1331 files changed, 118460 insertions, 103015 deletions

diff --git a/.gitignore b/.gitignore
index 8809435..c16f7cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,11 +13,8 @@
 *~
 .gdb_history
 Doc/build/
-Doc/tools/docutils/
-Doc/tools/jinja/
-Doc/tools/jinja2/
-Doc/tools/pygments/
-Doc/tools/sphinx/
+Doc/venv/
+Lib/distutils/command/*.pdb
 Lib/lib2to3/*.pickle
 Lib/test/data/*
 Lib/_sysconfigdata.py
@@ -31,18 +28,30 @@ Modules/Setup.config
 Modules/Setup.local
 Modules/config.c
 Modules/ld_so_aix
-Modules/_freeze_importlib
-Modules/_testembed
-PCbuild/*.bsc
-PCbuild/*.dll
-PCbuild/*.exe
-PCbuild/*.exp
-PCbuild/*.lib
-PCbuild/*.ncb
-PCbuild/*.o
-PCbuild/*.pdb
-PCbuild/Win32-temp-*
+Programs/_freeze_importlib
+Programs/_testembed
+PC/python_nt*.h
+PC/pythonnt_rc*.h
+PC/*/*.exe
+PC/*/*.exp
+PC/*/*.lib
+PC/*/*.bsc
+PC/*/*.dll
+PC/*/*.pdb
+PC/*/*.user
+PC/*/*.ncb
+PC/*/*.suo
+PC/*/Win32-temp-*
+PC/*/x64-temp-*
+PC/*/amd64
+PCbuild/*.user
+PCbuild/*.suo
+PCbuild/*.*sdf
+PCbuild/*-pgi
+PCbuild/*-pgo
 PCbuild/amd64/
+PCbuild/obj
+PCBuild/win32
 .purify
 Parser/pgen
 __pycache__
@@ -64,6 +73,7 @@ pybuilddir.txt
 pyconfig.h
 python-config
 python-config.py
+python.bat
 python.exe
 python-gdb.py
 python.exe-gdb.py
@@ -75,3 +85,6 @@ TAGS
 coverage/
 externals/
 htmlcov/
+Tools/msi/obj
+Tools/ssl/amd64
+Tools/ssl/win32
diff --git a/.hgignore b/.hgignore
index 9e5a583..7a52606 100644
--- a/.hgignore
+++ b/.hgignore
@@ -9,6 +9,7 @@ TAGS$
 autom4te.cache$
 ^build/
 ^Doc/build/
+^Doc/venv/
 buildno$
 config.cache
 config.log
@@ -18,6 +19,7 @@ db_home
 platform$
 pyconfig.h$
 python$
+python.bat$
 python.exe$
 python-config$
 python-config.py$
@@ -48,13 +50,12 @@ libpython*.so*
 *.pyd
 *.cover
 *~
+Lib/distutils/command/*.pdb
 Lib/lib2to3/*.pickle
 Lib/test/data/*
 Misc/*.wpu
 PC/python_nt*.h
 PC/pythonnt_rc*.h
-PC/*.obj
-PC/*.exe
 PC/*/*.exe
 PC/*/*.exp
 PC/*/*.lib
@@ -67,29 +68,20 @@ PC/*/*.suo
 PC/*/Win32-temp-*
 PC/*/x64-temp-*
 PC/*/amd64
-PCbuild/*.exe
-PCbuild/*.dll
-PCbuild/*.pdb
-PCbuild/*.lib
-PCbuild/*.exp
-PCbuild/*.o
-PCbuild/*.ncb
-PCbuild/*.bsc
 PCbuild/*.user
 PCbuild/*.suo
 PCbuild/*.*sdf
-PCbuild/Win32-temp-*
-PCbuild/x64-temp-*
 PCbuild/*-pgi
 PCbuild/*-pgo
 PCbuild/amd64
-PCbuild/ipch
+PCbuild/obj
+PCbuild/win32
 Tools/unicode/build/
 Tools/unicode/MAPPINGS/
 BuildLog.htm
 __pycache__
-Modules/_freeze_importlib
-Modules/_testembed
+Programs/_freeze_importlib
+Programs/_testembed
 .coverage
 coverage/
 externals/
@@ -98,3 +90,6 @@ htmlcov/
 *.gcno
 *.gcov
 coverage.info
+Tools/msi/obj
+Tools/ssl/amd64
+Tools/ssl/win32
diff --git a/.hgtags b/.hgtags
index d5eea24..21a2a38 100644
--- a/.hgtags
+++ b/.hgtags
@@ -144,3 +144,7 @@ c0e311e010fcb5bae8d87ca22051cd0845ea0ca0 v3.4.1
 ab2c023a9432f16652e89c404bbc84aa91bf55af v3.4.2
 69dd528ca6255a66c37cc5cf680e8357d108b036 v3.4.3rc1
 b4cbecbc0781e89a309d03b60a1f75f8499250e6 v3.4.3
+5d4b6a57d5fd7564bf73f3db0e46fe5eeb00bcd8 v3.5.0a1
+0337bd7ebcb6559d69679bc7025059ad1ce4f432 v3.5.0a2
+82656e28b5e5c4ae48d8dd8b5f0d7968908a82b6 v3.5.0a3
+413e0e0004f4f954331cb8122aa55fe208984955 v3.5.0a4
diff --git a/.hgtouch b/.hgtouch
index 7e3a5e7..b9be0f1 100644
--- a/.hgtouch
+++ b/.hgtouch
@@ -2,7 +2,9 @@
 # Define dependencies of generated files that are checked into hg.
 # The syntax of this file uses make rule dependencies, without actions
 
-Python/importlib.h: Lib/importlib/_bootstrap.py Modules/_freeze_importlib.c
+Python/importlib.h: Lib/importlib/_bootstrap.py Programs/_freeze_importlib.c
+
+Include/opcode.h:  Lib/opcode.py Tools/scripts/generate_opcode_h.py
 
 Include/Python-ast.h: Parser/Python.asdl Parser/asdl.py Parser/asdl_c.py
 Python/Python-ast.c: Include/Python-ast.h
diff --git a/Doc/Makefile b/Doc/Makefile
index ea30231..200a9f7 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -15,11 +15,12 @@ ALLSPHINXOPTS = -b $(BUILDER) -d build/doctrees -D latex_paper_size=$(PAPER) \
 
 .PHONY: help build html htmlhelp latex text changes linkcheck \
 	suspicious coverage doctest pydoc-topics htmlview clean dist check serve \
-	autobuild-dev autobuild-stable
+	autobuild-dev autobuild-stable venv
 
 help:
 	@echo "Please use \`make <target>' where <target> is one of"
 	@echo "  clean      to remove build files"
+	@echo "  venv       to create a venv with necessary tools"
 	@echo "  html       to make standalone HTML files"
 	@echo "  htmlview   to open the index page built by the html target in your browser"
 	@echo "  htmlhelp   to make HTML files and a HTML help project"
@@ -102,7 +103,11 @@ htmlview: html
 	 $(PYTHON) -c "import webbrowser; webbrowser.open('build/html/index.html')"
 
 clean:
-	-rm -rf build/*
+	-rm -rf build/* venv/*
+
+venv:
+	$(PYTHON) -m venv venv
+	./venv/bin/python3 -m pip install -U Sphinx
 
 dist:
 	rm -rf dist
@@ -172,4 +177,3 @@ autobuild-stable:
 		exit 1;; \
 	esac
 	@make autobuild-dev
-
diff --git a/Doc/README.txt b/Doc/README.txt
index 58bda62..580d102 100644
--- a/Doc/README.txt
+++ b/Doc/README.txt
@@ -3,7 +3,7 @@ Python Documentation README
 
 This directory contains the reStructuredText (reST) sources to the Python
 documentation.  You don't need to build them yourself, prebuilt versions are
-available at <https://docs.python.org/3.4/download.html>.
+available at <https://docs.python.org/dev/download.html>.
 
 Documentation on authoring Python documentation, including information about
 both style and markup, is available in the "Documenting Python" chapter of the
diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst
index 3c0f4b9..ed62dea 100644
--- a/Doc/c-api/arg.rst
+++ b/Doc/c-api/arg.rst
@@ -152,7 +152,7 @@ Unless otherwise stated, buffers are not NUL-terminated.
    any conversion.  Raises :exc:`TypeError` if the object is not a Unicode
    object.  The C variable may also be declared as :c:type:`PyObject\*`.
 
-``w*`` (:class:`bytearray` or read-write byte-oriented buffer) [Py_buffer]
+``w*`` (read-write :term:`bytes-like object`) [Py_buffer]
    This format accepts any object which implements the read-write buffer
    interface. It fills a :c:type:`Py_buffer` structure provided by the caller.
    The buffer may contain embedded null bytes. The caller have to call
diff --git a/Doc/c-api/codec.rst b/Doc/c-api/codec.rst
index 83252af..dfe3d43 100644
--- a/Doc/c-api/codec.rst
+++ b/Doc/c-api/codec.rst
@@ -116,3 +116,8 @@ Registry API for Unicode encoding error handlers
    Replace the unicode encode error with backslash escapes (``\x``, ``\u`` and
    ``\U``).
 
+.. c:function:: PyObject* PyCodec_NameReplaceErrors(PyObject *exc)
+
+   Replace the unicode encode error with ``\N{...}`` escapes.
+
+   .. versionadded:: 3.5
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 66b7752..814317b 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -9,13 +9,19 @@ Exception Handling
 
 The functions described in this chapter will let you handle and raise Python
 exceptions.  It is important to understand some of the basics of Python
-exception handling.  It works somewhat like the Unix :c:data:`errno` variable:
+exception handling.  It works somewhat like the POSIX :c:data:`errno` variable:
 there is a global indicator (per thread) of the last error that occurred.  Most
-functions don't clear this on success, but will set it to indicate the cause of
-the error on failure.  Most functions also return an error indicator, usually
-*NULL* if they are supposed to return a pointer, or ``-1`` if they return an
-integer (exception: the :c:func:`PyArg_\*` functions return ``1`` for success and
-``0`` for failure).
+C API functions don't clear this on success, but will set it to indicate the
+cause of the error on failure.  Most C API functions also return an error
+indicator, usually *NULL* if they are supposed to return a pointer, or ``-1``
+if they return an integer (exception: the :c:func:`PyArg_\*` functions
+return ``1`` for success and ``0`` for failure).
+
+Concretely, the error indicator consists of three object pointers: the
+exception's type, the exception's value, and the traceback object.  Any
+of those pointers can be NULL if non-set (although some combinations are
+forbidden, for example you can't have a non-NULL traceback if the exception
+type is NULL).
 
 When a function must fail because some function it called failed, it generally
 doesn't set the error indicator; the function it called already set it.  It is
@@ -27,12 +33,21 @@ the caller that an error has been set.  If the error is not handled or carefully
 propagated, additional calls into the Python/C API may not behave as intended
 and may fail in mysterious ways.
 
-The error indicator consists of three Python objects corresponding to the result
-of ``sys.exc_info()``.  API functions exist to interact with the error indicator
-in various ways.  There is a separate error indicator for each thread.
+.. note::
+   The error indicator is **not** the result of :func:`sys.exc_info()`.
+   The former corresponds to an exception that is not yet caught (and is
+   therefore still propagating), while the latter returns an exception after
+   it is caught (and has therefore stopped propagating).
 
-.. XXX Order of these should be more thoughtful.
-   Either alphabetical or some kind of structure.
+
+Printing and clearing
+=====================
+
+
+.. c:function:: void PyErr_Clear()
+
+   Clear the error indicator.  If the error indicator is not set, there is no
+   effect.
 
 
 .. c:function:: void PyErr_PrintEx(int set_sys_last_vars)
@@ -51,127 +66,24 @@ in various ways.  There is a separate error indicator for each thread.
    Alias for ``PyErr_PrintEx(1)``.
 
 
-.. c:function:: PyObject* PyErr_Occurred()
-
-   Test whether the error indicator is set.  If set, return the exception *type*
-   (the first argument to the last call to one of the :c:func:`PyErr_Set\*`
-   functions or to :c:func:`PyErr_Restore`).  If not set, return *NULL*.  You do not
-   own a reference to the return value, so you do not need to :c:func:`Py_DECREF`
-   it.
-
-   .. note::
-
-      Do not compare the return value to a specific exception; use
-      :c:func:`PyErr_ExceptionMatches` instead, shown below.  (The comparison could
-      easily fail since the exception may be an instance instead of a class, in the
-      case of a class exception, or it may be a subclass of the expected exception.)
-
-
-.. c:function:: int PyErr_ExceptionMatches(PyObject *exc)
-
-   Equivalent to ``PyErr_GivenExceptionMatches(PyErr_Occurred(), exc)``.  This
-   should only be called when an exception is actually set; a memory access
-   violation will occur if no exception has been raised.
-
-
-.. c:function:: int PyErr_GivenExceptionMatches(PyObject *given, PyObject *exc)
-
-   Return true if the *given* exception matches the exception in *exc*.  If
-   *exc* is a class object, this also returns true when *given* is an instance
-   of a subclass.  If *exc* is a tuple, all exceptions in the tuple (and
-   recursively in subtuples) are searched for a match.
-
-
-.. c:function:: void PyErr_NormalizeException(PyObject**exc, PyObject**val, PyObject**tb)
-
-   Under certain circumstances, the values returned by :c:func:`PyErr_Fetch` below
-   can be "unnormalized", meaning that ``*exc`` is a class object but ``*val`` is
-   not an instance of the  same class.  This function can be used to instantiate
-   the class in that case.  If the values are already normalized, nothing happens.
-   The delayed normalization is implemented to improve performance.
-
-   .. note::
-
-      This function *does not* implicitly set the ``__traceback__``
-      attribute on the exception value. If setting the traceback
-      appropriately is desired, the following additional snippet is needed::
-
-         if (tb != NULL) {
-           PyException_SetTraceback(val, tb);
-         }
-
-
-.. c:function:: void PyErr_Clear()
-
-   Clear the error indicator.  If the error indicator is not set, there is no
-   effect.
-
-
-.. c:function:: void PyErr_Fetch(PyObject **ptype, PyObject **pvalue, PyObject **ptraceback)
-
-   Retrieve the error indicator into three variables whose addresses are passed.
-   If the error indicator is not set, set all three variables to *NULL*.  If it is
-   set, it will be cleared and you own a reference to each object retrieved.  The
-   value and traceback object may be *NULL* even when the type object is not.
-
-   .. note::
-
-      This function is normally only used by code that needs to handle exceptions or
-      by code that needs to save and restore the error indicator temporarily.
-
-
-.. c:function:: void PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
-
-   Set  the error indicator from the three objects.  If the error indicator is
-   already set, it is cleared first.  If the objects are *NULL*, the error
-   indicator is cleared.  Do not pass a *NULL* type and non-*NULL* value or
-   traceback.  The exception type should be a class.  Do not pass an invalid
-   exception type or value. (Violating these rules will cause subtle problems
-   later.)  This call takes away a reference to each object: you must own a
-   reference to each object before the call and after the call you no longer own
-   these references.  (If you don't understand this, don't use this function.  I
-   warned you.)
-
-   .. note::
-
-      This function is normally only used by code that needs to save and restore the
-      error indicator temporarily; use :c:func:`PyErr_Fetch` to save the current
-      exception state.
-
-
-.. c:function:: void PyErr_GetExcInfo(PyObject **ptype, PyObject **pvalue, PyObject **ptraceback)
-
-   Retrieve the exception info, as known from ``sys.exc_info()``.  This refers
-   to an exception that was already caught, not to an exception that was
-   freshly raised.  Returns new references for the three objects, any of which
-   may be *NULL*.  Does not modify the exception info state.
-
-   .. note::
-
-      This function is not normally used by code that wants to handle exceptions.
-      Rather, it can be used when code needs to save and restore the exception
-      state temporarily.  Use :c:func:`PyErr_SetExcInfo` to restore or clear the
-      exception state.
-
-   .. versionadded:: 3.3
-
+.. c:function:: void PyErr_WriteUnraisable(PyObject *obj)
 
-.. c:function:: void PyErr_SetExcInfo(PyObject *type, PyObject *value, PyObject *traceback)
+   This utility function prints a warning message to ``sys.stderr`` when an
+   exception has been set but it is impossible for the interpreter to actually
+   raise the exception.  It is used, for example, when an exception occurs in an
+   :meth:`__del__` method.
 
-   Set the exception info, as known from ``sys.exc_info()``.  This refers
-   to an exception that was already caught, not to an exception that was
-   freshly raised.  This function steals the references of the arguments.
-   To clear the exception state, pass *NULL* for all three arguments.
-   For general rules about the three arguments, see :c:func:`PyErr_Restore`.
+   The function is called with a single argument *obj* that identifies the context
+   in which the unraisable exception occurred. The repr of *obj* will be printed in
+   the warning message.
 
-   .. note::
 
-      This function is not normally used by code that wants to handle exceptions.
-      Rather, it can be used when code needs to save and restore the exception
-      state temporarily.  Use :c:func:`PyErr_GetExcInfo` to read the exception
-      state.
+Raising exceptions
+==================
 
-   .. versionadded:: 3.3
+These functions help you set the current thread's error indicator.
+For convenience, some of these functions will always return a
+NULL pointer for use in a ``return`` statement.
 
 
 .. c:function:: void PyErr_SetString(PyObject *type, const char *message)
@@ -197,6 +109,14 @@ in various ways.  There is a separate error indicator for each thread.
    string.
 
 
+.. c:function:: PyObject* PyErr_FormatV(PyObject *exception, const char *format, va_list vargs)
+
+   Same as :c:func:`PyErr_Format`, but taking a :c:type:`va_list` argument rather
+   than a variable number of arguments.
+
+   .. versionadded:: 3.5
+
+
 .. c:function:: void PyErr_SetNone(PyObject *type)
 
    This is a shorthand for ``PyErr_SetObject(type, Py_None)``.
@@ -346,6 +266,22 @@ in various ways.  There is a separate error indicator for each thread.
    use.
 
 
+Issuing warnings
+================
+
+Use these functions to issue warnings from C code.  They mirror similar
+functions exported by the Python :mod:`warnings` module.  They normally
+print a warning message to *sys.stderr*; however, it is
+also possible that the user has specified that warnings are to be turned into
+errors, and in that case they will raise an exception.  It is also possible that
+the functions raise an exception because of a problem with the warning machinery.
+The return value is ``0`` if no exception is raised, or ``-1`` if an exception
+is raised.  (It is not possible to determine whether a warning message is
+actually printed, nor what the reason is for the exception; this is
+intentional.)  If an exception is raised, the caller should do its normal
+exception handling (for example, :c:func:`Py_DECREF` owned references and return
+an error value).
+
 .. c:function:: int PyErr_WarnEx(PyObject *category, const char *message, Py_ssize_t stack_level)
 
    Issue a warning message.  The *category* argument is a warning category (see
@@ -355,18 +291,6 @@ in various ways.  There is a separate error indicator for each thread.
    is the function calling :c:func:`PyErr_WarnEx`, 2 is  the function above that,
    and so forth.
 
-   This function normally prints a warning message to *sys.stderr*; however, it is
-   also possible that the user has specified that warnings are to be turned into
-   errors, and in that case this will raise an exception.  It is also possible that
-   the function raises an exception because of a problem with the warning machinery
-   (the implementation imports the :mod:`warnings` module to do the heavy lifting).
-   The return value is ``0`` if no exception is raised, or ``-1`` if an exception
-   is raised.  (It is not possible to determine whether a warning message is
-   actually printed, nor what the reason is for the exception; this is
-   intentional.)  If an exception is raised, the caller should do its normal
-   exception handling (for example, :c:func:`Py_DECREF` owned references and return
-   an error value).
-
    Warning categories must be subclasses of :c:data:`Warning`; the default warning
    category is :c:data:`RuntimeWarning`.  The standard Python warning categories are
    available as global variables whose names are ``PyExc_`` followed by the Python
@@ -410,6 +334,139 @@ in various ways.  There is a separate error indicator for each thread.
    .. versionadded:: 3.2
 
 
+Querying the error indicator
+============================
+
+.. c:function:: PyObject* PyErr_Occurred()
+
+   Test whether the error indicator is set.  If set, return the exception *type*
+   (the first argument to the last call to one of the :c:func:`PyErr_Set\*`
+   functions or to :c:func:`PyErr_Restore`).  If not set, return *NULL*.  You do not
+   own a reference to the return value, so you do not need to :c:func:`Py_DECREF`
+   it.
+
+   .. note::
+
+      Do not compare the return value to a specific exception; use
+      :c:func:`PyErr_ExceptionMatches` instead, shown below.  (The comparison could
+      easily fail since the exception may be an instance instead of a class, in the
+      case of a class exception, or it may be a subclass of the expected exception.)
+
+
+.. c:function:: int PyErr_ExceptionMatches(PyObject *exc)
+
+   Equivalent to ``PyErr_GivenExceptionMatches(PyErr_Occurred(), exc)``.  This
+   should only be called when an exception is actually set; a memory access
+   violation will occur if no exception has been raised.
+
+
+.. c:function:: int PyErr_GivenExceptionMatches(PyObject *given, PyObject *exc)
+
+   Return true if the *given* exception matches the exception type in *exc*.  If
+   *exc* is a class object, this also returns true when *given* is an instance
+   of a subclass.  If *exc* is a tuple, all exception types in the tuple (and
+   recursively in subtuples) are searched for a match.
+
+
+.. c:function:: void PyErr_Fetch(PyObject **ptype, PyObject **pvalue, PyObject **ptraceback)
+
+   Retrieve the error indicator into three variables whose addresses are passed.
+   If the error indicator is not set, set all three variables to *NULL*.  If it is
+   set, it will be cleared and you own a reference to each object retrieved.  The
+   value and traceback object may be *NULL* even when the type object is not.
+
+   .. note::
+
+      This function is normally only used by code that needs to catch exceptions or
+      by code that needs to save and restore the error indicator temporarily, e.g.::
+
+         {
+            PyObject **type, **value, **traceback;
+            PyErr_Fetch(&type, &value, &traceback);
+
+            /* ... code that might produce other errors ... */
+
+            PyErr_Restore(type, value, traceback);
+         }
+
+
+.. c:function:: void PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
+
+   Set  the error indicator from the three objects.  If the error indicator is
+   already set, it is cleared first.  If the objects are *NULL*, the error
+   indicator is cleared.  Do not pass a *NULL* type and non-*NULL* value or
+   traceback.  The exception type should be a class.  Do not pass an invalid
+   exception type or value. (Violating these rules will cause subtle problems
+   later.)  This call takes away a reference to each object: you must own a
+   reference to each object before the call and after the call you no longer own
+   these references.  (If you don't understand this, don't use this function.  I
+   warned you.)
+
+   .. note::
+
+      This function is normally only used by code that needs to save and restore the
+      error indicator temporarily.  Use :c:func:`PyErr_Fetch` to save the current
+      error indicator.
+
+
+.. c:function:: void PyErr_NormalizeException(PyObject**exc, PyObject**val, PyObject**tb)
+
+   Under certain circumstances, the values returned by :c:func:`PyErr_Fetch` below
+   can be "unnormalized", meaning that ``*exc`` is a class object but ``*val`` is
+   not an instance of the  same class.  This function can be used to instantiate
+   the class in that case.  If the values are already normalized, nothing happens.
+   The delayed normalization is implemented to improve performance.
+
+   .. note::
+
+      This function *does not* implicitly set the ``__traceback__``
+      attribute on the exception value. If setting the traceback
+      appropriately is desired, the following additional snippet is needed::
+
+         if (tb != NULL) {
+           PyException_SetTraceback(val, tb);
+         }
+
+
+.. c:function:: void PyErr_GetExcInfo(PyObject **ptype, PyObject **pvalue, PyObject **ptraceback)
+
+   Retrieve the exception info, as known from ``sys.exc_info()``.  This refers
+   to an exception that was *already caught*, not to an exception that was
+   freshly raised.  Returns new references for the three objects, any of which
+   may be *NULL*.  Does not modify the exception info state.
+
+   .. note::
+
+      This function is not normally used by code that wants to handle exceptions.
+      Rather, it can be used when code needs to save and restore the exception
+      state temporarily.  Use :c:func:`PyErr_SetExcInfo` to restore or clear the
+      exception state.
+
+   .. versionadded:: 3.3
+
+
+.. c:function:: void PyErr_SetExcInfo(PyObject *type, PyObject *value, PyObject *traceback)
+
+   Set the exception info, as known from ``sys.exc_info()``.  This refers
+   to an exception that was *already caught*, not to an exception that was
+   freshly raised.  This function steals the references of the arguments.
+   To clear the exception state, pass *NULL* for all three arguments.
+   For general rules about the three arguments, see :c:func:`PyErr_Restore`.
+
+   .. note::
+
+      This function is not normally used by code that wants to handle exceptions.
+      Rather, it can be used when code needs to save and restore the exception
+      state temporarily.  Use :c:func:`PyErr_GetExcInfo` to read the exception
+      state.
+
+   .. versionadded:: 3.3
+
+
+Signal Handling
+===============
+
+
 .. c:function:: int PyErr_CheckSignals()
 
    .. index::
@@ -443,13 +500,21 @@ in various ways.  There is a separate error indicator for each thread.
 
 .. c:function:: int PySignal_SetWakeupFd(int fd)
 
-   This utility function specifies a file descriptor to which a ``'\0'`` byte will
-   be written whenever a signal is received.  It returns the previous such file
-   descriptor.  The value ``-1`` disables the feature; this is the initial state.
+   This utility function specifies a file descriptor to which the signal number
+   is written as a single byte whenever a signal is received. *fd* must be
+   non-blocking. It returns the previous such file descriptor.
+
+   The value ``-1`` disables the feature; this is the initial state.
    This is equivalent to :func:`signal.set_wakeup_fd` in Python, but without any
    error checking.  *fd* should be a valid file descriptor.  The function should
    only be called from the main thread.
 
+   .. versionchanged:: 3.5
+      On Windows, the function now also supports socket handles.
+
+
+Exception Classes
+=================
 
 .. c:function:: PyObject* PyErr_NewException(char *name, PyObject *base, PyObject *dict)
 
@@ -475,18 +540,6 @@ in various ways.  There is a separate error indicator for each thread.
    .. versionadded:: 3.2
 
 
-.. c:function:: void PyErr_WriteUnraisable(PyObject *obj)
-
-   This utility function prints a warning message to ``sys.stderr`` when an
-   exception has been set but it is impossible for the interpreter to actually
-   raise the exception.  It is used, for example, when an exception occurs in an
-   :meth:`__del__` method.
-
-   The function is called with a single argument *obj* that identifies the context
-   in which the unraisable exception occurred. The repr of *obj* will be printed in
-   the warning message.
-
-
 Exception Objects
 =================
 
diff --git a/Doc/c-api/import.rst b/Doc/c-api/import.rst
index 3641fc6..01e0deb 100644
--- a/Doc/c-api/import.rst
+++ b/Doc/c-api/import.rst
@@ -183,9 +183,9 @@ Importing Modules
 
 .. c:function:: long PyImport_GetMagicNumber()
 
-   Return the magic number for Python bytecode files (a.k.a. :file:`.pyc` and
-   :file:`.pyo` files).  The magic number should be present in the first four bytes
-   of the bytecode file, in little-endian byte order. Returns -1 on error.
+   Return the magic number for Python bytecode files (a.k.a. :file:`.pyc` file).
+   The magic number should be present in the first four bytes of the bytecode
+   file, in little-endian byte order. Returns -1 on error.
 
    .. versionchanged:: 3.3
       Return value of -1 upon failure.
diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index 4d358ca..fac9b47 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -134,6 +134,9 @@ Process-wide parameters
    change for the duration of the program's execution.  No code in the Python
    interpreter will change the contents of this storage.
 
+   Use :c:func:`Py_DecodeLocale` to decode a bytes string to get a
+   :c:type:`wchar_*` string.
+
 
 .. c:function:: wchar* Py_GetProgramName()
 
@@ -245,6 +248,9 @@ Process-wide parameters
    :data:`sys.exec_prefix` to be empty.  It is up to the caller to modify these
    if required after calling :c:func:`Py_Initialize`.
 
+   Use :c:func:`Py_DecodeLocale` to decode a bytes string to get a
+   :c:type:`wchar_*` string.
+
    The path argument is copied internally, so the caller may free it after the
    call completes.
 
@@ -344,6 +350,9 @@ Process-wide parameters
      :data:`sys.path`, which is the same as prepending the current working
      directory (``"."``).
 
+   Use :c:func:`Py_DecodeLocale` to decode a bytes string to get a
+   :c:type:`wchar_*` string.
+
    .. note::
       It is recommended that applications embedding the Python interpreter
       for purposes other than executing a single script pass 0 as *updatepath*,
@@ -368,6 +377,9 @@ Process-wide parameters
    to 1 unless the :program:`python` interpreter was started with the
    :option:`-I`.
 
+   Use :c:func:`Py_DecodeLocale` to decode a bytes string to get a
+   :c:type:`wchar_*` string.
+
    .. versionchanged:: 3.4 The *updatepath* value depends on :option:`-I`.
 
 
@@ -382,6 +394,9 @@ Process-wide parameters
    execution.  No code in the Python interpreter will change the contents of
    this storage.
 
+   Use :c:func:`Py_DecodeLocale` to decode a bytes string to get a
+   :c:type:`wchar_*` string.
+
 
 .. c:function:: w_char* Py_GetPythonHome()
 
diff --git a/Doc/c-api/memory.rst b/Doc/c-api/memory.rst
index 7908622..7339006 100644
--- a/Doc/c-api/memory.rst
+++ b/Doc/c-api/memory.rst
@@ -92,8 +92,8 @@ functions are thread-safe, the :term:`GIL <global interpreter lock>` does not
 need to be held.
 
 The default raw memory block allocator uses the following functions:
-:c:func:`malloc`, :c:func:`realloc` and :c:func:`free`; call ``malloc(1)`` when
-requesting zero bytes.
+:c:func:`malloc`, :c:func:`calloc`, :c:func:`realloc` and :c:func:`free`; call
+``malloc(1)`` (or ``calloc(1, 1)``) when requesting zero bytes.
 
 .. versionadded:: 3.4
 
@@ -106,6 +106,17 @@ requesting zero bytes.
    been initialized in any way.
 
 
+.. c:function:: void* PyMem_RawCalloc(size_t nelem, size_t elsize)
+
+   Allocates *nelem* elements each whose size in bytes is *elsize* and returns
+   a pointer of type :c:type:`void\*` to the allocated memory, or *NULL* if the
+   request fails. The memory is initialized to zeros. Requesting zero elements
+   or elements of size zero bytes returns a distinct non-*NULL* pointer if
+   possible, as if ``PyMem_RawCalloc(1, 1)`` had been called instead.
+
+   .. versionadded:: 3.5
+
+
 .. c:function:: void* PyMem_RawRealloc(void *p, size_t n)
 
    Resizes the memory block pointed to by *p* to *n* bytes. The contents will
@@ -136,8 +147,8 @@ behavior when requesting zero bytes, are available for allocating and releasing
 memory from the Python heap.
 
 The default memory block allocator uses the following functions:
-:c:func:`malloc`, :c:func:`realloc` and :c:func:`free`; call ``malloc(1)`` when
-requesting zero bytes.
+:c:func:`malloc`, :c:func:`calloc`, :c:func:`realloc` and :c:func:`free`; call
+``malloc(1)`` (or ``calloc(1, 1)``) when requesting zero bytes.
 
 .. warning::
 
@@ -152,6 +163,17 @@ requesting zero bytes.
    been called instead. The memory will not have been initialized in any way.
 
 
+.. c:function:: void* PyMem_Calloc(size_t nelem, size_t elsize)
+
+   Allocates *nelem* elements each whose size in bytes is *elsize* and returns
+   a pointer of type :c:type:`void\*` to the allocated memory, or *NULL* if the
+   request fails. The memory is initialized to zeros. Requesting zero elements
+   or elements of size zero bytes returns a distinct non-*NULL* pointer if
+   possible, as if ``PyMem_Calloc(1, 1)`` had been called instead.
+
+   .. versionadded:: 3.5
+
+
 .. c:function:: void* PyMem_Realloc(void *p, size_t n)
 
    Resizes the memory block pointed to by *p* to *n* bytes. The contents will be
@@ -210,7 +232,7 @@ Customize Memory Allocators
 
 .. versionadded:: 3.4
 
-.. c:type:: PyMemAllocator
+.. c:type:: PyMemAllocatorEx
 
    Structure used to describe a memory block allocator. The structure has
    four fields:
@@ -222,11 +244,19 @@ Customize Memory Allocators
    +----------------------------------------------------------+---------------------------------------+
    | ``void* malloc(void *ctx, size_t size)``                 | allocate a memory block               |
    +----------------------------------------------------------+---------------------------------------+
+   | ``void* calloc(void *ctx, size_t nelem, size_t elsize)`` | allocate a memory block initialized   |
+   |                                                          | with zeros                            |
+   +----------------------------------------------------------+---------------------------------------+
    | ``void* realloc(void *ctx, void *ptr, size_t new_size)`` | allocate or resize a memory block     |
    +----------------------------------------------------------+---------------------------------------+
    | ``void free(void *ctx, void *ptr)``                      | free a memory block                   |
    +----------------------------------------------------------+---------------------------------------+
 
+   .. versionchanged:: 3.5
+      The :c:type:`PyMemAllocator` structure was renamed to
+      :c:type:`PyMemAllocatorEx` and a new ``calloc`` field was added.
+
+
 .. c:type:: PyMemAllocatorDomain
 
    Enum used to identify an allocator domain. Domains:
@@ -239,12 +269,12 @@ Customize Memory Allocators
      :c:func:`PyObject_Realloc` and :c:func:`PyObject_Free`
 
 
-.. c:function:: void PyMem_GetAllocator(PyMemAllocatorDomain domain, PyMemAllocator *allocator)
+.. c:function:: void PyMem_GetAllocator(PyMemAllocatorDomain domain, PyMemAllocatorEx *allocator)
 
    Get the memory block allocator of the specified domain.
 
 
-.. c:function:: void PyMem_SetAllocator(PyMemAllocatorDomain domain, PyMemAllocator *allocator)
+.. c:function:: void PyMem_SetAllocator(PyMemAllocatorDomain domain, PyMemAllocatorEx *allocator)
 
    Set the memory block allocator of the specified domain.
 
diff --git a/Doc/c-api/number.rst b/Doc/c-api/number.rst
index 21951c3..9bcb649 100644
--- a/Doc/c-api/number.rst
+++ b/Doc/c-api/number.rst
@@ -30,6 +30,14 @@ Number Protocol
    the equivalent of the Python expression ``o1 * o2``.
 
 
+.. c:function:: PyObject* PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2)
+
+   Returns the result of matrix multiplication on *o1* and *o2*, or *NULL* on
+   failure.  This is the equivalent of the Python expression ``o1 @ o2``.
+
+   .. versionadded:: 3.5
+
+
 .. c:function:: PyObject* PyNumber_FloorDivide(PyObject *o1, PyObject *o2)
 
    Return the floor of *o1* divided by *o2*, or *NULL* on failure.  This is
@@ -146,6 +154,15 @@ Number Protocol
    the Python statement ``o1 *= o2``.
 
 
+.. c:function:: PyObject* PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2)
+
+   Returns the result of matrix multiplication on *o1* and *o2*, or *NULL* on
+   failure.  The operation is done *in-place* when *o1* supports it.  This is
+   the equivalent of the Python statement ``o1 @= o2``.
+
+   .. versionadded:: 3.5
+
+
 .. c:function:: PyObject* PyNumber_InPlaceFloorDivide(PyObject *o1, PyObject *o2)
 
    Returns the mathematical floor of dividing *o1* by *o2*, or *NULL* on failure.
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst
index 7f1cc69..b925a61 100644
--- a/Doc/c-api/structures.rst
+++ b/Doc/c-api/structures.rst
@@ -44,7 +44,7 @@ the definition of all other Python objects.
 
       PyObject ob_base;
 
-   See documentation of :c:type::`PyObject` above.
+   See documentation of :c:type:`PyObject` above.
 
 
 .. c:macro:: PyObject_VAR_HEAD
diff --git a/Doc/c-api/sys.rst b/Doc/c-api/sys.rst
index 9760dca..a6a939c 100644
--- a/Doc/c-api/sys.rst
+++ b/Doc/c-api/sys.rst
@@ -47,6 +47,60 @@ Operating System Utilities
    not call those functions directly!  :c:type:`PyOS_sighandler_t` is a typedef
    alias for :c:type:`void (\*)(int)`.
 
+.. c:function:: wchar_t* Py_DecodeLocale(const char* arg, size_t *size)
+
+   Decode a byte string from the locale encoding with the :ref:`surrogateescape
+   error handler <surrogateescape>`: undecodable bytes are decoded as
+   characters in range U+DC80..U+DCFF. If a byte sequence can be decoded as a
+   surrogate character, escape the bytes using the surrogateescape error
+   handler instead of decoding them.
+
+   Return a pointer to a newly allocated wide character string, use
+   :c:func:`PyMem_RawFree` to free the memory. If size is not ``NULL``, write
+   the number of wide characters excluding the null character into ``*size``
+
+   Return ``NULL`` on decoding error or memory allocation error. If *size* is
+   not ``NULL``, ``*size`` is set to ``(size_t)-1`` on memory error or set to
+   ``(size_t)-2`` on decoding error.
+
+   Decoding errors should never happen, unless there is a bug in the C
+   library.
+
+   Use the :c:func:`Py_EncodeLocale` function to encode the character string
+   back to a byte string.
+
+   .. seealso::
+
+      The :c:func:`PyUnicode_DecodeFSDefaultAndSize` and
+      :c:func:`PyUnicode_DecodeLocaleAndSize` functions.
+
+   .. versionadded:: 3.5
+
+
+.. c:function:: char* Py_EncodeLocale(const wchar_t *text, size_t *error_pos)
+
+   Encode a wide character string to the locale encoding with the
+   :ref:`surrogateescape error handler <surrogateescape>`: surrogate characters
+   in the range U+DC80..U+DCFF are converted to bytes 0x80..0xFF.
+
+   Return a pointer to a newly allocated byte string, use :c:func:`PyMem_Free`
+   to free the memory. Return ``NULL`` on encoding error or memory allocation
+   error
+
+   If error_pos is not ``NULL``, ``*error_pos`` is set to the index of the
+   invalid character on encoding error, or set to ``(size_t)-1`` otherwise.
+
+   Use the :c:func:`Py_DecodeLocale` function to decode the bytes string back
+   to a wide character string.
+
+   .. seealso::
+
+      The :c:func:`PyUnicode_EncodeFSDefault` and
+      :c:func:`PyUnicode_EncodeLocale` functions.
+
+   .. versionadded:: 3.5
+
+
 .. _systemfunctions:
 
 System Functions
diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst
index b43622a..eb63705 100644
--- a/Doc/c-api/typeobj.rst
+++ b/Doc/c-api/typeobj.rst
@@ -1118,6 +1118,9 @@ Number Object Structures
             binaryfunc nb_inplace_true_divide;
 
             unaryfunc nb_index;
+
+            binaryfunc nb_matrix_multiply;
+            binaryfunc nb_inplace_matrix_multiply;
        } PyNumberMethods;
 
    .. note::
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 03c284a..00063d0 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -759,11 +759,13 @@ system.
    *errors* is ``NULL``.  *str* must end with a null character but
    cannot contain embedded null characters.
 
+   Use :c:func:`PyUnicode_DecodeFSDefaultAndSize` to decode a string from
+   :c:data:`Py_FileSystemDefaultEncoding` (the locale encoding read at
+   Python startup).
+
    .. seealso::
 
-      Use :c:func:`PyUnicode_DecodeFSDefaultAndSize` to decode a string from
-      :c:data:`Py_FileSystemDefaultEncoding` (the locale encoding read at
-      Python startup).
+      The :c:func:`Py_DecodeLocale` function.
 
    .. versionadded:: 3.3
 
@@ -784,11 +786,13 @@ system.
    *errors* is ``NULL``. Return a :class:`bytes` object. *str* cannot
    contain embedded null characters.
 
+   Use :c:func:`PyUnicode_EncodeFSDefault` to encode a string to
+   :c:data:`Py_FileSystemDefaultEncoding` (the locale encoding read at
+   Python startup).
+
    .. seealso::
 
-      Use :c:func:`PyUnicode_EncodeFSDefault` to encode a string to
-      :c:data:`Py_FileSystemDefaultEncoding` (the locale encoding read at
-      Python startup).
+      The :c:func:`Py_EncodeLocale` function.
 
    .. versionadded:: 3.3
 
@@ -833,12 +837,14 @@ used, passing :c:func:`PyUnicode_FSDecoder` as the conversion function:
    If :c:data:`Py_FileSystemDefaultEncoding` is not set, fall back to the
    locale encoding.
 
+   :c:data:`Py_FileSystemDefaultEncoding` is initialized at startup from the
+   locale encoding and cannot be modified later. If you need to decode a string
+   from the current locale encoding, use
+   :c:func:`PyUnicode_DecodeLocaleAndSize`.
+
    .. seealso::
 
-      :c:data:`Py_FileSystemDefaultEncoding` is initialized at startup from the
-      locale encoding and cannot be modified later. If you need to decode a
-      string from the current locale encoding, use
-      :c:func:`PyUnicode_DecodeLocaleAndSize`.
+      The :c:func:`Py_DecodeLocale` function.
 
    .. versionchanged:: 3.2
       Use ``"strict"`` error handler on Windows.
@@ -868,12 +874,13 @@ used, passing :c:func:`PyUnicode_FSDecoder` as the conversion function:
    If :c:data:`Py_FileSystemDefaultEncoding` is not set, fall back to the
    locale encoding.
 
+   :c:data:`Py_FileSystemDefaultEncoding` is initialized at startup from the
+   locale encoding and cannot be modified later. If you need to encode a string
+   to the current locale encoding, use :c:func:`PyUnicode_EncodeLocale`.
+
    .. seealso::
 
-      :c:data:`Py_FileSystemDefaultEncoding` is initialized at startup from the
-      locale encoding and cannot be modified later. If you need to encode a
-      string to the current locale encoding, use
-      :c:func:`PyUnicode_EncodeLocale`.
+      The :c:func:`Py_EncodeLocale` function.
 
    .. versionadded:: 3.2
 
diff --git a/Doc/conf.py b/Doc/conf.py
index f803de2..28dd80f 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -36,6 +36,9 @@ highlight_language = 'python3'
 # Require Sphinx 1.2 for build.
 needs_sphinx = '1.2'
 
+# Ignore any .rst files in the venv/ directory.
+exclude_patterns = ['venv/*']
+
 
 # Options for HTML output
 # -----------------------
diff --git a/Doc/data/refcounts.dat b/Doc/data/refcounts.dat
index 6025617..d1c24e5 100644
--- a/Doc/data/refcounts.dat
+++ b/Doc/data/refcounts.dat
@@ -349,6 +349,11 @@ PyErr_Format:PyObject*:exception:+1:
 PyErr_Format:const char*:format::
 PyErr_Format::...::
 
+PyErr_FormatV:PyObject*::null:
+PyErr_FormatV:PyObject*:exception:+1:
+PyErr_FormatV:const char*:format::
+PyErr_FormatV:va_list:vargs::
+
 PyErr_WarnEx:int:::
 PyErr_WarnEx:PyObject*:category:0:
 PyErr_WarnEx:const char*:message::
diff --git a/Doc/distutils/apiref.rst b/Doc/distutils/apiref.rst
index 82bed24..087c671 100644
--- a/Doc/distutils/apiref.rst
+++ b/Doc/distutils/apiref.rst
@@ -1099,13 +1099,13 @@ other utility module.
    during the build of Python), not the OS version of the current system.
 
    For universal binary builds on Mac OS X the architecture value reflects
-   the univeral binary status instead of the architecture of the current
+   the universal binary status instead of the architecture of the current
    processor. For 32-bit universal binaries the architecture is ``fat``,
    for 64-bit universal binaries the architecture is ``fat64``, and
    for 4-way universal binaries the architecture is ``universal``. Starting
    from Python 2.7 and Python 3.2 the architecture ``fat3`` is used for
    a 3-way universal build (ppc, i386, x86_64) and ``intel`` is used for
-   a univeral build with the i386 and x86_64 architectures
+   a universal build with the i386 and x86_64 architectures
 
    Examples of returned values on Mac OS X:
 
@@ -1193,12 +1193,12 @@ other utility module.
 
 .. function:: byte_compile(py_files[, optimize=0, force=0, prefix=None, base_dir=None, verbose=1, dry_run=0, direct=None])
 
-   Byte-compile a collection of Python source files to either :file:`.pyc` or
-   :file:`.pyo` files in a :file:`__pycache__` subdirectory (see :pep:`3147`).
+   Byte-compile a collection of Python source files to :file:`.pyc` files in a
+   :file:`__pycache__` subdirectory (see :pep:`3147` and :pep:`488`).
    *py_files* is a list of files to compile; any files that don't end in
    :file:`.py` are silently skipped.  *optimize* must be one of the following:
 
-   * ``0`` - don't optimize (generate :file:`.pyc`)
+   * ``0`` - don't optimize
    * ``1`` - normal optimization (like ``python -O``)
    * ``2`` - extra optimization (like ``python -OO``)
 
@@ -1222,10 +1222,13 @@ other utility module.
    doing, leave it set to ``None``.
 
    .. versionchanged:: 3.2.3
-      Create ``.pyc`` or ``.pyo`` files with an :func:`import magic tag
+      Create ``.pyc`` files with an :func:`import magic tag
       <imp.get_tag>` in their name, in a :file:`__pycache__` subdirectory
       instead of files without tag in the current directory.
 
+   .. versionchanged: 3.5
+      Create ``.pyc`` files according to :pep:`488`.
+
 
 .. function:: rfc822_escape(header)
 
diff --git a/Doc/distutils/builtdist.rst b/Doc/distutils/builtdist.rst
index ac96c40..c5827b6 100644
--- a/Doc/distutils/builtdist.rst
+++ b/Doc/distutils/builtdist.rst
@@ -355,7 +355,7 @@ support this option, so the command::
 would create a 64bit installation executable on your 32bit version of Windows.
 
 To cross-compile, you must download the Python source code and cross-compile
-Python itself for the platform you are targetting - it is not possible from a
+Python itself for the platform you are targeting - it is not possible from a
 binary installation of Python (as the .lib etc file for other platforms are
 not included.)  In practice, this means the user of a 32 bit operating
 system will need to use Visual Studio 2008 to open the
diff --git a/Doc/distutils/introduction.rst b/Doc/distutils/introduction.rst
index 0ece646..8f46bd7 100644
--- a/Doc/distutils/introduction.rst
+++ b/Doc/distutils/introduction.rst
@@ -156,8 +156,8 @@ module
 
 pure Python module
    a module written in Python and contained in a single :file:`.py` file (and
-   possibly associated :file:`.pyc` and/or :file:`.pyo` files).  Sometimes referred
-   to as a "pure module."
+   possibly associated :file:`.pyc` files).  Sometimes referred to as a
+   "pure module."
 
 extension module
    a module written in the low-level language of the Python implementation: C/C++
@@ -210,5 +210,3 @@ distribution root
    the top-level directory of your source tree (or  source distribution); the
    directory where :file:`setup.py` exists.  Generally  :file:`setup.py` will be
    run from this directory.
-
-
diff --git a/Doc/extending/embedding.rst b/Doc/extending/embedding.rst
index 6cb686a..acd60ae 100644
--- a/Doc/extending/embedding.rst
+++ b/Doc/extending/embedding.rst
@@ -58,12 +58,18 @@ perform some operation on a file. ::
    int
    main(int argc, char *argv[])
    {
-     Py_SetProgramName(argv[0]);  /* optional but recommended */
-     Py_Initialize();
-     PyRun_SimpleString("from time import time,ctime\n"
-                        "print('Today is', ctime(time()))\n");
-     Py_Finalize();
-     return 0;
+       wchar_t *program = Py_DecodeLocale(argv[0], NULL);
+       if (program == NULL) {
+           fprintf(stderr, "Fatal error: cannot decode argv[0]\n");
+           exit(1);
+       }
+       Py_SetProgramName(program);  /* optional but recommended */
+       Py_Initialize();
+       PyRun_SimpleString("from time import time,ctime\n"
+                          "print('Today is', ctime(time()))\n");
+       Py_Finalize();
+       PyMem_RawFree(program);
+       return 0;
    }
 
 The :c:func:`Py_SetProgramName` function should be called before
@@ -160,7 +166,7 @@ for data conversion between Python and C, and for error reporting.  The
 interesting part with respect to embedding Python starts with ::
 
    Py_Initialize();
-   pName = PyUnicode_FromString(argv[1]);
+   pName = PyUnicode_DecodeFSDefault(argv[1]);
    /* Error checking of pName left out */
    pModule = PyImport_Import(pName);
 
diff --git a/Doc/extending/extending.rst b/Doc/extending/extending.rst
index c10efa9..17cfdeb 100644
--- a/Doc/extending/extending.rst
+++ b/Doc/extending/extending.rst
@@ -375,11 +375,17 @@ optionally followed by an import of the module::
    int
    main(int argc, char *argv[])
    {
+       wchar_t *program = Py_DecodeLocale(argv[0], NULL);
+       if (program == NULL) {
+           fprintf(stderr, "Fatal error: cannot decode argv[0]\n");
+           exit(1);
+       }
+
        /* Add a built-in module, before Py_Initialize */
        PyImport_AppendInittab("spam", PyInit_spam);
 
        /* Pass argv[0] to the Python interpreter */
-       Py_SetProgramName(argv[0]);
+       Py_SetProgramName(program);
 
        /* Initialize the Python interpreter.  Required. */
        Py_Initialize();
@@ -391,6 +397,10 @@ optionally followed by an import of the module::
 
        ...
 
+       PyMem_RawFree(program);
+       return 0;
+   }
+
 .. note::
 
    Removing entries from ``sys.modules`` or importing compiled modules into
diff --git a/Doc/glossary.rst b/Doc/glossary.rst
index 1de86ef..57c6ddd 100644
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -88,10 +88,17 @@ Glossary
    bytes-like object
       An object that supports the :ref:`bufferobjects`, like :class:`bytes`,
       :class:`bytearray` or :class:`memoryview`.  Bytes-like objects can
-      be used for various operations that expect binary data, such as
-      compression, saving to a binary file or sending over a socket.
-      Some operations need the binary data to be mutable, in which case
-      not all bytes-like objects can apply.
+      be used for various operations that work with binary data; these include
+      compression, saving to a binary file, and sending over a socket.
+
+      Some operations need the binary data to be mutable.  The documentation
+      often refers to these as "read-write bytes-like objects".  Example
+      mutable buffer objects include :class:`bytearray` and a
+      :class:`memoryview` of a :class:`bytearray`.
+      Other operations require the binary data to be stored in
+      immutable objects ("read-only bytes-like objects"); examples
+      of these include :class:`bytes` and a :class:`memoryview`
+      of a :class:`bytes` object.
 
    bytecode
       Python source code is compiled into bytecode, the internal representation
@@ -402,6 +409,19 @@ Glossary
       than compiled ones, though their programs generally also run more
       slowly.  See also :term:`interactive`.
 
+   interpreter shutdown
+      When asked to shut down, the Python interpreter enters a special phase
+      where it gradually releases all allocated resources, such as modules
+      and various critical internal structures.  It also makes several calls
+      to the :term:`garbage collector <garbage collection>`. This can trigger
+      the execution of code in user-defined destructors or weakref callbacks.
+      Code executed during the shutdown phase can encounter various
+      exceptions as the resources it relies on may not function anymore
+      (common examples are library modules or the warnings machinery).
+
+      The main reason for interpreter shutdown is that the ``__main__`` module
+      or the script being run has finished executing.
+
    iterable
       An object capable of returning its members one at a time. Examples of
       iterables include all sequence types (such as :class:`list`, :class:`str`,
@@ -444,12 +464,13 @@ Glossary
 
       A number of tools in Python accept key functions to control how elements
       are ordered or grouped.  They include :func:`min`, :func:`max`,
-      :func:`sorted`, :meth:`list.sort`, :func:`heapq.nsmallest`,
-      :func:`heapq.nlargest`, and :func:`itertools.groupby`.
+      :func:`sorted`, :meth:`list.sort`, :func:`heapq.merge`,
+      :func:`heapq.nsmallest`, :func:`heapq.nlargest`, and
+      :func:`itertools.groupby`.
 
       There are several ways to create a key function.  For example. the
       :meth:`str.lower` method can serve as a key function for case insensitive
-      sorts.  Alternatively, an ad-hoc key function can be built from a
+      sorts.  Alternatively, a key function can be built from a
       :keyword:`lambda` expression such as ``lambda r: (r[0], r[2])``.  Also,
       the :mod:`operator` module provides three key function constructors:
       :func:`~operator.attrgetter`, :func:`~operator.itemgetter`, and
diff --git a/Doc/howto/clinic.rst b/Doc/howto/clinic.rst
index 750ddbe..ca8e1cb 100644
--- a/Doc/howto/clinic.rst
+++ b/Doc/howto/clinic.rst
@@ -886,7 +886,7 @@ Argument Clinic generates code that does it for you (in the parsing function).
 Advanced converters
 -------------------
 
-Remeber those format units you skipped for your first
+Remember those format units you skipped for your first
 time because they were advanced?  Here's how to handle those too.
 
 The trick is, all those format units take arguments--either
@@ -1020,12 +1020,12 @@ any of the default arguments you can omit the parentheses.
 the ``"as"`` should come before the return converter.)
 
 There's one additional complication when using return converters: how do you
-indicate an error has occured?  Normally, a function returns a valid (non-``NULL``)
+indicate an error has occurred?  Normally, a function returns a valid (non-``NULL``)
 pointer for success, and ``NULL`` for failure.  But if you use an integer return converter,
 all integers are valid.  How can Argument Clinic detect an error?  Its solution: each return
 converter implicitly looks for a special value that indicates an error.  If you return
 that value, and an error has been set (``PyErr_Occurred()`` returns a true
-value), then the generated code will propogate the error.  Otherwise it will
+value), then the generated code will propagate the error.  Otherwise it will
 encode the value you return like normal.
 
 Currently Argument Clinic supports only a few return converters::
@@ -1573,7 +1573,7 @@ The fourth new directive is ``set``::
 ``line_prefix`` is a string that will be prepended to every line of Clinic's output;
 ``line_suffix`` is a string that will be appended to every line of Clinic's output.
 
-Both of these suport two format strings:
+Both of these support two format strings:
 
   ``{block comment start}``
     Turns into the string ``/*``, the start-comment text sequence for C files.
diff --git a/Doc/howto/logging-cookbook.rst b/Doc/howto/logging-cookbook.rst
index 114ec09..e31b6c2 100644
--- a/Doc/howto/logging-cookbook.rst
+++ b/Doc/howto/logging-cookbook.rst
@@ -325,6 +325,15 @@ which, when run, will produce::
 
     MainThread: Look out!
 
+.. versionchanged:: 3.5
+   Prior to Python 3.5, the :class:`QueueListener` always passed every message
+   received from the queue to every handler it was initialized with. (This was
+   because it was assumed that level filtering was all done on the other side,
+   where the queue is filled.) From 3.5 onwards, this behaviour can be changed
+   by passing a keyword argument ``respect_handler_level=True`` to the
+   listener's constructor. When this is done, the listener compares the level
+   of each message with the handler's level, and only passes a message to a
+   handler if it's appropriate to do so.
 
 .. _network-logging:
 
@@ -1680,7 +1689,7 @@ as in the following complete example::
 
     def main():
         logging.basicConfig(level=logging.INFO, format='%(message)s')
-        logging.info(_('message 1', set_value=set([1, 2, 3]), snowman='\u2603'))
+        logging.info(_('message 1', set_value={1, 2, 3}, snowman='\u2603'))
 
     if __name__ == '__main__':
         main()
diff --git a/Doc/howto/pyporting.rst b/Doc/howto/pyporting.rst
index 5e875cd..a2aaf36 100644
--- a/Doc/howto/pyporting.rst
+++ b/Doc/howto/pyporting.rst
@@ -207,13 +207,12 @@ that's ``str``/``bytes`` in Python 2 and ``bytes`` in Python 3). The following
 table lists the **unique** methods of each data type across Python 2 & 3
 (e.g., the ``decode()`` method is usable on the equivalent binary data type in
 either Python 2 or 3, but it can't be used by the text data type consistently
-between Python 2 and 3 because ``str`` in Python 3 doesn't have the method).
+between Python 2 and 3 because ``str`` in Python 3 doesn't have the method). Do
+note that as of Python 3.5 the ``__mod__`` method was added to the bytes type.
 
 ======================== =====================
 **Text data**            **Binary data**
 ------------------------ ---------------------
-__mod__ (``%`` operator)
------------------------- ---------------------
 \                        decode
 ------------------------ ---------------------
 encode
@@ -348,10 +347,12 @@ tox with your continuous integration system so that you never accidentally break
 Python 2 or 3 support.
 
 You may also want to use use the ``-bb`` flag with the Python 3 interpreter to
-trigger an exception when you are comparing bytes to strings. Usually it's
-simply ``False``, but if you made a mistake in your separation of text/binary
-data handling you may be accidentally comparing text and binary data. This flag
-will raise an exception when that occurs to help track down such cases.
+trigger an exception when you are comparing bytes to strings or bytes to an int
+(the latter is available starting in Python 3.5). By default type-differing
+comparisons simply return ``False``, but if you made a mistake in your
+separation of text/binary data handling or indexing on bytes you wouldn't easily
+find the mistake. This flag will raise an exception when these kinds of
+comparisons occur, making the mistake much easier to track down.
 
 And that's mostly it! At this point your code base is compatible with both
 Python 2 and 3 simultaneously. Your testing will also be set up so that you
diff --git a/Doc/howto/regex.rst b/Doc/howto/regex.rst
index fbe763b..ad2c6ab 100644
--- a/Doc/howto/regex.rst
+++ b/Doc/howto/regex.rst
@@ -852,7 +852,7 @@ keep track of the group numbers.  There are two features which help with this
 problem.  Both of them use a common syntax for regular expression extensions, so
 we'll look at that first.
 
-Perl 5 is well-known for its powerful additions to standard regular expressions.
+Perl 5 is well known for its powerful additions to standard regular expressions.
 For these new features the Perl developers couldn't choose new single-keystroke metacharacters
 or new special sequences beginning with ``\`` without making Perl's regular
 expressions confusingly different from standard REs.  If they chose ``&`` as a
@@ -1138,7 +1138,7 @@ Empty matches are replaced only when they're not adjacent to a previous match.
 
 If *replacement* is a string, any backslash escapes in it are processed.  That
 is, ``\n`` is converted to a single newline character, ``\r`` is converted to a
-carriage return, and so forth. Unknown escapes such as ``\j`` are left alone.
+carriage return, and so forth. Unknown escapes such as ``\&`` are left alone.
 Backreferences, such as ``\6``, are replaced with the substring matched by the
 corresponding group in the RE.  This lets you incorporate portions of the
 original text in the resulting replacement string.
diff --git a/Doc/howto/sockets.rst b/Doc/howto/sockets.rst
index d5aff90..04394d4 100644
--- a/Doc/howto/sockets.rst
+++ b/Doc/howto/sockets.rst
@@ -234,7 +234,7 @@ messages to be sent back to back (without some kind of reply), and you pass
 following message. You'll need to put that aside and hold onto it, until it's
 needed.
 
-Prefixing the message with it's length (say, as 5 numeric characters) gets more
+Prefixing the message with its length (say, as 5 numeric characters) gets more
 complex, because (believe it or not), you may not get all 5 characters in one
 ``recv``. In playing around, you'll get away with it; but in high network loads,
 your code will very quickly break unless you use two ``recv`` loops - the first
diff --git a/Doc/howto/unicode.rst b/Doc/howto/unicode.rst
index b49ac39..ee31a9c 100644
--- a/Doc/howto/unicode.rst
+++ b/Doc/howto/unicode.rst
@@ -280,8 +280,9 @@ and optionally an *errors* argument.
 The *errors* argument specifies the response when the input string can't be
 converted according to the encoding's rules.  Legal values for this argument are
 ``'strict'`` (raise a :exc:`UnicodeDecodeError` exception), ``'replace'`` (use
-``U+FFFD``, ``REPLACEMENT CHARACTER``), or ``'ignore'`` (just leave the
-character out of the Unicode result).
+``U+FFFD``, ``REPLACEMENT CHARACTER``), ``'ignore'`` (just leave the
+character out of the Unicode result), or ``'backslashreplace'`` (inserts a
+``\xNN`` escape sequence).
 The following examples show the differences::
 
     >>> b'\x80abc'.decode("utf-8", "strict")  #doctest: +NORMALIZE_WHITESPACE
@@ -291,6 +292,8 @@ The following examples show the differences::
       invalid start byte
     >>> b'\x80abc'.decode("utf-8", "replace")
     '\ufffdabc'
+    >>> b'\x80abc'.decode("utf-8", "backslashreplace")
+    '\\x80abc'
     >>> b'\x80abc'.decode("utf-8", "ignore")
     'abc'
 
@@ -325,8 +328,9 @@ The *errors* parameter is the same as the parameter of the
 :meth:`~bytes.decode` method but supports a few more possible handlers. As well as
 ``'strict'``, ``'ignore'``, and ``'replace'`` (which in this case
 inserts a question mark instead of the unencodable character), there is
-also ``'xmlcharrefreplace'`` (inserts an XML character reference) and
-``backslashreplace`` (inserts a ``\uNNNN`` escape sequence).
+also ``'xmlcharrefreplace'`` (inserts an XML character reference),
+``backslashreplace`` (inserts a ``\uNNNN`` escape sequence) and
+``namereplace`` (inserts a ``\N{...}`` escape sequence).
 
 The following example shows the different results::
 
@@ -346,6 +350,8 @@ The following example shows the different results::
     b'&#40960;abcd&#1972;'
     >>> u.encode('ascii', 'backslashreplace')
     b'\\ua000abcd\\u07b4'
+    >>> u.encode('ascii', 'namereplace')
+    b'\\N{YI SYLLABLE IT}abcd\\u07b4'
 
 The low-level routines for registering and accessing the available
 encodings are found in the :mod:`codecs` module.  Implementing new
diff --git a/Doc/includes/noddy.c b/Doc/includes/noddy.c
index 8f79fcf..19a27a8 100644
--- a/Doc/includes/noddy.c
+++ b/Doc/includes/noddy.c
@@ -38,7 +38,7 @@ static PyModuleDef noddymodule = {
 };
 
 PyMODINIT_FUNC
-PyInit_noddy(void) 
+PyInit_noddy(void)
 {
     PyObject* m;
 
diff --git a/Doc/includes/run-func.c b/Doc/includes/run-func.c
index 1c9860d..986d670 100644
--- a/Doc/includes/run-func.c
+++ b/Doc/includes/run-func.c
@@ -13,7 +13,7 @@ main(int argc, char *argv[])
     }
 
     Py_Initialize();
-    pName = PyUnicode_FromString(argv[1]);
+    pName = PyUnicode_DecodeFSDefault(argv[1]);
     /* Error checking of pName left out */
 
     pModule = PyImport_Import(pName);
diff --git a/Doc/install/index.rst b/Doc/install/index.rst
index 8f3ad72..876f350 100644
--- a/Doc/install/index.rst
+++ b/Doc/install/index.rst
@@ -361,7 +361,7 @@ And here are the values used on Windows:
 Type of file    Installation directory
 =============== ===========================================================
 modules         :file:`{userbase}\\Python{XY}\\site-packages`
-scripts         :file:`{userbase}\\Scripts`
+scripts         :file:`{userbase}\\Python{XY}\\Scripts`
 data            :file:`{userbase}`
 C headers       :file:`{userbase}\\Python{XY}\\Include\\{distname}`
 =============== ===========================================================
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index 73f9480..24060f0 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -135,7 +135,7 @@ ArgumentParser objects
                           formatter_class=argparse.HelpFormatter, \
                           prefix_chars='-', fromfile_prefix_chars=None, \
                           argument_default=None, conflict_handler='error', \
-                          add_help=True)
+                          add_help=True, allow_abbrev=True)
 
    Create a new :class:`ArgumentParser` object. All parameters should be passed
    as keyword arguments. Each parameter has its own more detailed description
@@ -169,6 +169,12 @@ ArgumentParser objects
 
    * add_help_ - Add a -h/--help option to the parser (default: ``True``)
 
+   * allow_abbrev_ - Allows long options to be abbreviated if the
+     abbreviation is unambiguous. (default: ``True``)
+
+   .. versionchanged:: 3.5
+      *allow_abbrev* parameter was added.
+
 The following sections describe how each of these are used.
 
 
@@ -518,6 +524,26 @@ calls, we supply ``argument_default=SUPPRESS``::
    >>> parser.parse_args([])
    Namespace()
 
+.. _allow_abbrev:
+
+allow_abbrev
+^^^^^^^^^^^^
+
+Normally, when you pass an argument list to the
+:meth:`~ArgumentParser.parse_args` method of a :class:`ArgumentParser`,
+it :ref:`recognizes abbreviations <prefix-matching>` of long options.
+
+This feature can be disabled by setting ``allow_abbrev`` to ``False``::
+
+   >>> parser = argparse.ArgumentParser(prog='PROG', allow_abbrev=False)
+   >>> parser.add_argument('--foobar', action='store_true')
+   >>> parser.add_argument('--foonley', action='store_false')
+   >>> parser.parse_args(['--foon'])
+   usage: PROG [-h] [--foobar] [--foonley]
+   PROG: error: unrecognized arguments: --foon
+
+.. versionadded:: 3.5
+
 
 conflict_handler
 ^^^^^^^^^^^^^^^^
@@ -1410,9 +1436,9 @@ argument::
 Argument abbreviations (prefix matching)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-The :meth:`~ArgumentParser.parse_args` method allows long options to be
-abbreviated to a prefix, if the abbreviation is unambiguous (the prefix matches
-a unique option)::
+The :meth:`~ArgumentParser.parse_args` method :ref:`by default <allow_abbrev>`
+allows long options to be abbreviated to a prefix, if the abbreviation is
+unambiguous (the prefix matches a unique option)::
 
    >>> parser = argparse.ArgumentParser(prog='PROG')
    >>> parser.add_argument('-bacon')
@@ -1426,6 +1452,7 @@ a unique option)::
    PROG: error: ambiguous option: -ba could match -badger, -bacon
 
 An error is produced for arguments that could produce more than one options.
+This feature can be disabled by setting :ref:`allow_abbrev` to ``False``.
 
 
 Beyond ``sys.argv``
@@ -1910,7 +1937,7 @@ Customizing file parsing
 
    Arguments that are read from a file (see the *fromfile_prefix_chars*
    keyword argument to the :class:`ArgumentParser` constructor) are read one
-   argument per line. :meth:`convert_arg_line_to_args` can be overriden for
+   argument per line. :meth:`convert_arg_line_to_args` can be overridden for
    fancier reading.
 
    This method takes a single argument *arg_line* which is a string read from
diff --git a/Doc/library/asynchat.rst b/Doc/library/asynchat.rst
index c6fa061..794da8c 100644
--- a/Doc/library/asynchat.rst
+++ b/Doc/library/asynchat.rst
@@ -147,40 +147,6 @@ connection requests.
    by the channel after :meth:`found_terminator` is called.
 
 
-asynchat - Auxiliary Classes
-------------------------------------------
-
-.. class:: fifo(list=None)
-
-   A :class:`fifo` holding data which has been pushed by the application but
-   not yet popped for writing to the channel.  A :class:`fifo` is a list used
-   to hold data and/or producers until they are required.  If the *list*
-   argument is provided then it should contain producers or data items to be
-   written to the channel.
-
-
-   .. method:: is_empty()
-
-      Returns ``True`` if and only if the fifo is empty.
-
-
-   .. method:: first()
-
-      Returns the least-recently :meth:`push`\ ed item from the fifo.
-
-
-   .. method:: push(data)
-
-      Adds the given data (which may be a string or a producer object) to the
-      producer fifo.
-
-
-   .. method:: pop()
-
-      If the fifo is not empty, returns ``True, first()``, deleting the popped
-      item.  Returns ``False, None`` for an empty fifo.
-
-
 .. _asynchat-example:
 
 asynchat Example
diff --git a/Doc/library/asyncio-eventloops.rst b/Doc/library/asyncio-eventloops.rst
index afb8b9f..ae3bf90 100644
--- a/Doc/library/asyncio-eventloops.rst
+++ b/Doc/library/asyncio-eventloops.rst
@@ -100,8 +100,6 @@ Common limits of Windows event loops:
 
 :class:`ProactorEventLoop` specific limits:
 
-- SSL is not supported: :meth:`~BaseEventLoop.create_connection` and
-  :meth:`~BaseEventLoop.create_server` cannot be used with SSL for example
 - :meth:`~BaseEventLoop.create_datagram_endpoint` (UDP) is not supported
 - :meth:`~BaseEventLoop.add_reader` and :meth:`~BaseEventLoop.add_writer` are
   not supported
@@ -112,6 +110,10 @@ The best resolution is 0.5 msec. The resolution depends on the hardware
 <http://fr.wikipedia.org/wiki/High_Precision_Event_Timer>`_) and on the Windows
 configuration. See :ref:`asyncio delayed calls <asyncio-delayed-calls>`.
 
+.. versionchanged:: 3.5
+
+   :class:`ProactorEventLoop` now supports SSL.
+
 
 Mac OS X
 ^^^^^^^^
diff --git a/Doc/library/asyncio-queue.rst b/Doc/library/asyncio-queue.rst
index 3370672..f11c09a 100644
--- a/Doc/library/asyncio-queue.rst
+++ b/Doc/library/asyncio-queue.rst
@@ -8,7 +8,6 @@ Queues:
 * :class:`Queue`
 * :class:`PriorityQueue`
 * :class:`LifoQueue`
-* :class:`JoinableQueue`
 
 asyncio queue API was designed to be close to classes of the :mod:`queue`
 module (:class:`~queue.Queue`, :class:`~queue.PriorityQueue`,
@@ -144,16 +143,6 @@ LifoQueue
     first.
 
 
-JoinableQueue
-^^^^^^^^^^^^^
-
-.. class:: JoinableQueue
-
-   Deprecated alias for :class:`Queue`.
-
-   .. deprecated:: 3.4.4
-
-
 Exceptions
 ^^^^^^^^^^
 
diff --git a/Doc/library/bz2.rst b/Doc/library/bz2.rst
index 488cda5..1b8d9cf 100644
--- a/Doc/library/bz2.rst
+++ b/Doc/library/bz2.rst
@@ -120,6 +120,10 @@ All of the classes in this module may safely be accessed from multiple threads.
    .. versionchanged:: 3.4
       The ``'x'`` (exclusive creation) mode was added.
 
+   .. versionchanged:: 3.5
+      The :meth:`~io.BufferedIOBase.read` method now accepts an argument of
+      ``None``.
+
 
 Incremental (de)compression
 ---------------------------
@@ -162,15 +166,32 @@ Incremental (de)compression
       you need to decompress a multi-stream input with :class:`BZ2Decompressor`,
       you must use a new decompressor for each stream.
 
-   .. method:: decompress(data)
+   .. method:: decompress(data, max_length=-1)
+
+      Decompress *data* (a :term:`bytes-like object`), returning
+      uncompressed data as bytes. Some of *data* may be buffered
+      internally, for use in later calls to :meth:`decompress`. The
+      returned data should be concatenated with the output of any
+      previous calls to :meth:`decompress`.
+
+      If *max_length* is nonnegative, returns at most *max_length*
+      bytes of decompressed data. If this limit is reached and further
+      output can be produced, the :attr:`~.needs_input` attribute will
+      be set to ``False``. In this case, the next call to
+      :meth:`~.decompress` may provide *data* as ``b''`` to obtain
+      more of the output.
 
-      Provide data to the decompressor object. Returns a chunk of decompressed
-      data if possible, or an empty byte string otherwise.
+      If all of the input data was decompressed and returned (either
+      because this was less than *max_length* bytes, or because
+      *max_length* was negative), the :attr:`~.needs_input` attribute
+      will be set to ``True``.
 
-      Attempting to decompress data after the end of the current stream is
-      reached raises an :exc:`EOFError`. If any data is found after the end of
-      the stream, it is ignored and saved in the :attr:`unused_data` attribute.
+      Attempting to decompress data after the end of stream is reached
+      raises an `EOFError`.  Any data found after the end of the
+      stream is ignored and saved in the :attr:`~.unused_data` attribute.
 
+      .. versionchanged:: 3.5
+         Added the *max_length* parameter.
 
    .. attribute:: eof
 
@@ -186,6 +207,13 @@ Incremental (de)compression
       If this attribute is accessed before the end of the stream has been
       reached, its value will be ``b''``.
 
+   .. attribute:: needs_input
+
+      ``False`` if the :meth:`.decompress` method can provide more
+      decompressed data before requiring new uncompressed input.
+
+      .. versionadded:: 3.5
+
 
 One-shot (de)compression
 ------------------------
diff --git a/Doc/library/cgi.rst b/Doc/library/cgi.rst
index fa13145..0a9e884 100644
--- a/Doc/library/cgi.rst
+++ b/Doc/library/cgi.rst
@@ -157,6 +157,9 @@ return bytes)::
            if not line: break
            linecount = linecount + 1
 
+:class:`FieldStorage` objects also support being used in a :keyword:`with`
+statement, which will automatically close them when done.
+
 If an error is encountered when obtaining the contents of an uploaded file
 (for example, when the user interrupts the form submission by clicking on
 a Back or Cancel button) the :attr:`~FieldStorage.done` attribute of the
@@ -182,6 +185,10 @@ A form submitted via POST that also has a query string will contain both
    The :attr:`~FieldStorage.file` attribute is automatically closed upon the
    garbage collection of the creating :class:`FieldStorage` instance.
 
+.. versionchanged:: 3.5
+   Added support for the context management protocol to the
+   :class:`FieldStorage` class.
+
 
 Higher Level Interface
 ----------------------
diff --git a/Doc/library/cmd.rst b/Doc/library/cmd.rst
index 80d2a5d..1ab2d74 100644
--- a/Doc/library/cmd.rst
+++ b/Doc/library/cmd.rst
@@ -259,7 +259,7 @@ immediate playback::
             'Move turtle to an absolute position with changing orientation.  GOTO 100 200'
             goto(*parse(arg))
         def do_home(self, arg):
-            'Return turtle to the home postion:  HOME'
+            'Return turtle to the home position:  HOME'
             home()
         def do_circle(self, arg):
             'Draw circle with given radius an options extent and steps:  CIRCLE 50'
diff --git a/Doc/library/code.rst b/Doc/library/code.rst
index 5b5d7cc..275201c 100644
--- a/Doc/library/code.rst
+++ b/Doc/library/code.rst
@@ -4,6 +4,7 @@
 .. module:: code
    :synopsis: Facilities to implement read-eval-print loops.
 
+**Source code:** :source:`Lib/code.py`
 
 The ``code`` module provides facilities to implement read-eval-print loops in
 Python.  Two classes and convenience functions are included which can be used to
@@ -113,6 +114,9 @@ Interactive Interpreter Objects
    because it is within the interpreter object implementation. The output is
    written by the :meth:`write` method.
 
+   .. versionchanged:: 3.5 The full chained traceback is displayed instead
+      of just the primary traceback.
+
 
 .. method:: InteractiveInterpreter.write(data)
 
@@ -165,4 +169,3 @@ interpreter objects as well as the following additions.
    newline.  When the user enters the EOF key sequence, :exc:`EOFError` is raised.
    The base implementation reads from ``sys.stdin``; a subclass may replace this
    with a different implementation.
-
diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index 19d7192..0430cb9 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -7,6 +7,7 @@
 .. sectionauthor:: Marc-André Lemburg <mal@lemburg.com>
 .. sectionauthor:: Martin v. Löwis <martin@v.loewis.de>
 
+**Source code:** :source:`Lib/codecs.py`
 
 .. index::
    single: Unicode
@@ -29,10 +30,9 @@ module features are restricted to use specifically with
 The module defines the following functions for encoding and decoding with
 any codec:
 
-.. function:: encode(obj, [encoding[, errors]])
+.. function:: encode(obj, encoding='utf-8', errors='strict')
 
-   Encodes *obj* using the codec registered for *encoding*. The default
-   encoding is ``utf-8``.
+   Encodes *obj* using the codec registered for *encoding*.
 
    *Errors* may be given to set the desired error handling scheme. The
    default error handler is ``'strict'`` meaning that encoding errors raise
@@ -40,10 +40,9 @@ any codec:
    :exc:`UnicodeEncodeError`). Refer to :ref:`codec-base-classes` for more
    information on codec error handling.
 
-.. function:: decode(obj, [encoding[, errors]])
+.. function:: decode(obj, encoding='utf-8', errors='strict')
 
-   Decodes *obj* using the codec registered for *encoding*. The default
-   encoding is ``utf-8``.
+   Decodes *obj* using the codec registered for *encoding*.
 
    *Errors* may be given to set the desired error handling scheme. The
    default error handler is ``'strict'`` meaning that decoding errors raise
@@ -104,7 +103,6 @@ The full details for each codec can also be looked up directly:
 To simplify access to the various codec components, the module provides
 these additional functions which use :func:`lookup` for the codec lookup:
 
-
 .. function:: getencoder(encoding)
 
    Look up the codec for the given encoding and return its encoder function.
@@ -274,6 +272,7 @@ implement the file protocols. Codec authors also need to define how the
 codec will handle encoding and decoding errors.
 
 
+.. _surrogateescape:
 .. _error-handlers:
 
 Error Handlers
@@ -315,10 +314,14 @@ The following error handlers are only applicable to
 |                         | reference (only for encoding).  Implemented   |
 |                         | in :func:`xmlcharrefreplace_errors`.          |
 +-------------------------+-----------------------------------------------+
-| ``'backslashreplace'``  | Replace with backslashed escape sequences     |
-|                         | (only for encoding).  Implemented in          |
+| ``'backslashreplace'``  | Replace with backslashed escape sequences.    |
+|                         | Implemented in                                |
 |                         | :func:`backslashreplace_errors`.              |
 +-------------------------+-----------------------------------------------+
+| ``'namereplace'``       | Replace with ``\N{...}`` escape sequences     |
+|                         | (only for encoding).  Implemented in          |
+|                         | :func:`namereplace_errors`.                   |
++-------------------------+-----------------------------------------------+
 | ``'surrogateescape'``   | On decoding, replace byte with individual     |
 |                         | surrogate code ranging from ``U+DC80`` to     |
 |                         | ``U+DCFF``.  This code will then be turned    |
@@ -344,6 +347,13 @@ In addition, the following error handler is specific to the given codecs:
 .. versionchanged:: 3.4
    The ``'surrogatepass'`` error handlers now works with utf-16\* and utf-32\* codecs.
 
+.. versionadded:: 3.5
+   The ``'namereplace'`` error handler.
+
+.. versionchanged:: 3.5
+   The ``'backslashreplace'`` error handlers now works with decoding and
+   translating.
+
 The set of allowed values can be extended by registering a new named error
 handler:
 
@@ -411,9 +421,17 @@ functions:
 
 .. function:: backslashreplace_errors(exception)
 
-   Implements the ``'backslashreplace'`` error handling (for encoding with
+   Implements the ``'backslashreplace'`` error handling (for
+   :term:`text encodings <text encoding>` only): malformed data is
+   replaced by a backslashed escape sequence.
+
+.. function:: namereplace_errors(exception)
+
+   Implements the ``'namereplace'`` error handling (for encoding with
    :term:`text encodings <text encoding>` only): the
-   unencodable character is replaced by a backslashed escape sequence.
+   unencodable character is replaced by a ``\N{...}`` escape sequence.
+
+   .. versionadded:: 3.5
 
 
 .. _codec-objects:
@@ -1444,4 +1462,3 @@ This module implements a variant of the UTF-8 codec: On encoding a UTF-8 encoded
 BOM will be prepended to the UTF-8 encoded bytes. For the stateful encoder this
 is only done once (on the first write to the byte stream).  For decoding an
 optional UTF-8 encoded BOM at the start of the data will be skipped.
-
diff --git a/Doc/library/collections.abc.rst b/Doc/library/collections.abc.rst
index 599e9fa..99c4311 100644
--- a/Doc/library/collections.abc.rst
+++ b/Doc/library/collections.abc.rst
@@ -179,7 +179,7 @@ Notes on using :class:`Set` and :class:`MutableSet` as a mixin:
 (3)
    The :class:`Set` mixin provides a :meth:`_hash` method to compute a hash value
    for the set; however, :meth:`__hash__` is not defined because not all sets
-   are hashable or immutable.  To add set hashabilty using mixins,
+   are hashable or immutable.  To add set hashability using mixins,
    inherit from both :meth:`Set` and :meth:`Hashable`, then define
    ``__hash__ = Set._hash``.
 
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 0acde12..dd6395d 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -437,6 +437,13 @@ or subtracting from an empty counter.
         Remove all elements from the deque leaving it with length 0.
 
 
+    .. method:: copy()
+
+        Create a shallow copy of the deque.
+
+        .. versionadded:: 3.5
+
+
     .. method:: count(x)
 
         Count the number of deque elements equal to *x*.
@@ -457,6 +464,21 @@ or subtracting from an empty counter.
         elements in the iterable argument.
 
 
+    .. method:: index(x[, start[, end]])
+
+        Return the position of *x* in the deque.  Returns the first match
+        or raises :exc:`ValueError` if not found.
+
+        .. versionadded:: 3.5
+
+
+    .. method:: insert(i, x)
+
+        Insert *x* into the deque at position *i*.
+
+        .. versionadded:: 3.5
+
+
     .. method:: pop()
 
         Remove and return an element from the right side of the deque. If no
@@ -504,6 +526,9 @@ the :keyword:`in` operator, and subscript references such as ``d[-1]``.  Indexed
 access is O(1) at both ends but slows to O(n) in the middle.  For fast random
 access, use lists instead.
 
+Starting in version 3.5, deques support ``__add__()``, ``__mul__()``,
+and ``__imul__()``.
+
 Example:
 
 .. doctest::
@@ -982,12 +1007,15 @@ The :class:`OrderedDict` constructor and :meth:`update` method both accept
 keyword arguments, but their order is lost because Python's function call
 semantics pass-in keyword arguments using a regular unordered dictionary.
 
+.. versionchanged:: 3.5
+   The items, keys, and values :term:`views <view>` of :class:`OrderedDict` now
+   support reverse iteration using :func:`reversed`.
 
 :class:`OrderedDict` Examples and Recipes
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Since an ordered dictionary remembers its insertion order, it can be used
-in conjuction with sorting to make a sorted dictionary::
+in conjunction with sorting to make a sorted dictionary::
 
     >>> # regular unsorted dictionary
     >>> d = {'banana': 3, 'apple':4, 'pear': 1, 'orange': 2}
diff --git a/Doc/library/compileall.rst b/Doc/library/compileall.rst
index 9712de2..0325f1a 100644
--- a/Doc/library/compileall.rst
+++ b/Doc/library/compileall.rst
@@ -42,7 +42,8 @@ compile Python sources.
 
 .. cmdoption:: -q
 
-   Do not print the list of files compiled, print only error messages.
+   Do not print the list of files compiled. If passed once, error messages will
+   still be printed. If passed twice (``-qq``), all output is suppressed.
 
 .. cmdoption:: -d destdir
 
@@ -70,9 +71,33 @@ compile Python sources.
    is to write files to their :pep:`3147` locations and names, which allows
    byte-code files from multiple versions of Python to coexist.
 
+.. cmdoption:: -r
+
+   Control the maximum recursion level for subdirectories.
+   If this is given, then ``-l`` option will not be taken into account.
+   :program:`python -m compileall <directory> -r 0` is equivalent to
+   :program:`python -m compileall <directory> -l`.
+
+.. cmdoption:: -j N
+
+   Use *N* workers to compile the files within the given directory.
+   If ``0`` is used, then the result of :func:`os.cpu_count()`
+   will be used.
+
 .. versionchanged:: 3.2
    Added the ``-i``, ``-b`` and ``-h`` options.
 
+.. versionchanged:: 3.5
+   Added the  ``-j`` and ``-r`` options.
+
+.. versionchanged:: 3.5
+   ``-q`` option was changed to a multilevel value.
+
+.. versionchanged:: 3.5
+   ``-b`` will always produce a byte-code file ending in ``.pyc``, never
+   ``.pyo``.
+
+
 There is no command-line option to control the optimization level used by the
 :func:`compile` function, because the Python interpreter itself already
 provides the option: :program:`python -O -m compileall`.
@@ -80,7 +105,7 @@ provides the option: :program:`python -O -m compileall`.
 Public functions
 ----------------
 
-.. function:: compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None, quiet=False, legacy=False, optimize=-1)
+.. function:: compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None, quiet=0, legacy=False, optimize=-1, workers=1)
 
    Recursively descend the directory tree named by *dir*, compiling all :file:`.py`
    files along the way.
@@ -101,8 +126,9 @@ Public functions
    file considered for compilation, and if it returns a true value, the file
    is skipped.
 
-   If *quiet* is true, nothing is printed to the standard output unless errors
-   occur.
+   If *quiet* is ``False`` or ``0`` (the default), the filenames and other
+   information are printed to standard out. Set to ``1``, only errors are
+   printed. Set to ``2``, all output is suppressed.
 
    If *legacy* is true, byte-code files are written to their legacy locations
    and names, which may overwrite byte-code files created by another version of
@@ -113,11 +139,26 @@ Public functions
    *optimize* specifies the optimization level for the compiler.  It is passed to
    the built-in :func:`compile` function.
 
+   The argument *workers* specifies how many workers are used to
+   compile files in parallel. The default is to not use multiple workers.
+   If the platform can't use multiple workers and *workers* argument is given,
+   then sequential compilation will be used as a fallback.  If *workers* is
+   lower than ``0``, a :exc:`ValueError` will be raised.
+
    .. versionchanged:: 3.2
       Added the *legacy* and *optimize* parameter.
 
+   .. versionchanged:: 3.5
+      Added the *workers* parameter.
+
+   .. versionchanged:: 3.5
+      *quiet* parameter was changed to a multilevel value.
 
-.. function:: compile_file(fullname, ddir=None, force=False, rx=None, quiet=False, legacy=False, optimize=-1)
+   .. versionchanged:: 3.5
+      The *legacy* parameter only writes out ``.pyc`` files, not ``.pyo`` files
+      no matter what the value of *optimize* is.
+
+.. function:: compile_file(fullname, ddir=None, force=False, rx=None, quiet=0, legacy=False, optimize=-1)
 
    Compile the file with path *fullname*.
 
@@ -131,8 +172,9 @@ Public functions
    file being compiled, and if it returns a true value, the file is not
    compiled and ``True`` is returned.
 
-   If *quiet* is true, nothing is printed to the standard output unless errors
-   occur.
+   If *quiet* is ``False`` or ``0`` (the default), the filenames and other
+   information are printed to standard out. Set to ``1``, only errors are
+   printed. Set to ``2``, all output is suppressed.
 
    If *legacy* is true, byte-code files are written to their legacy locations
    and names, which may overwrite byte-code files created by another version of
@@ -145,8 +187,14 @@ Public functions
 
    .. versionadded:: 3.2
 
+   .. versionchanged:: 3.5
+      *quiet* parameter was changed to a multilevel value.
+
+   .. versionchanged:: 3.5
+      The *legacy* parameter only writes out ``.pyc`` files, not ``.pyo`` files
+      no matter what the value of *optimize* is.
 
-.. function:: compile_path(skip_curdir=True, maxlevels=0, force=False, legacy=False, optimize=-1)
+.. function:: compile_path(skip_curdir=True, maxlevels=0, force=False, quiet=0, legacy=False, optimize=-1)
 
    Byte-compile all the :file:`.py` files found along ``sys.path``. If
    *skip_curdir* is true (the default), the current directory is not included
@@ -157,6 +205,12 @@ Public functions
    .. versionchanged:: 3.2
       Added the *legacy* and *optimize* parameter.
 
+   .. versionchanged:: 3.5
+      *quiet* parameter was changed to a multilevel value.
+
+   .. versionchanged:: 3.5
+      The *legacy* parameter only writes out ``.pyc`` files, not ``.pyo`` files
+      no matter what the value of *optimize* is.
 
 To force a recompile of all the :file:`.py` files in the :file:`Lib/`
 subdirectory and all its subdirectories::
diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst
index 48b4362..11b3916 100644
--- a/Doc/library/concurrent.futures.rst
+++ b/Doc/library/concurrent.futures.rst
@@ -38,7 +38,7 @@ Executor Objects
               future = executor.submit(pow, 323, 1235)
               print(future.result())
 
-    .. method:: map(func, *iterables, timeout=None)
+    .. method:: map(func, *iterables, timeout=None, chunksize=1)
 
        Equivalent to :func:`map(func, *iterables) <map>` except *func* is executed
        asynchronously and several calls to *func* may be made concurrently.  The
@@ -48,7 +48,16 @@ Executor Objects
        *timeout* can be an int or a float.  If *timeout* is not specified or
        ``None``, there is no limit to the wait time.  If a call raises an
        exception, then that exception will be raised when its value is
-       retrieved from the iterator.
+       retrieved from the iterator. When using :class:`ProcessPoolExecutor`, this
+       method chops *iterables* into a number of chunks which it submits to the
+       pool as separate tasks. The (approximate) size of these chunks can be
+       specified by setting *chunksize* to a positive integer. For very long
+       iterables, using a large value for *chunksize* can significantly improve
+       performance compared to the default size of 1. With :class:`ThreadPoolExecutor`,
+       *chunksize* has no effect.
+
+       .. versionchanged:: 3.5
+          Added the *chunksize* argument.
 
     .. method:: shutdown(wait=True)
 
@@ -115,11 +124,19 @@ And::
    executor.submit(wait_on_future)
 
 
-.. class:: ThreadPoolExecutor(max_workers)
+.. class:: ThreadPoolExecutor(max_workers=None)
 
    An :class:`Executor` subclass that uses a pool of at most *max_workers*
    threads to execute calls asynchronously.
 
+   .. versionchanged:: 3.5
+      If *max_workers* is ``None`` or
+      not given, it will default to the number of processors on the machine,
+      multiplied by ``5``, assuming that :class:`ThreadPoolExecutor` is often
+      used to overlap I/O instead of CPU work and the number of workers
+      should be higher than the number of workers
+      for :class:`ProcessPoolExecutor`.
+
 
 .. _threadpoolexecutor-example:
 
@@ -175,6 +192,8 @@ to a :class:`ProcessPoolExecutor` will result in deadlock.
    An :class:`Executor` subclass that executes calls asynchronously using a pool
    of at most *max_workers* processes.  If *max_workers* is ``None`` or not
    given, it will default to the number of processors on the machine.
+   If *max_workers* is lower or equal to ``0``, then a :exc:`ValueError`
+   will be raised.
 
    .. versionchanged:: 3.3
       When one of the worker processes terminates abruptly, a
diff --git a/Doc/library/configparser.rst b/Doc/library/configparser.rst
index 024d27c..c9187a3 100644
--- a/Doc/library/configparser.rst
+++ b/Doc/library/configparser.rst
@@ -11,6 +11,8 @@
 .. sectionauthor:: Christopher G. Petrilli <petrilli@amber.org>
 .. sectionauthor:: Łukasz Langa <lukasz@langa.pl>
 
+**Source code:** :source:`Lib/configparser.py`
+
 .. index::
    pair: .ini; file
    pair: configuration; file
@@ -142,12 +144,13 @@ datatypes, you should convert on your own:
    >>> float(topsecret['CompressionLevel'])
    9.0
 
-Extracting Boolean values is not that simple, though.  Passing the value
-to ``bool()`` would do no good since ``bool('False')`` is still
-``True``.  This is why config parsers also provide :meth:`getboolean`.
-This method is case-insensitive and recognizes Boolean values from
-``'yes'``/``'no'``, ``'on'``/``'off'`` and ``'1'``/``'0'`` [1]_.
-For example:
+Since this task is so common, config parsers provide a range of handy getter
+methods to handle integers, floats and booleans.  The last one is the most
+interesting because simply passing the value to ``bool()`` would do no good
+since ``bool('False')`` is still ``True``.  This is why config parsers also
+provide :meth:`getboolean`.  This method is case-insensitive and recognizes
+Boolean values from ``'yes'``/``'no'``, ``'on'``/``'off'``,
+``'true'``/``'false'`` and ``'1'``/``'0'`` [1]_.  For example:
 
 .. doctest::
 
@@ -159,10 +162,8 @@ For example:
    True
 
 Apart from :meth:`getboolean`, config parsers also provide equivalent
-:meth:`getint` and :meth:`getfloat` methods, but these are far less
-useful since conversion using :func:`int` and :func:`float` is
-sufficient for these types.
-
+:meth:`getint` and :meth:`getfloat` methods.  You can register your own
+converters and customize the provided ones. [1]_
 
 Fallback Values
 ---------------
@@ -317,11 +318,11 @@ from ``get()`` calls.
 .. class:: ExtendedInterpolation()
 
    An alternative handler for interpolation which implements a more advanced
-   syntax, used for instance in ``zc.buildout``. Extended interpolation is
+   syntax, used for instance in ``zc.buildout``.  Extended interpolation is
    using ``${section:option}`` to denote a value from a foreign section.
-   Interpolation can span multiple levels. For convenience, if the ``section:``
-   part is omitted, interpolation defaults to the current section (and possibly
-   the default values from the special section).
+   Interpolation can span multiple levels.  For convenience, if the
+   ``section:`` part is omitted, interpolation defaults to the current section
+   (and possibly the default values from the special section).
 
    For example, the configuration specified above with basic interpolation,
    would look like this with extended interpolation:
@@ -386,7 +387,7 @@ However, there are a few differences that should be taken into account:
 * All sections include ``DEFAULTSECT`` values as well which means that
   ``.clear()`` on a section may not leave the section visibly empty.  This is
   because default values cannot be deleted from the section (because technically
-  they are not there).  If they are overriden in the section, deleting causes
+  they are not there).  If they are overridden in the section, deleting causes
   the default value to be visible again.  Trying to delete a default value
   causes a ``KeyError``.
 
@@ -399,13 +400,13 @@ However, there are a few differences that should be taken into account:
   * ``parser.popitem()`` never returns it.
 
 * ``parser.get(section, option, **kwargs)`` - the second argument is **not**
-  a fallback value. Note however that the section-level ``get()`` methods are
+  a fallback value.  Note however that the section-level ``get()`` methods are
   compatible both with the mapping protocol and the classic configparser API.
 
 * ``parser.items()`` is compatible with the mapping protocol (returns a list of
   *section_name*, *section_proxy* pairs including the DEFAULTSECT).  However,
   this method can also be invoked with arguments: ``parser.items(section, raw,
-  vars)``. The latter call returns a list of *option*, *value* pairs for
+  vars)``.  The latter call returns a list of *option*, *value* pairs for
   a specified ``section``, with all interpolations expanded (unless
   ``raw=True`` is provided).
 
@@ -539,9 +540,9 @@ the :meth:`__init__` options:
 
 * *delimiters*, default value: ``('=', ':')``
 
-  Delimiters are substrings that delimit keys from values within a section. The
-  first occurrence of a delimiting substring on a line is considered a delimiter.
-  This means values (but not keys) can contain the delimiters.
+  Delimiters are substrings that delimit keys from values within a section.
+  The first occurrence of a delimiting substring on a line is considered
+  a delimiter.  This means values (but not keys) can contain the delimiters.
 
   See also the *space_around_delimiters* argument to
   :meth:`ConfigParser.write`.
@@ -553,7 +554,7 @@ the :meth:`__init__` options:
   Comment prefixes are strings that indicate the start of a valid comment within
   a config file. *comment_prefixes* are used only on otherwise empty lines
   (optionally indented) whereas *inline_comment_prefixes* can be used after
-  every valid value (e.g.  section names, options and empty lines as well). By
+  every valid value (e.g. section names, options and empty lines as well).  By
   default inline comments are disabled and ``'#'`` and ``';'`` are used as
   prefixes for whole line comments.
 
@@ -563,10 +564,10 @@ the :meth:`__init__` options:
 
   Please note that config parsers don't support escaping of comment prefixes so
   using *inline_comment_prefixes* may prevent users from specifying option
-  values with characters used as comment prefixes. When in doubt, avoid setting
-  *inline_comment_prefixes*. In any circumstances, the only way of storing
-  comment prefix characters at the beginning of a line in multiline values is to
-  interpolate the prefix, for example::
+  values with characters used as comment prefixes.  When in doubt, avoid
+  setting *inline_comment_prefixes*.  In any circumstances, the only way of
+  storing comment prefix characters at the beginning of a line in multiline
+  values is to interpolate the prefix, for example::
 
     >>> from configparser import ConfigParser, ExtendedInterpolation
     >>> parser = ConfigParser(interpolation=ExtendedInterpolation())
@@ -611,7 +612,7 @@ the :meth:`__init__` options:
 
   When set to ``True``, the parser will not allow for any section or option
   duplicates while reading from a single source (using :meth:`read_file`,
-  :meth:`read_string` or :meth:`read_dict`). It is recommended to use strict
+  :meth:`read_string` or :meth:`read_dict`).  It is recommended to use strict
   parsers in new applications.
 
   .. versionchanged:: 3.2
@@ -646,12 +647,12 @@ the :meth:`__init__` options:
 
   The convention of allowing a special section of default values for other
   sections or interpolation purposes is a powerful concept of this library,
-  letting users create complex declarative configurations. This section is
+  letting users create complex declarative configurations.  This section is
   normally called ``"DEFAULT"`` but this can be customized to point to any
-  other valid section name. Some typical values include: ``"general"`` or
-  ``"common"``. The name provided is used for recognizing default sections when
-  reading from any source and is used when writing configuration back to
-  a file. Its current value can be retrieved using the
+  other valid section name.  Some typical values include: ``"general"`` or
+  ``"common"``.  The name provided is used for recognizing default sections
+  when reading from any source and is used when writing configuration back to
+  a file.  Its current value can be retrieved using the
   ``parser_instance.default_section`` attribute and may be modified at runtime
   (i.e. to convert files from one format to another).
 
@@ -660,14 +661,30 @@ the :meth:`__init__` options:
   Interpolation behaviour may be customized by providing a custom handler
   through the *interpolation* argument. ``None`` can be used to turn off
   interpolation completely, ``ExtendedInterpolation()`` provides a more
-  advanced variant inspired by ``zc.buildout``. More on the subject in the
+  advanced variant inspired by ``zc.buildout``.  More on the subject in the
   `dedicated documentation section <#interpolation-of-values>`_.
   :class:`RawConfigParser` has a default value of ``None``.
 
+* *converters*, default value: not set
+
+  Config parsers provide option value getters that perform type conversion.  By
+  default :meth:`getint`, :meth:`getfloat`, and :meth:`getboolean` are
+  implemented.  Should other getters be desirable, users may define them in
+  a subclass or pass a dictionary where each key is a name of the converter and
+  each value is a callable implementing said conversion.  For instance, passing
+  ``{'decimal': decimal.Decimal}`` would add :meth:`getdecimal` on both the
+  parser object and all section proxies.  In other words, it will be possible
+  to write both ``parser_instance.getdecimal('section', 'key', fallback=0)``
+  and ``parser_instance['section'].getdecimal('key', 0)``.
+
+  If the converter needs to access the state of the parser, it can be
+  implemented as a method on a config parser subclass.  If the name of this
+  method starts with ``get``, it will be available on all section proxies, in
+  the dict-compatible form (see the ``getdecimal()`` example above).
 
 More advanced customization may be achieved by overriding default values of
-these parser attributes.  The defaults are defined on the classes, so they
-may be overriden by subclasses or by attribute assignment.
+these parser attributes.  The defaults are defined on the classes, so they may
+be overridden by subclasses or by attribute assignment.
 
 .. attribute:: BOOLEAN_STATES
 
@@ -725,10 +742,11 @@ may be overriden by subclasses or by attribute assignment.
 
 .. attribute:: SECTCRE
 
-  A compiled regular expression used to parse section headers. The default
-  matches ``[section]`` to the name ``"section"``. Whitespace is considered part
-  of the section name, thus ``[  larch  ]`` will be read as a section of name
-  ``"  larch  "``. Override this attribute if that's unsuitable.  For example:
+  A compiled regular expression used to parse section headers.  The default
+  matches ``[section]`` to the name ``"section"``.  Whitespace is considered
+  part of the section name, thus ``[  larch  ]`` will be read as a section of
+  name ``"  larch  "``.  Override this attribute if that's unsuitable.  For
+  example:
 
   .. doctest::
 
@@ -859,7 +877,7 @@ interpolation if an option used is not defined elsewhere. ::
 ConfigParser Objects
 --------------------
 
-.. class:: ConfigParser(defaults=None, dict_type=collections.OrderedDict, allow_no_value=False, delimiters=('=', ':'), comment_prefixes=('#', ';'), inline_comment_prefixes=None, strict=True, empty_lines_in_values=True, default_section=configparser.DEFAULTSECT, interpolation=BasicInterpolation())
+.. class:: ConfigParser(defaults=None, dict_type=collections.OrderedDict, allow_no_value=False, delimiters=('=', ':'), comment_prefixes=('#', ';'), inline_comment_prefixes=None, strict=True, empty_lines_in_values=True, default_section=configparser.DEFAULTSECT, interpolation=BasicInterpolation(), converters={})
 
    The main configuration parser.  When *defaults* is given, it is initialized
    into the dictionary of intrinsic defaults.  When *dict_type* is given, it
@@ -869,8 +887,8 @@ ConfigParser Objects
    When *delimiters* is given, it is used as the set of substrings that
    divide keys from values.  When *comment_prefixes* is given, it will be used
    as the set of substrings that prefix comments in otherwise empty lines.
-   Comments can be indented. When *inline_comment_prefixes* is given, it will be
-   used as the set of substrings that prefix comments in non-empty lines.
+   Comments can be indented.  When *inline_comment_prefixes* is given, it will
+   be used as the set of substrings that prefix comments in non-empty lines.
 
    When *strict* is ``True`` (the default), the parser won't allow for
    any section or option duplicates while reading from a single source (file,
@@ -884,13 +902,13 @@ ConfigParser Objects
 
    When *default_section* is given, it specifies the name for the special
    section holding default values for other sections and interpolation purposes
-   (normally named ``"DEFAULT"``). This value can be retrieved and changed on
+   (normally named ``"DEFAULT"``).  This value can be retrieved and changed on
    runtime using the ``default_section`` instance attribute.
 
    Interpolation behaviour may be customized by providing a custom handler
    through the *interpolation* argument. ``None`` can be used to turn off
    interpolation completely, ``ExtendedInterpolation()`` provides a more
-   advanced variant inspired by ``zc.buildout``. More on the subject in the
+   advanced variant inspired by ``zc.buildout``.  More on the subject in the
    `dedicated documentation section <#interpolation-of-values>`_.
 
    All option names used in interpolation will be passed through the
@@ -899,6 +917,12 @@ ConfigParser Objects
    converts option names to lower case), the values ``foo %(bar)s`` and ``foo
    %(BAR)s`` are equivalent.
 
+   When *converters* is given, it should be a dictionary where each key
+   represents the name of a type converter and each value is a callable
+   implementing the conversion from string to the desired datatype.  Every
+   converter gets its own corresponding :meth:`get*()` method on the parser
+   object and section proxies.
+
    .. versionchanged:: 3.1
       The default *dict_type* is :class:`collections.OrderedDict`.
 
@@ -907,6 +931,9 @@ ConfigParser Objects
       *empty_lines_in_values*, *default_section* and *interpolation* were
       added.
 
+   .. versionchanged:: 3.5
+      The *converters* argument was added.
+
 
    .. method:: defaults()
 
@@ -944,7 +971,7 @@ ConfigParser Objects
    .. method:: has_option(section, option)
 
       If the given *section* exists, and contains the given *option*, return
-      :const:`True`; otherwise return :const:`False`. If the specified
+      :const:`True`; otherwise return :const:`False`.  If the specified
       *section* is :const:`None` or an empty string, DEFAULT is assumed.
 
 
@@ -1069,7 +1096,7 @@ ConfigParser Objects
       :meth:`get` method.
 
       .. versionchanged:: 3.2
-         Items present in *vars* no longer appear in the result. The previous
+         Items present in *vars* no longer appear in the result.  The previous
          behaviour mixed actual parser options with variables provided for
          interpolation.
 
@@ -1170,7 +1197,7 @@ RawConfigParser Objects
 
    .. note::
       Consider using :class:`ConfigParser` instead which checks types of
-      the values to be stored internally. If you don't want interpolation, you
+      the values to be stored internally.  If you don't want interpolation, you
       can use ``ConfigParser(interpolation=None)``.
 
 
@@ -1181,7 +1208,7 @@ RawConfigParser Objects
       *default section* name is passed, :exc:`ValueError` is raised.
 
       Type of *section* is not checked which lets users create non-string named
-      sections. This behaviour is unsupported and may cause internal errors.
+      sections.  This behaviour is unsupported and may cause internal errors.
 
 
    .. method:: set(section, option, value)
@@ -1282,3 +1309,4 @@ Exceptions
 .. [1] Config parsers allow for heavy customization.  If you are interested in
        changing the behaviour outlined by the footnote reference, consult the
        `Customizing Parser Behaviour`_ section.
+
diff --git a/Doc/library/constants.rst b/Doc/library/constants.rst
index 42b5af2..d5a0f09 100644
--- a/Doc/library/constants.rst
+++ b/Doc/library/constants.rst
@@ -45,7 +45,6 @@ A small number of constants live in the built-in namespace.  They are:
    for more details.
 
 
-
 .. data:: Ellipsis
 
    The same as ``...``.  Special value used mostly in conjunction with extended
diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst
index 6f36864..550b347 100644
--- a/Doc/library/contextlib.rst
+++ b/Doc/library/contextlib.rst
@@ -172,6 +172,16 @@ Functions and classes provided:
    .. versionadded:: 3.4
 
 
+.. function:: redirect_stderr(new_target)
+
+   Similar to :func:`~contextlib.redirect_stdout` but redirecting
+   :data:`sys.stderr` to another file or file-like object.
+
+   This context manager is :ref:`reentrant <reentrant-cms>`.
+
+   .. versionadded:: 3.5
+
+
 .. class:: ContextDecorator()
 
    A base class that enables a context manager to also be used as a decorator.
diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index 9f7b58a..325a421 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -5,6 +5,7 @@
    :synopsis: Write and read tabular data to and from delimited files.
 .. sectionauthor:: Skip Montanaro <skip@pobox.com>
 
+**Source code:** :source:`Lib/csv.py`
 
 .. index::
    single: csv
@@ -418,7 +419,7 @@ Writer Objects
 
 :class:`Writer` objects (:class:`DictWriter` instances and objects returned by
 the :func:`writer` function) have the following public methods.  A *row* must be
-a sequence of strings or numbers for :class:`Writer` objects and a dictionary
+an iterable of strings or numbers for :class:`Writer` objects and a dictionary
 mapping fieldnames to strings or numbers (by passing them through :func:`str`
 first) for :class:`DictWriter` objects.  Note that complex numbers are written
 out surrounded by parens. This may cause some problems for other programs which
@@ -430,6 +431,8 @@ read CSV files (assuming they support complex numbers at all).
    Write the *row* parameter to the writer's file object, formatted according to
    the current dialect.
 
+   .. versionchanged:: 3.5
+      Added support of arbitrary iterables.
 
 .. method:: csvwriter.writerows(rows)
 
diff --git a/Doc/library/curses.rst b/Doc/library/curses.rst
index f3e60b4..e8dfd83 100644
--- a/Doc/library/curses.rst
+++ b/Doc/library/curses.rst
@@ -599,6 +599,13 @@ The module :mod:`curses` defines the following functions:
       Only one *ch* can be pushed before :meth:`getch` is called.
 
 
+.. function:: update_lines_cols()
+
+   Update :envvar:`LINES` and :envvar:`COLS`. Useful for detecting manual screen resize.
+
+   .. versionadded:: 3.5
+
+
 .. function:: unget_wch(ch)
 
    Push *ch* so the next :meth:`get_wch` will return it.
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
index 7dd8613..f82f425 100644
--- a/Doc/library/datetime.rst
+++ b/Doc/library/datetime.rst
@@ -7,6 +7,8 @@
 .. sectionauthor:: Tim Peters <tim@zope.com>
 .. sectionauthor:: A.M. Kuchling <amk@amk.ca>
 
+**Source code:** :source:`Lib/datetime.py`
+
 .. XXX what order should the types be discussed in?
 
 The :mod:`datetime` module supplies classes for manipulating dates and times in
@@ -757,13 +759,19 @@ Other constructors, all class methods:
    :attr:`tzinfo` ``None``. This may raise :exc:`OverflowError`, if the timestamp is
    out of the range of values supported by the platform C :c:func:`gmtime` function,
    and :exc:`OSError` on :c:func:`gmtime` failure.
-   It's common for this to be restricted to years in 1970 through 2038. See also
-   :meth:`fromtimestamp`.
+   It's common for this to be restricted to years in 1970 through 2038.
+
+   To get an aware :class:`.datetime` object, call :meth:`fromtimestamp`::
+
+     datetime.fromtimestamp(timestamp, timezone.utc)
+
+   On the POSIX compliant platforms, it is equivalent to the following
+   expression::
 
-   On the POSIX compliant platforms, ``utcfromtimestamp(timestamp)``
-   is equivalent to the following expression::
+     datetime(1970, 1, 1, tzinfo=timezone.utc) + timedelta(seconds=timestamp)
 
-     datetime(1970, 1, 1) + timedelta(seconds=timestamp)
+   except the latter formula always supports the full years range: between
+   :const:`MINYEAR` and :const:`MAXYEAR` inclusive.
 
    .. versionchanged:: 3.3
       Raise :exc:`OverflowError` instead of :exc:`ValueError` if the timestamp
@@ -1376,10 +1384,13 @@ Supported operations:
 
 * efficient pickling
 
-* in Boolean contexts, a :class:`.time` object is considered to be true if and
-  only if, after converting it to minutes and subtracting :meth:`utcoffset` (or
-  ``0`` if that's ``None``), the result is non-zero.
+In boolean contexts, a :class:`.time` object is always considered to be true.
 
+.. versionchanged:: 3.5
+   Before Python 3.5, a :class:`.time` object was considered to be false if it
+   represented midnight in UTC.  This behavior was considered obscure and
+   error-prone and has been removed in Python 3.5.  See :issue:`13936` for full
+   details.
 
 Instance methods:
 
diff --git a/Doc/library/dbm.rst b/Doc/library/dbm.rst
index e6a82d6..3f3c43d 100644
--- a/Doc/library/dbm.rst
+++ b/Doc/library/dbm.rst
@@ -325,13 +325,18 @@ The module defines the following:
    dumbdbm database is created, files with :file:`.dat` and :file:`.dir` extensions
    are created.
 
-   The optional *flag* argument is currently ignored; the database is always opened
-   for update, and will be created if it does not exist.
+   The optional *flag* argument supports only the semantics of ``'c'``
+   and ``'n'`` values.  Other values will default to database being always
+   opened for update, and will be created if it does not exist.
 
    The optional *mode* argument is the Unix mode of the file, used only when the
    database has to be created.  It defaults to octal ``0o666`` (and will be modified
    by the prevailing umask).
 
+   .. versionchanged:: 3.5
+      :func:`.open` always creates a new database when the flag has the value
+      ``'n'``.
+
    In addition to the methods provided by the
    :class:`collections.abc.MutableMapping` class, :class:`dumbdbm` objects
    provide the following methods:
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst
index 759be70..5d7ffff 100644
--- a/Doc/library/decimal.rst
+++ b/Doc/library/decimal.rst
@@ -12,6 +12,8 @@
 .. moduleauthor:: Stefan Krah <skrah at bytereef.org>
 .. sectionauthor:: Raymond D. Hettinger <python at rcn.com>
 
+**Source code:** :source:`Lib/decimal.py`
+
 .. import modules for testing inline doctests with the Sphinx doctest builder
 .. testsetup:: *
 
@@ -742,7 +744,7 @@ Decimal objects
       * ``"NaN"``, indicating that the operand is a quiet NaN (Not a Number).
       * ``"sNaN"``, indicating that the operand is a signaling NaN.
 
-   .. method:: quantize(exp, rounding=None, context=None, watchexp=True)
+   .. method:: quantize(exp, rounding=None, context=None)
 
       Return a value equal to the first operand after rounding and having the
       exponent of the second operand.
@@ -765,14 +767,8 @@ Decimal objects
       ``context`` argument; if neither argument is given the rounding mode of
       the current thread's context is used.
 
-      If *watchexp* is set (default), then an error is returned whenever the
-      resulting exponent is greater than :attr:`Emax` or less than
-      :attr:`Etiny`.
-
-      .. deprecated:: 3.3
-         *watchexp* is an implementation detail from the pure Python version
-         and is not present in the C version. It will be removed in version
-         3.4, where it defaults to ``True``.
+      An error is returned whenever the resulting exponent is greater than
+      :attr:`Emax` or less than :attr:`Etiny`.
 
    .. method:: radix()
 
@@ -2092,4 +2088,3 @@ Alternatively, inputs can be rounded upon creation using the
 
    >>> Context(prec=5, rounding=ROUND_DOWN).create_decimal('1.2345678')
    Decimal('1.2345')
-
diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst
index 5f72ea6..efaac7a 100644
--- a/Doc/library/difflib.rst
+++ b/Doc/library/difflib.rst
@@ -7,6 +7,8 @@
 .. sectionauthor:: Tim Peters <tim_one@users.sourceforge.net>
 .. Markup by Fred L. Drake, Jr. <fdrake@acm.org>
 
+**Source code:** :source:`Lib/difflib.py`
+
 .. testsetup::
 
    import sys
@@ -25,7 +27,9 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
    little fancier than, an algorithm published in the late 1980's by Ratcliff and
    Obershelp under the hyperbolic name "gestalt pattern matching."  The idea is to
    find the longest contiguous matching subsequence that contains no "junk"
-   elements (the Ratcliff and Obershelp algorithm doesn't address junk).  The same
+   elements; these "junk" elements are ones that are uninteresting in some
+   sense, such as blank lines or whitespace.  (Handling junk is an
+   extension to the Ratcliff and Obershelp algorithm.) The same
    idea is then applied recursively to the pieces of the sequences to the left and
    to the right of the matching subsequence.  This does not yield minimal edit
    sequences, but does tend to yield matches that "look right" to people.
@@ -100,7 +104,8 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
 
    The following methods are public:
 
-   .. method:: make_file(fromlines, tolines, fromdesc='', todesc='', context=False, numlines=5)
+   .. method:: make_file(fromlines, tolines, fromdesc='', todesc='', context=False, \
+                         numlines=5, *, charset='utf-8')
 
       Compares *fromlines* and *tolines* (lists of strings) and returns a string which
       is a complete HTML file containing a table showing line by line differences with
@@ -119,6 +124,10 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
       the next difference highlight at the top of the browser without any leading
       context).
 
+      .. versionchanged:: 3.5
+         *charset* keyword-only argument was added.  The default charset of
+         HTML document changed from ``'ISO-8859-1'`` to ``'utf-8'``.
+
    .. method:: make_table(fromlines, tolines, fromdesc='', todesc='', context=False, numlines=5)
 
       Compares *fromlines* and *tolines* (lists of strings) and returns a string which
@@ -208,7 +217,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
    Compare *a* and *b* (lists of strings); return a :class:`Differ`\ -style
    delta (a :term:`generator` generating the delta lines).
 
-   Optional keyword parameters *linejunk* and *charjunk* are for filter functions
+   Optional keyword parameters *linejunk* and *charjunk* are filtering functions
    (or ``None``):
 
    *linejunk*: A function that accepts a single string argument, and returns
@@ -222,7 +231,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
    *charjunk*: A function that accepts a character (a string of length 1), and
    returns if the character is junk, or false if not. The default is module-level
    function :func:`IS_CHARACTER_JUNK`, which filters out whitespace characters (a
-   blank or tab; note: bad idea to include newline in this!).
+   blank or tab; it's a bad idea to include newline in this!).
 
    :file:`Tools/scripts/ndiff.py` is a command-line front-end to this function.
 
@@ -306,6 +315,21 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
 
    See :ref:`difflib-interface` for a more detailed example.
 
+.. function:: diff_bytes(dfunc, a, b, fromfile=b'', tofile=b'', fromfiledate=b'', tofiledate=b'', n=3, lineterm=b'\\n')
+
+   Compare *a* and *b* (lists of bytes objects) using *dfunc*; yield a
+   sequence of delta lines (also bytes) in the format returned by *dfunc*.
+   *dfunc* must be a callable, typically either :func:`unified_diff` or
+   :func:`context_diff`.
+
+   Allows you to compare data with unknown or inconsistent encoding. All
+   inputs except *n* must be bytes objects, not str. Works by losslessly
+   converting all inputs (except *n*) to str, and calling ``dfunc(a, b,
+   fromfile, tofile, fromfiledate, tofiledate, n, lineterm)``. The output of
+   *dfunc* is then converted back to bytes, so the delta lines that you
+   receive have the same unknown/inconsistent encodings as *a* and *b*.
+
+   .. versionadded:: 3.5
 
 .. function:: IS_LINE_JUNK(line)
 
@@ -622,6 +646,12 @@ The :class:`Differ` class has this constructor:
    length 1), and returns true if the character is junk. The default is ``None``,
    meaning that no character is considered junk.
 
+   These junk-filtering functions speed up matching to find
+   differences and do not cause any differing lines or characters to
+   be ignored.  Read the description of the
+   :meth:`~SequenceMatcher.find_longest_match` method's *isjunk*
+   parameter for an explanation.
+
    :class:`Differ` objects are used (deltas generated) via a single method:
 
 
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index b816dcc..b00d619 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -48,8 +48,9 @@ code.
 
 .. class:: Bytecode(x, *, first_line=None, current_offset=None)
 
-   Analyse the bytecode corresponding to a function, method, string of source
-   code, or a code object (as returned by :func:`compile`).
+
+   Analyse the bytecode corresponding to a function, generator, method, string
+   of source code, or a code object (as returned by :func:`compile`).
 
    This is a convenience wrapper around many of the functions listed below, most
    notably :func:`get_instructions`, as iterating over a :class:`Bytecode`
@@ -109,7 +110,7 @@ operation is being performed, so the intermediate analysis object isn't useful:
 .. function:: code_info(x)
 
    Return a formatted multi-line string with detailed code object information
-   for the supplied function, method, source code string or code object.
+   for the supplied function, generator, method, source code string or code object.
 
    Note that the exact contents of code info strings are highly implementation
    dependent and they may change arbitrarily across Python VMs or Python
@@ -136,11 +137,11 @@ operation is being performed, so the intermediate analysis object isn't useful:
 .. function:: dis(x=None, *, file=None)
 
    Disassemble the *x* object.  *x* can denote either a module, a class, a
-   method, a function, a code object, a string of source code or a byte sequence
-   of raw bytecode.  For a module, it disassembles all functions.  For a class,
-   it disassembles all methods.  For a code object or sequence of raw bytecode,
-   it prints one line per bytecode instruction.  Strings are first compiled to
-   code objects with the :func:`compile` built-in function before being
+   method, a function, a generator, a code object, a string of source code or
+   a byte sequence of raw bytecode.  For a module, it disassembles all functions.
+   For a class, it disassembles all methods.  For a code object or sequence of
+   raw bytecode, it prints one line per bytecode instruction.  Strings are first
+   compiled to code objects with the :func:`compile` built-in function before being
    disassembled.  If no object is provided, this function disassembles the last
    traceback.
 
@@ -361,6 +362,13 @@ result back on the stack.
    Implements ``TOS = TOS1 * TOS``.
 
 
+.. opcode:: BINARY_MATRIX_MULTIPLY
+
+   Implements ``TOS = TOS1 @ TOS``.
+
+   .. versionadded:: 3.5
+
+
 .. opcode:: BINARY_FLOOR_DIVIDE
 
    Implements ``TOS = TOS1 // TOS``.
@@ -433,6 +441,13 @@ the original TOS1.
    Implements in-place ``TOS = TOS1 * TOS``.
 
 
+.. opcode:: INPLACE_MATRIX_MULTIPLY
+
+   Implements in-place ``TOS = TOS1 @ TOS``.
+
+   .. versionadded:: 3.5
+
+
 .. opcode:: INPLACE_FLOOR_DIVIDE
 
    Implements in-place ``TOS = TOS1 // TOS``.
diff --git a/Doc/library/distribution.rst b/Doc/library/distribution.rst
index c4954d1..3e6e84b 100644
--- a/Doc/library/distribution.rst
+++ b/Doc/library/distribution.rst
@@ -12,3 +12,4 @@ with a local index server, or without any index server at all.
    distutils.rst
    ensurepip.rst
    venv.rst
+   zipapp.rst
diff --git a/Doc/library/doctest.rst b/Doc/library/doctest.rst
index 2e372de..9aa9ea6 100644
--- a/Doc/library/doctest.rst
+++ b/Doc/library/doctest.rst
@@ -1058,15 +1058,9 @@ from text files and modules with doctests:
 
    This function uses the same search technique as :func:`testmod`.
 
-   .. note::
-      Unlike :func:`testmod` and :class:`DocTestFinder`, this function raises
-      a :exc:`ValueError` if *module* contains no docstrings.  You can prevent
-      this error by passing a :class:`DocTestFinder` instance as the
-      *test_finder* argument with its *exclude_empty* keyword argument set
-      to ``False``::
-
-         >>> finder = doctest.DocTestFinder(exclude_empty=False)
-         >>> suite = doctest.DocTestSuite(test_finder=finder)
+   .. versionchanged:: 3.5
+      :func:`DocTestSuite` returns an empty :class:`unittest.TestSuite` if *module*
+      contains no docstrings instead of raising :exc:`ValueError`.
 
 
 Under the covers, :func:`DocTestSuite` creates a :class:`unittest.TestSuite` out
diff --git a/Doc/library/email.mime.rst b/Doc/library/email.mime.rst
index 1d70225..67d0a67 100644
--- a/Doc/library/email.mime.rst
+++ b/Doc/library/email.mime.rst
@@ -195,7 +195,8 @@ Here are the classes:
    set of the text and is passed as an argument to the
    :class:`~email.mime.nonmultipart.MIMENonMultipart` constructor; it defaults
    to ``us-ascii`` if the string contains only ``ascii`` code points, and
-   ``utf-8`` otherwise.
+   ``utf-8`` otherwise.  The *_charset* parameter accepts either a string or a
+   :class:`~email.charset.Charset` instance.
 
    Unless the *_charset* argument is explicitly set to ``None``, the
    MIMEText object created will have both a :mailheader:`Content-Type` header
@@ -206,3 +207,6 @@ Here are the classes:
    ``Content-Transfer-Encoding`` header, after which a ``set_payload`` call
    will automatically encode the new payload (and add a new
    :mailheader:`Content-Transfer-Encoding` header).
+
+   .. versionchanged:: 3.5
+      *_charset* also accepts :class:`~email.charset.Charset` instances.
diff --git a/Doc/library/enum.rst b/Doc/library/enum.rst
index cf09559..d3b838c 100644
--- a/Doc/library/enum.rst
+++ b/Doc/library/enum.rst
@@ -314,11 +314,11 @@ Then::
     >>> str(Mood.funky)
     'my custom str! 1'
 
-The rules for what is allowed are as follows: _sunder_ names (starting and
-ending with a single underscore) are reserved by enum and cannot be used;
-all other attributes defined within an enumeration will become members of this
-enumeration, with the exception of *__dunder__* names and descriptors (methods
-are also descriptors).
+The rules for what is allowed are as follows: names that start and end with a
+with a single underscore are reserved by enum and cannot be used; all other
+attributes defined within an enumeration will become members of this
+enumeration, with the exception of special methods (:meth:`__str__`,
+:meth:`__add__`, etc.) and descriptors (methods are also descriptors).
 
 Note:  if your enumeration defines :meth:`__new__` and/or :meth:`__init__` then
 whatever value(s) were given to the enum member will be passed into those
@@ -400,7 +400,8 @@ The second argument is the *source* of enumeration member names.  It can be a
 whitespace-separated string of names, a sequence of names, a sequence of
 2-tuples with key/value pairs, or a mapping (e.g. dictionary) of names to
 values.  The last two options enable assigning arbitrary values to
-enumerations; the others auto-assign increasing integers starting with 1.  A
+enumerations; the others auto-assign increasing integers starting with 1 (use
+the ``start`` parameter to specify a different starting value).  A
 new class derived from :class:`Enum` is returned.  In other words, the above
 assignment to :class:`Animal` is equivalent to::
 
@@ -438,12 +439,12 @@ SomeData in the global scope::
 
 The complete signature is::
 
-    Enum(value='NewEnumName', names=<...>, *, module='...', qualname='...', type=<mixed-in class>)
+    Enum(value='NewEnumName', names=<...>, *, module='...', qualname='...', type=<mixed-in class>, start=1)
 
 :value: What the new Enum class will record as its name.
 
 :names: The Enum members.  This can be a whitespace or comma separated string
-  (values will start at 1)::
+  (values will start at 1 unless otherwise specified)::
 
     'red green blue' | 'red,green,blue' | 'red, green, blue'
 
@@ -465,6 +466,11 @@ The complete signature is::
 
 :type: type to mix in to new Enum class.
 
+:start: number to start counting at if only names are passed in
+
+.. versionchanged:: 3.5
+   The *start* parameter was added.
+
 
 Derived Enumerations
 --------------------
diff --git a/Doc/library/errno.rst b/Doc/library/errno.rst
index d2163b6..22a5cbc 100644
--- a/Doc/library/errno.rst
+++ b/Doc/library/errno.rst
@@ -41,7 +41,10 @@ defined by the module.  The specific list of defined symbols is available as
 
 .. data:: EINTR
 
-   Interrupted system call
+   Interrupted system call.
+
+   .. seealso::
+      This error is mapped to the exception :exc:`InterruptedError`.
 
 
 .. data:: EIO
diff --git a/Doc/library/exceptions.rst b/Doc/library/exceptions.rst
index 271a5c8..bddd0ed 100644
--- a/Doc/library/exceptions.rst
+++ b/Doc/library/exceptions.rst
@@ -536,7 +536,12 @@ depending on the system error code.
 .. exception:: InterruptedError
 
    Raised when a system call is interrupted by an incoming signal.
-   Corresponds to :c:data:`errno` ``EINTR``.
+   Corresponds to :c:data:`errno` :py:data:`~errno.EINTR`.
+
+   .. versionchanged:: 3.5
+      Python now retries system calls when a syscall is interrupted by a
+      signal, except if the signal handler raises an exception (see :pep:`475`
+      for the rationale), instead of raising :exc:`InterruptedError`.
 
 .. exception:: IsADirectoryError
 
diff --git a/Doc/library/faulthandler.rst b/Doc/library/faulthandler.rst
index eb2016a..3a5badd 100644
--- a/Doc/library/faulthandler.rst
+++ b/Doc/library/faulthandler.rst
@@ -47,6 +47,9 @@ Dumping the traceback
    Dump the tracebacks of all threads into *file*. If *all_threads* is
    ``False``, dump only the current thread.
 
+   .. versionchanged:: 3.5
+      Added support for passing file descriptor to this function.
+
 
 Fault handler state
 -------------------
@@ -59,6 +62,12 @@ Fault handler state
    produce tracebacks for every running thread. Otherwise, dump only the current
    thread.
 
+   The *file* must be kept open until the fault handler is disabled: see
+   :ref:`issue with file descriptors <faulthandler-fd>`.
+
+   .. versionchanged:: 3.5
+      Added support for passing file descriptor to this function.
+
 .. function:: disable()
 
    Disable the fault handler: uninstall the signal handlers installed by
@@ -82,9 +91,16 @@ Dumping the tracebacks after a timeout
    call replaces previous parameters and resets the timeout. The timer has a
    sub-second resolution.
 
+   The *file* must be kept open until the traceback is dumped or
+   :func:`cancel_dump_traceback_later` is called: see :ref:`issue with file
+   descriptors <faulthandler-fd>`.
+
    This function is implemented using a watchdog thread and therefore is not
    available if Python is compiled with threads disabled.
 
+   .. versionchanged:: 3.5
+      Added support for passing file descriptor to this function.
+
 .. function:: cancel_dump_traceback_later()
 
    Cancel the last call to :func:`dump_traceback_later`.
@@ -99,8 +115,14 @@ Dumping the traceback on a user signal
    the traceback of all threads, or of the current thread if *all_threads* is
    ``False``, into *file*. Call the previous handler if chain is ``True``.
 
+   The *file* must be kept open until the signal is unregistered by
+   :func:`unregister`: see :ref:`issue with file descriptors <faulthandler-fd>`.
+
    Not available on Windows.
 
+   .. versionchanged:: 3.5
+      Added support for passing file descriptor to this function.
+
 .. function:: unregister(signum)
 
    Unregister a user signal: uninstall the handler of the *signum* signal
@@ -110,6 +132,8 @@ Dumping the traceback on a user signal
    Not available on Windows.
 
 
+.. _faulthandler-fd:
+
 Issue with file descriptors
 ---------------------------
 
diff --git a/Doc/library/fcntl.rst b/Doc/library/fcntl.rst
index 8e932fb..432140f 100644
--- a/Doc/library/fcntl.rst
+++ b/Doc/library/fcntl.rst
@@ -28,41 +28,41 @@ descriptor.
 The module defines the following functions:
 
 
-.. function:: fcntl(fd, op[, arg])
+.. function:: fcntl(fd, cmd, arg=0)
 
-   Perform the operation *op* on file descriptor *fd* (file objects providing
+   Perform the operation *cmd* on file descriptor *fd* (file objects providing
    a :meth:`~io.IOBase.fileno` method are accepted as well).  The values used
-   for *op* are operating system dependent, and are available as constants
+   for *cmd* are operating system dependent, and are available as constants
    in the :mod:`fcntl` module, using the same names as used in the relevant C
-   header files.  The argument *arg* is optional, and defaults to the integer
-   value ``0``.  When present, it can either be an integer value, or a string.
-   With the argument missing or an integer value, the return value of this function
-   is the integer return value of the C :c:func:`fcntl` call.  When the argument is
-   a string it represents a binary structure, e.g. created by :func:`struct.pack`.
-   The binary data is copied to a buffer whose address is passed to the C
-   :c:func:`fcntl` call.  The return value after a successful call is the contents
-   of the buffer, converted to a string object.  The length of the returned string
-   will be the same as the length of the *arg* argument.  This is limited to 1024
-   bytes.  If the information returned in the buffer by the operating system is
-   larger than 1024 bytes, this is most likely to result in a segmentation
-   violation or a more subtle data corruption.
+   header files. The argument *arg* can either be an integer value, or a
+   :class:`bytes` object. With an integer value, the return value of this
+   function is the integer return value of the C :c:func:`fcntl` call.  When
+   the argument is bytes it represents a binary structure, e.g. created by
+   :func:`struct.pack`. The binary data is copied to a buffer whose address is
+   passed to the C :c:func:`fcntl` call.  The return value after a successful
+   call is the contents of the buffer, converted to a :class:`bytes` object.
+   The length of the returned object will be the same as the length of the
+   *arg* argument. This is limited to 1024 bytes. If the information returned
+   in the buffer by the operating system is larger than 1024 bytes, this is
+   most likely to result in a segmentation violation or a more subtle data
+   corruption.
 
    If the :c:func:`fcntl` fails, an :exc:`OSError` is raised.
 
 
-.. function:: ioctl(fd, op[, arg[, mutate_flag]])
+.. function:: ioctl(fd, request, arg=0, mutate_flag=True)
 
    This function is identical to the :func:`~fcntl.fcntl` function, except
    that the argument handling is even more complicated.
 
-   The op parameter is limited to values that can fit in 32-bits.
-   Additional constants of interest for use as the *op* argument can be
+   The *request* parameter is limited to values that can fit in 32-bits.
+   Additional constants of interest for use as the *request* argument can be
    found in the :mod:`termios` module, under the same names as used in
    the relevant C header files.
 
-   The parameter *arg* can be one of an integer, absent (treated identically to the
-   integer ``0``), an object supporting the read-only buffer interface (most likely
-   a plain Python string) or an object supporting the read-write buffer interface.
+   The parameter *arg* can be one of an integer, an object supporting the
+   read-only buffer interface (like :class:`bytes`) or an object supporting
+   the read-write buffer interface (like :class:`bytearray`).
 
    In all but the last case, behaviour is as for the :func:`~fcntl.fcntl`
    function.
@@ -72,7 +72,7 @@ The module defines the following functions:
 
    If it is false, the buffer's mutability is ignored and behaviour is as for a
    read-only buffer, except that the 1024 byte limit mentioned above is avoided --
-   so long as the buffer you pass is as least as long as what the operating system
+   so long as the buffer you pass is at least as long as what the operating system
    wants to put there, things should work.
 
    If *mutate_flag* is true (the default), then the buffer is (in effect) passed
@@ -97,25 +97,25 @@ The module defines the following functions:
       array('h', [13341])
 
 
-.. function:: flock(fd, op)
+.. function:: flock(fd, operation)
 
-   Perform the lock operation *op* on file descriptor *fd* (file objects providing
+   Perform the lock operation *operation* on file descriptor *fd* (file objects providing
    a :meth:`~io.IOBase.fileno` method are accepted as well). See the Unix manual
    :manpage:`flock(2)` for details.  (On some systems, this function is emulated
    using :c:func:`fcntl`.)
 
 
-.. function:: lockf(fd, operation, [length, [start, [whence]]])
+.. function:: lockf(fd, cmd, len=0, start=0, whence=0)
 
    This is essentially a wrapper around the :func:`~fcntl.fcntl` locking calls.
-   *fd* is the file descriptor of the file to lock or unlock, and *operation*
+   *fd* is the file descriptor of the file to lock or unlock, and *cmd*
    is one of the following values:
 
    * :const:`LOCK_UN` -- unlock
    * :const:`LOCK_SH` -- acquire a shared lock
    * :const:`LOCK_EX` -- acquire an exclusive lock
 
-   When *operation* is :const:`LOCK_SH` or :const:`LOCK_EX`, it can also be
+   When *cmd* is :const:`LOCK_SH` or :const:`LOCK_EX`, it can also be
    bitwise ORed with :const:`LOCK_NB` to avoid blocking on lock acquisition.
    If :const:`LOCK_NB` is used and the lock cannot be acquired, an
    :exc:`OSError` will be raised and the exception will have an *errno*
@@ -124,7 +124,7 @@ The module defines the following functions:
    systems, :const:`LOCK_EX` can only be used if the file descriptor refers to a
    file opened for writing.
 
-   *length* is the number of bytes to lock, *start* is the byte offset at
+   *len* is the number of bytes to lock, *start* is the byte offset at
    which the lock starts, relative to *whence*, and *whence* is as with
    :func:`io.IOBase.seek`, specifically:
 
@@ -133,7 +133,7 @@ The module defines the following functions:
    * :const:`2` -- relative to the end of the file (:data:`os.SEEK_END`)
 
    The default for *start* is 0, which means to start at the beginning of the file.
-   The default for *length* is 0 which means to lock to the end of the file.  The
+   The default for *len* is 0 which means to lock to the end of the file.  The
    default for *whence* is also 0.
 
 Examples (all on a SVR4 compliant system)::
@@ -147,9 +147,9 @@ Examples (all on a SVR4 compliant system)::
    rv = fcntl.fcntl(f, fcntl.F_SETLKW, lockdata)
 
 Note that in the first example the return value variable *rv* will hold an
-integer value; in the second example it will hold a string value.  The structure
-lay-out for the *lockdata* variable is system dependent --- therefore using the
-:func:`flock` call may be better.
+integer value; in the second example it will hold a :class:`bytes` object.  The
+structure lay-out for the *lockdata* variable is system dependent --- therefore
+using the :func:`flock` call may be better.
 
 
 .. seealso::
diff --git a/Doc/library/formatter.rst b/Doc/library/formatter.rst
index 1847a80..a515f74 100644
--- a/Doc/library/formatter.rst
+++ b/Doc/library/formatter.rst
@@ -5,7 +5,7 @@
    :synopsis: Generic output formatter and device interface.
    :deprecated:
 
-.. deprecated:: 3.4
+.. deprecated-removed:: 3.4 3.6
    Due to lack of usage, the formatter module has been deprecated and is slated
    for removal in Python 3.6.
 
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index d9e5cfb..e982ceb 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -156,11 +156,12 @@ are always available.  They are listed here in alphabetical order.
 
 .. function:: chr(i)
 
-   Return the string representing a character whose Unicode code point is the integer
-   *i*.  For example, ``chr(97)`` returns the string ``'a'``. This is the
-   inverse of :func:`ord`.  The valid range for the argument is from 0 through
-   1,114,111 (0x10FFFF in base 16).  :exc:`ValueError` will be raised if *i* is
-   outside that range.
+   Return the string representing a character whose Unicode code point is the
+   integer *i*.  For example, ``chr(97)`` returns the string ``'a'``, while
+   ``chr(957)`` returns the string ``'ν'``. This is the inverse of :func:`ord`.
+
+   The valid range for the argument is from 0 through 1,114,111 (0x10FFFF in
+   base 16).  :exc:`ValueError` will be raised if *i* is outside that range.
 
 
 .. function:: classmethod(function)
@@ -972,9 +973,11 @@ are always available.  They are listed here in alphabetical order.
      Characters not supported by the encoding are replaced with the
      appropriate XML character reference ``&#nnn;``.
 
-   * ``'backslashreplace'`` (also only supported when writing)
-     replaces unsupported characters with Python's backslashed escape
-     sequences.
+   * ``'backslashreplace'`` replaces malformed data by Python's backslashed
+     escape sequences.
+
+   * ``'namereplace'`` (also only supported when writing)
+     replaces unsupported characters with ``\N{...}`` escape sequences.
 
    .. index::
       single: universal newlines; open() built-in function
@@ -999,8 +1002,8 @@ are always available.  They are listed here in alphabetical order.
 
    If *closefd* is ``False`` and a file descriptor rather than a filename was
    given, the underlying file descriptor will be kept open when the file is
-   closed.  If a filename is given *closefd* has no effect and must be ``True``
-   (the default).
+   closed.  If a filename is given *closefd* must be ``True`` (the default)
+   otherwise an error will be raised.
 
    A custom opener can be used by passing a callable as *opener*. The underlying
    file descriptor for the file object is then obtained by calling *opener* with
@@ -1062,14 +1065,18 @@ are always available.  They are listed here in alphabetical order.
 
       The ``'U'`` mode.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise an
+      exception, the function now retries the system call instead of raising an
+      :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
-.. XXX works for bytes too, but should it?
 .. function:: ord(c)
 
    Given a string representing one Unicode character, return an integer
-   representing the Unicode code
-   point of that character.  For example, ``ord('a')`` returns the integer ``97``
-   and ``ord('\u2020')`` returns ``8224``.  This is the inverse of :func:`chr`.
+   representing the Unicode code point of that character.  For example,
+   ``ord('a')`` returns the integer ``97`` and ``ord('ν')`` returns ``957``.
+   This is the inverse of :func:`chr`.
 
 
 .. function:: pow(x, y[, z])
@@ -1218,8 +1225,8 @@ are always available.  They are listed here in alphabetical order.
 .. function:: round(number[, ndigits])
 
    Return the floating point value *number* rounded to *ndigits* digits after
-   the decimal point.  If *ndigits* is omitted, it defaults to zero. Delegates
-   to ``number.__round__(ndigits)``.
+   the decimal point.  If *ndigits* is omitted, it returns the nearest integer
+   to its input.  Delegates to ``number.__round__(ndigits)``.
 
    For the built-in types supporting :func:`round`, values are rounded to the
    closest multiple of 10 to the power minus *ndigits*; if two multiples are
diff --git a/Doc/library/gc.rst b/Doc/library/gc.rst
index 8135542..d11c2e1 100644
--- a/Doc/library/gc.rst
+++ b/Doc/library/gc.rst
@@ -186,7 +186,7 @@ values but should not rebind them):
    added to this list rather than freed.
 
    .. versionchanged:: 3.2
-      If this list is non-empty at interpreter shutdown, a
+      If this list is non-empty at :term:`interpreter shutdown`, a
       :exc:`ResourceWarning` is emitted, which is silent by default.  If
       :const:`DEBUG_UNCOLLECTABLE` is set, in addition all uncollectable objects
       are printed.
@@ -252,8 +252,8 @@ The following constants are provided for use with :func:`set_debug`:
    to the ``garbage`` list.
 
    .. versionchanged:: 3.2
-      Also print the contents of the :data:`garbage` list at interpreter
-      shutdown, if it isn't empty.
+      Also print the contents of the :data:`garbage` list at
+      :term:`interpreter shutdown`, if it isn't empty.
 
 .. data:: DEBUG_SAVEALL
 
diff --git a/Doc/library/gettext.rst b/Doc/library/gettext.rst
index ff23b59..514cc5a 100644
--- a/Doc/library/gettext.rst
+++ b/Doc/library/gettext.rst
@@ -344,9 +344,9 @@ will assume message ids as Unicode strings, not byte strings.
 The entire set of key/value pairs are placed into a dictionary and set as the
 "protected" :attr:`_info` instance variable.
 
-If the :file:`.mo` file's magic number is invalid, or if other problems occur
-while reading the file, instantiating a :class:`GNUTranslations` class can raise
-:exc:`OSError`.
+If the :file:`.mo` file's magic number is invalid, the major version number is
+unexpected, or if other problems occur while reading the file, instantiating a
+:class:`GNUTranslations` class can raise :exc:`OSError`.
 
 The following methods are overridden from the base class implementation:
 
diff --git a/Doc/library/glob.rst b/Doc/library/glob.rst
index abcbf38..50f38a4 100644
--- a/Doc/library/glob.rst
+++ b/Doc/library/glob.rst
@@ -29,7 +29,7 @@ For example, ``'[?]'`` matches the character ``'?'``.
    The :mod:`pathlib` module offers high-level path objects.
 
 
-.. function:: glob(pathname)
+.. function:: glob(pathname, *, recursive=False)
 
    Return a possibly-empty list of path names that match *pathname*, which must be
    a string containing a path specification. *pathname* can be either absolute
@@ -37,8 +37,19 @@ For example, ``'[?]'`` matches the character ``'?'``.
    :file:`../../Tools/\*/\*.gif`), and can contain shell-style wildcards. Broken
    symlinks are included in the results (as in the shell).
 
+   If *recursive* is true, the pattern "``**``" will match any files and zero or
+   more directories and subdirectories.  If the pattern is followed by a
+   ``os.sep``, only directories and subdirectories match.
 
-.. function:: iglob(pathname)
+   .. note::
+      Using the "``**``" pattern in large directory trees may consume
+      an inordinate amount of time.
+
+   .. versionchanged:: 3.5
+      Support for recursive globs using "``**``".
+
+
+.. function:: iglob(pathname, recursive=False)
 
    Return an :term:`iterator` which yields the same values as :func:`glob`
    without actually storing them all simultaneously.
@@ -55,8 +66,9 @@ For example, ``'[?]'`` matches the character ``'?'``.
    .. versionadded:: 3.4
 
 
-For example, consider a directory containing only the following files:
-:file:`1.gif`, :file:`2.txt`, and :file:`card.gif`.  :func:`glob` will produce
+For example, consider a directory containing the following files:
+:file:`1.gif`, :file:`2.txt`, :file:`card.gif` and a subdirectory :file:`sub`
+which contains only the file :file:`3.txt`.  :func:`glob` will produce
 the following results.  Notice how any leading components of the path are
 preserved. ::
 
@@ -67,6 +79,10 @@ preserved. ::
    ['1.gif', 'card.gif']
    >>> glob.glob('?.gif')
    ['1.gif']
+   >>> glob.glob('**/*.txt', recursive=True)
+   ['2.txt', 'sub/3.txt']
+   >>> glob.glob('./**/', recursive=True)
+   ['./', './sub/']
 
 If the directory contains files starting with ``.`` they won't be matched by
 default. For example, consider a directory containing :file:`card.gif` and
diff --git a/Doc/library/gzip.rst b/Doc/library/gzip.rst
index 78536fa..04c41d5 100644
--- a/Doc/library/gzip.rst
+++ b/Doc/library/gzip.rst
@@ -90,13 +90,9 @@ The module defines the following items:
    is no compression. The default is ``9``.
 
    The *mtime* argument is an optional numeric timestamp to be written to
-   the stream when compressing.  All :program:`gzip` compressed streams are
-   required to contain a timestamp.  If omitted or ``None``, the current
-   time is used.  This module ignores the timestamp when decompressing;
-   however, some programs, such as :program:`gunzip`\ , make use of it.
-   The format of the timestamp is the same as that of the return value of
-   ``time.time()`` and of the ``st_mtime`` attribute of the object returned
-   by ``os.stat()``.
+   the last modification time field in the stream when compressing.  It
+   should only be provided in compression mode.  If omitted or ``None``, the
+   current time is used.  See the :attr:`mtime` attribute for more details.
 
    Calling a :class:`GzipFile` object's :meth:`close` method does not close
    *fileobj*, since you might wish to append more material after the compressed
@@ -108,9 +104,9 @@ The module defines the following items:
    including iteration and the :keyword:`with` statement.  Only the
    :meth:`truncate` method isn't implemented.
 
-   :class:`GzipFile` also provides the following method:
+   :class:`GzipFile` also provides the following method and attribute:
 
-   .. method:: peek([n])
+   .. method:: peek(n)
 
       Read *n* uncompressed bytes without advancing the file position.
       At most one single read on the compressed stream is done to satisfy
@@ -124,9 +120,21 @@ The module defines the following items:
 
       .. versionadded:: 3.2
 
+   .. attribute:: mtime
+
+      When decompressing, the value of the last modification time field in
+      the most recently read header may be read from this attribute, as an
+      integer.  The initial value before reading any headers is ``None``.
+
+      All :program:`gzip` compressed streams are required to contain this
+      timestamp field.  Some programs, such as :program:`gunzip`\ , make use
+      of the timestamp.  The format is the same as the return value of
+      :func:`time.time` and the :attr:`~os.stat_result.st_mtime` attribute of
+      the object returned by :func:`os.stat`.
+
    .. versionchanged:: 3.1
       Support for the :keyword:`with` statement was added, along with the
-      *mtime* argument.
+      *mtime* constructor argument and :attr:`mtime` attribute.
 
    .. versionchanged:: 3.2
       Support for zero-padded and unseekable files was added.
@@ -137,6 +145,12 @@ The module defines the following items:
    .. versionchanged:: 3.4
       Added support for the ``'x'`` and ``'xb'`` modes.
 
+   .. versionchanged:: 3.5
+      Added support for writing arbitrary
+      :term:`bytes-like objects <bytes-like object>`.
+      The :meth:`~io.BufferedIOBase.read` method now accepts an argument of
+      ``None``.
+
 
 .. function:: compress(data, compresslevel=9)
 
@@ -175,9 +189,10 @@ Example of how to create a compressed GZIP file::
 Example of how to GZIP compress an existing file::
 
    import gzip
+   import shutil
    with open('/home/joe/file.txt', 'rb') as f_in:
        with gzip.open('/home/joe/file.txt.gz', 'wb') as f_out:
-           f_out.writelines(f_in)
+           shutil.copyfileobj(f_in, f_out)
 
 Example of how to GZIP compress a binary string::
 
diff --git a/Doc/library/heapq.rst b/Doc/library/heapq.rst
index f8970be..9fbbcc6 100644
--- a/Doc/library/heapq.rst
+++ b/Doc/library/heapq.rst
@@ -82,7 +82,7 @@ The following functions are provided:
 The module also offers three general purpose functions based on heaps.
 
 
-.. function:: merge(*iterables)
+.. function:: merge(*iterables, key=None, reverse=False)
 
    Merge multiple sorted inputs into a single sorted output (for example, merge
    timestamped entries from multiple log files).  Returns an :term:`iterator`
@@ -92,6 +92,18 @@ The module also offers three general purpose functions based on heaps.
    not pull the data into memory all at once, and assumes that each of the input
    streams is already sorted (smallest to largest).
 
+   Has two optional arguments which must be specified as keyword arguments.
+
+   *key* specifies a :term:`key function` of one argument that is used to
+   extract a comparison key from each input element.  The default value is
+   ``None`` (compare the elements directly).
+
+   *reverse* is a boolean value.  If set to ``True``, then the input elements
+   are merged as if each comparison were reversed.
+
+   .. versionchanged:: 3.5
+      Added the optional *key* and *reverse* parameters.
+
 
 .. function:: nlargest(n, iterable, key=None)
 
diff --git a/Doc/library/html.parser.rst b/Doc/library/html.parser.rst
index 44b7d6e..b84c60b 100644
--- a/Doc/library/html.parser.rst
+++ b/Doc/library/html.parser.rst
@@ -16,21 +16,13 @@
 This module defines a class :class:`HTMLParser` which serves as the basis for
 parsing text files formatted in HTML (HyperText Mark-up Language) and XHTML.
 
-.. class:: HTMLParser(strict=False, *, convert_charrefs=False)
+.. class:: HTMLParser(*, convert_charrefs=True)
 
-   Create a parser instance.
+   Create a parser instance able to parse invalid markup.
 
-   If *convert_charrefs* is ``True`` (default: ``False``), all character
+   If *convert_charrefs* is ``True`` (the default), all character
    references (except the ones in ``script``/``style`` elements) are
    automatically converted to the corresponding Unicode characters.
-   The use of ``convert_charrefs=True`` is encouraged and will become
-   the default in Python 3.5.
-
-   If *strict* is ``False`` (the default), the parser will accept and parse
-   invalid markup.  If *strict* is ``True`` the parser will raise an
-   :exc:`~html.parser.HTMLParseError` exception instead [#]_ when it's not
-   able to parse the markup.  The use of ``strict=True`` is discouraged and
-   the *strict* argument is deprecated.
 
    An :class:`.HTMLParser` instance is fed HTML data and calls handler methods
    when start tags, end tags, text, comments, and other markup elements are
@@ -40,31 +32,11 @@ parsing text files formatted in HTML (HyperText Mark-up Language) and XHTML.
    This parser does not check that end tags match start tags or call the end-tag
    handler for elements which are closed implicitly by closing an outer element.
 
-   .. versionchanged:: 3.2
-      *strict* argument added.
-
-   .. deprecated-removed:: 3.3 3.5
-      The *strict* argument and the strict mode have been deprecated.
-      The parser is now able to accept and parse invalid markup too.
-
    .. versionchanged:: 3.4
       *convert_charrefs* keyword argument added.
 
-An exception is defined as well:
-
-
-.. exception:: HTMLParseError
-
-   Exception raised by the :class:`HTMLParser` class when it encounters an error
-   while parsing and *strict* is ``True``.  This exception provides three
-   attributes: :attr:`msg` is a brief message explaining the error,
-   :attr:`lineno` is the number of the line on which the broken construct was
-   detected, and :attr:`offset` is the number of characters into the line at
-   which the construct starts.
-
-   .. deprecated-removed:: 3.3 3.5
-      This exception has been deprecated because it's never raised by the parser
-      (when the default non-strict mode is used).
+   .. versionchanged:: 3.5
+      The default value for argument *convert_charrefs* is now ``True``.
 
 
 Example HTML Parser Application
@@ -246,8 +218,7 @@ implementations do nothing (except for :meth:`~HTMLParser.handle_startendtag`):
 
    The *data* parameter will be the entire contents of the declaration inside
    the ``<![...]>`` markup.  It is sometimes useful to be overridden by a
-   derived class.  The base class implementation raises an :exc:`HTMLParseError`
-   when *strict* is ``True``.
+   derived class.  The base class implementation does nothing.
 
 
 .. _htmlparser-examples:
@@ -358,9 +329,3 @@ Parsing invalid HTML (e.g. unquoted attributes) also works::
    Data     : tag soup
    End tag  : p
    End tag  : a
-
-.. rubric:: Footnotes
-
-.. [#] For backward compatibility reasons *strict* mode does not raise
-       exceptions for all non-compliant HTML.  That is, some invalid HTML
-       is tolerated even in *strict* mode.
diff --git a/Doc/library/http.client.rst b/Doc/library/http.client.rst
index 6324305..7d160ce 100644
--- a/Doc/library/http.client.rst
+++ b/Doc/library/http.client.rst
@@ -180,6 +180,17 @@ The following exceptions are raised as appropriate:
    is received in the HTTP protocol from the server.
 
 
+.. exception:: RemoteDisconnected
+
+   A subclass of :exc:`ConnectionResetError` and :exc:`BadStatusLine`.  Raised
+   by :meth:`HTTPConnection.getresponse` when the attempt to read the response
+   results in no data read from the connection, indicating that the remote end
+   has closed the connection.
+
+   .. versionadded:: 3.5
+      Previously, :exc:`BadStatusLine`\ ``('')`` was raised.
+
+
 The constants defined in this module are:
 
 .. data:: HTTP_PORT
@@ -191,221 +202,15 @@ The constants defined in this module are:
 
    The default port for the HTTPS protocol (always ``443``).
 
-and also the following constants for integer status codes:
-
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| Constant                                 | Value   | Definition                                                            |
-+==========================================+=========+=======================================================================+
-| :const:`CONTINUE`                        | ``100`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.1.1                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1.1>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`SWITCHING_PROTOCOLS`             | ``101`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.1.2                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1.2>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`PROCESSING`                      | ``102`` | WEBDAV, `RFC 2518, Section 10.1                                       |
-|                                          |         | <http://www.webdav.org/specs/rfc2518.html#STATUS_102>`_               |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`OK`                              | ``200`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.1                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.1>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`CREATED`                         | ``201`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.2                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.2>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`ACCEPTED`                        | ``202`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.3                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.3>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NON_AUTHORITATIVE_INFORMATION`   | ``203`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.4                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.4>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NO_CONTENT`                      | ``204`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.5                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.5>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`RESET_CONTENT`                   | ``205`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.6                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.6>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`PARTIAL_CONTENT`                 | ``206`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.2.7                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.7>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`MULTI_STATUS`                    | ``207`` | WEBDAV `RFC 2518, Section 10.2                                        |
-|                                          |         | <http://www.webdav.org/specs/rfc2518.html#STATUS_207>`_               |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`IM_USED`                         | ``226`` | Delta encoding in HTTP,                                               |
-|                                          |         | :rfc:`3229`, Section 10.4.1                                           |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`MULTIPLE_CHOICES`                | ``300`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.1                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`MOVED_PERMANENTLY`               | ``301`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.2                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`FOUND`                           | ``302`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.3                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.3>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`SEE_OTHER`                       | ``303`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.4                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.4>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NOT_MODIFIED`                    | ``304`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.5                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`USE_PROXY`                       | ``305`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.6                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.6>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`TEMPORARY_REDIRECT`              | ``307`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.3.8                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.8>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`BAD_REQUEST`                     | ``400`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.1                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`UNAUTHORIZED`                    | ``401`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.2                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`PAYMENT_REQUIRED`                | ``402`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.3                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.3>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`FORBIDDEN`                       | ``403`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.4                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.4>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NOT_FOUND`                       | ``404`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.5                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.5>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`METHOD_NOT_ALLOWED`              | ``405`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.6                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.6>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NOT_ACCEPTABLE`                  | ``406`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.7                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.7>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`PROXY_AUTHENTICATION_REQUIRED`   | ``407`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.8                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.8>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`REQUEST_TIMEOUT`                 | ``408`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.9                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.9>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`CONFLICT`                        | ``409`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.10                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.10>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`GONE`                            | ``410`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.11                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.11>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`LENGTH_REQUIRED`                 | ``411`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.12                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.12>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`PRECONDITION_FAILED`             | ``412`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.13                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.13>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`REQUEST_ENTITY_TOO_LARGE`        | ``413`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.14                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.14>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`REQUEST_URI_TOO_LONG`            | ``414`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.15                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.15>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`UNSUPPORTED_MEDIA_TYPE`          | ``415`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.16                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.16>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`REQUESTED_RANGE_NOT_SATISFIABLE` | ``416`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.17                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.17>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`EXPECTATION_FAILED`              | ``417`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.4.18                                                               |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.18>`_ |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`UNPROCESSABLE_ENTITY`            | ``422`` | WEBDAV, `RFC 2518, Section 10.3                                       |
-|                                          |         | <http://www.webdav.org/specs/rfc2518.html#STATUS_422>`_               |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`LOCKED`                          | ``423`` | WEBDAV `RFC 2518, Section 10.4                                        |
-|                                          |         | <http://www.webdav.org/specs/rfc2518.html#STATUS_423>`_               |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`FAILED_DEPENDENCY`               | ``424`` | WEBDAV, `RFC 2518, Section 10.5                                       |
-|                                          |         | <http://www.webdav.org/specs/rfc2518.html#STATUS_424>`_               |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`UPGRADE_REQUIRED`                | ``426`` | HTTP Upgrade to TLS,                                                  |
-|                                          |         | :rfc:`2817`, Section 6                                                |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`PRECONDITION_REQUIRED`           | ``428`` | Additional HTTP Status Codes,                                         |
-|                                          |         | :rfc:`6585`, Section 3                                                |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`TOO_MANY_REQUESTS`               | ``429`` | Additional HTTP Status Codes,                                         |
-|                                          |         | :rfc:`6585`, Section 4                                                |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`REQUEST_HEADER_FIELDS_TOO_LARGE` | ``431`` | Additional HTTP Status Codes,                                         |
-|                                          |         | :rfc:`6585`, Section 5                                                |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`INTERNAL_SERVER_ERROR`           | ``500`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.5.1                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.1>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NOT_IMPLEMENTED`                 | ``501`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.5.2                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.2>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`BAD_GATEWAY`                     | ``502`` | HTTP/1.1 `RFC 2616, Section                                           |
-|                                          |         | 10.5.3                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.3>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`SERVICE_UNAVAILABLE`             | ``503`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.5.4                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.4>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`GATEWAY_TIMEOUT`                 | ``504`` | HTTP/1.1 `RFC 2616, Section                                           |
-|                                          |         | 10.5.5                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.5>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`HTTP_VERSION_NOT_SUPPORTED`      | ``505`` | HTTP/1.1, `RFC 2616, Section                                          |
-|                                          |         | 10.5.6                                                                |
-|                                          |         | <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.6>`_  |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`INSUFFICIENT_STORAGE`            | ``507`` | WEBDAV, `RFC 2518, Section 10.6                                       |
-|                                          |         | <http://www.webdav.org/specs/rfc2518.html#STATUS_507>`_               |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NOT_EXTENDED`                    | ``510`` | An HTTP Extension Framework,                                          |
-|                                          |         | :rfc:`2774`, Section 7                                                |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-| :const:`NETWORK_AUTHENTICATION_REQUIRED` | ``511`` | Additional HTTP Status Codes,                                         |
-|                                          |         | :rfc:`6585`, Section 6                                                |
-+------------------------------------------+---------+-----------------------------------------------------------------------+
-
-.. versionchanged:: 3.3
-   Added codes ``428``, ``429``, ``431`` and ``511`` from :rfc:`6585`.
-
-
 .. data:: responses
 
    This dictionary maps the HTTP 1.1 status codes to the W3C names.
 
    Example: ``http.client.responses[http.client.NOT_FOUND]`` is ``'Not Found'``.
 
+See :ref:`http-status-codes` for a list of HTTP status codes that are
+available in this module as constants.
+
 
 .. _httpconnection-objects:
 
@@ -458,6 +263,11 @@ HTTPConnection Objects
       Note that you must have read the whole response before you can send a new
       request to the server.
 
+   .. versionchanged:: 3.5
+      If a :exc:`ConnectionError` or subclass is raised, the
+      :class:`HTTPConnection` object will be ready to reconnect when
+      a new request is sent.
+
 
 .. method:: HTTPConnection.set_debuglevel(level)
 
@@ -496,7 +306,9 @@ HTTPConnection Objects
 
 .. method:: HTTPConnection.connect()
 
-   Connect to the server specified when the object was created.
+   Connect to the server specified when the object was created.  By default,
+   this is called automatically when making a request if the client does not
+   already have a connection.
 
 
 .. method:: HTTPConnection.close()
diff --git a/Doc/library/http.cookies.rst b/Doc/library/http.cookies.rst
index 646f2e8..7c85d09 100644
--- a/Doc/library/http.cookies.rst
+++ b/Doc/library/http.cookies.rst
@@ -143,26 +143,43 @@ Morsel Objects
 
    The keys are case-insensitive.
 
+   .. versionchanged:: 3.5
+      :meth:`~Morsel.__eq__` now takes :attr:`~Morsel.key` and :attr:`~Morsel.value`
+      into account.
+
 
 .. attribute:: Morsel.value
 
    The value of the cookie.
 
+   .. deprecated:: 3.5
+      assigning to ``value``; use :meth:`~Morsel.set` instead.
+
 
 .. attribute:: Morsel.coded_value
 
    The encoded value of the cookie --- this is what should be sent.
 
+   .. deprecated:: 3.5
+      assigning to ``coded_value``; use :meth:`~Morsel.set` instead.
+
 
 .. attribute:: Morsel.key
 
    The name of the cookie.
 
+   .. deprecated:: 3.5
+      assigning to ``key``; use :meth:`~Morsel.set` instead.
+
 
 .. method:: Morsel.set(key, value, coded_value)
 
    Set the *key*, *value* and *coded_value* attributes.
 
+   .. deprecated:: 3.5
+      The undocumented *LegalChars* parameter is ignored and will be removed in
+      a future version.
+
 
 .. method:: Morsel.isReservedKey(K)
 
@@ -193,6 +210,30 @@ Morsel Objects
    The meaning for *attrs* is the same as in :meth:`output`.
 
 
+.. method:: Morsel.update(values)
+
+   Update the values in the Morsel dictionary with the values in the dictionary
+   *values*.  Raise an error if any of the keys in the *values* dict is not a
+   valid :rfc:`2109` attribute.
+
+   .. versionchanged:: 3.5
+      an error is raised for invalid keys.
+
+
+.. method:: Morsel.copy(value)
+
+   Return a shallow copy of the Morsel object.
+
+   .. versionchanged:: 3.5
+      return a Morsel object instead of a dict.
+
+
+.. method:: Morsel.setdefault(key, value=None)
+
+   Raise an error if key is not a valid :rfc:`2109` attribute, otherwise
+   behave the same as :meth:`dict.setdefault`.
+
+
 .. _cookie-example:
 
 Example
diff --git a/Doc/library/http.rst b/Doc/library/http.rst
index a387a37..b6f2c58 100644
--- a/Doc/library/http.rst
+++ b/Doc/library/http.rst
@@ -1,7 +1,16 @@
 :mod:`http` --- HTTP modules
 ============================
 
-``http`` is a package that collects several modules for working with the
+.. module:: http
+   :synopsis: HTTP status codes and messages
+
+.. index::
+   pair: HTTP; protocol
+   single: HTTP; http (standard module)
+
+**Source code:** :source:`Lib/http/__init__.py`
+
+:mod:`http` is a package that collects several modules for working with the
 HyperText Transfer Protocol:
 
 * :mod:`http.client` is a low-level HTTP protocol client; for high-level URL
@@ -9,3 +18,105 @@ HyperText Transfer Protocol:
 * :mod:`http.server` contains basic HTTP server classes based on :mod:`socketserver`
 * :mod:`http.cookies` has utilities for implementing state management with cookies
 * :mod:`http.cookiejar` provides persistence of cookies
+
+:mod:`http` is also a module that defines a number of HTTP status codes and
+associated messages through the :class:`http.HTTPStatus` enum:
+
+.. class:: HTTPStatus
+
+   .. versionadded:: 3.5
+
+   A subclass of :class:`enum.IntEnum` that defines a set of HTTP status codes,
+   reason phrases and long descriptions written in English.
+
+   Usage::
+
+      >>> from http import HTTPStatus
+      >>> HTTPStatus.OK
+      <HTTPStatus.OK: 200>
+      >>> HTTPStatus.OK == 200
+      True
+      >>> http.HTTPStatus.OK.value
+      200
+      >>> HTTPStatus.OK.phrase
+      'OK'
+      >>> HTTPStatus.OK.description
+      'Request fulfilled, document follows'
+      >>> list(HTTPStatus)
+      [<HTTPStatus.CONTINUE: 100>, <HTTPStatus.SWITCHING_PROTOCOLS: 101>, ...]
+
+.. _http-status-codes:
+
+HTTP status codes
+-----------------
+
+Supported,
+`IANA-registered <http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml>`_
+status codes available in :class:`http.HTTPStatus` are:
+
+======= =================================== ==================================================================
+Code    Enum Name                           Details
+======= =================================== ==================================================================
+``100`` ``CONTINUE``                        HTTP/1.1 :rfc:`7231`, Section 6.2.1
+``101`` ``SWITCHING_PROTOCOLS``             HTTP/1.1 :rfc:`7231`, Section 6.2.2
+``102`` ``PROCESSING``                      WebDAV :rfc:`2518`, Section 10.1
+``200`` ``OK``                              HTTP/1.1 :rfc:`7231`, Section 6.3.1
+``201`` ``CREATED``                         HTTP/1.1 :rfc:`7231`, Section 6.3.2
+``202`` ``ACCEPTED``                        HTTP/1.1 :rfc:`7231`, Section 6.3.3
+``203`` ``NON_AUTHORITATIVE_INFORMATION``   HTTP/1.1 :rfc:`7231`, Section 6.3.4
+``204`` ``NO_CONTENT``                      HTTP/1.1 :rfc:`7231`, Section 6.3.5
+``205`` ``RESET_CONTENT``                   HTTP/1.1 :rfc:`7231`, Section 6.3.6
+``206`` ``PARTIAL_CONTENT``                 HTTP/1.1 :rfc:`7233`, Section 4.1
+``207`` ``MULTI_STATUS``                    WebDAV :rfc:`4918`, Section 11.1
+``208`` ``ALREADY_REPORTED``                WebDAV Binding Extensions :rfc:`5842`, Section 7.1 (Experimental)
+``226`` ``IM_USED``                         Delta Encoding in HTTP :rfc:`3229`, Section 10.4.1
+``300`` ``MULTIPLE_CHOICES``                HTTP/1.1 :rfc:`7231`, Section 6.4.1
+``301`` ``MOVED_PERMANENTLY``               HTTP/1.1 :rfc:`7231`, Section 6.4.2
+``302`` ``FOUND``                           HTTP/1.1 :rfc:`7231`, Section 6.4.3
+``303`` ``SEE_OTHER``                       HTTP/1.1 :rfc:`7231`, Section 6.4.4
+``304`` ``NOT_MODIFIED``                    HTTP/1.1 :rfc:`7232`, Section 4.1
+``305`` ``USE_PROXY``                       HTTP/1.1 :rfc:`7231`, Section 6.4.5
+``307`` ``TEMPORARY_REDIRECT``              HTTP/1.1 :rfc:`7231`, Section 6.4.7
+``308`` ``PERMANENT_REDIRECT``              Permanent Redirect :rfc:`7238`, Section 3 (Experimental)
+``400`` ``BAD_REQUEST``                     HTTP/1.1 :rfc:`7231`, Section 6.5.1
+``401`` ``UNAUTHORIZED``                    HTTP/1.1 Authentication :rfc:`7235`, Section 3.1
+``402`` ``PAYMENT_REQUIRED``                HTTP/1.1 :rfc:`7231`, Section 6.5.2
+``403`` ``FORBIDDEN``                       HTTP/1.1 :rfc:`7231`, Section 6.5.3
+``404`` ``NOT_FOUND``                       HTTP/1.1 :rfc:`7231`, Section 6.5.4
+``405`` ``METHOD_NOT_ALLOWED``              HTTP/1.1 :rfc:`7231`, Section 6.5.5
+``406`` ``NOT_ACCEPTABLE``                  HTTP/1.1 :rfc:`7231`, Section 6.5.6
+``407`` ``PROXY_AUTHENTICATION_REQUIRED``   HTTP/1.1 Authentication :rfc:`7235`, Section 3.2
+``408`` ``REQUEST_TIMEOUT``                 HTTP/1.1 :rfc:`7231`, Section 6.5.7
+``409`` ``CONFLICT``                        HTTP/1.1 :rfc:`7231`, Section 6.5.8
+``410`` ``GONE``                            HTTP/1.1 :rfc:`7231`, Section 6.5.9
+``411`` ``LENGTH_REQUIRED``                 HTTP/1.1 :rfc:`7231`, Section 6.5.10
+``412`` ``PRECONDITION_FAILED``             HTTP/1.1 :rfc:`7232`, Section 4.2
+``413`` ``REQUEST_ENTITY_TOO_LARGE``        HTTP/1.1 :rfc:`7231`, Section 6.5.11
+``414`` ``REQUEST_URI_TOO_LONG``            HTTP/1.1 :rfc:`7231`, Section 6.5.12
+``415`` ``UNSUPPORTED_MEDIA_TYPE``          HTTP/1.1 :rfc:`7231`, Section 6.5.13
+``416`` ``REQUEST_RANGE_NOT_SATISFIABLE``   HTTP/1.1 Range Requests :rfc:`7233`, Section 4.4
+``417`` ``EXPECTATION_FAILED``              HTTP/1.1 :rfc:`7231`, Section 6.5.14
+``422`` ``UNPROCESSABLE_ENTITY``            WebDAV :rfc:`4918`, Section 11.2
+``423`` ``LOCKED``                          WebDAV :rfc:`4918`, Section 11.3
+``424`` ``FAILED_DEPENDENCY``               WebDAV :rfc:`4918`, Section 11.4
+``426`` ``UPGRADE_REQUIRED``                HTTP/1.1 :rfc:`7231`, Section 6.5.15
+``428`` ``PRECONDITION_REQUIRED``           Additional HTTP Status Codes :rfc:`6585`
+``429`` ``TOO_MANY_REQUESTS``               Additional HTTP Status Codes :rfc:`6585`
+``431`` ``REQUEST_HEADER_FIELDS_TOO_LARGE`` Additional HTTP Status Codes :rfc:`6585`
+``500`` ``INTERNAL_SERVER_ERROR``           HTTP/1.1 :rfc:`7231`, Section 6.6.1
+``501`` ``NOT_IMPLEMENTED``                 HTTP/1.1 :rfc:`7231`, Section 6.6.2
+``502`` ``BAD_GATEWAY``                     HTTP/1.1 :rfc:`7231`, Section 6.6.3
+``503`` ``SERVICE_UNAVAILABLE``             HTTP/1.1 :rfc:`7231`, Section 6.6.4
+``504`` ``GATEWAY_TIMEOUT``                 HTTP/1.1 :rfc:`7231`, Section 6.6.5
+``505`` ``HTTP_VERSION_NOT_SUPPORTED``      HTTP/1.1 :rfc:`7231`, Section 6.6.6
+``506`` ``VARIANT_ALSO_NEGOTIATES``         Transparent Content Negotiation in HTTP :rfc:`2295`, Section 8.1 (Experimental)
+``507`` ``INSUFFICIENT_STORAGE``            WebDAV :rfc:`4918`, Section 11.5
+``508`` ``LOOP_DETECTED``                   WebDAV Binding Extensions :rfc:`5842`, Section 7.2 (Experimental)
+``510`` ``NOT_EXTENDED``                    An HTTP Extension Framework :rfc:`2774`, Section 7 (Experimental)
+``511`` ``NETWORK_AUTHENTICATION_REQUIRED`` Additional HTTP Status Codes :rfc:`6585`, Section 6
+======= =================================== ==================================================================
+
+In order to preserve backwards compatibility, enum values are also present
+in the :mod:`http.client` module in the form of constants. The enum name is
+equal to the constant name (i.e. ``http.HTTPStatus.OK`` is also available as
+``http.client.OK``).
diff --git a/Doc/library/http.server.rst b/Doc/library/http.server.rst
index a750155..1c3e202 100644
--- a/Doc/library/http.server.rst
+++ b/Doc/library/http.server.rst
@@ -232,7 +232,7 @@ of which this module provides three different variants:
 
    .. method:: send_response_only(code, message=None)
 
-      Sends the reponse header only, used for the purposes when ``100
+      Sends the response header only, used for the purposes when ``100
       Continue`` response is sent by the server to the client. The headers not
       buffered and sent directly the output stream.If the *message* is not
       specified, the HTTP message corresponding the response *code*  is sent.
diff --git a/Doc/library/imaplib.rst b/Doc/library/imaplib.rst
index fa736fe..f263bab 100644
--- a/Doc/library/imaplib.rst
+++ b/Doc/library/imaplib.rst
@@ -37,6 +37,19 @@ base class:
    initialized. If *host* is not specified, ``''`` (the local host) is used. If
    *port* is omitted, the standard IMAP4 port (143) is used.
 
+   The :class:`IMAP4` class supports the :keyword:`with` statement.  When used
+   like this, the IMAP4 ``LOGOUT`` command is issued automatically when the
+   :keyword:`with` statement exits.  E.g.::
+
+    >>> from imaplib import IMAP4
+    >>> with IMAP4("domain.org") as M:
+    ...     M.noop()
+    ...
+    ('OK', [b'Nothing Accomplished. d25if65hy903weo.87'])
+
+   .. versionchanged:: 3.5
+      Support for the :keyword:`with` statement was added.
+
 Three exceptions are defined as attributes of the :class:`IMAP4` class:
 
 
diff --git a/Doc/library/imghdr.rst b/Doc/library/imghdr.rst
index 9e89523..c60df24 100644
--- a/Doc/library/imghdr.rst
+++ b/Doc/library/imghdr.rst
@@ -48,6 +48,16 @@ from :func:`what`:
 +------------+-----------------------------------+
 | ``'png'``  | Portable Network Graphics         |
 +------------+-----------------------------------+
+| ``'webp'`` | WebP files                        |
++------------+-----------------------------------+
+| ``'exr'``  | OpenEXR Files                     |
++------------+-----------------------------------+
+
+.. versionadded:: 3.5
+   The *exr* format was added.
+
+.. versionchanged:: 3.5
+   The *webp* type was added.
 
 You can extend the list of file types :mod:`imghdr` can recognize by appending
 to this variable:
diff --git a/Doc/library/imp.rst b/Doc/library/imp.rst
index c2dbdc5..5557346 100644
--- a/Doc/library/imp.rst
+++ b/Doc/library/imp.rst
@@ -203,11 +203,9 @@ file paths.
    value would be ``/foo/bar/__pycache__/baz.cpython-32.pyc`` for Python 3.2.
    The ``cpython-32`` string comes from the current magic tag (see
    :func:`get_tag`; if :attr:`sys.implementation.cache_tag` is not defined then
-   :exc:`NotImplementedError` will be raised).  The returned path will end in
-   ``.pyc`` when ``__debug__`` is ``True`` or ``.pyo`` for an optimized Python
-   (i.e. ``__debug__`` is ``False``).  By passing in ``True`` or ``False`` for
-   *debug_override* you can override the system's value for ``__debug__`` for
-   extension selection.
+   :exc:`NotImplementedError` will be raised). By passing in ``True`` or
+   ``False`` for *debug_override* you can override the system's value for
+   ``__debug__``, leading to optimized bytecode.
 
    *path* need not exist.
 
@@ -218,6 +216,9 @@ file paths.
    .. deprecated:: 3.4
       Use :func:`importlib.util.cache_from_source` instead.
 
+   .. versionchanged:: 3.5
+      The *debug_override* parameter no longer creates a ``.pyo`` file.
+
 
 .. function:: source_from_cache(path)
 
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index 91328af..82c696d 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -69,6 +69,10 @@ Functions
 
     An implementation of the built-in :func:`__import__` function.
 
+    .. note::
+       Programmatic importing of modules should use :func:`import_module`
+       instead of this function.
+
 .. function:: import_module(name, package=None)
 
     Import a module. The *name* argument specifies what module to
@@ -81,12 +85,15 @@ Functions
 
     The :func:`import_module` function acts as a simplifying wrapper around
     :func:`importlib.__import__`. This means all semantics of the function are
-    derived from :func:`importlib.__import__`, including requiring the package
-    from which an import is occurring to have been previously imported
-    (i.e., *package* must already be imported). The most important difference
-    is that :func:`import_module` returns the specified package or module
-    (e.g. ``pkg.mod``), while :func:`__import__` returns the
-    top-level package or module (e.g. ``pkg``).
+    derived from :func:`importlib.__import__`. The most important difference
+    between these two functions is that :func:`import_module` returns the
+    specified package or module (e.g. ``pkg.mod``), while :func:`__import__`
+    returns the top-level package or module (e.g. ``pkg``).
+
+    If you are dynamically importing a module that was created since the
+    interpreter began execution (e.g., created a Python source file), you may
+    need to call :func:`invalidate_caches` in order for the new module to be
+    noticed by the import system.
 
     .. versionchanged:: 3.3
        Parent packages are automatically imported.
@@ -347,13 +354,16 @@ ABC hierarchy::
 
     .. method:: create_module(spec)
 
-       An optional method that returns the module object to use when
-       importing a module.  create_module() may also return ``None``,
-       indicating that the default module creation should take place
-       instead.
+       A method that returns the module object to use when
+       importing a module.  This method may return ``None``,
+       indicating that default module creation semantics should take place.
 
        .. versionadded:: 3.4
 
+       .. versionchanged:: 3.5
+          Starting in Python 3.6, this method will not be optional when
+          :meth:`exec_module` is defined.
+
     .. method:: exec_module(module)
 
        An abstract method that executes the module in its own namespace
@@ -417,7 +427,7 @@ ABC hierarchy::
 
         .. deprecated:: 3.4
            The recommended API for loading a module is :meth:`exec_module`
-           (and optionally :meth:`create_module`).  Loaders should implement
+           (and :meth:`create_module`).  Loaders should implement
            it instead of load_module().  The import machinery takes care of
            all the other responsibilities of load_module() when exec_module()
            is implemented.
@@ -499,7 +509,7 @@ ABC hierarchy::
         .. versionchanged:: 3.4
            Raises :exc:`ImportError` instead of :exc:`NotImplementedError`.
 
-    .. method:: source_to_code(data, path='<string>')
+    .. staticmethod:: source_to_code(data, path='<string>')
 
         Create a code object from Python source.
 
@@ -508,8 +518,14 @@ ABC hierarchy::
         the "path" to where the source code originated from, which can be an
         abstract concept (e.g. location in a zip file).
 
+        With the subsequent code object one can execute it in a module by
+        running ``exec(code, module.__dict__)``.
+
         .. versionadded:: 3.4
 
+        .. versionchanged:: 3.5
+           Made the method static.
+
     .. method:: exec_module(module)
 
        Implementation of :meth:`Loader.exec_module`.
@@ -695,6 +711,9 @@ find and load modules.
 
    .. versionadded:: 3.3
 
+   .. deprecated:: 3.5
+      Use :attr:`BYTECODE_SUFFIXES` instead.
+
 .. attribute:: OPTIMIZED_BYTECODE_SUFFIXES
 
    A list of strings representing the file suffixes for optimized bytecode
@@ -702,14 +721,19 @@ find and load modules.
 
    .. versionadded:: 3.3
 
+   .. deprecated:: 3.5
+      Use :attr:`BYTECODE_SUFFIXES` instead.
+
 .. attribute:: BYTECODE_SUFFIXES
 
    A list of strings representing the recognized file suffixes for bytecode
-   modules. Set to either :attr:`DEBUG_BYTECODE_SUFFIXES` or
-   :attr:`OPTIMIZED_BYTECODE_SUFFIXES` based on whether ``__debug__`` is true.
+   modules (including the leading dot).
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.5
+      The value is no longer dependent on ``__debug__``.
+
 .. attribute:: EXTENSION_SUFFIXES
 
    A list of strings representing the recognized file suffixes for
@@ -788,6 +812,11 @@ find and load modules.
 
       .. versionadded:: 3.4
 
+      .. versionchanged:: 3.5
+         If the current working directory -- represented by an empty string --
+         is no longer valid then ``None`` is returned but no value is cached
+         in :data:`sys.path_importer_cache`.
+
    .. classmethod:: find_module(fullname, path=None)
 
       A legacy wrapper around :meth:`find_spec`.
@@ -1053,23 +1082,37 @@ an :term:`importer`.
 
    .. versionadded:: 3.4
 
-.. function:: cache_from_source(path, debug_override=None)
+.. function:: cache_from_source(path, debug_override=None, *, optimization=None)
 
-   Return the :pep:`3147` path to the byte-compiled file associated with the
-   source *path*.  For example, if *path* is ``/foo/bar/baz.py`` the return
+   Return the :pep:`3147`/:pep:`488` path to the byte-compiled file associated
+   with the source *path*.  For example, if *path* is ``/foo/bar/baz.py`` the return
    value would be ``/foo/bar/__pycache__/baz.cpython-32.pyc`` for Python 3.2.
    The ``cpython-32`` string comes from the current magic tag (see
    :func:`get_tag`; if :attr:`sys.implementation.cache_tag` is not defined then
-   :exc:`NotImplementedError` will be raised).  The returned path will end in
-   ``.pyc`` when ``__debug__`` is ``True`` or ``.pyo`` for an optimized Python
-   (i.e. ``__debug__`` is ``False``).  By passing in ``True`` or ``False`` for
-   *debug_override* you can override the system's value for ``__debug__`` for
-   extension selection.
-
-   *path* need not exist.
+   :exc:`NotImplementedError` will be raised).
+
+   The *optimization* parameter is used to specify the optimization level of the
+   bytecode file. An empty string represents no optimization, so
+   ``/foo/bar/baz.py`` with an *optimization* of ``''`` will result in a
+   bytecode path of ``/foo/bar/__pycache__/baz.cpython-32.pyc``. ``None`` causes
+   the interpter's optimization level to be used. Any other value's string
+   representation being used, so ``/foo/bar/baz.py`` with an *optimization* of
+   ``2`` will lead to the bytecode path of
+   ``/foo/bar/__pycache__/baz.cpython-32.opt-2.pyc``. The string representation
+   of *optimization* can only be alphanumeric, else :exc:`ValueError` is raised.
+
+   The *debug_override* parameter is deprecated and can be used to override
+   the system's value for ``__debug__``. A ``True`` value is the equivalent of
+   setting *optimization* to the empty string. A ``False`` value is the same as
+   setting *optimization* to ``1``. If both *debug_override* an *optimization*
+   are not ``None`` then :exc:`TypeError` is raised.
 
    .. versionadded:: 3.4
 
+   .. versionchanged ::3.5
+      The *optimization* parameter was added and the *debug_override* parameter
+      was deprecated.
+
 
 .. function:: source_from_cache(path)
 
@@ -1077,7 +1120,7 @@ an :term:`importer`.
    file path.  For example, if *path* is
    ``/foo/bar/__pycache__/baz.cpython-32.pyc`` the returned path would be
    ``/foo/bar/baz.py``.  *path* need not exist, however if it does not conform
-   to :pep:`3147` format, a ``ValueError`` is raised. If
+   to :pep:`3147` or :pep:`488` format, a ``ValueError`` is raised. If
    :attr:`sys.implementation.cache_tag` is not defined,
    :exc:`NotImplementedError` is raised.
 
@@ -1123,6 +1166,21 @@ an :term:`importer`.
 
    .. versionadded:: 3.4
 
+.. function:: module_from_spec(spec)
+
+   Create a new module based on **spec** and ``spec.loader.create_module()``.
+
+   If ``spec.loader.create_module()`` does not return ``None``, then any
+   pre-existing attributes will not be reset. Also, no :exc:`AttributeError`
+   will be raised if triggered while accessing **spec** or setting an attribute
+   on the module.
+
+   This function is preferred over using :class:`types.ModuleType` to create a
+   new module as **spec** is used to set as many import-controlled attributes on
+   the module as possible.
+
+   .. versionadded:: 3.5
+
 .. decorator:: module_for_loader
 
     A :term:`decorator` for :meth:`importlib.abc.Loader.load_module`
@@ -1201,3 +1259,39 @@ an :term:`importer`.
    module will be file-based.
 
    .. versionadded:: 3.4
+
+.. class:: LazyLoader(loader)
+
+   A class which postpones the execution of the loader of a module until the
+   module has an attribute accessed.
+
+   This class **only** works with loaders that define
+   :meth:`~importlib.abc.Loader.exec_module` as control over what module type
+   is used for the module is required. For those same reasons, the loader's
+   :meth:`~importlib.abc.Loader.create_module` method will be ignored (i.e., the
+   loader's method should only return ``None``). Finally,
+   modules which substitute the object placed into :attr:`sys.modules` will
+   not work as there is no way to properly replace the module references
+   throughout the interpreter safely; :exc:`ValueError` is raised if such a
+   substitution is detected.
+
+   .. note::
+      For projects where startup time is critical, this class allows for
+      potentially minimizing the cost of loading a module if it is never used.
+      For projects where startup time is not essential then use of this class is
+      **heavily** discouraged due to error messages created during loading being
+      postponed and thus occurring out of context.
+
+   .. versionadded:: 3.5
+
+   .. classmethod:: factory(loader)
+
+      A static method which returns a callable that creates a lazy loader. This
+      is meant to be used in situations where the loader is passed by class
+      instead of by instance.
+      ::
+
+        suffixes = importlib.machinery.SOURCE_SUFFIXES
+        loader = importlib.machinery.SourceFileLoader
+        lazy_loader = importlib.util.LazyLoader.factory(loader)
+        finder = importlib.machinery.FileFinder(path, [(lazy_loader, suffixes)])
diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index c540b11..471200f 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -159,6 +159,16 @@ attributes:
 |           |                 | arguments and local       |
 |           |                 | variables                 |
 +-----------+-----------------+---------------------------+
+| generator | __name__        | name                      |
++-----------+-----------------+---------------------------+
+|           | __qualname__    | qualified name            |
++-----------+-----------------+---------------------------+
+|           | gi_frame        | frame                     |
++-----------+-----------------+---------------------------+
+|           | gi_running      | is the generator running? |
++-----------+-----------------+---------------------------+
+|           | gi_code         | code                      |
++-----------+-----------------+---------------------------+
 | builtin   | __doc__         | documentation string      |
 +-----------+-----------------+---------------------------+
 |           | __name__        | original name of this     |
@@ -169,6 +179,12 @@ attributes:
 |           |                 | ``None``                  |
 +-----------+-----------------+---------------------------+
 
+.. versionchanged:: 3.5
+
+   Add ``__qualname__`` attribute to generators. The ``__name__`` attribute of
+   generators is now set from the function name, instead of the code name, and
+   it can now be modified.
+
 
 .. function:: getmembers(object[, predicate])
 
@@ -340,6 +356,9 @@ Retrieving source code
 .. function:: getdoc(object)
 
    Get the documentation string for an object, cleaned up with :func:`cleandoc`.
+   If the documentation string for an object is not provided and the object is
+   a class, a method, a property or a descriptor, retrieve the documentation
+   string from the inheritance hierarchy.
 
 
 .. function:: getcomments(object)
@@ -462,6 +481,9 @@ function.
    Signature objects are *immutable*.  Use :meth:`Signature.replace` to make a
    modified copy.
 
+   .. versionchanged:: 3.5
+      Signature objects are picklable and hashable.
+
    .. attribute:: Signature.empty
 
       A special class-level marker to specify absence of a return annotation.
@@ -506,12 +528,29 @@ function.
          >>> str(new_sig)
          "(a, b) -> 'new return anno'"
 
+   .. classmethod:: Signature.from_callable(obj)
+
+       Return a :class:`Signature` (or its subclass) object for a given callable
+       ``obj``. This method simplifies subclassing of :class:`Signature`:
+
+       ::
+
+         class MySignature(Signature):
+             pass
+         sig = MySignature.from_callable(min)
+         assert isinstance(sig, MySignature)
+
+       .. versionadded:: 3.5
+
 
 .. class:: Parameter(name, kind, \*, default=Parameter.empty, annotation=Parameter.empty)
 
    Parameter objects are *immutable*.  Instead of modifying a Parameter object,
    you can use :meth:`Parameter.replace` to create a modified copy.
 
+   .. versionchanged:: 3.5
+      Parameter objects are picklable and hashable.
+
    .. attribute:: Parameter.empty
 
       A special class-level marker to specify absence of default values and
@@ -849,11 +888,17 @@ Classes and functions
 The interpreter stack
 ---------------------
 
-When the following functions return "frame records," each record is a tuple of
-six items: the frame object, the filename, the line number of the current line,
+When the following functions return "frame records," each record is a
+:term:`named tuple`
+``FrameInfo(frame, filename, lineno, function, code_context, index)``.
+The tuple contains the frame object, the filename, the line number of the
+current line,
 the function name, a list of lines of context from the source code, and the
 index of the current line within that list.
 
+.. versionchanged:: 3.5
+   Return a named tuple instead of a tuple.
+
 .. note::
 
    Keeping references to frame objects, as found in the first element of the frame
diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index 3adf6e9..f009c65 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -339,8 +339,11 @@ I/O Base Classes
       if *size* is not specified).  The current stream position isn't changed.
       This resizing can extend or reduce the current file size.  In case of
       extension, the contents of the new file area depend on the platform
-      (on most systems, additional bytes are zero-filled, on Windows they're
-      undetermined).  The new file size is returned.
+      (on most systems, additional bytes are zero-filled).  The new file size
+      is returned.
+
+   .. versionchanged:: 3.5
+      Windows will now zero-fill files when extending.
 
    .. method:: writable()
 
@@ -391,8 +394,8 @@ I/O Base Classes
    .. method:: readinto(b)
 
       Read up to ``len(b)`` bytes into :class:`bytearray` *b* and return the
-      number of bytes read.  If the object is in non-blocking mode and no
-      bytes are available, ``None`` is returned.
+      number of bytes read.  If the object is in non-blocking mode and no bytes
+      are available, ``None`` is returned.
 
    .. method:: write(b)
 
@@ -465,9 +468,10 @@ I/O Base Classes
 
    .. method:: read1(size=-1)
 
-      Read and return up to *size* bytes, with at most one call to the underlying
-      raw stream's :meth:`~RawIOBase.read` method.  This can be useful if you
-      are implementing your own buffering on top of a :class:`BufferedIOBase`
+      Read and return up to *size* bytes, with at most one call to the
+      underlying raw stream's :meth:`~RawIOBase.read` (or
+      :meth:`~RawIOBase.readinto`) method.  This can be useful if you are
+      implementing your own buffering on top of a :class:`BufferedIOBase`
       object.
 
    .. method:: readinto(b)
@@ -478,8 +482,19 @@ I/O Base Classes
       Like :meth:`read`, multiple reads may be issued to the underlying raw
       stream, unless the latter is interactive.
 
-      A :exc:`BlockingIOError` is raised if the underlying raw stream is in
-      non blocking-mode, and has no data available at the moment.
+      A :exc:`BlockingIOError` is raised if the underlying raw stream is in non
+      blocking-mode, and has no data available at the moment.
+
+   .. method:: readinto1(b)
+
+      Read up to ``len(b)`` bytes into bytearray *b*, ,using at most one call to
+      the underlying raw stream's :meth:`~RawIOBase.read` (or
+      :meth:`~RawIOBase.readinto`) method. Return the number of bytes read.
+
+      A :exc:`BlockingIOError` is raised if the underlying raw stream is in non
+      blocking-mode, and has no data available at the moment.
+
+      .. versionadded:: 3.5
 
    .. method:: write(b)
 
@@ -507,9 +522,12 @@ Raw File I/O
    The *name* can be one of two things:
 
    * a character string or :class:`bytes` object representing the path to the
-     file which will be opened;
+     file which will be opened. In this case closefd must be True (the default)
+     otherwise an error will be raised.
    * an integer representing the number of an existing OS-level file descriptor
-     to which the resulting :class:`FileIO` object will give access.
+     to which the resulting :class:`FileIO` object will give access. When the
+     FileIO object is closed this fd will be closed as well, unless *closefd*
+     is set to ``False``.
 
    The *mode* can be ``'r'``, ``'w'``, ``'x'`` or ``'a'`` for reading
    (default), writing, exclusive creation or appending. The file will be
@@ -598,6 +616,11 @@ than raw I/O does.
 
       In :class:`BytesIO`, this is the same as :meth:`read`.
 
+   .. method:: readinto1()
+
+      In :class:`BytesIO`, this is the same as :meth:`readinto`.
+
+      .. versionadded:: 3.5
 
 .. class:: BufferedReader(raw, buffer_size=DEFAULT_BUFFER_SIZE)
 
@@ -807,11 +830,13 @@ Text I/O
    exception if there is an encoding error (the default of ``None`` has the same
    effect), or pass ``'ignore'`` to ignore errors.  (Note that ignoring encoding
    errors can lead to data loss.)  ``'replace'`` causes a replacement marker
-   (such as ``'?'``) to be inserted where there is malformed data.  When
-   writing, ``'xmlcharrefreplace'`` (replace with the appropriate XML character
-   reference) or ``'backslashreplace'`` (replace with backslashed escape
-   sequences) can be used.  Any other error handling name that has been
-   registered with :func:`codecs.register_error` is also valid.
+   (such as ``'?'``) to be inserted where there is malformed data.
+   ``'backslashreplace'`` causes malformed data to be replaced by a
+   backslashed escape sequence.  When writing, ``'xmlcharrefreplace'``
+   (replace with the appropriate XML character reference)  or ``'namereplace'``
+   (replace with ``\N{...}`` escape sequences) can be used.  Any other error
+   handling name that has been registered with
+   :func:`codecs.register_error` is also valid.
 
    .. index::
       single: universal newlines; io.TextIOWrapper class
diff --git a/Doc/library/ipaddress.rst b/Doc/library/ipaddress.rst
index ca87980..7b59440 100644
--- a/Doc/library/ipaddress.rst
+++ b/Doc/library/ipaddress.rst
@@ -103,7 +103,7 @@ write code that handles both IP versions correctly.
    1. A string in decimal-dot notation, consisting of four decimal integers in
       the inclusive range 0-255, separated by dots (e.g. ``192.168.0.1``). Each
       integer represents an octet (byte) in the address. Leading zeroes are
-      tolerated only for values less then 8 (as there is no ambiguity
+      tolerated only for values less than 8 (as there is no ambiguity
       between the decimal and octal interpretations of such strings).
    2. An integer that fits into 32 bits.
    3. An integer packed into a :class:`bytes` object of length 4 (most
@@ -146,6 +146,20 @@ write code that handles both IP versions correctly.
       the appropriate length (most significant octet first). This is 4 bytes
       for IPv4 and 16 bytes for IPv6.
 
+   .. attribute:: reverse_pointer
+
+      The name of the reverse DNS PTR record for the IP address, e.g.::
+
+          >>> ipaddress.ip_address("127.0.0.1").reverse_pointer
+          '1.0.0.127.in-addr.arpa'
+          >>> ipaddress.ip_address("2001:db8::1").reverse_pointer
+          '1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa'
+
+      This is the name that could be used for performing a PTR lookup, not the
+      resolved hostname itself.
+
+   .. versionadded:: 3.5
+
    .. attribute:: is_multicast
 
       ``True`` if the address is reserved for multicast use.  See
@@ -226,6 +240,7 @@ write code that handles both IP versions correctly.
    :class:`IPv4Address` class:
 
    .. attribute:: packed
+   .. attribute:: reverse_pointer
    .. attribute:: version
    .. attribute:: max_prefixlen
    .. attribute:: is_multicast
@@ -377,6 +392,12 @@ so to avoid duplication they are only documented for :class:`IPv4Network`.
    3. An integer packed into a :class:`bytes` object of length 4, big-endian.
       The interpretation is similar to an integer *address*.
 
+   4. A two-tuple of an address description and a netmask, where the address
+      description is either a string, a 32-bits integer, a 4-bytes packed
+      integer, or an existing IPv4Address object; and the netmask is either
+      an integer representing the prefix length (e.g. ``24``) or a string
+      representing the prefix mask (e.g. ``255.255.255.0``).
+
    An :exc:`AddressValueError` is raised if *address* is not a valid IPv4
    address.  A :exc:`NetmaskValueError` is raised if the mask is not valid for
    an IPv4 address.
@@ -389,6 +410,10 @@ so to avoid duplication they are only documented for :class:`IPv4Network`.
    objects will raise :exc:`TypeError` if the argument's IP version is
    incompatible to ``self``
 
+   .. versionchanged:: 3.5
+
+      Added the two-tuple form for the *address* constructor parameter.
+
    .. attribute:: version
    .. attribute:: max_prefixlen
 
@@ -553,6 +578,11 @@ so to avoid duplication they are only documented for :class:`IPv4Network`.
    3. An integer packed into a :class:`bytes` object of length 16, bit-endian.
       The interpretation is similar to an integer *address*.
 
+   4. A two-tuple of an address description and a netmask, where the address
+      description is either a string, a 128-bits integer, a 16-bytes packed
+      integer, or an existing IPv4Address object; and the netmask is an
+      integer representing the prefix length.
+
    An :exc:`AddressValueError` is raised if *address* is not a valid IPv6
    address.  A :exc:`NetmaskValueError` is raised if the mask is not valid for
    an IPv6 address.
@@ -561,6 +591,10 @@ so to avoid duplication they are only documented for :class:`IPv4Network`.
    then :exc:`ValueError` is raised.  Otherwise, the host bits are masked out
    to determine the appropriate network address.
 
+   .. versionchanged:: 3.5
+
+      Added the two-tuple form for the *address* constructor parameter.
+
    .. attribute:: version
    .. attribute:: max_prefixlen
    .. attribute:: is_multicast
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index f489535..8c7592d 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -87,10 +87,15 @@ loops that truncate the stream.
 
 .. function:: accumulate(iterable[, func])
 
-    Make an iterator that returns accumulated sums. Elements may be any addable
-    type including :class:`~decimal.Decimal` or :class:`~fractions.Fraction`.
-    If the optional *func* argument is supplied, it should be a function of two
-    arguments and it will be used instead of addition.
+    Make an iterator that returns accumulated sums, or accumulated
+    results of other binary functions (specified via the optional
+    *func* argument).  If *func* is supplied, it should be a function
+    of two arguments. Elements of the input *iterable* may be any type
+    that can be accepted as arguments to *func*. (For example, with
+    the default operation of addition, elements may be any addable
+    type including :class:`~decimal.Decimal` or
+    :class:`~fractions.Fraction`.) If the input iterable is empty, the
+    output iterable will also be empty.
 
     Equivalent to::
 
@@ -99,7 +104,10 @@ loops that truncate the stream.
             # accumulate([1,2,3,4,5]) --> 1 3 6 10 15
             # accumulate([1,2,3,4,5], operator.mul) --> 1 2 6 24 120
             it = iter(iterable)
-            total = next(it)
+            try:
+                total = next(it)
+            except StopIteration:
+                return
             yield total
             for element in it:
                 total = func(total, element)
@@ -400,7 +408,10 @@ loops that truncate the stream.
           def _grouper(self, tgtkey):
               while self.currkey == tgtkey:
                   yield self.currvalue
-                  self.currvalue = next(self.it)    # Exit on StopIteration
+                  try:
+                      self.currvalue = next(self.it)
+                  except StopIteration:
+                      return
                   self.currkey = self.keyfunc(self.currvalue)
 
 
@@ -424,7 +435,10 @@ loops that truncate the stream.
           # islice('ABCDEFG', 0, None, 2) --> A C E G
           s = slice(*args)
           it = iter(range(s.start or 0, s.stop or sys.maxsize, s.step or 1))
-          nexti = next(it)
+          try:
+              nexti = next(it)
+          except StopIteration:
+              return
           for i, element in enumerate(iterable):
               if i == nexti:
                   yield element
@@ -582,7 +596,10 @@ loops that truncate the stream.
             def gen(mydeque):
                 while True:
                     if not mydeque:             # when the local deque is empty
-                        newval = next(it)       # fetch a new value and
+                        try:
+                            newval = next(it)   # fetch a new value and
+                        except StopIteration:
+                            return
                         for d in deques:        # load it to all the deques
                             d.append(newval)
                     yield mydeque.popleft()
@@ -657,6 +674,11 @@ which incur interpreter overhead.
        "Return function(0), function(1), ..."
        return map(function, count(start))
 
+   def tail(n, iterable):
+       "Return an iterator over the last n items"
+       # tail(3, 'ABCDEFG') --> E F G
+       return iter(collections.deque(iterable, maxlen=n))
+
    def consume(iterator, n):
        "Advance the iterator n-steps ahead. If n is none, consume entirely."
        # Use functions that consume iterators at C speed.
diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 6f5f8b1..49bb090 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -106,6 +106,8 @@ Using json.tool from the shell to validate and pretty-print::
     $ echo '{1.2:3.4}' | python -m json.tool
     Expecting property name enclosed in double quotes: line 1 column 2 (char 1)
 
+See :ref:`json-commandline` for detailed documentation.
+
 .. highlight:: python3
 
 .. note::
@@ -248,7 +250,7 @@ Basic Usage
    will be passed to the constructor of the class.
 
    If the data being deserialized is not a valid JSON document, a
-   :exc:`ValueError` will be raised.
+   :exc:`JSONDecodeError` will be raised.
 
 .. function:: loads(s, encoding=None, cls=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, object_pairs_hook=None, **kw)
 
@@ -259,7 +261,7 @@ Basic Usage
    *encoding* which is ignored and deprecated.
 
    If the data being deserialized is not a valid JSON document, a
-   :exc:`ValueError` will be raised.
+   :exc:`JSONDecodeError` will be raised.
 
 Encoders and Decoders
 ---------------------
@@ -332,13 +334,16 @@ Encoders and Decoders
    ``'\n'``, ``'\r'`` and ``'\0'``.
 
    If the data being deserialized is not a valid JSON document, a
-   :exc:`ValueError` will be raised.
+   :exc:`JSONDecodeError` will be raised.
 
    .. method:: decode(s)
 
       Return the Python representation of *s* (a :class:`str` instance
       containing a JSON document)
 
+      :exc:`JSONDecodeError` will be raised if the given JSON document is not
+      valid.
+
    .. method:: raw_decode(s)
 
       Decode a JSON document from *s* (a :class:`str` beginning with a
@@ -467,6 +472,36 @@ Encoders and Decoders
                 mysocket.write(chunk)
 
 
+Exceptions
+----------
+
+.. exception:: JSONDecodeError(msg, doc, pos, end=None)
+
+    Subclass of :exc:`ValueError` with the following additional attributes:
+
+    .. attribute:: msg
+
+        The unformatted error message.
+
+    .. attribute:: doc
+
+        The JSON document being parsed.
+
+    .. attribute:: pos
+
+        The start index of *doc* where parsing failed.
+
+    .. attribute:: lineno
+
+        The line corresponding to *pos*.
+
+    .. attribute:: colno
+
+        The column corresponding to *pos*.
+
+   .. versionadded:: 3.5
+
+
 Standard Compliance and Interoperability
 ----------------------------------------
 
@@ -588,6 +623,68 @@ when serializing Python :class:`int` values of extremely large magnitude, or
 when serializing instances of "exotic" numerical types such as
 :class:`decimal.Decimal`.
 
+.. highlight:: bash
+.. module:: json.tool
+
+.. _json-commandline:
+
+Command Line Interface
+----------------------
+
+The :mod:`json.tool` module provides a simple command line interface to validate
+and pretty-print JSON objects.
+
+If the optional ``infile`` and ``outfile`` arguments are not
+specified, :attr:`sys.stdin` and :attr:`sys.stdout` will be used respectively::
+
+    $ echo '{"json": "obj"}' | python -m json.tool
+    {
+        "json": "obj"
+    }
+    $ echo '{1.2:3.4}' | python -m json.tool
+    Expecting property name enclosed in double quotes: line 1 column 2 (char 1)
+
+.. versionchanged:: 3.5
+   The output is now in the same order as the input. Use the
+   :option:`--sort-keys` option to sort the output of dictionaries
+   alphabetically by key.
+
+Command line options
+^^^^^^^^^^^^^^^^^^^^
+
+.. cmdoption:: infile
+
+   The JSON file to be validated or pretty-printed::
+
+      $ python -m json.tool mp_films.json
+      [
+          {
+              "title": "And Now for Something Completely Different",
+              "year": 1971
+          },
+          {
+              "title": "Monty Python and the Holy Grail",
+              "year": 1975
+          }
+      ]
+
+   If *infile* is not specified, read from :attr:`sys.stdin`.
+
+.. cmdoption:: outfile
+
+   Write the output of the *infile* to the given *outfile*. Otherwise, write it
+   to :attr:`sys.stdout`.
+
+.. cmdoption:: --sort-keys
+
+   Sort the output of dictionaries alphabetically by key.
+
+   .. versionadded:: 3.5
+
+.. cmdoption:: -h, --help
+
+   Show the help message.
+
 
 .. rubric:: Footnotes
 
diff --git a/Doc/library/linecache.rst b/Doc/library/linecache.rst
index f18b1cd..6c92cc5 100644
--- a/Doc/library/linecache.rst
+++ b/Doc/library/linecache.rst
@@ -47,6 +47,14 @@ The :mod:`linecache` module defines the following functions:
    changed on disk, and you require the updated version.  If *filename* is omitted,
    it will check all the entries in the cache.
 
+.. function:: lazycache(filename, module_globals)
+
+   Capture enough detail about a non-file based module to permit getting its
+   lines later via :func:`getline` even if *module_globals* is None in the later
+   call. This avoids doing I/O until a line is actually needed, without having
+   to carry the module globals around indefinitely.
+
+   .. versionadded:: 3.5
 
 Example::
 
diff --git a/Doc/library/locale.rst b/Doc/library/locale.rst
index 9600193..bc7f5f9 100644
--- a/Doc/library/locale.rst
+++ b/Doc/library/locale.rst
@@ -387,6 +387,14 @@ The :mod:`locale` module defines the following exception and functions:
    ``str(float)``, but takes the decimal point into account.
 
 
+.. function:: delocalize(string)
+
+    Converts a string into a normalized number string, following the
+    :const:`LC_NUMERIC` settings.
+
+    .. versionadded:: 3.5
+
+
 .. function:: atof(string)
 
    Converts a string to a floating point number, following the :const:`LC_NUMERIC`
diff --git a/Doc/library/logging.handlers.rst b/Doc/library/logging.handlers.rst
index 63aba1e..67403a9 100644
--- a/Doc/library/logging.handlers.rst
+++ b/Doc/library/logging.handlers.rst
@@ -436,7 +436,7 @@ sends logging output to a network socket. The base class uses a TCP socket.
    .. method:: createSocket()
 
       Tries to create a socket; on failure, uses an exponential back-off
-      algorithm.  On intial failure, the handler will drop the message it was
+      algorithm.  On initial failure, the handler will drop the message it was
       trying to send.  When subsequent messages are handled by the same
       instance, it will not try connecting until some time has passed.  The
       default parameters are such that the initial delay is one second, and if
@@ -853,7 +853,7 @@ supports sending logging messages to a Web server, using either ``GET`` or
    credentials, you should also specify secure=True so that your userid and
    password are not passed in cleartext across the wire.
 
-   .. versionchanged:: 3.4.3
+   .. versionchanged:: 3.5
       The *context* parameter was added.
 
    .. method:: mapLogRecord(record)
@@ -953,13 +953,20 @@ applications where threads servicing clients need to respond as quickly as
 possible, while any potentially slow operations (such as sending an email via
 :class:`SMTPHandler`) are done on a separate thread.
 
-.. class:: QueueListener(queue, *handlers)
+.. class:: QueueListener(queue, *handlers, respect_handler_level=False)
 
    Returns a new instance of the :class:`QueueListener` class. The instance is
    initialized with the queue to send messages to and a list of handlers which
    will handle entries placed on the queue. The queue can be any queue-
    like object; it's passed as-is to the :meth:`dequeue` method, which needs
-   to know how to get messages from it.
+   to know how to get messages from it. If ``respect_handler_level`` is ``True``,
+   a handler's level is respected (compared with the level for the message) when
+   deciding whether to pass messages to that handler; otherwise, the behaviour
+   is as in previous Python versions - to always pass each message to each
+   handler.
+
+   .. versionchanged:: 3.5
+      The ``respect_handler_levels`` argument was added.
 
    .. method:: dequeue(block)
 
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst
index 96861a7..7915c27 100644
--- a/Doc/library/logging.rst
+++ b/Doc/library/logging.rst
@@ -159,11 +159,13 @@ is the module's name in the Python package namespace.
    *msg* using the string formatting operator. (Note that this means that you can
    use keywords in the format string, together with a single dictionary argument.)
 
-   There are three keyword arguments in *kwargs* which are inspected: *exc_info*
-   which, if it does not evaluate as false, causes exception information to be
+   There are three keyword arguments in *kwargs* which are inspected:
+   *exc_info*, *stack_info*, and *extra*.
+
+   If *exc_info* does not evaluate as false, it causes exception information to be
    added to the logging message. If an exception tuple (in the format returned by
-   :func:`sys.exc_info`) is provided, it is used; otherwise, :func:`sys.exc_info`
-   is called to get the exception information.
+   :func:`sys.exc_info`) or an exception instance is provided, it is used;
+   otherwise, :func:`sys.exc_info` is called to get the exception information.
 
    The second optional keyword argument is *stack_info*, which defaults to
    ``False``. If true, stack information is added to the logging
@@ -220,6 +222,9 @@ is the module's name in the Python package namespace.
    .. versionadded:: 3.2
       The *stack_info* parameter was added.
 
+   .. versionchanged:: 3.5
+      The *exc_info* parameter can now accept exception instances.
+
 
 .. method:: Logger.info(msg, *args, **kwargs)
 
diff --git a/Doc/library/lzma.rst b/Doc/library/lzma.rst
index b71051d..0546005 100644
--- a/Doc/library/lzma.rst
+++ b/Doc/library/lzma.rst
@@ -110,6 +110,10 @@ Reading and writing compressed files
    .. versionchanged:: 3.4
       Added support for the ``"x"`` and ``"xb"`` modes.
 
+   .. versionchanged:: 3.5
+      The :meth:`~io.BufferedIOBase.read` method now accepts an argument of
+      ``None``.
+
 
 Compressing and decompressing data in memory
 --------------------------------------------
@@ -221,13 +225,32 @@ Compressing and decompressing data in memory
       decompress a multi-stream input with :class:`LZMADecompressor`, you must
       create a new decompressor for each stream.
 
-   .. method:: decompress(data)
+   .. method:: decompress(data, max_length=-1)
+
+      Decompress *data* (a :term:`bytes-like object`), returning
+      uncompressed data as bytes. Some of *data* may be buffered
+      internally, for use in later calls to :meth:`decompress`. The
+      returned data should be concatenated with the output of any
+      previous calls to :meth:`decompress`.
+
+      If *max_length* is nonnegative, returns at most *max_length*
+      bytes of decompressed data. If this limit is reached and further
+      output can be produced, the :attr:`~.needs_input` attribute will
+      be set to ``False``. In this case, the next call to
+      :meth:`~.decompress` may provide *data* as ``b''`` to obtain
+      more of the output.
+
+      If all of the input data was decompressed and returned (either
+      because this was less than *max_length* bytes, or because
+      *max_length* was negative), the :attr:`~.needs_input` attribute
+      will be set to ``True``.
 
-      Decompress *data* (a :class:`bytes` object), returning a :class:`bytes`
-      object containing the decompressed data for at least part of the input.
-      Some of *data* may be buffered internally, for use in later calls to
-      :meth:`decompress`. The returned data should be concatenated with the
-      output of any previous calls to :meth:`decompress`.
+      Attempting to decompress data after the end of stream is reached
+      raises an `EOFError`.  Any data found after the end of the
+      stream is ignored and saved in the :attr:`~.unused_data` attribute.
+
+      .. versionchanged:: 3.5
+         Added the *max_length* parameter.
 
    .. attribute:: check
 
@@ -245,6 +268,12 @@ Compressing and decompressing data in memory
 
       Before the end of the stream is reached, this will be ``b""``.
 
+   .. attribute:: needs_input
+
+      ``False`` if the :meth:`.decompress` method can provide more
+      decompressed data before requiring new uncompressed input.
+
+      .. versionadded:: 3.5
 
 .. function:: compress(data, format=FORMAT_XZ, check=-1, preset=None, filters=None)
 
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 3c41672..eda0056 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -383,6 +383,22 @@ Constants
    The mathematical constant e = 2.718281..., to available precision.
 
 
+.. data:: inf
+
+   A floating-point positive infinity.  (For negative infinity, use
+   ``-math.inf``.)  Equivalent to the output of ``float('inf')``.
+
+   .. versionadded:: 3.5
+
+
+.. data:: nan
+
+   A floating-point "not a number" (NaN) value.  Equivalent to the output of
+   ``float('nan')``.
+
+   .. versionadded:: 3.5
+
+
 .. impl-detail::
 
    The :mod:`math` module consists mostly of thin wrappers around the platform C
diff --git a/Doc/library/mmap.rst b/Doc/library/mmap.rst
index 18e05e3..b74a823 100644
--- a/Doc/library/mmap.rst
+++ b/Doc/library/mmap.rst
@@ -174,6 +174,9 @@ To map anonymous memory, -1 should be passed as the fileno along with the length
       Optional arguments *start* and *end* are interpreted as in slice notation.
       Returns ``-1`` on failure.
 
+      .. versionchanged: 3.5
+         Writable :term:`bytes-like object` is now accepted.
+
 
    .. method:: flush([offset[, size]])
 
@@ -234,6 +237,9 @@ To map anonymous memory, -1 should be passed as the fileno along with the length
       Optional arguments *start* and *end* are interpreted as in slice notation.
       Returns ``-1`` on failure.
 
+      .. versionchanged: 3.5
+         Writable :term:`bytes-like object` is now accepted.
+
 
    .. method:: seek(pos[, whence])
 
@@ -261,6 +267,9 @@ To map anonymous memory, -1 should be passed as the fileno along with the length
       were written. If the mmap was created with :const:`ACCESS_READ`, then
       writing to it will raise a :exc:`TypeError` exception.
 
+      .. versionchanged: 3.5
+         Writable :term:`bytes-like object` is now accepted.
+
 
    .. method:: write_byte(byte)
 
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 4d5f308..8703f8f 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -1352,6 +1352,9 @@ processes.
    Note that accessing the ctypes object through the wrapper can be a lot slower
    than accessing the raw ctypes object.
 
+   .. versionchanged:: 3.5
+      Synchronized objects support the :term:`context manager` protocol.
+
 
 The table below compares the syntax for creating shared ctypes objects from
 shared memory with the normal ctypes syntax.  (In the table ``MyStruct`` is some
@@ -1839,9 +1842,9 @@ itself.  This means, for example, that one shared object can contain a second:
          >>> l = manager.list(range(10))
          >>> l._callmethod('__len__')
          10
-         >>> l._callmethod('__getitem__', (slice(2, 7),))  # equiv to `l[2:7]`
+         >>> l._callmethod('__getitem__', (slice(2, 7),)) # equivalent to l[2:7]
          [2, 3, 4, 5, 6]
-         >>> l._callmethod('__getitem__', (20,))     # equiv to `l[20]`
+         >>> l._callmethod('__getitem__', (20,))          # equivalent to l[20]
          Traceback (most recent call last):
          ...
          IndexError: list index out of range
diff --git a/Doc/library/operator.rst b/Doc/library/operator.rst
index f9e2a3d..c01e63b 100644
--- a/Doc/library/operator.rst
+++ b/Doc/library/operator.rst
@@ -138,6 +138,14 @@ The mathematical and bitwise operations are the most numerous:
    Return ``a * b``, for *a* and *b* numbers.
 
 
+.. function:: matmul(a, b)
+              __matmul__(a, b)
+
+   Return ``a @ b``.
+
+   .. versionadded:: 3.5
+
+
 .. function:: neg(obj)
               __neg__(obj)
 
@@ -391,6 +399,8 @@ Python syntax and the functions in the :mod:`operator` module.
 +-----------------------+-------------------------+---------------------------------------+
 | Multiplication        | ``a * b``               | ``mul(a, b)``                         |
 +-----------------------+-------------------------+---------------------------------------+
+| Matrix Multiplication | ``a @ b``               | ``matmul(a, b)``                      |
++-----------------------+-------------------------+---------------------------------------+
 | Negation (Arithmetic) | ``- a``                 | ``neg(a)``                            |
 +-----------------------+-------------------------+---------------------------------------+
 | Negation (Logical)    | ``not a``               | ``not_(a)``                           |
@@ -499,6 +509,14 @@ will perform the update, so no subsequent assignment is necessary:
    ``a = imul(a, b)`` is equivalent to ``a *= b``.
 
 
+.. function:: imatmul(a, b)
+              __imatmul__(a, b)
+
+   ``a = imatmul(a, b)`` is equivalent to ``a @= b``.
+
+   .. versionadded:: 3.5
+
+
 .. function:: ior(a, b)
               __ior__(a, b)
 
diff --git a/Doc/library/os.path.rst b/Doc/library/os.path.rst
index 92631b2..e4fe44e 100644
--- a/Doc/library/os.path.rst
+++ b/Doc/library/os.path.rst
@@ -66,11 +66,24 @@ the :mod:`glob` module.)
    empty string (``''``).
 
 
+.. function:: commonpath(paths)
+
+   Return the longest common sub-path of each pathname in the sequence
+   *paths*.  Raise ValueError if *paths* contains both absolute and relative
+   pathnames, or if *paths* is empty.  Unlike :func:`commonprefix`, this
+   returns a valid path.
+
+   Availability: Unix, Windows
+
+   .. versionadded:: 3.5
+
+
 .. function:: commonprefix(list)
 
-   Return the longest path prefix (taken character-by-character) that is a prefix
-   of all paths in  *list*.  If *list* is empty, return the empty string (``''``).
-   Note that this may return invalid paths because it works a character at a time.
+   Return the longest path prefix (taken character-by-character) that is a
+   prefix of all paths in  *list*.  If *list* is empty, return the empty string
+   (``''``).  Note that this may return invalid paths because it works a
+   character at a time.  To obtain a valid path, see :func:`commonpath`.
 
 
 .. function:: dirname(path)
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 41efccd..bd09937 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -78,9 +78,10 @@ uses the file system encoding to perform this conversion (see
 
 .. versionchanged:: 3.1
    On some systems, conversion using the file system encoding may fail. In this
-   case, Python uses the ``surrogateescape`` encoding error handler, which means
-   that undecodable bytes are replaced by a Unicode character U+DCxx on
-   decoding, and these are again translated to the original byte on encoding.
+   case, Python uses the :ref:`surrogateescape encoding error handler
+   <surrogateescape>`, which means that undecodable bytes are replaced by a
+   Unicode character U+DCxx on decoding, and these are again translated to the
+   original byte on encoding.
 
 
 The file system encoding must guarantee to successfully decode all bytes
@@ -804,8 +805,21 @@ as internal buffering of data.
    most *length* bytes in size.  As of Python 3.3, this is equivalent to
    ``os.truncate(fd, length)``.
 
+   Availability: Unix, Windows.
+
+   .. versionchanged:: 3.5
+      Added support for Windows
+
+.. function:: get_blocking(fd)
+
+   Get the blocking mode of the file descriptor: ``False`` if the
+   :data:`O_NONBLOCK` flag is set, ``True`` if the flag is cleared.
+
+   See also :func:`set_blocking` and :meth:`socket.socket.setblocking`.
+
    Availability: Unix.
 
+   .. versionadded:: 3.5
 
 .. function:: isatty(fd)
 
@@ -893,6 +907,11 @@ as internal buffering of data.
    .. versionadded:: 3.3
       The *dir_fd* argument.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise an
+      exception, the function now retries the system call instead of raising an
+      :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 The following constants are options for the *flags* parameter to the
 :func:`~os.open` function.  They can be combined using the bitwise OR operator
 ``|``.  Some of them are not available on all platforms.  For descriptions of
@@ -1070,6 +1089,11 @@ or `the MSDN <http://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx>`_ on Window
       :func:`popen` or :func:`fdopen`, or :data:`sys.stdin`, use its
       :meth:`~file.read` or :meth:`~file.readline` methods.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise an
+      exception, the function now retries the system call instead of raising an
+      :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. function:: sendfile(out, in, offset, nbytes)
               sendfile(out, in, offset, nbytes, headers=None, trailers=None, flags=0)
@@ -1107,6 +1131,18 @@ or `the MSDN <http://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx>`_ on Window
    .. versionadded:: 3.3
 
 
+.. function:: set_blocking(fd, blocking)
+
+   Set the blocking mode of the specified file descriptor. Set the
+   :data:`O_NONBLOCK` flag if blocking is ``False``, clear the flag otherwise.
+
+   See also :func:`get_blocking` and :meth:`socket.socket.setblocking`.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.5
+
+
 .. data:: SF_NODISKIO
           SF_MNOWAIT
           SF_SYNC
@@ -1173,6 +1209,11 @@ or `the MSDN <http://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx>`_ on Window
       :func:`fdopen`, or :data:`sys.stdout` or :data:`sys.stderr`, use its
       :meth:`~file.write` method.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise an
+      exception, the function now retries the system call instead of raising an
+      :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. function:: writev(fd, buffers)
 
@@ -1577,6 +1618,11 @@ features:
 
    Availability: Unix, Windows.
 
+   .. seealso::
+
+      The :func:`scandir` function returns the directory entries with more
+      information than just the name.
+
    .. versionchanged:: 3.2
       The *path* parameter became optional.
 
@@ -1869,6 +1915,178 @@ features:
       The *dir_fd* parameter.
 
 
+.. function:: scandir(path='.')
+
+   Return an iterator of :class:`DirEntry` objects corresponding to the entries
+   in the directory given by *path*. The entries are yielded in arbitrary
+   order, and the special entries ``'.'`` and ``'..'`` are not included.
+
+   On Windows, *path* must of type :class:`str`. On POSIX, *path* can be of
+   type :class:`str` or :class:`bytes`.  If *path* is of type :class:`bytes`,
+   the :attr:`~DirEntry.name` and :attr:`~DirEntry.path` attributes of
+   :class:`DirEntry` are also of type ``bytes``. Use :func:`~os.fsencode` and
+   :func:`~os.fsdecode` to encode and decode paths.
+
+   The :func:`scandir` function is recommended, instead of :func:`listdir`,
+   when the file type of entries is used. In most cases, the file type of a
+   :class:`DirEntry` is retrieved directly by :func:`scandir`, no system call
+   is required. If only the name of entries is used, :func:`listdir` can
+   be more efficient than :func:`scandir`.
+
+   The following example shows a simple use of :func:`scandir` to display all
+   the files excluding directories in the given *path* that don't start with
+   ``'.'``::
+
+      for entry in os.scandir(path):
+         if not entry.name.startswith('.') and entry.is_file():
+             print(entry.name)
+
+   .. note::
+
+      On Unix-based systems, :func:`scandir` uses the system's
+      `opendir() <http://pubs.opengroup.org/onlinepubs/009695399/functions/opendir.html>`_
+      and
+      `readdir() <http://pubs.opengroup.org/onlinepubs/009695399/functions/readdir_r.html>`_
+      functions. On Windows, it uses the Win32
+      `FindFirstFileW <http://msdn.microsoft.com/en-us/library/windows/desktop/aa364418(v=vs.85).aspx>`_
+      and
+      `FindNextFileW <http://msdn.microsoft.com/en-us/library/windows/desktop/aa364428(v=vs.85).aspx>`_
+      functions.
+
+   .. seealso::
+
+      The :func:`listdir` function returns the names of the directory entries.
+
+   .. versionadded:: 3.5
+
+
+.. class:: DirEntry
+
+   Object yielded by :func:`scandir` to expose the file path and other file
+   attributes of a directory entry.
+
+   :func:`scandir` will provide as much of this information as possible without
+   making additional system calls. When a ``stat()`` or ``lstat()`` system call
+   is made, the ``DirEntry`` object cache the result .
+
+   ``DirEntry`` instances are not intended to be stored in long-lived data
+   structures; if you know the file metadata has changed or if a long time has
+   elapsed since calling :func:`scandir`, call ``os.stat(entry.path)`` to fetch
+   up-to-date information.
+
+   Because the ``DirEntry`` methods can make operating system calls, they may
+   also raise :exc:`OSError`. For example, if a file is deleted between calling
+   :func:`scandir` and calling :func:`DirEntry.stat`, a
+   :exc:`FileNotFoundError` exception can be raised. Unfortunately, the
+   behaviour on errors depends on the platform. If you need very fine-grained
+   control over errors, you can catch :exc:`OSError` when calling one of the
+   ``DirEntry`` methods and handle as appropriate.
+
+   Attributes and methods on a ``DirEntry`` instance are as follows:
+
+   .. attribute:: name
+
+      The entry's base filename, relative to the :func:`scandir` *path*
+      argument.
+
+      The :attr:`name` type is :class:`str`. On POSIX, it can be of type
+      :class:`bytes` if the type of the :func:`scandir` *path* argument is also
+      :class:`bytes`. Use :func:`~os.fsdecode` to decode the name.
+
+   .. attribute:: path
+
+      The entry's full path name: equivalent to ``os.path.join(scandir_path,
+      entry.name)`` where *scandir_path* is the :func:`scandir` *path*
+      argument.  The path is only absolute if the :func:`scandir` *path*
+      argument is absolute.
+
+      The :attr:`name` type is :class:`str`. On POSIX, it can be of type
+      :class:`bytes` if the type of the :func:`scandir` *path* argument is also
+      :class:`bytes`. Use :func:`~os.fsdecode` to decode the path.
+
+   .. method:: inode()
+
+      Return the inode number of the entry.
+
+      The result is cached in the object, use ``os.stat(entry.path,
+      follow_symlinks=False).st_ino`` to fetch up-to-date information.
+
+      On POSIX, no system call is required.
+
+   .. method:: is_dir(\*, follow_symlinks=True)
+
+      If *follow_symlinks* is ``True`` (the default), return ``True`` if the
+      entry is a directory or a symbolic link pointing to a directory,
+      return ``False`` if it points to another kind of file, if it doesn't
+      exist anymore or if it is a broken symbolic link.
+
+      If *follow_symlinks* is ``False``, return ``True`` only if this entry
+      is a directory, return ``False`` if it points to a symbolic link or
+      another kind of file, if the entry doesn't exist anymore or if it is a
+      broken symbolic link
+
+      The result is cached in the object. Call :func:`stat.S_ISDIR` with
+      :func:`os.stat` to fetch up-to-date information.
+
+      The method can raise :exc:`OSError`, such as :exc:`PermissionError`,
+      but :exc:`FileNotFoundError` is catched.
+
+      In most cases, no system call is required.
+
+   .. method:: is_file(\*, follow_symlinks=True)
+
+      If *follow_symlinks* is ``True`` (the default), return ``True`` if the
+      entry is a regular file or a symbolic link pointing to a regular file,
+      return ``False`` if it points to another kind of file, if it doesn't
+      exist anymore or if it is a broken symbolic link.
+
+      If *follow_symlinks* is ``False``, return ``True`` only if this entry
+      is a regular file, return ``False`` if it points to a symbolic link or
+      another kind of file, if it doesn't exist anymore or if it is a broken
+      symbolic link.
+
+      The result is cached in the object. Call :func:`stat.S_ISREG` with
+      :func:`os.stat` to fetch up-to-date information.
+
+      The method can raise :exc:`OSError`, such as :exc:`PermissionError`,
+      but :exc:`FileNotFoundError` is catched.
+
+      In most cases, no system call is required.
+
+   .. method:: is_symlink()
+
+      Return ``True`` if this entry is a symbolic link or a broken symbolic
+      link, return ``False`` if it points to a another kind of file or if the
+      entry doesn't exist anymore.
+
+      The result is cached in the object. Call :func:`os.path.islink` to fetch
+      up-to-date information.
+
+      The method can raise :exc:`OSError`, such as :exc:`PermissionError`,
+      but :exc:`FileNotFoundError` is catched.
+
+      In most cases, no system call is required.
+
+   .. method:: stat(\*, follow_symlinks=True)
+
+      Return a :class:`stat_result` object for this entry. This function
+      normally follows symbolic links; to stat a symbolic link add the
+      argument ``follow_symlinks=False``.
+
+      On Windows, the ``st_ino``, ``st_dev`` and ``st_nlink`` attributes of the
+      :class:`stat_result` are always set to zero. Call :func:`os.stat` to
+      get these attributes.
+
+      The result is cached in the object. Call :func:`os.stat` to fetch
+      up-to-date information.
+
+      On Windows, ``DirEntry.stat(follow_symlinks=False)`` doesn't require a
+      system call. ``DirEntry.stat()`` requires a system call if the entry is a
+      symbolic link.
+
+   .. versionadded:: 3.5
+
+
 .. function:: stat(path, \*, dir_fd=None, follow_symlinks=True)
 
    Get the status of a file or a file descriptor. Perform the equivalent of a
@@ -2044,6 +2262,15 @@ features:
 
       File type.
 
+   On Windows systems, the following attribute is also available:
+
+   .. attribute:: st_file_attributes
+
+      Windows file attributes: ``dwFileAttributes`` member of the
+      ``BY_HANDLE_FILE_INFORMATION`` structure returned by
+      :c:func:`GetFileInformationByHandle`. See the ``FILE_ATTRIBUTE_*``
+      constants in the :mod:`stat` module.
+
    The standard module :mod:`stat` defines functions and constants that are
    useful for extracting information from a :c:type:`stat` structure. (On
    Windows, some items are filled with dummy values.)
@@ -2061,6 +2288,9 @@ features:
       Added the :attr:`st_atime_ns`, :attr:`st_mtime_ns`, and
       :attr:`st_ctime_ns` members.
 
+   .. versionadded:: 3.5
+      Added the :attr:`st_file_attributes` member on Windows.
+
 
 .. function:: stat_float_times([newvalue])
 
@@ -2264,10 +2494,12 @@ features:
 
    This function can support :ref:`specifying a file descriptor <path_fd>`.
 
-   Availability: Unix.
+   Availability: Unix, Windows.
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.5
+      Added support for Windows
 
 .. function:: unlink(path, *, dir_fd=None)
 
@@ -2406,6 +2638,11 @@ features:
           for name in dirs:
               os.rmdir(os.path.join(root, name))
 
+   .. versionchanged:: 3.5
+      The function now calls :func:`os.scandir` instead of :func:`os.listdir`.
+      The usage of :func:`os.scandir` reduces the number of calls to
+      :func:`os.stat`.
+
 
 .. function:: fwalk(top='.', topdown=True, onerror=None, *, follow_symlinks=False, dir_fd=None)
 
@@ -2990,6 +3227,10 @@ written in Python, such as a mail server's external command delivery program.
    doesn't work if it is.  Use the :func:`os.path.normpath` function to ensure that
    the path is properly encoded for Win32.
 
+   To reduce interpreter startup overhead, the Win32 :c:func:`ShellExecute`
+   function is not resolved until this function is first called.  If the function
+   cannot be resolved, :exc:`NotImplementedError` will be raised.
+
    Availability: Windows.
 
 
@@ -3137,6 +3378,11 @@ written in Python, such as a mail server's external command delivery program.
    id is known, not necessarily a child process. The :func:`spawn\* <spawnl>`
    functions called with :const:`P_NOWAIT` return suitable process handles.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise an
+      exception, the function now retries the system call instead of raising an
+      :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. function:: wait3(options)
 
diff --git a/Doc/library/ossaudiodev.rst b/Doc/library/ossaudiodev.rst
index bb5081a..c60d596 100644
--- a/Doc/library/ossaudiodev.rst
+++ b/Doc/library/ossaudiodev.rst
@@ -148,21 +148,30 @@ and (read-only) attributes:
 
 .. method:: oss_audio_device.write(data)
 
-   Write the Python string *data* to the audio device and return the number of
-   bytes written.  If the audio device is in blocking mode (the default), the
-   entire string is always written (again, this is different from usual Unix device
-   semantics).  If the device is in non-blocking mode, some data may not be written
+   Write a :term:`bytes-like object` *data* to the audio device and return the
+   number of bytes written.  If the audio device is in blocking mode (the
+   default), the entire data is always written (again, this is different from
+   usual Unix device semantics).  If the device is in non-blocking mode, some
+   data may not be written
    ---see :meth:`writeall`.
 
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 
 .. method:: oss_audio_device.writeall(data)
 
-   Write the entire Python string *data* to the audio device: waits until the audio
-   device is able to accept data, writes as much data as it will accept, and
-   repeats until *data* has been completely written. If the device is in blocking
-   mode (the default), this has the same effect as :meth:`write`; :meth:`writeall`
-   is only useful in non-blocking mode.  Has no return value, since the amount of
-   data written is always equal to the amount of data supplied.
+   Write a :term:`bytes-like object` *data* to the audio device: waits until
+   the audio device is able to accept data, writes as much data as it will
+   accept, and repeats until *data* has been completely written. If the device
+   is in blocking mode (the default), this has the same effect as
+   :meth:`write`; :meth:`writeall` is only useful in non-blocking mode.  Has
+   no return value, since the amount of data written is always equal to the
+   amount of data supplied.
+
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 
 .. versionchanged:: 3.2
    Audio device objects also support the context management protocol, i.e. they can
diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index 24e2a30..2f06544 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -628,6 +628,17 @@ call fails (for example because the path doesn't exist):
       PosixPath('/home/antoine/pathlib')
 
 
+.. classmethod:: Path.home()
+
+   Return a new path object representing the user's home directory (as
+   returned by :func:`os.path.expanduser` with ``~`` construct)::
+
+      >>> Path.home()
+      PosixPath('/home/antoine')
+
+   .. versionadded:: 3.5
+
+
 .. method:: Path.stat()
 
    Return information about this path (similarly to :func:`os.stat`).
@@ -670,6 +681,18 @@ call fails (for example because the path doesn't exist):
       symlink *points to* an existing file or directory.
 
 
+.. method:: Path.expanduser()
+
+   Return a new path with expanded ``~`` and ``~user`` constructs,
+   as returned by :meth:`os.path.expanduser`::
+
+      >>> p = PosixPath('~/films/Monty Python')
+      >>> p.expanduser()
+      PosixPath('/home/eric/films/Monty Python')
+
+   .. versionadded:: 3.5
+
+
 .. method:: Path.glob(pattern)
 
    Glob the given *pattern* in the directory represented by this path,
@@ -791,7 +814,7 @@ call fails (for example because the path doesn't exist):
    the symbolic link's information rather than its target's.
 
 
-.. method:: Path.mkdir(mode=0o777, parents=False)
+.. method:: Path.mkdir(mode=0o777, parents=False, exist_ok=False)
 
    Create a new directory at this given path.  If *mode* is given, it is
    combined with the process' ``umask`` value to determine the file mode
@@ -805,6 +828,16 @@ call fails (for example because the path doesn't exist):
    If *parents* is false (the default), a missing parent raises
    :exc:`FileNotFoundError`.
 
+   If *exist_ok* is false (the default), an :exc:`FileExistsError` is
+   raised if the target directory already exists.
+
+   If *exist_ok* is true, :exc:`FileExistsError` exceptions will be
+   ignored (same behavior as the POSIX ``mkdir -p`` command), but only if the
+   last path component is not an existing non-directory file.
+
+   .. versionchanged:: 3.5
+      The *exist_ok* parameter was added.
+
 
 .. method:: Path.open(mode='r', buffering=-1, encoding=None, errors=None, newline=None)
 
@@ -824,6 +857,34 @@ call fails (for example because the path doesn't exist):
    if the file's uid isn't found in the system database.
 
 
+.. method:: Path.read_bytes()
+
+   Return the binary contents of the pointed-to file as a bytes object::
+
+      >>> p = Path('my_binary_file')
+      >>> p.write_bytes(b'Binary file contents')
+      20
+      >>> p.read_bytes()
+      b'Binary file contents'
+
+   .. versionadded:: 3.5
+
+
+.. method:: Path.read_text(encoding=None, errors=None)
+
+   Return the decoded contents of the pointed-to file as a string::
+
+      >>> p = Path('my_text_file')
+      >>> p.write_text('Text file contents')
+      18
+      >>> p.read_text()
+      'Text file contents'
+
+   The optional parameters have the same meaning as in :func:`open`.
+
+   .. versionadded:: 3.5
+
+
 .. method:: Path.rename(target)
 
    Rename this file or directory to the given *target*.  *target* can be
@@ -884,6 +945,25 @@ call fails (for example because the path doesn't exist):
    Remove this directory.  The directory must be empty.
 
 
+.. method:: Path.samefile(other_path)
+
+   Return whether this path points to the same file as *other_path*, which
+   can be either a Path object, or a string.  The semantics are similar
+   to :func:`os.path.samefile` and :func:`os.path.samestat`.
+
+   An :exc:`OSError` can be raised if either file cannot be accessed for some
+   reason.
+
+      >>> p = Path('spam')
+      >>> q = Path('eggs')
+      >>> p.samefile(q)
+      False
+      >>> p.samefile('spam')
+      True
+
+   .. versionadded:: 3.5
+
+
 .. method:: Path.symlink_to(target, target_is_directory=False)
 
    Make this path a symbolic link to *target*.  Under Windows,
@@ -917,3 +997,33 @@ call fails (for example because the path doesn't exist):
 
    Remove this file or symbolic link.  If the path points to a directory,
    use :func:`Path.rmdir` instead.
+
+
+.. method:: Path.write_bytes(data)
+
+   Open the file pointed to in bytes mode, write *data* to it, and close the
+   file::
+
+      >>> p = Path('my_binary_file')
+      >>> p.write_bytes(b'Binary file contents')
+      20
+      >>> p.read_bytes()
+      b'Binary file contents'
+
+   An existing file of the same name is overwritten.
+
+   .. versionadded:: 3.5
+
+
+.. method:: Path.write_text(data, encoding=None, errors=None)
+
+   Open the file pointed to in text mode, write *data* to it, and close the
+   file::
+
+      >>> p = Path('my_text_file')
+      >>> p.write_text('Text file contents')
+      18
+      >>> p.read_text()
+      'Text file contents'
+
+   .. versionadded:: 3.5
diff --git a/Doc/library/pickle.rst b/Doc/library/pickle.rst
index 47356f9..4ce4d34 100644
--- a/Doc/library/pickle.rst
+++ b/Doc/library/pickle.rst
@@ -859,7 +859,7 @@ For the simplest code, use the :func:`dump` and :func:`load` functions. ::
    data = {
        'a': [1, 2.0, 3, 4+6j],
        'b': ("character string", b"byte string"),
-       'c': set([None, True, False])
+       'c': {None, True, False}
    }
 
    with open('data.pickle', 'wb') as f:
diff --git a/Doc/library/pkgutil.rst b/Doc/library/pkgutil.rst
index 13ea7b9..5d3295d 100644
--- a/Doc/library/pkgutil.rst
+++ b/Doc/library/pkgutil.rst
@@ -58,7 +58,7 @@ support.
 
    .. deprecated:: 3.3
       This emulation is no longer needed, as the standard import mechanism
-      is now fully PEP 302 compliant and available in :mod:`importlib`
+      is now fully PEP 302 compliant and available in :mod:`importlib`.
 
 
 .. class:: ImpLoader(fullname, file, filename, etc)
@@ -67,7 +67,7 @@ support.
 
    .. deprecated:: 3.3
       This emulation is no longer needed, as the standard import mechanism
-      is now fully PEP 302 compliant and available in :mod:`importlib`
+      is now fully PEP 302 compliant and available in :mod:`importlib`.
 
 
 .. function:: find_loader(fullname)
diff --git a/Doc/library/plistlib.rst b/Doc/library/plistlib.rst
index 2bef120..4165591 100644
--- a/Doc/library/plistlib.rst
+++ b/Doc/library/plistlib.rst
@@ -129,7 +129,7 @@ The following functions are deprecated:
    and binary) file object. Returns the unpacked root object (which usually
    is a dictionary).
 
-   This function calls :func:`load` to do the actual work, the the documentation
+   This function calls :func:`load` to do the actual work, see the documentation
    of :func:`that function <load>` for an explanation of the keyword arguments.
 
    .. note::
diff --git a/Doc/library/pprint.rst b/Doc/library/pprint.rst
index c0589a3..0b44dc8 100644
--- a/Doc/library/pprint.rst
+++ b/Doc/library/pprint.rst
@@ -235,10 +235,10 @@ In its basic form, :func:`pprint` shows the whole object::
              'classifiers': ['Programming Language :: Python :: 2.6',
                              'Programming Language :: Python :: 2.7',
                              'Programming Language :: Python :: 2 :: Only'],
-             'description': 'An extensible framework for Python programming, '
-                            'with special focus\r\n'
-                            'on event-based network programming and '
-                            'multiprotocol integration.',
+             'description': 'An extensible framework for Python programming, with '
+                            'special focus\r\n'
+                            'on event-based network programming and multiprotocol '
+                            'integration.',
              'docs_url': '',
              'download_url': 'UNKNOWN',
              'home_page': 'http://twistedmatrix.com/',
@@ -288,10 +288,10 @@ contents)::
              'cheesecake_documentation_id': None,
              'cheesecake_installability_id': None,
              'classifiers': [...],
-             'description': 'An extensible framework for Python programming, '
-                            'with special focus\r\n'
-                            'on event-based network programming and '
-                            'multiprotocol integration.',
+             'description': 'An extensible framework for Python programming, with '
+                            'special focus\r\n'
+                            'on event-based network programming and multiprotocol '
+                            'integration.',
              'docs_url': '',
              'download_url': 'UNKNOWN',
              'home_page': 'http://twistedmatrix.com/',
@@ -323,13 +323,12 @@ cannot be split, the specified width will be exceeded::
              'cheesecake_installability_id': None,
              'classifiers': [...],
              'description': 'An extensible '
-                            'framework for '
-                            'Python programming, '
-                            'with special '
-                            'focus\r\n'
-                            'on event-based '
-                            'network programming '
-                            'and multiprotocol '
+                            'framework for Python '
+                            'programming, with '
+                            'special focus\r\n'
+                            'on event-based network '
+                            'programming and '
+                            'multiprotocol '
                             'integration.',
              'docs_url': '',
              'download_url': 'UNKNOWN',
@@ -344,8 +343,8 @@ cannot be split, the specified width will be exceeded::
              'release_url': 'http://pypi.python.org/pypi/Twisted/12.3.0',
              'requires_python': None,
              'stable_version': None,
-             'summary': 'An asynchronous '
-                        'networking framework '
-                        'written in Python',
+             'summary': 'An asynchronous networking '
+                        'framework written in '
+                        'Python',
              'version': '12.3.0'},
     'urls': [{...}, {...}]}
diff --git a/Doc/library/py_compile.rst b/Doc/library/py_compile.rst
index bae8450..97f2b20 100644
--- a/Doc/library/py_compile.rst
+++ b/Doc/library/py_compile.rst
@@ -29,9 +29,9 @@ byte-code cache files in the directory containing the source code.
 .. function:: compile(file, cfile=None, dfile=None, doraise=False, optimize=-1)
 
    Compile a source file to byte-code and write out the byte-code cache file.
-   The source code is loaded from the file name *file*.  The  byte-code is
-   written to *cfile*, which defaults to the :PEP:`3147` path, ending in
-   ``.pyc`` (``.pyo`` if optimization is enabled in the current interpreter).
+   The source code is loaded from the file name *file*.  The byte-code is
+   written to *cfile*, which defaults to the :pep:`3147`/:pep:`488` path, ending
+   in ``.pyc``.
    For example, if *file* is ``/foo/bar/baz.py`` *cfile* will default to
    ``/foo/bar/__pycache__/baz.cpython-32.pyc`` for Python 3.2.  If *dfile* is
    specified, it is used as the name of the source file in error messages when
@@ -68,7 +68,7 @@ byte-code cache files in the directory containing the source code.
 .. function:: main(args=None)
 
    Compile several source files.  The files named in *args* (or on the command
-   line, if *args* is ``None``) are compiled and the resulting bytecode is
+   line, if *args* is ``None``) are compiled and the resulting byte-code is
    cached in the normal manner.  This function does not search a directory
    structure to locate source files; it only compiles files named explicitly.
    If ``'-'`` is the only parameter in args, the list of files is taken from
@@ -86,4 +86,3 @@ could not be compiled.
 
    Module :mod:`compileall`
       Utilities to compile all Python source files in a directory tree.
-
diff --git a/Doc/library/queue.rst b/Doc/library/queue.rst
index 680d690..1cb0935 100644
--- a/Doc/library/queue.rst
+++ b/Doc/library/queue.rst
@@ -158,22 +158,32 @@ fully processed by daemon consumer threads.
 
 Example of how to wait for enqueued tasks to be completed::
 
-   def worker():
-       while True:
-           item = q.get()
-           do_work(item)
-           q.task_done()
-
-   q = Queue()
-   for i in range(num_worker_threads):
-        t = Thread(target=worker)
-        t.daemon = True
+    def worker():
+        while True:
+            item = q.get()
+            if item is None:
+                break
+            do_work(item)
+            q.task_done()
+
+    q = queue.Queue()
+    threads = []
+    for i in range(num_worker_threads):
+        t = threading.Thread(target=worker)
         t.start()
+        threads.append(t)
 
-   for item in source():
-       q.put(item)
+    for item in source():
+        q.put(item)
 
-   q.join()       # block until all tasks are done
+    # block until all tasks are done
+    q.join()
+
+    # stop workers
+    for i in range(num_worker_threads):
+        q.put(None)
+    for t in threads:
+        t.join()
 
 
 .. seealso::
diff --git a/Doc/library/random.rst b/Doc/library/random.rst
index 11dd367..f8b7727 100644
--- a/Doc/library/random.rst
+++ b/Doc/library/random.rst
@@ -46,8 +46,7 @@ from sources provided by the operating system.
 .. warning::
 
    The pseudo-random generators of this module should not be used for
-   security purposes.  Use :func:`os.urandom` or :class:`SystemRandom` if
-   you require a cryptographically secure pseudo-random number generator.
+   security purposes.
 
 
 Bookkeeping functions:
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index c3c8b65..8884584 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -281,9 +281,7 @@ The special characters are:
    assertion`. ``(?<=abc)def`` will find a match in ``abcdef``, since the
    lookbehind will back up 3 characters and check if the contained pattern matches.
    The contained pattern must only match strings of some fixed length, meaning that
-   ``abc`` or ``a|b`` are allowed, but ``a*`` and ``a{3,4}`` are not.  Group
-   references are not supported even if they match strings of some fixed length.
-   Note that
+   ``abc`` or ``a|b`` are allowed, but ``a*`` and ``a{3,4}`` are not.  Note that
    patterns which start with positive lookbehind assertions will not match at the
    beginning of the string being searched; you will most likely want to use the
    :func:`search` function rather than the :func:`match` function:
@@ -299,12 +297,14 @@ The special characters are:
       >>> m.group(0)
       'egg'
 
+   .. versionchanged: 3.5
+      Added support for group references of fixed length.
+
 ``(?<!...)``
    Matches if the current position in the string is not preceded by a match for
    ``...``.  This is called a :dfn:`negative lookbehind assertion`.  Similar to
    positive lookbehind assertions, the contained pattern must only match strings of
-   some fixed length and shouldn't contain group references.
-   Patterns which start with negative lookbehind assertions may
+   some fixed length.  Patterns which start with negative lookbehind assertions may
    match at the beginning of the string being searched.
 
 ``(?(id/name)yes-pattern|no-pattern)``
@@ -438,6 +438,10 @@ three digits in length.
 .. versionchanged:: 3.3
    The ``'\u'`` and ``'\U'`` escape sequences have been added.
 
+.. deprecated-removed:: 3.5 3.6
+   Unknown escapes consist of ``'\'`` and ASCII letter now raise a
+   deprecation warning and will be forbidden in Python 3.6.
+
 
 .. seealso::
 
@@ -524,7 +528,11 @@ form.
    current locale. The use of this flag is discouraged as the locale mechanism
    is very unreliable, and it only handles one "culture" at a time anyway;
    you should use Unicode matching instead, which is the default in Python 3
-   for Unicode (str) patterns.
+   for Unicode (str) patterns. This flag makes sense only with bytes patterns.
+
+   .. deprecated-removed:: 3.5 3.6
+      Deprecated the use of  :const:`re.LOCALE` with string patterns or
+      :const:`re.ASCII`.
 
 
 .. data:: M
@@ -625,17 +633,37 @@ form.
    That way, separator components are always found at the same relative
    indices within the result list.
 
-   Note that *split* will never split a string on an empty pattern match.
-   For example:
+   .. note::
+
+      :func:`split` doesn't currently split a string on an empty pattern match.
+      For example:
 
-      >>> re.split('x*', 'foo')
-      ['foo']
-      >>> re.split("(?m)^$", "foo\n\nbar\n")
-      ['foo\n\nbar\n']
+         >>> re.split('x*', 'axbc')
+         ['a', 'bc']
+
+      Even though ``'x*'`` also matches 0 'x' before 'a', between 'b' and 'c',
+      and after 'c', currently these matches are ignored.  The correct behavior
+      (i.e. splitting on empty matches too and returning ``['', 'a', 'b', 'c',
+      '']``) will be implemented in future versions of Python, but since this
+      is a backward incompatible change, a :exc:`FutureWarning` will be raised
+      in the meanwhile.
+
+      Patterns that can only match empty strings currently never split the
+      string.  Since this doesn't match the expected behavior, a
+      :exc:`ValueError` will be raised starting from Python 3.5::
+
+         >>> re.split("^$", "foo\n\nbar\n", flags=re.M)
+         Traceback (most recent call last):
+           File "<stdin>", line 1, in <module>
+           ...
+         ValueError: split() requires a non-empty pattern match.
 
    .. versionchanged:: 3.1
       Added the optional flags argument.
 
+   .. versionchanged:: 3.5
+      Splitting on a pattern that could match an empty string now raises
+      a warning.  Patterns that can only match empty strings are now rejected.
 
 .. function:: findall(pattern, string, flags=0)
 
@@ -663,7 +691,7 @@ form.
    *string* is returned unchanged.  *repl* can be a string or a function; if it is
    a string, any backslash escapes in it are processed.  That is, ``\n`` is
    converted to a single newline character, ``\r`` is converted to a carriage return, and
-   so forth.  Unknown escapes such as ``\j`` are left alone.  Backreferences, such
+   so forth.  Unknown escapes such as ``\&`` are left alone.  Backreferences, such
    as ``\6``, are replaced with the substring matched by group 6 in the pattern.
    For example:
 
@@ -705,6 +733,13 @@ form.
    .. versionchanged:: 3.1
       Added the optional flags argument.
 
+   .. versionchanged:: 3.5
+      Unmatched groups are replaced with an empty string.
+
+   .. deprecated-removed:: 3.5 3.6
+      Unknown escapes consist of ``'\'`` and ASCII letter now raise a
+      deprecation warning and will be forbidden in Python 3.6.
+
 
 .. function:: subn(pattern, repl, string, count=0, flags=0)
 
@@ -714,6 +749,9 @@ form.
    .. versionchanged:: 3.1
       Added the optional flags argument.
 
+   .. versionchanged:: 3.5
+      Unmatched groups are replaced with an empty string.
+
 
 .. function:: escape(string)
 
@@ -730,13 +768,36 @@ form.
    Clear the regular expression cache.
 
 
-.. exception:: error
+.. exception:: error(msg, pattern=None, pos=None)
 
    Exception raised when a string passed to one of the functions here is not a
    valid regular expression (for example, it might contain unmatched parentheses)
    or when some other error occurs during compilation or matching.  It is never an
-   error if a string contains no match for a pattern.
+   error if a string contains no match for a pattern.  The error instance has
+   the following additional attributes:
+
+   .. attribute:: msg
+
+      The unformatted error message.
+
+   .. attribute:: pattern
+
+      The regular expression pattern.
+
+   .. attribute:: pos
+
+      The index of *pattern* where compilation failed.
+
+   .. attribute:: lineno
+
+      The line corresponding to *pos*.
+
+   .. attribute:: colno
+
+      The column corresponding to *pos*.
 
+   .. versionchanged:: 3.5
+      Added additional attributes.
 
 .. _re-objects:
 
@@ -889,6 +950,8 @@ Match objects support the following methods and attributes:
    (``\g<1>``, ``\g<name>``) are replaced by the contents of the
    corresponding group.
 
+   .. versionchanged:: 3.5
+      Unmatched groups are replaced with an empty string.
 
 .. method:: match.group([group1, ...])
 
diff --git a/Doc/library/readline.rst b/Doc/library/readline.rst
index 692310b..3864f0d 100644
--- a/Doc/library/readline.rst
+++ b/Doc/library/readline.rst
@@ -59,6 +59,14 @@ The :mod:`readline` module defines the following functions:
    Save a readline history file. The default filename is :file:`~/.history`.
 
 
+.. function:: append_history_file(nelements[, filename])
+
+   Append the last *nelements* of history to a file.  The default filename is
+   :file:`~/.history`.  The file must already exist.
+
+   .. versionadded:: 3.5
+
+
 .. function:: clear_history()
 
    Clear the current history.  (Note: this function is not available if the
@@ -209,6 +217,26 @@ from the user's :envvar:`PYTHONSTARTUP` file. ::
 This code is actually automatically run when Python is run in
 :ref:`interactive mode <tut-interactive>` (see :ref:`rlcompleter-config`).
 
+The following example achieves the same goal but supports concurrent interactive
+sessions, by only appending the new history. ::
+
+   import atexit
+   import os
+   import realine
+   histfile = os.path.join(os.path.expanduser("~"), ".python_history")
+
+   try:
+       readline.read_history_file(histfile)
+       h_len = readline.get_history_length()
+   except FileNotFoundError:
+       open(histfile, 'wb').close()
+       h_len = 0
+
+   def save(prev_h_len, histfile):
+       new_h_len = readline.get_history_length()
+       readline.append_history_file(new_h_len - prev_h_len, histfile)
+   atexit.register(save, h_len, histfile)
+
 The following example extends the :class:`code.InteractiveConsole` class to
 support history save/restore. ::
 
@@ -234,4 +262,3 @@ support history save/restore. ::
 
        def save_history(self, histfile):
            readline.write_history_file(histfile)
-
diff --git a/Doc/library/resource.rst b/Doc/library/resource.rst
index f8112cc..7c0e4ca 100644
--- a/Doc/library/resource.rst
+++ b/Doc/library/resource.rst
@@ -45,7 +45,7 @@ this module for those platforms.
 
 .. data:: RLIM_INFINITY
 
-   Constant used to represent the the limit for an unlimited resource.
+   Constant used to represent the limit for an unlimited resource.
 
 
 .. function:: getrlimit(resource)
diff --git a/Doc/library/select.rst b/Doc/library/select.rst
index 734e426..a62dc84 100644
--- a/Doc/library/select.rst
+++ b/Doc/library/select.rst
@@ -145,6 +145,13 @@ The module defines the following:
       library, and does not handle file descriptors that don't originate from
       WinSock.
 
+   .. versionchanged:: 3.5
+      The function is now retried with a recomputed timeout when interrupted by
+      a signal, except if the signal handler raises an exception (see
+      :pep:`475` for the rationale), instead of raising
+      :exc:`InterruptedError`.
+
+
 .. attribute:: PIPE_BUF
 
    The minimum number of bytes which can be written without blocking to a pipe
@@ -207,7 +214,7 @@ object.
    .. warning::
 
       Registering a file descriptor that's already registered is not an
-      error, but the result is undefined. The appropiate action is to
+      error, but the result is undefined. The appropriate action is to
       unregister or modify it first. This is an important difference
       compared with :c:func:`poll`.
 
@@ -242,6 +249,12 @@ object.
    returning. If *timeout* is omitted, -1, or :const:`None`, the call will
    block until there is an event for this poll object.
 
+   .. versionchanged:: 3.5
+      The function is now retried with a recomputed timeout when interrupted by
+      a signal, except if the signal handler raises an exception (see
+      :pep:`475` for the rationale), instead of raising
+      :exc:`InterruptedError`.
+
 
 .. _epoll-objects:
 
@@ -322,6 +335,12 @@ Edge and Level Trigger Polling (epoll) Objects
 
    Wait for events. timeout in seconds (float)
 
+   .. versionchanged:: 3.5
+      The function is now retried with a recomputed timeout when interrupted by
+      a signal, except if the signal handler raises an exception (see
+      :pep:`475` for the rationale), instead of raising
+      :exc:`InterruptedError`.
+
 
 .. _poll-objects:
 
@@ -401,6 +420,12 @@ linearly scanned again. :c:func:`select` is O(highest file descriptor), while
    returning. If *timeout* is omitted, negative, or :const:`None`, the call will
    block until there is an event for this poll object.
 
+   .. versionchanged:: 3.5
+      The function is now retried with a recomputed timeout when interrupted by
+      a signal, except if the signal handler raises an exception (see
+      :pep:`475` for the rationale), instead of raising
+      :exc:`InterruptedError`.
+
 
 .. _kqueue-objects:
 
@@ -435,6 +460,12 @@ Kqueue Objects
    - max_events must be 0 or a positive integer
    - timeout in seconds (floats possible)
 
+   .. versionchanged:: 3.5
+      The function is now retried with a recomputed timeout when interrupted by
+      a signal, except if the signal handler raises an exception (see
+      :pep:`475` for the rationale), instead of raising
+      :exc:`InterruptedError`.
+
 
 .. _kevent-objects:
 
diff --git a/Doc/library/selectors.rst b/Doc/library/selectors.rst
index 98377c8..f6ef24b 100644
--- a/Doc/library/selectors.rst
+++ b/Doc/library/selectors.rst
@@ -45,6 +45,7 @@ Classes hierarchy::
    +-- SelectSelector
    +-- PollSelector
    +-- EpollSelector
+   +-- DevpollSelector
    +-- KqueueSelector
 
 
@@ -158,6 +159,12 @@ below:
           timeout has elapsed if the current process receives a signal: in this
           case, an empty list will be returned.
 
+      .. versionchanged:: 3.5
+         The selector is now retried with a recomputed timeout when interrupted
+         by a signal if the signal handler did not raise an exception (see
+         :pep:`475` for the rationale), instead of returning an empty list
+         of events before the timeout.
+
    .. method:: close()
 
       Close the selector.
@@ -207,6 +214,16 @@ below:
       This returns the file descriptor used by the underlying
       :func:`select.epoll` object.
 
+.. class:: DevpollSelector()
+
+   :func:`select.devpoll`-based selector.
+
+   .. method:: fileno()
+
+      This returns the file descriptor used by the underlying
+      :func:`select.devpoll` object.
+
+   .. versionadded:: 3.5
 
 .. class:: KqueueSelector()
 
diff --git a/Doc/library/shutil.rst b/Doc/library/shutil.rst
index cd86e92..3b467e0 100644
--- a/Doc/library/shutil.rst
+++ b/Doc/library/shutil.rst
@@ -191,7 +191,8 @@ Directory and files operations
    match one of the glob-style *patterns* provided.  See the example below.
 
 
-.. function:: copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2, ignore_dangling_symlinks=False)
+.. function:: copytree(src, dst, symlinks=False, ignore=None, \
+              copy_function=copy2, ignore_dangling_symlinks=False)
 
    Recursively copy an entire directory tree rooted at *src*, returning the
    destination directory.  The destination
@@ -282,7 +283,7 @@ Directory and files operations
       .. versionadded:: 3.3
 
 
-.. function:: move(src, dst)
+.. function:: move(src, dst, copy_function=copy2)
 
    Recursively move a file or directory (*src*) to another location (*dst*)
    and return the destination.
@@ -292,15 +293,26 @@ Directory and files operations
    be overwritten depending on :func:`os.rename` semantics.
 
    If the destination is on the current filesystem, then :func:`os.rename` is
-   used.  Otherwise, *src* is copied (using :func:`shutil.copy2`) to *dst* and
-   then removed. In case of symlinks, a new symlink pointing to the target of
-   *src* will be created in or as *dst* and *src* will be removed.
+   used. Otherwise, *src* is copied to *dst* using *copy_function* and then
+   removed.  In case of symlinks, a new symlink pointing to the target of *src*
+   will be created in or as *dst* and *src* will be removed.
+
+   If *copy_function* is given, it must be a callable that takes two arguments
+   *src* and *dst*, and will be used to copy *src* to *dest* if
+   :func:`os.rename` cannot be used.  If the source is a directory,
+   :func:`copytree` is called, passing it the :func:`copy_function`. The
+   default *copy_function* is :func:`copy2`.  Using :func:`copy` as the
+   *copy_function* allows the move to succeed when it is not possible to also
+   copy the metadata, at the expense of not copying any of the metadata.
 
    .. versionchanged:: 3.3
       Added explicit symlink handling for foreign filesystems, thus adapting
       it to the behavior of GNU's :program:`mv`.
       Now returns *dst*.
 
+   .. versionchanged:: 3.5
+      Added the *copy_function* keyword argument.
+
 .. function:: disk_usage(path)
 
    Return disk usage statistics about the given path as a :term:`named tuple`
@@ -338,7 +350,7 @@ Directory and files operations
 
    On Windows, the current directory is always prepended to the *path* whether
    or not you use the default or provide your own, which is the behavior the
-   command shell uses when finding executables.  Additionaly, when finding the
+   command shell uses when finding executables.  Additionally, when finding the
    *cmd* in the *path*, the ``PATHEXT`` environment variable is checked.  For
    example, if you call ``shutil.which("python")``, :func:`which` will search
    ``PATHEXT`` to know that it should look for ``python.exe`` within the *path*
@@ -418,6 +430,26 @@ Another example that uses the *ignore* argument to add a logging call::
    copytree(source, destination, ignore=_logpath)
 
 
+.. _shutil-rmtree-example:
+
+rmtree example
+~~~~~~~~~~~~~~
+
+This example shows how to remove a directory tree on Windows where some
+of the files have their read-only bit set. It uses the onerror callback
+to clear the readonly bit and reattempt the remove. Any subsequent failure
+will propagate. ::
+
+    import os, stat
+    import shutil
+
+    def remove_readonly(func, path, _):
+        "Clear the readonly bit and reattempt the removal"
+        os.chmod(path, stat.S_IWRITE)
+        func(path)
+
+    shutil.rmtree(directory, onerror=remove_readonly)
+
 .. _archiving-operations:
 
 Archiving operations
@@ -434,7 +466,8 @@ provided.  They rely on the :mod:`zipfile` and :mod:`tarfile` modules.
 
    *base_name* is the name of the file to create, including the path, minus
    any format-specific extension. *format* is the archive format: one of
-   "zip", "tar", "bztar" (if the :mod:`bz2` module is available) or "gztar".
+   "zip", "tar", "bztar" (if the :mod:`bz2` module is available), "xztar"
+   (if the :mod:`lzma` module is available) or "gztar".
 
    *root_dir* is a directory that will be the root directory of the
    archive; for example, we typically chdir into *root_dir* before creating the
@@ -457,6 +490,9 @@ provided.  They rely on the :mod:`zipfile` and :mod:`tarfile` modules.
 
    The *verbose* argument is unused and deprecated.
 
+   .. versionchanged:: 3.5
+      Added support for the *xztar* format.
+
 
 .. function:: get_archive_formats()
 
@@ -467,6 +503,7 @@ provided.  They rely on the :mod:`zipfile` and :mod:`tarfile` modules.
 
    - *gztar*: gzip'ed tar-file
    - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.)
+   - *xztar*: xz'ed tar-file (if the :mod:`lzma` module is available.)
    - *tar*: uncompressed tar file
    - *zip*: ZIP file
 
@@ -542,6 +579,7 @@ provided.  They rely on the :mod:`zipfile` and :mod:`tarfile` modules.
 
    - *gztar*: gzip'ed tar-file
    - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.)
+   - *xztar*: xz'ed tar-file (if the :mod:`lzma` module is available.)
    - *tar*: uncompressed tar file
    - *zip*: ZIP file
 
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
index 84e2836..553920d 100644
--- a/Doc/library/signal.rst
+++ b/Doc/library/signal.rst
@@ -65,6 +65,16 @@ Besides, only the main thread is allowed to set a new signal handler.
 Module contents
 ---------------
 
+.. versionchanged:: 3.5
+   signal (SIG*), handler (:const:`SIG_DFL`, :const:`SIG_IGN`) and sigmask
+   (:const:`SIG_BLOCK`, :const:`SIG_UNBLOCK`, :const:`SIG_SETMASK`)
+   related constants listed below were turned into
+   :class:`enums <enum.IntEnum>`.
+   :func:`getsignal`, :func:`pthread_sigmask`, :func:`sigpending` and
+   :func:`sigwait` functions return human-readable
+   :class:`enums <enum.IntEnum>`.
+
+
 The variables defined in the :mod:`signal` module are:
 
 
@@ -308,6 +318,9 @@ The :mod:`signal` module defines the following functions:
    attempting to call it from other threads will cause a :exc:`ValueError`
    exception to be raised.
 
+   .. versionchanged:: 3.5
+      On Windows, the function now also supports socket handles.
+
 
 .. function:: siginterrupt(signalnum, flag)
 
@@ -395,6 +408,11 @@ The :mod:`signal` module defines the following functions:
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.5
+      The function is now retried if interrupted by a signal not in *sigset*
+      and the signal handler does not raise an exception (see :pep:`475` for
+      the rationale).
+
 
 .. function:: sigtimedwait(sigset, timeout)
 
@@ -409,6 +427,11 @@ The :mod:`signal` module defines the following functions:
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.5
+      The function is now retried with the recomputed *timeout* if interrupted
+      by a signal not in *sigset* and the signal handler does not raise an
+      exception (see :pep:`475` for the rationale).
+
 
 .. _signal-example:
 
diff --git a/Doc/library/site.rst b/Doc/library/site.rst
index e57b8cc..43daf79 100644
--- a/Doc/library/site.rst
+++ b/Doc/library/site.rst
@@ -26,24 +26,23 @@ additions, call the :func:`site.main` function.
    :option:`-S`.
 
 .. index::
-   pair: site-python; directory
    pair: site-packages; directory
 
 It starts by constructing up to four directories from a head and a tail part.
 For the head part, it uses ``sys.prefix`` and ``sys.exec_prefix``; empty heads
 are skipped.  For the tail part, it uses the empty string and then
 :file:`lib/site-packages` (on Windows) or
-:file:`lib/python{X.Y}/site-packages` and then :file:`lib/site-python` (on
-Unix and Macintosh).  For each of the distinct head-tail combinations, it sees
-if it refers to an existing directory, and if so, adds it to ``sys.path`` and
-also inspects the newly added path for configuration files.
+:file:`lib/python{X.Y}/site-packages` (on Unix and Macintosh).  For each
+of the distinct head-tail combinations, it sees if it refers to an existing
+directory, and if so, adds it to ``sys.path`` and also inspects the newly
+added path for configuration files.
 
-.. deprecated:: 3.4
-   Support for the "site-python" directory will be removed in 3.5.
+.. versionchanged:: 3.5
+   Support for the "site-python" directory has been removed.
 
 If a file named "pyvenv.cfg" exists one directory above sys.executable,
 sys.prefix and sys.exec_prefix are set to that directory and
-it is also checked for site-packages and site-python (sys.base_prefix and
+it is also checked for site-packages (sys.base_prefix and
 sys.base_exec_prefix will always be the "real" prefixes of the Python
 installation). If "pyvenv.cfg" (a bootstrap configuration file) contains
 the key "include-system-site-packages" set to anything other than "false"
@@ -184,7 +183,7 @@ Module contents
    unless the Python interpreter was started with the :option:`-S` flag.
 
    .. versionchanged:: 3.3
-      This function used to be called unconditionnally.
+      This function used to be called unconditionally.
 
 
 .. function:: addsitedir(sitedir, known_paths=None)
@@ -195,8 +194,7 @@ Module contents
 
 .. function:: getsitepackages()
 
-   Return a list containing all global site-packages directories (and possibly
-   site-python).
+   Return a list containing all global site-packages directories.
 
    .. versionadded:: 3.2
 
diff --git a/Doc/library/smtpd.rst b/Doc/library/smtpd.rst
index 3ebed06..3e0c6fb 100644
--- a/Doc/library/smtpd.rst
+++ b/Doc/library/smtpd.rst
@@ -20,7 +20,8 @@ specific mail-sending strategies.
 Additionally the SMTPChannel may be extended to implement very specific
 interaction behaviour with SMTP clients.
 
-The code supports :RFC:`5321`, plus the :rfc:`1870` SIZE extension.
+The code supports :RFC:`5321`, plus the :rfc:`1870` SIZE and :rfc:`6531`
+SMTPUTF8 extensions.
 
 
 SMTPServer Objects
@@ -28,7 +29,7 @@ SMTPServer Objects
 
 
 .. class:: SMTPServer(localaddr, remoteaddr, data_size_limit=33554432,\
-                      map=None)
+                      map=None, enable_SMTPUTF8=False, decode_data=True)
 
    Create a new :class:`SMTPServer` object, which binds to local address
    *localaddr*.  It will treat *remoteaddr* as an upstream SMTP relayer.  It
@@ -39,18 +40,47 @@ SMTPServer Objects
    accepted in a ``DATA`` command.  A value of ``None`` or ``0`` means no
    limit.
 
+   *enable_SMTPUTF8* determins whether the ``SMTPUTF8`` extension (as defined
+   in :RFC:`6531`) should be enabled.  The default is ``False``.  If
+   *enable_SMTPUTF* is set to ``True``, the :meth:`process_smtputf8_message`
+   method must be defined.  A :exc:`ValueError` is raised if both
+   *enable_SMTPUTF8* and *decode_data* are set to ``True`` at the same time.
+
    A dictionary can be specified in *map* to avoid using a global socket map.
 
+   *decode_data* specifies whether the data portion of the SMTP transaction
+   should be decoded using UTF-8.  The default is ``True`` for backward
+   compatibility reasons, but will change to ``False`` in Python 3.6.  Specify
+   the keyword value explicitly to avoid the :exc:`DeprecationWarning`.
+
    .. method:: process_message(peer, mailfrom, rcpttos, data)
 
-      Raise :exc:`NotImplementedError` exception. Override this in subclasses to
+      Raise a :exc:`NotImplementedError` exception. Override this in subclasses to
       do something useful with this message. Whatever was passed in the
       constructor as *remoteaddr* will be available as the :attr:`_remoteaddr`
       attribute. *peer* is the remote host's address, *mailfrom* is the envelope
       originator, *rcpttos* are the envelope recipients and *data* is a string
-      containing the contents of the e-mail (which should be in :rfc:`2822`
+      containing the contents of the e-mail (which should be in :rfc:`5321`
       format).
 
+      If the *decode_data* constructor keyword is set to ``True``, the *data*
+      argument will be a unicode string.  If it is set to ``False``, it
+      will be a bytes object.
+
+      Return ``None`` to request a normal ``250 Ok`` response; otherwise
+      return the desired response string in :RFC:`5321` format.
+
+   .. method:: process_smtputf8_message(peer, mailfrom, rcpttos, data)
+
+      Raise a :exc:`NotImplementedError` exception.  Override this in
+      subclasses to do something useful with messages when *enable_SMTPUTF8*
+      has been set to ``True`` and the SMTP client requested ``SMTPUTF8``,
+      since this method is called rather than :meth:`process_message` when the
+      client actively requests ``SMTPUTF8``.  The *data* argument will always
+      be a bytes object, and any non-``None`` return value should conform to
+      :rfc:`6531`; otherwise, the API is the same as for
+      :meth:`process_message`.
+
    .. attribute:: channel_class
 
       Override this in subclasses to use a custom :class:`SMTPChannel` for
@@ -59,6 +89,13 @@ SMTPServer Objects
    .. versionchanged:: 3.4
       The *map* argument was added.
 
+   .. versionchanged:: 3.5
+      *localaddr* and *remoteaddr* may now contain IPv6 addresses.
+
+   .. versionadded:: 3.5
+      the *decode_data* and *enable_SMTPUTF8* constructor arguments, and the
+      :meth:`process_smtputf8_message` method.
+
 
 DebuggingServer Objects
 -----------------------
@@ -97,7 +134,7 @@ SMTPChannel Objects
 -------------------
 
 .. class:: SMTPChannel(server, conn, addr, data_size_limit=33554432,\
-                       map=None))
+                       map=None, enable_SMTPUTF8=False, decode_data=True)
 
    Create a new :class:`SMTPChannel` object which manages the communication
    between the server and a single SMTP client.
@@ -108,11 +145,24 @@ SMTPChannel Objects
    accepted in a ``DATA`` command.  A value of ``None`` or ``0`` means no
    limit.
 
+   *enable_SMTPUTF8* determins whether the ``SMTPUTF8`` extension (as defined
+   in :RFC:`6531`) should be enabled.  The default is ``False``.  A
+   :exc:`ValueError` is raised if both *enable_SMTPUTF8* and *decode_data* are
+   set to ``True`` at the same time.
+
    A dictionary can be specified in *map* to avoid using a global socket map.
 
+   *decode_data* specifies whether the data portion of the SMTP transaction
+   should be decoded using UTF-8.  The default is ``True`` for backward
+   compatibility reasons, but will change to ``False`` in Python 3.6.  Specify
+   the keyword value explicitly to avoid the :exc:`DeprecationWarning`.
+
    To use a custom SMTPChannel implementation you need to override the
    :attr:`SMTPServer.channel_class` of your :class:`SMTPServer`.
 
+   .. versionchanged:: 3.5
+      the *decode_data* and *enable_SMTPUTF8* arguments were added.
+
    The :class:`SMTPChannel` has the following instance variables:
 
    .. attribute:: smtp_server
diff --git a/Doc/library/smtplib.rst b/Doc/library/smtplib.rst
index 8e1bfb5..44473fe 100644
--- a/Doc/library/smtplib.rst
+++ b/Doc/library/smtplib.rst
@@ -189,8 +189,12 @@ An :class:`SMTP` instance has the following methods:
 
 .. method:: SMTP.set_debuglevel(level)
 
-   Set the debug output level.  A true value for *level* results in debug messages
-   for connection and for all messages sent to and received from the server.
+   Set the debug output level.  A value of 1 or ``True`` for *level* results in
+   debug messages for connection and for all messages sent to and received from
+   the server.  A value of 2 for *level* results in these messages being
+   timestamped.
+
+   .. versionchanged:: 3.5 Added debuglevel 2.
 
 
 .. method:: SMTP.docmd(cmd, args='')
@@ -240,8 +244,7 @@ An :class:`SMTP` instance has the following methods:
    the server is stored as the :attr:`ehlo_resp` attribute, :attr:`does_esmtp`
    is set to true or false depending on whether the server supports ESMTP, and
    :attr:`esmtp_features` will be a dictionary containing the names of the
-   SMTP service extensions this server supports, and their
-   parameters (if any).
+   SMTP service extensions this server supports, and their parameters (if any).
 
    Unless you wish to use :meth:`has_extn` before sending mail, it should not be
    necessary to call this method explicitly.  It will be implicitly called by
@@ -291,6 +294,42 @@ An :class:`SMTP` instance has the following methods:
    :exc:`SMTPException`
       No suitable authentication method was found.
 
+   Each of the authentication methods supported by :mod:`smtplib` are tried in
+   turn if they are advertised as supported by the server (see :meth:`auth`
+   for a list of supported authentication methods).
+
+
+.. method:: SMTP.auth(mechanism, authobject)
+
+   Issue an ``SMTP`` ``AUTH`` command for the specified authentication
+   *mechanism*, and handle the challenge response via *authobject*.
+
+   *mechanism* specifies which authentication mechanism is to
+   be used as argument to the ``AUTH`` command; the valid values are
+   those listed in the ``auth`` element of :attr:`esmtp_features`.
+
+   *authobject* must be a callable object taking a single argument:
+
+     data = authobject(challenge)
+
+   It will be called to process the server's challenge response; the
+   *challenge* argument it is passed will be a ``bytes``.  It should return
+   ``bytes`` *data* that will be base64 encoded and sent to the server.
+
+   The ``SMTP`` class provides ``authobjects`` for the ``CRAM-MD5``, ``PLAIN``,
+   and ``LOGIN`` mechanisms; they are named ``SMTP.auth_cram_md5``,
+   ``SMTP.auth_plain``, and ``SMTP.auth_login`` respectively.  They all require
+   that the ``user`` and ``password`` properties of the ``SMTP`` instance are
+   set to appropriate values.
+
+   User code does not normally need to call ``auth`` directly, but can instead
+   call the :meth:`login` method, which will try each of the above mechanisms in
+   turn, in the order listed.  ``auth`` is exposed to facilitate the
+   implementation of authentication methods not (or not yet) supported directly
+   by :mod:`smtplib`.
+
+   .. versionadded:: 3.5
+
 
 .. method:: SMTP.starttls(keyfile=None, certfile=None, context=None)
 
diff --git a/Doc/library/sndhdr.rst b/Doc/library/sndhdr.rst
index f36df68..f8b5d8b 100644
--- a/Doc/library/sndhdr.rst
+++ b/Doc/library/sndhdr.rst
@@ -16,8 +16,9 @@
 
 The :mod:`sndhdr` provides utility functions which attempt to determine the type
 of sound data which is in a file.  When these functions are able to determine
-what type of sound data is stored in a file, they return a tuple ``(type,
-sampling_rate, channels, frames, bits_per_sample)``.  The value for *type*
+what type of sound data is stored in a file, they return a
+:func:`~collections.namedtuple`, containing five attributes: (``filetype``,
+``framerate``, ``nchannels``, ``nframes``, ``sampwidth``). The value for *type*
 indicates the data type and will be one of the strings ``'aifc'``, ``'aiff'``,
 ``'au'``, ``'hcom'``, ``'sndr'``, ``'sndt'``, ``'voc'``, ``'wav'``, ``'8svx'``,
 ``'sb'``, ``'ub'``, or ``'ul'``.  The *sampling_rate* will be either the actual
@@ -31,13 +32,19 @@ be the sample size in bits or ``'A'`` for A-LAW or ``'U'`` for u-LAW.
 .. function:: what(filename)
 
    Determines the type of sound data stored in the file *filename* using
-   :func:`whathdr`.  If it succeeds, returns a tuple as described above, otherwise
+   :func:`whathdr`.  If it succeeds, returns a namedtuple as described above, otherwise
    ``None`` is returned.
 
+   .. versionchanged:: 3.5
+      Result changed from a tuple to a namedtuple.
+
 
 .. function:: whathdr(filename)
 
    Determines the type of sound data stored in a file based on the file  header.
-   The name of the file is given by *filename*.  This function returns a tuple as
+   The name of the file is given by *filename*.  This function returns a namedtuple as
    described above on success, or ``None``.
 
+   .. versionchanged:: 3.5
+      Result changed from a tuple to a namedtuple.
+
diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst
index b703e9e..84fa10d 100644
--- a/Doc/library/socket.rst
+++ b/Doc/library/socket.rst
@@ -46,17 +46,20 @@ created.  Socket addresses are represented as follows:
 - The address of an :const:`AF_UNIX` socket bound to a file system node
   is represented as a string, using the file system encoding and the
   ``'surrogateescape'`` error handler (see :pep:`383`).  An address in
-  Linux's abstract namespace is returned as a :class:`bytes` object with
+  Linux's abstract namespace is returned as a :term:`bytes-like object` with
   an initial null byte; note that sockets in this namespace can
   communicate with normal file system sockets, so programs intended to
   run on Linux may need to deal with both types of address.  A string or
-  :class:`bytes` object can be used for either type of address when
+  bytes-like object can be used for either type of address when
   passing it as an argument.
 
    .. versionchanged:: 3.3
       Previously, :const:`AF_UNIX` socket paths were assumed to use UTF-8
       encoding.
 
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 - A pair ``(host, port)`` is used for the :const:`AF_INET` address family,
   where *host* is a string representing either a hostname in Internet domain
   notation like ``'daring.cwi.nl'`` or an IPv4 address like ``'100.50.200.5'``,
@@ -276,6 +279,18 @@ Constants
 
    .. versionadded:: 3.4
 
+.. data:: CAN_RAW_FD_FRAMES
+
+   Enables CAN FD support in a CAN_RAW socket. This is disabled by default.
+   This allows your application to send both CAN and CAN FD frames; however,
+   you one must accept both CAN and CAN FD frames when reading from the socket.
+
+   This constant is documented in the Linux documentation.
+
+   Availability: Linux >= 3.6.
+
+   .. versionadded:: 3.5
+
 .. data:: AF_RDS
           PF_RDS
           SOL_RDS
@@ -352,7 +367,6 @@ The following functions all create :ref:`socket objects <socket-objects>`.
    type, and protocol number.  Address family, socket type, and protocol number are
    as for the :func:`.socket` function above. The default family is :const:`AF_UNIX`
    if defined on the platform; otherwise, the default is :const:`AF_INET`.
-   Availability: Unix.
 
    The newly created sockets are :ref:`non-inheritable <fd_inheritance>`.
 
@@ -363,6 +377,9 @@ The following functions all create :ref:`socket objects <socket-objects>`.
    .. versionchanged:: 3.4
       The returned sockets are now non-inheritable.
 
+   .. versionchanged:: 3.5
+      Windows support added.
+
 
 .. function:: create_connection(address[, timeout[, source_address]])
 
@@ -607,8 +624,8 @@ The :mod:`socket` module also offers various network-related services:
 
 .. function:: inet_ntoa(packed_ip)
 
-   Convert a 32-bit packed IPv4 address (a bytes object four characters in
-   length) to its standard dotted-quad string representation (for example,
+   Convert a 32-bit packed IPv4 address (a :term:`bytes-like object` four
+   bytes in length) to its standard dotted-quad string representation (for example,
    '123.45.67.89').  This is useful when conversing with a program that uses the
    standard C library and needs objects of type :c:type:`struct in_addr`, which
    is the C type for the 32-bit packed binary data this function takes as an
@@ -619,6 +636,9 @@ The :mod:`socket` module also offers various network-related services:
    support IPv6, and :func:`inet_ntop` should be used instead for IPv4/v6 dual
    stack support.
 
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 
 .. function:: inet_pton(address_family, ip_string)
 
@@ -641,22 +661,26 @@ The :mod:`socket` module also offers various network-related services:
 
 .. function:: inet_ntop(address_family, packed_ip)
 
-   Convert a packed IP address (a bytes object of some number of characters) to its
-   standard, family-specific string representation (for example, ``'7.10.0.5'`` or
-   ``'5aef:2b::8'``). :func:`inet_ntop` is useful when a library or network protocol
-   returns an object of type :c:type:`struct in_addr` (similar to :func:`inet_ntoa`)
-   or :c:type:`struct in6_addr`.
+   Convert a packed IP address (a :term:`bytes-like object` of some number of
+   bytes) to its standard, family-specific string representation (for
+   example, ``'7.10.0.5'`` or ``'5aef:2b::8'``).
+   :func:`inet_ntop` is useful when a library or network protocol returns an
+   object of type :c:type:`struct in_addr` (similar to :func:`inet_ntoa`) or
+   :c:type:`struct in6_addr`.
 
    Supported values for *address_family* are currently :const:`AF_INET` and
-   :const:`AF_INET6`. If the string *packed_ip* is not the correct length for the
-   specified address family, :exc:`ValueError` will be raised.  A
-   :exc:`OSError` is raised for errors from the call to :func:`inet_ntop`.
+   :const:`AF_INET6`. If the bytes object *packed_ip* is not the correct
+   length for the specified address family, :exc:`ValueError` will be raised.
+   A :exc:`OSError` is raised for errors from the call to :func:`inet_ntop`.
 
    Availability: Unix (maybe not all platforms), Windows.
 
    .. versionchanged:: 3.4
       Windows support added
 
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 
 ..
    XXX: Are sendmsg(), recvmsg() and CMSG_*() available on any
@@ -781,6 +805,11 @@ to sockets.
    .. versionchanged:: 3.4
       The socket is now non-inheritable.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.bind(address)
 
@@ -813,6 +842,19 @@ to sockets.
    Connect to a remote socket at *address*. (The format of *address* depends on the
    address family --- see above.)
 
+   If the connection is interrupted by a signal, the method waits until the
+   connection completes, or raise a :exc:`socket.timeout` on timeout, if the
+   signal handler doesn't raise an exception and the socket is blocking or has
+   a timeout. For non-blocking sockets, the method raises an
+   :exc:`InterruptedError` exception if the connection is interrupted by a
+   signal (or the exception raised by the signal handler).
+
+   .. versionchanged:: 3.5
+      The method now waits until the connection completes instead of raising an
+      :exc:`InterruptedError` exception if the connection is interrupted by a
+      signal, the signal handler doesn't raise an exception and the socket is
+      blocking or has a timeout (see the :pep:`475` for the rationale).
+
 
 .. method:: socket.connect_ex(address)
 
@@ -908,12 +950,15 @@ to sockets.
    On other platforms, the generic :func:`fcntl.fcntl` and :func:`fcntl.ioctl`
    functions may be used; they accept a socket object as their first argument.
 
-.. method:: socket.listen(backlog)
+.. method:: socket.listen([backlog])
 
-   Listen for connections made to the socket.  The *backlog* argument specifies the
-   maximum number of queued connections and should be at least 0; the maximum value
-   is system-dependent (usually 5), the minimum value is forced to 0.
+   Enable a server to accept connections.  If *backlog* is specified, it must
+   be at least 0 (if it is lower, it is set to 0); it specifies the number of
+   unaccepted connections that the system will allow before refusing new
+   connections. If not specified, a default reasonable value is chosen.
 
+   .. versionchanged:: 3.5
+      The *backlog* parameter is now optional.
 
 .. method:: socket.makefile(mode='r', buffering=None, *, encoding=None, \
                             errors=None, newline=None)
@@ -951,6 +996,11 @@ to sockets.
       For best match with hardware and network realities, the value of  *bufsize*
       should be a relatively small power of 2, for example, 4096.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.recvfrom(bufsize[, flags])
 
@@ -960,6 +1010,11 @@ to sockets.
    :manpage:`recv(2)` for the meaning of the optional argument *flags*; it defaults
    to zero. (The format of *address* depends on the address family --- see above.)
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.recvmsg(bufsize[, ancbufsize[, flags]])
 
@@ -1026,6 +1081,11 @@ to sockets.
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.recvmsg_into(buffers[, ancbufsize[, flags]])
 
@@ -1092,6 +1152,11 @@ to sockets.
    application needs to attempt delivery of the remaining data. For further
    information on this topic, consult the :ref:`socket-howto`.
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.sendall(bytes[, flags])
 
@@ -1102,6 +1167,15 @@ to sockets.
    success.  On error, an exception is raised, and there is no way to determine how
    much data, if any, was successfully sent.
 
+   .. versionchanged:: 3.5
+      The socket timeout is no more reset each time data is sent successfuly.
+      The socket timeout is now the maximum total duration to send all data.
+
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.sendto(bytes, address)
             socket.sendto(bytes, flags, address)
@@ -1112,6 +1186,11 @@ to sockets.
    bytes sent. (The format of *address* depends on the address family --- see
    above.)
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
 
 .. method:: socket.sendmsg(buffers[, ancdata[, flags[, address]]])
 
@@ -1148,6 +1227,26 @@ to sockets.
 
    .. versionadded:: 3.3
 
+   .. versionchanged:: 3.5
+      If the system call is interrupted and the signal handler does not raise
+      an exception, the method now retries the system call instead of raising
+      an :exc:`InterruptedError` exception (see :pep:`475` for the rationale).
+
+.. method:: socket.sendfile(file, offset=0, count=None)
+
+   Send a file until EOF is reached by using high-performance
+   :mod:`os.sendfile` and return the total number of bytes which were sent.
+   *file* must be a regular file object opened in binary mode. If
+   :mod:`os.sendfile` is not available (e.g. Windows) or *file* is not a
+   regular file :meth:`send` will be used instead. *offset* tells from where to
+   start reading the file. If specified, *count* is the total number of bytes
+   to transmit as opposed to sending the file until EOF is reached. File
+   position is updated on return or also in case of error in which case
+   :meth:`file.tell() <io.IOBase.tell>` can be used to figure out the number of
+   bytes which were sent. The socket must be of :const:`SOCK_STREAM` type. Non-
+   blocking sockets are not supported.
+
+   .. versionadded:: 3.5
 
 .. method:: socket.set_inheritable(inheritable)
 
@@ -1187,11 +1286,15 @@ to sockets.
 
    Set the value of the given socket option (see the Unix manual page
    :manpage:`setsockopt(2)`).  The needed symbolic constants are defined in the
-   :mod:`socket` module (:const:`SO_\*` etc.).  The value can be an integer or a
-   bytes object representing a buffer.  In the latter case it is up to the caller to
+   :mod:`socket` module (:const:`SO_\*` etc.).  The value can be an integer or
+   a :term:`bytes-like object` representing a buffer.  In the latter case it is
+   up to the caller to
    ensure that the bytestring contains the proper bits (see the optional built-in
    module :mod:`struct` for a way to encode C structures as bytestrings).
 
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 
 .. method:: socket.shutdown(how)
 
@@ -1447,7 +1550,7 @@ After binding (:const:`CAN_RAW`) or connecting (:const:`CAN_BCM`) the socket, yo
 can use the :meth:`socket.send`, and the :meth:`socket.recv` operations (and
 their counterparts) on the socket object as usual.
 
-This example might require special priviledge::
+This example might require special privileges::
 
    import socket
    import struct
diff --git a/Doc/library/socketserver.rst b/Doc/library/socketserver.rst
index 1ec4438..9db36d5 100644
--- a/Doc/library/socketserver.rst
+++ b/Doc/library/socketserver.rst
@@ -113,7 +113,7 @@ the request handler class :meth:`handle` method.
 Another approach to handling multiple simultaneous requests in an environment
 that supports neither threads nor :func:`~os.fork` (or where these are too
 expensive or inappropriate for the service) is to maintain an explicit table of
-partially finished requests and to use :func:`~select.select` to decide which
+partially finished requests and to use :mod:`selectors` to decide which
 request to work on next (or whether to handle a new incoming request).  This is
 particularly important for stream services where each client can potentially be
 connected for a long time (if threads or subprocesses cannot be used).  See
@@ -136,7 +136,7 @@ Server Objects
 .. method:: BaseServer.fileno()
 
    Return an integer file descriptor for the socket on which the server is
-   listening.  This function is most commonly passed to :func:`select.select`, to
+   listening.  This function is most commonly passed to :mod:`selectors`, to
    allow monitoring multiple servers in the same process.
 
 
diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index 6097e7a..fc69a80 100644
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -649,6 +649,9 @@ Row Objects
       This method returns a list of column names. Immediately after a query,
       it is the first member of each tuple in :attr:`Cursor.description`.
 
+   .. versionchanged:: 3.5
+      Added support of slicing.
+
 Let's assume we initialize a table as in the example given above::
 
    conn = sqlite3.connect(":memory:")
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index bc28e97..31b4658 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -315,6 +315,8 @@ Random generation
 
    For almost all applications :func:`os.urandom` is preferable.
 
+   For almost all applications :func:`os.urandom` is preferable.
+
    .. versionadded:: 3.3
 
 .. function:: RAND_status()
@@ -335,6 +337,8 @@ Random generation
    See http://egd.sourceforge.net/ or http://prngd.sourceforge.net/ for sources
    of entropy-gathering daemons.
 
+   Availability: not available with LibreSSL.
+
 .. function:: RAND_add(bytes, entropy)
 
    Mix the given *bytes* into the SSL pseudo-random number generator.  The
@@ -342,6 +346,9 @@ Random generation
    string (so you can always use :const:`0.0`).  See :rfc:`1750` for more
    information on sources of entropy.
 
+   .. versionchanged: 3.5
+      Writable :term:`bytes-like object` is now accepted.
+
 Certificate handling
 ^^^^^^^^^^^^^^^^^^^^
 
@@ -350,10 +357,9 @@ Certificate handling
    Verify that *cert* (in decoded format as returned by
    :meth:`SSLSocket.getpeercert`) matches the given *hostname*.  The rules
    applied are those for checking the identity of HTTPS servers as outlined
-   in :rfc:`2818` and :rfc:`6125`, except that IP addresses are not currently
-   supported. In addition to HTTPS, this function should be suitable for
-   checking the identity of servers in various SSL-based protocols such as
-   FTPS, IMAPS, POPS and others.
+   in :rfc:`2818` and :rfc:`6125`.  In addition to HTTPS, this function
+   should be suitable for checking the identity of servers in various
+   SSL-based protocols such as FTPS, IMAPS, POPS and others.
 
    :exc:`CertificateError` is raised on failure. On success, the function
    returns nothing::
@@ -375,22 +381,38 @@ Certificate handling
       IDN A-labels such as ``www*.xn--pthon-kva.org`` are still supported,
       but ``x*.python.org`` no longer matches ``xn--tda.python.org``.
 
-.. function:: cert_time_to_seconds(timestring)
+   .. versionchanged:: 3.5
+      Matching of IP addresses, when present in the subjectAltName field
+      of the certificate, is now supported.
+
+.. function:: cert_time_to_seconds(cert_time)
 
-   Returns a floating-point value containing a normal seconds-after-the-epoch
-   time value, given the time-string representing the "notBefore" or "notAfter"
-   date from a certificate.
+   Return the time in seconds since the Epoch, given the ``cert_time``
+   string representing the "notBefore" or "notAfter" date from a
+   certificate in ``"%b %d %H:%M:%S %Y %Z"`` strptime format (C
+   locale).
 
-   Here's an example::
+   Here's an example:
 
-     >>> import ssl
-     >>> ssl.cert_time_to_seconds("May  9 00:00:00 2007 GMT")
-     1178694000.0
-     >>> import time
-     >>> time.ctime(ssl.cert_time_to_seconds("May  9 00:00:00 2007 GMT"))
-     'Wed May  9 00:00:00 2007'
+   .. doctest:: newcontext
 
-.. function:: get_server_certificate(addr, ssl_version=PROTOCOL_SSLv3, ca_certs=None)
+      >>> import ssl
+      >>> timestamp = ssl.cert_time_to_seconds("Jan  5 09:34:43 2018 GMT")
+      >>> timestamp
+      1515144883
+      >>> from datetime import datetime
+      >>> print(datetime.utcfromtimestamp(timestamp))
+      2018-01-05 09:34:43
+
+   "notBefore" or "notAfter" dates must use GMT (:rfc:`5280`).
+
+   .. versionchanged:: 3.5
+      Interpret the input time as a time in UTC as specified by 'GMT'
+      timezone in the input string. Local timezone was used
+      previously. Return an integer (no fractions of a second in the
+      input format)
+
+.. function:: get_server_certificate(addr, ssl_version=PROTOCOL_SSLv23, ca_certs=None)
 
    Given the address ``addr`` of an SSL-protected server, as a (*hostname*,
    *port-number*) pair, fetches the server's certificate, and returns it as a
@@ -404,6 +426,10 @@ Certificate handling
    .. versionchanged:: 3.3
       This function is now IPv6-compatible.
 
+   .. versionchanged:: 3.5
+      The default *ssl_version* is changed from :data:`PROTOCOL_SSLv3` to
+      :data:`PROTOCOL_SSLv23` for maximum compatibility with modern servers.
+
 .. function:: DER_cert_to_PEM_cert(DER_cert_bytes)
 
    Given a certificate as a DER-encoded blob of bytes, returns a PEM-encoded
@@ -671,6 +697,13 @@ Constants
 
    .. versionadded:: 3.3
 
+.. data:: HAS_ALPN
+
+   Whether the OpenSSL library has built-in support for the *Application-Layer
+   Protocol Negotiation* TLS extension as described in :rfc:`7301`.
+
+   .. versionadded:: 3.5
+
 .. data:: HAS_ECDH
 
    Whether the OpenSSL library has built-in support for Elliptic Curve-based
@@ -788,6 +821,8 @@ SSL Sockets
      (but passing a non-zero ``flags`` argument is not allowed)
    - :meth:`~socket.socket.send()`, :meth:`~socket.socket.sendall()` (with
      the same limitation)
+   - :meth:`~socket.socket.sendfile()` (but :mod:`os.sendfile` will be used
+     for plain-text sockets only, else :meth:`~socket.socket.send()` will be used)
    - :meth:`~socket.socket.shutdown()`
 
    However, since the SSL (and TLS) protocol has its own framing atop
@@ -798,6 +833,15 @@ SSL Sockets
    Usually, :class:`SSLSocket` are not created directly, but using the
    :func:`wrap_socket` function or the :meth:`SSLContext.wrap_socket` method.
 
+   .. versionchanged:: 3.5
+      The :meth:`sendfile` method was added.
+
+   .. versionchanged:: 3.5
+      The :meth:`shutdown` does not reset the socket timeout each time bytes
+      are received or sent. The socket timeout is now to maximum total duration
+      of the shutdown.
+
+
 SSL sockets also have the following additional methods and attributes:
 
 .. method:: SSLSocket.read(len=0, buffer=None)
@@ -812,6 +856,11 @@ SSL sockets also have the following additional methods and attributes:
    As at any time a re-negotiation is possible, a call to :meth:`read` can also
    cause write operations.
 
+   .. versionchanged:: 3.5
+      The socket timeout is no more reset each time bytes are received or sent.
+      The socket timeout is now to maximum total duration to read up to *len*
+      bytes.
+
 .. method:: SSLSocket.write(buf)
 
    Write *buf* to the SSL socket and return the number of bytes written. The
@@ -823,6 +872,10 @@ SSL sockets also have the following additional methods and attributes:
    As at any time a re-negotiation is possible, a call to :meth:`write` can
    also cause read operations.
 
+   .. versionchanged:: 3.5
+      The socket timeout is no more reset each time bytes are received or sent.
+      The socket timeout is now to maximum total duration to write *buf*.
+
 .. note::
 
    The :meth:`~SSLSocket.read` and :meth:`~SSLSocket.write` methods are the
@@ -844,6 +897,10 @@ SSL sockets also have the following additional methods and attributes:
       :attr:`~SSLContext.check_hostname` attribute of the socket's
       :attr:`~SSLSocket.context` is true.
 
+   .. versionchanged:: 3.5
+      The socket timeout is no more reset each time bytes are received or sent.
+      The socket timeout is now to maximum total duration of the handshake.
+
 .. method:: SSLSocket.getpeercert(binary_form=False)
 
    If there is no certificate for the peer on the other end of the connection,
@@ -917,6 +974,17 @@ SSL sockets also have the following additional methods and attributes:
    version of the SSL protocol that defines its use, and the number of secret
    bits being used.  If no connection has been established, returns ``None``.
 
+.. method:: SSLSocket.shared_ciphers()
+
+   Return the list of ciphers shared by the client during the handshake.  Each
+   entry of the returned list is a three-value tuple containing the name of the
+   cipher, the version of the SSL protocol that defines its use, and the number
+   of secret bits the cipher uses.  :meth:`~SSLSocket.shared_ciphers` returns
+   ``None`` if no connection has been established or the socket is a client
+   socket.
+
+   .. versionadded:: 3.5
+
 .. method:: SSLSocket.compression()
 
    Return the compression algorithm being used as a string, or ``None``
@@ -940,12 +1008,22 @@ SSL sockets also have the following additional methods and attributes:
 
    .. versionadded:: 3.3
 
+.. method:: SSLSocket.selected_alpn_protocol()
+
+   Return the protocol that was selected during the TLS handshake.  If
+   :meth:`SSLContext.set_alpn_protocols` was not called, if the other party does
+   not support ALPN, if this socket does not support any of the client's
+   proposed protocols, or if the handshake has not happened yet, ``None`` is
+   returned.
+
+   .. versionadded:: 3.5
+
 .. method:: SSLSocket.selected_npn_protocol()
 
-   Returns the protocol that was selected during the TLS/SSL handshake. If
-   :meth:`SSLContext.set_npn_protocols` was not called, or if the other party
-   does not support NPN, or if the handshake has not yet happened, this will
-   return ``None``.
+   Return the higher-level protocol that was selected during the TLS/SSL
+   handshake. If :meth:`SSLContext.set_npn_protocols` was not called, or
+   if the other party does not support NPN, or if the handshake has not yet
+   happened, this will return ``None``.
 
    .. versionadded:: 3.3
 
@@ -957,6 +1035,16 @@ SSL sockets also have the following additional methods and attributes:
    returned socket should always be used for further communication with the
    other side of the connection, rather than the original socket.
 
+.. method:: SSLSocket.version()
+
+   Return the actual SSL protocol version negotiated by the connection
+   as a string, or ``None`` is no secure connection is established.
+   As of this writing, possible return values include ``"SSLv2"``,
+   ``"SSLv3"``, ``"TLSv1"``, ``"TLSv1.1"`` and ``"TLSv1.2"``.
+   Recent OpenSSL versions may define more return values.
+
+   .. versionadded:: 3.5
+
 .. method:: SSLSocket.pending()
 
    Returns the number of already decrypted bytes available for read, pending on
@@ -1135,6 +1223,20 @@ to speed up repeated connections from the same clients.
       when connected, the :meth:`SSLSocket.cipher` method of SSL sockets will
       give the currently selected cipher.
 
+.. method:: SSLContext.set_alpn_protocols(protocols)
+
+   Specify which protocols the socket should advertise during the SSL/TLS
+   handshake. It should be a list of ASCII strings, like ``['http/1.1',
+   'spdy/2']``, ordered by preference. The selection of a protocol will happen
+   during the handshake, and will play out according to :rfc:`7301`. After a
+   successful handshake, the :meth:`SSLSocket.selected_alpn_protocol` method will
+   return the agreed-upon protocol.
+
+   This method will raise :exc:`NotImplementedError` if :data:`HAS_ALPN` is
+   False.
+
+   .. versionadded:: 3.5
+
 .. method:: SSLContext.set_npn_protocols(protocols)
 
    Specify which protocols the socket should advertise during the SSL/TLS
@@ -1175,7 +1277,7 @@ to speed up repeated connections from the same clients.
 
    Due to the early negotiation phase of the TLS connection, only limited
    methods and attributes are usable like
-   :meth:`SSLSocket.selected_npn_protocol` and :attr:`SSLSocket.context`.
+   :meth:`SSLSocket.selected_alpn_protocol` and :attr:`SSLSocket.context`.
    :meth:`SSLSocket.getpeercert`, :meth:`SSLSocket.getpeercert`,
    :meth:`SSLSocket.cipher` and :meth:`SSLSocket.compress` methods require that
    the TLS connection has progressed beyond the TLS Client Hello and therefore
@@ -1251,10 +1353,20 @@ to speed up repeated connections from the same clients.
    quite similarly to HTTP virtual hosts. Specifying *server_hostname* will
    raise a :exc:`ValueError` if *server_side* is true.
 
-   .. versionchanged:: 3.4.3
+   .. versionchanged:: 3.5
       Always allow a server_hostname to be passed, even if OpenSSL does not
       have SNI.
 
+.. method:: SSLContext.wrap_bio(incoming, outgoing, server_side=False, \
+                                server_hostname=None)
+
+   Create a new :class:`SSLObject` instance by wrapping the BIO objects
+   *incoming* and *outgoing*. The SSL routines will read input data from the
+   incoming BIO and write data to the outgoing BIO.
+
+   The *server_side* and *server_hostname* parameters have the same meaning as
+   in :meth:`SSLContext.wrap_socket`.
+
 .. method:: SSLContext.session_stats()
 
    Get statistics about the SSL sessions created or managed by this context.
@@ -1627,7 +1739,7 @@ are finished with the client (or the client is finished with you)::
 
 And go back to listening for new client connections (of course, a real server
 would probably handle each client connection in a separate thread, or put
-the sockets in non-blocking mode and use an event loop).
+the sockets in :ref:`non-blocking mode <ssl-nonblocking>` and use an event loop).
 
 
 .. _ssl-nonblocking:
@@ -1649,6 +1761,12 @@ thus several things you need to be aware of:
   socket first, and attempts to *read* from the SSL socket may require
   a prior *write* to the underlying socket.
 
+  .. versionchanged:: 3.5
+
+     In earlier Python versions, the :meth:`!SSLSocket.send` method
+     returned zero instead of raising :exc:`SSLWantWriteError` or
+     :exc:`SSLWantReadError`.
+
 - Calling :func:`~select.select` tells you that the OS-level socket can be
   read from (or written to), but it does not imply that there is sufficient
   data at the upper SSL layer.  For example, only part of an SSL frame might
@@ -1681,13 +1799,143 @@ thus several things you need to be aware of:
 
 .. seealso::
 
-   The :mod:`asyncio` module supports non-blocking SSL sockets and provides a
+   The :mod:`asyncio` module supports :ref:`non-blocking SSL sockets
+   <ssl-nonblocking>` and provides a
    higher level API. It polls for events using the :mod:`selectors` module and
    handles :exc:`SSLWantWriteError`, :exc:`SSLWantReadError` and
    :exc:`BlockingIOError` exceptions. It runs the SSL handshake asynchronously
    as well.
 
 
+Memory BIO Support
+------------------
+
+.. versionadded:: 3.5
+
+Ever since the SSL module was introduced in Python 2.6, the :class:`SSLSocket`
+class has provided two related but distinct areas of functionality:
+
+- SSL protocol handling
+- Network IO
+
+The network IO API is identical to that provided by :class:`socket.socket`,
+from which :class:`SSLSocket` also inherits. This allows an SSL socket to be
+used as a drop-in replacement for a regular socket, making it very easy to add
+SSL support to an existing application.
+
+Combining SSL protocol handling and network IO usually works well, but there
+are some cases where it doesn't. An example is async IO frameworks that want to
+use a different IO multiplexing model than the "select/poll on a file
+descriptor" (readiness based) model that is assumed by :class:`socket.socket`
+and by the internal OpenSSL socket IO routines. This is mostly relevant for
+platforms like Windows where this model is not efficient. For this purpose, a
+reduced scope variant of :class:`SSLSocket` called :class:`SSLObject` is
+provided.
+
+.. class:: SSLObject
+
+   A reduced-scope variant of :class:`SSLSocket` representing an SSL protocol
+   instance that does not contain any network IO methods. This class is
+   typically used by framework authors that want to implement asynchronous IO
+   for SSL through memory buffers.
+
+   This class implements an interface on top of a low-level SSL object as
+   implemented by OpenSSL. This object captures the state of an SSL connection
+   but does not provide any network IO itself. IO needs to be performed through
+   separate "BIO" objects which are OpenSSL's IO abstraction layer.
+
+   An :class:`SSLObject` instance can be created using the
+   :meth:`~SSLContext.wrap_bio` method. This method will create the
+   :class:`SSLObject` instance and bind it to a pair of BIOs. The *incoming*
+   BIO is used to pass data from Python to the SSL protocol instance, while the
+   *outgoing* BIO is used to pass data the other way around.
+
+   The following methods are available:
+
+   - :attr:`~SSLSocket.context`
+   - :attr:`~SSLSocket.server_side`
+   - :attr:`~SSLSocket.server_hostname`
+   - :meth:`~SSLSocket.read`
+   - :meth:`~SSLSocket.write`
+   - :meth:`~SSLSocket.getpeercert`
+   - :meth:`~SSLSocket.selected_npn_protocol`
+   - :meth:`~SSLSocket.cipher`
+   - :meth:`~SSLSocket.shared_ciphers`
+   - :meth:`~SSLSocket.compression`
+   - :meth:`~SSLSocket.pending`
+   - :meth:`~SSLSocket.do_handshake`
+   - :meth:`~SSLSocket.unwrap`
+   - :meth:`~SSLSocket.get_channel_binding`
+
+   When compared to :class:`SSLSocket`, this object lacks the following
+   features:
+
+   - Any form of network IO incluging methods such as ``recv()`` and
+     ``send()``.
+
+   - There is no *do_handshake_on_connect* machinery. You must always manually
+     call :meth:`~SSLSocket.do_handshake` to start the handshake.
+
+   - There is no handling of *suppress_ragged_eofs*. All end-of-file conditions
+     that are in violation of the protocol are reported via the
+     :exc:`SSLEOFError` exception.
+
+   - The method :meth:`~SSLSocket.unwrap` call does not return anything,
+     unlike for an SSL socket where it returns the underlying socket.
+
+   - The *server_name_callback* callback passed to
+     :meth:`SSLContext.set_servername_callback` will get an :class:`SSLObject`
+     instance instead of a :class:`SSLSocket` instance as its first parameter.
+
+   Some notes related to the use of :class:`SSLObject`:
+
+   - All IO on an :class:`SSLObject` is :ref:`non-blocking <ssl-nonblocking>`.
+     This means that for example :meth:`~SSLSocket.read` will raise an
+     :exc:`SSLWantReadError` if it needs more data than the incoming BIO has
+     available.
+
+   - There is no module-level ``wrap_bio()`` call like there is for
+     :meth:`~SSLContext.wrap_socket`. An :class:`SSLObject` is always created
+     via an :class:`SSLContext`.
+
+An SSLObject communicates with the outside world using memory buffers. The
+class :class:`MemoryBIO` provides a memory buffer that can be used for this
+purpose.  It wraps an OpenSSL memory BIO (Basic IO) object:
+
+.. class:: MemoryBIO
+
+   A memory buffer that can be used to pass data between Python and an SSL
+   protocol instance.
+
+   .. attribute:: MemoryBIO.pending
+
+      Return the number of bytes currently in the memory buffer.
+
+   .. attribute:: MemoryBIO.eof
+
+      A boolean indicating whether the memory BIO is current at the end-of-file
+      position.
+
+   .. method:: MemoryBIO.read(n=-1)
+
+      Read up to *n* bytes from the memory buffer. If *n* is not specified or
+      negative, all bytes are returned.
+
+   .. method:: MemoryBIO.write(buf)
+
+      Write the bytes from *buf* to the memory BIO. The *buf* argument must be an
+      object supporting the buffer protocol.
+
+      The return value is the number of bytes written, which is always equal to
+      the length of *buf*.
+
+   .. method:: MemoryBIO.write_eof()
+
+      Write an EOF marker to the memory BIO. After this method has been called, it
+      is illegal to call :meth:`~MemoryBIO.write`. The attribute :attr:`eof` will
+      become true after all data currently in the buffer has been read.
+
+
 .. _ssl-security:
 
 Security considerations
diff --git a/Doc/library/stat.rst b/Doc/library/stat.rst
index 24769f6..845b2ef 100644
--- a/Doc/library/stat.rst
+++ b/Doc/library/stat.rst
@@ -126,7 +126,7 @@ Example::
    if __name__ == '__main__':
        walktree(sys.argv[1], visitfile)
 
-An additional utility function is provided to covert a file's mode in a human
+An additional utility function is provided to convert a file's mode in a human
 readable string:
 
 .. function:: filemode(mode)
@@ -399,3 +399,29 @@ The following flags can be used in the *flags* argument of :func:`os.chflags`:
    The file is a snapshot file.
 
 See the \*BSD or Mac OS systems man page :manpage:`chflags(2)` for more information.
+
+On Windows, the following file attribute constants are available for use when
+testing bits in the ``st_file_attributes`` member returned by :func:`os.stat`.
+See the `Windows API documentation
+<http://msdn.microsoft.com/en-us/library/windows/desktop/gg258117.aspx>`_
+for more detail on the meaning of these constants.
+
+.. data:: FILE_ATTRIBUTE_ARCHIVE
+          FILE_ATTRIBUTE_COMPRESSED
+          FILE_ATTRIBUTE_DEVICE
+          FILE_ATTRIBUTE_DIRECTORY
+          FILE_ATTRIBUTE_ENCRYPTED
+          FILE_ATTRIBUTE_HIDDEN
+          FILE_ATTRIBUTE_INTEGRITY_STREAM
+          FILE_ATTRIBUTE_NORMAL
+          FILE_ATTRIBUTE_NOT_CONTENT_INDEXED
+          FILE_ATTRIBUTE_NO_SCRUB_DATA
+          FILE_ATTRIBUTE_OFFLINE
+          FILE_ATTRIBUTE_READONLY
+          FILE_ATTRIBUTE_REPARSE_POINT
+          FILE_ATTRIBUTE_SPARSE_FILE
+          FILE_ATTRIBUTE_SYSTEM
+          FILE_ATTRIBUTE_TEMPORARY
+          FILE_ATTRIBUTE_VIRTUAL
+
+   .. versionadded:: 3.5
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index a4324b5..26ff309 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -354,7 +354,7 @@ Notes:
    The numeric literals accepted include the digits ``0`` to ``9`` or any
    Unicode equivalent (code points with the ``Nd`` property).
 
-   See http://www.unicode.org/Public/6.3.0/ucd/extracted/DerivedNumericType.txt
+   See http://www.unicode.org/Public/7.0.0/ucd/extracted/DerivedNumericType.txt
    for a complete list of code points with the ``Nd`` property.
 
 
@@ -3089,6 +3089,203 @@ place, and instead produce new objects.
       always produces a new object, even if no changes were made.
 
 
+.. _bytes-formatting:
+
+``printf``-style Bytes Formatting
+----------------------------------
+
+.. index::
+   single: formatting, bytes (%)
+   single: formatting, bytearray (%)
+   single: interpolation, bytes (%)
+   single: interpolation, bytearray (%)
+   single: bytes; formatting
+   single: bytearray; formatting
+   single: bytes; interpolation
+   single: bytearray; interpolation
+   single: printf-style formatting
+   single: sprintf-style formatting
+   single: % formatting
+   single: % interpolation
+
+.. note::
+
+   The formatting operations described here exhibit a variety of quirks that
+   lead to a number of common errors (such as failing to display tuples and
+   dictionaries correctly).  If the value being printed may be a tuple or
+   dictionary, wrap it in a tuple.
+
+Bytes objects (``bytes``/``bytearray``) have one unique built-in operation:
+the ``%`` operator (modulo).
+This is also known as the bytes *formatting* or *interpolation* operator.
+Given ``format % values`` (where *format* is a bytes object), ``%`` conversion
+specifications in *format* are replaced with zero or more elements of *values*.
+The effect is similar to using the :c:func:`sprintf` in the C language.
+
+If *format* requires a single argument, *values* may be a single non-tuple
+object. [5]_  Otherwise, *values* must be a tuple with exactly the number of
+items specified by the format bytes object, or a single mapping object (for
+example, a dictionary).
+
+A conversion specifier contains two or more characters and has the following
+components, which must occur in this order:
+
+#. The ``'%'`` character, which marks the start of the specifier.
+
+#. Mapping key (optional), consisting of a parenthesised sequence of characters
+   (for example, ``(somename)``).
+
+#. Conversion flags (optional), which affect the result of some conversion
+   types.
+
+#. Minimum field width (optional).  If specified as an ``'*'`` (asterisk), the
+   actual width is read from the next element of the tuple in *values*, and the
+   object to convert comes after the minimum field width and optional precision.
+
+#. Precision (optional), given as a ``'.'`` (dot) followed by the precision.  If
+   specified as ``'*'`` (an asterisk), the actual precision is read from the next
+   element of the tuple in *values*, and the value to convert comes after the
+   precision.
+
+#. Length modifier (optional).
+
+#. Conversion type.
+
+When the right argument is a dictionary (or other mapping type), then the
+formats in the bytes object *must* include a parenthesised mapping key into that
+dictionary inserted immediately after the ``'%'`` character. The mapping key
+selects the value to be formatted from the mapping.  For example:
+
+   >>> print(b'%(language)s has %(number)03d quote types.' %
+   ...       {b'language': b"Python", b"number": 2})
+   b'Python has 002 quote types.'
+
+In this case no ``*`` specifiers may occur in a format (since they require a
+sequential parameter list).
+
+The conversion flag characters are:
+
++---------+---------------------------------------------------------------------+
+| Flag    | Meaning                                                             |
++=========+=====================================================================+
+| ``'#'`` | The value conversion will use the "alternate form" (where defined   |
+|         | below).                                                             |
++---------+---------------------------------------------------------------------+
+| ``'0'`` | The conversion will be zero padded for numeric values.              |
++---------+---------------------------------------------------------------------+
+| ``'-'`` | The converted value is left adjusted (overrides the ``'0'``         |
+|         | conversion if both are given).                                      |
++---------+---------------------------------------------------------------------+
+| ``' '`` | (a space) A blank should be left before a positive number (or empty |
+|         | string) produced by a signed conversion.                            |
++---------+---------------------------------------------------------------------+
+| ``'+'`` | A sign character (``'+'`` or ``'-'``) will precede the conversion   |
+|         | (overrides a "space" flag).                                         |
++---------+---------------------------------------------------------------------+
+
+A length modifier (``h``, ``l``, or ``L``) may be present, but is ignored as it
+is not necessary for Python -- so e.g. ``%ld`` is identical to ``%d``.
+
+The conversion types are:
+
++------------+-----------------------------------------------------+-------+
+| Conversion | Meaning                                             | Notes |
++============+=====================================================+=======+
+| ``'d'``    | Signed integer decimal.                             |       |
++------------+-----------------------------------------------------+-------+
+| ``'i'``    | Signed integer decimal.                             |       |
++------------+-----------------------------------------------------+-------+
+| ``'o'``    | Signed octal value.                                 | \(1)  |
++------------+-----------------------------------------------------+-------+
+| ``'u'``    | Obsolete type -- it is identical to ``'d'``.        | \(8)  |
++------------+-----------------------------------------------------+-------+
+| ``'x'``    | Signed hexadecimal (lowercase).                     | \(2)  |
++------------+-----------------------------------------------------+-------+
+| ``'X'``    | Signed hexadecimal (uppercase).                     | \(2)  |
++------------+-----------------------------------------------------+-------+
+| ``'e'``    | Floating point exponential format (lowercase).      | \(3)  |
++------------+-----------------------------------------------------+-------+
+| ``'E'``    | Floating point exponential format (uppercase).      | \(3)  |
++------------+-----------------------------------------------------+-------+
+| ``'f'``    | Floating point decimal format.                      | \(3)  |
++------------+-----------------------------------------------------+-------+
+| ``'F'``    | Floating point decimal format.                      | \(3)  |
++------------+-----------------------------------------------------+-------+
+| ``'g'``    | Floating point format. Uses lowercase exponential   | \(4)  |
+|            | format if exponent is less than -4 or not less than |       |
+|            | precision, decimal format otherwise.                |       |
++------------+-----------------------------------------------------+-------+
+| ``'G'``    | Floating point format. Uses uppercase exponential   | \(4)  |
+|            | format if exponent is less than -4 or not less than |       |
+|            | precision, decimal format otherwise.                |       |
++------------+-----------------------------------------------------+-------+
+| ``'c'``    | Single byte (accepts integer or single              |       |
+|            | byte objects).                                      |       |
++------------+-----------------------------------------------------+-------+
+| ``'b'``    | Bytes (any object that follows the                  | \(5)  |
+|            | :ref:`buffer protocol <bufferobjects>` or has       |       |
+|            | :meth:`__bytes__`).                                 |       |
++------------+-----------------------------------------------------+-------+
+| ``'s'``    | ``'s'`` is an alias for ``'b'`` and should only     | \(6)  |
+|            | be used for Python2/3 code bases.                   |       |
++------------+-----------------------------------------------------+-------+
+| ``'a'``    | Bytes (converts any Python object using             | \(5)  |
+|            | ``repr(obj).encode('ascii','backslashreplace)``).   |       |
++------------+-----------------------------------------------------+-------+
+| ``'r'``    | ``'r'`` is an alias for ``'a'`` and should only     | \(7)  |
+|            | be used for Python2/3 code bases.                   |       |
++------------+-----------------------------------------------------+-------+
+| ``'%'``    | No argument is converted, results in a ``'%'``      |       |
+|            | character in the result.                            |       |
++------------+-----------------------------------------------------+-------+
+
+Notes:
+
+(1)
+   The alternate form causes a leading zero (``'0'``) to be inserted between
+   left-hand padding and the formatting of the number if the leading character
+   of the result is not already a zero.
+
+(2)
+   The alternate form causes a leading ``'0x'`` or ``'0X'`` (depending on whether
+   the ``'x'`` or ``'X'`` format was used) to be inserted between left-hand padding
+   and the formatting of the number if the leading character of the result is not
+   already a zero.
+
+(3)
+   The alternate form causes the result to always contain a decimal point, even if
+   no digits follow it.
+
+   The precision determines the number of digits after the decimal point and
+   defaults to 6.
+
+(4)
+   The alternate form causes the result to always contain a decimal point, and
+   trailing zeroes are not removed as they would otherwise be.
+
+   The precision determines the number of significant digits before and after the
+   decimal point and defaults to 6.
+
+(5)
+   If precision is ``N``, the output is truncated to ``N`` characters.
+
+(6)
+   ``b'%s'`` is deprecated, but will not be removed during the 3.x series.
+
+(7)
+   ``b'%r'`` is deprecated, but will not be removed during the 3.x series.
+
+(8)
+   See :pep:`237`.
+
+.. note::
+
+   The bytearray version of this method does *not* operate in place - it
+   always produces a new object, even if no changes were made.
+
+.. seealso:: :pep:`461`.
+.. versionadded:: 3.5
+
 .. _typememoryview:
 
 Memory Views
@@ -3117,10 +3314,8 @@ copying.
    the view. The :class:`~memoryview.itemsize` attribute will give you the
    number of bytes in a single element.
 
-   A :class:`memoryview` supports slicing to expose its data. If
-   :class:`~memoryview.format` is one of the native format specifiers
-   from the :mod:`struct` module, indexing will return a single element
-   with the correct type. Full slicing will result in a subview::
+   A :class:`memoryview` supports slicing and indexing to expose its data.
+   One-dimensional slicing will result in a subview::
 
     >>> v = memoryview(b'abcefg')
     >>> v[1]
@@ -3132,25 +3327,29 @@ copying.
     >>> bytes(v[1:4])
     b'bce'
 
-   Other native formats::
+   If :class:`~memoryview.format` is one of the native format specifiers
+   from the :mod:`struct` module, indexing with an integer or a tuple of
+   integers is also supported and returns a single *element* with
+   the correct type.  One-dimensional memoryviews can be indexed
+   with an integer or a one-integer tuple.  Multi-dimensional memoryviews
+   can be indexed with tuples of exactly *ndim* integers where *ndim* is
+   the number of dimensions.  Zero-dimensional memoryviews can be indexed
+   with the empty tuple.
+
+   Here is an example with a non-byte format::
 
       >>> import array
       >>> a = array.array('l', [-11111111, 22222222, -33333333, 44444444])
-      >>> a[0]
+      >>> m = memoryview(a)
+      >>> m[0]
       -11111111
-      >>> a[-1]
+      >>> m[-1]
       44444444
-      >>> a[2:3].tolist()
-      [-33333333]
-      >>> a[::2].tolist()
+      >>> m[::2].tolist()
       [-11111111, -33333333]
-      >>> a[::-1].tolist()
-      [44444444, -33333333, 22222222, -11111111]
 
-   .. versionadded:: 3.3
-
-   If the underlying object is writable, the memoryview supports slice
-   assignment. Resizing is not allowed::
+   If the underlying object is writable, the memoryview supports
+   one-dimensional slice assignment. Resizing is not allowed::
 
       >>> data = bytearray(b'abcefg')
       >>> v = memoryview(data)
@@ -3183,12 +3382,16 @@ copying.
       True
 
    .. versionchanged:: 3.3
+      One-dimensional memoryviews can now be sliced.
       One-dimensional memoryviews with formats 'B', 'b' or 'c' are now hashable.
 
    .. versionchanged:: 3.4
       memoryview is now registered automatically with
       :class:`collections.abc.Sequence`
 
+   .. versionchanged:: 3.5
+      memoryviews can now be indexed with tuple of integers.
+
    :class:`memoryview` has several methods:
 
    .. method:: __eq__(exporter)
diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index f9da5fa..eab9f37 100644
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -95,6 +95,10 @@ implementation as the built-in :meth:`format` method.
       an arbitrary set of positional and keyword arguments.
       :meth:`format` is just a wrapper that calls :meth:`vformat`.
 
+      .. deprecated:: 3.5
+         Passing a format string as keyword argument *format_string* has been
+         deprecated.
+
    .. method:: vformat(format_string, args, kwargs)
 
       This function does the actual work of formatting.  It is exposed as a
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 36cbf3c..9a2f4de 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -25,160 +25,99 @@ modules and functions can be found in the following sections.
 Using the :mod:`subprocess` Module
 ----------------------------------
 
-The recommended approach to invoking subprocesses is to use the following
-convenience functions for all use cases they can handle. For more advanced
-use cases, the underlying :class:`Popen` interface can be used directly.
+The recommended approach to invoking subprocesses is to use the :func:`run`
+function for all use cases it can handle. For more advanced use cases, the
+underlying :class:`Popen` interface can be used directly.
 
+The :func:`run` function was added in Python 3.5; if you need to retain
+compatibility with older versions, see the :ref:`call-function-trio` section.
 
-.. function:: call(args, *, stdin=None, stdout=None, stderr=None, shell=False, timeout=None)
+
+.. function:: run(args, *, stdin=None, input=None, stdout=None, stderr=None,\
+                  shell=False, timeout=None, check=False)
 
    Run the command described by *args*.  Wait for command to complete, then
-   return the :attr:`returncode` attribute.
+   return a :class:`CompletedProcess` instance.
 
    The arguments shown above are merely the most common ones, described below
    in :ref:`frequently-used-arguments` (hence the use of keyword-only notation
    in the abbreviated signature). The full function signature is largely the
-   same as that of the :class:`Popen` constructor - this function passes all
-   supplied arguments other than *timeout* directly through to that interface.
+   same as that of the :class:`Popen` constructor - apart from *timeout*,
+   *input* and *check*, all the arguments to this function are passed through to
+   that interface.
 
-   The *timeout* argument is passed to :meth:`Popen.wait`. If the timeout
-   expires, the child process will be killed and then waited for again.  The
+   This does not capture stdout or stderr by default. To do so, pass
+   :data:`PIPE` for the *stdout* and/or *stderr* arguments.
+
+   The *timeout* argument is passed to :meth:`Popen.communicate`. If the timeout
+   expires, the child process will be killed and waited for.  The
    :exc:`TimeoutExpired` exception will be re-raised after the child process
    has terminated.
 
-   Examples::
-
-      >>> subprocess.call(["ls", "-l"])
-      0
-
-      >>> subprocess.call("exit 1", shell=True)
-      1
-
-   .. note::
-
-      Do not use ``stdout=PIPE`` or ``stderr=PIPE`` with this
-      function.  The child process will block if it generates enough
-      output to a pipe to fill up the OS pipe buffer as the pipes are
-      not being read from.
-
-   .. versionchanged:: 3.3
-      *timeout* was added.
-
-
-.. function:: check_call(args, *, stdin=None, stdout=None, stderr=None, shell=False, timeout=None)
-
-   Run command with arguments.  Wait for command to complete. If the return
-   code was zero then return, otherwise raise :exc:`CalledProcessError`. The
-   :exc:`CalledProcessError` object will have the return code in the
-   :attr:`~CalledProcessError.returncode` attribute.
-
-   The arguments shown above are merely the most common ones, described below
-   in :ref:`frequently-used-arguments` (hence the use of keyword-only notation
-   in the abbreviated signature). The full function signature is largely the
-   same as that of the :class:`Popen` constructor - this function passes all
-   supplied arguments other than *timeout* directly through to that interface.
+   The *input* argument is passed to :meth:`Popen.communicate` and thus to the
+   subprocess's stdin.  If used it must be a byte sequence, or a string if
+   ``universal_newlines=True``.  When used, the internal :class:`Popen` object
+   is automatically created with ``stdin=PIPE``, and the *stdin* argument may
+   not be used as well.
 
-   The *timeout* argument is passed to :meth:`Popen.wait`. If the timeout
-   expires, the child process will be killed and then waited for again.  The
-   :exc:`TimeoutExpired` exception will be re-raised after the child process
-   has terminated.
+   If *check* is True, and the process exits with a non-zero exit code, a
+   :exc:`CalledProcessError` exception will be raised. Attributes of that
+   exception hold the arguments, the exit code, and stdout and stderr if they
+   were captured.
 
    Examples::
 
-      >>> subprocess.check_call(["ls", "-l"])
-      0
+      >>> subprocess.run(["ls", "-l"])  # doesn't capture output
+      CompletedProcess(args=['ls', '-l'], returncode=0)
 
-      >>> subprocess.check_call("exit 1", shell=True)
+      >>> subprocess.run("exit 1", shell=True, check=True)
       Traceback (most recent call last):
-         ...
+        ...
       subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1
 
-   .. note::
+      >>> subprocess.run(["ls", "-l", "/dev/null"], stdout=subprocess.PIPE)
+      CompletedProcess(args=['ls', '-l', '/dev/null'], returncode=0,
+      stdout=b'crw-rw-rw- 1 root root 1, 3 Jan 23 16:23 /dev/null\n')
 
-      Do not use ``stdout=PIPE`` or ``stderr=PIPE`` with this
-      function.  The child process will block if it generates enough
-      output to a pipe to fill up the OS pipe buffer as the pipes are
-      not being read from.
+   .. versionadded:: 3.5
 
-   .. versionchanged:: 3.3
-      *timeout* was added.
+.. class:: CompletedProcess
 
+   The return value from :func:`run`, representing a process that has finished.
 
-.. function:: check_output(args, *, input=None, stdin=None, stderr=None, shell=False, universal_newlines=False, timeout=None)
+   .. attribute:: args
 
-   Run command with arguments and return its output.
+      The arguments used to launch the process. This may be a list or a string.
 
-   If the return code was non-zero it raises a :exc:`CalledProcessError`. The
-   :exc:`CalledProcessError` object will have the return code in the
-   :attr:`~CalledProcessError.returncode` attribute and any output in the
-   :attr:`~CalledProcessError.output` attribute.
+   .. attribute:: returncode
 
-   The arguments shown above are merely the most common ones, described below
-   in :ref:`frequently-used-arguments` (hence the use of keyword-only notation
-   in the abbreviated signature). The full function signature is largely the
-   same as that of the :class:`Popen` constructor - this functions passes all
-   supplied arguments other than *input* and *timeout* directly through to
-   that interface.  In addition, *stdout* is not permitted as an argument, as
-   it is used internally to collect the output from the subprocess.
+      Exit status of the child process. Typically, an exit status of 0 indicates
+      that it ran successfully.
 
-   The *timeout* argument is passed to :meth:`Popen.wait`. If the timeout
-   expires, the child process will be killed and then waited for again.  The
-   :exc:`TimeoutExpired` exception will be re-raised after the child process
-   has terminated.
+      A negative value ``-N`` indicates that the child was terminated by signal
+      ``N`` (POSIX only).
 
-   The *input* argument is passed to :meth:`Popen.communicate` and thus to the
-   subprocess's stdin.  If used it must be a byte sequence, or a string if
-   ``universal_newlines=True``.  When used, the internal :class:`Popen` object
-   is automatically created with ``stdin=PIPE``, and the *stdin* argument may
-   not be used as well.
+   .. attribute:: stdout
 
-   Examples::
+      Captured stdout from the child process. A bytes sequence, or a string if
+      :func:`run` was called with ``universal_newlines=True``. None if stdout
+      was not captured.
 
-      >>> subprocess.check_output(["echo", "Hello World!"])
-      b'Hello World!\n'
+      If you ran the process with ``stderr=subprocess.STDOUT``, stdout and
+      stderr will be combined in this attribute, and :attr:`stderr` will be
+      None.
 
-      >>> subprocess.check_output(["echo", "Hello World!"], universal_newlines=True)
-      'Hello World!\n'
+   .. attribute:: stderr
 
-      >>> subprocess.check_output(["sed", "-e", "s/foo/bar/"],
-      ...                         input=b"when in the course of fooman events\n")
-      b'when in the course of barman events\n'
+      Captured stderr from the child process. A bytes sequence, or a string if
+      :func:`run` was called with ``universal_newlines=True``. None if stderr
+      was not captured.
 
-      >>> subprocess.check_output("exit 1", shell=True)
-      Traceback (most recent call last):
-         ...
-      subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1
+   .. method:: check_returncode()
 
-   By default, this function will return the data as encoded bytes. The actual
-   encoding of the output data may depend on the command being invoked, so the
-   decoding to text will often need to be handled at the application level.
+      If :attr:`returncode` is non-zero, raise a :exc:`CalledProcessError`.
 
-   This behaviour may be overridden by setting *universal_newlines* to
-   ``True`` as described below in :ref:`frequently-used-arguments`.
-
-   To also capture standard error in the result, use
-   ``stderr=subprocess.STDOUT``::
-
-      >>> subprocess.check_output(
-      ...     "ls non_existent_file; exit 0",
-      ...     stderr=subprocess.STDOUT,
-      ...     shell=True)
-      'ls: non_existent_file: No such file or directory\n'
-
-   .. note::
-
-      Do not use ``stdout=PIPE`` or ``stderr=PIPE`` with this
-      function.  The child process will block if it generates enough
-      output to a pipe to fill up the OS pipe buffer as the pipes are
-      not being read from.
-
-   .. versionadded:: 3.1
-
-   .. versionchanged:: 3.3
-      *timeout* was added.
-
-   .. versionchanged:: 3.4
-      *input* was added.
+   .. versionadded:: 3.5
 
 .. data:: DEVNULL
 
@@ -225,11 +164,22 @@ use cases, the underlying :class:`Popen` interface can be used directly.
 
     .. attribute:: output
 
-        Output of the child process if this exception is raised by
+        Output of the child process if it was captured by :func:`run` or
         :func:`check_output`.  Otherwise, ``None``.
 
+    .. attribute:: stdout
+
+        Alias for output, for symmetry with :attr:`stderr`.
+
+    .. attribute:: stderr
+
+        Stderr output of the child process if it was captured by :func:`run`.
+        Otherwise, ``None``.
+
     .. versionadded:: 3.3
 
+    .. versionchanged:: 3.5
+        *stdout* and *stderr* attributes added
 
 .. exception:: CalledProcessError
 
@@ -246,9 +196,20 @@ use cases, the underlying :class:`Popen` interface can be used directly.
 
     .. attribute:: output
 
-        Output of the child process if this exception is raised by
+        Output of the child process if it was captured by :func:`run` or
         :func:`check_output`.  Otherwise, ``None``.
 
+    .. attribute:: stdout
+
+        Alias for output, for symmetry with :attr:`stderr`.
+
+    .. attribute:: stderr
+
+        Stderr output of the child process if it was captured by :func:`run`.
+        Otherwise, ``None``.
+
+    .. versionchanged:: 3.5
+        *stdout* and *stderr* attributes added
 
 
 .. _frequently-used-arguments:
@@ -635,6 +596,7 @@ Instances of the :class:`Popen` class have the following methods:
    must be bytes or, if *universal_newlines* was ``True``, a string.
 
    :meth:`communicate` returns a tuple ``(stdout_data, stderr_data)``.
+   The data will be bytes or, if *universal_newlines* was ``True``, strings.
 
    Note that if you want to send data to the process's stdin, you need to create
    the Popen object with ``stdin=PIPE``.  Similarly, to get anything other than
@@ -851,6 +813,96 @@ The :mod:`subprocess` module exposes the following constants.
 
    This flag is ignored if :data:`CREATE_NEW_CONSOLE` is specified.
 
+.. _call-function-trio:
+
+Older high-level API
+--------------------
+
+Prior to Python 3.5, these three functions comprised the high level API to
+subprocess. You can now use :func:`run` in many cases, but lots of existing code
+calls these functions.
+
+.. function:: call(args, *, stdin=None, stdout=None, stderr=None, shell=False, timeout=None)
+
+   Run the command described by *args*.  Wait for command to complete, then
+   return the :attr:`returncode` attribute.
+
+   This is equivalent to::
+
+       run(...).returncode
+
+   (except that the *input* and *check* parameters are not supported)
+
+   .. note::
+
+      Do not use ``stdout=PIPE`` or ``stderr=PIPE`` with this
+      function.  The child process will block if it generates enough
+      output to a pipe to fill up the OS pipe buffer as the pipes are
+      not being read from.
+
+   .. versionchanged:: 3.3
+      *timeout* was added.
+
+.. function:: check_call(args, *, stdin=None, stdout=None, stderr=None, shell=False, timeout=None)
+
+   Run command with arguments.  Wait for command to complete. If the return
+   code was zero then return, otherwise raise :exc:`CalledProcessError`. The
+   :exc:`CalledProcessError` object will have the return code in the
+   :attr:`~CalledProcessError.returncode` attribute.
+
+   This is equivalent to::
+
+       run(..., check=True)
+
+   (except that the *input* parameter is not supported)
+
+   .. note::
+
+      Do not use ``stdout=PIPE`` or ``stderr=PIPE`` with this
+      function.  The child process will block if it generates enough
+      output to a pipe to fill up the OS pipe buffer as the pipes are
+      not being read from.
+
+   .. versionchanged:: 3.3
+      *timeout* was added.
+
+
+.. function:: check_output(args, *, input=None, stdin=None, stderr=None, shell=False, universal_newlines=False, timeout=None)
+
+   Run command with arguments and return its output.
+
+   If the return code was non-zero it raises a :exc:`CalledProcessError`. The
+   :exc:`CalledProcessError` object will have the return code in the
+   :attr:`~CalledProcessError.returncode` attribute and any output in the
+   :attr:`~CalledProcessError.output` attribute.
+
+   This is equivalent to::
+
+       run(..., check=True, stdout=PIPE).stdout
+
+   By default, this function will return the data as encoded bytes. The actual
+   encoding of the output data may depend on the command being invoked, so the
+   decoding to text will often need to be handled at the application level.
+
+   This behaviour may be overridden by setting *universal_newlines* to
+   ``True`` as described above in :ref:`frequently-used-arguments`.
+
+   To also capture standard error in the result, use
+   ``stderr=subprocess.STDOUT``::
+
+      >>> subprocess.check_output(
+      ...     "ls non_existent_file; exit 0",
+      ...     stderr=subprocess.STDOUT,
+      ...     shell=True)
+      'ls: non_existent_file: No such file or directory\n'
+
+   .. versionadded:: 3.1
+
+   .. versionchanged:: 3.3
+      *timeout* was added.
+
+   .. versionchanged:: 3.4
+      *input* was added.
 
 .. _subprocess-replacements:
 
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 3024086..3080b69 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -167,7 +167,7 @@ always available.
 
 .. data:: dont_write_bytecode
 
-   If this is true, Python won't try to write ``.pyc`` or ``.pyo`` files on the
+   If this is true, Python won't try to write ``.pyc`` files on the
    import of source modules.  This value is initially set to ``True`` or
    ``False`` depending on the :option:`-B` command line option and the
    :envvar:`PYTHONDONTWRITEBYTECODE` environment variable, but you can set it
@@ -718,6 +718,14 @@ always available.
    value of :func:`intern` around to benefit from it.
 
 
+.. function:: is_finalizing()
+
+   Return :const:`True` if the Python interpreter is
+   :term:`shutting down <interpreter shutdown>`, :const:`False` otherwise.
+
+   .. versionadded:: 3.5
+
+
 .. data:: last_type
           last_value
           last_traceback
@@ -1223,4 +1231,3 @@ always available.
 .. rubric:: Citations
 
 .. [C99] ISO/IEC 9899:1999.  "Programming languages -- C."  A public draft of this standard is available at http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf\ .
-
diff --git a/Doc/library/tarfile.rst b/Doc/library/tarfile.rst
index 05f29ad..adacb0a 100644
--- a/Doc/library/tarfile.rst
+++ b/Doc/library/tarfile.rst
@@ -62,6 +62,23 @@ Some facts and figures:
    +------------------+---------------------------------------------+
    | ``'r:xz'``       | Open for reading with lzma compression.     |
    +------------------+---------------------------------------------+
+   | ``'x'`` or       | Create a tarfile exclusively without        |
+   | ``'x:'``         | compression.                                |
+   |                  | Raise an :exc:`FileExistsError` exception   |
+   |                  | if it is already exists.                    |
+   +------------------+---------------------------------------------+
+   | ``'x:gz'``       | Create a tarfile with gzip compression.     |
+   |                  | Raise an :exc:`FileExistsError` exception   |
+   |                  | if it is already exists.                    |
+   +------------------+---------------------------------------------+
+   | ``'x:bz2'``      | Create a tarfile with bzip2 compression.    |
+   |                  | Raise an :exc:`FileExistsError` exception   |
+   |                  | if it is already exists.                    |
+   +------------------+---------------------------------------------+
+   | ``'x:xz'``       | Create a tarfile with lzma compression.     |
+   |                  | Raise an :exc:`FileExistsError` exception   |
+   |                  | if it is already exists.                    |
+   +------------------+---------------------------------------------+
    | ``'a' or 'a:'``  | Open for appending with no compression. The |
    |                  | file is created if it does not exist.       |
    +------------------+---------------------------------------------+
@@ -82,9 +99,9 @@ Some facts and figures:
    If *fileobj* is specified, it is used as an alternative to a :term:`file object`
    opened in binary mode for *name*. It is supposed to be at position 0.
 
-   For modes ``'w:gz'``, ``'r:gz'``, ``'w:bz2'``, ``'r:bz2'``, :func:`tarfile.open`
-   accepts the keyword argument *compresslevel* to specify the compression level of
-   the file.
+   For modes ``'w:gz'``, ``'r:gz'``, ``'w:bz2'``, ``'r:bz2'``, ``'x:gz'``,
+   ``'x:bz2'``, :func:`tarfile.open` accepts the keyword argument
+   *compresslevel* to specify the compression level of the file.
 
    For special purposes, there is a second format for *mode*:
    ``'filemode|[compression]'``.  :func:`tarfile.open` will return a :class:`TarFile`
@@ -127,6 +144,8 @@ Some facts and figures:
    |             | writing.                                   |
    +-------------+--------------------------------------------+
 
+   .. versionchanged:: 3.5
+      The ``'x'`` (exclusive creation) mode was added.
 
 .. class:: TarFile
 
@@ -252,8 +271,8 @@ be finalized; only the internally used file object will be closed. See the
    In this case, the file object's :attr:`name` attribute is used if it exists.
 
    *mode* is either ``'r'`` to read from an existing archive, ``'a'`` to append
-   data to an existing file or ``'w'`` to create a new file overwriting an existing
-   one.
+   data to an existing file, ``'w'`` to create a new file overwriting an existing
+   one or ``'x'`` to create a new file only if it's not exists.
 
    If *fileobj* is given, it is used for reading or writing data. If it can be
    determined, *mode* is overridden by *fileobj*'s mode. *fileobj* will be used
@@ -292,12 +311,14 @@ be finalized; only the internally used file object will be closed. See the
    to be handled. The default settings will work for most users.
    See section :ref:`tar-unicode` for in-depth information.
 
-   .. versionchanged:: 3.2
-      Use ``'surrogateescape'`` as the default for the *errors* argument.
-
    The *pax_headers* argument is an optional dictionary of strings which
    will be added as a pax global header if *format* is :const:`PAX_FORMAT`.
 
+   .. versionchanged:: 3.2
+      Use ``'surrogateescape'`` as the default for the *errors* argument.
+
+   .. versionchanged:: 3.5
+      The ``'x'`` (exclusive creation) mode was added.
 
 .. classmethod:: TarFile.open(...)
 
@@ -328,11 +349,15 @@ be finalized; only the internally used file object will be closed. See the
    returned by :meth:`getmembers`.
 
 
-.. method:: TarFile.list(verbose=True)
+.. method:: TarFile.list(verbose=True, *, members=None)
 
    Print a table of contents to ``sys.stdout``. If *verbose* is :const:`False`,
    only the names of the members are printed. If it is :const:`True`, output
-   similar to that of :program:`ls -l` is produced.
+   similar to that of :program:`ls -l` is produced. If optional *members* is
+   given, it must be a subset of the list returned by :meth:`getmembers`.
+
+   .. versionchanged:: 3.5
+      Added the *members* parameter.
 
 
 .. method:: TarFile.next()
@@ -342,7 +367,7 @@ be finalized; only the internally used file object will be closed. See the
    available.
 
 
-.. method:: TarFile.extractall(path=".", members=None)
+.. method:: TarFile.extractall(path=".", members=None, *, numeric_owner=False)
 
    Extract all members from the archive to the current working directory or
    directory *path*. If optional *members* is given, it must be a subset of the
@@ -352,6 +377,10 @@ be finalized; only the internally used file object will be closed. See the
    reset each time a file is created in it. And, if a directory's permissions do
    not allow writing, extracting files to it will fail.
 
+   If *numeric_owner* is :const:`True`, the uid and gid numbers from the tarfile
+   are used to set the owner/group for the extracted files. Otherwise, the named
+   values from the tarfile are used.
+
    .. warning::
 
       Never extract archives from untrusted sources without prior inspection.
@@ -359,8 +388,11 @@ be finalized; only the internally used file object will be closed. See the
       that have absolute filenames starting with ``"/"`` or filenames with two
       dots ``".."``.
 
+   .. versionchanged:: 3.5
+      Added the *numeric_only* parameter.
 
-.. method:: TarFile.extract(member, path="", set_attrs=True)
+
+.. method:: TarFile.extract(member, path="", set_attrs=True, *, numeric_owner=False)
 
    Extract a member from the archive to the current working directory, using its
    full name. Its file information is extracted as accurately as possible. *member*
@@ -368,6 +400,10 @@ be finalized; only the internally used file object will be closed. See the
    directory using *path*. File attributes (owner, mtime, mode) are set unless
    *set_attrs* is false.
 
+   If *numeric_owner* is :const:`True`, the uid and gid numbers from the tarfile
+   are used to set the owner/group for the extracted files. Otherwise, the named
+   values from the tarfile are used.
+
    .. note::
 
       The :meth:`extract` method does not take care of several extraction issues.
@@ -380,6 +416,9 @@ be finalized; only the internally used file object will be closed. See the
    .. versionchanged:: 3.2
       Added the *set_attrs* parameter.
 
+   .. versionchanged:: 3.5
+      Added the *numeric_only* parameter.
+
 .. method:: TarFile.extractfile(member)
 
    Extract a member from the archive as a file object. *member* may be a filename
@@ -802,4 +841,3 @@ In case of :const:`PAX_FORMAT` archives, *encoding* is generally not needed
 because all the metadata is stored using *UTF-8*. *encoding* is only used in
 the rare cases when binary pax headers are decoded or when strings with
 surrogate characters are stored.
-
diff --git a/Doc/library/tempfile.rst b/Doc/library/tempfile.rst
index 44d025d..2c68377 100644
--- a/Doc/library/tempfile.rst
+++ b/Doc/library/tempfile.rst
@@ -54,6 +54,13 @@ The module defines the following user-callable items:
    underlying true file object. This file-like object can be used in a
    :keyword:`with` statement, just like a normal file.
 
+   The :py:data:`os.O_TMPFILE` flag is used if it is available and works
+   (Linux-specific, require Linux kernel 3.11 or later).
+
+   .. versionchanged:: 3.5
+
+      The :py:data:`os.O_TMPFILE` flag is now used if available.
+
 
 .. function:: NamedTemporaryFile(mode='w+b', buffering=None, encoding=None, newline=None, suffix='', prefix='tmp', dir=None, delete=True)
 
diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index 974909e..8f2df7c 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -568,6 +568,17 @@ The :mod:`test.support` module defines the following functions:
       def load_tests(*args):
           return load_package_tests(os.path.dirname(__file__), *args)
 
+.. function:: detect_api_mismatch(ref_api, other_api, *, ignore=()):
+
+   Returns the set of attributes, functions or methods of `ref_api` not
+   found on `other_api`, except for a defined list of items to be
+   ignored in this check specified in `ignore`.
+
+   By default this skips private attributes beginning with '_' but
+   includes all magic methods, i.e. those starting and ending in '__'.
+
+   .. versionadded:: 3.5
+
 
 The :mod:`test.support` module defines the following classes:
 
diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 0133a8f..5269994 100644
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -630,7 +630,7 @@ item to the buffer only needs to wake up one consumer thread.
             cv.wait()
 
       Therefore, the same rules apply as with :meth:`wait`: The lock must be
-      held when called and is re-aquired on return.  The predicate is evaluated
+      held when called and is re-acquired on return.  The predicate is evaluated
       with the lock held.
 
       .. versionadded:: 3.2
diff --git a/Doc/library/time.rst b/Doc/library/time.rst
index 8d8b7d4..3d335c8 100644
--- a/Doc/library/time.rst
+++ b/Doc/library/time.rst
@@ -314,9 +314,9 @@ The module defines the following functions and data items:
    processes running for more than 49 days. On more recent versions of Windows
    and on other operating systems, :func:`monotonic` is system-wide.
 
-   Availability: Windows, Mac OS X, Linux, FreeBSD, OpenBSD, Solaris.
-
    .. versionadded:: 3.3
+   .. versionchanged:: 3.5
+      The function is now always available.
 
 
 .. function:: perf_counter()
@@ -350,6 +350,11 @@ The module defines the following functions and data items:
    requested by an arbitrary amount because of the scheduling of other activity
    in the system.
 
+   .. versionchanged:: 3.5
+      The function now sleeps at least *secs* even if the sleep is interrupted
+      by a signal, except if the signal handler raises an exception (see
+      :pep:`475` for the rationale).
+
 
 .. function:: strftime(format[, t])
 
diff --git a/Doc/library/timeit.rst b/Doc/library/timeit.rst
index 70df409..d1051f6 100644
--- a/Doc/library/timeit.rst
+++ b/Doc/library/timeit.rst
@@ -59,18 +59,26 @@ Python Interface
 The module defines three convenience functions and a public class:
 
 
-.. function:: timeit(stmt='pass', setup='pass', timer=<default timer>, number=1000000)
+.. function:: timeit(stmt='pass', setup='pass', timer=<default timer>, number=1000000, globals=None)
 
    Create a :class:`Timer` instance with the given statement, *setup* code and
    *timer* function and run its :meth:`.timeit` method with *number* executions.
+   The optional *globals* argument specifies a namespace in which to execute the
+   code.
 
+   .. versionchanged:: 3.5
+      The optional *globals* parameter was added.
 
-.. function:: repeat(stmt='pass', setup='pass', timer=<default timer>, repeat=3, number=1000000)
+
+.. function:: repeat(stmt='pass', setup='pass', timer=<default timer>, repeat=3, number=1000000, globals=None)
 
    Create a :class:`Timer` instance with the given statement, *setup* code and
    *timer* function and run its :meth:`.repeat` method with the given *repeat*
-   count and *number* executions.
+   count and *number* executions.  The optional *globals* argument specifies a
+   namespace in which to execute the code.
 
+   .. versionchanged:: 3.5
+      The optional *globals* parameter was added.
 
 .. function:: default_timer()
 
@@ -80,7 +88,7 @@ The module defines three convenience functions and a public class:
       :func:`time.perf_counter` is now the default timer.
 
 
-.. class:: Timer(stmt='pass', setup='pass', timer=<timer function>)
+.. class:: Timer(stmt='pass', setup='pass', timer=<timer function>, globals=None)
 
    Class for timing execution speed of small code snippets.
 
@@ -88,7 +96,9 @@ The module defines three convenience functions and a public class:
    for setup, and a timer function.  Both statements default to ``'pass'``;
    the timer function is platform-dependent (see the module doc string).
    *stmt* and *setup* may also contain multiple statements separated by ``;``
-   or newlines, as long as they don't contain multi-line string literals.
+   or newlines, as long as they don't contain multi-line string literals.  The
+   statement will by default be executed within timeit's namespace; this behavior
+   can be controlled by passing a namespace to *globals*.
 
    To measure the execution time of the first statement, use the :meth:`.timeit`
    method.  The :meth:`.repeat` method is a convenience to call :meth:`.timeit`
@@ -101,6 +111,8 @@ The module defines three convenience functions and a public class:
    will then be executed by :meth:`.timeit`.  Note that the timing overhead is a
    little larger in this case because of the extra function calls.
 
+   .. versionchanged:: 3.5
+      The optional *globals* parameter was added.
 
    .. method:: Timer.timeit(number=1000000)
 
@@ -169,7 +181,7 @@ Command-Line Interface
 
 When called as a program from the command line, the following form is used::
 
-   python -m timeit [-n N] [-r N] [-s S] [-t] [-c] [-h] [statement ...]
+   python -m timeit [-n N] [-r N] [-u U] [-s S] [-t] [-c] [-h] [statement ...]
 
 Where the following options are understood:
 
@@ -198,6 +210,12 @@ Where the following options are understood:
 
    use :func:`time.time` (deprecated)
 
+.. cmdoption:: -u, --unit=U
+
+    specify a time unit for timer output; can select usec, msec, or sec
+
+   .. versionadded:: 3.5
+
 .. cmdoption:: -c, --clock
 
    use :func:`time.clock` (deprecated)
@@ -320,3 +338,17 @@ To give the :mod:`timeit` module access to functions you define, you can pass a
    if __name__ == '__main__':
        import timeit
        print(timeit.timeit("test()", setup="from __main__ import test"))
+
+Another option is to pass :func:`globals` to the  *globals* parameter, which will cause the code
+to be executed within your current global namespace.  This can be more convenient
+than individually specifying imports::
+
+   def f(x):
+       return x**2
+   def g(x):
+       return x**4
+   def h(x):
+       return x**8
+
+   import timeit
+   print(timeit.timeit('[func(42) for func in (f,g,h)]', globals=globals()))
diff --git a/Doc/library/tkinter.ttk.rst b/Doc/library/tkinter.ttk.rst
index 6f8bf1c..b0eefcb 100644
--- a/Doc/library/tkinter.ttk.rst
+++ b/Doc/library/tkinter.ttk.rst
@@ -1167,7 +1167,7 @@ Ttk Styling
 Each widget in :mod:`ttk` is assigned a style, which specifies the set of
 elements making up the widget and how they are arranged, along with dynamic
 and default settings for element options. By default the style name is the
-same as the widget's class name, but it may be overriden by the widget's style
+same as the widget's class name, but it may be overridden by the widget's style
 option. If you don't know the class name of a widget, use the method
 :meth:`Misc.winfo_class` (somewidget.winfo_class()).
 
diff --git a/Doc/library/token.rst b/Doc/library/token.rst
index 4cd7098..88fb38b 100644
--- a/Doc/library/token.rst
+++ b/Doc/library/token.rst
@@ -93,6 +93,7 @@ The token constants are:
           DOUBLESLASH
           DOUBLESLASHEQUAL
           AT
+          ATEQUAL
           RARROW
           ELLIPSIS
           OP
diff --git a/Doc/library/traceback.rst b/Doc/library/traceback.rst
index 15fbedc..c6b5d0c 100644
--- a/Doc/library/traceback.rst
+++ b/Doc/library/traceback.rst
@@ -136,6 +136,162 @@ The module defines the following functions:
 
    .. versionadded:: 3.4
 
+.. function:: walk_stack(f)
+
+   Walk a stack following ``f.f_back`` from the given frame, yielding the frame
+   and line number for each frame. If *f* is ``None``, the current stack is
+   used. This helper is used with :meth:`StackSummary.extract`.
+
+   .. versionadded:: 3.5
+
+.. function:: walk_tb(tb)
+
+   Walk a traceback following ``tb_next`` yielding the frame and line number
+   for each frame. This helper is used with :meth:`StackSummary.extract`.
+
+   .. versionadded:: 3.5
+
+The module also defines the following classes:
+
+:class:`TracebackException` Objects
+-----------------------------------
+
+.. versionadded:: 3.5
+
+:class:`TracebackException` objects are created from actual exceptions to
+capture data for later printing in a lightweight fashion.
+
+.. class:: TracebackException(exc_type, exc_value, exc_traceback, *, limit=None, lookup_lines=True, capture_locals=False)
+
+   Capture an exception for later rendering. *limit*, *lookup_lines* and
+   *capture_locals* are as for the :class:`StackSummary` class.
+
+   Note that when locals are captured, they are also shown in the traceback.
+
+   .. attribute:: __cause__
+
+      A :class:`TracebackException` of the original ``__cause__``.
+
+   .. attribute:: __context__
+
+      A :class:`TracebackException` of the original ``__context__``.
+
+   .. attribute:: __suppress_context__
+
+      The ``__suppress_context__`` value from the original exception.
+
+   .. attribute:: stack
+
+      A :class:`StackSummary` representing the traceback.
+
+   .. attribute:: exc_type
+
+      The class of the original traceback.
+
+   .. attribute:: filename
+
+      For syntax errors - the file name where the error occurred.
+
+   .. attribute:: lineno
+
+      For syntax errors - the line number where the error occurred.
+
+   .. attribute:: text
+
+      For syntax errors - the text where the error occurred.
+
+   .. attribute:: offset
+
+      For syntax errors - the offset into the text where the error occurred.
+
+   .. attribute:: msg
+
+      For syntax errors - the compiler error message.
+
+   .. classmethod:: from_exception(exc, *, limit=None, lookup_lines=True, capture_locals=False)
+
+      Capture an exception for later rendering. *limit*, *lookup_lines* and
+      *capture_locals* are as for the :class:`StackSummary` class.
+
+      Note that when locals are captured, they are also shown in the traceback.
+
+   .. method:: format(*, chain=True)
+
+      Format the exception.
+
+      If *chain* is not ``True``, ``__cause__`` and ``__context__`` will not
+      be formatted.
+
+      The return value is a generator of strings, each ending in a newline and
+      some containing internal newlines. :func:`~traceback.print_exception`
+      is a wrapper around this method which just prints the lines to a file.
+
+      The message indicating which exception occurred is always the last
+      string in the output.
+
+   .. method::  format_exception_only()
+
+      Format the exception part of the traceback.
+
+      The return value is a generator of strings, each ending in a newline.
+
+      Normally, the generator emits a single string; however, for
+      :exc:`SyntaxError` exceptions, it emits several lines that (when
+      printed) display detailed information about where the syntax
+      error occurred.
+
+      The message indicating which exception occurred is always the last
+      string in the output.
+
+
+:class:`StackSummary` Objects
+-----------------------------
+
+.. versionadded:: 3.5
+
+:class:`StackSummary` objects represent a call stack ready for formatting.
+
+.. class:: StackSummary
+
+   .. classmethod:: extract(frame_gen, *, limit=None, lookup_lines=True, capture_locals=False)
+
+      Construct a :class:`StackSummary` object from a frame generator (such as
+      is returned by :func:`~traceback.walk_stack` or
+      :func:`~traceback.walk_tb`).
+
+      If *limit* is supplied, only this many frames are taken from *frame_gen*.
+      If *lookup_lines* is ``False``, the returned :class:`FrameSummary`
+      objects will not have read their lines in yet, making the cost of
+      creating the :class:`StackSummary` cheaper (which may be valuable if it
+      may not actually get formatted). If *capture_locals* is ``True`` the
+      local variables in each :class:`FrameSummary` are captured as object
+      representations.
+
+   .. classmethod:: from_list(a_list)
+
+      Construct a :class:`StackSummary` object from a supplied old-style list
+      of tuples. Each tuple should be a 4-tuple with filename, lineno, name,
+      line as the elements.
+
+
+:class:`FrameSummary` Objects
+-----------------------------
+
+.. versionadded:: 3.5
+
+:class:`FrameSummary` objects represent a single frame in a traceback.
+
+.. class:: FrameSummary(filename, lineno, name, lookup_line=True, locals=None, line=None)
+
+   Represent a single frame in the traceback or stack that is being formatted
+   or printed. It may optionally have a stringified version of the frames
+   locals included in it. If *lookup_line* is ``False``, the source code is not
+   looked up until the :class:`FrameSummary` has the :attr:`~FrameSummary.line`
+   attribute accessed (which also happens when casting it to a tuple).
+   :attr:`~FrameSummary.line` may be directly provided, and will prevent line
+   lookups happening at all. *locals* is an optional local variable
+   dictionary, and if supplied the variable representations are stored in the
+   summary for later display.
 
 .. _traceback-example:
 
diff --git a/Doc/library/tracemalloc.rst b/Doc/library/tracemalloc.rst
index 552e84b..13c81a7 100644
--- a/Doc/library/tracemalloc.rst
+++ b/Doc/library/tracemalloc.rst
@@ -350,7 +350,7 @@ Functions
    the *nframe* parameter of the :func:`start` function to store more frames.
 
    The :mod:`tracemalloc` module must be tracing memory allocations to take a
-   snapshot, see the the :func:`start` function.
+   snapshot, see the :func:`start` function.
 
    See also the :func:`get_object_traceback` function.
 
@@ -363,7 +363,7 @@ Filter
    Filter on traces of memory blocks.
 
    See the :func:`fnmatch.fnmatch` function for the syntax of
-   *filename_pattern*. The ``'.pyc'`` and ``'.pyo'`` file extensions are
+   *filename_pattern*. The ``'.pyc'`` file extension is
    replaced with ``'.py'``.
 
    Examples:
@@ -374,6 +374,10 @@ Filter
      :mod:`tracemalloc` module
    * ``Filter(False, "<unknown>")`` excludes empty tracebacks
 
+
+   .. versionchanged:: 3.5
+      The ``'.pyo'`` file extension is no longer replaced with ``'.py'``.
+
    .. attribute:: inclusive
 
       If *inclusive* is ``True`` (include), only trace memory blocks allocated
@@ -631,4 +635,3 @@ Traceback
               obj = Object()
             File "test.py", line 12
               tb = tracemalloc.get_object_traceback(f())
-
diff --git a/Doc/library/turtle.rst b/Doc/library/turtle.rst
index 5899f3d..30dd6ef 100644
--- a/Doc/library/turtle.rst
+++ b/Doc/library/turtle.rst
@@ -1809,7 +1809,7 @@ Input methods
 
    Pop up a dialog window for input of a number. title is the title of the
    dialog window, prompt is a text mostly describing what numerical information
-   to input. default: default value, minval: minimum value for imput,
+   to input. default: default value, minval: minimum value for input,
    maxval: maximum value for input
    The number input must be in the range minval .. maxval if these are
    given. If not, a hint is issued and the dialog remains open for
@@ -1879,7 +1879,7 @@ Settings and special methods
 
       >>> cv = screen.getcanvas()
       >>> cv
-      <turtle.ScrolledCanvas object at ...>
+      <turtle.ScrolledCanvas object ...>
 
 
 .. function:: getshapes()
@@ -2351,6 +2351,9 @@ The demo scripts are:
 |                | pairwise in opposite         | shapesize, tilt,      |
 |                | direction                    | get_shapepoly, update |
 +----------------+------------------------------+-----------------------+
+| sorting_animate| visual demonstration of      | simple alignment,     |
+|                | different sorting methods    | randomization         |
++----------------+------------------------------+-----------------------+
 | tree           | a (graphical) breadth        | :func:`clone`         |
 |                | first tree (using generators)|                       |
 +----------------+------------------------------+-----------------------+
@@ -2402,7 +2405,7 @@ Changes since Python 3.0
   Accordingly the latter has got an alias: :meth:`Screen.onkeyrelease`.
 
 - The method  :meth:`Screen.mainloop` has been added. So when working only
-  with Screen and Turtle objects one must not additonally import
+  with Screen and Turtle objects one must not additionally import
   :func:`mainloop` anymore.
 
 - Two input methods has been added :meth:`Screen.textinput` and
diff --git a/Doc/library/types.rst b/Doc/library/types.rst
index abdb939..34fffe6 100644
--- a/Doc/library/types.rst
+++ b/Doc/library/types.rst
@@ -115,6 +115,10 @@ Standard names are defined for the following types:
    The type of :term:`modules <module>`. Constructor takes the name of the
    module to be created and optionally its :term:`docstring`.
 
+   .. note::
+      Use :func:`importlib.util.module_from_spec` to create a new module if you
+      wish to set the various import-controlled attributes.
+
    .. attribute:: __doc__
 
       The :term:`docstring` of the module. Defaults to ``None``.
diff --git a/Doc/library/unicodedata.rst b/Doc/library/unicodedata.rst
index 3b3d3a0..24ddef8 100644
--- a/Doc/library/unicodedata.rst
+++ b/Doc/library/unicodedata.rst
@@ -15,8 +15,8 @@
 
 This module provides access to the Unicode Character Database (UCD) which
 defines character properties for all Unicode characters. The data contained in
-this database is compiled from the `UCD version 6.3.0
-<http://www.unicode.org/Public/6.3.0/ucd>`_.
+this database is compiled from the `UCD version 7.0.0
+<http://www.unicode.org/Public/7.0.0/ucd>`_.
 
 The module uses the same names and symbols as defined by Unicode
 Standard Annex #44, `"Unicode Character Database"
@@ -166,6 +166,6 @@ Examples:
 
 .. rubric:: Footnotes
 
-.. [#] http://www.unicode.org/Public/6.3.0/ucd/NameAliases.txt
+.. [#] http://www.unicode.org/Public/7.0.0/ucd/NameAliases.txt
 
-.. [#] http://www.unicode.org/Public/6.3.0/ucd/NamedSequences.txt
+.. [#] http://www.unicode.org/Public/7.0.0/ucd/NamedSequences.txt
diff --git a/Doc/library/unittest.mock.rst b/Doc/library/unittest.mock.rst
index 91d5a27..f76c301 100644
--- a/Doc/library/unittest.mock.rst
+++ b/Doc/library/unittest.mock.rst
@@ -181,71 +181,77 @@ The Mock Class
 --------------
 
 
-`Mock` is a flexible mock object intended to replace the use of stubs and
+:class:`Mock` is a flexible mock object intended to replace the use of stubs and
 test doubles throughout your code. Mocks are callable and create attributes as
 new mocks when you access them [#]_. Accessing the same attribute will always
 return the same mock. Mocks record how you use them, allowing you to make
 assertions about what your code has done to them.
 
-:class:`MagicMock` is a subclass of `Mock` with all the magic methods
+:class:`MagicMock` is a subclass of :class:`Mock` with all the magic methods
 pre-created and ready to use. There are also non-callable variants, useful
 when you are mocking out objects that aren't callable:
 :class:`NonCallableMock` and :class:`NonCallableMagicMock`
 
 The :func:`patch` decorators makes it easy to temporarily replace classes
-in a particular module with a `Mock` object. By default `patch` will create
-a `MagicMock` for you. You can specify an alternative class of `Mock` using
-the `new_callable` argument to `patch`.
+in a particular module with a :class:`Mock` object. By default :func:`patch` will create
+a :class:`MagicMock` for you. You can specify an alternative class of :class:`Mock` using
+the *new_callable* argument to :func:`patch`.
 
 
-.. class:: Mock(spec=None, side_effect=None, return_value=DEFAULT, wraps=None, name=None, spec_set=None, **kwargs)
+.. class:: Mock(spec=None, side_effect=None, return_value=DEFAULT, wraps=None, name=None, spec_set=None, unsafe=False, **kwargs)
 
-    Create a new `Mock` object. `Mock` takes several optional arguments
+    Create a new :class:`Mock` object. :class:`Mock` takes several optional arguments
     that specify the behaviour of the Mock object:
 
-    * `spec`: This can be either a list of strings or an existing object (a
+    * *spec*: This can be either a list of strings or an existing object (a
       class or instance) that acts as the specification for the mock object. If
       you pass in an object then a list of strings is formed by calling dir on
       the object (excluding unsupported magic attributes and methods).
-      Accessing any attribute not in this list will raise an `AttributeError`.
+      Accessing any attribute not in this list will raise an :exc:`AttributeError`.
 
-      If `spec` is an object (rather than a list of strings) then
+      If *spec* is an object (rather than a list of strings) then
       :attr:`~instance.__class__` returns the class of the spec object. This
-      allows mocks to pass `isinstance` tests.
+      allows mocks to pass :func:`isinstance` tests.
 
-    * `spec_set`: A stricter variant of `spec`. If used, attempting to *set*
+    * *spec_set*: A stricter variant of *spec*. If used, attempting to *set*
       or get an attribute on the mock that isn't on the object passed as
-      `spec_set` will raise an `AttributeError`.
+      *spec_set* will raise an :exc:`AttributeError`.
 
-    * `side_effect`: A function to be called whenever the Mock is called. See
+    * *side_effect*: A function to be called whenever the Mock is called. See
       the :attr:`~Mock.side_effect` attribute. Useful for raising exceptions or
       dynamically changing return values. The function is called with the same
       arguments as the mock, and unless it returns :data:`DEFAULT`, the return
       value of this function is used as the return value.
 
-      Alternatively `side_effect` can be an exception class or instance. In
+      Alternatively *side_effect* can be an exception class or instance. In
       this case the exception will be raised when the mock is called.
 
-      If `side_effect` is an iterable then each call to the mock will return
+      If *side_effect* is an iterable then each call to the mock will return
       the next value from the iterable.
 
-      A `side_effect` can be cleared by setting it to `None`.
+      A *side_effect* can be cleared by setting it to ``None``.
 
-    * `return_value`: The value returned when the mock is called. By default
+    * *return_value*: The value returned when the mock is called. By default
       this is a new Mock (created on first access). See the
       :attr:`return_value` attribute.
 
-    * `wraps`: Item for the mock object to wrap. If `wraps` is not None then
+    * *unsafe*: By default if any attribute starts with *assert* or
+      *assret* will raise an :exc:`AttributeError`. Passing ``unsafe=True``
+      will allow access to these attributes.
+
+      .. versionadded:: 3.5
+
+    * *wraps*: Item for the mock object to wrap. If *wraps* is not None then
       calling the Mock will pass the call through to the wrapped object
       (returning the real result). Attribute access on the mock will return a
       Mock object that wraps the corresponding attribute of the wrapped
       object (so attempting to access an attribute that doesn't exist will
-      raise an `AttributeError`).
+      raise an :exc:`AttributeError`).
 
-      If the mock has an explicit `return_value` set then calls are not passed
-      to the wrapped object and the `return_value` is returned instead.
+      If the mock has an explicit *return_value* set then calls are not passed
+      to the wrapped object and the *return_value* is returned instead.
 
-    * `name`: If the mock has a name then it will be used in the repr of the
+    * *name*: If the mock has a name then it will be used in the repr of the
       mock. This can be useful for debugging. The name is propagated to child
       mocks.
 
@@ -315,6 +321,20 @@ the `new_callable` argument to `patch`.
             >>> calls = [call(4), call(2), call(3)]
             >>> mock.assert_has_calls(calls, any_order=True)
 
+    .. method:: assert_not_called(*args, **kwargs)
+
+        Assert the mock was never called.
+
+            >>> m = Mock()
+            >>> m.hello.assert_not_called()
+            >>> obj = m.hello()
+            >>> m.hello.assert_not_called()
+            Traceback (most recent call last):
+              ...
+            AssertionError: Expected 'hello' to not have been called. Called 1 times.
+
+        .. versionadded:: 3.5
+
 
     .. method:: reset_mock()
 
@@ -1032,25 +1052,31 @@ patch
     default because it can be dangerous. With it switched on you can write
     passing tests against APIs that don't actually exist!
 
-    Patch can be used as a `TestCase` class decorator. It works by
+    .. note::
+
+        .. versionchanged:: 3.5
+           If you are patching builtins in a module then you don't
+           need to pass ``create=True``, it will be added by default.
+
+    Patch can be used as a :class:`TestCase` class decorator. It works by
     decorating each test method in the class. This reduces the boilerplate
-    code when your test methods share a common patchings set. `patch` finds
-    tests by looking for method names that start with `patch.TEST_PREFIX`.
-    By default this is `test`, which matches the way `unittest` finds tests.
-    You can specify an alternative prefix by setting `patch.TEST_PREFIX`.
+    code when your test methods share a common patchings set. :func:`patch` finds
+    tests by looking for method names that start with ``patch.TEST_PREFIX``.
+    By default this is ``'test'``, which matches the way :mod:`unittest` finds tests.
+    You can specify an alternative prefix by setting ``patch.TEST_PREFIX``.
 
     Patch can be used as a context manager, with the with statement. Here the
     patching applies to the indented block after the with statement. If you
     use "as" then the patched object will be bound to the name after the
-    "as"; very useful if `patch` is creating a mock object for you.
+    "as"; very useful if :func:`patch` is creating a mock object for you.
 
-    `patch` takes arbitrary keyword arguments. These will be passed to
-    the `Mock` (or `new_callable`) on construction.
+    :func:`patch` takes arbitrary keyword arguments. These will be passed to
+    the :class:`Mock` (or *new_callable*) on construction.
 
-    `patch.dict(...)`, `patch.multiple(...)` and `patch.object(...)` are
+    ``patch.dict(...)``, ``patch.multiple(...)`` and ``patch.object(...)`` are
     available for alternate use-cases.
 
-`patch` as function decorator, creating the mock for you and passing it into
+:func:`patch` as function decorator, creating the mock for you and passing it into
 the decorated function:
 
     >>> @patch('__main__.SomeClass')
@@ -1392,15 +1418,31 @@ method of a :class:`TestCase`:
         ...         assert package.module.Class is self.MockClass
         ...
 
-    As an added bonus you no longer need to keep a reference to the `patcher`
+    As an added bonus you no longer need to keep a reference to the ``patcher``
     object.
 
 It is also possible to stop all patches which have been started by using
-`patch.stopall`.
+:func:`patch.stopall`.
 
 .. function:: patch.stopall
 
-    Stop all active patches. Only stops patches started with `start`.
+    Stop all active patches. Only stops patches started with ``start``.
+
+
+.. _patch-builtins:
+
+patch builtins
+~~~~~~~~~~~~~~
+You can patch any builtins within a module. The following example patches
+builtin :func:`ord`:
+
+    >>> @patch('__main__.ord')
+    ... def test(mock_ord):
+    ...     mock_ord.return_value = 101
+    ...     print(ord('c'))
+    ...
+    >>> test()
+    101
 
 
 TEST_PREFIX
@@ -1587,7 +1629,7 @@ The full list of supported magic methods is:
 * Context manager: ``__enter__`` and ``__exit__``
 * Unary numeric methods: ``__neg__``, ``__pos__`` and ``__invert__``
 * The numeric methods (including right hand and in-place variants):
-  ``__add__``, ``__sub__``, ``__mul__``, ``__div__``,``__truediv__``,
+  ``__add__``, ``__sub__``, ``__mul__``, ``__matmul__``, ``__div__``, ``__truediv__``,
   ``__floordiv__``, ``__mod__``, ``__divmod__``, ``__lshift__``,
   ``__rshift__``, ``__and__``, ``__xor__``, ``__or__``, and ``__pow__``
 * Numeric conversion methods: ``__complex__``, ``__int__``, ``__float__``
@@ -2013,7 +2055,7 @@ Mocking context managers with a :class:`MagicMock` is common enough and fiddly
 enough that a helper function is useful.
 
     >>> m = mock_open()
-    >>> with patch('__main__.open', m, create=True):
+    >>> with patch('__main__.open', m):
     ...     with open('foo', 'w') as h:
     ...         h.write('some stuff')
     ...
@@ -2028,7 +2070,7 @@ enough that a helper function is useful.
 
 And for reading files:
 
-    >>> with patch('__main__.open', mock_open(read_data='bibble'), create=True) as m:
+    >>> with patch('__main__.open', mock_open(read_data='bibble')) as m:
     ...     with open('foo') as h:
     ...         result = h.read()
     ...
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index bdb18bc..70f99a0 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -214,9 +214,16 @@ Command-line options
 
    Stop the test run on the first error or failure.
 
+.. cmdoption:: --locals
+
+   Show local variables in tracebacks.
+
 .. versionadded:: 3.2
    The command-line options ``-b``, ``-c`` and ``-f`` were added.
 
+.. versionadded:: 3.5
+   The command-line option ``--locals``.
+
 The command line can also be used for test discovery, for running all of the
 tests in a project or just a subset.
 
@@ -1543,6 +1550,20 @@ Loading and running tests
    :data:`unittest.defaultTestLoader`.  Using a subclass or instance, however,
    allows customization of some configurable properties.
 
+   :class:`TestLoader` objects have the following attributes:
+
+
+   .. attribute:: errors
+
+      A list of the non-fatal errors encountered while loading tests. Not reset
+      by the loader at any point. Fatal errors are signalled by the relevant
+      a method raising an exception to the caller. Non-fatal errors are also
+      indicated by a synthetic test that will raise the original error when
+      run.
+
+      .. versionadded:: 3.5
+
+
    :class:`TestLoader` objects have the following methods:
 
 
@@ -1552,7 +1573,7 @@ Loading and running tests
       :class:`testCaseClass`.
 
 
-   .. method:: loadTestsFromModule(module)
+   .. method:: loadTestsFromModule(module, pattern=None)
 
       Return a suite of all tests cases contained in the given module. This
       method searches *module* for classes derived from :class:`TestCase` and
@@ -1569,11 +1590,18 @@ Loading and running tests
 
       If a module provides a ``load_tests`` function it will be called to
       load the tests. This allows modules to customize test loading.
-      This is the `load_tests protocol`_.
+      This is the `load_tests protocol`_.  The *pattern* argument is passed as
+      the third argument to ``load_tests``.
 
       .. versionchanged:: 3.2
          Support for ``load_tests`` added.
 
+      .. versionchanged:: 3.5
+         The undocumented and unofficial *use_load_tests* default argument is
+         deprecated and ignored, although it is still accepted for backward
+         compatibility.  The method also now accepts a keyword-only argument
+         *pattern* which is passed to ``load_tests`` as the third argument.
+
 
    .. method:: loadTestsFromName(name, module=None)
 
@@ -1599,6 +1627,12 @@ Loading and running tests
 
       The method optionally resolves *name* relative to the given *module*.
 
+   .. versionchanged:: 3.5
+      If an :exc:`ImportError` or :exc:`AttributeError` occurs while traversing
+      *name* then a synthetic test that raises that error when run will be
+      returned. These errors are included in the errors accumulated by
+      self.errors.
+
 
    .. method:: loadTestsFromNames(names, module=None)
 
@@ -1625,18 +1659,22 @@ Loading and running tests
       the start directory is not the top level directory then the top level
       directory must be specified separately.
 
-      If importing a module fails, for example due to a syntax error, then this
-      will be recorded as a single error and discovery will continue.  If the
-      import failure is due to :exc:`SkipTest` being raised, it will be recorded
-      as a skip instead of an error.
+      If importing a module fails, for example due to a syntax error, then
+      this will be recorded as a single error and discovery will continue.  If
+      the import failure is due to :exc:`SkipTest` being raised, it will be
+      recorded as a skip instead of an error.
 
-      If a test package name (directory with :file:`__init__.py`) matches the
-      pattern then the package will be checked for a ``load_tests``
-      function. If this exists then it will be called with *loader*, *tests*,
-      *pattern*.
+      If a package (a directory containing a file named :file:`__init__.py`) is
+      found, the package will be checked for a ``load_tests`` function. If this
+      exists then it will be called
+      ``package.load_tests(loader, tests, pattern)``. Test discovery takes care
+      to ensure that a package is only checked for tests once during an
+      invocation, even if the load_tests function itself calls
+      ``loader.discover``.
 
-      If ``load_tests`` exists then discovery does *not* recurse into the package,
-      ``load_tests`` is responsible for loading all tests in the package.
+      If ``load_tests`` exists then discovery does *not* recurse into the
+      package, ``load_tests`` is responsible for loading all tests in the
+      package.
 
       The pattern is deliberately not stored as a loader attribute so that
       packages can continue discovery themselves. *top_level_dir* is stored so
@@ -1655,6 +1693,11 @@ Loading and running tests
            the same even if the underlying file system's ordering is not
            dependent on file name.
 
+      .. versionchanged:: 3.5
+         Found packages are now checked for ``load_tests`` regardless of
+         whether their path matches *pattern*, because it is impossible for
+         a package name to match the default pattern.
+
 
    The following attributes of a :class:`TestLoader` can be configured either by
    subclassing or assignment on an instance:
@@ -1737,12 +1780,10 @@ Loading and running tests
 
       Set to ``True`` when the execution of tests should stop by :meth:`stop`.
 
-
    .. attribute:: testsRun
 
       The total number of tests run so far.
 
-
    .. attribute:: buffer
 
       If set to true, ``sys.stdout`` and ``sys.stderr`` will be buffered in between
@@ -1752,7 +1793,6 @@ Loading and running tests
 
       .. versionadded:: 3.2
 
-
    .. attribute:: failfast
 
       If set to true :meth:`stop` will be called on the first failure or error,
@@ -1760,6 +1800,11 @@ Loading and running tests
 
       .. versionadded:: 3.2
 
+   .. attribute:: tb_locals
+
+      If set to true then local variables will be shown in tracebacks.
+
+      .. versionadded:: 3.5
 
    .. method:: wasSuccessful()
 
@@ -1770,7 +1815,6 @@ Loading and running tests
          Returns ``False`` if there were any :attr:`unexpectedSuccesses`
          from tests marked with the :func:`expectedFailure` decorator.
 
-
    .. method:: stop()
 
       This method can be called to signal that the set of tests being run should
@@ -1902,12 +1946,14 @@ Loading and running tests
 
 
 .. class:: TextTestRunner(stream=None, descriptions=True, verbosity=1, failfast=False, \
-                          buffer=False, resultclass=None, warnings=None)
+                          buffer=False, resultclass=None, warnings=None, *, tb_locals=False)
 
    A basic test runner implementation that outputs results to a stream. If *stream*
    is ``None``, the default, :data:`sys.stderr` is used as the output stream. This class
    has a few configurable parameters, but is essentially very simple.  Graphical
-   applications which run test suites should provide alternate implementations.
+   applications which run test suites should provide alternate implementations. Such
+   implementations should accept ``**kwargs`` as the interface to construct runners
+   changes when features are added to unittest.
 
    By default this runner shows :exc:`DeprecationWarning`,
    :exc:`PendingDeprecationWarning`, :exc:`ResourceWarning` and
@@ -1926,6 +1972,9 @@ Loading and running tests
       The default stream is set to :data:`sys.stderr` at instantiation time rather
       than import time.
 
+   .. versionchanged:: 3.5
+      Added the tb_locals parameter.
+
    .. method:: _makeResult()
 
       This method returns the instance of ``TestResult`` used by :meth:`run`.
@@ -2023,7 +2072,10 @@ test runs or test discovery by implementing a function called ``load_tests``.
 If a test module defines ``load_tests`` it will be called by
 :meth:`TestLoader.loadTestsFromModule` with the following arguments::
 
-    load_tests(loader, standard_tests, None)
+    load_tests(loader, standard_tests, pattern)
+
+where *pattern* is passed straight through from ``loadTestsFromModule``.  It
+defaults to ``None``.
 
 It should return a :class:`TestSuite`.
 
@@ -2045,21 +2097,12 @@ A typical ``load_tests`` function that loads tests from a specific set of
             suite.addTests(tests)
         return suite
 
-If discovery is started, either from the command line or by calling
-:meth:`TestLoader.discover`, with a pattern that matches a package
-name then the package :file:`__init__.py` will be checked for ``load_tests``.
-
-.. note::
-
-   The default pattern is ``'test*.py'``. This matches all Python files
-   that start with ``'test'`` but *won't* match any test directories.
-
-   A pattern like ``'test*'`` will match test packages as well as
-   modules.
-
-If the package :file:`__init__.py` defines ``load_tests`` then it will be
-called and discovery not continued into the package. ``load_tests``
-is called with the following arguments::
+If discovery is started in a directory containing a package, either from the
+command line or by calling :meth:`TestLoader.discover`, then the package
+:file:`__init__.py` will be checked for ``load_tests``.  If that function does
+not exist, discovery will recurse into the package as though it were just
+another directory.  Otherwise, discovery of the package's tests will be left up
+to ``load_tests`` which is called with the following arguments::
 
     load_tests(loader, standard_tests, pattern)
 
@@ -2078,6 +2121,11 @@ continue (and potentially modify) test discovery. A 'do nothing'
         standard_tests.addTests(package_tests)
         return standard_tests
 
+.. versionchanged:: 3.5
+   Discovery no longer checks package names for matching *pattern* due to the
+   impossibility of package names matching the default pattern.
+
+
 
 Class and Module Fixtures
 -------------------------
diff --git a/Doc/library/urllib.parse.rst b/Doc/library/urllib.parse.rst
index 154a521..3ecdda1 100644
--- a/Doc/library/urllib.parse.rst
+++ b/Doc/library/urllib.parse.rst
@@ -268,6 +268,11 @@ or on combining URL components into a URL string.
    :func:`urlunsplit`, removing possible *scheme* and *netloc* parts.
 
 
+   .. versionchanged:: 3.5
+
+      Behaviour updated to match the semantics defined in :rfc:`3986`.
+
+
 .. function:: urldefrag(url)
 
    If *url* contains a fragment identifier, return a modified version of *url*
diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index 03ce752..349ba70 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -68,7 +68,7 @@ The :mod:`urllib.request` module defines the following functions:
    :class:`http.client.HTTPResponse` object which has the following
    :ref:`httpresponse-objects` methods.
 
-   For ftp, file, and data urls and requests explicity handled by legacy
+   For ftp, file, and data urls and requests explicitly handled by legacy
    :class:`URLopener` and :class:`FancyURLopener` classes, this function
    returns a :class:`urllib.response.addinfourl` object which can work as
    :term:`context manager` and has methods such as
@@ -115,6 +115,7 @@ The :mod:`urllib.request` module defines the following functions:
    .. versionchanged:: 3.4.3
       *context* was added.
 
+
 .. function:: install_opener(opener)
 
    Install an :class:`OpenerDirector` instance as the default global opener.
@@ -287,13 +288,37 @@ The following classes are provided:
    fits.
 
 
+.. class:: HTTPPasswordMgrWithPriorAuth()
+
+   A variant of :class:`HTTPPasswordMgrWithDefaultRealm` that also has a
+   database of ``uri -> is_authenticated`` mappings.  Can be used by a
+   BasicAuth handler to determine when to send authentication credentials
+   immediately instead of waiting for a ``401`` response first.
+
+   .. versionadded:: 3.5
+
+
 .. class:: AbstractBasicAuthHandler(password_mgr=None)
 
    This is a mixin class that helps with HTTP authentication, both to the remote
    host and to a proxy. *password_mgr*, if given, should be something that is
    compatible with :class:`HTTPPasswordMgr`; refer to section
    :ref:`http-password-mgr` for information on the interface that must be
-   supported.
+   supported.  If *passwd_mgr* also provides ``is_authenticated`` and
+   ``update_authenticated`` methods (see
+   :ref:`http-password-mgr-with-prior-auth`), then the handler will use the
+   ``is_authenticated`` result for a given URI to determine whether or not to
+   send authentication credentials with the request.  If ``is_authenticated``
+   returns ``True`` for the URI, credentials are sent.  If ``is_authenticated``
+   is ``False``, credentials are not sent, and then if a ``401`` response is
+   received the request is re-sent with the authentication credentials.  If
+   authentication succeeds, ``update_authenticated`` is called to set
+   ``is_authenticated`` ``True`` for the URI, so that subsequent requests to
+   the URI or any of its super-URIs will automatically include the
+   authentication credentials.
+
+   .. versionadded:: 3.5
+      Added ``is_authenticated`` support.
 
 
 .. class:: HTTPBasicAuthHandler(password_mgr=None)
@@ -845,6 +870,42 @@ These methods are available on :class:`HTTPPasswordMgr` and
    searched if the given *realm* has no matching user/password.
 
 
+.. _http-password-mgr-with-prior-auth:
+
+HTTPPasswordMgrWithPriorAuth Objects
+------------------------------------
+
+This password manager extends :class:`HTTPPasswordMgrWithDefaultRealm` to support
+tracking URIs for which authentication credentials should always be sent.
+
+
+.. method:: HTTPPasswordMgrWithPriorAuth.add_password(realm, uri, user, \
+            passwd, is_authenticated=False)
+
+   *realm*, *uri*, *user*, *passwd* are as for
+   :meth:`HTTPPasswordMgr.add_password`.  *is_authenticated* sets the initial
+   value of the ``is_authenticated`` flag for the given URI or list of URIs.
+   If *is_authenticated* is specified as ``True``, *realm* is ignored.
+
+
+.. method:: HTTPPasswordMgr.find_user_password(realm, authuri)
+
+   Same as for :class:`HTTPPasswordMgrWithDefaultRealm` objects
+
+
+.. method:: HTTPPasswordMgrWithPriorAuth.update_authenticated(self, uri, \
+            is_authenticated=False)
+
+   Update the ``is_authenticated`` flag for the given *uri* or list
+   of URIs.
+
+
+.. method:: HTTPPasswordMgrWithPriorAuth.is_authenticated(self, authuri)
+
+   Returns the current state of the ``is_authenticated`` flag for
+   the given URI.
+
+
 .. _abstract-basic-auth-handler:
 
 AbstractBasicAuthHandler Objects
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst
index 9ca60a9..2e16077 100644
--- a/Doc/library/weakref.rst
+++ b/Doc/library/weakref.rst
@@ -258,7 +258,7 @@ These method have the same issues as the and :meth:`keyrefs` method of
    are called in reverse order of creation.
 
    A finalizer will never invoke its callback during the later part of
-   the interpreter shutdown when module globals are liable to have
+   the :term:`interpreter shutdown` when module globals are liable to have
    been replaced by :const:`None`.
 
    .. method:: __call__()
@@ -527,8 +527,8 @@ follows::
 
 Starting with Python 3.4, :meth:`__del__` methods no longer prevent
 reference cycles from being garbage collected, and module globals are
-no longer forced to :const:`None` during interpreter shutdown. So this
-code should work without any issues on CPython.
+no longer forced to :const:`None` during :term:`interpreter shutdown`.
+So this code should work without any issues on CPython.
 
 However, handling of :meth:`__del__` methods is notoriously implementation
 specific, since it depends on internal details of the interpreter's garbage
@@ -566,8 +566,8 @@ third party, such as running code when a module is unloaded::
 
 .. note::
 
-   If you create a finalizer object in a daemonic thread just as the
-   the program exits then there is the possibility that the finalizer
+   If you create a finalizer object in a daemonic thread just as the program
+   exits then there is the possibility that the finalizer
    does not get called at exit.  However, in a daemonic thread
    :func:`atexit.register`, ``try: ... finally: ...`` and ``with: ...``
    do not guarantee that cleanup occurs either.
diff --git a/Doc/library/webbrowser.rst b/Doc/library/webbrowser.rst
index ef63769..aa5e4ad 100644
--- a/Doc/library/webbrowser.rst
+++ b/Doc/library/webbrowser.rst
@@ -20,7 +20,7 @@ available.  If text-mode browsers are used, the calling process will block until
 the user exits the browser.
 
 If the environment variable :envvar:`BROWSER` exists, it is interpreted as the
-:data:`os.pathsep`-separated list of browsers to try ahead of the the platform
+:data:`os.pathsep`-separated list of browsers to try ahead of the platform
 defaults.  When the value of a list part contains the string ``%s``, then it is
 interpreted as a literal browser command line to be used with the argument URL
 substituted for ``%s``; if the part does not contain ``%s``, it is simply
diff --git a/Doc/library/wsgiref.rst b/Doc/library/wsgiref.rst
index a9e19da..de74c30 100644
--- a/Doc/library/wsgiref.rst
+++ b/Doc/library/wsgiref.rst
@@ -184,10 +184,11 @@ This module provides a single class, :class:`Headers`, for convenient
 manipulation of WSGI response headers using a mapping-like interface.
 
 
-.. class:: Headers(headers)
+.. class:: Headers([headers])
 
    Create a mapping-like object wrapping *headers*, which must be a list of header
-   name/value tuples as described in :pep:`3333`.
+   name/value tuples as described in :pep:`3333`. The default value of *headers* is
+   an empty list.
 
    :class:`Headers` objects support typical mapping operations including
    :meth:`__getitem__`, :meth:`get`, :meth:`__setitem__`, :meth:`setdefault`,
@@ -251,6 +252,10 @@ manipulation of WSGI response headers using a mapping-like interface.
          Content-Disposition: attachment; filename="bud.gif"
 
 
+   .. versionchanged:: 3.5
+      *headers* parameter is optional.
+
+
 :mod:`wsgiref.simple_server` -- a simple WSGI HTTP server
 ---------------------------------------------------------
 
diff --git a/Doc/library/xml.dom.rst b/Doc/library/xml.dom.rst
index 19512ed..4914738 100644
--- a/Doc/library/xml.dom.rst
+++ b/Doc/library/xml.dom.rst
@@ -412,7 +412,7 @@ objects:
 .. method:: NodeList.item(i)
 
    Return the *i*'th item from the sequence, if there is one, or ``None``.  The
-   index *i* is not allowed to be less then zero or greater than or equal to the
+   index *i* is not allowed to be less than zero or greater than or equal to the
    length of the sequence.
 
 
diff --git a/Doc/library/xml.sax.reader.rst b/Doc/library/xml.sax.reader.rst
index 3ab6063..31ca260 100644
--- a/Doc/library/xml.sax.reader.rst
+++ b/Doc/library/xml.sax.reader.rst
@@ -100,8 +100,10 @@ The :class:`XMLReader` interface supports the following methods:
    system identifier (a string identifying the input source -- typically a file
    name or an URL), a file-like object, or an :class:`InputSource` object. When
    :meth:`parse` returns, the input is completely processed, and the parser object
-   can be discarded or reset. As a limitation, the current implementation only
-   accepts byte streams; processing of character streams is for further study.
+   can be discarded or reset.
+
+   .. versionchanged:: 3.5
+      Added support of character streams.
 
 
 .. method:: XMLReader.getContentHandler()
@@ -288,8 +290,7 @@ InputSource Objects
 
 .. method:: InputSource.setByteStream(bytefile)
 
-   Set the byte stream (a Python file-like object which does not perform
-   byte-to-character conversion) for this input source.
+   Set the byte stream (a :term:`binary file`) for this input source.
 
    The SAX parser will ignore this if there is also a character stream specified,
    but it will use a byte stream in preference to opening a URI connection itself.
@@ -308,8 +309,7 @@ InputSource Objects
 
 .. method:: InputSource.setCharacterStream(charfile)
 
-   Set the character stream for this input source. (The stream must be a Python 1.6
-   Unicode-wrapped file-like that performs conversion to strings.)
+   Set the character stream (a :term:`text file`) for this input source.
 
    If there is a character stream specified, the SAX parser will ignore any byte
    stream and will not attempt to open a URI connection to the system identifier.
diff --git a/Doc/library/xml.sax.rst b/Doc/library/xml.sax.rst
index e95d6b0..55f9799 100644
--- a/Doc/library/xml.sax.rst
+++ b/Doc/library/xml.sax.rst
@@ -47,7 +47,11 @@ The convenience functions are:
 .. function:: parseString(string, handler, error_handler=handler.ErrorHandler())
 
    Similar to :func:`parse`, but parses from a buffer *string* received as a
-   parameter.
+   parameter.  *string* must be a :class:`str` instance or a
+   :term:`bytes-like object`.
+
+   .. versionchanged:: 3.5
+      Added support of :class:`str` instances.
 
 A typical SAX application uses three kinds of objects: readers, handlers and
 input sources.  "Reader" in this context is another term for parser, i.e. some
diff --git a/Doc/library/xmlrpc.client.rst b/Doc/library/xmlrpc.client.rst
index cc5e83a..e199931 100644
--- a/Doc/library/xmlrpc.client.rst
+++ b/Doc/library/xmlrpc.client.rst
@@ -27,7 +27,7 @@ between conformable Python objects and XML on the wire.
    constructed data.  If you need to parse untrusted or unauthenticated data see
    :ref:`xml-vulnerabilities`.
 
-.. versionchanged:: 3.4.3
+.. versionchanged:: 3.5
 
    For https URIs, :mod:`xmlrpc.client` now performs all the necessary
    certificate and hostname checks by default
@@ -129,7 +129,7 @@ between conformable Python objects and XML on the wire.
    :class:`Server` is retained as an alias for :class:`ServerProxy` for backwards
    compatibility.  New code should use :class:`ServerProxy`.
 
-   .. versionchanged:: 3.4.3
+   .. versionchanged:: 3.5
       Added the *context* argument.
 
 
@@ -200,6 +200,11 @@ grouped under the reserved :attr:`system` attribute:
    no such string is available, an empty string is returned. The documentation
    string may contain HTML markup.
 
+.. versionchanged:: 3.5
+
+   Instances of :class:`ServerProxy` support the :term:`context manager` protocol
+   for closing the underlying transport.
+
 
 A working example follows. The server code::
 
@@ -217,9 +222,9 @@ The client code for the preceding server::
 
    import xmlrpc.client
 
-   proxy = xmlrpc.client.ServerProxy("http://localhost:8000/")
-   print("3 is even: %s" % str(proxy.is_even(3)))
-   print("100 is even: %s" % str(proxy.is_even(100)))
+   with xmlrpc.client.ServerProxy("http://localhost:8000/") as proxy:
+       print("3 is even: %s" % str(proxy.is_even(3)))
+       print("100 is even: %s" % str(proxy.is_even(100)))
 
 .. _datetime-objects:
 
@@ -527,14 +532,14 @@ Example of Client Usage
    from xmlrpc.client import ServerProxy, Error
 
    # server = ServerProxy("http://localhost:8000") # local server
-   server = ServerProxy("http://betty.userland.com")
+   with ServerProxy("http://betty.userland.com") as proxy:
 
-   print(server)
+       print(proxy)
 
-   try:
-       print(server.examples.getStateName(41))
-   except Error as v:
-       print("ERROR", v)
+       try:
+           print(proxy.examples.getStateName(41))
+       except Error as v:
+           print("ERROR", v)
 
 To access an XML-RPC server through a proxy, you need to define  a custom
 transport.  The following example shows how:
diff --git a/Doc/library/zipapp.rst b/Doc/library/zipapp.rst
new file mode 100644
index 0000000..b4484c8
--- /dev/null
+++ b/Doc/library/zipapp.rst
@@ -0,0 +1,259 @@
+:mod:`zipapp` --- Manage executable python zip archives
+=======================================================
+
+.. module:: zipapp
+   :synopsis: Manage executable python zip archives
+
+
+.. index::
+   single: Executable Zip Files
+
+.. versionadded:: 3.5
+
+**Source code:** :source:`Lib/zipapp.py`
+
+--------------
+
+This module provides tools to manage the creation of zip files containing
+Python code, which can be  :ref:`executed directly by the Python interpreter
+<using-on-interface-options>`.  The module provides both a
+:ref:`zipapp-command-line-interface` and a :ref:`zipapp-python-api`.
+
+
+Basic Example
+-------------
+
+The following example shows how the :ref:`command-line-interface`
+can be used to create an executable archive from a directory containing
+Python code.  When run, the archive will execute the ``main`` function from
+the module ``myapp`` in the archive.
+
+.. code-block:: sh
+
+   $ python -m zipapp myapp -m "myapp:main"
+   $ python myapp.pyz
+   <output from myapp>
+
+
+.. _zipapp-command-line-interface:
+
+Command-Line Interface
+----------------------
+
+When called as a program from the command line, the following form is used:
+
+.. code-block:: sh
+
+   $ python -m zipapp source [options]
+
+If *source* is a directory, this will create an archive from the contents of
+*source*.  If *source* is a file, it should be an archive, and it will be
+copied to the target archive (or the contents of its shebang line will be
+displayed if the --info option is specified).
+
+The following options are understood:
+
+.. program:: zipapp
+
+.. cmdoption:: -o <output>, --output=<output>
+
+   Write the output to a file named *output*.  If this option is not specified,
+   the output filename will be the same as the input *source*, with the
+   extension ``.pyz`` added.  If an explicit filename is given, it is used as
+   is (so a ``.pyz`` extension should be included if required).
+
+   An output filename must be specified if the *source* is an archive (and in
+   that case, *output* must not be the same as *source*).
+
+.. cmdoption:: -p <interpreter>, --python=<interpreter>
+
+   Add a ``#!`` line to the archive specifying *interpreter* as the command
+   to run.  Also, on POSIX, make the archive executable.  The default is to
+   write no ``#!`` line, and not make the file executable.
+
+.. cmdoption:: -m <mainfn>, --main=<mainfn>
+
+   Write a ``__main__.py`` file to the archive that executes *mainfn*.  The
+   *mainfn* argument should have the form "pkg.mod:fn", where "pkg.mod" is a
+   package/module in the archive, and "fn" is a callable in the given module.
+   The ``__main__.py`` file will execute that callable.
+
+   :option:`--main` cannot be specified when copying an archive.
+
+.. cmdoption:: --info
+
+   Display the interpreter embedded in the archive, for diagnostic purposes.  In
+   this case, any other options are ignored and SOURCE must be an archive, not a
+   directory.
+
+.. cmdoption:: -h, --help
+
+   Print a short usage message and exit.
+
+
+.. _zipapp-python-api:
+
+Python API
+----------
+
+The module defines two convenience functions:
+
+
+.. function:: create_archive(source, target=None, interpreter=None, main=None)
+
+   Create an application archive from *source*.  The source can be any
+   of the following:
+
+   * The name of a directory, or a :class:`pathlib.Path` object referring
+     to a directory, in which case a new application archive will be
+     created from the content of that directory.
+   * The name of an existing application archive file, or a :class:`pathlib.Path`
+     object referring to such a file, in which case the file is copied to
+     the target (modifying it to reflect the value given for the *interpreter*
+     argument).  The file name should include the ``.pyz`` extension, if required.
+   * A file object open for reading in bytes mode.  The content of the
+     file should be an application archive, and the file object is
+     assumed to be positioned at the start of the archive.
+
+   The *target* argument determines where the resulting archive will be
+   written:
+
+   * If it is the name of a file, or a :class:`pathlb.Path` object,
+     the archive will be written to that file.
+   * If it is an open file object, the archive will be written to that
+     file object, which must be open for writing in bytes mode.
+   * If the target is omitted (or None), the source must be a directory
+     and the target will be a file with the same name as the source, with
+     a ``.pyz`` extension added.
+
+   The *interpreter* argument specifies the name of the Python
+   interpreter with which the archive will be executed.  It is written as
+   a "shebang" line at the start of the archive.  On POSIX, this will be
+   interpreted by the OS, and on Windows it will be handled by the Python
+   launcher.  Omitting the *interpreter* results in no shebang line being
+   written.  If an interpreter is specified, and the target is a
+   filename, the executable bit of the target file will be set.
+
+   The *main* argument specifies the name of a callable which will be
+   used as the main program for the archive.  It can only be specified if
+   the source is a directory, and the source does not already contain a
+   ``__main__.py`` file.  The *main* argument should take the form
+   "pkg.module:callable" and the archive will be run by importing
+   "pkg.module" and executing the given callable with no arguments.  It
+   is an error to omit *main* if the source is a directory and does not
+   contain a ``__main__.py`` file, as otherwise the resulting archive
+   would not be executable.
+
+   If a file object is specified for *source* or *target*, it is the
+   caller's responsibility to close it after calling create_archive.
+
+   When copying an existing archive, file objects supplied only need
+   ``read`` and ``readline``, or ``write`` methods.  When creating an
+   archive from a directory, if the target is a file object it will be
+   passed to the ``zipfile.ZipFile`` class, and must supply the methods
+   needed by that class.
+
+.. function:: get_interpreter(archive)
+
+   Return the interpreter specified in the ``#!`` line at the start of the
+   archive.  If there is no ``#!`` line, return :const:`None`.
+   The *archive* argument can be a filename or a file-like object open
+   for reading in bytes mode.  It is assumed to be at the start of the archive.
+
+
+.. _zipapp-examples:
+
+Examples
+--------
+
+Pack up a directory into an archive, and run it.
+
+.. code-block:: sh
+
+   $ python -m zipapp myapp
+   $ python myapp.pyz
+   <output from myapp>
+
+The same can be done using the :func:`create_archive` functon::
+
+   >>> import zipapp
+   >>> zipapp.create_archive('myapp.pyz', 'myapp')
+
+To make the application directly executable on POSIX, specify an interpreter
+to use.
+
+.. code-block:: sh
+
+   $ python -m zipapp myapp -p "/usr/bin/env python"
+   $ ./myapp.pyz
+   <output from myapp>
+
+To replace the shebang line on an existing archive, create a modified archive
+using the :func:`create_archive` function::
+
+   >>> import zipapp
+   >>> zipapp.create_archive('old_archive.pyz', 'new_archive.pyz', '/usr/bin/python3')
+
+To update the file in place, do the replacement in memory using a :class:`BytesIO`
+object, and then overwrite the source afterwards.  Note that there is a risk
+when overwriting a file in place that an error will result in the loss of
+the original file.  This code does not protect against such errors, but
+production code should do so.  Also, this method will only work if the archive
+fits in memory::
+
+   >>> import zipapp
+   >>> import io
+   >>> temp = io.BytesIO()
+   >>> zipapp.create_archive('myapp.pyz', temp, '/usr/bin/python2')
+   >>> with open('myapp.pyz', 'wb') as f:
+   >>>     f.write(temp.getvalue())
+
+Note that if you specify an interpreter and then distribute your application
+archive, you need to ensure that the interpreter used is portable.  The Python
+launcher for Windows supports most common forms of POSIX ``#!`` line, but there
+are other issues to consider:
+
+* If you use "/usr/bin/env python" (or other forms of the "python" command,
+  such as "/usr/bin/python"), you need to consider that your users may have
+  either Python 2 or Python 3 as their default, and write your code to work
+  under both versions.
+* If you use an explicit version, for example "/usr/bin/env python3" your
+  application will not work for users who do not have that version.  (This
+  may be what you want if you have not made your code Python 2 compatible).
+* There is no way to say "python X.Y or later", so be careful of using an
+  exact version like "/usr/bin/env python3.4" as you will need to change your
+  shebang line for users of Python 3.5, for example.
+
+The Python Zip Application Archive Format
+-----------------------------------------
+
+Python has been able to execute zip files which contain a ``__main__.py`` file
+since version 2.6.  In order to be executed by Python, an application archive
+simply has to be a standard zip file containing a ``__main__.py`` file which
+will be run as the entry point for the application.  As usual for any Python
+script, the parent of the script (in this case the zip file) will be placed on
+:data:`sys.path` and thus further modules can be imported from the zip file.
+
+The zip file format allows arbitrary data to be prepended to a zip file.  The
+zip application format uses this ability to prepend a standard POSIX "shebang"
+line to the file (``#!/path/to/interpreter``).
+
+Formally, the Python zip application format is therefore:
+
+1. An optional shebang line, containing the characters ``b'#!'`` followed by an
+   interpreter name, and then a newline (``b'\n'``) character.  The interpreter
+   name can be anything acceptable to the OS "shebang" processing, or the Python
+   launcher on Windows.  The interpreter should be encoded in UTF-8 on Windows,
+   and in :func:`sys.getfilesystemencoding()` on POSIX.
+2. Standard zipfile data, as generated by the :mod:`zipfile` module.  The
+   zipfile content *must* include a file called ``__main__.py`` (which must be
+   in the "root" of the zipfile - i.e., it cannot be in a subdirectory).  The
+   zipfile data can be compressed or uncompressed.
+
+If an application archive has a shebang line, it may have the executable bit set
+on POSIX systems, to allow it to be executed directly.
+
+There is no requirement that the tools in this module are used to create
+application archives - the module is a convenience, but archives in the above
+format created by any means are acceptable to Python.
+
diff --git a/Doc/library/zipfile.rst b/Doc/library/zipfile.rst
index 10a094f..d40315e 100644
--- a/Doc/library/zipfile.rst
+++ b/Doc/library/zipfile.rst
@@ -134,12 +134,16 @@ ZipFile Objects
 
    Open a ZIP file, where *file* can be either a path to a file (a string) or a
    file-like object.  The *mode* parameter should be ``'r'`` to read an existing
-   file, ``'w'`` to truncate and write a new file, or ``'a'`` to append to an
-   existing file.  If *mode* is ``'a'`` and *file* refers to an existing ZIP
+   file, ``'w'`` to truncate and write a new file, ``'x'`` to exclusive create
+   and write a new file, or ``'a'`` to append to an existing file.
+   If *mode* is ``'x'`` and *file* refers to an existing file,
+   a :exc:`FileExistsError` will be raised.
+   If *mode* is ``'a'`` and *file* refers to an existing ZIP
    file, then additional files are added to it.  If *file* does not refer to a
    ZIP file, then a new ZIP archive is appended to the file.  This is meant for
    adding a ZIP archive to another file (such as :file:`python.exe`).  If
    *mode* is ``a`` and the file does not exist at all, it is created.
+   If *mode* is ``r`` or ``a``, the file should be seekable.
    *compression* is the ZIP compression method to use when writing the archive,
    and should be :const:`ZIP_STORED`, :const:`ZIP_DEFLATED`,
    :const:`ZIP_BZIP2` or :const:`ZIP_LZMA`; unrecognized
@@ -151,7 +155,7 @@ ZipFile Objects
    extensions when the zipfile is larger than 2 GiB. If it is  false :mod:`zipfile`
    will raise an exception when the ZIP file would require ZIP64 extensions.
 
-   If the file is created with mode ``'a'`` or ``'w'`` and then
+   If the file is created with mode ``'w'``, ``'x'`` or ``'a'`` and then
    :meth:`closed <close>` without adding any files to the archive, the appropriate
    ZIP structures for an empty archive will be written to the file.
 
@@ -171,6 +175,10 @@ ZipFile Objects
    .. versionchanged:: 3.4
       ZIP64 extensions are enabled by default.
 
+   .. versionchanged:: 3.5
+      Added support for writing to unseekable streams.
+      Added support for the ``'x'`` mode.
+
 
 .. method:: ZipFile.close()
 
@@ -226,14 +234,8 @@ ZipFile Objects
 
    .. note::
 
-      If the ZipFile was created by passing in a file-like object as the  first
-      argument to the constructor, then the object returned by :meth:`.open` shares the
-      ZipFile's file pointer.  Under these  circumstances, the object returned by
-      :meth:`.open` should not  be used after any additional operations are performed
-      on the  ZipFile object.  If the ZipFile was created by passing in a string (the
-      filename) as the first argument to the constructor, then  :meth:`.open` will
-      create a new file object that will be held by the ZipExtFile, allowing it to
-      operate independently of the  ZipFile.
+      Objects returned by :meth:`.open` can operate independently of the
+      ZipFile.
 
    .. note::
 
@@ -318,7 +320,8 @@ ZipFile Objects
    *arcname* (by default, this will be the same as *filename*, but without a drive
    letter and with leading path separators removed).  If given, *compress_type*
    overrides the value given for the *compression* parameter to the constructor for
-   the new entry.  The archive must be open with mode ``'w'`` or ``'a'`` -- calling
+   the new entry.
+   The archive must be open with mode ``'w'``, ``'x'`` or ``'a'`` -- calling
    :meth:`write` on a ZipFile created with mode ``'r'`` will raise a
    :exc:`RuntimeError`.  Calling  :meth:`write` on a closed ZipFile will raise a
    :exc:`RuntimeError`.
@@ -340,16 +343,16 @@ ZipFile Objects
       If ``arcname`` (or ``filename``, if ``arcname`` is  not given) contains a null
       byte, the name of the file in the archive will be truncated at the null byte.
 
-
 .. method:: ZipFile.writestr(zinfo_or_arcname, bytes[, compress_type])
 
    Write the string *bytes* to the archive; *zinfo_or_arcname* is either the file
    name it will be given in the archive, or a :class:`ZipInfo` instance.  If it's
    an instance, at least the filename, date, and time must be given.  If it's a
-   name, the date and time is set to the current date and time. The archive must be
-   opened with mode ``'w'`` or ``'a'`` -- calling  :meth:`writestr` on a ZipFile
-   created with mode ``'r'``  will raise a :exc:`RuntimeError`.  Calling
-   :meth:`writestr` on a closed ZipFile will raise a :exc:`RuntimeError`.
+   name, the date and time is set to the current date and time.
+   The archive must be opened with mode ``'w'``, ``'x'`` or ``'a'`` -- calling
+   :meth:`writestr` on a ZipFile created with mode ``'r'`` will raise a
+   :exc:`RuntimeError`.  Calling :meth:`writestr` on a closed ZipFile will
+   raise a :exc:`RuntimeError`.
 
    If given, *compress_type* overrides the value given for the *compression*
    parameter to the constructor for the new entry, or in the *zinfo_or_arcname*
@@ -377,7 +380,8 @@ The following data attributes are also available:
 .. attribute:: ZipFile.comment
 
    The comment text associated with the ZIP file.  If assigning a comment to a
-   :class:`ZipFile` instance created with mode 'a' or 'w', this should be a
+   :class:`ZipFile` instance created with mode ``'w'``, ``'x'`` or ``'a'``,
+   this should be a
    string no longer than 65535 bytes.  Comments longer than this will be
    truncated in the written archive when :meth:`close` is called.
 
@@ -407,8 +411,7 @@ The :class:`PyZipFile` constructor takes the same parameters as the
       archive.
 
       If the *optimize* parameter to :class:`PyZipFile` was not given or ``-1``,
-      the corresponding file is a :file:`\*.pyo` file if available, else a
-      :file:`\*.pyc` file, compiling if necessary.
+      the corresponding file is a :file:`\*.pyc` file, compiling if necessary.
 
       If the *optimize* parameter to :class:`PyZipFile` was ``0``, ``1`` or
       ``2``, only files with that optimization level (see :func:`compile`) are
@@ -571,4 +574,3 @@ Instances have the following attributes:
 .. attribute:: ZipInfo.file_size
 
    Size of the uncompressed file.
-
diff --git a/Doc/library/zipimport.rst b/Doc/library/zipimport.rst
index 2cf508b..8a5d5d1 100644
--- a/Doc/library/zipimport.rst
+++ b/Doc/library/zipimport.rst
@@ -20,10 +20,10 @@ subdirectory.  For example, the path :file:`example.zip/lib/` would only
 import from the :file:`lib/` subdirectory within the archive.
 
 Any files may be present in the ZIP archive, but only files :file:`.py` and
-:file:`.py[co]` are available for import.  ZIP import of dynamic modules
+:file:`.pyc` are available for import.  ZIP import of dynamic modules
 (:file:`.pyd`, :file:`.so`) is disallowed. Note that if an archive only contains
 :file:`.py` files, Python will not attempt to modify the archive by adding the
-corresponding :file:`.pyc` or :file:`.pyo` file, meaning that if a ZIP archive
+corresponding :file:`.pyc` file, meaning that if a ZIP archive
 doesn't contain :file:`.pyc` files, importing may be rather slow.
 
 ZIP archives with an archive comment are currently not supported.
@@ -161,4 +161,3 @@ Here is an example that imports a module from a ZIP archive - note that the
    >>> import jwzthreading
    >>> jwzthreading.__file__
    'example.zip/jwzthreading.py'
-
diff --git a/Doc/make.bat b/Doc/make.bat
index 251f822..3ff91f2 100644
--- a/Doc/make.bat
+++ b/Doc/make.bat
@@ -8,9 +8,17 @@ set this=%~n0
 if "%SPHINXBUILD%" EQU "" set SPHINXBUILD=sphinx-build

 if "%PYTHON%" EQU "" set PYTHON=py

 

-if DEFINED ProgramFiles(x86) set _PRGMFLS=%ProgramFiles(x86)%

-if NOT DEFINED ProgramFiles(x86) set _PRGMFLS=%ProgramFiles%

-if "%HTMLHELP%" EQU "" set HTMLHELP=%_PRGMFLS%\HTML Help Workshop\hhc.exe

+if "%1" NEQ "htmlhelp" goto :skiphhcsearch

+if exist "%HTMLHELP%" goto :skiphhcsearch

+

+rem Search for HHC in likely places

+set HTMLHELP=

+where hhc /q && set HTMLHELP=hhc && goto :skiphhcsearch

+where /R ..\externals hhc > "%TEMP%\hhc.loc" 2> nul && set /P HTMLHELP= < "%TEMP%\hhc.loc" & del "%TEMP%\hhc.loc"

+if not exist "%HTMLHELP%" where /R "%ProgramFiles(x86)%" hhc > "%TEMP%\hhc.loc" 2> nul && set /P HTMLHELP= < "%TEMP%\hhc.loc" & del "%TEMP%\hhc.loc"

+if not exist "%HTMLHELP%" where /R "%ProgramFiles%" hhc > "%TEMP%\hhc.loc" 2> nul && set /P HTMLHELP= < "%TEMP%\hhc.loc" & del "%TEMP%\hhc.loc"

+if not exist "%HTMLHELP%" echo Cannot find HHC on PATH or in externals & exit /B 1

+:skiphhcsearch

 

 if "%DISTVERSION%" EQU "" for /f "usebackq" %%v in (`%PYTHON% tools/extensions/patchlevel.py`) do set DISTVERSION=%%v

 

@@ -36,7 +44,8 @@ if errorlevel 9009 (
     echo.

     echo.If you don't have Sphinx installed, grab it from

     echo.http://sphinx-doc.org/

-    goto end

+    popd

+    exit /B 1

 )

 

 rem Targets that do require sphinx-build and have their own label

diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index dda18ba..df8b245 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1986,6 +1986,7 @@ left undefined.
 .. method:: object.__add__(self, other)
             object.__sub__(self, other)
             object.__mul__(self, other)
+            object.__matmul__(self, other)
             object.__truediv__(self, other)
             object.__floordiv__(self, other)
             object.__mod__(self, other)
@@ -2002,15 +2003,16 @@ left undefined.
       builtin: pow
       builtin: pow
 
-   These methods are called to implement the binary arithmetic operations (``+``,
-   ``-``, ``*``, ``/``, ``//``, ``%``, :func:`divmod`, :func:`pow`, ``**``, ``<<``,
-   ``>>``, ``&``, ``^``, ``|``).  For instance, to evaluate the expression
-   ``x + y``, where *x* is an instance of a class that has an :meth:`__add__`
-   method, ``x.__add__(y)`` is called.  The :meth:`__divmod__` method should be the
-   equivalent to using :meth:`__floordiv__` and :meth:`__mod__`; it should not be
-   related to :meth:`__truediv__`.  Note that :meth:`__pow__` should be defined
-   to accept an optional third argument if the ternary version of the built-in
-   :func:`pow` function is to be supported.
+   These methods are called to implement the binary arithmetic operations
+   (``+``, ``-``, ``*``, ``@``, ``/``, ``//``, ``%``, :func:`divmod`,
+   :func:`pow`, ``**``, ``<<``, ``>>``, ``&``, ``^``, ``|``).  For instance, to
+   evaluate the expression ``x + y``, where *x* is an instance of a class that
+   has an :meth:`__add__` method, ``x.__add__(y)`` is called.  The
+   :meth:`__divmod__` method should be the equivalent to using
+   :meth:`__floordiv__` and :meth:`__mod__`; it should not be related to
+   :meth:`__truediv__`.  Note that :meth:`__pow__` should be defined to accept
+   an optional third argument if the ternary version of the built-in :func:`pow`
+   function is to be supported.
 
    If one of those methods does not support the operation with the supplied
    arguments, it should return ``NotImplemented``.
@@ -2019,6 +2021,7 @@ left undefined.
 .. method:: object.__radd__(self, other)
             object.__rsub__(self, other)
             object.__rmul__(self, other)
+            object.__rmatmul__(self, other)
             object.__rtruediv__(self, other)
             object.__rfloordiv__(self, other)
             object.__rmod__(self, other)
@@ -2034,14 +2037,14 @@ left undefined.
       builtin: divmod
       builtin: pow
 
-   These methods are called to implement the binary arithmetic operations (``+``,
-   ``-``, ``*``, ``/``, ``//``, ``%``, :func:`divmod`, :func:`pow`, ``**``,
-   ``<<``, ``>>``, ``&``, ``^``, ``|``) with reflected (swapped) operands.
-   These functions are only called if the left operand does not support the
-   corresponding operation and the operands are of different types. [#]_  For
-   instance, to evaluate the expression ``x - y``, where *y* is an instance of
-   a class that has an :meth:`__rsub__` method, ``y.__rsub__(x)`` is called if
-   ``x.__sub__(y)`` returns *NotImplemented*.
+   These methods are called to implement the binary arithmetic operations
+   (``+``, ``-``, ``*``, ``@``, ``/``, ``//``, ``%``, :func:`divmod`,
+   :func:`pow`, ``**``, ``<<``, ``>>``, ``&``, ``^``, ``|``) with reflected
+   (swapped) operands.  These functions are only called if the left operand does
+   not support the corresponding operation and the operands are of different
+   types. [#]_ For instance, to evaluate the expression ``x - y``, where *y* is
+   an instance of a class that has an :meth:`__rsub__` method, ``y.__rsub__(x)``
+   is called if ``x.__sub__(y)`` returns *NotImplemented*.
 
    .. index:: builtin: pow
 
@@ -2059,6 +2062,7 @@ left undefined.
 .. method:: object.__iadd__(self, other)
             object.__isub__(self, other)
             object.__imul__(self, other)
+            object.__imatmul__(self, other)
             object.__itruediv__(self, other)
             object.__ifloordiv__(self, other)
             object.__imod__(self, other)
@@ -2070,17 +2074,17 @@ left undefined.
             object.__ior__(self, other)
 
    These methods are called to implement the augmented arithmetic assignments
-   (``+=``, ``-=``, ``*=``, ``/=``, ``//=``, ``%=``, ``**=``, ``<<=``, ``>>=``,
-   ``&=``, ``^=``, ``|=``).  These methods should attempt to do the operation
-   in-place (modifying *self*) and return the result (which could be, but does
-   not have to be, *self*).  If a specific method is not defined, the augmented
-   assignment falls back to the normal methods.  For instance, if *x* is an
-   instance of a class with an :meth:`__iadd__` method, ``x += y`` is equivalent
-   to ``x = x.__iadd__(y)`` . Otherwise, ``x.__add__(y)`` and ``y.__radd__(x)``
-   are considered, as with the evaluation of ``x + y``. In certain situations,
-   augmented assignment can result in unexpected errors (see
-   :ref:`faq-augmented-assignment-tuple-error`), but this behavior is in
-   fact part of the data model.
+   (``+=``, ``-=``, ``*=``, ``@=``, ``/=``, ``//=``, ``%=``, ``**=``, ``<<=``,
+   ``>>=``, ``&=``, ``^=``, ``|=``).  These methods should attempt to do the
+   operation in-place (modifying *self*) and return the result (which could be,
+   but does not have to be, *self*).  If a specific method is not defined, the
+   augmented assignment falls back to the normal methods.  For instance, if *x*
+   is an instance of a class with an :meth:`__iadd__` method, ``x += y`` is
+   equivalent to ``x = x.__iadd__(y)`` . Otherwise, ``x.__add__(y)`` and
+   ``y.__radd__(x)`` are considered, as with the evaluation of ``x + y``. In
+   certain situations, augmented assignment can result in unexpected errors (see
+   :ref:`faq-augmented-assignment-tuple-error`), but this behavior is in fact
+   part of the data model.
 
 
 .. method:: object.__neg__(self)
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index 1a5088a..12f9f2f 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -891,8 +891,9 @@ from the power operator, there are only two levels, one for multiplicative
 operators and one for additive operators:
 
 .. productionlist::
-   m_expr: `u_expr` | `m_expr` "*" `u_expr` | `m_expr` "//" `u_expr` | `m_expr` "/" `u_expr`
-         : | `m_expr` "%" `u_expr`
+   m_expr: `u_expr` | `m_expr` "*" `u_expr` | `m_expr` "@" `m_expr` |
+         : `m_expr` "//" `u_expr`| `m_expr` "/" `u_expr` |
+         : `m_expr` "%" `u_expr`
    a_expr: `m_expr` | `a_expr` "+" `m_expr` | `a_expr` "-" `m_expr`
 
 .. index:: single: multiplication
@@ -903,6 +904,13 @@ the other must be a sequence. In the former case, the numbers are converted to a
 common type and then multiplied together.  In the latter case, sequence
 repetition is performed; a negative repetition factor yields an empty sequence.
 
+.. index:: single: matrix multiplication
+
+The ``@`` (at) operator is intended to be used for matrix multiplication.  No
+builtin Python types implement this operator.
+
+.. versionadded:: 3.5
+
 .. index::
    exception: ZeroDivisionError
    single: division
@@ -1346,8 +1354,9 @@ precedence and have a left-to-right chaining feature as described in the
 +-----------------------------------------------+-------------------------------------+
 | ``+``, ``-``                                  | Addition and subtraction            |
 +-----------------------------------------------+-------------------------------------+
-| ``*``, ``/``, ``//``, ``%``                   | Multiplication, division, remainder |
-|                                               | [#]_                                |
+| ``*``, ``@``, ``/``, ``//``, ``%``            | Multiplication, matrix              |
+|                                               | multiplication division,            |
+|                                               | remainder [#]_                      |
 +-----------------------------------------------+-------------------------------------+
 | ``+x``, ``-x``, ``~x``                        | Positive, negative, bitwise NOT     |
 +-----------------------------------------------+-------------------------------------+
diff --git a/Doc/reference/import.rst b/Doc/reference/import.rst
index 7966bc5..50e4688 100644
--- a/Doc/reference/import.rst
+++ b/Doc/reference/import.rst
@@ -339,6 +339,7 @@ of what happens during the loading portion of import::
 
     module = None
     if spec.loader is not None and hasattr(spec.loader, 'create_module'):
+        # It is assumed 'exec_module' will also be defined on the loader.
         module = spec.loader.create_module(spec)
     if module is None:
         module = ModuleType(spec.name)
@@ -427,7 +428,7 @@ Module loaders may opt in to creating the module object during loading
 by implementing a :meth:`~importlib.abc.Loader.create_module` method.
 It takes one argument, the module spec, and returns the new module object
 to use during loading.  ``create_module()`` does not need to set any attributes
-on the module object.  If the loader does not define ``create_module()``, the
+on the module object.  If the method returns ``None``, the
 import machinery will create the new module itself.
 
 .. versionadded:: 3.4
@@ -459,7 +460,13 @@ import machinery will create the new module itself.
 
     * If loading fails, the loader must remove any modules it has inserted
       into :data:`sys.modules`, but it must remove **only** the failing
-      module, and only if the loader itself has loaded it explicitly.
+      module(s), and only if the loader itself has loaded the module(s)
+      explicitly.
+
+.. versionchanged:: 3.5
+   A :exc:`DeprecationWarning` is raised when ``exec_module()`` is defined but
+   ``create_module()`` is not. Starting in Python 3.6 it will be an error to not
+   define ``create_module()`` on a loader attached to a ModuleSpec.
 
 Submodules
 ----------
@@ -674,7 +681,7 @@ path entry finder that knows how to handle that particular kind of path.
 
 The default set of path entry finders implement all the semantics for finding
 modules on the file system, handling special file types such as Python source
-code (``.py`` files), Python byte code (``.pyc`` and ``.pyo`` files) and
+code (``.py`` files), Python byte code (``.pyc`` files) and
 shared libraries (e.g. ``.so`` files). When supported by the :mod:`zipimport`
 module in the standard library, the default path entry finders also handle
 loading all of these file types (other than shared libraries) from zipfiles.
@@ -788,6 +795,15 @@ hook` callables on :data:`sys.path_hooks`, then the following protocol is used
 to ask the finder for a module spec, which is then used when loading the
 module.
 
+The current working directory -- denoted by an empty string -- is handled
+slightly differently from other entries on :data:`sys.path`. First, if the
+current working directory is found to not exist, no value is stored in
+:data:`sys.path_importer_cache`. Second, the value for the current working
+directory is looked up fresh for each module lookup. Third, the path used for
+:data:`sys.path_importer_cache` and returned by
+:meth:`importlib.machinery.PathFinder.find_spec` will be the actual current
+working directory and not the empty string.
+
 Path entry finder protocol
 --------------------------
 
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index 2bf66b1..c673791 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -311,7 +311,7 @@ The Unicode category codes mentioned above stand for:
 * *Nd* - decimal numbers
 * *Pc* - connector punctuations
 * *Other_ID_Start* - explicit list of characters in `PropList.txt
-  <http://www.unicode.org/Public/6.3.0/ucd/PropList.txt>`_ to support backwards
+  <http://www.unicode.org/Public/7.0.0/ucd/PropList.txt>`_ to support backwards
   compatibility
 * *Other_ID_Continue* - likewise
 
@@ -691,7 +691,7 @@ Operators
 
 The following tokens are operators::
 
-   +       -       *       **      /       //      %
+   +       -       *       **      /       //      %      @
    <<      >>      &       |       ^       ~
    <       >       <=      >=      ==      !=
 
@@ -707,7 +707,7 @@ The following tokens serve as delimiters in the grammar::
 
    (       )       [       ]       {       }
    ,       :       .       ;       @       =       ->
-   +=      -=      *=      /=      //=     %=
+   +=      -=      *=      /=      //=     %=      @=
    &=      |=      ^=      >>=     <<=     **=
 
 The period can also occur in floating-point and imaginary literals.  A sequence
@@ -728,4 +728,4 @@ occurrence outside string literals and comments is an unconditional error::
 
 .. rubric:: Footnotes
 
-.. [#] http://www.unicode.org/Public/6.3.0/ucd/NameAliases.txt
+.. [#] http://www.unicode.org/Public/7.0.0/ucd/NameAliases.txt
diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
index 8946b4f..5f60540 100644
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -281,7 +281,7 @@ operation and an assignment statement:
 .. productionlist::
    augmented_assignment_stmt: `augtarget` `augop` (`expression_list` | `yield_expression`)
    augtarget: `identifier` | `attributeref` | `subscription` | `slicing`
-   augop: "+=" | "-=" | "*=" | "/=" | "//=" | "%=" | "**="
+   augop: "+=" | "-=" | "*=" | "@=" | "/=" | "//=" | "%=" | "**="
         : | ">>=" | "<<=" | "&=" | "^=" | "|="
 
 (See section :ref:`primaries` for the syntax definitions of the last three
diff --git a/Doc/tools/extensions/pyspecific.py b/Doc/tools/extensions/pyspecific.py
index 64a5665..9b78184 100644
--- a/Doc/tools/extensions/pyspecific.py
+++ b/Doc/tools/extensions/pyspecific.py
@@ -34,7 +34,7 @@ import suspicious
 
 
 ISSUE_URI = 'https://bugs.python.org/issue%s'
-SOURCE_URI = 'https://hg.python.org/cpython/file/3.4/%s'
+SOURCE_URI = 'https://hg.python.org/cpython/file/default/%s'
 
 # monkey-patch reST parser to disable alphabetic and roman enumerated lists
 from docutils.parsers.rst.states import Body
diff --git a/Doc/tools/susp-ignored.csv b/Doc/tools/susp-ignored.csv
index 48653af8..5eaa09a 100644
--- a/Doc/tools/susp-ignored.csv
+++ b/Doc/tools/susp-ignored.csv
@@ -122,6 +122,8 @@ library/ipaddress,,:db8,>>> ipaddress.IPv6Address('2001:db8::1000')
 library/ipaddress,,::,>>> ipaddress.IPv6Address('2001:db8::1000')
 library/ipaddress,,:db8,IPv6Address('2001:db8::1000')
 library/ipaddress,,::,IPv6Address('2001:db8::1000')
+library/ipaddress,,:db8,">>> ipaddress.ip_address(""2001:db8::1"").reverse_pointer"
+library/ipaddress,,::,">>> ipaddress.ip_address(""2001:db8::1"").reverse_pointer"
 library/ipaddress,,::,"""::abc:7:def"""
 library/ipaddress,,:def,"""::abc:7:def"""
 library/ipaddress,,::,::FFFF/96
@@ -136,12 +138,9 @@ library/ipaddress,,:db00,2001:db00::0/ffff:ff00::
 library/ipaddress,,::,2001:db00::0/ffff:ff00::
 library/itertools,,:step,elements from seq[start:stop:step]
 library/itertools,,:stop,elements from seq[start:stop:step]
-library/linecache,,:sys,"sys:x:3:3:sys:/dev:/bin/sh"
 library/logging.handlers,,:port,host:port
 library/mmap,,:i2,obj[i1:i2]
 library/multiprocessing,,`,# Add more tasks using `put()`
-library/multiprocessing,,`,">>> l._callmethod('__getitem__', (20,))     # equiv to `l[20]`"
-library/multiprocessing,,`,">>> l._callmethod('__getslice__', (2, 7))   # equiv to `l[2:7]`"
 library/multiprocessing,,:queue,">>> QueueManager.register('get_queue', callable=lambda:queue)"
 library/multiprocessing,,`,# register the Foo class; make `f()` and `g()` accessible via proxy
 library/multiprocessing,,`,# register the Foo class; make `g()` and `_h()` accessible via proxy
@@ -179,8 +178,6 @@ library/ssl,,:MyState,State or Province Name (full name) [Some-State]:MyState
 library/ssl,,:ops,Email Address []:ops@myserver.mygroup.myorganization.com
 library/ssl,,:Some,"Locality Name (eg, city) []:Some City"
 library/ssl,,:US,Country Name (2 letter code) [AU]:US
-library/stdtypes,,::,>>> a[::-1].tolist()
-library/stdtypes,,::,>>> a[::2].tolist()
 library/stdtypes,,:end,s[start:end]
 library/stdtypes,,::,>>> hash(v[::-2]) == hash(b'abcefg'[::-2])
 library/stdtypes,,:len,s[len(s):len(s)]
@@ -256,6 +253,11 @@ whatsnew/2.4,,:System,
 whatsnew/2.5,,:memory,:memory:
 whatsnew/2.5,,:step,[start:stop:step]
 whatsnew/2.5,,:stop,[start:stop:step]
+whatsnew/2.7,,::,"ParseResult(scheme='http', netloc='[1080::8:800:200C:417A]',"
+whatsnew/2.7,,::,>>> urlparse.urlparse('http://[1080::8:800:200C:417A]/foo')
+whatsnew/2.7,,:Sunday,'2009:4:Sunday'
+whatsnew/2.7,,:Cookie,"export PYTHONWARNINGS=all,error:::Cookie:0"
+whatsnew/2.7,,::,"export PYTHONWARNINGS=all,error:::Cookie:0"
 whatsnew/3.2,,:affe,"netloc='[dead:beef:cafe:5417:affe:8FA3:deaf:feed]',"
 whatsnew/3.2,,:affe,>>> urllib.parse.urlparse('http://[dead:beef:cafe:5417:affe:8FA3:deaf:feed]/foo/')
 whatsnew/3.2,,:beef,"netloc='[dead:beef:cafe:5417:affe:8FA3:deaf:feed]',"
@@ -271,14 +273,20 @@ whatsnew/3.2,,:feed,>>> urllib.parse.urlparse('http://[dead:beef:cafe:5417:affe:
 whatsnew/3.2,,:gz,">>> with tarfile.open(name='myarchive.tar.gz', mode='w:gz') as tf:"
 whatsnew/3.2,,:location,zope9-location = ${zope9:location}
 whatsnew/3.2,,:prefix,zope-conf = ${custom:prefix}/etc/zope.conf
-whatsnew/changelog,,:platform,:platform:
 whatsnew/changelog,,:gz,": TarFile opened with external fileobj and ""w:gz"" mode didn't"
-whatsnew/changelog,,:PythonCmd,"With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused"
-whatsnew/changelog,,::,": Fix FTP tests for IPv6, bind to ""::1"" instead of ""localhost""."
 whatsnew/changelog,,::,": Use ""127.0.0.1"" or ""::1"" instead of ""localhost"" as much as"
-whatsnew/changelog,,:password,user:password
-whatsnew/2.7,780,:Sunday,'2009:4:Sunday'
-whatsnew/2.7,907,::,"export PYTHONWARNINGS=all,error:::Cookie:0"
-whatsnew/2.7,907,:Cookie,"export PYTHONWARNINGS=all,error:::Cookie:0"
-whatsnew/2.7,1657,::,>>> urlparse.urlparse('http://[1080::8:800:200C:417A]/foo')
-whatsnew/2.7,1657,::,"ParseResult(scheme='http', netloc='[1080::8:800:200C:417A]',"
+library/tarfile,149,:xz,'x:xz'
+library/xml.etree.elementtree,290,:sometag,prefix:sometag
+library/xml.etree.elementtree,301,:fictional,"<actors xmlns:fictional=""http://characters.example.com"""
+library/xml.etree.elementtree,301,:character,<fictional:character>Lancelot</fictional:character>
+library/xml.etree.elementtree,301,:character,<fictional:character>Archie Leach</fictional:character>
+library/xml.etree.elementtree,301,:character,<fictional:character>Sir Robin</fictional:character>
+library/xml.etree.elementtree,301,:character,<fictional:character>Gunther</fictional:character>
+library/xml.etree.elementtree,301,:character,<fictional:character>Commander Clement</fictional:character>
+library/xml.etree.elementtree,332,:actor,"for actor in root.findall('real_person:actor', ns):"
+library/xml.etree.elementtree,332,:name,"name = actor.find('real_person:name', ns)"
+library/xml.etree.elementtree,332,:character,"for char in actor.findall('role:character', ns):"
+library/zipapp,31,:main,"$ python -m zipapp myapp -m ""myapp:main"""
+library/zipapp,82,:fn,"argument should have the form ""pkg.mod:fn"", where ""pkg.mod"" is a"
+library/zipapp,155,:callable,"""pkg.module:callable"" and the archive will be run by importing"
+library/stdtypes,3720,::,>>> m[::2].tolist()
diff --git a/Doc/tools/templates/indexsidebar.html b/Doc/tools/templates/indexsidebar.html
index abdf070..78e9c4f 100644
--- a/Doc/tools/templates/indexsidebar.html
+++ b/Doc/tools/templates/indexsidebar.html
@@ -3,8 +3,7 @@
 <h3>Docs for other versions</h3>
 <ul>
   <li><a href="https://docs.python.org/2.7/">Python 2.7 (stable)</a></li>
-  <li><a href="https://docs.python.org/3.3/">Python 3.3 (stable)</a></li>
-  <li><a href="https://docs.python.org/3.5/">Python 3.5 (in development)</a></li>
+  <li><a href="https://docs.python.org/3.4/">Python 3.4 (stable)</a></li>
   <li><a href="https://www.python.org/doc/versions/">Old versions</a></li>
 </ul>
 
diff --git a/Doc/tutorial/appendix.rst b/Doc/tutorial/appendix.rst
index 8670efc..67262a1 100644
--- a/Doc/tutorial/appendix.rst
+++ b/Doc/tutorial/appendix.rst
@@ -40,7 +40,7 @@ Executable Python Scripts
 On BSD'ish Unix systems, Python scripts can be made directly executable, like
 shell scripts, by putting the line ::
 
-   #!/usr/bin/env python3.4
+   #!/usr/bin/env python3.5
 
 (assuming that the interpreter is on the user's :envvar:`PATH`) at the beginning
 of the script and giving the file an executable mode.  The ``#!`` must be the
@@ -107,7 +107,7 @@ of your user site-packages directory.  Start Python and run this code::
 
    >>> import site
    >>> site.getusersitepackages()
-   '/home/user/.local/lib/python3.4/site-packages'
+   '/home/user/.local/lib/python3.5/site-packages'
 
 Now you can create a file named :file:`usercustomize.py` in that directory and
 put anything you want in it.  It will affect every invocation of Python, unless
diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst
index 1ea299f..a2031ed 100644
--- a/Doc/tutorial/datastructures.rst
+++ b/Doc/tutorial/datastructures.rst
@@ -73,10 +73,11 @@ objects:
    Return the number of times *x* appears in the list.
 
 
-.. method:: list.sort()
+.. method:: list.sort(key=None, reverse=False)
    :noindex:
 
-   Sort the items of the list in place.
+   Sort the items of the list in place (the arguments can be used for sort
+   customization, see :func:`sorted` for their explanation).
 
 
 .. method:: list.reverse()
diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst
index 8051634..d5789a6 100644
--- a/Doc/tutorial/interpreter.rst
+++ b/Doc/tutorial/interpreter.rst
@@ -10,13 +10,13 @@ Using the Python Interpreter
 Invoking the Interpreter
 ========================
 
-The Python interpreter is usually installed as :file:`/usr/local/bin/python3.4`
+The Python interpreter is usually installed as :file:`/usr/local/bin/python3.5`
 on those machines where it is available; putting :file:`/usr/local/bin` in your
 Unix shell's search path makes it possible to start it by typing the command:
 
 .. code-block:: text
 
-   python3.4
+   python3.5
 
 to the shell. [#]_ Since the choice of the directory where the interpreter lives
 is an installation option, other places are possible; check with your local
@@ -24,11 +24,11 @@ Python guru or system administrator.  (E.g., :file:`/usr/local/python` is a
 popular alternative location.)
 
 On Windows machines, the Python installation is usually placed in
-:file:`C:\\Python34`, though you can change this when you're running the
+:file:`C:\\Python35`, though you can change this when you're running the
 installer.  To add this directory to your path,  you can type the following
 command into the command prompt in a DOS box::
 
-   set path=%path%;C:\python34
+   set path=%path%;C:\python35
 
 Typing an end-of-file character (:kbd:`Control-D` on Unix, :kbd:`Control-Z` on
 Windows) at the primary prompt causes the interpreter to exit with a zero exit
@@ -96,8 +96,8 @@ with the *secondary prompt*, by default three dots (``...``). The interpreter
 prints a welcome message stating its version number and a copyright notice
 before printing the first prompt::
 
-   $ python3.4
-   Python 3.4 (default, Mar 16 2014, 09:25:04)
+   $ python3.5
+   Python 3.5 (default, Sep 16 2015, 09:25:04)
    [GCC 4.8.2] on linux
    Type "help", "copyright", "credits" or "license" for more information.
    >>>
diff --git a/Doc/tutorial/modules.rst b/Doc/tutorial/modules.rst
index fd361ae..9ae64b0 100644
--- a/Doc/tutorial/modules.rst
+++ b/Doc/tutorial/modules.rst
@@ -216,15 +216,15 @@ Some tips for experts:
   statements, the ``-OO`` switch removes both assert statements and __doc__
   strings.  Since some programs may rely on having these available, you should
   only use this option if you know what you're doing.  "Optimized" modules have
-  a .pyo rather than a .pyc suffix and are usually smaller.  Future releases may
+  an ``opt-`` tag and are usually smaller.  Future releases may
   change the effects of optimization.
 
-* A program doesn't run any faster when it is read from a ``.pyc`` or ``.pyo``
+* A program doesn't run any faster when it is read from a ``.pyc``
   file than when it is read from a ``.py`` file; the only thing that's faster
-  about ``.pyc`` or ``.pyo`` files is the speed with which they are loaded.
+  about ``.pyc`` files is the speed with which they are loaded.
 
-* The module :mod:`compileall` can create .pyc files (or .pyo files when
-  :option:`-O` is used) for all modules in a directory.
+* The module :mod:`compileall` can create .pyc files for all modules in a
+  directory.
 
 * There is more detail on this process, including a flow chart of the
   decisions, in PEP 3147.
@@ -548,4 +548,3 @@ modules found in a package.
 .. [#] In fact function definitions are also 'statements' that are 'executed'; the
    execution of a module-level function definition enters the function name in
    the module's global symbol table.
-
diff --git a/Doc/tutorial/stdlib.rst b/Doc/tutorial/stdlib.rst
index d71598e..598859d 100644
--- a/Doc/tutorial/stdlib.rst
+++ b/Doc/tutorial/stdlib.rst
@@ -15,7 +15,7 @@ operating system::
 
    >>> import os
    >>> os.getcwd()      # Return the current working directory
-   'C:\\Python34'
+   'C:\\Python35'
    >>> os.chdir('/server/accesslogs')   # Change current working directory
    >>> os.system('mkdir today')   # Run the command mkdir in the system shell
    0
diff --git a/Doc/tutorial/stdlib2.rst b/Doc/tutorial/stdlib2.rst
index c0197ea..f7d2a0a 100644
--- a/Doc/tutorial/stdlib2.rst
+++ b/Doc/tutorial/stdlib2.rst
@@ -18,7 +18,7 @@ abbreviated displays of large or deeply nested containers::
 
    >>> import reprlib
    >>> reprlib.repr(set('supercalifragilisticexpialidocious'))
-   "set(['a', 'c', 'd', 'e', 'f', 'g', ...])"
+   "{'a', 'c', 'd', 'e', 'f', 'g', ...}"
 
 The :mod:`pprint` module offers more sophisticated control over printing both
 built-in and user defined objects in a way that is readable by the interpreter.
@@ -277,7 +277,7 @@ applications include caching objects that are expensive to create::
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
        d['primary']                # entry was automatically removed
-     File "C:/python34/lib/weakref.py", line 46, in __getitem__
+     File "C:/python35/lib/weakref.py", line 46, in __getitem__
        o = self.data[key]()
    KeyError: 'primary'
 
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index 4017ce8..701c624 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -190,13 +190,16 @@ Miscellaneous options
 
 .. cmdoption:: -b
 
-   Issue a warning when comparing str and bytes. Issue an error when the
+   Issue a warning when comparing :class:`bytes` or :class:`bytearray` with
+   :class:`str` or :class:`bytes` with :class:`int`.  Issue an error when the
    option is given twice (:option:`-bb`).
 
+   .. versionchanged: 3.5
+      Affects comparisons of :class:`bytes` with :class:`int`.
 
 .. cmdoption:: -B
 
-   If given, Python won't try to write ``.pyc`` or ``.pyo`` files on the
+   If given, Python won't try to write ``.pyc`` files on the
    import of source modules.  See also :envvar:`PYTHONDONTWRITEBYTECODE`.
 
 
diff --git a/Doc/using/venv-create.inc b/Doc/using/venv-create.inc
index 45bdd5a..02bcbee 100644
--- a/Doc/using/venv-create.inc
+++ b/Doc/using/venv-create.inc
@@ -21,11 +21,11 @@ subdirectory (on Windows, this is ``Lib\site-packages``).
 On Windows, you may have to invoke the ``pyvenv`` script as follows, if you
 don't have the relevant PATH and PATHEXT settings::
 
-    c:\Temp>c:\Python34\python c:\Python34\Tools\Scripts\pyvenv.py myenv
+    c:\Temp>c:\Python35\python c:\Python35\Tools\Scripts\pyvenv.py myenv
 
 or equivalently::
 
-    c:\Temp>c:\Python34\python -m venv myenv
+    c:\Temp>c:\Python35\python -m venv myenv
 
 The command, if run with ``-h``, will show the available options::
 
diff --git a/Doc/using/win_installer.png b/Doc/using/win_installer.png
new file mode 100644
index 0000000..4696bb2
--- /dev/null
+++ b/Doc/using/win_installer.png
diff --git a/Doc/using/windows.rst b/Doc/using/windows.rst
index c05f72a..7113dfa 100644
--- a/Doc/using/windows.rst
+++ b/Doc/using/windows.rst
@@ -7,6 +7,7 @@
 *************************
 
 .. sectionauthor:: Robert Lehmann <lehmannro@gmail.com>
+.. sectionauthor:: Steve Dower <steve.dower@microsoft.com>
 
 This document aims to give an overview of Windows-specific behaviour you should
 know about when using Python on Microsoft Windows.
@@ -19,10 +20,172 @@ know about when using Python on Microsoft Windows.
 Installing Python
 =================
 
-Unlike most Unix systems and services, Windows does not require Python natively
-and thus does not pre-install a version of Python.  However, the CPython team
+Unlike most Unix systems and services, Windows does not include a system
+supported installation of Python. To make Python available, the CPython team
 has compiled Windows installers (MSI packages) with every `release
-<https://www.python.org/download/releases/>`_ for many years.
+<https://www.python.org/download/releases/>`_ for many years. These installers
+are primarily intended to add a system-wide installation of Python, with the
+core interpreter and library being shared by all application. Non-shared
+layouts of the Python interpreter may also be created with the same installer,
+however, the released installer is not intended for embedding in other
+installers.
+
+Installation Steps
+------------------
+
+Four Python 3.5 installers are available for download - two each for the 32-bit
+and 64-bit versions of the interpreter. The *web installer* is a small initial
+download, and it will automatically download the required components as
+necessary. The *offline installer* includes the components necessary for a
+default installation and only requires an internet connection for optional
+features. See :ref:`install-layout-option` for other ways to avoid downloading
+during installation.
+
+After starting the installer, one of three options may be selected:
+
+.. image:: win_installer.png
+
+If you select "Install for All Users":
+
+* You may be required to provide administrative credentials or approval
+* Python will be installed into your Program Files directory
+* The :ref:`launcher` will be installed into your Windows directory
+* The standard library, test suite, launcher and pip will be installed
+* After installation, the standard library will be pre-compiled to bytecode
+* If selected, the install directory will be added to :envvar:`PATH`
+
+If you select "Install Just for Me":
+
+* You will *not* need to be an administrator
+* Python will be installed into your user directory
+* The :ref:`launcher` will *also* be installed into your user directory
+* The standard library, test suite, launcher and pip will be installed
+* If selected, the install directory will be added to :envvar:`PATH`
+
+Selecting "Customize installation" will allow you to select the features to
+install, the installation location and other options or post-install actions.
+To install debugging symbols or binaries, you will need to use this option.
+
+.. _install-quiet-option:
+
+Installing Without UI
+---------------------
+
+All of the options available in the installer UI can also be specified from the
+command line, allowing scripted installers to replicate an installation on many
+machines without user interaction.  These options may also be set without
+suppressing the UI in order to change some of the defaults.
+
+To completely hide the installer UI and install Python silently, pass the
+``/quiet`` (``/q``) option. To skip past the user interaction but still display
+progress and errors, pass the ``/passive`` (``/p``) option. The ``/uninstall``
+option may be passed to immediately begin removing Python - no prompt will be
+displayed.
+
+All other options are passed as ``name=value``, where the value is usually
+``0`` to disable a feature, ``1`` to enable a feature, or a path. The full list
+of available options is shown below.
+
++---------------------------+--------------------------------------+--------------------------+
+| Name                      | Description                          | Default                  |
++===========================+======================================+==========================+
+| InstallAllUsers           | Perform a system-wide installation.  | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| TargetDir                 | The installation directory           | Selected based on        |
+|                           |                                      | InstallAllUsers          |
++---------------------------+--------------------------------------+--------------------------+
+| DefaultAllUsersTargetDir  | The default installation directory   | :file:`%ProgramFiles%\\\ |
+|                           | for all-user installs                | Python X.Y` or :file:`\  |
+|                           |                                      | %ProgramFiles(x86)%\\\   |
+|                           |                                      | Python X.Y`              |
++---------------------------+--------------------------------------+--------------------------+
+| DefaultJustForMeTargetDir | The default install directory for    | :file:`%LocalAppData%\\\ |
+|                           | just-for-me installs                 | Programs\\PythonXY` or   |
+|                           |                                      | :file:`%LocalAppData%\\\ |
+|                           |                                      | Programs\\PythonXY-32`   |
++---------------------------+--------------------------------------+--------------------------+
+| DefaultCustomTargetDir    | The default custom install directory | (empty)                  |
+|                           | displayed in the UI                  |                          |
++---------------------------+--------------------------------------+--------------------------+
+| AssociateFiles            | Create file associations if the      | 1                        |
+|                           | launcher is also installed.          |                          |
++---------------------------+--------------------------------------+--------------------------+
+| CompileAll                | Compile all ``.py`` files to         | 0                        |
+|                           | ``.pyc``.                            |                          |
++---------------------------+--------------------------------------+--------------------------+
+| PrependPath               | Add install and Scripts directories  | 0                        |
+|                           | tho :envvar:`PATH` and ``.PY`` to    |                          |
+|                           | :envvar:`PATHEXT`                    |                          |
++---------------------------+--------------------------------------+--------------------------+
+| Include_doc               | Install Python manual                | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_debug             | Install debug binaries               | 0                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_dev               | Install developer headers and        | 1                        |
+|                           | libraries                            |                          |
++---------------------------+--------------------------------------+--------------------------+
+| Include_exe               | Install :file:`python.exe` and       | 1                        |
+|                           | related files                        |                          |
++---------------------------+--------------------------------------+--------------------------+
+| Include_launcher          | Install :ref:`launcher`.             | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_lib               | Install standard library and         | 1                        |
+|                           | extension modules                    |                          |
++---------------------------+--------------------------------------+--------------------------+
+| Include_pip               | Install bundled pip and setuptools   | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_symbols           | Install debugging symbols (`*`.pdb)  | 0                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_tcltk             | Install Tcl/Tk support and IDLE      | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_test              | Install standard library test suite  | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| Include_tools             | Install utility scripts              | 1                        |
++---------------------------+--------------------------------------+--------------------------+
+| SimpleInstall             | Disable most install UI              | 0                        |
++---------------------------+--------------------------------------+--------------------------+
+
+For example, to silently install a default, system-wide Python installation,
+you could use the following command (from an elevated command prompt)::
+
+    python-3.5.0.exe /quiet InstallAllUsers=1 PrependPath=1 Include_test=0
+
+To allow users to easily install a personal copy of Python without the test
+suite, you could provide a shortcut with the following command::
+
+    python-3.5.0.exe /passive InstallAllUsers=0 Include_launcher=0 Include_test=0 SimpleInstall=1
+
+(Note that omitting the launcher also omits file associations, and is only
+recommended for per-user installs when there is also a system-wide installation
+that included the launcher.)
+
+.. _install-layout-option:
+
+Installing Without Downloading
+------------------------------
+
+As some features of Python are not included in the initial installer download,
+selecting those features may require an internet connection.  To avoid this
+need, all possible components may be downloaded on-demand to create a complete
+*layout* that will no longer require an internet connection regardless of the
+selected features. Note that this download may be bigger than required, but
+where a large number of installations are going to be performed it is very
+useful to have a locally cached copy.
+
+Execute the following command from Command Prompt to download all possible
+required files.  Remember to substitute ``python-3.5.0.exe`` for the actual
+name of your installer, and to create layouts in their own directories to
+avoid collisions between files with the same name.
+
+::
+
+    python-3.5.0.exe /layout [optional target directory]
+
+You may also specify the ``/quiet`` option to hide the progress display.
+
+
+Other Platforms
+---------------
 
 With ongoing development of Python, some platforms that used to be supported
 earlier are no longer supported (due to the lack of users or developers).
@@ -66,19 +229,31 @@ key features:
 `ActivePython <http://www.activestate.com/activepython/>`_
     Installer with multi-platform compatibility, documentation, PyWin32
 
-`Enthought Python Distribution <https://www.enthought.com/products/epd/>`_
-    Popular modules (such as PyWin32) with their respective documentation, tool
-    suite for building extensible Python applications
+`Anaconda <http://www.continuum.io/downloads/>`_
+    Popular scientific modules (such as numpy, scipy and pandas) and the
+    ``conda`` package manager.
+
+`Canopy <https://www.enthought.com/products/canopy/>`_
+    A "comprehensive Python analysis environment" with editors and other
+    development tools.
 
-Notice that these packages are likely to install *older* versions of Python.
+`WinPython <https://winpython.github.io/>`_
+    Windows-specific distribution with prebuilt scientific packages and
+    tools for building packages.
+
+Note that these packages may not include the latest versions of Python or
+other libraries, and are not maintained or supported by the core Python team.
 
 
 
 Configuring Python
 ==================
 
-In order to run Python flawlessly, you might have to change certain environment
-settings in Windows.
+To run Python conveniently from a command prompt, you might consider changing
+some default environment variables in Windows.  While the installer provides an
+option to configure the PATH and PATHEXT variables for you, this is only
+reliable for a single, system-wide installation.  If you regularly use multiple
+versions of Python, consider using the :ref:`launcher`.
 
 
 .. _setting-envvars:
@@ -86,163 +261,86 @@ settings in Windows.
 Excursus: Setting environment variables
 ---------------------------------------
 
-Windows has a built-in dialog for changing environment variables (following
-guide applies to XP classical view): Right-click the icon for your machine
-(usually located on your Desktop and called "My Computer") and choose
-:menuselection:`Properties` there.  Then, open the :guilabel:`Advanced` tab
-and click the :guilabel:`Environment Variables` button.
+Windows allows environment variables to be configured permanently at both the
+User level and the System level, or temporarily in a command prompt.
+
+To temporarily set environment variables, open Command Prompt and use the
+:command:`set` command::
 
-In short, your path is:
+    C:\>set PATH=C:\Program Files\Python 3.5;%PATH%
+    C:\>set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib
+    C:\>python
 
-    :menuselection:`My Computer
-    --> Properties
-    --> Advanced
-    --> Environment Variables`
+These changes will apply to any further commands executed in that console, and
+will be inherited by any applications started from the console.
 
+Including the variable name within percent signs will expand to the existing
+value, allowing you to add your new value at either the start or the end.
+Modifying :envvar:`PATH` by adding the directory containing
+:program:`python.exe` to the start is a common way to ensure the correct version
+of Python is launched.
+
+To permanently modify the default environment variables, click Start and search
+for 'edit environment variables', or open System properties, :guilabel:`Advanced
+system settings` and click the :guilabel:`Environment Variables` button.
 In this dialog, you can add or modify User and System variables. To change
 System variables, you need non-restricted access to your machine
 (i.e. Administrator rights).
 
-Another way of adding variables to your environment is using the :command:`set`
-command::
-
-    set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib
-
-To make this setting permanent, you could add the corresponding command line to
-your :file:`autoexec.bat`. :program:`msconfig` is a graphical interface to this
-file.
+.. note::
 
-Viewing environment variables can also be done more straight-forward: The
-command prompt will expand strings wrapped into percent signs automatically::
+    Windows will concatenate User variables *after* System variables, which may
+    cause unexpected results when modifying :envvar:`PATH`.
 
-    echo %PATH%
-
-Consult :command:`set /?` for details on this behaviour.
+    The :envvar:`PYTHONPATH` variable is used by all versions of Python 2 and
+    Python 3, so you should not permanently configure this variable unless it
+    only includes code that is compatible all of your installed Python
+    versions.
 
 .. seealso::
 
-   http://support.microsoft.com/kb/100843
+    http://support.microsoft.com/kb/100843
       Environment variables in Windows NT
 
-   http://support.microsoft.com/kb/310519
+    http://technet.microsoft.com/en-us/library/cc754250.aspx
+      The SET command, for temporarily modifying environment variables
+
+    http://technet.microsoft.com/en-us/library/cc755104.aspx
+      The SETX command, for permanently modifying environment variables
+
+    http://support.microsoft.com/kb/310519
       How To Manage Environment Variables in Windows XP
 
-   http://www.chem.gla.ac.uk/~louis/software/faq/q1.html
+    http://www.chem.gla.ac.uk/~louis/software/faq/q1.html
       Setting Environment variables, Louis J. Farrugia
 
-
 .. _windows-path-mod:
 
 Finding the Python executable
 -----------------------------
 
-.. versionchanged:: 3.3
+.. versionchanged:: 3.5
 
 Besides using the automatically created start menu entry for the Python
-interpreter, you might want to start Python in the command prompt. As of
-Python 3.3, the installer has an option to set that up for you.
-
-At the "Customize Python 3.3" screen, an option called
-"Add python.exe to search path" can be enabled to have the installer place
-your installation into the :envvar:`%PATH%`. This allows you to type
-:command:`python` to run the interpreter. Thus, you can also execute your
+interpreter, you might want to start Python in the command prompt. The
+installer for Python 3.5 and later has an option to set that up for you.
+
+On the first page of the installer, an option labelled "Add Python 3.5 to
+PATH" can be selected to have the installer add the install location into the
+:envvar:`PATH`.  The location of the :file:`Scripts\\` folder is also added.
+This allows you to type :command:`python` to run the interpreter, and
+:command:`pip` or . Thus, you can also execute your
 scripts with command line options, see :ref:`using-on-cmdline` documentation.
 
 If you don't enable this option at install time, you can always re-run the
-installer to choose it.
-
-The alternative is manually modifying the :envvar:`%PATH%` using the
-directions in :ref:`setting-envvars`. You need to set your :envvar:`%PATH%`
-environment variable to include the directory of your Python distribution,
-delimited by a semicolon from other entries. An example variable could look
-like this (assuming the first two entries are Windows' default)::
-
-    C:\WINDOWS\system32;C:\WINDOWS;C:\Python33
-
-
-Finding modules
----------------
-
-Python usually stores its library (and thereby your site-packages folder) in the
-installation directory.  So, if you had installed Python to
-:file:`C:\\Python\\`, the default library would reside in
-:file:`C:\\Python\\Lib\\` and third-party modules should be stored in
-:file:`C:\\Python\\Lib\\site-packages\\`.
-
-This is how :data:`sys.path` is populated on Windows:
-
-* An empty entry is added at the start, which corresponds to the current
-  directory.
-
-* If the environment variable :envvar:`PYTHONPATH` exists, as described in
-  :ref:`using-on-envvars`, its entries are added next.  Note that on Windows,
-  paths in this variable must be separated by semicolons, to distinguish them
-  from the colon used in drive identifiers (``C:\`` etc.).
-
-* Additional "application paths" can be added in the registry as subkeys of
-  :samp:`\\SOFTWARE\\Python\\PythonCore\\{version}\\PythonPath` under both the
-  ``HKEY_CURRENT_USER`` and ``HKEY_LOCAL_MACHINE`` hives.  Subkeys which have
-  semicolon-delimited path strings as their default value will cause each path
-  to be added to :data:`sys.path`.  (Note that all known installers only use
-  HKLM, so HKCU is typically empty.)
-
-* If the environment variable :envvar:`PYTHONHOME` is set, it is assumed as
-  "Python Home".  Otherwise, the path of the main Python executable is used to
-  locate a "landmark file" (``Lib\os.py``) to deduce the "Python Home".  If a
-  Python home is found, the relevant sub-directories added to :data:`sys.path`
-  (``Lib``, ``plat-win``, etc) are based on that folder.  Otherwise, the core
-  Python path is constructed from the PythonPath stored in the registry.
-
-* If the Python Home cannot be located, no :envvar:`PYTHONPATH` is specified in
-  the environment, and no registry entries can be found, a default path with
-  relative entries is used (e.g. ``.\Lib;.\plat-win``, etc).
-
-The end result of all this is:
-
-* When running :file:`python.exe`, or any other .exe in the main Python
-  directory (either an installed version, or directly from the PCbuild
-  directory), the core path is deduced, and the core paths in the registry are
-  ignored.  Other "application paths" in the registry are always read.
-
-* When Python is hosted in another .exe (different directory, embedded via COM,
-  etc), the "Python Home" will not be deduced, so the core path from the
-  registry is used.  Other "application paths" in the registry are always read.
-
-* If Python can't find its home and there is no registry (eg, frozen .exe, some
-  very strange installation setup) you get a path with some default, but
-  relative, paths.
-
-
-Executing scripts
------------------
-
-As of Python 3.3, Python includes a launcher which facilitates running Python
-scripts. See :ref:`launcher` for more information.
-
-Executing scripts without the Python launcher
----------------------------------------------
-
-Without the Python launcher installed, Python scripts (files with the extension
-``.py``) will be executed by :program:`python.exe` by default.  This executable
-opens a terminal, which stays open even if the program uses a GUI.  If you do
-not want this to happen, use the extension ``.pyw`` which will cause the script
-to be executed by :program:`pythonw.exe` by default (both executables are
-located in the top-level of your Python installation directory).  This
-suppresses the terminal window on startup.
-
-You can also make all ``.py`` scripts execute with :program:`pythonw.exe`,
-setting this through the usual facilities, for example (might require
-administrative rights):
-
-#. Launch a command prompt.
-#. Associate the correct file group with ``.py`` scripts::
-
-      assoc .py=Python.File
-
-#. Redirect all Python files to the new executable::
-
-      ftype Python.File=C:\Path\to\pythonw.exe "%1" %*
+installer, select Modify, and enable it.  Alternatively, you can manually
+modify the :envvar:`PATH` using the directions in :ref:`setting-envvars`.  You
+need to set your :envvar:`PATH` environment variable to include the directory
+of your Python installation, delimited by a semicolon from other entries.  An
+example variable could look like this (assuming the first two entries already
+existed)::
 
+    C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Python 3.5
 
 .. _launcher:
 
@@ -251,21 +349,26 @@ Python Launcher for Windows
 
 .. versionadded:: 3.3
 
-The Python launcher for Windows is a utility which aids in the location and
-execution of different Python versions.  It allows scripts (or the
+The Python launcher for Windows is a utility which aids in locating and
+executing of different Python versions.  It allows scripts (or the
 command-line) to indicate a preference for a specific Python version, and
 will locate and execute that version.
 
+Unlike the :envvar:`PATH` variable, the launcher will correctly select the most
+appropriate version of Python. It will prefer per-user installations over
+system-wide ones, and orders by language version rather than using the most
+recently installed version.
+
 Getting started
 ---------------
 
 From the command-line
 ^^^^^^^^^^^^^^^^^^^^^
 
-You should ensure the launcher is on your PATH - depending on how it was
-installed it may already be there, but check just in case it is not.
-
-From a command-prompt, execute the following command:
+System-wide installations of Python 3.3 and later will put the launcher on your
+:envvar:`PATH`. The launcher is compatible with all available versions of
+Python, so it does not matter which version is installed. To check that the
+launcher is available, execute the following command in Command Prompt:
 
 ::
 
@@ -291,6 +394,28 @@ If you have a Python 3.x installed, try the command:
 
 You should find the latest version of Python 3.x starts.
 
+If you see the following error, you do not have the launcher installed:
+
+::
+
+  'py' is not recognized as an internal or external command,
+  operable program or batch file.
+
+Per-user installations of Python do not add the launcher to :envvar:`PATH`
+unless the option was selected on installation.
+
+Virtual environments
+^^^^^^^^^^^^^^^^^^^^
+
+.. versionadded:: 3.5
+
+If the launcher is run with no explicit Python version specification, and a
+virtual environment (created with the standard library :mod:`venv` module or
+the external ``virtualenv`` tool) active, the launcher will run the virtual
+environment's interpreter rather than the global one.  To run the global
+interpreter, either deactivate the virtual environment, or explicitly specify
+the global Python version.
+
 From a script
 ^^^^^^^^^^^^^
 
@@ -326,7 +451,7 @@ From file associations
 ^^^^^^^^^^^^^^^^^^^^^^
 
 The launcher should have been associated with Python files (i.e. ``.py``,
-``.pyw``, ``.pyc``, ``.pyo`` files) when it was installed.  This means that
+``.pyw``, ``.pyc`` files) when it was installed.  This means that
 when you double-click on one of these files from Windows explorer the launcher
 will be used, and therefore you can use the same facilities described above to
 have the script specify the version which should be used.
@@ -365,6 +490,16 @@ be used by the launcher without modification.  If you are writing a new script
 on Windows which you hope will be useful on Unix, you should use one of the
 shebang lines starting with ``/usr``.
 
+Any of the above virtual commands can be suffixed with an explicit version
+(either just the major version, or the major and minor version) - for example
+``/usr/bin/python2.7`` - which will cause that specific version to be located
+and used.
+
+The ``/usr/bin/env`` form of shebang line has one further special property.
+Before looking for installed Python interpreters, this form will search the
+executable :envvar:`PATH` for a Python executable. This corresponds to the
+behaviour of the Unix ``env`` program, which performs a :envvar:`PATH` search.
+
 Arguments in shebang lines
 --------------------------
 
@@ -383,17 +518,16 @@ Customization
 Customization via INI files
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-    Two .ini files will be searched by the launcher - ``py.ini`` in the
-    current user's "application data" directory (i.e. the directory returned
-    by calling the Windows function SHGetFolderPath with CSIDL_LOCAL_APPDATA)
-    and ``py.ini`` in the same directory as the launcher.  The same .ini
-    files are used for both the 'console' version of the launcher (i.e.
-    py.exe) and for the 'windows' version (i.e. pyw.exe)
+Two .ini files will be searched by the launcher - ``py.ini`` in the current
+user's "application data" directory (i.e. the directory returned by calling the
+Windows function SHGetFolderPath with CSIDL_LOCAL_APPDATA) and ``py.ini`` in the
+same directory as the launcher. The same .ini files are used for both the
+'console' version of the launcher (i.e. py.exe) and for the 'windows' version
+(i.e. pyw.exe)
 
-    Customization specified in the "application directory" will have
-    precedence over the one next to the executable, so a user, who may not
-    have write access to the .ini file next to the launcher, can override
-    commands in that global .ini file)
+Customization specified in the "application directory" will have precedence over
+the one next to the executable, so a user, who may not have write access to the
+.ini file next to the launcher, can override commands in that global .ini file)
 
 Customizing default Python versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -488,6 +622,78 @@ particular version was chosen and the exact command-line used to execute the
 target Python.
 
 
+
+Finding modules
+===============
+
+Python usually stores its library (and thereby your site-packages folder) in the
+installation directory.  So, if you had installed Python to
+:file:`C:\\Python\\`, the default library would reside in
+:file:`C:\\Python\\Lib\\` and third-party modules should be stored in
+:file:`C:\\Python\\Lib\\site-packages\\`.
+
+This is how :data:`sys.path` is populated on Windows:
+
+* An empty entry is added at the start, which corresponds to the current
+  directory.
+
+* If the environment variable :envvar:`PYTHONPATH` exists, as described in
+  :ref:`using-on-envvars`, its entries are added next.  Note that on Windows,
+  paths in this variable must be separated by semicolons, to distinguish them
+  from the colon used in drive identifiers (``C:\`` etc.).
+
+* Additional "application paths" can be added in the registry as subkeys of
+  :samp:`\\SOFTWARE\\Python\\PythonCore\\{version}\\PythonPath` under both the
+  ``HKEY_CURRENT_USER`` and ``HKEY_LOCAL_MACHINE`` hives.  Subkeys which have
+  semicolon-delimited path strings as their default value will cause each path
+  to be added to :data:`sys.path`.  (Note that all known installers only use
+  HKLM, so HKCU is typically empty.)
+
+* If the environment variable :envvar:`PYTHONHOME` is set, it is assumed as
+  "Python Home".  Otherwise, the path of the main Python executable is used to
+  locate a "landmark file" (``Lib\os.py``) to deduce the "Python Home".  If a
+  Python home is found, the relevant sub-directories added to :data:`sys.path`
+  (``Lib``, ``plat-win``, etc) are based on that folder.  Otherwise, the core
+  Python path is constructed from the PythonPath stored in the registry.
+
+* If the Python Home cannot be located, no :envvar:`PYTHONPATH` is specified in
+  the environment, and no registry entries can be found, a default path with
+  relative entries is used (e.g. ``.\Lib;.\plat-win``, etc).
+
+The end result of all this is:
+
+* When running :file:`python.exe`, or any other .exe in the main Python
+  directory (either an installed version, or directly from the PCbuild
+  directory), the core path is deduced, and the core paths in the registry are
+  ignored.  Other "application paths" in the registry are always read.
+
+* When Python is hosted in another .exe (different directory, embedded via COM,
+  etc), the "Python Home" will not be deduced, so the core path from the
+  registry is used.  Other "application paths" in the registry are always read.
+
+* If Python can't find its home and there is no registry (eg, frozen .exe, some
+  very strange installation setup) you get a path with some default, but
+  relative, paths.
+
+For those who want to bundle Python into their application or distribution, the
+following advice will prevent conflicts with other installations:
+
+* If you are loading :file:`python3.dll` or :file:`python35.dll` in your own
+  executable, explicitly call :c:func:`Py_SetPath` or (at least)
+  :c:func:`Py_SetProgramName` before :c:func:`Py_Initialize`.
+
+* Clear and/or overwrite :envvar:`PYTHONPATH` and set :envvar:`PYTHONHOME`
+  before launching :file:`python.exe` from your application.
+
+* If you cannot use the previous suggestions (for example, you are a
+  distribution that allows people to run :file:`python.exe` directly), ensure
+  that the landmark file (:file:`Lib\\os.py`) exists in your bundled library.
+  (Note that it will not be detected inside a ZIP file.)
+
+These will ensure that the files in a system-wide installation will not take
+precedence over the copy of the standard library bundled with your application.
+Otherwise, your users may experience problems using your application.
+
 Additional modules
 ==================
 
@@ -498,7 +704,6 @@ and external, and snippets exist to use these features.
 The Windows-specific standard modules are documented in
 :ref:`mswin-specific-services`.
 
-
 PyWin32
 -------
 
@@ -557,20 +762,8 @@ latest release's source or just grab a fresh `checkout
 <https://docs.python.org/devguide/setup.html#getting-the-source-code>`_.
 
 The source tree contains a build solution and project files for Microsoft
-Visual C++, which is the compiler used to build the official Python releases.
-View the :file:`readme.txt` in their respective directories:
-
-+--------------------+--------------+-----------------------+
-| Directory          | MSVC version | Visual Studio version |
-+====================+==============+=======================+
-| :file:`PC/VS9.0/`  | 9.0          | 2008                  |
-+--------------------+--------------+-----------------------+
-| :file:`PCbuild/`   | 10.0         | 2010                  |
-+--------------------+--------------+-----------------------+
-
-Note that any build directories within the :file:`PC` directory are not
-necessarily fully supported.  The :file:`PCbuild` directory contains the files
-for the compiler used to build the official release.
+Visual Studio 2015, which is the compiler used to build the official Python
+releases. These files are in the :file:`PCbuild` directory.
 
 Check :file:`PCbuild/readme.txt` for general information on the build process.
 
@@ -603,5 +796,3 @@ Other resources
 
    :pep:`397` - Python launcher for Windows
       The proposal for the launcher to be included in the Python distribution.
-
-
diff --git a/Doc/whatsnew/2.1.rst b/Doc/whatsnew/2.1.rst
index 5058bf1..ff15662 100644
--- a/Doc/whatsnew/2.1.rst
+++ b/Doc/whatsnew/2.1.rst
@@ -219,7 +219,7 @@ comparison.  I won't cover the C API here, but will refer you to PEP 207, or to
 
 .. seealso::
 
-   :pep:`207` - Rich Comparisions
+   :pep:`207` - Rich Comparisons
       Written by Guido van Rossum, heavily based on earlier work by David Ascher, and
       implemented by Guido van Rossum.
 
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 1fdb365..1d4ce72 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1579,7 +1579,7 @@ os
   avoid race conditions in multi-threaded programs.
 
 * The :mod:`os` module has a new :func:`~os.sendfile` function which provides
-  an efficent "zero-copy" way for copying data from one file (or socket)
+  an efficient "zero-copy" way for copying data from one file (or socket)
   descriptor to another. The phrase "zero-copy" refers to the fact that all of
   the copying of data between the two descriptors is done entirely by the
   kernel, with no copying of data into userspace buffers. :func:`~os.sendfile`
@@ -1908,7 +1908,7 @@ socketserver
 :meth:`~socketserver.BaseServer.service_actions` that is called by the
 :meth:`~socketserver.BaseServer.serve_forever` method in the service loop.
 :class:`~socketserver.ForkingMixIn` now uses this to clean up zombie
-child proceses.  (Contributed by Justin Warkentin in :issue:`11109`.)
+child processes.  (Contributed by Justin Warkentin in :issue:`11109`.)
 
 
 sqlite3
@@ -2360,7 +2360,7 @@ Porting Python code
   bytecode file, make sure to call :func:`importlib.invalidate_caches` to clear
   out the cache for the finders to notice the new file.
 
-* :exc:`ImportError` now uses the full name of the module that was attemped to
+* :exc:`ImportError` now uses the full name of the module that was attempted to
   be imported. Doctests that check ImportErrors' message will need to be
   updated to use the full name of the module instead of just the tail of the
   name.
diff --git a/Doc/whatsnew/3.5.rst b/Doc/whatsnew/3.5.rst
new file mode 100644
index 0000000..f364317
--- /dev/null
+++ b/Doc/whatsnew/3.5.rst
@@ -0,0 +1,854 @@
+****************************
+  What's New In Python 3.5
+****************************
+
+:Release: |release|
+:Date: |today|
+
+.. Rules for maintenance:
+
+   * Anyone can add text to this document.  Do not spend very much time
+   on the wording of your changes, because your text will probably
+   get rewritten to some degree.
+
+   * The maintainer will go through Misc/NEWS periodically and add
+   changes; it's therefore more important to add your changes to
+   Misc/NEWS than to this file.
+
+   * This is not a complete list of every single change; completeness
+   is the purpose of Misc/NEWS.  Some changes I consider too small
+   or esoteric to include.  If such a change is added to the text,
+   I'll just remove it.  (This is another reason you shouldn't spend
+   too much time on writing your addition.)
+
+   * If you want to draw your new text to the attention of the
+   maintainer, add 'XXX' to the beginning of the paragraph or
+   section.
+
+   * It's OK to just add a fragmentary note about a change.  For
+   example: "XXX Describe the transmogrify() function added to the
+   socket module."  The maintainer will research the change and
+   write the necessary text.
+
+   * You can comment out your additions if you like, but it's not
+   necessary (especially when a final release is some months away).
+
+   * Credit the author of a patch or bugfix.   Just the name is
+   sufficient; the e-mail address isn't necessary.
+
+   * It's helpful to add the bug/patch number as a comment:
+
+   XXX Describe the transmogrify() function added to the socket
+   module.
+   (Contributed by P.Y. Developer in :issue:`12345`.)
+
+   This saves the maintainer the effort of going through the Mercurial log
+   when researching a change.
+
+This article explains the new features in Python 3.5, compared to 3.4.
+
+For full details, see the :source:`Misc/NEWS` file.
+
+.. note::
+
+   Prerelease users should be aware that this document is currently in draft
+   form. It will be updated substantially as Python 3.5 moves towards release,
+   so it's worth checking back even after reading earlier versions.
+
+
+.. seealso::
+
+    :pep:`478` - Python 3.5 Release Schedule
+
+
+Summary -- Release highlights
+=============================
+
+.. This section singles out the most important changes in Python 3.5.
+   Brevity is key.
+
+New syntax features:
+
+*  :pep:`465`, a new matrix multiplication operator: ``a @ b``.
+
+New library modules:
+
+* :mod:`zipapp`: :ref:`Improving Python ZIP Application Support
+  <whatsnew-zipapp>` (:pep:`441`).
+
+New built-in features:
+
+* ``bytes % args``, ``bytearray % args``: :pep:`461` - Adding ``%`` formatting
+  to bytes and bytearray
+
+Implementation improvements:
+
+* When the ``LC_TYPE`` locale is the POSIX locale (``C`` locale),
+  :py:data:`sys.stdin` and :py:data:`sys.stdout` are now using the
+  ``surrogateescape`` error handler, instead of the ``strict`` error handler
+  (:issue:`19977`).
+
+* :pep:`488`, the elimination of ``.pyo`` files.
+
+Significantly Improved Library Modules:
+
+* None yet.
+
+Security improvements:
+
+* None yet.
+
+Please read on for a comprehensive list of user-facing changes.
+
+
+.. PEP-sized items next.
+
+.. _pep-4XX:
+
+.. PEP 4XX: Virtual Environments
+.. =============================
+
+
+.. (Implemented by Foo Bar.)
+
+.. .. seealso::
+
+    :pep:`4XX` - Python Virtual Environments
+       PEP written by Carl Meyer
+
+
+PEP 461 - Adding % formatting to bytes and bytearray
+----------------------------------------------------
+
+This PEP proposes adding % formatting operations similar to Python 2's ``str``
+type to :class:`bytes` and :class:`bytearray`.
+
+Examples::
+
+    >>> b'Hello %s!' % b'World'
+    b'Hello World!'
+    >>> b'x=%i y=%f' % (1, 2.5)
+    b'x=1 y=2.500000'
+
+Unicode is not allowed for ``%s``, but it is accepted by ``%a`` (equivalent of
+``repr(obj).encode('ascii', 'backslashreplace')``)::
+
+    >>> b'Hello %s!' % 'World'
+    Traceback (most recent call last):
+      File "<stdin>", line 1, in <module>
+    TypeError: %b requires bytes, or an object that implements __bytes__, not 'str'
+    >>> b'price: %a' % '10€'
+    b"price: '10\\u20ac'"
+
+.. seealso::
+
+   :pep:`461` -- Adding % formatting to bytes and bytearray
+
+
+PEP 465 - A dedicated infix operator for matrix multiplication
+--------------------------------------------------------------
+
+This PEP proposes a new binary operator to be used for matrix multiplication,
+called ``@``. (Mnemonic: ``@`` is ``*`` for mATrices.)
+
+.. seealso::
+
+   :pep:`465` -- A dedicated infix operator for matrix multiplication
+
+
+PEP 471 - os.scandir() function -- a better and faster directory iterator
+-------------------------------------------------------------------------
+
+:pep:`471` adds a new directory iteration function, :func:`os.scandir`,
+to the standard library. Additionally, :func:`os.walk` is now
+implemented using :func:`os.scandir`, which speeds it up by 3-5 times
+on POSIX systems and by 7-20 times on Windows systems.
+
+PEP and implementation written by Ben Hoyt with the help of Victor Stinner.
+
+.. seealso::
+
+   :pep:`471` -- os.scandir() function -- a better and faster directory
+   iterator
+
+
+PEP 475: Retry system calls failing with EINTR
+----------------------------------------------
+
+:pep:`475` adds support for automatic retry of system calls failing with
+:py:data:`~errno.EINTR`: this means that user code doesn't have to deal with
+EINTR or :exc:`InterruptedError` manually, and should make it more robust
+against asynchronous signal reception.
+
+.. seealso::
+
+   :pep:`475` -- Retry system calls failing with EINTR
+
+
+PEP 486: Make the Python Launcher aware of virtual environments
+---------------------------------------------------------------
+
+:pep:`486` makes the Windows launcher (see :pep:`397`) aware of an active
+virtual environment. When the default interpreter would be used and the
+``VIRTUAL_ENV`` environment variable is set, the interpreter in the virtual
+environment will be used.
+
+.. seealso::
+
+    :pep:`486` -- Make the Python Launcher aware of virtual environments
+
+
+PEP 488: Elimination of PYO files
+---------------------------------
+
+:pep:`488` does away with the concept of ``.pyo`` files. This means that
+``.pyc`` files represent both unoptimized and optimized bytecode. To prevent
+the need to constantly regenerate bytecode files, ``.pyc`` files now have an
+optional ``opt-`` tag in their name when the bytecode is optimized. This has
+the side-effect of no more bytecode file name clashes when running under either
+``-O`` or ``-OO``, thus allowing unoptimized, ``-O``, and ``-OO`` bytecode files
+to all exist simultaneously. :func:`importlib.util.cache_from_source` has an
+updated API to help with this change.
+
+.. seealso::
+
+   :pep:`488` -- Elimination of PYO files
+
+
+Other Language Changes
+======================
+
+Some smaller changes made to the core Python language are:
+
+* Added the ``'namereplace'`` error handlers.  The ``'backslashreplace'``
+  error handlers now works with decoding and translating.
+  (Contributed by Serhiy Storchaka in :issue:`19676` and :issue:`22286`.)
+
+* The :option:`-b` option now affects comparisons of :class:`bytes` with
+  :class:`int`.  (Contributed by Serhiy Storchaka in :issue:`23681`)
+
+
+New Modules
+===========
+
+.. _whatsnew-zipapp:
+
+zipapp
+------
+
+The new :mod:`zipapp` module (specified in :pep:`441`) provides an API and
+command line tool for creating executable Python Zip Applications, which
+were introduced in Python 2.6 in :issue:`1739468` but which were not well
+publicised, either at the time or since.
+
+With the new module, bundling your application is as simple as putting all
+the files, including a ``__main__.py`` file, into a directory ``myapp``
+and running::
+
+    $ python -m zipapp myapp
+    $ python myapp.pyz
+
+
+Improved Modules
+================
+
+argparse
+--------
+
+* :class:`~argparse.ArgumentParser` now allows to disable
+  :ref:`abbreviated usage <prefix-matching>` of long options by setting
+  :ref:`allow_abbrev` to ``False``.
+  (Contributed by Jonathan Paugh, Steven Bethard, paul j3 and Daniel Eriksson.)
+
+cgi
+---
+
+* :class:`~cgi.FieldStorage` now supports the context management protocol.
+  (Contributed by Berker Peksag in :issue:`20289`.)
+
+code
+----
+
+* The :func:`code.InteractiveInterpreter.showtraceback` method now prints
+  the full chained traceback, just like the interactive interpreter.
+  (Contributed by Claudiu Popa in :issue:`17442`.)
+
+compileall
+----------
+
+* :func:`compileall.compile_dir` and :mod:`compileall`'s command-line interface
+  can now do parallel bytecode compilation.
+  (Contributed by Claudiu Popa in :issue:`16104`.)
+
+contextlib
+----------
+
+* The new :func:`contextlib.redirect_stderr` context manager(similar to
+  :func:`contextlib.redirect_stdout`) makes it easier for utility scripts to
+  handle inflexible APIs that write their output to :data:`sys.stderr` and
+  don't provide any options to redirect it.
+  (Contributed by Berker Peksag in :issue:`22389`.)
+
+curses
+------
+* The new :func:`curses.update_lines_cols` function updates the variables
+  :envvar:`curses.LINES` and :envvar:`curses.COLS`.
+
+difflib
+-------
+
+* The charset of the HTML document generated by :meth:`difflib.HtmlDiff.make_file`
+  can now be customized by using *charset* keyword-only parameter.  The default
+  charset of HTML document changed from ``'ISO-8859-1'`` to ``'utf-8'``.
+  (Contributed by Berker Peksag in :issue:`2052`.)
+
+* It's now possible to compare lists of byte strings with
+  :func:`difflib.diff_bytes` (fixes a regression from Python 2).
+
+distutils
+---------
+
+* The ``build`` and ``build_ext`` commands now accept a ``-j``
+  option to enable parallel building of extension modules.
+  (Contributed by Antoine Pitrou in :issue:`5309`.)
+
+doctest
+-------
+
+* :func:`doctest.DocTestSuite` returns an empty :class:`unittest.TestSuite` if
+  *module* contains no docstrings instead of raising :exc:`ValueError`.
+  (Contributed by Glenn Jones in :issue:`15916`.)
+
+glob
+----
+
+* :func:`~glob.iglob` and :func:`~glob.glob` now support recursive search in
+  subdirectories using the "``**``" pattern.
+  (Contributed by Serhiy Storchaka in :issue:`13968`.)
+
+imaplib
+-------
+
+* :class:`IMAP4` now supports the context management protocol.  When used in a
+  :keyword:`with` statement, the IMAP4 ``LOGOUT`` command will be called
+  automatically at the end of the block.  (Contributed by Tarek Ziadé and
+  Serhiy Storchaka in :issue:`4972`.)
+
+imghdr
+------
+
+* :func:`~imghdr.what` now recognizes the `OpenEXR <http://www.openexr.com>`_
+  format.  (Contributed by Martin Vignali and Claudiu Popa in :issue:`20295`.)
+
+importlib
+---------
+
+* :class:`importlib.util.LazyLoader` allows for the lazy loading of modules in
+  applications where startup time is paramount.
+  (Contributed by Brett Cannon in :issue:`17621`.)
+
+* :func:`importlib.abc.InspectLoader.source_to_code` is now a
+  static method to make it easier to work with source code in a string.
+  With a module object that you want to initialize you can then use
+  ``exec(code, module.__dict__)`` to execute the code in the module.
+
+* :func:`importlib.util.module_from_spec` is now the preferred way to create a
+  new module. Compared to :class:`types.ModuleType`, this new function will set
+  the various import-controlled attributes based on the passed-in spec object.
+
+inspect
+-------
+
+* :class:`inspect.Signature` and :class:`inspect.Parameter` are now
+  picklable and hashable.  (Contributed by Yury Selivanov in :issue:`20726`
+  and :issue:`20334`.)
+
+* New class method :meth:`inspect.Signature.from_callable`, which makes
+  subclassing of :class:`~inspect.Signature` easier.  (Contributed
+  by Yury Selivanov and Eric Snow in :issue:`17373`.)
+
+ipaddress
+---------
+
+* :class:`ipaddress.IPv4Network` and :class:`ipaddress.IPv6Network` now
+  accept an ``(address, netmask)`` tuple argument, so as to easily construct
+  network objects from existing addresses.  (Contributed by Peter Moody
+  and Antoine Pitrou in :issue:`16531`.)
+
+json
+----
+
+* The output of :mod:`json.tool` command line interface is now in the same
+  order as the input. Use the :option:`--sort-keys` option to sort the output
+  of dictionaries alphabetically by key.  (Contributed by Berker Peksag in
+  :issue:`21650`.)
+
+* JSON decoder now raises :exc:`json.JSONDecodeError` instead of
+  :exc:`ValueError`.   (Contributed by Serhiy Storchaka in :issue:`19361`.)
+
+os
+--
+
+* New :func:`os.scandir` function that exposes file information from
+  the operating system when listing a directory. :func:`os.scandir`
+  returns an iterator of :class:`os.DirEntry` objects corresponding to
+  the entries in the directory given by *path*. (Contributed by Ben
+  Hoyt with the help of Victor Stinner in :issue:`22524`.)
+
+* :class:`os.stat_result` now has a :attr:`~os.stat_result.st_file_attributes`
+  attribute on Windows.  (Contributed by Ben Hoyt in :issue:`21719`.)
+
+os.path
+-------
+
+* New :func:`~os.path.commonpath` function that extracts common path prefix.
+  Unlike the :func:`~os.path.commonprefix` function, it always returns a valid
+  patch.  (Contributed by Rafik Draoui and Serhiy Storchaka in :issue:`10395`.)
+
+pickle
+------
+
+* Serializing more "lookupable" objects (such as unbound methods or nested
+  classes) now are supported with pickle protocols < 4.
+  (Contributed by Serhiy Storchaka in :issue:`23611`.)
+
+re
+--
+
+* Number of capturing groups in regular expression is no longer limited by 100.
+  (Contributed by Serhiy Storchaka in :issue:`22437`.)
+
+* Now unmatched groups are replaced with empty strings in :func:`re.sub`
+  and :func:`re.subn`.  (Contributed by Serhiy Storchaka in :issue:`1519638`.)
+
+math
+----
+
+* :data:`math.inf` and :data:`math.nan` constants added.  (Contributed by Mark
+  Dickinson in :issue:`23185`.)
+
+shutil
+------
+
+* :func:`~shutil.move` now accepts a *copy_function* argument, allowing,
+  for example, :func:`~shutil.copy` to be used instead of the default
+  :func:`~shutil.copy2` if there is a need to ignore metadata.  (Contributed by
+  Claudiu Popa in :issue:`19840`.)
+
+signal
+------
+
+* On Windows, :func:`signal.set_wakeup_fd` now also supports socket handles.
+  (Contributed by Victor Stinner in :issue:`22018`.)
+
+* Different constants of :mod:`signal` module are now enumeration values using
+  the :mod:`enum` module. This allows meaningful names to be printed during
+  debugging, instead of integer “magic numbers”.  (Contributed by Giampaolo
+  Rodola' in :issue:`21076`.)
+
+smtpd
+-----
+
+* Both :class:`~smtpd.SMTPServer` and :class:`smtpd.SMTPChannel` now accept a
+  *decode_data* keyword to determine if the DATA portion of the SMTP
+  transaction is decoded using the ``utf-8`` codec or is instead provided to
+  :meth:`~smtpd.SMTPServer.process_message` as a byte string.  The default
+  is ``True`` for backward compatibility reasons, but will change to ``False``
+  in Python 3.6.  (Contributed by Maciej Szulik in :issue:`19662`.)
+
+* It is now possible to provide, directly or via name resolution, IPv6
+  addresses in the :class:`~smtpd.SMTPServer` constructor, and have it
+  successfully connect.  (Contributed by Milan Oberkirch in :issue:`14758`.)
+
+* :mod:`~smtpd.SMTPServer` now supports :rfc:`6531` via the *enable_SMTPUTF8*
+  constructor argument and a user-provided
+  :meth:`~smtpd.SMTPServer.process_smtputf8_message` method.
+
+smtplib
+-------
+
+* A new :meth:`~smtplib.SMTP.auth` method provides a convenient way to
+  implement custom authentication mechanisms.
+  (Contributed by Milan Oberkirch in :issue:`15014`.)
+
+* Additional debuglevel (2) shows timestamps for debug messages in
+  :class:`smtplib.SMTP`.  (Contributed by Gavin Chappell and Maciej Szulik in
+  :issue:`16914`.)
+
+sndhdr
+------
+
+* :func:`~sndhdr.what` and :func:`~sndhdr.whathdr` now return
+  :func:`~collections.namedtuple`.
+  (Contributed by Claudiu Popa in :issue:`18615`.)
+
+socket
+------
+
+* New :meth:`socket.socket.sendfile` method allows to send a file over a socket
+  by using high-performance :func:`os.sendfile` function on UNIX resulting in
+  uploads being from 2x to 3x faster than when using plain
+  :meth:`socket.socket.send`.
+  (Contributed by Giampaolo Rodola' in :issue:`17552`.)
+
+subprocess
+----------
+
+* The new :func:`subprocess.run` function runs subprocesses and returns a
+  :class:`subprocess.CompletedProcess` object.  It Provides a more consistent
+  API than :func:`~subprocess.call`, :func:`~subprocess.check_call` and
+  :func:`~subprocess.check_output`.
+
+sysconfig
+---------
+
+* The user scripts directory on Windows is now versioned.
+  (Contributed by Paul Moore in :issue:`23437`.)
+
+tarfile
+-------
+
+* The :func:`tarfile.open` function now supports ``'x'`` (exclusive creation)
+  mode.  (Contributed by Berker Peksag in :issue:`21717`.)
+
+* The :meth:`~tarfile.TarFile.extractall` and :meth:`~tarfile.TarFile.extract`
+  methods now take a keyword parameter *numeric_only*. If set to ``True``,
+  the extracted files and directories will be owned by the numeric uid and gid
+  from the tarfile. If set to ``False`` (the default, and the behavior in
+  versions prior to 3.5), they will be owned bythe named user and group in the
+  tarfile.  (Contributed by Michael Vogt and Eric Smith in :issue:`23193`.)
+
+time
+----
+
+* The :func:`time.monotonic` function is now always available.  (Contributed by
+  Victor Stinner in :issue:`22043`.)
+
+urllib
+------
+
+* A new :class:`~urllib.request.HTTPPasswordMgrWithPriorAuth` allows HTTP Basic
+  Authentication credentials to be managed so as to eliminate unnecessary
+  ``401`` response handling, or to unconditionally send credentials
+  on the first request in order to communicate with servers that return a
+  ``404`` response instead of a ``401`` if the ``Authorization`` header is not
+  sent.  (Contributed by Matej Cepl in :issue:`19494` and Akshit Khurana in
+  :issue:`7159`.)
+
+wsgiref
+-------
+
+* *headers* parameter of :class:`wsgiref.headers.Headers` is now optional.
+  (Contributed by Pablo Torres Navarrete and SilentGhost in :issue:`5800`.)
+
+xmlrpc
+------
+
+* :class:`xmlrpc.client.ServerProxy` is now a :term:`context manager`.
+  (Contributed by Claudiu Popa in :issue:`20627`.)
+
+xml.sax
+-------
+
+* SAX parsers now support a character stream of
+  :class:`~xml.sax.xmlreader.InputSource` object.
+  (Contributed by Serhiy Storchaka in :issue:`2175`.)
+
+faulthandler
+------------
+
+* :func:`~faulthandler.enable`, :func:`~faulthandler.register`,
+  :func:`~faulthandler.dump_traceback` and
+  :func:`~faulthandler.dump_traceback_later` functions now accept file
+  descriptors.  (Contributed by Wei Wu in :issue:`23566`.)
+
+zipfile
+-------
+
+* Added support for writing ZIP files to unseekable streams.
+  (Contributed by Serhiy Storchaka in :issue:`23252`.)
+
+* The :func:`zipfile.ZipFile.open` function now supports ``'x'`` (exclusive
+  creation) mode.  (Contributed by Serhiy Storchaka in :issue:`21717`.)
+
+
+Optimizations
+=============
+
+The following performance enhancements have been added:
+
+* :func:`os.walk` has been sped up by 3-5x on POSIX systems and 7-20x
+  on Windows. This was done using the new :func:`os.scandir` function,
+  which exposes file information from the underlying ``readdir`` and
+  ``FindFirstFile``/``FindNextFile`` system calls. (Contributed by
+  Ben Hoyt with help from Victor Stinner in :issue:`23605`.)
+
+* Construction of ``bytes(int)`` (filled by zero bytes) is faster and uses less
+  memory for large objects. ``calloc()`` is used instead of ``malloc()`` to
+  allocate memory for these objects.
+
+* Some operations on :class:`~ipaddress.IPv4Network` and
+  :class:`~ipaddress.IPv6Network` have been massively sped up, such as
+  :meth:`~ipaddress.IPv4Network.subnets`, :meth:`~ipaddress.IPv4Network.supernet`,
+  :func:`~ipaddress.summarize_address_range`, :func:`~ipaddress.collapse_addresses`.
+  The speed up can range from 3x to 15x.
+  (:issue:`21486`, :issue:`21487`, :issue:`20826`)
+
+* Many operations on :class:`io.BytesIO` are now 50% to 100% faster.
+  (Contributed by Serhiy Storchaka in :issue:`15381` and David Wilson in
+  :issue:`22003`.)
+
+* :func:`marshal.dumps` is now faster (65%-85% with versions 3--4, 20-25% with
+  versions 0--2 on typical data, and up to 5x in best cases).
+  (Contributed by Serhiy Storchaka in :issue:`20416` and :issue:`23344`.)
+
+
+Build and C API Changes
+=======================
+
+Changes to Python's build process and to the C API include:
+
+* New ``calloc`` functions:
+
+  * :c:func:`PyMem_RawCalloc`
+  * :c:func:`PyMem_Calloc`
+  * :c:func:`PyObject_Calloc`
+  * :c:func:`_PyObject_GC_Calloc`
+
+
+Deprecated
+==========
+
+Unsupported Operating Systems
+-----------------------------
+
+* Windows XP - Per :PEP:`11`, Microsoft support of Windows XP has ended.
+
+
+Deprecated Python modules, functions and methods
+------------------------------------------------
+
+* The :mod:`formatter` module has now graduated to full deprecation and is still
+  slated for removal in Python 3.6.
+
+* :mod:`smtpd` has in the past always decoded the DATA portion of email
+  messages using the ``utf-8`` codec.  This can now be controlled by the new
+  *decode_data* keyword to :class:`~smtpd.SMTPServer`.  The default value is
+  ``True``, but this default is deprecated.  Specify the *decode_data* keyword
+  with an appropriate value to avoid the deprecation warning.
+
+* Directly assigning values to the :attr:`~http.cookies.Morsel.key`,
+  :attr:`~http.cookies.Morsel.value` and
+  :attr:`~http.cookies.Morsel.coded_value` of :class:`~http.cookies.Morsel`
+  objects is deprecated.  Use the :func:`~http.cookies.Morsel.set` method
+  instead.  In addition, the undocumented *LegalChars* parameter of
+  :func:`~http.cookies.Morsel.set` is deprecated, and is now ignored.
+
+* Passing a format string as keyword argument *format_string* to the
+  :meth:`~string.Formatter.format` method of the :class:`string.Formatter`
+  class has been deprecated.
+
+
+Deprecated functions and types of the C API
+-------------------------------------------
+
+* None yet.
+
+
+Deprecated features
+-------------------
+
+* None yet.
+
+
+Removed
+=======
+
+API and Feature Removals
+------------------------
+
+The following obsolete and previously deprecated APIs and features have been
+removed:
+
+* The ``__version__`` attribute has been dropped from the email package.  The
+  email code hasn't been shipped separately from the stdlib for a long time,
+  and the ``__version__`` string was not updated in the last few releases.
+
+* The internal ``Netrc`` class in the :mod:`ftplib` module was deprecated in
+  3.4, and has now been removed.
+  (Contributed by Matt Chaput in :issue:`6623`.)
+
+* The concept of ``.pyo`` files has been removed.
+
+* The JoinableQueue class in the provisional asyncio module was deprecated
+  in 3.4.4 and is now removed (:issue:`23464`).
+
+
+Porting to Python 3.5
+=====================
+
+This section lists previously described changes and other bugfixes
+that may require changes to your code.
+
+Changes in the Python API
+-------------------------
+
+* :pep:`475`: Examples of functions which are now retried when interrupted
+  instead of raising :exc:`InterruptedError` if the signal handler does not
+  raise an exception:
+
+  - :func:`open`, :func:`os.open`, :func:`io.open`
+  - functions of the :mod:`faulthandler` module
+  - :mod:`os` functions:
+
+    * :func:`os.fchdir`
+    * :func:`os.fchmod`
+    * :func:`os.fchown`
+    * :func:`os.fdatasync`
+    * :func:`os.fstat`
+    * :func:`os.fstatvfs`
+    * :func:`os.fsync`
+    * :func:`os.ftruncate`
+    * :func:`os.mkfifo`
+    * :func:`os.mknod`
+    * :func:`os.posix_fadvise`
+    * :func:`os.posix_fallocate`
+    * :func:`os.pread`
+    * :func:`os.pwrite`
+    * :func:`os.read`
+    * :func:`os.readv`
+    * :func:`os.sendfile`
+    * :func:`os.wait3`
+    * :func:`os.wait4`
+    * :func:`os.wait`
+    * :func:`os.waitid`
+    * :func:`os.waitpid`
+    * :func:`os.write`
+    * :func:`os.writev`
+    * special cases: :func:`os.close` and :func:`os.dup2` now ignore
+      :py:data:`~errno.EINTR` error, the syscall is not retried (see the PEP
+      for the rationale)
+
+  - :func:`select.select`, :func:`select.poll.poll`, :func:`select.epoll.poll`,
+    :func:`select.kqueue.control`, :func:`select.devpoll.poll`
+  - :func:`socket.socket` methods:
+
+    * :meth:`~socket.socket.accept`
+    * :meth:`~socket.socket.connect` (except for non-blocking sockets)
+    * :meth:`~socket.socket.recv`
+    * :meth:`~socket.socket.recvfrom`
+    * :meth:`~socket.socket.recvmsg`
+    * :meth:`~socket.socket.send`
+    * :meth:`~socket.socket.sendall`
+    * :meth:`~socket.socket.sendmsg`
+    * :meth:`~socket.socket.sendto`
+
+  - :func:`signal.sigtimedwait`, :func:`signal.sigwaitinfo`
+  - :func:`time.sleep`
+
+* Before Python 3.5, a :class:`datetime.time` object was considered to be false
+  if it represented midnight in UTC.  This behavior was considered obscure and
+  error-prone and has been removed in Python 3.5.  See :issue:`13936` for full
+  details.
+
+* :meth:`ssl.SSLSocket.send()` now raises either :exc:`ssl.SSLWantReadError`
+  or :exc:`ssl.SSLWantWriteError` on a non-blocking socket if the operation
+  would block. Previously, it would return 0.  See :issue:`20951`.
+
+* The ``__name__`` attribute of generator is now set from the function name,
+  instead of being set from the code name. Use ``gen.gi_code.co_name`` to
+  retrieve the code name. Generators also have a new ``__qualname__``
+  attribute, the qualified name, which is now used for the representation
+  of a generator (``repr(gen)``). See :issue:`21205`.
+
+* The deprecated "strict" mode and argument of :class:`~html.parser.HTMLParser`,
+  :meth:`HTMLParser.error`, and the :exc:`HTMLParserError` exception have been
+  removed.  (Contributed by Ezio Melotti in :issue:`15114`.)
+  The *convert_charrefs* argument of :class:`~html.parser.HTMLParser` is
+  now ``True`` by default.  (Contributed by Berker Peksag in :issue:`21047`.)
+
+* Although it is not formally part of the API, it is worth noting for porting
+  purposes (ie: fixing tests) that error messages that were previously of the
+  form "'sometype' does not support the buffer protocol" are now of the form "a
+  bytes-like object is required, not 'sometype'".  (Contributed by Ezio Melotti
+  in :issue:`16518`.)
+
+* If the current directory is set to a directory that no longer exists then
+  :exc:`FileNotFoundError` will no longer be raised and instead
+  :meth:`~importlib.machinery.FileFinder.find_spec` will return ``None``
+  **without** caching ``None`` in :data:`sys.path_importer_cache` which is
+  different than the typical case (:issue:`22834`).
+
+* HTTP status code and messages from :mod:`http.client` and :mod:`http.server`
+  were refactored into a common :class:`~http.HTTPStatus` enum.  The values in
+  :mod:`http.client` and :mod:`http.server` remain available for backwards
+  compatibility.  (Contributed by Demian Brecht in :issue:`21793`.)
+
+* When an import loader defines :meth:`~importlib.machinery.Loader.exec_module`
+  it is now expected to also define
+  :meth:`~importlib.machinery.Loader.create_module` (raises a
+  :exc:`DeprecationWarning` now, will be an error in Python 3.6). If the loader
+  inherits from :class:`importlib.abc.Loader` then there is nothing to do, else
+  simply define :meth:`~importlib.machinery.Loader.create_module` to return
+  ``None`` (:issue:`23014`).
+
+* :func:`re.split` always ignored empty pattern matches, so the ``'x*'``
+  pattern worked the same as ``'x+'``, and the ``'\b'`` pattern never worked.
+  Now :func:`re.split` raises a warning if the pattern could match
+  an empty string.  For compatibility use patterns that never match an empty
+  string (e.g. ``'x+'`` instead of ``'x*'``).  Patterns that could only match
+  an empty string (such as ``'\b'``) now raise an error.
+
+* The :class:`~http.cookies.Morsel` dict-like interface has been made self
+  consistent:  morsel comparison now takes the :attr:`~http.cookies.Morsel.key`
+  and :attr:`~http.cookies.Morsel.value` into account,
+  :meth:`~http.cookies.Morsel.copy` now results in a
+  :class:`~http.cookies.Morsel` instance rather than a :class:`dict`, and
+  :meth:`~http.cookies.Morsel.update` will now raise an exception if any of the
+  keys in the update dictionary are invalid.  In addition, the undocumented
+  *LegalChars* parameter of :func:`~http.cookies.Morsel.set` is deprecated and
+  is now ignored.  (:issue:`2211`)
+
+* :pep:`488` has removed ``.pyo`` files from Python and introduced the optional
+  ``opt-`` tag in ``.pyc`` file names. The
+  :func:`importlib.util.cache_from_source` has gained an *optimization*
+  parameter to help control the ``opt-`` tag. Because of this, the
+  *debug_override* parameter of the function is now deprecated. `.pyo` files
+  are also no longer supported as a file argument to the Python interpreter and
+  thus serve no purpose when distributed on their own (i.e. sourcless code
+  distribution). Due to the fact that the magic number for bytecode has changed
+  in Python 3.5, all old `.pyo` files from previous versions of Python are
+  invalid regardless of this PEP.
+
+ * The :mod:`socket` module now exports the CAN_RAW_FD_FRAMES constant on linux
+   3.6 and greater.
+
+* The `pygettext.py` Tool now uses the standard +NNNN format for timezones in
+  the POT-Creation-Date header.
+
+* The :mod:`smtplib` module now uses :data:`sys.stderr` instead of previous
+  module level :data:`stderr` variable for debug output.  If your (test)
+  program depends on patching the module level variable to capture the debug
+  output, you will need to update it to capture sys.stderr instead.
+
+
+Changes in the C API
+--------------------
+
+* The undocumented :c:member:`~PyMemoryViewObject.format` member of the
+  (non-public) :c:type:`PyMemoryViewObject` structure has been removed.
+
+  All extensions relying on the relevant parts in ``memoryobject.h``
+  must be rebuilt.
+
+* The :c:type:`PyMemAllocator` structure was renamed to
+  :c:type:`PyMemAllocatorEx` and a new ``calloc`` field was added.
+
+* Removed non-documented macro :c:macro:`PyObject_REPR` which leaked references.
+  Use format character ``%R`` in :c:func:`PyUnicode_FromFormat`-like functions
+  to format the :func:`repr` of the object.
+
+* Because the lack of the :attr:`__module__` attribute breaks pickling and
+  introspection, a deprecation warning now is raised for builtin type without
+  the :attr:`__module__` attribute.  Would be an AttributeError in future.
+  (:issue:`20204`)
diff --git a/Doc/whatsnew/index.rst b/Doc/whatsnew/index.rst
index 29902e4..edb5502 100644
--- a/Doc/whatsnew/index.rst
+++ b/Doc/whatsnew/index.rst
@@ -11,6 +11,7 @@ anyone wishing to stay up-to-date after a new release.
 .. toctree::
    :maxdepth: 2
 
+   3.5.rst
    3.4.rst
    3.3.rst
    3.2.rst
diff --git a/Grammar/Grammar b/Grammar/Grammar
index d7aaffd..94898d3 100644
--- a/Grammar/Grammar
+++ b/Grammar/Grammar
@@ -40,7 +40,7 @@ small_stmt: (expr_stmt | del_stmt | pass_stmt | flow_stmt |
 expr_stmt: testlist_star_expr (augassign (yield_expr|testlist) |
                      ('=' (yield_expr|testlist_star_expr))*)
 testlist_star_expr: (test|star_expr) (',' (test|star_expr))* [',']
-augassign: ('+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' |
+augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
             '<<=' | '>>=' | '**=' | '//=')
 # For normal assignments, additional restrictions enforced by the interpreter
 del_stmt: 'del' exprlist
@@ -89,7 +89,7 @@ and_test: not_test ('and' not_test)*
 not_test: 'not' not_test | comparison
 comparison: expr (comp_op expr)*
 # <> isn't actually a valid comparison operator in Python. It's here for the
-# sake of a __future__ import described in PEP 401
+# sake of a __future__ import described in PEP 401 (which really works :-)
 comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
 star_expr: '*' expr
 expr: xor_expr ('|' xor_expr)*
@@ -97,7 +97,7 @@ xor_expr: and_expr ('^' and_expr)*
 and_expr: shift_expr ('&' shift_expr)*
 shift_expr: arith_expr (('<<'|'>>') arith_expr)*
 arith_expr: term (('+'|'-') term)*
-term: factor (('*'|'/'|'%'|'//') factor)*
+term: factor (('*'|'@'|'/'|'%'|'//') factor)*
 factor: ('+'|'-'|'~') factor | power
 power: atom trailer* ['**' factor]
 atom: ('(' [yield_expr|testlist_comp] ')' |
@@ -117,7 +117,7 @@ dictorsetmaker: ( (test ':' test (comp_for | (',' test ':' test)* [','])) |
 classdef: 'class' NAME ['(' [arglist] ')'] ':' suite
 
 arglist: (argument ',')* (argument [',']
-                         |'*' test (',' argument)* [',' '**' test] 
+                         |'*' test (',' argument)* [',' '**' test]
                          |'**' test)
 # The reason that keywords are test nodes instead of NAME is that using NAME
 # results in an ambiguity. ast.c makes sure it's a NAME.
diff --git a/Include/Python-ast.h b/Include/Python-ast.h
index 67d677b..37e9a60 100644
--- a/Include/Python-ast.h
+++ b/Include/Python-ast.h
@@ -15,9 +15,9 @@ typedef struct _slice *slice_ty;
 
 typedef enum _boolop { And=1, Or=2 } boolop_ty;
 
-typedef enum _operator { Add=1, Sub=2, Mult=3, Div=4, Mod=5, Pow=6, LShift=7,
-                         RShift=8, BitOr=9, BitXor=10, BitAnd=11, FloorDiv=12 }
-                         operator_ty;
+typedef enum _operator { Add=1, Sub=2, Mult=3, MatMult=4, Div=5, Mod=6, Pow=7,
+                         LShift=8, RShift=9, BitOr=10, BitXor=11, BitAnd=12,
+                         FloorDiv=13 } operator_ty;
 
 typedef enum _unaryop { Invert=1, Not=2, UAdd=3, USub=4 } unaryop_ty;
 
diff --git a/Include/Python.h b/Include/Python.h
index 2dd8290..46d2ece 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -112,6 +112,7 @@
 #include "pyarena.h"
 #include "modsupport.h"
 #include "pythonrun.h"
+#include "pylifecycle.h"
 #include "ceval.h"
 #include "sysmodule.h"
 #include "intrcheck.h"
diff --git a/Include/abstract.h b/Include/abstract.h
index 6e850b8..83dbf94 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -266,6 +266,12 @@ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
      PyAPI_FUNC(PyObject *) PyObject_Call(PyObject *callable_object,
                                           PyObject *args, PyObject *kw);
 
+#ifndef Py_LIMITED_API
+     PyAPI_FUNC(PyObject *) _Py_CheckFunctionResult(PyObject *func,
+                                                    PyObject *result,
+                                                    const char *where);
+#endif
+
        /*
      Call a callable Python object, callable_object, with
      arguments and keywords arguments.  The 'args' argument can not be
@@ -658,6 +664,12 @@ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
      o1*o2.
        */
 
+     PyAPI_FUNC(PyObject *) PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2);
+
+       /*
+     This is the equivalent of the Python expression: o1 @ o2.
+       */
+
      PyAPI_FUNC(PyObject *) PyNumber_FloorDivide(PyObject *o1, PyObject *o2);
 
        /*
@@ -832,6 +844,12 @@ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
      o1 *= o2.
        */
 
+     PyAPI_FUNC(PyObject *) PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2);
+
+       /*
+     This is the equivalent of the Python expression: o1 @= o2.
+       */
+
      PyAPI_FUNC(PyObject *) PyNumber_InPlaceFloorDivide(PyObject *o1,
                                                         PyObject *o2);
 
diff --git a/Include/bytes_methods.h b/Include/bytes_methods.h
index 1498b8f..11d5f42 100644
--- a/Include/bytes_methods.h
+++ b/Include/bytes_methods.h
@@ -21,8 +21,8 @@ extern void _Py_bytes_title(char *result, char *s, Py_ssize_t len);
 extern void _Py_bytes_capitalize(char *result, char *s, Py_ssize_t len);
 extern void _Py_bytes_swapcase(char *result, char *s, Py_ssize_t len);
 
-/* This one gets the raw argument list. */
-extern PyObject* _Py_bytes_maketrans(PyObject *args);
+/* The maketrans() static method. */
+extern PyObject* _Py_bytes_maketrans(Py_buffer *frm, Py_buffer *to);
 
 /* Shared __doc__ strings. */
 extern const char _Py_isspace__doc__[];
diff --git a/Include/bytesobject.h b/Include/bytesobject.h
index 0ee8d36..e379bac 100644
--- a/Include/bytesobject.h
+++ b/Include/bytesobject.h
@@ -62,6 +62,7 @@ PyAPI_FUNC(void) PyBytes_Concat(PyObject **, PyObject *);
 PyAPI_FUNC(void) PyBytes_ConcatAndDel(PyObject **, PyObject *);
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(int) _PyBytes_Resize(PyObject **, Py_ssize_t);
+PyAPI_FUNC(PyObject *) _PyBytes_Format(PyObject *, PyObject *);
 #endif
 PyAPI_FUNC(PyObject *) PyBytes_DecodeEscape(const char *, Py_ssize_t,
 						   const char *, Py_ssize_t,
diff --git a/Include/code.h b/Include/code.h
index 7c7e5bf..ff2b97e 100644
--- a/Include/code.h
+++ b/Include/code.h
@@ -21,7 +21,12 @@ typedef struct {
     PyObject *co_varnames;	/* tuple of strings (local variable names) */
     PyObject *co_freevars;	/* tuple of strings (free variable names) */
     PyObject *co_cellvars;      /* tuple of strings (cell variable names) */
-    /* The rest doesn't count for hash or comparisons */
+    /* The rest aren't used in either hash or comparisons, except for
+       co_name (used in both) and co_firstlineno (used only in
+       comparisons).  This is done to preserve the name and line number
+       for tracebacks and debuggers; otherwise, constant de-duplication
+       would collapse identical functions/lambdas defined on different lines.
+    */
     unsigned char *co_cell2arg; /* Maps cell vars which are arguments. */
     PyObject *co_filename;	/* unicode (where it was loaded from) */
     PyObject *co_name;		/* unicode (name, for reference) */
diff --git a/Include/codecs.h b/Include/codecs.h
index b3088e4..9e4f305 100644
--- a/Include/codecs.h
+++ b/Include/codecs.h
@@ -71,7 +71,7 @@ PyAPI_FUNC(int) PyCodec_KnownEncoding(
    object is passed through the encoder function found for the given
    encoding using the error handling method defined by errors. errors
    may be NULL to use the default method defined for the codec.
-   
+
    Raises a LookupError in case no encoder can be found.
 
  */
@@ -87,7 +87,7 @@ PyAPI_FUNC(PyObject *) PyCodec_Encode(
    object is passed through the decoder function found for the given
    encoding using the error handling method defined by errors. errors
    may be NULL to use the default method defined for the codec.
-   
+
    Raises a LookupError in case no encoder can be found.
 
  */
@@ -145,7 +145,7 @@ PyAPI_FUNC(PyObject *) _PyCodecInfo_GetIncrementalEncoder(
 
 
 
-/* --- Codec Lookup APIs -------------------------------------------------- 
+/* --- Codec Lookup APIs --------------------------------------------------
 
    All APIs return a codec object with incremented refcount and are
    based on _PyCodec_Lookup().  The same comments w/r to the encoding
@@ -225,6 +225,9 @@ PyAPI_FUNC(PyObject *) PyCodec_XMLCharRefReplaceErrors(PyObject *exc);
 /* replace the unicode encode error with backslash escapes (\x, \u and \U) */
 PyAPI_FUNC(PyObject *) PyCodec_BackslashReplaceErrors(PyObject *exc);
 
+/* replace the unicode encode error with backslash escapes (\N, \x, \u and \U) */
+PyAPI_FUNC(PyObject *) PyCodec_NameReplaceErrors(PyObject *exc);
+
 PyAPI_DATA(const char *) Py_hexdigits;
 
 #ifdef __cplusplus
diff --git a/Include/complexobject.h b/Include/complexobject.h
index 1934f3b..cb8c52c 100644
--- a/Include/complexobject.h
+++ b/Include/complexobject.h
@@ -14,21 +14,13 @@ typedef struct {
 
 /* Operations on complex numbers from complexmodule.c */
 
-#define c_sum _Py_c_sum
-#define c_diff _Py_c_diff
-#define c_neg _Py_c_neg
-#define c_prod _Py_c_prod
-#define c_quot _Py_c_quot
-#define c_pow _Py_c_pow
-#define c_abs _Py_c_abs
-
-PyAPI_FUNC(Py_complex) c_sum(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) c_diff(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) c_neg(Py_complex);
-PyAPI_FUNC(Py_complex) c_prod(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) c_quot(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) c_pow(Py_complex, Py_complex);
-PyAPI_FUNC(double) c_abs(Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_sum(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_diff(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_neg(Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_prod(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_quot(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_pow(Py_complex, Py_complex);
+PyAPI_FUNC(double) _Py_c_abs(Py_complex);
 #endif
 
 /* Complex object interface */
diff --git a/Include/dictobject.h b/Include/dictobject.h
index ef122bd..09dff59 100644
--- a/Include/dictobject.h
+++ b/Include/dictobject.h
@@ -50,6 +50,10 @@ PyAPI_DATA(PyTypeObject) PyDictValues_Type;
 
 PyAPI_FUNC(PyObject *) PyDict_New(void);
 PyAPI_FUNC(PyObject *) PyDict_GetItem(PyObject *mp, PyObject *key);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject *) _PyDict_GetItem_KnownHash(PyObject *mp, PyObject *key,
+                                       Py_hash_t hash);
+#endif
 PyAPI_FUNC(PyObject *) PyDict_GetItemWithError(PyObject *mp, PyObject *key);
 PyAPI_FUNC(PyObject *) _PyDict_GetItemIdWithError(PyObject *dp,
                                                   struct _Py_Identifier *key);
@@ -58,6 +62,10 @@ PyAPI_FUNC(PyObject *) PyDict_SetDefault(
     PyObject *mp, PyObject *key, PyObject *defaultobj);
 #endif
 PyAPI_FUNC(int) PyDict_SetItem(PyObject *mp, PyObject *key, PyObject *item);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(int) _PyDict_SetItem_KnownHash(PyObject *mp, PyObject *key,
+                                          PyObject *item, Py_hash_t hash);
+#endif
 PyAPI_FUNC(int) PyDict_DelItem(PyObject *mp, PyObject *key);
 PyAPI_FUNC(void) PyDict_Clear(PyObject *mp);
 PyAPI_FUNC(int) PyDict_Next(
diff --git a/Include/fileobject.h b/Include/fileobject.h
index 0939744..03155d3 100644
--- a/Include/fileobject.h
+++ b/Include/fileobject.h
@@ -32,17 +32,6 @@ PyAPI_DATA(int) Py_HasFileSystemDefaultEncoding;
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) PyFile_NewStdPrinter(int);
 PyAPI_DATA(PyTypeObject) PyStdPrinter_Type;
-
-#if defined _MSC_VER && _MSC_VER >= 1400
-/* A routine to check if a file descriptor is valid on Windows.  Returns 0
- * and sets errno to EBADF if it isn't.  This is to avoid Assertions
- * from various functions in the Windows CRT beginning with
- * Visual Studio 2005
- */
-int _PyVerify_fd(int fd);
-#else
-#define _PyVerify_fd(A) (1) /* dummy */
-#endif
 #endif /* Py_LIMITED_API */
 
 /* A routine to check if a file descriptor can be select()-ed. */
diff --git a/Include/fileutils.h b/Include/fileutils.h
index e9bad80..b4a683c 100644
--- a/Include/fileutils.h
+++ b/Include/fileutils.h
@@ -7,30 +7,59 @@ extern "C" {
 
 PyAPI_FUNC(PyObject *) _Py_device_encoding(int);
 
-PyAPI_FUNC(wchar_t *) _Py_char2wchar(
+PyAPI_FUNC(wchar_t *) Py_DecodeLocale(
     const char *arg,
     size_t *size);
 
-PyAPI_FUNC(char*) _Py_wchar2char(
+PyAPI_FUNC(char*) Py_EncodeLocale(
     const wchar_t *text,
     size_t *error_pos);
 
-#if defined(HAVE_STAT) && !defined(MS_WINDOWS)
-PyAPI_FUNC(int) _Py_wstat(
-    const wchar_t* path,
-    struct stat *buf);
+#ifndef Py_LIMITED_API
+
+#ifdef MS_WINDOWS
+struct _Py_stat_struct {
+    unsigned long st_dev;
+    __int64 st_ino;
+    unsigned short st_mode;
+    int st_nlink;
+    int st_uid;
+    int st_gid;
+    unsigned long st_rdev;
+    __int64 st_size;
+    time_t st_atime;
+    int st_atime_nsec;
+    time_t st_mtime;
+    int st_mtime_nsec;
+    time_t st_ctime;
+    int st_ctime_nsec;
+    unsigned long st_file_attributes;
+};
+#else
+#  define _Py_stat_struct stat
 #endif
 
-#ifdef HAVE_STAT
+PyAPI_FUNC(int) _Py_fstat(
+    int fd,
+    struct _Py_stat_struct *status);
+
+PyAPI_FUNC(int) _Py_fstat_noraise(
+    int fd,
+    struct _Py_stat_struct *status);
+#endif   /* Py_LIMITED_API */
+
 PyAPI_FUNC(int) _Py_stat(
     PyObject *path,
-    struct stat *statbuf);
-#endif
+    struct stat *status);
 
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(int) _Py_open(
     const char *pathname,
     int flags);
+
+PyAPI_FUNC(int) _Py_open_noraise(
+    const char *pathname,
+    int flags);
 #endif
 
 PyAPI_FUNC(FILE *) _Py_wfopen(
@@ -45,6 +74,21 @@ PyAPI_FUNC(FILE*) _Py_fopen_obj(
     PyObject *path,
     const char *mode);
 
+PyAPI_FUNC(Py_ssize_t) _Py_read(
+    int fd,
+    void *buf,
+    size_t count);
+
+PyAPI_FUNC(Py_ssize_t) _Py_write(
+    int fd,
+    const void *buf,
+    size_t count);
+
+PyAPI_FUNC(Py_ssize_t) _Py_write_noraise(
+    int fd,
+    const void *buf,
+    size_t count);
+
 #ifdef HAVE_READLINK
 PyAPI_FUNC(int) _Py_wreadlink(
     const wchar_t *path,
@@ -70,8 +114,27 @@ PyAPI_FUNC(int) _Py_set_inheritable(int fd, int inheritable,
                                     int *atomic_flag_works);
 
 PyAPI_FUNC(int) _Py_dup(int fd);
+
+#ifndef MS_WINDOWS
+PyAPI_FUNC(int) _Py_get_blocking(int fd);
+
+PyAPI_FUNC(int) _Py_set_blocking(int fd, int blocking);
+#endif   /* !MS_WINDOWS */
+
+#if defined _MSC_VER && _MSC_VER >= 1400 && _MSC_VER < 1900
+/* A routine to check if a file descriptor is valid on Windows.  Returns 0
+ * and sets errno to EBADF if it isn't.  This is to avoid Assertions
+ * from various functions in the Windows CRT beginning with
+ * Visual Studio 2005
+ */
+int _PyVerify_fd(int fd);
+
+#else
+#define _PyVerify_fd(A) (1) /* dummy */
 #endif
 
+#endif   /* Py_LIMITED_API */
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/Include/genobject.h b/Include/genobject.h
index 65f1ecf..23571e6 100644
--- a/Include/genobject.h
+++ b/Include/genobject.h
@@ -25,6 +25,12 @@ typedef struct {
 
     /* List of weak reference. */
     PyObject *gi_weakreflist;
+
+    /* Name of the generator. */
+    PyObject *gi_name;
+
+    /* Qualified name of the generator. */
+    PyObject *gi_qualname;
 } PyGenObject;
 
 PyAPI_DATA(PyTypeObject) PyGen_Type;
@@ -33,6 +39,8 @@ PyAPI_DATA(PyTypeObject) PyGen_Type;
 #define PyGen_CheckExact(op) (Py_TYPE(op) == &PyGen_Type)
 
 PyAPI_FUNC(PyObject *) PyGen_New(struct _frame *);
+PyAPI_FUNC(PyObject *) PyGen_NewWithQualName(struct _frame *,
+    PyObject *name, PyObject *qualname);
 PyAPI_FUNC(int) PyGen_NeedsFinalizing(PyGenObject *);
 PyAPI_FUNC(int) _PyGen_FetchStopIterationValue(PyObject **);
 PyObject *_PyGen_Send(PyGenObject *, PyObject *);
diff --git a/Include/grammar.h b/Include/grammar.h
index ba7d19d..85120b9 100644
--- a/Include/grammar.h
+++ b/Include/grammar.h
@@ -37,7 +37,7 @@ typedef struct {
 typedef struct {
     int		 s_narcs;
     arc		*s_arc;		/* Array of arcs */
-	
+
     /* Optional accelerators */
     int		 s_lower;	/* Lowest label index */
     int		 s_upper;	/* Highest label index */
diff --git a/Include/memoryobject.h b/Include/memoryobject.h
index 382ca92..ab5ee09 100644
--- a/Include/memoryobject.h
+++ b/Include/memoryobject.h
@@ -45,9 +45,6 @@ typedef struct {
 } _PyManagedBufferObject;
 
 
-/* deprecated, removed in 3.5 */
-#define _Py_MEMORYVIEW_MAX_FORMAT 3 /* must be >= 3 */
-
 /* memoryview state flags */
 #define _Py_MEMORYVIEW_RELEASED    0x001  /* access to master buffer blocked */
 #define _Py_MEMORYVIEW_C           0x002  /* C-contiguous layout */
@@ -62,7 +59,6 @@ typedef struct {
     int flags;                    /* state flags */
     Py_ssize_t exports;           /* number of buffer re-exports */
     Py_buffer view;               /* private copy of the exporter's view */
-    char format[_Py_MEMORYVIEW_MAX_FORMAT]; /* deprecated, removed in 3.5 */
     PyObject *weakreflist;
     Py_ssize_t ob_array[1];       /* shape, strides, suboffsets */
 } PyMemoryViewObject;
diff --git a/Include/methodobject.h b/Include/methodobject.h
index 3cc2ea9..e2ad804 100644
--- a/Include/methodobject.h
+++ b/Include/methodobject.h
@@ -47,7 +47,7 @@ struct PyMethodDef {
 typedef struct PyMethodDef PyMethodDef;
 
 #define PyCFunction_New(ML, SELF) PyCFunction_NewEx((ML), (SELF), NULL)
-PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *, 
+PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *,
                                          PyObject *);
 
 /* Flag passed to newmethodobject */
@@ -66,7 +66,7 @@ PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *,
 
 /* METH_COEXIST allows a method to be entered even though a slot has
    already filled the entry.  When defined, the flag allows a separate
-   method, "__contains__" for example, to coexist with a defined 
+   method, "__contains__" for example, to coexist with a defined
    slot like sq_contains. */
 
 #define METH_COEXIST   0x0040
@@ -77,6 +77,7 @@ typedef struct {
     PyMethodDef *m_ml; /* Description of the C function to call */
     PyObject    *m_self; /* Passed as 'self' arg to the C func, can be NULL */
     PyObject    *m_module; /* The __module__ attribute, can be anything */
+    PyObject    *m_weakreflist; /* List of weak references */
 } PyCFunctionObject;
 #endif
 
diff --git a/Include/node.h b/Include/node.h
index 2e4e2ba..654ad85 100644
--- a/Include/node.h
+++ b/Include/node.h
@@ -26,7 +26,7 @@ PyAPI_FUNC(Py_ssize_t) _PyNode_SizeOf(node *n);
 
 /* Node access functions */
 #define NCH(n)		((n)->n_nchildren)
-	
+
 #define CHILD(n, i)	(&(n)->n_child[i])
 #define RCHILD(n, i)	(CHILD(n, NCH(n) + i))
 #define TYPE(n)		((n)->n_type)
diff --git a/Include/object.h b/Include/object.h
index 5f862ab..5716f66 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -65,6 +65,7 @@ whose size is determined when the object is allocated.
 #error Py_LIMITED_API is incompatible with Py_DEBUG, Py_TRACE_REFS, and Py_REF_DEBUG
 #endif
 
+
 #ifdef Py_TRACE_REFS
 /* Define pointers to support a doubly-linked list of all live heap objects. */
 #define _PyObject_HEAD_EXTRA            \
@@ -275,6 +276,9 @@ typedef struct {
     binaryfunc nb_inplace_true_divide;
 
     unaryfunc nb_index;
+
+    binaryfunc nb_matrix_multiply;
+    binaryfunc nb_inplace_matrix_multiply;
 } PyNumberMethods;
 
 typedef struct {
@@ -572,13 +576,6 @@ PyAPI_FUNC(PyObject *) PyObject_Dir(PyObject *);
 PyAPI_FUNC(int) Py_ReprEnter(PyObject *);
 PyAPI_FUNC(void) Py_ReprLeave(PyObject *);
 
-#ifndef Py_LIMITED_API
-/* Helper for passing objects to printf and the like.
-   Leaks refcounts.  Don't use it!
-*/
-#define PyObject_REPR(obj) PyUnicode_AsUTF8(PyObject_Repr(obj))
-#endif
-
 /* Flag bits for printing: */
 #define Py_PRINT_RAW    1       /* No string quotes etc. */
 
@@ -714,11 +711,17 @@ PyAPI_FUNC(Py_ssize_t) _Py_GetRefTotal(void);
                 _Py_NegativeRefcount(__FILE__, __LINE__,        \
                                      (PyObject *)(OP));         \
 }
+/* Py_REF_DEBUG also controls the display of refcounts and memory block
+ * allocations at the interactive prompt and at interpreter shutdown
+ */
+PyAPI_FUNC(void) _PyDebug_PrintTotalRefs(void);
+#define _PY_DEBUG_PRINT_TOTAL_REFS() _PyDebug_PrintTotalRefs()
 #else
 #define _Py_INC_REFTOTAL
 #define _Py_DEC_REFTOTAL
 #define _Py_REF_DEBUG_COMMA
 #define _Py_CHECK_REFCNT(OP)    /* a semicolon */;
+#define _PY_DEBUG_PRINT_TOTAL_REFS()
 #endif /* Py_REF_DEBUG */
 
 #ifdef COUNT_ALLOCS
diff --git a/Include/objimpl.h b/Include/objimpl.h
index 3f21b70..65b6d91 100644
--- a/Include/objimpl.h
+++ b/Include/objimpl.h
@@ -95,6 +95,7 @@ PyObject_{New, NewVar, Del}.
    the raw memory.
 */
 PyAPI_FUNC(void *) PyObject_Malloc(size_t size);
+PyAPI_FUNC(void *) PyObject_Calloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyObject_Realloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyObject_Free(void *ptr);
 
@@ -321,7 +322,8 @@ extern PyGC_Head *_PyGC_generation0;
         (!PyTuple_CheckExact(obj) || _PyObject_GC_IS_TRACKED(obj)))
 #endif /* Py_LIMITED_API */
 
-PyAPI_FUNC(PyObject *) _PyObject_GC_Malloc(size_t);
+PyAPI_FUNC(PyObject *) _PyObject_GC_Malloc(size_t size);
+PyAPI_FUNC(PyObject *) _PyObject_GC_Calloc(size_t size);
 PyAPI_FUNC(PyObject *) _PyObject_GC_New(PyTypeObject *);
 PyAPI_FUNC(PyVarObject *) _PyObject_GC_NewVar(PyTypeObject *, Py_ssize_t);
 PyAPI_FUNC(void) PyObject_GC_Track(void *);
diff --git a/Include/opcode.h b/Include/opcode.h
index 0936f2d..0638b54 100644
--- a/Include/opcode.h
+++ b/Include/opcode.h
@@ -1,3 +1,4 @@
+/* Auto-generated by Tools/scripts/generate_opcode_h.py */
 #ifndef Py_OPCODE_H
 #define Py_OPCODE_H
 #ifdef __cplusplus
@@ -5,141 +6,111 @@ extern "C" {
 #endif
 
 
-/* Instruction opcodes for compiled code */
-
-#define POP_TOP         1
-#define ROT_TWO         2
-#define ROT_THREE       3
-#define DUP_TOP         4
-#define DUP_TOP_TWO     5
-#define NOP             9
-
-#define UNARY_POSITIVE  10
-#define UNARY_NEGATIVE  11
-#define UNARY_NOT       12
-
-#define UNARY_INVERT    15
-
-#define BINARY_POWER    19
-
-#define BINARY_MULTIPLY 20
-
-#define BINARY_MODULO   22
-#define BINARY_ADD      23
-#define BINARY_SUBTRACT 24
-#define BINARY_SUBSCR   25
-#define BINARY_FLOOR_DIVIDE 26
-#define BINARY_TRUE_DIVIDE 27
-#define INPLACE_FLOOR_DIVIDE 28
-#define INPLACE_TRUE_DIVIDE 29
-
-#define STORE_MAP       54
-#define INPLACE_ADD     55
-#define INPLACE_SUBTRACT        56
-#define INPLACE_MULTIPLY        57
-
-#define INPLACE_MODULO  59
-#define STORE_SUBSCR    60
-#define DELETE_SUBSCR   61
-
-#define BINARY_LSHIFT   62
-#define BINARY_RSHIFT   63
-#define BINARY_AND      64
-#define BINARY_XOR      65
-#define BINARY_OR       66
-#define INPLACE_POWER   67
-#define GET_ITER        68
-#define PRINT_EXPR      70
-#define LOAD_BUILD_CLASS 71
-#define YIELD_FROM      72
-
-#define INPLACE_LSHIFT  75
-#define INPLACE_RSHIFT  76
-#define INPLACE_AND     77
-#define INPLACE_XOR     78
-#define INPLACE_OR      79
-#define BREAK_LOOP      80
-#define WITH_CLEANUP    81
-
-#define RETURN_VALUE    83
-#define IMPORT_STAR     84
-
-#define YIELD_VALUE     86
-#define POP_BLOCK       87
-#define END_FINALLY     88
-#define POP_EXCEPT      89
-
-#define HAVE_ARGUMENT   90      /* Opcodes from here have an argument: */
-
-#define STORE_NAME      90      /* Index in name list */
-#define DELETE_NAME     91      /* "" */
-#define UNPACK_SEQUENCE 92      /* Number of sequence items */
-#define FOR_ITER        93
-#define UNPACK_EX       94      /* Num items before variable part +
-                                   (Num items after variable part << 8) */
-
-#define STORE_ATTR      95      /* Index in name list */
-#define DELETE_ATTR     96      /* "" */
-#define STORE_GLOBAL    97      /* "" */
-#define DELETE_GLOBAL   98      /* "" */
-
-#define LOAD_CONST      100     /* Index in const list */
-#define LOAD_NAME       101     /* Index in name list */
-#define BUILD_TUPLE     102     /* Number of tuple items */
-#define BUILD_LIST      103     /* Number of list items */
-#define BUILD_SET       104     /* Number of set items */
-#define BUILD_MAP       105     /* Always zero for now */
-#define LOAD_ATTR       106     /* Index in name list */
-#define COMPARE_OP      107     /* Comparison operator */
-#define IMPORT_NAME     108     /* Index in name list */
-#define IMPORT_FROM     109     /* Index in name list */
-
-#define JUMP_FORWARD    110     /* Number of bytes to skip */
-#define JUMP_IF_FALSE_OR_POP 111        /* Target byte offset from beginning of code */
-#define JUMP_IF_TRUE_OR_POP 112 /* "" */
-#define JUMP_ABSOLUTE   113     /* "" */
-#define POP_JUMP_IF_FALSE 114   /* "" */
-#define POP_JUMP_IF_TRUE 115    /* "" */
-
-#define LOAD_GLOBAL     116     /* Index in name list */
-
-#define CONTINUE_LOOP   119     /* Start of loop (absolute) */
-#define SETUP_LOOP      120     /* Target address (relative) */
-#define SETUP_EXCEPT    121     /* "" */
-#define SETUP_FINALLY   122     /* "" */
-
-#define LOAD_FAST       124     /* Local variable number */
-#define STORE_FAST      125     /* Local variable number */
-#define DELETE_FAST     126     /* Local variable number */
-
-#define RAISE_VARARGS   130     /* Number of raise arguments (1, 2 or 3) */
-/* CALL_FUNCTION_XXX opcodes defined below depend on this definition */
-#define CALL_FUNCTION   131     /* #args + (#kwargs<<8) */
-#define MAKE_FUNCTION   132     /* #defaults + #kwdefaults<<8 + #annotations<<16 */
-#define BUILD_SLICE     133     /* Number of items */
-
-#define MAKE_CLOSURE    134     /* same as MAKE_FUNCTION */
-#define LOAD_CLOSURE    135     /* Load free variable from closure */
-#define LOAD_DEREF      136     /* Load and dereference from closure cell */ 
-#define STORE_DEREF     137     /* Store into cell */ 
-#define DELETE_DEREF    138     /* Delete closure cell */ 
-
-/* The next 3 opcodes must be contiguous and satisfy
-   (CALL_FUNCTION_VAR - CALL_FUNCTION) & 3 == 1  */
-#define CALL_FUNCTION_VAR          140  /* #args + (#kwargs<<8) */
-#define CALL_FUNCTION_KW           141  /* #args + (#kwargs<<8) */
-#define CALL_FUNCTION_VAR_KW       142  /* #args + (#kwargs<<8) */
-
-#define SETUP_WITH 143
-
-/* Support for opargs more than 16 bits long */
-#define EXTENDED_ARG  144
-
-#define LIST_APPEND     145
-#define SET_ADD         146
-#define MAP_ADD         147
-
-#define LOAD_CLASSDEREF   148
+    /* Instruction opcodes for compiled code */
+#define POP_TOP             	1  
+#define ROT_TWO             	2  
+#define ROT_THREE           	3  
+#define DUP_TOP             	4  
+#define DUP_TOP_TWO         	5  
+#define NOP                 	9  
+#define UNARY_POSITIVE      	10 
+#define UNARY_NEGATIVE      	11 
+#define UNARY_NOT           	12 
+#define UNARY_INVERT        	15 
+#define BINARY_MATRIX_MULTIPLY	16 
+#define INPLACE_MATRIX_MULTIPLY	17 
+#define BINARY_POWER        	19 
+#define BINARY_MULTIPLY     	20 
+#define BINARY_MODULO       	22 
+#define BINARY_ADD          	23 
+#define BINARY_SUBTRACT     	24 
+#define BINARY_SUBSCR       	25 
+#define BINARY_FLOOR_DIVIDE 	26 
+#define BINARY_TRUE_DIVIDE  	27 
+#define INPLACE_FLOOR_DIVIDE	28 
+#define INPLACE_TRUE_DIVIDE 	29 
+#define STORE_MAP           	54 
+#define INPLACE_ADD         	55 
+#define INPLACE_SUBTRACT    	56 
+#define INPLACE_MULTIPLY    	57 
+#define INPLACE_MODULO      	59 
+#define STORE_SUBSCR        	60 
+#define DELETE_SUBSCR       	61 
+#define BINARY_LSHIFT       	62 
+#define BINARY_RSHIFT       	63 
+#define BINARY_AND          	64 
+#define BINARY_XOR          	65 
+#define BINARY_OR           	66 
+#define INPLACE_POWER       	67 
+#define GET_ITER            	68 
+#define PRINT_EXPR          	70 
+#define LOAD_BUILD_CLASS    	71 
+#define YIELD_FROM          	72 
+#define INPLACE_LSHIFT      	75 
+#define INPLACE_RSHIFT      	76 
+#define INPLACE_AND         	77 
+#define INPLACE_XOR         	78 
+#define INPLACE_OR          	79 
+#define BREAK_LOOP          	80 
+#define WITH_CLEANUP        	81 
+#define RETURN_VALUE        	83 
+#define IMPORT_STAR         	84 
+#define YIELD_VALUE         	86 
+#define POP_BLOCK           	87 
+#define END_FINALLY         	88 
+#define POP_EXCEPT          	89 
+#define HAVE_ARGUMENT       	90 
+#define STORE_NAME          	90 
+#define DELETE_NAME         	91 
+#define UNPACK_SEQUENCE     	92 
+#define FOR_ITER            	93 
+#define UNPACK_EX           	94 
+#define STORE_ATTR          	95 
+#define DELETE_ATTR         	96 
+#define STORE_GLOBAL        	97 
+#define DELETE_GLOBAL       	98 
+#define LOAD_CONST          	100
+#define LOAD_NAME           	101
+#define BUILD_TUPLE         	102
+#define BUILD_LIST          	103
+#define BUILD_SET           	104
+#define BUILD_MAP           	105
+#define LOAD_ATTR           	106
+#define COMPARE_OP          	107
+#define IMPORT_NAME         	108
+#define IMPORT_FROM         	109
+#define JUMP_FORWARD        	110
+#define JUMP_IF_FALSE_OR_POP	111
+#define JUMP_IF_TRUE_OR_POP 	112
+#define JUMP_ABSOLUTE       	113
+#define POP_JUMP_IF_FALSE   	114
+#define POP_JUMP_IF_TRUE    	115
+#define LOAD_GLOBAL         	116
+#define CONTINUE_LOOP       	119
+#define SETUP_LOOP          	120
+#define SETUP_EXCEPT        	121
+#define SETUP_FINALLY       	122
+#define LOAD_FAST           	124
+#define STORE_FAST          	125
+#define DELETE_FAST         	126
+#define RAISE_VARARGS       	130
+#define CALL_FUNCTION       	131
+#define MAKE_FUNCTION       	132
+#define BUILD_SLICE         	133
+#define MAKE_CLOSURE        	134
+#define LOAD_CLOSURE        	135
+#define LOAD_DEREF          	136
+#define STORE_DEREF         	137
+#define DELETE_DEREF        	138
+#define CALL_FUNCTION_VAR   	140
+#define CALL_FUNCTION_KW    	141
+#define CALL_FUNCTION_VAR_KW	142
+#define SETUP_WITH          	143
+#define EXTENDED_ARG        	144
+#define LIST_APPEND         	145
+#define SET_ADD             	146
+#define MAP_ADD             	147
+#define LOAD_CLASSDEREF     	148
 
 /* EXCEPT_HANDLER is a special, implicit block type which is created when
    entering an except handler. It is not an opcode but we define it here
@@ -148,8 +119,9 @@ extern "C" {
 #define EXCEPT_HANDLER 257
 
 
-enum cmp_op {PyCmp_LT=Py_LT, PyCmp_LE=Py_LE, PyCmp_EQ=Py_EQ, PyCmp_NE=Py_NE, PyCmp_GT=Py_GT, PyCmp_GE=Py_GE,
-             PyCmp_IN, PyCmp_NOT_IN, PyCmp_IS, PyCmp_IS_NOT, PyCmp_EXC_MATCH, PyCmp_BAD};
+enum cmp_op {PyCmp_LT=Py_LT, PyCmp_LE=Py_LE, PyCmp_EQ=Py_EQ, PyCmp_NE=Py_NE,
+                PyCmp_GT=Py_GT, PyCmp_GE=Py_GE, PyCmp_IN, PyCmp_NOT_IN,
+                PyCmp_IS, PyCmp_IS_NOT, PyCmp_EXC_MATCH, PyCmp_BAD};
 
 #define HAS_ARG(op) ((op) >= HAVE_ARGUMENT)
 
diff --git a/Include/osdefs.h b/Include/osdefs.h
index 0c2e34b..bd84c1c 100644
--- a/Include/osdefs.h
+++ b/Include/osdefs.h
@@ -7,15 +7,12 @@ extern "C" {
 
 /* Operating system dependencies */
 
-/* Mod by chrish: QNX has WATCOM, but isn't DOS */
-#if !defined(__QNX__)
-#if defined(MS_WINDOWS) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__DJGPP__)
+#ifdef MS_WINDOWS
 #define SEP L'\\'
 #define ALTSEP L'/'
 #define MAXPATHLEN 256
 #define DELIM L';'
 #endif
-#endif
 
 /* Filename separator */
 #ifndef SEP
diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index f884cd1..1023a8e 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -17,13 +17,13 @@
 /* Version parsed out into numeric values */
 /*--start constants--*/
 #define PY_MAJOR_VERSION	3
-#define PY_MINOR_VERSION	4
-#define PY_MICRO_VERSION	3
-#define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_FINAL
-#define PY_RELEASE_SERIAL	0
+#define PY_MINOR_VERSION	5
+#define PY_MICRO_VERSION	0
+#define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_ALPHA
+#define PY_RELEASE_SERIAL	4
 
 /* Version as a string */
-#define PY_VERSION      	"3.4.3+"
+#define PY_VERSION      	"3.5.0a4+"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
diff --git a/Include/pyatomic.h b/Include/pyatomic.h
index d4e19e0..99816a5 100644
--- a/Include/pyatomic.h
+++ b/Include/pyatomic.h
@@ -1,14 +1,15 @@
-#ifndef Py_LIMITED_API
+/* Issue #23644: <stdatomic.h> is incompatible with C++, see:
+   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60932 */
+#if !defined(Py_LIMITED_API) && !defined(__cplusplus)
 #ifndef Py_ATOMIC_H
 #define Py_ATOMIC_H
-/* XXX: When compilers start offering a stdatomic.h with lock-free
-   atomic_int and atomic_address types, include that here and rewrite
-   the atomic operations in terms of it. */
 
 #include "dynamic_annotations.h"
 
-#ifdef __cplusplus
-extern "C" {
+#include "pyconfig.h"
+
+#if defined(HAVE_STD_ATOMIC)
+#include <stdatomic.h>
 #endif
 
 /* This is modeled after the atomics interface from C1x, according to
@@ -20,6 +21,76 @@ extern "C" {
  * Beware, the implementations here are deep magic.
  */
 
+#if defined(HAVE_STD_ATOMIC)
+
+typedef enum _Py_memory_order {
+    _Py_memory_order_relaxed = memory_order_relaxed,
+    _Py_memory_order_acquire = memory_order_acquire,
+    _Py_memory_order_release = memory_order_release,
+    _Py_memory_order_acq_rel = memory_order_acq_rel,
+    _Py_memory_order_seq_cst = memory_order_seq_cst
+} _Py_memory_order;
+
+typedef struct _Py_atomic_address {
+    _Atomic void *_value;
+} _Py_atomic_address;
+
+typedef struct _Py_atomic_int {
+    atomic_int _value;
+} _Py_atomic_int;
+
+#define _Py_atomic_signal_fence(/*memory_order*/ ORDER) \
+    atomic_signal_fence(ORDER)
+
+#define _Py_atomic_thread_fence(/*memory_order*/ ORDER) \
+    atomic_thread_fence(ORDER)
+
+#define _Py_atomic_store_explicit(ATOMIC_VAL, NEW_VAL, ORDER) \
+    atomic_store_explicit(&(ATOMIC_VAL)->_value, NEW_VAL, ORDER)
+
+#define _Py_atomic_load_explicit(ATOMIC_VAL, ORDER) \
+    atomic_load_explicit(&(ATOMIC_VAL)->_value, ORDER)
+
+/* Use builtin atomic operations in GCC >= 4.7 */
+#elif defined(HAVE_BUILTIN_ATOMIC)
+
+typedef enum _Py_memory_order {
+    _Py_memory_order_relaxed = __ATOMIC_RELAXED,
+    _Py_memory_order_acquire = __ATOMIC_ACQUIRE,
+    _Py_memory_order_release = __ATOMIC_RELEASE,
+    _Py_memory_order_acq_rel = __ATOMIC_ACQ_REL,
+    _Py_memory_order_seq_cst = __ATOMIC_SEQ_CST
+} _Py_memory_order;
+
+typedef struct _Py_atomic_address {
+    void *_value;
+} _Py_atomic_address;
+
+typedef struct _Py_atomic_int {
+    int _value;
+} _Py_atomic_int;
+
+#define _Py_atomic_signal_fence(/*memory_order*/ ORDER) \
+    __atomic_signal_fence(ORDER)
+
+#define _Py_atomic_thread_fence(/*memory_order*/ ORDER) \
+    __atomic_thread_fence(ORDER)
+
+#define _Py_atomic_store_explicit(ATOMIC_VAL, NEW_VAL, ORDER) \
+    (assert((ORDER) == __ATOMIC_RELAXED                       \
+            || (ORDER) == __ATOMIC_SEQ_CST                    \
+            || (ORDER) == __ATOMIC_RELEASE),                  \
+     __atomic_store_n(&(ATOMIC_VAL)->_value, NEW_VAL, ORDER))
+
+#define _Py_atomic_load_explicit(ATOMIC_VAL, ORDER)           \
+    (assert((ORDER) == __ATOMIC_RELAXED                       \
+            || (ORDER) == __ATOMIC_SEQ_CST                    \
+            || (ORDER) == __ATOMIC_ACQUIRE                    \
+            || (ORDER) == __ATOMIC_CONSUME),                  \
+     __atomic_load_n(&(ATOMIC_VAL)->_value, ORDER))
+
+#else
+
 typedef enum _Py_memory_order {
     _Py_memory_order_relaxed,
     _Py_memory_order_acquire,
@@ -162,6 +233,7 @@ _Py_ANNOTATE_MEMORY_ORDER(const volatile void *address, _Py_memory_order order)
     ((ATOMIC_VAL)->_value)
 
 #endif  /* !gcc x86 */
+#endif
 
 /* Standardized shortcuts. */
 #define _Py_atomic_store(ATOMIC_VAL, NEW_VAL) \
@@ -176,9 +248,5 @@ _Py_ANNOTATE_MEMORY_ORDER(const volatile void *address, _Py_memory_order order)
 #define _Py_atomic_load_relaxed(ATOMIC_VAL) \
     _Py_atomic_load_explicit(ATOMIC_VAL, _Py_memory_order_relaxed)
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif  /* Py_ATOMIC_H */
 #endif  /* Py_LIMITED_API */
diff --git a/Include/pydebug.h b/Include/pydebug.h
index 8fe9818..19bec2b 100644
--- a/Include/pydebug.h
+++ b/Include/pydebug.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+/* These global variable are defined in pylifecycle.c */
+/* XXX (ncoghlan): move these declarations to pylifecycle.h? */
 PyAPI_DATA(int) Py_DebugFlag;
 PyAPI_DATA(int) Py_VerboseFlag;
 PyAPI_DATA(int) Py_QuietFlag;
diff --git a/Include/pyerrors.h b/Include/pyerrors.h
index 02f65d6..8a7e4f4 100644
--- a/Include/pyerrors.h
+++ b/Include/pyerrors.h
@@ -99,6 +99,7 @@ PyAPI_FUNC(void) PyErr_SetExcInfo(PyObject *, PyObject *, PyObject *);
 #define _Py_NO_RETURN
 #endif
 
+/* Defined in Python/pylifecycle.c */
 PyAPI_FUNC(void) Py_FatalError(const char *message) _Py_NO_RETURN;
 
 #if defined(Py_DEBUG) || defined(Py_LIMITED_API)
@@ -244,6 +245,12 @@ PyAPI_FUNC(PyObject *) PyErr_Format(
     const char *format,   /* ASCII-encoded string  */
     ...
     );
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
+PyAPI_FUNC(PyObject *) PyErr_FormatV(
+    PyObject *exception,
+    const char *format,
+    va_list vargs);
+#endif
 
 #ifdef MS_WINDOWS
 PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
diff --git a/Include/pylifecycle.h b/Include/pylifecycle.h
new file mode 100644
index 0000000..ccdebe2
--- /dev/null
+++ b/Include/pylifecycle.h
@@ -0,0 +1,124 @@
+
+/* Interfaces to configure, query, create & destroy the Python runtime */
+
+#ifndef Py_PYLIFECYCLE_H
+#define Py_PYLIFECYCLE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+PyAPI_FUNC(void) Py_SetProgramName(wchar_t *);
+PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
+
+PyAPI_FUNC(void) Py_SetPythonHome(wchar_t *);
+PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);
+
+#ifndef Py_LIMITED_API
+/* Only used by applications that embed the interpreter and need to
+ * override the standard encoding determination mechanism
+ */
+PyAPI_FUNC(int) Py_SetStandardStreamEncoding(const char *encoding,
+                                             const char *errors);
+#endif
+
+PyAPI_FUNC(void) Py_Initialize(void);
+PyAPI_FUNC(void) Py_InitializeEx(int);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(void) _Py_InitializeEx_Private(int, int);
+#endif
+PyAPI_FUNC(void) Py_Finalize(void);
+PyAPI_FUNC(int) Py_IsInitialized(void);
+PyAPI_FUNC(PyThreadState *) Py_NewInterpreter(void);
+PyAPI_FUNC(void) Py_EndInterpreter(PyThreadState *);
+
+
+/* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
+ * exit functions.
+ */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(void));
+#endif
+PyAPI_FUNC(int) Py_AtExit(void (*func)(void));
+
+PyAPI_FUNC(void) Py_Exit(int);
+
+/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(void) _Py_RestoreSignals(void);
+
+PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
+#endif
+
+/* Bootstrap __main__ (defined in Modules/main.c) */
+PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
+
+/* In getpath.c */
+PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
+PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
+PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
+PyAPI_FUNC(wchar_t *) Py_GetPath(void);
+PyAPI_FUNC(void)      Py_SetPath(const wchar_t *);
+#ifdef MS_WINDOWS
+int _Py_CheckPython3();
+#endif
+
+/* In their own files */
+PyAPI_FUNC(const char *) Py_GetVersion(void);
+PyAPI_FUNC(const char *) Py_GetPlatform(void);
+PyAPI_FUNC(const char *) Py_GetCopyright(void);
+PyAPI_FUNC(const char *) Py_GetCompiler(void);
+PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(const char *) _Py_hgidentifier(void);
+PyAPI_FUNC(const char *) _Py_hgversion(void);
+#endif
+
+/* Internal -- various one-time initializations */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
+PyAPI_FUNC(PyObject *) _PySys_Init(void);
+PyAPI_FUNC(void) _PyImport_Init(void);
+PyAPI_FUNC(void) _PyExc_Init(PyObject * bltinmod);
+PyAPI_FUNC(void) _PyImportHooks_Init(void);
+PyAPI_FUNC(int) _PyFrame_Init(void);
+PyAPI_FUNC(int) _PyFloat_Init(void);
+PyAPI_FUNC(int) PyByteArray_Init(void);
+PyAPI_FUNC(void) _PyRandom_Init(void);
+#endif
+
+/* Various internal finalizers */
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(void) _PyExc_Fini(void);
+PyAPI_FUNC(void) _PyImport_Fini(void);
+PyAPI_FUNC(void) PyMethod_Fini(void);
+PyAPI_FUNC(void) PyFrame_Fini(void);
+PyAPI_FUNC(void) PyCFunction_Fini(void);
+PyAPI_FUNC(void) PyDict_Fini(void);
+PyAPI_FUNC(void) PyTuple_Fini(void);
+PyAPI_FUNC(void) PyList_Fini(void);
+PyAPI_FUNC(void) PySet_Fini(void);
+PyAPI_FUNC(void) PyBytes_Fini(void);
+PyAPI_FUNC(void) PyByteArray_Fini(void);
+PyAPI_FUNC(void) PyFloat_Fini(void);
+PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
+PyAPI_FUNC(void) _PyGC_DumpShutdownStats(void);
+PyAPI_FUNC(void) _PyGC_Fini(void);
+PyAPI_FUNC(void) PySlice_Fini(void);
+PyAPI_FUNC(void) _PyType_Fini(void);
+PyAPI_FUNC(void) _PyRandom_Fini(void);
+
+PyAPI_DATA(PyThreadState *) _Py_Finalizing;
+#endif
+
+/* Signals */
+typedef void (*PyOS_sighandler_t)(int);
+PyAPI_FUNC(PyOS_sighandler_t) PyOS_getsig(int);
+PyAPI_FUNC(PyOS_sighandler_t) PyOS_setsig(int, PyOS_sighandler_t);
+
+/* Random */
+PyAPI_FUNC(int) _PyOS_URandom (void *buffer, Py_ssize_t size);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_PYLIFECYCLE_H */
diff --git a/Include/pymacro.h b/Include/pymacro.h
index 7997c55..3f6f5dc 100644
--- a/Include/pymacro.h
+++ b/Include/pymacro.h
@@ -1,13 +1,26 @@
 #ifndef Py_PYMACRO_H
 #define Py_PYMACRO_H
 
+/* Minimum value between x and y */
 #define Py_MIN(x, y) (((x) > (y)) ? (y) : (x))
+
+/* Maximum value between x and y */
 #define Py_MAX(x, y) (((x) > (y)) ? (x) : (y))
 
+/* Absolute value of the number x */
+#define Py_ABS(x) ((x) < 0 ? -(x) : (x))
+
+#define _Py_XSTRINGIFY(x) #x
+
+/* Convert the argument to a string. For example, Py_STRINGIFY(123) is replaced
+   with "123" by the preprocessor. Defines are also replaced by their value.
+   For example Py_STRINGIFY(__LINE__) is replaced by the line number, not
+   by "__LINE__". */
+#define Py_STRINGIFY(x) _Py_XSTRINGIFY(x)
+
 /* Argument must be a char or an int in [-128, 127] or [0, 255]. */
 #define Py_CHARMASK(c) ((unsigned char)((c) & 0xff))
 
-
 /* Assert a build-time dependency, as an expression.
 
    Your compile will fail if the condition isn't true, or can't be evaluated
diff --git a/Include/pymem.h b/Include/pymem.h
index 2372b86..043db64 100644
--- a/Include/pymem.h
+++ b/Include/pymem.h
@@ -13,6 +13,7 @@ extern "C" {
 
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
+PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyMem_RawRealloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
 #endif
@@ -57,6 +58,7 @@ PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
 */
 
 PyAPI_FUNC(void *) PyMem_Malloc(size_t size);
+PyAPI_FUNC(void *) PyMem_Calloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyMem_Realloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_Free(void *ptr);
 
@@ -126,22 +128,25 @@ typedef enum {
 } PyMemAllocatorDomain;
 
 typedef struct {
-    /* user context passed as the first argument to the 3 functions */
+    /* user context passed as the first argument to the 4 functions */
     void *ctx;
 
     /* allocate a memory block */
     void* (*malloc) (void *ctx, size_t size);
 
+    /* allocate a memory block initialized by zeros */
+    void* (*calloc) (void *ctx, size_t nelem, size_t elsize);
+
     /* allocate or resize a memory block */
     void* (*realloc) (void *ctx, void *ptr, size_t new_size);
 
     /* release a memory block */
     void (*free) (void *ctx, void *ptr);
-} PyMemAllocator;
+} PyMemAllocatorEx;
 
 /* Get the memory block allocator of the specified domain. */
 PyAPI_FUNC(void) PyMem_GetAllocator(PyMemAllocatorDomain domain,
-                                    PyMemAllocator *allocator);
+                                    PyMemAllocatorEx *allocator);
 
 /* Set the memory block allocator of the specified domain.
 
@@ -155,7 +160,7 @@ PyAPI_FUNC(void) PyMem_GetAllocator(PyMemAllocatorDomain domain,
    PyMem_SetupDebugHooks() function must be called to reinstall the debug hooks
    on top on the new allocator. */
 PyAPI_FUNC(void) PyMem_SetAllocator(PyMemAllocatorDomain domain,
-                                    PyMemAllocator *allocator);
+                                    PyMemAllocatorEx *allocator);
 
 /* Setup hooks to detect bugs in the following Python memory allocator
    functions:
diff --git a/Include/pyport.h b/Include/pyport.h
index b29f9bd..66e00d4 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -357,28 +357,6 @@ typedef int Py_ssize_clean_t;
  * stat() and fstat() fiddling *
  *******************************/
 
-/* We expect that stat and fstat exist on most systems.
- *  It's confirmed on Unix, Mac and Windows.
- *  If you don't have them, add
- *      #define DONT_HAVE_STAT
- * and/or
- *      #define DONT_HAVE_FSTAT
- * to your pyconfig.h. Python code beyond this should check HAVE_STAT and
- * HAVE_FSTAT instead.
- * Also
- *      #define HAVE_SYS_STAT_H
- * if <sys/stat.h> exists on your platform, and
- *      #define HAVE_STAT_H
- * if <stat.h> does.
- */
-#ifndef DONT_HAVE_STAT
-#define HAVE_STAT
-#endif
-
-#ifndef DONT_HAVE_FSTAT
-#define HAVE_FSTAT
-#endif
-
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #elif defined(HAVE_STAT_H)
@@ -588,6 +566,25 @@ extern "C" {
     } while (0)
 #endif
 
+#ifdef HAVE_GCC_ASM_FOR_MC68881
+#define HAVE_PY_SET_53BIT_PRECISION 1
+#define _Py_SET_53BIT_PRECISION_HEADER \
+  unsigned int old_fpcr, new_fpcr
+#define _Py_SET_53BIT_PRECISION_START					\
+  do {									\
+    __asm__ ("fmove.l %%fpcr,%0" : "=g" (old_fpcr));			\
+    /* Set double precision / round to nearest.  */			\
+    new_fpcr = (old_fpcr & ~0xf0) | 0x80;				\
+    if (new_fpcr != old_fpcr)						\
+      __asm__ volatile ("fmove.l %0,%%fpcr" : : "g" (new_fpcr));	\
+  } while (0)
+#define _Py_SET_53BIT_PRECISION_END					\
+  do {									\
+    if (new_fpcr != old_fpcr)						\
+      __asm__ volatile ("fmove.l %0,%%fpcr" : : "g" (old_fpcr));	\
+  } while (0)
+#endif
+
 /* default definitions are empty */
 #ifndef HAVE_PY_SET_53BIT_PRECISION
 #define _Py_SET_53BIT_PRECISION_HEADER
@@ -880,4 +877,24 @@ extern pid_t forkpty(int *, char *, struct termios *, struct winsize *);
 #define PY_LITTLE_ENDIAN 1
 #endif
 
+#ifdef Py_BUILD_CORE 
+/*
+ * Macros to protect CRT calls against instant termination when passed an
+ * invalid parameter (issue23524).
+ */
+#if defined _MSC_VER && _MSC_VER >= 1900
+
+extern _invalid_parameter_handler _Py_silent_invalid_parameter_handler;
+#define _Py_BEGIN_SUPPRESS_IPH { _invalid_parameter_handler _Py_old_handler = \
+    _set_thread_local_invalid_parameter_handler(_Py_silent_invalid_parameter_handler);
+#define _Py_END_SUPPRESS_IPH _set_thread_local_invalid_parameter_handler(_Py_old_handler); }
+
+#else
+
+#define _Py_BEGIN_SUPPRESS_IPH
+#define _Py_END_SUPPRESS_IPH
+
+#endif /* _MSC_VER >= 1900 */
+#endif /* Py_BUILD_CORE */
+
 #endif /* Py_PYPORT_H */
diff --git a/Include/pystate.h b/Include/pystate.h
index 4992c22..8539b65 100644
--- a/Include/pystate.h
+++ b/Include/pystate.h
@@ -174,12 +174,16 @@ PyAPI_FUNC(int) PyThreadState_SetAsyncExc(long, PyObject *);
 /* Variable and macro for in-line access to current thread state */
 
 /* Assuming the current thread holds the GIL, this is the
-   PyThreadState for the current thread. */
-#ifndef Py_LIMITED_API
+   PyThreadState for the current thread.
+
+   Issue #23644: pyatomic.h is incompatible with C++ (yet). Disable
+   PyThreadState_GET() optimization: declare it as an alias to
+   PyThreadState_Get(), as done for limited API. */
+#if !defined(Py_LIMITED_API) && !defined(__cplusplus)
 PyAPI_DATA(_Py_atomic_address) _PyThreadState_Current;
 #endif
 
-#if defined(Py_DEBUG) || defined(Py_LIMITED_API)
+#if defined(Py_DEBUG) || defined(Py_LIMITED_API) || defined(__cplusplus)
 #define PyThreadState_GET() PyThreadState_Get()
 #else
 #define PyThreadState_GET() \
diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index 2fc5578..1d9b71b 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -22,30 +22,6 @@ typedef struct {
 } PyCompilerFlags;
 #endif
 
-PyAPI_FUNC(void) Py_SetProgramName(wchar_t *);
-PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
-
-PyAPI_FUNC(void) Py_SetPythonHome(wchar_t *);
-PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);
-
-#ifndef Py_LIMITED_API
-/* Only used by applications that embed the interpreter and need to
- * override the standard encoding determination mechanism
- */
-PyAPI_FUNC(int) Py_SetStandardStreamEncoding(const char *encoding,
-                                             const char *errors);
-#endif
-
-PyAPI_FUNC(void) Py_Initialize(void);
-PyAPI_FUNC(void) Py_InitializeEx(int);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(void) _Py_InitializeEx_Private(int, int);
-#endif
-PyAPI_FUNC(void) Py_Finalize(void);
-PyAPI_FUNC(int) Py_IsInitialized(void);
-PyAPI_FUNC(PyThreadState *) Py_NewInterpreter(void);
-PyAPI_FUNC(void) Py_EndInterpreter(PyThreadState *);
-
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(int) PyRun_SimpleStringFlags(const char *, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_AnyFileFlags(FILE *, const char *, PyCompilerFlags *);
@@ -166,26 +142,6 @@ PyAPI_FUNC(void) PyErr_Print(void);
 PyAPI_FUNC(void) PyErr_PrintEx(int);
 PyAPI_FUNC(void) PyErr_Display(PyObject *, PyObject *, PyObject *);
 
-/* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
- * exit functions.
- */
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(void));
-#endif
-PyAPI_FUNC(int) Py_AtExit(void (*func)(void));
-
-PyAPI_FUNC(void) Py_Exit(int);
-
-/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(void) _Py_RestoreSignals(void);
-
-PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
-#endif
-
-/* Bootstrap */
-PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
-
 #ifndef Py_LIMITED_API
 /* Use macros for a bunch of old variants */
 #define PyRun_String(str, s, g, l) PyRun_StringFlags(str, s, g, l, NULL)
@@ -207,64 +163,6 @@ PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
     PyRun_FileExFlags(fp, p, s, g, l, 0, flags)
 #endif
 
-/* In getpath.c */
-PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
-PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
-PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
-PyAPI_FUNC(wchar_t *) Py_GetPath(void);
-PyAPI_FUNC(void)      Py_SetPath(const wchar_t *);
-#ifdef MS_WINDOWS
-int _Py_CheckPython3();
-#endif
-
-/* In their own files */
-PyAPI_FUNC(const char *) Py_GetVersion(void);
-PyAPI_FUNC(const char *) Py_GetPlatform(void);
-PyAPI_FUNC(const char *) Py_GetCopyright(void);
-PyAPI_FUNC(const char *) Py_GetCompiler(void);
-PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(const char *) _Py_hgidentifier(void);
-PyAPI_FUNC(const char *) _Py_hgversion(void);
-#endif
-
-/* Internal -- various one-time initializations */
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
-PyAPI_FUNC(PyObject *) _PySys_Init(void);
-PyAPI_FUNC(void) _PyImport_Init(void);
-PyAPI_FUNC(void) _PyExc_Init(PyObject * bltinmod);
-PyAPI_FUNC(void) _PyImportHooks_Init(void);
-PyAPI_FUNC(int) _PyFrame_Init(void);
-PyAPI_FUNC(int) _PyFloat_Init(void);
-PyAPI_FUNC(int) PyByteArray_Init(void);
-PyAPI_FUNC(void) _PyRandom_Init(void);
-#endif
-
-/* Various internal finalizers */
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(void) _PyExc_Fini(void);
-PyAPI_FUNC(void) _PyImport_Fini(void);
-PyAPI_FUNC(void) PyMethod_Fini(void);
-PyAPI_FUNC(void) PyFrame_Fini(void);
-PyAPI_FUNC(void) PyCFunction_Fini(void);
-PyAPI_FUNC(void) PyDict_Fini(void);
-PyAPI_FUNC(void) PyTuple_Fini(void);
-PyAPI_FUNC(void) PyList_Fini(void);
-PyAPI_FUNC(void) PySet_Fini(void);
-PyAPI_FUNC(void) PyBytes_Fini(void);
-PyAPI_FUNC(void) PyByteArray_Fini(void);
-PyAPI_FUNC(void) PyFloat_Fini(void);
-PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
-PyAPI_FUNC(void) _PyGC_DumpShutdownStats(void);
-PyAPI_FUNC(void) _PyGC_Fini(void);
-PyAPI_FUNC(void) PySlice_Fini(void);
-PyAPI_FUNC(void) _PyType_Fini(void);
-PyAPI_FUNC(void) _PyRandom_Fini(void);
-
-PyAPI_DATA(PyThreadState *) _Py_Finalizing;
-#endif
-
 /* Stuff with no proper home (yet) */
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(char *) PyOS_Readline(FILE *, FILE *, const char *);
@@ -290,14 +188,6 @@ PyAPI_DATA(PyThreadState*) _PyOS_ReadlineTState;
 PyAPI_FUNC(int) PyOS_CheckStack(void);
 #endif
 
-/* Signals */
-typedef void (*PyOS_sighandler_t)(int);
-PyAPI_FUNC(PyOS_sighandler_t) PyOS_getsig(int);
-PyAPI_FUNC(PyOS_sighandler_t) PyOS_setsig(int, PyOS_sighandler_t);
-
-/* Random */
-PyAPI_FUNC(int) _PyOS_URandom (void *buffer, Py_ssize_t size);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/Include/pytime.h b/Include/pytime.h
index b0fc6d0..027c3d8 100644
--- a/Include/pytime.h
+++ b/Include/pytime.h
@@ -13,60 +13,26 @@ functions and constants
 extern "C" {
 #endif
 
-#ifdef HAVE_GETTIMEOFDAY
-typedef struct timeval _PyTime_timeval;
+#ifdef PY_INT64_T
+/* _PyTime_t: Python timestamp with subsecond precision. It can be used to
+   store a duration, and so indirectly a date (related to another date, like
+   UNIX epoch). */
+typedef PY_INT64_T _PyTime_t;
+#define _PyTime_MIN PY_LLONG_MIN
+#define _PyTime_MAX PY_LLONG_MAX
 #else
-typedef struct {
-    time_t       tv_sec;   /* seconds since Jan. 1, 1970 */
-    long         tv_usec;  /* and microseconds */
-} _PyTime_timeval;
+#  error "_PyTime_t need signed 64-bit integer type"
 #endif
 
-/* Structure used by time.get_clock_info() */
-typedef struct {
-    const char *implementation;
-    int monotonic;
-    int adjustable;
-    double resolution;
-} _Py_clock_info_t;
-
-/* Similar to POSIX gettimeofday but cannot fail.  If system gettimeofday
- * fails or is not available, fall back to lower resolution clocks.
- */
-PyAPI_FUNC(void) _PyTime_gettimeofday(_PyTime_timeval *tp);
-
-/* Similar to _PyTime_gettimeofday() but retrieve also information on the
- * clock used to get the current time. */
-PyAPI_FUNC(void) _PyTime_gettimeofday_info(
-    _PyTime_timeval *tp,
-    _Py_clock_info_t *info);
-
-#define _PyTime_ADD_SECONDS(tv, interval) \
-do { \
-    tv.tv_usec += (long) (((long) interval - interval) * 1000000); \
-    tv.tv_sec += (time_t) interval + (time_t) (tv.tv_usec / 1000000); \
-    tv.tv_usec %= 1000000; \
-} while (0)
-
-#define _PyTime_INTERVAL(tv_start, tv_end) \
-    ((tv_end.tv_sec - tv_start.tv_sec) + \
-     (tv_end.tv_usec - tv_start.tv_usec) * 0.000001)
-
-#ifndef Py_LIMITED_API
-
 typedef enum {
-    /* Round towards zero. */
-    _PyTime_ROUND_DOWN=0,
-    /* Round away from zero. */
-    _PyTime_ROUND_UP
+    /* Round towards minus infinity (-inf).
+       For example, used to read a clock. */
+    _PyTime_ROUND_FLOOR=0,
+    /* Round towards infinity (+inf).
+       For example, used for timeout to wait "at least" N seconds. */
+    _PyTime_ROUND_CEILING
 } _PyTime_round_t;
 
-/* Convert a number of seconds, int or float, to time_t. */
-PyAPI_FUNC(int) _PyTime_ObjectToTime_t(
-    PyObject *obj,
-    time_t *sec,
-    _PyTime_round_t);
-
 /* Convert a time_t to a PyLong. */
 PyAPI_FUNC(PyObject *) _PyLong_FromTime_t(
     time_t sec);
@@ -75,6 +41,12 @@ PyAPI_FUNC(PyObject *) _PyLong_FromTime_t(
 PyAPI_FUNC(time_t) _PyLong_AsTime_t(
     PyObject *obj);
 
+/* Convert a number of seconds, int or float, to time_t. */
+PyAPI_FUNC(int) _PyTime_ObjectToTime_t(
+    PyObject *obj,
+    time_t *sec,
+    _PyTime_round_t);
+
 /* Convert a number of seconds, int or float, to a timeval structure.
    usec is in the range [0; 999999] and rounded towards zero.
    For example, -1.2 is converted to (-2, 800000). */
@@ -92,10 +64,114 @@ PyAPI_FUNC(int) _PyTime_ObjectToTimespec(
     time_t *sec,
     long *nsec,
     _PyTime_round_t);
+
+
+/* Create a timestamp from a number of seconds. */
+PyAPI_FUNC(_PyTime_t) _PyTime_FromSeconds(int seconds);
+
+/* Macro to create a timestamp from a number of seconds, no integer overflow.
+   Only use the macro for small values, prefer _PyTime_FromSeconds(). */
+#define _PYTIME_FROMSECONDS(seconds) \
+            ((_PyTime_t)(seconds) * (1000 * 1000 * 1000))
+
+/* Create a timestamp from a number of nanoseconds. */
+PyAPI_FUNC(_PyTime_t) _PyTime_FromNanoseconds(PY_LONG_LONG ns);
+
+/* Convert a number of seconds (Python float or int) to a timetamp.
+   Raise an exception and return -1 on error, return 0 on success. */
+PyAPI_FUNC(int) _PyTime_FromSecondsObject(_PyTime_t *t,
+    PyObject *obj,
+    _PyTime_round_t round);
+
+/* Convert a number of milliseconds (Python float or int, 10^-3) to a timetamp.
+   Raise an exception and return -1 on error, return 0 on success. */
+PyAPI_FUNC(int) _PyTime_FromMillisecondsObject(_PyTime_t *t,
+    PyObject *obj,
+    _PyTime_round_t round);
+
+/* Convert a timestamp to a number of seconds as a C double. */
+PyAPI_FUNC(double) _PyTime_AsSecondsDouble(_PyTime_t t);
+
+/* Convert timestamp to a number of milliseconds (10^-3 seconds). */
+PyAPI_FUNC(_PyTime_t) _PyTime_AsMilliseconds(_PyTime_t t,
+    _PyTime_round_t round);
+
+/* Convert timestamp to a number of microseconds (10^-6 seconds). */
+PyAPI_FUNC(_PyTime_t) _PyTime_AsMicroseconds(_PyTime_t t,
+    _PyTime_round_t round);
+
+/* Convert timestamp to a number of nanoseconds (10^-9 seconds) as a Python int
+   object. */
+PyAPI_FUNC(PyObject *) _PyTime_AsNanosecondsObject(_PyTime_t t);
+
+/* Convert a timestamp to a timeval structure (microsecond resolution).
+   tv_usec is always positive.
+   Raise an exception and return -1 if the conversion overflowed,
+   return 0 on success. */
+PyAPI_FUNC(int) _PyTime_AsTimeval(_PyTime_t t,
+    struct timeval *tv,
+    _PyTime_round_t round);
+
+/* Similar to _PyTime_AsTimeval(), but don't raise an exception on error. */
+PyAPI_FUNC(int) _PyTime_AsTimeval_noraise(_PyTime_t t,
+    struct timeval *tv,
+    _PyTime_round_t round);
+
+#if defined(HAVE_CLOCK_GETTIME) || defined(HAVE_KQUEUE)
+/* Convert a timestamp to a timespec structure (nanosecond resolution).
+   tv_nsec is always positive.
+   Raise an exception and return -1 on error, return 0 on success. */
+PyAPI_FUNC(int) _PyTime_AsTimespec(_PyTime_t t, struct timespec *ts);
 #endif
 
-/* Dummy to force linking. */
-PyAPI_FUNC(void) _PyTime_Init(void);
+/* Get the current time from the system clock.
+
+   The function cannot fail. _PyTime_Init() ensures that the system clock
+   works. */
+PyAPI_FUNC(_PyTime_t) _PyTime_GetSystemClock(void);
+
+/* Get the time of a monotonic clock, i.e. a clock that cannot go backwards.
+   The clock is not affected by system clock updates. The reference point of
+   the returned value is undefined, so that only the difference between the
+   results of consecutive calls is valid.
+
+   The function cannot fail. _PyTime_Init() ensures that a monotonic clock
+   is available and works. */
+PyAPI_FUNC(_PyTime_t) _PyTime_GetMonotonicClock(void);
+
+
+/* Structure used by time.get_clock_info() */
+typedef struct {
+    const char *implementation;
+    int monotonic;
+    int adjustable;
+    double resolution;
+} _Py_clock_info_t;
+
+/* Get the current time from the system clock.
+ * Fill clock information if info is not NULL.
+ * Raise an exception and return -1 on error, return 0 on success.
+ */
+PyAPI_FUNC(int) _PyTime_GetSystemClockWithInfo(
+    _PyTime_t *t,
+    _Py_clock_info_t *info);
+
+/* Get the time of a monotonic clock, i.e. a clock that cannot go backwards.
+   The clock is not affected by system clock updates. The reference point of
+   the returned value is undefined, so that only the difference between the
+   results of consecutive calls is valid.
+
+   Fill info (if set) with information of the function used to get the time.
+
+   Return 0 on success, raise an exception and return -1 on error. */
+PyAPI_FUNC(int) _PyTime_GetMonotonicClockWithInfo(
+    _PyTime_t *t,
+    _Py_clock_info_t *info);
+
+
+/* Initialize time.
+   Return 0 on success, raise an exception and return -1 on error. */
+PyAPI_FUNC(int) _PyTime_Init(void);
 
 #ifdef __cplusplus
 }
diff --git a/Include/setobject.h b/Include/setobject.h
index ae3f556..f17bc1b 100644
--- a/Include/setobject.h
+++ b/Include/setobject.h
@@ -6,38 +6,43 @@
 extern "C" {
 #endif
 
+#ifndef Py_LIMITED_API
 
-/*
-There are three kinds of slots in the table:
+/* There are three kinds of entries in the table:
 
 1. Unused:  key == NULL
 2. Active:  key != NULL and key != dummy
 3. Dummy:   key == dummy
 
-Note: .pop() abuses the hash field of an Unused or Dummy slot to
-hold a search finger.  The hash field of Unused or Dummy slots has
-no meaning otherwise.
+The hash field of Unused slots have no meaning.
+The hash field of Dummny slots are set to -1
+meaning that dummy entries can be detected by
+either entry->key==dummy or by entry->hash==-1.
 */
-#ifndef Py_LIMITED_API
+
 #define PySet_MINSIZE 8
 
 typedef struct {
-    /* Cached hash code of the key. */
     PyObject *key;
-    Py_hash_t hash;
+    Py_hash_t hash;             /* Cached hash code of the key */
 } setentry;
 
+/* The SetObject data structure is shared by set and frozenset objects.
+
+Invariant for sets:
+ - hash is -1
+
+Invariants for frozensets:
+ - data is immutable.
+ - hash is the hash of the frozenset or -1 if not computed yet.
 
-/*
-This data structure is shared by set and frozenset objects.
 */
 
-typedef struct _setobject PySetObject;
-struct _setobject {
+typedef struct {
     PyObject_HEAD
 
-    Py_ssize_t fill;  /* # Active + # Dummy */
-    Py_ssize_t used;  /* # Active */
+    Py_ssize_t fill;            /* Number active and dummy entries*/
+    Py_ssize_t used;            /* Number active entries */
 
     /* The table contains mask + 1 slots, and that's a power of 2.
      * We store the mask instead of the size because the mask is more
@@ -45,33 +50,42 @@ struct _setobject {
      */
     Py_ssize_t mask;
 
-    /* table points to smalltable for small tables, else to
-     * additional malloc'ed memory.  table is never NULL!  This rule
-     * saves repeated runtime null-tests.
+    /* The table points to a fixed-size smalltable for small tables
+     * or to additional malloc'ed memory for bigger tables.
+     * The table pointer is never NULL which saves us from repeated
+     * runtime null-tests.
      */
     setentry *table;
-    setentry *(*lookup)(PySetObject *so, PyObject *key, Py_hash_t hash);
-    Py_hash_t hash;             /* only used by frozenset objects */
-    setentry smalltable[PySet_MINSIZE];
+    Py_hash_t hash;             /* Only used by frozenset objects */
+    Py_ssize_t finger;          /* Search finger for pop() */
 
+    setentry smalltable[PySet_MINSIZE];
     PyObject *weakreflist;      /* List of weak references */
-};
-#endif /* Py_LIMITED_API */
+} PySetObject;
+
+#define PySet_GET_SIZE(so) (((PySetObject *)(so))->used)
+
+PyAPI_DATA(PyObject *) _PySet_Dummy;
+
+PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash);
+PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
+PyAPI_FUNC(int) PySet_ClearFreeList(void);
+
+#endif /* Section excluded by Py_LIMITED_API */
 
 PyAPI_DATA(PyTypeObject) PySet_Type;
 PyAPI_DATA(PyTypeObject) PyFrozenSet_Type;
 PyAPI_DATA(PyTypeObject) PySetIter_Type;
-#ifndef Py_LIMITED_API
-PyAPI_DATA(PyObject *) _PySet_Dummy;
-#endif
 
+PyAPI_FUNC(PyObject *) PySet_New(PyObject *);
+PyAPI_FUNC(PyObject *) PyFrozenSet_New(PyObject *);
 
-/* Invariants for frozensets:
- *     data is immutable.
- *     hash is the hash of the frozenset or -1 if not computed yet.
- * Invariants for sets:
- *     hash is -1
- */
+PyAPI_FUNC(int) PySet_Add(PyObject *set, PyObject *key);
+PyAPI_FUNC(int) PySet_Clear(PyObject *set);
+PyAPI_FUNC(int) PySet_Contains(PyObject *anyset, PyObject *key);
+PyAPI_FUNC(int) PySet_Discard(PyObject *set, PyObject *key);
+PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set);
+PyAPI_FUNC(Py_ssize_t) PySet_Size(PyObject *anyset);
 
 #define PyFrozenSet_CheckExact(ob) (Py_TYPE(ob) == &PyFrozenSet_Type)
 #define PyAnySet_CheckExact(ob) \
@@ -87,26 +101,6 @@ PyAPI_DATA(PyObject *) _PySet_Dummy;
     (Py_TYPE(ob) == &PyFrozenSet_Type || \
       PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type))
 
-PyAPI_FUNC(PyObject *) PySet_New(PyObject *);
-PyAPI_FUNC(PyObject *) PyFrozenSet_New(PyObject *);
-PyAPI_FUNC(Py_ssize_t) PySet_Size(PyObject *anyset);
-#ifndef Py_LIMITED_API
-#define PySet_GET_SIZE(so) (((PySetObject *)(so))->used)
-#endif
-PyAPI_FUNC(int) PySet_Clear(PyObject *set);
-PyAPI_FUNC(int) PySet_Contains(PyObject *anyset, PyObject *key);
-PyAPI_FUNC(int) PySet_Discard(PyObject *set, PyObject *key);
-PyAPI_FUNC(int) PySet_Add(PyObject *set, PyObject *key);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash);
-#endif
-PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
-
-PyAPI_FUNC(int) PySet_ClearFreeList(void);
-#endif
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/Include/sliceobject.h b/Include/sliceobject.h
index f7ee90c..26370e0 100644
--- a/Include/sliceobject.h
+++ b/Include/sliceobject.h
@@ -41,7 +41,7 @@ PyAPI_FUNC(int) _PySlice_GetLongIndices(PySliceObject *self, PyObject *length,
 PyAPI_FUNC(int) PySlice_GetIndices(PyObject *r, Py_ssize_t length,
                                   Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step);
 PyAPI_FUNC(int) PySlice_GetIndicesEx(PyObject *r, Py_ssize_t length,
-				    Py_ssize_t *start, Py_ssize_t *stop, 
+				    Py_ssize_t *start, Py_ssize_t *stop,
 				    Py_ssize_t *step, Py_ssize_t *slicelength);
 
 #ifdef __cplusplus
diff --git a/Include/token.h b/Include/token.h
index 905022b..2b213ee 100644
--- a/Include/token.h
+++ b/Include/token.h
@@ -58,13 +58,14 @@ extern "C" {
 #define DOUBLESTAREQUAL	46
 #define DOUBLESLASH	47
 #define DOUBLESLASHEQUAL 48
-#define AT              49	
-#define RARROW          50
-#define ELLIPSIS        51
+#define AT              49
+#define ATEQUAL		50
+#define RARROW          51
+#define ELLIPSIS        52
 /* Don't forget to update the table _PyParser_TokenNames in tokenizer.c! */
-#define OP		52
-#define ERRORTOKEN	53
-#define N_TOKENS	54
+#define OP		53
+#define ERRORTOKEN	54
+#define N_TOKENS	55
 
 /* Special definitions for cooperation with parser */
 
diff --git a/Include/typeslots.h b/Include/typeslots.h
index ad3cdfb..da2e87c 100644
--- a/Include/typeslots.h
+++ b/Include/typeslots.h
@@ -74,3 +74,5 @@
 #define Py_tp_members 72
 #define Py_tp_getset 73
 #define Py_tp_free 74
+#define Py_nb_matrix_multiply 75
+#define Py_nb_inplace_matrix_multiply 76
diff --git a/Include/ucnhash.h b/Include/ucnhash.h
index 8de9ba0..45362e9 100644
--- a/Include/ucnhash.h
+++ b/Include/ucnhash.h
@@ -16,7 +16,7 @@ typedef struct {
     int size;
 
     /* Get name for a given character code.  Returns non-zero if
-       success, zero if not.  Does not set Python exceptions. 
+       success, zero if not.  Does not set Python exceptions.
        If self is NULL, data come from the default version of the database.
        If it is not NULL, it should be a unicodedata.ucd_X_Y_Z object */
     int (*getname)(PyObject *self, Py_UCS4 code, char* buffer, int buflen,
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index d7b2ace..4ba6328 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -2060,12 +2060,6 @@ PyAPI_FUNC(int) PyUnicode_Contains(
     PyObject *element           /* Element string */
     );
 
-/* Checks whether the string contains any NUL characters. */
-
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(int) _PyUnicode_HasNULChars(PyObject *);
-#endif
-
 /* Checks whether argument is a valid identifier. */
 
 PyAPI_FUNC(int) PyUnicode_IsIdentifier(PyObject *s);
@@ -2245,6 +2239,8 @@ PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strrchr(
     Py_UNICODE c
     );
 
+PyAPI_FUNC(PyObject*) _PyUnicode_FormatLong(PyObject *, int, int, int);
+
 /* Create a copy of a unicode string ending with a nul character. Return NULL
    and raise a MemoryError exception on memory allocation failure, otherwise
    return a new allocated buffer (use PyMem_Free() to free the buffer). */
diff --git a/Lib/_collections_abc.py b/Lib/_collections_abc.py
index 33b59ab..3d3f07b 100644
--- a/Lib/_collections_abc.py
+++ b/Lib/_collections_abc.py
@@ -453,6 +453,8 @@ Mapping.register(mappingproxy)
 
 class MappingView(Sized):
 
+    __slots__ = '_mapping',
+
     def __init__(self, mapping):
         self._mapping = mapping
 
@@ -465,6 +467,8 @@ class MappingView(Sized):
 
 class KeysView(MappingView, Set):
 
+    __slots__ = ()
+
     @classmethod
     def _from_iterable(self, it):
         return set(it)
@@ -480,6 +484,8 @@ KeysView.register(dict_keys)
 
 class ItemsView(MappingView, Set):
 
+    __slots__ = ()
+
     @classmethod
     def _from_iterable(self, it):
         return set(it)
@@ -502,6 +508,8 @@ ItemsView.register(dict_items)
 
 class ValuesView(MappingView):
 
+    __slots__ = ()
+
     def __contains__(self, value):
         for key in self._mapping:
             if value == self._mapping[key]:
diff --git a/Lib/_compression.py b/Lib/_compression.py
new file mode 100644
index 0000000..b00f31b
--- /dev/null
+++ b/Lib/_compression.py
@@ -0,0 +1,152 @@
+"""Internal classes used by the gzip, lzma and bz2 modules"""
+
+import io
+
+
+BUFFER_SIZE = io.DEFAULT_BUFFER_SIZE  # Compressed data read chunk size
+
+
+class BaseStream(io.BufferedIOBase):
+    """Mode-checking helper functions."""
+
+    def _check_not_closed(self):
+        if self.closed:
+            raise ValueError("I/O operation on closed file")
+
+    def _check_can_read(self):
+        if not self.readable():
+            raise io.UnsupportedOperation("File not open for reading")
+
+    def _check_can_write(self):
+        if not self.writable():
+            raise io.UnsupportedOperation("File not open for writing")
+
+    def _check_can_seek(self):
+        if not self.readable():
+            raise io.UnsupportedOperation("Seeking is only supported "
+                                          "on files open for reading")
+        if not self.seekable():
+            raise io.UnsupportedOperation("The underlying file object "
+                                          "does not support seeking")
+
+
+class DecompressReader(io.RawIOBase):
+    """Adapts the decompressor API to a RawIOBase reader API"""
+
+    def readable(self):
+        return True
+
+    def __init__(self, fp, decomp_factory, trailing_error=(), **decomp_args):
+        self._fp = fp
+        self._eof = False
+        self._pos = 0  # Current offset in decompressed stream
+
+        # Set to size of decompressed stream once it is known, for SEEK_END
+        self._size = -1
+
+        # Save the decompressor factory and arguments.
+        # If the file contains multiple compressed streams, each
+        # stream will need a separate decompressor object. A new decompressor
+        # object is also needed when implementing a backwards seek().
+        self._decomp_factory = decomp_factory
+        self._decomp_args = decomp_args
+        self._decompressor = self._decomp_factory(**self._decomp_args)
+
+        # Exception class to catch from decompressor signifying invalid
+        # trailing data to ignore
+        self._trailing_error = trailing_error
+
+    def close(self):
+        self._decompressor = None
+        return super().close()
+
+    def seekable(self):
+        return self._fp.seekable()
+
+    def readinto(self, b):
+        with memoryview(b) as view, view.cast("B") as byte_view:
+            data = self.read(len(byte_view))
+            byte_view[:len(data)] = data
+        return len(data)
+
+    def read(self, size=-1):
+        if size < 0:
+            return self.readall()
+
+        if not size or self._eof:
+            return b""
+        data = None  # Default if EOF is encountered
+        # Depending on the input data, our call to the decompressor may not
+        # return any data. In this case, try again after reading another block.
+        while True:
+            if self._decompressor.eof:
+                rawblock = (self._decompressor.unused_data or
+                            self._fp.read(BUFFER_SIZE))
+                if not rawblock:
+                    break
+                # Continue to next stream.
+                self._decompressor = self._decomp_factory(
+                    **self._decomp_args)
+                try:
+                    data = self._decompressor.decompress(rawblock, size)
+                except self._trailing_error:
+                    # Trailing data isn't a valid compressed stream; ignore it.
+                    break
+            else:
+                if self._decompressor.needs_input:
+                    rawblock = self._fp.read(BUFFER_SIZE)
+                    if not rawblock:
+                        raise EOFError("Compressed file ended before the "
+                                       "end-of-stream marker was reached")
+                else:
+                    rawblock = b""
+                data = self._decompressor.decompress(rawblock, size)
+            if data:
+                break
+        if not data:
+            self._eof = True
+            self._size = self._pos
+            return b""
+        self._pos += len(data)
+        return data
+
+    # Rewind the file to the beginning of the data stream.
+    def _rewind(self):
+        self._fp.seek(0)
+        self._eof = False
+        self._pos = 0
+        self._decompressor = self._decomp_factory(**self._decomp_args)
+
+    def seek(self, offset, whence=io.SEEK_SET):
+        # Recalculate offset as an absolute file position.
+        if whence == io.SEEK_SET:
+            pass
+        elif whence == io.SEEK_CUR:
+            offset = self._pos + offset
+        elif whence == io.SEEK_END:
+            # Seeking relative to EOF - we need to know the file's size.
+            if self._size < 0:
+                while self.read(io.DEFAULT_BUFFER_SIZE):
+                    pass
+            offset = self._size + offset
+        else:
+            raise ValueError("Invalid value for whence: {}".format(whence))
+
+        # Make it so that offset is the number of bytes to skip forward.
+        if offset < self._pos:
+            self._rewind()
+        else:
+            offset -= self._pos
+
+        # Read and discard data until we reach the desired position.
+        while offset > 0:
+            data = self.read(min(io.DEFAULT_BUFFER_SIZE, offset))
+            if not data:
+                break
+            offset -= len(data)
+
+        return self._pos
+
+    def tell(self):
+        """Return the current file position."""
+        return self._pos
diff --git a/Lib/_dummy_thread.py b/Lib/_dummy_thread.py
index b67cfb9..36e5f38 100644
--- a/Lib/_dummy_thread.py
+++ b/Lib/_dummy_thread.py
@@ -140,6 +140,14 @@ class LockType(object):
     def locked(self):
         return self.locked_status
 
+    def __repr__(self):
+        return "<%s %s.%s object at %s>" % (
+            "locked" if self.locked_status else "unlocked",
+            self.__class__.__module__,
+            self.__class__.__qualname__,
+            hex(id(self))
+        )
+
 # Used to signal that interrupt_main was called in a "thread"
 _interrupt = False
 # True when not executing in a "thread"
diff --git a/Lib/_pydecimal.py b/Lib/_pydecimal.py
new file mode 100644
index 0000000..05ba4ee
--- /dev/null
+++ b/Lib/_pydecimal.py
@@ -0,0 +1,6380 @@
+# Copyright (c) 2004 Python Software Foundation.
+# All rights reserved.
+
+# Written by Eric Price <eprice at tjhsst.edu>
+#    and Facundo Batista <facundo at taniquetil.com.ar>
+#    and Raymond Hettinger <python at rcn.com>
+#    and Aahz <aahz at pobox.com>
+#    and Tim Peters
+
+# This module should be kept in sync with the latest updates of the
+# IBM specification as it evolves.  Those updates will be treated
+# as bug fixes (deviation from the spec is a compatibility, usability
+# bug) and will be backported.  At this point the spec is stabilizing
+# and the updates are becoming fewer, smaller, and less significant.
+
+"""
+This is an implementation of decimal floating point arithmetic based on
+the General Decimal Arithmetic Specification:
+
+    http://speleotrove.com/decimal/decarith.html
+
+and IEEE standard 854-1987:
+
+    http://en.wikipedia.org/wiki/IEEE_854-1987
+
+Decimal floating point has finite precision with arbitrarily large bounds.
+
+The purpose of this module is to support arithmetic using familiar
+"schoolhouse" rules and to avoid some of the tricky representation
+issues associated with binary floating point.  The package is especially
+useful for financial applications or for contexts where users have
+expectations that are at odds with binary floating point (for instance,
+in binary floating point, 1.00 % 0.1 gives 0.09999999999999995 instead
+of 0.0; Decimal('1.00') % Decimal('0.1') returns the expected
+Decimal('0.00')).
+
+Here are some examples of using the decimal module:
+
+>>> from decimal import *
+>>> setcontext(ExtendedContext)
+>>> Decimal(0)
+Decimal('0')
+>>> Decimal('1')
+Decimal('1')
+>>> Decimal('-.0123')
+Decimal('-0.0123')
+>>> Decimal(123456)
+Decimal('123456')
+>>> Decimal('123.45e12345678')
+Decimal('1.2345E+12345680')
+>>> Decimal('1.33') + Decimal('1.27')
+Decimal('2.60')
+>>> Decimal('12.34') + Decimal('3.87') - Decimal('18.41')
+Decimal('-2.20')
+>>> dig = Decimal(1)
+>>> print(dig / Decimal(3))
+0.333333333
+>>> getcontext().prec = 18
+>>> print(dig / Decimal(3))
+0.333333333333333333
+>>> print(dig.sqrt())
+1
+>>> print(Decimal(3).sqrt())
+1.73205080756887729
+>>> print(Decimal(3) ** 123)
+4.85192780976896427E+58
+>>> inf = Decimal(1) / Decimal(0)
+>>> print(inf)
+Infinity
+>>> neginf = Decimal(-1) / Decimal(0)
+>>> print(neginf)
+-Infinity
+>>> print(neginf + inf)
+NaN
+>>> print(neginf * inf)
+-Infinity
+>>> print(dig / 0)
+Infinity
+>>> getcontext().traps[DivisionByZero] = 1
+>>> print(dig / 0)
+Traceback (most recent call last):
+  ...
+  ...
+  ...
+decimal.DivisionByZero: x / 0
+>>> c = Context()
+>>> c.traps[InvalidOperation] = 0
+>>> print(c.flags[InvalidOperation])
+0
+>>> c.divide(Decimal(0), Decimal(0))
+Decimal('NaN')
+>>> c.traps[InvalidOperation] = 1
+>>> print(c.flags[InvalidOperation])
+1
+>>> c.flags[InvalidOperation] = 0
+>>> print(c.flags[InvalidOperation])
+0
+>>> print(c.divide(Decimal(0), Decimal(0)))
+Traceback (most recent call last):
+  ...
+  ...
+  ...
+decimal.InvalidOperation: 0 / 0
+>>> print(c.flags[InvalidOperation])
+1
+>>> c.flags[InvalidOperation] = 0
+>>> c.traps[InvalidOperation] = 0
+>>> print(c.divide(Decimal(0), Decimal(0)))
+NaN
+>>> print(c.flags[InvalidOperation])
+1
+>>>
+"""
+
+__all__ = [
+    # Two major classes
+    'Decimal', 'Context',
+
+    # Named tuple representation
+    'DecimalTuple',
+
+    # Contexts
+    'DefaultContext', 'BasicContext', 'ExtendedContext',
+
+    # Exceptions
+    'DecimalException', 'Clamped', 'InvalidOperation', 'DivisionByZero',
+    'Inexact', 'Rounded', 'Subnormal', 'Overflow', 'Underflow',
+    'FloatOperation',
+
+    # Exceptional conditions that trigger InvalidOperation
+    'DivisionImpossible', 'InvalidContext', 'ConversionSyntax', 'DivisionUndefined',
+
+    # Constants for use in setting up contexts
+    'ROUND_DOWN', 'ROUND_HALF_UP', 'ROUND_HALF_EVEN', 'ROUND_CEILING',
+    'ROUND_FLOOR', 'ROUND_UP', 'ROUND_HALF_DOWN', 'ROUND_05UP',
+
+    # Functions for manipulating contexts
+    'setcontext', 'getcontext', 'localcontext',
+
+    # Limits for the C version for compatibility
+    'MAX_PREC',  'MAX_EMAX', 'MIN_EMIN', 'MIN_ETINY',
+
+    # C version: compile time choice that enables the thread local context
+    'HAVE_THREADS'
+]
+
+__xname__ = __name__    # sys.modules lookup (--without-threads)
+__name__ = 'decimal'    # For pickling
+__version__ = '1.70'    # Highest version of the spec this complies with
+                        # See http://speleotrove.com/decimal/
+__libmpdec_version__ = "2.4.1" # compatible libmpdec version
+
+import math as _math
+import numbers as _numbers
+import sys
+
+try:
+    from collections import namedtuple as _namedtuple
+    DecimalTuple = _namedtuple('DecimalTuple', 'sign digits exponent')
+except ImportError:
+    DecimalTuple = lambda *args: args
+
+# Rounding
+ROUND_DOWN = 'ROUND_DOWN'
+ROUND_HALF_UP = 'ROUND_HALF_UP'
+ROUND_HALF_EVEN = 'ROUND_HALF_EVEN'
+ROUND_CEILING = 'ROUND_CEILING'
+ROUND_FLOOR = 'ROUND_FLOOR'
+ROUND_UP = 'ROUND_UP'
+ROUND_HALF_DOWN = 'ROUND_HALF_DOWN'
+ROUND_05UP = 'ROUND_05UP'
+
+# Compatibility with the C version
+HAVE_THREADS = True
+if sys.maxsize == 2**63-1:
+    MAX_PREC = 999999999999999999
+    MAX_EMAX = 999999999999999999
+    MIN_EMIN = -999999999999999999
+else:
+    MAX_PREC = 425000000
+    MAX_EMAX = 425000000
+    MIN_EMIN = -425000000
+
+MIN_ETINY = MIN_EMIN - (MAX_PREC-1)
+
+# Errors
+
+class DecimalException(ArithmeticError):
+    """Base exception class.
+
+    Used exceptions derive from this.
+    If an exception derives from another exception besides this (such as
+    Underflow (Inexact, Rounded, Subnormal) that indicates that it is only
+    called if the others are present.  This isn't actually used for
+    anything, though.
+
+    handle  -- Called when context._raise_error is called and the
+               trap_enabler is not set.  First argument is self, second is the
+               context.  More arguments can be given, those being after
+               the explanation in _raise_error (For example,
+               context._raise_error(NewError, '(-x)!', self._sign) would
+               call NewError().handle(context, self._sign).)
+
+    To define a new exception, it should be sufficient to have it derive
+    from DecimalException.
+    """
+    def handle(self, context, *args):
+        pass
+
+
+class Clamped(DecimalException):
+    """Exponent of a 0 changed to fit bounds.
+
+    This occurs and signals clamped if the exponent of a result has been
+    altered in order to fit the constraints of a specific concrete
+    representation.  This may occur when the exponent of a zero result would
+    be outside the bounds of a representation, or when a large normal
+    number would have an encoded exponent that cannot be represented.  In
+    this latter case, the exponent is reduced to fit and the corresponding
+    number of zero digits are appended to the coefficient ("fold-down").
+    """
+
+class InvalidOperation(DecimalException):
+    """An invalid operation was performed.
+
+    Various bad things cause this:
+
+    Something creates a signaling NaN
+    -INF + INF
+    0 * (+-)INF
+    (+-)INF / (+-)INF
+    x % 0
+    (+-)INF % x
+    x._rescale( non-integer )
+    sqrt(-x) , x > 0
+    0 ** 0
+    x ** (non-integer)
+    x ** (+-)INF
+    An operand is invalid
+
+    The result of the operation after these is a quiet positive NaN,
+    except when the cause is a signaling NaN, in which case the result is
+    also a quiet NaN, but with the original sign, and an optional
+    diagnostic information.
+    """
+    def handle(self, context, *args):
+        if args:
+            ans = _dec_from_triple(args[0]._sign, args[0]._int, 'n', True)
+            return ans._fix_nan(context)
+        return _NaN
+
+class ConversionSyntax(InvalidOperation):
+    """Trying to convert badly formed string.
+
+    This occurs and signals invalid-operation if an string is being
+    converted to a number and it does not conform to the numeric string
+    syntax.  The result is [0,qNaN].
+    """
+    def handle(self, context, *args):
+        return _NaN
+
+class DivisionByZero(DecimalException, ZeroDivisionError):
+    """Division by 0.
+
+    This occurs and signals division-by-zero if division of a finite number
+    by zero was attempted (during a divide-integer or divide operation, or a
+    power operation with negative right-hand operand), and the dividend was
+    not zero.
+
+    The result of the operation is [sign,inf], where sign is the exclusive
+    or of the signs of the operands for divide, or is 1 for an odd power of
+    -0, for power.
+    """
+
+    def handle(self, context, sign, *args):
+        return _SignedInfinity[sign]
+
+class DivisionImpossible(InvalidOperation):
+    """Cannot perform the division adequately.
+
+    This occurs and signals invalid-operation if the integer result of a
+    divide-integer or remainder operation had too many digits (would be
+    longer than precision).  The result is [0,qNaN].
+    """
+
+    def handle(self, context, *args):
+        return _NaN
+
+class DivisionUndefined(InvalidOperation, ZeroDivisionError):
+    """Undefined result of division.
+
+    This occurs and signals invalid-operation if division by zero was
+    attempted (during a divide-integer, divide, or remainder operation), and
+    the dividend is also zero.  The result is [0,qNaN].
+    """
+
+    def handle(self, context, *args):
+        return _NaN
+
+class Inexact(DecimalException):
+    """Had to round, losing information.
+
+    This occurs and signals inexact whenever the result of an operation is
+    not exact (that is, it needed to be rounded and any discarded digits
+    were non-zero), or if an overflow or underflow condition occurs.  The
+    result in all cases is unchanged.
+
+    The inexact signal may be tested (or trapped) to determine if a given
+    operation (or sequence of operations) was inexact.
+    """
+
+class InvalidContext(InvalidOperation):
+    """Invalid context.  Unknown rounding, for example.
+
+    This occurs and signals invalid-operation if an invalid context was
+    detected during an operation.  This can occur if contexts are not checked
+    on creation and either the precision exceeds the capability of the
+    underlying concrete representation or an unknown or unsupported rounding
+    was specified.  These aspects of the context need only be checked when
+    the values are required to be used.  The result is [0,qNaN].
+    """
+
+    def handle(self, context, *args):
+        return _NaN
+
+class Rounded(DecimalException):
+    """Number got rounded (not  necessarily changed during rounding).
+
+    This occurs and signals rounded whenever the result of an operation is
+    rounded (that is, some zero or non-zero digits were discarded from the
+    coefficient), or if an overflow or underflow condition occurs.  The
+    result in all cases is unchanged.
+
+    The rounded signal may be tested (or trapped) to determine if a given
+    operation (or sequence of operations) caused a loss of precision.
+    """
+
+class Subnormal(DecimalException):
+    """Exponent < Emin before rounding.
+
+    This occurs and signals subnormal whenever the result of a conversion or
+    operation is subnormal (that is, its adjusted exponent is less than
+    Emin, before any rounding).  The result in all cases is unchanged.
+
+    The subnormal signal may be tested (or trapped) to determine if a given
+    or operation (or sequence of operations) yielded a subnormal result.
+    """
+
+class Overflow(Inexact, Rounded):
+    """Numerical overflow.
+
+    This occurs and signals overflow if the adjusted exponent of a result
+    (from a conversion or from an operation that is not an attempt to divide
+    by zero), after rounding, would be greater than the largest value that
+    can be handled by the implementation (the value Emax).
+
+    The result depends on the rounding mode:
+
+    For round-half-up and round-half-even (and for round-half-down and
+    round-up, if implemented), the result of the operation is [sign,inf],
+    where sign is the sign of the intermediate result.  For round-down, the
+    result is the largest finite number that can be represented in the
+    current precision, with the sign of the intermediate result.  For
+    round-ceiling, the result is the same as for round-down if the sign of
+    the intermediate result is 1, or is [0,inf] otherwise.  For round-floor,
+    the result is the same as for round-down if the sign of the intermediate
+    result is 0, or is [1,inf] otherwise.  In all cases, Inexact and Rounded
+    will also be raised.
+    """
+
+    def handle(self, context, sign, *args):
+        if context.rounding in (ROUND_HALF_UP, ROUND_HALF_EVEN,
+                                ROUND_HALF_DOWN, ROUND_UP):
+            return _SignedInfinity[sign]
+        if sign == 0:
+            if context.rounding == ROUND_CEILING:
+                return _SignedInfinity[sign]
+            return _dec_from_triple(sign, '9'*context.prec,
+                            context.Emax-context.prec+1)
+        if sign == 1:
+            if context.rounding == ROUND_FLOOR:
+                return _SignedInfinity[sign]
+            return _dec_from_triple(sign, '9'*context.prec,
+                             context.Emax-context.prec+1)
+
+
+class Underflow(Inexact, Rounded, Subnormal):
+    """Numerical underflow with result rounded to 0.
+
+    This occurs and signals underflow if a result is inexact and the
+    adjusted exponent of the result would be smaller (more negative) than
+    the smallest value that can be handled by the implementation (the value
+    Emin).  That is, the result is both inexact and subnormal.
+
+    The result after an underflow will be a subnormal number rounded, if
+    necessary, so that its exponent is not less than Etiny.  This may result
+    in 0 with the sign of the intermediate result and an exponent of Etiny.
+
+    In all cases, Inexact, Rounded, and Subnormal will also be raised.
+    """
+
+class FloatOperation(DecimalException, TypeError):
+    """Enable stricter semantics for mixing floats and Decimals.
+
+    If the signal is not trapped (default), mixing floats and Decimals is
+    permitted in the Decimal() constructor, context.create_decimal() and
+    all comparison operators. Both conversion and comparisons are exact.
+    Any occurrence of a mixed operation is silently recorded by setting
+    FloatOperation in the context flags.  Explicit conversions with
+    Decimal.from_float() or context.create_decimal_from_float() do not
+    set the flag.
+
+    Otherwise (the signal is trapped), only equality comparisons and explicit
+    conversions are silent. All other mixed operations raise FloatOperation.
+    """
+
+# List of public traps and flags
+_signals = [Clamped, DivisionByZero, Inexact, Overflow, Rounded,
+            Underflow, InvalidOperation, Subnormal, FloatOperation]
+
+# Map conditions (per the spec) to signals
+_condition_map = {ConversionSyntax:InvalidOperation,
+                  DivisionImpossible:InvalidOperation,
+                  DivisionUndefined:InvalidOperation,
+                  InvalidContext:InvalidOperation}
+
+# Valid rounding modes
+_rounding_modes = (ROUND_DOWN, ROUND_HALF_UP, ROUND_HALF_EVEN, ROUND_CEILING,
+                   ROUND_FLOOR, ROUND_UP, ROUND_HALF_DOWN, ROUND_05UP)
+
+##### Context Functions ##################################################
+
+# The getcontext() and setcontext() function manage access to a thread-local
+# current context.  Py2.4 offers direct support for thread locals.  If that
+# is not available, use threading.current_thread() which is slower but will
+# work for older Pythons.  If threads are not part of the build, create a
+# mock threading object with threading.local() returning the module namespace.
+
+try:
+    import threading
+except ImportError:
+    # Python was compiled without threads; create a mock object instead
+    class MockThreading(object):
+        def local(self, sys=sys):
+            return sys.modules[__xname__]
+    threading = MockThreading()
+    del MockThreading
+
+try:
+    threading.local
+
+except AttributeError:
+
+    # To fix reloading, force it to create a new context
+    # Old contexts have different exceptions in their dicts, making problems.
+    if hasattr(threading.current_thread(), '__decimal_context__'):
+        del threading.current_thread().__decimal_context__
+
+    def setcontext(context):
+        """Set this thread's context to context."""
+        if context in (DefaultContext, BasicContext, ExtendedContext):
+            context = context.copy()
+            context.clear_flags()
+        threading.current_thread().__decimal_context__ = context
+
+    def getcontext():
+        """Returns this thread's context.
+
+        If this thread does not yet have a context, returns
+        a new context and sets this thread's context.
+        New contexts are copies of DefaultContext.
+        """
+        try:
+            return threading.current_thread().__decimal_context__
+        except AttributeError:
+            context = Context()
+            threading.current_thread().__decimal_context__ = context
+            return context
+
+else:
+
+    local = threading.local()
+    if hasattr(local, '__decimal_context__'):
+        del local.__decimal_context__
+
+    def getcontext(_local=local):
+        """Returns this thread's context.
+
+        If this thread does not yet have a context, returns
+        a new context and sets this thread's context.
+        New contexts are copies of DefaultContext.
+        """
+        try:
+            return _local.__decimal_context__
+        except AttributeError:
+            context = Context()
+            _local.__decimal_context__ = context
+            return context
+
+    def setcontext(context, _local=local):
+        """Set this thread's context to context."""
+        if context in (DefaultContext, BasicContext, ExtendedContext):
+            context = context.copy()
+            context.clear_flags()
+        _local.__decimal_context__ = context
+
+    del threading, local        # Don't contaminate the namespace
+
+def localcontext(ctx=None):
+    """Return a context manager for a copy of the supplied context
+
+    Uses a copy of the current context if no context is specified
+    The returned context manager creates a local decimal context
+    in a with statement:
+        def sin(x):
+             with localcontext() as ctx:
+                 ctx.prec += 2
+                 # Rest of sin calculation algorithm
+                 # uses a precision 2 greater than normal
+             return +s  # Convert result to normal precision
+
+         def sin(x):
+             with localcontext(ExtendedContext):
+                 # Rest of sin calculation algorithm
+                 # uses the Extended Context from the
+                 # General Decimal Arithmetic Specification
+             return +s  # Convert result to normal context
+
+    >>> setcontext(DefaultContext)
+    >>> print(getcontext().prec)
+    28
+    >>> with localcontext():
+    ...     ctx = getcontext()
+    ...     ctx.prec += 2
+    ...     print(ctx.prec)
+    ...
+    30
+    >>> with localcontext(ExtendedContext):
+    ...     print(getcontext().prec)
+    ...
+    9
+    >>> print(getcontext().prec)
+    28
+    """
+    if ctx is None: ctx = getcontext()
+    return _ContextManager(ctx)
+
+
+##### Decimal class #######################################################
+
+# Do not subclass Decimal from numbers.Real and do not register it as such
+# (because Decimals are not interoperable with floats).  See the notes in
+# numbers.py for more detail.
+
+class Decimal(object):
+    """Floating point class for decimal arithmetic."""
+
+    __slots__ = ('_exp','_int','_sign', '_is_special')
+    # Generally, the value of the Decimal instance is given by
+    #  (-1)**_sign * _int * 10**_exp
+    # Special values are signified by _is_special == True
+
+    # We're immutable, so use __new__ not __init__
+    def __new__(cls, value="0", context=None):
+        """Create a decimal point instance.
+
+        >>> Decimal('3.14')              # string input
+        Decimal('3.14')
+        >>> Decimal((0, (3, 1, 4), -2))  # tuple (sign, digit_tuple, exponent)
+        Decimal('3.14')
+        >>> Decimal(314)                 # int
+        Decimal('314')
+        >>> Decimal(Decimal(314))        # another decimal instance
+        Decimal('314')
+        >>> Decimal('  3.14  \\n')        # leading and trailing whitespace okay
+        Decimal('3.14')
+        """
+
+        # Note that the coefficient, self._int, is actually stored as
+        # a string rather than as a tuple of digits.  This speeds up
+        # the "digits to integer" and "integer to digits" conversions
+        # that are used in almost every arithmetic operation on
+        # Decimals.  This is an internal detail: the as_tuple function
+        # and the Decimal constructor still deal with tuples of
+        # digits.
+
+        self = object.__new__(cls)
+
+        # From a string
+        # REs insist on real strings, so we can too.
+        if isinstance(value, str):
+            m = _parser(value.strip())
+            if m is None:
+                if context is None:
+                    context = getcontext()
+                return context._raise_error(ConversionSyntax,
+                                "Invalid literal for Decimal: %r" % value)
+
+            if m.group('sign') == "-":
+                self._sign = 1
+            else:
+                self._sign = 0
+            intpart = m.group('int')
+            if intpart is not None:
+                # finite number
+                fracpart = m.group('frac') or ''
+                exp = int(m.group('exp') or '0')
+                self._int = str(int(intpart+fracpart))
+                self._exp = exp - len(fracpart)
+                self._is_special = False
+            else:
+                diag = m.group('diag')
+                if diag is not None:
+                    # NaN
+                    self._int = str(int(diag or '0')).lstrip('0')
+                    if m.group('signal'):
+                        self._exp = 'N'
+                    else:
+                        self._exp = 'n'
+                else:
+                    # infinity
+                    self._int = '0'
+                    self._exp = 'F'
+                self._is_special = True
+            return self
+
+        # From an integer
+        if isinstance(value, int):
+            if value >= 0:
+                self._sign = 0
+            else:
+                self._sign = 1
+            self._exp = 0
+            self._int = str(abs(value))
+            self._is_special = False
+            return self
+
+        # From another decimal
+        if isinstance(value, Decimal):
+            self._exp  = value._exp
+            self._sign = value._sign
+            self._int  = value._int
+            self._is_special  = value._is_special
+            return self
+
+        # From an internal working value
+        if isinstance(value, _WorkRep):
+            self._sign = value.sign
+            self._int = str(value.int)
+            self._exp = int(value.exp)
+            self._is_special = False
+            return self
+
+        # tuple/list conversion (possibly from as_tuple())
+        if isinstance(value, (list,tuple)):
+            if len(value) != 3:
+                raise ValueError('Invalid tuple size in creation of Decimal '
+                                 'from list or tuple.  The list or tuple '
+                                 'should have exactly three elements.')
+            # process sign.  The isinstance test rejects floats
+            if not (isinstance(value[0], int) and value[0] in (0,1)):
+                raise ValueError("Invalid sign.  The first value in the tuple "
+                                 "should be an integer; either 0 for a "
+                                 "positive number or 1 for a negative number.")
+            self._sign = value[0]
+            if value[2] == 'F':
+                # infinity: value[1] is ignored
+                self._int = '0'
+                self._exp = value[2]
+                self._is_special = True
+            else:
+                # process and validate the digits in value[1]
+                digits = []
+                for digit in value[1]:
+                    if isinstance(digit, int) and 0 <= digit <= 9:
+                        # skip leading zeros
+                        if digits or digit != 0:
+                            digits.append(digit)
+                    else:
+                        raise ValueError("The second value in the tuple must "
+                                         "be composed of integers in the range "
+                                         "0 through 9.")
+                if value[2] in ('n', 'N'):
+                    # NaN: digits form the diagnostic
+                    self._int = ''.join(map(str, digits))
+                    self._exp = value[2]
+                    self._is_special = True
+                elif isinstance(value[2], int):
+                    # finite number: digits give the coefficient
+                    self._int = ''.join(map(str, digits or [0]))
+                    self._exp = value[2]
+                    self._is_special = False
+                else:
+                    raise ValueError("The third value in the tuple must "
+                                     "be an integer, or one of the "
+                                     "strings 'F', 'n', 'N'.")
+            return self
+
+        if isinstance(value, float):
+            if context is None:
+                context = getcontext()
+            context._raise_error(FloatOperation,
+                "strict semantics for mixing floats and Decimals are "
+                "enabled")
+            value = Decimal.from_float(value)
+            self._exp  = value._exp
+            self._sign = value._sign
+            self._int  = value._int
+            self._is_special  = value._is_special
+            return self
+
+        raise TypeError("Cannot convert %r to Decimal" % value)
+
+    @classmethod
+    def from_float(cls, f):
+        """Converts a float to a decimal number, exactly.
+
+        Note that Decimal.from_float(0.1) is not the same as Decimal('0.1').
+        Since 0.1 is not exactly representable in binary floating point, the
+        value is stored as the nearest representable value which is
+        0x1.999999999999ap-4.  The exact equivalent of the value in decimal
+        is 0.1000000000000000055511151231257827021181583404541015625.
+
+        >>> Decimal.from_float(0.1)
+        Decimal('0.1000000000000000055511151231257827021181583404541015625')
+        >>> Decimal.from_float(float('nan'))
+        Decimal('NaN')
+        >>> Decimal.from_float(float('inf'))
+        Decimal('Infinity')
+        >>> Decimal.from_float(-float('inf'))
+        Decimal('-Infinity')
+        >>> Decimal.from_float(-0.0)
+        Decimal('-0')
+
+        """
+        if isinstance(f, int):                # handle integer inputs
+            return cls(f)
+        if not isinstance(f, float):
+            raise TypeError("argument must be int or float.")
+        if _math.isinf(f) or _math.isnan(f):
+            return cls(repr(f))
+        if _math.copysign(1.0, f) == 1.0:
+            sign = 0
+        else:
+            sign = 1
+        n, d = abs(f).as_integer_ratio()
+        k = d.bit_length() - 1
+        result = _dec_from_triple(sign, str(n*5**k), -k)
+        if cls is Decimal:
+            return result
+        else:
+            return cls(result)
+
+    def _isnan(self):
+        """Returns whether the number is not actually one.
+
+        0 if a number
+        1 if NaN
+        2 if sNaN
+        """
+        if self._is_special:
+            exp = self._exp
+            if exp == 'n':
+                return 1
+            elif exp == 'N':
+                return 2
+        return 0
+
+    def _isinfinity(self):
+        """Returns whether the number is infinite
+
+        0 if finite or not a number
+        1 if +INF
+        -1 if -INF
+        """
+        if self._exp == 'F':
+            if self._sign:
+                return -1
+            return 1
+        return 0
+
+    def _check_nans(self, other=None, context=None):
+        """Returns whether the number is not actually one.
+
+        if self, other are sNaN, signal
+        if self, other are NaN return nan
+        return 0
+
+        Done before operations.
+        """
+
+        self_is_nan = self._isnan()
+        if other is None:
+            other_is_nan = False
+        else:
+            other_is_nan = other._isnan()
+
+        if self_is_nan or other_is_nan:
+            if context is None:
+                context = getcontext()
+
+            if self_is_nan == 2:
+                return context._raise_error(InvalidOperation, 'sNaN',
+                                        self)
+            if other_is_nan == 2:
+                return context._raise_error(InvalidOperation, 'sNaN',
+                                        other)
+            if self_is_nan:
+                return self._fix_nan(context)
+
+            return other._fix_nan(context)
+        return 0
+
+    def _compare_check_nans(self, other, context):
+        """Version of _check_nans used for the signaling comparisons
+        compare_signal, __le__, __lt__, __ge__, __gt__.
+
+        Signal InvalidOperation if either self or other is a (quiet
+        or signaling) NaN.  Signaling NaNs take precedence over quiet
+        NaNs.
+
+        Return 0 if neither operand is a NaN.
+
+        """
+        if context is None:
+            context = getcontext()
+
+        if self._is_special or other._is_special:
+            if self.is_snan():
+                return context._raise_error(InvalidOperation,
+                                            'comparison involving sNaN',
+                                            self)
+            elif other.is_snan():
+                return context._raise_error(InvalidOperation,
+                                            'comparison involving sNaN',
+                                            other)
+            elif self.is_qnan():
+                return context._raise_error(InvalidOperation,
+                                            'comparison involving NaN',
+                                            self)
+            elif other.is_qnan():
+                return context._raise_error(InvalidOperation,
+                                            'comparison involving NaN',
+                                            other)
+        return 0
+
+    def __bool__(self):
+        """Return True if self is nonzero; otherwise return False.
+
+        NaNs and infinities are considered nonzero.
+        """
+        return self._is_special or self._int != '0'
+
+    def _cmp(self, other):
+        """Compare the two non-NaN decimal instances self and other.
+
+        Returns -1 if self < other, 0 if self == other and 1
+        if self > other.  This routine is for internal use only."""
+
+        if self._is_special or other._is_special:
+            self_inf = self._isinfinity()
+            other_inf = other._isinfinity()
+            if self_inf == other_inf:
+                return 0
+            elif self_inf < other_inf:
+                return -1
+            else:
+                return 1
+
+        # check for zeros;  Decimal('0') == Decimal('-0')
+        if not self:
+            if not other:
+                return 0
+            else:
+                return -((-1)**other._sign)
+        if not other:
+            return (-1)**self._sign
+
+        # If different signs, neg one is less
+        if other._sign < self._sign:
+            return -1
+        if self._sign < other._sign:
+            return 1
+
+        self_adjusted = self.adjusted()
+        other_adjusted = other.adjusted()
+        if self_adjusted == other_adjusted:
+            self_padded = self._int + '0'*(self._exp - other._exp)
+            other_padded = other._int + '0'*(other._exp - self._exp)
+            if self_padded == other_padded:
+                return 0
+            elif self_padded < other_padded:
+                return -(-1)**self._sign
+            else:
+                return (-1)**self._sign
+        elif self_adjusted > other_adjusted:
+            return (-1)**self._sign
+        else: # self_adjusted < other_adjusted
+            return -((-1)**self._sign)
+
+    # Note: The Decimal standard doesn't cover rich comparisons for
+    # Decimals.  In particular, the specification is silent on the
+    # subject of what should happen for a comparison involving a NaN.
+    # We take the following approach:
+    #
+    #   == comparisons involving a quiet NaN always return False
+    #   != comparisons involving a quiet NaN always return True
+    #   == or != comparisons involving a signaling NaN signal
+    #      InvalidOperation, and return False or True as above if the
+    #      InvalidOperation is not trapped.
+    #   <, >, <= and >= comparisons involving a (quiet or signaling)
+    #      NaN signal InvalidOperation, and return False if the
+    #      InvalidOperation is not trapped.
+    #
+    # This behavior is designed to conform as closely as possible to
+    # that specified by IEEE 754.
+
+    def __eq__(self, other, context=None):
+        self, other = _convert_for_comparison(self, other, equality_op=True)
+        if other is NotImplemented:
+            return other
+        if self._check_nans(other, context):
+            return False
+        return self._cmp(other) == 0
+
+    def __lt__(self, other, context=None):
+        self, other = _convert_for_comparison(self, other)
+        if other is NotImplemented:
+            return other
+        ans = self._compare_check_nans(other, context)
+        if ans:
+            return False
+        return self._cmp(other) < 0
+
+    def __le__(self, other, context=None):
+        self, other = _convert_for_comparison(self, other)
+        if other is NotImplemented:
+            return other
+        ans = self._compare_check_nans(other, context)
+        if ans:
+            return False
+        return self._cmp(other) <= 0
+
+    def __gt__(self, other, context=None):
+        self, other = _convert_for_comparison(self, other)
+        if other is NotImplemented:
+            return other
+        ans = self._compare_check_nans(other, context)
+        if ans:
+            return False
+        return self._cmp(other) > 0
+
+    def __ge__(self, other, context=None):
+        self, other = _convert_for_comparison(self, other)
+        if other is NotImplemented:
+            return other
+        ans = self._compare_check_nans(other, context)
+        if ans:
+            return False
+        return self._cmp(other) >= 0
+
+    def compare(self, other, context=None):
+        """Compare self to other.  Return a decimal value:
+
+        a or b is a NaN ==> Decimal('NaN')
+        a < b           ==> Decimal('-1')
+        a == b          ==> Decimal('0')
+        a > b           ==> Decimal('1')
+        """
+        other = _convert_other(other, raiseit=True)
+
+        # Compare(NaN, NaN) = NaN
+        if (self._is_special or other and other._is_special):
+            ans = self._check_nans(other, context)
+            if ans:
+                return ans
+
+        return Decimal(self._cmp(other))
+
+    def __hash__(self):
+        """x.__hash__() <==> hash(x)"""
+
+        # In order to make sure that the hash of a Decimal instance
+        # agrees with the hash of a numerically equal integer, float
+        # or Fraction, we follow the rules for numeric hashes outlined
+        # in the documentation.  (See library docs, 'Built-in Types').
+        if self._is_special:
+            if self.is_snan():
+                raise TypeError('Cannot hash a signaling NaN value.')
+            elif self.is_nan():
+                return _PyHASH_NAN
+            else:
+                if self._sign:
+                    return -_PyHASH_INF
+                else:
+                    return _PyHASH_INF
+
+        if self._exp >= 0:
+            exp_hash = pow(10, self._exp, _PyHASH_MODULUS)
+        else:
+            exp_hash = pow(_PyHASH_10INV, -self._exp, _PyHASH_MODULUS)
+        hash_ = int(self._int) * exp_hash % _PyHASH_MODULUS
+        ans = hash_ if self >= 0 else -hash_
+        return -2 if ans == -1 else ans
+
+    def as_tuple(self):
+        """Represents the number as a triple tuple.
+
+        To show the internals exactly as they are.
+        """
+        return DecimalTuple(self._sign, tuple(map(int, self._int)), self._exp)
+
+    def __repr__(self):
+        """Represents the number as an instance of Decimal."""
+        # Invariant:  eval(repr(d)) == d
+        return "Decimal('%s')" % str(self)
+
+    def __str__(self, eng=False, context=None):
+        """Return string representation of the number in scientific notation.
+
+        Captures all of the information in the underlying representation.
+        """
+
+        sign = ['', '-'][self._sign]
+        if self._is_special:
+            if self._exp == 'F':
+                return sign + 'Infinity'
+            elif self._exp == 'n':
+                return sign + 'NaN' + self._int
+            else: # self._exp == 'N'
+                return sign + 'sNaN' + self._int
+
+        # number of digits of self._int to left of decimal point
+        leftdigits = self._exp + len(self._int)
+
+        # dotplace is number of digits of self._int to the left of the
+        # decimal point in the mantissa of the output string (that is,
+        # after adjusting the exponent)
+        if self._exp <= 0 and leftdigits > -6:
+            # no exponent required
+            dotplace = leftdigits
+        elif not eng:
+            # usual scientific notation: 1 digit on left of the point
+            dotplace = 1
+        elif self._int == '0':
+            # engineering notation, zero
+            dotplace = (leftdigits + 1) % 3 - 1
+        else:
+            # engineering notation, nonzero
+            dotplace = (leftdigits - 1) % 3 + 1
+
+        if dotplace <= 0:
+            intpart = '0'
+            fracpart = '.' + '0'*(-dotplace) + self._int
+        elif dotplace >= len(self._int):
+            intpart = self._int+'0'*(dotplace-len(self._int))
+            fracpart = ''
+        else:
+            intpart = self._int[:dotplace]
+            fracpart = '.' + self._int[dotplace:]
+        if leftdigits == dotplace:
+            exp = ''
+        else:
+            if context is None:
+                context = getcontext()
+            exp = ['e', 'E'][context.capitals] + "%+d" % (leftdigits-dotplace)
+
+        return sign + intpart + fracpart + exp
+
+    def to_eng_string(self, context=None):
+        """Convert to engineering-type string.
+
+        Engineering notation has an exponent which is a multiple of 3, so there
+        are up to 3 digits left of the decimal place.
+
+        Same rules for when in exponential and when as a value as in __str__.
+        """
+        return self.__str__(eng=True, context=context)
+
+    def __neg__(self, context=None):
+        """Returns a copy with the sign switched.
+
+        Rounds, if it has reason.
+        """
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+
+        if context is None:
+            context = getcontext()
+
+        if not self and context.rounding != ROUND_FLOOR:
+            # -Decimal('0') is Decimal('0'), not Decimal('-0'), except
+            # in ROUND_FLOOR rounding mode.
+            ans = self.copy_abs()
+        else:
+            ans = self.copy_negate()
+
+        return ans._fix(context)
+
+    def __pos__(self, context=None):
+        """Returns a copy, unless it is a sNaN.
+
+        Rounds the number (if more then precision digits)
+        """
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+
+        if context is None:
+            context = getcontext()
+
+        if not self and context.rounding != ROUND_FLOOR:
+            # + (-0) = 0, except in ROUND_FLOOR rounding mode.
+            ans = self.copy_abs()
+        else:
+            ans = Decimal(self)
+
+        return ans._fix(context)
+
+    def __abs__(self, round=True, context=None):
+        """Returns the absolute value of self.
+
+        If the keyword argument 'round' is false, do not round.  The
+        expression self.__abs__(round=False) is equivalent to
+        self.copy_abs().
+        """
+        if not round:
+            return self.copy_abs()
+
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+
+        if self._sign:
+            ans = self.__neg__(context=context)
+        else:
+            ans = self.__pos__(context=context)
+
+        return ans
+
+    def __add__(self, other, context=None):
+        """Returns self + other.
+
+        -INF + INF (or the reverse) cause InvalidOperation errors.
+        """
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if context is None:
+            context = getcontext()
+
+        if self._is_special or other._is_special:
+            ans = self._check_nans(other, context)
+            if ans:
+                return ans
+
+            if self._isinfinity():
+                # If both INF, same sign => same as both, opposite => error.
+                if self._sign != other._sign and other._isinfinity():
+                    return context._raise_error(InvalidOperation, '-INF + INF')
+                return Decimal(self)
+            if other._isinfinity():
+                return Decimal(other)  # Can't both be infinity here
+
+        exp = min(self._exp, other._exp)
+        negativezero = 0
+        if context.rounding == ROUND_FLOOR and self._sign != other._sign:
+            # If the answer is 0, the sign should be negative, in this case.
+            negativezero = 1
+
+        if not self and not other:
+            sign = min(self._sign, other._sign)
+            if negativezero:
+                sign = 1
+            ans = _dec_from_triple(sign, '0', exp)
+            ans = ans._fix(context)
+            return ans
+        if not self:
+            exp = max(exp, other._exp - context.prec-1)
+            ans = other._rescale(exp, context.rounding)
+            ans = ans._fix(context)
+            return ans
+        if not other:
+            exp = max(exp, self._exp - context.prec-1)
+            ans = self._rescale(exp, context.rounding)
+            ans = ans._fix(context)
+            return ans
+
+        op1 = _WorkRep(self)
+        op2 = _WorkRep(other)
+        op1, op2 = _normalize(op1, op2, context.prec)
+
+        result = _WorkRep()
+        if op1.sign != op2.sign:
+            # Equal and opposite
+            if op1.int == op2.int:
+                ans = _dec_from_triple(negativezero, '0', exp)
+                ans = ans._fix(context)
+                return ans
+            if op1.int < op2.int:
+                op1, op2 = op2, op1
+                # OK, now abs(op1) > abs(op2)
+            if op1.sign == 1:
+                result.sign = 1
+                op1.sign, op2.sign = op2.sign, op1.sign
+            else:
+                result.sign = 0
+                # So we know the sign, and op1 > 0.
+        elif op1.sign == 1:
+            result.sign = 1
+            op1.sign, op2.sign = (0, 0)
+        else:
+            result.sign = 0
+        # Now, op1 > abs(op2) > 0
+
+        if op2.sign == 0:
+            result.int = op1.int + op2.int
+        else:
+            result.int = op1.int - op2.int
+
+        result.exp = op1.exp
+        ans = Decimal(result)
+        ans = ans._fix(context)
+        return ans
+
+    __radd__ = __add__
+
+    def __sub__(self, other, context=None):
+        """Return self - other"""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if self._is_special or other._is_special:
+            ans = self._check_nans(other, context=context)
+            if ans:
+                return ans
+
+        # self - other is computed as self + other.copy_negate()
+        return self.__add__(other.copy_negate(), context=context)
+
+    def __rsub__(self, other, context=None):
+        """Return other - self"""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        return other.__sub__(self, context=context)
+
+    def __mul__(self, other, context=None):
+        """Return self * other.
+
+        (+-) INF * 0 (or its reverse) raise InvalidOperation.
+        """
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if context is None:
+            context = getcontext()
+
+        resultsign = self._sign ^ other._sign
+
+        if self._is_special or other._is_special:
+            ans = self._check_nans(other, context)
+            if ans:
+                return ans
+
+            if self._isinfinity():
+                if not other:
+                    return context._raise_error(InvalidOperation, '(+-)INF * 0')
+                return _SignedInfinity[resultsign]
+
+            if other._isinfinity():
+                if not self:
+                    return context._raise_error(InvalidOperation, '0 * (+-)INF')
+                return _SignedInfinity[resultsign]
+
+        resultexp = self._exp + other._exp
+
+        # Special case for multiplying by zero
+        if not self or not other:
+            ans = _dec_from_triple(resultsign, '0', resultexp)
+            # Fixing in case the exponent is out of bounds
+            ans = ans._fix(context)
+            return ans
+
+        # Special case for multiplying by power of 10
+        if self._int == '1':
+            ans = _dec_from_triple(resultsign, other._int, resultexp)
+            ans = ans._fix(context)
+            return ans
+        if other._int == '1':
+            ans = _dec_from_triple(resultsign, self._int, resultexp)
+            ans = ans._fix(context)
+            return ans
+
+        op1 = _WorkRep(self)
+        op2 = _WorkRep(other)
+
+        ans = _dec_from_triple(resultsign, str(op1.int * op2.int), resultexp)
+        ans = ans._fix(context)
+
+        return ans
+    __rmul__ = __mul__
+
+    def __truediv__(self, other, context=None):
+        """Return self / other."""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return NotImplemented
+
+        if context is None:
+            context = getcontext()
+
+        sign = self._sign ^ other._sign
+
+        if self._is_special or other._is_special:
+            ans = self._check_nans(other, context)
+            if ans:
+                return ans
+
+            if self._isinfinity() and other._isinfinity():
+                return context._raise_error(InvalidOperation, '(+-)INF/(+-)INF')
+
+            if self._isinfinity():
+                return _SignedInfinity[sign]
+
+            if other._isinfinity():
+                context._raise_error(Clamped, 'Division by infinity')
+                return _dec_from_triple(sign, '0', context.Etiny())
+
+        # Special cases for zeroes
+        if not other:
+            if not self:
+                return context._raise_error(DivisionUndefined, '0 / 0')
+            return context._raise_error(DivisionByZero, 'x / 0', sign)
+
+        if not self:
+            exp = self._exp - other._exp
+            coeff = 0
+        else:
+            # OK, so neither = 0, INF or NaN
+            shift = len(other._int) - len(self._int) + context.prec + 1
+            exp = self._exp - other._exp - shift
+            op1 = _WorkRep(self)
+            op2 = _WorkRep(other)
+            if shift >= 0:
+                coeff, remainder = divmod(op1.int * 10**shift, op2.int)
+            else:
+                coeff, remainder = divmod(op1.int, op2.int * 10**-shift)
+            if remainder:
+                # result is not exact; adjust to ensure correct rounding
+                if coeff % 5 == 0:
+                    coeff += 1
+            else:
+                # result is exact; get as close to ideal exponent as possible
+                ideal_exp = self._exp - other._exp
+                while exp < ideal_exp and coeff % 10 == 0:
+                    coeff //= 10
+                    exp += 1
+
+        ans = _dec_from_triple(sign, str(coeff), exp)
+        return ans._fix(context)
+
+    def _divide(self, other, context):
+        """Return (self // other, self % other), to context.prec precision.
+
+        Assumes that neither self nor other is a NaN, that self is not
+        infinite and that other is nonzero.
+        """
+        sign = self._sign ^ other._sign
+        if other._isinfinity():
+            ideal_exp = self._exp
+        else:
+            ideal_exp = min(self._exp, other._exp)
+
+        expdiff = self.adjusted() - other.adjusted()
+        if not self or other._isinfinity() or expdiff <= -2:
+            return (_dec_from_triple(sign, '0', 0),
+                    self._rescale(ideal_exp, context.rounding))
+        if expdiff <= context.prec:
+            op1 = _WorkRep(self)
+            op2 = _WorkRep(other)
+            if op1.exp >= op2.exp:
+                op1.int *= 10**(op1.exp - op2.exp)
+            else:
+                op2.int *= 10**(op2.exp - op1.exp)
+            q, r = divmod(op1.int, op2.int)
+            if q < 10**context.prec:
+                return (_dec_from_triple(sign, str(q), 0),
+                        _dec_from_triple(self._sign, str(r), ideal_exp))
+
+        # Here the quotient is too large to be representable
+        ans = context._raise_error(DivisionImpossible,
+                                   'quotient too large in //, % or divmod')
+        return ans, ans
+
+    def __rtruediv__(self, other, context=None):
+        """Swaps self/other and returns __truediv__."""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+        return other.__truediv__(self, context=context)
+
+    def __divmod__(self, other, context=None):
+        """
+        Return (self // other, self % other)
+        """
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if context is None:
+            context = getcontext()
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return (ans, ans)
+
+        sign = self._sign ^ other._sign
+        if self._isinfinity():
+            if other._isinfinity():
+                ans = context._raise_error(InvalidOperation, 'divmod(INF, INF)')
+                return ans, ans
+            else:
+                return (_SignedInfinity[sign],
+                        context._raise_error(InvalidOperation, 'INF % x'))
+
+        if not other:
+            if not self:
+                ans = context._raise_error(DivisionUndefined, 'divmod(0, 0)')
+                return ans, ans
+            else:
+                return (context._raise_error(DivisionByZero, 'x // 0', sign),
+                        context._raise_error(InvalidOperation, 'x % 0'))
+
+        quotient, remainder = self._divide(other, context)
+        remainder = remainder._fix(context)
+        return quotient, remainder
+
+    def __rdivmod__(self, other, context=None):
+        """Swaps self/other and returns __divmod__."""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+        return other.__divmod__(self, context=context)
+
+    def __mod__(self, other, context=None):
+        """
+        self % other
+        """
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if context is None:
+            context = getcontext()
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        if self._isinfinity():
+            return context._raise_error(InvalidOperation, 'INF % x')
+        elif not other:
+            if self:
+                return context._raise_error(InvalidOperation, 'x % 0')
+            else:
+                return context._raise_error(DivisionUndefined, '0 % 0')
+
+        remainder = self._divide(other, context)[1]
+        remainder = remainder._fix(context)
+        return remainder
+
+    def __rmod__(self, other, context=None):
+        """Swaps self/other and returns __mod__."""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+        return other.__mod__(self, context=context)
+
+    def remainder_near(self, other, context=None):
+        """
+        Remainder nearest to 0-  abs(remainder-near) <= other/2
+        """
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        # self == +/-infinity -> InvalidOperation
+        if self._isinfinity():
+            return context._raise_error(InvalidOperation,
+                                        'remainder_near(infinity, x)')
+
+        # other == 0 -> either InvalidOperation or DivisionUndefined
+        if not other:
+            if self:
+                return context._raise_error(InvalidOperation,
+                                            'remainder_near(x, 0)')
+            else:
+                return context._raise_error(DivisionUndefined,
+                                            'remainder_near(0, 0)')
+
+        # other = +/-infinity -> remainder = self
+        if other._isinfinity():
+            ans = Decimal(self)
+            return ans._fix(context)
+
+        # self = 0 -> remainder = self, with ideal exponent
+        ideal_exponent = min(self._exp, other._exp)
+        if not self:
+            ans = _dec_from_triple(self._sign, '0', ideal_exponent)
+            return ans._fix(context)
+
+        # catch most cases of large or small quotient
+        expdiff = self.adjusted() - other.adjusted()
+        if expdiff >= context.prec + 1:
+            # expdiff >= prec+1 => abs(self/other) > 10**prec
+            return context._raise_error(DivisionImpossible)
+        if expdiff <= -2:
+            # expdiff <= -2 => abs(self/other) < 0.1
+            ans = self._rescale(ideal_exponent, context.rounding)
+            return ans._fix(context)
+
+        # adjust both arguments to have the same exponent, then divide
+        op1 = _WorkRep(self)
+        op2 = _WorkRep(other)
+        if op1.exp >= op2.exp:
+            op1.int *= 10**(op1.exp - op2.exp)
+        else:
+            op2.int *= 10**(op2.exp - op1.exp)
+        q, r = divmod(op1.int, op2.int)
+        # remainder is r*10**ideal_exponent; other is +/-op2.int *
+        # 10**ideal_exponent.   Apply correction to ensure that
+        # abs(remainder) <= abs(other)/2
+        if 2*r + (q&1) > op2.int:
+            r -= op2.int
+            q += 1
+
+        if q >= 10**context.prec:
+            return context._raise_error(DivisionImpossible)
+
+        # result has same sign as self unless r is negative
+        sign = self._sign
+        if r < 0:
+            sign = 1-sign
+            r = -r
+
+        ans = _dec_from_triple(sign, str(r), ideal_exponent)
+        return ans._fix(context)
+
+    def __floordiv__(self, other, context=None):
+        """self // other"""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if context is None:
+            context = getcontext()
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        if self._isinfinity():
+            if other._isinfinity():
+                return context._raise_error(InvalidOperation, 'INF // INF')
+            else:
+                return _SignedInfinity[self._sign ^ other._sign]
+
+        if not other:
+            if self:
+                return context._raise_error(DivisionByZero, 'x // 0',
+                                            self._sign ^ other._sign)
+            else:
+                return context._raise_error(DivisionUndefined, '0 // 0')
+
+        return self._divide(other, context)[0]
+
+    def __rfloordiv__(self, other, context=None):
+        """Swaps self/other and returns __floordiv__."""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+        return other.__floordiv__(self, context=context)
+
+    def __float__(self):
+        """Float representation."""
+        if self._isnan():
+            if self.is_snan():
+                raise ValueError("Cannot convert signaling NaN to float")
+            s = "-nan" if self._sign else "nan"
+        else:
+            s = str(self)
+        return float(s)
+
+    def __int__(self):
+        """Converts self to an int, truncating if necessary."""
+        if self._is_special:
+            if self._isnan():
+                raise ValueError("Cannot convert NaN to integer")
+            elif self._isinfinity():
+                raise OverflowError("Cannot convert infinity to integer")
+        s = (-1)**self._sign
+        if self._exp >= 0:
+            return s*int(self._int)*10**self._exp
+        else:
+            return s*int(self._int[:self._exp] or '0')
+
+    __trunc__ = __int__
+
+    def real(self):
+        return self
+    real = property(real)
+
+    def imag(self):
+        return Decimal(0)
+    imag = property(imag)
+
+    def conjugate(self):
+        return self
+
+    def __complex__(self):
+        return complex(float(self))
+
+    def _fix_nan(self, context):
+        """Decapitate the payload of a NaN to fit the context"""
+        payload = self._int
+
+        # maximum length of payload is precision if clamp=0,
+        # precision-1 if clamp=1.
+        max_payload_len = context.prec - context.clamp
+        if len(payload) > max_payload_len:
+            payload = payload[len(payload)-max_payload_len:].lstrip('0')
+            return _dec_from_triple(self._sign, payload, self._exp, True)
+        return Decimal(self)
+
+    def _fix(self, context):
+        """Round if it is necessary to keep self within prec precision.
+
+        Rounds and fixes the exponent.  Does not raise on a sNaN.
+
+        Arguments:
+        self - Decimal instance
+        context - context used.
+        """
+
+        if self._is_special:
+            if self._isnan():
+                # decapitate payload if necessary
+                return self._fix_nan(context)
+            else:
+                # self is +/-Infinity; return unaltered
+                return Decimal(self)
+
+        # if self is zero then exponent should be between Etiny and
+        # Emax if clamp==0, and between Etiny and Etop if clamp==1.
+        Etiny = context.Etiny()
+        Etop = context.Etop()
+        if not self:
+            exp_max = [context.Emax, Etop][context.clamp]
+            new_exp = min(max(self._exp, Etiny), exp_max)
+            if new_exp != self._exp:
+                context._raise_error(Clamped)
+                return _dec_from_triple(self._sign, '0', new_exp)
+            else:
+                return Decimal(self)
+
+        # exp_min is the smallest allowable exponent of the result,
+        # equal to max(self.adjusted()-context.prec+1, Etiny)
+        exp_min = len(self._int) + self._exp - context.prec
+        if exp_min > Etop:
+            # overflow: exp_min > Etop iff self.adjusted() > Emax
+            ans = context._raise_error(Overflow, 'above Emax', self._sign)
+            context._raise_error(Inexact)
+            context._raise_error(Rounded)
+            return ans
+
+        self_is_subnormal = exp_min < Etiny
+        if self_is_subnormal:
+            exp_min = Etiny
+
+        # round if self has too many digits
+        if self._exp < exp_min:
+            digits = len(self._int) + self._exp - exp_min
+            if digits < 0:
+                self = _dec_from_triple(self._sign, '1', exp_min-1)
+                digits = 0
+            rounding_method = self._pick_rounding_function[context.rounding]
+            changed = rounding_method(self, digits)
+            coeff = self._int[:digits] or '0'
+            if changed > 0:
+                coeff = str(int(coeff)+1)
+                if len(coeff) > context.prec:
+                    coeff = coeff[:-1]
+                    exp_min += 1
+
+            # check whether the rounding pushed the exponent out of range
+            if exp_min > Etop:
+                ans = context._raise_error(Overflow, 'above Emax', self._sign)
+            else:
+                ans = _dec_from_triple(self._sign, coeff, exp_min)
+
+            # raise the appropriate signals, taking care to respect
+            # the precedence described in the specification
+            if changed and self_is_subnormal:
+                context._raise_error(Underflow)
+            if self_is_subnormal:
+                context._raise_error(Subnormal)
+            if changed:
+                context._raise_error(Inexact)
+            context._raise_error(Rounded)
+            if not ans:
+                # raise Clamped on underflow to 0
+                context._raise_error(Clamped)
+            return ans
+
+        if self_is_subnormal:
+            context._raise_error(Subnormal)
+
+        # fold down if clamp == 1 and self has too few digits
+        if context.clamp == 1 and self._exp > Etop:
+            context._raise_error(Clamped)
+            self_padded = self._int + '0'*(self._exp - Etop)
+            return _dec_from_triple(self._sign, self_padded, Etop)
+
+        # here self was representable to begin with; return unchanged
+        return Decimal(self)
+
+    # for each of the rounding functions below:
+    #   self is a finite, nonzero Decimal
+    #   prec is an integer satisfying 0 <= prec < len(self._int)
+    #
+    # each function returns either -1, 0, or 1, as follows:
+    #   1 indicates that self should be rounded up (away from zero)
+    #   0 indicates that self should be truncated, and that all the
+    #     digits to be truncated are zeros (so the value is unchanged)
+    #  -1 indicates that there are nonzero digits to be truncated
+
+    def _round_down(self, prec):
+        """Also known as round-towards-0, truncate."""
+        if _all_zeros(self._int, prec):
+            return 0
+        else:
+            return -1
+
+    def _round_up(self, prec):
+        """Rounds away from 0."""
+        return -self._round_down(prec)
+
+    def _round_half_up(self, prec):
+        """Rounds 5 up (away from 0)"""
+        if self._int[prec] in '56789':
+            return 1
+        elif _all_zeros(self._int, prec):
+            return 0
+        else:
+            return -1
+
+    def _round_half_down(self, prec):
+        """Round 5 down"""
+        if _exact_half(self._int, prec):
+            return -1
+        else:
+            return self._round_half_up(prec)
+
+    def _round_half_even(self, prec):
+        """Round 5 to even, rest to nearest."""
+        if _exact_half(self._int, prec) and \
+                (prec == 0 or self._int[prec-1] in '02468'):
+            return -1
+        else:
+            return self._round_half_up(prec)
+
+    def _round_ceiling(self, prec):
+        """Rounds up (not away from 0 if negative.)"""
+        if self._sign:
+            return self._round_down(prec)
+        else:
+            return -self._round_down(prec)
+
+    def _round_floor(self, prec):
+        """Rounds down (not towards 0 if negative)"""
+        if not self._sign:
+            return self._round_down(prec)
+        else:
+            return -self._round_down(prec)
+
+    def _round_05up(self, prec):
+        """Round down unless digit prec-1 is 0 or 5."""
+        if prec and self._int[prec-1] not in '05':
+            return self._round_down(prec)
+        else:
+            return -self._round_down(prec)
+
+    _pick_rounding_function = dict(
+        ROUND_DOWN = _round_down,
+        ROUND_UP = _round_up,
+        ROUND_HALF_UP = _round_half_up,
+        ROUND_HALF_DOWN = _round_half_down,
+        ROUND_HALF_EVEN = _round_half_even,
+        ROUND_CEILING = _round_ceiling,
+        ROUND_FLOOR = _round_floor,
+        ROUND_05UP = _round_05up,
+    )
+
+    def __round__(self, n=None):
+        """Round self to the nearest integer, or to a given precision.
+
+        If only one argument is supplied, round a finite Decimal
+        instance self to the nearest integer.  If self is infinite or
+        a NaN then a Python exception is raised.  If self is finite
+        and lies exactly halfway between two integers then it is
+        rounded to the integer with even last digit.
+
+        >>> round(Decimal('123.456'))
+        123
+        >>> round(Decimal('-456.789'))
+        -457
+        >>> round(Decimal('-3.0'))
+        -3
+        >>> round(Decimal('2.5'))
+        2
+        >>> round(Decimal('3.5'))
+        4
+        >>> round(Decimal('Inf'))
+        Traceback (most recent call last):
+          ...
+        OverflowError: cannot round an infinity
+        >>> round(Decimal('NaN'))
+        Traceback (most recent call last):
+          ...
+        ValueError: cannot round a NaN
+
+        If a second argument n is supplied, self is rounded to n
+        decimal places using the rounding mode for the current
+        context.
+
+        For an integer n, round(self, -n) is exactly equivalent to
+        self.quantize(Decimal('1En')).
+
+        >>> round(Decimal('123.456'), 0)
+        Decimal('123')
+        >>> round(Decimal('123.456'), 2)
+        Decimal('123.46')
+        >>> round(Decimal('123.456'), -2)
+        Decimal('1E+2')
+        >>> round(Decimal('-Infinity'), 37)
+        Decimal('NaN')
+        >>> round(Decimal('sNaN123'), 0)
+        Decimal('NaN123')
+
+        """
+        if n is not None:
+            # two-argument form: use the equivalent quantize call
+            if not isinstance(n, int):
+                raise TypeError('Second argument to round should be integral')
+            exp = _dec_from_triple(0, '1', -n)
+            return self.quantize(exp)
+
+        # one-argument form
+        if self._is_special:
+            if self.is_nan():
+                raise ValueError("cannot round a NaN")
+            else:
+                raise OverflowError("cannot round an infinity")
+        return int(self._rescale(0, ROUND_HALF_EVEN))
+
+    def __floor__(self):
+        """Return the floor of self, as an integer.
+
+        For a finite Decimal instance self, return the greatest
+        integer n such that n <= self.  If self is infinite or a NaN
+        then a Python exception is raised.
+
+        """
+        if self._is_special:
+            if self.is_nan():
+                raise ValueError("cannot round a NaN")
+            else:
+                raise OverflowError("cannot round an infinity")
+        return int(self._rescale(0, ROUND_FLOOR))
+
+    def __ceil__(self):
+        """Return the ceiling of self, as an integer.
+
+        For a finite Decimal instance self, return the least integer n
+        such that n >= self.  If self is infinite or a NaN then a
+        Python exception is raised.
+
+        """
+        if self._is_special:
+            if self.is_nan():
+                raise ValueError("cannot round a NaN")
+            else:
+                raise OverflowError("cannot round an infinity")
+        return int(self._rescale(0, ROUND_CEILING))
+
+    def fma(self, other, third, context=None):
+        """Fused multiply-add.
+
+        Returns self*other+third with no rounding of the intermediate
+        product self*other.
+
+        self and other are multiplied together, with no rounding of
+        the result.  The third operand is then added to the result,
+        and a single final rounding is performed.
+        """
+
+        other = _convert_other(other, raiseit=True)
+        third = _convert_other(third, raiseit=True)
+
+        # compute product; raise InvalidOperation if either operand is
+        # a signaling NaN or if the product is zero times infinity.
+        if self._is_special or other._is_special:
+            if context is None:
+                context = getcontext()
+            if self._exp == 'N':
+                return context._raise_error(InvalidOperation, 'sNaN', self)
+            if other._exp == 'N':
+                return context._raise_error(InvalidOperation, 'sNaN', other)
+            if self._exp == 'n':
+                product = self
+            elif other._exp == 'n':
+                product = other
+            elif self._exp == 'F':
+                if not other:
+                    return context._raise_error(InvalidOperation,
+                                                'INF * 0 in fma')
+                product = _SignedInfinity[self._sign ^ other._sign]
+            elif other._exp == 'F':
+                if not self:
+                    return context._raise_error(InvalidOperation,
+                                                '0 * INF in fma')
+                product = _SignedInfinity[self._sign ^ other._sign]
+        else:
+            product = _dec_from_triple(self._sign ^ other._sign,
+                                       str(int(self._int) * int(other._int)),
+                                       self._exp + other._exp)
+
+        return product.__add__(third, context)
+
+    def _power_modulo(self, other, modulo, context=None):
+        """Three argument version of __pow__"""
+
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+        modulo = _convert_other(modulo)
+        if modulo is NotImplemented:
+            return modulo
+
+        if context is None:
+            context = getcontext()
+
+        # deal with NaNs: if there are any sNaNs then first one wins,
+        # (i.e. behaviour for NaNs is identical to that of fma)
+        self_is_nan = self._isnan()
+        other_is_nan = other._isnan()
+        modulo_is_nan = modulo._isnan()
+        if self_is_nan or other_is_nan or modulo_is_nan:
+            if self_is_nan == 2:
+                return context._raise_error(InvalidOperation, 'sNaN',
+                                        self)
+            if other_is_nan == 2:
+                return context._raise_error(InvalidOperation, 'sNaN',
+                                        other)
+            if modulo_is_nan == 2:
+                return context._raise_error(InvalidOperation, 'sNaN',
+                                        modulo)
+            if self_is_nan:
+                return self._fix_nan(context)
+            if other_is_nan:
+                return other._fix_nan(context)
+            return modulo._fix_nan(context)
+
+        # check inputs: we apply same restrictions as Python's pow()
+        if not (self._isinteger() and
+                other._isinteger() and
+                modulo._isinteger()):
+            return context._raise_error(InvalidOperation,
+                                        'pow() 3rd argument not allowed '
+                                        'unless all arguments are integers')
+        if other < 0:
+            return context._raise_error(InvalidOperation,
+                                        'pow() 2nd argument cannot be '
+                                        'negative when 3rd argument specified')
+        if not modulo:
+            return context._raise_error(InvalidOperation,
+                                        'pow() 3rd argument cannot be 0')
+
+        # additional restriction for decimal: the modulus must be less
+        # than 10**prec in absolute value
+        if modulo.adjusted() >= context.prec:
+            return context._raise_error(InvalidOperation,
+                                        'insufficient precision: pow() 3rd '
+                                        'argument must not have more than '
+                                        'precision digits')
+
+        # define 0**0 == NaN, for consistency with two-argument pow
+        # (even though it hurts!)
+        if not other and not self:
+            return context._raise_error(InvalidOperation,
+                                        'at least one of pow() 1st argument '
+                                        'and 2nd argument must be nonzero ;'
+                                        '0**0 is not defined')
+
+        # compute sign of result
+        if other._iseven():
+            sign = 0
+        else:
+            sign = self._sign
+
+        # convert modulo to a Python integer, and self and other to
+        # Decimal integers (i.e. force their exponents to be >= 0)
+        modulo = abs(int(modulo))
+        base = _WorkRep(self.to_integral_value())
+        exponent = _WorkRep(other.to_integral_value())
+
+        # compute result using integer pow()
+        base = (base.int % modulo * pow(10, base.exp, modulo)) % modulo
+        for i in range(exponent.exp):
+            base = pow(base, 10, modulo)
+        base = pow(base, exponent.int, modulo)
+
+        return _dec_from_triple(sign, str(base), 0)
+
+    def _power_exact(self, other, p):
+        """Attempt to compute self**other exactly.
+
+        Given Decimals self and other and an integer p, attempt to
+        compute an exact result for the power self**other, with p
+        digits of precision.  Return None if self**other is not
+        exactly representable in p digits.
+
+        Assumes that elimination of special cases has already been
+        performed: self and other must both be nonspecial; self must
+        be positive and not numerically equal to 1; other must be
+        nonzero.  For efficiency, other._exp should not be too large,
+        so that 10**abs(other._exp) is a feasible calculation."""
+
+        # In the comments below, we write x for the value of self and y for the
+        # value of other.  Write x = xc*10**xe and abs(y) = yc*10**ye, with xc
+        # and yc positive integers not divisible by 10.
+
+        # The main purpose of this method is to identify the *failure*
+        # of x**y to be exactly representable with as little effort as
+        # possible.  So we look for cheap and easy tests that
+        # eliminate the possibility of x**y being exact.  Only if all
+        # these tests are passed do we go on to actually compute x**y.
+
+        # Here's the main idea.  Express y as a rational number m/n, with m and
+        # n relatively prime and n>0.  Then for x**y to be exactly
+        # representable (at *any* precision), xc must be the nth power of a
+        # positive integer and xe must be divisible by n.  If y is negative
+        # then additionally xc must be a power of either 2 or 5, hence a power
+        # of 2**n or 5**n.
+        #
+        # There's a limit to how small |y| can be: if y=m/n as above
+        # then:
+        #
+        #  (1) if xc != 1 then for the result to be representable we
+        #      need xc**(1/n) >= 2, and hence also xc**|y| >= 2.  So
+        #      if |y| <= 1/nbits(xc) then xc < 2**nbits(xc) <=
+        #      2**(1/|y|), hence xc**|y| < 2 and the result is not
+        #      representable.
+        #
+        #  (2) if xe != 0, |xe|*(1/n) >= 1, so |xe|*|y| >= 1.  Hence if
+        #      |y| < 1/|xe| then the result is not representable.
+        #
+        # Note that since x is not equal to 1, at least one of (1) and
+        # (2) must apply.  Now |y| < 1/nbits(xc) iff |yc|*nbits(xc) <
+        # 10**-ye iff len(str(|yc|*nbits(xc)) <= -ye.
+        #
+        # There's also a limit to how large y can be, at least if it's
+        # positive: the normalized result will have coefficient xc**y,
+        # so if it's representable then xc**y < 10**p, and y <
+        # p/log10(xc).  Hence if y*log10(xc) >= p then the result is
+        # not exactly representable.
+
+        # if len(str(abs(yc*xe)) <= -ye then abs(yc*xe) < 10**-ye,
+        # so |y| < 1/xe and the result is not representable.
+        # Similarly, len(str(abs(yc)*xc_bits)) <= -ye implies |y|
+        # < 1/nbits(xc).
+
+        x = _WorkRep(self)
+        xc, xe = x.int, x.exp
+        while xc % 10 == 0:
+            xc //= 10
+            xe += 1
+
+        y = _WorkRep(other)
+        yc, ye = y.int, y.exp
+        while yc % 10 == 0:
+            yc //= 10
+            ye += 1
+
+        # case where xc == 1: result is 10**(xe*y), with xe*y
+        # required to be an integer
+        if xc == 1:
+            xe *= yc
+            # result is now 10**(xe * 10**ye);  xe * 10**ye must be integral
+            while xe % 10 == 0:
+                xe //= 10
+                ye += 1
+            if ye < 0:
+                return None
+            exponent = xe * 10**ye
+            if y.sign == 1:
+                exponent = -exponent
+            # if other is a nonnegative integer, use ideal exponent
+            if other._isinteger() and other._sign == 0:
+                ideal_exponent = self._exp*int(other)
+                zeros = min(exponent-ideal_exponent, p-1)
+            else:
+                zeros = 0
+            return _dec_from_triple(0, '1' + '0'*zeros, exponent-zeros)
+
+        # case where y is negative: xc must be either a power
+        # of 2 or a power of 5.
+        if y.sign == 1:
+            last_digit = xc % 10
+            if last_digit in (2,4,6,8):
+                # quick test for power of 2
+                if xc & -xc != xc:
+                    return None
+                # now xc is a power of 2; e is its exponent
+                e = _nbits(xc)-1
+
+                # We now have:
+                #
+                #   x = 2**e * 10**xe, e > 0, and y < 0.
+                #
+                # The exact result is:
+                #
+                #   x**y = 5**(-e*y) * 10**(e*y + xe*y)
+                #
+                # provided that both e*y and xe*y are integers.  Note that if
+                # 5**(-e*y) >= 10**p, then the result can't be expressed
+                # exactly with p digits of precision.
+                #
+                # Using the above, we can guard against large values of ye.
+                # 93/65 is an upper bound for log(10)/log(5), so if
+                #
+                #   ye >= len(str(93*p//65))
+                #
+                # then
+                #
+                #   -e*y >= -y >= 10**ye > 93*p/65 > p*log(10)/log(5),
+                #
+                # so 5**(-e*y) >= 10**p, and the coefficient of the result
+                # can't be expressed in p digits.
+
+                # emax >= largest e such that 5**e < 10**p.
+                emax = p*93//65
+                if ye >= len(str(emax)):
+                    return None
+
+                # Find -e*y and -xe*y; both must be integers
+                e = _decimal_lshift_exact(e * yc, ye)
+                xe = _decimal_lshift_exact(xe * yc, ye)
+                if e is None or xe is None:
+                    return None
+
+                if e > emax:
+                    return None
+                xc = 5**e
+
+            elif last_digit == 5:
+                # e >= log_5(xc) if xc is a power of 5; we have
+                # equality all the way up to xc=5**2658
+                e = _nbits(xc)*28//65
+                xc, remainder = divmod(5**e, xc)
+                if remainder:
+                    return None
+                while xc % 5 == 0:
+                    xc //= 5
+                    e -= 1
+
+                # Guard against large values of ye, using the same logic as in
+                # the 'xc is a power of 2' branch.  10/3 is an upper bound for
+                # log(10)/log(2).
+                emax = p*10//3
+                if ye >= len(str(emax)):
+                    return None
+
+                e = _decimal_lshift_exact(e * yc, ye)
+                xe = _decimal_lshift_exact(xe * yc, ye)
+                if e is None or xe is None:
+                    return None
+
+                if e > emax:
+                    return None
+                xc = 2**e
+            else:
+                return None
+
+            if xc >= 10**p:
+                return None
+            xe = -e-xe
+            return _dec_from_triple(0, str(xc), xe)
+
+        # now y is positive; find m and n such that y = m/n
+        if ye >= 0:
+            m, n = yc*10**ye, 1
+        else:
+            if xe != 0 and len(str(abs(yc*xe))) <= -ye:
+                return None
+            xc_bits = _nbits(xc)
+            if xc != 1 and len(str(abs(yc)*xc_bits)) <= -ye:
+                return None
+            m, n = yc, 10**(-ye)
+            while m % 2 == n % 2 == 0:
+                m //= 2
+                n //= 2
+            while m % 5 == n % 5 == 0:
+                m //= 5
+                n //= 5
+
+        # compute nth root of xc*10**xe
+        if n > 1:
+            # if 1 < xc < 2**n then xc isn't an nth power
+            if xc != 1 and xc_bits <= n:
+                return None
+
+            xe, rem = divmod(xe, n)
+            if rem != 0:
+                return None
+
+            # compute nth root of xc using Newton's method
+            a = 1 << -(-_nbits(xc)//n) # initial estimate
+            while True:
+                q, r = divmod(xc, a**(n-1))
+                if a <= q:
+                    break
+                else:
+                    a = (a*(n-1) + q)//n
+            if not (a == q and r == 0):
+                return None
+            xc = a
+
+        # now xc*10**xe is the nth root of the original xc*10**xe
+        # compute mth power of xc*10**xe
+
+        # if m > p*100//_log10_lb(xc) then m > p/log10(xc), hence xc**m >
+        # 10**p and the result is not representable.
+        if xc > 1 and m > p*100//_log10_lb(xc):
+            return None
+        xc = xc**m
+        xe *= m
+        if xc > 10**p:
+            return None
+
+        # by this point the result *is* exactly representable
+        # adjust the exponent to get as close as possible to the ideal
+        # exponent, if necessary
+        str_xc = str(xc)
+        if other._isinteger() and other._sign == 0:
+            ideal_exponent = self._exp*int(other)
+            zeros = min(xe-ideal_exponent, p-len(str_xc))
+        else:
+            zeros = 0
+        return _dec_from_triple(0, str_xc+'0'*zeros, xe-zeros)
+
+    def __pow__(self, other, modulo=None, context=None):
+        """Return self ** other [ % modulo].
+
+        With two arguments, compute self**other.
+
+        With three arguments, compute (self**other) % modulo.  For the
+        three argument form, the following restrictions on the
+        arguments hold:
+
+         - all three arguments must be integral
+         - other must be nonnegative
+         - either self or other (or both) must be nonzero
+         - modulo must be nonzero and must have at most p digits,
+           where p is the context precision.
+
+        If any of these restrictions is violated the InvalidOperation
+        flag is raised.
+
+        The result of pow(self, other, modulo) is identical to the
+        result that would be obtained by computing (self**other) %
+        modulo with unbounded precision, but is computed more
+        efficiently.  It is always exact.
+        """
+
+        if modulo is not None:
+            return self._power_modulo(other, modulo, context)
+
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+
+        if context is None:
+            context = getcontext()
+
+        # either argument is a NaN => result is NaN
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        # 0**0 = NaN (!), x**0 = 1 for nonzero x (including +/-Infinity)
+        if not other:
+            if not self:
+                return context._raise_error(InvalidOperation, '0 ** 0')
+            else:
+                return _One
+
+        # result has sign 1 iff self._sign is 1 and other is an odd integer
+        result_sign = 0
+        if self._sign == 1:
+            if other._isinteger():
+                if not other._iseven():
+                    result_sign = 1
+            else:
+                # -ve**noninteger = NaN
+                # (-0)**noninteger = 0**noninteger
+                if self:
+                    return context._raise_error(InvalidOperation,
+                        'x ** y with x negative and y not an integer')
+            # negate self, without doing any unwanted rounding
+            self = self.copy_negate()
+
+        # 0**(+ve or Inf)= 0; 0**(-ve or -Inf) = Infinity
+        if not self:
+            if other._sign == 0:
+                return _dec_from_triple(result_sign, '0', 0)
+            else:
+                return _SignedInfinity[result_sign]
+
+        # Inf**(+ve or Inf) = Inf; Inf**(-ve or -Inf) = 0
+        if self._isinfinity():
+            if other._sign == 0:
+                return _SignedInfinity[result_sign]
+            else:
+                return _dec_from_triple(result_sign, '0', 0)
+
+        # 1**other = 1, but the choice of exponent and the flags
+        # depend on the exponent of self, and on whether other is a
+        # positive integer, a negative integer, or neither
+        if self == _One:
+            if other._isinteger():
+                # exp = max(self._exp*max(int(other), 0),
+                # 1-context.prec) but evaluating int(other) directly
+                # is dangerous until we know other is small (other
+                # could be 1e999999999)
+                if other._sign == 1:
+                    multiplier = 0
+                elif other > context.prec:
+                    multiplier = context.prec
+                else:
+                    multiplier = int(other)
+
+                exp = self._exp * multiplier
+                if exp < 1-context.prec:
+                    exp = 1-context.prec
+                    context._raise_error(Rounded)
+            else:
+                context._raise_error(Inexact)
+                context._raise_error(Rounded)
+                exp = 1-context.prec
+
+            return _dec_from_triple(result_sign, '1'+'0'*-exp, exp)
+
+        # compute adjusted exponent of self
+        self_adj = self.adjusted()
+
+        # self ** infinity is infinity if self > 1, 0 if self < 1
+        # self ** -infinity is infinity if self < 1, 0 if self > 1
+        if other._isinfinity():
+            if (other._sign == 0) == (self_adj < 0):
+                return _dec_from_triple(result_sign, '0', 0)
+            else:
+                return _SignedInfinity[result_sign]
+
+        # from here on, the result always goes through the call
+        # to _fix at the end of this function.
+        ans = None
+        exact = False
+
+        # crude test to catch cases of extreme overflow/underflow.  If
+        # log10(self)*other >= 10**bound and bound >= len(str(Emax))
+        # then 10**bound >= 10**len(str(Emax)) >= Emax+1 and hence
+        # self**other >= 10**(Emax+1), so overflow occurs.  The test
+        # for underflow is similar.
+        bound = self._log10_exp_bound() + other.adjusted()
+        if (self_adj >= 0) == (other._sign == 0):
+            # self > 1 and other +ve, or self < 1 and other -ve
+            # possibility of overflow
+            if bound >= len(str(context.Emax)):
+                ans = _dec_from_triple(result_sign, '1', context.Emax+1)
+        else:
+            # self > 1 and other -ve, or self < 1 and other +ve
+            # possibility of underflow to 0
+            Etiny = context.Etiny()
+            if bound >= len(str(-Etiny)):
+                ans = _dec_from_triple(result_sign, '1', Etiny-1)
+
+        # try for an exact result with precision +1
+        if ans is None:
+            ans = self._power_exact(other, context.prec + 1)
+            if ans is not None:
+                if result_sign == 1:
+                    ans = _dec_from_triple(1, ans._int, ans._exp)
+                exact = True
+
+        # usual case: inexact result, x**y computed directly as exp(y*log(x))
+        if ans is None:
+            p = context.prec
+            x = _WorkRep(self)
+            xc, xe = x.int, x.exp
+            y = _WorkRep(other)
+            yc, ye = y.int, y.exp
+            if y.sign == 1:
+                yc = -yc
+
+            # compute correctly rounded result:  start with precision +3,
+            # then increase precision until result is unambiguously roundable
+            extra = 3
+            while True:
+                coeff, exp = _dpower(xc, xe, yc, ye, p+extra)
+                if coeff % (5*10**(len(str(coeff))-p-1)):
+                    break
+                extra += 3
+
+            ans = _dec_from_triple(result_sign, str(coeff), exp)
+
+        # unlike exp, ln and log10, the power function respects the
+        # rounding mode; no need to switch to ROUND_HALF_EVEN here
+
+        # There's a difficulty here when 'other' is not an integer and
+        # the result is exact.  In this case, the specification
+        # requires that the Inexact flag be raised (in spite of
+        # exactness), but since the result is exact _fix won't do this
+        # for us.  (Correspondingly, the Underflow signal should also
+        # be raised for subnormal results.)  We can't directly raise
+        # these signals either before or after calling _fix, since
+        # that would violate the precedence for signals.  So we wrap
+        # the ._fix call in a temporary context, and reraise
+        # afterwards.
+        if exact and not other._isinteger():
+            # pad with zeros up to length context.prec+1 if necessary; this
+            # ensures that the Rounded signal will be raised.
+            if len(ans._int) <= context.prec:
+                expdiff = context.prec + 1 - len(ans._int)
+                ans = _dec_from_triple(ans._sign, ans._int+'0'*expdiff,
+                                       ans._exp-expdiff)
+
+            # create a copy of the current context, with cleared flags/traps
+            newcontext = context.copy()
+            newcontext.clear_flags()
+            for exception in _signals:
+                newcontext.traps[exception] = 0
+
+            # round in the new context
+            ans = ans._fix(newcontext)
+
+            # raise Inexact, and if necessary, Underflow
+            newcontext._raise_error(Inexact)
+            if newcontext.flags[Subnormal]:
+                newcontext._raise_error(Underflow)
+
+            # propagate signals to the original context; _fix could
+            # have raised any of Overflow, Underflow, Subnormal,
+            # Inexact, Rounded, Clamped.  Overflow needs the correct
+            # arguments.  Note that the order of the exceptions is
+            # important here.
+            if newcontext.flags[Overflow]:
+                context._raise_error(Overflow, 'above Emax', ans._sign)
+            for exception in Underflow, Subnormal, Inexact, Rounded, Clamped:
+                if newcontext.flags[exception]:
+                    context._raise_error(exception)
+
+        else:
+            ans = ans._fix(context)
+
+        return ans
+
+    def __rpow__(self, other, context=None):
+        """Swaps self/other and returns __pow__."""
+        other = _convert_other(other)
+        if other is NotImplemented:
+            return other
+        return other.__pow__(self, context=context)
+
+    def normalize(self, context=None):
+        """Normalize- strip trailing 0s, change anything equal to 0 to 0e0"""
+
+        if context is None:
+            context = getcontext()
+
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+
+        dup = self._fix(context)
+        if dup._isinfinity():
+            return dup
+
+        if not dup:
+            return _dec_from_triple(dup._sign, '0', 0)
+        exp_max = [context.Emax, context.Etop()][context.clamp]
+        end = len(dup._int)
+        exp = dup._exp
+        while dup._int[end-1] == '0' and exp < exp_max:
+            exp += 1
+            end -= 1
+        return _dec_from_triple(dup._sign, dup._int[:end], exp)
+
+    def quantize(self, exp, rounding=None, context=None):
+        """Quantize self so its exponent is the same as that of exp.
+
+        Similar to self._rescale(exp._exp) but with error checking.
+        """
+        exp = _convert_other(exp, raiseit=True)
+
+        if context is None:
+            context = getcontext()
+        if rounding is None:
+            rounding = context.rounding
+
+        if self._is_special or exp._is_special:
+            ans = self._check_nans(exp, context)
+            if ans:
+                return ans
+
+            if exp._isinfinity() or self._isinfinity():
+                if exp._isinfinity() and self._isinfinity():
+                    return Decimal(self)  # if both are inf, it is OK
+                return context._raise_error(InvalidOperation,
+                                        'quantize with one INF')
+
+        # exp._exp should be between Etiny and Emax
+        if not (context.Etiny() <= exp._exp <= context.Emax):
+            return context._raise_error(InvalidOperation,
+                   'target exponent out of bounds in quantize')
+
+        if not self:
+            ans = _dec_from_triple(self._sign, '0', exp._exp)
+            return ans._fix(context)
+
+        self_adjusted = self.adjusted()
+        if self_adjusted > context.Emax:
+            return context._raise_error(InvalidOperation,
+                                        'exponent of quantize result too large for current context')
+        if self_adjusted - exp._exp + 1 > context.prec:
+            return context._raise_error(InvalidOperation,
+                                        'quantize result has too many digits for current context')
+
+        ans = self._rescale(exp._exp, rounding)
+        if ans.adjusted() > context.Emax:
+            return context._raise_error(InvalidOperation,
+                                        'exponent of quantize result too large for current context')
+        if len(ans._int) > context.prec:
+            return context._raise_error(InvalidOperation,
+                                        'quantize result has too many digits for current context')
+
+        # raise appropriate flags
+        if ans and ans.adjusted() < context.Emin:
+            context._raise_error(Subnormal)
+        if ans._exp > self._exp:
+            if ans != self:
+                context._raise_error(Inexact)
+            context._raise_error(Rounded)
+
+        # call to fix takes care of any necessary folddown, and
+        # signals Clamped if necessary
+        ans = ans._fix(context)
+        return ans
+
+    def same_quantum(self, other, context=None):
+        """Return True if self and other have the same exponent; otherwise
+        return False.
+
+        If either operand is a special value, the following rules are used:
+           * return True if both operands are infinities
+           * return True if both operands are NaNs
+           * otherwise, return False.
+        """
+        other = _convert_other(other, raiseit=True)
+        if self._is_special or other._is_special:
+            return (self.is_nan() and other.is_nan() or
+                    self.is_infinite() and other.is_infinite())
+        return self._exp == other._exp
+
+    def _rescale(self, exp, rounding):
+        """Rescale self so that the exponent is exp, either by padding with zeros
+        or by truncating digits, using the given rounding mode.
+
+        Specials are returned without change.  This operation is
+        quiet: it raises no flags, and uses no information from the
+        context.
+
+        exp = exp to scale to (an integer)
+        rounding = rounding mode
+        """
+        if self._is_special:
+            return Decimal(self)
+        if not self:
+            return _dec_from_triple(self._sign, '0', exp)
+
+        if self._exp >= exp:
+            # pad answer with zeros if necessary
+            return _dec_from_triple(self._sign,
+                                        self._int + '0'*(self._exp - exp), exp)
+
+        # too many digits; round and lose data.  If self.adjusted() <
+        # exp-1, replace self by 10**(exp-1) before rounding
+        digits = len(self._int) + self._exp - exp
+        if digits < 0:
+            self = _dec_from_triple(self._sign, '1', exp-1)
+            digits = 0
+        this_function = self._pick_rounding_function[rounding]
+        changed = this_function(self, digits)
+        coeff = self._int[:digits] or '0'
+        if changed == 1:
+            coeff = str(int(coeff)+1)
+        return _dec_from_triple(self._sign, coeff, exp)
+
+    def _round(self, places, rounding):
+        """Round a nonzero, nonspecial Decimal to a fixed number of
+        significant figures, using the given rounding mode.
+
+        Infinities, NaNs and zeros are returned unaltered.
+
+        This operation is quiet: it raises no flags, and uses no
+        information from the context.
+
+        """
+        if places <= 0:
+            raise ValueError("argument should be at least 1 in _round")
+        if self._is_special or not self:
+            return Decimal(self)
+        ans = self._rescale(self.adjusted()+1-places, rounding)
+        # it can happen that the rescale alters the adjusted exponent;
+        # for example when rounding 99.97 to 3 significant figures.
+        # When this happens we end up with an extra 0 at the end of
+        # the number; a second rescale fixes this.
+        if ans.adjusted() != self.adjusted():
+            ans = ans._rescale(ans.adjusted()+1-places, rounding)
+        return ans
+
+    def to_integral_exact(self, rounding=None, context=None):
+        """Rounds to a nearby integer.
+
+        If no rounding mode is specified, take the rounding mode from
+        the context.  This method raises the Rounded and Inexact flags
+        when appropriate.
+
+        See also: to_integral_value, which does exactly the same as
+        this method except that it doesn't raise Inexact or Rounded.
+        """
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+            return Decimal(self)
+        if self._exp >= 0:
+            return Decimal(self)
+        if not self:
+            return _dec_from_triple(self._sign, '0', 0)
+        if context is None:
+            context = getcontext()
+        if rounding is None:
+            rounding = context.rounding
+        ans = self._rescale(0, rounding)
+        if ans != self:
+            context._raise_error(Inexact)
+        context._raise_error(Rounded)
+        return ans
+
+    def to_integral_value(self, rounding=None, context=None):
+        """Rounds to the nearest integer, without raising inexact, rounded."""
+        if context is None:
+            context = getcontext()
+        if rounding is None:
+            rounding = context.rounding
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+            return Decimal(self)
+        if self._exp >= 0:
+            return Decimal(self)
+        else:
+            return self._rescale(0, rounding)
+
+    # the method name changed, but we provide also the old one, for compatibility
+    to_integral = to_integral_value
+
+    def sqrt(self, context=None):
+        """Return the square root of self."""
+        if context is None:
+            context = getcontext()
+
+        if self._is_special:
+            ans = self._check_nans(context=context)
+            if ans:
+                return ans
+
+            if self._isinfinity() and self._sign == 0:
+                return Decimal(self)
+
+        if not self:
+            # exponent = self._exp // 2.  sqrt(-0) = -0
+            ans = _dec_from_triple(self._sign, '0', self._exp // 2)
+            return ans._fix(context)
+
+        if self._sign == 1:
+            return context._raise_error(InvalidOperation, 'sqrt(-x), x > 0')
+
+        # At this point self represents a positive number.  Let p be
+        # the desired precision and express self in the form c*100**e
+        # with c a positive real number and e an integer, c and e
+        # being chosen so that 100**(p-1) <= c < 100**p.  Then the
+        # (exact) square root of self is sqrt(c)*10**e, and 10**(p-1)
+        # <= sqrt(c) < 10**p, so the closest representable Decimal at
+        # precision p is n*10**e where n = round_half_even(sqrt(c)),
+        # the closest integer to sqrt(c) with the even integer chosen
+        # in the case of a tie.
+        #
+        # To ensure correct rounding in all cases, we use the
+        # following trick: we compute the square root to an extra
+        # place (precision p+1 instead of precision p), rounding down.
+        # Then, if the result is inexact and its last digit is 0 or 5,
+        # we increase the last digit to 1 or 6 respectively; if it's
+        # exact we leave the last digit alone.  Now the final round to
+        # p places (or fewer in the case of underflow) will round
+        # correctly and raise the appropriate flags.
+
+        # use an extra digit of precision
+        prec = context.prec+1
+
+        # write argument in the form c*100**e where e = self._exp//2
+        # is the 'ideal' exponent, to be used if the square root is
+        # exactly representable.  l is the number of 'digits' of c in
+        # base 100, so that 100**(l-1) <= c < 100**l.
+        op = _WorkRep(self)
+        e = op.exp >> 1
+        if op.exp & 1:
+            c = op.int * 10
+            l = (len(self._int) >> 1) + 1
+        else:
+            c = op.int
+            l = len(self._int)+1 >> 1
+
+        # rescale so that c has exactly prec base 100 'digits'
+        shift = prec-l
+        if shift >= 0:
+            c *= 100**shift
+            exact = True
+        else:
+            c, remainder = divmod(c, 100**-shift)
+            exact = not remainder
+        e -= shift
+
+        # find n = floor(sqrt(c)) using Newton's method
+        n = 10**prec
+        while True:
+            q = c//n
+            if n <= q:
+                break
+            else:
+                n = n + q >> 1
+        exact = exact and n*n == c
+
+        if exact:
+            # result is exact; rescale to use ideal exponent e
+            if shift >= 0:
+                # assert n % 10**shift == 0
+                n //= 10**shift
+            else:
+                n *= 10**-shift
+            e += shift
+        else:
+            # result is not exact; fix last digit as described above
+            if n % 5 == 0:
+                n += 1
+
+        ans = _dec_from_triple(0, str(n), e)
+
+        # round, and fit to current context
+        context = context._shallow_copy()
+        rounding = context._set_rounding(ROUND_HALF_EVEN)
+        ans = ans._fix(context)
+        context.rounding = rounding
+
+        return ans
+
+    def max(self, other, context=None):
+        """Returns the larger value.
+
+        Like max(self, other) except if one is not a number, returns
+        NaN (and signals if one is sNaN).  Also rounds.
+        """
+        other = _convert_other(other, raiseit=True)
+
+        if context is None:
+            context = getcontext()
+
+        if self._is_special or other._is_special:
+            # If one operand is a quiet NaN and the other is number, then the
+            # number is always returned
+            sn = self._isnan()
+            on = other._isnan()
+            if sn or on:
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
+                return self._check_nans(other, context)
+
+        c = self._cmp(other)
+        if c == 0:
+            # If both operands are finite and equal in numerical value
+            # then an ordering is applied:
+            #
+            # If the signs differ then max returns the operand with the
+            # positive sign and min returns the operand with the negative sign
+            #
+            # If the signs are the same then the exponent is used to select
+            # the result.  This is exactly the ordering used in compare_total.
+            c = self.compare_total(other)
+
+        if c == -1:
+            ans = other
+        else:
+            ans = self
+
+        return ans._fix(context)
+
+    def min(self, other, context=None):
+        """Returns the smaller value.
+
+        Like min(self, other) except if one is not a number, returns
+        NaN (and signals if one is sNaN).  Also rounds.
+        """
+        other = _convert_other(other, raiseit=True)
+
+        if context is None:
+            context = getcontext()
+
+        if self._is_special or other._is_special:
+            # If one operand is a quiet NaN and the other is number, then the
+            # number is always returned
+            sn = self._isnan()
+            on = other._isnan()
+            if sn or on:
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
+                return self._check_nans(other, context)
+
+        c = self._cmp(other)
+        if c == 0:
+            c = self.compare_total(other)
+
+        if c == -1:
+            ans = self
+        else:
+            ans = other
+
+        return ans._fix(context)
+
+    def _isinteger(self):
+        """Returns whether self is an integer"""
+        if self._is_special:
+            return False
+        if self._exp >= 0:
+            return True
+        rest = self._int[self._exp:]
+        return rest == '0'*len(rest)
+
+    def _iseven(self):
+        """Returns True if self is even.  Assumes self is an integer."""
+        if not self or self._exp > 0:
+            return True
+        return self._int[-1+self._exp] in '02468'
+
+    def adjusted(self):
+        """Return the adjusted exponent of self"""
+        try:
+            return self._exp + len(self._int) - 1
+        # If NaN or Infinity, self._exp is string
+        except TypeError:
+            return 0
+
+    def canonical(self):
+        """Returns the same Decimal object.
+
+        As we do not have different encodings for the same number, the
+        received object already is in its canonical form.
+        """
+        return self
+
+    def compare_signal(self, other, context=None):
+        """Compares self to the other operand numerically.
+
+        It's pretty much like compare(), but all NaNs signal, with signaling
+        NaNs taking precedence over quiet NaNs.
+        """
+        other = _convert_other(other, raiseit = True)
+        ans = self._compare_check_nans(other, context)
+        if ans:
+            return ans
+        return self.compare(other, context=context)
+
+    def compare_total(self, other, context=None):
+        """Compares self to other using the abstract representations.
+
+        This is not like the standard compare, which use their numerical
+        value. Note that a total ordering is defined for all possible abstract
+        representations.
+        """
+        other = _convert_other(other, raiseit=True)
+
+        # if one is negative and the other is positive, it's easy
+        if self._sign and not other._sign:
+            return _NegativeOne
+        if not self._sign and other._sign:
+            return _One
+        sign = self._sign
+
+        # let's handle both NaN types
+        self_nan = self._isnan()
+        other_nan = other._isnan()
+        if self_nan or other_nan:
+            if self_nan == other_nan:
+                # compare payloads as though they're integers
+                self_key = len(self._int), self._int
+                other_key = len(other._int), other._int
+                if self_key < other_key:
+                    if sign:
+                        return _One
+                    else:
+                        return _NegativeOne
+                if self_key > other_key:
+                    if sign:
+                        return _NegativeOne
+                    else:
+                        return _One
+                return _Zero
+
+            if sign:
+                if self_nan == 1:
+                    return _NegativeOne
+                if other_nan == 1:
+                    return _One
+                if self_nan == 2:
+                    return _NegativeOne
+                if other_nan == 2:
+                    return _One
+            else:
+                if self_nan == 1:
+                    return _One
+                if other_nan == 1:
+                    return _NegativeOne
+                if self_nan == 2:
+                    return _One
+                if other_nan == 2:
+                    return _NegativeOne
+
+        if self < other:
+            return _NegativeOne
+        if self > other:
+            return _One
+
+        if self._exp < other._exp:
+            if sign:
+                return _One
+            else:
+                return _NegativeOne
+        if self._exp > other._exp:
+            if sign:
+                return _NegativeOne
+            else:
+                return _One
+        return _Zero
+
+
+    def compare_total_mag(self, other, context=None):
+        """Compares self to other using abstract repr., ignoring sign.
+
+        Like compare_total, but with operand's sign ignored and assumed to be 0.
+        """
+        other = _convert_other(other, raiseit=True)
+
+        s = self.copy_abs()
+        o = other.copy_abs()
+        return s.compare_total(o)
+
+    def copy_abs(self):
+        """Returns a copy with the sign set to 0. """
+        return _dec_from_triple(0, self._int, self._exp, self._is_special)
+
+    def copy_negate(self):
+        """Returns a copy with the sign inverted."""
+        if self._sign:
+            return _dec_from_triple(0, self._int, self._exp, self._is_special)
+        else:
+            return _dec_from_triple(1, self._int, self._exp, self._is_special)
+
+    def copy_sign(self, other, context=None):
+        """Returns self with the sign of other."""
+        other = _convert_other(other, raiseit=True)
+        return _dec_from_triple(other._sign, self._int,
+                                self._exp, self._is_special)
+
+    def exp(self, context=None):
+        """Returns e ** self."""
+
+        if context is None:
+            context = getcontext()
+
+        # exp(NaN) = NaN
+        ans = self._check_nans(context=context)
+        if ans:
+            return ans
+
+        # exp(-Infinity) = 0
+        if self._isinfinity() == -1:
+            return _Zero
+
+        # exp(0) = 1
+        if not self:
+            return _One
+
+        # exp(Infinity) = Infinity
+        if self._isinfinity() == 1:
+            return Decimal(self)
+
+        # the result is now guaranteed to be inexact (the true
+        # mathematical result is transcendental). There's no need to
+        # raise Rounded and Inexact here---they'll always be raised as
+        # a result of the call to _fix.
+        p = context.prec
+        adj = self.adjusted()
+
+        # we only need to do any computation for quite a small range
+        # of adjusted exponents---for example, -29 <= adj <= 10 for
+        # the default context.  For smaller exponent the result is
+        # indistinguishable from 1 at the given precision, while for
+        # larger exponent the result either overflows or underflows.
+        if self._sign == 0 and adj > len(str((context.Emax+1)*3)):
+            # overflow
+            ans = _dec_from_triple(0, '1', context.Emax+1)
+        elif self._sign == 1 and adj > len(str((-context.Etiny()+1)*3)):
+            # underflow to 0
+            ans = _dec_from_triple(0, '1', context.Etiny()-1)
+        elif self._sign == 0 and adj < -p:
+            # p+1 digits; final round will raise correct flags
+            ans = _dec_from_triple(0, '1' + '0'*(p-1) + '1', -p)
+        elif self._sign == 1 and adj < -p-1:
+            # p+1 digits; final round will raise correct flags
+            ans = _dec_from_triple(0, '9'*(p+1), -p-1)
+        # general case
+        else:
+            op = _WorkRep(self)
+            c, e = op.int, op.exp
+            if op.sign == 1:
+                c = -c
+
+            # compute correctly rounded result: increase precision by
+            # 3 digits at a time until we get an unambiguously
+            # roundable result
+            extra = 3
+            while True:
+                coeff, exp = _dexp(c, e, p+extra)
+                if coeff % (5*10**(len(str(coeff))-p-1)):
+                    break
+                extra += 3
+
+            ans = _dec_from_triple(0, str(coeff), exp)
+
+        # at this stage, ans should round correctly with *any*
+        # rounding mode, not just with ROUND_HALF_EVEN
+        context = context._shallow_copy()
+        rounding = context._set_rounding(ROUND_HALF_EVEN)
+        ans = ans._fix(context)
+        context.rounding = rounding
+
+        return ans
+
+    def is_canonical(self):
+        """Return True if self is canonical; otherwise return False.
+
+        Currently, the encoding of a Decimal instance is always
+        canonical, so this method returns True for any Decimal.
+        """
+        return True
+
+    def is_finite(self):
+        """Return True if self is finite; otherwise return False.
+
+        A Decimal instance is considered finite if it is neither
+        infinite nor a NaN.
+        """
+        return not self._is_special
+
+    def is_infinite(self):
+        """Return True if self is infinite; otherwise return False."""
+        return self._exp == 'F'
+
+    def is_nan(self):
+        """Return True if self is a qNaN or sNaN; otherwise return False."""
+        return self._exp in ('n', 'N')
+
+    def is_normal(self, context=None):
+        """Return True if self is a normal number; otherwise return False."""
+        if self._is_special or not self:
+            return False
+        if context is None:
+            context = getcontext()
+        return context.Emin <= self.adjusted()
+
+    def is_qnan(self):
+        """Return True if self is a quiet NaN; otherwise return False."""
+        return self._exp == 'n'
+
+    def is_signed(self):
+        """Return True if self is negative; otherwise return False."""
+        return self._sign == 1
+
+    def is_snan(self):
+        """Return True if self is a signaling NaN; otherwise return False."""
+        return self._exp == 'N'
+
+    def is_subnormal(self, context=None):
+        """Return True if self is subnormal; otherwise return False."""
+        if self._is_special or not self:
+            return False
+        if context is None:
+            context = getcontext()
+        return self.adjusted() < context.Emin
+
+    def is_zero(self):
+        """Return True if self is a zero; otherwise return False."""
+        return not self._is_special and self._int == '0'
+
+    def _ln_exp_bound(self):
+        """Compute a lower bound for the adjusted exponent of self.ln().
+        In other words, compute r such that self.ln() >= 10**r.  Assumes
+        that self is finite and positive and that self != 1.
+        """
+
+        # for 0.1 <= x <= 10 we use the inequalities 1-1/x <= ln(x) <= x-1
+        adj = self._exp + len(self._int) - 1
+        if adj >= 1:
+            # argument >= 10; we use 23/10 = 2.3 as a lower bound for ln(10)
+            return len(str(adj*23//10)) - 1
+        if adj <= -2:
+            # argument <= 0.1
+            return len(str((-1-adj)*23//10)) - 1
+        op = _WorkRep(self)
+        c, e = op.int, op.exp
+        if adj == 0:
+            # 1 < self < 10
+            num = str(c-10**-e)
+            den = str(c)
+            return len(num) - len(den) - (num < den)
+        # adj == -1, 0.1 <= self < 1
+        return e + len(str(10**-e - c)) - 1
+
+
+    def ln(self, context=None):
+        """Returns the natural (base e) logarithm of self."""
+
+        if context is None:
+            context = getcontext()
+
+        # ln(NaN) = NaN
+        ans = self._check_nans(context=context)
+        if ans:
+            return ans
+
+        # ln(0.0) == -Infinity
+        if not self:
+            return _NegativeInfinity
+
+        # ln(Infinity) = Infinity
+        if self._isinfinity() == 1:
+            return _Infinity
+
+        # ln(1.0) == 0.0
+        if self == _One:
+            return _Zero
+
+        # ln(negative) raises InvalidOperation
+        if self._sign == 1:
+            return context._raise_error(InvalidOperation,
+                                        'ln of a negative value')
+
+        # result is irrational, so necessarily inexact
+        op = _WorkRep(self)
+        c, e = op.int, op.exp
+        p = context.prec
+
+        # correctly rounded result: repeatedly increase precision by 3
+        # until we get an unambiguously roundable result
+        places = p - self._ln_exp_bound() + 2 # at least p+3 places
+        while True:
+            coeff = _dlog(c, e, places)
+            # assert len(str(abs(coeff)))-p >= 1
+            if coeff % (5*10**(len(str(abs(coeff)))-p-1)):
+                break
+            places += 3
+        ans = _dec_from_triple(int(coeff<0), str(abs(coeff)), -places)
+
+        context = context._shallow_copy()
+        rounding = context._set_rounding(ROUND_HALF_EVEN)
+        ans = ans._fix(context)
+        context.rounding = rounding
+        return ans
+
+    def _log10_exp_bound(self):
+        """Compute a lower bound for the adjusted exponent of self.log10().
+        In other words, find r such that self.log10() >= 10**r.
+        Assumes that self is finite and positive and that self != 1.
+        """
+
+        # For x >= 10 or x < 0.1 we only need a bound on the integer
+        # part of log10(self), and this comes directly from the
+        # exponent of x.  For 0.1 <= x <= 10 we use the inequalities
+        # 1-1/x <= log(x) <= x-1. If x > 1 we have |log10(x)| >
+        # (1-1/x)/2.31 > 0.  If x < 1 then |log10(x)| > (1-x)/2.31 > 0
+
+        adj = self._exp + len(self._int) - 1
+        if adj >= 1:
+            # self >= 10
+            return len(str(adj))-1
+        if adj <= -2:
+            # self < 0.1
+            return len(str(-1-adj))-1
+        op = _WorkRep(self)
+        c, e = op.int, op.exp
+        if adj == 0:
+            # 1 < self < 10
+            num = str(c-10**-e)
+            den = str(231*c)
+            return len(num) - len(den) - (num < den) + 2
+        # adj == -1, 0.1 <= self < 1
+        num = str(10**-e-c)
+        return len(num) + e - (num < "231") - 1
+
+    def log10(self, context=None):
+        """Returns the base 10 logarithm of self."""
+
+        if context is None:
+            context = getcontext()
+
+        # log10(NaN) = NaN
+        ans = self._check_nans(context=context)
+        if ans:
+            return ans
+
+        # log10(0.0) == -Infinity
+        if not self:
+            return _NegativeInfinity
+
+        # log10(Infinity) = Infinity
+        if self._isinfinity() == 1:
+            return _Infinity
+
+        # log10(negative or -Infinity) raises InvalidOperation
+        if self._sign == 1:
+            return context._raise_error(InvalidOperation,
+                                        'log10 of a negative value')
+
+        # log10(10**n) = n
+        if self._int[0] == '1' and self._int[1:] == '0'*(len(self._int) - 1):
+            # answer may need rounding
+            ans = Decimal(self._exp + len(self._int) - 1)
+        else:
+            # result is irrational, so necessarily inexact
+            op = _WorkRep(self)
+            c, e = op.int, op.exp
+            p = context.prec
+
+            # correctly rounded result: repeatedly increase precision
+            # until result is unambiguously roundable
+            places = p-self._log10_exp_bound()+2
+            while True:
+                coeff = _dlog10(c, e, places)
+                # assert len(str(abs(coeff)))-p >= 1
+                if coeff % (5*10**(len(str(abs(coeff)))-p-1)):
+                    break
+                places += 3
+            ans = _dec_from_triple(int(coeff<0), str(abs(coeff)), -places)
+
+        context = context._shallow_copy()
+        rounding = context._set_rounding(ROUND_HALF_EVEN)
+        ans = ans._fix(context)
+        context.rounding = rounding
+        return ans
+
+    def logb(self, context=None):
+        """ Returns the exponent of the magnitude of self's MSD.
+
+        The result is the integer which is the exponent of the magnitude
+        of the most significant digit of self (as though it were truncated
+        to a single digit while maintaining the value of that digit and
+        without limiting the resulting exponent).
+        """
+        # logb(NaN) = NaN
+        ans = self._check_nans(context=context)
+        if ans:
+            return ans
+
+        if context is None:
+            context = getcontext()
+
+        # logb(+/-Inf) = +Inf
+        if self._isinfinity():
+            return _Infinity
+
+        # logb(0) = -Inf, DivisionByZero
+        if not self:
+            return context._raise_error(DivisionByZero, 'logb(0)', 1)
+
+        # otherwise, simply return the adjusted exponent of self, as a
+        # Decimal.  Note that no attempt is made to fit the result
+        # into the current context.
+        ans = Decimal(self.adjusted())
+        return ans._fix(context)
+
+    def _islogical(self):
+        """Return True if self is a logical operand.
+
+        For being logical, it must be a finite number with a sign of 0,
+        an exponent of 0, and a coefficient whose digits must all be
+        either 0 or 1.
+        """
+        if self._sign != 0 or self._exp != 0:
+            return False
+        for dig in self._int:
+            if dig not in '01':
+                return False
+        return True
+
+    def _fill_logical(self, context, opa, opb):
+        dif = context.prec - len(opa)
+        if dif > 0:
+            opa = '0'*dif + opa
+        elif dif < 0:
+            opa = opa[-context.prec:]
+        dif = context.prec - len(opb)
+        if dif > 0:
+            opb = '0'*dif + opb
+        elif dif < 0:
+            opb = opb[-context.prec:]
+        return opa, opb
+
+    def logical_and(self, other, context=None):
+        """Applies an 'and' operation between self and other's digits."""
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        if not self._islogical() or not other._islogical():
+            return context._raise_error(InvalidOperation)
+
+        # fill to context.prec
+        (opa, opb) = self._fill_logical(context, self._int, other._int)
+
+        # make the operation, and clean starting zeroes
+        result = "".join([str(int(a)&int(b)) for a,b in zip(opa,opb)])
+        return _dec_from_triple(0, result.lstrip('0') or '0', 0)
+
+    def logical_invert(self, context=None):
+        """Invert all its digits."""
+        if context is None:
+            context = getcontext()
+        return self.logical_xor(_dec_from_triple(0,'1'*context.prec,0),
+                                context)
+
+    def logical_or(self, other, context=None):
+        """Applies an 'or' operation between self and other's digits."""
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        if not self._islogical() or not other._islogical():
+            return context._raise_error(InvalidOperation)
+
+        # fill to context.prec
+        (opa, opb) = self._fill_logical(context, self._int, other._int)
+
+        # make the operation, and clean starting zeroes
+        result = "".join([str(int(a)|int(b)) for a,b in zip(opa,opb)])
+        return _dec_from_triple(0, result.lstrip('0') or '0', 0)
+
+    def logical_xor(self, other, context=None):
+        """Applies an 'xor' operation between self and other's digits."""
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        if not self._islogical() or not other._islogical():
+            return context._raise_error(InvalidOperation)
+
+        # fill to context.prec
+        (opa, opb) = self._fill_logical(context, self._int, other._int)
+
+        # make the operation, and clean starting zeroes
+        result = "".join([str(int(a)^int(b)) for a,b in zip(opa,opb)])
+        return _dec_from_triple(0, result.lstrip('0') or '0', 0)
+
+    def max_mag(self, other, context=None):
+        """Compares the values numerically with their sign ignored."""
+        other = _convert_other(other, raiseit=True)
+
+        if context is None:
+            context = getcontext()
+
+        if self._is_special or other._is_special:
+            # If one operand is a quiet NaN and the other is number, then the
+            # number is always returned
+            sn = self._isnan()
+            on = other._isnan()
+            if sn or on:
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
+                return self._check_nans(other, context)
+
+        c = self.copy_abs()._cmp(other.copy_abs())
+        if c == 0:
+            c = self.compare_total(other)
+
+        if c == -1:
+            ans = other
+        else:
+            ans = self
+
+        return ans._fix(context)
+
+    def min_mag(self, other, context=None):
+        """Compares the values numerically with their sign ignored."""
+        other = _convert_other(other, raiseit=True)
+
+        if context is None:
+            context = getcontext()
+
+        if self._is_special or other._is_special:
+            # If one operand is a quiet NaN and the other is number, then the
+            # number is always returned
+            sn = self._isnan()
+            on = other._isnan()
+            if sn or on:
+                if on == 1 and sn == 0:
+                    return self._fix(context)
+                if sn == 1 and on == 0:
+                    return other._fix(context)
+                return self._check_nans(other, context)
+
+        c = self.copy_abs()._cmp(other.copy_abs())
+        if c == 0:
+            c = self.compare_total(other)
+
+        if c == -1:
+            ans = self
+        else:
+            ans = other
+
+        return ans._fix(context)
+
+    def next_minus(self, context=None):
+        """Returns the largest representable number smaller than itself."""
+        if context is None:
+            context = getcontext()
+
+        ans = self._check_nans(context=context)
+        if ans:
+            return ans
+
+        if self._isinfinity() == -1:
+            return _NegativeInfinity
+        if self._isinfinity() == 1:
+            return _dec_from_triple(0, '9'*context.prec, context.Etop())
+
+        context = context.copy()
+        context._set_rounding(ROUND_FLOOR)
+        context._ignore_all_flags()
+        new_self = self._fix(context)
+        if new_self != self:
+            return new_self
+        return self.__sub__(_dec_from_triple(0, '1', context.Etiny()-1),
+                            context)
+
+    def next_plus(self, context=None):
+        """Returns the smallest representable number larger than itself."""
+        if context is None:
+            context = getcontext()
+
+        ans = self._check_nans(context=context)
+        if ans:
+            return ans
+
+        if self._isinfinity() == 1:
+            return _Infinity
+        if self._isinfinity() == -1:
+            return _dec_from_triple(1, '9'*context.prec, context.Etop())
+
+        context = context.copy()
+        context._set_rounding(ROUND_CEILING)
+        context._ignore_all_flags()
+        new_self = self._fix(context)
+        if new_self != self:
+            return new_self
+        return self.__add__(_dec_from_triple(0, '1', context.Etiny()-1),
+                            context)
+
+    def next_toward(self, other, context=None):
+        """Returns the number closest to self, in the direction towards other.
+
+        The result is the closest representable number to self
+        (excluding self) that is in the direction towards other,
+        unless both have the same value.  If the two operands are
+        numerically equal, then the result is a copy of self with the
+        sign set to be the same as the sign of other.
+        """
+        other = _convert_other(other, raiseit=True)
+
+        if context is None:
+            context = getcontext()
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        comparison = self._cmp(other)
+        if comparison == 0:
+            return self.copy_sign(other)
+
+        if comparison == -1:
+            ans = self.next_plus(context)
+        else: # comparison == 1
+            ans = self.next_minus(context)
+
+        # decide which flags to raise using value of ans
+        if ans._isinfinity():
+            context._raise_error(Overflow,
+                                 'Infinite result from next_toward',
+                                 ans._sign)
+            context._raise_error(Inexact)
+            context._raise_error(Rounded)
+        elif ans.adjusted() < context.Emin:
+            context._raise_error(Underflow)
+            context._raise_error(Subnormal)
+            context._raise_error(Inexact)
+            context._raise_error(Rounded)
+            # if precision == 1 then we don't raise Clamped for a
+            # result 0E-Etiny.
+            if not ans:
+                context._raise_error(Clamped)
+
+        return ans
+
+    def number_class(self, context=None):
+        """Returns an indication of the class of self.
+
+        The class is one of the following strings:
+          sNaN
+          NaN
+          -Infinity
+          -Normal
+          -Subnormal
+          -Zero
+          +Zero
+          +Subnormal
+          +Normal
+          +Infinity
+        """
+        if self.is_snan():
+            return "sNaN"
+        if self.is_qnan():
+            return "NaN"
+        inf = self._isinfinity()
+        if inf == 1:
+            return "+Infinity"
+        if inf == -1:
+            return "-Infinity"
+        if self.is_zero():
+            if self._sign:
+                return "-Zero"
+            else:
+                return "+Zero"
+        if context is None:
+            context = getcontext()
+        if self.is_subnormal(context=context):
+            if self._sign:
+                return "-Subnormal"
+            else:
+                return "+Subnormal"
+        # just a normal, regular, boring number, :)
+        if self._sign:
+            return "-Normal"
+        else:
+            return "+Normal"
+
+    def radix(self):
+        """Just returns 10, as this is Decimal, :)"""
+        return Decimal(10)
+
+    def rotate(self, other, context=None):
+        """Returns a rotated copy of self, value-of-other times."""
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        if other._exp != 0:
+            return context._raise_error(InvalidOperation)
+        if not (-context.prec <= int(other) <= context.prec):
+            return context._raise_error(InvalidOperation)
+
+        if self._isinfinity():
+            return Decimal(self)
+
+        # get values, pad if necessary
+        torot = int(other)
+        rotdig = self._int
+        topad = context.prec - len(rotdig)
+        if topad > 0:
+            rotdig = '0'*topad + rotdig
+        elif topad < 0:
+            rotdig = rotdig[-topad:]
+
+        # let's rotate!
+        rotated = rotdig[torot:] + rotdig[:torot]
+        return _dec_from_triple(self._sign,
+                                rotated.lstrip('0') or '0', self._exp)
+
+    def scaleb(self, other, context=None):
+        """Returns self operand after adding the second value to its exp."""
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        if other._exp != 0:
+            return context._raise_error(InvalidOperation)
+        liminf = -2 * (context.Emax + context.prec)
+        limsup =  2 * (context.Emax + context.prec)
+        if not (liminf <= int(other) <= limsup):
+            return context._raise_error(InvalidOperation)
+
+        if self._isinfinity():
+            return Decimal(self)
+
+        d = _dec_from_triple(self._sign, self._int, self._exp + int(other))
+        d = d._fix(context)
+        return d
+
+    def shift(self, other, context=None):
+        """Returns a shifted copy of self, value-of-other times."""
+        if context is None:
+            context = getcontext()
+
+        other = _convert_other(other, raiseit=True)
+
+        ans = self._check_nans(other, context)
+        if ans:
+            return ans
+
+        if other._exp != 0:
+            return context._raise_error(InvalidOperation)
+        if not (-context.prec <= int(other) <= context.prec):
+            return context._raise_error(InvalidOperation)
+
+        if self._isinfinity():
+            return Decimal(self)
+
+        # get values, pad if necessary
+        torot = int(other)
+        rotdig = self._int
+        topad = context.prec - len(rotdig)
+        if topad > 0:
+            rotdig = '0'*topad + rotdig
+        elif topad < 0:
+            rotdig = rotdig[-topad:]
+
+        # let's shift!
+        if torot < 0:
+            shifted = rotdig[:torot]
+        else:
+            shifted = rotdig + '0'*torot
+            shifted = shifted[-context.prec:]
+
+        return _dec_from_triple(self._sign,
+                                    shifted.lstrip('0') or '0', self._exp)
+
+    # Support for pickling, copy, and deepcopy
+    def __reduce__(self):
+        return (self.__class__, (str(self),))
+
+    def __copy__(self):
+        if type(self) is Decimal:
+            return self     # I'm immutable; therefore I am my own clone
+        return self.__class__(str(self))
+
+    def __deepcopy__(self, memo):
+        if type(self) is Decimal:
+            return self     # My components are also immutable
+        return self.__class__(str(self))
+
+    # PEP 3101 support.  the _localeconv keyword argument should be
+    # considered private: it's provided for ease of testing only.
+    def __format__(self, specifier, context=None, _localeconv=None):
+        """Format a Decimal instance according to the given specifier.
+
+        The specifier should be a standard format specifier, with the
+        form described in PEP 3101.  Formatting types 'e', 'E', 'f',
+        'F', 'g', 'G', 'n' and '%' are supported.  If the formatting
+        type is omitted it defaults to 'g' or 'G', depending on the
+        value of context.capitals.
+        """
+
+        # Note: PEP 3101 says that if the type is not present then
+        # there should be at least one digit after the decimal point.
+        # We take the liberty of ignoring this requirement for
+        # Decimal---it's presumably there to make sure that
+        # format(float, '') behaves similarly to str(float).
+        if context is None:
+            context = getcontext()
+
+        spec = _parse_format_specifier(specifier, _localeconv=_localeconv)
+
+        # special values don't care about the type or precision
+        if self._is_special:
+            sign = _format_sign(self._sign, spec)
+            body = str(self.copy_abs())
+            if spec['type'] == '%':
+                body += '%'
+            return _format_align(sign, body, spec)
+
+        # a type of None defaults to 'g' or 'G', depending on context
+        if spec['type'] is None:
+            spec['type'] = ['g', 'G'][context.capitals]
+
+        # if type is '%', adjust exponent of self accordingly
+        if spec['type'] == '%':
+            self = _dec_from_triple(self._sign, self._int, self._exp+2)
+
+        # round if necessary, taking rounding mode from the context
+        rounding = context.rounding
+        precision = spec['precision']
+        if precision is not None:
+            if spec['type'] in 'eE':
+                self = self._round(precision+1, rounding)
+            elif spec['type'] in 'fF%':
+                self = self._rescale(-precision, rounding)
+            elif spec['type'] in 'gG' and len(self._int) > precision:
+                self = self._round(precision, rounding)
+        # special case: zeros with a positive exponent can't be
+        # represented in fixed point; rescale them to 0e0.
+        if not self and self._exp > 0 and spec['type'] in 'fF%':
+            self = self._rescale(0, rounding)
+
+        # figure out placement of the decimal point
+        leftdigits = self._exp + len(self._int)
+        if spec['type'] in 'eE':
+            if not self and precision is not None:
+                dotplace = 1 - precision
+            else:
+                dotplace = 1
+        elif spec['type'] in 'fF%':
+            dotplace = leftdigits
+        elif spec['type'] in 'gG':
+            if self._exp <= 0 and leftdigits > -6:
+                dotplace = leftdigits
+            else:
+                dotplace = 1
+
+        # find digits before and after decimal point, and get exponent
+        if dotplace < 0:
+            intpart = '0'
+            fracpart = '0'*(-dotplace) + self._int
+        elif dotplace > len(self._int):
+            intpart = self._int + '0'*(dotplace-len(self._int))
+            fracpart = ''
+        else:
+            intpart = self._int[:dotplace] or '0'
+            fracpart = self._int[dotplace:]
+        exp = leftdigits-dotplace
+
+        # done with the decimal-specific stuff;  hand over the rest
+        # of the formatting to the _format_number function
+        return _format_number(self._sign, intpart, fracpart, exp, spec)
+
+def _dec_from_triple(sign, coefficient, exponent, special=False):
+    """Create a decimal instance directly, without any validation,
+    normalization (e.g. removal of leading zeros) or argument
+    conversion.
+
+    This function is for *internal use only*.
+    """
+
+    self = object.__new__(Decimal)
+    self._sign = sign
+    self._int = coefficient
+    self._exp = exponent
+    self._is_special = special
+
+    return self
+
+# Register Decimal as a kind of Number (an abstract base class).
+# However, do not register it as Real (because Decimals are not
+# interoperable with floats).
+_numbers.Number.register(Decimal)
+
+
+##### Context class #######################################################
+
+class _ContextManager(object):
+    """Context manager class to support localcontext().
+
+      Sets a copy of the supplied context in __enter__() and restores
+      the previous decimal context in __exit__()
+    """
+    def __init__(self, new_context):
+        self.new_context = new_context.copy()
+    def __enter__(self):
+        self.saved_context = getcontext()
+        setcontext(self.new_context)
+        return self.new_context
+    def __exit__(self, t, v, tb):
+        setcontext(self.saved_context)
+
+class Context(object):
+    """Contains the context for a Decimal instance.
+
+    Contains:
+    prec - precision (for use in rounding, division, square roots..)
+    rounding - rounding type (how you round)
+    traps - If traps[exception] = 1, then the exception is
+                    raised when it is caused.  Otherwise, a value is
+                    substituted in.
+    flags  - When an exception is caused, flags[exception] is set.
+             (Whether or not the trap_enabler is set)
+             Should be reset by user of Decimal instance.
+    Emin -   Minimum exponent
+    Emax -   Maximum exponent
+    capitals -      If 1, 1*10^1 is printed as 1E+1.
+                    If 0, printed as 1e1
+    clamp -  If 1, change exponents if too high (Default 0)
+    """
+
+    def __init__(self, prec=None, rounding=None, Emin=None, Emax=None,
+                       capitals=None, clamp=None, flags=None, traps=None,
+                       _ignored_flags=None):
+        # Set defaults; for everything except flags and _ignored_flags,
+        # inherit from DefaultContext.
+        try:
+            dc = DefaultContext
+        except NameError:
+            pass
+
+        self.prec = prec if prec is not None else dc.prec
+        self.rounding = rounding if rounding is not None else dc.rounding
+        self.Emin = Emin if Emin is not None else dc.Emin
+        self.Emax = Emax if Emax is not None else dc.Emax
+        self.capitals = capitals if capitals is not None else dc.capitals
+        self.clamp = clamp if clamp is not None else dc.clamp
+
+        if _ignored_flags is None:
+            self._ignored_flags = []
+        else:
+            self._ignored_flags = _ignored_flags
+
+        if traps is None:
+            self.traps = dc.traps.copy()
+        elif not isinstance(traps, dict):
+            self.traps = dict((s, int(s in traps)) for s in _signals + traps)
+        else:
+            self.traps = traps
+
+        if flags is None:
+            self.flags = dict.fromkeys(_signals, 0)
+        elif not isinstance(flags, dict):
+            self.flags = dict((s, int(s in flags)) for s in _signals + flags)
+        else:
+            self.flags = flags
+
+    def _set_integer_check(self, name, value, vmin, vmax):
+        if not isinstance(value, int):
+            raise TypeError("%s must be an integer" % name)
+        if vmin == '-inf':
+            if value > vmax:
+                raise ValueError("%s must be in [%s, %d]. got: %s" % (name, vmin, vmax, value))
+        elif vmax == 'inf':
+            if value < vmin:
+                raise ValueError("%s must be in [%d, %s]. got: %s" % (name, vmin, vmax, value))
+        else:
+            if value < vmin or value > vmax:
+                raise ValueError("%s must be in [%d, %d]. got %s" % (name, vmin, vmax, value))
+        return object.__setattr__(self, name, value)
+
+    def _set_signal_dict(self, name, d):
+        if not isinstance(d, dict):
+            raise TypeError("%s must be a signal dict" % d)
+        for key in d:
+            if not key in _signals:
+                raise KeyError("%s is not a valid signal dict" % d)
+        for key in _signals:
+            if not key in d:
+                raise KeyError("%s is not a valid signal dict" % d)
+        return object.__setattr__(self, name, d)
+
+    def __setattr__(self, name, value):
+        if name == 'prec':
+            return self._set_integer_check(name, value, 1, 'inf')
+        elif name == 'Emin':
+            return self._set_integer_check(name, value, '-inf', 0)
+        elif name == 'Emax':
+            return self._set_integer_check(name, value, 0, 'inf')
+        elif name == 'capitals':
+            return self._set_integer_check(name, value, 0, 1)
+        elif name == 'clamp':
+            return self._set_integer_check(name, value, 0, 1)
+        elif name == 'rounding':
+            if not value in _rounding_modes:
+                # raise TypeError even for strings to have consistency
+                # among various implementations.
+                raise TypeError("%s: invalid rounding mode" % value)
+            return object.__setattr__(self, name, value)
+        elif name == 'flags' or name == 'traps':
+            return self._set_signal_dict(name, value)
+        elif name == '_ignored_flags':
+            return object.__setattr__(self, name, value)
+        else:
+            raise AttributeError(
+                "'decimal.Context' object has no attribute '%s'" % name)
+
+    def __delattr__(self, name):
+        raise AttributeError("%s cannot be deleted" % name)
+
+    # Support for pickling, copy, and deepcopy
+    def __reduce__(self):
+        flags = [sig for sig, v in self.flags.items() if v]
+        traps = [sig for sig, v in self.traps.items() if v]
+        return (self.__class__,
+                (self.prec, self.rounding, self.Emin, self.Emax,
+                 self.capitals, self.clamp, flags, traps))
+
+    def __repr__(self):
+        """Show the current context."""
+        s = []
+        s.append('Context(prec=%(prec)d, rounding=%(rounding)s, '
+                 'Emin=%(Emin)d, Emax=%(Emax)d, capitals=%(capitals)d, '
+                 'clamp=%(clamp)d'
+                 % vars(self))
+        names = [f.__name__ for f, v in self.flags.items() if v]
+        s.append('flags=[' + ', '.join(names) + ']')
+        names = [t.__name__ for t, v in self.traps.items() if v]
+        s.append('traps=[' + ', '.join(names) + ']')
+        return ', '.join(s) + ')'
+
+    def clear_flags(self):
+        """Reset all flags to zero"""
+        for flag in self.flags:
+            self.flags[flag] = 0
+
+    def clear_traps(self):
+        """Reset all traps to zero"""
+        for flag in self.traps:
+            self.traps[flag] = 0
+
+    def _shallow_copy(self):
+        """Returns a shallow copy from self."""
+        nc = Context(self.prec, self.rounding, self.Emin, self.Emax,
+                     self.capitals, self.clamp, self.flags, self.traps,
+                     self._ignored_flags)
+        return nc
+
+    def copy(self):
+        """Returns a deep copy from self."""
+        nc = Context(self.prec, self.rounding, self.Emin, self.Emax,
+                     self.capitals, self.clamp,
+                     self.flags.copy(), self.traps.copy(),
+                     self._ignored_flags)
+        return nc
+    __copy__ = copy
+
+    def _raise_error(self, condition, explanation = None, *args):
+        """Handles an error
+
+        If the flag is in _ignored_flags, returns the default response.
+        Otherwise, it sets the flag, then, if the corresponding
+        trap_enabler is set, it reraises the exception.  Otherwise, it returns
+        the default value after setting the flag.
+        """
+        error = _condition_map.get(condition, condition)
+        if error in self._ignored_flags:
+            # Don't touch the flag
+            return error().handle(self, *args)
+
+        self.flags[error] = 1
+        if not self.traps[error]:
+            # The errors define how to handle themselves.
+            return condition().handle(self, *args)
+
+        # Errors should only be risked on copies of the context
+        # self._ignored_flags = []
+        raise error(explanation)
+
+    def _ignore_all_flags(self):
+        """Ignore all flags, if they are raised"""
+        return self._ignore_flags(*_signals)
+
+    def _ignore_flags(self, *flags):
+        """Ignore the flags, if they are raised"""
+        # Do not mutate-- This way, copies of a context leave the original
+        # alone.
+        self._ignored_flags = (self._ignored_flags + list(flags))
+        return list(flags)
+
+    def _regard_flags(self, *flags):
+        """Stop ignoring the flags, if they are raised"""
+        if flags and isinstance(flags[0], (tuple,list)):
+            flags = flags[0]
+        for flag in flags:
+            self._ignored_flags.remove(flag)
+
+    # We inherit object.__hash__, so we must deny this explicitly
+    __hash__ = None
+
+    def Etiny(self):
+        """Returns Etiny (= Emin - prec + 1)"""
+        return int(self.Emin - self.prec + 1)
+
+    def Etop(self):
+        """Returns maximum exponent (= Emax - prec + 1)"""
+        return int(self.Emax - self.prec + 1)
+
+    def _set_rounding(self, type):
+        """Sets the rounding type.
+
+        Sets the rounding type, and returns the current (previous)
+        rounding type.  Often used like:
+
+        context = context.copy()
+        # so you don't change the calling context
+        # if an error occurs in the middle.
+        rounding = context._set_rounding(ROUND_UP)
+        val = self.__sub__(other, context=context)
+        context._set_rounding(rounding)
+
+        This will make it round up for that operation.
+        """
+        rounding = self.rounding
+        self.rounding= type
+        return rounding
+
+    def create_decimal(self, num='0'):
+        """Creates a new Decimal instance but using self as context.
+
+        This method implements the to-number operation of the
+        IBM Decimal specification."""
+
+        if isinstance(num, str) and num != num.strip():
+            return self._raise_error(ConversionSyntax,
+                                     "no trailing or leading whitespace is "
+                                     "permitted.")
+
+        d = Decimal(num, context=self)
+        if d._isnan() and len(d._int) > self.prec - self.clamp:
+            return self._raise_error(ConversionSyntax,
+                                     "diagnostic info too long in NaN")
+        return d._fix(self)
+
+    def create_decimal_from_float(self, f):
+        """Creates a new Decimal instance from a float but rounding using self
+        as the context.
+
+        >>> context = Context(prec=5, rounding=ROUND_DOWN)
+        >>> context.create_decimal_from_float(3.1415926535897932)
+        Decimal('3.1415')
+        >>> context = Context(prec=5, traps=[Inexact])
+        >>> context.create_decimal_from_float(3.1415926535897932)
+        Traceback (most recent call last):
+            ...
+        decimal.Inexact
+
+        """
+        d = Decimal.from_float(f)       # An exact conversion
+        return d._fix(self)             # Apply the context rounding
+
+    # Methods
+    def abs(self, a):
+        """Returns the absolute value of the operand.
+
+        If the operand is negative, the result is the same as using the minus
+        operation on the operand.  Otherwise, the result is the same as using
+        the plus operation on the operand.
+
+        >>> ExtendedContext.abs(Decimal('2.1'))
+        Decimal('2.1')
+        >>> ExtendedContext.abs(Decimal('-100'))
+        Decimal('100')
+        >>> ExtendedContext.abs(Decimal('101.5'))
+        Decimal('101.5')
+        >>> ExtendedContext.abs(Decimal('-101.5'))
+        Decimal('101.5')
+        >>> ExtendedContext.abs(-1)
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.__abs__(context=self)
+
+    def add(self, a, b):
+        """Return the sum of the two operands.
+
+        >>> ExtendedContext.add(Decimal('12'), Decimal('7.00'))
+        Decimal('19.00')
+        >>> ExtendedContext.add(Decimal('1E+2'), Decimal('1.01E+4'))
+        Decimal('1.02E+4')
+        >>> ExtendedContext.add(1, Decimal(2))
+        Decimal('3')
+        >>> ExtendedContext.add(Decimal(8), 5)
+        Decimal('13')
+        >>> ExtendedContext.add(5, 5)
+        Decimal('10')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__add__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def _apply(self, a):
+        return str(a._fix(self))
+
+    def canonical(self, a):
+        """Returns the same Decimal object.
+
+        As we do not have different encodings for the same number, the
+        received object already is in its canonical form.
+
+        >>> ExtendedContext.canonical(Decimal('2.50'))
+        Decimal('2.50')
+        """
+        if not isinstance(a, Decimal):
+            raise TypeError("canonical requires a Decimal as an argument.")
+        return a.canonical()
+
+    def compare(self, a, b):
+        """Compares values numerically.
+
+        If the signs of the operands differ, a value representing each operand
+        ('-1' if the operand is less than zero, '0' if the operand is zero or
+        negative zero, or '1' if the operand is greater than zero) is used in
+        place of that operand for the comparison instead of the actual
+        operand.
+
+        The comparison is then effected by subtracting the second operand from
+        the first and then returning a value according to the result of the
+        subtraction: '-1' if the result is less than zero, '0' if the result is
+        zero or negative zero, or '1' if the result is greater than zero.
+
+        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('3'))
+        Decimal('-1')
+        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('2.1'))
+        Decimal('0')
+        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('2.10'))
+        Decimal('0')
+        >>> ExtendedContext.compare(Decimal('3'), Decimal('2.1'))
+        Decimal('1')
+        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('-3'))
+        Decimal('1')
+        >>> ExtendedContext.compare(Decimal('-3'), Decimal('2.1'))
+        Decimal('-1')
+        >>> ExtendedContext.compare(1, 2)
+        Decimal('-1')
+        >>> ExtendedContext.compare(Decimal(1), 2)
+        Decimal('-1')
+        >>> ExtendedContext.compare(1, Decimal(2))
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.compare(b, context=self)
+
+    def compare_signal(self, a, b):
+        """Compares the values of the two operands numerically.
+
+        It's pretty much like compare(), but all NaNs signal, with signaling
+        NaNs taking precedence over quiet NaNs.
+
+        >>> c = ExtendedContext
+        >>> c.compare_signal(Decimal('2.1'), Decimal('3'))
+        Decimal('-1')
+        >>> c.compare_signal(Decimal('2.1'), Decimal('2.1'))
+        Decimal('0')
+        >>> c.flags[InvalidOperation] = 0
+        >>> print(c.flags[InvalidOperation])
+        0
+        >>> c.compare_signal(Decimal('NaN'), Decimal('2.1'))
+        Decimal('NaN')
+        >>> print(c.flags[InvalidOperation])
+        1
+        >>> c.flags[InvalidOperation] = 0
+        >>> print(c.flags[InvalidOperation])
+        0
+        >>> c.compare_signal(Decimal('sNaN'), Decimal('2.1'))
+        Decimal('NaN')
+        >>> print(c.flags[InvalidOperation])
+        1
+        >>> c.compare_signal(-1, 2)
+        Decimal('-1')
+        >>> c.compare_signal(Decimal(-1), 2)
+        Decimal('-1')
+        >>> c.compare_signal(-1, Decimal(2))
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.compare_signal(b, context=self)
+
+    def compare_total(self, a, b):
+        """Compares two operands using their abstract representation.
+
+        This is not like the standard compare, which use their numerical
+        value. Note that a total ordering is defined for all possible abstract
+        representations.
+
+        >>> ExtendedContext.compare_total(Decimal('12.73'), Decimal('127.9'))
+        Decimal('-1')
+        >>> ExtendedContext.compare_total(Decimal('-127'),  Decimal('12'))
+        Decimal('-1')
+        >>> ExtendedContext.compare_total(Decimal('12.30'), Decimal('12.3'))
+        Decimal('-1')
+        >>> ExtendedContext.compare_total(Decimal('12.30'), Decimal('12.30'))
+        Decimal('0')
+        >>> ExtendedContext.compare_total(Decimal('12.3'),  Decimal('12.300'))
+        Decimal('1')
+        >>> ExtendedContext.compare_total(Decimal('12.3'),  Decimal('NaN'))
+        Decimal('-1')
+        >>> ExtendedContext.compare_total(1, 2)
+        Decimal('-1')
+        >>> ExtendedContext.compare_total(Decimal(1), 2)
+        Decimal('-1')
+        >>> ExtendedContext.compare_total(1, Decimal(2))
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.compare_total(b)
+
+    def compare_total_mag(self, a, b):
+        """Compares two operands using their abstract representation ignoring sign.
+
+        Like compare_total, but with operand's sign ignored and assumed to be 0.
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.compare_total_mag(b)
+
+    def copy_abs(self, a):
+        """Returns a copy of the operand with the sign set to 0.
+
+        >>> ExtendedContext.copy_abs(Decimal('2.1'))
+        Decimal('2.1')
+        >>> ExtendedContext.copy_abs(Decimal('-100'))
+        Decimal('100')
+        >>> ExtendedContext.copy_abs(-1)
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.copy_abs()
+
+    def copy_decimal(self, a):
+        """Returns a copy of the decimal object.
+
+        >>> ExtendedContext.copy_decimal(Decimal('2.1'))
+        Decimal('2.1')
+        >>> ExtendedContext.copy_decimal(Decimal('-1.00'))
+        Decimal('-1.00')
+        >>> ExtendedContext.copy_decimal(1)
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return Decimal(a)
+
+    def copy_negate(self, a):
+        """Returns a copy of the operand with the sign inverted.
+
+        >>> ExtendedContext.copy_negate(Decimal('101.5'))
+        Decimal('-101.5')
+        >>> ExtendedContext.copy_negate(Decimal('-101.5'))
+        Decimal('101.5')
+        >>> ExtendedContext.copy_negate(1)
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.copy_negate()
+
+    def copy_sign(self, a, b):
+        """Copies the second operand's sign to the first one.
+
+        In detail, it returns a copy of the first operand with the sign
+        equal to the sign of the second operand.
+
+        >>> ExtendedContext.copy_sign(Decimal( '1.50'), Decimal('7.33'))
+        Decimal('1.50')
+        >>> ExtendedContext.copy_sign(Decimal('-1.50'), Decimal('7.33'))
+        Decimal('1.50')
+        >>> ExtendedContext.copy_sign(Decimal( '1.50'), Decimal('-7.33'))
+        Decimal('-1.50')
+        >>> ExtendedContext.copy_sign(Decimal('-1.50'), Decimal('-7.33'))
+        Decimal('-1.50')
+        >>> ExtendedContext.copy_sign(1, -2)
+        Decimal('-1')
+        >>> ExtendedContext.copy_sign(Decimal(1), -2)
+        Decimal('-1')
+        >>> ExtendedContext.copy_sign(1, Decimal(-2))
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.copy_sign(b)
+
+    def divide(self, a, b):
+        """Decimal division in a specified context.
+
+        >>> ExtendedContext.divide(Decimal('1'), Decimal('3'))
+        Decimal('0.333333333')
+        >>> ExtendedContext.divide(Decimal('2'), Decimal('3'))
+        Decimal('0.666666667')
+        >>> ExtendedContext.divide(Decimal('5'), Decimal('2'))
+        Decimal('2.5')
+        >>> ExtendedContext.divide(Decimal('1'), Decimal('10'))
+        Decimal('0.1')
+        >>> ExtendedContext.divide(Decimal('12'), Decimal('12'))
+        Decimal('1')
+        >>> ExtendedContext.divide(Decimal('8.00'), Decimal('2'))
+        Decimal('4.00')
+        >>> ExtendedContext.divide(Decimal('2.400'), Decimal('2.0'))
+        Decimal('1.20')
+        >>> ExtendedContext.divide(Decimal('1000'), Decimal('100'))
+        Decimal('10')
+        >>> ExtendedContext.divide(Decimal('1000'), Decimal('1'))
+        Decimal('1000')
+        >>> ExtendedContext.divide(Decimal('2.40E+6'), Decimal('2'))
+        Decimal('1.20E+6')
+        >>> ExtendedContext.divide(5, 5)
+        Decimal('1')
+        >>> ExtendedContext.divide(Decimal(5), 5)
+        Decimal('1')
+        >>> ExtendedContext.divide(5, Decimal(5))
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__truediv__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def divide_int(self, a, b):
+        """Divides two numbers and returns the integer part of the result.
+
+        >>> ExtendedContext.divide_int(Decimal('2'), Decimal('3'))
+        Decimal('0')
+        >>> ExtendedContext.divide_int(Decimal('10'), Decimal('3'))
+        Decimal('3')
+        >>> ExtendedContext.divide_int(Decimal('1'), Decimal('0.3'))
+        Decimal('3')
+        >>> ExtendedContext.divide_int(10, 3)
+        Decimal('3')
+        >>> ExtendedContext.divide_int(Decimal(10), 3)
+        Decimal('3')
+        >>> ExtendedContext.divide_int(10, Decimal(3))
+        Decimal('3')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__floordiv__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def divmod(self, a, b):
+        """Return (a // b, a % b).
+
+        >>> ExtendedContext.divmod(Decimal(8), Decimal(3))
+        (Decimal('2'), Decimal('2'))
+        >>> ExtendedContext.divmod(Decimal(8), Decimal(4))
+        (Decimal('2'), Decimal('0'))
+        >>> ExtendedContext.divmod(8, 4)
+        (Decimal('2'), Decimal('0'))
+        >>> ExtendedContext.divmod(Decimal(8), 4)
+        (Decimal('2'), Decimal('0'))
+        >>> ExtendedContext.divmod(8, Decimal(4))
+        (Decimal('2'), Decimal('0'))
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__divmod__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def exp(self, a):
+        """Returns e ** a.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.exp(Decimal('-Infinity'))
+        Decimal('0')
+        >>> c.exp(Decimal('-1'))
+        Decimal('0.367879441')
+        >>> c.exp(Decimal('0'))
+        Decimal('1')
+        >>> c.exp(Decimal('1'))
+        Decimal('2.71828183')
+        >>> c.exp(Decimal('0.693147181'))
+        Decimal('2.00000000')
+        >>> c.exp(Decimal('+Infinity'))
+        Decimal('Infinity')
+        >>> c.exp(10)
+        Decimal('22026.4658')
+        """
+        a =_convert_other(a, raiseit=True)
+        return a.exp(context=self)
+
+    def fma(self, a, b, c):
+        """Returns a multiplied by b, plus c.
+
+        The first two operands are multiplied together, using multiply,
+        the third operand is then added to the result of that
+        multiplication, using add, all with only one final rounding.
+
+        >>> ExtendedContext.fma(Decimal('3'), Decimal('5'), Decimal('7'))
+        Decimal('22')
+        >>> ExtendedContext.fma(Decimal('3'), Decimal('-5'), Decimal('7'))
+        Decimal('-8')
+        >>> ExtendedContext.fma(Decimal('888565290'), Decimal('1557.96930'), Decimal('-86087.7578'))
+        Decimal('1.38435736E+12')
+        >>> ExtendedContext.fma(1, 3, 4)
+        Decimal('7')
+        >>> ExtendedContext.fma(1, Decimal(3), 4)
+        Decimal('7')
+        >>> ExtendedContext.fma(1, 3, Decimal(4))
+        Decimal('7')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.fma(b, c, context=self)
+
+    def is_canonical(self, a):
+        """Return True if the operand is canonical; otherwise return False.
+
+        Currently, the encoding of a Decimal instance is always
+        canonical, so this method returns True for any Decimal.
+
+        >>> ExtendedContext.is_canonical(Decimal('2.50'))
+        True
+        """
+        if not isinstance(a, Decimal):
+            raise TypeError("is_canonical requires a Decimal as an argument.")
+        return a.is_canonical()
+
+    def is_finite(self, a):
+        """Return True if the operand is finite; otherwise return False.
+
+        A Decimal instance is considered finite if it is neither
+        infinite nor a NaN.
+
+        >>> ExtendedContext.is_finite(Decimal('2.50'))
+        True
+        >>> ExtendedContext.is_finite(Decimal('-0.3'))
+        True
+        >>> ExtendedContext.is_finite(Decimal('0'))
+        True
+        >>> ExtendedContext.is_finite(Decimal('Inf'))
+        False
+        >>> ExtendedContext.is_finite(Decimal('NaN'))
+        False
+        >>> ExtendedContext.is_finite(1)
+        True
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_finite()
+
+    def is_infinite(self, a):
+        """Return True if the operand is infinite; otherwise return False.
+
+        >>> ExtendedContext.is_infinite(Decimal('2.50'))
+        False
+        >>> ExtendedContext.is_infinite(Decimal('-Inf'))
+        True
+        >>> ExtendedContext.is_infinite(Decimal('NaN'))
+        False
+        >>> ExtendedContext.is_infinite(1)
+        False
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_infinite()
+
+    def is_nan(self, a):
+        """Return True if the operand is a qNaN or sNaN;
+        otherwise return False.
+
+        >>> ExtendedContext.is_nan(Decimal('2.50'))
+        False
+        >>> ExtendedContext.is_nan(Decimal('NaN'))
+        True
+        >>> ExtendedContext.is_nan(Decimal('-sNaN'))
+        True
+        >>> ExtendedContext.is_nan(1)
+        False
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_nan()
+
+    def is_normal(self, a):
+        """Return True if the operand is a normal number;
+        otherwise return False.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.is_normal(Decimal('2.50'))
+        True
+        >>> c.is_normal(Decimal('0.1E-999'))
+        False
+        >>> c.is_normal(Decimal('0.00'))
+        False
+        >>> c.is_normal(Decimal('-Inf'))
+        False
+        >>> c.is_normal(Decimal('NaN'))
+        False
+        >>> c.is_normal(1)
+        True
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_normal(context=self)
+
+    def is_qnan(self, a):
+        """Return True if the operand is a quiet NaN; otherwise return False.
+
+        >>> ExtendedContext.is_qnan(Decimal('2.50'))
+        False
+        >>> ExtendedContext.is_qnan(Decimal('NaN'))
+        True
+        >>> ExtendedContext.is_qnan(Decimal('sNaN'))
+        False
+        >>> ExtendedContext.is_qnan(1)
+        False
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_qnan()
+
+    def is_signed(self, a):
+        """Return True if the operand is negative; otherwise return False.
+
+        >>> ExtendedContext.is_signed(Decimal('2.50'))
+        False
+        >>> ExtendedContext.is_signed(Decimal('-12'))
+        True
+        >>> ExtendedContext.is_signed(Decimal('-0'))
+        True
+        >>> ExtendedContext.is_signed(8)
+        False
+        >>> ExtendedContext.is_signed(-8)
+        True
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_signed()
+
+    def is_snan(self, a):
+        """Return True if the operand is a signaling NaN;
+        otherwise return False.
+
+        >>> ExtendedContext.is_snan(Decimal('2.50'))
+        False
+        >>> ExtendedContext.is_snan(Decimal('NaN'))
+        False
+        >>> ExtendedContext.is_snan(Decimal('sNaN'))
+        True
+        >>> ExtendedContext.is_snan(1)
+        False
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_snan()
+
+    def is_subnormal(self, a):
+        """Return True if the operand is subnormal; otherwise return False.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.is_subnormal(Decimal('2.50'))
+        False
+        >>> c.is_subnormal(Decimal('0.1E-999'))
+        True
+        >>> c.is_subnormal(Decimal('0.00'))
+        False
+        >>> c.is_subnormal(Decimal('-Inf'))
+        False
+        >>> c.is_subnormal(Decimal('NaN'))
+        False
+        >>> c.is_subnormal(1)
+        False
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_subnormal(context=self)
+
+    def is_zero(self, a):
+        """Return True if the operand is a zero; otherwise return False.
+
+        >>> ExtendedContext.is_zero(Decimal('0'))
+        True
+        >>> ExtendedContext.is_zero(Decimal('2.50'))
+        False
+        >>> ExtendedContext.is_zero(Decimal('-0E+2'))
+        True
+        >>> ExtendedContext.is_zero(1)
+        False
+        >>> ExtendedContext.is_zero(0)
+        True
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.is_zero()
+
+    def ln(self, a):
+        """Returns the natural (base e) logarithm of the operand.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.ln(Decimal('0'))
+        Decimal('-Infinity')
+        >>> c.ln(Decimal('1.000'))
+        Decimal('0')
+        >>> c.ln(Decimal('2.71828183'))
+        Decimal('1.00000000')
+        >>> c.ln(Decimal('10'))
+        Decimal('2.30258509')
+        >>> c.ln(Decimal('+Infinity'))
+        Decimal('Infinity')
+        >>> c.ln(1)
+        Decimal('0')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.ln(context=self)
+
+    def log10(self, a):
+        """Returns the base 10 logarithm of the operand.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.log10(Decimal('0'))
+        Decimal('-Infinity')
+        >>> c.log10(Decimal('0.001'))
+        Decimal('-3')
+        >>> c.log10(Decimal('1.000'))
+        Decimal('0')
+        >>> c.log10(Decimal('2'))
+        Decimal('0.301029996')
+        >>> c.log10(Decimal('10'))
+        Decimal('1')
+        >>> c.log10(Decimal('70'))
+        Decimal('1.84509804')
+        >>> c.log10(Decimal('+Infinity'))
+        Decimal('Infinity')
+        >>> c.log10(0)
+        Decimal('-Infinity')
+        >>> c.log10(1)
+        Decimal('0')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.log10(context=self)
+
+    def logb(self, a):
+        """ Returns the exponent of the magnitude of the operand's MSD.
+
+        The result is the integer which is the exponent of the magnitude
+        of the most significant digit of the operand (as though the
+        operand were truncated to a single digit while maintaining the
+        value of that digit and without limiting the resulting exponent).
+
+        >>> ExtendedContext.logb(Decimal('250'))
+        Decimal('2')
+        >>> ExtendedContext.logb(Decimal('2.50'))
+        Decimal('0')
+        >>> ExtendedContext.logb(Decimal('0.03'))
+        Decimal('-2')
+        >>> ExtendedContext.logb(Decimal('0'))
+        Decimal('-Infinity')
+        >>> ExtendedContext.logb(1)
+        Decimal('0')
+        >>> ExtendedContext.logb(10)
+        Decimal('1')
+        >>> ExtendedContext.logb(100)
+        Decimal('2')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.logb(context=self)
+
+    def logical_and(self, a, b):
+        """Applies the logical operation 'and' between each operand's digits.
+
+        The operands must be both logical numbers.
+
+        >>> ExtendedContext.logical_and(Decimal('0'), Decimal('0'))
+        Decimal('0')
+        >>> ExtendedContext.logical_and(Decimal('0'), Decimal('1'))
+        Decimal('0')
+        >>> ExtendedContext.logical_and(Decimal('1'), Decimal('0'))
+        Decimal('0')
+        >>> ExtendedContext.logical_and(Decimal('1'), Decimal('1'))
+        Decimal('1')
+        >>> ExtendedContext.logical_and(Decimal('1100'), Decimal('1010'))
+        Decimal('1000')
+        >>> ExtendedContext.logical_and(Decimal('1111'), Decimal('10'))
+        Decimal('10')
+        >>> ExtendedContext.logical_and(110, 1101)
+        Decimal('100')
+        >>> ExtendedContext.logical_and(Decimal(110), 1101)
+        Decimal('100')
+        >>> ExtendedContext.logical_and(110, Decimal(1101))
+        Decimal('100')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.logical_and(b, context=self)
+
+    def logical_invert(self, a):
+        """Invert all the digits in the operand.
+
+        The operand must be a logical number.
+
+        >>> ExtendedContext.logical_invert(Decimal('0'))
+        Decimal('111111111')
+        >>> ExtendedContext.logical_invert(Decimal('1'))
+        Decimal('111111110')
+        >>> ExtendedContext.logical_invert(Decimal('111111111'))
+        Decimal('0')
+        >>> ExtendedContext.logical_invert(Decimal('101010101'))
+        Decimal('10101010')
+        >>> ExtendedContext.logical_invert(1101)
+        Decimal('111110010')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.logical_invert(context=self)
+
+    def logical_or(self, a, b):
+        """Applies the logical operation 'or' between each operand's digits.
+
+        The operands must be both logical numbers.
+
+        >>> ExtendedContext.logical_or(Decimal('0'), Decimal('0'))
+        Decimal('0')
+        >>> ExtendedContext.logical_or(Decimal('0'), Decimal('1'))
+        Decimal('1')
+        >>> ExtendedContext.logical_or(Decimal('1'), Decimal('0'))
+        Decimal('1')
+        >>> ExtendedContext.logical_or(Decimal('1'), Decimal('1'))
+        Decimal('1')
+        >>> ExtendedContext.logical_or(Decimal('1100'), Decimal('1010'))
+        Decimal('1110')
+        >>> ExtendedContext.logical_or(Decimal('1110'), Decimal('10'))
+        Decimal('1110')
+        >>> ExtendedContext.logical_or(110, 1101)
+        Decimal('1111')
+        >>> ExtendedContext.logical_or(Decimal(110), 1101)
+        Decimal('1111')
+        >>> ExtendedContext.logical_or(110, Decimal(1101))
+        Decimal('1111')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.logical_or(b, context=self)
+
+    def logical_xor(self, a, b):
+        """Applies the logical operation 'xor' between each operand's digits.
+
+        The operands must be both logical numbers.
+
+        >>> ExtendedContext.logical_xor(Decimal('0'), Decimal('0'))
+        Decimal('0')
+        >>> ExtendedContext.logical_xor(Decimal('0'), Decimal('1'))
+        Decimal('1')
+        >>> ExtendedContext.logical_xor(Decimal('1'), Decimal('0'))
+        Decimal('1')
+        >>> ExtendedContext.logical_xor(Decimal('1'), Decimal('1'))
+        Decimal('0')
+        >>> ExtendedContext.logical_xor(Decimal('1100'), Decimal('1010'))
+        Decimal('110')
+        >>> ExtendedContext.logical_xor(Decimal('1111'), Decimal('10'))
+        Decimal('1101')
+        >>> ExtendedContext.logical_xor(110, 1101)
+        Decimal('1011')
+        >>> ExtendedContext.logical_xor(Decimal(110), 1101)
+        Decimal('1011')
+        >>> ExtendedContext.logical_xor(110, Decimal(1101))
+        Decimal('1011')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.logical_xor(b, context=self)
+
+    def max(self, a, b):
+        """max compares two values numerically and returns the maximum.
+
+        If either operand is a NaN then the general rules apply.
+        Otherwise, the operands are compared as though by the compare
+        operation.  If they are numerically equal then the left-hand operand
+        is chosen as the result.  Otherwise the maximum (closer to positive
+        infinity) of the two operands is chosen as the result.
+
+        >>> ExtendedContext.max(Decimal('3'), Decimal('2'))
+        Decimal('3')
+        >>> ExtendedContext.max(Decimal('-10'), Decimal('3'))
+        Decimal('3')
+        >>> ExtendedContext.max(Decimal('1.0'), Decimal('1'))
+        Decimal('1')
+        >>> ExtendedContext.max(Decimal('7'), Decimal('NaN'))
+        Decimal('7')
+        >>> ExtendedContext.max(1, 2)
+        Decimal('2')
+        >>> ExtendedContext.max(Decimal(1), 2)
+        Decimal('2')
+        >>> ExtendedContext.max(1, Decimal(2))
+        Decimal('2')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.max(b, context=self)
+
+    def max_mag(self, a, b):
+        """Compares the values numerically with their sign ignored.
+
+        >>> ExtendedContext.max_mag(Decimal('7'), Decimal('NaN'))
+        Decimal('7')
+        >>> ExtendedContext.max_mag(Decimal('7'), Decimal('-10'))
+        Decimal('-10')
+        >>> ExtendedContext.max_mag(1, -2)
+        Decimal('-2')
+        >>> ExtendedContext.max_mag(Decimal(1), -2)
+        Decimal('-2')
+        >>> ExtendedContext.max_mag(1, Decimal(-2))
+        Decimal('-2')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.max_mag(b, context=self)
+
+    def min(self, a, b):
+        """min compares two values numerically and returns the minimum.
+
+        If either operand is a NaN then the general rules apply.
+        Otherwise, the operands are compared as though by the compare
+        operation.  If they are numerically equal then the left-hand operand
+        is chosen as the result.  Otherwise the minimum (closer to negative
+        infinity) of the two operands is chosen as the result.
+
+        >>> ExtendedContext.min(Decimal('3'), Decimal('2'))
+        Decimal('2')
+        >>> ExtendedContext.min(Decimal('-10'), Decimal('3'))
+        Decimal('-10')
+        >>> ExtendedContext.min(Decimal('1.0'), Decimal('1'))
+        Decimal('1.0')
+        >>> ExtendedContext.min(Decimal('7'), Decimal('NaN'))
+        Decimal('7')
+        >>> ExtendedContext.min(1, 2)
+        Decimal('1')
+        >>> ExtendedContext.min(Decimal(1), 2)
+        Decimal('1')
+        >>> ExtendedContext.min(1, Decimal(29))
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.min(b, context=self)
+
+    def min_mag(self, a, b):
+        """Compares the values numerically with their sign ignored.
+
+        >>> ExtendedContext.min_mag(Decimal('3'), Decimal('-2'))
+        Decimal('-2')
+        >>> ExtendedContext.min_mag(Decimal('-3'), Decimal('NaN'))
+        Decimal('-3')
+        >>> ExtendedContext.min_mag(1, -2)
+        Decimal('1')
+        >>> ExtendedContext.min_mag(Decimal(1), -2)
+        Decimal('1')
+        >>> ExtendedContext.min_mag(1, Decimal(-2))
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.min_mag(b, context=self)
+
+    def minus(self, a):
+        """Minus corresponds to unary prefix minus in Python.
+
+        The operation is evaluated using the same rules as subtract; the
+        operation minus(a) is calculated as subtract('0', a) where the '0'
+        has the same exponent as the operand.
+
+        >>> ExtendedContext.minus(Decimal('1.3'))
+        Decimal('-1.3')
+        >>> ExtendedContext.minus(Decimal('-1.3'))
+        Decimal('1.3')
+        >>> ExtendedContext.minus(1)
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.__neg__(context=self)
+
+    def multiply(self, a, b):
+        """multiply multiplies two operands.
+
+        If either operand is a special value then the general rules apply.
+        Otherwise, the operands are multiplied together
+        ('long multiplication'), resulting in a number which may be as long as
+        the sum of the lengths of the two operands.
+
+        >>> ExtendedContext.multiply(Decimal('1.20'), Decimal('3'))
+        Decimal('3.60')
+        >>> ExtendedContext.multiply(Decimal('7'), Decimal('3'))
+        Decimal('21')
+        >>> ExtendedContext.multiply(Decimal('0.9'), Decimal('0.8'))
+        Decimal('0.72')
+        >>> ExtendedContext.multiply(Decimal('0.9'), Decimal('-0'))
+        Decimal('-0.0')
+        >>> ExtendedContext.multiply(Decimal('654321'), Decimal('654321'))
+        Decimal('4.28135971E+11')
+        >>> ExtendedContext.multiply(7, 7)
+        Decimal('49')
+        >>> ExtendedContext.multiply(Decimal(7), 7)
+        Decimal('49')
+        >>> ExtendedContext.multiply(7, Decimal(7))
+        Decimal('49')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__mul__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def next_minus(self, a):
+        """Returns the largest representable number smaller than a.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> ExtendedContext.next_minus(Decimal('1'))
+        Decimal('0.999999999')
+        >>> c.next_minus(Decimal('1E-1007'))
+        Decimal('0E-1007')
+        >>> ExtendedContext.next_minus(Decimal('-1.00000003'))
+        Decimal('-1.00000004')
+        >>> c.next_minus(Decimal('Infinity'))
+        Decimal('9.99999999E+999')
+        >>> c.next_minus(1)
+        Decimal('0.999999999')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.next_minus(context=self)
+
+    def next_plus(self, a):
+        """Returns the smallest representable number larger than a.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> ExtendedContext.next_plus(Decimal('1'))
+        Decimal('1.00000001')
+        >>> c.next_plus(Decimal('-1E-1007'))
+        Decimal('-0E-1007')
+        >>> ExtendedContext.next_plus(Decimal('-1.00000003'))
+        Decimal('-1.00000002')
+        >>> c.next_plus(Decimal('-Infinity'))
+        Decimal('-9.99999999E+999')
+        >>> c.next_plus(1)
+        Decimal('1.00000001')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.next_plus(context=self)
+
+    def next_toward(self, a, b):
+        """Returns the number closest to a, in direction towards b.
+
+        The result is the closest representable number from the first
+        operand (but not the first operand) that is in the direction
+        towards the second operand, unless the operands have the same
+        value.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.next_toward(Decimal('1'), Decimal('2'))
+        Decimal('1.00000001')
+        >>> c.next_toward(Decimal('-1E-1007'), Decimal('1'))
+        Decimal('-0E-1007')
+        >>> c.next_toward(Decimal('-1.00000003'), Decimal('0'))
+        Decimal('-1.00000002')
+        >>> c.next_toward(Decimal('1'), Decimal('0'))
+        Decimal('0.999999999')
+        >>> c.next_toward(Decimal('1E-1007'), Decimal('-100'))
+        Decimal('0E-1007')
+        >>> c.next_toward(Decimal('-1.00000003'), Decimal('-10'))
+        Decimal('-1.00000004')
+        >>> c.next_toward(Decimal('0.00'), Decimal('-0.0000'))
+        Decimal('-0.00')
+        >>> c.next_toward(0, 1)
+        Decimal('1E-1007')
+        >>> c.next_toward(Decimal(0), 1)
+        Decimal('1E-1007')
+        >>> c.next_toward(0, Decimal(1))
+        Decimal('1E-1007')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.next_toward(b, context=self)
+
+    def normalize(self, a):
+        """normalize reduces an operand to its simplest form.
+
+        Essentially a plus operation with all trailing zeros removed from the
+        result.
+
+        >>> ExtendedContext.normalize(Decimal('2.1'))
+        Decimal('2.1')
+        >>> ExtendedContext.normalize(Decimal('-2.0'))
+        Decimal('-2')
+        >>> ExtendedContext.normalize(Decimal('1.200'))
+        Decimal('1.2')
+        >>> ExtendedContext.normalize(Decimal('-120'))
+        Decimal('-1.2E+2')
+        >>> ExtendedContext.normalize(Decimal('120.00'))
+        Decimal('1.2E+2')
+        >>> ExtendedContext.normalize(Decimal('0.00'))
+        Decimal('0')
+        >>> ExtendedContext.normalize(6)
+        Decimal('6')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.normalize(context=self)
+
+    def number_class(self, a):
+        """Returns an indication of the class of the operand.
+
+        The class is one of the following strings:
+          -sNaN
+          -NaN
+          -Infinity
+          -Normal
+          -Subnormal
+          -Zero
+          +Zero
+          +Subnormal
+          +Normal
+          +Infinity
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.number_class(Decimal('Infinity'))
+        '+Infinity'
+        >>> c.number_class(Decimal('1E-10'))
+        '+Normal'
+        >>> c.number_class(Decimal('2.50'))
+        '+Normal'
+        >>> c.number_class(Decimal('0.1E-999'))
+        '+Subnormal'
+        >>> c.number_class(Decimal('0'))
+        '+Zero'
+        >>> c.number_class(Decimal('-0'))
+        '-Zero'
+        >>> c.number_class(Decimal('-0.1E-999'))
+        '-Subnormal'
+        >>> c.number_class(Decimal('-1E-10'))
+        '-Normal'
+        >>> c.number_class(Decimal('-2.50'))
+        '-Normal'
+        >>> c.number_class(Decimal('-Infinity'))
+        '-Infinity'
+        >>> c.number_class(Decimal('NaN'))
+        'NaN'
+        >>> c.number_class(Decimal('-NaN'))
+        'NaN'
+        >>> c.number_class(Decimal('sNaN'))
+        'sNaN'
+        >>> c.number_class(123)
+        '+Normal'
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.number_class(context=self)
+
+    def plus(self, a):
+        """Plus corresponds to unary prefix plus in Python.
+
+        The operation is evaluated using the same rules as add; the
+        operation plus(a) is calculated as add('0', a) where the '0'
+        has the same exponent as the operand.
+
+        >>> ExtendedContext.plus(Decimal('1.3'))
+        Decimal('1.3')
+        >>> ExtendedContext.plus(Decimal('-1.3'))
+        Decimal('-1.3')
+        >>> ExtendedContext.plus(-1)
+        Decimal('-1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.__pos__(context=self)
+
+    def power(self, a, b, modulo=None):
+        """Raises a to the power of b, to modulo if given.
+
+        With two arguments, compute a**b.  If a is negative then b
+        must be integral.  The result will be inexact unless b is
+        integral and the result is finite and can be expressed exactly
+        in 'precision' digits.
+
+        With three arguments, compute (a**b) % modulo.  For the
+        three argument form, the following restrictions on the
+        arguments hold:
+
+         - all three arguments must be integral
+         - b must be nonnegative
+         - at least one of a or b must be nonzero
+         - modulo must be nonzero and have at most 'precision' digits
+
+        The result of pow(a, b, modulo) is identical to the result
+        that would be obtained by computing (a**b) % modulo with
+        unbounded precision, but is computed more efficiently.  It is
+        always exact.
+
+        >>> c = ExtendedContext.copy()
+        >>> c.Emin = -999
+        >>> c.Emax = 999
+        >>> c.power(Decimal('2'), Decimal('3'))
+        Decimal('8')
+        >>> c.power(Decimal('-2'), Decimal('3'))
+        Decimal('-8')
+        >>> c.power(Decimal('2'), Decimal('-3'))
+        Decimal('0.125')
+        >>> c.power(Decimal('1.7'), Decimal('8'))
+        Decimal('69.7575744')
+        >>> c.power(Decimal('10'), Decimal('0.301029996'))
+        Decimal('2.00000000')
+        >>> c.power(Decimal('Infinity'), Decimal('-1'))
+        Decimal('0')
+        >>> c.power(Decimal('Infinity'), Decimal('0'))
+        Decimal('1')
+        >>> c.power(Decimal('Infinity'), Decimal('1'))
+        Decimal('Infinity')
+        >>> c.power(Decimal('-Infinity'), Decimal('-1'))
+        Decimal('-0')
+        >>> c.power(Decimal('-Infinity'), Decimal('0'))
+        Decimal('1')
+        >>> c.power(Decimal('-Infinity'), Decimal('1'))
+        Decimal('-Infinity')
+        >>> c.power(Decimal('-Infinity'), Decimal('2'))
+        Decimal('Infinity')
+        >>> c.power(Decimal('0'), Decimal('0'))
+        Decimal('NaN')
+
+        >>> c.power(Decimal('3'), Decimal('7'), Decimal('16'))
+        Decimal('11')
+        >>> c.power(Decimal('-3'), Decimal('7'), Decimal('16'))
+        Decimal('-11')
+        >>> c.power(Decimal('-3'), Decimal('8'), Decimal('16'))
+        Decimal('1')
+        >>> c.power(Decimal('3'), Decimal('7'), Decimal('-16'))
+        Decimal('11')
+        >>> c.power(Decimal('23E12345'), Decimal('67E189'), Decimal('123456789'))
+        Decimal('11729830')
+        >>> c.power(Decimal('-0'), Decimal('17'), Decimal('1729'))
+        Decimal('-0')
+        >>> c.power(Decimal('-23'), Decimal('0'), Decimal('65537'))
+        Decimal('1')
+        >>> ExtendedContext.power(7, 7)
+        Decimal('823543')
+        >>> ExtendedContext.power(Decimal(7), 7)
+        Decimal('823543')
+        >>> ExtendedContext.power(7, Decimal(7), 2)
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__pow__(b, modulo, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def quantize(self, a, b):
+        """Returns a value equal to 'a' (rounded), having the exponent of 'b'.
+
+        The coefficient of the result is derived from that of the left-hand
+        operand.  It may be rounded using the current rounding setting (if the
+        exponent is being increased), multiplied by a positive power of ten (if
+        the exponent is being decreased), or is unchanged (if the exponent is
+        already equal to that of the right-hand operand).
+
+        Unlike other operations, if the length of the coefficient after the
+        quantize operation would be greater than precision then an Invalid
+        operation condition is raised.  This guarantees that, unless there is
+        an error condition, the exponent of the result of a quantize is always
+        equal to that of the right-hand operand.
+
+        Also unlike other operations, quantize will never raise Underflow, even
+        if the result is subnormal and inexact.
+
+        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.001'))
+        Decimal('2.170')
+        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.01'))
+        Decimal('2.17')
+        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.1'))
+        Decimal('2.2')
+        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('1e+0'))
+        Decimal('2')
+        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('1e+1'))
+        Decimal('0E+1')
+        >>> ExtendedContext.quantize(Decimal('-Inf'), Decimal('Infinity'))
+        Decimal('-Infinity')
+        >>> ExtendedContext.quantize(Decimal('2'), Decimal('Infinity'))
+        Decimal('NaN')
+        >>> ExtendedContext.quantize(Decimal('-0.1'), Decimal('1'))
+        Decimal('-0')
+        >>> ExtendedContext.quantize(Decimal('-0'), Decimal('1e+5'))
+        Decimal('-0E+5')
+        >>> ExtendedContext.quantize(Decimal('+35236450.6'), Decimal('1e-2'))
+        Decimal('NaN')
+        >>> ExtendedContext.quantize(Decimal('-35236450.6'), Decimal('1e-2'))
+        Decimal('NaN')
+        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e-1'))
+        Decimal('217.0')
+        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e-0'))
+        Decimal('217')
+        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e+1'))
+        Decimal('2.2E+2')
+        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e+2'))
+        Decimal('2E+2')
+        >>> ExtendedContext.quantize(1, 2)
+        Decimal('1')
+        >>> ExtendedContext.quantize(Decimal(1), 2)
+        Decimal('1')
+        >>> ExtendedContext.quantize(1, Decimal(2))
+        Decimal('1')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.quantize(b, context=self)
+
+    def radix(self):
+        """Just returns 10, as this is Decimal, :)
+
+        >>> ExtendedContext.radix()
+        Decimal('10')
+        """
+        return Decimal(10)
+
+    def remainder(self, a, b):
+        """Returns the remainder from integer division.
+
+        The result is the residue of the dividend after the operation of
+        calculating integer division as described for divide-integer, rounded
+        to precision digits if necessary.  The sign of the result, if
+        non-zero, is the same as that of the original dividend.
+
+        This operation will fail under the same conditions as integer division
+        (that is, if integer division on the same two operands would fail, the
+        remainder cannot be calculated).
+
+        >>> ExtendedContext.remainder(Decimal('2.1'), Decimal('3'))
+        Decimal('2.1')
+        >>> ExtendedContext.remainder(Decimal('10'), Decimal('3'))
+        Decimal('1')
+        >>> ExtendedContext.remainder(Decimal('-10'), Decimal('3'))
+        Decimal('-1')
+        >>> ExtendedContext.remainder(Decimal('10.2'), Decimal('1'))
+        Decimal('0.2')
+        >>> ExtendedContext.remainder(Decimal('10'), Decimal('0.3'))
+        Decimal('0.1')
+        >>> ExtendedContext.remainder(Decimal('3.6'), Decimal('1.3'))
+        Decimal('1.0')
+        >>> ExtendedContext.remainder(22, 6)
+        Decimal('4')
+        >>> ExtendedContext.remainder(Decimal(22), 6)
+        Decimal('4')
+        >>> ExtendedContext.remainder(22, Decimal(6))
+        Decimal('4')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__mod__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def remainder_near(self, a, b):
+        """Returns to be "a - b * n", where n is the integer nearest the exact
+        value of "x / b" (if two integers are equally near then the even one
+        is chosen).  If the result is equal to 0 then its sign will be the
+        sign of a.
+
+        This operation will fail under the same conditions as integer division
+        (that is, if integer division on the same two operands would fail, the
+        remainder cannot be calculated).
+
+        >>> ExtendedContext.remainder_near(Decimal('2.1'), Decimal('3'))
+        Decimal('-0.9')
+        >>> ExtendedContext.remainder_near(Decimal('10'), Decimal('6'))
+        Decimal('-2')
+        >>> ExtendedContext.remainder_near(Decimal('10'), Decimal('3'))
+        Decimal('1')
+        >>> ExtendedContext.remainder_near(Decimal('-10'), Decimal('3'))
+        Decimal('-1')
+        >>> ExtendedContext.remainder_near(Decimal('10.2'), Decimal('1'))
+        Decimal('0.2')
+        >>> ExtendedContext.remainder_near(Decimal('10'), Decimal('0.3'))
+        Decimal('0.1')
+        >>> ExtendedContext.remainder_near(Decimal('3.6'), Decimal('1.3'))
+        Decimal('-0.3')
+        >>> ExtendedContext.remainder_near(3, 11)
+        Decimal('3')
+        >>> ExtendedContext.remainder_near(Decimal(3), 11)
+        Decimal('3')
+        >>> ExtendedContext.remainder_near(3, Decimal(11))
+        Decimal('3')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.remainder_near(b, context=self)
+
+    def rotate(self, a, b):
+        """Returns a rotated copy of a, b times.
+
+        The coefficient of the result is a rotated copy of the digits in
+        the coefficient of the first operand.  The number of places of
+        rotation is taken from the absolute value of the second operand,
+        with the rotation being to the left if the second operand is
+        positive or to the right otherwise.
+
+        >>> ExtendedContext.rotate(Decimal('34'), Decimal('8'))
+        Decimal('400000003')
+        >>> ExtendedContext.rotate(Decimal('12'), Decimal('9'))
+        Decimal('12')
+        >>> ExtendedContext.rotate(Decimal('123456789'), Decimal('-2'))
+        Decimal('891234567')
+        >>> ExtendedContext.rotate(Decimal('123456789'), Decimal('0'))
+        Decimal('123456789')
+        >>> ExtendedContext.rotate(Decimal('123456789'), Decimal('+2'))
+        Decimal('345678912')
+        >>> ExtendedContext.rotate(1333333, 1)
+        Decimal('13333330')
+        >>> ExtendedContext.rotate(Decimal(1333333), 1)
+        Decimal('13333330')
+        >>> ExtendedContext.rotate(1333333, Decimal(1))
+        Decimal('13333330')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.rotate(b, context=self)
+
+    def same_quantum(self, a, b):
+        """Returns True if the two operands have the same exponent.
+
+        The result is never affected by either the sign or the coefficient of
+        either operand.
+
+        >>> ExtendedContext.same_quantum(Decimal('2.17'), Decimal('0.001'))
+        False
+        >>> ExtendedContext.same_quantum(Decimal('2.17'), Decimal('0.01'))
+        True
+        >>> ExtendedContext.same_quantum(Decimal('2.17'), Decimal('1'))
+        False
+        >>> ExtendedContext.same_quantum(Decimal('Inf'), Decimal('-Inf'))
+        True
+        >>> ExtendedContext.same_quantum(10000, -1)
+        True
+        >>> ExtendedContext.same_quantum(Decimal(10000), -1)
+        True
+        >>> ExtendedContext.same_quantum(10000, Decimal(-1))
+        True
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.same_quantum(b)
+
+    def scaleb (self, a, b):
+        """Returns the first operand after adding the second value its exp.
+
+        >>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('-2'))
+        Decimal('0.0750')
+        >>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('0'))
+        Decimal('7.50')
+        >>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('3'))
+        Decimal('7.50E+3')
+        >>> ExtendedContext.scaleb(1, 4)
+        Decimal('1E+4')
+        >>> ExtendedContext.scaleb(Decimal(1), 4)
+        Decimal('1E+4')
+        >>> ExtendedContext.scaleb(1, Decimal(4))
+        Decimal('1E+4')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.scaleb(b, context=self)
+
+    def shift(self, a, b):
+        """Returns a shifted copy of a, b times.
+
+        The coefficient of the result is a shifted copy of the digits
+        in the coefficient of the first operand.  The number of places
+        to shift is taken from the absolute value of the second operand,
+        with the shift being to the left if the second operand is
+        positive or to the right otherwise.  Digits shifted into the
+        coefficient are zeros.
+
+        >>> ExtendedContext.shift(Decimal('34'), Decimal('8'))
+        Decimal('400000000')
+        >>> ExtendedContext.shift(Decimal('12'), Decimal('9'))
+        Decimal('0')
+        >>> ExtendedContext.shift(Decimal('123456789'), Decimal('-2'))
+        Decimal('1234567')
+        >>> ExtendedContext.shift(Decimal('123456789'), Decimal('0'))
+        Decimal('123456789')
+        >>> ExtendedContext.shift(Decimal('123456789'), Decimal('+2'))
+        Decimal('345678900')
+        >>> ExtendedContext.shift(88888888, 2)
+        Decimal('888888800')
+        >>> ExtendedContext.shift(Decimal(88888888), 2)
+        Decimal('888888800')
+        >>> ExtendedContext.shift(88888888, Decimal(2))
+        Decimal('888888800')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.shift(b, context=self)
+
+    def sqrt(self, a):
+        """Square root of a non-negative number to context precision.
+
+        If the result must be inexact, it is rounded using the round-half-even
+        algorithm.
+
+        >>> ExtendedContext.sqrt(Decimal('0'))
+        Decimal('0')
+        >>> ExtendedContext.sqrt(Decimal('-0'))
+        Decimal('-0')
+        >>> ExtendedContext.sqrt(Decimal('0.39'))
+        Decimal('0.624499800')
+        >>> ExtendedContext.sqrt(Decimal('100'))
+        Decimal('10')
+        >>> ExtendedContext.sqrt(Decimal('1'))
+        Decimal('1')
+        >>> ExtendedContext.sqrt(Decimal('1.0'))
+        Decimal('1.0')
+        >>> ExtendedContext.sqrt(Decimal('1.00'))
+        Decimal('1.0')
+        >>> ExtendedContext.sqrt(Decimal('7'))
+        Decimal('2.64575131')
+        >>> ExtendedContext.sqrt(Decimal('10'))
+        Decimal('3.16227766')
+        >>> ExtendedContext.sqrt(2)
+        Decimal('1.41421356')
+        >>> ExtendedContext.prec
+        9
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.sqrt(context=self)
+
+    def subtract(self, a, b):
+        """Return the difference between the two operands.
+
+        >>> ExtendedContext.subtract(Decimal('1.3'), Decimal('1.07'))
+        Decimal('0.23')
+        >>> ExtendedContext.subtract(Decimal('1.3'), Decimal('1.30'))
+        Decimal('0.00')
+        >>> ExtendedContext.subtract(Decimal('1.3'), Decimal('2.07'))
+        Decimal('-0.77')
+        >>> ExtendedContext.subtract(8, 5)
+        Decimal('3')
+        >>> ExtendedContext.subtract(Decimal(8), 5)
+        Decimal('3')
+        >>> ExtendedContext.subtract(8, Decimal(5))
+        Decimal('3')
+        """
+        a = _convert_other(a, raiseit=True)
+        r = a.__sub__(b, context=self)
+        if r is NotImplemented:
+            raise TypeError("Unable to convert %s to Decimal" % b)
+        else:
+            return r
+
+    def to_eng_string(self, a):
+        """Converts a number to a string, using scientific notation.
+
+        The operation is not affected by the context.
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.to_eng_string(context=self)
+
+    def to_sci_string(self, a):
+        """Converts a number to a string, using scientific notation.
+
+        The operation is not affected by the context.
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.__str__(context=self)
+
+    def to_integral_exact(self, a):
+        """Rounds to an integer.
+
+        When the operand has a negative exponent, the result is the same
+        as using the quantize() operation using the given operand as the
+        left-hand-operand, 1E+0 as the right-hand-operand, and the precision
+        of the operand as the precision setting; Inexact and Rounded flags
+        are allowed in this operation.  The rounding mode is taken from the
+        context.
+
+        >>> ExtendedContext.to_integral_exact(Decimal('2.1'))
+        Decimal('2')
+        >>> ExtendedContext.to_integral_exact(Decimal('100'))
+        Decimal('100')
+        >>> ExtendedContext.to_integral_exact(Decimal('100.0'))
+        Decimal('100')
+        >>> ExtendedContext.to_integral_exact(Decimal('101.5'))
+        Decimal('102')
+        >>> ExtendedContext.to_integral_exact(Decimal('-101.5'))
+        Decimal('-102')
+        >>> ExtendedContext.to_integral_exact(Decimal('10E+5'))
+        Decimal('1.0E+6')
+        >>> ExtendedContext.to_integral_exact(Decimal('7.89E+77'))
+        Decimal('7.89E+77')
+        >>> ExtendedContext.to_integral_exact(Decimal('-Inf'))
+        Decimal('-Infinity')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.to_integral_exact(context=self)
+
+    def to_integral_value(self, a):
+        """Rounds to an integer.
+
+        When the operand has a negative exponent, the result is the same
+        as using the quantize() operation using the given operand as the
+        left-hand-operand, 1E+0 as the right-hand-operand, and the precision
+        of the operand as the precision setting, except that no flags will
+        be set.  The rounding mode is taken from the context.
+
+        >>> ExtendedContext.to_integral_value(Decimal('2.1'))
+        Decimal('2')
+        >>> ExtendedContext.to_integral_value(Decimal('100'))
+        Decimal('100')
+        >>> ExtendedContext.to_integral_value(Decimal('100.0'))
+        Decimal('100')
+        >>> ExtendedContext.to_integral_value(Decimal('101.5'))
+        Decimal('102')
+        >>> ExtendedContext.to_integral_value(Decimal('-101.5'))
+        Decimal('-102')
+        >>> ExtendedContext.to_integral_value(Decimal('10E+5'))
+        Decimal('1.0E+6')
+        >>> ExtendedContext.to_integral_value(Decimal('7.89E+77'))
+        Decimal('7.89E+77')
+        >>> ExtendedContext.to_integral_value(Decimal('-Inf'))
+        Decimal('-Infinity')
+        """
+        a = _convert_other(a, raiseit=True)
+        return a.to_integral_value(context=self)
+
+    # the method name changed, but we provide also the old one, for compatibility
+    to_integral = to_integral_value
+
+class _WorkRep(object):
+    __slots__ = ('sign','int','exp')
+    # sign: 0 or 1
+    # int:  int
+    # exp:  None, int, or string
+
+    def __init__(self, value=None):
+        if value is None:
+            self.sign = None
+            self.int = 0
+            self.exp = None
+        elif isinstance(value, Decimal):
+            self.sign = value._sign
+            self.int = int(value._int)
+            self.exp = value._exp
+        else:
+            # assert isinstance(value, tuple)
+            self.sign = value[0]
+            self.int = value[1]
+            self.exp = value[2]
+
+    def __repr__(self):
+        return "(%r, %r, %r)" % (self.sign, self.int, self.exp)
+
+    __str__ = __repr__
+
+
+
+def _normalize(op1, op2, prec = 0):
+    """Normalizes op1, op2 to have the same exp and length of coefficient.
+
+    Done during addition.
+    """
+    if op1.exp < op2.exp:
+        tmp = op2
+        other = op1
+    else:
+        tmp = op1
+        other = op2
+
+    # Let exp = min(tmp.exp - 1, tmp.adjusted() - precision - 1).
+    # Then adding 10**exp to tmp has the same effect (after rounding)
+    # as adding any positive quantity smaller than 10**exp; similarly
+    # for subtraction.  So if other is smaller than 10**exp we replace
+    # it with 10**exp.  This avoids tmp.exp - other.exp getting too large.
+    tmp_len = len(str(tmp.int))
+    other_len = len(str(other.int))
+    exp = tmp.exp + min(-1, tmp_len - prec - 2)
+    if other_len + other.exp - 1 < exp:
+        other.int = 1
+        other.exp = exp
+
+    tmp.int *= 10 ** (tmp.exp - other.exp)
+    tmp.exp = other.exp
+    return op1, op2
+
+##### Integer arithmetic functions used by ln, log10, exp and __pow__ #####
+
+_nbits = int.bit_length
+
+def _decimal_lshift_exact(n, e):
+    """ Given integers n and e, return n * 10**e if it's an integer, else None.
+
+    The computation is designed to avoid computing large powers of 10
+    unnecessarily.
+
+    >>> _decimal_lshift_exact(3, 4)
+    30000
+    >>> _decimal_lshift_exact(300, -999999999)  # returns None
+
+    """
+    if n == 0:
+        return 0
+    elif e >= 0:
+        return n * 10**e
+    else:
+        # val_n = largest power of 10 dividing n.
+        str_n = str(abs(n))
+        val_n = len(str_n) - len(str_n.rstrip('0'))
+        return None if val_n < -e else n // 10**-e
+
+def _sqrt_nearest(n, a):
+    """Closest integer to the square root of the positive integer n.  a is
+    an initial approximation to the square root.  Any positive integer
+    will do for a, but the closer a is to the square root of n the
+    faster convergence will be.
+
+    """
+    if n <= 0 or a <= 0:
+        raise ValueError("Both arguments to _sqrt_nearest should be positive.")
+
+    b=0
+    while a != b:
+        b, a = a, a--n//a>>1
+    return a
+
+def _rshift_nearest(x, shift):
+    """Given an integer x and a nonnegative integer shift, return closest
+    integer to x / 2**shift; use round-to-even in case of a tie.
+
+    """
+    b, q = 1 << shift, x >> shift
+    return q + (2*(x & (b-1)) + (q&1) > b)
+
+def _div_nearest(a, b):
+    """Closest integer to a/b, a and b positive integers; rounds to even
+    in the case of a tie.
+
+    """
+    q, r = divmod(a, b)
+    return q + (2*r + (q&1) > b)
+
+def _ilog(x, M, L = 8):
+    """Integer approximation to M*log(x/M), with absolute error boundable
+    in terms only of x/M.
+
+    Given positive integers x and M, return an integer approximation to
+    M * log(x/M).  For L = 8 and 0.1 <= x/M <= 10 the difference
+    between the approximation and the exact result is at most 22.  For
+    L = 8 and 1.0 <= x/M <= 10.0 the difference is at most 15.  In
+    both cases these are upper bounds on the error; it will usually be
+    much smaller."""
+
+    # The basic algorithm is the following: let log1p be the function
+    # log1p(x) = log(1+x).  Then log(x/M) = log1p((x-M)/M).  We use
+    # the reduction
+    #
+    #    log1p(y) = 2*log1p(y/(1+sqrt(1+y)))
+    #
+    # repeatedly until the argument to log1p is small (< 2**-L in
+    # absolute value).  For small y we can use the Taylor series
+    # expansion
+    #
+    #    log1p(y) ~ y - y**2/2 + y**3/3 - ... - (-y)**T/T
+    #
+    # truncating at T such that y**T is small enough.  The whole
+    # computation is carried out in a form of fixed-point arithmetic,
+    # with a real number z being represented by an integer
+    # approximation to z*M.  To avoid loss of precision, the y below
+    # is actually an integer approximation to 2**R*y*M, where R is the
+    # number of reductions performed so far.
+
+    y = x-M
+    # argument reduction; R = number of reductions performed
+    R = 0
+    while (R <= L and abs(y) << L-R >= M or
+           R > L and abs(y) >> R-L >= M):
+        y = _div_nearest((M*y) << 1,
+                         M + _sqrt_nearest(M*(M+_rshift_nearest(y, R)), M))
+        R += 1
+
+    # Taylor series with T terms
+    T = -int(-10*len(str(M))//(3*L))
+    yshift = _rshift_nearest(y, R)
+    w = _div_nearest(M, T)
+    for k in range(T-1, 0, -1):
+        w = _div_nearest(M, k) - _div_nearest(yshift*w, M)
+
+    return _div_nearest(w*y, M)
+
+def _dlog10(c, e, p):
+    """Given integers c, e and p with c > 0, p >= 0, compute an integer
+    approximation to 10**p * log10(c*10**e), with an absolute error of
+    at most 1.  Assumes that c*10**e is not exactly 1."""
+
+    # increase precision by 2; compensate for this by dividing
+    # final result by 100
+    p += 2
+
+    # write c*10**e as d*10**f with either:
+    #   f >= 0 and 1 <= d <= 10, or
+    #   f <= 0 and 0.1 <= d <= 1.
+    # Thus for c*10**e close to 1, f = 0
+    l = len(str(c))
+    f = e+l - (e+l >= 1)
+
+    if p > 0:
+        M = 10**p
+        k = e+p-f
+        if k >= 0:
+            c *= 10**k
+        else:
+            c = _div_nearest(c, 10**-k)
+
+        log_d = _ilog(c, M) # error < 5 + 22 = 27
+        log_10 = _log10_digits(p) # error < 1
+        log_d = _div_nearest(log_d*M, log_10)
+        log_tenpower = f*M # exact
+    else:
+        log_d = 0  # error < 2.31
+        log_tenpower = _div_nearest(f, 10**-p) # error < 0.5
+
+    return _div_nearest(log_tenpower+log_d, 100)
+
+def _dlog(c, e, p):
+    """Given integers c, e and p with c > 0, compute an integer
+    approximation to 10**p * log(c*10**e), with an absolute error of
+    at most 1.  Assumes that c*10**e is not exactly 1."""
+
+    # Increase precision by 2. The precision increase is compensated
+    # for at the end with a division by 100.
+    p += 2
+
+    # rewrite c*10**e as d*10**f with either f >= 0 and 1 <= d <= 10,
+    # or f <= 0 and 0.1 <= d <= 1.  Then we can compute 10**p * log(c*10**e)
+    # as 10**p * log(d) + 10**p*f * log(10).
+    l = len(str(c))
+    f = e+l - (e+l >= 1)
+
+    # compute approximation to 10**p*log(d), with error < 27
+    if p > 0:
+        k = e+p-f
+        if k >= 0:
+            c *= 10**k
+        else:
+            c = _div_nearest(c, 10**-k)  # error of <= 0.5 in c
+
+        # _ilog magnifies existing error in c by a factor of at most 10
+        log_d = _ilog(c, 10**p) # error < 5 + 22 = 27
+    else:
+        # p <= 0: just approximate the whole thing by 0; error < 2.31
+        log_d = 0
+
+    # compute approximation to f*10**p*log(10), with error < 11.
+    if f:
+        extra = len(str(abs(f)))-1
+        if p + extra >= 0:
+            # error in f * _log10_digits(p+extra) < |f| * 1 = |f|
+            # after division, error < |f|/10**extra + 0.5 < 10 + 0.5 < 11
+            f_log_ten = _div_nearest(f*_log10_digits(p+extra), 10**extra)
+        else:
+            f_log_ten = 0
+    else:
+        f_log_ten = 0
+
+    # error in sum < 11+27 = 38; error after division < 0.38 + 0.5 < 1
+    return _div_nearest(f_log_ten + log_d, 100)
+
+class _Log10Memoize(object):
+    """Class to compute, store, and allow retrieval of, digits of the
+    constant log(10) = 2.302585....  This constant is needed by
+    Decimal.ln, Decimal.log10, Decimal.exp and Decimal.__pow__."""
+    def __init__(self):
+        self.digits = "23025850929940456840179914546843642076011014886"
+
+    def getdigits(self, p):
+        """Given an integer p >= 0, return floor(10**p)*log(10).
+
+        For example, self.getdigits(3) returns 2302.
+        """
+        # digits are stored as a string, for quick conversion to
+        # integer in the case that we've already computed enough
+        # digits; the stored digits should always be correct
+        # (truncated, not rounded to nearest).
+        if p < 0:
+            raise ValueError("p should be nonnegative")
+
+        if p >= len(self.digits):
+            # compute p+3, p+6, p+9, ... digits; continue until at
+            # least one of the extra digits is nonzero
+            extra = 3
+            while True:
+                # compute p+extra digits, correct to within 1ulp
+                M = 10**(p+extra+2)
+                digits = str(_div_nearest(_ilog(10*M, M), 100))
+                if digits[-extra:] != '0'*extra:
+                    break
+                extra += 3
+            # keep all reliable digits so far; remove trailing zeros
+            # and next nonzero digit
+            self.digits = digits.rstrip('0')[:-1]
+        return int(self.digits[:p+1])
+
+_log10_digits = _Log10Memoize().getdigits
+
+def _iexp(x, M, L=8):
+    """Given integers x and M, M > 0, such that x/M is small in absolute
+    value, compute an integer approximation to M*exp(x/M).  For 0 <=
+    x/M <= 2.4, the absolute error in the result is bounded by 60 (and
+    is usually much smaller)."""
+
+    # Algorithm: to compute exp(z) for a real number z, first divide z
+    # by a suitable power R of 2 so that |z/2**R| < 2**-L.  Then
+    # compute expm1(z/2**R) = exp(z/2**R) - 1 using the usual Taylor
+    # series
+    #
+    #     expm1(x) = x + x**2/2! + x**3/3! + ...
+    #
+    # Now use the identity
+    #
+    #     expm1(2x) = expm1(x)*(expm1(x)+2)
+    #
+    # R times to compute the sequence expm1(z/2**R),
+    # expm1(z/2**(R-1)), ... , exp(z/2), exp(z).
+
+    # Find R such that x/2**R/M <= 2**-L
+    R = _nbits((x<<L)//M)
+
+    # Taylor series.  (2**L)**T > M
+    T = -int(-10*len(str(M))//(3*L))
+    y = _div_nearest(x, T)
+    Mshift = M<<R
+    for i in range(T-1, 0, -1):
+        y = _div_nearest(x*(Mshift + y), Mshift * i)
+
+    # Expansion
+    for k in range(R-1, -1, -1):
+        Mshift = M<<(k+2)
+        y = _div_nearest(y*(y+Mshift), Mshift)
+
+    return M+y
+
+def _dexp(c, e, p):
+    """Compute an approximation to exp(c*10**e), with p decimal places of
+    precision.
+
+    Returns integers d, f such that:
+
+      10**(p-1) <= d <= 10**p, and
+      (d-1)*10**f < exp(c*10**e) < (d+1)*10**f
+
+    In other words, d*10**f is an approximation to exp(c*10**e) with p
+    digits of precision, and with an error in d of at most 1.  This is
+    almost, but not quite, the same as the error being < 1ulp: when d
+    = 10**(p-1) the error could be up to 10 ulp."""
+
+    # we'll call iexp with M = 10**(p+2), giving p+3 digits of precision
+    p += 2
+
+    # compute log(10) with extra precision = adjusted exponent of c*10**e
+    extra = max(0, e + len(str(c)) - 1)
+    q = p + extra
+
+    # compute quotient c*10**e/(log(10)) = c*10**(e+q)/(log(10)*10**q),
+    # rounding down
+    shift = e+q
+    if shift >= 0:
+        cshift = c*10**shift
+    else:
+        cshift = c//10**-shift
+    quot, rem = divmod(cshift, _log10_digits(q))
+
+    # reduce remainder back to original precision
+    rem = _div_nearest(rem, 10**extra)
+
+    # error in result of _iexp < 120;  error after division < 0.62
+    return _div_nearest(_iexp(rem, 10**p), 1000), quot - p + 3
+
+def _dpower(xc, xe, yc, ye, p):
+    """Given integers xc, xe, yc and ye representing Decimals x = xc*10**xe and
+    y = yc*10**ye, compute x**y.  Returns a pair of integers (c, e) such that:
+
+      10**(p-1) <= c <= 10**p, and
+      (c-1)*10**e < x**y < (c+1)*10**e
+
+    in other words, c*10**e is an approximation to x**y with p digits
+    of precision, and with an error in c of at most 1.  (This is
+    almost, but not quite, the same as the error being < 1ulp: when c
+    == 10**(p-1) we can only guarantee error < 10ulp.)
+
+    We assume that: x is positive and not equal to 1, and y is nonzero.
+    """
+
+    # Find b such that 10**(b-1) <= |y| <= 10**b
+    b = len(str(abs(yc))) + ye
+
+    # log(x) = lxc*10**(-p-b-1), to p+b+1 places after the decimal point
+    lxc = _dlog(xc, xe, p+b+1)
+
+    # compute product y*log(x) = yc*lxc*10**(-p-b-1+ye) = pc*10**(-p-1)
+    shift = ye-b
+    if shift >= 0:
+        pc = lxc*yc*10**shift
+    else:
+        pc = _div_nearest(lxc*yc, 10**-shift)
+
+    if pc == 0:
+        # we prefer a result that isn't exactly 1; this makes it
+        # easier to compute a correctly rounded result in __pow__
+        if ((len(str(xc)) + xe >= 1) == (yc > 0)): # if x**y > 1:
+            coeff, exp = 10**(p-1)+1, 1-p
+        else:
+            coeff, exp = 10**p-1, -p
+    else:
+        coeff, exp = _dexp(pc, -(p+1), p+1)
+        coeff = _div_nearest(coeff, 10)
+        exp += 1
+
+    return coeff, exp
+
+def _log10_lb(c, correction = {
+        '1': 100, '2': 70, '3': 53, '4': 40, '5': 31,
+        '6': 23, '7': 16, '8': 10, '9': 5}):
+    """Compute a lower bound for 100*log10(c) for a positive integer c."""
+    if c <= 0:
+        raise ValueError("The argument to _log10_lb should be nonnegative.")
+    str_c = str(c)
+    return 100*len(str_c) - correction[str_c[0]]
+
+##### Helper Functions ####################################################
+
+def _convert_other(other, raiseit=False, allow_float=False):
+    """Convert other to Decimal.
+
+    Verifies that it's ok to use in an implicit construction.
+    If allow_float is true, allow conversion from float;  this
+    is used in the comparison methods (__eq__ and friends).
+
+    """
+    if isinstance(other, Decimal):
+        return other
+    if isinstance(other, int):
+        return Decimal(other)
+    if allow_float and isinstance(other, float):
+        return Decimal.from_float(other)
+
+    if raiseit:
+        raise TypeError("Unable to convert %s to Decimal" % other)
+    return NotImplemented
+
+def _convert_for_comparison(self, other, equality_op=False):
+    """Given a Decimal instance self and a Python object other, return
+    a pair (s, o) of Decimal instances such that "s op o" is
+    equivalent to "self op other" for any of the 6 comparison
+    operators "op".
+
+    """
+    if isinstance(other, Decimal):
+        return self, other
+
+    # Comparison with a Rational instance (also includes integers):
+    # self op n/d <=> self*d op n (for n and d integers, d positive).
+    # A NaN or infinity can be left unchanged without affecting the
+    # comparison result.
+    if isinstance(other, _numbers.Rational):
+        if not self._is_special:
+            self = _dec_from_triple(self._sign,
+                                    str(int(self._int) * other.denominator),
+                                    self._exp)
+        return self, Decimal(other.numerator)
+
+    # Comparisons with float and complex types.  == and != comparisons
+    # with complex numbers should succeed, returning either True or False
+    # as appropriate.  Other comparisons return NotImplemented.
+    if equality_op and isinstance(other, _numbers.Complex) and other.imag == 0:
+        other = other.real
+    if isinstance(other, float):
+        context = getcontext()
+        if equality_op:
+            context.flags[FloatOperation] = 1
+        else:
+            context._raise_error(FloatOperation,
+                "strict semantics for mixing floats and Decimals are enabled")
+        return self, Decimal.from_float(other)
+    return NotImplemented, NotImplemented
+
+
+##### Setup Specific Contexts ############################################
+
+# The default context prototype used by Context()
+# Is mutable, so that new contexts can have different default values
+
+DefaultContext = Context(
+        prec=28, rounding=ROUND_HALF_EVEN,
+        traps=[DivisionByZero, Overflow, InvalidOperation],
+        flags=[],
+        Emax=999999,
+        Emin=-999999,
+        capitals=1,
+        clamp=0
+)
+
+# Pre-made alternate contexts offered by the specification
+# Don't change these; the user should be able to select these
+# contexts and be able to reproduce results from other implementations
+# of the spec.
+
+BasicContext = Context(
+        prec=9, rounding=ROUND_HALF_UP,
+        traps=[DivisionByZero, Overflow, InvalidOperation, Clamped, Underflow],
+        flags=[],
+)
+
+ExtendedContext = Context(
+        prec=9, rounding=ROUND_HALF_EVEN,
+        traps=[],
+        flags=[],
+)
+
+
+##### crud for parsing strings #############################################
+#
+# Regular expression used for parsing numeric strings.  Additional
+# comments:
+#
+# 1. Uncomment the two '\s*' lines to allow leading and/or trailing
+# whitespace.  But note that the specification disallows whitespace in
+# a numeric string.
+#
+# 2. For finite numbers (not infinities and NaNs) the body of the
+# number between the optional sign and the optional exponent must have
+# at least one decimal digit, possibly after the decimal point.  The
+# lookahead expression '(?=\d|\.\d)' checks this.
+
+import re
+_parser = re.compile(r"""        # A numeric string consists of:
+#    \s*
+    (?P<sign>[-+])?              # an optional sign, followed by either...
+    (
+        (?=\d|\.\d)              # ...a number (with at least one digit)
+        (?P<int>\d*)             # having a (possibly empty) integer part
+        (\.(?P<frac>\d*))?       # followed by an optional fractional part
+        (E(?P<exp>[-+]?\d+))?    # followed by an optional exponent, or...
+    |
+        Inf(inity)?              # ...an infinity, or...
+    |
+        (?P<signal>s)?           # ...an (optionally signaling)
+        NaN                      # NaN
+        (?P<diag>\d*)            # with (possibly empty) diagnostic info.
+    )
+#    \s*
+    \Z
+""", re.VERBOSE | re.IGNORECASE).match
+
+_all_zeros = re.compile('0*$').match
+_exact_half = re.compile('50*$').match
+
+##### PEP3101 support functions ##############################################
+# The functions in this section have little to do with the Decimal
+# class, and could potentially be reused or adapted for other pure
+# Python numeric classes that want to implement __format__
+#
+# A format specifier for Decimal looks like:
+#
+#   [[fill]align][sign][#][0][minimumwidth][,][.precision][type]
+
+_parse_format_specifier_regex = re.compile(r"""\A
+(?:
+   (?P<fill>.)?
+   (?P<align>[<>=^])
+)?
+(?P<sign>[-+ ])?
+(?P<alt>\#)?
+(?P<zeropad>0)?
+(?P<minimumwidth>(?!0)\d+)?
+(?P<thousands_sep>,)?
+(?:\.(?P<precision>0|(?!0)\d+))?
+(?P<type>[eEfFgGn%])?
+\Z
+""", re.VERBOSE|re.DOTALL)
+
+del re
+
+# The locale module is only needed for the 'n' format specifier.  The
+# rest of the PEP 3101 code functions quite happily without it, so we
+# don't care too much if locale isn't present.
+try:
+    import locale as _locale
+except ImportError:
+    pass
+
+def _parse_format_specifier(format_spec, _localeconv=None):
+    """Parse and validate a format specifier.
+
+    Turns a standard numeric format specifier into a dict, with the
+    following entries:
+
+      fill: fill character to pad field to minimum width
+      align: alignment type, either '<', '>', '=' or '^'
+      sign: either '+', '-' or ' '
+      minimumwidth: nonnegative integer giving minimum width
+      zeropad: boolean, indicating whether to pad with zeros
+      thousands_sep: string to use as thousands separator, or ''
+      grouping: grouping for thousands separators, in format
+        used by localeconv
+      decimal_point: string to use for decimal point
+      precision: nonnegative integer giving precision, or None
+      type: one of the characters 'eEfFgG%', or None
+
+    """
+    m = _parse_format_specifier_regex.match(format_spec)
+    if m is None:
+        raise ValueError("Invalid format specifier: " + format_spec)
+
+    # get the dictionary
+    format_dict = m.groupdict()
+
+    # zeropad; defaults for fill and alignment.  If zero padding
+    # is requested, the fill and align fields should be absent.
+    fill = format_dict['fill']
+    align = format_dict['align']
+    format_dict['zeropad'] = (format_dict['zeropad'] is not None)
+    if format_dict['zeropad']:
+        if fill is not None:
+            raise ValueError("Fill character conflicts with '0'"
+                             " in format specifier: " + format_spec)
+        if align is not None:
+            raise ValueError("Alignment conflicts with '0' in "
+                             "format specifier: " + format_spec)
+    format_dict['fill'] = fill or ' '
+    # PEP 3101 originally specified that the default alignment should
+    # be left;  it was later agreed that right-aligned makes more sense
+    # for numeric types.  See http://bugs.python.org/issue6857.
+    format_dict['align'] = align or '>'
+
+    # default sign handling: '-' for negative, '' for positive
+    if format_dict['sign'] is None:
+        format_dict['sign'] = '-'
+
+    # minimumwidth defaults to 0; precision remains None if not given
+    format_dict['minimumwidth'] = int(format_dict['minimumwidth'] or '0')
+    if format_dict['precision'] is not None:
+        format_dict['precision'] = int(format_dict['precision'])
+
+    # if format type is 'g' or 'G' then a precision of 0 makes little
+    # sense; convert it to 1.  Same if format type is unspecified.
+    if format_dict['precision'] == 0:
+        if format_dict['type'] is None or format_dict['type'] in 'gGn':
+            format_dict['precision'] = 1
+
+    # determine thousands separator, grouping, and decimal separator, and
+    # add appropriate entries to format_dict
+    if format_dict['type'] == 'n':
+        # apart from separators, 'n' behaves just like 'g'
+        format_dict['type'] = 'g'
+        if _localeconv is None:
+            _localeconv = _locale.localeconv()
+        if format_dict['thousands_sep'] is not None:
+            raise ValueError("Explicit thousands separator conflicts with "
+                             "'n' type in format specifier: " + format_spec)
+        format_dict['thousands_sep'] = _localeconv['thousands_sep']
+        format_dict['grouping'] = _localeconv['grouping']
+        format_dict['decimal_point'] = _localeconv['decimal_point']
+    else:
+        if format_dict['thousands_sep'] is None:
+            format_dict['thousands_sep'] = ''
+        format_dict['grouping'] = [3, 0]
+        format_dict['decimal_point'] = '.'
+
+    return format_dict
+
+def _format_align(sign, body, spec):
+    """Given an unpadded, non-aligned numeric string 'body' and sign
+    string 'sign', add padding and alignment conforming to the given
+    format specifier dictionary 'spec' (as produced by
+    parse_format_specifier).
+
+    """
+    # how much extra space do we have to play with?
+    minimumwidth = spec['minimumwidth']
+    fill = spec['fill']
+    padding = fill*(minimumwidth - len(sign) - len(body))
+
+    align = spec['align']
+    if align == '<':
+        result = sign + body + padding
+    elif align == '>':
+        result = padding + sign + body
+    elif align == '=':
+        result = sign + padding + body
+    elif align == '^':
+        half = len(padding)//2
+        result = padding[:half] + sign + body + padding[half:]
+    else:
+        raise ValueError('Unrecognised alignment field')
+
+    return result
+
+def _group_lengths(grouping):
+    """Convert a localeconv-style grouping into a (possibly infinite)
+    iterable of integers representing group lengths.
+
+    """
+    # The result from localeconv()['grouping'], and the input to this
+    # function, should be a list of integers in one of the
+    # following three forms:
+    #
+    #   (1) an empty list, or
+    #   (2) nonempty list of positive integers + [0]
+    #   (3) list of positive integers + [locale.CHAR_MAX], or
+
+    from itertools import chain, repeat
+    if not grouping:
+        return []
+    elif grouping[-1] == 0 and len(grouping) >= 2:
+        return chain(grouping[:-1], repeat(grouping[-2]))
+    elif grouping[-1] == _locale.CHAR_MAX:
+        return grouping[:-1]
+    else:
+        raise ValueError('unrecognised format for grouping')
+
+def _insert_thousands_sep(digits, spec, min_width=1):
+    """Insert thousands separators into a digit string.
+
+    spec is a dictionary whose keys should include 'thousands_sep' and
+    'grouping'; typically it's the result of parsing the format
+    specifier using _parse_format_specifier.
+
+    The min_width keyword argument gives the minimum length of the
+    result, which will be padded on the left with zeros if necessary.
+
+    If necessary, the zero padding adds an extra '0' on the left to
+    avoid a leading thousands separator.  For example, inserting
+    commas every three digits in '123456', with min_width=8, gives
+    '0,123,456', even though that has length 9.
+
+    """
+
+    sep = spec['thousands_sep']
+    grouping = spec['grouping']
+
+    groups = []
+    for l in _group_lengths(grouping):
+        if l <= 0:
+            raise ValueError("group length should be positive")
+        # max(..., 1) forces at least 1 digit to the left of a separator
+        l = min(max(len(digits), min_width, 1), l)
+        groups.append('0'*(l - len(digits)) + digits[-l:])
+        digits = digits[:-l]
+        min_width -= l
+        if not digits and min_width <= 0:
+            break
+        min_width -= len(sep)
+    else:
+        l = max(len(digits), min_width, 1)
+        groups.append('0'*(l - len(digits)) + digits[-l:])
+    return sep.join(reversed(groups))
+
+def _format_sign(is_negative, spec):
+    """Determine sign character."""
+
+    if is_negative:
+        return '-'
+    elif spec['sign'] in ' +':
+        return spec['sign']
+    else:
+        return ''
+
+def _format_number(is_negative, intpart, fracpart, exp, spec):
+    """Format a number, given the following data:
+
+    is_negative: true if the number is negative, else false
+    intpart: string of digits that must appear before the decimal point
+    fracpart: string of digits that must come after the point
+    exp: exponent, as an integer
+    spec: dictionary resulting from parsing the format specifier
+
+    This function uses the information in spec to:
+      insert separators (decimal separator and thousands separators)
+      format the sign
+      format the exponent
+      add trailing '%' for the '%' type
+      zero-pad if necessary
+      fill and align if necessary
+    """
+
+    sign = _format_sign(is_negative, spec)
+
+    if fracpart or spec['alt']:
+        fracpart = spec['decimal_point'] + fracpart
+
+    if exp != 0 or spec['type'] in 'eE':
+        echar = {'E': 'E', 'e': 'e', 'G': 'E', 'g': 'e'}[spec['type']]
+        fracpart += "{0}{1:+}".format(echar, exp)
+    if spec['type'] == '%':
+        fracpart += '%'
+
+    if spec['zeropad']:
+        min_width = spec['minimumwidth'] - len(fracpart) - len(sign)
+    else:
+        min_width = 0
+    intpart = _insert_thousands_sep(intpart, spec, min_width)
+
+    return _format_align(sign, intpart+fracpart, spec)
+
+
+##### Useful Constants (internal use only) ################################
+
+# Reusable defaults
+_Infinity = Decimal('Inf')
+_NegativeInfinity = Decimal('-Inf')
+_NaN = Decimal('NaN')
+_Zero = Decimal(0)
+_One = Decimal(1)
+_NegativeOne = Decimal(-1)
+
+# _SignedInfinity[sign] is infinity w/ that sign
+_SignedInfinity = (_Infinity, _NegativeInfinity)
+
+# Constants related to the hash implementation;  hash(x) is based
+# on the reduction of x modulo _PyHASH_MODULUS
+_PyHASH_MODULUS = sys.hash_info.modulus
+# hash values to use for positive and negative infinities, and nans
+_PyHASH_INF = sys.hash_info.inf
+_PyHASH_NAN = sys.hash_info.nan
+
+# _PyHASH_10INV is the inverse of 10 modulo the prime _PyHASH_MODULUS
+_PyHASH_10INV = pow(10, _PyHASH_MODULUS - 2, _PyHASH_MODULUS)
+del sys
diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index c0b5fd1..50ad9ff 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -6,11 +6,17 @@ import os
 import abc
 import codecs
 import errno
+import array
+import stat
 # Import _thread instead of threading to reduce startup cost
 try:
     from _thread import allocate_lock as Lock
 except ImportError:
     from _dummy_thread import allocate_lock as Lock
+if os.name == 'win32':
+    from msvcrt import setmode as _setmode
+else:
+    _setmode = None
 
 import io
 from io import (__all__, SEEK_SET, SEEK_CUR, SEEK_END)
@@ -256,7 +262,7 @@ class OpenWrapper:
     Trick so that open won't become a bound method when stored
     as a class variable (as dbm.dumb does).
 
-    See initstdio() in Python/pythonrun.c.
+    See initstdio() in Python/pylifecycle.c.
     """
     __doc__ = DocDescriptor()
 
@@ -662,16 +668,33 @@ class BufferedIOBase(IOBase):
         Raises BlockingIOError if the underlying raw stream has no
         data at the moment.
         """
-        # XXX This ought to work with anything that supports the buffer API
-        data = self.read(len(b))
+
+        return self._readinto(b, read1=False)
+
+    def readinto1(self, b):
+        """Read up to len(b) bytes into *b*, using at most one system call
+
+        Returns an int representing the number of bytes read (0 for EOF).
+
+        Raises BlockingIOError if the underlying raw stream has no
+        data at the moment.
+        """
+
+        return self._readinto(b, read1=True)
+
+    def _readinto(self, b, read1):
+        if not isinstance(b, memoryview):
+            b = memoryview(b)
+        b = b.cast('B')
+
+        if read1:
+            data = self.read1(len(b))
+        else:
+            data = self.read(len(b))
         n = len(data)
-        try:
-            b[:n] = data
-        except TypeError as err:
-            import array
-            if not isinstance(b, array.array):
-                raise err
-            b[:n] = array.array('b', data)
+
+        b[:n] = data
+
         return n
 
     def write(self, b):
@@ -790,13 +813,14 @@ class _BufferedIOMixin(BufferedIOBase):
                         .format(self.__class__.__name__))
 
     def __repr__(self):
-        clsname = self.__class__.__name__
+        modname = self.__class__.__module__
+        clsname = self.__class__.__qualname__
         try:
             name = self.name
         except Exception:
-            return "<_pyio.{0}>".format(clsname)
+            return "<{}.{}>".format(modname, clsname)
         else:
-            return "<_pyio.{0} name={1!r}>".format(clsname, name)
+            return "<{}.{} name={!r}>".format(modname, clsname, name)
 
     ### Lower-level APIs ###
 
@@ -993,10 +1017,7 @@ class BufferedReader(_BufferedIOMixin):
             current_size = 0
             while True:
                 # Read until EOF or until read() would block.
-                try:
-                    chunk = self.raw.read()
-                except InterruptedError:
-                    continue
+                chunk = self.raw.read()
                 if chunk in empty_values:
                     nodata_val = chunk
                     break
@@ -1015,10 +1036,7 @@ class BufferedReader(_BufferedIOMixin):
         chunks = [buf[pos:]]
         wanted = max(self.buffer_size, n)
         while avail < n:
-            try:
-                chunk = self.raw.read(wanted)
-            except InterruptedError:
-                continue
+            chunk = self.raw.read(wanted)
             if chunk in empty_values:
                 nodata_val = chunk
                 break
@@ -1047,12 +1065,7 @@ class BufferedReader(_BufferedIOMixin):
         have = len(self._read_buf) - self._read_pos
         if have < want or have <= 0:
             to_read = self.buffer_size - have
-            while True:
-                try:
-                    current = self.raw.read(to_read)
-                except InterruptedError:
-                    continue
-                break
+            current = self.raw.read(to_read)
             if current:
                 self._read_buf = self._read_buf[self._read_pos:] + current
                 self._read_pos = 0
@@ -1071,6 +1084,58 @@ class BufferedReader(_BufferedIOMixin):
             return self._read_unlocked(
                 min(size, len(self._read_buf) - self._read_pos))
 
+    # Implementing readinto() and readinto1() is not strictly necessary (we
+    # could rely on the base class that provides an implementation in terms of
+    # read() and read1()). We do it anyway to keep the _pyio implementation
+    # similar to the io implementation (which implements the methods for
+    # performance reasons).
+    def _readinto(self, buf, read1):
+        """Read data into *buf* with at most one system call."""
+
+        if len(buf) == 0:
+            return 0
+
+        # Need to create a memoryview object of type 'b', otherwise
+        # we may not be able to assign bytes to it, and slicing it
+        # would create a new object.
+        if not isinstance(buf, memoryview):
+            buf = memoryview(buf)
+        buf = buf.cast('B')
+
+        written = 0
+        with self._read_lock:
+            while written < len(buf):
+
+                # First try to read from internal buffer
+                avail = min(len(self._read_buf) - self._read_pos, len(buf))
+                if avail:
+                    buf[written:written+avail] = \
+                        self._read_buf[self._read_pos:self._read_pos+avail]
+                    self._read_pos += avail
+                    written += avail
+                    if written == len(buf):
+                        break
+
+                # If remaining space in callers buffer is larger than
+                # internal buffer, read directly into callers buffer
+                if len(buf) - written > self.buffer_size:
+                    n = self.raw.readinto(buf[written:])
+                    if not n:
+                        break # eof
+                    written += n
+
+                # Otherwise refill internal buffer - unless we're
+                # in read1 mode and already got some data
+                elif not (read1 and written):
+                    if not self._peek_unlocked(1):
+                        break # eof
+
+                # In readinto1 mode, return as soon as we have some data
+                if read1 and written:
+                    break
+
+        return written
+
     def tell(self):
         return _BufferedIOMixin.tell(self) - len(self._read_buf) + self._read_pos
 
@@ -1149,8 +1214,6 @@ class BufferedWriter(_BufferedIOMixin):
         while self._write_buf:
             try:
                 n = self.raw.write(self._write_buf)
-            except InterruptedError:
-                continue
             except BlockingIOError:
                 raise RuntimeError("self.raw should implement RawIOBase: it "
                                    "should not raise BlockingIOError")
@@ -1220,6 +1283,9 @@ class BufferedRWPair(BufferedIOBase):
     def read1(self, size):
         return self.reader.read1(size)
 
+    def readinto1(self, b):
+        return self.reader.readinto1(b)
+
     def readable(self):
         return self.reader.readable()
 
@@ -1304,6 +1370,10 @@ class BufferedRandom(BufferedWriter, BufferedReader):
         self.flush()
         return BufferedReader.read1(self, size)
 
+    def readinto1(self, b):
+        self.flush()
+        return BufferedReader.readinto1(self, b)
+
     def write(self, b):
         if self._read_buf:
             # Undo readahead
@@ -1313,6 +1383,345 @@ class BufferedRandom(BufferedWriter, BufferedReader):
         return BufferedWriter.write(self, b)
 
 
+class FileIO(RawIOBase):
+    _fd = -1
+    _created = False
+    _readable = False
+    _writable = False
+    _appending = False
+    _seekable = None
+    _closefd = True
+
+    def __init__(self, file, mode='r', closefd=True, opener=None):
+        """Open a file.  The mode can be 'r' (default), 'w', 'x' or 'a' for reading,
+        writing, exclusive creation or appending.  The file will be created if it
+        doesn't exist when opened for writing or appending; it will be truncated
+        when opened for writing.  A FileExistsError will be raised if it already
+        exists when opened for creating. Opening a file for creating implies
+        writing so this mode behaves in a similar way to 'w'. Add a '+' to the mode
+        to allow simultaneous reading and writing. A custom opener can be used by
+        passing a callable as *opener*. The underlying file descriptor for the file
+        object is then obtained by calling opener with (*name*, *flags*).
+        *opener* must return an open file descriptor (passing os.open as *opener*
+        results in functionality similar to passing None).
+        """
+        if self._fd >= 0:
+            # Have to close the existing file first.
+            try:
+                if self._closefd:
+                    os.close(self._fd)
+            finally:
+                self._fd = -1
+
+        if isinstance(file, float):
+            raise TypeError('integer argument expected, got float')
+        if isinstance(file, int):
+            fd = file
+            if fd < 0:
+                raise ValueError('negative file descriptor')
+        else:
+            fd = -1
+
+        if not isinstance(mode, str):
+            raise TypeError('invalid mode: %s' % (mode,))
+        if not set(mode) <= set('xrwab+'):
+            raise ValueError('invalid mode: %s' % (mode,))
+        if sum(c in 'rwax' for c in mode) != 1 or mode.count('+') > 1:
+            raise ValueError('Must have exactly one of create/read/write/append '
+                             'mode and at most one plus')
+
+        if 'x' in mode:
+            self._created = True
+            self._writable = True
+            flags = os.O_EXCL | os.O_CREAT
+        elif 'r' in mode:
+            self._readable = True
+            flags = 0
+        elif 'w' in mode:
+            self._writable = True
+            flags = os.O_CREAT | os.O_TRUNC
+        elif 'a' in mode:
+            self._writable = True
+            self._appending = True
+            flags = os.O_APPEND | os.O_CREAT
+
+        if '+' in mode:
+            self._readable = True
+            self._writable = True
+
+        if self._readable and self._writable:
+            flags |= os.O_RDWR
+        elif self._readable:
+            flags |= os.O_RDONLY
+        else:
+            flags |= os.O_WRONLY
+
+        flags |= getattr(os, 'O_BINARY', 0)
+
+        noinherit_flag = (getattr(os, 'O_NOINHERIT', 0) or
+                          getattr(os, 'O_CLOEXEC', 0))
+        flags |= noinherit_flag
+
+        owned_fd = None
+        try:
+            if fd < 0:
+                if not closefd:
+                    raise ValueError('Cannot use closefd=False with file name')
+                if opener is None:
+                    fd = os.open(file, flags, 0o666)
+                else:
+                    fd = opener(file, flags)
+                    if not isinstance(fd, int):
+                        raise TypeError('expected integer from opener')
+                    if fd < 0:
+                        raise OSError('Negative file descriptor')
+                owned_fd = fd
+                if not noinherit_flag:
+                    os.set_inheritable(fd, False)
+
+            self._closefd = closefd
+            fdfstat = os.fstat(fd)
+            try:
+                if stat.S_ISDIR(fdfstat.st_mode):
+                    raise IsADirectoryError(errno.EISDIR,
+                                            os.strerror(errno.EISDIR), file)
+            except AttributeError:
+                # Ignore the AttribueError if stat.S_ISDIR or errno.EISDIR
+                # don't exist.
+                pass
+            self._blksize = getattr(fdfstat, 'st_blksize', 0)
+            if self._blksize <= 1:
+                self._blksize = DEFAULT_BUFFER_SIZE
+
+            if _setmode:
+                # don't translate newlines (\r\n <=> \n)
+                _setmode(fd, os.O_BINARY)
+
+            self.name = file
+            if self._appending:
+                # For consistent behaviour, we explicitly seek to the
+                # end of file (otherwise, it might be done only on the
+                # first write()).
+                os.lseek(fd, 0, SEEK_END)
+        except:
+            if owned_fd is not None:
+                os.close(owned_fd)
+            raise
+        self._fd = fd
+
+    def __del__(self):
+        if self._fd >= 0 and self._closefd and not self.closed:
+            import warnings
+            warnings.warn('unclosed file %r' % (self,), ResourceWarning,
+                          stacklevel=2)
+            self.close()
+
+    def __getstate__(self):
+        raise TypeError("cannot serialize '%s' object", self.__class__.__name__)
+
+    def __repr__(self):
+        class_name = '%s.%s' % (self.__class__.__module__,
+                                self.__class__.__qualname__)
+        if self.closed:
+            return '<%s [closed]>' % class_name
+        try:
+            name = self.name
+        except AttributeError:
+            return ('<%s fd=%d mode=%r closefd=%r>' %
+                    (class_name, self._fd, self.mode, self._closefd))
+        else:
+            return ('<%s name=%r mode=%r closefd=%r>' %
+                    (class_name, name, self.mode, self._closefd))
+
+    def _checkReadable(self):
+        if not self._readable:
+            raise UnsupportedOperation('File not open for reading')
+
+    def _checkWritable(self, msg=None):
+        if not self._writable:
+            raise UnsupportedOperation('File not open for writing')
+
+    def read(self, size=None):
+        """Read at most size bytes, returned as bytes.
+
+        Only makes one system call, so less data may be returned than requested
+        In non-blocking mode, returns None if no data is available.
+        Return an empty bytes object at EOF.
+        """
+        self._checkClosed()
+        self._checkReadable()
+        if size is None or size < 0:
+            return self.readall()
+        try:
+            return os.read(self._fd, size)
+        except BlockingIOError:
+            return None
+
+    def readall(self):
+        """Read all data from the file, returned as bytes.
+
+        In non-blocking mode, returns as much as is immediately available,
+        or None if no data is available.  Return an empty bytes object at EOF.
+        """
+        self._checkClosed()
+        self._checkReadable()
+        bufsize = DEFAULT_BUFFER_SIZE
+        try:
+            pos = os.lseek(self._fd, 0, SEEK_CUR)
+            end = os.fstat(self._fd).st_size
+            if end >= pos:
+                bufsize = end - pos + 1
+        except OSError:
+            pass
+
+        result = bytearray()
+        while True:
+            if len(result) >= bufsize:
+                bufsize = len(result)
+                bufsize += max(bufsize, DEFAULT_BUFFER_SIZE)
+            n = bufsize - len(result)
+            try:
+                chunk = os.read(self._fd, n)
+            except BlockingIOError:
+                if result:
+                    break
+                return None
+            if not chunk: # reached the end of the file
+                break
+            result += chunk
+
+        return bytes(result)
+
+    def readinto(self, b):
+        """Same as RawIOBase.readinto()."""
+        m = memoryview(b).cast('B')
+        data = self.read(len(m))
+        n = len(data)
+        m[:n] = data
+        return n
+
+    def write(self, b):
+        """Write bytes b to file, return number written.
+
+        Only makes one system call, so not all of the data may be written.
+        The number of bytes actually written is returned.  In non-blocking mode,
+        returns None if the write would block.
+        """
+        self._checkClosed()
+        self._checkWritable()
+        try:
+            return os.write(self._fd, b)
+        except BlockingIOError:
+            return None
+
+    def seek(self, pos, whence=SEEK_SET):
+        """Move to new file position.
+
+        Argument offset is a byte count.  Optional argument whence defaults to
+        SEEK_SET or 0 (offset from start of file, offset should be >= 0); other values
+        are SEEK_CUR or 1 (move relative to current position, positive or negative),
+        and SEEK_END or 2 (move relative to end of file, usually negative, although
+        many platforms allow seeking beyond the end of a file).
+
+        Note that not all file objects are seekable.
+        """
+        if isinstance(pos, float):
+            raise TypeError('an integer is required')
+        self._checkClosed()
+        return os.lseek(self._fd, pos, whence)
+
+    def tell(self):
+        """tell() -> int.  Current file position.
+
+        Can raise OSError for non seekable files."""
+        self._checkClosed()
+        return os.lseek(self._fd, 0, SEEK_CUR)
+
+    def truncate(self, size=None):
+        """Truncate the file to at most size bytes.
+
+        Size defaults to the current file position, as returned by tell().
+        The current file position is changed to the value of size.
+        """
+        self._checkClosed()
+        self._checkWritable()
+        if size is None:
+            size = self.tell()
+        os.ftruncate(self._fd, size)
+        return size
+
+    def close(self):
+        """Close the file.
+
+        A closed file cannot be used for further I/O operations.  close() may be
+        called more than once without error.
+        """
+        if not self.closed:
+            try:
+                if self._closefd:
+                    os.close(self._fd)
+            finally:
+                super().close()
+
+    def seekable(self):
+        """True if file supports random-access."""
+        self._checkClosed()
+        if self._seekable is None:
+            try:
+                self.tell()
+            except OSError:
+                self._seekable = False
+            else:
+                self._seekable = True
+        return self._seekable
+
+    def readable(self):
+        """True if file was opened in a read mode."""
+        self._checkClosed()
+        return self._readable
+
+    def writable(self):
+        """True if file was opened in a write mode."""
+        self._checkClosed()
+        return self._writable
+
+    def fileno(self):
+        """Return the underlying file descriptor (an integer)."""
+        self._checkClosed()
+        return self._fd
+
+    def isatty(self):
+        """True if the file is connected to a TTY device."""
+        self._checkClosed()
+        return os.isatty(self._fd)
+
+    @property
+    def closefd(self):
+        """True if the file descriptor will be closed by close()."""
+        return self._closefd
+
+    @property
+    def mode(self):
+        """String giving the file mode"""
+        if self._created:
+            if self._readable:
+                return 'xb+'
+            else:
+                return 'xb'
+        elif self._appending:
+            if self._readable:
+                return 'ab+'
+            else:
+                return 'ab'
+        elif self._readable:
+            if self._writable:
+                return 'rb+'
+            else:
+                return 'rb'
+        else:
+            return 'wb'
+
+
 class TextIOBase(IOBase):
 
     """Base class for text I/O.
@@ -1566,7 +1975,8 @@ class TextIOWrapper(TextIOBase):
     #   - "chars_..." for integer variables that count decoded characters
 
     def __repr__(self):
-        result = "<_pyio.TextIOWrapper"
+        result = "<{}.{}".format(self.__class__.__module__,
+                                 self.__class__.__qualname__)
         try:
             name = self.name
         except Exception:
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
index f76fff1..374923d 100644
--- a/Lib/_strptime.py
+++ b/Lib/_strptime.py
@@ -167,9 +167,9 @@ class LocaleTime(object):
             time.tzset()
         except AttributeError:
             pass
-        no_saving = frozenset(["utc", "gmt", time.tzname[0].lower()])
+        no_saving = frozenset({"utc", "gmt", time.tzname[0].lower()})
         if time.daylight:
-            has_saving = frozenset([time.tzname[1].lower()])
+            has_saving = frozenset({time.tzname[1].lower()})
         else:
             has_saving = frozenset()
         self.timezone = (no_saving, has_saving)
@@ -253,8 +253,8 @@ class TimeRE(dict):
         # format directives (%m, etc.).
         regex_chars = re_compile(r"([\\.^$*+?\(\){}\[\]|])")
         format = regex_chars.sub(r"\\\1", format)
-        whitespace_replacement = re_compile('\s+')
-        format = whitespace_replacement.sub('\s+', format)
+        whitespace_replacement = re_compile(r'\s+')
+        format = whitespace_replacement.sub(r'\\s+', format)
         while '%' in format:
             directive_index = format.index('%')+1
             processed_format = "%s%s%s" % (processed_format,
diff --git a/Lib/abc.py b/Lib/abc.py
index 0358a46..1cbf96a 100644
--- a/Lib/abc.py
+++ b/Lib/abc.py
@@ -168,7 +168,7 @@ class ABCMeta(type):
 
     def _dump_registry(cls, file=None):
         """Debug helper to print the ABC registry."""
-        print("Class: %s.%s" % (cls.__module__, cls.__name__), file=file)
+        print("Class: %s.%s" % (cls.__module__, cls.__qualname__), file=file)
         print("Inv.counter: %s" % ABCMeta._abc_invalidation_counter, file=file)
         for name in sorted(cls.__dict__.keys()):
             if name.startswith("_abc_"):
diff --git a/Lib/argparse.py b/Lib/argparse.py
index be276bb..9a06719 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -1209,11 +1209,6 @@ class Namespace(_AttributeHolder):
             return NotImplemented
         return vars(self) == vars(other)
 
-    def __ne__(self, other):
-        if not isinstance(other, Namespace):
-            return NotImplemented
-        return not (self == other)
-
     def __contains__(self, key):
         return key in self.__dict__
 
@@ -1595,6 +1590,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
         - argument_default -- The default value for all arguments
         - conflict_handler -- String indicating how to handle conflicts
         - add_help -- Add a -h/-help option
+        - allow_abbrev -- Allow long options to be abbreviated unambiguously
     """
 
     def __init__(self,
@@ -1608,7 +1604,8 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
                  fromfile_prefix_chars=None,
                  argument_default=None,
                  conflict_handler='error',
-                 add_help=True):
+                 add_help=True,
+                 allow_abbrev=True):
 
         superinit = super(ArgumentParser, self).__init__
         superinit(description=description,
@@ -1626,6 +1623,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
         self.formatter_class = formatter_class
         self.fromfile_prefix_chars = fromfile_prefix_chars
         self.add_help = add_help
+        self.allow_abbrev = allow_abbrev
 
         add_group = self.add_argument_group
         self._positionals = add_group(_('positional arguments'))
@@ -2103,23 +2101,24 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
                 action = self._option_string_actions[option_string]
                 return action, option_string, explicit_arg
 
-        # search through all possible prefixes of the option string
-        # and all actions in the parser for possible interpretations
-        option_tuples = self._get_option_tuples(arg_string)
-
-        # if multiple actions match, the option string was ambiguous
-        if len(option_tuples) > 1:
-            options = ', '.join([option_string
-                for action, option_string, explicit_arg in option_tuples])
-            args = {'option': arg_string, 'matches': options}
-            msg = _('ambiguous option: %(option)s could match %(matches)s')
-            self.error(msg % args)
-
-        # if exactly one action matched, this segmentation is good,
-        # so return the parsed action
-        elif len(option_tuples) == 1:
-            option_tuple, = option_tuples
-            return option_tuple
+        if self.allow_abbrev:
+            # search through all possible prefixes of the option string
+            # and all actions in the parser for possible interpretations
+            option_tuples = self._get_option_tuples(arg_string)
+
+            # if multiple actions match, the option string was ambiguous
+            if len(option_tuples) > 1:
+                options = ', '.join([option_string
+                    for action, option_string, explicit_arg in option_tuples])
+                args = {'option': arg_string, 'matches': options}
+                msg = _('ambiguous option: %(option)s could match %(matches)s')
+                self.error(msg % args)
+
+            # if exactly one action matched, this segmentation is good,
+            # so return the parsed action
+            elif len(option_tuples) == 1:
+                option_tuple, = option_tuples
+                return option_tuple
 
         # if it was not found as an option, but it looks like a negative
         # number, it was meant to be positional
diff --git a/Lib/asynchat.py b/Lib/asynchat.py
index 14c152f..f728d1b 100644
--- a/Lib/asynchat.py
+++ b/Lib/asynchat.py
@@ -287,6 +287,9 @@ class simple_producer:
 
 class fifo:
     def __init__(self, list=None):
+        import warnings
+        warnings.warn('fifo class will be removed in Python 3.6',
+                      DeprecationWarning, stacklevel=2)
         if not list:
             self.list = deque()
         else:
diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index ed11662..50543c8 100644
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -1,7 +1,6 @@
 """Queues"""
 
-__all__ = ['Queue', 'PriorityQueue', 'LifoQueue', 'QueueFull', 'QueueEmpty',
-           'JoinableQueue']
+__all__ = ['Queue', 'PriorityQueue', 'LifoQueue', 'QueueFull', 'QueueEmpty']
 
 import collections
 import heapq
@@ -287,7 +286,3 @@ class LifoQueue(Queue):
 
     def _get(self):
         return self._queue.pop()
-
-
-JoinableQueue = Queue
-"""Deprecated alias for Queue."""
diff --git a/Lib/asyncore.py b/Lib/asyncore.py
index 00a6396..3b51f0f 100644
--- a/Lib/asyncore.py
+++ b/Lib/asyncore.py
@@ -57,8 +57,8 @@ from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, EINVAL, \
      ENOTCONN, ESHUTDOWN, EISCONN, EBADF, ECONNABORTED, EPIPE, EAGAIN, \
      errorcode
 
-_DISCONNECTED = frozenset((ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED, EPIPE,
-                           EBADF))
+_DISCONNECTED = frozenset({ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED, EPIPE,
+                           EBADF})
 
 try:
     socket_map
@@ -141,10 +141,7 @@ def poll(timeout=0.0, map=None):
             time.sleep(timeout)
             return
 
-        try:
-            r, w, e = select.select(r, w, e, timeout)
-        except InterruptedError:
-            return
+        r, w, e = select.select(r, w, e, timeout)
 
         for fd in r:
             obj = map.get(fd)
@@ -182,10 +179,8 @@ def poll2(timeout=0.0, map=None):
                 flags |= select.POLLOUT
             if flags:
                 pollster.register(fd, flags)
-        try:
-            r = pollster.poll(timeout)
-        except InterruptedError:
-            r = []
+
+        r = pollster.poll(timeout)
         for fd, flags in r:
             obj = map.get(fd)
             if obj is None:
@@ -220,7 +215,7 @@ class dispatcher:
     connecting = False
     closing = False
     addr = None
-    ignore_log_types = frozenset(['warning'])
+    ignore_log_types = frozenset({'warning'})
 
     def __init__(self, sock=None, map=None):
         if map is None:
@@ -255,7 +250,7 @@ class dispatcher:
             self.socket = None
 
     def __repr__(self):
-        status = [self.__class__.__module__+"."+self.__class__.__name__]
+        status = [self.__class__.__module__+"."+self.__class__.__qualname__]
         if self.accepting and self.addr:
             status.append('listening')
         elif self.connected:
@@ -404,20 +399,6 @@ class dispatcher:
                 if why.args[0] not in (ENOTCONN, EBADF):
                     raise
 
-    # cheap inheritance, used to pass all other attribute
-    # references to the underlying socket object.
-    def __getattr__(self, attr):
-        try:
-            retattr = getattr(self.socket, attr)
-        except AttributeError:
-            raise AttributeError("%s instance has no attribute '%s'"
-                                 %(self.__class__.__name__, attr))
-        else:
-            msg = "%(me)s.%(attr)s is deprecated; use %(me)s.socket.%(attr)s " \
-                  "instead" % {'me' : self.__class__.__name__, 'attr' : attr}
-            warnings.warn(msg, DeprecationWarning, stacklevel=2)
-            return retattr
-
     # log and log_info may be overridden to provide more sophisticated
     # logging and warning methods. In general, log is for 'hit' logging
     # and 'log_info' is for informational, warning and error logging.
@@ -604,8 +585,6 @@ def close_all(map=None, ignore_all=False):
 # Regardless, this is useful for pipes, and stdin/stdout...
 
 if os.name == 'posix':
-    import fcntl
-
     class file_wrapper:
         # Here we override just enough to make a file
         # look like a socket for the purposes of asyncore.
@@ -656,9 +635,7 @@ if os.name == 'posix':
                 pass
             self.set_file(fd)
             # set it to non-blocking mode
-            flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
-            flags = flags | os.O_NONBLOCK
-            fcntl.fcntl(fd, fcntl.F_SETFL, flags)
+            os.set_blocking(fd, False)
 
         def set_file(self, fd):
             self.socket = file_wrapper(fd)
diff --git a/Lib/binhex.py b/Lib/binhex.py
index 8272d5c..56b5f85 100644
--- a/Lib/binhex.py
+++ b/Lib/binhex.py
@@ -235,14 +235,13 @@ def binhex(inp, out):
     finfo = getfileinfo(inp)
     ofp = BinHex(finfo, out)
 
-    ifp = io.open(inp, 'rb')
-    # XXXX Do textfile translation on non-mac systems
-    while True:
-        d = ifp.read(128000)
-        if not d: break
-        ofp.write(d)
-    ofp.close_data()
-    ifp.close()
+    with io.open(inp, 'rb') as ifp:
+        # XXXX Do textfile translation on non-mac systems
+        while True:
+            d = ifp.read(128000)
+            if not d: break
+            ofp.write(d)
+        ofp.close_data()
 
     ifp = openrsrc(inp, 'rb')
     while True:
@@ -459,13 +458,12 @@ def hexbin(inp, out):
     if not out:
         out = ifp.FName
 
-    ofp = io.open(out, 'wb')
-    # XXXX Do translation on non-mac systems
-    while True:
-        d = ifp.read(128000)
-        if not d: break
-        ofp.write(d)
-    ofp.close()
+    with io.open(out, 'wb') as ofp:
+        # XXXX Do translation on non-mac systems
+        while True:
+            d = ifp.read(128000)
+            if not d: break
+            ofp.write(d)
     ifp.close_data()
 
     d = ifp.read_rsrc(128000)
diff --git a/Lib/bz2.py b/Lib/bz2.py
index 6c5a60d..bc78c54 100644
--- a/Lib/bz2.py
+++ b/Lib/bz2.py
@@ -12,6 +12,7 @@ __author__ = "Nadeem Vawda <nadeem.vawda@gmail.com>"
 from builtins import open as _builtin_open
 import io
 import warnings
+import _compression
 
 try:
     from threading import RLock
@@ -23,13 +24,11 @@ from _bz2 import BZ2Compressor, BZ2Decompressor
 
 _MODE_CLOSED   = 0
 _MODE_READ     = 1
-_MODE_READ_EOF = 2
+# Value 2 no longer used
 _MODE_WRITE    = 3
 
-_BUFFER_SIZE = 8192
 
-
-class BZ2File(io.BufferedIOBase):
+class BZ2File(_compression.BaseStream):
 
     """A file object providing transparent bzip2 (de)compression.
 
@@ -61,13 +60,11 @@ class BZ2File(io.BufferedIOBase):
         multiple compressed streams.
         """
         # This lock must be recursive, so that BufferedIOBase's
-        # readline(), readlines() and writelines() don't deadlock.
+        # writelines() does not deadlock.
         self._lock = RLock()
         self._fp = None
         self._closefp = False
         self._mode = _MODE_CLOSED
-        self._pos = 0
-        self._size = -1
 
         if buffering is not None:
             warnings.warn("Use of 'buffering' argument is deprecated",
@@ -79,9 +76,6 @@ class BZ2File(io.BufferedIOBase):
         if mode in ("", "r", "rb"):
             mode = "rb"
             mode_code = _MODE_READ
-            self._decompressor = BZ2Decompressor()
-            self._buffer = b""
-            self._buffer_offset = 0
         elif mode in ("w", "wb"):
             mode = "wb"
             mode_code = _MODE_WRITE
@@ -107,6 +101,13 @@ class BZ2File(io.BufferedIOBase):
         else:
             raise TypeError("filename must be a str or bytes object, or a file")
 
+        if self._mode == _MODE_READ:
+            raw = _compression.DecompressReader(self._fp,
+                BZ2Decompressor, trailing_error=OSError)
+            self._buffer = io.BufferedReader(raw)
+        else:
+            self._pos = 0
+
     def close(self):
         """Flush and close the file.
 
@@ -117,8 +118,8 @@ class BZ2File(io.BufferedIOBase):
             if self._mode == _MODE_CLOSED:
                 return
             try:
-                if self._mode in (_MODE_READ, _MODE_READ_EOF):
-                    self._decompressor = None
+                if self._mode == _MODE_READ:
+                    self._buffer.close()
                 elif self._mode == _MODE_WRITE:
                     self._fp.write(self._compressor.flush())
                     self._compressor = None
@@ -130,8 +131,7 @@ class BZ2File(io.BufferedIOBase):
                     self._fp = None
                     self._closefp = False
                     self._mode = _MODE_CLOSED
-                    self._buffer = b""
-                    self._buffer_offset = 0
+                    self._buffer = None
 
     @property
     def closed(self):
@@ -145,125 +145,18 @@ class BZ2File(io.BufferedIOBase):
 
     def seekable(self):
         """Return whether the file supports seeking."""
-        return self.readable() and self._fp.seekable()
+        return self.readable() and self._buffer.seekable()
 
     def readable(self):
         """Return whether the file was opened for reading."""
         self._check_not_closed()
-        return self._mode in (_MODE_READ, _MODE_READ_EOF)
+        return self._mode == _MODE_READ
 
     def writable(self):
         """Return whether the file was opened for writing."""
         self._check_not_closed()
         return self._mode == _MODE_WRITE
 
-    # Mode-checking helper functions.
-
-    def _check_not_closed(self):
-        if self.closed:
-            raise ValueError("I/O operation on closed file")
-
-    def _check_can_read(self):
-        if self._mode not in (_MODE_READ, _MODE_READ_EOF):
-            self._check_not_closed()
-            raise io.UnsupportedOperation("File not open for reading")
-
-    def _check_can_write(self):
-        if self._mode != _MODE_WRITE:
-            self._check_not_closed()
-            raise io.UnsupportedOperation("File not open for writing")
-
-    def _check_can_seek(self):
-        if self._mode not in (_MODE_READ, _MODE_READ_EOF):
-            self._check_not_closed()
-            raise io.UnsupportedOperation("Seeking is only supported "
-                                          "on files open for reading")
-        if not self._fp.seekable():
-            raise io.UnsupportedOperation("The underlying file object "
-                                          "does not support seeking")
-
-    # Fill the readahead buffer if it is empty. Returns False on EOF.
-    def _fill_buffer(self):
-        if self._mode == _MODE_READ_EOF:
-            return False
-        # Depending on the input data, our call to the decompressor may not
-        # return any data. In this case, try again after reading another block.
-        while self._buffer_offset == len(self._buffer):
-            rawblock = (self._decompressor.unused_data or
-                        self._fp.read(_BUFFER_SIZE))
-
-            if not rawblock:
-                if self._decompressor.eof:
-                    # End-of-stream marker and end of file. We're good.
-                    self._mode = _MODE_READ_EOF
-                    self._size = self._pos
-                    return False
-                else:
-                    # Problem - we were expecting more compressed data.
-                    raise EOFError("Compressed file ended before the "
-                                   "end-of-stream marker was reached")
-
-            if self._decompressor.eof:
-                # Continue to next stream.
-                self._decompressor = BZ2Decompressor()
-                try:
-                    self._buffer = self._decompressor.decompress(rawblock)
-                except OSError:
-                    # Trailing data isn't a valid bzip2 stream. We're done here.
-                    self._mode = _MODE_READ_EOF
-                    self._size = self._pos
-                    return False
-            else:
-                self._buffer = self._decompressor.decompress(rawblock)
-            self._buffer_offset = 0
-        return True
-
-    # Read data until EOF.
-    # If return_data is false, consume the data without returning it.
-    def _read_all(self, return_data=True):
-        # The loop assumes that _buffer_offset is 0. Ensure that this is true.
-        self._buffer = self._buffer[self._buffer_offset:]
-        self._buffer_offset = 0
-
-        blocks = []
-        while self._fill_buffer():
-            if return_data:
-                blocks.append(self._buffer)
-            self._pos += len(self._buffer)
-            self._buffer = b""
-        if return_data:
-            return b"".join(blocks)
-
-    # Read a block of up to n bytes.
-    # If return_data is false, consume the data without returning it.
-    def _read_block(self, n, return_data=True):
-        # If we have enough data buffered, return immediately.
-        end = self._buffer_offset + n
-        if end <= len(self._buffer):
-            data = self._buffer[self._buffer_offset : end]
-            self._buffer_offset = end
-            self._pos += len(data)
-            return data if return_data else None
-
-        # The loop assumes that _buffer_offset is 0. Ensure that this is true.
-        self._buffer = self._buffer[self._buffer_offset:]
-        self._buffer_offset = 0
-
-        blocks = []
-        while n > 0 and self._fill_buffer():
-            if n < len(self._buffer):
-                data = self._buffer[:n]
-                self._buffer_offset = n
-            else:
-                data = self._buffer
-                self._buffer = b""
-            if return_data:
-                blocks.append(data)
-            self._pos += len(data)
-            n -= len(data)
-        if return_data:
-            return b"".join(blocks)
-
     def peek(self, n=0):
         """Return buffered data without advancing the file position.
 
@@ -272,9 +165,10 @@ class BZ2File(io.BufferedIOBase):
         """
         with self._lock:
             self._check_can_read()
-            if not self._fill_buffer():
-                return b""
-            return self._buffer[self._buffer_offset:]
+            # Relies on the undocumented fact that BufferedReader.peek()
+            # always returns at least one byte (except at EOF), independent
+            # of the value of n
+            return self._buffer.peek(n)
 
     def read(self, size=-1):
         """Read up to size uncompressed bytes from the file.
@@ -284,47 +178,29 @@ class BZ2File(io.BufferedIOBase):
         """
         with self._lock:
             self._check_can_read()
-            if size == 0:
-                return b""
-            elif size < 0:
-                return self._read_all()
-            else:
-                return self._read_block(size)
+            return self._buffer.read(size)
 
     def read1(self, size=-1):
         """Read up to size uncompressed bytes, while trying to avoid
-        making multiple reads from the underlying stream.
+        making multiple reads from the underlying stream. Reads up to a
+        buffer's worth of data if size is negative.
 
         Returns b'' if the file is at EOF.
         """
-        # Usually, read1() calls _fp.read() at most once. However, sometimes
-        # this does not give enough data for the decompressor to make progress.
-        # In this case we make multiple reads, to avoid returning b"".
         with self._lock:
             self._check_can_read()
-            if (size == 0 or
-                # Only call _fill_buffer() if the buffer is actually empty.
-                # This gives a significant speedup if *size* is small.
-                (self._buffer_offset == len(self._buffer) and not self._fill_buffer())):
-                return b""
-            if size > 0:
-                data = self._buffer[self._buffer_offset :
-                                    self._buffer_offset + size]
-                self._buffer_offset += len(data)
-            else:
-                data = self._buffer[self._buffer_offset:]
-                self._buffer = b""
-                self._buffer_offset = 0
-            self._pos += len(data)
-            return data
+            if size < 0:
+                size = io.DEFAULT_BUFFER_SIZE
+            return self._buffer.read1(size)
 
     def readinto(self, b):
-        """Read up to len(b) bytes into b.
+        """Read bytes into b.
 
         Returns the number of bytes read (0 for EOF).
         """
         with self._lock:
-            return io.BufferedIOBase.readinto(self, b)
+            self._check_can_read()
+            return self._buffer.readinto(b)
 
     def readline(self, size=-1):
         """Read a line of uncompressed bytes from the file.
@@ -339,15 +215,7 @@ class BZ2File(io.BufferedIOBase):
             size = size.__index__()
         with self._lock:
             self._check_can_read()
-            # Shortcut for the common case - the whole line is in the buffer.
-            if size < 0:
-                end = self._buffer.find(b"\n", self._buffer_offset) + 1
-                if end > 0:
-                    line = self._buffer[self._buffer_offset : end]
-                    self._buffer_offset = end
-                    self._pos += len(line)
-                    return line
-            return io.BufferedIOBase.readline(self, size)
+            return self._buffer.readline(size)
 
     def readlines(self, size=-1):
         """Read a list of lines of uncompressed bytes from the file.
@@ -361,7 +229,8 @@ class BZ2File(io.BufferedIOBase):
                 raise TypeError("Integer argument expected")
             size = size.__index__()
         with self._lock:
-            return io.BufferedIOBase.readlines(self, size)
+            self._check_can_read()
+            return self._buffer.readlines(size)
 
     def write(self, data):
         """Write a byte string to the file.
@@ -386,18 +255,9 @@ class BZ2File(io.BufferedIOBase):
         Line separators are not added between the written byte strings.
         """
         with self._lock:
-            return io.BufferedIOBase.writelines(self, seq)
-
-    # Rewind the file to the beginning of the data stream.
-    def _rewind(self):
-        self._fp.seek(0, 0)
-        self._mode = _MODE_READ
-        self._pos = 0
-        self._decompressor = BZ2Decompressor()
-        self._buffer = b""
-        self._buffer_offset = 0
-
-    def seek(self, offset, whence=0):
+            return _compression.BaseStream.writelines(self, seq)
+
+    def seek(self, offset, whence=io.SEEK_SET):
         """Change the file position.
 
         The new position is specified by offset, relative to the
@@ -414,35 +274,14 @@ class BZ2File(io.BufferedIOBase):
         """
         with self._lock:
             self._check_can_seek()
-
-            # Recalculate offset as an absolute file position.
-            if whence == 0:
-                pass
-            elif whence == 1:
-                offset = self._pos + offset
-            elif whence == 2:
-                # Seeking relative to EOF - we need to know the file's size.
-                if self._size < 0:
-                    self._read_all(return_data=False)
-                offset = self._size + offset
-            else:
-                raise ValueError("Invalid value for whence: %s" % (whence,))
-
-            # Make it so that offset is the number of bytes to skip forward.
-            if offset < self._pos:
-                self._rewind()
-            else:
-                offset -= self._pos
-
-            # Read and discard data until we reach the desired position.
-            self._read_block(offset, return_data=False)
-
-            return self._pos
+            return self._buffer.seek(offset, whence)
 
     def tell(self):
         """Return the current file position."""
         with self._lock:
             self._check_not_closed()
+            if self._mode == _MODE_READ:
+                return self._buffer.tell()
             return self._pos
 
 
diff --git a/Lib/cgi.py b/Lib/cgi.py
index 6959c9e..4be28ba 100755
--- a/Lib/cgi.py
+++ b/Lib/cgi.py
@@ -566,6 +566,12 @@ class FieldStorage:
         except AttributeError:
             pass
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.file.close()
+
     def __repr__(self):
         """Return a printable representation."""
         return "FieldStorage(%r, %r, %r)" % (
diff --git a/Lib/cgitb.py b/Lib/cgitb.py
index 6eb52e7..b291100 100644
--- a/Lib/cgitb.py
+++ b/Lib/cgitb.py
@@ -294,9 +294,8 @@ class Hook:
             (fd, path) = tempfile.mkstemp(suffix=suffix, dir=self.logdir)
 
             try:
-                file = os.fdopen(fd, 'w')
-                file.write(doc)
-                file.close()
+                with os.fdopen(fd, 'w') as file:
+                    file.write(doc)
                 msg = '%s contains the description of this error.' % path
             except:
                 msg = 'Tried to save traceback to %s, but failed.' % path
diff --git a/Lib/code.py b/Lib/code.py
index f8184b6..53244e3 100644
--- a/Lib/code.py
+++ b/Lib/code.py
@@ -7,6 +7,7 @@
 
 import sys
 import traceback
+import argparse
 from codeop import CommandCompiler, compile_command
 
 __all__ = ["InteractiveInterpreter", "InteractiveConsole", "interact",
@@ -136,25 +137,18 @@ class InteractiveInterpreter:
         The output is written by self.write(), below.
 
         """
+        sys.last_type, sys.last_value, last_tb = ei = sys.exc_info()
+        sys.last_traceback = last_tb
         try:
-            type, value, tb = sys.exc_info()
-            sys.last_type = type
-            sys.last_value = value
-            sys.last_traceback = tb
-            tblist = traceback.extract_tb(tb)
-            del tblist[:1]
-            lines = traceback.format_list(tblist)
-            if lines:
-                lines.insert(0, "Traceback (most recent call last):\n")
-            lines.extend(traceback.format_exception_only(type, value))
+            lines = traceback.format_exception(ei[0], ei[1], last_tb.tb_next)
+            if sys.excepthook is sys.__excepthook__:
+                self.write(''.join(lines))
+            else:
+                # If someone has set sys.excepthook, we let that take precedence
+                # over self.write
+                sys.excepthook(ei[0], ei[1], last_tb)
         finally:
-            tblist = tb = None
-        if sys.excepthook is sys.__excepthook__:
-            self.write(''.join(lines))
-        else:
-            # If someone has set sys.excepthook, we let that take precedence
-            # over self.write
-            sys.excepthook(type, value, tb)
+            last_tb = ei = None
 
     def write(self, data):
         """Write a string.
@@ -299,4 +293,12 @@ def interact(banner=None, readfunc=None, local=None):
 
 
 if __name__ == "__main__":
-    interact()
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-q', action='store_true',
+                       help="don't print version and copyright messages")
+    args = parser.parse_args()
+    if args.q or sys.flags.quiet:
+        banner = ''
+    else:
+        banner = None
+    interact(banner)
diff --git a/Lib/codecs.py b/Lib/codecs.py
index 66dd024..31e73bd 100644
--- a/Lib/codecs.py
+++ b/Lib/codecs.py
@@ -27,7 +27,8 @@ __all__ = ["register", "lookup", "open", "EncodedFile", "BOM", "BOM_BE",
            "getincrementaldecoder", "getreader", "getwriter",
            "encode", "decode", "iterencode", "iterdecode",
            "strict_errors", "ignore_errors", "replace_errors",
-           "xmlcharrefreplace_errors", "backslashreplace_errors",
+           "xmlcharrefreplace_errors",
+           "backslashreplace_errors", "namereplace_errors",
            "register_error", "lookup_error"]
 
 ### Constants
@@ -105,8 +106,8 @@ class CodecInfo(tuple):
         return self
 
     def __repr__(self):
-        return "<%s.%s object for encoding %s at 0x%x>" % \
-                (self.__class__.__module__, self.__class__.__name__,
+        return "<%s.%s object for encoding %s at %#x>" % \
+                (self.__class__.__module__, self.__class__.__qualname__,
                  self.name, id(self))
 
 class Codec:
@@ -126,7 +127,8 @@ class Codec:
          'surrogateescape' - replace with private code points U+DCnn.
          'xmlcharrefreplace' - Replace with the appropriate XML
                                character reference (only for encoding).
-         'backslashreplace'  - Replace with backslashed escape sequences
+         'backslashreplace'  - Replace with backslashed escape sequences.
+         'namereplace'       - Replace with \\N{...} escape sequences
                                (only for encoding).
 
         The set of allowed values can be extended via register_error.
@@ -358,7 +360,8 @@ class StreamWriter(Codec):
              'xmlcharrefreplace' - Replace with the appropriate XML
                                    character reference.
              'backslashreplace'  - Replace with backslashed escape
-                                   sequences (only for encoding).
+                                   sequences.
+             'namereplace'       - Replace with \\N{...} escape sequences.
 
             The set of allowed parameter values can be extended via
             register_error.
@@ -428,7 +431,8 @@ class StreamReader(Codec):
 
              'strict' - raise a ValueError (or a subclass)
              'ignore' - ignore the character and continue with the next
-             'replace'- replace with a suitable replacement character;
+             'replace'- replace with a suitable replacement character
+             'backslashreplace' - Replace with backslashed escape sequences;
 
             The set of allowed parameter values can be extended via
             register_error.
@@ -1080,6 +1084,7 @@ try:
     replace_errors = lookup_error("replace")
     xmlcharrefreplace_errors = lookup_error("xmlcharrefreplace")
     backslashreplace_errors = lookup_error("backslashreplace")
+    namereplace_errors = lookup_error("namereplace")
 except LookupError:
     # In --disable-unicode builds, these error handler are missing
     strict_errors = None
@@ -1087,6 +1092,7 @@ except LookupError:
     replace_errors = None
     xmlcharrefreplace_errors = None
     backslashreplace_errors = None
+    namereplace_errors = None
 
 # Tell modulefinder that using codecs probably needs the encodings
 # package
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index 565ae86..9fd3532 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -16,10 +16,29 @@ from _weakref import proxy as _proxy
 from itertools import repeat as _repeat, chain as _chain, starmap as _starmap
 from reprlib import recursive_repr as _recursive_repr
 
+MutableSequence.register(deque)
+
 ################################################################################
 ### OrderedDict
 ################################################################################
 
+class _OrderedDictKeysView(KeysView):
+
+    def __reversed__(self):
+        yield from reversed(self._mapping)
+
+class _OrderedDictItemsView(ItemsView):
+
+    def __reversed__(self):
+        for key in reversed(self._mapping):
+            yield (key, self._mapping[key])
+
+class _OrderedDictValuesView(ValuesView):
+
+    def __reversed__(self):
+        for key in reversed(self._mapping):
+            yield self._mapping[key]
+
 class _Link(object):
     __slots__ = 'prev', 'next', 'key', '__weakref__'
 
@@ -83,6 +102,8 @@ class OrderedDict(dict):
         link_next = link.next
         link_prev.next = link_next
         link_next.prev = link_prev
+        link.prev = None
+        link.next = None
 
     def __iter__(self):
         'od.__iter__() <==> iter(od)'
@@ -166,9 +187,19 @@ class OrderedDict(dict):
         return size
 
     update = __update = MutableMapping.update
-    keys = MutableMapping.keys
-    values = MutableMapping.values
-    items = MutableMapping.items
+
+    def keys(self):
+        "D.keys() -> a set-like object providing a view on D's keys"
+        return _OrderedDictKeysView(self)
+
+    def items(self):
+        "D.items() -> a set-like object providing a view on D's items"
+        return _OrderedDictItemsView(self)
+
+    def values(self):
+        "D.values() -> an object providing a view on D's values"
+        return _OrderedDictValuesView(self)
+
     __ne__ = MutableMapping.__ne__
 
     __marker = object()
@@ -958,7 +989,6 @@ class UserList(MutableSequence):
     def __lt__(self, other): return self.data <  self.__cast(other)
     def __le__(self, other): return self.data <= self.__cast(other)
     def __eq__(self, other): return self.data == self.__cast(other)
-    def __ne__(self, other): return self.data != self.__cast(other)
     def __gt__(self, other): return self.data >  self.__cast(other)
     def __ge__(self, other): return self.data >= self.__cast(other)
     def __cast(self, other):
@@ -1035,10 +1065,6 @@ class UserString(Sequence):
         if isinstance(string, UserString):
             return self.data == string.data
         return self.data == string
-    def __ne__(self, string):
-        if isinstance(string, UserString):
-            return self.data != string.data
-        return self.data != string
     def __lt__(self, string):
         if isinstance(string, UserString):
             return self.data < string.data
diff --git a/Lib/compileall.py b/Lib/compileall.py
index d957ee5..64c0a9a 100644
--- a/Lib/compileall.py
+++ b/Lib/compileall.py
@@ -1,4 +1,4 @@
-"""Module/script to byte-compile all .py files to .pyc (or .pyo) files.
+"""Module/script to byte-compile all .py files to .pyc files.
 
 When called as a script with arguments, this compiles the directories
 given as arguments recursively; the -l option prevents it from
@@ -16,32 +16,24 @@ import importlib.util
 import py_compile
 import struct
 
-__all__ = ["compile_dir","compile_file","compile_path"]
-
-def compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None,
-                quiet=False, legacy=False, optimize=-1):
-    """Byte-compile all modules in the given directory tree.
+try:
+    from concurrent.futures import ProcessPoolExecutor
+except ImportError:
+    ProcessPoolExecutor = None
+from functools import partial
 
-    Arguments (only dir is required):
+__all__ = ["compile_dir","compile_file","compile_path"]
 
-    dir:       the directory to byte-compile
-    maxlevels: maximum recursion level (default 10)
-    ddir:      the directory that will be prepended to the path to the
-               file as it is compiled into each byte-code file.
-    force:     if True, force compilation, even if timestamps are up-to-date
-    quiet:     if True, be quiet during compilation
-    legacy:    if True, produce legacy pyc paths instead of PEP 3147 paths
-    optimize:  optimization level or -1 for level of the interpreter
-    """
+def _walk_dir(dir, ddir=None, maxlevels=10, quiet=0):
     if not quiet:
         print('Listing {!r}...'.format(dir))
     try:
         names = os.listdir(dir)
     except OSError:
-        print("Can't list {!r}".format(dir))
+        if quiet < 2:
+            print("Can't list {!r}".format(dir))
         names = []
     names.sort()
-    success = 1
     for name in names:
         if name == '__pycache__':
             continue
@@ -51,17 +43,53 @@ def compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None,
         else:
             dfile = None
         if not os.path.isdir(fullname):
-            if not compile_file(fullname, ddir, force, rx, quiet,
-                                legacy, optimize):
-                success = 0
+            yield fullname
         elif (maxlevels > 0 and name != os.curdir and name != os.pardir and
               os.path.isdir(fullname) and not os.path.islink(fullname)):
-            if not compile_dir(fullname, maxlevels - 1, dfile, force, rx,
-                               quiet, legacy, optimize):
+            yield from _walk_dir(fullname, ddir=dfile,
+                                 maxlevels=maxlevels - 1, quiet=quiet)
+
+def compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None,
+                quiet=0, legacy=False, optimize=-1, workers=1):
+    """Byte-compile all modules in the given directory tree.
+
+    Arguments (only dir is required):
+
+    dir:       the directory to byte-compile
+    maxlevels: maximum recursion level (default 10)
+    ddir:      the directory that will be prepended to the path to the
+               file as it is compiled into each byte-code file.
+    force:     if True, force compilation, even if timestamps are up-to-date
+    quiet:     full output with False or 0, errors only with 1,
+               no output with 2
+    legacy:    if True, produce legacy pyc paths instead of PEP 3147 paths
+    optimize:  optimization level or -1 for level of the interpreter
+    workers:   maximum number of parallel workers
+    """
+    files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels,
+                      ddir=ddir)
+    success = 1
+    if workers is not None and workers != 1 and ProcessPoolExecutor is not None:
+        if workers < 0:
+            raise ValueError('workers must be greater or equal to 0')
+
+        workers = workers or None
+        with ProcessPoolExecutor(max_workers=workers) as executor:
+            results = executor.map(partial(compile_file,
+                                           ddir=ddir, force=force,
+                                           rx=rx, quiet=quiet,
+                                           legacy=legacy,
+                                           optimize=optimize),
+                                   files)
+            success = min(results, default=1)
+    else:
+        for file in files:
+            if not compile_file(file, ddir, force, rx, quiet,
+                                legacy, optimize):
                 success = 0
     return success
 
-def compile_file(fullname, ddir=None, force=False, rx=None, quiet=False,
+def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
                  legacy=False, optimize=-1):
     """Byte-compile one file.
 
@@ -71,7 +99,8 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=False,
     ddir:      if given, the directory name compiled in to the
                byte-code file.
     force:     if True, force compilation, even if timestamps are up-to-date
-    quiet:     if True, be quiet during compilation
+    quiet:     full output with False or 0, errors only with 1,
+               no output with 2
     legacy:    if True, produce legacy pyc paths instead of PEP 3147 paths
     optimize:  optimization level or -1 for level of the interpreter
     """
@@ -87,11 +116,12 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=False,
             return success
     if os.path.isfile(fullname):
         if legacy:
-            cfile = fullname + ('c' if __debug__ else 'o')
+            cfile = fullname + 'c'
         else:
             if optimize >= 0:
+                opt = optimize if optimize >= 1 else ''
                 cfile = importlib.util.cache_from_source(
-                                fullname, debug_override=not optimize)
+                                fullname, optimization=opt)
             else:
                 cfile = importlib.util.cache_from_source(fullname)
             cache_dir = os.path.dirname(cfile)
@@ -114,7 +144,10 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=False,
                 ok = py_compile.compile(fullname, cfile, dfile, True,
                                         optimize=optimize)
             except py_compile.PyCompileError as err:
-                if quiet:
+                success = 0
+                if quiet >= 2:
+                    return success
+                elif quiet:
                     print('*** Error compiling {!r}...'.format(fullname))
                 else:
                     print('*** ', end='')
@@ -123,20 +156,21 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=False,
                                      errors='backslashreplace')
                 msg = msg.decode(sys.stdout.encoding)
                 print(msg)
-                success = 0
             except (SyntaxError, UnicodeError, OSError) as e:
-                if quiet:
+                success = 0
+                if quiet >= 2:
+                    return success
+                elif quiet:
                     print('*** Error compiling {!r}...'.format(fullname))
                 else:
                     print('*** ', end='')
                 print(e.__class__.__name__ + ':', e)
-                success = 0
             else:
                 if ok == 0:
                     success = 0
     return success
 
-def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
+def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=0,
                  legacy=False, optimize=-1):
     """Byte-compile all module on sys.path.
 
@@ -145,14 +179,15 @@ def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
     skip_curdir: if true, skip current directory (default True)
     maxlevels:   max recursion level (default 0)
     force: as for compile_dir() (default False)
-    quiet: as for compile_dir() (default False)
+    quiet: as for compile_dir() (default 0)
     legacy: as for compile_dir() (default False)
     optimize: as for compile_dir() (default -1)
     """
     success = 1
     for dir in sys.path:
         if (not dir or dir == os.curdir) and skip_curdir:
-            print('Skipping current directory')
+            if quiet < 2:
+                print('Skipping current directory')
         else:
             success = success and compile_dir(dir, maxlevels, None,
                                               force, quiet=quiet,
@@ -169,10 +204,15 @@ def main():
     parser.add_argument('-l', action='store_const', const=0,
                         default=10, dest='maxlevels',
                         help="don't recurse into subdirectories")
+    parser.add_argument('-r', type=int, dest='recursion',
+                        help=('control the maximum recursion level. '
+                              'if `-l` and `-r` options are specified, '
+                              'then `-r` takes precedence.'))
     parser.add_argument('-f', action='store_true', dest='force',
                         help='force rebuild even if timestamps are up to date')
-    parser.add_argument('-q', action='store_true', dest='quiet',
-                        help='output only error messages')
+    parser.add_argument('-q', action='count', dest='quiet', default=0,
+                        help='output only error messages; -qq will suppress '
+                             'the error messages as well.')
     parser.add_argument('-b', action='store_true', dest='legacy',
                         help='use legacy (pre-PEP3147) compiled file locations')
     parser.add_argument('-d', metavar='DESTDIR',  dest='ddir', default=None,
@@ -192,8 +232,10 @@ def main():
                         help=('zero or more file and directory names '
                               'to compile; if no arguments given, defaults '
                               'to the equivalent of -l sys.path'))
-    args = parser.parse_args()
+    parser.add_argument('-j', '--workers', default=1,
+                        type=int, help='Run compileall concurrently')
 
+    args = parser.parse_args()
     compile_dests = args.compile_dest
 
     if (args.ddir and (len(compile_dests) != 1
@@ -203,6 +245,12 @@ def main():
         import re
         args.rx = re.compile(args.rx)
 
+
+    if args.recursion is not None:
+        maxlevels = args.recursion
+    else:
+        maxlevels = args.maxlevels
+
     # if flist is provided then load it
     if args.flist:
         try:
@@ -210,9 +258,13 @@ def main():
                 for line in f:
                     compile_dests.append(line.strip())
         except OSError:
-            print("Error reading file list {}".format(args.flist))
+            if args.quiet < 2:
+                print("Error reading file list {}".format(args.flist))
             return False
 
+    if args.workers is not None:
+        args.workers = args.workers or None
+
     success = True
     try:
         if compile_dests:
@@ -222,16 +274,17 @@ def main():
                                         args.quiet, args.legacy):
                         success = False
                 else:
-                    if not compile_dir(dest, args.maxlevels, args.ddir,
+                    if not compile_dir(dest, maxlevels, args.ddir,
                                        args.force, args.rx, args.quiet,
-                                       args.legacy):
+                                       args.legacy, workers=args.workers):
                         success = False
             return success
         else:
             return compile_path(legacy=args.legacy, force=args.force,
                                 quiet=args.quiet)
     except KeyboardInterrupt:
-        print("\n[interrupted]")
+        if args.quiet < 2:
+            print("\n[interrupted]")
         return False
     return True
 
diff --git a/Lib/concurrent/futures/_base.py b/Lib/concurrent/futures/_base.py
index acd05d0..9e44713 100644
--- a/Lib/concurrent/futures/_base.py
+++ b/Lib/concurrent/futures/_base.py
@@ -302,17 +302,20 @@ class Future(object):
         with self._condition:
             if self._state == FINISHED:
                 if self._exception:
-                    return '<Future at %s state=%s raised %s>' % (
-                        hex(id(self)),
+                    return '<%s at %#x state=%s raised %s>' % (
+                        self.__class__.__name__,
+                        id(self),
                         _STATE_TO_DESCRIPTION_MAP[self._state],
                         self._exception.__class__.__name__)
                 else:
-                    return '<Future at %s state=%s returned %s>' % (
-                        hex(id(self)),
+                    return '<%s at %#x state=%s returned %s>' % (
+                        self.__class__.__name__,
+                        id(self),
                         _STATE_TO_DESCRIPTION_MAP[self._state],
                         self._result.__class__.__name__)
-            return '<Future at %s state=%s>' % (
-                    hex(id(self)),
+            return '<%s at %#x state=%s>' % (
+                    self.__class__.__name__,
+                    id(self),
                    _STATE_TO_DESCRIPTION_MAP[self._state])
 
     def cancel(self):
@@ -517,7 +520,7 @@ class Executor(object):
         """
         raise NotImplementedError()
 
-    def map(self, fn, *iterables, timeout=None):
+    def map(self, fn, *iterables, timeout=None, chunksize=1):
         """Returns a iterator equivalent to map(fn, iter).
 
         Args:
@@ -525,6 +528,10 @@ class Executor(object):
                 passed iterables.
             timeout: The maximum number of seconds to wait. If None, then there
                 is no limit on the wait time.
+            chunksize: The size of the chunks the iterable will be broken into
+                before being passed to a child process. This argument is only
+                used by ProcessPoolExecutor; it is ignored by
+                ThreadPoolExecutor.
 
         Returns:
             An iterator equivalent to: map(func, *iterables) but the calls may
diff --git a/Lib/concurrent/futures/process.py b/Lib/concurrent/futures/process.py
index 07b5225..3dd6da1 100644
--- a/Lib/concurrent/futures/process.py
+++ b/Lib/concurrent/futures/process.py
@@ -55,6 +55,9 @@ from multiprocessing import SimpleQueue
 from multiprocessing.connection import wait
 import threading
 import weakref
+from functools import partial
+import itertools
+import traceback
 
 # Workers are created as daemon threads and processes. This is done to allow the
 # interpreter to exit when there are still idle processes in a
@@ -88,6 +91,27 @@ def _python_exit():
 # (Futures in the call queue cannot be cancelled).
 EXTRA_QUEUED_CALLS = 1
 
+# Hack to embed stringification of remote traceback in local traceback
+
+class _RemoteTraceback(Exception):
+    def __init__(self, tb):
+        self.tb = tb
+    def __str__(self):
+        return self.tb
+
+class _ExceptionWithTraceback:
+    def __init__(self, exc, tb):
+        tb = traceback.format_exception(type(exc), exc, tb)
+        tb = ''.join(tb)
+        self.exc = exc
+        self.tb = '\n"""\n%s"""' % tb
+    def __reduce__(self):
+        return _rebuild_exc, (self.exc, self.tb)
+
+def _rebuild_exc(exc, tb):
+    exc.__cause__ = _RemoteTraceback(tb)
+    return exc
+
 class _WorkItem(object):
     def __init__(self, future, fn, args, kwargs):
         self.future = future
@@ -108,6 +132,26 @@ class _CallItem(object):
         self.args = args
         self.kwargs = kwargs
 
+def _get_chunks(*iterables, chunksize):
+    """ Iterates over zip()ed iterables in chunks. """
+    it = zip(*iterables)
+    while True:
+        chunk = tuple(itertools.islice(it, chunksize))
+        if not chunk:
+            return
+        yield chunk
+
+def _process_chunk(fn, chunk):
+    """ Processes a chunk of an iterable passed to map.
+
+    Runs the function passed to map() on a chunk of the
+    iterable passed to map.
+
+    This function is run in a separate process.
+
+    """
+    return [fn(*args) for args in chunk]
+
 def _process_worker(call_queue, result_queue):
     """Evaluates calls from call_queue and places the results in result_queue.
 
@@ -130,8 +174,8 @@ def _process_worker(call_queue, result_queue):
         try:
             r = call_item.fn(*call_item.args, **call_item.kwargs)
         except BaseException as e:
-            result_queue.put(_ResultItem(call_item.work_id,
-                                         exception=e))
+            exc = _ExceptionWithTraceback(e, e.__traceback__)
+            result_queue.put(_ResultItem(call_item.work_id, exception=exc))
         else:
             result_queue.put(_ResultItem(call_item.work_id,
                                          result=r))
@@ -334,6 +378,9 @@ class ProcessPoolExecutor(_base.Executor):
         if max_workers is None:
             self._max_workers = os.cpu_count() or 1
         else:
+            if max_workers <= 0:
+                raise ValueError("max_workers must be greater than 0")
+
             self._max_workers = max_workers
 
         # Make the call queue slightly larger than the number of processes to
@@ -408,6 +455,35 @@ class ProcessPoolExecutor(_base.Executor):
             return f
     submit.__doc__ = _base.Executor.submit.__doc__
 
+    def map(self, fn, *iterables, timeout=None, chunksize=1):
+        """Returns a iterator equivalent to map(fn, iter).
+
+        Args:
+            fn: A callable that will take as many arguments as there are
+                passed iterables.
+            timeout: The maximum number of seconds to wait. If None, then there
+                is no limit on the wait time.
+            chunksize: If greater than one, the iterables will be chopped into
+                chunks of size chunksize and submitted to the process pool.
+                If set to one, the items in the list will be sent one at a time.
+
+        Returns:
+            An iterator equivalent to: map(func, *iterables) but the calls may
+            be evaluated out-of-order.
+
+        Raises:
+            TimeoutError: If the entire result iterator could not be generated
+                before the given timeout.
+            Exception: If fn(*args) raises for any values.
+        """
+        if chunksize < 1:
+            raise ValueError("chunksize must be >= 1.")
+
+        results = super().map(partial(_process_chunk, fn),
+                              _get_chunks(*iterables, chunksize=chunksize),
+                              timeout=timeout)
+        return itertools.chain.from_iterable(results)
+
     def shutdown(self, wait=True):
         with self._shutdown_lock:
             self._shutdown_thread = True
diff --git a/Lib/concurrent/futures/thread.py b/Lib/concurrent/futures/thread.py
index f9beb0f..3ae442d 100644
--- a/Lib/concurrent/futures/thread.py
+++ b/Lib/concurrent/futures/thread.py
@@ -10,6 +10,7 @@ from concurrent.futures import _base
 import queue
 import threading
 import weakref
+import os
 
 # Workers are created as daemon threads. This is done to allow the interpreter
 # to exit when there are still idle threads in a ThreadPoolExecutor's thread
@@ -80,13 +81,20 @@ def _worker(executor_reference, work_queue):
         _base.LOGGER.critical('Exception in worker', exc_info=True)
 
 class ThreadPoolExecutor(_base.Executor):
-    def __init__(self, max_workers):
+    def __init__(self, max_workers=None):
         """Initializes a new ThreadPoolExecutor instance.
 
         Args:
             max_workers: The maximum number of threads that can be used to
                 execute the given calls.
         """
+        if max_workers is None:
+            # Use this number because ThreadPoolExecutor is often
+            # used to overlap I/O instead of CPU work.
+            max_workers = (os.cpu_count() or 1) * 5
+        if max_workers <= 0:
+            raise ValueError("max_workers must be greater than 0")
+
         self._max_workers = max_workers
         self._work_queue = queue.Queue()
         self._threads = set()
diff --git a/Lib/configparser.py b/Lib/configparser.py
index 4ee8307..ecd0660 100644
--- a/Lib/configparser.py
+++ b/Lib/configparser.py
@@ -17,7 +17,8 @@ ConfigParser -- responsible for parsing a list of
     __init__(defaults=None, dict_type=_default_dict, allow_no_value=False,
              delimiters=('=', ':'), comment_prefixes=('#', ';'),
              inline_comment_prefixes=None, strict=True,
-             empty_lines_in_values=True):
+             empty_lines_in_values=True, default_section='DEFAULT',
+             interpolation=<unset>, converters=<unset>):
         Create the parser. When `defaults' is given, it is initialized into the
         dictionary or intrinsic defaults. The keys must be strings, the values
         must be appropriate for %()s string interpolation.
@@ -47,6 +48,25 @@ ConfigParser -- responsible for parsing a list of
         When `allow_no_value' is True (default: False), options without
         values are accepted; the value presented for these is None.
 
+        When `default_section' is given, the name of the special section is
+        named accordingly. By default it is called ``"DEFAULT"`` but this can
+        be customized to point to any other valid section name. Its current
+        value can be retrieved using the ``parser_instance.default_section``
+        attribute and may be modified at runtime.
+
+        When `interpolation` is given, it should be an Interpolation subclass
+        instance. It will be used as the handler for option value
+        pre-processing when using getters. RawConfigParser object s don't do
+        any sort of interpolation, whereas ConfigParser uses an instance of
+        BasicInterpolation. The library also provides a ``zc.buildbot``
+        inspired ExtendedInterpolation implementation.
+
+        When `converters` is given, it should be a dictionary where each key
+        represents the name of a type converter and each value is a callable
+        implementing the conversion from string to the desired datatype. Every
+        converter gets its corresponding get*() method on the parser object and
+        section proxies.
+
     sections()
         Return all the configuration section names, sans DEFAULT.
 
@@ -129,9 +149,11 @@ import warnings
 
 __all__ = ["NoSectionError", "DuplicateOptionError", "DuplicateSectionError",
            "NoOptionError", "InterpolationError", "InterpolationDepthError",
-           "InterpolationSyntaxError", "ParsingError",
-           "MissingSectionHeaderError",
+           "InterpolationMissingOptionError", "InterpolationSyntaxError",
+           "ParsingError", "MissingSectionHeaderError",
            "ConfigParser", "SafeConfigParser", "RawConfigParser",
+           "Interpolation", "BasicInterpolation",  "ExtendedInterpolation",
+           "LegacyInterpolation", "SectionProxy", "ConverterMapping",
            "DEFAULTSECT", "MAX_INTERPOLATION_DEPTH"]
 
 DEFAULTSECT = "DEFAULT"
@@ -410,7 +432,7 @@ class BasicInterpolation(Interpolation):
                     v = map[var]
                 except KeyError:
                     raise InterpolationMissingOptionError(
-                        option, section, rest, var)
+                        option, section, rest, var) from None
                 if "%" in v:
                     self._interpolate_some(parser, option, accum, v,
                                            section, map, depth + 1)
@@ -482,7 +504,7 @@ class ExtendedInterpolation(Interpolation):
                             "More than one ':' found: %r" % (rest,))
                 except (KeyError, NoSectionError, NoOptionError):
                     raise InterpolationMissingOptionError(
-                        option, section, rest, ":".join(path))
+                        option, section, rest, ":".join(path)) from None
                 if "$" in v:
                     self._interpolate_some(parser, opt, accum, v, sect,
                                            dict(parser.items(sect, raw=True)),
@@ -515,7 +537,7 @@ class LegacyInterpolation(Interpolation):
                     value = value % vars
                 except KeyError as e:
                     raise InterpolationMissingOptionError(
-                        option, section, rawval, e.args[0])
+                        option, section, rawval, e.args[0]) from None
             else:
                 break
         if value and "%(" in value:
@@ -580,11 +602,12 @@ class RawConfigParser(MutableMapping):
                  comment_prefixes=('#', ';'), inline_comment_prefixes=None,
                  strict=True, empty_lines_in_values=True,
                  default_section=DEFAULTSECT,
-                 interpolation=_UNSET):
+                 interpolation=_UNSET, converters=_UNSET):
 
         self._dict = dict_type
         self._sections = self._dict()
         self._defaults = self._dict()
+        self._converters = ConverterMapping(self)
         self._proxies = self._dict()
         self._proxies[default_section] = SectionProxy(self, default_section)
         if defaults:
@@ -612,6 +635,8 @@ class RawConfigParser(MutableMapping):
             self._interpolation = self._DEFAULT_INTERPOLATION
         if self._interpolation is None:
             self._interpolation = Interpolation()
+        if converters is not _UNSET:
+            self._converters.update(converters)
 
     def defaults(self):
         return self._defaults
@@ -647,7 +672,7 @@ class RawConfigParser(MutableMapping):
         try:
             opts = self._sections[section].copy()
         except KeyError:
-            raise NoSectionError(section)
+            raise NoSectionError(section) from None
         opts.update(self._defaults)
         return list(opts.keys())
 
@@ -775,36 +800,31 @@ class RawConfigParser(MutableMapping):
     def _get(self, section, conv, option, **kwargs):
         return conv(self.get(section, option, **kwargs))
 
-    def getint(self, section, option, *, raw=False, vars=None,
-               fallback=_UNSET):
+    def _get_conv(self, section, option, conv, *, raw=False, vars=None,
+                  fallback=_UNSET, **kwargs):
         try:
-            return self._get(section, int, option, raw=raw, vars=vars)
+            return self._get(section, conv, option, raw=raw, vars=vars,
+                             **kwargs)
         except (NoSectionError, NoOptionError):
             if fallback is _UNSET:
                 raise
-            else:
-                return fallback
+            return fallback
+
+    # getint, getfloat and getboolean provided directly for backwards compat
+    def getint(self, section, option, *, raw=False, vars=None,
+               fallback=_UNSET, **kwargs):
+        return self._get_conv(section, option, int, raw=raw, vars=vars,
+                              fallback=fallback, **kwargs)
 
     def getfloat(self, section, option, *, raw=False, vars=None,
-                 fallback=_UNSET):
-        try:
-            return self._get(section, float, option, raw=raw, vars=vars)
-        except (NoSectionError, NoOptionError):
-            if fallback is _UNSET:
-                raise
-            else:
-                return fallback
+                 fallback=_UNSET, **kwargs):
+        return self._get_conv(section, option, float, raw=raw, vars=vars,
+                              fallback=fallback, **kwargs)
 
     def getboolean(self, section, option, *, raw=False, vars=None,
-                   fallback=_UNSET):
-        try:
-            return self._get(section, self._convert_to_boolean, option,
-                             raw=raw, vars=vars)
-        except (NoSectionError, NoOptionError):
-            if fallback is _UNSET:
-                raise
-            else:
-                return fallback
+                   fallback=_UNSET, **kwargs):
+        return self._get_conv(section, option, self._convert_to_boolean,
+                              raw=raw, vars=vars, fallback=fallback, **kwargs)
 
     def items(self, section=_UNSET, raw=False, vars=None):
         """Return a list of (name, value) tuples for each option in a section.
@@ -876,7 +896,7 @@ class RawConfigParser(MutableMapping):
             try:
                 sectdict = self._sections[section]
             except KeyError:
-                raise NoSectionError(section)
+                raise NoSectionError(section) from None
         sectdict[self.optionxform(option)] = value
 
     def write(self, fp, space_around_delimiters=True):
@@ -917,7 +937,7 @@ class RawConfigParser(MutableMapping):
             try:
                 sectdict = self._sections[section]
             except KeyError:
-                raise NoSectionError(section)
+                raise NoSectionError(section) from None
         option = self.optionxform(option)
         existed = option in sectdict
         if existed:
@@ -1154,6 +1174,10 @@ class RawConfigParser(MutableMapping):
             if not isinstance(value, str):
                 raise TypeError("option values must be strings")
 
+    @property
+    def converters(self):
+        return self._converters
+
 
 class ConfigParser(RawConfigParser):
     """ConfigParser implementing interpolation."""
@@ -1194,6 +1218,10 @@ class SectionProxy(MutableMapping):
         """Creates a view on a section of the specified `name` in `parser`."""
         self._parser = parser
         self._name = name
+        for conv in parser.converters:
+            key = 'get' + conv
+            getter = functools.partial(self.get, _impl=getattr(parser, key))
+            setattr(self, key, getter)
 
     def __repr__(self):
         return '<Section: {}>'.format(self._name)
@@ -1227,22 +1255,6 @@ class SectionProxy(MutableMapping):
         else:
             return self._parser.defaults()
 
-    def get(self, option, fallback=None, *, raw=False, vars=None):
-        return self._parser.get(self._name, option, raw=raw, vars=vars,
-                                fallback=fallback)
-
-    def getint(self, option, fallback=None, *, raw=False, vars=None):
-        return self._parser.getint(self._name, option, raw=raw, vars=vars,
-                                   fallback=fallback)
-
-    def getfloat(self, option, fallback=None, *, raw=False, vars=None):
-        return self._parser.getfloat(self._name, option, raw=raw, vars=vars,
-                                     fallback=fallback)
-
-    def getboolean(self, option, fallback=None, *, raw=False, vars=None):
-        return self._parser.getboolean(self._name, option, raw=raw, vars=vars,
-                                       fallback=fallback)
-
     @property
     def parser(self):
         # The parser object of the proxy is read-only.
@@ -1252,3 +1264,77 @@ class SectionProxy(MutableMapping):
     def name(self):
         # The name of the section on a proxy is read-only.
         return self._name
+
+    def get(self, option, fallback=None, *, raw=False, vars=None,
+            _impl=None, **kwargs):
+        """Get an option value.
+
+        Unless `fallback` is provided, `None` will be returned if the option
+        is not found.
+
+        """
+        # If `_impl` is provided, it should be a getter method on the parser
+        # object that provides the desired type conversion.
+        if not _impl:
+            _impl = self._parser.get
+        return _impl(self._name, option, raw=raw, vars=vars,
+                     fallback=fallback, **kwargs)
+
+
+class ConverterMapping(MutableMapping):
+    """Enables reuse of get*() methods between the parser and section proxies.
+
+    If a parser class implements a getter directly, the value for the given
+    key will be ``None``. The presence of the converter name here enables
+    section proxies to find and use the implementation on the parser class.
+    """
+
+    GETTERCRE = re.compile(r"^get(?P<name>.+)$")
+
+    def __init__(self, parser):
+        self._parser = parser
+        self._data = {}
+        for getter in dir(self._parser):
+            m = self.GETTERCRE.match(getter)
+            if not m or not callable(getattr(self._parser, getter)):
+                continue
+            self._data[m.group('name')] = None   # See class docstring.
+
+    def __getitem__(self, key):
+        return self._data[key]
+
+    def __setitem__(self, key, value):
+        try:
+            k = 'get' + key
+        except TypeError:
+            raise ValueError('Incompatible key: {} (type: {})'
+                             ''.format(key, type(key)))
+        if k == 'get':
+            raise ValueError('Incompatible key: cannot use "" as a name')
+        self._data[key] = value
+        func = functools.partial(self._parser._get_conv, conv=value)
+        func.converter = value
+        setattr(self._parser, k, func)
+        for proxy in self._parser.values():
+            getter = functools.partial(proxy.get, _impl=func)
+            setattr(proxy, k, getter)
+
+    def __delitem__(self, key):
+        try:
+            k = 'get' + (key or None)
+        except TypeError:
+            raise KeyError(key)
+        del self._data[key]
+        for inst in itertools.chain((self._parser,), self._parser.values()):
+            try:
+                delattr(inst, k)
+            except AttributeError:
+                # don't raise since the entry was present in _data, silently
+                # clean up
+                continue
+
+    def __iter__(self):
+        return iter(self._data)
+
+    def __len__(self):
+        return len(self._data)
diff --git a/Lib/contextlib.py b/Lib/contextlib.py
index 82ee955..2fbc90c 100644
--- a/Lib/contextlib.py
+++ b/Lib/contextlib.py
@@ -5,7 +5,7 @@ from collections import deque
 from functools import wraps
 
 __all__ = ["contextmanager", "closing", "ContextDecorator", "ExitStack",
-           "redirect_stdout", "suppress"]
+           "redirect_stdout", "redirect_stderr", "suppress"]
 
 
 class ContextDecorator(object):
@@ -151,8 +151,27 @@ class closing(object):
     def __exit__(self, *exc_info):
         self.thing.close()
 
-class redirect_stdout:
-    """Context manager for temporarily redirecting stdout to another file
+
+class _RedirectStream:
+
+    _stream = None
+
+    def __init__(self, new_target):
+        self._new_target = new_target
+        # We use a list of old targets to make this CM re-entrant
+        self._old_targets = []
+
+    def __enter__(self):
+        self._old_targets.append(getattr(sys, self._stream))
+        setattr(sys, self._stream, self._new_target)
+        return self._new_target
+
+    def __exit__(self, exctype, excinst, exctb):
+        setattr(sys, self._stream, self._old_targets.pop())
+
+
+class redirect_stdout(_RedirectStream):
+    """Context manager for temporarily redirecting stdout to another file.
 
         # How to send help() to stderr
         with redirect_stdout(sys.stderr):
@@ -164,18 +183,13 @@ class redirect_stdout:
                 help(pow)
     """
 
-    def __init__(self, new_target):
-        self._new_target = new_target
-        # We use a list of old targets to make this CM re-entrant
-        self._old_targets = []
+    _stream = "stdout"
 
-    def __enter__(self):
-        self._old_targets.append(sys.stdout)
-        sys.stdout = self._new_target
-        return self._new_target
 
-    def __exit__(self, exctype, excinst, exctb):
-        sys.stdout = self._old_targets.pop()
+class redirect_stderr(_RedirectStream):
+    """Context manager for temporarily redirecting stderr to another file."""
+
+    _stream = "stderr"
 
 
 class suppress:
diff --git a/Lib/copy.py b/Lib/copy.py
index bb8840e..3a45fdf 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -94,7 +94,7 @@ def copy(x):
     else:
         reductor = getattr(x, "__reduce_ex__", None)
         if reductor:
-            rv = reductor(2)
+            rv = reductor(4)
         else:
             reductor = getattr(x, "__reduce__", None)
             if reductor:
@@ -171,7 +171,7 @@ def deepcopy(x, memo=None, _nil=[]):
                 else:
                     reductor = getattr(x, "__reduce_ex__", None)
                     if reductor:
-                        rv = reductor(2)
+                        rv = reductor(4)
                     else:
                         reductor = getattr(x, "__reduce__", None)
                         if reductor:
@@ -221,17 +221,15 @@ def _deepcopy_list(x, memo):
 d[list] = _deepcopy_list
 
 def _deepcopy_tuple(x, memo):
-    y = []
-    for a in x:
-        y.append(deepcopy(a, memo))
+    y = [deepcopy(a, memo) for a in x]
     # We're not going to put the tuple in the memo, but it's still important we
     # check for it, in case the tuple contains recursive mutable structures.
     try:
         return memo[id(x)]
     except KeyError:
         pass
-    for i in range(len(x)):
-        if x[i] is not y[i]:
+    for k, j in zip(x, y):
+        if k is not j:
             y = tuple(y)
             break
     else:
diff --git a/Lib/csv.py b/Lib/csv.py
index a56eed8..ca40e5e 100644
--- a/Lib/csv.py
+++ b/Lib/csv.py
@@ -147,16 +147,13 @@ class DictWriter:
             if wrong_fields:
                 raise ValueError("dict contains fields not in fieldnames: "
                                  + ", ".join([repr(x) for x in wrong_fields]))
-        return [rowdict.get(key, self.restval) for key in self.fieldnames]
+        return (rowdict.get(key, self.restval) for key in self.fieldnames)
 
     def writerow(self, rowdict):
         return self.writer.writerow(self._dict_to_list(rowdict))
 
     def writerows(self, rowdicts):
-        rows = []
-        for rowdict in rowdicts:
-            rows.append(self._dict_to_list(rowdict))
-        return self.writer.writerows(rows)
+        return self.writer.writerows(map(self._dict_to_list, rowdicts))
 
 # Guard Sniffer's type checking against builds that exclude complex()
 try:
@@ -231,20 +228,21 @@ class Sniffer:
         quotes = {}
         delims = {}
         spaces = 0
+        groupindex = regexp.groupindex
         for m in matches:
-            n = regexp.groupindex['quote'] - 1
+            n = groupindex['quote'] - 1
             key = m[n]
             if key:
                 quotes[key] = quotes.get(key, 0) + 1
             try:
-                n = regexp.groupindex['delim'] - 1
+                n = groupindex['delim'] - 1
                 key = m[n]
             except KeyError:
                 continue
             if key and (delimiters is None or key in delimiters):
                 delims[key] = delims.get(key, 0) + 1
             try:
-                n = regexp.groupindex['space'] - 1
+                n = groupindex['space'] - 1
             except KeyError:
                 continue
             if m[n]:
diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
index 5c803ff..4cb6d0d 100644
--- a/Lib/ctypes/__init__.py
+++ b/Lib/ctypes/__init__.py
@@ -237,14 +237,8 @@ _check_size(c_char)
 
 class c_char_p(_SimpleCData):
     _type_ = "z"
-    if _os.name == "nt":
-        def __repr__(self):
-            if not windll.kernel32.IsBadStringPtrA(self, -1):
-                return "%s(%r)" % (self.__class__.__name__, self.value)
-            return "%s(%s)" % (self.__class__.__name__, cast(self, c_void_p).value)
-    else:
-        def __repr__(self):
-            return "%s(%s)" % (self.__class__.__name__, cast(self, c_void_p).value)
+    def __repr__(self):
+        return "%s(%s)" % (self.__class__.__name__, c_void_p.from_buffer(self).value)
 _check_size(c_char_p, "P")
 
 class c_void_p(_SimpleCData):
@@ -259,6 +253,8 @@ from _ctypes import POINTER, pointer, _pointer_type_cache
 
 class c_wchar_p(_SimpleCData):
     _type_ = "Z"
+    def __repr__(self):
+        return "%s(%s)" % (self.__class__.__name__, c_void_p.from_buffer(self).value)
 
 class c_wchar(_SimpleCData):
     _type_ = "u"
@@ -353,7 +349,7 @@ class CDLL(object):
             self._handle = handle
 
     def __repr__(self):
-        return "<%s '%s', handle %x at %x>" % \
+        return "<%s '%s', handle %x at %#x>" % \
                (self.__class__.__name__, self._name,
                 (self._handle & (_sys.maxsize*2 + 1)),
                 id(self) & (_sys.maxsize*2 + 1))
diff --git a/Lib/ctypes/_endian.py b/Lib/ctypes/_endian.py
index dae65fc..37444bd 100644
--- a/Lib/ctypes/_endian.py
+++ b/Lib/ctypes/_endian.py
@@ -45,6 +45,7 @@ if sys.byteorder == "little":
 
     class BigEndianStructure(Structure, metaclass=_swapped_meta):
         """Structure with big endian byte order"""
+        __slots__ = ()
         _swappedbytes_ = None
 
 elif sys.byteorder == "big":
@@ -53,6 +54,7 @@ elif sys.byteorder == "big":
     BigEndianStructure = Structure
     class LittleEndianStructure(Structure, metaclass=_swapped_meta):
         """Structure with little endian byte order"""
+        __slots__ = ()
         _swappedbytes_ = None
 
 else:
diff --git a/Lib/ctypes/test/test_byteswap.py b/Lib/ctypes/test/test_byteswap.py
index 427bb8b..01c97e8 100644
--- a/Lib/ctypes/test/test_byteswap.py
+++ b/Lib/ctypes/test/test_byteswap.py
@@ -22,6 +22,26 @@ class Test(unittest.TestCase):
             setattr(bits, "i%s" % i, 1)
             dump(bits)
 
+    def test_slots(self):
+        class BigPoint(BigEndianStructure):
+            __slots__ = ()
+            _fields_ = [("x", c_int), ("y", c_int)]
+
+        class LowPoint(LittleEndianStructure):
+            __slots__ = ()
+            _fields_ = [("x", c_int), ("y", c_int)]
+
+        big = BigPoint()
+        little = LowPoint()
+        big.x = 4
+        big.y = 2
+        little.x = 2
+        little.y = 4
+        with self.assertRaises(AttributeError):
+            big.z = 42
+        with self.assertRaises(AttributeError):
+            little.z = 24
+
     def test_endian_short(self):
         if sys.byteorder == "little":
             self.assertIs(c_short.__ctype_le__, c_short)
diff --git a/Lib/ctypes/test/test_loading.py b/Lib/ctypes/test/test_loading.py
index 4fb8964..28468c1 100644
--- a/Lib/ctypes/test/test_loading.py
+++ b/Lib/ctypes/test/test_loading.py
@@ -52,7 +52,9 @@ class LoaderTest(unittest.TestCase):
     @unittest.skipUnless(os.name in ("nt", "ce"),
                          'test specific to Windows (NT/CE)')
     def test_load_library(self):
-        self.assertIsNotNone(libc_name)
+        # CRT is no longer directly loadable. See issue23606 for the
+        # discussion about alternative approaches.
+        #self.assertIsNotNone(libc_name)
         if test.support.verbose:
             print(find_library("kernel32"))
             print(find_library("user32"))
diff --git a/Lib/ctypes/test/test_pointers.py b/Lib/ctypes/test/test_pointers.py
index e24a520..40738f7 100644
--- a/Lib/ctypes/test/test_pointers.py
+++ b/Lib/ctypes/test/test_pointers.py
@@ -22,7 +22,10 @@ class PointersTestCase(unittest.TestCase):
     def test_pass_pointers(self):
         dll = CDLL(_ctypes_test.__file__)
         func = dll._testfunc_p_p
-        func.restype = c_long
+        if sizeof(c_longlong) == sizeof(c_void_p):
+            func.restype = c_longlong
+        else:
+            func.restype = c_long
 
         i = c_int(12345678)
 ##        func.argtypes = (POINTER(c_int),)
diff --git a/Lib/ctypes/test/test_prototypes.py b/Lib/ctypes/test/test_prototypes.py
index 818c111..cd0c649 100644
--- a/Lib/ctypes/test/test_prototypes.py
+++ b/Lib/ctypes/test/test_prototypes.py
@@ -69,7 +69,10 @@ class CharPointersTestCase(unittest.TestCase):
 
     def test_int_pointer_arg(self):
         func = testdll._testfunc_p_p
-        func.restype = c_long
+        if sizeof(c_longlong) == sizeof(c_void_p):
+            func.restype = c_longlong
+        else:
+            func.restype = c_long
         self.assertEqual(0, func(0))
 
         ci = c_int(0)
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 595113b..9e74ccd 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -19,6 +19,8 @@ if os.name == "nt":
         i = i + len(prefix)
         s, rest = sys.version[i:].split(" ", 1)
         majorVersion = int(s[:-2]) - 6
+        if majorVersion >= 13:
+            majorVersion += 1
         minorVersion = int(s[2:3]) / 10.0
         # I don't think paths are affected by minor version in version 6
         if majorVersion == 6:
@@ -36,8 +38,12 @@ if os.name == "nt":
             return None
         if version <= 6:
             clibname = 'msvcrt'
-        else:
+        elif version <= 13:
             clibname = 'msvcr%d' % (version * 10)
+        else:
+            # CRT is no longer directly loadable. See issue23606 for the
+            # discussion about alternative approaches.
+            return None
 
         # If python was built with in debug mode
         import importlib.machinery
diff --git a/Lib/datetime.py b/Lib/datetime.py
index 34e5d38..db13b12 100644
--- a/Lib/datetime.py
+++ b/Lib/datetime.py
@@ -12,7 +12,7 @@ def _cmp(x, y):
 
 MINYEAR = 1
 MAXYEAR = 9999
-_MAXORDINAL = 3652059 # date.max.toordinal()
+_MAXORDINAL = 3652059  # date.max.toordinal()
 
 # Utility functions, adapted from Python's Demo/classes/Dates.py, which
 # also assumes the current Gregorian calendar indefinitely extended in
@@ -26,7 +26,7 @@ _MAXORDINAL = 3652059 # date.max.toordinal()
 # -1 is a placeholder for indexing purposes.
 _DAYS_IN_MONTH = [-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
 
-_DAYS_BEFORE_MONTH = [-1] # -1 is a placeholder for indexing purposes.
+_DAYS_BEFORE_MONTH = [-1]  # -1 is a placeholder for indexing purposes.
 dbm = 0
 for dim in _DAYS_IN_MONTH[1:]:
     _DAYS_BEFORE_MONTH.append(dbm)
@@ -162,9 +162,9 @@ def _format_time(hh, mm, ss, us):
 # Correctly substitute for %z and %Z escapes in strftime formats.
 def _wrap_strftime(object, format, timetuple):
     # Don't call utcoffset() or tzname() unless actually needed.
-    freplace = None # the string to use for %f
-    zreplace = None # the string to use for %z
-    Zreplace = None # the string to use for %Z
+    freplace = None  # the string to use for %f
+    zreplace = None  # the string to use for %z
+    Zreplace = None  # the string to use for %Z
 
     # Scan format for %z and %Z escapes, replacing as needed.
     newformat = []
@@ -217,11 +217,6 @@ def _wrap_strftime(object, format, timetuple):
     newformat = "".join(newformat)
     return _time.strftime(newformat, timetuple)
 
-def _call_tzinfo_method(tzinfo, methname, tzinfoarg):
-    if tzinfo is None:
-        return None
-    return getattr(tzinfo, methname)(tzinfoarg)
-
 # Just raise TypeError if the arg isn't None or a string.
 def _check_tzname(name):
     if name is not None and not isinstance(name, str):
@@ -245,13 +240,31 @@ def _check_utc_offset(name, offset):
         raise ValueError("tzinfo.%s() must return a whole number "
                          "of minutes, got %s" % (name, offset))
     if not -timedelta(1) < offset < timedelta(1):
-        raise ValueError("%s()=%s, must be must be strictly between"
-                         " -timedelta(hours=24) and timedelta(hours=24)"
-                         % (name, offset))
+        raise ValueError("%s()=%s, must be must be strictly between "
+                         "-timedelta(hours=24) and timedelta(hours=24)" %
+                         (name, offset))
+
+def _check_int_field(value):
+    if isinstance(value, int):
+        return value
+    if not isinstance(value, float):
+        try:
+            value = value.__int__()
+        except AttributeError:
+            pass
+        else:
+            if isinstance(value, int):
+                return value
+            raise TypeError('__int__ returned non-int (type %s)' %
+                            type(value).__name__)
+        raise TypeError('an integer is required (got type %s)' %
+                        type(value).__name__)
+    raise TypeError('integer argument expected, got float')
 
 def _check_date_fields(year, month, day):
-    if not isinstance(year, int):
-        raise TypeError('int expected')
+    year = _check_int_field(year)
+    month = _check_int_field(month)
+    day = _check_int_field(day)
     if not MINYEAR <= year <= MAXYEAR:
         raise ValueError('year must be in %d..%d' % (MINYEAR, MAXYEAR), year)
     if not 1 <= month <= 12:
@@ -259,10 +272,13 @@ def _check_date_fields(year, month, day):
     dim = _days_in_month(year, month)
     if not 1 <= day <= dim:
         raise ValueError('day must be in 1..%d' % dim, day)
+    return year, month, day
 
 def _check_time_fields(hour, minute, second, microsecond):
-    if not isinstance(hour, int):
-        raise TypeError('int expected')
+    hour = _check_int_field(hour)
+    minute = _check_int_field(minute)
+    second = _check_int_field(second)
+    microsecond = _check_int_field(microsecond)
     if not 0 <= hour <= 23:
         raise ValueError('hour must be in 0..23', hour)
     if not 0 <= minute <= 59:
@@ -271,6 +287,7 @@ def _check_time_fields(hour, minute, second, microsecond):
         raise ValueError('second must be in 0..59', second)
     if not 0 <= microsecond <= 999999:
         raise ValueError('microsecond must be in 0..999999', microsecond)
+    return hour, minute, second, microsecond
 
 def _check_tzinfo_arg(tz):
     if tz is not None and not isinstance(tz, tzinfo):
@@ -316,7 +333,7 @@ class timedelta:
     Representation: (days, seconds, microseconds).  Why?  Because I
     felt like it.
     """
-    __slots__ = '_days', '_seconds', '_microseconds'
+    __slots__ = '_days', '_seconds', '_microseconds', '_hashcode'
 
     def __new__(cls, days=0, seconds=0, microseconds=0,
                 milliseconds=0, minutes=0, hours=0, weeks=0):
@@ -382,38 +399,26 @@ class timedelta:
         # secondsfrac isn't referenced again
 
         if isinstance(microseconds, float):
-            microseconds += usdouble
-            microseconds = round(microseconds, 0)
-            seconds, microseconds = divmod(microseconds, 1e6)
-            assert microseconds == int(microseconds)
-            assert seconds == int(seconds)
-            days, seconds = divmod(seconds, 24.*3600.)
-            assert days == int(days)
-            assert seconds == int(seconds)
-            d += int(days)
-            s += int(seconds)   # can't overflow
-            assert isinstance(s, int)
-            assert abs(s) <= 3 * 24 * 3600
+            microseconds = round(microseconds + usdouble)
+            seconds, microseconds = divmod(microseconds, 1000000)
+            days, seconds = divmod(seconds, 24*3600)
+            d += days
+            s += seconds
         else:
+            microseconds = int(microseconds)
             seconds, microseconds = divmod(microseconds, 1000000)
             days, seconds = divmod(seconds, 24*3600)
             d += days
-            s += int(seconds)    # can't overflow
-            assert isinstance(s, int)
-            assert abs(s) <= 3 * 24 * 3600
-            microseconds = float(microseconds)
-            microseconds += usdouble
-            microseconds = round(microseconds, 0)
+            s += seconds
+            microseconds = round(microseconds + usdouble)
+        assert isinstance(s, int)
+        assert isinstance(microseconds, int)
         assert abs(s) <= 3 * 24 * 3600
         assert abs(microseconds) < 3.1e6
 
         # Just a little bit of carrying possible for microseconds and seconds.
-        assert isinstance(microseconds, float)
-        assert int(microseconds) == microseconds
-        us = int(microseconds)
-        seconds, us = divmod(us, 1000000)
-        s += seconds    # cant't overflow
-        assert isinstance(s, int)
+        seconds, us = divmod(microseconds, 1000000)
+        s += seconds
         days, s = divmod(s, 24*3600)
         d += days
 
@@ -421,27 +426,31 @@ class timedelta:
         assert isinstance(s, int) and 0 <= s < 24*3600
         assert isinstance(us, int) and 0 <= us < 1000000
 
-        self = object.__new__(cls)
+        if abs(d) > 999999999:
+            raise OverflowError("timedelta # of days is too large: %d" % d)
 
+        self = object.__new__(cls)
         self._days = d
         self._seconds = s
         self._microseconds = us
-        if abs(d) > 999999999:
-            raise OverflowError("timedelta # of days is too large: %d" % d)
-
+        self._hashcode = -1
         return self
 
     def __repr__(self):
         if self._microseconds:
-            return "%s(%d, %d, %d)" % ('datetime.' + self.__class__.__name__,
-                                       self._days,
-                                       self._seconds,
-                                       self._microseconds)
+            return "%s.%s(%d, %d, %d)" % (self.__class__.__module__,
+                                          self.__class__.__qualname__,
+                                          self._days,
+                                          self._seconds,
+                                          self._microseconds)
         if self._seconds:
-            return "%s(%d, %d)" % ('datetime.' + self.__class__.__name__,
-                                   self._days,
-                                   self._seconds)
-        return "%s(%d)" % ('datetime.' + self.__class__.__name__, self._days)
+            return "%s.%s(%d, %d)" % (self.__class__.__module__,
+                                      self.__class__.__qualname__,
+                                      self._days,
+                                      self._seconds)
+        return "%s.%s(%d)" % (self.__class__.__module__,
+                              self.__class__.__qualname__,
+                              self._days)
 
     def __str__(self):
         mm, ss = divmod(self._seconds, 60)
@@ -457,7 +466,7 @@ class timedelta:
 
     def total_seconds(self):
         """Total seconds in the duration."""
-        return ((self.days * 86400 + self.seconds)*10**6 +
+        return ((self.days * 86400 + self.seconds) * 10**6 +
                 self.microseconds) / 10**6
 
     # Read-only field accessors
@@ -578,12 +587,6 @@ class timedelta:
         else:
             return False
 
-    def __ne__(self, other):
-        if isinstance(other, timedelta):
-            return self._cmp(other) != 0
-        else:
-            return True
-
     def __le__(self, other):
         if isinstance(other, timedelta):
             return self._cmp(other) <= 0
@@ -613,7 +616,9 @@ class timedelta:
         return _cmp(self._getstate(), other._getstate())
 
     def __hash__(self):
-        return hash(self._getstate())
+        if self._hashcode == -1:
+            self._hashcode = hash(self._getstate())
+        return self._hashcode
 
     def __bool__(self):
         return (self._days != 0 or
@@ -661,7 +666,7 @@ class date:
     Properties (readonly):
     year, month, day
     """
-    __slots__ = '_year', '_month', '_day'
+    __slots__ = '_year', '_month', '_day', '_hashcode'
 
     def __new__(cls, year, month=None, day=None):
         """Constructor.
@@ -670,17 +675,19 @@ class date:
 
         year, month, day (required, base 1)
         """
-        if (isinstance(year, bytes) and len(year) == 4 and
-            1 <= year[2] <= 12 and month is None):  # Month is sane
+        if month is None and isinstance(year, bytes) and len(year) == 4 and \
+                1 <= year[2] <= 12:
             # Pickle support
             self = object.__new__(cls)
             self.__setstate(year)
+            self._hashcode = -1
             return self
-        _check_date_fields(year, month, day)
+        year, month, day = _check_date_fields(year, month, day)
         self = object.__new__(cls)
         self._year = year
         self._month = month
         self._day = day
+        self._hashcode = -1
         return self
 
     # Additional constructors
@@ -720,10 +727,11 @@ class date:
         >>> repr(dt)
         'datetime.datetime(2010, 1, 1, 0, 0, tzinfo=datetime.timezone.utc)'
         """
-        return "%s(%d, %d, %d)" % ('datetime.' + self.__class__.__name__,
-                                   self._year,
-                                   self._month,
-                                   self._day)
+        return "%s.%s(%d, %d, %d)" % (self.__class__.__module__,
+                                      self.__class__.__qualname__,
+                                      self._year,
+                                      self._month,
+                                      self._day)
     # XXX These shouldn't depend on time.localtime(), because that
     # clips the usable dates to [1970 .. 2038).  At least ctime() is
     # easily done without using strftime() -- that's better too because
@@ -743,6 +751,8 @@ class date:
         return _wrap_strftime(self, fmt, self.timetuple())
 
     def __format__(self, fmt):
+        if not isinstance(fmt, str):
+            raise TypeError("must be str, not %s" % type(fmt).__name__)
         if len(fmt) != 0:
             return self.strftime(fmt)
         return str(self)
@@ -800,7 +810,6 @@ class date:
             month = self._month
         if day is None:
             day = self._day
-        _check_date_fields(year, month, day)
         return date(year, month, day)
 
     # Comparisons of date objects with other.
@@ -810,11 +819,6 @@ class date:
             return self._cmp(other) == 0
         return NotImplemented
 
-    def __ne__(self, other):
-        if isinstance(other, date):
-            return self._cmp(other) != 0
-        return NotImplemented
-
     def __le__(self, other):
         if isinstance(other, date):
             return self._cmp(other) <= 0
@@ -843,7 +847,9 @@ class date:
 
     def __hash__(self):
         "Hash."
-        return hash(self._getstate())
+        if self._hashcode == -1:
+            self._hashcode = hash(self._getstate())
+        return self._hashcode
 
     # Computations
 
@@ -913,8 +919,6 @@ class date:
         return bytes([yhi, ylo, self._month, self._day]),
 
     def __setstate(self, string):
-        if len(string) != 4 or not (1 <= string[2] <= 12):
-            raise TypeError("not enough arguments")
         yhi, ylo, self._month, self._day = string
         self._year = yhi * 256 + ylo
 
@@ -933,6 +937,7 @@ class tzinfo:
     Subclasses must override the name(), utcoffset() and dst() methods.
     """
     __slots__ = ()
+
     def tzname(self, dt):
         "datetime -> string name of time zone."
         raise NotImplementedError("tzinfo subclass must override tzname()")
@@ -1019,6 +1024,7 @@ class time:
     Properties (readonly):
     hour, minute, second, microsecond, tzinfo
     """
+    __slots__ = '_hour', '_minute', '_second', '_microsecond', '_tzinfo', '_hashcode'
 
     def __new__(cls, hour=0, minute=0, second=0, microsecond=0, tzinfo=None):
         """Constructor.
@@ -1029,18 +1035,22 @@ class time:
         second, microsecond (default to zero)
         tzinfo (default to None)
         """
-        self = object.__new__(cls)
-        if isinstance(hour, bytes) and len(hour) == 6:
+        if isinstance(hour, bytes) and len(hour) == 6 and hour[0] < 24:
             # Pickle support
+            self = object.__new__(cls)
             self.__setstate(hour, minute or None)
+            self._hashcode = -1
             return self
+        hour, minute, second, microsecond = _check_time_fields(
+            hour, minute, second, microsecond)
         _check_tzinfo_arg(tzinfo)
-        _check_time_fields(hour, minute, second, microsecond)
+        self = object.__new__(cls)
         self._hour = hour
         self._minute = minute
         self._second = second
         self._microsecond = microsecond
         self._tzinfo = tzinfo
+        self._hashcode = -1
         return self
 
     # Read-only field accessors
@@ -1079,12 +1089,6 @@ class time:
         else:
             return False
 
-    def __ne__(self, other):
-        if isinstance(other, time):
-            return self._cmp(other, allow_mixed=True) != 0
-        else:
-            return True
-
     def __le__(self, other):
         if isinstance(other, time):
             return self._cmp(other) <= 0
@@ -1125,8 +1129,8 @@ class time:
         if base_compare:
             return _cmp((self._hour, self._minute, self._second,
                          self._microsecond),
-                       (other._hour, other._minute, other._second,
-                        other._microsecond))
+                        (other._hour, other._minute, other._second,
+                         other._microsecond))
         if myoff is None or otoff is None:
             if allow_mixed:
                 return 2 # arbitrary non-zero value
@@ -1139,16 +1143,20 @@ class time:
 
     def __hash__(self):
         """Hash."""
-        tzoff = self.utcoffset()
-        if not tzoff: # zero or None
-            return hash(self._getstate()[0])
-        h, m = divmod(timedelta(hours=self.hour, minutes=self.minute) - tzoff,
-                      timedelta(hours=1))
-        assert not m % timedelta(minutes=1), "whole minute"
-        m //= timedelta(minutes=1)
-        if 0 <= h < 24:
-            return hash(time(h, m, self.second, self.microsecond))
-        return hash((h, m, self.second, self.microsecond))
+        if self._hashcode == -1:
+            tzoff = self.utcoffset()
+            if not tzoff:  # zero or None
+                self._hashcode = hash(self._getstate()[0])
+            else:
+                h, m = divmod(timedelta(hours=self.hour, minutes=self.minute) - tzoff,
+                              timedelta(hours=1))
+                assert not m % timedelta(minutes=1), "whole minute"
+                m //= timedelta(minutes=1)
+                if 0 <= h < 24:
+                    self._hashcode = hash(time(h, m, self.second, self.microsecond))
+                else:
+                    self._hashcode = hash((h, m, self.second, self.microsecond))
+        return self._hashcode
 
     # Conversion to string
 
@@ -1176,8 +1184,9 @@ class time:
             s = ", %d" % self._second
         else:
             s = ""
-        s= "%s(%d, %d%s)" % ('datetime.' + self.__class__.__name__,
-                             self._hour, self._minute, s)
+        s= "%s.%s(%d, %d%s)" % (self.__class__.__module__,
+                                self.__class__.__qualname__,
+                                self._hour, self._minute, s)
         if self._tzinfo is not None:
             assert s[-1:] == ")"
             s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
@@ -1210,6 +1219,8 @@ class time:
         return _wrap_strftime(self, fmt, timetuple)
 
     def __format__(self, fmt):
+        if not isinstance(fmt, str):
+            raise TypeError("must be str, not %s" % type(fmt).__name__)
         if len(fmt) != 0:
             return self.strftime(fmt)
         return str(self)
@@ -1266,16 +1277,8 @@ class time:
             microsecond = self.microsecond
         if tzinfo is True:
             tzinfo = self.tzinfo
-        _check_time_fields(hour, minute, second, microsecond)
-        _check_tzinfo_arg(tzinfo)
         return time(hour, minute, second, microsecond, tzinfo)
 
-    def __bool__(self):
-        if self.second or self.microsecond:
-            return True
-        offset = self.utcoffset() or timedelta(0)
-        return timedelta(hours=self.hour, minutes=self.minute) != offset
-
     # Pickle support.
 
     def _getstate(self):
@@ -1289,15 +1292,11 @@ class time:
             return (basestate, self._tzinfo)
 
     def __setstate(self, string, tzinfo):
-        if len(string) != 6 or string[0] >= 24:
-            raise TypeError("an integer is required")
-        (self._hour, self._minute, self._second,
-         us1, us2, us3) = string
+        if tzinfo is not None and not isinstance(tzinfo, _tzinfo_class):
+            raise TypeError("bad tzinfo state arg")
+        self._hour, self._minute, self._second, us1, us2, us3 = string
         self._microsecond = (((us1 << 8) | us2) << 8) | us3
-        if tzinfo is None or isinstance(tzinfo, _tzinfo_class):
-            self._tzinfo = tzinfo
-        else:
-            raise TypeError("bad tzinfo state arg %r" % tzinfo)
+        self._tzinfo = tzinfo
 
     def __reduce__(self):
         return (time, self._getstate())
@@ -1314,25 +1313,30 @@ class datetime(date):
     The year, month and day arguments are required. tzinfo may be None, or an
     instance of a tzinfo subclass. The remaining arguments may be ints.
     """
+    __slots__ = date.__slots__ + time.__slots__
 
-    __slots__ = date.__slots__ + (
-        '_hour', '_minute', '_second',
-        '_microsecond', '_tzinfo')
     def __new__(cls, year, month=None, day=None, hour=0, minute=0, second=0,
                 microsecond=0, tzinfo=None):
-        if isinstance(year, bytes) and len(year) == 10:
+        if isinstance(year, bytes) and len(year) == 10 and 1 <= year[2] <= 12:
             # Pickle support
-            self = date.__new__(cls, year[:4])
+            self = object.__new__(cls)
             self.__setstate(year, month)
+            self._hashcode = -1
             return self
+        year, month, day = _check_date_fields(year, month, day)
+        hour, minute, second, microsecond = _check_time_fields(
+            hour, minute, second, microsecond)
         _check_tzinfo_arg(tzinfo)
-        _check_time_fields(hour, minute, second, microsecond)
-        self = date.__new__(cls, year, month, day)
+        self = object.__new__(cls)
+        self._year = year
+        self._month = month
+        self._day = day
         self._hour = hour
         self._minute = minute
         self._second = second
         self._microsecond = microsecond
         self._tzinfo = tzinfo
+        self._hashcode = -1
         return self
 
     # Read-only field accessors
@@ -1367,7 +1371,6 @@ class datetime(date):
 
         A timezone info object may be passed in as well.
         """
-
         _check_tzinfo_arg(tz)
 
         converter = _time.localtime if tz is None else _time.gmtime
@@ -1391,7 +1394,7 @@ class datetime(date):
 
     @classmethod
     def utcfromtimestamp(cls, t):
-        "Construct a UTC datetime from a POSIX timestamp (like time.time())."
+        """Construct a naive UTC datetime from a POSIX timestamp."""
         t, frac = divmod(t, 1.0)
         us = int(frac * 1e6)
 
@@ -1406,11 +1409,6 @@ class datetime(date):
         ss = min(ss, 59)    # clamp out leap seconds if the platform has them
         return cls(y, m, d, hh, mm, ss, us)
 
-    # XXX This is supposed to do better than we *can* do by using time.time(),
-    # XXX if the platform supports a more accurate way.  The C implementation
-    # XXX uses gettimeofday on platforms that have it, but that isn't
-    # XXX available from Python.  So now() may return different results
-    # XXX across the implementations.
     @classmethod
     def now(cls, tz=None):
         "Construct a datetime from time.time() and optional time zone info."
@@ -1497,11 +1495,8 @@ class datetime(date):
             microsecond = self.microsecond
         if tzinfo is True:
             tzinfo = self.tzinfo
-        _check_date_fields(year, month, day)
-        _check_time_fields(hour, minute, second, microsecond)
-        _check_tzinfo_arg(tzinfo)
-        return datetime(year, month, day, hour, minute, second,
-                          microsecond, tzinfo)
+        return datetime(year, month, day, hour, minute, second, microsecond,
+                        tzinfo)
 
     def astimezone(self, tz=None):
         if tz is None:
@@ -1571,10 +1566,9 @@ class datetime(date):
         Optional argument sep specifies the separator between date and
         time, default 'T'.
         """
-        s = ("%04d-%02d-%02d%c" % (self._year, self._month, self._day,
-                                  sep) +
-                _format_time(self._hour, self._minute, self._second,
-                             self._microsecond))
+        s = ("%04d-%02d-%02d%c" % (self._year, self._month, self._day, sep) +
+             _format_time(self._hour, self._minute, self._second,
+                          self._microsecond))
         off = self.utcoffset()
         if off is not None:
             if off.days < 0:
@@ -1590,14 +1584,15 @@ class datetime(date):
 
     def __repr__(self):
         """Convert to formal string, for repr()."""
-        L = [self._year, self._month, self._day, # These are never zero
+        L = [self._year, self._month, self._day,  # These are never zero
              self._hour, self._minute, self._second, self._microsecond]
         if L[-1] == 0:
             del L[-1]
         if L[-1] == 0:
             del L[-1]
-        s = ", ".join(map(str, L))
-        s = "%s(%s)" % ('datetime.' + self.__class__.__name__, s)
+        s = "%s.%s(%s)" % (self.__class__.__module__,
+                           self.__class__.__qualname__,
+                           ", ".join(map(str, L)))
         if self._tzinfo is not None:
             assert s[-1:] == ")"
             s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
@@ -1629,7 +1624,9 @@ class datetime(date):
         it mean anything in particular. For example, "GMT", "UTC", "-500",
         "-5:00", "EDT", "US/Eastern", "America/New York" are all valid replies.
         """
-        name = _call_tzinfo_method(self._tzinfo, "tzname", self)
+        if self._tzinfo is None:
+            return None
+        name = self._tzinfo.tzname(self)
         _check_tzname(name)
         return name
 
@@ -1658,14 +1655,6 @@ class datetime(date):
         else:
             return False
 
-    def __ne__(self, other):
-        if isinstance(other, datetime):
-            return self._cmp(other, allow_mixed=True) != 0
-        elif not isinstance(other, date):
-            return NotImplemented
-        else:
-            return True
-
     def __le__(self, other):
         if isinstance(other, datetime):
             return self._cmp(other) <= 0
@@ -1715,9 +1704,9 @@ class datetime(date):
             return _cmp((self._year, self._month, self._day,
                          self._hour, self._minute, self._second,
                          self._microsecond),
-                       (other._year, other._month, other._day,
-                        other._hour, other._minute, other._second,
-                        other._microsecond))
+                        (other._year, other._month, other._day,
+                         other._hour, other._minute, other._second,
+                         other._microsecond))
         if myoff is None or otoff is None:
             if allow_mixed:
                 return 2 # arbitrary non-zero value
@@ -1775,12 +1764,15 @@ class datetime(date):
         return base + otoff - myoff
 
     def __hash__(self):
-        tzoff = self.utcoffset()
-        if tzoff is None:
-            return hash(self._getstate()[0])
-        days = _ymd2ord(self.year, self.month, self.day)
-        seconds = self.hour * 3600 + self.minute * 60 + self.second
-        return hash(timedelta(days, seconds, self.microsecond) - tzoff)
+        if self._hashcode == -1:
+            tzoff = self.utcoffset()
+            if tzoff is None:
+                self._hashcode = hash(self._getstate()[0])
+            else:
+                days = _ymd2ord(self.year, self.month, self.day)
+                seconds = self.hour * 3600 + self.minute * 60 + self.second
+                self._hashcode = hash(timedelta(days, seconds, self.microsecond) - tzoff)
+        return self._hashcode
 
     # Pickle support.
 
@@ -1797,14 +1789,13 @@ class datetime(date):
             return (basestate, self._tzinfo)
 
     def __setstate(self, string, tzinfo):
+        if tzinfo is not None and not isinstance(tzinfo, _tzinfo_class):
+            raise TypeError("bad tzinfo state arg")
         (yhi, ylo, self._month, self._day, self._hour,
          self._minute, self._second, us1, us2, us3) = string
         self._year = yhi * 256 + ylo
         self._microsecond = (((us1 << 8) | us2) << 8) | us3
-        if tzinfo is None or isinstance(tzinfo, _tzinfo_class):
-            self._tzinfo = tzinfo
-        else:
-            raise TypeError("bad tzinfo state arg %r" % tzinfo)
+        self._tzinfo = tzinfo
 
     def __reduce__(self):
         return (self.__class__, self._getstate())
@@ -1820,7 +1811,7 @@ def _isoweek1monday(year):
     # XXX This could be done more efficiently
     THURSDAY = 3
     firstday = _ymd2ord(year, 1, 1)
-    firstweekday = (firstday + 6) % 7 # See weekday() above
+    firstweekday = (firstday + 6) % 7  # See weekday() above
     week1monday = firstday - firstweekday
     if firstweekday > THURSDAY:
         week1monday += 7
@@ -1841,13 +1832,12 @@ class timezone(tzinfo):
         elif not isinstance(name, str):
             raise TypeError("name must be a string")
         if not cls._minoffset <= offset <= cls._maxoffset:
-            raise ValueError("offset must be a timedelta"
-                             " strictly between -timedelta(hours=24) and"
-                             " timedelta(hours=24).")
-        if (offset.microseconds != 0 or
-            offset.seconds % 60 != 0):
-            raise ValueError("offset must be a timedelta"
-                             " representing a whole number of minutes")
+            raise ValueError("offset must be a timedelta "
+                             "strictly between -timedelta(hours=24) and "
+                             "timedelta(hours=24).")
+        if (offset.microseconds != 0 or offset.seconds % 60 != 0):
+            raise ValueError("offset must be a timedelta "
+                             "representing a whole number of minutes")
         return cls._create(offset, name)
 
     @classmethod
@@ -1884,10 +1874,12 @@ class timezone(tzinfo):
         if self is self.utc:
             return 'datetime.timezone.utc'
         if self._name is None:
-            return "%s(%r)" % ('datetime.' + self.__class__.__name__,
-                               self._offset)
-        return "%s(%r, %r)" % ('datetime.' + self.__class__.__name__,
-                               self._offset, self._name)
+            return "%s.%s(%r)" % (self.__class__.__module__,
+                                  self.__class__.__qualname__,
+                                  self._offset)
+        return "%s.%s(%r, %r)" % (self.__class__.__module__,
+                                  self.__class__.__qualname__,
+                                  self._offset, self._name)
 
     def __str__(self):
         return self.tzname(None)
@@ -2142,14 +2134,13 @@ except ImportError:
     pass
 else:
     # Clean up unused names
-    del (_DAYNAMES, _DAYS_BEFORE_MONTH, _DAYS_IN_MONTH,
-         _DI100Y, _DI400Y, _DI4Y, _MAXORDINAL, _MONTHNAMES,
-         _build_struct_time, _call_tzinfo_method, _check_date_fields,
-         _check_time_fields, _check_tzinfo_arg, _check_tzname,
-         _check_utc_offset, _cmp, _cmperror, _date_class, _days_before_month,
-         _days_before_year, _days_in_month, _format_time, _is_leap,
-         _isoweek1monday, _math, _ord2ymd, _time, _time_class, _tzinfo_class,
-         _wrap_strftime, _ymd2ord)
+    del (_DAYNAMES, _DAYS_BEFORE_MONTH, _DAYS_IN_MONTH, _DI100Y, _DI400Y,
+         _DI4Y, _EPOCH, _MAXORDINAL, _MONTHNAMES, _build_struct_time,
+         _check_date_fields, _check_int_field, _check_time_fields,
+         _check_tzinfo_arg, _check_tzname, _check_utc_offset, _cmp, _cmperror,
+         _date_class, _days_before_month, _days_before_year, _days_in_month,
+         _format_time, _is_leap, _isoweek1monday, _math, _ord2ymd,
+         _time, _time_class, _tzinfo_class, _wrap_strftime, _ymd2ord)
     # XXX Since import * above excludes names that start with _,
     # docstring does not get overwritten. In the future, it may be
     # appropriate to maintain a single module level docstring and
diff --git a/Lib/dbm/__init__.py b/Lib/dbm/__init__.py
index 5f4664a..6831a84 100644
--- a/Lib/dbm/__init__.py
+++ b/Lib/dbm/__init__.py
@@ -153,9 +153,9 @@ def whichdb(filename):
     except OSError:
         return None
 
-    # Read the start of the file -- the magic number
-    s16 = f.read(16)
-    f.close()
+    with f:
+        # Read the start of the file -- the magic number
+        s16 = f.read(16)
     s = s16[0:4]
 
     # Return "" if not at least 4 bytes
diff --git a/Lib/dbm/dumb.py b/Lib/dbm/dumb.py
index 63bc329..7777a7c 100644
--- a/Lib/dbm/dumb.py
+++ b/Lib/dbm/dumb.py
@@ -45,7 +45,7 @@ class _Database(collections.MutableMapping):
     _os = _os       # for _commit()
     _io = _io       # for _commit()
 
-    def __init__(self, filebasename, mode):
+    def __init__(self, filebasename, mode, flag='c'):
         self._mode = mode
 
         # The directory file is a text file.  Each line looks like
@@ -65,6 +65,17 @@ class _Database(collections.MutableMapping):
         # The index is an in-memory dict, mirroring the directory file.
         self._index = None  # maps keys to (pos, siz) pairs
 
+        # Handle the creation
+        self._create(flag)
+        self._update()
+
+    def _create(self, flag):
+        if flag == 'n':
+            for filename in (self._datfile, self._bakfile, self._dirfile):
+                try:
+                    _os.remove(filename)
+                except OSError:
+                    pass
         # Mod by Jack: create data file if needed
         try:
             f = _io.open(self._datfile, 'r', encoding="Latin-1")
@@ -73,7 +84,6 @@ class _Database(collections.MutableMapping):
                 self._chmod(self._datfile)
         else:
             f.close()
-        self._update()
 
     # Read directory file into the in-memory index dict.
     def _update(self):
@@ -266,20 +276,20 @@ class _Database(collections.MutableMapping):
         self.close()
 
 
-def open(file, flag=None, mode=0o666):
+def open(file, flag='c', mode=0o666):
     """Open the database file, filename, and return corresponding object.
 
     The flag argument, used to control how the database is opened in the
-    other DBM implementations, is ignored in the dbm.dumb module; the
-    database is always opened for update, and will be created if it does
-    not exist.
+    other DBM implementations, supports only the semantics of 'c' and 'n'
+    values.  Other values will default to the semantics of 'c' value:
+    the database will always opened for update and will be created if it
+    does not exist.
 
     The optional mode argument is the UNIX mode of the file, used only when
     the database has to be created.  It defaults to octal code 0o666 (and
     will be modified by the prevailing umask).
 
     """
-    # flag argument is currently ignored
 
     # Modify mode depending on the umask
     try:
@@ -290,5 +300,4 @@ def open(file, flag=None, mode=0o666):
     else:
         # Turn off any bits that are set in the umask
         mode = mode & (~um)
-
-    return _Database(file, mode)
+    return _Database(file, mode, flag=flag)
diff --git a/Lib/decimal.py b/Lib/decimal.py
index 324e4f9..7746ea2 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -1,6413 +1,11 @@
-# Copyright (c) 2004 Python Software Foundation.
-# All rights reserved.
-
-# Written by Eric Price <eprice at tjhsst.edu>
-#    and Facundo Batista <facundo at taniquetil.com.ar>
-#    and Raymond Hettinger <python at rcn.com>
-#    and Aahz <aahz at pobox.com>
-#    and Tim Peters
-
-# This module should be kept in sync with the latest updates of the
-# IBM specification as it evolves.  Those updates will be treated
-# as bug fixes (deviation from the spec is a compatibility, usability
-# bug) and will be backported.  At this point the spec is stabilizing
-# and the updates are becoming fewer, smaller, and less significant.
-
-"""
-This is an implementation of decimal floating point arithmetic based on
-the General Decimal Arithmetic Specification:
-
-    http://speleotrove.com/decimal/decarith.html
-
-and IEEE standard 854-1987:
-
-    http://en.wikipedia.org/wiki/IEEE_854-1987
-
-Decimal floating point has finite precision with arbitrarily large bounds.
-
-The purpose of this module is to support arithmetic using familiar
-"schoolhouse" rules and to avoid some of the tricky representation
-issues associated with binary floating point.  The package is especially
-useful for financial applications or for contexts where users have
-expectations that are at odds with binary floating point (for instance,
-in binary floating point, 1.00 % 0.1 gives 0.09999999999999995 instead
-of 0.0; Decimal('1.00') % Decimal('0.1') returns the expected
-Decimal('0.00')).
-
-Here are some examples of using the decimal module:
-
->>> from decimal import *
->>> setcontext(ExtendedContext)
->>> Decimal(0)
-Decimal('0')
->>> Decimal('1')
-Decimal('1')
->>> Decimal('-.0123')
-Decimal('-0.0123')
->>> Decimal(123456)
-Decimal('123456')
->>> Decimal('123.45e12345678')
-Decimal('1.2345E+12345680')
->>> Decimal('1.33') + Decimal('1.27')
-Decimal('2.60')
->>> Decimal('12.34') + Decimal('3.87') - Decimal('18.41')
-Decimal('-2.20')
->>> dig = Decimal(1)
->>> print(dig / Decimal(3))
-0.333333333
->>> getcontext().prec = 18
->>> print(dig / Decimal(3))
-0.333333333333333333
->>> print(dig.sqrt())
-1
->>> print(Decimal(3).sqrt())
-1.73205080756887729
->>> print(Decimal(3) ** 123)
-4.85192780976896427E+58
->>> inf = Decimal(1) / Decimal(0)
->>> print(inf)
-Infinity
->>> neginf = Decimal(-1) / Decimal(0)
->>> print(neginf)
--Infinity
->>> print(neginf + inf)
-NaN
->>> print(neginf * inf)
--Infinity
->>> print(dig / 0)
-Infinity
->>> getcontext().traps[DivisionByZero] = 1
->>> print(dig / 0)
-Traceback (most recent call last):
-  ...
-  ...
-  ...
-decimal.DivisionByZero: x / 0
->>> c = Context()
->>> c.traps[InvalidOperation] = 0
->>> print(c.flags[InvalidOperation])
-0
->>> c.divide(Decimal(0), Decimal(0))
-Decimal('NaN')
->>> c.traps[InvalidOperation] = 1
->>> print(c.flags[InvalidOperation])
-1
->>> c.flags[InvalidOperation] = 0
->>> print(c.flags[InvalidOperation])
-0
->>> print(c.divide(Decimal(0), Decimal(0)))
-Traceback (most recent call last):
-  ...
-  ...
-  ...
-decimal.InvalidOperation: 0 / 0
->>> print(c.flags[InvalidOperation])
-1
->>> c.flags[InvalidOperation] = 0
->>> c.traps[InvalidOperation] = 0
->>> print(c.divide(Decimal(0), Decimal(0)))
-NaN
->>> print(c.flags[InvalidOperation])
-1
->>>
-"""
-
-__all__ = [
-    # Two major classes
-    'Decimal', 'Context',
-
-    # Named tuple representation
-    'DecimalTuple',
-
-    # Contexts
-    'DefaultContext', 'BasicContext', 'ExtendedContext',
-
-    # Exceptions
-    'DecimalException', 'Clamped', 'InvalidOperation', 'DivisionByZero',
-    'Inexact', 'Rounded', 'Subnormal', 'Overflow', 'Underflow',
-    'FloatOperation',
-
-    # Exceptional conditions that trigger InvalidOperation
-    'DivisionImpossible', 'InvalidContext', 'ConversionSyntax', 'DivisionUndefined',
-
-    # Constants for use in setting up contexts
-    'ROUND_DOWN', 'ROUND_HALF_UP', 'ROUND_HALF_EVEN', 'ROUND_CEILING',
-    'ROUND_FLOOR', 'ROUND_UP', 'ROUND_HALF_DOWN', 'ROUND_05UP',
-
-    # Functions for manipulating contexts
-    'setcontext', 'getcontext', 'localcontext',
-
-    # Limits for the C version for compatibility
-    'MAX_PREC',  'MAX_EMAX', 'MIN_EMIN', 'MIN_ETINY',
-
-    # C version: compile time choice that enables the thread local context
-    'HAVE_THREADS'
-]
-
-__version__ = '1.70'    # Highest version of the spec this complies with
-                        # See http://speleotrove.com/decimal/
-__libmpdec_version__ = "2.4.1" # compatible libmpdec version
-
-import math as _math
-import numbers as _numbers
-import sys
-
-try:
-    from collections import namedtuple as _namedtuple
-    DecimalTuple = _namedtuple('DecimalTuple', 'sign digits exponent')
-except ImportError:
-    DecimalTuple = lambda *args: args
-
-# Rounding
-ROUND_DOWN = 'ROUND_DOWN'
-ROUND_HALF_UP = 'ROUND_HALF_UP'
-ROUND_HALF_EVEN = 'ROUND_HALF_EVEN'
-ROUND_CEILING = 'ROUND_CEILING'
-ROUND_FLOOR = 'ROUND_FLOOR'
-ROUND_UP = 'ROUND_UP'
-ROUND_HALF_DOWN = 'ROUND_HALF_DOWN'
-ROUND_05UP = 'ROUND_05UP'
-
-# Compatibility with the C version
-HAVE_THREADS = True
-if sys.maxsize == 2**63-1:
-    MAX_PREC = 999999999999999999
-    MAX_EMAX = 999999999999999999
-    MIN_EMIN = -999999999999999999
-else:
-    MAX_PREC = 425000000
-    MAX_EMAX = 425000000
-    MIN_EMIN = -425000000
-
-MIN_ETINY = MIN_EMIN - (MAX_PREC-1)
-
-# Errors
-
-class DecimalException(ArithmeticError):
-    """Base exception class.
-
-    Used exceptions derive from this.
-    If an exception derives from another exception besides this (such as
-    Underflow (Inexact, Rounded, Subnormal) that indicates that it is only
-    called if the others are present.  This isn't actually used for
-    anything, though.
-
-    handle  -- Called when context._raise_error is called and the
-               trap_enabler is not set.  First argument is self, second is the
-               context.  More arguments can be given, those being after
-               the explanation in _raise_error (For example,
-               context._raise_error(NewError, '(-x)!', self._sign) would
-               call NewError().handle(context, self._sign).)
-
-    To define a new exception, it should be sufficient to have it derive
-    from DecimalException.
-    """
-    def handle(self, context, *args):
-        pass
-
-
-class Clamped(DecimalException):
-    """Exponent of a 0 changed to fit bounds.
-
-    This occurs and signals clamped if the exponent of a result has been
-    altered in order to fit the constraints of a specific concrete
-    representation.  This may occur when the exponent of a zero result would
-    be outside the bounds of a representation, or when a large normal
-    number would have an encoded exponent that cannot be represented.  In
-    this latter case, the exponent is reduced to fit and the corresponding
-    number of zero digits are appended to the coefficient ("fold-down").
-    """
-
-class InvalidOperation(DecimalException):
-    """An invalid operation was performed.
-
-    Various bad things cause this:
-
-    Something creates a signaling NaN
-    -INF + INF
-    0 * (+-)INF
-    (+-)INF / (+-)INF
-    x % 0
-    (+-)INF % x
-    x._rescale( non-integer )
-    sqrt(-x) , x > 0
-    0 ** 0
-    x ** (non-integer)
-    x ** (+-)INF
-    An operand is invalid
-
-    The result of the operation after these is a quiet positive NaN,
-    except when the cause is a signaling NaN, in which case the result is
-    also a quiet NaN, but with the original sign, and an optional
-    diagnostic information.
-    """
-    def handle(self, context, *args):
-        if args:
-            ans = _dec_from_triple(args[0]._sign, args[0]._int, 'n', True)
-            return ans._fix_nan(context)
-        return _NaN
-
-class ConversionSyntax(InvalidOperation):
-    """Trying to convert badly formed string.
-
-    This occurs and signals invalid-operation if an string is being
-    converted to a number and it does not conform to the numeric string
-    syntax.  The result is [0,qNaN].
-    """
-    def handle(self, context, *args):
-        return _NaN
-
-class DivisionByZero(DecimalException, ZeroDivisionError):
-    """Division by 0.
-
-    This occurs and signals division-by-zero if division of a finite number
-    by zero was attempted (during a divide-integer or divide operation, or a
-    power operation with negative right-hand operand), and the dividend was
-    not zero.
-
-    The result of the operation is [sign,inf], where sign is the exclusive
-    or of the signs of the operands for divide, or is 1 for an odd power of
-    -0, for power.
-    """
-
-    def handle(self, context, sign, *args):
-        return _SignedInfinity[sign]
-
-class DivisionImpossible(InvalidOperation):
-    """Cannot perform the division adequately.
-
-    This occurs and signals invalid-operation if the integer result of a
-    divide-integer or remainder operation had too many digits (would be
-    longer than precision).  The result is [0,qNaN].
-    """
-
-    def handle(self, context, *args):
-        return _NaN
-
-class DivisionUndefined(InvalidOperation, ZeroDivisionError):
-    """Undefined result of division.
-
-    This occurs and signals invalid-operation if division by zero was
-    attempted (during a divide-integer, divide, or remainder operation), and
-    the dividend is also zero.  The result is [0,qNaN].
-    """
-
-    def handle(self, context, *args):
-        return _NaN
-
-class Inexact(DecimalException):
-    """Had to round, losing information.
-
-    This occurs and signals inexact whenever the result of an operation is
-    not exact (that is, it needed to be rounded and any discarded digits
-    were non-zero), or if an overflow or underflow condition occurs.  The
-    result in all cases is unchanged.
-
-    The inexact signal may be tested (or trapped) to determine if a given
-    operation (or sequence of operations) was inexact.
-    """
-
-class InvalidContext(InvalidOperation):
-    """Invalid context.  Unknown rounding, for example.
-
-    This occurs and signals invalid-operation if an invalid context was
-    detected during an operation.  This can occur if contexts are not checked
-    on creation and either the precision exceeds the capability of the
-    underlying concrete representation or an unknown or unsupported rounding
-    was specified.  These aspects of the context need only be checked when
-    the values are required to be used.  The result is [0,qNaN].
-    """
-
-    def handle(self, context, *args):
-        return _NaN
-
-class Rounded(DecimalException):
-    """Number got rounded (not  necessarily changed during rounding).
-
-    This occurs and signals rounded whenever the result of an operation is
-    rounded (that is, some zero or non-zero digits were discarded from the
-    coefficient), or if an overflow or underflow condition occurs.  The
-    result in all cases is unchanged.
-
-    The rounded signal may be tested (or trapped) to determine if a given
-    operation (or sequence of operations) caused a loss of precision.
-    """
-
-class Subnormal(DecimalException):
-    """Exponent < Emin before rounding.
-
-    This occurs and signals subnormal whenever the result of a conversion or
-    operation is subnormal (that is, its adjusted exponent is less than
-    Emin, before any rounding).  The result in all cases is unchanged.
-
-    The subnormal signal may be tested (or trapped) to determine if a given
-    or operation (or sequence of operations) yielded a subnormal result.
-    """
-
-class Overflow(Inexact, Rounded):
-    """Numerical overflow.
-
-    This occurs and signals overflow if the adjusted exponent of a result
-    (from a conversion or from an operation that is not an attempt to divide
-    by zero), after rounding, would be greater than the largest value that
-    can be handled by the implementation (the value Emax).
-
-    The result depends on the rounding mode:
-
-    For round-half-up and round-half-even (and for round-half-down and
-    round-up, if implemented), the result of the operation is [sign,inf],
-    where sign is the sign of the intermediate result.  For round-down, the
-    result is the largest finite number that can be represented in the
-    current precision, with the sign of the intermediate result.  For
-    round-ceiling, the result is the same as for round-down if the sign of
-    the intermediate result is 1, or is [0,inf] otherwise.  For round-floor,
-    the result is the same as for round-down if the sign of the intermediate
-    result is 0, or is [1,inf] otherwise.  In all cases, Inexact and Rounded
-    will also be raised.
-    """
-
-    def handle(self, context, sign, *args):
-        if context.rounding in (ROUND_HALF_UP, ROUND_HALF_EVEN,
-                                ROUND_HALF_DOWN, ROUND_UP):
-            return _SignedInfinity[sign]
-        if sign == 0:
-            if context.rounding == ROUND_CEILING:
-                return _SignedInfinity[sign]
-            return _dec_from_triple(sign, '9'*context.prec,
-                            context.Emax-context.prec+1)
-        if sign == 1:
-            if context.rounding == ROUND_FLOOR:
-                return _SignedInfinity[sign]
-            return _dec_from_triple(sign, '9'*context.prec,
-                             context.Emax-context.prec+1)
-
-
-class Underflow(Inexact, Rounded, Subnormal):
-    """Numerical underflow with result rounded to 0.
-
-    This occurs and signals underflow if a result is inexact and the
-    adjusted exponent of the result would be smaller (more negative) than
-    the smallest value that can be handled by the implementation (the value
-    Emin).  That is, the result is both inexact and subnormal.
-
-    The result after an underflow will be a subnormal number rounded, if
-    necessary, so that its exponent is not less than Etiny.  This may result
-    in 0 with the sign of the intermediate result and an exponent of Etiny.
-
-    In all cases, Inexact, Rounded, and Subnormal will also be raised.
-    """
-
-class FloatOperation(DecimalException, TypeError):
-    """Enable stricter semantics for mixing floats and Decimals.
-
-    If the signal is not trapped (default), mixing floats and Decimals is
-    permitted in the Decimal() constructor, context.create_decimal() and
-    all comparison operators. Both conversion and comparisons are exact.
-    Any occurrence of a mixed operation is silently recorded by setting
-    FloatOperation in the context flags.  Explicit conversions with
-    Decimal.from_float() or context.create_decimal_from_float() do not
-    set the flag.
-
-    Otherwise (the signal is trapped), only equality comparisons and explicit
-    conversions are silent. All other mixed operations raise FloatOperation.
-    """
-
-# List of public traps and flags
-_signals = [Clamped, DivisionByZero, Inexact, Overflow, Rounded,
-            Underflow, InvalidOperation, Subnormal, FloatOperation]
-
-# Map conditions (per the spec) to signals
-_condition_map = {ConversionSyntax:InvalidOperation,
-                  DivisionImpossible:InvalidOperation,
-                  DivisionUndefined:InvalidOperation,
-                  InvalidContext:InvalidOperation}
-
-# Valid rounding modes
-_rounding_modes = (ROUND_DOWN, ROUND_HALF_UP, ROUND_HALF_EVEN, ROUND_CEILING,
-                   ROUND_FLOOR, ROUND_UP, ROUND_HALF_DOWN, ROUND_05UP)
-
-##### Context Functions ##################################################
-
-# The getcontext() and setcontext() function manage access to a thread-local
-# current context.  Py2.4 offers direct support for thread locals.  If that
-# is not available, use threading.current_thread() which is slower but will
-# work for older Pythons.  If threads are not part of the build, create a
-# mock threading object with threading.local() returning the module namespace.
-
-try:
-    import threading
-except ImportError:
-    # Python was compiled without threads; create a mock object instead
-    class MockThreading(object):
-        def local(self, sys=sys):
-            return sys.modules[__name__]
-    threading = MockThreading()
-    del MockThreading
-
-try:
-    threading.local
-
-except AttributeError:
-
-    # To fix reloading, force it to create a new context
-    # Old contexts have different exceptions in their dicts, making problems.
-    if hasattr(threading.current_thread(), '__decimal_context__'):
-        del threading.current_thread().__decimal_context__
-
-    def setcontext(context):
-        """Set this thread's context to context."""
-        if context in (DefaultContext, BasicContext, ExtendedContext):
-            context = context.copy()
-            context.clear_flags()
-        threading.current_thread().__decimal_context__ = context
-
-    def getcontext():
-        """Returns this thread's context.
-
-        If this thread does not yet have a context, returns
-        a new context and sets this thread's context.
-        New contexts are copies of DefaultContext.
-        """
-        try:
-            return threading.current_thread().__decimal_context__
-        except AttributeError:
-            context = Context()
-            threading.current_thread().__decimal_context__ = context
-            return context
-
-else:
-
-    local = threading.local()
-    if hasattr(local, '__decimal_context__'):
-        del local.__decimal_context__
-
-    def getcontext(_local=local):
-        """Returns this thread's context.
-
-        If this thread does not yet have a context, returns
-        a new context and sets this thread's context.
-        New contexts are copies of DefaultContext.
-        """
-        try:
-            return _local.__decimal_context__
-        except AttributeError:
-            context = Context()
-            _local.__decimal_context__ = context
-            return context
-
-    def setcontext(context, _local=local):
-        """Set this thread's context to context."""
-        if context in (DefaultContext, BasicContext, ExtendedContext):
-            context = context.copy()
-            context.clear_flags()
-        _local.__decimal_context__ = context
-
-    del threading, local        # Don't contaminate the namespace
-
-def localcontext(ctx=None):
-    """Return a context manager for a copy of the supplied context
-
-    Uses a copy of the current context if no context is specified
-    The returned context manager creates a local decimal context
-    in a with statement:
-        def sin(x):
-             with localcontext() as ctx:
-                 ctx.prec += 2
-                 # Rest of sin calculation algorithm
-                 # uses a precision 2 greater than normal
-             return +s  # Convert result to normal precision
-
-         def sin(x):
-             with localcontext(ExtendedContext):
-                 # Rest of sin calculation algorithm
-                 # uses the Extended Context from the
-                 # General Decimal Arithmetic Specification
-             return +s  # Convert result to normal context
-
-    >>> setcontext(DefaultContext)
-    >>> print(getcontext().prec)
-    28
-    >>> with localcontext():
-    ...     ctx = getcontext()
-    ...     ctx.prec += 2
-    ...     print(ctx.prec)
-    ...
-    30
-    >>> with localcontext(ExtendedContext):
-    ...     print(getcontext().prec)
-    ...
-    9
-    >>> print(getcontext().prec)
-    28
-    """
-    if ctx is None: ctx = getcontext()
-    return _ContextManager(ctx)
-
-
-##### Decimal class #######################################################
-
-# Do not subclass Decimal from numbers.Real and do not register it as such
-# (because Decimals are not interoperable with floats).  See the notes in
-# numbers.py for more detail.
-
-class Decimal(object):
-    """Floating point class for decimal arithmetic."""
-
-    __slots__ = ('_exp','_int','_sign', '_is_special')
-    # Generally, the value of the Decimal instance is given by
-    #  (-1)**_sign * _int * 10**_exp
-    # Special values are signified by _is_special == True
-
-    # We're immutable, so use __new__ not __init__
-    def __new__(cls, value="0", context=None):
-        """Create a decimal point instance.
-
-        >>> Decimal('3.14')              # string input
-        Decimal('3.14')
-        >>> Decimal((0, (3, 1, 4), -2))  # tuple (sign, digit_tuple, exponent)
-        Decimal('3.14')
-        >>> Decimal(314)                 # int
-        Decimal('314')
-        >>> Decimal(Decimal(314))        # another decimal instance
-        Decimal('314')
-        >>> Decimal('  3.14  \\n')        # leading and trailing whitespace okay
-        Decimal('3.14')
-        """
-
-        # Note that the coefficient, self._int, is actually stored as
-        # a string rather than as a tuple of digits.  This speeds up
-        # the "digits to integer" and "integer to digits" conversions
-        # that are used in almost every arithmetic operation on
-        # Decimals.  This is an internal detail: the as_tuple function
-        # and the Decimal constructor still deal with tuples of
-        # digits.
-
-        self = object.__new__(cls)
-
-        # From a string
-        # REs insist on real strings, so we can too.
-        if isinstance(value, str):
-            m = _parser(value.strip())
-            if m is None:
-                if context is None:
-                    context = getcontext()
-                return context._raise_error(ConversionSyntax,
-                                "Invalid literal for Decimal: %r" % value)
-
-            if m.group('sign') == "-":
-                self._sign = 1
-            else:
-                self._sign = 0
-            intpart = m.group('int')
-            if intpart is not None:
-                # finite number
-                fracpart = m.group('frac') or ''
-                exp = int(m.group('exp') or '0')
-                self._int = str(int(intpart+fracpart))
-                self._exp = exp - len(fracpart)
-                self._is_special = False
-            else:
-                diag = m.group('diag')
-                if diag is not None:
-                    # NaN
-                    self._int = str(int(diag or '0')).lstrip('0')
-                    if m.group('signal'):
-                        self._exp = 'N'
-                    else:
-                        self._exp = 'n'
-                else:
-                    # infinity
-                    self._int = '0'
-                    self._exp = 'F'
-                self._is_special = True
-            return self
-
-        # From an integer
-        if isinstance(value, int):
-            if value >= 0:
-                self._sign = 0
-            else:
-                self._sign = 1
-            self._exp = 0
-            self._int = str(abs(value))
-            self._is_special = False
-            return self
-
-        # From another decimal
-        if isinstance(value, Decimal):
-            self._exp  = value._exp
-            self._sign = value._sign
-            self._int  = value._int
-            self._is_special  = value._is_special
-            return self
-
-        # From an internal working value
-        if isinstance(value, _WorkRep):
-            self._sign = value.sign
-            self._int = str(value.int)
-            self._exp = int(value.exp)
-            self._is_special = False
-            return self
-
-        # tuple/list conversion (possibly from as_tuple())
-        if isinstance(value, (list,tuple)):
-            if len(value) != 3:
-                raise ValueError('Invalid tuple size in creation of Decimal '
-                                 'from list or tuple.  The list or tuple '
-                                 'should have exactly three elements.')
-            # process sign.  The isinstance test rejects floats
-            if not (isinstance(value[0], int) and value[0] in (0,1)):
-                raise ValueError("Invalid sign.  The first value in the tuple "
-                                 "should be an integer; either 0 for a "
-                                 "positive number or 1 for a negative number.")
-            self._sign = value[0]
-            if value[2] == 'F':
-                # infinity: value[1] is ignored
-                self._int = '0'
-                self._exp = value[2]
-                self._is_special = True
-            else:
-                # process and validate the digits in value[1]
-                digits = []
-                for digit in value[1]:
-                    if isinstance(digit, int) and 0 <= digit <= 9:
-                        # skip leading zeros
-                        if digits or digit != 0:
-                            digits.append(digit)
-                    else:
-                        raise ValueError("The second value in the tuple must "
-                                         "be composed of integers in the range "
-                                         "0 through 9.")
-                if value[2] in ('n', 'N'):
-                    # NaN: digits form the diagnostic
-                    self._int = ''.join(map(str, digits))
-                    self._exp = value[2]
-                    self._is_special = True
-                elif isinstance(value[2], int):
-                    # finite number: digits give the coefficient
-                    self._int = ''.join(map(str, digits or [0]))
-                    self._exp = value[2]
-                    self._is_special = False
-                else:
-                    raise ValueError("The third value in the tuple must "
-                                     "be an integer, or one of the "
-                                     "strings 'F', 'n', 'N'.")
-            return self
-
-        if isinstance(value, float):
-            if context is None:
-                context = getcontext()
-            context._raise_error(FloatOperation,
-                "strict semantics for mixing floats and Decimals are "
-                "enabled")
-            value = Decimal.from_float(value)
-            self._exp  = value._exp
-            self._sign = value._sign
-            self._int  = value._int
-            self._is_special  = value._is_special
-            return self
-
-        raise TypeError("Cannot convert %r to Decimal" % value)
-
-    @classmethod
-    def from_float(cls, f):
-        """Converts a float to a decimal number, exactly.
-
-        Note that Decimal.from_float(0.1) is not the same as Decimal('0.1').
-        Since 0.1 is not exactly representable in binary floating point, the
-        value is stored as the nearest representable value which is
-        0x1.999999999999ap-4.  The exact equivalent of the value in decimal
-        is 0.1000000000000000055511151231257827021181583404541015625.
-
-        >>> Decimal.from_float(0.1)
-        Decimal('0.1000000000000000055511151231257827021181583404541015625')
-        >>> Decimal.from_float(float('nan'))
-        Decimal('NaN')
-        >>> Decimal.from_float(float('inf'))
-        Decimal('Infinity')
-        >>> Decimal.from_float(-float('inf'))
-        Decimal('-Infinity')
-        >>> Decimal.from_float(-0.0)
-        Decimal('-0')
-
-        """
-        if isinstance(f, int):                # handle integer inputs
-            return cls(f)
-        if not isinstance(f, float):
-            raise TypeError("argument must be int or float.")
-        if _math.isinf(f) or _math.isnan(f):
-            return cls(repr(f))
-        if _math.copysign(1.0, f) == 1.0:
-            sign = 0
-        else:
-            sign = 1
-        n, d = abs(f).as_integer_ratio()
-        k = d.bit_length() - 1
-        result = _dec_from_triple(sign, str(n*5**k), -k)
-        if cls is Decimal:
-            return result
-        else:
-            return cls(result)
-
-    def _isnan(self):
-        """Returns whether the number is not actually one.
-
-        0 if a number
-        1 if NaN
-        2 if sNaN
-        """
-        if self._is_special:
-            exp = self._exp
-            if exp == 'n':
-                return 1
-            elif exp == 'N':
-                return 2
-        return 0
-
-    def _isinfinity(self):
-        """Returns whether the number is infinite
-
-        0 if finite or not a number
-        1 if +INF
-        -1 if -INF
-        """
-        if self._exp == 'F':
-            if self._sign:
-                return -1
-            return 1
-        return 0
-
-    def _check_nans(self, other=None, context=None):
-        """Returns whether the number is not actually one.
-
-        if self, other are sNaN, signal
-        if self, other are NaN return nan
-        return 0
-
-        Done before operations.
-        """
-
-        self_is_nan = self._isnan()
-        if other is None:
-            other_is_nan = False
-        else:
-            other_is_nan = other._isnan()
-
-        if self_is_nan or other_is_nan:
-            if context is None:
-                context = getcontext()
-
-            if self_is_nan == 2:
-                return context._raise_error(InvalidOperation, 'sNaN',
-                                        self)
-            if other_is_nan == 2:
-                return context._raise_error(InvalidOperation, 'sNaN',
-                                        other)
-            if self_is_nan:
-                return self._fix_nan(context)
-
-            return other._fix_nan(context)
-        return 0
-
-    def _compare_check_nans(self, other, context):
-        """Version of _check_nans used for the signaling comparisons
-        compare_signal, __le__, __lt__, __ge__, __gt__.
-
-        Signal InvalidOperation if either self or other is a (quiet
-        or signaling) NaN.  Signaling NaNs take precedence over quiet
-        NaNs.
-
-        Return 0 if neither operand is a NaN.
-
-        """
-        if context is None:
-            context = getcontext()
-
-        if self._is_special or other._is_special:
-            if self.is_snan():
-                return context._raise_error(InvalidOperation,
-                                            'comparison involving sNaN',
-                                            self)
-            elif other.is_snan():
-                return context._raise_error(InvalidOperation,
-                                            'comparison involving sNaN',
-                                            other)
-            elif self.is_qnan():
-                return context._raise_error(InvalidOperation,
-                                            'comparison involving NaN',
-                                            self)
-            elif other.is_qnan():
-                return context._raise_error(InvalidOperation,
-                                            'comparison involving NaN',
-                                            other)
-        return 0
-
-    def __bool__(self):
-        """Return True if self is nonzero; otherwise return False.
-
-        NaNs and infinities are considered nonzero.
-        """
-        return self._is_special or self._int != '0'
-
-    def _cmp(self, other):
-        """Compare the two non-NaN decimal instances self and other.
-
-        Returns -1 if self < other, 0 if self == other and 1
-        if self > other.  This routine is for internal use only."""
-
-        if self._is_special or other._is_special:
-            self_inf = self._isinfinity()
-            other_inf = other._isinfinity()
-            if self_inf == other_inf:
-                return 0
-            elif self_inf < other_inf:
-                return -1
-            else:
-                return 1
-
-        # check for zeros;  Decimal('0') == Decimal('-0')
-        if not self:
-            if not other:
-                return 0
-            else:
-                return -((-1)**other._sign)
-        if not other:
-            return (-1)**self._sign
-
-        # If different signs, neg one is less
-        if other._sign < self._sign:
-            return -1
-        if self._sign < other._sign:
-            return 1
-
-        self_adjusted = self.adjusted()
-        other_adjusted = other.adjusted()
-        if self_adjusted == other_adjusted:
-            self_padded = self._int + '0'*(self._exp - other._exp)
-            other_padded = other._int + '0'*(other._exp - self._exp)
-            if self_padded == other_padded:
-                return 0
-            elif self_padded < other_padded:
-                return -(-1)**self._sign
-            else:
-                return (-1)**self._sign
-        elif self_adjusted > other_adjusted:
-            return (-1)**self._sign
-        else: # self_adjusted < other_adjusted
-            return -((-1)**self._sign)
-
-    # Note: The Decimal standard doesn't cover rich comparisons for
-    # Decimals.  In particular, the specification is silent on the
-    # subject of what should happen for a comparison involving a NaN.
-    # We take the following approach:
-    #
-    #   == comparisons involving a quiet NaN always return False
-    #   != comparisons involving a quiet NaN always return True
-    #   == or != comparisons involving a signaling NaN signal
-    #      InvalidOperation, and return False or True as above if the
-    #      InvalidOperation is not trapped.
-    #   <, >, <= and >= comparisons involving a (quiet or signaling)
-    #      NaN signal InvalidOperation, and return False if the
-    #      InvalidOperation is not trapped.
-    #
-    # This behavior is designed to conform as closely as possible to
-    # that specified by IEEE 754.
-
-    def __eq__(self, other, context=None):
-        self, other = _convert_for_comparison(self, other, equality_op=True)
-        if other is NotImplemented:
-            return other
-        if self._check_nans(other, context):
-            return False
-        return self._cmp(other) == 0
-
-    def __ne__(self, other, context=None):
-        self, other = _convert_for_comparison(self, other, equality_op=True)
-        if other is NotImplemented:
-            return other
-        if self._check_nans(other, context):
-            return True
-        return self._cmp(other) != 0
-
-
-    def __lt__(self, other, context=None):
-        self, other = _convert_for_comparison(self, other)
-        if other is NotImplemented:
-            return other
-        ans = self._compare_check_nans(other, context)
-        if ans:
-            return False
-        return self._cmp(other) < 0
-
-    def __le__(self, other, context=None):
-        self, other = _convert_for_comparison(self, other)
-        if other is NotImplemented:
-            return other
-        ans = self._compare_check_nans(other, context)
-        if ans:
-            return False
-        return self._cmp(other) <= 0
-
-    def __gt__(self, other, context=None):
-        self, other = _convert_for_comparison(self, other)
-        if other is NotImplemented:
-            return other
-        ans = self._compare_check_nans(other, context)
-        if ans:
-            return False
-        return self._cmp(other) > 0
-
-    def __ge__(self, other, context=None):
-        self, other = _convert_for_comparison(self, other)
-        if other is NotImplemented:
-            return other
-        ans = self._compare_check_nans(other, context)
-        if ans:
-            return False
-        return self._cmp(other) >= 0
-
-    def compare(self, other, context=None):
-        """Compare self to other.  Return a decimal value:
-
-        a or b is a NaN ==> Decimal('NaN')
-        a < b           ==> Decimal('-1')
-        a == b          ==> Decimal('0')
-        a > b           ==> Decimal('1')
-        """
-        other = _convert_other(other, raiseit=True)
-
-        # Compare(NaN, NaN) = NaN
-        if (self._is_special or other and other._is_special):
-            ans = self._check_nans(other, context)
-            if ans:
-                return ans
-
-        return Decimal(self._cmp(other))
-
-    def __hash__(self):
-        """x.__hash__() <==> hash(x)"""
-
-        # In order to make sure that the hash of a Decimal instance
-        # agrees with the hash of a numerically equal integer, float
-        # or Fraction, we follow the rules for numeric hashes outlined
-        # in the documentation.  (See library docs, 'Built-in Types').
-        if self._is_special:
-            if self.is_snan():
-                raise TypeError('Cannot hash a signaling NaN value.')
-            elif self.is_nan():
-                return _PyHASH_NAN
-            else:
-                if self._sign:
-                    return -_PyHASH_INF
-                else:
-                    return _PyHASH_INF
-
-        if self._exp >= 0:
-            exp_hash = pow(10, self._exp, _PyHASH_MODULUS)
-        else:
-            exp_hash = pow(_PyHASH_10INV, -self._exp, _PyHASH_MODULUS)
-        hash_ = int(self._int) * exp_hash % _PyHASH_MODULUS
-        ans = hash_ if self >= 0 else -hash_
-        return -2 if ans == -1 else ans
-
-    def as_tuple(self):
-        """Represents the number as a triple tuple.
-
-        To show the internals exactly as they are.
-        """
-        return DecimalTuple(self._sign, tuple(map(int, self._int)), self._exp)
-
-    def __repr__(self):
-        """Represents the number as an instance of Decimal."""
-        # Invariant:  eval(repr(d)) == d
-        return "Decimal('%s')" % str(self)
-
-    def __str__(self, eng=False, context=None):
-        """Return string representation of the number in scientific notation.
-
-        Captures all of the information in the underlying representation.
-        """
-
-        sign = ['', '-'][self._sign]
-        if self._is_special:
-            if self._exp == 'F':
-                return sign + 'Infinity'
-            elif self._exp == 'n':
-                return sign + 'NaN' + self._int
-            else: # self._exp == 'N'
-                return sign + 'sNaN' + self._int
-
-        # number of digits of self._int to left of decimal point
-        leftdigits = self._exp + len(self._int)
-
-        # dotplace is number of digits of self._int to the left of the
-        # decimal point in the mantissa of the output string (that is,
-        # after adjusting the exponent)
-        if self._exp <= 0 and leftdigits > -6:
-            # no exponent required
-            dotplace = leftdigits
-        elif not eng:
-            # usual scientific notation: 1 digit on left of the point
-            dotplace = 1
-        elif self._int == '0':
-            # engineering notation, zero
-            dotplace = (leftdigits + 1) % 3 - 1
-        else:
-            # engineering notation, nonzero
-            dotplace = (leftdigits - 1) % 3 + 1
-
-        if dotplace <= 0:
-            intpart = '0'
-            fracpart = '.' + '0'*(-dotplace) + self._int
-        elif dotplace >= len(self._int):
-            intpart = self._int+'0'*(dotplace-len(self._int))
-            fracpart = ''
-        else:
-            intpart = self._int[:dotplace]
-            fracpart = '.' + self._int[dotplace:]
-        if leftdigits == dotplace:
-            exp = ''
-        else:
-            if context is None:
-                context = getcontext()
-            exp = ['e', 'E'][context.capitals] + "%+d" % (leftdigits-dotplace)
-
-        return sign + intpart + fracpart + exp
-
-    def to_eng_string(self, context=None):
-        """Convert to engineering-type string.
-
-        Engineering notation has an exponent which is a multiple of 3, so there
-        are up to 3 digits left of the decimal place.
-
-        Same rules for when in exponential and when as a value as in __str__.
-        """
-        return self.__str__(eng=True, context=context)
-
-    def __neg__(self, context=None):
-        """Returns a copy with the sign switched.
-
-        Rounds, if it has reason.
-        """
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-
-        if context is None:
-            context = getcontext()
-
-        if not self and context.rounding != ROUND_FLOOR:
-            # -Decimal('0') is Decimal('0'), not Decimal('-0'), except
-            # in ROUND_FLOOR rounding mode.
-            ans = self.copy_abs()
-        else:
-            ans = self.copy_negate()
-
-        return ans._fix(context)
-
-    def __pos__(self, context=None):
-        """Returns a copy, unless it is a sNaN.
-
-        Rounds the number (if more then precision digits)
-        """
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-
-        if context is None:
-            context = getcontext()
-
-        if not self and context.rounding != ROUND_FLOOR:
-            # + (-0) = 0, except in ROUND_FLOOR rounding mode.
-            ans = self.copy_abs()
-        else:
-            ans = Decimal(self)
-
-        return ans._fix(context)
-
-    def __abs__(self, round=True, context=None):
-        """Returns the absolute value of self.
-
-        If the keyword argument 'round' is false, do not round.  The
-        expression self.__abs__(round=False) is equivalent to
-        self.copy_abs().
-        """
-        if not round:
-            return self.copy_abs()
-
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-
-        if self._sign:
-            ans = self.__neg__(context=context)
-        else:
-            ans = self.__pos__(context=context)
-
-        return ans
-
-    def __add__(self, other, context=None):
-        """Returns self + other.
-
-        -INF + INF (or the reverse) cause InvalidOperation errors.
-        """
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if context is None:
-            context = getcontext()
-
-        if self._is_special or other._is_special:
-            ans = self._check_nans(other, context)
-            if ans:
-                return ans
-
-            if self._isinfinity():
-                # If both INF, same sign => same as both, opposite => error.
-                if self._sign != other._sign and other._isinfinity():
-                    return context._raise_error(InvalidOperation, '-INF + INF')
-                return Decimal(self)
-            if other._isinfinity():
-                return Decimal(other)  # Can't both be infinity here
-
-        exp = min(self._exp, other._exp)
-        negativezero = 0
-        if context.rounding == ROUND_FLOOR and self._sign != other._sign:
-            # If the answer is 0, the sign should be negative, in this case.
-            negativezero = 1
-
-        if not self and not other:
-            sign = min(self._sign, other._sign)
-            if negativezero:
-                sign = 1
-            ans = _dec_from_triple(sign, '0', exp)
-            ans = ans._fix(context)
-            return ans
-        if not self:
-            exp = max(exp, other._exp - context.prec-1)
-            ans = other._rescale(exp, context.rounding)
-            ans = ans._fix(context)
-            return ans
-        if not other:
-            exp = max(exp, self._exp - context.prec-1)
-            ans = self._rescale(exp, context.rounding)
-            ans = ans._fix(context)
-            return ans
-
-        op1 = _WorkRep(self)
-        op2 = _WorkRep(other)
-        op1, op2 = _normalize(op1, op2, context.prec)
-
-        result = _WorkRep()
-        if op1.sign != op2.sign:
-            # Equal and opposite
-            if op1.int == op2.int:
-                ans = _dec_from_triple(negativezero, '0', exp)
-                ans = ans._fix(context)
-                return ans
-            if op1.int < op2.int:
-                op1, op2 = op2, op1
-                # OK, now abs(op1) > abs(op2)
-            if op1.sign == 1:
-                result.sign = 1
-                op1.sign, op2.sign = op2.sign, op1.sign
-            else:
-                result.sign = 0
-                # So we know the sign, and op1 > 0.
-        elif op1.sign == 1:
-            result.sign = 1
-            op1.sign, op2.sign = (0, 0)
-        else:
-            result.sign = 0
-        # Now, op1 > abs(op2) > 0
-
-        if op2.sign == 0:
-            result.int = op1.int + op2.int
-        else:
-            result.int = op1.int - op2.int
-
-        result.exp = op1.exp
-        ans = Decimal(result)
-        ans = ans._fix(context)
-        return ans
-
-    __radd__ = __add__
-
-    def __sub__(self, other, context=None):
-        """Return self - other"""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if self._is_special or other._is_special:
-            ans = self._check_nans(other, context=context)
-            if ans:
-                return ans
-
-        # self - other is computed as self + other.copy_negate()
-        return self.__add__(other.copy_negate(), context=context)
-
-    def __rsub__(self, other, context=None):
-        """Return other - self"""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        return other.__sub__(self, context=context)
-
-    def __mul__(self, other, context=None):
-        """Return self * other.
-
-        (+-) INF * 0 (or its reverse) raise InvalidOperation.
-        """
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if context is None:
-            context = getcontext()
-
-        resultsign = self._sign ^ other._sign
-
-        if self._is_special or other._is_special:
-            ans = self._check_nans(other, context)
-            if ans:
-                return ans
-
-            if self._isinfinity():
-                if not other:
-                    return context._raise_error(InvalidOperation, '(+-)INF * 0')
-                return _SignedInfinity[resultsign]
-
-            if other._isinfinity():
-                if not self:
-                    return context._raise_error(InvalidOperation, '0 * (+-)INF')
-                return _SignedInfinity[resultsign]
-
-        resultexp = self._exp + other._exp
-
-        # Special case for multiplying by zero
-        if not self or not other:
-            ans = _dec_from_triple(resultsign, '0', resultexp)
-            # Fixing in case the exponent is out of bounds
-            ans = ans._fix(context)
-            return ans
-
-        # Special case for multiplying by power of 10
-        if self._int == '1':
-            ans = _dec_from_triple(resultsign, other._int, resultexp)
-            ans = ans._fix(context)
-            return ans
-        if other._int == '1':
-            ans = _dec_from_triple(resultsign, self._int, resultexp)
-            ans = ans._fix(context)
-            return ans
-
-        op1 = _WorkRep(self)
-        op2 = _WorkRep(other)
-
-        ans = _dec_from_triple(resultsign, str(op1.int * op2.int), resultexp)
-        ans = ans._fix(context)
-
-        return ans
-    __rmul__ = __mul__
-
-    def __truediv__(self, other, context=None):
-        """Return self / other."""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return NotImplemented
-
-        if context is None:
-            context = getcontext()
-
-        sign = self._sign ^ other._sign
-
-        if self._is_special or other._is_special:
-            ans = self._check_nans(other, context)
-            if ans:
-                return ans
-
-            if self._isinfinity() and other._isinfinity():
-                return context._raise_error(InvalidOperation, '(+-)INF/(+-)INF')
-
-            if self._isinfinity():
-                return _SignedInfinity[sign]
-
-            if other._isinfinity():
-                context._raise_error(Clamped, 'Division by infinity')
-                return _dec_from_triple(sign, '0', context.Etiny())
-
-        # Special cases for zeroes
-        if not other:
-            if not self:
-                return context._raise_error(DivisionUndefined, '0 / 0')
-            return context._raise_error(DivisionByZero, 'x / 0', sign)
-
-        if not self:
-            exp = self._exp - other._exp
-            coeff = 0
-        else:
-            # OK, so neither = 0, INF or NaN
-            shift = len(other._int) - len(self._int) + context.prec + 1
-            exp = self._exp - other._exp - shift
-            op1 = _WorkRep(self)
-            op2 = _WorkRep(other)
-            if shift >= 0:
-                coeff, remainder = divmod(op1.int * 10**shift, op2.int)
-            else:
-                coeff, remainder = divmod(op1.int, op2.int * 10**-shift)
-            if remainder:
-                # result is not exact; adjust to ensure correct rounding
-                if coeff % 5 == 0:
-                    coeff += 1
-            else:
-                # result is exact; get as close to ideal exponent as possible
-                ideal_exp = self._exp - other._exp
-                while exp < ideal_exp and coeff % 10 == 0:
-                    coeff //= 10
-                    exp += 1
-
-        ans = _dec_from_triple(sign, str(coeff), exp)
-        return ans._fix(context)
-
-    def _divide(self, other, context):
-        """Return (self // other, self % other), to context.prec precision.
-
-        Assumes that neither self nor other is a NaN, that self is not
-        infinite and that other is nonzero.
-        """
-        sign = self._sign ^ other._sign
-        if other._isinfinity():
-            ideal_exp = self._exp
-        else:
-            ideal_exp = min(self._exp, other._exp)
-
-        expdiff = self.adjusted() - other.adjusted()
-        if not self or other._isinfinity() or expdiff <= -2:
-            return (_dec_from_triple(sign, '0', 0),
-                    self._rescale(ideal_exp, context.rounding))
-        if expdiff <= context.prec:
-            op1 = _WorkRep(self)
-            op2 = _WorkRep(other)
-            if op1.exp >= op2.exp:
-                op1.int *= 10**(op1.exp - op2.exp)
-            else:
-                op2.int *= 10**(op2.exp - op1.exp)
-            q, r = divmod(op1.int, op2.int)
-            if q < 10**context.prec:
-                return (_dec_from_triple(sign, str(q), 0),
-                        _dec_from_triple(self._sign, str(r), ideal_exp))
-
-        # Here the quotient is too large to be representable
-        ans = context._raise_error(DivisionImpossible,
-                                   'quotient too large in //, % or divmod')
-        return ans, ans
-
-    def __rtruediv__(self, other, context=None):
-        """Swaps self/other and returns __truediv__."""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-        return other.__truediv__(self, context=context)
-
-    def __divmod__(self, other, context=None):
-        """
-        Return (self // other, self % other)
-        """
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if context is None:
-            context = getcontext()
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return (ans, ans)
-
-        sign = self._sign ^ other._sign
-        if self._isinfinity():
-            if other._isinfinity():
-                ans = context._raise_error(InvalidOperation, 'divmod(INF, INF)')
-                return ans, ans
-            else:
-                return (_SignedInfinity[sign],
-                        context._raise_error(InvalidOperation, 'INF % x'))
-
-        if not other:
-            if not self:
-                ans = context._raise_error(DivisionUndefined, 'divmod(0, 0)')
-                return ans, ans
-            else:
-                return (context._raise_error(DivisionByZero, 'x // 0', sign),
-                        context._raise_error(InvalidOperation, 'x % 0'))
-
-        quotient, remainder = self._divide(other, context)
-        remainder = remainder._fix(context)
-        return quotient, remainder
-
-    def __rdivmod__(self, other, context=None):
-        """Swaps self/other and returns __divmod__."""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-        return other.__divmod__(self, context=context)
-
-    def __mod__(self, other, context=None):
-        """
-        self % other
-        """
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if context is None:
-            context = getcontext()
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        if self._isinfinity():
-            return context._raise_error(InvalidOperation, 'INF % x')
-        elif not other:
-            if self:
-                return context._raise_error(InvalidOperation, 'x % 0')
-            else:
-                return context._raise_error(DivisionUndefined, '0 % 0')
-
-        remainder = self._divide(other, context)[1]
-        remainder = remainder._fix(context)
-        return remainder
-
-    def __rmod__(self, other, context=None):
-        """Swaps self/other and returns __mod__."""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-        return other.__mod__(self, context=context)
-
-    def remainder_near(self, other, context=None):
-        """
-        Remainder nearest to 0-  abs(remainder-near) <= other/2
-        """
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        # self == +/-infinity -> InvalidOperation
-        if self._isinfinity():
-            return context._raise_error(InvalidOperation,
-                                        'remainder_near(infinity, x)')
-
-        # other == 0 -> either InvalidOperation or DivisionUndefined
-        if not other:
-            if self:
-                return context._raise_error(InvalidOperation,
-                                            'remainder_near(x, 0)')
-            else:
-                return context._raise_error(DivisionUndefined,
-                                            'remainder_near(0, 0)')
-
-        # other = +/-infinity -> remainder = self
-        if other._isinfinity():
-            ans = Decimal(self)
-            return ans._fix(context)
-
-        # self = 0 -> remainder = self, with ideal exponent
-        ideal_exponent = min(self._exp, other._exp)
-        if not self:
-            ans = _dec_from_triple(self._sign, '0', ideal_exponent)
-            return ans._fix(context)
-
-        # catch most cases of large or small quotient
-        expdiff = self.adjusted() - other.adjusted()
-        if expdiff >= context.prec + 1:
-            # expdiff >= prec+1 => abs(self/other) > 10**prec
-            return context._raise_error(DivisionImpossible)
-        if expdiff <= -2:
-            # expdiff <= -2 => abs(self/other) < 0.1
-            ans = self._rescale(ideal_exponent, context.rounding)
-            return ans._fix(context)
-
-        # adjust both arguments to have the same exponent, then divide
-        op1 = _WorkRep(self)
-        op2 = _WorkRep(other)
-        if op1.exp >= op2.exp:
-            op1.int *= 10**(op1.exp - op2.exp)
-        else:
-            op2.int *= 10**(op2.exp - op1.exp)
-        q, r = divmod(op1.int, op2.int)
-        # remainder is r*10**ideal_exponent; other is +/-op2.int *
-        # 10**ideal_exponent.   Apply correction to ensure that
-        # abs(remainder) <= abs(other)/2
-        if 2*r + (q&1) > op2.int:
-            r -= op2.int
-            q += 1
-
-        if q >= 10**context.prec:
-            return context._raise_error(DivisionImpossible)
-
-        # result has same sign as self unless r is negative
-        sign = self._sign
-        if r < 0:
-            sign = 1-sign
-            r = -r
-
-        ans = _dec_from_triple(sign, str(r), ideal_exponent)
-        return ans._fix(context)
-
-    def __floordiv__(self, other, context=None):
-        """self // other"""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if context is None:
-            context = getcontext()
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        if self._isinfinity():
-            if other._isinfinity():
-                return context._raise_error(InvalidOperation, 'INF // INF')
-            else:
-                return _SignedInfinity[self._sign ^ other._sign]
-
-        if not other:
-            if self:
-                return context._raise_error(DivisionByZero, 'x // 0',
-                                            self._sign ^ other._sign)
-            else:
-                return context._raise_error(DivisionUndefined, '0 // 0')
-
-        return self._divide(other, context)[0]
-
-    def __rfloordiv__(self, other, context=None):
-        """Swaps self/other and returns __floordiv__."""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-        return other.__floordiv__(self, context=context)
-
-    def __float__(self):
-        """Float representation."""
-        if self._isnan():
-            if self.is_snan():
-                raise ValueError("Cannot convert signaling NaN to float")
-            s = "-nan" if self._sign else "nan"
-        else:
-            s = str(self)
-        return float(s)
-
-    def __int__(self):
-        """Converts self to an int, truncating if necessary."""
-        if self._is_special:
-            if self._isnan():
-                raise ValueError("Cannot convert NaN to integer")
-            elif self._isinfinity():
-                raise OverflowError("Cannot convert infinity to integer")
-        s = (-1)**self._sign
-        if self._exp >= 0:
-            return s*int(self._int)*10**self._exp
-        else:
-            return s*int(self._int[:self._exp] or '0')
-
-    __trunc__ = __int__
-
-    def real(self):
-        return self
-    real = property(real)
-
-    def imag(self):
-        return Decimal(0)
-    imag = property(imag)
-
-    def conjugate(self):
-        return self
-
-    def __complex__(self):
-        return complex(float(self))
-
-    def _fix_nan(self, context):
-        """Decapitate the payload of a NaN to fit the context"""
-        payload = self._int
-
-        # maximum length of payload is precision if clamp=0,
-        # precision-1 if clamp=1.
-        max_payload_len = context.prec - context.clamp
-        if len(payload) > max_payload_len:
-            payload = payload[len(payload)-max_payload_len:].lstrip('0')
-            return _dec_from_triple(self._sign, payload, self._exp, True)
-        return Decimal(self)
-
-    def _fix(self, context):
-        """Round if it is necessary to keep self within prec precision.
-
-        Rounds and fixes the exponent.  Does not raise on a sNaN.
-
-        Arguments:
-        self - Decimal instance
-        context - context used.
-        """
-
-        if self._is_special:
-            if self._isnan():
-                # decapitate payload if necessary
-                return self._fix_nan(context)
-            else:
-                # self is +/-Infinity; return unaltered
-                return Decimal(self)
-
-        # if self is zero then exponent should be between Etiny and
-        # Emax if clamp==0, and between Etiny and Etop if clamp==1.
-        Etiny = context.Etiny()
-        Etop = context.Etop()
-        if not self:
-            exp_max = [context.Emax, Etop][context.clamp]
-            new_exp = min(max(self._exp, Etiny), exp_max)
-            if new_exp != self._exp:
-                context._raise_error(Clamped)
-                return _dec_from_triple(self._sign, '0', new_exp)
-            else:
-                return Decimal(self)
-
-        # exp_min is the smallest allowable exponent of the result,
-        # equal to max(self.adjusted()-context.prec+1, Etiny)
-        exp_min = len(self._int) + self._exp - context.prec
-        if exp_min > Etop:
-            # overflow: exp_min > Etop iff self.adjusted() > Emax
-            ans = context._raise_error(Overflow, 'above Emax', self._sign)
-            context._raise_error(Inexact)
-            context._raise_error(Rounded)
-            return ans
-
-        self_is_subnormal = exp_min < Etiny
-        if self_is_subnormal:
-            exp_min = Etiny
-
-        # round if self has too many digits
-        if self._exp < exp_min:
-            digits = len(self._int) + self._exp - exp_min
-            if digits < 0:
-                self = _dec_from_triple(self._sign, '1', exp_min-1)
-                digits = 0
-            rounding_method = self._pick_rounding_function[context.rounding]
-            changed = rounding_method(self, digits)
-            coeff = self._int[:digits] or '0'
-            if changed > 0:
-                coeff = str(int(coeff)+1)
-                if len(coeff) > context.prec:
-                    coeff = coeff[:-1]
-                    exp_min += 1
-
-            # check whether the rounding pushed the exponent out of range
-            if exp_min > Etop:
-                ans = context._raise_error(Overflow, 'above Emax', self._sign)
-            else:
-                ans = _dec_from_triple(self._sign, coeff, exp_min)
-
-            # raise the appropriate signals, taking care to respect
-            # the precedence described in the specification
-            if changed and self_is_subnormal:
-                context._raise_error(Underflow)
-            if self_is_subnormal:
-                context._raise_error(Subnormal)
-            if changed:
-                context._raise_error(Inexact)
-            context._raise_error(Rounded)
-            if not ans:
-                # raise Clamped on underflow to 0
-                context._raise_error(Clamped)
-            return ans
-
-        if self_is_subnormal:
-            context._raise_error(Subnormal)
-
-        # fold down if clamp == 1 and self has too few digits
-        if context.clamp == 1 and self._exp > Etop:
-            context._raise_error(Clamped)
-            self_padded = self._int + '0'*(self._exp - Etop)
-            return _dec_from_triple(self._sign, self_padded, Etop)
-
-        # here self was representable to begin with; return unchanged
-        return Decimal(self)
-
-    # for each of the rounding functions below:
-    #   self is a finite, nonzero Decimal
-    #   prec is an integer satisfying 0 <= prec < len(self._int)
-    #
-    # each function returns either -1, 0, or 1, as follows:
-    #   1 indicates that self should be rounded up (away from zero)
-    #   0 indicates that self should be truncated, and that all the
-    #     digits to be truncated are zeros (so the value is unchanged)
-    #  -1 indicates that there are nonzero digits to be truncated
-
-    def _round_down(self, prec):
-        """Also known as round-towards-0, truncate."""
-        if _all_zeros(self._int, prec):
-            return 0
-        else:
-            return -1
-
-    def _round_up(self, prec):
-        """Rounds away from 0."""
-        return -self._round_down(prec)
-
-    def _round_half_up(self, prec):
-        """Rounds 5 up (away from 0)"""
-        if self._int[prec] in '56789':
-            return 1
-        elif _all_zeros(self._int, prec):
-            return 0
-        else:
-            return -1
-
-    def _round_half_down(self, prec):
-        """Round 5 down"""
-        if _exact_half(self._int, prec):
-            return -1
-        else:
-            return self._round_half_up(prec)
-
-    def _round_half_even(self, prec):
-        """Round 5 to even, rest to nearest."""
-        if _exact_half(self._int, prec) and \
-                (prec == 0 or self._int[prec-1] in '02468'):
-            return -1
-        else:
-            return self._round_half_up(prec)
-
-    def _round_ceiling(self, prec):
-        """Rounds up (not away from 0 if negative.)"""
-        if self._sign:
-            return self._round_down(prec)
-        else:
-            return -self._round_down(prec)
-
-    def _round_floor(self, prec):
-        """Rounds down (not towards 0 if negative)"""
-        if not self._sign:
-            return self._round_down(prec)
-        else:
-            return -self._round_down(prec)
-
-    def _round_05up(self, prec):
-        """Round down unless digit prec-1 is 0 or 5."""
-        if prec and self._int[prec-1] not in '05':
-            return self._round_down(prec)
-        else:
-            return -self._round_down(prec)
-
-    _pick_rounding_function = dict(
-        ROUND_DOWN = _round_down,
-        ROUND_UP = _round_up,
-        ROUND_HALF_UP = _round_half_up,
-        ROUND_HALF_DOWN = _round_half_down,
-        ROUND_HALF_EVEN = _round_half_even,
-        ROUND_CEILING = _round_ceiling,
-        ROUND_FLOOR = _round_floor,
-        ROUND_05UP = _round_05up,
-    )
-
-    def __round__(self, n=None):
-        """Round self to the nearest integer, or to a given precision.
-
-        If only one argument is supplied, round a finite Decimal
-        instance self to the nearest integer.  If self is infinite or
-        a NaN then a Python exception is raised.  If self is finite
-        and lies exactly halfway between two integers then it is
-        rounded to the integer with even last digit.
-
-        >>> round(Decimal('123.456'))
-        123
-        >>> round(Decimal('-456.789'))
-        -457
-        >>> round(Decimal('-3.0'))
-        -3
-        >>> round(Decimal('2.5'))
-        2
-        >>> round(Decimal('3.5'))
-        4
-        >>> round(Decimal('Inf'))
-        Traceback (most recent call last):
-          ...
-        OverflowError: cannot round an infinity
-        >>> round(Decimal('NaN'))
-        Traceback (most recent call last):
-          ...
-        ValueError: cannot round a NaN
-
-        If a second argument n is supplied, self is rounded to n
-        decimal places using the rounding mode for the current
-        context.
-
-        For an integer n, round(self, -n) is exactly equivalent to
-        self.quantize(Decimal('1En')).
-
-        >>> round(Decimal('123.456'), 0)
-        Decimal('123')
-        >>> round(Decimal('123.456'), 2)
-        Decimal('123.46')
-        >>> round(Decimal('123.456'), -2)
-        Decimal('1E+2')
-        >>> round(Decimal('-Infinity'), 37)
-        Decimal('NaN')
-        >>> round(Decimal('sNaN123'), 0)
-        Decimal('NaN123')
-
-        """
-        if n is not None:
-            # two-argument form: use the equivalent quantize call
-            if not isinstance(n, int):
-                raise TypeError('Second argument to round should be integral')
-            exp = _dec_from_triple(0, '1', -n)
-            return self.quantize(exp)
-
-        # one-argument form
-        if self._is_special:
-            if self.is_nan():
-                raise ValueError("cannot round a NaN")
-            else:
-                raise OverflowError("cannot round an infinity")
-        return int(self._rescale(0, ROUND_HALF_EVEN))
-
-    def __floor__(self):
-        """Return the floor of self, as an integer.
-
-        For a finite Decimal instance self, return the greatest
-        integer n such that n <= self.  If self is infinite or a NaN
-        then a Python exception is raised.
-
-        """
-        if self._is_special:
-            if self.is_nan():
-                raise ValueError("cannot round a NaN")
-            else:
-                raise OverflowError("cannot round an infinity")
-        return int(self._rescale(0, ROUND_FLOOR))
-
-    def __ceil__(self):
-        """Return the ceiling of self, as an integer.
-
-        For a finite Decimal instance self, return the least integer n
-        such that n >= self.  If self is infinite or a NaN then a
-        Python exception is raised.
-
-        """
-        if self._is_special:
-            if self.is_nan():
-                raise ValueError("cannot round a NaN")
-            else:
-                raise OverflowError("cannot round an infinity")
-        return int(self._rescale(0, ROUND_CEILING))
-
-    def fma(self, other, third, context=None):
-        """Fused multiply-add.
-
-        Returns self*other+third with no rounding of the intermediate
-        product self*other.
-
-        self and other are multiplied together, with no rounding of
-        the result.  The third operand is then added to the result,
-        and a single final rounding is performed.
-        """
-
-        other = _convert_other(other, raiseit=True)
-        third = _convert_other(third, raiseit=True)
-
-        # compute product; raise InvalidOperation if either operand is
-        # a signaling NaN or if the product is zero times infinity.
-        if self._is_special or other._is_special:
-            if context is None:
-                context = getcontext()
-            if self._exp == 'N':
-                return context._raise_error(InvalidOperation, 'sNaN', self)
-            if other._exp == 'N':
-                return context._raise_error(InvalidOperation, 'sNaN', other)
-            if self._exp == 'n':
-                product = self
-            elif other._exp == 'n':
-                product = other
-            elif self._exp == 'F':
-                if not other:
-                    return context._raise_error(InvalidOperation,
-                                                'INF * 0 in fma')
-                product = _SignedInfinity[self._sign ^ other._sign]
-            elif other._exp == 'F':
-                if not self:
-                    return context._raise_error(InvalidOperation,
-                                                '0 * INF in fma')
-                product = _SignedInfinity[self._sign ^ other._sign]
-        else:
-            product = _dec_from_triple(self._sign ^ other._sign,
-                                       str(int(self._int) * int(other._int)),
-                                       self._exp + other._exp)
-
-        return product.__add__(third, context)
-
-    def _power_modulo(self, other, modulo, context=None):
-        """Three argument version of __pow__"""
-
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-        modulo = _convert_other(modulo)
-        if modulo is NotImplemented:
-            return modulo
-
-        if context is None:
-            context = getcontext()
-
-        # deal with NaNs: if there are any sNaNs then first one wins,
-        # (i.e. behaviour for NaNs is identical to that of fma)
-        self_is_nan = self._isnan()
-        other_is_nan = other._isnan()
-        modulo_is_nan = modulo._isnan()
-        if self_is_nan or other_is_nan or modulo_is_nan:
-            if self_is_nan == 2:
-                return context._raise_error(InvalidOperation, 'sNaN',
-                                        self)
-            if other_is_nan == 2:
-                return context._raise_error(InvalidOperation, 'sNaN',
-                                        other)
-            if modulo_is_nan == 2:
-                return context._raise_error(InvalidOperation, 'sNaN',
-                                        modulo)
-            if self_is_nan:
-                return self._fix_nan(context)
-            if other_is_nan:
-                return other._fix_nan(context)
-            return modulo._fix_nan(context)
-
-        # check inputs: we apply same restrictions as Python's pow()
-        if not (self._isinteger() and
-                other._isinteger() and
-                modulo._isinteger()):
-            return context._raise_error(InvalidOperation,
-                                        'pow() 3rd argument not allowed '
-                                        'unless all arguments are integers')
-        if other < 0:
-            return context._raise_error(InvalidOperation,
-                                        'pow() 2nd argument cannot be '
-                                        'negative when 3rd argument specified')
-        if not modulo:
-            return context._raise_error(InvalidOperation,
-                                        'pow() 3rd argument cannot be 0')
-
-        # additional restriction for decimal: the modulus must be less
-        # than 10**prec in absolute value
-        if modulo.adjusted() >= context.prec:
-            return context._raise_error(InvalidOperation,
-                                        'insufficient precision: pow() 3rd '
-                                        'argument must not have more than '
-                                        'precision digits')
-
-        # define 0**0 == NaN, for consistency with two-argument pow
-        # (even though it hurts!)
-        if not other and not self:
-            return context._raise_error(InvalidOperation,
-                                        'at least one of pow() 1st argument '
-                                        'and 2nd argument must be nonzero ;'
-                                        '0**0 is not defined')
-
-        # compute sign of result
-        if other._iseven():
-            sign = 0
-        else:
-            sign = self._sign
-
-        # convert modulo to a Python integer, and self and other to
-        # Decimal integers (i.e. force their exponents to be >= 0)
-        modulo = abs(int(modulo))
-        base = _WorkRep(self.to_integral_value())
-        exponent = _WorkRep(other.to_integral_value())
-
-        # compute result using integer pow()
-        base = (base.int % modulo * pow(10, base.exp, modulo)) % modulo
-        for i in range(exponent.exp):
-            base = pow(base, 10, modulo)
-        base = pow(base, exponent.int, modulo)
-
-        return _dec_from_triple(sign, str(base), 0)
-
-    def _power_exact(self, other, p):
-        """Attempt to compute self**other exactly.
-
-        Given Decimals self and other and an integer p, attempt to
-        compute an exact result for the power self**other, with p
-        digits of precision.  Return None if self**other is not
-        exactly representable in p digits.
-
-        Assumes that elimination of special cases has already been
-        performed: self and other must both be nonspecial; self must
-        be positive and not numerically equal to 1; other must be
-        nonzero.  For efficiency, other._exp should not be too large,
-        so that 10**abs(other._exp) is a feasible calculation."""
-
-        # In the comments below, we write x for the value of self and y for the
-        # value of other.  Write x = xc*10**xe and abs(y) = yc*10**ye, with xc
-        # and yc positive integers not divisible by 10.
-
-        # The main purpose of this method is to identify the *failure*
-        # of x**y to be exactly representable with as little effort as
-        # possible.  So we look for cheap and easy tests that
-        # eliminate the possibility of x**y being exact.  Only if all
-        # these tests are passed do we go on to actually compute x**y.
-
-        # Here's the main idea.  Express y as a rational number m/n, with m and
-        # n relatively prime and n>0.  Then for x**y to be exactly
-        # representable (at *any* precision), xc must be the nth power of a
-        # positive integer and xe must be divisible by n.  If y is negative
-        # then additionally xc must be a power of either 2 or 5, hence a power
-        # of 2**n or 5**n.
-        #
-        # There's a limit to how small |y| can be: if y=m/n as above
-        # then:
-        #
-        #  (1) if xc != 1 then for the result to be representable we
-        #      need xc**(1/n) >= 2, and hence also xc**|y| >= 2.  So
-        #      if |y| <= 1/nbits(xc) then xc < 2**nbits(xc) <=
-        #      2**(1/|y|), hence xc**|y| < 2 and the result is not
-        #      representable.
-        #
-        #  (2) if xe != 0, |xe|*(1/n) >= 1, so |xe|*|y| >= 1.  Hence if
-        #      |y| < 1/|xe| then the result is not representable.
-        #
-        # Note that since x is not equal to 1, at least one of (1) and
-        # (2) must apply.  Now |y| < 1/nbits(xc) iff |yc|*nbits(xc) <
-        # 10**-ye iff len(str(|yc|*nbits(xc)) <= -ye.
-        #
-        # There's also a limit to how large y can be, at least if it's
-        # positive: the normalized result will have coefficient xc**y,
-        # so if it's representable then xc**y < 10**p, and y <
-        # p/log10(xc).  Hence if y*log10(xc) >= p then the result is
-        # not exactly representable.
-
-        # if len(str(abs(yc*xe)) <= -ye then abs(yc*xe) < 10**-ye,
-        # so |y| < 1/xe and the result is not representable.
-        # Similarly, len(str(abs(yc)*xc_bits)) <= -ye implies |y|
-        # < 1/nbits(xc).
-
-        x = _WorkRep(self)
-        xc, xe = x.int, x.exp
-        while xc % 10 == 0:
-            xc //= 10
-            xe += 1
-
-        y = _WorkRep(other)
-        yc, ye = y.int, y.exp
-        while yc % 10 == 0:
-            yc //= 10
-            ye += 1
-
-        # case where xc == 1: result is 10**(xe*y), with xe*y
-        # required to be an integer
-        if xc == 1:
-            xe *= yc
-            # result is now 10**(xe * 10**ye);  xe * 10**ye must be integral
-            while xe % 10 == 0:
-                xe //= 10
-                ye += 1
-            if ye < 0:
-                return None
-            exponent = xe * 10**ye
-            if y.sign == 1:
-                exponent = -exponent
-            # if other is a nonnegative integer, use ideal exponent
-            if other._isinteger() and other._sign == 0:
-                ideal_exponent = self._exp*int(other)
-                zeros = min(exponent-ideal_exponent, p-1)
-            else:
-                zeros = 0
-            return _dec_from_triple(0, '1' + '0'*zeros, exponent-zeros)
-
-        # case where y is negative: xc must be either a power
-        # of 2 or a power of 5.
-        if y.sign == 1:
-            last_digit = xc % 10
-            if last_digit in (2,4,6,8):
-                # quick test for power of 2
-                if xc & -xc != xc:
-                    return None
-                # now xc is a power of 2; e is its exponent
-                e = _nbits(xc)-1
-
-                # We now have:
-                #
-                #   x = 2**e * 10**xe, e > 0, and y < 0.
-                #
-                # The exact result is:
-                #
-                #   x**y = 5**(-e*y) * 10**(e*y + xe*y)
-                #
-                # provided that both e*y and xe*y are integers.  Note that if
-                # 5**(-e*y) >= 10**p, then the result can't be expressed
-                # exactly with p digits of precision.
-                #
-                # Using the above, we can guard against large values of ye.
-                # 93/65 is an upper bound for log(10)/log(5), so if
-                #
-                #   ye >= len(str(93*p//65))
-                #
-                # then
-                #
-                #   -e*y >= -y >= 10**ye > 93*p/65 > p*log(10)/log(5),
-                #
-                # so 5**(-e*y) >= 10**p, and the coefficient of the result
-                # can't be expressed in p digits.
-
-                # emax >= largest e such that 5**e < 10**p.
-                emax = p*93//65
-                if ye >= len(str(emax)):
-                    return None
-
-                # Find -e*y and -xe*y; both must be integers
-                e = _decimal_lshift_exact(e * yc, ye)
-                xe = _decimal_lshift_exact(xe * yc, ye)
-                if e is None or xe is None:
-                    return None
-
-                if e > emax:
-                    return None
-                xc = 5**e
-
-            elif last_digit == 5:
-                # e >= log_5(xc) if xc is a power of 5; we have
-                # equality all the way up to xc=5**2658
-                e = _nbits(xc)*28//65
-                xc, remainder = divmod(5**e, xc)
-                if remainder:
-                    return None
-                while xc % 5 == 0:
-                    xc //= 5
-                    e -= 1
-
-                # Guard against large values of ye, using the same logic as in
-                # the 'xc is a power of 2' branch.  10/3 is an upper bound for
-                # log(10)/log(2).
-                emax = p*10//3
-                if ye >= len(str(emax)):
-                    return None
-
-                e = _decimal_lshift_exact(e * yc, ye)
-                xe = _decimal_lshift_exact(xe * yc, ye)
-                if e is None or xe is None:
-                    return None
-
-                if e > emax:
-                    return None
-                xc = 2**e
-            else:
-                return None
-
-            if xc >= 10**p:
-                return None
-            xe = -e-xe
-            return _dec_from_triple(0, str(xc), xe)
-
-        # now y is positive; find m and n such that y = m/n
-        if ye >= 0:
-            m, n = yc*10**ye, 1
-        else:
-            if xe != 0 and len(str(abs(yc*xe))) <= -ye:
-                return None
-            xc_bits = _nbits(xc)
-            if xc != 1 and len(str(abs(yc)*xc_bits)) <= -ye:
-                return None
-            m, n = yc, 10**(-ye)
-            while m % 2 == n % 2 == 0:
-                m //= 2
-                n //= 2
-            while m % 5 == n % 5 == 0:
-                m //= 5
-                n //= 5
-
-        # compute nth root of xc*10**xe
-        if n > 1:
-            # if 1 < xc < 2**n then xc isn't an nth power
-            if xc != 1 and xc_bits <= n:
-                return None
-
-            xe, rem = divmod(xe, n)
-            if rem != 0:
-                return None
-
-            # compute nth root of xc using Newton's method
-            a = 1 << -(-_nbits(xc)//n) # initial estimate
-            while True:
-                q, r = divmod(xc, a**(n-1))
-                if a <= q:
-                    break
-                else:
-                    a = (a*(n-1) + q)//n
-            if not (a == q and r == 0):
-                return None
-            xc = a
-
-        # now xc*10**xe is the nth root of the original xc*10**xe
-        # compute mth power of xc*10**xe
-
-        # if m > p*100//_log10_lb(xc) then m > p/log10(xc), hence xc**m >
-        # 10**p and the result is not representable.
-        if xc > 1 and m > p*100//_log10_lb(xc):
-            return None
-        xc = xc**m
-        xe *= m
-        if xc > 10**p:
-            return None
-
-        # by this point the result *is* exactly representable
-        # adjust the exponent to get as close as possible to the ideal
-        # exponent, if necessary
-        str_xc = str(xc)
-        if other._isinteger() and other._sign == 0:
-            ideal_exponent = self._exp*int(other)
-            zeros = min(xe-ideal_exponent, p-len(str_xc))
-        else:
-            zeros = 0
-        return _dec_from_triple(0, str_xc+'0'*zeros, xe-zeros)
-
-    def __pow__(self, other, modulo=None, context=None):
-        """Return self ** other [ % modulo].
-
-        With two arguments, compute self**other.
-
-        With three arguments, compute (self**other) % modulo.  For the
-        three argument form, the following restrictions on the
-        arguments hold:
-
-         - all three arguments must be integral
-         - other must be nonnegative
-         - either self or other (or both) must be nonzero
-         - modulo must be nonzero and must have at most p digits,
-           where p is the context precision.
-
-        If any of these restrictions is violated the InvalidOperation
-        flag is raised.
-
-        The result of pow(self, other, modulo) is identical to the
-        result that would be obtained by computing (self**other) %
-        modulo with unbounded precision, but is computed more
-        efficiently.  It is always exact.
-        """
-
-        if modulo is not None:
-            return self._power_modulo(other, modulo, context)
-
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-
-        if context is None:
-            context = getcontext()
-
-        # either argument is a NaN => result is NaN
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        # 0**0 = NaN (!), x**0 = 1 for nonzero x (including +/-Infinity)
-        if not other:
-            if not self:
-                return context._raise_error(InvalidOperation, '0 ** 0')
-            else:
-                return _One
-
-        # result has sign 1 iff self._sign is 1 and other is an odd integer
-        result_sign = 0
-        if self._sign == 1:
-            if other._isinteger():
-                if not other._iseven():
-                    result_sign = 1
-            else:
-                # -ve**noninteger = NaN
-                # (-0)**noninteger = 0**noninteger
-                if self:
-                    return context._raise_error(InvalidOperation,
-                        'x ** y with x negative and y not an integer')
-            # negate self, without doing any unwanted rounding
-            self = self.copy_negate()
-
-        # 0**(+ve or Inf)= 0; 0**(-ve or -Inf) = Infinity
-        if not self:
-            if other._sign == 0:
-                return _dec_from_triple(result_sign, '0', 0)
-            else:
-                return _SignedInfinity[result_sign]
-
-        # Inf**(+ve or Inf) = Inf; Inf**(-ve or -Inf) = 0
-        if self._isinfinity():
-            if other._sign == 0:
-                return _SignedInfinity[result_sign]
-            else:
-                return _dec_from_triple(result_sign, '0', 0)
-
-        # 1**other = 1, but the choice of exponent and the flags
-        # depend on the exponent of self, and on whether other is a
-        # positive integer, a negative integer, or neither
-        if self == _One:
-            if other._isinteger():
-                # exp = max(self._exp*max(int(other), 0),
-                # 1-context.prec) but evaluating int(other) directly
-                # is dangerous until we know other is small (other
-                # could be 1e999999999)
-                if other._sign == 1:
-                    multiplier = 0
-                elif other > context.prec:
-                    multiplier = context.prec
-                else:
-                    multiplier = int(other)
-
-                exp = self._exp * multiplier
-                if exp < 1-context.prec:
-                    exp = 1-context.prec
-                    context._raise_error(Rounded)
-            else:
-                context._raise_error(Inexact)
-                context._raise_error(Rounded)
-                exp = 1-context.prec
-
-            return _dec_from_triple(result_sign, '1'+'0'*-exp, exp)
-
-        # compute adjusted exponent of self
-        self_adj = self.adjusted()
-
-        # self ** infinity is infinity if self > 1, 0 if self < 1
-        # self ** -infinity is infinity if self < 1, 0 if self > 1
-        if other._isinfinity():
-            if (other._sign == 0) == (self_adj < 0):
-                return _dec_from_triple(result_sign, '0', 0)
-            else:
-                return _SignedInfinity[result_sign]
-
-        # from here on, the result always goes through the call
-        # to _fix at the end of this function.
-        ans = None
-        exact = False
-
-        # crude test to catch cases of extreme overflow/underflow.  If
-        # log10(self)*other >= 10**bound and bound >= len(str(Emax))
-        # then 10**bound >= 10**len(str(Emax)) >= Emax+1 and hence
-        # self**other >= 10**(Emax+1), so overflow occurs.  The test
-        # for underflow is similar.
-        bound = self._log10_exp_bound() + other.adjusted()
-        if (self_adj >= 0) == (other._sign == 0):
-            # self > 1 and other +ve, or self < 1 and other -ve
-            # possibility of overflow
-            if bound >= len(str(context.Emax)):
-                ans = _dec_from_triple(result_sign, '1', context.Emax+1)
-        else:
-            # self > 1 and other -ve, or self < 1 and other +ve
-            # possibility of underflow to 0
-            Etiny = context.Etiny()
-            if bound >= len(str(-Etiny)):
-                ans = _dec_from_triple(result_sign, '1', Etiny-1)
-
-        # try for an exact result with precision +1
-        if ans is None:
-            ans = self._power_exact(other, context.prec + 1)
-            if ans is not None:
-                if result_sign == 1:
-                    ans = _dec_from_triple(1, ans._int, ans._exp)
-                exact = True
-
-        # usual case: inexact result, x**y computed directly as exp(y*log(x))
-        if ans is None:
-            p = context.prec
-            x = _WorkRep(self)
-            xc, xe = x.int, x.exp
-            y = _WorkRep(other)
-            yc, ye = y.int, y.exp
-            if y.sign == 1:
-                yc = -yc
-
-            # compute correctly rounded result:  start with precision +3,
-            # then increase precision until result is unambiguously roundable
-            extra = 3
-            while True:
-                coeff, exp = _dpower(xc, xe, yc, ye, p+extra)
-                if coeff % (5*10**(len(str(coeff))-p-1)):
-                    break
-                extra += 3
-
-            ans = _dec_from_triple(result_sign, str(coeff), exp)
-
-        # unlike exp, ln and log10, the power function respects the
-        # rounding mode; no need to switch to ROUND_HALF_EVEN here
-
-        # There's a difficulty here when 'other' is not an integer and
-        # the result is exact.  In this case, the specification
-        # requires that the Inexact flag be raised (in spite of
-        # exactness), but since the result is exact _fix won't do this
-        # for us.  (Correspondingly, the Underflow signal should also
-        # be raised for subnormal results.)  We can't directly raise
-        # these signals either before or after calling _fix, since
-        # that would violate the precedence for signals.  So we wrap
-        # the ._fix call in a temporary context, and reraise
-        # afterwards.
-        if exact and not other._isinteger():
-            # pad with zeros up to length context.prec+1 if necessary; this
-            # ensures that the Rounded signal will be raised.
-            if len(ans._int) <= context.prec:
-                expdiff = context.prec + 1 - len(ans._int)
-                ans = _dec_from_triple(ans._sign, ans._int+'0'*expdiff,
-                                       ans._exp-expdiff)
-
-            # create a copy of the current context, with cleared flags/traps
-            newcontext = context.copy()
-            newcontext.clear_flags()
-            for exception in _signals:
-                newcontext.traps[exception] = 0
-
-            # round in the new context
-            ans = ans._fix(newcontext)
-
-            # raise Inexact, and if necessary, Underflow
-            newcontext._raise_error(Inexact)
-            if newcontext.flags[Subnormal]:
-                newcontext._raise_error(Underflow)
-
-            # propagate signals to the original context; _fix could
-            # have raised any of Overflow, Underflow, Subnormal,
-            # Inexact, Rounded, Clamped.  Overflow needs the correct
-            # arguments.  Note that the order of the exceptions is
-            # important here.
-            if newcontext.flags[Overflow]:
-                context._raise_error(Overflow, 'above Emax', ans._sign)
-            for exception in Underflow, Subnormal, Inexact, Rounded, Clamped:
-                if newcontext.flags[exception]:
-                    context._raise_error(exception)
-
-        else:
-            ans = ans._fix(context)
-
-        return ans
-
-    def __rpow__(self, other, context=None):
-        """Swaps self/other and returns __pow__."""
-        other = _convert_other(other)
-        if other is NotImplemented:
-            return other
-        return other.__pow__(self, context=context)
-
-    def normalize(self, context=None):
-        """Normalize- strip trailing 0s, change anything equal to 0 to 0e0"""
-
-        if context is None:
-            context = getcontext()
-
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-
-        dup = self._fix(context)
-        if dup._isinfinity():
-            return dup
-
-        if not dup:
-            return _dec_from_triple(dup._sign, '0', 0)
-        exp_max = [context.Emax, context.Etop()][context.clamp]
-        end = len(dup._int)
-        exp = dup._exp
-        while dup._int[end-1] == '0' and exp < exp_max:
-            exp += 1
-            end -= 1
-        return _dec_from_triple(dup._sign, dup._int[:end], exp)
-
-    def quantize(self, exp, rounding=None, context=None, watchexp=True):
-        """Quantize self so its exponent is the same as that of exp.
-
-        Similar to self._rescale(exp._exp) but with error checking.
-        """
-        exp = _convert_other(exp, raiseit=True)
-
-        if context is None:
-            context = getcontext()
-        if rounding is None:
-            rounding = context.rounding
-
-        if self._is_special or exp._is_special:
-            ans = self._check_nans(exp, context)
-            if ans:
-                return ans
-
-            if exp._isinfinity() or self._isinfinity():
-                if exp._isinfinity() and self._isinfinity():
-                    return Decimal(self)  # if both are inf, it is OK
-                return context._raise_error(InvalidOperation,
-                                        'quantize with one INF')
-
-        # if we're not watching exponents, do a simple rescale
-        if not watchexp:
-            ans = self._rescale(exp._exp, rounding)
-            # raise Inexact and Rounded where appropriate
-            if ans._exp > self._exp:
-                context._raise_error(Rounded)
-                if ans != self:
-                    context._raise_error(Inexact)
-            return ans
-
-        # exp._exp should be between Etiny and Emax
-        if not (context.Etiny() <= exp._exp <= context.Emax):
-            return context._raise_error(InvalidOperation,
-                   'target exponent out of bounds in quantize')
-
-        if not self:
-            ans = _dec_from_triple(self._sign, '0', exp._exp)
-            return ans._fix(context)
-
-        self_adjusted = self.adjusted()
-        if self_adjusted > context.Emax:
-            return context._raise_error(InvalidOperation,
-                                        'exponent of quantize result too large for current context')
-        if self_adjusted - exp._exp + 1 > context.prec:
-            return context._raise_error(InvalidOperation,
-                                        'quantize result has too many digits for current context')
-
-        ans = self._rescale(exp._exp, rounding)
-        if ans.adjusted() > context.Emax:
-            return context._raise_error(InvalidOperation,
-                                        'exponent of quantize result too large for current context')
-        if len(ans._int) > context.prec:
-            return context._raise_error(InvalidOperation,
-                                        'quantize result has too many digits for current context')
-
-        # raise appropriate flags
-        if ans and ans.adjusted() < context.Emin:
-            context._raise_error(Subnormal)
-        if ans._exp > self._exp:
-            if ans != self:
-                context._raise_error(Inexact)
-            context._raise_error(Rounded)
-
-        # call to fix takes care of any necessary folddown, and
-        # signals Clamped if necessary
-        ans = ans._fix(context)
-        return ans
-
-    def same_quantum(self, other, context=None):
-        """Return True if self and other have the same exponent; otherwise
-        return False.
-
-        If either operand is a special value, the following rules are used:
-           * return True if both operands are infinities
-           * return True if both operands are NaNs
-           * otherwise, return False.
-        """
-        other = _convert_other(other, raiseit=True)
-        if self._is_special or other._is_special:
-            return (self.is_nan() and other.is_nan() or
-                    self.is_infinite() and other.is_infinite())
-        return self._exp == other._exp
-
-    def _rescale(self, exp, rounding):
-        """Rescale self so that the exponent is exp, either by padding with zeros
-        or by truncating digits, using the given rounding mode.
-
-        Specials are returned without change.  This operation is
-        quiet: it raises no flags, and uses no information from the
-        context.
-
-        exp = exp to scale to (an integer)
-        rounding = rounding mode
-        """
-        if self._is_special:
-            return Decimal(self)
-        if not self:
-            return _dec_from_triple(self._sign, '0', exp)
-
-        if self._exp >= exp:
-            # pad answer with zeros if necessary
-            return _dec_from_triple(self._sign,
-                                        self._int + '0'*(self._exp - exp), exp)
-
-        # too many digits; round and lose data.  If self.adjusted() <
-        # exp-1, replace self by 10**(exp-1) before rounding
-        digits = len(self._int) + self._exp - exp
-        if digits < 0:
-            self = _dec_from_triple(self._sign, '1', exp-1)
-            digits = 0
-        this_function = self._pick_rounding_function[rounding]
-        changed = this_function(self, digits)
-        coeff = self._int[:digits] or '0'
-        if changed == 1:
-            coeff = str(int(coeff)+1)
-        return _dec_from_triple(self._sign, coeff, exp)
-
-    def _round(self, places, rounding):
-        """Round a nonzero, nonspecial Decimal to a fixed number of
-        significant figures, using the given rounding mode.
-
-        Infinities, NaNs and zeros are returned unaltered.
-
-        This operation is quiet: it raises no flags, and uses no
-        information from the context.
-
-        """
-        if places <= 0:
-            raise ValueError("argument should be at least 1 in _round")
-        if self._is_special or not self:
-            return Decimal(self)
-        ans = self._rescale(self.adjusted()+1-places, rounding)
-        # it can happen that the rescale alters the adjusted exponent;
-        # for example when rounding 99.97 to 3 significant figures.
-        # When this happens we end up with an extra 0 at the end of
-        # the number; a second rescale fixes this.
-        if ans.adjusted() != self.adjusted():
-            ans = ans._rescale(ans.adjusted()+1-places, rounding)
-        return ans
-
-    def to_integral_exact(self, rounding=None, context=None):
-        """Rounds to a nearby integer.
-
-        If no rounding mode is specified, take the rounding mode from
-        the context.  This method raises the Rounded and Inexact flags
-        when appropriate.
-
-        See also: to_integral_value, which does exactly the same as
-        this method except that it doesn't raise Inexact or Rounded.
-        """
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-            return Decimal(self)
-        if self._exp >= 0:
-            return Decimal(self)
-        if not self:
-            return _dec_from_triple(self._sign, '0', 0)
-        if context is None:
-            context = getcontext()
-        if rounding is None:
-            rounding = context.rounding
-        ans = self._rescale(0, rounding)
-        if ans != self:
-            context._raise_error(Inexact)
-        context._raise_error(Rounded)
-        return ans
-
-    def to_integral_value(self, rounding=None, context=None):
-        """Rounds to the nearest integer, without raising inexact, rounded."""
-        if context is None:
-            context = getcontext()
-        if rounding is None:
-            rounding = context.rounding
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-            return Decimal(self)
-        if self._exp >= 0:
-            return Decimal(self)
-        else:
-            return self._rescale(0, rounding)
-
-    # the method name changed, but we provide also the old one, for compatibility
-    to_integral = to_integral_value
-
-    def sqrt(self, context=None):
-        """Return the square root of self."""
-        if context is None:
-            context = getcontext()
-
-        if self._is_special:
-            ans = self._check_nans(context=context)
-            if ans:
-                return ans
-
-            if self._isinfinity() and self._sign == 0:
-                return Decimal(self)
-
-        if not self:
-            # exponent = self._exp // 2.  sqrt(-0) = -0
-            ans = _dec_from_triple(self._sign, '0', self._exp // 2)
-            return ans._fix(context)
-
-        if self._sign == 1:
-            return context._raise_error(InvalidOperation, 'sqrt(-x), x > 0')
-
-        # At this point self represents a positive number.  Let p be
-        # the desired precision and express self in the form c*100**e
-        # with c a positive real number and e an integer, c and e
-        # being chosen so that 100**(p-1) <= c < 100**p.  Then the
-        # (exact) square root of self is sqrt(c)*10**e, and 10**(p-1)
-        # <= sqrt(c) < 10**p, so the closest representable Decimal at
-        # precision p is n*10**e where n = round_half_even(sqrt(c)),
-        # the closest integer to sqrt(c) with the even integer chosen
-        # in the case of a tie.
-        #
-        # To ensure correct rounding in all cases, we use the
-        # following trick: we compute the square root to an extra
-        # place (precision p+1 instead of precision p), rounding down.
-        # Then, if the result is inexact and its last digit is 0 or 5,
-        # we increase the last digit to 1 or 6 respectively; if it's
-        # exact we leave the last digit alone.  Now the final round to
-        # p places (or fewer in the case of underflow) will round
-        # correctly and raise the appropriate flags.
-
-        # use an extra digit of precision
-        prec = context.prec+1
-
-        # write argument in the form c*100**e where e = self._exp//2
-        # is the 'ideal' exponent, to be used if the square root is
-        # exactly representable.  l is the number of 'digits' of c in
-        # base 100, so that 100**(l-1) <= c < 100**l.
-        op = _WorkRep(self)
-        e = op.exp >> 1
-        if op.exp & 1:
-            c = op.int * 10
-            l = (len(self._int) >> 1) + 1
-        else:
-            c = op.int
-            l = len(self._int)+1 >> 1
-
-        # rescale so that c has exactly prec base 100 'digits'
-        shift = prec-l
-        if shift >= 0:
-            c *= 100**shift
-            exact = True
-        else:
-            c, remainder = divmod(c, 100**-shift)
-            exact = not remainder
-        e -= shift
-
-        # find n = floor(sqrt(c)) using Newton's method
-        n = 10**prec
-        while True:
-            q = c//n
-            if n <= q:
-                break
-            else:
-                n = n + q >> 1
-        exact = exact and n*n == c
-
-        if exact:
-            # result is exact; rescale to use ideal exponent e
-            if shift >= 0:
-                # assert n % 10**shift == 0
-                n //= 10**shift
-            else:
-                n *= 10**-shift
-            e += shift
-        else:
-            # result is not exact; fix last digit as described above
-            if n % 5 == 0:
-                n += 1
-
-        ans = _dec_from_triple(0, str(n), e)
-
-        # round, and fit to current context
-        context = context._shallow_copy()
-        rounding = context._set_rounding(ROUND_HALF_EVEN)
-        ans = ans._fix(context)
-        context.rounding = rounding
-
-        return ans
-
-    def max(self, other, context=None):
-        """Returns the larger value.
-
-        Like max(self, other) except if one is not a number, returns
-        NaN (and signals if one is sNaN).  Also rounds.
-        """
-        other = _convert_other(other, raiseit=True)
-
-        if context is None:
-            context = getcontext()
-
-        if self._is_special or other._is_special:
-            # If one operand is a quiet NaN and the other is number, then the
-            # number is always returned
-            sn = self._isnan()
-            on = other._isnan()
-            if sn or on:
-                if on == 1 and sn == 0:
-                    return self._fix(context)
-                if sn == 1 and on == 0:
-                    return other._fix(context)
-                return self._check_nans(other, context)
-
-        c = self._cmp(other)
-        if c == 0:
-            # If both operands are finite and equal in numerical value
-            # then an ordering is applied:
-            #
-            # If the signs differ then max returns the operand with the
-            # positive sign and min returns the operand with the negative sign
-            #
-            # If the signs are the same then the exponent is used to select
-            # the result.  This is exactly the ordering used in compare_total.
-            c = self.compare_total(other)
-
-        if c == -1:
-            ans = other
-        else:
-            ans = self
-
-        return ans._fix(context)
-
-    def min(self, other, context=None):
-        """Returns the smaller value.
-
-        Like min(self, other) except if one is not a number, returns
-        NaN (and signals if one is sNaN).  Also rounds.
-        """
-        other = _convert_other(other, raiseit=True)
-
-        if context is None:
-            context = getcontext()
-
-        if self._is_special or other._is_special:
-            # If one operand is a quiet NaN and the other is number, then the
-            # number is always returned
-            sn = self._isnan()
-            on = other._isnan()
-            if sn or on:
-                if on == 1 and sn == 0:
-                    return self._fix(context)
-                if sn == 1 and on == 0:
-                    return other._fix(context)
-                return self._check_nans(other, context)
-
-        c = self._cmp(other)
-        if c == 0:
-            c = self.compare_total(other)
-
-        if c == -1:
-            ans = self
-        else:
-            ans = other
-
-        return ans._fix(context)
-
-    def _isinteger(self):
-        """Returns whether self is an integer"""
-        if self._is_special:
-            return False
-        if self._exp >= 0:
-            return True
-        rest = self._int[self._exp:]
-        return rest == '0'*len(rest)
-
-    def _iseven(self):
-        """Returns True if self is even.  Assumes self is an integer."""
-        if not self or self._exp > 0:
-            return True
-        return self._int[-1+self._exp] in '02468'
-
-    def adjusted(self):
-        """Return the adjusted exponent of self"""
-        try:
-            return self._exp + len(self._int) - 1
-        # If NaN or Infinity, self._exp is string
-        except TypeError:
-            return 0
-
-    def canonical(self):
-        """Returns the same Decimal object.
-
-        As we do not have different encodings for the same number, the
-        received object already is in its canonical form.
-        """
-        return self
-
-    def compare_signal(self, other, context=None):
-        """Compares self to the other operand numerically.
-
-        It's pretty much like compare(), but all NaNs signal, with signaling
-        NaNs taking precedence over quiet NaNs.
-        """
-        other = _convert_other(other, raiseit = True)
-        ans = self._compare_check_nans(other, context)
-        if ans:
-            return ans
-        return self.compare(other, context=context)
-
-    def compare_total(self, other, context=None):
-        """Compares self to other using the abstract representations.
-
-        This is not like the standard compare, which use their numerical
-        value. Note that a total ordering is defined for all possible abstract
-        representations.
-        """
-        other = _convert_other(other, raiseit=True)
-
-        # if one is negative and the other is positive, it's easy
-        if self._sign and not other._sign:
-            return _NegativeOne
-        if not self._sign and other._sign:
-            return _One
-        sign = self._sign
-
-        # let's handle both NaN types
-        self_nan = self._isnan()
-        other_nan = other._isnan()
-        if self_nan or other_nan:
-            if self_nan == other_nan:
-                # compare payloads as though they're integers
-                self_key = len(self._int), self._int
-                other_key = len(other._int), other._int
-                if self_key < other_key:
-                    if sign:
-                        return _One
-                    else:
-                        return _NegativeOne
-                if self_key > other_key:
-                    if sign:
-                        return _NegativeOne
-                    else:
-                        return _One
-                return _Zero
-
-            if sign:
-                if self_nan == 1:
-                    return _NegativeOne
-                if other_nan == 1:
-                    return _One
-                if self_nan == 2:
-                    return _NegativeOne
-                if other_nan == 2:
-                    return _One
-            else:
-                if self_nan == 1:
-                    return _One
-                if other_nan == 1:
-                    return _NegativeOne
-                if self_nan == 2:
-                    return _One
-                if other_nan == 2:
-                    return _NegativeOne
-
-        if self < other:
-            return _NegativeOne
-        if self > other:
-            return _One
-
-        if self._exp < other._exp:
-            if sign:
-                return _One
-            else:
-                return _NegativeOne
-        if self._exp > other._exp:
-            if sign:
-                return _NegativeOne
-            else:
-                return _One
-        return _Zero
-
-
-    def compare_total_mag(self, other, context=None):
-        """Compares self to other using abstract repr., ignoring sign.
-
-        Like compare_total, but with operand's sign ignored and assumed to be 0.
-        """
-        other = _convert_other(other, raiseit=True)
-
-        s = self.copy_abs()
-        o = other.copy_abs()
-        return s.compare_total(o)
-
-    def copy_abs(self):
-        """Returns a copy with the sign set to 0. """
-        return _dec_from_triple(0, self._int, self._exp, self._is_special)
-
-    def copy_negate(self):
-        """Returns a copy with the sign inverted."""
-        if self._sign:
-            return _dec_from_triple(0, self._int, self._exp, self._is_special)
-        else:
-            return _dec_from_triple(1, self._int, self._exp, self._is_special)
-
-    def copy_sign(self, other, context=None):
-        """Returns self with the sign of other."""
-        other = _convert_other(other, raiseit=True)
-        return _dec_from_triple(other._sign, self._int,
-                                self._exp, self._is_special)
-
-    def exp(self, context=None):
-        """Returns e ** self."""
-
-        if context is None:
-            context = getcontext()
-
-        # exp(NaN) = NaN
-        ans = self._check_nans(context=context)
-        if ans:
-            return ans
-
-        # exp(-Infinity) = 0
-        if self._isinfinity() == -1:
-            return _Zero
-
-        # exp(0) = 1
-        if not self:
-            return _One
-
-        # exp(Infinity) = Infinity
-        if self._isinfinity() == 1:
-            return Decimal(self)
-
-        # the result is now guaranteed to be inexact (the true
-        # mathematical result is transcendental). There's no need to
-        # raise Rounded and Inexact here---they'll always be raised as
-        # a result of the call to _fix.
-        p = context.prec
-        adj = self.adjusted()
-
-        # we only need to do any computation for quite a small range
-        # of adjusted exponents---for example, -29 <= adj <= 10 for
-        # the default context.  For smaller exponent the result is
-        # indistinguishable from 1 at the given precision, while for
-        # larger exponent the result either overflows or underflows.
-        if self._sign == 0 and adj > len(str((context.Emax+1)*3)):
-            # overflow
-            ans = _dec_from_triple(0, '1', context.Emax+1)
-        elif self._sign == 1 and adj > len(str((-context.Etiny()+1)*3)):
-            # underflow to 0
-            ans = _dec_from_triple(0, '1', context.Etiny()-1)
-        elif self._sign == 0 and adj < -p:
-            # p+1 digits; final round will raise correct flags
-            ans = _dec_from_triple(0, '1' + '0'*(p-1) + '1', -p)
-        elif self._sign == 1 and adj < -p-1:
-            # p+1 digits; final round will raise correct flags
-            ans = _dec_from_triple(0, '9'*(p+1), -p-1)
-        # general case
-        else:
-            op = _WorkRep(self)
-            c, e = op.int, op.exp
-            if op.sign == 1:
-                c = -c
-
-            # compute correctly rounded result: increase precision by
-            # 3 digits at a time until we get an unambiguously
-            # roundable result
-            extra = 3
-            while True:
-                coeff, exp = _dexp(c, e, p+extra)
-                if coeff % (5*10**(len(str(coeff))-p-1)):
-                    break
-                extra += 3
-
-            ans = _dec_from_triple(0, str(coeff), exp)
-
-        # at this stage, ans should round correctly with *any*
-        # rounding mode, not just with ROUND_HALF_EVEN
-        context = context._shallow_copy()
-        rounding = context._set_rounding(ROUND_HALF_EVEN)
-        ans = ans._fix(context)
-        context.rounding = rounding
-
-        return ans
-
-    def is_canonical(self):
-        """Return True if self is canonical; otherwise return False.
-
-        Currently, the encoding of a Decimal instance is always
-        canonical, so this method returns True for any Decimal.
-        """
-        return True
-
-    def is_finite(self):
-        """Return True if self is finite; otherwise return False.
-
-        A Decimal instance is considered finite if it is neither
-        infinite nor a NaN.
-        """
-        return not self._is_special
-
-    def is_infinite(self):
-        """Return True if self is infinite; otherwise return False."""
-        return self._exp == 'F'
-
-    def is_nan(self):
-        """Return True if self is a qNaN or sNaN; otherwise return False."""
-        return self._exp in ('n', 'N')
-
-    def is_normal(self, context=None):
-        """Return True if self is a normal number; otherwise return False."""
-        if self._is_special or not self:
-            return False
-        if context is None:
-            context = getcontext()
-        return context.Emin <= self.adjusted()
-
-    def is_qnan(self):
-        """Return True if self is a quiet NaN; otherwise return False."""
-        return self._exp == 'n'
-
-    def is_signed(self):
-        """Return True if self is negative; otherwise return False."""
-        return self._sign == 1
-
-    def is_snan(self):
-        """Return True if self is a signaling NaN; otherwise return False."""
-        return self._exp == 'N'
-
-    def is_subnormal(self, context=None):
-        """Return True if self is subnormal; otherwise return False."""
-        if self._is_special or not self:
-            return False
-        if context is None:
-            context = getcontext()
-        return self.adjusted() < context.Emin
-
-    def is_zero(self):
-        """Return True if self is a zero; otherwise return False."""
-        return not self._is_special and self._int == '0'
-
-    def _ln_exp_bound(self):
-        """Compute a lower bound for the adjusted exponent of self.ln().
-        In other words, compute r such that self.ln() >= 10**r.  Assumes
-        that self is finite and positive and that self != 1.
-        """
-
-        # for 0.1 <= x <= 10 we use the inequalities 1-1/x <= ln(x) <= x-1
-        adj = self._exp + len(self._int) - 1
-        if adj >= 1:
-            # argument >= 10; we use 23/10 = 2.3 as a lower bound for ln(10)
-            return len(str(adj*23//10)) - 1
-        if adj <= -2:
-            # argument <= 0.1
-            return len(str((-1-adj)*23//10)) - 1
-        op = _WorkRep(self)
-        c, e = op.int, op.exp
-        if adj == 0:
-            # 1 < self < 10
-            num = str(c-10**-e)
-            den = str(c)
-            return len(num) - len(den) - (num < den)
-        # adj == -1, 0.1 <= self < 1
-        return e + len(str(10**-e - c)) - 1
-
-
-    def ln(self, context=None):
-        """Returns the natural (base e) logarithm of self."""
-
-        if context is None:
-            context = getcontext()
-
-        # ln(NaN) = NaN
-        ans = self._check_nans(context=context)
-        if ans:
-            return ans
-
-        # ln(0.0) == -Infinity
-        if not self:
-            return _NegativeInfinity
-
-        # ln(Infinity) = Infinity
-        if self._isinfinity() == 1:
-            return _Infinity
-
-        # ln(1.0) == 0.0
-        if self == _One:
-            return _Zero
-
-        # ln(negative) raises InvalidOperation
-        if self._sign == 1:
-            return context._raise_error(InvalidOperation,
-                                        'ln of a negative value')
-
-        # result is irrational, so necessarily inexact
-        op = _WorkRep(self)
-        c, e = op.int, op.exp
-        p = context.prec
-
-        # correctly rounded result: repeatedly increase precision by 3
-        # until we get an unambiguously roundable result
-        places = p - self._ln_exp_bound() + 2 # at least p+3 places
-        while True:
-            coeff = _dlog(c, e, places)
-            # assert len(str(abs(coeff)))-p >= 1
-            if coeff % (5*10**(len(str(abs(coeff)))-p-1)):
-                break
-            places += 3
-        ans = _dec_from_triple(int(coeff<0), str(abs(coeff)), -places)
-
-        context = context._shallow_copy()
-        rounding = context._set_rounding(ROUND_HALF_EVEN)
-        ans = ans._fix(context)
-        context.rounding = rounding
-        return ans
-
-    def _log10_exp_bound(self):
-        """Compute a lower bound for the adjusted exponent of self.log10().
-        In other words, find r such that self.log10() >= 10**r.
-        Assumes that self is finite and positive and that self != 1.
-        """
-
-        # For x >= 10 or x < 0.1 we only need a bound on the integer
-        # part of log10(self), and this comes directly from the
-        # exponent of x.  For 0.1 <= x <= 10 we use the inequalities
-        # 1-1/x <= log(x) <= x-1. If x > 1 we have |log10(x)| >
-        # (1-1/x)/2.31 > 0.  If x < 1 then |log10(x)| > (1-x)/2.31 > 0
-
-        adj = self._exp + len(self._int) - 1
-        if adj >= 1:
-            # self >= 10
-            return len(str(adj))-1
-        if adj <= -2:
-            # self < 0.1
-            return len(str(-1-adj))-1
-        op = _WorkRep(self)
-        c, e = op.int, op.exp
-        if adj == 0:
-            # 1 < self < 10
-            num = str(c-10**-e)
-            den = str(231*c)
-            return len(num) - len(den) - (num < den) + 2
-        # adj == -1, 0.1 <= self < 1
-        num = str(10**-e-c)
-        return len(num) + e - (num < "231") - 1
-
-    def log10(self, context=None):
-        """Returns the base 10 logarithm of self."""
-
-        if context is None:
-            context = getcontext()
-
-        # log10(NaN) = NaN
-        ans = self._check_nans(context=context)
-        if ans:
-            return ans
-
-        # log10(0.0) == -Infinity
-        if not self:
-            return _NegativeInfinity
-
-        # log10(Infinity) = Infinity
-        if self._isinfinity() == 1:
-            return _Infinity
-
-        # log10(negative or -Infinity) raises InvalidOperation
-        if self._sign == 1:
-            return context._raise_error(InvalidOperation,
-                                        'log10 of a negative value')
-
-        # log10(10**n) = n
-        if self._int[0] == '1' and self._int[1:] == '0'*(len(self._int) - 1):
-            # answer may need rounding
-            ans = Decimal(self._exp + len(self._int) - 1)
-        else:
-            # result is irrational, so necessarily inexact
-            op = _WorkRep(self)
-            c, e = op.int, op.exp
-            p = context.prec
-
-            # correctly rounded result: repeatedly increase precision
-            # until result is unambiguously roundable
-            places = p-self._log10_exp_bound()+2
-            while True:
-                coeff = _dlog10(c, e, places)
-                # assert len(str(abs(coeff)))-p >= 1
-                if coeff % (5*10**(len(str(abs(coeff)))-p-1)):
-                    break
-                places += 3
-            ans = _dec_from_triple(int(coeff<0), str(abs(coeff)), -places)
-
-        context = context._shallow_copy()
-        rounding = context._set_rounding(ROUND_HALF_EVEN)
-        ans = ans._fix(context)
-        context.rounding = rounding
-        return ans
-
-    def logb(self, context=None):
-        """ Returns the exponent of the magnitude of self's MSD.
-
-        The result is the integer which is the exponent of the magnitude
-        of the most significant digit of self (as though it were truncated
-        to a single digit while maintaining the value of that digit and
-        without limiting the resulting exponent).
-        """
-        # logb(NaN) = NaN
-        ans = self._check_nans(context=context)
-        if ans:
-            return ans
-
-        if context is None:
-            context = getcontext()
-
-        # logb(+/-Inf) = +Inf
-        if self._isinfinity():
-            return _Infinity
-
-        # logb(0) = -Inf, DivisionByZero
-        if not self:
-            return context._raise_error(DivisionByZero, 'logb(0)', 1)
-
-        # otherwise, simply return the adjusted exponent of self, as a
-        # Decimal.  Note that no attempt is made to fit the result
-        # into the current context.
-        ans = Decimal(self.adjusted())
-        return ans._fix(context)
-
-    def _islogical(self):
-        """Return True if self is a logical operand.
-
-        For being logical, it must be a finite number with a sign of 0,
-        an exponent of 0, and a coefficient whose digits must all be
-        either 0 or 1.
-        """
-        if self._sign != 0 or self._exp != 0:
-            return False
-        for dig in self._int:
-            if dig not in '01':
-                return False
-        return True
-
-    def _fill_logical(self, context, opa, opb):
-        dif = context.prec - len(opa)
-        if dif > 0:
-            opa = '0'*dif + opa
-        elif dif < 0:
-            opa = opa[-context.prec:]
-        dif = context.prec - len(opb)
-        if dif > 0:
-            opb = '0'*dif + opb
-        elif dif < 0:
-            opb = opb[-context.prec:]
-        return opa, opb
-
-    def logical_and(self, other, context=None):
-        """Applies an 'and' operation between self and other's digits."""
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        if not self._islogical() or not other._islogical():
-            return context._raise_error(InvalidOperation)
-
-        # fill to context.prec
-        (opa, opb) = self._fill_logical(context, self._int, other._int)
-
-        # make the operation, and clean starting zeroes
-        result = "".join([str(int(a)&int(b)) for a,b in zip(opa,opb)])
-        return _dec_from_triple(0, result.lstrip('0') or '0', 0)
-
-    def logical_invert(self, context=None):
-        """Invert all its digits."""
-        if context is None:
-            context = getcontext()
-        return self.logical_xor(_dec_from_triple(0,'1'*context.prec,0),
-                                context)
-
-    def logical_or(self, other, context=None):
-        """Applies an 'or' operation between self and other's digits."""
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        if not self._islogical() or not other._islogical():
-            return context._raise_error(InvalidOperation)
-
-        # fill to context.prec
-        (opa, opb) = self._fill_logical(context, self._int, other._int)
-
-        # make the operation, and clean starting zeroes
-        result = "".join([str(int(a)|int(b)) for a,b in zip(opa,opb)])
-        return _dec_from_triple(0, result.lstrip('0') or '0', 0)
-
-    def logical_xor(self, other, context=None):
-        """Applies an 'xor' operation between self and other's digits."""
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        if not self._islogical() or not other._islogical():
-            return context._raise_error(InvalidOperation)
-
-        # fill to context.prec
-        (opa, opb) = self._fill_logical(context, self._int, other._int)
-
-        # make the operation, and clean starting zeroes
-        result = "".join([str(int(a)^int(b)) for a,b in zip(opa,opb)])
-        return _dec_from_triple(0, result.lstrip('0') or '0', 0)
-
-    def max_mag(self, other, context=None):
-        """Compares the values numerically with their sign ignored."""
-        other = _convert_other(other, raiseit=True)
-
-        if context is None:
-            context = getcontext()
-
-        if self._is_special or other._is_special:
-            # If one operand is a quiet NaN and the other is number, then the
-            # number is always returned
-            sn = self._isnan()
-            on = other._isnan()
-            if sn or on:
-                if on == 1 and sn == 0:
-                    return self._fix(context)
-                if sn == 1 and on == 0:
-                    return other._fix(context)
-                return self._check_nans(other, context)
-
-        c = self.copy_abs()._cmp(other.copy_abs())
-        if c == 0:
-            c = self.compare_total(other)
-
-        if c == -1:
-            ans = other
-        else:
-            ans = self
-
-        return ans._fix(context)
-
-    def min_mag(self, other, context=None):
-        """Compares the values numerically with their sign ignored."""
-        other = _convert_other(other, raiseit=True)
-
-        if context is None:
-            context = getcontext()
-
-        if self._is_special or other._is_special:
-            # If one operand is a quiet NaN and the other is number, then the
-            # number is always returned
-            sn = self._isnan()
-            on = other._isnan()
-            if sn or on:
-                if on == 1 and sn == 0:
-                    return self._fix(context)
-                if sn == 1 and on == 0:
-                    return other._fix(context)
-                return self._check_nans(other, context)
-
-        c = self.copy_abs()._cmp(other.copy_abs())
-        if c == 0:
-            c = self.compare_total(other)
-
-        if c == -1:
-            ans = self
-        else:
-            ans = other
-
-        return ans._fix(context)
-
-    def next_minus(self, context=None):
-        """Returns the largest representable number smaller than itself."""
-        if context is None:
-            context = getcontext()
-
-        ans = self._check_nans(context=context)
-        if ans:
-            return ans
-
-        if self._isinfinity() == -1:
-            return _NegativeInfinity
-        if self._isinfinity() == 1:
-            return _dec_from_triple(0, '9'*context.prec, context.Etop())
-
-        context = context.copy()
-        context._set_rounding(ROUND_FLOOR)
-        context._ignore_all_flags()
-        new_self = self._fix(context)
-        if new_self != self:
-            return new_self
-        return self.__sub__(_dec_from_triple(0, '1', context.Etiny()-1),
-                            context)
-
-    def next_plus(self, context=None):
-        """Returns the smallest representable number larger than itself."""
-        if context is None:
-            context = getcontext()
-
-        ans = self._check_nans(context=context)
-        if ans:
-            return ans
-
-        if self._isinfinity() == 1:
-            return _Infinity
-        if self._isinfinity() == -1:
-            return _dec_from_triple(1, '9'*context.prec, context.Etop())
-
-        context = context.copy()
-        context._set_rounding(ROUND_CEILING)
-        context._ignore_all_flags()
-        new_self = self._fix(context)
-        if new_self != self:
-            return new_self
-        return self.__add__(_dec_from_triple(0, '1', context.Etiny()-1),
-                            context)
-
-    def next_toward(self, other, context=None):
-        """Returns the number closest to self, in the direction towards other.
-
-        The result is the closest representable number to self
-        (excluding self) that is in the direction towards other,
-        unless both have the same value.  If the two operands are
-        numerically equal, then the result is a copy of self with the
-        sign set to be the same as the sign of other.
-        """
-        other = _convert_other(other, raiseit=True)
-
-        if context is None:
-            context = getcontext()
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        comparison = self._cmp(other)
-        if comparison == 0:
-            return self.copy_sign(other)
-
-        if comparison == -1:
-            ans = self.next_plus(context)
-        else: # comparison == 1
-            ans = self.next_minus(context)
-
-        # decide which flags to raise using value of ans
-        if ans._isinfinity():
-            context._raise_error(Overflow,
-                                 'Infinite result from next_toward',
-                                 ans._sign)
-            context._raise_error(Inexact)
-            context._raise_error(Rounded)
-        elif ans.adjusted() < context.Emin:
-            context._raise_error(Underflow)
-            context._raise_error(Subnormal)
-            context._raise_error(Inexact)
-            context._raise_error(Rounded)
-            # if precision == 1 then we don't raise Clamped for a
-            # result 0E-Etiny.
-            if not ans:
-                context._raise_error(Clamped)
-
-        return ans
-
-    def number_class(self, context=None):
-        """Returns an indication of the class of self.
-
-        The class is one of the following strings:
-          sNaN
-          NaN
-          -Infinity
-          -Normal
-          -Subnormal
-          -Zero
-          +Zero
-          +Subnormal
-          +Normal
-          +Infinity
-        """
-        if self.is_snan():
-            return "sNaN"
-        if self.is_qnan():
-            return "NaN"
-        inf = self._isinfinity()
-        if inf == 1:
-            return "+Infinity"
-        if inf == -1:
-            return "-Infinity"
-        if self.is_zero():
-            if self._sign:
-                return "-Zero"
-            else:
-                return "+Zero"
-        if context is None:
-            context = getcontext()
-        if self.is_subnormal(context=context):
-            if self._sign:
-                return "-Subnormal"
-            else:
-                return "+Subnormal"
-        # just a normal, regular, boring number, :)
-        if self._sign:
-            return "-Normal"
-        else:
-            return "+Normal"
-
-    def radix(self):
-        """Just returns 10, as this is Decimal, :)"""
-        return Decimal(10)
-
-    def rotate(self, other, context=None):
-        """Returns a rotated copy of self, value-of-other times."""
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        if other._exp != 0:
-            return context._raise_error(InvalidOperation)
-        if not (-context.prec <= int(other) <= context.prec):
-            return context._raise_error(InvalidOperation)
-
-        if self._isinfinity():
-            return Decimal(self)
-
-        # get values, pad if necessary
-        torot = int(other)
-        rotdig = self._int
-        topad = context.prec - len(rotdig)
-        if topad > 0:
-            rotdig = '0'*topad + rotdig
-        elif topad < 0:
-            rotdig = rotdig[-topad:]
-
-        # let's rotate!
-        rotated = rotdig[torot:] + rotdig[:torot]
-        return _dec_from_triple(self._sign,
-                                rotated.lstrip('0') or '0', self._exp)
-
-    def scaleb(self, other, context=None):
-        """Returns self operand after adding the second value to its exp."""
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        if other._exp != 0:
-            return context._raise_error(InvalidOperation)
-        liminf = -2 * (context.Emax + context.prec)
-        limsup =  2 * (context.Emax + context.prec)
-        if not (liminf <= int(other) <= limsup):
-            return context._raise_error(InvalidOperation)
-
-        if self._isinfinity():
-            return Decimal(self)
-
-        d = _dec_from_triple(self._sign, self._int, self._exp + int(other))
-        d = d._fix(context)
-        return d
-
-    def shift(self, other, context=None):
-        """Returns a shifted copy of self, value-of-other times."""
-        if context is None:
-            context = getcontext()
-
-        other = _convert_other(other, raiseit=True)
-
-        ans = self._check_nans(other, context)
-        if ans:
-            return ans
-
-        if other._exp != 0:
-            return context._raise_error(InvalidOperation)
-        if not (-context.prec <= int(other) <= context.prec):
-            return context._raise_error(InvalidOperation)
-
-        if self._isinfinity():
-            return Decimal(self)
-
-        # get values, pad if necessary
-        torot = int(other)
-        rotdig = self._int
-        topad = context.prec - len(rotdig)
-        if topad > 0:
-            rotdig = '0'*topad + rotdig
-        elif topad < 0:
-            rotdig = rotdig[-topad:]
-
-        # let's shift!
-        if torot < 0:
-            shifted = rotdig[:torot]
-        else:
-            shifted = rotdig + '0'*torot
-            shifted = shifted[-context.prec:]
-
-        return _dec_from_triple(self._sign,
-                                    shifted.lstrip('0') or '0', self._exp)
-
-    # Support for pickling, copy, and deepcopy
-    def __reduce__(self):
-        return (self.__class__, (str(self),))
-
-    def __copy__(self):
-        if type(self) is Decimal:
-            return self     # I'm immutable; therefore I am my own clone
-        return self.__class__(str(self))
-
-    def __deepcopy__(self, memo):
-        if type(self) is Decimal:
-            return self     # My components are also immutable
-        return self.__class__(str(self))
-
-    # PEP 3101 support.  the _localeconv keyword argument should be
-    # considered private: it's provided for ease of testing only.
-    def __format__(self, specifier, context=None, _localeconv=None):
-        """Format a Decimal instance according to the given specifier.
-
-        The specifier should be a standard format specifier, with the
-        form described in PEP 3101.  Formatting types 'e', 'E', 'f',
-        'F', 'g', 'G', 'n' and '%' are supported.  If the formatting
-        type is omitted it defaults to 'g' or 'G', depending on the
-        value of context.capitals.
-        """
-
-        # Note: PEP 3101 says that if the type is not present then
-        # there should be at least one digit after the decimal point.
-        # We take the liberty of ignoring this requirement for
-        # Decimal---it's presumably there to make sure that
-        # format(float, '') behaves similarly to str(float).
-        if context is None:
-            context = getcontext()
-
-        spec = _parse_format_specifier(specifier, _localeconv=_localeconv)
-
-        # special values don't care about the type or precision
-        if self._is_special:
-            sign = _format_sign(self._sign, spec)
-            body = str(self.copy_abs())
-            if spec['type'] == '%':
-                body += '%'
-            return _format_align(sign, body, spec)
-
-        # a type of None defaults to 'g' or 'G', depending on context
-        if spec['type'] is None:
-            spec['type'] = ['g', 'G'][context.capitals]
-
-        # if type is '%', adjust exponent of self accordingly
-        if spec['type'] == '%':
-            self = _dec_from_triple(self._sign, self._int, self._exp+2)
-
-        # round if necessary, taking rounding mode from the context
-        rounding = context.rounding
-        precision = spec['precision']
-        if precision is not None:
-            if spec['type'] in 'eE':
-                self = self._round(precision+1, rounding)
-            elif spec['type'] in 'fF%':
-                self = self._rescale(-precision, rounding)
-            elif spec['type'] in 'gG' and len(self._int) > precision:
-                self = self._round(precision, rounding)
-        # special case: zeros with a positive exponent can't be
-        # represented in fixed point; rescale them to 0e0.
-        if not self and self._exp > 0 and spec['type'] in 'fF%':
-            self = self._rescale(0, rounding)
-
-        # figure out placement of the decimal point
-        leftdigits = self._exp + len(self._int)
-        if spec['type'] in 'eE':
-            if not self and precision is not None:
-                dotplace = 1 - precision
-            else:
-                dotplace = 1
-        elif spec['type'] in 'fF%':
-            dotplace = leftdigits
-        elif spec['type'] in 'gG':
-            if self._exp <= 0 and leftdigits > -6:
-                dotplace = leftdigits
-            else:
-                dotplace = 1
-
-        # find digits before and after decimal point, and get exponent
-        if dotplace < 0:
-            intpart = '0'
-            fracpart = '0'*(-dotplace) + self._int
-        elif dotplace > len(self._int):
-            intpart = self._int + '0'*(dotplace-len(self._int))
-            fracpart = ''
-        else:
-            intpart = self._int[:dotplace] or '0'
-            fracpart = self._int[dotplace:]
-        exp = leftdigits-dotplace
-
-        # done with the decimal-specific stuff;  hand over the rest
-        # of the formatting to the _format_number function
-        return _format_number(self._sign, intpart, fracpart, exp, spec)
-
-def _dec_from_triple(sign, coefficient, exponent, special=False):
-    """Create a decimal instance directly, without any validation,
-    normalization (e.g. removal of leading zeros) or argument
-    conversion.
-
-    This function is for *internal use only*.
-    """
-
-    self = object.__new__(Decimal)
-    self._sign = sign
-    self._int = coefficient
-    self._exp = exponent
-    self._is_special = special
-
-    return self
-
-# Register Decimal as a kind of Number (an abstract base class).
-# However, do not register it as Real (because Decimals are not
-# interoperable with floats).
-_numbers.Number.register(Decimal)
-
-
-##### Context class #######################################################
-
-class _ContextManager(object):
-    """Context manager class to support localcontext().
-
-      Sets a copy of the supplied context in __enter__() and restores
-      the previous decimal context in __exit__()
-    """
-    def __init__(self, new_context):
-        self.new_context = new_context.copy()
-    def __enter__(self):
-        self.saved_context = getcontext()
-        setcontext(self.new_context)
-        return self.new_context
-    def __exit__(self, t, v, tb):
-        setcontext(self.saved_context)
-
-class Context(object):
-    """Contains the context for a Decimal instance.
-
-    Contains:
-    prec - precision (for use in rounding, division, square roots..)
-    rounding - rounding type (how you round)
-    traps - If traps[exception] = 1, then the exception is
-                    raised when it is caused.  Otherwise, a value is
-                    substituted in.
-    flags  - When an exception is caused, flags[exception] is set.
-             (Whether or not the trap_enabler is set)
-             Should be reset by user of Decimal instance.
-    Emin -   Minimum exponent
-    Emax -   Maximum exponent
-    capitals -      If 1, 1*10^1 is printed as 1E+1.
-                    If 0, printed as 1e1
-    clamp -  If 1, change exponents if too high (Default 0)
-    """
-
-    def __init__(self, prec=None, rounding=None, Emin=None, Emax=None,
-                       capitals=None, clamp=None, flags=None, traps=None,
-                       _ignored_flags=None):
-        # Set defaults; for everything except flags and _ignored_flags,
-        # inherit from DefaultContext.
-        try:
-            dc = DefaultContext
-        except NameError:
-            pass
-
-        self.prec = prec if prec is not None else dc.prec
-        self.rounding = rounding if rounding is not None else dc.rounding
-        self.Emin = Emin if Emin is not None else dc.Emin
-        self.Emax = Emax if Emax is not None else dc.Emax
-        self.capitals = capitals if capitals is not None else dc.capitals
-        self.clamp = clamp if clamp is not None else dc.clamp
-
-        if _ignored_flags is None:
-            self._ignored_flags = []
-        else:
-            self._ignored_flags = _ignored_flags
-
-        if traps is None:
-            self.traps = dc.traps.copy()
-        elif not isinstance(traps, dict):
-            self.traps = dict((s, int(s in traps)) for s in _signals + traps)
-        else:
-            self.traps = traps
-
-        if flags is None:
-            self.flags = dict.fromkeys(_signals, 0)
-        elif not isinstance(flags, dict):
-            self.flags = dict((s, int(s in flags)) for s in _signals + flags)
-        else:
-            self.flags = flags
-
-    def _set_integer_check(self, name, value, vmin, vmax):
-        if not isinstance(value, int):
-            raise TypeError("%s must be an integer" % name)
-        if vmin == '-inf':
-            if value > vmax:
-                raise ValueError("%s must be in [%s, %d]. got: %s" % (name, vmin, vmax, value))
-        elif vmax == 'inf':
-            if value < vmin:
-                raise ValueError("%s must be in [%d, %s]. got: %s" % (name, vmin, vmax, value))
-        else:
-            if value < vmin or value > vmax:
-                raise ValueError("%s must be in [%d, %d]. got %s" % (name, vmin, vmax, value))
-        return object.__setattr__(self, name, value)
-
-    def _set_signal_dict(self, name, d):
-        if not isinstance(d, dict):
-            raise TypeError("%s must be a signal dict" % d)
-        for key in d:
-            if not key in _signals:
-                raise KeyError("%s is not a valid signal dict" % d)
-        for key in _signals:
-            if not key in d:
-                raise KeyError("%s is not a valid signal dict" % d)
-        return object.__setattr__(self, name, d)
-
-    def __setattr__(self, name, value):
-        if name == 'prec':
-            return self._set_integer_check(name, value, 1, 'inf')
-        elif name == 'Emin':
-            return self._set_integer_check(name, value, '-inf', 0)
-        elif name == 'Emax':
-            return self._set_integer_check(name, value, 0, 'inf')
-        elif name == 'capitals':
-            return self._set_integer_check(name, value, 0, 1)
-        elif name == 'clamp':
-            return self._set_integer_check(name, value, 0, 1)
-        elif name == 'rounding':
-            if not value in _rounding_modes:
-                # raise TypeError even for strings to have consistency
-                # among various implementations.
-                raise TypeError("%s: invalid rounding mode" % value)
-            return object.__setattr__(self, name, value)
-        elif name == 'flags' or name == 'traps':
-            return self._set_signal_dict(name, value)
-        elif name == '_ignored_flags':
-            return object.__setattr__(self, name, value)
-        else:
-            raise AttributeError(
-                "'decimal.Context' object has no attribute '%s'" % name)
-
-    def __delattr__(self, name):
-        raise AttributeError("%s cannot be deleted" % name)
-
-    # Support for pickling, copy, and deepcopy
-    def __reduce__(self):
-        flags = [sig for sig, v in self.flags.items() if v]
-        traps = [sig for sig, v in self.traps.items() if v]
-        return (self.__class__,
-                (self.prec, self.rounding, self.Emin, self.Emax,
-                 self.capitals, self.clamp, flags, traps))
-
-    def __repr__(self):
-        """Show the current context."""
-        s = []
-        s.append('Context(prec=%(prec)d, rounding=%(rounding)s, '
-                 'Emin=%(Emin)d, Emax=%(Emax)d, capitals=%(capitals)d, '
-                 'clamp=%(clamp)d'
-                 % vars(self))
-        names = [f.__name__ for f, v in self.flags.items() if v]
-        s.append('flags=[' + ', '.join(names) + ']')
-        names = [t.__name__ for t, v in self.traps.items() if v]
-        s.append('traps=[' + ', '.join(names) + ']')
-        return ', '.join(s) + ')'
-
-    def clear_flags(self):
-        """Reset all flags to zero"""
-        for flag in self.flags:
-            self.flags[flag] = 0
-
-    def clear_traps(self):
-        """Reset all traps to zero"""
-        for flag in self.traps:
-            self.traps[flag] = 0
-
-    def _shallow_copy(self):
-        """Returns a shallow copy from self."""
-        nc = Context(self.prec, self.rounding, self.Emin, self.Emax,
-                     self.capitals, self.clamp, self.flags, self.traps,
-                     self._ignored_flags)
-        return nc
-
-    def copy(self):
-        """Returns a deep copy from self."""
-        nc = Context(self.prec, self.rounding, self.Emin, self.Emax,
-                     self.capitals, self.clamp,
-                     self.flags.copy(), self.traps.copy(),
-                     self._ignored_flags)
-        return nc
-    __copy__ = copy
-
-    def _raise_error(self, condition, explanation = None, *args):
-        """Handles an error
-
-        If the flag is in _ignored_flags, returns the default response.
-        Otherwise, it sets the flag, then, if the corresponding
-        trap_enabler is set, it reraises the exception.  Otherwise, it returns
-        the default value after setting the flag.
-        """
-        error = _condition_map.get(condition, condition)
-        if error in self._ignored_flags:
-            # Don't touch the flag
-            return error().handle(self, *args)
-
-        self.flags[error] = 1
-        if not self.traps[error]:
-            # The errors define how to handle themselves.
-            return condition().handle(self, *args)
-
-        # Errors should only be risked on copies of the context
-        # self._ignored_flags = []
-        raise error(explanation)
-
-    def _ignore_all_flags(self):
-        """Ignore all flags, if they are raised"""
-        return self._ignore_flags(*_signals)
-
-    def _ignore_flags(self, *flags):
-        """Ignore the flags, if they are raised"""
-        # Do not mutate-- This way, copies of a context leave the original
-        # alone.
-        self._ignored_flags = (self._ignored_flags + list(flags))
-        return list(flags)
-
-    def _regard_flags(self, *flags):
-        """Stop ignoring the flags, if they are raised"""
-        if flags and isinstance(flags[0], (tuple,list)):
-            flags = flags[0]
-        for flag in flags:
-            self._ignored_flags.remove(flag)
-
-    # We inherit object.__hash__, so we must deny this explicitly
-    __hash__ = None
-
-    def Etiny(self):
-        """Returns Etiny (= Emin - prec + 1)"""
-        return int(self.Emin - self.prec + 1)
-
-    def Etop(self):
-        """Returns maximum exponent (= Emax - prec + 1)"""
-        return int(self.Emax - self.prec + 1)
-
-    def _set_rounding(self, type):
-        """Sets the rounding type.
-
-        Sets the rounding type, and returns the current (previous)
-        rounding type.  Often used like:
-
-        context = context.copy()
-        # so you don't change the calling context
-        # if an error occurs in the middle.
-        rounding = context._set_rounding(ROUND_UP)
-        val = self.__sub__(other, context=context)
-        context._set_rounding(rounding)
-
-        This will make it round up for that operation.
-        """
-        rounding = self.rounding
-        self.rounding= type
-        return rounding
-
-    def create_decimal(self, num='0'):
-        """Creates a new Decimal instance but using self as context.
-
-        This method implements the to-number operation of the
-        IBM Decimal specification."""
-
-        if isinstance(num, str) and num != num.strip():
-            return self._raise_error(ConversionSyntax,
-                                     "no trailing or leading whitespace is "
-                                     "permitted.")
-
-        d = Decimal(num, context=self)
-        if d._isnan() and len(d._int) > self.prec - self.clamp:
-            return self._raise_error(ConversionSyntax,
-                                     "diagnostic info too long in NaN")
-        return d._fix(self)
-
-    def create_decimal_from_float(self, f):
-        """Creates a new Decimal instance from a float but rounding using self
-        as the context.
-
-        >>> context = Context(prec=5, rounding=ROUND_DOWN)
-        >>> context.create_decimal_from_float(3.1415926535897932)
-        Decimal('3.1415')
-        >>> context = Context(prec=5, traps=[Inexact])
-        >>> context.create_decimal_from_float(3.1415926535897932)
-        Traceback (most recent call last):
-            ...
-        decimal.Inexact: None
-
-        """
-        d = Decimal.from_float(f)       # An exact conversion
-        return d._fix(self)             # Apply the context rounding
-
-    # Methods
-    def abs(self, a):
-        """Returns the absolute value of the operand.
-
-        If the operand is negative, the result is the same as using the minus
-        operation on the operand.  Otherwise, the result is the same as using
-        the plus operation on the operand.
-
-        >>> ExtendedContext.abs(Decimal('2.1'))
-        Decimal('2.1')
-        >>> ExtendedContext.abs(Decimal('-100'))
-        Decimal('100')
-        >>> ExtendedContext.abs(Decimal('101.5'))
-        Decimal('101.5')
-        >>> ExtendedContext.abs(Decimal('-101.5'))
-        Decimal('101.5')
-        >>> ExtendedContext.abs(-1)
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.__abs__(context=self)
-
-    def add(self, a, b):
-        """Return the sum of the two operands.
-
-        >>> ExtendedContext.add(Decimal('12'), Decimal('7.00'))
-        Decimal('19.00')
-        >>> ExtendedContext.add(Decimal('1E+2'), Decimal('1.01E+4'))
-        Decimal('1.02E+4')
-        >>> ExtendedContext.add(1, Decimal(2))
-        Decimal('3')
-        >>> ExtendedContext.add(Decimal(8), 5)
-        Decimal('13')
-        >>> ExtendedContext.add(5, 5)
-        Decimal('10')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__add__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def _apply(self, a):
-        return str(a._fix(self))
-
-    def canonical(self, a):
-        """Returns the same Decimal object.
-
-        As we do not have different encodings for the same number, the
-        received object already is in its canonical form.
-
-        >>> ExtendedContext.canonical(Decimal('2.50'))
-        Decimal('2.50')
-        """
-        if not isinstance(a, Decimal):
-            raise TypeError("canonical requires a Decimal as an argument.")
-        return a.canonical()
-
-    def compare(self, a, b):
-        """Compares values numerically.
-
-        If the signs of the operands differ, a value representing each operand
-        ('-1' if the operand is less than zero, '0' if the operand is zero or
-        negative zero, or '1' if the operand is greater than zero) is used in
-        place of that operand for the comparison instead of the actual
-        operand.
-
-        The comparison is then effected by subtracting the second operand from
-        the first and then returning a value according to the result of the
-        subtraction: '-1' if the result is less than zero, '0' if the result is
-        zero or negative zero, or '1' if the result is greater than zero.
-
-        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('3'))
-        Decimal('-1')
-        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('2.1'))
-        Decimal('0')
-        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('2.10'))
-        Decimal('0')
-        >>> ExtendedContext.compare(Decimal('3'), Decimal('2.1'))
-        Decimal('1')
-        >>> ExtendedContext.compare(Decimal('2.1'), Decimal('-3'))
-        Decimal('1')
-        >>> ExtendedContext.compare(Decimal('-3'), Decimal('2.1'))
-        Decimal('-1')
-        >>> ExtendedContext.compare(1, 2)
-        Decimal('-1')
-        >>> ExtendedContext.compare(Decimal(1), 2)
-        Decimal('-1')
-        >>> ExtendedContext.compare(1, Decimal(2))
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.compare(b, context=self)
-
-    def compare_signal(self, a, b):
-        """Compares the values of the two operands numerically.
-
-        It's pretty much like compare(), but all NaNs signal, with signaling
-        NaNs taking precedence over quiet NaNs.
-
-        >>> c = ExtendedContext
-        >>> c.compare_signal(Decimal('2.1'), Decimal('3'))
-        Decimal('-1')
-        >>> c.compare_signal(Decimal('2.1'), Decimal('2.1'))
-        Decimal('0')
-        >>> c.flags[InvalidOperation] = 0
-        >>> print(c.flags[InvalidOperation])
-        0
-        >>> c.compare_signal(Decimal('NaN'), Decimal('2.1'))
-        Decimal('NaN')
-        >>> print(c.flags[InvalidOperation])
-        1
-        >>> c.flags[InvalidOperation] = 0
-        >>> print(c.flags[InvalidOperation])
-        0
-        >>> c.compare_signal(Decimal('sNaN'), Decimal('2.1'))
-        Decimal('NaN')
-        >>> print(c.flags[InvalidOperation])
-        1
-        >>> c.compare_signal(-1, 2)
-        Decimal('-1')
-        >>> c.compare_signal(Decimal(-1), 2)
-        Decimal('-1')
-        >>> c.compare_signal(-1, Decimal(2))
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.compare_signal(b, context=self)
-
-    def compare_total(self, a, b):
-        """Compares two operands using their abstract representation.
-
-        This is not like the standard compare, which use their numerical
-        value. Note that a total ordering is defined for all possible abstract
-        representations.
-
-        >>> ExtendedContext.compare_total(Decimal('12.73'), Decimal('127.9'))
-        Decimal('-1')
-        >>> ExtendedContext.compare_total(Decimal('-127'),  Decimal('12'))
-        Decimal('-1')
-        >>> ExtendedContext.compare_total(Decimal('12.30'), Decimal('12.3'))
-        Decimal('-1')
-        >>> ExtendedContext.compare_total(Decimal('12.30'), Decimal('12.30'))
-        Decimal('0')
-        >>> ExtendedContext.compare_total(Decimal('12.3'),  Decimal('12.300'))
-        Decimal('1')
-        >>> ExtendedContext.compare_total(Decimal('12.3'),  Decimal('NaN'))
-        Decimal('-1')
-        >>> ExtendedContext.compare_total(1, 2)
-        Decimal('-1')
-        >>> ExtendedContext.compare_total(Decimal(1), 2)
-        Decimal('-1')
-        >>> ExtendedContext.compare_total(1, Decimal(2))
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.compare_total(b)
-
-    def compare_total_mag(self, a, b):
-        """Compares two operands using their abstract representation ignoring sign.
-
-        Like compare_total, but with operand's sign ignored and assumed to be 0.
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.compare_total_mag(b)
-
-    def copy_abs(self, a):
-        """Returns a copy of the operand with the sign set to 0.
-
-        >>> ExtendedContext.copy_abs(Decimal('2.1'))
-        Decimal('2.1')
-        >>> ExtendedContext.copy_abs(Decimal('-100'))
-        Decimal('100')
-        >>> ExtendedContext.copy_abs(-1)
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.copy_abs()
-
-    def copy_decimal(self, a):
-        """Returns a copy of the decimal object.
-
-        >>> ExtendedContext.copy_decimal(Decimal('2.1'))
-        Decimal('2.1')
-        >>> ExtendedContext.copy_decimal(Decimal('-1.00'))
-        Decimal('-1.00')
-        >>> ExtendedContext.copy_decimal(1)
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return Decimal(a)
-
-    def copy_negate(self, a):
-        """Returns a copy of the operand with the sign inverted.
-
-        >>> ExtendedContext.copy_negate(Decimal('101.5'))
-        Decimal('-101.5')
-        >>> ExtendedContext.copy_negate(Decimal('-101.5'))
-        Decimal('101.5')
-        >>> ExtendedContext.copy_negate(1)
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.copy_negate()
-
-    def copy_sign(self, a, b):
-        """Copies the second operand's sign to the first one.
-
-        In detail, it returns a copy of the first operand with the sign
-        equal to the sign of the second operand.
-
-        >>> ExtendedContext.copy_sign(Decimal( '1.50'), Decimal('7.33'))
-        Decimal('1.50')
-        >>> ExtendedContext.copy_sign(Decimal('-1.50'), Decimal('7.33'))
-        Decimal('1.50')
-        >>> ExtendedContext.copy_sign(Decimal( '1.50'), Decimal('-7.33'))
-        Decimal('-1.50')
-        >>> ExtendedContext.copy_sign(Decimal('-1.50'), Decimal('-7.33'))
-        Decimal('-1.50')
-        >>> ExtendedContext.copy_sign(1, -2)
-        Decimal('-1')
-        >>> ExtendedContext.copy_sign(Decimal(1), -2)
-        Decimal('-1')
-        >>> ExtendedContext.copy_sign(1, Decimal(-2))
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.copy_sign(b)
-
-    def divide(self, a, b):
-        """Decimal division in a specified context.
-
-        >>> ExtendedContext.divide(Decimal('1'), Decimal('3'))
-        Decimal('0.333333333')
-        >>> ExtendedContext.divide(Decimal('2'), Decimal('3'))
-        Decimal('0.666666667')
-        >>> ExtendedContext.divide(Decimal('5'), Decimal('2'))
-        Decimal('2.5')
-        >>> ExtendedContext.divide(Decimal('1'), Decimal('10'))
-        Decimal('0.1')
-        >>> ExtendedContext.divide(Decimal('12'), Decimal('12'))
-        Decimal('1')
-        >>> ExtendedContext.divide(Decimal('8.00'), Decimal('2'))
-        Decimal('4.00')
-        >>> ExtendedContext.divide(Decimal('2.400'), Decimal('2.0'))
-        Decimal('1.20')
-        >>> ExtendedContext.divide(Decimal('1000'), Decimal('100'))
-        Decimal('10')
-        >>> ExtendedContext.divide(Decimal('1000'), Decimal('1'))
-        Decimal('1000')
-        >>> ExtendedContext.divide(Decimal('2.40E+6'), Decimal('2'))
-        Decimal('1.20E+6')
-        >>> ExtendedContext.divide(5, 5)
-        Decimal('1')
-        >>> ExtendedContext.divide(Decimal(5), 5)
-        Decimal('1')
-        >>> ExtendedContext.divide(5, Decimal(5))
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__truediv__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def divide_int(self, a, b):
-        """Divides two numbers and returns the integer part of the result.
-
-        >>> ExtendedContext.divide_int(Decimal('2'), Decimal('3'))
-        Decimal('0')
-        >>> ExtendedContext.divide_int(Decimal('10'), Decimal('3'))
-        Decimal('3')
-        >>> ExtendedContext.divide_int(Decimal('1'), Decimal('0.3'))
-        Decimal('3')
-        >>> ExtendedContext.divide_int(10, 3)
-        Decimal('3')
-        >>> ExtendedContext.divide_int(Decimal(10), 3)
-        Decimal('3')
-        >>> ExtendedContext.divide_int(10, Decimal(3))
-        Decimal('3')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__floordiv__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def divmod(self, a, b):
-        """Return (a // b, a % b).
-
-        >>> ExtendedContext.divmod(Decimal(8), Decimal(3))
-        (Decimal('2'), Decimal('2'))
-        >>> ExtendedContext.divmod(Decimal(8), Decimal(4))
-        (Decimal('2'), Decimal('0'))
-        >>> ExtendedContext.divmod(8, 4)
-        (Decimal('2'), Decimal('0'))
-        >>> ExtendedContext.divmod(Decimal(8), 4)
-        (Decimal('2'), Decimal('0'))
-        >>> ExtendedContext.divmod(8, Decimal(4))
-        (Decimal('2'), Decimal('0'))
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__divmod__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def exp(self, a):
-        """Returns e ** a.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.exp(Decimal('-Infinity'))
-        Decimal('0')
-        >>> c.exp(Decimal('-1'))
-        Decimal('0.367879441')
-        >>> c.exp(Decimal('0'))
-        Decimal('1')
-        >>> c.exp(Decimal('1'))
-        Decimal('2.71828183')
-        >>> c.exp(Decimal('0.693147181'))
-        Decimal('2.00000000')
-        >>> c.exp(Decimal('+Infinity'))
-        Decimal('Infinity')
-        >>> c.exp(10)
-        Decimal('22026.4658')
-        """
-        a =_convert_other(a, raiseit=True)
-        return a.exp(context=self)
-
-    def fma(self, a, b, c):
-        """Returns a multiplied by b, plus c.
-
-        The first two operands are multiplied together, using multiply,
-        the third operand is then added to the result of that
-        multiplication, using add, all with only one final rounding.
-
-        >>> ExtendedContext.fma(Decimal('3'), Decimal('5'), Decimal('7'))
-        Decimal('22')
-        >>> ExtendedContext.fma(Decimal('3'), Decimal('-5'), Decimal('7'))
-        Decimal('-8')
-        >>> ExtendedContext.fma(Decimal('888565290'), Decimal('1557.96930'), Decimal('-86087.7578'))
-        Decimal('1.38435736E+12')
-        >>> ExtendedContext.fma(1, 3, 4)
-        Decimal('7')
-        >>> ExtendedContext.fma(1, Decimal(3), 4)
-        Decimal('7')
-        >>> ExtendedContext.fma(1, 3, Decimal(4))
-        Decimal('7')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.fma(b, c, context=self)
-
-    def is_canonical(self, a):
-        """Return True if the operand is canonical; otherwise return False.
-
-        Currently, the encoding of a Decimal instance is always
-        canonical, so this method returns True for any Decimal.
-
-        >>> ExtendedContext.is_canonical(Decimal('2.50'))
-        True
-        """
-        if not isinstance(a, Decimal):
-            raise TypeError("is_canonical requires a Decimal as an argument.")
-        return a.is_canonical()
-
-    def is_finite(self, a):
-        """Return True if the operand is finite; otherwise return False.
-
-        A Decimal instance is considered finite if it is neither
-        infinite nor a NaN.
-
-        >>> ExtendedContext.is_finite(Decimal('2.50'))
-        True
-        >>> ExtendedContext.is_finite(Decimal('-0.3'))
-        True
-        >>> ExtendedContext.is_finite(Decimal('0'))
-        True
-        >>> ExtendedContext.is_finite(Decimal('Inf'))
-        False
-        >>> ExtendedContext.is_finite(Decimal('NaN'))
-        False
-        >>> ExtendedContext.is_finite(1)
-        True
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_finite()
-
-    def is_infinite(self, a):
-        """Return True if the operand is infinite; otherwise return False.
-
-        >>> ExtendedContext.is_infinite(Decimal('2.50'))
-        False
-        >>> ExtendedContext.is_infinite(Decimal('-Inf'))
-        True
-        >>> ExtendedContext.is_infinite(Decimal('NaN'))
-        False
-        >>> ExtendedContext.is_infinite(1)
-        False
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_infinite()
-
-    def is_nan(self, a):
-        """Return True if the operand is a qNaN or sNaN;
-        otherwise return False.
-
-        >>> ExtendedContext.is_nan(Decimal('2.50'))
-        False
-        >>> ExtendedContext.is_nan(Decimal('NaN'))
-        True
-        >>> ExtendedContext.is_nan(Decimal('-sNaN'))
-        True
-        >>> ExtendedContext.is_nan(1)
-        False
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_nan()
-
-    def is_normal(self, a):
-        """Return True if the operand is a normal number;
-        otherwise return False.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.is_normal(Decimal('2.50'))
-        True
-        >>> c.is_normal(Decimal('0.1E-999'))
-        False
-        >>> c.is_normal(Decimal('0.00'))
-        False
-        >>> c.is_normal(Decimal('-Inf'))
-        False
-        >>> c.is_normal(Decimal('NaN'))
-        False
-        >>> c.is_normal(1)
-        True
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_normal(context=self)
-
-    def is_qnan(self, a):
-        """Return True if the operand is a quiet NaN; otherwise return False.
-
-        >>> ExtendedContext.is_qnan(Decimal('2.50'))
-        False
-        >>> ExtendedContext.is_qnan(Decimal('NaN'))
-        True
-        >>> ExtendedContext.is_qnan(Decimal('sNaN'))
-        False
-        >>> ExtendedContext.is_qnan(1)
-        False
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_qnan()
-
-    def is_signed(self, a):
-        """Return True if the operand is negative; otherwise return False.
-
-        >>> ExtendedContext.is_signed(Decimal('2.50'))
-        False
-        >>> ExtendedContext.is_signed(Decimal('-12'))
-        True
-        >>> ExtendedContext.is_signed(Decimal('-0'))
-        True
-        >>> ExtendedContext.is_signed(8)
-        False
-        >>> ExtendedContext.is_signed(-8)
-        True
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_signed()
-
-    def is_snan(self, a):
-        """Return True if the operand is a signaling NaN;
-        otherwise return False.
-
-        >>> ExtendedContext.is_snan(Decimal('2.50'))
-        False
-        >>> ExtendedContext.is_snan(Decimal('NaN'))
-        False
-        >>> ExtendedContext.is_snan(Decimal('sNaN'))
-        True
-        >>> ExtendedContext.is_snan(1)
-        False
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_snan()
-
-    def is_subnormal(self, a):
-        """Return True if the operand is subnormal; otherwise return False.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.is_subnormal(Decimal('2.50'))
-        False
-        >>> c.is_subnormal(Decimal('0.1E-999'))
-        True
-        >>> c.is_subnormal(Decimal('0.00'))
-        False
-        >>> c.is_subnormal(Decimal('-Inf'))
-        False
-        >>> c.is_subnormal(Decimal('NaN'))
-        False
-        >>> c.is_subnormal(1)
-        False
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_subnormal(context=self)
-
-    def is_zero(self, a):
-        """Return True if the operand is a zero; otherwise return False.
-
-        >>> ExtendedContext.is_zero(Decimal('0'))
-        True
-        >>> ExtendedContext.is_zero(Decimal('2.50'))
-        False
-        >>> ExtendedContext.is_zero(Decimal('-0E+2'))
-        True
-        >>> ExtendedContext.is_zero(1)
-        False
-        >>> ExtendedContext.is_zero(0)
-        True
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.is_zero()
-
-    def ln(self, a):
-        """Returns the natural (base e) logarithm of the operand.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.ln(Decimal('0'))
-        Decimal('-Infinity')
-        >>> c.ln(Decimal('1.000'))
-        Decimal('0')
-        >>> c.ln(Decimal('2.71828183'))
-        Decimal('1.00000000')
-        >>> c.ln(Decimal('10'))
-        Decimal('2.30258509')
-        >>> c.ln(Decimal('+Infinity'))
-        Decimal('Infinity')
-        >>> c.ln(1)
-        Decimal('0')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.ln(context=self)
-
-    def log10(self, a):
-        """Returns the base 10 logarithm of the operand.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.log10(Decimal('0'))
-        Decimal('-Infinity')
-        >>> c.log10(Decimal('0.001'))
-        Decimal('-3')
-        >>> c.log10(Decimal('1.000'))
-        Decimal('0')
-        >>> c.log10(Decimal('2'))
-        Decimal('0.301029996')
-        >>> c.log10(Decimal('10'))
-        Decimal('1')
-        >>> c.log10(Decimal('70'))
-        Decimal('1.84509804')
-        >>> c.log10(Decimal('+Infinity'))
-        Decimal('Infinity')
-        >>> c.log10(0)
-        Decimal('-Infinity')
-        >>> c.log10(1)
-        Decimal('0')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.log10(context=self)
-
-    def logb(self, a):
-        """ Returns the exponent of the magnitude of the operand's MSD.
-
-        The result is the integer which is the exponent of the magnitude
-        of the most significant digit of the operand (as though the
-        operand were truncated to a single digit while maintaining the
-        value of that digit and without limiting the resulting exponent).
-
-        >>> ExtendedContext.logb(Decimal('250'))
-        Decimal('2')
-        >>> ExtendedContext.logb(Decimal('2.50'))
-        Decimal('0')
-        >>> ExtendedContext.logb(Decimal('0.03'))
-        Decimal('-2')
-        >>> ExtendedContext.logb(Decimal('0'))
-        Decimal('-Infinity')
-        >>> ExtendedContext.logb(1)
-        Decimal('0')
-        >>> ExtendedContext.logb(10)
-        Decimal('1')
-        >>> ExtendedContext.logb(100)
-        Decimal('2')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.logb(context=self)
-
-    def logical_and(self, a, b):
-        """Applies the logical operation 'and' between each operand's digits.
-
-        The operands must be both logical numbers.
-
-        >>> ExtendedContext.logical_and(Decimal('0'), Decimal('0'))
-        Decimal('0')
-        >>> ExtendedContext.logical_and(Decimal('0'), Decimal('1'))
-        Decimal('0')
-        >>> ExtendedContext.logical_and(Decimal('1'), Decimal('0'))
-        Decimal('0')
-        >>> ExtendedContext.logical_and(Decimal('1'), Decimal('1'))
-        Decimal('1')
-        >>> ExtendedContext.logical_and(Decimal('1100'), Decimal('1010'))
-        Decimal('1000')
-        >>> ExtendedContext.logical_and(Decimal('1111'), Decimal('10'))
-        Decimal('10')
-        >>> ExtendedContext.logical_and(110, 1101)
-        Decimal('100')
-        >>> ExtendedContext.logical_and(Decimal(110), 1101)
-        Decimal('100')
-        >>> ExtendedContext.logical_and(110, Decimal(1101))
-        Decimal('100')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.logical_and(b, context=self)
-
-    def logical_invert(self, a):
-        """Invert all the digits in the operand.
-
-        The operand must be a logical number.
-
-        >>> ExtendedContext.logical_invert(Decimal('0'))
-        Decimal('111111111')
-        >>> ExtendedContext.logical_invert(Decimal('1'))
-        Decimal('111111110')
-        >>> ExtendedContext.logical_invert(Decimal('111111111'))
-        Decimal('0')
-        >>> ExtendedContext.logical_invert(Decimal('101010101'))
-        Decimal('10101010')
-        >>> ExtendedContext.logical_invert(1101)
-        Decimal('111110010')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.logical_invert(context=self)
-
-    def logical_or(self, a, b):
-        """Applies the logical operation 'or' between each operand's digits.
-
-        The operands must be both logical numbers.
-
-        >>> ExtendedContext.logical_or(Decimal('0'), Decimal('0'))
-        Decimal('0')
-        >>> ExtendedContext.logical_or(Decimal('0'), Decimal('1'))
-        Decimal('1')
-        >>> ExtendedContext.logical_or(Decimal('1'), Decimal('0'))
-        Decimal('1')
-        >>> ExtendedContext.logical_or(Decimal('1'), Decimal('1'))
-        Decimal('1')
-        >>> ExtendedContext.logical_or(Decimal('1100'), Decimal('1010'))
-        Decimal('1110')
-        >>> ExtendedContext.logical_or(Decimal('1110'), Decimal('10'))
-        Decimal('1110')
-        >>> ExtendedContext.logical_or(110, 1101)
-        Decimal('1111')
-        >>> ExtendedContext.logical_or(Decimal(110), 1101)
-        Decimal('1111')
-        >>> ExtendedContext.logical_or(110, Decimal(1101))
-        Decimal('1111')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.logical_or(b, context=self)
-
-    def logical_xor(self, a, b):
-        """Applies the logical operation 'xor' between each operand's digits.
-
-        The operands must be both logical numbers.
-
-        >>> ExtendedContext.logical_xor(Decimal('0'), Decimal('0'))
-        Decimal('0')
-        >>> ExtendedContext.logical_xor(Decimal('0'), Decimal('1'))
-        Decimal('1')
-        >>> ExtendedContext.logical_xor(Decimal('1'), Decimal('0'))
-        Decimal('1')
-        >>> ExtendedContext.logical_xor(Decimal('1'), Decimal('1'))
-        Decimal('0')
-        >>> ExtendedContext.logical_xor(Decimal('1100'), Decimal('1010'))
-        Decimal('110')
-        >>> ExtendedContext.logical_xor(Decimal('1111'), Decimal('10'))
-        Decimal('1101')
-        >>> ExtendedContext.logical_xor(110, 1101)
-        Decimal('1011')
-        >>> ExtendedContext.logical_xor(Decimal(110), 1101)
-        Decimal('1011')
-        >>> ExtendedContext.logical_xor(110, Decimal(1101))
-        Decimal('1011')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.logical_xor(b, context=self)
-
-    def max(self, a, b):
-        """max compares two values numerically and returns the maximum.
-
-        If either operand is a NaN then the general rules apply.
-        Otherwise, the operands are compared as though by the compare
-        operation.  If they are numerically equal then the left-hand operand
-        is chosen as the result.  Otherwise the maximum (closer to positive
-        infinity) of the two operands is chosen as the result.
-
-        >>> ExtendedContext.max(Decimal('3'), Decimal('2'))
-        Decimal('3')
-        >>> ExtendedContext.max(Decimal('-10'), Decimal('3'))
-        Decimal('3')
-        >>> ExtendedContext.max(Decimal('1.0'), Decimal('1'))
-        Decimal('1')
-        >>> ExtendedContext.max(Decimal('7'), Decimal('NaN'))
-        Decimal('7')
-        >>> ExtendedContext.max(1, 2)
-        Decimal('2')
-        >>> ExtendedContext.max(Decimal(1), 2)
-        Decimal('2')
-        >>> ExtendedContext.max(1, Decimal(2))
-        Decimal('2')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.max(b, context=self)
-
-    def max_mag(self, a, b):
-        """Compares the values numerically with their sign ignored.
-
-        >>> ExtendedContext.max_mag(Decimal('7'), Decimal('NaN'))
-        Decimal('7')
-        >>> ExtendedContext.max_mag(Decimal('7'), Decimal('-10'))
-        Decimal('-10')
-        >>> ExtendedContext.max_mag(1, -2)
-        Decimal('-2')
-        >>> ExtendedContext.max_mag(Decimal(1), -2)
-        Decimal('-2')
-        >>> ExtendedContext.max_mag(1, Decimal(-2))
-        Decimal('-2')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.max_mag(b, context=self)
-
-    def min(self, a, b):
-        """min compares two values numerically and returns the minimum.
-
-        If either operand is a NaN then the general rules apply.
-        Otherwise, the operands are compared as though by the compare
-        operation.  If they are numerically equal then the left-hand operand
-        is chosen as the result.  Otherwise the minimum (closer to negative
-        infinity) of the two operands is chosen as the result.
-
-        >>> ExtendedContext.min(Decimal('3'), Decimal('2'))
-        Decimal('2')
-        >>> ExtendedContext.min(Decimal('-10'), Decimal('3'))
-        Decimal('-10')
-        >>> ExtendedContext.min(Decimal('1.0'), Decimal('1'))
-        Decimal('1.0')
-        >>> ExtendedContext.min(Decimal('7'), Decimal('NaN'))
-        Decimal('7')
-        >>> ExtendedContext.min(1, 2)
-        Decimal('1')
-        >>> ExtendedContext.min(Decimal(1), 2)
-        Decimal('1')
-        >>> ExtendedContext.min(1, Decimal(29))
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.min(b, context=self)
-
-    def min_mag(self, a, b):
-        """Compares the values numerically with their sign ignored.
-
-        >>> ExtendedContext.min_mag(Decimal('3'), Decimal('-2'))
-        Decimal('-2')
-        >>> ExtendedContext.min_mag(Decimal('-3'), Decimal('NaN'))
-        Decimal('-3')
-        >>> ExtendedContext.min_mag(1, -2)
-        Decimal('1')
-        >>> ExtendedContext.min_mag(Decimal(1), -2)
-        Decimal('1')
-        >>> ExtendedContext.min_mag(1, Decimal(-2))
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.min_mag(b, context=self)
-
-    def minus(self, a):
-        """Minus corresponds to unary prefix minus in Python.
-
-        The operation is evaluated using the same rules as subtract; the
-        operation minus(a) is calculated as subtract('0', a) where the '0'
-        has the same exponent as the operand.
-
-        >>> ExtendedContext.minus(Decimal('1.3'))
-        Decimal('-1.3')
-        >>> ExtendedContext.minus(Decimal('-1.3'))
-        Decimal('1.3')
-        >>> ExtendedContext.minus(1)
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.__neg__(context=self)
-
-    def multiply(self, a, b):
-        """multiply multiplies two operands.
-
-        If either operand is a special value then the general rules apply.
-        Otherwise, the operands are multiplied together
-        ('long multiplication'), resulting in a number which may be as long as
-        the sum of the lengths of the two operands.
-
-        >>> ExtendedContext.multiply(Decimal('1.20'), Decimal('3'))
-        Decimal('3.60')
-        >>> ExtendedContext.multiply(Decimal('7'), Decimal('3'))
-        Decimal('21')
-        >>> ExtendedContext.multiply(Decimal('0.9'), Decimal('0.8'))
-        Decimal('0.72')
-        >>> ExtendedContext.multiply(Decimal('0.9'), Decimal('-0'))
-        Decimal('-0.0')
-        >>> ExtendedContext.multiply(Decimal('654321'), Decimal('654321'))
-        Decimal('4.28135971E+11')
-        >>> ExtendedContext.multiply(7, 7)
-        Decimal('49')
-        >>> ExtendedContext.multiply(Decimal(7), 7)
-        Decimal('49')
-        >>> ExtendedContext.multiply(7, Decimal(7))
-        Decimal('49')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__mul__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def next_minus(self, a):
-        """Returns the largest representable number smaller than a.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> ExtendedContext.next_minus(Decimal('1'))
-        Decimal('0.999999999')
-        >>> c.next_minus(Decimal('1E-1007'))
-        Decimal('0E-1007')
-        >>> ExtendedContext.next_minus(Decimal('-1.00000003'))
-        Decimal('-1.00000004')
-        >>> c.next_minus(Decimal('Infinity'))
-        Decimal('9.99999999E+999')
-        >>> c.next_minus(1)
-        Decimal('0.999999999')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.next_minus(context=self)
-
-    def next_plus(self, a):
-        """Returns the smallest representable number larger than a.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> ExtendedContext.next_plus(Decimal('1'))
-        Decimal('1.00000001')
-        >>> c.next_plus(Decimal('-1E-1007'))
-        Decimal('-0E-1007')
-        >>> ExtendedContext.next_plus(Decimal('-1.00000003'))
-        Decimal('-1.00000002')
-        >>> c.next_plus(Decimal('-Infinity'))
-        Decimal('-9.99999999E+999')
-        >>> c.next_plus(1)
-        Decimal('1.00000001')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.next_plus(context=self)
-
-    def next_toward(self, a, b):
-        """Returns the number closest to a, in direction towards b.
-
-        The result is the closest representable number from the first
-        operand (but not the first operand) that is in the direction
-        towards the second operand, unless the operands have the same
-        value.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.next_toward(Decimal('1'), Decimal('2'))
-        Decimal('1.00000001')
-        >>> c.next_toward(Decimal('-1E-1007'), Decimal('1'))
-        Decimal('-0E-1007')
-        >>> c.next_toward(Decimal('-1.00000003'), Decimal('0'))
-        Decimal('-1.00000002')
-        >>> c.next_toward(Decimal('1'), Decimal('0'))
-        Decimal('0.999999999')
-        >>> c.next_toward(Decimal('1E-1007'), Decimal('-100'))
-        Decimal('0E-1007')
-        >>> c.next_toward(Decimal('-1.00000003'), Decimal('-10'))
-        Decimal('-1.00000004')
-        >>> c.next_toward(Decimal('0.00'), Decimal('-0.0000'))
-        Decimal('-0.00')
-        >>> c.next_toward(0, 1)
-        Decimal('1E-1007')
-        >>> c.next_toward(Decimal(0), 1)
-        Decimal('1E-1007')
-        >>> c.next_toward(0, Decimal(1))
-        Decimal('1E-1007')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.next_toward(b, context=self)
-
-    def normalize(self, a):
-        """normalize reduces an operand to its simplest form.
-
-        Essentially a plus operation with all trailing zeros removed from the
-        result.
-
-        >>> ExtendedContext.normalize(Decimal('2.1'))
-        Decimal('2.1')
-        >>> ExtendedContext.normalize(Decimal('-2.0'))
-        Decimal('-2')
-        >>> ExtendedContext.normalize(Decimal('1.200'))
-        Decimal('1.2')
-        >>> ExtendedContext.normalize(Decimal('-120'))
-        Decimal('-1.2E+2')
-        >>> ExtendedContext.normalize(Decimal('120.00'))
-        Decimal('1.2E+2')
-        >>> ExtendedContext.normalize(Decimal('0.00'))
-        Decimal('0')
-        >>> ExtendedContext.normalize(6)
-        Decimal('6')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.normalize(context=self)
-
-    def number_class(self, a):
-        """Returns an indication of the class of the operand.
-
-        The class is one of the following strings:
-          -sNaN
-          -NaN
-          -Infinity
-          -Normal
-          -Subnormal
-          -Zero
-          +Zero
-          +Subnormal
-          +Normal
-          +Infinity
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.number_class(Decimal('Infinity'))
-        '+Infinity'
-        >>> c.number_class(Decimal('1E-10'))
-        '+Normal'
-        >>> c.number_class(Decimal('2.50'))
-        '+Normal'
-        >>> c.number_class(Decimal('0.1E-999'))
-        '+Subnormal'
-        >>> c.number_class(Decimal('0'))
-        '+Zero'
-        >>> c.number_class(Decimal('-0'))
-        '-Zero'
-        >>> c.number_class(Decimal('-0.1E-999'))
-        '-Subnormal'
-        >>> c.number_class(Decimal('-1E-10'))
-        '-Normal'
-        >>> c.number_class(Decimal('-2.50'))
-        '-Normal'
-        >>> c.number_class(Decimal('-Infinity'))
-        '-Infinity'
-        >>> c.number_class(Decimal('NaN'))
-        'NaN'
-        >>> c.number_class(Decimal('-NaN'))
-        'NaN'
-        >>> c.number_class(Decimal('sNaN'))
-        'sNaN'
-        >>> c.number_class(123)
-        '+Normal'
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.number_class(context=self)
-
-    def plus(self, a):
-        """Plus corresponds to unary prefix plus in Python.
-
-        The operation is evaluated using the same rules as add; the
-        operation plus(a) is calculated as add('0', a) where the '0'
-        has the same exponent as the operand.
-
-        >>> ExtendedContext.plus(Decimal('1.3'))
-        Decimal('1.3')
-        >>> ExtendedContext.plus(Decimal('-1.3'))
-        Decimal('-1.3')
-        >>> ExtendedContext.plus(-1)
-        Decimal('-1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.__pos__(context=self)
-
-    def power(self, a, b, modulo=None):
-        """Raises a to the power of b, to modulo if given.
-
-        With two arguments, compute a**b.  If a is negative then b
-        must be integral.  The result will be inexact unless b is
-        integral and the result is finite and can be expressed exactly
-        in 'precision' digits.
-
-        With three arguments, compute (a**b) % modulo.  For the
-        three argument form, the following restrictions on the
-        arguments hold:
-
-         - all three arguments must be integral
-         - b must be nonnegative
-         - at least one of a or b must be nonzero
-         - modulo must be nonzero and have at most 'precision' digits
-
-        The result of pow(a, b, modulo) is identical to the result
-        that would be obtained by computing (a**b) % modulo with
-        unbounded precision, but is computed more efficiently.  It is
-        always exact.
-
-        >>> c = ExtendedContext.copy()
-        >>> c.Emin = -999
-        >>> c.Emax = 999
-        >>> c.power(Decimal('2'), Decimal('3'))
-        Decimal('8')
-        >>> c.power(Decimal('-2'), Decimal('3'))
-        Decimal('-8')
-        >>> c.power(Decimal('2'), Decimal('-3'))
-        Decimal('0.125')
-        >>> c.power(Decimal('1.7'), Decimal('8'))
-        Decimal('69.7575744')
-        >>> c.power(Decimal('10'), Decimal('0.301029996'))
-        Decimal('2.00000000')
-        >>> c.power(Decimal('Infinity'), Decimal('-1'))
-        Decimal('0')
-        >>> c.power(Decimal('Infinity'), Decimal('0'))
-        Decimal('1')
-        >>> c.power(Decimal('Infinity'), Decimal('1'))
-        Decimal('Infinity')
-        >>> c.power(Decimal('-Infinity'), Decimal('-1'))
-        Decimal('-0')
-        >>> c.power(Decimal('-Infinity'), Decimal('0'))
-        Decimal('1')
-        >>> c.power(Decimal('-Infinity'), Decimal('1'))
-        Decimal('-Infinity')
-        >>> c.power(Decimal('-Infinity'), Decimal('2'))
-        Decimal('Infinity')
-        >>> c.power(Decimal('0'), Decimal('0'))
-        Decimal('NaN')
-
-        >>> c.power(Decimal('3'), Decimal('7'), Decimal('16'))
-        Decimal('11')
-        >>> c.power(Decimal('-3'), Decimal('7'), Decimal('16'))
-        Decimal('-11')
-        >>> c.power(Decimal('-3'), Decimal('8'), Decimal('16'))
-        Decimal('1')
-        >>> c.power(Decimal('3'), Decimal('7'), Decimal('-16'))
-        Decimal('11')
-        >>> c.power(Decimal('23E12345'), Decimal('67E189'), Decimal('123456789'))
-        Decimal('11729830')
-        >>> c.power(Decimal('-0'), Decimal('17'), Decimal('1729'))
-        Decimal('-0')
-        >>> c.power(Decimal('-23'), Decimal('0'), Decimal('65537'))
-        Decimal('1')
-        >>> ExtendedContext.power(7, 7)
-        Decimal('823543')
-        >>> ExtendedContext.power(Decimal(7), 7)
-        Decimal('823543')
-        >>> ExtendedContext.power(7, Decimal(7), 2)
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__pow__(b, modulo, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def quantize(self, a, b):
-        """Returns a value equal to 'a' (rounded), having the exponent of 'b'.
-
-        The coefficient of the result is derived from that of the left-hand
-        operand.  It may be rounded using the current rounding setting (if the
-        exponent is being increased), multiplied by a positive power of ten (if
-        the exponent is being decreased), or is unchanged (if the exponent is
-        already equal to that of the right-hand operand).
-
-        Unlike other operations, if the length of the coefficient after the
-        quantize operation would be greater than precision then an Invalid
-        operation condition is raised.  This guarantees that, unless there is
-        an error condition, the exponent of the result of a quantize is always
-        equal to that of the right-hand operand.
-
-        Also unlike other operations, quantize will never raise Underflow, even
-        if the result is subnormal and inexact.
-
-        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.001'))
-        Decimal('2.170')
-        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.01'))
-        Decimal('2.17')
-        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.1'))
-        Decimal('2.2')
-        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('1e+0'))
-        Decimal('2')
-        >>> ExtendedContext.quantize(Decimal('2.17'), Decimal('1e+1'))
-        Decimal('0E+1')
-        >>> ExtendedContext.quantize(Decimal('-Inf'), Decimal('Infinity'))
-        Decimal('-Infinity')
-        >>> ExtendedContext.quantize(Decimal('2'), Decimal('Infinity'))
-        Decimal('NaN')
-        >>> ExtendedContext.quantize(Decimal('-0.1'), Decimal('1'))
-        Decimal('-0')
-        >>> ExtendedContext.quantize(Decimal('-0'), Decimal('1e+5'))
-        Decimal('-0E+5')
-        >>> ExtendedContext.quantize(Decimal('+35236450.6'), Decimal('1e-2'))
-        Decimal('NaN')
-        >>> ExtendedContext.quantize(Decimal('-35236450.6'), Decimal('1e-2'))
-        Decimal('NaN')
-        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e-1'))
-        Decimal('217.0')
-        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e-0'))
-        Decimal('217')
-        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e+1'))
-        Decimal('2.2E+2')
-        >>> ExtendedContext.quantize(Decimal('217'), Decimal('1e+2'))
-        Decimal('2E+2')
-        >>> ExtendedContext.quantize(1, 2)
-        Decimal('1')
-        >>> ExtendedContext.quantize(Decimal(1), 2)
-        Decimal('1')
-        >>> ExtendedContext.quantize(1, Decimal(2))
-        Decimal('1')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.quantize(b, context=self)
-
-    def radix(self):
-        """Just returns 10, as this is Decimal, :)
-
-        >>> ExtendedContext.radix()
-        Decimal('10')
-        """
-        return Decimal(10)
-
-    def remainder(self, a, b):
-        """Returns the remainder from integer division.
-
-        The result is the residue of the dividend after the operation of
-        calculating integer division as described for divide-integer, rounded
-        to precision digits if necessary.  The sign of the result, if
-        non-zero, is the same as that of the original dividend.
-
-        This operation will fail under the same conditions as integer division
-        (that is, if integer division on the same two operands would fail, the
-        remainder cannot be calculated).
-
-        >>> ExtendedContext.remainder(Decimal('2.1'), Decimal('3'))
-        Decimal('2.1')
-        >>> ExtendedContext.remainder(Decimal('10'), Decimal('3'))
-        Decimal('1')
-        >>> ExtendedContext.remainder(Decimal('-10'), Decimal('3'))
-        Decimal('-1')
-        >>> ExtendedContext.remainder(Decimal('10.2'), Decimal('1'))
-        Decimal('0.2')
-        >>> ExtendedContext.remainder(Decimal('10'), Decimal('0.3'))
-        Decimal('0.1')
-        >>> ExtendedContext.remainder(Decimal('3.6'), Decimal('1.3'))
-        Decimal('1.0')
-        >>> ExtendedContext.remainder(22, 6)
-        Decimal('4')
-        >>> ExtendedContext.remainder(Decimal(22), 6)
-        Decimal('4')
-        >>> ExtendedContext.remainder(22, Decimal(6))
-        Decimal('4')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__mod__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def remainder_near(self, a, b):
-        """Returns to be "a - b * n", where n is the integer nearest the exact
-        value of "x / b" (if two integers are equally near then the even one
-        is chosen).  If the result is equal to 0 then its sign will be the
-        sign of a.
-
-        This operation will fail under the same conditions as integer division
-        (that is, if integer division on the same two operands would fail, the
-        remainder cannot be calculated).
-
-        >>> ExtendedContext.remainder_near(Decimal('2.1'), Decimal('3'))
-        Decimal('-0.9')
-        >>> ExtendedContext.remainder_near(Decimal('10'), Decimal('6'))
-        Decimal('-2')
-        >>> ExtendedContext.remainder_near(Decimal('10'), Decimal('3'))
-        Decimal('1')
-        >>> ExtendedContext.remainder_near(Decimal('-10'), Decimal('3'))
-        Decimal('-1')
-        >>> ExtendedContext.remainder_near(Decimal('10.2'), Decimal('1'))
-        Decimal('0.2')
-        >>> ExtendedContext.remainder_near(Decimal('10'), Decimal('0.3'))
-        Decimal('0.1')
-        >>> ExtendedContext.remainder_near(Decimal('3.6'), Decimal('1.3'))
-        Decimal('-0.3')
-        >>> ExtendedContext.remainder_near(3, 11)
-        Decimal('3')
-        >>> ExtendedContext.remainder_near(Decimal(3), 11)
-        Decimal('3')
-        >>> ExtendedContext.remainder_near(3, Decimal(11))
-        Decimal('3')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.remainder_near(b, context=self)
-
-    def rotate(self, a, b):
-        """Returns a rotated copy of a, b times.
-
-        The coefficient of the result is a rotated copy of the digits in
-        the coefficient of the first operand.  The number of places of
-        rotation is taken from the absolute value of the second operand,
-        with the rotation being to the left if the second operand is
-        positive or to the right otherwise.
-
-        >>> ExtendedContext.rotate(Decimal('34'), Decimal('8'))
-        Decimal('400000003')
-        >>> ExtendedContext.rotate(Decimal('12'), Decimal('9'))
-        Decimal('12')
-        >>> ExtendedContext.rotate(Decimal('123456789'), Decimal('-2'))
-        Decimal('891234567')
-        >>> ExtendedContext.rotate(Decimal('123456789'), Decimal('0'))
-        Decimal('123456789')
-        >>> ExtendedContext.rotate(Decimal('123456789'), Decimal('+2'))
-        Decimal('345678912')
-        >>> ExtendedContext.rotate(1333333, 1)
-        Decimal('13333330')
-        >>> ExtendedContext.rotate(Decimal(1333333), 1)
-        Decimal('13333330')
-        >>> ExtendedContext.rotate(1333333, Decimal(1))
-        Decimal('13333330')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.rotate(b, context=self)
-
-    def same_quantum(self, a, b):
-        """Returns True if the two operands have the same exponent.
-
-        The result is never affected by either the sign or the coefficient of
-        either operand.
-
-        >>> ExtendedContext.same_quantum(Decimal('2.17'), Decimal('0.001'))
-        False
-        >>> ExtendedContext.same_quantum(Decimal('2.17'), Decimal('0.01'))
-        True
-        >>> ExtendedContext.same_quantum(Decimal('2.17'), Decimal('1'))
-        False
-        >>> ExtendedContext.same_quantum(Decimal('Inf'), Decimal('-Inf'))
-        True
-        >>> ExtendedContext.same_quantum(10000, -1)
-        True
-        >>> ExtendedContext.same_quantum(Decimal(10000), -1)
-        True
-        >>> ExtendedContext.same_quantum(10000, Decimal(-1))
-        True
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.same_quantum(b)
-
-    def scaleb (self, a, b):
-        """Returns the first operand after adding the second value its exp.
-
-        >>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('-2'))
-        Decimal('0.0750')
-        >>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('0'))
-        Decimal('7.50')
-        >>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('3'))
-        Decimal('7.50E+3')
-        >>> ExtendedContext.scaleb(1, 4)
-        Decimal('1E+4')
-        >>> ExtendedContext.scaleb(Decimal(1), 4)
-        Decimal('1E+4')
-        >>> ExtendedContext.scaleb(1, Decimal(4))
-        Decimal('1E+4')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.scaleb(b, context=self)
-
-    def shift(self, a, b):
-        """Returns a shifted copy of a, b times.
-
-        The coefficient of the result is a shifted copy of the digits
-        in the coefficient of the first operand.  The number of places
-        to shift is taken from the absolute value of the second operand,
-        with the shift being to the left if the second operand is
-        positive or to the right otherwise.  Digits shifted into the
-        coefficient are zeros.
-
-        >>> ExtendedContext.shift(Decimal('34'), Decimal('8'))
-        Decimal('400000000')
-        >>> ExtendedContext.shift(Decimal('12'), Decimal('9'))
-        Decimal('0')
-        >>> ExtendedContext.shift(Decimal('123456789'), Decimal('-2'))
-        Decimal('1234567')
-        >>> ExtendedContext.shift(Decimal('123456789'), Decimal('0'))
-        Decimal('123456789')
-        >>> ExtendedContext.shift(Decimal('123456789'), Decimal('+2'))
-        Decimal('345678900')
-        >>> ExtendedContext.shift(88888888, 2)
-        Decimal('888888800')
-        >>> ExtendedContext.shift(Decimal(88888888), 2)
-        Decimal('888888800')
-        >>> ExtendedContext.shift(88888888, Decimal(2))
-        Decimal('888888800')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.shift(b, context=self)
-
-    def sqrt(self, a):
-        """Square root of a non-negative number to context precision.
-
-        If the result must be inexact, it is rounded using the round-half-even
-        algorithm.
-
-        >>> ExtendedContext.sqrt(Decimal('0'))
-        Decimal('0')
-        >>> ExtendedContext.sqrt(Decimal('-0'))
-        Decimal('-0')
-        >>> ExtendedContext.sqrt(Decimal('0.39'))
-        Decimal('0.624499800')
-        >>> ExtendedContext.sqrt(Decimal('100'))
-        Decimal('10')
-        >>> ExtendedContext.sqrt(Decimal('1'))
-        Decimal('1')
-        >>> ExtendedContext.sqrt(Decimal('1.0'))
-        Decimal('1.0')
-        >>> ExtendedContext.sqrt(Decimal('1.00'))
-        Decimal('1.0')
-        >>> ExtendedContext.sqrt(Decimal('7'))
-        Decimal('2.64575131')
-        >>> ExtendedContext.sqrt(Decimal('10'))
-        Decimal('3.16227766')
-        >>> ExtendedContext.sqrt(2)
-        Decimal('1.41421356')
-        >>> ExtendedContext.prec
-        9
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.sqrt(context=self)
-
-    def subtract(self, a, b):
-        """Return the difference between the two operands.
-
-        >>> ExtendedContext.subtract(Decimal('1.3'), Decimal('1.07'))
-        Decimal('0.23')
-        >>> ExtendedContext.subtract(Decimal('1.3'), Decimal('1.30'))
-        Decimal('0.00')
-        >>> ExtendedContext.subtract(Decimal('1.3'), Decimal('2.07'))
-        Decimal('-0.77')
-        >>> ExtendedContext.subtract(8, 5)
-        Decimal('3')
-        >>> ExtendedContext.subtract(Decimal(8), 5)
-        Decimal('3')
-        >>> ExtendedContext.subtract(8, Decimal(5))
-        Decimal('3')
-        """
-        a = _convert_other(a, raiseit=True)
-        r = a.__sub__(b, context=self)
-        if r is NotImplemented:
-            raise TypeError("Unable to convert %s to Decimal" % b)
-        else:
-            return r
-
-    def to_eng_string(self, a):
-        """Converts a number to a string, using scientific notation.
-
-        The operation is not affected by the context.
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.to_eng_string(context=self)
-
-    def to_sci_string(self, a):
-        """Converts a number to a string, using scientific notation.
-
-        The operation is not affected by the context.
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.__str__(context=self)
-
-    def to_integral_exact(self, a):
-        """Rounds to an integer.
-
-        When the operand has a negative exponent, the result is the same
-        as using the quantize() operation using the given operand as the
-        left-hand-operand, 1E+0 as the right-hand-operand, and the precision
-        of the operand as the precision setting; Inexact and Rounded flags
-        are allowed in this operation.  The rounding mode is taken from the
-        context.
-
-        >>> ExtendedContext.to_integral_exact(Decimal('2.1'))
-        Decimal('2')
-        >>> ExtendedContext.to_integral_exact(Decimal('100'))
-        Decimal('100')
-        >>> ExtendedContext.to_integral_exact(Decimal('100.0'))
-        Decimal('100')
-        >>> ExtendedContext.to_integral_exact(Decimal('101.5'))
-        Decimal('102')
-        >>> ExtendedContext.to_integral_exact(Decimal('-101.5'))
-        Decimal('-102')
-        >>> ExtendedContext.to_integral_exact(Decimal('10E+5'))
-        Decimal('1.0E+6')
-        >>> ExtendedContext.to_integral_exact(Decimal('7.89E+77'))
-        Decimal('7.89E+77')
-        >>> ExtendedContext.to_integral_exact(Decimal('-Inf'))
-        Decimal('-Infinity')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.to_integral_exact(context=self)
-
-    def to_integral_value(self, a):
-        """Rounds to an integer.
-
-        When the operand has a negative exponent, the result is the same
-        as using the quantize() operation using the given operand as the
-        left-hand-operand, 1E+0 as the right-hand-operand, and the precision
-        of the operand as the precision setting, except that no flags will
-        be set.  The rounding mode is taken from the context.
-
-        >>> ExtendedContext.to_integral_value(Decimal('2.1'))
-        Decimal('2')
-        >>> ExtendedContext.to_integral_value(Decimal('100'))
-        Decimal('100')
-        >>> ExtendedContext.to_integral_value(Decimal('100.0'))
-        Decimal('100')
-        >>> ExtendedContext.to_integral_value(Decimal('101.5'))
-        Decimal('102')
-        >>> ExtendedContext.to_integral_value(Decimal('-101.5'))
-        Decimal('-102')
-        >>> ExtendedContext.to_integral_value(Decimal('10E+5'))
-        Decimal('1.0E+6')
-        >>> ExtendedContext.to_integral_value(Decimal('7.89E+77'))
-        Decimal('7.89E+77')
-        >>> ExtendedContext.to_integral_value(Decimal('-Inf'))
-        Decimal('-Infinity')
-        """
-        a = _convert_other(a, raiseit=True)
-        return a.to_integral_value(context=self)
-
-    # the method name changed, but we provide also the old one, for compatibility
-    to_integral = to_integral_value
-
-class _WorkRep(object):
-    __slots__ = ('sign','int','exp')
-    # sign: 0 or 1
-    # int:  int
-    # exp:  None, int, or string
-
-    def __init__(self, value=None):
-        if value is None:
-            self.sign = None
-            self.int = 0
-            self.exp = None
-        elif isinstance(value, Decimal):
-            self.sign = value._sign
-            self.int = int(value._int)
-            self.exp = value._exp
-        else:
-            # assert isinstance(value, tuple)
-            self.sign = value[0]
-            self.int = value[1]
-            self.exp = value[2]
-
-    def __repr__(self):
-        return "(%r, %r, %r)" % (self.sign, self.int, self.exp)
-
-    __str__ = __repr__
-
-
-
-def _normalize(op1, op2, prec = 0):
-    """Normalizes op1, op2 to have the same exp and length of coefficient.
-
-    Done during addition.
-    """
-    if op1.exp < op2.exp:
-        tmp = op2
-        other = op1
-    else:
-        tmp = op1
-        other = op2
-
-    # Let exp = min(tmp.exp - 1, tmp.adjusted() - precision - 1).
-    # Then adding 10**exp to tmp has the same effect (after rounding)
-    # as adding any positive quantity smaller than 10**exp; similarly
-    # for subtraction.  So if other is smaller than 10**exp we replace
-    # it with 10**exp.  This avoids tmp.exp - other.exp getting too large.
-    tmp_len = len(str(tmp.int))
-    other_len = len(str(other.int))
-    exp = tmp.exp + min(-1, tmp_len - prec - 2)
-    if other_len + other.exp - 1 < exp:
-        other.int = 1
-        other.exp = exp
-
-    tmp.int *= 10 ** (tmp.exp - other.exp)
-    tmp.exp = other.exp
-    return op1, op2
-
-##### Integer arithmetic functions used by ln, log10, exp and __pow__ #####
-
-_nbits = int.bit_length
-
-def _decimal_lshift_exact(n, e):
-    """ Given integers n and e, return n * 10**e if it's an integer, else None.
-
-    The computation is designed to avoid computing large powers of 10
-    unnecessarily.
-
-    >>> _decimal_lshift_exact(3, 4)
-    30000
-    >>> _decimal_lshift_exact(300, -999999999)  # returns None
-
-    """
-    if n == 0:
-        return 0
-    elif e >= 0:
-        return n * 10**e
-    else:
-        # val_n = largest power of 10 dividing n.
-        str_n = str(abs(n))
-        val_n = len(str_n) - len(str_n.rstrip('0'))
-        return None if val_n < -e else n // 10**-e
-
-def _sqrt_nearest(n, a):
-    """Closest integer to the square root of the positive integer n.  a is
-    an initial approximation to the square root.  Any positive integer
-    will do for a, but the closer a is to the square root of n the
-    faster convergence will be.
-
-    """
-    if n <= 0 or a <= 0:
-        raise ValueError("Both arguments to _sqrt_nearest should be positive.")
-
-    b=0
-    while a != b:
-        b, a = a, a--n//a>>1
-    return a
-
-def _rshift_nearest(x, shift):
-    """Given an integer x and a nonnegative integer shift, return closest
-    integer to x / 2**shift; use round-to-even in case of a tie.
-
-    """
-    b, q = 1 << shift, x >> shift
-    return q + (2*(x & (b-1)) + (q&1) > b)
-
-def _div_nearest(a, b):
-    """Closest integer to a/b, a and b positive integers; rounds to even
-    in the case of a tie.
-
-    """
-    q, r = divmod(a, b)
-    return q + (2*r + (q&1) > b)
-
-def _ilog(x, M, L = 8):
-    """Integer approximation to M*log(x/M), with absolute error boundable
-    in terms only of x/M.
-
-    Given positive integers x and M, return an integer approximation to
-    M * log(x/M).  For L = 8 and 0.1 <= x/M <= 10 the difference
-    between the approximation and the exact result is at most 22.  For
-    L = 8 and 1.0 <= x/M <= 10.0 the difference is at most 15.  In
-    both cases these are upper bounds on the error; it will usually be
-    much smaller."""
-
-    # The basic algorithm is the following: let log1p be the function
-    # log1p(x) = log(1+x).  Then log(x/M) = log1p((x-M)/M).  We use
-    # the reduction
-    #
-    #    log1p(y) = 2*log1p(y/(1+sqrt(1+y)))
-    #
-    # repeatedly until the argument to log1p is small (< 2**-L in
-    # absolute value).  For small y we can use the Taylor series
-    # expansion
-    #
-    #    log1p(y) ~ y - y**2/2 + y**3/3 - ... - (-y)**T/T
-    #
-    # truncating at T such that y**T is small enough.  The whole
-    # computation is carried out in a form of fixed-point arithmetic,
-    # with a real number z being represented by an integer
-    # approximation to z*M.  To avoid loss of precision, the y below
-    # is actually an integer approximation to 2**R*y*M, where R is the
-    # number of reductions performed so far.
-
-    y = x-M
-    # argument reduction; R = number of reductions performed
-    R = 0
-    while (R <= L and abs(y) << L-R >= M or
-           R > L and abs(y) >> R-L >= M):
-        y = _div_nearest((M*y) << 1,
-                         M + _sqrt_nearest(M*(M+_rshift_nearest(y, R)), M))
-        R += 1
-
-    # Taylor series with T terms
-    T = -int(-10*len(str(M))//(3*L))
-    yshift = _rshift_nearest(y, R)
-    w = _div_nearest(M, T)
-    for k in range(T-1, 0, -1):
-        w = _div_nearest(M, k) - _div_nearest(yshift*w, M)
-
-    return _div_nearest(w*y, M)
-
-def _dlog10(c, e, p):
-    """Given integers c, e and p with c > 0, p >= 0, compute an integer
-    approximation to 10**p * log10(c*10**e), with an absolute error of
-    at most 1.  Assumes that c*10**e is not exactly 1."""
-
-    # increase precision by 2; compensate for this by dividing
-    # final result by 100
-    p += 2
-
-    # write c*10**e as d*10**f with either:
-    #   f >= 0 and 1 <= d <= 10, or
-    #   f <= 0 and 0.1 <= d <= 1.
-    # Thus for c*10**e close to 1, f = 0
-    l = len(str(c))
-    f = e+l - (e+l >= 1)
-
-    if p > 0:
-        M = 10**p
-        k = e+p-f
-        if k >= 0:
-            c *= 10**k
-        else:
-            c = _div_nearest(c, 10**-k)
-
-        log_d = _ilog(c, M) # error < 5 + 22 = 27
-        log_10 = _log10_digits(p) # error < 1
-        log_d = _div_nearest(log_d*M, log_10)
-        log_tenpower = f*M # exact
-    else:
-        log_d = 0  # error < 2.31
-        log_tenpower = _div_nearest(f, 10**-p) # error < 0.5
-
-    return _div_nearest(log_tenpower+log_d, 100)
-
-def _dlog(c, e, p):
-    """Given integers c, e and p with c > 0, compute an integer
-    approximation to 10**p * log(c*10**e), with an absolute error of
-    at most 1.  Assumes that c*10**e is not exactly 1."""
-
-    # Increase precision by 2. The precision increase is compensated
-    # for at the end with a division by 100.
-    p += 2
-
-    # rewrite c*10**e as d*10**f with either f >= 0 and 1 <= d <= 10,
-    # or f <= 0 and 0.1 <= d <= 1.  Then we can compute 10**p * log(c*10**e)
-    # as 10**p * log(d) + 10**p*f * log(10).
-    l = len(str(c))
-    f = e+l - (e+l >= 1)
-
-    # compute approximation to 10**p*log(d), with error < 27
-    if p > 0:
-        k = e+p-f
-        if k >= 0:
-            c *= 10**k
-        else:
-            c = _div_nearest(c, 10**-k)  # error of <= 0.5 in c
-
-        # _ilog magnifies existing error in c by a factor of at most 10
-        log_d = _ilog(c, 10**p) # error < 5 + 22 = 27
-    else:
-        # p <= 0: just approximate the whole thing by 0; error < 2.31
-        log_d = 0
-
-    # compute approximation to f*10**p*log(10), with error < 11.
-    if f:
-        extra = len(str(abs(f)))-1
-        if p + extra >= 0:
-            # error in f * _log10_digits(p+extra) < |f| * 1 = |f|
-            # after division, error < |f|/10**extra + 0.5 < 10 + 0.5 < 11
-            f_log_ten = _div_nearest(f*_log10_digits(p+extra), 10**extra)
-        else:
-            f_log_ten = 0
-    else:
-        f_log_ten = 0
-
-    # error in sum < 11+27 = 38; error after division < 0.38 + 0.5 < 1
-    return _div_nearest(f_log_ten + log_d, 100)
-
-class _Log10Memoize(object):
-    """Class to compute, store, and allow retrieval of, digits of the
-    constant log(10) = 2.302585....  This constant is needed by
-    Decimal.ln, Decimal.log10, Decimal.exp and Decimal.__pow__."""
-    def __init__(self):
-        self.digits = "23025850929940456840179914546843642076011014886"
-
-    def getdigits(self, p):
-        """Given an integer p >= 0, return floor(10**p)*log(10).
-
-        For example, self.getdigits(3) returns 2302.
-        """
-        # digits are stored as a string, for quick conversion to
-        # integer in the case that we've already computed enough
-        # digits; the stored digits should always be correct
-        # (truncated, not rounded to nearest).
-        if p < 0:
-            raise ValueError("p should be nonnegative")
-
-        if p >= len(self.digits):
-            # compute p+3, p+6, p+9, ... digits; continue until at
-            # least one of the extra digits is nonzero
-            extra = 3
-            while True:
-                # compute p+extra digits, correct to within 1ulp
-                M = 10**(p+extra+2)
-                digits = str(_div_nearest(_ilog(10*M, M), 100))
-                if digits[-extra:] != '0'*extra:
-                    break
-                extra += 3
-            # keep all reliable digits so far; remove trailing zeros
-            # and next nonzero digit
-            self.digits = digits.rstrip('0')[:-1]
-        return int(self.digits[:p+1])
-
-_log10_digits = _Log10Memoize().getdigits
-
-def _iexp(x, M, L=8):
-    """Given integers x and M, M > 0, such that x/M is small in absolute
-    value, compute an integer approximation to M*exp(x/M).  For 0 <=
-    x/M <= 2.4, the absolute error in the result is bounded by 60 (and
-    is usually much smaller)."""
-
-    # Algorithm: to compute exp(z) for a real number z, first divide z
-    # by a suitable power R of 2 so that |z/2**R| < 2**-L.  Then
-    # compute expm1(z/2**R) = exp(z/2**R) - 1 using the usual Taylor
-    # series
-    #
-    #     expm1(x) = x + x**2/2! + x**3/3! + ...
-    #
-    # Now use the identity
-    #
-    #     expm1(2x) = expm1(x)*(expm1(x)+2)
-    #
-    # R times to compute the sequence expm1(z/2**R),
-    # expm1(z/2**(R-1)), ... , exp(z/2), exp(z).
-
-    # Find R such that x/2**R/M <= 2**-L
-    R = _nbits((x<<L)//M)
-
-    # Taylor series.  (2**L)**T > M
-    T = -int(-10*len(str(M))//(3*L))
-    y = _div_nearest(x, T)
-    Mshift = M<<R
-    for i in range(T-1, 0, -1):
-        y = _div_nearest(x*(Mshift + y), Mshift * i)
-
-    # Expansion
-    for k in range(R-1, -1, -1):
-        Mshift = M<<(k+2)
-        y = _div_nearest(y*(y+Mshift), Mshift)
-
-    return M+y
-
-def _dexp(c, e, p):
-    """Compute an approximation to exp(c*10**e), with p decimal places of
-    precision.
-
-    Returns integers d, f such that:
-
-      10**(p-1) <= d <= 10**p, and
-      (d-1)*10**f < exp(c*10**e) < (d+1)*10**f
-
-    In other words, d*10**f is an approximation to exp(c*10**e) with p
-    digits of precision, and with an error in d of at most 1.  This is
-    almost, but not quite, the same as the error being < 1ulp: when d
-    = 10**(p-1) the error could be up to 10 ulp."""
-
-    # we'll call iexp with M = 10**(p+2), giving p+3 digits of precision
-    p += 2
-
-    # compute log(10) with extra precision = adjusted exponent of c*10**e
-    extra = max(0, e + len(str(c)) - 1)
-    q = p + extra
-
-    # compute quotient c*10**e/(log(10)) = c*10**(e+q)/(log(10)*10**q),
-    # rounding down
-    shift = e+q
-    if shift >= 0:
-        cshift = c*10**shift
-    else:
-        cshift = c//10**-shift
-    quot, rem = divmod(cshift, _log10_digits(q))
-
-    # reduce remainder back to original precision
-    rem = _div_nearest(rem, 10**extra)
-
-    # error in result of _iexp < 120;  error after division < 0.62
-    return _div_nearest(_iexp(rem, 10**p), 1000), quot - p + 3
-
-def _dpower(xc, xe, yc, ye, p):
-    """Given integers xc, xe, yc and ye representing Decimals x = xc*10**xe and
-    y = yc*10**ye, compute x**y.  Returns a pair of integers (c, e) such that:
-
-      10**(p-1) <= c <= 10**p, and
-      (c-1)*10**e < x**y < (c+1)*10**e
-
-    in other words, c*10**e is an approximation to x**y with p digits
-    of precision, and with an error in c of at most 1.  (This is
-    almost, but not quite, the same as the error being < 1ulp: when c
-    == 10**(p-1) we can only guarantee error < 10ulp.)
-
-    We assume that: x is positive and not equal to 1, and y is nonzero.
-    """
-
-    # Find b such that 10**(b-1) <= |y| <= 10**b
-    b = len(str(abs(yc))) + ye
-
-    # log(x) = lxc*10**(-p-b-1), to p+b+1 places after the decimal point
-    lxc = _dlog(xc, xe, p+b+1)
-
-    # compute product y*log(x) = yc*lxc*10**(-p-b-1+ye) = pc*10**(-p-1)
-    shift = ye-b
-    if shift >= 0:
-        pc = lxc*yc*10**shift
-    else:
-        pc = _div_nearest(lxc*yc, 10**-shift)
-
-    if pc == 0:
-        # we prefer a result that isn't exactly 1; this makes it
-        # easier to compute a correctly rounded result in __pow__
-        if ((len(str(xc)) + xe >= 1) == (yc > 0)): # if x**y > 1:
-            coeff, exp = 10**(p-1)+1, 1-p
-        else:
-            coeff, exp = 10**p-1, -p
-    else:
-        coeff, exp = _dexp(pc, -(p+1), p+1)
-        coeff = _div_nearest(coeff, 10)
-        exp += 1
-
-    return coeff, exp
-
-def _log10_lb(c, correction = {
-        '1': 100, '2': 70, '3': 53, '4': 40, '5': 31,
-        '6': 23, '7': 16, '8': 10, '9': 5}):
-    """Compute a lower bound for 100*log10(c) for a positive integer c."""
-    if c <= 0:
-        raise ValueError("The argument to _log10_lb should be nonnegative.")
-    str_c = str(c)
-    return 100*len(str_c) - correction[str_c[0]]
-
-##### Helper Functions ####################################################
-
-def _convert_other(other, raiseit=False, allow_float=False):
-    """Convert other to Decimal.
-
-    Verifies that it's ok to use in an implicit construction.
-    If allow_float is true, allow conversion from float;  this
-    is used in the comparison methods (__eq__ and friends).
-
-    """
-    if isinstance(other, Decimal):
-        return other
-    if isinstance(other, int):
-        return Decimal(other)
-    if allow_float and isinstance(other, float):
-        return Decimal.from_float(other)
-
-    if raiseit:
-        raise TypeError("Unable to convert %s to Decimal" % other)
-    return NotImplemented
-
-def _convert_for_comparison(self, other, equality_op=False):
-    """Given a Decimal instance self and a Python object other, return
-    a pair (s, o) of Decimal instances such that "s op o" is
-    equivalent to "self op other" for any of the 6 comparison
-    operators "op".
-
-    """
-    if isinstance(other, Decimal):
-        return self, other
-
-    # Comparison with a Rational instance (also includes integers):
-    # self op n/d <=> self*d op n (for n and d integers, d positive).
-    # A NaN or infinity can be left unchanged without affecting the
-    # comparison result.
-    if isinstance(other, _numbers.Rational):
-        if not self._is_special:
-            self = _dec_from_triple(self._sign,
-                                    str(int(self._int) * other.denominator),
-                                    self._exp)
-        return self, Decimal(other.numerator)
-
-    # Comparisons with float and complex types.  == and != comparisons
-    # with complex numbers should succeed, returning either True or False
-    # as appropriate.  Other comparisons return NotImplemented.
-    if equality_op and isinstance(other, _numbers.Complex) and other.imag == 0:
-        other = other.real
-    if isinstance(other, float):
-        context = getcontext()
-        if equality_op:
-            context.flags[FloatOperation] = 1
-        else:
-            context._raise_error(FloatOperation,
-                "strict semantics for mixing floats and Decimals are enabled")
-        return self, Decimal.from_float(other)
-    return NotImplemented, NotImplemented
-
-
-##### Setup Specific Contexts ############################################
-
-# The default context prototype used by Context()
-# Is mutable, so that new contexts can have different default values
-
-DefaultContext = Context(
-        prec=28, rounding=ROUND_HALF_EVEN,
-        traps=[DivisionByZero, Overflow, InvalidOperation],
-        flags=[],
-        Emax=999999,
-        Emin=-999999,
-        capitals=1,
-        clamp=0
-)
-
-# Pre-made alternate contexts offered by the specification
-# Don't change these; the user should be able to select these
-# contexts and be able to reproduce results from other implementations
-# of the spec.
-
-BasicContext = Context(
-        prec=9, rounding=ROUND_HALF_UP,
-        traps=[DivisionByZero, Overflow, InvalidOperation, Clamped, Underflow],
-        flags=[],
-)
-
-ExtendedContext = Context(
-        prec=9, rounding=ROUND_HALF_EVEN,
-        traps=[],
-        flags=[],
-)
-
-
-##### crud for parsing strings #############################################
-#
-# Regular expression used for parsing numeric strings.  Additional
-# comments:
-#
-# 1. Uncomment the two '\s*' lines to allow leading and/or trailing
-# whitespace.  But note that the specification disallows whitespace in
-# a numeric string.
-#
-# 2. For finite numbers (not infinities and NaNs) the body of the
-# number between the optional sign and the optional exponent must have
-# at least one decimal digit, possibly after the decimal point.  The
-# lookahead expression '(?=\d|\.\d)' checks this.
-
-import re
-_parser = re.compile(r"""        # A numeric string consists of:
-#    \s*
-    (?P<sign>[-+])?              # an optional sign, followed by either...
-    (
-        (?=\d|\.\d)              # ...a number (with at least one digit)
-        (?P<int>\d*)             # having a (possibly empty) integer part
-        (\.(?P<frac>\d*))?       # followed by an optional fractional part
-        (E(?P<exp>[-+]?\d+))?    # followed by an optional exponent, or...
-    |
-        Inf(inity)?              # ...an infinity, or...
-    |
-        (?P<signal>s)?           # ...an (optionally signaling)
-        NaN                      # NaN
-        (?P<diag>\d*)            # with (possibly empty) diagnostic info.
-    )
-#    \s*
-    \Z
-""", re.VERBOSE | re.IGNORECASE).match
-
-_all_zeros = re.compile('0*$').match
-_exact_half = re.compile('50*$').match
-
-##### PEP3101 support functions ##############################################
-# The functions in this section have little to do with the Decimal
-# class, and could potentially be reused or adapted for other pure
-# Python numeric classes that want to implement __format__
-#
-# A format specifier for Decimal looks like:
-#
-#   [[fill]align][sign][#][0][minimumwidth][,][.precision][type]
-
-_parse_format_specifier_regex = re.compile(r"""\A
-(?:
-   (?P<fill>.)?
-   (?P<align>[<>=^])
-)?
-(?P<sign>[-+ ])?
-(?P<alt>\#)?
-(?P<zeropad>0)?
-(?P<minimumwidth>(?!0)\d+)?
-(?P<thousands_sep>,)?
-(?:\.(?P<precision>0|(?!0)\d+))?
-(?P<type>[eEfFgGn%])?
-\Z
-""", re.VERBOSE|re.DOTALL)
-
-del re
-
-# The locale module is only needed for the 'n' format specifier.  The
-# rest of the PEP 3101 code functions quite happily without it, so we
-# don't care too much if locale isn't present.
-try:
-    import locale as _locale
-except ImportError:
-    pass
-
-def _parse_format_specifier(format_spec, _localeconv=None):
-    """Parse and validate a format specifier.
-
-    Turns a standard numeric format specifier into a dict, with the
-    following entries:
-
-      fill: fill character to pad field to minimum width
-      align: alignment type, either '<', '>', '=' or '^'
-      sign: either '+', '-' or ' '
-      minimumwidth: nonnegative integer giving minimum width
-      zeropad: boolean, indicating whether to pad with zeros
-      thousands_sep: string to use as thousands separator, or ''
-      grouping: grouping for thousands separators, in format
-        used by localeconv
-      decimal_point: string to use for decimal point
-      precision: nonnegative integer giving precision, or None
-      type: one of the characters 'eEfFgG%', or None
-
-    """
-    m = _parse_format_specifier_regex.match(format_spec)
-    if m is None:
-        raise ValueError("Invalid format specifier: " + format_spec)
-
-    # get the dictionary
-    format_dict = m.groupdict()
-
-    # zeropad; defaults for fill and alignment.  If zero padding
-    # is requested, the fill and align fields should be absent.
-    fill = format_dict['fill']
-    align = format_dict['align']
-    format_dict['zeropad'] = (format_dict['zeropad'] is not None)
-    if format_dict['zeropad']:
-        if fill is not None:
-            raise ValueError("Fill character conflicts with '0'"
-                             " in format specifier: " + format_spec)
-        if align is not None:
-            raise ValueError("Alignment conflicts with '0' in "
-                             "format specifier: " + format_spec)
-    format_dict['fill'] = fill or ' '
-    # PEP 3101 originally specified that the default alignment should
-    # be left;  it was later agreed that right-aligned makes more sense
-    # for numeric types.  See http://bugs.python.org/issue6857.
-    format_dict['align'] = align or '>'
-
-    # default sign handling: '-' for negative, '' for positive
-    if format_dict['sign'] is None:
-        format_dict['sign'] = '-'
-
-    # minimumwidth defaults to 0; precision remains None if not given
-    format_dict['minimumwidth'] = int(format_dict['minimumwidth'] or '0')
-    if format_dict['precision'] is not None:
-        format_dict['precision'] = int(format_dict['precision'])
-
-    # if format type is 'g' or 'G' then a precision of 0 makes little
-    # sense; convert it to 1.  Same if format type is unspecified.
-    if format_dict['precision'] == 0:
-        if format_dict['type'] is None or format_dict['type'] in 'gGn':
-            format_dict['precision'] = 1
-
-    # determine thousands separator, grouping, and decimal separator, and
-    # add appropriate entries to format_dict
-    if format_dict['type'] == 'n':
-        # apart from separators, 'n' behaves just like 'g'
-        format_dict['type'] = 'g'
-        if _localeconv is None:
-            _localeconv = _locale.localeconv()
-        if format_dict['thousands_sep'] is not None:
-            raise ValueError("Explicit thousands separator conflicts with "
-                             "'n' type in format specifier: " + format_spec)
-        format_dict['thousands_sep'] = _localeconv['thousands_sep']
-        format_dict['grouping'] = _localeconv['grouping']
-        format_dict['decimal_point'] = _localeconv['decimal_point']
-    else:
-        if format_dict['thousands_sep'] is None:
-            format_dict['thousands_sep'] = ''
-        format_dict['grouping'] = [3, 0]
-        format_dict['decimal_point'] = '.'
-
-    return format_dict
-
-def _format_align(sign, body, spec):
-    """Given an unpadded, non-aligned numeric string 'body' and sign
-    string 'sign', add padding and alignment conforming to the given
-    format specifier dictionary 'spec' (as produced by
-    parse_format_specifier).
-
-    """
-    # how much extra space do we have to play with?
-    minimumwidth = spec['minimumwidth']
-    fill = spec['fill']
-    padding = fill*(minimumwidth - len(sign) - len(body))
-
-    align = spec['align']
-    if align == '<':
-        result = sign + body + padding
-    elif align == '>':
-        result = padding + sign + body
-    elif align == '=':
-        result = sign + padding + body
-    elif align == '^':
-        half = len(padding)//2
-        result = padding[:half] + sign + body + padding[half:]
-    else:
-        raise ValueError('Unrecognised alignment field')
-
-    return result
-
-def _group_lengths(grouping):
-    """Convert a localeconv-style grouping into a (possibly infinite)
-    iterable of integers representing group lengths.
-
-    """
-    # The result from localeconv()['grouping'], and the input to this
-    # function, should be a list of integers in one of the
-    # following three forms:
-    #
-    #   (1) an empty list, or
-    #   (2) nonempty list of positive integers + [0]
-    #   (3) list of positive integers + [locale.CHAR_MAX], or
-
-    from itertools import chain, repeat
-    if not grouping:
-        return []
-    elif grouping[-1] == 0 and len(grouping) >= 2:
-        return chain(grouping[:-1], repeat(grouping[-2]))
-    elif grouping[-1] == _locale.CHAR_MAX:
-        return grouping[:-1]
-    else:
-        raise ValueError('unrecognised format for grouping')
-
-def _insert_thousands_sep(digits, spec, min_width=1):
-    """Insert thousands separators into a digit string.
-
-    spec is a dictionary whose keys should include 'thousands_sep' and
-    'grouping'; typically it's the result of parsing the format
-    specifier using _parse_format_specifier.
-
-    The min_width keyword argument gives the minimum length of the
-    result, which will be padded on the left with zeros if necessary.
-
-    If necessary, the zero padding adds an extra '0' on the left to
-    avoid a leading thousands separator.  For example, inserting
-    commas every three digits in '123456', with min_width=8, gives
-    '0,123,456', even though that has length 9.
-
-    """
-
-    sep = spec['thousands_sep']
-    grouping = spec['grouping']
-
-    groups = []
-    for l in _group_lengths(grouping):
-        if l <= 0:
-            raise ValueError("group length should be positive")
-        # max(..., 1) forces at least 1 digit to the left of a separator
-        l = min(max(len(digits), min_width, 1), l)
-        groups.append('0'*(l - len(digits)) + digits[-l:])
-        digits = digits[:-l]
-        min_width -= l
-        if not digits and min_width <= 0:
-            break
-        min_width -= len(sep)
-    else:
-        l = max(len(digits), min_width, 1)
-        groups.append('0'*(l - len(digits)) + digits[-l:])
-    return sep.join(reversed(groups))
-
-def _format_sign(is_negative, spec):
-    """Determine sign character."""
-
-    if is_negative:
-        return '-'
-    elif spec['sign'] in ' +':
-        return spec['sign']
-    else:
-        return ''
-
-def _format_number(is_negative, intpart, fracpart, exp, spec):
-    """Format a number, given the following data:
-
-    is_negative: true if the number is negative, else false
-    intpart: string of digits that must appear before the decimal point
-    fracpart: string of digits that must come after the point
-    exp: exponent, as an integer
-    spec: dictionary resulting from parsing the format specifier
-
-    This function uses the information in spec to:
-      insert separators (decimal separator and thousands separators)
-      format the sign
-      format the exponent
-      add trailing '%' for the '%' type
-      zero-pad if necessary
-      fill and align if necessary
-    """
-
-    sign = _format_sign(is_negative, spec)
-
-    if fracpart or spec['alt']:
-        fracpart = spec['decimal_point'] + fracpart
-
-    if exp != 0 or spec['type'] in 'eE':
-        echar = {'E': 'E', 'e': 'e', 'G': 'E', 'g': 'e'}[spec['type']]
-        fracpart += "{0}{1:+}".format(echar, exp)
-    if spec['type'] == '%':
-        fracpart += '%'
-
-    if spec['zeropad']:
-        min_width = spec['minimumwidth'] - len(fracpart) - len(sign)
-    else:
-        min_width = 0
-    intpart = _insert_thousands_sep(intpart, spec, min_width)
-
-    return _format_align(sign, intpart+fracpart, spec)
-
-
-##### Useful Constants (internal use only) ################################
-
-# Reusable defaults
-_Infinity = Decimal('Inf')
-_NegativeInfinity = Decimal('-Inf')
-_NaN = Decimal('NaN')
-_Zero = Decimal(0)
-_One = Decimal(1)
-_NegativeOne = Decimal(-1)
-
-# _SignedInfinity[sign] is infinity w/ that sign
-_SignedInfinity = (_Infinity, _NegativeInfinity)
-
-# Constants related to the hash implementation;  hash(x) is based
-# on the reduction of x modulo _PyHASH_MODULUS
-_PyHASH_MODULUS = sys.hash_info.modulus
-# hash values to use for positive and negative infinities, and nans
-_PyHASH_INF = sys.hash_info.inf
-_PyHASH_NAN = sys.hash_info.nan
-
-# _PyHASH_10INV is the inverse of 10 modulo the prime _PyHASH_MODULUS
-_PyHASH_10INV = pow(10, _PyHASH_MODULUS - 2, _PyHASH_MODULUS)
-del sys
 
 try:
-    import _decimal
-except ImportError:
-    pass
-else:
-    s1 = set(dir())
-    s2 = set(dir(_decimal))
-    for name in s1 - s2:
-        del globals()[name]
-    del s1, s2, name
     from _decimal import *
-
-if __name__ == '__main__':
-    import doctest, decimal
-    doctest.testmod(decimal)
+    from _decimal import __doc__
+    from _decimal import __version__
+    from _decimal import __libmpdec_version__
+except ImportError:
+    from _pydecimal import *
+    from _pydecimal import __doc__
+    from _pydecimal import __version__
+    from _pydecimal import __libmpdec_version__
diff --git a/Lib/difflib.py b/Lib/difflib.py
index 7eb42a9..96fd9ab 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -28,9 +28,9 @@ Class HtmlDiff:
 
 __all__ = ['get_close_matches', 'ndiff', 'restore', 'SequenceMatcher',
            'Differ','IS_CHARACTER_JUNK', 'IS_LINE_JUNK', 'context_diff',
-           'unified_diff', 'HtmlDiff', 'Match']
+           'unified_diff', 'diff_bytes', 'HtmlDiff', 'Match']
 
-import heapq
+from heapq import nlargest as _nlargest
 from collections import namedtuple as _namedtuple
 
 Match = _namedtuple('Match', 'a b size')
@@ -729,7 +729,7 @@ def get_close_matches(word, possibilities, n=3, cutoff=0.6):
             result.append((s.ratio(), x))
 
     # Move the best scorers to head of list
-    result = heapq.nlargest(n, result)
+    result = _nlargest(n, result)
     # Strip scores for the best n matches
     return [x for score, x in result]
 
@@ -852,10 +852,9 @@ class Differ:
           and return true iff the string is junk. The module-level function
           `IS_LINE_JUNK` may be used to filter out lines without visible
           characters, except for at most one splat ('#').  It is recommended
-          to leave linejunk None; as of Python 2.3, the underlying
-          SequenceMatcher class has grown an adaptive notion of "noise" lines
-          that's better than any static definition the author has ever been
-          able to craft.
+          to leave linejunk None; the underlying SequenceMatcher class has
+          an adaptive notion of "noise" lines that's better than any static
+          definition the author has ever been able to craft.
 
         - `charjunk`: A function that should accept a string of length 1. The
           module-level function `IS_CHARACTER_JUNK` may be used to filter out
@@ -1175,6 +1174,7 @@ def unified_diff(a, b, fromfile='', tofile='', fromfiledate='',
      four
     """
 
+    _check_types(a, b, fromfile, tofile, fromfiledate, tofiledate, lineterm)
     started = False
     for group in SequenceMatcher(None,a,b).get_grouped_opcodes(n):
         if not started:
@@ -1262,6 +1262,7 @@ def context_diff(a, b, fromfile='', tofile='',
       four
     """
 
+    _check_types(a, b, fromfile, tofile, fromfiledate, tofiledate, lineterm)
     prefix = dict(insert='+ ', delete='- ', replace='! ', equal='  ')
     started = False
     for group in SequenceMatcher(None,a,b).get_grouped_opcodes(n):
@@ -1293,22 +1294,70 @@ def context_diff(a, b, fromfile='', tofile='',
                     for line in b[j1:j2]:
                         yield prefix[tag] + line
 
+def _check_types(a, b, *args):
+    # Checking types is weird, but the alternative is garbled output when
+    # someone passes mixed bytes and str to {unified,context}_diff(). E.g.
+    # without this check, passing filenames as bytes results in output like
+    #   --- b'oldfile.txt'
+    #   +++ b'newfile.txt'
+    # because of how str.format() incorporates bytes objects.
+    if a and not isinstance(a[0], str):
+        raise TypeError('lines to compare must be str, not %s (%r)' %
+                        (type(a[0]).__name__, a[0]))
+    if b and not isinstance(b[0], str):
+        raise TypeError('lines to compare must be str, not %s (%r)' %
+                        (type(b[0]).__name__, b[0]))
+    for arg in args:
+        if not isinstance(arg, str):
+            raise TypeError('all arguments must be str, not: %r' % (arg,))
+
+def diff_bytes(dfunc, a, b, fromfile=b'', tofile=b'',
+               fromfiledate=b'', tofiledate=b'', n=3, lineterm=b'\n'):
+    r"""
+    Compare `a` and `b`, two sequences of lines represented as bytes rather
+    than str. This is a wrapper for `dfunc`, which is typically either
+    unified_diff() or context_diff(). Inputs are losslessly converted to
+    strings so that `dfunc` only has to worry about strings, and encoded
+    back to bytes on return. This is necessary to compare files with
+    unknown or inconsistent encoding. All other inputs (except `n`) must be
+    bytes rather than str.
+    """
+    def decode(s):
+        try:
+            return s.decode('ascii', 'surrogateescape')
+        except AttributeError as err:
+            msg = ('all arguments must be bytes, not %s (%r)' %
+                   (type(s).__name__, s))
+            raise TypeError(msg) from err
+    a = list(map(decode, a))
+    b = list(map(decode, b))
+    fromfile = decode(fromfile)
+    tofile = decode(tofile)
+    fromfiledate = decode(fromfiledate)
+    tofiledate = decode(tofiledate)
+    lineterm = decode(lineterm)
+
+    lines = dfunc(a, b, fromfile, tofile, fromfiledate, tofiledate, n, lineterm)
+    for line in lines:
+        yield line.encode('ascii', 'surrogateescape')
+
 def ndiff(a, b, linejunk=None, charjunk=IS_CHARACTER_JUNK):
     r"""
     Compare `a` and `b` (lists of strings); return a `Differ`-style delta.
 
     Optional keyword parameters `linejunk` and `charjunk` are for filter
-    functions (or None):
+    functions, or can be None:
 
-    - linejunk: A function that should accept a single string argument, and
+    - linejunk: A function that should accept a single string argument and
       return true iff the string is junk.  The default is None, and is
-      recommended; as of Python 2.3, an adaptive notion of "noise" lines is
-      used that does a good job on its own.
+      recommended; the underlying SequenceMatcher class has an adaptive
+      notion of "noise" lines.
 
-    - charjunk: A function that should accept a string of length 1. The
-      default is module-level function IS_CHARACTER_JUNK, which filters out
-      whitespace characters (a blank or tab; note: bad idea to include newline
-      in this!).
+    - charjunk: A function that accepts a character (string of length
+      1), and returns true iff the character is junk. The default is
+      the module-level function IS_CHARACTER_JUNK, which filters out
+      whitespace characters (a blank or tab; note: it's a bad idea to
+      include newline in this!).
 
     Tools/scripts/ndiff.py is a command-line front-end to this function.
 
@@ -1410,7 +1459,7 @@ def _mdiff(fromlines, tolines, context=None, linejunk=None,
             change_re.sub(record_sub_info,markers)
             # process each tuple inserting our special marks that won't be
             # noticed by an xml/html escaper.
-            for key,(begin,end) in sub_info[::-1]:
+            for key,(begin,end) in reversed(sub_info):
                 text = text[0:begin]+'\0'+key+text[begin:end]+'\1'+text[end:]
             text = text[2:]
         # Handle case of add/delete entire line
@@ -1448,10 +1497,7 @@ def _mdiff(fromlines, tolines, context=None, linejunk=None,
             # are a concatenation of the first character of each of the 4 lines
             # so we can do some very readable comparisons.
             while len(lines) < 4:
-                try:
-                    lines.append(next(diff_lines_iterator))
-                except StopIteration:
-                    lines.append('X')
+                lines.append(next(diff_lines_iterator, 'X'))
             s = ''.join([line[0] for line in lines])
             if s.startswith('X'):
                 # When no more lines, pump out any remaining blank lines so the
@@ -1514,7 +1560,7 @@ def _mdiff(fromlines, tolines, context=None, linejunk=None,
                 num_blanks_to_yield -= 1
                 yield ('','\n'),None,True
             if s.startswith('X'):
-                raise StopIteration
+                return
             else:
                 yield from_line,to_line,True
 
@@ -1601,7 +1647,7 @@ _file_template = """
 
 <head>
     <meta http-equiv="Content-Type"
-          content="text/html; charset=ISO-8859-1" />
+          content="text/html; charset=%(charset)s" />
     <title></title>
     <style type="text/css">%(styles)s
     </style>
@@ -1679,7 +1725,7 @@ class HtmlDiff(object):
         tabsize -- tab stop spacing, defaults to 8.
         wrapcolumn -- column number where lines are broken and wrapped,
             defaults to None where lines are not wrapped.
-        linejunk,charjunk -- keyword arguments passed into ndiff() (used to by
+        linejunk,charjunk -- keyword arguments passed into ndiff() (used by
             HtmlDiff() to generate the side by side HTML differences).  See
             ndiff() documentation for argument default values and descriptions.
         """
@@ -1688,8 +1734,8 @@ class HtmlDiff(object):
         self._linejunk = linejunk
         self._charjunk = charjunk
 
-    def make_file(self,fromlines,tolines,fromdesc='',todesc='',context=False,
-                  numlines=5):
+    def make_file(self, fromlines, tolines, fromdesc='', todesc='',
+                  context=False, numlines=5, *, charset='utf-8'):
         """Returns HTML file of side by side comparison with change highlights
 
         Arguments:
@@ -1704,13 +1750,16 @@ class HtmlDiff(object):
             When context is False, controls the number of lines to place
             the "next" link anchors before the next change (so click of
             "next" link jumps to just before the change).
+        charset -- charset of the HTML document
         """
 
-        return self._file_template % dict(
-            styles = self._styles,
-            legend = self._legend,
-            table = self.make_table(fromlines,tolines,fromdesc,todesc,
-                                    context=context,numlines=numlines))
+        return (self._file_template % dict(
+            styles=self._styles,
+            legend=self._legend,
+            table=self.make_table(fromlines, tolines, fromdesc, todesc,
+                                  context=context, numlines=numlines),
+            charset=charset
+        )).encode(charset, 'xmlcharrefreplace').decode(charset)
 
     def _tab_newline_replace(self,fromlines,tolines):
         """Returns from/to line lists with tabs expanded and newlines removed.
diff --git a/Lib/dis.py b/Lib/dis.py
index 81cbe7f..d215bc5 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -29,7 +29,7 @@ def _try_compile(source, name):
     return c
 
 def dis(x=None, *, file=None):
-    """Disassemble classes, methods, functions, or code.
+    """Disassemble classes, methods, functions, generators, or code.
 
     With no argument, disassemble the last traceback.
 
@@ -41,6 +41,8 @@ def dis(x=None, *, file=None):
         x = x.__func__
     if hasattr(x, '__code__'):  # Function
         x = x.__code__
+    if hasattr(x, 'gi_code'):  # Generator
+        x = x.gi_code
     if hasattr(x, '__dict__'):  # Class or module
         items = sorted(x.__dict__.items())
         for name, x1 in items:
@@ -99,11 +101,13 @@ def pretty_flags(flags):
     return ", ".join(names)
 
 def _get_code_object(x):
-    """Helper to handle methods, functions, strings and raw code objects"""
+    """Helper to handle methods, functions, generators, strings and raw code objects"""
     if hasattr(x, '__func__'): # Method
         x = x.__func__
     if hasattr(x, '__code__'): # Function
         x = x.__code__
+    if hasattr(x, 'gi_code'):  # Generator
+        x = x.gi_code
     if isinstance(x, str):     # Source code
         x = _try_compile(x, "<disassembly>")
     if hasattr(x, 'co_code'):  # Code object
diff --git a/Lib/distutils/__init__.py b/Lib/distutils/__init__.py
index 00a5859..37bfd5a 100644
--- a/Lib/distutils/__init__.py
+++ b/Lib/distutils/__init__.py
@@ -13,5 +13,5 @@ used from a setup script as
 # Updated automatically by the Python release process.
 #
 #--start constants--
-__version__ = "3.4.3"
+__version__ = "3.5.0a4"
 #--end constants--
diff --git a/Lib/distutils/command/build.py b/Lib/distutils/command/build.py
index cfc15cf..337dd0b 100644
--- a/Lib/distutils/command/build.py
+++ b/Lib/distutils/command/build.py
@@ -36,6 +36,8 @@ class build(Command):
          "(default: %s)" % get_platform()),
         ('compiler=', 'c',
          "specify the compiler type"),
+        ('parallel=', 'j',
+         "number of parallel build jobs"),
         ('debug', 'g',
          "compile extensions and libraries with debugging information"),
         ('force', 'f',
@@ -65,6 +67,7 @@ class build(Command):
         self.debug = None
         self.force = 0
         self.executable = None
+        self.parallel = None
 
     def finalize_options(self):
         if self.plat_name is None:
@@ -116,6 +119,12 @@ class build(Command):
         if self.executable is None:
             self.executable = os.path.normpath(sys.executable)
 
+        if isinstance(self.parallel, str):
+            try:
+                self.parallel = int(self.parallel)
+            except ValueError:
+                raise DistutilsOptionError("parallel should be an integer")
+
     def run(self):
         # Run all relevant sub-commands.  This will be some subset of:
         #  - build_py      - pure Python modules
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index acbe648..c5a3ce1 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -4,7 +4,10 @@ Implements the Distutils 'build_ext' command, for building extension
 modules (currently limited to C extensions, should accommodate C++
 extensions ASAP)."""
 
-import sys, os, re
+import contextlib
+import os
+import re
+import sys
 from distutils.core import Command
 from distutils.errors import *
 from distutils.sysconfig import customize_compiler, get_python_version
@@ -85,6 +88,8 @@ class build_ext(Command):
          "forcibly build everything (ignore file timestamps)"),
         ('compiler=', 'c',
          "specify the compiler type"),
+        ('parallel=', 'j',
+         "number of parallel build jobs"),
         ('swig-cpp', None,
          "make SWIG create C++ files (default is C)"),
         ('swig-opts=', None,
@@ -124,6 +129,7 @@ class build_ext(Command):
         self.swig_cpp = None
         self.swig_opts = None
         self.user = None
+        self.parallel = None
 
     def finalize_options(self):
         from distutils import sysconfig
@@ -134,6 +140,7 @@ class build_ext(Command):
                                    ('compiler', 'compiler'),
                                    ('debug', 'debug'),
                                    ('force', 'force'),
+                                   ('parallel', 'parallel'),
                                    ('plat_name', 'plat_name'),
                                    )
 
@@ -202,7 +209,7 @@ class build_ext(Command):
             if MSVC_VERSION >= 9:
                 # Use the .lib files for the correct architecture
                 if self.plat_name == 'win32':
-                    suffix = ''
+                    suffix = 'win32'
                 else:
                     # win-amd64 or win-ia64
                     suffix = self.plat_name[4:]
@@ -274,6 +281,12 @@ class build_ext(Command):
                 self.library_dirs.append(user_lib)
                 self.rpath.append(user_lib)
 
+        if isinstance(self.parallel, str):
+            try:
+                self.parallel = int(self.parallel)
+            except ValueError:
+                raise DistutilsOptionError("parallel should be an integer")
+
     def run(self):
         from distutils.ccompiler import new_compiler
 
@@ -442,15 +455,45 @@ class build_ext(Command):
     def build_extensions(self):
         # First, sanity-check the 'extensions' list
         self.check_extensions_list(self.extensions)
+        if self.parallel:
+            self._build_extensions_parallel()
+        else:
+            self._build_extensions_serial()
+
+    def _build_extensions_parallel(self):
+        workers = self.parallel
+        if self.parallel is True:
+            workers = os.cpu_count()  # may return None
+        try:
+            from concurrent.futures import ThreadPoolExecutor
+        except ImportError:
+            workers = None
+
+        if workers is None:
+            self._build_extensions_serial()
+            return
+
+        with ThreadPoolExecutor(max_workers=workers) as executor:
+            futures = [executor.submit(self.build_extension, ext)
+                       for ext in self.extensions]
+            for ext, fut in zip(self.extensions, futures):
+                with self._filter_build_errors(ext):
+                    fut.result()
 
+    def _build_extensions_serial(self):
         for ext in self.extensions:
-            try:
+            with self._filter_build_errors(ext):
                 self.build_extension(ext)
-            except (CCompilerError, DistutilsError, CompileError) as e:
-                if not ext.optional:
-                    raise
-                self.warn('building extension "%s" failed: %s' %
-                          (ext.name, e))
+
+    @contextlib.contextmanager
+    def _filter_build_errors(self, ext):
+        try:
+            yield
+        except (CCompilerError, DistutilsError, CompileError) as e:
+            if not ext.optional:
+                raise
+            self.warn('building extension "%s" failed: %s' %
+                      (ext.name, e))
 
     def build_extension(self, ext):
         sources = ext.sources
@@ -502,15 +545,8 @@ class build_ext(Command):
                                          extra_postargs=extra_args,
                                          depends=ext.depends)
 
-        # XXX -- this is a Vile HACK!
-        #
-        # The setup.py script for Python on Unix needs to be able to
-        # get this list so it can perform all the clean up needed to
-        # avoid keeping object files around when cleaning out a failed
-        # build of an extension module.  Since Distutils does not
-        # track dependencies, we have to get rid of intermediates to
-        # ensure all the intermediates will be properly re-built.
-        #
+        # XXX outdated variable, kept here in case third-part code
+        # needs it.
         self._built_objects = objects[:]
 
         # Now link the object files together into a "shared object" --
@@ -655,10 +691,7 @@ class build_ext(Command):
         """
         from distutils.sysconfig import get_config_var
         ext_path = ext_name.split('.')
-        # extensions in debug_mode are named 'module_d.pyd' under windows
         ext_suffix = get_config_var('EXT_SUFFIX')
-        if os.name == 'nt' and self.debug:
-            return os.path.join(*ext_path) + '_d' + ext_suffix
         return os.path.join(*ext_path) + ext_suffix
 
     def get_export_symbols(self, ext):
diff --git a/Lib/distutils/command/build_py.py b/Lib/distutils/command/build_py.py
index 9100b96..cf0ca57 100644
--- a/Lib/distutils/command/build_py.py
+++ b/Lib/distutils/command/build_py.py
@@ -314,10 +314,10 @@ class build_py (Command):
             if include_bytecode:
                 if self.compile:
                     outputs.append(importlib.util.cache_from_source(
-                        filename, debug_override=True))
+                        filename, optimization=''))
                 if self.optimize > 0:
                     outputs.append(importlib.util.cache_from_source(
-                        filename, debug_override=False))
+                        filename, optimization=self.optimize))
 
         outputs += [
             os.path.join(build_dir, filename)
diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
index d768dc5..67db007 100644
--- a/Lib/distutils/command/install.py
+++ b/Lib/distutils/command/install.py
@@ -51,7 +51,7 @@ if HAS_USER_SITE:
         'purelib': '$usersite',
         'platlib': '$usersite',
         'headers': '$userbase/Python$py_version_nodot/Include/$dist_name',
-        'scripts': '$userbase/Scripts',
+        'scripts': '$userbase/Python$py_version_nodot/Scripts',
         'data'   : '$userbase',
         }
 
diff --git a/Lib/distutils/command/install_lib.py b/Lib/distutils/command/install_lib.py
index 215813b..6154cf0 100644
--- a/Lib/distutils/command/install_lib.py
+++ b/Lib/distutils/command/install_lib.py
@@ -22,15 +22,15 @@ class install_lib(Command):
     # possible scenarios:
     #   1) no compilation at all (--no-compile --no-optimize)
     #   2) compile .pyc only (--compile --no-optimize; default)
-    #   3) compile .pyc and "level 1" .pyo (--compile --optimize)
-    #   4) compile "level 1" .pyo only (--no-compile --optimize)
-    #   5) compile .pyc and "level 2" .pyo (--compile --optimize-more)
-    #   6) compile "level 2" .pyo only (--no-compile --optimize-more)
+    #   3) compile .pyc and "opt-1" .pyc (--compile --optimize)
+    #   4) compile "opt-1" .pyc only (--no-compile --optimize)
+    #   5) compile .pyc and "opt-2" .pyc (--compile --optimize-more)
+    #   6) compile "opt-2" .pyc only (--no-compile --optimize-more)
     #
-    # The UI for this is two option, 'compile' and 'optimize'.
+    # The UI for this is two options, 'compile' and 'optimize'.
     # 'compile' is strictly boolean, and only decides whether to
     # generate .pyc files.  'optimize' is three-way (0, 1, or 2), and
-    # decides both whether to generate .pyo files and what level of
+    # decides both whether to generate .pyc files and what level of
     # optimization to use.
 
     user_options = [
@@ -166,10 +166,10 @@ class install_lib(Command):
                 continue
             if self.compile:
                 bytecode_files.append(importlib.util.cache_from_source(
-                    py_file, debug_override=True))
+                    py_file, optimization=''))
             if self.optimize > 0:
                 bytecode_files.append(importlib.util.cache_from_source(
-                    py_file, debug_override=False))
+                    py_file, optimization=self.optimize))
 
         return bytecode_files
 
diff --git a/Lib/distutils/command/upload.py b/Lib/distutils/command/upload.py
index 1a96e22..1c4fc48 100644
--- a/Lib/distutils/command/upload.py
+++ b/Lib/distutils/command/upload.py
@@ -1,11 +1,14 @@
-"""distutils.command.upload
+"""
+distutils.command.upload
 
-Implements the Distutils 'upload' subcommand (upload package to PyPI)."""
+Implements the Distutils 'upload' subcommand (upload package to a package
+index).
+"""
 
-import sys
-import os, io
-import socket
+import os
+import io
 import platform
+import hashlib
 from base64 import standard_b64encode
 from urllib.request import urlopen, Request, HTTPError
 from urllib.parse import urlparse
@@ -14,12 +17,6 @@ from distutils.core import PyPIRCCommand
 from distutils.spawn import spawn
 from distutils import log
 
-# this keeps compatibility for 2.3 and 2.4
-if sys.version < "2.5":
-    from md5 import md5
-else:
-    from hashlib import md5
-
 class upload(PyPIRCCommand):
 
     description = "upload binary package to PyPI"
@@ -60,7 +57,8 @@ class upload(PyPIRCCommand):
 
     def run(self):
         if not self.distribution.dist_files:
-            raise DistutilsOptionError("No dist file created in earlier command")
+            msg = "No dist file created in earlier command"
+            raise DistutilsOptionError(msg)
         for command, pyversion, filename in self.distribution.dist_files:
             self.upload_file(command, pyversion, filename)
 
@@ -103,10 +101,10 @@ class upload(PyPIRCCommand):
             'content': (os.path.basename(filename),content),
             'filetype': command,
             'pyversion': pyversion,
-            'md5_digest': md5(content).hexdigest(),
+            'md5_digest': hashlib.md5(content).hexdigest(),
 
             # additional meta-data
-            'metadata_version' : '1.0',
+            'metadata_version': '1.0',
             'summary': meta.get_description(),
             'home_page': meta.get_url(),
             'author': meta.get_contact(),
@@ -149,7 +147,7 @@ class upload(PyPIRCCommand):
         for key, value in data.items():
             title = '\r\nContent-Disposition: form-data; name="%s"' % key
             # handle multiple entries for the same name
-            if type(value) != type([]):
+            if not isinstance(value, list):
                 value = [value]
             for value in value:
                 if type(value) is tuple:
@@ -166,13 +164,15 @@ class upload(PyPIRCCommand):
         body.write(end_boundary)
         body = body.getvalue()
 
-        self.announce("Submitting %s to %s" % (filename, self.repository), log.INFO)
+        msg = "Submitting %s to %s" % (filename, self.repository)
+        self.announce(msg, log.INFO)
 
         # build the Request
-        headers = {'Content-type':
-                        'multipart/form-data; boundary=%s' % boundary,
-                   'Content-length': str(len(body)),
-                   'Authorization': auth}
+        headers = {
+            'Content-type': 'multipart/form-data; boundary=%s' % boundary,
+            'Content-length': str(len(body)),
+            'Authorization': auth,
+        }
 
         request = Request(self.repository, data=body,
                           headers=headers)
diff --git a/Lib/distutils/command/wininst-14.0-amd64.exe b/Lib/distutils/command/wininst-14.0-amd64.exe
new file mode 100644
index 0000000..43b85b6
--- /dev/null
+++ b/Lib/distutils/command/wininst-14.0-amd64.exe
diff --git a/Lib/distutils/command/wininst-14.0.exe b/Lib/distutils/command/wininst-14.0.exe
new file mode 100644
index 0000000..764524d
--- /dev/null
+++ b/Lib/distutils/command/wininst-14.0.exe
diff --git a/Lib/distutils/dist.py b/Lib/distutils/dist.py
index 7eb04bc..ffb33ff6 100644
--- a/Lib/distutils/dist.py
+++ b/Lib/distutils/dist.py
@@ -4,7 +4,9 @@ Provides the Distribution class, which represents the module distribution
 being built/installed/distributed.
 """
 
-import sys, os, re
+import sys
+import os
+import re
 from email import message_from_file
 
 try:
@@ -22,7 +24,7 @@ from distutils.debug import DEBUG
 # the same as a Python NAME -- I don't allow leading underscores.  The fact
 # that they're very similar is no coincidence; the default naming scheme is
 # to look for a Python module named after the command.
-command_re = re.compile (r'^[a-zA-Z]([a-zA-Z0-9_]*)$')
+command_re = re.compile(r'^[a-zA-Z]([a-zA-Z0-9_]*)$')
 
 
 class Distribution:
@@ -39,7 +41,6 @@ class Distribution:
     See the code for 'setup()', in core.py, for details.
     """
 
-
     # 'global_options' describes the command-line options that may be
     # supplied to the setup script prior to any actual commands.
     # Eg. "./setup.py -n" or "./setup.py --quiet" both take advantage of
@@ -48,12 +49,13 @@ class Distribution:
     # don't want to pollute the commands with too many options that they
     # have minimal control over.
     # The fourth entry for verbose means that it can be repeated.
-    global_options = [('verbose', 'v', "run verbosely (default)", 1),
-                      ('quiet', 'q', "run quietly (turns verbosity off)"),
-                      ('dry-run', 'n', "don't actually do anything"),
-                      ('help', 'h', "show detailed help message"),
-                      ('no-user-cfg', None,
-                       'ignore pydistutils.cfg in your home directory'),
+    global_options = [
+        ('verbose', 'v', "run verbosely (default)", 1),
+        ('quiet', 'q', "run quietly (turns verbosity off)"),
+        ('dry-run', 'n', "don't actually do anything"),
+        ('help', 'h', "show detailed help message"),
+        ('no-user-cfg', None,
+            'ignore pydistutils.cfg in your home directory'),
     ]
 
     # 'common_usage' is a short (2-3 line) string describing the common
@@ -115,10 +117,9 @@ Common commands: (see '--help-commands' for more)
     # negative options are options that exclude other options
     negative_opt = {'quiet': 'verbose'}
 
-
     # -- Creation/initialization methods -------------------------------
 
-    def __init__ (self, attrs=None):
+    def __init__(self, attrs=None):
         """Construct a new Distribution instance: initialize all the
         attributes of a Distribution, and then use 'attrs' (a dictionary
         mapping attribute names to values) to assign some of those
@@ -532,15 +533,15 @@ Common commands: (see '--help-commands' for more)
         # to be sure that the basic "command" interface is implemented.
         if not issubclass(cmd_class, Command):
             raise DistutilsClassError(
-                  "command class %s must subclass Command" % cmd_class)
+                "command class %s must subclass Command" % cmd_class)
 
         # Also make sure that the command object provides a list of its
         # known options.
         if not (hasattr(cmd_class, 'user_options') and
                 isinstance(cmd_class.user_options, list)):
-            raise DistutilsClassError(("command class %s must provide " +
-                   "'user_options' attribute (a list of tuples)") % \
-                  cmd_class)
+            msg = ("command class %s must provide "
+                "'user_options' attribute (a list of tuples)")
+            raise DistutilsClassError(msg % cmd_class)
 
         # If the command class has a list of negative alias options,
         # merge it in with the global negative aliases.
@@ -552,12 +553,11 @@ Common commands: (see '--help-commands' for more)
         # Check for help_options in command class.  They have a different
         # format (tuple of four) so we need to preprocess them here.
         if (hasattr(cmd_class, 'help_options') and
-            isinstance(cmd_class.help_options, list)):
+                isinstance(cmd_class.help_options, list)):
             help_options = fix_help_options(cmd_class.help_options)
         else:
             help_options = []
 
-
         # All commands support the global options too, just by adding
         # in 'global_options'.
         parser.set_option_table(self.global_options +
@@ -570,7 +570,7 @@ Common commands: (see '--help-commands' for more)
             return
 
         if (hasattr(cmd_class, 'help_options') and
-            isinstance(cmd_class.help_options, list)):
+                isinstance(cmd_class.help_options, list)):
             help_option_found=0
             for (help_option, short, desc, func) in cmd_class.help_options:
                 if hasattr(opts, parser.get_attr_name(help_option)):
@@ -647,7 +647,7 @@ Common commands: (see '--help-commands' for more)
             else:
                 klass = self.get_command_class(command)
             if (hasattr(klass, 'help_options') and
-                isinstance(klass.help_options, list)):
+                    isinstance(klass.help_options, list)):
                 parser.set_option_table(klass.user_options +
                                         fix_help_options(klass.help_options))
             else:
@@ -814,7 +814,7 @@ Common commands: (see '--help-commands' for more)
             klass_name = command
 
             try:
-                __import__ (module_name)
+                __import__(module_name)
                 module = sys.modules[module_name]
             except ImportError:
                 continue
@@ -823,8 +823,8 @@ Common commands: (see '--help-commands' for more)
                 klass = getattr(module, klass_name)
             except AttributeError:
                 raise DistutilsModuleError(
-                      "invalid command '%s' (no class '%s' in module '%s')"
-                      % (command, klass_name, module_name))
+                    "invalid command '%s' (no class '%s' in module '%s')"
+                    % (command, klass_name, module_name))
 
             self.cmdclass[command] = klass
             return klass
@@ -840,7 +840,7 @@ Common commands: (see '--help-commands' for more)
         cmd_obj = self.command_obj.get(command)
         if not cmd_obj and create:
             if DEBUG:
-                self.announce("Distribution.get_command_obj(): " \
+                self.announce("Distribution.get_command_obj(): "
                               "creating '%s' command object" % command)
 
             klass = self.get_command_class(command)
@@ -897,8 +897,8 @@ Common commands: (see '--help-commands' for more)
                     setattr(command_obj, option, value)
                 else:
                     raise DistutilsOptionError(
-                          "error in %s: command '%s' has no such option '%s'"
-                          % (source, command_name, option))
+                        "error in %s: command '%s' has no such option '%s'"
+                        % (source, command_name, option))
             except ValueError as msg:
                 raise DistutilsOptionError(msg)
 
@@ -974,7 +974,6 @@ Common commands: (see '--help-commands' for more)
         cmd_obj.run()
         self.have_run[command] = 1
 
-
     # -- Distribution query methods ------------------------------------
 
     def has_pure_modules(self):
@@ -1112,17 +1111,17 @@ class DistributionMetadata:
         """
         version = '1.0'
         if (self.provides or self.requires or self.obsoletes or
-            self.classifiers or self.download_url):
+                self.classifiers or self.download_url):
             version = '1.1'
 
         file.write('Metadata-Version: %s\n' % version)
-        file.write('Name: %s\n' % self.get_name() )
-        file.write('Version: %s\n' % self.get_version() )
-        file.write('Summary: %s\n' % self.get_description() )
-        file.write('Home-page: %s\n' % self.get_url() )
-        file.write('Author: %s\n' % self.get_contact() )
-        file.write('Author-email: %s\n' % self.get_contact_email() )
-        file.write('License: %s\n' % self.get_license() )
+        file.write('Name: %s\n' % self.get_name())
+        file.write('Version: %s\n' % self.get_version())
+        file.write('Summary: %s\n' % self.get_description())
+        file.write('Home-page: %s\n' % self.get_url())
+        file.write('Author: %s\n' % self.get_contact())
+        file.write('Author-email: %s\n' % self.get_contact_email())
+        file.write('License: %s\n' % self.get_license())
         if self.download_url:
             file.write('Download-URL: %s\n' % self.download_url)
 
@@ -1131,7 +1130,7 @@ class DistributionMetadata:
 
         keywords = ','.join(self.get_keywords())
         if keywords:
-            file.write('Keywords: %s\n' % keywords )
+            file.write('Keywords: %s\n' % keywords)
 
         self._write_list(file, 'Platform', self.get_platforms())
         self._write_list(file, 'Classifier', self.get_classifiers())
diff --git a/Lib/distutils/extension.py b/Lib/distutils/extension.py
index a93655a..7efbb74 100644
--- a/Lib/distutils/extension.py
+++ b/Lib/distutils/extension.py
@@ -131,6 +131,14 @@ class Extension:
             msg = "Unknown Extension options: %s" % options
             warnings.warn(msg)
 
+    def __repr__(self):
+        return '<%s.%s(%r) at %#x>' % (
+            self.__class__.__module__,
+            self.__class__.__qualname__,
+            self.name,
+            id(self))
+
+
 def read_setup_file(filename):
     """Reads a Setup file and returns Extension instances."""
     from distutils.sysconfig import (parse_makefile, expand_makefile_vars,
diff --git a/Lib/distutils/msvc9compiler.py b/Lib/distutils/msvc9compiler.py
index 9688f20..d1374ef 100644
--- a/Lib/distutils/msvc9compiler.py
+++ b/Lib/distutils/msvc9compiler.py
@@ -179,6 +179,9 @@ def get_build_version():
     i = i + len(prefix)
     s, rest = sys.version[i:].split(" ", 1)
     majorVersion = int(s[:-2]) - 6
+    if majorVersion >= 13:
+        # v13 was skipped and should be v14
+        majorVersion += 1
     minorVersion = int(s[2:3]) / 10.0
     # I don't think paths are affected by minor version in version 6
     if majorVersion == 6:
diff --git a/Lib/distutils/msvccompiler.py b/Lib/distutils/msvccompiler.py
index 8116656..1048cd4 100644
--- a/Lib/distutils/msvccompiler.py
+++ b/Lib/distutils/msvccompiler.py
@@ -157,6 +157,9 @@ def get_build_version():
     i = i + len(prefix)
     s, rest = sys.version[i:].split(" ", 1)
     majorVersion = int(s[:-2]) - 6
+    if majorVersion >= 13:
+        # v13 was skipped and should be v14
+        majorVersion += 1
     minorVersion = int(s[2:3]) / 10.0
     # I don't think paths are affected by minor version in version 6
     if majorVersion == 6:
diff --git a/Lib/distutils/spawn.py b/Lib/distutils/spawn.py
index 22e87e8..5dd415a 100644
--- a/Lib/distutils/spawn.py
+++ b/Lib/distutils/spawn.py
@@ -137,9 +137,6 @@ def _spawn_posix(cmd, search_path=1, verbose=0, dry_run=0):
             try:
                 pid, status = os.waitpid(pid, 0)
             except OSError as exc:
-                import errno
-                if exc.errno == errno.EINTR:
-                    continue
                 if not DEBUG:
                     cmd = executable
                 raise DistutilsExecError(
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index a1452fe..573724d 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -9,6 +9,7 @@ Written by:   Fred L. Drake, Jr.
 Email:        <fdrake@acm.org>
 """
 
+import _imp
 import os
 import re
 import sys
@@ -22,23 +23,15 @@ BASE_PREFIX = os.path.normpath(sys.base_prefix)
 BASE_EXEC_PREFIX = os.path.normpath(sys.base_exec_prefix)
 
 # Path to the base directory of the project. On Windows the binary may
-# live in project/PCBuild9.  If we're dealing with an x64 Windows build,
-# it'll live in project/PCbuild/amd64.
+# live in project/PCBuild/win32 or project/PCBuild/amd64.
 # set for cross builds
 if "_PYTHON_PROJECT_BASE" in os.environ:
     project_base = os.path.abspath(os.environ["_PYTHON_PROJECT_BASE"])
 else:
     project_base = os.path.dirname(os.path.abspath(sys.executable))
-if os.name == "nt" and "pcbuild" in project_base[-8:].lower():
-    project_base = os.path.abspath(os.path.join(project_base, os.path.pardir))
-# PC/VS7.1
-if os.name == "nt" and "\\pc\\v" in project_base[-10:].lower():
-    project_base = os.path.abspath(os.path.join(project_base, os.path.pardir,
-                                                os.path.pardir))
-# PC/AMD64
-if os.name == "nt" and "\\pcbuild\\amd64" in project_base[-14:].lower():
-    project_base = os.path.abspath(os.path.join(project_base, os.path.pardir,
-                                                os.path.pardir))
+if (os.name == 'nt' and
+    project_base.lower().endswith(('\\pcbuild\\win32', '\\pcbuild\\amd64'))):
+    project_base = os.path.dirname(os.path.dirname(project_base))
 
 # python_build: (Boolean) if true, we're either building Python or
 # building an extension with an un-installed Python, so we use
@@ -51,11 +44,9 @@ def _is_python_source_dir(d):
             return True
     return False
 _sys_home = getattr(sys, '_home', None)
-if _sys_home and os.name == 'nt' and \
-    _sys_home.lower().endswith(('pcbuild', 'pcbuild\\amd64')):
-    _sys_home = os.path.dirname(_sys_home)
-    if _sys_home.endswith('pcbuild'):   # must be amd64
-        _sys_home = os.path.dirname(_sys_home)
+if (_sys_home and os.name == 'nt' and
+    _sys_home.lower().endswith(('\\pcbuild\\win32', '\\pcbuild\\amd64'))):
+    _sys_home = os.path.dirname(os.path.dirname(_sys_home))
 def _python_build():
     if _sys_home:
         return _is_python_source_dir(_sys_home)
@@ -468,7 +459,7 @@ def _init_nt():
     # XXX hmmm.. a normal install puts include files here
     g['INCLUDEPY'] = get_python_inc(plat_specific=0)
 
-    g['EXT_SUFFIX'] = '.pyd'
+    g['EXT_SUFFIX'] = _imp.extension_suffixes()[0]
     g['EXE'] = ".exe"
     g['VERSION'] = get_python_version().replace(".", "")
     g['BINDIR'] = os.path.dirname(os.path.abspath(sys.executable))
diff --git a/Lib/distutils/tests/test_build_ext.py b/Lib/distutils/tests/test_build_ext.py
index b9f407f..366ffbe 100644
--- a/Lib/distutils/tests/test_build_ext.py
+++ b/Lib/distutils/tests/test_build_ext.py
@@ -37,6 +37,9 @@ class BuildExtTestCase(TempdirManager,
         from distutils.command import build_ext
         build_ext.USER_BASE = site.USER_BASE
 
+    def build_ext(self, *args, **kwargs):
+        return build_ext(*args, **kwargs)
+
     def test_build_ext(self):
         global ALREADY_TESTED
         copy_xxmodule_c(self.tmp_dir)
@@ -44,7 +47,7 @@ class BuildExtTestCase(TempdirManager,
         xx_ext = Extension('xx', [xx_c])
         dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
         dist.package_dir = self.tmp_dir
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         fixup_build_ext(cmd)
         cmd.build_lib = self.tmp_dir
         cmd.build_temp = self.tmp_dir
@@ -91,7 +94,7 @@ class BuildExtTestCase(TempdirManager,
 
     def test_solaris_enable_shared(self):
         dist = Distribution({'name': 'xx'})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         old = sys.platform
 
         sys.platform = 'sunos' # fooling finalize_options
@@ -113,7 +116,7 @@ class BuildExtTestCase(TempdirManager,
     def test_user_site(self):
         import site
         dist = Distribution({'name': 'xx'})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
 
         # making sure the user option is there
         options = [name for name, short, lable in
@@ -144,14 +147,14 @@ class BuildExtTestCase(TempdirManager,
         # with the optional argument.
         modules = [Extension('foo', ['xxx'], optional=False)]
         dist = Distribution({'name': 'xx', 'ext_modules': modules})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.ensure_finalized()
         self.assertRaises((UnknownFileError, CompileError),
                           cmd.run)  # should raise an error
 
         modules = [Extension('foo', ['xxx'], optional=True)]
         dist = Distribution({'name': 'xx', 'ext_modules': modules})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.ensure_finalized()
         cmd.run()  # should pass
 
@@ -160,7 +163,7 @@ class BuildExtTestCase(TempdirManager,
         # etc.) are in the include search path.
         modules = [Extension('foo', ['xxx'], optional=False)]
         dist = Distribution({'name': 'xx', 'ext_modules': modules})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.finalize_options()
 
         from distutils import sysconfig
@@ -172,14 +175,14 @@ class BuildExtTestCase(TempdirManager,
 
         # make sure cmd.libraries is turned into a list
         # if it's a string
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.libraries = 'my_lib, other_lib lastlib'
         cmd.finalize_options()
         self.assertEqual(cmd.libraries, ['my_lib', 'other_lib', 'lastlib'])
 
         # make sure cmd.library_dirs is turned into a list
         # if it's a string
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.library_dirs = 'my_lib_dir%sother_lib_dir' % os.pathsep
         cmd.finalize_options()
         self.assertIn('my_lib_dir', cmd.library_dirs)
@@ -187,7 +190,7 @@ class BuildExtTestCase(TempdirManager,
 
         # make sure rpath is turned into a list
         # if it's a string
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.rpath = 'one%stwo' % os.pathsep
         cmd.finalize_options()
         self.assertEqual(cmd.rpath, ['one', 'two'])
@@ -196,32 +199,32 @@ class BuildExtTestCase(TempdirManager,
 
         # make sure define is turned into 2-tuples
         # strings if they are ','-separated strings
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.define = 'one,two'
         cmd.finalize_options()
         self.assertEqual(cmd.define, [('one', '1'), ('two', '1')])
 
         # make sure undef is turned into a list of
         # strings if they are ','-separated strings
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.undef = 'one,two'
         cmd.finalize_options()
         self.assertEqual(cmd.undef, ['one', 'two'])
 
         # make sure swig_opts is turned into a list
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.swig_opts = None
         cmd.finalize_options()
         self.assertEqual(cmd.swig_opts, [])
 
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.swig_opts = '1 2'
         cmd.finalize_options()
         self.assertEqual(cmd.swig_opts, ['1', '2'])
 
     def test_check_extensions_list(self):
         dist = Distribution()
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.finalize_options()
 
         #'extensions' option must be a list of Extension instances
@@ -270,7 +273,7 @@ class BuildExtTestCase(TempdirManager,
     def test_get_source_files(self):
         modules = [Extension('foo', ['xxx'], optional=False)]
         dist = Distribution({'name': 'xx', 'ext_modules': modules})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.ensure_finalized()
         self.assertEqual(cmd.get_source_files(), ['xxx'])
 
@@ -279,7 +282,7 @@ class BuildExtTestCase(TempdirManager,
         # should not be overriden by a compiler instance
         # when the command is run
         dist = Distribution()
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.compiler = 'unix'
         cmd.ensure_finalized()
         cmd.run()
@@ -292,7 +295,7 @@ class BuildExtTestCase(TempdirManager,
         ext = Extension('foo', [c_file], optional=False)
         dist = Distribution({'name': 'xx',
                              'ext_modules': [ext]})
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         fixup_build_ext(cmd)
         cmd.ensure_finalized()
         self.assertEqual(len(cmd.get_outputs()), 1)
@@ -355,7 +358,7 @@ class BuildExtTestCase(TempdirManager,
         #etree_ext = Extension('lxml.etree', [etree_c])
         #dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]})
         dist = Distribution()
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.inplace = 1
         cmd.distribution.package_dir = {'': 'src'}
         cmd.distribution.packages = ['lxml', 'lxml.html']
@@ -462,7 +465,7 @@ class BuildExtTestCase(TempdirManager,
             'ext_modules': [deptarget_ext]
         })
         dist.package_dir = self.tmp_dir
-        cmd = build_ext(dist)
+        cmd = self.build_ext(dist)
         cmd.build_lib = self.tmp_dir
         cmd.build_temp = self.tmp_dir
 
@@ -481,8 +484,19 @@ class BuildExtTestCase(TempdirManager,
             self.fail("Wrong deployment target during compilation")
 
 
+class ParallelBuildExtTestCase(BuildExtTestCase):
+
+    def build_ext(self, *args, **kwargs):
+        build_ext = super().build_ext(*args, **kwargs)
+        build_ext.parallel = True
+        return build_ext
+
+
 def test_suite():
-    return unittest.makeSuite(BuildExtTestCase)
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(BuildExtTestCase))
+    suite.addTest(unittest.makeSuite(ParallelBuildExtTestCase))
+    return suite
 
 if __name__ == '__main__':
-    support.run_unittest(test_suite())
+    support.run_unittest(__name__)
diff --git a/Lib/distutils/tests/test_build_py.py b/Lib/distutils/tests/test_build_py.py
index c8f6b89..18283dc 100644
--- a/Lib/distutils/tests/test_build_py.py
+++ b/Lib/distutils/tests/test_build_py.py
@@ -120,8 +120,8 @@ class BuildPyTestCase(support.TempdirManager,
         found = os.listdir(cmd.build_lib)
         self.assertEqual(sorted(found), ['__pycache__', 'boiledeggs.py'])
         found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
-        self.assertEqual(sorted(found),
-                         ['boiledeggs.%s.pyo' % sys.implementation.cache_tag])
+        expect = 'boiledeggs.{}.opt-1.pyc'.format(sys.implementation.cache_tag)
+        self.assertEqual(sorted(found), [expect])
 
     def test_dir_in_package_data(self):
         """
diff --git a/Lib/distutils/tests/test_install.py b/Lib/distutils/tests/test_install.py
index 18e1e57..9313330 100644
--- a/Lib/distutils/tests/test_install.py
+++ b/Lib/distutils/tests/test_install.py
@@ -20,8 +20,6 @@ from distutils.tests import support
 
 
 def _make_ext_name(modname):
-    if os.name == 'nt' and sys.executable.endswith('_d.exe'):
-        modname += '_d'
     return modname + sysconfig.get_config_var('EXT_SUFFIX')
 
 
diff --git a/Lib/distutils/tests/test_install_lib.py b/Lib/distutils/tests/test_install_lib.py
index 40dd1a9..5378aa8 100644
--- a/Lib/distutils/tests/test_install_lib.py
+++ b/Lib/distutils/tests/test_install_lib.py
@@ -44,12 +44,11 @@ class InstallLibTestCase(support.TempdirManager,
         f = os.path.join(project_dir, 'foo.py')
         self.write_file(f, '# python file')
         cmd.byte_compile([f])
-        pyc_file = importlib.util.cache_from_source('foo.py',
-                                                    debug_override=True)
-        pyo_file = importlib.util.cache_from_source('foo.py',
-                                                    debug_override=False)
+        pyc_file = importlib.util.cache_from_source('foo.py', optimization='')
+        pyc_opt_file = importlib.util.cache_from_source('foo.py',
+                                                    optimization=cmd.optimize)
         self.assertTrue(os.path.exists(pyc_file))
-        self.assertTrue(os.path.exists(pyo_file))
+        self.assertTrue(os.path.exists(pyc_opt_file))
 
     def test_get_outputs(self):
         project_dir, dist = self.create_dist()
@@ -66,8 +65,8 @@ class InstallLibTestCase(support.TempdirManager,
         cmd.distribution.packages = ['spam']
         cmd.distribution.script_name = 'setup.py'
 
-        # get_outputs should return 4 elements: spam/__init__.py, .pyc and
-        # .pyo, foo.import-tag-abiflags.so / foo.pyd
+        # get_outputs should return 4 elements: spam/__init__.py and .pyc,
+        # foo.import-tag-abiflags.so / foo.pyd
         outputs = cmd.get_outputs()
         self.assertEqual(len(outputs), 4, outputs)
 
diff --git a/Lib/distutils/util.py b/Lib/distutils/util.py
index 5adcac5..e423325 100644
--- a/Lib/distutils/util.py
+++ b/Lib/distutils/util.py
@@ -322,11 +322,11 @@ def byte_compile (py_files,
                   prefix=None, base_dir=None,
                   verbose=1, dry_run=0,
                   direct=None):
-    """Byte-compile a collection of Python source files to either .pyc
-    or .pyo files in a __pycache__ subdirectory.  'py_files' is a list
+    """Byte-compile a collection of Python source files to .pyc
+    files in a __pycache__ subdirectory.  'py_files' is a list
     of files to compile; any files that don't end in ".py" are silently
     skipped.  'optimize' must be one of the following:
-      0 - don't optimize (generate .pyc)
+      0 - don't optimize
       1 - normal optimization (like "python -O")
       2 - extra optimization (like "python -OO")
     If 'force' is true, all files are recompiled regardless of
@@ -438,8 +438,9 @@ byte_compile(files, optimize=%r, force=%r,
             #   cfile - byte-compiled file
             #   dfile - purported source filename (same as 'file' by default)
             if optimize >= 0:
+                opt = '' if optimize == 0 else optimize
                 cfile = importlib.util.cache_from_source(
-                    file, debug_override=not optimize)
+                    file, optimization=opt)
             else:
                 cfile = importlib.util.cache_from_source(file)
             dfile = file
diff --git a/Lib/distutils/version.py b/Lib/distutils/version.py
index ebcab84..af14cc1 100644
--- a/Lib/distutils/version.py
+++ b/Lib/distutils/version.py
@@ -48,12 +48,6 @@ class Version:
             return c
         return c == 0
 
-    def __ne__(self, other):
-        c = self._cmp(other)
-        if c is NotImplemented:
-            return c
-        return c != 0
-
     def __lt__(self, other):
         c = self._cmp(other)
         if c is NotImplemented:
diff --git a/Lib/doctest.py b/Lib/doctest.py
index 64e6d71..96ab0c4 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -530,8 +530,9 @@ class DocTest:
             examples = '1 example'
         else:
             examples = '%d examples' % len(self.examples)
-        return ('<DocTest %s from %s:%s (%s)>' %
-                (self.name, self.filename, self.lineno, examples))
+        return ('<%s %s from %s:%s (%s)>' %
+                (self.__class__.__name__,
+                 self.name, self.filename, self.lineno, examples))
 
     def __eq__(self, other):
         if type(self) is not type(other):
@@ -978,7 +979,8 @@ class DocTestFinder:
             for valname, val in obj.__dict__.items():
                 valname = '%s.%s' % (name, valname)
                 # Recurse to functions & classes.
-                if ((inspect.isroutine(val) or inspect.isclass(val)) and
+                if ((inspect.isroutine(inspect.unwrap(val))
+                     or inspect.isclass(val)) and
                     self._from_module(module, val)):
                     self._find(tests, val, valname, module, source_lines,
                                globs, seen)
@@ -1049,7 +1051,7 @@ class DocTestFinder:
             filename = None
         else:
             filename = getattr(module, '__file__', module.__name__)
-            if filename[-4:] in (".pyc", ".pyo"):
+            if filename[-4:] == ".pyc":
                 filename = filename[:-1]
         return self._parser.get_doctest(docstring, globs, name,
                                         filename, lineno)
@@ -2367,15 +2369,6 @@ def DocTestSuite(module=None, globs=None, extraglobs=None, test_finder=None,
         suite = _DocTestSuite()
         suite.addTest(SkipDocTestCase(module))
         return suite
-    elif not tests:
-        # Why do we want to do this? Because it reveals a bug that might
-        # otherwise be hidden.
-        # It is probably a bug that this exception is not also raised if the
-        # number of doctest examples in tests is zero (i.e. if no doctest
-        # examples were found).  However, we should probably not be raising
-        # an exception at all here, though it is too late to make this change
-        # for a maintenance release.  See also issue #14649.
-        raise ValueError(module, "has no docstrings")
 
     tests.sort()
     suite = _DocTestSuite()
@@ -2385,7 +2378,7 @@ def DocTestSuite(module=None, globs=None, extraglobs=None, test_finder=None,
             continue
         if not test.filename:
             filename = module.__file__
-            if filename[-4:] in (".pyc", ".pyo"):
+            if filename[-4:] == ".pyc":
                 filename = filename[:-1]
             test.filename = filename
         suite.addTest(DocTestCase(test, **options))
diff --git a/Lib/email/__init__.py b/Lib/email/__init__.py
index ff16f6a..fae8724 100644
--- a/Lib/email/__init__.py
+++ b/Lib/email/__init__.py
@@ -4,8 +4,6 @@
 
 """A package for parsing, handling, and generating email messages."""
 
-__version__ = '5.1.0'
-
 __all__ = [
     'base64mime',
     'charset',
diff --git a/Lib/email/charset.py b/Lib/email/charset.py
index e999472..ee56404 100644
--- a/Lib/email/charset.py
+++ b/Lib/email/charset.py
@@ -249,9 +249,6 @@ class Charset:
     def __eq__(self, other):
         return str(self) == str(other).lower()
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
     def get_body_encoding(self):
         """Return the content-transfer-encoding used for body encoding.
 
diff --git a/Lib/email/header.py b/Lib/email/header.py
index 9c89589..6820ea1 100644
--- a/Lib/email/header.py
+++ b/Lib/email/header.py
@@ -262,9 +262,6 @@ class Header:
         # args and do another comparison.
         return other == str(self)
 
-    def __ne__(self, other):
-        return not self == other
-
     def append(self, s, charset=None, errors='strict'):
         """Append a string to the MIME header.
 
diff --git a/Lib/email/headerregistry.py b/Lib/email/headerregistry.py
index 911a2af..468ca9e 100644
--- a/Lib/email/headerregistry.py
+++ b/Lib/email/headerregistry.py
@@ -81,7 +81,8 @@ class Address:
         return lp
 
     def __repr__(self):
-        return "Address(display_name={!r}, username={!r}, domain={!r})".format(
+        return "{}(display_name={!r}, username={!r}, domain={!r})".format(
+                        self.__class__.__name__,
                         self.display_name, self.username, self.domain)
 
     def __str__(self):
@@ -132,7 +133,8 @@ class Group:
         return self._addresses
 
     def __repr__(self):
-        return "Group(display_name={!r}, addresses={!r}".format(
+        return "{}(display_name={!r}, addresses={!r}".format(
+                 self.__class__.__name__,
                  self.display_name, self.addresses)
 
     def __str__(self):
diff --git a/Lib/email/message.py b/Lib/email/message.py
index 2f37dbb..3d3138f 100644
--- a/Lib/email/message.py
+++ b/Lib/email/message.py
@@ -930,17 +930,6 @@ class Message:
     # I.e. def walk(self): ...
     from email.iterators import walk
 
-# XXX Support for temporary deprecation hack for is_attachment property.
-class _IsAttachment:
-    def __init__(self, value):
-        self.value = value
-    def __call__(self):
-        return self.value
-    def __bool__(self):
-        warnings.warn("is_attachment will be a method, not a property, in 3.5",
-                      DeprecationWarning,
-                      stacklevel=3)
-        return self.value
 
 class MIMEPart(Message):
 
@@ -950,12 +939,9 @@ class MIMEPart(Message):
             policy = default
         Message.__init__(self, policy)
 
-    @property
     def is_attachment(self):
         c_d = self.get('content-disposition')
-        result = False if c_d is None else c_d.content_disposition == 'attachment'
-        # XXX transitional hack to raise deprecation if not called.
-        return _IsAttachment(result)
+        return False if c_d is None else c_d.content_disposition == 'attachment'
 
     def _find_body(self, part, preferencelist):
         if part.is_attachment():
diff --git a/Lib/email/mime/text.py b/Lib/email/mime/text.py
index ec18b85..479928e 100644
--- a/Lib/email/mime/text.py
+++ b/Lib/email/mime/text.py
@@ -6,6 +6,7 @@
 
 __all__ = ['MIMEText']
 
+from email.charset import Charset
 from email.mime.nonmultipart import MIMENonMultipart
 
 
@@ -34,6 +35,8 @@ class MIMEText(MIMENonMultipart):
                 _charset = 'us-ascii'
             except UnicodeEncodeError:
                 _charset = 'utf-8'
+        if isinstance(_charset, Charset):
+            _charset = str(_charset)
 
         MIMENonMultipart.__init__(self, 'text', _subtype,
                                   **{'charset': _charset})
diff --git a/Lib/encodings/cp65001.py b/Lib/encodings/cp65001.py
index 287eb87..95cb2ae 100644
--- a/Lib/encodings/cp65001.py
+++ b/Lib/encodings/cp65001.py
@@ -11,20 +11,23 @@ if not hasattr(codecs, 'code_page_encode'):
 ### Codec APIs
 
 encode = functools.partial(codecs.code_page_encode, 65001)
-decode = functools.partial(codecs.code_page_decode, 65001)
+_decode = functools.partial(codecs.code_page_decode, 65001)
+
+def decode(input, errors='strict'):
+    return codecs.code_page_decode(65001, input, errors, True)
 
 class IncrementalEncoder(codecs.IncrementalEncoder):
     def encode(self, input, final=False):
         return encode(input, self.errors)[0]
 
 class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
-    _buffer_decode = decode
+    _buffer_decode = _decode
 
 class StreamWriter(codecs.StreamWriter):
     encode = encode
 
 class StreamReader(codecs.StreamReader):
-    decode = decode
+    decode = _decode
 
 ### encodings module API
 
diff --git a/Lib/enum.py b/Lib/enum.py
index 3cd3df8..c28f345 100644
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -106,12 +106,20 @@ class EnumMeta(type):
             raise ValueError('Invalid enum member name: {0}'.format(
                 ','.join(invalid_names)))
 
+        # create a default docstring if one has not been provided
+        if '__doc__' not in classdict:
+            classdict['__doc__'] = 'An enumeration.'
+
         # create our new Enum type
         enum_class = super().__new__(metacls, cls, bases, classdict)
         enum_class._member_names_ = []               # names in definition order
         enum_class._member_map_ = OrderedDict()      # name->value map
         enum_class._member_type_ = member_type
 
+        # save attributes from super classes so we know if we can take
+        # the shortcut of storing members in the class dict
+        base_attributes = {a for b in bases for a in b.__dict__}
+
         # Reverse value->name map for hashable values.
         enum_class._value2member_map_ = {}
 
@@ -165,6 +173,11 @@ class EnumMeta(type):
             else:
                 # Aliases don't appear in member names (only in __members__).
                 enum_class._member_names_.append(member_name)
+            # performance boost for any member that would not shadow
+            # a DynamicClassAttribute
+            if member_name not in base_attributes:
+                setattr(enum_class, member_name, enum_member)
+            # now add to _member_map_
             enum_class._member_map_[member_name] = enum_member
             try:
                 # This may fail if value is not hashable. We can't add the value
@@ -193,7 +206,7 @@ class EnumMeta(type):
             enum_class.__new__ = Enum.__new__
         return enum_class
 
-    def __call__(cls, value, names=None, *, module=None, qualname=None, type=None):
+    def __call__(cls, value, names=None, *, module=None, qualname=None, type=None, start=1):
         """Either returns an existing member, or creates a new enum class.
 
         This method is used both when an enum class is given a value to match
@@ -205,7 +218,7 @@ class EnumMeta(type):
         `value` will be the name of the new class.
 
         `names` should be either a string of white-space/comma delimited names
-        (values will start at 1), or an iterator/mapping of name, value pairs.
+        (values will start at `start`), or an iterator/mapping of name, value pairs.
 
         `module` should be set to the module this class is being created in;
         if it is not set, an attempt to find that module will be made, but if
@@ -221,7 +234,7 @@ class EnumMeta(type):
         if names is None:  # simple value lookup
             return cls.__new__(cls, value)
         # otherwise, functional API: we're creating a new Enum type
-        return cls._create_(value, names, module=module, qualname=qualname, type=type)
+        return cls._create_(value, names, module=module, qualname=qualname, type=type, start=start)
 
     def __contains__(cls, member):
         return isinstance(member, cls) and member._name_ in cls._member_map_
@@ -292,16 +305,16 @@ class EnumMeta(type):
             raise AttributeError('Cannot reassign members.')
         super().__setattr__(name, value)
 
-    def _create_(cls, class_name, names=None, *, module=None, qualname=None, type=None):
+    def _create_(cls, class_name, names=None, *, module=None, qualname=None, type=None, start=1):
         """Convenience method to create a new Enum class.
 
         `names` can be:
 
         * A string containing member names, separated either with spaces or
-          commas.  Values are auto-numbered from 1.
-        * An iterable of member names.  Values are auto-numbered from 1.
+          commas.  Values are incremented by 1 from `start`.
+        * An iterable of member names.  Values are incremented by 1 from `start`.
         * An iterable of (member name, value) pairs.
-        * A mapping of member name -> value.
+        * A mapping of member name -> value pairs.
 
         """
         metacls = cls.__class__
@@ -312,7 +325,7 @@ class EnumMeta(type):
         if isinstance(names, str):
             names = names.replace(',', ' ').split()
         if isinstance(names, (tuple, list)) and isinstance(names[0], str):
-            names = [(e, i) for (i, e) in enumerate(names, 1)]
+            names = [(e, i) for (i, e) in enumerate(names, start)]
 
         # Here, names is either an iterable of (name, value) or a mapping.
         for item in names:
@@ -468,10 +481,9 @@ class Enum(metaclass=EnumMeta):
                 m
                 for cls in self.__class__.mro()
                 for m in cls.__dict__
-                if m[0] != '_'
+                if m[0] != '_' and m not in self._member_map_
                 ]
-        return (['__class__', '__doc__', '__module__', 'name', 'value'] +
-                added_behavior)
+        return (['__class__', '__doc__', '__module__'] + added_behavior)
 
     def __format__(self, format_spec):
         # mixed-in Enums should use the mixed-in type's __format__, otherwise
diff --git a/Lib/fileinput.py b/Lib/fileinput.py
index 8af4a57..af810d1 100644
--- a/Lib/fileinput.py
+++ b/Lib/fileinput.py
@@ -277,24 +277,24 @@ class FileInput:
 
     def nextfile(self):
         savestdout = self._savestdout
-        self._savestdout = 0
+        self._savestdout = None
         if savestdout:
             sys.stdout = savestdout
 
         output = self._output
-        self._output = 0
+        self._output = None
         try:
             if output:
                 output.close()
         finally:
             file = self._file
-            self._file = 0
+            self._file = None
             try:
                 if file and not self._isstdin:
                     file.close()
             finally:
                 backupfilename = self._backupfilename
-                self._backupfilename = 0
+                self._backupfilename = None
                 if backupfilename and not self._backup:
                     try: os.unlink(backupfilename)
                     except OSError: pass
diff --git a/Lib/formatter.py b/Lib/formatter.py
index 9338261..5e8e2ff 100644
--- a/Lib/formatter.py
+++ b/Lib/formatter.py
@@ -21,7 +21,7 @@ manage and inserting data into the output.
 import sys
 import warnings
 warnings.warn('the formatter module is deprecated and will be removed in '
-              'Python 3.6', PendingDeprecationWarning)
+              'Python 3.6', DeprecationWarning, stacklevel=2)
 
 
 AS_IS = None
diff --git a/Lib/fractions.py b/Lib/fractions.py
index 79e83ff..5ddc84c 100644
--- a/Lib/fractions.py
+++ b/Lib/fractions.py
@@ -70,7 +70,7 @@ class Fraction(numbers.Rational):
     __slots__ = ('_numerator', '_denominator')
 
     # We're immutable, so use __new__ not __init__
-    def __new__(cls, numerator=0, denominator=None):
+    def __new__(cls, numerator=0, denominator=None, _normalize=True):
         """Constructs a Rational.
 
         Takes a string like '3/2' or '1.5', another Rational instance, a
@@ -104,7 +104,12 @@ class Fraction(numbers.Rational):
         self = super(Fraction, cls).__new__(cls)
 
         if denominator is None:
-            if isinstance(numerator, numbers.Rational):
+            if type(numerator) is int:
+                self._numerator = numerator
+                self._denominator = 1
+                return self
+
+            elif isinstance(numerator, numbers.Rational):
                 self._numerator = numerator.numerator
                 self._denominator = numerator.denominator
                 return self
@@ -153,6 +158,9 @@ class Fraction(numbers.Rational):
                 raise TypeError("argument should be a string "
                                 "or a Rational instance")
 
+        elif type(numerator) is int is type(denominator):
+            pass  # *very* normal case
+
         elif (isinstance(numerator, numbers.Rational) and
             isinstance(denominator, numbers.Rational)):
             numerator, denominator = (
@@ -165,9 +173,12 @@ class Fraction(numbers.Rational):
 
         if denominator == 0:
             raise ZeroDivisionError('Fraction(%s, 0)' % numerator)
-        g = gcd(numerator, denominator)
-        self._numerator = numerator // g
-        self._denominator = denominator // g
+        if _normalize:
+            g = gcd(numerator, denominator)
+            numerator //= g
+            denominator //= g
+        self._numerator = numerator
+        self._denominator = denominator
         return self
 
     @classmethod
@@ -277,7 +288,8 @@ class Fraction(numbers.Rational):
 
     def __repr__(self):
         """repr(self)"""
-        return ('Fraction(%s, %s)' % (self._numerator, self._denominator))
+        return '%s(%s, %s)' % (self.__class__.__name__,
+                               self._numerator, self._denominator)
 
     def __str__(self):
         """str(self)"""
@@ -395,17 +407,17 @@ class Fraction(numbers.Rational):
 
     def _add(a, b):
         """a + b"""
-        return Fraction(a.numerator * b.denominator +
-                        b.numerator * a.denominator,
-                        a.denominator * b.denominator)
+        da, db = a.denominator, b.denominator
+        return Fraction(a.numerator * db + b.numerator * da,
+                        da * db)
 
     __add__, __radd__ = _operator_fallbacks(_add, operator.add)
 
     def _sub(a, b):
         """a - b"""
-        return Fraction(a.numerator * b.denominator -
-                        b.numerator * a.denominator,
-                        a.denominator * b.denominator)
+        da, db = a.denominator, b.denominator
+        return Fraction(a.numerator * db - b.numerator * da,
+                        da * db)
 
     __sub__, __rsub__ = _operator_fallbacks(_sub, operator.sub)
 
@@ -453,10 +465,12 @@ class Fraction(numbers.Rational):
                 power = b.numerator
                 if power >= 0:
                     return Fraction(a._numerator ** power,
-                                    a._denominator ** power)
+                                    a._denominator ** power,
+                                    _normalize=False)
                 else:
                     return Fraction(a._denominator ** -power,
-                                    a._numerator ** -power)
+                                    a._numerator ** -power,
+                                    _normalize=False)
             else:
                 # A fractional power will generally produce an
                 # irrational number.
@@ -480,15 +494,15 @@ class Fraction(numbers.Rational):
 
     def __pos__(a):
         """+a: Coerces a subclass instance to Fraction"""
-        return Fraction(a._numerator, a._denominator)
+        return Fraction(a._numerator, a._denominator, _normalize=False)
 
     def __neg__(a):
         """-a"""
-        return Fraction(-a._numerator, a._denominator)
+        return Fraction(-a._numerator, a._denominator, _normalize=False)
 
     def __abs__(a):
         """abs(a)"""
-        return Fraction(abs(a._numerator), a._denominator)
+        return Fraction(abs(a._numerator), a._denominator, _normalize=False)
 
     def __trunc__(a):
         """trunc(a)"""
@@ -555,6 +569,8 @@ class Fraction(numbers.Rational):
 
     def __eq__(a, b):
         """a == b"""
+        if type(b) is int:
+            return a._numerator == b and a._denominator == 1
         if isinstance(b, numbers.Rational):
             return (a._numerator == b.numerator and
                     a._denominator == b.denominator)
diff --git a/Lib/ftplib.py b/Lib/ftplib.py
index 4d92b86..54b0e2c 100644
--- a/Lib/ftplib.py
+++ b/Lib/ftplib.py
@@ -42,7 +42,7 @@ import socket
 import warnings
 from socket import _GLOBAL_DEFAULT_TIMEOUT
 
-__all__ = ["FTP", "Netrc"]
+__all__ = ["FTP"]
 
 # Magic number from <socket.h>
 MSG_OOB = 0x1                           # Process data out of band
@@ -923,115 +923,6 @@ def ftpcp(source, sourcename, target, targetname = '', type = 'I'):
     target.voidresp()
 
 
-class Netrc:
-    """Class to parse & provide access to 'netrc' format files.
-
-    See the netrc(4) man page for information on the file format.
-
-    WARNING: This class is obsolete -- use module netrc instead.
-
-    """
-    __defuser = None
-    __defpasswd = None
-    __defacct = None
-
-    def __init__(self, filename=None):
-        warnings.warn("This class is deprecated, use the netrc module instead",
-                      DeprecationWarning, 2)
-        if filename is None:
-            if "HOME" in os.environ:
-                filename = os.path.join(os.environ["HOME"],
-                                        ".netrc")
-            else:
-                raise OSError("specify file to load or set $HOME")
-        self.__hosts = {}
-        self.__macros = {}
-        fp = open(filename, "r")
-        in_macro = 0
-        while 1:
-            line = fp.readline()
-            if not line:
-                break
-            if in_macro and line.strip():
-                macro_lines.append(line)
-                continue
-            elif in_macro:
-                self.__macros[macro_name] = tuple(macro_lines)
-                in_macro = 0
-            words = line.split()
-            host = user = passwd = acct = None
-            default = 0
-            i = 0
-            while i < len(words):
-                w1 = words[i]
-                if i+1 < len(words):
-                    w2 = words[i + 1]
-                else:
-                    w2 = None
-                if w1 == 'default':
-                    default = 1
-                elif w1 == 'machine' and w2:
-                    host = w2.lower()
-                    i = i + 1
-                elif w1 == 'login' and w2:
-                    user = w2
-                    i = i + 1
-                elif w1 == 'password' and w2:
-                    passwd = w2
-                    i = i + 1
-                elif w1 == 'account' and w2:
-                    acct = w2
-                    i = i + 1
-                elif w1 == 'macdef' and w2:
-                    macro_name = w2
-                    macro_lines = []
-                    in_macro = 1
-                    break
-                i = i + 1
-            if default:
-                self.__defuser = user or self.__defuser
-                self.__defpasswd = passwd or self.__defpasswd
-                self.__defacct = acct or self.__defacct
-            if host:
-                if host in self.__hosts:
-                    ouser, opasswd, oacct = \
-                           self.__hosts[host]
-                    user = user or ouser
-                    passwd = passwd or opasswd
-                    acct = acct or oacct
-                self.__hosts[host] = user, passwd, acct
-        fp.close()
-
-    def get_hosts(self):
-        """Return a list of hosts mentioned in the .netrc file."""
-        return self.__hosts.keys()
-
-    def get_account(self, host):
-        """Returns login information for the named host.
-
-        The return value is a triple containing userid,
-        password, and the accounting field.
-
-        """
-        host = host.lower()
-        user = passwd = acct = None
-        if host in self.__hosts:
-            user, passwd, acct = self.__hosts[host]
-        user = user or self.__defuser
-        passwd = passwd or self.__defpasswd
-        acct = acct or self.__defacct
-        return user, passwd, acct
-
-    def get_macros(self):
-        """Return a list of all defined macro names."""
-        return self.__macros.keys()
-
-    def get_macro(self, macro):
-        """Return a sequence of lines which define a named macro."""
-        return self.__macros[macro]
-
-
-
 def test():
     '''Test program.
     Usage: ftp [-d] [-r[file]] host [-l[dir]] [-d[dir]] [-p] [file] ...
@@ -1045,6 +936,8 @@ def test():
         print(test.__doc__)
         sys.exit(0)
 
+    import netrc
+
     debugging = 0
     rcfile = None
     while sys.argv[1] == '-d':
@@ -1059,14 +952,14 @@ def test():
     ftp.set_debuglevel(debugging)
     userid = passwd = acct = ''
     try:
-        netrc = Netrc(rcfile)
+        netrcobj = netrc.netrc(rcfile)
     except OSError:
         if rcfile is not None:
             sys.stderr.write("Could not open account file"
                              " -- using anonymous login.")
     else:
         try:
-            userid, passwd, acct = netrc.get_account(host)
+            userid, acct, passwd = netrcobj.authenticators(host)
         except KeyError:
             # no account for host
             sys.stderr.write(
diff --git a/Lib/functools.py b/Lib/functools.py
index 3e93a3d..91e9685 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -98,7 +98,7 @@ def _gt_from_lt(self, other):
     'Return a > b.  Computed by @total_ordering from (not a < b) and (a != b).'
     op_result = self.__lt__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result and self != other
 
 def _le_from_lt(self, other):
@@ -110,35 +110,35 @@ def _ge_from_lt(self, other):
     'Return a >= b.  Computed by @total_ordering from (not a < b).'
     op_result = self.__lt__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result
 
 def _ge_from_le(self, other):
     'Return a >= b.  Computed by @total_ordering from (not a <= b) or (a == b).'
     op_result = self.__le__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result or self == other
 
 def _lt_from_le(self, other):
     'Return a < b.  Computed by @total_ordering from (a <= b) and (a != b).'
     op_result = self.__le__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return op_result and self != other
 
 def _gt_from_le(self, other):
     'Return a > b.  Computed by @total_ordering from (not a <= b).'
     op_result = self.__le__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result
 
 def _lt_from_gt(self, other):
     'Return a < b.  Computed by @total_ordering from (not a > b) and (a != b).'
     op_result = self.__gt__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result and self != other
 
 def _ge_from_gt(self, other):
@@ -150,52 +150,53 @@ def _le_from_gt(self, other):
     'Return a <= b.  Computed by @total_ordering from (not a > b).'
     op_result = self.__gt__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result
 
 def _le_from_ge(self, other):
     'Return a <= b.  Computed by @total_ordering from (not a >= b) or (a == b).'
     op_result = self.__ge__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result or self == other
 
 def _gt_from_ge(self, other):
     'Return a > b.  Computed by @total_ordering from (a >= b) and (a != b).'
     op_result = self.__ge__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return op_result and self != other
 
 def _lt_from_ge(self, other):
     'Return a < b.  Computed by @total_ordering from (not a >= b).'
     op_result = self.__ge__(other)
     if op_result is NotImplemented:
-        return NotImplemented
+        return op_result
     return not op_result
 
+_convert = {
+    '__lt__': [('__gt__', _gt_from_lt),
+               ('__le__', _le_from_lt),
+               ('__ge__', _ge_from_lt)],
+    '__le__': [('__ge__', _ge_from_le),
+               ('__lt__', _lt_from_le),
+               ('__gt__', _gt_from_le)],
+    '__gt__': [('__lt__', _lt_from_gt),
+               ('__ge__', _ge_from_gt),
+               ('__le__', _le_from_gt)],
+    '__ge__': [('__le__', _le_from_ge),
+               ('__gt__', _gt_from_ge),
+               ('__lt__', _lt_from_ge)]
+}
+
 def total_ordering(cls):
     """Class decorator that fills in missing ordering methods"""
-    convert = {
-        '__lt__': [('__gt__', _gt_from_lt),
-                   ('__le__', _le_from_lt),
-                   ('__ge__', _ge_from_lt)],
-        '__le__': [('__ge__', _ge_from_le),
-                   ('__lt__', _lt_from_le),
-                   ('__gt__', _gt_from_le)],
-        '__gt__': [('__lt__', _lt_from_gt),
-                   ('__ge__', _ge_from_gt),
-                   ('__le__', _le_from_gt)],
-        '__ge__': [('__le__', _le_from_ge),
-                   ('__gt__', _gt_from_ge),
-                   ('__lt__', _lt_from_ge)]
-    }
     # Find user-defined comparisons (not those inherited from object).
-    roots = [op for op in convert if getattr(cls, op, None) is not getattr(object, op, None)]
+    roots = [op for op in _convert if getattr(cls, op, None) is not getattr(object, op, None)]
     if not roots:
         raise ValueError('must define at least one ordering operation: < > <= >=')
     root = max(roots)       # prefer __lt__ to __le__ to __gt__ to __ge__
-    for opname, opfunc in convert[root]:
+    for opname, opfunc in _convert[root]:
         if opname not in roots:
             opfunc.__name__ = opname
             setattr(cls, opname, opfunc)
@@ -222,8 +223,6 @@ def cmp_to_key(mycmp):
             return mycmp(self.obj, other.obj) <= 0
         def __ge__(self, other):
             return mycmp(self.obj, other.obj) >= 0
-        def __ne__(self, other):
-            return mycmp(self.obj, other.obj) != 0
         __hash__ = None
     return K
 
@@ -242,6 +241,14 @@ def partial(func, *args, **keywords):
     """New function with partial application of the given arguments
     and keywords.
     """
+    if hasattr(func, 'func'):
+        args = func.args + args
+        tmpkw = func.keywords.copy()
+        tmpkw.update(keywords)
+        keywords = tmpkw
+        del tmpkw
+        func = func.func
+
     def newfunc(*fargs, **fkeywords):
         newkeywords = keywords.copy()
         newkeywords.update(fkeywords)
@@ -291,7 +298,7 @@ class partialmethod(object):
                                  for k, v in self.keywords.items())
         format_string = "{module}.{cls}({func}, {args}, {keywords})"
         return format_string.format(module=self.__class__.__module__,
-                                    cls=self.__class__.__name__,
+                                    cls=self.__class__.__qualname__,
                                     func=self.func,
                                     args=args,
                                     keywords=keywords)
diff --git a/Lib/genericpath.py b/Lib/genericpath.py
index ca4a510..6714061 100644
--- a/Lib/genericpath.py
+++ b/Lib/genericpath.py
@@ -130,3 +130,16 @@ def _splitext(p, sep, altsep, extsep):
             filenameIndex += 1
 
     return p, p[:0]
+
+def _check_arg_types(funcname, *args):
+    hasstr = hasbytes = False
+    for s in args:
+        if isinstance(s, str):
+            hasstr = True
+        elif isinstance(s, bytes):
+            hasbytes = True
+        else:
+            raise TypeError('%s() argument must be str or bytes, not %r' %
+                            (funcname, s.__class__.__name__)) from None
+    if hasstr and hasbytes:
+        raise TypeError("Can't mix strings and bytes in path components") from None
diff --git a/Lib/gettext.py b/Lib/gettext.py
index 8caf1d1..101378f 100644
--- a/Lib/gettext.py
+++ b/Lib/gettext.py
@@ -227,6 +227,13 @@ class GNUTranslations(NullTranslations):
     LE_MAGIC = 0x950412de
     BE_MAGIC = 0xde120495
 
+    # Acceptable .mo versions
+    VERSIONS = (0, 1)
+
+    def _get_versions(self, version):
+        """Returns a tuple of major version, minor version"""
+        return (version >> 16, version & 0xffff)
+
     def _parse(self, fp):
         """Override this method to support alternative .mo formats."""
         unpack = struct.unpack
@@ -247,6 +254,12 @@ class GNUTranslations(NullTranslations):
             ii = '>II'
         else:
             raise OSError(0, 'Bad magic number', filename)
+
+        major_version, minor_version = self._get_versions(version)
+
+        if major_version not in self.VERSIONS:
+            raise OSError(0, 'Bad version number ' + str(major_version), filename)
+
         # Now put all messages from the .mo file buffer into the catalog
         # dictionary.
         for i in range(0, msgcount):
diff --git a/Lib/glob.py b/Lib/glob.py
index d6eca24..56d6704 100644
--- a/Lib/glob.py
+++ b/Lib/glob.py
@@ -6,7 +6,7 @@ import fnmatch
 
 __all__ = ["glob", "iglob"]
 
-def glob(pathname):
+def glob(pathname, *, recursive=False):
     """Return a list of paths matching a pathname pattern.
 
     The pattern may contain simple shell-style wildcards a la
@@ -14,10 +14,12 @@ def glob(pathname):
     dot are special cases that are not matched by '*' and '?'
     patterns.
 
+    If recursive is true, the pattern '**' will match any files and
+    zero or more directories and subdirectories.
     """
-    return list(iglob(pathname))
+    return list(iglob(pathname, recursive=recursive))
 
-def iglob(pathname):
+def iglob(pathname, *, recursive=False):
     """Return an iterator which yields the paths matching a pathname pattern.
 
     The pattern may contain simple shell-style wildcards a la
@@ -25,6 +27,8 @@ def iglob(pathname):
     dot are special cases that are not matched by '*' and '?'
     patterns.
 
+    If recursive is true, the pattern '**' will match any files and
+    zero or more directories and subdirectories.
     """
     dirname, basename = os.path.split(pathname)
     if not has_magic(pathname):
@@ -37,17 +41,23 @@ def iglob(pathname):
                 yield pathname
         return
     if not dirname:
-        yield from glob1(None, basename)
+        if recursive and _isrecursive(basename):
+            yield from glob2(dirname, basename)
+        else:
+            yield from glob1(dirname, basename)
         return
     # `os.path.split()` returns the argument itself as a dirname if it is a
     # drive or UNC path.  Prevent an infinite recursion if a drive or UNC path
     # contains magic characters (i.e. r'\\?\C:').
     if dirname != pathname and has_magic(dirname):
-        dirs = iglob(dirname)
+        dirs = iglob(dirname, recursive=recursive)
     else:
         dirs = [dirname]
     if has_magic(basename):
-        glob_in_dir = glob1
+        if recursive and _isrecursive(basename):
+            glob_in_dir = glob2
+        else:
+            glob_in_dir = glob1
     else:
         glob_in_dir = glob0
     for dirname in dirs:
@@ -83,6 +93,34 @@ def glob0(dirname, basename):
             return [basename]
     return []
 
+# This helper function recursively yields relative pathnames inside a literal
+# directory.
+
+def glob2(dirname, pattern):
+    assert _isrecursive(pattern)
+    if dirname:
+        yield pattern[:0]
+    yield from _rlistdir(dirname)
+
+# Recursively yields relative pathnames inside a literal directory.
+
+def _rlistdir(dirname):
+    if not dirname:
+        if isinstance(dirname, bytes):
+            dirname = bytes(os.curdir, 'ASCII')
+        else:
+            dirname = os.curdir
+    try:
+        names = os.listdir(dirname)
+    except os.error:
+        return
+    for x in names:
+        if not _ishidden(x):
+            yield x
+            path = os.path.join(dirname, x) if dirname else x
+            for y in _rlistdir(path):
+                yield os.path.join(x, y)
+
 
 magic_check = re.compile('([*?[])')
 magic_check_bytes = re.compile(b'([*?[])')
@@ -97,6 +135,12 @@ def has_magic(s):
 def _ishidden(path):
     return path[0] in ('.', b'.'[0])
 
+def _isrecursive(pattern):
+    if isinstance(pattern, bytes):
+        return pattern == b'**'
+    else:
+        return pattern == '**'
+
 def escape(pathname):
     """Escape all special characters.
     """
diff --git a/Lib/gzip.py b/Lib/gzip.py
index 7ad00e1..45152e4 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -9,6 +9,7 @@ import struct, sys, time, os
 import zlib
 import builtins
 import io
+import _compression
 
 __all__ = ["GzipFile", "open", "compress", "decompress"]
 
@@ -89,49 +90,35 @@ class _PaddedFile:
             return self._buffer[read:] + \
                    self.file.read(size-self._length+read)
 
-    def prepend(self, prepend=b'', readprevious=False):
+    def prepend(self, prepend=b''):
         if self._read is None:
             self._buffer = prepend
-        elif readprevious and len(prepend) <= self._read:
+        else:  # Assume data was read since the last prepend() call
             self._read -= len(prepend)
             return
-        else:
-            self._buffer = self._buffer[self._read:] + prepend
         self._length = len(self._buffer)
         self._read = 0
 
-    def unused(self):
-        if self._read is None:
-            return b''
-        return self._buffer[self._read:]
-
-    def seek(self, offset, whence=0):
-        # This is only ever called with offset=whence=0
-        if whence == 1 and self._read is not None:
-            if 0 <= offset + self._read <= self._length:
-                self._read += offset
-                return
-            else:
-                offset += self._length - self._read
+    def seek(self, off):
         self._read = None
         self._buffer = None
-        return self.file.seek(offset, whence)
-
-    def __getattr__(self, name):
-        return getattr(self.file, name)
+        return self.file.seek(off)
 
+    def seekable(self):
+        return True  # Allows fast-forwarding even in unseekable streams
 
-class GzipFile(io.BufferedIOBase):
+class GzipFile(_compression.BaseStream):
     """The GzipFile class simulates most of the methods of a file object with
-    the exception of the readinto() and truncate() methods.
+    the exception of the truncate() method.
 
     This class only supports opening files in binary mode. If you need to open a
     compressed file in text mode, use the gzip.open() function.
 
     """
 
+    # Overridden with internal file object to be closed, if only a filename
+    # is passed in
     myfileobj = None
-    max_read_chunk = 10 * 1024 * 1024   # 10Mb
 
     def __init__(self, filename=None, mode=None,
                  compresslevel=9, fileobj=None, mtime=None):
@@ -163,13 +150,8 @@ class GzipFile(io.BufferedIOBase):
         at all. The default is 9.
 
         The mtime argument is an optional numeric timestamp to be written
-        to the stream when compressing.  All gzip compressed streams
-        are required to contain a timestamp.  If omitted or None, the
-        current time is used.  This module ignores the timestamp when
-        decompressing; however, some programs, such as gunzip, make use
-        of it.  The format of the timestamp is the same as that of the
-        return value of time.time() and of the st_mtime member of the
-        object returned by os.stat().
+        to the last modification time field in the stream when compressing.
+        If omitted or None, the current time is used.
 
         """
 
@@ -188,18 +170,9 @@ class GzipFile(io.BufferedIOBase):
 
         if mode.startswith('r'):
             self.mode = READ
-            # Set flag indicating start of a new member
-            self._new_member = True
-            # Buffer data read from gzip file. extrastart is offset in
-            # stream where buffer starts. extrasize is number of
-            # bytes remaining in buffer from current stream position.
-            self.extrabuf = b""
-            self.extrasize = 0
-            self.extrastart = 0
+            raw = _GzipReader(fileobj)
+            self._buffer = io.BufferedReader(raw)
             self.name = filename
-            # Starts small, scales exponentially
-            self.min_readsize = 100
-            fileobj = _PaddedFile(fileobj)
 
         elif mode.startswith(('w', 'a', 'x')):
             self.mode = WRITE
@@ -209,12 +182,11 @@ class GzipFile(io.BufferedIOBase):
                                              -zlib.MAX_WBITS,
                                              zlib.DEF_MEM_LEVEL,
                                              0)
+            self._write_mtime = mtime
         else:
             raise ValueError("Invalid mode: {!r}".format(mode))
 
         self.fileobj = fileobj
-        self.offset = 0
-        self.mtime = mtime
 
         if self.mode == WRITE:
             self._write_gzip_header()
@@ -227,26 +199,22 @@ class GzipFile(io.BufferedIOBase):
             return self.name + ".gz"
         return self.name
 
+    @property
+    def mtime(self):
+        """Last modification time read from stream, or None"""
+        return self._buffer.raw._last_mtime
+
     def __repr__(self):
-        fileobj = self.fileobj
-        if isinstance(fileobj, _PaddedFile):
-            fileobj = fileobj.file
-        s = repr(fileobj)
+        s = repr(self.fileobj)
         return '<gzip ' + s[1:-1] + ' ' + hex(id(self)) + '>'
 
-    def _check_closed(self):
-        """Raises a ValueError if the underlying file object has been closed.
-
-        """
-        if self.closed:
-            raise ValueError('I/O operation on closed file.')
-
     def _init_write(self, filename):
         self.name = filename
         self.crc = zlib.crc32(b"") & 0xffffffff
         self.size = 0
         self.writebuf = []
         self.bufsize = 0
+        self.offset = 0  # Current file offset for seek(), tell(), etc
 
     def _write_gzip_header(self):
         self.fileobj.write(b'\037\213')             # magic header
@@ -265,7 +233,7 @@ class GzipFile(io.BufferedIOBase):
         if fname:
             flags = FNAME
         self.fileobj.write(chr(flags).encode('latin-1'))
-        mtime = self.mtime
+        mtime = self._write_mtime
         if mtime is None:
             mtime = time.time()
         write32u(self.fileobj, int(mtime))
@@ -274,59 +242,8 @@ class GzipFile(io.BufferedIOBase):
         if fname:
             self.fileobj.write(fname + b'\000')
 
-    def _init_read(self):
-        self.crc = zlib.crc32(b"") & 0xffffffff
-        self.size = 0
-
-    def _read_exact(self, n):
-        data = self.fileobj.read(n)
-        while len(data) < n:
-            b = self.fileobj.read(n - len(data))
-            if not b:
-                raise EOFError("Compressed file ended before the "
-                               "end-of-stream marker was reached")
-            data += b
-        return data
-
-    def _read_gzip_header(self):
-        magic = self.fileobj.read(2)
-        if magic == b'':
-            return False
-
-        if magic != b'\037\213':
-            raise OSError('Not a gzipped file')
-
-        method, flag, self.mtime = struct.unpack("<BBIxx", self._read_exact(8))
-        if method != 8:
-            raise OSError('Unknown compression method')
-
-        if flag & FEXTRA:
-            # Read & discard the extra field, if present
-            extra_len, = struct.unpack("<H", self._read_exact(2))
-            self._read_exact(extra_len)
-        if flag & FNAME:
-            # Read and discard a null-terminated string containing the filename
-            while True:
-                s = self.fileobj.read(1)
-                if not s or s==b'\000':
-                    break
-        if flag & FCOMMENT:
-            # Read and discard a null-terminated string containing a comment
-            while True:
-                s = self.fileobj.read(1)
-                if not s or s==b'\000':
-                    break
-        if flag & FHCRC:
-            self._read_exact(2)     # Read & discard the 16-bit header CRC
-
-        unused = self.fileobj.unused()
-        if unused:
-            uncompress = self.decompress.decompress(unused)
-            self._add_read_data(uncompress)
-        return True
-
     def write(self,data):
-        self._check_closed()
+        self._check_not_closed()
         if self.mode != WRITE:
             import errno
             raise OSError(errno.EBADF, "write() on read-only GzipFile object")
@@ -334,166 +251,47 @@ class GzipFile(io.BufferedIOBase):
         if self.fileobj is None:
             raise ValueError("write() on closed GzipFile object")
 
-        # Convert data type if called by io.BufferedWriter.
-        if isinstance(data, memoryview):
-            data = data.tobytes()
+        if isinstance(data, bytes):
+            length = len(data)
+        else:
+            # accept any data that supports the buffer protocol
+            data = memoryview(data)
+            length = data.nbytes
 
-        if len(data) > 0:
+        if length > 0:
             self.fileobj.write(self.compress.compress(data))
-            self.size += len(data)
+            self.size += length
             self.crc = zlib.crc32(data, self.crc) & 0xffffffff
-            self.offset += len(data)
+            self.offset += length
 
-        return len(data)
+        return length
 
     def read(self, size=-1):
-        self._check_closed()
+        self._check_not_closed()
         if self.mode != READ:
             import errno
             raise OSError(errno.EBADF, "read() on write-only GzipFile object")
-
-        if self.extrasize <= 0 and self.fileobj is None:
-            return b''
-
-        readsize = 1024
-        if size < 0:        # get the whole thing
-            while self._read(readsize):
-                readsize = min(self.max_read_chunk, readsize * 2)
-            size = self.extrasize
-        else:               # just get some more of it
-            while size > self.extrasize:
-                if not self._read(readsize):
-                    if size > self.extrasize:
-                        size = self.extrasize
-                    break
-                readsize = min(self.max_read_chunk, readsize * 2)
-
-        offset = self.offset - self.extrastart
-        chunk = self.extrabuf[offset: offset + size]
-        self.extrasize = self.extrasize - size
-
-        self.offset += size
-        return chunk
+        return self._buffer.read(size)
 
     def read1(self, size=-1):
-        self._check_closed()
+        """Implements BufferedIOBase.read1()
+
+        Reads up to a buffer's worth of data is size is negative."""
+        self._check_not_closed()
         if self.mode != READ:
             import errno
             raise OSError(errno.EBADF, "read1() on write-only GzipFile object")
 
-        if self.extrasize <= 0 and self.fileobj is None:
-            return b''
-
-        # For certain input data, a single call to _read() may not return
-        # any data. In this case, retry until we get some data or reach EOF.
-        while self.extrasize <= 0 and self._read():
-            pass
-        if size < 0 or size > self.extrasize:
-            size = self.extrasize
-
-        offset = self.offset - self.extrastart
-        chunk = self.extrabuf[offset: offset + size]
-        self.extrasize -= size
-        self.offset += size
-        return chunk
+        if size < 0:
+            size = io.DEFAULT_BUFFER_SIZE
+        return self._buffer.read1(size)
 
     def peek(self, n):
+        self._check_not_closed()
         if self.mode != READ:
             import errno
             raise OSError(errno.EBADF, "peek() on write-only GzipFile object")
-
-        # Do not return ridiculously small buffers, for one common idiom
-        # is to call peek(1) and expect more bytes in return.
-        if n < 100:
-            n = 100
-        if self.extrasize == 0:
-            if self.fileobj is None:
-                return b''
-            # Ensure that we don't return b"" if we haven't reached EOF.
-            # 1024 is the same buffering heuristic used in read()
-            while self.extrasize == 0 and self._read(max(n, 1024)):
-                pass
-        offset = self.offset - self.extrastart
-        remaining = self.extrasize
-        assert remaining == len(self.extrabuf) - offset
-        return self.extrabuf[offset:offset + n]
-
-    def _unread(self, buf):
-        self.extrasize = len(buf) + self.extrasize
-        self.offset -= len(buf)
-
-    def _read(self, size=1024):
-        if self.fileobj is None:
-            return False
-
-        if self._new_member:
-            # If the _new_member flag is set, we have to
-            # jump to the next member, if there is one.
-            self._init_read()
-            if not self._read_gzip_header():
-                return False
-            self.decompress = zlib.decompressobj(-zlib.MAX_WBITS)
-            self._new_member = False
-
-        # Read a chunk of data from the file
-        buf = self.fileobj.read(size)
-
-        # If the EOF has been reached, flush the decompression object
-        # and mark this object as finished.
-
-        if buf == b"":
-            uncompress = self.decompress.flush()
-            # Prepend the already read bytes to the fileobj to they can be
-            # seen by _read_eof()
-            self.fileobj.prepend(self.decompress.unused_data, True)
-            self._read_eof()
-            self._add_read_data( uncompress )
-            return False
-
-        uncompress = self.decompress.decompress(buf)
-        self._add_read_data( uncompress )
-
-        if self.decompress.unused_data != b"":
-            # Ending case: we've come to the end of a member in the file,
-            # so seek back to the start of the unused data, finish up
-            # this member, and read a new gzip header.
-            # Prepend the already read bytes to the fileobj to they can be
-            # seen by _read_eof() and _read_gzip_header()
-            self.fileobj.prepend(self.decompress.unused_data, True)
-            # Check the CRC and file size, and set the flag so we read
-            # a new member on the next call
-            self._read_eof()
-            self._new_member = True
-        return True
-
-    def _add_read_data(self, data):
-        self.crc = zlib.crc32(data, self.crc) & 0xffffffff
-        offset = self.offset - self.extrastart
-        self.extrabuf = self.extrabuf[offset:] + data
-        self.extrasize = self.extrasize + len(data)
-        self.extrastart = self.offset
-        self.size = self.size + len(data)
-
-    def _read_eof(self):
-        # We've read to the end of the file
-        # We check the that the computed CRC and size of the
-        # uncompressed data matches the stored values.  Note that the size
-        # stored is the true file size mod 2**32.
-        crc32, isize = struct.unpack("<II", self._read_exact(8))
-        if crc32 != self.crc:
-            raise OSError("CRC check failed %s != %s" % (hex(crc32),
-                                                         hex(self.crc)))
-        elif isize != (self.size & 0xffffffff):
-            raise OSError("Incorrect length of data produced")
-
-        # Gzip files can be padded with zeroes and still have archives.
-        # Consume all zero bytes and set the file position to the first
-        # non-zero byte. See http://www.gzip.org/#faq8
-        c = b"\x00"
-        while c == b"\x00":
-            c = self.fileobj.read(1)
-        if c:
-            self.fileobj.prepend(c, True)
+        return self._buffer.peek(n)
 
     @property
     def closed(self):
@@ -510,6 +308,8 @@ class GzipFile(io.BufferedIOBase):
                 write32u(fileobj, self.crc)
                 # self.size may exceed 2GB, or even 4GB
                 write32u(fileobj, self.size & 0xffffffff)
+            elif self.mode == READ:
+                self._buffer.close()
         finally:
             myfileobj = self.myfileobj
             if myfileobj:
@@ -517,7 +317,7 @@ class GzipFile(io.BufferedIOBase):
                 myfileobj.close()
 
     def flush(self,zlib_mode=zlib.Z_SYNC_FLUSH):
-        self._check_closed()
+        self._check_not_closed()
         if self.mode == WRITE:
             # Ensure the compressor's buffer is flushed
             self.fileobj.write(self.compress.flush(zlib_mode))
@@ -536,12 +336,7 @@ class GzipFile(io.BufferedIOBase):
         beginning of the file'''
         if self.mode != READ:
             raise OSError("Can't rewind in write mode")
-        self.fileobj.seek(0)
-        self._new_member = True
-        self.extrabuf = b""
-        self.extrasize = 0
-        self.extrastart = 0
-        self.offset = 0
+        self._buffer.seek(0)
 
     def readable(self):
         return self.mode == READ
@@ -552,13 +347,13 @@ class GzipFile(io.BufferedIOBase):
     def seekable(self):
         return True
 
-    def seek(self, offset, whence=0):
-        if whence:
-            if whence == 1:
-                offset = self.offset + offset
-            else:
-                raise ValueError('Seek from end not supported')
+    def seek(self, offset, whence=io.SEEK_SET):
         if self.mode == WRITE:
+            if whence != io.SEEK_SET:
+                if whence == io.SEEK_CUR:
+                    offset = self.offset + offset
+                else:
+                    raise ValueError('Seek from end not supported')
             if offset < self.offset:
                 raise OSError('Negative seek in write mode')
             count = offset - self.offset
@@ -567,55 +362,156 @@ class GzipFile(io.BufferedIOBase):
                 self.write(chunk)
             self.write(bytes(count % 1024))
         elif self.mode == READ:
-            if offset < self.offset:
-                # for negative seek, rewind and do positive seek
-                self.rewind()
-            count = offset - self.offset
-            for i in range(count // 1024):
-                self.read(1024)
-            self.read(count % 1024)
+            self._check_not_closed()
+            return self._buffer.seek(offset, whence)
 
         return self.offset
 
     def readline(self, size=-1):
+        self._check_not_closed()
+        return self._buffer.readline(size)
+
+
+class _GzipReader(_compression.DecompressReader):
+    def __init__(self, fp):
+        super().__init__(_PaddedFile(fp), zlib.decompressobj,
+                         wbits=-zlib.MAX_WBITS)
+        # Set flag indicating start of a new member
+        self._new_member = True
+        self._last_mtime = None
+
+    def _init_read(self):
+        self._crc = zlib.crc32(b"") & 0xffffffff
+        self._stream_size = 0  # Decompressed size of unconcatenated stream
+
+    def _read_exact(self, n):
+        '''Read exactly *n* bytes from `self._fp`
+
+        This method is required because self._fp may be unbuffered,
+        i.e. return short reads.
+        '''
+
+        data = self._fp.read(n)
+        while len(data) < n:
+            b = self._fp.read(n - len(data))
+            if not b:
+                raise EOFError("Compressed file ended before the "
+                               "end-of-stream marker was reached")
+            data += b
+        return data
+
+    def _read_gzip_header(self):
+        magic = self._fp.read(2)
+        if magic == b'':
+            return False
+
+        if magic != b'\037\213':
+            raise OSError('Not a gzipped file (%r)' % magic)
+
+        (method, flag,
+         self._last_mtime) = struct.unpack("<BBIxx", self._read_exact(8))
+        if method != 8:
+            raise OSError('Unknown compression method')
+
+        if flag & FEXTRA:
+            # Read & discard the extra field, if present
+            extra_len, = struct.unpack("<H", self._read_exact(2))
+            self._read_exact(extra_len)
+        if flag & FNAME:
+            # Read and discard a null-terminated string containing the filename
+            while True:
+                s = self._fp.read(1)
+                if not s or s==b'\000':
+                    break
+        if flag & FCOMMENT:
+            # Read and discard a null-terminated string containing a comment
+            while True:
+                s = self._fp.read(1)
+                if not s or s==b'\000':
+                    break
+        if flag & FHCRC:
+            self._read_exact(2)     # Read & discard the 16-bit header CRC
+        return True
+
+    def read(self, size=-1):
         if size < 0:
-            # Shortcut common case - newline found in buffer.
-            offset = self.offset - self.extrastart
-            i = self.extrabuf.find(b'\n', offset) + 1
-            if i > 0:
-                self.extrasize -= i - offset
-                self.offset += i - offset
-                return self.extrabuf[offset: i]
-
-            size = sys.maxsize
-            readsize = self.min_readsize
-        else:
-            readsize = size
-        bufs = []
-        while size != 0:
-            c = self.read(readsize)
-            i = c.find(b'\n')
-
-            # We set i=size to break out of the loop under two
-            # conditions: 1) there's no newline, and the chunk is
-            # larger than size, or 2) there is a newline, but the
-            # resulting line would be longer than 'size'.
-            if (size <= i) or (i == -1 and len(c) > size):
-                i = size - 1
-
-            if i >= 0 or c == b'':
-                bufs.append(c[:i + 1])    # Add portion of last chunk
-                self._unread(c[i + 1:])   # Push back rest of chunk
+            return self.readall()
+        # size=0 is special because decompress(max_length=0) is not supported
+        if not size:
+            return b""
+
+        # For certain input data, a single
+        # call to decompress() may not return
+        # any data. In this case, retry until we get some data or reach EOF.
+        while True:
+            if self._decompressor.eof:
+                # Ending case: we've come to the end of a member in the file,
+                # so finish up this member, and read a new gzip header.
+                # Check the CRC and file size, and set the flag so we read
+                # a new member
+                self._read_eof()
+                self._new_member = True
+                self._decompressor = self._decomp_factory(
+                    **self._decomp_args)
+
+            if self._new_member:
+                # If the _new_member flag is set, we have to
+                # jump to the next member, if there is one.
+                self._init_read()
+                if not self._read_gzip_header():
+                    self._size = self._pos
+                    return b""
+                self._new_member = False
+
+            # Read a chunk of data from the file
+            buf = self._fp.read(io.DEFAULT_BUFFER_SIZE)
+
+            uncompress = self._decompressor.decompress(buf, size)
+            if self._decompressor.unconsumed_tail != b"":
+                self._fp.prepend(self._decompressor.unconsumed_tail)
+            elif self._decompressor.unused_data != b"":
+                # Prepend the already read bytes to the fileobj so they can
+                # be seen by _read_eof() and _read_gzip_header()
+                self._fp.prepend(self._decompressor.unused_data)
+
+            if uncompress != b"":
                 break
+            if buf == b"":
+                raise EOFError("Compressed file ended before the "
+                               "end-of-stream marker was reached")
 
-            # Append chunk to list, decrease 'size',
-            bufs.append(c)
-            size = size - len(c)
-            readsize = min(size, readsize * 2)
-        if readsize > self.min_readsize:
-            self.min_readsize = min(readsize, self.min_readsize * 2, 512)
-        return b''.join(bufs) # Return resulting line
+        self._add_read_data( uncompress )
+        self._pos += len(uncompress)
+        return uncompress
+
+    def _add_read_data(self, data):
+        self._crc = zlib.crc32(data, self._crc) & 0xffffffff
+        self._stream_size = self._stream_size + len(data)
+
+    def _read_eof(self):
+        # We've read to the end of the file
+        # We check the that the computed CRC and size of the
+        # uncompressed data matches the stored values.  Note that the size
+        # stored is the true file size mod 2**32.
+        crc32, isize = struct.unpack("<II", self._read_exact(8))
+        if crc32 != self._crc:
+            raise OSError("CRC check failed %s != %s" % (hex(crc32),
+                                                         hex(self._crc)))
+        elif isize != (self._stream_size & 0xffffffff):
+            raise OSError("Incorrect length of data produced")
+
+        # Gzip files can be padded with zeroes and still have archives.
+        # Consume all zero bytes and set the file position to the first
+        # non-zero byte. See http://www.gzip.org/#faq8
+        c = b"\x00"
+        while c == b"\x00":
+            c = self._fp.read(1)
+        if c:
+            self._fp.prepend(c)
 
+    def _rewind(self):
+        super()._rewind()
+        self._new_member = True
 
 def compress(data, compresslevel=9):
     """Compress data in one shot and return the compressed string.
diff --git a/Lib/heapq.py b/Lib/heapq.py
index d615239..07af37e 100644
--- a/Lib/heapq.py
+++ b/Lib/heapq.py
@@ -127,8 +127,6 @@ From all times, sorting has always been a Great Art! :-)
 __all__ = ['heappush', 'heappop', 'heapify', 'heapreplace', 'merge',
            'nlargest', 'nsmallest', 'heappushpop']
 
-from itertools import islice, count, tee, chain
-
 def heappush(heap, item):
     """Push item onto heap, maintaining the heap invariant."""
     heap.append(item)
@@ -141,9 +139,8 @@ def heappop(heap):
         returnitem = heap[0]
         heap[0] = lastelt
         _siftup(heap, 0)
-    else:
-        returnitem = lastelt
-    return returnitem
+        return returnitem
+    return lastelt
 
 def heapreplace(heap, item):
     """Pop and return the current smallest value, and add the new item.
@@ -179,12 +176,22 @@ def heapify(x):
     for i in reversed(range(n//2)):
         _siftup(x, i)
 
-def _heappushpop_max(heap, item):
-    """Maxheap version of a heappush followed by a heappop."""
-    if heap and item < heap[0]:
-        item, heap[0] = heap[0], item
+def _heappop_max(heap):
+    """Maxheap version of a heappop."""
+    lastelt = heap.pop()    # raises appropriate IndexError if heap is empty
+    if heap:
+        returnitem = heap[0]
+        heap[0] = lastelt
         _siftup_max(heap, 0)
-    return item
+        return returnitem
+    return lastelt
+
+def _heapreplace_max(heap, item):
+    """Maxheap version of a heappop followed by a heappush."""
+    returnitem = heap[0]    # raises appropriate IndexError if heap is empty
+    heap[0] = item
+    _siftup_max(heap, 0)
+    return returnitem
 
 def _heapify_max(x):
     """Transform list into a maxheap, in-place, in O(len(x)) time."""
@@ -192,42 +199,6 @@ def _heapify_max(x):
     for i in reversed(range(n//2)):
         _siftup_max(x, i)
 
-def nlargest(n, iterable):
-    """Find the n largest elements in a dataset.
-
-    Equivalent to:  sorted(iterable, reverse=True)[:n]
-    """
-    if n < 0:
-        return []
-    it = iter(iterable)
-    result = list(islice(it, n))
-    if not result:
-        return result
-    heapify(result)
-    _heappushpop = heappushpop
-    for elem in it:
-        _heappushpop(result, elem)
-    result.sort(reverse=True)
-    return result
-
-def nsmallest(n, iterable):
-    """Find the n smallest elements in a dataset.
-
-    Equivalent to:  sorted(iterable)[:n]
-    """
-    if n < 0:
-        return []
-    it = iter(iterable)
-    result = list(islice(it, n))
-    if not result:
-        return result
-    _heapify_max(result)
-    _heappushpop = _heappushpop_max
-    for elem in it:
-        _heappushpop(result, elem)
-    result.sort()
-    return result
-
 # 'heap' is a heap at all indices >= startpos, except possibly for pos.  pos
 # is the index of a leaf with a possibly out-of-order value.  Restore the
 # heap invariant.
@@ -340,13 +311,7 @@ def _siftup_max(heap, pos):
     heap[pos] = newitem
     _siftdown_max(heap, startpos, pos)
 
-# If available, use C implementation
-try:
-    from _heapq import *
-except ImportError:
-    pass
-
-def merge(*iterables):
+def merge(*iterables, key=None, reverse=False):
     '''Merge multiple sorted inputs into a single sorted output.
 
     Similar to sorted(itertools.chain(*iterables)) but returns a generator,
@@ -356,51 +321,158 @@ def merge(*iterables):
     >>> list(merge([1,3,5,7], [0,2,4,8], [5,10,15,20], [], [25]))
     [0, 1, 2, 3, 4, 5, 5, 7, 8, 10, 15, 20, 25]
 
+    If *key* is not None, applies a key function to each element to determine
+    its sort order.
+
+    >>> list(merge(['dog', 'horse'], ['cat', 'fish', 'kangaroo'], key=len))
+    ['dog', 'cat', 'fish', 'horse', 'kangaroo']
+
     '''
-    _heappop, _heapreplace, _StopIteration = heappop, heapreplace, StopIteration
-    _len = len
 
     h = []
     h_append = h.append
-    for itnum, it in enumerate(map(iter, iterables)):
+
+    if reverse:
+        _heapify = _heapify_max
+        _heappop = _heappop_max
+        _heapreplace = _heapreplace_max
+        direction = -1
+    else:
+        _heapify = heapify
+        _heappop = heappop
+        _heapreplace = heapreplace
+        direction = 1
+
+    if key is None:
+        for order, it in enumerate(map(iter, iterables)):
+            try:
+                next = it.__next__
+                h_append([next(), order * direction, next])
+            except StopIteration:
+                pass
+        _heapify(h)
+        while len(h) > 1:
+            try:
+                while True:
+                    value, order, next = s = h[0]
+                    yield value
+                    s[0] = next()           # raises StopIteration when exhausted
+                    _heapreplace(h, s)      # restore heap condition
+            except StopIteration:
+                _heappop(h)                 # remove empty iterator
+        if h:
+            # fast case when only a single iterator remains
+            value, order, next = h[0]
+            yield value
+            yield from next.__self__
+        return
+
+    for order, it in enumerate(map(iter, iterables)):
         try:
             next = it.__next__
-            h_append([next(), itnum, next])
-        except _StopIteration:
+            value = next()
+            h_append([key(value), order * direction, value, next])
+        except StopIteration:
             pass
-    heapify(h)
-
-    while _len(h) > 1:
+    _heapify(h)
+    while len(h) > 1:
         try:
             while True:
-                v, itnum, next = s = h[0]
-                yield v
-                s[0] = next()               # raises StopIteration when exhausted
-                _heapreplace(h, s)          # restore heap condition
-        except _StopIteration:
-            _heappop(h)                     # remove empty iterator
+                key_value, order, value, next = s = h[0]
+                yield value
+                value = next()
+                s[0] = key(value)
+                s[2] = value
+                _heapreplace(h, s)
+        except StopIteration:
+            _heappop(h)
     if h:
-        # fast case when only a single iterator remains
-        v, itnum, next = h[0]
-        yield v
+        key_value, order, value, next = h[0]
+        yield value
         yield from next.__self__
 
-# Extend the implementations of nsmallest and nlargest to use a key= argument
-_nsmallest = nsmallest
+
+# Algorithm notes for nlargest() and nsmallest()
+# ==============================================
+#
+# Make a single pass over the data while keeping the k most extreme values
+# in a heap.  Memory consumption is limited to keeping k values in a list.
+#
+# Measured performance for random inputs:
+#
+#                                   number of comparisons
+#    n inputs     k-extreme values  (average of 5 trials)   % more than min()
+# -------------   ----------------  ---------------------   -----------------
+#      1,000           100                  3,317               231.7%
+#     10,000           100                 14,046                40.5%
+#    100,000           100                105,749                 5.7%
+#  1,000,000           100              1,007,751                 0.8%
+# 10,000,000           100             10,009,401                 0.1%
+#
+# Theoretical number of comparisons for k smallest of n random inputs:
+#
+# Step   Comparisons                  Action
+# ----   --------------------------   ---------------------------
+#  1     1.66 * k                     heapify the first k-inputs
+#  2     n - k                        compare remaining elements to top of heap
+#  3     k * (1 + lg2(k)) * ln(n/k)   replace the topmost value on the heap
+#  4     k * lg2(k) - (k/2)           final sort of the k most extreme values
+#
+# Combining and simplifying for a rough estimate gives:
+#
+#        comparisons = n + k * (log(k, 2) * log(n/k) + log(k, 2) + log(n/k))
+#
+# Computing the number of comparisons for step 3:
+# -----------------------------------------------
+# * For the i-th new value from the iterable, the probability of being in the
+#   k most extreme values is k/i.  For example, the probability of the 101st
+#   value seen being in the 100 most extreme values is 100/101.
+# * If the value is a new extreme value, the cost of inserting it into the
+#   heap is 1 + log(k, 2).
+# * The probability times the cost gives:
+#            (k/i) * (1 + log(k, 2))
+# * Summing across the remaining n-k elements gives:
+#            sum((k/i) * (1 + log(k, 2)) for i in range(k+1, n+1))
+# * This reduces to:
+#            (H(n) - H(k)) * k * (1 + log(k, 2))
+# * Where H(n) is the n-th harmonic number estimated by:
+#            gamma = 0.5772156649
+#            H(n) = log(n, e) + gamma + 1 / (2 * n)
+#   http://en.wikipedia.org/wiki/Harmonic_series_(mathematics)#Rate_of_divergence
+# * Substituting the H(n) formula:
+#            comparisons = k * (1 + log(k, 2)) * (log(n/k, e) + (1/n - 1/k) / 2)
+#
+# Worst-case for step 3:
+# ----------------------
+# In the worst case, the input data is reversed sorted so that every new element
+# must be inserted in the heap:
+#
+#             comparisons = 1.66 * k + log(k, 2) * (n - k)
+#
+# Alternative Algorithms
+# ----------------------
+# Other algorithms were not used because they:
+# 1) Took much more auxiliary memory,
+# 2) Made multiple passes over the data.
+# 3) Made more comparisons in common cases (small k, large n, semi-random input).
+# See the more detailed comparison of approach at:
+# http://code.activestate.com/recipes/577573-compare-algorithms-for-heapqsmallest
+
 def nsmallest(n, iterable, key=None):
     """Find the n smallest elements in a dataset.
 
     Equivalent to:  sorted(iterable, key=key)[:n]
     """
-    # Short-cut for n==1 is to use min() when len(iterable)>0
+
+    # Short-cut for n==1 is to use min()
     if n == 1:
         it = iter(iterable)
-        head = list(islice(it, 1))
-        if not head:
-            return []
+        sentinel = object()
         if key is None:
-            return [min(chain(head, it))]
-        return [min(chain(head, it), key=key)]
+            result = min(it, default=sentinel)
+        else:
+            result = min(it, default=sentinel, key=key)
+        return [] if result is sentinel else [result]
 
     # When n>=size, it's faster to use sorted()
     try:
@@ -413,32 +485,57 @@ def nsmallest(n, iterable, key=None):
 
     # When key is none, use simpler decoration
     if key is None:
-        it = zip(iterable, count())                         # decorate
-        result = _nsmallest(n, it)
-        return [r[0] for r in result]                       # undecorate
+        it = iter(iterable)
+        # put the range(n) first so that zip() doesn't
+        # consume one too many elements from the iterator
+        result = [(elem, i) for i, elem in zip(range(n), it)]
+        if not result:
+            return result
+        _heapify_max(result)
+        top = result[0][0]
+        order = n
+        _heapreplace = _heapreplace_max
+        for elem in it:
+            if elem < top:
+                _heapreplace(result, (elem, order))
+                top = result[0][0]
+                order += 1
+        result.sort()
+        return [r[0] for r in result]
 
     # General case, slowest method
-    in1, in2 = tee(iterable)
-    it = zip(map(key, in1), count(), in2)                   # decorate
-    result = _nsmallest(n, it)
-    return [r[2] for r in result]                           # undecorate
+    it = iter(iterable)
+    result = [(key(elem), i, elem) for i, elem in zip(range(n), it)]
+    if not result:
+        return result
+    _heapify_max(result)
+    top = result[0][0]
+    order = n
+    _heapreplace = _heapreplace_max
+    for elem in it:
+        k = key(elem)
+        if k < top:
+            _heapreplace(result, (k, order, elem))
+            top = result[0][0]
+            order += 1
+    result.sort()
+    return [r[2] for r in result]
 
-_nlargest = nlargest
 def nlargest(n, iterable, key=None):
     """Find the n largest elements in a dataset.
 
     Equivalent to:  sorted(iterable, key=key, reverse=True)[:n]
     """
 
-    # Short-cut for n==1 is to use max() when len(iterable)>0
+    # Short-cut for n==1 is to use max()
     if n == 1:
         it = iter(iterable)
-        head = list(islice(it, 1))
-        if not head:
-            return []
+        sentinel = object()
         if key is None:
-            return [max(chain(head, it))]
-        return [max(chain(head, it), key=key)]
+            result = max(it, default=sentinel)
+        else:
+            result = max(it, default=sentinel, key=key)
+        return [] if result is sentinel else [result]
 
     # When n>=size, it's faster to use sorted()
     try:
@@ -451,26 +548,60 @@ def nlargest(n, iterable, key=None):
 
     # When key is none, use simpler decoration
     if key is None:
-        it = zip(iterable, count(0,-1))                     # decorate
-        result = _nlargest(n, it)
-        return [r[0] for r in result]                       # undecorate
+        it = iter(iterable)
+        result = [(elem, i) for i, elem in zip(range(0, -n, -1), it)]
+        if not result:
+            return result
+        heapify(result)
+        top = result[0][0]
+        order = -n
+        _heapreplace = heapreplace
+        for elem in it:
+            if top < elem:
+                _heapreplace(result, (elem, order))
+                top = result[0][0]
+                order -= 1
+        result.sort(reverse=True)
+        return [r[0] for r in result]
 
     # General case, slowest method
-    in1, in2 = tee(iterable)
-    it = zip(map(key, in1), count(0,-1), in2)               # decorate
-    result = _nlargest(n, it)
-    return [r[2] for r in result]                           # undecorate
+    it = iter(iterable)
+    result = [(key(elem), i, elem) for i, elem in zip(range(0, -n, -1), it)]
+    if not result:
+        return result
+    heapify(result)
+    top = result[0][0]
+    order = -n
+    _heapreplace = heapreplace
+    for elem in it:
+        k = key(elem)
+        if top < k:
+            _heapreplace(result, (k, order, elem))
+            top = result[0][0]
+            order -= 1
+    result.sort(reverse=True)
+    return [r[2] for r in result]
+
+# If available, use C implementation
+try:
+    from _heapq import *
+except ImportError:
+    pass
+try:
+    from _heapq import _heapreplace_max
+except ImportError:
+    pass
+try:
+    from _heapq import _heapify_max
+except ImportError:
+    pass
+try:
+    from _heapq import _heappop_max
+except ImportError:
+    pass
+
 
 if __name__ == "__main__":
-    # Simple sanity test
-    heap = []
-    data = [1, 3, 5, 7, 9, 2, 4, 6, 8, 0]
-    for item in data:
-        heappush(heap, item)
-    sort = []
-    while heap:
-        sort.append(heappop(heap))
-    print(sort)
 
     import doctest
-    doctest.testmod()
+    print(doctest.testmod())
diff --git a/Lib/html/entities.py b/Lib/html/entities.py
index f7deae6..3e1778b 100644
--- a/Lib/html/entities.py
+++ b/Lib/html/entities.py
@@ -1,5 +1,8 @@
 """HTML character entity references."""
 
+__all__ = ['html5', 'name2codepoint', 'codepoint2name', 'entitydefs']
+
+
 # maps the HTML entity name to the Unicode code point
 name2codepoint = {
     'AElig':    0x00c6, # latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1
diff --git a/Lib/html/parser.py b/Lib/html/parser.py
index a650d5e..390d4cc 100644
--- a/Lib/html/parser.py
+++ b/Lib/html/parser.py
@@ -29,35 +29,15 @@ starttagopen = re.compile('<[a-zA-Z]')
 piclose = re.compile('>')
 commentclose = re.compile(r'--\s*>')
 # Note:
-#  1) the strict attrfind isn't really strict, but we can't make it
-#     correctly strict without breaking backward compatibility;
-#  2) if you change tagfind/attrfind remember to update locatestarttagend too;
-#  3) if you change tagfind/attrfind and/or locatestarttagend the parser will
+#  1) if you change tagfind/attrfind remember to update locatestarttagend too;
+#  2) if you change tagfind/attrfind and/or locatestarttagend the parser will
 #     explode, so don't do it.
-tagfind = re.compile('([a-zA-Z][-.a-zA-Z0-9:_]*)(?:\s|/(?!>))*')
 # see http://www.w3.org/TR/html5/tokenization.html#tag-open-state
 # and http://www.w3.org/TR/html5/tokenization.html#tag-name-state
 tagfind_tolerant = re.compile('([a-zA-Z][^\t\n\r\f />\x00]*)(?:\s|/(?!>))*')
-attrfind = re.compile(
-    r'\s*([a-zA-Z_][-.:a-zA-Z_0-9]*)(\s*=\s*'
-    r'(\'[^\']*\'|"[^"]*"|[^\s"\'=<>`]*))?')
 attrfind_tolerant = re.compile(
     r'((?<=[\'"\s/])[^\s/>][^\s/=>]*)(\s*=+\s*'
     r'(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?(?:\s|/(?!>))*')
-locatestarttagend = re.compile(r"""
-  <[a-zA-Z][-.a-zA-Z0-9:_]*          # tag name
-  (?:\s+                             # whitespace before attribute name
-    (?:[a-zA-Z_][-.:a-zA-Z0-9_]*     # attribute name
-      (?:\s*=\s*                     # value indicator
-        (?:'[^']*'                   # LITA-enclosed value
-          |\"[^\"]*\"                # LIT-enclosed value
-          |[^'\">\s]+                # bare value
-         )
-       )?
-     )
-   )*
-  \s*                                # trailing whitespace
-""", re.VERBOSE)
 locatestarttagend_tolerant = re.compile(r"""
   <[a-zA-Z][^\t\n\r\f />\x00]*       # tag name
   (?:[\s/]*                          # optional whitespace before attribute name
@@ -79,25 +59,6 @@ endendtag = re.compile('>')
 endtagfind = re.compile('</\s*([a-zA-Z][-.a-zA-Z0-9:_]*)\s*>')
 
 
-class HTMLParseError(Exception):
-    """Exception raised for all parse errors."""
-
-    def __init__(self, msg, position=(None, None)):
-        assert msg
-        self.msg = msg
-        self.lineno = position[0]
-        self.offset = position[1]
-
-    def __str__(self):
-        result = self.msg
-        if self.lineno is not None:
-            result = result + ", at line %d" % self.lineno
-        if self.offset is not None:
-            result = result + ", column %d" % (self.offset + 1)
-        return result
-
-
-_default_sentinel = object()
 
 class HTMLParser(_markupbase.ParserBase):
     """Find tags and other markup and call handler functions.
@@ -123,27 +84,12 @@ class HTMLParser(_markupbase.ParserBase):
 
     CDATA_CONTENT_ELEMENTS = ("script", "style")
 
-    def __init__(self, strict=_default_sentinel, *,
-                 convert_charrefs=_default_sentinel):
+    def __init__(self, *, convert_charrefs=True):
         """Initialize and reset this instance.
 
-        If convert_charrefs is True (default: False), all character references
+        If convert_charrefs is True (the default), all character references
         are automatically converted to the corresponding Unicode characters.
-        If strict is set to False (the default) the parser will parse invalid
-        markup, otherwise it will raise an error.  Note that the strict mode
-        and argument are deprecated.
         """
-        if strict is not _default_sentinel:
-            warnings.warn("The strict argument and mode are deprecated.",
-                          DeprecationWarning, stacklevel=2)
-        else:
-            strict = False  # default
-        self.strict = strict
-        if convert_charrefs is _default_sentinel:
-            convert_charrefs = False  # default
-            warnings.warn("The value of convert_charrefs will become True in "
-                          "3.5. You are encouraged to set the value explicitly.",
-                          DeprecationWarning, stacklevel=2)
         self.convert_charrefs = convert_charrefs
         self.reset()
 
@@ -168,11 +114,6 @@ class HTMLParser(_markupbase.ParserBase):
         """Handle any buffered data."""
         self.goahead(1)
 
-    def error(self, message):
-        warnings.warn("The 'error' method is deprecated.",
-                      DeprecationWarning, stacklevel=2)
-        raise HTMLParseError(message, self.getpos())
-
     __starttag_text = None
 
     def get_starttag_text(self):
@@ -227,10 +168,7 @@ class HTMLParser(_markupbase.ParserBase):
                 elif startswith("<?", i):
                     k = self.parse_pi(i)
                 elif startswith("<!", i):
-                    if self.strict:
-                        k = self.parse_declaration(i)
-                    else:
-                        k = self.parse_html_declaration(i)
+                    k = self.parse_html_declaration(i)
                 elif (i + 1) < n:
                     self.handle_data("<")
                     k = i + 1
@@ -239,8 +177,6 @@ class HTMLParser(_markupbase.ParserBase):
                 if k < 0:
                     if not end:
                         break
-                    if self.strict:
-                        self.error("EOF in middle of construct")
                     k = rawdata.find('>', i + 1)
                     if k < 0:
                         k = rawdata.find('<', i + 1)
@@ -282,13 +218,10 @@ class HTMLParser(_markupbase.ParserBase):
                 if match:
                     # match.group() will contain at least 2 chars
                     if end and match.group() == rawdata[i:]:
-                        if self.strict:
-                            self.error("EOF in middle of entity or char ref")
-                        else:
-                            k = match.end()
-                            if k <= i:
-                                k = n
-                            i = self.updatepos(i, i + 1)
+                        k = match.end()
+                        if k <= i:
+                            k = n
+                        i = self.updatepos(i, i + 1)
                     # incomplete
                     break
                 elif (i + 1) < n:
@@ -367,18 +300,12 @@ class HTMLParser(_markupbase.ParserBase):
 
         # Now parse the data between i+1 and j into a tag and attrs
         attrs = []
-        if self.strict:
-            match = tagfind.match(rawdata, i+1)
-        else:
-            match = tagfind_tolerant.match(rawdata, i+1)
+        match = tagfind_tolerant.match(rawdata, i+1)
         assert match, 'unexpected call to parse_starttag()'
         k = match.end()
         self.lasttag = tag = match.group(1).lower()
         while k < endpos:
-            if self.strict:
-                m = attrfind.match(rawdata, k)
-            else:
-                m = attrfind_tolerant.match(rawdata, k)
+            m = attrfind_tolerant.match(rawdata, k)
             if not m:
                 break
             attrname, rest, attrvalue = m.group(1, 2, 3)
@@ -401,9 +328,6 @@ class HTMLParser(_markupbase.ParserBase):
                          - self.__starttag_text.rfind("\n")
             else:
                 offset = offset + len(self.__starttag_text)
-            if self.strict:
-                self.error("junk characters in start tag: %r"
-                           % (rawdata[k:endpos][:20],))
             self.handle_data(rawdata[i:endpos])
             return endpos
         if end.endswith('/>'):
@@ -419,10 +343,7 @@ class HTMLParser(_markupbase.ParserBase):
     # or -1 if incomplete.
     def check_for_whole_start_tag(self, i):
         rawdata = self.rawdata
-        if self.strict:
-            m = locatestarttagend.match(rawdata, i)
-        else:
-            m = locatestarttagend_tolerant.match(rawdata, i)
+        m = locatestarttagend_tolerant.match(rawdata, i)
         if m:
             j = m.end()
             next = rawdata[j:j+1]
@@ -435,9 +356,6 @@ class HTMLParser(_markupbase.ParserBase):
                     # buffer boundary
                     return -1
                 # else bogus input
-                if self.strict:
-                    self.updatepos(i, j + 1)
-                    self.error("malformed empty start tag")
                 if j > i:
                     return j
                 else:
@@ -450,9 +368,6 @@ class HTMLParser(_markupbase.ParserBase):
                 # end of input in or before attribute value, or we have the
                 # '/' from a '/>' ending
                 return -1
-            if self.strict:
-                self.updatepos(i, j)
-                self.error("malformed start tag")
             if j > i:
                 return j
             else:
@@ -472,8 +387,6 @@ class HTMLParser(_markupbase.ParserBase):
             if self.cdata_elem is not None:
                 self.handle_data(rawdata[i:gtpos])
                 return gtpos
-            if self.strict:
-                self.error("bad end tag: %r" % (rawdata[i:gtpos],))
             # find the name: w3.org/TR/html5/tokenization.html#tag-name-state
             namematch = tagfind_tolerant.match(rawdata, i+2)
             if not namematch:
@@ -539,8 +452,7 @@ class HTMLParser(_markupbase.ParserBase):
         pass
 
     def unknown_decl(self, data):
-        if self.strict:
-            self.error("unknown declaration: %r" % (data,))
+        pass
 
     # Internal -- helper to remove special character quoting
     def unescape(self, s):
diff --git a/Lib/http/__init__.py b/Lib/http/__init__.py
index 196d378..d4334cc 100644
--- a/Lib/http/__init__.py
+++ b/Lib/http/__init__.py
@@ -1 +1,134 @@
-# This directory is a Python package.
+from enum import IntEnum
+
+__all__ = ['HTTPStatus']
+
+class HTTPStatus(IntEnum):
+    """HTTP status codes and reason phrases
+
+    Status codes from the following RFCs are all observed:
+
+        * RFC 7231: Hypertext Transfer Protocol (HTTP/1.1), obsoletes 2616
+        * RFC 6585: Additional HTTP Status Codes
+        * RFC 3229: Delta encoding in HTTP
+        * RFC 4918: HTTP Extensions for WebDAV, obsoletes 2518
+        * RFC 5842: Binding Extensions to WebDAV
+        * RFC 7238: Permanent Redirect
+        * RFC 2295: Transparent Content Negotiation in HTTP
+        * RFC 2774: An HTTP Extension Framework
+    """
+    def __new__(cls, value, phrase, description=''):
+        obj = int.__new__(cls, value)
+        obj._value_ = value
+
+        obj.phrase = phrase
+        obj.description = description
+        return obj
+
+    # informational
+    CONTINUE = 100, 'Continue', 'Request received, please continue'
+    SWITCHING_PROTOCOLS = (101, 'Switching Protocols',
+            'Switching to new protocol; obey Upgrade header')
+    PROCESSING = 102, 'Processing'
+
+    # success
+    OK = 200, 'OK', 'Request fulfilled, document follows'
+    CREATED = 201, 'Created', 'Document created, URL follows'
+    ACCEPTED = (202, 'Accepted',
+        'Request accepted, processing continues off-line')
+    NON_AUTHORITATIVE_INFORMATION = (203,
+        'Non-Authoritative Information', 'Request fulfilled from cache')
+    NO_CONTENT = 204, 'No Content', 'Request fulfilled, nothing follows'
+    RESET_CONTENT = 205, 'Reset Content', 'Clear input form for further input'
+    PARTIAL_CONTENT = 206, 'Partial Content', 'Partial content follows'
+    MULTI_STATUS = 207, 'Multi-Status'
+    ALREADY_REPORTED = 208, 'Already Reported'
+    IM_USED = 226, 'IM Used'
+
+    # redirection
+    MULTIPLE_CHOICES = (300, 'Multiple Choices',
+        'Object has several resources -- see URI list')
+    MOVED_PERMANENTLY = (301, 'Moved Permanently',
+        'Object moved permanently -- see URI list')
+    FOUND = 302, 'Found', 'Object moved temporarily -- see URI list'
+    SEE_OTHER = 303, 'See Other', 'Object moved -- see Method and URL list'
+    NOT_MODIFIED = (304, 'Not Modified',
+        'Document has not changed since given time')
+    USE_PROXY = (305, 'Use Proxy',
+        'You must use proxy specified in Location to access this resource')
+    TEMPORARY_REDIRECT = (307, 'Temporary Redirect',
+        'Object moved temporarily -- see URI list')
+    PERMANENT_REDIRECT = (308, 'Permanent Redirect',
+        'Object moved temporarily -- see URI list')
+
+    # client error
+    BAD_REQUEST = (400, 'Bad Request',
+        'Bad request syntax or unsupported method')
+    UNAUTHORIZED = (401, 'Unauthorized',
+        'No permission -- see authorization schemes')
+    PAYMENT_REQUIRED = (402, 'Payment Required',
+        'No payment -- see charging schemes')
+    FORBIDDEN = (403, 'Forbidden',
+        'Request forbidden -- authorization will not help')
+    NOT_FOUND = (404, 'Not Found',
+        'Nothing matches the given URI')
+    METHOD_NOT_ALLOWED = (405, 'Method Not Allowed',
+        'Specified method is invalid for this resource')
+    NOT_ACCEPTABLE = (406, 'Not Acceptable',
+        'URI not available in preferred format')
+    PROXY_AUTHENTICATION_REQUIRED = (407,
+        'Proxy Authentication Required',
+        'You must authenticate with this proxy before proceeding')
+    REQUEST_TIMEOUT = (408, 'Request Timeout',
+        'Request timed out; try again later')
+    CONFLICT = 409, 'Conflict', 'Request conflict'
+    GONE = (410, 'Gone',
+        'URI no longer exists and has been permanently removed')
+    LENGTH_REQUIRED = (411, 'Length Required',
+        'Client must specify Content-Length')
+    PRECONDITION_FAILED = (412, 'Precondition Failed',
+        'Precondition in headers is false')
+    REQUEST_ENTITY_TOO_LARGE = (413, 'Request Entity Too Large',
+        'Entity is too large')
+    REQUEST_URI_TOO_LONG = (414, 'Request-URI Too Long',
+        'URI is too long')
+    UNSUPPORTED_MEDIA_TYPE = (415, 'Unsupported Media Type',
+        'Entity body in unsupported format')
+    REQUESTED_RANGE_NOT_SATISFIABLE = (416,
+        'Requested Range Not Satisfiable',
+        'Cannot satisfy request range')
+    EXPECTATION_FAILED = (417, 'Expectation Failed',
+        'Expect condition could not be satisfied')
+    UNPROCESSABLE_ENTITY = 422, 'Unprocessable Entity'
+    LOCKED = 423, 'Locked'
+    FAILED_DEPENDENCY = 424, 'Failed Dependency'
+    UPGRADE_REQUIRED = 426, 'Upgrade Required'
+    PRECONDITION_REQUIRED = (428, 'Precondition Required',
+        'The origin server requires the request to be conditional')
+    TOO_MANY_REQUESTS = (429, 'Too Many Requests',
+        'The user has sent too many requests in '
+        'a given amount of time ("rate limiting")')
+    REQUEST_HEADER_FIELDS_TOO_LARGE = (431,
+        'Request Header Fields Too Large',
+        'The server is unwilling to process the request because its header '
+        'fields are too large')
+
+    # server errors
+    INTERNAL_SERVER_ERROR = (500, 'Internal Server Error',
+        'Server got itself in trouble')
+    NOT_IMPLEMENTED = (501, 'Not Implemented',
+        'Server does not support this operation')
+    BAD_GATEWAY = (502, 'Bad Gateway',
+        'Invalid responses from another server/proxy')
+    SERVICE_UNAVAILABLE = (503, 'Service Unavailable',
+        'The server cannot process the request due to a high load')
+    GATEWAY_TIMEOUT = (504, 'Gateway Timeout',
+        'The gateway server did not receive a timely response')
+    HTTP_VERSION_NOT_SUPPORTED = (505, 'HTTP Version Not Supported',
+        'Cannot fulfill request')
+    VARIANT_ALSO_NEGOTIATES = 506, 'Variant Also Negotiates'
+    INSUFFICIENT_STORAGE = 507, 'Insufficient Storage'
+    LOOP_DETECTED = 508, 'Loop Detected'
+    NOT_EXTENDED = 510, 'Not Extended'
+    NETWORK_AUTHENTICATION_REQUIRED = (511,
+        'Network Authentication Required',
+        'The client needs to authenticate to gain network access')
diff --git a/Lib/http/client.py b/Lib/http/client.py
index 1c69dcb..80c80cf 100644
--- a/Lib/http/client.py
+++ b/Lib/http/client.py
@@ -20,10 +20,12 @@ request. This diagram details these state transitions:
       | ( putheader() )*  endheaders()
       v
     Request-sent
-      |
-      | response = getresponse()
-      v
-    Unread-response   [Response-headers-read]
+      |\_____________________________
+      |                              | getresponse() raises
+      | response = getresponse()     | ConnectionError
+      v                              v
+    Unread-response                Idle
+    [Response-headers-read]
       |\____________________
       |                     |
       | response.read()     | putrequest()
@@ -68,6 +70,7 @@ Req-sent-unread-response       _CS_REQ_SENT       <response_class>
 
 import email.parser
 import email.message
+import http
 import io
 import os
 import re
@@ -82,7 +85,8 @@ __all__ = ["HTTPResponse", "HTTPConnection",
            "UnknownTransferEncoding", "UnimplementedFileMode",
            "IncompleteRead", "InvalidURL", "ImproperConnectionState",
            "CannotSendRequest", "CannotSendHeader", "ResponseNotReady",
-           "BadStatusLine", "LineTooLong", "error", "responses"]
+           "BadStatusLine", "LineTooLong", "RemoteDisconnected", "error",
+           "responses"]
 
 HTTP_PORT = 80
 HTTPS_PORT = 443
@@ -94,122 +98,13 @@ _CS_IDLE = 'Idle'
 _CS_REQ_STARTED = 'Request-started'
 _CS_REQ_SENT = 'Request-sent'
 
-# status codes
-# informational
-CONTINUE = 100
-SWITCHING_PROTOCOLS = 101
-PROCESSING = 102
-
-# successful
-OK = 200
-CREATED = 201
-ACCEPTED = 202
-NON_AUTHORITATIVE_INFORMATION = 203
-NO_CONTENT = 204
-RESET_CONTENT = 205
-PARTIAL_CONTENT = 206
-MULTI_STATUS = 207
-IM_USED = 226
-
-# redirection
-MULTIPLE_CHOICES = 300
-MOVED_PERMANENTLY = 301
-FOUND = 302
-SEE_OTHER = 303
-NOT_MODIFIED = 304
-USE_PROXY = 305
-TEMPORARY_REDIRECT = 307
-
-# client error
-BAD_REQUEST = 400
-UNAUTHORIZED = 401
-PAYMENT_REQUIRED = 402
-FORBIDDEN = 403
-NOT_FOUND = 404
-METHOD_NOT_ALLOWED = 405
-NOT_ACCEPTABLE = 406
-PROXY_AUTHENTICATION_REQUIRED = 407
-REQUEST_TIMEOUT = 408
-CONFLICT = 409
-GONE = 410
-LENGTH_REQUIRED = 411
-PRECONDITION_FAILED = 412
-REQUEST_ENTITY_TOO_LARGE = 413
-REQUEST_URI_TOO_LONG = 414
-UNSUPPORTED_MEDIA_TYPE = 415
-REQUESTED_RANGE_NOT_SATISFIABLE = 416
-EXPECTATION_FAILED = 417
-UNPROCESSABLE_ENTITY = 422
-LOCKED = 423
-FAILED_DEPENDENCY = 424
-UPGRADE_REQUIRED = 426
-PRECONDITION_REQUIRED = 428
-TOO_MANY_REQUESTS = 429
-REQUEST_HEADER_FIELDS_TOO_LARGE = 431
-
-# server error
-INTERNAL_SERVER_ERROR = 500
-NOT_IMPLEMENTED = 501
-BAD_GATEWAY = 502
-SERVICE_UNAVAILABLE = 503
-GATEWAY_TIMEOUT = 504
-HTTP_VERSION_NOT_SUPPORTED = 505
-INSUFFICIENT_STORAGE = 507
-NOT_EXTENDED = 510
-NETWORK_AUTHENTICATION_REQUIRED = 511
 
+# hack to maintain backwards compatibility
+globals().update(http.HTTPStatus.__members__)
+
+# another hack to maintain backwards compatibility
 # Mapping status codes to official W3C names
-responses = {
-    100: 'Continue',
-    101: 'Switching Protocols',
-
-    200: 'OK',
-    201: 'Created',
-    202: 'Accepted',
-    203: 'Non-Authoritative Information',
-    204: 'No Content',
-    205: 'Reset Content',
-    206: 'Partial Content',
-
-    300: 'Multiple Choices',
-    301: 'Moved Permanently',
-    302: 'Found',
-    303: 'See Other',
-    304: 'Not Modified',
-    305: 'Use Proxy',
-    306: '(Unused)',
-    307: 'Temporary Redirect',
-
-    400: 'Bad Request',
-    401: 'Unauthorized',
-    402: 'Payment Required',
-    403: 'Forbidden',
-    404: 'Not Found',
-    405: 'Method Not Allowed',
-    406: 'Not Acceptable',
-    407: 'Proxy Authentication Required',
-    408: 'Request Timeout',
-    409: 'Conflict',
-    410: 'Gone',
-    411: 'Length Required',
-    412: 'Precondition Failed',
-    413: 'Request Entity Too Large',
-    414: 'Request-URI Too Long',
-    415: 'Unsupported Media Type',
-    416: 'Requested Range Not Satisfiable',
-    417: 'Expectation Failed',
-    428: 'Precondition Required',
-    429: 'Too Many Requests',
-    431: 'Request Header Fields Too Large',
-
-    500: 'Internal Server Error',
-    501: 'Not Implemented',
-    502: 'Bad Gateway',
-    503: 'Service Unavailable',
-    504: 'Gateway Timeout',
-    505: 'HTTP Version Not Supported',
-    511: 'Network Authentication Required',
-}
+responses = {v: v.phrase for v in http.HTTPStatus.__members__.values()}
 
 # maximal amount of data to read at one time in _safe_read
 MAXAMOUNT = 1048576
@@ -305,7 +200,7 @@ def parse_headers(fp, _class=HTTPMessage):
     return email.parser.Parser(_class=_class).parsestr(hstring)
 
 
-class HTTPResponse(io.RawIOBase):
+class HTTPResponse(io.BufferedIOBase):
 
     # See RFC 2616 sec 19.6 and RFC 1945 sec 6 for details.
 
@@ -353,7 +248,8 @@ class HTTPResponse(io.RawIOBase):
         if not line:
             # Presumably, the server closed the connection before
             # sending a valid response.
-            raise BadStatusLine(line)
+            raise RemoteDisconnected("Remote end closed connection without"
+                                     " response")
         try:
             version, status, reason = line.split(None, 2)
         except ValueError:
@@ -532,9 +428,10 @@ class HTTPResponse(io.RawIOBase):
             return b""
 
         if amt is not None:
-            # Amount is given, so call base class version
-            # (which is implemented in terms of self.readinto)
-            return super(HTTPResponse, self).read(amt)
+            # Amount is given, implement using readinto
+            b = bytearray(amt)
+            n = self.readinto(b)
+            return memoryview(b)[:n].tobytes()
         else:
             # Amount is not given (unbounded read) so we must check self.length
             # and self.chunked
@@ -614,71 +511,67 @@ class HTTPResponse(io.RawIOBase):
             if line in (b'\r\n', b'\n', b''):
                 break
 
+    def _get_chunk_left(self):
+        # return self.chunk_left, reading a new chunk if necessary.
+        # chunk_left == 0: at the end of the current chunk, need to close it
+        # chunk_left == None: No current chunk, should read next.
+        # This function returns non-zero or None if the last chunk has
+        # been read.
+        chunk_left = self.chunk_left
+        if not chunk_left: # Can be 0 or None
+            if chunk_left is not None:
+                # We are at the end of chunk. dicard chunk end
+                self._safe_read(2)  # toss the CRLF at the end of the chunk
+            try:
+                chunk_left = self._read_next_chunk_size()
+            except ValueError:
+                raise IncompleteRead(b'')
+            if chunk_left == 0:
+                # last chunk: 1*("0") [ chunk-extension ] CRLF
+                self._read_and_discard_trailer()
+                # we read everything; close the "file"
+                self._close_conn()
+                chunk_left = None
+            self.chunk_left = chunk_left
+        return chunk_left
+
     def _readall_chunked(self):
         assert self.chunked != _UNKNOWN
-        chunk_left = self.chunk_left
         value = []
-        while True:
-            if chunk_left is None:
-                try:
-                    chunk_left = self._read_next_chunk_size()
-                    if chunk_left == 0:
-                        break
-                except ValueError:
-                    raise IncompleteRead(b''.join(value))
-            value.append(self._safe_read(chunk_left))
-
-            # we read the whole chunk, get another
-            self._safe_read(2)      # toss the CRLF at the end of the chunk
-            chunk_left = None
-
-        self._read_and_discard_trailer()
-
-        # we read everything; close the "file"
-        self._close_conn()
-
-        return b''.join(value)
+        try:
+            while True:
+                chunk_left = self._get_chunk_left()
+                if chunk_left is None:
+                    break
+                value.append(self._safe_read(chunk_left))
+                self.chunk_left = 0
+            return b''.join(value)
+        except IncompleteRead:
+            raise IncompleteRead(b''.join(value))
 
     def _readinto_chunked(self, b):
         assert self.chunked != _UNKNOWN
-        chunk_left = self.chunk_left
-
         total_bytes = 0
         mvb = memoryview(b)
-        while True:
-            if chunk_left is None:
-                try:
-                    chunk_left = self._read_next_chunk_size()
-                    if chunk_left == 0:
-                        break
-                except ValueError:
-                    raise IncompleteRead(bytes(b[0:total_bytes]))
-
-            if len(mvb) < chunk_left:
-                n = self._safe_readinto(mvb)
-                self.chunk_left = chunk_left - n
-                return total_bytes + n
-            elif len(mvb) == chunk_left:
-                n = self._safe_readinto(mvb)
-                self._safe_read(2)  # toss the CRLF at the end of the chunk
-                self.chunk_left = None
-                return total_bytes + n
-            else:
-                temp_mvb = mvb[0:chunk_left]
+        try:
+            while True:
+                chunk_left = self._get_chunk_left()
+                if chunk_left is None:
+                    return total_bytes
+
+                if len(mvb) <= chunk_left:
+                    n = self._safe_readinto(mvb)
+                    self.chunk_left = chunk_left - n
+                    return total_bytes + n
+
+                temp_mvb = mvb[:chunk_left]
                 n = self._safe_readinto(temp_mvb)
                 mvb = mvb[n:]
                 total_bytes += n
+                self.chunk_left = 0
 
-            # we read the whole chunk, get another
-            self._safe_read(2)      # toss the CRLF at the end of the chunk
-            chunk_left = None
-
-        self._read_and_discard_trailer()
-
-        # we read everything; close the "file"
-        self._close_conn()
-
-        return total_bytes
+        except IncompleteRead:
+            raise IncompleteRead(bytes(b[0:total_bytes]))
 
     def _safe_read(self, amt):
         """Read the number of bytes requested, compensating for partial reads.
@@ -719,6 +612,73 @@ class HTTPResponse(io.RawIOBase):
             total_bytes += n
         return total_bytes
 
+    def read1(self, n=-1):
+        """Read with at most one underlying system call.  If at least one
+        byte is buffered, return that instead.
+        """
+        if self.fp is None or self._method == "HEAD":
+            return b""
+        if self.chunked:
+            return self._read1_chunked(n)
+        try:
+            result = self.fp.read1(n)
+        except ValueError:
+            if n >= 0:
+                raise
+            # some implementations, like BufferedReader, don't support -1
+            # Read an arbitrarily selected largeish chunk.
+            result = self.fp.read1(16*1024)
+        if not result and n:
+            self._close_conn()
+        return result
+
+    def peek(self, n=-1):
+        # Having this enables IOBase.readline() to read more than one
+        # byte at a time
+        if self.fp is None or self._method == "HEAD":
+            return b""
+        if self.chunked:
+            return self._peek_chunked(n)
+        return self.fp.peek(n)
+
+    def readline(self, limit=-1):
+        if self.fp is None or self._method == "HEAD":
+            return b""
+        if self.chunked:
+            # Fallback to IOBase readline which uses peek() and read()
+            return super().readline(limit)
+        result = self.fp.readline(limit)
+        if not result and limit:
+            self._close_conn()
+        return result
+
+    def _read1_chunked(self, n):
+        # Strictly speaking, _get_chunk_left() may cause more than one read,
+        # but that is ok, since that is to satisfy the chunked protocol.
+        chunk_left = self._get_chunk_left()
+        if chunk_left is None or n == 0:
+            return b''
+        if not (0 <= n <= chunk_left):
+            n = chunk_left # if n is negative or larger than chunk_left
+        read = self.fp.read1(n)
+        self.chunk_left -= len(read)
+        if not read:
+            raise IncompleteRead(b"")
+        return read
+
+    def _peek_chunked(self, n):
+        # Strictly speaking, _get_chunk_left() may cause more than one read,
+        # but that is ok, since that is to satisfy the chunked protocol.
+        try:
+            chunk_left = self._get_chunk_left()
+        except IncompleteRead:
+            return b'' # peek doesn't worry about protocol
+        if chunk_left is None:
+            return b'' # eof
+        # peek is allowed to return more than requested.  Just request the
+        # entire chunk, and truncate what we get.
+        return self.fp.peek(chunk_left)[:chunk_left]
+
     def fileno(self):
         return self.fp.fileno()
 
@@ -762,14 +722,6 @@ class HTTPConnection:
     default_port = HTTP_PORT
     auto_open = 1
     debuglevel = 0
-    # TCP Maximum Segment Size (MSS) is determined by the TCP stack on
-    # a per-connection basis.  There is no simple and efficient
-    # platform independent mechanism for determining the MSS, so
-    # instead a reasonable estimate is chosen.  The getsockopt()
-    # interface using the TCP_MAXSEG parameter may be a suitable
-    # approach on some operating systems. A value of 16KiB is chosen
-    # as a reasonable estimate of the maximum MSS.
-    mss = 16384
 
     def __init__(self, host, port=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
                  source_address=None):
@@ -851,7 +803,7 @@ class HTTPConnection:
         response = self.response_class(self.sock, method=self._method)
         (version, code, message) = response._read_status()
 
-        if code != 200:
+        if code != http.HTTPStatus.OK:
             self.close()
             raise OSError("Tunnel connection failed: %d %s" % (code,
                                                                message.strip()))
@@ -865,10 +817,14 @@ class HTTPConnection:
             if line in (b'\r\n', b'\n', b''):
                 break
 
+            if self.debuglevel > 0:
+                print('header:', line.decode())
+
     def connect(self):
         """Connect to the host and port specified in __init__."""
-        self.sock = self._create_connection((self.host,self.port),
-                                            self.timeout, self.source_address)
+        self.sock = self._create_connection(
+            (self.host,self.port), self.timeout, self.source_address)
+        self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
 
         if self._tunnel_host:
             self._tunnel()
@@ -951,19 +907,9 @@ class HTTPConnection:
         self._buffer.extend((b"", b""))
         msg = b"\r\n".join(self._buffer)
         del self._buffer[:]
-        # If msg and message_body are sent in a single send() call,
-        # it will avoid performance problems caused by the interaction
-        # between delayed ack and the Nagle algorithm. However,
-        # there is no performance gain if the message is larger
-        # than MSS (and there is a memory penalty for the message
-        # copy).
-        if isinstance(message_body, bytes) and len(message_body) < self.mss:
-            msg += message_body
-            message_body = None
+
         self.send(msg)
         if message_body is not None:
-            # message_body was not a string (i.e. it is a file), and
-            # we must run the risk of Nagle.
             self.send(message_body)
 
     def putrequest(self, method, url, skip_host=0, skip_accept_encoding=0):
@@ -1224,7 +1170,11 @@ class HTTPConnection:
             response = self.response_class(self.sock, method=self._method)
 
         try:
-            response.begin()
+            try:
+                response.begin()
+            except ConnectionError:
+                self.close()
+                raise
             assert response.will_close != _UNKNOWN
             self.__state = _CS_IDLE
 
@@ -1327,7 +1277,8 @@ class IncompleteRead(HTTPException):
             e = ', %i more expected' % self.expected
         else:
             e = ''
-        return 'IncompleteRead(%i bytes read%s)' % (len(self.partial), e)
+        return '%s(%i bytes read%s)' % (self.__class__.__name__,
+                                        len(self.partial), e)
     def __str__(self):
         return repr(self)
 
@@ -1355,5 +1306,10 @@ class LineTooLong(HTTPException):
         HTTPException.__init__(self, "got more than %d bytes when reading %s"
                                      % (_MAXLINE, line_type))
 
+class RemoteDisconnected(ConnectionResetError, BadStatusLine):
+    def __init__(self, *pos, **kw):
+        BadStatusLine.__init__(self, "")
+        ConnectionResetError.__init__(self, *pos, **kw)
+
 # for backwards compatibility
 error = HTTPException
diff --git a/Lib/http/cookiejar.py b/Lib/http/cookiejar.py
index bfc6ae9..d54f58a 100644
--- a/Lib/http/cookiejar.py
+++ b/Lib/http/cookiejar.py
@@ -821,7 +821,7 @@ class Cookie:
             args.append("%s=%s" % (name, repr(attr)))
         args.append("rest=%s" % repr(self._rest))
         args.append("rfc2109=%s" % repr(self.rfc2109))
-        return "Cookie(%s)" % ", ".join(args)
+        return "%s(%s)" % (self.__class__.__name__, ", ".join(args))
 
 
 class CookiePolicy:
@@ -1999,7 +1999,6 @@ class MozillaCookieJar(FileCookieJar):
 
         magic = f.readline()
         if not self.magic_re.search(magic):
-            f.close()
             raise LoadError(
                 "%r does not look like a Netscape format cookies file" %
                 filename)
diff --git a/Lib/http/cookies.py b/Lib/http/cookies.py
index 3e1abd7..26c9ac4 100644
--- a/Lib/http/cookies.py
+++ b/Lib/http/cookies.py
@@ -138,6 +138,12 @@ _nulljoin = ''.join
 _semispacejoin = '; '.join
 _spacejoin = ' '.join
 
+def _warn_deprecated_setter(setter):
+    import warnings
+    msg = ('The .%s setter is deprecated. The attribute will be read-only in '
+           'future releases. Please use the set() method instead.' % setter)
+    warnings.warn(msg, DeprecationWarning, stacklevel=3)
+
 #
 # Define an exception visible to External modules
 #
@@ -151,88 +157,36 @@ class CookieError(Exception):
 # into a 4 character sequence: a forward-slash followed by the
 # three-digit octal equivalent of the character.  Any '\' or '"' is
 # quoted with a preceeding '\' slash.
+# Because of the way browsers really handle cookies (as opposed to what
+# the RFC says) we also encode "," and ";".
 #
 # These are taken from RFC2068 and RFC2109.
 #       _LegalChars       is the list of chars which don't require "'s
 #       _Translator       hash-table for fast quoting
 #
-_LegalChars       = string.ascii_letters + string.digits + "!#$%&'*+-.^_`|~:"
-_Translator       = {
-    '\000' : '\\000',  '\001' : '\\001',  '\002' : '\\002',
-    '\003' : '\\003',  '\004' : '\\004',  '\005' : '\\005',
-    '\006' : '\\006',  '\007' : '\\007',  '\010' : '\\010',
-    '\011' : '\\011',  '\012' : '\\012',  '\013' : '\\013',
-    '\014' : '\\014',  '\015' : '\\015',  '\016' : '\\016',
-    '\017' : '\\017',  '\020' : '\\020',  '\021' : '\\021',
-    '\022' : '\\022',  '\023' : '\\023',  '\024' : '\\024',
-    '\025' : '\\025',  '\026' : '\\026',  '\027' : '\\027',
-    '\030' : '\\030',  '\031' : '\\031',  '\032' : '\\032',
-    '\033' : '\\033',  '\034' : '\\034',  '\035' : '\\035',
-    '\036' : '\\036',  '\037' : '\\037',
-
-    # Because of the way browsers really handle cookies (as opposed
-    # to what the RFC says) we also encode , and ;
-
-    ',' : '\\054', ';' : '\\073',
-
-    '"' : '\\"',       '\\' : '\\\\',
-
-    '\177' : '\\177',  '\200' : '\\200',  '\201' : '\\201',
-    '\202' : '\\202',  '\203' : '\\203',  '\204' : '\\204',
-    '\205' : '\\205',  '\206' : '\\206',  '\207' : '\\207',
-    '\210' : '\\210',  '\211' : '\\211',  '\212' : '\\212',
-    '\213' : '\\213',  '\214' : '\\214',  '\215' : '\\215',
-    '\216' : '\\216',  '\217' : '\\217',  '\220' : '\\220',
-    '\221' : '\\221',  '\222' : '\\222',  '\223' : '\\223',
-    '\224' : '\\224',  '\225' : '\\225',  '\226' : '\\226',
-    '\227' : '\\227',  '\230' : '\\230',  '\231' : '\\231',
-    '\232' : '\\232',  '\233' : '\\233',  '\234' : '\\234',
-    '\235' : '\\235',  '\236' : '\\236',  '\237' : '\\237',
-    '\240' : '\\240',  '\241' : '\\241',  '\242' : '\\242',
-    '\243' : '\\243',  '\244' : '\\244',  '\245' : '\\245',
-    '\246' : '\\246',  '\247' : '\\247',  '\250' : '\\250',
-    '\251' : '\\251',  '\252' : '\\252',  '\253' : '\\253',
-    '\254' : '\\254',  '\255' : '\\255',  '\256' : '\\256',
-    '\257' : '\\257',  '\260' : '\\260',  '\261' : '\\261',
-    '\262' : '\\262',  '\263' : '\\263',  '\264' : '\\264',
-    '\265' : '\\265',  '\266' : '\\266',  '\267' : '\\267',
-    '\270' : '\\270',  '\271' : '\\271',  '\272' : '\\272',
-    '\273' : '\\273',  '\274' : '\\274',  '\275' : '\\275',
-    '\276' : '\\276',  '\277' : '\\277',  '\300' : '\\300',
-    '\301' : '\\301',  '\302' : '\\302',  '\303' : '\\303',
-    '\304' : '\\304',  '\305' : '\\305',  '\306' : '\\306',
-    '\307' : '\\307',  '\310' : '\\310',  '\311' : '\\311',
-    '\312' : '\\312',  '\313' : '\\313',  '\314' : '\\314',
-    '\315' : '\\315',  '\316' : '\\316',  '\317' : '\\317',
-    '\320' : '\\320',  '\321' : '\\321',  '\322' : '\\322',
-    '\323' : '\\323',  '\324' : '\\324',  '\325' : '\\325',
-    '\326' : '\\326',  '\327' : '\\327',  '\330' : '\\330',
-    '\331' : '\\331',  '\332' : '\\332',  '\333' : '\\333',
-    '\334' : '\\334',  '\335' : '\\335',  '\336' : '\\336',
-    '\337' : '\\337',  '\340' : '\\340',  '\341' : '\\341',
-    '\342' : '\\342',  '\343' : '\\343',  '\344' : '\\344',
-    '\345' : '\\345',  '\346' : '\\346',  '\347' : '\\347',
-    '\350' : '\\350',  '\351' : '\\351',  '\352' : '\\352',
-    '\353' : '\\353',  '\354' : '\\354',  '\355' : '\\355',
-    '\356' : '\\356',  '\357' : '\\357',  '\360' : '\\360',
-    '\361' : '\\361',  '\362' : '\\362',  '\363' : '\\363',
-    '\364' : '\\364',  '\365' : '\\365',  '\366' : '\\366',
-    '\367' : '\\367',  '\370' : '\\370',  '\371' : '\\371',
-    '\372' : '\\372',  '\373' : '\\373',  '\374' : '\\374',
-    '\375' : '\\375',  '\376' : '\\376',  '\377' : '\\377'
-    }
+_LegalChars = string.ascii_letters + string.digits + "!#$%&'*+-.^_`|~:"
+_UnescapedChars = _LegalChars + ' ()/<=>?@[]{}'
+
+_Translator = {n: '\\%03o' % n
+               for n in set(range(256)) - set(map(ord, _UnescapedChars))}
+_Translator.update({
+    ord('"'): '\\"',
+    ord('\\'): '\\\\',
+})
 
-def _quote(str, LegalChars=_LegalChars):
+_is_legal_key = re.compile('[%s]+' % _LegalChars).fullmatch
+
+def _quote(str):
     r"""Quote a string for use in a cookie header.
 
     If the string does not need to be double-quoted, then just return the
     string.  Otherwise, surround the string in doublequotes and quote
     (with a \) special characters.
     """
-    if all(c in LegalChars for c in str):
+    if str is None or _is_legal_key(str):
         return str
     else:
-        return '"' + _nulljoin(_Translator.get(s, s) for s in str) + '"'
+        return '"' + str.translate(_Translator) + '"'
 
 
 _OctalPatt = re.compile(r"\\[0-3][0-7][0-7]")
@@ -241,7 +195,7 @@ _QuotePatt = re.compile(r"[\\].")
 def _unquote(str):
     # If there aren't any doublequotes,
     # then there can't be any special characters.  See RFC 2109.
-    if len(str) < 2:
+    if str is None or len(str) < 2:
         return str
     if str[0] != '"' or str[-1] != '"':
         return str
@@ -339,33 +293,108 @@ class Morsel(dict):
 
     def __init__(self):
         # Set defaults
-        self.key = self.value = self.coded_value = None
+        self._key = self._value = self._coded_value = None
 
         # Set default attributes
         for key in self._reserved:
             dict.__setitem__(self, key, "")
 
+    @property
+    def key(self):
+        return self._key
+
+    @key.setter
+    def key(self, key):
+        _warn_deprecated_setter('key')
+        self._key = key
+
+    @property
+    def value(self):
+        return self._value
+
+    @value.setter
+    def value(self, value):
+        _warn_deprecated_setter('value')
+        self._value = value
+
+    @property
+    def coded_value(self):
+        return self._coded_value
+
+    @coded_value.setter
+    def coded_value(self, coded_value):
+        _warn_deprecated_setter('coded_value')
+        self._coded_value = coded_value
+
     def __setitem__(self, K, V):
         K = K.lower()
         if not K in self._reserved:
-            raise CookieError("Invalid Attribute %s" % K)
+            raise CookieError("Invalid attribute %r" % (K,))
         dict.__setitem__(self, K, V)
 
+    def setdefault(self, key, val=None):
+        key = key.lower()
+        if key not in self._reserved:
+            raise CookieError("Invalid attribute %r" % (key,))
+        return dict.setdefault(self, key, val)
+
+    def __eq__(self, morsel):
+        if not isinstance(morsel, Morsel):
+            return NotImplemented
+        return (dict.__eq__(self, morsel) and
+                self._value == morsel._value and
+                self._key == morsel._key and
+                self._coded_value == morsel._coded_value)
+
+    __ne__ = object.__ne__
+
+    def copy(self):
+        morsel = Morsel()
+        dict.update(morsel, self)
+        morsel.__dict__.update(self.__dict__)
+        return morsel
+
+    def update(self, values):
+        data = {}
+        for key, val in dict(values).items():
+            key = key.lower()
+            if key not in self._reserved:
+                raise CookieError("Invalid attribute %r" % (key,))
+            data[key] = val
+        dict.update(self, data)
+
     def isReservedKey(self, K):
         return K.lower() in self._reserved
 
     def set(self, key, val, coded_val, LegalChars=_LegalChars):
-        # First we verify that the key isn't a reserved word
-        # Second we make sure it only contains legal characters
+        if LegalChars != _LegalChars:
+            import warnings
+            warnings.warn(
+                'LegalChars parameter is deprecated, ignored and will '
+                'be removed in future versions.', DeprecationWarning,
+                stacklevel=2)
+
         if key.lower() in self._reserved:
-            raise CookieError("Attempt to set a reserved key: %s" % key)
-        if any(c not in LegalChars for c in key):
-            raise CookieError("Illegal key value: %s" % key)
+            raise CookieError('Attempt to set a reserved key %r' % (key,))
+        if not _is_legal_key(key):
+            raise CookieError('Illegal key %r' % (key,))
 
         # It's a good key, so save it.
-        self.key = key
-        self.value = val
-        self.coded_value = coded_val
+        self._key = key
+        self._value = val
+        self._coded_value = coded_val
+
+    def __getstate__(self):
+        return {
+            'key': self._key,
+            'value': self._value,
+            'coded_value': self._coded_value,
+        }
+
+    def __setstate__(self, state):
+        self._key = state['key']
+        self._value = state['value']
+        self._coded_value = state['coded_value']
 
     def output(self, attrs=None, header="Set-Cookie:"):
         return "%s %s" % (header, self.OutputString(attrs))
@@ -373,8 +402,7 @@ class Morsel(dict):
     __str__ = output
 
     def __repr__(self):
-        return '<%s: %s=%s>' % (self.__class__.__name__,
-                                self.key, repr(self.value))
+        return '<%s: %s>' % (self.__class__.__name__, self.OutputString())
 
     def js_output(self, attrs=None):
         # Print javascript
@@ -408,10 +436,9 @@ class Morsel(dict):
                 append("%s=%s" % (self._reserved[key], _getdate(value)))
             elif key == "max-age" and isinstance(value, int):
                 append("%s=%d" % (self._reserved[key], value))
-            elif key == "secure":
-                append(str(self._reserved[key]))
-            elif key == "httponly":
-                append(str(self._reserved[key]))
+            elif key in self._flags:
+                if value:
+                    append(str(self._reserved[key]))
             else:
                 append("%s=%s" % (self._reserved[key], value))
 
@@ -533,10 +560,17 @@ class BaseCookie(dict):
         return
 
     def __parse_string(self, str, patt=_CookiePattern):
-        i = 0            # Our starting point
-        n = len(str)     # Length of string
-        M = None         # current morsel
+        i = 0                 # Our starting point
+        n = len(str)          # Length of string
+        parsed_items = []     # Parsed (type, key, value) triples
+        morsel_seen = False   # A key=value pair was previously encountered
+
+        TYPE_ATTRIBUTE = 1
+        TYPE_KEYVALUE = 2
 
+        # We first parse the whole cookie string and reject it if it's
+        # syntactically invalid (this helps avoid some classes of injection
+        # attacks).
         while 0 <= i < n:
             # Start looking for a cookie
             match = patt.match(str, i)
@@ -547,22 +581,41 @@ class BaseCookie(dict):
             key, value = match.group("key"), match.group("val")
             i = match.end(0)
 
-            # Parse the key, value in case it's metainfo
             if key[0] == "$":
-                # We ignore attributes which pertain to the cookie
-                # mechanism as a whole.  See RFC 2109.
-                # (Does anyone care?)
-                if M:
-                    M[key[1:]] = value
+                if not morsel_seen:
+                    # We ignore attributes which pertain to the cookie
+                    # mechanism as a whole, such as "$Version".
+                    # See RFC 2965. (Does anyone care?)
+                    continue
+                parsed_items.append((TYPE_ATTRIBUTE, key[1:], value))
             elif key.lower() in Morsel._reserved:
-                if M:
-                    if value is None:
-                        if key.lower() in Morsel._flags:
-                            M[key] = True
+                if not morsel_seen:
+                    # Invalid cookie string
+                    return
+                if value is None:
+                    if key.lower() in Morsel._flags:
+                        parsed_items.append((TYPE_ATTRIBUTE, key, True))
                     else:
-                        M[key] = _unquote(value)
+                        # Invalid cookie string
+                        return
+                else:
+                    parsed_items.append((TYPE_ATTRIBUTE, key, _unquote(value)))
             elif value is not None:
-                rval, cval = self.value_decode(value)
+                parsed_items.append((TYPE_KEYVALUE, key, self.value_decode(value)))
+                morsel_seen = True
+            else:
+                # Invalid cookie string
+                return
+
+        # The cookie string is valid, apply it.
+        M = None         # current morsel
+        for tp, key, value in parsed_items:
+            if tp == TYPE_ATTRIBUTE:
+                assert M is not None
+                M[key] = value
+            else:
+                assert tp == TYPE_KEYVALUE
+                rval, cval = value
                 self.__set(key, rval, cval)
                 M = self[key]
 
diff --git a/Lib/http/server.py b/Lib/http/server.py
index 47655e7..fd13be3 100644
--- a/Lib/http/server.py
+++ b/Lib/http/server.py
@@ -103,6 +103,8 @@ import urllib.parse
 import copy
 import argparse
 
+from http import HTTPStatus
+
 
 # Default error message template
 DEFAULT_ERROR_MESSAGE = """\
@@ -281,7 +283,9 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
         if len(words) == 3:
             command, path, version = words
             if version[:5] != 'HTTP/':
-                self.send_error(400, "Bad request version (%r)" % version)
+                self.send_error(
+                    HTTPStatus.BAD_REQUEST,
+                    "Bad request version (%r)" % version)
                 return False
             try:
                 base_version_number = version.split('/', 1)[1]
@@ -296,25 +300,31 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
                     raise ValueError
                 version_number = int(version_number[0]), int(version_number[1])
             except (ValueError, IndexError):
-                self.send_error(400, "Bad request version (%r)" % version)
+                self.send_error(
+                    HTTPStatus.BAD_REQUEST,
+                    "Bad request version (%r)" % version)
                 return False
             if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1":
                 self.close_connection = False
             if version_number >= (2, 0):
-                self.send_error(505,
-                          "Invalid HTTP Version (%s)" % base_version_number)
+                self.send_error(
+                    HTTPStatus.HTTP_VERSION_NOT_SUPPORTED,
+                    "Invalid HTTP Version (%s)" % base_version_number)
                 return False
         elif len(words) == 2:
             command, path = words
             self.close_connection = True
             if command != 'GET':
-                self.send_error(400,
-                                "Bad HTTP/0.9 request type (%r)" % command)
+                self.send_error(
+                    HTTPStatus.BAD_REQUEST,
+                    "Bad HTTP/0.9 request type (%r)" % command)
                 return False
         elif not words:
             return False
         else:
-            self.send_error(400, "Bad request syntax (%r)" % requestline)
+            self.send_error(
+                HTTPStatus.BAD_REQUEST,
+                "Bad request syntax (%r)" % requestline)
             return False
         self.command, self.path, self.request_version = command, path, version
 
@@ -323,7 +333,9 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
             self.headers = http.client.parse_headers(self.rfile,
                                                      _class=self.MessageClass)
         except http.client.LineTooLong:
-            self.send_error(400, "Line too long")
+            self.send_error(
+                HTTPStatus.BAD_REQUEST,
+                "Line too long")
             return False
 
         conntype = self.headers.get('Connection', "")
@@ -355,7 +367,7 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
         False.
 
         """
-        self.send_response_only(100)
+        self.send_response_only(HTTPStatus.CONTINUE)
         self.end_headers()
         return True
 
@@ -373,7 +385,7 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
                 self.requestline = ''
                 self.request_version = ''
                 self.command = ''
-                self.send_error(414)
+                self.send_error(HTTPStatus.REQUEST_URI_TOO_LONG)
                 return
             if not self.raw_requestline:
                 self.close_connection = True
@@ -383,7 +395,9 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
                 return
             mname = 'do_' + self.command
             if not hasattr(self, mname):
-                self.send_error(501, "Unsupported method (%r)" % self.command)
+                self.send_error(
+                    HTTPStatus.NOT_IMPLEMENTED,
+                    "Unsupported method (%r)" % self.command)
                 return
             method = getattr(self, mname)
             method()
@@ -438,7 +452,11 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
         self.send_header('Connection', 'close')
         self.send_header('Content-Length', int(len(body)))
         self.end_headers()
-        if self.command != 'HEAD' and code >= 200 and code not in (204, 304):
+
+        if (self.command != 'HEAD' and
+                code >= 200 and
+                code not in (
+                    HTTPStatus.NO_CONTENT, HTTPStatus.NOT_MODIFIED)):
             self.wfile.write(body)
 
     def send_response(self, code, message=None):
@@ -499,7 +517,8 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
         This is called by send_response().
 
         """
-
+        if isinstance(code, HTTPStatus):
+            code = code.value
         self.log_message('"%s" %s %s',
                          self.requestline, str(code), str(size))
 
@@ -582,82 +601,11 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
     # MessageClass used to parse headers
     MessageClass = http.client.HTTPMessage
 
-    # Table mapping response codes to messages; entries have the
-    # form {code: (shortmessage, longmessage)}.
-    # See RFC 2616 and 6585.
+    # hack to maintain backwards compatibility
     responses = {
-        100: ('Continue', 'Request received, please continue'),
-        101: ('Switching Protocols',
-              'Switching to new protocol; obey Upgrade header'),
-
-        200: ('OK', 'Request fulfilled, document follows'),
-        201: ('Created', 'Document created, URL follows'),
-        202: ('Accepted',
-              'Request accepted, processing continues off-line'),
-        203: ('Non-Authoritative Information', 'Request fulfilled from cache'),
-        204: ('No Content', 'Request fulfilled, nothing follows'),
-        205: ('Reset Content', 'Clear input form for further input.'),
-        206: ('Partial Content', 'Partial content follows.'),
-
-        300: ('Multiple Choices',
-              'Object has several resources -- see URI list'),
-        301: ('Moved Permanently', 'Object moved permanently -- see URI list'),
-        302: ('Found', 'Object moved temporarily -- see URI list'),
-        303: ('See Other', 'Object moved -- see Method and URL list'),
-        304: ('Not Modified',
-              'Document has not changed since given time'),
-        305: ('Use Proxy',
-              'You must use proxy specified in Location to access this '
-              'resource.'),
-        307: ('Temporary Redirect',
-              'Object moved temporarily -- see URI list'),
-
-        400: ('Bad Request',
-              'Bad request syntax or unsupported method'),
-        401: ('Unauthorized',
-              'No permission -- see authorization schemes'),
-        402: ('Payment Required',
-              'No payment -- see charging schemes'),
-        403: ('Forbidden',
-              'Request forbidden -- authorization will not help'),
-        404: ('Not Found', 'Nothing matches the given URI'),
-        405: ('Method Not Allowed',
-              'Specified method is invalid for this resource.'),
-        406: ('Not Acceptable', 'URI not available in preferred format.'),
-        407: ('Proxy Authentication Required', 'You must authenticate with '
-              'this proxy before proceeding.'),
-        408: ('Request Timeout', 'Request timed out; try again later.'),
-        409: ('Conflict', 'Request conflict.'),
-        410: ('Gone',
-              'URI no longer exists and has been permanently removed.'),
-        411: ('Length Required', 'Client must specify Content-Length.'),
-        412: ('Precondition Failed', 'Precondition in headers is false.'),
-        413: ('Request Entity Too Large', 'Entity is too large.'),
-        414: ('Request-URI Too Long', 'URI is too long.'),
-        415: ('Unsupported Media Type', 'Entity body in unsupported format.'),
-        416: ('Requested Range Not Satisfiable',
-              'Cannot satisfy request range.'),
-        417: ('Expectation Failed',
-              'Expect condition could not be satisfied.'),
-        428: ('Precondition Required',
-              'The origin server requires the request to be conditional.'),
-        429: ('Too Many Requests', 'The user has sent too many requests '
-              'in a given amount of time ("rate limiting").'),
-        431: ('Request Header Fields Too Large', 'The server is unwilling to '
-              'process the request because its header fields are too large.'),
-
-        500: ('Internal Server Error', 'Server got itself in trouble'),
-        501: ('Not Implemented',
-              'Server does not support this operation'),
-        502: ('Bad Gateway', 'Invalid responses from another server/proxy.'),
-        503: ('Service Unavailable',
-              'The server cannot process the request due to a high load'),
-        504: ('Gateway Timeout',
-              'The gateway server did not receive a timely response'),
-        505: ('HTTP Version Not Supported', 'Cannot fulfill request.'),
-        511: ('Network Authentication Required',
-              'The client needs to authenticate to gain network access.'),
-        }
+        v: (v.phrase, v.description)
+        for v in HTTPStatus.__members__.values()
+    }
 
 
 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
@@ -707,7 +655,7 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
             parts = urllib.parse.urlsplit(self.path)
             if not parts.path.endswith('/'):
                 # redirect browser - doing basically what apache does
-                self.send_response(301)
+                self.send_response(HTTPStatus.MOVED_PERMANENTLY)
                 new_parts = (parts[0], parts[1], parts[2] + '/',
                              parts[3], parts[4])
                 new_url = urllib.parse.urlunsplit(new_parts)
@@ -725,10 +673,10 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
         try:
             f = open(path, 'rb')
         except OSError:
-            self.send_error(404, "File not found")
+            self.send_error(HTTPStatus.NOT_FOUND, "File not found")
             return None
         try:
-            self.send_response(200)
+            self.send_response(HTTPStatus.OK)
             self.send_header("Content-type", ctype)
             fs = os.fstat(f.fileno())
             self.send_header("Content-Length", str(fs[6]))
@@ -750,7 +698,9 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
         try:
             list = os.listdir(path)
         except OSError:
-            self.send_error(404, "No permission to list directory")
+            self.send_error(
+                HTTPStatus.NOT_FOUND,
+                "No permission to list directory")
             return None
         list.sort(key=lambda a: a.lower())
         r = []
@@ -789,7 +739,7 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
         f = io.BytesIO()
         f.write(encoded)
         f.seek(0)
-        self.send_response(200)
+        self.send_response(HTTPStatus.OK)
         self.send_header("Content-type", "text/html; charset=%s" % enc)
         self.send_header("Content-Length", str(len(encoded)))
         self.end_headers()
@@ -971,7 +921,9 @@ class CGIHTTPRequestHandler(SimpleHTTPRequestHandler):
         if self.is_cgi():
             self.run_cgi()
         else:
-            self.send_error(501, "Can only POST to CGI scripts")
+            self.send_error(
+                HTTPStatus.NOT_IMPLEMENTED,
+                "Can only POST to CGI scripts")
 
     def send_head(self):
         """Version of send_head that support CGI scripts"""
@@ -1049,17 +1001,21 @@ class CGIHTTPRequestHandler(SimpleHTTPRequestHandler):
         scriptname = dir + '/' + script
         scriptfile = self.translate_path(scriptname)
         if not os.path.exists(scriptfile):
-            self.send_error(404, "No such CGI script (%r)" % scriptname)
+            self.send_error(
+                HTTPStatus.NOT_FOUND,
+                "No such CGI script (%r)" % scriptname)
             return
         if not os.path.isfile(scriptfile):
-            self.send_error(403, "CGI script is not a plain file (%r)" %
-                            scriptname)
+            self.send_error(
+                HTTPStatus.FORBIDDEN,
+                "CGI script is not a plain file (%r)" % scriptname)
             return
         ispy = self.is_python(scriptname)
         if self.have_fork or not ispy:
             if not self.is_executable(scriptfile):
-                self.send_error(403, "CGI script is not executable (%r)" %
-                                scriptname)
+                self.send_error(
+                    HTTPStatus.FORBIDDEN,
+                    "CGI script is not executable (%r)" % scriptname)
                 return
 
         # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html
@@ -1127,7 +1083,7 @@ class CGIHTTPRequestHandler(SimpleHTTPRequestHandler):
                   'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'):
             env.setdefault(k, "")
 
-        self.send_response(200, "Script output follows")
+        self.send_response(HTTPStatus.OK, "Script output follows")
         self.flush_headers()
 
         decoded_query = query.replace('+', ' ')
diff --git a/Lib/idlelib/ChangeLog b/Lib/idlelib/ChangeLog
index 985871b..90e02f6 100644
--- a/Lib/idlelib/ChangeLog
+++ b/Lib/idlelib/ChangeLog
@@ -20,7 +20,7 @@ IDLEfork ChangeLog
 2001-07-19 14:49  elguavas
 
 	* ChangeLog, EditorWindow.py, INSTALLATION, NEWS.txt, README.txt,
-	TODO.txt, idlever.py: 
+	TODO.txt, idlever.py:
 	minor tidy-ups ready for 0.8.1 alpha tarball release
 
 2001-07-17 15:12  kbk
@@ -172,7 +172,7 @@ IDLEfork ChangeLog
 	all this work w/ a future-stmt just looks harder and harder."
 	--tim_one
 	
-	(From Rel 1.8: "Hack to make this still work with Python 1.5.2. 
+	(From Rel 1.8: "Hack to make this still work with Python 1.5.2.
 	;-( " --fdrake)
 
 2001-07-14 14:51  kbk
@@ -193,7 +193,7 @@ IDLEfork ChangeLog
 	test() to _test()."  --GvR
 	
 	This was an interesting merge. The join completely missed removing
-	goodname(), which was adjacent, but outside of, a small conflict. 
+	goodname(), which was adjacent, but outside of, a small conflict.
 	I only caught it by comparing the 1.1.3.2/1.1.3.3 diff.  CVS ain't
 	infallible.
 
@@ -516,12 +516,12 @@ IDLEfork ChangeLog
 
 2000-08-15 22:51  nowonder
 
-	* IDLEFORK.html: 
+	* IDLEFORK.html:
 	corrected email address
 
 2000-08-15 22:47  nowonder
 
-	* IDLEFORK.html: 
+	* IDLEFORK.html:
 	added .html file for http://idlefork.sourceforge.net
 
 2000-08-15 11:13  dscherer
diff --git a/Lib/idlelib/HISTORY.txt b/Lib/idlelib/HISTORY.txt
index 01d73ed..731fabd 100644
--- a/Lib/idlelib/HISTORY.txt
+++ b/Lib/idlelib/HISTORY.txt
@@ -11,7 +11,7 @@ What's New in IDLEfork 0.8.1?
 *Release date: 22-Jul-2001*
 
 - New tarball released as a result of the 'revitalisation' of the IDLEfork
-  project. 
+  project.
 
 - This release requires python 2.1 or better. Compatibility with earlier
   versions of python (especially ancient ones like 1.5x) is no longer a
@@ -26,8 +26,8 @@ What's New in IDLEfork 0.8.1?
   not working, but I believe this was the case with the previous IDLE fork
   release (0.7.1) as well.
 
-- This release is being made now to mark the point at which IDLEfork is 
-  launching into a new stage of development. 
+- This release is being made now to mark the point at which IDLEfork is
+  launching into a new stage of development.
 
 - IDLEfork CVS will now be branched to enable further development and
   exploration of the two "execution in a remote process" patches submitted by
@@ -96,7 +96,7 @@ IDLEfork 0.7.1 - 29 May 2000
     instead of the IDLE help; shift-TAB is now a synonym for unindent.
 
 - New modules:
-  
+
   ExecBinding.py         Executes program through loader
   loader.py              Bootstraps user program
   protocol.py            RPC protocol
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index a3a8fbf..828142c 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -1,4 +1,4 @@
-What's New in Idle 3.4.3?
+What's New in IDLE 3.5.0?
 =========================
 
 - Issue #16893: Update Idle doc chapter to match current Idle and add new
@@ -21,10 +21,6 @@ What's New in Idle 3.4.3?
 - Issue #21986: Code objects are not normally pickled by the pickle module.
   To match this, they are no longer pickled when running under Idle.
 
-
-What's New in IDLE 3.4.2?
-=========================
-
 - Issue #17390: Adjust Editor window title; remove 'Python',
   move version to end.
 
@@ -59,13 +55,8 @@ What's New in IDLE 3.4.2?
 
 - Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster.
 
-- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
-  consolidating and improving human-validated tests of Idle. Change other files
-  as needed to work with htest.  Running the module as __main__ runs all tests.
-
-
-What's New in IDLE 3.4.1?
-=========================
+- Issue #21477: htest.py - Improve framework, complete set of tests.
+  Patches by Saimadhav Heblikar
 
 - Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
   consolidating and improving human-validated tests of Idle. Change other files
diff --git a/Lib/idlelib/README.txt b/Lib/idlelib/README.txt
index b2bb73b..7f4a66d 100644
--- a/Lib/idlelib/README.txt
+++ b/Lib/idlelib/README.txt
@@ -14,7 +14,7 @@ code objects from a top level viewpoint without dealing with code folding.
 There is a Python Shell window which features colorizing and command recall.
 
 IDLE executes Python code in a separate process, which is restarted for each
-Run (F5) initiated from an editor window.  The environment can also be 
+Run (F5) initiated from an editor window.  The environment can also be
 restarted from the Shell window without restarting IDLE.
 
 This enhancement has often been requested, and is now finally available.  The
diff --git a/Lib/idlelib/WidgetRedirector.py b/Lib/idlelib/WidgetRedirector.py
index b3d7bfa..67d7f61 100644
--- a/Lib/idlelib/WidgetRedirector.py
+++ b/Lib/idlelib/WidgetRedirector.py
@@ -47,8 +47,9 @@ class WidgetRedirector:
         tk.createcommand(w, self.dispatch)
 
     def __repr__(self):
-        return "WidgetRedirector(%s<%s>)" % (self.widget.__class__.__name__,
-                                             self.widget._w)
+        return "%s(%s<%s>)" % (self.__class__.__name__,
+                               self.widget.__class__.__name__,
+                               self.widget._w)
 
     def close(self):
         "Unregister operations and revert redirection created by .__init__."
@@ -142,7 +143,8 @@ class OriginalCommand:
         self.orig_and_operation = (redir.orig, operation)
 
     def __repr__(self):
-        return "OriginalCommand(%r, %r)" % (self.redir, self.operation)
+        return "%s(%r, %r)" % (self.__class__.__name__,
+                               self.redir, self.operation)
 
     def __call__(self, *args):
         return self.tk_call(self.orig_and_operation + args)
diff --git a/Lib/idlelib/idle_test/test_searchengine.py b/Lib/idlelib/idle_test/test_searchengine.py
index 129a5a3..2c10461 100644
--- a/Lib/idlelib/idle_test/test_searchengine.py
+++ b/Lib/idlelib/idle_test/test_searchengine.py
@@ -178,7 +178,7 @@ class SearchEngineTest(unittest.TestCase):
         engine.revar.set(1)
         Equal(engine.getprog(), None)
         self.assertEqual(Mbox.showerror.message,
-                          'Error: nothing to repeat\nPattern: +')
+                         'Error: nothing to repeat at position 0\nPattern: +')
 
     def test_report_error(self):
         showerror = Mbox.showerror
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 6975f5e..c41b499 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.4.3"
+IDLE_VERSION = "3.5.0a4"
diff --git a/Lib/imaplib.py b/Lib/imaplib.py
index 4d9df55..a218ab0 100644
--- a/Lib/imaplib.py
+++ b/Lib/imaplib.py
@@ -239,6 +239,14 @@ class IMAP4:
             return getattr(self, attr.lower())
         raise AttributeError("Unknown IMAP4 command: '%s'" % attr)
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        try:
+            self.logout()
+        except OSError:
+            pass
 
 
     #       Overridable methods
diff --git a/Lib/imghdr.py b/Lib/imghdr.py
index add2ea8..b267925 100644
--- a/Lib/imghdr.py
+++ b/Lib/imghdr.py
@@ -110,6 +110,18 @@ def test_bmp(h, f):
 
 tests.append(test_bmp)
 
+def test_webp(h, f):
+    if h.startswith(b'RIFF') and h[8:12] == b'WEBP':
+        return 'webp'
+
+tests.append(test_webp)
+
+def test_exr(h, f):
+    if h.startswith(b'\x76\x2f\x31\x01'):
+        return 'exr'
+
+tests.append(test_exr)
+
 #--------------------#
 # Small test program #
 #--------------------#
diff --git a/Lib/imp.py b/Lib/imp.py
index c922e92..f1810f5 100644
--- a/Lib/imp.py
+++ b/Lib/imp.py
@@ -16,7 +16,7 @@ except ImportError:
     # Platform doesn't support dynamic loading.
     load_dynamic = None
 
-from importlib._bootstrap import SourcelessFileLoader, _ERR_MSG, _SpecMethods
+from importlib._bootstrap import SourcelessFileLoader, _ERR_MSG, _exec, _load
 
 from importlib import machinery
 from importlib import util
@@ -29,7 +29,7 @@ import warnings
 
 warnings.warn("the imp module is deprecated in favour of importlib; "
               "see the module's documentation for alternative uses",
-              PendingDeprecationWarning)
+              PendingDeprecationWarning, stacklevel=2)
 
 # DEPRECATED
 SEARCH_ERROR = 0
@@ -58,24 +58,23 @@ def new_module(name):
 def get_magic():
     """**DEPRECATED**
 
-    Return the magic number for .pyc or .pyo files.
+    Return the magic number for .pyc files.
     """
     return util.MAGIC_NUMBER
 
 
 def get_tag():
-    """Return the magic tag for .pyc or .pyo files."""
+    """Return the magic tag for .pyc files."""
     return sys.implementation.cache_tag
 
 
 def cache_from_source(path, debug_override=None):
     """**DEPRECATED**
 
-    Given the path to a .py file, return the path to its .pyc/.pyo file.
+    Given the path to a .py file, return the path to its .pyc file.
 
     The .py file does not need to exist; this simply returns the path to the
-    .pyc/.pyo file calculated as if the .py file were imported.  The extension
-    will be .pyc unless sys.flags.optimize is non-zero, then it will be .pyo.
+    .pyc file calculated as if the .py file were imported.
 
     If debug_override is not None, then it must be a boolean and is used in
     place of sys.flags.optimize.
@@ -83,16 +82,18 @@ def cache_from_source(path, debug_override=None):
     If sys.implementation.cache_tag is None then NotImplementedError is raised.
 
     """
-    return util.cache_from_source(path, debug_override)
+    with warnings.catch_warnings():
+        warnings.simplefilter('ignore')
+        return util.cache_from_source(path, debug_override)
 
 
 def source_from_cache(path):
     """**DEPRECATED**
 
-    Given the path to a .pyc./.pyo file, return the path to its .py file.
+    Given the path to a .pyc. file, return the path to its .py file.
 
-    The .pyc/.pyo file does not need to exist; this simply returns the path to
-    the .py file calculated to correspond to the .pyc/.pyo file.  If path does
+    The .pyc file does not need to exist; this simply returns the path to
+    the .py file calculated to correspond to the .pyc file.  If path does
     not conform to PEP 3147 format, ValueError will be raised. If
     sys.implementation.cache_tag is None then NotImplementedError is raised.
 
@@ -164,11 +165,10 @@ class _LoadSourceCompatibility(_HackedGetData, machinery.SourceFileLoader):
 def load_source(name, pathname, file=None):
     loader = _LoadSourceCompatibility(name, pathname, file)
     spec = util.spec_from_file_location(name, pathname, loader=loader)
-    methods = _SpecMethods(spec)
     if name in sys.modules:
-        module = methods.exec(sys.modules[name])
+        module = _exec(spec, sys.modules[name])
     else:
-        module = methods.load()
+        module = _load(spec)
     # To allow reloading to potentially work, use a non-hacked loader which
     # won't rely on a now-closed file object.
     module.__loader__ = machinery.SourceFileLoader(name, pathname)
@@ -185,11 +185,10 @@ def load_compiled(name, pathname, file=None):
     """**DEPRECATED**"""
     loader = _LoadCompiledCompatibility(name, pathname, file)
     spec = util.spec_from_file_location(name, pathname, loader=loader)
-    methods = _SpecMethods(spec)
     if name in sys.modules:
-        module = methods.exec(sys.modules[name])
+        module = _exec(spec, sys.modules[name])
     else:
-        module = methods.load()
+        module = _load(spec)
     # To allow reloading to potentially work, use a non-hacked loader which
     # won't rely on a now-closed file object.
     module.__loader__ = SourcelessFileLoader(name, pathname)
@@ -210,11 +209,10 @@ def load_package(name, path):
             raise ValueError('{!r} is not a package'.format(path))
     spec = util.spec_from_file_location(name, path,
                                         submodule_search_locations=[])
-    methods = _SpecMethods(spec)
     if name in sys.modules:
-        return methods.exec(sys.modules[name])
+        return _exec(spec, sys.modules[name])
     else:
-        return methods.load()
+        return _load(spec)
 
 
 def load_module(name, file, filename, details):
diff --git a/Lib/importlib/__init__.py b/Lib/importlib/__init__.py
index 1bc9947..e99f50e 100644
--- a/Lib/importlib/__init__.py
+++ b/Lib/importlib/__init__.py
@@ -73,7 +73,7 @@ def find_loader(name, path=None):
     except KeyError:
         pass
     except AttributeError:
-        raise ValueError('{}.__loader__ is not set'.format(name))
+        raise ValueError('{}.__loader__ is not set'.format(name)) from None
 
     spec = _bootstrap._find_spec(name, path)
     # We won't worry about malformed specs (missing attributes).
@@ -138,15 +138,15 @@ def reload(module):
                 parent = sys.modules[parent_name]
             except KeyError:
                 msg = "parent {!r} not in sys.modules"
-                raise ImportError(msg.format(parent_name), name=parent_name)
+                raise ImportError(msg.format(parent_name),
+                                  name=parent_name) from None
             else:
                 pkgpath = parent.__path__
         else:
             pkgpath = None
         target = module
         spec = module.__spec__ = _bootstrap._find_spec(name, pkgpath, target)
-        methods = _bootstrap._SpecMethods(spec)
-        methods.exec(module)
+        _bootstrap._exec(spec, module)
         # The module may have replaced itself in sys.modules!
         return sys.modules[name]
     finally:
diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index 5b91c05..c6019ad 100644
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -9,7 +9,7 @@ work. One should use importlib as the public-facing version of this module.
 #
 # IMPORTANT: Whenever making changes to this module, be sure to run
 # a top-level make in order to get the frozen version of the module
-# update. Not doing so will result in the Makefile to fail for
+# updated. Not doing so will result in the Makefile to fail for
 # all others who don't have a ./python around to freeze the module
 # in the early stages of compilation.
 #
@@ -419,54 +419,74 @@ def _call_with_frames_removed(f, *args, **kwds):
 #     Python 3.4a4  3290 (changes to __qualname__ computation)
 #     Python 3.4a4  3300 (more changes to __qualname__ computation)
 #     Python 3.4rc2 3310 (alter __qualname__ computation)
+#     Python 3.5a0  3320 (matrix multiplication operator)
 #
 # MAGIC must change whenever the bytecode emitted by the compiler may no
 # longer be understood by older implementations of the eval loop (usually
 # due to the addition of new opcodes).
 
-MAGIC_NUMBER = (3310).to_bytes(2, 'little') + b'\r\n'
+MAGIC_NUMBER = (3320).to_bytes(2, 'little') + b'\r\n'
 _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little')  # For import.c
 
 _PYCACHE = '__pycache__'
+_OPT = 'opt-'
 
 SOURCE_SUFFIXES = ['.py']  # _setup() adds .pyw as needed.
 
-DEBUG_BYTECODE_SUFFIXES = ['.pyc']
-OPTIMIZED_BYTECODE_SUFFIXES = ['.pyo']
+BYTECODE_SUFFIXES = ['.pyc']
+# Deprecated.
+DEBUG_BYTECODE_SUFFIXES = OPTIMIZED_BYTECODE_SUFFIXES = BYTECODE_SUFFIXES
 
-def cache_from_source(path, debug_override=None):
-    """Given the path to a .py file, return the path to its .pyc/.pyo file.
+def cache_from_source(path, debug_override=None, *, optimization=None):
+    """Given the path to a .py file, return the path to its .pyc file.
 
     The .py file does not need to exist; this simply returns the path to the
-    .pyc/.pyo file calculated as if the .py file were imported.  The extension
-    will be .pyc unless sys.flags.optimize is non-zero, then it will be .pyo.
+    .pyc file calculated as if the .py file were imported.
 
-    If debug_override is not None, then it must be a boolean and is used in
-    place of sys.flags.optimize.
+    The 'optimization' parameter controls the presumed optimization level of
+    the bytecode file. If 'optimization' is not None, the string representation
+    of the argument is taken and verified to be alphanumeric (else ValueError
+    is raised).
+
+    The debug_override parameter is deprecated. If debug_override is not None,
+    a True value is the same as setting 'optimization' to the empty string
+    while a False value is equivalent to setting 'optimization' to '1'.
 
     If sys.implementation.cache_tag is None then NotImplementedError is raised.
 
     """
-    debug = not sys.flags.optimize if debug_override is None else debug_override
-    if debug:
-        suffixes = DEBUG_BYTECODE_SUFFIXES
-    else:
-        suffixes = OPTIMIZED_BYTECODE_SUFFIXES
+    if debug_override is not None:
+        _warnings.warn('the debug_override parameter is deprecated; use '
+                       "'optimization' instead", DeprecationWarning)
+        if optimization is not None:
+            message = 'debug_override or optimization must be set to None'
+            raise TypeError(message)
+        optimization = '' if debug_override else 1
     head, tail = _path_split(path)
     base, sep, rest = tail.rpartition('.')
     tag = sys.implementation.cache_tag
     if tag is None:
         raise NotImplementedError('sys.implementation.cache_tag is None')
-    filename = ''.join([(base if base else rest), sep, tag, suffixes[0]])
-    return _path_join(head, _PYCACHE, filename)
+    almost_filename = ''.join([(base if base else rest), sep, tag])
+    if optimization is None:
+        if sys.flags.optimize == 0:
+            optimization = ''
+        else:
+            optimization = sys.flags.optimize
+    optimization = str(optimization)
+    if optimization != '':
+        if not optimization.isalnum():
+            raise ValueError('{!r} is not alphanumeric'.format(optimization))
+        almost_filename = '{}.{}{}'.format(almost_filename, _OPT, optimization)
+    return _path_join(head, _PYCACHE, almost_filename + BYTECODE_SUFFIXES[0])
 
 
 def source_from_cache(path):
-    """Given the path to a .pyc./.pyo file, return the path to its .py file.
+    """Given the path to a .pyc. file, return the path to its .py file.
 
-    The .pyc/.pyo file does not need to exist; this simply returns the path to
-    the .py file calculated to correspond to the .pyc/.pyo file.  If path does
-    not conform to PEP 3147 format, ValueError will be raised. If
+    The .pyc file does not need to exist; this simply returns the path to
+    the .py file calculated to correspond to the .pyc file.  If path does
+    not conform to PEP 3147/488 format, ValueError will be raised. If
     sys.implementation.cache_tag is None then NotImplementedError is raised.
 
     """
@@ -477,9 +497,19 @@ def source_from_cache(path):
     if pycache != _PYCACHE:
         raise ValueError('{} not bottom-level directory in '
                          '{!r}'.format(_PYCACHE, path))
-    if pycache_filename.count('.') != 2:
-        raise ValueError('expected only 2 dots in '
+    dot_count = pycache_filename.count('.')
+    if dot_count not in {2, 3}:
+        raise ValueError('expected only 2 or 3 dots in '
                          '{!r}'.format(pycache_filename))
+    elif dot_count == 3:
+        optimization = pycache_filename.rsplit('.', 2)[-2]
+        if not optimization.startswith(_OPT):
+            raise ValueError("optimization portion of filename does not start "
+                             "with {!r}".format(_OPT))
+        opt_level = optimization[len(_OPT):]
+        if not opt_level.isalnum():
+            raise ValueError("optimization level {!r} is not an alphanumeric "
+                             "value".format(optimization))
     base_filename = pycache_filename.partition('.')[0]
     return _path_join(head, base_filename + SOURCE_SUFFIXES[0])
 
@@ -580,6 +610,7 @@ def _find_module_shim(self, fullname):
     return loader
 
 
+# Typically used by loader classes as a method replacement.
 def _load_module_shim(self, fullname):
     """Load the specified module into sys.modules and return it.
 
@@ -587,13 +618,12 @@ def _load_module_shim(self, fullname):
 
     """
     spec = spec_from_loader(fullname, self)
-    methods = _SpecMethods(spec)
     if fullname in sys.modules:
         module = sys.modules[fullname]
-        methods.exec(module)
+        _exec(spec, module)
         return sys.modules[fullname]
     else:
-        return methods.load()
+        return _load(spec)
 
 
 def _validate_bytecode_header(data, source_stats=None, name=None, path=None):
@@ -704,7 +734,7 @@ def _module_repr(module):
         pass
     else:
         if spec is not None:
-            return _SpecMethods(spec).module_repr()
+            return _module_repr_from_spec(spec)
 
     # We could use module.__class__.__name__ instead of 'module' in the
     # various repr permutations.
@@ -990,234 +1020,186 @@ def _spec_from_module(module, loader=None, origin=None):
     return spec
 
 
-class _SpecMethods:
-
-    """Convenience wrapper around spec objects to provide spec-specific
-    methods."""
-
-    # The various spec_from_* functions could be made factory methods here.
-
-    def __init__(self, spec):
-        self.spec = spec
-
-    def module_repr(self):
-        """Return the repr to use for the module."""
-        # We mostly replicate _module_repr() using the spec attributes.
-        spec = self.spec
-        name = '?' if spec.name is None else spec.name
-        if spec.origin is None:
-            if spec.loader is None:
-                return '<module {!r}>'.format(name)
-            else:
-                return '<module {!r} ({!r})>'.format(name, spec.loader)
-        else:
-            if spec.has_location:
-                return '<module {!r} from {!r}>'.format(name, spec.origin)
-            else:
-                return '<module {!r} ({})>'.format(spec.name, spec.origin)
-
-    def init_module_attrs(self, module, *, _override=False, _force_name=True):
-        """Set the module's attributes.
-
-        All missing import-related module attributes will be set.  Here
-        is how the spec attributes map onto the module:
-
-        spec.name -> module.__name__
-        spec.loader -> module.__loader__
-        spec.parent -> module.__package__
-        spec -> module.__spec__
-
-        Optional:
-        spec.origin -> module.__file__ (if spec.set_fileattr is true)
-        spec.cached -> module.__cached__ (if __file__ also set)
-        spec.submodule_search_locations -> module.__path__ (if set)
-
-        """
-        spec = self.spec
-
-        # The passed in module may be not support attribute assignment,
-        # in which case we simply don't set the attributes.
-
-        # __name__
-        if (_override or _force_name or
-            getattr(module, '__name__', None) is None):
-            try:
-                module.__name__ = spec.name
-            except AttributeError:
-                pass
-
-        # __loader__
-        if _override or getattr(module, '__loader__', None) is None:
-            loader = spec.loader
-            if loader is None:
-                # A backward compatibility hack.
-                if spec.submodule_search_locations is not None:
-                    loader = _NamespaceLoader.__new__(_NamespaceLoader)
-                    loader._path = spec.submodule_search_locations
+def _init_module_attrs(spec, module, *, override=False):
+    # The passed-in module may be not support attribute assignment,
+    # in which case we simply don't set the attributes.
+    # __name__
+    if (override or getattr(module, '__name__', None) is None):
+        try:
+            module.__name__ = spec.name
+        except AttributeError:
+            pass
+    # __loader__
+    if override or getattr(module, '__loader__', None) is None:
+        loader = spec.loader
+        if loader is None:
+            # A backward compatibility hack.
+            if spec.submodule_search_locations is not None:
+                loader = _NamespaceLoader.__new__(_NamespaceLoader)
+                loader._path = spec.submodule_search_locations
+        try:
+            module.__loader__ = loader
+        except AttributeError:
+            pass
+    # __package__
+    if override or getattr(module, '__package__', None) is None:
+        try:
+            module.__package__ = spec.parent
+        except AttributeError:
+            pass
+    # __spec__
+    try:
+        module.__spec__ = spec
+    except AttributeError:
+        pass
+    # __path__
+    if override or getattr(module, '__path__', None) is None:
+        if spec.submodule_search_locations is not None:
             try:
-                module.__loader__ = loader
+                module.__path__ = spec.submodule_search_locations
             except AttributeError:
                 pass
-
-        # __package__
-        if _override or getattr(module, '__package__', None) is None:
+    # __file__/__cached__
+    if spec.has_location:
+        if override or getattr(module, '__file__', None) is None:
             try:
-                module.__package__ = spec.parent
+                module.__file__ = spec.origin
             except AttributeError:
                 pass
 
-        # __spec__
-        try:
-            module.__spec__ = spec
-        except AttributeError:
-            pass
-
-        # __path__
-        if _override or getattr(module, '__path__', None) is None:
-            if spec.submodule_search_locations is not None:
+        if override or getattr(module, '__cached__', None) is None:
+            if spec.cached is not None:
                 try:
-                    module.__path__ = spec.submodule_search_locations
-                except AttributeError:
-                    pass
-
-        if spec.has_location:
-            # __file__
-            if _override or getattr(module, '__file__', None) is None:
-                try:
-                    module.__file__ = spec.origin
+                    module.__cached__ = spec.cached
                 except AttributeError:
                     pass
+    return module
 
-            # __cached__
-            if _override or getattr(module, '__cached__', None) is None:
-                if spec.cached is not None:
-                    try:
-                        module.__cached__ = spec.cached
-                    except AttributeError:
-                        pass
 
-    def create(self):
-        """Return a new module to be loaded.
+def module_from_spec(spec):
+    """Create a module based on the provided spec."""
+    # Typically loaders will not implement create_module().
+    module = None
+    if hasattr(spec.loader, 'create_module'):
+        # If create_module() returns `None` then it means default
+        # module creation should be used.
+        module = spec.loader.create_module(spec)
+    elif hasattr(spec.loader, 'exec_module'):
+        _warnings.warn('starting in Python 3.6, loaders defining exec_module() '
+                       'must also define create_module()',
+                       DeprecationWarning, stacklevel=2)
+    if module is None:
+        module = _new_module(spec.name)
+    _init_module_attrs(spec, module)
+    return module
 
-        The import-related module attributes are also set with the
-        appropriate values from the spec.
 
-        """
-        spec = self.spec
-        # Typically loaders will not implement create_module().
-        if hasattr(spec.loader, 'create_module'):
-            # If create_module() returns `None` it means the default
-            # module creation should be used.
-            module = spec.loader.create_module(spec)
+def _module_repr_from_spec(spec):
+    """Return the repr to use for the module."""
+    # We mostly replicate _module_repr() using the spec attributes.
+    name = '?' if spec.name is None else spec.name
+    if spec.origin is None:
+        if spec.loader is None:
+            return '<module {!r}>'.format(name)
         else:
-            module = None
-        if module is None:
-            # This must be done before open() is ever called as the 'io'
-            # module implicitly imports 'locale' and would otherwise
-            # trigger an infinite loop.
-            module = _new_module(spec.name)
-        self.init_module_attrs(module)
-        return module
-
-    def _exec(self, module):
-        """Do everything necessary to execute the module.
-
-        The namespace of `module` is used as the target of execution.
-        This method uses the loader's `exec_module()` method.
+            return '<module {!r} ({!r})>'.format(name, spec.loader)
+    else:
+        if spec.has_location:
+            return '<module {!r} from {!r}>'.format(name, spec.origin)
+        else:
+            return '<module {!r} ({})>'.format(spec.name, spec.origin)
 
-        """
-        self.spec.loader.exec_module(module)
 
-    # Used by importlib.reload() and _load_module_shim().
-    def exec(self, module):
-        """Execute the spec in an existing module's namespace."""
-        name = self.spec.name
-        _imp.acquire_lock()
-        with _ModuleLockManager(name):
-            if sys.modules.get(name) is not module:
-                msg = 'module {!r} not in sys.modules'.format(name)
-                raise ImportError(msg, name=name)
-            if self.spec.loader is None:
-                if self.spec.submodule_search_locations is None:
-                    raise ImportError('missing loader', name=self.spec.name)
-                # namespace package
-                self.init_module_attrs(module, _override=True)
-                return module
-            self.init_module_attrs(module, _override=True)
-            if not hasattr(self.spec.loader, 'exec_module'):
-                # (issue19713) Once BuiltinImporter and ExtensionFileLoader
-                # have exec_module() implemented, we can add a deprecation
-                # warning here.
-                self.spec.loader.load_module(name)
-            else:
-                self._exec(module)
-        return sys.modules[name]
-
-    def _load_backward_compatible(self):
-        # (issue19713) Once BuiltinImporter and ExtensionFileLoader
-        # have exec_module() implemented, we can add a deprecation
-        # warning here.
-        spec = self.spec
-        spec.loader.load_module(spec.name)
-        # The module must be in sys.modules at this point!
-        module = sys.modules[spec.name]
-        if getattr(module, '__loader__', None) is None:
-            try:
-                module.__loader__ = spec.loader
-            except AttributeError:
-                pass
-        if getattr(module, '__package__', None) is None:
-            try:
-                # Since module.__path__ may not line up with
-                # spec.submodule_search_paths, we can't necessarily rely
-                # on spec.parent here.
-                module.__package__ = module.__name__
-                if not hasattr(module, '__path__'):
-                    module.__package__ = spec.name.rpartition('.')[0]
-            except AttributeError:
-                pass
-        if getattr(module, '__spec__', None) is None:
-            try:
-                module.__spec__ = spec
-            except AttributeError:
-                pass
-        return module
+# Used by importlib.reload() and _load_module_shim().
+def _exec(spec, module):
+    """Execute the spec in an existing module's namespace."""
+    name = spec.name
+    _imp.acquire_lock()
+    with _ModuleLockManager(name):
+        if sys.modules.get(name) is not module:
+            msg = 'module {!r} not in sys.modules'.format(name)
+            raise ImportError(msg, name=name)
+        if spec.loader is None:
+            if spec.submodule_search_locations is None:
+                raise ImportError('missing loader', name=spec.name)
+            # namespace package
+            _init_module_attrs(spec, module, override=True)
+            return module
+        _init_module_attrs(spec, module, override=True)
+        if not hasattr(spec.loader, 'exec_module'):
+            # (issue19713) Once BuiltinImporter and ExtensionFileLoader
+            # have exec_module() implemented, we can add a deprecation
+            # warning here.
+            spec.loader.load_module(name)
+        else:
+            spec.loader.exec_module(module)
+    return sys.modules[name]
+
+
+def _load_backward_compatible(spec):
+    # (issue19713) Once BuiltinImporter and ExtensionFileLoader
+    # have exec_module() implemented, we can add a deprecation
+    # warning here.
+    spec.loader.load_module(spec.name)
+    # The module must be in sys.modules at this point!
+    module = sys.modules[spec.name]
+    if getattr(module, '__loader__', None) is None:
+        try:
+            module.__loader__ = spec.loader
+        except AttributeError:
+            pass
+    if getattr(module, '__package__', None) is None:
+        try:
+            # Since module.__path__ may not line up with
+            # spec.submodule_search_paths, we can't necessarily rely
+            # on spec.parent here.
+            module.__package__ = module.__name__
+            if not hasattr(module, '__path__'):
+                module.__package__ = spec.name.rpartition('.')[0]
+        except AttributeError:
+            pass
+    if getattr(module, '__spec__', None) is None:
+        try:
+            module.__spec__ = spec
+        except AttributeError:
+            pass
+    return module
 
-    def _load_unlocked(self):
-        # A helper for direct use by the import system.
-        if self.spec.loader is not None:
-            # not a namespace package
-            if not hasattr(self.spec.loader, 'exec_module'):
-                return self._load_backward_compatible()
-
-        module = self.create()
-        with _installed_safely(module):
-            if self.spec.loader is None:
-                if self.spec.submodule_search_locations is None:
-                    raise ImportError('missing loader', name=self.spec.name)
-                # A namespace package so do nothing.
-            else:
-                self._exec(module)
+def _load_unlocked(spec):
+    # A helper for direct use by the import system.
+    if spec.loader is not None:
+        # not a namespace package
+        if not hasattr(spec.loader, 'exec_module'):
+            return _load_backward_compatible(spec)
+
+    module = module_from_spec(spec)
+    with _installed_safely(module):
+        if spec.loader is None:
+            if spec.submodule_search_locations is None:
+                raise ImportError('missing loader', name=spec.name)
+            # A namespace package so do nothing.
+        else:
+            spec.loader.exec_module(module)
 
-        # We don't ensure that the import-related module attributes get
-        # set in the sys.modules replacement case.  Such modules are on
-        # their own.
-        return sys.modules[self.spec.name]
+    # We don't ensure that the import-related module attributes get
+    # set in the sys.modules replacement case.  Such modules are on
+    # their own.
+    return sys.modules[spec.name]
 
-    # A method used during testing of _load_unlocked() and by
-    # _load_module_shim().
-    def load(self):
-        """Return a new module object, loaded by the spec's loader.
+# A method used during testing of _load_unlocked() and by
+# _load_module_shim().
+def _load(spec):
+    """Return a new module object, loaded by the spec's loader.
 
-        The module is not added to its parent.
+    The module is not added to its parent.
 
-        If a module is already in sys.modules, that existing module gets
-        clobbered.
+    If a module is already in sys.modules, that existing module gets
+    clobbered.
 
-        """
-        _imp.acquire_lock()
-        with _ModuleLockManager(self.spec.name):
-            return self._load_unlocked()
+    """
+    _imp.acquire_lock()
+    with _ModuleLockManager(spec.name):
+        return _load_unlocked(spec)
 
 
 def _fix_up_module(ns, name, pathname, cpathname=None):
@@ -1349,6 +1331,10 @@ class FrozenImporter:
         """
         return cls if _imp.is_frozen(fullname) else None
 
+    @classmethod
+    def create_module(cls, spec):
+        """Use default semantics for module creation."""
+
     @staticmethod
     def exec_module(module):
         name = module.__spec__.name
@@ -1462,6 +1448,9 @@ class _LoaderBasics:
         tail_name = fullname.rpartition('.')[2]
         return filename_base == '__init__' and tail_name != '__init__'
 
+    def create_module(self, spec):
+        """Use default semantics for module creation."""
+
     def exec_module(self, module):
         """Execute the module."""
         code = self.get_code(module.__name__)
@@ -1799,7 +1788,7 @@ class _NamespacePath:
         self._path.append(item)
 
 
-# We use this exclusively in init_module_attrs() for backward-compatibility.
+# We use this exclusively in module_from_spec() for backward-compatibility.
 class _NamespaceLoader:
     def __init__(self, name, path, path_finder):
         self._path = _NamespacePath(name, path, path_finder)
@@ -1822,6 +1811,9 @@ class _NamespaceLoader:
     def get_code(self, fullname):
         return compile('', '<string>', 'exec', dont_inherit=True)
 
+    def create_module(self, spec):
+        """Use default semantics for module creation."""
+
     def exec_module(self, module):
         pass
 
@@ -1857,7 +1849,7 @@ class PathFinder:
         If 'hooks' is false then use sys.path_hooks.
 
         """
-        if not sys.path_hooks:
+        if sys.path_hooks is not None and not sys.path_hooks:
             _warnings.warn('sys.path_hooks is empty', ImportWarning)
         for hook in sys.path_hooks:
             try:
@@ -1876,7 +1868,12 @@ class PathFinder:
 
         """
         if path == '':
-            path = _os.getcwd()
+            try:
+                path = _os.getcwd()
+            except FileNotFoundError:
+                # Don't cache the failure as the cwd can easily change to
+                # a valid directory later on.
+                return None
         try:
             finder = sys.path_importer_cache[path]
         except KeyError:
@@ -2146,7 +2143,7 @@ def _find_spec_legacy(finder, name, path):
 
 def _find_spec(name, path, target=None):
     """Find a module's loader."""
-    if not sys.meta_path:
+    if sys.meta_path is not None and not sys.meta_path:
         _warnings.warn('sys.meta_path is empty', ImportWarning)
     # We check sys.modules here for the reload case.  While a passed-in
     # target will usually indicate a reload there is no guarantee, whereas
@@ -2218,12 +2215,12 @@ def _find_and_load_unlocked(name, import_):
             path = parent_module.__path__
         except AttributeError:
             msg = (_ERR_MSG + '; {!r} is not a package').format(name, parent)
-            raise ImportError(msg, name=name)
+            raise ImportError(msg, name=name) from None
     spec = _find_spec(name, path)
     if spec is None:
         raise ImportError(_ERR_MSG.format(name), name=name)
     else:
-        module = _SpecMethods(spec)._load_unlocked()
+        module = _load_unlocked(spec)
     if parent:
         # Set the module as an attribute on its parent.
         parent_module = sys.modules[parent]
@@ -2358,8 +2355,7 @@ def _builtin_from_name(name):
     spec = BuiltinImporter.find_spec(name)
     if spec is None:
         raise ImportError('no built-in module named ' + name)
-    methods = _SpecMethods(spec)
-    return methods._load_unlocked()
+    return _load_unlocked(spec)
 
 
 def _setup(sys_module, _imp_module):
@@ -2370,15 +2366,10 @@ def _setup(sys_module, _imp_module):
     modules, those two modules must be explicitly passed in.
 
     """
-    global _imp, sys, BYTECODE_SUFFIXES
+    global _imp, sys
     _imp = _imp_module
     sys = sys_module
 
-    if sys.flags.optimize:
-        BYTECODE_SUFFIXES = OPTIMIZED_BYTECODE_SUFFIXES
-    else:
-        BYTECODE_SUFFIXES = DEBUG_BYTECODE_SUFFIXES
-
     # Set up the spec for existing builtin/frozen modules.
     module_type = type(sys)
     for name, module in sys.modules.items():
@@ -2390,8 +2381,7 @@ def _setup(sys_module, _imp_module):
             else:
                 continue
             spec = _spec_from_module(module, loader)
-            methods = _SpecMethods(spec)
-            methods.init_module_attrs(module)
+            _init_module_attrs(spec, module)
 
     # Directly load built-in modules needed during bootstrap.
     self_module = sys.modules[__name__]
diff --git a/Lib/importlib/abc.py b/Lib/importlib/abc.py
index 558abd3..2878488 100644
--- a/Lib/importlib/abc.py
+++ b/Lib/importlib/abc.py
@@ -122,11 +122,8 @@ class Loader(metaclass=abc.ABCMeta):
         This method should raise ImportError if anything prevents it
         from creating a new module.  It may return None to indicate
         that the spec should create the new module.
-
-        create_module() is optional.
-
         """
-        # By default, defer to _SpecMethods.create() for the new module.
+        # By default, defer to default semantics for the new module.
         return None
 
     # We don't define exec_module() here since that would break
@@ -217,7 +214,8 @@ class InspectLoader(Loader):
         """
         raise ImportError
 
-    def source_to_code(self, data, path='<string>'):
+    @staticmethod
+    def source_to_code(data, path='<string>'):
         """Compile 'data' into a code object.
 
         The 'data' argument can be anything that compile() can handle. The'path'
diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py
index 6d73b1d..c42ef14 100644
--- a/Lib/importlib/util.py
+++ b/Lib/importlib/util.py
@@ -1,8 +1,9 @@
 """Utility code for constructing importers, etc."""
-
+from . import abc
 from ._bootstrap import MAGIC_NUMBER
 from ._bootstrap import cache_from_source
 from ._bootstrap import decode_source
+from ._bootstrap import module_from_spec
 from ._bootstrap import source_from_cache
 from ._bootstrap import spec_from_loader
 from ._bootstrap import spec_from_file_location
@@ -12,6 +13,7 @@ from ._bootstrap import _find_spec
 from contextlib import contextmanager
 import functools
 import sys
+import types
 import warnings
 
 
@@ -54,7 +56,7 @@ def _find_spec_from_path(name, path=None):
         try:
             spec = module.__spec__
         except AttributeError:
-            raise ValueError('{}.__spec__ is not set'.format(name))
+            raise ValueError('{}.__spec__ is not set'.format(name)) from None
         else:
             if spec is None:
                 raise ValueError('{}.__spec__ is None'.format(name))
@@ -94,7 +96,7 @@ def find_spec(name, package=None):
         try:
             spec = module.__spec__
         except AttributeError:
-            raise ValueError('{}.__spec__ is not set'.format(name))
+            raise ValueError('{}.__spec__ is not set'.format(name)) from None
         else:
             if spec is None:
                 raise ValueError('{}.__spec__ is None'.format(name))
@@ -200,3 +202,94 @@ def module_for_loader(fxn):
             return fxn(self, module, *args, **kwargs)
 
     return module_for_loader_wrapper
+
+
+class _Module(types.ModuleType):
+
+    """A subclass of the module type to allow __class__ manipulation."""
+
+
+class _LazyModule(types.ModuleType):
+
+    """A subclass of the module type which triggers loading upon attribute access."""
+
+    def __getattribute__(self, attr):
+        """Trigger the load of the module and return the attribute."""
+        # All module metadata must be garnered from __spec__ in order to avoid
+        # using mutated values.
+        # Stop triggering this method.
+        self.__class__ = _Module
+        # Get the original name to make sure no object substitution occurred
+        # in sys.modules.
+        original_name = self.__spec__.name
+        # Figure out exactly what attributes were mutated between the creation
+        # of the module and now.
+        attrs_then = self.__spec__.loader_state
+        attrs_now = self.__dict__
+        attrs_updated = {}
+        for key, value in attrs_now.items():
+            # Code that set the attribute may have kept a reference to the
+            # assigned object, making identity more important than equality.
+            if key not in attrs_then:
+                attrs_updated[key] = value
+            elif id(attrs_now[key]) != id(attrs_then[key]):
+                attrs_updated[key] = value
+        self.__spec__.loader.exec_module(self)
+        # If exec_module() was used directly there is no guarantee the module
+        # object was put into sys.modules.
+        if original_name in sys.modules:
+            if id(self) != id(sys.modules[original_name]):
+                msg = ('module object for {!r} substituted in sys.modules '
+                       'during a lazy load')
+            raise ValueError(msg.format(original_name))
+        # Update after loading since that's what would happen in an eager
+        # loading situation.
+        self.__dict__.update(attrs_updated)
+        return getattr(self, attr)
+
+    def __delattr__(self, attr):
+        """Trigger the load and then perform the deletion."""
+        # To trigger the load and raise an exception if the attribute
+        # doesn't exist.
+        self.__getattribute__(attr)
+        delattr(self, attr)
+
+
+class LazyLoader(abc.Loader):
+
+    """A loader that creates a module which defers loading until attribute access."""
+
+    @staticmethod
+    def __check_eager_loader(loader):
+        if not hasattr(loader, 'exec_module'):
+            raise TypeError('loader must define exec_module()')
+        elif hasattr(loader.__class__, 'create_module'):
+            if abc.Loader.create_module != loader.__class__.create_module:
+                # Only care if create_module() is overridden in a subclass of
+                # importlib.abc.Loader.
+                raise TypeError('loader cannot define create_module()')
+
+    @classmethod
+    def factory(cls, loader):
+        """Construct a callable which returns the eager loader made lazy."""
+        cls.__check_eager_loader(loader)
+        return lambda *args, **kwargs: cls(loader(*args, **kwargs))
+
+    def __init__(self, loader):
+        self.__check_eager_loader(loader)
+        self.loader = loader
+
+    def create_module(self, spec):
+        """Create a module which can have its __class__ manipulated."""
+        return _Module(spec.name)
+
+    def exec_module(self, module):
+        """Make the module load lazily."""
+        module.__spec__.loader = self.loader
+        module.__loader__ = self.loader
+        # Don't need to worry about deep-copying as trying to set an attribute
+        # on an object would have triggered the load,
+        # e.g. ``module.__spec__.loader = None`` would trigger a load from
+        # trying to access module.__spec__.
+        module.__spec__.loader_state = module.__dict__.copy()
+        module.__class__ = _LazyModule
diff --git a/Lib/inspect.py b/Lib/inspect.py
index 1641824..60890f2 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -17,7 +17,7 @@ Here are some of the useful functions provided by this module:
     getclasstree() - arrange classes so as to represent their hierarchy
 
     getargspec(), getargvalues(), getcallargs() - get info about function arguments
-    getfullargspec() - same, with support for Python-3000 features
+    getfullargspec() - same, with support for Python 3 features
     formatargspec(), formatargvalues() - format an argument spec
     getouterframes(), getinnerframes() - get info about frames
     currentframe() - get the current stack frame
@@ -32,6 +32,8 @@ __author__ = ('Ka-Ping Yee <ping@lfw.org>',
               'Yury Selivanov <yselivanov@sprymix.com>')
 
 import ast
+import dis
+import enum
 import importlib.machinery
 import itertools
 import linecache
@@ -48,18 +50,10 @@ from operator import attrgetter
 from collections import namedtuple, OrderedDict
 
 # Create constants for the compiler flags in Include/code.h
-# We try to get them from dis to avoid duplication, but fall
-# back to hard-coding so the dependency is optional
-try:
-    from dis import COMPILER_FLAG_NAMES as _flag_names
-except ImportError:
-    CO_OPTIMIZED, CO_NEWLOCALS = 0x1, 0x2
-    CO_VARARGS, CO_VARKEYWORDS = 0x4, 0x8
-    CO_NESTED, CO_GENERATOR, CO_NOFREE = 0x10, 0x20, 0x40
-else:
-    mod_dict = globals()
-    for k, v in _flag_names.items():
-        mod_dict["CO_" + v] = k
+# We try to get them from dis to avoid duplication
+mod_dict = globals()
+for k, v in dis.COMPILER_FLAG_NAMES.items():
+    mod_dict["CO_" + v] = k
 
 # See Include/object.h
 TPFLAGS_IS_ABSTRACT = 1 << 20
@@ -467,6 +461,74 @@ def indentsize(line):
     expline = line.expandtabs()
     return len(expline) - len(expline.lstrip())
 
+def _findclass(func):
+    cls = sys.modules.get(func.__module__)
+    if cls is None:
+        return None
+    for name in func.__qualname__.split('.')[:-1]:
+        cls = getattr(cls, name)
+    if not isclass(cls):
+        return None
+    return cls
+
+def _finddoc(obj):
+    if isclass(obj):
+        for base in obj.__mro__:
+            if base is not object:
+                try:
+                    doc = base.__doc__
+                except AttributeError:
+                    continue
+                if doc is not None:
+                    return doc
+        return None
+
+    if ismethod(obj):
+        name = obj.__func__.__name__
+        self = obj.__self__
+        if (isclass(self) and
+            getattr(getattr(self, name, None), '__func__') is obj.__func__):
+            # classmethod
+            cls = self
+        else:
+            cls = self.__class__
+    elif isfunction(obj):
+        name = obj.__name__
+        cls = _findclass(obj)
+        if cls is None or getattr(cls, name) is not obj:
+            return None
+    elif isbuiltin(obj):
+        name = obj.__name__
+        self = obj.__self__
+        if (isclass(self) and
+            self.__qualname__ + '.' + name == obj.__qualname__):
+            # classmethod
+            cls = self
+        else:
+            cls = self.__class__
+    elif ismethoddescriptor(obj) or isdatadescriptor(obj):
+        name = obj.__name__
+        cls = obj.__objclass__
+        if getattr(cls, name) is not obj:
+            return None
+    elif isinstance(obj, property):
+        func = f.fget
+        name = func.__name__
+        cls = _findclass(func)
+        if cls is None or getattr(cls, name) is not obj:
+            return None
+    else:
+        return None
+
+    for base in cls.__mro__:
+        try:
+            doc = getattr(base, name).__doc__
+        except AttributeError:
+            continue
+        if doc is not None:
+            return doc
+    return None
+
 def getdoc(object):
     """Get the documentation string for an object.
 
@@ -477,6 +539,11 @@ def getdoc(object):
         doc = object.__doc__
     except AttributeError:
         return None
+    if doc is None:
+        try:
+            doc = _finddoc(object)
+        except (AttributeError, TypeError):
+            return None
     if not isinstance(doc, str):
         return None
     return cleandoc(doc)
@@ -814,6 +881,14 @@ def getblock(lines):
         pass
     return lines[:blockfinder.last]
 
+def _line_number_helper(code_obj, lines, lnum):
+    """Return a list of source lines and starting line number for a code object.
+
+    The arguments must be a code object with lines and lnum from findsource.
+    """
+    _, end_line = list(dis.findlinestarts(code_obj))[-1]
+    return lines[lnum:end_line], lnum + 1
+
 def getsourcelines(object):
     """Return a list of source lines and starting line number for an object.
 
@@ -822,10 +897,19 @@ def getsourcelines(object):
     corresponding to the object and the line number indicates where in the
     original source file the first line of code was found.  An OSError is
     raised if the source code cannot be retrieved."""
+    object = unwrap(object)
     lines, lnum = findsource(object)
 
-    if ismodule(object): return lines, 0
-    else: return getblock(lines[lnum:]), lnum + 1
+    if ismodule(object):
+        return lines, 0
+    elif iscode(object):
+        return _line_number_helper(object, lines, lnum)
+    elif isfunction(object):
+        return _line_number_helper(object.__code__, lines, lnum)
+    elif ismethod(object):
+        return _line_number_helper(object.__func__.__code__, lines, lnum)
+    else:
+        return getblock(lines[lnum:]), lnum + 1
 
 def getsource(object):
     """Return the text of the source code for an object.
@@ -919,13 +1003,12 @@ ArgSpec = namedtuple('ArgSpec', 'args varargs keywords defaults')
 def getargspec(func):
     """Get the names and default values of a function's arguments.
 
-    A tuple of four things is returned: (args, varargs, varkw, defaults).
-    'args' is a list of the argument names.
-    'args' will include keyword-only argument names.
-    'varargs' and 'varkw' are the names of the * and ** arguments or None.
+    A tuple of four things is returned: (args, varargs, keywords, defaults).
+    'args' is a list of the argument names, including keyword-only argument names.
+    'varargs' and 'keywords' are the names of the * and ** arguments or None.
     'defaults' is an n-tuple of the default values of the last n arguments.
 
-    Use the getfullargspec() API for Python-3000 code, as annotations
+    Use the getfullargspec() API for Python 3 code, as annotations
     and keyword arguments are supported. getargspec() will raise ValueError
     if the func has either annotations or keyword arguments.
     """
@@ -972,9 +1055,10 @@ def getfullargspec(func):
         # getfullargspec() historically ignored __wrapped__ attributes,
         # so we ensure that remains the case in 3.3+
 
-        sig = _signature_internal(func,
-                                  follow_wrapper_chains=False,
-                                  skip_bound_arg=False)
+        sig = _signature_from_callable(func,
+                                       follow_wrapper_chains=False,
+                                       skip_bound_arg=False,
+                                       sigcls=Signature)
     except Exception as ex:
         # Most of the times 'signature' will raise ValueError.
         # But, it can also raise AttributeError, and, maybe something
@@ -1043,8 +1127,8 @@ def getargvalues(frame):
 def formatannotation(annotation, base_module=None):
     if isinstance(annotation, type):
         if annotation.__module__ in ('builtins', base_module):
-            return annotation.__name__
-        return annotation.__module__+'.'+annotation.__name__
+            return annotation.__qualname__
+        return annotation.__module__+'.'+annotation.__qualname__
     return repr(annotation)
 
 def formatannotationrelativeto(object):
@@ -1317,6 +1401,8 @@ def getlineno(frame):
     # FrameType.f_lineno is now a descriptor that grovels co_lnotab
     return frame.f_lineno
 
+FrameInfo = namedtuple('FrameInfo', ('frame',) + Traceback._fields)
+
 def getouterframes(frame, context=1):
     """Get a list of records for a frame and all higher (calling) frames.
 
@@ -1324,7 +1410,8 @@ def getouterframes(frame, context=1):
     name, a list of lines of context, and index within the context."""
     framelist = []
     while frame:
-        framelist.append((frame,) + getframeinfo(frame, context))
+        frameinfo = (frame,) + getframeinfo(frame, context)
+        framelist.append(FrameInfo(*frameinfo))
         frame = frame.f_back
     return framelist
 
@@ -1335,7 +1422,8 @@ def getinnerframes(tb, context=1):
     name, a list of lines of context, and index within the context."""
     framelist = []
     while tb:
-        framelist.append((tb.tb_frame,) + getframeinfo(tb, context))
+        frameinfo = (tb.tb_frame,) + getframeinfo(tb, context)
+        framelist.append(FrameInfo(*frameinfo))
         tb = tb.tb_next
     return framelist
 
@@ -1501,6 +1589,10 @@ _NonUserDefinedCallables = (_WrapperDescriptor,
 
 
 def _signature_get_user_defined_method(cls, method_name):
+    """Private helper. Checks if ``cls`` has an attribute
+    named ``method_name`` and returns it only if it is a
+    pure python function.
+    """
     try:
         meth = getattr(cls, method_name)
     except AttributeError:
@@ -1513,9 +1605,10 @@ def _signature_get_user_defined_method(cls, method_name):
 
 
 def _signature_get_partial(wrapped_sig, partial, extra_args=()):
-    # Internal helper to calculate how 'wrapped_sig' signature will
-    # look like after applying a 'functools.partial' object (or alike)
-    # on it.
+    """Private helper to calculate how 'wrapped_sig' signature will
+    look like after applying a 'functools.partial' object (or alike)
+    on it.
+    """
 
     old_params = wrapped_sig.parameters
     new_params = OrderedDict(old_params.items())
@@ -1588,8 +1681,9 @@ def _signature_get_partial(wrapped_sig, partial, extra_args=()):
 
 
 def _signature_bound_method(sig):
-    # Internal helper to transform signatures for unbound
-    # functions to bound methods
+    """Private helper to transform signatures for unbound
+    functions to bound methods.
+    """
 
     params = tuple(sig.parameters.values())
 
@@ -1613,8 +1707,9 @@ def _signature_bound_method(sig):
 
 
 def _signature_is_builtin(obj):
-    # Internal helper to test if `obj` is a callable that might
-    # support Argument Clinic's __text_signature__ protocol.
+    """Private helper to test if `obj` is a callable that might
+    support Argument Clinic's __text_signature__ protocol.
+    """
     return (isbuiltin(obj) or
             ismethoddescriptor(obj) or
             isinstance(obj, _NonUserDefinedCallables) or
@@ -1624,10 +1719,11 @@ def _signature_is_builtin(obj):
 
 
 def _signature_is_functionlike(obj):
-    # Internal helper to test if `obj` is a duck type of FunctionType.
-    # A good example of such objects are functions compiled with
-    # Cython, which have all attributes that a pure Python function
-    # would have, but have their code statically compiled.
+    """Private helper to test if `obj` is a duck type of FunctionType.
+    A good example of such objects are functions compiled with
+    Cython, which have all attributes that a pure Python function
+    would have, but have their code statically compiled.
+    """
 
     if not callable(obj) or isclass(obj):
         # All function-like objects are obviously callables,
@@ -1648,11 +1744,12 @@ def _signature_is_functionlike(obj):
 
 
 def _signature_get_bound_param(spec):
-    # Internal helper to get first parameter name from a
-    # __text_signature__ of a builtin method, which should
-    # be in the following format: '($param1, ...)'.
-    # Assumptions are that the first argument won't have
-    # a default value or an annotation.
+    """ Private helper to get first parameter name from a
+    __text_signature__ of a builtin method, which should
+    be in the following format: '($param1, ...)'.
+    Assumptions are that the first argument won't have
+    a default value or an annotation.
+    """
 
     assert spec.startswith('($')
 
@@ -1671,7 +1768,9 @@ def _signature_get_bound_param(spec):
 
 def _signature_strip_non_python_syntax(signature):
     """
-    Takes a signature in Argument Clinic's extended signature format.
+    Private helper function. Takes a signature in Argument Clinic's
+    extended signature format.
+
     Returns a tuple of three things:
       * that signature re-rendered in standard Python syntax,
       * the index of the "self" parameter (generally 0), or None if
@@ -1740,8 +1839,10 @@ def _signature_strip_non_python_syntax(signature):
 
 
 def _signature_fromstr(cls, obj, s, skip_bound_arg=True):
-    # Internal helper to parse content of '__text_signature__'
-    # and return a Signature based on it
+    """Private helper to parse content of '__text_signature__'
+    and return a Signature based on it.
+    """
+
     Parameter = cls._parameter_cls
 
     clean_signature, self_parameter, last_positional_only = \
@@ -1879,8 +1980,10 @@ def _signature_fromstr(cls, obj, s, skip_bound_arg=True):
 
 
 def _signature_from_builtin(cls, func, skip_bound_arg=True):
-    # Internal helper function to get signature for
-    # builtin callables
+    """Private helper function to get signature for
+    builtin callables.
+    """
+
     if not _signature_is_builtin(func):
         raise TypeError("{!r} is not a Python builtin "
                         "function".format(func))
@@ -1892,7 +1995,14 @@ def _signature_from_builtin(cls, func, skip_bound_arg=True):
     return _signature_fromstr(cls, func, s, skip_bound_arg)
 
 
-def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
+def _signature_from_callable(obj, *,
+                             follow_wrapper_chains=True,
+                             skip_bound_arg=True,
+                             sigcls):
+
+    """Private helper function to get signature for arbitrary
+    callable objects.
+    """
 
     if not callable(obj):
         raise TypeError('{!r} is not a callable object'.format(obj))
@@ -1900,9 +2010,12 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
     if isinstance(obj, types.MethodType):
         # In this case we skip the first parameter of the underlying
         # function (usually `self` or `cls`).
-        sig = _signature_internal(obj.__func__,
-                                  follow_wrapper_chains,
-                                  skip_bound_arg)
+        sig = _signature_from_callable(
+            obj.__func__,
+            follow_wrapper_chains=follow_wrapper_chains,
+            skip_bound_arg=skip_bound_arg,
+            sigcls=sigcls)
+
         if skip_bound_arg:
             return _signature_bound_method(sig)
         else:
@@ -1937,9 +2050,12 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
             # (usually `self`, or `cls`) will not be passed
             # automatically (as for boundmethods)
 
-            wrapped_sig = _signature_internal(partialmethod.func,
-                                              follow_wrapper_chains,
-                                              skip_bound_arg)
+            wrapped_sig = _signature_from_callable(
+                partialmethod.func,
+                follow_wrapper_chains=follow_wrapper_chains,
+                skip_bound_arg=skip_bound_arg,
+                sigcls=sigcls)
+
             sig = _signature_get_partial(wrapped_sig, partialmethod, (None,))
 
             first_wrapped_param = tuple(wrapped_sig.parameters.values())[0]
@@ -1950,16 +2066,18 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
     if isfunction(obj) or _signature_is_functionlike(obj):
         # If it's a pure Python function, or an object that is duck type
         # of a Python function (Cython functions, for instance), then:
-        return Signature.from_function(obj)
+        return sigcls.from_function(obj)
 
     if _signature_is_builtin(obj):
-        return _signature_from_builtin(Signature, obj,
+        return _signature_from_builtin(sigcls, obj,
                                        skip_bound_arg=skip_bound_arg)
 
     if isinstance(obj, functools.partial):
-        wrapped_sig = _signature_internal(obj.func,
-                                          follow_wrapper_chains,
-                                          skip_bound_arg)
+        wrapped_sig = _signature_from_callable(
+            obj.func,
+            follow_wrapper_chains=follow_wrapper_chains,
+            skip_bound_arg=skip_bound_arg,
+            sigcls=sigcls)
         return _signature_get_partial(wrapped_sig, obj)
 
     sig = None
@@ -1970,23 +2088,29 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
         # in its metaclass
         call = _signature_get_user_defined_method(type(obj), '__call__')
         if call is not None:
-            sig = _signature_internal(call,
-                                      follow_wrapper_chains,
-                                      skip_bound_arg)
+            sig = _signature_from_callable(
+                call,
+                follow_wrapper_chains=follow_wrapper_chains,
+                skip_bound_arg=skip_bound_arg,
+                sigcls=sigcls)
         else:
             # Now we check if the 'obj' class has a '__new__' method
             new = _signature_get_user_defined_method(obj, '__new__')
             if new is not None:
-                sig = _signature_internal(new,
-                                          follow_wrapper_chains,
-                                          skip_bound_arg)
+                sig = _signature_from_callable(
+                    new,
+                    follow_wrapper_chains=follow_wrapper_chains,
+                    skip_bound_arg=skip_bound_arg,
+                    sigcls=sigcls)
             else:
                 # Finally, we should have at least __init__ implemented
                 init = _signature_get_user_defined_method(obj, '__init__')
                 if init is not None:
-                    sig = _signature_internal(init,
-                                              follow_wrapper_chains,
-                                              skip_bound_arg)
+                    sig = _signature_from_callable(
+                        init,
+                        follow_wrapper_chains=follow_wrapper_chains,
+                        skip_bound_arg=skip_bound_arg,
+                        sigcls=sigcls)
 
         if sig is None:
             # At this point we know, that `obj` is a class, with no user-
@@ -2008,7 +2132,7 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
                     if text_sig:
                         # If 'obj' class has a __text_signature__ attribute:
                         # return a signature based on it
-                        return _signature_fromstr(Signature, obj, text_sig)
+                        return _signature_fromstr(sigcls, obj, text_sig)
 
             # No '__text_signature__' was found for the 'obj' class.
             # Last option is to check if its '__init__' is
@@ -2028,9 +2152,11 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
         call = _signature_get_user_defined_method(type(obj), '__call__')
         if call is not None:
             try:
-                sig = _signature_internal(call,
-                                          follow_wrapper_chains,
-                                          skip_bound_arg)
+                sig = _signature_from_callable(
+                    call,
+                    follow_wrapper_chains=follow_wrapper_chains,
+                    skip_bound_arg=skip_bound_arg,
+                    sigcls=sigcls)
             except ValueError as ex:
                 msg = 'no signature found for {!r}'.format(obj)
                 raise ValueError(msg) from ex
@@ -2050,41 +2176,35 @@ def _signature_internal(obj, follow_wrapper_chains=True, skip_bound_arg=True):
 
     raise ValueError('callable {!r} is not supported by signature'.format(obj))
 
-def signature(obj):
-    '''Get a signature object for the passed callable.'''
-    return _signature_internal(obj)
-
 
 class _void:
-    '''A private marker - used in Parameter & Signature'''
+    """A private marker - used in Parameter & Signature."""
 
 
 class _empty:
-    pass
+    """Marker object for Signature.empty and Parameter.empty."""
 
 
-class _ParameterKind(int):
-    def __new__(self, *args, name):
-        obj = int.__new__(self, *args)
-        obj._name = name
-        return obj
+class _ParameterKind(enum.IntEnum):
+    POSITIONAL_ONLY = 0
+    POSITIONAL_OR_KEYWORD = 1
+    VAR_POSITIONAL = 2
+    KEYWORD_ONLY = 3
+    VAR_KEYWORD = 4
 
     def __str__(self):
-        return self._name
-
-    def __repr__(self):
-        return '<_ParameterKind: {!r}>'.format(self._name)
+        return self._name_
 
 
-_POSITIONAL_ONLY        = _ParameterKind(0, name='POSITIONAL_ONLY')
-_POSITIONAL_OR_KEYWORD  = _ParameterKind(1, name='POSITIONAL_OR_KEYWORD')
-_VAR_POSITIONAL         = _ParameterKind(2, name='VAR_POSITIONAL')
-_KEYWORD_ONLY           = _ParameterKind(3, name='KEYWORD_ONLY')
-_VAR_KEYWORD            = _ParameterKind(4, name='VAR_KEYWORD')
+_POSITIONAL_ONLY         = _ParameterKind.POSITIONAL_ONLY
+_POSITIONAL_OR_KEYWORD   = _ParameterKind.POSITIONAL_OR_KEYWORD
+_VAR_POSITIONAL          = _ParameterKind.VAR_POSITIONAL
+_KEYWORD_ONLY            = _ParameterKind.KEYWORD_ONLY
+_VAR_KEYWORD             = _ParameterKind.VAR_KEYWORD
 
 
 class Parameter:
-    '''Represents a parameter in a function signature.
+    """Represents a parameter in a function signature.
 
     Has the following public attributes:
 
@@ -2103,7 +2223,7 @@ class Parameter:
         Possible values: `Parameter.POSITIONAL_ONLY`,
         `Parameter.POSITIONAL_OR_KEYWORD`, `Parameter.VAR_POSITIONAL`,
         `Parameter.KEYWORD_ONLY`, `Parameter.VAR_KEYWORD`.
-    '''
+    """
 
     __slots__ = ('_name', '_kind', '_default', '_annotation')
 
@@ -2140,6 +2260,16 @@ class Parameter:
 
         self._name = name
 
+    def __reduce__(self):
+        return (type(self),
+                (self._name, self._kind),
+                {'_default': self._default,
+                 '_annotation': self._annotation})
+
+    def __setstate__(self, state):
+        self._default = state['_default']
+        self._annotation = state['_annotation']
+
     @property
     def name(self):
         return self._name
@@ -2158,7 +2288,7 @@ class Parameter:
 
     def replace(self, *, name=_void, kind=_void,
                 annotation=_void, default=_void):
-        '''Creates a customized copy of the Parameter.'''
+        """Creates a customized copy of the Parameter."""
 
         if name is _void:
             name = self._name
@@ -2194,8 +2324,11 @@ class Parameter:
         return formatted
 
     def __repr__(self):
-        return '<{} at {:#x} {!r}>'.format(self.__class__.__name__,
-                                           id(self), self.name)
+        return '<{} at {:#x} "{}">'.format(self.__class__.__name__,
+                                           id(self), self)
+
+    def __hash__(self):
+        return hash((self.name, self.kind, self.annotation, self.default))
 
     def __eq__(self, other):
         return (issubclass(other.__class__, Parameter) and
@@ -2204,12 +2337,9 @@ class Parameter:
                 self._default == other._default and
                 self._annotation == other._annotation)
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
 
 class BoundArguments:
-    '''Result of `Signature.bind` call.  Holds the mapping of arguments
+    """Result of `Signature.bind` call.  Holds the mapping of arguments
     to the function's parameters.
 
     Has the following public attributes:
@@ -2223,7 +2353,7 @@ class BoundArguments:
         Tuple of positional arguments values.
     * kwargs : dict
         Dict of keyword arguments values.
-    '''
+    """
 
     def __init__(self, signature, arguments):
         self.arguments = arguments
@@ -2291,12 +2421,9 @@ class BoundArguments:
                 self.signature == other.signature and
                 self.arguments == other.arguments)
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
 
 class Signature:
-    '''A Signature object represents the overall signature of a function.
+    """A Signature object represents the overall signature of a function.
     It stores a Parameter object for each parameter accepted by the
     function, as well as information specific to the function itself.
 
@@ -2316,7 +2443,7 @@ class Signature:
     * bind_partial(*args, **kwargs) -> BoundArguments
         Creates a partial mapping from positional and keyword arguments
         to parameters (simulating 'functools.partial' behavior.)
-    '''
+    """
 
     __slots__ = ('_return_annotation', '_parameters')
 
@@ -2327,9 +2454,9 @@ class Signature:
 
     def __init__(self, parameters=None, *, return_annotation=_empty,
                  __validate_parameters__=True):
-        '''Constructs Signature from the given list of Parameter
+        """Constructs Signature from the given list of Parameter
         objects and 'return_annotation'.  All arguments are optional.
-        '''
+        """
 
         if parameters is None:
             params = OrderedDict()
@@ -2378,7 +2505,7 @@ class Signature:
 
     @classmethod
     def from_function(cls, func):
-        '''Constructs Signature for the given python function'''
+        """Constructs Signature for the given python function."""
 
         is_duck_function = False
         if not isfunction(func):
@@ -2459,8 +2586,14 @@ class Signature:
 
     @classmethod
     def from_builtin(cls, func):
+        """Constructs Signature for the given builtin function."""
         return _signature_from_builtin(cls, func)
 
+    @classmethod
+    def from_callable(cls, obj):
+        """Constructs Signature for the given callable object."""
+        return _signature_from_callable(obj, sigcls=cls)
+
     @property
     def parameters(self):
         return self._parameters
@@ -2470,10 +2603,10 @@ class Signature:
         return self._return_annotation
 
     def replace(self, *, parameters=_void, return_annotation=_void):
-        '''Creates a customized copy of the Signature.
+        """Creates a customized copy of the Signature.
         Pass 'parameters' and/or 'return_annotation' arguments
         to override them in the new copy.
-        '''
+        """
 
         if parameters is _void:
             parameters = self.parameters.values()
@@ -2484,41 +2617,26 @@ class Signature:
         return type(self)(parameters,
                           return_annotation=return_annotation)
 
-    def __eq__(self, other):
-        if (not issubclass(type(other), Signature) or
-                    self.return_annotation != other.return_annotation or
-                    len(self.parameters) != len(other.parameters)):
-            return False
+    def _hash_basis(self):
+        params = tuple(param for param in self.parameters.values()
+                             if param.kind != _KEYWORD_ONLY)
 
-        other_positions = {param: idx
-                           for idx, param in enumerate(other.parameters.keys())}
+        kwo_params = {param.name: param for param in self.parameters.values()
+                                        if param.kind == _KEYWORD_ONLY}
 
-        for idx, (param_name, param) in enumerate(self.parameters.items()):
-            if param.kind == _KEYWORD_ONLY:
-                try:
-                    other_param = other.parameters[param_name]
-                except KeyError:
-                    return False
-                else:
-                    if param != other_param:
-                        return False
-            else:
-                try:
-                    other_idx = other_positions[param_name]
-                except KeyError:
-                    return False
-                else:
-                    if (idx != other_idx or
-                                    param != other.parameters[param_name]):
-                        return False
+        return params, kwo_params, self.return_annotation
 
-        return True
+    def __hash__(self):
+        params, kwo_params, return_annotation = self._hash_basis()
+        kwo_params = frozenset(kwo_params.values())
+        return hash((params, kwo_params, return_annotation))
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
+    def __eq__(self, other):
+        return (isinstance(other, Signature) and
+                self._hash_basis() == other._hash_basis())
 
     def _bind(self, args, kwargs, *, partial=False):
-        '''Private method.  Don't use directly.'''
+        """Private method. Don't use directly."""
 
         arguments = OrderedDict()
 
@@ -2645,19 +2763,31 @@ class Signature:
         return self._bound_arguments_cls(self, arguments)
 
     def bind(*args, **kwargs):
-        '''Get a BoundArguments object, that maps the passed `args`
+        """Get a BoundArguments object, that maps the passed `args`
         and `kwargs` to the function's signature.  Raises `TypeError`
         if the passed arguments can not be bound.
-        '''
+        """
         return args[0]._bind(args[1:], kwargs)
 
     def bind_partial(*args, **kwargs):
-        '''Get a BoundArguments object, that partially maps the
+        """Get a BoundArguments object, that partially maps the
         passed `args` and `kwargs` to the function's signature.
         Raises `TypeError` if the passed arguments can not be bound.
-        '''
+        """
         return args[0]._bind(args[1:], kwargs, partial=True)
 
+    def __reduce__(self):
+        return (type(self),
+                (tuple(self._parameters.values()),),
+                {'_return_annotation': self._return_annotation})
+
+    def __setstate__(self, state):
+        self._return_annotation = state['_return_annotation']
+
+    def __repr__(self):
+        return '<{} at {:#x} "{}">'.format(self.__class__.__name__,
+                                           id(self), self)
+
     def __str__(self):
         result = []
         render_pos_only_separator = False
@@ -2703,6 +2833,12 @@ class Signature:
 
         return rendered
 
+
+def signature(obj):
+    """Get a signature object for the passed callable."""
+    return Signature.from_callable(obj)
+
+
 def _main():
     """ Logic for inspecting an object given at command line """
     import argparse
diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
index ac03c36..be1ec52 100644
--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -164,22 +164,23 @@ def _split_optional_netmask(address):
 
 
 def _find_address_range(addresses):
-    """Find a sequence of IPv#Address.
+    """Find a sequence of sorted deduplicated IPv#Address.
 
     Args:
         addresses: a list of IPv#Address objects.
 
-    Returns:
+    Yields:
         A tuple containing the first and last IP addresses in the sequence.
 
     """
-    first = last = addresses[0]
-    for ip in addresses[1:]:
-        if ip._ip == last._ip + 1:
-            last = ip
-        else:
-            break
-    return (first, last)
+    it = iter(addresses)
+    first = last = next(it)
+    for ip in it:
+        if ip._ip != last._ip + 1:
+            yield first, last
+            first = ip
+        last = ip
+    yield first, last
 
 
 def _count_righthand_zero_bits(number, bits):
@@ -195,11 +196,7 @@ def _count_righthand_zero_bits(number, bits):
     """
     if number == 0:
         return bits
-    for i in range(bits):
-        if (number >> i) & 1:
-            return i
-    # All bits of interest were zero, even if there are more in the number
-    return bits
+    return min(bits, (~number & (number-1)).bit_length())
 
 
 def summarize_address_range(first, last):
@@ -250,15 +247,14 @@ def summarize_address_range(first, last):
     while first_int <= last_int:
         nbits = min(_count_righthand_zero_bits(first_int, ip_bits),
                     (last_int - first_int + 1).bit_length() - 1)
-        net = ip('%s/%d' % (first, ip_bits - nbits))
+        net = ip((first_int, ip_bits - nbits))
         yield net
         first_int += 1 << nbits
         if first_int - 1 == ip._ALL_ONES:
             break
-        first = first.__class__(first_int)
 
 
-def _collapse_addresses_recursive(addresses):
+def _collapse_addresses_internal(addresses):
     """Loops through the addresses, collapsing concurrent netblocks.
 
     Example:
@@ -268,7 +264,7 @@ def _collapse_addresses_recursive(addresses):
         ip3 = IPv4Network('192.0.2.128/26')
         ip4 = IPv4Network('192.0.2.192/26')
 
-        _collapse_addresses_recursive([ip1, ip2, ip3, ip4]) ->
+        _collapse_addresses_internal([ip1, ip2, ip3, ip4]) ->
           [IPv4Network('192.0.2.0/24')]
 
         This shouldn't be called directly; it is called via
@@ -282,28 +278,29 @@ def _collapse_addresses_recursive(addresses):
         passed.
 
     """
-    while True:
-        last_addr = None
-        ret_array = []
-        optimized = False
-
-        for cur_addr in addresses:
-            if not ret_array:
-                last_addr = cur_addr
-                ret_array.append(cur_addr)
-            elif (cur_addr.network_address >= last_addr.network_address and
-                cur_addr.broadcast_address <= last_addr.broadcast_address):
-                optimized = True
-            elif cur_addr == list(last_addr.supernet().subnets())[1]:
-                ret_array[-1] = last_addr = last_addr.supernet()
-                optimized = True
-            else:
-                last_addr = cur_addr
-                ret_array.append(cur_addr)
-
-        addresses = ret_array
-        if not optimized:
-            return addresses
+    # First merge
+    to_merge = list(addresses)
+    subnets = {}
+    while to_merge:
+        net = to_merge.pop()
+        supernet = net.supernet()
+        existing = subnets.get(supernet)
+        if existing is None:
+            subnets[supernet] = net
+        elif existing != net:
+            # Merge consecutive subnets
+            del subnets[supernet]
+            to_merge.append(supernet)
+    # Then iterate over resulting networks, skipping subsumed subnets
+    last = None
+    for net in sorted(subnets.values()):
+        if last is not None:
+            # Since they are sorted, last.network_address <= net.network_address
+            # is a given.
+            if last.broadcast_address >= net.broadcast_address:
+                continue
+        yield net
+        last = net
 
 
 def collapse_addresses(addresses):
@@ -324,7 +321,6 @@ def collapse_addresses(addresses):
         TypeError: If passed a list of mixed version objects.
 
     """
-    i = 0
     addrs = []
     ips = []
     nets = []
@@ -352,15 +348,13 @@ def collapse_addresses(addresses):
 
     # sort and dedup
     ips = sorted(set(ips))
-    nets = sorted(set(nets))
 
-    while i < len(ips):
-        (first, last) = _find_address_range(ips[i:])
-        i = ips.index(last) + 1
-        addrs.extend(summarize_address_range(first, last))
+    # find consecutive address ranges in the sorted sequence and summarize them
+    if ips:
+        for first, last in _find_address_range(ips):
+            addrs.extend(summarize_address_range(first, last))
 
-    return iter(_collapse_addresses_recursive(sorted(
-        addrs + nets, key=_BaseNetwork._get_networks_key)))
+    return _collapse_addresses_internal(addrs + nets)
 
 
 def get_mixed_type_key(obj):
@@ -392,6 +386,8 @@ class _IPAddressBase:
 
     """The mother class."""
 
+    __slots__ = ()
+
     @property
     def exploded(self):
         """Return the longhand version of the IP address as a string."""
@@ -403,6 +399,17 @@ class _IPAddressBase:
         return str(self)
 
     @property
+    def reverse_pointer(self):
+        """The name of the reverse DNS pointer for the IP address, e.g.:
+            >>> ipaddress.ip_address("127.0.0.1").reverse_pointer
+            '1.0.0.127.in-addr.arpa'
+            >>> ipaddress.ip_address("2001:db8::1").reverse_pointer
+            '1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa'
+
+        """
+        return self._reverse_pointer()
+
+    @property
     def version(self):
         msg = '%200s has no version specified' % (type(self),)
         raise NotImplementedError(msg)
@@ -423,7 +430,8 @@ class _IPAddressBase:
             raise AddressValueError(msg % (address, address_len,
                                            expected_len, self._version))
 
-    def _ip_int_from_prefix(self, prefixlen):
+    @classmethod
+    def _ip_int_from_prefix(cls, prefixlen):
         """Turn the prefix length into a bitwise netmask
 
         Args:
@@ -433,9 +441,10 @@ class _IPAddressBase:
             An integer.
 
         """
-        return self._ALL_ONES ^ (self._ALL_ONES >> prefixlen)
+        return cls._ALL_ONES ^ (cls._ALL_ONES >> prefixlen)
 
-    def _prefix_from_ip_int(self, ip_int):
+    @classmethod
+    def _prefix_from_ip_int(cls, ip_int):
         """Return prefix length from the bitwise netmask.
 
         Args:
@@ -448,22 +457,24 @@ class _IPAddressBase:
             ValueError: If the input intermingles zeroes & ones
         """
         trailing_zeroes = _count_righthand_zero_bits(ip_int,
-                                                     self._max_prefixlen)
-        prefixlen = self._max_prefixlen - trailing_zeroes
+                                                     cls._max_prefixlen)
+        prefixlen = cls._max_prefixlen - trailing_zeroes
         leading_ones = ip_int >> trailing_zeroes
         all_ones = (1 << prefixlen) - 1
         if leading_ones != all_ones:
-            byteslen = self._max_prefixlen // 8
+            byteslen = cls._max_prefixlen // 8
             details = ip_int.to_bytes(byteslen, 'big')
             msg = 'Netmask pattern %r mixes zeroes & ones'
             raise ValueError(msg % details)
         return prefixlen
 
-    def _report_invalid_netmask(self, netmask_str):
+    @classmethod
+    def _report_invalid_netmask(cls, netmask_str):
         msg = '%r is not a valid netmask' % netmask_str
         raise NetmaskValueError(msg) from None
 
-    def _prefix_from_prefix_string(self, prefixlen_str):
+    @classmethod
+    def _prefix_from_prefix_string(cls, prefixlen_str):
         """Return prefix length from a numeric string
 
         Args:
@@ -478,16 +489,17 @@ class _IPAddressBase:
         # int allows a leading +/- as well as surrounding whitespace,
         # so we ensure that isn't the case
         if not _BaseV4._DECIMAL_DIGITS.issuperset(prefixlen_str):
-            self._report_invalid_netmask(prefixlen_str)
+            cls._report_invalid_netmask(prefixlen_str)
         try:
             prefixlen = int(prefixlen_str)
         except ValueError:
-            self._report_invalid_netmask(prefixlen_str)
-        if not (0 <= prefixlen <= self._max_prefixlen):
-            self._report_invalid_netmask(prefixlen_str)
+            cls._report_invalid_netmask(prefixlen_str)
+        if not (0 <= prefixlen <= cls._max_prefixlen):
+            cls._report_invalid_netmask(prefixlen_str)
         return prefixlen
 
-    def _prefix_from_ip_string(self, ip_str):
+    @classmethod
+    def _prefix_from_ip_string(cls, ip_str):
         """Turn a netmask/hostmask string into a prefix length
 
         Args:
@@ -501,24 +513,27 @@ class _IPAddressBase:
         """
         # Parse the netmask/hostmask like an IP address.
         try:
-            ip_int = self._ip_int_from_string(ip_str)
+            ip_int = cls._ip_int_from_string(ip_str)
         except AddressValueError:
-            self._report_invalid_netmask(ip_str)
+            cls._report_invalid_netmask(ip_str)
 
         # Try matching a netmask (this would be /1*0*/ as a bitwise regexp).
         # Note that the two ambiguous cases (all-ones and all-zeroes) are
         # treated as netmasks.
         try:
-            return self._prefix_from_ip_int(ip_int)
+            return cls._prefix_from_ip_int(ip_int)
         except ValueError:
             pass
 
         # Invert the bits, and try matching a /0+1+/ hostmask instead.
-        ip_int ^= self._ALL_ONES
+        ip_int ^= cls._ALL_ONES
         try:
-            return self._prefix_from_ip_int(ip_int)
+            return cls._prefix_from_ip_int(ip_int)
         except ValueError:
-            self._report_invalid_netmask(ip_str)
+            cls._report_invalid_netmask(ip_str)
+
+    def __reduce__(self):
+        return self.__class__, (str(self),)
 
 
 @functools.total_ordering
@@ -530,10 +545,7 @@ class _BaseAddress(_IPAddressBase):
     used by single IP addresses.
     """
 
-    def __init__(self, address):
-        if (not isinstance(address, bytes)
-            and '/' in str(address)):
-            raise AddressValueError("Unexpected '/' in %r" % address)
+    __slots__ = ()
 
     def __int__(self):
         return self._ip
@@ -579,6 +591,9 @@ class _BaseAddress(_IPAddressBase):
     def _get_address_key(self):
         return (self._version, self)
 
+    def __reduce__(self):
+        return self.__class__, (self._ip,)
+
 
 @functools.total_ordering
 class _BaseNetwork(_IPAddressBase):
@@ -765,7 +780,7 @@ class _BaseNetwork(_IPAddressBase):
                 other.broadcast_address <= self.broadcast_address):
             raise ValueError('%s not contained in %s' % (other, self))
         if other == self:
-            raise StopIteration
+            return
 
         # Make sure we're comparing the network of other.
         other = other.__class__('%s/%s' % (other.network_address,
@@ -900,20 +915,11 @@ class _BaseNetwork(_IPAddressBase):
                 'prefix length diff %d is invalid for netblock %s' % (
                     new_prefixlen, self))
 
-        first = self.__class__('%s/%s' %
-                                 (self.network_address,
-                                  self._prefixlen + prefixlen_diff))
-
-        yield first
-        current = first
-        while True:
-            broadcast = current.broadcast_address
-            if broadcast == self.broadcast_address:
-                return
-            new_addr = self._address_class(int(broadcast) + 1)
-            current = self.__class__('%s/%s' % (new_addr,
-                                                new_prefixlen))
-
+        start = int(self.network_address)
+        end = int(self.broadcast_address)
+        step = (int(self.hostmask) + 1) >> prefixlen_diff
+        for new_addr in range(start, end, step):
+            current = self.__class__((new_addr, new_prefixlen))
             yield current
 
     def supernet(self, prefixlen_diff=1, new_prefix=None):
@@ -947,15 +953,15 @@ class _BaseNetwork(_IPAddressBase):
                 raise ValueError('cannot set prefixlen_diff and new_prefix')
             prefixlen_diff = self._prefixlen - new_prefix
 
-        if self.prefixlen - prefixlen_diff < 0:
+        new_prefixlen = self.prefixlen - prefixlen_diff
+        if new_prefixlen < 0:
             raise ValueError(
                 'current prefixlen is %d, cannot have a prefixlen_diff of %d' %
                 (self.prefixlen, prefixlen_diff))
-        # TODO (pmoody): optimize this.
-        t = self.__class__('%s/%d' % (self.network_address,
-                                      self.prefixlen - prefixlen_diff),
-                                     strict=False)
-        return t.__class__('%s/%d' % (t.network_address, t.prefixlen))
+        return self.__class__((
+            int(self.network_address) & (int(self.netmask) << prefixlen_diff),
+            new_prefixlen
+            ))
 
     @property
     def is_multicast(self):
@@ -1049,21 +1055,49 @@ class _BaseV4:
 
     """
 
+    __slots__ = ()
+    _version = 4
     # Equivalent to 255.255.255.255 or 32 bits of 1's.
     _ALL_ONES = (2**IPV4LENGTH) - 1
     _DECIMAL_DIGITS = frozenset('0123456789')
 
     # the valid octets for host and netmasks. only useful for IPv4.
-    _valid_mask_octets = frozenset((255, 254, 252, 248, 240, 224, 192, 128, 0))
+    _valid_mask_octets = frozenset({255, 254, 252, 248, 240, 224, 192, 128, 0})
 
-    def __init__(self, address):
-        self._version = 4
-        self._max_prefixlen = IPV4LENGTH
+    _max_prefixlen = IPV4LENGTH
+    # There are only a handful of valid v4 netmasks, so we cache them all
+    # when constructed (see _make_netmask()).
+    _netmask_cache = {}
 
     def _explode_shorthand_ip_string(self):
         return str(self)
 
-    def _ip_int_from_string(self, ip_str):
+    @classmethod
+    def _make_netmask(cls, arg):
+        """Make a (netmask, prefix_len) tuple from the given argument.
+
+        Argument can be:
+        - an integer (the prefix length)
+        - a string representing the prefix length (e.g. "24")
+        - a string representing the prefix netmask (e.g. "255.255.255.0")
+        """
+        if arg not in cls._netmask_cache:
+            if isinstance(arg, int):
+                prefixlen = arg
+            else:
+                try:
+                    # Check for a netmask in prefix length form
+                    prefixlen = cls._prefix_from_prefix_string(arg)
+                except NetmaskValueError:
+                    # Check for a netmask or hostmask in dotted-quad form.
+                    # This may raise NetmaskValueError.
+                    prefixlen = cls._prefix_from_ip_string(arg)
+            netmask = IPv4Address(cls._ip_int_from_prefix(prefixlen))
+            cls._netmask_cache[arg] = netmask, prefixlen
+        return cls._netmask_cache[arg]
+
+    @classmethod
+    def _ip_int_from_string(cls, ip_str):
         """Turn the given IP string into an integer for comparison.
 
         Args:
@@ -1084,11 +1118,12 @@ class _BaseV4:
             raise AddressValueError("Expected 4 octets in %r" % ip_str)
 
         try:
-            return int.from_bytes(map(self._parse_octet, octets), 'big')
+            return int.from_bytes(map(cls._parse_octet, octets), 'big')
         except ValueError as exc:
             raise AddressValueError("%s in %r" % (exc, ip_str)) from None
 
-    def _parse_octet(self, octet_str):
+    @classmethod
+    def _parse_octet(cls, octet_str):
         """Convert a decimal octet into an integer.
 
         Args:
@@ -1104,7 +1139,7 @@ class _BaseV4:
         if not octet_str:
             raise ValueError("Empty octet not permitted")
         # Whitelist the characters, since int() allows a lot of bizarre stuff.
-        if not self._DECIMAL_DIGITS.issuperset(octet_str):
+        if not cls._DECIMAL_DIGITS.issuperset(octet_str):
             msg = "Only decimal digits permitted in %r"
             raise ValueError(msg % octet_str)
         # We do the length check second, since the invalid character error
@@ -1124,7 +1159,8 @@ class _BaseV4:
             raise ValueError("Octet %d (> 255) not permitted" % octet_int)
         return octet_int
 
-    def _string_from_ip_int(self, ip_int):
+    @classmethod
+    def _string_from_ip_int(cls, ip_int):
         """Turns a 32-bit integer into dotted decimal notation.
 
         Args:
@@ -1188,6 +1224,15 @@ class _BaseV4:
             return True
         return False
 
+    def _reverse_pointer(self):
+        """Return the reverse DNS pointer name for the IPv4 address.
+
+        This implements the method described in RFC1035 3.5.
+
+        """
+        reverse_octets = str(self).split('.')[::-1]
+        return '.'.join(reverse_octets) + '.in-addr.arpa'
+
     @property
     def max_prefixlen(self):
         return self._max_prefixlen
@@ -1201,6 +1246,8 @@ class IPv4Address(_BaseV4, _BaseAddress):
 
     """Represent and manipulate single IPv4 Addresses."""
 
+    __slots__ = ('_ip', '__weakref__')
+
     def __init__(self, address):
 
         """
@@ -1217,9 +1264,6 @@ class IPv4Address(_BaseV4, _BaseAddress):
             AddressValueError: If ipaddress isn't a valid IPv4 address.
 
         """
-        _BaseAddress.__init__(self, address)
-        _BaseV4.__init__(self, address)
-
         # Efficient constructor from integer.
         if isinstance(address, int):
             self._check_int_address(address)
@@ -1235,6 +1279,8 @@ class IPv4Address(_BaseV4, _BaseAddress):
         # Assume input argument to be string or any object representation
         # which converts into a formatted IP string.
         addr_str = str(address)
+        if '/' in addr_str:
+            raise AddressValueError("Unexpected '/' in %r" % address)
         self._ip = self._ip_int_from_string(addr_str)
 
     @property
@@ -1251,8 +1297,7 @@ class IPv4Address(_BaseV4, _BaseAddress):
              reserved IPv4 Network range.
 
         """
-        reserved_network = IPv4Network('240.0.0.0/4')
-        return self in reserved_network
+        return self in self._constants._reserved_network
 
     @property
     @functools.lru_cache()
@@ -1264,21 +1309,7 @@ class IPv4Address(_BaseV4, _BaseAddress):
             iana-ipv4-special-registry.
 
         """
-        return (self in IPv4Network('0.0.0.0/8') or
-                self in IPv4Network('10.0.0.0/8') or
-                self in IPv4Network('127.0.0.0/8') or
-                self in IPv4Network('169.254.0.0/16') or
-                self in IPv4Network('172.16.0.0/12') or
-                self in IPv4Network('192.0.0.0/29') or
-                self in IPv4Network('192.0.0.170/31') or
-                self in IPv4Network('192.0.2.0/24') or
-                self in IPv4Network('192.168.0.0/16') or
-                self in IPv4Network('198.18.0.0/15') or
-                self in IPv4Network('198.51.100.0/24') or
-                self in IPv4Network('203.0.113.0/24') or
-                self in IPv4Network('240.0.0.0/4') or
-                self in IPv4Network('255.255.255.255/32'))
-
+        return any(self in net for net in self._constants._private_networks)
 
     @property
     def is_multicast(self):
@@ -1289,8 +1320,7 @@ class IPv4Address(_BaseV4, _BaseAddress):
             See RFC 3171 for details.
 
         """
-        multicast_network = IPv4Network('224.0.0.0/4')
-        return self in multicast_network
+        return self in self._constants._multicast_network
 
     @property
     def is_unspecified(self):
@@ -1301,8 +1331,7 @@ class IPv4Address(_BaseV4, _BaseAddress):
             RFC 5735 3.
 
         """
-        unspecified_address = IPv4Address('0.0.0.0')
-        return self == unspecified_address
+        return self == self._constants._unspecified_address
 
     @property
     def is_loopback(self):
@@ -1312,8 +1341,7 @@ class IPv4Address(_BaseV4, _BaseAddress):
             A boolean, True if the address is a loopback per RFC 3330.
 
         """
-        loopback_network = IPv4Network('127.0.0.0/8')
-        return self in loopback_network
+        return self in self._constants._loopback_network
 
     @property
     def is_link_local(self):
@@ -1323,8 +1351,7 @@ class IPv4Address(_BaseV4, _BaseAddress):
             A boolean, True if the address is link-local per RFC 3927.
 
         """
-        linklocal_network = IPv4Network('169.254.0.0/16')
-        return self in linklocal_network
+        return self in self._constants._linklocal_network
 
 
 class IPv4Interface(IPv4Address):
@@ -1336,6 +1363,18 @@ class IPv4Interface(IPv4Address):
             self._prefixlen = self._max_prefixlen
             return
 
+        if isinstance(address, tuple):
+            IPv4Address.__init__(self, address[0])
+            if len(address) > 1:
+                self._prefixlen = int(address[1])
+            else:
+                self._prefixlen = self._max_prefixlen
+
+            self.network = IPv4Network(address, strict=False)
+            self.netmask = self.network.netmask
+            self.hostmask = self.network.hostmask
+            return
+
         addr = _split_optional_netmask(address)
         IPv4Address.__init__(self, addr[0])
 
@@ -1375,6 +1414,8 @@ class IPv4Interface(IPv4Address):
     def __hash__(self):
         return self._ip ^ self._prefixlen ^ int(self.network.network_address)
 
+    __reduce__ = _IPAddressBase.__reduce__
+
     @property
     def ip(self):
         return IPv4Address(self._ip)
@@ -1447,24 +1488,30 @@ class IPv4Network(_BaseV4, _BaseNetwork):
               supplied.
 
         """
-
-        _BaseV4.__init__(self, address)
         _BaseNetwork.__init__(self, address)
 
-        # Constructing from a packed address
-        if isinstance(address, bytes):
+        # Constructing from a packed address or integer
+        if isinstance(address, (int, bytes)):
             self.network_address = IPv4Address(address)
-            self._prefixlen = self._max_prefixlen
-            self.netmask = IPv4Address(self._ALL_ONES)
-            #fixme: address/network test here
+            self.netmask, self._prefixlen = self._make_netmask(self._max_prefixlen)
+            #fixme: address/network test here.
             return
 
-        # Efficient constructor from integer.
-        if isinstance(address, int):
-            self.network_address = IPv4Address(address)
-            self._prefixlen = self._max_prefixlen
-            self.netmask = IPv4Address(self._ALL_ONES)
-            #fixme: address/network test here.
+        if isinstance(address, tuple):
+            if len(address) > 1:
+                arg = address[1]
+            else:
+                # We weren't given an address[1]
+                arg = self._max_prefixlen
+            self.network_address = IPv4Address(address[0])
+            self.netmask, self._prefixlen = self._make_netmask(arg)
+            packed = int(self.network_address)
+            if packed & int(self.netmask) != packed:
+                if strict:
+                    raise ValueError('%s has host bits set' % self)
+                else:
+                    self.network_address = IPv4Address(packed &
+                                                       int(self.netmask))
             return
 
         # Assume input argument to be string or any object representation
@@ -1473,16 +1520,10 @@ class IPv4Network(_BaseV4, _BaseNetwork):
         self.network_address = IPv4Address(self._ip_int_from_string(addr[0]))
 
         if len(addr) == 2:
-            try:
-                # Check for a netmask in prefix length form
-                self._prefixlen = self._prefix_from_prefix_string(addr[1])
-            except NetmaskValueError:
-                # Check for a netmask or hostmask in dotted-quad form.
-                # This may raise NetmaskValueError.
-                self._prefixlen = self._prefix_from_ip_string(addr[1])
+            arg = addr[1]
         else:
-            self._prefixlen = self._max_prefixlen
-        self.netmask = IPv4Address(self._ip_int_from_prefix(self._prefixlen))
+            arg = self._max_prefixlen
+        self.netmask, self._prefixlen = self._make_netmask(arg)
 
         if strict:
             if (IPv4Address(int(self.network_address) & int(self.netmask)) !=
@@ -1509,6 +1550,37 @@ class IPv4Network(_BaseV4, _BaseNetwork):
                 not self.is_private)
 
 
+class _IPv4Constants:
+    _linklocal_network = IPv4Network('169.254.0.0/16')
+
+    _loopback_network = IPv4Network('127.0.0.0/8')
+
+    _multicast_network = IPv4Network('224.0.0.0/4')
+
+    _private_networks = [
+        IPv4Network('0.0.0.0/8'),
+        IPv4Network('10.0.0.0/8'),
+        IPv4Network('127.0.0.0/8'),
+        IPv4Network('169.254.0.0/16'),
+        IPv4Network('172.16.0.0/12'),
+        IPv4Network('192.0.0.0/29'),
+        IPv4Network('192.0.0.170/31'),
+        IPv4Network('192.0.2.0/24'),
+        IPv4Network('192.168.0.0/16'),
+        IPv4Network('198.18.0.0/15'),
+        IPv4Network('198.51.100.0/24'),
+        IPv4Network('203.0.113.0/24'),
+        IPv4Network('240.0.0.0/4'),
+        IPv4Network('255.255.255.255/32'),
+        ]
+
+    _reserved_network = IPv4Network('240.0.0.0/4')
+
+    _unspecified_address = IPv4Address('0.0.0.0')
+
+
+IPv4Address._constants = _IPv4Constants
+
 
 class _BaseV6:
 
@@ -1519,15 +1591,37 @@ class _BaseV6:
 
     """
 
+    __slots__ = ()
+    _version = 6
     _ALL_ONES = (2**IPV6LENGTH) - 1
     _HEXTET_COUNT = 8
     _HEX_DIGITS = frozenset('0123456789ABCDEFabcdef')
+    _max_prefixlen = IPV6LENGTH
 
-    def __init__(self, address):
-        self._version = 6
-        self._max_prefixlen = IPV6LENGTH
+    # There are only a bunch of valid v6 netmasks, so we cache them all
+    # when constructed (see _make_netmask()).
+    _netmask_cache = {}
+
+    @classmethod
+    def _make_netmask(cls, arg):
+        """Make a (netmask, prefix_len) tuple from the given argument.
 
-    def _ip_int_from_string(self, ip_str):
+        Argument can be:
+        - an integer (the prefix length)
+        - a string representing the prefix length (e.g. "24")
+        - a string representing the prefix netmask (e.g. "255.255.255.0")
+        """
+        if arg not in cls._netmask_cache:
+            if isinstance(arg, int):
+                prefixlen = arg
+            else:
+                prefixlen = cls._prefix_from_prefix_string(arg)
+            netmask = IPv6Address(cls._ip_int_from_prefix(prefixlen))
+            cls._netmask_cache[arg] = netmask, prefixlen
+        return cls._netmask_cache[arg]
+
+    @classmethod
+    def _ip_int_from_string(cls, ip_str):
         """Turn an IPv6 ip_str into an integer.
 
         Args:
@@ -1563,7 +1657,7 @@ class _BaseV6:
         # An IPv6 address can't have more than 8 colons (9 parts).
         # The extra colon comes from using the "::" notation for a single
         # leading or trailing zero part.
-        _max_parts = self._HEXTET_COUNT + 1
+        _max_parts = cls._HEXTET_COUNT + 1
         if len(parts) > _max_parts:
             msg = "At most %d colons permitted in %r" % (_max_parts-1, ip_str)
             raise AddressValueError(msg)
@@ -1595,17 +1689,17 @@ class _BaseV6:
                 if parts_lo:
                     msg = "Trailing ':' only permitted as part of '::' in %r"
                     raise AddressValueError(msg % ip_str)  # :$ requires ::$
-            parts_skipped = self._HEXTET_COUNT - (parts_hi + parts_lo)
+            parts_skipped = cls._HEXTET_COUNT - (parts_hi + parts_lo)
             if parts_skipped < 1:
                 msg = "Expected at most %d other parts with '::' in %r"
-                raise AddressValueError(msg % (self._HEXTET_COUNT-1, ip_str))
+                raise AddressValueError(msg % (cls._HEXTET_COUNT-1, ip_str))
         else:
             # Otherwise, allocate the entire address to parts_hi.  The
             # endpoints could still be empty, but _parse_hextet() will check
             # for that.
-            if len(parts) != self._HEXTET_COUNT:
+            if len(parts) != cls._HEXTET_COUNT:
                 msg = "Exactly %d parts expected without '::' in %r"
-                raise AddressValueError(msg % (self._HEXTET_COUNT, ip_str))
+                raise AddressValueError(msg % (cls._HEXTET_COUNT, ip_str))
             if not parts[0]:
                 msg = "Leading ':' only permitted as part of '::' in %r"
                 raise AddressValueError(msg % ip_str)  # ^: requires ^::
@@ -1621,16 +1715,17 @@ class _BaseV6:
             ip_int = 0
             for i in range(parts_hi):
                 ip_int <<= 16
-                ip_int |= self._parse_hextet(parts[i])
+                ip_int |= cls._parse_hextet(parts[i])
             ip_int <<= 16 * parts_skipped
             for i in range(-parts_lo, 0):
                 ip_int <<= 16
-                ip_int |= self._parse_hextet(parts[i])
+                ip_int |= cls._parse_hextet(parts[i])
             return ip_int
         except ValueError as exc:
             raise AddressValueError("%s in %r" % (exc, ip_str)) from None
 
-    def _parse_hextet(self, hextet_str):
+    @classmethod
+    def _parse_hextet(cls, hextet_str):
         """Convert an IPv6 hextet string into an integer.
 
         Args:
@@ -1645,7 +1740,7 @@ class _BaseV6:
 
         """
         # Whitelist the characters, since int() allows a lot of bizarre stuff.
-        if not self._HEX_DIGITS.issuperset(hextet_str):
+        if not cls._HEX_DIGITS.issuperset(hextet_str):
             raise ValueError("Only hex digits permitted in %r" % hextet_str)
         # We do the length check second, since the invalid character error
         # is likely to be more informative for the user
@@ -1655,7 +1750,8 @@ class _BaseV6:
         # Length check means we can skip checking the integer value
         return int(hextet_str, 16)
 
-    def _compress_hextets(self, hextets):
+    @classmethod
+    def _compress_hextets(cls, hextets):
         """Compresses a list of hextets.
 
         Compresses a list of strings, replacing the longest continuous
@@ -1702,7 +1798,8 @@ class _BaseV6:
 
         return hextets
 
-    def _string_from_ip_int(self, ip_int=None):
+    @classmethod
+    def _string_from_ip_int(cls, ip_int=None):
         """Turns a 128-bit integer into hexadecimal notation.
 
         Args:
@@ -1716,15 +1813,15 @@ class _BaseV6:
 
         """
         if ip_int is None:
-            ip_int = int(self._ip)
+            ip_int = int(cls._ip)
 
-        if ip_int > self._ALL_ONES:
+        if ip_int > cls._ALL_ONES:
             raise ValueError('IPv6 address is too large')
 
         hex_str = '%032x' % ip_int
         hextets = ['%x' % int(hex_str[x:x+4], 16) for x in range(0, 32, 4)]
 
-        hextets = self._compress_hextets(hextets)
+        hextets = cls._compress_hextets(hextets)
         return ':'.join(hextets)
 
     def _explode_shorthand_ip_string(self):
@@ -1751,6 +1848,15 @@ class _BaseV6:
             return '%s/%d' % (':'.join(parts), self._prefixlen)
         return ':'.join(parts)
 
+    def _reverse_pointer(self):
+        """Return the reverse DNS pointer name for the IPv6 address.
+
+        This implements the method described in RFC3596 2.5.
+
+        """
+        reverse_chars = self.exploded[::-1].replace(':', '')
+        return '.'.join(reverse_chars) + '.ip6.arpa'
+
     @property
     def max_prefixlen(self):
         return self._max_prefixlen
@@ -1764,6 +1870,8 @@ class IPv6Address(_BaseV6, _BaseAddress):
 
     """Represent and manipulate single IPv6 Addresses."""
 
+    __slots__ = ('_ip', '__weakref__')
+
     def __init__(self, address):
         """Instantiate a new IPv6 address object.
 
@@ -1781,9 +1889,6 @@ class IPv6Address(_BaseV6, _BaseAddress):
             AddressValueError: If address isn't a valid IPv6 address.
 
         """
-        _BaseAddress.__init__(self, address)
-        _BaseV6.__init__(self, address)
-
         # Efficient constructor from integer.
         if isinstance(address, int):
             self._check_int_address(address)
@@ -1799,6 +1904,8 @@ class IPv6Address(_BaseV6, _BaseAddress):
         # Assume input argument to be string or any object representation
         # which converts into a formatted IP string.
         addr_str = str(address)
+        if '/' in addr_str:
+            raise AddressValueError("Unexpected '/' in %r" % address)
         self._ip = self._ip_int_from_string(addr_str)
 
     @property
@@ -1815,8 +1922,7 @@ class IPv6Address(_BaseV6, _BaseAddress):
             See RFC 2373 2.7 for details.
 
         """
-        multicast_network = IPv6Network('ff00::/8')
-        return self in multicast_network
+        return self in self._constants._multicast_network
 
     @property
     def is_reserved(self):
@@ -1827,16 +1933,7 @@ class IPv6Address(_BaseV6, _BaseAddress):
             reserved IPv6 Network ranges.
 
         """
-        reserved_networks = [IPv6Network('::/8'), IPv6Network('100::/8'),
-                             IPv6Network('200::/7'), IPv6Network('400::/6'),
-                             IPv6Network('800::/5'), IPv6Network('1000::/4'),
-                             IPv6Network('4000::/3'), IPv6Network('6000::/3'),
-                             IPv6Network('8000::/3'), IPv6Network('A000::/3'),
-                             IPv6Network('C000::/3'), IPv6Network('E000::/4'),
-                             IPv6Network('F000::/5'), IPv6Network('F800::/6'),
-                             IPv6Network('FE00::/9')]
-
-        return any(self in x for x in reserved_networks)
+        return any(self in x for x in self._constants._reserved_networks)
 
     @property
     def is_link_local(self):
@@ -1846,8 +1943,7 @@ class IPv6Address(_BaseV6, _BaseAddress):
             A boolean, True if the address is reserved per RFC 4291.
 
         """
-        linklocal_network = IPv6Network('fe80::/10')
-        return self in linklocal_network
+        return self in self._constants._linklocal_network
 
     @property
     def is_site_local(self):
@@ -1861,8 +1957,7 @@ class IPv6Address(_BaseV6, _BaseAddress):
             A boolean, True if the address is reserved per RFC 3513 2.5.6.
 
         """
-        sitelocal_network = IPv6Network('fec0::/10')
-        return self in sitelocal_network
+        return self in self._constants._sitelocal_network
 
     @property
     @functools.lru_cache()
@@ -1874,16 +1969,7 @@ class IPv6Address(_BaseV6, _BaseAddress):
             iana-ipv6-special-registry.
 
         """
-        return (self in IPv6Network('::1/128') or
-                self in IPv6Network('::/128') or
-                self in IPv6Network('::ffff:0:0/96') or
-                self in IPv6Network('100::/64') or
-                self in IPv6Network('2001::/23') or
-                self in IPv6Network('2001:2::/48') or
-                self in IPv6Network('2001:db8::/32') or
-                self in IPv6Network('2001:10::/28') or
-                self in IPv6Network('fc00::/7') or
-                self in IPv6Network('fe80::/10'))
+        return any(self in net for net in self._constants._private_networks)
 
     @property
     def is_global(self):
@@ -1968,6 +2054,16 @@ class IPv6Interface(IPv6Address):
             self.network = IPv6Network(self._ip)
             self._prefixlen = self._max_prefixlen
             return
+        if isinstance(address, tuple):
+            IPv6Address.__init__(self, address[0])
+            if len(address) > 1:
+                self._prefixlen = int(address[1])
+            else:
+                self._prefixlen = self._max_prefixlen
+            self.network = IPv6Network(address, strict=False)
+            self.netmask = self.network.netmask
+            self.hostmask = self.network.hostmask
+            return
 
         addr = _split_optional_netmask(address)
         IPv6Address.__init__(self, addr[0])
@@ -2006,6 +2102,8 @@ class IPv6Interface(IPv6Address):
     def __hash__(self):
         return self._ip ^ self._prefixlen ^ int(self.network.network_address)
 
+    __reduce__ = _IPAddressBase.__reduce__
+
     @property
     def ip(self):
         return IPv6Address(self._ip)
@@ -2082,21 +2180,28 @@ class IPv6Network(_BaseV6, _BaseNetwork):
               supplied.
 
         """
-        _BaseV6.__init__(self, address)
         _BaseNetwork.__init__(self, address)
 
-        # Efficient constructor from integer.
-        if isinstance(address, int):
+        # Efficient constructor from integer or packed address
+        if isinstance(address, (bytes, int)):
             self.network_address = IPv6Address(address)
-            self._prefixlen = self._max_prefixlen
-            self.netmask = IPv6Address(self._ALL_ONES)
+            self.netmask, self._prefixlen = self._make_netmask(self._max_prefixlen)
             return
 
-        # Constructing from a packed address
-        if isinstance(address, bytes):
-            self.network_address = IPv6Address(address)
-            self._prefixlen = self._max_prefixlen
-            self.netmask = IPv6Address(self._ALL_ONES)
+        if isinstance(address, tuple):
+            if len(address) > 1:
+                arg = address[1]
+            else:
+                arg = self._max_prefixlen
+            self.netmask, self._prefixlen = self._make_netmask(arg)
+            self.network_address = IPv6Address(address[0])
+            packed = int(self.network_address)
+            if packed & int(self.netmask) != packed:
+                if strict:
+                    raise ValueError('%s has host bits set' % self)
+                else:
+                    self.network_address = IPv6Address(packed &
+                                                       int(self.netmask))
             return
 
         # Assume input argument to be string or any object representation
@@ -2106,12 +2211,11 @@ class IPv6Network(_BaseV6, _BaseNetwork):
         self.network_address = IPv6Address(self._ip_int_from_string(addr[0]))
 
         if len(addr) == 2:
-            # This may raise NetmaskValueError
-            self._prefixlen = self._prefix_from_prefix_string(addr[1])
+            arg = addr[1]
         else:
-            self._prefixlen = self._max_prefixlen
+            arg = self._max_prefixlen
+        self.netmask, self._prefixlen = self._make_netmask(arg)
 
-        self.netmask = IPv6Address(self._ip_int_from_prefix(self._prefixlen))
         if strict:
             if (IPv6Address(int(self.network_address) & int(self.netmask)) !=
                 self.network_address):
@@ -2148,3 +2252,39 @@ class IPv6Network(_BaseV6, _BaseNetwork):
         """
         return (self.network_address.is_site_local and
                 self.broadcast_address.is_site_local)
+
+
+class _IPv6Constants:
+
+    _linklocal_network = IPv6Network('fe80::/10')
+
+    _multicast_network = IPv6Network('ff00::/8')
+
+    _private_networks = [
+        IPv6Network('::1/128'),
+        IPv6Network('::/128'),
+        IPv6Network('::ffff:0:0/96'),
+        IPv6Network('100::/64'),
+        IPv6Network('2001::/23'),
+        IPv6Network('2001:2::/48'),
+        IPv6Network('2001:db8::/32'),
+        IPv6Network('2001:10::/28'),
+        IPv6Network('fc00::/7'),
+        IPv6Network('fe80::/10'),
+        ]
+
+    _reserved_networks = [
+        IPv6Network('::/8'), IPv6Network('100::/8'),
+        IPv6Network('200::/7'), IPv6Network('400::/6'),
+        IPv6Network('800::/5'), IPv6Network('1000::/4'),
+        IPv6Network('4000::/3'), IPv6Network('6000::/3'),
+        IPv6Network('8000::/3'), IPv6Network('A000::/3'),
+        IPv6Network('C000::/3'), IPv6Network('E000::/4'),
+        IPv6Network('F000::/5'), IPv6Network('F800::/6'),
+        IPv6Network('FE00::/9'),
+    ]
+
+    _sitelocal_network = IPv6Network('fec0::/10')
+
+
+IPv6Address._constants = _IPv6Constants
diff --git a/Lib/json/__init__.py b/Lib/json/__init__.py
index 94f7d8c..6ce9880 100644
--- a/Lib/json/__init__.py
+++ b/Lib/json/__init__.py
@@ -98,12 +98,12 @@ Using json.tool from the shell to validate and pretty-print::
 __version__ = '2.0.9'
 __all__ = [
     'dump', 'dumps', 'load', 'loads',
-    'JSONDecoder', 'JSONEncoder',
+    'JSONDecoder', 'JSONDecodeError', 'JSONEncoder',
 ]
 
 __author__ = 'Bob Ippolito <bob@redivi.com>'
 
-from .decoder import JSONDecoder
+from .decoder import JSONDecoder, JSONDecodeError
 from .encoder import JSONEncoder
 
 _default_encoder = JSONEncoder(
@@ -311,7 +311,8 @@ def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None,
         raise TypeError('the JSON object must be str, not {!r}'.format(
                             s.__class__.__name__))
     if s.startswith(u'\ufeff'):
-        raise ValueError("Unexpected UTF-8 BOM (decode using utf-8-sig)")
+        raise JSONDecodeError("Unexpected UTF-8 BOM (decode using utf-8-sig)",
+                              s, 0)
     if (cls is None and object_hook is None and
             parse_int is None and parse_float is None and
             parse_constant is None and object_pairs_hook is None and not kw):
diff --git a/Lib/json/decoder.py b/Lib/json/decoder.py
index 59e5f41..0f03f20 100644
--- a/Lib/json/decoder.py
+++ b/Lib/json/decoder.py
@@ -8,7 +8,7 @@ try:
 except ImportError:
     c_scanstring = None
 
-__all__ = ['JSONDecoder']
+__all__ = ['JSONDecoder', 'JSONDecodeError']
 
 FLAGS = re.VERBOSE | re.MULTILINE | re.DOTALL
 
@@ -17,32 +17,30 @@ PosInf = float('inf')
 NegInf = float('-inf')
 
 
-def linecol(doc, pos):
-    if isinstance(doc, bytes):
-        newline = b'\n'
-    else:
-        newline = '\n'
-    lineno = doc.count(newline, 0, pos) + 1
-    if lineno == 1:
-        colno = pos + 1
-    else:
-        colno = pos - doc.rindex(newline, 0, pos)
-    return lineno, colno
-
-
-def errmsg(msg, doc, pos, end=None):
-    # Note that this function is called from _json
-    lineno, colno = linecol(doc, pos)
-    if end is None:
-        fmt = '{0}: line {1} column {2} (char {3})'
-        return fmt.format(msg, lineno, colno, pos)
-        #fmt = '%s: line %d column %d (char %d)'
-        #return fmt % (msg, lineno, colno, pos)
-    endlineno, endcolno = linecol(doc, end)
-    fmt = '{0}: line {1} column {2} - line {3} column {4} (char {5} - {6})'
-    return fmt.format(msg, lineno, colno, endlineno, endcolno, pos, end)
-    #fmt = '%s: line %d column %d - line %d column %d (char %d - %d)'
-    #return fmt % (msg, lineno, colno, endlineno, endcolno, pos, end)
+class JSONDecodeError(ValueError):
+    """Subclass of ValueError with the following additional properties:
+
+    msg: The unformatted error message
+    doc: The JSON document being parsed
+    pos: The start index of doc where parsing failed
+    lineno: The line corresponding to pos
+    colno: The column corresponding to pos
+
+    """
+    # Note that this exception is used from _json
+    def __init__(self, msg, doc, pos):
+        lineno = doc.count('\n', 0, pos) + 1
+        colno = pos - doc.rfind('\n', 0, pos)
+        errmsg = '%s: line %d column %d (char %d)' % (msg, lineno, colno, pos)
+        ValueError.__init__(self, errmsg)
+        self.msg = msg
+        self.doc = doc
+        self.pos = pos
+        self.lineno = lineno
+        self.colno = colno
+
+    def __reduce__(self):
+        return self.__class__, (self.msg, self.doc, self.pos)
 
 
 _CONSTANTS = {
@@ -66,7 +64,7 @@ def _decode_uXXXX(s, pos):
         except ValueError:
             pass
     msg = "Invalid \\uXXXX escape"
-    raise ValueError(errmsg(msg, s, pos))
+    raise JSONDecodeError(msg, s, pos)
 
 def py_scanstring(s, end, strict=True,
         _b=BACKSLASH, _m=STRINGCHUNK.match):
@@ -84,8 +82,7 @@ def py_scanstring(s, end, strict=True,
     while 1:
         chunk = _m(s, end)
         if chunk is None:
-            raise ValueError(
-                errmsg("Unterminated string starting at", s, begin))
+            raise JSONDecodeError("Unterminated string starting at", s, begin)
         end = chunk.end()
         content, terminator = chunk.groups()
         # Content is contains zero or more unescaped string characters
@@ -99,22 +96,21 @@ def py_scanstring(s, end, strict=True,
             if strict:
                 #msg = "Invalid control character %r at" % (terminator,)
                 msg = "Invalid control character {0!r} at".format(terminator)
-                raise ValueError(errmsg(msg, s, end))
+                raise JSONDecodeError(msg, s, end)
             else:
                 _append(terminator)
                 continue
         try:
             esc = s[end]
         except IndexError:
-            raise ValueError(
-                errmsg("Unterminated string starting at", s, begin))
+            raise JSONDecodeError("Unterminated string starting at", s, begin)
         # If not a unicode escape sequence, must be in the lookup table
         if esc != 'u':
             try:
                 char = _b[esc]
             except KeyError:
                 msg = "Invalid \\escape: {0!r}".format(esc)
-                raise ValueError(errmsg(msg, s, end))
+                raise JSONDecodeError(msg, s, end)
             end += 1
         else:
             uni = _decode_uXXXX(s, end)
@@ -163,8 +159,8 @@ def JSONObject(s_and_end, strict, scan_once, object_hook, object_pairs_hook,
                 pairs = object_hook(pairs)
             return pairs, end + 1
         elif nextchar != '"':
-            raise ValueError(errmsg(
-                "Expecting property name enclosed in double quotes", s, end))
+            raise JSONDecodeError(
+                "Expecting property name enclosed in double quotes", s, end)
     end += 1
     while True:
         key, end = scanstring(s, end, strict)
@@ -174,7 +170,7 @@ def JSONObject(s_and_end, strict, scan_once, object_hook, object_pairs_hook,
         if s[end:end + 1] != ':':
             end = _w(s, end).end()
             if s[end:end + 1] != ':':
-                raise ValueError(errmsg("Expecting ':' delimiter", s, end))
+                raise JSONDecodeError("Expecting ':' delimiter", s, end)
         end += 1
 
         try:
@@ -188,7 +184,7 @@ def JSONObject(s_and_end, strict, scan_once, object_hook, object_pairs_hook,
         try:
             value, end = scan_once(s, end)
         except StopIteration as err:
-            raise ValueError(errmsg("Expecting value", s, err.value)) from None
+            raise JSONDecodeError("Expecting value", s, err.value) from None
         pairs_append((key, value))
         try:
             nextchar = s[end]
@@ -202,13 +198,13 @@ def JSONObject(s_and_end, strict, scan_once, object_hook, object_pairs_hook,
         if nextchar == '}':
             break
         elif nextchar != ',':
-            raise ValueError(errmsg("Expecting ',' delimiter", s, end - 1))
+            raise JSONDecodeError("Expecting ',' delimiter", s, end - 1)
         end = _w(s, end).end()
         nextchar = s[end:end + 1]
         end += 1
         if nextchar != '"':
-            raise ValueError(errmsg(
-                "Expecting property name enclosed in double quotes", s, end - 1))
+            raise JSONDecodeError(
+                "Expecting property name enclosed in double quotes", s, end - 1)
     if object_pairs_hook is not None:
         result = object_pairs_hook(pairs)
         return result, end
@@ -232,7 +228,7 @@ def JSONArray(s_and_end, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
         try:
             value, end = scan_once(s, end)
         except StopIteration as err:
-            raise ValueError(errmsg("Expecting value", s, err.value)) from None
+            raise JSONDecodeError("Expecting value", s, err.value) from None
         _append(value)
         nextchar = s[end:end + 1]
         if nextchar in _ws:
@@ -242,7 +238,7 @@ def JSONArray(s_and_end, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
         if nextchar == ']':
             break
         elif nextchar != ',':
-            raise ValueError(errmsg("Expecting ',' delimiter", s, end - 1))
+            raise JSONDecodeError("Expecting ',' delimiter", s, end - 1)
         try:
             if s[end] in _ws:
                 end += 1
@@ -343,7 +339,7 @@ class JSONDecoder(object):
         obj, end = self.raw_decode(s, idx=_w(s, 0).end())
         end = _w(s, end).end()
         if end != len(s):
-            raise ValueError(errmsg("Extra data", s, end, len(s)))
+            raise JSONDecodeError("Extra data", s, end)
         return obj
 
     def raw_decode(self, s, idx=0):
@@ -358,5 +354,5 @@ class JSONDecoder(object):
         try:
             obj, end = self.scan_once(s, idx)
         except StopIteration as err:
-            raise ValueError(errmsg("Expecting value", s, err.value)) from None
+            raise JSONDecodeError("Expecting value", s, err.value) from None
         return obj, end
diff --git a/Lib/json/encoder.py b/Lib/json/encoder.py
index 0513838..26e9eb2 100644
--- a/Lib/json/encoder.py
+++ b/Lib/json/encoder.py
@@ -7,6 +7,10 @@ try:
 except ImportError:
     c_encode_basestring_ascii = None
 try:
+    from _json import encode_basestring as c_encode_basestring
+except ImportError:
+    c_encode_basestring = None
+try:
     from _json import make_encoder as c_make_encoder
 except ImportError:
     c_make_encoder = None
@@ -30,7 +34,7 @@ for i in range(0x20):
 INFINITY = float('inf')
 FLOAT_REPR = repr
 
-def encode_basestring(s):
+def py_encode_basestring(s):
     """Return a JSON representation of a Python string
 
     """
@@ -39,6 +43,9 @@ def encode_basestring(s):
     return '"' + ESCAPE.sub(replace, s) + '"'
 
 
+encode_basestring = (c_encode_basestring or py_encode_basestring)
+
+
 def py_encode_basestring_ascii(s):
     """Return an ASCII-only JSON representation of a Python string
 
diff --git a/Lib/json/tool.py b/Lib/json/tool.py
index 7db4528..4f3182c 100644
--- a/Lib/json/tool.py
+++ b/Lib/json/tool.py
@@ -10,28 +10,39 @@ Usage::
     Expecting property name enclosed in double quotes: line 1 column 3 (char 2)
 
 """
-import sys
+import argparse
+import collections
 import json
+import sys
+
 
 def main():
-    if len(sys.argv) == 1:
-        infile = sys.stdin
-        outfile = sys.stdout
-    elif len(sys.argv) == 2:
-        infile = open(sys.argv[1], 'r')
-        outfile = sys.stdout
-    elif len(sys.argv) == 3:
-        infile = open(sys.argv[1], 'r')
-        outfile = open(sys.argv[2], 'w')
-    else:
-        raise SystemExit(sys.argv[0] + " [infile [outfile]]")
+    prog = 'python -m json.tool'
+    description = ('A simple command line interface for json module '
+                   'to validate and pretty-print JSON objects.')
+    parser = argparse.ArgumentParser(prog=prog, description=description)
+    parser.add_argument('infile', nargs='?', type=argparse.FileType(),
+                        help='a JSON file to be validated or pretty-printed')
+    parser.add_argument('outfile', nargs='?', type=argparse.FileType('w'),
+                        help='write the output of infile to outfile')
+    parser.add_argument('--sort-keys', action='store_true', default=False,
+                        help='sort the output of dictionaries alphabetically by key')
+    options = parser.parse_args()
+
+    infile = options.infile or sys.stdin
+    outfile = options.outfile or sys.stdout
+    sort_keys = options.sort_keys
     with infile:
         try:
-            obj = json.load(infile)
+            if sort_keys:
+                obj = json.load(infile)
+            else:
+                obj = json.load(infile,
+                                object_pairs_hook=collections.OrderedDict)
         except ValueError as e:
             raise SystemExit(e)
     with outfile:
-        json.dump(obj, outfile, sort_keys=True, indent=4)
+        json.dump(obj, outfile, sort_keys=sort_keys, indent=4)
         outfile.write('\n')
 
 
diff --git a/Lib/lib2to3/Grammar.txt b/Lib/lib2to3/Grammar.txt
index e667bcd..ce95d26 100644
--- a/Lib/lib2to3/Grammar.txt
+++ b/Lib/lib2to3/Grammar.txt
@@ -142,7 +142,7 @@ dictsetmaker: ( (test ':' test (comp_for | (',' test ':' test)* [','])) |
 classdef: 'class' NAME ['(' [arglist] ')'] ':' suite
 
 arglist: (argument ',')* (argument [',']
-                         |'*' test (',' argument)* [',' '**' test] 
+                         |'*' test (',' argument)* [',' '**' test]
                          |'**' test)
 argument: test [comp_for] | test '=' test  # Really [keyword '='] test
 
diff --git a/Lib/linecache.py b/Lib/linecache.py
index 884cbf4..3afcce1 100644
--- a/Lib/linecache.py
+++ b/Lib/linecache.py
@@ -5,6 +5,7 @@ is not found, it will look down the module search path for a file by
 that name.
 """
 
+import functools
 import sys
 import os
 import tokenize
@@ -21,7 +22,9 @@ def getline(filename, lineno, module_globals=None):
 
 # The cache
 
-cache = {} # The cache
+# The cache. Maps filenames to either a thunk which will provide source code,
+# or a tuple (size, mtime, lines, fullname) once loaded.
+cache = {}
 
 
 def clearcache():
@@ -36,7 +39,9 @@ def getlines(filename, module_globals=None):
     Update the cache if it doesn't contain an entry for this file already."""
 
     if filename in cache:
-        return cache[filename][2]
+        entry = cache[filename]
+        if len(entry) != 1:
+            return cache[filename][2]
 
     try:
         return updatecache(filename, module_globals)
@@ -58,7 +63,11 @@ def checkcache(filename=None):
             return
 
     for filename in filenames:
-        size, mtime, lines, fullname = cache[filename]
+        entry = cache[filename]
+        if len(entry) == 1:
+            # lazy cache entry, leave it lazy.
+            continue
+        size, mtime, lines, fullname = entry
         if mtime is None:
             continue   # no-op for files loaded via a __loader__
         try:
@@ -76,7 +85,8 @@ def updatecache(filename, module_globals=None):
     and return an empty list."""
 
     if filename in cache:
-        del cache[filename]
+        if len(cache[filename]) != 1:
+            del cache[filename]
     if not filename or (filename.startswith('<') and filename.endswith('>')):
         return []
 
@@ -86,27 +96,23 @@ def updatecache(filename, module_globals=None):
     except OSError:
         basename = filename
 
-        # Try for a __loader__, if available
-        if module_globals and '__loader__' in module_globals:
-            name = module_globals.get('__name__')
-            loader = module_globals['__loader__']
-            get_source = getattr(loader, 'get_source', None)
-
-            if name and get_source:
-                try:
-                    data = get_source(name)
-                except (ImportError, OSError):
-                    pass
-                else:
-                    if data is None:
-                        # No luck, the PEP302 loader cannot find the source
-                        # for this module.
-                        return []
-                    cache[filename] = (
-                        len(data), None,
-                        [line+'\n' for line in data.splitlines()], fullname
-                    )
-                    return cache[filename][2]
+        # Realise a lazy loader based lookup if there is one
+        # otherwise try to lookup right now.
+        if lazycache(filename, module_globals):
+            try:
+                data = cache[filename][0]()
+            except (ImportError, OSError):
+                pass
+            else:
+                if data is None:
+                    # No luck, the PEP302 loader cannot find the source
+                    # for this module.
+                    return []
+                cache[filename] = (
+                    len(data), None,
+                    [line+'\n' for line in data.splitlines()], fullname
+                )
+                return cache[filename][2]
 
         # Try looking through the module search path, which is only useful
         # when handling a relative filename.
@@ -136,3 +142,36 @@ def updatecache(filename, module_globals=None):
     size, mtime = stat.st_size, stat.st_mtime
     cache[filename] = size, mtime, lines, fullname
     return lines
+
+
+def lazycache(filename, module_globals):
+    """Seed the cache for filename with module_globals.
+
+    The module loader will be asked for the source only when getlines is
+    called, not immediately.
+
+    If there is an entry in the cache already, it is not altered.
+
+    :return: True if a lazy load is registered in the cache,
+        otherwise False. To register such a load a module loader with a
+        get_source method must be found, the filename must be a cachable
+        filename, and the filename must not be already cached.
+    """
+    if filename in cache:
+        if len(cache[filename]) == 1:
+            return True
+        else:
+            return False
+    if not filename or (filename.startswith('<') and filename.endswith('>')):
+        return False
+    # Try for a __loader__, if available
+    if module_globals and '__loader__' in module_globals:
+        name = module_globals.get('__name__')
+        loader = module_globals['__loader__']
+        get_source = getattr(loader, 'get_source', None)
+
+        if name and get_source:
+            get_lines = functools.partial(get_source, name)
+            cache[filename] = (get_lines,)
+            return True
+    return False
diff --git a/Lib/locale.py b/Lib/locale.py
index 7ff4356..6b9eb3a 100644
--- a/Lib/locale.py
+++ b/Lib/locale.py
@@ -301,8 +301,8 @@ def str(val):
     """Convert float to integer, taking the locale into account."""
     return format("%.12g", val)
 
-def atof(string, func=float):
-    "Parses a string as a float according to the locale settings."
+def delocalize(string):
+    "Parses a string as a normalized number according to the locale settings."
     #First, get rid of the grouping
     ts = localeconv()['thousands_sep']
     if ts:
@@ -311,12 +311,15 @@ def atof(string, func=float):
     dd = localeconv()['decimal_point']
     if dd:
         string = string.replace(dd, '.')
-    #finally, parse the string
-    return func(string)
+    return string
+
+def atof(string, func=float):
+    "Parses a string as a float according to the locale settings."
+    return func(delocalize(string))
 
-def atoi(str):
+def atoi(string):
     "Converts a string to an integer according to the locale settings."
-    return atof(str, int)
+    return int(delocalize(string))
 
 def _test():
     setlocale(LC_ALL, "")
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 67d9d2e..104b0be 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2001-2014 by Vinay Sajip. All Rights Reserved.
+# Copyright 2001-2015 by Vinay Sajip. All Rights Reserved.
 #
 # Permission to use, copy, modify, and distribute this software and its
 # documentation for any purpose and without fee is hereby granted,
@@ -18,7 +18,7 @@
 Logging package for Python. Based on PEP 282 and comments thereto in
 comp.lang.python.
 
-Copyright (C) 2001-2014 Vinay Sajip. All Rights Reserved.
+Copyright (C) 2001-2015 Vinay Sajip. All Rights Reserved.
 
 To use, simply 'import logging' and log away!
 """
@@ -316,6 +316,8 @@ class LogRecord(object):
         return '<LogRecord: %s, %s, %s, %s, "%s">'%(self.name, self.levelno,
             self.pathname, self.lineno, self.msg)
 
+    __repr__ = __str__
+
     def getMessage(self):
         """
         Return the message for this LogRecord.
@@ -1091,7 +1093,6 @@ class PlaceHolder(object):
 #
 #   Determine which class to use when instantiating loggers.
 #
-_loggerClass = None
 
 def setLoggerClass(klass):
     """
@@ -1110,7 +1111,6 @@ def getLoggerClass():
     """
     Return the class to be used when instantiating a logger.
     """
-
     return _loggerClass
 
 class Manager(object):
@@ -1307,12 +1307,11 @@ class Logger(Filterer):
         if self.isEnabledFor(ERROR):
             self._log(ERROR, msg, args, **kwargs)
 
-    def exception(self, msg, *args, **kwargs):
+    def exception(self, msg, *args, exc_info=True, **kwargs):
         """
         Convenience method for logging an ERROR with exception information.
         """
-        kwargs['exc_info'] = True
-        self.error(msg, *args, **kwargs)
+        self.error(msg, *args, exc_info=exc_info, **kwargs)
 
     def critical(self, msg, *args, **kwargs):
         """
@@ -1407,7 +1406,9 @@ class Logger(Filterer):
         else: # pragma: no cover
             fn, lno, func = "(unknown file)", 0, "(unknown function)"
         if exc_info:
-            if not isinstance(exc_info, tuple):
+            if isinstance(exc_info, BaseException):
+                exc_info = (type(exc_info), exc_info, exc_info.__traceback__)
+            elif not isinstance(exc_info, tuple):
                 exc_info = sys.exc_info()
         record = self.makeRecord(self.name, level, fn, lno, msg, args,
                                  exc_info, func, extra, sinfo)
@@ -1617,12 +1618,11 @@ class LoggerAdapter(object):
         """
         self.log(ERROR, msg, *args, **kwargs)
 
-    def exception(self, msg, *args, **kwargs):
+    def exception(self, msg, *args, exc_info=True, **kwargs):
         """
         Delegate an exception call to the underlying logger.
         """
-        kwargs["exc_info"] = True
-        self.log(ERROR, msg, *args, **kwargs)
+        self.log(ERROR, msg, *args, exc_info=exc_info, **kwargs)
 
     def critical(self, msg, *args, **kwargs):
         """
@@ -1804,14 +1804,13 @@ def error(msg, *args, **kwargs):
         basicConfig()
     root.error(msg, *args, **kwargs)
 
-def exception(msg, *args, **kwargs):
+def exception(msg, *args, exc_info=True, **kwargs):
     """
     Log a message with severity 'ERROR' on the root logger, with exception
     information. If the logger has no handlers, basicConfig() is called to add
     a console handler with a pre-defined format.
     """
-    kwargs['exc_info'] = True
-    error(msg, *args, **kwargs)
+    error(msg, *args, exc_info=exc_info, **kwargs)
 
 def warning(msg, *args, **kwargs):
     """
diff --git a/Lib/logging/config.py b/Lib/logging/config.py
index 895fb26..8a99923 100644
--- a/Lib/logging/config.py
+++ b/Lib/logging/config.py
@@ -116,11 +116,12 @@ def _create_formatters(cp):
         sectname = "formatter_%s" % form
         fs = cp.get(sectname, "format", raw=True, fallback=None)
         dfs = cp.get(sectname, "datefmt", raw=True, fallback=None)
+        stl = cp.get(sectname, "style", raw=True, fallback='%')
         c = logging.Formatter
         class_name = cp[sectname].get("class")
         if class_name:
             c = _resolve(class_name)
-        f = c(fs, dfs)
+        f = c(fs, dfs, stl)
         formatters[form] = f
     return formatters
 
@@ -660,7 +661,12 @@ class DictConfigurator(BaseConfigurator):
             fmt = config.get('format', None)
             dfmt = config.get('datefmt', None)
             style = config.get('style', '%')
-            result = logging.Formatter(fmt, dfmt, style)
+            cname = config.get('class', None)
+            if not cname:
+                c = logging.Formatter
+            else:
+                c = _resolve(cname)
+            result = c(fmt, dfmt, style)
         return result
 
     def configure_filter(self, config):
diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index fda8093..02a5fc1 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -1,4 +1,4 @@
-# Copyright 2001-2013 by Vinay Sajip. All Rights Reserved.
+# Copyright 2001-2015 by Vinay Sajip. All Rights Reserved.
 #
 # Permission to use, copy, modify, and distribute this software and its
 # documentation for any purpose and without fee is hereby granted,
@@ -18,7 +18,7 @@
 Additional handlers for the logging package for Python. The core package is
 based on PEP 282 and comments thereto in comp.lang.python.
 
-Copyright (C) 2001-2013 Vinay Sajip. All Rights Reserved.
+Copyright (C) 2001-2015 Vinay Sajip. All Rights Reserved.
 
 To use, simply 'import logging.handlers' and log away!
 """
@@ -1355,7 +1355,7 @@ if threading:
         """
         _sentinel = None
 
-        def __init__(self, queue, *handlers):
+        def __init__(self, queue, *handlers, respect_handler_level=False):
             """
             Initialise an instance with the specified queue and
             handlers.
@@ -1364,6 +1364,7 @@ if threading:
             self.handlers = handlers
             self._stop = threading.Event()
             self._thread = None
+            self.respect_handler_level = respect_handler_level
 
         def dequeue(self, block):
             """
@@ -1404,7 +1405,12 @@ if threading:
             """
             record = self.prepare(record)
             for handler in self.handlers:
-                handler.handle(record)
+                if not self.respect_handler_level:
+                    process = True
+                else:
+                    process = record.levelno >= handler.level
+                if process:
+                    handler.handle(record)
 
         def _monitor(self):
             """
diff --git a/Lib/lzma.py b/Lib/lzma.py
index f1d3958..89528b6 100644
--- a/Lib/lzma.py
+++ b/Lib/lzma.py
@@ -25,17 +25,16 @@ import builtins
 import io
 from _lzma import *
 from _lzma import _encode_filter_properties, _decode_filter_properties
+import _compression
 
 
 _MODE_CLOSED   = 0
 _MODE_READ     = 1
-_MODE_READ_EOF = 2
+# Value 2 no longer used
 _MODE_WRITE    = 3
 
-_BUFFER_SIZE = 8192
 
-
-class LZMAFile(io.BufferedIOBase):
+class LZMAFile(_compression.BaseStream):
 
     """A file object providing transparent LZMA (de)compression.
 
@@ -92,8 +91,6 @@ class LZMAFile(io.BufferedIOBase):
         self._fp = None
         self._closefp = False
         self._mode = _MODE_CLOSED
-        self._pos = 0
-        self._size = -1
 
         if mode in ("r", "rb"):
             if check != -1:
@@ -105,19 +102,13 @@ class LZMAFile(io.BufferedIOBase):
             if format is None:
                 format = FORMAT_AUTO
             mode_code = _MODE_READ
-            # Save the args to pass to the LZMADecompressor initializer.
-            # If the file contains multiple compressed streams, each
-            # stream will need a separate decompressor object.
-            self._init_args = {"format":format, "filters":filters}
-            self._decompressor = LZMADecompressor(**self._init_args)
-            self._buffer = b""
-            self._buffer_offset = 0
         elif mode in ("w", "wb", "a", "ab", "x", "xb"):
             if format is None:
                 format = FORMAT_XZ
             mode_code = _MODE_WRITE
             self._compressor = LZMACompressor(format=format, check=check,
                                               preset=preset, filters=filters)
+            self._pos = 0
         else:
             raise ValueError("Invalid mode: {!r}".format(mode))
 
@@ -133,6 +124,11 @@ class LZMAFile(io.BufferedIOBase):
         else:
             raise TypeError("filename must be a str or bytes object, or a file")
 
+        if self._mode == _MODE_READ:
+            raw = _compression.DecompressReader(self._fp, LZMADecompressor,
+                trailing_error=LZMAError, format=format, filters=filters)
+            self._buffer = io.BufferedReader(raw)
+
     def close(self):
         """Flush and close the file.
 
@@ -142,9 +138,9 @@ class LZMAFile(io.BufferedIOBase):
         if self._mode == _MODE_CLOSED:
             return
         try:
-            if self._mode in (_MODE_READ, _MODE_READ_EOF):
-                self._decompressor = None
-                self._buffer = b""
+            if self._mode == _MODE_READ:
+                self._buffer.close()
+                self._buffer = None
             elif self._mode == _MODE_WRITE:
                 self._fp.write(self._compressor.flush())
                 self._compressor = None
@@ -169,123 +165,18 @@ class LZMAFile(io.BufferedIOBase):
 
     def seekable(self):
         """Return whether the file supports seeking."""
-        return self.readable() and self._fp.seekable()
+        return self.readable() and self._buffer.seekable()
 
     def readable(self):
         """Return whether the file was opened for reading."""
         self._check_not_closed()
-        return self._mode in (_MODE_READ, _MODE_READ_EOF)
+        return self._mode == _MODE_READ
 
     def writable(self):
         """Return whether the file was opened for writing."""
         self._check_not_closed()
         return self._mode == _MODE_WRITE
 
-    # Mode-checking helper functions.
-
-    def _check_not_closed(self):
-        if self.closed:
-            raise ValueError("I/O operation on closed file")
-
-    def _check_can_read(self):
-        if self._mode not in (_MODE_READ, _MODE_READ_EOF):
-            self._check_not_closed()
-            raise io.UnsupportedOperation("File not open for reading")
-
-    def _check_can_write(self):
-        if self._mode != _MODE_WRITE:
-            self._check_not_closed()
-            raise io.UnsupportedOperation("File not open for writing")
-
-    def _check_can_seek(self):
-        if self._mode not in (_MODE_READ, _MODE_READ_EOF):
-            self._check_not_closed()
-            raise io.UnsupportedOperation("Seeking is only supported "
-                                          "on files open for reading")
-        if not self._fp.seekable():
-            raise io.UnsupportedOperation("The underlying file object "
-                                          "does not support seeking")
-
-    # Fill the readahead buffer if it is empty. Returns False on EOF.
-    def _fill_buffer(self):
-        if self._mode == _MODE_READ_EOF:
-            return False
-        # Depending on the input data, our call to the decompressor may not
-        # return any data. In this case, try again after reading another block.
-        while self._buffer_offset == len(self._buffer):
-            rawblock = (self._decompressor.unused_data or
-                        self._fp.read(_BUFFER_SIZE))
-
-            if not rawblock:
-                if self._decompressor.eof:
-                    self._mode = _MODE_READ_EOF
-                    self._size = self._pos
-                    return False
-                else:
-                    raise EOFError("Compressed file ended before the "
-                                   "end-of-stream marker was reached")
-
-            if self._decompressor.eof:
-                # Continue to next stream.
-                self._decompressor = LZMADecompressor(**self._init_args)
-                try:
-                    self._buffer = self._decompressor.decompress(rawblock)
-                except LZMAError:
-                    # Trailing data isn't a valid compressed stream; ignore it.
-                    self._mode = _MODE_READ_EOF
-                    self._size = self._pos
-                    return False
-            else:
-                self._buffer = self._decompressor.decompress(rawblock)
-            self._buffer_offset = 0
-        return True
-
-    # Read data until EOF.
-    # If return_data is false, consume the data without returning it.
-    def _read_all(self, return_data=True):
-        # The loop assumes that _buffer_offset is 0. Ensure that this is true.
-        self._buffer = self._buffer[self._buffer_offset:]
-        self._buffer_offset = 0
-
-        blocks = []
-        while self._fill_buffer():
-            if return_data:
-                blocks.append(self._buffer)
-            self._pos += len(self._buffer)
-            self._buffer = b""
-        if return_data:
-            return b"".join(blocks)
-
-    # Read a block of up to n bytes.
-    # If return_data is false, consume the data without returning it.
-    def _read_block(self, n, return_data=True):
-        # If we have enough data buffered, return immediately.
-        end = self._buffer_offset + n
-        if end <= len(self._buffer):
-            data = self._buffer[self._buffer_offset : end]
-            self._buffer_offset = end
-            self._pos += len(data)
-            return data if return_data else None
-
-        # The loop assumes that _buffer_offset is 0. Ensure that this is true.
-        self._buffer = self._buffer[self._buffer_offset:]
-        self._buffer_offset = 0
-
-        blocks = []
-        while n > 0 and self._fill_buffer():
-            if n < len(self._buffer):
-                data = self._buffer[:n]
-                self._buffer_offset = n
-            else:
-                data = self._buffer
-                self._buffer = b""
-            if return_data:
-                blocks.append(data)
-            self._pos += len(data)
-            n -= len(data)
-        if return_data:
-            return b"".join(blocks)
-
     def peek(self, size=-1):
         """Return buffered data without advancing the file position.
 
@@ -293,9 +184,9 @@ class LZMAFile(io.BufferedIOBase):
         The exact number of bytes returned is unspecified.
         """
         self._check_can_read()
-        if not self._fill_buffer():
-            return b""
-        return self._buffer[self._buffer_offset:]
+        # Relies on the undocumented fact that BufferedReader.peek() always
+        # returns at least one byte (except at EOF)
+        return self._buffer.peek(size)
 
     def read(self, size=-1):
         """Read up to size uncompressed bytes from the file.
@@ -304,38 +195,19 @@ class LZMAFile(io.BufferedIOBase):
         Returns b"" if the file is already at EOF.
         """
         self._check_can_read()
-        if size == 0:
-            return b""
-        elif size < 0:
-            return self._read_all()
-        else:
-            return self._read_block(size)
+        return self._buffer.read(size)
 
     def read1(self, size=-1):
         """Read up to size uncompressed bytes, while trying to avoid
-        making multiple reads from the underlying stream.
+        making multiple reads from the underlying stream. Reads up to a
+        buffer's worth of data if size is negative.
 
         Returns b"" if the file is at EOF.
         """
-        # Usually, read1() calls _fp.read() at most once. However, sometimes
-        # this does not give enough data for the decompressor to make progress.
-        # In this case we make multiple reads, to avoid returning b"".
         self._check_can_read()
-        if (size == 0 or
-            # Only call _fill_buffer() if the buffer is actually empty.
-            # This gives a significant speedup if *size* is small.
-            (self._buffer_offset == len(self._buffer) and not self._fill_buffer())):
-            return b""
-        if size > 0:
-            data = self._buffer[self._buffer_offset :
-                                self._buffer_offset + size]
-            self._buffer_offset += len(data)
-        else:
-            data = self._buffer[self._buffer_offset:]
-            self._buffer = b""
-            self._buffer_offset = 0
-        self._pos += len(data)
-        return data
+        if size < 0:
+            size = io.DEFAULT_BUFFER_SIZE
+        return self._buffer.read1(size)
 
     def readline(self, size=-1):
         """Read a line of uncompressed bytes from the file.
@@ -345,15 +217,7 @@ class LZMAFile(io.BufferedIOBase):
         case the line may be incomplete). Returns b'' if already at EOF.
         """
         self._check_can_read()
-        # Shortcut for the common case - the whole line is in the buffer.
-        if size < 0:
-            end = self._buffer.find(b"\n", self._buffer_offset) + 1
-            if end > 0:
-                line = self._buffer[self._buffer_offset : end]
-                self._buffer_offset = end
-                self._pos += len(line)
-                return line
-        return io.BufferedIOBase.readline(self, size)
+        return self._buffer.readline(size)
 
     def write(self, data):
         """Write a bytes object to the file.
@@ -368,16 +232,7 @@ class LZMAFile(io.BufferedIOBase):
         self._pos += len(data)
         return len(data)
 
-    # Rewind the file to the beginning of the data stream.
-    def _rewind(self):
-        self._fp.seek(0, 0)
-        self._mode = _MODE_READ
-        self._pos = 0
-        self._decompressor = LZMADecompressor(**self._init_args)
-        self._buffer = b""
-        self._buffer_offset = 0
-
-    def seek(self, offset, whence=0):
+    def seek(self, offset, whence=io.SEEK_SET):
         """Change the file position.
 
         The new position is specified by offset, relative to the
@@ -389,38 +244,17 @@ class LZMAFile(io.BufferedIOBase):
 
         Returns the new file position.
 
-        Note that seeking is emulated, sp depending on the parameters,
+        Note that seeking is emulated, so depending on the parameters,
         this operation may be extremely slow.
         """
         self._check_can_seek()
-
-        # Recalculate offset as an absolute file position.
-        if whence == 0:
-            pass
-        elif whence == 1:
-            offset = self._pos + offset
-        elif whence == 2:
-            # Seeking relative to EOF - we need to know the file's size.
-            if self._size < 0:
-                self._read_all(return_data=False)
-            offset = self._size + offset
-        else:
-            raise ValueError("Invalid value for whence: {}".format(whence))
-
-        # Make it so that offset is the number of bytes to skip forward.
-        if offset < self._pos:
-            self._rewind()
-        else:
-            offset -= self._pos
-
-        # Read and discard data until we reach the desired position.
-        self._read_block(offset, return_data=False)
-
-        return self._pos
+        return self._buffer.seek(offset, whence)
 
     def tell(self):
         """Return the current file position."""
         self._check_not_closed()
+        if self._mode == _MODE_READ:
+            return self._buffer.tell()
         return self._pos
 
 
diff --git a/Lib/macpath.py b/Lib/macpath.py
index 5ca0097..dbcf368 100644
--- a/Lib/macpath.py
+++ b/Lib/macpath.py
@@ -50,20 +50,24 @@ def isabs(s):
 
 
 def join(s, *p):
-    colon = _get_colon(s)
-    path = s
-    for t in p:
-        if (not path) or isabs(t):
-            path = t
-            continue
-        if t[:1] == colon:
-            t = t[1:]
-        if colon not in path:
-            path = colon + path
-        if path[-1:] != colon:
-            path = path + colon
-        path = path + t
-    return path
+    try:
+        colon = _get_colon(s)
+        path = s
+        for t in p:
+            if (not path) or isabs(t):
+                path = t
+                continue
+            if t[:1] == colon:
+                t = t[1:]
+            if colon not in path:
+                path = colon + path
+            if path[-1:] != colon:
+                path = path + colon
+            path = path + t
+        return path
+    except (TypeError, AttributeError, BytesWarning):
+        genericpath._check_arg_types('join', s, *p)
+        raise
 
 
 def split(s):
diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index 4e42ad2..24d4aec 100644
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -1234,8 +1234,8 @@ class MH(Mailbox):
 class Babyl(_singlefileMailbox):
     """An Rmail-style Babyl mailbox."""
 
-    _special_labels = frozenset(('unseen', 'deleted', 'filed', 'answered',
-                                 'forwarded', 'edited', 'resent'))
+    _special_labels = frozenset({'unseen', 'deleted', 'filed', 'answered',
+                                 'forwarded', 'edited', 'resent'})
 
     def __init__(self, path, factory=None, create=True):
         """Initialize a Babyl mailbox."""
@@ -1953,7 +1953,7 @@ class _ProxyFile:
         while True:
             line = self.readline()
             if not line:
-                raise StopIteration
+                return
             yield line
 
     def tell(self):
@@ -1970,9 +1970,11 @@ class _ProxyFile:
     def close(self):
         """Close the file."""
         if hasattr(self, '_file'):
-            if hasattr(self._file, 'close'):
-                self._file.close()
-            del self._file
+            try:
+                if hasattr(self._file, 'close'):
+                    self._file.close()
+            finally:
+                del self._file
 
     def _read(self, size, read_method):
         """Read size bytes using read_method."""
diff --git a/Lib/modulefinder.py b/Lib/modulefinder.py
index b778e60..5d2c06d 100644
--- a/Lib/modulefinder.py
+++ b/Lib/modulefinder.py
@@ -223,7 +223,7 @@ class ModuleFinder:
         if not m.__path__:
             return
         modules = {}
-        # 'suffixes' used to be a list hardcoded to [".py", ".pyc", ".pyo"].
+        # 'suffixes' used to be a list hardcoded to [".py", ".pyc"].
         # But we must also collect Python extension modules - although
         # we cannot separate normal dlls from Python extensions.
         suffixes = []
diff --git a/Lib/msilib/__init__.py b/Lib/msilib/__init__.py
index d29a593..873560d 100644
--- a/Lib/msilib/__init__.py
+++ b/Lib/msilib/__init__.py
@@ -361,7 +361,7 @@ class Directory:
         #             [(logical, 0, filehash.IntegerData(1),
         #               filehash.IntegerData(2), filehash.IntegerData(3),
         #               filehash.IntegerData(4))])
-        # Automatically remove .pyc/.pyo files on uninstall (2)
+        # Automatically remove .pyc files on uninstall (2)
         # XXX: adding so many RemoveFile entries makes installer unbelievably
         # slow. So instead, we have to use wildcard remove entries
         if file.endswith(".py"):
@@ -382,10 +382,9 @@ class Directory:
         return files
 
     def remove_pyc(self):
-        "Remove .pyc/.pyo files on uninstall"
+        "Remove .pyc files on uninstall"
         add_data(self.db, "RemoveFile",
-                 [(self.component+"c", self.component, "*.pyc", self.logical, 2),
-                  (self.component+"o", self.component, "*.pyo", self.logical, 2)])
+                 [(self.component+"c", self.component, "*.pyc", self.logical, 2)])
 
 class Binary:
     def __init__(self, fname):
diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index 1eb1a8d..4c32237 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -365,10 +365,7 @@ class Connection(_ConnectionBase):
     def _send(self, buf, write=_write):
         remaining = len(buf)
         while True:
-            try:
-                n = write(self._handle, buf)
-            except InterruptedError:
-                continue
+            n = write(self._handle, buf)
             remaining -= n
             if remaining == 0:
                 break
@@ -379,10 +376,7 @@ class Connection(_ConnectionBase):
         handle = self._handle
         remaining = size
         while remaining > 0:
-            try:
-                chunk = read(handle, remaining)
-            except InterruptedError:
-                continue
+            chunk = read(handle, remaining)
             n = len(chunk)
             if n == 0:
                 if remaining == size:
@@ -400,17 +394,14 @@ class Connection(_ConnectionBase):
         if n > 16384:
             # The payload is large so Nagle's algorithm won't be triggered
             # and we'd better avoid the cost of concatenation.
-            chunks = [header, buf]
-        elif n > 0:
+            self._send(header)
+            self._send(buf)
+        else:
             # Issue # 20540: concatenate before sending, to avoid delays due
             # to Nagle's algorithm on a TCP socket.
-            chunks = [header + buf]
-        else:
-            # This code path is necessary to avoid "broken pipe" errors
-            # when sending a 0-length buffer if the other end closed the pipe.
-            chunks = [header]
-        for chunk in chunks:
-            self._send(chunk)
+            # Also note we want to avoid sending a 0-length buffer separately,
+            # to avoid "broken pipe" errors if the other end closed the pipe.
+            self._send(header + buf)
 
     def _recv_bytes(self, maxsize=None):
         buf = self._recv(4)
@@ -599,13 +590,7 @@ class SocketListener(object):
             self._unlink = None
 
     def accept(self):
-        while True:
-            try:
-                s, self._last_accepted = self._socket.accept()
-            except InterruptedError:
-                pass
-            else:
-                break
+        s, self._last_accepted = self._socket.accept()
         s.setblocking(True)
         return Connection(s.detach())
 
diff --git a/Lib/multiprocessing/dummy/__init__.py b/Lib/multiprocessing/dummy/__init__.py
index 135db7f..1abea64 100644
--- a/Lib/multiprocessing/dummy/__init__.py
+++ b/Lib/multiprocessing/dummy/__init__.py
@@ -86,7 +86,7 @@ class Namespace(object):
             if not name.startswith('_'):
                 temp.append('%s=%r' % (name, value))
         temp.sort()
-        return 'Namespace(%s)' % str.join(', ', temp)
+        return '%s(%s)' % (self.__class__.__name__, ', '.join(temp))
 
 dict = dict
 list = list
diff --git a/Lib/multiprocessing/dummy/connection.py b/Lib/multiprocessing/dummy/connection.py
index 694ef96..1984375 100644
--- a/Lib/multiprocessing/dummy/connection.py
+++ b/Lib/multiprocessing/dummy/connection.py
@@ -59,9 +59,8 @@ class Connection(object):
             return True
         if timeout <= 0.0:
             return False
-        self._in.not_empty.acquire()
-        self._in.not_empty.wait(timeout)
-        self._in.not_empty.release()
+        with self._in.not_empty:
+            self._in.not_empty.wait(timeout)
         return self._in.qsize() > 0
 
     def close(self):
diff --git a/Lib/multiprocessing/forkserver.py b/Lib/multiprocessing/forkserver.py
index 387517e..b27cba5 100644
--- a/Lib/multiprocessing/forkserver.py
+++ b/Lib/multiprocessing/forkserver.py
@@ -107,7 +107,7 @@ class ForkServer(object):
                 address = connection.arbitrary_address('AF_UNIX')
                 listener.bind(address)
                 os.chmod(address, 0o600)
-                listener.listen(100)
+                listener.listen()
 
                 # all client processes own the write end of the "alive" pipe;
                 # when they all terminate the read end becomes ready.
@@ -188,8 +188,6 @@ def main(listener_fd, alive_r, preload, main_path=None, sys_path=None):
                         finally:
                             os._exit(code)
 
-            except InterruptedError:
-                pass
             except OSError as e:
                 if e.errno != errno.ECONNABORTED:
                     raise
@@ -230,13 +228,7 @@ def read_unsigned(fd):
     data = b''
     length = UNSIGNED_STRUCT.size
     while len(data) < length:
-        while True:
-            try:
-                s = os.read(fd, length - len(data))
-            except InterruptedError:
-                pass
-            else:
-                break
+        s = os.read(fd, length - len(data))
         if not s:
             raise EOFError('unexpected EOF')
         data += s
@@ -245,13 +237,7 @@ def read_unsigned(fd):
 def write_unsigned(fd, n):
     msg = UNSIGNED_STRUCT.pack(n)
     while msg:
-        while True:
-            try:
-                nbytes = os.write(fd, msg)
-            except InterruptedError:
-                pass
-            else:
-                break
+        nbytes = os.write(fd, msg)
         if nbytes == 0:
             raise RuntimeError('should not get here')
         msg = msg[nbytes:]
diff --git a/Lib/multiprocessing/heap.py b/Lib/multiprocessing/heap.py
index 344a45f..44d9638 100644
--- a/Lib/multiprocessing/heap.py
+++ b/Lib/multiprocessing/heap.py
@@ -54,7 +54,9 @@ if sys.platform == 'win32':
         def __setstate__(self, state):
             self.size, self.name = self._state = state
             self.buffer = mmap.mmap(-1, self.size, tagname=self.name)
-            assert _winapi.GetLastError() == _winapi.ERROR_ALREADY_EXISTS
+            # XXX Temporarily preventing buildbot failures while determining
+            # XXX the correct long-term fix. See issue 23060
+            #assert _winapi.GetLastError() == _winapi.ERROR_ALREADY_EXISTS
 
 else:
 
@@ -69,7 +71,14 @@ else:
                 os.unlink(name)
                 util.Finalize(self, os.close, (self.fd,))
                 with open(self.fd, 'wb', closefd=False) as f:
-                    f.write(b'\0'*size)
+                    bs = 1024 * 1024
+                    if size >= bs:
+                        zeros = b'\0' * bs
+                        for _ in range(size // bs):
+                            f.write(zeros)
+                        del zeros
+                    f.write(b'\0' * (size % bs))
+                    assert f.tell() == size
             self.buffer = mmap.mmap(self.fd, self.size)
 
     def reduce_arena(a):
@@ -216,9 +225,8 @@ class Heap(object):
         assert 0 <= size < sys.maxsize
         if os.getpid() != self._lastpid:
             self.__init__()                     # reinitialize after fork
-        self._lock.acquire()
-        self._free_pending_blocks()
-        try:
+        with self._lock:
+            self._free_pending_blocks()
             size = self._roundup(max(size,1), self._alignment)
             (arena, start, stop) = self._malloc(size)
             new_stop = start + size
@@ -227,8 +235,6 @@ class Heap(object):
             block = (arena, start, new_stop)
             self._allocated_blocks.add(block)
             return block
-        finally:
-            self._lock.release()
 
 #
 # Class representing a chunk of an mmap -- can be inherited by child process
diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
index 66d46fc..776656e 100644
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -65,8 +65,8 @@ class Token(object):
         (self.typeid, self.address, self.id) = state
 
     def __repr__(self):
-        return 'Token(typeid=%r, address=%r, id=%r)' % \
-               (self.typeid, self.address, self.id)
+        return '%s(typeid=%r, address=%r, id=%r)' % \
+               (self.__class__.__name__, self.typeid, self.address, self.id)
 
 #
 # Function for communication with a manager's server process
@@ -306,8 +306,7 @@ class Server(object):
         '''
         Return some info --- useful to spot problems with refcounting
         '''
-        self.mutex.acquire()
-        try:
+        with self.mutex:
             result = []
             keys = list(self.id_to_obj.keys())
             keys.sort()
@@ -317,8 +316,6 @@ class Server(object):
                                   (ident, self.id_to_refcount[ident],
                                    str(self.id_to_obj[ident][0])[:75]))
             return '\n'.join(result)
-        finally:
-            self.mutex.release()
 
     def number_of_objects(self, c):
         '''
@@ -343,8 +340,7 @@ class Server(object):
         '''
         Create a new shared object and return its id
         '''
-        self.mutex.acquire()
-        try:
+        with self.mutex:
             callable, exposed, method_to_typeid, proxytype = \
                       self.registry[typeid]
 
@@ -374,8 +370,6 @@ class Server(object):
             # has been created.
             self.incref(c, ident)
             return ident, tuple(exposed)
-        finally:
-            self.mutex.release()
 
     def get_methods(self, c, token):
         '''
@@ -392,22 +386,16 @@ class Server(object):
         self.serve_client(c)
 
     def incref(self, c, ident):
-        self.mutex.acquire()
-        try:
+        with self.mutex:
             self.id_to_refcount[ident] += 1
-        finally:
-            self.mutex.release()
 
     def decref(self, c, ident):
-        self.mutex.acquire()
-        try:
+        with self.mutex:
             assert self.id_to_refcount[ident] >= 1
             self.id_to_refcount[ident] -= 1
             if self.id_to_refcount[ident] == 0:
                 del self.id_to_obj[ident], self.id_to_refcount[ident]
                 util.debug('disposing of obj with id %r', ident)
-        finally:
-            self.mutex.release()
 
 #
 # Class to represent state of a manager
@@ -671,14 +659,11 @@ class BaseProxy(object):
 
     def __init__(self, token, serializer, manager=None,
                  authkey=None, exposed=None, incref=True):
-        BaseProxy._mutex.acquire()
-        try:
+        with BaseProxy._mutex:
             tls_idset = BaseProxy._address_to_local.get(token.address, None)
             if tls_idset is None:
                 tls_idset = util.ForkAwareLocal(), ProcessLocalSet()
                 BaseProxy._address_to_local[token.address] = tls_idset
-        finally:
-            BaseProxy._mutex.release()
 
         # self._tls is used to record the connection used by this
         # thread to communicate with the manager at token.address
@@ -818,8 +803,8 @@ class BaseProxy(object):
         return self._getvalue()
 
     def __repr__(self):
-        return '<%s object, typeid %r at %s>' % \
-               (type(self).__name__, self._token.typeid, '0x%x' % id(self))
+        return '<%s object, typeid %r at %#x>' % \
+               (type(self).__name__, self._token.typeid, id(self))
 
     def __str__(self):
         '''
@@ -916,7 +901,7 @@ class Namespace(object):
             if not name.startswith('_'):
                 temp.append('%s=%r' % (name, value))
         temp.sort()
-        return 'Namespace(%s)' % str.join(', ', temp)
+        return '%s(%s)' % (self.__class__.__name__, ', '.join(temp))
 
 class Value(object):
     def __init__(self, typecode, value, lock=True):
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py
index db6e3e1..6d25469 100644
--- a/Lib/multiprocessing/pool.py
+++ b/Lib/multiprocessing/pool.py
@@ -87,7 +87,7 @@ class MaybeEncodingError(Exception):
                                                              self.exc)
 
     def __repr__(self):
-        return "<MaybeEncodingError: %s>" % str(self)
+        return "<%s: %s>" % (self.__class__.__name__, self)
 
 
 def worker(inqueue, outqueue, initializer=None, initargs=(), maxtasks=None,
@@ -675,8 +675,7 @@ class IMapIterator(object):
         return self
 
     def next(self, timeout=None):
-        self._cond.acquire()
-        try:
+        with self._cond:
             try:
                 item = self._items.popleft()
             except IndexError:
@@ -689,8 +688,6 @@ class IMapIterator(object):
                     if self._index == self._length:
                         raise StopIteration
                     raise TimeoutError
-        finally:
-            self._cond.release()
 
         success, value = item
         if success:
@@ -700,8 +697,7 @@ class IMapIterator(object):
     __next__ = next                    # XXX
 
     def _set(self, i, obj):
-        self._cond.acquire()
-        try:
+        with self._cond:
             if self._index == i:
                 self._items.append(obj)
                 self._index += 1
@@ -715,18 +711,13 @@ class IMapIterator(object):
 
             if self._index == self._length:
                 del self._cache[self._job]
-        finally:
-            self._cond.release()
 
     def _set_length(self, length):
-        self._cond.acquire()
-        try:
+        with self._cond:
             self._length = length
             if self._index == self._length:
                 self._cond.notify()
                 del self._cache[self._job]
-        finally:
-            self._cond.release()
 
 #
 # Class whose instances are returned by `Pool.imap_unordered()`
@@ -735,15 +726,12 @@ class IMapIterator(object):
 class IMapUnorderedIterator(IMapIterator):
 
     def _set(self, i, obj):
-        self._cond.acquire()
-        try:
+        with self._cond:
             self._items.append(obj)
             self._index += 1
             self._cond.notify()
             if self._index == self._length:
                 del self._cache[self._job]
-        finally:
-            self._cond.release()
 
 #
 #
@@ -769,10 +757,7 @@ class ThreadPool(Pool):
     @staticmethod
     def _help_stuff_finish(inqueue, task_handler, size):
         # put sentinels at head of inqueue to make workers finish
-        inqueue.not_empty.acquire()
-        try:
+        with inqueue.not_empty:
             inqueue.queue.clear()
             inqueue.queue.extend([None] * size)
             inqueue.not_empty.notify_all()
-        finally:
-            inqueue.not_empty.release()
diff --git a/Lib/multiprocessing/popen_fork.py b/Lib/multiprocessing/popen_fork.py
index 367e72e..d2ebd7c 100644
--- a/Lib/multiprocessing/popen_fork.py
+++ b/Lib/multiprocessing/popen_fork.py
@@ -1,7 +1,6 @@
 import os
 import sys
 import signal
-import errno
 
 from . import util
 
@@ -29,8 +28,6 @@ class Popen(object):
                 try:
                     pid, sts = os.waitpid(self.pid, flag)
                 except OSError as e:
-                    if e.errno == errno.EINTR:
-                        continue
                     # Child process not yet created. See #1731717
                     # e.errno == errno.ECHILD == 10
                     return None
diff --git a/Lib/multiprocessing/queues.py b/Lib/multiprocessing/queues.py
index 293ad76..786a303 100644
--- a/Lib/multiprocessing/queues.py
+++ b/Lib/multiprocessing/queues.py
@@ -82,14 +82,11 @@ class Queue(object):
         if not self._sem.acquire(block, timeout):
             raise Full
 
-        self._notempty.acquire()
-        try:
+        with self._notempty:
             if self._thread is None:
                 self._start_thread()
             self._buffer.append(obj)
             self._notempty.notify()
-        finally:
-            self._notempty.release()
 
     def get(self, block=True, timeout=None):
         if block and timeout is None:
@@ -206,12 +203,9 @@ class Queue(object):
     @staticmethod
     def _finalize_close(buffer, notempty):
         debug('telling queue thread to quit')
-        notempty.acquire()
-        try:
+        with notempty:
             buffer.append(_sentinel)
             notempty.notify()
-        finally:
-            notempty.release()
 
     @staticmethod
     def _feed(buffer, notempty, send_bytes, writelock, close, ignore_epipe):
@@ -300,35 +294,24 @@ class JoinableQueue(Queue):
         if not self._sem.acquire(block, timeout):
             raise Full
 
-        self._notempty.acquire()
-        self._cond.acquire()
-        try:
+        with self._notempty, self._cond:
             if self._thread is None:
                 self._start_thread()
             self._buffer.append(obj)
             self._unfinished_tasks.release()
             self._notempty.notify()
-        finally:
-            self._cond.release()
-            self._notempty.release()
 
     def task_done(self):
-        self._cond.acquire()
-        try:
+        with self._cond:
             if not self._unfinished_tasks.acquire(False):
                 raise ValueError('task_done() called too many times')
             if self._unfinished_tasks._semlock._is_zero():
                 self._cond.notify_all()
-        finally:
-            self._cond.release()
 
     def join(self):
-        self._cond.acquire()
-        try:
+        with self._cond:
             if not self._unfinished_tasks._semlock._is_zero():
                 self._cond.wait()
-        finally:
-            self._cond.release()
 
 #
 # Simplified Queue type -- really just a locked pipe
diff --git a/Lib/multiprocessing/sharedctypes.py b/Lib/multiprocessing/sharedctypes.py
index 0c17825..4258f59 100644
--- a/Lib/multiprocessing/sharedctypes.py
+++ b/Lib/multiprocessing/sharedctypes.py
@@ -188,6 +188,12 @@ class SynchronizedBase(object):
         self.acquire = self._lock.acquire
         self.release = self._lock.release
 
+    def __enter__(self):
+        return self._lock.__enter__()
+
+    def __exit__(self, *args):
+        return self._lock.__exit__(*args)
+
     def __reduce__(self):
         assert_spawning(self)
         return synchronized, (self._obj, self._lock)
@@ -212,32 +218,20 @@ class SynchronizedArray(SynchronizedBase):
         return len(self._obj)
 
     def __getitem__(self, i):
-        self.acquire()
-        try:
+        with self:
             return self._obj[i]
-        finally:
-            self.release()
 
     def __setitem__(self, i, value):
-        self.acquire()
-        try:
+        with self:
             self._obj[i] = value
-        finally:
-            self.release()
 
     def __getslice__(self, start, stop):
-        self.acquire()
-        try:
+        with self:
             return self._obj[start:stop]
-        finally:
-            self.release()
 
     def __setslice__(self, start, stop, values):
-        self.acquire()
-        try:
+        with self:
             self._obj[start:stop] = values
-        finally:
-            self.release()
 
 
 class SynchronizedString(SynchronizedArray):
diff --git a/Lib/multiprocessing/synchronize.py b/Lib/multiprocessing/synchronize.py
index dea1cbd..d4bdf0e 100644
--- a/Lib/multiprocessing/synchronize.py
+++ b/Lib/multiprocessing/synchronize.py
@@ -134,7 +134,7 @@ class Semaphore(SemLock):
             value = self._semlock._get_value()
         except Exception:
             value = 'unknown'
-        return '<Semaphore(value=%s)>' % value
+        return '<%s(value=%s)>' % (self.__class__.__name__, value)
 
 #
 # Bounded semaphore
@@ -150,8 +150,8 @@ class BoundedSemaphore(Semaphore):
             value = self._semlock._get_value()
         except Exception:
             value = 'unknown'
-        return '<BoundedSemaphore(value=%s, maxvalue=%s)>' % \
-               (value, self._semlock.maxvalue)
+        return '<%s(value=%s, maxvalue=%s)>' % \
+               (self.__class__.__name__, value, self._semlock.maxvalue)
 
 #
 # Non-recursive lock
@@ -176,7 +176,7 @@ class Lock(SemLock):
                 name = 'SomeOtherProcess'
         except Exception:
             name = 'unknown'
-        return '<Lock(owner=%s)>' % name
+        return '<%s(owner=%s)>' % (self.__class__.__name__, name)
 
 #
 # Recursive lock
@@ -202,7 +202,7 @@ class RLock(SemLock):
                 name, count = 'SomeOtherProcess', 'nonzero'
         except Exception:
             name, count = 'unknown', 'unknown'
-        return '<RLock(%s, %s)>' % (name, count)
+        return '<%s(%s, %s)>' % (self.__class__.__name__, name, count)
 
 #
 # Condition variable
@@ -243,7 +243,7 @@ class Condition(object):
                            self._woken_count._semlock._get_value())
         except Exception:
             num_waiters = 'unknown'
-        return '<Condition(%s, %s)>' % (self._lock, num_waiters)
+        return '<%s(%s, %s)>' % (self.__class__.__name__, self._lock, num_waiters)
 
     def wait(self, timeout=None):
         assert self._lock._semlock._is_mine(), \
@@ -337,34 +337,24 @@ class Event(object):
         self._flag = ctx.Semaphore(0)
 
     def is_set(self):
-        self._cond.acquire()
-        try:
+        with self._cond:
             if self._flag.acquire(False):
                 self._flag.release()
                 return True
             return False
-        finally:
-            self._cond.release()
 
     def set(self):
-        self._cond.acquire()
-        try:
+        with self._cond:
             self._flag.acquire(False)
             self._flag.release()
             self._cond.notify_all()
-        finally:
-            self._cond.release()
 
     def clear(self):
-        self._cond.acquire()
-        try:
+        with self._cond:
             self._flag.acquire(False)
-        finally:
-            self._cond.release()
 
     def wait(self, timeout=None):
-        self._cond.acquire()
-        try:
+        with self._cond:
             if self._flag.acquire(False):
                 self._flag.release()
             else:
@@ -374,8 +364,6 @@ class Event(object):
                 self._flag.release()
                 return True
             return False
-        finally:
-            self._cond.release()
 
 #
 # Barrier
diff --git a/Lib/multiprocessing/util.py b/Lib/multiprocessing/util.py
index 0b695e4..ea5443d 100644
--- a/Lib/multiprocessing/util.py
+++ b/Lib/multiprocessing/util.py
@@ -212,10 +212,11 @@ class Finalize(object):
             obj = None
 
         if obj is None:
-            return '<Finalize object, dead>'
+            return '<%s object, dead>' % self.__class__.__name__
 
-        x = '<Finalize object, callback=%s' % \
-            getattr(self._callback, '__name__', self._callback)
+        x = '<%s object, callback=%s' % (
+                self.__class__.__name__,
+                getattr(self._callback, '__name__', self._callback))
         if self._args:
             x += ', args=' + str(self._args)
         if self._kwargs:
@@ -327,6 +328,13 @@ class ForkAwareThreadLock(object):
         self.acquire = self._lock.acquire
         self.release = self._lock.release
 
+    def __enter__(self):
+        return self._lock.__enter__()
+
+    def __exit__(self, *args):
+        return self._lock.__exit__(*args)
+
+
 class ForkAwareLocal(threading.local):
     def __init__(self):
         register_after_fork(self, lambda obj : obj.__dict__.clear())
diff --git a/Lib/ntpath.py b/Lib/ntpath.py
index 992970a..cfb4606 100644
--- a/Lib/ntpath.py
+++ b/Lib/ntpath.py
@@ -17,7 +17,7 @@ __all__ = ["normcase","isabs","join","splitdrive","split","splitext",
            "ismount", "expanduser","expandvars","normpath","abspath",
            "splitunc","curdir","pardir","sep","pathsep","defpath","altsep",
            "extsep","devnull","realpath","supports_unicode_filenames","relpath",
-           "samefile", "sameopenfile", "samestat",]
+           "samefile", "sameopenfile", "samestat", "commonpath"]
 
 # strings representing various path-related bits and pieces
 # These are primarily for export; internally, they are hardcoded.
@@ -32,48 +32,12 @@ if 'ce' in sys.builtin_module_names:
     defpath = '\\Windows'
 devnull = 'nul'
 
-def _get_empty(path):
-    if isinstance(path, bytes):
-        return b''
-    else:
-        return ''
-
-def _get_sep(path):
-    if isinstance(path, bytes):
-        return b'\\'
-    else:
-        return '\\'
-
-def _get_altsep(path):
-    if isinstance(path, bytes):
-        return b'/'
-    else:
-        return '/'
-
 def _get_bothseps(path):
     if isinstance(path, bytes):
         return b'\\/'
     else:
         return '\\/'
 
-def _get_dot(path):
-    if isinstance(path, bytes):
-        return b'.'
-    else:
-        return '.'
-
-def _get_colon(path):
-    if isinstance(path, bytes):
-        return b':'
-    else:
-        return ':'
-
-def _get_special(path):
-    if isinstance(path, bytes):
-        return (b'\\\\.\\', b'\\\\?\\')
-    else:
-        return ('\\\\.\\', '\\\\?\\')
-
 # Normalize the case of a pathname and map slashes to backslashes.
 # Other normalizations (such as optimizing '../' away) are not done
 # (this is done by normpath).
@@ -82,10 +46,16 @@ def normcase(s):
     """Normalize case of pathname.
 
     Makes all characters lowercase and all slashes into backslashes."""
-    if not isinstance(s, (bytes, str)):
-        raise TypeError("normcase() argument must be str or bytes, "
-                        "not '{}'".format(s.__class__.__name__))
-    return s.replace(_get_altsep(s), _get_sep(s)).lower()
+    try:
+        if isinstance(s, bytes):
+            return s.replace(b'/', b'\\').lower()
+        else:
+            return s.replace('/', '\\').lower()
+    except (TypeError, AttributeError):
+        if not isinstance(s, (bytes, str)):
+            raise TypeError("normcase() argument must be str or bytes, "
+                            "not %r" % s.__class__.__name__) from None
+        raise
 
 
 # Return whether a path is absolute.
@@ -97,40 +67,49 @@ def normcase(s):
 def isabs(s):
     """Test whether a path is absolute"""
     s = splitdrive(s)[1]
-    return len(s) > 0 and s[:1] in _get_bothseps(s)
+    return len(s) > 0 and s[0] in _get_bothseps(s)
 
 
 # Join two (or more) paths.
 def join(path, *paths):
-    sep = _get_sep(path)
-    seps = _get_bothseps(path)
-    colon = _get_colon(path)
-    result_drive, result_path = splitdrive(path)
-    for p in paths:
-        p_drive, p_path = splitdrive(p)
-        if p_path and p_path[0] in seps:
-            # Second path is absolute
-            if p_drive or not result_drive:
-                result_drive = p_drive
-            result_path = p_path
-            continue
-        elif p_drive and p_drive != result_drive:
-            if p_drive.lower() != result_drive.lower():
-                # Different drives => ignore the first path entirely
-                result_drive = p_drive
+    if isinstance(path, bytes):
+        sep = b'\\'
+        seps = b'\\/'
+        colon = b':'
+    else:
+        sep = '\\'
+        seps = '\\/'
+        colon = ':'
+    try:
+        result_drive, result_path = splitdrive(path)
+        for p in paths:
+            p_drive, p_path = splitdrive(p)
+            if p_path and p_path[0] in seps:
+                # Second path is absolute
+                if p_drive or not result_drive:
+                    result_drive = p_drive
                 result_path = p_path
                 continue
-            # Same drive in different case
-            result_drive = p_drive
-        # Second path is relative to the first
-        if result_path and result_path[-1] not in seps:
-            result_path = result_path + sep
-        result_path = result_path + p_path
-    ## add separator between UNC and non-absolute path
-    if (result_path and result_path[0] not in seps and
-        result_drive and result_drive[-1:] != colon):
-        return result_drive + sep + result_path
-    return result_drive + result_path
+            elif p_drive and p_drive != result_drive:
+                if p_drive.lower() != result_drive.lower():
+                    # Different drives => ignore the first path entirely
+                    result_drive = p_drive
+                    result_path = p_path
+                    continue
+                # Same drive in different case
+                result_drive = p_drive
+            # Second path is relative to the first
+            if result_path and result_path[-1] not in seps:
+                result_path = result_path + sep
+            result_path = result_path + p_path
+        ## add separator between UNC and non-absolute path
+        if (result_path and result_path[0] not in seps and
+            result_drive and result_drive[-1:] != colon):
+            return result_drive + sep + result_path
+        return result_drive + result_path
+    except (TypeError, AttributeError, BytesWarning):
+        genericpath._check_arg_types('join', path, *paths)
+        raise
 
 
 # Split a path in a drive specification (a drive letter followed by a
@@ -155,10 +134,16 @@ def splitdrive(p):
     Paths cannot contain both a drive letter and a UNC path.
 
     """
-    empty = _get_empty(p)
-    if len(p) > 1:
-        sep = _get_sep(p)
-        normp = p.replace(_get_altsep(p), sep)
+    if len(p) >= 2:
+        if isinstance(p, bytes):
+            sep = b'\\'
+            altsep = b'/'
+            colon = b':'
+        else:
+            sep = '\\'
+            altsep = '/'
+            colon = ':'
+        normp = p.replace(altsep, sep)
         if (normp[0:2] == sep*2) and (normp[2:3] != sep):
             # is a UNC path:
             # vvvvvvvvvvvvvvvvvvvv drive letter or UNC path
@@ -166,18 +151,18 @@ def splitdrive(p):
             #           directory ^^^^^^^^^^^^^^^
             index = normp.find(sep, 2)
             if index == -1:
-                return empty, p
+                return p[:0], p
             index2 = normp.find(sep, index + 1)
             # a UNC path can't have two slashes in a row
             # (after the initial two)
             if index2 == index + 1:
-                return empty, p
+                return p[:0], p
             if index2 == -1:
                 index2 = len(p)
             return p[:index2], p[index2:]
-        if normp[1:2] == _get_colon(p):
+        if normp[1:2] == colon:
             return p[:2], p[2:]
-    return empty, p
+    return p[:0], p
 
 
 # Parse UNC paths
@@ -221,10 +206,7 @@ def split(p):
         i -= 1
     head, tail = p[:i], p[i:]  # now tail has no slashes
     # remove trailing slashes from head, unless it's all slashes
-    head2 = head
-    while head2 and head2[-1:] in seps:
-        head2 = head2[:-1]
-    head = head2 or head
+    head = head.rstrip(seps) or head
     return d + head, tail
 
 
@@ -234,8 +216,10 @@ def split(p):
 # It is always true that root + ext == p.
 
 def splitext(p):
-    return genericpath._splitext(p, _get_sep(p), _get_altsep(p),
-                                 _get_dot(p))
+    if isinstance(p, bytes):
+        return genericpath._splitext(p, b'\\', b'/', b'.')
+    else:
+        return genericpath._splitext(p, '\\', '/', '.')
 splitext.__doc__ = genericpath._splitext.__doc__
 
 
@@ -343,7 +327,7 @@ def expanduser(path):
         userhome = join(drive, os.environ['HOMEPATH'])
 
     if isinstance(path, bytes):
-        userhome = userhome.encode(sys.getfilesystemencoding())
+        userhome = os.fsencode(userhome)
 
     if i != 1: #~user
         userhome = join(dirname(userhome), path[1:i])
@@ -369,13 +353,14 @@ def expandvars(path):
 
     Unknown variables are left unchanged."""
     if isinstance(path, bytes):
-        if ord('$') not in path and ord('%') not in path:
+        if b'$' not in path and b'%' not in path:
             return path
         import string
         varchars = bytes(string.ascii_letters + string.digits + '_-', 'ascii')
         quote = b'\''
         percent = b'%'
         brace = b'{'
+        rbrace = b'}'
         dollar = b'$'
         environ = getattr(os, 'environb', None)
     else:
@@ -386,6 +371,7 @@ def expandvars(path):
         quote = '\''
         percent = '%'
         brace = '{'
+        rbrace = '}'
         dollar = '$'
         environ = os.environ
     res = path[:0]
@@ -432,15 +418,9 @@ def expandvars(path):
                 path = path[index+2:]
                 pathlen = len(path)
                 try:
-                    if isinstance(path, bytes):
-                        index = path.index(b'}')
-                    else:
-                        index = path.index('}')
+                    index = path.index(rbrace)
                 except ValueError:
-                    if isinstance(path, bytes):
-                        res += b'${' + path
-                    else:
-                        res += '${' + path
+                    res += dollar + brace + path
                     index = pathlen - 1
                 else:
                     var = path[:index]
@@ -450,10 +430,7 @@ def expandvars(path):
                         else:
                             value = environ[var]
                     except KeyError:
-                        if isinstance(path, bytes):
-                            value = b'${' + var + b'}'
-                        else:
-                            value = '${' + var + '}'
+                        value = dollar + brace + var + rbrace
                     res += value
             else:
                 var = path[:0]
@@ -485,16 +462,25 @@ def expandvars(path):
 
 def normpath(path):
     """Normalize path, eliminating double slashes, etc."""
-    sep = _get_sep(path)
-    dotdot = _get_dot(path) * 2
-    special_prefixes = _get_special(path)
+    if isinstance(path, bytes):
+        sep = b'\\'
+        altsep = b'/'
+        curdir = b'.'
+        pardir = b'..'
+        special_prefixes = (b'\\\\.\\', b'\\\\?\\')
+    else:
+        sep = '\\'
+        altsep = '/'
+        curdir = '.'
+        pardir = '..'
+        special_prefixes = ('\\\\.\\', '\\\\?\\')
     if path.startswith(special_prefixes):
         # in the case of paths with these prefixes:
         # \\.\ -> device names
         # \\?\ -> literal paths
         # do not do any normalization, but return the path unchanged
         return path
-    path = path.replace(_get_altsep(path), sep)
+    path = path.replace(altsep, sep)
     prefix, path = splitdrive(path)
 
     # collapse initial backslashes
@@ -505,13 +491,13 @@ def normpath(path):
     comps = path.split(sep)
     i = 0
     while i < len(comps):
-        if not comps[i] or comps[i] == _get_dot(path):
+        if not comps[i] or comps[i] == curdir:
             del comps[i]
-        elif comps[i] == dotdot:
-            if i > 0 and comps[i-1] != dotdot:
+        elif comps[i] == pardir:
+            if i > 0 and comps[i-1] != pardir:
                 del comps[i-1:i+1]
                 i -= 1
-            elif i == 0 and prefix.endswith(_get_sep(path)):
+            elif i == 0 and prefix.endswith(sep):
                 del comps[i]
             else:
                 i += 1
@@ -519,7 +505,7 @@ def normpath(path):
             i += 1
     # If the path is now empty, substitute '.'
     if not prefix and not comps:
-        comps.append(_get_dot(path))
+        comps.append(curdir)
     return prefix + sep.join(comps)
 
 
@@ -559,42 +545,109 @@ realpath = abspath
 supports_unicode_filenames = (hasattr(sys, "getwindowsversion") and
                               sys.getwindowsversion()[3] >= 2)
 
-def relpath(path, start=curdir):
+def relpath(path, start=None):
     """Return a relative version of a path"""
-    sep = _get_sep(path)
+    if isinstance(path, bytes):
+        sep = b'\\'
+        curdir = b'.'
+        pardir = b'..'
+    else:
+        sep = '\\'
+        curdir = '.'
+        pardir = '..'
 
-    if start is curdir:
-        start = _get_dot(path)
+    if start is None:
+        start = curdir
 
     if not path:
         raise ValueError("no path specified")
 
-    start_abs = abspath(normpath(start))
-    path_abs = abspath(normpath(path))
-    start_drive, start_rest = splitdrive(start_abs)
-    path_drive, path_rest = splitdrive(path_abs)
-    if normcase(start_drive) != normcase(path_drive):
-        error = "path is on mount '{0}', start on mount '{1}'".format(
-            path_drive, start_drive)
-        raise ValueError(error)
-
-    start_list = [x for x in start_rest.split(sep) if x]
-    path_list = [x for x in path_rest.split(sep) if x]
-    # Work out how much of the filepath is shared by start and path.
-    i = 0
-    for e1, e2 in zip(start_list, path_list):
-        if normcase(e1) != normcase(e2):
-            break
-        i += 1
+    try:
+        start_abs = abspath(normpath(start))
+        path_abs = abspath(normpath(path))
+        start_drive, start_rest = splitdrive(start_abs)
+        path_drive, path_rest = splitdrive(path_abs)
+        if normcase(start_drive) != normcase(path_drive):
+            raise ValueError("path is on mount %r, start on mount %r" % (
+                path_drive, start_drive))
+
+        start_list = [x for x in start_rest.split(sep) if x]
+        path_list = [x for x in path_rest.split(sep) if x]
+        # Work out how much of the filepath is shared by start and path.
+        i = 0
+        for e1, e2 in zip(start_list, path_list):
+            if normcase(e1) != normcase(e2):
+                break
+            i += 1
 
-    if isinstance(path, bytes):
-        pardir = b'..'
+        rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
+        if not rel_list:
+            return curdir
+        return join(*rel_list)
+    except (TypeError, ValueError, AttributeError, BytesWarning, DeprecationWarning):
+        genericpath._check_arg_types('relpath', path, start)
+        raise
+
+
+# Return the longest common sub-path of the sequence of paths given as input.
+# The function is case-insensitive and 'separator-insensitive', i.e. if the
+# only difference between two paths is the use of '\' versus '/' as separator,
+# they are deemed to be equal.
+#
+# However, the returned path will have the standard '\' separator (even if the
+# given paths had the alternative '/' separator) and will have the case of the
+# first path given in the sequence. Additionally, any trailing separator is
+# stripped from the returned path.
+
+def commonpath(paths):
+    """Given a sequence of path names, returns the longest common sub-path."""
+
+    if not paths:
+        raise ValueError('commonpath() arg is an empty sequence')
+
+    if isinstance(paths[0], bytes):
+        sep = b'\\'
+        altsep = b'/'
+        curdir = b'.'
     else:
-        pardir = '..'
-    rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
-    if not rel_list:
-        return _get_dot(path)
-    return join(*rel_list)
+        sep = '\\'
+        altsep = '/'
+        curdir = '.'
+
+    try:
+        drivesplits = [splitdrive(p.replace(altsep, sep).lower()) for p in paths]
+        split_paths = [p.split(sep) for d, p in drivesplits]
+
+        try:
+            isabs, = set(p[:1] == sep for d, p in drivesplits)
+        except ValueError:
+            raise ValueError("Can't mix absolute and relative paths") from None
+
+        # Check that all drive letters or UNC paths match. The check is made only
+        # now otherwise type errors for mixing strings and bytes would not be
+        # caught.
+        if len(set(d for d, p in drivesplits)) != 1:
+            raise ValueError("Paths don't have the same drive")
+
+        drive, path = splitdrive(paths[0].replace(altsep, sep))
+        common = path.split(sep)
+        common = [c for c in common if c and c != curdir]
+
+        split_paths = [[c for c in s if c and c != curdir] for s in split_paths]
+        s1 = min(split_paths)
+        s2 = max(split_paths)
+        for i, c in enumerate(s1):
+            if c != s2[i]:
+                common = common[:i]
+                break
+        else:
+            common = common[:len(s1)]
+
+        prefix = drive + sep if isabs else drive
+        return prefix + sep.join(common)
+    except (TypeError, AttributeError):
+        genericpath._check_arg_types('commonpath', *paths)
+        raise
 
 
 # determine if two files are in fact the same file
diff --git a/Lib/opcode.py b/Lib/opcode.py
index 0bd1ee6..bfd3c4d 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -70,6 +70,9 @@ def_op('UNARY_NOT', 12)
 
 def_op('UNARY_INVERT', 15)
 
+def_op('BINARY_MATRIX_MULTIPLY', 16)
+def_op('INPLACE_MATRIX_MULTIPLY', 17)
+
 def_op('BINARY_POWER', 19)
 def_op('BINARY_MULTIPLY', 20)
 
diff --git a/Lib/operator.py b/Lib/operator.py
index b60349f..856036d 100644
--- a/Lib/operator.py
+++ b/Lib/operator.py
@@ -105,6 +105,10 @@ def mul(a, b):
     "Same as a * b."
     return a * b
 
+def matmul(a, b):
+    "Same as a @ b."
+    return a @ b
+
 def neg(a):
     "Same as -a."
     return -a
@@ -326,6 +330,11 @@ def imul(a, b):
     a *= b
     return a
 
+def imatmul(a, b):
+    "Same as a @= b."
+    a @= b
+    return a
+
 def ior(a, b):
     "Same as a |= b."
     a |= b
@@ -383,6 +392,7 @@ __invert__ = invert
 __lshift__ = lshift
 __mod__ = mod
 __mul__ = mul
+__matmul__ = matmul
 __neg__ = neg
 __or__ = or_
 __pos__ = pos
@@ -403,6 +413,7 @@ __ifloordiv__ = ifloordiv
 __ilshift__ = ilshift
 __imod__ = imod
 __imul__ = imul
+__imatmul__ = imatmul
 __ior__ = ior
 __ipow__ = ipow
 __irshift__ = irshift
diff --git a/Lib/os.py b/Lib/os.py
index a8f6a0b..3d2c6d3 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -61,6 +61,10 @@ if 'posix' in _names:
     except ImportError:
         pass
 
+    import posix
+    __all__.extend(_get_exports_list(posix))
+    del posix
+
 elif 'nt' in _names:
     name = 'nt'
     linesep = '\r\n'
@@ -319,7 +323,7 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
     the value of topdown, the list of subdirectories is retrieved before the
     tuples for the directory and its subdirectories are generated.
 
-    By default errors from the os.listdir() call are ignored.  If
+    By default errors from the os.scandir() call are ignored.  If
     optional arg 'onerror' is specified, it should be a function; it
     will be called with one argument, an OSError instance.  It can
     report the error to continue with the walk, or raise the exception
@@ -348,7 +352,8 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
 
     """
 
-    islink, join, isdir = path.islink, path.join, path.isdir
+    dirs = []
+    nondirs = []
 
     # We may not have read permission for top, in which case we can't
     # get a list of the files the directory contains.  os.walk
@@ -356,28 +361,71 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
     # minor reason when (say) a thousand readable directories are still
     # left to visit.  That logic is copied here.
     try:
-        # Note that listdir is global in this module due
+        # Note that scandir is global in this module due
         # to earlier import-*.
-        names = listdir(top)
-    except OSError as err:
+        scandir_it = scandir(top)
+    except OSError as error:
         if onerror is not None:
-            onerror(err)
+            onerror(error)
         return
 
-    dirs, nondirs = [], []
-    for name in names:
-        if isdir(join(top, name)):
-            dirs.append(name)
+    while True:
+        try:
+            try:
+                entry = next(scandir_it)
+            except StopIteration:
+                break
+        except OSError as error:
+            if onerror is not None:
+                onerror(error)
+            return
+
+        try:
+            is_dir = entry.is_dir()
+        except OSError:
+            # If is_dir() raises an OSError, consider that the entry is not
+            # a directory, same behaviour than os.path.isdir().
+            is_dir = False
+
+        if is_dir:
+            dirs.append(entry.name)
         else:
-            nondirs.append(name)
+            nondirs.append(entry.name)
 
+        if not topdown and is_dir:
+            # Bottom-up: recurse into sub-directory, but exclude symlinks to
+            # directories if followlinks is False
+            if followlinks:
+                walk_into = True
+            else:
+                try:
+                    is_symlink = entry.is_symlink()
+                except OSError:
+                    # If is_symlink() raises an OSError, consider that the
+                    # entry is not a symbolic link, same behaviour than
+                    # os.path.islink().
+                    is_symlink = False
+                walk_into = not is_symlink
+
+            if walk_into:
+                yield from walk(entry.path, topdown, onerror, followlinks)
+
+    # Yield before recursion if going top down
     if topdown:
         yield top, dirs, nondirs
-    for name in dirs:
-        new_path = join(top, name)
-        if followlinks or not islink(new_path):
-            yield from walk(new_path, topdown, onerror, followlinks)
-    if not topdown:
+
+        # Recurse into sub-directories
+        islink, join = path.islink, path.join
+        for name in dirs:
+            new_path = join(top, name)
+            # Issue #23605: os.path.islink() is used instead of caching
+            # entry.is_symlink() result during the loop on os.scandir() because
+            # the caller can replace the directory entry during the "yield"
+            # above.
+            if followlinks or not islink(new_path):
+                yield from walk(new_path, topdown, onerror, followlinks)
+    else:
+        # Yield after recursion if going bottom up
         yield top, dirs, nondirs
 
 __all__.append("walk")
diff --git a/Lib/pathlib.py b/Lib/pathlib.py
index 918ac8d..01e66a0 100644
--- a/Lib/pathlib.py
+++ b/Lib/pathlib.py
@@ -225,6 +225,36 @@ class _WindowsFlavour(_Flavour):
             # It's a path on a network drive => 'file://host/share/a/b'
             return 'file:' + urlquote_from_bytes(path.as_posix().encode('utf-8'))
 
+    def gethomedir(self, username):
+        if 'HOME' in os.environ:
+            userhome = os.environ['HOME']
+        elif 'USERPROFILE' in os.environ:
+            userhome = os.environ['USERPROFILE']
+        elif 'HOMEPATH' in os.environ:
+            try:
+                drv = os.environ['HOMEDRIVE']
+            except KeyError:
+                drv = ''
+            userhome = drv + os.environ['HOMEPATH']
+        else:
+            raise RuntimeError("Can't determine home directory")
+
+        if username:
+            # Try to guess user home directory.  By default all users
+            # directories are located in the same place and are named by
+            # corresponding usernames.  If current user home directory points
+            # to nonstandard place, this guess is likely wrong.
+            if os.environ['USERNAME'] != username:
+                drv, root, parts = self.parse_parts((userhome,))
+                if parts[-1] != os.environ['USERNAME']:
+                    raise RuntimeError("Can't determine home directory "
+                                       "for %r" % username)
+                parts[-1] = username
+                if drv or root:
+                    userhome = drv + root + self.join(parts[1:])
+                else:
+                    userhome = self.join(parts)
+        return userhome
 
 class _PosixFlavour(_Flavour):
     sep = '/'
@@ -308,6 +338,21 @@ class _PosixFlavour(_Flavour):
         bpath = bytes(path)
         return 'file://' + urlquote_from_bytes(bpath)
 
+    def gethomedir(self, username):
+        if not username:
+            try:
+                return os.environ['HOME']
+            except KeyError:
+                import pwd
+                return pwd.getpwuid(os.getuid()).pw_dir
+        else:
+            import pwd
+            try:
+                return pwd.getpwnam(username).pw_dir
+            except KeyError:
+                raise RuntimeError("Can't determine home directory "
+                                   "for %r" % username)
+
 
 _windows_flavour = _WindowsFlavour()
 _posix_flavour = _PosixFlavour()
@@ -964,6 +1009,24 @@ class Path(PurePath):
         """
         return cls(os.getcwd())
 
+    @classmethod
+    def home(cls):
+        """Return a new path pointing to the user's home directory (as
+        returned by os.path.expanduser('~')).
+        """
+        return cls(cls()._flavour.gethomedir(None))
+
+    def samefile(self, other_path):
+        """Return whether `other_file` is the same or not as this file.
+        (as returned by os.path.samefile(file, other_file)).
+        """
+        st = self.stat()
+        try:
+            other_st = other_path.stat()
+        except AttributeError:
+            other_st = os.stat(other_path)
+        return os.path.samestat(st, other_st)
+
     def iterdir(self):
         """Iterate over the files in this directory.  Does not yield any
         result for the special paths '.' and '..'.
@@ -1072,6 +1135,39 @@ class Path(PurePath):
         return io.open(str(self), mode, buffering, encoding, errors, newline,
                        opener=self._opener)
 
+    def read_bytes(self):
+        """
+        Open the file in bytes mode, read it, and close the file.
+        """
+        with self.open(mode='rb') as f:
+            return f.read()
+
+    def read_text(self, encoding=None, errors=None):
+        """
+        Open the file in text mode, read it, and close the file.
+        """
+        with self.open(mode='r', encoding=encoding, errors=errors) as f:
+            return f.read()
+
+    def write_bytes(self, data):
+        """
+        Open the file in bytes mode, write to it, and close the file.
+        """
+        # type-check for the buffer interface before truncating the file
+        view = memoryview(data)
+        with self.open(mode='wb') as f:
+            return f.write(view)
+
+    def write_text(self, data, encoding=None, errors=None):
+        """
+        Open the file in text mode, write to it, and close the file.
+        """
+        if not isinstance(data, str):
+            raise TypeError('data must be str, not %s' %
+                            data.__class__.__name__)
+        with self.open(mode='w', encoding=encoding, errors=errors) as f:
+            return f.write(data)
+
     def touch(self, mode=0o666, exist_ok=True):
         """
         Create this file with the given access mode, if it doesn't exist.
@@ -1095,14 +1191,21 @@ class Path(PurePath):
         fd = self._raw_open(flags, mode)
         os.close(fd)
 
-    def mkdir(self, mode=0o777, parents=False):
+    def mkdir(self, mode=0o777, parents=False, exist_ok=False):
         if self._closed:
             self._raise_closed()
         if not parents:
-            self._accessor.mkdir(self, mode)
+            try:
+                self._accessor.mkdir(self, mode)
+            except FileExistsError:
+                if not exist_ok or not self.is_dir():
+                    raise
         else:
             try:
                 self._accessor.mkdir(self, mode)
+            except FileExistsError:
+                if not exist_ok or not self.is_dir():
+                    raise
             except OSError as e:
                 if e.errno != ENOENT:
                     raise
@@ -1283,6 +1386,17 @@ class Path(PurePath):
             # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
             return False
 
+    def expanduser(self):
+        """ Return a new path with expanded ~ and ~user constructs
+        (as returned by os.path.expanduser)
+        """
+        if (not (self._drv or self._root) and
+            self._parts and self._parts[0][:1] == '~'):
+            homedir = self._flavour.gethomedir(self._parts[0][1:])
+            return self._from_parts([homedir] + self._parts[1:])
+
+        return self
+
 
 class PosixPath(Path, PurePosixPath):
     __slots__ = ()
diff --git a/Lib/pdb.py b/Lib/pdb.py
index e28564b..cf2edbf 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -1316,7 +1316,7 @@ class Pdb(bdb.Bdb, cmd.Cmd):
             return
         # Is it a class?
         if value.__class__ is type:
-            self.message('Class %s.%s' % (value.__module__, value.__name__))
+            self.message('Class %s.%s' % (value.__module__, value.__qualname__))
             return
         # None of the above...
         self.message(type(value))
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 67382ae..6c26c5e 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -258,24 +258,20 @@ class _Unframer:
 
 # Tools used for pickling.
 
-def _getattribute(obj, name, allow_qualname=False):
-    dotted_path = name.split(".")
-    if not allow_qualname and len(dotted_path) > 1:
-        raise AttributeError("Can't get qualified attribute {!r} on {!r}; " +
-                             "use protocols >= 4 to enable support"
-                             .format(name, obj))
-    for subpath in dotted_path:
+def _getattribute(obj, name):
+    for subpath in name.split('.'):
         if subpath == '<locals>':
             raise AttributeError("Can't get local attribute {!r} on {!r}"
                                  .format(name, obj))
         try:
+            parent = obj
             obj = getattr(obj, subpath)
         except AttributeError:
             raise AttributeError("Can't get attribute {!r} on {!r}"
                                  .format(name, obj))
-    return obj
+    return obj, parent
 
-def whichmodule(obj, name, allow_qualname=False):
+def whichmodule(obj, name):
     """Find the module an object belong to."""
     module_name = getattr(obj, '__module__', None)
     if module_name is not None:
@@ -286,7 +282,7 @@ def whichmodule(obj, name, allow_qualname=False):
         if module_name == '__main__' or module is None:
             continue
         try:
-            if _getattribute(module, name, allow_qualname) is obj:
+            if _getattribute(module, name)[0] is obj:
                 return module_name
         except AttributeError:
             pass
@@ -899,16 +895,16 @@ class _Pickler:
         write = self.write
         memo = self.memo
 
-        if name is None and self.proto >= 4:
+        if name is None:
             name = getattr(obj, '__qualname__', None)
         if name is None:
             name = obj.__name__
 
-        module_name = whichmodule(obj, name, allow_qualname=self.proto >= 4)
+        module_name = whichmodule(obj, name)
         try:
             __import__(module_name, level=0)
             module = sys.modules[module_name]
-            obj2 = _getattribute(module, name, allow_qualname=self.proto >= 4)
+            obj2, parent = _getattribute(module, name)
         except (ImportError, KeyError, AttributeError):
             raise PicklingError(
                 "Can't pickle %r: it's not found as %s.%s" %
@@ -930,11 +926,16 @@ class _Pickler:
                 else:
                     write(EXT4 + pack("<i", code))
                 return
+        lastname = name.rpartition('.')[2]
+        if parent is module:
+            name = lastname
         # Non-ASCII identifiers are supported only with protocols >= 3.
         if self.proto >= 4:
             self.save(module_name)
             self.save(name)
             write(STACK_GLOBAL)
+        elif parent is not module:
+            self.save_reduce(getattr, (parent, lastname))
         elif self.proto >= 3:
             write(GLOBAL + bytes(module_name, "utf-8") + b'\n' +
                   bytes(name, "utf-8") + b'\n')
@@ -1373,8 +1374,10 @@ class _Unpickler:
             elif module in _compat_pickle.IMPORT_MAPPING:
                 module = _compat_pickle.IMPORT_MAPPING[module]
         __import__(module, level=0)
-        return _getattribute(sys.modules[module], name,
-                             allow_qualname=self.proto >= 4)
+        if self.proto >= 4:
+            return _getattribute(sys.modules[module], name)[0]
+        else:
+            return getattr(sys.modules[module], name)
 
     def load_reduce(self):
         stack = self.stack
diff --git a/Lib/pkgutil.py b/Lib/pkgutil.py
index a54e947..fc4a074 100644
--- a/Lib/pkgutil.py
+++ b/Lib/pkgutil.py
@@ -616,7 +616,7 @@ def get_data(package, resource):
         return None
     # XXX needs test
     mod = (sys.modules.get(package) or
-           importlib._bootstrap._SpecMethods(spec).load())
+           importlib._bootstrap._load(spec))
     if mod is None or not hasattr(mod, '__file__'):
         return None
 
diff --git a/Lib/platform.py b/Lib/platform.py
index c4ffe95..b1c659e 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -163,40 +163,39 @@ def libc_ver(executable=sys.executable, lib='', version='',
         # here to work around problems with Cygwin not being
         # able to open symlinks for reading
         executable = os.path.realpath(executable)
-    f = open(executable, 'rb')
-    binary = f.read(chunksize)
-    pos = 0
-    while 1:
-        if b'libc' in binary or b'GLIBC' in binary:
-            m = _libc_search.search(binary, pos)
-        else:
-            m = None
-        if not m:
-            binary = f.read(chunksize)
-            if not binary:
-                break
-            pos = 0
-            continue
-        libcinit, glibc, glibcversion, so, threads, soversion = [
-            s.decode('latin1') if s is not None else s
-            for s in m.groups()]
-        if libcinit and not lib:
-            lib = 'libc'
-        elif glibc:
-            if lib != 'glibc':
-                lib = 'glibc'
-                version = glibcversion
-            elif glibcversion > version:
-                version = glibcversion
-        elif so:
-            if lib != 'glibc':
+    with open(executable, 'rb') as f:
+        binary = f.read(chunksize)
+        pos = 0
+        while 1:
+            if b'libc' in binary or b'GLIBC' in binary:
+                m = _libc_search.search(binary, pos)
+            else:
+                m = None
+            if not m:
+                binary = f.read(chunksize)
+                if not binary:
+                    break
+                pos = 0
+                continue
+            libcinit, glibc, glibcversion, so, threads, soversion = [
+                s.decode('latin1') if s is not None else s
+                for s in m.groups()]
+            if libcinit and not lib:
                 lib = 'libc'
-                if soversion and soversion > version:
-                    version = soversion
-                if threads and version[-len(threads):] != threads:
-                    version = version + threads
-        pos = m.end()
-    f.close()
+            elif glibc:
+                if lib != 'glibc':
+                    lib = 'glibc'
+                    version = glibcversion
+                elif glibcversion > version:
+                    version = glibcversion
+            elif so:
+                if lib != 'glibc':
+                    lib = 'libc'
+                    if soversion and soversion > version:
+                        version = soversion
+                    if threads and version[-len(threads):] != threads:
+                        version = version + threads
+            pos = m.end()
     return lib, version
 
 def _dist_try_harder(distname, version, id):
diff --git a/Lib/posixpath.py b/Lib/posixpath.py
index 0aa53fe..ea51e11 100644
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -22,7 +22,8 @@ __all__ = ["normcase","isabs","join","splitdrive","split","splitext",
            "ismount", "expanduser","expandvars","normpath","abspath",
            "samefile","sameopenfile","samestat",
            "curdir","pardir","sep","pathsep","defpath","altsep","extsep",
-           "devnull","realpath","supports_unicode_filenames","relpath"]
+           "devnull","realpath","supports_unicode_filenames","relpath",
+           "commonpath"]
 
 # Strings representing various path-related bits and pieces.
 # These are primarily for export; internally, they are hardcoded.
@@ -82,11 +83,8 @@ def join(a, *p):
                 path += b
             else:
                 path += sep + b
-    except TypeError:
-        if all(isinstance(s, (str, bytes)) for s in (a,) + p):
-            # Must have a mixture of text and binary data
-            raise TypeError("Can't mix strings and bytes in path "
-                            "components") from None
+    except (TypeError, AttributeError, BytesWarning):
+        genericpath._check_arg_types('join', a, *p)
         raise
     return path
 
@@ -445,13 +443,58 @@ def relpath(path, start=None):
     if start is None:
         start = curdir
 
-    start_list = [x for x in abspath(start).split(sep) if x]
-    path_list = [x for x in abspath(path).split(sep) if x]
+    try:
+        start_list = [x for x in abspath(start).split(sep) if x]
+        path_list = [x for x in abspath(path).split(sep) if x]
+        # Work out how much of the filepath is shared by start and path.
+        i = len(commonprefix([start_list, path_list]))
+
+        rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
+        if not rel_list:
+            return curdir
+        return join(*rel_list)
+    except (TypeError, AttributeError, BytesWarning, DeprecationWarning):
+        genericpath._check_arg_types('relpath', path, start)
+        raise
+
+
+# Return the longest common sub-path of the sequence of paths given as input.
+# The paths are not normalized before comparing them (this is the
+# responsibility of the caller). Any trailing separator is stripped from the
+# returned path.
 
-    # Work out how much of the filepath is shared by start and path.
-    i = len(commonprefix([start_list, path_list]))
+def commonpath(paths):
+    """Given a sequence of path names, returns the longest common sub-path."""
 
-    rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
-    if not rel_list:
-        return curdir
-    return join(*rel_list)
+    if not paths:
+        raise ValueError('commonpath() arg is an empty sequence')
+
+    if isinstance(paths[0], bytes):
+        sep = b'/'
+        curdir = b'.'
+    else:
+        sep = '/'
+        curdir = '.'
+
+    try:
+        split_paths = [path.split(sep) for path in paths]
+
+        try:
+            isabs, = set(p[:1] == sep for p in paths)
+        except ValueError:
+            raise ValueError("Can't mix absolute and relative paths") from None
+
+        split_paths = [[c for c in s if c and c != curdir] for s in split_paths]
+        s1 = min(split_paths)
+        s2 = max(split_paths)
+        common = s1
+        for i, c in enumerate(s1):
+            if c != s2[i]:
+                common = s1[:i]
+                break
+
+        prefix = sep if isabs else sep[:0]
+        return prefix + sep.join(common)
+    except (TypeError, AttributeError):
+        genericpath._check_arg_types('commonpath', *paths)
+        raise
diff --git a/Lib/pprint.py b/Lib/pprint.py
index 2cbffed..723ea9c 100644
--- a/Lib/pprint.py
+++ b/Lib/pprint.py
@@ -34,9 +34,10 @@ saferepr()
 
 """
 
+import collections as _collections
 import re
 import sys as _sys
-from collections import OrderedDict as _OrderedDict
+import types as _types
 from io import StringIO as _StringIO
 
 __all__ = ["pprint","pformat","isreadable","isrecursive","saferepr",
@@ -85,14 +86,10 @@ class _safe_key:
 
     def __lt__(self, other):
         try:
-            rv = self.obj.__lt__(other.obj)
+            return self.obj < other.obj
         except TypeError:
-            rv = NotImplemented
-
-        if rv is NotImplemented:
-            rv = (str(type(self.obj)), id(self.obj)) < \
-                 (str(type(other.obj)), id(other.obj))
-        return rv
+            return ((str(type(self.obj)), id(self.obj)) < \
+                    (str(type(other.obj)), id(other.obj)))
 
 def _safe_tuple(t):
     "Helper function for comparing 2-tuples"
@@ -123,9 +120,12 @@ class PrettyPrinter:
         """
         indent = int(indent)
         width = int(width)
-        assert indent >= 0, "indent must be >= 0"
-        assert depth is None or depth > 0, "depth must be > 0"
-        assert width, "width must be != 0"
+        if indent < 0:
+            raise ValueError('indent must be >= 0')
+        if depth is not None and depth <= 0:
+            raise ValueError('depth must be > 0')
+        if not width:
+            raise ValueError('width must be != 0')
         self._depth = depth
         self._indent_per_level = indent
         self._width = width
@@ -152,133 +152,223 @@ class PrettyPrinter:
         return readable and not recursive
 
     def _format(self, object, stream, indent, allowance, context, level):
-        level = level + 1
         objid = id(object)
         if objid in context:
             stream.write(_recursion(object))
             self._recursive = True
             self._readable = False
             return
-        rep = self._repr(object, context, level - 1)
-        typ = type(object)
-        max_width = self._width - 1 - indent - allowance
-        sepLines = len(rep) > max_width
-        write = stream.write
-
-        if sepLines:
-            r = getattr(typ, "__repr__", None)
-            if issubclass(typ, dict):
-                write('{')
-                if self._indent_per_level > 1:
-                    write((self._indent_per_level - 1) * ' ')
-                length = len(object)
-                if length:
-                    context[objid] = 1
-                    indent = indent + self._indent_per_level
-                    if issubclass(typ, _OrderedDict):
-                        items = list(object.items())
-                    else:
-                        items = sorted(object.items(), key=_safe_tuple)
-                    key, ent = items[0]
-                    rep = self._repr(key, context, level)
-                    write(rep)
-                    write(': ')
-                    self._format(ent, stream, indent + len(rep) + 2,
-                                  allowance + 1, context, level)
-                    if length > 1:
-                        for key, ent in items[1:]:
-                            rep = self._repr(key, context, level)
-                            write(',\n%s%s: ' % (' '*indent, rep))
-                            self._format(ent, stream, indent + len(rep) + 2,
-                                          allowance + 1, context, level)
-                    indent = indent - self._indent_per_level
-                    del context[objid]
-                write('}')
+        rep = self._repr(object, context, level)
+        max_width = self._width - indent - allowance
+        if len(rep) > max_width:
+            p = self._dispatch.get(type(object).__repr__, None)
+            if p is not None:
+                context[objid] = 1
+                p(self, object, stream, indent, allowance, context, level + 1)
+                del context[objid]
                 return
-
-            if ((issubclass(typ, list) and r is list.__repr__) or
-                (issubclass(typ, tuple) and r is tuple.__repr__) or
-                (issubclass(typ, set) and r is set.__repr__) or
-                (issubclass(typ, frozenset) and r is frozenset.__repr__)
-               ):
-                length = len(object)
-                if issubclass(typ, list):
-                    write('[')
-                    endchar = ']'
-                elif issubclass(typ, tuple):
-                    write('(')
-                    endchar = ')'
-                else:
-                    if not length:
-                        write(rep)
-                        return
-                    if typ is set:
-                        write('{')
-                        endchar = '}'
-                    else:
-                        write(typ.__name__)
-                        write('({')
-                        endchar = '})'
-                        indent += len(typ.__name__) + 1
-                    object = sorted(object, key=_safe_key)
-                if self._indent_per_level > 1:
-                    write((self._indent_per_level - 1) * ' ')
-                if length:
-                    context[objid] = 1
-                    self._format_items(object, stream,
-                                       indent + self._indent_per_level,
-                                       allowance + 1, context, level)
-                    del context[objid]
-                if issubclass(typ, tuple) and length == 1:
-                    write(',')
-                write(endchar)
+            elif isinstance(object, dict):
+                context[objid] = 1
+                self._pprint_dict(object, stream, indent, allowance,
+                                  context, level + 1)
+                del context[objid]
                 return
+        stream.write(rep)
 
-            if issubclass(typ, str) and len(object) > 0 and r is str.__repr__:
-                chunks = []
-                lines = object.splitlines(True)
-                if level == 1:
-                    indent += 1
-                    max_width -= 2
-                for i, line in enumerate(lines):
-                    rep = repr(line)
-                    if len(rep) <= max_width:
-                        chunks.append(rep)
-                    else:
-                        # A list of alternating (non-space, space) strings
-                        parts = re.split(r'(\s+)', line) + ['']
-                        current = ''
-                        for i in range(0, len(parts), 2):
-                            part = parts[i] + parts[i+1]
-                            candidate = current + part
-                            if len(repr(candidate)) > max_width:
-                                if current:
-                                    chunks.append(repr(current))
-                                current = part
-                            else:
-                                current = candidate
+    _dispatch = {}
+
+    def _pprint_dict(self, object, stream, indent, allowance, context, level):
+        write = stream.write
+        write('{')
+        if self._indent_per_level > 1:
+            write((self._indent_per_level - 1) * ' ')
+        length = len(object)
+        if length:
+            items = sorted(object.items(), key=_safe_tuple)
+            self._format_dict_items(items, stream, indent, allowance + 1,
+                                    context, level)
+        write('}')
+
+    _dispatch[dict.__repr__] = _pprint_dict
+
+    def _pprint_ordered_dict(self, object, stream, indent, allowance, context, level):
+        if not len(object):
+            stream.write(repr(object))
+            return
+        cls = object.__class__
+        stream.write(cls.__name__ + '(')
+        self._format(list(object.items()), stream,
+                     indent + len(cls.__name__) + 1, allowance + 1,
+                     context, level)
+        stream.write(')')
+
+    _dispatch[_collections.OrderedDict.__repr__] = _pprint_ordered_dict
+
+    def _pprint_list(self, object, stream, indent, allowance, context, level):
+        stream.write('[')
+        self._format_items(object, stream, indent, allowance + 1,
+                           context, level)
+        stream.write(']')
+
+    _dispatch[list.__repr__] = _pprint_list
+
+    def _pprint_tuple(self, object, stream, indent, allowance, context, level):
+        stream.write('(')
+        endchar = ',)' if len(object) == 1 else ')'
+        self._format_items(object, stream, indent, allowance + len(endchar),
+                           context, level)
+        stream.write(endchar)
+
+    _dispatch[tuple.__repr__] = _pprint_tuple
+
+    def _pprint_set(self, object, stream, indent, allowance, context, level):
+        if not len(object):
+            stream.write(repr(object))
+            return
+        typ = object.__class__
+        if typ is set:
+            stream.write('{')
+            endchar = '}'
+        else:
+            stream.write(typ.__name__ + '({')
+            endchar = '})'
+            indent += len(typ.__name__) + 1
+        object = sorted(object, key=_safe_key)
+        self._format_items(object, stream, indent, allowance + len(endchar),
+                           context, level)
+        stream.write(endchar)
+
+    _dispatch[set.__repr__] = _pprint_set
+    _dispatch[frozenset.__repr__] = _pprint_set
+
+    def _pprint_str(self, object, stream, indent, allowance, context, level):
+        write = stream.write
+        if not len(object):
+            write(repr(object))
+            return
+        chunks = []
+        lines = object.splitlines(True)
+        if level == 1:
+            indent += 1
+            allowance += 1
+        max_width1 = max_width = self._width - indent
+        for i, line in enumerate(lines):
+            rep = repr(line)
+            if i == len(lines) - 1:
+                max_width1 -= allowance
+            if len(rep) <= max_width1:
+                chunks.append(rep)
+            else:
+                # A list of alternating (non-space, space) strings
+                parts = re.findall(r'\S*\s*', line)
+                assert parts
+                assert not parts[-1]
+                parts.pop()  # drop empty last part
+                max_width2 = max_width
+                current = ''
+                for j, part in enumerate(parts):
+                    candidate = current + part
+                    if j == len(parts) - 1 and i == len(lines) - 1:
+                        max_width2 -= allowance
+                    if len(repr(candidate)) > max_width2:
                         if current:
                             chunks.append(repr(current))
-                if len(chunks) == 1:
-                    write(rep)
-                    return
-                if level == 1:
-                    write('(')
-                for i, rep in enumerate(chunks):
-                    if i > 0:
-                        write('\n' + ' '*indent)
-                    write(rep)
-                if level == 1:
-                    write(')')
-                return
-        write(rep)
+                        current = part
+                    else:
+                        current = candidate
+                if current:
+                    chunks.append(repr(current))
+        if len(chunks) == 1:
+            write(rep)
+            return
+        if level == 1:
+            write('(')
+        for i, rep in enumerate(chunks):
+            if i > 0:
+                write('\n' + ' '*indent)
+            write(rep)
+        if level == 1:
+            write(')')
+
+    _dispatch[str.__repr__] = _pprint_str
+
+    def _pprint_bytes(self, object, stream, indent, allowance, context, level):
+        write = stream.write
+        if len(object) <= 4:
+            write(repr(object))
+            return
+        parens = level == 1
+        if parens:
+            indent += 1
+            allowance += 1
+            write('(')
+        delim = ''
+        for rep in _wrap_bytes_repr(object, self._width - indent, allowance):
+            write(delim)
+            write(rep)
+            if not delim:
+                delim = '\n' + ' '*indent
+        if parens:
+            write(')')
+
+    _dispatch[bytes.__repr__] = _pprint_bytes
+
+    def _pprint_bytearray(self, object, stream, indent, allowance, context, level):
+        write = stream.write
+        write('bytearray(')
+        self._pprint_bytes(bytes(object), stream, indent + 10,
+                           allowance + 1, context, level + 1)
+        write(')')
+
+    _dispatch[bytearray.__repr__] = _pprint_bytearray
+
+    def _pprint_mappingproxy(self, object, stream, indent, allowance, context, level):
+        stream.write('mappingproxy(')
+        self._format(object.copy(), stream, indent + 13, allowance + 1,
+                     context, level)
+        stream.write(')')
+
+    _dispatch[_types.MappingProxyType.__repr__] = _pprint_mappingproxy
+
+    def _format_dict_items(self, items, stream, indent, allowance, context,
+                           level):
+        write = stream.write
+        indent += self._indent_per_level
+        delimnl = ',\n' + ' ' * indent
+        last_index = len(items) - 1
+        for i, (key, ent) in enumerate(items):
+            last = i == last_index
+            rep = self._repr(key, context, level)
+            write(rep)
+            write(': ')
+            self._format(ent, stream, indent + len(rep) + 2,
+                         allowance if last else 1,
+                         context, level)
+            if not last:
+                write(delimnl)
 
     def _format_items(self, items, stream, indent, allowance, context, level):
         write = stream.write
+        indent += self._indent_per_level
+        if self._indent_per_level > 1:
+            write((self._indent_per_level - 1) * ' ')
         delimnl = ',\n' + ' ' * indent
         delim = ''
-        width = max_width = self._width - indent - allowance + 2
-        for ent in items:
+        width = max_width = self._width - indent + 1
+        it = iter(items)
+        try:
+            next_ent = next(it)
+        except StopIteration:
+            return
+        last = False
+        while not last:
+            ent = next_ent
+            try:
+                next_ent = next(it)
+            except StopIteration:
+                last = True
+                max_width -= allowance
+                width -= allowance
             if self._compact:
                 rep = self._repr(ent, context, level)
                 w = len(rep) + 2
@@ -294,7 +384,9 @@ class PrettyPrinter:
                     continue
             write(delim)
             delim = delimnl
-            self._format(ent, stream, indent, allowance, context, level)
+            self._format(ent, stream, indent,
+                         allowance if last else 1,
+                         context, level)
 
     def _repr(self, object, context, level):
         repr, readable, recursive = self.format(object, context.copy(),
@@ -418,5 +510,22 @@ def _perfcheck(object=None):
     print("_safe_repr:", t2 - t1)
     print("pformat:", t3 - t2)
 
+def _wrap_bytes_repr(object, width, allowance):
+    current = b''
+    last = len(object) // 4 * 4
+    for i in range(0, len(object), 4):
+        part = object[i: i+4]
+        candidate = current + part
+        if i == last:
+            width -= allowance
+        if len(repr(candidate)) > width:
+            if current:
+                yield repr(current)
+            current = part
+        else:
+            current = candidate
+    if current:
+        yield repr(current)
+
 if __name__ == "__main__":
     _perfcheck()
diff --git a/Lib/py_compile.py b/Lib/py_compile.py
index f65eeaf..10c1ef5 100644
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -1,4 +1,4 @@
-"""Routine to "compile" a .py file to a .pyc (or .pyo) file.
+"""Routine to "compile" a .py file to a .pyc file.
 
 This module has intimate knowledge of the format of .pyc files.
 """
@@ -67,7 +67,7 @@ def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1):
 
     :param file: The source file name.
     :param cfile: The target byte compiled file name.  When not given, this
-        defaults to the PEP 3147 location.
+        defaults to the PEP 3147/PEP 488 location.
     :param dfile: Purported file name, i.e. the file name that shows up in
         error messages.  Defaults to the source file name.
     :param doraise: Flag indicating whether or not an exception should be
@@ -85,12 +85,12 @@ def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1):
     Note that it isn't necessary to byte-compile Python modules for
     execution efficiency -- Python itself byte-compiles a module when
     it is loaded, and if it can, writes out the bytecode to the
-    corresponding .pyc (or .pyo) file.
+    corresponding .pyc file.
 
     However, if a Python installation is shared between users, it is a
     good idea to byte-compile all modules upon installation, since
     other users may not be able to write in the source directories,
-    and thus they won't be able to write the .pyc/.pyo file, and then
+    and thus they won't be able to write the .pyc file, and then
     they would be byte-compiling every module each time it is loaded.
     This can slow down program start-up considerably.
 
@@ -105,8 +105,9 @@ def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1):
     """
     if cfile is None:
         if optimize >= 0:
+            optimization = optimize if optimize >= 1 else ''
             cfile = importlib.util.cache_from_source(file,
-                                                     debug_override=not optimize)
+                                                     optimization=optimization)
         else:
             cfile = importlib.util.cache_from_source(file)
     if os.path.islink(cfile):
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 0c7b60d..306dcaf 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -213,7 +213,7 @@ def classify_class_attrs(object):
 def ispackage(path):
     """Guess whether a path refers to a package directory."""
     if os.path.isdir(path):
-        for ext in ('.py', '.pyc', '.pyo'):
+        for ext in ('.py', '.pyc'):
             if os.path.isfile(os.path.join(path, '__init__' + ext)):
                 return True
     return False
@@ -264,9 +264,8 @@ def synopsis(filename, cache={}):
             # XXX We probably don't need to pass in the loader here.
             spec = importlib.util.spec_from_file_location('__temp__', filename,
                                                           loader=loader)
-            _spec = importlib._bootstrap._SpecMethods(spec)
             try:
-                module = _spec.load()
+                module = importlib._bootstrap._load(spec)
             except:
                 return None
             del sys.modules['__temp__']
@@ -298,9 +297,8 @@ def importfile(path):
         loader = importlib._bootstrap.SourceFileLoader(name, path)
     # XXX We probably don't need to pass in the loader here.
     spec = importlib.util.spec_from_file_location(name, path, loader=loader)
-    _spec = importlib._bootstrap._SpecMethods(spec)
     try:
-        return _spec.load()
+        return importlib._bootstrap._load(spec)
     except:
         raise ErrorDuringImport(path, sys.exc_info())
 
@@ -1591,7 +1589,10 @@ def resolve(thing, forceload=0):
     if isinstance(thing, str):
         object = locate(thing, forceload)
         if object is None:
-            raise ImportError('no Python documentation found for %r' % thing)
+            raise ImportError('''\
+No Python documentation found for %r.
+Use help() to get the interactive help utility.
+Use help(str) for help on the str class.''' % thing)
         return object, thing
     else:
         name = getattr(thing, '__name__', None)
@@ -1638,9 +1639,8 @@ def writedoc(thing, forceload=0):
     try:
         object, name = resolve(thing, forceload)
         page = html.page(describe(object), html.document(object, name))
-        file = open(name + '.html', 'w', encoding='utf-8')
-        file.write(page)
-        file.close()
+        with open(name + '.html', 'w', encoding='utf-8') as file:
+            file.write(page)
         print('wrote', name + '.html')
     except (ImportError, ErrorDuringImport) as value:
         print(value)
@@ -1835,7 +1835,8 @@ class Helper:
         if inspect.stack()[1][3] == '?':
             self()
             return ''
-        return '<pydoc.Helper instance>'
+        return '<%s.%s instance>' % (self.__class__.__module__,
+                                     self.__class__.__qualname__)
 
     _GoInteractive = object()
     def __call__(self, request=_GoInteractive):
@@ -1861,7 +1862,10 @@ has the same effect as typing a particular string at the help> prompt.
                 break
             request = replace(request, '"', '', "'", '').strip()
             if request.lower() in ('q', 'quit'): break
-            self.help(request)
+            if request == 'help':
+                self.intro()
+            else:
+                self.help(request)
 
     def getline(self, prompt):
         """Read one line, using input() when appropriate."""
@@ -1875,8 +1879,7 @@ has the same effect as typing a particular string at the help> prompt.
     def help(self, request):
         if type(request) is type(''):
             request = request.strip()
-            if request == 'help': self.intro()
-            elif request == 'keywords': self.listkeywords()
+            if request == 'keywords': self.listkeywords()
             elif request == 'symbols': self.listsymbols()
             elif request == 'topics': self.listtopics()
             elif request == 'modules': self.listmodules()
@@ -1889,6 +1892,7 @@ has the same effect as typing a particular string at the help> prompt.
             elif request in self.keywords: self.showtopic(request)
             elif request in self.topics: self.showtopic(request)
             elif request: doc(request, 'Help on %s:', output=self._output)
+            else: doc(str, 'Help on %s:', output=self._output)
         elif isinstance(request, Helper): self()
         else: doc(request, 'Help on %s:', output=self._output)
         self.output.write('\n')
@@ -2084,9 +2088,8 @@ class ModuleScanner:
                     else:
                         path = None
                 else:
-                    _spec = importlib._bootstrap._SpecMethods(spec)
                     try:
-                        module = _spec.load()
+                        module = importlib._bootstrap._load(spec)
                     except ImportError:
                         if onerror:
                             onerror(modname)
diff --git a/Lib/pydoc_data/topics.py b/Lib/pydoc_data/topics.py
index e54b6dd..942f561 100644
--- a/Lib/pydoc_data/topics.py
+++ b/Lib/pydoc_data/topics.py
@@ -1,13 +1,13 @@
 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Sun Feb 22 23:52:05 2015
+# Autogenerated by Sphinx on Sun Apr 19 13:44:03 2015
 topics = {'assert': u'\nThe "assert" statement\n**********************\n\nAssert statements are a convenient way to insert debugging assertions\ninto a program:\n\n   assert_stmt ::= "assert" expression ["," expression]\n\nThe simple form, "assert expression", is equivalent to\n\n   if __debug__:\n      if not expression: raise AssertionError\n\nThe extended form, "assert expression1, expression2", is equivalent to\n\n   if __debug__:\n      if not expression1: raise AssertionError(expression2)\n\nThese equivalences assume that "__debug__" and "AssertionError" refer\nto the built-in variables with those names.  In the current\nimplementation, the built-in variable "__debug__" is "True" under\nnormal circumstances, "False" when optimization is requested (command\nline option -O).  The current code generator emits no code for an\nassert statement when optimization is requested at compile time.  Note\nthat it is unnecessary to include the source code for the expression\nthat failed in the error message; it will be displayed as part of the\nstack trace.\n\nAssignments to "__debug__" are illegal.  The value for the built-in\nvariable is determined when the interpreter starts.\n',
- 'assignment': u'\nAssignment statements\n*********************\n\nAssignment statements are used to (re)bind names to values and to\nmodify attributes or items of mutable objects:\n\n   assignment_stmt ::= (target_list "=")+ (expression_list | yield_expression)\n   target_list     ::= target ("," target)* [","]\n   target          ::= identifier\n              | "(" target_list ")"\n              | "[" target_list "]"\n              | attributeref\n              | subscription\n              | slicing\n              | "*" target\n\n(See section *Primaries* for the syntax definitions for\n*attributeref*, *subscription*, and *slicing*.)\n\nAn assignment statement evaluates the expression list (remember that\nthis can be a single expression or a comma-separated list, the latter\nyielding a tuple) and assigns the single resulting object to each of\nthe target lists, from left to right.\n\nAssignment is defined recursively depending on the form of the target\n(list). When a target is part of a mutable object (an attribute\nreference, subscription or slicing), the mutable object must\nultimately perform the assignment and decide about its validity, and\nmay raise an exception if the assignment is unacceptable.  The rules\nobserved by various types and the exceptions raised are given with the\ndefinition of the object types (see section *The standard type\nhierarchy*).\n\nAssignment of an object to a target list, optionally enclosed in\nparentheses or square brackets, is recursively defined as follows.\n\n* If the target list is a single target: The object is assigned to\n  that target.\n\n* If the target list is a comma-separated list of targets: The\n  object must be an iterable with the same number of items as there\n  are targets in the target list, and the items are assigned, from\n  left to right, to the corresponding targets.\n\n  * If the target list contains one target prefixed with an\n    asterisk, called a "starred" target: The object must be a sequence\n    with at least as many items as there are targets in the target\n    list, minus one.  The first items of the sequence are assigned,\n    from left to right, to the targets before the starred target.  The\n    final items of the sequence are assigned to the targets after the\n    starred target.  A list of the remaining items in the sequence is\n    then assigned to the starred target (the list can be empty).\n\n  * Else: The object must be a sequence with the same number of\n    items as there are targets in the target list, and the items are\n    assigned, from left to right, to the corresponding targets.\n\nAssignment of an object to a single target is recursively defined as\nfollows.\n\n* If the target is an identifier (name):\n\n  * If the name does not occur in a "global" or "nonlocal" statement\n    in the current code block: the name is bound to the object in the\n    current local namespace.\n\n  * Otherwise: the name is bound to the object in the global\n    namespace or the outer namespace determined by "nonlocal",\n    respectively.\n\n  The name is rebound if it was already bound.  This may cause the\n  reference count for the object previously bound to the name to reach\n  zero, causing the object to be deallocated and its destructor (if it\n  has one) to be called.\n\n* If the target is a target list enclosed in parentheses or in\n  square brackets: The object must be an iterable with the same number\n  of items as there are targets in the target list, and its items are\n  assigned, from left to right, to the corresponding targets.\n\n* If the target is an attribute reference: The primary expression in\n  the reference is evaluated.  It should yield an object with\n  assignable attributes; if this is not the case, "TypeError" is\n  raised.  That object is then asked to assign the assigned object to\n  the given attribute; if it cannot perform the assignment, it raises\n  an exception (usually but not necessarily "AttributeError").\n\n  Note: If the object is a class instance and the attribute reference\n  occurs on both sides of the assignment operator, the RHS expression,\n  "a.x" can access either an instance attribute or (if no instance\n  attribute exists) a class attribute.  The LHS target "a.x" is always\n  set as an instance attribute, creating it if necessary.  Thus, the\n  two occurrences of "a.x" do not necessarily refer to the same\n  attribute: if the RHS expression refers to a class attribute, the\n  LHS creates a new instance attribute as the target of the\n  assignment:\n\n     class Cls:\n         x = 3             # class variable\n     inst = Cls()\n     inst.x = inst.x + 1   # writes inst.x as 4 leaving Cls.x as 3\n\n  This description does not necessarily apply to descriptor\n  attributes, such as properties created with "property()".\n\n* If the target is a subscription: The primary expression in the\n  reference is evaluated.  It should yield either a mutable sequence\n  object (such as a list) or a mapping object (such as a dictionary).\n  Next, the subscript expression is evaluated.\n\n  If the primary is a mutable sequence object (such as a list), the\n  subscript must yield an integer.  If it is negative, the sequence\'s\n  length is added to it.  The resulting value must be a nonnegative\n  integer less than the sequence\'s length, and the sequence is asked\n  to assign the assigned object to its item with that index.  If the\n  index is out of range, "IndexError" is raised (assignment to a\n  subscripted sequence cannot add new items to a list).\n\n  If the primary is a mapping object (such as a dictionary), the\n  subscript must have a type compatible with the mapping\'s key type,\n  and the mapping is then asked to create a key/datum pair which maps\n  the subscript to the assigned object.  This can either replace an\n  existing key/value pair with the same key value, or insert a new\n  key/value pair (if no key with the same value existed).\n\n  For user-defined objects, the "__setitem__()" method is called with\n  appropriate arguments.\n\n* If the target is a slicing: The primary expression in the\n  reference is evaluated.  It should yield a mutable sequence object\n  (such as a list).  The assigned object should be a sequence object\n  of the same type.  Next, the lower and upper bound expressions are\n  evaluated, insofar they are present; defaults are zero and the\n  sequence\'s length.  The bounds should evaluate to integers. If\n  either bound is negative, the sequence\'s length is added to it.  The\n  resulting bounds are clipped to lie between zero and the sequence\'s\n  length, inclusive.  Finally, the sequence object is asked to replace\n  the slice with the items of the assigned sequence.  The length of\n  the slice may be different from the length of the assigned sequence,\n  thus changing the length of the target sequence, if the target\n  sequence allows it.\n\n**CPython implementation detail:** In the current implementation, the\nsyntax for targets is taken to be the same as for expressions, and\ninvalid syntax is rejected during the code generation phase, causing\nless detailed error messages.\n\nAlthough the definition of assignment implies that overlaps between\nthe left-hand side and the right-hand side are \'simultanenous\' (for\nexample "a, b = b, a" swaps two variables), overlaps *within* the\ncollection of assigned-to variables occur left-to-right, sometimes\nresulting in confusion.  For instance, the following program prints\n"[0, 2]":\n\n   x = [0, 1]\n   i = 0\n   i, x[i] = 1, 2         # i is updated, then x[i] is updated\n   print(x)\n\nSee also: **PEP 3132** - Extended Iterable Unpacking\n\n     The specification for the "*target" feature.\n\n\nAugmented assignment statements\n===============================\n\nAugmented assignment is the combination, in a single statement, of a\nbinary operation and an assignment statement:\n\n   augmented_assignment_stmt ::= augtarget augop (expression_list | yield_expression)\n   augtarget                 ::= identifier | attributeref | subscription | slicing\n   augop                     ::= "+=" | "-=" | "*=" | "/=" | "//=" | "%=" | "**="\n             | ">>=" | "<<=" | "&=" | "^=" | "|="\n\n(See section *Primaries* for the syntax definitions of the last three\nsymbols.)\n\nAn augmented assignment evaluates the target (which, unlike normal\nassignment statements, cannot be an unpacking) and the expression\nlist, performs the binary operation specific to the type of assignment\non the two operands, and assigns the result to the original target.\nThe target is only evaluated once.\n\nAn augmented assignment expression like "x += 1" can be rewritten as\n"x = x + 1" to achieve a similar, but not exactly equal effect. In the\naugmented version, "x" is only evaluated once. Also, when possible,\nthe actual operation is performed *in-place*, meaning that rather than\ncreating a new object and assigning that to the target, the old object\nis modified instead.\n\nUnlike normal assignments, augmented assignments evaluate the left-\nhand side *before* evaluating the right-hand side.  For example, "a[i]\n+= f(x)" first looks-up "a[i]", then it evaluates "f(x)" and performs\nthe addition, and lastly, it writes the result back to "a[i]".\n\nWith the exception of assigning to tuples and multiple targets in a\nsingle statement, the assignment done by augmented assignment\nstatements is handled the same way as normal assignments. Similarly,\nwith the exception of the possible *in-place* behavior, the binary\noperation performed by augmented assignment is the same as the normal\nbinary operations.\n\nFor targets which are attribute references, the same *caveat about\nclass and instance attributes* applies as for regular assignments.\n',
+ 'assignment': u'\nAssignment statements\n*********************\n\nAssignment statements are used to (re)bind names to values and to\nmodify attributes or items of mutable objects:\n\n   assignment_stmt ::= (target_list "=")+ (expression_list | yield_expression)\n   target_list     ::= target ("," target)* [","]\n   target          ::= identifier\n              | "(" target_list ")"\n              | "[" target_list "]"\n              | attributeref\n              | subscription\n              | slicing\n              | "*" target\n\n(See section *Primaries* for the syntax definitions for\n*attributeref*, *subscription*, and *slicing*.)\n\nAn assignment statement evaluates the expression list (remember that\nthis can be a single expression or a comma-separated list, the latter\nyielding a tuple) and assigns the single resulting object to each of\nthe target lists, from left to right.\n\nAssignment is defined recursively depending on the form of the target\n(list). When a target is part of a mutable object (an attribute\nreference, subscription or slicing), the mutable object must\nultimately perform the assignment and decide about its validity, and\nmay raise an exception if the assignment is unacceptable.  The rules\nobserved by various types and the exceptions raised are given with the\ndefinition of the object types (see section *The standard type\nhierarchy*).\n\nAssignment of an object to a target list, optionally enclosed in\nparentheses or square brackets, is recursively defined as follows.\n\n* If the target list is a single target: The object is assigned to\n  that target.\n\n* If the target list is a comma-separated list of targets: The\n  object must be an iterable with the same number of items as there\n  are targets in the target list, and the items are assigned, from\n  left to right, to the corresponding targets.\n\n  * If the target list contains one target prefixed with an\n    asterisk, called a "starred" target: The object must be a sequence\n    with at least as many items as there are targets in the target\n    list, minus one.  The first items of the sequence are assigned,\n    from left to right, to the targets before the starred target.  The\n    final items of the sequence are assigned to the targets after the\n    starred target.  A list of the remaining items in the sequence is\n    then assigned to the starred target (the list can be empty).\n\n  * Else: The object must be a sequence with the same number of\n    items as there are targets in the target list, and the items are\n    assigned, from left to right, to the corresponding targets.\n\nAssignment of an object to a single target is recursively defined as\nfollows.\n\n* If the target is an identifier (name):\n\n  * If the name does not occur in a "global" or "nonlocal" statement\n    in the current code block: the name is bound to the object in the\n    current local namespace.\n\n  * Otherwise: the name is bound to the object in the global\n    namespace or the outer namespace determined by "nonlocal",\n    respectively.\n\n  The name is rebound if it was already bound.  This may cause the\n  reference count for the object previously bound to the name to reach\n  zero, causing the object to be deallocated and its destructor (if it\n  has one) to be called.\n\n* If the target is a target list enclosed in parentheses or in\n  square brackets: The object must be an iterable with the same number\n  of items as there are targets in the target list, and its items are\n  assigned, from left to right, to the corresponding targets.\n\n* If the target is an attribute reference: The primary expression in\n  the reference is evaluated.  It should yield an object with\n  assignable attributes; if this is not the case, "TypeError" is\n  raised.  That object is then asked to assign the assigned object to\n  the given attribute; if it cannot perform the assignment, it raises\n  an exception (usually but not necessarily "AttributeError").\n\n  Note: If the object is a class instance and the attribute reference\n  occurs on both sides of the assignment operator, the RHS expression,\n  "a.x" can access either an instance attribute or (if no instance\n  attribute exists) a class attribute.  The LHS target "a.x" is always\n  set as an instance attribute, creating it if necessary.  Thus, the\n  two occurrences of "a.x" do not necessarily refer to the same\n  attribute: if the RHS expression refers to a class attribute, the\n  LHS creates a new instance attribute as the target of the\n  assignment:\n\n     class Cls:\n         x = 3             # class variable\n     inst = Cls()\n     inst.x = inst.x + 1   # writes inst.x as 4 leaving Cls.x as 3\n\n  This description does not necessarily apply to descriptor\n  attributes, such as properties created with "property()".\n\n* If the target is a subscription: The primary expression in the\n  reference is evaluated.  It should yield either a mutable sequence\n  object (such as a list) or a mapping object (such as a dictionary).\n  Next, the subscript expression is evaluated.\n\n  If the primary is a mutable sequence object (such as a list), the\n  subscript must yield an integer.  If it is negative, the sequence\'s\n  length is added to it.  The resulting value must be a nonnegative\n  integer less than the sequence\'s length, and the sequence is asked\n  to assign the assigned object to its item with that index.  If the\n  index is out of range, "IndexError" is raised (assignment to a\n  subscripted sequence cannot add new items to a list).\n\n  If the primary is a mapping object (such as a dictionary), the\n  subscript must have a type compatible with the mapping\'s key type,\n  and the mapping is then asked to create a key/datum pair which maps\n  the subscript to the assigned object.  This can either replace an\n  existing key/value pair with the same key value, or insert a new\n  key/value pair (if no key with the same value existed).\n\n  For user-defined objects, the "__setitem__()" method is called with\n  appropriate arguments.\n\n* If the target is a slicing: The primary expression in the\n  reference is evaluated.  It should yield a mutable sequence object\n  (such as a list).  The assigned object should be a sequence object\n  of the same type.  Next, the lower and upper bound expressions are\n  evaluated, insofar they are present; defaults are zero and the\n  sequence\'s length.  The bounds should evaluate to integers. If\n  either bound is negative, the sequence\'s length is added to it.  The\n  resulting bounds are clipped to lie between zero and the sequence\'s\n  length, inclusive.  Finally, the sequence object is asked to replace\n  the slice with the items of the assigned sequence.  The length of\n  the slice may be different from the length of the assigned sequence,\n  thus changing the length of the target sequence, if the target\n  sequence allows it.\n\n**CPython implementation detail:** In the current implementation, the\nsyntax for targets is taken to be the same as for expressions, and\ninvalid syntax is rejected during the code generation phase, causing\nless detailed error messages.\n\nAlthough the definition of assignment implies that overlaps between\nthe left-hand side and the right-hand side are \'simultanenous\' (for\nexample "a, b = b, a" swaps two variables), overlaps *within* the\ncollection of assigned-to variables occur left-to-right, sometimes\nresulting in confusion.  For instance, the following program prints\n"[0, 2]":\n\n   x = [0, 1]\n   i = 0\n   i, x[i] = 1, 2         # i is updated, then x[i] is updated\n   print(x)\n\nSee also: **PEP 3132** - Extended Iterable Unpacking\n\n     The specification for the "*target" feature.\n\n\nAugmented assignment statements\n===============================\n\nAugmented assignment is the combination, in a single statement, of a\nbinary operation and an assignment statement:\n\n   augmented_assignment_stmt ::= augtarget augop (expression_list | yield_expression)\n   augtarget                 ::= identifier | attributeref | subscription | slicing\n   augop                     ::= "+=" | "-=" | "*=" | "@=" | "/=" | "//=" | "%=" | "**="\n             | ">>=" | "<<=" | "&=" | "^=" | "|="\n\n(See section *Primaries* for the syntax definitions of the last three\nsymbols.)\n\nAn augmented assignment evaluates the target (which, unlike normal\nassignment statements, cannot be an unpacking) and the expression\nlist, performs the binary operation specific to the type of assignment\non the two operands, and assigns the result to the original target.\nThe target is only evaluated once.\n\nAn augmented assignment expression like "x += 1" can be rewritten as\n"x = x + 1" to achieve a similar, but not exactly equal effect. In the\naugmented version, "x" is only evaluated once. Also, when possible,\nthe actual operation is performed *in-place*, meaning that rather than\ncreating a new object and assigning that to the target, the old object\nis modified instead.\n\nUnlike normal assignments, augmented assignments evaluate the left-\nhand side *before* evaluating the right-hand side.  For example, "a[i]\n+= f(x)" first looks-up "a[i]", then it evaluates "f(x)" and performs\nthe addition, and lastly, it writes the result back to "a[i]".\n\nWith the exception of assigning to tuples and multiple targets in a\nsingle statement, the assignment done by augmented assignment\nstatements is handled the same way as normal assignments. Similarly,\nwith the exception of the possible *in-place* behavior, the binary\noperation performed by augmented assignment is the same as the normal\nbinary operations.\n\nFor targets which are attribute references, the same *caveat about\nclass and instance attributes* applies as for regular assignments.\n',
  'atom-identifiers': u'\nIdentifiers (Names)\n*******************\n\nAn identifier occurring as an atom is a name.  See section\n*Identifiers and keywords* for lexical definition and section *Naming\nand binding* for documentation of naming and binding.\n\nWhen the name is bound to an object, evaluation of the atom yields\nthat object. When a name is not bound, an attempt to evaluate it\nraises a "NameError" exception.\n\n**Private name mangling:** When an identifier that textually occurs in\na class definition begins with two or more underscore characters and\ndoes not end in two or more underscores, it is considered a *private\nname* of that class. Private names are transformed to a longer form\nbefore code is generated for them.  The transformation inserts the\nclass name, with leading underscores removed and a single underscore\ninserted, in front of the name.  For example, the identifier "__spam"\noccurring in a class named "Ham" will be transformed to "_Ham__spam".\nThis transformation is independent of the syntactical context in which\nthe identifier is used.  If the transformed name is extremely long\n(longer than 255 characters), implementation defined truncation may\nhappen. If the class name consists only of underscores, no\ntransformation is done.\n',
  'atom-literals': u"\nLiterals\n********\n\nPython supports string and bytes literals and various numeric\nliterals:\n\n   literal ::= stringliteral | bytesliteral\n               | integer | floatnumber | imagnumber\n\nEvaluation of a literal yields an object of the given type (string,\nbytes, integer, floating point number, complex number) with the given\nvalue.  The value may be approximated in the case of floating point\nand imaginary (complex) literals.  See section *Literals* for details.\n\nAll literals correspond to immutable data types, and hence the\nobject's identity is less important than its value.  Multiple\nevaluations of literals with the same value (either the same\noccurrence in the program text or a different occurrence) may obtain\nthe same object or a different object with the same value.\n",
  'attribute-access': u'\nCustomizing attribute access\n****************************\n\nThe following methods can be defined to customize the meaning of\nattribute access (use of, assignment to, or deletion of "x.name") for\nclass instances.\n\nobject.__getattr__(self, name)\n\n   Called when an attribute lookup has not found the attribute in the\n   usual places (i.e. it is not an instance attribute nor is it found\n   in the class tree for "self").  "name" is the attribute name. This\n   method should return the (computed) attribute value or raise an\n   "AttributeError" exception.\n\n   Note that if the attribute is found through the normal mechanism,\n   "__getattr__()" is not called.  (This is an intentional asymmetry\n   between "__getattr__()" and "__setattr__()".) This is done both for\n   efficiency reasons and because otherwise "__getattr__()" would have\n   no way to access other attributes of the instance.  Note that at\n   least for instance variables, you can fake total control by not\n   inserting any values in the instance attribute dictionary (but\n   instead inserting them in another object).  See the\n   "__getattribute__()" method below for a way to actually get total\n   control over attribute access.\n\nobject.__getattribute__(self, name)\n\n   Called unconditionally to implement attribute accesses for\n   instances of the class. If the class also defines "__getattr__()",\n   the latter will not be called unless "__getattribute__()" either\n   calls it explicitly or raises an "AttributeError". This method\n   should return the (computed) attribute value or raise an\n   "AttributeError" exception. In order to avoid infinite recursion in\n   this method, its implementation should always call the base class\n   method with the same name to access any attributes it needs, for\n   example, "object.__getattribute__(self, name)".\n\n   Note: This method may still be bypassed when looking up special\n     methods as the result of implicit invocation via language syntax\n     or built-in functions. See *Special method lookup*.\n\nobject.__setattr__(self, name, value)\n\n   Called when an attribute assignment is attempted.  This is called\n   instead of the normal mechanism (i.e. store the value in the\n   instance dictionary). *name* is the attribute name, *value* is the\n   value to be assigned to it.\n\n   If "__setattr__()" wants to assign to an instance attribute, it\n   should call the base class method with the same name, for example,\n   "object.__setattr__(self, name, value)".\n\nobject.__delattr__(self, name)\n\n   Like "__setattr__()" but for attribute deletion instead of\n   assignment.  This should only be implemented if "del obj.name" is\n   meaningful for the object.\n\nobject.__dir__(self)\n\n   Called when "dir()" is called on the object. A sequence must be\n   returned. "dir()" converts the returned sequence to a list and\n   sorts it.\n\n\nImplementing Descriptors\n========================\n\nThe following methods only apply when an instance of the class\ncontaining the method (a so-called *descriptor* class) appears in an\n*owner* class (the descriptor must be in either the owner\'s class\ndictionary or in the class dictionary for one of its parents).  In the\nexamples below, "the attribute" refers to the attribute whose name is\nthe key of the property in the owner class\' "__dict__".\n\nobject.__get__(self, instance, owner)\n\n   Called to get the attribute of the owner class (class attribute\n   access) or of an instance of that class (instance attribute\n   access). *owner* is always the owner class, while *instance* is the\n   instance that the attribute was accessed through, or "None" when\n   the attribute is accessed through the *owner*.  This method should\n   return the (computed) attribute value or raise an "AttributeError"\n   exception.\n\nobject.__set__(self, instance, value)\n\n   Called to set the attribute on an instance *instance* of the owner\n   class to a new value, *value*.\n\nobject.__delete__(self, instance)\n\n   Called to delete the attribute on an instance *instance* of the\n   owner class.\n\nThe attribute "__objclass__" is interpreted by the "inspect" module as\nspecifying the class where this object was defined (setting this\nappropriately can assist in runtime introspection of dynamic class\nattributes). For callables, it may indicate that an instance of the\ngiven type (or a subclass) is expected or required as the first\npositional argument (for example, CPython sets this attribute for\nunbound methods that are implemented in C).\n\n\nInvoking Descriptors\n====================\n\nIn general, a descriptor is an object attribute with "binding\nbehavior", one whose attribute access has been overridden by methods\nin the descriptor protocol:  "__get__()", "__set__()", and\n"__delete__()". If any of those methods are defined for an object, it\nis said to be a descriptor.\n\nThe default behavior for attribute access is to get, set, or delete\nthe attribute from an object\'s dictionary. For instance, "a.x" has a\nlookup chain starting with "a.__dict__[\'x\']", then\n"type(a).__dict__[\'x\']", and continuing through the base classes of\n"type(a)" excluding metaclasses.\n\nHowever, if the looked-up value is an object defining one of the\ndescriptor methods, then Python may override the default behavior and\ninvoke the descriptor method instead.  Where this occurs in the\nprecedence chain depends on which descriptor methods were defined and\nhow they were called.\n\nThe starting point for descriptor invocation is a binding, "a.x". How\nthe arguments are assembled depends on "a":\n\nDirect Call\n   The simplest and least common call is when user code directly\n   invokes a descriptor method:    "x.__get__(a)".\n\nInstance Binding\n   If binding to an object instance, "a.x" is transformed into the\n   call: "type(a).__dict__[\'x\'].__get__(a, type(a))".\n\nClass Binding\n   If binding to a class, "A.x" is transformed into the call:\n   "A.__dict__[\'x\'].__get__(None, A)".\n\nSuper Binding\n   If "a" is an instance of "super", then the binding "super(B,\n   obj).m()" searches "obj.__class__.__mro__" for the base class "A"\n   immediately preceding "B" and then invokes the descriptor with the\n   call: "A.__dict__[\'m\'].__get__(obj, obj.__class__)".\n\nFor instance bindings, the precedence of descriptor invocation depends\non the which descriptor methods are defined.  A descriptor can define\nany combination of "__get__()", "__set__()" and "__delete__()".  If it\ndoes not define "__get__()", then accessing the attribute will return\nthe descriptor object itself unless there is a value in the object\'s\ninstance dictionary.  If the descriptor defines "__set__()" and/or\n"__delete__()", it is a data descriptor; if it defines neither, it is\na non-data descriptor.  Normally, data descriptors define both\n"__get__()" and "__set__()", while non-data descriptors have just the\n"__get__()" method.  Data descriptors with "__set__()" and "__get__()"\ndefined always override a redefinition in an instance dictionary.  In\ncontrast, non-data descriptors can be overridden by instances.\n\nPython methods (including "staticmethod()" and "classmethod()") are\nimplemented as non-data descriptors.  Accordingly, instances can\nredefine and override methods.  This allows individual instances to\nacquire behaviors that differ from other instances of the same class.\n\nThe "property()" function is implemented as a data descriptor.\nAccordingly, instances cannot override the behavior of a property.\n\n\n__slots__\n=========\n\nBy default, instances of classes have a dictionary for attribute\nstorage.  This wastes space for objects having very few instance\nvariables.  The space consumption can become acute when creating large\nnumbers of instances.\n\nThe default can be overridden by defining *__slots__* in a class\ndefinition. The *__slots__* declaration takes a sequence of instance\nvariables and reserves just enough space in each instance to hold a\nvalue for each variable.  Space is saved because *__dict__* is not\ncreated for each instance.\n\nobject.__slots__\n\n   This class variable can be assigned a string, iterable, or sequence\n   of strings with variable names used by instances.  *__slots__*\n   reserves space for the declared variables and prevents the\n   automatic creation of *__dict__* and *__weakref__* for each\n   instance.\n\n\nNotes on using *__slots__*\n--------------------------\n\n* When inheriting from a class without *__slots__*, the *__dict__*\n  attribute of that class will always be accessible, so a *__slots__*\n  definition in the subclass is meaningless.\n\n* Without a *__dict__* variable, instances cannot be assigned new\n  variables not listed in the *__slots__* definition.  Attempts to\n  assign to an unlisted variable name raises "AttributeError". If\n  dynamic assignment of new variables is desired, then add\n  "\'__dict__\'" to the sequence of strings in the *__slots__*\n  declaration.\n\n* Without a *__weakref__* variable for each instance, classes\n  defining *__slots__* do not support weak references to its\n  instances. If weak reference support is needed, then add\n  "\'__weakref__\'" to the sequence of strings in the *__slots__*\n  declaration.\n\n* *__slots__* are implemented at the class level by creating\n  descriptors (*Implementing Descriptors*) for each variable name.  As\n  a result, class attributes cannot be used to set default values for\n  instance variables defined by *__slots__*; otherwise, the class\n  attribute would overwrite the descriptor assignment.\n\n* The action of a *__slots__* declaration is limited to the class\n  where it is defined.  As a result, subclasses will have a *__dict__*\n  unless they also define *__slots__* (which must only contain names\n  of any *additional* slots).\n\n* If a class defines a slot also defined in a base class, the\n  instance variable defined by the base class slot is inaccessible\n  (except by retrieving its descriptor directly from the base class).\n  This renders the meaning of the program undefined.  In the future, a\n  check may be added to prevent this.\n\n* Nonempty *__slots__* does not work for classes derived from\n  "variable-length" built-in types such as "int", "bytes" and "tuple".\n\n* Any non-string iterable may be assigned to *__slots__*. Mappings\n  may also be used; however, in the future, special meaning may be\n  assigned to the values corresponding to each key.\n\n* *__class__* assignment works only if both classes have the same\n  *__slots__*.\n',
  'attribute-references': u'\nAttribute references\n********************\n\nAn attribute reference is a primary followed by a period and a name:\n\n   attributeref ::= primary "." identifier\n\nThe primary must evaluate to an object of a type that supports\nattribute references, which most objects do.  This object is then\nasked to produce the attribute whose name is the identifier.  This\nproduction can be customized by overriding the "__getattr__()" method.\nIf this attribute is not available, the exception "AttributeError" is\nraised.  Otherwise, the type and value of the object produced is\ndetermined by the object.  Multiple evaluations of the same attribute\nreference may yield different objects.\n',
- 'augassign': u'\nAugmented assignment statements\n*******************************\n\nAugmented assignment is the combination, in a single statement, of a\nbinary operation and an assignment statement:\n\n   augmented_assignment_stmt ::= augtarget augop (expression_list | yield_expression)\n   augtarget                 ::= identifier | attributeref | subscription | slicing\n   augop                     ::= "+=" | "-=" | "*=" | "/=" | "//=" | "%=" | "**="\n             | ">>=" | "<<=" | "&=" | "^=" | "|="\n\n(See section *Primaries* for the syntax definitions of the last three\nsymbols.)\n\nAn augmented assignment evaluates the target (which, unlike normal\nassignment statements, cannot be an unpacking) and the expression\nlist, performs the binary operation specific to the type of assignment\non the two operands, and assigns the result to the original target.\nThe target is only evaluated once.\n\nAn augmented assignment expression like "x += 1" can be rewritten as\n"x = x + 1" to achieve a similar, but not exactly equal effect. In the\naugmented version, "x" is only evaluated once. Also, when possible,\nthe actual operation is performed *in-place*, meaning that rather than\ncreating a new object and assigning that to the target, the old object\nis modified instead.\n\nUnlike normal assignments, augmented assignments evaluate the left-\nhand side *before* evaluating the right-hand side.  For example, "a[i]\n+= f(x)" first looks-up "a[i]", then it evaluates "f(x)" and performs\nthe addition, and lastly, it writes the result back to "a[i]".\n\nWith the exception of assigning to tuples and multiple targets in a\nsingle statement, the assignment done by augmented assignment\nstatements is handled the same way as normal assignments. Similarly,\nwith the exception of the possible *in-place* behavior, the binary\noperation performed by augmented assignment is the same as the normal\nbinary operations.\n\nFor targets which are attribute references, the same *caveat about\nclass and instance attributes* applies as for regular assignments.\n',
- 'binary': u'\nBinary arithmetic operations\n****************************\n\nThe binary arithmetic operations have the conventional priority\nlevels.  Note that some of these operations also apply to certain non-\nnumeric types.  Apart from the power operator, there are only two\nlevels, one for multiplicative operators and one for additive\noperators:\n\n   m_expr ::= u_expr | m_expr "*" u_expr | m_expr "//" u_expr | m_expr "/" u_expr\n              | m_expr "%" u_expr\n   a_expr ::= m_expr | a_expr "+" m_expr | a_expr "-" m_expr\n\nThe "*" (multiplication) operator yields the product of its arguments.\nThe arguments must either both be numbers, or one argument must be an\ninteger and the other must be a sequence. In the former case, the\nnumbers are converted to a common type and then multiplied together.\nIn the latter case, sequence repetition is performed; a negative\nrepetition factor yields an empty sequence.\n\nThe "/" (division) and "//" (floor division) operators yield the\nquotient of their arguments.  The numeric arguments are first\nconverted to a common type. Division of integers yields a float, while\nfloor division of integers results in an integer; the result is that\nof mathematical division with the \'floor\' function applied to the\nresult.  Division by zero raises the "ZeroDivisionError" exception.\n\nThe "%" (modulo) operator yields the remainder from the division of\nthe first argument by the second.  The numeric arguments are first\nconverted to a common type.  A zero right argument raises the\n"ZeroDivisionError" exception.  The arguments may be floating point\nnumbers, e.g., "3.14%0.7" equals "0.34" (since "3.14" equals "4*0.7 +\n0.34".)  The modulo operator always yields a result with the same sign\nas its second operand (or zero); the absolute value of the result is\nstrictly smaller than the absolute value of the second operand [1].\n\nThe floor division and modulo operators are connected by the following\nidentity: "x == (x//y)*y + (x%y)".  Floor division and modulo are also\nconnected with the built-in function "divmod()": "divmod(x, y) ==\n(x//y, x%y)". [2].\n\nIn addition to performing the modulo operation on numbers, the "%"\noperator is also overloaded by string objects to perform old-style\nstring formatting (also known as interpolation).  The syntax for\nstring formatting is described in the Python Library Reference,\nsection *printf-style String Formatting*.\n\nThe floor division operator, the modulo operator, and the "divmod()"\nfunction are not defined for complex numbers.  Instead, convert to a\nfloating point number using the "abs()" function if appropriate.\n\nThe "+" (addition) operator yields the sum of its arguments.  The\narguments must either both be numbers or both be sequences of the same\ntype.  In the former case, the numbers are converted to a common type\nand then added together. In the latter case, the sequences are\nconcatenated.\n\nThe "-" (subtraction) operator yields the difference of its arguments.\nThe numeric arguments are first converted to a common type.\n',
+ 'augassign': u'\nAugmented assignment statements\n*******************************\n\nAugmented assignment is the combination, in a single statement, of a\nbinary operation and an assignment statement:\n\n   augmented_assignment_stmt ::= augtarget augop (expression_list | yield_expression)\n   augtarget                 ::= identifier | attributeref | subscription | slicing\n   augop                     ::= "+=" | "-=" | "*=" | "@=" | "/=" | "//=" | "%=" | "**="\n             | ">>=" | "<<=" | "&=" | "^=" | "|="\n\n(See section *Primaries* for the syntax definitions of the last three\nsymbols.)\n\nAn augmented assignment evaluates the target (which, unlike normal\nassignment statements, cannot be an unpacking) and the expression\nlist, performs the binary operation specific to the type of assignment\non the two operands, and assigns the result to the original target.\nThe target is only evaluated once.\n\nAn augmented assignment expression like "x += 1" can be rewritten as\n"x = x + 1" to achieve a similar, but not exactly equal effect. In the\naugmented version, "x" is only evaluated once. Also, when possible,\nthe actual operation is performed *in-place*, meaning that rather than\ncreating a new object and assigning that to the target, the old object\nis modified instead.\n\nUnlike normal assignments, augmented assignments evaluate the left-\nhand side *before* evaluating the right-hand side.  For example, "a[i]\n+= f(x)" first looks-up "a[i]", then it evaluates "f(x)" and performs\nthe addition, and lastly, it writes the result back to "a[i]".\n\nWith the exception of assigning to tuples and multiple targets in a\nsingle statement, the assignment done by augmented assignment\nstatements is handled the same way as normal assignments. Similarly,\nwith the exception of the possible *in-place* behavior, the binary\noperation performed by augmented assignment is the same as the normal\nbinary operations.\n\nFor targets which are attribute references, the same *caveat about\nclass and instance attributes* applies as for regular assignments.\n',
+ 'binary': u'\nBinary arithmetic operations\n****************************\n\nThe binary arithmetic operations have the conventional priority\nlevels.  Note that some of these operations also apply to certain non-\nnumeric types.  Apart from the power operator, there are only two\nlevels, one for multiplicative operators and one for additive\noperators:\n\n   m_expr ::= u_expr | m_expr "*" u_expr | m_expr "@" m_expr |\n              m_expr "//" u_expr| m_expr "/" u_expr |\n              m_expr "%" u_expr\n   a_expr ::= m_expr | a_expr "+" m_expr | a_expr "-" m_expr\n\nThe "*" (multiplication) operator yields the product of its arguments.\nThe arguments must either both be numbers, or one argument must be an\ninteger and the other must be a sequence. In the former case, the\nnumbers are converted to a common type and then multiplied together.\nIn the latter case, sequence repetition is performed; a negative\nrepetition factor yields an empty sequence.\n\nThe "@" (at) operator is intended to be used for matrix\nmultiplication.  No builtin Python types implement this operator.\n\nNew in version 3.5.\n\nThe "/" (division) and "//" (floor division) operators yield the\nquotient of their arguments.  The numeric arguments are first\nconverted to a common type. Division of integers yields a float, while\nfloor division of integers results in an integer; the result is that\nof mathematical division with the \'floor\' function applied to the\nresult.  Division by zero raises the "ZeroDivisionError" exception.\n\nThe "%" (modulo) operator yields the remainder from the division of\nthe first argument by the second.  The numeric arguments are first\nconverted to a common type.  A zero right argument raises the\n"ZeroDivisionError" exception.  The arguments may be floating point\nnumbers, e.g., "3.14%0.7" equals "0.34" (since "3.14" equals "4*0.7 +\n0.34".)  The modulo operator always yields a result with the same sign\nas its second operand (or zero); the absolute value of the result is\nstrictly smaller than the absolute value of the second operand [1].\n\nThe floor division and modulo operators are connected by the following\nidentity: "x == (x//y)*y + (x%y)".  Floor division and modulo are also\nconnected with the built-in function "divmod()": "divmod(x, y) ==\n(x//y, x%y)". [2].\n\nIn addition to performing the modulo operation on numbers, the "%"\noperator is also overloaded by string objects to perform old-style\nstring formatting (also known as interpolation).  The syntax for\nstring formatting is described in the Python Library Reference,\nsection *printf-style String Formatting*.\n\nThe floor division operator, the modulo operator, and the "divmod()"\nfunction are not defined for complex numbers.  Instead, convert to a\nfloating point number using the "abs()" function if appropriate.\n\nThe "+" (addition) operator yields the sum of its arguments.  The\narguments must either both be numbers or both be sequences of the same\ntype.  In the former case, the numbers are converted to a common type\nand then added together. In the latter case, the sequences are\nconcatenated.\n\nThe "-" (subtraction) operator yields the difference of its arguments.\nThe numeric arguments are first converted to a common type.\n',
  'bitwise': u'\nBinary bitwise operations\n*************************\n\nEach of the three bitwise operations has a different priority level:\n\n   and_expr ::= shift_expr | and_expr "&" shift_expr\n   xor_expr ::= and_expr | xor_expr "^" and_expr\n   or_expr  ::= xor_expr | or_expr "|" xor_expr\n\nThe "&" operator yields the bitwise AND of its arguments, which must\nbe integers.\n\nThe "^" operator yields the bitwise XOR (exclusive OR) of its\narguments, which must be integers.\n\nThe "|" operator yields the bitwise (inclusive) OR of its arguments,\nwhich must be integers.\n',
  'bltin-code-objects': u'\nCode Objects\n************\n\nCode objects are used by the implementation to represent "pseudo-\ncompiled" executable Python code such as a function body. They differ\nfrom function objects because they don\'t contain a reference to their\nglobal execution environment.  Code objects are returned by the built-\nin "compile()" function and can be extracted from function objects\nthrough their "__code__" attribute. See also the "code" module.\n\nA code object can be executed or evaluated by passing it (instead of a\nsource string) to the "exec()" or "eval()"  built-in functions.\n\nSee *The standard type hierarchy* for more information.\n',
  'bltin-ellipsis-object': u'\nThe Ellipsis Object\n*******************\n\nThis object is commonly used by slicing (see *Slicings*).  It supports\nno special operations.  There is exactly one ellipsis object, named\n"Ellipsis" (a built-in name).  "type(Ellipsis)()" produces the\n"Ellipsis" singleton.\n\nIt is written as "Ellipsis" or "...".\n',
@@ -18,7 +18,7 @@ topics = {'assert': u'\nThe "assert" statement\n**********************\n\nAssert
  'callable-types': u'\nEmulating callable objects\n**************************\n\nobject.__call__(self[, args...])\n\n   Called when the instance is "called" as a function; if this method\n   is defined, "x(arg1, arg2, ...)" is a shorthand for\n   "x.__call__(arg1, arg2, ...)".\n',
  'calls': u'\nCalls\n*****\n\nA call calls a callable object (e.g., a *function*) with a possibly\nempty series of *arguments*:\n\n   call                 ::= primary "(" [argument_list [","] | comprehension] ")"\n   argument_list        ::= positional_arguments ["," keyword_arguments]\n                       ["," "*" expression] ["," keyword_arguments]\n                       ["," "**" expression]\n                     | keyword_arguments ["," "*" expression]\n                       ["," keyword_arguments] ["," "**" expression]\n                     | "*" expression ["," keyword_arguments] ["," "**" expression]\n                     | "**" expression\n   positional_arguments ::= expression ("," expression)*\n   keyword_arguments    ::= keyword_item ("," keyword_item)*\n   keyword_item         ::= identifier "=" expression\n\nAn optional trailing comma may be present after the positional and\nkeyword arguments but does not affect the semantics.\n\nThe primary must evaluate to a callable object (user-defined\nfunctions, built-in functions, methods of built-in objects, class\nobjects, methods of class instances, and all objects having a\n"__call__()" method are callable).  All argument expressions are\nevaluated before the call is attempted.  Please refer to section\n*Function definitions* for the syntax of formal *parameter* lists.\n\nIf keyword arguments are present, they are first converted to\npositional arguments, as follows.  First, a list of unfilled slots is\ncreated for the formal parameters.  If there are N positional\narguments, they are placed in the first N slots.  Next, for each\nkeyword argument, the identifier is used to determine the\ncorresponding slot (if the identifier is the same as the first formal\nparameter name, the first slot is used, and so on).  If the slot is\nalready filled, a "TypeError" exception is raised. Otherwise, the\nvalue of the argument is placed in the slot, filling it (even if the\nexpression is "None", it fills the slot).  When all arguments have\nbeen processed, the slots that are still unfilled are filled with the\ncorresponding default value from the function definition.  (Default\nvalues are calculated, once, when the function is defined; thus, a\nmutable object such as a list or dictionary used as default value will\nbe shared by all calls that don\'t specify an argument value for the\ncorresponding slot; this should usually be avoided.)  If there are any\nunfilled slots for which no default value is specified, a "TypeError"\nexception is raised.  Otherwise, the list of filled slots is used as\nthe argument list for the call.\n\n**CPython implementation detail:** An implementation may provide\nbuilt-in functions whose positional parameters do not have names, even\nif they are \'named\' for the purpose of documentation, and which\ntherefore cannot be supplied by keyword.  In CPython, this is the case\nfor functions implemented in C that use "PyArg_ParseTuple()" to parse\ntheir arguments.\n\nIf there are more positional arguments than there are formal parameter\nslots, a "TypeError" exception is raised, unless a formal parameter\nusing the syntax "*identifier" is present; in this case, that formal\nparameter receives a tuple containing the excess positional arguments\n(or an empty tuple if there were no excess positional arguments).\n\nIf any keyword argument does not correspond to a formal parameter\nname, a "TypeError" exception is raised, unless a formal parameter\nusing the syntax "**identifier" is present; in this case, that formal\nparameter receives a dictionary containing the excess keyword\narguments (using the keywords as keys and the argument values as\ncorresponding values), or a (new) empty dictionary if there were no\nexcess keyword arguments.\n\nIf the syntax "*expression" appears in the function call, "expression"\nmust evaluate to an iterable.  Elements from this iterable are treated\nas if they were additional positional arguments; if there are\npositional arguments *x1*, ..., *xN*, and "expression" evaluates to a\nsequence *y1*, ..., *yM*, this is equivalent to a call with M+N\npositional arguments *x1*, ..., *xN*, *y1*, ..., *yM*.\n\nA consequence of this is that although the "*expression" syntax may\nappear *after* some keyword arguments, it is processed *before* the\nkeyword arguments (and the "**expression" argument, if any -- see\nbelow).  So:\n\n   >>> def f(a, b):\n   ...  print(a, b)\n   ...\n   >>> f(b=1, *(2,))\n   2 1\n   >>> f(a=1, *(2,))\n   Traceback (most recent call last):\n     File "<stdin>", line 1, in ?\n   TypeError: f() got multiple values for keyword argument \'a\'\n   >>> f(1, *(2,))\n   1 2\n\nIt is unusual for both keyword arguments and the "*expression" syntax\nto be used in the same call, so in practice this confusion does not\narise.\n\nIf the syntax "**expression" appears in the function call,\n"expression" must evaluate to a mapping, the contents of which are\ntreated as additional keyword arguments.  In the case of a keyword\nappearing in both "expression" and as an explicit keyword argument, a\n"TypeError" exception is raised.\n\nFormal parameters using the syntax "*identifier" or "**identifier"\ncannot be used as positional argument slots or as keyword argument\nnames.\n\nA call always returns some value, possibly "None", unless it raises an\nexception.  How this value is computed depends on the type of the\ncallable object.\n\nIf it is---\n\na user-defined function:\n   The code block for the function is executed, passing it the\n   argument list.  The first thing the code block will do is bind the\n   formal parameters to the arguments; this is described in section\n   *Function definitions*.  When the code block executes a "return"\n   statement, this specifies the return value of the function call.\n\na built-in function or method:\n   The result is up to the interpreter; see *Built-in Functions* for\n   the descriptions of built-in functions and methods.\n\na class object:\n   A new instance of that class is returned.\n\na class instance method:\n   The corresponding user-defined function is called, with an argument\n   list that is one longer than the argument list of the call: the\n   instance becomes the first argument.\n\na class instance:\n   The class must define a "__call__()" method; the effect is then the\n   same as if that method was called.\n',
  'class': u'\nClass definitions\n*****************\n\nA class definition defines a class object (see section *The standard\ntype hierarchy*):\n\n   classdef    ::= [decorators] "class" classname [inheritance] ":" suite\n   inheritance ::= "(" [parameter_list] ")"\n   classname   ::= identifier\n\nA class definition is an executable statement.  The inheritance list\nusually gives a list of base classes (see *Customizing class creation*\nfor more advanced uses), so each item in the list should evaluate to a\nclass object which allows subclassing.  Classes without an inheritance\nlist inherit, by default, from the base class "object"; hence,\n\n   class Foo:\n       pass\n\nis equivalent to\n\n   class Foo(object):\n       pass\n\nThe class\'s suite is then executed in a new execution frame (see\n*Naming and binding*), using a newly created local namespace and the\noriginal global namespace. (Usually, the suite contains mostly\nfunction definitions.)  When the class\'s suite finishes execution, its\nexecution frame is discarded but its local namespace is saved. [4] A\nclass object is then created using the inheritance list for the base\nclasses and the saved local namespace for the attribute dictionary.\nThe class name is bound to this class object in the original local\nnamespace.\n\nClass creation can be customized heavily using *metaclasses*.\n\nClasses can also be decorated: just like when decorating functions,\n\n   @f1(arg)\n   @f2\n   class Foo: pass\n\nis equivalent to\n\n   class Foo: pass\n   Foo = f1(arg)(f2(Foo))\n\nThe evaluation rules for the decorator expressions are the same as for\nfunction decorators.  The result must be a class object, which is then\nbound to the class name.\n\n**Programmer\'s note:** Variables defined in the class definition are\nclass attributes; they are shared by instances.  Instance attributes\ncan be set in a method with "self.name = value".  Both class and\ninstance attributes are accessible through the notation ""self.name"",\nand an instance attribute hides a class attribute with the same name\nwhen accessed in this way.  Class attributes can be used as defaults\nfor instance attributes, but using mutable values there can lead to\nunexpected results.  *Descriptors* can be used to create instance\nvariables with different implementation details.\n\nSee also: **PEP 3115** - Metaclasses in Python 3 **PEP 3129** -\n  Class Decorators\n\n-[ Footnotes ]-\n\n[1] The exception is propagated to the invocation stack unless\n    there is a "finally" clause which happens to raise another\n    exception. That new exception causes the old one to be lost.\n\n[2] Currently, control "flows off the end" except in the case of\n    an exception or the execution of a "return", "continue", or\n    "break" statement.\n\n[3] A string literal appearing as the first statement in the\n    function body is transformed into the function\'s "__doc__"\n    attribute and therefore the function\'s *docstring*.\n\n[4] A string literal appearing as the first statement in the class\n    body is transformed into the namespace\'s "__doc__" item and\n    therefore the class\'s *docstring*.\n',
- 'comparisons': u'\nComparisons\n***********\n\nUnlike C, all comparison operations in Python have the same priority,\nwhich is lower than that of any arithmetic, shifting or bitwise\noperation.  Also unlike C, expressions like "a < b < c" have the\ninterpretation that is conventional in mathematics:\n\n   comparison    ::= or_expr ( comp_operator or_expr )*\n   comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "!="\n                     | "is" ["not"] | ["not"] "in"\n\nComparisons yield boolean values: "True" or "False".\n\nComparisons can be chained arbitrarily, e.g., "x < y <= z" is\nequivalent to "x < y and y <= z", except that "y" is evaluated only\nonce (but in both cases "z" is not evaluated at all when "x < y" is\nfound to be false).\n\nFormally, if *a*, *b*, *c*, ..., *y*, *z* are expressions and *op1*,\n*op2*, ..., *opN* are comparison operators, then "a op1 b op2 c ... y\nopN z" is equivalent to "a op1 b and b op2 c and ... y opN z", except\nthat each expression is evaluated at most once.\n\nNote that "a op1 b op2 c" doesn\'t imply any kind of comparison between\n*a* and *c*, so that, e.g., "x < y > z" is perfectly legal (though\nperhaps not pretty).\n\nThe operators "<", ">", "==", ">=", "<=", and "!=" compare the values\nof two objects.  The objects need not have the same type. If both are\nnumbers, they are converted to a common type.  Otherwise, the "==" and\n"!=" operators *always* consider objects of different types to be\nunequal, while the "<", ">", ">=" and "<=" operators raise a\n"TypeError" when comparing objects of different types that do not\nimplement these operators for the given pair of types.  You can\ncontrol comparison behavior of objects of non-built-in types by\ndefining rich comparison methods like "__gt__()", described in section\n*Basic customization*.\n\nComparison of objects of the same type depends on the type:\n\n* Numbers are compared arithmetically.\n\n* The values "float(\'NaN\')" and "Decimal(\'NaN\')" are special. The\n  are identical to themselves, "x is x" but are not equal to\n  themselves, "x != x".  Additionally, comparing any value to a\n  not-a-number value will return "False".  For example, both "3 <\n  float(\'NaN\')" and "float(\'NaN\') < 3" will return "False".\n\n* Bytes objects are compared lexicographically using the numeric\n  values of their elements.\n\n* Strings are compared lexicographically using the numeric\n  equivalents (the result of the built-in function "ord()") of their\n  characters. [3] String and bytes object can\'t be compared!\n\n* Tuples and lists are compared lexicographically using comparison\n  of corresponding elements.  This means that to compare equal, each\n  element must compare equal and the two sequences must be of the same\n  type and have the same length.\n\n  If not equal, the sequences are ordered the same as their first\n  differing elements.  For example, "[1,2,x] <= [1,2,y]" has the same\n  value as "x <= y".  If the corresponding element does not exist, the\n  shorter sequence is ordered first (for example, "[1,2] < [1,2,3]").\n\n* Mappings (dictionaries) compare equal if and only if they have the\n  same "(key, value)" pairs. Order comparisons "(\'<\', \'<=\', \'>=\',\n  \'>\')" raise "TypeError".\n\n* Sets and frozensets define comparison operators to mean subset and\n  superset tests.  Those relations do not define total orderings (the\n  two sets "{1,2}" and {2,3} are not equal, nor subsets of one\n  another, nor supersets of one another).  Accordingly, sets are not\n  appropriate arguments for functions which depend on total ordering.\n  For example, "min()", "max()", and "sorted()" produce undefined\n  results given a list of sets as inputs.\n\n* Most other objects of built-in types compare unequal unless they\n  are the same object; the choice whether one object is considered\n  smaller or larger than another one is made arbitrarily but\n  consistently within one execution of a program.\n\nComparison of objects of differing types depends on whether either of\nthe types provide explicit support for the comparison.  Most numeric\ntypes can be compared with one another.  When cross-type comparison is\nnot supported, the comparison method returns "NotImplemented".\n\nThe operators "in" and "not in" test for membership.  "x in s"\nevaluates to true if *x* is a member of *s*, and false otherwise.  "x\nnot in s" returns the negation of "x in s".  All built-in sequences\nand set types support this as well as dictionary, for which "in" tests\nwhether the dictionary has a given key. For container types such as\nlist, tuple, set, frozenset, dict, or collections.deque, the\nexpression "x in y" is equivalent to "any(x is e or x == e for e in\ny)".\n\nFor the string and bytes types, "x in y" is true if and only if *x* is\na substring of *y*.  An equivalent test is "y.find(x) != -1".  Empty\nstrings are always considered to be a substring of any other string,\nso """ in "abc"" will return "True".\n\nFor user-defined classes which define the "__contains__()" method, "x\nin y" is true if and only if "y.__contains__(x)" is true.\n\nFor user-defined classes which do not define "__contains__()" but do\ndefine "__iter__()", "x in y" is true if some value "z" with "x == z"\nis produced while iterating over "y".  If an exception is raised\nduring the iteration, it is as if "in" raised that exception.\n\nLastly, the old-style iteration protocol is tried: if a class defines\n"__getitem__()", "x in y" is true if and only if there is a non-\nnegative integer index *i* such that "x == y[i]", and all lower\ninteger indices do not raise "IndexError" exception.  (If any other\nexception is raised, it is as if "in" raised that exception).\n\nThe operator "not in" is defined to have the inverse true value of\n"in".\n\nThe operators "is" and "is not" test for object identity: "x is y" is\ntrue if and only if *x* and *y* are the same object.  "x is not y"\nyields the inverse truth value. [4]\n',
+ 'comparisons': u'\nComparisons\n***********\n\nUnlike C, all comparison operations in Python have the same priority,\nwhich is lower than that of any arithmetic, shifting or bitwise\noperation.  Also unlike C, expressions like "a < b < c" have the\ninterpretation that is conventional in mathematics:\n\n   comparison    ::= or_expr ( comp_operator or_expr )*\n   comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "!="\n                     | "is" ["not"] | ["not"] "in"\n\nComparisons yield boolean values: "True" or "False".\n\nComparisons can be chained arbitrarily, e.g., "x < y <= z" is\nequivalent to "x < y and y <= z", except that "y" is evaluated only\nonce (but in both cases "z" is not evaluated at all when "x < y" is\nfound to be false).\n\nFormally, if *a*, *b*, *c*, ..., *y*, *z* are expressions and *op1*,\n*op2*, ..., *opN* are comparison operators, then "a op1 b op2 c ... y\nopN z" is equivalent to "a op1 b and b op2 c and ... y opN z", except\nthat each expression is evaluated at most once.\n\nNote that "a op1 b op2 c" doesn\'t imply any kind of comparison between\n*a* and *c*, so that, e.g., "x < y > z" is perfectly legal (though\nperhaps not pretty).\n\nThe operators "<", ">", "==", ">=", "<=", and "!=" compare the values\nof two objects.  The objects need not have the same type. If both are\nnumbers, they are converted to a common type.  Otherwise, the "==" and\n"!=" operators *always* consider objects of different types to be\nunequal, while the "<", ">", ">=" and "<=" operators raise a\n"TypeError" when comparing objects of different types that do not\nimplement these operators for the given pair of types.  You can\ncontrol comparison behavior of objects of non-built-in types by\ndefining rich comparison methods like "__gt__()", described in section\n*Basic customization*.\n\nComparison of objects of the same type depends on the type:\n\n* Numbers are compared arithmetically.\n\n* The values "float(\'NaN\')" and "Decimal(\'NaN\')" are special. They\n  are identical to themselves, "x is x" but are not equal to\n  themselves, "x != x".  Additionally, comparing any value to a\n  not-a-number value will return "False".  For example, both "3 <\n  float(\'NaN\')" and "float(\'NaN\') < 3" will return "False".\n\n* Bytes objects are compared lexicographically using the numeric\n  values of their elements.\n\n* Strings are compared lexicographically using the numeric\n  equivalents (the result of the built-in function "ord()") of their\n  characters. [3] String and bytes object can\'t be compared!\n\n* Tuples and lists are compared lexicographically using comparison\n  of corresponding elements.  This means that to compare equal, each\n  element must compare equal and the two sequences must be of the same\n  type and have the same length.\n\n  If not equal, the sequences are ordered the same as their first\n  differing elements.  For example, "[1,2,x] <= [1,2,y]" has the same\n  value as "x <= y".  If the corresponding element does not exist, the\n  shorter sequence is ordered first (for example, "[1,2] < [1,2,3]").\n\n* Mappings (dictionaries) compare equal if and only if they have the\n  same "(key, value)" pairs. Order comparisons "(\'<\', \'<=\', \'>=\',\n  \'>\')" raise "TypeError".\n\n* Sets and frozensets define comparison operators to mean subset and\n  superset tests.  Those relations do not define total orderings (the\n  two sets "{1,2}" and {2,3} are not equal, nor subsets of one\n  another, nor supersets of one another).  Accordingly, sets are not\n  appropriate arguments for functions which depend on total ordering.\n  For example, "min()", "max()", and "sorted()" produce undefined\n  results given a list of sets as inputs.\n\n* Most other objects of built-in types compare unequal unless they\n  are the same object; the choice whether one object is considered\n  smaller or larger than another one is made arbitrarily but\n  consistently within one execution of a program.\n\nComparison of objects of differing types depends on whether either of\nthe types provide explicit support for the comparison.  Most numeric\ntypes can be compared with one another.  When cross-type comparison is\nnot supported, the comparison method returns "NotImplemented".\n\nThe operators "in" and "not in" test for membership.  "x in s"\nevaluates to true if *x* is a member of *s*, and false otherwise.  "x\nnot in s" returns the negation of "x in s".  All built-in sequences\nand set types support this as well as dictionary, for which "in" tests\nwhether the dictionary has a given key. For container types such as\nlist, tuple, set, frozenset, dict, or collections.deque, the\nexpression "x in y" is equivalent to "any(x is e or x == e for e in\ny)".\n\nFor the string and bytes types, "x in y" is true if and only if *x* is\na substring of *y*.  An equivalent test is "y.find(x) != -1".  Empty\nstrings are always considered to be a substring of any other string,\nso """ in "abc"" will return "True".\n\nFor user-defined classes which define the "__contains__()" method, "x\nin y" is true if and only if "y.__contains__(x)" is true.\n\nFor user-defined classes which do not define "__contains__()" but do\ndefine "__iter__()", "x in y" is true if some value "z" with "x == z"\nis produced while iterating over "y".  If an exception is raised\nduring the iteration, it is as if "in" raised that exception.\n\nLastly, the old-style iteration protocol is tried: if a class defines\n"__getitem__()", "x in y" is true if and only if there is a non-\nnegative integer index *i* such that "x == y[i]", and all lower\ninteger indices do not raise "IndexError" exception.  (If any other\nexception is raised, it is as if "in" raised that exception).\n\nThe operator "not in" is defined to have the inverse true value of\n"in".\n\nThe operators "is" and "is not" test for object identity: "x is y" is\ntrue if and only if *x* and *y* are the same object.  "x is not y"\nyields the inverse truth value. [4]\n',
  'compound': u'\nCompound statements\n*******************\n\nCompound statements contain (groups of) other statements; they affect\nor control the execution of those other statements in some way.  In\ngeneral, compound statements span multiple lines, although in simple\nincarnations a whole compound statement may be contained in one line.\n\nThe "if", "while" and "for" statements implement traditional control\nflow constructs.  "try" specifies exception handlers and/or cleanup\ncode for a group of statements, while the "with" statement allows the\nexecution of initialization and finalization code around a block of\ncode.  Function and class definitions are also syntactically compound\nstatements.\n\nA compound statement consists of one or more \'clauses.\'  A clause\nconsists of a header and a \'suite.\'  The clause headers of a\nparticular compound statement are all at the same indentation level.\nEach clause header begins with a uniquely identifying keyword and ends\nwith a colon.  A suite is a group of statements controlled by a\nclause.  A suite can be one or more semicolon-separated simple\nstatements on the same line as the header, following the header\'s\ncolon, or it can be one or more indented statements on subsequent\nlines.  Only the latter form of a suite can contain nested compound\nstatements; the following is illegal, mostly because it wouldn\'t be\nclear to which "if" clause a following "else" clause would belong:\n\n   if test1: if test2: print(x)\n\nAlso note that the semicolon binds tighter than the colon in this\ncontext, so that in the following example, either all or none of the\n"print()" calls are executed:\n\n   if x < y < z: print(x); print(y); print(z)\n\nSummarizing:\n\n   compound_stmt ::= if_stmt\n                     | while_stmt\n                     | for_stmt\n                     | try_stmt\n                     | with_stmt\n                     | funcdef\n                     | classdef\n   suite         ::= stmt_list NEWLINE | NEWLINE INDENT statement+ DEDENT\n   statement     ::= stmt_list NEWLINE | compound_stmt\n   stmt_list     ::= simple_stmt (";" simple_stmt)* [";"]\n\nNote that statements always end in a "NEWLINE" possibly followed by a\n"DEDENT".  Also note that optional continuation clauses always begin\nwith a keyword that cannot start a statement, thus there are no\nambiguities (the \'dangling "else"\' problem is solved in Python by\nrequiring nested "if" statements to be indented).\n\nThe formatting of the grammar rules in the following sections places\neach clause on a separate line for clarity.\n\n\nThe "if" statement\n==================\n\nThe "if" statement is used for conditional execution:\n\n   if_stmt ::= "if" expression ":" suite\n               ( "elif" expression ":" suite )*\n               ["else" ":" suite]\n\nIt selects exactly one of the suites by evaluating the expressions one\nby one until one is found to be true (see section *Boolean operations*\nfor the definition of true and false); then that suite is executed\n(and no other part of the "if" statement is executed or evaluated).\nIf all expressions are false, the suite of the "else" clause, if\npresent, is executed.\n\n\nThe "while" statement\n=====================\n\nThe "while" statement is used for repeated execution as long as an\nexpression is true:\n\n   while_stmt ::= "while" expression ":" suite\n                  ["else" ":" suite]\n\nThis repeatedly tests the expression and, if it is true, executes the\nfirst suite; if the expression is false (which may be the first time\nit is tested) the suite of the "else" clause, if present, is executed\nand the loop terminates.\n\nA "break" statement executed in the first suite terminates the loop\nwithout executing the "else" clause\'s suite.  A "continue" statement\nexecuted in the first suite skips the rest of the suite and goes back\nto testing the expression.\n\n\nThe "for" statement\n===================\n\nThe "for" statement is used to iterate over the elements of a sequence\n(such as a string, tuple or list) or other iterable object:\n\n   for_stmt ::= "for" target_list "in" expression_list ":" suite\n                ["else" ":" suite]\n\nThe expression list is evaluated once; it should yield an iterable\nobject.  An iterator is created for the result of the\n"expression_list".  The suite is then executed once for each item\nprovided by the iterator, in the order returned by the iterator.  Each\nitem in turn is assigned to the target list using the standard rules\nfor assignments (see *Assignment statements*), and then the suite is\nexecuted.  When the items are exhausted (which is immediately when the\nsequence is empty or an iterator raises a "StopIteration" exception),\nthe suite in the "else" clause, if present, is executed, and the loop\nterminates.\n\nA "break" statement executed in the first suite terminates the loop\nwithout executing the "else" clause\'s suite.  A "continue" statement\nexecuted in the first suite skips the rest of the suite and continues\nwith the next item, or with the "else" clause if there is no next\nitem.\n\nThe for-loop makes assignments to the variables(s) in the target list.\nThis overwrites all previous assignments to those variables including\nthose made in the suite of the for-loop:\n\n   for i in range(10):\n       print(i)\n       i = 5             # this will not affect the for-loop\n                         # because i will be overwritten with the next\n                         # index in the range\n\nNames in the target list are not deleted when the loop is finished,\nbut if the sequence is empty, they will not have been assigned to at\nall by the loop.  Hint: the built-in function "range()" returns an\niterator of integers suitable to emulate the effect of Pascal\'s "for i\n:= a to b do"; e.g., "list(range(3))" returns the list "[0, 1, 2]".\n\nNote: There is a subtlety when the sequence is being modified by the\n  loop (this can only occur for mutable sequences, i.e. lists).  An\n  internal counter is used to keep track of which item is used next,\n  and this is incremented on each iteration.  When this counter has\n  reached the length of the sequence the loop terminates.  This means\n  that if the suite deletes the current (or a previous) item from the\n  sequence, the next item will be skipped (since it gets the index of\n  the current item which has already been treated).  Likewise, if the\n  suite inserts an item in the sequence before the current item, the\n  current item will be treated again the next time through the loop.\n  This can lead to nasty bugs that can be avoided by making a\n  temporary copy using a slice of the whole sequence, e.g.,\n\n     for x in a[:]:\n         if x < 0: a.remove(x)\n\n\nThe "try" statement\n===================\n\nThe "try" statement specifies exception handlers and/or cleanup code\nfor a group of statements:\n\n   try_stmt  ::= try1_stmt | try2_stmt\n   try1_stmt ::= "try" ":" suite\n                 ("except" [expression ["as" identifier]] ":" suite)+\n                 ["else" ":" suite]\n                 ["finally" ":" suite]\n   try2_stmt ::= "try" ":" suite\n                 "finally" ":" suite\n\nThe "except" clause(s) specify one or more exception handlers. When no\nexception occurs in the "try" clause, no exception handler is\nexecuted. When an exception occurs in the "try" suite, a search for an\nexception handler is started.  This search inspects the except clauses\nin turn until one is found that matches the exception.  An expression-\nless except clause, if present, must be last; it matches any\nexception.  For an except clause with an expression, that expression\nis evaluated, and the clause matches the exception if the resulting\nobject is "compatible" with the exception.  An object is compatible\nwith an exception if it is the class or a base class of the exception\nobject or a tuple containing an item compatible with the exception.\n\nIf no except clause matches the exception, the search for an exception\nhandler continues in the surrounding code and on the invocation stack.\n[1]\n\nIf the evaluation of an expression in the header of an except clause\nraises an exception, the original search for a handler is canceled and\na search starts for the new exception in the surrounding code and on\nthe call stack (it is treated as if the entire "try" statement raised\nthe exception).\n\nWhen a matching except clause is found, the exception is assigned to\nthe target specified after the "as" keyword in that except clause, if\npresent, and the except clause\'s suite is executed.  All except\nclauses must have an executable block.  When the end of this block is\nreached, execution continues normally after the entire try statement.\n(This means that if two nested handlers exist for the same exception,\nand the exception occurs in the try clause of the inner handler, the\nouter handler will not handle the exception.)\n\nWhen an exception has been assigned using "as target", it is cleared\nat the end of the except clause.  This is as if\n\n   except E as N:\n       foo\n\nwas translated to\n\n   except E as N:\n       try:\n           foo\n       finally:\n           del N\n\nThis means the exception must be assigned to a different name to be\nable to refer to it after the except clause.  Exceptions are cleared\nbecause with the traceback attached to them, they form a reference\ncycle with the stack frame, keeping all locals in that frame alive\nuntil the next garbage collection occurs.\n\nBefore an except clause\'s suite is executed, details about the\nexception are stored in the "sys" module and can be accessed via\n"sys.exc_info()". "sys.exc_info()" returns a 3-tuple consisting of the\nexception class, the exception instance and a traceback object (see\nsection *The standard type hierarchy*) identifying the point in the\nprogram where the exception occurred.  "sys.exc_info()" values are\nrestored to their previous values (before the call) when returning\nfrom a function that handled an exception.\n\nThe optional "else" clause is executed if and when control flows off\nthe end of the "try" clause. [2] Exceptions in the "else" clause are\nnot handled by the preceding "except" clauses.\n\nIf "finally" is present, it specifies a \'cleanup\' handler.  The "try"\nclause is executed, including any "except" and "else" clauses.  If an\nexception occurs in any of the clauses and is not handled, the\nexception is temporarily saved. The "finally" clause is executed.  If\nthere is a saved exception it is re-raised at the end of the "finally"\nclause.  If the "finally" clause raises another exception, the saved\nexception is set as the context of the new exception. If the "finally"\nclause executes a "return" or "break" statement, the saved exception\nis discarded:\n\n   >>> def f():\n   ...     try:\n   ...         1/0\n   ...     finally:\n   ...         return 42\n   ...\n   >>> f()\n   42\n\nThe exception information is not available to the program during\nexecution of the "finally" clause.\n\nWhen a "return", "break" or "continue" statement is executed in the\n"try" suite of a "try"..."finally" statement, the "finally" clause is\nalso executed \'on the way out.\' A "continue" statement is illegal in\nthe "finally" clause. (The reason is a problem with the current\nimplementation --- this restriction may be lifted in the future).\n\nThe return value of a function is determined by the last "return"\nstatement executed.  Since the "finally" clause always executes, a\n"return" statement executed in the "finally" clause will always be the\nlast one executed:\n\n   >>> def foo():\n   ...     try:\n   ...         return \'try\'\n   ...     finally:\n   ...         return \'finally\'\n   ...\n   >>> foo()\n   \'finally\'\n\nAdditional information on exceptions can be found in section\n*Exceptions*, and information on using the "raise" statement to\ngenerate exceptions may be found in section *The raise statement*.\n\n\nThe "with" statement\n====================\n\nThe "with" statement is used to wrap the execution of a block with\nmethods defined by a context manager (see section *With Statement\nContext Managers*). This allows common "try"..."except"..."finally"\nusage patterns to be encapsulated for convenient reuse.\n\n   with_stmt ::= "with" with_item ("," with_item)* ":" suite\n   with_item ::= expression ["as" target]\n\nThe execution of the "with" statement with one "item" proceeds as\nfollows:\n\n1. The context expression (the expression given in the "with_item")\n   is evaluated to obtain a context manager.\n\n2. The context manager\'s "__exit__()" is loaded for later use.\n\n3. The context manager\'s "__enter__()" method is invoked.\n\n4. If a target was included in the "with" statement, the return\n   value from "__enter__()" is assigned to it.\n\n   Note: The "with" statement guarantees that if the "__enter__()"\n     method returns without an error, then "__exit__()" will always be\n     called. Thus, if an error occurs during the assignment to the\n     target list, it will be treated the same as an error occurring\n     within the suite would be. See step 6 below.\n\n5. The suite is executed.\n\n6. The context manager\'s "__exit__()" method is invoked.  If an\n   exception caused the suite to be exited, its type, value, and\n   traceback are passed as arguments to "__exit__()". Otherwise, three\n   "None" arguments are supplied.\n\n   If the suite was exited due to an exception, and the return value\n   from the "__exit__()" method was false, the exception is reraised.\n   If the return value was true, the exception is suppressed, and\n   execution continues with the statement following the "with"\n   statement.\n\n   If the suite was exited for any reason other than an exception, the\n   return value from "__exit__()" is ignored, and execution proceeds\n   at the normal location for the kind of exit that was taken.\n\nWith more than one item, the context managers are processed as if\nmultiple "with" statements were nested:\n\n   with A() as a, B() as b:\n       suite\n\nis equivalent to\n\n   with A() as a:\n       with B() as b:\n           suite\n\nChanged in version 3.1: Support for multiple context expressions.\n\nSee also: **PEP 0343** - The "with" statement\n\n     The specification, background, and examples for the Python "with"\n     statement.\n\n\nFunction definitions\n====================\n\nA function definition defines a user-defined function object (see\nsection *The standard type hierarchy*):\n\n   funcdef        ::= [decorators] "def" funcname "(" [parameter_list] ")" ["->" expression] ":" suite\n   decorators     ::= decorator+\n   decorator      ::= "@" dotted_name ["(" [parameter_list [","]] ")"] NEWLINE\n   dotted_name    ::= identifier ("." identifier)*\n   parameter_list ::= (defparameter ",")*\n                      | "*" [parameter] ("," defparameter)* ["," "**" parameter]\n                      | "**" parameter\n                      | defparameter [","] )\n   parameter      ::= identifier [":" expression]\n   defparameter   ::= parameter ["=" expression]\n   funcname       ::= identifier\n\nA function definition is an executable statement.  Its execution binds\nthe function name in the current local namespace to a function object\n(a wrapper around the executable code for the function).  This\nfunction object contains a reference to the current global namespace\nas the global namespace to be used when the function is called.\n\nThe function definition does not execute the function body; this gets\nexecuted only when the function is called. [3]\n\nA function definition may be wrapped by one or more *decorator*\nexpressions. Decorator expressions are evaluated when the function is\ndefined, in the scope that contains the function definition.  The\nresult must be a callable, which is invoked with the function object\nas the only argument. The returned value is bound to the function name\ninstead of the function object.  Multiple decorators are applied in\nnested fashion. For example, the following code\n\n   @f1(arg)\n   @f2\n   def func(): pass\n\nis equivalent to\n\n   def func(): pass\n   func = f1(arg)(f2(func))\n\nWhen one or more *parameters* have the form *parameter* "="\n*expression*, the function is said to have "default parameter values."\nFor a parameter with a default value, the corresponding *argument* may\nbe omitted from a call, in which case the parameter\'s default value is\nsubstituted.  If a parameter has a default value, all following\nparameters up until the ""*"" must also have a default value --- this\nis a syntactic restriction that is not expressed by the grammar.\n\n**Default parameter values are evaluated from left to right when the\nfunction definition is executed.** This means that the expression is\nevaluated once, when the function is defined, and that the same "pre-\ncomputed" value is used for each call.  This is especially important\nto understand when a default parameter is a mutable object, such as a\nlist or a dictionary: if the function modifies the object (e.g. by\nappending an item to a list), the default value is in effect modified.\nThis is generally not what was intended.  A way around this is to use\n"None" as the default, and explicitly test for it in the body of the\nfunction, e.g.:\n\n   def whats_on_the_telly(penguin=None):\n       if penguin is None:\n           penguin = []\n       penguin.append("property of the zoo")\n       return penguin\n\nFunction call semantics are described in more detail in section\n*Calls*. A function call always assigns values to all parameters\nmentioned in the parameter list, either from position arguments, from\nkeyword arguments, or from default values.  If the form\n""*identifier"" is present, it is initialized to a tuple receiving any\nexcess positional parameters, defaulting to the empty tuple.  If the\nform ""**identifier"" is present, it is initialized to a new\ndictionary receiving any excess keyword arguments, defaulting to a new\nempty dictionary. Parameters after ""*"" or ""*identifier"" are\nkeyword-only parameters and may only be passed used keyword arguments.\n\nParameters may have annotations of the form "": expression"" following\nthe parameter name.  Any parameter may have an annotation even those\nof the form "*identifier" or "**identifier".  Functions may have\n"return" annotation of the form ""-> expression"" after the parameter\nlist.  These annotations can be any valid Python expression and are\nevaluated when the function definition is executed.  Annotations may\nbe evaluated in a different order than they appear in the source code.\nThe presence of annotations does not change the semantics of a\nfunction.  The annotation values are available as values of a\ndictionary keyed by the parameters\' names in the "__annotations__"\nattribute of the function object.\n\nIt is also possible to create anonymous functions (functions not bound\nto a name), for immediate use in expressions.  This uses lambda\nexpressions, described in section *Lambdas*.  Note that the lambda\nexpression is merely a shorthand for a simplified function definition;\na function defined in a ""def"" statement can be passed around or\nassigned to another name just like a function defined by a lambda\nexpression.  The ""def"" form is actually more powerful since it\nallows the execution of multiple statements and annotations.\n\n**Programmer\'s note:** Functions are first-class objects.  A ""def""\nstatement executed inside a function definition defines a local\nfunction that can be returned or passed around.  Free variables used\nin the nested function can access the local variables of the function\ncontaining the def.  See section *Naming and binding* for details.\n\nSee also: **PEP 3107** - Function Annotations\n\n     The original specification for function annotations.\n\n\nClass definitions\n=================\n\nA class definition defines a class object (see section *The standard\ntype hierarchy*):\n\n   classdef    ::= [decorators] "class" classname [inheritance] ":" suite\n   inheritance ::= "(" [parameter_list] ")"\n   classname   ::= identifier\n\nA class definition is an executable statement.  The inheritance list\nusually gives a list of base classes (see *Customizing class creation*\nfor more advanced uses), so each item in the list should evaluate to a\nclass object which allows subclassing.  Classes without an inheritance\nlist inherit, by default, from the base class "object"; hence,\n\n   class Foo:\n       pass\n\nis equivalent to\n\n   class Foo(object):\n       pass\n\nThe class\'s suite is then executed in a new execution frame (see\n*Naming and binding*), using a newly created local namespace and the\noriginal global namespace. (Usually, the suite contains mostly\nfunction definitions.)  When the class\'s suite finishes execution, its\nexecution frame is discarded but its local namespace is saved. [4] A\nclass object is then created using the inheritance list for the base\nclasses and the saved local namespace for the attribute dictionary.\nThe class name is bound to this class object in the original local\nnamespace.\n\nClass creation can be customized heavily using *metaclasses*.\n\nClasses can also be decorated: just like when decorating functions,\n\n   @f1(arg)\n   @f2\n   class Foo: pass\n\nis equivalent to\n\n   class Foo: pass\n   Foo = f1(arg)(f2(Foo))\n\nThe evaluation rules for the decorator expressions are the same as for\nfunction decorators.  The result must be a class object, which is then\nbound to the class name.\n\n**Programmer\'s note:** Variables defined in the class definition are\nclass attributes; they are shared by instances.  Instance attributes\ncan be set in a method with "self.name = value".  Both class and\ninstance attributes are accessible through the notation ""self.name"",\nand an instance attribute hides a class attribute with the same name\nwhen accessed in this way.  Class attributes can be used as defaults\nfor instance attributes, but using mutable values there can lead to\nunexpected results.  *Descriptors* can be used to create instance\nvariables with different implementation details.\n\nSee also: **PEP 3115** - Metaclasses in Python 3 **PEP 3129** -\n  Class Decorators\n\n-[ Footnotes ]-\n\n[1] The exception is propagated to the invocation stack unless\n    there is a "finally" clause which happens to raise another\n    exception. That new exception causes the old one to be lost.\n\n[2] Currently, control "flows off the end" except in the case of\n    an exception or the execution of a "return", "continue", or\n    "break" statement.\n\n[3] A string literal appearing as the first statement in the\n    function body is transformed into the function\'s "__doc__"\n    attribute and therefore the function\'s *docstring*.\n\n[4] A string literal appearing as the first statement in the class\n    body is transformed into the namespace\'s "__doc__" item and\n    therefore the class\'s *docstring*.\n',
  'context-managers': u'\nWith Statement Context Managers\n*******************************\n\nA *context manager* is an object that defines the runtime context to\nbe established when executing a "with" statement. The context manager\nhandles the entry into, and the exit from, the desired runtime context\nfor the execution of the block of code.  Context managers are normally\ninvoked using the "with" statement (described in section *The with\nstatement*), but can also be used by directly invoking their methods.\n\nTypical uses of context managers include saving and restoring various\nkinds of global state, locking and unlocking resources, closing opened\nfiles, etc.\n\nFor more information on context managers, see *Context Manager Types*.\n\nobject.__enter__(self)\n\n   Enter the runtime context related to this object. The "with"\n   statement will bind this method\'s return value to the target(s)\n   specified in the "as" clause of the statement, if any.\n\nobject.__exit__(self, exc_type, exc_value, traceback)\n\n   Exit the runtime context related to this object. The parameters\n   describe the exception that caused the context to be exited. If the\n   context was exited without an exception, all three arguments will\n   be "None".\n\n   If an exception is supplied, and the method wishes to suppress the\n   exception (i.e., prevent it from being propagated), it should\n   return a true value. Otherwise, the exception will be processed\n   normally upon exit from this method.\n\n   Note that "__exit__()" methods should not reraise the passed-in\n   exception; this is the caller\'s responsibility.\n\nSee also: **PEP 0343** - The "with" statement\n\n     The specification, background, and examples for the Python "with"\n     statement.\n',
  'continue': u'\nThe "continue" statement\n************************\n\n   continue_stmt ::= "continue"\n\n"continue" may only occur syntactically nested in a "for" or "while"\nloop, but not nested in a function or class definition or "finally"\nclause within that loop.  It continues with the next cycle of the\nnearest enclosing loop.\n\nWhen "continue" passes control out of a "try" statement with a\n"finally" clause, that "finally" clause is executed before really\nstarting the next loop cycle.\n',
@@ -42,16 +42,16 @@ topics = {'assert': u'\nThe "assert" statement\n**********************\n\nAssert
  'if': u'\nThe "if" statement\n******************\n\nThe "if" statement is used for conditional execution:\n\n   if_stmt ::= "if" expression ":" suite\n               ( "elif" expression ":" suite )*\n               ["else" ":" suite]\n\nIt selects exactly one of the suites by evaluating the expressions one\nby one until one is found to be true (see section *Boolean operations*\nfor the definition of true and false); then that suite is executed\n(and no other part of the "if" statement is executed or evaluated).\nIf all expressions are false, the suite of the "else" clause, if\npresent, is executed.\n',
  'imaginary': u'\nImaginary literals\n******************\n\nImaginary literals are described by the following lexical definitions:\n\n   imagnumber ::= (floatnumber | intpart) ("j" | "J")\n\nAn imaginary literal yields a complex number with a real part of 0.0.\nComplex numbers are represented as a pair of floating point numbers\nand have the same restrictions on their range.  To create a complex\nnumber with a nonzero real part, add a floating point number to it,\ne.g., "(3+4j)".  Some examples of imaginary literals:\n\n   3.14j   10.j    10j     .001j   1e100j  3.14e-10j\n',
  'import': u'\nThe "import" statement\n**********************\n\n   import_stmt     ::= "import" module ["as" name] ( "," module ["as" name] )*\n                   | "from" relative_module "import" identifier ["as" name]\n                   ( "," identifier ["as" name] )*\n                   | "from" relative_module "import" "(" identifier ["as" name]\n                   ( "," identifier ["as" name] )* [","] ")"\n                   | "from" module "import" "*"\n   module          ::= (identifier ".")* identifier\n   relative_module ::= "."* module | "."+\n   name            ::= identifier\n\nThe basic import statement (no "from" clause) is executed in two\nsteps:\n\n1. find a module, loading and initializing it if necessary\n\n2. define a name or names in the local namespace for the scope\n   where the "import" statement occurs.\n\nWhen the statement contains multiple clauses (separated by commas) the\ntwo steps are carried out separately for each clause, just as though\nthe clauses had been separated out into individiual import statements.\n\nThe details of the first step, finding and loading modules are\ndescribed in greater detail in the section on the *import system*,\nwhich also describes the various types of packages and modules that\ncan be imported, as well as all the hooks that can be used to\ncustomize the import system. Note that failures in this step may\nindicate either that the module could not be located, *or* that an\nerror occurred while initializing the module, which includes execution\nof the module\'s code.\n\nIf the requested module is retrieved successfully, it will be made\navailable in the local namespace in one of three ways:\n\n* If the module name is followed by "as", then the name following\n  "as" is bound directly to the imported module.\n\n* If no other name is specified, and the module being imported is a\n  top level module, the module\'s name is bound in the local namespace\n  as a reference to the imported module\n\n* If the module being imported is *not* a top level module, then the\n  name of the top level package that contains the module is bound in\n  the local namespace as a reference to the top level package. The\n  imported module must be accessed using its full qualified name\n  rather than directly\n\nThe "from" form uses a slightly more complex process:\n\n1. find the module specified in the "from" clause, loading and\n   initializing it if necessary;\n\n2. for each of the identifiers specified in the "import" clauses:\n\n   1. check if the imported module has an attribute by that name\n\n   2. if not, attempt to import a submodule with that name and then\n      check the imported module again for that attribute\n\n   3. if the attribute is not found, "ImportError" is raised.\n\n   4. otherwise, a reference to that value is stored in the local\n      namespace, using the name in the "as" clause if it is present,\n      otherwise using the attribute name\n\nExamples:\n\n   import foo                 # foo imported and bound locally\n   import foo.bar.baz         # foo.bar.baz imported, foo bound locally\n   import foo.bar.baz as fbb  # foo.bar.baz imported and bound as fbb\n   from foo.bar import baz    # foo.bar.baz imported and bound as baz\n   from foo import attr       # foo imported and foo.attr bound as attr\n\nIf the list of identifiers is replaced by a star ("\'*\'"), all public\nnames defined in the module are bound in the local namespace for the\nscope where the "import" statement occurs.\n\nThe *public names* defined by a module are determined by checking the\nmodule\'s namespace for a variable named "__all__"; if defined, it must\nbe a sequence of strings which are names defined or imported by that\nmodule.  The names given in "__all__" are all considered public and\nare required to exist.  If "__all__" is not defined, the set of public\nnames includes all names found in the module\'s namespace which do not\nbegin with an underscore character ("\'_\'").  "__all__" should contain\nthe entire public API. It is intended to avoid accidentally exporting\nitems that are not part of the API (such as library modules which were\nimported and used within the module).\n\nThe wild card form of import --- "from module import *" --- is only\nallowed at the module level.  Attempting to use it in class or\nfunction definitions will raise a "SyntaxError".\n\nWhen specifying what module to import you do not have to specify the\nabsolute name of the module. When a module or package is contained\nwithin another package it is possible to make a relative import within\nthe same top package without having to mention the package name. By\nusing leading dots in the specified module or package after "from" you\ncan specify how high to traverse up the current package hierarchy\nwithout specifying exact names. One leading dot means the current\npackage where the module making the import exists. Two dots means up\none package level. Three dots is up two levels, etc. So if you execute\n"from . import mod" from a module in the "pkg" package then you will\nend up importing "pkg.mod". If you execute "from ..subpkg2 import mod"\nfrom within "pkg.subpkg1" you will import "pkg.subpkg2.mod". The\nspecification for relative imports is contained within **PEP 328**.\n\n"importlib.import_module()" is provided to support applications that\ndetermine dynamically the modules to be loaded.\n\n\nFuture statements\n=================\n\nA *future statement* is a directive to the compiler that a particular\nmodule should be compiled using syntax or semantics that will be\navailable in a specified future release of Python where the feature\nbecomes standard.\n\nThe future statement is intended to ease migration to future versions\nof Python that introduce incompatible changes to the language.  It\nallows use of the new features on a per-module basis before the\nrelease in which the feature becomes standard.\n\n   future_statement ::= "from" "__future__" "import" feature ["as" name]\n                        ("," feature ["as" name])*\n                        | "from" "__future__" "import" "(" feature ["as" name]\n                        ("," feature ["as" name])* [","] ")"\n   feature          ::= identifier\n   name             ::= identifier\n\nA future statement must appear near the top of the module.  The only\nlines that can appear before a future statement are:\n\n* the module docstring (if any),\n\n* comments,\n\n* blank lines, and\n\n* other future statements.\n\nThe features recognized by Python 3.0 are "absolute_import",\n"division", "generators", "unicode_literals", "print_function",\n"nested_scopes" and "with_statement".  They are all redundant because\nthey are always enabled, and only kept for backwards compatibility.\n\nA future statement is recognized and treated specially at compile\ntime: Changes to the semantics of core constructs are often\nimplemented by generating different code.  It may even be the case\nthat a new feature introduces new incompatible syntax (such as a new\nreserved word), in which case the compiler may need to parse the\nmodule differently.  Such decisions cannot be pushed off until\nruntime.\n\nFor any given release, the compiler knows which feature names have\nbeen defined, and raises a compile-time error if a future statement\ncontains a feature not known to it.\n\nThe direct runtime semantics are the same as for any import statement:\nthere is a standard module "__future__", described later, and it will\nbe imported in the usual way at the time the future statement is\nexecuted.\n\nThe interesting runtime semantics depend on the specific feature\nenabled by the future statement.\n\nNote that there is nothing special about the statement:\n\n   import __future__ [as name]\n\nThat is not a future statement; it\'s an ordinary import statement with\nno special semantics or syntax restrictions.\n\nCode compiled by calls to the built-in functions "exec()" and\n"compile()" that occur in a module "M" containing a future statement\nwill, by default, use the new syntax or semantics associated with the\nfuture statement.  This can be controlled by optional arguments to\n"compile()" --- see the documentation of that function for details.\n\nA future statement typed at an interactive interpreter prompt will\ntake effect for the rest of the interpreter session.  If an\ninterpreter is started with the *-i* option, is passed a script name\nto execute, and the script includes a future statement, it will be in\neffect in the interactive session started after the script is\nexecuted.\n\nSee also: **PEP 236** - Back to the __future__\n\n     The original proposal for the __future__ mechanism.\n',
- 'in': u'\nComparisons\n***********\n\nUnlike C, all comparison operations in Python have the same priority,\nwhich is lower than that of any arithmetic, shifting or bitwise\noperation.  Also unlike C, expressions like "a < b < c" have the\ninterpretation that is conventional in mathematics:\n\n   comparison    ::= or_expr ( comp_operator or_expr )*\n   comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "!="\n                     | "is" ["not"] | ["not"] "in"\n\nComparisons yield boolean values: "True" or "False".\n\nComparisons can be chained arbitrarily, e.g., "x < y <= z" is\nequivalent to "x < y and y <= z", except that "y" is evaluated only\nonce (but in both cases "z" is not evaluated at all when "x < y" is\nfound to be false).\n\nFormally, if *a*, *b*, *c*, ..., *y*, *z* are expressions and *op1*,\n*op2*, ..., *opN* are comparison operators, then "a op1 b op2 c ... y\nopN z" is equivalent to "a op1 b and b op2 c and ... y opN z", except\nthat each expression is evaluated at most once.\n\nNote that "a op1 b op2 c" doesn\'t imply any kind of comparison between\n*a* and *c*, so that, e.g., "x < y > z" is perfectly legal (though\nperhaps not pretty).\n\nThe operators "<", ">", "==", ">=", "<=", and "!=" compare the values\nof two objects.  The objects need not have the same type. If both are\nnumbers, they are converted to a common type.  Otherwise, the "==" and\n"!=" operators *always* consider objects of different types to be\nunequal, while the "<", ">", ">=" and "<=" operators raise a\n"TypeError" when comparing objects of different types that do not\nimplement these operators for the given pair of types.  You can\ncontrol comparison behavior of objects of non-built-in types by\ndefining rich comparison methods like "__gt__()", described in section\n*Basic customization*.\n\nComparison of objects of the same type depends on the type:\n\n* Numbers are compared arithmetically.\n\n* The values "float(\'NaN\')" and "Decimal(\'NaN\')" are special. The\n  are identical to themselves, "x is x" but are not equal to\n  themselves, "x != x".  Additionally, comparing any value to a\n  not-a-number value will return "False".  For example, both "3 <\n  float(\'NaN\')" and "float(\'NaN\') < 3" will return "False".\n\n* Bytes objects are compared lexicographically using the numeric\n  values of their elements.\n\n* Strings are compared lexicographically using the numeric\n  equivalents (the result of the built-in function "ord()") of their\n  characters. [3] String and bytes object can\'t be compared!\n\n* Tuples and lists are compared lexicographically using comparison\n  of corresponding elements.  This means that to compare equal, each\n  element must compare equal and the two sequences must be of the same\n  type and have the same length.\n\n  If not equal, the sequences are ordered the same as their first\n  differing elements.  For example, "[1,2,x] <= [1,2,y]" has the same\n  value as "x <= y".  If the corresponding element does not exist, the\n  shorter sequence is ordered first (for example, "[1,2] < [1,2,3]").\n\n* Mappings (dictionaries) compare equal if and only if they have the\n  same "(key, value)" pairs. Order comparisons "(\'<\', \'<=\', \'>=\',\n  \'>\')" raise "TypeError".\n\n* Sets and frozensets define comparison operators to mean subset and\n  superset tests.  Those relations do not define total orderings (the\n  two sets "{1,2}" and {2,3} are not equal, nor subsets of one\n  another, nor supersets of one another).  Accordingly, sets are not\n  appropriate arguments for functions which depend on total ordering.\n  For example, "min()", "max()", and "sorted()" produce undefined\n  results given a list of sets as inputs.\n\n* Most other objects of built-in types compare unequal unless they\n  are the same object; the choice whether one object is considered\n  smaller or larger than another one is made arbitrarily but\n  consistently within one execution of a program.\n\nComparison of objects of differing types depends on whether either of\nthe types provide explicit support for the comparison.  Most numeric\ntypes can be compared with one another.  When cross-type comparison is\nnot supported, the comparison method returns "NotImplemented".\n\nThe operators "in" and "not in" test for membership.  "x in s"\nevaluates to true if *x* is a member of *s*, and false otherwise.  "x\nnot in s" returns the negation of "x in s".  All built-in sequences\nand set types support this as well as dictionary, for which "in" tests\nwhether the dictionary has a given key. For container types such as\nlist, tuple, set, frozenset, dict, or collections.deque, the\nexpression "x in y" is equivalent to "any(x is e or x == e for e in\ny)".\n\nFor the string and bytes types, "x in y" is true if and only if *x* is\na substring of *y*.  An equivalent test is "y.find(x) != -1".  Empty\nstrings are always considered to be a substring of any other string,\nso """ in "abc"" will return "True".\n\nFor user-defined classes which define the "__contains__()" method, "x\nin y" is true if and only if "y.__contains__(x)" is true.\n\nFor user-defined classes which do not define "__contains__()" but do\ndefine "__iter__()", "x in y" is true if some value "z" with "x == z"\nis produced while iterating over "y".  If an exception is raised\nduring the iteration, it is as if "in" raised that exception.\n\nLastly, the old-style iteration protocol is tried: if a class defines\n"__getitem__()", "x in y" is true if and only if there is a non-\nnegative integer index *i* such that "x == y[i]", and all lower\ninteger indices do not raise "IndexError" exception.  (If any other\nexception is raised, it is as if "in" raised that exception).\n\nThe operator "not in" is defined to have the inverse true value of\n"in".\n\nThe operators "is" and "is not" test for object identity: "x is y" is\ntrue if and only if *x* and *y* are the same object.  "x is not y"\nyields the inverse truth value. [4]\n',
+ 'in': u'\nComparisons\n***********\n\nUnlike C, all comparison operations in Python have the same priority,\nwhich is lower than that of any arithmetic, shifting or bitwise\noperation.  Also unlike C, expressions like "a < b < c" have the\ninterpretation that is conventional in mathematics:\n\n   comparison    ::= or_expr ( comp_operator or_expr )*\n   comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "!="\n                     | "is" ["not"] | ["not"] "in"\n\nComparisons yield boolean values: "True" or "False".\n\nComparisons can be chained arbitrarily, e.g., "x < y <= z" is\nequivalent to "x < y and y <= z", except that "y" is evaluated only\nonce (but in both cases "z" is not evaluated at all when "x < y" is\nfound to be false).\n\nFormally, if *a*, *b*, *c*, ..., *y*, *z* are expressions and *op1*,\n*op2*, ..., *opN* are comparison operators, then "a op1 b op2 c ... y\nopN z" is equivalent to "a op1 b and b op2 c and ... y opN z", except\nthat each expression is evaluated at most once.\n\nNote that "a op1 b op2 c" doesn\'t imply any kind of comparison between\n*a* and *c*, so that, e.g., "x < y > z" is perfectly legal (though\nperhaps not pretty).\n\nThe operators "<", ">", "==", ">=", "<=", and "!=" compare the values\nof two objects.  The objects need not have the same type. If both are\nnumbers, they are converted to a common type.  Otherwise, the "==" and\n"!=" operators *always* consider objects of different types to be\nunequal, while the "<", ">", ">=" and "<=" operators raise a\n"TypeError" when comparing objects of different types that do not\nimplement these operators for the given pair of types.  You can\ncontrol comparison behavior of objects of non-built-in types by\ndefining rich comparison methods like "__gt__()", described in section\n*Basic customization*.\n\nComparison of objects of the same type depends on the type:\n\n* Numbers are compared arithmetically.\n\n* The values "float(\'NaN\')" and "Decimal(\'NaN\')" are special. They\n  are identical to themselves, "x is x" but are not equal to\n  themselves, "x != x".  Additionally, comparing any value to a\n  not-a-number value will return "False".  For example, both "3 <\n  float(\'NaN\')" and "float(\'NaN\') < 3" will return "False".\n\n* Bytes objects are compared lexicographically using the numeric\n  values of their elements.\n\n* Strings are compared lexicographically using the numeric\n  equivalents (the result of the built-in function "ord()") of their\n  characters. [3] String and bytes object can\'t be compared!\n\n* Tuples and lists are compared lexicographically using comparison\n  of corresponding elements.  This means that to compare equal, each\n  element must compare equal and the two sequences must be of the same\n  type and have the same length.\n\n  If not equal, the sequences are ordered the same as their first\n  differing elements.  For example, "[1,2,x] <= [1,2,y]" has the same\n  value as "x <= y".  If the corresponding element does not exist, the\n  shorter sequence is ordered first (for example, "[1,2] < [1,2,3]").\n\n* Mappings (dictionaries) compare equal if and only if they have the\n  same "(key, value)" pairs. Order comparisons "(\'<\', \'<=\', \'>=\',\n  \'>\')" raise "TypeError".\n\n* Sets and frozensets define comparison operators to mean subset and\n  superset tests.  Those relations do not define total orderings (the\n  two sets "{1,2}" and {2,3} are not equal, nor subsets of one\n  another, nor supersets of one another).  Accordingly, sets are not\n  appropriate arguments for functions which depend on total ordering.\n  For example, "min()", "max()", and "sorted()" produce undefined\n  results given a list of sets as inputs.\n\n* Most other objects of built-in types compare unequal unless they\n  are the same object; the choice whether one object is considered\n  smaller or larger than another one is made arbitrarily but\n  consistently within one execution of a program.\n\nComparison of objects of differing types depends on whether either of\nthe types provide explicit support for the comparison.  Most numeric\ntypes can be compared with one another.  When cross-type comparison is\nnot supported, the comparison method returns "NotImplemented".\n\nThe operators "in" and "not in" test for membership.  "x in s"\nevaluates to true if *x* is a member of *s*, and false otherwise.  "x\nnot in s" returns the negation of "x in s".  All built-in sequences\nand set types support this as well as dictionary, for which "in" tests\nwhether the dictionary has a given key. For container types such as\nlist, tuple, set, frozenset, dict, or collections.deque, the\nexpression "x in y" is equivalent to "any(x is e or x == e for e in\ny)".\n\nFor the string and bytes types, "x in y" is true if and only if *x* is\na substring of *y*.  An equivalent test is "y.find(x) != -1".  Empty\nstrings are always considered to be a substring of any other string,\nso """ in "abc"" will return "True".\n\nFor user-defined classes which define the "__contains__()" method, "x\nin y" is true if and only if "y.__contains__(x)" is true.\n\nFor user-defined classes which do not define "__contains__()" but do\ndefine "__iter__()", "x in y" is true if some value "z" with "x == z"\nis produced while iterating over "y".  If an exception is raised\nduring the iteration, it is as if "in" raised that exception.\n\nLastly, the old-style iteration protocol is tried: if a class defines\n"__getitem__()", "x in y" is true if and only if there is a non-\nnegative integer index *i* such that "x == y[i]", and all lower\ninteger indices do not raise "IndexError" exception.  (If any other\nexception is raised, it is as if "in" raised that exception).\n\nThe operator "not in" is defined to have the inverse true value of\n"in".\n\nThe operators "is" and "is not" test for object identity: "x is y" is\ntrue if and only if *x* and *y* are the same object.  "x is not y"\nyields the inverse truth value. [4]\n',
  'integers': u'\nInteger literals\n****************\n\nInteger literals are described by the following lexical definitions:\n\n   integer        ::= decimalinteger | octinteger | hexinteger | bininteger\n   decimalinteger ::= nonzerodigit digit* | "0"+\n   nonzerodigit   ::= "1"..."9"\n   digit          ::= "0"..."9"\n   octinteger     ::= "0" ("o" | "O") octdigit+\n   hexinteger     ::= "0" ("x" | "X") hexdigit+\n   bininteger     ::= "0" ("b" | "B") bindigit+\n   octdigit       ::= "0"..."7"\n   hexdigit       ::= digit | "a"..."f" | "A"..."F"\n   bindigit       ::= "0" | "1"\n\nThere is no limit for the length of integer literals apart from what\ncan be stored in available memory.\n\nNote that leading zeros in a non-zero decimal number are not allowed.\nThis is for disambiguation with C-style octal literals, which Python\nused before version 3.0.\n\nSome examples of integer literals:\n\n   7     2147483647                        0o177    0b100110111\n   3     79228162514264337593543950336     0o377    0x100000000\n         79228162514264337593543950336              0xdeadbeef\n',
  'lambda': u'\nLambdas\n*******\n\n   lambda_expr        ::= "lambda" [parameter_list]: expression\n   lambda_expr_nocond ::= "lambda" [parameter_list]: expression_nocond\n\nLambda expressions (sometimes called lambda forms) are used to create\nanonymous functions. The expression "lambda arguments: expression"\nyields a function object.  The unnamed object behaves like a function\nobject defined with\n\n   def <lambda>(arguments):\n       return expression\n\nSee section *Function definitions* for the syntax of parameter lists.\nNote that functions created with lambda expressions cannot contain\nstatements or annotations.\n',
  'lists': u'\nList displays\n*************\n\nA list display is a possibly empty series of expressions enclosed in\nsquare brackets:\n\n   list_display ::= "[" [expression_list | comprehension] "]"\n\nA list display yields a new list object, the contents being specified\nby either a list of expressions or a comprehension.  When a comma-\nseparated list of expressions is supplied, its elements are evaluated\nfrom left to right and placed into the list object in that order.\nWhen a comprehension is supplied, the list is constructed from the\nelements resulting from the comprehension.\n',
  'naming': u'\nNaming and binding\n******************\n\n*Names* refer to objects.  Names are introduced by name binding\noperations. Each occurrence of a name in the program text refers to\nthe *binding* of that name established in the innermost function block\ncontaining the use.\n\nA *block* is a piece of Python program text that is executed as a\nunit. The following are blocks: a module, a function body, and a class\ndefinition. Each command typed interactively is a block.  A script\nfile (a file given as standard input to the interpreter or specified\nas a command line argument to the interpreter) is a code block.  A\nscript command (a command specified on the interpreter command line\nwith the \'**-c**\' option) is a code block.  The string argument passed\nto the built-in functions "eval()" and "exec()" is a code block.\n\nA code block is executed in an *execution frame*.  A frame contains\nsome administrative information (used for debugging) and determines\nwhere and how execution continues after the code block\'s execution has\ncompleted.\n\nA *scope* defines the visibility of a name within a block.  If a local\nvariable is defined in a block, its scope includes that block.  If the\ndefinition occurs in a function block, the scope extends to any blocks\ncontained within the defining one, unless a contained block introduces\na different binding for the name.  The scope of names defined in a\nclass block is limited to the class block; it does not extend to the\ncode blocks of methods -- this includes comprehensions and generator\nexpressions since they are implemented using a function scope.  This\nmeans that the following will fail:\n\n   class A:\n       a = 42\n       b = list(a + i for i in range(10))\n\nWhen a name is used in a code block, it is resolved using the nearest\nenclosing scope.  The set of all such scopes visible to a code block\nis called the block\'s *environment*.\n\nIf a name is bound in a block, it is a local variable of that block,\nunless declared as "nonlocal".  If a name is bound at the module\nlevel, it is a global variable.  (The variables of the module code\nblock are local and global.)  If a variable is used in a code block\nbut not defined there, it is a *free variable*.\n\nWhen a name is not found at all, a "NameError" exception is raised.\nIf the name refers to a local variable that has not been bound, an\n"UnboundLocalError" exception is raised.  "UnboundLocalError" is a\nsubclass of "NameError".\n\nThe following constructs bind names: formal parameters to functions,\n"import" statements, class and function definitions (these bind the\nclass or function name in the defining block), and targets that are\nidentifiers if occurring in an assignment, "for" loop header, or after\n"as" in a "with" statement or "except" clause. The "import" statement\nof the form "from ... import *" binds all names defined in the\nimported module, except those beginning with an underscore.  This form\nmay only be used at the module level.\n\nA target occurring in a "del" statement is also considered bound for\nthis purpose (though the actual semantics are to unbind the name).\n\nEach assignment or import statement occurs within a block defined by a\nclass or function definition or at the module level (the top-level\ncode block).\n\nIf a name binding operation occurs anywhere within a code block, all\nuses of the name within the block are treated as references to the\ncurrent block.  This can lead to errors when a name is used within a\nblock before it is bound.  This rule is subtle.  Python lacks\ndeclarations and allows name binding operations to occur anywhere\nwithin a code block.  The local variables of a code block can be\ndetermined by scanning the entire text of the block for name binding\noperations.\n\nIf the "global" statement occurs within a block, all uses of the name\nspecified in the statement refer to the binding of that name in the\ntop-level namespace.  Names are resolved in the top-level namespace by\nsearching the global namespace, i.e. the namespace of the module\ncontaining the code block, and the builtins namespace, the namespace\nof the module "builtins".  The global namespace is searched first.  If\nthe name is not found there, the builtins namespace is searched.  The\n"global" statement must precede all uses of the name.\n\nThe builtins namespace associated with the execution of a code block\nis actually found by looking up the name "__builtins__" in its global\nnamespace; this should be a dictionary or a module (in the latter case\nthe module\'s dictionary is used).  By default, when in the "__main__"\nmodule, "__builtins__" is the built-in module "builtins"; when in any\nother module, "__builtins__" is an alias for the dictionary of the\n"builtins" module itself.  "__builtins__" can be set to a user-created\ndictionary to create a weak form of restricted execution.\n\n**CPython implementation detail:** Users should not touch\n"__builtins__"; it is strictly an implementation detail.  Users\nwanting to override values in the builtins namespace should "import"\nthe "builtins" module and modify its attributes appropriately.\n\nThe namespace for a module is automatically created the first time a\nmodule is imported.  The main module for a script is always called\n"__main__".\n\nThe "global" statement has the same scope as a name binding operation\nin the same block.  If the nearest enclosing scope for a free variable\ncontains a global statement, the free variable is treated as a global.\n\nA class definition is an executable statement that may use and define\nnames. These references follow the normal rules for name resolution.\nThe namespace of the class definition becomes the attribute dictionary\nof the class.  Names defined at the class scope are not visible in\nmethods.\n\n\nInteraction with dynamic features\n=================================\n\nThere are several cases where Python statements are illegal when used\nin conjunction with nested scopes that contain free variables.\n\nIf a variable is referenced in an enclosing scope, it is illegal to\ndelete the name.  An error will be reported at compile time.\n\nIf the wild card form of import --- "import *" --- is used in a\nfunction and the function contains or is a nested block with free\nvariables, the compiler will raise a "SyntaxError".\n\nThe "eval()" and "exec()" functions do not have access to the full\nenvironment for resolving names.  Names may be resolved in the local\nand global namespaces of the caller.  Free variables are not resolved\nin the nearest enclosing namespace, but in the global namespace.  [1]\nThe "exec()" and "eval()" functions have optional arguments to\noverride the global and local namespace.  If only one namespace is\nspecified, it is used for both.\n',
  'nonlocal': u'\nThe "nonlocal" statement\n************************\n\n   nonlocal_stmt ::= "nonlocal" identifier ("," identifier)*\n\nThe "nonlocal" statement causes the listed identifiers to refer to\npreviously bound variables in the nearest enclosing scope excluding\nglobals. This is important because the default behavior for binding is\nto search the local namespace first.  The statement allows\nencapsulated code to rebind variables outside of the local scope\nbesides the global (module) scope.\n\nNames listed in a "nonlocal" statement, unlike those listed in a\n"global" statement, must refer to pre-existing bindings in an\nenclosing scope (the scope in which a new binding should be created\ncannot be determined unambiguously).\n\nNames listed in a "nonlocal" statement must not collide with pre-\nexisting bindings in the local scope.\n\nSee also: **PEP 3104** - Access to Names in Outer Scopes\n\n     The specification for the "nonlocal" statement.\n',
  'numbers': u'\nNumeric literals\n****************\n\nThere are three types of numeric literals: integers, floating point\nnumbers, and imaginary numbers.  There are no complex literals\n(complex numbers can be formed by adding a real number and an\nimaginary number).\n\nNote that numeric literals do not include a sign; a phrase like "-1"\nis actually an expression composed of the unary operator \'"-"\' and the\nliteral "1".\n',
- 'numeric-types': u'\nEmulating numeric types\n***********************\n\nThe following methods can be defined to emulate numeric objects.\nMethods corresponding to operations that are not supported by the\nparticular kind of number implemented (e.g., bitwise operations for\nnon-integral numbers) should be left undefined.\n\nobject.__add__(self, other)\nobject.__sub__(self, other)\nobject.__mul__(self, other)\nobject.__truediv__(self, other)\nobject.__floordiv__(self, other)\nobject.__mod__(self, other)\nobject.__divmod__(self, other)\nobject.__pow__(self, other[, modulo])\nobject.__lshift__(self, other)\nobject.__rshift__(self, other)\nobject.__and__(self, other)\nobject.__xor__(self, other)\nobject.__or__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "/", "//", "%", "divmod()", "pow()",\n   "**", "<<", ">>", "&", "^", "|").  For instance, to evaluate the\n   expression "x + y", where *x* is an instance of a class that has an\n   "__add__()" method, "x.__add__(y)" is called.  The "__divmod__()"\n   method should be the equivalent to using "__floordiv__()" and\n   "__mod__()"; it should not be related to "__truediv__()".  Note\n   that "__pow__()" should be defined to accept an optional third\n   argument if the ternary version of the built-in "pow()" function is\n   to be supported.\n\n   If one of those methods does not support the operation with the\n   supplied arguments, it should return "NotImplemented".\n\nobject.__radd__(self, other)\nobject.__rsub__(self, other)\nobject.__rmul__(self, other)\nobject.__rtruediv__(self, other)\nobject.__rfloordiv__(self, other)\nobject.__rmod__(self, other)\nobject.__rdivmod__(self, other)\nobject.__rpow__(self, other)\nobject.__rlshift__(self, other)\nobject.__rrshift__(self, other)\nobject.__rand__(self, other)\nobject.__rxor__(self, other)\nobject.__ror__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "/", "//", "%", "divmod()", "pow()",\n   "**", "<<", ">>", "&", "^", "|") with reflected (swapped) operands.\n   These functions are only called if the left operand does not\n   support the corresponding operation and the operands are of\n   different types. [2]  For instance, to evaluate the expression "x -\n   y", where *y* is an instance of a class that has an "__rsub__()"\n   method, "y.__rsub__(x)" is called if "x.__sub__(y)" returns\n   *NotImplemented*.\n\n   Note that ternary "pow()" will not try calling "__rpow__()" (the\n   coercion rules would become too complicated).\n\n   Note: If the right operand\'s type is a subclass of the left\n     operand\'s type and that subclass provides the reflected method\n     for the operation, this method will be called before the left\n     operand\'s non-reflected method.  This behavior allows subclasses\n     to override their ancestors\' operations.\n\nobject.__iadd__(self, other)\nobject.__isub__(self, other)\nobject.__imul__(self, other)\nobject.__itruediv__(self, other)\nobject.__ifloordiv__(self, other)\nobject.__imod__(self, other)\nobject.__ipow__(self, other[, modulo])\nobject.__ilshift__(self, other)\nobject.__irshift__(self, other)\nobject.__iand__(self, other)\nobject.__ixor__(self, other)\nobject.__ior__(self, other)\n\n   These methods are called to implement the augmented arithmetic\n   assignments ("+=", "-=", "*=", "/=", "//=", "%=", "**=", "<<=",\n   ">>=", "&=", "^=", "|=").  These methods should attempt to do the\n   operation in-place (modifying *self*) and return the result (which\n   could be, but does not have to be, *self*).  If a specific method\n   is not defined, the augmented assignment falls back to the normal\n   methods.  For instance, if *x* is an instance of a class with an\n   "__iadd__()" method, "x += y" is equivalent to "x = x.__iadd__(y)"\n   . Otherwise, "x.__add__(y)" and "y.__radd__(x)" are considered, as\n   with the evaluation of "x + y". In certain situations, augmented\n   assignment can result in unexpected errors (see *Why does\n   a_tuple[i] += [\'item\'] raise an exception when the addition\n   works?*), but this behavior is in fact part of the data model.\n\nobject.__neg__(self)\nobject.__pos__(self)\nobject.__abs__(self)\nobject.__invert__(self)\n\n   Called to implement the unary arithmetic operations ("-", "+",\n   "abs()" and "~").\n\nobject.__complex__(self)\nobject.__int__(self)\nobject.__float__(self)\nobject.__round__(self[, n])\n\n   Called to implement the built-in functions "complex()", "int()",\n   "float()" and "round()".  Should return a value of the appropriate\n   type.\n\nobject.__index__(self)\n\n   Called to implement "operator.index()", and whenever Python needs\n   to losslessly convert the numeric object to an integer object (such\n   as in slicing, or in the built-in "bin()", "hex()" and "oct()"\n   functions). Presence of this method indicates that the numeric\n   object is an integer type.  Must return an integer.\n\n   Note: In order to have a coherent integer type class, when\n     "__index__()" is defined "__int__()" should also be defined, and\n     both should return the same value.\n',
+ 'numeric-types': u'\nEmulating numeric types\n***********************\n\nThe following methods can be defined to emulate numeric objects.\nMethods corresponding to operations that are not supported by the\nparticular kind of number implemented (e.g., bitwise operations for\nnon-integral numbers) should be left undefined.\n\nobject.__add__(self, other)\nobject.__sub__(self, other)\nobject.__mul__(self, other)\nobject.__matmul__(self, other)\nobject.__truediv__(self, other)\nobject.__floordiv__(self, other)\nobject.__mod__(self, other)\nobject.__divmod__(self, other)\nobject.__pow__(self, other[, modulo])\nobject.__lshift__(self, other)\nobject.__rshift__(self, other)\nobject.__and__(self, other)\nobject.__xor__(self, other)\nobject.__or__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "@", "/", "//", "%", "divmod()",\n   "pow()", "**", "<<", ">>", "&", "^", "|").  For instance, to\n   evaluate the expression "x + y", where *x* is an instance of a\n   class that has an "__add__()" method, "x.__add__(y)" is called.\n   The "__divmod__()" method should be the equivalent to using\n   "__floordiv__()" and "__mod__()"; it should not be related to\n   "__truediv__()".  Note that "__pow__()" should be defined to accept\n   an optional third argument if the ternary version of the built-in\n   "pow()" function is to be supported.\n\n   If one of those methods does not support the operation with the\n   supplied arguments, it should return "NotImplemented".\n\nobject.__radd__(self, other)\nobject.__rsub__(self, other)\nobject.__rmul__(self, other)\nobject.__rmatmul__(self, other)\nobject.__rtruediv__(self, other)\nobject.__rfloordiv__(self, other)\nobject.__rmod__(self, other)\nobject.__rdivmod__(self, other)\nobject.__rpow__(self, other)\nobject.__rlshift__(self, other)\nobject.__rrshift__(self, other)\nobject.__rand__(self, other)\nobject.__rxor__(self, other)\nobject.__ror__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "@", "/", "//", "%", "divmod()",\n   "pow()", "**", "<<", ">>", "&", "^", "|") with reflected (swapped)\n   operands.  These functions are only called if the left operand does\n   not support the corresponding operation and the operands are of\n   different types. [2] For instance, to evaluate the expression "x -\n   y", where *y* is an instance of a class that has an "__rsub__()"\n   method, "y.__rsub__(x)" is called if "x.__sub__(y)" returns\n   *NotImplemented*.\n\n   Note that ternary "pow()" will not try calling "__rpow__()" (the\n   coercion rules would become too complicated).\n\n   Note: If the right operand\'s type is a subclass of the left\n     operand\'s type and that subclass provides the reflected method\n     for the operation, this method will be called before the left\n     operand\'s non-reflected method.  This behavior allows subclasses\n     to override their ancestors\' operations.\n\nobject.__iadd__(self, other)\nobject.__isub__(self, other)\nobject.__imul__(self, other)\nobject.__imatmul__(self, other)\nobject.__itruediv__(self, other)\nobject.__ifloordiv__(self, other)\nobject.__imod__(self, other)\nobject.__ipow__(self, other[, modulo])\nobject.__ilshift__(self, other)\nobject.__irshift__(self, other)\nobject.__iand__(self, other)\nobject.__ixor__(self, other)\nobject.__ior__(self, other)\n\n   These methods are called to implement the augmented arithmetic\n   assignments ("+=", "-=", "*=", "@=", "/=", "//=", "%=", "**=",\n   "<<=", ">>=", "&=", "^=", "|=").  These methods should attempt to\n   do the operation in-place (modifying *self*) and return the result\n   (which could be, but does not have to be, *self*).  If a specific\n   method is not defined, the augmented assignment falls back to the\n   normal methods.  For instance, if *x* is an instance of a class\n   with an "__iadd__()" method, "x += y" is equivalent to "x =\n   x.__iadd__(y)" . Otherwise, "x.__add__(y)" and "y.__radd__(x)" are\n   considered, as with the evaluation of "x + y". In certain\n   situations, augmented assignment can result in unexpected errors\n   (see *Why does a_tuple[i] += [\'item\'] raise an exception when the\n   addition works?*), but this behavior is in fact part of the data\n   model.\n\nobject.__neg__(self)\nobject.__pos__(self)\nobject.__abs__(self)\nobject.__invert__(self)\n\n   Called to implement the unary arithmetic operations ("-", "+",\n   "abs()" and "~").\n\nobject.__complex__(self)\nobject.__int__(self)\nobject.__float__(self)\nobject.__round__(self[, n])\n\n   Called to implement the built-in functions "complex()", "int()",\n   "float()" and "round()".  Should return a value of the appropriate\n   type.\n\nobject.__index__(self)\n\n   Called to implement "operator.index()", and whenever Python needs\n   to losslessly convert the numeric object to an integer object (such\n   as in slicing, or in the built-in "bin()", "hex()" and "oct()"\n   functions). Presence of this method indicates that the numeric\n   object is an integer type.  Must return an integer.\n\n   Note: In order to have a coherent integer type class, when\n     "__index__()" is defined "__int__()" should also be defined, and\n     both should return the same value.\n',
  'objects': u'\nObjects, values and types\n*************************\n\n*Objects* are Python\'s abstraction for data.  All data in a Python\nprogram is represented by objects or by relations between objects. (In\na sense, and in conformance to Von Neumann\'s model of a "stored\nprogram computer," code is also represented by objects.)\n\nEvery object has an identity, a type and a value.  An object\'s\n*identity* never changes once it has been created; you may think of it\nas the object\'s address in memory.  The \'"is"\' operator compares the\nidentity of two objects; the "id()" function returns an integer\nrepresenting its identity.\n\n**CPython implementation detail:** For CPython, "id(x)" is the memory\naddress where "x" is stored.\n\nAn object\'s type determines the operations that the object supports\n(e.g., "does it have a length?") and also defines the possible values\nfor objects of that type.  The "type()" function returns an object\'s\ntype (which is an object itself).  Like its identity, an object\'s\n*type* is also unchangeable. [1]\n\nThe *value* of some objects can change.  Objects whose value can\nchange are said to be *mutable*; objects whose value is unchangeable\nonce they are created are called *immutable*. (The value of an\nimmutable container object that contains a reference to a mutable\nobject can change when the latter\'s value is changed; however the\ncontainer is still considered immutable, because the collection of\nobjects it contains cannot be changed.  So, immutability is not\nstrictly the same as having an unchangeable value, it is more subtle.)\nAn object\'s mutability is determined by its type; for instance,\nnumbers, strings and tuples are immutable, while dictionaries and\nlists are mutable.\n\nObjects are never explicitly destroyed; however, when they become\nunreachable they may be garbage-collected.  An implementation is\nallowed to postpone garbage collection or omit it altogether --- it is\na matter of implementation quality how garbage collection is\nimplemented, as long as no objects are collected that are still\nreachable.\n\n**CPython implementation detail:** CPython currently uses a reference-\ncounting scheme with (optional) delayed detection of cyclically linked\ngarbage, which collects most objects as soon as they become\nunreachable, but is not guaranteed to collect garbage containing\ncircular references.  See the documentation of the "gc" module for\ninformation on controlling the collection of cyclic garbage. Other\nimplementations act differently and CPython may change. Do not depend\non immediate finalization of objects when they become unreachable (so\nyou should always close files explicitly).\n\nNote that the use of the implementation\'s tracing or debugging\nfacilities may keep objects alive that would normally be collectable.\nAlso note that catching an exception with a \'"try"..."except"\'\nstatement may keep objects alive.\n\nSome objects contain references to "external" resources such as open\nfiles or windows.  It is understood that these resources are freed\nwhen the object is garbage-collected, but since garbage collection is\nnot guaranteed to happen, such objects also provide an explicit way to\nrelease the external resource, usually a "close()" method. Programs\nare strongly recommended to explicitly close such objects.  The\n\'"try"..."finally"\' statement and the \'"with"\' statement provide\nconvenient ways to do this.\n\nSome objects contain references to other objects; these are called\n*containers*. Examples of containers are tuples, lists and\ndictionaries.  The references are part of a container\'s value.  In\nmost cases, when we talk about the value of a container, we imply the\nvalues, not the identities of the contained objects; however, when we\ntalk about the mutability of a container, only the identities of the\nimmediately contained objects are implied.  So, if an immutable\ncontainer (like a tuple) contains a reference to a mutable object, its\nvalue changes if that mutable object is changed.\n\nTypes affect almost all aspects of object behavior.  Even the\nimportance of object identity is affected in some sense: for immutable\ntypes, operations that compute new values may actually return a\nreference to any existing object with the same type and value, while\nfor mutable objects this is not allowed.  E.g., after "a = 1; b = 1",\n"a" and "b" may or may not refer to the same object with the value\none, depending on the implementation, but after "c = []; d = []", "c"\nand "d" are guaranteed to refer to two different, unique, newly\ncreated empty lists. (Note that "c = d = []" assigns the same object\nto both "c" and "d".)\n',
- 'operator-summary': u'\nOperator precedence\n*******************\n\nThe following table summarizes the operator precedence in Python, from\nlowest precedence (least binding) to highest precedence (most\nbinding).  Operators in the same box have the same precedence.  Unless\nthe syntax is explicitly given, operators are binary.  Operators in\nthe same box group left to right (except for exponentiation, which\ngroups from right to left).\n\nNote that comparisons, membership tests, and identity tests, all have\nthe same precedence and have a left-to-right chaining feature as\ndescribed in the *Comparisons* section.\n\n+-------------------------------------------------+---------------------------------------+\n| Operator                                        | Description                           |\n+=================================================+=======================================+\n| "lambda"                                        | Lambda expression                     |\n+-------------------------------------------------+---------------------------------------+\n| "if" -- "else"                                  | Conditional expression                |\n+-------------------------------------------------+---------------------------------------+\n| "or"                                            | Boolean OR                            |\n+-------------------------------------------------+---------------------------------------+\n| "and"                                           | Boolean AND                           |\n+-------------------------------------------------+---------------------------------------+\n| "not" "x"                                       | Boolean NOT                           |\n+-------------------------------------------------+---------------------------------------+\n| "in", "not in", "is", "is not", "<", "<=", ">", | Comparisons, including membership     |\n| ">=", "!=", "=="                                | tests and identity tests              |\n+-------------------------------------------------+---------------------------------------+\n| "|"                                             | Bitwise OR                            |\n+-------------------------------------------------+---------------------------------------+\n| "^"                                             | Bitwise XOR                           |\n+-------------------------------------------------+---------------------------------------+\n| "&"                                             | Bitwise AND                           |\n+-------------------------------------------------+---------------------------------------+\n| "<<", ">>"                                      | Shifts                                |\n+-------------------------------------------------+---------------------------------------+\n| "+", "-"                                        | Addition and subtraction              |\n+-------------------------------------------------+---------------------------------------+\n| "*", "/", "//", "%"                             | Multiplication, division, remainder   |\n|                                                 | [5]                                   |\n+-------------------------------------------------+---------------------------------------+\n| "+x", "-x", "~x"                                | Positive, negative, bitwise NOT       |\n+-------------------------------------------------+---------------------------------------+\n| "**"                                            | Exponentiation [6]                    |\n+-------------------------------------------------+---------------------------------------+\n| "x[index]", "x[index:index]",                   | Subscription, slicing, call,          |\n| "x(arguments...)", "x.attribute"                | attribute reference                   |\n+-------------------------------------------------+---------------------------------------+\n| "(expressions...)", "[expressions...]", "{key:  | Binding or tuple display, list        |\n| value...}", "{expressions...}"                  | display, dictionary display, set      |\n|                                                 | display                               |\n+-------------------------------------------------+---------------------------------------+\n\n-[ Footnotes ]-\n\n[1] While "abs(x%y) < abs(y)" is true mathematically, for floats\n    it may not be true numerically due to roundoff.  For example, and\n    assuming a platform on which a Python float is an IEEE 754 double-\n    precision number, in order that "-1e-100 % 1e100" have the same\n    sign as "1e100", the computed result is "-1e-100 + 1e100", which\n    is numerically exactly equal to "1e100".  The function\n    "math.fmod()" returns a result whose sign matches the sign of the\n    first argument instead, and so returns "-1e-100" in this case.\n    Which approach is more appropriate depends on the application.\n\n[2] If x is very close to an exact integer multiple of y, it\'s\n    possible for "x//y" to be one larger than "(x-x%y)//y" due to\n    rounding.  In such cases, Python returns the latter result, in\n    order to preserve that "divmod(x,y)[0] * y + x % y" be very close\n    to "x".\n\n[3] While comparisons between strings make sense at the byte\n    level, they may be counter-intuitive to users.  For example, the\n    strings ""\\u00C7"" and ""\\u0327\\u0043"" compare differently, even\n    though they both represent the same unicode character (LATIN\n    CAPITAL LETTER C WITH CEDILLA).  To compare strings in a human\n    recognizable way, compare using "unicodedata.normalize()".\n\n[4] Due to automatic garbage-collection, free lists, and the\n    dynamic nature of descriptors, you may notice seemingly unusual\n    behaviour in certain uses of the "is" operator, like those\n    involving comparisons between instance methods, or constants.\n    Check their documentation for more info.\n\n[5] The "%" operator is also used for string formatting; the same\n    precedence applies.\n\n[6] The power operator "**" binds less tightly than an arithmetic\n    or bitwise unary operator on its right, that is, "2**-1" is "0.5".\n',
+ 'operator-summary': u'\nOperator precedence\n*******************\n\nThe following table summarizes the operator precedence in Python, from\nlowest precedence (least binding) to highest precedence (most\nbinding).  Operators in the same box have the same precedence.  Unless\nthe syntax is explicitly given, operators are binary.  Operators in\nthe same box group left to right (except for exponentiation, which\ngroups from right to left).\n\nNote that comparisons, membership tests, and identity tests, all have\nthe same precedence and have a left-to-right chaining feature as\ndescribed in the *Comparisons* section.\n\n+-------------------------------------------------+---------------------------------------+\n| Operator                                        | Description                           |\n+=================================================+=======================================+\n| "lambda"                                        | Lambda expression                     |\n+-------------------------------------------------+---------------------------------------+\n| "if" -- "else"                                  | Conditional expression                |\n+-------------------------------------------------+---------------------------------------+\n| "or"                                            | Boolean OR                            |\n+-------------------------------------------------+---------------------------------------+\n| "and"                                           | Boolean AND                           |\n+-------------------------------------------------+---------------------------------------+\n| "not" "x"                                       | Boolean NOT                           |\n+-------------------------------------------------+---------------------------------------+\n| "in", "not in", "is", "is not", "<", "<=", ">", | Comparisons, including membership     |\n| ">=", "!=", "=="                                | tests and identity tests              |\n+-------------------------------------------------+---------------------------------------+\n| "|"                                             | Bitwise OR                            |\n+-------------------------------------------------+---------------------------------------+\n| "^"                                             | Bitwise XOR                           |\n+-------------------------------------------------+---------------------------------------+\n| "&"                                             | Bitwise AND                           |\n+-------------------------------------------------+---------------------------------------+\n| "<<", ">>"                                      | Shifts                                |\n+-------------------------------------------------+---------------------------------------+\n| "+", "-"                                        | Addition and subtraction              |\n+-------------------------------------------------+---------------------------------------+\n| "*", "@", "/", "//", "%"                        | Multiplication, matrix multiplication |\n|                                                 | division, remainder [5]               |\n+-------------------------------------------------+---------------------------------------+\n| "+x", "-x", "~x"                                | Positive, negative, bitwise NOT       |\n+-------------------------------------------------+---------------------------------------+\n| "**"                                            | Exponentiation [6]                    |\n+-------------------------------------------------+---------------------------------------+\n| "x[index]", "x[index:index]",                   | Subscription, slicing, call,          |\n| "x(arguments...)", "x.attribute"                | attribute reference                   |\n+-------------------------------------------------+---------------------------------------+\n| "(expressions...)", "[expressions...]", "{key:  | Binding or tuple display, list        |\n| value...}", "{expressions...}"                  | display, dictionary display, set      |\n|                                                 | display                               |\n+-------------------------------------------------+---------------------------------------+\n\n-[ Footnotes ]-\n\n[1] While "abs(x%y) < abs(y)" is true mathematically, for floats\n    it may not be true numerically due to roundoff.  For example, and\n    assuming a platform on which a Python float is an IEEE 754 double-\n    precision number, in order that "-1e-100 % 1e100" have the same\n    sign as "1e100", the computed result is "-1e-100 + 1e100", which\n    is numerically exactly equal to "1e100".  The function\n    "math.fmod()" returns a result whose sign matches the sign of the\n    first argument instead, and so returns "-1e-100" in this case.\n    Which approach is more appropriate depends on the application.\n\n[2] If x is very close to an exact integer multiple of y, it\'s\n    possible for "x//y" to be one larger than "(x-x%y)//y" due to\n    rounding.  In such cases, Python returns the latter result, in\n    order to preserve that "divmod(x,y)[0] * y + x % y" be very close\n    to "x".\n\n[3] While comparisons between strings make sense at the byte\n    level, they may be counter-intuitive to users.  For example, the\n    strings ""\\u00C7"" and ""\\u0327\\u0043"" compare differently, even\n    though they both represent the same unicode character (LATIN\n    CAPITAL LETTER C WITH CEDILLA).  To compare strings in a human\n    recognizable way, compare using "unicodedata.normalize()".\n\n[4] Due to automatic garbage-collection, free lists, and the\n    dynamic nature of descriptors, you may notice seemingly unusual\n    behaviour in certain uses of the "is" operator, like those\n    involving comparisons between instance methods, or constants.\n    Check their documentation for more info.\n\n[5] The "%" operator is also used for string formatting; the same\n    precedence applies.\n\n[6] The power operator "**" binds less tightly than an arithmetic\n    or bitwise unary operator on its right, that is, "2**-1" is "0.5".\n',
  'pass': u'\nThe "pass" statement\n********************\n\n   pass_stmt ::= "pass"\n\n"pass" is a null operation --- when it is executed, nothing happens.\nIt is useful as a placeholder when a statement is required\nsyntactically, but no code needs to be executed, for example:\n\n   def f(arg): pass    # a function that does nothing (yet)\n\n   class C: pass       # a class with no methods (yet)\n',
  'power': u'\nThe power operator\n******************\n\nThe power operator binds more tightly than unary operators on its\nleft; it binds less tightly than unary operators on its right.  The\nsyntax is:\n\n   power ::= primary ["**" u_expr]\n\nThus, in an unparenthesized sequence of power and unary operators, the\noperators are evaluated from right to left (this does not constrain\nthe evaluation order for the operands): "-1**2" results in "-1".\n\nThe power operator has the same semantics as the built-in "pow()"\nfunction, when called with two arguments: it yields its left argument\nraised to the power of its right argument.  The numeric arguments are\nfirst converted to a common type, and the result is of that type.\n\nFor int operands, the result has the same type as the operands unless\nthe second argument is negative; in that case, all arguments are\nconverted to float and a float result is delivered. For example,\n"10**2" returns "100", but "10**-2" returns "0.01".\n\nRaising "0.0" to a negative power results in a "ZeroDivisionError".\nRaising a negative number to a fractional power results in a "complex"\nnumber. (In earlier versions it raised a "ValueError".)\n',
  'raise': u'\nThe "raise" statement\n*********************\n\n   raise_stmt ::= "raise" [expression ["from" expression]]\n\nIf no expressions are present, "raise" re-raises the last exception\nthat was active in the current scope.  If no exception is active in\nthe current scope, a "RuntimeError" exception is raised indicating\nthat this is an error.\n\nOtherwise, "raise" evaluates the first expression as the exception\nobject.  It must be either a subclass or an instance of\n"BaseException". If it is a class, the exception instance will be\nobtained when needed by instantiating the class with no arguments.\n\nThe *type* of the exception is the exception instance\'s class, the\n*value* is the instance itself.\n\nA traceback object is normally created automatically when an exception\nis raised and attached to it as the "__traceback__" attribute, which\nis writable. You can create an exception and set your own traceback in\none step using the "with_traceback()" exception method (which returns\nthe same exception instance, with its traceback set to its argument),\nlike so:\n\n   raise Exception("foo occurred").with_traceback(tracebackobj)\n\nThe "from" clause is used for exception chaining: if given, the second\n*expression* must be another exception class or instance, which will\nthen be attached to the raised exception as the "__cause__" attribute\n(which is writable).  If the raised exception is not handled, both\nexceptions will be printed:\n\n   >>> try:\n   ...     print(1 / 0)\n   ... except Exception as exc:\n   ...     raise RuntimeError("Something bad happened") from exc\n   ...\n   Traceback (most recent call last):\n     File "<stdin>", line 2, in <module>\n   ZeroDivisionError: int division or modulo by zero\n\n   The above exception was the direct cause of the following exception:\n\n   Traceback (most recent call last):\n     File "<stdin>", line 4, in <module>\n   RuntimeError: Something bad happened\n\nA similar mechanism works implicitly if an exception is raised inside\nan exception handler or a "finally" clause: the previous exception is\nthen attached as the new exception\'s "__context__" attribute:\n\n   >>> try:\n   ...     print(1 / 0)\n   ... except:\n   ...     raise RuntimeError("Something bad happened")\n   ...\n   Traceback (most recent call last):\n     File "<stdin>", line 2, in <module>\n   ZeroDivisionError: int division or modulo by zero\n\n   During handling of the above exception, another exception occurred:\n\n   Traceback (most recent call last):\n     File "<stdin>", line 4, in <module>\n   RuntimeError: Something bad happened\n\nAdditional information on exceptions can be found in section\n*Exceptions*, and information about handling exceptions is in section\n*The try statement*.\n',
@@ -60,8 +60,8 @@ topics = {'assert': u'\nThe "assert" statement\n**********************\n\nAssert
  'shifting': u'\nShifting operations\n*******************\n\nThe shifting operations have lower priority than the arithmetic\noperations:\n\n   shift_expr ::= a_expr | shift_expr ( "<<" | ">>" ) a_expr\n\nThese operators accept integers as arguments.  They shift the first\nargument to the left or right by the number of bits given by the\nsecond argument.\n\nA right shift by *n* bits is defined as floor division by "pow(2,n)".\nA left shift by *n* bits is defined as multiplication with "pow(2,n)".\n\nNote: In the current implementation, the right-hand operand is\n  required to be at most "sys.maxsize".  If the right-hand operand is\n  larger than "sys.maxsize" an "OverflowError" exception is raised.\n',
  'slicings': u'\nSlicings\n********\n\nA slicing selects a range of items in a sequence object (e.g., a\nstring, tuple or list).  Slicings may be used as expressions or as\ntargets in assignment or "del" statements.  The syntax for a slicing:\n\n   slicing      ::= primary "[" slice_list "]"\n   slice_list   ::= slice_item ("," slice_item)* [","]\n   slice_item   ::= expression | proper_slice\n   proper_slice ::= [lower_bound] ":" [upper_bound] [ ":" [stride] ]\n   lower_bound  ::= expression\n   upper_bound  ::= expression\n   stride       ::= expression\n\nThere is ambiguity in the formal syntax here: anything that looks like\nan expression list also looks like a slice list, so any subscription\ncan be interpreted as a slicing.  Rather than further complicating the\nsyntax, this is disambiguated by defining that in this case the\ninterpretation as a subscription takes priority over the\ninterpretation as a slicing (this is the case if the slice list\ncontains no proper slice).\n\nThe semantics for a slicing are as follows.  The primary is indexed\n(using the same "__getitem__()" method as normal subscription) with a\nkey that is constructed from the slice list, as follows.  If the slice\nlist contains at least one comma, the key is a tuple containing the\nconversion of the slice items; otherwise, the conversion of the lone\nslice item is the key.  The conversion of a slice item that is an\nexpression is that expression.  The conversion of a proper slice is a\nslice object (see section *The standard type hierarchy*) whose\n"start", "stop" and "step" attributes are the values of the\nexpressions given as lower bound, upper bound and stride,\nrespectively, substituting "None" for missing expressions.\n',
  'specialattrs': u'\nSpecial Attributes\n******************\n\nThe implementation adds a few special read-only attributes to several\nobject types, where they are relevant.  Some of these are not reported\nby the "dir()" built-in function.\n\nobject.__dict__\n\n   A dictionary or other mapping object used to store an object\'s\n   (writable) attributes.\n\ninstance.__class__\n\n   The class to which a class instance belongs.\n\nclass.__bases__\n\n   The tuple of base classes of a class object.\n\nclass.__name__\n\n   The name of the class or type.\n\nclass.__qualname__\n\n   The *qualified name* of the class or type.\n\n   New in version 3.3.\n\nclass.__mro__\n\n   This attribute is a tuple of classes that are considered when\n   looking for base classes during method resolution.\n\nclass.mro()\n\n   This method can be overridden by a metaclass to customize the\n   method resolution order for its instances.  It is called at class\n   instantiation, and its result is stored in "__mro__".\n\nclass.__subclasses__()\n\n   Each class keeps a list of weak references to its immediate\n   subclasses.  This method returns a list of all those references\n   still alive. Example:\n\n      >>> int.__subclasses__()\n      [<class \'bool\'>]\n\n-[ Footnotes ]-\n\n[1] Additional information on these special methods may be found\n    in the Python Reference Manual (*Basic customization*).\n\n[2] As a consequence, the list "[1, 2]" is considered equal to\n    "[1.0, 2.0]", and similarly for tuples.\n\n[3] They must have since the parser can\'t tell the type of the\n    operands.\n\n[4] Cased characters are those with general category property\n    being one of "Lu" (Letter, uppercase), "Ll" (Letter, lowercase),\n    or "Lt" (Letter, titlecase).\n\n[5] To format only a tuple you should therefore provide a\n    singleton tuple whose only element is the tuple to be formatted.\n',
- 'specialnames': u'\nSpecial method names\n********************\n\nA class can implement certain operations that are invoked by special\nsyntax (such as arithmetic operations or subscripting and slicing) by\ndefining methods with special names. This is Python\'s approach to\n*operator overloading*, allowing classes to define their own behavior\nwith respect to language operators.  For instance, if a class defines\na method named "__getitem__()", and "x" is an instance of this class,\nthen "x[i]" is roughly equivalent to "type(x).__getitem__(x, i)".\nExcept where mentioned, attempts to execute an operation raise an\nexception when no appropriate method is defined (typically\n"AttributeError" or "TypeError").\n\nWhen implementing a class that emulates any built-in type, it is\nimportant that the emulation only be implemented to the degree that it\nmakes sense for the object being modelled.  For example, some\nsequences may work well with retrieval of individual elements, but\nextracting a slice may not make sense.  (One example of this is the\n"NodeList" interface in the W3C\'s Document Object Model.)\n\n\nBasic customization\n===================\n\nobject.__new__(cls[, ...])\n\n   Called to create a new instance of class *cls*.  "__new__()" is a\n   static method (special-cased so you need not declare it as such)\n   that takes the class of which an instance was requested as its\n   first argument.  The remaining arguments are those passed to the\n   object constructor expression (the call to the class).  The return\n   value of "__new__()" should be the new object instance (usually an\n   instance of *cls*).\n\n   Typical implementations create a new instance of the class by\n   invoking the superclass\'s "__new__()" method using\n   "super(currentclass, cls).__new__(cls[, ...])" with appropriate\n   arguments and then modifying the newly-created instance as\n   necessary before returning it.\n\n   If "__new__()" returns an instance of *cls*, then the new\n   instance\'s "__init__()" method will be invoked like\n   "__init__(self[, ...])", where *self* is the new instance and the\n   remaining arguments are the same as were passed to "__new__()".\n\n   If "__new__()" does not return an instance of *cls*, then the new\n   instance\'s "__init__()" method will not be invoked.\n\n   "__new__()" is intended mainly to allow subclasses of immutable\n   types (like int, str, or tuple) to customize instance creation.  It\n   is also commonly overridden in custom metaclasses in order to\n   customize class creation.\n\nobject.__init__(self[, ...])\n\n   Called after the instance has been created (by "__new__()"), but\n   before it is returned to the caller.  The arguments are those\n   passed to the class constructor expression.  If a base class has an\n   "__init__()" method, the derived class\'s "__init__()" method, if\n   any, must explicitly call it to ensure proper initialization of the\n   base class part of the instance; for example:\n   "BaseClass.__init__(self, [args...])".\n\n   Because "__new__()" and "__init__()" work together in constructing\n   objects ("__new__()" to create it, and "__init__()" to customise\n   it), no non-"None" value may be returned by "__init__()"; doing so\n   will cause a "TypeError" to be raised at runtime.\n\nobject.__del__(self)\n\n   Called when the instance is about to be destroyed.  This is also\n   called a destructor.  If a base class has a "__del__()" method, the\n   derived class\'s "__del__()" method, if any, must explicitly call it\n   to ensure proper deletion of the base class part of the instance.\n   Note that it is possible (though not recommended!) for the\n   "__del__()" method to postpone destruction of the instance by\n   creating a new reference to it.  It may then be called at a later\n   time when this new reference is deleted.  It is not guaranteed that\n   "__del__()" methods are called for objects that still exist when\n   the interpreter exits.\n\n   Note: "del x" doesn\'t directly call "x.__del__()" --- the former\n     decrements the reference count for "x" by one, and the latter is\n     only called when "x"\'s reference count reaches zero.  Some common\n     situations that may prevent the reference count of an object from\n     going to zero include: circular references between objects (e.g.,\n     a doubly-linked list or a tree data structure with parent and\n     child pointers); a reference to the object on the stack frame of\n     a function that caught an exception (the traceback stored in\n     "sys.exc_info()[2]" keeps the stack frame alive); or a reference\n     to the object on the stack frame that raised an unhandled\n     exception in interactive mode (the traceback stored in\n     "sys.last_traceback" keeps the stack frame alive).  The first\n     situation can only be remedied by explicitly breaking the cycles;\n     the second can be resolved by freeing the reference to the\n     traceback object when it is no longer useful, and the third can\n     be resolved by storing "None" in "sys.last_traceback". Circular\n     references which are garbage are detected and cleaned up when the\n     cyclic garbage collector is enabled (it\'s on by default). Refer\n     to the documentation for the "gc" module for more information\n     about this topic.\n\n   Warning: Due to the precarious circumstances under which\n     "__del__()" methods are invoked, exceptions that occur during\n     their execution are ignored, and a warning is printed to\n     "sys.stderr" instead. Also, when "__del__()" is invoked in\n     response to a module being deleted (e.g., when execution of the\n     program is done), other globals referenced by the "__del__()"\n     method may already have been deleted or in the process of being\n     torn down (e.g. the import machinery shutting down).  For this\n     reason, "__del__()" methods should do the absolute minimum needed\n     to maintain external invariants.  Starting with version 1.5,\n     Python guarantees that globals whose name begins with a single\n     underscore are deleted from their module before other globals are\n     deleted; if no other references to such globals exist, this may\n     help in assuring that imported modules are still available at the\n     time when the "__del__()" method is called.\n\nobject.__repr__(self)\n\n   Called by the "repr()" built-in function to compute the "official"\n   string representation of an object.  If at all possible, this\n   should look like a valid Python expression that could be used to\n   recreate an object with the same value (given an appropriate\n   environment).  If this is not possible, a string of the form\n   "<...some useful description...>" should be returned. The return\n   value must be a string object. If a class defines "__repr__()" but\n   not "__str__()", then "__repr__()" is also used when an "informal"\n   string representation of instances of that class is required.\n\n   This is typically used for debugging, so it is important that the\n   representation is information-rich and unambiguous.\n\nobject.__str__(self)\n\n   Called by "str(object)" and the built-in functions "format()" and\n   "print()" to compute the "informal" or nicely printable string\n   representation of an object.  The return value must be a *string*\n   object.\n\n   This method differs from "object.__repr__()" in that there is no\n   expectation that "__str__()" return a valid Python expression: a\n   more convenient or concise representation can be used.\n\n   The default implementation defined by the built-in type "object"\n   calls "object.__repr__()".\n\nobject.__bytes__(self)\n\n   Called by "bytes()" to compute a byte-string representation of an\n   object. This should return a "bytes" object.\n\nobject.__format__(self, format_spec)\n\n   Called by the "format()" built-in function (and by extension, the\n   "str.format()" method of class "str") to produce a "formatted"\n   string representation of an object. The "format_spec" argument is a\n   string that contains a description of the formatting options\n   desired. The interpretation of the "format_spec" argument is up to\n   the type implementing "__format__()", however most classes will\n   either delegate formatting to one of the built-in types, or use a\n   similar formatting option syntax.\n\n   See *Format Specification Mini-Language* for a description of the\n   standard formatting syntax.\n\n   The return value must be a string object.\n\n   Changed in version 3.4: The __format__ method of "object" itself\n   raises a "TypeError" if passed any non-empty string.\n\nobject.__lt__(self, other)\nobject.__le__(self, other)\nobject.__eq__(self, other)\nobject.__ne__(self, other)\nobject.__gt__(self, other)\nobject.__ge__(self, other)\n\n   These are the so-called "rich comparison" methods. The\n   correspondence between operator symbols and method names is as\n   follows: "x<y" calls "x.__lt__(y)", "x<=y" calls "x.__le__(y)",\n   "x==y" calls "x.__eq__(y)", "x!=y" calls "x.__ne__(y)", "x>y" calls\n   "x.__gt__(y)", and "x>=y" calls "x.__ge__(y)".\n\n   A rich comparison method may return the singleton "NotImplemented"\n   if it does not implement the operation for a given pair of\n   arguments. By convention, "False" and "True" are returned for a\n   successful comparison. However, these methods can return any value,\n   so if the comparison operator is used in a Boolean context (e.g.,\n   in the condition of an "if" statement), Python will call "bool()"\n   on the value to determine if the result is true or false.\n\n   There are no implied relationships among the comparison operators.\n   The truth of "x==y" does not imply that "x!=y" is false.\n   Accordingly, when defining "__eq__()", one should also define\n   "__ne__()" so that the operators will behave as expected.  See the\n   paragraph on "__hash__()" for some important notes on creating\n   *hashable* objects which support custom comparison operations and\n   are usable as dictionary keys.\n\n   There are no swapped-argument versions of these methods (to be used\n   when the left argument does not support the operation but the right\n   argument does); rather, "__lt__()" and "__gt__()" are each other\'s\n   reflection, "__le__()" and "__ge__()" are each other\'s reflection,\n   and "__eq__()" and "__ne__()" are their own reflection.\n\n   Arguments to rich comparison methods are never coerced.\n\n   To automatically generate ordering operations from a single root\n   operation, see "functools.total_ordering()".\n\nobject.__hash__(self)\n\n   Called by built-in function "hash()" and for operations on members\n   of hashed collections including "set", "frozenset", and "dict".\n   "__hash__()" should return an integer.  The only required property\n   is that objects which compare equal have the same hash value; it is\n   advised to somehow mix together (e.g. using exclusive or) the hash\n   values for the components of the object that also play a part in\n   comparison of objects.\n\n   Note: "hash()" truncates the value returned from an object\'s\n     custom "__hash__()" method to the size of a "Py_ssize_t".  This\n     is typically 8 bytes on 64-bit builds and 4 bytes on 32-bit\n     builds. If an object\'s   "__hash__()" must interoperate on builds\n     of different bit sizes, be sure to check the width on all\n     supported builds.  An easy way to do this is with "python -c\n     "import sys; print(sys.hash_info.width)""\n\n   If a class does not define an "__eq__()" method it should not\n   define a "__hash__()" operation either; if it defines "__eq__()"\n   but not "__hash__()", its instances will not be usable as items in\n   hashable collections.  If a class defines mutable objects and\n   implements an "__eq__()" method, it should not implement\n   "__hash__()", since the implementation of hashable collections\n   requires that a key\'s hash value is immutable (if the object\'s hash\n   value changes, it will be in the wrong hash bucket).\n\n   User-defined classes have "__eq__()" and "__hash__()" methods by\n   default; with them, all objects compare unequal (except with\n   themselves) and "x.__hash__()" returns an appropriate value such\n   that "x == y" implies both that "x is y" and "hash(x) == hash(y)".\n\n   A class that overrides "__eq__()" and does not define "__hash__()"\n   will have its "__hash__()" implicitly set to "None".  When the\n   "__hash__()" method of a class is "None", instances of the class\n   will raise an appropriate "TypeError" when a program attempts to\n   retrieve their hash value, and will also be correctly identified as\n   unhashable when checking "isinstance(obj, collections.Hashable").\n\n   If a class that overrides "__eq__()" needs to retain the\n   implementation of "__hash__()" from a parent class, the interpreter\n   must be told this explicitly by setting "__hash__ =\n   <ParentClass>.__hash__".\n\n   If a class that does not override "__eq__()" wishes to suppress\n   hash support, it should include "__hash__ = None" in the class\n   definition. A class which defines its own "__hash__()" that\n   explicitly raises a "TypeError" would be incorrectly identified as\n   hashable by an "isinstance(obj, collections.Hashable)" call.\n\n   Note: By default, the "__hash__()" values of str, bytes and\n     datetime objects are "salted" with an unpredictable random value.\n     Although they remain constant within an individual Python\n     process, they are not predictable between repeated invocations of\n     Python.This is intended to provide protection against a denial-\n     of-service caused by carefully-chosen inputs that exploit the\n     worst case performance of a dict insertion, O(n^2) complexity.\n     See http://www.ocert.org/advisories/ocert-2011-003.html for\n     details.Changing hash values affects the iteration order of\n     dicts, sets and other mappings.  Python has never made guarantees\n     about this ordering (and it typically varies between 32-bit and\n     64-bit builds).See also "PYTHONHASHSEED".\n\n   Changed in version 3.3: Hash randomization is enabled by default.\n\nobject.__bool__(self)\n\n   Called to implement truth value testing and the built-in operation\n   "bool()"; should return "False" or "True".  When this method is not\n   defined, "__len__()" is called, if it is defined, and the object is\n   considered true if its result is nonzero.  If a class defines\n   neither "__len__()" nor "__bool__()", all its instances are\n   considered true.\n\n\nCustomizing attribute access\n============================\n\nThe following methods can be defined to customize the meaning of\nattribute access (use of, assignment to, or deletion of "x.name") for\nclass instances.\n\nobject.__getattr__(self, name)\n\n   Called when an attribute lookup has not found the attribute in the\n   usual places (i.e. it is not an instance attribute nor is it found\n   in the class tree for "self").  "name" is the attribute name. This\n   method should return the (computed) attribute value or raise an\n   "AttributeError" exception.\n\n   Note that if the attribute is found through the normal mechanism,\n   "__getattr__()" is not called.  (This is an intentional asymmetry\n   between "__getattr__()" and "__setattr__()".) This is done both for\n   efficiency reasons and because otherwise "__getattr__()" would have\n   no way to access other attributes of the instance.  Note that at\n   least for instance variables, you can fake total control by not\n   inserting any values in the instance attribute dictionary (but\n   instead inserting them in another object).  See the\n   "__getattribute__()" method below for a way to actually get total\n   control over attribute access.\n\nobject.__getattribute__(self, name)\n\n   Called unconditionally to implement attribute accesses for\n   instances of the class. If the class also defines "__getattr__()",\n   the latter will not be called unless "__getattribute__()" either\n   calls it explicitly or raises an "AttributeError". This method\n   should return the (computed) attribute value or raise an\n   "AttributeError" exception. In order to avoid infinite recursion in\n   this method, its implementation should always call the base class\n   method with the same name to access any attributes it needs, for\n   example, "object.__getattribute__(self, name)".\n\n   Note: This method may still be bypassed when looking up special\n     methods as the result of implicit invocation via language syntax\n     or built-in functions. See *Special method lookup*.\n\nobject.__setattr__(self, name, value)\n\n   Called when an attribute assignment is attempted.  This is called\n   instead of the normal mechanism (i.e. store the value in the\n   instance dictionary). *name* is the attribute name, *value* is the\n   value to be assigned to it.\n\n   If "__setattr__()" wants to assign to an instance attribute, it\n   should call the base class method with the same name, for example,\n   "object.__setattr__(self, name, value)".\n\nobject.__delattr__(self, name)\n\n   Like "__setattr__()" but for attribute deletion instead of\n   assignment.  This should only be implemented if "del obj.name" is\n   meaningful for the object.\n\nobject.__dir__(self)\n\n   Called when "dir()" is called on the object. A sequence must be\n   returned. "dir()" converts the returned sequence to a list and\n   sorts it.\n\n\nImplementing Descriptors\n------------------------\n\nThe following methods only apply when an instance of the class\ncontaining the method (a so-called *descriptor* class) appears in an\n*owner* class (the descriptor must be in either the owner\'s class\ndictionary or in the class dictionary for one of its parents).  In the\nexamples below, "the attribute" refers to the attribute whose name is\nthe key of the property in the owner class\' "__dict__".\n\nobject.__get__(self, instance, owner)\n\n   Called to get the attribute of the owner class (class attribute\n   access) or of an instance of that class (instance attribute\n   access). *owner* is always the owner class, while *instance* is the\n   instance that the attribute was accessed through, or "None" when\n   the attribute is accessed through the *owner*.  This method should\n   return the (computed) attribute value or raise an "AttributeError"\n   exception.\n\nobject.__set__(self, instance, value)\n\n   Called to set the attribute on an instance *instance* of the owner\n   class to a new value, *value*.\n\nobject.__delete__(self, instance)\n\n   Called to delete the attribute on an instance *instance* of the\n   owner class.\n\nThe attribute "__objclass__" is interpreted by the "inspect" module as\nspecifying the class where this object was defined (setting this\nappropriately can assist in runtime introspection of dynamic class\nattributes). For callables, it may indicate that an instance of the\ngiven type (or a subclass) is expected or required as the first\npositional argument (for example, CPython sets this attribute for\nunbound methods that are implemented in C).\n\n\nInvoking Descriptors\n--------------------\n\nIn general, a descriptor is an object attribute with "binding\nbehavior", one whose attribute access has been overridden by methods\nin the descriptor protocol:  "__get__()", "__set__()", and\n"__delete__()". If any of those methods are defined for an object, it\nis said to be a descriptor.\n\nThe default behavior for attribute access is to get, set, or delete\nthe attribute from an object\'s dictionary. For instance, "a.x" has a\nlookup chain starting with "a.__dict__[\'x\']", then\n"type(a).__dict__[\'x\']", and continuing through the base classes of\n"type(a)" excluding metaclasses.\n\nHowever, if the looked-up value is an object defining one of the\ndescriptor methods, then Python may override the default behavior and\ninvoke the descriptor method instead.  Where this occurs in the\nprecedence chain depends on which descriptor methods were defined and\nhow they were called.\n\nThe starting point for descriptor invocation is a binding, "a.x". How\nthe arguments are assembled depends on "a":\n\nDirect Call\n   The simplest and least common call is when user code directly\n   invokes a descriptor method:    "x.__get__(a)".\n\nInstance Binding\n   If binding to an object instance, "a.x" is transformed into the\n   call: "type(a).__dict__[\'x\'].__get__(a, type(a))".\n\nClass Binding\n   If binding to a class, "A.x" is transformed into the call:\n   "A.__dict__[\'x\'].__get__(None, A)".\n\nSuper Binding\n   If "a" is an instance of "super", then the binding "super(B,\n   obj).m()" searches "obj.__class__.__mro__" for the base class "A"\n   immediately preceding "B" and then invokes the descriptor with the\n   call: "A.__dict__[\'m\'].__get__(obj, obj.__class__)".\n\nFor instance bindings, the precedence of descriptor invocation depends\non the which descriptor methods are defined.  A descriptor can define\nany combination of "__get__()", "__set__()" and "__delete__()".  If it\ndoes not define "__get__()", then accessing the attribute will return\nthe descriptor object itself unless there is a value in the object\'s\ninstance dictionary.  If the descriptor defines "__set__()" and/or\n"__delete__()", it is a data descriptor; if it defines neither, it is\na non-data descriptor.  Normally, data descriptors define both\n"__get__()" and "__set__()", while non-data descriptors have just the\n"__get__()" method.  Data descriptors with "__set__()" and "__get__()"\ndefined always override a redefinition in an instance dictionary.  In\ncontrast, non-data descriptors can be overridden by instances.\n\nPython methods (including "staticmethod()" and "classmethod()") are\nimplemented as non-data descriptors.  Accordingly, instances can\nredefine and override methods.  This allows individual instances to\nacquire behaviors that differ from other instances of the same class.\n\nThe "property()" function is implemented as a data descriptor.\nAccordingly, instances cannot override the behavior of a property.\n\n\n__slots__\n---------\n\nBy default, instances of classes have a dictionary for attribute\nstorage.  This wastes space for objects having very few instance\nvariables.  The space consumption can become acute when creating large\nnumbers of instances.\n\nThe default can be overridden by defining *__slots__* in a class\ndefinition. The *__slots__* declaration takes a sequence of instance\nvariables and reserves just enough space in each instance to hold a\nvalue for each variable.  Space is saved because *__dict__* is not\ncreated for each instance.\n\nobject.__slots__\n\n   This class variable can be assigned a string, iterable, or sequence\n   of strings with variable names used by instances.  *__slots__*\n   reserves space for the declared variables and prevents the\n   automatic creation of *__dict__* and *__weakref__* for each\n   instance.\n\n\nNotes on using *__slots__*\n~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n* When inheriting from a class without *__slots__*, the *__dict__*\n  attribute of that class will always be accessible, so a *__slots__*\n  definition in the subclass is meaningless.\n\n* Without a *__dict__* variable, instances cannot be assigned new\n  variables not listed in the *__slots__* definition.  Attempts to\n  assign to an unlisted variable name raises "AttributeError". If\n  dynamic assignment of new variables is desired, then add\n  "\'__dict__\'" to the sequence of strings in the *__slots__*\n  declaration.\n\n* Without a *__weakref__* variable for each instance, classes\n  defining *__slots__* do not support weak references to its\n  instances. If weak reference support is needed, then add\n  "\'__weakref__\'" to the sequence of strings in the *__slots__*\n  declaration.\n\n* *__slots__* are implemented at the class level by creating\n  descriptors (*Implementing Descriptors*) for each variable name.  As\n  a result, class attributes cannot be used to set default values for\n  instance variables defined by *__slots__*; otherwise, the class\n  attribute would overwrite the descriptor assignment.\n\n* The action of a *__slots__* declaration is limited to the class\n  where it is defined.  As a result, subclasses will have a *__dict__*\n  unless they also define *__slots__* (which must only contain names\n  of any *additional* slots).\n\n* If a class defines a slot also defined in a base class, the\n  instance variable defined by the base class slot is inaccessible\n  (except by retrieving its descriptor directly from the base class).\n  This renders the meaning of the program undefined.  In the future, a\n  check may be added to prevent this.\n\n* Nonempty *__slots__* does not work for classes derived from\n  "variable-length" built-in types such as "int", "bytes" and "tuple".\n\n* Any non-string iterable may be assigned to *__slots__*. Mappings\n  may also be used; however, in the future, special meaning may be\n  assigned to the values corresponding to each key.\n\n* *__class__* assignment works only if both classes have the same\n  *__slots__*.\n\n\nCustomizing class creation\n==========================\n\nBy default, classes are constructed using "type()". The class body is\nexecuted in a new namespace and the class name is bound locally to the\nresult of "type(name, bases, namespace)".\n\nThe class creation process can be customised by passing the\n"metaclass" keyword argument in the class definition line, or by\ninheriting from an existing class that included such an argument. In\nthe following example, both "MyClass" and "MySubclass" are instances\nof "Meta":\n\n   class Meta(type):\n       pass\n\n   class MyClass(metaclass=Meta):\n       pass\n\n   class MySubclass(MyClass):\n       pass\n\nAny other keyword arguments that are specified in the class definition\nare passed through to all metaclass operations described below.\n\nWhen a class definition is executed, the following steps occur:\n\n* the appropriate metaclass is determined\n\n* the class namespace is prepared\n\n* the class body is executed\n\n* the class object is created\n\n\nDetermining the appropriate metaclass\n-------------------------------------\n\nThe appropriate metaclass for a class definition is determined as\nfollows:\n\n* if no bases and no explicit metaclass are given, then "type()" is\n  used\n\n* if an explicit metaclass is given and it is *not* an instance of\n  "type()", then it is used directly as the metaclass\n\n* if an instance of "type()" is given as the explicit metaclass, or\n  bases are defined, then the most derived metaclass is used\n\nThe most derived metaclass is selected from the explicitly specified\nmetaclass (if any) and the metaclasses (i.e. "type(cls)") of all\nspecified base classes. The most derived metaclass is one which is a\nsubtype of *all* of these candidate metaclasses. If none of the\ncandidate metaclasses meets that criterion, then the class definition\nwill fail with "TypeError".\n\n\nPreparing the class namespace\n-----------------------------\n\nOnce the appropriate metaclass has been identified, then the class\nnamespace is prepared. If the metaclass has a "__prepare__" attribute,\nit is called as "namespace = metaclass.__prepare__(name, bases,\n**kwds)" (where the additional keyword arguments, if any, come from\nthe class definition).\n\nIf the metaclass has no "__prepare__" attribute, then the class\nnamespace is initialised as an empty "dict()" instance.\n\nSee also: **PEP 3115** - Metaclasses in Python 3000\n\n     Introduced the "__prepare__" namespace hook\n\n\nExecuting the class body\n------------------------\n\nThe class body is executed (approximately) as "exec(body, globals(),\nnamespace)". The key difference from a normal call to "exec()" is that\nlexical scoping allows the class body (including any methods) to\nreference names from the current and outer scopes when the class\ndefinition occurs inside a function.\n\nHowever, even when the class definition occurs inside the function,\nmethods defined inside the class still cannot see names defined at the\nclass scope. Class variables must be accessed through the first\nparameter of instance or class methods, and cannot be accessed at all\nfrom static methods.\n\n\nCreating the class object\n-------------------------\n\nOnce the class namespace has been populated by executing the class\nbody, the class object is created by calling "metaclass(name, bases,\nnamespace, **kwds)" (the additional keywords passed here are the same\nas those passed to "__prepare__").\n\nThis class object is the one that will be referenced by the zero-\nargument form of "super()". "__class__" is an implicit closure\nreference created by the compiler if any methods in a class body refer\nto either "__class__" or "super". This allows the zero argument form\nof "super()" to correctly identify the class being defined based on\nlexical scoping, while the class or instance that was used to make the\ncurrent call is identified based on the first argument passed to the\nmethod.\n\nAfter the class object is created, it is passed to the class\ndecorators included in the class definition (if any) and the resulting\nobject is bound in the local namespace as the defined class.\n\nSee also: **PEP 3135** - New super\n\n     Describes the implicit "__class__" closure reference\n\n\nMetaclass example\n-----------------\n\nThe potential uses for metaclasses are boundless. Some ideas that have\nbeen explored include logging, interface checking, automatic\ndelegation, automatic property creation, proxies, frameworks, and\nautomatic resource locking/synchronization.\n\nHere is an example of a metaclass that uses an\n"collections.OrderedDict" to remember the order that class variables\nare defined:\n\n   class OrderedClass(type):\n\n        @classmethod\n        def __prepare__(metacls, name, bases, **kwds):\n           return collections.OrderedDict()\n\n        def __new__(cls, name, bases, namespace, **kwds):\n           result = type.__new__(cls, name, bases, dict(namespace))\n           result.members = tuple(namespace)\n           return result\n\n   class A(metaclass=OrderedClass):\n       def one(self): pass\n       def two(self): pass\n       def three(self): pass\n       def four(self): pass\n\n   >>> A.members\n   (\'__module__\', \'one\', \'two\', \'three\', \'four\')\n\nWhen the class definition for *A* gets executed, the process begins\nwith calling the metaclass\'s "__prepare__()" method which returns an\nempty "collections.OrderedDict".  That mapping records the methods and\nattributes of *A* as they are defined within the body of the class\nstatement. Once those definitions are executed, the ordered dictionary\nis fully populated and the metaclass\'s "__new__()" method gets\ninvoked.  That method builds the new type and it saves the ordered\ndictionary keys in an attribute called "members".\n\n\nCustomizing instance and subclass checks\n========================================\n\nThe following methods are used to override the default behavior of the\n"isinstance()" and "issubclass()" built-in functions.\n\nIn particular, the metaclass "abc.ABCMeta" implements these methods in\norder to allow the addition of Abstract Base Classes (ABCs) as\n"virtual base classes" to any class or type (including built-in\ntypes), including other ABCs.\n\nclass.__instancecheck__(self, instance)\n\n   Return true if *instance* should be considered a (direct or\n   indirect) instance of *class*. If defined, called to implement\n   "isinstance(instance, class)".\n\nclass.__subclasscheck__(self, subclass)\n\n   Return true if *subclass* should be considered a (direct or\n   indirect) subclass of *class*.  If defined, called to implement\n   "issubclass(subclass, class)".\n\nNote that these methods are looked up on the type (metaclass) of a\nclass.  They cannot be defined as class methods in the actual class.\nThis is consistent with the lookup of special methods that are called\non instances, only in this case the instance is itself a class.\n\nSee also: **PEP 3119** - Introducing Abstract Base Classes\n\n     Includes the specification for customizing "isinstance()" and\n     "issubclass()" behavior through "__instancecheck__()" and\n     "__subclasscheck__()", with motivation for this functionality in\n     the context of adding Abstract Base Classes (see the "abc"\n     module) to the language.\n\n\nEmulating callable objects\n==========================\n\nobject.__call__(self[, args...])\n\n   Called when the instance is "called" as a function; if this method\n   is defined, "x(arg1, arg2, ...)" is a shorthand for\n   "x.__call__(arg1, arg2, ...)".\n\n\nEmulating container types\n=========================\n\nThe following methods can be defined to implement container objects.\nContainers usually are sequences (such as lists or tuples) or mappings\n(like dictionaries), but can represent other containers as well.  The\nfirst set of methods is used either to emulate a sequence or to\nemulate a mapping; the difference is that for a sequence, the\nallowable keys should be the integers *k* for which "0 <= k < N" where\n*N* is the length of the sequence, or slice objects, which define a\nrange of items.  It is also recommended that mappings provide the\nmethods "keys()", "values()", "items()", "get()", "clear()",\n"setdefault()", "pop()", "popitem()", "copy()", and "update()"\nbehaving similar to those for Python\'s standard dictionary objects.\nThe "collections" module provides a "MutableMapping" abstract base\nclass to help create those methods from a base set of "__getitem__()",\n"__setitem__()", "__delitem__()", and "keys()". Mutable sequences\nshould provide methods "append()", "count()", "index()", "extend()",\n"insert()", "pop()", "remove()", "reverse()" and "sort()", like Python\nstandard list objects.  Finally, sequence types should implement\naddition (meaning concatenation) and multiplication (meaning\nrepetition) by defining the methods "__add__()", "__radd__()",\n"__iadd__()", "__mul__()", "__rmul__()" and "__imul__()" described\nbelow; they should not define other numerical operators.  It is\nrecommended that both mappings and sequences implement the\n"__contains__()" method to allow efficient use of the "in" operator;\nfor mappings, "in" should search the mapping\'s keys; for sequences, it\nshould search through the values.  It is further recommended that both\nmappings and sequences implement the "__iter__()" method to allow\nefficient iteration through the container; for mappings, "__iter__()"\nshould be the same as "keys()"; for sequences, it should iterate\nthrough the values.\n\nobject.__len__(self)\n\n   Called to implement the built-in function "len()".  Should return\n   the length of the object, an integer ">=" 0.  Also, an object that\n   doesn\'t define a "__bool__()" method and whose "__len__()" method\n   returns zero is considered to be false in a Boolean context.\n\nobject.__length_hint__(self)\n\n   Called to implement "operator.length_hint()". Should return an\n   estimated length for the object (which may be greater or less than\n   the actual length). The length must be an integer ">=" 0. This\n   method is purely an optimization and is never required for\n   correctness.\n\n   New in version 3.4.\n\nNote: Slicing is done exclusively with the following three methods.\n  A call like\n\n     a[1:2] = b\n\n  is translated to\n\n     a[slice(1, 2, None)] = b\n\n  and so forth.  Missing slice items are always filled in with "None".\n\nobject.__getitem__(self, key)\n\n   Called to implement evaluation of "self[key]". For sequence types,\n   the accepted keys should be integers and slice objects.  Note that\n   the special interpretation of negative indexes (if the class wishes\n   to emulate a sequence type) is up to the "__getitem__()" method. If\n   *key* is of an inappropriate type, "TypeError" may be raised; if of\n   a value outside the set of indexes for the sequence (after any\n   special interpretation of negative values), "IndexError" should be\n   raised. For mapping types, if *key* is missing (not in the\n   container), "KeyError" should be raised.\n\n   Note: "for" loops expect that an "IndexError" will be raised for\n     illegal indexes to allow proper detection of the end of the\n     sequence.\n\nobject.__missing__(self, key)\n\n   Called by "dict"."__getitem__()" to implement "self[key]" for dict\n   subclasses when key is not in the dictionary.\n\nobject.__setitem__(self, key, value)\n\n   Called to implement assignment to "self[key]".  Same note as for\n   "__getitem__()".  This should only be implemented for mappings if\n   the objects support changes to the values for keys, or if new keys\n   can be added, or for sequences if elements can be replaced.  The\n   same exceptions should be raised for improper *key* values as for\n   the "__getitem__()" method.\n\nobject.__delitem__(self, key)\n\n   Called to implement deletion of "self[key]".  Same note as for\n   "__getitem__()".  This should only be implemented for mappings if\n   the objects support removal of keys, or for sequences if elements\n   can be removed from the sequence.  The same exceptions should be\n   raised for improper *key* values as for the "__getitem__()" method.\n\nobject.__iter__(self)\n\n   This method is called when an iterator is required for a container.\n   This method should return a new iterator object that can iterate\n   over all the objects in the container.  For mappings, it should\n   iterate over the keys of the container.\n\n   Iterator objects also need to implement this method; they are\n   required to return themselves.  For more information on iterator\n   objects, see *Iterator Types*.\n\nobject.__reversed__(self)\n\n   Called (if present) by the "reversed()" built-in to implement\n   reverse iteration.  It should return a new iterator object that\n   iterates over all the objects in the container in reverse order.\n\n   If the "__reversed__()" method is not provided, the "reversed()"\n   built-in will fall back to using the sequence protocol ("__len__()"\n   and "__getitem__()").  Objects that support the sequence protocol\n   should only provide "__reversed__()" if they can provide an\n   implementation that is more efficient than the one provided by\n   "reversed()".\n\nThe membership test operators ("in" and "not in") are normally\nimplemented as an iteration through a sequence.  However, container\nobjects can supply the following special method with a more efficient\nimplementation, which also does not require the object be a sequence.\n\nobject.__contains__(self, item)\n\n   Called to implement membership test operators.  Should return true\n   if *item* is in *self*, false otherwise.  For mapping objects, this\n   should consider the keys of the mapping rather than the values or\n   the key-item pairs.\n\n   For objects that don\'t define "__contains__()", the membership test\n   first tries iteration via "__iter__()", then the old sequence\n   iteration protocol via "__getitem__()", see *this section in the\n   language reference*.\n\n\nEmulating numeric types\n=======================\n\nThe following methods can be defined to emulate numeric objects.\nMethods corresponding to operations that are not supported by the\nparticular kind of number implemented (e.g., bitwise operations for\nnon-integral numbers) should be left undefined.\n\nobject.__add__(self, other)\nobject.__sub__(self, other)\nobject.__mul__(self, other)\nobject.__truediv__(self, other)\nobject.__floordiv__(self, other)\nobject.__mod__(self, other)\nobject.__divmod__(self, other)\nobject.__pow__(self, other[, modulo])\nobject.__lshift__(self, other)\nobject.__rshift__(self, other)\nobject.__and__(self, other)\nobject.__xor__(self, other)\nobject.__or__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "/", "//", "%", "divmod()", "pow()",\n   "**", "<<", ">>", "&", "^", "|").  For instance, to evaluate the\n   expression "x + y", where *x* is an instance of a class that has an\n   "__add__()" method, "x.__add__(y)" is called.  The "__divmod__()"\n   method should be the equivalent to using "__floordiv__()" and\n   "__mod__()"; it should not be related to "__truediv__()".  Note\n   that "__pow__()" should be defined to accept an optional third\n   argument if the ternary version of the built-in "pow()" function is\n   to be supported.\n\n   If one of those methods does not support the operation with the\n   supplied arguments, it should return "NotImplemented".\n\nobject.__radd__(self, other)\nobject.__rsub__(self, other)\nobject.__rmul__(self, other)\nobject.__rtruediv__(self, other)\nobject.__rfloordiv__(self, other)\nobject.__rmod__(self, other)\nobject.__rdivmod__(self, other)\nobject.__rpow__(self, other)\nobject.__rlshift__(self, other)\nobject.__rrshift__(self, other)\nobject.__rand__(self, other)\nobject.__rxor__(self, other)\nobject.__ror__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "/", "//", "%", "divmod()", "pow()",\n   "**", "<<", ">>", "&", "^", "|") with reflected (swapped) operands.\n   These functions are only called if the left operand does not\n   support the corresponding operation and the operands are of\n   different types. [2]  For instance, to evaluate the expression "x -\n   y", where *y* is an instance of a class that has an "__rsub__()"\n   method, "y.__rsub__(x)" is called if "x.__sub__(y)" returns\n   *NotImplemented*.\n\n   Note that ternary "pow()" will not try calling "__rpow__()" (the\n   coercion rules would become too complicated).\n\n   Note: If the right operand\'s type is a subclass of the left\n     operand\'s type and that subclass provides the reflected method\n     for the operation, this method will be called before the left\n     operand\'s non-reflected method.  This behavior allows subclasses\n     to override their ancestors\' operations.\n\nobject.__iadd__(self, other)\nobject.__isub__(self, other)\nobject.__imul__(self, other)\nobject.__itruediv__(self, other)\nobject.__ifloordiv__(self, other)\nobject.__imod__(self, other)\nobject.__ipow__(self, other[, modulo])\nobject.__ilshift__(self, other)\nobject.__irshift__(self, other)\nobject.__iand__(self, other)\nobject.__ixor__(self, other)\nobject.__ior__(self, other)\n\n   These methods are called to implement the augmented arithmetic\n   assignments ("+=", "-=", "*=", "/=", "//=", "%=", "**=", "<<=",\n   ">>=", "&=", "^=", "|=").  These methods should attempt to do the\n   operation in-place (modifying *self*) and return the result (which\n   could be, but does not have to be, *self*).  If a specific method\n   is not defined, the augmented assignment falls back to the normal\n   methods.  For instance, if *x* is an instance of a class with an\n   "__iadd__()" method, "x += y" is equivalent to "x = x.__iadd__(y)"\n   . Otherwise, "x.__add__(y)" and "y.__radd__(x)" are considered, as\n   with the evaluation of "x + y". In certain situations, augmented\n   assignment can result in unexpected errors (see *Why does\n   a_tuple[i] += [\'item\'] raise an exception when the addition\n   works?*), but this behavior is in fact part of the data model.\n\nobject.__neg__(self)\nobject.__pos__(self)\nobject.__abs__(self)\nobject.__invert__(self)\n\n   Called to implement the unary arithmetic operations ("-", "+",\n   "abs()" and "~").\n\nobject.__complex__(self)\nobject.__int__(self)\nobject.__float__(self)\nobject.__round__(self[, n])\n\n   Called to implement the built-in functions "complex()", "int()",\n   "float()" and "round()".  Should return a value of the appropriate\n   type.\n\nobject.__index__(self)\n\n   Called to implement "operator.index()", and whenever Python needs\n   to losslessly convert the numeric object to an integer object (such\n   as in slicing, or in the built-in "bin()", "hex()" and "oct()"\n   functions). Presence of this method indicates that the numeric\n   object is an integer type.  Must return an integer.\n\n   Note: In order to have a coherent integer type class, when\n     "__index__()" is defined "__int__()" should also be defined, and\n     both should return the same value.\n\n\nWith Statement Context Managers\n===============================\n\nA *context manager* is an object that defines the runtime context to\nbe established when executing a "with" statement. The context manager\nhandles the entry into, and the exit from, the desired runtime context\nfor the execution of the block of code.  Context managers are normally\ninvoked using the "with" statement (described in section *The with\nstatement*), but can also be used by directly invoking their methods.\n\nTypical uses of context managers include saving and restoring various\nkinds of global state, locking and unlocking resources, closing opened\nfiles, etc.\n\nFor more information on context managers, see *Context Manager Types*.\n\nobject.__enter__(self)\n\n   Enter the runtime context related to this object. The "with"\n   statement will bind this method\'s return value to the target(s)\n   specified in the "as" clause of the statement, if any.\n\nobject.__exit__(self, exc_type, exc_value, traceback)\n\n   Exit the runtime context related to this object. The parameters\n   describe the exception that caused the context to be exited. If the\n   context was exited without an exception, all three arguments will\n   be "None".\n\n   If an exception is supplied, and the method wishes to suppress the\n   exception (i.e., prevent it from being propagated), it should\n   return a true value. Otherwise, the exception will be processed\n   normally upon exit from this method.\n\n   Note that "__exit__()" methods should not reraise the passed-in\n   exception; this is the caller\'s responsibility.\n\nSee also: **PEP 0343** - The "with" statement\n\n     The specification, background, and examples for the Python "with"\n     statement.\n\n\nSpecial method lookup\n=====================\n\nFor custom classes, implicit invocations of special methods are only\nguaranteed to work correctly if defined on an object\'s type, not in\nthe object\'s instance dictionary.  That behaviour is the reason why\nthe following code raises an exception:\n\n   >>> class C:\n   ...     pass\n   ...\n   >>> c = C()\n   >>> c.__len__ = lambda: 5\n   >>> len(c)\n   Traceback (most recent call last):\n     File "<stdin>", line 1, in <module>\n   TypeError: object of type \'C\' has no len()\n\nThe rationale behind this behaviour lies with a number of special\nmethods such as "__hash__()" and "__repr__()" that are implemented by\nall objects, including type objects. If the implicit lookup of these\nmethods used the conventional lookup process, they would fail when\ninvoked on the type object itself:\n\n   >>> 1 .__hash__() == hash(1)\n   True\n   >>> int.__hash__() == hash(int)\n   Traceback (most recent call last):\n     File "<stdin>", line 1, in <module>\n   TypeError: descriptor \'__hash__\' of \'int\' object needs an argument\n\nIncorrectly attempting to invoke an unbound method of a class in this\nway is sometimes referred to as \'metaclass confusion\', and is avoided\nby bypassing the instance when looking up special methods:\n\n   >>> type(1).__hash__(1) == hash(1)\n   True\n   >>> type(int).__hash__(int) == hash(int)\n   True\n\nIn addition to bypassing any instance attributes in the interest of\ncorrectness, implicit special method lookup generally also bypasses\nthe "__getattribute__()" method even of the object\'s metaclass:\n\n   >>> class Meta(type):\n   ...    def __getattribute__(*args):\n   ...       print("Metaclass getattribute invoked")\n   ...       return type.__getattribute__(*args)\n   ...\n   >>> class C(object, metaclass=Meta):\n   ...     def __len__(self):\n   ...         return 10\n   ...     def __getattribute__(*args):\n   ...         print("Class getattribute invoked")\n   ...         return object.__getattribute__(*args)\n   ...\n   >>> c = C()\n   >>> c.__len__()                 # Explicit lookup via instance\n   Class getattribute invoked\n   10\n   >>> type(c).__len__(c)          # Explicit lookup via type\n   Metaclass getattribute invoked\n   10\n   >>> len(c)                      # Implicit lookup\n   10\n\nBypassing the "__getattribute__()" machinery in this fashion provides\nsignificant scope for speed optimisations within the interpreter, at\nthe cost of some flexibility in the handling of special methods (the\nspecial method *must* be set on the class object itself in order to be\nconsistently invoked by the interpreter).\n\n-[ Footnotes ]-\n\n[1] It *is* possible in some cases to change an object\'s type,\n    under certain controlled conditions. It generally isn\'t a good\n    idea though, since it can lead to some very strange behaviour if\n    it is handled incorrectly.\n\n[2] For operands of the same type, it is assumed that if the non-\n    reflected method (such as "__add__()") fails the operation is not\n    supported, which is why the reflected method is not called.\n',
- 'string-methods': u'\nString Methods\n**************\n\nStrings implement all of the *common* sequence operations, along with\nthe additional methods described below.\n\nStrings also support two styles of string formatting, one providing a\nlarge degree of flexibility and customization (see "str.format()",\n*Format String Syntax* and *String Formatting*) and the other based on\nC "printf" style formatting that handles a narrower range of types and\nis slightly harder to use correctly, but is often faster for the cases\nit can handle (*printf-style String Formatting*).\n\nThe *Text Processing Services* section of the standard library covers\na number of other modules that provide various text related utilities\n(including regular expression support in the "re" module).\n\nstr.capitalize()\n\n   Return a copy of the string with its first character capitalized\n   and the rest lowercased.\n\nstr.casefold()\n\n   Return a casefolded copy of the string. Casefolded strings may be\n   used for caseless matching.\n\n   Casefolding is similar to lowercasing but more aggressive because\n   it is intended to remove all case distinctions in a string. For\n   example, the German lowercase letter "\'\xdf\'" is equivalent to ""ss"".\n   Since it is already lowercase, "lower()" would do nothing to "\'\xdf\'";\n   "casefold()" converts it to ""ss"".\n\n   The casefolding algorithm is described in section 3.13 of the\n   Unicode Standard.\n\n   New in version 3.3.\n\nstr.center(width[, fillchar])\n\n   Return centered in a string of length *width*. Padding is done\n   using the specified *fillchar* (default is an ASCII space). The\n   original string is returned if *width* is less than or equal to\n   "len(s)".\n\nstr.count(sub[, start[, end]])\n\n   Return the number of non-overlapping occurrences of substring *sub*\n   in the range [*start*, *end*].  Optional arguments *start* and\n   *end* are interpreted as in slice notation.\n\nstr.encode(encoding="utf-8", errors="strict")\n\n   Return an encoded version of the string as a bytes object. Default\n   encoding is "\'utf-8\'". *errors* may be given to set a different\n   error handling scheme. The default for *errors* is "\'strict\'",\n   meaning that encoding errors raise a "UnicodeError". Other possible\n   values are "\'ignore\'", "\'replace\'", "\'xmlcharrefreplace\'",\n   "\'backslashreplace\'" and any other name registered via\n   "codecs.register_error()", see section *Error Handlers*. For a list\n   of possible encodings, see section *Standard Encodings*.\n\n   Changed in version 3.1: Support for keyword arguments added.\n\nstr.endswith(suffix[, start[, end]])\n\n   Return "True" if the string ends with the specified *suffix*,\n   otherwise return "False".  *suffix* can also be a tuple of suffixes\n   to look for.  With optional *start*, test beginning at that\n   position.  With optional *end*, stop comparing at that position.\n\nstr.expandtabs(tabsize=8)\n\n   Return a copy of the string where all tab characters are replaced\n   by one or more spaces, depending on the current column and the\n   given tab size.  Tab positions occur every *tabsize* characters\n   (default is 8, giving tab positions at columns 0, 8, 16 and so on).\n   To expand the string, the current column is set to zero and the\n   string is examined character by character.  If the character is a\n   tab ("\\t"), one or more space characters are inserted in the result\n   until the current column is equal to the next tab position. (The\n   tab character itself is not copied.)  If the character is a newline\n   ("\\n") or return ("\\r"), it is copied and the current column is\n   reset to zero.  Any other character is copied unchanged and the\n   current column is incremented by one regardless of how the\n   character is represented when printed.\n\n   >>> \'01\\t012\\t0123\\t01234\'.expandtabs()\n   \'01      012     0123    01234\'\n   >>> \'01\\t012\\t0123\\t01234\'.expandtabs(4)\n   \'01  012 0123    01234\'\n\nstr.find(sub[, start[, end]])\n\n   Return the lowest index in the string where substring *sub* is\n   found, such that *sub* is contained in the slice "s[start:end]".\n   Optional arguments *start* and *end* are interpreted as in slice\n   notation.  Return "-1" if *sub* is not found.\n\n   Note: The "find()" method should be used only if you need to know\n     the position of *sub*.  To check if *sub* is a substring or not,\n     use the "in" operator:\n\n        >>> \'Py\' in \'Python\'\n        True\n\nstr.format(*args, **kwargs)\n\n   Perform a string formatting operation.  The string on which this\n   method is called can contain literal text or replacement fields\n   delimited by braces "{}".  Each replacement field contains either\n   the numeric index of a positional argument, or the name of a\n   keyword argument.  Returns a copy of the string where each\n   replacement field is replaced with the string value of the\n   corresponding argument.\n\n   >>> "The sum of 1 + 2 is {0}".format(1+2)\n   \'The sum of 1 + 2 is 3\'\n\n   See *Format String Syntax* for a description of the various\n   formatting options that can be specified in format strings.\n\nstr.format_map(mapping)\n\n   Similar to "str.format(**mapping)", except that "mapping" is used\n   directly and not copied to a "dict".  This is useful if for example\n   "mapping" is a dict subclass:\n\n   >>> class Default(dict):\n   ...     def __missing__(self, key):\n   ...         return key\n   ...\n   >>> \'{name} was born in {country}\'.format_map(Default(name=\'Guido\'))\n   \'Guido was born in country\'\n\n   New in version 3.2.\n\nstr.index(sub[, start[, end]])\n\n   Like "find()", but raise "ValueError" when the substring is not\n   found.\n\nstr.isalnum()\n\n   Return true if all characters in the string are alphanumeric and\n   there is at least one character, false otherwise.  A character "c"\n   is alphanumeric if one of the following returns "True":\n   "c.isalpha()", "c.isdecimal()", "c.isdigit()", or "c.isnumeric()".\n\nstr.isalpha()\n\n   Return true if all characters in the string are alphabetic and\n   there is at least one character, false otherwise.  Alphabetic\n   characters are those characters defined in the Unicode character\n   database as "Letter", i.e., those with general category property\n   being one of "Lm", "Lt", "Lu", "Ll", or "Lo".  Note that this is\n   different from the "Alphabetic" property defined in the Unicode\n   Standard.\n\nstr.isdecimal()\n\n   Return true if all characters in the string are decimal characters\n   and there is at least one character, false otherwise. Decimal\n   characters are those from general category "Nd". This category\n   includes digit characters, and all characters that can be used to\n   form decimal-radix numbers, e.g. U+0660, ARABIC-INDIC DIGIT ZERO.\n\nstr.isdigit()\n\n   Return true if all characters in the string are digits and there is\n   at least one character, false otherwise.  Digits include decimal\n   characters and digits that need special handling, such as the\n   compatibility superscript digits.  Formally, a digit is a character\n   that has the property value Numeric_Type=Digit or\n   Numeric_Type=Decimal.\n\nstr.isidentifier()\n\n   Return true if the string is a valid identifier according to the\n   language definition, section *Identifiers and keywords*.\n\n   Use "keyword.iskeyword()" to test for reserved identifiers such as\n   "def" and "class".\n\nstr.islower()\n\n   Return true if all cased characters [4] in the string are lowercase\n   and there is at least one cased character, false otherwise.\n\nstr.isnumeric()\n\n   Return true if all characters in the string are numeric characters,\n   and there is at least one character, false otherwise. Numeric\n   characters include digit characters, and all characters that have\n   the Unicode numeric value property, e.g. U+2155, VULGAR FRACTION\n   ONE FIFTH.  Formally, numeric characters are those with the\n   property value Numeric_Type=Digit, Numeric_Type=Decimal or\n   Numeric_Type=Numeric.\n\nstr.isprintable()\n\n   Return true if all characters in the string are printable or the\n   string is empty, false otherwise.  Nonprintable characters are\n   those characters defined in the Unicode character database as\n   "Other" or "Separator", excepting the ASCII space (0x20) which is\n   considered printable.  (Note that printable characters in this\n   context are those which should not be escaped when "repr()" is\n   invoked on a string.  It has no bearing on the handling of strings\n   written to "sys.stdout" or "sys.stderr".)\n\nstr.isspace()\n\n   Return true if there are only whitespace characters in the string\n   and there is at least one character, false otherwise.  Whitespace\n   characters  are those characters defined in the Unicode character\n   database as "Other" or "Separator" and those with bidirectional\n   property being one of "WS", "B", or "S".\n\nstr.istitle()\n\n   Return true if the string is a titlecased string and there is at\n   least one character, for example uppercase characters may only\n   follow uncased characters and lowercase characters only cased ones.\n   Return false otherwise.\n\nstr.isupper()\n\n   Return true if all cased characters [4] in the string are uppercase\n   and there is at least one cased character, false otherwise.\n\nstr.join(iterable)\n\n   Return a string which is the concatenation of the strings in the\n   *iterable* *iterable*.  A "TypeError" will be raised if there are\n   any non-string values in *iterable*, including "bytes" objects.\n   The separator between elements is the string providing this method.\n\nstr.ljust(width[, fillchar])\n\n   Return the string left justified in a string of length *width*.\n   Padding is done using the specified *fillchar* (default is an ASCII\n   space). The original string is returned if *width* is less than or\n   equal to "len(s)".\n\nstr.lower()\n\n   Return a copy of the string with all the cased characters [4]\n   converted to lowercase.\n\n   The lowercasing algorithm used is described in section 3.13 of the\n   Unicode Standard.\n\nstr.lstrip([chars])\n\n   Return a copy of the string with leading characters removed.  The\n   *chars* argument is a string specifying the set of characters to be\n   removed.  If omitted or "None", the *chars* argument defaults to\n   removing whitespace.  The *chars* argument is not a prefix; rather,\n   all combinations of its values are stripped:\n\n      >>> \'   spacious   \'.lstrip()\n      \'spacious   \'\n      >>> \'www.example.com\'.lstrip(\'cmowz.\')\n      \'example.com\'\n\nstatic str.maketrans(x[, y[, z]])\n\n   This static method returns a translation table usable for\n   "str.translate()".\n\n   If there is only one argument, it must be a dictionary mapping\n   Unicode ordinals (integers) or characters (strings of length 1) to\n   Unicode ordinals, strings (of arbitrary lengths) or None.\n   Character keys will then be converted to ordinals.\n\n   If there are two arguments, they must be strings of equal length,\n   and in the resulting dictionary, each character in x will be mapped\n   to the character at the same position in y.  If there is a third\n   argument, it must be a string, whose characters will be mapped to\n   None in the result.\n\nstr.partition(sep)\n\n   Split the string at the first occurrence of *sep*, and return a\n   3-tuple containing the part before the separator, the separator\n   itself, and the part after the separator.  If the separator is not\n   found, return a 3-tuple containing the string itself, followed by\n   two empty strings.\n\nstr.replace(old, new[, count])\n\n   Return a copy of the string with all occurrences of substring *old*\n   replaced by *new*.  If the optional argument *count* is given, only\n   the first *count* occurrences are replaced.\n\nstr.rfind(sub[, start[, end]])\n\n   Return the highest index in the string where substring *sub* is\n   found, such that *sub* is contained within "s[start:end]".\n   Optional arguments *start* and *end* are interpreted as in slice\n   notation.  Return "-1" on failure.\n\nstr.rindex(sub[, start[, end]])\n\n   Like "rfind()" but raises "ValueError" when the substring *sub* is\n   not found.\n\nstr.rjust(width[, fillchar])\n\n   Return the string right justified in a string of length *width*.\n   Padding is done using the specified *fillchar* (default is an ASCII\n   space). The original string is returned if *width* is less than or\n   equal to "len(s)".\n\nstr.rpartition(sep)\n\n   Split the string at the last occurrence of *sep*, and return a\n   3-tuple containing the part before the separator, the separator\n   itself, and the part after the separator.  If the separator is not\n   found, return a 3-tuple containing two empty strings, followed by\n   the string itself.\n\nstr.rsplit(sep=None, maxsplit=-1)\n\n   Return a list of the words in the string, using *sep* as the\n   delimiter string. If *maxsplit* is given, at most *maxsplit* splits\n   are done, the *rightmost* ones.  If *sep* is not specified or\n   "None", any whitespace string is a separator.  Except for splitting\n   from the right, "rsplit()" behaves like "split()" which is\n   described in detail below.\n\nstr.rstrip([chars])\n\n   Return a copy of the string with trailing characters removed.  The\n   *chars* argument is a string specifying the set of characters to be\n   removed.  If omitted or "None", the *chars* argument defaults to\n   removing whitespace.  The *chars* argument is not a suffix; rather,\n   all combinations of its values are stripped:\n\n      >>> \'   spacious   \'.rstrip()\n      \'   spacious\'\n      >>> \'mississippi\'.rstrip(\'ipz\')\n      \'mississ\'\n\nstr.split(sep=None, maxsplit=-1)\n\n   Return a list of the words in the string, using *sep* as the\n   delimiter string.  If *maxsplit* is given, at most *maxsplit*\n   splits are done (thus, the list will have at most "maxsplit+1"\n   elements).  If *maxsplit* is not specified or "-1", then there is\n   no limit on the number of splits (all possible splits are made).\n\n   If *sep* is given, consecutive delimiters are not grouped together\n   and are deemed to delimit empty strings (for example,\n   "\'1,,2\'.split(\',\')" returns "[\'1\', \'\', \'2\']").  The *sep* argument\n   may consist of multiple characters (for example,\n   "\'1<>2<>3\'.split(\'<>\')" returns "[\'1\', \'2\', \'3\']"). Splitting an\n   empty string with a specified separator returns "[\'\']".\n\n   For example:\n\n      >>> \'1,2,3\'.split(\',\')\n      [\'1\', \'2\', \'3\']\n      >>> \'1,2,3\'.split(\',\', maxsplit=1)\n      [\'1\', \'2,3\']\n      >>> \'1,2,,3,\'.split(\',\')\n      [\'1\', \'2\', \'\', \'3\', \'\']\n\n   If *sep* is not specified or is "None", a different splitting\n   algorithm is applied: runs of consecutive whitespace are regarded\n   as a single separator, and the result will contain no empty strings\n   at the start or end if the string has leading or trailing\n   whitespace.  Consequently, splitting an empty string or a string\n   consisting of just whitespace with a "None" separator returns "[]".\n\n   For example:\n\n      >>> \'1 2 3\'.split()\n      [\'1\', \'2\', \'3\']\n      >>> \'1 2 3\'.split(maxsplit=1)\n      [\'1\', \'2 3\']\n      >>> \'   1   2   3   \'.split()\n      [\'1\', \'2\', \'3\']\n\nstr.splitlines([keepends])\n\n   Return a list of the lines in the string, breaking at line\n   boundaries. This method uses the *universal newlines* approach to\n   splitting lines. Line breaks are not included in the resulting list\n   unless *keepends* is given and true.\n\n   For example:\n\n      >>> \'ab c\\n\\nde fg\\rkl\\r\\n\'.splitlines()\n      [\'ab c\', \'\', \'de fg\', \'kl\']\n      >>> \'ab c\\n\\nde fg\\rkl\\r\\n\'.splitlines(keepends=True)\n      [\'ab c\\n\', \'\\n\', \'de fg\\r\', \'kl\\r\\n\']\n\n   Unlike "split()" when a delimiter string *sep* is given, this\n   method returns an empty list for the empty string, and a terminal\n   line break does not result in an extra line:\n\n      >>> "".splitlines()\n      []\n      >>> "One line\\n".splitlines()\n      [\'One line\']\n\n   For comparison, "split(\'\\n\')" gives:\n\n      >>> \'\'.split(\'\\n\')\n      [\'\']\n      >>> \'Two lines\\n\'.split(\'\\n\')\n      [\'Two lines\', \'\']\n\nstr.startswith(prefix[, start[, end]])\n\n   Return "True" if string starts with the *prefix*, otherwise return\n   "False". *prefix* can also be a tuple of prefixes to look for.\n   With optional *start*, test string beginning at that position.\n   With optional *end*, stop comparing string at that position.\n\nstr.strip([chars])\n\n   Return a copy of the string with the leading and trailing\n   characters removed. The *chars* argument is a string specifying the\n   set of characters to be removed. If omitted or "None", the *chars*\n   argument defaults to removing whitespace. The *chars* argument is\n   not a prefix or suffix; rather, all combinations of its values are\n   stripped:\n\n      >>> \'   spacious   \'.strip()\n      \'spacious\'\n      >>> \'www.example.com\'.strip(\'cmowz.\')\n      \'example\'\n\nstr.swapcase()\n\n   Return a copy of the string with uppercase characters converted to\n   lowercase and vice versa. Note that it is not necessarily true that\n   "s.swapcase().swapcase() == s".\n\nstr.title()\n\n   Return a titlecased version of the string where words start with an\n   uppercase character and the remaining characters are lowercase.\n\n   For example:\n\n      >>> \'Hello world\'.title()\n      \'Hello World\'\n\n   The algorithm uses a simple language-independent definition of a\n   word as groups of consecutive letters.  The definition works in\n   many contexts but it means that apostrophes in contractions and\n   possessives form word boundaries, which may not be the desired\n   result:\n\n      >>> "they\'re bill\'s friends from the UK".title()\n      "They\'Re Bill\'S Friends From The Uk"\n\n   A workaround for apostrophes can be constructed using regular\n   expressions:\n\n      >>> import re\n      >>> def titlecase(s):\n      ...     return re.sub(r"[A-Za-z]+(\'[A-Za-z]+)?",\n      ...                   lambda mo: mo.group(0)[0].upper() +\n      ...                              mo.group(0)[1:].lower(),\n      ...                   s)\n      ...\n      >>> titlecase("they\'re bill\'s friends.")\n      "They\'re Bill\'s Friends."\n\nstr.translate(map)\n\n   Return a copy of the *s* where all characters have been mapped\n   through the *map* which must be a dictionary of Unicode ordinals\n   (integers) to Unicode ordinals, strings or "None".  Unmapped\n   characters are left untouched. Characters mapped to "None" are\n   deleted.\n\n   You can use "str.maketrans()" to create a translation map from\n   character-to-character mappings in different formats.\n\n   Note: An even more flexible approach is to create a custom\n     character mapping codec using the "codecs" module (see\n     "encodings.cp1251" for an example).\n\nstr.upper()\n\n   Return a copy of the string with all the cased characters [4]\n   converted to uppercase.  Note that "str.upper().isupper()" might be\n   "False" if "s" contains uncased characters or if the Unicode\n   category of the resulting character(s) is not "Lu" (Letter,\n   uppercase), but e.g. "Lt" (Letter, titlecase).\n\n   The uppercasing algorithm used is described in section 3.13 of the\n   Unicode Standard.\n\nstr.zfill(width)\n\n   Return a copy of the string left filled with ASCII "\'0\'" digits to\n   make a string of length *width*. A leading sign prefix ("\'+\'"/"\'-\'"\n   is handled by inserting the padding *after* the sign character\n   rather than before. The original string is returned if *width* is\n   less than or equal to "len(s)".\n\n   For example:\n\n      >>> "42".zfill(5)\n      \'00042\'\n      >>> "-42".zfill(5)\n      \'-0042\'\n',
+ 'specialnames': u'\nSpecial method names\n********************\n\nA class can implement certain operations that are invoked by special\nsyntax (such as arithmetic operations or subscripting and slicing) by\ndefining methods with special names. This is Python\'s approach to\n*operator overloading*, allowing classes to define their own behavior\nwith respect to language operators.  For instance, if a class defines\na method named "__getitem__()", and "x" is an instance of this class,\nthen "x[i]" is roughly equivalent to "type(x).__getitem__(x, i)".\nExcept where mentioned, attempts to execute an operation raise an\nexception when no appropriate method is defined (typically\n"AttributeError" or "TypeError").\n\nWhen implementing a class that emulates any built-in type, it is\nimportant that the emulation only be implemented to the degree that it\nmakes sense for the object being modelled.  For example, some\nsequences may work well with retrieval of individual elements, but\nextracting a slice may not make sense.  (One example of this is the\n"NodeList" interface in the W3C\'s Document Object Model.)\n\n\nBasic customization\n===================\n\nobject.__new__(cls[, ...])\n\n   Called to create a new instance of class *cls*.  "__new__()" is a\n   static method (special-cased so you need not declare it as such)\n   that takes the class of which an instance was requested as its\n   first argument.  The remaining arguments are those passed to the\n   object constructor expression (the call to the class).  The return\n   value of "__new__()" should be the new object instance (usually an\n   instance of *cls*).\n\n   Typical implementations create a new instance of the class by\n   invoking the superclass\'s "__new__()" method using\n   "super(currentclass, cls).__new__(cls[, ...])" with appropriate\n   arguments and then modifying the newly-created instance as\n   necessary before returning it.\n\n   If "__new__()" returns an instance of *cls*, then the new\n   instance\'s "__init__()" method will be invoked like\n   "__init__(self[, ...])", where *self* is the new instance and the\n   remaining arguments are the same as were passed to "__new__()".\n\n   If "__new__()" does not return an instance of *cls*, then the new\n   instance\'s "__init__()" method will not be invoked.\n\n   "__new__()" is intended mainly to allow subclasses of immutable\n   types (like int, str, or tuple) to customize instance creation.  It\n   is also commonly overridden in custom metaclasses in order to\n   customize class creation.\n\nobject.__init__(self[, ...])\n\n   Called after the instance has been created (by "__new__()"), but\n   before it is returned to the caller.  The arguments are those\n   passed to the class constructor expression.  If a base class has an\n   "__init__()" method, the derived class\'s "__init__()" method, if\n   any, must explicitly call it to ensure proper initialization of the\n   base class part of the instance; for example:\n   "BaseClass.__init__(self, [args...])".\n\n   Because "__new__()" and "__init__()" work together in constructing\n   objects ("__new__()" to create it, and "__init__()" to customise\n   it), no non-"None" value may be returned by "__init__()"; doing so\n   will cause a "TypeError" to be raised at runtime.\n\nobject.__del__(self)\n\n   Called when the instance is about to be destroyed.  This is also\n   called a destructor.  If a base class has a "__del__()" method, the\n   derived class\'s "__del__()" method, if any, must explicitly call it\n   to ensure proper deletion of the base class part of the instance.\n   Note that it is possible (though not recommended!) for the\n   "__del__()" method to postpone destruction of the instance by\n   creating a new reference to it.  It may then be called at a later\n   time when this new reference is deleted.  It is not guaranteed that\n   "__del__()" methods are called for objects that still exist when\n   the interpreter exits.\n\n   Note: "del x" doesn\'t directly call "x.__del__()" --- the former\n     decrements the reference count for "x" by one, and the latter is\n     only called when "x"\'s reference count reaches zero.  Some common\n     situations that may prevent the reference count of an object from\n     going to zero include: circular references between objects (e.g.,\n     a doubly-linked list or a tree data structure with parent and\n     child pointers); a reference to the object on the stack frame of\n     a function that caught an exception (the traceback stored in\n     "sys.exc_info()[2]" keeps the stack frame alive); or a reference\n     to the object on the stack frame that raised an unhandled\n     exception in interactive mode (the traceback stored in\n     "sys.last_traceback" keeps the stack frame alive).  The first\n     situation can only be remedied by explicitly breaking the cycles;\n     the second can be resolved by freeing the reference to the\n     traceback object when it is no longer useful, and the third can\n     be resolved by storing "None" in "sys.last_traceback". Circular\n     references which are garbage are detected and cleaned up when the\n     cyclic garbage collector is enabled (it\'s on by default). Refer\n     to the documentation for the "gc" module for more information\n     about this topic.\n\n   Warning: Due to the precarious circumstances under which\n     "__del__()" methods are invoked, exceptions that occur during\n     their execution are ignored, and a warning is printed to\n     "sys.stderr" instead. Also, when "__del__()" is invoked in\n     response to a module being deleted (e.g., when execution of the\n     program is done), other globals referenced by the "__del__()"\n     method may already have been deleted or in the process of being\n     torn down (e.g. the import machinery shutting down).  For this\n     reason, "__del__()" methods should do the absolute minimum needed\n     to maintain external invariants.  Starting with version 1.5,\n     Python guarantees that globals whose name begins with a single\n     underscore are deleted from their module before other globals are\n     deleted; if no other references to such globals exist, this may\n     help in assuring that imported modules are still available at the\n     time when the "__del__()" method is called.\n\nobject.__repr__(self)\n\n   Called by the "repr()" built-in function to compute the "official"\n   string representation of an object.  If at all possible, this\n   should look like a valid Python expression that could be used to\n   recreate an object with the same value (given an appropriate\n   environment).  If this is not possible, a string of the form\n   "<...some useful description...>" should be returned. The return\n   value must be a string object. If a class defines "__repr__()" but\n   not "__str__()", then "__repr__()" is also used when an "informal"\n   string representation of instances of that class is required.\n\n   This is typically used for debugging, so it is important that the\n   representation is information-rich and unambiguous.\n\nobject.__str__(self)\n\n   Called by "str(object)" and the built-in functions "format()" and\n   "print()" to compute the "informal" or nicely printable string\n   representation of an object.  The return value must be a *string*\n   object.\n\n   This method differs from "object.__repr__()" in that there is no\n   expectation that "__str__()" return a valid Python expression: a\n   more convenient or concise representation can be used.\n\n   The default implementation defined by the built-in type "object"\n   calls "object.__repr__()".\n\nobject.__bytes__(self)\n\n   Called by "bytes()" to compute a byte-string representation of an\n   object. This should return a "bytes" object.\n\nobject.__format__(self, format_spec)\n\n   Called by the "format()" built-in function (and by extension, the\n   "str.format()" method of class "str") to produce a "formatted"\n   string representation of an object. The "format_spec" argument is a\n   string that contains a description of the formatting options\n   desired. The interpretation of the "format_spec" argument is up to\n   the type implementing "__format__()", however most classes will\n   either delegate formatting to one of the built-in types, or use a\n   similar formatting option syntax.\n\n   See *Format Specification Mini-Language* for a description of the\n   standard formatting syntax.\n\n   The return value must be a string object.\n\n   Changed in version 3.4: The __format__ method of "object" itself\n   raises a "TypeError" if passed any non-empty string.\n\nobject.__lt__(self, other)\nobject.__le__(self, other)\nobject.__eq__(self, other)\nobject.__ne__(self, other)\nobject.__gt__(self, other)\nobject.__ge__(self, other)\n\n   These are the so-called "rich comparison" methods. The\n   correspondence between operator symbols and method names is as\n   follows: "x<y" calls "x.__lt__(y)", "x<=y" calls "x.__le__(y)",\n   "x==y" calls "x.__eq__(y)", "x!=y" calls "x.__ne__(y)", "x>y" calls\n   "x.__gt__(y)", and "x>=y" calls "x.__ge__(y)".\n\n   A rich comparison method may return the singleton "NotImplemented"\n   if it does not implement the operation for a given pair of\n   arguments. By convention, "False" and "True" are returned for a\n   successful comparison. However, these methods can return any value,\n   so if the comparison operator is used in a Boolean context (e.g.,\n   in the condition of an "if" statement), Python will call "bool()"\n   on the value to determine if the result is true or false.\n\n   There are no implied relationships among the comparison operators.\n   The truth of "x==y" does not imply that "x!=y" is false.\n   Accordingly, when defining "__eq__()", one should also define\n   "__ne__()" so that the operators will behave as expected.  See the\n   paragraph on "__hash__()" for some important notes on creating\n   *hashable* objects which support custom comparison operations and\n   are usable as dictionary keys.\n\n   There are no swapped-argument versions of these methods (to be used\n   when the left argument does not support the operation but the right\n   argument does); rather, "__lt__()" and "__gt__()" are each other\'s\n   reflection, "__le__()" and "__ge__()" are each other\'s reflection,\n   and "__eq__()" and "__ne__()" are their own reflection.\n\n   Arguments to rich comparison methods are never coerced.\n\n   To automatically generate ordering operations from a single root\n   operation, see "functools.total_ordering()".\n\nobject.__hash__(self)\n\n   Called by built-in function "hash()" and for operations on members\n   of hashed collections including "set", "frozenset", and "dict".\n   "__hash__()" should return an integer.  The only required property\n   is that objects which compare equal have the same hash value; it is\n   advised to somehow mix together (e.g. using exclusive or) the hash\n   values for the components of the object that also play a part in\n   comparison of objects.\n\n   Note: "hash()" truncates the value returned from an object\'s\n     custom "__hash__()" method to the size of a "Py_ssize_t".  This\n     is typically 8 bytes on 64-bit builds and 4 bytes on 32-bit\n     builds. If an object\'s   "__hash__()" must interoperate on builds\n     of different bit sizes, be sure to check the width on all\n     supported builds.  An easy way to do this is with "python -c\n     "import sys; print(sys.hash_info.width)""\n\n   If a class does not define an "__eq__()" method it should not\n   define a "__hash__()" operation either; if it defines "__eq__()"\n   but not "__hash__()", its instances will not be usable as items in\n   hashable collections.  If a class defines mutable objects and\n   implements an "__eq__()" method, it should not implement\n   "__hash__()", since the implementation of hashable collections\n   requires that a key\'s hash value is immutable (if the object\'s hash\n   value changes, it will be in the wrong hash bucket).\n\n   User-defined classes have "__eq__()" and "__hash__()" methods by\n   default; with them, all objects compare unequal (except with\n   themselves) and "x.__hash__()" returns an appropriate value such\n   that "x == y" implies both that "x is y" and "hash(x) == hash(y)".\n\n   A class that overrides "__eq__()" and does not define "__hash__()"\n   will have its "__hash__()" implicitly set to "None".  When the\n   "__hash__()" method of a class is "None", instances of the class\n   will raise an appropriate "TypeError" when a program attempts to\n   retrieve their hash value, and will also be correctly identified as\n   unhashable when checking "isinstance(obj, collections.Hashable").\n\n   If a class that overrides "__eq__()" needs to retain the\n   implementation of "__hash__()" from a parent class, the interpreter\n   must be told this explicitly by setting "__hash__ =\n   <ParentClass>.__hash__".\n\n   If a class that does not override "__eq__()" wishes to suppress\n   hash support, it should include "__hash__ = None" in the class\n   definition. A class which defines its own "__hash__()" that\n   explicitly raises a "TypeError" would be incorrectly identified as\n   hashable by an "isinstance(obj, collections.Hashable)" call.\n\n   Note: By default, the "__hash__()" values of str, bytes and\n     datetime objects are "salted" with an unpredictable random value.\n     Although they remain constant within an individual Python\n     process, they are not predictable between repeated invocations of\n     Python.This is intended to provide protection against a denial-\n     of-service caused by carefully-chosen inputs that exploit the\n     worst case performance of a dict insertion, O(n^2) complexity.\n     See http://www.ocert.org/advisories/ocert-2011-003.html for\n     details.Changing hash values affects the iteration order of\n     dicts, sets and other mappings.  Python has never made guarantees\n     about this ordering (and it typically varies between 32-bit and\n     64-bit builds).See also "PYTHONHASHSEED".\n\n   Changed in version 3.3: Hash randomization is enabled by default.\n\nobject.__bool__(self)\n\n   Called to implement truth value testing and the built-in operation\n   "bool()"; should return "False" or "True".  When this method is not\n   defined, "__len__()" is called, if it is defined, and the object is\n   considered true if its result is nonzero.  If a class defines\n   neither "__len__()" nor "__bool__()", all its instances are\n   considered true.\n\n\nCustomizing attribute access\n============================\n\nThe following methods can be defined to customize the meaning of\nattribute access (use of, assignment to, or deletion of "x.name") for\nclass instances.\n\nobject.__getattr__(self, name)\n\n   Called when an attribute lookup has not found the attribute in the\n   usual places (i.e. it is not an instance attribute nor is it found\n   in the class tree for "self").  "name" is the attribute name. This\n   method should return the (computed) attribute value or raise an\n   "AttributeError" exception.\n\n   Note that if the attribute is found through the normal mechanism,\n   "__getattr__()" is not called.  (This is an intentional asymmetry\n   between "__getattr__()" and "__setattr__()".) This is done both for\n   efficiency reasons and because otherwise "__getattr__()" would have\n   no way to access other attributes of the instance.  Note that at\n   least for instance variables, you can fake total control by not\n   inserting any values in the instance attribute dictionary (but\n   instead inserting them in another object).  See the\n   "__getattribute__()" method below for a way to actually get total\n   control over attribute access.\n\nobject.__getattribute__(self, name)\n\n   Called unconditionally to implement attribute accesses for\n   instances of the class. If the class also defines "__getattr__()",\n   the latter will not be called unless "__getattribute__()" either\n   calls it explicitly or raises an "AttributeError". This method\n   should return the (computed) attribute value or raise an\n   "AttributeError" exception. In order to avoid infinite recursion in\n   this method, its implementation should always call the base class\n   method with the same name to access any attributes it needs, for\n   example, "object.__getattribute__(self, name)".\n\n   Note: This method may still be bypassed when looking up special\n     methods as the result of implicit invocation via language syntax\n     or built-in functions. See *Special method lookup*.\n\nobject.__setattr__(self, name, value)\n\n   Called when an attribute assignment is attempted.  This is called\n   instead of the normal mechanism (i.e. store the value in the\n   instance dictionary). *name* is the attribute name, *value* is the\n   value to be assigned to it.\n\n   If "__setattr__()" wants to assign to an instance attribute, it\n   should call the base class method with the same name, for example,\n   "object.__setattr__(self, name, value)".\n\nobject.__delattr__(self, name)\n\n   Like "__setattr__()" but for attribute deletion instead of\n   assignment.  This should only be implemented if "del obj.name" is\n   meaningful for the object.\n\nobject.__dir__(self)\n\n   Called when "dir()" is called on the object. A sequence must be\n   returned. "dir()" converts the returned sequence to a list and\n   sorts it.\n\n\nImplementing Descriptors\n------------------------\n\nThe following methods only apply when an instance of the class\ncontaining the method (a so-called *descriptor* class) appears in an\n*owner* class (the descriptor must be in either the owner\'s class\ndictionary or in the class dictionary for one of its parents).  In the\nexamples below, "the attribute" refers to the attribute whose name is\nthe key of the property in the owner class\' "__dict__".\n\nobject.__get__(self, instance, owner)\n\n   Called to get the attribute of the owner class (class attribute\n   access) or of an instance of that class (instance attribute\n   access). *owner* is always the owner class, while *instance* is the\n   instance that the attribute was accessed through, or "None" when\n   the attribute is accessed through the *owner*.  This method should\n   return the (computed) attribute value or raise an "AttributeError"\n   exception.\n\nobject.__set__(self, instance, value)\n\n   Called to set the attribute on an instance *instance* of the owner\n   class to a new value, *value*.\n\nobject.__delete__(self, instance)\n\n   Called to delete the attribute on an instance *instance* of the\n   owner class.\n\nThe attribute "__objclass__" is interpreted by the "inspect" module as\nspecifying the class where this object was defined (setting this\nappropriately can assist in runtime introspection of dynamic class\nattributes). For callables, it may indicate that an instance of the\ngiven type (or a subclass) is expected or required as the first\npositional argument (for example, CPython sets this attribute for\nunbound methods that are implemented in C).\n\n\nInvoking Descriptors\n--------------------\n\nIn general, a descriptor is an object attribute with "binding\nbehavior", one whose attribute access has been overridden by methods\nin the descriptor protocol:  "__get__()", "__set__()", and\n"__delete__()". If any of those methods are defined for an object, it\nis said to be a descriptor.\n\nThe default behavior for attribute access is to get, set, or delete\nthe attribute from an object\'s dictionary. For instance, "a.x" has a\nlookup chain starting with "a.__dict__[\'x\']", then\n"type(a).__dict__[\'x\']", and continuing through the base classes of\n"type(a)" excluding metaclasses.\n\nHowever, if the looked-up value is an object defining one of the\ndescriptor methods, then Python may override the default behavior and\ninvoke the descriptor method instead.  Where this occurs in the\nprecedence chain depends on which descriptor methods were defined and\nhow they were called.\n\nThe starting point for descriptor invocation is a binding, "a.x". How\nthe arguments are assembled depends on "a":\n\nDirect Call\n   The simplest and least common call is when user code directly\n   invokes a descriptor method:    "x.__get__(a)".\n\nInstance Binding\n   If binding to an object instance, "a.x" is transformed into the\n   call: "type(a).__dict__[\'x\'].__get__(a, type(a))".\n\nClass Binding\n   If binding to a class, "A.x" is transformed into the call:\n   "A.__dict__[\'x\'].__get__(None, A)".\n\nSuper Binding\n   If "a" is an instance of "super", then the binding "super(B,\n   obj).m()" searches "obj.__class__.__mro__" for the base class "A"\n   immediately preceding "B" and then invokes the descriptor with the\n   call: "A.__dict__[\'m\'].__get__(obj, obj.__class__)".\n\nFor instance bindings, the precedence of descriptor invocation depends\non the which descriptor methods are defined.  A descriptor can define\nany combination of "__get__()", "__set__()" and "__delete__()".  If it\ndoes not define "__get__()", then accessing the attribute will return\nthe descriptor object itself unless there is a value in the object\'s\ninstance dictionary.  If the descriptor defines "__set__()" and/or\n"__delete__()", it is a data descriptor; if it defines neither, it is\na non-data descriptor.  Normally, data descriptors define both\n"__get__()" and "__set__()", while non-data descriptors have just the\n"__get__()" method.  Data descriptors with "__set__()" and "__get__()"\ndefined always override a redefinition in an instance dictionary.  In\ncontrast, non-data descriptors can be overridden by instances.\n\nPython methods (including "staticmethod()" and "classmethod()") are\nimplemented as non-data descriptors.  Accordingly, instances can\nredefine and override methods.  This allows individual instances to\nacquire behaviors that differ from other instances of the same class.\n\nThe "property()" function is implemented as a data descriptor.\nAccordingly, instances cannot override the behavior of a property.\n\n\n__slots__\n---------\n\nBy default, instances of classes have a dictionary for attribute\nstorage.  This wastes space for objects having very few instance\nvariables.  The space consumption can become acute when creating large\nnumbers of instances.\n\nThe default can be overridden by defining *__slots__* in a class\ndefinition. The *__slots__* declaration takes a sequence of instance\nvariables and reserves just enough space in each instance to hold a\nvalue for each variable.  Space is saved because *__dict__* is not\ncreated for each instance.\n\nobject.__slots__\n\n   This class variable can be assigned a string, iterable, or sequence\n   of strings with variable names used by instances.  *__slots__*\n   reserves space for the declared variables and prevents the\n   automatic creation of *__dict__* and *__weakref__* for each\n   instance.\n\n\nNotes on using *__slots__*\n~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n* When inheriting from a class without *__slots__*, the *__dict__*\n  attribute of that class will always be accessible, so a *__slots__*\n  definition in the subclass is meaningless.\n\n* Without a *__dict__* variable, instances cannot be assigned new\n  variables not listed in the *__slots__* definition.  Attempts to\n  assign to an unlisted variable name raises "AttributeError". If\n  dynamic assignment of new variables is desired, then add\n  "\'__dict__\'" to the sequence of strings in the *__slots__*\n  declaration.\n\n* Without a *__weakref__* variable for each instance, classes\n  defining *__slots__* do not support weak references to its\n  instances. If weak reference support is needed, then add\n  "\'__weakref__\'" to the sequence of strings in the *__slots__*\n  declaration.\n\n* *__slots__* are implemented at the class level by creating\n  descriptors (*Implementing Descriptors*) for each variable name.  As\n  a result, class attributes cannot be used to set default values for\n  instance variables defined by *__slots__*; otherwise, the class\n  attribute would overwrite the descriptor assignment.\n\n* The action of a *__slots__* declaration is limited to the class\n  where it is defined.  As a result, subclasses will have a *__dict__*\n  unless they also define *__slots__* (which must only contain names\n  of any *additional* slots).\n\n* If a class defines a slot also defined in a base class, the\n  instance variable defined by the base class slot is inaccessible\n  (except by retrieving its descriptor directly from the base class).\n  This renders the meaning of the program undefined.  In the future, a\n  check may be added to prevent this.\n\n* Nonempty *__slots__* does not work for classes derived from\n  "variable-length" built-in types such as "int", "bytes" and "tuple".\n\n* Any non-string iterable may be assigned to *__slots__*. Mappings\n  may also be used; however, in the future, special meaning may be\n  assigned to the values corresponding to each key.\n\n* *__class__* assignment works only if both classes have the same\n  *__slots__*.\n\n\nCustomizing class creation\n==========================\n\nBy default, classes are constructed using "type()". The class body is\nexecuted in a new namespace and the class name is bound locally to the\nresult of "type(name, bases, namespace)".\n\nThe class creation process can be customised by passing the\n"metaclass" keyword argument in the class definition line, or by\ninheriting from an existing class that included such an argument. In\nthe following example, both "MyClass" and "MySubclass" are instances\nof "Meta":\n\n   class Meta(type):\n       pass\n\n   class MyClass(metaclass=Meta):\n       pass\n\n   class MySubclass(MyClass):\n       pass\n\nAny other keyword arguments that are specified in the class definition\nare passed through to all metaclass operations described below.\n\nWhen a class definition is executed, the following steps occur:\n\n* the appropriate metaclass is determined\n\n* the class namespace is prepared\n\n* the class body is executed\n\n* the class object is created\n\n\nDetermining the appropriate metaclass\n-------------------------------------\n\nThe appropriate metaclass for a class definition is determined as\nfollows:\n\n* if no bases and no explicit metaclass are given, then "type()" is\n  used\n\n* if an explicit metaclass is given and it is *not* an instance of\n  "type()", then it is used directly as the metaclass\n\n* if an instance of "type()" is given as the explicit metaclass, or\n  bases are defined, then the most derived metaclass is used\n\nThe most derived metaclass is selected from the explicitly specified\nmetaclass (if any) and the metaclasses (i.e. "type(cls)") of all\nspecified base classes. The most derived metaclass is one which is a\nsubtype of *all* of these candidate metaclasses. If none of the\ncandidate metaclasses meets that criterion, then the class definition\nwill fail with "TypeError".\n\n\nPreparing the class namespace\n-----------------------------\n\nOnce the appropriate metaclass has been identified, then the class\nnamespace is prepared. If the metaclass has a "__prepare__" attribute,\nit is called as "namespace = metaclass.__prepare__(name, bases,\n**kwds)" (where the additional keyword arguments, if any, come from\nthe class definition).\n\nIf the metaclass has no "__prepare__" attribute, then the class\nnamespace is initialised as an empty "dict()" instance.\n\nSee also: **PEP 3115** - Metaclasses in Python 3000\n\n     Introduced the "__prepare__" namespace hook\n\n\nExecuting the class body\n------------------------\n\nThe class body is executed (approximately) as "exec(body, globals(),\nnamespace)". The key difference from a normal call to "exec()" is that\nlexical scoping allows the class body (including any methods) to\nreference names from the current and outer scopes when the class\ndefinition occurs inside a function.\n\nHowever, even when the class definition occurs inside the function,\nmethods defined inside the class still cannot see names defined at the\nclass scope. Class variables must be accessed through the first\nparameter of instance or class methods, and cannot be accessed at all\nfrom static methods.\n\n\nCreating the class object\n-------------------------\n\nOnce the class namespace has been populated by executing the class\nbody, the class object is created by calling "metaclass(name, bases,\nnamespace, **kwds)" (the additional keywords passed here are the same\nas those passed to "__prepare__").\n\nThis class object is the one that will be referenced by the zero-\nargument form of "super()". "__class__" is an implicit closure\nreference created by the compiler if any methods in a class body refer\nto either "__class__" or "super". This allows the zero argument form\nof "super()" to correctly identify the class being defined based on\nlexical scoping, while the class or instance that was used to make the\ncurrent call is identified based on the first argument passed to the\nmethod.\n\nAfter the class object is created, it is passed to the class\ndecorators included in the class definition (if any) and the resulting\nobject is bound in the local namespace as the defined class.\n\nSee also: **PEP 3135** - New super\n\n     Describes the implicit "__class__" closure reference\n\n\nMetaclass example\n-----------------\n\nThe potential uses for metaclasses are boundless. Some ideas that have\nbeen explored include logging, interface checking, automatic\ndelegation, automatic property creation, proxies, frameworks, and\nautomatic resource locking/synchronization.\n\nHere is an example of a metaclass that uses an\n"collections.OrderedDict" to remember the order that class variables\nare defined:\n\n   class OrderedClass(type):\n\n        @classmethod\n        def __prepare__(metacls, name, bases, **kwds):\n           return collections.OrderedDict()\n\n        def __new__(cls, name, bases, namespace, **kwds):\n           result = type.__new__(cls, name, bases, dict(namespace))\n           result.members = tuple(namespace)\n           return result\n\n   class A(metaclass=OrderedClass):\n       def one(self): pass\n       def two(self): pass\n       def three(self): pass\n       def four(self): pass\n\n   >>> A.members\n   (\'__module__\', \'one\', \'two\', \'three\', \'four\')\n\nWhen the class definition for *A* gets executed, the process begins\nwith calling the metaclass\'s "__prepare__()" method which returns an\nempty "collections.OrderedDict".  That mapping records the methods and\nattributes of *A* as they are defined within the body of the class\nstatement. Once those definitions are executed, the ordered dictionary\nis fully populated and the metaclass\'s "__new__()" method gets\ninvoked.  That method builds the new type and it saves the ordered\ndictionary keys in an attribute called "members".\n\n\nCustomizing instance and subclass checks\n========================================\n\nThe following methods are used to override the default behavior of the\n"isinstance()" and "issubclass()" built-in functions.\n\nIn particular, the metaclass "abc.ABCMeta" implements these methods in\norder to allow the addition of Abstract Base Classes (ABCs) as\n"virtual base classes" to any class or type (including built-in\ntypes), including other ABCs.\n\nclass.__instancecheck__(self, instance)\n\n   Return true if *instance* should be considered a (direct or\n   indirect) instance of *class*. If defined, called to implement\n   "isinstance(instance, class)".\n\nclass.__subclasscheck__(self, subclass)\n\n   Return true if *subclass* should be considered a (direct or\n   indirect) subclass of *class*.  If defined, called to implement\n   "issubclass(subclass, class)".\n\nNote that these methods are looked up on the type (metaclass) of a\nclass.  They cannot be defined as class methods in the actual class.\nThis is consistent with the lookup of special methods that are called\non instances, only in this case the instance is itself a class.\n\nSee also: **PEP 3119** - Introducing Abstract Base Classes\n\n     Includes the specification for customizing "isinstance()" and\n     "issubclass()" behavior through "__instancecheck__()" and\n     "__subclasscheck__()", with motivation for this functionality in\n     the context of adding Abstract Base Classes (see the "abc"\n     module) to the language.\n\n\nEmulating callable objects\n==========================\n\nobject.__call__(self[, args...])\n\n   Called when the instance is "called" as a function; if this method\n   is defined, "x(arg1, arg2, ...)" is a shorthand for\n   "x.__call__(arg1, arg2, ...)".\n\n\nEmulating container types\n=========================\n\nThe following methods can be defined to implement container objects.\nContainers usually are sequences (such as lists or tuples) or mappings\n(like dictionaries), but can represent other containers as well.  The\nfirst set of methods is used either to emulate a sequence or to\nemulate a mapping; the difference is that for a sequence, the\nallowable keys should be the integers *k* for which "0 <= k < N" where\n*N* is the length of the sequence, or slice objects, which define a\nrange of items.  It is also recommended that mappings provide the\nmethods "keys()", "values()", "items()", "get()", "clear()",\n"setdefault()", "pop()", "popitem()", "copy()", and "update()"\nbehaving similar to those for Python\'s standard dictionary objects.\nThe "collections" module provides a "MutableMapping" abstract base\nclass to help create those methods from a base set of "__getitem__()",\n"__setitem__()", "__delitem__()", and "keys()". Mutable sequences\nshould provide methods "append()", "count()", "index()", "extend()",\n"insert()", "pop()", "remove()", "reverse()" and "sort()", like Python\nstandard list objects.  Finally, sequence types should implement\naddition (meaning concatenation) and multiplication (meaning\nrepetition) by defining the methods "__add__()", "__radd__()",\n"__iadd__()", "__mul__()", "__rmul__()" and "__imul__()" described\nbelow; they should not define other numerical operators.  It is\nrecommended that both mappings and sequences implement the\n"__contains__()" method to allow efficient use of the "in" operator;\nfor mappings, "in" should search the mapping\'s keys; for sequences, it\nshould search through the values.  It is further recommended that both\nmappings and sequences implement the "__iter__()" method to allow\nefficient iteration through the container; for mappings, "__iter__()"\nshould be the same as "keys()"; for sequences, it should iterate\nthrough the values.\n\nobject.__len__(self)\n\n   Called to implement the built-in function "len()".  Should return\n   the length of the object, an integer ">=" 0.  Also, an object that\n   doesn\'t define a "__bool__()" method and whose "__len__()" method\n   returns zero is considered to be false in a Boolean context.\n\nobject.__length_hint__(self)\n\n   Called to implement "operator.length_hint()". Should return an\n   estimated length for the object (which may be greater or less than\n   the actual length). The length must be an integer ">=" 0. This\n   method is purely an optimization and is never required for\n   correctness.\n\n   New in version 3.4.\n\nNote: Slicing is done exclusively with the following three methods.\n  A call like\n\n     a[1:2] = b\n\n  is translated to\n\n     a[slice(1, 2, None)] = b\n\n  and so forth.  Missing slice items are always filled in with "None".\n\nobject.__getitem__(self, key)\n\n   Called to implement evaluation of "self[key]". For sequence types,\n   the accepted keys should be integers and slice objects.  Note that\n   the special interpretation of negative indexes (if the class wishes\n   to emulate a sequence type) is up to the "__getitem__()" method. If\n   *key* is of an inappropriate type, "TypeError" may be raised; if of\n   a value outside the set of indexes for the sequence (after any\n   special interpretation of negative values), "IndexError" should be\n   raised. For mapping types, if *key* is missing (not in the\n   container), "KeyError" should be raised.\n\n   Note: "for" loops expect that an "IndexError" will be raised for\n     illegal indexes to allow proper detection of the end of the\n     sequence.\n\nobject.__missing__(self, key)\n\n   Called by "dict"."__getitem__()" to implement "self[key]" for dict\n   subclasses when key is not in the dictionary.\n\nobject.__setitem__(self, key, value)\n\n   Called to implement assignment to "self[key]".  Same note as for\n   "__getitem__()".  This should only be implemented for mappings if\n   the objects support changes to the values for keys, or if new keys\n   can be added, or for sequences if elements can be replaced.  The\n   same exceptions should be raised for improper *key* values as for\n   the "__getitem__()" method.\n\nobject.__delitem__(self, key)\n\n   Called to implement deletion of "self[key]".  Same note as for\n   "__getitem__()".  This should only be implemented for mappings if\n   the objects support removal of keys, or for sequences if elements\n   can be removed from the sequence.  The same exceptions should be\n   raised for improper *key* values as for the "__getitem__()" method.\n\nobject.__iter__(self)\n\n   This method is called when an iterator is required for a container.\n   This method should return a new iterator object that can iterate\n   over all the objects in the container.  For mappings, it should\n   iterate over the keys of the container.\n\n   Iterator objects also need to implement this method; they are\n   required to return themselves.  For more information on iterator\n   objects, see *Iterator Types*.\n\nobject.__reversed__(self)\n\n   Called (if present) by the "reversed()" built-in to implement\n   reverse iteration.  It should return a new iterator object that\n   iterates over all the objects in the container in reverse order.\n\n   If the "__reversed__()" method is not provided, the "reversed()"\n   built-in will fall back to using the sequence protocol ("__len__()"\n   and "__getitem__()").  Objects that support the sequence protocol\n   should only provide "__reversed__()" if they can provide an\n   implementation that is more efficient than the one provided by\n   "reversed()".\n\nThe membership test operators ("in" and "not in") are normally\nimplemented as an iteration through a sequence.  However, container\nobjects can supply the following special method with a more efficient\nimplementation, which also does not require the object be a sequence.\n\nobject.__contains__(self, item)\n\n   Called to implement membership test operators.  Should return true\n   if *item* is in *self*, false otherwise.  For mapping objects, this\n   should consider the keys of the mapping rather than the values or\n   the key-item pairs.\n\n   For objects that don\'t define "__contains__()", the membership test\n   first tries iteration via "__iter__()", then the old sequence\n   iteration protocol via "__getitem__()", see *this section in the\n   language reference*.\n\n\nEmulating numeric types\n=======================\n\nThe following methods can be defined to emulate numeric objects.\nMethods corresponding to operations that are not supported by the\nparticular kind of number implemented (e.g., bitwise operations for\nnon-integral numbers) should be left undefined.\n\nobject.__add__(self, other)\nobject.__sub__(self, other)\nobject.__mul__(self, other)\nobject.__matmul__(self, other)\nobject.__truediv__(self, other)\nobject.__floordiv__(self, other)\nobject.__mod__(self, other)\nobject.__divmod__(self, other)\nobject.__pow__(self, other[, modulo])\nobject.__lshift__(self, other)\nobject.__rshift__(self, other)\nobject.__and__(self, other)\nobject.__xor__(self, other)\nobject.__or__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "@", "/", "//", "%", "divmod()",\n   "pow()", "**", "<<", ">>", "&", "^", "|").  For instance, to\n   evaluate the expression "x + y", where *x* is an instance of a\n   class that has an "__add__()" method, "x.__add__(y)" is called.\n   The "__divmod__()" method should be the equivalent to using\n   "__floordiv__()" and "__mod__()"; it should not be related to\n   "__truediv__()".  Note that "__pow__()" should be defined to accept\n   an optional third argument if the ternary version of the built-in\n   "pow()" function is to be supported.\n\n   If one of those methods does not support the operation with the\n   supplied arguments, it should return "NotImplemented".\n\nobject.__radd__(self, other)\nobject.__rsub__(self, other)\nobject.__rmul__(self, other)\nobject.__rmatmul__(self, other)\nobject.__rtruediv__(self, other)\nobject.__rfloordiv__(self, other)\nobject.__rmod__(self, other)\nobject.__rdivmod__(self, other)\nobject.__rpow__(self, other)\nobject.__rlshift__(self, other)\nobject.__rrshift__(self, other)\nobject.__rand__(self, other)\nobject.__rxor__(self, other)\nobject.__ror__(self, other)\n\n   These methods are called to implement the binary arithmetic\n   operations ("+", "-", "*", "@", "/", "//", "%", "divmod()",\n   "pow()", "**", "<<", ">>", "&", "^", "|") with reflected (swapped)\n   operands.  These functions are only called if the left operand does\n   not support the corresponding operation and the operands are of\n   different types. [2] For instance, to evaluate the expression "x -\n   y", where *y* is an instance of a class that has an "__rsub__()"\n   method, "y.__rsub__(x)" is called if "x.__sub__(y)" returns\n   *NotImplemented*.\n\n   Note that ternary "pow()" will not try calling "__rpow__()" (the\n   coercion rules would become too complicated).\n\n   Note: If the right operand\'s type is a subclass of the left\n     operand\'s type and that subclass provides the reflected method\n     for the operation, this method will be called before the left\n     operand\'s non-reflected method.  This behavior allows subclasses\n     to override their ancestors\' operations.\n\nobject.__iadd__(self, other)\nobject.__isub__(self, other)\nobject.__imul__(self, other)\nobject.__imatmul__(self, other)\nobject.__itruediv__(self, other)\nobject.__ifloordiv__(self, other)\nobject.__imod__(self, other)\nobject.__ipow__(self, other[, modulo])\nobject.__ilshift__(self, other)\nobject.__irshift__(self, other)\nobject.__iand__(self, other)\nobject.__ixor__(self, other)\nobject.__ior__(self, other)\n\n   These methods are called to implement the augmented arithmetic\n   assignments ("+=", "-=", "*=", "@=", "/=", "//=", "%=", "**=",\n   "<<=", ">>=", "&=", "^=", "|=").  These methods should attempt to\n   do the operation in-place (modifying *self*) and return the result\n   (which could be, but does not have to be, *self*).  If a specific\n   method is not defined, the augmented assignment falls back to the\n   normal methods.  For instance, if *x* is an instance of a class\n   with an "__iadd__()" method, "x += y" is equivalent to "x =\n   x.__iadd__(y)" . Otherwise, "x.__add__(y)" and "y.__radd__(x)" are\n   considered, as with the evaluation of "x + y". In certain\n   situations, augmented assignment can result in unexpected errors\n   (see *Why does a_tuple[i] += [\'item\'] raise an exception when the\n   addition works?*), but this behavior is in fact part of the data\n   model.\n\nobject.__neg__(self)\nobject.__pos__(self)\nobject.__abs__(self)\nobject.__invert__(self)\n\n   Called to implement the unary arithmetic operations ("-", "+",\n   "abs()" and "~").\n\nobject.__complex__(self)\nobject.__int__(self)\nobject.__float__(self)\nobject.__round__(self[, n])\n\n   Called to implement the built-in functions "complex()", "int()",\n   "float()" and "round()".  Should return a value of the appropriate\n   type.\n\nobject.__index__(self)\n\n   Called to implement "operator.index()", and whenever Python needs\n   to losslessly convert the numeric object to an integer object (such\n   as in slicing, or in the built-in "bin()", "hex()" and "oct()"\n   functions). Presence of this method indicates that the numeric\n   object is an integer type.  Must return an integer.\n\n   Note: In order to have a coherent integer type class, when\n     "__index__()" is defined "__int__()" should also be defined, and\n     both should return the same value.\n\n\nWith Statement Context Managers\n===============================\n\nA *context manager* is an object that defines the runtime context to\nbe established when executing a "with" statement. The context manager\nhandles the entry into, and the exit from, the desired runtime context\nfor the execution of the block of code.  Context managers are normally\ninvoked using the "with" statement (described in section *The with\nstatement*), but can also be used by directly invoking their methods.\n\nTypical uses of context managers include saving and restoring various\nkinds of global state, locking and unlocking resources, closing opened\nfiles, etc.\n\nFor more information on context managers, see *Context Manager Types*.\n\nobject.__enter__(self)\n\n   Enter the runtime context related to this object. The "with"\n   statement will bind this method\'s return value to the target(s)\n   specified in the "as" clause of the statement, if any.\n\nobject.__exit__(self, exc_type, exc_value, traceback)\n\n   Exit the runtime context related to this object. The parameters\n   describe the exception that caused the context to be exited. If the\n   context was exited without an exception, all three arguments will\n   be "None".\n\n   If an exception is supplied, and the method wishes to suppress the\n   exception (i.e., prevent it from being propagated), it should\n   return a true value. Otherwise, the exception will be processed\n   normally upon exit from this method.\n\n   Note that "__exit__()" methods should not reraise the passed-in\n   exception; this is the caller\'s responsibility.\n\nSee also: **PEP 0343** - The "with" statement\n\n     The specification, background, and examples for the Python "with"\n     statement.\n\n\nSpecial method lookup\n=====================\n\nFor custom classes, implicit invocations of special methods are only\nguaranteed to work correctly if defined on an object\'s type, not in\nthe object\'s instance dictionary.  That behaviour is the reason why\nthe following code raises an exception:\n\n   >>> class C:\n   ...     pass\n   ...\n   >>> c = C()\n   >>> c.__len__ = lambda: 5\n   >>> len(c)\n   Traceback (most recent call last):\n     File "<stdin>", line 1, in <module>\n   TypeError: object of type \'C\' has no len()\n\nThe rationale behind this behaviour lies with a number of special\nmethods such as "__hash__()" and "__repr__()" that are implemented by\nall objects, including type objects. If the implicit lookup of these\nmethods used the conventional lookup process, they would fail when\ninvoked on the type object itself:\n\n   >>> 1 .__hash__() == hash(1)\n   True\n   >>> int.__hash__() == hash(int)\n   Traceback (most recent call last):\n     File "<stdin>", line 1, in <module>\n   TypeError: descriptor \'__hash__\' of \'int\' object needs an argument\n\nIncorrectly attempting to invoke an unbound method of a class in this\nway is sometimes referred to as \'metaclass confusion\', and is avoided\nby bypassing the instance when looking up special methods:\n\n   >>> type(1).__hash__(1) == hash(1)\n   True\n   >>> type(int).__hash__(int) == hash(int)\n   True\n\nIn addition to bypassing any instance attributes in the interest of\ncorrectness, implicit special method lookup generally also bypasses\nthe "__getattribute__()" method even of the object\'s metaclass:\n\n   >>> class Meta(type):\n   ...     def __getattribute__(*args):\n   ...         print("Metaclass getattribute invoked")\n   ...         return type.__getattribute__(*args)\n   ...\n   >>> class C(object, metaclass=Meta):\n   ...     def __len__(self):\n   ...         return 10\n   ...     def __getattribute__(*args):\n   ...         print("Class getattribute invoked")\n   ...         return object.__getattribute__(*args)\n   ...\n   >>> c = C()\n   >>> c.__len__()                 # Explicit lookup via instance\n   Class getattribute invoked\n   10\n   >>> type(c).__len__(c)          # Explicit lookup via type\n   Metaclass getattribute invoked\n   10\n   >>> len(c)                      # Implicit lookup\n   10\n\nBypassing the "__getattribute__()" machinery in this fashion provides\nsignificant scope for speed optimisations within the interpreter, at\nthe cost of some flexibility in the handling of special methods (the\nspecial method *must* be set on the class object itself in order to be\nconsistently invoked by the interpreter).\n\n-[ Footnotes ]-\n\n[1] It *is* possible in some cases to change an object\'s type,\n    under certain controlled conditions. It generally isn\'t a good\n    idea though, since it can lead to some very strange behaviour if\n    it is handled incorrectly.\n\n[2] For operands of the same type, it is assumed that if the non-\n    reflected method (such as "__add__()") fails the operation is not\n    supported, which is why the reflected method is not called.\n',
+ 'string-methods': u'\nString Methods\n**************\n\nStrings implement all of the *common* sequence operations, along with\nthe additional methods described below.\n\nStrings also support two styles of string formatting, one providing a\nlarge degree of flexibility and customization (see "str.format()",\n*Format String Syntax* and *String Formatting*) and the other based on\nC "printf" style formatting that handles a narrower range of types and\nis slightly harder to use correctly, but is often faster for the cases\nit can handle (*printf-style String Formatting*).\n\nThe *Text Processing Services* section of the standard library covers\na number of other modules that provide various text related utilities\n(including regular expression support in the "re" module).\n\nstr.capitalize()\n\n   Return a copy of the string with its first character capitalized\n   and the rest lowercased.\n\nstr.casefold()\n\n   Return a casefolded copy of the string. Casefolded strings may be\n   used for caseless matching.\n\n   Casefolding is similar to lowercasing but more aggressive because\n   it is intended to remove all case distinctions in a string. For\n   example, the German lowercase letter "\'\xdf\'" is equivalent to ""ss"".\n   Since it is already lowercase, "lower()" would do nothing to "\'\xdf\'";\n   "casefold()" converts it to ""ss"".\n\n   The casefolding algorithm is described in section 3.13 of the\n   Unicode Standard.\n\n   New in version 3.3.\n\nstr.center(width[, fillchar])\n\n   Return centered in a string of length *width*. Padding is done\n   using the specified *fillchar* (default is an ASCII space). The\n   original string is returned if *width* is less than or equal to\n   "len(s)".\n\nstr.count(sub[, start[, end]])\n\n   Return the number of non-overlapping occurrences of substring *sub*\n   in the range [*start*, *end*].  Optional arguments *start* and\n   *end* are interpreted as in slice notation.\n\nstr.encode(encoding="utf-8", errors="strict")\n\n   Return an encoded version of the string as a bytes object. Default\n   encoding is "\'utf-8\'". *errors* may be given to set a different\n   error handling scheme. The default for *errors* is "\'strict\'",\n   meaning that encoding errors raise a "UnicodeError". Other possible\n   values are "\'ignore\'", "\'replace\'", "\'xmlcharrefreplace\'",\n   "\'backslashreplace\'" and any other name registered via\n   "codecs.register_error()", see section *Error Handlers*. For a list\n   of possible encodings, see section *Standard Encodings*.\n\n   Changed in version 3.1: Support for keyword arguments added.\n\nstr.endswith(suffix[, start[, end]])\n\n   Return "True" if the string ends with the specified *suffix*,\n   otherwise return "False".  *suffix* can also be a tuple of suffixes\n   to look for.  With optional *start*, test beginning at that\n   position.  With optional *end*, stop comparing at that position.\n\nstr.expandtabs(tabsize=8)\n\n   Return a copy of the string where all tab characters are replaced\n   by one or more spaces, depending on the current column and the\n   given tab size.  Tab positions occur every *tabsize* characters\n   (default is 8, giving tab positions at columns 0, 8, 16 and so on).\n   To expand the string, the current column is set to zero and the\n   string is examined character by character.  If the character is a\n   tab ("\\t"), one or more space characters are inserted in the result\n   until the current column is equal to the next tab position. (The\n   tab character itself is not copied.)  If the character is a newline\n   ("\\n") or return ("\\r"), it is copied and the current column is\n   reset to zero.  Any other character is copied unchanged and the\n   current column is incremented by one regardless of how the\n   character is represented when printed.\n\n   >>> \'01\\t012\\t0123\\t01234\'.expandtabs()\n   \'01      012     0123    01234\'\n   >>> \'01\\t012\\t0123\\t01234\'.expandtabs(4)\n   \'01  012 0123    01234\'\n\nstr.find(sub[, start[, end]])\n\n   Return the lowest index in the string where substring *sub* is\n   found, such that *sub* is contained in the slice "s[start:end]".\n   Optional arguments *start* and *end* are interpreted as in slice\n   notation.  Return "-1" if *sub* is not found.\n\n   Note: The "find()" method should be used only if you need to know\n     the position of *sub*.  To check if *sub* is a substring or not,\n     use the "in" operator:\n\n        >>> \'Py\' in \'Python\'\n        True\n\nstr.format(*args, **kwargs)\n\n   Perform a string formatting operation.  The string on which this\n   method is called can contain literal text or replacement fields\n   delimited by braces "{}".  Each replacement field contains either\n   the numeric index of a positional argument, or the name of a\n   keyword argument.  Returns a copy of the string where each\n   replacement field is replaced with the string value of the\n   corresponding argument.\n\n   >>> "The sum of 1 + 2 is {0}".format(1+2)\n   \'The sum of 1 + 2 is 3\'\n\n   See *Format String Syntax* for a description of the various\n   formatting options that can be specified in format strings.\n\nstr.format_map(mapping)\n\n   Similar to "str.format(**mapping)", except that "mapping" is used\n   directly and not copied to a "dict".  This is useful if for example\n   "mapping" is a dict subclass:\n\n   >>> class Default(dict):\n   ...     def __missing__(self, key):\n   ...         return key\n   ...\n   >>> \'{name} was born in {country}\'.format_map(Default(name=\'Guido\'))\n   \'Guido was born in country\'\n\n   New in version 3.2.\n\nstr.index(sub[, start[, end]])\n\n   Like "find()", but raise "ValueError" when the substring is not\n   found.\n\nstr.isalnum()\n\n   Return true if all characters in the string are alphanumeric and\n   there is at least one character, false otherwise.  A character "c"\n   is alphanumeric if one of the following returns "True":\n   "c.isalpha()", "c.isdecimal()", "c.isdigit()", or "c.isnumeric()".\n\nstr.isalpha()\n\n   Return true if all characters in the string are alphabetic and\n   there is at least one character, false otherwise.  Alphabetic\n   characters are those characters defined in the Unicode character\n   database as "Letter", i.e., those with general category property\n   being one of "Lm", "Lt", "Lu", "Ll", or "Lo".  Note that this is\n   different from the "Alphabetic" property defined in the Unicode\n   Standard.\n\nstr.isdecimal()\n\n   Return true if all characters in the string are decimal characters\n   and there is at least one character, false otherwise. Decimal\n   characters are those from general category "Nd". This category\n   includes digit characters, and all characters that can be used to\n   form decimal-radix numbers, e.g. U+0660, ARABIC-INDIC DIGIT ZERO.\n\nstr.isdigit()\n\n   Return true if all characters in the string are digits and there is\n   at least one character, false otherwise.  Digits include decimal\n   characters and digits that need special handling, such as the\n   compatibility superscript digits.  Formally, a digit is a character\n   that has the property value Numeric_Type=Digit or\n   Numeric_Type=Decimal.\n\nstr.isidentifier()\n\n   Return true if the string is a valid identifier according to the\n   language definition, section *Identifiers and keywords*.\n\n   Use "keyword.iskeyword()" to test for reserved identifiers such as\n   "def" and "class".\n\nstr.islower()\n\n   Return true if all cased characters [4] in the string are lowercase\n   and there is at least one cased character, false otherwise.\n\nstr.isnumeric()\n\n   Return true if all characters in the string are numeric characters,\n   and there is at least one character, false otherwise. Numeric\n   characters include digit characters, and all characters that have\n   the Unicode numeric value property, e.g. U+2155, VULGAR FRACTION\n   ONE FIFTH.  Formally, numeric characters are those with the\n   property value Numeric_Type=Digit, Numeric_Type=Decimal or\n   Numeric_Type=Numeric.\n\nstr.isprintable()\n\n   Return true if all characters in the string are printable or the\n   string is empty, false otherwise.  Nonprintable characters are\n   those characters defined in the Unicode character database as\n   "Other" or "Separator", excepting the ASCII space (0x20) which is\n   considered printable.  (Note that printable characters in this\n   context are those which should not be escaped when "repr()" is\n   invoked on a string.  It has no bearing on the handling of strings\n   written to "sys.stdout" or "sys.stderr".)\n\nstr.isspace()\n\n   Return true if there are only whitespace characters in the string\n   and there is at least one character, false otherwise.  Whitespace\n   characters  are those characters defined in the Unicode character\n   database as "Other" or "Separator" and those with bidirectional\n   property being one of "WS", "B", or "S".\n\nstr.istitle()\n\n   Return true if the string is a titlecased string and there is at\n   least one character, for example uppercase characters may only\n   follow uncased characters and lowercase characters only cased ones.\n   Return false otherwise.\n\nstr.isupper()\n\n   Return true if all cased characters [4] in the string are uppercase\n   and there is at least one cased character, false otherwise.\n\nstr.join(iterable)\n\n   Return a string which is the concatenation of the strings in the\n   *iterable* *iterable*.  A "TypeError" will be raised if there are\n   any non-string values in *iterable*, including "bytes" objects.\n   The separator between elements is the string providing this method.\n\nstr.ljust(width[, fillchar])\n\n   Return the string left justified in a string of length *width*.\n   Padding is done using the specified *fillchar* (default is an ASCII\n   space). The original string is returned if *width* is less than or\n   equal to "len(s)".\n\nstr.lower()\n\n   Return a copy of the string with all the cased characters [4]\n   converted to lowercase.\n\n   The lowercasing algorithm used is described in section 3.13 of the\n   Unicode Standard.\n\nstr.lstrip([chars])\n\n   Return a copy of the string with leading characters removed.  The\n   *chars* argument is a string specifying the set of characters to be\n   removed.  If omitted or "None", the *chars* argument defaults to\n   removing whitespace.  The *chars* argument is not a prefix; rather,\n   all combinations of its values are stripped:\n\n      >>> \'   spacious   \'.lstrip()\n      \'spacious   \'\n      >>> \'www.example.com\'.lstrip(\'cmowz.\')\n      \'example.com\'\n\nstatic str.maketrans(x[, y[, z]])\n\n   This static method returns a translation table usable for\n   "str.translate()".\n\n   If there is only one argument, it must be a dictionary mapping\n   Unicode ordinals (integers) or characters (strings of length 1) to\n   Unicode ordinals, strings (of arbitrary lengths) or None.\n   Character keys will then be converted to ordinals.\n\n   If there are two arguments, they must be strings of equal length,\n   and in the resulting dictionary, each character in x will be mapped\n   to the character at the same position in y.  If there is a third\n   argument, it must be a string, whose characters will be mapped to\n   None in the result.\n\nstr.partition(sep)\n\n   Split the string at the first occurrence of *sep*, and return a\n   3-tuple containing the part before the separator, the separator\n   itself, and the part after the separator.  If the separator is not\n   found, return a 3-tuple containing the string itself, followed by\n   two empty strings.\n\nstr.replace(old, new[, count])\n\n   Return a copy of the string with all occurrences of substring *old*\n   replaced by *new*.  If the optional argument *count* is given, only\n   the first *count* occurrences are replaced.\n\nstr.rfind(sub[, start[, end]])\n\n   Return the highest index in the string where substring *sub* is\n   found, such that *sub* is contained within "s[start:end]".\n   Optional arguments *start* and *end* are interpreted as in slice\n   notation.  Return "-1" on failure.\n\nstr.rindex(sub[, start[, end]])\n\n   Like "rfind()" but raises "ValueError" when the substring *sub* is\n   not found.\n\nstr.rjust(width[, fillchar])\n\n   Return the string right justified in a string of length *width*.\n   Padding is done using the specified *fillchar* (default is an ASCII\n   space). The original string is returned if *width* is less than or\n   equal to "len(s)".\n\nstr.rpartition(sep)\n\n   Split the string at the last occurrence of *sep*, and return a\n   3-tuple containing the part before the separator, the separator\n   itself, and the part after the separator.  If the separator is not\n   found, return a 3-tuple containing two empty strings, followed by\n   the string itself.\n\nstr.rsplit(sep=None, maxsplit=-1)\n\n   Return a list of the words in the string, using *sep* as the\n   delimiter string. If *maxsplit* is given, at most *maxsplit* splits\n   are done, the *rightmost* ones.  If *sep* is not specified or\n   "None", any whitespace string is a separator.  Except for splitting\n   from the right, "rsplit()" behaves like "split()" which is\n   described in detail below.\n\nstr.rstrip([chars])\n\n   Return a copy of the string with trailing characters removed.  The\n   *chars* argument is a string specifying the set of characters to be\n   removed.  If omitted or "None", the *chars* argument defaults to\n   removing whitespace.  The *chars* argument is not a suffix; rather,\n   all combinations of its values are stripped:\n\n      >>> \'   spacious   \'.rstrip()\n      \'   spacious\'\n      >>> \'mississippi\'.rstrip(\'ipz\')\n      \'mississ\'\n\nstr.split(sep=None, maxsplit=-1)\n\n   Return a list of the words in the string, using *sep* as the\n   delimiter string.  If *maxsplit* is given, at most *maxsplit*\n   splits are done (thus, the list will have at most "maxsplit+1"\n   elements).  If *maxsplit* is not specified or "-1", then there is\n   no limit on the number of splits (all possible splits are made).\n\n   If *sep* is given, consecutive delimiters are not grouped together\n   and are deemed to delimit empty strings (for example,\n   "\'1,,2\'.split(\',\')" returns "[\'1\', \'\', \'2\']").  The *sep* argument\n   may consist of multiple characters (for example,\n   "\'1<>2<>3\'.split(\'<>\')" returns "[\'1\', \'2\', \'3\']"). Splitting an\n   empty string with a specified separator returns "[\'\']".\n\n   For example:\n\n      >>> \'1,2,3\'.split(\',\')\n      [\'1\', \'2\', \'3\']\n      >>> \'1,2,3\'.split(\',\', maxsplit=1)\n      [\'1\', \'2,3\']\n      >>> \'1,2,,3,\'.split(\',\')\n      [\'1\', \'2\', \'\', \'3\', \'\']\n\n   If *sep* is not specified or is "None", a different splitting\n   algorithm is applied: runs of consecutive whitespace are regarded\n   as a single separator, and the result will contain no empty strings\n   at the start or end if the string has leading or trailing\n   whitespace.  Consequently, splitting an empty string or a string\n   consisting of just whitespace with a "None" separator returns "[]".\n\n   For example:\n\n      >>> \'1 2 3\'.split()\n      [\'1\', \'2\', \'3\']\n      >>> \'1 2 3\'.split(maxsplit=1)\n      [\'1\', \'2 3\']\n      >>> \'   1   2   3   \'.split()\n      [\'1\', \'2\', \'3\']\n\nstr.splitlines([keepends])\n\n   Return a list of the lines in the string, breaking at line\n   boundaries.  Line breaks are not included in the resulting list\n   unless *keepends* is given and true.\n\n   This method splits on the following line boundaries.  In\n   particular, the boundaries are a superset of *universal newlines*.\n\n   +-------------------------+-------------------------------+\n   | Representation          | Description                   |\n   +=========================+===============================+\n   | "\\n"                    | Line Feed                     |\n   +-------------------------+-------------------------------+\n   | "\\r"                    | Carriage Return               |\n   +-------------------------+-------------------------------+\n   | "\\r\\n"                  | Carriage Return + Line Feed   |\n   +-------------------------+-------------------------------+\n   | "\\v" or "\\x0b"          | Line Tabulation               |\n   +-------------------------+-------------------------------+\n   | "\\f" or "\\x0c"          | Form Feed                     |\n   +-------------------------+-------------------------------+\n   | "\\x1c"                  | File Separator                |\n   +-------------------------+-------------------------------+\n   | "\\x1d"                  | Group Separator               |\n   +-------------------------+-------------------------------+\n   | "\\x1e"                  | Record Separator              |\n   +-------------------------+-------------------------------+\n   | "\\x85"                  | Next Line (C1 Control Code)   |\n   +-------------------------+-------------------------------+\n   | "\\u2028"                | Line Separator                |\n   +-------------------------+-------------------------------+\n   | "\\u2029"                | Paragraph Separator           |\n   +-------------------------+-------------------------------+\n\n   Changed in version 3.2: "\\v" and "\\f" added to list of line\n   boundaries.\n\n   For example:\n\n      >>> \'ab c\\n\\nde fg\\rkl\\r\\n\'.splitlines()\n      [\'ab c\', \'\', \'de fg\', \'kl\']\n      >>> \'ab c\\n\\nde fg\\rkl\\r\\n\'.splitlines(keepends=True)\n      [\'ab c\\n\', \'\\n\', \'de fg\\r\', \'kl\\r\\n\']\n\n   Unlike "split()" when a delimiter string *sep* is given, this\n   method returns an empty list for the empty string, and a terminal\n   line break does not result in an extra line:\n\n      >>> "".splitlines()\n      []\n      >>> "One line\\n".splitlines()\n      [\'One line\']\n\n   For comparison, "split(\'\\n\')" gives:\n\n      >>> \'\'.split(\'\\n\')\n      [\'\']\n      >>> \'Two lines\\n\'.split(\'\\n\')\n      [\'Two lines\', \'\']\n\nstr.startswith(prefix[, start[, end]])\n\n   Return "True" if string starts with the *prefix*, otherwise return\n   "False". *prefix* can also be a tuple of prefixes to look for.\n   With optional *start*, test string beginning at that position.\n   With optional *end*, stop comparing string at that position.\n\nstr.strip([chars])\n\n   Return a copy of the string with the leading and trailing\n   characters removed. The *chars* argument is a string specifying the\n   set of characters to be removed. If omitted or "None", the *chars*\n   argument defaults to removing whitespace. The *chars* argument is\n   not a prefix or suffix; rather, all combinations of its values are\n   stripped:\n\n      >>> \'   spacious   \'.strip()\n      \'spacious\'\n      >>> \'www.example.com\'.strip(\'cmowz.\')\n      \'example\'\n\nstr.swapcase()\n\n   Return a copy of the string with uppercase characters converted to\n   lowercase and vice versa. Note that it is not necessarily true that\n   "s.swapcase().swapcase() == s".\n\nstr.title()\n\n   Return a titlecased version of the string where words start with an\n   uppercase character and the remaining characters are lowercase.\n\n   For example:\n\n      >>> \'Hello world\'.title()\n      \'Hello World\'\n\n   The algorithm uses a simple language-independent definition of a\n   word as groups of consecutive letters.  The definition works in\n   many contexts but it means that apostrophes in contractions and\n   possessives form word boundaries, which may not be the desired\n   result:\n\n      >>> "they\'re bill\'s friends from the UK".title()\n      "They\'Re Bill\'S Friends From The Uk"\n\n   A workaround for apostrophes can be constructed using regular\n   expressions:\n\n      >>> import re\n      >>> def titlecase(s):\n      ...     return re.sub(r"[A-Za-z]+(\'[A-Za-z]+)?",\n      ...                   lambda mo: mo.group(0)[0].upper() +\n      ...                              mo.group(0)[1:].lower(),\n      ...                   s)\n      ...\n      >>> titlecase("they\'re bill\'s friends.")\n      "They\'re Bill\'s Friends."\n\nstr.translate(map)\n\n   Return a copy of the *s* where all characters have been mapped\n   through the *map* which must be a dictionary of Unicode ordinals\n   (integers) to Unicode ordinals, strings or "None".  Unmapped\n   characters are left untouched. Characters mapped to "None" are\n   deleted.\n\n   You can use "str.maketrans()" to create a translation map from\n   character-to-character mappings in different formats.\n\n   Note: An even more flexible approach is to create a custom\n     character mapping codec using the "codecs" module (see\n     "encodings.cp1251" for an example).\n\nstr.upper()\n\n   Return a copy of the string with all the cased characters [4]\n   converted to uppercase.  Note that "str.upper().isupper()" might be\n   "False" if "s" contains uncased characters or if the Unicode\n   category of the resulting character(s) is not "Lu" (Letter,\n   uppercase), but e.g. "Lt" (Letter, titlecase).\n\n   The uppercasing algorithm used is described in section 3.13 of the\n   Unicode Standard.\n\nstr.zfill(width)\n\n   Return a copy of the string left filled with ASCII "\'0\'" digits to\n   make a string of length *width*. A leading sign prefix\n   ("\'+\'"/"\'-\'") is handled by inserting the padding *after* the sign\n   character rather than before. The original string is returned if\n   *width* is less than or equal to "len(s)".\n\n   For example:\n\n      >>> "42".zfill(5)\n      \'00042\'\n      >>> "-42".zfill(5)\n      \'-0042\'\n',
  'strings': u'\nString and Bytes literals\n*************************\n\nString literals are described by the following lexical definitions:\n\n   stringliteral   ::= [stringprefix](shortstring | longstring)\n   stringprefix    ::= "r" | "u" | "R" | "U"\n   shortstring     ::= "\'" shortstringitem* "\'" | \'"\' shortstringitem* \'"\'\n   longstring      ::= "\'\'\'" longstringitem* "\'\'\'" | \'"""\' longstringitem* \'"""\'\n   shortstringitem ::= shortstringchar | stringescapeseq\n   longstringitem  ::= longstringchar | stringescapeseq\n   shortstringchar ::= <any source character except "\\" or newline or the quote>\n   longstringchar  ::= <any source character except "\\">\n   stringescapeseq ::= "\\" <any source character>\n\n   bytesliteral   ::= bytesprefix(shortbytes | longbytes)\n   bytesprefix    ::= "b" | "B" | "br" | "Br" | "bR" | "BR" | "rb" | "rB" | "Rb" | "RB"\n   shortbytes     ::= "\'" shortbytesitem* "\'" | \'"\' shortbytesitem* \'"\'\n   longbytes      ::= "\'\'\'" longbytesitem* "\'\'\'" | \'"""\' longbytesitem* \'"""\'\n   shortbytesitem ::= shortbyteschar | bytesescapeseq\n   longbytesitem  ::= longbyteschar | bytesescapeseq\n   shortbyteschar ::= <any ASCII character except "\\" or newline or the quote>\n   longbyteschar  ::= <any ASCII character except "\\">\n   bytesescapeseq ::= "\\" <any ASCII character>\n\nOne syntactic restriction not indicated by these productions is that\nwhitespace is not allowed between the "stringprefix" or "bytesprefix"\nand the rest of the literal. The source character set is defined by\nthe encoding declaration; it is UTF-8 if no encoding declaration is\ngiven in the source file; see section *Encoding declarations*.\n\nIn plain English: Both types of literals can be enclosed in matching\nsingle quotes ("\'") or double quotes (""").  They can also be enclosed\nin matching groups of three single or double quotes (these are\ngenerally referred to as *triple-quoted strings*).  The backslash\n("\\") character is used to escape characters that otherwise have a\nspecial meaning, such as newline, backslash itself, or the quote\ncharacter.\n\nBytes literals are always prefixed with "\'b\'" or "\'B\'"; they produce\nan instance of the "bytes" type instead of the "str" type.  They may\nonly contain ASCII characters; bytes with a numeric value of 128 or\ngreater must be expressed with escapes.\n\nAs of Python 3.3 it is possible again to prefix string literals with a\n"u" prefix to simplify maintenance of dual 2.x and 3.x codebases.\n\nBoth string and bytes literals may optionally be prefixed with a\nletter "\'r\'" or "\'R\'"; such strings are called *raw strings* and treat\nbackslashes as literal characters.  As a result, in string literals,\n"\'\\U\'" and "\'\\u\'" escapes in raw strings are not treated specially.\nGiven that Python 2.x\'s raw unicode literals behave differently than\nPython 3.x\'s the "\'ur\'" syntax is not supported.\n\nNew in version 3.3: The "\'rb\'" prefix of raw bytes literals has been\nadded as a synonym of "\'br\'".\n\nNew in version 3.3: Support for the unicode legacy literal\n("u\'value\'") was reintroduced to simplify the maintenance of dual\nPython 2.x and 3.x codebases. See **PEP 414** for more information.\n\nIn triple-quoted literals, unescaped newlines and quotes are allowed\n(and are retained), except that three unescaped quotes in a row\nterminate the literal.  (A "quote" is the character used to open the\nliteral, i.e. either "\'" or """.)\n\nUnless an "\'r\'" or "\'R\'" prefix is present, escape sequences in string\nand bytes literals are interpreted according to rules similar to those\nused by Standard C.  The recognized escape sequences are:\n\n+-------------------+-----------------------------------+---------+\n| Escape Sequence   | Meaning                           | Notes   |\n+===================+===================================+=========+\n| "\\newline"        | Backslash and newline ignored     |         |\n+-------------------+-----------------------------------+---------+\n| "\\\\"              | Backslash ("\\")                   |         |\n+-------------------+-----------------------------------+---------+\n| "\\\'"              | Single quote ("\'")                |         |\n+-------------------+-----------------------------------+---------+\n| "\\""              | Double quote (""")                |         |\n+-------------------+-----------------------------------+---------+\n| "\\a"              | ASCII Bell (BEL)                  |         |\n+-------------------+-----------------------------------+---------+\n| "\\b"              | ASCII Backspace (BS)              |         |\n+-------------------+-----------------------------------+---------+\n| "\\f"              | ASCII Formfeed (FF)               |         |\n+-------------------+-----------------------------------+---------+\n| "\\n"              | ASCII Linefeed (LF)               |         |\n+-------------------+-----------------------------------+---------+\n| "\\r"              | ASCII Carriage Return (CR)        |         |\n+-------------------+-----------------------------------+---------+\n| "\\t"              | ASCII Horizontal Tab (TAB)        |         |\n+-------------------+-----------------------------------+---------+\n| "\\v"              | ASCII Vertical Tab (VT)           |         |\n+-------------------+-----------------------------------+---------+\n| "\\ooo"            | Character with octal value *ooo*  | (1,3)   |\n+-------------------+-----------------------------------+---------+\n| "\\xhh"            | Character with hex value *hh*     | (2,3)   |\n+-------------------+-----------------------------------+---------+\n\nEscape sequences only recognized in string literals are:\n\n+-------------------+-----------------------------------+---------+\n| Escape Sequence   | Meaning                           | Notes   |\n+===================+===================================+=========+\n| "\\N{name}"        | Character named *name* in the     | (4)     |\n|                   | Unicode database                  |         |\n+-------------------+-----------------------------------+---------+\n| "\\uxxxx"          | Character with 16-bit hex value   | (5)     |\n|                   | *xxxx*                            |         |\n+-------------------+-----------------------------------+---------+\n| "\\Uxxxxxxxx"      | Character with 32-bit hex value   | (6)     |\n|                   | *xxxxxxxx*                        |         |\n+-------------------+-----------------------------------+---------+\n\nNotes:\n\n1. As in Standard C, up to three octal digits are accepted.\n\n2. Unlike in Standard C, exactly two hex digits are required.\n\n3. In a bytes literal, hexadecimal and octal escapes denote the\n   byte with the given value. In a string literal, these escapes\n   denote a Unicode character with the given value.\n\n4. Changed in version 3.3: Support for name aliases [1] has been\n   added.\n\n5. Individual code units which form parts of a surrogate pair can\n   be encoded using this escape sequence.  Exactly four hex digits are\n   required.\n\n6. Any Unicode character can be encoded this way.  Exactly eight\n   hex digits are required.\n\nUnlike Standard C, all unrecognized escape sequences are left in the\nstring unchanged, i.e., *the backslash is left in the result*.  (This\nbehavior is useful when debugging: if an escape sequence is mistyped,\nthe resulting output is more easily recognized as broken.)  It is also\nimportant to note that the escape sequences only recognized in string\nliterals fall into the category of unrecognized escapes for bytes\nliterals.\n\nEven in a raw literal, quotes can be escaped with a backslash, but the\nbackslash remains in the result; for example, "r"\\""" is a valid\nstring literal consisting of two characters: a backslash and a double\nquote; "r"\\"" is not a valid string literal (even a raw string cannot\nend in an odd number of backslashes).  Specifically, *a raw literal\ncannot end in a single backslash* (since the backslash would escape\nthe following quote character).  Note also that a single backslash\nfollowed by a newline is interpreted as those two characters as part\nof the literal, *not* as a line continuation.\n',
  'subscriptions': u'\nSubscriptions\n*************\n\nA subscription selects an item of a sequence (string, tuple or list)\nor mapping (dictionary) object:\n\n   subscription ::= primary "[" expression_list "]"\n\nThe primary must evaluate to an object that supports subscription\n(lists or dictionaries for example).  User-defined objects can support\nsubscription by defining a "__getitem__()" method.\n\nFor built-in objects, there are two types of objects that support\nsubscription:\n\nIf the primary is a mapping, the expression list must evaluate to an\nobject whose value is one of the keys of the mapping, and the\nsubscription selects the value in the mapping that corresponds to that\nkey.  (The expression list is a tuple except if it has exactly one\nitem.)\n\nIf the primary is a sequence, the expression (list) must evaluate to\nan integer or a slice (as discussed in the following section).\n\nThe formal syntax makes no special provision for negative indices in\nsequences; however, built-in sequences all provide a "__getitem__()"\nmethod that interprets negative indices by adding the length of the\nsequence to the index (so that "x[-1]" selects the last item of "x").\nThe resulting value must be a nonnegative integer less than the number\nof items in the sequence, and the subscription selects the item whose\nindex is that value (counting from zero). Since the support for\nnegative indices and slicing occurs in the object\'s "__getitem__()"\nmethod, subclasses overriding this method will need to explicitly add\nthat support.\n\nA string\'s items are characters.  A character is not a separate data\ntype but a string of exactly one character.\n',
  'truth': u'\nTruth Value Testing\n*******************\n\nAny object can be tested for truth value, for use in an "if" or\n"while" condition or as operand of the Boolean operations below. The\nfollowing values are considered false:\n\n* "None"\n\n* "False"\n\n* zero of any numeric type, for example, "0", "0.0", "0j".\n\n* any empty sequence, for example, "\'\'", "()", "[]".\n\n* any empty mapping, for example, "{}".\n\n* instances of user-defined classes, if the class defines a\n  "__bool__()" or "__len__()" method, when that method returns the\n  integer zero or "bool" value "False". [1]\n\nAll other values are considered true --- so objects of many types are\nalways true.\n\nOperations and built-in functions that have a Boolean result always\nreturn "0" or "False" for false and "1" or "True" for true, unless\notherwise stated. (Important exception: the Boolean operations "or"\nand "and" always return one of their operands.)\n',
diff --git a/Lib/queue.py b/Lib/queue.py
index 3cee36b..572425e 100644
--- a/Lib/queue.py
+++ b/Lib/queue.py
@@ -6,10 +6,7 @@ except ImportError:
     import dummy_threading as threading
 from collections import deque
 from heapq import heappush, heappop
-try:
-    from time import monotonic as time
-except ImportError:
-    from time import time
+from time import monotonic as time
 
 __all__ = ['Empty', 'Full', 'Queue', 'PriorityQueue', 'LifoQueue']
 
diff --git a/Lib/random.py b/Lib/random.py
index 4642928..1f5be45 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -687,7 +687,7 @@ def _test_generator(n, func, args):
     print(round(t1-t0, 3), 'sec,', end=' ')
     avg = total/n
     stddev = _sqrt(sqsum/n - avg*avg)
-    print('avg %g, stddev %g, min %g, max %g' % \
+    print('avg %g, stddev %g, min %g, max %g\n' % \
               (avg, stddev, smallest, largest))
 
 
diff --git a/Lib/re.py b/Lib/re.py
index 199afee..dde8901 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -128,10 +128,13 @@ except ImportError:
     _locale = None
 
 # public symbols
-__all__ = [ "match", "fullmatch", "search", "sub", "subn", "split", "findall",
-    "compile", "purge", "template", "escape", "A", "I", "L", "M", "S", "X",
-    "U", "ASCII", "IGNORECASE", "LOCALE", "MULTILINE", "DOTALL", "VERBOSE",
-    "UNICODE", "error" ]
+__all__ = [
+    "match", "fullmatch", "search", "sub", "subn", "split",
+    "findall", "finditer", "compile", "purge", "template", "escape",
+    "error", "A", "I", "L", "M", "S", "X", "U",
+    "ASCII", "IGNORECASE", "LOCALE", "MULTILINE", "DOTALL", "VERBOSE",
+    "UNICODE",
+]
 
 __version__ = "2.2.1"
 
@@ -209,14 +212,12 @@ def findall(pattern, string, flags=0):
     Empty matches are included in the result."""
     return _compile(pattern, flags).findall(string)
 
-if sys.hexversion >= 0x02020000:
-    __all__.append("finditer")
-    def finditer(pattern, string, flags=0):
-        """Return an iterator over all non-overlapping matches in the
-        string.  For each match, the iterator returns a match object.
+def finditer(pattern, string, flags=0):
+    """Return an iterator over all non-overlapping matches in the
+    string.  For each match, the iterator returns a match object.
 
-        Empty matches are included in the result."""
-        return _compile(pattern, flags).finditer(string)
+    Empty matches are included in the result."""
+    return _compile(pattern, flags).finditer(string)
 
 def compile(pattern, flags=0):
     "Compile a regular expression pattern, returning a pattern object."
@@ -276,23 +277,21 @@ _pattern_type = type(sre_compile.compile("", 0))
 _MAXCACHE = 512
 def _compile(pattern, flags):
     # internal: compile pattern
-    bypass_cache = flags & DEBUG
-    if not bypass_cache:
-        try:
-            p, loc = _cache[type(pattern), pattern, flags]
-            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
-                return p
-        except KeyError:
-            pass
+    try:
+        p, loc = _cache[type(pattern), pattern, flags]
+        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
+            return p
+    except KeyError:
+        pass
     if isinstance(pattern, _pattern_type):
         if flags:
             raise ValueError(
-                "Cannot process flags argument with a compiled pattern")
+                "cannot process flags argument with a compiled pattern")
         return pattern
     if not sre_compile.isstring(pattern):
         raise TypeError("first argument must be string or compiled pattern")
     p = sre_compile.compile(pattern, flags)
-    if not bypass_cache:
+    if not (flags & DEBUG):
         if len(_cache) >= _MAXCACHE:
             _cache.clear()
         if p.flags & LOCALE:
@@ -352,10 +351,11 @@ class Scanner:
         s = sre_parse.Pattern()
         s.flags = flags
         for phrase, action in lexicon:
+            gid = s.opengroup()
             p.append(sre_parse.SubPattern(s, [
-                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
+                (SUBPATTERN, (gid, sre_parse.parse(phrase, flags))),
                 ]))
-        s.groups = len(p)+1
+            s.closegroup(gid, p[-1])
         p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
         self.scanner = sre_compile.compile(p)
     def scan(self, string):
@@ -363,7 +363,7 @@ class Scanner:
         append = result.append
         match = self.scanner.scanner(string).match
         i = 0
-        while 1:
+        while True:
             m = match()
             if not m:
                 break
diff --git a/Lib/reprlib.py b/Lib/reprlib.py
index f803360..ecbd2cc 100644
--- a/Lib/reprlib.py
+++ b/Lib/reprlib.py
@@ -83,16 +83,22 @@ class Repr:
         return self._repr_iterable(x, level, '[', ']', self.maxlist)
 
     def repr_array(self, x, level):
+        if not x:
+            return "array('%s')" % x.typecode
         header = "array('%s', [" % x.typecode
         return self._repr_iterable(x, level, header, '])', self.maxarray)
 
     def repr_set(self, x, level):
+        if not x:
+            return 'set()'
         x = _possibly_sorted(x)
-        return self._repr_iterable(x, level, 'set([', '])', self.maxset)
+        return self._repr_iterable(x, level, '{', '}', self.maxset)
 
     def repr_frozenset(self, x, level):
+        if not x:
+            return 'frozenset()'
         x = _possibly_sorted(x)
-        return self._repr_iterable(x, level, 'frozenset([', '])',
+        return self._repr_iterable(x, level, 'frozenset({', '})',
                                    self.maxfrozenset)
 
     def repr_deque(self, x, level):
@@ -136,7 +142,7 @@ class Repr:
             # Bugs in x.__repr__() can cause arbitrary
             # exceptions -- then make up something
         except Exception:
-            return '<%s instance at %x>' % (x.__class__.__name__, id(x))
+            return '<%s instance at %#x>' % (x.__class__.__name__, id(x))
         if len(s) > self.maxother:
             i = max(0, (self.maxother-3)//2)
             j = max(0, self.maxother-3-i)
diff --git a/Lib/runpy.py b/Lib/runpy.py
index 0bb57d7..d9c643d 100644
--- a/Lib/runpy.py
+++ b/Lib/runpy.py
@@ -58,7 +58,7 @@ class _ModifiedArgv0(object):
         self.value = self._sentinel
         sys.argv[0] = self._saved_value
 
-# TODO: Replace these helpers with importlib._bootstrap._SpecMethods
+# TODO: Replace these helpers with importlib._bootstrap functions
 def _run_code(code, run_globals, init_globals=None,
               mod_name=None, mod_spec=None,
               pkg_name=None, script_name=None):
diff --git a/Lib/sched.py b/Lib/sched.py
index 2e6b00a..b47648d 100644
--- a/Lib/sched.py
+++ b/Lib/sched.py
@@ -35,16 +35,12 @@ try:
     import threading
 except ImportError:
     import dummy_threading as threading
-try:
-    from time import monotonic as _time
-except ImportError:
-    from time import time as _time
+from time import monotonic as _time
 
 __all__ = ["scheduler"]
 
 class Event(namedtuple('Event', 'time, priority, action, argument, kwargs')):
     def __eq__(s, o): return (s.time, s.priority) == (o.time, o.priority)
-    def __ne__(s, o): return (s.time, s.priority) != (o.time, o.priority)
     def __lt__(s, o): return (s.time, s.priority) <  (o.time, o.priority)
     def __le__(s, o): return (s.time, s.priority) <= (o.time, o.priority)
     def __gt__(s, o): return (s.time, s.priority) >  (o.time, o.priority)
diff --git a/Lib/selectors.py b/Lib/selectors.py
index 7b6da29..e17ea36 100644
--- a/Lib/selectors.py
+++ b/Lib/selectors.py
@@ -174,9 +174,9 @@ class BaseSelector(metaclass=ABCMeta):
         SelectorKey for this file object
         """
         mapping = self.get_map()
+        if mapping is None:
+            raise RuntimeError('Selector is closed')
         try:
-            if mapping is None:
-                raise KeyError
             return mapping[fileobj]
         except KeyError:
             raise KeyError("{!r} is not registered".format(fileobj)) from None
@@ -310,10 +310,7 @@ class SelectSelector(_BaseSelectorImpl):
     def select(self, timeout=None):
         timeout = None if timeout is None else max(timeout, 0)
         ready = []
-        try:
-            r, w, _ = self._select(self._readers, self._writers, [], timeout)
-        except InterruptedError:
-            return ready
+        r, w, _ = self._select(self._readers, self._writers, [], timeout)
         r = set(r)
         w = set(w)
         for fd in r | w:
@@ -362,11 +359,10 @@ if hasattr(select, 'poll'):
                 # poll() has a resolution of 1 millisecond, round away from
                 # zero to wait *at least* timeout seconds.
                 timeout = math.ceil(timeout * 1e3)
+
+            fd_event_list = self._poll.poll(timeout)
+
             ready = []
-            try:
-                fd_event_list = self._poll.poll(timeout)
-            except InterruptedError:
-                return ready
             for fd, event in fd_event_list:
                 events = 0
                 if event & ~select.POLLIN:
@@ -427,11 +423,9 @@ if hasattr(select, 'epoll'):
             # FD is registered.
             max_ev = max(len(self._fd_to_key), 1)
 
+            fd_event_list = self._epoll.poll(timeout, max_ev)
+
             ready = []
-            try:
-                fd_event_list = self._epoll.poll(timeout, max_ev)
-            except InterruptedError:
-                return ready
             for fd, event in fd_event_list:
                 events = 0
                 if event & ~select.EPOLLIN:
@@ -451,6 +445,65 @@ if hasattr(select, 'epoll'):
                 super().close()
 
 
+if hasattr(select, 'devpoll'):
+
+    class DevpollSelector(_BaseSelectorImpl):
+        """Solaris /dev/poll selector."""
+
+        def __init__(self):
+            super().__init__()
+            self._devpoll = select.devpoll()
+
+        def fileno(self):
+            return self._devpoll.fileno()
+
+        def register(self, fileobj, events, data=None):
+            key = super().register(fileobj, events, data)
+            poll_events = 0
+            if events & EVENT_READ:
+                poll_events |= select.POLLIN
+            if events & EVENT_WRITE:
+                poll_events |= select.POLLOUT
+            self._devpoll.register(key.fd, poll_events)
+            return key
+
+        def unregister(self, fileobj):
+            key = super().unregister(fileobj)
+            self._devpoll.unregister(key.fd)
+            return key
+
+        def select(self, timeout=None):
+            if timeout is None:
+                timeout = None
+            elif timeout <= 0:
+                timeout = 0
+            else:
+                # devpoll() has a resolution of 1 millisecond, round away from
+                # zero to wait *at least* timeout seconds.
+                timeout = math.ceil(timeout * 1e3)
+
+            fd_event_list = self._devpoll.poll(timeout)
+
+            ready = []
+            for fd, event in fd_event_list:
+                events = 0
+                if event & ~select.POLLIN:
+                    events |= EVENT_WRITE
+                if event & ~select.POLLOUT:
+                    events |= EVENT_READ
+
+                key = self._key_from_fd(fd)
+                if key:
+                    ready.append((key, events & key.events))
+            return ready
+
+        def close(self):
+            try:
+                self._devpoll.close()
+            finally:
+                super().close()
+
+
 if hasattr(select, 'kqueue'):
 
     class KqueueSelector(_BaseSelectorImpl):
@@ -499,11 +552,9 @@ if hasattr(select, 'kqueue'):
         def select(self, timeout=None):
             timeout = None if timeout is None else max(timeout, 0)
             max_ev = len(self._fd_to_key)
+            kev_list = self._kqueue.control(None, max_ev, timeout)
+
             ready = []
-            try:
-                kev_list = self._kqueue.control(None, max_ev, timeout)
-            except InterruptedError:
-                return ready
             for kev in kev_list:
                 fd = kev.ident
                 flag = kev.filter
@@ -525,12 +576,15 @@ if hasattr(select, 'kqueue'):
                 super().close()
 
 
-# Choose the best implementation: roughly, epoll|kqueue > poll > select.
+# Choose the best implementation, roughly:
+#    epoll|kqueue|devpoll > poll > select.
 # select() also can't accept a FD > FD_SETSIZE (usually around 1024)
 if 'KqueueSelector' in globals():
     DefaultSelector = KqueueSelector
 elif 'EpollSelector' in globals():
     DefaultSelector = EpollSelector
+elif 'DevpollSelector' in globals():
+    DefaultSelector = DevpollSelector
 elif 'PollSelector' in globals():
     DefaultSelector = PollSelector
 else:
diff --git a/Lib/shutil.py b/Lib/shutil.py
index ac06ae5..61dc804 100644
--- a/Lib/shutil.py
+++ b/Lib/shutil.py
@@ -7,7 +7,6 @@ XXX The functions here don't copy the resource fork or other metadata on Mac.
 import os
 import sys
 import stat
-from os.path import abspath
 import fnmatch
 import collections
 import errno
@@ -21,6 +20,13 @@ except ImportError:
     _BZ2_SUPPORTED = False
 
 try:
+    import lzma
+    del lzma
+    _LZMA_SUPPORTED = True
+except ImportError:
+    _LZMA_SUPPORTED = False
+
+try:
     from pwd import getpwnam
 except ImportError:
     getpwnam = None
@@ -487,7 +493,7 @@ def _basename(path):
     sep = os.path.sep + (os.path.altsep or '')
     return os.path.basename(path.rstrip(sep))
 
-def move(src, dst):
+def move(src, dst, copy_function=copy2):
     """Recursively move a file or directory to another location. This is
     similar to the Unix "mv" command. Return the file or directory's
     destination.
@@ -504,6 +510,11 @@ def move(src, dst):
     recreated under the new name if os.rename() fails because of cross
     filesystem renames.
 
+    The optional `copy_function` argument is a callable that will be used
+    to copy the source or it will be delegated to `copytree`.
+    By default, copy2() is used, but any function that supports the same
+    signature (like copy()) can be used.
+
     A lot more could be done here...  A look at a mv.c shows a lot of
     the issues this implementation glosses over.
 
@@ -528,17 +539,19 @@ def move(src, dst):
             os.unlink(src)
         elif os.path.isdir(src):
             if _destinsrc(src, dst):
-                raise Error("Cannot move a directory '%s' into itself '%s'." % (src, dst))
-            copytree(src, real_dst, symlinks=True)
+                raise Error("Cannot move a directory '%s' into itself"
+                            " '%s'." % (src, dst))
+            copytree(src, real_dst, copy_function=copy_function,
+                     symlinks=True)
             rmtree(src)
         else:
-            copy2(src, real_dst)
+            copy_function(src, real_dst)
             os.unlink(src)
     return real_dst
 
 def _destinsrc(src, dst):
-    src = abspath(src)
-    dst = abspath(dst)
+    src = os.path.abspath(src)
+    dst = os.path.abspath(dst)
     if not src.endswith(os.path.sep):
         src += os.path.sep
     if not dst.endswith(os.path.sep):
@@ -574,14 +587,14 @@ def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
     """Create a (possibly compressed) tar file from all the files under
     'base_dir'.
 
-    'compress' must be "gzip" (the default), "bzip2", or None.
+    'compress' must be "gzip" (the default), "bzip2", "xz", or None.
 
     'owner' and 'group' can be used to define an owner and a group for the
     archive that is being built. If not provided, the current owner and group
     will be used.
 
     The output tar file will be named 'base_name' +  ".tar", possibly plus
-    the appropriate compression extension (".gz", or ".bz2").
+    the appropriate compression extension (".gz", ".bz2", or ".xz").
 
     Returns the output filename.
     """
@@ -592,6 +605,10 @@ def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
         tar_compression['bzip2'] = 'bz2'
         compress_ext['bzip2'] = '.bz2'
 
+    if _LZMA_SUPPORTED:
+        tar_compression['xz'] = 'xz'
+        compress_ext['xz'] = '.xz'
+
     # flags for compression program, each element of list will be an argument
     if compress is not None and compress not in compress_ext:
         raise ValueError("bad value for 'compress', or compression format not "
@@ -631,23 +648,6 @@ def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
 
     return archive_name
 
-def _call_external_zip(base_dir, zip_filename, verbose=False, dry_run=False):
-    # XXX see if we want to keep an external call here
-    if verbose:
-        zipoptions = "-r"
-    else:
-        zipoptions = "-rq"
-    from distutils.errors import DistutilsExecError
-    from distutils.spawn import spawn
-    try:
-        spawn(["zip", zipoptions, zip_filename, base_dir], dry_run=dry_run)
-    except DistutilsExecError:
-        # XXX really should distinguish between "couldn't find
-        # external 'zip' command" and "zip failed".
-        raise ExecError("unable to create zip file '%s': "
-            "could neither import the 'zipfile' module nor "
-            "find a standalone zip utility") % zip_filename
-
 def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None):
     """Create a zip file from all the files under 'base_dir'.
 
@@ -657,6 +657,8 @@ def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None):
     available, raises ExecError.  Returns the name of the output zip
     file.
     """
+    import zipfile
+
     zip_filename = base_name + ".zip"
     archive_dir = os.path.dirname(base_name)
 
@@ -666,30 +668,20 @@ def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None):
         if not dry_run:
             os.makedirs(archive_dir)
 
-    # If zipfile module is not available, try spawning an external 'zip'
-    # command.
-    try:
-        import zipfile
-    except ImportError:
-        zipfile = None
-
-    if zipfile is None:
-        _call_external_zip(base_dir, zip_filename, verbose, dry_run)
-    else:
-        if logger is not None:
-            logger.info("creating '%s' and adding '%s' to it",
-                        zip_filename, base_dir)
+    if logger is not None:
+        logger.info("creating '%s' and adding '%s' to it",
+                    zip_filename, base_dir)
 
-        if not dry_run:
-            with zipfile.ZipFile(zip_filename, "w",
-                                 compression=zipfile.ZIP_DEFLATED) as zf:
-                for dirpath, dirnames, filenames in os.walk(base_dir):
-                    for name in filenames:
-                        path = os.path.normpath(os.path.join(dirpath, name))
-                        if os.path.isfile(path):
-                            zf.write(path, path)
-                            if logger is not None:
-                                logger.info("adding '%s'", path)
+    if not dry_run:
+        with zipfile.ZipFile(zip_filename, "w",
+                             compression=zipfile.ZIP_DEFLATED) as zf:
+            for dirpath, dirnames, filenames in os.walk(base_dir):
+                for name in filenames:
+                    path = os.path.normpath(os.path.join(dirpath, name))
+                    if os.path.isfile(path):
+                        zf.write(path, path)
+                        if logger is not None:
+                            logger.info("adding '%s'", path)
 
     return zip_filename
 
@@ -703,6 +695,10 @@ if _BZ2_SUPPORTED:
     _ARCHIVE_FORMATS['bztar'] = (_make_tarball, [('compress', 'bzip2')],
                                 "bzip2'ed tar-file")
 
+if _LZMA_SUPPORTED:
+    _ARCHIVE_FORMATS['xztar'] = (_make_tarball, [('compress', 'xz')],
+                                "xz'ed tar-file")
+
 def get_archive_formats():
     """Returns a list of supported formats for archiving and unarchiving.
 
@@ -891,7 +887,7 @@ def _unpack_zipfile(filename, extract_dir):
         zip.close()
 
 def _unpack_tarfile(filename, extract_dir):
-    """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir`
+    """Unpack tar/tar.gz/tar.bz2/tar.xz `filename` to `extract_dir`
     """
     try:
         tarobj = tarfile.open(filename)
@@ -910,9 +906,13 @@ _UNPACK_FORMATS = {
     }
 
 if _BZ2_SUPPORTED:
-    _UNPACK_FORMATS['bztar'] = (['.bz2'], _unpack_tarfile, [],
+    _UNPACK_FORMATS['bztar'] = (['.tar.bz2', '.tbz2'], _unpack_tarfile, [],
                                 "bzip2'ed tar-file")
 
+if _LZMA_SUPPORTED:
+    _UNPACK_FORMATS['xztar'] = (['.tar.xz', '.txz'], _unpack_tarfile, [],
+                                "xz'ed tar-file")
+
 def _find_unpack_format(filename):
     for name, info in _UNPACK_FORMATS.items():
         for extension in info[0]:
diff --git a/Lib/signal.py b/Lib/signal.py
new file mode 100644
index 0000000..371d712
--- /dev/null
+++ b/Lib/signal.py
@@ -0,0 +1,79 @@
+import _signal
+from _signal import *
+from functools import wraps as _wraps
+from enum import IntEnum as _IntEnum
+
+_globals = globals()
+
+_IntEnum._convert(
+        'Signals', __name__,
+        lambda name:
+            name.isupper()
+            and (name.startswith('SIG') and not name.startswith('SIG_'))
+            or name.startswith('CTRL_'))
+
+_IntEnum._convert(
+        'Handlers', __name__,
+        lambda name: name in ('SIG_DFL', 'SIG_IGN'))
+
+if 'pthread_sigmask' in _globals:
+    _IntEnum._convert(
+            'Sigmasks', __name__,
+            lambda name: name in ('SIG_BLOCK', 'SIG_UNBLOCK', 'SIG_SETMASK'))
+
+
+def _int_to_enum(value, enum_klass):
+    """Convert a numeric value to an IntEnum member.
+    If it's not a known member, return the numeric value itself.
+    """
+    try:
+        return enum_klass(value)
+    except ValueError:
+        return value
+
+
+def _enum_to_int(value):
+    """Convert an IntEnum member to a numeric value.
+    If it's not a IntEnum member return the value itself.
+    """
+    try:
+        return int(value)
+    except (ValueError, TypeError):
+        return value
+
+
+@_wraps(_signal.signal)
+def signal(signalnum, handler):
+    handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler))
+    return _int_to_enum(handler, Handlers)
+
+
+@_wraps(_signal.getsignal)
+def getsignal(signalnum):
+    handler = _signal.getsignal(signalnum)
+    return _int_to_enum(handler, Handlers)
+
+
+if 'pthread_sigmask' in _globals:
+    @_wraps(_signal.pthread_sigmask)
+    def pthread_sigmask(how, mask):
+        sigs_set = _signal.pthread_sigmask(how, mask)
+        return set(_int_to_enum(x, Signals) for x in sigs_set)
+    pthread_sigmask.__doc__ = _signal.pthread_sigmask.__doc__
+
+
+if 'sigpending' in _globals:
+    @_wraps(_signal.sigpending)
+    def sigpending():
+        sigs = _signal.sigpending()
+        return set(_int_to_enum(x, Signals) for x in sigs)
+
+
+if 'sigwait' in _globals:
+    @_wraps(_signal.sigwait)
+    def sigwait(sigset):
+        retsig = _signal.sigwait(sigset)
+        return _int_to_enum(retsig, Signals)
+    sigwait.__doc__ = _signal.sigwait
+
+del _globals, _wraps
diff --git a/Lib/site.py b/Lib/site.py
index ad5d136..4959cfc 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -7,7 +7,7 @@
 This will append site-specific paths to the module search path.  On
 Unix (including Mac OSX), it starts with sys.prefix and
 sys.exec_prefix (if different) and appends
-lib/python<version>/site-packages as well as lib/site-python.
+lib/python<version>/site-packages.
 On other platforms (such as Windows), it tries each of the
 prefixes directly, as well as with lib/site-packages appended.  The
 resulting directories, if they exist, are appended to sys.path, and
@@ -15,7 +15,7 @@ also inspected for path configuration files.
 
 If a file named "pyvenv.cfg" exists one directory above sys.executable,
 sys.prefix and sys.exec_prefix are set to that directory and
-it is also checked for site-packages and site-python (sys.base_prefix and
+it is also checked for site-packages (sys.base_prefix and
 sys.base_exec_prefix will always be the "real" prefixes of the Python
 installation). If "pyvenv.cfg" (a bootstrap configuration file) contains
 the key "include-system-site-packages" set to anything other than "false"
@@ -285,8 +285,7 @@ def addusersitepackages(known_paths):
     return known_paths
 
 def getsitepackages(prefixes=None):
-    """Returns a list containing all global site-packages directories
-    (and possibly site-python).
+    """Returns a list containing all global site-packages directories.
 
     For each directory present in ``prefixes`` (or the global ``PREFIXES``),
     this function will find its `site-packages` subdirectory depending on the
@@ -307,7 +306,6 @@ def getsitepackages(prefixes=None):
             sitepackages.append(os.path.join(prefix, "lib",
                                         "python" + sys.version[:3],
                                         "site-packages"))
-            sitepackages.append(os.path.join(prefix, "lib", "site-python"))
         else:
             sitepackages.append(prefix)
             sitepackages.append(os.path.join(prefix, "lib", "site-packages"))
@@ -323,14 +321,9 @@ def getsitepackages(prefixes=None):
     return sitepackages
 
 def addsitepackages(known_paths, prefixes=None):
-    """Add site-packages (and possibly site-python) to sys.path"""
+    """Add site-packages to sys.path"""
     for sitedir in getsitepackages(prefixes):
         if os.path.isdir(sitedir):
-            if "site-python" in sitedir:
-                import warnings
-                warnings.warn('"site-python" directories will not be '
-                              'supported in 3.5 anymore',
-                              DeprecationWarning)
             addsitedir(sitedir, known_paths)
 
     return known_paths
diff --git a/Lib/smtpd.py b/Lib/smtpd.py
index db7c867..dd410b8 100755
--- a/Lib/smtpd.py
+++ b/Lib/smtpd.py
@@ -1,5 +1,5 @@
 #! /usr/bin/env python3
-"""An RFC 5321 smtp proxy.
+"""An RFC 5321 smtp proxy with optional RFC 1870 and RFC 6531 extensions.
 
 Usage: %(program)s [options] [localhost:localport [remotehost:remoteport]]
 
@@ -25,6 +25,10 @@ Options:
         Restrict the total size of the incoming message to "limit" number of
         bytes via the RFC 1870 SIZE extension.  Defaults to 33554432 bytes.
 
+    --smtputf8
+    -u
+        Enable the SMTPUTF8 extension and behave as an RFC 6531 smtp proxy.
+
     --debug
     -d
         Turn on debugging prints.
@@ -98,7 +102,6 @@ class Devnull:
 
 DEBUGSTREAM = Devnull()
 NEWLINE = '\n'
-EMPTYSTRING = ''
 COMMASPACE = ', '
 DATA_SIZE_DEFAULT = 33554432
 
@@ -116,26 +119,48 @@ class SMTPChannel(asynchat.async_chat):
 
     command_size_limit = 512
     command_size_limits = collections.defaultdict(lambda x=command_size_limit: x)
-    command_size_limits.update({
-        'MAIL': command_size_limit + 26,
-        })
-    max_command_size_limit = max(command_size_limits.values())
+
+    @property
+    def max_command_size_limit(self):
+        try:
+            return max(self.command_size_limits.values())
+        except ValueError:
+            return self.command_size_limit
 
     def __init__(self, server, conn, addr, data_size_limit=DATA_SIZE_DEFAULT,
-                 map=None):
+                 map=None, enable_SMTPUTF8=False, decode_data=None):
         asynchat.async_chat.__init__(self, conn, map=map)
         self.smtp_server = server
         self.conn = conn
         self.addr = addr
         self.data_size_limit = data_size_limit
-        self.received_lines = []
-        self.smtp_state = self.COMMAND
+        self.enable_SMTPUTF8 = enable_SMTPUTF8
+        if enable_SMTPUTF8:
+            if decode_data:
+                ValueError("decode_data and enable_SMTPUTF8 cannot be set to"
+                           " True at the same time")
+            decode_data = False
+        if decode_data is None:
+            warn("The decode_data default of True will change to False in 3.6;"
+                 " specify an explicit value for this keyword",
+                 DeprecationWarning, 2)
+            decode_data = True
+        self._decode_data = decode_data
+        if decode_data:
+            self._emptystring = ''
+            self._linesep = '\r\n'
+            self._dotsep = '.'
+            self._newline = NEWLINE
+        else:
+            self._emptystring = b''
+            self._linesep = b'\r\n'
+            self._dotsep = ord(b'.')
+            self._newline = b'\n'
+        self._set_rset_state()
         self.seen_greeting = ''
-        self.mailfrom = None
-        self.rcpttos = []
-        self.received_data = ''
+        self.extended_smtp = False
+        self.command_size_limits.clear()
         self.fqdn = socket.getfqdn()
-        self.num_bytes = 0
         try:
             self.peer = conn.getpeername()
         except OSError as err:
@@ -147,8 +172,22 @@ class SMTPChannel(asynchat.async_chat):
             return
         print('Peer:', repr(self.peer), file=DEBUGSTREAM)
         self.push('220 %s %s' % (self.fqdn, __version__))
+
+    def _set_post_data_state(self):
+        """Reset state variables to their post-DATA state."""
+        self.smtp_state = self.COMMAND
+        self.mailfrom = None
+        self.rcpttos = []
+        self.require_SMTPUTF8 = False
+        self.num_bytes = 0
         self.set_terminator(b'\r\n')
-        self.extended_smtp = False
+
+    def _set_rset_state(self):
+        """Reset all state variables except the greeting."""
+        self._set_post_data_state()
+        self.received_data = ''
+        self.received_lines = []
+
 
     # properties for backwards-compatibility
     @property
@@ -272,9 +311,10 @@ class SMTPChannel(asynchat.async_chat):
             "set 'addr' instead", DeprecationWarning, 2)
         self.addr = value
 
-    # Overrides base class for convenience
+    # Overrides base class for convenience.
     def push(self, msg):
-        asynchat.async_chat.push(self, bytes(msg + '\r\n', 'ascii'))
+        asynchat.async_chat.push(self, bytes(
+            msg + '\r\n', 'utf-8' if self.require_SMTPUTF8 else 'ascii'))
 
     # Implementation of base class abstract method
     def collect_incoming_data(self, data):
@@ -287,11 +327,14 @@ class SMTPChannel(asynchat.async_chat):
             return
         elif limit:
             self.num_bytes += len(data)
-        self.received_lines.append(str(data, "utf-8"))
+        if self._decode_data:
+            self.received_lines.append(str(data, 'utf-8'))
+        else:
+            self.received_lines.append(data)
 
     # Implementation of base class abstract method
     def found_terminator(self):
-        line = EMPTYSTRING.join(self.received_lines)
+        line = self._emptystring.join(self.received_lines)
         print('Data:', repr(line), file=DEBUGSTREAM)
         self.received_lines = []
         if self.smtp_state == self.COMMAND:
@@ -299,7 +342,8 @@ class SMTPChannel(asynchat.async_chat):
             if not line:
                 self.push('500 Error: bad syntax')
                 return
-            method = None
+            if not self._decode_data:
+                line = str(line, 'utf-8')
             i = line.find(' ')
             if i < 0:
                 command = line.upper()
@@ -330,21 +374,18 @@ class SMTPChannel(asynchat.async_chat):
             # Remove extraneous carriage returns and de-transparency according
             # to RFC 5321, Section 4.5.2.
             data = []
-            for text in line.split('\r\n'):
-                if text and text[0] == '.':
+            for text in line.split(self._linesep):
+                if text and text[0] == self._dotsep:
                     data.append(text[1:])
                 else:
                     data.append(text)
-            self.received_data = NEWLINE.join(data)
-            status = self.smtp_server.process_message(self.peer,
-                                                      self.mailfrom,
-                                                      self.rcpttos,
-                                                      self.received_data)
-            self.rcpttos = []
-            self.mailfrom = None
-            self.smtp_state = self.COMMAND
-            self.num_bytes = 0
-            self.set_terminator(b'\r\n')
+            self.received_data = self._newline.join(data)
+            args = (self.peer, self.mailfrom, self.rcpttos, self.received_data)
+            if self.require_SMTPUTF8:
+                status = self.smtp_server.process_smtputf8_message(*args)
+            else:
+                status = self.smtp_server.process_message(*args)
+            self._set_post_data_state()
             if not status:
                 self.push('250 OK')
             else:
@@ -355,26 +396,34 @@ class SMTPChannel(asynchat.async_chat):
         if not arg:
             self.push('501 Syntax: HELO hostname')
             return
+        # See issue #21783 for a discussion of this behavior.
         if self.seen_greeting:
             self.push('503 Duplicate HELO/EHLO')
-        else:
-            self.seen_greeting = arg
-            self.extended_smtp = False
-            self.push('250 %s' % self.fqdn)
+            return
+        self._set_rset_state()
+        self.seen_greeting = arg
+        self.push('250 %s' % self.fqdn)
 
     def smtp_EHLO(self, arg):
         if not arg:
             self.push('501 Syntax: EHLO hostname')
             return
+        # See issue #21783 for a discussion of this behavior.
         if self.seen_greeting:
             self.push('503 Duplicate HELO/EHLO')
-        else:
-            self.seen_greeting = arg
-            self.extended_smtp = True
-            self.push('250-%s' % self.fqdn)
-            if self.data_size_limit:
-                self.push('250-SIZE %s' % self.data_size_limit)
-            self.push('250 HELP')
+            return
+        self._set_rset_state()
+        self.seen_greeting = arg
+        self.extended_smtp = True
+        self.push('250-%s' % self.fqdn)
+        if self.data_size_limit:
+            self.push('250-SIZE %s' % self.data_size_limit)
+            self.command_size_limits['MAIL'] += 26
+        if self.enable_SMTPUTF8:
+            self.push('250-8BITMIME')
+            self.push('250-SMTPUTF8')
+            self.command_size_limits['MAIL'] += 10
+        self.push('250 HELP')
 
     def smtp_NOOP(self, arg):
         if arg:
@@ -407,8 +456,8 @@ class SMTPChannel(asynchat.async_chat):
     def _getparams(self, params):
         # Return any parameters that appear to be syntactically valid according
         # to RFC 1869, ignore all others.  (Postel rule: accept what we can.)
-        params = [param.split('=', 1) for param in params.split()
-                                      if '=' in param]
+        params = [param.split('=', 1) if '=' in param else (param, True)
+                  for param in params.split()]
         return {k: v for k, v in params if k.isalnum()}
 
     def smtp_HELP(self, arg):
@@ -483,6 +532,14 @@ class SMTPChannel(asynchat.async_chat):
         if params is None:
             self.push(syntaxerr)
             return
+        body = params.pop('BODY', '7BIT')
+        if self.enable_SMTPUTF8 and params.pop('SMTPUTF8', False):
+            if body != '8BITMIME':
+                self.push('501 Syntax: MAIL FROM: <address>'
+                          ' [BODY=8BITMIME SMTPUTF8]')
+                return
+            else:
+                self.require_SMTPUTF8 = True
         size = params.pop('SIZE', None)
         if size:
             if not size.isdigit():
@@ -537,11 +594,7 @@ class SMTPChannel(asynchat.async_chat):
         if arg:
             self.push('501 Syntax: RSET')
             return
-        # Resets the sender, recipients, and data, but not the greeting
-        self.mailfrom = None
-        self.rcpttos = []
-        self.received_data = ''
-        self.smtp_state = self.COMMAND
+        self._set_rset_state()
         self.push('250 OK')
 
     def smtp_DATA(self, arg):
@@ -568,13 +621,29 @@ class SMTPServer(asyncore.dispatcher):
     channel_class = SMTPChannel
 
     def __init__(self, localaddr, remoteaddr,
-                 data_size_limit=DATA_SIZE_DEFAULT, map=None):
+                 data_size_limit=DATA_SIZE_DEFAULT, map=None,
+                 enable_SMTPUTF8=False, decode_data=None):
         self._localaddr = localaddr
         self._remoteaddr = remoteaddr
         self.data_size_limit = data_size_limit
+        self.enable_SMTPUTF8 = enable_SMTPUTF8
+        if enable_SMTPUTF8:
+            if decode_data:
+                raise ValueError("The decode_data and enable_SMTPUTF8"
+                                 " parameters cannot be set to True at the"
+                                 " same time.")
+            decode_data = False
+        if decode_data is None:
+            warn("The decode_data default of True will change to False in 3.6;"
+                 " specify an explicit value for this keyword",
+                 DeprecationWarning, 2)
+            decode_data = True
+        self._decode_data = decode_data
         asyncore.dispatcher.__init__(self, map=map)
         try:
-            self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
+            gai_results = socket.getaddrinfo(*localaddr,
+                                             type=socket.SOCK_STREAM)
+            self.create_socket(gai_results[0][0], gai_results[0][1])
             # try to re-use a server port if possible
             self.set_reuse_addr()
             self.bind(localaddr)
@@ -589,8 +658,13 @@ class SMTPServer(asyncore.dispatcher):
 
     def handle_accepted(self, conn, addr):
         print('Incoming connection from %s' % repr(addr), file=DEBUGSTREAM)
-        channel = self.channel_class(self, conn, addr, self.data_size_limit,
-                                     self._map)
+        channel = self.channel_class(self,
+                                     conn,
+                                     addr,
+                                     self.data_size_limit,
+                                     self._map,
+                                     self.enable_SMTPUTF8,
+                                     self._decode_data)
 
     # API for "doing something useful with the message"
     def process_message(self, peer, mailfrom, rcpttos, data):
@@ -611,29 +685,63 @@ class SMTPServer(asyncore.dispatcher):
         containing a `.' followed by other text has had the leading dot
         removed.
 
-        This function should return None, for a normal `250 Ok' response;
-        otherwise it returns the desired response string in RFC 821 format.
+        This function should return None for a normal `250 Ok' response;
+        otherwise, it should return the desired response string in RFC 821
+        format.
+
+        """
+        raise NotImplementedError
+
+    # API for processing messeges needing Unicode support (RFC 6531, RFC 6532).
+    def process_smtputf8_message(self, peer, mailfrom, rcpttos, data):
+        """Same as ``process_message`` but for messages for which the client
+        has sent the SMTPUTF8 parameter with the MAIL command (see the
+        enable_SMTPUTF8 parameter of the constructor).
+
+        This function should return None for a normal `250 Ok' response;
+        otherwise, it should return the desired response string in RFC 6531
+        format.
 
         """
         raise NotImplementedError
 
 
 class DebuggingServer(SMTPServer):
-    # Do something with the gathered message
-    def process_message(self, peer, mailfrom, rcpttos, data):
+
+    def _print_message_content(self, peer, data):
         inheaders = 1
-        lines = data.split('\n')
-        print('---------- MESSAGE FOLLOWS ----------')
+        lines = data.splitlines()
         for line in lines:
             # headers first
             if inheaders and not line:
-                print('X-Peer:', peer[0])
+                peerheader = 'X-Peer: ' + peer[0]
+                if not isinstance(data, str):
+                    # decoded_data=false; make header match other binary output
+                    peerheader = repr(peerheader.encode('utf-8'))
+                print(peerheader)
                 inheaders = 0
+            if not isinstance(data, str):
+                # Avoid spurious 'str on bytes instance' warning.
+                line = repr(line)
             print(line)
+
+    def process_message(self, peer, mailfrom, rcpttos, data):
+        print('---------- MESSAGE FOLLOWS ----------')
+        self._print_message_content(peer, data)
+        print('------------ END MESSAGE ------------')
+
+    def process_smtputf8_message(self, peer, mailfrom, rcpttos, data):
+        print('----- SMTPUTF8 MESSAGE FOLLOWS ------')
+        self._print_message_content(peer, data)
         print('------------ END MESSAGE ------------')
 
 
 class PureProxy(SMTPServer):
+    def __init__(self, *args, **kwargs):
+        if 'enable_SMTPUTF8' in kwargs and kwargs['enable_SMTPUTF8']:
+            raise ValueError("PureProxy does not support SMTPUTF8.")
+        super(PureProxy, self).__init__(*args, **kwargs)
+
     def process_message(self, peer, mailfrom, rcpttos, data):
         lines = data.split('\n')
         # Look for the last header
@@ -674,6 +782,11 @@ class PureProxy(SMTPServer):
 
 
 class MailmanProxy(PureProxy):
+    def __init__(self, *args, **kwargs):
+        if 'enable_SMTPUTF8' in kwargs and kwargs['enable_SMTPUTF8']:
+            raise ValueError("MailmanProxy does not support SMTPUTF8.")
+        super(PureProxy, self).__init__(*args, **kwargs)
+
     def process_message(self, peer, mailfrom, rcpttos, data):
         from io import StringIO
         from Mailman import Utils
@@ -752,17 +865,19 @@ class MailmanProxy(PureProxy):
 
 
 class Options:
-    setuid = 1
+    setuid = True
     classname = 'PureProxy'
     size_limit = None
+    enable_SMTPUTF8 = False
 
 
 def parseargs():
     global DEBUGSTREAM
     try:
         opts, args = getopt.getopt(
-            sys.argv[1:], 'nVhc:s:d',
-            ['class=', 'nosetuid', 'version', 'help', 'size=', 'debug'])
+            sys.argv[1:], 'nVhc:s:du',
+            ['class=', 'nosetuid', 'version', 'help', 'size=', 'debug',
+             'smtputf8'])
     except getopt.error as e:
         usage(1, e)
 
@@ -774,11 +889,13 @@ def parseargs():
             print(__version__)
             sys.exit(0)
         elif opt in ('-n', '--nosetuid'):
-            options.setuid = 0
+            options.setuid = False
         elif opt in ('-c', '--class'):
             options.classname = arg
         elif opt in ('-d', '--debug'):
             DEBUGSTREAM = sys.stderr
+        elif opt in ('-u', '--smtputf8'):
+            options.enable_SMTPUTF8 = True
         elif opt in ('-s', '--size'):
             try:
                 int_size = int(arg)
@@ -833,7 +950,7 @@ if __name__ == '__main__':
     class_ = getattr(mod, classname)
     proxy = class_((options.localhost, options.localport),
                    (options.remotehost, options.remoteport),
-                   options.size_limit)
+                   options.size_limit, enable_SMTPUTF8=options.enable_SMTPUTF8)
     if options.setuid:
         try:
             import pwd
diff --git a/Lib/smtplib.py b/Lib/smtplib.py
index db23ff0..7f49f23 100755
--- a/Lib/smtplib.py
+++ b/Lib/smtplib.py
@@ -50,8 +50,9 @@ import email.generator
 import base64
 import hmac
 import copy
+import datetime
+import sys
 from email.base64mime import body_encode as encode_base64
-from sys import stderr
 
 __all__ = ["SMTPException", "SMTPServerDisconnected", "SMTPResponseException",
            "SMTPSenderRefused", "SMTPRecipientsRefused", "SMTPDataError",
@@ -282,12 +283,17 @@ class SMTP:
         """
         self.debuglevel = debuglevel
 
+    def _print_debug(self, *args):
+        if self.debuglevel > 1:
+            print(datetime.datetime.now().time(), *args, file=sys.stderr)
+        else:
+            print(*args, file=sys.stderr)
+
     def _get_socket(self, host, port, timeout):
         # This makes it simpler for SMTP_SSL to use the SMTP connect code
         # and just alter the socket connection bit.
         if self.debuglevel > 0:
-            print('connect: to', (host, port), self.source_address,
-                                 file=stderr)
+            self._print_debug('connect: to', (host, port), self.source_address)
         return socket.create_connection((host, port), timeout,
                                         self.source_address)
 
@@ -317,18 +323,18 @@ class SMTP:
         if not port:
             port = self.default_port
         if self.debuglevel > 0:
-            print('connect:', (host, port), file=stderr)
+            self._print_debug('connect:', (host, port))
         self.sock = self._get_socket(host, port, self.timeout)
         self.file = None
         (code, msg) = self.getreply()
         if self.debuglevel > 0:
-            print("connect:", msg, file=stderr)
+            self._print_debug('connect:', repr(msg))
         return (code, msg)
 
     def send(self, s):
         """Send `s' to the server."""
         if self.debuglevel > 0:
-            print('send:', repr(s), file=stderr)
+            self._print_debug('send:', repr(s))
         if hasattr(self, 'sock') and self.sock:
             if isinstance(s, str):
                 s = s.encode("ascii")
@@ -375,7 +381,7 @@ class SMTP:
                 self.close()
                 raise SMTPServerDisconnected("Connection unexpectedly closed")
             if self.debuglevel > 0:
-                print('reply:', repr(line), file=stderr)
+                self._print_debug('reply:', repr(line))
             if len(line) > _MAXLINE:
                 self.close()
                 raise SMTPResponseException(500, "Line too long.")
@@ -394,8 +400,7 @@ class SMTP:
 
         errmsg = b"\n".join(resp)
         if self.debuglevel > 0:
-            print('reply: retcode (%s); Msg: %s' % (errcode, errmsg),
-                                                    file=stderr)
+            self._print_debug('reply: retcode (%s); Msg: %a' % (errcode, errmsg))
         return errcode, errmsg
 
     def docmd(self, cmd, args=""):
@@ -524,7 +529,7 @@ class SMTP:
         self.putcmd("data")
         (code, repl) = self.getreply()
         if self.debuglevel > 0:
-            print("data:", (code, repl), file=stderr)
+            self._print_debug('data:', (code, repl))
         if code != 354:
             raise SMTPDataError(code, repl)
         else:
@@ -537,7 +542,7 @@ class SMTP:
             self.send(q)
             (code, msg) = self.getreply()
             if self.debuglevel > 0:
-                print("data:", (code, msg), file=stderr)
+                self._print_debug('data:', (code, msg))
             return (code, msg)
 
     def verify(self, address):
@@ -571,12 +576,60 @@ class SMTP:
                 if not (200 <= code <= 299):
                     raise SMTPHeloError(code, resp)
 
+    def auth(self, mechanism, authobject):
+        """Authentication command - requires response processing.
+
+        'mechanism' specifies which authentication mechanism is to
+        be used - the valid values are those listed in the 'auth'
+        element of 'esmtp_features'.
+
+        'authobject' must be a callable object taking a single argument:
+
+                data = authobject(challenge)
+
+        It will be called to process the server's challenge response; the
+        challenge argument it is passed will be a bytes.  It should return
+        bytes data that will be base64 encoded and sent to the server.
+        """
+
+        mechanism = mechanism.upper()
+        (code, resp) = self.docmd("AUTH", mechanism)
+        # Server replies with 334 (challenge) or 535 (not supported)
+        if code == 334:
+            challenge = base64.decodebytes(resp)
+            response = encode_base64(
+                authobject(challenge).encode('ascii'), eol='')
+            (code, resp) = self.docmd(response)
+            if code in (235, 503):
+                return (code, resp)
+        raise SMTPAuthenticationError(code, resp)
+
+    def auth_cram_md5(self, challenge):
+        """ Authobject to use with CRAM-MD5 authentication. Requires self.user
+        and self.password to be set."""
+        return self.user + " " + hmac.HMAC(
+            self.password.encode('ascii'), challenge, 'md5').hexdigest()
+
+    def auth_plain(self, challenge):
+        """ Authobject to use with PLAIN authentication. Requires self.user and
+        self.password to be set."""
+        return "\0%s\0%s" % (self.user, self.password)
+
+    def auth_login(self, challenge):
+        """ Authobject to use with LOGIN authentication. Requires self.user and
+        self.password to be set."""
+        (code, resp) = self.docmd(
+            encode_base64(self.user.encode('ascii'), eol=''))
+        if code == 334:
+            return self.password
+        raise SMTPAuthenticationError(code, resp)
+
     def login(self, user, password):
         """Log in on an SMTP server that requires authentication.
 
         The arguments are:
-            - user:     The user name to authenticate with.
-            - password: The password for the authentication.
+            - user:         The user name to authenticate with.
+            - password:     The password for the authentication.
 
         If there has been no previous EHLO or HELO command this session, this
         method tries ESMTP EHLO first.
@@ -593,63 +646,40 @@ class SMTP:
                                   found.
         """
 
-        def encode_cram_md5(challenge, user, password):
-            challenge = base64.decodebytes(challenge)
-            response = user + " " + hmac.HMAC(password.encode('ascii'),
-                                              challenge, 'md5').hexdigest()
-            return encode_base64(response.encode('ascii'), eol='')
-
-        def encode_plain(user, password):
-            s = "\0%s\0%s" % (user, password)
-            return encode_base64(s.encode('ascii'), eol='')
-
-        AUTH_PLAIN = "PLAIN"
-        AUTH_CRAM_MD5 = "CRAM-MD5"
-        AUTH_LOGIN = "LOGIN"
-
         self.ehlo_or_helo_if_needed()
-
         if not self.has_extn("auth"):
             raise SMTPException("SMTP AUTH extension not supported by server.")
 
         # Authentication methods the server claims to support
         advertised_authlist = self.esmtp_features["auth"].split()
 
-        # List of authentication methods we support: from preferred to
-        # less preferred methods. Except for the purpose of testing the weaker
-        # ones, we prefer stronger methods like CRAM-MD5:
-        preferred_auths = [AUTH_CRAM_MD5, AUTH_PLAIN, AUTH_LOGIN]
+        # Authentication methods we can handle in our preferred order:
+        preferred_auths = ['CRAM-MD5', 'PLAIN', 'LOGIN']
 
-        # We try the authentication methods the server advertises, but only the
-        # ones *we* support. And in our preferred order.
-        authlist = [auth for auth in preferred_auths if auth in advertised_authlist]
+        # We try the supported authentications in our preferred order, if
+        # the server supports them.
+        authlist = [auth for auth in preferred_auths
+                    if auth in advertised_authlist]
         if not authlist:
             raise SMTPException("No suitable authentication method found.")
 
         # Some servers advertise authentication methods they don't really
         # support, so if authentication fails, we continue until we've tried
         # all methods.
+        self.user, self.password = user, password
         for authmethod in authlist:
-            if authmethod == AUTH_CRAM_MD5:
-                (code, resp) = self.docmd("AUTH", AUTH_CRAM_MD5)
-                if code == 334:
-                    (code, resp) = self.docmd(encode_cram_md5(resp, user, password))
-            elif authmethod == AUTH_PLAIN:
-                (code, resp) = self.docmd("AUTH",
-                    AUTH_PLAIN + " " + encode_plain(user, password))
-            elif authmethod == AUTH_LOGIN:
-                (code, resp) = self.docmd("AUTH",
-                    "%s %s" % (AUTH_LOGIN, encode_base64(user.encode('ascii'), eol='')))
-                if code == 334:
-                    (code, resp) = self.docmd(encode_base64(password.encode('ascii'), eol=''))
-
-            # 235 == 'Authentication successful'
-            # 503 == 'Error: already authenticated'
-            if code in (235, 503):
-                return (code, resp)
+            method_name = 'auth_' + authmethod.lower().replace('-', '_')
+            try:
+                (code, resp) = self.auth(authmethod, getattr(self, method_name))
+                # 235 == 'Authentication successful'
+                # 503 == 'Error: already authenticated'
+                if code in (235, 503):
+                    return (code, resp)
+            except SMTPAuthenticationError as e:
+                last_exception = e
 
-        # We could not login sucessfully. Return result of last attempt.
-        raise SMTPAuthenticationError(code, resp)
+        # We could not login successfully.  Return result of last attempt.
+        raise last_exception
 
     def starttls(self, keyfile=None, certfile=None, context=None):
         """Puts the connection to the SMTP server into TLS mode.
@@ -915,7 +945,7 @@ if _have_ssl:
 
         def _get_socket(self, host, port, timeout):
             if self.debuglevel > 0:
-                print('connect:', (host, port), file=stderr)
+                self._print_debug('connect:', (host, port))
             new_socket = socket.create_connection((host, port), timeout,
                     self.source_address)
             new_socket = self.context.wrap_socket(new_socket,
@@ -963,14 +993,14 @@ class LMTP(SMTP):
             self.sock.connect(host)
         except OSError:
             if self.debuglevel > 0:
-                print('connect fail:', host, file=stderr)
+                self._print_debug('connect fail:', host)
             if self.sock:
                 self.sock.close()
             self.sock = None
             raise
         (code, msg) = self.getreply()
         if self.debuglevel > 0:
-            print('connect:', msg, file=stderr)
+            self._print_debug('connect:', msg)
         return (code, msg)
 
 
diff --git a/Lib/sndhdr.py b/Lib/sndhdr.py
index 240e507..e5901ec 100644
--- a/Lib/sndhdr.py
+++ b/Lib/sndhdr.py
@@ -32,6 +32,11 @@ explicitly given directories.
 
 __all__ = ['what', 'whathdr']
 
+from collections import namedtuple
+
+SndHeaders = namedtuple('SndHeaders',
+                        'filetype framerate nchannels nframes sampwidth')
+
 def what(filename):
     """Guess the type of a sound file."""
     res = whathdr(filename)
@@ -45,7 +50,7 @@ def whathdr(filename):
         for tf in tests:
             res = tf(h, f)
             if res:
-                return res
+                return SndHeaders(*res)
         return None
 
 
diff --git a/Lib/socket.py b/Lib/socket.py
index 0045886..db34ab3 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -49,7 +49,7 @@ the setsockopt() and getsockopt() methods.
 import _socket
 from _socket import *
 
-import os, sys, io
+import os, sys, io, selectors
 from enum import IntEnum
 
 try:
@@ -69,6 +69,7 @@ __all__.extend(os._get_exports_list(_socket))
 # Note that _socket only knows about the integer values. The public interface
 # in this module understands the enums and translates them back from integers
 # where needed (e.g. .family property of a socket object).
+
 IntEnum._convert(
         'AddressFamily',
         __name__,
@@ -79,6 +80,10 @@ IntEnum._convert(
         __name__,
         lambda C: C.isupper() and C.startswith('SOCK_'))
 
+_LOCALHOST    = '127.0.0.1'
+_LOCALHOST_V6 = '::1'
+
+
 def _intenum_converter(value, enum_klass):
     """Convert a numeric family value to an IntEnum member.
 
@@ -112,6 +117,9 @@ if sys.platform.lower().startswith("win"):
     __all__.append("errorTab")
 
 
+class _GiveupOnSendfile(Exception): pass
+
+
 class socket(_socket.socket):
 
     """A subclass of _socket.socket adding the makefile() method."""
@@ -141,7 +149,7 @@ class socket(_socket.socket):
         closed = getattr(self, '_closed', False)
         s = "<%s.%s%s fd=%i, family=%s, type=%s, proto=%i" \
             % (self.__class__.__module__,
-               self.__class__.__name__,
+               self.__class__.__qualname__,
                " [closed]" if closed else "",
                self.fileno(),
                self.family,
@@ -235,6 +243,149 @@ class socket(_socket.socket):
         text.mode = mode
         return text
 
+    if hasattr(os, 'sendfile'):
+
+        def _sendfile_use_sendfile(self, file, offset=0, count=None):
+            self._check_sendfile_params(file, offset, count)
+            sockno = self.fileno()
+            try:
+                fileno = file.fileno()
+            except (AttributeError, io.UnsupportedOperation) as err:
+                raise _GiveupOnSendfile(err)  # not a regular file
+            try:
+                fsize = os.fstat(fileno).st_size
+            except OSError:
+                raise _GiveupOnSendfile(err)  # not a regular file
+            if not fsize:
+                return 0  # empty file
+            blocksize = fsize if not count else count
+
+            timeout = self.gettimeout()
+            if timeout == 0:
+                raise ValueError("non-blocking sockets are not supported")
+            # poll/select have the advantage of not requiring any
+            # extra file descriptor, contrarily to epoll/kqueue
+            # (also, they require a single syscall).
+            if hasattr(selectors, 'PollSelector'):
+                selector = selectors.PollSelector()
+            else:
+                selector = selectors.SelectSelector()
+            selector.register(sockno, selectors.EVENT_WRITE)
+
+            total_sent = 0
+            # localize variable access to minimize overhead
+            selector_select = selector.select
+            os_sendfile = os.sendfile
+            try:
+                while True:
+                    if timeout and not selector_select(timeout):
+                        raise _socket.timeout('timed out')
+                    if count:
+                        blocksize = count - total_sent
+                        if blocksize <= 0:
+                            break
+                    try:
+                        sent = os_sendfile(sockno, fileno, offset, blocksize)
+                    except BlockingIOError:
+                        if not timeout:
+                            # Block until the socket is ready to send some
+                            # data; avoids hogging CPU resources.
+                            selector_select()
+                        continue
+                    except OSError as err:
+                        if total_sent == 0:
+                            # We can get here for different reasons, the main
+                            # one being 'file' is not a regular mmap(2)-like
+                            # file, in which case we'll fall back on using
+                            # plain send().
+                            raise _GiveupOnSendfile(err)
+                        raise err from None
+                    else:
+                        if sent == 0:
+                            break  # EOF
+                        offset += sent
+                        total_sent += sent
+                return total_sent
+            finally:
+                if total_sent > 0 and hasattr(file, 'seek'):
+                    file.seek(offset)
+    else:
+        def _sendfile_use_sendfile(self, file, offset=0, count=None):
+            raise _GiveupOnSendfile(
+                "os.sendfile() not available on this platform")
+
+    def _sendfile_use_send(self, file, offset=0, count=None):
+        self._check_sendfile_params(file, offset, count)
+        if self.gettimeout() == 0:
+            raise ValueError("non-blocking sockets are not supported")
+        if offset:
+            file.seek(offset)
+        blocksize = min(count, 8192) if count else 8192
+        total_sent = 0
+        # localize variable access to minimize overhead
+        file_read = file.read
+        sock_send = self.send
+        try:
+            while True:
+                if count:
+                    blocksize = min(count - total_sent, blocksize)
+                    if blocksize <= 0:
+                        break
+                data = memoryview(file_read(blocksize))
+                if not data:
+                    break  # EOF
+                while True:
+                    try:
+                        sent = sock_send(data)
+                    except BlockingIOError:
+                        continue
+                    else:
+                        total_sent += sent
+                        if sent < len(data):
+                            data = data[sent:]
+                        else:
+                            break
+            return total_sent
+        finally:
+            if total_sent > 0 and hasattr(file, 'seek'):
+                file.seek(offset + total_sent)
+
+    def _check_sendfile_params(self, file, offset, count):
+        if 'b' not in getattr(file, 'mode', 'b'):
+            raise ValueError("file should be opened in binary mode")
+        if not self.type & SOCK_STREAM:
+            raise ValueError("only SOCK_STREAM type sockets are supported")
+        if count is not None:
+            if not isinstance(count, int):
+                raise TypeError(
+                    "count must be a positive integer (got {!r})".format(count))
+            if count <= 0:
+                raise ValueError(
+                    "count must be a positive integer (got {!r})".format(count))
+
+    def sendfile(self, file, offset=0, count=None):
+        """sendfile(file[, offset[, count]]) -> sent
+
+        Send a file until EOF is reached by using high-performance
+        os.sendfile() and return the total number of bytes which
+        were sent.
+        *file* must be a regular file object opened in binary mode.
+        If os.sendfile() is not available (e.g. Windows) or file is
+        not a regular file socket.send() will be used instead.
+        *offset* tells from where to start reading the file.
+        If specified, *count* is the total number of bytes to transmit
+        as opposed to sending the file until EOF is reached.
+        File position is updated on return or also in case of error in
+        which case file.tell() can be used to figure out the number of
+        bytes which were sent.
+        The socket must be of SOCK_STREAM type.
+        Non-blocking sockets are not supported.
+        """
+        try:
+            return self._sendfile_use_sendfile(file, offset, count)
+        except _GiveupOnSendfile:
+            return self._sendfile_use_send(file, offset, count)
+
     def _decref_socketios(self):
         if self._io_refs > 0:
             self._io_refs -= 1
@@ -325,6 +476,52 @@ if hasattr(_socket, "socketpair"):
         b = socket(family, type, proto, b.detach())
         return a, b
 
+else:
+
+    # Origin: https://gist.github.com/4325783, by Geert Jansen.  Public domain.
+    def socketpair(family=AF_INET, type=SOCK_STREAM, proto=0):
+        if family == AF_INET:
+            host = _LOCALHOST
+        elif family == AF_INET6:
+            host = _LOCALHOST_V6
+        else:
+            raise ValueError("Only AF_INET and AF_INET6 socket address families "
+                             "are supported")
+        if type != SOCK_STREAM:
+            raise ValueError("Only SOCK_STREAM socket type is supported")
+        if proto != 0:
+            raise ValueError("Only protocol zero is supported")
+
+        # We create a connected TCP socket. Note the trick with
+        # setblocking(False) that prevents us from having to create a thread.
+        lsock = socket(family, type, proto)
+        try:
+            lsock.bind((host, 0))
+            lsock.listen()
+            # On IPv6, ignore flow_info and scope_id
+            addr, port = lsock.getsockname()[:2]
+            csock = socket(family, type, proto)
+            try:
+                csock.setblocking(False)
+                try:
+                    csock.connect((addr, port))
+                except (BlockingIOError, InterruptedError):
+                    pass
+                csock.setblocking(True)
+                ssock, _ = lsock.accept()
+            except:
+                csock.close()
+                raise
+        finally:
+            lsock.close()
+        return (ssock, csock)
+
+socketpair.__doc__ = """socketpair([family[, type[, proto]]]) -> (socket object, socket object)
+Create a pair of socket objects from the sockets returned by the platform
+socketpair() function.
+The arguments are the same as for socket() except the default family is AF_UNIX
+if defined on the platform; otherwise, the default is AF_INET.
+"""
 
 _blocking_errnos = { EAGAIN, EWOULDBLOCK }
 
@@ -375,8 +572,6 @@ class SocketIO(io.RawIOBase):
             except timeout:
                 self._timeout_occurred = True
                 raise
-            except InterruptedError:
-                continue
             except error as e:
                 if e.args[0] in _blocking_errnos:
                     return None
diff --git a/Lib/socketserver.py b/Lib/socketserver.py
index 5cb89be..0ce8e81 100644
--- a/Lib/socketserver.py
+++ b/Lib/socketserver.py
@@ -94,7 +94,7 @@ handle() method.
 Another approach to handling multiple simultaneous requests in an
 environment that supports neither threads nor fork (or where these are
 too expensive or inappropriate for the service) is to maintain an
-explicit table of partially finished requests and to use select() to
+explicit table of partially finished requests and to use a selector to
 decide which request to work on next (or whether to handle a new
 incoming request).  This is particularly important for stream services
 where each client can potentially be connected for a long time (if
@@ -104,7 +104,6 @@ Future work:
 - Standard classes for Sun RPC (which uses either UDP or TCP)
 - Standard mix-in classes to implement various authentication
   and encryption schemes
-- Standard framework for select-based multiplexing
 
 XXX Open problems:
 - What to do with out-of-band data?
@@ -130,13 +129,14 @@ __version__ = "0.4"
 
 
 import socket
-import select
+import selectors
 import os
 import errno
 try:
     import threading
 except ImportError:
     import dummy_threading as threading
+from time import monotonic as time
 
 __all__ = ["BaseServer", "TCPServer", "UDPServer", "ForkingUDPServer",
            "ForkingTCPServer", "ThreadingUDPServer", "ThreadingTCPServer",
@@ -147,14 +147,13 @@ if hasattr(socket, "AF_UNIX"):
                     "ThreadingUnixStreamServer",
                     "ThreadingUnixDatagramServer"])
 
-def _eintr_retry(func, *args):
-    """restart a system call interrupted by EINTR"""
-    while True:
-        try:
-            return func(*args)
-        except OSError as e:
-            if e.errno != errno.EINTR:
-                raise
+# poll/select have the advantage of not requiring any extra file descriptor,
+# contrarily to epoll/kqueue (also, they require a single syscall).
+if hasattr(selectors, 'PollSelector'):
+    _ServerSelector = selectors.PollSelector
+else:
+    _ServerSelector = selectors.SelectSelector
+
 
 class BaseServer:
 
@@ -166,7 +165,7 @@ class BaseServer:
     - serve_forever(poll_interval=0.5)
     - shutdown()
     - handle_request()  # if you do not use serve_forever()
-    - fileno() -> int   # for select()
+    - fileno() -> int   # for selector
 
     Methods that may be overridden:
 
@@ -227,17 +226,19 @@ class BaseServer:
         """
         self.__is_shut_down.clear()
         try:
-            while not self.__shutdown_request:
-                # XXX: Consider using another file descriptor or
-                # connecting to the socket to wake this up instead of
-                # polling. Polling reduces our responsiveness to a
-                # shutdown request and wastes cpu at all other times.
-                r, w, e = _eintr_retry(select.select, [self], [], [],
-                                       poll_interval)
-                if self in r:
-                    self._handle_request_noblock()
-
-                self.service_actions()
+            # XXX: Consider using another file descriptor or connecting to the
+            # socket to wake this up instead of polling. Polling reduces our
+            # responsiveness to a shutdown request and wastes cpu at all other
+            # times.
+            with _ServerSelector() as selector:
+                selector.register(self, selectors.EVENT_READ)
+
+                while not self.__shutdown_request:
+                    ready = selector.select(poll_interval)
+                    if ready:
+                        self._handle_request_noblock()
+
+                    self.service_actions()
         finally:
             self.__shutdown_request = False
             self.__is_shut_down.set()
@@ -260,16 +261,16 @@ class BaseServer:
         """
         pass
 
-    # The distinction between handling, getting, processing and
-    # finishing a request is fairly arbitrary.  Remember:
+    # The distinction between handling, getting, processing and finishing a
+    # request is fairly arbitrary.  Remember:
     #
-    # - handle_request() is the top-level call.  It calls
-    #   select, get_request(), verify_request() and process_request()
+    # - handle_request() is the top-level call.  It calls selector.select(),
+    #   get_request(), verify_request() and process_request()
     # - get_request() is different for stream or datagram sockets
-    # - process_request() is the place that may fork a new process
-    #   or create a new thread to finish the request
-    # - finish_request() instantiates the request handler class;
-    #   this constructor will handle the request all by itself
+    # - process_request() is the place that may fork a new process or create a
+    #   new thread to finish the request
+    # - finish_request() instantiates the request handler class; this
+    #   constructor will handle the request all by itself
 
     def handle_request(self):
         """Handle one request, possibly blocking.
@@ -283,18 +284,30 @@ class BaseServer:
             timeout = self.timeout
         elif self.timeout is not None:
             timeout = min(timeout, self.timeout)
-        fd_sets = _eintr_retry(select.select, [self], [], [], timeout)
-        if not fd_sets[0]:
-            self.handle_timeout()
-            return
-        self._handle_request_noblock()
+        if timeout is not None:
+            deadline = time() + timeout
+
+        # Wait until a request arrives or the timeout expires - the loop is
+        # necessary to accommodate early wakeups due to EINTR.
+        with _ServerSelector() as selector:
+            selector.register(self, selectors.EVENT_READ)
+
+            while True:
+                ready = selector.select(timeout)
+                if ready:
+                    return self._handle_request_noblock()
+                else:
+                    if timeout is not None:
+                        timeout = deadline - time()
+                        if timeout < 0:
+                            return self.handle_timeout()
 
     def _handle_request_noblock(self):
         """Handle one request, without blocking.
 
-        I assume that select.select has returned that the socket is
-        readable before this function was called, so there should be
-        no risk of blocking in get_request().
+        I assume that selector.select() has returned that the socket is
+        readable before this function was called, so there should be no risk of
+        blocking in get_request().
         """
         try:
             request, client_address = self.get_request()
@@ -377,7 +390,7 @@ class TCPServer(BaseServer):
     - serve_forever(poll_interval=0.5)
     - shutdown()
     - handle_request()  # if you don't use serve_forever()
-    - fileno() -> int   # for select()
+    - fileno() -> int   # for selector
 
     Methods that may be overridden:
 
@@ -463,7 +476,7 @@ class TCPServer(BaseServer):
     def fileno(self):
         """Return socket file number.
 
-        Interface required by select().
+        Interface required by selector.
 
         """
         return self.socket.fileno()
@@ -540,8 +553,6 @@ class ForkingMixIn:
             try:
                 pid, _ = os.waitpid(-1, 0)
                 self.active_children.discard(pid)
-            except InterruptedError:
-                pass
             except ChildProcessError:
                 # we don't have any children, we're done
                 self.active_children.clear()
diff --git a/Lib/sqlite3/test/factory.py b/Lib/sqlite3/test/factory.py
index 98dcae5..3d4eb0b 100644
--- a/Lib/sqlite3/test/factory.py
+++ b/Lib/sqlite3/test/factory.py
@@ -111,6 +111,24 @@ class RowFactoryTests(unittest.TestCase):
         with self.assertRaises(IndexError):
             row[2**1000]
 
+    def CheckSqliteRowSlice(self):
+        # A sqlite.Row can be sliced like a list.
+        self.con.row_factory = sqlite.Row
+        row = self.con.execute("select 1, 2, 3, 4").fetchone()
+        self.assertEqual(row[0:0], ())
+        self.assertEqual(row[0:1], (1,))
+        self.assertEqual(row[1:3], (2, 3))
+        self.assertEqual(row[3:1], ())
+        # Explicit bounds are optional.
+        self.assertEqual(row[1:], (2, 3, 4))
+        self.assertEqual(row[:3], (1, 2, 3))
+        # Slices can use negative indices.
+        self.assertEqual(row[-2:-1], (3,))
+        self.assertEqual(row[-2:], (3, 4))
+        # Slicing supports steps.
+        self.assertEqual(row[0:4:2], (1, 3))
+        self.assertEqual(row[3:0:-2], (4, 2))
+
     def CheckSqliteRowIter(self):
         """Checks if the row object is iterable"""
         self.con.row_factory = sqlite.Row
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 550ea15..502b061 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -13,19 +13,13 @@
 import _sre
 import sre_parse
 from sre_constants import *
-from _sre import MAXREPEAT
 
 assert _sre.MAGIC == MAGIC, "SRE module mismatch"
 
-if _sre.CODESIZE == 2:
-    MAXCODE = 65535
-else:
-    MAXCODE = 0xFFFFFFFF
-
-_LITERAL_CODES = set([LITERAL, NOT_LITERAL])
-_REPEATING_CODES = set([REPEAT, MIN_REPEAT, MAX_REPEAT])
-_SUCCESS_CODES = set([SUCCESS, FAILURE])
-_ASSERT_CODES = set([ASSERT, ASSERT_NOT])
+_LITERAL_CODES = {LITERAL, NOT_LITERAL}
+_REPEATING_CODES = {REPEAT, MIN_REPEAT, MAX_REPEAT}
+_SUCCESS_CODES = {SUCCESS, FAILURE}
+_ASSERT_CODES = {ASSERT, ASSERT_NOT}
 
 # Sets of lowercase characters which have the same uppercase.
 _equivalences = (
@@ -86,75 +80,75 @@ def _compile(code, pattern, flags):
             if flags & SRE_FLAG_IGNORECASE:
                 lo = _sre.getlower(av, flags)
                 if fixes and lo in fixes:
-                    emit(OPCODES[IN_IGNORE])
+                    emit(IN_IGNORE)
                     skip = _len(code); emit(0)
                     if op is NOT_LITERAL:
-                        emit(OPCODES[NEGATE])
+                        emit(NEGATE)
                     for k in (lo,) + fixes[lo]:
-                        emit(OPCODES[LITERAL])
+                        emit(LITERAL)
                         emit(k)
-                    emit(OPCODES[FAILURE])
+                    emit(FAILURE)
                     code[skip] = _len(code) - skip
                 else:
-                    emit(OPCODES[OP_IGNORE[op]])
+                    emit(OP_IGNORE[op])
                     emit(lo)
             else:
-                emit(OPCODES[op])
+                emit(op)
                 emit(av)
         elif op is IN:
             if flags & SRE_FLAG_IGNORECASE:
-                emit(OPCODES[OP_IGNORE[op]])
+                emit(OP_IGNORE[op])
                 def fixup(literal, flags=flags):
                     return _sre.getlower(literal, flags)
             else:
-                emit(OPCODES[op])
+                emit(op)
                 fixup = None
             skip = _len(code); emit(0)
             _compile_charset(av, flags, code, fixup, fixes)
             code[skip] = _len(code) - skip
         elif op is ANY:
             if flags & SRE_FLAG_DOTALL:
-                emit(OPCODES[ANY_ALL])
+                emit(ANY_ALL)
             else:
-                emit(OPCODES[ANY])
+                emit(ANY)
         elif op in REPEATING_CODES:
             if flags & SRE_FLAG_TEMPLATE:
-                raise error("internal: unsupported template operator")
+                raise error("internal: unsupported template operator %r" % (op,))
             elif _simple(av) and op is not REPEAT:
                 if op is MAX_REPEAT:
-                    emit(OPCODES[REPEAT_ONE])
+                    emit(REPEAT_ONE)
                 else:
-                    emit(OPCODES[MIN_REPEAT_ONE])
+                    emit(MIN_REPEAT_ONE)
                 skip = _len(code); emit(0)
                 emit(av[0])
                 emit(av[1])
                 _compile(code, av[2], flags)
-                emit(OPCODES[SUCCESS])
+                emit(SUCCESS)
                 code[skip] = _len(code) - skip
             else:
-                emit(OPCODES[REPEAT])
+                emit(REPEAT)
                 skip = _len(code); emit(0)
                 emit(av[0])
                 emit(av[1])
                 _compile(code, av[2], flags)
                 code[skip] = _len(code) - skip
                 if op is MAX_REPEAT:
-                    emit(OPCODES[MAX_UNTIL])
+                    emit(MAX_UNTIL)
                 else:
-                    emit(OPCODES[MIN_UNTIL])
+                    emit(MIN_UNTIL)
         elif op is SUBPATTERN:
             if av[0]:
-                emit(OPCODES[MARK])
+                emit(MARK)
                 emit((av[0]-1)*2)
             # _compile_info(code, av[1], flags)
             _compile(code, av[1], flags)
             if av[0]:
-                emit(OPCODES[MARK])
+                emit(MARK)
                 emit((av[0]-1)*2+1)
         elif op in SUCCESS_CODES:
-            emit(OPCODES[op])
+            emit(op)
         elif op in ASSERT_CODES:
-            emit(OPCODES[op])
+            emit(op)
             skip = _len(code); emit(0)
             if av[0] >= 0:
                 emit(0) # look ahead
@@ -164,57 +158,57 @@ def _compile(code, pattern, flags):
                     raise error("look-behind requires fixed-width pattern")
                 emit(lo) # look behind
             _compile(code, av[1], flags)
-            emit(OPCODES[SUCCESS])
+            emit(SUCCESS)
             code[skip] = _len(code) - skip
         elif op is CALL:
-            emit(OPCODES[op])
+            emit(op)
             skip = _len(code); emit(0)
             _compile(code, av, flags)
-            emit(OPCODES[SUCCESS])
+            emit(SUCCESS)
             code[skip] = _len(code) - skip
         elif op is AT:
-            emit(OPCODES[op])
+            emit(op)
             if flags & SRE_FLAG_MULTILINE:
                 av = AT_MULTILINE.get(av, av)
             if flags & SRE_FLAG_LOCALE:
                 av = AT_LOCALE.get(av, av)
             elif flags & SRE_FLAG_UNICODE:
                 av = AT_UNICODE.get(av, av)
-            emit(ATCODES[av])
+            emit(av)
         elif op is BRANCH:
-            emit(OPCODES[op])
+            emit(op)
             tail = []
             tailappend = tail.append
             for av in av[1]:
                 skip = _len(code); emit(0)
                 # _compile_info(code, av, flags)
                 _compile(code, av, flags)
-                emit(OPCODES[JUMP])
+                emit(JUMP)
                 tailappend(_len(code)); emit(0)
                 code[skip] = _len(code) - skip
-            emit(0) # end of branch
+            emit(FAILURE) # end of branch
             for tail in tail:
                 code[tail] = _len(code) - tail
         elif op is CATEGORY:
-            emit(OPCODES[op])
+            emit(op)
             if flags & SRE_FLAG_LOCALE:
                 av = CH_LOCALE[av]
             elif flags & SRE_FLAG_UNICODE:
                 av = CH_UNICODE[av]
-            emit(CHCODES[av])
+            emit(av)
         elif op is GROUPREF:
             if flags & SRE_FLAG_IGNORECASE:
-                emit(OPCODES[OP_IGNORE[op]])
+                emit(OP_IGNORE[op])
             else:
-                emit(OPCODES[op])
+                emit(op)
             emit(av-1)
         elif op is GROUPREF_EXISTS:
-            emit(OPCODES[op])
+            emit(op)
             emit(av[0]-1)
             skipyes = _len(code); emit(0)
             _compile(code, av[1], flags)
             if av[2]:
-                emit(OPCODES[JUMP])
+                emit(JUMP)
                 skipno = _len(code); emit(0)
                 code[skipyes] = _len(code) - skipyes + 1
                 _compile(code, av[2], flags)
@@ -222,19 +216,18 @@ def _compile(code, pattern, flags):
             else:
                 code[skipyes] = _len(code) - skipyes + 1
         else:
-            raise ValueError("unsupported operand type", op)
+            raise error("internal: unsupported operand type %r" % (op,))
 
 def _compile_charset(charset, flags, code, fixup=None, fixes=None):
     # compile charset subprogram
     emit = code.append
-    for op, av in _optimize_charset(charset, fixup, fixes,
-                                    flags & SRE_FLAG_UNICODE):
-        emit(OPCODES[op])
+    for op, av in _optimize_charset(charset, fixup, fixes):
+        emit(op)
         if op is NEGATE:
             pass
         elif op is LITERAL:
             emit(av)
-        elif op is RANGE:
+        elif op is RANGE or op is RANGE_IGNORE:
             emit(av[0])
             emit(av[1])
         elif op is CHARSET:
@@ -243,16 +236,16 @@ def _compile_charset(charset, flags, code, fixup=None, fixes=None):
             code.extend(av)
         elif op is CATEGORY:
             if flags & SRE_FLAG_LOCALE:
-                emit(CHCODES[CH_LOCALE[av]])
+                emit(CH_LOCALE[av])
             elif flags & SRE_FLAG_UNICODE:
-                emit(CHCODES[CH_UNICODE[av]])
+                emit(CH_UNICODE[av])
             else:
-                emit(CHCODES[av])
+                emit(av)
         else:
-            raise error("internal: unsupported set operator")
-    emit(OPCODES[FAILURE])
+            raise error("internal: unsupported set operator %r" % (op,))
+    emit(FAILURE)
 
-def _optimize_charset(charset, fixup, fixes, isunicode):
+def _optimize_charset(charset, fixup, fixes):
     # internal: optimize character set
     out = []
     tail = []
@@ -262,10 +255,10 @@ def _optimize_charset(charset, fixup, fixes, isunicode):
             try:
                 if op is LITERAL:
                     if fixup:
-                        i = fixup(av)
-                        charmap[i] = 1
-                        if fixes and i in fixes:
-                            for k in fixes[i]:
+                        lo = fixup(av)
+                        charmap[lo] = 1
+                        if fixes and lo in fixes:
+                            for k in fixes[lo]:
                                 charmap[k] = 1
                     else:
                         charmap[av] = 1
@@ -291,21 +284,13 @@ def _optimize_charset(charset, fixup, fixes, isunicode):
                     # character set contains non-UCS1 character codes
                     charmap += b'\0' * 0xff00
                     continue
-                # character set contains non-BMP character codes
-                if fixup and isunicode and op is RANGE:
-                    lo, hi = av
-                    ranges = [av]
-                    # There are only two ranges of cased astral characters:
-                    # 10400-1044F (Deseret) and 118A0-118DF (Warang Citi).
-                    _fixup_range(max(0x10000, lo), min(0x11fff, hi),
-                                 ranges, fixup)
-                    for lo, hi in ranges:
-                        if lo == hi:
-                            tail.append((LITERAL, hi))
-                        else:
-                            tail.append((RANGE, (lo, hi)))
-                else:
-                    tail.append((op, av))
+                # Character set contains non-BMP character codes.
+                # There are only two ranges of cased non-BMP characters:
+                # 10400-1044F (Deseret) and 118A0-118DF (Warang Citi),
+                # and for both ranges RANGE_IGNORE works.
+                if fixup and op is RANGE:
+                    op = RANGE_IGNORE
+                tail.append((op, av))
             break
 
     # compress character map
@@ -383,25 +368,8 @@ def _optimize_charset(charset, fixup, fixes, isunicode):
     out += tail
     return out
 
-def _fixup_range(lo, hi, ranges, fixup):
-    for i in map(fixup, range(lo, hi+1)):
-        for k, (lo, hi) in enumerate(ranges):
-            if i < lo:
-                if l == lo - 1:
-                    ranges[k] = (i, hi)
-                else:
-                    ranges.insert(k, (i, i))
-                break
-            elif i > hi:
-                if i == hi + 1:
-                    ranges[k] = (lo, i)
-                    break
-            else:
-                break
-        else:
-            ranges.append((i, i))
-
 _CODEBITS = _sre.CODESIZE * 8
+MAXCODE = (1 << _CODEBITS) - 1
 _BITS_TRANS = b'0' + b'1' * 255
 def _mk_bitmap(bits, _CODEBITS=_CODEBITS, _int=int):
     s = bits.translate(_BITS_TRANS)[::-1]
@@ -446,8 +414,11 @@ def _compile_info(code, pattern, flags):
     # this contains min/max pattern width, and an optional literal
     # prefix or a character map
     lo, hi = pattern.getwidth()
+    if hi > MAXCODE:
+        hi = MAXCODE
     if lo == 0:
-        return # not worth it
+        code.extend([INFO, 4, 0, lo, hi])
+        return
     # look for a literal prefix
     prefix = []
     prefixappend = prefix.append
@@ -505,21 +476,21 @@ def _compile_info(code, pattern, flags):
             elif op is IN:
                 charset = av
 ##     if prefix:
-##         print "*** PREFIX", prefix, prefix_skip
+##         print("*** PREFIX", prefix, prefix_skip)
 ##     if charset:
-##         print "*** CHARSET", charset
+##         print("*** CHARSET", charset)
     # add an info block
     emit = code.append
-    emit(OPCODES[INFO])
+    emit(INFO)
     skip = len(code); emit(0)
     # literal flag
     mask = 0
     if prefix:
         mask = SRE_INFO_PREFIX
         if len(prefix) == prefix_skip == len(pattern.data):
-            mask = mask + SRE_INFO_LITERAL
+            mask = mask | SRE_INFO_LITERAL
     elif charset:
-        mask = mask + SRE_INFO_CHARSET
+        mask = mask | SRE_INFO_CHARSET
     emit(mask)
     # pattern length
     if lo < MAXCODE:
@@ -527,10 +498,7 @@ def _compile_info(code, pattern, flags):
     else:
         emit(MAXCODE)
         prefix = prefix[:MAXCODE]
-    if hi < MAXCODE:
-        emit(hi)
-    else:
-        emit(0)
+    emit(min(hi, MAXCODE))
     # add literal prefix
     if prefix:
         emit(len(prefix)) # length
@@ -556,7 +524,7 @@ def _code(p, flags):
     # compile the pattern
     _compile(code, p.data, flags)
 
-    code.append(OPCODES[SUCCESS])
+    code.append(SUCCESS)
 
     return code
 
@@ -571,13 +539,7 @@ def compile(p, flags=0):
 
     code = _code(p, flags)
 
-    # print code
-
-    # XXX: <fl> get rid of this limitation!
-    if p.pattern.groups > 100:
-        raise AssertionError(
-            "sorry, but this version only supports 100 named groups"
-            )
+    # print(code)
 
     # map in either direction
     groupindex = p.pattern.groupdict
diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py
index 23e3516..fc684ae 100644
--- a/Lib/sre_constants.py
+++ b/Lib/sre_constants.py
@@ -13,153 +13,115 @@
 
 # update when constants are added or removed
 
-MAGIC = 20031017
+MAGIC = 20140917
 
-from _sre import MAXREPEAT
+from _sre import MAXREPEAT, MAXGROUPS
 
 # SRE standard exception (access as sre.error)
 # should this really be here?
 
 class error(Exception):
-    pass
+    def __init__(self, msg, pattern=None, pos=None):
+        self.msg = msg
+        self.pattern = pattern
+        self.pos = pos
+        if pattern is not None and pos is not None:
+            msg = '%s at position %d' % (msg, pos)
+            if isinstance(pattern, str):
+                newline = '\n'
+            else:
+                newline = b'\n'
+            self.lineno = pattern.count(newline, 0, pos) + 1
+            self.colno = pos - pattern.rfind(newline, 0, pos)
+            if newline in pattern:
+                msg = '%s (line %d, column %d)' % (msg, self.lineno, self.colno)
+        else:
+            self.lineno = self.colno = None
+        super().__init__(msg)
+
+
+class _NamedIntConstant(int):
+    def __new__(cls, value, name):
+        self = super(_NamedIntConstant, cls).__new__(cls, value)
+        self.name = name
+        return self
+
+    def __str__(self):
+        return self.name
+
+    __repr__ = __str__
+
+MAXREPEAT = _NamedIntConstant(MAXREPEAT, 'MAXREPEAT')
+
+def _makecodes(names):
+    names = names.strip().split()
+    items = [_NamedIntConstant(i, name) for i, name in enumerate(names)]
+    globals().update({item.name: item for item in items})
+    return items
 
 # operators
+# failure=0 success=1 (just because it looks better that way :-)
+OPCODES = _makecodes("""
+    FAILURE SUCCESS
+
+    ANY ANY_ALL
+    ASSERT ASSERT_NOT
+    AT
+    BRANCH
+    CALL
+    CATEGORY
+    CHARSET BIGCHARSET
+    GROUPREF GROUPREF_EXISTS GROUPREF_IGNORE
+    IN IN_IGNORE
+    INFO
+    JUMP
+    LITERAL LITERAL_IGNORE
+    MARK
+    MAX_UNTIL
+    MIN_UNTIL
+    NOT_LITERAL NOT_LITERAL_IGNORE
+    NEGATE
+    RANGE
+    REPEAT
+    REPEAT_ONE
+    SUBPATTERN
+    MIN_REPEAT_ONE
+    RANGE_IGNORE
 
-FAILURE = "failure"
-SUCCESS = "success"
-
-ANY = "any"
-ANY_ALL = "any_all"
-ASSERT = "assert"
-ASSERT_NOT = "assert_not"
-AT = "at"
-BIGCHARSET = "bigcharset"
-BRANCH = "branch"
-CALL = "call"
-CATEGORY = "category"
-CHARSET = "charset"
-GROUPREF = "groupref"
-GROUPREF_IGNORE = "groupref_ignore"
-GROUPREF_EXISTS = "groupref_exists"
-IN = "in"
-IN_IGNORE = "in_ignore"
-INFO = "info"
-JUMP = "jump"
-LITERAL = "literal"
-LITERAL_IGNORE = "literal_ignore"
-MARK = "mark"
-MAX_REPEAT = "max_repeat"
-MAX_UNTIL = "max_until"
-MIN_REPEAT = "min_repeat"
-MIN_UNTIL = "min_until"
-NEGATE = "negate"
-NOT_LITERAL = "not_literal"
-NOT_LITERAL_IGNORE = "not_literal_ignore"
-RANGE = "range"
-REPEAT = "repeat"
-REPEAT_ONE = "repeat_one"
-SUBPATTERN = "subpattern"
-MIN_REPEAT_ONE = "min_repeat_one"
+    MIN_REPEAT MAX_REPEAT
+""")
+del OPCODES[-2:] # remove MIN_REPEAT and MAX_REPEAT
 
 # positions
-AT_BEGINNING = "at_beginning"
-AT_BEGINNING_LINE = "at_beginning_line"
-AT_BEGINNING_STRING = "at_beginning_string"
-AT_BOUNDARY = "at_boundary"
-AT_NON_BOUNDARY = "at_non_boundary"
-AT_END = "at_end"
-AT_END_LINE = "at_end_line"
-AT_END_STRING = "at_end_string"
-AT_LOC_BOUNDARY = "at_loc_boundary"
-AT_LOC_NON_BOUNDARY = "at_loc_non_boundary"
-AT_UNI_BOUNDARY = "at_uni_boundary"
-AT_UNI_NON_BOUNDARY = "at_uni_non_boundary"
+ATCODES = _makecodes("""
+    AT_BEGINNING AT_BEGINNING_LINE AT_BEGINNING_STRING
+    AT_BOUNDARY AT_NON_BOUNDARY
+    AT_END AT_END_LINE AT_END_STRING
+    AT_LOC_BOUNDARY AT_LOC_NON_BOUNDARY
+    AT_UNI_BOUNDARY AT_UNI_NON_BOUNDARY
+""")
 
 # categories
-CATEGORY_DIGIT = "category_digit"
-CATEGORY_NOT_DIGIT = "category_not_digit"
-CATEGORY_SPACE = "category_space"
-CATEGORY_NOT_SPACE = "category_not_space"
-CATEGORY_WORD = "category_word"
-CATEGORY_NOT_WORD = "category_not_word"
-CATEGORY_LINEBREAK = "category_linebreak"
-CATEGORY_NOT_LINEBREAK = "category_not_linebreak"
-CATEGORY_LOC_WORD = "category_loc_word"
-CATEGORY_LOC_NOT_WORD = "category_loc_not_word"
-CATEGORY_UNI_DIGIT = "category_uni_digit"
-CATEGORY_UNI_NOT_DIGIT = "category_uni_not_digit"
-CATEGORY_UNI_SPACE = "category_uni_space"
-CATEGORY_UNI_NOT_SPACE = "category_uni_not_space"
-CATEGORY_UNI_WORD = "category_uni_word"
-CATEGORY_UNI_NOT_WORD = "category_uni_not_word"
-CATEGORY_UNI_LINEBREAK = "category_uni_linebreak"
-CATEGORY_UNI_NOT_LINEBREAK = "category_uni_not_linebreak"
-
-OPCODES = [
-
-    # failure=0 success=1 (just because it looks better that way :-)
-    FAILURE, SUCCESS,
-
-    ANY, ANY_ALL,
-    ASSERT, ASSERT_NOT,
-    AT,
-    BRANCH,
-    CALL,
-    CATEGORY,
-    CHARSET, BIGCHARSET,
-    GROUPREF, GROUPREF_EXISTS, GROUPREF_IGNORE,
-    IN, IN_IGNORE,
-    INFO,
-    JUMP,
-    LITERAL, LITERAL_IGNORE,
-    MARK,
-    MAX_UNTIL,
-    MIN_UNTIL,
-    NOT_LITERAL, NOT_LITERAL_IGNORE,
-    NEGATE,
-    RANGE,
-    REPEAT,
-    REPEAT_ONE,
-    SUBPATTERN,
-    MIN_REPEAT_ONE
+CHCODES = _makecodes("""
+    CATEGORY_DIGIT CATEGORY_NOT_DIGIT
+    CATEGORY_SPACE CATEGORY_NOT_SPACE
+    CATEGORY_WORD CATEGORY_NOT_WORD
+    CATEGORY_LINEBREAK CATEGORY_NOT_LINEBREAK
+    CATEGORY_LOC_WORD CATEGORY_LOC_NOT_WORD
+    CATEGORY_UNI_DIGIT CATEGORY_UNI_NOT_DIGIT
+    CATEGORY_UNI_SPACE CATEGORY_UNI_NOT_SPACE
+    CATEGORY_UNI_WORD CATEGORY_UNI_NOT_WORD
+    CATEGORY_UNI_LINEBREAK CATEGORY_UNI_NOT_LINEBREAK
+""")
 
-]
-
-ATCODES = [
-    AT_BEGINNING, AT_BEGINNING_LINE, AT_BEGINNING_STRING, AT_BOUNDARY,
-    AT_NON_BOUNDARY, AT_END, AT_END_LINE, AT_END_STRING,
-    AT_LOC_BOUNDARY, AT_LOC_NON_BOUNDARY, AT_UNI_BOUNDARY,
-    AT_UNI_NON_BOUNDARY
-]
-
-CHCODES = [
-    CATEGORY_DIGIT, CATEGORY_NOT_DIGIT, CATEGORY_SPACE,
-    CATEGORY_NOT_SPACE, CATEGORY_WORD, CATEGORY_NOT_WORD,
-    CATEGORY_LINEBREAK, CATEGORY_NOT_LINEBREAK, CATEGORY_LOC_WORD,
-    CATEGORY_LOC_NOT_WORD, CATEGORY_UNI_DIGIT, CATEGORY_UNI_NOT_DIGIT,
-    CATEGORY_UNI_SPACE, CATEGORY_UNI_NOT_SPACE, CATEGORY_UNI_WORD,
-    CATEGORY_UNI_NOT_WORD, CATEGORY_UNI_LINEBREAK,
-    CATEGORY_UNI_NOT_LINEBREAK
-]
-
-def makedict(list):
-    d = {}
-    i = 0
-    for item in list:
-        d[item] = i
-        i = i + 1
-    return d
-
-OPCODES = makedict(OPCODES)
-ATCODES = makedict(ATCODES)
-CHCODES = makedict(CHCODES)
 
 # replacement operations for "ignore case" mode
 OP_IGNORE = {
     GROUPREF: GROUPREF_IGNORE,
     IN: IN_IGNORE,
     LITERAL: LITERAL_IGNORE,
-    NOT_LITERAL: NOT_LITERAL_IGNORE
+    NOT_LITERAL: NOT_LITERAL_IGNORE,
+    RANGE: RANGE_IGNORE,
 }
 
 AT_MULTILINE = {
@@ -217,11 +179,11 @@ SRE_INFO_CHARSET = 4 # pattern starts with character from given set
 
 if __name__ == "__main__":
     def dump(f, d, prefix):
-        items = sorted(d.items(), key=lambda a: a[1])
-        for k, v in items:
-            f.write("#define %s_%s %s\n" % (prefix, k.upper(), v))
-    f = open("sre_constants.h", "w")
-    f.write("""\
+        items = sorted(d)
+        for item in items:
+            f.write("#define %s_%s %d\n" % (prefix, item, item))
+    with open("sre_constants.h", "w") as f:
+        f.write("""\
 /*
  * Secret Labs' Regular Expression Engine
  *
@@ -237,25 +199,24 @@ if __name__ == "__main__":
 
 """)
 
-    f.write("#define SRE_MAGIC %d\n" % MAGIC)
+        f.write("#define SRE_MAGIC %d\n" % MAGIC)
 
-    dump(f, OPCODES, "SRE_OP")
-    dump(f, ATCODES, "SRE")
-    dump(f, CHCODES, "SRE")
+        dump(f, OPCODES, "SRE_OP")
+        dump(f, ATCODES, "SRE")
+        dump(f, CHCODES, "SRE")
 
-    f.write("#define SRE_FLAG_TEMPLATE %d\n" % SRE_FLAG_TEMPLATE)
-    f.write("#define SRE_FLAG_IGNORECASE %d\n" % SRE_FLAG_IGNORECASE)
-    f.write("#define SRE_FLAG_LOCALE %d\n" % SRE_FLAG_LOCALE)
-    f.write("#define SRE_FLAG_MULTILINE %d\n" % SRE_FLAG_MULTILINE)
-    f.write("#define SRE_FLAG_DOTALL %d\n" % SRE_FLAG_DOTALL)
-    f.write("#define SRE_FLAG_UNICODE %d\n" % SRE_FLAG_UNICODE)
-    f.write("#define SRE_FLAG_VERBOSE %d\n" % SRE_FLAG_VERBOSE)
-    f.write("#define SRE_FLAG_DEBUG %d\n" % SRE_FLAG_DEBUG)
-    f.write("#define SRE_FLAG_ASCII %d\n" % SRE_FLAG_ASCII)
+        f.write("#define SRE_FLAG_TEMPLATE %d\n" % SRE_FLAG_TEMPLATE)
+        f.write("#define SRE_FLAG_IGNORECASE %d\n" % SRE_FLAG_IGNORECASE)
+        f.write("#define SRE_FLAG_LOCALE %d\n" % SRE_FLAG_LOCALE)
+        f.write("#define SRE_FLAG_MULTILINE %d\n" % SRE_FLAG_MULTILINE)
+        f.write("#define SRE_FLAG_DOTALL %d\n" % SRE_FLAG_DOTALL)
+        f.write("#define SRE_FLAG_UNICODE %d\n" % SRE_FLAG_UNICODE)
+        f.write("#define SRE_FLAG_VERBOSE %d\n" % SRE_FLAG_VERBOSE)
+        f.write("#define SRE_FLAG_DEBUG %d\n" % SRE_FLAG_DEBUG)
+        f.write("#define SRE_FLAG_ASCII %d\n" % SRE_FLAG_ASCII)
 
-    f.write("#define SRE_INFO_PREFIX %d\n" % SRE_INFO_PREFIX)
-    f.write("#define SRE_INFO_LITERAL %d\n" % SRE_INFO_LITERAL)
-    f.write("#define SRE_INFO_CHARSET %d\n" % SRE_INFO_CHARSET)
+        f.write("#define SRE_INFO_PREFIX %d\n" % SRE_INFO_PREFIX)
+        f.write("#define SRE_INFO_LITERAL %d\n" % SRE_INFO_LITERAL)
+        f.write("#define SRE_INFO_CHARSET %d\n" % SRE_INFO_CHARSET)
 
-    f.close()
     print("done")
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index df1e643..c0f539d 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -13,17 +13,20 @@
 # XXX: show string offset and offending character for all errors
 
 from sre_constants import *
-from _sre import MAXREPEAT
 
 SPECIAL_CHARS = ".\\[{()*+?^$|"
 REPEAT_CHARS = "*+?{"
 
-DIGITS = set("0123456789")
+DIGITS = frozenset("0123456789")
 
-OCTDIGITS = set("01234567")
-HEXDIGITS = set("0123456789abcdefABCDEF")
+OCTDIGITS = frozenset("01234567")
+HEXDIGITS = frozenset("0123456789abcdefABCDEF")
+ASCIILETTERS = frozenset("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 
-WHITESPACE = set(" \t\n\r\v\f")
+WHITESPACE = frozenset(" \t\n\r\v\f")
+
+_REPEATCODES = frozenset({MIN_REPEAT, MAX_REPEAT})
+_UNITCODES = frozenset({ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY})
 
 ESCAPES = {
     r"\a": (LITERAL, ord("\a")),
@@ -66,26 +69,36 @@ class Pattern:
     # master pattern object.  keeps track of global attributes
     def __init__(self):
         self.flags = 0
-        self.open = []
-        self.groups = 1
         self.groupdict = {}
-        self.lookbehind = 0
-
+        self.subpatterns = [None]  # group 0
+        self.lookbehindgroups = None
+    @property
+    def groups(self):
+        return len(self.subpatterns)
     def opengroup(self, name=None):
         gid = self.groups
-        self.groups = gid + 1
+        self.subpatterns.append(None)
+        if self.groups > MAXGROUPS:
+            raise error("too many groups")
         if name is not None:
             ogid = self.groupdict.get(name, None)
             if ogid is not None:
-                raise error("redefinition of group name %s as group %d; "
-                            "was group %d" % (repr(name), gid,  ogid))
+                raise error("redefinition of group name %r as group %d; "
+                            "was group %d" % (name, gid,  ogid))
             self.groupdict[name] = gid
-        self.open.append(gid)
         return gid
-    def closegroup(self, gid):
-        self.open.remove(gid)
+    def closegroup(self, gid, p):
+        self.subpatterns[gid] = p
     def checkgroup(self, gid):
-        return gid < self.groups and gid not in self.open
+        return gid < self.groups and self.subpatterns[gid] is not None
+
+    def checklookbehindgroup(self, gid, source):
+        if self.lookbehindgroups is not None:
+            if not self.checkgroup(gid):
+                raise source.error('cannot refer to an open group')
+            if gid >= self.lookbehindgroups:
+                raise source.error('cannot refer to group defined in the same '
+                                   'lookbehind subpattern')
 
 class SubPattern:
     # a subpattern, in intermediate form
@@ -99,24 +112,24 @@ class SubPattern:
         nl = True
         seqtypes = (tuple, list)
         for op, av in self.data:
-            print(level*"  " + op, end='')
-            if op == IN:
+            print(level*"  " + str(op), end='')
+            if op is IN:
                 # member sublanguage
                 print()
                 for op, a in av:
-                    print((level+1)*"  " + op, a)
-            elif op == BRANCH:
+                    print((level+1)*"  " + str(op), a)
+            elif op is BRANCH:
                 print()
                 for i, a in enumerate(av[1]):
                     if i:
-                        print(level*"  " + "or")
+                        print(level*"  " + "OR")
                     a.dump(level+1)
-            elif op == GROUPREF_EXISTS:
+            elif op is GROUPREF_EXISTS:
                 condgroup, item_yes, item_no = av
                 print('', condgroup)
                 item_yes.dump(level+1)
                 if item_no:
-                    print(level*"  " + "else")
+                    print(level*"  " + "ELSE")
                     item_no.dump(level+1)
             elif isinstance(av, seqtypes):
                 nl = False
@@ -153,11 +166,9 @@ class SubPattern:
         self.data.append(code)
     def getwidth(self):
         # determine the width (min, max) for this subpattern
-        if self.width:
+        if self.width is not None:
             return self.width
         lo = hi = 0
-        UNITCODES = (ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY)
-        REPEATCODES = (MIN_REPEAT, MAX_REPEAT)
         for op, av in self.data:
             if op is BRANCH:
                 i = MAXREPEAT - 1
@@ -176,14 +187,28 @@ class SubPattern:
                 i, j = av[1].getwidth()
                 lo = lo + i
                 hi = hi + j
-            elif op in REPEATCODES:
+            elif op in _REPEATCODES:
                 i, j = av[2].getwidth()
                 lo = lo + i * av[0]
                 hi = hi + j * av[1]
-            elif op in UNITCODES:
+            elif op in _UNITCODES:
                 lo = lo + 1
                 hi = hi + 1
-            elif op == SUCCESS:
+            elif op is GROUPREF:
+                i, j = self.pattern.subpatterns[av].getwidth()
+                lo = lo + i
+                hi = hi + j
+            elif op is GROUPREF_EXISTS:
+                i, j = av[1].getwidth()
+                if av[2] is not None:
+                    l, h = av[2].getwidth()
+                    i = min(i, l)
+                    j = max(j, h)
+                else:
+                    i = 0
+                lo = lo + i
+                hi = hi + j
+            elif op is SUCCESS:
                 break
         self.width = min(lo, MAXREPEAT - 1), min(hi, MAXREPEAT)
         return self.width
@@ -192,33 +217,33 @@ class Tokenizer:
     def __init__(self, string):
         self.istext = isinstance(string, str)
         self.string = string
+        if not self.istext:
+            string = str(string, 'latin1')
+        self.decoded_string = string
         self.index = 0
+        self.next = None
         self.__next()
     def __next(self):
-        if self.index >= len(self.string):
+        index = self.index
+        try:
+            char = self.decoded_string[index]
+        except IndexError:
             self.next = None
             return
-        char = self.string[self.index:self.index+1]
-        # Special case for the str8, since indexing returns a integer
-        # XXX This is only needed for test_bug_926075 in test_re.py
-        if char and not self.istext:
-            char = chr(char[0])
         if char == "\\":
+            index += 1
             try:
-                c = self.string[self.index + 1]
+                char += self.decoded_string[index]
             except IndexError:
-                raise error("bogus escape (end of line)")
-            if not self.istext:
-                c = chr(c)
-            char = char + c
-        self.index = self.index + len(char)
+                raise error("bad escape (end of pattern)",
+                            self.string, len(self.string) - 1) from None
+        self.index = index + 1
         self.next = char
-    def match(self, char, skip=1):
+    def match(self, char):
         if char == self.next:
-            if skip:
-                self.__next()
-            return 1
-        return 0
+            self.__next()
+            return True
+        return False
     def get(self):
         this = self.next
         self.__next()
@@ -232,10 +257,30 @@ class Tokenizer:
             result += c
             self.__next()
         return result
+    def getuntil(self, terminator):
+        result = ''
+        while True:
+            c = self.next
+            self.__next()
+            if c is None:
+                if not result:
+                    raise self.error("missing group name")
+                raise self.error("missing %s, unterminated name" % terminator,
+                                 len(result))
+            if c == terminator:
+                if not result:
+                    raise self.error("missing group name", 1)
+                break
+            result += c
+        return result
     def tell(self):
-        return self.index, self.next
+        return self.index - len(self.next or '')
     def seek(self, index):
-        self.index, self.next = index
+        self.index = index
+        self.__next()
+
+    def error(self, msg, offset=0):
+        return error(msg, self.string, self.tell() - offset)
 
 # The following three functions are not used in this module anymore, but we keep
 # them here (with DeprecationWarnings) for backwards compatibility.
@@ -270,7 +315,7 @@ def _class_escape(source, escape):
     if code:
         return code
     code = CATEGORIES.get(escape)
-    if code and code[0] == IN:
+    if code and code[0] is IN:
         return code
     try:
         c = escape[1:2]
@@ -278,33 +323,41 @@ def _class_escape(source, escape):
             # hexadecimal escape (exactly two digits)
             escape += source.getwhile(2, HEXDIGITS)
             if len(escape) != 4:
-                raise ValueError
-            return LITERAL, int(escape[2:], 16) & 0xff
+                raise source.error("incomplete escape %s" % escape, len(escape))
+            return LITERAL, int(escape[2:], 16)
         elif c == "u" and source.istext:
             # unicode escape (exactly four digits)
             escape += source.getwhile(4, HEXDIGITS)
             if len(escape) != 6:
-                raise ValueError
+                raise source.error("incomplete escape %s" % escape, len(escape))
             return LITERAL, int(escape[2:], 16)
         elif c == "U" and source.istext:
             # unicode escape (exactly eight digits)
             escape += source.getwhile(8, HEXDIGITS)
             if len(escape) != 10:
-                raise ValueError
+                raise source.error("incomplete escape %s" % escape, len(escape))
             c = int(escape[2:], 16)
             chr(c) # raise ValueError for invalid code
             return LITERAL, c
         elif c in OCTDIGITS:
             # octal escape (up to three digits)
             escape += source.getwhile(2, OCTDIGITS)
-            return LITERAL, int(escape[1:], 8) & 0xff
+            c = int(escape[1:], 8)
+            if c > 0o377:
+                raise source.error('octal escape value %s outside of '
+                                   'range 0-0o377' % escape, len(escape))
+            return LITERAL, c
         elif c in DIGITS:
             raise ValueError
         if len(escape) == 2:
+            if c in ASCIILETTERS:
+                import warnings
+                warnings.warn('bad escape %s' % escape,
+                              DeprecationWarning, stacklevel=8)
             return LITERAL, ord(escape[1])
     except ValueError:
         pass
-    raise error("bogus escape: %s" % repr(escape))
+    raise source.error("bad escape %s" % escape, len(escape))
 
 def _escape(source, escape, state):
     # handle escape code in expression
@@ -320,69 +373,70 @@ def _escape(source, escape, state):
             # hexadecimal escape
             escape += source.getwhile(2, HEXDIGITS)
             if len(escape) != 4:
-                raise ValueError
-            return LITERAL, int(escape[2:], 16) & 0xff
+                raise source.error("incomplete escape %s" % escape, len(escape))
+            return LITERAL, int(escape[2:], 16)
         elif c == "u" and source.istext:
             # unicode escape (exactly four digits)
             escape += source.getwhile(4, HEXDIGITS)
             if len(escape) != 6:
-                raise ValueError
+                raise source.error("incomplete escape %s" % escape, len(escape))
             return LITERAL, int(escape[2:], 16)
         elif c == "U" and source.istext:
             # unicode escape (exactly eight digits)
             escape += source.getwhile(8, HEXDIGITS)
             if len(escape) != 10:
-                raise ValueError
+                raise source.error("incomplete escape %s" % escape, len(escape))
             c = int(escape[2:], 16)
             chr(c) # raise ValueError for invalid code
             return LITERAL, c
         elif c == "0":
             # octal escape
             escape += source.getwhile(2, OCTDIGITS)
-            return LITERAL, int(escape[1:], 8) & 0xff
+            return LITERAL, int(escape[1:], 8)
         elif c in DIGITS:
             # octal escape *or* decimal group reference (sigh)
             if source.next in DIGITS:
-                escape = escape + source.get()
+                escape += source.get()
                 if (escape[1] in OCTDIGITS and escape[2] in OCTDIGITS and
                     source.next in OCTDIGITS):
                     # got three octal digits; this is an octal escape
-                    escape = escape + source.get()
-                    return LITERAL, int(escape[1:], 8) & 0xff
+                    escape += source.get()
+                    c = int(escape[1:], 8)
+                    if c > 0o377:
+                        raise source.error('octal escape value %s outside of '
+                                           'range 0-0o377' % escape,
+                                           len(escape))
+                    return LITERAL, c
             # not an octal escape, so this is a group reference
             group = int(escape[1:])
             if group < state.groups:
                 if not state.checkgroup(group):
-                    raise error("cannot refer to open group")
-                if state.lookbehind:
-                    import warnings
-                    warnings.warn('group references in lookbehind '
-                                  'assertions are not supported',
-                                  RuntimeWarning)
+                    raise source.error("cannot refer to an open group",
+                                       len(escape))
+                state.checklookbehindgroup(group, source)
                 return GROUPREF, group
-            raise ValueError
+            raise source.error("invalid group reference", len(escape))
         if len(escape) == 2:
+            if c in ASCIILETTERS:
+                import warnings
+                warnings.warn('bad escape %s' % escape,
+                              DeprecationWarning, stacklevel=8)
             return LITERAL, ord(escape[1])
     except ValueError:
         pass
-    raise error("bogus escape: %s" % repr(escape))
+    raise source.error("bad escape %s" % escape, len(escape))
 
-def _parse_sub(source, state, nested=1):
+def _parse_sub(source, state, nested=True):
     # parse an alternation: a|b|c
 
     items = []
     itemsappend = items.append
     sourcematch = source.match
-    while 1:
+    start = source.tell()
+    while True:
         itemsappend(_parse(source, state))
-        if sourcematch("|"):
-            continue
-        if not nested:
+        if not sourcematch("|"):
             break
-        if not source.next or sourcematch(")", 0):
-            break
-        else:
-            raise error("pattern not properly closed")
 
     if len(items) == 1:
         return items[0]
@@ -391,7 +445,7 @@ def _parse_sub(source, state, nested=1):
     subpatternappend = subpattern.append
 
     # check if all items share a common prefix
-    while 1:
+    while True:
         prefix = None
         for item in items:
             if not item:
@@ -411,16 +465,12 @@ def _parse_sub(source, state, nested=1):
 
     # check if the branch can be replaced by a character set
     for item in items:
-        if len(item) != 1 or item[0][0] != LITERAL:
+        if len(item) != 1 or item[0][0] is not LITERAL:
             break
     else:
         # we can store this as a character set instead of a
         # branch (the compiler may optimize this even more)
-        set = []
-        setappend = set.append
-        for item in items:
-            setappend(item[0])
-        subpatternappend((IN, set))
+        subpatternappend((IN, [item[0] for item in items]))
         return subpattern
 
     subpattern.append((BRANCH, (None, items)))
@@ -430,21 +480,14 @@ def _parse_sub_cond(source, state, condgroup):
     item_yes = _parse(source, state)
     if source.match("|"):
         item_no = _parse(source, state)
-        if source.match("|"):
-            raise error("conditional backref with more than two branches")
+        if source.next == "|":
+            raise source.error("conditional backref with more than two branches")
     else:
         item_no = None
-    if source.next and not source.match(")", 0):
-        raise error("pattern not properly closed")
     subpattern = SubPattern(state)
     subpattern.append((GROUPREF_EXISTS, (condgroup, item_yes, item_no)))
     return subpattern
 
-_PATTERNENDERS = set("|)")
-_ASSERTCHARS = set("=!<")
-_LOOKBEHINDASSERTCHARS = set("=!")
-_REPEATCODES = set([MIN_REPEAT, MAX_REPEAT])
-
 def _parse(source, state):
     # parse a simple pattern
     subpattern = SubPattern(state)
@@ -454,34 +497,38 @@ def _parse(source, state):
     sourceget = source.get
     sourcematch = source.match
     _len = len
-    PATTERNENDERS = _PATTERNENDERS
-    ASSERTCHARS = _ASSERTCHARS
-    LOOKBEHINDASSERTCHARS = _LOOKBEHINDASSERTCHARS
-    REPEATCODES = _REPEATCODES
+    _ord = ord
+    verbose = state.flags & SRE_FLAG_VERBOSE
 
-    while 1:
+    while True:
 
-        if source.next in PATTERNENDERS:
-            break # end of subpattern
-        this = sourceget()
+        this = source.next
         if this is None:
             break # end of pattern
+        if this in "|)":
+            break # end of subpattern
+        sourceget()
 
-        if state.flags & SRE_FLAG_VERBOSE:
+        if verbose:
             # skip whitespace and comments
             if this in WHITESPACE:
                 continue
             if this == "#":
-                while 1:
+                while True:
                     this = sourceget()
-                    if this in (None, "\n"):
+                    if this is None or this == "\n":
                         break
                 continue
 
-        if this and this[0] not in SPECIAL_CHARS:
-            subpatternappend((LITERAL, ord(this)))
+        if this[0] == "\\":
+            code = _escape(source, this, state)
+            subpatternappend(code)
+
+        elif this not in SPECIAL_CHARS:
+            subpatternappend((LITERAL, _ord(this)))
 
         elif this == "[":
+            here = source.tell() - 1
             # character set
             set = []
             setappend = set.append
@@ -491,39 +538,42 @@ def _parse(source, state):
                 setappend((NEGATE, None))
             # check remaining characters
             start = set[:]
-            while 1:
+            while True:
                 this = sourceget()
+                if this is None:
+                    raise source.error("unterminated character set",
+                                       source.tell() - here)
                 if this == "]" and set != start:
                     break
-                elif this and this[0] == "\\":
+                elif this[0] == "\\":
                     code1 = _class_escape(source, this)
-                elif this:
-                    code1 = LITERAL, ord(this)
                 else:
-                    raise error("unexpected end of regular expression")
+                    code1 = LITERAL, _ord(this)
                 if sourcematch("-"):
                     # potential range
-                    this = sourceget()
-                    if this == "]":
+                    that = sourceget()
+                    if that is None:
+                        raise source.error("unterminated character set",
+                                           source.tell() - here)
+                    if that == "]":
                         if code1[0] is IN:
                             code1 = code1[1][0]
                         setappend(code1)
-                        setappend((LITERAL, ord("-")))
+                        setappend((LITERAL, _ord("-")))
                         break
-                    elif this:
-                        if this[0] == "\\":
-                            code2 = _class_escape(source, this)
-                        else:
-                            code2 = LITERAL, ord(this)
-                        if code1[0] != LITERAL or code2[0] != LITERAL:
-                            raise error("bad character range")
-                        lo = code1[1]
-                        hi = code2[1]
-                        if hi < lo:
-                            raise error("bad character range")
-                        setappend((RANGE, (lo, hi)))
+                    if that[0] == "\\":
+                        code2 = _class_escape(source, that)
                     else:
-                        raise error("unexpected end of regular expression")
+                        code2 = LITERAL, _ord(that)
+                    if code1[0] != LITERAL or code2[0] != LITERAL:
+                        msg = "bad character range %s-%s" % (this, that)
+                        raise source.error(msg, len(this) + 1 + len(that))
+                    lo = code1[1]
+                    hi = code2[1]
+                    if hi < lo:
+                        msg = "bad character range %s-%s" % (this, that)
+                        raise source.error(msg, len(this) + 1 + len(that))
+                    setappend((RANGE, (lo, hi)))
                 else:
                     if code1[0] is IN:
                         code1 = code1[1][0]
@@ -538,8 +588,9 @@ def _parse(source, state):
                 # XXX: <fl> should add charmap optimization here
                 subpatternappend((IN, set))
 
-        elif this and this[0] in REPEAT_CHARS:
+        elif this in REPEAT_CHARS:
             # repeat previous item
+            here = source.tell()
             if this == "?":
                 min, max = 0, 1
             elif this == "*":
@@ -549,20 +600,19 @@ def _parse(source, state):
                 min, max = 1, MAXREPEAT
             elif this == "{":
                 if source.next == "}":
-                    subpatternappend((LITERAL, ord(this)))
+                    subpatternappend((LITERAL, _ord(this)))
                     continue
-                here = source.tell()
                 min, max = 0, MAXREPEAT
                 lo = hi = ""
                 while source.next in DIGITS:
-                    lo = lo + source.get()
+                    lo += sourceget()
                 if sourcematch(","):
                     while source.next in DIGITS:
-                        hi = hi + sourceget()
+                        hi += sourceget()
                 else:
                     hi = lo
                 if not sourcematch("}"):
-                    subpatternappend((LITERAL, ord(this)))
+                    subpatternappend((LITERAL, _ord(this)))
                     source.seek(here)
                     continue
                 if lo:
@@ -574,18 +624,21 @@ def _parse(source, state):
                     if max >= MAXREPEAT:
                         raise OverflowError("the repetition number is too large")
                     if max < min:
-                        raise error("bad repeat interval")
+                        raise source.error("min repeat greater than max repeat",
+                                           source.tell() - here)
             else:
-                raise error("not supported")
+                raise AssertionError("unsupported quantifier %r" % (char,))
             # figure out which item to repeat
             if subpattern:
                 item = subpattern[-1:]
             else:
                 item = None
-            if not item or (_len(item) == 1 and item[0][0] == AT):
-                raise error("nothing to repeat")
-            if item[0][0] in REPEATCODES:
-                raise error("multiple repeat")
+            if not item or (_len(item) == 1 and item[0][0] is AT):
+                raise source.error("nothing to repeat",
+                                   source.tell() - here + len(this))
+            if item[0][0] in _REPEATCODES:
+                raise source.error("multiple repeat",
+                                   source.tell() - here + len(this))
             if sourcematch("?"):
                 subpattern[-1] = (MIN_REPEAT, (min, max, item))
             else:
@@ -595,150 +648,137 @@ def _parse(source, state):
             subpatternappend((ANY, None))
 
         elif this == "(":
-            group = 1
+            start = source.tell() - 1
+            group = True
             name = None
             condgroup = None
             if sourcematch("?"):
-                group = 0
                 # options
-                if sourcematch("P"):
+                char = sourceget()
+                if char is None:
+                    raise source.error("unexpected end of pattern")
+                if char == "P":
                     # python extensions
                     if sourcematch("<"):
                         # named group: skip forward to end of name
-                        name = ""
-                        while 1:
-                            char = sourceget()
-                            if char is None:
-                                raise error("unterminated name")
-                            if char == ">":
-                                break
-                            name = name + char
-                        group = 1
-                        if not name:
-                            raise error("missing group name")
+                        name = source.getuntil(">")
                         if not name.isidentifier():
-                            raise error("bad character in group name %r" % name)
+                            msg = "bad character in group name %r" % name
+                            raise source.error(msg, len(name) + 1)
                     elif sourcematch("="):
                         # named backreference
-                        name = ""
-                        while 1:
-                            char = sourceget()
-                            if char is None:
-                                raise error("unterminated name")
-                            if char == ")":
-                                break
-                            name = name + char
-                        if not name:
-                            raise error("missing group name")
+                        name = source.getuntil(")")
                         if not name.isidentifier():
-                            raise error("bad character in backref group name "
-                                        "%r" % name)
+                            msg = "bad character in group name %r" % name
+                            raise source.error(msg, len(name) + 1)
                         gid = state.groupdict.get(name)
                         if gid is None:
-                            msg = "unknown group name: {0!r}".format(name)
-                            raise error(msg)
-                        if state.lookbehind:
-                            import warnings
-                            warnings.warn('group references in lookbehind '
-                                          'assertions are not supported',
-                                          RuntimeWarning)
+                            msg = "unknown group name %r" % name
+                            raise source.error(msg, len(name) + 1)
+                        state.checklookbehindgroup(gid, source)
                         subpatternappend((GROUPREF, gid))
                         continue
                     else:
                         char = sourceget()
                         if char is None:
-                            raise error("unexpected end of pattern")
-                        raise error("unknown specifier: ?P%s" % char)
-                elif sourcematch(":"):
+                            raise source.error("unexpected end of pattern")
+                        raise source.error("unknown extension ?P" + char,
+                                           len(char) + 2)
+                elif char == ":":
                     # non-capturing group
-                    group = 2
-                elif sourcematch("#"):
+                    group = None
+                elif char == "#":
                     # comment
-                    while 1:
-                        if source.next is None or source.next == ")":
+                    while True:
+                        if source.next is None:
+                            raise source.error("missing ), unterminated comment",
+                                               source.tell() - start)
+                        if sourceget() == ")":
                             break
-                        sourceget()
-                    if not sourcematch(")"):
-                        raise error("unbalanced parenthesis")
                     continue
-                elif source.next in ASSERTCHARS:
+                elif char in "=!<":
                     # lookahead assertions
-                    char = sourceget()
                     dir = 1
                     if char == "<":
-                        if source.next not in LOOKBEHINDASSERTCHARS:
-                            raise error("syntax error")
-                        dir = -1 # lookbehind
                         char = sourceget()
-                        state.lookbehind += 1
+                        if char is None:
+                            raise source.error("unexpected end of pattern")
+                        if char not in "=!":
+                            raise source.error("unknown extension ?<" + char,
+                                               len(char) + 2)
+                        dir = -1 # lookbehind
+                        lookbehindgroups = state.lookbehindgroups
+                        if lookbehindgroups is None:
+                            state.lookbehindgroups = state.groups
                     p = _parse_sub(source, state)
                     if dir < 0:
-                        state.lookbehind -= 1
+                        if lookbehindgroups is None:
+                            state.lookbehindgroups = None
                     if not sourcematch(")"):
-                        raise error("unbalanced parenthesis")
+                        raise source.error("missing ), unterminated subpattern",
+                                           source.tell() - start)
                     if char == "=":
                         subpatternappend((ASSERT, (dir, p)))
                     else:
                         subpatternappend((ASSERT_NOT, (dir, p)))
                     continue
-                elif sourcematch("("):
+                elif char == "(":
                     # conditional backreference group
-                    condname = ""
-                    while 1:
-                        char = sourceget()
-                        if char is None:
-                            raise error("unterminated name")
-                        if char == ")":
-                            break
-                        condname = condname + char
-                    group = 2
-                    if not condname:
-                        raise error("missing group name")
+                    condname = source.getuntil(")")
+                    group = None
                     if condname.isidentifier():
                         condgroup = state.groupdict.get(condname)
                         if condgroup is None:
-                            msg = "unknown group name: {0!r}".format(condname)
-                            raise error(msg)
+                            msg = "unknown group name %r" % condname
+                            raise source.error(msg, len(condname) + 1)
                     else:
                         try:
                             condgroup = int(condname)
+                            if condgroup < 0:
+                                raise ValueError
                         except ValueError:
-                            raise error("bad character in group name")
-                    if state.lookbehind:
-                        import warnings
-                        warnings.warn('group references in lookbehind '
-                                      'assertions are not supported',
-                                      RuntimeWarning)
-                else:
+                            msg = "bad character in group name %r" % condname
+                            raise source.error(msg, len(condname) + 1) from None
+                        if not condgroup:
+                            raise source.error("bad group number",
+                                               len(condname) + 1)
+                        if condgroup >= MAXGROUPS:
+                            raise source.error("invalid group reference",
+                                               len(condname) + 1)
+                    state.checklookbehindgroup(condgroup, source)
+                elif char in FLAGS:
                     # flags
-                    if not source.next in FLAGS:
-                        raise error("unexpected end of pattern")
-                    while source.next in FLAGS:
-                        state.flags = state.flags | FLAGS[sourceget()]
-            if group:
-                # parse group contents
-                if group == 2:
-                    # anonymous group
-                    group = None
+                    while True:
+                        state.flags |= FLAGS[char]
+                        char = sourceget()
+                        if char is None:
+                            raise source.error("missing )")
+                        if char == ")":
+                            break
+                        if char not in FLAGS:
+                            raise source.error("unknown flag", len(char))
+                    verbose = state.flags & SRE_FLAG_VERBOSE
+                    continue
                 else:
+                    raise source.error("unknown extension ?" + char,
+                                       len(char) + 1)
+
+            # parse group contents
+            if group is not None:
+                try:
                     group = state.opengroup(name)
-                if condgroup:
-                    p = _parse_sub_cond(source, state, condgroup)
-                else:
-                    p = _parse_sub(source, state)
-                if not sourcematch(")"):
-                    raise error("unbalanced parenthesis")
-                if group is not None:
-                    state.closegroup(group)
-                subpatternappend((SUBPATTERN, (group, p)))
+                except error as err:
+                    raise source.error(err.msg, len(name) + 1) from None
+            if condgroup:
+                p = _parse_sub_cond(source, state, condgroup)
             else:
-                while 1:
-                    char = sourceget()
-                    if char is None:
-                        raise error("unexpected end of pattern")
-                    if char == ")":
-                        break
-                    raise error("unknown extension")
+                p = _parse_sub(source, state)
+            if not source.match(")"):
+                raise source.error("missing ), unterminated subpattern",
+                                   source.tell() - start)
+            if group is not None:
+                state.closegroup(group, p)
+            subpatternappend((SUBPATTERN, (group, p)))
 
         elif this == "^":
             subpatternappend((AT, AT_BEGINNING))
@@ -746,25 +786,31 @@ def _parse(source, state):
         elif this == "$":
             subpattern.append((AT, AT_END))
 
-        elif this and this[0] == "\\":
-            code = _escape(source, this, state)
-            subpatternappend(code)
-
         else:
-            raise error("parser error")
+            raise AssertionError("unsupported special character %r" % (char,))
 
     return subpattern
 
 def fix_flags(src, flags):
     # Check and fix flags according to the type of pattern (str or bytes)
     if isinstance(src, str):
+        if flags & SRE_FLAG_LOCALE:
+            import warnings
+            warnings.warn("LOCALE flag with a str pattern is deprecated. "
+                          "Will be an error in 3.6",
+                          DeprecationWarning, stacklevel=6)
         if not flags & SRE_FLAG_ASCII:
             flags |= SRE_FLAG_UNICODE
         elif flags & SRE_FLAG_UNICODE:
             raise ValueError("ASCII and UNICODE flags are incompatible")
     else:
         if flags & SRE_FLAG_UNICODE:
-            raise ValueError("can't use UNICODE flag with a bytes pattern")
+            raise ValueError("cannot use UNICODE flag with a bytes pattern")
+        if flags & SRE_FLAG_LOCALE and flags & SRE_FLAG_ASCII:
+            import warnings
+            warnings.warn("ASCII and LOCALE flags are incompatible. "
+                          "Will be an error in 3.6",
+                          DeprecationWarning, stacklevel=6)
     return flags
 
 def parse(str, flags=0, pattern=None):
@@ -780,11 +826,9 @@ def parse(str, flags=0, pattern=None):
     p = _parse_sub(source, pattern, 0)
     p.pattern.flags = fix_flags(str, p.pattern.flags)
 
-    tail = source.get()
-    if tail == ")":
-        raise error("unbalanced parenthesis")
-    elif tail:
-        raise error("bogus characters at end of regular expression")
+    if source.next is not None:
+        assert source.next == ")"
+        raise source.error("unbalanced parenthesis")
 
     if flags & SRE_FLAG_DEBUG:
         p.dump()
@@ -811,6 +855,7 @@ def parse_template(source, pattern):
             del literal[:]
         groups.append((len(literals), index))
         literals.append(None)
+    groupindex = pattern.groupindex
     while True:
         this = sget()
         if this is None:
@@ -820,28 +865,25 @@ def parse_template(source, pattern):
             c = this[1]
             if c == "g":
                 name = ""
-                if s.match("<"):
-                    while True:
-                        char = sget()
-                        if char is None:
-                            raise error("unterminated group name")
-                        if char == ">":
-                            break
-                        name += char
-                if not name:
-                    raise error("missing group name")
-                try:
-                    index = int(name)
-                    if index < 0:
-                        raise error("negative group number")
-                except ValueError:
-                    if not name.isidentifier():
-                        raise error("bad character in group name")
+                if not s.match("<"):
+                    raise s.error("missing <")
+                name = s.getuntil(">")
+                if name.isidentifier():
                     try:
-                        index = pattern.groupindex[name]
+                        index = groupindex[name]
                     except KeyError:
-                        msg = "unknown group name: {0!r}".format(name)
-                        raise IndexError(msg)
+                        raise IndexError("unknown group name %r" % name)
+                else:
+                    try:
+                        index = int(name)
+                        if index < 0:
+                            raise ValueError
+                    except ValueError:
+                        raise s.error("bad character in group name %r" % name,
+                                      len(name) + 1) from None
+                    if index >= MAXGROUPS:
+                        raise s.error("invalid group reference",
+                                      len(name) + 1)
                 addgroup(index)
             elif c == "0":
                 if s.next in OCTDIGITS:
@@ -857,14 +899,21 @@ def parse_template(source, pattern):
                         s.next in OCTDIGITS):
                         this += sget()
                         isoctal = True
-                        lappend(chr(int(this[1:], 8) & 0xff))
+                        c = int(this[1:], 8)
+                        if c > 0o377:
+                            raise s.error('octal escape value %s outside of '
+                                          'range 0-0o377' % this, len(this))
+                        lappend(chr(c))
                 if not isoctal:
                     addgroup(int(this[1:]))
             else:
                 try:
                     this = chr(ESCAPES[this][1])
                 except KeyError:
-                    pass
+                    if c in ASCIILETTERS:
+                        import warnings
+                        warnings.warn('bad escape %s' % this,
+                                      DeprecationWarning, stacklevel=4)
                 lappend(this)
         else:
             lappend(this)
@@ -878,14 +927,12 @@ def parse_template(source, pattern):
 
 def expand_template(template, match):
     g = match.group
-    sep = match.string[:0]
+    empty = match.string[:0]
     groups, literals = template
     literals = literals[:]
     try:
         for index, group in groups:
-            literals[index] = s = g(group)
-            if s is None:
-                raise error("unmatched group")
+            literals[index] = g(group) or empty
     except IndexError:
         raise error("invalid group reference")
-    return sep.join(literals)
+    return empty.join(literals)
diff --git a/Lib/ssl.py b/Lib/ssl.py
index ec42e38..ab7a49b 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -87,17 +87,18 @@ ALERT_DESCRIPTION_BAD_CERTIFICATE_HASH_VALUE
 ALERT_DESCRIPTION_UNKNOWN_PSK_IDENTITY
 """
 
+import ipaddress
 import textwrap
 import re
 import sys
 import os
 from collections import namedtuple
-from enum import Enum as _Enum
+from enum import Enum as _Enum, IntEnum as _IntEnum
 
 import _ssl             # if we can't import it, let the error propagate
 
 from _ssl import OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_INFO, OPENSSL_VERSION
-from _ssl import _SSLContext
+from _ssl import _SSLContext, MemoryBIO
 from _ssl import (
     SSLError, SSLZeroReturnError, SSLWantReadError, SSLWantWriteError,
     SSLSyscallError, SSLEOFError,
@@ -119,30 +120,23 @@ def _import_symbols(prefix):
 _import_symbols('OP_')
 _import_symbols('ALERT_DESCRIPTION_')
 _import_symbols('SSL_ERROR_')
-_import_symbols('PROTOCOL_')
 _import_symbols('VERIFY_')
 
-from _ssl import HAS_SNI, HAS_ECDH, HAS_NPN
+from _ssl import HAS_SNI, HAS_ECDH, HAS_NPN, HAS_ALPN
 
 from _ssl import _OPENSSL_API_VERSION
 
+_IntEnum._convert(
+        '_SSLMethod', __name__,
+        lambda name: name.startswith('PROTOCOL_'),
+        source=_ssl)
+
+_PROTOCOL_NAMES = {value: name for name, value in _SSLMethod.__members__.items()}
 
-_PROTOCOL_NAMES = {value: name for name, value in globals().items() if name.startswith('PROTOCOL_')}
 try:
-    from _ssl import PROTOCOL_SSLv2
     _SSLv2_IF_EXISTS = PROTOCOL_SSLv2
-except ImportError:
+except NameError:
     _SSLv2_IF_EXISTS = None
-else:
-    _PROTOCOL_NAMES[PROTOCOL_SSLv2] = "SSLv2"
-
-try:
-    from _ssl import PROTOCOL_TLSv1_1, PROTOCOL_TLSv1_2
-except ImportError:
-    pass
-else:
-    _PROTOCOL_NAMES[PROTOCOL_TLSv1_1] = "TLSv1.1"
-    _PROTOCOL_NAMES[PROTOCOL_TLSv1_2] = "TLSv1.2"
 
 if sys.platform == "win32":
     from _ssl import enum_certificates, enum_crls
@@ -246,6 +240,17 @@ def _dnsname_match(dn, hostname, max_wildcards=1):
     return pat.match(hostname)
 
 
+def _ipaddress_match(ipname, host_ip):
+    """Exact matching of IP addresses.
+
+    RFC 6125 explicitly doesn't define an algorithm for this
+    (section 1.7.2 - "Out of Scope").
+    """
+    # OpenSSL may add a trailing newline to a subjectAltName's IP address
+    ip = ipaddress.ip_address(ipname.rstrip())
+    return ip == host_ip
+
+
 def match_hostname(cert, hostname):
     """Verify that *cert* (in decoded format as returned by
     SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 and RFC 6125
@@ -258,11 +263,20 @@ def match_hostname(cert, hostname):
         raise ValueError("empty or no certificate, match_hostname needs a "
                          "SSL socket or SSL context with either "
                          "CERT_OPTIONAL or CERT_REQUIRED")
+    try:
+        host_ip = ipaddress.ip_address(hostname)
+    except ValueError:
+        # Not an IP address (common case)
+        host_ip = None
     dnsnames = []
     san = cert.get('subjectAltName', ())
     for key, value in san:
         if key == 'DNS':
-            if _dnsname_match(value, hostname):
+            if host_ip is None and _dnsname_match(value, hostname):
+                return
+            dnsnames.append(value)
+        elif key == 'IP Address':
+            if host_ip is not None and _ipaddress_match(value, host_ip):
                 return
             dnsnames.append(value)
     if not dnsnames:
@@ -361,6 +375,12 @@ class SSLContext(_SSLContext):
                          server_hostname=server_hostname,
                          _context=self)
 
+    def wrap_bio(self, incoming, outgoing, server_side=False,
+                 server_hostname=None):
+        sslobj = self._wrap_bio(incoming, outgoing, server_side=server_side,
+                                server_hostname=server_hostname)
+        return SSLObject(sslobj)
+
     def set_npn_protocols(self, npn_protocols):
         protos = bytearray()
         for protocol in npn_protocols:
@@ -372,6 +392,17 @@ class SSLContext(_SSLContext):
 
         self._set_npn_protocols(protos)
 
+    def set_alpn_protocols(self, alpn_protocols):
+        protos = bytearray()
+        for protocol in alpn_protocols:
+            b = bytes(protocol, 'ascii')
+            if len(b) == 0 or len(b) > 255:
+                raise SSLError('ALPN protocols must be 1 to 255 in length')
+            protos.append(len(b))
+            protos.extend(b)
+
+        self._set_alpn_protocols(protos)
+
     def _load_windows_store_certs(self, storename, purpose):
         certs = bytearray()
         for cert, encoding, trust in enum_certificates(storename):
@@ -488,6 +519,141 @@ _create_default_https_context = create_default_context
 _create_stdlib_context = _create_unverified_context
 
 
+class SSLObject:
+    """This class implements an interface on top of a low-level SSL object as
+    implemented by OpenSSL. This object captures the state of an SSL connection
+    but does not provide any network IO itself. IO needs to be performed
+    through separate "BIO" objects which are OpenSSL's IO abstraction layer.
+
+    This class does not have a public constructor. Instances are returned by
+    ``SSLContext.wrap_bio``. This class is typically used by framework authors
+    that want to implement asynchronous IO for SSL through memory buffers.
+
+    When compared to ``SSLSocket``, this object lacks the following features:
+
+     * Any form of network IO incluging methods such as ``recv`` and ``send``.
+     * The ``do_handshake_on_connect`` and ``suppress_ragged_eofs`` machinery.
+    """
+
+    def __init__(self, sslobj, owner=None):
+        self._sslobj = sslobj
+        # Note: _sslobj takes a weak reference to owner
+        self._sslobj.owner = owner or self
+
+    @property
+    def context(self):
+        """The SSLContext that is currently in use."""
+        return self._sslobj.context
+
+    @context.setter
+    def context(self, ctx):
+        self._sslobj.context = ctx
+
+    @property
+    def server_side(self):
+        """Whether this is a server-side socket."""
+        return self._sslobj.server_side
+
+    @property
+    def server_hostname(self):
+        """The currently set server hostname (for SNI), or ``None`` if no
+        server hostame is set."""
+        return self._sslobj.server_hostname
+
+    def read(self, len=0, buffer=None):
+        """Read up to 'len' bytes from the SSL object and return them.
+
+        If 'buffer' is provided, read into this buffer and return the number of
+        bytes read.
+        """
+        if buffer is not None:
+            v = self._sslobj.read(len, buffer)
+        else:
+            v = self._sslobj.read(len or 1024)
+        return v
+
+    def write(self, data):
+        """Write 'data' to the SSL object and return the number of bytes
+        written.
+
+        The 'data' argument must support the buffer interface.
+        """
+        return self._sslobj.write(data)
+
+    def getpeercert(self, binary_form=False):
+        """Returns a formatted version of the data in the certificate provided
+        by the other end of the SSL channel.
+
+        Return None if no certificate was provided, {} if a certificate was
+        provided, but not validated.
+        """
+        return self._sslobj.peer_certificate(binary_form)
+
+    def selected_npn_protocol(self):
+        """Return the currently selected NPN protocol as a string, or ``None``
+        if a next protocol was not negotiated or if NPN is not supported by one
+        of the peers."""
+        if _ssl.HAS_NPN:
+            return self._sslobj.selected_npn_protocol()
+
+    def selected_alpn_protocol(self):
+        """Return the currently selected ALPN protocol as a string, or ``None``
+        if a next protocol was not negotiated or if ALPN is not supported by one
+        of the peers."""
+        if _ssl.HAS_ALPN:
+            return self._sslobj.selected_alpn_protocol()
+
+    def cipher(self):
+        """Return the currently selected cipher as a 3-tuple ``(name,
+        ssl_version, secret_bits)``."""
+        return self._sslobj.cipher()
+
+    def shared_ciphers(self):
+        """Return a list of ciphers shared by the client during the handshake or
+        None if this is not a valid server connection.
+        """
+        return self._sslobj.shared_ciphers()
+
+    def compression(self):
+        """Return the current compression algorithm in use, or ``None`` if
+        compression was not negotiated or not supported by one of the peers."""
+        return self._sslobj.compression()
+
+    def pending(self):
+        """Return the number of bytes that can be read immediately."""
+        return self._sslobj.pending()
+
+    def do_handshake(self):
+        """Start the SSL/TLS handshake."""
+        self._sslobj.do_handshake()
+        if self.context.check_hostname:
+            if not self.server_hostname:
+                raise ValueError("check_hostname needs server_hostname "
+                                 "argument")
+            match_hostname(self.getpeercert(), self.server_hostname)
+
+    def unwrap(self):
+        """Start the SSL shutdown handshake."""
+        return self._sslobj.shutdown()
+
+    def get_channel_binding(self, cb_type="tls-unique"):
+        """Get channel binding data for current connection.  Raise ValueError
+        if the requested `cb_type` is not supported.  Return bytes of the data
+        or None if the data is not available (e.g. before the handshake)."""
+        if cb_type not in CHANNEL_BINDING_TYPES:
+            raise ValueError("Unsupported channel binding type")
+        if cb_type != "tls-unique":
+            raise NotImplementedError(
+                            "{0} channel binding type not implemented"
+                            .format(cb_type))
+        return self._sslobj.tls_unique_cb()
+
+    def version(self):
+        """Return a string identifying the protocol version used by the
+        current SSL channel. """
+        return self._sslobj.version()
+
+
 class SSLSocket(socket):
     """This class implements a subtype of socket.socket that wraps
     the underlying OS socket in an SSL context when necessary, and
@@ -570,8 +736,9 @@ class SSLSocket(socket):
         if connected:
             # create the SSL object
             try:
-                self._sslobj = self._context._wrap_socket(self, server_side,
-                                                         server_hostname)
+                sslobj = self._context._wrap_socket(self, server_side,
+                                                    server_hostname)
+                self._sslobj = SSLObject(sslobj, owner=self)
                 if do_handshake_on_connect:
                     timeout = self.gettimeout()
                     if timeout == 0.0:
@@ -616,11 +783,7 @@ class SSLSocket(socket):
         if not self._sslobj:
             raise ValueError("Read on closed or unwrapped SSL socket.")
         try:
-            if buffer is not None:
-                v = self._sslobj.read(len, buffer)
-            else:
-                v = self._sslobj.read(len or 1024)
-            return v
+            return self._sslobj.read(len, buffer)
         except SSLError as x:
             if x.args[0] == SSL_ERROR_EOF and self.suppress_ragged_eofs:
                 if buffer is not None:
@@ -647,7 +810,7 @@ class SSLSocket(socket):
 
         self._checkClosed()
         self._check_connected()
-        return self._sslobj.peer_certificate(binary_form)
+        return self._sslobj.getpeercert(binary_form)
 
     def selected_npn_protocol(self):
         self._checkClosed()
@@ -656,6 +819,13 @@ class SSLSocket(socket):
         else:
             return self._sslobj.selected_npn_protocol()
 
+    def selected_alpn_protocol(self):
+        self._checkClosed()
+        if not self._sslobj or not _ssl.HAS_ALPN:
+            return None
+        else:
+            return self._sslobj.selected_alpn_protocol()
+
     def cipher(self):
         self._checkClosed()
         if not self._sslobj:
@@ -663,6 +833,12 @@ class SSLSocket(socket):
         else:
             return self._sslobj.cipher()
 
+    def shared_ciphers(self):
+        self._checkClosed()
+        if not self._sslobj:
+            return None
+        return self._sslobj.shared_ciphers()
+
     def compression(self):
         self._checkClosed()
         if not self._sslobj:
@@ -677,17 +853,7 @@ class SSLSocket(socket):
                 raise ValueError(
                     "non-zero flags not allowed in calls to send() on %s" %
                     self.__class__)
-            try:
-                v = self._sslobj.write(data)
-            except SSLError as x:
-                if x.args[0] == SSL_ERROR_WANT_READ:
-                    return 0
-                elif x.args[0] == SSL_ERROR_WANT_WRITE:
-                    return 0
-                else:
-                    raise
-            else:
-                return v
+            return self._sslobj.write(data)
         else:
             return socket.send(self, data, flags)
 
@@ -723,6 +889,16 @@ class SSLSocket(socket):
         else:
             return socket.sendall(self, data, flags)
 
+    def sendfile(self, file, offset=0, count=None):
+        """Send a file, possibly by using os.sendfile() if this is a
+        clear-text socket.  Return the total number of bytes sent.
+        """
+        if self._sslobj is None:
+            # os.sendfile() works with plain sockets only
+            return super().sendfile(file, offset, count)
+        else:
+            return self._sendfile_use_send(file, offset, count)
+
     def recv(self, buflen=1024, flags=0):
         self._checkClosed()
         if self._sslobj:
@@ -787,7 +963,7 @@ class SSLSocket(socket):
 
     def unwrap(self):
         if self._sslobj:
-            s = self._sslobj.shutdown()
+            s = self._sslobj.unwrap()
             self._sslobj = None
             return s
         else:
@@ -808,12 +984,6 @@ class SSLSocket(socket):
         finally:
             self.settimeout(timeout)
 
-        if self.context.check_hostname:
-            if not self.server_hostname:
-                raise ValueError("check_hostname needs server_hostname "
-                                 "argument")
-            match_hostname(self.getpeercert(), self.server_hostname)
-
     def _real_connect(self, addr, connect_ex):
         if self.server_side:
             raise ValueError("can't connect in server-side mode")
@@ -821,7 +991,8 @@ class SSLSocket(socket):
         # connected at the time of the call.  We connect it, then wrap it.
         if self._connected:
             raise ValueError("attempt to connect already-connected SSLSocket!")
-        self._sslobj = self.context._wrap_socket(self, False, self.server_hostname)
+        sslobj = self.context._wrap_socket(self, False, self.server_hostname)
+        self._sslobj = SSLObject(sslobj, owner=self)
         try:
             if connect_ex:
                 rc = socket.connect_ex(self, addr)
@@ -864,15 +1035,18 @@ class SSLSocket(socket):
         if the requested `cb_type` is not supported.  Return bytes of the data
         or None if the data is not available (e.g. before the handshake).
         """
-        if cb_type not in CHANNEL_BINDING_TYPES:
-            raise ValueError("Unsupported channel binding type")
-        if cb_type != "tls-unique":
-            raise NotImplementedError(
-                            "{0} channel binding type not implemented"
-                            .format(cb_type))
         if self._sslobj is None:
             return None
-        return self._sslobj.tls_unique_cb()
+        return self._sslobj.get_channel_binding(cb_type)
+
+    def version(self):
+        """
+        Return a string identifying the protocol version used by the
+        current SSL channel, or None if there is no established channel.
+        """
+        if self._sslobj is None:
+            return None
+        return self._sslobj.version()
 
 
 def wrap_socket(sock, keyfile=None, certfile=None,
@@ -892,12 +1066,34 @@ def wrap_socket(sock, keyfile=None, certfile=None,
 # some utility functions
 
 def cert_time_to_seconds(cert_time):
-    """Takes a date-time string in standard ASN1_print form
-    ("MON DAY 24HOUR:MINUTE:SEC YEAR TIMEZONE") and return
-    a Python time value in seconds past the epoch."""
+    """Return the time in seconds since the Epoch, given the timestring
+    representing the "notBefore" or "notAfter" date from a certificate
+    in ``"%b %d %H:%M:%S %Y %Z"`` strptime format (C locale).
+
+    "notBefore" or "notAfter" dates must use UTC (RFC 5280).
 
-    import time
-    return time.mktime(time.strptime(cert_time, "%b %d %H:%M:%S %Y GMT"))
+    Month is one of: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
+    UTC should be specified as GMT (see ASN1_TIME_print())
+    """
+    from time import strptime
+    from calendar import timegm
+
+    months = (
+        "Jan","Feb","Mar","Apr","May","Jun",
+        "Jul","Aug","Sep","Oct","Nov","Dec"
+    )
+    time_format = ' %d %H:%M:%S %Y GMT' # NOTE: no month, fixed GMT
+    try:
+        month_number = months.index(cert_time[:3].title()) + 1
+    except ValueError:
+        raise ValueError('time data %r does not match '
+                         'format "%%b%s"' % (cert_time, time_format))
+    else:
+        # found valid month
+        tt = strptime(cert_time[3:], time_format)
+        # return an integer, the previous mktime()-based implementation
+        # returned a float (fractional seconds are always zero here).
+        return timegm((tt[0], month_number) + tt[2:6])
 
 PEM_HEADER = "-----BEGIN CERTIFICATE-----"
 PEM_FOOTER = "-----END CERTIFICATE-----"
diff --git a/Lib/stat.py b/Lib/stat.py
index 3eecc3e..46837c0 100644
--- a/Lib/stat.py
+++ b/Lib/stat.py
@@ -148,6 +148,29 @@ def filemode(mode):
             perm.append("-")
     return "".join(perm)
 
+
+# Windows FILE_ATTRIBUTE constants for interpreting os.stat()'s
+# "st_file_attributes" member
+
+FILE_ATTRIBUTE_ARCHIVE = 32
+FILE_ATTRIBUTE_COMPRESSED = 2048
+FILE_ATTRIBUTE_DEVICE = 64
+FILE_ATTRIBUTE_DIRECTORY = 16
+FILE_ATTRIBUTE_ENCRYPTED = 16384
+FILE_ATTRIBUTE_HIDDEN = 2
+FILE_ATTRIBUTE_INTEGRITY_STREAM = 32768
+FILE_ATTRIBUTE_NORMAL = 128
+FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 8192
+FILE_ATTRIBUTE_NO_SCRUB_DATA = 131072
+FILE_ATTRIBUTE_OFFLINE = 4096
+FILE_ATTRIBUTE_READONLY = 1
+FILE_ATTRIBUTE_REPARSE_POINT = 1024
+FILE_ATTRIBUTE_SPARSE_FILE = 512
+FILE_ATTRIBUTE_SYSTEM = 4
+FILE_ATTRIBUTE_TEMPORARY = 256
+FILE_ATTRIBUTE_VIRTUAL = 65536
+
+
 # If available, use C implementation
 try:
     from _stat import *
diff --git a/Lib/statistics.py b/Lib/statistics.py
index 25a26d4..3972ed2 100644
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -150,7 +150,7 @@ def _sum(data, start=0):
     # We fail as soon as we reach a value that is not an int or the type of
     # the first value which is not an int. E.g. _sum([int, int, float, int])
     # is okay, but sum([int, int, float, Fraction]) is not.
-    allowed_types = set([int, type(start)])
+    allowed_types = {int, type(start)}
     n, d = _exact_ratio(start)
     partials = {d: n}  # map {denominator: sum of numerators}
     # Micro-optimizations.
@@ -168,7 +168,7 @@ def _sum(data, start=0):
         assert allowed_types.pop() is int
         T = int
     else:
-        T = (allowed_types - set([int])).pop()
+        T = (allowed_types - {int}).pop()
     if None in partials:
         assert issubclass(T, (float, Decimal))
         assert not math.isfinite(partials[None])
diff --git a/Lib/string.py b/Lib/string.py
index a4c48b2..f3365c6 100644
--- a/Lib/string.py
+++ b/Lib/string.py
@@ -178,6 +178,9 @@ class Formatter:
         except ValueError:
             if 'format_string' in kwargs:
                 format_string = kwargs.pop('format_string')
+                import warnings
+                warnings.warn("Passing 'format_string' as keyword argument is "
+                              "deprecated", DeprecationWarning, stacklevel=2)
             else:
                 raise TypeError("format() missing 1 required positional "
                                 "argument: 'format_string'") from None
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index f11e538..b6c4374 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -104,17 +104,21 @@ in the child process prior to executing the command.
 If env is not None, it defines the environment variables for the new
 process.
 
-If universal_newlines is false, the file objects stdin, stdout and stderr
+If universal_newlines is False, the file objects stdin, stdout and stderr
 are opened as binary files, and no line ending conversion is done.
 
-If universal_newlines is true, the file objects stdout and stderr are
-opened as a text files, but lines may be terminated by any of '\n',
+If universal_newlines is True, the file objects stdout and stderr are
+opened as a text file, but lines may be terminated by any of '\n',
 the Unix end-of-line convention, '\r', the old Macintosh convention or
 '\r\n', the Windows convention.  All of these external representations
 are seen as '\n' by the Python program.  Also, the newlines attribute
 of the file objects stdout, stdin and stderr are not updated by the
 communicate() method.
 
+In either case, the process being communicated with should start up
+expecting to receive bytes on its standard input and decode them with
+the same encoding they are sent in.
+
 The startupinfo and creationflags, if given, will be passed to the
 underlying CreateProcess() function.  They can specify things such as
 appearance of the main window and priority for the new process.
@@ -184,6 +188,9 @@ check_output(*popenargs, **kwargs):
     pass a string to the subprocess's stdin.  If you use this argument
     you may not also use the Popen constructor's "stdin" argument.
 
+    If universal_newlines is set to True, the "input" argument must
+    be a string rather than bytes, and the return value will be a string.
+
 Exceptions
 ----------
 Exceptions raised in the child process, before the new program has
@@ -225,9 +232,13 @@ wait()
 communicate(input=None)
     Interact with process: Send data to stdin.  Read data from stdout
     and stderr, until end-of-file is reached.  Wait for process to
-    terminate.  The optional input argument should be a string to be
+    terminate.  The optional input argument should be data to be
     sent to the child process, or None, if no data should be sent to
-    the child.
+    the child. If the Popen instance was constructed with universal_newlines
+    set to True, the input argument should be a string and will be encoded
+    using the preferred system encoding (see locale.getpreferredencoding);
+    if universal_newlines is False, the input argument should be a
+    byte string.
 
     communicate() returns a tuple (stdout, stderr).
 
@@ -345,7 +356,7 @@ Popen(["/bin/mycmd", "myarg"], env={"PATH": "/usr/bin"})
 """
 
 import sys
-mswindows = (sys.platform == "win32")
+_mswindows = (sys.platform == "win32")
 
 import io
 import os
@@ -354,10 +365,7 @@ import signal
 import builtins
 import warnings
 import errno
-try:
-    from time import monotonic as _time
-except ImportError:
-    from time import time as _time
+from time import monotonic as _time
 
 # Exception classes used by this module.
 class SubprocessError(Exception): pass
@@ -369,29 +377,53 @@ class CalledProcessError(SubprocessError):
     The exit status will be stored in the returncode attribute;
     check_output() will also store the output in the output attribute.
     """
-    def __init__(self, returncode, cmd, output=None):
+    def __init__(self, returncode, cmd, output=None, stderr=None):
         self.returncode = returncode
         self.cmd = cmd
         self.output = output
+        self.stderr = stderr
+
     def __str__(self):
         return "Command '%s' returned non-zero exit status %d" % (self.cmd, self.returncode)
 
+    @property
+    def stdout(self):
+        """Alias for output attribute, to match stderr"""
+        return self.output
+
+    @stdout.setter
+    def stdout(self, value):
+        # There's no obvious reason to set this, but allow it anyway so
+        # .stdout is a transparent alias for .output
+        self.output = value
+
 
 class TimeoutExpired(SubprocessError):
     """This exception is raised when the timeout expires while waiting for a
     child process.
     """
-    def __init__(self, cmd, timeout, output=None):
+    def __init__(self, cmd, timeout, output=None, stderr=None):
         self.cmd = cmd
         self.timeout = timeout
         self.output = output
+        self.stderr = stderr
 
     def __str__(self):
         return ("Command '%s' timed out after %s seconds" %
                 (self.cmd, self.timeout))
 
+    @property
+    def stdout(self):
+        return self.output
+
+    @stdout.setter
+    def stdout(self, value):
+        # There's no obvious reason to set this, but allow it anyway so
+        # .stdout is a transparent alias for .output
+        self.output = value
 
-if mswindows:
+
+if _mswindows:
     import threading
     import msvcrt
     import _winapi
@@ -425,9 +457,12 @@ else:
 
 
 __all__ = ["Popen", "PIPE", "STDOUT", "call", "check_call", "getstatusoutput",
-           "getoutput", "check_output", "CalledProcessError", "DEVNULL"]
+           "getoutput", "check_output", "run", "CalledProcessError", "DEVNULL",
+           "SubprocessError", "TimeoutExpired", "CompletedProcess"]
+           # NOTE: We intentionally exclude list2cmdline as it is
+           # considered an internal implementation detail.  issue10838.
 
-if mswindows:
+if _mswindows:
     from _winapi import (CREATE_NEW_CONSOLE, CREATE_NEW_PROCESS_GROUP,
                          STD_INPUT_HANDLE, STD_OUTPUT_HANDLE,
                          STD_ERROR_HANDLE, SW_HIDE,
@@ -453,15 +488,11 @@ if mswindows:
             raise ValueError("already closed")
 
         def __repr__(self):
-            return "Handle(%d)" % int(self)
+            return "%s(%d)" % (self.__class__.__name__, int(self))
 
         __del__ = Close
         __str__ = __repr__
 
-try:
-    MAXFD = os.sysconf("SC_OPEN_MAX")
-except:
-    MAXFD = 256
 
 # This lists holds Popen instances for which the underlying process had not
 # exited at the time its __del__ method got called: those processes are wait()ed
@@ -485,14 +516,6 @@ STDOUT = -2
 DEVNULL = -3
 
 
-def _eintr_retry_call(func, *args):
-    while True:
-        try:
-            return func(*args)
-        except InterruptedError:
-            continue
-
-
 # XXX This function is only used by multiprocessing and the test suite,
 # but it's here so that it can be imported when Python is compiled without
 # threads.
@@ -591,34 +614,102 @@ def check_output(*popenargs, timeout=None, **kwargs):
     ...              input=b"when in the course of fooman events\n")
     b'when in the course of barman events\n'
 
-    If universal_newlines=True is passed, the return value will be a
-    string rather than bytes.
+    If universal_newlines=True is passed, the "input" argument must be a
+    string and the return value will be a string rather than bytes.
     """
     if 'stdout' in kwargs:
         raise ValueError('stdout argument not allowed, it will be overridden.')
-    if 'input' in kwargs:
+
+    if 'input' in kwargs and kwargs['input'] is None:
+        # Explicitly passing input=None was previously equivalent to passing an
+        # empty string. That is maintained here for backwards compatibility.
+        kwargs['input'] = '' if kwargs.get('universal_newlines', False) else b''
+
+    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
+               **kwargs).stdout
+
+
+class CompletedProcess(object):
+    """A process that has finished running.
+
+    This is returned by run().
+
+    Attributes:
+      args: The list or str args passed to run().
+      returncode: The exit code of the process, negative for signals.
+      stdout: The standard output (None if not captured).
+      stderr: The standard error (None if not captured).
+    """
+    def __init__(self, args, returncode, stdout=None, stderr=None):
+        self.args = args
+        self.returncode = returncode
+        self.stdout = stdout
+        self.stderr = stderr
+
+    def __repr__(self):
+        args = ['args={!r}'.format(self.args),
+                'returncode={!r}'.format(self.returncode)]
+        if self.stdout is not None:
+            args.append('stdout={!r}'.format(self.stdout))
+        if self.stderr is not None:
+            args.append('stderr={!r}'.format(self.stderr))
+        return "{}({})".format(type(self).__name__, ', '.join(args))
+
+    def check_returncode(self):
+        """Raise CalledProcessError if the exit code is non-zero."""
+        if self.returncode:
+            raise CalledProcessError(self.returncode, self.args, self.stdout,
+                                     self.stderr)
+
+
+def run(*popenargs, input=None, timeout=None, check=False, **kwargs):
+    """Run command with arguments and return a CompletedProcess instance.
+
+    The returned instance will have attributes args, returncode, stdout and
+    stderr. By default, stdout and stderr are not captured, and those attributes
+    will be None. Pass stdout=PIPE and/or stderr=PIPE in order to capture them.
+
+    If check is True and the exit code was non-zero, it raises a
+    CalledProcessError. The CalledProcessError object will have the return code
+    in the returncode attribute, and output & stderr attributes if those streams
+    were captured.
+
+    If timeout is given, and the process takes too long, a TimeoutExpired
+    exception will be raised.
+
+    There is an optional argument "input", allowing you to
+    pass a string to the subprocess's stdin.  If you use this argument
+    you may not also use the Popen constructor's "stdin" argument, as
+    it will be used internally.
+
+    The other arguments are the same as for the Popen constructor.
+
+    If universal_newlines=True is passed, the "input" argument must be a
+    string and stdout/stderr in the returned object will be strings rather than
+    bytes.
+    """
+    if input is not None:
         if 'stdin' in kwargs:
             raise ValueError('stdin and input arguments may not both be used.')
-        inputdata = kwargs['input']
-        del kwargs['input']
         kwargs['stdin'] = PIPE
-    else:
-        inputdata = None
-    with Popen(*popenargs, stdout=PIPE, **kwargs) as process:
+
+    with Popen(*popenargs, **kwargs) as process:
         try:
-            output, unused_err = process.communicate(inputdata, timeout=timeout)
+            stdout, stderr = process.communicate(input, timeout=timeout)
         except TimeoutExpired:
             process.kill()
-            output, unused_err = process.communicate()
-            raise TimeoutExpired(process.args, timeout, output=output)
+            stdout, stderr = process.communicate()
+            raise TimeoutExpired(process.args, timeout, output=stdout,
+                                 stderr=stderr)
         except:
             process.kill()
             process.wait()
             raise
         retcode = process.poll()
-        if retcode:
-            raise CalledProcessError(retcode, process.args, output=output)
-    return output
+        if check and retcode:
+            raise CalledProcessError(retcode, process.args,
+                                     output=stdout, stderr=stderr)
+    return CompletedProcess(process.args, retcode, stdout, stderr)
 
 
 def list2cmdline(seq):
@@ -766,7 +857,7 @@ class Popen(object):
         if not isinstance(bufsize, int):
             raise TypeError("bufsize must be an integer")
 
-        if mswindows:
+        if _mswindows:
             if preexec_fn is not None:
                 raise ValueError("preexec_fn is not supported on Windows "
                                  "platforms")
@@ -826,7 +917,7 @@ class Popen(object):
         # quickly terminating child could make our fds unwrappable
         # (see #8458).
 
-        if mswindows:
+        if _mswindows:
             if p2cwrite != -1:
                 p2cwrite = msvcrt.open_osfhandle(p2cwrite.Detach(), 0)
             if c2pread != -1:
@@ -918,14 +1009,35 @@ class Popen(object):
             self._devnull = os.open(os.devnull, os.O_RDWR)
         return self._devnull
 
+    def _stdin_write(self, input):
+        if input:
+            try:
+                self.stdin.write(input)
+            except BrokenPipeError:
+                # communicate() must ignore broken pipe error
+                pass
+            except OSError as e:
+                if e.errno == errno.EINVAL and self.poll() is not None:
+                    # Issue #19612: On Windows, stdin.write() fails with EINVAL
+                    # if the process already exited before the write
+                    pass
+                else:
+                    raise
+        self.stdin.close()
+
     def communicate(self, input=None, timeout=None):
         """Interact with process: Send data to stdin.  Read data from
         stdout and stderr, until end-of-file is reached.  Wait for
-        process to terminate.  The optional input argument should be
-        bytes to be sent to the child process, or None, if no data
-        should be sent to the child.
+        process to terminate.
 
-        communicate() returns a tuple (stdout, stderr)."""
+        The optional "input" argument should be data to be sent to the
+        child process (if self.universal_newlines is True, this should
+        be a string; if it is False, "input" should be bytes), or
+        None, if no data should be sent to the child.
+
+        communicate() returns a tuple (stdout, stderr).  These will be
+        bytes or, if self.universal_newlines was True, a string.
+        """
 
         if self._communication_started and input:
             raise ValueError("Cannot send input after starting communication")
@@ -938,18 +1050,12 @@ class Popen(object):
             stdout = None
             stderr = None
             if self.stdin:
-                if input:
-                    try:
-                        self.stdin.write(input)
-                    except OSError as e:
-                        if e.errno != errno.EPIPE and e.errno != errno.EINVAL:
-                            raise
-                self.stdin.close()
+                self._stdin_write(input)
             elif self.stdout:
-                stdout = _eintr_retry_call(self.stdout.read)
+                stdout = self.stdout.read()
                 self.stdout.close()
             elif self.stderr:
-                stderr = _eintr_retry_call(self.stderr.read)
+                stderr = self.stderr.read()
                 self.stderr.close()
             self.wait()
         else:
@@ -988,7 +1094,7 @@ class Popen(object):
             raise TimeoutExpired(self.args, orig_timeout)
 
 
-    if mswindows:
+    if _mswindows:
         #
         # Windows methods
         #
@@ -1193,21 +1299,7 @@ class Popen(object):
                 self.stderr_thread.start()
 
             if self.stdin:
-                if input is not None:
-                    try:
-                        self.stdin.write(input)
-                    except OSError as e:
-                        if e.errno == errno.EPIPE:
-                            # communicate() should ignore pipe full error
-                            pass
-                        elif (e.errno == errno.EINVAL
-                              and self.poll() is not None):
-                            # Issue #19612: stdin.write() fails with EINVAL
-                            # if the process already exited before the write
-                            pass
-                        else:
-                            raise
-                self.stdin.close()
+                self._stdin_write(input)
 
             # Wait for the reader threads, or time out.  If we time out, the
             # threads remain reading and the fds left open in case the user
@@ -1322,16 +1414,6 @@ class Popen(object):
                     errread, errwrite)
 
 
-        def _close_fds(self, fds_to_keep):
-            start_fd = 3
-            for fd in sorted(fds_to_keep):
-                if fd >= start_fd:
-                    os.closerange(start_fd, fd)
-                    start_fd = fd + 1
-            if start_fd <= MAXFD:
-                os.closerange(start_fd, MAXFD)
-
-
         def _execute_child(self, args, executable, preexec_fn, close_fds,
                            pass_fds, cwd, env,
                            startupinfo, creationflags, shell,
@@ -1417,7 +1499,7 @@ class Popen(object):
                 # exception (limited in size)
                 errpipe_data = bytearray()
                 while True:
-                    part = _eintr_retry_call(os.read, errpipe_read, 50000)
+                    part = os.read(errpipe_read, 50000)
                     errpipe_data += part
                     if not part or len(errpipe_data) > 50000:
                         break
@@ -1427,10 +1509,9 @@ class Popen(object):
 
             if errpipe_data:
                 try:
-                    _eintr_retry_call(os.waitpid, self.pid, 0)
-                except OSError as e:
-                    if e.errno != errno.ECHILD:
-                        raise
+                    os.waitpid(self.pid, 0)
+                except ChildProcessError:
+                    pass
                 try:
                     exception_name, hex_errno, err_msg = (
                             errpipe_data.split(b':', 2))
@@ -1513,10 +1594,8 @@ class Popen(object):
         def _try_wait(self, wait_flags):
             """All callers to this function MUST hold self._waitpid_lock."""
             try:
-                (pid, sts) = _eintr_retry_call(os.waitpid, self.pid, wait_flags)
-            except OSError as e:
-                if e.errno != errno.ECHILD:
-                    raise
+                (pid, sts) = os.waitpid(self.pid, wait_flags)
+            except ChildProcessError:
                 # This happens if SIGCLD is set to be ignored or waiting
                 # for child processes has otherwise been disabled for our
                 # process.  This child is dead, we can't get the status.
@@ -1628,12 +1707,9 @@ class Popen(object):
                                                self._input_offset + _PIPE_BUF]
                             try:
                                 self._input_offset += os.write(key.fd, chunk)
-                            except OSError as e:
-                                if e.errno == errno.EPIPE:
-                                    selector.unregister(key.fileobj)
-                                    key.fileobj.close()
-                                else:
-                                    raise
+                            except BrokenPipeError:
+                                selector.unregister(key.fileobj)
+                                key.fileobj.close()
                             else:
                                 if self._input_offset >= len(self._input):
                                     selector.unregister(key.fileobj)
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index dbf7767..137932e 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -57,7 +57,7 @@ _INSTALL_SCHEMES = {
         'purelib': '{userbase}/Python{py_version_nodot}/site-packages',
         'platlib': '{userbase}/Python{py_version_nodot}/site-packages',
         'include': '{userbase}/Python{py_version_nodot}/Include',
-        'scripts': '{userbase}/Scripts',
+        'scripts': '{userbase}/Python{py_version_nodot}/Scripts',
         'data': '{userbase}',
         },
     'posix_user': {
@@ -109,13 +109,8 @@ else:
     # unable to retrieve the real program name
     _PROJECT_BASE = _safe_realpath(os.getcwd())
 
-if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower():
-    _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir))
-# PC/VS7.1
-if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower():
-    _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
-# PC/AMD64
-if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower():
+if (os.name == 'nt' and
+    _PROJECT_BASE.lower().endswith(('\\pcbuild\\win32', '\\pcbuild\\amd64'))):
     _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
 
 # set for cross builds
@@ -129,11 +124,9 @@ def _is_python_source_dir(d):
     return False
 
 _sys_home = getattr(sys, '_home', None)
-if _sys_home and os.name == 'nt' and \
-    _sys_home.lower().endswith(('pcbuild', 'pcbuild\\amd64')):
-    _sys_home = os.path.dirname(_sys_home)
-    if _sys_home.endswith('pcbuild'):   # must be amd64
-        _sys_home = os.path.dirname(_sys_home)
+if (_sys_home and os.name == 'nt' and
+    _sys_home.lower().endswith(('\\pcbuild\\win32', '\\pcbuild\\amd64'))):
+    _sys_home = os.path.dirname(os.path.dirname(_sys_home))
 def is_python_build(check_home=False):
     if check_home and _sys_home:
         return _is_python_source_dir(_sys_home)
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index e3a2bb3..0f1c825 100755
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -1410,9 +1410,9 @@ class TarFile(object):
            can be determined, `mode' is overridden by `fileobj's mode.
            `fileobj' is not closed, when TarFile is closed.
         """
-        modes = {"r": "rb", "a": "r+b", "w": "wb"}
+        modes = {"r": "rb", "a": "r+b", "w": "wb", "x": "xb"}
         if mode not in modes:
-            raise ValueError("mode must be 'r', 'a' or 'w'")
+            raise ValueError("mode must be 'r', 'a', 'w' or 'x'")
         self.mode = mode
         self._mode = modes[mode]
 
@@ -1525,6 +1525,15 @@ class TarFile(object):
            'w:bz2'      open for writing with bzip2 compression
            'w:xz'       open for writing with lzma compression
 
+           'x' or 'x:'  create a tarfile exclusively without compression, raise
+                        an exception if the file is already created
+           'x:gz'       create an gzip compressed tarfile, raise an exception
+                        if the file is already created
+           'x:bz2'      create an bzip2 compressed tarfile, raise an exception
+                        if the file is already created
+           'x:xz'       create an lzma compressed tarfile, raise an exception
+                        if the file is already created
+
            'r|*'        open a stream of tar blocks with transparent compression
            'r|'         open an uncompressed stream of tar blocks for reading
            'r|gz'       open a gzip compressed stream of tar blocks
@@ -1583,7 +1592,7 @@ class TarFile(object):
             t._extfileobj = False
             return t
 
-        elif mode in ("a", "w"):
+        elif mode in ("a", "w", "x"):
             return cls.taropen(name, mode, fileobj, **kwargs)
 
         raise ValueError("undiscernible mode")
@@ -1592,8 +1601,8 @@ class TarFile(object):
     def taropen(cls, name, mode="r", fileobj=None, **kwargs):
         """Open uncompressed tar archive name for reading or writing.
         """
-        if mode not in ("r", "a", "w"):
-            raise ValueError("mode must be 'r', 'a' or 'w'")
+        if mode not in ("r", "a", "w", "x"):
+            raise ValueError("mode must be 'r', 'a', 'w' or 'x'")
         return cls(name, mode, fileobj, **kwargs)
 
     @classmethod
@@ -1601,8 +1610,8 @@ class TarFile(object):
         """Open gzip compressed tar archive name for reading or writing.
            Appending is not allowed.
         """
-        if mode not in ("r", "w"):
-            raise ValueError("mode must be 'r' or 'w'")
+        if mode not in ("r", "w", "x"):
+            raise ValueError("mode must be 'r', 'w' or 'x'")
 
         try:
             import gzip
@@ -1635,8 +1644,8 @@ class TarFile(object):
         """Open bzip2 compressed tar archive name for reading or writing.
            Appending is not allowed.
         """
-        if mode not in ("r", "w"):
-            raise ValueError("mode must be 'r' or 'w'.")
+        if mode not in ("r", "w", "x"):
+            raise ValueError("mode must be 'r', 'w' or 'x'")
 
         try:
             import bz2
@@ -1664,8 +1673,8 @@ class TarFile(object):
         """Open lzma compressed tar archive name for reading or writing.
            Appending is not allowed.
         """
-        if mode not in ("r", "w"):
-            raise ValueError("mode must be 'r' or 'w'")
+        if mode not in ("r", "w", "x"):
+            raise ValueError("mode must be 'r', 'w' or 'x'")
 
         try:
             import lzma
@@ -1753,7 +1762,7 @@ class TarFile(object):
            addfile(). If given, `arcname' specifies an alternative name for the
            file in the archive.
         """
-        self._check("aw")
+        self._check("awx")
 
         # When fileobj is given, replace name by
         # fileobj's real name.
@@ -1844,14 +1853,17 @@ class TarFile(object):
                 tarinfo.devminor = os.minor(statres.st_rdev)
         return tarinfo
 
-    def list(self, verbose=True):
+    def list(self, verbose=True, *, members=None):
         """Print a table of contents to sys.stdout. If `verbose' is False, only
            the names of the members are printed. If it is True, an `ls -l'-like
-           output is produced.
+           output is produced. `members' is optional and must be a subset of the
+           list returned by getmembers().
         """
         self._check()
 
-        for tarinfo in self:
+        if members is None:
+            members = self
+        for tarinfo in members:
             if verbose:
                 _safe_print(stat.filemode(tarinfo.mode))
                 _safe_print("%s/%s" % (tarinfo.uname or tarinfo.uid,
@@ -1884,7 +1896,7 @@ class TarFile(object):
            TarInfo object, if it returns None the TarInfo object will be
            excluded from the archive.
         """
-        self._check("aw")
+        self._check("awx")
 
         if arcname is None:
             arcname = name
@@ -1941,7 +1953,7 @@ class TarFile(object):
            On Windows platforms, `fileobj' should always be opened with mode
            'rb' to avoid irritation about the file size.
         """
-        self._check("aw")
+        self._check("awx")
 
         tarinfo = copy.copy(tarinfo)
 
@@ -1960,12 +1972,13 @@ class TarFile(object):
 
         self.members.append(tarinfo)
 
-    def extractall(self, path=".", members=None):
+    def extractall(self, path=".", members=None, *, numeric_owner=False):
         """Extract all members from the archive to the current working
            directory and set owner, modification time and permissions on
            directories afterwards. `path' specifies a different directory
            to extract to. `members' is optional and must be a subset of the
-           list returned by getmembers().
+           list returned by getmembers(). If `numeric_owner` is True, only
+           the numbers for user/group names are used and not the names.
         """
         directories = []
 
@@ -1979,7 +1992,8 @@ class TarFile(object):
                 tarinfo = copy.copy(tarinfo)
                 tarinfo.mode = 0o700
             # Do not set_attrs directories, as we will do that further down
-            self.extract(tarinfo, path, set_attrs=not tarinfo.isdir())
+            self.extract(tarinfo, path, set_attrs=not tarinfo.isdir(),
+                         numeric_owner=numeric_owner)
 
         # Reverse sort directories.
         directories.sort(key=lambda a: a.name)
@@ -1989,7 +2003,7 @@ class TarFile(object):
         for tarinfo in directories:
             dirpath = os.path.join(path, tarinfo.name)
             try:
-                self.chown(tarinfo, dirpath)
+                self.chown(tarinfo, dirpath, numeric_owner=numeric_owner)
                 self.utime(tarinfo, dirpath)
                 self.chmod(tarinfo, dirpath)
             except ExtractError as e:
@@ -1998,12 +2012,14 @@ class TarFile(object):
                 else:
                     self._dbg(1, "tarfile: %s" % e)
 
-    def extract(self, member, path="", set_attrs=True):
+    def extract(self, member, path="", set_attrs=True, *, numeric_owner=False):
         """Extract a member from the archive to the current working directory,
            using its full name. Its file information is extracted as accurately
            as possible. `member' may be a filename or a TarInfo object. You can
            specify a different directory using `path'. File attributes (owner,
-           mtime, mode) are set unless `set_attrs' is False.
+           mtime, mode) are set unless `set_attrs' is False. If `numeric_owner`
+           is True, only the numbers for user/group names are used and not
+           the names.
         """
         self._check("r")
 
@@ -2018,7 +2034,8 @@ class TarFile(object):
 
         try:
             self._extract_member(tarinfo, os.path.join(path, tarinfo.name),
-                                 set_attrs=set_attrs)
+                                 set_attrs=set_attrs,
+                                 numeric_owner=numeric_owner)
         except OSError as e:
             if self.errorlevel > 0:
                 raise
@@ -2064,7 +2081,8 @@ class TarFile(object):
             # blkdev, etc.), return None instead of a file object.
             return None
 
-    def _extract_member(self, tarinfo, targetpath, set_attrs=True):
+    def _extract_member(self, tarinfo, targetpath, set_attrs=True,
+                        numeric_owner=False):
         """Extract the TarInfo object tarinfo to a physical
            file called targetpath.
         """
@@ -2102,7 +2120,7 @@ class TarFile(object):
             self.makefile(tarinfo, targetpath)
 
         if set_attrs:
-            self.chown(tarinfo, targetpath)
+            self.chown(tarinfo, targetpath, numeric_owner)
             if not tarinfo.issym():
                 self.chmod(tarinfo, targetpath)
                 self.utime(tarinfo, targetpath)
@@ -2191,19 +2209,24 @@ class TarFile(object):
             except KeyError:
                 raise ExtractError("unable to resolve link inside archive")
 
-    def chown(self, tarinfo, targetpath):
-        """Set owner of targetpath according to tarinfo.
+    def chown(self, tarinfo, targetpath, numeric_owner):
+        """Set owner of targetpath according to tarinfo. If numeric_owner
+           is True, use .gid/.uid instead of .gname/.uname.
         """
         if pwd and hasattr(os, "geteuid") and os.geteuid() == 0:
             # We have to be root to do so.
-            try:
-                g = grp.getgrnam(tarinfo.gname)[2]
-            except KeyError:
+            if numeric_owner:
                 g = tarinfo.gid
-            try:
-                u = pwd.getpwnam(tarinfo.uname)[2]
-            except KeyError:
                 u = tarinfo.uid
+            else:
+                try:
+                    g = grp.getgrnam(tarinfo.gname)[2]
+                except KeyError:
+                    g = tarinfo.gid
+                try:
+                    u = pwd.getpwnam(tarinfo.uname)[2]
+                except KeyError:
+                    u = tarinfo.uid
             try:
                 if tarinfo.issym() and hasattr(os, "lchown"):
                     os.lchown(targetpath, u, g)
diff --git a/Lib/telnetlib.py b/Lib/telnetlib.py
index 51738f0..72dabc7 100644
--- a/Lib/telnetlib.py
+++ b/Lib/telnetlib.py
@@ -36,10 +36,7 @@ To do:
 import sys
 import socket
 import selectors
-try:
-    from time import monotonic as _time
-except ImportError:
-    from time import time as _time
+from time import monotonic as _time
 
 __all__ = ["Telnet"]
 
@@ -265,8 +262,8 @@ class Telnet:
     def close(self):
         """Close the connection."""
         sock = self.sock
-        self.sock = 0
-        self.eof = 1
+        self.sock = None
+        self.eof = True
         self.iacseq = b''
         self.sb = 0
         if sock:
diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index a2764d3..81c289a 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -481,6 +481,11 @@ if _os.name != 'posix' or _os.sys.platform == 'cygwin':
     TemporaryFile = NamedTemporaryFile
 
 else:
+    # Is the O_TMPFILE flag available and does it work?
+    # The flag is set to False if os.open(dir, os.O_TMPFILE) raises an
+    # IsADirectoryError exception
+    _O_TMPFILE_WORKS = hasattr(_os, 'O_TMPFILE')
+
     def TemporaryFile(mode='w+b', buffering=-1, encoding=None,
                       newline=None, suffix="", prefix=template,
                       dir=None):
@@ -496,11 +501,32 @@ else:
         Returns an object with a file-like interface.  The file has no
         name, and will cease to exist when it is closed.
         """
+        global _O_TMPFILE_WORKS
 
         if dir is None:
             dir = gettempdir()
 
         flags = _bin_openflags
+        if _O_TMPFILE_WORKS:
+            try:
+                flags2 = (flags | _os.O_TMPFILE) & ~_os.O_CREAT
+                fd = _os.open(dir, flags2, 0o600)
+            except IsADirectoryError:
+                # Linux kernel older than 3.11 ignores O_TMPFILE flag.
+                # Set flag to False to not try again.
+                _O_TMPFILE_WORKS = False
+            except OSError:
+                # The filesystem of the directory does not support O_TMPFILE.
+                # For example, OSError(95, 'Operation not supported').
+                pass
+            else:
+                try:
+                    return _io.open(fd, mode, buffering=buffering,
+                                    newline=newline, encoding=encoding)
+                except:
+                    _os.close(fd)
+                    raise
+            # Fallback to _mkstemp_inner().
 
         (fd, name) = _mkstemp_inner(dir, prefix, suffix, flags)
         try:
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 204d894..b66cb40 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -2624,7 +2624,7 @@ class _TestPicklingConnections(BaseTestCase):
 
         l = socket.socket()
         l.bind((test.support.HOST, 0))
-        l.listen(1)
+        l.listen()
         conn.send(l.getsockname())
         new_conn, addr = l.accept()
         conn.send(new_conn)
@@ -3271,7 +3271,7 @@ class TestWait(unittest.TestCase):
         from multiprocessing.connection import wait
         l = socket.socket()
         l.bind((test.support.HOST, 0))
-        l.listen(4)
+        l.listen()
         addr = l.getsockname()
         readers = []
         procs = []
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index 8e48b9f..babeb44 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -3,6 +3,7 @@
 See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases
 """
 
+import decimal
 import sys
 import pickle
 import random
@@ -50,6 +51,17 @@ class TestModule(unittest.TestCase):
         self.assertEqual(datetime.MINYEAR, 1)
         self.assertEqual(datetime.MAXYEAR, 9999)
 
+    def test_name_cleanup(self):
+        if '_Fast' not in str(self):
+            return
+        datetime = datetime_module
+        names = set(name for name in dir(datetime)
+                    if not name.startswith('__') and not name.endswith('__'))
+        allowed = set(['MAXYEAR', 'MINYEAR', 'date', 'datetime',
+                       'datetime_CAPI', 'time', 'timedelta', 'timezone',
+                       'tzinfo'])
+        self.assertEqual(names - allowed, set([]))
+
     def test_divide_and_round(self):
         if '_Fast' in str(self):
             return
@@ -650,8 +662,12 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
         # Single-field rounding.
         eq(td(milliseconds=0.4/1000), td(0))    # rounds to 0
         eq(td(milliseconds=-0.4/1000), td(0))    # rounds to 0
+        eq(td(milliseconds=0.5/1000), td(microseconds=0))
+        eq(td(milliseconds=-0.5/1000), td(microseconds=0))
         eq(td(milliseconds=0.6/1000), td(microseconds=1))
         eq(td(milliseconds=-0.6/1000), td(microseconds=-1))
+        eq(td(seconds=0.5/10**6), td(microseconds=0))
+        eq(td(seconds=-0.5/10**6), td(microseconds=0))
 
         # Rounding due to contributions from more than one field.
         us_per_hour = 3600e6
@@ -1165,11 +1181,13 @@ class TestDate(HarmlessMixedComparison, unittest.TestCase):
         #check that this standard extension works
         t.strftime("%f")
 
-
     def test_format(self):
         dt = self.theclass(2007, 9, 10)
         self.assertEqual(dt.__format__(''), str(dt))
 
+        with self.assertRaisesRegex(TypeError, '^must be str, not int$'):
+            dt.__format__(123)
+
         # check that a derived class's __str__() gets called
         class A(self.theclass):
             def __str__(self):
@@ -1321,8 +1339,6 @@ class TestDate(HarmlessMixedComparison, unittest.TestCase):
                 return isinstance(other, LargerThanAnything)
             def __eq__(self, other):
                 return isinstance(other, LargerThanAnything)
-            def __ne__(self, other):
-                return not isinstance(other, LargerThanAnything)
             def __gt__(self, other):
                 return not isinstance(other, LargerThanAnything)
             def __ge__(self, other):
@@ -1425,9 +1441,10 @@ class TestDate(HarmlessMixedComparison, unittest.TestCase):
         for month_byte in b'9', b'\0', b'\r', b'\xff':
             self.assertRaises(TypeError, self.theclass,
                                          base[:2] + month_byte + base[3:])
-        # Good bytes, but bad tzinfo:
-        self.assertRaises(TypeError, self.theclass,
-                          bytes([1] * len(base)), 'EST')
+        if issubclass(self.theclass, datetime):
+            # Good bytes, but bad tzinfo:
+            with self.assertRaisesRegex(TypeError, '^bad tzinfo state arg$'):
+                self.theclass(bytes([1] * len(base)), 'EST')
 
         for ord_byte in range(1, 13):
             # This shouldn't blow up because of the month byte alone.  If
@@ -1503,6 +1520,9 @@ class TestDateTime(TestDate):
         dt = self.theclass(2007, 9, 10, 4, 5, 1, 123)
         self.assertEqual(dt.__format__(''), str(dt))
 
+        with self.assertRaisesRegex(TypeError, '^must be str, not int$'):
+            dt.__format__(123)
+
         # check that a derived class's __str__() gets called
         class A(self.theclass):
             def __str__(self):
@@ -1824,6 +1844,7 @@ class TestDateTime(TestDate):
                           tzinfo=timezone(timedelta(hours=-5), 'EST'))
         self.assertEqual(t.timestamp(),
                          18000 + 3600 + 2*60 + 3 + 4*1e-6)
+
     def test_microsecond_rounding(self):
         for fts in [self.theclass.fromtimestamp,
                     self.theclass.utcfromtimestamp]:
@@ -1874,6 +1895,7 @@ class TestDateTime(TestDate):
         for insane in -1e200, 1e200:
             self.assertRaises(OverflowError, self.theclass.utcfromtimestamp,
                               insane)
+
     @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
     def test_negative_float_fromtimestamp(self):
         # The result is tz-dependent; at least test that this doesn't
@@ -2253,6 +2275,9 @@ class TestTime(HarmlessMixedComparison, unittest.TestCase):
         t = self.theclass(1, 2, 3, 4)
         self.assertEqual(t.__format__(''), str(t))
 
+        with self.assertRaisesRegex(TypeError, '^must be str, not int$'):
+            t.__format__(123)
+
         # check that a derived class's __str__() gets called
         class A(self.theclass):
             def __str__(self):
@@ -2316,13 +2341,14 @@ class TestTime(HarmlessMixedComparison, unittest.TestCase):
             self.assertEqual(orig, derived)
 
     def test_bool(self):
+        # time is always True.
         cls = self.theclass
         self.assertTrue(cls(1))
         self.assertTrue(cls(0, 1))
         self.assertTrue(cls(0, 0, 1))
         self.assertTrue(cls(0, 0, 0, 1))
-        self.assertFalse(cls(0))
-        self.assertFalse(cls())
+        self.assertTrue(cls(0))
+        self.assertTrue(cls())
 
     def test_replace(self):
         cls = self.theclass
@@ -2381,6 +2407,9 @@ class TestTime(HarmlessMixedComparison, unittest.TestCase):
         for hour_byte in ' ', '9', chr(24), '\xff':
             self.assertRaises(TypeError, self.theclass,
                                          hour_byte + base[1:])
+        # Good bytes, but bad tzinfo:
+        with self.assertRaisesRegex(TypeError, '^bad tzinfo state arg$'):
+            self.theclass(bytes([1] * len(base)), 'EST')
 
 # A mixin for classes with a tzinfo= argument.  Subclasses must define
 # theclass as a class atribute, and theclass(1, 1, 1, tzinfo=whatever)
@@ -2640,7 +2669,7 @@ class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
         self.assertRaises(TypeError, t.strftime, "%Z")
 
         # Issue #6697:
-        if '_Fast' in str(type(self)):
+        if '_Fast' in str(self):
             Badtzname.tz = '\ud800'
             self.assertRaises(ValueError, t.strftime, "%Z")
 
@@ -2675,7 +2704,7 @@ class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
             self.assertEqual(derived.tzname(), 'cookie')
 
     def test_more_bool(self):
-        # Test cases with non-None tzinfo.
+        # time is always True.
         cls = self.theclass
 
         t = cls(0, tzinfo=FixedOffset(-300, ""))
@@ -2685,23 +2714,11 @@ class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
         self.assertTrue(t)
 
         t = cls(5, tzinfo=FixedOffset(300, ""))
-        self.assertFalse(t)
+        self.assertTrue(t)
 
         t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, ""))
-        self.assertFalse(t)
-
-        # Mostly ensuring this doesn't overflow internally.
-        t = cls(0, tzinfo=FixedOffset(23*60 + 59, ""))
         self.assertTrue(t)
 
-        # But this should yield a value error -- the utcoffset is bogus.
-        t = cls(0, tzinfo=FixedOffset(24*60, ""))
-        self.assertRaises(ValueError, lambda: bool(t))
-
-        # Likewise.
-        t = cls(0, tzinfo=FixedOffset(-24*60, ""))
-        self.assertRaises(ValueError, lambda: bool(t))
-
     def test_replace(self):
         cls = self.theclass
         z100 = FixedOffset(100, "+100")
@@ -3814,8 +3831,59 @@ class Oddballs(unittest.TestCase):
         self.assertEqual(as_datetime, datetime_sc)
         self.assertEqual(datetime_sc, as_datetime)
 
-def test_main():
-    support.run_unittest(__name__)
+    def test_extra_attributes(self):
+        for x in [date.today(),
+                  time(),
+                  datetime.utcnow(),
+                  timedelta(),
+                  tzinfo(),
+                  timezone(timedelta())]:
+            with self.assertRaises(AttributeError):
+                x.abc = 1
+
+    def test_check_arg_types(self):
+        class Number:
+            def __init__(self, value):
+                self.value = value
+            def __int__(self):
+                return self.value
+
+        for xx in [decimal.Decimal(10),
+                   decimal.Decimal('10.9'),
+                   Number(10)]:
+            self.assertEqual(datetime(10, 10, 10, 10, 10, 10, 10),
+                             datetime(xx, xx, xx, xx, xx, xx, xx))
+
+        with self.assertRaisesRegex(TypeError, '^an integer is required '
+                                               '\(got type str\)$'):
+            datetime(10, 10, '10')
+
+        f10 = Number(10.9)
+        with self.assertRaisesRegex(TypeError, '^__int__ returned non-int '
+                                               '\(type float\)$'):
+            datetime(10, 10, f10)
+
+        class Float(float):
+            pass
+        s10 = Float(10.9)
+        with self.assertRaisesRegex(TypeError, '^integer argument expected, '
+                                               'got float$'):
+            datetime(10, 10, s10)
+
+        with self.assertRaises(TypeError):
+            datetime(10., 10, 10)
+        with self.assertRaises(TypeError):
+            datetime(10, 10., 10)
+        with self.assertRaises(TypeError):
+            datetime(10, 10, 10.)
+        with self.assertRaises(TypeError):
+            datetime(10, 10, 10, 10.)
+        with self.assertRaises(TypeError):
+            datetime(10, 10, 10, 10, 10.)
+        with self.assertRaises(TypeError):
+            datetime(10, 10, 10, 10, 10, 10.)
+        with self.assertRaises(TypeError):
+            datetime(10, 10, 10, 10, 10, 10, 10.)
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/eintrdata/eintr_tester.py b/Lib/test/eintrdata/eintr_tester.py
new file mode 100644
index 0000000..f755880
--- /dev/null
+++ b/Lib/test/eintrdata/eintr_tester.py
@@ -0,0 +1,376 @@
+"""
+This test suite exercises some system calls subject to interruption with EINTR,
+to check that it is actually handled transparently.
+It is intended to be run by the main test suite within a child process, to
+ensure there is no background thread running (so that signals are delivered to
+the correct thread).
+Signals are generated in-process using setitimer(ITIMER_REAL), which allows
+sub-second periodicity (contrarily to signal()).
+"""
+
+import io
+import os
+import select
+import signal
+import socket
+import time
+import unittest
+
+from test import support
+
+
+@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+class EINTRBaseTest(unittest.TestCase):
+    """ Base class for EINTR tests. """
+
+    # delay for initial signal delivery
+    signal_delay = 0.1
+    # signal delivery periodicity
+    signal_period = 0.1
+    # default sleep time for tests - should obviously have:
+    # sleep_time > signal_period
+    sleep_time = 0.2
+
+    @classmethod
+    def setUpClass(cls):
+        cls.orig_handler = signal.signal(signal.SIGALRM, lambda *args: None)
+        signal.setitimer(signal.ITIMER_REAL, cls.signal_delay,
+                         cls.signal_period)
+
+    @classmethod
+    def stop_alarm(cls):
+        signal.setitimer(signal.ITIMER_REAL, 0, 0)
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.stop_alarm()
+        signal.signal(signal.SIGALRM, cls.orig_handler)
+
+    @classmethod
+    def _sleep(cls):
+        # default sleep time
+        time.sleep(cls.sleep_time)
+
+
+@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+class OSEINTRTest(EINTRBaseTest):
+    """ EINTR tests for the os module. """
+
+    def _test_wait_multiple(self, wait_func):
+        num = 3
+        for _ in range(num):
+            pid = os.fork()
+            if pid == 0:
+                self._sleep()
+                os._exit(0)
+        for _ in range(num):
+            wait_func()
+
+    def test_wait(self):
+        self._test_wait_multiple(os.wait)
+
+    @unittest.skipUnless(hasattr(os, 'wait3'), 'requires wait3()')
+    def test_wait3(self):
+        self._test_wait_multiple(lambda: os.wait3(0))
+
+    def _test_wait_single(self, wait_func):
+        pid = os.fork()
+        if pid == 0:
+            self._sleep()
+            os._exit(0)
+        else:
+            wait_func(pid)
+
+    def test_waitpid(self):
+        self._test_wait_single(lambda pid: os.waitpid(pid, 0))
+
+    @unittest.skipUnless(hasattr(os, 'wait4'), 'requires wait4()')
+    def test_wait4(self):
+        self._test_wait_single(lambda pid: os.wait4(pid, 0))
+
+    def test_read(self):
+        rd, wr = os.pipe()
+        self.addCleanup(os.close, rd)
+        # wr closed explicitly by parent
+
+        # the payload below are smaller than PIPE_BUF, hence the writes will be
+        # atomic
+        datas = [b"hello", b"world", b"spam"]
+
+        pid = os.fork()
+        if pid == 0:
+            os.close(rd)
+            for data in datas:
+                # let the parent block on read()
+                self._sleep()
+                os.write(wr, data)
+            os._exit(0)
+        else:
+            self.addCleanup(os.waitpid, pid, 0)
+            os.close(wr)
+            for data in datas:
+                self.assertEqual(data, os.read(rd, len(data)))
+
+    def test_write(self):
+        rd, wr = os.pipe()
+        self.addCleanup(os.close, wr)
+        # rd closed explicitly by parent
+
+        # we must write enough data for the write() to block
+        data = b"xyz" * support.PIPE_MAX_SIZE
+
+        pid = os.fork()
+        if pid == 0:
+            os.close(wr)
+            read_data = io.BytesIO()
+            # let the parent block on write()
+            self._sleep()
+            while len(read_data.getvalue()) < len(data):
+                chunk = os.read(rd, 2 * len(data))
+                read_data.write(chunk)
+            self.assertEqual(read_data.getvalue(), data)
+            os._exit(0)
+        else:
+            os.close(rd)
+            written = 0
+            while written < len(data):
+                written += os.write(wr, memoryview(data)[written:])
+            self.assertEqual(0, os.waitpid(pid, 0)[1])
+
+
+@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+class SocketEINTRTest(EINTRBaseTest):
+    """ EINTR tests for the socket module. """
+
+    @unittest.skipUnless(hasattr(socket, 'socketpair'), 'needs socketpair()')
+    def _test_recv(self, recv_func):
+        rd, wr = socket.socketpair()
+        self.addCleanup(rd.close)
+        # wr closed explicitly by parent
+
+        # single-byte payload guard us against partial recv
+        datas = [b"x", b"y", b"z"]
+
+        pid = os.fork()
+        if pid == 0:
+            rd.close()
+            for data in datas:
+                # let the parent block on recv()
+                self._sleep()
+                wr.sendall(data)
+            os._exit(0)
+        else:
+            self.addCleanup(os.waitpid, pid, 0)
+            wr.close()
+            for data in datas:
+                self.assertEqual(data, recv_func(rd, len(data)))
+
+    def test_recv(self):
+        self._test_recv(socket.socket.recv)
+
+    @unittest.skipUnless(hasattr(socket.socket, 'recvmsg'), 'needs recvmsg()')
+    def test_recvmsg(self):
+        self._test_recv(lambda sock, data: sock.recvmsg(data)[0])
+
+    def _test_send(self, send_func):
+        rd, wr = socket.socketpair()
+        self.addCleanup(wr.close)
+        # rd closed explicitly by parent
+
+        # we must send enough data for the send() to block
+        data = b"xyz" * (support.SOCK_MAX_SIZE // 3)
+
+        pid = os.fork()
+        if pid == 0:
+            wr.close()
+            # let the parent block on send()
+            self._sleep()
+            received_data = bytearray(len(data))
+            n = 0
+            while n < len(data):
+                n += rd.recv_into(memoryview(received_data)[n:])
+            self.assertEqual(received_data, data)
+            os._exit(0)
+        else:
+            rd.close()
+            written = 0
+            while written < len(data):
+                sent = send_func(wr, memoryview(data)[written:])
+                # sendall() returns None
+                written += len(data) if sent is None else sent
+            self.assertEqual(0, os.waitpid(pid, 0)[1])
+
+    def test_send(self):
+        self._test_send(socket.socket.send)
+
+    def test_sendall(self):
+        self._test_send(socket.socket.sendall)
+
+    @unittest.skipUnless(hasattr(socket.socket, 'sendmsg'), 'needs sendmsg()')
+    def test_sendmsg(self):
+        self._test_send(lambda sock, data: sock.sendmsg([data]))
+
+    def test_accept(self):
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.addCleanup(sock.close)
+
+        sock.bind((support.HOST, 0))
+        _, port = sock.getsockname()
+        sock.listen()
+
+        pid = os.fork()
+        if pid == 0:
+            # let parent block on accept()
+            self._sleep()
+            with socket.create_connection((support.HOST, port)):
+                self._sleep()
+            os._exit(0)
+        else:
+            self.addCleanup(os.waitpid, pid, 0)
+            client_sock, _ = sock.accept()
+            client_sock.close()
+
+    @unittest.skipUnless(hasattr(os, 'mkfifo'), 'needs mkfifo()')
+    def _test_open(self, do_open_close_reader, do_open_close_writer):
+        # Use a fifo: until the child opens it for reading, the parent will
+        # block when trying to open it for writing.
+        support.unlink(support.TESTFN)
+        os.mkfifo(support.TESTFN)
+        self.addCleanup(support.unlink, support.TESTFN)
+
+        pid = os.fork()
+        if pid == 0:
+            # let the parent block
+            self._sleep()
+            do_open_close_reader(support.TESTFN)
+            os._exit(0)
+        else:
+            self.addCleanup(os.waitpid, pid, 0)
+            do_open_close_writer(support.TESTFN)
+
+    def test_open(self):
+        self._test_open(lambda path: open(path, 'r').close(),
+                        lambda path: open(path, 'w').close())
+
+    def test_os_open(self):
+        self._test_open(lambda path: os.close(os.open(path, os.O_RDONLY)),
+                        lambda path: os.close(os.open(path, os.O_WRONLY)))
+
+
+@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+class TimeEINTRTest(EINTRBaseTest):
+    """ EINTR tests for the time module. """
+
+    def test_sleep(self):
+        t0 = time.monotonic()
+        time.sleep(self.sleep_time)
+        self.stop_alarm()
+        dt = time.monotonic() - t0
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+
+@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+class SignalEINTRTest(EINTRBaseTest):
+    """ EINTR tests for the signal module. """
+
+    @unittest.skipUnless(hasattr(signal, 'sigtimedwait'),
+                         'need signal.sigtimedwait()')
+    def test_sigtimedwait(self):
+        t0 = time.monotonic()
+        signal.sigtimedwait([signal.SIGUSR1], self.sleep_time)
+        dt = time.monotonic() - t0
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+    @unittest.skipUnless(hasattr(signal, 'sigwaitinfo'),
+                         'need signal.sigwaitinfo()')
+    def test_sigwaitinfo(self):
+        signum = signal.SIGUSR1
+        pid = os.getpid()
+
+        old_handler = signal.signal(signum, lambda *args: None)
+        self.addCleanup(signal.signal, signum, old_handler)
+
+        t0 = time.monotonic()
+        child_pid = os.fork()
+        if child_pid == 0:
+            # child
+            try:
+                self._sleep()
+                os.kill(pid, signum)
+            finally:
+                os._exit(0)
+        else:
+            # parent
+            signal.sigwaitinfo([signum])
+            dt = time.monotonic() - t0
+            os.waitpid(child_pid, 0)
+
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+
+@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+class SelectEINTRTest(EINTRBaseTest):
+    """ EINTR tests for the select module. """
+
+    def test_select(self):
+        t0 = time.monotonic()
+        select.select([], [], [], self.sleep_time)
+        dt = time.monotonic() - t0
+        self.stop_alarm()
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+    @unittest.skipUnless(hasattr(select, 'poll'), 'need select.poll')
+    def test_poll(self):
+        poller = select.poll()
+
+        t0 = time.monotonic()
+        poller.poll(self.sleep_time * 1e3)
+        dt = time.monotonic() - t0
+        self.stop_alarm()
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+    @unittest.skipUnless(hasattr(select, 'epoll'), 'need select.epoll')
+    def test_epoll(self):
+        poller = select.epoll()
+        self.addCleanup(poller.close)
+
+        t0 = time.monotonic()
+        poller.poll(self.sleep_time)
+        dt = time.monotonic() - t0
+        self.stop_alarm()
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+    @unittest.skipUnless(hasattr(select, 'kqueue'), 'need select.kqueue')
+    def test_kqueue(self):
+        kqueue = select.kqueue()
+        self.addCleanup(kqueue.close)
+
+        t0 = time.monotonic()
+        kqueue.control(None, 1, self.sleep_time)
+        dt = time.monotonic() - t0
+        self.stop_alarm()
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+    @unittest.skipUnless(hasattr(select, 'devpoll'), 'need select.devpoll')
+    def test_devpoll(self):
+        poller = select.devpoll()
+        self.addCleanup(poller.close)
+
+        t0 = time.monotonic()
+        poller.poll(self.sleep_time * 1e3)
+        dt = time.monotonic() - t0
+        self.stop_alarm()
+        self.assertGreaterEqual(dt, self.sleep_time)
+
+
+def test_main():
+    support.run_unittest(
+        OSEINTRTest,
+        SocketEINTRTest,
+        TimeEINTRTest,
+        SignalEINTRTest,
+        SelectEINTRTest)
+
+
+if __name__ == "__main__":
+    test_main()
diff --git a/Lib/test/fork_wait.py b/Lib/test/fork_wait.py
index 19b54ec..713039d 100644
--- a/Lib/test/fork_wait.py
+++ b/Lib/test/fork_wait.py
@@ -48,7 +48,12 @@ class ForkWait(unittest.TestCase):
         for i in range(NUM_THREADS):
             _thread.start_new(self.f, (i,))
 
-        time.sleep(LONGSLEEP)
+        # busy-loop to wait for threads
+        deadline = time.monotonic() + 10.0
+        while len(self.alive) < NUM_THREADS:
+            time.sleep(0.1)
+            if deadline < time.monotonic():
+                break
 
         a = sorted(self.alive.keys())
         self.assertEqual(a, list(range(NUM_THREADS)))
diff --git a/Lib/test/imghdrdata/python.exr b/Lib/test/imghdrdata/python.exr
new file mode 100644
index 0000000..773c81e
--- /dev/null
+++ b/Lib/test/imghdrdata/python.exr
diff --git a/Lib/test/imghdrdata/python.webp b/Lib/test/imghdrdata/python.webp
new file mode 100644
index 0000000..e824ec7
--- /dev/null
+++ b/Lib/test/imghdrdata/python.webp
diff --git a/Lib/test/inspect_fodder.py b/Lib/test/inspect_fodder.py
index 0c1d810..6f0cad9 100644
--- a/Lib/test/inspect_fodder.py
+++ b/Lib/test/inspect_fodder.py
@@ -45,9 +45,16 @@ class StupidGit:
             self.ex = sys.exc_info()
             self.tr = inspect.trace()
 
+    def contradiction(self):
+        'The automatic gainsaying.'
+        pass
+
 # line 48
 class MalodorousPervert(StupidGit):
-    pass
+    def abuse(self, a, b, c):
+        pass
+    def contradiction(self):
+        pass
 
 Tit = MalodorousPervert
 
@@ -55,4 +62,7 @@ class ParrotDroppings:
     pass
 
 class FesteringGob(MalodorousPervert, ParrotDroppings):
-    pass
+    def abuse(self, a, b, c):
+        pass
+    def contradiction(self):
+        pass
diff --git a/Lib/test/inspect_fodder2.py b/Lib/test/inspect_fodder2.py
index bd7106f..ab1cd9f 100644
--- a/Lib/test/inspect_fodder2.py
+++ b/Lib/test/inspect_fodder2.py
@@ -109,3 +109,24 @@ def annotated(arg1: list):
 #line 109
 def keyword_only_arg(*, arg):
     pass
+
+@wrap(lambda: None)
+def func114():
+    return 115
+
+class ClassWithMethod:
+    def method(self):
+        pass
+
+from functools import wraps
+
+def decorator(func):
+    @wraps(func)
+    def fake():
+        return 42
+    return fake
+
+#line 129
+@decorator
+def real():
+    return 20
diff --git a/Lib/test/list_tests.py b/Lib/test/list_tests.py
index 42e118b..9069337 100644
--- a/Lib/test/list_tests.py
+++ b/Lib/test/list_tests.py
@@ -30,6 +30,12 @@ class CommonTest(seq_tests.CommonTest):
         self.assertNotEqual(id(a), id(b))
         self.assertEqual(a, b)
 
+    def test_getitem_error(self):
+        msg = "list indices must be integers or slices"
+        with self.assertRaisesRegex(TypeError, msg):
+            a = []
+            a['a'] = "python"
+
     def test_repr(self):
         l0 = []
         l2 = [0, 1, 2]
@@ -120,6 +126,10 @@ class CommonTest(seq_tests.CommonTest):
         a[-1] = 9
         self.assertEqual(a, self.type2test([5,6,7,8,9]))
 
+        msg = "list indices must be integers or slices"
+        with self.assertRaisesRegex(TypeError, msg):
+            a['a'] = "python"
+
     def test_delitem(self):
         a = self.type2test([0, 1])
         del a[1]
diff --git a/Lib/test/lock_tests.py b/Lib/test/lock_tests.py
index 42a7d82..b325bce 100644
--- a/Lib/test/lock_tests.py
+++ b/Lib/test/lock_tests.py
@@ -86,7 +86,13 @@ class BaseLockTests(BaseTestCase):
 
     def test_repr(self):
         lock = self.locktype()
-        repr(lock)
+        self.assertRegex(repr(lock), "<unlocked .* object (.*)?at .*>")
+        del lock
+
+    def test_locked_repr(self):
+        lock = self.locktype()
+        lock.acquire()
+        self.assertRegex(repr(lock), "<locked .* object (.*)?at .*>")
         del lock
 
     def test_acquire_destroy(self):
diff --git a/Lib/test/mock_socket.py b/Lib/test/mock_socket.py
index e36724f..b28c473 100644
--- a/Lib/test/mock_socket.py
+++ b/Lib/test/mock_socket.py
@@ -35,8 +35,9 @@ class MockFile:
 class MockSocket:
     """Mock socket object used by smtpd and smtplib tests.
     """
-    def __init__(self):
+    def __init__(self, family=None):
         global _reply_data
+        self.family = family
         self.output = []
         self.lines = []
         if _reply_data:
@@ -101,15 +102,14 @@ class MockSocket:
         return len(data)
 
     def getpeername(self):
-        return 'peer'
+        return ('peer-address', 'peer-port')
 
     def close(self):
         pass
 
 
 def socket(family=None, type=None, proto=None):
-    return MockSocket()
-
+    return MockSocket(family)
 
 def create_connection(address, timeout=socket_module._GLOBAL_DEFAULT_TIMEOUT,
                       source_address=None):
@@ -144,13 +144,16 @@ def gethostname():
 def gethostbyname(name):
     return ""
 
+def getaddrinfo(*args, **kw):
+    return socket_module.getaddrinfo(*args, **kw)
 
 gaierror = socket_module.gaierror
 error = socket_module.error
 
 
 # Constants
-AF_INET = None
-SOCK_STREAM = None
+AF_INET = socket_module.AF_INET
+AF_INET6 = socket_module.AF_INET6
+SOCK_STREAM = socket_module.SOCK_STREAM
 SOL_SOCKET = None
 SO_REUSEADDR = None
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index 2c496d0..a0c7a0a 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -1156,16 +1156,62 @@ class AbstractPickleTests(unittest.TestCase):
                 self.assertGreaterEqual(num_additems, 2)
 
     def test_simple_newobj(self):
-        x = object.__new__(SimpleNewObj)  # avoid __init__
+        x = SimpleNewObj.__new__(SimpleNewObj, 0xface)  # avoid __init__
         x.abc = 666
         for proto in protocols:
-            s = self.dumps(x, proto)
-            self.assertEqual(opcode_in_pickle(pickle.NEWOBJ, s),
-                             2 <= proto < 4)
-            self.assertEqual(opcode_in_pickle(pickle.NEWOBJ_EX, s),
-                             proto >= 4)
-            y = self.loads(s)   # will raise TypeError if __init__ called
-            self.assert_is_copy(x, y)
+            with self.subTest(proto=proto):
+                s = self.dumps(x, proto)
+                if proto < 1:
+                    self.assertIn(b'\nL64206', s)  # LONG
+                else:
+                    self.assertIn(b'M\xce\xfa', s)  # BININT2
+                self.assertEqual(opcode_in_pickle(pickle.NEWOBJ, s),
+                                 2 <= proto)
+                self.assertFalse(opcode_in_pickle(pickle.NEWOBJ_EX, s))
+                y = self.loads(s)   # will raise TypeError if __init__ called
+                self.assert_is_copy(x, y)
+
+    def test_complex_newobj(self):
+        x = ComplexNewObj.__new__(ComplexNewObj, 0xface)  # avoid __init__
+        x.abc = 666
+        for proto in protocols:
+            with self.subTest(proto=proto):
+                s = self.dumps(x, proto)
+                if proto < 1:
+                    self.assertIn(b'\nL64206', s)  # LONG
+                elif proto < 2:
+                    self.assertIn(b'M\xce\xfa', s)  # BININT2
+                elif proto < 4:
+                    self.assertIn(b'X\x04\x00\x00\x00FACE', s)  # BINUNICODE
+                else:
+                    self.assertIn(b'\x8c\x04FACE', s)  # SHORT_BINUNICODE
+                self.assertEqual(opcode_in_pickle(pickle.NEWOBJ, s),
+                                 2 <= proto)
+                self.assertFalse(opcode_in_pickle(pickle.NEWOBJ_EX, s))
+                y = self.loads(s)   # will raise TypeError if __init__ called
+                self.assert_is_copy(x, y)
+
+    def test_complex_newobj_ex(self):
+        x = ComplexNewObjEx.__new__(ComplexNewObjEx, 0xface)  # avoid __init__
+        x.abc = 666
+        for proto in protocols:
+            with self.subTest(proto=proto):
+                if 2 <= proto < 4:
+                    self.assertRaises(ValueError, self.dumps, x, proto)
+                    continue
+                s = self.dumps(x, proto)
+                if proto < 1:
+                    self.assertIn(b'\nL64206', s)  # LONG
+                elif proto < 2:
+                    self.assertIn(b'M\xce\xfa', s)  # BININT2
+                else:
+                    assert proto >= 4
+                    self.assertIn(b'\x8c\x04FACE', s)  # SHORT_BINUNICODE
+                self.assertFalse(opcode_in_pickle(pickle.NEWOBJ, s))
+                self.assertEqual(opcode_in_pickle(pickle.NEWOBJ_EX, s),
+                                 4 <= proto)
+                y = self.loads(s)   # will raise TypeError if __init__ called
+                self.assert_is_copy(x, y)
 
     def test_newobj_list_slots(self):
         x = SlotList([1, 2, 3])
@@ -1556,13 +1602,24 @@ class AbstractPickleTests(unittest.TestCase):
                 class B:
                     class C:
                         pass
-
-        for proto in range(4, pickle.HIGHEST_PROTOCOL + 1):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             for obj in [Nested.A, Nested.A.B, Nested.A.B.C]:
                 with self.subTest(proto=proto, obj=obj):
                     unpickled = self.loads(self.dumps(obj, proto))
                     self.assertIs(obj, unpickled)
 
+    def test_recursive_nested_names(self):
+        global Recursive
+        class Recursive:
+            pass
+        Recursive.mod = sys.modules[Recursive.__module__]
+        Recursive.__qualname__ = 'Recursive.mod.Recursive'
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            with self.subTest(proto=proto):
+                unpickled = self.loads(self.dumps(Recursive, proto))
+                self.assertIs(unpickled, Recursive)
+        del Recursive.mod # break reference loop
+
     def test_py_methods(self):
         global PyMethodsTest
         class PyMethodsTest:
@@ -1601,7 +1658,7 @@ class AbstractPickleTests(unittest.TestCase):
             (PyMethodsTest.biscuits, PyMethodsTest),
             (PyMethodsTest.Nested.pie, PyMethodsTest.Nested)
         )
-        for proto in range(4, pickle.HIGHEST_PROTOCOL + 1):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             for method in py_methods:
                 with self.subTest(proto=proto, method=method):
                     unpickled = self.loads(self.dumps(method, proto))
@@ -1641,7 +1698,7 @@ class AbstractPickleTests(unittest.TestCase):
             (Subclass.Nested("sweet").count, ("e",)),
             (Subclass.Nested.count, (Subclass.Nested("sweet"), "e")),
         )
-        for proto in range(4, pickle.HIGHEST_PROTOCOL + 1):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             for method, args in c_methods:
                 with self.subTest(proto=proto, method=method):
                     unpickled = self.loads(self.dumps(method, proto))
@@ -1692,6 +1749,27 @@ class AbstractPickleTests(unittest.TestCase):
             self.assertIs(type(unpickled), collections.UserDict)
             self.assertEqual(unpickled, collections.UserDict({1: 2}))
 
+    def test_local_lookup_error(self):
+        # Test that whichmodule() errors out cleanly when looking up
+        # an assumed globally-reachable object fails.
+        def f():
+            pass
+        # Since the function is local, lookup will fail
+        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
+            with self.assertRaises((AttributeError, pickle.PicklingError)):
+                pickletools.dis(self.dumps(f, proto))
+        # Same without a __module__ attribute (exercises a different path
+        # in _pickle.c).
+        del f.__module__
+        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
+            with self.assertRaises((AttributeError, pickle.PicklingError)):
+                pickletools.dis(self.dumps(f, proto))
+        # Yet a different path.
+        f.__name__ = f.__qualname__
+        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
+            with self.assertRaises((AttributeError, pickle.PicklingError)):
+                pickletools.dis(self.dumps(f, proto))
+
 
 class BigmemPickleTests(unittest.TestCase):
 
@@ -1926,12 +2004,20 @@ myclasses = [MyInt, MyFloat,
 class SlotList(MyList):
     __slots__ = ["foo"]
 
-class SimpleNewObj(object):
-    def __init__(self, a, b, c):
+class SimpleNewObj(int):
+    def __init__(self, *args, **kwargs):
         # raise an error, to make sure this isn't called
         raise TypeError("SimpleNewObj.__init__() didn't expect to get called")
     def __eq__(self, other):
-        return self.__dict__ == other.__dict__
+        return int(self) == int(other) and self.__dict__ == other.__dict__
+
+class ComplexNewObj(SimpleNewObj):
+    def __getnewargs__(self):
+        return ('%X' % self, 16)
+
+class ComplexNewObjEx(SimpleNewObj):
+    def __getnewargs_ex__(self):
+        return ('%X' % self,), {'base': 16}
 
 class BadGetattr:
     def __getattr__(self, key):
diff --git a/Lib/test/pystone.py b/Lib/test/pystone.py
index a41f1e5..1f67e66 100755
--- a/Lib/test/pystone.py
+++ b/Lib/test/pystone.py
@@ -41,7 +41,7 @@ Version History:
 
 LOOPS = 50000
 
-from time import clock
+from time import time
 
 __version__ = "1.2"
 
@@ -93,10 +93,10 @@ def Proc0(loops=LOOPS):
     global PtrGlb
     global PtrGlbNext
 
-    starttime = clock()
+    starttime = time()
     for i in range(loops):
         pass
-    nulltime = clock() - starttime
+    nulltime = time() - starttime
 
     PtrGlbNext = Record()
     PtrGlb = Record()
@@ -108,7 +108,7 @@ def Proc0(loops=LOOPS):
     String1Loc = "DHRYSTONE PROGRAM, 1'ST STRING"
     Array2Glob[8][7] = 10
 
-    starttime = clock()
+    starttime = time()
 
     for i in range(loops):
         Proc5()
@@ -134,7 +134,7 @@ def Proc0(loops=LOOPS):
         IntLoc2 = 7 * (IntLoc3 - IntLoc2) - IntLoc1
         IntLoc1 = Proc2(IntLoc1)
 
-    benchtime = clock() - starttime - nulltime
+    benchtime = time() - starttime - nulltime
     if benchtime == 0.0:
         loopsPerBenchtime = 0.0
     else:
diff --git a/Lib/test/re_tests.py b/Lib/test/re_tests.py
index 7f8075e..8c158f8 100755
--- a/Lib/test/re_tests.py
+++ b/Lib/test/re_tests.py
@@ -87,7 +87,7 @@ tests = [
     (r'[\a][\b][\f][\n][\r][\t][\v]', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
     # NOTE: not an error under PCRE/PRE:
     (r'\u', '', SYNTAX_ERROR),    # A Perl escape
-    (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'),
+    # (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'),
     (r'\xff', '\377', SUCCEED, 'found', chr(255)),
     # new \x semantics
     (r'\x00ffffffffffffff', '\377', FAIL, 'found', chr(255)),
@@ -607,8 +607,8 @@ xyzabc
     # new \x semantics
     (r'\x00ff', '\377', FAIL),
     # (r'\x00ff', '\377', SUCCEED, 'found', chr(255)),
-    (r'\t\n\v\r\f\a\g', '\t\n\v\r\f\ag', SUCCEED, 'found', '\t\n\v\r\f\ag'),
-    ('\t\n\v\r\f\a\g', '\t\n\v\r\f\ag', SUCCEED, 'found', '\t\n\v\r\f\ag'),
+    (r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', '\t\n\v\r\f\a'),
+    ('\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', '\t\n\v\r\f\a'),
     (r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)),
     (r'[\t][\n][\v][\r][\f][\b]', '\t\n\v\r\f\b', SUCCEED, 'found', '\t\n\v\r\f\b'),
 
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 350e684..7123ffb 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1272,6 +1272,10 @@ def runtest_inner(test, verbose, quiet,
                 def test_runner():
                     loader = unittest.TestLoader()
                     tests = loader.loadTestsFromModule(the_module)
+                    for error in loader.errors:
+                        print(error, file=sys.stderr)
+                    if loader.errors:
+                        raise Exception("errors while loading tests")
                     support.run_unittest(tests)
             test_runner()
             if huntrleaks:
diff --git a/Lib/test/script_helper.py b/Lib/test/script_helper.py
index b29392f..07d167d 100644
--- a/Lib/test/script_helper.py
+++ b/Lib/test/script_helper.py
@@ -20,7 +20,7 @@ from test.support import make_legacy_pyc, strip_python_stderr, temp_dir
 # Cached result of the expensive test performed in the function below.
 __cached_interp_requires_environment = None
 
-def _interpreter_requires_environment():
+def interpreter_requires_environment():
     """
     Returns True if our sys.executable interpreter requires environment
     variables in order to be able to run at all.
@@ -57,7 +57,7 @@ _PythonRunResult = collections.namedtuple("_PythonRunResult",
 
 # Executing the interpreter in a subprocess
 def run_python_until_end(*args, **env_vars):
-    env_required = _interpreter_requires_environment()
+    env_required = interpreter_requires_environment()
     if '__isolated' in env_vars:
         isolated = env_vars.pop('__isolated')
     else:
@@ -95,10 +95,30 @@ def run_python_until_end(*args, **env_vars):
 def _assert_python(expected_success, *args, **env_vars):
     res, cmd_line = run_python_until_end(*args, **env_vars)
     if (res.rc and expected_success) or (not res.rc and not expected_success):
-        raise AssertionError(
-            "Process return code is %d, command line was: %r, "
-            "stderr follows:\n%s" % (res.rc, cmd_line,
-                                     res.err.decode('ascii', 'ignore')))
+        # Limit to 80 lines to ASCII characters
+        maxlen = 80 * 100
+        out, err = res.out, res.err
+        if len(out) > maxlen:
+            out = b'(... truncated stdout ...)' + out[-maxlen:]
+        if len(err) > maxlen:
+            err = b'(... truncated stderr ...)' + err[-maxlen:]
+        out = out.decode('ascii', 'replace').rstrip()
+        err = err.decode('ascii', 'replace').rstrip()
+        raise AssertionError("Process return code is %d\n"
+                             "command line: %r\n"
+                             "\n"
+                             "stdout:\n"
+                             "---\n"
+                             "%s\n"
+                             "---\n"
+                             "\n"
+                             "stderr:\n"
+                             "---\n"
+                             "%s\n"
+                             "---"
+                             % (res.rc, cmd_line,
+                                out,
+                                err))
     return res
 
 def assert_python_ok(*args, **env_vars):
diff --git a/Lib/test/ssl_servers.py b/Lib/test/ssl_servers.py
index 759b3f4..f9d30cf 100644
--- a/Lib/test/ssl_servers.py
+++ b/Lib/test/ssl_servers.py
@@ -150,7 +150,7 @@ class HTTPSServerThread(threading.Thread):
 def make_https_server(case, *, context=None, certfile=CERTFILE,
                       host=HOST, handler_class=None):
     if context is None:
-        context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+        context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
     # We assume the certfile contains both private key and certificate
     context.load_cert_chain(certfile)
     server = HTTPSServerThread(context, host, handler_class)
@@ -182,6 +182,8 @@ if __name__ == "__main__":
     parser.add_argument('--curve-name', dest='curve_name', type=str,
                         action='store',
                         help='curve name for EC-based Diffie-Hellman')
+    parser.add_argument('--ciphers', dest='ciphers', type=str,
+                        help='allowed cipher list')
     parser.add_argument('--dh', dest='dh_file', type=str, action='store',
                         help='PEM file containing DH parameters')
     args = parser.parse_args()
@@ -192,12 +194,14 @@ if __name__ == "__main__":
     else:
         handler_class = RootedHTTPRequestHandler
         handler_class.root = os.getcwd()
-    context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+    context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
     context.load_cert_chain(CERTFILE)
     if args.curve_name:
         context.set_ecdh_curve(args.curve_name)
     if args.dh_file:
         context.load_dh_params(args.dh_file)
+    if args.ciphers:
+        context.set_ciphers(args.ciphers)
 
     server = HTTPSServer(("", args.port), handler_class, context)
     if args.verbose:
diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index 242a931..6e26474 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -1176,8 +1176,7 @@ class MixinStrUnicodeUserStringTest:
         self.checkraises(TypeError, 'abc', '__mod__')
         self.checkraises(TypeError, '%(foo)s', '__mod__', 42)
         self.checkraises(TypeError, '%s%s', '__mod__', (42,))
-        with self.assertWarns(DeprecationWarning):
-            self.checkraises(TypeError, '%c', '__mod__', (None,))
+        self.checkraises(TypeError, '%c', '__mod__', (None,))
         self.checkraises(ValueError, '%(foo', '__mod__', {})
         self.checkraises(TypeError, '%(foo)s %(bar)s', '__mod__', ('foo', 42))
         self.checkraises(TypeError, '%d', '__mod__', "42") # not numeric
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 01ca2f8..8b180b5 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -88,7 +88,7 @@ __all__ = [
     "skip_unless_symlink", "requires_gzip", "requires_bz2", "requires_lzma",
     "bigmemtest", "bigaddrspacetest", "cpython_only", "get_attribute",
     "requires_IEEE_754", "skip_unless_xattr", "requires_zlib",
-    "anticipate_failure", "load_package_tests",
+    "anticipate_failure", "load_package_tests", "detect_api_mismatch",
     # sys
     "is_jython", "check_impl_detail",
     # network
@@ -376,36 +376,32 @@ def rmtree(path):
         pass
 
 def make_legacy_pyc(source):
-    """Move a PEP 3147 pyc/pyo file to its legacy pyc/pyo location.
-
-    The choice of .pyc or .pyo extension is done based on the __debug__ flag
-    value.
+    """Move a PEP 3147/488 pyc file to its legacy pyc location.
 
     :param source: The file system path to the source file.  The source file
-        does not need to exist, however the PEP 3147 pyc file must exist.
+        does not need to exist, however the PEP 3147/488 pyc file must exist.
     :return: The file system path to the legacy pyc file.
     """
     pyc_file = importlib.util.cache_from_source(source)
     up_one = os.path.dirname(os.path.abspath(source))
-    legacy_pyc = os.path.join(up_one, source + ('c' if __debug__ else 'o'))
+    legacy_pyc = os.path.join(up_one, source + 'c')
     os.rename(pyc_file, legacy_pyc)
     return legacy_pyc
 
 def forget(modname):
     """'Forget' a module was ever imported.
 
-    This removes the module from sys.modules and deletes any PEP 3147 or
-    legacy .pyc and .pyo files.
+    This removes the module from sys.modules and deletes any PEP 3147/488 or
+    legacy .pyc files.
     """
     unload(modname)
     for dirname in sys.path:
         source = os.path.join(dirname, modname + '.py')
         # It doesn't matter if they exist or not, unlink all possible
-        # combinations of PEP 3147 and legacy pyc and pyo files.
+        # combinations of PEP 3147/488 and legacy pyc files.
         unlink(source + 'c')
-        unlink(source + 'o')
-        unlink(importlib.util.cache_from_source(source, debug_override=True))
-        unlink(importlib.util.cache_from_source(source, debug_override=False))
+        for opt in ('', 1, 2):
+            unlink(importlib.util.cache_from_source(source, optimization=opt))
 
 # Check whether a gui is actually available
 def _is_gui_available():
@@ -1042,7 +1038,8 @@ def open_urlresource(url, *args, **kw):
     # Verify the requirement before downloading the file
     requires('urlfetch')
 
-    print('\tfetching %s ...' % url, file=get_original_stdout())
+    if verbose:
+        print('\tfetching %s ...' % url, file=get_original_stdout())
     opener = urllib.request.build_opener()
     if gzip:
         opener.addheaders.append(('Accept-Encoding', 'gzip'))
@@ -2187,6 +2184,21 @@ def fs_is_case_insensitive(directory):
             return False
 
 
+def detect_api_mismatch(ref_api, other_api, *, ignore=()):
+    """Returns the set of items in ref_api not in other_api, except for a
+    defined list of items to be ignored in this check.
+
+    By default this skips private attributes beginning with '_' but
+    includes all magic methods, i.e. those starting and ending in '__'.
+    """
+    missing_items = set(dir(ref_api)) - set(dir(other_api))
+    if ignore:
+        missing_items -= set(ignore)
+    missing_items = set(m for m in missing_items
+                        if not m.startswith('_') or m.endswith('__'))
+    return missing_items
+
+
 class SuppressCrashReport:
     """Try to prevent a crash report from popping up.
 
@@ -2194,6 +2206,7 @@ class SuppressCrashReport:
     disable the creation of coredump file.
     """
     old_value = None
+    old_modes = None
 
     def __enter__(self):
         """On Windows, disable Windows Error Reporting dialogs using
@@ -2211,6 +2224,26 @@ class SuppressCrashReport:
             SEM_NOGPFAULTERRORBOX = 0x02
             self.old_value = self._k32.SetErrorMode(SEM_NOGPFAULTERRORBOX)
             self._k32.SetErrorMode(self.old_value | SEM_NOGPFAULTERRORBOX)
+
+            # Suppress assert dialogs in debug builds
+            # (see http://bugs.python.org/issue23314)
+            try:
+                import msvcrt
+                msvcrt.CrtSetReportMode
+            except (AttributeError, ImportError):
+                # no msvcrt or a release build
+                pass
+            else:
+                self.old_modes = {}
+                for report_type in [msvcrt.CRT_WARN,
+                                    msvcrt.CRT_ERROR,
+                                    msvcrt.CRT_ASSERT]:
+                    old_mode = msvcrt.CrtSetReportMode(report_type,
+                            msvcrt.CRTDBG_MODE_FILE)
+                    old_file = msvcrt.CrtSetReportFile(report_type,
+                            msvcrt.CRTDBG_FILE_STDERR)
+                    self.old_modes[report_type] = old_mode, old_file
+
         else:
             if resource is not None:
                 try:
@@ -2242,6 +2275,12 @@ class SuppressCrashReport:
 
         if sys.platform.startswith('win'):
             self._k32.SetErrorMode(self.old_value)
+
+            if self.old_modes:
+                import msvcrt
+                for report_type, (old_mode, old_file) in self.old_modes.items():
+                    msvcrt.CrtSetReportMode(report_type, old_mode)
+                    msvcrt.CrtSetReportFile(report_type, old_file)
         else:
             if resource is not None:
                 try:
diff --git a/Lib/test/test___future__.py b/Lib/test/test___future__.py
index 6f73c7f..559a187 100644
--- a/Lib/test/test___future__.py
+++ b/Lib/test/test___future__.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 import __future__
 
 GOOD_SERIALS = ("alpha", "beta", "candidate", "final")
@@ -58,8 +57,5 @@ class FutureTest(unittest.TestCase):
                    ".compiler_flag isn't int")
 
 
-def test_main():
-    support.run_unittest(FutureTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test__opcode.py b/Lib/test/test__opcode.py
index 0152e9d..1075dec 100644
--- a/Lib/test/test__opcode.py
+++ b/Lib/test/test__opcode.py
@@ -1,5 +1,5 @@
 import dis
-from test.support import run_unittest, import_module
+from test.support import import_module
 import unittest
 
 _opcode = import_module("_opcode")
@@ -16,8 +16,5 @@ class OpcodeTests(unittest.TestCase):
         self.assertRaises(ValueError, _opcode.stack_effect, dis.opmap['BUILD_SLICE'])
         self.assertRaises(ValueError, _opcode.stack_effect, dis.opmap['POP_TOP'], 0)
 
-def test_main():
-    run_unittest(OpcodeTests)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test__osx_support.py b/Lib/test/test__osx_support.py
index 5dcadf7..ac6325a 100644
--- a/Lib/test/test__osx_support.py
+++ b/Lib/test/test__osx_support.py
@@ -273,9 +273,5 @@ class Test_OSXSupport(unittest.TestCase):
         result = _osx_support.get_platform_osx(config_vars, ' ', ' ', ' ')
         self.assertEqual(('macosx', '10.6', 'fat'), result)
 
-def test_main():
-    if sys.platform == 'darwin':
-        test.support.run_unittest(Test_OSXSupport)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index ecc5507..27bfad5 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -20,15 +20,6 @@ class StdIOBuffer(StringIO):
 
 class TestCase(unittest.TestCase):
 
-    def assertEqual(self, obj1, obj2):
-        if obj1 != obj2:
-            print('')
-            print(repr(obj1))
-            print(repr(obj2))
-            print(obj1)
-            print(obj2)
-        super(TestCase, self).assertEqual(obj1, obj2)
-
     def setUp(self):
         # The tests assume that line wrapping occurs at 80 columns, but this
         # behaviour can be overridden by setting the COLUMNS environment
@@ -78,9 +69,6 @@ class NS(object):
     def __eq__(self, other):
         return vars(self) == vars(other)
 
-    def __ne__(self, other):
-        return not (self == other)
-
 
 class ArgumentParserError(Exception):
 
@@ -765,6 +753,39 @@ class TestOptionalsActionCount(ParserTestCase):
     ]
 
 
+class TestOptionalsAllowLongAbbreviation(ParserTestCase):
+    """Allow long options to be abbreviated unambiguously"""
+
+    argument_signatures = [
+        Sig('--foo'),
+        Sig('--foobaz'),
+        Sig('--fooble', action='store_true'),
+    ]
+    failures = ['--foob 5', '--foob']
+    successes = [
+        ('', NS(foo=None, foobaz=None, fooble=False)),
+        ('--foo 7', NS(foo='7', foobaz=None, fooble=False)),
+        ('--fooba a', NS(foo=None, foobaz='a', fooble=False)),
+        ('--foobl --foo g', NS(foo='g', foobaz=None, fooble=True)),
+    ]
+
+
+class TestOptionalsDisallowLongAbbreviation(ParserTestCase):
+    """Do not allow abbreviations of long options at all"""
+
+    parser_signature = Sig(allow_abbrev=False)
+    argument_signatures = [
+        Sig('--foo'),
+        Sig('--foodle', action='store_true'),
+        Sig('--foonly'),
+    ]
+    failures = ['-foon 3', '--foon 3', '--food', '--food --foo 2']
+    successes = [
+        ('', NS(foo=None, foodle=False, foonly=None)),
+        ('--foo 3', NS(foo='3', foodle=False, foonly=None)),
+        ('--foonly 7 --foodle --foo 2', NS(foo='2', foodle=True, foonly='7')),
+    ]
+
 # ================
 # Positional tests
 # ================
@@ -1993,14 +2014,9 @@ class TestAddSubparsers(TestCase):
             '''))
 
     def _test_subparser_help(self, args_str, expected_help):
-        try:
+        with self.assertRaises(ArgumentParserError) as cm:
             self.parser.parse_args(args_str.split())
-        except ArgumentParserError:
-            err = sys.exc_info()[1]
-            if err.stdout != expected_help:
-                print(repr(expected_help))
-                print(repr(err.stdout))
-            self.assertEqual(err.stdout, expected_help)
+        self.assertEqual(expected_help, cm.exception.stdout)
 
     def test_subparser1_help(self):
         self._test_subparser_help('5.0 1 -h', textwrap.dedent('''\
@@ -2846,15 +2862,15 @@ class TestGetDefault(TestCase):
 
     def test_get_default(self):
         parser = ErrorRaisingArgumentParser()
-        self.assertEqual(None, parser.get_default("foo"))
-        self.assertEqual(None, parser.get_default("bar"))
+        self.assertIsNone(parser.get_default("foo"))
+        self.assertIsNone(parser.get_default("bar"))
 
         parser.add_argument("--foo")
-        self.assertEqual(None, parser.get_default("foo"))
-        self.assertEqual(None, parser.get_default("bar"))
+        self.assertIsNone(parser.get_default("foo"))
+        self.assertIsNone(parser.get_default("bar"))
 
         parser.add_argument("--bar", type=int, default=42)
-        self.assertEqual(None, parser.get_default("foo"))
+        self.assertIsNone(parser.get_default("foo"))
         self.assertEqual(42, parser.get_default("bar"))
 
         parser.set_defaults(foo="badger")
@@ -2869,18 +2885,16 @@ class TestNamespaceContainsSimple(TestCase):
 
     def test_empty(self):
         ns = argparse.Namespace()
-        self.assertEqual('' in ns, False)
-        self.assertEqual('' not in ns, True)
-        self.assertEqual('x' in ns, False)
+        self.assertNotIn('', ns)
+        self.assertNotIn('x', ns)
 
     def test_non_empty(self):
         ns = argparse.Namespace(x=1, y=2)
-        self.assertEqual('x' in ns, True)
-        self.assertEqual('x' not in ns, False)
-        self.assertEqual('y' in ns, True)
-        self.assertEqual('' in ns, False)
-        self.assertEqual('xx' in ns, False)
-        self.assertEqual('z' in ns, False)
+        self.assertNotIn('', ns)
+        self.assertIn('x', ns)
+        self.assertIn('y', ns)
+        self.assertNotIn('xx', ns)
+        self.assertNotIn('z', ns)
 
 # =====================
 # Help formatting tests
@@ -2936,13 +2950,6 @@ class TestHelpFormattingMetaclass(type):
             def _test(self, tester, parser_text):
                 expected_text = getattr(tester, self.func_suffix)
                 expected_text = textwrap.dedent(expected_text)
-                if expected_text != parser_text:
-                    print(repr(expected_text))
-                    print(repr(parser_text))
-                    for char1, char2 in zip(expected_text, parser_text):
-                        if char1 != char2:
-                            print('first diff: %r %r' % (char1, char2))
-                            break
                 tester.assertEqual(expected_text, parser_text)
 
             def test_format(self, tester):
@@ -4221,24 +4228,17 @@ class TestInvalidArgumentConstructors(TestCase):
         self.assertValueError('foo', action='baz')
         self.assertValueError('--foo', action=('store', 'append'))
         parser = argparse.ArgumentParser()
-        try:
+        with self.assertRaises(ValueError) as cm:
             parser.add_argument("--foo", action="store-true")
-        except ValueError:
-            e = sys.exc_info()[1]
-            expected = 'unknown action'
-            msg = 'expected %r, found %r' % (expected, e)
-            self.assertTrue(expected in str(e), msg)
+        self.assertIn('unknown action', str(cm.exception))
 
     def test_multiple_dest(self):
         parser = argparse.ArgumentParser()
         parser.add_argument(dest='foo')
-        try:
+        with self.assertRaises(ValueError) as cm:
             parser.add_argument('bar', dest='baz')
-        except ValueError:
-            e = sys.exc_info()[1]
-            expected = 'dest supplied twice for positional argument'
-            msg = 'expected %r, found %r' % (expected, e)
-            self.assertTrue(expected in str(e), msg)
+        self.assertIn('dest supplied twice for positional argument',
+                      str(cm.exception))
 
     def test_no_argument_actions(self):
         for action in ['store_const', 'store_true', 'store_false',
@@ -4395,18 +4395,10 @@ class TestConflictHandling(TestCase):
 class TestOptionalsHelpVersionActions(TestCase):
     """Test the help and version actions"""
 
-    def _get_error(self, func, *args, **kwargs):
-        try:
-            func(*args, **kwargs)
-        except ArgumentParserError:
-            return sys.exc_info()[1]
-        else:
-            self.assertRaises(ArgumentParserError, func, *args, **kwargs)
-
     def assertPrintHelpExit(self, parser, args_str):
-        self.assertEqual(
-            parser.format_help(),
-            self._get_error(parser.parse_args, args_str.split()).stdout)
+        with self.assertRaises(ArgumentParserError) as cm:
+            parser.parse_args(args_str.split())
+        self.assertEqual(parser.format_help(), cm.exception.stdout)
 
     def assertArgumentParserError(self, parser, *args):
         self.assertRaises(ArgumentParserError, parser.parse_args, args)
@@ -4421,8 +4413,9 @@ class TestOptionalsHelpVersionActions(TestCase):
     def test_version_format(self):
         parser = ErrorRaisingArgumentParser(prog='PPP')
         parser.add_argument('-v', '--version', action='version', version='%(prog)s 3.5')
-        msg = self._get_error(parser.parse_args, ['-v']).stdout
-        self.assertEqual('PPP 3.5\n', msg)
+        with self.assertRaises(ArgumentParserError) as cm:
+            parser.parse_args(['-v'])
+        self.assertEqual('PPP 3.5\n', cm.exception.stdout)
 
     def test_version_no_help(self):
         parser = ErrorRaisingArgumentParser(add_help=False)
@@ -4434,8 +4427,9 @@ class TestOptionalsHelpVersionActions(TestCase):
     def test_version_action(self):
         parser = ErrorRaisingArgumentParser(prog='XXX')
         parser.add_argument('-V', action='version', version='%(prog)s 3.7')
-        msg = self._get_error(parser.parse_args, ['-V']).stdout
-        self.assertEqual('XXX 3.7\n', msg)
+        with self.assertRaises(ArgumentParserError) as cm:
+            parser.parse_args(['-V'])
+        self.assertEqual('XXX 3.7\n', cm.exception.stdout)
 
     def test_no_help(self):
         parser = ErrorRaisingArgumentParser(add_help=False)
@@ -4605,14 +4599,10 @@ class TestArgumentTypeError(TestCase):
 
         parser = ErrorRaisingArgumentParser(prog='PROG', add_help=False)
         parser.add_argument('x', type=spam)
-        try:
+        with self.assertRaises(ArgumentParserError) as cm:
             parser.parse_args(['XXX'])
-        except ArgumentParserError:
-            expected = 'usage: PROG x\nPROG: error: argument x: spam!\n'
-            msg = sys.exc_info()[1].stderr
-            self.assertEqual(expected, msg)
-        else:
-            self.fail()
+        self.assertEqual('usage: PROG x\nPROG: error: argument x: spam!\n',
+                         cm.exception.stderr)
 
 # =========================
 # MessageContentError tests
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index 07c9bf9..10d9946 100644
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -394,7 +394,9 @@ class BaseTest:
         self.assertEqual(a, b)
 
     def test_tofromstring(self):
-        nb_warnings = 4
+        # Warnings not raised when arguments are incorrect as Argument Clinic
+        # handles that before the warning can be raised.
+        nb_warnings = 2
         with warnings.catch_warnings(record=True) as r:
             warnings.filterwarnings("always",
                                     message=r"(to|from)string\(\) is deprecated",
@@ -1039,6 +1041,11 @@ class BaseTest:
             a = array.array(self.typecode, "foo")
             a = array.array(self.typecode, array.array('u', 'foo'))
 
+    @support.cpython_only
+    def test_obsolete_write_lock(self):
+        from _testcapi import getbuffer_with_null_view
+        a = array.array('B', b"")
+        self.assertRaises(BufferError, getbuffer_with_null_view, a)
 
 class StringTest(BaseTest):
 
diff --git a/Lib/test/test_asdl_parser.py b/Lib/test/test_asdl_parser.py
new file mode 100644
index 0000000..7a6426a
--- /dev/null
+++ b/Lib/test/test_asdl_parser.py
@@ -0,0 +1,122 @@
+"""Tests for the asdl parser in Parser/asdl.py"""
+
+import importlib.machinery
+import os
+from os.path import dirname
+import sys
+import sysconfig
+import unittest
+
+
+# This test is only relevant for from-source builds of Python.
+if not sysconfig.is_python_build():
+    raise unittest.SkipTest('test irrelevant for an installed Python')
+
+src_base = dirname(dirname(dirname(__file__)))
+parser_dir = os.path.join(src_base, 'Parser')
+
+
+class TestAsdlParser(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        # Loads the asdl module dynamically, since it's not in a real importable
+        # package.
+        # Parses Python.asdl into a ast.Module and run the check on it.
+        # There's no need to do this for each test method, hence setUpClass.
+        sys.path.insert(0, parser_dir)
+        loader = importlib.machinery.SourceFileLoader(
+                'asdl', os.path.join(parser_dir, 'asdl.py'))
+        cls.asdl = loader.load_module()
+        cls.mod = cls.asdl.parse(os.path.join(parser_dir, 'Python.asdl'))
+        cls.assertTrue(cls.asdl.check(cls.mod), 'Module validation failed')
+
+    @classmethod
+    def tearDownClass(cls):
+        del sys.path[0]
+
+    def setUp(self):
+        # alias stuff from the class, for convenience
+        self.asdl = TestAsdlParser.asdl
+        self.mod = TestAsdlParser.mod
+        self.types = self.mod.types
+
+    def test_module(self):
+        self.assertEqual(self.mod.name, 'Python')
+        self.assertIn('stmt', self.types)
+        self.assertIn('expr', self.types)
+        self.assertIn('mod', self.types)
+
+    def test_definitions(self):
+        defs = self.mod.dfns
+        self.assertIsInstance(defs[0], self.asdl.Type)
+        self.assertIsInstance(defs[0].value, self.asdl.Sum)
+
+        self.assertIsInstance(self.types['withitem'], self.asdl.Product)
+        self.assertIsInstance(self.types['alias'], self.asdl.Product)
+
+    def test_product(self):
+        alias = self.types['alias']
+        self.assertEqual(
+            str(alias),
+            'Product([Field(identifier, name), Field(identifier, asname, opt=True)])')
+
+    def test_attributes(self):
+        stmt = self.types['stmt']
+        self.assertEqual(len(stmt.attributes), 2)
+        self.assertEqual(str(stmt.attributes[0]), 'Field(int, lineno)')
+        self.assertEqual(str(stmt.attributes[1]), 'Field(int, col_offset)')
+
+    def test_constructor_fields(self):
+        ehandler = self.types['excepthandler']
+        self.assertEqual(len(ehandler.types), 1)
+        self.assertEqual(len(ehandler.attributes), 2)
+
+        cons = ehandler.types[0]
+        self.assertIsInstance(cons, self.asdl.Constructor)
+        self.assertEqual(len(cons.fields), 3)
+
+        f0 = cons.fields[0]
+        self.assertEqual(f0.type, 'expr')
+        self.assertEqual(f0.name, 'type')
+        self.assertTrue(f0.opt)
+
+        f1 = cons.fields[1]
+        self.assertEqual(f1.type, 'identifier')
+        self.assertEqual(f1.name, 'name')
+        self.assertTrue(f1.opt)
+
+        f2 = cons.fields[2]
+        self.assertEqual(f2.type, 'stmt')
+        self.assertEqual(f2.name, 'body')
+        self.assertFalse(f2.opt)
+        self.assertTrue(f2.seq)
+
+    def test_visitor(self):
+        class CustomVisitor(self.asdl.VisitorBase):
+            def __init__(self):
+                super().__init__()
+                self.names_with_seq = []
+
+            def visitModule(self, mod):
+                for dfn in mod.dfns:
+                    self.visit(dfn)
+
+            def visitType(self, type):
+                self.visit(type.value)
+
+            def visitSum(self, sum):
+                for t in sum.types:
+                    self.visit(t)
+
+            def visitConstructor(self, cons):
+                for f in cons.fields:
+                    if f.seq:
+                        self.names_with_seq.append(cons.name)
+
+        v = CustomVisitor()
+        v.visit(self.types['mod'])
+        self.assertEqual(v.names_with_seq, ['Module', 'Interactive', 'Suite'])
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/Lib/test/test_asynchat.py b/Lib/test/test_asynchat.py
index 2dc9d0c..3a33fc8 100644
--- a/Lib/test/test_asynchat.py
+++ b/Lib/test/test_asynchat.py
@@ -12,6 +12,7 @@ import socket
 import sys
 import time
 import unittest
+import warnings
 import unittest.mock
 try:
     import threading
@@ -38,7 +39,7 @@ if threading:
             self.start_resend_event = None
 
         def run(self):
-            self.sock.listen(1)
+            self.sock.listen()
             self.event.set()
             conn, client = self.sock.accept()
             self.buffer = b""
@@ -298,7 +299,10 @@ class TestHelperFunctions(unittest.TestCase):
 
 class TestFifo(unittest.TestCase):
     def test_basic(self):
-        f = asynchat.fifo()
+        with self.assertWarns(DeprecationWarning) as cm:
+            f = asynchat.fifo()
+        self.assertEqual(str(cm.warning),
+                         "fifo class will be removed in Python 3.6")
         f.push(7)
         f.push(b'a')
         self.assertEqual(len(f), 2)
@@ -313,7 +317,10 @@ class TestFifo(unittest.TestCase):
         self.assertEqual(f.pop(), (0, None))
 
     def test_given_list(self):
-        f = asynchat.fifo([b'x', 17, 3])
+        with self.assertWarns(DeprecationWarning) as cm:
+            f = asynchat.fifo([b'x', 17, 3])
+        self.assertEqual(str(cm.warning),
+                         "fifo class will be removed in Python 3.6")
         self.assertEqual(len(f), 3)
         self.assertEqual(f.pop(), (1, b'x'))
         self.assertEqual(f.pop(), (1, 17))
diff --git a/Lib/test/test_asyncore.py b/Lib/test/test_asyncore.py
index d44726d..3857916 100644
--- a/Lib/test/test_asyncore.py
+++ b/Lib/test/test_asyncore.py
@@ -7,7 +7,6 @@ import sys
 import time
 import errno
 import struct
-import warnings
 
 from test import support
 from io import BytesIO
@@ -65,7 +64,7 @@ class crashingdummy:
 # used when testing senders; just collects what it gets until newline is sent
 def capture_server(evt, buf, serv):
     try:
-        serv.listen(5)
+        serv.listen()
         conn, addr = serv.accept()
     except socket.timeout:
         pass
@@ -298,23 +297,6 @@ class DispatcherTests(unittest.TestCase):
                     'warning: unhandled connect event']
         self.assertEqual(lines, expected)
 
-    def test_issue_8594(self):
-        # XXX - this test is supposed to be removed in next major Python
-        # version
-        d = asyncore.dispatcher(socket.socket())
-        # make sure the error message no longer refers to the socket
-        # object but the dispatcher instance instead
-        self.assertRaisesRegex(AttributeError, 'dispatcher instance',
-                               getattr, d, 'foo')
-        # cheap inheritance with the underlying socket is supposed
-        # to still work but a DeprecationWarning is expected
-        with warnings.catch_warnings(record=True) as w:
-            warnings.simplefilter("always")
-            family = d.family
-            self.assertEqual(family, socket.AF_INET)
-            self.assertEqual(len(w), 1)
-            self.assertTrue(issubclass(w[0].category, DeprecationWarning))
-
     def test_strerror(self):
         # refers to bug #8573
         err = asyncore._strerror(errno.EPERM)
@@ -331,9 +313,8 @@ class dispatcherwithsend_noread(asyncore.dispatcher_with_send):
     def handle_connect(self):
         pass
 
-class DispatcherWithSendTests(unittest.TestCase):
-    usepoll = False
 
+class DispatcherWithSendTests(unittest.TestCase):
     def setUp(self):
         pass
 
@@ -383,10 +364,6 @@ class DispatcherWithSendTests(unittest.TestCase):
                 self.fail("join() timed out")
 
 
-
-class DispatcherWithSendTests_UsePoll(DispatcherWithSendTests):
-    usepoll = True
-
 @unittest.skipUnless(hasattr(asyncore, 'file_wrapper'),
                      'asyncore.file_wrapper required')
 class FileWrapperTest(unittest.TestCase):
diff --git a/Lib/test/test_atexit.py b/Lib/test/test_atexit.py
index 70d2f1c..172bd25 100644
--- a/Lib/test/test_atexit.py
+++ b/Lib/test/test_atexit.py
@@ -177,9 +177,5 @@ class SubinterpreterTest(unittest.TestCase):
         self.assertEqual(atexit._ncallbacks(), n)
 
 
-def test_main():
-    support.run_unittest(__name__)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_augassign.py b/Lib/test/test_augassign.py
index 0e75c6b..5093e9d 100644
--- a/Lib/test/test_augassign.py
+++ b/Lib/test/test_augassign.py
@@ -1,6 +1,5 @@
 # Augmented assignment test.
 
-from test.support import run_unittest
 import unittest
 
 
@@ -136,6 +135,14 @@ class AugAssignTest(unittest.TestCase):
                 output.append("__imul__ called")
                 return self
 
+            def __matmul__(self, val):
+                output.append("__matmul__ called")
+            def __rmatmul__(self, val):
+                output.append("__rmatmul__ called")
+            def __imatmul__(self, val):
+                output.append("__imatmul__ called")
+                return self
+
             def __floordiv__(self, val):
                 output.append("__floordiv__ called")
                 return self
@@ -225,6 +232,10 @@ class AugAssignTest(unittest.TestCase):
         1 * x
         x *= 1
 
+        x @ 1
+        1 @ x
+        x @= 1
+
         x / 1
         1 / x
         x /= 1
@@ -271,6 +282,9 @@ __isub__ called
 __mul__ called
 __rmul__ called
 __imul__ called
+__matmul__ called
+__rmatmul__ called
+__imatmul__ called
 __truediv__ called
 __rtruediv__ called
 __itruediv__ called
@@ -300,8 +314,5 @@ __rlshift__ called
 __ilshift__ called
 '''.splitlines())
 
-def test_main():
-    run_unittest(AugAssignTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_binascii.py b/Lib/test/test_binascii.py
index 50ad56e..4e67887 100644
--- a/Lib/test/test_binascii.py
+++ b/Lib/test/test_binascii.py
@@ -1,6 +1,5 @@
 """Test the binascii C module."""
 
-from test import support
 import unittest
 import binascii
 import array
@@ -274,11 +273,5 @@ class MemoryviewBinASCIITest(BinASCIITest):
     type2test = memoryview
 
 
-def test_main():
-    support.run_unittest(BinASCIITest,
-                         ArrayBinASCIITest,
-                         BytearrayBinASCIITest,
-                         MemoryviewBinASCIITest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_binop.py b/Lib/test/test_binop.py
index 9c4c18e..31dc785 100644
--- a/Lib/test/test_binop.py
+++ b/Lib/test/test_binop.py
@@ -369,8 +369,5 @@ class OperationOrderTests(unittest.TestCase):
         self.assertEqual(op_sequence(le, B, C), ['C.__ge__', 'B.__le__'])
         self.assertEqual(op_sequence(le, C, B), ['C.__le__', 'B.__ge__'])
 
-def test_main():
-    support.run_unittest(RatTestCase, OperationOrderTests)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_buffer.py b/Lib/test/test_buffer.py
index aa15377..6803156 100644
--- a/Lib/test/test_buffer.py
+++ b/Lib/test/test_buffer.py
@@ -11,6 +11,7 @@
 # memoryview tests is now in this module.
 #
 
+import contextlib
 import unittest
 from test import support
 from itertools import permutations, product
@@ -216,7 +217,7 @@ def iter_format(nitems, testobj='ndarray'):
     for t in iter_mode(nitems, testobj):
         yield t
     if testobj != 'ndarray':
-        raise StopIteration
+        return
     yield struct_items(nitems, testobj)
 
 
@@ -1007,6 +1008,7 @@ class TestBufferProtocol(unittest.TestCase):
         # shape, strides, offset
         structure = (
             ([], [], 0),
+            ([1,3,1], [], 0),
             ([12], [], 0),
             ([12], [-1], 11),
             ([6], [2], 0),
@@ -1078,6 +1080,18 @@ class TestBufferProtocol(unittest.TestCase):
         self.assertRaises(BufferError, ndarray, ex, getbuf=PyBUF_ANY_CONTIGUOUS)
         nd = ndarray(ex, getbuf=PyBUF_SIMPLE)
 
+        # Issue #22445: New precise contiguity definition.
+        for shape in [1,12,1], [7,0,7]:
+            for order in 0, ND_FORTRAN:
+                ex = ndarray(items, shape=shape, flags=order|ND_WRITABLE)
+                self.assertTrue(is_contiguous(ex, 'F'))
+                self.assertTrue(is_contiguous(ex, 'C'))
+
+                for flags in requests:
+                    nd = ndarray(ex, getbuf=flags)
+                    self.assertTrue(is_contiguous(nd, 'F'))
+                    self.assertTrue(is_contiguous(nd, 'C'))
+
     def test_ndarray_exceptions(self):
         nd = ndarray([9], [1])
         ndm = ndarray([9], [1], flags=ND_VAREXPORT)
@@ -2454,7 +2468,7 @@ class TestBufferProtocol(unittest.TestCase):
     def test_memoryview_sizeof(self):
         check = self.check_sizeof
         vsize = support.calcvobjsize
-        base_struct = 'Pnin 2P2n2i5P 3cP'
+        base_struct = 'Pnin 2P2n2i5P P'
         per_dim = '3n'
 
         items = list(range(8))
@@ -2812,6 +2826,13 @@ class TestBufferProtocol(unittest.TestCase):
         m = memoryview(ex)
         self.assertRaises(TypeError, eval, "9.0 in m", locals())
 
+    @contextlib.contextmanager
+    def assert_out_of_bounds_error(self, dim):
+        with self.assertRaises(IndexError) as cm:
+            yield
+        self.assertEqual(str(cm.exception),
+                         "index out of bounds on dimension %d" % (dim,))
+
     def test_memoryview_index(self):
 
         # ndim = 0
@@ -2838,12 +2859,31 @@ class TestBufferProtocol(unittest.TestCase):
         self.assertRaises(IndexError, m.__getitem__, -8)
         self.assertRaises(IndexError, m.__getitem__, 8)
 
-        # Not implemented: multidimensional sub-views
+        # multi-dimensional
         ex = ndarray(list(range(12)), shape=[3,4], flags=ND_WRITABLE)
         m = memoryview(ex)
 
-        self.assertRaises(NotImplementedError, m.__getitem__, 0)
-        self.assertRaises(NotImplementedError, m.__setitem__, 0, 9)
+        self.assertEqual(m[0, 0], 0)
+        self.assertEqual(m[2, 0], 8)
+        self.assertEqual(m[2, 3], 11)
+        self.assertEqual(m[-1, -1], 11)
+        self.assertEqual(m[-3, -4], 0)
+
+        # out of bounds
+        for index in (3, -4):
+            with self.assert_out_of_bounds_error(dim=1):
+                m[index, 0]
+        for index in (4, -5):
+            with self.assert_out_of_bounds_error(dim=2):
+                m[0, index]
+        self.assertRaises(IndexError, m.__getitem__, (2**64, 0))
+        self.assertRaises(IndexError, m.__getitem__, (0, 2**64))
+
+        self.assertRaises(TypeError, m.__getitem__, (0, 0, 0))
+        self.assertRaises(TypeError, m.__getitem__, (0.0, 0.0))
+
+        # Not implemented: multidimensional sub-views
+        self.assertRaises(NotImplementedError, m.__getitem__, ())
         self.assertRaises(NotImplementedError, m.__getitem__, 0)
 
     def test_memoryview_assign(self):
@@ -2932,10 +2972,27 @@ class TestBufferProtocol(unittest.TestCase):
         m = memoryview(ex)
         self.assertRaises(NotImplementedError, m.__setitem__, 0, 1)
 
-        # Not implemented: multidimensional sub-views
+        # multi-dimensional
         ex = ndarray(list(range(12)), shape=[3,4], flags=ND_WRITABLE)
         m = memoryview(ex)
+        m[0,1] = 42
+        self.assertEqual(ex[0][1], 42)
+        m[-1,-1] = 43
+        self.assertEqual(ex[2][3], 43)
+        # errors
+        for index in (3, -4):
+            with self.assert_out_of_bounds_error(dim=1):
+                m[index, 0] = 0
+        for index in (4, -5):
+            with self.assert_out_of_bounds_error(dim=2):
+                m[0, index] = 0
+        self.assertRaises(IndexError, m.__setitem__, (2**64, 0), 0)
+        self.assertRaises(IndexError, m.__setitem__, (0, 2**64), 0)
+
+        self.assertRaises(TypeError, m.__setitem__, (0, 0, 0), 0)
+        self.assertRaises(TypeError, m.__setitem__, (0.0, 0.0), 0)
 
+        # Not implemented: multidimensional sub-views
         self.assertRaises(NotImplementedError, m.__setitem__, 0, [2, 3])
 
     def test_memoryview_slice(self):
@@ -2948,8 +3005,8 @@ class TestBufferProtocol(unittest.TestCase):
         self.assertRaises(ValueError, m.__setitem__, slice(0,2,0),
                           bytearray([1,2]))
 
-        # invalid slice key
-        self.assertRaises(TypeError, m.__getitem__, ())
+        # 0-dim slicing (identity function)
+        self.assertRaises(NotImplementedError, m.__getitem__, ())
 
         # multidimensional slices
         ex = ndarray(list(range(12)), shape=[12], flags=ND_WRITABLE)
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 14366c6..6166da5 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -312,11 +312,11 @@ class BuiltinTest(unittest.TestCase):
         self.assertRaises(TypeError, compile)
         self.assertRaises(ValueError, compile, 'print(42)\n', '<string>', 'badmode')
         self.assertRaises(ValueError, compile, 'print(42)\n', '<string>', 'single', 0xff)
-        self.assertRaises(TypeError, compile, chr(0), 'f', 'exec')
+        self.assertRaises(ValueError, compile, chr(0), 'f', 'exec')
         self.assertRaises(TypeError, compile, 'pass', '?', 'exec',
                           mode='eval', source='0', filename='tmp')
         compile('print("\xe5")\n', '', 'exec')
-        self.assertRaises(TypeError, compile, chr(0), 'f', 'exec')
+        self.assertRaises(ValueError, compile, chr(0), 'f', 'exec')
         self.assertRaises(ValueError, compile, str('a = 1'), 'f', 'bad')
 
         # test the optimize argument
@@ -1094,7 +1094,7 @@ class BuiltinTest(unittest.TestCase):
         self.assertAlmostEqual(pow(-1, 0.5), 1j)
         self.assertAlmostEqual(pow(-1, 1/3), 0.5 + 0.8660254037844386j)
 
-        self.assertRaises(TypeError, pow, -1, -2, 3)
+        self.assertRaises(ValueError, pow, -1, -2, 3)
         self.assertRaises(ValueError, pow, 1, 2, 0)
 
         self.assertRaises(TypeError, pow)
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index e15807e..ad28300 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -461,6 +461,28 @@ class BaseBytesTest:
         self.assertEqual(b.rindex(i, 3, 9), 7)
         self.assertRaises(ValueError, b.rindex, w, 1, 3)
 
+    def test_mod(self):
+        b = b'hello, %b!'
+        orig = b
+        b = b % b'world'
+        self.assertEqual(b, b'hello, world!')
+        self.assertEqual(orig, b'hello, %b!')
+        self.assertFalse(b is orig)
+        b = b'%s / 100 = %d%%'
+        a = b % (b'seventy-nine', 79)
+        self.assertEqual(a, b'seventy-nine / 100 = 79%')
+
+    def test_imod(self):
+        b = b'hello, %b!'
+        orig = b
+        b %= b'world'
+        self.assertEqual(b, b'hello, world!')
+        self.assertEqual(orig, b'hello, %b!')
+        self.assertFalse(b is orig)
+        b = b'%s / 100 = %d%%'
+        b %= (b'seventy-nine', 79)
+        self.assertEqual(b, b'seventy-nine / 100 = 79%')
+
     def test_replace(self):
         b = self.type2test(b'mississippi')
         self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
@@ -722,6 +744,11 @@ class BaseBytesTest:
 class BytesTest(BaseBytesTest, unittest.TestCase):
     type2test = bytes
 
+    def test_getitem_error(self):
+        msg = "byte indices must be integers or slices"
+        with self.assertRaisesRegex(TypeError, msg):
+            b'python'['a']
+
     def test_buffer_is_readonly(self):
         fd = os.open(__file__, os.O_RDONLY)
         with open(fd, "rb", buffering=0) as f:
@@ -776,6 +803,17 @@ class BytesTest(BaseBytesTest, unittest.TestCase):
 class ByteArrayTest(BaseBytesTest, unittest.TestCase):
     type2test = bytearray
 
+    def test_getitem_error(self):
+        msg = "bytearray indices must be integers or slices"
+        with self.assertRaisesRegex(TypeError, msg):
+            bytearray(b'python')['a']
+
+    def test_setitem_error(self):
+        msg = "bytearray indices must be integers or slices"
+        with self.assertRaisesRegex(TypeError, msg):
+            b = bytearray(b'python')
+            b['a'] = "python"
+
     def test_nohash(self):
         self.assertRaises(TypeError, hash, bytearray())
 
@@ -974,6 +1012,28 @@ class ByteArrayTest(BaseBytesTest, unittest.TestCase):
         b[8:] = b
         self.assertEqual(b, bytearray(list(range(8)) + list(range(256))))
 
+    def test_mod(self):
+        b = bytearray(b'hello, %b!')
+        orig = b
+        b = b % b'world'
+        self.assertEqual(b, b'hello, world!')
+        self.assertEqual(orig, bytearray(b'hello, %b!'))
+        self.assertFalse(b is orig)
+        b = bytearray(b'%s / 100 = %d%%')
+        a = b % (b'seventy-nine', 79)
+        self.assertEqual(a, bytearray(b'seventy-nine / 100 = 79%'))
+
+    def test_imod(self):
+        b = bytearray(b'hello, %b!')
+        orig = b
+        b %= b'world'
+        self.assertEqual(b, b'hello, world!')
+        self.assertEqual(orig, bytearray(b'hello, %b!'))
+        self.assertFalse(b is orig)
+        b = bytearray(b'%s / 100 = %d%%')
+        b %= (b'seventy-nine', 79)
+        self.assertEqual(b, bytearray(b'seventy-nine / 100 = 79%'))
+
     def test_iconcat(self):
         b = bytearray(b"abc")
         b1 = b
@@ -1164,6 +1224,10 @@ class ByteArrayTest(BaseBytesTest, unittest.TestCase):
         self.assertRaises(BufferError, delslice)
         self.assertEqual(b, orig)
 
+    @test.support.cpython_only
+    def test_obsolete_write_lock(self):
+        from _testcapi import getbuffer_with_null_view
+        self.assertRaises(BufferError, getbuffer_with_null_view, bytearray())
 
 class AssortedBytesTest(unittest.TestCase):
     #
@@ -1274,20 +1338,35 @@ class AssortedBytesTest(unittest.TestCase):
         b = bytearray()
         self.assertFalse(b.replace(b'', b'') is b)
 
+    @unittest.skipUnless(sys.flags.bytes_warning,
+                         "BytesWarning is needed for this test: use -bb option")
     def test_compare(self):
-        if sys.flags.bytes_warning:
-            def bytes_warning():
-                return test.support.check_warnings(('', BytesWarning))
-            with bytes_warning():
-                b'' == ''
-            with bytes_warning():
-                b'' != ''
-            with bytes_warning():
-                bytearray(b'') == ''
-            with bytes_warning():
-                bytearray(b'') != ''
-        else:
-            self.skipTest("BytesWarning is needed for this test: use -bb option")
+        def bytes_warning():
+            return test.support.check_warnings(('', BytesWarning))
+        with bytes_warning():
+            b'' == ''
+        with bytes_warning():
+            '' == b''
+        with bytes_warning():
+            b'' != ''
+        with bytes_warning():
+            '' != b''
+        with bytes_warning():
+            bytearray(b'') == ''
+        with bytes_warning():
+            '' == bytearray(b'')
+        with bytes_warning():
+            bytearray(b'') != ''
+        with bytes_warning():
+            '' != bytearray(b'')
+        with bytes_warning():
+            b'\0' == 0
+        with bytes_warning():
+            0 == b'\0'
+        with bytes_warning():
+            b'\0' != 0
+        with bytes_warning():
+            0 != b'\0'
 
     # Optimizations:
     # __iter__? (optimization)
diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index beef275..a1e4b8d 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -2,13 +2,15 @@ from test import support
 from test.support import bigmemtest, _4G
 
 import unittest
-from io import BytesIO
+from io import BytesIO, DEFAULT_BUFFER_SIZE
 import os
 import pickle
+import glob
 import random
 import subprocess
 import sys
 from test.support import unlink
+import _compression
 
 try:
     import threading
@@ -51,6 +53,19 @@ class BaseTest(unittest.TestCase):
     EMPTY_DATA = b'BZh9\x17rE8P\x90\x00\x00\x00\x00'
     BAD_DATA = b'this is not a valid bzip2 file'
 
+    # Some tests need more than one block of uncompressed data. Since one block
+    # is at least 100 kB, we gather some data dynamically and compress it.
+    # Note that this assumes that compression works correctly, so we cannot
+    # simply use the bigger test data for all tests.
+    test_size = 0
+    BIG_TEXT = bytearray(128*1024)
+    for fname in glob.glob(os.path.join(os.path.dirname(__file__), '*.py')):
+        with open(fname, 'rb') as fh:
+            test_size += fh.readinto(memoryview(BIG_TEXT)[test_size:])
+        if test_size > 128*1024:
+            break
+    BIG_DATA = bz2.compress(BIG_TEXT, compresslevel=1)
+
     def setUp(self):
         self.filename = support.TESTFN
 
@@ -96,7 +111,7 @@ class BZ2FileTest(BaseTest):
     def testRead(self):
         self.createTempFile()
         with BZ2File(self.filename) as bz2f:
-            self.assertRaises(TypeError, bz2f.read, None)
+            self.assertRaises(TypeError, bz2f.read, float())
             self.assertEqual(bz2f.read(), self.TEXT)
 
     def testReadBadFile(self):
@@ -107,21 +122,21 @@ class BZ2FileTest(BaseTest):
     def testReadMultiStream(self):
         self.createTempFile(streams=5)
         with BZ2File(self.filename) as bz2f:
-            self.assertRaises(TypeError, bz2f.read, None)
+            self.assertRaises(TypeError, bz2f.read, float())
             self.assertEqual(bz2f.read(), self.TEXT * 5)
 
     def testReadMonkeyMultiStream(self):
         # Test BZ2File.read() on a multi-stream archive where a stream
         # boundary coincides with the end of the raw read buffer.
-        buffer_size = bz2._BUFFER_SIZE
-        bz2._BUFFER_SIZE = len(self.DATA)
+        buffer_size = _compression.BUFFER_SIZE
+        _compression.BUFFER_SIZE = len(self.DATA)
         try:
             self.createTempFile(streams=5)
             with BZ2File(self.filename) as bz2f:
-                self.assertRaises(TypeError, bz2f.read, None)
+                self.assertRaises(TypeError, bz2f.read, float())
                 self.assertEqual(bz2f.read(), self.TEXT * 5)
         finally:
-            bz2._BUFFER_SIZE = buffer_size
+            _compression.BUFFER_SIZE = buffer_size
 
     def testReadTrailingJunk(self):
         self.createTempFile(suffix=self.BAD_DATA)
@@ -136,7 +151,7 @@ class BZ2FileTest(BaseTest):
     def testRead0(self):
         self.createTempFile()
         with BZ2File(self.filename) as bz2f:
-            self.assertRaises(TypeError, bz2f.read, None)
+            self.assertRaises(TypeError, bz2f.read, float())
             self.assertEqual(bz2f.read(0), b"")
 
     def testReadChunk10(self):
@@ -545,13 +560,24 @@ class BZ2FileTest(BaseTest):
         with BZ2File(str_filename, "rb") as f:
             self.assertEqual(f.read(), self.DATA)
 
+    def testDecompressLimited(self):
+        """Decompressed data buffering should be limited"""
+        bomb = bz2.compress(bytes(int(2e6)), compresslevel=9)
+        self.assertLess(len(bomb), _compression.BUFFER_SIZE)
+
+        decomp = BZ2File(BytesIO(bomb))
+        self.assertEqual(bytes(1), decomp.read(1))
+        max_decomp = 1 + DEFAULT_BUFFER_SIZE
+        self.assertLessEqual(decomp._buffer.raw.tell(), max_decomp,
+            "Excessive amount of data was decompressed")
+
 
     # Tests for a BZ2File wrapping another file object:
 
     def testReadBytesIO(self):
         with BytesIO(self.DATA) as bio:
             with BZ2File(bio) as bz2f:
-                self.assertRaises(TypeError, bz2f.read, None)
+                self.assertRaises(TypeError, bz2f.read, float())
                 self.assertEqual(bz2f.read(), self.TEXT)
             self.assertFalse(bio.closed)
 
@@ -705,6 +731,95 @@ class BZ2DecompressorTest(BaseTest):
             with self.assertRaises(TypeError):
                 pickle.dumps(BZ2Decompressor(), proto)
 
+    def testDecompressorChunksMaxsize(self):
+        bzd = BZ2Decompressor()
+        max_length = 100
+        out = []
+
+        # Feed some input
+        len_ = len(self.BIG_DATA) - 64
+        out.append(bzd.decompress(self.BIG_DATA[:len_],
+                                  max_length=max_length))
+        self.assertFalse(bzd.needs_input)
+        self.assertEqual(len(out[-1]), max_length)
+
+        # Retrieve more data without providing more input
+        out.append(bzd.decompress(b'', max_length=max_length))
+        self.assertFalse(bzd.needs_input)
+        self.assertEqual(len(out[-1]), max_length)
+
+        # Retrieve more data while providing more input
+        out.append(bzd.decompress(self.BIG_DATA[len_:],
+                                  max_length=max_length))
+        self.assertLessEqual(len(out[-1]), max_length)
+
+        # Retrieve remaining uncompressed data
+        while not bzd.eof:
+            out.append(bzd.decompress(b'', max_length=max_length))
+            self.assertLessEqual(len(out[-1]), max_length)
+
+        out = b"".join(out)
+        self.assertEqual(out, self.BIG_TEXT)
+        self.assertEqual(bzd.unused_data, b"")
+
+    def test_decompressor_inputbuf_1(self):
+        # Test reusing input buffer after moving existing
+        # contents to beginning
+        bzd = BZ2Decompressor()
+        out = []
+
+        # Create input buffer and fill it
+        self.assertEqual(bzd.decompress(self.DATA[:100],
+                                        max_length=0), b'')
+
+        # Retrieve some results, freeing capacity at beginning
+        # of input buffer
+        out.append(bzd.decompress(b'', 2))
+
+        # Add more data that fits into input buffer after
+        # moving existing data to beginning
+        out.append(bzd.decompress(self.DATA[100:105], 15))
+
+        # Decompress rest of data
+        out.append(bzd.decompress(self.DATA[105:]))
+        self.assertEqual(b''.join(out), self.TEXT)
+
+    def test_decompressor_inputbuf_2(self):
+        # Test reusing input buffer by appending data at the
+        # end right away
+        bzd = BZ2Decompressor()
+        out = []
+
+        # Create input buffer and empty it
+        self.assertEqual(bzd.decompress(self.DATA[:200],
+                                        max_length=0), b'')
+        out.append(bzd.decompress(b''))
+
+        # Fill buffer with new data
+        out.append(bzd.decompress(self.DATA[200:280], 2))
+
+        # Append some more data, not enough to require resize
+        out.append(bzd.decompress(self.DATA[280:300], 2))
+
+        # Decompress rest of data
+        out.append(bzd.decompress(self.DATA[300:]))
+        self.assertEqual(b''.join(out), self.TEXT)
+
+    def test_decompressor_inputbuf_3(self):
+        # Test reusing input buffer after extending it
+
+        bzd = BZ2Decompressor()
+        out = []
+
+        # Create almost full input buffer
+        out.append(bzd.decompress(self.DATA[:200], 5))
+
+        # Add even more data to it, requiring resize
+        out.append(bzd.decompress(self.DATA[200:300], 5))
+
+        # Decompress rest of data
+        out.append(bzd.decompress(self.DATA[300:]))
+        self.assertEqual(b''.join(out), self.TEXT)
 
 class CompressDecompressTest(BaseTest):
     def testCompress(self):
diff --git a/Lib/test/test_call.py b/Lib/test/test_call.py
index c00ccba..e2b8e0f 100644
--- a/Lib/test/test_call.py
+++ b/Lib/test/test_call.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 
 # The test cases here cover several paths through the function calling
 # code.  They depend on the METH_XXX flag that is used to define a C
@@ -123,9 +122,5 @@ class CFunctionCalls(unittest.TestCase):
         self.assertRaises(TypeError, [].count, x=2, y=2)
 
 
-def test_main():
-    support.run_unittest(CFunctionCalls)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
index 36c62376..367feaa 100644
--- a/Lib/test/test_capi.py
+++ b/Lib/test/test_capi.py
@@ -6,10 +6,12 @@ import pickle
 import random
 import subprocess
 import sys
+import textwrap
 import time
 import unittest
 from test import support
 from test.support import MISSING_C_DOCSTRINGS
+from test.script_helper import assert_python_failure
 try:
     import _posixsubprocess
 except ImportError:
@@ -21,6 +23,9 @@ except ImportError:
 # Skip this test if the _testcapi module isn't available.
 _testcapi = support.import_module('_testcapi')
 
+# Were we compiled --with-pydebug or with #define Py_DEBUG?
+Py_DEBUG = hasattr(sys, 'gettotalrefcount')
+
 
 def testfunction(self):
     """some doc"""
@@ -118,7 +123,7 @@ class CAPITest(unittest.TestCase):
         self.assertEqual(_testcapi.no_docstring.__doc__, None)
         self.assertEqual(_testcapi.no_docstring.__text_signature__, None)
 
-        self.assertEqual(_testcapi.docstring_empty.__doc__, "")
+        self.assertEqual(_testcapi.docstring_empty.__doc__, None)
         self.assertEqual(_testcapi.docstring_empty.__text_signature__, None)
 
         self.assertEqual(_testcapi.docstring_no_signature.__doc__,
@@ -145,11 +150,92 @@ class CAPITest(unittest.TestCase):
             "This docstring has a valid signature.")
         self.assertEqual(_testcapi.docstring_with_signature.__text_signature__, "($module, /, sig)")
 
+        self.assertEqual(_testcapi.docstring_with_signature_but_no_doc.__doc__, None)
+        self.assertEqual(_testcapi.docstring_with_signature_but_no_doc.__text_signature__,
+            "($module, /, sig)")
+
         self.assertEqual(_testcapi.docstring_with_signature_and_extra_newlines.__doc__,
             "\nThis docstring has a valid signature and some extra newlines.")
         self.assertEqual(_testcapi.docstring_with_signature_and_extra_newlines.__text_signature__,
             "($module, /, parameter)")
 
+    def test_c_type_with_matrix_multiplication(self):
+        M = _testcapi.matmulType
+        m1 = M()
+        m2 = M()
+        self.assertEqual(m1 @ m2, ("matmul", m1, m2))
+        self.assertEqual(m1 @ 42, ("matmul", m1, 42))
+        self.assertEqual(42 @ m1, ("matmul", 42, m1))
+        o = m1
+        o @= m2
+        self.assertEqual(o, ("imatmul", m1, m2))
+        o = m1
+        o @= 42
+        self.assertEqual(o, ("imatmul", m1, 42))
+        o = 42
+        o @= m1
+        self.assertEqual(o, ("matmul", 42, m1))
+
+    def test_return_null_without_error(self):
+        # Issue #23571: A function must not return NULL without setting an
+        # error
+        if Py_DEBUG:
+            code = textwrap.dedent("""
+                import _testcapi
+                from test import support
+
+                with support.SuppressCrashReport():
+                    _testcapi.return_null_without_error()
+            """)
+            rc, out, err = assert_python_failure('-c', code)
+            self.assertRegex(err.replace(b'\r', b''),
+                             br'Fatal Python error: a function returned NULL '
+                                br'without setting an error\n'
+                             br'SystemError: <built-in function '
+                                 br'return_null_without_error> returned NULL '
+                                 br'without setting an error\n'
+                             br'\n'
+                             br'Current thread.*:\n'
+                             br'  File .*", line 6 in <module>')
+        else:
+            with self.assertRaises(SystemError) as cm:
+                _testcapi.return_null_without_error()
+            self.assertRegex(str(cm.exception),
+                             'return_null_without_error.* '
+                             'returned NULL without setting an error')
+
+    def test_return_result_with_error(self):
+        # Issue #23571: A function must not return a result with an error set
+        if Py_DEBUG:
+            code = textwrap.dedent("""
+                import _testcapi
+                from test import support
+
+                with support.SuppressCrashReport():
+                    _testcapi.return_result_with_error()
+            """)
+            rc, out, err = assert_python_failure('-c', code)
+            self.assertRegex(err.replace(b'\r', b''),
+                             br'Fatal Python error: a function returned a '
+                                br'result with an error set\n'
+                             br'ValueError\n'
+                             br'\n'
+                             br'During handling of the above exception, '
+                                br'another exception occurred:\n'
+                             br'\n'
+                             br'SystemError: <built-in '
+                                br'function return_result_with_error> '
+                                br'returned a result with an error set\n'
+                             br'\n'
+                             br'Current thread.*:\n'
+                             br'  File .*, line 6 in <module>')
+        else:
+            with self.assertRaises(SystemError) as cm:
+                _testcapi.return_result_with_error()
+            self.assertRegex(str(cm.exception),
+                             'return_result_with_error.* '
+                             'returned a result with an error set')
+
 
 @unittest.skipUnless(threading, 'Threading required for this test.')
 class TestPendingCalls(unittest.TestCase):
@@ -264,7 +350,7 @@ class EmbeddingTests(unittest.TestCase):
             exename += ext
             exepath = os.path.dirname(sys.executable)
         else:
-            exepath = os.path.join(basepath, "Modules")
+            exepath = os.path.join(basepath, "Programs")
         self.test_exe = exe = os.path.join(exepath, exename)
         if not os.path.exists(exe):
             self.skipTest("%r doesn't exist" % exe)
@@ -283,12 +369,13 @@ class EmbeddingTests(unittest.TestCase):
         cmd.extend(args)
         p = subprocess.Popen(cmd,
                              stdout=subprocess.PIPE,
-                             stderr=subprocess.PIPE)
+                             stderr=subprocess.PIPE,
+                             universal_newlines=True)
         (out, err) = p.communicate()
         self.assertEqual(p.returncode, 0,
                          "bad returncode %d, stderr is %r" %
                          (p.returncode, err))
-        return out.decode("latin1"), err.decode("latin1")
+        return out, err
 
     def test_subinterps(self):
         # This is just a "don't crash" test
@@ -315,34 +402,38 @@ class EmbeddingTests(unittest.TestCase):
             print()
             print(out)
             print(err)
+        expected_errors = sys.__stdout__.errors
         expected_stdin_encoding = sys.__stdin__.encoding
         expected_pipe_encoding = self._get_default_pipe_encoding()
-        expected_output = os.linesep.join([
+        expected_output = '\n'.join([
         "--- Use defaults ---",
         "Expected encoding: default",
         "Expected errors: default",
-        "stdin: {0}:strict",
-        "stdout: {1}:strict",
-        "stderr: {1}:backslashreplace",
+        "stdin: {in_encoding}:{errors}",
+        "stdout: {out_encoding}:{errors}",
+        "stderr: {out_encoding}:backslashreplace",
         "--- Set errors only ---",
         "Expected encoding: default",
-        "Expected errors: surrogateescape",
-        "stdin: {0}:surrogateescape",
-        "stdout: {1}:surrogateescape",
-        "stderr: {1}:backslashreplace",
+        "Expected errors: ignore",
+        "stdin: {in_encoding}:ignore",
+        "stdout: {out_encoding}:ignore",
+        "stderr: {out_encoding}:backslashreplace",
         "--- Set encoding only ---",
         "Expected encoding: latin-1",
         "Expected errors: default",
-        "stdin: latin-1:strict",
-        "stdout: latin-1:strict",
+        "stdin: latin-1:{errors}",
+        "stdout: latin-1:{errors}",
         "stderr: latin-1:backslashreplace",
         "--- Set encoding and errors ---",
         "Expected encoding: latin-1",
-        "Expected errors: surrogateescape",
-        "stdin: latin-1:surrogateescape",
-        "stdout: latin-1:surrogateescape",
-        "stderr: latin-1:backslashreplace"]).format(expected_stdin_encoding,
-                                                    expected_pipe_encoding)
+        "Expected errors: replace",
+        "stdin: latin-1:replace",
+        "stdout: latin-1:replace",
+        "stderr: latin-1:backslashreplace"])
+        expected_output = expected_output.format(
+                                in_encoding=expected_stdin_encoding,
+                                out_encoding=expected_pipe_encoding,
+                                errors=expected_errors)
         # This is useful if we ever trip over odd platform behaviour
         self.maxDiff = None
         self.assertEqual(out.strip(), expected_output)
diff --git a/Lib/test/test_cgi.py b/Lib/test/test_cgi.py
index d2c326b..a7a9d02 100644
--- a/Lib/test/test_cgi.py
+++ b/Lib/test/test_cgi.py
@@ -1,4 +1,4 @@
-from test.support import run_unittest, check_warnings
+from test.support import check_warnings
 import cgi
 import os
 import sys
@@ -326,6 +326,17 @@ Content-Type: text/plain
                 got = getattr(files[x], k)
                 self.assertEqual(got, exp)
 
+    def test_fieldstorage_as_context_manager(self):
+        fp = BytesIO(b'x' * 10)
+        env = {'REQUEST_METHOD': 'PUT'}
+        with cgi.FieldStorage(fp=fp, environ=env) as fs:
+            content = fs.file.read()
+            self.assertFalse(fs.file.closed)
+        self.assertTrue(fs.file.closed)
+        self.assertEqual(content, 'x' * 10)
+        with self.assertRaisesRegex(ValueError, 'I/O operation on closed file'):
+            fs.file.read()
+
     _qs_result = {
         'key1': 'value1',
         'key2': ['value2x', 'value2y'],
@@ -500,9 +511,5 @@ Content-Transfer-Encoding: binary
 --AaB03x--
 """
 
-
-def test_main():
-    run_unittest(CgiTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_cgitb.py b/Lib/test/test_cgitb.py
index 2e072a9..cd0ab90 100644
--- a/Lib/test/test_cgitb.py
+++ b/Lib/test/test_cgitb.py
@@ -1,4 +1,3 @@
-from test.support import run_unittest
 from test.script_helper import assert_python_failure, temp_dir
 import unittest
 import sys
@@ -63,8 +62,5 @@ class TestCgitb(unittest.TestCase):
         self.assertNotIn('</p>', out)
 
 
-def test_main():
-    run_unittest(TestCgitb)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_charmapcodec.py b/Lib/test/test_charmapcodec.py
index 6226587..4064aef 100644
--- a/Lib/test/test_charmapcodec.py
+++ b/Lib/test/test_charmapcodec.py
@@ -49,8 +49,5 @@ class CharmapCodecTest(unittest.TestCase):
     def test_maptoundefined(self):
         self.assertRaises(UnicodeError, str, b'abc\001', codecname)
 
-def test_main():
-    test.support.run_unittest(CharmapCodecTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_class.py b/Lib/test/test_class.py
index e3883d6..6036e36 100644
--- a/Lib/test/test_class.py
+++ b/Lib/test/test_class.py
@@ -2,7 +2,6 @@
 
 import unittest
 
-from test import support
 
 testmeths = [
 
@@ -13,6 +12,8 @@ testmeths = [
     "rsub",
     "mul",
     "rmul",
+    "matmul",
+    "rmatmul",
     "truediv",
     "rtruediv",
     "floordiv",
@@ -177,6 +178,14 @@ class ClassTests(unittest.TestCase):
         self.assertCallStack([("__rmul__", (testme, 1))])
 
         callLst[:] = []
+        testme @ 1
+        self.assertCallStack([("__matmul__", (testme, 1))])
+
+        callLst[:] = []
+        1 @ testme
+        self.assertCallStack([("__rmatmul__", (testme, 1))])
+
+        callLst[:] = []
         testme / 1
         self.assertCallStack([("__truediv__", (testme, 1))])
 
@@ -559,8 +568,5 @@ class ClassTests(unittest.TestCase):
         a = A(hash(A.f)^(-1))
         hash(a.f)
 
-def test_main():
-    support.run_unittest(ClassTests)
-
-if __name__=='__main__':
-    test_main()
+if __name__ == '__main__':
+    unittest.main()
diff --git a/Lib/test/test_cmath.py b/Lib/test/test_cmath.py
index 4db6b2b..78ec85a 100644
--- a/Lib/test/test_cmath.py
+++ b/Lib/test/test_cmath.py
@@ -1,4 +1,4 @@
-from test.support import run_unittest, requires_IEEE_754
+from test.support import requires_IEEE_754
 from test.test_math import parse_testfile, test_file
 import unittest
 import cmath, math
@@ -529,8 +529,5 @@ class CMathTests(unittest.TestCase):
             self.assertComplexIdentical(cmath.atanh(z), z)
 
 
-def test_main():
-    run_unittest(CMathTests)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index cb9bbdd..6ba929c 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -344,7 +344,8 @@ class CmdLineTest(unittest.TestCase):
         # Issue #5319: if stdout.flush() fails at shutdown, an error should
         # be printed out.
         code = """if 1:
-            import os, sys
+            import os, sys, test.support
+            test.support.SuppressCrashReport().__enter__()
             sys.stdout.write('x')
             os.close(sys.stdout.fileno())"""
         rc, out, err = assert_python_ok('-c', code)
@@ -444,7 +445,7 @@ class CmdLineTest(unittest.TestCase):
         self.assertEqual(err.splitlines().count(b'Unknown option: -a'), 1)
         self.assertEqual(b'', out)
 
-    @unittest.skipIf(script_helper._interpreter_requires_environment(),
+    @unittest.skipIf(script_helper.interpreter_requires_environment(),
                      'Cannot run -I tests when PYTHON env vars are required.')
     def test_isolatedmode(self):
         self.verify_valid_flag('-I')
diff --git a/Lib/test/test_code_module.py b/Lib/test/test_code_module.py
index 7a80a80..3394b39 100644
--- a/Lib/test/test_code_module.py
+++ b/Lib/test/test_code_module.py
@@ -1,6 +1,7 @@
 "Test InteractiveConsole and InteractiveInterpreter from code module"
 import sys
 import unittest
+from textwrap import dedent
 from contextlib import ExitStack
 from unittest import mock
 from test import support
@@ -78,9 +79,40 @@ class TestInteractiveConsole(unittest.TestCase):
         self.console.interact(banner='')
         self.assertEqual(len(self.stderr.method_calls), 1)
 
+    def test_cause_tb(self):
+        self.infunc.side_effect = ["raise ValueError('') from AttributeError",
+                                    EOFError('Finished')]
+        self.console.interact()
+        output = ''.join(''.join(call[1]) for call in self.stderr.method_calls)
+        expected = dedent("""
+        AttributeError
+
+        The above exception was the direct cause of the following exception:
+
+        Traceback (most recent call last):
+          File "<console>", line 1, in <module>
+        ValueError
+        """)
+        self.assertIn(expected, output)
+
+    def test_context_tb(self):
+        self.infunc.side_effect = ["try: ham\nexcept: eggs\n",
+                                    EOFError('Finished')]
+        self.console.interact()
+        output = ''.join(''.join(call[1]) for call in self.stderr.method_calls)
+        expected = dedent("""
+        Traceback (most recent call last):
+          File "<console>", line 1, in <module>
+        NameError: name 'ham' is not defined
+
+        During handling of the above exception, another exception occurred:
+
+        Traceback (most recent call last):
+          File "<console>", line 2, in <module>
+        NameError: name 'eggs' is not defined
+        """)
+        self.assertIn(expected, output)
 
-def test_main():
-    support.run_unittest(TestInteractiveConsole)
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_codeccallbacks.py b/Lib/test/test_codeccallbacks.py
index cacdfae..4cfb88e 100644
--- a/Lib/test/test_codeccallbacks.py
+++ b/Lib/test/test_codeccallbacks.py
@@ -150,6 +150,22 @@ class CodecCallbackTest(unittest.TestCase):
         sout = b"a\xac\\u1234\xa4\\u8000\\U0010ffff"
         self.assertEqual(sin.encode("iso-8859-15", "backslashreplace"), sout)
 
+    def test_nameescape(self):
+        # Does the same as backslashescape, but prefers ``\N{...}`` escape
+        # sequences.
+        sin = "a\xac\u1234\u20ac\u8000\U0010ffff"
+        sout = (b'a\\N{NOT SIGN}\\N{ETHIOPIC SYLLABLE SEE}\\N{EURO SIGN}'
+                b'\\N{CJK UNIFIED IDEOGRAPH-8000}\\U0010ffff')
+        self.assertEqual(sin.encode("ascii", "namereplace"), sout)
+
+        sout = (b'a\xac\\N{ETHIOPIC SYLLABLE SEE}\\N{EURO SIGN}'
+                b'\\N{CJK UNIFIED IDEOGRAPH-8000}\\U0010ffff')
+        self.assertEqual(sin.encode("latin-1", "namereplace"), sout)
+
+        sout = (b'a\xac\\N{ETHIOPIC SYLLABLE SEE}\xa4'
+                b'\\N{CJK UNIFIED IDEOGRAPH-8000}\\U0010ffff')
+        self.assertEqual(sin.encode("iso-8859-15", "namereplace"), sout)
+
     def test_decoding_callbacks(self):
         # This is a test for a decoding callback handler
         # that allows the decoding of the invalid sequence
@@ -220,6 +236,11 @@ class CodecCallbackTest(unittest.TestCase):
                     "\u0000\ufffd"
                 )
 
+                self.assertEqual(
+                    b"\x00\x00\x00\x00\x00".decode("unicode-internal", "backslashreplace"),
+                    "\u0000\\x00"
+                )
+
                 codecs.register_error("test.hui", handler_unicodeinternal)
 
                 self.assertEqual(
@@ -287,7 +308,7 @@ class CodecCallbackTest(unittest.TestCase):
     def test_longstrings(self):
         # test long strings to check for memory overflow problems
         errors = [ "strict", "ignore", "replace", "xmlcharrefreplace",
-                   "backslashreplace"]
+                   "backslashreplace", "namereplace"]
         # register the handlers under different names,
         # to prevent the codec from recognizing the name
         for err in errors:
@@ -550,17 +571,6 @@ class CodecCallbackTest(unittest.TestCase):
            codecs.backslashreplace_errors,
            UnicodeError("ouch")
         )
-        # "backslashreplace" can only be used for encoding
-        self.assertRaises(
-            TypeError,
-            codecs.backslashreplace_errors,
-            UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch")
-        )
-        self.assertRaises(
-            TypeError,
-            codecs.backslashreplace_errors,
-            UnicodeTranslateError("\u3042", 0, 1, "ouch")
-        )
         # Use the correct exception
         tests = [
             ("\u3042", "\\u3042"),
@@ -585,6 +595,72 @@ class CodecCallbackTest(unittest.TestCase):
                                            1, 1 + len(s), "ouch")),
                     (r, 1 + len(s))
                 )
+                self.assertEqual(
+                    codecs.backslashreplace_errors(
+                        UnicodeTranslateError("a" + s + "b",
+                                              1, 1 + len(s), "ouch")),
+                    (r, 1 + len(s))
+                )
+        tests = [
+            (b"a", "\\x61"),
+            (b"\n", "\\x0a"),
+            (b"\x00", "\\x00"),
+            (b"\xff", "\\xff"),
+        ]
+        for b, r in tests:
+            with self.subTest(bytes=b):
+                self.assertEqual(
+                    codecs.backslashreplace_errors(
+                        UnicodeDecodeError("ascii", bytearray(b"a" + b + b"b"),
+                                           1, 2, "ouch")),
+                    (r, 2)
+                )
+
+    def test_badandgoodnamereplaceexceptions(self):
+        # "namereplace" complains about a non-exception passed in
+        self.assertRaises(
+           TypeError,
+           codecs.namereplace_errors,
+           42
+        )
+        # "namereplace" complains about the wrong exception types
+        self.assertRaises(
+           TypeError,
+           codecs.namereplace_errors,
+           UnicodeError("ouch")
+        )
+        # "namereplace" can only be used for encoding
+        self.assertRaises(
+            TypeError,
+            codecs.namereplace_errors,
+            UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch")
+        )
+        self.assertRaises(
+            TypeError,
+            codecs.namereplace_errors,
+            UnicodeTranslateError("\u3042", 0, 1, "ouch")
+        )
+        # Use the correct exception
+        tests = [
+            ("\u3042", "\\N{HIRAGANA LETTER A}"),
+            ("\x00", "\\x00"),
+            ("\ufbf9", "\\N{ARABIC LIGATURE UIGHUR KIRGHIZ YEH WITH "
+                       "HAMZA ABOVE WITH ALEF MAKSURA ISOLATED FORM}"),
+            ("\U000e007f", "\\N{CANCEL TAG}"),
+            ("\U0010ffff", "\\U0010ffff"),
+            # Lone surrogates
+            ("\ud800", "\\ud800"),
+            ("\udfff", "\\udfff"),
+            ("\ud800\udfff", "\\ud800\\udfff"),
+        ]
+        for s, r in tests:
+            with self.subTest(str=s):
+                self.assertEqual(
+                    codecs.namereplace_errors(
+                        UnicodeEncodeError("ascii", "a" + s + "b",
+                                           1, 1 + len(s), "ouch")),
+                    (r, 1 + len(s))
+                )
 
     def test_badandgoodsurrogateescapeexceptions(self):
         surrogateescape_errors = codecs.lookup_error('surrogateescape')
@@ -663,20 +739,24 @@ class CodecCallbackTest(unittest.TestCase):
                     surrogatepass_errors,
                     UnicodeDecodeError(enc, "a".encode(enc), 0, 1, "ouch")
                 )
+        for s in ("\ud800", "\udfff", "\ud800\udfff"):
+            with self.subTest(str=s):
+                self.assertRaises(
+                    UnicodeEncodeError,
+                    surrogatepass_errors,
+                    UnicodeEncodeError("ascii", s, 0, len(s), "ouch")
+                )
         tests = [
-            ("ascii", "\ud800", b'\xed\xa0\x80', 3),
             ("utf-8", "\ud800", b'\xed\xa0\x80', 3),
             ("utf-16le", "\ud800", b'\x00\xd8', 2),
             ("utf-16be", "\ud800", b'\xd8\x00', 2),
             ("utf-32le", "\ud800", b'\x00\xd8\x00\x00', 4),
             ("utf-32be", "\ud800", b'\x00\x00\xd8\x00', 4),
-            ("ascii", "\udfff", b'\xed\xbf\xbf', 3),
             ("utf-8", "\udfff", b'\xed\xbf\xbf', 3),
             ("utf-16le", "\udfff", b'\xff\xdf', 2),
             ("utf-16be", "\udfff", b'\xdf\xff', 2),
             ("utf-32le", "\udfff", b'\xff\xdf\x00\x00', 4),
             ("utf-32be", "\udfff", b'\x00\x00\xdf\xff', 4),
-            ("ascii", "\ud800\udfff", b'\xed\xa0\x80\xed\xbf\xbf', 3),
             ("utf-8", "\ud800\udfff", b'\xed\xa0\x80\xed\xbf\xbf', 3),
             ("utf-16le", "\ud800\udfff", b'\x00\xd8\xff\xdf', 2),
             ("utf-16be", "\ud800\udfff", b'\xd8\x00\xdf\xff', 2),
@@ -694,7 +774,7 @@ class CodecCallbackTest(unittest.TestCase):
                 self.assertEqual(
                     surrogatepass_errors(
                         UnicodeDecodeError(enc, bytearray(b"a" + b[:n] + b"b"),
-                                           1, n, "ouch")),
+                                           1, 1 + n, "ouch")),
                     (s[:1], 1 + n)
                 )
 
@@ -738,6 +818,10 @@ class CodecCallbackTest(unittest.TestCase):
             codecs.backslashreplace_errors,
             codecs.lookup_error("backslashreplace")
         )
+        self.assertEqual(
+            codecs.namereplace_errors,
+            codecs.lookup_error("namereplace")
+        )
 
     def test_unencodablereplacement(self):
         def unencrepl(exc):
@@ -890,7 +974,8 @@ class CodecCallbackTest(unittest.TestCase):
         class D(dict):
             def __getitem__(self, key):
                 raise ValueError
-        for err in ("strict", "replace", "xmlcharrefreplace", "backslashreplace", "test.posreturn"):
+        for err in ("strict", "replace", "xmlcharrefreplace",
+                    "backslashreplace", "namereplace", "test.posreturn"):
             self.assertRaises(UnicodeError, codecs.charmap_encode, "\xff", err, {0xff: None})
             self.assertRaises(ValueError, codecs.charmap_encode, "\xff", err, D())
             self.assertRaises(TypeError, codecs.charmap_encode, "\xff", err, {0xff: 300})
@@ -905,7 +990,7 @@ class CodecCallbackTest(unittest.TestCase):
             def __getitem__(self, key):
                 raise ValueError
         #self.assertRaises(ValueError, "\xff".translate, D())
-        self.assertRaises(TypeError, "\xff".translate, {0xff: sys.maxunicode+1})
+        self.assertRaises(ValueError, "\xff".translate, {0xff: sys.maxunicode+1})
         self.assertRaises(TypeError, "\xff".translate, {0xff: ()})
 
     def test_bug828737(self):
diff --git a/Lib/test/test_codecencodings_cn.py b/Lib/test/test_codecencodings_cn.py
index 60e69eb..d0e3a15 100644
--- a/Lib/test/test_codecencodings_cn.py
+++ b/Lib/test/test_codecencodings_cn.py
@@ -83,8 +83,5 @@ class Test_HZ(multibytecodec_support.TestBase, unittest.TestCase):
         (b"ab~{\x79\x79\x41\x44~}cd", "replace", "ab\ufffd\ufffd\u804acd"),
     )
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_codecencodings_hk.py b/Lib/test/test_codecencodings_hk.py
index 25c05b6..bb9be11 100644
--- a/Lib/test/test_codecencodings_hk.py
+++ b/Lib/test/test_codecencodings_hk.py
@@ -19,8 +19,5 @@ class Test_Big5HKSCS(multibytecodec_support.TestBase, unittest.TestCase):
         (b"abc\x80\x80\xc1\xc4", "ignore",  "abc\u8b10"),
     )
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_codecencodings_iso2022.py b/Lib/test/test_codecencodings_iso2022.py
index 8776864..8a3ca70 100644
--- a/Lib/test/test_codecencodings_iso2022.py
+++ b/Lib/test/test_codecencodings_iso2022.py
@@ -38,8 +38,5 @@ class Test_ISO2022_KR(multibytecodec_support.TestBase, unittest.TestCase):
     def test_chunkcoding(self):
         pass
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_codecencodings_jp.py b/Lib/test/test_codecencodings_jp.py
index 4091948..44b63a0 100644
--- a/Lib/test/test_codecencodings_jp.py
+++ b/Lib/test/test_codecencodings_jp.py
@@ -123,8 +123,5 @@ class Test_SJISX0213(multibytecodec_support.TestBase, unittest.TestCase):
         b"\x85G&real;\x85Q = &lang;&#4660;&rang;"
     )
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_codecencodings_kr.py b/Lib/test/test_codecencodings_kr.py
index cd7696a..b6a74fb 100644
--- a/Lib/test/test_codecencodings_kr.py
+++ b/Lib/test/test_codecencodings_kr.py
@@ -66,8 +66,5 @@ class Test_JOHAB(multibytecodec_support.TestBase, unittest.TestCase):
         (b"\x8CBxy", "replace",  "\uFFFDBxy"),
     )
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_codecencodings_tw.py b/Lib/test/test_codecencodings_tw.py
index ea6e1c1..9174296 100644
--- a/Lib/test/test_codecencodings_tw.py
+++ b/Lib/test/test_codecencodings_tw.py
@@ -19,8 +19,5 @@ class Test_Big5(multibytecodec_support.TestBase, unittest.TestCase):
         (b"abc\x80\x80\xc1\xc4", "ignore",  "abc\u8b10"),
     )
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py
index 6629ccd..fb3db77 100644
--- a/Lib/test/test_codecs.py
+++ b/Lib/test/test_codecs.py
@@ -349,6 +349,8 @@ class ReadTest(MixInCheckStateHandling):
         self.assertRaises(UnicodeEncodeError, "\ud800".encode, self.encoding)
         self.assertEqual("[\uDC80]".encode(self.encoding, "backslashreplace"),
                          "[\\udc80]".encode(self.encoding))
+        self.assertEqual("[\uDC80]".encode(self.encoding, "namereplace"),
+                         "[\\udc80]".encode(self.encoding))
         self.assertEqual("[\uDC80]".encode(self.encoding, "xmlcharrefreplace"),
                          "[&#56448;]".encode(self.encoding))
         self.assertEqual("[\uDC80]".encode(self.encoding, "ignore"),
@@ -376,6 +378,10 @@ class ReadTest(MixInCheckStateHandling):
                              before + after)
             self.assertEqual(test_sequence.decode(self.encoding, "replace"),
                              before + self.ill_formed_sequence_replace + after)
+            backslashreplace = ''.join('\\x%02x' % b
+                                       for b in self.ill_formed_sequence)
+            self.assertEqual(test_sequence.decode(self.encoding, "backslashreplace"),
+                             before + backslashreplace + after)
 
 class UTF32Test(ReadTest, unittest.TestCase):
     encoding = "utf-32"
@@ -808,6 +814,7 @@ class CP65001Test(ReadTest, unittest.TestCase):
                 ('\udc80', 'ignore', b''),
                 ('\udc80', 'replace', b'?'),
                 ('\udc80', 'backslashreplace', b'\\udc80'),
+                ('\udc80', 'namereplace', b'\\udc80'),
                 ('\udc80', 'surrogatepass', b'\xed\xb2\x80'),
             ))
         else:
@@ -869,6 +876,8 @@ class CP65001Test(ReadTest, unittest.TestCase):
         self.assertRaises(UnicodeDecodeError, b"\xed\xa0\x80".decode, "cp65001")
         self.assertEqual("[\uDC80]".encode("cp65001", "backslashreplace"),
                          b'[\\udc80]')
+        self.assertEqual("[\uDC80]".encode("cp65001", "namereplace"),
+                         b'[\\udc80]')
         self.assertEqual("[\uDC80]".encode("cp65001", "xmlcharrefreplace"),
                          b'[&#56448;]')
         self.assertEqual("[\uDC80]".encode("cp65001", "surrogateescape"),
@@ -890,10 +899,6 @@ class CP65001Test(ReadTest, unittest.TestCase):
                          "\U00010fff\uD800")
         self.assertTrue(codecs.lookup_error("surrogatepass"))
 
-    def test_readline(self):
-        self.skipTest("issue #20571: code page 65001 codec does not "
-                      "support partial decoder yet")
-
 
 class UTF7Test(ReadTest, unittest.TestCase):
     encoding = "utf-7"
@@ -1081,6 +1086,7 @@ class UTF8SigTest(UTF8Test, unittest.TestCase):
 class EscapeDecodeTest(unittest.TestCase):
     def test_empty(self):
         self.assertEqual(codecs.escape_decode(b""), (b"", 0))
+        self.assertEqual(codecs.escape_decode(bytearray()), (b"", 0))
 
     def test_raw(self):
         decode = codecs.escape_decode
@@ -1299,14 +1305,19 @@ class UnicodeInternalTest(unittest.TestCase):
                                   "unicode_internal")
         if sys.byteorder == "little":
             invalid = b"\x00\x00\x11\x00"
+            invalid_backslashreplace = r"\x00\x00\x11\x00"
         else:
             invalid = b"\x00\x11\x00\x00"
+            invalid_backslashreplace = r"\x00\x11\x00\x00"
         with support.check_warnings():
             self.assertRaises(UnicodeDecodeError,
                               invalid.decode, "unicode_internal")
         with support.check_warnings():
             self.assertEqual(invalid.decode("unicode_internal", "replace"),
                              '\ufffd')
+        with support.check_warnings():
+            self.assertEqual(invalid.decode("unicode_internal", "backslashreplace"),
+                             invalid_backslashreplace)
 
     @unittest.skipUnless(SIZEOF_WCHAR_T == 4, 'specific to 32-bit wchar_t')
     def test_decode_error_attributes(self):
@@ -1612,6 +1623,12 @@ class CodecsModuleTest(unittest.TestCase):
         self.assertEqual(codecs.decode(b'abc'), 'abc')
         self.assertRaises(UnicodeDecodeError, codecs.decode, b'\xff', 'ascii')
 
+        # test keywords
+        self.assertEqual(codecs.decode(obj=b'\xe4\xf6\xfc', encoding='latin-1'),
+                         '\xe4\xf6\xfc')
+        self.assertEqual(codecs.decode(b'[\xff]', 'ascii', errors='ignore'),
+                         '[]')
+
     def test_encode(self):
         self.assertEqual(codecs.encode('\xe4\xf6\xfc', 'latin-1'),
                          b'\xe4\xf6\xfc')
@@ -1620,6 +1637,12 @@ class CodecsModuleTest(unittest.TestCase):
         self.assertEqual(codecs.encode('abc'), b'abc')
         self.assertRaises(UnicodeEncodeError, codecs.encode, '\xffff', 'ascii')
 
+        # test keywords
+        self.assertEqual(codecs.encode(obj='\xe4\xf6\xfc', encoding='latin-1'),
+                         b'\xe4\xf6\xfc')
+        self.assertEqual(codecs.encode('[\xff]', 'ascii', errors='ignore'),
+                         b'[]')
+
     def test_register(self):
         self.assertRaises(TypeError, codecs.register)
         self.assertRaises(TypeError, codecs.register, 42)
@@ -1668,6 +1691,7 @@ class CodecsModuleTest(unittest.TestCase):
             "register_error", "lookup_error",
             "strict_errors", "replace_errors", "ignore_errors",
             "xmlcharrefreplace_errors", "backslashreplace_errors",
+            "namereplace_errors",
             "open", "EncodedFile",
             "iterencode", "iterdecode",
             "BOM", "BOM_BE", "BOM_LE",
@@ -2029,6 +2053,16 @@ class CharmapTest(unittest.TestCase):
         )
 
         self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace", "ab"),
+            ("ab\\x02", 3)
+        )
+
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace", "ab\ufffe"),
+            ("ab\\x02", 3)
+        )
+
+        self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "ignore", "ab"),
             ("ab", 3)
         )
@@ -2105,6 +2139,25 @@ class CharmapTest(unittest.TestCase):
         )
 
         self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace",
+                                  {0: 'a', 1: 'b'}),
+            ("ab\\x02", 3)
+        )
+
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace",
+                                  {0: 'a', 1: 'b', 2: None}),
+            ("ab\\x02", 3)
+        )
+
+        # Issue #14850
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace",
+                                  {0: 'a', 1: 'b', 2: '\ufffe'}),
+            ("ab\\x02", 3)
+        )
+
+        self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "ignore",
                                   {0: 'a', 1: 'b'}),
             ("ab", 3)
@@ -2181,6 +2234,18 @@ class CharmapTest(unittest.TestCase):
         )
 
         self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace",
+                                  {0: a, 1: b}),
+            ("ab\\x02", 3)
+        )
+
+        self.assertEqual(
+            codecs.charmap_decode(b"\x00\x01\x02", "backslashreplace",
+                                  {0: a, 1: b, 2: 0xFFFE}),
+            ("ab\\x02", 3)
+        )
+
+        self.assertEqual(
             codecs.charmap_decode(b"\x00\x01\x02", "ignore",
                                   {0: a, 1: b}),
             ("ab", 3)
@@ -2239,9 +2304,13 @@ class TypesTest(unittest.TestCase):
 
         self.assertRaises(UnicodeDecodeError, codecs.unicode_escape_decode, br"\U00110000")
         self.assertEqual(codecs.unicode_escape_decode(r"\U00110000", "replace"), ("\ufffd", 10))
+        self.assertEqual(codecs.unicode_escape_decode(r"\U00110000", "backslashreplace"),
+                         (r"\x5c\x55\x30\x30\x31\x31\x30\x30\x30\x30", 10))
 
         self.assertRaises(UnicodeDecodeError, codecs.raw_unicode_escape_decode, br"\U00110000")
         self.assertEqual(codecs.raw_unicode_escape_decode(r"\U00110000", "replace"), ("\ufffd", 10))
+        self.assertEqual(codecs.raw_unicode_escape_decode(r"\U00110000", "backslashreplace"),
+                         (r"\x5c\x55\x30\x30\x31\x31\x30\x30\x30\x30", 10))
 
 
 class UnicodeEscapeTest(unittest.TestCase):
@@ -2818,15 +2887,15 @@ class CodePageTest(unittest.TestCase):
         self.assertRaisesRegex(UnicodeEncodeError, 'cp932',
             codecs.code_page_encode, 932, '\xff')
         self.assertRaisesRegex(UnicodeDecodeError, 'cp932',
-            codecs.code_page_decode, 932, b'\x81\x00')
+            codecs.code_page_decode, 932, b'\x81\x00', 'strict', True)
         self.assertRaisesRegex(UnicodeDecodeError, 'CP_UTF8',
-            codecs.code_page_decode, self.CP_UTF8, b'\xff')
+            codecs.code_page_decode, self.CP_UTF8, b'\xff', 'strict', True)
 
     def check_decode(self, cp, tests):
         for raw, errors, expected in tests:
             if expected is not None:
                 try:
-                    decoded = codecs.code_page_decode(cp, raw, errors)
+                    decoded = codecs.code_page_decode(cp, raw, errors, True)
                 except UnicodeDecodeError as err:
                     self.fail('Unable to decode %a from "cp%s" with '
                               'errors=%r: %s' % (raw, cp, errors, err))
@@ -2838,7 +2907,7 @@ class CodePageTest(unittest.TestCase):
                 self.assertLessEqual(decoded[1], len(raw))
             else:
                 self.assertRaises(UnicodeDecodeError,
-                    codecs.code_page_decode, cp, raw, errors)
+                    codecs.code_page_decode, cp, raw, errors, True)
 
     def check_encode(self, cp, tests):
         for text, errors, expected in tests:
@@ -2866,7 +2935,12 @@ class CodePageTest(unittest.TestCase):
             ('[\xff]', 'replace', b'[y]'),
             ('[\u20ac]', 'replace', b'[?]'),
             ('[\xff]', 'backslashreplace', b'[\\xff]'),
+            ('[\xff]', 'namereplace',
+             b'[\\N{LATIN SMALL LETTER Y WITH DIAERESIS}]'),
             ('[\xff]', 'xmlcharrefreplace', b'[&#255;]'),
+            ('\udcff', 'strict', None),
+            ('[\udcff]', 'surrogateescape', b'[\xff]'),
+            ('[\udcff]', 'surrogatepass', None),
         ))
         self.check_decode(932, (
             (b'abc', 'strict', 'abc'),
@@ -2875,10 +2949,13 @@ class CodePageTest(unittest.TestCase):
             (b'[\xff]', 'strict', None),
             (b'[\xff]', 'ignore', '[]'),
             (b'[\xff]', 'replace', '[\ufffd]'),
+            (b'[\xff]', 'backslashreplace', '[\\xff]'),
             (b'[\xff]', 'surrogateescape', '[\udcff]'),
+            (b'[\xff]', 'surrogatepass', None),
             (b'\x81\x00abc', 'strict', None),
             (b'\x81\x00abc', 'ignore', '\x00abc'),
             (b'\x81\x00abc', 'replace', '\ufffd\x00abc'),
+            (b'\x81\x00abc', 'backslashreplace', '\\x81\x00abc'),
         ))
 
     def test_cp1252(self):
@@ -2886,9 +2963,12 @@ class CodePageTest(unittest.TestCase):
             ('abc', 'strict', b'abc'),
             ('\xe9\u20ac', 'strict',  b'\xe9\x80'),
             ('\xff', 'strict', b'\xff'),
+            # test error handlers
             ('\u0141', 'strict', None),
             ('\u0141', 'ignore', b''),
             ('\u0141', 'replace', b'L'),
+            ('\udc98', 'surrogateescape', b'\x98'),
+            ('\udc98', 'surrogatepass', None),
         ))
         self.check_decode(1252, (
             (b'abc', 'strict', 'abc'),
diff --git a/Lib/test/test_codeop.py b/Lib/test/test_codeop.py
index b65423b..509bf5d 100644
--- a/Lib/test/test_codeop.py
+++ b/Lib/test/test_codeop.py
@@ -3,7 +3,7 @@
    Nick Mathewson
 """
 import unittest
-from test.support import run_unittest, is_jython
+from test.support import is_jython
 
 from codeop import compile_command, PyCF_DONT_IMPLY_DEDENT
 import io
@@ -296,9 +296,5 @@ class CodeopTests(unittest.TestCase):
                             compile("a = 1\n", "def", 'single').co_filename)
 
 
-def test_main():
-    run_unittest(CodeopTests)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index df1c63c..958fb62 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -13,6 +13,7 @@ import re
 import sys
 from collections import UserDict
 from collections import ChainMap
+from collections import deque
 from collections.abc import Hashable, Iterable, Iterator
 from collections.abc import Sized, Container, Callable
 from collections.abc import Set, MutableSet
@@ -518,7 +519,7 @@ class TestOneTrickPonyABCs(ABCTestCase):
         class NextOnly:
             def __next__(self):
                 yield 1
-                raise StopIteration
+                return
         self.assertNotIsInstance(NextOnly(), Iterator)
 
     def test_Sized(self):
@@ -647,6 +648,59 @@ class TestCollectionABCs(ABCTestCase):
         a, b = OneTwoThreeSet(), OneTwoThreeSet()
         self.assertTrue(hash(a) == hash(b))
 
+    def test_isdisjoint_Set(self):
+        class MySet(Set):
+            def __init__(self, itr):
+                self.contents = itr
+            def __contains__(self, x):
+                return x in self.contents
+            def __iter__(self):
+                return iter(self.contents)
+            def __len__(self):
+                return len([x for x in self.contents])
+        s1 = MySet((1, 2, 3))
+        s2 = MySet((4, 5, 6))
+        s3 = MySet((1, 5, 6))
+        self.assertTrue(s1.isdisjoint(s2))
+        self.assertFalse(s1.isdisjoint(s3))
+
+    def test_equality_Set(self):
+        class MySet(Set):
+            def __init__(self, itr):
+                self.contents = itr
+            def __contains__(self, x):
+                return x in self.contents
+            def __iter__(self):
+                return iter(self.contents)
+            def __len__(self):
+                return len([x for x in self.contents])
+        s1 = MySet((1,))
+        s2 = MySet((1, 2))
+        s3 = MySet((3, 4))
+        s4 = MySet((3, 4))
+        self.assertTrue(s2 > s1)
+        self.assertTrue(s1 < s2)
+        self.assertFalse(s2 <= s1)
+        self.assertFalse(s2 <= s3)
+        self.assertFalse(s1 >= s2)
+        self.assertEqual(s3, s4)
+        self.assertNotEqual(s2, s3)
+
+    def test_arithmetic_Set(self):
+        class MySet(Set):
+            def __init__(self, itr):
+                self.contents = itr
+            def __contains__(self, x):
+                return x in self.contents
+            def __iter__(self):
+                return iter(self.contents)
+            def __len__(self):
+                return len([x for x in self.contents])
+        s1 = MySet((1, 2, 3))
+        s2 = MySet((3, 4, 5))
+        s3 = s1 & s2
+        self.assertEqual(s3, MySet((3,)))
+
     def test_MutableSet(self):
         self.assertIsInstance(set(), MutableSet)
         self.assertTrue(issubclass(set, MutableSet))
@@ -961,7 +1015,7 @@ class TestCollectionABCs(ABCTestCase):
         for sample in [tuple, str, bytes]:
             self.assertNotIsInstance(sample(), MutableSequence)
             self.assertFalse(issubclass(sample, MutableSequence))
-        for sample in [list, bytearray]:
+        for sample in [list, bytearray, deque]:
             self.assertIsInstance(sample(), MutableSequence)
             self.assertTrue(issubclass(sample, MutableSequence))
         self.assertFalse(issubclass(str, MutableSequence))
@@ -1378,6 +1432,21 @@ class TestOrderedDict(unittest.TestCase):
         self.assertEqual(list(od.items()), pairs)
         self.assertEqual(list(reversed(od)),
                          [t[0] for t in reversed(pairs)])
+        self.assertEqual(list(reversed(od.keys())),
+                         [t[0] for t in reversed(pairs)])
+        self.assertEqual(list(reversed(od.values())),
+                         [t[1] for t in reversed(pairs)])
+        self.assertEqual(list(reversed(od.items())), list(reversed(pairs)))
+
+    def test_detect_deletion_during_iteration(self):
+        od = OrderedDict.fromkeys('abc')
+        it = iter(od)
+        key = next(it)
+        del od[key]
+        with self.assertRaises(Exception):
+            # Note, the exact exception raised is not guaranteed
+            # The only guarantee that the next() will not succeed
+            next(it)
 
     def test_popitem(self):
         pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
diff --git a/Lib/test/test_compare.py b/Lib/test/test_compare.py
index a663832..471c8da 100644
--- a/Lib/test/test_compare.py
+++ b/Lib/test/test_compare.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 
 class Empty:
     def __repr__(self):
@@ -121,8 +120,5 @@ class ComparisonTest(unittest.TestCase):
         self.assertEqual(Anything(), y)
 
 
-def test_main():
-    support.run_unittest(ComparisonTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index cff3c9e..41a92ff 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -427,7 +427,7 @@ if 1:
 
     def test_compile_ast(self):
         fname = __file__
-        if fname.lower().endswith(('pyc', 'pyo')):
+        if fname.lower().endswith('pyc'):
             fname = fname[:-1]
         with open(fname, 'r') as f:
             fcontents = f.read()
diff --git a/Lib/test/test_compileall.py b/Lib/test/test_compileall.py
index 2a42238..2053304 100644
--- a/Lib/test/test_compileall.py
+++ b/Lib/test/test_compileall.py
@@ -10,6 +10,13 @@ import time
 import unittest
 import io
 
+from unittest import mock, skipUnless
+try:
+    from concurrent.futures import ProcessPoolExecutor
+    _have_multiprocessing = True
+except ImportError:
+    _have_multiprocessing = False
+
 from test import support, script_helper
 
 class CompileallTests(unittest.TestCase):
@@ -94,18 +101,45 @@ class CompileallTests(unittest.TestCase):
     def test_optimize(self):
         # make sure compiling with different optimization settings than the
         # interpreter's creates the correct file names
-        optimize = 1 if __debug__ else 0
+        optimize, opt = (1, 1) if __debug__ else (0, '')
         compileall.compile_dir(self.directory, quiet=True, optimize=optimize)
         cached = importlib.util.cache_from_source(self.source_path,
-                                                  debug_override=not optimize)
+                                                  optimization=opt)
         self.assertTrue(os.path.isfile(cached))
         cached2 = importlib.util.cache_from_source(self.source_path2,
-                                                   debug_override=not optimize)
+                                                   optimization=opt)
         self.assertTrue(os.path.isfile(cached2))
         cached3 = importlib.util.cache_from_source(self.source_path3,
-                                                   debug_override=not optimize)
+                                                   optimization=opt)
         self.assertTrue(os.path.isfile(cached3))
 
+    @mock.patch('compileall.ProcessPoolExecutor')
+    def test_compile_pool_called(self, pool_mock):
+        compileall.compile_dir(self.directory, quiet=True, workers=5)
+        self.assertTrue(pool_mock.called)
+
+    def test_compile_workers_non_positive(self):
+        with self.assertRaisesRegex(ValueError,
+                                    "workers must be greater or equal to 0"):
+            compileall.compile_dir(self.directory, workers=-1)
+
+    @mock.patch('compileall.ProcessPoolExecutor')
+    def test_compile_workers_cpu_count(self, pool_mock):
+        compileall.compile_dir(self.directory, quiet=True, workers=0)
+        self.assertEqual(pool_mock.call_args[1]['max_workers'], None)
+
+    @mock.patch('compileall.ProcessPoolExecutor')
+    @mock.patch('compileall.compile_file')
+    def test_compile_one_worker(self, compile_file_mock, pool_mock):
+        compileall.compile_dir(self.directory, quiet=True)
+        self.assertFalse(pool_mock.called)
+        self.assertTrue(compile_file_mock.called)
+
+    @mock.patch('compileall.ProcessPoolExecutor', new=None)
+    @mock.patch('compileall.compile_file')
+    def test_compile_missing_multiprocessing(self, compile_file_mock):
+        compileall.compile_dir(self.directory, quiet=True, workers=5)
+        self.assertTrue(compile_file_mock.called)
 
 class EncodingTest(unittest.TestCase):
     """Issue 6716: compileall should escape source code when printing errors
@@ -203,11 +237,11 @@ class CommandLineTests(unittest.TestCase):
         self.assertNotIn(b'Listing ', quiet)
 
     # Ensure that the default behavior of compileall's CLI is to create
-    # PEP 3147 pyc/pyo files.
+    # PEP 3147/PEP 488 pyc files.
     for name, ext, switch in [
         ('normal', 'pyc', []),
-        ('optimize', 'pyo', ['-O']),
-        ('doubleoptimize', 'pyo', ['-OO']),
+        ('optimize', 'opt-1.pyc', ['-O']),
+        ('doubleoptimize', 'opt-2.pyc', ['-OO']),
     ]:
         def f(self, ext=ext, switch=switch):
             script_helper.assert_python_ok(*(switch +
@@ -224,13 +258,12 @@ class CommandLineTests(unittest.TestCase):
 
     def test_legacy_paths(self):
         # Ensure that with the proper switch, compileall leaves legacy
-        # pyc/pyo files, and no __pycache__ directory.
+        # pyc files, and no __pycache__ directory.
         self.assertRunOK('-b', '-q', self.pkgdir)
         # Verify the __pycache__ directory contents.
         self.assertFalse(os.path.exists(self.pkgdir_cachedir))
-        opt = 'c' if __debug__ else 'o'
-        expected = sorted(['__init__.py', '__init__.py' + opt, 'bar.py',
-                           'bar.py' + opt])
+        expected = sorted(['__init__.py', '__init__.pyc', 'bar.py',
+                           'bar.pyc'])
         self.assertEqual(sorted(os.listdir(self.pkgdir)), expected)
 
     def test_multiple_runs(self):
@@ -273,12 +306,53 @@ class CommandLineTests(unittest.TestCase):
         self.assertCompiled(subinitfn)
         self.assertCompiled(hamfn)
 
+    def test_recursion_limit(self):
+        subpackage = os.path.join(self.pkgdir, 'spam')
+        subpackage2 = os.path.join(subpackage, 'ham')
+        subpackage3 = os.path.join(subpackage2, 'eggs')
+        for pkg in (subpackage, subpackage2, subpackage3):
+            script_helper.make_pkg(pkg)
+
+        subinitfn = os.path.join(subpackage, '__init__.py')
+        hamfn = script_helper.make_script(subpackage, 'ham', '')
+        spamfn = script_helper.make_script(subpackage2, 'spam', '')
+        eggfn = script_helper.make_script(subpackage3, 'egg', '')
+
+        self.assertRunOK('-q', '-r 0', self.pkgdir)
+        self.assertNotCompiled(subinitfn)
+        self.assertFalse(
+            os.path.exists(os.path.join(subpackage, '__pycache__')))
+
+        self.assertRunOK('-q', '-r 1', self.pkgdir)
+        self.assertCompiled(subinitfn)
+        self.assertCompiled(hamfn)
+        self.assertNotCompiled(spamfn)
+
+        self.assertRunOK('-q', '-r 2', self.pkgdir)
+        self.assertCompiled(subinitfn)
+        self.assertCompiled(hamfn)
+        self.assertCompiled(spamfn)
+        self.assertNotCompiled(eggfn)
+
+        self.assertRunOK('-q', '-r 5', self.pkgdir)
+        self.assertCompiled(subinitfn)
+        self.assertCompiled(hamfn)
+        self.assertCompiled(spamfn)
+        self.assertCompiled(eggfn)
+
     def test_quiet(self):
         noisy = self.assertRunOK(self.pkgdir)
         quiet = self.assertRunOK('-q', self.pkgdir)
         self.assertNotEqual(b'', noisy)
         self.assertEqual(b'', quiet)
 
+    def test_silent(self):
+        script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
+        _, quiet, _ = self.assertRunNotOK('-q', self.pkgdir)
+        _, silent, _ = self.assertRunNotOK('-qq', self.pkgdir)
+        self.assertNotEqual(b'', quiet)
+        self.assertEqual(b'', silent)
+
     def test_regexp(self):
         self.assertRunOK('-q', '-x', r'ba[^\\/]*$', self.pkgdir)
         self.assertNotCompiled(self.barfn)
@@ -379,6 +453,29 @@ class CommandLineTests(unittest.TestCase):
         out = self.assertRunOK('badfilename')
         self.assertRegex(out, b"Can't list 'badfilename'")
 
+    @skipUnless(_have_multiprocessing, "requires multiprocessing")
+    def test_workers(self):
+        bar2fn = script_helper.make_script(self.directory, 'bar2', '')
+        files = []
+        for suffix in range(5):
+            pkgdir = os.path.join(self.directory, 'foo{}'.format(suffix))
+            os.mkdir(pkgdir)
+            fn = script_helper.make_script(pkgdir, '__init__', '')
+            files.append(script_helper.make_script(pkgdir, 'bar2', ''))
+
+        self.assertRunOK(self.directory, '-j', '0')
+        self.assertCompiled(bar2fn)
+        for file in files:
+            self.assertCompiled(file)
+
+    @mock.patch('compileall.compile_dir')
+    def test_workers_available_cores(self, compile_dir):
+        with mock.patch("sys.argv",
+                        new=[sys.executable, self.directory, "-j0"]):
+            compileall.main()
+            self.assertTrue(compile_dir.called)
+            self.assertEqual(compile_dir.call_args[-1]['workers'], None)
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_concurrent_futures.py b/Lib/test/test_concurrent_futures.py
index c74b2ca..86802c2 100644
--- a/Lib/test/test_concurrent_futures.py
+++ b/Lib/test/test_concurrent_futures.py
@@ -11,6 +11,7 @@ test.support.import_module('threading')
 
 from test.script_helper import assert_python_ok
 
+import os
 import sys
 import threading
 import time
@@ -425,6 +426,13 @@ class ExecutorTest:
         self.assertTrue(collected,
                         "Stale reference not collected within timeout.")
 
+    def test_max_workers_negative(self):
+        for number in (0, -1):
+            with self.assertRaisesRegex(ValueError,
+                                        "max_workers must be greater "
+                                        "than 0"):
+                self.executor_type(max_workers=number)
+
 
 class ThreadPoolExecutorTest(ThreadPoolMixin, ExecutorTest, unittest.TestCase):
     def test_map_submits_without_iteration(self):
@@ -437,6 +445,11 @@ class ThreadPoolExecutorTest(ThreadPoolMixin, ExecutorTest, unittest.TestCase):
         self.executor.shutdown(wait=True)
         self.assertCountEqual(finished, range(10))
 
+    def test_default_workers(self):
+        executor = self.executor_type()
+        self.assertEqual(executor._max_workers,
+                         (os.cpu_count() or 1) * 5)
+
 
 class ProcessPoolExecutorTest(ProcessPoolMixin, ExecutorTest, unittest.TestCase):
     def test_killed_child(self):
@@ -451,6 +464,48 @@ class ProcessPoolExecutorTest(ProcessPoolMixin, ExecutorTest, unittest.TestCase)
         # Submitting other jobs fails as well.
         self.assertRaises(BrokenProcessPool, self.executor.submit, pow, 2, 8)
 
+    def test_map_chunksize(self):
+        def bad_map():
+            list(self.executor.map(pow, range(40), range(40), chunksize=-1))
+
+        ref = list(map(pow, range(40), range(40)))
+        self.assertEqual(
+            list(self.executor.map(pow, range(40), range(40), chunksize=6)),
+            ref)
+        self.assertEqual(
+            list(self.executor.map(pow, range(40), range(40), chunksize=50)),
+            ref)
+        self.assertEqual(
+            list(self.executor.map(pow, range(40), range(40), chunksize=40)),
+            ref)
+        self.assertRaises(ValueError, bad_map)
+
+    @classmethod
+    def _test_traceback(cls):
+        raise RuntimeError(123) # some comment
+
+    def test_traceback(self):
+        # We want ensure that the traceback from the child process is
+        # contained in the traceback raised in the main process.
+        future = self.executor.submit(self._test_traceback)
+        with self.assertRaises(Exception) as cm:
+            future.result()
+
+        exc = cm.exception
+        self.assertIs(type(exc), RuntimeError)
+        self.assertEqual(exc.args, (123,))
+        cause = exc.__cause__
+        self.assertIs(type(cause), futures.process._RemoteTraceback)
+        self.assertIn('raise RuntimeError(123) # some comment', cause.tb)
+
+        with test.support.captured_stderr() as f1:
+            try:
+                raise exc
+            except RuntimeError:
+                sys.excepthook(*sys.exc_info())
+        self.assertIn('raise RuntimeError(123) # some comment',
+                      f1.getvalue())
+
 
 class FutureTests(unittest.TestCase):
     def test_done_callback_with_result(self):
diff --git a/Lib/test/test_configparser.py b/Lib/test/test_configparser.py
index 09c229a..470d2cd 100644
--- a/Lib/test/test_configparser.py
+++ b/Lib/test/test_configparser.py
@@ -579,7 +579,7 @@ boolean {0[0]} NO
             return e
         else:
             self.fail("expected exception type %s.%s"
-                      % (exc.__module__, exc.__name__))
+                      % (exc.__module__, exc.__qualname__))
 
     def test_boolean(self):
         cf = self.fromstring(
@@ -1584,6 +1584,34 @@ class CoverageOneHundredTestCase(unittest.TestCase):
         """)
         self.assertEqual(repr(parser['section']), '<Section: section>')
 
+    def test_inconsistent_converters_state(self):
+        parser = configparser.ConfigParser()
+        import decimal
+        parser.converters['decimal'] = decimal.Decimal
+        parser.read_string("""
+            [s1]
+            one = 1
+            [s2]
+            two = 2
+        """)
+        self.assertIn('decimal', parser.converters)
+        self.assertEqual(parser.getdecimal('s1', 'one'), 1)
+        self.assertEqual(parser.getdecimal('s2', 'two'), 2)
+        self.assertEqual(parser['s1'].getdecimal('one'), 1)
+        self.assertEqual(parser['s2'].getdecimal('two'), 2)
+        del parser.getdecimal
+        with self.assertRaises(AttributeError):
+            parser.getdecimal('s1', 'one')
+        self.assertIn('decimal', parser.converters)
+        del parser.converters['decimal']
+        self.assertNotIn('decimal', parser.converters)
+        with self.assertRaises(AttributeError):
+            parser.getdecimal('s1', 'one')
+        with self.assertRaises(AttributeError):
+            parser['s1'].getdecimal('one')
+        with self.assertRaises(AttributeError):
+            parser['s2'].getdecimal('two')
+
 
 class ExceptionPicklingTestCase(unittest.TestCase):
     """Tests for issue #13760: ConfigParser exceptions are not picklable."""
@@ -1776,5 +1804,252 @@ class InlineCommentStrippingTestCase(unittest.TestCase):
         self.assertEqual(s['k3'], 'v3;#//still v3# and still v3')
 
 
+class ExceptionContextTestCase(unittest.TestCase):
+    """ Test that implementation details doesn't leak
+    through raising exceptions. """
+
+    def test_get_basic_interpolation(self):
+        parser = configparser.ConfigParser()
+        parser.read_string("""
+        [Paths]
+        home_dir: /Users
+        my_dir: %(home_dir1)s/lumberjack
+        my_pictures: %(my_dir)s/Pictures
+        """)
+        cm = self.assertRaises(configparser.InterpolationMissingOptionError)
+        with cm:
+            parser.get('Paths', 'my_dir')
+        self.assertIs(cm.exception.__suppress_context__, True)
+
+    def test_get_extended_interpolation(self):
+        parser = configparser.ConfigParser(
+          interpolation=configparser.ExtendedInterpolation())
+        parser.read_string("""
+        [Paths]
+        home_dir: /Users
+        my_dir: ${home_dir1}/lumberjack
+        my_pictures: ${my_dir}/Pictures
+        """)
+        cm = self.assertRaises(configparser.InterpolationMissingOptionError)
+        with cm:
+            parser.get('Paths', 'my_dir')
+        self.assertIs(cm.exception.__suppress_context__, True)
+
+    def test_missing_options(self):
+        parser = configparser.ConfigParser()
+        parser.read_string("""
+        [Paths]
+        home_dir: /Users
+        """)
+        with self.assertRaises(configparser.NoSectionError) as cm:
+            parser.options('test')
+        self.assertIs(cm.exception.__suppress_context__, True)
+
+    def test_missing_section(self):
+        config = configparser.ConfigParser()
+        with self.assertRaises(configparser.NoSectionError) as cm:
+            config.set('Section1', 'an_int', '15')
+        self.assertIs(cm.exception.__suppress_context__, True)
+
+    def test_remove_option(self):
+        config = configparser.ConfigParser()
+        with self.assertRaises(configparser.NoSectionError) as cm:
+            config.remove_option('Section1', 'an_int')
+        self.assertIs(cm.exception.__suppress_context__, True)
+
+
+class ConvertersTestCase(BasicTestCase, unittest.TestCase):
+    """Introduced in 3.5, issue #18159."""
+
+    config_class = configparser.ConfigParser
+
+    def newconfig(self, defaults=None):
+        instance = super().newconfig(defaults=defaults)
+        instance.converters['list'] = lambda v: [e.strip() for e in v.split()
+                                                 if e.strip()]
+        return instance
+
+    def test_converters(self):
+        cfg = self.newconfig()
+        self.assertIn('boolean', cfg.converters)
+        self.assertIn('list', cfg.converters)
+        self.assertIsNone(cfg.converters['int'])
+        self.assertIsNone(cfg.converters['float'])
+        self.assertIsNone(cfg.converters['boolean'])
+        self.assertIsNotNone(cfg.converters['list'])
+        self.assertEqual(len(cfg.converters), 4)
+        with self.assertRaises(ValueError):
+            cfg.converters[''] = lambda v: v
+        with self.assertRaises(ValueError):
+            cfg.converters[None] = lambda v: v
+        cfg.read_string("""
+        [s]
+        str = string
+        int = 1
+        float = 0.5
+        list = a b c d e f g
+        bool = yes
+        """)
+        s = cfg['s']
+        self.assertEqual(s['str'], 'string')
+        self.assertEqual(s['int'], '1')
+        self.assertEqual(s['float'], '0.5')
+        self.assertEqual(s['list'], 'a b c d e f g')
+        self.assertEqual(s['bool'], 'yes')
+        self.assertEqual(cfg.get('s', 'str'), 'string')
+        self.assertEqual(cfg.get('s', 'int'), '1')
+        self.assertEqual(cfg.get('s', 'float'), '0.5')
+        self.assertEqual(cfg.get('s', 'list'), 'a b c d e f g')
+        self.assertEqual(cfg.get('s', 'bool'), 'yes')
+        self.assertEqual(cfg.get('s', 'str'), 'string')
+        self.assertEqual(cfg.getint('s', 'int'), 1)
+        self.assertEqual(cfg.getfloat('s', 'float'), 0.5)
+        self.assertEqual(cfg.getlist('s', 'list'), ['a', 'b', 'c', 'd',
+                                                    'e', 'f', 'g'])
+        self.assertEqual(cfg.getboolean('s', 'bool'), True)
+        self.assertEqual(s.get('str'), 'string')
+        self.assertEqual(s.getint('int'), 1)
+        self.assertEqual(s.getfloat('float'), 0.5)
+        self.assertEqual(s.getlist('list'), ['a', 'b', 'c', 'd',
+                                             'e', 'f', 'g'])
+        self.assertEqual(s.getboolean('bool'), True)
+        with self.assertRaises(AttributeError):
+            cfg.getdecimal('s', 'float')
+        with self.assertRaises(AttributeError):
+            s.getdecimal('float')
+        import decimal
+        cfg.converters['decimal'] = decimal.Decimal
+        self.assertIn('decimal', cfg.converters)
+        self.assertIsNotNone(cfg.converters['decimal'])
+        self.assertEqual(len(cfg.converters), 5)
+        dec0_5 = decimal.Decimal('0.5')
+        self.assertEqual(cfg.getdecimal('s', 'float'), dec0_5)
+        self.assertEqual(s.getdecimal('float'), dec0_5)
+        del cfg.converters['decimal']
+        self.assertNotIn('decimal', cfg.converters)
+        self.assertEqual(len(cfg.converters), 4)
+        with self.assertRaises(AttributeError):
+            cfg.getdecimal('s', 'float')
+        with self.assertRaises(AttributeError):
+            s.getdecimal('float')
+        with self.assertRaises(KeyError):
+            del cfg.converters['decimal']
+        with self.assertRaises(KeyError):
+            del cfg.converters['']
+        with self.assertRaises(KeyError):
+            del cfg.converters[None]
+
+
+class BlatantOverrideConvertersTestCase(unittest.TestCase):
+    """What if somebody overrode a getboolean()? We want to make sure that in
+    this case the automatic converters do not kick in."""
+
+    config = """
+        [one]
+        one = false
+        two = false
+        three = long story short
+
+        [two]
+        one = false
+        two = false
+        three = four
+    """
+
+    def test_converters_at_init(self):
+        cfg = configparser.ConfigParser(converters={'len': len})
+        cfg.read_string(self.config)
+        self._test_len(cfg)
+        self.assertIsNotNone(cfg.converters['len'])
+
+    def test_inheritance(self):
+        class StrangeConfigParser(configparser.ConfigParser):
+            gettysburg = 'a historic borough in south central Pennsylvania'
+
+            def getboolean(self, section, option, *, raw=False, vars=None,
+                        fallback=configparser._UNSET):
+                if section == option:
+                    return True
+                return super().getboolean(section, option, raw=raw, vars=vars,
+                                          fallback=fallback)
+            def getlen(self, section, option, *, raw=False, vars=None,
+                       fallback=configparser._UNSET):
+                return self._get_conv(section, option, len, raw=raw, vars=vars,
+                                      fallback=fallback)
+
+        cfg = StrangeConfigParser()
+        cfg.read_string(self.config)
+        self._test_len(cfg)
+        self.assertIsNone(cfg.converters['len'])
+        self.assertTrue(cfg.getboolean('one', 'one'))
+        self.assertTrue(cfg.getboolean('two', 'two'))
+        self.assertFalse(cfg.getboolean('one', 'two'))
+        self.assertFalse(cfg.getboolean('two', 'one'))
+        cfg.converters['boolean'] = cfg._convert_to_boolean
+        self.assertFalse(cfg.getboolean('one', 'one'))
+        self.assertFalse(cfg.getboolean('two', 'two'))
+        self.assertFalse(cfg.getboolean('one', 'two'))
+        self.assertFalse(cfg.getboolean('two', 'one'))
+
+    def _test_len(self, cfg):
+        self.assertEqual(len(cfg.converters), 4)
+        self.assertIn('boolean', cfg.converters)
+        self.assertIn('len', cfg.converters)
+        self.assertNotIn('tysburg', cfg.converters)
+        self.assertIsNone(cfg.converters['int'])
+        self.assertIsNone(cfg.converters['float'])
+        self.assertIsNone(cfg.converters['boolean'])
+        self.assertEqual(cfg.getlen('one', 'one'), 5)
+        self.assertEqual(cfg.getlen('one', 'two'), 5)
+        self.assertEqual(cfg.getlen('one', 'three'), 16)
+        self.assertEqual(cfg.getlen('two', 'one'), 5)
+        self.assertEqual(cfg.getlen('two', 'two'), 5)
+        self.assertEqual(cfg.getlen('two', 'three'), 4)
+        self.assertEqual(cfg.getlen('two', 'four', fallback=0), 0)
+        with self.assertRaises(configparser.NoOptionError):
+            cfg.getlen('two', 'four')
+        self.assertEqual(cfg['one'].getlen('one'), 5)
+        self.assertEqual(cfg['one'].getlen('two'), 5)
+        self.assertEqual(cfg['one'].getlen('three'), 16)
+        self.assertEqual(cfg['two'].getlen('one'), 5)
+        self.assertEqual(cfg['two'].getlen('two'), 5)
+        self.assertEqual(cfg['two'].getlen('three'), 4)
+        self.assertEqual(cfg['two'].getlen('four', 0), 0)
+        self.assertEqual(cfg['two'].getlen('four'), None)
+
+    def test_instance_assignment(self):
+        cfg = configparser.ConfigParser()
+        cfg.getboolean = lambda section, option: True
+        cfg.getlen = lambda section, option: len(cfg[section][option])
+        cfg.read_string(self.config)
+        self.assertEqual(len(cfg.converters), 3)
+        self.assertIn('boolean', cfg.converters)
+        self.assertNotIn('len', cfg.converters)
+        self.assertIsNone(cfg.converters['int'])
+        self.assertIsNone(cfg.converters['float'])
+        self.assertIsNone(cfg.converters['boolean'])
+        self.assertTrue(cfg.getboolean('one', 'one'))
+        self.assertTrue(cfg.getboolean('two', 'two'))
+        self.assertTrue(cfg.getboolean('one', 'two'))
+        self.assertTrue(cfg.getboolean('two', 'one'))
+        cfg.converters['boolean'] = cfg._convert_to_boolean
+        self.assertFalse(cfg.getboolean('one', 'one'))
+        self.assertFalse(cfg.getboolean('two', 'two'))
+        self.assertFalse(cfg.getboolean('one', 'two'))
+        self.assertFalse(cfg.getboolean('two', 'one'))
+        self.assertEqual(cfg.getlen('one', 'one'), 5)
+        self.assertEqual(cfg.getlen('one', 'two'), 5)
+        self.assertEqual(cfg.getlen('one', 'three'), 16)
+        self.assertEqual(cfg.getlen('two', 'one'), 5)
+        self.assertEqual(cfg.getlen('two', 'two'), 5)
+        self.assertEqual(cfg.getlen('two', 'three'), 4)
+        # If a getter impl is assigned straight to the instance, it won't
+        # be available on the section proxies.
+        with self.assertRaises(AttributeError):
+            self.assertEqual(cfg['one'].getlen('one'), 5)
+        with self.assertRaises(AttributeError):
+            self.assertEqual(cfg['two'].getlen('one'), 5)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/Lib/test/test_contains.py b/Lib/test/test_contains.py
index a667a16..3c6bdef 100644
--- a/Lib/test/test_contains.py
+++ b/Lib/test/test_contains.py
@@ -1,5 +1,4 @@
 from collections import deque
-from test.support import run_unittest
 import unittest
 
 
@@ -86,8 +85,5 @@ class TestContains(unittest.TestCase):
             self.assertTrue(container == container)
 
 
-def test_main():
-    run_unittest(TestContains)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
index 39cc776..c52066b 100644
--- a/Lib/test/test_contextlib.py
+++ b/Lib/test/test_contextlib.py
@@ -718,60 +718,76 @@ class TestExitStack(unittest.TestCase):
         stack.push(cm)
         self.assertIs(stack._exit_callbacks[-1], cm)
 
-class TestRedirectStdout(unittest.TestCase):
+
+class TestRedirectStream:
+
+    redirect_stream = None
+    orig_stream = None
 
     @support.requires_docstrings
     def test_instance_docs(self):
         # Issue 19330: ensure context manager instances have good docstrings
-        cm_docstring = redirect_stdout.__doc__
-        obj = redirect_stdout(None)
+        cm_docstring = self.redirect_stream.__doc__
+        obj = self.redirect_stream(None)
         self.assertEqual(obj.__doc__, cm_docstring)
 
     def test_no_redirect_in_init(self):
-        orig_stdout = sys.stdout
-        redirect_stdout(None)
-        self.assertIs(sys.stdout, orig_stdout)
+        orig_stdout = getattr(sys, self.orig_stream)
+        self.redirect_stream(None)
+        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
 
     def test_redirect_to_string_io(self):
         f = io.StringIO()
         msg = "Consider an API like help(), which prints directly to stdout"
-        orig_stdout = sys.stdout
-        with redirect_stdout(f):
-            print(msg)
-        self.assertIs(sys.stdout, orig_stdout)
+        orig_stdout = getattr(sys, self.orig_stream)
+        with self.redirect_stream(f):
+            print(msg, file=getattr(sys, self.orig_stream))
+        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
         s = f.getvalue().strip()
         self.assertEqual(s, msg)
 
     def test_enter_result_is_target(self):
         f = io.StringIO()
-        with redirect_stdout(f) as enter_result:
+        with self.redirect_stream(f) as enter_result:
             self.assertIs(enter_result, f)
 
     def test_cm_is_reusable(self):
         f = io.StringIO()
-        write_to_f = redirect_stdout(f)
-        orig_stdout = sys.stdout
+        write_to_f = self.redirect_stream(f)
+        orig_stdout = getattr(sys, self.orig_stream)
         with write_to_f:
-            print("Hello", end=" ")
+            print("Hello", end=" ", file=getattr(sys, self.orig_stream))
         with write_to_f:
-            print("World!")
-        self.assertIs(sys.stdout, orig_stdout)
+            print("World!", file=getattr(sys, self.orig_stream))
+        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
         s = f.getvalue()
         self.assertEqual(s, "Hello World!\n")
 
     def test_cm_is_reentrant(self):
         f = io.StringIO()
-        write_to_f = redirect_stdout(f)
-        orig_stdout = sys.stdout
+        write_to_f = self.redirect_stream(f)
+        orig_stdout = getattr(sys, self.orig_stream)
         with write_to_f:
-            print("Hello", end=" ")
+            print("Hello", end=" ", file=getattr(sys, self.orig_stream))
             with write_to_f:
-                print("World!")
-        self.assertIs(sys.stdout, orig_stdout)
+                print("World!", file=getattr(sys, self.orig_stream))
+        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
         s = f.getvalue()
         self.assertEqual(s, "Hello World!\n")
 
 
+class TestRedirectStdout(TestRedirectStream, unittest.TestCase):
+
+    redirect_stream = redirect_stdout
+    orig_stream = "stdout"
+
+
+class TestRedirectStderr(TestRedirectStream, unittest.TestCase):
+
+    redirect_stream = redirect_stderr
+    orig_stream = "stderr"
+
+
 class TestSuppress(unittest.TestCase):
 
     @support.requires_docstrings
diff --git a/Lib/test/test_copy.py b/Lib/test/test_copy.py
index eb8d18c..4c19746 100644
--- a/Lib/test/test_copy.py
+++ b/Lib/test/test_copy.py
@@ -7,7 +7,6 @@ import abc
 from operator import le, lt, ge, gt, eq, ne
 
 import unittest
-from test import support
 
 order_comparisons = le, lt, ge, gt
 equality_comparisons = eq, ne
@@ -146,6 +145,40 @@ class TestCopy(unittest.TestCase):
         x = C(42)
         self.assertEqual(copy.copy(x), x)
 
+    def test_copy_inst_getnewargs(self):
+        class C(int):
+            def __new__(cls, foo):
+                self = int.__new__(cls)
+                self.foo = foo
+                return self
+            def __getnewargs__(self):
+                return self.foo,
+            def __eq__(self, other):
+                return self.foo == other.foo
+        x = C(42)
+        y = copy.copy(x)
+        self.assertIsInstance(y, C)
+        self.assertEqual(y, x)
+        self.assertIsNot(y, x)
+        self.assertEqual(y.foo, x.foo)
+
+    def test_copy_inst_getnewargs_ex(self):
+        class C(int):
+            def __new__(cls, *, foo):
+                self = int.__new__(cls)
+                self.foo = foo
+                return self
+            def __getnewargs_ex__(self):
+                return (), {'foo': self.foo}
+            def __eq__(self, other):
+                return self.foo == other.foo
+        x = C(foo=42)
+        y = copy.copy(x)
+        self.assertIsInstance(y, C)
+        self.assertEqual(y, x)
+        self.assertIsNot(y, x)
+        self.assertEqual(y.foo, x.foo)
+
     def test_copy_inst_getstate(self):
         class C:
             def __init__(self, foo):
@@ -405,6 +438,42 @@ class TestCopy(unittest.TestCase):
         self.assertIsNot(y, x)
         self.assertIsNot(y.foo, x.foo)
 
+    def test_deepcopy_inst_getnewargs(self):
+        class C(int):
+            def __new__(cls, foo):
+                self = int.__new__(cls)
+                self.foo = foo
+                return self
+            def __getnewargs__(self):
+                return self.foo,
+            def __eq__(self, other):
+                return self.foo == other.foo
+        x = C([42])
+        y = copy.deepcopy(x)
+        self.assertIsInstance(y, C)
+        self.assertEqual(y, x)
+        self.assertIsNot(y, x)
+        self.assertEqual(y.foo, x.foo)
+        self.assertIsNot(y.foo, x.foo)
+
+    def test_deepcopy_inst_getnewargs_ex(self):
+        class C(int):
+            def __new__(cls, *, foo):
+                self = int.__new__(cls)
+                self.foo = foo
+                return self
+            def __getnewargs_ex__(self):
+                return (), {'foo': self.foo}
+            def __eq__(self, other):
+                return self.foo == other.foo
+        x = C(foo=[42])
+        y = copy.deepcopy(x)
+        self.assertIsInstance(y, C)
+        self.assertEqual(y, x)
+        self.assertIsNot(y, x)
+        self.assertEqual(y.foo, x.foo)
+        self.assertIsNot(y.foo, x.foo)
+
     def test_deepcopy_inst_getstate(self):
         class C:
             def __init__(self, foo):
@@ -752,8 +821,5 @@ class TestCopy(unittest.TestCase):
 
 def global_foo(x, y): return x+y
 
-def test_main():
-    support.run_unittest(TestCopy)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_copyreg.py b/Lib/test/test_copyreg.py
index abe0748..52e887c 100644
--- a/Lib/test/test_copyreg.py
+++ b/Lib/test/test_copyreg.py
@@ -1,7 +1,6 @@
 import copyreg
 import unittest
 
-from test import support
 from test.pickletester import ExtensionSaver
 
 class C:
@@ -113,9 +112,5 @@ class CopyRegTestCase(unittest.TestCase):
         self.assertEqual(result, expected)
 
 
-def test_main():
-    support.run_unittest(CopyRegTestCase)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_cprofile.py b/Lib/test/test_cprofile.py
index ce5d27e..f18983f 100644
--- a/Lib/test/test_cprofile.py
+++ b/Lib/test/test_cprofile.py
@@ -11,7 +11,7 @@ from test.profilee import testfunc
 class CProfileTest(ProfileTest):
     profilerclass = cProfile.Profile
     profilermodule = cProfile
-    expected_max_output = "{built-in method max}"
+    expected_max_output = "{built-in method builtins.max}"
 
     def get_expected_output(self):
         return _ProfileOutput
@@ -72,9 +72,9 @@ profilee.py:84(helper2_indirect)                  <-       2    0.000    0.140
 profilee.py:88(helper2)                           <-       6    0.234    0.300  profilee.py:55(helper)
                                                            2    0.078    0.100  profilee.py:84(helper2_indirect)
 profilee.py:98(subhelper)                         <-       8    0.064    0.080  profilee.py:88(helper2)
-{built-in method exc_info}                        <-       4    0.000    0.000  profilee.py:73(helper1)
-{built-in method hasattr}                         <-       4    0.000    0.004  profilee.py:73(helper1)
+{built-in method builtins.hasattr}                <-       4    0.000    0.004  profilee.py:73(helper1)
                                                            8    0.000    0.008  profilee.py:88(helper2)
+{built-in method sys.exc_info}                    <-       4    0.000    0.000  profilee.py:73(helper1)
 {method 'append' of 'list' objects}               <-       4    0.000    0.000  profilee.py:73(helper1)"""
 _ProfileOutput['print_callees'] = """\
 <string>:1(<module>)                              ->       1    0.270    1.000  profilee.py:25(testfunc)
@@ -87,12 +87,12 @@ profilee.py:48(mul)                               ->
 profilee.py:55(helper)                            ->       4    0.116    0.120  profilee.py:73(helper1)
                                                            2    0.000    0.140  profilee.py:84(helper2_indirect)
                                                            6    0.234    0.300  profilee.py:88(helper2)
-profilee.py:73(helper1)                           ->       4    0.000    0.000  {built-in method exc_info}
+profilee.py:73(helper1)                           ->       4    0.000    0.004  {built-in method builtins.hasattr}
 profilee.py:84(helper2_indirect)                  ->       2    0.006    0.040  profilee.py:35(factorial)
                                                            2    0.078    0.100  profilee.py:88(helper2)
 profilee.py:88(helper2)                           ->       8    0.064    0.080  profilee.py:98(subhelper)
 profilee.py:98(subhelper)                         ->      16    0.016    0.016  profilee.py:110(__getattr__)
-{built-in method hasattr}                         ->      12    0.012    0.012  profilee.py:110(__getattr__)"""
+{built-in method builtins.hasattr}                ->      12    0.012    0.012  profilee.py:110(__getattr__)"""
 
 if __name__ == "__main__":
     main()
diff --git a/Lib/test/test_crashers.py b/Lib/test/test_crashers.py
index 336ccbe..c630c80 100644
--- a/Lib/test/test_crashers.py
+++ b/Lib/test/test_crashers.py
@@ -30,9 +30,8 @@ class CrasherTest(unittest.TestCase):
             assert_python_failure(fname)
 
 
-def test_main():
-    test.support.run_unittest(CrasherTest)
+def tearDownModule():
     test.support.reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index 65449ae..8e9c2b4 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -186,6 +186,14 @@ class Test_Csv(unittest.TestCase):
         self._write_test(['a',1,'p,q'], 'a,1,p\\,q',
                          escapechar='\\', quoting = csv.QUOTE_NONE)
 
+    def test_write_iterable(self):
+        self._write_test(iter(['a', 1, 'p,q']), 'a,1,"p,q"')
+        self._write_test(iter(['a', 1, None]), 'a,1,')
+        self._write_test(iter([]), '')
+        self._write_test(iter([None]), '""')
+        self._write_error_test(csv.Error, iter([None]), quoting=csv.QUOTE_NONE)
+        self._write_test(iter([None, None]), ',')
+
     def test_writerows(self):
         class BrokenFile:
             def write(self, buf):
@@ -578,6 +586,16 @@ class TestDictFields(unittest.TestCase):
             fileobj.readline() # header
             self.assertEqual(fileobj.read(), "10,,abc\r\n")
 
+    def test_write_multiple_dict_rows(self):
+        fileobj = StringIO()
+        writer = csv.DictWriter(fileobj, fieldnames=["f1", "f2", "f3"])
+        writer.writeheader()
+        self.assertEqual(fileobj.getvalue(), "f1,f2,f3\r\n")
+        writer.writerows([{"f1": 1, "f2": "abc", "f3": "f"},
+                          {"f1": 2, "f2": 5, "f3": "xyz"}])
+        self.assertEqual(fileobj.getvalue(),
+                         "f1,f2,f3\r\n1,abc,f\r\n2,5,xyz\r\n")
+
     def test_write_no_fields(self):
         fileobj = StringIO()
         self.assertRaises(TypeError, csv.DictWriter, fileobj)
@@ -776,7 +794,7 @@ class TestDialectValidity(unittest.TestCase):
         with self.assertRaises(csv.Error) as cm:
             mydialect()
         self.assertEqual(str(cm.exception),
-                         '"quotechar" must be an 1-character string')
+                         '"quotechar" must be a 1-character string')
 
         mydialect.quotechar = 4
         with self.assertRaises(csv.Error) as cm:
@@ -799,13 +817,13 @@ class TestDialectValidity(unittest.TestCase):
         with self.assertRaises(csv.Error) as cm:
             mydialect()
         self.assertEqual(str(cm.exception),
-                         '"delimiter" must be an 1-character string')
+                         '"delimiter" must be a 1-character string')
 
         mydialect.delimiter = ""
         with self.assertRaises(csv.Error) as cm:
             mydialect()
         self.assertEqual(str(cm.exception),
-                         '"delimiter" must be an 1-character string')
+                         '"delimiter" must be a 1-character string')
 
         mydialect.delimiter = b","
         with self.assertRaises(csv.Error) as cm:
@@ -1066,11 +1084,5 @@ class TestUnicode(unittest.TestCase):
             self.assertEqual(fileobj.read(), expected)
 
 
-def test_main():
-    mod = sys.modules[__name__]
-    support.run_unittest(
-        *[getattr(mod, name) for name in dir(mod) if name.startswith('Test')]
-    )
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_curses.py b/Lib/test/test_curses.py
index bd7d4fc..2747041 100644
--- a/Lib/test/test_curses.py
+++ b/Lib/test/test_curses.py
@@ -370,6 +370,13 @@ class TestCurses(unittest.TestCase):
         offset = human_readable_signature.find("[y, x,]")
         assert offset >= 0, ""
 
+    def test_update_lines_cols(self):
+        # this doesn't actually test that LINES and COLS are updated,
+        # because we can't automate changing them. See Issue #4254 for
+        # a manual test script. We can only test that the function
+        # can be called.
+        curses.update_lines_cols()
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/Lib/test/test_datetime.py b/Lib/test/test_datetime.py
index d9ddb32..2d4eb52 100644
--- a/Lib/test/test_datetime.py
+++ b/Lib/test/test_datetime.py
@@ -1,20 +1,20 @@
 import unittest
 import sys
+
 from test.support import import_fresh_module, run_unittest
 
 TESTS = 'test.datetimetester'
 
-# XXX: import_fresh_module() is supposed to leave sys.module cache untouched,
-# XXX: but it does not, so we have to save and restore it ourselves.
-save_sys_modules = sys.modules.copy()
 try:
     pure_tests = import_fresh_module(TESTS, fresh=['datetime', '_strptime'],
                                      blocked=['_datetime'])
     fast_tests = import_fresh_module(TESTS, fresh=['datetime',
                                                    '_datetime', '_strptime'])
 finally:
-    sys.modules.clear()
-    sys.modules.update(save_sys_modules)
+    # XXX: import_fresh_module() is supposed to leave sys.module cache untouched,
+    # XXX: but it does not, so we have to cleanup ourselves.
+    for modname in ['datetime', '_datetime', '_strptime']:
+        sys.modules.pop(modname, None)
 test_modules = [pure_tests, fast_tests]
 test_suffixes = ["_Pure", "_Fast"]
 # XXX(gb) First run all the _Pure tests, then all the _Fast tests.  You might
diff --git a/Lib/test/test_dbm_dumb.py b/Lib/test/test_dbm_dumb.py
index dc88ca6..ff63c88 100644
--- a/Lib/test/test_dbm_dumb.py
+++ b/Lib/test/test_dbm_dumb.py
@@ -217,6 +217,14 @@ class DumbDBMTestCase(unittest.TestCase):
             self.assertEqual(str(cm.exception),
                              "DBM object has already been closed")
 
+    def test_create_new(self):
+        with dumbdbm.open(_fname, 'n') as f:
+            for k in self._dict:
+                f[k] = self._dict[k]
+
+        with dumbdbm.open(_fname, 'n') as f:
+            self.assertEqual(f.keys(), [])
+
     def test_eval(self):
         with open(_fname + '.dir', 'w') as stream:
             stream.write("str(print('Hacked!')), 0\n")
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index a178f6f..137aaa5 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -33,12 +33,13 @@ import unittest
 import numbers
 import locale
 from test.support import (run_unittest, run_doctest, is_resource_enabled,
-                          requires_IEEE_754)
+                          requires_IEEE_754, requires_docstrings)
 from test.support import (check_warnings, import_fresh_module, TestFailed,
                           run_with_locale, cpython_only)
 import random
 import time
 import warnings
+import inspect
 try:
     import threading
 except ImportError:
@@ -4174,9 +4175,7 @@ class CheckAttributes(unittest.TestCase):
         self.assertEqual(C.__version__, P.__version__)
         self.assertEqual(C.__libmpdec_version__, P.__libmpdec_version__)
 
-        x = dir(C)
-        y = [s for s in dir(P) if '__' in s or not s.startswith('_')]
-        self.assertEqual(set(x) - set(y), set())
+        self.assertEqual(dir(C), dir(P))
 
     def test_context_attributes(self):
 
@@ -4455,18 +4454,6 @@ class PyCoverage(Coverage):
 class PyFunctionality(unittest.TestCase):
     """Extra functionality in decimal.py"""
 
-    def test_py_quantize_watchexp(self):
-        # watchexp functionality
-        Decimal = P.Decimal
-        localcontext = P.localcontext
-
-        with localcontext() as c:
-            c.prec = 1
-            c.Emax = 1
-            c.Emin = -1
-            x = Decimal(99999).quantize(Decimal("1e3"), watchexp=False)
-            self.assertEqual(x, Decimal('1.00E+5'))
-
     def test_py_alternate_formatting(self):
         # triples giving a format, a Decimal, and the expected result
         Decimal = P.Decimal
@@ -5409,6 +5396,143 @@ class CWhitebox(unittest.TestCase):
             y = Decimal(10**(9*25)).__sizeof__()
             self.assertEqual(y, x+4)
 
+@requires_docstrings
+@unittest.skipUnless(C, "test requires C version")
+class SignatureTest(unittest.TestCase):
+    """Function signatures"""
+
+    def test_inspect_module(self):
+        for attr in dir(P):
+            if attr.startswith('_'):
+                continue
+            p_func = getattr(P, attr)
+            c_func = getattr(C, attr)
+            if (attr == 'Decimal' or attr == 'Context' or
+                inspect.isfunction(p_func)):
+                p_sig = inspect.signature(p_func)
+                c_sig = inspect.signature(c_func)
+
+                # parameter names:
+                c_names = list(c_sig.parameters.keys())
+                p_names = [x for x in p_sig.parameters.keys() if not
+                           x.startswith('_')]
+
+                self.assertEqual(c_names, p_names,
+                                 msg="parameter name mismatch in %s" % p_func)
+
+                c_kind = [x.kind for x in c_sig.parameters.values()]
+                p_kind = [x[1].kind for x in p_sig.parameters.items() if not
+                          x[0].startswith('_')]
+
+                # parameters:
+                if attr != 'setcontext':
+                    self.assertEqual(c_kind, p_kind,
+                                     msg="parameter kind mismatch in %s" % p_func)
+
+    def test_inspect_types(self):
+
+        POS = inspect._ParameterKind.POSITIONAL_ONLY
+        POS_KWD = inspect._ParameterKind.POSITIONAL_OR_KEYWORD
+
+        # Type heuristic (type annotations would help!):
+        pdict = {C: {'other': C.Decimal(1),
+                     'third': C.Decimal(1),
+                     'x': C.Decimal(1),
+                     'y': C.Decimal(1),
+                     'z': C.Decimal(1),
+                     'a': C.Decimal(1),
+                     'b': C.Decimal(1),
+                     'c': C.Decimal(1),
+                     'exp': C.Decimal(1),
+                     'modulo': C.Decimal(1),
+                     'num': "1",
+                     'f': 1.0,
+                     'rounding': C.ROUND_HALF_UP,
+                     'context': C.getcontext()},
+                 P: {'other': P.Decimal(1),
+                     'third': P.Decimal(1),
+                     'a': P.Decimal(1),
+                     'b': P.Decimal(1),
+                     'c': P.Decimal(1),
+                     'exp': P.Decimal(1),
+                     'modulo': P.Decimal(1),
+                     'num': "1",
+                     'f': 1.0,
+                     'rounding': P.ROUND_HALF_UP,
+                     'context': P.getcontext()}}
+
+        def mkargs(module, sig):
+            args = []
+            kwargs = {}
+            for name, param in sig.parameters.items():
+                if name == 'self': continue
+                if param.kind == POS:
+                    args.append(pdict[module][name])
+                elif param.kind == POS_KWD:
+                    kwargs[name] = pdict[module][name]
+                else:
+                    raise TestFailed("unexpected parameter kind")
+            return args, kwargs
+
+        def tr(s):
+            """The C Context docstrings use 'x' in order to prevent confusion
+               with the article 'a' in the descriptions."""
+            if s == 'x': return 'a'
+            if s == 'y': return 'b'
+            if s == 'z': return 'c'
+            return s
+
+        def doit(ty):
+            p_type = getattr(P, ty)
+            c_type = getattr(C, ty)
+            for attr in dir(p_type):
+                if attr.startswith('_'):
+                    continue
+                p_func = getattr(p_type, attr)
+                c_func = getattr(c_type, attr)
+                if inspect.isfunction(p_func):
+                    p_sig = inspect.signature(p_func)
+                    c_sig = inspect.signature(c_func)
+
+                    # parameter names:
+                    p_names = list(p_sig.parameters.keys())
+                    c_names = [tr(x) for x in c_sig.parameters.keys()]
+
+                    self.assertEqual(c_names, p_names,
+                                     msg="parameter name mismatch in %s" % p_func)
+
+                    p_kind = [x.kind for x in p_sig.parameters.values()]
+                    c_kind = [x.kind for x in c_sig.parameters.values()]
+
+                    # 'self' parameter:
+                    self.assertIs(p_kind[0], POS_KWD)
+                    self.assertIs(c_kind[0], POS)
+
+                    # remaining parameters:
+                    if ty == 'Decimal':
+                        self.assertEqual(c_kind[1:], p_kind[1:],
+                                         msg="parameter kind mismatch in %s" % p_func)
+                    else: # Context methods are positional only in the C version.
+                        self.assertEqual(len(c_kind), len(p_kind),
+                                         msg="parameter kind mismatch in %s" % p_func)
+
+                    # Run the function:
+                    args, kwds = mkargs(C, c_sig)
+                    try:
+                        getattr(c_type(9), attr)(*args, **kwds)
+                    except Exception as err:
+                        raise TestFailed("invalid signature for %s: %s %s" % (c_func, args, kwds))
+
+                    args, kwds = mkargs(P, p_sig)
+                    try:
+                        getattr(p_type(9), attr)(*args, **kwds)
+                    except Exception as err:
+                        raise TestFailed("invalid signature for %s: %s %s" % (p_func, args, kwds))
+
+        doit('Decimal')
+        doit('Context')
+
+
 all_tests = [
   CExplicitConstructionTest, PyExplicitConstructionTest,
   CImplicitConstructionTest, PyImplicitConstructionTest,
@@ -5434,6 +5558,7 @@ if not C:
     all_tests = all_tests[1::2]
 else:
     all_tests.insert(0, CheckAttributes)
+    all_tests.insert(1, SignatureTest)
 
 
 def test_main(arith=None, verbose=None, todo_tests=None, debug=None):
diff --git a/Lib/test/test_decorators.py b/Lib/test/test_decorators.py
index 53c9469..d0a2ec9 100644
--- a/Lib/test/test_decorators.py
+++ b/Lib/test/test_decorators.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 
 def funcattrs(**kwds):
     def decorate(func):
@@ -301,9 +300,5 @@ class TestClassDecorators(unittest.TestCase):
         class C(object): pass
         self.assertEqual(C.extra, 'second')
 
-def test_main():
-    support.run_unittest(TestDecorators)
-    support.run_unittest(TestClassDecorators)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_defaultdict.py b/Lib/test/test_defaultdict.py
index 532d535..a90bc2b 100644
--- a/Lib/test/test_defaultdict.py
+++ b/Lib/test/test_defaultdict.py
@@ -5,7 +5,6 @@ import copy
 import pickle
 import tempfile
 import unittest
-from test import support
 
 from collections import defaultdict
 
@@ -157,8 +156,9 @@ class TestDefaultDict(unittest.TestCase):
             def _factory(self):
                 return []
         d = sub()
-        self.assertTrue(repr(d).startswith(
-            "defaultdict(<bound method sub._factory of defaultdict(..."))
+        self.assertRegex(repr(d),
+            r"defaultdict\(<bound method .*sub\._factory "
+            r"of defaultdict\(\.\.\., \{\}\)>, \{\}\)")
 
         # NOTE: printing a subclass of a builtin type does not call its
         # tp_print slot. So this part is essentially the same test as above.
@@ -183,8 +183,5 @@ class TestDefaultDict(unittest.TestCase):
             o = pickle.loads(s)
             self.assertEqual(d, o)
 
-def test_main():
-    support.run_unittest(TestDefaultDict)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py
index 5ecbc73..b858509 100644
--- a/Lib/test/test_deque.py
+++ b/Lib/test/test_deque.py
@@ -164,6 +164,26 @@ class TestBasic(unittest.TestCase):
                 self.assertEqual(x >  y, list(x) >  list(y), (x,y))
                 self.assertEqual(x >= y, list(x) >= list(y), (x,y))
 
+    def test_contains(self):
+        n = 200
+
+        d = deque(range(n))
+        for i in range(n):
+            self.assertTrue(i in d)
+        self.assertTrue((n+1) not in d)
+
+        # Test detection of mutation during iteration
+        d = deque(range(n))
+        d[n//2] = MutateCmp(d, False)
+        with self.assertRaises(RuntimeError):
+            n in d
+
+        # Test detection of comparison exceptions
+        d = deque(range(n))
+        d[n//2] = BadCmp()
+        with self.assertRaises(RuntimeError):
+            n in d
+
     def test_extend(self):
         d = deque('a')
         self.assertRaises(TypeError, d.extend, 1)
@@ -172,6 +192,26 @@ class TestBasic(unittest.TestCase):
         d.extend(d)
         self.assertEqual(list(d), list('abcdabcd'))
 
+    def test_add(self):
+        d = deque()
+        e = deque('abc')
+        f = deque('def')
+        self.assertEqual(d + d, deque())
+        self.assertEqual(e + f, deque('abcdef'))
+        self.assertEqual(e + e, deque('abcabc'))
+        self.assertEqual(e + d, deque('abc'))
+        self.assertEqual(d + e, deque('abc'))
+        self.assertIsNot(d + d, deque())
+        self.assertIsNot(e + d, deque('abc'))
+        self.assertIsNot(d + e, deque('abc'))
+
+        g = deque('abcdef', maxlen=4)
+        h = deque('gh')
+        self.assertEqual(g + h, deque('efgh'))
+
+        with self.assertRaises(TypeError):
+            deque('abc') + 'def'
+
     def test_iadd(self):
         d = deque('a')
         d += 'bcd'
@@ -211,6 +251,111 @@ class TestBasic(unittest.TestCase):
         self.assertRaises(IndexError, d.__getitem__, 0)
         self.assertRaises(IndexError, d.__getitem__, -1)
 
+    def test_index(self):
+        for n in 1, 2, 30, 40, 200:
+
+            d = deque(range(n))
+            for i in range(n):
+                self.assertEqual(d.index(i), i)
+
+            with self.assertRaises(ValueError):
+                d.index(n+1)
+
+            # Test detection of mutation during iteration
+            d = deque(range(n))
+            d[n//2] = MutateCmp(d, False)
+            with self.assertRaises(RuntimeError):
+                d.index(n)
+
+            # Test detection of comparison exceptions
+            d = deque(range(n))
+            d[n//2] = BadCmp()
+            with self.assertRaises(RuntimeError):
+                d.index(n)
+
+        # Test start and stop arguments behavior matches list.index()
+        elements = 'ABCDEFGHI'
+        nonelement = 'Z'
+        d = deque(elements * 2)
+        s = list(elements * 2)
+        for start in range(-5 - len(s)*2, 5 + len(s) * 2):
+            for stop in range(-5 - len(s)*2, 5 + len(s) * 2):
+                for element in elements + 'Z':
+                    try:
+                        target = s.index(element, start, stop)
+                    except ValueError:
+                        with self.assertRaises(ValueError):
+                            d.index(element, start, stop)
+                    else:
+                        self.assertEqual(d.index(element, start, stop), target)
+
+    def test_insert(self):
+        # Test to make sure insert behaves like lists
+        elements = 'ABCDEFGHI'
+        for i in range(-5 - len(elements)*2, 5 + len(elements) * 2):
+            d = deque('ABCDEFGHI')
+            s = list('ABCDEFGHI')
+            d.insert(i, 'Z')
+            s.insert(i, 'Z')
+            self.assertEqual(list(d), s)
+
+    def test_imul(self):
+        for n in (-10, -1, 0, 1, 2, 10, 1000):
+            d = deque()
+            d *= n
+            self.assertEqual(d, deque())
+            self.assertIsNone(d.maxlen)
+
+        for n in (-10, -1, 0, 1, 2, 10, 1000):
+            d = deque('a')
+            d *= n
+            self.assertEqual(d, deque('a' * n))
+            self.assertIsNone(d.maxlen)
+
+        for n in (-10, -1, 0, 1, 2, 10, 499, 500, 501, 1000):
+            d = deque('a', 500)
+            d *= n
+            self.assertEqual(d, deque('a' * min(n, 500)))
+            self.assertEqual(d.maxlen, 500)
+
+        for n in (-10, -1, 0, 1, 2, 10, 1000):
+            d = deque('abcdef')
+            d *= n
+            self.assertEqual(d, deque('abcdef' * n))
+            self.assertIsNone(d.maxlen)
+
+        for n in (-10, -1, 0, 1, 2, 10, 499, 500, 501, 1000):
+            d = deque('abcdef', 500)
+            d *= n
+            self.assertEqual(d, deque(('abcdef' * n)[-500:]))
+            self.assertEqual(d.maxlen, 500)
+
+    def test_mul(self):
+        d = deque('abc')
+        self.assertEqual(d * -5, deque())
+        self.assertEqual(d * 0, deque())
+        self.assertEqual(d * 1, deque('abc'))
+        self.assertEqual(d * 2, deque('abcabc'))
+        self.assertEqual(d * 3, deque('abcabcabc'))
+        self.assertIsNot(d * 1, d)
+
+        self.assertEqual(deque() * 0, deque())
+        self.assertEqual(deque() * 1, deque())
+        self.assertEqual(deque() * 5, deque())
+
+        self.assertEqual(-5 * d, deque())
+        self.assertEqual(0 * d, deque())
+        self.assertEqual(1 * d, deque('abc'))
+        self.assertEqual(2 * d, deque('abcabc'))
+        self.assertEqual(3 * d, deque('abcabcabc'))
+
+        d = deque('abc', maxlen=5)
+        self.assertEqual(d * -5, deque())
+        self.assertEqual(d * 0, deque())
+        self.assertEqual(d * 1, deque('abc'))
+        self.assertEqual(d * 2, deque('bcabc'))
+        self.assertEqual(d * 30, deque('bcabc'))
+
     def test_setitem(self):
         n = 200
         d = deque(range(n))
@@ -504,10 +649,24 @@ class TestBasic(unittest.TestCase):
         self.assertNotEqual(id(d), id(e))
         self.assertEqual(list(d), list(e))
 
+    def test_copy_method(self):
+        mut = [10]
+        d = deque([mut])
+        e = d.copy()
+        self.assertEqual(list(d), list(e))
+        mut[0] = 11
+        self.assertNotEqual(id(d), id(e))
+        self.assertEqual(list(d), list(e))
+
     def test_reversed(self):
         for s in ('abcd', range(2000)):
             self.assertEqual(list(reversed(deque(s))), list(reversed(s)))
 
+    def test_reversed_new(self):
+        klass = type(reversed(deque()))
+        for s in ('abcd', range(2000)):
+            self.assertEqual(list(klass(deque(s))), list(reversed(s)))
+
     def test_gc_doesnt_blowup(self):
         import gc
         # This used to assert-fail in deque_traverse() under a debug
@@ -537,7 +696,7 @@ class TestBasic(unittest.TestCase):
 
     @support.cpython_only
     def test_sizeof(self):
-        BLOCKLEN = 62
+        BLOCKLEN = 64
         basesize = support.calcobjsize('2P4nlP')
         blocksize = struct.calcsize('2P%dP' % BLOCKLEN)
         self.assertEqual(object.__sizeof__(deque()), basesize)
@@ -684,6 +843,21 @@ class TestSubclassWithKwargs(unittest.TestCase):
         # SF bug #1486663 -- this used to erroneously raise a TypeError
         SubclassWithKwargs(newarg=1)
 
+class TestSequence(seq_tests.CommonTest):
+    type2test = deque
+
+    def test_getitem(self):
+        # For now, bypass tests that require slicing
+        pass
+
+    def test_getslice(self):
+        # For now, bypass tests that require slicing
+        pass
+
+    def test_subscript(self):
+        # For now, bypass tests that require slicing
+        pass
+
 #==============================================================================
 
 libreftest = """
@@ -798,6 +972,7 @@ def test_main(verbose=None):
         TestVariousIteratorArgs,
         TestSubclass,
         TestSubclassWithKwargs,
+        TestSequence,
     )
 
     support.run_unittest(*test_classes)
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 9a60a12..9f3d34d 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -21,6 +21,7 @@ class OperatorsTest(unittest.TestCase):
             'add': '+',
             'sub': '-',
             'mul': '*',
+            'matmul': '@',
             'truediv': '/',
             'floordiv': '//',
             'divmod': 'divmod',
@@ -1019,6 +1020,22 @@ order (MRO) for bases """
         self.assertEqual(x.foo, 1)
         self.assertEqual(x.__dict__, {'foo': 1})
 
+    def test_object_class_assignment_between_heaptypes_and_nonheaptypes(self):
+        class SubType(types.ModuleType):
+            a = 1
+
+        m = types.ModuleType("m")
+        self.assertTrue(m.__class__ is types.ModuleType)
+        self.assertFalse(hasattr(m, "a"))
+
+        m.__class__ = SubType
+        self.assertTrue(m.__class__ is SubType)
+        self.assertTrue(hasattr(m, "a"))
+
+        m.__class__ = types.ModuleType
+        self.assertTrue(m.__class__ is types.ModuleType)
+        self.assertFalse(hasattr(m, "a"))
+
     def test_slots(self):
         # Testing __slots__...
         class C0(object):
@@ -3003,8 +3020,6 @@ order (MRO) for bases """
         cant(object(), list)
         cant(list(), object)
         class Int(int): __slots__ = []
-        cant(2, Int)
-        cant(Int(), int)
         cant(True, int)
         cant(2, bool)
         o = object()
@@ -4153,6 +4168,7 @@ order (MRO) for bases """
                 ('__add__',      'x + y',                   'x += y'),
                 ('__sub__',      'x - y',                   'x -= y'),
                 ('__mul__',      'x * y',                   'x *= y'),
+                ('__matmul__',   'x @ y',                   'x @= y'),
                 ('__truediv__',  'x / y',                   'x /= y'),
                 ('__floordiv__', 'x // y',                  'x //= y'),
                 ('__mod__',      'x % y',                   'x %= y'),
@@ -4414,6 +4430,61 @@ order (MRO) for bases """
         self.assertIn("__dict__", Base.__dict__)
         self.assertNotIn("__dict__", Sub.__dict__)
 
+    def test_bound_method_repr(self):
+        class Foo:
+            def method(self):
+                pass
+        self.assertRegex(repr(Foo().method),
+            r"<bound method .*Foo\.method of <.*Foo object at .*>>")
+
+
+        class Base:
+            def method(self):
+                pass
+        class Derived1(Base):
+            pass
+        class Derived2(Base):
+            def method(self):
+                pass
+        base = Base()
+        derived1 = Derived1()
+        derived2 = Derived2()
+        super_d2 = super(Derived2, derived2)
+        self.assertRegex(repr(base.method),
+            r"<bound method .*Base\.method of <.*Base object at .*>>")
+        self.assertRegex(repr(derived1.method),
+            r"<bound method .*Base\.method of <.*Derived1 object at .*>>")
+        self.assertRegex(repr(derived2.method),
+            r"<bound method .*Derived2\.method of <.*Derived2 object at .*>>")
+        self.assertRegex(repr(super_d2.method),
+            r"<bound method .*Base\.method of <.*Derived2 object at .*>>")
+
+        class Foo:
+            @classmethod
+            def method(cls):
+                pass
+        foo = Foo()
+        self.assertRegex(repr(foo.method), # access via instance
+            r"<bound method .*Foo\.method of <class '.*Foo'>>")
+        self.assertRegex(repr(Foo.method), # access via the class
+            r"<bound method .*Foo\.method of <class '.*Foo'>>")
+
+
+        class MyCallable:
+            def __call__(self, arg):
+                pass
+        func = MyCallable() # func has no __name__ or __qualname__ attributes
+        instance = object()
+        method = types.MethodType(func, instance)
+        self.assertRegex(repr(method),
+            r"<bound method \? of <object object at .*>>")
+        func.__name__ = "name"
+        self.assertRegex(repr(method),
+            r"<bound method name of <object object at .*>>")
+        func.__qualname__ = "qualname"
+        self.assertRegex(repr(method),
+            r"<bound method qualname of <object object at .*>>")
+
 
 class DictProxyTests(unittest.TestCase):
     def setUp(self):
@@ -4528,26 +4599,15 @@ class PicklingTests(unittest.TestCase):
 
     def _check_reduce(self, proto, obj, args=(), kwargs={}, state=None,
                       listitems=None, dictitems=None):
-        if proto >= 4:
+        if proto >= 2:
             reduce_value = obj.__reduce_ex__(proto)
-            self.assertEqual(reduce_value[:3],
-                             (copyreg.__newobj_ex__,
-                              (type(obj), args, kwargs),
-                              state))
-            if listitems is not None:
-                self.assertListEqual(list(reduce_value[3]), listitems)
+            if kwargs:
+                self.assertEqual(reduce_value[0], copyreg.__newobj_ex__)
+                self.assertEqual(reduce_value[1], (type(obj), args, kwargs))
             else:
-                self.assertIsNone(reduce_value[3])
-            if dictitems is not None:
-                self.assertDictEqual(dict(reduce_value[4]), dictitems)
-            else:
-                self.assertIsNone(reduce_value[4])
-        elif proto >= 2:
-            reduce_value = obj.__reduce_ex__(proto)
-            self.assertEqual(reduce_value[:3],
-                             (copyreg.__newobj__,
-                              (type(obj),) + args,
-                              state))
+                self.assertEqual(reduce_value[0], copyreg.__newobj__)
+                self.assertEqual(reduce_value[1], (type(obj),) + args)
+            self.assertEqual(reduce_value[2], state)
             if listitems is not None:
                 self.assertListEqual(list(reduce_value[3]), listitems)
             else:
diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py
index c96d000..9553c66 100644
--- a/Lib/test/test_dict.py
+++ b/Lib/test/test_dict.py
@@ -949,12 +949,5 @@ class Dict(dict):
 class SubclassMappingTests(mapping_tests.BasicTestMappingProtocol):
     type2test = Dict
 
-def test_main():
-    support.run_unittest(
-        DictTest,
-        GeneralMappingTests,
-        SubclassMappingTests,
-    )
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_dictviews.py b/Lib/test/test_dictviews.py
index 7b02ea9..280353a 100644
--- a/Lib/test/test_dictviews.py
+++ b/Lib/test/test_dictviews.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 
 class DictSetTest(unittest.TestCase):
 
@@ -199,8 +198,5 @@ class DictSetTest(unittest.TestCase):
         self.assertRaises(RuntimeError, repr, d)
 
 
-def test_main():
-    support.run_unittest(DictSetTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_difflib.py b/Lib/test/test_difflib.py
index 0ba8f0e..ab9debf 100644
--- a/Lib/test/test_difflib.py
+++ b/Lib/test/test_difflib.py
@@ -107,6 +107,20 @@ patch914575_to1 = """
    5. Flat is better than nested.
 """
 
+patch914575_nonascii_from1 = """
+   1. Beautiful is beTTer than ugly.
+   2. Explicit is better than ımplıcıt.
+   3. Simple is better than complex.
+   4. Complex is better than complicated.
+"""
+
+patch914575_nonascii_to1 = """
+   1. Beautiful is better than ügly.
+   3.   Sımple is better than complex.
+   4. Complicated is better than cömplex.
+   5. Flat is better than nested.
+"""
+
 patch914575_from2 = """
 \t\tLine 1: preceeded by from:[tt] to:[ssss]
   \t\tLine 2: preceeded by from:[sstt] to:[sssst]
@@ -223,6 +237,27 @@ class TestSFpatches(unittest.TestCase):
         new = [(i%2 and "K:%d" or "V:B:%d") % i for i in range(limit*2)]
         difflib.SequenceMatcher(None, old, new).get_opcodes()
 
+    def test_make_file_default_charset(self):
+        html_diff = difflib.HtmlDiff()
+        output = html_diff.make_file(patch914575_from1.splitlines(),
+                                     patch914575_to1.splitlines())
+        self.assertIn('content="text/html; charset=utf-8"', output)
+
+    def test_make_file_iso88591_charset(self):
+        html_diff = difflib.HtmlDiff()
+        output = html_diff.make_file(patch914575_from1.splitlines(),
+                                     patch914575_to1.splitlines(),
+                                     charset='iso-8859-1')
+        self.assertIn('content="text/html; charset=iso-8859-1"', output)
+
+    def test_make_file_usascii_charset_with_nonascii_input(self):
+        html_diff = difflib.HtmlDiff()
+        output = html_diff.make_file(patch914575_nonascii_from1.splitlines(),
+                                     patch914575_nonascii_to1.splitlines(),
+                                     charset='us-ascii')
+        self.assertIn('content="text/html; charset=us-ascii"', output)
+        self.assertIn('&#305;mpl&#305;c&#305;t', output)
+
 
 class TestOutputFormat(unittest.TestCase):
     def test_tab_delimiter(self):
@@ -287,12 +322,157 @@ class TestOutputFormat(unittest.TestCase):
         self.assertEqual(fmt(0,0), '0')
 
 
+class TestBytes(unittest.TestCase):
+    # don't really care about the content of the output, just the fact
+    # that it's bytes and we don't crash
+    def check(self, diff):
+        diff = list(diff)   # trigger exceptions first
+        for line in diff:
+            self.assertIsInstance(
+                line, bytes,
+                "all lines of diff should be bytes, but got: %r" % line)
+
+    def test_byte_content(self):
+        # if we receive byte strings, we return byte strings
+        a = [b'hello', b'andr\xe9']     # iso-8859-1 bytes
+        b = [b'hello', b'andr\xc3\xa9'] # utf-8 bytes
+
+        unified = difflib.unified_diff
+        context = difflib.context_diff
+
+        check = self.check
+        check(difflib.diff_bytes(unified, a, a))
+        check(difflib.diff_bytes(unified, a, b))
+
+        # now with filenames (content and filenames are all bytes!)
+        check(difflib.diff_bytes(unified, a, a, b'a', b'a'))
+        check(difflib.diff_bytes(unified, a, b, b'a', b'b'))
+
+        # and with filenames and dates
+        check(difflib.diff_bytes(unified, a, a, b'a', b'a', b'2005', b'2013'))
+        check(difflib.diff_bytes(unified, a, b, b'a', b'b', b'2005', b'2013'))
+
+        # same all over again, with context diff
+        check(difflib.diff_bytes(context, a, a))
+        check(difflib.diff_bytes(context, a, b))
+        check(difflib.diff_bytes(context, a, a, b'a', b'a'))
+        check(difflib.diff_bytes(context, a, b, b'a', b'b'))
+        check(difflib.diff_bytes(context, a, a, b'a', b'a', b'2005', b'2013'))
+        check(difflib.diff_bytes(context, a, b, b'a', b'b', b'2005', b'2013'))
+
+    def test_byte_filenames(self):
+        # somebody renamed a file from ISO-8859-2 to UTF-8
+        fna = b'\xb3odz.txt'    # "łodz.txt"
+        fnb = b'\xc5\x82odz.txt'
+
+        # they transcoded the content at the same time
+        a = [b'\xa3odz is a city in Poland.']
+        b = [b'\xc5\x81odz is a city in Poland.']
+
+        check = self.check
+        unified = difflib.unified_diff
+        context = difflib.context_diff
+        check(difflib.diff_bytes(unified, a, b, fna, fnb))
+        check(difflib.diff_bytes(context, a, b, fna, fnb))
+
+        def assertDiff(expect, actual):
+            # do not compare expect and equal as lists, because unittest
+            # uses difflib to report difference between lists
+            actual = list(actual)
+            self.assertEqual(len(expect), len(actual))
+            for e, a in zip(expect, actual):
+                self.assertEqual(e, a)
+
+        expect = [
+            b'--- \xb3odz.txt',
+            b'+++ \xc5\x82odz.txt',
+            b'@@ -1 +1 @@',
+            b'-\xa3odz is a city in Poland.',
+            b'+\xc5\x81odz is a city in Poland.',
+        ]
+        actual = difflib.diff_bytes(unified, a, b, fna, fnb, lineterm=b'')
+        assertDiff(expect, actual)
+
+        # with dates (plain ASCII)
+        datea = b'2005-03-18'
+        dateb = b'2005-03-19'
+        check(difflib.diff_bytes(unified, a, b, fna, fnb, datea, dateb))
+        check(difflib.diff_bytes(context, a, b, fna, fnb, datea, dateb))
+
+        expect = [
+            # note the mixed encodings here: this is deeply wrong by every
+            # tenet of Unicode, but it doesn't crash, it's parseable by
+            # patch, and it's how UNIX(tm) diff behaves
+            b'--- \xb3odz.txt\t2005-03-18',
+            b'+++ \xc5\x82odz.txt\t2005-03-19',
+            b'@@ -1 +1 @@',
+            b'-\xa3odz is a city in Poland.',
+            b'+\xc5\x81odz is a city in Poland.',
+        ]
+        actual = difflib.diff_bytes(unified, a, b, fna, fnb, datea, dateb,
+                                    lineterm=b'')
+        assertDiff(expect, actual)
+
+    def test_mixed_types_content(self):
+        # type of input content must be consistent: all str or all bytes
+        a = [b'hello']
+        b = ['hello']
+
+        unified = difflib.unified_diff
+        context = difflib.context_diff
+
+        expect = "lines to compare must be str, not bytes (b'hello')"
+        self._assert_type_error(expect, unified, a, b)
+        self._assert_type_error(expect, unified, b, a)
+        self._assert_type_error(expect, context, a, b)
+        self._assert_type_error(expect, context, b, a)
+
+        expect = "all arguments must be bytes, not str ('hello')"
+        self._assert_type_error(expect, difflib.diff_bytes, unified, a, b)
+        self._assert_type_error(expect, difflib.diff_bytes, unified, b, a)
+        self._assert_type_error(expect, difflib.diff_bytes, context, a, b)
+        self._assert_type_error(expect, difflib.diff_bytes, context, b, a)
+
+    def test_mixed_types_filenames(self):
+        # cannot pass filenames as bytes if content is str (this may not be
+        # the right behaviour, but at least the test demonstrates how
+        # things work)
+        a = ['hello\n']
+        b = ['ohell\n']
+        fna = b'ol\xe9.txt'     # filename transcoded from ISO-8859-1
+        fnb = b'ol\xc3a9.txt'   # to UTF-8
+        self._assert_type_error(
+            "all arguments must be str, not: b'ol\\xe9.txt'",
+            difflib.unified_diff, a, b, fna, fnb)
+
+    def test_mixed_types_dates(self):
+        # type of dates must be consistent with type of contents
+        a = [b'foo\n']
+        b = [b'bar\n']
+        datea = '1 fév'
+        dateb = '3 fév'
+        self._assert_type_error(
+            "all arguments must be bytes, not str ('1 fév')",
+            difflib.diff_bytes, difflib.unified_diff,
+            a, b, b'a', b'b', datea, dateb)
+
+        # if input is str, non-ASCII dates are fine
+        a = ['foo\n']
+        b = ['bar\n']
+        list(difflib.unified_diff(a, b, 'a', 'b', datea, dateb))
+
+    def _assert_type_error(self, msg, generator, *args):
+        with self.assertRaises(TypeError) as ctx:
+            list(generator(*args))
+        self.assertEqual(msg, str(ctx.exception))
+
+
 def test_main():
     difflib.HtmlDiff._default_prefix = 0
     Doctests = doctest.DocTestSuite(difflib)
     run_unittest(
         TestWithAscii, TestAutojunk, TestSFpatches, TestSFbugs,
-        TestOutputFormat, Doctests)
+        TestOutputFormat, TestBytes, Doctests)
 
 if __name__ == '__main__':
     test_main()
diff --git a/Lib/test/test_difflib_expect.html b/Lib/test/test_difflib_expect.html
index 71b6d7a..ea7a24e 100644
--- a/Lib/test/test_difflib_expect.html
+++ b/Lib/test/test_difflib_expect.html
@@ -6,7 +6,7 @@
 
 <head>
     <meta http-equiv="Content-Type"
-          content="text/html; charset=ISO-8859-1" />
+          content="text/html; charset=utf-8" />
     <title></title>
     <style type="text/css">
         table.diff {font-family:Courier; border:medium;}
diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py
index b8daff7..7890b1f 100644
--- a/Lib/test/test_dis.py
+++ b/Lib/test/test_dis.py
@@ -1,6 +1,6 @@
 # Minimal tests for dis module
 
-from test.support import run_unittest, captured_stdout
+from test.support import captured_stdout
 from test.bytecode_helper import BytecodeTestCase
 import difflib
 import unittest
@@ -230,6 +230,9 @@ dis_traceback = """\
        TRACEBACK_CODE.co_firstlineno + 4,
        TRACEBACK_CODE.co_firstlineno + 5)
 
+def _g(x):
+    yield x
+
 class DisTests(unittest.TestCase):
 
     def get_disassembly(self, func, lasti=-1, wrapper=True):
@@ -315,6 +318,11 @@ class DisTests(unittest.TestCase):
         method_bytecode = _C(1).__init__.__code__.co_code
         self.do_disassembly_test(method_bytecode, dis_c_instance_method_bytes)
 
+    def test_disassemble_generator(self):
+        gen_func_disas = self.get_disassembly(_g)  # Disassemble generator function
+        gen_disas = self.get_disassembly(_g(1))  # Disassemble generator itself
+        self.assertEqual(gen_disas, gen_func_disas)
+
     def test_dis_none(self):
         try:
             del sys.last_traceback
@@ -561,10 +569,10 @@ expected_jumpy_line = 1
 #_instructions = dis.get_instructions(outer, first_line=expected_outer_line)
 #print('expected_opinfo_outer = [\n  ',
       #',\n  '.join(map(str, _instructions)), ',\n]', sep='')
-#_instructions = dis.get_instructions(outer(), first_line=expected_outer_line)
+#_instructions = dis.get_instructions(outer(), first_line=expected_f_line)
 #print('expected_opinfo_f = [\n  ',
       #',\n  '.join(map(str, _instructions)), ',\n]', sep='')
-#_instructions = dis.get_instructions(outer()(), first_line=expected_outer_line)
+#_instructions = dis.get_instructions(outer()(), first_line=expected_inner_line)
 #print('expected_opinfo_inner = [\n  ',
       #',\n  '.join(map(str, _instructions)), ',\n]', sep='')
 #_instructions = dis.get_instructions(jumpy, first_line=expected_jumpy_line)
@@ -635,12 +643,12 @@ expected_opinfo_inner = [
 ]
 
 expected_opinfo_jumpy = [
-  Instruction(opname='SETUP_LOOP', opcode=120, arg=74, argval=77, argrepr='to 77', offset=0, starts_line=3, is_jump_target=False),
+  Instruction(opname='SETUP_LOOP', opcode=120, arg=68, argval=71, argrepr='to 71', offset=0, starts_line=3, is_jump_target=False),
   Instruction(opname='LOAD_GLOBAL', opcode=116, arg=0, argval='range', argrepr='range', offset=3, starts_line=None, is_jump_target=False),
   Instruction(opname='LOAD_CONST', opcode=100, arg=1, argval=10, argrepr='10', offset=6, starts_line=None, is_jump_target=False),
   Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=9, starts_line=None, is_jump_target=False),
   Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=12, starts_line=None, is_jump_target=False),
-  Instruction(opname='FOR_ITER', opcode=93, arg=50, argval=66, argrepr='to 66', offset=13, starts_line=None, is_jump_target=True),
+  Instruction(opname='FOR_ITER', opcode=93, arg=44, argval=60, argrepr='to 60', offset=13, starts_line=None, is_jump_target=True),
   Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=16, starts_line=None, is_jump_target=False),
   Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=19, starts_line=4, is_jump_target=False),
   Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=22, starts_line=None, is_jump_target=False),
@@ -649,92 +657,88 @@ expected_opinfo_jumpy = [
   Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=29, starts_line=5, is_jump_target=False),
   Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=32, starts_line=None, is_jump_target=False),
   Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=35, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=47, argval=47, argrepr='', offset=38, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=44, argval=44, argrepr='', offset=38, starts_line=None, is_jump_target=False),
   Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=13, argval=13, argrepr='', offset=41, starts_line=6, is_jump_target=False),
-  Instruction(opname='JUMP_FORWARD', opcode=110, arg=0, argval=47, argrepr='to 47', offset=44, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=47, starts_line=7, is_jump_target=True),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=50, starts_line=None, is_jump_target=False),
-  Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=53, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=13, argval=13, argrepr='', offset=56, starts_line=None, is_jump_target=False),
-  Instruction(opname='BREAK_LOOP', opcode=80, arg=None, argval=None, argrepr='', offset=59, starts_line=8, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=13, argval=13, argrepr='', offset=60, starts_line=None, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=13, argval=13, argrepr='', offset=63, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=66, starts_line=None, is_jump_target=True),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=67, starts_line=10, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='I can haz else clause?', argrepr="'I can haz else clause?'", offset=70, starts_line=None, is_jump_target=False),
-  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=73, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=76, starts_line=None, is_jump_target=False),
-  Instruction(opname='SETUP_LOOP', opcode=120, arg=74, argval=154, argrepr='to 154', offset=77, starts_line=11, is_jump_target=True),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=80, starts_line=None, is_jump_target=True),
-  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=143, argval=143, argrepr='', offset=83, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=86, starts_line=12, is_jump_target=False),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=89, starts_line=None, is_jump_target=False),
-  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=92, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=95, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=96, starts_line=13, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=99, starts_line=None, is_jump_target=False),
-  Instruction(opname='INPLACE_SUBTRACT', opcode=56, arg=None, argval=None, argrepr='', offset=102, starts_line=None, is_jump_target=False),
-  Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=103, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=106, starts_line=14, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=109, starts_line=None, is_jump_target=False),
-  Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=112, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=124, argval=124, argrepr='', offset=115, starts_line=None, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=80, argval=80, argrepr='', offset=118, starts_line=15, is_jump_target=False),
-  Instruction(opname='JUMP_FORWARD', opcode=110, arg=0, argval=124, argrepr='to 124', offset=121, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=124, starts_line=16, is_jump_target=True),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=127, starts_line=None, is_jump_target=False),
-  Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=130, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=80, argval=80, argrepr='', offset=133, starts_line=None, is_jump_target=False),
-  Instruction(opname='BREAK_LOOP', opcode=80, arg=None, argval=None, argrepr='', offset=136, starts_line=17, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=80, argval=80, argrepr='', offset=137, starts_line=None, is_jump_target=False),
-  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=80, argval=80, argrepr='', offset=140, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=143, starts_line=None, is_jump_target=True),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=144, starts_line=19, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Who let lolcatz into this test suite?', argrepr="'Who let lolcatz into this test suite?'", offset=147, starts_line=None, is_jump_target=False),
-  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=150, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=153, starts_line=None, is_jump_target=False),
-  Instruction(opname='SETUP_FINALLY', opcode=122, arg=72, argval=229, argrepr='to 229', offset=154, starts_line=20, is_jump_target=True),
-  Instruction(opname='SETUP_EXCEPT', opcode=121, arg=12, argval=172, argrepr='to 172', offset=157, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=160, starts_line=21, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=163, starts_line=None, is_jump_target=False),
-  Instruction(opname='BINARY_TRUE_DIVIDE', opcode=27, arg=None, argval=None, argrepr='', offset=166, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=167, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=168, starts_line=None, is_jump_target=False),
-  Instruction(opname='JUMP_FORWARD', opcode=110, arg=28, argval=200, argrepr='to 200', offset=169, starts_line=None, is_jump_target=False),
-  Instruction(opname='DUP_TOP', opcode=4, arg=None, argval=None, argrepr='', offset=172, starts_line=22, is_jump_target=True),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=2, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=173, starts_line=None, is_jump_target=False),
-  Instruction(opname='COMPARE_OP', opcode=107, arg=10, argval='exception match', argrepr='exception match', offset=176, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=199, argval=199, argrepr='', offset=179, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=44, starts_line=7, is_jump_target=True),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=47, starts_line=None, is_jump_target=False),
+  Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=50, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=13, argval=13, argrepr='', offset=53, starts_line=None, is_jump_target=False),
+  Instruction(opname='BREAK_LOOP', opcode=80, arg=None, argval=None, argrepr='', offset=56, starts_line=8, is_jump_target=False),
+  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=13, argval=13, argrepr='', offset=57, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=60, starts_line=None, is_jump_target=True),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=61, starts_line=10, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='I can haz else clause?', argrepr="'I can haz else clause?'", offset=64, starts_line=None, is_jump_target=False),
+  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=67, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=70, starts_line=None, is_jump_target=False),
+  Instruction(opname='SETUP_LOOP', opcode=120, arg=68, argval=142, argrepr='to 142', offset=71, starts_line=11, is_jump_target=True),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=74, starts_line=None, is_jump_target=True),
+  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=131, argval=131, argrepr='', offset=77, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=80, starts_line=12, is_jump_target=False),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=83, starts_line=None, is_jump_target=False),
+  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=86, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=89, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=90, starts_line=13, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=93, starts_line=None, is_jump_target=False),
+  Instruction(opname='INPLACE_SUBTRACT', opcode=56, arg=None, argval=None, argrepr='', offset=96, starts_line=None, is_jump_target=False),
+  Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=97, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=100, starts_line=14, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=103, starts_line=None, is_jump_target=False),
+  Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=106, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=115, argval=115, argrepr='', offset=109, starts_line=None, is_jump_target=False),
+  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=74, argval=74, argrepr='', offset=112, starts_line=15, is_jump_target=False),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=115, starts_line=16, is_jump_target=True),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=118, starts_line=None, is_jump_target=False),
+  Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=121, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=74, argval=74, argrepr='', offset=124, starts_line=None, is_jump_target=False),
+  Instruction(opname='BREAK_LOOP', opcode=80, arg=None, argval=None, argrepr='', offset=127, starts_line=17, is_jump_target=False),
+  Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=74, argval=74, argrepr='', offset=128, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=131, starts_line=None, is_jump_target=True),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=132, starts_line=19, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Who let lolcatz into this test suite?', argrepr="'Who let lolcatz into this test suite?'", offset=135, starts_line=None, is_jump_target=False),
+  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=138, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=141, starts_line=None, is_jump_target=False),
+  Instruction(opname='SETUP_FINALLY', opcode=122, arg=72, argval=217, argrepr='to 217', offset=142, starts_line=20, is_jump_target=True),
+  Instruction(opname='SETUP_EXCEPT', opcode=121, arg=12, argval=160, argrepr='to 160', offset=145, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=148, starts_line=21, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=151, starts_line=None, is_jump_target=False),
+  Instruction(opname='BINARY_TRUE_DIVIDE', opcode=27, arg=None, argval=None, argrepr='', offset=154, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=155, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=156, starts_line=None, is_jump_target=False),
+  Instruction(opname='JUMP_FORWARD', opcode=110, arg=28, argval=188, argrepr='to 188', offset=157, starts_line=None, is_jump_target=False),
+  Instruction(opname='DUP_TOP', opcode=4, arg=None, argval=None, argrepr='', offset=160, starts_line=22, is_jump_target=True),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=2, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=161, starts_line=None, is_jump_target=False),
+  Instruction(opname='COMPARE_OP', opcode=107, arg=10, argval='exception match', argrepr='exception match', offset=164, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=187, argval=187, argrepr='', offset=167, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=170, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=171, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=172, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=173, starts_line=23, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=8, argval='Here we go, here we go, here we go...', argrepr="'Here we go, here we go, here we go...'", offset=176, starts_line=None, is_jump_target=False),
+  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=179, starts_line=None, is_jump_target=False),
   Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=182, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=183, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=184, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=185, starts_line=23, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=8, argval='Here we go, here we go, here we go...', argrepr="'Here we go, here we go, here we go...'", offset=188, starts_line=None, is_jump_target=False),
-  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=191, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=194, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=195, starts_line=None, is_jump_target=False),
-  Instruction(opname='JUMP_FORWARD', opcode=110, arg=26, argval=225, argrepr='to 225', offset=196, starts_line=None, is_jump_target=False),
-  Instruction(opname='END_FINALLY', opcode=88, arg=None, argval=None, argrepr='', offset=199, starts_line=None, is_jump_target=True),
-  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=200, starts_line=25, is_jump_target=True),
-  Instruction(opname='SETUP_WITH', opcode=143, arg=17, argval=223, argrepr='to 223', offset=203, starts_line=None, is_jump_target=False),
-  Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=206, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=209, starts_line=26, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=9, argval='Never reach this', argrepr="'Never reach this'", offset=212, starts_line=None, is_jump_target=False),
-  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=215, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=218, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=219, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=220, starts_line=None, is_jump_target=False),
-  Instruction(opname='WITH_CLEANUP', opcode=81, arg=None, argval=None, argrepr='', offset=223, starts_line=None, is_jump_target=True),
-  Instruction(opname='END_FINALLY', opcode=88, arg=None, argval=None, argrepr='', offset=224, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=225, starts_line=None, is_jump_target=True),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=226, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=229, starts_line=28, is_jump_target=True),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=232, starts_line=None, is_jump_target=False),
-  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=235, starts_line=None, is_jump_target=False),
-  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=238, starts_line=None, is_jump_target=False),
-  Instruction(opname='END_FINALLY', opcode=88, arg=None, argval=None, argrepr='', offset=239, starts_line=None, is_jump_target=False),
-  Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=240, starts_line=None, is_jump_target=False),
-  Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=243, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=183, starts_line=None, is_jump_target=False),
+  Instruction(opname='JUMP_FORWARD', opcode=110, arg=26, argval=213, argrepr='to 213', offset=184, starts_line=None, is_jump_target=False),
+  Instruction(opname='END_FINALLY', opcode=88, arg=None, argval=None, argrepr='', offset=187, starts_line=None, is_jump_target=True),
+  Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=188, starts_line=25, is_jump_target=True),
+  Instruction(opname='SETUP_WITH', opcode=143, arg=17, argval=211, argrepr='to 211', offset=191, starts_line=None, is_jump_target=False),
+  Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=194, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=197, starts_line=26, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=9, argval='Never reach this', argrepr="'Never reach this'", offset=200, starts_line=None, is_jump_target=False),
+  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=203, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=206, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=207, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=208, starts_line=None, is_jump_target=False),
+  Instruction(opname='WITH_CLEANUP', opcode=81, arg=None, argval=None, argrepr='', offset=211, starts_line=None, is_jump_target=True),
+  Instruction(opname='END_FINALLY', opcode=88, arg=None, argval=None, argrepr='', offset=212, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_BLOCK', opcode=87, arg=None, argval=None, argrepr='', offset=213, starts_line=None, is_jump_target=True),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=214, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=217, starts_line=28, is_jump_target=True),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=220, starts_line=None, is_jump_target=False),
+  Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='1 positional, 0 keyword pair', offset=223, starts_line=None, is_jump_target=False),
+  Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=226, starts_line=None, is_jump_target=False),
+  Instruction(opname='END_FINALLY', opcode=88, arg=None, argval=None, argrepr='', offset=227, starts_line=None, is_jump_target=False),
+  Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=228, starts_line=None, is_jump_target=False),
+  Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=231, starts_line=None, is_jump_target=False),
 ]
 
 # One last piece of inspect fodder to check the default line number handling
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index 9292d92..bbe5a13 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -4,6 +4,7 @@ Test script for doctest.
 
 from test import support
 import doctest
+import functools
 import os
 import sys
 
@@ -434,7 +435,7 @@ We'll simulate a __file__ attr that ends in pyc:
     >>> tests = finder.find(sample_func)
 
     >>> print(tests)  # doctest: +ELLIPSIS
-    [<DocTest sample_func from ...:18 (1 example)>]
+    [<DocTest sample_func from ...:19 (1 example)>]
 
 The exact name depends on how test_doctest was invoked, so allow for
 leading path components.
@@ -2096,22 +2097,9 @@ def test_DocTestSuite():
          >>> suite.run(unittest.TestResult())
          <unittest.result.TestResult run=0 errors=0 failures=0>
 
-       However, if DocTestSuite finds no docstrings, it raises an error:
+       The module need not contain any docstrings either:
 
-         >>> try:
-         ...     doctest.DocTestSuite('test.sample_doctest_no_docstrings')
-         ... except ValueError as e:
-         ...     error = e
-
-         >>> print(error.args[1])
-         has no docstrings
-
-       You can prevent this error by passing a DocTestFinder instance with
-       the `exclude_empty` keyword argument set to False:
-
-         >>> finder = doctest.DocTestFinder(exclude_empty=False)
-         >>> suite = doctest.DocTestSuite('test.sample_doctest_no_docstrings',
-         ...                              test_finder=finder)
+         >>> suite = doctest.DocTestSuite('test.sample_doctest_no_docstrings')
          >>> suite.run(unittest.TestResult())
          <unittest.result.TestResult run=0 errors=0 failures=0>
 
@@ -2121,6 +2109,22 @@ def test_DocTestSuite():
          >>> suite.run(unittest.TestResult())
          <unittest.result.TestResult run=9 errors=0 failures=4>
 
+       We can also provide a DocTestFinder:
+
+         >>> finder = doctest.DocTestFinder()
+         >>> suite = doctest.DocTestSuite('test.sample_doctest',
+         ...                          test_finder=finder)
+         >>> suite.run(unittest.TestResult())
+         <unittest.result.TestResult run=9 errors=0 failures=4>
+
+       The DocTestFinder need not return any tests:
+
+         >>> finder = doctest.DocTestFinder()
+         >>> suite = doctest.DocTestSuite('test.sample_doctest_no_docstrings',
+         ...                          test_finder=finder)
+         >>> suite.run(unittest.TestResult())
+         <unittest.result.TestResult run=0 errors=0 failures=0>
+
        We can supply global variables.  If we pass globs, they will be
        used instead of the module globals.  Here we'll pass an empty
        globals, triggering an extra error:
@@ -2168,7 +2172,7 @@ def test_DocTestSuite():
          >>> test.test_doctest.sillySetup
          Traceback (most recent call last):
          ...
-         AttributeError: 'module' object has no attribute 'sillySetup'
+         AttributeError: module 'test.test_doctest' has no attribute 'sillySetup'
 
        The setUp and tearDown functions are passed test objects. Here
        we'll use the setUp function to supply the missing variable y:
@@ -2314,7 +2318,7 @@ def test_DocFileSuite():
          >>> test.test_doctest.sillySetup
          Traceback (most recent call last):
          ...
-         AttributeError: 'module' object has no attribute 'sillySetup'
+         AttributeError: module 'test.test_doctest' has no attribute 'sillySetup'
 
        The setUp and tearDown functions are passed test objects.
        Here, we'll use a setUp function to set the favorite color in
@@ -2361,6 +2365,22 @@ def test_trailing_space_in_test():
       foo \n
     """
 
+class Wrapper:
+    def __init__(self, func):
+        self.func = func
+        functools.update_wrapper(self, func)
+
+    def __call__(self, *args, **kwargs):
+        self.func(*args, **kwargs)
+
+@Wrapper
+def test_look_in_unwrapped():
+    """
+    Docstrings in wrapped functions must be detected as well.
+
+    >>> 'one other test'
+    'one other test'
+    """
 
 def test_unittest_reportflags():
     """Default unittest reporting flags can be set to control reporting
@@ -2927,7 +2947,7 @@ Invalid doctest option:
 
 def test_main():
     # Check the doctest cases in doctest itself:
-    support.run_doctest(doctest, verbosity=True)
+    ret = support.run_doctest(doctest, verbosity=True)
     # Check the doctest cases defined here:
     from test import test_doctest
     support.run_doctest(test_doctest, verbosity=True)
diff --git a/Lib/test/test_docxmlrpc.py b/Lib/test/test_docxmlrpc.py
index 06161f2..e6ca961 100644
--- a/Lib/test/test_docxmlrpc.py
+++ b/Lib/test/test_docxmlrpc.py
@@ -87,10 +87,11 @@ class DocXMLRPCHTTPGETServer(unittest.TestCase):
         threading.Thread(target=server, args=(self.evt, 1)).start()
 
         # wait for port to be assigned
-        n = 1000
-        while n > 0 and PORT is None:
-            time.sleep(0.001)
-            n -= 1
+        deadline = time.monotonic() + 10.0
+        while PORT is None:
+            time.sleep(0.010)
+            if time.monotonic() > deadline:
+                break
 
         self.client = http.client.HTTPConnection("localhost:%d" % PORT)
 
@@ -212,8 +213,5 @@ class DocXMLRPCHTTPGETServer(unittest.TestCase):
             response.read())
 
 
-def test_main():
-    support.run_unittest(DocXMLRPCHTTPGETServer)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_dummy_threading.py b/Lib/test/test_dummy_threading.py
index 6ec5da3..a0c2972 100644
--- a/Lib/test/test_dummy_threading.py
+++ b/Lib/test/test_dummy_threading.py
@@ -56,9 +56,5 @@ class DummyThreadingTestCase(unittest.TestCase):
         if support.verbose:
             print('all tasks done')
 
-def test_main():
-    support.run_unittest(DummyThreadingTestCase)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_dynamic.py b/Lib/test/test_dynamic.py
index beb7b1c..5080ec9 100644
--- a/Lib/test/test_dynamic.py
+++ b/Lib/test/test_dynamic.py
@@ -4,7 +4,7 @@ import builtins
 import contextlib
 import unittest
 
-from test.support import run_unittest, swap_item, swap_attr
+from test.support import swap_item, swap_attr
 
 
 class RebindBuiltinsTests(unittest.TestCase):
@@ -135,9 +135,5 @@ class RebindBuiltinsTests(unittest.TestCase):
         self.assertEqual(foo(), 7)
 
 
-def test_main():
-    run_unittest(RebindBuiltinsTests)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_dynamicclassattribute.py b/Lib/test/test_dynamicclassattribute.py
index bc6a39b..9f694d9 100644
--- a/Lib/test/test_dynamicclassattribute.py
+++ b/Lib/test/test_dynamicclassattribute.py
@@ -4,7 +4,6 @@
 import abc
 import sys
 import unittest
-from test.support import run_unittest
 from types import DynamicClassAttribute
 
 class PropertyBase(Exception):
@@ -297,8 +296,5 @@ class PropertySubclassTests(unittest.TestCase):
 
 
 
-def test_main():
-    run_unittest(PropertyTests, PropertySubclassTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_eintr.py b/Lib/test/test_eintr.py
new file mode 100644
index 0000000..8b5f507
--- /dev/null
+++ b/Lib/test/test_eintr.py
@@ -0,0 +1,20 @@
+import os
+import signal
+import unittest
+
+from test import script_helper, support
+
+
+@unittest.skipUnless(os.name == "posix", "only supported on Unix")
+class EINTRTests(unittest.TestCase):
+
+    @unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
+    def test_all(self):
+        # Run the tester in a sub-process, to make sure there is only one
+        # thread (for reliable signal delivery).
+        tester = support.findfile("eintr_tester.py", subdir="eintrdata")
+        script_helper.assert_python_ok(tester)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index 227110f..218ce0c 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -1636,6 +1636,10 @@ class TestMIMEText(unittest.TestCase):
         msg = MIMEText('hello there', _charset='us-ascii')
         eq(msg.get_charset().input_charset, 'us-ascii')
         eq(msg['content-type'], 'text/plain; charset="us-ascii"')
+        # Also accept a Charset instance
+        msg = MIMEText('hello there', _charset=Charset('utf-8'))
+        eq(msg.get_charset().input_charset, 'utf-8')
+        eq(msg['content-type'], 'text/plain; charset="utf-8"')
 
     def test_7bit_input(self):
         eq = self.assertEqual
diff --git a/Lib/test/test_email/test_message.py b/Lib/test/test_email/test_message.py
index 50e1a63..d78049e 100644
--- a/Lib/test/test_email/test_message.py
+++ b/Lib/test/test_email/test_message.py
@@ -723,24 +723,14 @@ class TestEmailMessageBase:
     def test_is_attachment(self):
         m = self._make_message()
         self.assertFalse(m.is_attachment())
-        with self.assertWarns(DeprecationWarning):
-            self.assertFalse(m.is_attachment)
         m['Content-Disposition'] = 'inline'
         self.assertFalse(m.is_attachment())
-        with self.assertWarns(DeprecationWarning):
-            self.assertFalse(m.is_attachment)
         m.replace_header('Content-Disposition', 'attachment')
         self.assertTrue(m.is_attachment())
-        with self.assertWarns(DeprecationWarning):
-            self.assertTrue(m.is_attachment)
         m.replace_header('Content-Disposition', 'AtTachMent')
         self.assertTrue(m.is_attachment())
-        with self.assertWarns(DeprecationWarning):
-            self.assertTrue(m.is_attachment)
         m.set_param('filename', 'abc.png', 'Content-Disposition')
         self.assertTrue(m.is_attachment())
-        with self.assertWarns(DeprecationWarning):
-            self.assertTrue(m.is_attachment)
 
 
 class TestEmailMessage(TestEmailMessageBase, TestEmailBase):
diff --git a/Lib/test/test_ensurepip.py b/Lib/test/test_ensurepip.py
index 759168e..7e5ea68 100644
--- a/Lib/test/test_ensurepip.py
+++ b/Lib/test/test_ensurepip.py
@@ -342,4 +342,4 @@ class TestUninstallationMainFunction(EnsurepipMixin, unittest.TestCase):
 
 
 if __name__ == "__main__":
-    test.support.run_unittest(__name__)
+    unittest.main()
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 5db4040..4b5d0d0 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -66,18 +66,14 @@ try:
 except Exception:
     pass
 
-def test_pickle_dump_load(assertion, source, target=None,
-        *, protocol=(0, HIGHEST_PROTOCOL)):
-    start, stop = protocol
+def test_pickle_dump_load(assertion, source, target=None):
     if target is None:
         target = source
-    for protocol in range(start, stop+1):
+    for protocol in range(HIGHEST_PROTOCOL + 1):
         assertion(loads(dumps(source, protocol=protocol)), target)
 
-def test_pickle_exception(assertion, exception, obj,
-        *, protocol=(0, HIGHEST_PROTOCOL)):
-    start, stop = protocol
-    for protocol in range(start, stop+1):
+def test_pickle_exception(assertion, exception, obj):
+    for protocol in range(HIGHEST_PROTOCOL + 1):
         with assertion(exception):
             dumps(obj, protocol=protocol)
 
@@ -575,11 +571,7 @@ class TestEnum(unittest.TestCase):
 
         self.__class__.NestedEnum = NestedEnum
         self.NestedEnum.__qualname__ = '%s.NestedEnum' % self.__class__.__name__
-        test_pickle_exception(
-                self.assertRaises, PicklingError, self.NestedEnum.twigs,
-                protocol=(0, 3))
-        test_pickle_dump_load(self.assertIs, self.NestedEnum.twigs,
-                protocol=(4, HIGHEST_PROTOCOL))
+        test_pickle_dump_load(self.assertIs, self.NestedEnum.twigs)
 
     def test_pickle_by_name(self):
         class ReplaceGlobalInt(IntEnum):
@@ -654,6 +646,23 @@ class TestEnum(unittest.TestCase):
             self.assertIn(e, SummerMonth)
             self.assertIs(type(e), SummerMonth)
 
+    def test_programatic_function_string_with_start(self):
+        SummerMonth = Enum('SummerMonth', 'june july august', start=10)
+        lst = list(SummerMonth)
+        self.assertEqual(len(lst), len(SummerMonth))
+        self.assertEqual(len(SummerMonth), 3, SummerMonth)
+        self.assertEqual(
+                [SummerMonth.june, SummerMonth.july, SummerMonth.august],
+                lst,
+                )
+        for i, month in enumerate('june july august'.split(), 10):
+            e = SummerMonth(i)
+            self.assertEqual(int(e.value), i)
+            self.assertNotEqual(e, i)
+            self.assertEqual(e.name, month)
+            self.assertIn(e, SummerMonth)
+            self.assertIs(type(e), SummerMonth)
+
     def test_programatic_function_string_list(self):
         SummerMonth = Enum('SummerMonth', ['june', 'july', 'august'])
         lst = list(SummerMonth)
@@ -671,6 +680,23 @@ class TestEnum(unittest.TestCase):
             self.assertIn(e, SummerMonth)
             self.assertIs(type(e), SummerMonth)
 
+    def test_programatic_function_string_list_with_start(self):
+        SummerMonth = Enum('SummerMonth', ['june', 'july', 'august'], start=20)
+        lst = list(SummerMonth)
+        self.assertEqual(len(lst), len(SummerMonth))
+        self.assertEqual(len(SummerMonth), 3, SummerMonth)
+        self.assertEqual(
+                [SummerMonth.june, SummerMonth.july, SummerMonth.august],
+                lst,
+                )
+        for i, month in enumerate('june july august'.split(), 20):
+            e = SummerMonth(i)
+            self.assertEqual(int(e.value), i)
+            self.assertNotEqual(e, i)
+            self.assertEqual(e.name, month)
+            self.assertIn(e, SummerMonth)
+            self.assertIs(type(e), SummerMonth)
+
     def test_programatic_function_iterable(self):
         SummerMonth = Enum(
                 'SummerMonth',
@@ -727,6 +753,22 @@ class TestEnum(unittest.TestCase):
             self.assertIn(e, SummerMonth)
             self.assertIs(type(e), SummerMonth)
 
+    def test_programatic_function_type_with_start(self):
+        SummerMonth = Enum('SummerMonth', 'june july august', type=int, start=30)
+        lst = list(SummerMonth)
+        self.assertEqual(len(lst), len(SummerMonth))
+        self.assertEqual(len(SummerMonth), 3, SummerMonth)
+        self.assertEqual(
+                [SummerMonth.june, SummerMonth.july, SummerMonth.august],
+                lst,
+                )
+        for i, month in enumerate('june july august'.split(), 30):
+            e = SummerMonth(i)
+            self.assertEqual(e, i)
+            self.assertEqual(e.name, month)
+            self.assertIn(e, SummerMonth)
+            self.assertIs(type(e), SummerMonth)
+
     def test_programatic_function_type_from_subclass(self):
         SummerMonth = IntEnum('SummerMonth', 'june july august')
         lst = list(SummerMonth)
@@ -743,6 +785,22 @@ class TestEnum(unittest.TestCase):
             self.assertIn(e, SummerMonth)
             self.assertIs(type(e), SummerMonth)
 
+    def test_programatic_function_type_from_subclass_with_start(self):
+        SummerMonth = IntEnum('SummerMonth', 'june july august', start=40)
+        lst = list(SummerMonth)
+        self.assertEqual(len(lst), len(SummerMonth))
+        self.assertEqual(len(SummerMonth), 3, SummerMonth)
+        self.assertEqual(
+                [SummerMonth.june, SummerMonth.july, SummerMonth.august],
+                lst,
+                )
+        for i, month in enumerate('june july august'.split(), 40):
+            e = SummerMonth(i)
+            self.assertEqual(e, i)
+            self.assertEqual(e.name, month)
+            self.assertIn(e, SummerMonth)
+            self.assertIs(type(e), SummerMonth)
+
     def test_subclassing(self):
         if isinstance(Name, Exception):
             raise Name
@@ -1030,9 +1088,9 @@ class TestEnum(unittest.TestCase):
         globals()['NEI'] = NEI
         NI5 = NamedInt('test', 5)
         self.assertEqual(NI5, 5)
-        test_pickle_dump_load(self.assertEqual, NI5, 5, protocol=(4, 4))
+        test_pickle_dump_load(self.assertEqual, NI5, 5)
         self.assertEqual(NEI.y.value, 2)
-        test_pickle_dump_load(self.assertIs, NEI.y, protocol=(4, 4))
+        test_pickle_dump_load(self.assertIs, NEI.y)
         test_pickle_dump_load(self.assertIs, NEI)
 
     def test_subclasses_with_reduce(self):
@@ -1498,10 +1556,12 @@ class TestUnique(unittest.TestCase):
                 turkey = 3
 
 
-expected_help_output = """
+expected_help_output_with_docs = """\
 Help on class Color in module %s:
 
 class Color(enum.Enum)
+ |  An enumeration.
+ |\x20\x20
  |  Method resolution order:
  |      Color
  |      enum.Enum
@@ -1531,11 +1591,41 @@ class Color(enum.Enum)
  |      Returns a mapping of member name->value.
  |\x20\x20\x20\x20\x20\x20
  |      This mapping lists all enum members, including aliases. Note that this
- |      is a read-only view of the internal mapping.
-""".strip()
+ |      is a read-only view of the internal mapping."""
+
+expected_help_output_without_docs = """\
+Help on class Color in module %s:
+
+class Color(enum.Enum)
+ |  Method resolution order:
+ |      Color
+ |      enum.Enum
+ |      builtins.object
+ |\x20\x20
+ |  Data and other attributes defined here:
+ |\x20\x20
+ |  blue = <Color.blue: 3>
+ |\x20\x20
+ |  green = <Color.green: 2>
+ |\x20\x20
+ |  red = <Color.red: 1>
+ |\x20\x20
+ |  ----------------------------------------------------------------------
+ |  Data descriptors inherited from enum.Enum:
+ |\x20\x20
+ |  name
+ |\x20\x20
+ |  value
+ |\x20\x20
+ |  ----------------------------------------------------------------------
+ |  Data descriptors inherited from enum.EnumMeta:
+ |\x20\x20
+ |  __members__"""
 
 class TestStdLib(unittest.TestCase):
 
+    maxDiff = None
+
     class Color(Enum):
         red = 1
         green = 2
@@ -1543,7 +1633,10 @@ class TestStdLib(unittest.TestCase):
 
     def test_pydoc(self):
         # indirectly test __objclass__
-        expected_text = expected_help_output % __name__
+        if StrEnum.__doc__ is None:
+            expected_text = expected_help_output_without_docs % __name__
+        else:
+            expected_text = expected_help_output_with_docs % __name__
         output = StringIO()
         helper = pydoc.Helper(output=output)
         helper(self.Color)
@@ -1553,7 +1646,7 @@ class TestStdLib(unittest.TestCase):
     def test_inspect_getmembers(self):
         values = dict((
                 ('__class__', EnumMeta),
-                ('__doc__', None),
+                ('__doc__', 'An enumeration.'),
                 ('__members__', self.Color.__members__),
                 ('__module__', __name__),
                 ('blue', self.Color.blue),
@@ -1581,7 +1674,7 @@ class TestStdLib(unittest.TestCase):
                 Attribute(name='__class__', kind='data',
                     defining_class=object, object=EnumMeta),
                 Attribute(name='__doc__', kind='data',
-                    defining_class=self.Color, object=None),
+                    defining_class=self.Color, object='An enumeration.'),
                 Attribute(name='__members__', kind='property',
                     defining_class=EnumMeta, object=EnumMeta.__members__),
                 Attribute(name='__module__', kind='data',
diff --git a/Lib/test/test_enumerate.py b/Lib/test/test_enumerate.py
index e85254c..2630cf2 100644
--- a/Lib/test/test_enumerate.py
+++ b/Lib/test/test_enumerate.py
@@ -258,16 +258,5 @@ class TestLongStart(EnumerateStartTestCase):
                        (sys.maxsize+3,'c')]
 
 
-def test_main(verbose=None):
-    support.run_unittest(__name__)
-
-    # verify reference counting
-    if verbose and hasattr(sys, "gettotalrefcount"):
-        counts = [None] * 5
-        for i in range(len(counts)):
-            support.run_unittest(__name__)
-            counts[i] = sys.gettotalrefcount()
-        print(counts)
-
 if __name__ == "__main__":
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_eof.py b/Lib/test/test_eof.py
index 52e7932..7baa7ae 100644
--- a/Lib/test/test_eof.py
+++ b/Lib/test/test_eof.py
@@ -24,8 +24,5 @@ class EOFTestCase(unittest.TestCase):
         else:
             raise support.TestFailed
 
-def test_main():
-    support.run_unittest(EOFTestCase)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_epoll.py b/Lib/test/test_epoll.py
index b37f033..a7359e9 100644
--- a/Lib/test/test_epoll.py
+++ b/Lib/test/test_epoll.py
@@ -44,7 +44,7 @@ class TestEPoll(unittest.TestCase):
     def setUp(self):
         self.serverSocket = socket.socket()
         self.serverSocket.bind(('127.0.0.1', 0))
-        self.serverSocket.listen(1)
+        self.serverSocket.listen()
         self.connections = [self.serverSocket]
 
     def tearDown(self):
@@ -252,8 +252,5 @@ class TestEPoll(unittest.TestCase):
         self.assertEqual(os.get_inheritable(epoll.fileno()), False)
 
 
-def test_main():
-    support.run_unittest(TestEPoll)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_errno.py b/Lib/test/test_errno.py
index 058dcb9..5c437e9 100644
--- a/Lib/test/test_errno.py
+++ b/Lib/test/test_errno.py
@@ -3,7 +3,6 @@
 """
 
 import errno
-from test import support
 import unittest
 
 std_c_errors = frozenset(['EDOM', 'ERANGE'])
@@ -32,9 +31,5 @@ class ErrorcodeTests(unittest.TestCase):
                               'no %s attr in errno.errorcode' % attribute)
 
 
-def test_main():
-    support.run_unittest(ErrnoAttributeTests, ErrorcodeTests)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_exception_variations.py b/Lib/test/test_exception_variations.py
index 11f5e5c..d874b0e 100644
--- a/Lib/test/test_exception_variations.py
+++ b/Lib/test/test_exception_variations.py
@@ -1,5 +1,4 @@
 
-from test.support import run_unittest
 import unittest
 
 class ExceptionTestCase(unittest.TestCase):
@@ -173,8 +172,5 @@ class ExceptionTestCase(unittest.TestCase):
         self.assertTrue(hit_finally)
         self.assertTrue(hit_except)
 
-def test_main():
-    run_unittest(ExceptionTestCase)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py
index e68a09e..530b093 100644
--- a/Lib/test/test_faulthandler.py
+++ b/Lib/test/test_faulthandler.py
@@ -17,6 +17,10 @@ try:
     HAVE_THREADS = True
 except ImportError:
     HAVE_THREADS = False
+try:
+    import _testcapi
+except ImportError:
+    _testcapi = None
 
 TIMEOUT = 0.5
 
@@ -38,7 +42,7 @@ def temporary_filename():
         support.unlink(filename)
 
 class FaultHandlerTests(unittest.TestCase):
-    def get_output(self, code, filename=None):
+    def get_output(self, code, filename=None, fd=None):
         """
         Run the specified code in Python (in a new child process) and read the
         output from the standard error or from a file (if filename is set).
@@ -49,8 +53,11 @@ class FaultHandlerTests(unittest.TestCase):
         thread XXX".
         """
         code = dedent(code).strip()
+        pass_fds = []
+        if fd is not None:
+            pass_fds.append(fd)
         with support.SuppressCrashReport():
-            process = script_helper.spawn_python('-c', code)
+            process = script_helper.spawn_python('-c', code, pass_fds=pass_fds)
         stdout, stderr = process.communicate()
         exitcode = process.wait()
         output = support.strip_python_stderr(stdout)
@@ -60,13 +67,20 @@ class FaultHandlerTests(unittest.TestCase):
             with open(filename, "rb") as fp:
                 output = fp.read()
             output = output.decode('ascii', 'backslashreplace')
+        elif fd is not None:
+            self.assertEqual(output, '')
+            os.lseek(fd, os.SEEK_SET, 0)
+            with open(fd, "rb", closefd=False) as fp:
+                output = fp.read()
+            output = output.decode('ascii', 'backslashreplace')
         output = re.sub('Current thread 0x[0-9a-f]+',
                         'Current thread XXX',
                         output)
         return output.splitlines(), exitcode
 
     def check_fatal_error(self, code, line_number, name_regex,
-                          filename=None, all_threads=True, other_regex=None):
+                          filename=None, all_threads=True, other_regex=None,
+                          fd=None):
         """
         Check that the fault handler for fatal errors is enabled and check the
         traceback from the child process output.
@@ -89,7 +103,7 @@ class FaultHandlerTests(unittest.TestCase):
             header=re.escape(header))).strip()
         if other_regex:
             regex += '|' + other_regex
-        output, exitcode = self.get_output(code, filename)
+        output, exitcode = self.get_output(code, filename=filename, fd=fd)
         output = '\n'.join(output)
         self.assertRegex(output, regex)
         self.assertNotEqual(exitcode, 0)
@@ -135,26 +149,32 @@ class FaultHandlerTests(unittest.TestCase):
             3,
             'Floating point exception')
 
-    @unittest.skipIf(not hasattr(faulthandler, '_sigbus'),
-                     "need faulthandler._sigbus()")
+    @unittest.skipIf(_testcapi is None, 'need _testcapi')
+    @unittest.skipUnless(hasattr(signal, 'SIGBUS'), 'need signal.SIGBUS')
     def test_sigbus(self):
         self.check_fatal_error("""
+            import _testcapi
             import faulthandler
+            import signal
+
             faulthandler.enable()
-            faulthandler._sigbus()
+            _testcapi.raise_signal(signal.SIGBUS)
             """,
-            3,
+            6,
             'Bus error')
 
-    @unittest.skipIf(not hasattr(faulthandler, '_sigill'),
-                     "need faulthandler._sigill()")
+    @unittest.skipIf(_testcapi is None, 'need _testcapi')
+    @unittest.skipUnless(hasattr(signal, 'SIGILL'), 'need signal.SIGILL')
     def test_sigill(self):
         self.check_fatal_error("""
+            import _testcapi
             import faulthandler
+            import signal
+
             faulthandler.enable()
-            faulthandler._sigill()
+            _testcapi.raise_signal(signal.SIGILL)
             """,
-            3,
+            6,
             'Illegal instruction')
 
     def test_fatal_error(self):
@@ -201,6 +221,21 @@ class FaultHandlerTests(unittest.TestCase):
                 'Segmentation fault',
                 filename=filename)
 
+    @unittest.skipIf(sys.platform == "win32",
+                     "subprocess doesn't support pass_fds on Windows")
+    def test_enable_fd(self):
+        with tempfile.TemporaryFile('wb+') as fp:
+            fd = fp.fileno()
+            self.check_fatal_error("""
+                import faulthandler
+                import sys
+                faulthandler.enable(%s)
+                faulthandler._sigsegv()
+                """ % fd,
+                4,
+                'Segmentation fault',
+                fd=fd)
+
     def test_enable_single_thread(self):
         self.check_fatal_error("""
             import faulthandler
@@ -287,7 +322,7 @@ class FaultHandlerTests(unittest.TestCase):
         output = subprocess.check_output(args, env=env)
         self.assertEqual(output.rstrip(), b"True")
 
-    def check_dump_traceback(self, filename):
+    def check_dump_traceback(self, *, filename=None, fd=None):
         """
         Explicitly call dump_traceback() function and check its output.
         Raise an error if the output doesn't match the expected format.
@@ -295,10 +330,16 @@ class FaultHandlerTests(unittest.TestCase):
         code = """
             import faulthandler
 
+            filename = {filename!r}
+            fd = {fd}
+
             def funcB():
-                if {has_filename}:
-                    with open({filename}, "wb") as fp:
+                if filename:
+                    with open(filename, "wb") as fp:
                         faulthandler.dump_traceback(fp, all_threads=False)
+                elif fd is not None:
+                    faulthandler.dump_traceback(fd,
+                                                all_threads=False)
                 else:
                     faulthandler.dump_traceback(all_threads=False)
 
@@ -308,29 +349,37 @@ class FaultHandlerTests(unittest.TestCase):
             funcA()
             """
         code = code.format(
-            filename=repr(filename),
-            has_filename=bool(filename),
+            filename=filename,
+            fd=fd,
         )
         if filename:
-            lineno = 6
+            lineno = 9
+        elif fd is not None:
+            lineno = 12
         else:
-            lineno = 8
+            lineno = 14
         expected = [
             'Stack (most recent call first):',
             '  File "<string>", line %s in funcB' % lineno,
-            '  File "<string>", line 11 in funcA',
-            '  File "<string>", line 13 in <module>'
+            '  File "<string>", line 17 in funcA',
+            '  File "<string>", line 19 in <module>'
         ]
-        trace, exitcode = self.get_output(code, filename)
+        trace, exitcode = self.get_output(code, filename, fd)
         self.assertEqual(trace, expected)
         self.assertEqual(exitcode, 0)
 
     def test_dump_traceback(self):
-        self.check_dump_traceback(None)
+        self.check_dump_traceback()
 
     def test_dump_traceback_file(self):
         with temporary_filename() as filename:
-            self.check_dump_traceback(filename)
+            self.check_dump_traceback(filename=filename)
+
+    @unittest.skipIf(sys.platform == "win32",
+                     "subprocess doesn't support pass_fds on Windows")
+    def test_dump_traceback_fd(self):
+        with tempfile.TemporaryFile('wb+') as fp:
+            self.check_dump_traceback(fd=fp.fileno())
 
     def test_truncate(self):
         maxlen = 500
@@ -423,7 +472,10 @@ class FaultHandlerTests(unittest.TestCase):
         with temporary_filename() as filename:
             self.check_dump_traceback_threads(filename)
 
-    def _check_dump_traceback_later(self, repeat, cancel, filename, loops):
+    @unittest.skipIf(not hasattr(faulthandler, 'dump_traceback_later'),
+                     'need faulthandler.dump_traceback_later()')
+    def check_dump_traceback_later(self, repeat=False, cancel=False, loops=1,
+                                   *, filename=None, fd=None):
         """
         Check how many times the traceback is written in timeout x 2.5 seconds,
         or timeout x 3.5 seconds if cancel is True: 1, 2 or 3 times depending
@@ -435,6 +487,14 @@ class FaultHandlerTests(unittest.TestCase):
         code = """
             import faulthandler
             import time
+            import sys
+
+            timeout = {timeout}
+            repeat = {repeat}
+            cancel = {cancel}
+            loops = {loops}
+            filename = {filename!r}
+            fd = {fd}
 
             def func(timeout, repeat, cancel, file, loops):
                 for loop in range(loops):
@@ -444,16 +504,14 @@ class FaultHandlerTests(unittest.TestCase):
                     time.sleep(timeout * 5)
                     faulthandler.cancel_dump_traceback_later()
 
-            timeout = {timeout}
-            repeat = {repeat}
-            cancel = {cancel}
-            loops = {loops}
-            if {has_filename}:
-                file = open({filename}, "wb")
+            if filename:
+                file = open(filename, "wb")
+            elif fd is not None:
+                file = sys.stderr.fileno()
             else:
                 file = None
             func(timeout, repeat, cancel, file, loops)
-            if file is not None:
+            if filename:
                 file.close()
             """
         code = code.format(
@@ -461,8 +519,8 @@ class FaultHandlerTests(unittest.TestCase):
             repeat=repeat,
             cancel=cancel,
             loops=loops,
-            has_filename=bool(filename),
-            filename=repr(filename),
+            filename=filename,
+            fd=fd,
         )
         trace, exitcode = self.get_output(code, filename)
         trace = '\n'.join(trace)
@@ -472,27 +530,12 @@ class FaultHandlerTests(unittest.TestCase):
             if repeat:
                 count *= 2
             header = r'Timeout \(%s\)!\nThread 0x[0-9a-f]+ \(most recent call first\):\n' % timeout_str
-            regex = expected_traceback(9, 20, header, min_count=count)
+            regex = expected_traceback(17, 26, header, min_count=count)
             self.assertRegex(trace, regex)
         else:
             self.assertEqual(trace, '')
         self.assertEqual(exitcode, 0)
 
-    @unittest.skipIf(not hasattr(faulthandler, 'dump_traceback_later'),
-                     'need faulthandler.dump_traceback_later()')
-    def check_dump_traceback_later(self, repeat=False, cancel=False,
-                                    file=False, twice=False):
-        if twice:
-            loops = 2
-        else:
-            loops = 1
-        if file:
-            with temporary_filename() as filename:
-                self._check_dump_traceback_later(repeat, cancel,
-                                                  filename, loops)
-        else:
-            self._check_dump_traceback_later(repeat, cancel, None, loops)
-
     def test_dump_traceback_later(self):
         self.check_dump_traceback_later()
 
@@ -503,15 +546,22 @@ class FaultHandlerTests(unittest.TestCase):
         self.check_dump_traceback_later(cancel=True)
 
     def test_dump_traceback_later_file(self):
-        self.check_dump_traceback_later(file=True)
+        with temporary_filename() as filename:
+            self.check_dump_traceback_later(filename=filename)
+
+    @unittest.skipIf(sys.platform == "win32",
+                     "subprocess doesn't support pass_fds on Windows")
+    def test_dump_traceback_later_fd(self):
+        with tempfile.TemporaryFile('wb+') as fp:
+            self.check_dump_traceback_later(fd=fp.fileno())
 
     def test_dump_traceback_later_twice(self):
-        self.check_dump_traceback_later(twice=True)
+        self.check_dump_traceback_later(loops=2)
 
     @unittest.skipIf(not hasattr(faulthandler, "register"),
                      "need faulthandler.register")
     def check_register(self, filename=False, all_threads=False,
-                       unregister=False, chain=False):
+                       unregister=False, chain=False, fd=None):
         """
         Register a handler displaying the traceback on a user signal. Raise the
         signal and check the written traceback.
@@ -527,6 +577,13 @@ class FaultHandlerTests(unittest.TestCase):
             import signal
             import sys
 
+            all_threads = {all_threads}
+            signum = {signum}
+            unregister = {unregister}
+            chain = {chain}
+            filename = {filename!r}
+            fd = {fd}
+
             def func(signum):
                 os.kill(os.getpid(), signum)
 
@@ -534,19 +591,16 @@ class FaultHandlerTests(unittest.TestCase):
                 handler.called = True
             handler.called = False
 
-            exitcode = 0
-            signum = {signum}
-            unregister = {unregister}
-            chain = {chain}
-
-            if {has_filename}:
-                file = open({filename}, "wb")
+            if filename:
+                file = open(filename, "wb")
+            elif fd is not None:
+                file = sys.stderr.fileno()
             else:
                 file = None
             if chain:
                 signal.signal(signum, handler)
             faulthandler.register(signum, file=file,
-                                  all_threads={all_threads}, chain={chain})
+                                  all_threads=all_threads, chain={chain})
             if unregister:
                 faulthandler.unregister(signum)
             func(signum)
@@ -557,17 +611,19 @@ class FaultHandlerTests(unittest.TestCase):
                     output = sys.stderr
                 print("Error: signal handler not called!", file=output)
                 exitcode = 1
-            if file is not None:
+            else:
+                exitcode = 0
+            if filename:
                 file.close()
             sys.exit(exitcode)
             """
         code = code.format(
-            filename=repr(filename),
-            has_filename=bool(filename),
             all_threads=all_threads,
             signum=signum,
             unregister=unregister,
             chain=chain,
+            filename=filename,
+            fd=fd,
         )
         trace, exitcode = self.get_output(code, filename)
         trace = '\n'.join(trace)
@@ -576,7 +632,7 @@ class FaultHandlerTests(unittest.TestCase):
                 regex = 'Current thread XXX \(most recent call first\):\n'
             else:
                 regex = 'Stack \(most recent call first\):\n'
-            regex = expected_traceback(7, 28, regex)
+            regex = expected_traceback(14, 32, regex)
             self.assertRegex(trace, regex)
         else:
             self.assertEqual(trace, '')
@@ -595,6 +651,12 @@ class FaultHandlerTests(unittest.TestCase):
         with temporary_filename() as filename:
             self.check_register(filename=filename)
 
+    @unittest.skipIf(sys.platform == "win32",
+                     "subprocess doesn't support pass_fds on Windows")
+    def test_register_fd(self):
+        with tempfile.TemporaryFile('wb+') as fp:
+            self.check_register(fd=fp.fileno())
+
     def test_register_threads(self):
         self.check_register(all_threads=True)
 
diff --git a/Lib/test/test_file_eintr.py b/Lib/test/test_file_eintr.py
index b4e18ce..f1efd26 100644
--- a/Lib/test/test_file_eintr.py
+++ b/Lib/test/test_file_eintr.py
@@ -13,16 +13,16 @@ import select
 import signal
 import subprocess
 import sys
-from test.support import run_unittest
 import time
 import unittest
 
 # Test import all of the things we're about to try testing up front.
-from _io import FileIO
+import _io
+import _pyio
 
 
 @unittest.skipUnless(os.name == 'posix', 'tests requires a posix system.')
-class TestFileIOSignalInterrupt(unittest.TestCase):
+class TestFileIOSignalInterrupt:
     def setUp(self):
         self._process = None
 
@@ -38,8 +38,9 @@ class TestFileIOSignalInterrupt(unittest.TestCase):
 
         subclasseses should override this to test different IO objects.
         """
-        return ('import _io ;'
-                'infile = _io.FileIO(sys.stdin.fileno(), "rb")')
+        return ('import %s as io ;'
+                'infile = io.FileIO(sys.stdin.fileno(), "rb")' %
+                self.modname)
 
     def fail_with_process_info(self, why, stdout=b'', stderr=b'',
                                communicate=True):
@@ -179,11 +180,19 @@ class TestFileIOSignalInterrupt(unittest.TestCase):
                         expected=b'hello\nworld!\n'))
 
 
+class CTestFileIOSignalInterrupt(TestFileIOSignalInterrupt, unittest.TestCase):
+    modname = '_io'
+
+class PyTestFileIOSignalInterrupt(TestFileIOSignalInterrupt, unittest.TestCase):
+    modname = '_pyio'
+
+
 class TestBufferedIOSignalInterrupt(TestFileIOSignalInterrupt):
     def _generate_infile_setup_code(self):
         """Returns the infile = ... line of code to make a BufferedReader."""
-        return ('infile = open(sys.stdin.fileno(), "rb") ;'
-                'import _io ;assert isinstance(infile, _io.BufferedReader)')
+        return ('import %s as io ;infile = io.open(sys.stdin.fileno(), "rb") ;'
+                'assert isinstance(infile, io.BufferedReader)' %
+                self.modname)
 
     def test_readall(self):
         """BufferedReader.read() must handle signals and not lose data."""
@@ -193,12 +202,20 @@ class TestBufferedIOSignalInterrupt(TestFileIOSignalInterrupt):
                         read_method_name='read',
                         expected=b'hello\nworld!\n'))
 
+class CTestBufferedIOSignalInterrupt(TestBufferedIOSignalInterrupt, unittest.TestCase):
+    modname = '_io'
+
+class PyTestBufferedIOSignalInterrupt(TestBufferedIOSignalInterrupt, unittest.TestCase):
+    modname = '_pyio'
+
 
 class TestTextIOSignalInterrupt(TestFileIOSignalInterrupt):
     def _generate_infile_setup_code(self):
         """Returns the infile = ... line of code to make a TextIOWrapper."""
-        return ('infile = open(sys.stdin.fileno(), "rt", newline=None) ;'
-                'import _io ;assert isinstance(infile, _io.TextIOWrapper)')
+        return ('import %s as io ;'
+                'infile = io.open(sys.stdin.fileno(), "rt", newline=None) ;'
+                'assert isinstance(infile, io.TextIOWrapper)' %
+                self.modname)
 
     def test_readline(self):
         """readline() must handle signals and not lose data."""
@@ -224,13 +241,12 @@ class TestTextIOSignalInterrupt(TestFileIOSignalInterrupt):
                         read_method_name='read',
                         expected="hello\nworld!\n"))
 
+class CTestTextIOSignalInterrupt(TestTextIOSignalInterrupt, unittest.TestCase):
+    modname = '_io'
 
-def test_main():
-    test_cases = [
-            tc for tc in globals().values()
-            if isinstance(tc, type) and issubclass(tc, unittest.TestCase)]
-    run_unittest(*test_cases)
+class PyTestTextIOSignalInterrupt(TestTextIOSignalInterrupt, unittest.TestCase):
+    modname = '_pyio'
 
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index fe5da69..0f8310c 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -12,13 +12,15 @@ from functools import wraps
 from test.support import TESTFN, check_warnings, run_unittest, make_bad_fd, cpython_only
 from collections import UserList
 
-from _io import FileIO as _FileIO
+import _io  # C implementation of io
+import _pyio # Python implementation of io
 
-class AutoFileTests(unittest.TestCase):
+
+class AutoFileTests:
     # file tests for which a test file is automatically set up
 
     def setUp(self):
-        self.f = _FileIO(TESTFN, 'w')
+        self.f = self.FileIO(TESTFN, 'w')
 
     def tearDown(self):
         if self.f:
@@ -60,20 +62,69 @@ class AutoFileTests(unittest.TestCase):
             self.assertRaises((AttributeError, TypeError),
                               setattr, f, attr, 'oops')
 
-    def testReadinto(self):
-        # verify readinto
-        self.f.write(bytes([1, 2]))
+    def testBlksize(self):
+        # test private _blksize attribute
+        blksize = io.DEFAULT_BUFFER_SIZE
+        # try to get preferred blksize from stat.st_blksize, if available
+        if hasattr(os, 'fstat'):
+            fst = os.fstat(self.f.fileno())
+            blksize = getattr(fst, 'st_blksize', blksize)
+        self.assertEqual(self.f._blksize, blksize)
+
+    # verify readinto
+    def testReadintoByteArray(self):
+        self.f.write(bytes([1, 2, 0, 255]))
         self.f.close()
-        a = array('b', b'x'*10)
-        self.f = _FileIO(TESTFN, 'r')
-        n = self.f.readinto(a)
-        self.assertEqual(array('b', [1, 2]), a[:n])
+
+        ba = bytearray(b'abcdefgh')
+        with self.FileIO(TESTFN, 'r') as f:
+            n = f.readinto(ba)
+        self.assertEqual(ba, b'\x01\x02\x00\xffefgh')
+        self.assertEqual(n, 4)
+
+    def _testReadintoMemoryview(self):
+        self.f.write(bytes([1, 2, 0, 255]))
+        self.f.close()
+
+        m = memoryview(bytearray(b'abcdefgh'))
+        with self.FileIO(TESTFN, 'r') as f:
+            n = f.readinto(m)
+        self.assertEqual(m, b'\x01\x02\x00\xffefgh')
+        self.assertEqual(n, 4)
+
+        m = memoryview(bytearray(b'abcdefgh')).cast('H', shape=[2, 2])
+        with self.FileIO(TESTFN, 'r') as f:
+            n = f.readinto(m)
+        self.assertEqual(bytes(m), b'\x01\x02\x00\xffefgh')
+        self.assertEqual(n, 4)
+
+    def _testReadintoArray(self):
+        self.f.write(bytes([1, 2, 0, 255]))
+        self.f.close()
+
+        a = array('B', b'abcdefgh')
+        with self.FileIO(TESTFN, 'r') as f:
+            n = f.readinto(a)
+        self.assertEqual(a, array('B', [1, 2, 0, 255, 101, 102, 103, 104]))
+        self.assertEqual(n, 4)
+
+        a = array('b', b'abcdefgh')
+        with self.FileIO(TESTFN, 'r') as f:
+            n = f.readinto(a)
+        self.assertEqual(a, array('b', [1, 2, 0, -1, 101, 102, 103, 104]))
+        self.assertEqual(n, 4)
+
+        a = array('I', b'abcdefgh')
+        with self.FileIO(TESTFN, 'r') as f:
+            n = f.readinto(a)
+        self.assertEqual(a, array('I', b'\x01\x02\x00\xffefgh'))
+        self.assertEqual(n, 4)
 
     def testWritelinesList(self):
         l = [b'123', b'456']
         self.f.writelines(l)
         self.f.close()
-        self.f = _FileIO(TESTFN, 'rb')
+        self.f = self.FileIO(TESTFN, 'rb')
         buf = self.f.read()
         self.assertEqual(buf, b'123456')
 
@@ -81,7 +132,7 @@ class AutoFileTests(unittest.TestCase):
         l = UserList([b'123', b'456'])
         self.f.writelines(l)
         self.f.close()
-        self.f = _FileIO(TESTFN, 'rb')
+        self.f = self.FileIO(TESTFN, 'rb')
         buf = self.f.read()
         self.assertEqual(buf, b'123456')
 
@@ -93,7 +144,7 @@ class AutoFileTests(unittest.TestCase):
     def test_none_args(self):
         self.f.write(b"hi\nbye\nabc")
         self.f.close()
-        self.f = _FileIO(TESTFN, 'r')
+        self.f = self.FileIO(TESTFN, 'r')
         self.assertEqual(self.f.read(None), b"hi\nbye\nabc")
         self.f.seek(0)
         self.assertEqual(self.f.readline(None), b"hi\n")
@@ -103,13 +154,26 @@ class AutoFileTests(unittest.TestCase):
         self.assertRaises(TypeError, self.f.write, "Hello!")
 
     def testRepr(self):
-        self.assertEqual(repr(self.f), "<_io.FileIO name=%r mode=%r>"
-                                        % (self.f.name, self.f.mode))
+        self.assertEqual(repr(self.f),
+                         "<%s.FileIO name=%r mode=%r closefd=True>" %
+                         (self.modulename, self.f.name, self.f.mode))
         del self.f.name
-        self.assertEqual(repr(self.f), "<_io.FileIO fd=%r mode=%r>"
-                                        % (self.f.fileno(), self.f.mode))
+        self.assertEqual(repr(self.f),
+                         "<%s.FileIO fd=%r mode=%r closefd=True>" %
+                         (self.modulename, self.f.fileno(), self.f.mode))
         self.f.close()
-        self.assertEqual(repr(self.f), "<_io.FileIO [closed]>")
+        self.assertEqual(repr(self.f),
+                         "<%s.FileIO [closed]>" % (self.modulename,))
+
+    def testReprNoCloseFD(self):
+        fd = os.open(TESTFN, os.O_RDONLY)
+        try:
+            with self.FileIO(fd, 'r', closefd=False) as f:
+                self.assertEqual(repr(f),
+                                 "<%s.FileIO name=%r mode=%r closefd=False>" %
+                                 (self.modulename, f.name, f.mode))
+        finally:
+            os.close(fd)
 
     def testErrors(self):
         f = self.f
@@ -119,7 +183,7 @@ class AutoFileTests(unittest.TestCase):
         self.assertRaises(ValueError, f.read, 10) # Open for reading
         f.close()
         self.assertTrue(f.closed)
-        f = _FileIO(TESTFN, 'r')
+        f = self.FileIO(TESTFN, 'r')
         self.assertRaises(TypeError, f.readinto, "")
         self.assertTrue(not f.closed)
         f.close()
@@ -138,11 +202,11 @@ class AutoFileTests(unittest.TestCase):
             # should raise on closed file
             self.assertRaises(ValueError, method)
 
-        self.assertRaises(ValueError, self.f.readinto) # XXX should be TypeError?
+        self.assertRaises(TypeError, self.f.readinto)
         self.assertRaises(ValueError, self.f.readinto, bytearray(1))
-        self.assertRaises(ValueError, self.f.seek)
+        self.assertRaises(TypeError, self.f.seek)
         self.assertRaises(ValueError, self.f.seek, 0)
-        self.assertRaises(ValueError, self.f.write)
+        self.assertRaises(TypeError, self.f.write)
         self.assertRaises(ValueError, self.f.write, b'')
         self.assertRaises(TypeError, self.f.writelines)
         self.assertRaises(ValueError, self.f.writelines, b'')
@@ -150,9 +214,9 @@ class AutoFileTests(unittest.TestCase):
     def testOpendir(self):
         # Issue 3703: opening a directory should fill the errno
         # Windows always returns "[Errno 13]: Permission denied
-        # Unix calls dircheck() and returns "[Errno 21]: Is a directory"
+        # Unix uses fstat and returns "[Errno 21]: Is a directory"
         try:
-            _FileIO('.', 'r')
+            self.FileIO('.', 'r')
         except OSError as e:
             self.assertNotEqual(e.errno, 0)
             self.assertEqual(e.filename, ".")
@@ -163,7 +227,7 @@ class AutoFileTests(unittest.TestCase):
     def testOpenDirFD(self):
         fd = os.open('.', os.O_RDONLY)
         with self.assertRaises(OSError) as cm:
-            _FileIO(fd, 'r')
+            self.FileIO(fd, 'r')
         os.close(fd)
         self.assertEqual(cm.exception.errno, errno.EISDIR)
 
@@ -248,7 +312,7 @@ class AutoFileTests(unittest.TestCase):
             self.f.close()
         except OSError:
             pass
-        self.f = _FileIO(TESTFN, 'r')
+        self.f = self.FileIO(TESTFN, 'r')
         os.close(self.f.fileno())
         return self.f
 
@@ -268,23 +332,32 @@ class AutoFileTests(unittest.TestCase):
         a = array('b', b'x'*10)
         f.readinto(a)
 
-class OtherFileTests(unittest.TestCase):
+class CAutoFileTests(AutoFileTests, unittest.TestCase):
+    FileIO = _io.FileIO
+    modulename = '_io'
+
+class PyAutoFileTests(AutoFileTests, unittest.TestCase):
+    FileIO = _pyio.FileIO
+    modulename = '_pyio'
+
+
+class OtherFileTests:
 
     def testAbles(self):
         try:
-            f = _FileIO(TESTFN, "w")
+            f = self.FileIO(TESTFN, "w")
             self.assertEqual(f.readable(), False)
             self.assertEqual(f.writable(), True)
             self.assertEqual(f.seekable(), True)
             f.close()
 
-            f = _FileIO(TESTFN, "r")
+            f = self.FileIO(TESTFN, "r")
             self.assertEqual(f.readable(), True)
             self.assertEqual(f.writable(), False)
             self.assertEqual(f.seekable(), True)
             f.close()
 
-            f = _FileIO(TESTFN, "a+")
+            f = self.FileIO(TESTFN, "a+")
             self.assertEqual(f.readable(), True)
             self.assertEqual(f.writable(), True)
             self.assertEqual(f.seekable(), True)
@@ -293,7 +366,7 @@ class OtherFileTests(unittest.TestCase):
 
             if sys.platform != "win32":
                 try:
-                    f = _FileIO("/dev/tty", "a")
+                    f = self.FileIO("/dev/tty", "a")
                 except OSError:
                     # When run in a cron job there just aren't any
                     # ttys, so skip the test.  This also handles other
@@ -316,7 +389,7 @@ class OtherFileTests(unittest.TestCase):
         # check invalid mode strings
         for mode in ("", "aU", "wU+", "rw", "rt"):
             try:
-                f = _FileIO(TESTFN, mode)
+                f = self.FileIO(TESTFN, mode)
             except ValueError:
                 pass
             else:
@@ -332,7 +405,7 @@ class OtherFileTests(unittest.TestCase):
                           ('ab+', 'ab+'), ('a+b', 'ab+'), ('r', 'rb'),
                           ('rb', 'rb'), ('rb+', 'rb+'), ('r+b', 'rb+')]:
                 # read modes are last so that TESTFN will exist first
-                with _FileIO(TESTFN, modes[0]) as f:
+                with self.FileIO(TESTFN, modes[0]) as f:
                     self.assertEqual(f.mode, modes[1])
         finally:
             if os.path.exists(TESTFN):
@@ -340,7 +413,7 @@ class OtherFileTests(unittest.TestCase):
 
     def testUnicodeOpen(self):
         # verify repr works for unicode too
-        f = _FileIO(str(TESTFN), "w")
+        f = self.FileIO(str(TESTFN), "w")
         f.close()
         os.unlink(TESTFN)
 
@@ -350,7 +423,7 @@ class OtherFileTests(unittest.TestCase):
             fn = TESTFN.encode("ascii")
         except UnicodeEncodeError:
             self.skipTest('could not encode %r to ascii' % TESTFN)
-        f = _FileIO(fn, "w")
+        f = self.FileIO(fn, "w")
         try:
             f.write(b"abc")
             f.close()
@@ -361,28 +434,21 @@ class OtherFileTests(unittest.TestCase):
 
     def testConstructorHandlesNULChars(self):
         fn_with_NUL = 'foo\0bar'
-        self.assertRaises(TypeError, _FileIO, fn_with_NUL, 'w')
-        self.assertRaises(TypeError, _FileIO, bytes(fn_with_NUL, 'ascii'), 'w')
+        self.assertRaises(ValueError, self.FileIO, fn_with_NUL, 'w')
+        self.assertRaises(ValueError, self.FileIO, bytes(fn_with_NUL, 'ascii'), 'w')
 
     def testInvalidFd(self):
-        self.assertRaises(ValueError, _FileIO, -10)
-        self.assertRaises(OSError, _FileIO, make_bad_fd())
+        self.assertRaises(ValueError, self.FileIO, -10)
+        self.assertRaises(OSError, self.FileIO, make_bad_fd())
         if sys.platform == 'win32':
             import msvcrt
             self.assertRaises(OSError, msvcrt.get_osfhandle, make_bad_fd())
 
-    @cpython_only
-    def testInvalidFd_overflow(self):
-        # Issue 15989
-        import _testcapi
-        self.assertRaises(TypeError, _FileIO, _testcapi.INT_MAX + 1)
-        self.assertRaises(TypeError, _FileIO, _testcapi.INT_MIN - 1)
-
     def testBadModeArgument(self):
         # verify that we get a sensible error message for bad mode argument
         bad_mode = "qwerty"
         try:
-            f = _FileIO(TESTFN, bad_mode)
+            f = self.FileIO(TESTFN, bad_mode)
         except ValueError as msg:
             if msg.args[0] != 0:
                 s = str(msg)
@@ -395,7 +461,7 @@ class OtherFileTests(unittest.TestCase):
             self.fail("no error for invalid mode: %s" % bad_mode)
 
     def testTruncate(self):
-        f = _FileIO(TESTFN, 'w')
+        f = self.FileIO(TESTFN, 'w')
         f.write(bytes(bytearray(range(10))))
         self.assertEqual(f.tell(), 10)
         f.truncate(5)
@@ -410,11 +476,11 @@ class OtherFileTests(unittest.TestCase):
         def bug801631():
             # SF bug <http://www.python.org/sf/801631>
             # "file.truncate fault on windows"
-            f = _FileIO(TESTFN, 'w')
+            f = self.FileIO(TESTFN, 'w')
             f.write(bytes(range(11)))
             f.close()
 
-            f = _FileIO(TESTFN,'r+')
+            f = self.FileIO(TESTFN,'r+')
             data = f.read(5)
             if data != bytes(range(5)):
                 self.fail("Read on file opened for update failed %r" % data)
@@ -454,19 +520,19 @@ class OtherFileTests(unittest.TestCase):
                 pass
 
     def testInvalidInit(self):
-        self.assertRaises(TypeError, _FileIO, "1", 0, 0)
+        self.assertRaises(TypeError, self.FileIO, "1", 0, 0)
 
     def testWarnings(self):
         with check_warnings(quiet=True) as w:
             self.assertEqual(w.warnings, [])
-            self.assertRaises(TypeError, _FileIO, [])
+            self.assertRaises(TypeError, self.FileIO, [])
             self.assertEqual(w.warnings, [])
-            self.assertRaises(ValueError, _FileIO, "/some/invalid/name", "rt")
+            self.assertRaises(ValueError, self.FileIO, "/some/invalid/name", "rt")
             self.assertEqual(w.warnings, [])
 
     def testUnclosedFDOnException(self):
         class MyException(Exception): pass
-        class MyFileIO(_FileIO):
+        class MyFileIO(self.FileIO):
             def __setattr__(self, name, value):
                 if name == "name":
                     raise MyException("blocked setting name")
@@ -475,12 +541,28 @@ class OtherFileTests(unittest.TestCase):
         self.assertRaises(MyException, MyFileIO, fd)
         os.close(fd)  # should not raise OSError(EBADF)
 
+class COtherFileTests(OtherFileTests, unittest.TestCase):
+    FileIO = _io.FileIO
+    modulename = '_io'
+
+    @cpython_only
+    def testInvalidFd_overflow(self):
+        # Issue 15989
+        import _testcapi
+        self.assertRaises(TypeError, self.FileIO, _testcapi.INT_MAX + 1)
+        self.assertRaises(TypeError, self.FileIO, _testcapi.INT_MIN - 1)
+
+class PyOtherFileTests(OtherFileTests, unittest.TestCase):
+    FileIO = _pyio.FileIO
+    modulename = '_pyio'
+
 
 def test_main():
     # Historically, these tests have been sloppy about removing TESTFN.
     # So get rid of it no matter what.
     try:
-        run_unittest(AutoFileTests, OtherFileTests)
+        run_unittest(CAutoFileTests, PyAutoFileTests,
+                     COtherFileTests, PyOtherFileTests)
     finally:
         if os.path.exists(TESTFN):
             os.unlink(TESTFN)
diff --git a/Lib/test/test_finalization.py b/Lib/test/test_finalization.py
index 03ac1aa..35d7913 100644
--- a/Lib/test/test_finalization.py
+++ b/Lib/test/test_finalization.py
@@ -515,8 +515,5 @@ class LegacyFinalizationTest(TestBase, unittest.TestCase):
         self.assertIs(wr(), None)
 
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index e87aab0..4251090 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -773,6 +773,14 @@ class RoundTestCase(unittest.TestCase):
             test(sfmt, NAN, ' nan')
             test(sfmt, -NAN, ' nan')
 
+    def test_None_ndigits(self):
+        for x in round(1.23), round(1.23, None), round(1.23, ndigits=None):
+            self.assertEqual(x, 1)
+            self.assertIsInstance(x, int)
+        for x in round(1.78), round(1.78, None), round(1.78, ndigits=None):
+            self.assertEqual(x, 2)
+            self.assertIsInstance(x, int)
+
 
 # Beginning with Python 2.6 float has cross platform compatible
 # ways to create and represent inf and nan
@@ -1299,18 +1307,5 @@ class HexFloatTestCase(unittest.TestCase):
                 self.identical(x, fromHex(toHex(x)))
 
 
-def test_main():
-    support.run_unittest(
-        GeneralFloatCases,
-        FormatFunctionsTestCase,
-        UnknownFormatTestCase,
-        IEEEFormatTestCase,
-        FormatTestCase,
-        ReprTestCase,
-        RoundTestCase,
-        InfNanTest,
-        HexFloatTestCase,
-        )
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_flufl.py b/Lib/test/test_flufl.py
index 5a709bc..98b5bd6 100644
--- a/Lib/test/test_flufl.py
+++ b/Lib/test/test_flufl.py
@@ -18,10 +18,5 @@ class FLUFLTests(unittest.TestCase):
                             '<FLUFL test>', 'exec')
 
 
-def test_main():
-    from test.support import run_unittest
-    run_unittest(FLUFLTests)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_fnmatch.py b/Lib/test/test_fnmatch.py
index 482835d..fa37f90 100644
--- a/Lib/test/test_fnmatch.py
+++ b/Lib/test/test_fnmatch.py
@@ -1,6 +1,5 @@
 """Test cases for the fnmatch module."""
 
-from test import support
 import unittest
 
 from fnmatch import fnmatch, fnmatchcase, translate, filter
@@ -79,11 +78,5 @@ class FilterTestCase(unittest.TestCase):
         self.assertEqual(filter(['a', 'b'], 'a'), ['a'])
 
 
-def test_main():
-    support.run_unittest(FnmatchTestCase,
-                         TranslateTestCase,
-                         FilterTestCase)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_fork1.py b/Lib/test/test_fork1.py
index e0626df..eeba306 100644
--- a/Lib/test/test_fork1.py
+++ b/Lib/test/test_fork1.py
@@ -8,7 +8,7 @@ import sys
 import time
 
 from test.fork_wait import ForkWait
-from test.support import (run_unittest, reap_children, get_attribute,
+from test.support import (reap_children, get_attribute,
                           import_module, verbose)
 
 threading = import_module('threading')
@@ -18,13 +18,14 @@ get_attribute(os, 'fork')
 
 class ForkTest(ForkWait):
     def wait_impl(self, cpid):
-        for i in range(10):
+        deadline = time.monotonic() + 10.0
+        while time.monotonic() <= deadline:
             # waitpid() shouldn't hang, but some of the buildbots seem to hang
             # in the forking tests.  This is an attempt to fix the problem.
             spid, status = os.waitpid(cpid, os.WNOHANG)
             if spid == cpid:
                 break
-            time.sleep(1.0)
+            time.sleep(0.1)
 
         self.assertEqual(spid, cpid)
         self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
@@ -103,9 +104,8 @@ class ForkTest(ForkWait):
             fork_with_import_lock(level)
 
 
-def test_main():
-    run_unittest(ForkTest)
+def tearDownModule():
     reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py
index fc71e48..9b13632 100644
--- a/Lib/test/test_format.py
+++ b/Lib/test/test_format.py
@@ -9,7 +9,7 @@ maxsize = support.MAX_Py_ssize_t
 # test string formatting operator (I am not sure if this is being tested
 # elsewhere but, surely, some of the given cases are *not* tested because
 # they crash python)
-# test on unicode strings as well
+# test on bytes object as well
 
 def testformat(formatstr, args, output=None, limit=None, overflowok=False):
     if verbose:
@@ -46,191 +46,209 @@ def testformat(formatstr, args, output=None, limit=None, overflowok=False):
             if verbose:
                 print('yes')
 
+def testcommon(formatstr, args, output=None, limit=None, overflowok=False):
+    # if formatstr is a str, test str, bytes, and bytearray;
+    # otherwise, test bytes and bytearry
+    if isinstance(formatstr, str):
+        testformat(formatstr, args, output, limit, overflowok)
+        b_format = formatstr.encode('ascii')
+    else:
+        b_format = formatstr
+    ba_format = bytearray(b_format)
+    b_args = []
+    if not isinstance(args, tuple):
+        args = (args, )
+    b_args = tuple(args)
+    if output is None:
+        b_output = ba_output = None
+    else:
+        if isinstance(output, str):
+            b_output = output.encode('ascii')
+        else:
+            b_output = output
+        ba_output = bytearray(b_output)
+    testformat(b_format, b_args, b_output, limit, overflowok)
+    testformat(ba_format, b_args, ba_output, limit, overflowok)
+
 
 class FormatTest(unittest.TestCase):
-    def test_format(self):
-        testformat("%.1d", (1,), "1")
-        testformat("%.*d", (sys.maxsize,1), overflowok=True)  # expect overflow
-        testformat("%.100d", (1,), '00000000000000000000000000000000000000'
+
+    def test_common_format(self):
+        # test the format identifiers that work the same across
+        # str, bytes, and bytearrays (integer, float, oct, hex)
+        testcommon("%.1d", (1,), "1")
+        testcommon("%.*d", (sys.maxsize,1), overflowok=True)  # expect overflow
+        testcommon("%.100d", (1,), '00000000000000000000000000000000000000'
                  '000000000000000000000000000000000000000000000000000000'
                  '00000001', overflowok=True)
-        testformat("%#.117x", (1,), '0x00000000000000000000000000000000000'
+        testcommon("%#.117x", (1,), '0x00000000000000000000000000000000000'
                  '000000000000000000000000000000000000000000000000000000'
                  '0000000000000000000000000001',
                  overflowok=True)
-        testformat("%#.118x", (1,), '0x00000000000000000000000000000000000'
+        testcommon("%#.118x", (1,), '0x00000000000000000000000000000000000'
                  '000000000000000000000000000000000000000000000000000000'
                  '00000000000000000000000000001',
                  overflowok=True)
 
-        testformat("%f", (1.0,), "1.000000")
+        testcommon("%f", (1.0,), "1.000000")
         # these are trying to test the limits of the internal magic-number-length
         # formatting buffer, if that number changes then these tests are less
         # effective
-        testformat("%#.*g", (109, -1.e+49/3.))
-        testformat("%#.*g", (110, -1.e+49/3.))
-        testformat("%#.*g", (110, -1.e+100/3.))
+        testcommon("%#.*g", (109, -1.e+49/3.))
+        testcommon("%#.*g", (110, -1.e+49/3.))
+        testcommon("%#.*g", (110, -1.e+100/3.))
         # test some ridiculously large precision, expect overflow
-        testformat('%12.*f', (123456, 1.0))
+        testcommon('%12.*f', (123456, 1.0))
 
         # check for internal overflow validation on length of precision
         # these tests should no longer cause overflow in Python
         # 2.7/3.1 and later.
-        testformat("%#.*g", (110, -1.e+100/3.))
-        testformat("%#.*G", (110, -1.e+100/3.))
-        testformat("%#.*f", (110, -1.e+100/3.))
-        testformat("%#.*F", (110, -1.e+100/3.))
+        testcommon("%#.*g", (110, -1.e+100/3.))
+        testcommon("%#.*G", (110, -1.e+100/3.))
+        testcommon("%#.*f", (110, -1.e+100/3.))
+        testcommon("%#.*F", (110, -1.e+100/3.))
         # Formatting of integers. Overflow is not ok
-        testformat("%x", 10, "a")
-        testformat("%x", 100000000000, "174876e800")
-        testformat("%o", 10, "12")
-        testformat("%o", 100000000000, "1351035564000")
-        testformat("%d", 10, "10")
-        testformat("%d", 100000000000, "100000000000")
+        testcommon("%x", 10, "a")
+        testcommon("%x", 100000000000, "174876e800")
+        testcommon("%o", 10, "12")
+        testcommon("%o", 100000000000, "1351035564000")
+        testcommon("%d", 10, "10")
+        testcommon("%d", 100000000000, "100000000000")
         big = 123456789012345678901234567890
-        testformat("%d", big, "123456789012345678901234567890")
-        testformat("%d", -big, "-123456789012345678901234567890")
-        testformat("%5d", -big, "-123456789012345678901234567890")
-        testformat("%31d", -big, "-123456789012345678901234567890")
-        testformat("%32d", -big, " -123456789012345678901234567890")
-        testformat("%-32d", -big, "-123456789012345678901234567890 ")
-        testformat("%032d", -big, "-0123456789012345678901234567890")
-        testformat("%-032d", -big, "-123456789012345678901234567890 ")
-        testformat("%034d", -big, "-000123456789012345678901234567890")
-        testformat("%034d", big, "0000123456789012345678901234567890")
-        testformat("%0+34d", big, "+000123456789012345678901234567890")
-        testformat("%+34d", big, "   +123456789012345678901234567890")
-        testformat("%34d", big, "    123456789012345678901234567890")
-        testformat("%.2d", big, "123456789012345678901234567890")
-        testformat("%.30d", big, "123456789012345678901234567890")
-        testformat("%.31d", big, "0123456789012345678901234567890")
-        testformat("%32.31d", big, " 0123456789012345678901234567890")
-        testformat("%d", float(big), "123456________________________", 6)
+        testcommon("%d", big, "123456789012345678901234567890")
+        testcommon("%d", -big, "-123456789012345678901234567890")
+        testcommon("%5d", -big, "-123456789012345678901234567890")
+        testcommon("%31d", -big, "-123456789012345678901234567890")
+        testcommon("%32d", -big, " -123456789012345678901234567890")
+        testcommon("%-32d", -big, "-123456789012345678901234567890 ")
+        testcommon("%032d", -big, "-0123456789012345678901234567890")
+        testcommon("%-032d", -big, "-123456789012345678901234567890 ")
+        testcommon("%034d", -big, "-000123456789012345678901234567890")
+        testcommon("%034d", big, "0000123456789012345678901234567890")
+        testcommon("%0+34d", big, "+000123456789012345678901234567890")
+        testcommon("%+34d", big, "   +123456789012345678901234567890")
+        testcommon("%34d", big, "    123456789012345678901234567890")
+        testcommon("%.2d", big, "123456789012345678901234567890")
+        testcommon("%.30d", big, "123456789012345678901234567890")
+        testcommon("%.31d", big, "0123456789012345678901234567890")
+        testcommon("%32.31d", big, " 0123456789012345678901234567890")
+        testcommon("%d", float(big), "123456________________________", 6)
         big = 0x1234567890abcdef12345  # 21 hex digits
-        testformat("%x", big, "1234567890abcdef12345")
-        testformat("%x", -big, "-1234567890abcdef12345")
-        testformat("%5x", -big, "-1234567890abcdef12345")
-        testformat("%22x", -big, "-1234567890abcdef12345")
-        testformat("%23x", -big, " -1234567890abcdef12345")
-        testformat("%-23x", -big, "-1234567890abcdef12345 ")
-        testformat("%023x", -big, "-01234567890abcdef12345")
-        testformat("%-023x", -big, "-1234567890abcdef12345 ")
-        testformat("%025x", -big, "-0001234567890abcdef12345")
-        testformat("%025x", big, "00001234567890abcdef12345")
-        testformat("%0+25x", big, "+0001234567890abcdef12345")
-        testformat("%+25x", big, "   +1234567890abcdef12345")
-        testformat("%25x", big, "    1234567890abcdef12345")
-        testformat("%.2x", big, "1234567890abcdef12345")
-        testformat("%.21x", big, "1234567890abcdef12345")
-        testformat("%.22x", big, "01234567890abcdef12345")
-        testformat("%23.22x", big, " 01234567890abcdef12345")
-        testformat("%-23.22x", big, "01234567890abcdef12345 ")
-        testformat("%X", big, "1234567890ABCDEF12345")
-        testformat("%#X", big, "0X1234567890ABCDEF12345")
-        testformat("%#x", big, "0x1234567890abcdef12345")
-        testformat("%#x", -big, "-0x1234567890abcdef12345")
-        testformat("%#.23x", -big, "-0x001234567890abcdef12345")
-        testformat("%#+.23x", big, "+0x001234567890abcdef12345")
-        testformat("%# .23x", big, " 0x001234567890abcdef12345")
-        testformat("%#+.23X", big, "+0X001234567890ABCDEF12345")
-        testformat("%#-+.23X", big, "+0X001234567890ABCDEF12345")
-        testformat("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
-        testformat("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
-        testformat("%#+27.23X", big, " +0X001234567890ABCDEF12345")
+        testcommon("%x", big, "1234567890abcdef12345")
+        testcommon("%x", -big, "-1234567890abcdef12345")
+        testcommon("%5x", -big, "-1234567890abcdef12345")
+        testcommon("%22x", -big, "-1234567890abcdef12345")
+        testcommon("%23x", -big, " -1234567890abcdef12345")
+        testcommon("%-23x", -big, "-1234567890abcdef12345 ")
+        testcommon("%023x", -big, "-01234567890abcdef12345")
+        testcommon("%-023x", -big, "-1234567890abcdef12345 ")
+        testcommon("%025x", -big, "-0001234567890abcdef12345")
+        testcommon("%025x", big, "00001234567890abcdef12345")
+        testcommon("%0+25x", big, "+0001234567890abcdef12345")
+        testcommon("%+25x", big, "   +1234567890abcdef12345")
+        testcommon("%25x", big, "    1234567890abcdef12345")
+        testcommon("%.2x", big, "1234567890abcdef12345")
+        testcommon("%.21x", big, "1234567890abcdef12345")
+        testcommon("%.22x", big, "01234567890abcdef12345")
+        testcommon("%23.22x", big, " 01234567890abcdef12345")
+        testcommon("%-23.22x", big, "01234567890abcdef12345 ")
+        testcommon("%X", big, "1234567890ABCDEF12345")
+        testcommon("%#X", big, "0X1234567890ABCDEF12345")
+        testcommon("%#x", big, "0x1234567890abcdef12345")
+        testcommon("%#x", -big, "-0x1234567890abcdef12345")
+        testcommon("%#.23x", -big, "-0x001234567890abcdef12345")
+        testcommon("%#+.23x", big, "+0x001234567890abcdef12345")
+        testcommon("%# .23x", big, " 0x001234567890abcdef12345")
+        testcommon("%#+.23X", big, "+0X001234567890ABCDEF12345")
+        testcommon("%#-+.23X", big, "+0X001234567890ABCDEF12345")
+        testcommon("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
+        testcommon("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
+        testcommon("%#+27.23X", big, " +0X001234567890ABCDEF12345")
         # next one gets two leading zeroes from precision, and another from the
         # 0 flag and the width
-        testformat("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
+        testcommon("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
         # same, except no 0 flag
-        testformat("%#+27.23X", big, " +0X001234567890ABCDEF12345")
-        with self.assertWarns(DeprecationWarning):
-            testformat("%x", float(big), "123456_______________", 6)
+        testcommon("%#+27.23X", big, " +0X001234567890ABCDEF12345")
         big = 0o12345670123456701234567012345670  # 32 octal digits
-        testformat("%o", big, "12345670123456701234567012345670")
-        testformat("%o", -big, "-12345670123456701234567012345670")
-        testformat("%5o", -big, "-12345670123456701234567012345670")
-        testformat("%33o", -big, "-12345670123456701234567012345670")
-        testformat("%34o", -big, " -12345670123456701234567012345670")
-        testformat("%-34o", -big, "-12345670123456701234567012345670 ")
-        testformat("%034o", -big, "-012345670123456701234567012345670")
-        testformat("%-034o", -big, "-12345670123456701234567012345670 ")
-        testformat("%036o", -big, "-00012345670123456701234567012345670")
-        testformat("%036o", big, "000012345670123456701234567012345670")
-        testformat("%0+36o", big, "+00012345670123456701234567012345670")
-        testformat("%+36o", big, "   +12345670123456701234567012345670")
-        testformat("%36o", big, "    12345670123456701234567012345670")
-        testformat("%.2o", big, "12345670123456701234567012345670")
-        testformat("%.32o", big, "12345670123456701234567012345670")
-        testformat("%.33o", big, "012345670123456701234567012345670")
-        testformat("%34.33o", big, " 012345670123456701234567012345670")
-        testformat("%-34.33o", big, "012345670123456701234567012345670 ")
-        testformat("%o", big, "12345670123456701234567012345670")
-        testformat("%#o", big, "0o12345670123456701234567012345670")
-        testformat("%#o", -big, "-0o12345670123456701234567012345670")
-        testformat("%#.34o", -big, "-0o0012345670123456701234567012345670")
-        testformat("%#+.34o", big, "+0o0012345670123456701234567012345670")
-        testformat("%# .34o", big, " 0o0012345670123456701234567012345670")
-        testformat("%#+.34o", big, "+0o0012345670123456701234567012345670")
-        testformat("%#-+.34o", big, "+0o0012345670123456701234567012345670")
-        testformat("%#-+37.34o", big, "+0o0012345670123456701234567012345670")
-        testformat("%#+37.34o", big, "+0o0012345670123456701234567012345670")
+        testcommon("%o", big, "12345670123456701234567012345670")
+        testcommon("%o", -big, "-12345670123456701234567012345670")
+        testcommon("%5o", -big, "-12345670123456701234567012345670")
+        testcommon("%33o", -big, "-12345670123456701234567012345670")
+        testcommon("%34o", -big, " -12345670123456701234567012345670")
+        testcommon("%-34o", -big, "-12345670123456701234567012345670 ")
+        testcommon("%034o", -big, "-012345670123456701234567012345670")
+        testcommon("%-034o", -big, "-12345670123456701234567012345670 ")
+        testcommon("%036o", -big, "-00012345670123456701234567012345670")
+        testcommon("%036o", big, "000012345670123456701234567012345670")
+        testcommon("%0+36o", big, "+00012345670123456701234567012345670")
+        testcommon("%+36o", big, "   +12345670123456701234567012345670")
+        testcommon("%36o", big, "    12345670123456701234567012345670")
+        testcommon("%.2o", big, "12345670123456701234567012345670")
+        testcommon("%.32o", big, "12345670123456701234567012345670")
+        testcommon("%.33o", big, "012345670123456701234567012345670")
+        testcommon("%34.33o", big, " 012345670123456701234567012345670")
+        testcommon("%-34.33o", big, "012345670123456701234567012345670 ")
+        testcommon("%o", big, "12345670123456701234567012345670")
+        testcommon("%#o", big, "0o12345670123456701234567012345670")
+        testcommon("%#o", -big, "-0o12345670123456701234567012345670")
+        testcommon("%#.34o", -big, "-0o0012345670123456701234567012345670")
+        testcommon("%#+.34o", big, "+0o0012345670123456701234567012345670")
+        testcommon("%# .34o", big, " 0o0012345670123456701234567012345670")
+        testcommon("%#+.34o", big, "+0o0012345670123456701234567012345670")
+        testcommon("%#-+.34o", big, "+0o0012345670123456701234567012345670")
+        testcommon("%#-+37.34o", big, "+0o0012345670123456701234567012345670")
+        testcommon("%#+37.34o", big, "+0o0012345670123456701234567012345670")
         # next one gets one leading zero from precision
-        testformat("%.33o", big, "012345670123456701234567012345670")
+        testcommon("%.33o", big, "012345670123456701234567012345670")
         # base marker shouldn't change that, since "0" is redundant
-        testformat("%#.33o", big, "0o012345670123456701234567012345670")
+        testcommon("%#.33o", big, "0o012345670123456701234567012345670")
         # but reduce precision, and base marker should add a zero
-        testformat("%#.32o", big, "0o12345670123456701234567012345670")
+        testcommon("%#.32o", big, "0o12345670123456701234567012345670")
         # one leading zero from precision, and another from "0" flag & width
-        testformat("%034.33o", big, "0012345670123456701234567012345670")
+        testcommon("%034.33o", big, "0012345670123456701234567012345670")
         # base marker shouldn't change that
-        testformat("%0#34.33o", big, "0o012345670123456701234567012345670")
-        with self.assertWarns(DeprecationWarning):
-            testformat("%o", float(big), "123456__________________________", 6)
+        testcommon("%0#34.33o", big, "0o012345670123456701234567012345670")
         # Some small ints, in both Python int and flavors).
-        testformat("%d", 42, "42")
-        testformat("%d", -42, "-42")
-        testformat("%d", 42, "42")
-        testformat("%d", -42, "-42")
-        testformat("%d", 42.0, "42")
-        testformat("%#x", 1, "0x1")
-        testformat("%#x", 1, "0x1")
-        testformat("%#X", 1, "0X1")
-        testformat("%#X", 1, "0X1")
-        with self.assertWarns(DeprecationWarning):
-            testformat("%#x", 1.0, "0x1")
-        testformat("%#o", 1, "0o1")
-        testformat("%#o", 1, "0o1")
-        testformat("%#o", 0, "0o0")
-        testformat("%#o", 0, "0o0")
-        testformat("%o", 0, "0")
-        testformat("%o", 0, "0")
-        testformat("%d", 0, "0")
-        testformat("%d", 0, "0")
-        testformat("%#x", 0, "0x0")
-        testformat("%#x", 0, "0x0")
-        testformat("%#X", 0, "0X0")
-        testformat("%#X", 0, "0X0")
-        testformat("%x", 0x42, "42")
-        testformat("%x", -0x42, "-42")
-        testformat("%x", 0x42, "42")
-        testformat("%x", -0x42, "-42")
-        with self.assertWarns(DeprecationWarning):
-            testformat("%x", float(0x42), "42")
-        testformat("%o", 0o42, "42")
-        testformat("%o", -0o42, "-42")
-        testformat("%o", 0o42, "42")
-        testformat("%o", -0o42, "-42")
-        with self.assertWarns(DeprecationWarning):
-            testformat("%o", float(0o42), "42")
+        testcommon("%d", 42, "42")
+        testcommon("%d", -42, "-42")
+        testcommon("%d", 42, "42")
+        testcommon("%d", -42, "-42")
+        testcommon("%d", 42.0, "42")
+        testcommon("%#x", 1, "0x1")
+        testcommon("%#x", 1, "0x1")
+        testcommon("%#X", 1, "0X1")
+        testcommon("%#X", 1, "0X1")
+        testcommon("%#o", 1, "0o1")
+        testcommon("%#o", 1, "0o1")
+        testcommon("%#o", 0, "0o0")
+        testcommon("%#o", 0, "0o0")
+        testcommon("%o", 0, "0")
+        testcommon("%o", 0, "0")
+        testcommon("%d", 0, "0")
+        testcommon("%d", 0, "0")
+        testcommon("%#x", 0, "0x0")
+        testcommon("%#x", 0, "0x0")
+        testcommon("%#X", 0, "0X0")
+        testcommon("%#X", 0, "0X0")
+        testcommon("%x", 0x42, "42")
+        testcommon("%x", -0x42, "-42")
+        testcommon("%x", 0x42, "42")
+        testcommon("%x", -0x42, "-42")
+        testcommon("%o", 0o42, "42")
+        testcommon("%o", -0o42, "-42")
+        testcommon("%o", 0o42, "42")
+        testcommon("%o", -0o42, "-42")
+        # alternate float formatting
+        testcommon('%g', 1.1, '1.1')
+        testcommon('%#g', 1.1, '1.10000')
+
+    def test_str_format(self):
         testformat("%r", "\u0378", "'\\u0378'")  # non printable
         testformat("%a", "\u0378", "'\\u0378'")  # non printable
         testformat("%r", "\u0374", "'\u0374'")   # printable
         testformat("%a", "\u0374", "'\\u0374'")  # printable
 
-        # alternate float formatting
-        testformat('%g', 1.1, '1.1')
-        testformat('%#g', 1.1, '1.10000')
-
-        # Test exception for unknown format characters
+        # Test exception for unknown format characters, etc.
         if verbose:
             print('Testing exceptions')
         def test_exc(formatstr, args, exception, excmsg):
@@ -254,11 +272,108 @@ class FormatTest(unittest.TestCase):
         #test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError,
         #         "unsupported format character '?' (0x3000) at index 5")
         test_exc('%d', '1', TypeError, "%d format: a number is required, not str")
+        test_exc('%x', '1', TypeError, "%x format: an integer is required, not str")
+        test_exc('%x', 3.14, TypeError, "%x format: an integer is required, not float")
         test_exc('%g', '1', TypeError, "a float is required")
         test_exc('no format', '1', TypeError,
                  "not all arguments converted during string formatting")
-        test_exc('no format', '1', TypeError,
-                 "not all arguments converted during string formatting")
+        test_exc('%c', -1, OverflowError, "%c arg not in range(0x110000)")
+        test_exc('%c', sys.maxunicode+1, OverflowError,
+                 "%c arg not in range(0x110000)")
+        #test_exc('%c', 2**128, OverflowError, "%c arg not in range(0x110000)")
+        test_exc('%c', 3.14, TypeError, "%c requires int or char")
+        test_exc('%c', 'ab', TypeError, "%c requires int or char")
+        test_exc('%c', b'x', TypeError, "%c requires int or char")
+
+        if maxsize == 2**31-1:
+            # crashes 2.2.1 and earlier:
+            try:
+                "%*d"%(maxsize, -127)
+            except MemoryError:
+                pass
+            else:
+                raise TestFailed('"%*d"%(maxsize, -127) should fail')
+
+    def test_bytes_and_bytearray_format(self):
+        # %c will insert a single byte, either from an int in range(256), or
+        # from a bytes argument of length 1, not from a str.
+        testcommon(b"%c", 7, b"\x07")
+        testcommon(b"%c", b"Z", b"Z")
+        testcommon(b"%c", bytearray(b"Z"), b"Z")
+        # %b will insert a series of bytes, either from a type that supports
+        # the Py_buffer protocol, or something that has a __bytes__ method
+        class FakeBytes(object):
+            def __bytes__(self):
+                return b'123'
+        fb = FakeBytes()
+        testcommon(b"%b", b"abc", b"abc")
+        testcommon(b"%b", bytearray(b"def"), b"def")
+        testcommon(b"%b", fb, b"123")
+        # # %s is an alias for %b -- should only be used for Py2/3 code
+        testcommon(b"%s", b"abc", b"abc")
+        testcommon(b"%s", bytearray(b"def"), b"def")
+        testcommon(b"%s", fb, b"123")
+        # %a will give the equivalent of
+        # repr(some_obj).encode('ascii', 'backslashreplace')
+        testcommon(b"%a", 3.14, b"3.14")
+        testcommon(b"%a", b"ghi", b"b'ghi'")
+        testcommon(b"%a", "jkl", b"'jkl'")
+        testcommon(b"%a", "\u0544", b"'\\u0544'")
+        # %r is an alias for %a
+        testcommon(b"%r", 3.14, b"3.14")
+        testcommon(b"%r", b"ghi", b"b'ghi'")
+        testcommon(b"%r", "jkl", b"'jkl'")
+        testcommon(b"%r", "\u0544", b"'\\u0544'")
+
+        # Test exception for unknown format characters, etc.
+        if verbose:
+            print('Testing exceptions')
+        def test_exc(formatstr, args, exception, excmsg):
+            try:
+                testformat(formatstr, args)
+            except exception as exc:
+                if str(exc) == excmsg:
+                    if verbose:
+                        print("yes")
+                else:
+                    if verbose: print('no')
+                    print('Unexpected ', exception, ':', repr(str(exc)))
+            except:
+                if verbose: print('no')
+                print('Unexpected exception')
+                raise
+            else:
+                raise TestFailed('did not get expected exception: %s' % excmsg)
+        test_exc(b'%d', '1', TypeError,
+                "%d format: a number is required, not str")
+        test_exc(b'%d', b'1', TypeError,
+                "%d format: a number is required, not bytes")
+        test_exc(b'%x', 3.14, TypeError,
+                "%x format: an integer is required, not float")
+        test_exc(b'%g', '1', TypeError, "float argument required, not str")
+        test_exc(b'%g', b'1', TypeError, "float argument required, not bytes")
+        test_exc(b'no format', 7, TypeError,
+                 "not all arguments converted during bytes formatting")
+        test_exc(b'no format', b'1', TypeError,
+                 "not all arguments converted during bytes formatting")
+        test_exc(b'no format', bytearray(b'1'), TypeError,
+                 "not all arguments converted during bytes formatting")
+        test_exc(b"%c", -1, OverflowError,
+                "%c arg not in range(256)")
+        test_exc(b"%c", 256, OverflowError,
+                "%c arg not in range(256)")
+        test_exc(b"%c", 2**128, OverflowError,
+                "%c arg not in range(256)")
+        test_exc(b"%c", b"Za", TypeError,
+                "%c requires an integer in range(256) or a single byte")
+        test_exc(b"%c", "Y", TypeError,
+                "%c requires an integer in range(256) or a single byte")
+        test_exc(b"%c", 3.14, TypeError,
+                "%c requires an integer in range(256) or a single byte")
+        test_exc(b"%b", "Xc", TypeError,
+                "%b requires bytes, or an object that implements __bytes__, not 'str'")
+        test_exc(b"%s", "Wd", TypeError,
+                "%b requires bytes, or an object that implements __bytes__, not 'str'")
 
         if maxsize == 2**31-1:
             # crashes 2.2.1 and earlier:
diff --git a/Lib/test/test_fractions.py b/Lib/test/test_fractions.py
index 3336532..2dd528f 100644
--- a/Lib/test/test_fractions.py
+++ b/Lib/test/test_fractions.py
@@ -1,7 +1,7 @@
 """Tests for Lib/fractions.py."""
 
 from decimal import Decimal
-from test.support import run_unittest, requires_IEEE_754
+from test.support import requires_IEEE_754
 import math
 import numbers
 import operator
@@ -330,7 +330,6 @@ class FractionTest(unittest.TestCase):
         self.assertTypedEquals(F(-2, 10), round(F(-15, 100), 1))
         self.assertTypedEquals(F(-2, 10), round(F(-25, 100), 1))
 
-
     def testArithmetic(self):
         self.assertEqual(F(1, 2), F(1, 10) + F(2, 5))
         self.assertEqual(F(-3, 10), F(1, 10) - F(2, 5))
@@ -402,6 +401,8 @@ class FractionTest(unittest.TestCase):
         self.assertTypedEquals(2.0 , 4 ** F(1, 2))
         self.assertTypedEquals(0.25, 2.0 ** F(-2, 1))
         self.assertTypedEquals(1.0 + 0j, (1.0 + 0j) ** F(1, 10))
+        self.assertRaises(ZeroDivisionError, operator.pow,
+                          F(0, 1), -2)
 
     def testMixingWithDecimal(self):
         # Decimal refuses mixed arithmetic (but not mixed comparisons)
@@ -605,8 +606,5 @@ class FractionTest(unittest.TestCase):
         r = F(13, 7)
         self.assertRaises(AttributeError, setattr, r, 'a', 10)
 
-def test_main():
-    run_unittest(FractionTest, GcdTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_frame.py b/Lib/test/test_frame.py
index c402ec3..189fca9 100644
--- a/Lib/test/test_frame.py
+++ b/Lib/test/test_frame.py
@@ -161,8 +161,5 @@ class FrameLocalsTest(unittest.TestCase):
         self.assertEqual(inner.f_locals, {})
 
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py
index d3be7d6..aef66da 100644
--- a/Lib/test/test_ftplib.py
+++ b/Lib/test/test_ftplib.py
@@ -73,7 +73,7 @@ class DummyDTPHandler(asynchat.async_chat):
         super(DummyDTPHandler, self).push(what.encode('ascii'))
 
     def handle_error(self):
-        raise
+        raise Exception
 
 
 class DummyFTPHandler(asynchat.async_chat):
@@ -118,7 +118,7 @@ class DummyFTPHandler(asynchat.async_chat):
             self.push('550 command "%s" not understood.' %cmd)
 
     def handle_error(self):
-        raise
+        raise Exception
 
     def push(self, data):
         asynchat.async_chat.push(self, data.encode('ascii') + b'\r\n')
@@ -134,7 +134,7 @@ class DummyFTPHandler(asynchat.async_chat):
     def cmd_pasv(self, arg):
         with socket.socket() as sock:
             sock.bind((self.socket.getsockname()[0], 0))
-            sock.listen(5)
+            sock.listen()
             sock.settimeout(TIMEOUT)
             ip, port = sock.getsockname()[:2]
             ip = ip.replace('.', ','); p1 = port / 256; p2 = port % 256
@@ -152,7 +152,7 @@ class DummyFTPHandler(asynchat.async_chat):
     def cmd_epsv(self, arg):
         with socket.socket(socket.AF_INET6) as sock:
             sock.bind((self.socket.getsockname()[0], 0))
-            sock.listen(5)
+            sock.listen()
             sock.settimeout(TIMEOUT)
             port = sock.getsockname()[1]
             self.push('229 entering extended passive mode (|||%d|)' %port)
@@ -296,7 +296,7 @@ class DummyFTPServer(asyncore.dispatcher, threading.Thread):
         return 0
 
     def handle_error(self):
-        raise
+        raise Exception
 
 
 if ssl is not None:
@@ -394,7 +394,7 @@ if ssl is not None:
                 raise
 
         def handle_error(self):
-            raise
+            raise Exception
 
         def close(self):
             if (isinstance(self.socket, ssl.SSLSocket) and
@@ -670,7 +670,7 @@ class TestFTPClass(TestCase):
         self.assertRaises(StopIteration, next, self.client.mlsd())
         set_data('')
         for x in self.client.mlsd():
-            self.fail("unexpected data %s" % data)
+            self.fail("unexpected data %s" % x)
 
     def test_makeport(self):
         with self.client.makeport():
@@ -979,7 +979,7 @@ class TestTimeouts(TestCase):
         #  1) when the connection is ready to be accepted.
         #  2) when it is safe for the caller to close the connection
         #  3) when we have closed the socket
-        self.sock.listen(5)
+        self.sock.listen()
         # (1) Signal the caller that we are ready to accept the connection.
         self.evt.set()
         try:
@@ -1049,19 +1049,8 @@ class TestTimeouts(TestCase):
         ftp.close()
 
 
-class TestNetrcDeprecation(TestCase):
-
-    def test_deprecation(self):
-        with support.temp_cwd(), support.EnvironmentVarGuard() as env:
-            env['HOME'] = os.getcwd()
-            open('.netrc', 'w').close()
-            with self.assertWarns(DeprecationWarning):
-                ftplib.Netrc()
-
-
-
 def test_main():
-    tests = [TestFTPClass, TestTimeouts, TestNetrcDeprecation,
+    tests = [TestFTPClass, TestTimeouts,
              TestIPv6Environment,
              TestTLS_FTPClassMixin, TestTLS_FTPClass]
 
diff --git a/Lib/test/test_funcattrs.py b/Lib/test/test_funcattrs.py
index 5094f7b..8f481bb 100644
--- a/Lib/test/test_funcattrs.py
+++ b/Lib/test/test_funcattrs.py
@@ -1,4 +1,3 @@
-from test import support
 import types
 import unittest
 
@@ -374,12 +373,5 @@ class BuiltinFunctionPropertiesTest(unittest.TestCase):
         self.assertEqual({'foo': 'bar'}.pop.__qualname__, 'dict.pop')
 
 
-def test_main():
-    support.run_unittest(FunctionPropertiesTest, InstancemethodAttrTest,
-                              ArbitraryFunctionAttrTest, FunctionDictsTest,
-                              FunctionDocstringTest, CellTest,
-                              StaticMethodAttrsTest,
-                              BuiltinFunctionPropertiesTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
index 0375601c..e7f34cc 100644
--- a/Lib/test/test_functools.py
+++ b/Lib/test/test_functools.py
@@ -131,6 +131,16 @@ class TestPartial:
         join = self.partial(''.join)
         self.assertEqual(join(data), '0123456789')
 
+    def test_nested_optimization(self):
+        partial = self.partial
+        # Only "true" partial is optimized
+        if partial.__name__ != 'partial':
+            return
+        inner = partial(signature, 'asdf')
+        nested = partial(inner, bar=True)
+        flat = partial(signature, 'asdf', bar=True)
+        self.assertEqual(signature(nested), signature(flat))
+
 
 @unittest.skipUnless(c_functools, 'requires the C _functools module')
 class TestPartialC(TestPartial, unittest.TestCase):
@@ -882,6 +892,24 @@ class TestTotalOrdering(unittest.TestCase):
             with self.assertRaises(TypeError):
                 a <= b
 
+    def test_pickle(self):
+        for proto in range(4, pickle.HIGHEST_PROTOCOL + 1):
+            for name in '__lt__', '__gt__', '__le__', '__ge__':
+                with self.subTest(method=name, proto=proto):
+                    method = getattr(Orderable_LT, name)
+                    method_copy = pickle.loads(pickle.dumps(method, proto))
+                    self.assertIs(method_copy, method)
+
+@functools.total_ordering
+class Orderable_LT:
+    def __init__(self, value):
+        self.value = value
+    def __lt__(self, other):
+        return self.value < other.value
+    def __eq__(self, other):
+        return self.value == other.value
+
+
 class TestLRU(unittest.TestCase):
 
     def test_lru(self):
@@ -1556,32 +1584,5 @@ class TestSingleDispatch(unittest.TestCase):
         functools.WeakKeyDictionary = _orig_wkd
 
 
-def test_main(verbose=None):
-    test_classes = (
-        TestPartialC,
-        TestPartialPy,
-        TestPartialCSubclass,
-        TestPartialMethod,
-        TestUpdateWrapper,
-        TestTotalOrdering,
-        TestCmpToKeyC,
-        TestCmpToKeyPy,
-        TestWraps,
-        TestReduce,
-        TestLRU,
-        TestSingleDispatch,
-    )
-    support.run_unittest(*test_classes)
-
-    # verify reference counting
-    if verbose and hasattr(sys, "gettotalrefcount"):
-        import gc
-        counts = [None] * 5
-        for i in range(len(counts)):
-            support.run_unittest(*test_classes)
-            gc.collect()
-            counts[i] = sys.gettotalrefcount()
-        print(counts)
-
 if __name__ == '__main__':
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_gc.py b/Lib/test/test_gc.py
index 2ac1d4b..254f64b 100644
--- a/Lib/test/test_gc.py
+++ b/Lib/test/test_gc.py
@@ -546,11 +546,31 @@ class GCTests(unittest.TestCase):
 
         class UserClass:
             pass
+
+        class UserInt(int):
+            pass
+
+        # Base class is object; no extra fields.
+        class UserClassSlots:
+            __slots__ = ()
+
+        # Base class is fixed size larger than object; no extra fields.
+        class UserFloatSlots(float):
+            __slots__ = ()
+
+        # Base class is variable size; no extra fields.
+        class UserIntSlots(int):
+            __slots__ = ()
+
         self.assertTrue(gc.is_tracked(gc))
         self.assertTrue(gc.is_tracked(UserClass))
         self.assertTrue(gc.is_tracked(UserClass()))
+        self.assertTrue(gc.is_tracked(UserInt()))
         self.assertTrue(gc.is_tracked([]))
         self.assertTrue(gc.is_tracked(set()))
+        self.assertFalse(gc.is_tracked(UserClassSlots()))
+        self.assertFalse(gc.is_tracked(UserFloatSlots()))
+        self.assertFalse(gc.is_tracked(UserIntSlots()))
 
     def test_bug1055820b(self):
         # Corresponds to temp2b.py in the bug report.
diff --git a/Lib/test/test_gdb.py b/Lib/test/test_gdb.py
index c57875c..0322677 100644
--- a/Lib/test/test_gdb.py
+++ b/Lib/test/test_gdb.py
@@ -802,25 +802,27 @@ id(42)
                          "Python was compiled without thread support")
     def test_pycfunction(self):
         'Verify that "py-bt" displays invocations of PyCFunction instances'
-        cmd = ('from time import sleep\n'
+        # Tested function must not be defined with METH_NOARGS or METH_O,
+        # otherwise call_function() doesn't call PyCFunction_Call()
+        cmd = ('from time import gmtime\n'
                'def foo():\n'
-               '    sleep(1)\n'
+               '    gmtime(1)\n'
                'def bar():\n'
                '    foo()\n'
                'bar()\n')
         # Verify with "py-bt":
         gdb_output = self.get_stack_trace(cmd,
-                                          breakpoint='time_sleep',
+                                          breakpoint='time_gmtime',
                                           cmds_after_breakpoint=['bt', 'py-bt'],
                                           )
-        self.assertIn('<built-in method sleep', gdb_output)
+        self.assertIn('<built-in method gmtime', gdb_output)
 
         # Verify with "py-bt-full":
         gdb_output = self.get_stack_trace(cmd,
-                                          breakpoint='time_sleep',
+                                          breakpoint='time_gmtime',
                                           cmds_after_breakpoint=['py-bt-full'],
                                           )
-        self.assertIn('#0 <built-in method sleep', gdb_output)
+        self.assertIn('#0 <built-in method gmtime', gdb_output)
 
 
 class PyPrintTests(DebuggerTests):
diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py
index 5c455cd..85e09a1 100644
--- a/Lib/test/test_generators.py
+++ b/Lib/test/test_generators.py
@@ -70,6 +70,45 @@ class FinalizationTest(unittest.TestCase):
             self.assertEqual(cm.exception.value, 2)
 
 
+class GeneratorTest(unittest.TestCase):
+
+    def test_name(self):
+        def func():
+            yield 1
+
+        # check generator names
+        gen = func()
+        self.assertEqual(gen.__name__, "func")
+        self.assertEqual(gen.__qualname__,
+                         "GeneratorTest.test_name.<locals>.func")
+
+        # modify generator names
+        gen.__name__ = "name"
+        gen.__qualname__ = "qualname"
+        self.assertEqual(gen.__name__, "name")
+        self.assertEqual(gen.__qualname__, "qualname")
+
+        # generator names must be a string and cannot be deleted
+        self.assertRaises(TypeError, setattr, gen, '__name__', 123)
+        self.assertRaises(TypeError, setattr, gen, '__qualname__', 123)
+        self.assertRaises(TypeError, delattr, gen, '__name__')
+        self.assertRaises(TypeError, delattr, gen, '__qualname__')
+
+        # modify names of the function creating the generator
+        func.__qualname__ = "func_qualname"
+        func.__name__ = "func_name"
+        gen = func()
+        self.assertEqual(gen.__name__, "func_name")
+        self.assertEqual(gen.__qualname__, "func_qualname")
+
+        # unnamed generator
+        gen = (x for x in range(10))
+        self.assertEqual(gen.__name__,
+                         "<genexpr>")
+        self.assertEqual(gen.__qualname__,
+                         "GeneratorTest.test_name.<locals>.<genexpr>")
+
+
 class ExceptionTest(unittest.TestCase):
     # Tests for the issue #23353: check that the currently handled exception
     # is correctly saved/restored in PyEval_EvalFrameEx().
diff --git a/Lib/test/test_genericpath.py b/Lib/test/test_genericpath.py
index e59ed4d..f2722bc 100644
--- a/Lib/test/test_genericpath.py
+++ b/Lib/test/test_genericpath.py
@@ -434,6 +434,40 @@ class CommonTest(GenericTest):
             with support.temp_cwd(name):
                 self.test_abspath()
 
+    def test_join_errors(self):
+        # Check join() raises friendly TypeErrors.
+        with support.check_warnings(('', BytesWarning), quiet=True):
+            errmsg = "Can't mix strings and bytes in path components"
+            with self.assertRaisesRegex(TypeError, errmsg):
+                self.pathmodule.join(b'bytes', 'str')
+            with self.assertRaisesRegex(TypeError, errmsg):
+                self.pathmodule.join('str', b'bytes')
+            # regression, see #15377
+            errmsg = r'join\(\) argument must be str or bytes, not %r'
+            with self.assertRaisesRegex(TypeError, errmsg % 'int'):
+                self.pathmodule.join(42, 'str')
+            with self.assertRaisesRegex(TypeError, errmsg % 'int'):
+                self.pathmodule.join('str', 42)
+            with self.assertRaisesRegex(TypeError, errmsg % 'bytearray'):
+                self.pathmodule.join(bytearray(b'foo'), bytearray(b'bar'))
+
+    def test_relpath_errors(self):
+        # Check relpath() raises friendly TypeErrors.
+        with support.check_warnings(('', (BytesWarning, DeprecationWarning)),
+                                    quiet=True):
+            errmsg = "Can't mix strings and bytes in path components"
+            with self.assertRaisesRegex(TypeError, errmsg):
+                self.pathmodule.relpath(b'bytes', 'str')
+            with self.assertRaisesRegex(TypeError, errmsg):
+                self.pathmodule.relpath('str', b'bytes')
+            errmsg = r'relpath\(\) argument must be str or bytes, not %r'
+            with self.assertRaisesRegex(TypeError, errmsg % 'int'):
+                self.pathmodule.relpath(42, 'str')
+            with self.assertRaisesRegex(TypeError, errmsg % 'int'):
+                self.pathmodule.relpath('str', 42)
+            with self.assertRaisesRegex(TypeError, errmsg % 'bytearray'):
+                self.pathmodule.relpath(bytearray(b'foo'), bytearray(b'bar'))
+
 
 if __name__=="__main__":
     unittest.main()
diff --git a/Lib/test/test_getargs2.py b/Lib/test/test_getargs2.py
index 1853a2d..71472cd 100644
--- a/Lib/test/test_getargs2.py
+++ b/Lib/test/test_getargs2.py
@@ -34,8 +34,8 @@ except ImportError:
 # > ** Changed from previous "range-and-a-half" to "none"; the
 # > range-and-a-half checking wasn't particularly useful.
 #
-# Plus a C API or two, e.g. PyInt_AsLongMask() ->
-# unsigned long and PyInt_AsLongLongMask() -> unsigned
+# Plus a C API or two, e.g. PyLong_AsUnsignedLongMask() ->
+# unsigned long and PyLong_AsUnsignedLongLongMask() -> unsigned
 # long long (if that exists).
 
 LARGE = 0x7FFFFFFF
@@ -482,7 +482,7 @@ class Bytes_TestCase(unittest.TestCase):
     def test_s(self):
         from _testcapi import getargs_s
         self.assertEqual(getargs_s('abc\xe9'), b'abc\xc3\xa9')
-        self.assertRaises(TypeError, getargs_s, 'nul:\0')
+        self.assertRaises(ValueError, getargs_s, 'nul:\0')
         self.assertRaises(TypeError, getargs_s, b'bytes')
         self.assertRaises(TypeError, getargs_s, bytearray(b'bytearray'))
         self.assertRaises(TypeError, getargs_s, memoryview(b'memoryview'))
@@ -509,7 +509,7 @@ class Bytes_TestCase(unittest.TestCase):
     def test_z(self):
         from _testcapi import getargs_z
         self.assertEqual(getargs_z('abc\xe9'), b'abc\xc3\xa9')
-        self.assertRaises(TypeError, getargs_z, 'nul:\0')
+        self.assertRaises(ValueError, getargs_z, 'nul:\0')
         self.assertRaises(TypeError, getargs_z, b'bytes')
         self.assertRaises(TypeError, getargs_z, bytearray(b'bytearray'))
         self.assertRaises(TypeError, getargs_z, memoryview(b'memoryview'))
@@ -537,7 +537,7 @@ class Bytes_TestCase(unittest.TestCase):
         from _testcapi import getargs_y
         self.assertRaises(TypeError, getargs_y, 'abc\xe9')
         self.assertEqual(getargs_y(b'bytes'), b'bytes')
-        self.assertRaises(TypeError, getargs_y, b'nul:\0')
+        self.assertRaises(ValueError, getargs_y, b'nul:\0')
         self.assertRaises(TypeError, getargs_y, bytearray(b'bytearray'))
         self.assertRaises(TypeError, getargs_y, memoryview(b'memoryview'))
         self.assertRaises(TypeError, getargs_y, None)
@@ -577,7 +577,7 @@ class Unicode_TestCase(unittest.TestCase):
     def test_u(self):
         from _testcapi import getargs_u
         self.assertEqual(getargs_u('abc\xe9'), 'abc\xe9')
-        self.assertRaises(TypeError, getargs_u, 'nul:\0')
+        self.assertRaises(ValueError, getargs_u, 'nul:\0')
         self.assertRaises(TypeError, getargs_u, b'bytes')
         self.assertRaises(TypeError, getargs_u, bytearray(b'bytearray'))
         self.assertRaises(TypeError, getargs_u, memoryview(b'memoryview'))
@@ -595,7 +595,7 @@ class Unicode_TestCase(unittest.TestCase):
     def test_Z(self):
         from _testcapi import getargs_Z
         self.assertEqual(getargs_Z('abc\xe9'), 'abc\xe9')
-        self.assertRaises(TypeError, getargs_Z, 'nul:\0')
+        self.assertRaises(ValueError, getargs_Z, 'nul:\0')
         self.assertRaises(TypeError, getargs_Z, b'bytes')
         self.assertRaises(TypeError, getargs_Z, bytearray(b'bytearray'))
         self.assertRaises(TypeError, getargs_Z, memoryview(b'memoryview'))
diff --git a/Lib/test/test_getopt.py b/Lib/test/test_getopt.py
index fa5701f..9275dc4 100644
--- a/Lib/test/test_getopt.py
+++ b/Lib/test/test_getopt.py
@@ -1,7 +1,7 @@
 # test_getopt.py
 # David Goodger <dgoodger@bigfoot.com> 2000-08-19
 
-from test.support import verbose, run_doctest, run_unittest, EnvironmentVarGuard
+from test.support import verbose, run_doctest, EnvironmentVarGuard
 import unittest
 
 import getopt
@@ -180,8 +180,5 @@ class GetoptTests(unittest.TestCase):
         self.assertEqual(longopts, [('--help', 'x')])
         self.assertRaises(getopt.GetoptError, getopt.getopt, ['--help='], '', ['help'])
 
-def test_main():
-    run_unittest(GetoptTests)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_gettext.py b/Lib/test/test_gettext.py
index 2737e81..de610c7 100644
--- a/Lib/test/test_gettext.py
+++ b/Lib/test/test_gettext.py
@@ -33,6 +33,55 @@ IHNiZSBsYmhlIENsZ3ViYSBjZWJ0ZW56ZiBvbCBjZWJpdnF2YXQgbmEgdmFncmVzbnByIGdiIGd1
 ciBUQUgKdHJnZ3JrZyB6cmZmbnRyIHBuZ255YnQgeXZvZW5lbC4AYmFjb24Ad2luayB3aW5rAA==
 '''
 
+# This data contains an invalid major version number (5)
+# An unexpected major version number should be treated as an error when
+# parsing a .mo file
+
+GNU_MO_DATA_BAD_MAJOR_VERSION = b'''\
+3hIElQAABQAGAAAAHAAAAEwAAAALAAAAfAAAAAAAAACoAAAAFQAAAKkAAAAjAAAAvwAAAKEAAADj
+AAAABwAAAIUBAAALAAAAjQEAAEUBAACZAQAAFgAAAN8CAAAeAAAA9gIAAKEAAAAVAwAABQAAALcD
+AAAJAAAAvQMAAAEAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAABQAAAAYAAAACAAAAAFJh
+eW1vbmQgTHV4dXJ5IFlhY2gtdABUaGVyZSBpcyAlcyBmaWxlAFRoZXJlIGFyZSAlcyBmaWxlcwBU
+aGlzIG1vZHVsZSBwcm92aWRlcyBpbnRlcm5hdGlvbmFsaXphdGlvbiBhbmQgbG9jYWxpemF0aW9u
+CnN1cHBvcnQgZm9yIHlvdXIgUHl0aG9uIHByb2dyYW1zIGJ5IHByb3ZpZGluZyBhbiBpbnRlcmZh
+Y2UgdG8gdGhlIEdOVQpnZXR0ZXh0IG1lc3NhZ2UgY2F0YWxvZyBsaWJyYXJ5LgBtdWxsdXNrAG51
+ZGdlIG51ZGdlAFByb2plY3QtSWQtVmVyc2lvbjogMi4wClBPLVJldmlzaW9uLURhdGU6IDIwMDAt
+MDgtMjkgMTI6MTktMDQ6MDAKTGFzdC1UcmFuc2xhdG9yOiBKLiBEYXZpZCBJYsOhw7FleiA8ai1k
+YXZpZEBub29zLmZyPgpMYW5ndWFnZS1UZWFtOiBYWCA8cHl0aG9uLWRldkBweXRob24ub3JnPgpN
+SU1FLVZlcnNpb246IDEuMApDb250ZW50LVR5cGU6IHRleHQvcGxhaW47IGNoYXJzZXQ9aXNvLTg4
+NTktMQpDb250ZW50LVRyYW5zZmVyLUVuY29kaW5nOiBub25lCkdlbmVyYXRlZC1CeTogcHlnZXR0
+ZXh0LnB5IDEuMQpQbHVyYWwtRm9ybXM6IG5wbHVyYWxzPTI7IHBsdXJhbD1uIT0xOwoAVGhyb2F0
+d29iYmxlciBNYW5ncm92ZQBIYXkgJXMgZmljaGVybwBIYXkgJXMgZmljaGVyb3MAR3V2ZiB6YnFo
+eXIgY2ViaXZxcmYgdmFncmVhbmd2YmFueXZtbmd2YmEgbmFxIHlicG55dm1uZ3ZiYQpmaGNjYmVn
+IHNiZSBsYmhlIENsZ3ViYSBjZWJ0ZW56ZiBvbCBjZWJpdnF2YXQgbmEgdmFncmVzbnByIGdiIGd1
+ciBUQUgKdHJnZ3JrZyB6cmZmbnRyIHBuZ255YnQgeXZvZW5lbC4AYmFjb24Ad2luayB3aW5rAA==
+'''
+
+# This data contains an invalid minor version number (7)
+# An unexpected minor version number only indicates that some of the file's
+# contents may not be able to be read. It does not indicate an error.
+
+GNU_MO_DATA_BAD_MINOR_VERSION = b'''\
+3hIElQcAAAAGAAAAHAAAAEwAAAALAAAAfAAAAAAAAACoAAAAFQAAAKkAAAAjAAAAvwAAAKEAAADj
+AAAABwAAAIUBAAALAAAAjQEAAEUBAACZAQAAFgAAAN8CAAAeAAAA9gIAAKEAAAAVAwAABQAAALcD
+AAAJAAAAvQMAAAEAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAABQAAAAYAAAACAAAAAFJh
+eW1vbmQgTHV4dXJ5IFlhY2gtdABUaGVyZSBpcyAlcyBmaWxlAFRoZXJlIGFyZSAlcyBmaWxlcwBU
+aGlzIG1vZHVsZSBwcm92aWRlcyBpbnRlcm5hdGlvbmFsaXphdGlvbiBhbmQgbG9jYWxpemF0aW9u
+CnN1cHBvcnQgZm9yIHlvdXIgUHl0aG9uIHByb2dyYW1zIGJ5IHByb3ZpZGluZyBhbiBpbnRlcmZh
+Y2UgdG8gdGhlIEdOVQpnZXR0ZXh0IG1lc3NhZ2UgY2F0YWxvZyBsaWJyYXJ5LgBtdWxsdXNrAG51
+ZGdlIG51ZGdlAFByb2plY3QtSWQtVmVyc2lvbjogMi4wClBPLVJldmlzaW9uLURhdGU6IDIwMDAt
+MDgtMjkgMTI6MTktMDQ6MDAKTGFzdC1UcmFuc2xhdG9yOiBKLiBEYXZpZCBJYsOhw7FleiA8ai1k
+YXZpZEBub29zLmZyPgpMYW5ndWFnZS1UZWFtOiBYWCA8cHl0aG9uLWRldkBweXRob24ub3JnPgpN
+SU1FLVZlcnNpb246IDEuMApDb250ZW50LVR5cGU6IHRleHQvcGxhaW47IGNoYXJzZXQ9aXNvLTg4
+NTktMQpDb250ZW50LVRyYW5zZmVyLUVuY29kaW5nOiBub25lCkdlbmVyYXRlZC1CeTogcHlnZXR0
+ZXh0LnB5IDEuMQpQbHVyYWwtRm9ybXM6IG5wbHVyYWxzPTI7IHBsdXJhbD1uIT0xOwoAVGhyb2F0
+d29iYmxlciBNYW5ncm92ZQBIYXkgJXMgZmljaGVybwBIYXkgJXMgZmljaGVyb3MAR3V2ZiB6YnFo
+eXIgY2ViaXZxcmYgdmFncmVhbmd2YmFueXZtbmd2YmEgbmFxIHlicG55dm1uZ3ZiYQpmaGNjYmVn
+IHNiZSBsYmhlIENsZ3ViYSBjZWJ0ZW56ZiBvbCBjZWJpdnF2YXQgbmEgdmFncmVzbnByIGdiIGd1
+ciBUQUgKdHJnZ3JrZyB6cmZmbnRyIHBuZ255YnQgeXZvZW5lbC4AYmFjb24Ad2luayB3aW5rAA==
+'''
+
+
 UMO_DATA = b'''\
 3hIElQAAAAACAAAAHAAAACwAAAAFAAAAPAAAAAAAAABQAAAABAAAAFEAAAAPAQAAVgAAAAQAAABm
 AQAAAQAAAAIAAAAAAAAAAAAAAAAAAAAAYWLDngBQcm9qZWN0LUlkLVZlcnNpb246IDIuMApQTy1S
@@ -56,6 +105,8 @@ bGUKR2VuZXJhdGVkLUJ5OiBweWdldHRleHQucHkgMS4zCgA=
 
 LOCALEDIR = os.path.join('xx', 'LC_MESSAGES')
 MOFILE = os.path.join(LOCALEDIR, 'gettext.mo')
+MOFILE_BAD_MAJOR_VERSION = os.path.join(LOCALEDIR, 'gettext_bad_major_version.mo')
+MOFILE_BAD_MINOR_VERSION = os.path.join(LOCALEDIR, 'gettext_bad_minor_version.mo')
 UMOFILE = os.path.join(LOCALEDIR, 'ugettext.mo')
 MMOFILE = os.path.join(LOCALEDIR, 'metadata.mo')
 
@@ -66,6 +117,10 @@ class GettextBaseTest(unittest.TestCase):
             os.makedirs(LOCALEDIR)
         with open(MOFILE, 'wb') as fp:
             fp.write(base64.decodebytes(GNU_MO_DATA))
+        with open(MOFILE_BAD_MAJOR_VERSION, 'wb') as fp:
+            fp.write(base64.decodebytes(GNU_MO_DATA_BAD_MAJOR_VERSION))
+        with open(MOFILE_BAD_MINOR_VERSION, 'wb') as fp:
+            fp.write(base64.decodebytes(GNU_MO_DATA_BAD_MINOR_VERSION))
         with open(UMOFILE, 'wb') as fp:
             fp.write(base64.decodebytes(UMO_DATA))
         with open(MMOFILE, 'wb') as fp:
@@ -172,6 +227,21 @@ class GettextTestCase2(GettextBaseTest):
     def test_textdomain(self):
         self.assertEqual(gettext.textdomain(), 'gettext')
 
+    def test_bad_major_version(self):
+        with open(MOFILE_BAD_MAJOR_VERSION, 'rb') as fp:
+            with self.assertRaises(OSError) as cm:
+                gettext.GNUTranslations(fp)
+
+            exception = cm.exception
+            self.assertEqual(exception.errno, 0)
+            self.assertEqual(exception.strerror, "Bad version number 5")
+            self.assertEqual(exception.filename, MOFILE_BAD_MAJOR_VERSION)
+
+    def test_bad_minor_version(self):
+        with open(MOFILE_BAD_MINOR_VERSION, 'rb') as fp:
+            # Check that no error is thrown with a bad minor version number
+            gettext.GNUTranslations(fp)
+
     def test_some_translations(self):
         eq = self.assertEqual
         # test some translations
diff --git a/Lib/test/test_glob.py b/Lib/test/test_glob.py
index a5ab8d6..21b0153 100644
--- a/Lib/test/test_glob.py
+++ b/Lib/test/test_glob.py
@@ -4,8 +4,8 @@ import shutil
 import sys
 import unittest
 
-from test.support import (run_unittest, TESTFN, skip_unless_symlink,
-                          can_symlink, create_empty_file)
+from test.support import (TESTFN, skip_unless_symlink,
+                          can_symlink, create_empty_file, change_cwd)
 
 
 class GlobTests(unittest.TestCase):
@@ -13,6 +13,9 @@ class GlobTests(unittest.TestCase):
     def norm(self, *parts):
         return os.path.normpath(os.path.join(self.tempdir, *parts))
 
+    def joins(self, *tuples):
+        return [os.path.join(self.tempdir, *parts) for parts in tuples]
+
     def mktemp(self, *parts):
         filename = self.norm(*parts)
         base, file = os.path.split(filename)
@@ -38,17 +41,17 @@ class GlobTests(unittest.TestCase):
     def tearDown(self):
         shutil.rmtree(self.tempdir)
 
-    def glob(self, *parts):
+    def glob(self, *parts, **kwargs):
         if len(parts) == 1:
             pattern = parts[0]
         else:
             pattern = os.path.join(*parts)
         p = os.path.join(self.tempdir, pattern)
-        res = glob.glob(p)
-        self.assertEqual(list(glob.iglob(p)), res)
+        res = glob.glob(p, **kwargs)
+        self.assertEqual(list(glob.iglob(p, **kwargs)), res)
         bres = [os.fsencode(x) for x in res]
-        self.assertEqual(glob.glob(os.fsencode(p)), bres)
-        self.assertEqual(list(glob.iglob(os.fsencode(p))), bres)
+        self.assertEqual(glob.glob(os.fsencode(p), **kwargs), bres)
+        self.assertEqual(list(glob.iglob(os.fsencode(p), **kwargs)), bres)
         return res
 
     def assertSequencesEqual_noorder(self, l1, l2):
@@ -192,9 +195,118 @@ class GlobTests(unittest.TestCase):
         check('//?/c:/?', '//?/c:/[?]')
         check('//*/*/*', '//*/*/[*]')
 
-def test_main():
-    run_unittest(GlobTests)
+    def rglob(self, *parts, **kwargs):
+        return self.glob(*parts, recursive=True, **kwargs)
+
+    def test_recursive_glob(self):
+        eq = self.assertSequencesEqual_noorder
+        full = [('ZZZ',),
+                ('a',), ('a', 'D'),
+                ('a', 'bcd'),
+                ('a', 'bcd', 'EF'),
+                ('a', 'bcd', 'efg'),
+                ('a', 'bcd', 'efg', 'ha'),
+                ('aaa',), ('aaa', 'zzzF'),
+                ('aab',), ('aab', 'F'),
+               ]
+        if can_symlink():
+            full += [('sym1',), ('sym2',),
+                     ('sym3',),
+                     ('sym3', 'EF'),
+                     ('sym3', 'efg'),
+                     ('sym3', 'efg', 'ha'),
+                    ]
+        eq(self.rglob('**'), self.joins(('',), *full))
+        eq(self.rglob('.', '**'), self.joins(('.',''),
+            *(('.',) + i for i in full)))
+        dirs = [('a', ''), ('a', 'bcd', ''), ('a', 'bcd', 'efg', ''),
+                ('aaa', ''), ('aab', '')]
+        if can_symlink():
+            dirs += [('sym3', ''), ('sym3', 'efg', '')]
+        eq(self.rglob('**', ''), self.joins(('',), *dirs))
+
+        eq(self.rglob('a', '**'), self.joins(
+            ('a', ''), ('a', 'D'), ('a', 'bcd'), ('a', 'bcd', 'EF'),
+            ('a', 'bcd', 'efg'), ('a', 'bcd', 'efg', 'ha')))
+        eq(self.rglob('a**'), self.joins(('a',), ('aaa',), ('aab',)))
+        expect = [('a', 'bcd', 'EF')]
+        if can_symlink():
+            expect += [('sym3', 'EF')]
+        eq(self.rglob('**', 'EF'), self.joins(*expect))
+        expect = [('a', 'bcd', 'EF'), ('aaa', 'zzzF'), ('aab', 'F')]
+        if can_symlink():
+            expect += [('sym3', 'EF')]
+        eq(self.rglob('**', '*F'), self.joins(*expect))
+        eq(self.rglob('**', '*F', ''), [])
+        eq(self.rglob('**', 'bcd', '*'), self.joins(
+            ('a', 'bcd', 'EF'), ('a', 'bcd', 'efg')))
+        eq(self.rglob('a', '**', 'bcd'), self.joins(('a', 'bcd')))
+
+        predir = os.path.abspath(os.curdir)
+        try:
+            os.chdir(self.tempdir)
+            join = os.path.join
+            eq(glob.glob('**', recursive=True), [join(*i) for i in full])
+            eq(glob.glob(join('**', ''), recursive=True),
+                [join(*i) for i in dirs])
+            eq(glob.glob(join('**','zz*F'), recursive=True),
+                [join('aaa', 'zzzF')])
+            eq(glob.glob('**zz*F', recursive=True), [])
+            expect = [join('a', 'bcd', 'EF')]
+            if can_symlink():
+                expect += [join('sym3', 'EF')]
+            eq(glob.glob(join('**', 'EF'), recursive=True), expect)
+        finally:
+            os.chdir(predir)
+
+
+@skip_unless_symlink
+class SymlinkLoopGlobTests(unittest.TestCase):
+
+    def test_selflink(self):
+        tempdir = TESTFN + "_dir"
+        os.makedirs(tempdir)
+        self.addCleanup(shutil.rmtree, tempdir)
+        with change_cwd(tempdir):
+            os.makedirs('dir')
+            create_empty_file(os.path.join('dir', 'file'))
+            os.symlink(os.curdir, os.path.join('dir', 'link'))
+
+            results = glob.glob('**', recursive=True)
+            self.assertEqual(len(results), len(set(results)))
+            results = set(results)
+            depth = 0
+            while results:
+                path = os.path.join(*(['dir'] + ['link'] * depth))
+                self.assertIn(path, results)
+                results.remove(path)
+                if not results:
+                    break
+                path = os.path.join(path, 'file')
+                self.assertIn(path, results)
+                results.remove(path)
+                depth += 1
+
+            results = glob.glob(os.path.join('**', 'file'), recursive=True)
+            self.assertEqual(len(results), len(set(results)))
+            results = set(results)
+            depth = 0
+            while results:
+                path = os.path.join(*(['dir'] + ['link'] * depth + ['file']))
+                self.assertIn(path, results)
+                results.remove(path)
+                depth += 1
+
+            results = glob.glob(os.path.join('**', ''), recursive=True)
+            self.assertEqual(len(results), len(set(results)))
+            results = set(results)
+            depth = 0
+            while results:
+                path = os.path.join(*(['dir'] + ['link'] * depth + ['']))
+                self.assertIn(path, results)
+                results.remove(path)
+                depth += 1
 
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 70d85b1..0c65858 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -1,7 +1,7 @@
 # Python test set -- part 1, grammar.
 # This just tests whether the parser accepts them all.
 
-from test.support import run_unittest, check_syntax_error
+from test.support import check_syntax_error
 import unittest
 import sys
 # testing import *
@@ -1016,9 +1016,20 @@ class GrammarTests(unittest.TestCase):
         self.assertFalse((False is 2) is 3)
         self.assertFalse(False is 2 is 3)
 
+    def test_matrix_mul(self):
+        # This is not intended to be a comprehensive test, rather just to be few
+        # samples of the @ operator in test_grammar.py.
+        class M:
+            def __matmul__(self, o):
+                return 4
+            def __imatmul__(self, o):
+                self.other = o
+                return self
+        m = M()
+        self.assertEqual(m @ m, 4)
+        m @= 42
+        self.assertEqual(m.other, 42)
 
-def test_main():
-    run_unittest(TokenTests, GrammarTests)
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_grp.py b/Lib/test/test_grp.py
index 749041c..272b086 100644
--- a/Lib/test/test_grp.py
+++ b/Lib/test/test_grp.py
@@ -92,8 +92,5 @@ class GroupDatabaseTestCase(unittest.TestCase):
 
         self.assertRaises(KeyError, grp.getgrgid, fakegid)
 
-def test_main():
-    support.run_unittest(GroupDatabaseTestCase)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_gzip.py b/Lib/test/test_gzip.py
index b417044..d8408e1 100644
--- a/Lib/test/test_gzip.py
+++ b/Lib/test/test_gzip.py
@@ -6,6 +6,7 @@ from test import support
 import os
 import io
 import struct
+import array
 gzip = support.import_module('gzip')
 
 data1 = b"""  int length=DEFAULTALLOC, err = Z_OK;
@@ -77,15 +78,18 @@ class TestGzip(BaseTest):
     def test_write_bytearray(self):
         self.write_and_read_back(bytearray(data1 * 50))
 
+    def test_write_array(self):
+        self.write_and_read_back(array.array('I', data1 * 40))
+
     def test_write_incompatible_type(self):
         # Test that non-bytes-like types raise TypeError.
         # Issue #21560: attempts to write incompatible types
         # should not affect the state of the fileobject
         with gzip.GzipFile(self.filename, 'wb') as f:
             with self.assertRaises(TypeError):
-                f.write('a')
+                f.write('')
             with self.assertRaises(TypeError):
-                f.write([1])
+                f.write([])
             f.write(data1)
         with gzip.GzipFile(self.filename, 'rb') as f:
             self.assertEqual(f.read(), data1)
@@ -119,7 +123,10 @@ class TestGzip(BaseTest):
         # Write to a file, open it for reading, then close it.
         self.test_write()
         f = gzip.GzipFile(self.filename, 'r')
+        fileobj = f.fileobj
+        self.assertFalse(fileobj.closed)
         f.close()
+        self.assertTrue(fileobj.closed)
         with self.assertRaises(ValueError):
             f.read(1)
         with self.assertRaises(ValueError):
@@ -128,7 +135,10 @@ class TestGzip(BaseTest):
             f.tell()
         # Open the file for writing, then close it.
         f = gzip.GzipFile(self.filename, 'w')
+        fileobj = f.fileobj
+        self.assertFalse(fileobj.closed)
         f.close()
+        self.assertTrue(fileobj.closed)
         with self.assertRaises(ValueError):
             f.write(b'')
         with self.assertRaises(ValueError):
@@ -267,9 +277,10 @@ class TestGzip(BaseTest):
         with gzip.GzipFile(self.filename, 'w', mtime = mtime) as fWrite:
             fWrite.write(data1)
         with gzip.GzipFile(self.filename) as fRead:
+            self.assertTrue(hasattr(fRead, 'mtime'))
+            self.assertIsNone(fRead.mtime)
             dataRead = fRead.read()
             self.assertEqual(dataRead, data1)
-            self.assertTrue(hasattr(fRead, 'mtime'))
             self.assertEqual(fRead.mtime, mtime)
 
     def test_metadata(self):
@@ -412,6 +423,18 @@ class TestGzip(BaseTest):
         with gzip.GzipFile(str_filename, "rb") as f:
             self.assertEqual(f.read(), data1 * 50)
 
+    def test_decompress_limited(self):
+        """Decompressed data buffering should be limited"""
+        bomb = gzip.compress(bytes(int(2e6)), compresslevel=9)
+        self.assertLess(len(bomb), io.DEFAULT_BUFFER_SIZE)
+
+        bomb = io.BytesIO(bomb)
+        decomp = gzip.GzipFile(fileobj=bomb)
+        self.assertEqual(bytes(1), decomp.read(1))
+        max_decomp = 1 + io.DEFAULT_BUFFER_SIZE
+        self.assertLessEqual(decomp._buffer.raw.tell(), max_decomp,
+            "Excessive amount of data was decompressed")
+
     # Testing compress/decompress shortcut functions
 
     def test_compress(self):
@@ -459,7 +482,7 @@ class TestGzip(BaseTest):
         with gzip.open(self.filename, "wb") as f:
             f.write(data1)
         with gzip.open(self.filename, "rb") as f:
-            f.fileobj.prepend()
+            f._buffer.raw._fp.prepend()
 
 class TestOpen(BaseTest):
     def test_binary_modes(self):
diff --git a/Lib/test/test_heapq.py b/Lib/test/test_heapq.py
index b5a2fd8..0dcd8c5 100644
--- a/Lib/test/test_heapq.py
+++ b/Lib/test/test_heapq.py
@@ -6,14 +6,15 @@ import unittest
 
 from test import support
 from unittest import TestCase, skipUnless
+from operator import itemgetter
 
 py_heapq = support.import_fresh_module('heapq', blocked=['_heapq'])
 c_heapq = support.import_fresh_module('heapq', fresh=['_heapq'])
 
 # _heapq.nlargest/nsmallest are saved in heapq._nlargest/_smallest when
 # _heapq is imported, so check them there
-func_names = ['heapify', 'heappop', 'heappush', 'heappushpop',
-              'heapreplace', '_nlargest', '_nsmallest']
+func_names = ['heapify', 'heappop', 'heappush', 'heappushpop', 'heapreplace',
+              '_heappop_max', '_heapreplace_max', '_heapify_max']
 
 class TestModules(TestCase):
     def test_py_functions(self):
@@ -152,11 +153,21 @@ class TestHeap:
 
     def test_merge(self):
         inputs = []
-        for i in range(random.randrange(5)):
-            row = sorted(random.randrange(1000) for j in range(random.randrange(10)))
+        for i in range(random.randrange(25)):
+            row = []
+            for j in range(random.randrange(100)):
+                tup = random.choice('ABC'), random.randrange(-500, 500)
+                row.append(tup)
             inputs.append(row)
-        self.assertEqual(sorted(chain(*inputs)), list(self.module.merge(*inputs)))
-        self.assertEqual(list(self.module.merge()), [])
+
+        for key in [None, itemgetter(0), itemgetter(1), itemgetter(1, 0)]:
+            for reverse in [False, True]:
+                seqs = []
+                for seq in inputs:
+                    seqs.append(sorted(seq, key=key, reverse=reverse))
+                self.assertEqual(sorted(chain(*inputs), key=key, reverse=reverse),
+                                 list(self.module.merge(*seqs, key=key, reverse=reverse)))
+                self.assertEqual(list(self.module.merge()), [])
 
     def test_merge_does_not_suppress_index_error(self):
         # Issue 19018: Heapq.merge suppresses IndexError from user generator
diff --git a/Lib/test/test_hmac.py b/Lib/test/test_hmac.py
index cde56fd..98826b5 100644
--- a/Lib/test/test_hmac.py
+++ b/Lib/test/test_hmac.py
@@ -493,14 +493,5 @@ class CompareDigestTestCase(unittest.TestCase):
         self.assertFalse(hmac.compare_digest(a, b))
 
 
-def test_main():
-    support.run_unittest(
-        TestVectorsTestCase,
-        ConstructorTestCase,
-        SanityTestCase,
-        CopyTestCase,
-        CompareDigestTestCase
-    )
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_html.py b/Lib/test/test_html.py
index d6f0ae8..839e0a4 100644
--- a/Lib/test/test_html.py
+++ b/Lib/test/test_html.py
@@ -4,7 +4,6 @@ Tests for the html module functions.
 
 import html
 import unittest
-from test.support import run_unittest
 
 
 class HtmlTests(unittest.TestCase):
diff --git a/Lib/test/test_htmlparser.py b/Lib/test/test_htmlparser.py
index 2d771a2..de8f3e8 100644
--- a/Lib/test/test_htmlparser.py
+++ b/Lib/test/test_htmlparser.py
@@ -85,7 +85,7 @@ class EventCollectorCharrefs(EventCollector):
 class TestCaseBase(unittest.TestCase):
 
     def get_collector(self):
-        raise NotImplementedError
+        return EventCollector(convert_charrefs=False)
 
     def _run_check(self, source, expected_events, collector=None):
         if collector is None:
@@ -105,21 +105,8 @@ class TestCaseBase(unittest.TestCase):
         self._run_check(source, events,
                         EventCollectorExtra(convert_charrefs=False))
 
-    def _parse_error(self, source):
-        def parse(source=source):
-            parser = self.get_collector()
-            parser.feed(source)
-            parser.close()
-        with self.assertRaises(html.parser.HTMLParseError):
-            with self.assertWarns(DeprecationWarning):
-                parse()
-
 
-class HTMLParserStrictTestCase(TestCaseBase):
-
-    def get_collector(self):
-        with support.check_warnings(("", DeprecationWarning), quite=False):
-            return EventCollector(strict=True, convert_charrefs=False)
+class HTMLParserTestCase(TestCaseBase):
 
     def test_processing_instruction_only(self):
         self._run_check("<?processing instruction>", [
@@ -201,9 +188,6 @@ text
             ("data", "this < text > contains < bare>pointy< brackets"),
             ])
 
-    def test_illegal_declarations(self):
-        self._parse_error('<!spacer type="block" height="25">')
-
     def test_starttag_end_boundary(self):
         self._run_check("""<a b='<'>""", [("starttag", "a", [("b", "<")])])
         self._run_check("""<a b='>'>""", [("starttag", "a", [("b", ">")])])
@@ -238,25 +222,6 @@ text
         self._run_check(["<!--abc--", ">"], output)
         self._run_check(["<!--abc-->", ""], output)
 
-    def test_starttag_junk_chars(self):
-        self._parse_error("</>")
-        self._parse_error("</$>")
-        self._parse_error("</")
-        self._parse_error("</a")
-        self._parse_error("<a<a>")
-        self._parse_error("</a<a>")
-        self._parse_error("<!")
-        self._parse_error("<a")
-        self._parse_error("<a foo='bar'")
-        self._parse_error("<a foo='bar")
-        self._parse_error("<a foo='>'")
-        self._parse_error("<a foo='>")
-        self._parse_error("<a$>")
-        self._parse_error("<a$b>")
-        self._parse_error("<a$b/>")
-        self._parse_error("<a$b  >")
-        self._parse_error("<a$b  />")
-
     def test_valid_doctypes(self):
         # from http://www.w3.org/QA/2002/04/valid-dtd-list.html
         dtds = ['HTML',  # HTML5 doctype
@@ -281,9 +246,6 @@ text
             self._run_check("<!DOCTYPE %s>" % dtd,
                             [('decl', 'DOCTYPE ' + dtd)])
 
-    def test_declaration_junk_chars(self):
-        self._parse_error("<!DOCTYPE foo $ >")
-
     def test_startendtag(self):
         self._run_check("<p/>", [
             ("startendtag", "p", []),
@@ -384,7 +346,8 @@ text
         self._run_check(html, expected)
 
     def test_convert_charrefs(self):
-        collector = lambda: EventCollectorCharrefs(convert_charrefs=True)
+        # default value for convert_charrefs is now True
+        collector = lambda: EventCollectorCharrefs()
         self.assertTrue(collector().convert_charrefs)
         charrefs = ['&quot;', '&#34;', '&#x22;', '&quot', '&#34', '&#x22']
         # check charrefs in the middle of the text/attributes
@@ -421,23 +384,8 @@ text
         self._run_check('no charrefs here', [('data', 'no charrefs here')],
                         collector=collector())
 
-
-class HTMLParserTolerantTestCase(HTMLParserStrictTestCase):
-
-    def get_collector(self):
-        return EventCollector(convert_charrefs=False)
-
-    def test_deprecation_warnings(self):
-        with self.assertWarns(DeprecationWarning):
-            EventCollector()  # convert_charrefs not passed explicitly
-        with self.assertWarns(DeprecationWarning):
-            EventCollector(strict=True)
-        with self.assertWarns(DeprecationWarning):
-            EventCollector(strict=False)
-        with self.assertRaises(html.parser.HTMLParseError):
-            with self.assertWarns(DeprecationWarning):
-                EventCollector().error('test')
-
+    # the remaining tests were for the "tolerant" parser (which is now
+    # the default), and check various kind of broken markup
     def test_tolerant_parsing(self):
         self._run_check('<html <html>te>>xt&a<<bc</a></html>\n'
                         '<img src="URL><//img></html</html>', [
@@ -686,11 +634,7 @@ class HTMLParserTolerantTestCase(HTMLParserStrictTestCase):
         self._run_check(html, expected)
 
 
-class AttributesStrictTestCase(TestCaseBase):
-
-    def get_collector(self):
-        with support.check_warnings(("", DeprecationWarning), quite=False):
-            return EventCollector(strict=True, convert_charrefs=False)
+class AttributesTestCase(TestCaseBase):
 
     def test_attr_syntax(self):
         output = [
@@ -747,12 +691,6 @@ class AttributesStrictTestCase(TestCaseBase):
             [("starttag", "html", [("foo", "\u20AC&aa&unsupported;")])])
 
 
-
-class AttributesTolerantTestCase(AttributesStrictTestCase):
-
-    def get_collector(self):
-        return EventCollector(convert_charrefs=False)
-
     def test_attr_funky_names2(self):
         self._run_check(
             "<a $><b $=%><c \=/>",
diff --git a/Lib/test/test_http_cookies.py b/Lib/test/test_http_cookies.py
index e984252..cf0f6b9 100644
--- a/Lib/test/test_http_cookies.py
+++ b/Lib/test/test_http_cookies.py
@@ -1,5 +1,6 @@
 # Simple test suite for http/cookies.py
 
+import copy
 from test.support import run_unittest, run_doctest, check_warnings
 import unittest
 from http import cookies
@@ -141,13 +142,6 @@ class CookieTests(unittest.TestCase):
         self.assertEqual(C['eggs']['httponly'], 'foo')
         self.assertEqual(C['eggs']['secure'], 'bar')
 
-    def test_bad_attrs(self):
-        # issue 16611: make sure we don't break backward compatibility.
-        C = cookies.SimpleCookie()
-        C.load('cookie=with; invalid; version; second=cookie;')
-        self.assertEqual(C.output(),
-            'Set-Cookie: cookie=with\r\nSet-Cookie: second=cookie')
-
     def test_extra_spaces(self):
         C = cookies.SimpleCookie()
         C.load('eggs  =  scrambled  ;  secure  ;  path  =  bar   ; foo=foo   ')
@@ -182,7 +176,10 @@ class CookieTests(unittest.TestCase):
     def test_invalid_cookies(self):
         # Accepting these could be a security issue
         C = cookies.SimpleCookie()
-        for s in (']foo=x', '[foo=x', 'blah]foo=x', 'blah[foo=x'):
+        for s in (']foo=x', '[foo=x', 'blah]foo=x', 'blah[foo=x',
+                  'Set-Cookie: foo=bar', 'Set-Cookie: foo',
+                  'foo=bar; baz', 'baz; foo=bar',
+                  'secure;foo=bar', 'Version=1;foo=bar'):
             C.load(s)
             self.assertEqual(dict(C), {})
             self.assertEqual(C.output(), '')
@@ -204,6 +201,15 @@ class CookieTests(unittest.TestCase):
 class MorselTests(unittest.TestCase):
     """Tests for the Morsel object."""
 
+    def test_defaults(self):
+        morsel = cookies.Morsel()
+        self.assertIsNone(morsel.key)
+        self.assertIsNone(morsel.value)
+        self.assertIsNone(morsel.coded_value)
+        self.assertEqual(morsel.keys(), cookies.Morsel._reserved.keys())
+        for key, val in morsel.items():
+            self.assertEqual(val, '', key)
+
     def test_reserved_keys(self):
         M = cookies.Morsel()
         # tests valid and invalid reserved keys for Morsels
@@ -247,6 +253,197 @@ class MorselTests(unittest.TestCase):
             self.assertRaises(cookies.CookieError,
                               M.set, i, '%s_value' % i, '%s_value' % i)
 
+    def test_deprecation(self):
+        morsel = cookies.Morsel()
+        with self.assertWarnsRegex(DeprecationWarning, r'\bkey\b'):
+            morsel.key = ''
+        with self.assertWarnsRegex(DeprecationWarning, r'\bvalue\b'):
+            morsel.value = ''
+        with self.assertWarnsRegex(DeprecationWarning, r'\bcoded_value\b'):
+            morsel.coded_value = ''
+        with self.assertWarnsRegex(DeprecationWarning, r'\bLegalChars\b'):
+            morsel.set('key', 'value', 'coded_value', LegalChars='.*')
+
+    def test_eq(self):
+        base_case = ('key', 'value', '"value"')
+        attribs = {
+            'path': '/',
+            'comment': 'foo',
+            'domain': 'example.com',
+            'version': 2,
+        }
+        morsel_a = cookies.Morsel()
+        morsel_a.update(attribs)
+        morsel_a.set(*base_case)
+        morsel_b = cookies.Morsel()
+        morsel_b.update(attribs)
+        morsel_b.set(*base_case)
+        self.assertTrue(morsel_a == morsel_b)
+        self.assertFalse(morsel_a != morsel_b)
+        cases = (
+            ('key', 'value', 'mismatch'),
+            ('key', 'mismatch', '"value"'),
+            ('mismatch', 'value', '"value"'),
+        )
+        for case_b in cases:
+            with self.subTest(case_b):
+                morsel_b = cookies.Morsel()
+                morsel_b.update(attribs)
+                morsel_b.set(*case_b)
+                self.assertFalse(morsel_a == morsel_b)
+                self.assertTrue(morsel_a != morsel_b)
+
+        morsel_b = cookies.Morsel()
+        morsel_b.update(attribs)
+        morsel_b.set(*base_case)
+        morsel_b['comment'] = 'bar'
+        self.assertFalse(morsel_a == morsel_b)
+        self.assertTrue(morsel_a != morsel_b)
+
+        # test mismatched types
+        self.assertFalse(cookies.Morsel() == 1)
+        self.assertTrue(cookies.Morsel() != 1)
+        self.assertFalse(cookies.Morsel() == '')
+        self.assertTrue(cookies.Morsel() != '')
+        items = list(cookies.Morsel().items())
+        self.assertFalse(cookies.Morsel() == items)
+        self.assertTrue(cookies.Morsel() != items)
+
+        # morsel/dict
+        morsel = cookies.Morsel()
+        morsel.set(*base_case)
+        morsel.update(attribs)
+        self.assertTrue(morsel == dict(morsel))
+        self.assertFalse(morsel != dict(morsel))
+
+    def test_copy(self):
+        morsel_a = cookies.Morsel()
+        morsel_a.set('foo', 'bar', 'baz')
+        morsel_a.update({
+            'version': 2,
+            'comment': 'foo',
+        })
+        morsel_b = morsel_a.copy()
+        self.assertIsInstance(morsel_b, cookies.Morsel)
+        self.assertIsNot(morsel_a, morsel_b)
+        self.assertEqual(morsel_a, morsel_b)
+
+        morsel_b = copy.copy(morsel_a)
+        self.assertIsInstance(morsel_b, cookies.Morsel)
+        self.assertIsNot(morsel_a, morsel_b)
+        self.assertEqual(morsel_a, morsel_b)
+
+    def test_setitem(self):
+        morsel = cookies.Morsel()
+        morsel['expires'] = 0
+        self.assertEqual(morsel['expires'], 0)
+        morsel['Version'] = 2
+        self.assertEqual(morsel['version'], 2)
+        morsel['DOMAIN'] = 'example.com'
+        self.assertEqual(morsel['domain'], 'example.com')
+
+        with self.assertRaises(cookies.CookieError):
+            morsel['invalid'] = 'value'
+        self.assertNotIn('invalid', morsel)
+
+    def test_setdefault(self):
+        morsel = cookies.Morsel()
+        morsel.update({
+            'domain': 'example.com',
+            'version': 2,
+        })
+        # this shouldn't override the default value
+        self.assertEqual(morsel.setdefault('expires', 'value'), '')
+        self.assertEqual(morsel['expires'], '')
+        self.assertEqual(morsel.setdefault('Version', 1), 2)
+        self.assertEqual(morsel['version'], 2)
+        self.assertEqual(morsel.setdefault('DOMAIN', 'value'), 'example.com')
+        self.assertEqual(morsel['domain'], 'example.com')
+
+        with self.assertRaises(cookies.CookieError):
+            morsel.setdefault('invalid', 'value')
+        self.assertNotIn('invalid', morsel)
+
+    def test_update(self):
+        attribs = {'expires': 1, 'Version': 2, 'DOMAIN': 'example.com'}
+        # test dict update
+        morsel = cookies.Morsel()
+        morsel.update(attribs)
+        self.assertEqual(morsel['expires'], 1)
+        self.assertEqual(morsel['version'], 2)
+        self.assertEqual(morsel['domain'], 'example.com')
+        # test iterable update
+        morsel = cookies.Morsel()
+        morsel.update(list(attribs.items()))
+        self.assertEqual(morsel['expires'], 1)
+        self.assertEqual(morsel['version'], 2)
+        self.assertEqual(morsel['domain'], 'example.com')
+        # test iterator update
+        morsel = cookies.Morsel()
+        morsel.update((k, v) for k, v in attribs.items())
+        self.assertEqual(morsel['expires'], 1)
+        self.assertEqual(morsel['version'], 2)
+        self.assertEqual(morsel['domain'], 'example.com')
+
+        with self.assertRaises(cookies.CookieError):
+            morsel.update({'invalid': 'value'})
+        self.assertNotIn('invalid', morsel)
+        self.assertRaises(TypeError, morsel.update)
+        self.assertRaises(TypeError, morsel.update, 0)
+
+    def test_pickle(self):
+        morsel_a = cookies.Morsel()
+        morsel_a.set('foo', 'bar', 'baz')
+        morsel_a.update({
+            'version': 2,
+            'comment': 'foo',
+        })
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            with self.subTest(proto=proto):
+                morsel_b = pickle.loads(pickle.dumps(morsel_a, proto))
+                self.assertIsInstance(morsel_b, cookies.Morsel)
+                self.assertEqual(morsel_b, morsel_a)
+                self.assertEqual(str(morsel_b), str(morsel_a))
+
+    def test_repr(self):
+        morsel = cookies.Morsel()
+        self.assertEqual(repr(morsel), '<Morsel: None=None>')
+        self.assertEqual(str(morsel), 'Set-Cookie: None=None')
+        morsel.set('key', 'val', 'coded_val')
+        self.assertEqual(repr(morsel), '<Morsel: key=coded_val>')
+        self.assertEqual(str(morsel), 'Set-Cookie: key=coded_val')
+        morsel.update({
+            'path': '/',
+            'comment': 'foo',
+            'domain': 'example.com',
+            'max-age': 0,
+            'secure': 0,
+            'version': 1,
+        })
+        self.assertEqual(repr(morsel),
+                '<Morsel: key=coded_val; Comment=foo; Domain=example.com; '
+                'Max-Age=0; Path=/; Version=1>')
+        self.assertEqual(str(morsel),
+                'Set-Cookie: key=coded_val; Comment=foo; Domain=example.com; '
+                'Max-Age=0; Path=/; Version=1')
+        morsel['secure'] = True
+        morsel['httponly'] = 1
+        self.assertEqual(repr(morsel),
+                '<Morsel: key=coded_val; Comment=foo; Domain=example.com; '
+                'HttpOnly; Max-Age=0; Path=/; Secure; Version=1>')
+        self.assertEqual(str(morsel),
+                'Set-Cookie: key=coded_val; Comment=foo; Domain=example.com; '
+                'HttpOnly; Max-Age=0; Path=/; Secure; Version=1')
+
+        morsel = cookies.Morsel()
+        morsel.set('key', 'val', 'coded_val')
+        morsel['expires'] = 0
+        self.assertRegex(repr(morsel),
+                r'<Morsel: key=coded_val; '
+                r'expires=\w+, \d+ \w+ \d+ \d+:\d+:\d+ \w+>')
+        self.assertRegex(str(morsel),
+                r'Set-Cookie: key=coded_val; '
+                r'expires=\w+, \d+ \w+ \d+ \d+:\d+:\d+ \w+')
 
 def test_main():
     run_unittest(CookieTests, MorselTests)
diff --git a/Lib/test/test_httplib.py b/Lib/test/test_httplib.py
index df9a9e3..d809414 100644
--- a/Lib/test/test_httplib.py
+++ b/Lib/test/test_httplib.py
@@ -19,6 +19,26 @@ CERT_fakehostname = os.path.join(here, 'keycert2.pem')
 # Self-signed cert file for self-signed.pythontest.net
 CERT_selfsigned_pythontestdotnet = os.path.join(here, 'selfsigned_pythontestdotnet.pem')
 
+# constants for testing chunked encoding
+chunked_start = (
+    'HTTP/1.1 200 OK\r\n'
+    'Transfer-Encoding: chunked\r\n\r\n'
+    'a\r\n'
+    'hello worl\r\n'
+    '3\r\n'
+    'd! \r\n'
+    '8\r\n'
+    'and now \r\n'
+    '22\r\n'
+    'for something completely different\r\n'
+)
+chunked_expected = b'hello world! and now for something completely different'
+chunk_extension = ";foo=bar"
+last_chunk = "0\r\n"
+last_chunk_extended = "0" + chunk_extension + "\r\n"
+trailers = "X-Dummy: foo\r\nX-Dumm2: bar\r\n"
+chunked_end = "\r\n"
+
 HOST = support.HOST
 
 class FakeSocket:
@@ -51,6 +71,9 @@ class FakeSocket:
     def close(self):
         pass
 
+    def setsockopt(self, level, optname, value):
+        pass
+
 class EPipeSocket(FakeSocket):
 
     def __init__(self, text, pipe_trigger):
@@ -84,6 +107,23 @@ class NoEOFBytesIO(io.BytesIO):
             raise AssertionError('caller tried to read past EOF')
         return data
 
+class FakeSocketHTTPConnection(client.HTTPConnection):
+    """HTTPConnection subclass using FakeSocket; counts connect() calls"""
+
+    def __init__(self, *args):
+        self.connections = 0
+        super().__init__('example.com')
+        self.fake_socket_args = args
+        self._create_connection = self.create_connection
+
+    def connect(self):
+        """Count the number of times connect() is invoked"""
+        self.connections += 1
+        return super().connect()
+
+    def create_connection(self, *pos, **kw):
+        return FakeSocket(*self.fake_socket_args)
+
 class HeaderTests(TestCase):
     def test_auto_headers(self):
         # Some headers are added automatically, but should not be added by
@@ -548,20 +588,8 @@ class BasicTest(TestCase):
             conn.request('POST', 'test', conn)
 
     def test_chunked(self):
-        chunked_start = (
-            'HTTP/1.1 200 OK\r\n'
-            'Transfer-Encoding: chunked\r\n\r\n'
-            'a\r\n'
-            'hello worl\r\n'
-            '3\r\n'
-            'd! \r\n'
-            '8\r\n'
-            'and now \r\n'
-            '22\r\n'
-            'for something completely different\r\n'
-        )
-        expected = b'hello world! and now for something completely different'
-        sock = FakeSocket(chunked_start + '0\r\n')
+        expected = chunked_expected
+        sock = FakeSocket(chunked_start + last_chunk + chunked_end)
         resp = client.HTTPResponse(sock, method="GET")
         resp.begin()
         self.assertEqual(resp.read(), expected)
@@ -569,7 +597,7 @@ class BasicTest(TestCase):
 
         # Various read sizes
         for n in range(1, 12):
-            sock = FakeSocket(chunked_start + '0\r\n')
+            sock = FakeSocket(chunked_start + last_chunk + chunked_end)
             resp = client.HTTPResponse(sock, method="GET")
             resp.begin()
             self.assertEqual(resp.read(n) + resp.read(n) + resp.read(), expected)
@@ -592,23 +620,12 @@ class BasicTest(TestCase):
                 resp.close()
 
     def test_readinto_chunked(self):
-        chunked_start = (
-            'HTTP/1.1 200 OK\r\n'
-            'Transfer-Encoding: chunked\r\n\r\n'
-            'a\r\n'
-            'hello worl\r\n'
-            '3\r\n'
-            'd! \r\n'
-            '8\r\n'
-            'and now \r\n'
-            '22\r\n'
-            'for something completely different\r\n'
-        )
-        expected = b'hello world! and now for something completely different'
+
+        expected = chunked_expected
         nexpected = len(expected)
         b = bytearray(128)
 
-        sock = FakeSocket(chunked_start + '0\r\n')
+        sock = FakeSocket(chunked_start + last_chunk + chunked_end)
         resp = client.HTTPResponse(sock, method="GET")
         resp.begin()
         n = resp.readinto(b)
@@ -618,7 +635,7 @@ class BasicTest(TestCase):
 
         # Various read sizes
         for n in range(1, 12):
-            sock = FakeSocket(chunked_start + '0\r\n')
+            sock = FakeSocket(chunked_start + last_chunk + chunked_end)
             resp = client.HTTPResponse(sock, method="GET")
             resp.begin()
             m = memoryview(b)
@@ -654,7 +671,7 @@ class BasicTest(TestCase):
             '1\r\n'
             'd\r\n'
         )
-        sock = FakeSocket(chunked_start + '0\r\n')
+        sock = FakeSocket(chunked_start + last_chunk + chunked_end)
         resp = client.HTTPResponse(sock, method="HEAD")
         resp.begin()
         self.assertEqual(resp.read(), b'')
@@ -674,7 +691,7 @@ class BasicTest(TestCase):
             '1\r\n'
             'd\r\n'
         )
-        sock = FakeSocket(chunked_start + '0\r\n')
+        sock = FakeSocket(chunked_start + last_chunk + chunked_end)
         resp = client.HTTPResponse(sock, method="HEAD")
         resp.begin()
         b = bytearray(5)
@@ -749,6 +766,7 @@ class BasicTest(TestCase):
             + '0' * 65536 + 'a\r\n'
             'hello world\r\n'
             '0\r\n'
+            '\r\n'
         )
         resp = client.HTTPResponse(FakeSocket(body))
         resp.begin()
@@ -766,28 +784,6 @@ class BasicTest(TestCase):
         resp.close()
         self.assertTrue(resp.closed)
 
-    def test_delayed_ack_opt(self):
-        # Test that Nagle/delayed_ack optimistaion works correctly.
-
-        # For small payloads, it should coalesce the body with
-        # headers, resulting in a single sendall() call
-        conn = client.HTTPConnection('example.com')
-        sock = FakeSocket(None)
-        conn.sock = sock
-        body = b'x' * (conn.mss - 1)
-        conn.request('POST', '/', body)
-        self.assertEqual(sock.sendall_calls, 1)
-
-        # For large payloads, it should send the headers and
-        # then the body, resulting in more than one sendall()
-        # call
-        conn = client.HTTPConnection('example.com')
-        sock = FakeSocket(None)
-        conn.sock = sock
-        body = b'x' * conn.mss
-        conn.request('POST', '/', body)
-        self.assertGreater(sock.sendall_calls, 1)
-
     def test_error_leak(self):
         # Test that the socket is not leaked if getresponse() fails
         conn = client.HTTPConnection('example.com')
@@ -798,12 +794,245 @@ class BasicTest(TestCase):
                 response = self  # Avoid garbage collector closing the socket
                 client.HTTPResponse.__init__(self, *pos, **kw)
         conn.response_class = Response
-        conn.sock = FakeSocket('')  # Emulate server dropping connection
+        conn.sock = FakeSocket('Invalid status line')
         conn.request('GET', '/')
         self.assertRaises(client.BadStatusLine, conn.getresponse)
         self.assertTrue(response.closed)
         self.assertTrue(conn.sock.file_closed)
 
+    def test_chunked_extension(self):
+        extra = '3;foo=bar\r\n' + 'abc\r\n'
+        expected = chunked_expected + b'abc'
+
+        sock = FakeSocket(chunked_start + extra + last_chunk_extended + chunked_end)
+        resp = client.HTTPResponse(sock, method="GET")
+        resp.begin()
+        self.assertEqual(resp.read(), expected)
+        resp.close()
+
+    def test_chunked_missing_end(self):
+        """some servers may serve up a short chunked encoding stream"""
+        expected = chunked_expected
+        sock = FakeSocket(chunked_start + last_chunk)  #no terminating crlf
+        resp = client.HTTPResponse(sock, method="GET")
+        resp.begin()
+        self.assertEqual(resp.read(), expected)
+        resp.close()
+
+    def test_chunked_trailers(self):
+        """See that trailers are read and ignored"""
+        expected = chunked_expected
+        sock = FakeSocket(chunked_start + last_chunk + trailers + chunked_end)
+        resp = client.HTTPResponse(sock, method="GET")
+        resp.begin()
+        self.assertEqual(resp.read(), expected)
+        # we should have reached the end of the file
+        self.assertEqual(sock.file.read(100), b"") #we read to the end
+        resp.close()
+
+    def test_chunked_sync(self):
+        """Check that we don't read past the end of the chunked-encoding stream"""
+        expected = chunked_expected
+        extradata = "extradata"
+        sock = FakeSocket(chunked_start + last_chunk + trailers + chunked_end + extradata)
+        resp = client.HTTPResponse(sock, method="GET")
+        resp.begin()
+        self.assertEqual(resp.read(), expected)
+        # the file should now have our extradata ready to be read
+        self.assertEqual(sock.file.read(100), extradata.encode("ascii")) #we read to the end
+        resp.close()
+
+    def test_content_length_sync(self):
+        """Check that we don't read past the end of the Content-Length stream"""
+        extradata = "extradata"
+        expected = b"Hello123\r\n"
+        sock = FakeSocket('HTTP/1.1 200 OK\r\nContent-Length: 10\r\n\r\nHello123\r\n' + extradata)
+        resp = client.HTTPResponse(sock, method="GET")
+        resp.begin()
+        self.assertEqual(resp.read(), expected)
+        # the file should now have our extradata ready to be read
+        self.assertEqual(sock.file.read(100), extradata.encode("ascii")) #we read to the end
+        resp.close()
+
+class ExtendedReadTest(TestCase):
+    """
+    Test peek(), read1(), readline()
+    """
+    lines = (
+        'HTTP/1.1 200 OK\r\n'
+        '\r\n'
+        'hello world!\n'
+        'and now \n'
+        'for something completely different\n'
+        'foo'
+        )
+    lines_expected = lines[lines.find('hello'):].encode("ascii")
+    lines_chunked = (
+        'HTTP/1.1 200 OK\r\n'
+        'Transfer-Encoding: chunked\r\n\r\n'
+        'a\r\n'
+        'hello worl\r\n'
+        '3\r\n'
+        'd!\n\r\n'
+        '9\r\n'
+        'and now \n\r\n'
+        '23\r\n'
+        'for something completely different\n\r\n'
+        '3\r\n'
+        'foo\r\n'
+        '0\r\n' # terminating chunk
+        '\r\n'  # end of trailers
+    )
+
+    def setUp(self):
+        sock = FakeSocket(self.lines)
+        resp = client.HTTPResponse(sock, method="GET")
+        resp.begin()
+        resp.fp = io.BufferedReader(resp.fp)
+        self.resp = resp
+
+
+
+    def test_peek(self):
+        resp = self.resp
+        # patch up the buffered peek so that it returns not too much stuff
+        oldpeek = resp.fp.peek
+        def mypeek(n=-1):
+            p = oldpeek(n)
+            if n >= 0:
+                return p[:n]
+            return p[:10]
+        resp.fp.peek = mypeek
+
+        all = []
+        while True:
+            # try a short peek
+            p = resp.peek(3)
+            if p:
+                self.assertGreater(len(p), 0)
+                # then unbounded peek
+                p2 = resp.peek()
+                self.assertGreaterEqual(len(p2), len(p))
+                self.assertTrue(p2.startswith(p))
+                next = resp.read(len(p2))
+                self.assertEqual(next, p2)
+            else:
+                next = resp.read()
+                self.assertFalse(next)
+            all.append(next)
+            if not next:
+                break
+        self.assertEqual(b"".join(all), self.lines_expected)
+
+    def test_readline(self):
+        resp = self.resp
+        self._verify_readline(self.resp.readline, self.lines_expected)
+
+    def _verify_readline(self, readline, expected):
+        all = []
+        while True:
+            # short readlines
+            line = readline(5)
+            if line and line != b"foo":
+                if len(line) < 5:
+                    self.assertTrue(line.endswith(b"\n"))
+            all.append(line)
+            if not line:
+                break
+        self.assertEqual(b"".join(all), expected)
+
+    def test_read1(self):
+        resp = self.resp
+        def r():
+            res = resp.read1(4)
+            self.assertLessEqual(len(res), 4)
+            return res
+        readliner = Readliner(r)
+        self._verify_readline(readliner.readline, self.lines_expected)
+
+    def test_read1_unbounded(self):
+        resp = self.resp
+        all = []
+        while True:
+            data = resp.read1()
+            if not data:
+                break
+            all.append(data)
+        self.assertEqual(b"".join(all), self.lines_expected)
+
+    def test_read1_bounded(self):
+        resp = self.resp
+        all = []
+        while True:
+            data = resp.read1(10)
+            if not data:
+                break
+            self.assertLessEqual(len(data), 10)
+            all.append(data)
+        self.assertEqual(b"".join(all), self.lines_expected)
+
+    def test_read1_0(self):
+        self.assertEqual(self.resp.read1(0), b"")
+
+    def test_peek_0(self):
+        p = self.resp.peek(0)
+        self.assertLessEqual(0, len(p))
+
+class ExtendedReadTestChunked(ExtendedReadTest):
+    """
+    Test peek(), read1(), readline() in chunked mode
+    """
+    lines = (
+        'HTTP/1.1 200 OK\r\n'
+        'Transfer-Encoding: chunked\r\n\r\n'
+        'a\r\n'
+        'hello worl\r\n'
+        '3\r\n'
+        'd!\n\r\n'
+        '9\r\n'
+        'and now \n\r\n'
+        '23\r\n'
+        'for something completely different\n\r\n'
+        '3\r\n'
+        'foo\r\n'
+        '0\r\n' # terminating chunk
+        '\r\n'  # end of trailers
+    )
+
+
+class Readliner:
+    """
+    a simple readline class that uses an arbitrary read function and buffering
+    """
+    def __init__(self, readfunc):
+        self.readfunc = readfunc
+        self.remainder = b""
+
+    def readline(self, limit):
+        data = []
+        datalen = 0
+        read = self.remainder
+        try:
+            while True:
+                idx = read.find(b'\n')
+                if idx != -1:
+                    break
+                if datalen + len(read) >= limit:
+                    idx = limit - datalen - 1
+                # read more data
+                data.append(read)
+                read = self.readfunc()
+                if not read:
+                    idx = 0 #eof condition
+                    break
+            idx += 1
+            data.append(read[:idx])
+            self.remainder = read[idx:]
+            return b"".join(data)
+        except:
+            self.remainder = b"".join(data)
+            raise
+
 
 class OfflineTest(TestCase):
     def test_all(self):
@@ -823,13 +1052,74 @@ class OfflineTest(TestCase):
     def test_responses(self):
         self.assertEqual(client.responses[client.NOT_FOUND], "Not Found")
 
+    def test_client_constants(self):
+        # Make sure we don't break backward compatibility with 3.4
+        expected = [
+            'CONTINUE',
+            'SWITCHING_PROTOCOLS',
+            'PROCESSING',
+            'OK',
+            'CREATED',
+            'ACCEPTED',
+            'NON_AUTHORITATIVE_INFORMATION',
+            'NO_CONTENT',
+            'RESET_CONTENT',
+            'PARTIAL_CONTENT',
+            'MULTI_STATUS',
+            'IM_USED',
+            'MULTIPLE_CHOICES',
+            'MOVED_PERMANENTLY',
+            'FOUND',
+            'SEE_OTHER',
+            'NOT_MODIFIED',
+            'USE_PROXY',
+            'TEMPORARY_REDIRECT',
+            'BAD_REQUEST',
+            'UNAUTHORIZED',
+            'PAYMENT_REQUIRED',
+            'FORBIDDEN',
+            'NOT_FOUND',
+            'METHOD_NOT_ALLOWED',
+            'NOT_ACCEPTABLE',
+            'PROXY_AUTHENTICATION_REQUIRED',
+            'REQUEST_TIMEOUT',
+            'CONFLICT',
+            'GONE',
+            'LENGTH_REQUIRED',
+            'PRECONDITION_FAILED',
+            'REQUEST_ENTITY_TOO_LARGE',
+            'REQUEST_URI_TOO_LONG',
+            'UNSUPPORTED_MEDIA_TYPE',
+            'REQUESTED_RANGE_NOT_SATISFIABLE',
+            'EXPECTATION_FAILED',
+            'UNPROCESSABLE_ENTITY',
+            'LOCKED',
+            'FAILED_DEPENDENCY',
+            'UPGRADE_REQUIRED',
+            'PRECONDITION_REQUIRED',
+            'TOO_MANY_REQUESTS',
+            'REQUEST_HEADER_FIELDS_TOO_LARGE',
+            'INTERNAL_SERVER_ERROR',
+            'NOT_IMPLEMENTED',
+            'BAD_GATEWAY',
+            'SERVICE_UNAVAILABLE',
+            'GATEWAY_TIMEOUT',
+            'HTTP_VERSION_NOT_SUPPORTED',
+            'INSUFFICIENT_STORAGE',
+            'NOT_EXTENDED',
+            'NETWORK_AUTHENTICATION_REQUIRED',
+        ]
+        for const in expected:
+            with self.subTest(constant=const):
+                self.assertTrue(hasattr(client, const))
+
 
 class SourceAddressTest(TestCase):
     def setUp(self):
         self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         self.port = support.bind_port(self.serv)
         self.source_port = support.find_unused_port()
-        self.serv.listen(5)
+        self.serv.listen()
         self.conn = None
 
     def tearDown(self):
@@ -861,7 +1151,7 @@ class TimeoutTest(TestCase):
     def setUp(self):
         self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         TimeoutTest.PORT = support.bind_port(self.serv)
-        self.serv.listen(5)
+        self.serv.listen()
 
     def tearDown(self):
         self.serv.close()
@@ -901,6 +1191,78 @@ class TimeoutTest(TestCase):
         httpConn.close()
 
 
+class PersistenceTest(TestCase):
+
+    def test_reuse_reconnect(self):
+        # Should reuse or reconnect depending on header from server
+        tests = (
+            ('1.0', '', False),
+            ('1.0', 'Connection: keep-alive\r\n', True),
+            ('1.1', '', True),
+            ('1.1', 'Connection: close\r\n', False),
+            ('1.0', 'Connection: keep-ALIVE\r\n', True),
+            ('1.1', 'Connection: cloSE\r\n', False),
+        )
+        for version, header, reuse in tests:
+            with self.subTest(version=version, header=header):
+                msg = (
+                    'HTTP/{} 200 OK\r\n'
+                    '{}'
+                    'Content-Length: 12\r\n'
+                    '\r\n'
+                    'Dummy body\r\n'
+                ).format(version, header)
+                conn = FakeSocketHTTPConnection(msg)
+                self.assertIsNone(conn.sock)
+                conn.request('GET', '/open-connection')
+                with conn.getresponse() as response:
+                    self.assertEqual(conn.sock is None, not reuse)
+                    response.read()
+                self.assertEqual(conn.sock is None, not reuse)
+                self.assertEqual(conn.connections, 1)
+                conn.request('GET', '/subsequent-request')
+                self.assertEqual(conn.connections, 1 if reuse else 2)
+
+    def test_disconnected(self):
+
+        def make_reset_reader(text):
+            """Return BufferedReader that raises ECONNRESET at EOF"""
+            stream = io.BytesIO(text)
+            def readinto(buffer):
+                size = io.BytesIO.readinto(stream, buffer)
+                if size == 0:
+                    raise ConnectionResetError()
+                return size
+            stream.readinto = readinto
+            return io.BufferedReader(stream)
+
+        tests = (
+            (io.BytesIO, client.RemoteDisconnected),
+            (make_reset_reader, ConnectionResetError),
+        )
+        for stream_factory, exception in tests:
+            with self.subTest(exception=exception):
+                conn = FakeSocketHTTPConnection(b'', stream_factory)
+                conn.request('GET', '/eof-response')
+                self.assertRaises(exception, conn.getresponse)
+                self.assertIsNone(conn.sock)
+                # HTTPConnection.connect() should be automatically invoked
+                conn.request('GET', '/reconnect')
+                self.assertEqual(conn.connections, 2)
+
+    def test_100_close(self):
+        conn = FakeSocketHTTPConnection(
+            b'HTTP/1.1 100 Continue\r\n'
+            b'\r\n'
+            # Missing final response
+        )
+        conn.request('GET', '/', headers={'Expect': '100-continue'})
+        self.assertRaises(client.RemoteDisconnected, conn.getresponse)
+        self.assertIsNone(conn.sock)
+        conn.request('GET', '/reconnect')
+        self.assertEqual(conn.connections, 2)
+
+
 class HTTPSTest(TestCase):
 
     def setUp(self):
@@ -1171,17 +1533,18 @@ class TunnelTests(TestCase):
             'HTTP/1.1 200 OK\r\n' # Reply to HEAD
             'Content-Length: 42\r\n\r\n'
         )
-
-        def create_connection(address, timeout=None, source_address=None):
-            return FakeSocket(response_text, host=address[0], port=address[1])
-
         self.host = 'proxy.com'
         self.conn = client.HTTPConnection(self.host)
-        self.conn._create_connection = create_connection
+        self.conn._create_connection = self._create_connection(response_text)
 
     def tearDown(self):
         self.conn.close()
 
+    def _create_connection(self, response_text):
+        def create_connection(address, timeout=None, source_address=None):
+            return FakeSocket(response_text, host=address[0], port=address[1])
+        return create_connection
+
     def test_set_tunnel_host_port_headers(self):
         tunnel_host = 'destination.com'
         tunnel_port = 8888
@@ -1222,13 +1585,27 @@ class TunnelTests(TestCase):
         self.assertIn(b'CONNECT destination.com', self.conn.sock.data)
         self.assertIn(b'Host: destination.com', self.conn.sock.data)
 
+    def test_tunnel_debuglog(self):
+        expected_header = 'X-Dummy: 1'
+        response_text = 'HTTP/1.0 200 OK\r\n{}\r\n\r\n'.format(expected_header)
+
+        self.conn.set_debuglevel(1)
+        self.conn._create_connection = self._create_connection(response_text)
+        self.conn.set_tunnel('destination.com')
+
+        with support.captured_stdout() as output:
+            self.conn.request('PUT', '/', '')
+        lines = output.getvalue().splitlines()
+        self.assertIn('header: {}'.format(expected_header), lines)
 
 
 @support.reap_threads
 def test_main(verbose=None):
     support.run_unittest(HeaderTests, OfflineTest, BasicTest, TimeoutTest,
+                         PersistenceTest,
                          HTTPSTest, RequestBodyTest, SourceAddressTest,
-                         HTTPResponseTest, TunnelTests)
+                         HTTPResponseTest, ExtendedReadTest,
+                         ExtendedReadTestChunked, TunnelTests)
 
 if __name__ == '__main__':
     test_main()
diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
index 74e0714..fcdfe51 100644
--- a/Lib/test/test_httpservers.py
+++ b/Lib/test/test_httpservers.py
@@ -6,7 +6,7 @@ Josip Dzolonga, and Michael Otteneder for the 2007/08 GHOP contest.
 
 from http.server import BaseHTTPRequestHandler, HTTPServer, \
      SimpleHTTPRequestHandler, CGIHTTPRequestHandler
-from http import server
+from http import server, HTTPStatus
 
 import os
 import sys
@@ -79,13 +79,13 @@ class BaseHTTPServerTestCase(BaseTestCase):
         default_request_version = 'HTTP/1.1'
 
         def do_TEST(self):
-            self.send_response(204)
+            self.send_response(HTTPStatus.NO_CONTENT)
             self.send_header('Content-Type', 'text/html')
             self.send_header('Connection', 'close')
             self.end_headers()
 
         def do_KEEP(self):
-            self.send_response(204)
+            self.send_response(HTTPStatus.NO_CONTENT)
             self.send_header('Content-Type', 'text/html')
             self.send_header('Connection', 'keep-alive')
             self.end_headers()
@@ -94,7 +94,7 @@ class BaseHTTPServerTestCase(BaseTestCase):
             self.send_error(999)
 
         def do_NOTFOUND(self):
-            self.send_error(404)
+            self.send_error(HTTPStatus.NOT_FOUND)
 
         def do_EXPLAINERROR(self):
             self.send_error(999, "Short Message",
@@ -122,35 +122,35 @@ class BaseHTTPServerTestCase(BaseTestCase):
     def test_command(self):
         self.con.request('GET', '/')
         res = self.con.getresponse()
-        self.assertEqual(res.status, 501)
+        self.assertEqual(res.status, HTTPStatus.NOT_IMPLEMENTED)
 
     def test_request_line_trimming(self):
         self.con._http_vsn_str = 'HTTP/1.1\n'
         self.con.putrequest('XYZBOGUS', '/')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 501)
+        self.assertEqual(res.status, HTTPStatus.NOT_IMPLEMENTED)
 
     def test_version_bogus(self):
         self.con._http_vsn_str = 'FUBAR'
         self.con.putrequest('GET', '/')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 400)
+        self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
 
     def test_version_digits(self):
         self.con._http_vsn_str = 'HTTP/9.9.9'
         self.con.putrequest('GET', '/')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 400)
+        self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
 
     def test_version_none_get(self):
         self.con._http_vsn_str = ''
         self.con.putrequest('GET', '/')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 501)
+        self.assertEqual(res.status, HTTPStatus.NOT_IMPLEMENTED)
 
     def test_version_none(self):
         # Test that a valid method is rejected when not HTTP/1.x
@@ -158,7 +158,7 @@ class BaseHTTPServerTestCase(BaseTestCase):
         self.con.putrequest('CUSTOM', '/')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 400)
+        self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
 
     def test_version_invalid(self):
         self.con._http_vsn = 99
@@ -166,21 +166,21 @@ class BaseHTTPServerTestCase(BaseTestCase):
         self.con.putrequest('GET', '/')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 505)
+        self.assertEqual(res.status, HTTPStatus.HTTP_VERSION_NOT_SUPPORTED)
 
     def test_send_blank(self):
         self.con._http_vsn_str = ''
         self.con.putrequest('', '')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 400)
+        self.assertEqual(res.status, HTTPStatus.BAD_REQUEST)
 
     def test_header_close(self):
         self.con.putrequest('GET', '/')
         self.con.putheader('Connection', 'close')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 501)
+        self.assertEqual(res.status, HTTPStatus.NOT_IMPLEMENTED)
 
     def test_head_keep_alive(self):
         self.con._http_vsn_str = 'HTTP/1.1'
@@ -188,12 +188,12 @@ class BaseHTTPServerTestCase(BaseTestCase):
         self.con.putheader('Connection', 'keep-alive')
         self.con.endheaders()
         res = self.con.getresponse()
-        self.assertEqual(res.status, 501)
+        self.assertEqual(res.status, HTTPStatus.NOT_IMPLEMENTED)
 
     def test_handler(self):
         self.con.request('TEST', '/')
         res = self.con.getresponse()
-        self.assertEqual(res.status, 204)
+        self.assertEqual(res.status, HTTPStatus.NO_CONTENT)
 
     def test_return_header_keep_alive(self):
         self.con.request('KEEP', '/')
@@ -230,11 +230,48 @@ class BaseHTTPServerTestCase(BaseTestCase):
         # Issue #16088: standard error responses should have a content-length
         self.con.request('NOTFOUND', '/')
         res = self.con.getresponse()
-        self.assertEqual(res.status, 404)
+        self.assertEqual(res.status, HTTPStatus.NOT_FOUND)
+
         data = res.read()
         self.assertEqual(int(res.getheader('Content-Length')), len(data))
 
 
+class RequestHandlerLoggingTestCase(BaseTestCase):
+    class request_handler(BaseHTTPRequestHandler):
+        protocol_version = 'HTTP/1.1'
+        default_request_version = 'HTTP/1.1'
+
+        def do_GET(self):
+            self.send_response(HTTPStatus.OK)
+            self.end_headers()
+
+        def do_ERROR(self):
+            self.send_error(HTTPStatus.NOT_FOUND, 'File not found')
+
+    def test_get(self):
+        self.con = http.client.HTTPConnection(self.HOST, self.PORT)
+        self.con.connect()
+
+        with support.captured_stderr() as err:
+            self.con.request('GET', '/')
+            self.con.getresponse()
+
+        self.assertTrue(
+            err.getvalue().endswith('"GET / HTTP/1.1" 200 -\n'))
+
+    def test_err(self):
+        self.con = http.client.HTTPConnection(self.HOST, self.PORT)
+        self.con.connect()
+
+        with support.captured_stderr() as err:
+            self.con.request('ERROR', '/')
+            self.con.getresponse()
+
+        lines = err.getvalue().split('\n')
+        self.assertTrue(lines[0].endswith('code 404, message File not found'))
+        self.assertTrue(lines[1].endswith('"ERROR / HTTP/1.1" 404 -'))
+
+
 class SimpleHTTPServerTestCase(BaseTestCase):
     class request_handler(NoLogRequestHandler, SimpleHTTPRequestHandler):
         pass
@@ -285,52 +322,52 @@ class SimpleHTTPServerTestCase(BaseTestCase):
                 if name != 'test': # Ignore a filename created in setUp().
                     filename = name
                     break
-        body = self.check_status_and_reason(response, 200)
+        body = self.check_status_and_reason(response, HTTPStatus.OK)
         quotedname = urllib.parse.quote(filename, errors='surrogatepass')
         self.assertIn(('href="%s"' % quotedname)
                       .encode(enc, 'surrogateescape'), body)
         self.assertIn(('>%s<' % html.escape(filename))
                       .encode(enc, 'surrogateescape'), body)
         response = self.request(self.tempdir_name + '/' + quotedname)
-        self.check_status_and_reason(response, 200,
+        self.check_status_and_reason(response, HTTPStatus.OK,
                                      data=support.TESTFN_UNDECODABLE)
 
     def test_get(self):
         #constructs the path relative to the root directory of the HTTPServer
         response = self.request(self.tempdir_name + '/test')
-        self.check_status_and_reason(response, 200, data=self.data)
+        self.check_status_and_reason(response, HTTPStatus.OK, data=self.data)
         # check for trailing "/" which should return 404. See Issue17324
         response = self.request(self.tempdir_name + '/test/')
-        self.check_status_and_reason(response, 404)
+        self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
         response = self.request(self.tempdir_name + '/')
-        self.check_status_and_reason(response, 200)
+        self.check_status_and_reason(response, HTTPStatus.OK)
         response = self.request(self.tempdir_name)
-        self.check_status_and_reason(response, 301)
+        self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
         response = self.request(self.tempdir_name + '/?hi=2')
-        self.check_status_and_reason(response, 200)
+        self.check_status_and_reason(response, HTTPStatus.OK)
         response = self.request(self.tempdir_name + '?hi=1')
-        self.check_status_and_reason(response, 301)
+        self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
         self.assertEqual(response.getheader("Location"),
                          self.tempdir_name + "/?hi=1")
         response = self.request('/ThisDoesNotExist')
-        self.check_status_and_reason(response, 404)
+        self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
         response = self.request('/' + 'ThisDoesNotExist' + '/')
-        self.check_status_and_reason(response, 404)
+        self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
         with open(os.path.join(self.tempdir_name, 'index.html'), 'w') as f:
             response = self.request('/' + self.tempdir_name + '/')
-            self.check_status_and_reason(response, 200)
+            self.check_status_and_reason(response, HTTPStatus.OK)
             # chmod() doesn't work as expected on Windows, and filesystem
             # permissions are ignored by root on Unix.
             if os.name == 'posix' and os.geteuid() != 0:
                 os.chmod(self.tempdir, 0)
                 response = self.request(self.tempdir_name + '/')
-                self.check_status_and_reason(response, 404)
+                self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
                 os.chmod(self.tempdir, 0o755)
 
     def test_head(self):
         response = self.request(
             self.tempdir_name + '/test', method='HEAD')
-        self.check_status_and_reason(response, 200)
+        self.check_status_and_reason(response, HTTPStatus.OK)
         self.assertEqual(response.getheader('content-length'),
                          str(len(self.data)))
         self.assertEqual(response.getheader('content-type'),
@@ -338,12 +375,12 @@ class SimpleHTTPServerTestCase(BaseTestCase):
 
     def test_invalid_requests(self):
         response = self.request('/', method='FOO')
-        self.check_status_and_reason(response, 501)
+        self.check_status_and_reason(response, HTTPStatus.NOT_IMPLEMENTED)
         # requests must be case sensitive,so this should fail too
         response = self.request('/', method='custom')
-        self.check_status_and_reason(response, 501)
+        self.check_status_and_reason(response, HTTPStatus.NOT_IMPLEMENTED)
         response = self.request('/', method='GETs')
-        self.check_status_and_reason(response, 501)
+        self.check_status_and_reason(response, HTTPStatus.NOT_IMPLEMENTED)
 
 
 cgi_file1 = """\
@@ -490,12 +527,13 @@ class CGIHTTPServerTestCase(BaseTestCase):
 
     def test_headers_and_content(self):
         res = self.request('/cgi-bin/file1.py')
-        self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
-            (res.read(), res.getheader('Content-type'), res.status))
+        self.assertEqual(
+            (res.read(), res.getheader('Content-type'), res.status),
+            (b'Hello World' + self.linesep, 'text/html', HTTPStatus.OK))
 
     def test_issue19435(self):
         res = self.request('///////////nocgi.py/../cgi-bin/nothere.sh')
-        self.assertEqual(res.status, 404)
+        self.assertEqual(res.status, HTTPStatus.NOT_FOUND)
 
     def test_post(self):
         params = urllib.parse.urlencode(
@@ -508,38 +546,43 @@ class CGIHTTPServerTestCase(BaseTestCase):
     def test_invaliduri(self):
         res = self.request('/cgi-bin/invalid')
         res.read()
-        self.assertEqual(res.status, 404)
+        self.assertEqual(res.status, HTTPStatus.NOT_FOUND)
 
     def test_authorization(self):
         headers = {b'Authorization' : b'Basic ' +
                    base64.b64encode(b'username:pass')}
         res = self.request('/cgi-bin/file1.py', 'GET', headers=headers)
-        self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
-                (res.read(), res.getheader('Content-type'), res.status))
+        self.assertEqual(
+            (b'Hello World' + self.linesep, 'text/html', HTTPStatus.OK),
+            (res.read(), res.getheader('Content-type'), res.status))
 
     def test_no_leading_slash(self):
         # http://bugs.python.org/issue2254
         res = self.request('cgi-bin/file1.py')
-        self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
-             (res.read(), res.getheader('Content-type'), res.status))
+        self.assertEqual(
+            (b'Hello World' + self.linesep, 'text/html', HTTPStatus.OK),
+            (res.read(), res.getheader('Content-type'), res.status))
 
     def test_os_environ_is_not_altered(self):
         signature = "Test CGI Server"
         os.environ['SERVER_SOFTWARE'] = signature
         res = self.request('/cgi-bin/file1.py')
-        self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
-                (res.read(), res.getheader('Content-type'), res.status))
+        self.assertEqual(
+            (b'Hello World' + self.linesep, 'text/html', HTTPStatus.OK),
+            (res.read(), res.getheader('Content-type'), res.status))
         self.assertEqual(os.environ['SERVER_SOFTWARE'], signature)
 
     def test_urlquote_decoding_in_cgi_check(self):
         res = self.request('/cgi-bin%2ffile1.py')
-        self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
-                (res.read(), res.getheader('Content-type'), res.status))
+        self.assertEqual(
+            (b'Hello World' + self.linesep, 'text/html', HTTPStatus.OK),
+            (res.read(), res.getheader('Content-type'), res.status))
 
     def test_nested_cgi_path_issue21323(self):
         res = self.request('/cgi-bin/child-dir/file3.py')
-        self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
-                (res.read(), res.getheader('Content-type'), res.status))
+        self.assertEqual(
+            (b'Hello World' + self.linesep, 'text/html', HTTPStatus.OK),
+            (res.read(), res.getheader('Content-type'), res.status))
 
 
 class SocketlessRequestHandler(SimpleHTTPRequestHandler):
@@ -549,7 +592,7 @@ class SocketlessRequestHandler(SimpleHTTPRequestHandler):
 
     def do_GET(self):
         self.get_called = True
-        self.send_response(200)
+        self.send_response(HTTPStatus.OK)
         self.send_header('Content-Type', 'text/html')
         self.end_headers()
         self.wfile.write(b'<html><body>Data</body></html>\r\n')
@@ -559,7 +602,7 @@ class SocketlessRequestHandler(SimpleHTTPRequestHandler):
 
 class RejectingSocketlessRequestHandler(SocketlessRequestHandler):
     def handle_expect_100(self):
-        self.send_error(417)
+        self.send_error(HTTPStatus.EXPECTATION_FAILED)
         return False
 
 
@@ -816,6 +859,7 @@ def test_main(verbose=None):
     cwd = os.getcwd()
     try:
         support.run_unittest(
+            RequestHandlerLoggingTestCase,
             BaseHTTPRequestHandlerTestCase,
             BaseHTTPServerTestCase,
             SimpleHTTPServerTestCase,
diff --git a/Lib/test/test_imaplib.py b/Lib/test/test_imaplib.py
index b34e652..5485a2a 100644
--- a/Lib/test/test_imaplib.py
+++ b/Lib/test/test_imaplib.py
@@ -11,7 +11,8 @@ import socketserver
 import time
 import calendar
 
-from test.support import reap_threads, verbose, transient_internet, run_with_tz, run_with_locale
+from test.support import (reap_threads, verbose, transient_internet,
+                          run_with_tz, run_with_locale)
 import unittest
 from datetime import datetime, timezone, timedelta
 try:
@@ -19,8 +20,8 @@ try:
 except ImportError:
     ssl = None
 
-CERTFILE = None
-CAFILE = None
+CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert3.pem")
+CAFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "pycacert.pem")
 
 
 class TestImaplib(unittest.TestCase):
@@ -41,17 +42,15 @@ class TestImaplib(unittest.TestCase):
     def test_Internaldate2tuple_issue10941(self):
         self.assertNotEqual(imaplib.Internaldate2tuple(
             b'25 (INTERNALDATE "02-Apr-2000 02:30:00 +0000")'),
-                            imaplib.Internaldate2tuple(
-            b'25 (INTERNALDATE "02-Apr-2000 03:30:00 +0000")'))
-
-
+            imaplib.Internaldate2tuple(
+                b'25 (INTERNALDATE "02-Apr-2000 03:30:00 +0000")'))
 
     def timevalues(self):
         return [2000000000, 2000000000.0, time.localtime(2000000000),
                 (2033, 5, 18, 5, 33, 20, -1, -1, -1),
                 (2033, 5, 18, 5, 33, 20, -1, -1, 1),
                 datetime.fromtimestamp(2000000000,
-                                       timezone(timedelta(0, 2*60*60))),
+                                       timezone(timedelta(0, 2 * 60 * 60))),
                 '"18-May-2033 05:33:20 +0200"']
 
     @run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
@@ -72,7 +71,6 @@ class TestImaplib(unittest.TestCase):
 
 
 if ssl:
-
     class SecureTCPServer(socketserver.TCPServer):
 
         def get_request(self):
@@ -93,13 +91,17 @@ else:
 
 
 class SimpleIMAPHandler(socketserver.StreamRequestHandler):
-
     timeout = 1
     continuation = None
     capabilities = ''
 
+    def setup(self):
+        super().setup()
+        self.server.logged = None
+
     def _send(self, message):
-        if verbose: print("SENT: %r" % message.strip())
+        if verbose:
+            print("SENT: %r" % message.strip())
         self.wfile.write(message)
 
     def _send_line(self, message):
@@ -132,7 +134,8 @@ class SimpleIMAPHandler(socketserver.StreamRequestHandler):
                 if line.endswith(b'\r\n'):
                     break
 
-            if verbose: print('GOT: %r' % line.strip())
+            if verbose:
+                print('GOT: %r' % line.strip())
             if self.continuation:
                 try:
                     self.continuation.send(line)
@@ -144,8 +147,8 @@ class SimpleIMAPHandler(socketserver.StreamRequestHandler):
             cmd = splitline[1]
             args = splitline[2:]
 
-            if hasattr(self, 'cmd_'+cmd):
-                continuation = getattr(self, 'cmd_'+cmd)(tag, args)
+            if hasattr(self, 'cmd_' + cmd):
+                continuation = getattr(self, 'cmd_' + cmd)(tag, args)
                 if continuation:
                     self.continuation = continuation
                     next(continuation)
@@ -153,16 +156,25 @@ class SimpleIMAPHandler(socketserver.StreamRequestHandler):
                 self._send_tagged(tag, 'BAD', cmd + ' unknown')
 
     def cmd_CAPABILITY(self, tag, args):
-        caps = 'IMAP4rev1 ' + self.capabilities if self.capabilities else 'IMAP4rev1'
+        caps = ('IMAP4rev1 ' + self.capabilities
+                if self.capabilities
+                else 'IMAP4rev1')
         self._send_textline('* CAPABILITY ' + caps)
         self._send_tagged(tag, 'OK', 'CAPABILITY completed')
 
     def cmd_LOGOUT(self, tag, args):
+        self.server.logged = None
         self._send_textline('* BYE IMAP4ref1 Server logging out')
         self._send_tagged(tag, 'OK', 'LOGOUT completed')
 
+    def cmd_LOGIN(self, tag, args):
+        self.server.logged = args[0]
+        self._send_tagged(tag, 'OK', 'LOGIN completed')
 
-class BaseThreadedNetworkedTests(unittest.TestCase):
+
+class ThreadedNetworkedTests(unittest.TestCase):
+    server_class = socketserver.TCPServer
+    imap_class = imaplib.IMAP4
 
     def make_server(self, addr, hdlr):
 
@@ -172,7 +184,8 @@ class BaseThreadedNetworkedTests(unittest.TestCase):
                 self.server_close()
                 raise
 
-        if verbose: print("creating server")
+        if verbose:
+            print("creating server")
         server = MyServer(addr, hdlr)
         self.assertEqual(server.server_address, server.socket.getsockname())
 
@@ -188,18 +201,21 @@ class BaseThreadedNetworkedTests(unittest.TestCase):
             # Short poll interval to make the test finish quickly.
             # Time between requests is short enough that we won't wake
             # up spuriously too many times.
-            kwargs={'poll_interval':0.01})
+            kwargs={'poll_interval': 0.01})
         t.daemon = True  # In case this function raises.
         t.start()
-        if verbose: print("server running")
+        if verbose:
+            print("server running")
         return server, t
 
     def reap_server(self, server, thread):
-        if verbose: print("waiting for server")
+        if verbose:
+            print("waiting for server")
         server.shutdown()
         server.server_close()
         thread.join()
-        if verbose: print("done")
+        if verbose:
+            print("done")
 
     @contextmanager
     def reaped_server(self, hdlr):
@@ -256,7 +272,7 @@ class BaseThreadedNetworkedTests(unittest.TestCase):
 
             def cmd_AUTHENTICATE(self, tag, args):
                 self._send_tagged(tag, 'NO', 'unrecognized authentication '
-                        'type {}'.format(args[0]))
+                                  'type {}'.format(args[0]))
 
         with self.reaped_pair(MyServer) as (server, client):
             with self.assertRaises(imaplib.IMAP4.error):
@@ -290,13 +306,13 @@ class BaseThreadedNetworkedTests(unittest.TestCase):
             code, data = client.authenticate('MYAUTH', lambda x: b'fake')
             self.assertEqual(code, 'OK')
             self.assertEqual(server.response,
-                             b'ZmFrZQ==\r\n') #b64 encoded 'fake'
+                             b'ZmFrZQ==\r\n')  # b64 encoded 'fake'
 
         with self.reaped_pair(MyServer) as (server, client):
             code, data = client.authenticate('MYAUTH', lambda x: 'fake')
             self.assertEqual(code, 'OK')
             self.assertEqual(server.response,
-                             b'ZmFrZQ==\r\n') #b64 encoded 'fake'
+                             b'ZmFrZQ==\r\n')  # b64 encoded 'fake'
 
     @reap_threads
     def test_login_cram_md5(self):
@@ -307,9 +323,10 @@ class BaseThreadedNetworkedTests(unittest.TestCase):
 
             def cmd_AUTHENTICATE(self, tag, args):
                 self._send_textline('+ PDE4OTYuNjk3MTcwOTUyQHBvc3RvZmZpY2Uucm'
-                                       'VzdG9uLm1jaS5uZXQ=')
+                                    'VzdG9uLm1jaS5uZXQ=')
                 r = yield
-                if r ==  b'dGltIGYxY2E2YmU0NjRiOWVmYTFjY2E2ZmZkNmNmMmQ5ZjMy\r\n':
+                if (r == b'dGltIGYxY2E2YmU0NjRiOWVmYT'
+                         b'FjY2E2ZmZkNmNmMmQ5ZjMy\r\n'):
                     self._send_tagged(tag, 'OK', 'CRAM-MD5 successful')
                 else:
                     self._send_tagged(tag, 'NO', 'No access')
@@ -324,27 +341,45 @@ class BaseThreadedNetworkedTests(unittest.TestCase):
             ret, data = client.login_cram_md5("tim", b"tanstaaftanstaaf")
             self.assertEqual(ret, "OK")
 
-
     def test_linetoolong(self):
         class TooLongHandler(SimpleIMAPHandler):
             def handle(self):
                 # Send a very long response line
-                self.wfile.write(b'* OK ' + imaplib._MAXLINE*b'x' + b'\r\n')
+                self.wfile.write(b'* OK ' + imaplib._MAXLINE * b'x' + b'\r\n')
 
         with self.reaped_server(TooLongHandler) as server:
             self.assertRaises(imaplib.IMAP4.error,
                               self.imap_class, *server.server_address)
 
+    @reap_threads
+    def test_simple_with_statement(self):
+        # simplest call
+        with self.reaped_server(SimpleIMAPHandler) as server:
+            with self.imap_class(*server.server_address):
+                pass
 
-class ThreadedNetworkedTests(BaseThreadedNetworkedTests):
+    @reap_threads
+    def test_with_statement(self):
+        with self.reaped_server(SimpleIMAPHandler) as server:
+            with self.imap_class(*server.server_address) as imap:
+                imap.login('user', 'pass')
+                self.assertEqual(server.logged, 'user')
+            self.assertIsNone(server.logged)
 
-    server_class = socketserver.TCPServer
-    imap_class = imaplib.IMAP4
+    @reap_threads
+    def test_with_statement_logout(self):
+        # what happens if already logout in the block?
+        with self.reaped_server(SimpleIMAPHandler) as server:
+            with self.imap_class(*server.server_address) as imap:
+                imap.login('user', 'pass')
+                self.assertEqual(server.logged, 'user')
+                imap.logout()
+                self.assertIsNone(server.logged)
+            self.assertIsNone(server.logged)
 
 
 @unittest.skipUnless(ssl, "SSL not available")
-class ThreadedNetworkedTestsSSL(BaseThreadedNetworkedTests):
-
+class ThreadedNetworkedTestsSSL(ThreadedNetworkedTests):
     server_class = SecureTCPServer
     imap_class = IMAP4_SSL
 
@@ -355,8 +390,9 @@ class ThreadedNetworkedTestsSSL(BaseThreadedNetworkedTests):
         ssl_context.check_hostname = True
         ssl_context.load_verify_locations(CAFILE)
 
-        with self.assertRaisesRegex(ssl.CertificateError,
-                                    "hostname '127.0.0.1' doesn't match 'localhost'"):
+        with self.assertRaisesRegex(
+                ssl.CertificateError,
+                "hostname '127.0.0.1' doesn't match 'localhost'"):
             with self.reaped_server(SimpleIMAPHandler) as server:
                 client = self.imap_class(*server.server_address,
                                          ssl_context=ssl_context)
@@ -368,6 +404,8 @@ class ThreadedNetworkedTestsSSL(BaseThreadedNetworkedTests):
             client.shutdown()
 
 
+@unittest.skipUnless(
+    support.is_resource_enabled('network'), 'network resource disabled')
 class RemoteIMAPTest(unittest.TestCase):
     host = 'cyrus.andrew.cmu.edu'
     port = 143
@@ -401,6 +439,8 @@ class RemoteIMAPTest(unittest.TestCase):
 
 
 @unittest.skipUnless(ssl, "SSL not available")
+@unittest.skipUnless(
+    support.is_resource_enabled('network'), 'network resource disabled')
 class RemoteIMAP_STARTTLSTest(RemoteIMAPTest):
 
     def setUp(self):
@@ -454,7 +494,8 @@ class RemoteIMAP_SSLTest(RemoteIMAPTest):
 
     def test_logincapa_with_client_ssl_context(self):
         with transient_internet(self.host):
-            _server = self.imap_class(self.host, self.port, ssl_context=self.create_ssl_context())
+            _server = self.imap_class(
+                self.host, self.port, ssl_context=self.create_ssl_context())
             self.check_logincapa(_server)
 
     def test_logout(self):
@@ -465,35 +506,15 @@ class RemoteIMAP_SSLTest(RemoteIMAPTest):
 
     def test_ssl_context_certfile_exclusive(self):
         with transient_internet(self.host):
-            self.assertRaises(ValueError, self.imap_class, self.host, self.port,
-                              certfile=CERTFILE, ssl_context=self.create_ssl_context())
+            self.assertRaises(
+                ValueError, self.imap_class, self.host, self.port,
+                certfile=CERTFILE, ssl_context=self.create_ssl_context())
 
     def test_ssl_context_keyfile_exclusive(self):
         with transient_internet(self.host):
-            self.assertRaises(ValueError, self.imap_class, self.host, self.port,
-                              keyfile=CERTFILE, ssl_context=self.create_ssl_context())
-
-
-def load_tests(*args):
-    tests = [TestImaplib]
-
-    if support.is_resource_enabled('network'):
-        if ssl:
-            global CERTFILE, CAFILE
-            CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir,
-                                    "keycert3.pem")
-            if not os.path.exists(CERTFILE):
-                raise support.TestFailed("Can't read certificate files!")
-            CAFILE = os.path.join(os.path.dirname(__file__) or os.curdir,
-                                 "pycacert.pem")
-            if not os.path.exists(CAFILE):
-                raise support.TestFailed("Can't read CA file!")
-        tests.extend([
-            ThreadedNetworkedTests, ThreadedNetworkedTestsSSL,
-            RemoteIMAPTest, RemoteIMAP_SSLTest, RemoteIMAP_STARTTLSTest,
-        ])
-
-    return unittest.TestSuite([unittest.makeSuite(test) for test in tests])
+            self.assertRaises(
+                ValueError, self.imap_class, self.host, self.port,
+                keyfile=CERTFILE, ssl_context=self.create_ssl_context())
 
 
 if __name__ == "__main__":
diff --git a/Lib/test/test_imghdr.py b/Lib/test/test_imghdr.py
index 0ad4343..b54daf8 100644
--- a/Lib/test/test_imghdr.py
+++ b/Lib/test/test_imghdr.py
@@ -16,7 +16,9 @@ TEST_FILES = (
     ('python.ras', 'rast'),
     ('python.sgi', 'rgb'),
     ('python.tiff', 'tiff'),
-    ('python.xbm', 'xbm')
+    ('python.xbm', 'xbm'),
+    ('python.webp', 'webp'),
+    ('python.exr', 'exr'),
 )
 
 class UnseekableIO(io.FileIO):
diff --git a/Lib/test/test_imp.py b/Lib/test/test_imp.py
index 80b9ec3..47bf1de 100644
--- a/Lib/test/test_imp.py
+++ b/Lib/test/test_imp.py
@@ -111,7 +111,6 @@ class ImportTests(unittest.TestCase):
             del sys.path[0]
             support.unlink(temp_mod_name + '.py')
             support.unlink(temp_mod_name + '.pyc')
-            support.unlink(temp_mod_name + '.pyo')
 
     def test_issue5604(self):
         # Test cannot cover imp.load_compiled function.
@@ -194,7 +193,7 @@ class ImportTests(unittest.TestCase):
             self.assertEqual(package.b, 2)
         finally:
             del sys.path[0]
-            for ext in ('.py', '.pyc', '.pyo'):
+            for ext in ('.py', '.pyc'):
                 support.unlink(temp_mod_name + ext)
                 support.unlink(init_file_name + ext)
             support.rmtree(test_package_name)
@@ -346,56 +345,6 @@ class PEP3147Tests(unittest.TestCase):
                               'qux.{}.pyc'.format(self.tag))
         self.assertEqual(imp.cache_from_source(path, True), expect)
 
-    def test_cache_from_source_no_cache_tag(self):
-        # Non cache tag means NotImplementedError.
-        with support.swap_attr(sys.implementation, 'cache_tag', None):
-            with self.assertRaises(NotImplementedError):
-                imp.cache_from_source('whatever.py')
-
-    def test_cache_from_source_no_dot(self):
-        # Directory with a dot, filename without dot.
-        path = os.path.join('foo.bar', 'file')
-        expect = os.path.join('foo.bar', '__pycache__',
-                              'file{}.pyc'.format(self.tag))
-        self.assertEqual(imp.cache_from_source(path, True), expect)
-
-    def test_cache_from_source_optimized(self):
-        # Given the path to a .py file, return the path to its PEP 3147
-        # defined .pyo file (i.e. under __pycache__).
-        path = os.path.join('foo', 'bar', 'baz', 'qux.py')
-        expect = os.path.join('foo', 'bar', 'baz', '__pycache__',
-                              'qux.{}.pyo'.format(self.tag))
-        self.assertEqual(imp.cache_from_source(path, False), expect)
-
-    def test_cache_from_source_cwd(self):
-        path = 'foo.py'
-        expect = os.path.join('__pycache__', 'foo.{}.pyc'.format(self.tag))
-        self.assertEqual(imp.cache_from_source(path, True), expect)
-
-    def test_cache_from_source_override(self):
-        # When debug_override is not None, it can be any true-ish or false-ish
-        # value.
-        path = os.path.join('foo', 'bar', 'baz.py')
-        partial_expect = os.path.join('foo', 'bar', '__pycache__',
-                                      'baz.{}.py'.format(self.tag))
-        self.assertEqual(imp.cache_from_source(path, []), partial_expect + 'o')
-        self.assertEqual(imp.cache_from_source(path, [17]),
-                         partial_expect + 'c')
-        # However if the bool-ishness can't be determined, the exception
-        # propagates.
-        class Bearish:
-            def __bool__(self): raise RuntimeError
-        with self.assertRaises(RuntimeError):
-            imp.cache_from_source('/foo/bar/baz.py', Bearish())
-
-    @unittest.skipUnless(os.sep == '\\' and os.altsep == '/',
-                     'test meaningful only where os.altsep is defined')
-    def test_sep_altsep_and_sep_cache_from_source(self):
-        # Windows path and PEP 3147 where sep is right of altsep.
-        self.assertEqual(
-            imp.cache_from_source('\\foo\\bar\\baz/qux.py', True),
-            '\\foo\\bar\\baz\\__pycache__\\qux.{}.pyc'.format(self.tag))
-
     @unittest.skipUnless(sys.implementation.cache_tag is not None,
                          'requires sys.implementation.cache_tag to not be '
                          'None')
@@ -407,68 +356,6 @@ class PEP3147Tests(unittest.TestCase):
         expect = os.path.join('foo', 'bar', 'baz', 'qux.py')
         self.assertEqual(imp.source_from_cache(path), expect)
 
-    def test_source_from_cache_no_cache_tag(self):
-        # If sys.implementation.cache_tag is None, raise NotImplementedError.
-        path = os.path.join('blah', '__pycache__', 'whatever.pyc')
-        with support.swap_attr(sys.implementation, 'cache_tag', None):
-            with self.assertRaises(NotImplementedError):
-                imp.source_from_cache(path)
-
-    def test_source_from_cache_bad_path(self):
-        # When the path to a pyc file is not in PEP 3147 format, a ValueError
-        # is raised.
-        self.assertRaises(
-            ValueError, imp.source_from_cache, '/foo/bar/bazqux.pyc')
-
-    def test_source_from_cache_no_slash(self):
-        # No slashes at all in path -> ValueError
-        self.assertRaises(
-            ValueError, imp.source_from_cache, 'foo.cpython-32.pyc')
-
-    def test_source_from_cache_too_few_dots(self):
-        # Too few dots in final path component -> ValueError
-        self.assertRaises(
-            ValueError, imp.source_from_cache, '__pycache__/foo.pyc')
-
-    def test_source_from_cache_too_many_dots(self):
-        # Too many dots in final path component -> ValueError
-        self.assertRaises(
-            ValueError, imp.source_from_cache,
-            '__pycache__/foo.cpython-32.foo.pyc')
-
-    def test_source_from_cache_no__pycache__(self):
-        # Another problem with the path -> ValueError
-        self.assertRaises(
-            ValueError, imp.source_from_cache,
-            '/foo/bar/foo.cpython-32.foo.pyc')
-
-    def test_package___file__(self):
-        try:
-            m = __import__('pep3147')
-        except ImportError:
-            pass
-        else:
-            self.fail("pep3147 module already exists: %r" % (m,))
-        # Test that a package's __file__ points to the right source directory.
-        os.mkdir('pep3147')
-        sys.path.insert(0, os.curdir)
-        def cleanup():
-            if sys.path[0] == os.curdir:
-                del sys.path[0]
-            shutil.rmtree('pep3147')
-        self.addCleanup(cleanup)
-        # Touch the __init__.py file.
-        support.create_empty_file('pep3147/__init__.py')
-        importlib.invalidate_caches()
-        expected___file__ = os.sep.join(('.', 'pep3147', '__init__.py'))
-        m = __import__('pep3147')
-        self.assertEqual(m.__file__, expected___file__, (m.__file__, m.__path__, sys.path, sys.path_importer_cache))
-        # Ensure we load the pyc file.
-        support.unload('pep3147')
-        m = __import__('pep3147')
-        support.unload('pep3147')
-        self.assertEqual(m.__file__, expected___file__, (m.__file__, m.__path__, sys.path, sys.path_importer_cache))
-
 
 class NullImporterTests(unittest.TestCase):
     @unittest.skipIf(support.TESTFN_UNENCODABLE is None,
diff --git a/Lib/test/test_import.py b/Lib/test/test_import/__init__.py
index b4842c5..ac228ff 100644
--- a/Lib/test/test_import.py
+++ b/Lib/test/test_import/__init__.py
@@ -32,7 +32,6 @@ skip_if_dont_write_bytecode = unittest.skipIf(
 def remove_files(name):
     for f in (name + ".py",
               name + ".pyc",
-              name + ".pyo",
               name + ".pyw",
               name + "$py.class"):
         unlink(f)
@@ -84,7 +83,6 @@ class ImportTests(unittest.TestCase):
         def test_with_extension(ext):
             # The extension is normally ".py", perhaps ".pyw".
             source = TESTFN + ext
-            pyo = TESTFN + ".pyo"
             if is_jython:
                 pyc = TESTFN + "$py.class"
             else:
@@ -115,7 +113,6 @@ class ImportTests(unittest.TestCase):
                 forget(TESTFN)
                 unlink(source)
                 unlink(pyc)
-                unlink(pyo)
 
         sys.path.insert(0, os.curdir)
         try:
@@ -138,7 +135,7 @@ class ImportTests(unittest.TestCase):
             f.write(']')
 
         try:
-            # Compile & remove .py file; we only need .pyc (or .pyo).
+            # Compile & remove .py file; we only need .pyc.
             # Bytecode must be relocated from the PEP 3147 bytecode-only location.
             py_compile.compile(filename)
         finally:
@@ -252,7 +249,7 @@ class ImportTests(unittest.TestCase):
             importlib.invalidate_caches()
             mod = __import__(TESTFN)
             base, ext = os.path.splitext(mod.__file__)
-            self.assertIn(ext, ('.pyc', '.pyo'))
+            self.assertEqual(ext, '.pyc')
         finally:
             del sys.path[0]
             remove_files(TESTFN)
@@ -294,7 +291,8 @@ class ImportTests(unittest.TestCase):
             except OverflowError:
                 self.skipTest("cannot set modification time to large integer")
             except OSError as e:
-                if e.errno != getattr(errno, 'EOVERFLOW', None):
+                if e.errno not in (getattr(errno, 'EOVERFLOW', None),
+                                   getattr(errno, 'EINVAL', None)):
                     raise
                 self.skipTest("cannot set modification time to large integer ({})".format(e))
             __import__(TESTFN)
@@ -328,7 +326,7 @@ class ImportTests(unittest.TestCase):
 
 @skip_if_dont_write_bytecode
 class FilePermissionTests(unittest.TestCase):
-    # tests for file mode on cached .pyc/.pyo files
+    # tests for file mode on cached .pyc files
 
     @unittest.skipUnless(os.name == 'posix',
                          "test meaningful only on posix systems")
@@ -339,7 +337,7 @@ class FilePermissionTests(unittest.TestCase):
             module = __import__(name)
             if not os.path.exists(cached_path):
                 self.fail("__import__ did not result in creation of "
-                          "either a .pyc or .pyo file")
+                          "a .pyc file")
             stat_info = os.stat(cached_path)
 
         # Check that the umask is respected, and the executable bits
@@ -358,7 +356,7 @@ class FilePermissionTests(unittest.TestCase):
             __import__(name)
             if not os.path.exists(cached_path):
                 self.fail("__import__ did not result in creation of "
-                          "either a .pyc or .pyo file")
+                          "a .pyc file")
             stat_info = os.stat(cached_path)
 
         self.assertEqual(oct(stat.S_IMODE(stat_info.st_mode)), oct(mode))
@@ -373,7 +371,7 @@ class FilePermissionTests(unittest.TestCase):
             __import__(name)
             if not os.path.exists(cached_path):
                 self.fail("__import__ did not result in creation of "
-                          "either a .pyc or .pyo file")
+                          "a .pyc file")
             stat_info = os.stat(cached_path)
 
         expected = mode | 0o200 # Account for fix for issue #6074
@@ -404,10 +402,7 @@ class FilePermissionTests(unittest.TestCase):
             unlink(path)
             unload(name)
             importlib.invalidate_caches()
-            if __debug__:
-                bytecode_only = path + "c"
-            else:
-                bytecode_only = path + "o"
+            bytecode_only = path + "c"
             os.rename(importlib.util.cache_from_source(path), bytecode_only)
             m = __import__(name)
             self.assertEqual(m.x, 'rewritten')
@@ -568,7 +563,7 @@ class RelativeImportTests(unittest.TestCase):
 
     def test_relimport_star(self):
         # This will import * from .test_import.
-        from . import relimport
+        from .. import relimport
         self.assertTrue(hasattr(relimport, "RelativeImportTests"))
 
     def test_issue3221(self):
@@ -631,9 +626,7 @@ class OverridingImportBuiltinTests(unittest.TestCase):
 
 
 class PycacheTests(unittest.TestCase):
-    # Test the various PEP 3147 related behaviors.
-
-    tag = sys.implementation.cache_tag
+    # Test the various PEP 3147/488-related behaviors.
 
     def _clean(self):
         forget(TESTFN)
@@ -658,9 +651,10 @@ class PycacheTests(unittest.TestCase):
         self.assertFalse(os.path.exists('__pycache__'))
         __import__(TESTFN)
         self.assertTrue(os.path.exists('__pycache__'))
-        self.assertTrue(os.path.exists(os.path.join(
-            '__pycache__', '{}.{}.py{}'.format(
-            TESTFN, self.tag, 'c' if __debug__ else 'o'))))
+        pyc_path = importlib.util.cache_from_source(self.source)
+        self.assertTrue(os.path.exists(pyc_path),
+                        'bytecode file {!r} for {!r} does not '
+                        'exist'.format(pyc_path, TESTFN))
 
     @unittest.skipUnless(os.name == 'posix',
                          "test meaningful only on posix systems")
@@ -673,8 +667,10 @@ class PycacheTests(unittest.TestCase):
         with temp_umask(0o222):
             __import__(TESTFN)
         self.assertTrue(os.path.exists('__pycache__'))
-        self.assertFalse(os.path.exists(os.path.join(
-            '__pycache__', '{}.{}.pyc'.format(TESTFN, self.tag))))
+        pyc_path = importlib.util.cache_from_source(self.source)
+        self.assertFalse(os.path.exists(pyc_path),
+                        'bytecode file {!r} for {!r} '
+                        'exists'.format(pyc_path, TESTFN))
 
     @skip_if_dont_write_bytecode
     def test_missing_source(self):
@@ -1068,6 +1064,46 @@ class ImportTracebackTests(unittest.TestCase):
                                        __isolated=False)
 
 
+class CircularImportTests(unittest.TestCase):
+
+    """See the docstrings of the modules being imported for the purpose of the
+    test."""
+
+    def tearDown(self):
+        """Make sure no modules pre-exist in sys.modules which are being used to
+        test."""
+        for key in list(sys.modules.keys()):
+            if key.startswith('test.test_import.data.circular_imports'):
+                del sys.modules[key]
+
+    def test_direct(self):
+        try:
+            import test.test_import.data.circular_imports.basic
+        except ImportError:
+            self.fail('circular import through relative imports failed')
+
+    def test_indirect(self):
+        try:
+            import test.test_import.data.circular_imports.indirect
+        except ImportError:
+            self.fail('relative import in module contributing to circular '
+                      'import failed')
+
+    def test_subpackage(self):
+        try:
+            import test.test_import.data.circular_imports.subpackage
+        except ImportError:
+            self.fail('circular import involving a subpackage failed')
+
+    def test_rebinding(self):
+        try:
+            import test.test_import.data.circular_imports.rebinding as rebinding
+        except ImportError:
+            self.fail('circular import with rebinding of module attribute failed')
+        from test.test_import.data.circular_imports.subpkg import util
+        self.assertIs(util.util, rebinding.util)
+
+
 if __name__ == '__main__':
     # Test needs to be a package, so we can do relative imports.
     unittest.main()
diff --git a/Lib/test/test_import/__main__.py b/Lib/test/test_import/__main__.py
new file mode 100644
index 0000000..24f02a1
--- /dev/null
+++ b/Lib/test/test_import/__main__.py
@@ -0,0 +1,3 @@
+import unittest
+
+unittest.main('test.test_import')
diff --git a/Lib/test/test_import/data/circular_imports/basic.py b/Lib/test/test_import/data/circular_imports/basic.py
new file mode 100644
index 0000000..3e41e39
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/basic.py
@@ -0,0 +1,2 @@
+"""Circular imports through direct, relative imports."""
+from . import basic2
diff --git a/Lib/test/test_import/data/circular_imports/basic2.py b/Lib/test/test_import/data/circular_imports/basic2.py
new file mode 100644
index 0000000..00bd2f2
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/basic2.py
@@ -0,0 +1 @@
+from . import basic
diff --git a/Lib/test/test_import/data/circular_imports/indirect.py b/Lib/test/test_import/data/circular_imports/indirect.py
new file mode 100644
index 0000000..6925788
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/indirect.py
@@ -0,0 +1 @@
+from . import basic, basic2
diff --git a/Lib/test/test_import/data/circular_imports/rebinding.py b/Lib/test/test_import/data/circular_imports/rebinding.py
new file mode 100644
index 0000000..2b77375
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/rebinding.py
@@ -0,0 +1,3 @@
+"""Test the binding of names when a circular import shares the same name as an
+attribute."""
+from .rebinding2 import util
diff --git a/Lib/test/test_import/data/circular_imports/rebinding2.py b/Lib/test/test_import/data/circular_imports/rebinding2.py
new file mode 100644
index 0000000..57a9e69
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/rebinding2.py
@@ -0,0 +1,3 @@
+from .subpkg import util
+from . import rebinding
+util = util.util
diff --git a/Lib/test/test_import/data/circular_imports/subpackage.py b/Lib/test/test_import/data/circular_imports/subpackage.py
new file mode 100644
index 0000000..7b412f7
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/subpackage.py
@@ -0,0 +1,2 @@
+"""Circular import involving a sub-package."""
+from .subpkg import subpackage2
diff --git a/Lib/test/test_import/data/circular_imports/subpkg/subpackage2.py b/Lib/test/test_import/data/circular_imports/subpkg/subpackage2.py
new file mode 100644
index 0000000..17b893a
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/subpkg/subpackage2.py
@@ -0,0 +1,2 @@
+#from .util import util
+from .. import subpackage
diff --git a/Lib/test/test_import/data/circular_imports/subpkg/util.py b/Lib/test/test_import/data/circular_imports/subpkg/util.py
new file mode 100644
index 0000000..343bd84
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/subpkg/util.py
@@ -0,0 +1,2 @@
+def util():
+    pass
diff --git a/Lib/test/test_import/data/circular_imports/util.py b/Lib/test/test_import/data/circular_imports/util.py
new file mode 100644
index 0000000..343bd84
--- /dev/null
+++ b/Lib/test/test_import/data/circular_imports/util.py
@@ -0,0 +1,2 @@
+def util():
+    pass
diff --git a/Lib/test/test_importlib/builtin/test_finder.py b/Lib/test/test_importlib/builtin/test_finder.py
index 934562f..a2e6e1e 100644
--- a/Lib/test/test_importlib/builtin/test_finder.py
+++ b/Lib/test/test_importlib/builtin/test_finder.py
@@ -1,21 +1,21 @@
 from .. import abc
 from .. import util
-from . import util as builtin_util
 
-frozen_machinery, source_machinery = util.import_importlib('importlib.machinery')
+machinery = util.import_importlib('importlib.machinery')
 
 import sys
 import unittest
 
 
+@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
 class FindSpecTests(abc.FinderTests):
 
     """Test find_spec() for built-in modules."""
 
     def test_module(self):
         # Common case.
-        with util.uncache(builtin_util.NAME):
-            found = self.machinery.BuiltinImporter.find_spec(builtin_util.NAME)
+        with util.uncache(util.BUILTINS.good_name):
+            found = self.machinery.BuiltinImporter.find_spec(util.BUILTINS.good_name)
             self.assertTrue(found)
             self.assertEqual(found.origin, 'built-in')
 
@@ -39,23 +39,26 @@ class FindSpecTests(abc.FinderTests):
 
     def test_ignore_path(self):
         # The value for 'path' should always trigger a failed import.
-        with util.uncache(builtin_util.NAME):
-            spec = self.machinery.BuiltinImporter.find_spec(builtin_util.NAME,
+        with util.uncache(util.BUILTINS.good_name):
+            spec = self.machinery.BuiltinImporter.find_spec(util.BUILTINS.good_name,
                                                             ['pkg'])
             self.assertIsNone(spec)
 
-Frozen_FindSpecTests, Source_FindSpecTests = util.test_both(FindSpecTests,
-        machinery=[frozen_machinery, source_machinery])
 
+(Frozen_FindSpecTests,
+ Source_FindSpecTests
+ ) = util.test_both(FindSpecTests, machinery=machinery)
 
+
+@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
 class FinderTests(abc.FinderTests):
 
     """Test find_module() for built-in modules."""
 
     def test_module(self):
         # Common case.
-        with util.uncache(builtin_util.NAME):
-            found = self.machinery.BuiltinImporter.find_module(builtin_util.NAME)
+        with util.uncache(util.BUILTINS.good_name):
+            found = self.machinery.BuiltinImporter.find_module(util.BUILTINS.good_name)
             self.assertTrue(found)
             self.assertTrue(hasattr(found, 'load_module'))
 
@@ -72,13 +75,15 @@ class FinderTests(abc.FinderTests):
 
     def test_ignore_path(self):
         # The value for 'path' should always trigger a failed import.
-        with util.uncache(builtin_util.NAME):
-            loader = self.machinery.BuiltinImporter.find_module(builtin_util.NAME,
+        with util.uncache(util.BUILTINS.good_name):
+            loader = self.machinery.BuiltinImporter.find_module(util.BUILTINS.good_name,
                                                             ['pkg'])
             self.assertIsNone(loader)
 
-Frozen_FinderTests, Source_FinderTests = util.test_both(FinderTests,
-        machinery=[frozen_machinery, source_machinery])
+
+(Frozen_FinderTests,
+ Source_FinderTests
+ ) = util.test_both(FinderTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/builtin/test_loader.py b/Lib/test/test_importlib/builtin/test_loader.py
index 1f83574..1684ab6 100644
--- a/Lib/test/test_importlib/builtin/test_loader.py
+++ b/Lib/test/test_importlib/builtin/test_loader.py
@@ -1,14 +1,13 @@
 from .. import abc
 from .. import util
-from . import util as builtin_util
 
-frozen_machinery, source_machinery = util.import_importlib('importlib.machinery')
+machinery = util.import_importlib('importlib.machinery')
 
 import sys
 import types
 import unittest
 
-
+@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
 class LoaderTests(abc.LoaderTests):
 
     """Test load_module() for built-in modules."""
@@ -29,8 +28,8 @@ class LoaderTests(abc.LoaderTests):
 
     def test_module(self):
         # Common case.
-        with util.uncache(builtin_util.NAME):
-            module = self.load_module(builtin_util.NAME)
+        with util.uncache(util.BUILTINS.good_name):
+            module = self.load_module(util.BUILTINS.good_name)
             self.verify(module)
 
     # Built-in modules cannot be a package.
@@ -41,9 +40,9 @@ class LoaderTests(abc.LoaderTests):
 
     def test_module_reuse(self):
         # Test that the same module is used in a reload.
-        with util.uncache(builtin_util.NAME):
-            module1 = self.load_module(builtin_util.NAME)
-            module2 = self.load_module(builtin_util.NAME)
+        with util.uncache(util.BUILTINS.good_name):
+            module1 = self.load_module(util.BUILTINS.good_name)
+            module2 = self.load_module(util.BUILTINS.good_name)
             self.assertIs(module1, module2)
 
     def test_unloadable(self):
@@ -66,40 +65,44 @@ class LoaderTests(abc.LoaderTests):
         self.assertEqual(cm.exception.name, module_name)
 
 
-Frozen_LoaderTests, Source_LoaderTests = util.test_both(LoaderTests,
-        machinery=[frozen_machinery, source_machinery])
+(Frozen_LoaderTests,
+ Source_LoaderTests
+ ) = util.test_both(LoaderTests, machinery=machinery)
 
 
+@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
 class InspectLoaderTests:
 
     """Tests for InspectLoader methods for BuiltinImporter."""
 
     def test_get_code(self):
         # There is no code object.
-        result = self.machinery.BuiltinImporter.get_code(builtin_util.NAME)
+        result = self.machinery.BuiltinImporter.get_code(util.BUILTINS.good_name)
         self.assertIsNone(result)
 
     def test_get_source(self):
         # There is no source.
-        result = self.machinery.BuiltinImporter.get_source(builtin_util.NAME)
+        result = self.machinery.BuiltinImporter.get_source(util.BUILTINS.good_name)
         self.assertIsNone(result)
 
     def test_is_package(self):
         # Cannot be a package.
-        result = self.machinery.BuiltinImporter.is_package(builtin_util.NAME)
+        result = self.machinery.BuiltinImporter.is_package(util.BUILTINS.good_name)
         self.assertFalse(result)
 
+    @unittest.skipIf(util.BUILTINS.bad_name is None, 'all modules are built in')
     def test_not_builtin(self):
         # Modules not built-in should raise ImportError.
         for meth_name in ('get_code', 'get_source', 'is_package'):
             method = getattr(self.machinery.BuiltinImporter, meth_name)
         with self.assertRaises(ImportError) as cm:
-            method(builtin_util.BAD_NAME)
-        self.assertRaises(builtin_util.BAD_NAME)
+            method(util.BUILTINS.bad_name)
+        self.assertRaises(util.BUILTINS.bad_name)
+
 
-Frozen_InspectLoaderTests, Source_InspectLoaderTests = util.test_both(
-        InspectLoaderTests,
-        machinery=[frozen_machinery, source_machinery])
+(Frozen_InspectLoaderTests,
+ Source_InspectLoaderTests
+ ) = util.test_both(InspectLoaderTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/builtin/util.py b/Lib/test/test_importlib/builtin/util.py
deleted file mode 100644
index 5704699..0000000
--- a/Lib/test/test_importlib/builtin/util.py
+++ /dev/null
@@ -1,7 +0,0 @@
-import sys
-
-assert 'errno' in sys.builtin_module_names
-NAME = 'errno'
-
-assert 'importlib' not in sys.builtin_module_names
-BAD_NAME = 'importlib'
diff --git a/Lib/test/test_importlib/extension/test_case_sensitivity.py b/Lib/test/test_importlib/extension/test_case_sensitivity.py
index bb2528e..c7d6ca6 100644
--- a/Lib/test/test_importlib/extension/test_case_sensitivity.py
+++ b/Lib/test/test_importlib/extension/test_case_sensitivity.py
@@ -4,22 +4,21 @@ from test import support
 import unittest
 
 from .. import util
-from . import util as ext_util
 
-frozen_machinery, source_machinery = util.import_importlib('importlib.machinery')
+machinery = util.import_importlib('importlib.machinery')
 
 
 # XXX find_spec tests
 
-@unittest.skipIf(ext_util.FILENAME is None, '_testcapi not available')
+@unittest.skipIf(util.EXTENSIONS.filename is None, '_testcapi not available')
 @util.case_insensitive_tests
 class ExtensionModuleCaseSensitivityTest:
 
     def find_module(self):
-        good_name = ext_util.NAME
+        good_name = util.EXTENSIONS.name
         bad_name = good_name.upper()
         assert good_name != bad_name
-        finder = self.machinery.FileFinder(ext_util.PATH,
+        finder = self.machinery.FileFinder(util.EXTENSIONS.path,
                                           (self.machinery.ExtensionFileLoader,
                                            self.machinery.EXTENSION_SUFFIXES))
         return finder.find_module(bad_name)
@@ -42,9 +41,10 @@ class ExtensionModuleCaseSensitivityTest:
             loader = self.find_module()
             self.assertTrue(hasattr(loader, 'load_module'))
 
-Frozen_ExtensionCaseSensitivity, Source_ExtensionCaseSensitivity = util.test_both(
-        ExtensionModuleCaseSensitivityTest,
-        machinery=[frozen_machinery, source_machinery])
+
+(Frozen_ExtensionCaseSensitivity,
+ Source_ExtensionCaseSensitivity
+ ) = util.test_both(ExtensionModuleCaseSensitivityTest, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/extension/test_finder.py b/Lib/test/test_importlib/extension/test_finder.py
index 990f29c..71bf67f 100644
--- a/Lib/test/test_importlib/extension/test_finder.py
+++ b/Lib/test/test_importlib/extension/test_finder.py
@@ -1,8 +1,7 @@
 from .. import abc
-from .. import util as test_util
-from . import util
+from .. import util
 
-machinery = test_util.import_importlib('importlib.machinery')
+machinery = util.import_importlib('importlib.machinery')
 
 import unittest
 import warnings
@@ -14,7 +13,7 @@ class FinderTests(abc.FinderTests):
     """Test the finder for extension modules."""
 
     def find_module(self, fullname):
-        importer = self.machinery.FileFinder(util.PATH,
+        importer = self.machinery.FileFinder(util.EXTENSIONS.path,
                                             (self.machinery.ExtensionFileLoader,
                                              self.machinery.EXTENSION_SUFFIXES))
         with warnings.catch_warnings():
@@ -22,7 +21,7 @@ class FinderTests(abc.FinderTests):
             return importer.find_module(fullname)
 
     def test_module(self):
-        self.assertTrue(self.find_module(util.NAME))
+        self.assertTrue(self.find_module(util.EXTENSIONS.name))
 
     # No extension module as an __init__ available for testing.
     test_package = test_package_in_package = None
@@ -36,8 +35,10 @@ class FinderTests(abc.FinderTests):
     def test_failure(self):
         self.assertIsNone(self.find_module('asdfjkl;'))
 
-Frozen_FinderTests, Source_FinderTests = test_util.test_both(
-        FinderTests, machinery=machinery)
+
+(Frozen_FinderTests,
+ Source_FinderTests
+ ) = util.test_both(FinderTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/extension/test_loader.py b/Lib/test/test_importlib/extension/test_loader.py
index fd9abf2..aefd050 100644
--- a/Lib/test/test_importlib/extension/test_loader.py
+++ b/Lib/test/test_importlib/extension/test_loader.py
@@ -1,4 +1,3 @@
-from . import util as ext_util
 from .. import abc
 from .. import util
 
@@ -15,8 +14,8 @@ class LoaderTests(abc.LoaderTests):
     """Test load_module() for extension modules."""
 
     def setUp(self):
-        self.loader = self.machinery.ExtensionFileLoader(ext_util.NAME,
-                                                         ext_util.FILEPATH)
+        self.loader = self.machinery.ExtensionFileLoader(util.EXTENSIONS.name,
+                                                         util.EXTENSIONS.file_path)
 
     def load_module(self, fullname):
         return self.loader.load_module(fullname)
@@ -29,23 +28,23 @@ class LoaderTests(abc.LoaderTests):
             self.load_module('XXX')
 
     def test_equality(self):
-        other = self.machinery.ExtensionFileLoader(ext_util.NAME,
-                                                   ext_util.FILEPATH)
+        other = self.machinery.ExtensionFileLoader(util.EXTENSIONS.name,
+                                                   util.EXTENSIONS.file_path)
         self.assertEqual(self.loader, other)
 
     def test_inequality(self):
-        other = self.machinery.ExtensionFileLoader('_' + ext_util.NAME,
-                                                   ext_util.FILEPATH)
+        other = self.machinery.ExtensionFileLoader('_' + util.EXTENSIONS.name,
+                                                   util.EXTENSIONS.file_path)
         self.assertNotEqual(self.loader, other)
 
     def test_module(self):
-        with util.uncache(ext_util.NAME):
-            module = self.load_module(ext_util.NAME)
-            for attr, value in [('__name__', ext_util.NAME),
-                                ('__file__', ext_util.FILEPATH),
+        with util.uncache(util.EXTENSIONS.name):
+            module = self.load_module(util.EXTENSIONS.name)
+            for attr, value in [('__name__', util.EXTENSIONS.name),
+                                ('__file__', util.EXTENSIONS.file_path),
                                 ('__package__', '')]:
                 self.assertEqual(getattr(module, attr), value)
-            self.assertIn(ext_util.NAME, sys.modules)
+            self.assertIn(util.EXTENSIONS.name, sys.modules)
             self.assertIsInstance(module.__loader__,
                                   self.machinery.ExtensionFileLoader)
 
@@ -56,9 +55,9 @@ class LoaderTests(abc.LoaderTests):
     test_lacking_parent = None
 
     def test_module_reuse(self):
-        with util.uncache(ext_util.NAME):
-            module1 = self.load_module(ext_util.NAME)
-            module2 = self.load_module(ext_util.NAME)
+        with util.uncache(util.EXTENSIONS.name):
+            module1 = self.load_module(util.EXTENSIONS.name)
+            module2 = self.load_module(util.EXTENSIONS.name)
             self.assertIs(module1, module2)
 
     # No easy way to trigger a failure after a successful import.
@@ -71,14 +70,15 @@ class LoaderTests(abc.LoaderTests):
         self.assertEqual(cm.exception.name, name)
 
     def test_is_package(self):
-        self.assertFalse(self.loader.is_package(ext_util.NAME))
+        self.assertFalse(self.loader.is_package(util.EXTENSIONS.name))
         for suffix in self.machinery.EXTENSION_SUFFIXES:
             path = os.path.join('some', 'path', 'pkg', '__init__' + suffix)
             loader = self.machinery.ExtensionFileLoader('pkg', path)
             self.assertTrue(loader.is_package('pkg'))
 
-Frozen_LoaderTests, Source_LoaderTests = util.test_both(
-        LoaderTests, machinery=machinery)
+(Frozen_LoaderTests,
+ Source_LoaderTests
+ ) = util.test_both(LoaderTests, machinery=machinery)
 
 
 
diff --git a/Lib/test/test_importlib/extension/test_path_hook.py b/Lib/test/test_importlib/extension/test_path_hook.py
index 49d6734..8f4b8bb 100644
--- a/Lib/test/test_importlib/extension/test_path_hook.py
+++ b/Lib/test/test_importlib/extension/test_path_hook.py
@@ -1,7 +1,6 @@
-from .. import util as test_util
-from . import util
+from .. import util
 
-machinery = test_util.import_importlib('importlib.machinery')
+machinery = util.import_importlib('importlib.machinery')
 
 import collections
 import sys
@@ -22,10 +21,12 @@ class PathHookTests:
     def test_success(self):
         # Path hook should handle a directory where a known extension module
         # exists.
-        self.assertTrue(hasattr(self.hook(util.PATH), 'find_module'))
+        self.assertTrue(hasattr(self.hook(util.EXTENSIONS.path), 'find_module'))
 
-Frozen_PathHooksTests, Source_PathHooksTests = test_util.test_both(
-        PathHookTests, machinery=machinery)
+
+(Frozen_PathHooksTests,
+ Source_PathHooksTests
+ ) = util.test_both(PathHookTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/extension/util.py b/Lib/test/test_importlib/extension/util.py
deleted file mode 100644
index 8d089f0..0000000
--- a/Lib/test/test_importlib/extension/util.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from importlib import machinery
-import os
-import sys
-
-PATH = None
-EXT = None
-FILENAME = None
-NAME = '_testcapi'
-try:
-    for PATH in sys.path:
-        for EXT in machinery.EXTENSION_SUFFIXES:
-            FILENAME = NAME + EXT
-            FILEPATH = os.path.join(PATH, FILENAME)
-            if os.path.exists(os.path.join(PATH, FILENAME)):
-                raise StopIteration
-    else:
-        PATH = EXT = FILENAME = FILEPATH = None
-except StopIteration:
-    pass
diff --git a/Lib/test/test_importlib/frozen/test_finder.py b/Lib/test/test_importlib/frozen/test_finder.py
index f9f97f3..519aa02 100644
--- a/Lib/test/test_importlib/frozen/test_finder.py
+++ b/Lib/test/test_importlib/frozen/test_finder.py
@@ -37,8 +37,10 @@ class FindSpecTests(abc.FinderTests):
         spec = self.find('<not real>')
         self.assertIsNone(spec)
 
-Frozen_FindSpecTests, Source_FindSpecTests = util.test_both(FindSpecTests,
-                                                            machinery=machinery)
+
+(Frozen_FindSpecTests,
+ Source_FindSpecTests
+ ) = util.test_both(FindSpecTests, machinery=machinery)
 
 
 class FinderTests(abc.FinderTests):
@@ -72,8 +74,10 @@ class FinderTests(abc.FinderTests):
         loader = self.find('<not real>')
         self.assertIsNone(loader)
 
-Frozen_FinderTests, Source_FinderTests = util.test_both(FinderTests,
-                                                        machinery=machinery)
+
+(Frozen_FinderTests,
+ Source_FinderTests
+ ) = util.test_both(FinderTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/frozen/test_loader.py b/Lib/test/test_importlib/frozen/test_loader.py
index 7c01464..603c7d7 100644
--- a/Lib/test/test_importlib/frozen/test_loader.py
+++ b/Lib/test/test_importlib/frozen/test_loader.py
@@ -85,8 +85,10 @@ class ExecModuleTests(abc.LoaderTests):
             self.exec_module('_not_real')
         self.assertEqual(cm.exception.name, '_not_real')
 
-Frozen_ExecModuleTests, Source_ExecModuleTests = util.test_both(ExecModuleTests,
-                                                        machinery=machinery)
+
+(Frozen_ExecModuleTests,
+ Source_ExecModuleTests
+ ) = util.test_both(ExecModuleTests, machinery=machinery)
 
 
 class LoaderTests(abc.LoaderTests):
@@ -175,8 +177,10 @@ class LoaderTests(abc.LoaderTests):
             self.machinery.FrozenImporter.load_module('_not_real')
         self.assertEqual(cm.exception.name, '_not_real')
 
-Frozen_LoaderTests, Source_LoaderTests = util.test_both(LoaderTests,
-                                                        machinery=machinery)
+
+(Frozen_LoaderTests,
+ Source_LoaderTests
+ ) = util.test_both(LoaderTests, machinery=machinery)
 
 
 class InspectLoaderTests:
@@ -214,8 +218,9 @@ class InspectLoaderTests:
                 method('importlib')
             self.assertEqual(cm.exception.name, 'importlib')
 
-Frozen_ILTests, Source_ILTests = util.test_both(InspectLoaderTests,
-                                                machinery=machinery)
+(Frozen_ILTests,
+ Source_ILTests
+ ) = util.test_both(InspectLoaderTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test___loader__.py b/Lib/test/test_importlib/import_/test___loader__.py
index 6df8010..4b18093 100644
--- a/Lib/test/test_importlib/import_/test___loader__.py
+++ b/Lib/test/test_importlib/import_/test___loader__.py
@@ -4,7 +4,6 @@ import types
 import unittest
 
 from .. import util
-from . import util as import_util
 
 
 class SpecLoaderMock:
@@ -12,6 +11,9 @@ class SpecLoaderMock:
     def find_spec(self, fullname, path=None, target=None):
         return machinery.ModuleSpec(fullname, self)
 
+    def create_module(self, spec):
+        return None
+
     def exec_module(self, module):
         pass
 
@@ -24,8 +26,10 @@ class SpecLoaderAttributeTests:
             module = self.__import__('blah')
         self.assertEqual(loader, module.__loader__)
 
-Frozen_SpecTests, Source_SpecTests = util.test_both(
-        SpecLoaderAttributeTests, __import__=import_util.__import__)
+
+(Frozen_SpecTests,
+ Source_SpecTests
+ ) = util.test_both(SpecLoaderAttributeTests, __import__=util.__import__)
 
 
 class LoaderMock:
@@ -62,8 +66,9 @@ class LoaderAttributeTests:
         self.assertEqual(loader, module.__loader__)
 
 
-Frozen_Tests, Source_Tests = util.test_both(LoaderAttributeTests,
-                                            __import__=import_util.__import__)
+(Frozen_Tests,
+ Source_Tests
+ ) = util.test_both(LoaderAttributeTests, __import__=util.__import__)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test___package__.py b/Lib/test/test_importlib/import_/test___package__.py
index 2e19725..c7d3a2a 100644
--- a/Lib/test/test_importlib/import_/test___package__.py
+++ b/Lib/test/test_importlib/import_/test___package__.py
@@ -6,7 +6,6 @@ of using the typical __path__/__name__ test).
 """
 import unittest
 from .. import util
-from . import util as import_util
 
 
 class Using__package__:
@@ -70,17 +69,23 @@ class Using__package__:
         with self.assertRaises(TypeError):
             self.__import__('', globals, {}, ['relimport'], 1)
 
+
 class Using__package__PEP302(Using__package__):
     mock_modules = util.mock_modules
 
-Frozen_UsingPackagePEP302, Source_UsingPackagePEP302 = util.test_both(
-        Using__package__PEP302, __import__=import_util.__import__)
 
-class Using__package__PEP302(Using__package__):
+(Frozen_UsingPackagePEP302,
+ Source_UsingPackagePEP302
+ ) = util.test_both(Using__package__PEP302, __import__=util.__import__)
+
+
+class Using__package__PEP451(Using__package__):
     mock_modules = util.mock_spec
 
-Frozen_UsingPackagePEP451, Source_UsingPackagePEP451 = util.test_both(
-        Using__package__PEP302, __import__=import_util.__import__)
+
+(Frozen_UsingPackagePEP451,
+ Source_UsingPackagePEP451
+ ) = util.test_both(Using__package__PEP451, __import__=util.__import__)
 
 
 class Setting__package__:
@@ -95,7 +100,7 @@ class Setting__package__:
 
     """
 
-    __import__ = import_util.__import__[1]
+    __import__ = util.__import__['Source']
 
     # [top-level]
     def test_top_level(self):
diff --git a/Lib/test/test_importlib/import_/test_api.py b/Lib/test/test_importlib/import_/test_api.py
index 439c105..7069d9e 100644
--- a/Lib/test/test_importlib/import_/test_api.py
+++ b/Lib/test/test_importlib/import_/test_api.py
@@ -1,5 +1,4 @@
 from .. import util
-from . import util as import_util
 
 from importlib import machinery
 import sys
@@ -18,6 +17,10 @@ class BadSpecFinderLoader:
             return spec
 
     @staticmethod
+    def create_module(spec):
+        return None
+
+    @staticmethod
     def exec_module(module):
         if module.__name__ == SUBMOD_NAME:
             raise ImportError('I cannot be loaded!')
@@ -79,15 +82,19 @@ class APITest:
 class OldAPITests(APITest):
     bad_finder_loader = BadLoaderFinder
 
-Frozen_OldAPITests, Source_OldAPITests = util.test_both(
-        OldAPITests, __import__=import_util.__import__)
+
+(Frozen_OldAPITests,
+ Source_OldAPITests
+ ) = util.test_both(OldAPITests, __import__=util.__import__)
 
 
 class SpecAPITests(APITest):
     bad_finder_loader = BadSpecFinderLoader
 
-Frozen_SpecAPITests, Source_SpecAPITests = util.test_both(
-        SpecAPITests, __import__=import_util.__import__)
+
+(Frozen_SpecAPITests,
+ Source_SpecAPITests
+ ) = util.test_both(SpecAPITests, __import__=util.__import__)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test_caching.py b/Lib/test/test_importlib/import_/test_caching.py
index c292ee4..8079add 100644
--- a/Lib/test/test_importlib/import_/test_caching.py
+++ b/Lib/test/test_importlib/import_/test_caching.py
@@ -1,6 +1,5 @@
 """Test that sys.modules is used properly by import."""
 from .. import util
-from . import util as import_util
 import sys
 from types import MethodType
 import unittest
@@ -39,15 +38,17 @@ class UseCache:
                 self.__import__(name)
             self.assertEqual(cm.exception.name, name)
 
-Frozen_UseCache, Source_UseCache = util.test_both(
-        UseCache, __import__=import_util.__import__)
+
+(Frozen_UseCache,
+ Source_UseCache
+ ) = util.test_both(UseCache, __import__=util.__import__)
 
 
 class ImportlibUseCache(UseCache, unittest.TestCase):
 
     # Pertinent only to PEP 302; exec_module() doesn't return a module.
 
-    __import__ = import_util.__import__[1]
+    __import__ = util.__import__['Source']
 
     def create_mock(self, *names, return_=None):
         mock = util.mock_modules(*names)
diff --git a/Lib/test/test_importlib/import_/test_fromlist.py b/Lib/test/test_importlib/import_/test_fromlist.py
index a755b75..8045465 100644
--- a/Lib/test/test_importlib/import_/test_fromlist.py
+++ b/Lib/test/test_importlib/import_/test_fromlist.py
@@ -1,6 +1,5 @@
 """Test that the semantics relating to the 'fromlist' argument are correct."""
 from .. import util
-from . import util as import_util
 import unittest
 
 
@@ -29,8 +28,10 @@ class ReturnValue:
                 module = self.__import__('pkg.module', fromlist=['attr'])
                 self.assertEqual(module.__name__, 'pkg.module')
 
-Frozen_ReturnValue, Source_ReturnValue = util.test_both(
-        ReturnValue, __import__=import_util.__import__)
+
+(Frozen_ReturnValue,
+ Source_ReturnValue
+ ) = util.test_both(ReturnValue, __import__=util.__import__)
 
 
 class HandlingFromlist:
@@ -121,8 +122,10 @@ class HandlingFromlist:
                 self.assertEqual(module.module1.__name__, 'pkg.module1')
                 self.assertEqual(module.module2.__name__, 'pkg.module2')
 
-Frozen_FromList, Source_FromList = util.test_both(
-        HandlingFromlist, __import__=import_util.__import__)
+
+(Frozen_FromList,
+ Source_FromList
+ ) = util.test_both(HandlingFromlist, __import__=util.__import__)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test_meta_path.py b/Lib/test/test_importlib/import_/test_meta_path.py
index 5eeb145..c452cdd 100644
--- a/Lib/test/test_importlib/import_/test_meta_path.py
+++ b/Lib/test/test_importlib/import_/test_meta_path.py
@@ -1,5 +1,4 @@
 from .. import util
-from . import util as import_util
 import importlib._bootstrap
 import sys
 from types import MethodType
@@ -46,8 +45,10 @@ class CallingOrder:
                 self.assertEqual(len(w), 1)
                 self.assertTrue(issubclass(w[-1].category, ImportWarning))
 
-Frozen_CallingOrder, Source_CallingOrder = util.test_both(
-        CallingOrder, __import__=import_util.__import__)
+
+(Frozen_CallingOrder,
+ Source_CallingOrder
+ ) = util.test_both(CallingOrder, __import__=util.__import__)
 
 
 class CallSignature:
@@ -100,19 +101,25 @@ class CallSignature:
                 self.assertEqual(args[0], mod_name)
                 self.assertIs(args[1], path)
 
+
 class CallSignaturePEP302(CallSignature):
     mock_modules = util.mock_modules
     finder_name = 'find_module'
 
-Frozen_CallSignaturePEP302, Source_CallSignaturePEP302 = util.test_both(
-        CallSignaturePEP302, __import__=import_util.__import__)
+
+(Frozen_CallSignaturePEP302,
+ Source_CallSignaturePEP302
+ ) = util.test_both(CallSignaturePEP302, __import__=util.__import__)
+
 
 class CallSignaturePEP451(CallSignature):
     mock_modules = util.mock_spec
     finder_name = 'find_spec'
 
-Frozen_CallSignaturePEP451, Source_CallSignaturePEP451 = util.test_both(
-        CallSignaturePEP451, __import__=import_util.__import__)
+
+(Frozen_CallSignaturePEP451,
+ Source_CallSignaturePEP451
+ ) = util.test_both(CallSignaturePEP451, __import__=util.__import__)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test_packages.py b/Lib/test/test_importlib/import_/test_packages.py
index 55a5d14..3755b84 100644
--- a/Lib/test/test_importlib/import_/test_packages.py
+++ b/Lib/test/test_importlib/import_/test_packages.py
@@ -1,5 +1,4 @@
 from .. import util
-from . import util as import_util
 import sys
 import unittest
 import importlib
@@ -102,8 +101,10 @@ class ParentModuleTests:
                 finally:
                     support.unload(subname)
 
-Frozen_ParentTests, Source_ParentTests = util.test_both(
-        ParentModuleTests, __import__=import_util.__import__)
+
+(Frozen_ParentTests,
+ Source_ParentTests
+ ) = util.test_both(ParentModuleTests, __import__=util.__import__)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test_path.py b/Lib/test/test_importlib/import_/test_path.py
index 1274f8c..c246d69 100644
--- a/Lib/test/test_importlib/import_/test_path.py
+++ b/Lib/test/test_importlib/import_/test_path.py
@@ -1,11 +1,12 @@
 from .. import util
-from . import util as import_util
 
 importlib = util.import_importlib('importlib')
 machinery = util.import_importlib('importlib.machinery')
 
+import errno
 import os
 import sys
+import tempfile
 from types import ModuleType
 import unittest
 import warnings
@@ -58,7 +59,7 @@ class FinderTests:
         module = '<test module>'
         path = '<test path>'
         importer = util.mock_spec(module)
-        hook = import_util.mock_path_hook(path, importer=importer)
+        hook = util.mock_path_hook(path, importer=importer)
         with util.import_state(path_hooks=[hook]):
             loader = self.machinery.PathFinder.find_module(module, [path])
             self.assertIs(loader, importer)
@@ -83,7 +84,7 @@ class FinderTests:
         path = ''
         module = '<test module>'
         importer = util.mock_spec(module)
-        hook = import_util.mock_path_hook(os.getcwd(), importer=importer)
+        hook = util.mock_path_hook(os.getcwd(), importer=importer)
         with util.import_state(path=[path], path_hooks=[hook]):
             loader = self.machinery.PathFinder.find_module(module)
             self.assertIs(loader, importer)
@@ -112,8 +113,74 @@ class FinderTests:
             if email is not missing:
                 sys.modules['email'] = email
 
-Frozen_FinderTests, Source_FinderTests = util.test_both(
-        FinderTests, importlib=importlib, machinery=machinery)
+    def test_finder_with_find_module(self):
+        class TestFinder:
+            def find_module(self, fullname):
+                return self.to_return
+        failing_finder = TestFinder()
+        failing_finder.to_return = None
+        path = 'testing path'
+        with util.import_state(path_importer_cache={path: failing_finder}):
+            self.assertIsNone(
+                    self.machinery.PathFinder.find_spec('whatever', [path]))
+        success_finder = TestFinder()
+        success_finder.to_return = __loader__
+        with util.import_state(path_importer_cache={path: success_finder}):
+            spec = self.machinery.PathFinder.find_spec('whatever', [path])
+        self.assertEqual(spec.loader, __loader__)
+
+    def test_finder_with_find_loader(self):
+        class TestFinder:
+            loader = None
+            portions = []
+            def find_loader(self, fullname):
+                return self.loader, self.portions
+        path = 'testing path'
+        with util.import_state(path_importer_cache={path: TestFinder()}):
+            self.assertIsNone(
+                    self.machinery.PathFinder.find_spec('whatever', [path]))
+        success_finder = TestFinder()
+        success_finder.loader = __loader__
+        with util.import_state(path_importer_cache={path: success_finder}):
+            spec = self.machinery.PathFinder.find_spec('whatever', [path])
+        self.assertEqual(spec.loader, __loader__)
+
+    def test_finder_with_find_spec(self):
+        class TestFinder:
+            spec = None
+            def find_spec(self, fullname, target=None):
+                return self.spec
+        path = 'testing path'
+        with util.import_state(path_importer_cache={path: TestFinder()}):
+            self.assertIsNone(
+                    self.machinery.PathFinder.find_spec('whatever', [path]))
+        success_finder = TestFinder()
+        success_finder.spec = self.machinery.ModuleSpec('whatever', __loader__)
+        with util.import_state(path_importer_cache={path: success_finder}):
+            got = self.machinery.PathFinder.find_spec('whatever', [path])
+        self.assertEqual(got, success_finder.spec)
+
+    @unittest.skipIf(sys.platform == 'win32', "cwd can't not exist on Windows")
+    def test_deleted_cwd(self):
+        # Issue #22834
+        self.addCleanup(os.chdir, os.getcwd())
+        try:
+            with tempfile.TemporaryDirectory() as path:
+                os.chdir(path)
+        except OSError as exc:
+            if exc.errno == errno.EINVAL:
+                self.skipTest("platform does not allow the deletion of the cwd")
+            raise
+        with util.import_state(path=['']):
+            # Do not want FileNotFoundError raised.
+            self.assertIsNone(self.machinery.PathFinder.find_spec('whatever'))
+
+
+
+
+(Frozen_FinderTests,
+ Source_FinderTests
+ ) = util.test_both(FinderTests, importlib=importlib, machinery=machinery)
 
 
 class PathEntryFinderTests:
@@ -136,8 +203,10 @@ class PathEntryFinderTests:
                                path_hooks=[Finder]):
             self.machinery.PathFinder.find_spec('importlib')
 
-Frozen_PEFTests, Source_PEFTests = util.test_both(
-        PathEntryFinderTests, machinery=machinery)
+
+(Frozen_PEFTests,
+ Source_PEFTests
+ ) = util.test_both(PathEntryFinderTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/test_relative_imports.py b/Lib/test/test_importlib/import_/test_relative_imports.py
index b216e9c..28bb6f7 100644
--- a/Lib/test/test_importlib/import_/test_relative_imports.py
+++ b/Lib/test/test_importlib/import_/test_relative_imports.py
@@ -1,6 +1,5 @@
 """Test relative imports (PEP 328)."""
 from .. import util
-from . import util as import_util
 import sys
 import unittest
 
@@ -208,8 +207,10 @@ class RelativeImports:
         with self.assertRaises(KeyError):
             self.__import__('sys', level=1)
 
-Frozen_RelativeImports, Source_RelativeImports = util.test_both(
-        RelativeImports, __import__=import_util.__import__)
+
+(Frozen_RelativeImports,
+ Source_RelativeImports
+ ) = util.test_both(RelativeImports, __import__=util.__import__)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/import_/util.py b/Lib/test/test_importlib/import_/util.py
deleted file mode 100644
index dcb490f..0000000
--- a/Lib/test/test_importlib/import_/util.py
+++ /dev/null
@@ -1,20 +0,0 @@
-from .. import util
-
-frozen_importlib, source_importlib = util.import_importlib('importlib')
-
-import builtins
-import functools
-import importlib
-import unittest
-
-
-__import__ = staticmethod(builtins.__import__), staticmethod(source_importlib.__import__)
-
-
-def mock_path_hook(*entries, importer):
-    """A mock sys.path_hooks entry."""
-    def hook(entry):
-        if entry not in entries:
-            raise ImportError
-        return importer
-    return hook
diff --git a/Lib/test/test_importlib/source/test_case_sensitivity.py b/Lib/test/test_importlib/source/test_case_sensitivity.py
index efd3146..29e95b2 100644
--- a/Lib/test/test_importlib/source/test_case_sensitivity.py
+++ b/Lib/test/test_importlib/source/test_case_sensitivity.py
@@ -1,6 +1,5 @@
 """Test case-sensitivity (PEP 235)."""
 from .. import util
-from . import util as source_util
 
 importlib = util.import_importlib('importlib')
 machinery = util.import_importlib('importlib.machinery')
@@ -32,7 +31,7 @@ class CaseSensitivityTest:
         """Look for a module with matching and non-matching sensitivity."""
         sensitive_pkg = 'sensitive.{0}'.format(self.name)
         insensitive_pkg = 'insensitive.{0}'.format(self.name.lower())
-        context = source_util.create_modules(insensitive_pkg, sensitive_pkg)
+        context = util.create_modules(insensitive_pkg, sensitive_pkg)
         with context as mapping:
             sensitive_path = os.path.join(mapping['.root'], 'sensitive')
             insensitive_path = os.path.join(mapping['.root'], 'insensitive')
@@ -63,20 +62,28 @@ class CaseSensitivityTest:
             self.assertIsNotNone(insensitive)
             self.assertIn(self.name, insensitive.get_filename(self.name))
 
+
 class CaseSensitivityTestPEP302(CaseSensitivityTest):
     def find(self, finder):
         return finder.find_module(self.name)
 
-Frozen_CaseSensitivityTestPEP302, Source_CaseSensitivityTestPEP302 = util.test_both(
-    CaseSensitivityTestPEP302, importlib=importlib, machinery=machinery)
+
+(Frozen_CaseSensitivityTestPEP302,
+ Source_CaseSensitivityTestPEP302
+ ) = util.test_both(CaseSensitivityTestPEP302, importlib=importlib,
+                    machinery=machinery)
+
 
 class CaseSensitivityTestPEP451(CaseSensitivityTest):
     def find(self, finder):
         found = finder.find_spec(self.name)
         return found.loader if found is not None else found
 
-Frozen_CaseSensitivityTestPEP451, Source_CaseSensitivityTestPEP451 = util.test_both(
-    CaseSensitivityTestPEP451, importlib=importlib, machinery=machinery)
+
+(Frozen_CaseSensitivityTestPEP451,
+ Source_CaseSensitivityTestPEP451
+ ) = util.test_both(CaseSensitivityTestPEP451, importlib=importlib,
+                    machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/source/test_file_loader.py b/Lib/test/test_importlib/source/test_file_loader.py
index 2d415f9..73f4c62 100644
--- a/Lib/test/test_importlib/source/test_file_loader.py
+++ b/Lib/test/test_importlib/source/test_file_loader.py
@@ -1,6 +1,5 @@
 from .. import abc
 from .. import util
-from . import util as source_util
 
 importlib = util.import_importlib('importlib')
 importlib_abc = util.import_importlib('importlib.abc')
@@ -71,7 +70,7 @@ class SimpleTest(abc.LoaderTests):
 
     # [basic]
     def test_module(self):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             loader = self.machinery.SourceFileLoader('_temp', mapping['_temp'])
             with warnings.catch_warnings():
                 warnings.simplefilter('ignore', DeprecationWarning)
@@ -83,7 +82,7 @@ class SimpleTest(abc.LoaderTests):
                 self.assertEqual(getattr(module, attr), value)
 
     def test_package(self):
-        with source_util.create_modules('_pkg.__init__') as mapping:
+        with util.create_modules('_pkg.__init__') as mapping:
             loader = self.machinery.SourceFileLoader('_pkg',
                                                  mapping['_pkg.__init__'])
             with warnings.catch_warnings():
@@ -98,7 +97,7 @@ class SimpleTest(abc.LoaderTests):
 
 
     def test_lacking_parent(self):
-        with source_util.create_modules('_pkg.__init__', '_pkg.mod')as mapping:
+        with util.create_modules('_pkg.__init__', '_pkg.mod')as mapping:
             loader = self.machinery.SourceFileLoader('_pkg.mod',
                                                     mapping['_pkg.mod'])
             with warnings.catch_warnings():
@@ -115,7 +114,7 @@ class SimpleTest(abc.LoaderTests):
         return lambda name: fxn(name) + 1
 
     def test_module_reuse(self):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             loader = self.machinery.SourceFileLoader('_temp', mapping['_temp'])
             with warnings.catch_warnings():
                 warnings.simplefilter('ignore', DeprecationWarning)
@@ -139,7 +138,7 @@ class SimpleTest(abc.LoaderTests):
         attributes = ('__file__', '__path__', '__package__')
         value = '<test>'
         name = '_temp'
-        with source_util.create_modules(name) as mapping:
+        with util.create_modules(name) as mapping:
             orig_module = types.ModuleType(name)
             for attr in attributes:
                 setattr(orig_module, attr, value)
@@ -159,7 +158,7 @@ class SimpleTest(abc.LoaderTests):
 
     # [syntax error]
     def test_bad_syntax(self):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             with open(mapping['_temp'], 'w') as file:
                 file.write('=')
             loader = self.machinery.SourceFileLoader('_temp', mapping['_temp'])
@@ -190,11 +189,11 @@ class SimpleTest(abc.LoaderTests):
             if os.path.exists(pycache):
                 shutil.rmtree(pycache)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_timestamp_overflow(self):
         # When a modification timestamp is larger than 2**32, it should be
         # truncated rather than raise an OverflowError.
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             source = mapping['_temp']
             compiled = self.util.cache_from_source(source)
             with open(source, 'w') as f:
@@ -236,9 +235,11 @@ class SimpleTest(abc.LoaderTests):
                 warnings.simplefilter('ignore', DeprecationWarning)
                 loader.load_module('bad name')
 
-Frozen_SimpleTest, Source_SimpleTest = util.test_both(
-        SimpleTest, importlib=importlib, machinery=machinery, abc=importlib_abc,
-        util=importlib_util)
+
+(Frozen_SimpleTest,
+ Source_SimpleTest
+ ) = util.test_both(SimpleTest, importlib=importlib, machinery=machinery,
+                    abc=importlib_abc, util=importlib_util)
 
 
 class BadBytecodeTest:
@@ -275,45 +276,45 @@ class BadBytecodeTest:
         return bytecode_path
 
     def _test_empty_file(self, test, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: b'',
                                                 del_source=del_source)
             test('_temp', mapping, bc_path)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def _test_partial_magic(self, test, *, del_source=False):
         # When their are less than 4 bytes to a .pyc, regenerate it if
         # possible, else raise ImportError.
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: bc[:3],
                                                 del_source=del_source)
             test('_temp', mapping, bc_path)
 
     def _test_magic_only(self, test, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: bc[:4],
                                                 del_source=del_source)
             test('_temp', mapping, bc_path)
 
     def _test_partial_timestamp(self, test, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: bc[:7],
                                                 del_source=del_source)
             test('_temp', mapping, bc_path)
 
     def _test_partial_size(self, test, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: bc[:11],
                                                 del_source=del_source)
             test('_temp', mapping, bc_path)
 
     def _test_no_marshal(self, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: bc[:12],
                                                 del_source=del_source)
@@ -322,7 +323,7 @@ class BadBytecodeTest:
                 self.import_(file_path, '_temp')
 
     def _test_non_code_marshal(self, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bytecode_path = self.manipulate_bytecode('_temp', mapping,
                                     lambda bc: bc[:12] + marshal.dumps(b'abcd'),
                                     del_source=del_source)
@@ -333,7 +334,7 @@ class BadBytecodeTest:
             self.assertEqual(cm.exception.path, bytecode_path)
 
     def _test_bad_marshal(self, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bytecode_path = self.manipulate_bytecode('_temp', mapping,
                                                 lambda bc: bc[:12] + b'<test>',
                                                 del_source=del_source)
@@ -342,11 +343,12 @@ class BadBytecodeTest:
                 self.import_(file_path, '_temp')
 
     def _test_bad_magic(self, test, *, del_source=False):
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             bc_path = self.manipulate_bytecode('_temp', mapping,
                                     lambda bc: b'\x00\x00\x00\x00' + bc[4:])
             test('_temp', mapping, bc_path)
 
+
 class BadBytecodeTestPEP451(BadBytecodeTest):
 
     def import_(self, file, module_name):
@@ -355,6 +357,7 @@ class BadBytecodeTestPEP451(BadBytecodeTest):
         module.__spec__ = self.util.spec_from_loader(module_name, loader)
         loader.exec_module(module)
 
+
 class BadBytecodeTestPEP302(BadBytecodeTest):
 
     def import_(self, file, module_name):
@@ -371,7 +374,7 @@ class SourceLoaderBadBytecodeTest:
     def setUpClass(cls):
         cls.loader = cls.machinery.SourceFileLoader
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_empty_file(self):
         # When a .pyc is empty, regenerate it if possible, else raise
         # ImportError.
@@ -390,7 +393,7 @@ class SourceLoaderBadBytecodeTest:
 
         self._test_partial_magic(test)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_magic_only(self):
         # When there is only the magic number, regenerate the .pyc if possible,
         # else raise EOFError.
@@ -401,7 +404,7 @@ class SourceLoaderBadBytecodeTest:
 
         self._test_magic_only(test)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_bad_magic(self):
         # When the magic number is different, the bytecode should be
         # regenerated.
@@ -413,7 +416,7 @@ class SourceLoaderBadBytecodeTest:
 
         self._test_bad_magic(test)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_partial_timestamp(self):
         # When the timestamp is partial, regenerate the .pyc, else
         # raise EOFError.
@@ -424,7 +427,7 @@ class SourceLoaderBadBytecodeTest:
 
         self._test_partial_timestamp(test)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_partial_size(self):
         # When the size is partial, regenerate the .pyc, else
         # raise EOFError.
@@ -435,29 +438,29 @@ class SourceLoaderBadBytecodeTest:
 
         self._test_partial_size(test)
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_no_marshal(self):
         # When there is only the magic number and timestamp, raise EOFError.
         self._test_no_marshal()
 
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_non_code_marshal(self):
         self._test_non_code_marshal()
         # XXX ImportError when sourceless
 
     # [bad marshal]
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_bad_marshal(self):
         # Bad marshal data should raise a ValueError.
         self._test_bad_marshal()
 
     # [bad timestamp]
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_old_timestamp(self):
         # When the timestamp is older than the source, bytecode should be
         # regenerated.
         zeros = b'\x00\x00\x00\x00'
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             py_compile.compile(mapping['_temp'])
             bytecode_path = self.util.cache_from_source(mapping['_temp'])
             with open(bytecode_path, 'r+b') as bytecode_file:
@@ -471,10 +474,10 @@ class SourceLoaderBadBytecodeTest:
                 self.assertEqual(bytecode_file.read(4), source_timestamp)
 
     # [bytecode read-only]
-    @source_util.writes_bytecode_files
+    @util.writes_bytecode_files
     def test_read_only_bytecode(self):
         # When bytecode is read-only but should be rewritten, fail silently.
-        with source_util.create_modules('_temp') as mapping:
+        with util.create_modules('_temp') as mapping:
             # Create bytecode that will need to be re-created.
             py_compile.compile(mapping['_temp'])
             bytecode_path = self.util.cache_from_source(mapping['_temp'])
@@ -491,21 +494,29 @@ class SourceLoaderBadBytecodeTest:
                 # Make writable for eventual clean-up.
                 os.chmod(bytecode_path, stat.S_IWUSR)
 
+
 class SourceLoaderBadBytecodeTestPEP451(
         SourceLoaderBadBytecodeTest, BadBytecodeTestPEP451):
     pass
 
-Frozen_SourceBadBytecodePEP451, Source_SourceBadBytecodePEP451 = util.test_both(
-        SourceLoaderBadBytecodeTestPEP451, importlib=importlib, machinery=machinery,
-        abc=importlib_abc, util=importlib_util)
+
+(Frozen_SourceBadBytecodePEP451,
+ Source_SourceBadBytecodePEP451
+ ) = util.test_both(SourceLoaderBadBytecodeTestPEP451, importlib=importlib,
+                    machinery=machinery, abc=importlib_abc,
+                    util=importlib_util)
+
 
 class SourceLoaderBadBytecodeTestPEP302(
         SourceLoaderBadBytecodeTest, BadBytecodeTestPEP302):
     pass
 
-Frozen_SourceBadBytecodePEP302, Source_SourceBadBytecodePEP302 = util.test_both(
-        SourceLoaderBadBytecodeTestPEP302, importlib=importlib, machinery=machinery,
-        abc=importlib_abc, util=importlib_util)
+
+(Frozen_SourceBadBytecodePEP302,
+ Source_SourceBadBytecodePEP302
+ ) = util.test_both(SourceLoaderBadBytecodeTestPEP302, importlib=importlib,
+                    machinery=machinery, abc=importlib_abc,
+                    util=importlib_util)
 
 
 class SourcelessLoaderBadBytecodeTest:
@@ -567,21 +578,29 @@ class SourcelessLoaderBadBytecodeTest:
     def test_non_code_marshal(self):
         self._test_non_code_marshal(del_source=True)
 
+
 class SourcelessLoaderBadBytecodeTestPEP451(SourcelessLoaderBadBytecodeTest,
         BadBytecodeTestPEP451):
     pass
 
-Frozen_SourcelessBadBytecodePEP451, Source_SourcelessBadBytecodePEP451 = util.test_both(
-        SourcelessLoaderBadBytecodeTestPEP451, importlib=importlib,
-        machinery=machinery, abc=importlib_abc, util=importlib_util)
+
+(Frozen_SourcelessBadBytecodePEP451,
+ Source_SourcelessBadBytecodePEP451
+ ) = util.test_both(SourcelessLoaderBadBytecodeTestPEP451, importlib=importlib,
+                    machinery=machinery, abc=importlib_abc,
+                    util=importlib_util)
+
 
 class SourcelessLoaderBadBytecodeTestPEP302(SourcelessLoaderBadBytecodeTest,
         BadBytecodeTestPEP302):
     pass
 
-Frozen_SourcelessBadBytecodePEP302, Source_SourcelessBadBytecodePEP302 = util.test_both(
-        SourcelessLoaderBadBytecodeTestPEP302, importlib=importlib,
-        machinery=machinery, abc=importlib_abc, util=importlib_util)
+
+(Frozen_SourcelessBadBytecodePEP302,
+ Source_SourcelessBadBytecodePEP302
+ ) = util.test_both(SourcelessLoaderBadBytecodeTestPEP302, importlib=importlib,
+                    machinery=machinery, abc=importlib_abc,
+                    util=importlib_util)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/source/test_finder.py b/Lib/test/test_importlib/source/test_finder.py
index 473297b..f372b85 100644
--- a/Lib/test/test_importlib/source/test_finder.py
+++ b/Lib/test/test_importlib/source/test_finder.py
@@ -1,6 +1,5 @@
 from .. import abc
 from .. import util
-from . import util as source_util
 
 machinery = util.import_importlib('importlib.machinery')
 
@@ -60,7 +59,7 @@ class FinderTests(abc.FinderTests):
         """
         if create is None:
             create = {test}
-        with source_util.create_modules(*create) as mapping:
+        with util.create_modules(*create) as mapping:
             if compile_:
                 for name in compile_:
                     py_compile.compile(mapping[name])
@@ -100,14 +99,14 @@ class FinderTests(abc.FinderTests):
 
     # [sub module]
     def test_module_in_package(self):
-        with source_util.create_modules('pkg.__init__', 'pkg.sub') as mapping:
+        with util.create_modules('pkg.__init__', 'pkg.sub') as mapping:
             pkg_dir = os.path.dirname(mapping['pkg.__init__'])
             loader = self.import_(pkg_dir, 'pkg.sub')
             self.assertTrue(hasattr(loader, 'load_module'))
 
     # [sub package]
     def test_package_in_package(self):
-        context = source_util.create_modules('pkg.__init__', 'pkg.sub.__init__')
+        context = util.create_modules('pkg.__init__', 'pkg.sub.__init__')
         with context as mapping:
             pkg_dir = os.path.dirname(mapping['pkg.__init__'])
             loader = self.import_(pkg_dir, 'pkg.sub')
@@ -120,7 +119,7 @@ class FinderTests(abc.FinderTests):
         self.assertIn('__init__', loader.get_filename(name))
 
     def test_failure(self):
-        with source_util.create_modules('blah') as mapping:
+        with util.create_modules('blah') as mapping:
             nothing = self.import_(mapping['.root'], 'sdfsadsadf')
             self.assertIsNone(nothing)
 
@@ -147,7 +146,7 @@ class FinderTests(abc.FinderTests):
     # Regression test for http://bugs.python.org/issue14846
     def test_dir_removal_handling(self):
         mod = 'mod'
-        with source_util.create_modules(mod) as mapping:
+        with util.create_modules(mod) as mapping:
             finder = self.get_finder(mapping['.root'])
             found = self._find(finder, 'mod', loader_only=True)
             self.assertIsNotNone(found)
@@ -196,8 +195,10 @@ class FinderTestsPEP451(FinderTests):
         spec = finder.find_spec(name)
         return spec.loader if spec is not None else spec
 
-Frozen_FinderTestsPEP451, Source_FinderTestsPEP451 = util.test_both(
-        FinderTestsPEP451, machinery=machinery)
+
+(Frozen_FinderTestsPEP451,
+ Source_FinderTestsPEP451
+ ) = util.test_both(FinderTestsPEP451, machinery=machinery)
 
 
 class FinderTestsPEP420(FinderTests):
@@ -210,8 +211,10 @@ class FinderTestsPEP420(FinderTests):
             loader_portions = finder.find_loader(name)
             return loader_portions[0] if loader_only else loader_portions
 
-Frozen_FinderTestsPEP420, Source_FinderTestsPEP420 = util.test_both(
-        FinderTestsPEP420, machinery=machinery)
+
+(Frozen_FinderTestsPEP420,
+ Source_FinderTestsPEP420
+ ) = util.test_both(FinderTestsPEP420, machinery=machinery)
 
 
 class FinderTestsPEP302(FinderTests):
@@ -223,9 +226,10 @@ class FinderTestsPEP302(FinderTests):
             warnings.simplefilter("ignore", DeprecationWarning)
             return finder.find_module(name)
 
-Frozen_FinderTestsPEP302, Source_FinderTestsPEP302 = util.test_both(
-        FinderTestsPEP302, machinery=machinery)
 
+(Frozen_FinderTestsPEP302,
+ Source_FinderTestsPEP302
+ ) = util.test_both(FinderTestsPEP302, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/source/test_path_hook.py b/Lib/test/test_importlib/source/test_path_hook.py
index 92da772..e6a2415 100644
--- a/Lib/test/test_importlib/source/test_path_hook.py
+++ b/Lib/test/test_importlib/source/test_path_hook.py
@@ -1,5 +1,4 @@
 from .. import util
-from . import util as source_util
 
 machinery = util.import_importlib('importlib.machinery')
 
@@ -15,7 +14,7 @@ class PathHookTest:
             self.machinery.SOURCE_SUFFIXES))
 
     def test_success(self):
-        with source_util.create_modules('dummy') as mapping:
+        with util.create_modules('dummy') as mapping:
             self.assertTrue(hasattr(self.path_hook()(mapping['.root']),
                                  'find_module'))
 
@@ -23,7 +22,10 @@ class PathHookTest:
         # The empty string represents the cwd.
         self.assertTrue(hasattr(self.path_hook()(''), 'find_module'))
 
-Frozen_PathHookTest, Source_PathHooktest = util.test_both(PathHookTest, machinery=machinery)
+
+(Frozen_PathHookTest,
+ Source_PathHooktest
+ ) = util.test_both(PathHookTest, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/source/test_source_encoding.py b/Lib/test/test_importlib/source/test_source_encoding.py
index c62dfa1..b604afb 100644
--- a/Lib/test/test_importlib/source/test_source_encoding.py
+++ b/Lib/test/test_importlib/source/test_source_encoding.py
@@ -1,5 +1,4 @@
 from .. import util
-from . import util as source_util
 
 machinery = util.import_importlib('importlib.machinery')
 
@@ -37,7 +36,7 @@ class EncodingTest:
     module_name = '_temp'
 
     def run_test(self, source):
-        with source_util.create_modules(self.module_name) as mapping:
+        with util.create_modules(self.module_name) as mapping:
             with open(mapping[self.module_name], 'wb') as file:
                 file.write(source)
             loader = self.machinery.SourceFileLoader(self.module_name,
@@ -89,6 +88,7 @@ class EncodingTest:
         with self.assertRaises(SyntaxError):
             self.run_test(source)
 
+
 class EncodingTestPEP451(EncodingTest):
 
     def load(self, loader):
@@ -97,8 +97,11 @@ class EncodingTestPEP451(EncodingTest):
         loader.exec_module(module)
         return module
 
-Frozen_EncodingTestPEP451, Source_EncodingTestPEP451 = util.test_both(
-        EncodingTestPEP451, machinery=machinery)
+
+(Frozen_EncodingTestPEP451,
+ Source_EncodingTestPEP451
+ ) = util.test_both(EncodingTestPEP451, machinery=machinery)
+
 
 class EncodingTestPEP302(EncodingTest):
 
@@ -107,8 +110,10 @@ class EncodingTestPEP302(EncodingTest):
             warnings.simplefilter('ignore', DeprecationWarning)
             return loader.load_module(self.module_name)
 
-Frozen_EncodingTestPEP302, Source_EncodingTestPEP302 = util.test_both(
-        EncodingTestPEP302, machinery=machinery)
+
+(Frozen_EncodingTestPEP302,
+ Source_EncodingTestPEP302
+ ) = util.test_both(EncodingTestPEP302, machinery=machinery)
 
 
 class LineEndingTest:
@@ -120,7 +125,7 @@ class LineEndingTest:
         module_name = '_temp'
         source_lines = [b"a = 42", b"b = -13", b'']
         source = line_ending.join(source_lines)
-        with source_util.create_modules(module_name) as mapping:
+        with util.create_modules(module_name) as mapping:
             with open(mapping[module_name], 'wb') as file:
                 file.write(source)
             loader = self.machinery.SourceFileLoader(module_name,
@@ -139,6 +144,7 @@ class LineEndingTest:
     def test_lf(self):
         self.run_test(b'\n')
 
+
 class LineEndingTestPEP451(LineEndingTest):
 
     def load(self, loader, module_name):
@@ -147,8 +153,11 @@ class LineEndingTestPEP451(LineEndingTest):
         loader.exec_module(module)
         return module
 
-Frozen_LineEndingTestPEP451, Source_LineEndingTestPEP451 = util.test_both(
-        LineEndingTestPEP451, machinery=machinery)
+
+(Frozen_LineEndingTestPEP451,
+ Source_LineEndingTestPEP451
+ ) = util.test_both(LineEndingTestPEP451, machinery=machinery)
+
 
 class LineEndingTestPEP302(LineEndingTest):
 
@@ -157,8 +166,10 @@ class LineEndingTestPEP302(LineEndingTest):
             warnings.simplefilter('ignore', DeprecationWarning)
             return loader.load_module(module_name)
 
-Frozen_LineEndingTestPEP302, Source_LineEndingTestPEP302 = util.test_both(
-        LineEndingTestPEP302, machinery=machinery)
+
+(Frozen_LineEndingTestPEP302,
+ Source_LineEndingTestPEP302
+ ) = util.test_both(LineEndingTestPEP302, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/source/util.py b/Lib/test/test_importlib/source/util.py
deleted file mode 100644
index 63cd25a..0000000
--- a/Lib/test/test_importlib/source/util.py
+++ /dev/null
@@ -1,96 +0,0 @@
-from .. import util
-import contextlib
-import errno
-import functools
-import os
-import os.path
-import sys
-import tempfile
-from test import support
-
-
-def writes_bytecode_files(fxn):
-    """Decorator to protect sys.dont_write_bytecode from mutation and to skip
-    tests that require it to be set to False."""
-    if sys.dont_write_bytecode:
-        return lambda *args, **kwargs: None
-    @functools.wraps(fxn)
-    def wrapper(*args, **kwargs):
-        original = sys.dont_write_bytecode
-        sys.dont_write_bytecode = False
-        try:
-            to_return = fxn(*args, **kwargs)
-        finally:
-            sys.dont_write_bytecode = original
-        return to_return
-    return wrapper
-
-
-def ensure_bytecode_path(bytecode_path):
-    """Ensure that the __pycache__ directory for PEP 3147 pyc file exists.
-
-    :param bytecode_path: File system path to PEP 3147 pyc file.
-    """
-    try:
-        os.mkdir(os.path.dirname(bytecode_path))
-    except OSError as error:
-        if error.errno != errno.EEXIST:
-            raise
-
-
-@contextlib.contextmanager
-def create_modules(*names):
-    """Temporarily create each named module with an attribute (named 'attr')
-    that contains the name passed into the context manager that caused the
-    creation of the module.
-
-    All files are created in a temporary directory returned by
-    tempfile.mkdtemp(). This directory is inserted at the beginning of
-    sys.path. When the context manager exits all created files (source and
-    bytecode) are explicitly deleted.
-
-    No magic is performed when creating packages! This means that if you create
-    a module within a package you must also create the package's __init__ as
-    well.
-
-    """
-    source = 'attr = {0!r}'
-    created_paths = []
-    mapping = {}
-    state_manager = None
-    uncache_manager = None
-    try:
-        temp_dir = tempfile.mkdtemp()
-        mapping['.root'] = temp_dir
-        import_names = set()
-        for name in names:
-            if not name.endswith('__init__'):
-                import_name = name
-            else:
-                import_name = name[:-len('.__init__')]
-            import_names.add(import_name)
-            if import_name in sys.modules:
-                del sys.modules[import_name]
-            name_parts = name.split('.')
-            file_path = temp_dir
-            for directory in name_parts[:-1]:
-                file_path = os.path.join(file_path, directory)
-                if not os.path.exists(file_path):
-                    os.mkdir(file_path)
-                    created_paths.append(file_path)
-            file_path = os.path.join(file_path, name_parts[-1] + '.py')
-            with open(file_path, 'w') as file:
-                file.write(source.format(name))
-            created_paths.append(file_path)
-            mapping[name] = file_path
-        uncache_manager = util.uncache(*import_names)
-        uncache_manager.__enter__()
-        state_manager = util.import_state(path=[temp_dir])
-        state_manager.__enter__()
-        yield mapping
-    finally:
-        if state_manager is not None:
-            state_manager.__exit__(None, None, None)
-        if uncache_manager is not None:
-            uncache_manager.__exit__(None, None, None)
-        support.rmtree(temp_dir)
diff --git a/Lib/test/test_importlib/test_abc.py b/Lib/test/test_importlib/test_abc.py
index a1f8e76..d4bf915 100644
--- a/Lib/test/test_importlib/test_abc.py
+++ b/Lib/test/test_importlib/test_abc.py
@@ -10,12 +10,13 @@ import unittest
 from unittest import mock
 import warnings
 
-from . import util
+from . import util as test_util
+
+init = test_util.import_importlib('importlib')
+abc = test_util.import_importlib('importlib.abc')
+machinery = test_util.import_importlib('importlib.machinery')
+util = test_util.import_importlib('importlib.util')
 
-frozen_init, source_init = util.import_importlib('importlib')
-frozen_abc, source_abc = util.import_importlib('importlib.abc')
-machinery = util.import_importlib('importlib.machinery')
-frozen_util, source_util = util.import_importlib('importlib.util')
 
 ##### Inheritance ##############################################################
 class InheritanceTests:
@@ -26,8 +27,7 @@ class InheritanceTests:
     subclasses = []
     superclasses = []
 
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
+    def setUp(self):
         self.superclasses = [getattr(self.abc, class_name)
                              for class_name in self.superclass_names]
         if hasattr(self, 'subclass_names'):
@@ -36,11 +36,11 @@ class InheritanceTests:
             # checking across module boundaries (i.e. the _bootstrap in abc is
             # not the same as the one in machinery). That means stealing one of
             # the modules from the other to make sure the same instance is used.
-            self.subclasses = [getattr(self.abc.machinery, class_name)
-                                for class_name in self.subclass_names]
+            machinery = self.abc.machinery
+            self.subclasses = [getattr(machinery, class_name)
+                               for class_name in self.subclass_names]
         assert self.subclasses or self.superclasses, self.__class__
-        testing = self.__class__.__name__.partition('_')[2]
-        self.__test = getattr(self.abc, testing)
+        self.__test = getattr(self.abc, self._NAME)
 
     def test_subclasses(self):
         # Test that the expected subclasses inherit.
@@ -54,94 +54,97 @@ class InheritanceTests:
             self.assertTrue(issubclass(self.__test, superclass),
                "{0} is not a superclass of {1}".format(superclass, self.__test))
 
-def create_inheritance_tests(base_class):
-    def set_frozen(ns):
-        ns['abc'] = frozen_abc
-    def set_source(ns):
-        ns['abc'] = source_abc
-
-    classes = []
-    for prefix, ns_set in [('Frozen', set_frozen), ('Source', set_source)]:
-        classes.append(types.new_class('_'.join([prefix, base_class.__name__]),
-                                       (base_class, unittest.TestCase),
-                                       exec_body=ns_set))
-    return classes
-
 
 class MetaPathFinder(InheritanceTests):
     superclass_names = ['Finder']
     subclass_names = ['BuiltinImporter', 'FrozenImporter', 'PathFinder',
                       'WindowsRegistryFinder']
 
-tests = create_inheritance_tests(MetaPathFinder)
-Frozen_MetaPathFinderInheritanceTests, Source_MetaPathFinderInheritanceTests = tests
+
+(Frozen_MetaPathFinderInheritanceTests,
+ Source_MetaPathFinderInheritanceTests
+ ) = test_util.test_both(MetaPathFinder, abc=abc)
 
 
 class PathEntryFinder(InheritanceTests):
     superclass_names = ['Finder']
     subclass_names = ['FileFinder']
 
-tests = create_inheritance_tests(PathEntryFinder)
-Frozen_PathEntryFinderInheritanceTests, Source_PathEntryFinderInheritanceTests = tests
+
+(Frozen_PathEntryFinderInheritanceTests,
+ Source_PathEntryFinderInheritanceTests
+ ) = test_util.test_both(PathEntryFinder, abc=abc)
 
 
 class ResourceLoader(InheritanceTests):
     superclass_names = ['Loader']
 
-tests = create_inheritance_tests(ResourceLoader)
-Frozen_ResourceLoaderInheritanceTests, Source_ResourceLoaderInheritanceTests = tests
+
+(Frozen_ResourceLoaderInheritanceTests,
+ Source_ResourceLoaderInheritanceTests
+ ) = test_util.test_both(ResourceLoader, abc=abc)
 
 
 class InspectLoader(InheritanceTests):
     superclass_names = ['Loader']
     subclass_names = ['BuiltinImporter', 'FrozenImporter', 'ExtensionFileLoader']
 
-tests = create_inheritance_tests(InspectLoader)
-Frozen_InspectLoaderInheritanceTests, Source_InspectLoaderInheritanceTests = tests
+
+(Frozen_InspectLoaderInheritanceTests,
+ Source_InspectLoaderInheritanceTests
+ ) = test_util.test_both(InspectLoader, abc=abc)
 
 
 class ExecutionLoader(InheritanceTests):
     superclass_names = ['InspectLoader']
     subclass_names = ['ExtensionFileLoader']
 
-tests = create_inheritance_tests(ExecutionLoader)
-Frozen_ExecutionLoaderInheritanceTests, Source_ExecutionLoaderInheritanceTests = tests
+
+(Frozen_ExecutionLoaderInheritanceTests,
+ Source_ExecutionLoaderInheritanceTests
+ ) = test_util.test_both(ExecutionLoader, abc=abc)
 
 
 class FileLoader(InheritanceTests):
     superclass_names = ['ResourceLoader', 'ExecutionLoader']
     subclass_names = ['SourceFileLoader', 'SourcelessFileLoader']
 
-tests = create_inheritance_tests(FileLoader)
-Frozen_FileLoaderInheritanceTests, Source_FileLoaderInheritanceTests = tests
+
+(Frozen_FileLoaderInheritanceTests,
+ Source_FileLoaderInheritanceTests
+ ) = test_util.test_both(FileLoader, abc=abc)
 
 
 class SourceLoader(InheritanceTests):
     superclass_names = ['ResourceLoader', 'ExecutionLoader']
     subclass_names = ['SourceFileLoader']
 
-tests = create_inheritance_tests(SourceLoader)
-Frozen_SourceLoaderInheritanceTests, Source_SourceLoaderInheritanceTests = tests
+
+(Frozen_SourceLoaderInheritanceTests,
+ Source_SourceLoaderInheritanceTests
+ ) = test_util.test_both(SourceLoader, abc=abc)
+
 
 ##### Default return values ####################################################
-def make_abc_subclasses(base_class):
-    classes = []
-    for kind, abc in [('Frozen', frozen_abc), ('Source', source_abc)]:
-        name = '_'.join([kind, base_class.__name__])
-        base_classes = base_class, getattr(abc, base_class.__name__)
-        classes.append(types.new_class(name, base_classes))
-    return classes
-
-def make_return_value_tests(base_class, test_class):
-    frozen_class, source_class = make_abc_subclasses(base_class)
-    tests = []
-    for prefix, class_in_test in [('Frozen', frozen_class), ('Source', source_class)]:
-        def set_ns(ns):
-            ns['ins'] = class_in_test()
-        tests.append(types.new_class('_'.join([prefix, test_class.__name__]),
-                                     (test_class, unittest.TestCase),
-                                     exec_body=set_ns))
-    return tests
+
+def make_abc_subclasses(base_class, name=None, inst=False, **kwargs):
+    if name is None:
+        name = base_class.__name__
+    base = {kind: getattr(splitabc, name)
+            for kind, splitabc in abc.items()}
+    return {cls._KIND: cls() if inst else cls
+            for cls in test_util.split_frozen(base_class, base, **kwargs)}
+
+
+class ABCTestHarness:
+
+    @property
+    def ins(self):
+        # Lazily set ins on the class.
+        cls = self.SPLIT[self._KIND]
+        ins = cls()
+        self.__class__.ins = ins
+        return ins
 
 
 class MetaPathFinder:
@@ -149,10 +152,10 @@ class MetaPathFinder:
     def find_module(self, fullname, path):
         return super().find_module(fullname, path)
 
-Frozen_MPF, Source_MPF = make_abc_subclasses(MetaPathFinder)
 
+class MetaPathFinderDefaultsTests(ABCTestHarness):
 
-class MetaPathFinderDefaultsTests:
+    SPLIT = make_abc_subclasses(MetaPathFinder)
 
     def test_find_module(self):
         # Default should return None.
@@ -163,8 +166,9 @@ class MetaPathFinderDefaultsTests:
         self.ins.invalidate_caches()
 
 
-tests = make_return_value_tests(MetaPathFinder, MetaPathFinderDefaultsTests)
-Frozen_MPFDefaultTests, Source_MPFDefaultTests = tests
+(Frozen_MPFDefaultTests,
+ Source_MPFDefaultTests
+ ) = test_util.test_both(MetaPathFinderDefaultsTests)
 
 
 class PathEntryFinder:
@@ -172,10 +176,10 @@ class PathEntryFinder:
     def find_loader(self, fullname):
         return super().find_loader(fullname)
 
-Frozen_PEF, Source_PEF = make_abc_subclasses(PathEntryFinder)
 
+class PathEntryFinderDefaultsTests(ABCTestHarness):
 
-class PathEntryFinderDefaultsTests:
+    SPLIT = make_abc_subclasses(PathEntryFinder)
 
     def test_find_loader(self):
         self.assertEqual((None, []), self.ins.find_loader('something'))
@@ -188,8 +192,9 @@ class PathEntryFinderDefaultsTests:
         self.ins.invalidate_caches()
 
 
-tests = make_return_value_tests(PathEntryFinder, PathEntryFinderDefaultsTests)
-Frozen_PEFDefaultTests, Source_PEFDefaultTests = tests
+(Frozen_PEFDefaultTests,
+ Source_PEFDefaultTests
+ ) = test_util.test_both(PathEntryFinderDefaultsTests)
 
 
 class Loader:
@@ -198,10 +203,9 @@ class Loader:
         return super().load_module(fullname)
 
 
-Frozen_L, Source_L = make_abc_subclasses(Loader)
+class LoaderDefaultsTests(ABCTestHarness):
 
-
-class LoaderDefaultsTests:
+    SPLIT = make_abc_subclasses(Loader)
 
     def test_load_module(self):
         with self.assertRaises(ImportError):
@@ -217,8 +221,9 @@ class LoaderDefaultsTests:
         self.assertTrue(repr(mod))
 
 
-tests = make_return_value_tests(Loader, LoaderDefaultsTests)
-Frozen_LDefaultTests, SourceLDefaultTests = tests
+(Frozen_LDefaultTests,
+ SourceLDefaultTests
+ ) = test_util.test_both(LoaderDefaultsTests)
 
 
 class ResourceLoader(Loader):
@@ -227,18 +232,18 @@ class ResourceLoader(Loader):
         return super().get_data(path)
 
 
-Frozen_RL, Source_RL = make_abc_subclasses(ResourceLoader)
-
+class ResourceLoaderDefaultsTests(ABCTestHarness):
 
-class ResourceLoaderDefaultsTests:
+    SPLIT = make_abc_subclasses(ResourceLoader)
 
     def test_get_data(self):
         with self.assertRaises(IOError):
             self.ins.get_data('/some/path')
 
 
-tests = make_return_value_tests(ResourceLoader, ResourceLoaderDefaultsTests)
-Frozen_RLDefaultTests, Source_RLDefaultTests = tests
+(Frozen_RLDefaultTests,
+ Source_RLDefaultTests
+ ) = test_util.test_both(ResourceLoaderDefaultsTests)
 
 
 class InspectLoader(Loader):
@@ -250,10 +255,12 @@ class InspectLoader(Loader):
         return super().get_source(fullname)
 
 
-Frozen_IL, Source_IL = make_abc_subclasses(InspectLoader)
+SPLIT_IL = make_abc_subclasses(InspectLoader)
 
 
-class InspectLoaderDefaultsTests:
+class InspectLoaderDefaultsTests(ABCTestHarness):
+
+    SPLIT = SPLIT_IL
 
     def test_is_package(self):
         with self.assertRaises(ImportError):
@@ -264,8 +271,9 @@ class InspectLoaderDefaultsTests:
             self.ins.get_source('blah')
 
 
-tests = make_return_value_tests(InspectLoader, InspectLoaderDefaultsTests)
-Frozen_ILDefaultTests, Source_ILDefaultTests = tests
+(Frozen_ILDefaultTests,
+ Source_ILDefaultTests
+ ) = test_util.test_both(InspectLoaderDefaultsTests)
 
 
 class ExecutionLoader(InspectLoader):
@@ -273,21 +281,25 @@ class ExecutionLoader(InspectLoader):
     def get_filename(self, fullname):
         return super().get_filename(fullname)
 
-Frozen_EL, Source_EL = make_abc_subclasses(ExecutionLoader)
+
+SPLIT_EL = make_abc_subclasses(ExecutionLoader)
 
 
-class ExecutionLoaderDefaultsTests:
+class ExecutionLoaderDefaultsTests(ABCTestHarness):
+
+    SPLIT = SPLIT_EL
 
     def test_get_filename(self):
         with self.assertRaises(ImportError):
             self.ins.get_filename('blah')
 
 
-tests = make_return_value_tests(ExecutionLoader, InspectLoaderDefaultsTests)
-Frozen_ELDefaultTests, Source_ELDefaultsTests = tests
+(Frozen_ELDefaultTests,
+ Source_ELDefaultsTests
+ ) = test_util.test_both(InspectLoaderDefaultsTests)
 
-##### MetaPathFinder concrete methods ##########################################
 
+##### MetaPathFinder concrete methods ##########################################
 class MetaPathFinderFindModuleTests:
 
     @classmethod
@@ -317,13 +329,12 @@ class MetaPathFinderFindModuleTests:
         self.assertIs(found, spec.loader)
 
 
-Frozen_MPFFindModuleTests, Source_MPFFindModuleTests = util.test_both(
-        MetaPathFinderFindModuleTests,
-        abc=(frozen_abc, source_abc),
-        util=(frozen_util, source_util))
+(Frozen_MPFFindModuleTests,
+ Source_MPFFindModuleTests
+ ) = test_util.test_both(MetaPathFinderFindModuleTests, abc=abc, util=util)
 
-##### PathEntryFinder concrete methods #########################################
 
+##### PathEntryFinder concrete methods #########################################
 class PathEntryFinderFindLoaderTests:
 
     @classmethod
@@ -361,11 +372,10 @@ class PathEntryFinderFindLoaderTests:
         self.assertEqual(paths, found[1])
 
 
-Frozen_PEFFindLoaderTests, Source_PEFFindLoaderTests = util.test_both(
-        PathEntryFinderFindLoaderTests,
-        abc=(frozen_abc, source_abc),
-        machinery=machinery,
-        util=(frozen_util, source_util))
+(Frozen_PEFFindLoaderTests,
+ Source_PEFFindLoaderTests
+ ) = test_util.test_both(PathEntryFinderFindLoaderTests, abc=abc, util=util,
+                         machinery=machinery)
 
 
 ##### Loader concrete methods ##################################################
@@ -386,7 +396,7 @@ class LoaderLoadModuleTests:
     def test_fresh(self):
         loader = self.loader()
         name = 'blah'
-        with util.uncache(name):
+        with test_util.uncache(name):
             loader.load_module(name)
             module = loader.found
             self.assertIs(sys.modules[name], module)
@@ -404,7 +414,7 @@ class LoaderLoadModuleTests:
         module = types.ModuleType(name)
         module.__spec__ = self.util.spec_from_loader(name, loader)
         module.__loader__ = loader
-        with util.uncache(name):
+        with test_util.uncache(name):
             sys.modules[name] = module
             loader.load_module(name)
             found = loader.found
@@ -412,10 +422,9 @@ class LoaderLoadModuleTests:
             self.assertIs(module, sys.modules[name])
 
 
-Frozen_LoaderLoadModuleTests, Source_LoaderLoadModuleTests = util.test_both(
-        LoaderLoadModuleTests,
-        abc=(frozen_abc, source_abc),
-        util=(frozen_util, source_util))
+(Frozen_LoaderLoadModuleTests,
+ Source_LoaderLoadModuleTests
+ ) = test_util.test_both(LoaderLoadModuleTests, abc=abc, util=util)
 
 
 ##### InspectLoader concrete methods ###########################################
@@ -461,11 +470,10 @@ class InspectLoaderSourceToCodeTests:
         self.assertEqual(code.co_filename, '<string>')
 
 
-class Frozen_ILSourceToCodeTests(InspectLoaderSourceToCodeTests, unittest.TestCase):
-    InspectLoaderSubclass = Frozen_IL
-
-class Source_ILSourceToCodeTests(InspectLoaderSourceToCodeTests, unittest.TestCase):
-    InspectLoaderSubclass = Source_IL
+(Frozen_ILSourceToCodeTests,
+ Source_ILSourceToCodeTests
+ ) = test_util.test_both(InspectLoaderSourceToCodeTests,
+                         InspectLoaderSubclass=SPLIT_IL)
 
 
 class InspectLoaderGetCodeTests:
@@ -495,11 +503,10 @@ class InspectLoaderGetCodeTests:
             loader.get_code('blah')
 
 
-class Frozen_ILGetCodeTests(InspectLoaderGetCodeTests, unittest.TestCase):
-    InspectLoaderSubclass = Frozen_IL
-
-class Source_ILGetCodeTests(InspectLoaderGetCodeTests, unittest.TestCase):
-    InspectLoaderSubclass = Source_IL
+(Frozen_ILGetCodeTests,
+ Source_ILGetCodeTests
+ ) = test_util.test_both(InspectLoaderGetCodeTests,
+                         InspectLoaderSubclass=SPLIT_IL)
 
 
 class InspectLoaderLoadModuleTests:
@@ -543,11 +550,10 @@ class InspectLoaderLoadModuleTests:
             self.assertEqual(module, sys.modules[self.module_name])
 
 
-class Frozen_ILLoadModuleTests(InspectLoaderLoadModuleTests, unittest.TestCase):
-    InspectLoaderSubclass = Frozen_IL
-
-class Source_ILLoadModuleTests(InspectLoaderLoadModuleTests, unittest.TestCase):
-    InspectLoaderSubclass = Source_IL
+(Frozen_ILLoadModuleTests,
+ Source_ILLoadModuleTests
+ ) = test_util.test_both(InspectLoaderLoadModuleTests,
+                         InspectLoaderSubclass=SPLIT_IL)
 
 
 ##### ExecutionLoader concrete methods #########################################
@@ -608,15 +614,14 @@ class ExecutionLoaderGetCodeTests:
         self.assertEqual(module.attr, 42)
 
 
-class Frozen_ELGetCodeTests(ExecutionLoaderGetCodeTests, unittest.TestCase):
-    ExecutionLoaderSubclass = Frozen_EL
-
-class Source_ELGetCodeTests(ExecutionLoaderGetCodeTests, unittest.TestCase):
-    ExecutionLoaderSubclass = Source_EL
+(Frozen_ELGetCodeTests,
+ Source_ELGetCodeTests
+ ) = test_util.test_both(ExecutionLoaderGetCodeTests,
+                         ExecutionLoaderSubclass=SPLIT_EL)
 
 
 ##### SourceLoader concrete methods ############################################
-class SourceLoader:
+class SourceOnlyLoader:
 
     # Globals that should be defined for all modules.
     source = (b"_ = '::'.join([__name__, __file__, __cached__, __package__, "
@@ -637,10 +642,10 @@ class SourceLoader:
         return '<module>'
 
 
-Frozen_SourceOnlyL, Source_SourceOnlyL = make_abc_subclasses(SourceLoader)
+SPLIT_SOL = make_abc_subclasses(SourceOnlyLoader, 'SourceLoader')
 
 
-class SourceLoader(SourceLoader):
+class SourceLoader(SourceOnlyLoader):
 
     source_mtime = 1
 
@@ -677,11 +682,7 @@ class SourceLoader(SourceLoader):
         return path == self.bytecode_path
 
 
-Frozen_SL, Source_SL = make_abc_subclasses(SourceLoader)
-Frozen_SL.util = frozen_util
-Source_SL.util = source_util
-Frozen_SL.init = frozen_init
-Source_SL.init = source_init
+SPLIT_SL = make_abc_subclasses(SourceLoader, util=util, init=init)
 
 
 class SourceLoaderTestHarness:
@@ -765,7 +766,7 @@ class SourceOnlyLoaderTests(SourceLoaderTestHarness):
         # Loading a module should set __name__, __loader__, __package__,
         # __path__ (for packages), __file__, and __cached__.
         # The module should also be put into sys.modules.
-        with util.uncache(self.name):
+        with test_util.uncache(self.name):
             with warnings.catch_warnings():
                 warnings.simplefilter('ignore', DeprecationWarning)
                 module = self.loader.load_module(self.name)
@@ -778,7 +779,7 @@ class SourceOnlyLoaderTests(SourceLoaderTestHarness):
         # is a package.
         # Testing the values for a package are covered by test_load_module.
         self.setUp(is_package=False)
-        with util.uncache(self.name):
+        with test_util.uncache(self.name):
             with warnings.catch_warnings():
                 warnings.simplefilter('ignore', DeprecationWarning)
                 module = self.loader.load_module(self.name)
@@ -798,13 +799,10 @@ class SourceOnlyLoaderTests(SourceLoaderTestHarness):
         self.assertEqual(returned_source, source)
 
 
-class Frozen_SourceOnlyLTests(SourceOnlyLoaderTests, unittest.TestCase):
-    loader_mock = Frozen_SourceOnlyL
-    util = frozen_util
-
-class Source_SourceOnlyLTests(SourceOnlyLoaderTests, unittest.TestCase):
-    loader_mock = Source_SourceOnlyL
-    util = source_util
+(Frozen_SourceOnlyLoaderTests,
+ Source_SourceOnlyLoaderTests
+ ) = test_util.test_both(SourceOnlyLoaderTests, util=util,
+                         loader_mock=SPLIT_SOL)
 
 
 @unittest.skipIf(sys.dont_write_bytecode, "sys.dont_write_bytecode is true")
@@ -896,15 +894,10 @@ class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
         self.verify_code(code_object)
 
 
-class Frozen_SLBytecodeTests(SourceLoaderBytecodeTests, unittest.TestCase):
-    loader_mock = Frozen_SL
-    init = frozen_init
-    util = frozen_util
-
-class SourceSLBytecodeTests(SourceLoaderBytecodeTests, unittest.TestCase):
-    loader_mock = Source_SL
-    init = source_init
-    util = source_util
+(Frozen_SLBytecodeTests,
+ SourceSLBytecodeTests
+ ) = test_util.test_both(SourceLoaderBytecodeTests, init=init, util=util,
+                         loader_mock=SPLIT_SL)
 
 
 class SourceLoaderGetSourceTests:
@@ -940,11 +933,10 @@ class SourceLoaderGetSourceTests:
         self.assertEqual(mock.get_source(name), expect)
 
 
-class Frozen_SourceOnlyLGetSourceTests(SourceLoaderGetSourceTests, unittest.TestCase):
-    SourceOnlyLoaderMock = Frozen_SourceOnlyL
-
-class Source_SourceOnlyLGetSourceTests(SourceLoaderGetSourceTests, unittest.TestCase):
-    SourceOnlyLoaderMock = Source_SourceOnlyL
+(Frozen_SourceOnlyLoaderGetSourceTests,
+ Source_SourceOnlyLoaderGetSourceTests
+ ) = test_util.test_both(SourceLoaderGetSourceTests,
+                         SourceOnlyLoaderMock=SPLIT_SOL)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/test_api.py b/Lib/test/test_importlib/test_api.py
index 2a2d42b..6bc3c56 100644
--- a/Lib/test/test_importlib/test_api.py
+++ b/Lib/test/test_importlib/test_api.py
@@ -1,8 +1,8 @@
-from . import util
+from . import util as test_util
 
-frozen_init, source_init = util.import_importlib('importlib')
-frozen_util, source_util = util.import_importlib('importlib.util')
-frozen_machinery, source_machinery = util.import_importlib('importlib.machinery')
+init = test_util.import_importlib('importlib')
+util = test_util.import_importlib('importlib.util')
+machinery = test_util.import_importlib('importlib.machinery')
 
 import os.path
 import sys
@@ -18,8 +18,8 @@ class ImportModuleTests:
 
     def test_module_import(self):
         # Test importing a top-level module.
-        with util.mock_modules('top_level') as mock:
-            with util.import_state(meta_path=[mock]):
+        with test_util.mock_modules('top_level') as mock:
+            with test_util.import_state(meta_path=[mock]):
                 module = self.init.import_module('top_level')
                 self.assertEqual(module.__name__, 'top_level')
 
@@ -28,8 +28,8 @@ class ImportModuleTests:
         pkg_name = 'pkg'
         pkg_long_name = '{0}.__init__'.format(pkg_name)
         name = '{0}.mod'.format(pkg_name)
-        with util.mock_modules(pkg_long_name, name) as mock:
-            with util.import_state(meta_path=[mock]):
+        with test_util.mock_modules(pkg_long_name, name) as mock:
+            with test_util.import_state(meta_path=[mock]):
                 module = self.init.import_module(name)
                 self.assertEqual(module.__name__, name)
 
@@ -40,16 +40,16 @@ class ImportModuleTests:
         module_name = 'mod'
         absolute_name = '{0}.{1}'.format(pkg_name, module_name)
         relative_name = '.{0}'.format(module_name)
-        with util.mock_modules(pkg_long_name, absolute_name) as mock:
-            with util.import_state(meta_path=[mock]):
+        with test_util.mock_modules(pkg_long_name, absolute_name) as mock:
+            with test_util.import_state(meta_path=[mock]):
                 self.init.import_module(pkg_name)
                 module = self.init.import_module(relative_name, pkg_name)
                 self.assertEqual(module.__name__, absolute_name)
 
     def test_deep_relative_package_import(self):
         modules = ['a.__init__', 'a.b.__init__', 'a.c']
-        with util.mock_modules(*modules) as mock:
-            with util.import_state(meta_path=[mock]):
+        with test_util.mock_modules(*modules) as mock:
+            with test_util.import_state(meta_path=[mock]):
                 self.init.import_module('a')
                 self.init.import_module('a.b')
                 module = self.init.import_module('..c', 'a.b')
@@ -61,8 +61,8 @@ class ImportModuleTests:
         pkg_name = 'pkg'
         pkg_long_name = '{0}.__init__'.format(pkg_name)
         name = '{0}.mod'.format(pkg_name)
-        with util.mock_modules(pkg_long_name, name) as mock:
-            with util.import_state(meta_path=[mock]):
+        with test_util.mock_modules(pkg_long_name, name) as mock:
+            with test_util.import_state(meta_path=[mock]):
                 self.init.import_module(pkg_name)
                 module = self.init.import_module(name, pkg_name)
                 self.assertEqual(module.__name__, name)
@@ -86,16 +86,15 @@ class ImportModuleTests:
             b_load_count += 1
         code = {'a': load_a, 'a.b': load_b}
         modules = ['a.__init__', 'a.b']
-        with util.mock_modules(*modules, module_code=code) as mock:
-            with util.import_state(meta_path=[mock]):
+        with test_util.mock_modules(*modules, module_code=code) as mock:
+            with test_util.import_state(meta_path=[mock]):
                 self.init.import_module('a.b')
         self.assertEqual(b_load_count, 1)
 
-class Frozen_ImportModuleTests(ImportModuleTests, unittest.TestCase):
-    init = frozen_init
 
-class Source_ImportModuleTests(ImportModuleTests, unittest.TestCase):
-    init = source_init
+(Frozen_ImportModuleTests,
+ Source_ImportModuleTests
+ ) = test_util.test_both(ImportModuleTests, init=init)
 
 
 class FindLoaderTests:
@@ -107,7 +106,7 @@ class FindLoaderTests:
     def test_sys_modules(self):
         # If a module with __loader__ is in sys.modules, then return it.
         name = 'some_mod'
-        with util.uncache(name):
+        with test_util.uncache(name):
             module = types.ModuleType(name)
             loader = 'a loader!'
             module.__loader__ = loader
@@ -120,7 +119,7 @@ class FindLoaderTests:
     def test_sys_modules_loader_is_None(self):
         # If sys.modules[name].__loader__ is None, raise ValueError.
         name = 'some_mod'
-        with util.uncache(name):
+        with test_util.uncache(name):
             module = types.ModuleType(name)
             module.__loader__ = None
             sys.modules[name] = module
@@ -133,7 +132,7 @@ class FindLoaderTests:
         # Should raise ValueError
         # Issue #17099
         name = 'some_mod'
-        with util.uncache(name):
+        with test_util.uncache(name):
             module = types.ModuleType(name)
             try:
                 del module.__loader__
@@ -148,8 +147,8 @@ class FindLoaderTests:
     def test_success(self):
         # Return the loader found on sys.meta_path.
         name = 'some_mod'
-        with util.uncache(name):
-            with util.import_state(meta_path=[self.FakeMetaFinder]):
+        with test_util.uncache(name):
+            with test_util.import_state(meta_path=[self.FakeMetaFinder]):
                 with warnings.catch_warnings():
                     warnings.simplefilter('ignore', DeprecationWarning)
                     self.assertEqual((name, None), self.init.find_loader(name))
@@ -158,8 +157,8 @@ class FindLoaderTests:
         # Searching on a path should work.
         name = 'some_mod'
         path = 'path to some place'
-        with util.uncache(name):
-            with util.import_state(meta_path=[self.FakeMetaFinder]):
+        with test_util.uncache(name):
+            with test_util.import_state(meta_path=[self.FakeMetaFinder]):
                 with warnings.catch_warnings():
                     warnings.simplefilter('ignore', DeprecationWarning)
                     self.assertEqual((name, path),
@@ -171,11 +170,10 @@ class FindLoaderTests:
             warnings.simplefilter('ignore', DeprecationWarning)
             self.assertIsNone(self.init.find_loader('nevergoingtofindthismodule'))
 
-class Frozen_FindLoaderTests(FindLoaderTests, unittest.TestCase):
-    init = frozen_init
 
-class Source_FindLoaderTests(FindLoaderTests, unittest.TestCase):
-    init = source_init
+(Frozen_FindLoaderTests,
+ Source_FindLoaderTests
+ ) = test_util.test_both(FindLoaderTests, init=init)
 
 
 class ReloadTests:
@@ -195,10 +193,10 @@ class ReloadTests:
             module = type(sys)('top_level')
             module.spam = 3
             sys.modules['top_level'] = module
-        mock = util.mock_modules('top_level',
-                                 module_code={'top_level': code})
+        mock = test_util.mock_modules('top_level',
+                                      module_code={'top_level': code})
         with mock:
-            with util.import_state(meta_path=[mock]):
+            with test_util.import_state(meta_path=[mock]):
                 module = self.init.import_module('top_level')
                 reloaded = self.init.reload(module)
                 actual = sys.modules['top_level']
@@ -230,7 +228,7 @@ class ReloadTests:
     def test_reload_location_changed(self):
         name = 'spam'
         with support.temp_cwd(None) as cwd:
-            with util.uncache('spam'):
+            with test_util.uncache('spam'):
                 with support.DirsOnSysPath(cwd):
                     # Start as a plain module.
                     self.init.invalidate_caches()
@@ -281,7 +279,7 @@ class ReloadTests:
     def test_reload_namespace_changed(self):
         name = 'spam'
         with support.temp_cwd(None) as cwd:
-            with util.uncache('spam'):
+            with test_util.uncache('spam'):
                 with support.DirsOnSysPath(cwd):
                     # Start as a namespace package.
                     self.init.invalidate_caches()
@@ -338,20 +336,16 @@ class ReloadTests:
         # See #19851.
         name = 'spam'
         subname = 'ham'
-        with util.temp_module(name, pkg=True) as pkg_dir:
-            fullname, _ = util.submodule(name, subname, pkg_dir)
+        with test_util.temp_module(name, pkg=True) as pkg_dir:
+            fullname, _ = test_util.submodule(name, subname, pkg_dir)
             ham = self.init.import_module(fullname)
             reloaded = self.init.reload(ham)
             self.assertIs(reloaded, ham)
 
 
-class Frozen_ReloadTests(ReloadTests, unittest.TestCase):
-    init = frozen_init
-    util = frozen_util
-
-class Source_ReloadTests(ReloadTests, unittest.TestCase):
-    init = source_init
-    util = source_util
+(Frozen_ReloadTests,
+ Source_ReloadTests
+ ) = test_util.test_both(ReloadTests, init=init, util=util)
 
 
 class InvalidateCacheTests:
@@ -384,11 +378,10 @@ class InvalidateCacheTests:
         self.addCleanup(lambda: sys.path_importer_cache.__delitem__(key))
         self.init.invalidate_caches()  # Shouldn't trigger an exception.
 
-class Frozen_InvalidateCacheTests(InvalidateCacheTests, unittest.TestCase):
-    init = frozen_init
 
-class Source_InvalidateCacheTests(InvalidateCacheTests, unittest.TestCase):
-    init = source_init
+(Frozen_InvalidateCacheTests,
+ Source_InvalidateCacheTests
+ ) = test_util.test_both(InvalidateCacheTests, init=init)
 
 
 class FrozenImportlibTests(unittest.TestCase):
@@ -398,6 +391,7 @@ class FrozenImportlibTests(unittest.TestCase):
         # Can't do an isinstance() check since separate copies of importlib
         # may have been used for import, so just check the name is not for the
         # frozen loader.
+        source_init = init['Source']
         self.assertNotEqual(source_init.__loader__.__class__.__name__,
                             'FrozenImporter')
 
@@ -426,11 +420,10 @@ class StartupTests:
                     elif self.machinery.FrozenImporter.find_module(name):
                         self.assertIsNot(module.__spec__, None)
 
-class Frozen_StartupTests(StartupTests, unittest.TestCase):
-    machinery = frozen_machinery
 
-class Source_StartupTests(StartupTests, unittest.TestCase):
-    machinery = source_machinery
+(Frozen_StartupTests,
+ Source_StartupTests
+ ) = test_util.test_both(StartupTests, machinery=machinery)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/test_lazy.py b/Lib/test/test_importlib/test_lazy.py
new file mode 100644
index 0000000..2e191bb
--- /dev/null
+++ b/Lib/test/test_importlib/test_lazy.py
@@ -0,0 +1,132 @@
+import importlib
+from importlib import abc
+from importlib import util
+import unittest
+
+from . import util as test_util
+
+
+class CollectInit:
+
+    def __init__(self, *args, **kwargs):
+        self.args = args
+        self.kwargs = kwargs
+
+    def exec_module(self, module):
+        return self
+
+
+class LazyLoaderFactoryTests(unittest.TestCase):
+
+    def test_init(self):
+        factory = util.LazyLoader.factory(CollectInit)
+        # E.g. what importlib.machinery.FileFinder instantiates loaders with
+        # plus keyword arguments.
+        lazy_loader = factory('module name', 'module path', kw='kw')
+        loader = lazy_loader.loader
+        self.assertEqual(('module name', 'module path'), loader.args)
+        self.assertEqual({'kw': 'kw'}, loader.kwargs)
+
+    def test_validation(self):
+        # No exec_module(), no lazy loading.
+        with self.assertRaises(TypeError):
+            util.LazyLoader.factory(object)
+
+
+class TestingImporter(abc.MetaPathFinder, abc.Loader):
+
+    module_name = 'lazy_loader_test'
+    mutated_name = 'changed'
+    loaded = None
+    source_code = 'attr = 42; __name__ = {!r}'.format(mutated_name)
+
+    def find_spec(self, name, path, target=None):
+        if name != self.module_name:
+            return None
+        return util.spec_from_loader(name, util.LazyLoader(self))
+
+    def exec_module(self, module):
+        exec(self.source_code, module.__dict__)
+        self.loaded = module
+
+
+class LazyLoaderTests(unittest.TestCase):
+
+    def test_init(self):
+        with self.assertRaises(TypeError):
+            util.LazyLoader(object)
+
+    def new_module(self, source_code=None):
+        loader = TestingImporter()
+        if source_code is not None:
+            loader.source_code = source_code
+        spec = util.spec_from_loader(TestingImporter.module_name,
+                                     util.LazyLoader(loader))
+        module = spec.loader.create_module(spec)
+        module.__spec__ = spec
+        module.__loader__ = spec.loader
+        spec.loader.exec_module(module)
+        # Module is now lazy.
+        self.assertIsNone(loader.loaded)
+        return module
+
+    def test_e2e(self):
+        # End-to-end test to verify the load is in fact lazy.
+        importer = TestingImporter()
+        assert importer.loaded is None
+        with test_util.uncache(importer.module_name):
+            with test_util.import_state(meta_path=[importer]):
+                module = importlib.import_module(importer.module_name)
+        self.assertIsNone(importer.loaded)
+        # Trigger load.
+        self.assertEqual(module.__loader__, importer)
+        self.assertIsNotNone(importer.loaded)
+        self.assertEqual(module, importer.loaded)
+
+    def test_attr_unchanged(self):
+        # An attribute only mutated as a side-effect of import should not be
+        # changed needlessly.
+        module = self.new_module()
+        self.assertEqual(TestingImporter.mutated_name, module.__name__)
+
+    def test_new_attr(self):
+        # A new attribute should persist.
+        module = self.new_module()
+        module.new_attr = 42
+        self.assertEqual(42, module.new_attr)
+
+    def test_mutated_preexisting_attr(self):
+        # Changing an attribute that already existed on the module --
+        # e.g. __name__ -- should persist.
+        module = self.new_module()
+        module.__name__ = 'bogus'
+        self.assertEqual('bogus', module.__name__)
+
+    def test_mutated_attr(self):
+        # Changing an attribute that comes into existence after an import
+        # should persist.
+        module = self.new_module()
+        module.attr = 6
+        self.assertEqual(6, module.attr)
+
+    def test_delete_eventual_attr(self):
+        # Deleting an attribute should stay deleted.
+        module = self.new_module()
+        del module.attr
+        self.assertFalse(hasattr(module, 'attr'))
+
+    def test_delete_preexisting_attr(self):
+        module = self.new_module()
+        del module.__name__
+        self.assertFalse(hasattr(module, '__name__'))
+
+    def test_module_substitution_error(self):
+        source_code = 'import sys; sys.modules[__name__] = 42'
+        module = self.new_module(source_code)
+        with test_util.uncache(TestingImporter.module_name):
+            with self.assertRaises(ValueError):
+                module.__name__
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/Lib/test/test_importlib/test_locks.py b/Lib/test/test_importlib/test_locks.py
index dc97ba1..df0af12 100644
--- a/Lib/test/test_importlib/test_locks.py
+++ b/Lib/test/test_importlib/test_locks.py
@@ -1,7 +1,6 @@
-from . import util
-frozen_init, source_init = util.import_importlib('importlib')
-frozen_bootstrap = frozen_init._bootstrap
-source_bootstrap = source_init._bootstrap
+from . import util as test_util
+
+init = test_util.import_importlib('importlib')
 
 import sys
 import time
@@ -32,14 +31,20 @@ if threading is not None:
         test_timeout = None
         # _release_save() unsupported
         test_release_save_unacquired = None
+        # lock status in repr unsupported
+        test_repr = None
+        test_locked_repr = None
 
-    class Frozen_ModuleLockAsRLockTests(ModuleLockAsRLockTests, lock_tests.RLockTests):
-        LockType = frozen_bootstrap._ModuleLock
-
-    class Source_ModuleLockAsRLockTests(ModuleLockAsRLockTests, lock_tests.RLockTests):
-        LockType = source_bootstrap._ModuleLock
+    LOCK_TYPES = {kind: splitinit._bootstrap._ModuleLock
+                  for kind, splitinit in init.items()}
 
+    (Frozen_ModuleLockAsRLockTests,
+     Source_ModuleLockAsRLockTests
+     ) = test_util.test_both(ModuleLockAsRLockTests, lock_tests.RLockTests,
+                             LockType=LOCK_TYPES)
 else:
+    LOCK_TYPES = {}
+
     class Frozen_ModuleLockAsRLockTests(unittest.TestCase):
         pass
 
@@ -47,78 +52,94 @@ else:
         pass
 
 
-class DeadlockAvoidanceTests:
-
-    def setUp(self):
-        try:
-            self.old_switchinterval = sys.getswitchinterval()
-            sys.setswitchinterval(0.000001)
-        except AttributeError:
-            self.old_switchinterval = None
-
-    def tearDown(self):
-        if self.old_switchinterval is not None:
-            sys.setswitchinterval(self.old_switchinterval)
-
-    def run_deadlock_avoidance_test(self, create_deadlock):
-        NLOCKS = 10
-        locks = [self.LockType(str(i)) for i in range(NLOCKS)]
-        pairs = [(locks[i], locks[(i+1)%NLOCKS]) for i in range(NLOCKS)]
-        if create_deadlock:
-            NTHREADS = NLOCKS
-        else:
-            NTHREADS = NLOCKS - 1
-        barrier = threading.Barrier(NTHREADS)
-        results = []
-        def _acquire(lock):
-            """Try to acquire the lock. Return True on success, False on deadlock."""
+if threading is not None:
+    class DeadlockAvoidanceTests:
+
+        def setUp(self):
             try:
-                lock.acquire()
-            except self.DeadlockError:
-                return False
+                self.old_switchinterval = sys.getswitchinterval()
+                sys.setswitchinterval(0.000001)
+            except AttributeError:
+                self.old_switchinterval = None
+
+        def tearDown(self):
+            if self.old_switchinterval is not None:
+                sys.setswitchinterval(self.old_switchinterval)
+
+        def run_deadlock_avoidance_test(self, create_deadlock):
+            NLOCKS = 10
+            locks = [self.LockType(str(i)) for i in range(NLOCKS)]
+            pairs = [(locks[i], locks[(i+1)%NLOCKS]) for i in range(NLOCKS)]
+            if create_deadlock:
+                NTHREADS = NLOCKS
             else:
-                return True
-        def f():
-            a, b = pairs.pop()
-            ra = _acquire(a)
-            barrier.wait()
-            rb = _acquire(b)
-            results.append((ra, rb))
-            if rb:
-                b.release()
-            if ra:
-                a.release()
-        lock_tests.Bunch(f, NTHREADS).wait_for_finished()
-        self.assertEqual(len(results), NTHREADS)
-        return results
-
-    def test_deadlock(self):
-        results = self.run_deadlock_avoidance_test(True)
-        # At least one of the threads detected a potential deadlock on its
-        # second acquire() call.  It may be several of them, because the
-        # deadlock avoidance mechanism is conservative.
-        nb_deadlocks = results.count((True, False))
-        self.assertGreaterEqual(nb_deadlocks, 1)
-        self.assertEqual(results.count((True, True)), len(results) - nb_deadlocks)
-
-    def test_no_deadlock(self):
-        results = self.run_deadlock_avoidance_test(False)
-        self.assertEqual(results.count((True, False)), 0)
-        self.assertEqual(results.count((True, True)), len(results))
-
-@unittest.skipUnless(threading, "threads needed for this test")
-class Frozen_DeadlockAvoidanceTests(DeadlockAvoidanceTests, unittest.TestCase):
-    LockType = frozen_bootstrap._ModuleLock
-    DeadlockError = frozen_bootstrap._DeadlockError
-
-@unittest.skipUnless(threading, "threads needed for this test")
-class Source_DeadlockAvoidanceTests(DeadlockAvoidanceTests, unittest.TestCase):
-    LockType = source_bootstrap._ModuleLock
-    DeadlockError = source_bootstrap._DeadlockError
+                NTHREADS = NLOCKS - 1
+            barrier = threading.Barrier(NTHREADS)
+            results = []
+
+            def _acquire(lock):
+                """Try to acquire the lock. Return True on success,
+                False on deadlock."""
+                try:
+                    lock.acquire()
+                except self.DeadlockError:
+                    return False
+                else:
+                    return True
+
+            def f():
+                a, b = pairs.pop()
+                ra = _acquire(a)
+                barrier.wait()
+                rb = _acquire(b)
+                results.append((ra, rb))
+                if rb:
+                    b.release()
+                if ra:
+                    a.release()
+            lock_tests.Bunch(f, NTHREADS).wait_for_finished()
+            self.assertEqual(len(results), NTHREADS)
+            return results
+
+        def test_deadlock(self):
+            results = self.run_deadlock_avoidance_test(True)
+            # At least one of the threads detected a potential deadlock on its
+            # second acquire() call.  It may be several of them, because the
+            # deadlock avoidance mechanism is conservative.
+            nb_deadlocks = results.count((True, False))
+            self.assertGreaterEqual(nb_deadlocks, 1)
+            self.assertEqual(results.count((True, True)), len(results) - nb_deadlocks)
+
+        def test_no_deadlock(self):
+            results = self.run_deadlock_avoidance_test(False)
+            self.assertEqual(results.count((True, False)), 0)
+            self.assertEqual(results.count((True, True)), len(results))
+
+
+    DEADLOCK_ERRORS = {kind: splitinit._bootstrap._DeadlockError
+                       for kind, splitinit in init.items()}
+
+    (Frozen_DeadlockAvoidanceTests,
+     Source_DeadlockAvoidanceTests
+     ) = test_util.test_both(DeadlockAvoidanceTests,
+                             LockType=LOCK_TYPES,
+                             DeadlockError=DEADLOCK_ERRORS)
+else:
+    DEADLOCK_ERRORS = {}
+
+    class Frozen_DeadlockAvoidanceTests(unittest.TestCase):
+        pass
+
+    class Source_DeadlockAvoidanceTests(unittest.TestCase):
+        pass
 
 
 class LifetimeTests:
 
+    @property
+    def bootstrap(self):
+        return self.init._bootstrap
+
     def test_lock_lifetime(self):
         name = "xyzzy"
         self.assertNotIn(name, self.bootstrap._module_locks)
@@ -135,11 +156,10 @@ class LifetimeTests:
         self.assertEqual(0, len(self.bootstrap._module_locks),
                          self.bootstrap._module_locks)
 
-class Frozen_LifetimeTests(LifetimeTests, unittest.TestCase):
-    bootstrap = frozen_bootstrap
 
-class Source_LifetimeTests(LifetimeTests, unittest.TestCase):
-    bootstrap = source_bootstrap
+(Frozen_LifetimeTests,
+ Source_LifetimeTests
+ ) = test_util.test_both(LifetimeTests, init=init)
 
 
 @support.reap_threads
diff --git a/Lib/test/test_importlib/test_spec.py b/Lib/test/test_importlib/test_spec.py
index 71541f6..8b333e8 100644
--- a/Lib/test/test_importlib/test_spec.py
+++ b/Lib/test/test_importlib/test_spec.py
@@ -1,10 +1,8 @@
-from . import util
+from . import util as test_util
 
-frozen_init, source_init = util.import_importlib('importlib')
-frozen_bootstrap = frozen_init._bootstrap
-source_bootstrap = source_init._bootstrap
-frozen_machinery, source_machinery = util.import_importlib('importlib.machinery')
-frozen_util, source_util = util.import_importlib('importlib.util')
+init = test_util.import_importlib('importlib')
+machinery = test_util.import_importlib('importlib.machinery')
+util = test_util.import_importlib('importlib.util')
 
 import os.path
 from test.support import CleanImport
@@ -36,6 +34,9 @@ class TestLoader:
     def _is_package(self, name):
         return self.package
 
+    def create_module(self, spec):
+        return None
+
 
 class NewLoader(TestLoader):
 
@@ -52,6 +53,8 @@ class LegacyLoader(TestLoader):
     with warnings.catch_warnings():
         warnings.simplefilter("ignore", DeprecationWarning)
 
+        frozen_util = util['Frozen']
+
         @frozen_util.module_for_loader
         def load_module(self, module):
             module.ham = self.HAM
@@ -221,18 +224,17 @@ class ModuleSpecTests:
         self.assertEqual(self.loc_spec.cached, 'spam.pyc')
 
 
-class Frozen_ModuleSpecTests(ModuleSpecTests, unittest.TestCase):
-    util = frozen_util
-    machinery = frozen_machinery
-
-
-class Source_ModuleSpecTests(ModuleSpecTests, unittest.TestCase):
-    util = source_util
-    machinery = source_machinery
+(Frozen_ModuleSpecTests,
+ Source_ModuleSpecTests
+ ) = test_util.test_both(ModuleSpecTests, util=util, machinery=machinery)
 
 
 class ModuleSpecMethodsTests:
 
+    @property
+    def bootstrap(self):
+        return self.init._bootstrap
+
     def setUp(self):
         self.name = 'spam'
         self.path = 'spam.py'
@@ -243,152 +245,14 @@ class ModuleSpecMethodsTests:
                                                   origin=self.path)
         self.loc_spec._set_fileattr = True
 
-    # init_module_attrs
-
-    def test_init_module_attrs(self):
-        module = type(sys)(self.name)
-        spec = self.machinery.ModuleSpec(self.name, self.loader)
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertEqual(module.__name__, spec.name)
-        self.assertIs(module.__loader__, spec.loader)
-        self.assertEqual(module.__package__, spec.parent)
-        self.assertIs(module.__spec__, spec)
-        self.assertFalse(hasattr(module, '__path__'))
-        self.assertFalse(hasattr(module, '__file__'))
-        self.assertFalse(hasattr(module, '__cached__'))
-
-    def test_init_module_attrs_package(self):
-        module = type(sys)(self.name)
-        spec = self.machinery.ModuleSpec(self.name, self.loader)
-        spec.submodule_search_locations = ['spam', 'ham']
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertEqual(module.__name__, spec.name)
-        self.assertIs(module.__loader__, spec.loader)
-        self.assertEqual(module.__package__, spec.parent)
-        self.assertIs(module.__spec__, spec)
-        self.assertIs(module.__path__, spec.submodule_search_locations)
-        self.assertFalse(hasattr(module, '__file__'))
-        self.assertFalse(hasattr(module, '__cached__'))
-
-    def test_init_module_attrs_location(self):
-        module = type(sys)(self.name)
-        spec = self.loc_spec
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertEqual(module.__name__, spec.name)
-        self.assertIs(module.__loader__, spec.loader)
-        self.assertEqual(module.__package__, spec.parent)
-        self.assertIs(module.__spec__, spec)
-        self.assertFalse(hasattr(module, '__path__'))
-        self.assertEqual(module.__file__, spec.origin)
-        self.assertEqual(module.__cached__,
-                         self.util.cache_from_source(spec.origin))
-
-    def test_init_module_attrs_different_name(self):
-        module = type(sys)('eggs')
-        spec = self.machinery.ModuleSpec(self.name, self.loader)
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertEqual(module.__name__, spec.name)
-
-    def test_init_module_attrs_different_spec(self):
-        module = type(sys)(self.name)
-        module.__spec__ = self.machinery.ModuleSpec('eggs', object())
-        spec = self.machinery.ModuleSpec(self.name, self.loader)
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertEqual(module.__name__, spec.name)
-        self.assertIs(module.__loader__, spec.loader)
-        self.assertEqual(module.__package__, spec.parent)
-        self.assertIs(module.__spec__, spec)
-
-    def test_init_module_attrs_already_set(self):
-        module = type(sys)('ham.eggs')
-        module.__loader__ = object()
-        module.__package__ = 'ham'
-        module.__path__ = ['eggs']
-        module.__file__ = 'ham/eggs/__init__.py'
-        module.__cached__ = self.util.cache_from_source(module.__file__)
-        original = vars(module).copy()
-        spec = self.loc_spec
-        spec.submodule_search_locations = ['']
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertIs(module.__loader__, original['__loader__'])
-        self.assertEqual(module.__package__, original['__package__'])
-        self.assertIs(module.__path__, original['__path__'])
-        self.assertEqual(module.__file__, original['__file__'])
-        self.assertEqual(module.__cached__, original['__cached__'])
-
-    def test_init_module_attrs_immutable(self):
-        module = object()
-        spec = self.loc_spec
-        spec.submodule_search_locations = ['']
-        self.bootstrap._SpecMethods(spec).init_module_attrs(module)
-
-        self.assertFalse(hasattr(module, '__name__'))
-        self.assertFalse(hasattr(module, '__loader__'))
-        self.assertFalse(hasattr(module, '__package__'))
-        self.assertFalse(hasattr(module, '__spec__'))
-        self.assertFalse(hasattr(module, '__path__'))
-        self.assertFalse(hasattr(module, '__file__'))
-        self.assertFalse(hasattr(module, '__cached__'))
-
-    # create()
-
-    def test_create(self):
-        created = self.bootstrap._SpecMethods(self.spec).create()
-
-        self.assertEqual(created.__name__, self.spec.name)
-        self.assertIs(created.__loader__, self.spec.loader)
-        self.assertEqual(created.__package__, self.spec.parent)
-        self.assertIs(created.__spec__, self.spec)
-        self.assertFalse(hasattr(created, '__path__'))
-        self.assertFalse(hasattr(created, '__file__'))
-        self.assertFalse(hasattr(created, '__cached__'))
-
-    def test_create_from_loader(self):
-        module = type(sys.implementation)()
-        class CreatingLoader(TestLoader):
-            def create_module(self, spec):
-                return module
-        self.spec.loader = CreatingLoader()
-        created = self.bootstrap._SpecMethods(self.spec).create()
-
-        self.assertIs(created, module)
-        self.assertEqual(created.__name__, self.spec.name)
-        self.assertIs(created.__loader__, self.spec.loader)
-        self.assertEqual(created.__package__, self.spec.parent)
-        self.assertIs(created.__spec__, self.spec)
-        self.assertFalse(hasattr(created, '__path__'))
-        self.assertFalse(hasattr(created, '__file__'))
-        self.assertFalse(hasattr(created, '__cached__'))
-
-    def test_create_from_loader_not_handled(self):
-        class CreatingLoader(TestLoader):
-            def create_module(self, spec):
-                return None
-        self.spec.loader = CreatingLoader()
-        created = self.bootstrap._SpecMethods(self.spec).create()
-
-        self.assertEqual(created.__name__, self.spec.name)
-        self.assertIs(created.__loader__, self.spec.loader)
-        self.assertEqual(created.__package__, self.spec.parent)
-        self.assertIs(created.__spec__, self.spec)
-        self.assertFalse(hasattr(created, '__path__'))
-        self.assertFalse(hasattr(created, '__file__'))
-        self.assertFalse(hasattr(created, '__cached__'))
-
     # exec()
 
     def test_exec(self):
         self.spec.loader = NewLoader()
-        module = self.bootstrap._SpecMethods(self.spec).create()
+        module = self.util.module_from_spec(self.spec)
         sys.modules[self.name] = module
         self.assertFalse(hasattr(module, 'eggs'))
-        self.bootstrap._SpecMethods(self.spec).exec(module)
+        self.bootstrap._exec(self.spec, module)
 
         self.assertEqual(module.eggs, 1)
 
@@ -397,7 +261,7 @@ class ModuleSpecMethodsTests:
     def test_load(self):
         self.spec.loader = NewLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
             installed = sys.modules[self.spec.name]
 
         self.assertEqual(loaded.eggs, 1)
@@ -410,7 +274,7 @@ class ModuleSpecMethodsTests:
                 sys.modules[module.__name__] = replacement
         self.spec.loader = ReplacingLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
             installed = sys.modules[self.spec.name]
 
         self.assertIs(loaded, replacement)
@@ -423,7 +287,7 @@ class ModuleSpecMethodsTests:
         self.spec.loader = FailedLoader()
         with CleanImport(self.spec.name):
             with self.assertRaises(RuntimeError):
-                loaded = self.bootstrap._SpecMethods(self.spec).load()
+                loaded = self.bootstrap._load(self.spec)
             self.assertNotIn(self.spec.name, sys.modules)
 
     def test_load_failed_removed(self):
@@ -434,20 +298,20 @@ class ModuleSpecMethodsTests:
         self.spec.loader = FailedLoader()
         with CleanImport(self.spec.name):
             with self.assertRaises(RuntimeError):
-                loaded = self.bootstrap._SpecMethods(self.spec).load()
+                loaded = self.bootstrap._load(self.spec)
             self.assertNotIn(self.spec.name, sys.modules)
 
     def test_load_legacy(self):
         self.spec.loader = LegacyLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
 
         self.assertEqual(loaded.ham, -1)
 
     def test_load_legacy_attributes(self):
         self.spec.loader = LegacyLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
 
         self.assertIs(loaded.__loader__, self.spec.loader)
         self.assertEqual(loaded.__package__, self.spec.parent)
@@ -461,7 +325,7 @@ class ModuleSpecMethodsTests:
                 return module
         self.spec.loader = ImmutableLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
 
             self.assertIs(sys.modules[self.spec.name], module)
 
@@ -470,8 +334,8 @@ class ModuleSpecMethodsTests:
     def test_reload(self):
         self.spec.loader = NewLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
-            reloaded = self.bootstrap._SpecMethods(self.spec).exec(loaded)
+            loaded = self.bootstrap._load(self.spec)
+            reloaded = self.bootstrap._exec(self.spec, loaded)
             installed = sys.modules[self.spec.name]
 
         self.assertEqual(loaded.eggs, 1)
@@ -481,9 +345,9 @@ class ModuleSpecMethodsTests:
     def test_reload_modified(self):
         self.spec.loader = NewLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
             loaded.eggs = 2
-            reloaded = self.bootstrap._SpecMethods(self.spec).exec(loaded)
+            reloaded = self.bootstrap._exec(self.spec, loaded)
 
         self.assertEqual(loaded.eggs, 1)
         self.assertIs(reloaded, loaded)
@@ -491,9 +355,9 @@ class ModuleSpecMethodsTests:
     def test_reload_extra_attributes(self):
         self.spec.loader = NewLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
             loaded.available = False
-            reloaded = self.bootstrap._SpecMethods(self.spec).exec(loaded)
+            reloaded = self.bootstrap._exec(self.spec, loaded)
 
         self.assertFalse(loaded.available)
         self.assertIs(reloaded, loaded)
@@ -501,12 +365,12 @@ class ModuleSpecMethodsTests:
     def test_reload_init_module_attrs(self):
         self.spec.loader = NewLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
+            loaded = self.bootstrap._load(self.spec)
             loaded.__name__ = 'ham'
             del loaded.__loader__
             del loaded.__package__
             del loaded.__spec__
-            self.bootstrap._SpecMethods(self.spec).exec(loaded)
+            self.bootstrap._exec(self.spec, loaded)
 
         self.assertEqual(loaded.__name__, self.spec.name)
         self.assertIs(loaded.__loader__, self.spec.loader)
@@ -519,8 +383,8 @@ class ModuleSpecMethodsTests:
     def test_reload_legacy(self):
         self.spec.loader = LegacyLoader()
         with CleanImport(self.spec.name):
-            loaded = self.bootstrap._SpecMethods(self.spec).load()
-            reloaded = self.bootstrap._SpecMethods(self.spec).exec(loaded)
+            loaded = self.bootstrap._load(self.spec)
+            reloaded = self.bootstrap._exec(self.spec, loaded)
             installed = sys.modules[self.spec.name]
 
         self.assertEqual(loaded.ham, -1)
@@ -528,20 +392,18 @@ class ModuleSpecMethodsTests:
         self.assertIs(installed, loaded)
 
 
-class Frozen_ModuleSpecMethodsTests(ModuleSpecMethodsTests, unittest.TestCase):
-    bootstrap = frozen_bootstrap
-    machinery = frozen_machinery
-    util = frozen_util
-
-
-class Source_ModuleSpecMethodsTests(ModuleSpecMethodsTests, unittest.TestCase):
-    bootstrap = source_bootstrap
-    machinery = source_machinery
-    util = source_util
+(Frozen_ModuleSpecMethodsTests,
+ Source_ModuleSpecMethodsTests
+ ) = test_util.test_both(ModuleSpecMethodsTests, init=init, util=util,
+                         machinery=machinery)
 
 
 class ModuleReprTests:
 
+    @property
+    def bootstrap(self):
+        return self.init._bootstrap
+
     def setUp(self):
         self.module = type(os)('spam')
         self.spec = self.machinery.ModuleSpec('spam', TestLoader())
@@ -625,16 +487,10 @@ class ModuleReprTests:
         self.assertEqual(modrepr, '<module {!r}>'.format('spam'))
 
 
-class Frozen_ModuleReprTests(ModuleReprTests, unittest.TestCase):
-    bootstrap = frozen_bootstrap
-    machinery = frozen_machinery
-    util = frozen_util
-
-
-class Source_ModuleReprTests(ModuleReprTests, unittest.TestCase):
-    bootstrap = source_bootstrap
-    machinery = source_machinery
-    util = source_util
+(Frozen_ModuleReprTests,
+ Source_ModuleReprTests
+ ) = test_util.test_both(ModuleReprTests, init=init, util=util,
+                         machinery=machinery)
 
 
 class FactoryTests:
@@ -787,13 +643,14 @@ class FactoryTests:
     # spec_from_file_location()
 
     def test_spec_from_file_location_default(self):
-        if self.machinery is source_machinery:
-            raise unittest.SkipTest('not sure why this is breaking...')
         spec = self.util.spec_from_file_location(self.name, self.path)
 
         self.assertEqual(spec.name, self.name)
+        # Need to use a circuitous route to get at importlib.machinery to make
+        # sure the same class object is used in the isinstance() check as
+        # would have been used to create the loader.
         self.assertIsInstance(spec.loader,
-                              self.machinery.SourceFileLoader)
+                              self.util.abc.machinery.SourceFileLoader)
         self.assertEqual(spec.loader.name, self.name)
         self.assertEqual(spec.loader.path, self.path)
         self.assertEqual(spec.origin, self.path)
@@ -947,11 +804,10 @@ class FactoryTests:
         self.assertTrue(spec.has_location)
 
 
-class Frozen_FactoryTests(FactoryTests, unittest.TestCase):
-    util = frozen_util
-    machinery = frozen_machinery
+(Frozen_FactoryTests,
+ Source_FactoryTests
+ ) = test_util.test_both(FactoryTests, util=util, machinery=machinery)
 
 
-class Source_FactoryTests(FactoryTests, unittest.TestCase):
-    util = source_util
-    machinery = source_machinery
+if __name__ == '__main__':
+    unittest.main()
diff --git a/Lib/test/test_importlib/test_util.py b/Lib/test/test_importlib/test_util.py
index b2823c6..69466b2 100644
--- a/Lib/test/test_importlib/test_util.py
+++ b/Lib/test/test_importlib/test_util.py
@@ -1,10 +1,11 @@
-from importlib import util
-from . import util as test_util
-frozen_init, source_init = test_util.import_importlib('importlib')
-frozen_machinery, source_machinery = test_util.import_importlib('importlib.machinery')
-frozen_util, source_util = test_util.import_importlib('importlib.util')
+from . import util
+abc = util.import_importlib('importlib.abc')
+init = util.import_importlib('importlib')
+machinery = util.import_importlib('importlib.machinery')
+importlib_util = util.import_importlib('importlib.util')
 
 import os
+import string
 import sys
 from test import support
 import types
@@ -32,8 +33,94 @@ class DecodeSourceBytesTests:
         self.assertEqual(self.util.decode_source(source_bytes),
                          '\n'.join([self.source, self.source]))
 
-Frozen_DecodeSourceBytesTests, Source_DecodeSourceBytesTests = test_util.test_both(
-        DecodeSourceBytesTests, util=[frozen_util, source_util])
+
+(Frozen_DecodeSourceBytesTests,
+ Source_DecodeSourceBytesTests
+ ) = util.test_both(DecodeSourceBytesTests, util=importlib_util)
+
+
+class ModuleFromSpecTests:
+
+    def test_no_create_module(self):
+        class Loader:
+            def exec_module(self, module):
+                pass
+        spec = self.machinery.ModuleSpec('test', Loader())
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter('always')
+            module = self.util.module_from_spec(spec)
+        self.assertEqual(1, len(w))
+        self.assertTrue(issubclass(w[0].category, DeprecationWarning))
+        self.assertIn('create_module', str(w[0].message))
+        self.assertIsInstance(module, types.ModuleType)
+        self.assertEqual(module.__name__, spec.name)
+
+    def test_create_module_returns_None(self):
+        class Loader(self.abc.Loader):
+            def create_module(self, spec):
+                return None
+        spec = self.machinery.ModuleSpec('test', Loader())
+        module = self.util.module_from_spec(spec)
+        self.assertIsInstance(module, types.ModuleType)
+        self.assertEqual(module.__name__, spec.name)
+
+    def test_create_module(self):
+        name = 'already set'
+        class CustomModule(types.ModuleType):
+            pass
+        class Loader(self.abc.Loader):
+            def create_module(self, spec):
+                module = CustomModule(spec.name)
+                module.__name__ = name
+                return module
+        spec = self.machinery.ModuleSpec('test', Loader())
+        module = self.util.module_from_spec(spec)
+        self.assertIsInstance(module, CustomModule)
+        self.assertEqual(module.__name__, name)
+
+    def test___name__(self):
+        spec = self.machinery.ModuleSpec('test', object())
+        module = self.util.module_from_spec(spec)
+        self.assertEqual(module.__name__, spec.name)
+
+    def test___spec__(self):
+        spec = self.machinery.ModuleSpec('test', object())
+        module = self.util.module_from_spec(spec)
+        self.assertEqual(module.__spec__, spec)
+
+    def test___loader__(self):
+        loader = object()
+        spec = self.machinery.ModuleSpec('test', loader)
+        module = self.util.module_from_spec(spec)
+        self.assertIs(module.__loader__, loader)
+
+    def test___package__(self):
+        spec = self.machinery.ModuleSpec('test.pkg', object())
+        module = self.util.module_from_spec(spec)
+        self.assertEqual(module.__package__, spec.parent)
+
+    def test___path__(self):
+        spec = self.machinery.ModuleSpec('test', object(), is_package=True)
+        module = self.util.module_from_spec(spec)
+        self.assertEqual(module.__path__, spec.submodule_search_locations)
+
+    def test___file__(self):
+        spec = self.machinery.ModuleSpec('test', object(), origin='some/path')
+        spec.has_location = True
+        module = self.util.module_from_spec(spec)
+        self.assertEqual(module.__file__, spec.origin)
+
+    def test___cached__(self):
+        spec = self.machinery.ModuleSpec('test', object())
+        spec.cached = 'some/path'
+        spec.has_location = True
+        module = self.util.module_from_spec(spec)
+        self.assertEqual(module.__cached__, spec.cached)
+
+(Frozen_ModuleFromSpecTests,
+ Source_ModuleFromSpecTests
+) = util.test_both(ModuleFromSpecTests, abc=abc, machinery=machinery,
+                   util=importlib_util)
 
 
 class ModuleForLoaderTests:
@@ -70,7 +157,7 @@ class ModuleForLoaderTests:
         # Test that when no module exists in sys.modules a new module is
         # created.
         module_name = 'a.b.c'
-        with test_util.uncache(module_name):
+        with util.uncache(module_name):
             module = self.return_module(module_name)
             self.assertIn(module_name, sys.modules)
         self.assertIsInstance(module, types.ModuleType)
@@ -88,7 +175,7 @@ class ModuleForLoaderTests:
         module = types.ModuleType('a.b.c')
         module.__loader__ = 42
         module.__package__ = 42
-        with test_util.uncache(name):
+        with util.uncache(name):
             sys.modules[name] = module
             loader = FakeLoader()
             returned_module = loader.load_module(name)
@@ -100,7 +187,7 @@ class ModuleForLoaderTests:
         # Test that a module is removed from sys.modules if added but an
         # exception is raised.
         name = 'a.b.c'
-        with test_util.uncache(name):
+        with util.uncache(name):
             self.raise_exception(name)
             self.assertNotIn(name, sys.modules)
 
@@ -108,7 +195,7 @@ class ModuleForLoaderTests:
         # Test that a failure on reload leaves the module in-place.
         name = 'a.b.c'
         module = types.ModuleType(name)
-        with test_util.uncache(name):
+        with util.uncache(name):
             sys.modules[name] = module
             self.raise_exception(name)
             self.assertIs(module, sys.modules[name])
@@ -127,7 +214,7 @@ class ModuleForLoaderTests:
 
         name = 'mod'
         module = FalseModule(name)
-        with test_util.uncache(name):
+        with util.uncache(name):
             self.assertFalse(module)
             sys.modules[name] = module
             given = self.return_module(name)
@@ -146,7 +233,7 @@ class ModuleForLoaderTests:
                 return module
 
         name = 'pkg.mod'
-        with test_util.uncache(name):
+        with util.uncache(name):
             loader = FakeLoader(False)
             module = loader.load_module(name)
             self.assertEqual(module.__name__, name)
@@ -154,15 +241,17 @@ class ModuleForLoaderTests:
             self.assertEqual(module.__package__, 'pkg')
 
         name = 'pkg.sub'
-        with test_util.uncache(name):
+        with util.uncache(name):
             loader = FakeLoader(True)
             module = loader.load_module(name)
             self.assertEqual(module.__name__, name)
             self.assertIs(module.__loader__, loader)
             self.assertEqual(module.__package__, name)
 
-Frozen_ModuleForLoaderTests, Source_ModuleForLoaderTests = test_util.test_both(
-        ModuleForLoaderTests, util=[frozen_util, source_util])
+
+(Frozen_ModuleForLoaderTests,
+ Source_ModuleForLoaderTests
+ ) = util.test_both(ModuleForLoaderTests, util=importlib_util)
 
 
 class SetPackageTests:
@@ -222,18 +311,25 @@ class SetPackageTests:
         self.assertEqual(wrapped.__name__, fxn.__name__)
         self.assertEqual(wrapped.__qualname__, fxn.__qualname__)
 
-Frozen_SetPackageTests, Source_SetPackageTests = test_util.test_both(
-        SetPackageTests, util=[frozen_util, source_util])
+
+(Frozen_SetPackageTests,
+ Source_SetPackageTests
+ ) = util.test_both(SetPackageTests, util=importlib_util)
 
 
 class SetLoaderTests:
 
     """Tests importlib.util.set_loader()."""
 
-    class DummyLoader:
-        @util.set_loader
-        def load_module(self, module):
-            return self.module
+    @property
+    def DummyLoader(self):
+        # Set DummyLoader on the class lazily.
+        class DummyLoader:
+            @self.util.set_loader
+            def load_module(self, module):
+                return self.module
+        self.__class__.DummyLoader = DummyLoader
+        return DummyLoader
 
     def test_no_attribute(self):
         loader = self.DummyLoader()
@@ -262,17 +358,10 @@ class SetLoaderTests:
             warnings.simplefilter('ignore', DeprecationWarning)
             self.assertEqual(42, loader.load_module('blah').__loader__)
 
-class Frozen_SetLoaderTests(SetLoaderTests, unittest.TestCase):
-    class DummyLoader:
-        @frozen_util.set_loader
-        def load_module(self, module):
-            return self.module
 
-class Source_SetLoaderTests(SetLoaderTests, unittest.TestCase):
-    class DummyLoader:
-        @source_util.set_loader
-        def load_module(self, module):
-            return self.module
+(Frozen_SetLoaderTests,
+ Source_SetLoaderTests
+ ) = util.test_both(SetLoaderTests, util=importlib_util)
 
 
 class ResolveNameTests:
@@ -307,9 +396,10 @@ class ResolveNameTests:
         with self.assertRaises(ValueError):
             self.util.resolve_name('..bacon', 'spam')
 
-Frozen_ResolveNameTests, Source_ResolveNameTests = test_util.test_both(
-        ResolveNameTests,
-        util=[frozen_util, source_util])
+
+(Frozen_ResolveNameTests,
+ Source_ResolveNameTests
+ ) = util.test_both(ResolveNameTests, util=importlib_util)
 
 
 class FindSpecTests:
@@ -320,7 +410,7 @@ class FindSpecTests:
 
     def test_sys_modules(self):
         name = 'some_mod'
-        with test_util.uncache(name):
+        with util.uncache(name):
             module = types.ModuleType(name)
             loader = 'a loader!'
             spec = self.machinery.ModuleSpec(name, loader)
@@ -332,7 +422,7 @@ class FindSpecTests:
 
     def test_sys_modules_without___loader__(self):
         name = 'some_mod'
-        with test_util.uncache(name):
+        with util.uncache(name):
             module = types.ModuleType(name)
             del module.__loader__
             loader = 'a loader!'
@@ -344,7 +434,7 @@ class FindSpecTests:
 
     def test_sys_modules_spec_is_None(self):
         name = 'some_mod'
-        with test_util.uncache(name):
+        with util.uncache(name):
             module = types.ModuleType(name)
             module.__spec__ = None
             sys.modules[name] = module
@@ -353,7 +443,7 @@ class FindSpecTests:
 
     def test_sys_modules_loader_is_None(self):
         name = 'some_mod'
-        with test_util.uncache(name):
+        with util.uncache(name):
             module = types.ModuleType(name)
             spec = self.machinery.ModuleSpec(name, None)
             module.__spec__ = spec
@@ -363,7 +453,7 @@ class FindSpecTests:
 
     def test_sys_modules_spec_is_not_set(self):
         name = 'some_mod'
-        with test_util.uncache(name):
+        with util.uncache(name):
             module = types.ModuleType(name)
             try:
                 del module.__spec__
@@ -375,20 +465,11 @@ class FindSpecTests:
 
     def test_success(self):
         name = 'some_mod'
-        with test_util.uncache(name):
-            with test_util.import_state(meta_path=[self.FakeMetaFinder]):
+        with util.uncache(name):
+            with util.import_state(meta_path=[self.FakeMetaFinder]):
                 self.assertEqual((name, None, None),
                                  self.util.find_spec(name))
 
-#    def test_success_path(self):
-#        # Searching on a path should work.
-#        name = 'some_mod'
-#        path = 'path to some place'
-#        with test_util.uncache(name):
-#            with test_util.import_state(meta_path=[self.FakeMetaFinder]):
-#                self.assertEqual((name, path, None),
-#                                 self.util.find_spec(name, path))
-
     def test_nothing(self):
         # None is returned upon failure to find a loader.
         self.assertIsNone(self.util.find_spec('nevergoingtofindthismodule'))
@@ -396,8 +477,8 @@ class FindSpecTests:
     def test_find_submodule(self):
         name = 'spam'
         subname = 'ham'
-        with test_util.temp_module(name, pkg=True) as pkg_dir:
-            fullname, _ = test_util.submodule(name, subname, pkg_dir)
+        with util.temp_module(name, pkg=True) as pkg_dir:
+            fullname, _ = util.submodule(name, subname, pkg_dir)
             spec = self.util.find_spec(fullname)
             self.assertIsNot(spec, None)
             self.assertIn(name, sorted(sys.modules))
@@ -409,9 +490,9 @@ class FindSpecTests:
     def test_find_submodule_parent_already_imported(self):
         name = 'spam'
         subname = 'ham'
-        with test_util.temp_module(name, pkg=True) as pkg_dir:
+        with util.temp_module(name, pkg=True) as pkg_dir:
             self.init.import_module(name)
-            fullname, _ = test_util.submodule(name, subname, pkg_dir)
+            fullname, _ = util.submodule(name, subname, pkg_dir)
             spec = self.util.find_spec(fullname)
             self.assertIsNot(spec, None)
             self.assertIn(name, sorted(sys.modules))
@@ -423,8 +504,8 @@ class FindSpecTests:
     def test_find_relative_module(self):
         name = 'spam'
         subname = 'ham'
-        with test_util.temp_module(name, pkg=True) as pkg_dir:
-            fullname, _ = test_util.submodule(name, subname, pkg_dir)
+        with util.temp_module(name, pkg=True) as pkg_dir:
+            fullname, _ = util.submodule(name, subname, pkg_dir)
             relname = '.' + subname
             spec = self.util.find_spec(relname, name)
             self.assertIsNot(spec, None)
@@ -437,8 +518,8 @@ class FindSpecTests:
     def test_find_relative_module_missing_package(self):
         name = 'spam'
         subname = 'ham'
-        with test_util.temp_module(name, pkg=True) as pkg_dir:
-            fullname, _ = test_util.submodule(name, subname, pkg_dir)
+        with util.temp_module(name, pkg=True) as pkg_dir:
+            fullname, _ = util.submodule(name, subname, pkg_dir)
             relname = '.' + subname
             with self.assertRaises(ValueError):
                 self.util.find_spec(relname)
@@ -446,15 +527,10 @@ class FindSpecTests:
             self.assertNotIn(fullname, sorted(sys.modules))
 
 
-class Frozen_FindSpecTests(FindSpecTests, unittest.TestCase):
-    init = frozen_init
-    machinery = frozen_machinery
-    util = frozen_util
-
-class Source_FindSpecTests(FindSpecTests, unittest.TestCase):
-    init = source_init
-    machinery = source_machinery
-    util = source_util
+(Frozen_FindSpecTests,
+ Source_FindSpecTests
+ ) = util.test_both(FindSpecTests, init=init, util=importlib_util,
+                         machinery=machinery)
 
 
 class MagicNumberTests:
@@ -467,8 +543,10 @@ class MagicNumberTests:
         # The magic number uses \r\n to come out wrong when splitting on lines.
         self.assertTrue(self.util.MAGIC_NUMBER.endswith(b'\r\n'))
 
-Frozen_MagicNumberTests, Source_MagicNumberTests = test_util.test_both(
-        MagicNumberTests, util=[frozen_util, source_util])
+
+(Frozen_MagicNumberTests,
+ Source_MagicNumberTests
+ ) = util.test_both(MagicNumberTests, util=importlib_util)
 
 
 class PEP3147Tests:
@@ -485,7 +563,8 @@ class PEP3147Tests:
         path = os.path.join('foo', 'bar', 'baz', 'qux.py')
         expect = os.path.join('foo', 'bar', 'baz', '__pycache__',
                               'qux.{}.pyc'.format(self.tag))
-        self.assertEqual(self.util.cache_from_source(path, True), expect)
+        self.assertEqual(self.util.cache_from_source(path, optimization=''),
+                         expect)
 
     def test_cache_from_source_no_cache_tag(self):
         # No cache tag means NotImplementedError.
@@ -498,43 +577,103 @@ class PEP3147Tests:
         path = os.path.join('foo.bar', 'file')
         expect = os.path.join('foo.bar', '__pycache__',
                               'file{}.pyc'.format(self.tag))
-        self.assertEqual(self.util.cache_from_source(path, True), expect)
+        self.assertEqual(self.util.cache_from_source(path, optimization=''),
+                         expect)
 
-    def test_cache_from_source_optimized(self):
-        # Given the path to a .py file, return the path to its PEP 3147
-        # defined .pyo file (i.e. under __pycache__).
+    def test_cache_from_source_debug_override(self):
+        # Given the path to a .py file, return the path to its PEP 3147/PEP 488
+        # defined .pyc file (i.e. under __pycache__).
         path = os.path.join('foo', 'bar', 'baz', 'qux.py')
-        expect = os.path.join('foo', 'bar', 'baz', '__pycache__',
-                              'qux.{}.pyo'.format(self.tag))
-        self.assertEqual(self.util.cache_from_source(path, False), expect)
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore')
+            self.assertEqual(self.util.cache_from_source(path, False),
+                             self.util.cache_from_source(path, optimization=1))
+            self.assertEqual(self.util.cache_from_source(path, True),
+                             self.util.cache_from_source(path, optimization=''))
+        with warnings.catch_warnings():
+            warnings.simplefilter('error')
+            with self.assertRaises(DeprecationWarning):
+                self.util.cache_from_source(path, False)
+            with self.assertRaises(DeprecationWarning):
+                self.util.cache_from_source(path, True)
 
     def test_cache_from_source_cwd(self):
         path = 'foo.py'
         expect = os.path.join('__pycache__', 'foo.{}.pyc'.format(self.tag))
-        self.assertEqual(self.util.cache_from_source(path, True), expect)
+        self.assertEqual(self.util.cache_from_source(path, optimization=''),
+                         expect)
 
     def test_cache_from_source_override(self):
         # When debug_override is not None, it can be any true-ish or false-ish
         # value.
         path = os.path.join('foo', 'bar', 'baz.py')
-        partial_expect = os.path.join('foo', 'bar', '__pycache__',
-                                      'baz.{}.py'.format(self.tag))
-        self.assertEqual(self.util.cache_from_source(path, []), partial_expect + 'o')
-        self.assertEqual(self.util.cache_from_source(path, [17]),
-                         partial_expect + 'c')
         # However if the bool-ishness can't be determined, the exception
         # propagates.
         class Bearish:
             def __bool__(self): raise RuntimeError
-        with self.assertRaises(RuntimeError):
-            self.util.cache_from_source('/foo/bar/baz.py', Bearish())
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore')
+            self.assertEqual(self.util.cache_from_source(path, []),
+                             self.util.cache_from_source(path, optimization=1))
+            self.assertEqual(self.util.cache_from_source(path, [17]),
+                             self.util.cache_from_source(path, optimization=''))
+            with self.assertRaises(RuntimeError):
+                self.util.cache_from_source('/foo/bar/baz.py', Bearish())
+
+
+    def test_cache_from_source_optimization_empty_string(self):
+        # Setting 'optimization' to '' leads to no optimization tag (PEP 488).
+        path = 'foo.py'
+        expect = os.path.join('__pycache__', 'foo.{}.pyc'.format(self.tag))
+        self.assertEqual(self.util.cache_from_source(path, optimization=''),
+                         expect)
+
+    def test_cache_from_source_optimization_None(self):
+        # Setting 'optimization' to None uses the interpreter's optimization.
+        # (PEP 488)
+        path = 'foo.py'
+        optimization_level = sys.flags.optimize
+        almost_expect = os.path.join('__pycache__', 'foo.{}'.format(self.tag))
+        if optimization_level == 0:
+            expect = almost_expect + '.pyc'
+        elif optimization_level <= 2:
+            expect = almost_expect + '.opt-{}.pyc'.format(optimization_level)
+        else:
+            msg = '{!r} is a non-standard optimization level'.format(optimization_level)
+            self.skipTest(msg)
+        self.assertEqual(self.util.cache_from_source(path, optimization=None),
+                         expect)
+
+    def test_cache_from_source_optimization_set(self):
+        # The 'optimization' parameter accepts anything that has a string repr
+        # that passes str.alnum().
+        path = 'foo.py'
+        valid_characters = string.ascii_letters + string.digits
+        almost_expect = os.path.join('__pycache__', 'foo.{}'.format(self.tag))
+        got = self.util.cache_from_source(path, optimization=valid_characters)
+        # Test all valid characters are accepted.
+        self.assertEqual(got,
+                         almost_expect + '.opt-{}.pyc'.format(valid_characters))
+        # str() should be called on argument.
+        self.assertEqual(self.util.cache_from_source(path, optimization=42),
+                         almost_expect + '.opt-42.pyc')
+        # Invalid characters raise ValueError.
+        with self.assertRaises(ValueError):
+            self.util.cache_from_source(path, optimization='path/is/bad')
+
+    def test_cache_from_source_debug_override_optimization_both_set(self):
+        # Can only set one of the optimization-related parameters.
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore')
+            with self.assertRaises(TypeError):
+                self.util.cache_from_source('foo.py', False, optimization='')
 
     @unittest.skipUnless(os.sep == '\\' and os.altsep == '/',
                      'test meaningful only where os.altsep is defined')
     def test_sep_altsep_and_sep_cache_from_source(self):
         # Windows path and PEP 3147 where sep is right of altsep.
         self.assertEqual(
-            self.util.cache_from_source('\\foo\\bar\\baz/qux.py', True),
+            self.util.cache_from_source('\\foo\\bar\\baz/qux.py', optimization=''),
             '\\foo\\bar\\baz\\__pycache__\\qux.{}.pyc'.format(self.tag))
 
     @unittest.skipUnless(sys.implementation.cache_tag is not None,
@@ -572,7 +711,12 @@ class PEP3147Tests:
             ValueError, self.util.source_from_cache, '__pycache__/foo.pyc')
 
     def test_source_from_cache_too_many_dots(self):
-        # Too many dots in final path component -> ValueError
+        with self.assertRaises(ValueError):
+            self.util.source_from_cache(
+                    '__pycache__/foo.cpython-32.opt-1.foo.pyc')
+
+    def test_source_from_cache_not_opt(self):
+        # Non-`opt-` path component -> ValueError
         self.assertRaises(
             ValueError, self.util.source_from_cache,
             '__pycache__/foo.cpython-32.foo.pyc')
@@ -583,9 +727,21 @@ class PEP3147Tests:
             ValueError, self.util.source_from_cache,
             '/foo/bar/foo.cpython-32.foo.pyc')
 
-Frozen_PEP3147Tests, Source_PEP3147Tests = test_util.test_both(
-        PEP3147Tests,
-        util=[frozen_util, source_util])
+    def test_source_from_cache_optimized_bytecode(self):
+        # Optimized bytecode is not an issue.
+        path = os.path.join('__pycache__', 'foo.{}.opt-1.pyc'.format(self.tag))
+        self.assertEqual(self.util.source_from_cache(path), 'foo.py')
+
+    def test_source_from_cache_missing_optimization(self):
+        # An empty optimization level is a no-no.
+        path = os.path.join('__pycache__', 'foo.{}.opt-.pyc'.format(self.tag))
+        with self.assertRaises(ValueError):
+            self.util.source_from_cache(path)
+
+
+(Frozen_PEP3147Tests,
+ Source_PEP3147Tests
+ ) = util.test_both(PEP3147Tests, util=importlib_util)
 
 
 if __name__ == '__main__':
diff --git a/Lib/test/test_importlib/test_windows.py b/Lib/test/test_importlib/test_windows.py
index 96b4adc..c893bcf 100644
--- a/Lib/test/test_importlib/test_windows.py
+++ b/Lib/test/test_importlib/test_windows.py
@@ -1,14 +1,64 @@
-from . import util
-frozen_machinery, source_machinery = util.import_importlib('importlib.machinery')
+from . import util as test_util
+machinery = test_util.import_importlib('importlib.machinery')
 
+import os
+import re
 import sys
 import unittest
+from test import support
+from distutils.util import get_platform
+from contextlib import contextmanager
+from .util import temp_module
+
+support.import_module('winreg', required_on=['win'])
+from winreg import (
+    CreateKey, HKEY_CURRENT_USER,
+    SetValue, REG_SZ, KEY_ALL_ACCESS,
+    EnumKey, CloseKey, DeleteKey, OpenKey
+)
+
+def delete_registry_tree(root, subkey):
+    try:
+        hkey = OpenKey(root, subkey, access=KEY_ALL_ACCESS)
+    except OSError:
+        # subkey does not exist
+        return
+    while True:
+        try:
+            subsubkey = EnumKey(hkey, 0)
+        except OSError:
+            # no more subkeys
+            break
+        delete_registry_tree(hkey, subsubkey)
+    CloseKey(hkey)
+    DeleteKey(root, subkey)
+
+@contextmanager
+def setup_module(machinery, name, path=None):
+    if machinery.WindowsRegistryFinder.DEBUG_BUILD:
+        root = machinery.WindowsRegistryFinder.REGISTRY_KEY_DEBUG
+    else:
+        root = machinery.WindowsRegistryFinder.REGISTRY_KEY
+    key = root.format(fullname=name,
+                      sys_version=sys.version[:3])
+    try:
+        with temp_module(name, "a = 1") as location:
+            subkey = CreateKey(HKEY_CURRENT_USER, key)
+            if path is None:
+                path = location + ".py"
+            SetValue(subkey, "", REG_SZ, path)
+            yield
+    finally:
+        if machinery.WindowsRegistryFinder.DEBUG_BUILD:
+            key = os.path.dirname(key)
+        delete_registry_tree(HKEY_CURRENT_USER, key)
 
 
 @unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows')
 class WindowsRegistryFinderTests:
-
-    # XXX Need a test that finds the spec via the registry.
+    # The module name is process-specific, allowing for
+    # simultaneous runs of the same test on a single machine.
+    test_module = "spamham{}".format(os.getpid())
 
     def test_find_spec_missing(self):
         spec = self.machinery.WindowsRegistryFinder.find_spec('spam')
@@ -18,12 +68,42 @@ class WindowsRegistryFinderTests:
         loader = self.machinery.WindowsRegistryFinder.find_module('spam')
         self.assertIs(loader, None)
 
+    def test_module_found(self):
+        with setup_module(self.machinery, self.test_module):
+            loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module)
+            spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module)
+            self.assertIsNot(loader, None)
+            self.assertIsNot(spec, None)
+
+    def test_module_not_found(self):
+        with setup_module(self.machinery, self.test_module, path="."):
+            loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module)
+            spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module)
+            self.assertIsNone(loader)
+            self.assertIsNone(spec)
+
+(Frozen_WindowsRegistryFinderTests,
+ Source_WindowsRegistryFinderTests
+ ) = test_util.test_both(WindowsRegistryFinderTests, machinery=machinery)
+
+@unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows')
+class WindowsExtensionSuffixTests:
+    def test_tagged_suffix(self):
+        suffixes = self.machinery.EXTENSION_SUFFIXES
+        expected_tag = ".cp{0.major}{0.minor}-{1}.pyd".format(sys.version_info,
+            re.sub('[^a-zA-Z0-9]', '_', get_platform()))
+        try:
+            untagged_i = suffixes.index(".pyd")
+        except ValueError:
+            untagged_i = suffixes.index("_d.pyd")
+            expected_tag = "_d" + expected_tag
 
-class Frozen_WindowsRegistryFinderTests(WindowsRegistryFinderTests,
-                                        unittest.TestCase):
-    machinery = frozen_machinery
+        self.assertIn(expected_tag, suffixes)
 
+        # Ensure the tags are in the correct order
+        tagged_i = suffixes.index(expected_tag)
+        self.assertLess(tagged_i, untagged_i)
 
-class Source_WindowsRegistryFinderTests(WindowsRegistryFinderTests,
-                                        unittest.TestCase):
-    machinery = source_machinery
+(Frozen_WindowsExtensionSuffixTests,
+ Source_WindowsExtensionSuffixTests
+ ) = test_util.test_both(WindowsExtensionSuffixTests, machinery=machinery)
diff --git a/Lib/test/test_importlib/util.py b/Lib/test/test_importlib/util.py
index 885cec3..aa4cd7e 100644
--- a/Lib/test/test_importlib/util.py
+++ b/Lib/test/test_importlib/util.py
@@ -1,31 +1,85 @@
-from contextlib import contextmanager
-from importlib import util, invalidate_caches
+import builtins
+import contextlib
+import errno
+import functools
+import importlib
+from importlib import machinery, util, invalidate_caches
+import os
 import os.path
 from test import support
 import unittest
 import sys
+import tempfile
 import types
 
 
+BUILTINS = types.SimpleNamespace()
+BUILTINS.good_name = None
+BUILTINS.bad_name = None
+if 'errno' in sys.builtin_module_names:
+    BUILTINS.good_name = 'errno'
+if 'importlib' not in sys.builtin_module_names:
+    BUILTINS.bad_name = 'importlib'
+
+EXTENSIONS = types.SimpleNamespace()
+EXTENSIONS.path = None
+EXTENSIONS.ext = None
+EXTENSIONS.filename = None
+EXTENSIONS.file_path = None
+EXTENSIONS.name = '_testcapi'
+
+def _extension_details():
+    global EXTENSIONS
+    for path in sys.path:
+        for ext in machinery.EXTENSION_SUFFIXES:
+            filename = EXTENSIONS.name + ext
+            file_path = os.path.join(path, filename)
+            if os.path.exists(file_path):
+                EXTENSIONS.path = path
+                EXTENSIONS.ext = ext
+                EXTENSIONS.filename = filename
+                EXTENSIONS.file_path = file_path
+                return
+
+_extension_details()
+
+
 def import_importlib(module_name):
     """Import a module from importlib both w/ and w/o _frozen_importlib."""
     fresh = ('importlib',) if '.' in module_name else ()
     frozen = support.import_fresh_module(module_name)
     source = support.import_fresh_module(module_name, fresh=fresh,
                                          blocked=('_frozen_importlib',))
+    return {'Frozen': frozen, 'Source': source}
+
+
+def specialize_class(cls, kind, base=None, **kwargs):
+    # XXX Support passing in submodule names--load (and cache) them?
+    # That would clean up the test modules a bit more.
+    if base is None:
+        base = unittest.TestCase
+    elif not isinstance(base, type):
+        base = base[kind]
+    name = '{}_{}'.format(kind, cls.__name__)
+    bases = (cls, base)
+    specialized = types.new_class(name, bases)
+    specialized.__module__ = cls.__module__
+    specialized._NAME = cls.__name__
+    specialized._KIND = kind
+    for attr, values in kwargs.items():
+        value = values[kind]
+        setattr(specialized, attr, value)
+    return specialized
+
+
+def split_frozen(cls, base=None, **kwargs):
+    frozen = specialize_class(cls, 'Frozen', base, **kwargs)
+    source = specialize_class(cls, 'Source', base, **kwargs)
     return frozen, source
 
 
-def test_both(test_class, **kwargs):
-    frozen_tests = types.new_class('Frozen_'+test_class.__name__,
-                                   (test_class, unittest.TestCase))
-    source_tests = types.new_class('Source_'+test_class.__name__,
-                                   (test_class, unittest.TestCase))
-    frozen_tests.__module__ = source_tests.__module__ = test_class.__module__
-    for attr, (frozen_value, source_value) in kwargs.items():
-        setattr(frozen_tests, attr, frozen_value)
-        setattr(source_tests, attr, source_value)
-    return frozen_tests, source_tests
+def test_both(test_class, base=None, **kwargs):
+    return split_frozen(test_class, base, **kwargs)
 
 
 CASE_INSENSITIVE_FS = True
@@ -38,6 +92,10 @@ if sys.platform not in ('win32', 'cygwin'):
     if not os.path.exists(changed_name):
         CASE_INSENSITIVE_FS = False
 
+source_importlib = import_importlib('importlib')['Source']
+__import__ = {'Frozen': staticmethod(builtins.__import__),
+              'Source': staticmethod(source_importlib.__import__)}
+
 
 def case_insensitive_tests(test):
     """Class decorator that nullifies tests requiring a case-insensitive
@@ -53,7 +111,7 @@ def submodule(parent, name, pkg_dir, content=''):
     return '{}.{}'.format(parent, name), path
 
 
-@contextmanager
+@contextlib.contextmanager
 def uncache(*names):
     """Uncache a module from sys.modules.
 
@@ -79,7 +137,7 @@ def uncache(*names):
                 pass
 
 
-@contextmanager
+@contextlib.contextmanager
 def temp_module(name, content='', *, pkg=False):
     conflicts = [n for n in sys.modules if n.partition('.')[0] == name]
     with support.temp_cwd(None) as cwd:
@@ -103,7 +161,7 @@ def temp_module(name, content='', *, pkg=False):
                 yield location
 
 
-@contextmanager
+@contextlib.contextmanager
 def import_state(**kwargs):
     """Context manager to manage the various importers and stored state in the
     sys module.
@@ -198,6 +256,7 @@ class mock_modules(_ImporterMock):
                     raise
             return self.modules[fullname]
 
+
 class mock_spec(_ImporterMock):
 
     """Importer mock using PEP 451 APIs."""
@@ -223,3 +282,99 @@ class mock_spec(_ImporterMock):
             self.module_code[module.__spec__.name]()
         except KeyError:
             pass
+
+
+def writes_bytecode_files(fxn):
+    """Decorator to protect sys.dont_write_bytecode from mutation and to skip
+    tests that require it to be set to False."""
+    if sys.dont_write_bytecode:
+        return lambda *args, **kwargs: None
+    @functools.wraps(fxn)
+    def wrapper(*args, **kwargs):
+        original = sys.dont_write_bytecode
+        sys.dont_write_bytecode = False
+        try:
+            to_return = fxn(*args, **kwargs)
+        finally:
+            sys.dont_write_bytecode = original
+        return to_return
+    return wrapper
+
+
+def ensure_bytecode_path(bytecode_path):
+    """Ensure that the __pycache__ directory for PEP 3147 pyc file exists.
+
+    :param bytecode_path: File system path to PEP 3147 pyc file.
+    """
+    try:
+        os.mkdir(os.path.dirname(bytecode_path))
+    except OSError as error:
+        if error.errno != errno.EEXIST:
+            raise
+
+
+@contextlib.contextmanager
+def create_modules(*names):
+    """Temporarily create each named module with an attribute (named 'attr')
+    that contains the name passed into the context manager that caused the
+    creation of the module.
+
+    All files are created in a temporary directory returned by
+    tempfile.mkdtemp(). This directory is inserted at the beginning of
+    sys.path. When the context manager exits all created files (source and
+    bytecode) are explicitly deleted.
+
+    No magic is performed when creating packages! This means that if you create
+    a module within a package you must also create the package's __init__ as
+    well.
+
+    """
+    source = 'attr = {0!r}'
+    created_paths = []
+    mapping = {}
+    state_manager = None
+    uncache_manager = None
+    try:
+        temp_dir = tempfile.mkdtemp()
+        mapping['.root'] = temp_dir
+        import_names = set()
+        for name in names:
+            if not name.endswith('__init__'):
+                import_name = name
+            else:
+                import_name = name[:-len('.__init__')]
+            import_names.add(import_name)
+            if import_name in sys.modules:
+                del sys.modules[import_name]
+            name_parts = name.split('.')
+            file_path = temp_dir
+            for directory in name_parts[:-1]:
+                file_path = os.path.join(file_path, directory)
+                if not os.path.exists(file_path):
+                    os.mkdir(file_path)
+                    created_paths.append(file_path)
+            file_path = os.path.join(file_path, name_parts[-1] + '.py')
+            with open(file_path, 'w') as file:
+                file.write(source.format(name))
+            created_paths.append(file_path)
+            mapping[name] = file_path
+        uncache_manager = uncache(*import_names)
+        uncache_manager.__enter__()
+        state_manager = import_state(path=[temp_dir])
+        state_manager.__enter__()
+        yield mapping
+    finally:
+        if state_manager is not None:
+            state_manager.__exit__(None, None, None)
+        if uncache_manager is not None:
+            uncache_manager.__exit__(None, None, None)
+        support.rmtree(temp_dir)
+
+
+def mock_path_hook(*entries, importer):
+    """A mock sys.path_hooks entry."""
+    def hook(entry):
+        if entry not in entries:
+            raise ImportError
+        return importer
+    return hook
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index a2bb9b6..9e1f546 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -1,3 +1,4 @@
+import builtins
 import collections
 import datetime
 import functools
@@ -8,6 +9,7 @@ import linecache
 import os
 from os.path import normcase
 import _pickle
+import pickle
 import re
 import shutil
 import sys
@@ -23,7 +25,7 @@ except ImportError:
     ThreadPoolExecutor = None
 
 from test.support import run_unittest, TESTFN, DirsOnSysPath, cpython_only
-from test.support import MISSING_C_DOCSTRINGS
+from test.support import MISSING_C_DOCSTRINGS, cpython_only
 from test.script_helper import assert_python_ok, assert_python_failure
 from test import inspect_fodder as mod
 from test import inspect_fodder2 as mod2
@@ -76,6 +78,7 @@ def generator_function_example(self):
     for i in range(2):
         yield i
 
+
 class TestPredicates(IsTestBase):
     def test_sixteen(self):
         count = len([x for x in dir(inspect) if x.startswith('is')])
@@ -182,6 +185,14 @@ class TestInterpreterStack(IsTestBase):
              (modfile, 43, 'argue', ['            spam(a, b, c)\n'], 0))
         self.assertEqual(revise(*mod.st[3][1:]),
              (modfile, 39, 'abuse', ['        self.argue(a, b, c)\n'], 0))
+        # Test named tuple fields
+        record = mod.st[0]
+        self.assertIs(record.frame, mod.fr)
+        self.assertEqual(record.lineno, 16)
+        self.assertEqual(record.filename, mod.__file__)
+        self.assertEqual(record.function, 'eggs')
+        self.assertIn('inspect.stack()', record.code_context[0])
+        self.assertEqual(record.index, 0)
 
     def test_trace(self):
         self.assertEqual(len(git.tr), 3)
@@ -281,6 +292,27 @@ class TestRetrievingSourceCode(GetSourceBase):
         self.assertEqual(inspect.getdoc(git.abuse),
                          'Another\n\ndocstring\n\ncontaining\n\ntabs')
 
+    @unittest.skipIf(sys.flags.optimize >= 2,
+                     "Docstrings are omitted with -O2 and above")
+    def test_getdoc_inherited(self):
+        self.assertEqual(inspect.getdoc(mod.FesteringGob),
+                         'A longer,\n\nindented\n\ndocstring.')
+        self.assertEqual(inspect.getdoc(mod.FesteringGob.abuse),
+                         'Another\n\ndocstring\n\ncontaining\n\ntabs')
+        self.assertEqual(inspect.getdoc(mod.FesteringGob().abuse),
+                         'Another\n\ndocstring\n\ncontaining\n\ntabs')
+        self.assertEqual(inspect.getdoc(mod.FesteringGob.contradiction),
+                         'The automatic gainsaying.')
+
+    @unittest.skipIf(MISSING_C_DOCSTRINGS, "test requires docstrings")
+    def test_finddoc(self):
+        finddoc = inspect._finddoc
+        self.assertEqual(finddoc(int), int.__doc__)
+        self.assertEqual(finddoc(int.to_bytes), int.to_bytes.__doc__)
+        self.assertEqual(finddoc(int().to_bytes), int.to_bytes.__doc__)
+        self.assertEqual(finddoc(int.from_bytes), int.from_bytes.__doc__)
+        self.assertEqual(finddoc(int.real), int.real.__doc__)
+
     def test_cleandoc(self):
         self.assertEqual(inspect.cleandoc('An\n    indented\n    docstring.'),
                          'An\nindented\ndocstring.')
@@ -305,7 +337,7 @@ class TestRetrievingSourceCode(GetSourceBase):
 
     def test_getsource(self):
         self.assertSourceEqual(git.abuse, 29, 39)
-        self.assertSourceEqual(mod.StupidGit, 21, 46)
+        self.assertSourceEqual(mod.StupidGit, 21, 50)
 
     def test_getsourcefile(self):
         self.assertEqual(normcase(inspect.getsourcefile(mod.spam)), modfile)
@@ -360,6 +392,9 @@ class TestRetrievingSourceCode(GetSourceBase):
         finally:
             linecache.getlines = getlines
 
+    def test_getsource_on_code_object(self):
+        self.assertSourceEqual(mod.eggs.__code__, 12, 18)
+
 class TestDecorators(GetSourceBase):
     fodderModule = mod2
 
@@ -369,6 +404,12 @@ class TestDecorators(GetSourceBase):
     def test_replacing_decorator(self):
         self.assertSourceEqual(mod2.gone, 9, 10)
 
+    def test_getsource_unwrap(self):
+        self.assertSourceEqual(mod2.real, 130, 132)
+
+    def test_decorator_with_lambda(self):
+        self.assertSourceEqual(mod2.func114, 113, 115)
+
 class TestOneliners(GetSourceBase):
     fodderModule = mod2
     def test_oneline_lambda(self):
@@ -462,6 +503,9 @@ class TestBuggyCases(GetSourceBase):
             self.assertRaises(IOError, inspect.findsource, co)
             self.assertRaises(IOError, inspect.getsource, co)
 
+    def test_getsource_on_method(self):
+        self.assertSourceEqual(mod2.ClassWithMethod.method, 118, 119)
+
 class TestNoEOL(GetSourceBase):
     def __init__(self, *args, **kwargs):
         self.tempdir = TESTFN + '_dir'
@@ -1615,6 +1659,18 @@ class TestGetGeneratorState(unittest.TestCase):
         self.assertRaises(TypeError, inspect.getgeneratorlocals, (2,3))
 
 
+class MySignature(inspect.Signature):
+    # Top-level to make it picklable;
+    # used in test_signature_object_pickle
+    pass
+
+class MyParameter(inspect.Parameter):
+    # Top-level to make it picklable;
+    # used in test_signature_object_pickle
+    pass
+
+
+
 class TestSignatureObject(unittest.TestCase):
     @staticmethod
     def signature(func):
@@ -1672,6 +1728,37 @@ class TestSignatureObject(unittest.TestCase):
         with self.assertRaisesRegex(ValueError, 'follows default argument'):
             S((pkd, pk))
 
+        self.assertTrue(repr(sig).startswith('<Signature'))
+        self.assertTrue('"(po, pk' in repr(sig))
+
+    def test_signature_object_pickle(self):
+        def foo(a, b, *, c:1={}, **kw) -> {42:'ham'}: pass
+        foo_partial = functools.partial(foo, a=1)
+
+        sig = inspect.signature(foo_partial)
+
+        for ver in range(pickle.HIGHEST_PROTOCOL + 1):
+            with self.subTest(pickle_ver=ver, subclass=False):
+                sig_pickled = pickle.loads(pickle.dumps(sig, ver))
+                self.assertEqual(sig, sig_pickled)
+
+        # Test that basic sub-classing works
+        sig = inspect.signature(foo)
+        myparam = MyParameter(name='z', kind=inspect.Parameter.POSITIONAL_ONLY)
+        myparams = collections.OrderedDict(sig.parameters, a=myparam)
+        mysig = MySignature().replace(parameters=myparams.values(),
+                                      return_annotation=sig.return_annotation)
+        self.assertTrue(isinstance(mysig, MySignature))
+        self.assertTrue(isinstance(mysig.parameters['z'], MyParameter))
+
+        for ver in range(pickle.HIGHEST_PROTOCOL + 1):
+            with self.subTest(pickle_ver=ver, subclass=True):
+                sig_pickled = pickle.loads(pickle.dumps(mysig, ver))
+                self.assertEqual(mysig, sig_pickled)
+                self.assertTrue(isinstance(sig_pickled, MySignature))
+                self.assertTrue(isinstance(sig_pickled.parameters['z'],
+                                           MyParameter))
+
     def test_signature_immutability(self):
         def test(a):
             pass
@@ -1786,6 +1873,8 @@ class TestSignatureObject(unittest.TestCase):
         test_unbound_method(dict.__delitem__)
         test_unbound_method(property.__delete__)
 
+        # Regression test for issue #20586
+        test_callable(_testcapi.docstring_with_signature_but_no_doc)
 
     @cpython_only
     @unittest.skipIf(MISSING_C_DOCSTRINGS,
@@ -2435,49 +2524,91 @@ class TestSignatureObject(unittest.TestCase):
 
         def bar(a, *, b:int) -> float: pass
         self.assertEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def bar(a, *, b:int) -> int: pass
         self.assertNotEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def bar(a, *, b:int): pass
         self.assertNotEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def bar(a, *, b:int=42) -> float: pass
         self.assertNotEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def bar(a, *, c) -> float: pass
         self.assertNotEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def bar(a, b:int) -> float: pass
         self.assertNotEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
         def spam(b:int, a) -> float: pass
         self.assertNotEqual(inspect.signature(spam), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(spam)), hash(inspect.signature(bar)))
 
         def foo(*, a, b, c): pass
         def bar(*, c, b, a): pass
         self.assertEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def foo(*, a=1, b, c): pass
         def bar(*, c, b, a=1): pass
         self.assertEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def foo(pos, *, a=1, b, c): pass
         def bar(pos, *, c, b, a=1): pass
         self.assertEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def foo(pos, *, a, b, c): pass
         def bar(pos, *, c, b, a=1): pass
         self.assertNotEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertNotEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
 
         def foo(pos, *args, a=42, b, c, **kwargs:int): pass
         def bar(pos, *args, c, b, a=42, **kwargs:int): pass
         self.assertEqual(inspect.signature(foo), inspect.signature(bar))
+        self.assertEqual(
+            hash(inspect.signature(foo)), hash(inspect.signature(bar)))
+
+    def test_signature_hashable(self):
+        S = inspect.Signature
+        P = inspect.Parameter
 
-    def test_signature_unhashable(self):
         def foo(a): pass
-        sig = inspect.signature(foo)
+        foo_sig = inspect.signature(foo)
+
+        manual_sig = S(parameters=[P('a', P.POSITIONAL_OR_KEYWORD)])
+
+        self.assertEqual(hash(foo_sig), hash(manual_sig))
+        self.assertNotEqual(hash(foo_sig),
+                            hash(manual_sig.replace(return_annotation='spam')))
+
+        def bar(a) -> 1: pass
+        self.assertNotEqual(hash(foo_sig), hash(inspect.signature(bar)))
+
+        def foo(a={}): pass
         with self.assertRaisesRegex(TypeError, 'unhashable type'):
-            hash(sig)
+            hash(inspect.signature(foo))
+
+        def foo(a) -> {}: pass
+        with self.assertRaisesRegex(TypeError, 'unhashable type'):
+            hash(inspect.signature(foo))
 
     def test_signature_str(self):
         def foo(a:int=1, *, b, c=None, **kwargs) -> 42:
@@ -2551,6 +2682,19 @@ class TestSignatureObject(unittest.TestCase):
         self.assertEqual(self.signature(Spam.foo),
                          self.signature(Ham.foo))
 
+    def test_signature_from_callable_python_obj(self):
+        class MySignature(inspect.Signature): pass
+        def foo(a, *, b:1): pass
+        foo_sig = MySignature.from_callable(foo)
+        self.assertTrue(isinstance(foo_sig, MySignature))
+
+    @unittest.skipIf(MISSING_C_DOCSTRINGS,
+                     "Signature information for builtins requires docstrings")
+    def test_signature_from_callable_builtin_obj(self):
+        class MySignature(inspect.Signature): pass
+        sig = MySignature.from_callable(_pickle.Pickler)
+        self.assertTrue(isinstance(sig, MySignature))
+
 
 class TestParameterObject(unittest.TestCase):
     def test_signature_parameter_kinds(self):
@@ -2596,6 +2740,16 @@ class TestParameterObject(unittest.TestCase):
             p.replace(kind=inspect.Parameter.VAR_POSITIONAL)
 
         self.assertTrue(repr(p).startswith('<Parameter'))
+        self.assertTrue('"a=42"' in repr(p))
+
+    def test_signature_parameter_hashable(self):
+        P = inspect.Parameter
+        foo = P('foo', kind=P.POSITIONAL_ONLY)
+        self.assertEqual(hash(foo), hash(P('foo', kind=P.POSITIONAL_ONLY)))
+        self.assertNotEqual(hash(foo), hash(P('foo', kind=P.POSITIONAL_ONLY,
+                                              default=42)))
+        self.assertNotEqual(hash(foo),
+                            hash(foo.replace(kind=P.VAR_POSITIONAL)))
 
     def test_signature_parameter_equality(self):
         P = inspect.Parameter
@@ -2607,13 +2761,6 @@ class TestParameterObject(unittest.TestCase):
         self.assertEqual(p, P('foo', default=42,
                               kind=inspect.Parameter.KEYWORD_ONLY))
 
-    def test_signature_parameter_unhashable(self):
-        p = inspect.Parameter('foo', default=42,
-                              kind=inspect.Parameter.KEYWORD_ONLY)
-
-        with self.assertRaisesRegex(TypeError, 'unhashable type'):
-            hash(p)
-
     def test_signature_parameter_replace(self):
         p = inspect.Parameter('foo', default=42,
                               kind=inspect.Parameter.KEYWORD_ONLY)
@@ -2922,6 +3069,16 @@ class TestBoundArguments(unittest.TestCase):
         ba4 = inspect.signature(bar).bind(1)
         self.assertNotEqual(ba, ba4)
 
+    def test_signature_bound_arguments_pickle(self):
+        def foo(a, b, *, c:1={}, **kw) -> {42:'ham'}: pass
+        sig = inspect.signature(foo)
+        ba = sig.bind(20, 30, z={})
+
+        for ver in range(pickle.HIGHEST_PROTOCOL + 1):
+            with self.subTest(pickle_ver=ver):
+                ba_pickled = pickle.loads(pickle.dumps(ba, ver))
+                self.assertEqual(ba, ba_pickled)
+
 
 class TestSignaturePrivateHelpers(unittest.TestCase):
     def test_signature_get_bound_param(self):
@@ -2986,6 +3143,61 @@ class TestSignaturePrivateHelpers(unittest.TestCase):
             None,
             None)
 
+class TestSignatureDefinitions(unittest.TestCase):
+    # This test case provides a home for checking that particular APIs
+    # have signatures available for introspection
+
+    @cpython_only
+    @unittest.skipIf(MISSING_C_DOCSTRINGS,
+                     "Signature information for builtins requires docstrings")
+    def test_builtins_have_signatures(self):
+        # This checks all builtin callables in CPython have signatures
+        # A few have signatures Signature can't yet handle, so we skip those
+        # since they will have to wait until PEP 457 adds the required
+        # introspection support to the inspect module
+        # Some others also haven't been converted yet for various other
+        # reasons, so we also skip those for the time being, but design
+        # the test to fail in order to indicate when it needs to be
+        # updated.
+        no_signature = set()
+        # These need PEP 457 groups
+        needs_groups = {"range", "slice", "dir", "getattr",
+                        "next", "iter", "vars"}
+        no_signature |= needs_groups
+        # These need PEP 457 groups or a signature change to accept None
+        needs_semantic_update = {"round"}
+        no_signature |= needs_semantic_update
+        # These need *args support in Argument Clinic
+        needs_varargs = {"min", "max", "print", "__build_class__"}
+        no_signature |= needs_varargs
+        # These simply weren't covered in the initial AC conversion
+        # for builtin callables
+        not_converted_yet = {"open", "__import__"}
+        no_signature |= not_converted_yet
+        # These builtin types are expected to provide introspection info
+        types_with_signatures = set()
+        # Check the signatures we expect to be there
+        ns = vars(builtins)
+        for name, obj in sorted(ns.items()):
+            if not callable(obj):
+                continue
+            # The builtin types haven't been converted to AC yet
+            if isinstance(obj, type) and (name not in types_with_signatures):
+                # Note that this also skips all the exception types
+                no_signature.add(name)
+            if (name in no_signature):
+                # Not yet converted
+                continue
+            with self.subTest(builtin=name):
+                self.assertIsNotNone(inspect.signature(obj))
+        # Check callables that haven't been converted don't claim a signature
+        # This ensures this test will start failing as more signatures are
+        # added, so the affected items can be moved into the scope of the
+        # regression test above
+        for name in no_signature:
+            with self.subTest(builtin=name):
+                self.assertIsNone(obj.__text_signature__)
+
 
 class TestUnwrap(unittest.TestCase):
 
@@ -3127,8 +3339,9 @@ def test_main():
         TestGetcallargsFunctions, TestGetcallargsMethods,
         TestGetcallargsUnboundMethods, TestGetattrStatic, TestGetGeneratorState,
         TestNoEOL, TestSignatureObject, TestSignatureBind, TestParameterObject,
-        TestBoundArguments, TestSignaturePrivateHelpers, TestGetClosureVars,
-        TestUnwrap, TestMain, TestReload
+        TestBoundArguments, TestSignaturePrivateHelpers,
+        TestSignatureDefinitions,
+        TestGetClosureVars, TestUnwrap, TestMain, TestReload
     )
 
 if __name__ == "__main__":
diff --git a/Lib/test/test_int.py b/Lib/test/test_int.py
index e94602e..cb57f15 100644
--- a/Lib/test/test_int.py
+++ b/Lib/test/test_int.py
@@ -451,8 +451,5 @@ class IntTestCases(unittest.TestCase):
         check('123\ud800')
         check('123\ud800', 10)
 
-def test_main():
-    support.run_unittest(IntTestCases)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_int_literal.py b/Lib/test/test_int_literal.py
index 1d578a7..bf72571 100644
--- a/Lib/test/test_int_literal.py
+++ b/Lib/test/test_int_literal.py
@@ -4,7 +4,6 @@ This is complex because of changes due to PEP 237.
 """
 
 import unittest
-from test import support
 
 class TestHexOctBin(unittest.TestCase):
 
@@ -140,8 +139,5 @@ class TestHexOctBin(unittest.TestCase):
         self.assertEqual(-0b1000000000000000000000000000000000000000000000000000000000000000, -9223372036854775808)
         self.assertEqual(-0b1111111111111111111111111111111111111111111111111111111111111111, -18446744073709551615)
 
-def test_main():
-    support.run_unittest(TestHexOctBin)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 2fb1b1e..5b7cfc9 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -44,10 +44,6 @@ try:
     import threading
 except ImportError:
     threading = None
-try:
-    import fcntl
-except ImportError:
-    fcntl = None
 
 def _default_chunk_size():
     """Get the default TextIOWrapper chunk size"""
@@ -367,8 +363,8 @@ class IOTest(unittest.TestCase):
 
     def test_open_handles_NUL_chars(self):
         fn_with_NUL = 'foo\0bar'
-        self.assertRaises(TypeError, self.open, fn_with_NUL, 'w')
-        self.assertRaises(TypeError, self.open, bytes(fn_with_NUL, 'ascii'), 'w')
+        self.assertRaises(ValueError, self.open, fn_with_NUL, 'w')
+        self.assertRaises(ValueError, self.open, bytes(fn_with_NUL, 'ascii'), 'w')
 
     def test_raw_file_io(self):
         with self.open(support.TESTFN, "wb", buffering=0) as f:
@@ -723,6 +719,21 @@ class PyIOTest(IOTest):
     pass
 
 
+@support.cpython_only
+class APIMismatchTest(unittest.TestCase):
+
+    @unittest.expectedFailure  # Test to be fixed by issue9858.
+    def test_RawIOBase_io_in_pyio_match(self):
+        """Test that pyio RawIOBase class has all c RawIOBase methods"""
+        mismatch = support.detect_api_mismatch(pyio.RawIOBase, io.RawIOBase)
+        self.assertEqual(mismatch, set(), msg='Python RawIOBase does not have all C RawIOBase methods')
+
+    def test_RawIOBase_pyio_in_io_match(self):
+        """Test that c RawIOBase class has all pyio RawIOBase methods"""
+        mismatch = support.detect_api_mismatch(io.RawIOBase, pyio.RawIOBase)
+        self.assertEqual(mismatch, set(), msg='C RawIOBase does not have all Python RawIOBase methods')
+
+
 class CommonBufferedTests:
     # Tests common to BufferedReader, BufferedWriter and BufferedRandom
 
@@ -811,7 +822,7 @@ class CommonBufferedTests:
     def test_repr(self):
         raw = self.MockRawIO()
         b = self.tp(raw)
-        clsname = "%s.%s" % (self.tp.__module__, self.tp.__name__)
+        clsname = "%s.%s" % (self.tp.__module__, self.tp.__qualname__)
         self.assertEqual(repr(b), "<%s>" % clsname)
         raw.name = "dummy"
         self.assertEqual(repr(b), "<%s name='dummy'>" % clsname)
@@ -985,6 +996,71 @@ class BufferedReaderTest(unittest.TestCase, CommonBufferedTests):
         self.assertEqual(bufio.readinto(b), 1)
         self.assertEqual(b, b"cb")
 
+    def test_readinto1(self):
+        buffer_size = 10
+        rawio = self.MockRawIO((b"abc", b"de", b"fgh", b"jkl"))
+        bufio = self.tp(rawio, buffer_size=buffer_size)
+        b = bytearray(2)
+        self.assertEqual(bufio.peek(3), b'abc')
+        self.assertEqual(rawio._reads, 1)
+        self.assertEqual(bufio.readinto1(b), 2)
+        self.assertEqual(b, b"ab")
+        self.assertEqual(rawio._reads, 1)
+        self.assertEqual(bufio.readinto1(b), 1)
+        self.assertEqual(b[:1], b"c")
+        self.assertEqual(rawio._reads, 1)
+        self.assertEqual(bufio.readinto1(b), 2)
+        self.assertEqual(b, b"de")
+        self.assertEqual(rawio._reads, 2)
+        b = bytearray(2*buffer_size)
+        self.assertEqual(bufio.peek(3), b'fgh')
+        self.assertEqual(rawio._reads, 3)
+        self.assertEqual(bufio.readinto1(b), 6)
+        self.assertEqual(b[:6], b"fghjkl")
+        self.assertEqual(rawio._reads, 4)
+
+    def test_readinto_array(self):
+        buffer_size = 60
+        data = b"a" * 26
+        rawio = self.MockRawIO((data,))
+        bufio = self.tp(rawio, buffer_size=buffer_size)
+
+        # Create an array with element size > 1 byte
+        b = array.array('i', b'x' * 32)
+        assert len(b) != 16
+
+        # Read into it. We should get as many *bytes* as we can fit into b
+        # (which is more than the number of elements)
+        n = bufio.readinto(b)
+        self.assertGreater(n, len(b))
+
+        # Check that old contents of b are preserved
+        bm = memoryview(b).cast('B')
+        self.assertLess(n, len(bm))
+        self.assertEqual(bm[:n], data[:n])
+        self.assertEqual(bm[n:], b'x' * (len(bm[n:])))
+
+    def test_readinto1_array(self):
+        buffer_size = 60
+        data = b"a" * 26
+        rawio = self.MockRawIO((data,))
+        bufio = self.tp(rawio, buffer_size=buffer_size)
+
+        # Create an array with element size > 1 byte
+        b = array.array('i', b'x' * 32)
+        assert len(b) != 16
+
+        # Read into it. We should get as many *bytes* as we can fit into b
+        # (which is more than the number of elements)
+        n = bufio.readinto1(b)
+        self.assertGreater(n, len(b))
+
+        # Check that old contents of b are preserved
+        bm = memoryview(b).cast('B')
+        self.assertLess(n, len(bm))
+        self.assertEqual(bm[:n], data[:n])
+        self.assertEqual(bm[n:], b'x' * (len(bm[n:])))
+
     def test_readlines(self):
         def bufio():
             rawio = self.MockRawIO((b"abc\n", b"d\n", b"ef"))
@@ -2905,6 +2981,17 @@ class TextIOWrapperTest(unittest.TestCase):
         self.assertFalse(err)
         self.assertEqual("ok", out.decode().strip())
 
+    def test_read_byteslike(self):
+        r = MemviewBytesIO(b'Just some random string\n')
+        t = self.TextIOWrapper(r, 'utf-8')
+
+        # TextIOwrapper will not read the full string, because
+        # we truncate it to a multiple of the native int size
+        # so that we can construct a more complex memoryview.
+        bytes_val =  _to_memoryview(r.getvalue()).tobytes()
+
+        self.assertEqual(t.read(200), bytes_val.decode('utf-8'))
+
     def test_issue22849(self):
         class F(object):
             def readable(self): return True
@@ -2921,6 +3008,25 @@ class TextIOWrapperTest(unittest.TestCase):
         t = self.TextIOWrapper(F(), encoding='utf-8')
 
 
+class MemviewBytesIO(io.BytesIO):
+    '''A BytesIO object whose read method returns memoryviews
+       rather than bytes'''
+
+    def read1(self, len_):
+        return _to_memoryview(super().read1(len_))
+
+    def read(self, len_):
+        return _to_memoryview(super().read(len_))
+
+def _to_memoryview(buf):
+    '''Convert bytes-object *buf* to a non-trivial memoryview'''
+
+    arr = array.array('i')
+    idx = len(buf) - len(buf) % arr.itemsize
+    arr.frombytes(buf[:idx])
+    return memoryview(arr)
+
+
 class CTextIOWrapperTest(TextIOWrapperTest):
     io = io
     shutdown_error = "RuntimeError: could not find io module state"
@@ -2929,8 +3035,6 @@ class CTextIOWrapperTest(TextIOWrapperTest):
         r = self.BytesIO(b"\xc3\xa9\n\n")
         b = self.BufferedReader(r, 1000)
         t = self.TextIOWrapper(b)
-        self.assertRaises(TypeError, t.__init__, b, newline=42)
-        self.assertRaises(ValueError, t.read)
         self.assertRaises(ValueError, t.__init__, b, newline='xyzzy')
         self.assertRaises(ValueError, t.read)
 
@@ -3167,6 +3271,8 @@ class MiscIOTest(unittest.TestCase):
                 self.assertRaises(ValueError, f.readall)
             if hasattr(f, "readinto"):
                 self.assertRaises(ValueError, f.readinto, bytearray(1024))
+            if hasattr(f, "readinto1"):
+                self.assertRaises(ValueError, f.readinto1, bytearray(1024))
             self.assertRaises(ValueError, f.readline)
             self.assertRaises(ValueError, f.readlines)
             self.assertRaises(ValueError, f.seek, 0)
@@ -3280,26 +3386,20 @@ class MiscIOTest(unittest.TestCase):
                 with self.open(support.TESTFN, **kwargs) as f:
                     self.assertRaises(TypeError, pickle.dumps, f, protocol)
 
-    @unittest.skipUnless(fcntl, 'fcntl required for this test')
     def test_nonblock_pipe_write_bigbuf(self):
         self._test_nonblock_pipe_write(16*1024)
 
-    @unittest.skipUnless(fcntl, 'fcntl required for this test')
     def test_nonblock_pipe_write_smallbuf(self):
         self._test_nonblock_pipe_write(1024)
 
-    def _set_non_blocking(self, fd):
-        flags = fcntl.fcntl(fd, fcntl.F_GETFL)
-        self.assertNotEqual(flags, -1)
-        res = fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK)
-        self.assertEqual(res, 0)
-
+    @unittest.skipUnless(hasattr(os, 'set_blocking'),
+                         'os.set_blocking() required for this test')
     def _test_nonblock_pipe_write(self, bufsize):
         sent = []
         received = []
         r, w = os.pipe()
-        self._set_non_blocking(r)
-        self._set_non_blocking(w)
+        os.set_blocking(r, False)
+        os.set_blocking(w, False)
 
         # To exercise all code paths in the C implementation we need
         # to play with buffer sizes.  For instance, if we choose a
@@ -3448,6 +3548,7 @@ class SignalsTest(unittest.TestCase):
         t.daemon = True
         r, w = os.pipe()
         fdopen_kwargs["closefd"] = False
+        large_data = item * (support.PIPE_MAX_SIZE // len(item) + 1)
         try:
             wio = self.io.open(w, **fdopen_kwargs)
             t.start()
@@ -3459,8 +3560,7 @@ class SignalsTest(unittest.TestCase):
             # handlers, which in this case will invoke alarm_interrupt().
             signal.alarm(1)
             try:
-                with self.assertRaises(ZeroDivisionError):
-                    wio.write(item * (support.PIPE_MAX_SIZE // len(item) + 1))
+                self.assertRaises(ZeroDivisionError, wio.write, large_data)
             finally:
                 signal.alarm(0)
                 t.join()
@@ -3561,11 +3661,13 @@ class SignalsTest(unittest.TestCase):
         returning a partial result or EINTR), properly invokes the signal
         handler and retries if the latter returned successfully."""
         select = support.import_module("select")
+
         # A quantity that exceeds the buffer size of an anonymous pipe's
         # write end.
         N = support.PIPE_MAX_SIZE
         r, w = os.pipe()
         fdopen_kwargs["closefd"] = False
+
         # We need a separate thread to read from the pipe and allow the
         # write() to finish.  This thread is started after the SIGALRM is
         # received (forcing a first EINTR in write()).
@@ -3588,6 +3690,8 @@ class SignalsTest(unittest.TestCase):
             signal.alarm(1)
         def alarm2(sig, frame):
             t.start()
+
+        large_data = item * N
         signal.signal(signal.SIGALRM, alarm1)
         try:
             wio = self.io.open(w, **fdopen_kwargs)
@@ -3597,7 +3701,9 @@ class SignalsTest(unittest.TestCase):
             #   and the first alarm)
             # - second raw write() returns EINTR (because of the second alarm)
             # - subsequent write()s are successful (either partial or complete)
-            self.assertEqual(N, wio.write(item * N))
+            written = wio.write(large_data)
+            self.assertEqual(N, written)
+
             wio.flush()
             write_finished = True
             t.join()
@@ -3637,7 +3743,7 @@ class PySignalsTest(SignalsTest):
 
 
 def load_tests(*args):
-    tests = (CIOTest, PyIOTest,
+    tests = (CIOTest, PyIOTest, APIMismatchTest,
              CBufferedReaderTest, PyBufferedReaderTest,
              CBufferedWriterTest, PyBufferedWriterTest,
              CBufferedRWPairTest, PyBufferedRWPairTest,
diff --git a/Lib/test/test_ioctl.py b/Lib/test/test_ioctl.py
index efe9f51..b82b651 100644
--- a/Lib/test/test_ioctl.py
+++ b/Lib/test/test_ioctl.py
@@ -1,6 +1,6 @@
 import array
 import unittest
-from test.support import run_unittest, import_module, get_attribute
+from test.support import import_module, get_attribute
 import os, struct
 fcntl = import_module('fcntl')
 termios = import_module('termios')
diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py
index bfb5699..c217d36 100644
--- a/Lib/test/test_ipaddress.py
+++ b/Lib/test/test_ipaddress.py
@@ -9,7 +9,9 @@ import re
 import contextlib
 import functools
 import operator
+import pickle
 import ipaddress
+import weakref
 
 
 class BaseTestCase(unittest.TestCase):
@@ -83,6 +85,13 @@ class CommonTestMixin:
         self.assertRaises(TypeError, hex, self.factory(1))
         self.assertRaises(TypeError, bytes, self.factory(1))
 
+    def pickle_test(self, addr):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            with self.subTest(proto=proto):
+                x = self.factory(addr)
+                y = pickle.loads(pickle.dumps(x, proto))
+                self.assertEqual(y, x)
+
 
 class CommonTestMixin_v4(CommonTestMixin):
 
@@ -248,6 +257,12 @@ class AddressTestCase_v4(BaseTestCase, CommonTestMixin_v4):
         assertBadOctet("257.0.0.0", 257)
         assertBadOctet("192.168.0.999", 999)
 
+    def test_pickle(self):
+        self.pickle_test('192.0.2.1')
+
+    def test_weakref(self):
+        weakref.ref(self.factory('192.0.2.1'))
+
 
 class AddressTestCase_v6(BaseTestCase, CommonTestMixin_v6):
     factory = ipaddress.IPv6Address
@@ -380,6 +395,12 @@ class AddressTestCase_v6(BaseTestCase, CommonTestMixin_v6):
         assertBadPart("02001:db8::", "02001")
         assertBadPart('2001:888888::1', "888888")
 
+    def test_pickle(self):
+        self.pickle_test('2001:db8::')
+
+    def test_weakref(self):
+        weakref.ref(self.factory('2001:db8::'))
+
 
 class NetmaskTestMixin_v4(CommonTestMixin_v4):
     """Input validation on interfaces and networks is very similar"""
@@ -443,6 +464,11 @@ class NetmaskTestMixin_v4(CommonTestMixin_v4):
         assertBadNetmask("1.1.1.1", "pudding")
         assertBadNetmask("1.1.1.1", "::")
 
+    def test_pickle(self):
+        self.pickle_test('192.0.2.0/27')
+        self.pickle_test('192.0.2.0/31')  # IPV4LENGTH - 1
+        self.pickle_test('192.0.2.0')     # IPV4LENGTH
+
 
 class InterfaceTestCase_v4(BaseTestCase, NetmaskTestMixin_v4):
     factory = ipaddress.IPv4Interface
@@ -501,6 +527,11 @@ class NetmaskTestMixin_v6(CommonTestMixin_v6):
         assertBadNetmask("::1", "pudding")
         assertBadNetmask("::", "::")
 
+    def test_pickle(self):
+        self.pickle_test('2001:db8::1000/124')
+        self.pickle_test('2001:db8::1000/127')  # IPV6LENGTH - 1
+        self.pickle_test('2001:db8::1000')      # IPV6LENGTH
+
 
 class InterfaceTestCase_v6(BaseTestCase, NetmaskTestMixin_v6):
     factory = ipaddress.IPv6Interface
@@ -670,6 +701,119 @@ class IpaddrUnitTest(unittest.TestCase):
         self.assertEqual("IPv6Interface('::1/128')",
                          repr(ipaddress.IPv6Interface('::1')))
 
+    # issue #16531: constructing IPv4Network from a (address, mask) tuple
+    def testIPv4Tuple(self):
+        # /32
+        ip = ipaddress.IPv4Address('192.0.2.1')
+        net = ipaddress.IPv4Network('192.0.2.1/32')
+        self.assertEqual(ipaddress.IPv4Network(('192.0.2.1', 32)), net)
+        self.assertEqual(ipaddress.IPv4Network((ip, 32)), net)
+        self.assertEqual(ipaddress.IPv4Network((3221225985, 32)), net)
+        self.assertEqual(ipaddress.IPv4Network(('192.0.2.1',
+                                                '255.255.255.255')), net)
+        self.assertEqual(ipaddress.IPv4Network((ip,
+                                                '255.255.255.255')), net)
+        self.assertEqual(ipaddress.IPv4Network((3221225985,
+                                                '255.255.255.255')), net)
+        # strict=True and host bits set
+        with self.assertRaises(ValueError):
+            ipaddress.IPv4Network(('192.0.2.1', 24))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv4Network((ip, 24))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv4Network((3221225985, 24))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv4Network(('192.0.2.1', '255.255.255.0'))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv4Network((ip, '255.255.255.0'))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv4Network((3221225985, '255.255.255.0'))
+        # strict=False and host bits set
+        net = ipaddress.IPv4Network('192.0.2.0/24')
+        self.assertEqual(ipaddress.IPv4Network(('192.0.2.1', 24),
+                                               strict=False), net)
+        self.assertEqual(ipaddress.IPv4Network((ip, 24),
+                                               strict=False), net)
+        self.assertEqual(ipaddress.IPv4Network((3221225985, 24),
+                                               strict=False), net)
+        self.assertEqual(ipaddress.IPv4Network(('192.0.2.1',
+                                                '255.255.255.0'),
+                                               strict=False), net)
+        self.assertEqual(ipaddress.IPv4Network((ip,
+                                                '255.255.255.0'),
+                                               strict=False), net)
+        self.assertEqual(ipaddress.IPv4Network((3221225985,
+                                                '255.255.255.0'),
+                                               strict=False), net)
+
+        # /24
+        ip = ipaddress.IPv4Address('192.0.2.0')
+        net = ipaddress.IPv4Network('192.0.2.0/24')
+        self.assertEqual(ipaddress.IPv4Network(('192.0.2.0',
+                                                '255.255.255.0')), net)
+        self.assertEqual(ipaddress.IPv4Network((ip,
+                                                '255.255.255.0')), net)
+        self.assertEqual(ipaddress.IPv4Network((3221225984,
+                                                '255.255.255.0')), net)
+        self.assertEqual(ipaddress.IPv4Network(('192.0.2.0', 24)), net)
+        self.assertEqual(ipaddress.IPv4Network((ip, 24)), net)
+        self.assertEqual(ipaddress.IPv4Network((3221225984, 24)), net)
+
+        self.assertEqual(ipaddress.IPv4Interface(('192.0.2.1', 24)),
+                         ipaddress.IPv4Interface('192.0.2.1/24'))
+        self.assertEqual(ipaddress.IPv4Interface((3221225985, 24)),
+                         ipaddress.IPv4Interface('192.0.2.1/24'))
+
+    # issue #16531: constructing IPv6Network from a (address, mask) tuple
+    def testIPv6Tuple(self):
+        # /128
+        ip = ipaddress.IPv6Address('2001:db8::')
+        net = ipaddress.IPv6Network('2001:db8::/128')
+        self.assertEqual(ipaddress.IPv6Network(('2001:db8::', '128')),
+                         net)
+        self.assertEqual(ipaddress.IPv6Network(
+                (42540766411282592856903984951653826560, 128)),
+                         net)
+        self.assertEqual(ipaddress.IPv6Network((ip, '128')),
+                         net)
+        ip = ipaddress.IPv6Address('2001:db8::')
+        net = ipaddress.IPv6Network('2001:db8::/96')
+        self.assertEqual(ipaddress.IPv6Network(('2001:db8::', '96')),
+                         net)
+        self.assertEqual(ipaddress.IPv6Network(
+                (42540766411282592856903984951653826560, 96)),
+                         net)
+        self.assertEqual(ipaddress.IPv6Network((ip, '96')),
+                         net)
+
+        # strict=True and host bits set
+        ip = ipaddress.IPv6Address('2001:db8::1')
+        with self.assertRaises(ValueError):
+            ipaddress.IPv6Network(('2001:db8::1', 96))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv6Network((
+                42540766411282592856903984951653826561, 96))
+        with self.assertRaises(ValueError):
+            ipaddress.IPv6Network((ip, 96))
+        # strict=False and host bits set
+        net = ipaddress.IPv6Network('2001:db8::/96')
+        self.assertEqual(ipaddress.IPv6Network(('2001:db8::1', 96),
+                                               strict=False),
+                         net)
+        self.assertEqual(ipaddress.IPv6Network(
+                             (42540766411282592856903984951653826561, 96),
+                             strict=False),
+                         net)
+        self.assertEqual(ipaddress.IPv6Network((ip, 96), strict=False),
+                         net)
+
+        # /96
+        self.assertEqual(ipaddress.IPv6Interface(('2001:db8::1', '96')),
+                         ipaddress.IPv6Interface('2001:db8::1/96'))
+        self.assertEqual(ipaddress.IPv6Interface(
+                (42540766411282592856903984951653826561, '96')),
+                         ipaddress.IPv6Interface('2001:db8::1/96'))
+
     # issue57
     def testAddressIntMath(self):
         self.assertEqual(ipaddress.IPv4Address('1.1.1.1') + 255,
@@ -690,20 +834,18 @@ class IpaddrUnitTest(unittest.TestCase):
                           2 ** ipaddress.IPV6LENGTH)
 
     def testInternals(self):
-        first, last = ipaddress._find_address_range([
-            ipaddress.IPv4Address('10.10.10.10'),
-            ipaddress.IPv4Address('10.10.10.12')])
-        self.assertEqual(first, last)
+        ip1 = ipaddress.IPv4Address('10.10.10.10')
+        ip2 = ipaddress.IPv4Address('10.10.10.11')
+        ip3 = ipaddress.IPv4Address('10.10.10.12')
+        self.assertEqual(list(ipaddress._find_address_range([ip1])),
+                         [(ip1, ip1)])
+        self.assertEqual(list(ipaddress._find_address_range([ip1, ip3])),
+                         [(ip1, ip1), (ip3, ip3)])
+        self.assertEqual(list(ipaddress._find_address_range([ip1, ip2, ip3])),
+                         [(ip1, ip3)])
         self.assertEqual(128, ipaddress._count_righthand_zero_bits(0, 128))
         self.assertEqual("IPv4Network('1.2.3.0/24')", repr(self.ipv4_network))
 
-    def testMissingAddressVersion(self):
-        class Broken(ipaddress._BaseAddress):
-            pass
-        broken = Broken('127.0.0.1')
-        with self.assertRaisesRegex(NotImplementedError, "Broken.*version"):
-            broken.version
-
     def testMissingNetworkVersion(self):
         class Broken(ipaddress._BaseNetwork):
             pass
@@ -1635,6 +1777,14 @@ class IpaddrUnitTest(unittest.TestCase):
                          addr3.exploded)
         self.assertEqual('192.168.178.1', addr4.exploded)
 
+    def testReversePointer(self):
+        addr1 = ipaddress.IPv4Address('127.0.0.1')
+        addr2 = ipaddress.IPv6Address('2001:db8::1')
+        self.assertEqual('1.0.0.127.in-addr.arpa', addr1.reverse_pointer)
+        self.assertEqual('1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.' +
+                         'b.d.0.1.0.0.2.ip6.arpa',
+                         addr2.reverse_pointer)
+
     def testIntRepresentation(self):
         self.assertEqual(16909060, int(self.ipv4_address))
         self.assertEqual(42540616829182469433547762482097946625,
diff --git a/Lib/test/test_isinstance.py b/Lib/test/test_isinstance.py
index 7a6730e..e087ac0 100644
--- a/Lib/test/test_isinstance.py
+++ b/Lib/test/test_isinstance.py
@@ -3,7 +3,6 @@
 # testing of error conditions uncovered when using extension types.
 
 import unittest
-from test import support
 import sys
 
 
@@ -277,13 +276,5 @@ def blowstack(fxn, arg, compare_to):
         fxn(arg, tuple_arg)
 
 
-def test_main():
-    support.run_unittest(
-        TestIsInstanceExceptions,
-        TestIsSubclassExceptions,
-        TestIsInstanceIsSubclass
-    )
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 3aed779..fcd8869 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -1860,8 +1860,6 @@ class RegressionTests(unittest.TestCase):
             hist.append(3)
             yield 2
             hist.append(4)
-            if x:
-                raise StopIteration
 
         hist = []
         self.assertRaises(AssertionError, list, chain(gen1(), gen2(False)))
diff --git a/Lib/test/test_json/__init__.py b/Lib/test/test_json/__init__.py
index 2cf1032..0807e6f 100644
--- a/Lib/test/test_json/__init__.py
+++ b/Lib/test/test_json/__init__.py
@@ -9,12 +9,15 @@ from test import support
 # import json with and without accelerations
 cjson = support.import_fresh_module('json', fresh=['_json'])
 pyjson = support.import_fresh_module('json', blocked=['_json'])
+# JSONDecodeError is cached inside the _json module
+cjson.JSONDecodeError = cjson.decoder.JSONDecodeError = json.JSONDecodeError
 
 # create two base classes that will be used by the other tests
 class PyTest(unittest.TestCase):
     json = pyjson
     loads = staticmethod(pyjson.loads)
     dumps = staticmethod(pyjson.dumps)
+    JSONDecodeError = staticmethod(pyjson.JSONDecodeError)
 
 @unittest.skipUnless(cjson, 'requires _json')
 class CTest(unittest.TestCase):
@@ -22,6 +25,7 @@ class CTest(unittest.TestCase):
         json = cjson
         loads = staticmethod(cjson.loads)
         dumps = staticmethod(cjson.dumps)
+        JSONDecodeError = staticmethod(cjson.JSONDecodeError)
 
 # test PyTest and CTest checking if the functions come from the right module
 class TestPyTest(PyTest):
diff --git a/Lib/test/test_json/test_decode.py b/Lib/test/test_json/test_decode.py
index 591b2e2..cc83b45 100644
--- a/Lib/test/test_json/test_decode.py
+++ b/Lib/test/test_json/test_decode.py
@@ -63,12 +63,12 @@ class TestDecode:
     def test_extra_data(self):
         s = '[1, 2, 3]5'
         msg = 'Extra data'
-        self.assertRaisesRegex(ValueError, msg, self.loads, s)
+        self.assertRaisesRegex(self.JSONDecodeError, msg, self.loads, s)
 
     def test_invalid_escape(self):
         s = '["abc\\y"]'
         msg = 'escape'
-        self.assertRaisesRegex(ValueError, msg, self.loads, s)
+        self.assertRaisesRegex(self.JSONDecodeError, msg, self.loads, s)
 
     def test_invalid_input_type(self):
         msg = 'the JSON object must be str'
@@ -80,10 +80,10 @@ class TestDecode:
     def test_string_with_utf8_bom(self):
         # see #18958
         bom_json = "[1,2,3]".encode('utf-8-sig').decode('utf-8')
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaises(self.JSONDecodeError) as cm:
             self.loads(bom_json)
         self.assertIn('BOM', str(cm.exception))
-        with self.assertRaises(ValueError) as cm:
+        with self.assertRaises(self.JSONDecodeError) as cm:
             self.json.load(StringIO(bom_json))
         self.assertIn('BOM', str(cm.exception))
         # make sure that the BOM is not detected in the middle of a string
diff --git a/Lib/test/test_json/test_encode_basestring_ascii.py b/Lib/test/test_json/test_encode_basestring_ascii.py
index 2122da1..4bbc6c7 100644
--- a/Lib/test/test_json/test_encode_basestring_ascii.py
+++ b/Lib/test/test_json/test_encode_basestring_ascii.py
@@ -12,9 +12,6 @@ CASES = [
     (' s p a c e d ', '" s p a c e d "'),
     ('\U0001d120', '"\\ud834\\udd20"'),
     ('\u03b1\u03a9', '"\\u03b1\\u03a9"'),
-    ('\u03b1\u03a9', '"\\u03b1\\u03a9"'),
-    ('\u03b1\u03a9', '"\\u03b1\\u03a9"'),
-    ('\u03b1\u03a9', '"\\u03b1\\u03a9"'),
     ("`1~!@#$%^&*()_+-={':[,]}|;.</>?", '"`1~!@#$%^&*()_+-={\':[,]}|;.</>?"'),
     ('\x08\x0c\n\r\t', '"\\b\\f\\n\\r\\t"'),
     ('\u0123\u4567\u89ab\ucdef\uabcd\uef4a', '"\\u0123\\u4567\\u89ab\\ucdef\\uabcd\\uef4a"'),
diff --git a/Lib/test/test_json/test_fail.py b/Lib/test/test_json/test_fail.py
index 7caafdb..95ff5b8 100644
--- a/Lib/test/test_json/test_fail.py
+++ b/Lib/test/test_json/test_fail.py
@@ -87,7 +87,7 @@ class TestFail:
                 continue
             try:
                 self.loads(doc)
-            except ValueError:
+            except self.JSONDecodeError:
                 pass
             else:
                 self.fail("Expected failure for fail{0}.json: {1!r}".format(idx, doc))
@@ -124,10 +124,16 @@ class TestFail:
             ('"spam', 'Unterminated string starting at', 0),
         ]
         for data, msg, idx in test_cases:
-            self.assertRaisesRegex(ValueError,
-                r'^{0}: line 1 column {1} \(char {2}\)'.format(
-                    re.escape(msg), idx + 1, idx),
-                self.loads, data)
+            with self.assertRaises(self.JSONDecodeError) as cm:
+                self.loads(data)
+            err = cm.exception
+            self.assertEqual(err.msg, msg)
+            self.assertEqual(err.pos, idx)
+            self.assertEqual(err.lineno, 1)
+            self.assertEqual(err.colno, idx + 1)
+            self.assertEqual(str(err),
+                             '%s: line 1 column %d (char %d)' %
+                             (msg, idx + 1, idx))
 
     def test_unexpected_data(self):
         test_cases = [
@@ -154,10 +160,16 @@ class TestFail:
             ('{"spam":42,}', 'Expecting property name enclosed in double quotes', 11),
         ]
         for data, msg, idx in test_cases:
-            self.assertRaisesRegex(ValueError,
-                r'^{0}: line 1 column {1} \(char {2}\)'.format(
-                    re.escape(msg), idx + 1, idx),
-                self.loads, data)
+            with self.assertRaises(self.JSONDecodeError) as cm:
+                self.loads(data)
+            err = cm.exception
+            self.assertEqual(err.msg, msg)
+            self.assertEqual(err.pos, idx)
+            self.assertEqual(err.lineno, 1)
+            self.assertEqual(err.colno, idx + 1)
+            self.assertEqual(str(err),
+                             '%s: line 1 column %d (char %d)' %
+                             (msg, idx + 1, idx))
 
     def test_extra_data(self):
         test_cases = [
@@ -171,11 +183,16 @@ class TestFail:
             ('"spam",42', 'Extra data', 6),
         ]
         for data, msg, idx in test_cases:
-            self.assertRaisesRegex(ValueError,
-                r'^{0}: line 1 column {1} - line 1 column {2}'
-                r' \(char {3} - {4}\)'.format(
-                    re.escape(msg), idx + 1, len(data) + 1, idx, len(data)),
-                self.loads, data)
+            with self.assertRaises(self.JSONDecodeError) as cm:
+                self.loads(data)
+            err = cm.exception
+            self.assertEqual(err.msg, msg)
+            self.assertEqual(err.pos, idx)
+            self.assertEqual(err.lineno, 1)
+            self.assertEqual(err.colno, idx + 1)
+            self.assertEqual(str(err),
+                             '%s: line 1 column %d (char %d)' %
+                             (msg, idx + 1, idx))
 
     def test_linecol(self):
         test_cases = [
@@ -185,10 +202,16 @@ class TestFail:
             ('\n  \n\n     !', 4, 6, 10),
         ]
         for data, line, col, idx in test_cases:
-            self.assertRaisesRegex(ValueError,
-                r'^Expecting value: line {0} column {1}'
-                r' \(char {2}\)$'.format(line, col, idx),
-                self.loads, data)
+            with self.assertRaises(self.JSONDecodeError) as cm:
+                self.loads(data)
+            err = cm.exception
+            self.assertEqual(err.msg, 'Expecting value')
+            self.assertEqual(err.pos, idx)
+            self.assertEqual(err.lineno, line)
+            self.assertEqual(err.colno, col)
+            self.assertEqual(str(err),
+                             'Expecting value: line %s column %d (char %d)' %
+                             (line, col, idx))
 
 class TestPyFail(TestFail, PyTest): pass
 class TestCFail(TestFail, CTest): pass
diff --git a/Lib/test/test_json/test_scanstring.py b/Lib/test/test_json/test_scanstring.py
index 07f4358..2d3ee8a 100644
--- a/Lib/test/test_json/test_scanstring.py
+++ b/Lib/test/test_json/test_scanstring.py
@@ -129,7 +129,7 @@ class TestScanstring:
             '"\\ud834\\u0X20"',
         ]
         for s in bad_escapes:
-            with self.assertRaises(ValueError, msg=s):
+            with self.assertRaises(self.JSONDecodeError, msg=s):
                 scanstring(s, 1, True)
 
     def test_overflow(self):
diff --git a/Lib/test/test_json/test_tool.py b/Lib/test/test_json/test_tool.py
index 0c39e56..bd63e2b 100644
--- a/Lib/test/test_json/test_tool.py
+++ b/Lib/test/test_json/test_tool.py
@@ -6,6 +6,7 @@ import subprocess
 from test import support
 from test.script_helper import assert_python_ok
 
+
 class TestTool(unittest.TestCase):
     data = """
 
@@ -15,7 +16,7 @@ class TestTool(unittest.TestCase):
             :"yes"}  ]
            """
 
-    expect = textwrap.dedent("""\
+    expect_without_sort_keys = textwrap.dedent("""\
     [
         [
             "blorpie"
@@ -37,6 +38,28 @@ class TestTool(unittest.TestCase):
     ]
     """)
 
+    expect = textwrap.dedent("""\
+    [
+        [
+            "blorpie"
+        ],
+        [
+            "whoops"
+        ],
+        [],
+        "d-shtaeou",
+        "d-nthiouh",
+        "i-vhbjkhnth",
+        {
+            "nifty": 87
+        },
+        {
+            "morefield": false,
+            "field": "yes"
+        }
+    ]
+    """)
+
     def test_stdin_stdout(self):
         with subprocess.Popen(
                 (sys.executable, '-m', 'json.tool'),
@@ -55,6 +78,7 @@ class TestTool(unittest.TestCase):
     def test_infile_stdout(self):
         infile = self._create_infile()
         rc, out, err = assert_python_ok('-m', 'json.tool', infile)
+        self.assertEqual(rc, 0)
         self.assertEqual(out.splitlines(), self.expect.encode().splitlines())
         self.assertEqual(err, b'')
 
@@ -65,5 +89,20 @@ class TestTool(unittest.TestCase):
         self.addCleanup(os.remove, outfile)
         with open(outfile, "r") as fp:
             self.assertEqual(fp.read(), self.expect)
+        self.assertEqual(rc, 0)
         self.assertEqual(out, b'')
         self.assertEqual(err, b'')
+
+    def test_help_flag(self):
+        rc, out, err = assert_python_ok('-m', 'json.tool', '-h')
+        self.assertEqual(rc, 0)
+        self.assertTrue(out.startswith(b'usage: '))
+        self.assertEqual(err, b'')
+
+    def test_sort_keys_flag(self):
+        infile = self._create_infile()
+        rc, out, err = assert_python_ok('-m', 'json.tool', '--sort-keys', infile)
+        self.assertEqual(rc, 0)
+        self.assertEqual(out.splitlines(),
+                         self.expect_without_sort_keys.encode().splitlines())
+        self.assertEqual(err, b'')
diff --git a/Lib/test/test_keywordonlyarg.py b/Lib/test/test_keywordonlyarg.py
index 7f315d4..d82e33d 100644
--- a/Lib/test/test_keywordonlyarg.py
+++ b/Lib/test/test_keywordonlyarg.py
@@ -4,7 +4,6 @@ __author__ = "Jiwon Seo"
 __email__ = "seojiwon at gmail dot com"
 
 import unittest
-from test.support import run_unittest
 
 def posonly_sum(pos_arg1, *arg, **kwarg):
     return pos_arg1 + sum(arg) + sum(kwarg.values())
@@ -186,8 +185,5 @@ class KeywordOnlyArgTestCase(unittest.TestCase):
         self.assertEqual(str(err.exception), "name 'b' is not defined")
 
 
-def test_main():
-    run_unittest(KeywordOnlyArgTestCase)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_kqueue.py b/Lib/test/test_kqueue.py
index f79bd89..f822024 100644
--- a/Lib/test/test_kqueue.py
+++ b/Lib/test/test_kqueue.py
@@ -9,7 +9,6 @@ import sys
 import time
 import unittest
 
-from test import support
 if not hasattr(select, "kqueue"):
     raise unittest.SkipTest("test works only on BSD")
 
@@ -114,7 +113,7 @@ class TestKQueue(unittest.TestCase):
     def test_queue_event(self):
         serverSocket = socket.socket()
         serverSocket.bind(('127.0.0.1', 0))
-        serverSocket.listen(1)
+        serverSocket.listen()
         client = socket.socket()
         client.setblocking(False)
         try:
@@ -237,8 +236,5 @@ class TestKQueue(unittest.TestCase):
         self.assertEqual(os.get_inheritable(kqueue.fileno()), False)
 
 
-def test_main():
-    support.run_unittest(TestKQueue)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_linecache.py b/Lib/test/test_linecache.py
index 79157de..21ef738 100644
--- a/Lib/test/test_linecache.py
+++ b/Lib/test/test_linecache.py
@@ -7,6 +7,7 @@ from test import support
 
 
 FILENAME = linecache.__file__
+NONEXISTENT_FILENAME = FILENAME + '.missing'
 INVALID_NAME = '!@$)(!@#_1'
 EMPTY = ''
 TESTS = 'inspect_fodder inspect_fodder2 mapping_tests'
@@ -126,6 +127,48 @@ class LineCacheTests(unittest.TestCase):
                 self.assertEqual(line, getline(source_name, index + 1))
                 source_list.append(line)
 
+    def test_lazycache_no_globals(self):
+        lines = linecache.getlines(FILENAME)
+        linecache.clearcache()
+        self.assertEqual(False, linecache.lazycache(FILENAME, None))
+        self.assertEqual(lines, linecache.getlines(FILENAME))
+
+    def test_lazycache_smoke(self):
+        lines = linecache.getlines(NONEXISTENT_FILENAME, globals())
+        linecache.clearcache()
+        self.assertEqual(
+            True, linecache.lazycache(NONEXISTENT_FILENAME, globals()))
+        self.assertEqual(1, len(linecache.cache[NONEXISTENT_FILENAME]))
+        # Note here that we're looking up a non existant filename with no
+        # globals: this would error if the lazy value wasn't resolved.
+        self.assertEqual(lines, linecache.getlines(NONEXISTENT_FILENAME))
+
+    def test_lazycache_provide_after_failed_lookup(self):
+        linecache.clearcache()
+        lines = linecache.getlines(NONEXISTENT_FILENAME, globals())
+        linecache.clearcache()
+        linecache.getlines(NONEXISTENT_FILENAME)
+        linecache.lazycache(NONEXISTENT_FILENAME, globals())
+        self.assertEqual(lines, linecache.updatecache(NONEXISTENT_FILENAME))
+
+    def test_lazycache_check(self):
+        linecache.clearcache()
+        linecache.lazycache(NONEXISTENT_FILENAME, globals())
+        linecache.checkcache()
+
+    def test_lazycache_bad_filename(self):
+        linecache.clearcache()
+        self.assertEqual(False, linecache.lazycache('', globals()))
+        self.assertEqual(False, linecache.lazycache('<foo>', globals()))
+
+    def test_lazycache_already_cached(self):
+        linecache.clearcache()
+        lines = linecache.getlines(NONEXISTENT_FILENAME, globals())
+        self.assertEqual(
+            False,
+            linecache.lazycache(NONEXISTENT_FILENAME, globals()))
+        self.assertEqual(4, len(linecache.cache[NONEXISTENT_FILENAME]))
+
     def test_memoryerror(self):
         lines = linecache.getlines(FILENAME)
         self.assertTrue(lines)
diff --git a/Lib/test/test_list.py b/Lib/test/test_list.py
index 3b94700..ae1be6e 100644
--- a/Lib/test/test_list.py
+++ b/Lib/test/test_list.py
@@ -108,20 +108,5 @@ class ListTest(list_tests.CommonTest):
         with self.assertRaises(TypeError):
             (3,) + L([1,2])
 
-def test_main(verbose=None):
-    support.run_unittest(ListTest)
-
-    # verify reference counting
-    import sys
-    if verbose and hasattr(sys, "gettotalrefcount"):
-        import gc
-        counts = [None] * 5
-        for i in range(len(counts)):
-            support.run_unittest(ListTest)
-            gc.collect()
-            counts[i] = sys.gettotalrefcount()
-        print(counts)
-
-
 if __name__ == "__main__":
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_locale.py b/Lib/test/test_locale.py
index 9369a25..fae2c3d 100644
--- a/Lib/test/test_locale.py
+++ b/Lib/test/test_locale.py
@@ -524,5 +524,59 @@ class TestMiscellaneous(unittest.TestCase):
             locale.setlocale(locale.LC_ALL, (b'not', b'valid'))
 
 
+class BaseDelocalizeTest(BaseLocalizedTest):
+
+    def _test_delocalize(self, value, out):
+        self.assertEqual(locale.delocalize(value), out)
+
+    def _test_atof(self, value, out):
+        self.assertEqual(locale.atof(value), out)
+
+    def _test_atoi(self, value, out):
+        self.assertEqual(locale.atoi(value), out)
+
+
+class TestEnUSDelocalize(EnUSCookedTest, BaseDelocalizeTest):
+
+    def test_delocalize(self):
+        self._test_delocalize('50000.00', '50000.00')
+        self._test_delocalize('50,000.00', '50000.00')
+
+    def test_atof(self):
+        self._test_atof('50000.00', 50000.)
+        self._test_atof('50,000.00', 50000.)
+
+    def test_atoi(self):
+        self._test_atoi('50000', 50000)
+        self._test_atoi('50,000', 50000)
+
+
+class TestCDelocalizeTest(CCookedTest, BaseDelocalizeTest):
+
+    def test_delocalize(self):
+        self._test_delocalize('50000.00', '50000.00')
+
+    def test_atof(self):
+        self._test_atof('50000.00', 50000.)
+
+    def test_atoi(self):
+        self._test_atoi('50000', 50000)
+
+
+class TestfrFRDelocalizeTest(FrFRCookedTest, BaseDelocalizeTest):
+
+    def test_delocalize(self):
+        self._test_delocalize('50000,00', '50000.00')
+        self._test_delocalize('50 000,00', '50000.00')
+
+    def test_atof(self):
+        self._test_atof('50000,00', 50000.)
+        self._test_atof('50 000,00', 50000.)
+
+    def test_atoi(self):
+        self._test_atoi('50000', 50000)
+        self._test_atoi('50 000', 50000)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 8770e1b..c323a59 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -1,4 +1,4 @@
-# Copyright 2001-2013 by Vinay Sajip. All Rights Reserved.
+# Copyright 2001-2014 by Vinay Sajip. All Rights Reserved.
 #
 # Permission to use, copy, modify, and distribute this software and its
 # documentation for any purpose and without fee is hereby granted,
@@ -16,7 +16,7 @@
 
 """Test harness for the logging module. Run all tests.
 
-Copyright (C) 2001-2013 Vinay Sajip. All Rights Reserved.
+Copyright (C) 2001-2014 Vinay Sajip. All Rights Reserved.
 """
 
 import logging
@@ -34,14 +34,12 @@ import os
 import queue
 import random
 import re
-import select
 import socket
 import struct
 import sys
 import tempfile
 from test.script_helper import assert_python_ok
-from test.support import (captured_stdout, run_with_locale, run_unittest,
-                          patch, requires_zlib, TestHandler, Matcher, HOST)
+from test import support
 import textwrap
 import time
 import unittest
@@ -51,16 +49,12 @@ try:
     import threading
     # The following imports are needed only for tests which
     # require threading
-    import asynchat
     import asyncore
-    import errno
     from http.server import HTTPServer, BaseHTTPRequestHandler
     import smtpd
     from urllib.parse import urlparse, parse_qs
     from socketserver import (ThreadingUDPServer, DatagramRequestHandler,
-                              ThreadingTCPServer, StreamRequestHandler,
-                              ThreadingUnixStreamServer,
-                              ThreadingUnixDatagramServer)
+                              ThreadingTCPServer, StreamRequestHandler)
 except ImportError:
     threading = None
 try:
@@ -645,22 +639,23 @@ class StreamHandlerTest(BaseTest):
         h = TestStreamHandler(BadStream())
         r = logging.makeLogRecord({})
         old_raise = logging.raiseExceptions
-        old_stderr = sys.stderr
+
         try:
             h.handle(r)
             self.assertIs(h.error_record, r)
+
             h = logging.StreamHandler(BadStream())
-            sys.stderr = sio = io.StringIO()
-            h.handle(r)
-            self.assertIn('\nRuntimeError: deliberate mistake\n',
-                          sio.getvalue())
+            with support.captured_stderr() as stderr:
+                h.handle(r)
+                msg = '\nRuntimeError: deliberate mistake\n'
+                self.assertIn(msg, stderr.getvalue())
+
             logging.raiseExceptions = False
-            sys.stderr = sio = io.StringIO()
-            h.handle(r)
-            self.assertEqual('', sio.getvalue())
+            with support.captured_stderr() as stderr:
+                h.handle(r)
+                self.assertEqual('', stderr.getvalue())
         finally:
             logging.raiseExceptions = old_raise
-            sys.stderr = old_stderr
 
 # -- The following section could be moved into a server_helper.py module
 # -- if it proves to be of wider utility than just test_logging
@@ -688,7 +683,8 @@ if threading:
         """
 
         def __init__(self, addr, handler, poll_interval, sockmap):
-            smtpd.SMTPServer.__init__(self, addr, None, map=sockmap)
+            smtpd.SMTPServer.__init__(self, addr, None, map=sockmap,
+                                      decode_data=True)
             self.port = self.socket.getsockname()[1]
             self._handler = handler
             self._thread = None
@@ -930,10 +926,10 @@ class SMTPHandlerTest(BaseTest):
     TIMEOUT = 8.0
     def test_basic(self):
         sockmap = {}
-        server = TestSMTPServer((HOST, 0), self.process_message, 0.001,
+        server = TestSMTPServer((support.HOST, 0), self.process_message, 0.001,
                                 sockmap)
         server.start()
-        addr = (HOST, server.port)
+        addr = (support.HOST, server.port)
         h = logging.handlers.SMTPHandler(addr, 'me', 'you', 'Log',
                                          timeout=self.TIMEOUT)
         self.assertEqual(h.toaddrs, ['you'])
@@ -1249,7 +1245,7 @@ class ConfigFileTest(BaseTest):
 
     def test_config0_ok(self):
         # A simple config file which overrides the default settings.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config0)
             logger = logging.getLogger()
             # Won't output anything
@@ -1264,7 +1260,7 @@ class ConfigFileTest(BaseTest):
 
     def test_config0_using_cp_ok(self):
         # A simple config file which overrides the default settings.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             file = io.StringIO(textwrap.dedent(self.config0))
             cp = configparser.ConfigParser()
             cp.read_file(file)
@@ -1282,7 +1278,7 @@ class ConfigFileTest(BaseTest):
 
     def test_config1_ok(self, config=config1):
         # A config file defining a sub-parser as well.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(config)
             logger = logging.getLogger("compiler.parser")
             # Both will output a message
@@ -1305,7 +1301,7 @@ class ConfigFileTest(BaseTest):
 
     def test_config4_ok(self):
         # A config file specifying a custom formatter class.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config4)
             logger = logging.getLogger()
             try:
@@ -1325,7 +1321,7 @@ class ConfigFileTest(BaseTest):
         self.test_config1_ok(config=self.config6)
 
     def test_config7_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config1a)
             logger = logging.getLogger("compiler.parser")
             # See issue #11424. compiler-hyphenated sorts
@@ -1345,7 +1341,7 @@ class ConfigFileTest(BaseTest):
             ], stream=output)
             # Original logger output is empty.
             self.assert_log_lines([])
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config7)
             logger = logging.getLogger("compiler.parser")
             self.assertFalse(logger.disabled)
@@ -2492,7 +2488,7 @@ class ConfigDictTest(BaseTest):
 
     def test_config0_ok(self):
         # A simple config which overrides the default settings.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config0)
             logger = logging.getLogger()
             # Won't output anything
@@ -2507,7 +2503,7 @@ class ConfigDictTest(BaseTest):
 
     def test_config1_ok(self, config=config1):
         # A config defining a sub-parser as well.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(config)
             logger = logging.getLogger("compiler.parser")
             # Both will output a message
@@ -2538,7 +2534,7 @@ class ConfigDictTest(BaseTest):
 
     def test_config4_ok(self):
         # A config specifying a custom formatter class.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config4)
             #logger = logging.getLogger()
             try:
@@ -2553,7 +2549,7 @@ class ConfigDictTest(BaseTest):
 
     def test_config4a_ok(self):
         # A config specifying a custom formatter class.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config4a)
             #logger = logging.getLogger()
             try:
@@ -2573,7 +2569,7 @@ class ConfigDictTest(BaseTest):
         self.assertRaises(Exception, self.apply_config, self.config6)
 
     def test_config7_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config1)
             logger = logging.getLogger("compiler.parser")
             # Both will output a message
@@ -2585,7 +2581,7 @@ class ConfigDictTest(BaseTest):
             ], stream=output)
             # Original logger output is empty.
             self.assert_log_lines([])
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config7)
             logger = logging.getLogger("compiler.parser")
             self.assertTrue(logger.disabled)
@@ -2602,7 +2598,7 @@ class ConfigDictTest(BaseTest):
 
     #Same as test_config_7_ok but don't disable old loggers.
     def test_config_8_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config1)
             logger = logging.getLogger("compiler.parser")
             # All will output a message
@@ -2614,7 +2610,7 @@ class ConfigDictTest(BaseTest):
             ], stream=output)
             # Original logger output is empty.
             self.assert_log_lines([])
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config8)
             logger = logging.getLogger("compiler.parser")
             self.assertFalse(logger.disabled)
@@ -2635,7 +2631,7 @@ class ConfigDictTest(BaseTest):
             self.assert_log_lines([])
 
     def test_config_8a_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config1a)
             logger = logging.getLogger("compiler.parser")
             # See issue #11424. compiler-hyphenated sorts
@@ -2655,7 +2651,7 @@ class ConfigDictTest(BaseTest):
             ], stream=output)
             # Original logger output is empty.
             self.assert_log_lines([])
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config8a)
             logger = logging.getLogger("compiler.parser")
             self.assertFalse(logger.disabled)
@@ -2678,7 +2674,7 @@ class ConfigDictTest(BaseTest):
             self.assert_log_lines([])
 
     def test_config_9_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config9)
             logger = logging.getLogger("compiler.parser")
             #Nothing will be output since both handler and logger are set to WARNING
@@ -2696,7 +2692,7 @@ class ConfigDictTest(BaseTest):
             ], stream=output)
 
     def test_config_10_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config10)
             logger = logging.getLogger("compiler.parser")
             logger.warning(self.next_message())
@@ -2724,7 +2720,7 @@ class ConfigDictTest(BaseTest):
         self.assertRaises(Exception, self.apply_config, self.config13)
 
     def test_config14_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.apply_config(self.config14)
             h = logging._handlers['hand1']
             self.assertEqual(h.foo, 'bar')
@@ -2763,7 +2759,7 @@ class ConfigDictTest(BaseTest):
 
     @unittest.skipUnless(threading, 'Threading required for this test.')
     def test_listen_config_10_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.setup_via_listener(json.dumps(self.config10))
             logger = logging.getLogger("compiler.parser")
             logger.warning(self.next_message())
@@ -2783,7 +2779,7 @@ class ConfigDictTest(BaseTest):
 
     @unittest.skipUnless(threading, 'Threading required for this test.')
     def test_listen_config_1_ok(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.setup_via_listener(textwrap.dedent(ConfigFileTest.config1))
             logger = logging.getLogger("compiler.parser")
             # Both will output a message
@@ -2810,7 +2806,7 @@ class ConfigDictTest(BaseTest):
         # First, specify a verification function that will fail.
         # We expect to see no output, since our configuration
         # never took effect.
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.setup_via_listener(to_send, verify_fail)
             # Both will output a message
             logger.info(self.next_message())
@@ -2825,7 +2821,7 @@ class ConfigDictTest(BaseTest):
         # Now, perform no verification. Our configuration
         # should take effect.
 
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.setup_via_listener(to_send)    # no verify callable specified
             logger = logging.getLogger("compiler.parser")
             # Both will output a message
@@ -2843,7 +2839,7 @@ class ConfigDictTest(BaseTest):
 
         # Now, perform verification which transforms the bytes.
 
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             self.setup_via_listener(to_send[::-1], verify_reverse)
             logger = logging.getLogger("compiler.parser")
             # Both will output a message
@@ -2998,7 +2994,7 @@ class QueueHandlerTest(BaseTest):
     @unittest.skipUnless(hasattr(logging.handlers, 'QueueListener'),
                          'logging.handlers.QueueListener required for this test')
     def test_queue_listener(self):
-        handler = TestHandler(Matcher())
+        handler = support.TestHandler(support.Matcher())
         listener = logging.handlers.QueueListener(self.queue, handler)
         listener.start()
         try:
@@ -3010,6 +3006,25 @@ class QueueHandlerTest(BaseTest):
         self.assertTrue(handler.matches(levelno=logging.WARNING, message='1'))
         self.assertTrue(handler.matches(levelno=logging.ERROR, message='2'))
         self.assertTrue(handler.matches(levelno=logging.CRITICAL, message='3'))
+        handler.close()
+
+        # Now test with respect_handler_level set
+
+        handler = support.TestHandler(support.Matcher())
+        handler.setLevel(logging.CRITICAL)
+        listener = logging.handlers.QueueListener(self.queue, handler,
+                                                  respect_handler_level=True)
+        listener.start()
+        try:
+            self.que_logger.warning(self.next_message())
+            self.que_logger.error(self.next_message())
+            self.que_logger.critical(self.next_message())
+        finally:
+            listener.stop()
+        self.assertFalse(handler.matches(levelno=logging.WARNING, message='4'))
+        self.assertFalse(handler.matches(levelno=logging.ERROR, message='5'))
+        self.assertTrue(handler.matches(levelno=logging.CRITICAL, message='6'))
+
 
 ZERO = datetime.timedelta(0)
 
@@ -3166,32 +3181,35 @@ class LastResortTest(BaseTest):
         # Test the last resort handler
         root = self.root_logger
         root.removeHandler(self.root_hdlr)
-        old_stderr = sys.stderr
         old_lastresort = logging.lastResort
         old_raise_exceptions = logging.raiseExceptions
+
         try:
-            sys.stderr = sio = io.StringIO()
-            root.debug('This should not appear')
-            self.assertEqual(sio.getvalue(), '')
-            root.warning('This is your final chance!')
-            self.assertEqual(sio.getvalue(), 'This is your final chance!\n')
-            #No handlers and no last resort, so 'No handlers' message
+            with support.captured_stderr() as stderr:
+                root.debug('This should not appear')
+                self.assertEqual(stderr.getvalue(), '')
+                root.warning('Final chance!')
+                self.assertEqual(stderr.getvalue(), 'Final chance!\n')
+
+            # No handlers and no last resort, so 'No handlers' message
             logging.lastResort = None
-            sys.stderr = sio = io.StringIO()
-            root.warning('This is your final chance!')
-            self.assertEqual(sio.getvalue(), 'No handlers could be found for logger "root"\n')
+            with support.captured_stderr() as stderr:
+                root.warning('Final chance!')
+                msg = 'No handlers could be found for logger "root"\n'
+                self.assertEqual(stderr.getvalue(), msg)
+
             # 'No handlers' message only printed once
-            sys.stderr = sio = io.StringIO()
-            root.warning('This is your final chance!')
-            self.assertEqual(sio.getvalue(), '')
+            with support.captured_stderr() as stderr:
+                root.warning('Final chance!')
+                self.assertEqual(stderr.getvalue(), '')
+
+            # If raiseExceptions is False, no message is printed
             root.manager.emittedNoHandlerWarning = False
-            #If raiseExceptions is False, no message is printed
             logging.raiseExceptions = False
-            sys.stderr = sio = io.StringIO()
-            root.warning('This is your final chance!')
-            self.assertEqual(sio.getvalue(), '')
+            with support.captured_stderr() as stderr:
+                root.warning('Final chance!')
+                self.assertEqual(stderr.getvalue(), '')
         finally:
-            sys.stderr = old_stderr
             root.addHandler(self.root_hdlr)
             logging.lastResort = old_lastresort
             logging.raiseExceptions = old_raise_exceptions
@@ -3322,8 +3340,8 @@ class ModuleLevelMiscTest(BaseTest):
 
     def _test_log(self, method, level=None):
         called = []
-        patch(self, logging, 'basicConfig',
-              lambda *a, **kw: called.append((a, kw)))
+        support.patch(self, logging, 'basicConfig',
+                      lambda *a, **kw: called.append((a, kw)))
 
         recording = RecordingHandler()
         logging.root.addHandler(recording)
@@ -3494,7 +3512,7 @@ class BasicConfigTest(unittest.TestCase):
         self.assertEqual(logging.root.level, self.original_logging_level)
 
     def test_strformatstyle(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             logging.basicConfig(stream=sys.stdout, style="{")
             logging.error("Log an error")
             sys.stdout.seek(0)
@@ -3502,7 +3520,7 @@ class BasicConfigTest(unittest.TestCase):
                 "ERROR:root:Log an error")
 
     def test_stringtemplatestyle(self):
-        with captured_stdout() as output:
+        with support.captured_stdout() as output:
             logging.basicConfig(stream=sys.stdout, style="$")
             logging.error("Log an error")
             sys.stdout.seek(0)
@@ -3623,7 +3641,7 @@ class BasicConfigTest(unittest.TestCase):
             self.addCleanup(logging.root.setLevel, old_level)
             called.append((a, kw))
 
-        patch(self, logging, 'basicConfig', my_basic_config)
+        support.patch(self, logging, 'basicConfig', my_basic_config)
 
         log_method = getattr(logging, method)
         if level is not None:
@@ -3689,6 +3707,19 @@ class LoggerAdapterTest(unittest.TestCase):
         self.assertEqual(record.exc_info,
                          (exc.__class__, exc, exc.__traceback__))
 
+    def test_exception_excinfo(self):
+        try:
+            1 / 0
+        except ZeroDivisionError as e:
+            exc = e
+
+        self.adapter.exception('exc_info test', exc_info=exc)
+
+        self.assertEqual(len(self.recording.records), 1)
+        record = self.recording.records[0]
+        self.assertEqual(record.exc_info,
+                         (exc.__class__, exc, exc.__traceback__))
+
     def test_critical(self):
         msg = 'critical test! %r'
         self.adapter.critical(msg, self.recording)
@@ -3763,8 +3794,8 @@ class LoggerTest(BaseTest):
 
     def test_find_caller_with_stack_info(self):
         called = []
-        patch(self, logging.traceback, 'print_stack',
-              lambda f, file: called.append(file.getvalue()))
+        support.patch(self, logging.traceback, 'print_stack',
+                      lambda f, file: called.append(file.getvalue()))
 
         self.logger.findCaller(stack_info=True)
 
@@ -3901,7 +3932,7 @@ class RotatingFileHandlerTest(BaseFileTest):
         self.assertFalse(os.path.exists(namer(self.fn + ".3")))
         rh.close()
 
-    @requires_zlib
+    @support.requires_zlib
     def test_rotator(self):
         def namer(name):
             return name + ".gz"
@@ -4134,22 +4165,20 @@ class NTEventLogHandlerTest(BaseTest):
 # Set the locale to the platform-dependent default.  I have no idea
 # why the test does this, but in any case we save the current locale
 # first and restore it at the end.
-@run_with_locale('LC_ALL', '')
+@support.run_with_locale('LC_ALL', '')
 def test_main():
-    run_unittest(BuiltinLevelsTest, BasicFilterTest,
-                 CustomLevelsAndFiltersTest, HandlerTest, MemoryHandlerTest,
-                 ConfigFileTest, SocketHandlerTest, DatagramHandlerTest,
-                 MemoryTest, EncodingTest, WarningsTest, ConfigDictTest,
-                 ManagerTest, FormatterTest, BufferingFormatterTest,
-                 StreamHandlerTest, LogRecordFactoryTest, ChildLoggerTest,
-                 QueueHandlerTest, ShutdownTest, ModuleLevelMiscTest,
-                 BasicConfigTest, LoggerAdapterTest, LoggerTest,
-                 SMTPHandlerTest, FileHandlerTest, RotatingFileHandlerTest,
-                 LastResortTest, LogRecordTest, ExceptionTest,
-                 SysLogHandlerTest, HTTPHandlerTest, NTEventLogHandlerTest,
-                 TimedRotatingFileHandlerTest, UnixSocketHandlerTest,
-                 UnixDatagramHandlerTest, UnixSysLogHandlerTest
-                )
+    support.run_unittest(
+        BuiltinLevelsTest, BasicFilterTest, CustomLevelsAndFiltersTest,
+        HandlerTest, MemoryHandlerTest, ConfigFileTest, SocketHandlerTest,
+        DatagramHandlerTest, MemoryTest, EncodingTest, WarningsTest,
+        ConfigDictTest, ManagerTest, FormatterTest, BufferingFormatterTest,
+        StreamHandlerTest, LogRecordFactoryTest, ChildLoggerTest,
+        QueueHandlerTest, ShutdownTest, ModuleLevelMiscTest, BasicConfigTest,
+        LoggerAdapterTest, LoggerTest, SMTPHandlerTest, FileHandlerTest,
+        RotatingFileHandlerTest,  LastResortTest, LogRecordTest,
+        ExceptionTest, SysLogHandlerTest, HTTPHandlerTest,
+        NTEventLogHandlerTest, TimedRotatingFileHandlerTest,
+        UnixSocketHandlerTest, UnixDatagramHandlerTest, UnixSysLogHandlerTest)
 
 if __name__ == "__main__":
     test_main()
diff --git a/Lib/test/test_long.py b/Lib/test/test_long.py
index 5f14795..e025716 100644
--- a/Lib/test/test_long.py
+++ b/Lib/test/test_long.py
@@ -599,8 +599,6 @@ class LongTest(unittest.TestCase):
                 return (x > y) - (x < y)
             def __eq__(self, other):
                 return self._cmp__(other) == 0
-            def __ne__(self, other):
-                return self._cmp__(other) != 0
             def __ge__(self, other):
                 return self._cmp__(other) >= 0
             def __gt__(self, other):
@@ -1243,8 +1241,5 @@ class LongTest(unittest.TestCase):
                 self.assertEqual(type(value >> shift), int)
 
 
-def test_main():
-    support.run_unittest(LongTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_longexp.py b/Lib/test/test_longexp.py
index 1b40d02..f4c463a 100644
--- a/Lib/test/test_longexp.py
+++ b/Lib/test/test_longexp.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 
 class LongExpText(unittest.TestCase):
     def test_longexp(self):
@@ -7,8 +6,5 @@ class LongExpText(unittest.TestCase):
         l = eval("[" + "2," * REPS + "]")
         self.assertEqual(len(l), REPS)
 
-def test_main():
-    support.run_unittest(LongExpText)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py
index 07fadbd..2d39099 100644
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
@@ -1,4 +1,5 @@
-from io import BytesIO, UnsupportedOperation
+import _compression
+from io import BytesIO, UnsupportedOperation, DEFAULT_BUFFER_SIZE
 import os
 import pickle
 import random
@@ -135,6 +136,97 @@ class CompressorDecompressorTestCase(unittest.TestCase):
         self.assertTrue(lzd.eof)
         self.assertEqual(lzd.unused_data, b"")
 
+    def test_decompressor_chunks_maxsize(self):
+        lzd = LZMADecompressor()
+        max_length = 100
+        out = []
+
+        # Feed first half the input
+        len_ = len(COMPRESSED_XZ) // 2
+        out.append(lzd.decompress(COMPRESSED_XZ[:len_],
+                                  max_length=max_length))
+        self.assertFalse(lzd.needs_input)
+        self.assertEqual(len(out[-1]), max_length)
+
+        # Retrieve more data without providing more input
+        out.append(lzd.decompress(b'', max_length=max_length))
+        self.assertFalse(lzd.needs_input)
+        self.assertEqual(len(out[-1]), max_length)
+
+        # Retrieve more data while providing more input
+        out.append(lzd.decompress(COMPRESSED_XZ[len_:],
+                                  max_length=max_length))
+        self.assertLessEqual(len(out[-1]), max_length)
+
+        # Retrieve remaining uncompressed data
+        while not lzd.eof:
+            out.append(lzd.decompress(b'', max_length=max_length))
+            self.assertLessEqual(len(out[-1]), max_length)
+
+        out = b"".join(out)
+        self.assertEqual(out, INPUT)
+        self.assertEqual(lzd.check, lzma.CHECK_CRC64)
+        self.assertEqual(lzd.unused_data, b"")
+
+    def test_decompressor_inputbuf_1(self):
+        # Test reusing input buffer after moving existing
+        # contents to beginning
+        lzd = LZMADecompressor()
+        out = []
+
+        # Create input buffer and fill it
+        self.assertEqual(lzd.decompress(COMPRESSED_XZ[:100],
+                                        max_length=0), b'')
+
+        # Retrieve some results, freeing capacity at beginning
+        # of input buffer
+        out.append(lzd.decompress(b'', 2))
+
+        # Add more data that fits into input buffer after
+        # moving existing data to beginning
+        out.append(lzd.decompress(COMPRESSED_XZ[100:105], 15))
+
+        # Decompress rest of data
+        out.append(lzd.decompress(COMPRESSED_XZ[105:]))
+        self.assertEqual(b''.join(out), INPUT)
+
+    def test_decompressor_inputbuf_2(self):
+        # Test reusing input buffer by appending data at the
+        # end right away
+        lzd = LZMADecompressor()
+        out = []
+
+        # Create input buffer and empty it
+        self.assertEqual(lzd.decompress(COMPRESSED_XZ[:200],
+                                        max_length=0), b'')
+        out.append(lzd.decompress(b''))
+
+        # Fill buffer with new data
+        out.append(lzd.decompress(COMPRESSED_XZ[200:280], 2))
+
+        # Append some more data, not enough to require resize
+        out.append(lzd.decompress(COMPRESSED_XZ[280:300], 2))
+
+        # Decompress rest of data
+        out.append(lzd.decompress(COMPRESSED_XZ[300:]))
+        self.assertEqual(b''.join(out), INPUT)
+
+    def test_decompressor_inputbuf_3(self):
+        # Test reusing input buffer after extending it
+
+        lzd = LZMADecompressor()
+        out = []
+
+        # Create almost full input buffer
+        out.append(lzd.decompress(COMPRESSED_XZ[:200], 5))
+
+        # Add even more data to it, requiring resize
+        out.append(lzd.decompress(COMPRESSED_XZ[200:300], 5))
+
+        # Decompress rest of data
+        out.append(lzd.decompress(COMPRESSED_XZ[300:]))
+        self.assertEqual(b''.join(out), INPUT)
+
     def test_decompressor_unused_data(self):
         lzd = LZMADecompressor()
         extra = b"fooblibar"
@@ -681,13 +773,13 @@ class FileTestCase(unittest.TestCase):
     def test_read_multistream_buffer_size_aligned(self):
         # Test the case where a stream boundary coincides with the end
         # of the raw read buffer.
-        saved_buffer_size = lzma._BUFFER_SIZE
-        lzma._BUFFER_SIZE = len(COMPRESSED_XZ)
+        saved_buffer_size = _compression.BUFFER_SIZE
+        _compression.BUFFER_SIZE = len(COMPRESSED_XZ)
         try:
             with LZMAFile(BytesIO(COMPRESSED_XZ *  5)) as f:
                 self.assertEqual(f.read(), INPUT * 5)
         finally:
-            lzma._BUFFER_SIZE = saved_buffer_size
+            _compression.BUFFER_SIZE = saved_buffer_size
 
     def test_read_trailing_junk(self):
         with LZMAFile(BytesIO(COMPRESSED_XZ + COMPRESSED_BOGUS)) as f:
@@ -738,7 +830,7 @@ class FileTestCase(unittest.TestCase):
         with LZMAFile(BytesIO(), "w") as f:
             self.assertRaises(ValueError, f.read)
         with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
-            self.assertRaises(TypeError, f.read, None)
+            self.assertRaises(TypeError, f.read, float())
 
     def test_read_bad_data(self):
         with LZMAFile(BytesIO(COMPRESSED_BOGUS)) as f:
@@ -834,6 +926,17 @@ class FileTestCase(unittest.TestCase):
         with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
             self.assertListEqual(f.readlines(), lines)
 
+    def test_decompress_limited(self):
+        """Decompressed data buffering should be limited"""
+        bomb = lzma.compress(bytes(int(2e6)), preset=6)
+        self.assertLess(len(bomb), _compression.BUFFER_SIZE)
+
+        decomp = LZMAFile(BytesIO(bomb))
+        self.assertEqual(bytes(1), decomp.read(1))
+        max_decomp = 1 + DEFAULT_BUFFER_SIZE
+        self.assertLessEqual(decomp._buffer.raw.tell(), max_decomp,
+            "Excessive amount of data was decompressed")
+
     def test_write(self):
         with BytesIO() as dst:
             with LZMAFile(dst, "w") as f:
@@ -999,7 +1102,8 @@ class FileTestCase(unittest.TestCase):
             self.assertRaises(ValueError, f.seek, 0)
         with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
             self.assertRaises(ValueError, f.seek, 0, 3)
-            self.assertRaises(ValueError, f.seek, 9, ())
+            # io.BufferedReader raises TypeError instead of ValueError
+            self.assertRaises((TypeError, ValueError), f.seek, 9, ())
             self.assertRaises(TypeError, f.seek, None)
             self.assertRaises(TypeError, f.seek, b"derp")
 
diff --git a/Lib/test/test_macpath.py b/Lib/test/test_macpath.py
index 22f8491..80bec7a 100644
--- a/Lib/test/test_macpath.py
+++ b/Lib/test/test_macpath.py
@@ -142,6 +142,8 @@ class MacPathTestCase(unittest.TestCase):
 class MacCommonTest(test_genericpath.CommonTest, unittest.TestCase):
     pathmodule = macpath
 
+    test_relpath_errors = None
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_mailcap.py b/Lib/test/test_mailcap.py
index a4cd09c..22b2fcc 100644
--- a/Lib/test/test_mailcap.py
+++ b/Lib/test/test_mailcap.py
@@ -213,9 +213,5 @@ class FindmatchTest(unittest.TestCase):
             self.assertEqual(mailcap.findmatch(*c[0], **c[1]), c[2])
 
 
-def test_main():
-    test.support.run_unittest(HelperFunctionTest, GetcapsTest, FindmatchTest)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py
index 903e12c..c7def9a 100644
--- a/Lib/test/test_marshal.py
+++ b/Lib/test/test_marshal.py
@@ -193,7 +193,7 @@ class BugsTestCase(unittest.TestCase):
         head = last = []
         # The max stack depth should match the value in Python/marshal.c.
         if os.name == 'nt' and hasattr(sys, 'gettotalrefcount'):
-            MAX_MARSHAL_STACK_DEPTH = 1500
+            MAX_MARSHAL_STACK_DEPTH = 1000
         else:
             MAX_MARSHAL_STACK_DEPTH = 2000
         for i in range(MAX_MARSHAL_STACK_DEPTH - 2):
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py
index 48f84ba..023dea9 100644
--- a/Lib/test/test_math.py
+++ b/Lib/test/test_math.py
@@ -422,9 +422,17 @@ class MathTests(unittest.TestCase):
             self.assertEqual(math.factorial(i), py_factorial(i))
         self.assertRaises(ValueError, math.factorial, -1)
         self.assertRaises(ValueError, math.factorial, -1.0)
+        self.assertRaises(ValueError, math.factorial, -10**100)
+        self.assertRaises(ValueError, math.factorial, -1e100)
         self.assertRaises(ValueError, math.factorial, math.pi)
-        self.assertRaises(OverflowError, math.factorial, sys.maxsize+1)
-        self.assertRaises(OverflowError, math.factorial, 10e100)
+
+    # Other implementations may place different upper bounds.
+    @support.cpython_only
+    def testFactorialHugeInputs(self):
+        # Currently raises ValueError for inputs that are too large
+        # to fit into a C long.
+        self.assertRaises(OverflowError, math.factorial, 10**100)
+        self.assertRaises(OverflowError, math.factorial, 1e100)
 
     def testFloor(self):
         self.assertRaises(TypeError, math.floor)
@@ -975,6 +983,17 @@ class MathTests(unittest.TestCase):
         self.assertFalse(math.isinf(0.))
         self.assertFalse(math.isinf(1.))
 
+    @requires_IEEE_754
+    def test_nan_constant(self):
+        self.assertTrue(math.isnan(math.nan))
+
+    @requires_IEEE_754
+    def test_inf_constant(self):
+        self.assertTrue(math.isinf(math.inf))
+        self.assertGreater(math.inf, 0.0)
+        self.assertEqual(math.inf, float("inf"))
+        self.assertEqual(-math.inf, float("-inf"))
+
     # RED_FLAG 16-Oct-2000 Tim
     # While 2.0 is more consistent about exceptions than previous releases, it
     # still fails this part of the test on some platforms.  For now, we only
diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py
index 9a2461d..3f9928b 100644
--- a/Lib/test/test_memoryio.py
+++ b/Lib/test/test_memoryio.py
@@ -9,6 +9,7 @@ from test import support
 import io
 import _pyio as pyio
 import pickle
+import sys
 
 class MemorySeekTestMixin:
 
@@ -717,12 +718,56 @@ class CBytesIOTest(PyBytesIOTest):
 
     @support.cpython_only
     def test_sizeof(self):
-        basesize = support.calcobjsize('P2nN2Pn')
+        basesize = support.calcobjsize('P2n2Pn')
         check = self.check_sizeof
         self.assertEqual(object.__sizeof__(io.BytesIO()), basesize)
         check(io.BytesIO(), basesize )
-        check(io.BytesIO(b'a'), basesize + 1 + 1 )
-        check(io.BytesIO(b'a' * 1000), basesize + 1000 + 1 )
+        check(io.BytesIO(b'a' * 1000), basesize + sys.getsizeof(b'a' * 1000))
+
+    # Various tests of copy-on-write behaviour for BytesIO.
+
+    def _test_cow_mutation(self, mutation):
+        # Common code for all BytesIO copy-on-write mutation tests.
+        imm = b' ' * 1024
+        old_rc = sys.getrefcount(imm)
+        memio = self.ioclass(imm)
+        self.assertEqual(sys.getrefcount(imm), old_rc + 1)
+        mutation(memio)
+        self.assertEqual(sys.getrefcount(imm), old_rc)
+
+    @support.cpython_only
+    def test_cow_truncate(self):
+        # Ensure truncate causes a copy.
+        def mutation(memio):
+            memio.truncate(1)
+        self._test_cow_mutation(mutation)
+
+    @support.cpython_only
+    def test_cow_write(self):
+        # Ensure write that would not cause a resize still results in a copy.
+        def mutation(memio):
+            memio.seek(0)
+            memio.write(b'foo')
+        self._test_cow_mutation(mutation)
+
+    @support.cpython_only
+    def test_cow_setstate(self):
+        # __setstate__ should cause buffer to be released.
+        memio = self.ioclass(b'foooooo')
+        state = memio.__getstate__()
+        def mutation(memio):
+            memio.__setstate__(state)
+        self._test_cow_mutation(mutation)
+
+    @support.cpython_only
+    def test_cow_mutable(self):
+        # BytesIO should accept only Bytes for copy-on-write sharing, since
+        # arbitrary buffer-exporting objects like bytearray() aren't guaranteed
+        # to be immutable.
+        ba = bytearray(1024)
+        old_rc = sys.getrefcount(ba)
+        memio = self.ioclass(ba)
+        self.assertEqual(sys.getrefcount(ba), old_rc)
 
 class CStringIOTest(PyStringIOTest):
     ioclass = io.StringIO
@@ -781,10 +826,5 @@ class CStringIOPickleTest(PyStringIOPickleTest):
             pass
 
 
-def test_main():
-    tests = [PyBytesIOTest, PyStringIOTest, CBytesIOTest, CStringIOTest,
-             PyStringIOPickleTest, CStringIOPickleTest]
-    support.run_unittest(*tests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_memoryview.py b/Lib/test/test_memoryview.py
index 4bc3133..6fe61a4 100644
--- a/Lib/test/test_memoryview.py
+++ b/Lib/test/test_memoryview.py
@@ -369,12 +369,12 @@ class AbstractMemoryTests:
         d = memoryview(b)
 
         del b
- 
+
         self.assertEqual(c[0], 256)
         self.assertEqual(d[0], 256)
         self.assertEqual(c.format, "H")
         self.assertEqual(d.format, "H")
- 
+
         _ = m.cast('I')
         self.assertEqual(c[0], 256)
         self.assertEqual(d[0], 256)
@@ -492,8 +492,5 @@ class ArrayMemorySliceSliceTest(unittest.TestCase,
     pass
 
 
-def test_main():
-    test.support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_mimetypes.py b/Lib/test/test_mimetypes.py
index 0b53032..6856593 100644
--- a/Lib/test/test_mimetypes.py
+++ b/Lib/test/test_mimetypes.py
@@ -101,11 +101,5 @@ class Win32MimeTypesTestCase(unittest.TestCase):
         eq(self.db.guess_type("image.jpg"), ("image/jpeg", None))
         eq(self.db.guess_type("image.png"), ("image/png", None))
 
-def test_main():
-    support.run_unittest(MimeTypesTestCase,
-        Win32MimeTypesTestCase
-        )
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index 05df6e9..686638c 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -1,7 +1,7 @@
 # test for xml.dom.minidom
 
 import pickle
-from test.support import run_unittest, findfile
+from test.support import findfile
 import unittest
 
 import xml.dom.minidom
@@ -1545,8 +1545,5 @@ class MinidomTest(unittest.TestCase):
         pi = doc.createProcessingInstruction("y", "z")
         pi.nodeValue = "crash"
 
-def test_main():
-    run_unittest(MinidomTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py
index 4d23f16..3de84e8 100644
--- a/Lib/test/test_mmap.py
+++ b/Lib/test/test_mmap.py
@@ -282,6 +282,7 @@ class MmapTests(unittest.TestCase):
         self.assertEqual(m.find(b'one', 1), 8)
         self.assertEqual(m.find(b'one', 1, -1), 8)
         self.assertEqual(m.find(b'one', 1, -2), -1)
+        self.assertEqual(m.find(bytearray(b'one')), 0)
 
 
     def test_rfind(self):
@@ -300,6 +301,7 @@ class MmapTests(unittest.TestCase):
         self.assertEqual(m.rfind(b'one', 0, -2), 0)
         self.assertEqual(m.rfind(b'one', 1, -1), 8)
         self.assertEqual(m.rfind(b'one', 1, -2), -1)
+        self.assertEqual(m.rfind(bytearray(b'one')), 8)
 
 
     def test_double_close(self):
@@ -601,8 +603,10 @@ class MmapTests(unittest.TestCase):
         m.write(b"bar")
         self.assertEqual(m.tell(), 6)
         self.assertEqual(m[:], b"012bar6789")
-        m.seek(8)
-        self.assertRaises(ValueError, m.write, b"bar")
+        m.write(bytearray(b"baz"))
+        self.assertEqual(m.tell(), 9)
+        self.assertEqual(m[:], b"012barbaz9")
+        self.assertRaises(ValueError, m.write, b"ba")
 
     def test_non_ascii_byte(self):
         for b in (129, 200, 255): # > 128
diff --git a/Lib/test/test_module.py b/Lib/test/test_module.py
index 1230293..270ec7e 100644
--- a/Lib/test/test_module.py
+++ b/Lib/test/test_module.py
@@ -1,7 +1,7 @@
 # Test the module type
 import unittest
 import weakref
-from test.support import run_unittest, gc_collect
+from test.support import gc_collect
 from test.script_helper import assert_python_ok
 
 import sys
@@ -30,6 +30,22 @@ class ModuleTests(unittest.TestCase):
             pass
         self.assertEqual(foo.__doc__, ModuleType.__doc__)
 
+    def test_unintialized_missing_getattr(self):
+        # Issue 8297
+        # test the text in the AttributeError of an uninitialized module
+        foo = ModuleType.__new__(ModuleType)
+        self.assertRaisesRegex(
+                AttributeError, "module has no attribute 'not_here'",
+                getattr, foo, "not_here")
+
+    def test_missing_getattr(self):
+        # Issue 8297
+        # test the text in the AttributeError
+        foo = ModuleType("foo")
+        self.assertRaisesRegex(
+                AttributeError, "module 'foo' has no attribute 'not_here'",
+                getattr, foo, "not_here")
+
     def test_no_docstring(self):
         # Regularly initialized module, no docstring
         foo = ModuleType("foo")
@@ -211,12 +227,16 @@ a = A(destroyed)"""
             b"len = len",
             b"shutil.rmtree = rmtree"})
 
-    # frozen and namespace module reprs are tested in importlib.
-
+    def test_descriptor_errors_propogate(self):
+        class Descr:
+            def __get__(self, o, t):
+                raise RuntimeError
+        class M(ModuleType):
+            melon = Descr()
+        self.assertRaises(RuntimeError, getattr, M("mymod"), "melon")
 
-def test_main():
-    run_unittest(ModuleTests)
+    # frozen and namespace module reprs are tested in importlib.
 
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_msilib.py b/Lib/test/test_msilib.py
index ccdaec7..8ef334f 100644
--- a/Lib/test/test_msilib.py
+++ b/Lib/test/test_msilib.py
@@ -1,7 +1,7 @@
 """ Test suite for the code in msilib """
 import unittest
 import os
-from test.support import run_unittest, import_module
+from test.support import import_module
 msilib = import_module('msilib')
 
 class Test_make_id(unittest.TestCase):
@@ -39,8 +39,5 @@ class Test_make_id(unittest.TestCase):
             msilib.make_id(".s\x82o?*+rt"), "_.s_o___rt")
 
 
-def test_main():
-    run_unittest(__name__)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_nis.py b/Lib/test/test_nis.py
index a3a3c26..387a4e7 100644
--- a/Lib/test/test_nis.py
+++ b/Lib/test/test_nis.py
@@ -36,8 +36,5 @@ class NisTests(unittest.TestCase):
             if done:
                 break
 
-def test_main():
-    support.run_unittest(NisTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_normalization.py b/Lib/test/test_normalization.py
index 5dac5db..30fa612 100644
--- a/Lib/test/test_normalization.py
+++ b/Lib/test/test_normalization.py
@@ -1,4 +1,4 @@
-from test.support import run_unittest, open_urlresource
+from test.support import open_urlresource
 import unittest
 
 from http.client import HTTPException
@@ -97,8 +97,5 @@ class NormalizationTest(unittest.TestCase):
         normalize('NFC', '\ud55c\uae00')
 
 
-def test_main():
-    run_unittest(NormalizationTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_ntpath.py b/Lib/test/test_ntpath.py
index dacddde..580f203 100644
--- a/Lib/test/test_ntpath.py
+++ b/Lib/test/test_ntpath.py
@@ -330,6 +330,75 @@ class TestNtpath(unittest.TestCase):
         tester('ntpath.relpath("/a/b", "/a/b")', '.')
         tester('ntpath.relpath("c:/foo", "C:/FOO")', '.')
 
+    def test_commonpath(self):
+        def check(paths, expected):
+            tester(('ntpath.commonpath(%r)' % paths).replace('\\\\', '\\'),
+                   expected)
+        def check_error(exc, paths):
+            self.assertRaises(exc, ntpath.commonpath, paths)
+            self.assertRaises(exc, ntpath.commonpath,
+                              [os.fsencode(p) for p in paths])
+
+        self.assertRaises(ValueError, ntpath.commonpath, [])
+        check_error(ValueError, ['C:\\Program Files', 'Program Files'])
+        check_error(ValueError, ['C:\\Program Files', 'C:Program Files'])
+        check_error(ValueError, ['\\Program Files', 'Program Files'])
+        check_error(ValueError, ['Program Files', 'C:\\Program Files'])
+        check(['C:\\Program Files'], 'C:\\Program Files')
+        check(['C:\\Program Files', 'C:\\Program Files'], 'C:\\Program Files')
+        check(['C:\\Program Files\\', 'C:\\Program Files'],
+              'C:\\Program Files')
+        check(['C:\\Program Files\\', 'C:\\Program Files\\'],
+              'C:\\Program Files')
+        check(['C:\\\\Program Files', 'C:\\Program Files\\\\'],
+              'C:\\Program Files')
+        check(['C:\\.\\Program Files', 'C:\\Program Files\\.'],
+              'C:\\Program Files')
+        check(['C:\\', 'C:\\bin'], 'C:\\')
+        check(['C:\\Program Files', 'C:\\bin'], 'C:\\')
+        check(['C:\\Program Files', 'C:\\Program Files\\Bar'],
+              'C:\\Program Files')
+        check(['C:\\Program Files\\Foo', 'C:\\Program Files\\Bar'],
+              'C:\\Program Files')
+        check(['C:\\Program Files', 'C:\\Projects'], 'C:\\')
+        check(['C:\\Program Files\\', 'C:\\Projects'], 'C:\\')
+
+        check(['C:\\Program Files\\Foo', 'C:/Program Files/Bar'],
+              'C:\\Program Files')
+        check(['C:\\Program Files\\Foo', 'c:/program files/bar'],
+              'C:\\Program Files')
+        check(['c:/program files/bar', 'C:\\Program Files\\Foo'],
+              'c:\\program files')
+
+        check_error(ValueError, ['C:\\Program Files', 'D:\\Program Files'])
+
+        check(['spam'], 'spam')
+        check(['spam', 'spam'], 'spam')
+        check(['spam', 'alot'], '')
+        check(['and\\jam', 'and\\spam'], 'and')
+        check(['and\\\\jam', 'and\\spam\\\\'], 'and')
+        check(['and\\.\\jam', '.\\and\\spam'], 'and')
+        check(['and\\jam', 'and\\spam', 'alot'], '')
+        check(['and\\jam', 'and\\spam', 'and'], 'and')
+        check(['C:and\\jam', 'C:and\\spam'], 'C:and')
+
+        check([''], '')
+        check(['', 'spam\\alot'], '')
+        check_error(ValueError, ['', '\\spam\\alot'])
+
+        self.assertRaises(TypeError, ntpath.commonpath,
+                          [b'C:\\Program Files', 'C:\\Program Files\\Foo'])
+        self.assertRaises(TypeError, ntpath.commonpath,
+                          [b'C:\\Program Files', 'Program Files\\Foo'])
+        self.assertRaises(TypeError, ntpath.commonpath,
+                          [b'Program Files', 'C:\\Program Files\\Foo'])
+        self.assertRaises(TypeError, ntpath.commonpath,
+                          ['C:\\Program Files', b'C:\\Program Files\\Foo'])
+        self.assertRaises(TypeError, ntpath.commonpath,
+                          ['C:\\Program Files', b'Program Files\\Foo'])
+        self.assertRaises(TypeError, ntpath.commonpath,
+                          ['Program Files', b'C:\\Program Files\\Foo'])
+
     def test_sameopenfile(self):
         with TemporaryFile() as tf1, TemporaryFile() as tf2:
             # Make sure the same file is really the same
diff --git a/Lib/test/test_numeric_tower.py b/Lib/test/test_numeric_tower.py
index 3423d4e..c54dedb 100644
--- a/Lib/test/test_numeric_tower.py
+++ b/Lib/test/test_numeric_tower.py
@@ -5,7 +5,6 @@ import random
 import math
 import sys
 import operator
-from test.support import run_unittest
 
 from decimal import Decimal as D
 from fractions import Fraction as F
@@ -199,8 +198,5 @@ class ComparisonTest(unittest.TestCase):
                 self.assertRaises(TypeError, op, v, z)
 
 
-def test_main():
-    run_unittest(HashTest, ComparisonTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_opcodes.py b/Lib/test/test_opcodes.py
index f510bac..6ef93d9 100644
--- a/Lib/test/test_opcodes.py
+++ b/Lib/test/test_opcodes.py
@@ -1,6 +1,5 @@
 # Python test set -- part 2, opcodes
 
-from test.support import run_unittest
 import unittest
 
 class OpcodeTest(unittest.TestCase):
@@ -105,8 +104,5 @@ class OpcodeTest(unittest.TestCase):
         self.assertEqual(MyString() % 3, 42)
 
 
-def test_main():
-    run_unittest(OpcodeTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_openpty.py b/Lib/test/test_openpty.py
index 4785107..3f46a60 100644
--- a/Lib/test/test_openpty.py
+++ b/Lib/test/test_openpty.py
@@ -1,7 +1,6 @@
 # Test to see if openpty works. (But don't worry if it isn't available.)
 
 import os, unittest
-from test.support import run_unittest
 
 if not hasattr(os, "openpty"):
     raise unittest.SkipTest("os.openpty() not available.")
@@ -18,8 +17,5 @@ class OpenptyTest(unittest.TestCase):
         os.write(slave, b'Ping!')
         self.assertEqual(os.read(master, 1024), b'Ping!')
 
-def test_main():
-    run_unittest(OpenptyTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_operator.py b/Lib/test/test_operator.py
index ab58a98..1bd0391 100644
--- a/Lib/test/test_operator.py
+++ b/Lib/test/test_operator.py
@@ -203,6 +203,15 @@ class OperatorTestCase:
         self.assertRaises(TypeError, operator.mul, None, None)
         self.assertTrue(operator.mul(5, 2) == 10)
 
+    def test_matmul(self):
+        operator = self.module
+        self.assertRaises(TypeError, operator.matmul)
+        self.assertRaises(TypeError, operator.matmul, 42, 42)
+        class M:
+            def __matmul__(self, other):
+                return other - 1
+        self.assertEqual(M() @ 42, 41)
+
     def test_neg(self):
         operator = self.module
         self.assertRaises(TypeError, operator.neg)
@@ -416,6 +425,7 @@ class OperatorTestCase:
             def __ilshift__  (self, other): return "ilshift"
             def __imod__     (self, other): return "imod"
             def __imul__     (self, other): return "imul"
+            def __imatmul__  (self, other): return "imatmul"
             def __ior__      (self, other): return "ior"
             def __ipow__     (self, other): return "ipow"
             def __irshift__  (self, other): return "irshift"
@@ -430,6 +440,7 @@ class OperatorTestCase:
         self.assertEqual(operator.ilshift  (c, 5), "ilshift")
         self.assertEqual(operator.imod     (c, 5), "imod")
         self.assertEqual(operator.imul     (c, 5), "imul")
+        self.assertEqual(operator.imatmul  (c, 5), "imatmul")
         self.assertEqual(operator.ior      (c, 5), "ior")
         self.assertEqual(operator.ipow     (c, 5), "ipow")
         self.assertEqual(operator.irshift  (c, 5), "irshift")
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 31f2cc3..70734ab 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -4,6 +4,7 @@
 
 import os
 import errno
+import getpass
 import unittest
 import warnings
 import sys
@@ -40,9 +41,35 @@ try:
     import fcntl
 except ImportError:
     fcntl = None
+try:
+    import _winapi
+except ImportError:
+    _winapi = None
+try:
+    import grp
+    groups = [g.gr_gid for g in grp.getgrall() if getpass.getuser() in g.gr_mem]
+    if hasattr(os, 'getgid'):
+        process_gid = os.getgid()
+        if process_gid not in groups:
+            groups.append(process_gid)
+except ImportError:
+    groups = []
+try:
+    import pwd
+    all_users = [u.pw_uid for u in pwd.getpwall()]
+except ImportError:
+    all_users = []
+try:
+    from _testcapi import INT_MAX, PY_SSIZE_T_MAX
+except ImportError:
+    INT_MAX = PY_SSIZE_T_MAX = sys.maxsize
 
 from test.script_helper import assert_python_ok
 
+root_in_posix = False
+if hasattr(os, 'geteuid'):
+    root_in_posix = (os.geteuid() == 0)
+
 with warnings.catch_warnings():
     warnings.simplefilter("ignore", DeprecationWarning)
     os.stat_float_times(True)
@@ -116,6 +143,26 @@ class FileTests(unittest.TestCase):
             self.assertEqual(type(s), bytes)
             self.assertEqual(s, b"spam")
 
+    @support.cpython_only
+    # Skip the test on 32-bit platforms: the number of bytes must fit in a
+    # Py_ssize_t type
+    @unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX,
+                         "needs INT_MAX < PY_SSIZE_T_MAX")
+    @support.bigmemtest(size=INT_MAX + 10, memuse=1, dry_run=False)
+    def test_large_read(self, size):
+        with open(support.TESTFN, "wb") as fp:
+            fp.write(b'test')
+        self.addCleanup(support.unlink, support.TESTFN)
+
+        # Issue #21932: Make sure that os.read() does not raise an
+        # OverflowError for size larger than INT_MAX
+        with open(support.TESTFN, "rb") as fp:
+            data = os.read(fp.fileno(), size)
+
+        # The test does not try to read more than 2 GB at once because the
+        # operating system is free to return less bytes than requested.
+        self.assertEqual(data, b'test')
+
     def test_write(self):
         # os.write() accepts bytes- and buffer-like objects but not strings
         fd = os.open(support.TESTFN, os.O_CREAT | os.O_WRONLY)
@@ -533,6 +580,28 @@ class StatAttributeTests(unittest.TestCase):
             os.stat(r)
         self.assertEqual(ctx.exception.errno, errno.EBADF)
 
+    def check_file_attributes(self, result):
+        self.assertTrue(hasattr(result, 'st_file_attributes'))
+        self.assertTrue(isinstance(result.st_file_attributes, int))
+        self.assertTrue(0 <= result.st_file_attributes <= 0xFFFFFFFF)
+
+    @unittest.skipUnless(sys.platform == "win32",
+                         "st_file_attributes is Win32 specific")
+    def test_file_attributes(self):
+        # test file st_file_attributes (FILE_ATTRIBUTE_DIRECTORY not set)
+        result = os.stat(self.fname)
+        self.check_file_attributes(result)
+        self.assertEqual(
+            result.st_file_attributes & stat.FILE_ATTRIBUTE_DIRECTORY,
+            0)
+
+        # test directory st_file_attributes (FILE_ATTRIBUTE_DIRECTORY set)
+        result = os.stat(support.TESTFN)
+        self.check_file_attributes(result)
+        self.assertEqual(
+            result.st_file_attributes & stat.FILE_ATTRIBUTE_DIRECTORY,
+            stat.FILE_ATTRIBUTE_DIRECTORY)
+
 from test import mapping_tests
 
 class EnvironTests(mapping_tests.BasicTestMappingProtocol):
@@ -945,17 +1014,6 @@ class MakedirTests(unittest.TestCase):
         os.makedirs(path, mode=mode, exist_ok=True)
         os.umask(old_mask)
 
-    @unittest.skipUnless(hasattr(os, 'chown'), 'test needs os.chown')
-    def test_chown_uid_gid_arguments_must_be_index(self):
-        stat = os.stat(support.TESTFN)
-        uid = stat.st_uid
-        gid = stat.st_gid
-        for value in (-1.0, -1j, decimal.Decimal(-1), fractions.Fraction(-2, 2)):
-            self.assertRaises(TypeError, os.chown, support.TESTFN, value, gid)
-            self.assertRaises(TypeError, os.chown, support.TESTFN, uid, value)
-        self.assertIsNone(os.chown(support.TESTFN, uid, gid))
-        self.assertIsNone(os.chown(support.TESTFN, -1, -1))
-
     def test_exist_ok_s_isgid_directory(self):
         path = os.path.join(support.TESTFN, 'dir1')
         S_ISGID = stat.S_ISGID
@@ -1006,6 +1064,58 @@ class MakedirTests(unittest.TestCase):
         os.removedirs(path)
 
 
+@unittest.skipUnless(hasattr(os, 'chown'), "Test needs chown")
+class ChownFileTests(unittest.TestCase):
+
+    def setUpClass():
+        os.mkdir(support.TESTFN)
+
+    def test_chown_uid_gid_arguments_must_be_index(self):
+        stat = os.stat(support.TESTFN)
+        uid = stat.st_uid
+        gid = stat.st_gid
+        for value in (-1.0, -1j, decimal.Decimal(-1), fractions.Fraction(-2, 2)):
+            self.assertRaises(TypeError, os.chown, support.TESTFN, value, gid)
+            self.assertRaises(TypeError, os.chown, support.TESTFN, uid, value)
+        self.assertIsNone(os.chown(support.TESTFN, uid, gid))
+        self.assertIsNone(os.chown(support.TESTFN, -1, -1))
+
+    @unittest.skipUnless(len(groups) > 1, "test needs more than one group")
+    def test_chown(self):
+        gid_1, gid_2 = groups[:2]
+        uid = os.stat(support.TESTFN).st_uid
+        os.chown(support.TESTFN, uid, gid_1)
+        gid = os.stat(support.TESTFN).st_gid
+        self.assertEqual(gid, gid_1)
+        os.chown(support.TESTFN, uid, gid_2)
+        gid = os.stat(support.TESTFN).st_gid
+        self.assertEqual(gid, gid_2)
+
+    @unittest.skipUnless(root_in_posix and len(all_users) > 1,
+                         "test needs root privilege and more than one user")
+    def test_chown_with_root(self):
+        uid_1, uid_2 = all_users[:2]
+        gid = os.stat(support.TESTFN).st_gid
+        os.chown(support.TESTFN, uid_1, gid)
+        uid = os.stat(support.TESTFN).st_uid
+        self.assertEqual(uid, uid_1)
+        os.chown(support.TESTFN, uid_2, gid)
+        uid = os.stat(support.TESTFN).st_uid
+        self.assertEqual(uid, uid_2)
+
+    @unittest.skipUnless(not root_in_posix and len(all_users) > 1,
+                         "test needs non-root account and more than one user")
+    def test_chown_without_permission(self):
+        uid_1, uid_2 = all_users[:2]
+        gid = os.stat(support.TESTFN).st_gid
+        with self.assertRaises(PermissionError):
+            os.chown(support.TESTFN, uid_1, gid)
+            os.chown(support.TESTFN, uid_2, gid)
+
+    def tearDownClass():
+        os.rmdir(support.TESTFN)
+
+
 class RemoveDirsTests(unittest.TestCase):
     def setUp(self):
         os.makedirs(support.TESTFN)
@@ -1089,9 +1199,12 @@ class URandomTests(unittest.TestCase):
 
 
 HAVE_GETENTROPY = (sysconfig.get_config_var('HAVE_GETENTROPY') == 1)
+HAVE_GETRANDOM = (sysconfig.get_config_var('HAVE_GETRANDOM_SYSCALL') == 1)
 
 @unittest.skipIf(HAVE_GETENTROPY,
                  "getentropy() does not use a file descriptor")
+@unittest.skipIf(HAVE_GETRANDOM,
+                 "getrandom() does not use a file descriptor")
 class URandomFDTests(unittest.TestCase):
     @unittest.skipUnless(resource, "test requires the resource module")
     def test_urandom_failure(self):
@@ -1122,8 +1235,10 @@ class URandomFDTests(unittest.TestCase):
         code = """if 1:
             import os
             import sys
+            import test.support
             os.urandom(4)
-            os.closerange(3, 256)
+            with test.support.SuppressCrashReport():
+                os.closerange(3, 256)
             sys.stdout.buffer.write(os.urandom(4))
             """
         rc, out, err = assert_python_ok('-Sc', code)
@@ -1137,16 +1252,18 @@ class URandomFDTests(unittest.TestCase):
         code = """if 1:
             import os
             import sys
+            import test.support
             os.urandom(4)
-            for fd in range(3, 256):
-                try:
-                    os.close(fd)
-                except OSError:
-                    pass
-                else:
-                    # Found the urandom fd (XXX hopefully)
-                    break
-            os.closerange(3, 256)
+            with test.support.SuppressCrashReport():
+                for fd in range(3, 256):
+                    try:
+                        os.close(fd)
+                    except OSError:
+                        pass
+                    else:
+                        # Found the urandom fd (XXX hopefully)
+                        break
+                os.closerange(3, 256)
             with open({TESTFN!r}, 'rb') as f:
                 os.dup2(f.fileno(), fd)
                 sys.stdout.buffer.write(os.urandom(4))
@@ -1372,6 +1489,16 @@ class TestInvalidFD(unittest.TestCase):
     def test_writev(self):
         self.check(os.writev, [b'abc'])
 
+    def test_inheritable(self):
+        self.check(os.get_inheritable)
+        self.check(os.set_inheritable, True)
+
+    @unittest.skipUnless(hasattr(os, 'get_blocking'),
+                         'needs os.get_blocking() and os.set_blocking()')
+    def test_blocking(self):
+        self.check(os.get_blocking)
+        self.check(os.set_blocking, True)
+
 
 class LinkTests(unittest.TestCase):
     def setUp(self):
@@ -1819,6 +1946,37 @@ class Win32SymlinkTests(unittest.TestCase):
             shutil.rmtree(level1)
 
 
+@unittest.skipUnless(sys.platform == "win32", "Win32 specific tests")
+class Win32JunctionTests(unittest.TestCase):
+    junction = 'junctiontest'
+    junction_target = os.path.dirname(os.path.abspath(__file__))
+
+    def setUp(self):
+        assert os.path.exists(self.junction_target)
+        assert not os.path.exists(self.junction)
+
+    def tearDown(self):
+        if os.path.exists(self.junction):
+            # os.rmdir delegates to Windows' RemoveDirectoryW,
+            # which removes junction points safely.
+            os.rmdir(self.junction)
+
+    def test_create_junction(self):
+        _winapi.CreateJunction(self.junction_target, self.junction)
+        self.assertTrue(os.path.exists(self.junction))
+        self.assertTrue(os.path.isdir(self.junction))
+
+        # Junctions are not recognized as links.
+        self.assertFalse(os.path.islink(self.junction))
+
+    def test_unlink_removes_junction(self):
+        _winapi.CreateJunction(self.junction_target, self.junction)
+        self.assertTrue(os.path.exists(self.junction))
+
+        os.unlink(self.junction)
+        self.assertFalse(os.path.exists(self.junction))
+
+
 @support.skip_unless_symlink
 class NonLocalSymlinkTests(unittest.TestCase):
 
@@ -2025,11 +2183,13 @@ class TestSendfile(unittest.TestCase):
 
     @classmethod
     def setUpClass(cls):
+        cls.key = support.threading_setup()
         with open(support.TESTFN, "wb") as f:
             f.write(cls.DATA)
 
     @classmethod
     def tearDownClass(cls):
+        support.threading_cleanup(*cls.key)
         support.unlink(support.TESTFN)
 
     def setUp(self):
@@ -2556,42 +2716,251 @@ class FDInheritanceTests(unittest.TestCase):
         self.assertEqual(os.get_inheritable(slave_fd), False)
 
 
-@support.reap_threads
-def test_main():
-    support.run_unittest(
-        FileTests,
-        StatAttributeTests,
-        EnvironTests,
-        WalkTests,
-        FwalkTests,
-        MakedirTests,
-        DevNullTests,
-        URandomTests,
-        URandomFDTests,
-        ExecTests,
-        Win32ErrorTests,
-        TestInvalidFD,
-        PosixUidGidTests,
-        Pep383Tests,
-        Win32KillTests,
-        Win32ListdirTests,
-        Win32SymlinkTests,
-        NonLocalSymlinkTests,
-        FSEncodingTests,
-        DeviceEncodingTests,
-        PidTests,
-        LoginTests,
-        LinkTests,
-        TestSendfile,
-        ProgramPriorityTests,
-        ExtendedAttributeTests,
-        Win32DeprecatedBytesAPI,
-        TermsizeTests,
-        OSErrorTests,
-        RemoveDirsTests,
-        CPUCountTests,
-        FDInheritanceTests,
-    )
+@unittest.skipUnless(hasattr(os, 'get_blocking'),
+                     'needs os.get_blocking() and os.set_blocking()')
+class BlockingTests(unittest.TestCase):
+    def test_blocking(self):
+        fd = os.open(__file__, os.O_RDONLY)
+        self.addCleanup(os.close, fd)
+        self.assertEqual(os.get_blocking(fd), True)
+
+        os.set_blocking(fd, False)
+        self.assertEqual(os.get_blocking(fd), False)
+
+        os.set_blocking(fd, True)
+        self.assertEqual(os.get_blocking(fd), True)
+
+
+
+class ExportsTests(unittest.TestCase):
+    def test_os_all(self):
+        self.assertIn('open', os.__all__)
+        self.assertIn('walk', os.__all__)
+
+
+class TestScandir(unittest.TestCase):
+    def setUp(self):
+        self.path = os.path.realpath(support.TESTFN)
+        self.addCleanup(support.rmtree, self.path)
+        os.mkdir(self.path)
+
+    def create_file(self, name="file.txt"):
+        filename = os.path.join(self.path, name)
+        with open(filename, "wb") as fp:
+            fp.write(b'python')
+        return filename
+
+    def get_entries(self, names):
+        entries = dict((entry.name, entry)
+                       for entry in os.scandir(self.path))
+        self.assertEqual(sorted(entries.keys()), names)
+        return entries
+
+    def assert_stat_equal(self, stat1, stat2, skip_fields):
+        if skip_fields:
+            for attr in dir(stat1):
+                if not attr.startswith("st_"):
+                    continue
+                if attr in ("st_dev", "st_ino", "st_nlink"):
+                    continue
+                self.assertEqual(getattr(stat1, attr),
+                                 getattr(stat2, attr),
+                                 (stat1, stat2, attr))
+        else:
+            self.assertEqual(stat1, stat2)
+
+    def check_entry(self, entry, name, is_dir, is_file, is_symlink):
+        self.assertEqual(entry.name, name)
+        self.assertEqual(entry.path, os.path.join(self.path, name))
+        self.assertEqual(entry.inode(),
+                         os.stat(entry.path, follow_symlinks=False).st_ino)
+
+        entry_stat = os.stat(entry.path)
+        self.assertEqual(entry.is_dir(),
+                         stat.S_ISDIR(entry_stat.st_mode))
+        self.assertEqual(entry.is_file(),
+                         stat.S_ISREG(entry_stat.st_mode))
+        self.assertEqual(entry.is_symlink(),
+                         os.path.islink(entry.path))
+
+        entry_lstat = os.stat(entry.path, follow_symlinks=False)
+        self.assertEqual(entry.is_dir(follow_symlinks=False),
+                         stat.S_ISDIR(entry_lstat.st_mode))
+        self.assertEqual(entry.is_file(follow_symlinks=False),
+                         stat.S_ISREG(entry_lstat.st_mode))
+
+        self.assert_stat_equal(entry.stat(),
+                               entry_stat,
+                               os.name == 'nt' and not is_symlink)
+        self.assert_stat_equal(entry.stat(follow_symlinks=False),
+                               entry_lstat,
+                               os.name == 'nt')
+
+    def test_attributes(self):
+        link = hasattr(os, 'link')
+        symlink = support.can_symlink()
+
+        dirname = os.path.join(self.path, "dir")
+        os.mkdir(dirname)
+        filename = self.create_file("file.txt")
+        if link:
+            os.link(filename, os.path.join(self.path, "link_file.txt"))
+        if symlink:
+            os.symlink(dirname, os.path.join(self.path, "symlink_dir"),
+                       target_is_directory=True)
+            os.symlink(filename, os.path.join(self.path, "symlink_file.txt"))
+
+        names = ['dir', 'file.txt']
+        if link:
+            names.append('link_file.txt')
+        if symlink:
+            names.extend(('symlink_dir', 'symlink_file.txt'))
+        entries = self.get_entries(names)
+
+        entry = entries['dir']
+        self.check_entry(entry, 'dir', True, False, False)
+
+        entry = entries['file.txt']
+        self.check_entry(entry, 'file.txt', False, True, False)
+
+        if link:
+            entry = entries['link_file.txt']
+            self.check_entry(entry, 'link_file.txt', False, True, False)
+
+        if symlink:
+            entry = entries['symlink_dir']
+            self.check_entry(entry, 'symlink_dir', True, False, True)
+
+            entry = entries['symlink_file.txt']
+            self.check_entry(entry, 'symlink_file.txt', False, True, True)
+
+    def get_entry(self, name):
+        entries = list(os.scandir(self.path))
+        self.assertEqual(len(entries), 1)
+
+        entry = entries[0]
+        self.assertEqual(entry.name, name)
+        return entry
+
+    def create_file_entry(self):
+        filename = self.create_file()
+        return self.get_entry(os.path.basename(filename))
+
+    def test_current_directory(self):
+        filename = self.create_file()
+        old_dir = os.getcwd()
+        try:
+            os.chdir(self.path)
+
+            # call scandir() without parameter: it must list the content
+            # of the current directory
+            entries = dict((entry.name, entry) for entry in os.scandir())
+            self.assertEqual(sorted(entries.keys()),
+                             [os.path.basename(filename)])
+        finally:
+            os.chdir(old_dir)
+
+    def test_repr(self):
+        entry = self.create_file_entry()
+        self.assertEqual(repr(entry), "<DirEntry 'file.txt'>")
+
+    def test_removed_dir(self):
+        path = os.path.join(self.path, 'dir')
+
+        os.mkdir(path)
+        entry = self.get_entry('dir')
+        os.rmdir(path)
+
+        # On POSIX, is_dir() result depends if scandir() filled d_type or not
+        if os.name == 'nt':
+            self.assertTrue(entry.is_dir())
+        self.assertFalse(entry.is_file())
+        self.assertFalse(entry.is_symlink())
+        if os.name == 'nt':
+            self.assertRaises(FileNotFoundError, entry.inode)
+            # don't fail
+            entry.stat()
+            entry.stat(follow_symlinks=False)
+        else:
+            self.assertGreater(entry.inode(), 0)
+            self.assertRaises(FileNotFoundError, entry.stat)
+            self.assertRaises(FileNotFoundError, entry.stat, follow_symlinks=False)
+
+    def test_removed_file(self):
+        entry = self.create_file_entry()
+        os.unlink(entry.path)
+
+        self.assertFalse(entry.is_dir())
+        # On POSIX, is_dir() result depends if scandir() filled d_type or not
+        if os.name == 'nt':
+            self.assertTrue(entry.is_file())
+        self.assertFalse(entry.is_symlink())
+        if os.name == 'nt':
+            self.assertRaises(FileNotFoundError, entry.inode)
+            # don't fail
+            entry.stat()
+            entry.stat(follow_symlinks=False)
+        else:
+            self.assertGreater(entry.inode(), 0)
+            self.assertRaises(FileNotFoundError, entry.stat)
+            self.assertRaises(FileNotFoundError, entry.stat, follow_symlinks=False)
+
+    def test_broken_symlink(self):
+        if not support.can_symlink():
+            return self.skipTest('cannot create symbolic link')
+
+        filename = self.create_file("file.txt")
+        os.symlink(filename,
+                   os.path.join(self.path, "symlink.txt"))
+        entries = self.get_entries(['file.txt', 'symlink.txt'])
+        entry = entries['symlink.txt']
+        os.unlink(filename)
+
+        self.assertGreater(entry.inode(), 0)
+        self.assertFalse(entry.is_dir())
+        self.assertFalse(entry.is_file())  # broken symlink returns False
+        self.assertFalse(entry.is_dir(follow_symlinks=False))
+        self.assertFalse(entry.is_file(follow_symlinks=False))
+        self.assertTrue(entry.is_symlink())
+        self.assertRaises(FileNotFoundError, entry.stat)
+        # don't fail
+        entry.stat(follow_symlinks=False)
+
+    def test_bytes(self):
+        if os.name == "nt":
+            # On Windows, os.scandir(bytes) must raise an exception
+            self.assertRaises(TypeError, os.scandir, b'.')
+            return
+
+        self.create_file("file.txt")
+
+        path_bytes = os.fsencode(self.path)
+        entries = list(os.scandir(path_bytes))
+        self.assertEqual(len(entries), 1, entries)
+        entry = entries[0]
+
+        self.assertEqual(entry.name, b'file.txt')
+        self.assertEqual(entry.path,
+                         os.fsencode(os.path.join(self.path, 'file.txt')))
+
+    def test_empty_path(self):
+        self.assertRaises(FileNotFoundError, os.scandir, '')
+
+    def test_consume_iterator_twice(self):
+        self.create_file("file.txt")
+        iterator = os.scandir(self.path)
+
+        entries = list(iterator)
+        self.assertEqual(len(entries), 1, entries)
+
+        # check than consuming the iterator twice doesn't raise exception
+        entries2 = list(iterator)
+        self.assertEqual(len(entries2), 0, entries2)
+
+    def test_bad_path_type(self):
+        for obj in [1234, 1.234, {}, []]:
+            self.assertRaises(TypeError, os.scandir, obj)
+
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_osx_env.py b/Lib/test/test_osx_env.py
index d8eb981..8a3bc5a 100644
--- a/Lib/test/test_osx_env.py
+++ b/Lib/test/test_osx_env.py
@@ -2,7 +2,7 @@
 Test suite for OS X interpreter environment variables.
 """
 
-from test.support import EnvironmentVarGuard, run_unittest
+from test.support import EnvironmentVarGuard
 import subprocess
 import sys
 import sysconfig
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index e7968cc..2112821 100644
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -730,16 +730,5 @@ class OtherParserCase(unittest.TestCase):
         with self.assertRaises(TypeError):
             parser.expr("a", "b")
 
-def test_main():
-    support.run_unittest(
-        RoundtripLegalSyntaxTestCase,
-        IllegalSyntaxTestCase,
-        CompileTestCase,
-        ParserStackLimitTestCase,
-        STObjectTestCase,
-        OtherParserCase,
-    )
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pathlib.py b/Lib/test/test_pathlib.py
index 11420e2..1c53ab7 100644
--- a/Lib/test/test_pathlib.py
+++ b/Lib/test/test_pathlib.py
@@ -4,13 +4,10 @@ import os
 import errno
 import pathlib
 import pickle
-import shutil
 import socket
 import stat
-import sys
 import tempfile
 import unittest
-from contextlib import contextmanager
 
 from test import support
 TESTFN = support.TESTFN
@@ -747,7 +744,6 @@ class PureWindowsPathTest(_BasePurePathTest, unittest.TestCase):
         self.assertEqual(P('//Some/SHARE/a/B'), P('//somE/share/A/b'))
 
     def test_as_uri(self):
-        from urllib.parse import quote_from_bytes
         P = self.cls
         with self.assertRaises(ValueError):
             P('/a/b').as_uri()
@@ -1269,11 +1265,55 @@ class _BasePathTest(object):
         p = self.cls.cwd()
         self._test_cwd(p)
 
+    def _test_home(self, p):
+        q = self.cls(os.path.expanduser('~'))
+        self.assertEqual(p, q)
+        self.assertEqual(str(p), str(q))
+        self.assertIs(type(p), type(q))
+        self.assertTrue(p.is_absolute())
+
+    def test_home(self):
+        p = self.cls.home()
+        self._test_home(p)
+
+    def test_samefile(self):
+        fileA_path = os.path.join(BASE, 'fileA')
+        fileB_path = os.path.join(BASE, 'dirB', 'fileB')
+        p = self.cls(fileA_path)
+        pp = self.cls(fileA_path)
+        q = self.cls(fileB_path)
+        self.assertTrue(p.samefile(fileA_path))
+        self.assertTrue(p.samefile(pp))
+        self.assertFalse(p.samefile(fileB_path))
+        self.assertFalse(p.samefile(q))
+        # Test the non-existent file case
+        non_existent = os.path.join(BASE, 'foo')
+        r = self.cls(non_existent)
+        self.assertRaises(FileNotFoundError, p.samefile, r)
+        self.assertRaises(FileNotFoundError, p.samefile, non_existent)
+        self.assertRaises(FileNotFoundError, r.samefile, p)
+        self.assertRaises(FileNotFoundError, r.samefile, non_existent)
+        self.assertRaises(FileNotFoundError, r.samefile, r)
+        self.assertRaises(FileNotFoundError, r.samefile, non_existent)
+
     def test_empty_path(self):
         # The empty path points to '.'
         p = self.cls('')
         self.assertEqual(p.stat(), os.stat('.'))
 
+    def test_expanduser_common(self):
+        P = self.cls
+        p = P('~')
+        self.assertEqual(p.expanduser(), P(os.path.expanduser('~')))
+        p = P('foo')
+        self.assertEqual(p.expanduser(), p)
+        p = P('/~')
+        self.assertEqual(p.expanduser(), p)
+        p = P('../~')
+        self.assertEqual(p.expanduser(), p)
+        p = P(P('').absolute().anchor) / '~'
+        self.assertEqual(p.expanduser(), p)
+
     def test_exists(self):
         P = self.cls
         p = P(BASE)
@@ -1301,6 +1341,23 @@ class _BasePathTest(object):
             self.assertIsInstance(f, io.RawIOBase)
             self.assertEqual(f.read().strip(), b"this is file A")
 
+    def test_read_write_bytes(self):
+        p = self.cls(BASE)
+        (p / 'fileA').write_bytes(b'abcdefg')
+        self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
+        # check that trying to write str does not truncate the file
+        self.assertRaises(TypeError, (p / 'fileA').write_bytes, 'somestr')
+        self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
+
+    def test_read_write_text(self):
+        p = self.cls(BASE)
+        (p / 'fileA').write_text('äbcdefg', encoding='latin-1')
+        self.assertEqual((p / 'fileA').read_text(
+            encoding='utf-8', errors='ignore'), 'bcdefg')
+        # check that trying to write bytes does not truncate the file
+        self.assertRaises(TypeError, (p / 'fileA').write_text, b'somebytes')
+        self.assertEqual((p / 'fileA').read_text(encoding='latin-1'), 'äbcdefg')
+
     def test_iterdir(self):
         P = self.cls
         p = P(BASE)
@@ -1604,6 +1661,59 @@ class _BasePathTest(object):
         # the parent's permissions follow the default process settings
         self.assertEqual(stat.S_IMODE(p.parent.stat().st_mode), mode)
 
+    def test_mkdir_exist_ok(self):
+        p = self.cls(BASE, 'dirB')
+        st_ctime_first = p.stat().st_ctime
+        self.assertTrue(p.exists())
+        self.assertTrue(p.is_dir())
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir()
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+        p.mkdir(exist_ok=True)
+        self.assertTrue(p.exists())
+        self.assertEqual(p.stat().st_ctime, st_ctime_first)
+
+    def test_mkdir_exist_ok_with_parent(self):
+        p = self.cls(BASE, 'dirC')
+        self.assertTrue(p.exists())
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir()
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+        p = p / 'newdirC'
+        p.mkdir(parents=True)
+        st_ctime_first = p.stat().st_ctime
+        self.assertTrue(p.exists())
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir(parents=True)
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+        p.mkdir(parents=True, exist_ok=True)
+        self.assertTrue(p.exists())
+        self.assertEqual(p.stat().st_ctime, st_ctime_first)
+
+    def test_mkdir_with_child_file(self):
+        p = self.cls(BASE, 'dirB', 'fileB')
+        self.assertTrue(p.exists())
+        # An exception is raised when the last path component is an existing
+        # regular file, regardless of whether exist_ok is true or not.
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir(parents=True)
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir(parents=True, exist_ok=True)
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+
+    def test_mkdir_no_parents_file(self):
+        p = self.cls(BASE, 'fileA')
+        self.assertTrue(p.exists())
+        # An exception is raised when the last path component is an existing
+        # regular file, regardless of whether exist_ok is true or not.
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir()
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+        with self.assertRaises(FileExistsError) as cm:
+            p.mkdir(exist_ok=True)
+        self.assertEqual(cm.exception.errno, errno.EEXIST)
+
     @with_symlinks
     def test_symlink_to(self):
         P = self.cls(BASE)
@@ -1846,7 +1956,6 @@ class PosixPathTest(_BasePathTest, unittest.TestCase):
     @with_symlinks
     def test_resolve_loop(self):
         # Loop detection for broken symlinks under POSIX
-        P = self.cls
         # Loops with relative symlinks
         os.symlink('linkX/inside', join('linkX'))
         self._check_symlink_loop(BASE, 'linkX')
@@ -1878,6 +1987,48 @@ class PosixPathTest(_BasePathTest, unittest.TestCase):
         self.assertEqual(given, expect)
         self.assertEqual(set(p.rglob("FILEd*")), set())
 
+    def test_expanduser(self):
+        P = self.cls
+        support.import_module('pwd')
+        import pwd
+        pwdent = pwd.getpwuid(os.getuid())
+        username = pwdent.pw_name
+        userhome = pwdent.pw_dir.rstrip('/')
+        # find arbitrary different user (if exists)
+        for pwdent in pwd.getpwall():
+            othername = pwdent.pw_name
+            otherhome = pwdent.pw_dir.rstrip('/')
+            if othername != username and otherhome:
+                break
+
+        p1 = P('~/Documents')
+        p2 = P('~' + username + '/Documents')
+        p3 = P('~' + othername + '/Documents')
+        p4 = P('../~' + username + '/Documents')
+        p5 = P('/~' + username + '/Documents')
+        p6 = P('')
+        p7 = P('~fakeuser/Documents')
+
+        with support.EnvironmentVarGuard() as env:
+            env.pop('HOME', None)
+
+            self.assertEqual(p1.expanduser(), P(userhome) / 'Documents')
+            self.assertEqual(p2.expanduser(), P(userhome) / 'Documents')
+            self.assertEqual(p3.expanduser(), P(otherhome) / 'Documents')
+            self.assertEqual(p4.expanduser(), p4)
+            self.assertEqual(p5.expanduser(), p5)
+            self.assertEqual(p6.expanduser(), p6)
+            self.assertRaises(RuntimeError, p7.expanduser)
+
+            env['HOME'] = '/tmp'
+            self.assertEqual(p1.expanduser(), P('/tmp/Documents'))
+            self.assertEqual(p2.expanduser(), P(userhome) / 'Documents')
+            self.assertEqual(p3.expanduser(), P(otherhome) / 'Documents')
+            self.assertEqual(p4.expanduser(), p4)
+            self.assertEqual(p5.expanduser(), p5)
+            self.assertEqual(p6.expanduser(), p6)
+            self.assertRaises(RuntimeError, p7.expanduser)
+
 
 @only_nt
 class WindowsPathTest(_BasePathTest, unittest.TestCase):
@@ -1893,6 +2044,61 @@ class WindowsPathTest(_BasePathTest, unittest.TestCase):
         p = P(BASE, "dirC")
         self.assertEqual(set(p.rglob("FILEd")), { P(BASE, "dirC/dirD/fileD") })
 
+    def test_expanduser(self):
+        P = self.cls
+        with support.EnvironmentVarGuard() as env:
+            env.pop('HOME', None)
+            env.pop('USERPROFILE', None)
+            env.pop('HOMEPATH', None)
+            env.pop('HOMEDRIVE', None)
+            env['USERNAME'] = 'alice'
+
+            # test that the path returns unchanged
+            p1 = P('~/My Documents')
+            p2 = P('~alice/My Documents')
+            p3 = P('~bob/My Documents')
+            p4 = P('/~/My Documents')
+            p5 = P('d:~/My Documents')
+            p6 = P('')
+            self.assertRaises(RuntimeError, p1.expanduser)
+            self.assertRaises(RuntimeError, p2.expanduser)
+            self.assertRaises(RuntimeError, p3.expanduser)
+            self.assertEqual(p4.expanduser(), p4)
+            self.assertEqual(p5.expanduser(), p5)
+            self.assertEqual(p6.expanduser(), p6)
+
+            def check():
+                env.pop('USERNAME', None)
+                self.assertEqual(p1.expanduser(),
+                                 P('C:/Users/alice/My Documents'))
+                self.assertRaises(KeyError, p2.expanduser)
+                env['USERNAME'] = 'alice'
+                self.assertEqual(p2.expanduser(),
+                                 P('C:/Users/alice/My Documents'))
+                self.assertEqual(p3.expanduser(),
+                                 P('C:/Users/bob/My Documents'))
+                self.assertEqual(p4.expanduser(), p4)
+                self.assertEqual(p5.expanduser(), p5)
+                self.assertEqual(p6.expanduser(), p6)
+
+            # test the first lookup key in the env vars
+            env['HOME'] = 'C:\\Users\\alice'
+            check()
+
+            # test that HOMEPATH is available instead
+            env.pop('HOME', None)
+            env['HOMEPATH'] = 'C:\\Users\\alice'
+            check()
+
+            env['HOMEDRIVE'] = 'C:\\'
+            env['HOMEPATH'] = 'Users\\alice'
+            check()
+
+            env.pop('HOMEDRIVE', None)
+            env.pop('HOMEPATH', None)
+            env['USERPROFILE'] = 'C:\\Users\\alice'
+            check()
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_peepholer.py b/Lib/test/test_peepholer.py
index 5025792..41e5091 100644
--- a/Lib/test/test_peepholer.py
+++ b/Lib/test/test_peepholer.py
@@ -319,21 +319,5 @@ class TestBuglets(unittest.TestCase):
             f()
 
 
-def test_main(verbose=None):
-    import sys
-    from test import support
-    test_classes = (TestTranforms, TestBuglets)
-    support.run_unittest(*test_classes)
-
-    # verify reference counting
-    if verbose and hasattr(sys, 'gettotalrefcount'):
-        import gc
-        counts = [None] * 5
-        for i in range(len(counts)):
-            support.run_unittest(*test_classes)
-            gc.collect()
-            counts[i] = sys.gettotalrefcount()
-        print(counts)
-
 if __name__ == "__main__":
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_pep247.py b/Lib/test/test_pep247.py
index b85a26a..ab5f4189 100644
--- a/Lib/test/test_pep247.py
+++ b/Lib/test/test_pep247.py
@@ -6,7 +6,6 @@ for hashing algorithms
 import hmac
 import unittest
 from hashlib import md5, sha1, sha224, sha256, sha384, sha512
-from test import support
 
 class Pep247Test(unittest.TestCase):
 
@@ -63,8 +62,5 @@ class Pep247Test(unittest.TestCase):
     def test_hmac(self):
         self.check_module(hmac, key=b'abc')
 
-def test_main():
-    support.run_unittest(Pep247Test)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pep292.py b/Lib/test/test_pep292.py
index fd5256c..1e5e227 100644
--- a/Lib/test/test_pep292.py
+++ b/Lib/test/test_pep292.py
@@ -244,11 +244,5 @@ class TestTemplate(unittest.TestCase):
                          'tim likes to eat a bag of ham worth $100')
 
 
-def test_main():
-    from test import support
-    test_classes = [TestTemplate,]
-    support.run_unittest(*test_classes)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pep3120.py b/Lib/test/test_pep3120.py
index 5b63998..97dced8 100644
--- a/Lib/test/test_pep3120.py
+++ b/Lib/test/test_pep3120.py
@@ -1,7 +1,6 @@
 # This file is marked as binary in the CVS, to prevent MacCVS from recoding it.
 
 import unittest
-from test import support
 
 class PEP3120Test(unittest.TestCase):
 
@@ -40,8 +39,5 @@ class BuiltinCompileTests(unittest.TestCase):
         self.assertEqual('Ç', ns['u'])
 
 
-def test_main():
-    support.run_unittest(PEP3120Test, BuiltinCompileTests)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_pep3131.py b/Lib/test/test_pep3131.py
index 2e6b90a..0679845 100644
--- a/Lib/test/test_pep3131.py
+++ b/Lib/test/test_pep3131.py
@@ -1,6 +1,5 @@
 import unittest
 import sys
-from test import support
 
 class PEP3131Test(unittest.TestCase):
 
@@ -28,8 +27,5 @@ class PEP3131Test(unittest.TestCase):
         else:
             self.fail("expected exception didn't occur")
 
-def test_main():
-    support.run_unittest(PEP3131Test)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_pep3151.py b/Lib/test/test_pep3151.py
index 7d4a5d8..8d560cd 100644
--- a/Lib/test/test_pep3151.py
+++ b/Lib/test/test_pep3151.py
@@ -7,7 +7,6 @@ import unittest
 import errno
 from errno import EEXIST
 
-from test import support
 
 class SubOSError(OSError):
     pass
@@ -202,8 +201,5 @@ class ExplicitSubclassingTest(unittest.TestCase):
         self.assertEqual(str(e), '')
 
 
-def test_main():
-    support.run_unittest(__name__)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_pep380.py b/Lib/test/test_pep380.py
index 69194df..23ffbed 100644
--- a/Lib/test/test_pep380.py
+++ b/Lib/test/test_pep380.py
@@ -1013,11 +1013,5 @@ class TestPEP380Operation(unittest.TestCase):
         self.assertEqual(v, (1, 2, 3, 4))
 
 
-def test_main():
-    from test import support
-    test_classes = [TestPEP380Operation]
-    support.run_unittest(*test_classes)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pkg.py b/Lib/test/test_pkg.py
index 9883000..532e8fe 100644
--- a/Lib/test/test_pkg.py
+++ b/Lib/test/test_pkg.py
@@ -291,9 +291,5 @@ class TestPkg(unittest.TestCase):
         import t8
         self.assertEqual(t8.__doc__, "doc for t8")
 
-def test_main():
-    support.run_unittest(__name__)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pkgimport.py b/Lib/test/test_pkgimport.py
index 370b2aa..5d9a451 100644
--- a/Lib/test/test_pkgimport.py
+++ b/Lib/test/test_pkgimport.py
@@ -7,7 +7,7 @@ import tempfile
 import unittest
 
 from importlib.util import cache_from_source
-from test.support import run_unittest, create_empty_file
+from test.support import create_empty_file
 
 class TestImport(unittest.TestCase):
 
@@ -76,9 +76,5 @@ class TestImport(unittest.TestCase):
         self.assertEqual(getattr(module, var), 1)
 
 
-def test_main():
-    run_unittest(TestImport)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pkgutil.py b/Lib/test/test_pkgutil.py
index e0c8635de..57ebf1f 100644
--- a/Lib/test/test_pkgutil.py
+++ b/Lib/test/test_pkgutil.py
@@ -104,6 +104,9 @@ class PkgutilTests(unittest.TestCase):
 class PkgutilPEP302Tests(unittest.TestCase):
 
     class MyTestLoader(object):
+        def create_module(self, spec):
+            return None
+
         def exec_module(self, mod):
             # Count how many times the module is reloaded
             mod.__dict__['loads'] = mod.__dict__.get('loads', 0) + 1
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index b3de43b..ededbdb 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -307,7 +307,7 @@ class PlatformTest(unittest.TestCase):
             with mock.patch('platform._UNIXCONFDIR', tempdir):
                 distname, version, distid = platform.linux_distribution()
 
-            self.assertEqual(distname, 'Fedora')
+                self.assertEqual(distname, 'Fedora')
             self.assertEqual(version, '19')
             self.assertEqual(distid, 'Schr\xf6dinger\u2019s Cat')
 
diff --git a/Lib/test/test_popen.py b/Lib/test/test_popen.py
index 225e41f..8958db0 100644
--- a/Lib/test/test_popen.py
+++ b/Lib/test/test_popen.py
@@ -57,8 +57,5 @@ class PopenTest(unittest.TestCase):
         with os.popen("echo hello") as f:
             self.assertEqual(list(f), ["hello\n"])
 
-def test_main():
-    support.run_unittest(PopenTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_poplib.py b/Lib/test/test_poplib.py
index 8a3c9f4..14a519d 100644
--- a/Lib/test/test_poplib.py
+++ b/Lib/test/test_poplib.py
@@ -345,23 +345,18 @@ class TestPOP3Class(TestCase):
 
 
 if SUPPORTS_SSL:
+    from test.test_ftplib import SSLConnection
 
-    class DummyPOP3_SSLHandler(DummyPOP3Handler):
+    class DummyPOP3_SSLHandler(SSLConnection, DummyPOP3Handler):
 
         def __init__(self, conn):
             asynchat.async_chat.__init__(self, conn)
-            ssl_socket = ssl.wrap_socket(self.socket, certfile=CERTFILE,
-                                          server_side=True,
-                                          do_handshake_on_connect=False)
-            self.del_channel()
-            self.set_socket(ssl_socket)
-            # Must try handshake before calling push()
-            self.tls_active = True
-            self.tls_starting = True
-            self._do_tls_handshake()
+            self.secure_connection()
             self.set_terminator(b"\r\n")
             self.in_buffer = []
             self.push('+OK dummy pop3 server ready. <timestamp>')
+            self.tls_active = True
+            self.tls_starting = False
 
 
 @requires_ssl
@@ -452,7 +447,7 @@ class TestTimeouts(TestCase):
         del self.thread  # Clear out any dangling Thread objects.
 
     def server(self, evt, serv):
-        serv.listen(5)
+        serv.listen()
         evt.set()
         try:
             conn, addr = serv.accept()
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index aeb8924..77e5b0c4 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -9,7 +9,6 @@ import errno
 import sys
 import time
 import os
-import fcntl
 import platform
 import pwd
 import shutil
@@ -355,7 +354,7 @@ class PosixTester(unittest.TestCase):
     def test_oscloexec(self):
         fd = os.open(support.TESTFN, os.O_RDONLY|os.O_CLOEXEC)
         self.addCleanup(os.close, fd)
-        self.assertTrue(fcntl.fcntl(fd, fcntl.F_GETFD) & fcntl.FD_CLOEXEC)
+        self.assertFalse(os.get_inheritable(fd))
 
     @unittest.skipUnless(hasattr(posix, 'O_EXLOCK'),
                          'test needs posix.O_EXLOCK')
@@ -635,8 +634,8 @@ class PosixTester(unittest.TestCase):
         self.addCleanup(os.close, w)
         self.assertFalse(os.get_inheritable(r))
         self.assertFalse(os.get_inheritable(w))
-        self.assertTrue(fcntl.fcntl(r, fcntl.F_GETFL) & os.O_NONBLOCK)
-        self.assertTrue(fcntl.fcntl(w, fcntl.F_GETFL) & os.O_NONBLOCK)
+        self.assertFalse(os.get_blocking(r))
+        self.assertFalse(os.get_blocking(w))
         # try reading from an empty pipe: this should fail, not block
         self.assertRaises(OSError, os.read, r, 1)
         # try a write big enough to fill-up the pipe: this should either
@@ -1176,16 +1175,16 @@ class PosixTester(unittest.TestCase):
         support.unlink(fn)
         fd = None
         try:
-            with self.assertRaises(TypeError):
+            with self.assertRaises(ValueError):
                 fd = os.open(fn_with_NUL, os.O_WRONLY | os.O_CREAT) # raises
         finally:
             if fd is not None:
                 os.close(fd)
         self.assertFalse(os.path.exists(fn))
-        self.assertRaises(TypeError, os.mkdir, fn_with_NUL)
+        self.assertRaises(ValueError, os.mkdir, fn_with_NUL)
         self.assertFalse(os.path.exists(fn))
         open(fn, 'wb').close()
-        self.assertRaises(TypeError, os.stat, fn_with_NUL)
+        self.assertRaises(ValueError, os.stat, fn_with_NUL)
 
     def test_path_with_null_byte(self):
         fn = os.fsencode(support.TESTFN)
diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py
index ec2fbae..ece3555 100644
--- a/Lib/test/test_posixpath.py
+++ b/Lib/test/test_posixpath.py
@@ -57,18 +57,6 @@ class PosixPathTest(unittest.TestCase):
         self.assertEqual(posixpath.join(b"/foo/", b"bar/", b"baz/"),
                          b"/foo/bar/baz/")
 
-    def test_join_errors(self):
-        # Check posixpath.join raises friendly TypeErrors.
-        errmsg = "Can't mix strings and bytes in path components"
-        with self.assertRaisesRegex(TypeError, errmsg):
-            posixpath.join(b'bytes', 'str')
-        with self.assertRaisesRegex(TypeError, errmsg):
-            posixpath.join('str', b'bytes')
-        # regression, see #15377
-        with self.assertRaises(TypeError) as cm:
-            posixpath.join(None, 'str')
-        self.assertNotEqual(cm.exception.args[0], errmsg)
-
     def test_split(self):
         self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar"))
         self.assertEqual(posixpath.split("/"), ("/", ""))
@@ -534,6 +522,60 @@ class PosixPathTest(unittest.TestCase):
         finally:
             os.getcwdb = real_getcwdb
 
+    def test_commonpath(self):
+        def check(paths, expected):
+            self.assertEqual(posixpath.commonpath(paths), expected)
+            self.assertEqual(posixpath.commonpath([os.fsencode(p) for p in paths]),
+                             os.fsencode(expected))
+        def check_error(exc, paths):
+            self.assertRaises(exc, posixpath.commonpath, paths)
+            self.assertRaises(exc, posixpath.commonpath,
+                              [os.fsencode(p) for p in paths])
+
+        self.assertRaises(ValueError, posixpath.commonpath, [])
+        check_error(ValueError, ['/usr', 'usr'])
+        check_error(ValueError, ['usr', '/usr'])
+
+        check(['/usr/local'], '/usr/local')
+        check(['/usr/local', '/usr/local'], '/usr/local')
+        check(['/usr/local/', '/usr/local'], '/usr/local')
+        check(['/usr/local/', '/usr/local/'], '/usr/local')
+        check(['/usr//local', '//usr/local'], '/usr/local')
+        check(['/usr/./local', '/./usr/local'], '/usr/local')
+        check(['/', '/dev'], '/')
+        check(['/usr', '/dev'], '/')
+        check(['/usr/lib/', '/usr/lib/python3'], '/usr/lib')
+        check(['/usr/lib/', '/usr/lib64/'], '/usr')
+
+        check(['/usr/lib', '/usr/lib64'], '/usr')
+        check(['/usr/lib/', '/usr/lib64'], '/usr')
+
+        check(['spam'], 'spam')
+        check(['spam', 'spam'], 'spam')
+        check(['spam', 'alot'], '')
+        check(['and/jam', 'and/spam'], 'and')
+        check(['and//jam', 'and/spam//'], 'and')
+        check(['and/./jam', './and/spam'], 'and')
+        check(['and/jam', 'and/spam', 'alot'], '')
+        check(['and/jam', 'and/spam', 'and'], 'and')
+
+        check([''], '')
+        check(['', 'spam/alot'], '')
+        check_error(ValueError, ['', '/spam/alot'])
+
+        self.assertRaises(TypeError, posixpath.commonpath,
+                          [b'/usr/lib/', '/usr/lib/python3'])
+        self.assertRaises(TypeError, posixpath.commonpath,
+                          [b'/usr/lib/', 'usr/lib/python3'])
+        self.assertRaises(TypeError, posixpath.commonpath,
+                          [b'usr/lib/', '/usr/lib/python3'])
+        self.assertRaises(TypeError, posixpath.commonpath,
+                          ['/usr/lib/', b'/usr/lib/python3'])
+        self.assertRaises(TypeError, posixpath.commonpath,
+                          ['/usr/lib/', b'usr/lib/python3'])
+        self.assertRaises(TypeError, posixpath.commonpath,
+                          ['usr/lib/', b'/usr/lib/python3'])
+
 
 class PosixCommonTest(test_genericpath.CommonTest, unittest.TestCase):
     pathmodule = posixpath
diff --git a/Lib/test/test_pow.py b/Lib/test/test_pow.py
index 20b1066..6feac40 100644
--- a/Lib/test/test_pow.py
+++ b/Lib/test/test_pow.py
@@ -122,8 +122,5 @@ class PowTest(unittest.TestCase):
             eq(pow(a, -fiveto), expected)
         eq(expected, 1.0)   # else we didn't push fiveto to evenness
 
-def test_main():
-    test.support.run_unittest(PowTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pprint.py b/Lib/test/test_pprint.py
index ad6a7a1..ef2a8a5 100644
--- a/Lib/test/test_pprint.py
+++ b/Lib/test/test_pprint.py
@@ -1,12 +1,14 @@
 # -*- coding: utf-8 -*-
 
+import collections
+import io
+import itertools
 import pprint
+import random
 import test.support
-import unittest
 import test.test_set
-import random
-import collections
-import itertools
+import types
+import unittest
 
 # list, tuple and dict subclasses that do or don't overwrite __repr__
 class list2(list):
@@ -48,6 +50,25 @@ class Unorderable:
     def __repr__(self):
         return str(id(self))
 
+# Class Orderable is orderable with any type
+class Orderable:
+    def __init__(self, hash):
+        self._hash = hash
+    def __lt__(self, other):
+        return False
+    def __gt__(self, other):
+        return self != other
+    def __le__(self, other):
+        return self == other
+    def __ge__(self, other):
+        return True
+    def __eq__(self, other):
+        return self is other
+    def __ne__(self, other):
+        return self is not other
+    def __hash__(self):
+        return self._hash
+
 class QueryTestCase(unittest.TestCase):
 
     def setUp(self):
@@ -55,6 +76,18 @@ class QueryTestCase(unittest.TestCase):
         self.b = list(range(200))
         self.a[-12] = self.b
 
+    def test_init(self):
+        pp = pprint.PrettyPrinter()
+        pp = pprint.PrettyPrinter(indent=4, width=40, depth=5,
+                                  stream=io.StringIO(), compact=True)
+        pp = pprint.PrettyPrinter(4, 40, 5, io.StringIO())
+        with self.assertRaises(TypeError):
+            pp = pprint.PrettyPrinter(4, 40, 5, io.StringIO(), True)
+        self.assertRaises(ValueError, pprint.PrettyPrinter, indent=-1)
+        self.assertRaises(ValueError, pprint.PrettyPrinter, depth=0)
+        self.assertRaises(ValueError, pprint.PrettyPrinter, depth=-1)
+        self.assertRaises(ValueError, pprint.PrettyPrinter, width=0)
+
     def test_basic(self):
         # Verify .isrecursive() and .isreadable() w/o recursion
         pp = pprint.PrettyPrinter()
@@ -192,10 +225,52 @@ class QueryTestCase(unittest.TestCase):
         o = [o1, o2]
         expected = """\
 [   [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+    {'first': 1, 'second': 2, 'third': 3}]"""
+        self.assertEqual(pprint.pformat(o, indent=4, width=42), expected)
+        expected = """\
+[   [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
     {   'first': 1,
         'second': 2,
         'third': 3}]"""
-        self.assertEqual(pprint.pformat(o, indent=4, width=42), expected)
+        self.assertEqual(pprint.pformat(o, indent=4, width=41), expected)
+
+    def test_width(self):
+        expected = """\
+[[[[[[1, 2, 3],
+     '1 2']]]],
+ {1: [1, 2, 3],
+  2: [12, 34]},
+ 'abc def ghi',
+ ('ab cd ef',),
+ set2({1, 23}),
+ [[[[[1, 2, 3],
+     '1 2']]]]]"""
+        o = eval(expected)
+        self.assertEqual(pprint.pformat(o, width=15), expected)
+        self.assertEqual(pprint.pformat(o, width=16), expected)
+        self.assertEqual(pprint.pformat(o, width=25), expected)
+        self.assertEqual(pprint.pformat(o, width=14), """\
+[[[[[[1,
+      2,
+      3],
+     '1 '
+     '2']]]],
+ {1: [1,
+      2,
+      3],
+  2: [12,
+      34]},
+ 'abc def '
+ 'ghi',
+ ('ab cd '
+  'ef',),
+ set2({1,
+       23}),
+ [[[[[1,
+      2,
+      3],
+     '1 '
+     '2']]]]]""")
 
     def test_sorted_dict(self):
         # Starting in Python 2.5, pprint sorts dict displays by key regardless
@@ -216,19 +291,51 @@ class QueryTestCase(unittest.TestCase):
             r"{5: [[]], 'xy\tab\n': (3,), (): {}}")
 
     def test_ordered_dict(self):
+        d = collections.OrderedDict()
+        self.assertEqual(pprint.pformat(d, width=1), 'OrderedDict()')
+        d = collections.OrderedDict([])
+        self.assertEqual(pprint.pformat(d, width=1), 'OrderedDict()')
         words = 'the quick brown fox jumped over a lazy dog'.split()
         d = collections.OrderedDict(zip(words, itertools.count()))
         self.assertEqual(pprint.pformat(d),
 """\
-{'the': 0,
- 'quick': 1,
- 'brown': 2,
- 'fox': 3,
- 'jumped': 4,
- 'over': 5,
- 'a': 6,
- 'lazy': 7,
- 'dog': 8}""")
+OrderedDict([('the', 0),
+             ('quick', 1),
+             ('brown', 2),
+             ('fox', 3),
+             ('jumped', 4),
+             ('over', 5),
+             ('a', 6),
+             ('lazy', 7),
+             ('dog', 8)])""")
+
+    def test_mapping_proxy(self):
+        words = 'the quick brown fox jumped over a lazy dog'.split()
+        d = dict(zip(words, itertools.count()))
+        m = types.MappingProxyType(d)
+        self.assertEqual(pprint.pformat(m), """\
+mappingproxy({'a': 6,
+              'brown': 2,
+              'dog': 8,
+              'fox': 3,
+              'jumped': 4,
+              'lazy': 7,
+              'over': 5,
+              'quick': 1,
+              'the': 0})""")
+        d = collections.OrderedDict(zip(words, itertools.count()))
+        m = types.MappingProxyType(d)
+        self.assertEqual(pprint.pformat(m), """\
+mappingproxy(OrderedDict([('the', 0),
+                          ('quick', 1),
+                          ('brown', 2),
+                          ('fox', 3),
+                          ('jumped', 4),
+                          ('over', 5),
+                          ('a', 6),
+                          ('lazy', 7),
+                          ('dog', 8)]))""")
+
     def test_subclassing(self):
         o = {'names with spaces': 'should be presented using repr()',
              'others.should.not.be': 'like.this'}
@@ -532,16 +639,35 @@ frozenset2({0,
         self.assertEqual(pprint.pformat(dict.fromkeys(keys, 0)),
                          '{%r: 0, %r: 0}' % tuple(sorted(keys, key=id)))
 
+    def test_sort_orderable_and_unorderable_values(self):
+        # Issue 22721:  sorted pprints is not stable
+        a = Unorderable()
+        b = Orderable(hash(a))  # should have the same hash value
+        # self-test
+        self.assertLess(a, b)
+        self.assertLess(str(type(b)), str(type(a)))
+        self.assertEqual(sorted([b, a]), [a, b])
+        self.assertEqual(sorted([a, b]), [a, b])
+        # set
+        self.assertEqual(pprint.pformat(set([b, a]), width=1),
+                         '{%r,\n %r}' % (a, b))
+        self.assertEqual(pprint.pformat(set([a, b]), width=1),
+                         '{%r,\n %r}' % (a, b))
+        # dict
+        self.assertEqual(pprint.pformat(dict.fromkeys([b, a]), width=1),
+                         '{%r: None,\n %r: None}' % (a, b))
+        self.assertEqual(pprint.pformat(dict.fromkeys([a, b]), width=1),
+                         '{%r: None,\n %r: None}' % (a, b))
+
     def test_str_wrap(self):
         # pprint tries to wrap strings intelligently
         fox = 'the quick brown fox jumped over a lazy dog'
-        self.assertEqual(pprint.pformat(fox, width=20), """\
-('the quick '
- 'brown fox '
- 'jumped over a '
- 'lazy dog')""")
+        self.assertEqual(pprint.pformat(fox, width=19), """\
+('the quick brown '
+ 'fox jumped over '
+ 'a lazy dog')""")
         self.assertEqual(pprint.pformat({'a': 1, 'b': fox, 'c': 2},
-                                        width=26), """\
+                                        width=25), """\
 {'a': 1,
  'b': 'the quick brown '
       'fox jumped over '
@@ -553,12 +679,34 @@ frozenset2({0,
         # - non-ASCII is allowed
         # - an apostrophe doesn't disrupt the pprint
         special = "Portons dix bons \"whiskys\"\nà l'avocat goujat\t qui fumait au zoo"
-        self.assertEqual(pprint.pformat(special, width=21), """\
-('Portons dix '
- 'bons "whiskys"\\n'
+        self.assertEqual(pprint.pformat(special, width=68), repr(special))
+        self.assertEqual(pprint.pformat(special, width=31), """\
+('Portons dix bons "whiskys"\\n'
+ "à l'avocat goujat\\t qui "
+ 'fumait au zoo')""")
+        self.assertEqual(pprint.pformat(special, width=20), """\
+('Portons dix bons '
+ '"whiskys"\\n'
  "à l'avocat "
  'goujat\\t qui '
  'fumait au zoo')""")
+        self.assertEqual(pprint.pformat([[[[[special]]]]], width=35), """\
+[[[[['Portons dix bons "whiskys"\\n'
+     "à l'avocat goujat\\t qui "
+     'fumait au zoo']]]]]""")
+        self.assertEqual(pprint.pformat([[[[[special]]]]], width=25), """\
+[[[[['Portons dix bons '
+     '"whiskys"\\n'
+     "à l'avocat "
+     'goujat\\t qui '
+     'fumait au zoo']]]]]""")
+        self.assertEqual(pprint.pformat([[[[[special]]]]], width=23), """\
+[[[[['Portons dix '
+     'bons "whiskys"\\n'
+     "à l'avocat "
+     'goujat\\t qui '
+     'fumait au '
+     'zoo']]]]]""")
         # An unwrappable string is formatted as its repr
         unwrappable = "x" * 100
         self.assertEqual(pprint.pformat(unwrappable, width=80), repr(unwrappable))
@@ -581,7 +729,119 @@ frozenset2({0,
   14, 15],
  [], [0], [0, 1], [0, 1, 2], [0, 1, 2, 3],
  [0, 1, 2, 3, 4]]"""
-        self.assertEqual(pprint.pformat(o, width=48, compact=True), expected)
+        self.assertEqual(pprint.pformat(o, width=47, compact=True), expected)
+
+    def test_compact_width(self):
+        levels = 20
+        number = 10
+        o = [0] * number
+        for i in range(levels - 1):
+            o = [o]
+        for w in range(levels * 2 + 1, levels + 3 * number - 1):
+            lines = pprint.pformat(o, width=w, compact=True).splitlines()
+            maxwidth = max(map(len, lines))
+            self.assertLessEqual(maxwidth, w)
+            self.assertGreater(maxwidth, w - 3)
+
+    def test_bytes_wrap(self):
+        self.assertEqual(pprint.pformat(b'', width=1), "b''")
+        self.assertEqual(pprint.pformat(b'abcd', width=1), "b'abcd'")
+        letters = b'abcdefghijklmnopqrstuvwxyz'
+        self.assertEqual(pprint.pformat(letters, width=29), repr(letters))
+        self.assertEqual(pprint.pformat(letters, width=19), """\
+(b'abcdefghijkl'
+ b'mnopqrstuvwxyz')""")
+        self.assertEqual(pprint.pformat(letters, width=18), """\
+(b'abcdefghijkl'
+ b'mnopqrstuvwx'
+ b'yz')""")
+        self.assertEqual(pprint.pformat(letters, width=16), """\
+(b'abcdefghijkl'
+ b'mnopqrstuvwx'
+ b'yz')""")
+        special = bytes(range(16))
+        self.assertEqual(pprint.pformat(special, width=61), repr(special))
+        self.assertEqual(pprint.pformat(special, width=48), """\
+(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'
+ b'\\x0c\\r\\x0e\\x0f')""")
+        self.assertEqual(pprint.pformat(special, width=32), """\
+(b'\\x00\\x01\\x02\\x03'
+ b'\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'
+ b'\\x0c\\r\\x0e\\x0f')""")
+        self.assertEqual(pprint.pformat(special, width=1), """\
+(b'\\x00\\x01\\x02\\x03'
+ b'\\x04\\x05\\x06\\x07'
+ b'\\x08\\t\\n\\x0b'
+ b'\\x0c\\r\\x0e\\x0f')""")
+        self.assertEqual(pprint.pformat({'a': 1, 'b': letters, 'c': 2},
+                                        width=21), """\
+{'a': 1,
+ 'b': b'abcdefghijkl'
+      b'mnopqrstuvwx'
+      b'yz',
+ 'c': 2}""")
+        self.assertEqual(pprint.pformat({'a': 1, 'b': letters, 'c': 2},
+                                        width=20), """\
+{'a': 1,
+ 'b': b'abcdefgh'
+      b'ijklmnop'
+      b'qrstuvwxyz',
+ 'c': 2}""")
+        self.assertEqual(pprint.pformat([[[[[[letters]]]]]], width=25), """\
+[[[[[[b'abcdefghijklmnop'
+      b'qrstuvwxyz']]]]]]""")
+        self.assertEqual(pprint.pformat([[[[[[special]]]]]], width=41), """\
+[[[[[[b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07'
+      b'\\x08\\t\\n\\x0b\\x0c\\r\\x0e\\x0f']]]]]]""")
+        # Check that the pprint is a usable repr
+        for width in range(1, 64):
+            formatted = pprint.pformat(special, width=width)
+            self.assertEqual(eval(formatted), special)
+            formatted = pprint.pformat([special] * 2, width=width)
+            self.assertEqual(eval(formatted), [special] * 2)
+
+    def test_bytearray_wrap(self):
+        self.assertEqual(pprint.pformat(bytearray(), width=1), "bytearray(b'')")
+        letters = bytearray(b'abcdefghijklmnopqrstuvwxyz')
+        self.assertEqual(pprint.pformat(letters, width=40), repr(letters))
+        self.assertEqual(pprint.pformat(letters, width=28), """\
+bytearray(b'abcdefghijkl'
+          b'mnopqrstuvwxyz')""")
+        self.assertEqual(pprint.pformat(letters, width=27), """\
+bytearray(b'abcdefghijkl'
+          b'mnopqrstuvwx'
+          b'yz')""")
+        self.assertEqual(pprint.pformat(letters, width=25), """\
+bytearray(b'abcdefghijkl'
+          b'mnopqrstuvwx'
+          b'yz')""")
+        special = bytearray(range(16))
+        self.assertEqual(pprint.pformat(special, width=72), repr(special))
+        self.assertEqual(pprint.pformat(special, width=57), """\
+bytearray(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'
+          b'\\x0c\\r\\x0e\\x0f')""")
+        self.assertEqual(pprint.pformat(special, width=41), """\
+bytearray(b'\\x00\\x01\\x02\\x03'
+          b'\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'
+          b'\\x0c\\r\\x0e\\x0f')""")
+        self.assertEqual(pprint.pformat(special, width=1), """\
+bytearray(b'\\x00\\x01\\x02\\x03'
+          b'\\x04\\x05\\x06\\x07'
+          b'\\x08\\t\\n\\x0b'
+          b'\\x0c\\r\\x0e\\x0f')""")
+        self.assertEqual(pprint.pformat({'a': 1, 'b': letters, 'c': 2},
+                                        width=31), """\
+{'a': 1,
+ 'b': bytearray(b'abcdefghijkl'
+                b'mnopqrstuvwx'
+                b'yz'),
+ 'c': 2}""")
+        self.assertEqual(pprint.pformat([[[[[letters]]]]], width=37), """\
+[[[[[bytearray(b'abcdefghijklmnop'
+               b'qrstuvwxyz')]]]]]""")
+        self.assertEqual(pprint.pformat([[[[[special]]]]], width=50), """\
+[[[[[bytearray(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07'
+               b'\\x08\\t\\n\\x0b\\x0c\\r\\x0e\\x0f')]]]]]""")
 
 
 class DottedPrettyPrinter(pprint.PrettyPrinter):
diff --git a/Lib/test/test_property.py b/Lib/test/test_property.py
index cee7203..e72eb55 100644
--- a/Lib/test/test_property.py
+++ b/Lib/test/test_property.py
@@ -3,7 +3,6 @@
 
 import sys
 import unittest
-from test.support import run_unittest
 
 class PropertyBase(Exception):
     pass
@@ -247,8 +246,5 @@ class PropertySubclassTests(unittest.TestCase):
 
 
 
-def test_main():
-    run_unittest(PropertyTests, PropertySubclassTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pstats.py b/Lib/test/test_pstats.py
index 9ebeebb..566b3ea 100644
--- a/Lib/test/test_pstats.py
+++ b/Lib/test/test_pstats.py
@@ -34,12 +34,5 @@ class StatsTestCase(unittest.TestCase):
         stats.add(self.stats, self.stats)
 
 
-def test_main():
-    support.run_unittest(
-        AddCallersTestCase,
-        StatsTestCase,
-    )
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pty.py b/Lib/test/test_pty.py
index 8916861..ef5e99e 100644
--- a/Lib/test/test_pty.py
+++ b/Lib/test/test_pty.py
@@ -1,7 +1,6 @@
-from test.support import verbose, run_unittest, import_module, reap_children
+from test.support import verbose, import_module, reap_children
 
-#Skip these tests if either fcntl or termios is not available
-fcntl = import_module('fcntl')
+# Skip these tests if termios is not available
 import_module('termios')
 
 import errno
@@ -84,16 +83,18 @@ class PtyTest(unittest.TestCase):
         # in master_open(), we need to read the EOF.
 
         # Ensure the fd is non-blocking in case there's nothing to read.
-        orig_flags = fcntl.fcntl(master_fd, fcntl.F_GETFL)
-        fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags | os.O_NONBLOCK)
+        blocking = os.get_blocking(master_fd)
         try:
-            s1 = os.read(master_fd, 1024)
-            self.assertEqual(b'', s1)
-        except OSError as e:
-            if e.errno != errno.EAGAIN:
-                raise
-        # Restore the original flags.
-        fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags)
+            os.set_blocking(master_fd, False)
+            try:
+                s1 = os.read(master_fd, 1024)
+                self.assertEqual(b'', s1)
+            except OSError as e:
+                if e.errno != errno.EAGAIN:
+                    raise
+        finally:
+            # Restore the original flags.
+            os.set_blocking(master_fd, blocking)
 
         debug("Writing to slave_fd")
         os.write(slave_fd, TEST_STRING_1)
@@ -292,11 +293,8 @@ class SmallPtyTests(unittest.TestCase):
             pty._copy(masters[0])
 
 
-def test_main(verbose=None):
-    try:
-        run_unittest(SmallPtyTests, PtyTest)
-    finally:
-        reap_children()
+def tearDownModule():
+    reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pulldom.py b/Lib/test/test_pulldom.py
index b81a595..1932c6b 100644
--- a/Lib/test/test_pulldom.py
+++ b/Lib/test/test_pulldom.py
@@ -6,7 +6,7 @@ import xml.sax
 from xml.sax.xmlreader import AttributesImpl
 from xml.dom import pulldom
 
-from test.support import run_unittest, findfile
+from test.support import findfile
 
 
 tstfile = findfile("test.xml", subdir="xmltestdata")
@@ -339,9 +339,5 @@ class SAX2DOMTestCase(unittest.TestCase):
         doc.unlink()
 
 
-def test_main():
-    run_unittest(PullDOMTestCase, ThoroughTestCase, SAX2DOMTestCase)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pwd.py b/Lib/test/test_pwd.py
index 37a1bcb..b7b1a4a 100644
--- a/Lib/test/test_pwd.py
+++ b/Lib/test/test_pwd.py
@@ -107,8 +107,5 @@ class PwdTest(unittest.TestCase):
         self.assertRaises(KeyError, pwd.getpwuid, 2**128)
         self.assertRaises(KeyError, pwd.getpwuid, -2**128)
 
-def test_main():
-    support.run_unittest(PwdTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_py_compile.py b/Lib/test/test_py_compile.py
index 1abea27..03cca5d 100644
--- a/Lib/test/test_py_compile.py
+++ b/Lib/test/test_py_compile.py
@@ -100,6 +100,7 @@ class PyCompileTests(unittest.TestCase):
         self.assertFalse(os.path.exists(
             importlib.util.cache_from_source(bad_coding)))
 
+    @unittest.skipIf(sys.flags.optimize > 0, 'test does not work with -O')
     def test_double_dot_no_clobber(self):
         # http://bugs.python.org/issue22966
         # py_compile foo.bar.py -> __pycache__/foo.cpython-34.pyc
@@ -119,6 +120,10 @@ class PyCompileTests(unittest.TestCase):
         self.assertTrue(os.path.exists(cache_path))
         self.assertFalse(os.path.exists(pyc_path))
 
+    def test_optimization_path(self):
+        # Specifying optimized bytecode should lead to a path reflecting that.
+        self.assertIn('opt-2', py_compile.compile(self.source_path, optimize=2))
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_pyclbr.py b/Lib/test/test_pyclbr.py
index 39eb65f..cab430b 100644
--- a/Lib/test/test_pyclbr.py
+++ b/Lib/test/test_pyclbr.py
@@ -2,7 +2,6 @@
    Test cases for pyclbr.py
    Nick Mathewson
 '''
-from test.support import run_unittest
 import sys
 from types import FunctionType, MethodType, BuiltinFunctionType
 import pyclbr
@@ -173,9 +172,5 @@ class PyclbrTest(TestCase):
         self.assertRaises(ImportError, pyclbr.readmodule_ex, 'asyncore.foo')
 
 
-def test_main():
-    run_unittest(PyclbrTest)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_pydoc.py b/Lib/test/test_pydoc.py
index 0e990b6..6a967c3 100644
--- a/Lib/test/test_pydoc.py
+++ b/Lib/test/test_pydoc.py
@@ -2,7 +2,6 @@ import os
 import sys
 import builtins
 import contextlib
-import difflib
 import importlib.util
 import inspect
 import pydoc
@@ -257,7 +256,10 @@ expected_html_data_docstrings = tuple(s.replace(' ', '&nbsp;')
                                       for s in expected_data_docstrings)
 
 # output pattern for missing module
-missing_pattern = "no Python documentation found for '%s'"
+missing_pattern = '''\
+No Python documentation found for %r.
+Use help() to get the interactive help utility.
+Use help(str) for help on the str class.'''.replace('\n', os.linesep)
 
 # output pattern for module with bad imports
 badimport_pattern = "problem in %s - ImportError: No module named %r"
@@ -364,15 +366,6 @@ def get_pydoc_text(module):
     output = patt.sub('', output)
     return output.strip(), loc
 
-def print_diffs(text1, text2):
-    "Prints unified diffs for two texts"
-    # XXX now obsolete, use unittest built-in support
-    lines1 = text1.splitlines(keepends=True)
-    lines2 = text2.splitlines(keepends=True)
-    diffs = difflib.unified_diff(lines1, lines2, n=0, fromfile='expected',
-                                 tofile='got')
-    print('\n' + ''.join(diffs))
-
 def get_html_title(text):
     # Bit of hack, but good enough for test purposes
     header, _, _ = text.partition("</head>")
@@ -418,9 +411,7 @@ class PydocDocTest(unittest.TestCase):
         expected_html = expected_html_pattern % (
                         (mod_url, mod_file, doc_loc) +
                         expected_html_data_docstrings)
-        if result != expected_html:
-            print_diffs(expected_html, result)
-            self.fail("outputs are not equal, see diff above")
+        self.assertEqual(result, expected_html)
 
     @unittest.skipIf(sys.flags.optimize >= 2,
                      "Docstrings are omitted with -O2 and above")
@@ -433,9 +424,7 @@ class PydocDocTest(unittest.TestCase):
                         (doc_loc,) +
                         expected_text_data_docstrings +
                         (inspect.getabsfile(pydoc_mod),))
-        if result != expected_text:
-            print_diffs(expected_text, result)
-            self.fail("outputs are not equal, see diff above")
+        self.assertEqual(expected_text, result)
 
     def test_text_enum_member_with_value_zero(self):
         # Test issue #20654 to ensure enum member with value 0 can be
@@ -931,9 +920,7 @@ class PydocWithMetaClasses(unittest.TestCase):
         expected_text = expected_dynamicattribute_pattern % (
                 (__name__,) + expected_text_data_docstrings[:2])
         result = output.getvalue().strip()
-        if result != expected_text:
-            print_diffs(expected_text, result)
-            self.fail("outputs are not equal, see diff above")
+        self.assertEqual(expected_text, result)
 
     @unittest.skipIf(sys.flags.optimize >= 2,
                      "Docstrings are omitted with -O2 and above")
@@ -954,9 +941,7 @@ class PydocWithMetaClasses(unittest.TestCase):
         helper(Class)
         expected_text = expected_virtualattribute_pattern1 % __name__
         result = output.getvalue().strip()
-        if result != expected_text:
-            print_diffs(expected_text, result)
-            self.fail("outputs are not equal, see diff above")
+        self.assertEqual(expected_text, result)
 
     @unittest.skipIf(sys.flags.optimize >= 2,
                      "Docstrings are omitted with -O2 and above")
@@ -996,19 +981,13 @@ class PydocWithMetaClasses(unittest.TestCase):
         helper(Class1)
         expected_text1 = expected_virtualattribute_pattern2 % __name__
         result1 = output.getvalue().strip()
-        if result1 != expected_text1:
-            print_diffs(expected_text1, result1)
-            fail1 = True
+        self.assertEqual(expected_text1, result1)
         output = StringIO()
         helper = pydoc.Helper(output=output)
         helper(Class2)
         expected_text2 = expected_virtualattribute_pattern3 % __name__
         result2 = output.getvalue().strip()
-        if result2 != expected_text2:
-            print_diffs(expected_text2, result2)
-            fail2 = True
-        if fail1 or fail2:
-            self.fail("outputs are not equal, see diff above")
+        self.assertEqual(expected_text2, result2)
 
     @unittest.skipIf(sys.flags.optimize >= 2,
                      "Docstrings are omitted with -O2 and above")
@@ -1025,9 +1004,7 @@ class PydocWithMetaClasses(unittest.TestCase):
         helper(C)
         expected_text = expected_missingattribute_pattern % __name__
         result = output.getvalue().strip()
-        if result != expected_text:
-            print_diffs(expected_text, result)
-            self.fail("outputs are not equal, see diff above")
+        self.assertEqual(expected_text, result)
 
     def test_resolve_false(self):
         # Issue #23008: pydoc enum.{,Int}Enum failed
diff --git a/Lib/test/test_pyexpat.py b/Lib/test/test_pyexpat.py
index c233bc1..08e95c6 100644
--- a/Lib/test/test_pyexpat.py
+++ b/Lib/test/test_pyexpat.py
@@ -10,7 +10,7 @@ import traceback
 from xml.parsers import expat
 from xml.parsers.expat import errors
 
-from test.support import sortdict, run_unittest
+from test.support import sortdict
 
 
 class SetAttributeTest(unittest.TestCase):
@@ -708,19 +708,5 @@ class ForeignDTDTests(unittest.TestCase):
         self.assertEqual(handler_call_args, [("bar", "baz")])
 
 
-def test_main():
-    run_unittest(SetAttributeTest,
-                 ParseTest,
-                 NamespaceSeparatorTest,
-                 InterningTest,
-                 BufferTextTest,
-                 HandlerExceptionTest,
-                 PositionTest,
-                 sf1296433Test,
-                 ChardataBufferTest,
-                 MalformedInputTest,
-                 ErrorMessageTest,
-                 ForeignDTDTests)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_queue.py b/Lib/test/test_queue.py
index 2cdfee4..4ccaa39 100644
--- a/Lib/test/test_queue.py
+++ b/Lib/test/test_queue.py
@@ -354,10 +354,5 @@ class FailingQueueTest(BlockingTestMixin, unittest.TestCase):
         self.failing_queue_test(q)
 
 
-def test_main():
-    support.run_unittest(QueueTest, LifoQueueTest, PriorityQueueTest,
-                              FailingQueueTest)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_quopri.py b/Lib/test/test_quopri.py
index 92511fa..7cac013 100644
--- a/Lib/test/test_quopri.py
+++ b/Lib/test/test_quopri.py
@@ -1,4 +1,3 @@
-from test import support
 import unittest
 
 import sys, os, io, subprocess
@@ -207,9 +206,5 @@ zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz''')
         p = p.decode('latin-1')
         self.assertEqual(cout.splitlines(), p.splitlines())
 
-def test_main():
-    support.run_unittest(QuopriTestCase)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_raise.py b/Lib/test/test_raise.py
index be5c1c6..a41b353 100644
--- a/Lib/test/test_raise.py
+++ b/Lib/test/test_raise.py
@@ -415,8 +415,5 @@ class TestRemovedFunctionality(unittest.TestCase):
             self.fail("No exception raised")
 
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py
index 2dbcebc..106c732 100644
--- a/Lib/test/test_range.py
+++ b/Lib/test/test_range.py
@@ -647,8 +647,5 @@ class RangeTest(unittest.TestCase):
         with self.assertRaises(AttributeError):
             del rangeobj.step
 
-def test_main():
-    test.support.run_unittest(RangeTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 7348af3..5b71612 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -38,6 +38,24 @@ class ReTests(unittest.TestCase):
                 self.assertIs(type(actual), type(expect), msg)
         recurse(actual, expect)
 
+    def checkPatternError(self, pattern, errmsg, pos=None):
+        with self.assertRaises(re.error) as cm:
+            re.compile(pattern)
+        with self.subTest(pattern=pattern):
+            err = cm.exception
+            self.assertEqual(err.msg, errmsg)
+            if pos is not None:
+                self.assertEqual(err.pos, pos)
+
+    def checkTemplateError(self, pattern, repl, string, errmsg, pos=None):
+        with self.assertRaises(re.error) as cm:
+            re.sub(pattern, repl, string)
+        with self.subTest(pattern=pattern, repl=repl):
+            err = cm.exception
+            self.assertEqual(err.msg, errmsg)
+            if pos is not None:
+                self.assertEqual(err.pos, pos)
+
     def test_keep_buffer(self):
         # See bug 14212
         b = bytearray(b'x')
@@ -84,7 +102,7 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.sub("(?i)b+", "x", "bbbb BBBB"), 'x x')
         self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y'),
                          '9.3 -3 24x100y')
-        self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y', 3),
+        self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y', count=3),
                          '9.3 -3 23x99y')
 
         self.assertEqual(re.sub('.', lambda m: r"\n", 'x'), '\\n')
@@ -100,11 +118,14 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.sub('(?P<unk>x)', '\g<unk>\g<unk>', 'xx'), 'xxxx')
         self.assertEqual(re.sub('(?P<unk>x)', '\g<1>\g<1>', 'xx'), 'xxxx')
 
-        self.assertEqual(re.sub('a',r'\t\n\v\r\f\a\b\B\Z\a\A\w\W\s\S\d\D','a'),
-                         '\t\n\v\r\f\a\b\\B\\Z\a\\A\\w\\W\\s\\S\\d\\D')
-        self.assertEqual(re.sub('a', '\t\n\v\r\f\a', 'a'), '\t\n\v\r\f\a')
-        self.assertEqual(re.sub('a', '\t\n\v\r\f\a', 'a'),
-                         (chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)))
+        self.assertEqual(re.sub('a', r'\t\n\v\r\f\a\b', 'a'), '\t\n\v\r\f\a\b')
+        self.assertEqual(re.sub('a', '\t\n\v\r\f\a\b', 'a'), '\t\n\v\r\f\a\b')
+        self.assertEqual(re.sub('a', '\t\n\v\r\f\a\b', 'a'),
+                         (chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)+chr(8)))
+        for c in 'cdehijklmopqsuwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ':
+            with self.subTest(c):
+                with self.assertWarns(DeprecationWarning):
+                    self.assertEqual(re.sub('a', '\\' + c, 'a'), '\\' + c)
 
         self.assertEqual(re.sub('^\s*', 'X', 'test'), 'Xtest')
 
@@ -145,6 +166,7 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.sub('x', r'\009', 'x'), '\0' + '9')
         self.assertEqual(re.sub('x', r'\111', 'x'), '\111')
         self.assertEqual(re.sub('x', r'\117', 'x'), '\117')
+        self.assertEqual(re.sub('x', r'\377', 'x'), '\377')
 
         self.assertEqual(re.sub('x', r'\1111', 'x'), '\1111')
         self.assertEqual(re.sub('x', r'\1111', 'x'), '\111' + '1')
@@ -155,21 +177,25 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.sub('x', r'\09', 'x'), '\0' + '9')
         self.assertEqual(re.sub('x', r'\0a', 'x'), '\0' + 'a')
 
-        self.assertEqual(re.sub('x', r'\400', 'x'), '\0')
-        self.assertEqual(re.sub('x', r'\777', 'x'), '\377')
-
-        self.assertRaises(re.error, re.sub, 'x', r'\1', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\8', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\9', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\11', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\18', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\1a', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\90', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\99', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\118', 'x') # r'\11' + '8'
-        self.assertRaises(re.error, re.sub, 'x', r'\11a', 'x')
-        self.assertRaises(re.error, re.sub, 'x', r'\181', 'x') # r'\18' + '1'
-        self.assertRaises(re.error, re.sub, 'x', r'\800', 'x') # r'\80' + '0'
+        self.checkTemplateError('x', r'\400', 'x',
+                                r'octal escape value \400 outside of '
+                                r'range 0-0o377', 0)
+        self.checkTemplateError('x', r'\777', 'x',
+                                r'octal escape value \777 outside of '
+                                r'range 0-0o377', 0)
+
+        self.checkTemplateError('x', r'\1', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\8', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\9', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\11', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\18', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\1a', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\90', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\99', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\118', 'x', 'invalid group reference') # r'\11' + '8'
+        self.checkTemplateError('x', r'\11a', 'x', 'invalid group reference')
+        self.checkTemplateError('x', r'\181', 'x', 'invalid group reference') # r'\18' + '1'
+        self.checkTemplateError('x', r'\800', 'x', 'invalid group reference') # r'\80' + '0'
 
         # in python2.3 (etc), these loop endlessly in sre_parser.py
         self.assertEqual(re.sub('(((((((((((x)))))))))))', r'\11', 'x'), 'x')
@@ -180,7 +206,7 @@ class ReTests(unittest.TestCase):
 
     def test_qualified_re_sub(self):
         self.assertEqual(re.sub('a', 'b', 'aaaaa'), 'bbbbb')
-        self.assertEqual(re.sub('a', 'b', 'aaaaa', 1), 'baaaa')
+        self.assertEqual(re.sub('a', 'b', 'aaaaa', count=1), 'baaaa')
 
     def test_bug_114660(self):
         self.assertEqual(re.sub(r'(\S)\s+(\S)', r'\1 \2', 'hello  there'),
@@ -194,75 +220,103 @@ class ReTests(unittest.TestCase):
     def test_symbolic_groups(self):
         re.compile('(?P<a>x)(?P=a)(?(a)y)')
         re.compile('(?P<a1>x)(?P=a1)(?(a1)y)')
-        self.assertRaises(re.error, re.compile, '(?P<a>)(?P<a>)')
-        self.assertRaises(re.error, re.compile, '(?Px)')
-        self.assertRaises(re.error, re.compile, '(?P=)')
-        self.assertRaises(re.error, re.compile, '(?P=1)')
-        self.assertRaises(re.error, re.compile, '(?P=a)')
-        self.assertRaises(re.error, re.compile, '(?P=a1)')
-        self.assertRaises(re.error, re.compile, '(?P=a.)')
-        self.assertRaises(re.error, re.compile, '(?P<)')
-        self.assertRaises(re.error, re.compile, '(?P<>)')
-        self.assertRaises(re.error, re.compile, '(?P<1>)')
-        self.assertRaises(re.error, re.compile, '(?P<a.>)')
-        self.assertRaises(re.error, re.compile, '(?())')
-        self.assertRaises(re.error, re.compile, '(?(a))')
-        self.assertRaises(re.error, re.compile, '(?(1a))')
-        self.assertRaises(re.error, re.compile, '(?(a.))')
+        re.compile('(?P<a1>x)\1(?(1)y)')
+        self.checkPatternError('(?P<a>)(?P<a>)',
+                               "redefinition of group name 'a' as group 2; "
+                               "was group 1")
+        self.checkPatternError('(?Pxy)', 'unknown extension ?Px')
+        self.checkPatternError('(?P<a>)(?P=a', 'missing ), unterminated name', 11)
+        self.checkPatternError('(?P=', 'missing group name', 4)
+        self.checkPatternError('(?P=)', 'missing group name', 4)
+        self.checkPatternError('(?P=1)', "bad character in group name '1'", 4)
+        self.checkPatternError('(?P=a)', "unknown group name 'a'")
+        self.checkPatternError('(?P=a1)', "unknown group name 'a1'")
+        self.checkPatternError('(?P=a.)', "bad character in group name 'a.'", 4)
+        self.checkPatternError('(?P<)', 'missing >, unterminated name', 4)
+        self.checkPatternError('(?P<a', 'missing >, unterminated name', 4)
+        self.checkPatternError('(?P<', 'missing group name', 4)
+        self.checkPatternError('(?P<>)', 'missing group name', 4)
+        self.checkPatternError(r'(?P<1>)', "bad character in group name '1'", 4)
+        self.checkPatternError(r'(?P<a.>)', "bad character in group name 'a.'", 4)
+        self.checkPatternError(r'(?(', 'missing group name', 3)
+        self.checkPatternError(r'(?())', 'missing group name', 3)
+        self.checkPatternError(r'(?(a))', "unknown group name 'a'", 3)
+        self.checkPatternError(r'(?(-1))', "bad character in group name '-1'", 3)
+        self.checkPatternError(r'(?(1a))', "bad character in group name '1a'", 3)
+        self.checkPatternError(r'(?(a.))', "bad character in group name 'a.'", 3)
         # New valid/invalid identifiers in Python 3
         re.compile('(?P<µ>x)(?P=µ)(?(µ)y)')
         re.compile('(?P<𝔘𝔫𝔦𝔠𝔬𝔡𝔢>x)(?P=𝔘𝔫𝔦𝔠𝔬𝔡𝔢)(?(𝔘𝔫𝔦𝔠𝔬𝔡𝔢)y)')
-        self.assertRaises(re.error, re.compile, '(?P<©>x)')
+        self.checkPatternError('(?P<©>x)', "bad character in group name '©'", 4)
+        # Support > 100 groups.
+        pat = '|'.join('x(?P<a%d>%x)y' % (i, i) for i in range(1, 200 + 1))
+        pat = '(?:%s)(?(200)z|t)' % pat
+        self.assertEqual(re.match(pat, 'xc8yz').span(), (0, 5))
 
     def test_symbolic_refs(self):
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g<a', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g<', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g<a a>', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g<>', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g<1a1>', 'xx')
-        self.assertRaises(IndexError, re.sub, '(?P<a>x)', '\g<ab>', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)|(?P<b>y)', '\g<b>', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)|(?P<b>y)', '\\2', 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', '\g<-1>', 'xx')
+        self.checkTemplateError('(?P<a>x)', '\g<a', 'xx',
+                                'missing >, unterminated name', 3)
+        self.checkTemplateError('(?P<a>x)', '\g<', 'xx',
+                                'missing group name', 3)
+        self.checkTemplateError('(?P<a>x)', '\g', 'xx', 'missing <', 2)
+        self.checkTemplateError('(?P<a>x)', '\g<a a>', 'xx',
+                                "bad character in group name 'a a'", 3)
+        self.checkTemplateError('(?P<a>x)', '\g<>', 'xx',
+                                'missing group name', 3)
+        self.checkTemplateError('(?P<a>x)', '\g<1a1>', 'xx',
+                                "bad character in group name '1a1'", 3)
+        self.checkTemplateError('(?P<a>x)', r'\g<2>', 'xx',
+                                'invalid group reference')
+        self.checkTemplateError('(?P<a>x)', r'\2', 'xx',
+                                'invalid group reference')
+        with self.assertRaisesRegex(IndexError, "unknown group name 'ab'"):
+            re.sub('(?P<a>x)', '\g<ab>', 'xx')
+        self.assertEqual(re.sub('(?P<a>x)|(?P<b>y)', r'\g<b>', 'xx'), '')
+        self.assertEqual(re.sub('(?P<a>x)|(?P<b>y)', r'\2', 'xx'), '')
+        self.checkTemplateError('(?P<a>x)', '\g<-1>', 'xx',
+                                "bad character in group name '-1'", 3)
         # New valid/invalid identifiers in Python 3
         self.assertEqual(re.sub('(?P<µ>x)', r'\g<µ>', 'xx'), 'xx')
         self.assertEqual(re.sub('(?P<𝔘𝔫𝔦𝔠𝔬𝔡𝔢>x)', r'\g<𝔘𝔫𝔦𝔠𝔬𝔡𝔢>', 'xx'), 'xx')
-        self.assertRaises(re.error, re.sub, '(?P<a>x)', r'\g<©>', 'xx')
+        self.checkTemplateError('(?P<a>x)', '\g<©>', 'xx',
+                                "bad character in group name '©'", 3)
+        # Support > 100 groups.
+        pat = '|'.join('x(?P<a%d>%x)y' % (i, i) for i in range(1, 200 + 1))
+        self.assertEqual(re.sub(pat, '\g<200>', 'xc8yzxc8y'), 'c8zc8')
 
     def test_re_subn(self):
         self.assertEqual(re.subn("(?i)b+", "x", "bbbb BBBB"), ('x x', 2))
         self.assertEqual(re.subn("b+", "x", "bbbb BBBB"), ('x BBBB', 1))
         self.assertEqual(re.subn("b+", "x", "xyz"), ('xyz', 0))
         self.assertEqual(re.subn("b*", "x", "xyz"), ('xxxyxzx', 4))
-        self.assertEqual(re.subn("b*", "x", "xyz", 2), ('xxxyz', 2))
+        self.assertEqual(re.subn("b*", "x", "xyz", count=2), ('xxxyz', 2))
 
     def test_re_split(self):
         for string in ":a:b::c", S(":a:b::c"):
             self.assertTypedEqual(re.split(":", string),
                                   ['', 'a', 'b', '', 'c'])
-            self.assertTypedEqual(re.split(":*", string),
+            self.assertTypedEqual(re.split(":+", string),
                                   ['', 'a', 'b', 'c'])
-            self.assertTypedEqual(re.split("(:*)", string),
+            self.assertTypedEqual(re.split("(:+)", string),
                                   ['', ':', 'a', ':', 'b', '::', 'c'])
         for string in (b":a:b::c", B(b":a:b::c"), bytearray(b":a:b::c"),
                        memoryview(b":a:b::c")):
             self.assertTypedEqual(re.split(b":", string),
                                   [b'', b'a', b'b', b'', b'c'])
-            self.assertTypedEqual(re.split(b":*", string),
+            self.assertTypedEqual(re.split(b":+", string),
                                   [b'', b'a', b'b', b'c'])
-            self.assertTypedEqual(re.split(b"(:*)", string),
+            self.assertTypedEqual(re.split(b"(:+)", string),
                                   [b'', b':', b'a', b':', b'b', b'::', b'c'])
         for a, b, c in ("\xe0\xdf\xe7", "\u0430\u0431\u0432",
                         "\U0001d49c\U0001d49e\U0001d4b5"):
             string = ":%s:%s::%s" % (a, b, c)
             self.assertEqual(re.split(":", string), ['', a, b, '', c])
-            self.assertEqual(re.split(":*", string), ['', a, b, c])
-            self.assertEqual(re.split("(:*)", string),
+            self.assertEqual(re.split(":+", string), ['', a, b, c])
+            self.assertEqual(re.split("(:+)", string),
                              ['', ':', a, ':', b, '::', c])
 
-        self.assertEqual(re.split("(?::*)", ":a:b::c"), ['', 'a', 'b', 'c'])
-        self.assertEqual(re.split("(:)*", ":a:b::c"),
+        self.assertEqual(re.split("(?::+)", ":a:b::c"), ['', 'a', 'b', 'c'])
+        self.assertEqual(re.split("(:)+", ":a:b::c"),
                          ['', ':', 'a', ':', 'b', ':', 'c'])
         self.assertEqual(re.split("([b:]+)", ":a:b::c"),
                          ['', ':', 'a', ':b::', 'c'])
@@ -272,13 +326,34 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.split("(?:b)|(?::+)", ":a:b::c"),
                          ['', 'a', '', '', 'c'])
 
+        for sep, expected in [
+            (':*', ['', 'a', 'b', 'c']),
+            ('(?::*)', ['', 'a', 'b', 'c']),
+            ('(:*)', ['', ':', 'a', ':', 'b', '::', 'c']),
+            ('(:)*', ['', ':', 'a', ':', 'b', ':', 'c']),
+        ]:
+            with self.subTest(sep=sep), self.assertWarns(FutureWarning):
+                self.assertTypedEqual(re.split(sep, ':a:b::c'), expected)
+
+        for sep, expected in [
+            ('', [':a:b::c']),
+            (r'\b', [':a:b::c']),
+            (r'(?=:)', [':a:b::c']),
+            (r'(?<=:)', [':a:b::c']),
+        ]:
+            with self.subTest(sep=sep), self.assertRaises(ValueError):
+                self.assertTypedEqual(re.split(sep, ':a:b::c'), expected)
+
     def test_qualified_re_split(self):
-        self.assertEqual(re.split(":", ":a:b::c", 2), ['', 'a', 'b::c'])
-        self.assertEqual(re.split(':', 'a:b:c:d', 2), ['a', 'b', 'c:d'])
-        self.assertEqual(re.split("(:)", ":a:b::c", 2),
+        self.assertEqual(re.split(":", ":a:b::c", maxsplit=2), ['', 'a', 'b::c'])
+        self.assertEqual(re.split(':', 'a:b:c:d', maxsplit=2), ['a', 'b', 'c:d'])
+        self.assertEqual(re.split("(:)", ":a:b::c", maxsplit=2),
                          ['', ':', 'a', ':', 'b::c'])
-        self.assertEqual(re.split("(:*)", ":a:b::c", 2),
+        self.assertEqual(re.split("(:+)", ":a:b::c", maxsplit=2),
                          ['', ':', 'a', ':', 'b::c'])
+        with self.assertWarns(FutureWarning):
+            self.assertEqual(re.split("(:*)", ":a:b::c", maxsplit=2),
+                             ['', ':', 'a', ':', 'b::c'])
 
     def test_re_findall(self):
         self.assertEqual(re.findall(":+", "abc"), [])
@@ -405,6 +480,23 @@ class ReTests(unittest.TestCase):
         self.assertIsNone(p.match('abd'))
         self.assertIsNone(p.match('ac'))
 
+        # Support > 100 groups.
+        pat = '|'.join('x(?P<a%d>%x)y' % (i, i) for i in range(1, 200 + 1))
+        pat = '(?:%s)(?(200)z)' % pat
+        self.assertEqual(re.match(pat, 'xc8yz').span(), (0, 5))
+
+        self.checkPatternError(r'(?P<a>)(?(0))', 'bad group number', 10)
+        self.checkPatternError(r'()(?(1)a|b',
+                               'missing ), unterminated subpattern', 2)
+        self.checkPatternError(r'()(?(1)a|b|c)',
+                               'conditional backref with more than '
+                               'two branches', 10)
+
+    def test_re_groupref_overflow(self):
+        self.checkTemplateError('()', '\g<%s>' % sre_constants.MAXGROUPS, 'xx',
+                                'invalid group reference', 3)
+        self.checkPatternError(r'(?P<a>)(?(%d))' % sre_constants.MAXGROUPS,
+                               'invalid group reference', 10)
 
     def test_re_groupref(self):
         self.assertEqual(re.match(r'^(\|)?([^()]+)\1$', '|a|').groups(),
@@ -418,6 +510,8 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.match(r'^(?:(a)|c)(\1)?$', 'c').groups(),
                          (None, None))
 
+        self.checkPatternError(r'(abc\1)', 'cannot refer to an open group', 4)
+
     def test_groupdict(self):
         self.assertEqual(re.match('(?P<first>first) (?P<second>second)',
                                   'first second').groupdict(),
@@ -428,6 +522,10 @@ class ReTests(unittest.TestCase):
                                   "first second")
                                   .expand(r"\2 \1 \g<second> \g<first>"),
                          "second first second first")
+        self.assertEqual(re.match("(?P<first>first)|(?P<second>second)",
+                                  "first")
+                                  .expand(r"\2 \g<second>"),
+                         " ")
 
     def test_repeat_minmax(self):
         self.assertIsNone(re.match("^(\w){1}$", "abc"))
@@ -451,6 +549,7 @@ class ReTests(unittest.TestCase):
 
         self.assertTrue(re.match("^x{3}$", "xxx"))
         self.assertTrue(re.match("^x{1,3}$", "xxx"))
+        self.assertTrue(re.match("^x{3,3}$", "xxx"))
         self.assertTrue(re.match("^x{1,4}$", "xxx"))
         self.assertTrue(re.match("^x{3,4}?$", "xxx"))
         self.assertTrue(re.match("^x{3}?$", "xxx"))
@@ -461,6 +560,9 @@ class ReTests(unittest.TestCase):
         self.assertIsNone(re.match("^x{}$", "xxx"))
         self.assertTrue(re.match("^x{}$", "x{}"))
 
+        self.checkPatternError(r'x{2,1}',
+                               'min repeat greater than max repeat', 2)
+
     def test_getattr(self):
         self.assertEqual(re.compile("(?i)(a)(b)").pattern, "(?i)(a)(b)")
         self.assertEqual(re.compile("(?i)(a)(b)").flags, re.I | re.U)
@@ -475,6 +577,14 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.match("(a)", "a").regs, ((0, 1), (0, 1)))
         self.assertTrue(re.match("(a)", "a").re)
 
+        # Issue 14260. groupindex should be non-modifiable mapping.
+        p = re.compile(r'(?i)(?P<first>a)(?P<other>b)')
+        self.assertEqual(sorted(p.groupindex), ['first', 'other'])
+        self.assertEqual(p.groupindex['other'], 2)
+        with self.assertRaises(TypeError):
+            p.groupindex['other'] = 0
+        self.assertEqual(p.groupindex['other'], 2)
+
     def test_special_escapes(self):
         self.assertEqual(re.search(r"\b(b.)\b",
                                    "abcd abc bcd bx").group(1), "bx")
@@ -484,10 +594,6 @@ class ReTests(unittest.TestCase):
                                    "abcd abc bcd bx", re.ASCII).group(1), "bx")
         self.assertEqual(re.search(r"\B(b.)\B",
                                    "abc bcd bc abxd", re.ASCII).group(1), "bx")
-        self.assertEqual(re.search(r"\b(b.)\b",
-                                   "abcd abc bcd bx", re.LOCALE).group(1), "bx")
-        self.assertEqual(re.search(r"\B(b.)\B",
-                                   "abc bcd bc abxd", re.LOCALE).group(1), "bx")
         self.assertEqual(re.search(r"^abc$", "\nabc\n", re.M).group(0), "abc")
         self.assertEqual(re.search(r"^\Aabc\Z$", "abc", re.M).group(0), "abc")
         self.assertIsNone(re.search(r"^\Aabc\Z$", "\nabc\n", re.M))
@@ -508,11 +614,32 @@ class ReTests(unittest.TestCase):
                                    b"1aa! a").group(0), b"1aa! a")
         self.assertEqual(re.search(r"\d\D\w\W\s\S",
                                    "1aa! a", re.ASCII).group(0), "1aa! a")
-        self.assertEqual(re.search(r"\d\D\w\W\s\S",
-                                   "1aa! a", re.LOCALE).group(0), "1aa! a")
         self.assertEqual(re.search(br"\d\D\w\W\s\S",
                                    b"1aa! a", re.LOCALE).group(0), b"1aa! a")
 
+    def test_other_escapes(self):
+        self.checkPatternError("\\", 'bad escape (end of pattern)', 0)
+        self.assertEqual(re.match(r"\(", '(').group(), '(')
+        self.assertIsNone(re.match(r"\(", ')'))
+        self.assertEqual(re.match(r"\\", '\\').group(), '\\')
+        self.assertEqual(re.match(r"[\]]", ']').group(), ']')
+        self.assertIsNone(re.match(r"[\]]", '['))
+        self.assertEqual(re.match(r"[a\-c]", '-').group(), '-')
+        self.assertIsNone(re.match(r"[a\-c]", 'b'))
+        self.assertEqual(re.match(r"[\^a]+", 'a^').group(), 'a^')
+        self.assertIsNone(re.match(r"[\^a]+", 'b'))
+        re.purge()  # for warnings
+        for c in 'ceghijklmopqyzCEFGHIJKLMNOPQRTVXY':
+            with self.subTest(c):
+                with self.assertWarns(DeprecationWarning):
+                    self.assertEqual(re.fullmatch('\\%c' % c, c).group(), c)
+                    self.assertIsNone(re.match('\\%c' % c, 'a'))
+        for c in 'ceghijklmopqyzABCEFGHIJKLMNOPQRTVXYZ':
+            with self.subTest(c):
+                with self.assertWarns(DeprecationWarning):
+                    self.assertEqual(re.fullmatch('[\\%c]' % c, c).group(), c)
+                    self.assertIsNone(re.match('[\\%c]' % c, 'a'))
+
     def test_string_boundaries(self):
         # See http://bugs.python.org/issue10713
         self.assertEqual(re.search(r"\b(abc)\b", "abc").group(1),
@@ -574,9 +701,6 @@ class ReTests(unittest.TestCase):
         # Group reference.
         self.assertTrue(re.match(r'(a)b(?=\1)a', 'aba'))
         self.assertIsNone(re.match(r'(a)b(?=\1)c', 'abac'))
-        # Named group reference.
-        self.assertTrue(re.match(r'(?P<g>a)b(?=(?P=g))a', 'aba'))
-        self.assertIsNone(re.match(r'(?P<g>a)b(?=(?P=g))c', 'abac'))
         # Conditional group reference.
         self.assertTrue(re.match(r'(?:(a)|(x))b(?=(?(2)x|c))c', 'abc'))
         self.assertIsNone(re.match(r'(?:(a)|(x))b(?=(?(2)c|x))c', 'abc'))
@@ -594,13 +718,25 @@ class ReTests(unittest.TestCase):
         self.assertIsNone(re.match(r'ab(?<!b)c', 'abc'))
         self.assertTrue(re.match(r'ab(?<!c)c', 'abc'))
         # Group reference.
-        self.assertWarns(RuntimeWarning, re.compile, r'(a)a(?<=\1)c')
-        # Named group reference.
-        self.assertWarns(RuntimeWarning, re.compile, r'(?P<g>a)a(?<=(?P=g))c')
+        self.assertTrue(re.match(r'(a)a(?<=\1)c', 'aac'))
+        self.assertIsNone(re.match(r'(a)b(?<=\1)a', 'abaa'))
+        self.assertIsNone(re.match(r'(a)a(?<!\1)c', 'aac'))
+        self.assertTrue(re.match(r'(a)b(?<!\1)a', 'abaa'))
         # Conditional group reference.
-        self.assertWarns(RuntimeWarning, re.compile, r'(a)b(?<=(?(1)b|x))c')
+        self.assertIsNone(re.match(r'(?:(a)|(x))b(?<=(?(2)x|c))c', 'abc'))
+        self.assertIsNone(re.match(r'(?:(a)|(x))b(?<=(?(2)b|x))c', 'abc'))
+        self.assertTrue(re.match(r'(?:(a)|(x))b(?<=(?(2)x|b))c', 'abc'))
+        self.assertIsNone(re.match(r'(?:(a)|(x))b(?<=(?(1)c|x))c', 'abc'))
+        self.assertTrue(re.match(r'(?:(a)|(x))b(?<=(?(1)b|x))c', 'abc'))
         # Group used before defined.
-        self.assertWarns(RuntimeWarning, re.compile, r'(a)b(?<=(?(2)b|x))(c)')
+        self.assertRaises(re.error, re.compile, r'(a)b(?<=(?(2)b|x))(c)')
+        self.assertIsNone(re.match(r'(a)b(?<=(?(1)c|x))(c)', 'abc'))
+        self.assertTrue(re.match(r'(a)b(?<=(?(1)b|x))(c)', 'abc'))
+        # Group defined in the same lookbehind pattern
+        self.assertRaises(re.error, re.compile, r'(a)b(?<=(.)\2)(c)')
+        self.assertRaises(re.error, re.compile, r'(a)b(?<=(?P<a>.)(?P=a))(c)')
+        self.assertRaises(re.error, re.compile, r'(a)b(?<=(a)(?(2)b|x))(c)')
+        self.assertRaises(re.error, re.compile, r'(a)b(?<=(.)(?<=\2))(c)')
 
     def test_ignore_case(self):
         self.assertEqual(re.match("abc", "ABC", re.I).group(0), "ABC")
@@ -692,9 +828,12 @@ class ReTests(unittest.TestCase):
         self.assertEqual(_sre.getlower(ord('A'), 0), ord('a'))
         self.assertEqual(_sre.getlower(ord('A'), re.LOCALE), ord('a'))
         self.assertEqual(_sre.getlower(ord('A'), re.UNICODE), ord('a'))
+        self.assertEqual(_sre.getlower(ord('A'), re.ASCII), ord('a'))
 
         self.assertEqual(re.match("abc", "ABC", re.I).group(0), "ABC")
         self.assertEqual(re.match(b"abc", b"ABC", re.I).group(0), b"ABC")
+        self.assertEqual(re.match("abc", "ABC", re.I|re.A).group(0), "ABC")
+        self.assertEqual(re.match(b"abc", b"ABC", re.I|re.L).group(0), b"ABC")
 
     def test_not_literal(self):
         self.assertEqual(re.search("\s([^a])", " b").group(1), "b")
@@ -779,8 +918,10 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.X, re.VERBOSE)
 
     def test_flags(self):
-        for flag in [re.I, re.M, re.X, re.S, re.L]:
+        for flag in [re.I, re.M, re.X, re.S, re.A, re.U]:
             self.assertTrue(re.compile('^pattern$', flag))
+        for flag in [re.I, re.M, re.X, re.S, re.A, re.L]:
+            self.assertTrue(re.compile(b'^pattern$', flag))
 
     def test_sre_character_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255, 256, 0xFFFF, 0x10000, 0x10FFFF]:
@@ -802,15 +943,17 @@ class ReTests(unittest.TestCase):
         self.assertTrue(re.match(r"\08", "\0008"))
         self.assertTrue(re.match(r"\01", "\001"))
         self.assertTrue(re.match(r"\018", "\0018"))
-        self.assertTrue(re.match(r"\567", chr(0o167)))
-        self.assertRaises(re.error, re.match, r"\911", "")
-        self.assertRaises(re.error, re.match, r"\x1", "")
-        self.assertRaises(re.error, re.match, r"\x1z", "")
-        self.assertRaises(re.error, re.match, r"\u123", "")
-        self.assertRaises(re.error, re.match, r"\u123z", "")
-        self.assertRaises(re.error, re.match, r"\U0001234", "")
-        self.assertRaises(re.error, re.match, r"\U0001234z", "")
-        self.assertRaises(re.error, re.match, r"\U00110000", "")
+        self.checkPatternError(r"\567",
+                               r'octal escape value \567 outside of '
+                               r'range 0-0o377', 0)
+        self.checkPatternError(r"\911", 'invalid group reference', 0)
+        self.checkPatternError(r"\x1", r'incomplete escape \x1', 0)
+        self.checkPatternError(r"\x1z", r'incomplete escape \x1', 0)
+        self.checkPatternError(r"\u123", r'incomplete escape \u123', 0)
+        self.checkPatternError(r"\u123z", r'incomplete escape \u123', 0)
+        self.checkPatternError(r"\U0001234", r'incomplete escape \U0001234', 0)
+        self.checkPatternError(r"\U0001234z", r'incomplete escape \U0001234', 0)
+        self.checkPatternError(r"\U00110000", r'bad escape \U00110000', 0)
 
     def test_sre_character_class_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255, 256, 0xFFFF, 0x10000, 0x10FFFF]:
@@ -830,12 +973,15 @@ class ReTests(unittest.TestCase):
             self.assertTrue(re.match(r"[\U%08x]" % i, chr(i)))
             self.assertTrue(re.match(r"[\U%08x0]" % i, chr(i)+"0"))
             self.assertTrue(re.match(r"[\U%08xz]" % i, chr(i)+"z"))
+        self.checkPatternError(r"[\567]",
+                               r'octal escape value \567 outside of '
+                               r'range 0-0o377', 1)
+        self.checkPatternError(r"[\911]", r'bad escape \9', 1)
+        self.checkPatternError(r"[\x1z]", r'incomplete escape \x1', 1)
+        self.checkPatternError(r"[\u123z]", r'incomplete escape \u123', 1)
+        self.checkPatternError(r"[\U0001234z]", r'incomplete escape \U0001234', 1)
+        self.checkPatternError(r"[\U00110000]", r'bad escape \U00110000', 1)
         self.assertTrue(re.match(r"[\U0001d49c-\U0001d4b5]", "\U0001d49e"))
-        self.assertRaises(re.error, re.match, r"[\911]", "")
-        self.assertRaises(re.error, re.match, r"[\x1z]", "")
-        self.assertRaises(re.error, re.match, r"[\u123z]", "")
-        self.assertRaises(re.error, re.match, r"[\U0001234z]", "")
-        self.assertRaises(re.error, re.match, r"[\U00110000]", "")
 
     def test_sre_byte_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255]:
@@ -845,16 +991,20 @@ class ReTests(unittest.TestCase):
             self.assertTrue(re.match((r"\x%02x" % i).encode(), bytes([i])))
             self.assertTrue(re.match((r"\x%02x0" % i).encode(), bytes([i])+b"0"))
             self.assertTrue(re.match((r"\x%02xz" % i).encode(), bytes([i])+b"z"))
-        self.assertTrue(re.match(br"\u", b'u'))
-        self.assertTrue(re.match(br"\U", b'U'))
+        with self.assertWarns(DeprecationWarning):
+            self.assertTrue(re.match(br"\u1234", b'u1234'))
+        with self.assertWarns(DeprecationWarning):
+            self.assertTrue(re.match(br"\U00012345", b'U00012345'))
         self.assertTrue(re.match(br"\0", b"\000"))
         self.assertTrue(re.match(br"\08", b"\0008"))
         self.assertTrue(re.match(br"\01", b"\001"))
         self.assertTrue(re.match(br"\018", b"\0018"))
-        self.assertTrue(re.match(br"\567", bytes([0o167])))
-        self.assertRaises(re.error, re.match, br"\911", b"")
-        self.assertRaises(re.error, re.match, br"\x1", b"")
-        self.assertRaises(re.error, re.match, br"\x1z", b"")
+        self.checkPatternError(br"\567",
+                               r'octal escape value \567 outside of '
+                               r'range 0-0o377', 0)
+        self.checkPatternError(br"\911", 'invalid group reference', 0)
+        self.checkPatternError(br"\x1", r'incomplete escape \x1', 0)
+        self.checkPatternError(br"\x1z", r'incomplete escape \x1', 0)
 
     def test_sre_byte_class_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255]:
@@ -866,10 +1016,26 @@ class ReTests(unittest.TestCase):
             self.assertTrue(re.match((r"[\x%02x]" % i).encode(), bytes([i])))
             self.assertTrue(re.match((r"[\x%02x0]" % i).encode(), bytes([i])))
             self.assertTrue(re.match((r"[\x%02xz]" % i).encode(), bytes([i])))
-        self.assertTrue(re.match(br"[\u]", b'u'))
-        self.assertTrue(re.match(br"[\U]", b'U'))
-        self.assertRaises(re.error, re.match, br"[\911]", b"")
-        self.assertRaises(re.error, re.match, br"[\x1z]", b"")
+        with self.assertWarns(DeprecationWarning):
+            self.assertTrue(re.match(br"[\u1234]", b'u'))
+        with self.assertWarns(DeprecationWarning):
+            self.assertTrue(re.match(br"[\U00012345]", b'U'))
+        self.checkPatternError(br"[\567]",
+                               r'octal escape value \567 outside of '
+                               r'range 0-0o377', 1)
+        self.checkPatternError(br"[\911]", r'bad escape \9', 1)
+        self.checkPatternError(br"[\x1z]", r'incomplete escape \x1', 1)
+
+    def test_character_set_errors(self):
+        self.checkPatternError(r'[', 'unterminated character set', 0)
+        self.checkPatternError(r'[^', 'unterminated character set', 0)
+        self.checkPatternError(r'[a', 'unterminated character set', 0)
+        # bug 545855 -- This pattern failed to cause a compile error as it
+        # should, instead provoking a TypeError.
+        self.checkPatternError(r"[a-", 'unterminated character set', 0)
+        self.checkPatternError(r"[\w-b]", r'bad character range \w-b', 1)
+        self.checkPatternError(r"[a-\w]", r'bad character range a-\w', 1)
+        self.checkPatternError(r"[b-a]", 'bad character range b-a', 1)
 
     def test_bug_113254(self):
         self.assertEqual(re.match(r'(a)|(b)', 'b').start(1), -1)
@@ -884,11 +1050,6 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.match("(?P<a>a(b))", "ab").lastgroup, 'a')
         self.assertEqual(re.match("((a))", "a").lastindex, 1)
 
-    def test_bug_545855(self):
-        # bug 545855 -- This pattern failed to cause a compile error as it
-        # should, instead provoking a TypeError.
-        self.assertRaises(re.error, re.compile, 'foo[a-')
-
     def test_bug_418626(self):
         # bugs 418626 at al. -- Testing Greg Chapman's addition of op code
         # SRE_OP_MIN_REPEAT_ONE for eliminating recursion on simple uses of
@@ -912,6 +1073,24 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.match('(x)*y', 50000*'x'+'y').group(1), 'x')
         self.assertEqual(re.match('(x)*?y', 50000*'x'+'y').group(1), 'x')
 
+    def test_nothing_to_repeat(self):
+        for reps in '*', '+', '?', '{1,2}':
+            for mod in '', '?':
+                self.checkPatternError('%s%s' % (reps, mod),
+                                       'nothing to repeat', 0)
+                self.checkPatternError('(?:%s%s)' % (reps, mod),
+                                       'nothing to repeat', 3)
+
+    def test_multiple_repeat(self):
+        for outer_reps in '*', '+', '{1,2}':
+            for outer_mod in '', '?':
+                outer_op = outer_reps + outer_mod
+                for inner_reps in '*', '+', '?', '{1,2}':
+                    for inner_mod in '', '?':
+                        inner_op = inner_reps + inner_mod
+                        self.checkPatternError(r'x%s%s' % (inner_op, outer_op),
+                                'multiple repeat', 1 + len(inner_op))
+
     def test_unlimited_zero_width_repeat(self):
         # Issue #9669
         self.assertIsNone(re.match(r'(?:a?)*y', 'z'))
@@ -1062,8 +1241,8 @@ class ReTests(unittest.TestCase):
 
     def test_inline_flags(self):
         # Bug #1700
-        upper_char = chr(0x1ea0) # Latin Capital Letter A with Dot Bellow
-        lower_char = chr(0x1ea1) # Latin Small Letter A with Dot Bellow
+        upper_char = '\u1ea0' # Latin Capital Letter A with Dot Below
+        lower_char = '\u1ea1' # Latin Small Letter A with Dot Below
 
         p = re.compile(upper_char, re.I | re.U)
         q = p.match(lower_char)
@@ -1143,6 +1322,52 @@ class ReTests(unittest.TestCase):
         self.assertRaises(ValueError, re.compile, '(?a)\w', re.UNICODE)
         self.assertRaises(ValueError, re.compile, '(?au)\w')
 
+    def test_locale_flag(self):
+        import locale
+        _, enc = locale.getlocale(locale.LC_CTYPE)
+        # Search non-ASCII letter
+        for i in range(128, 256):
+            try:
+                c = bytes([i]).decode(enc)
+                sletter = c.lower()
+                if sletter == c: continue
+                bletter = sletter.encode(enc)
+                if len(bletter) != 1: continue
+                if bletter.decode(enc) != sletter: continue
+                bpat = re.escape(bytes([i]))
+                break
+            except (UnicodeError, TypeError):
+                pass
+        else:
+            bletter = None
+            bpat = b'A'
+        # Bytes patterns
+        pat = re.compile(bpat, re.LOCALE | re.IGNORECASE)
+        if bletter:
+            self.assertTrue(pat.match(bletter))
+        pat = re.compile(b'(?L)' + bpat, re.IGNORECASE)
+        if bletter:
+            self.assertTrue(pat.match(bletter))
+        pat = re.compile(bpat, re.IGNORECASE)
+        if bletter:
+            self.assertIsNone(pat.match(bletter))
+        pat = re.compile(b'\w', re.LOCALE)
+        if bletter:
+            self.assertTrue(pat.match(bletter))
+        pat = re.compile(b'(?L)\w')
+        if bletter:
+            self.assertTrue(pat.match(bletter))
+        pat = re.compile(b'\w')
+        if bletter:
+            self.assertIsNone(pat.match(bletter))
+        # Incompatibilities
+        self.assertWarns(DeprecationWarning, re.compile, '', re.LOCALE)
+        self.assertWarns(DeprecationWarning, re.compile, '(?L)')
+        self.assertWarns(DeprecationWarning, re.compile, b'', re.LOCALE | re.ASCII)
+        self.assertWarns(DeprecationWarning, re.compile, b'(?L)', re.ASCII)
+        self.assertWarns(DeprecationWarning, re.compile, b'(?a)', re.LOCALE)
+        self.assertWarns(DeprecationWarning, re.compile, b'(?aL)')
+
     def test_bug_6509(self):
         # Replacement strings of both types must parse properly.
         # all strings
@@ -1170,8 +1395,10 @@ class ReTests(unittest.TestCase):
         # a RuntimeError is raised instead of OverflowError.
         long_overflow = 2**128
         self.assertRaises(TypeError, re.finditer, "a", {})
-        self.assertRaises(OverflowError, _sre.compile, "abc", 0, [long_overflow])
-        self.assertRaises(TypeError, _sre.compile, {}, 0, [])
+        with self.assertRaises(OverflowError):
+            _sre.compile("abc", 0, [long_overflow], 0, [], [])
+        with self.assertRaises(TypeError):
+            _sre.compile({}, 0, [], 0, [], [])
 
     def test_search_dot_unicode(self):
         self.assertTrue(re.search("123.*-", '123abc-'))
@@ -1193,8 +1420,9 @@ class ReTests(unittest.TestCase):
     def test_bug_13899(self):
         # Issue #13899: re pattern r"[\A]" should work like "A" but matches
         # nothing. Ditto B and Z.
-        self.assertEqual(re.findall(r'[\A\B\b\C\Z]', 'AB\bCZ'),
-                         ['A', 'B', '\b', 'C', 'Z'])
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual(re.findall(r'[\A\B\b\C\Z]', 'AB\bCZ'),
+                             ['A', 'B', '\b', 'C', 'Z'])
 
     @bigmemtest(size=_2G, memuse=1)
     def test_large_search(self, size):
@@ -1253,13 +1481,13 @@ class ReTests(unittest.TestCase):
 
     def test_backref_group_name_in_exception(self):
         # Issue 17341: Poor error message when compiling invalid regex
-        with self.assertRaisesRegex(sre_constants.error, '<foo>'):
-            re.compile('(?P=<foo>)')
+        self.checkPatternError('(?P=<foo>)',
+                               "bad character in group name '<foo>'", 4)
 
     def test_group_name_in_exception(self):
         # Issue 17341: Poor error message when compiling invalid regex
-        with self.assertRaisesRegex(sre_constants.error, '\?foo'):
-            re.compile('(?P<?foo>)')
+        self.checkPatternError('(?P<?foo>)',
+                               "bad character in group name '?foo'", 4)
 
     def test_issue17998(self):
         for reps in '*', '+', '?', '{1}':
@@ -1309,22 +1537,22 @@ class ReTests(unittest.TestCase):
         with captured_stdout() as out:
             re.compile(pat, re.DEBUG)
         dump = '''\
-subpattern 1
-  literal 46
-subpattern None
-  branch
-    in
-      literal 99
-      literal 104
-  or
-    literal 112
-    literal 121
-subpattern None
-  groupref_exists 1
-    at at_end
-  else
-    literal 58
-    literal 32
+SUBPATTERN 1
+  LITERAL 46
+SUBPATTERN None
+  BRANCH
+    IN
+      LITERAL 99
+      LITERAL 104
+  OR
+    LITERAL 112
+    LITERAL 121
+SUBPATTERN None
+  GROUPREF_EXISTS 1
+    AT AT_END
+  ELSE
+    LITERAL 58
+    LITERAL 32
 '''
         self.assertEqual(out.getvalue(), dump)
         # Debug output is output again even a second time (bypassing
@@ -1392,6 +1620,55 @@ subpattern None
         self.assertIsNone(re.match(b'(?Li)\xc5', b'\xe5'))
         self.assertIsNone(re.match(b'(?Li)\xe5', b'\xc5'))
 
+    def test_error(self):
+        with self.assertRaises(re.error) as cm:
+            re.compile('(\u20ac))')
+        err = cm.exception
+        self.assertIsInstance(err.pattern, str)
+        self.assertEqual(err.pattern, '(\u20ac))')
+        self.assertEqual(err.pos, 3)
+        self.assertEqual(err.lineno, 1)
+        self.assertEqual(err.colno, 4)
+        self.assertIn(err.msg, str(err))
+        self.assertIn(' at position 3', str(err))
+        self.assertNotIn(' at position 3', err.msg)
+        # Bytes pattern
+        with self.assertRaises(re.error) as cm:
+            re.compile(b'(\xa4))')
+        err = cm.exception
+        self.assertIsInstance(err.pattern, bytes)
+        self.assertEqual(err.pattern, b'(\xa4))')
+        self.assertEqual(err.pos, 3)
+        # Multiline pattern
+        with self.assertRaises(re.error) as cm:
+            re.compile("""
+                (
+                    abc
+                )
+                )
+                (
+                """, re.VERBOSE)
+        err = cm.exception
+        self.assertEqual(err.pos, 77)
+        self.assertEqual(err.lineno, 5)
+        self.assertEqual(err.colno, 17)
+        self.assertIn(err.msg, str(err))
+        self.assertIn(' at position 77', str(err))
+        self.assertIn('(line 5, column 17)', str(err))
+
+    def test_misc_errors(self):
+        self.checkPatternError(r'(', 'missing ), unterminated subpattern', 0)
+        self.checkPatternError(r'((a|b)', 'missing ), unterminated subpattern', 0)
+        self.checkPatternError(r'(a|b))', 'unbalanced parenthesis', 5)
+        self.checkPatternError(r'(?P', 'unexpected end of pattern', 3)
+        self.checkPatternError(r'(?z)', 'unknown extension ?z', 1)
+        self.checkPatternError(r'(?iz)', 'unknown flag', 3)
+        self.checkPatternError(r'(?i', 'missing )', 3)
+        self.checkPatternError(r'(?#abc', 'missing ), unterminated comment', 0)
+        self.checkPatternError(r'(?<', 'unexpected end of pattern', 3)
+        self.checkPatternError(r'(?<>)', 'unknown extension ?<>', 1)
+        self.checkPatternError(r'(?', 'unexpected end of pattern', 2)
+
 
 class PatternReprTests(unittest.TestCase):
     def check(self, pattern, expected):
@@ -1436,6 +1713,10 @@ class PatternReprTests(unittest.TestCase):
         self.check_flags(b'bytes pattern', re.A,
                          "re.compile(b'bytes pattern', re.ASCII)")
 
+    def test_locale(self):
+        self.check_flags(b'bytes pattern', re.L,
+                         "re.compile(b'bytes pattern', re.LOCALE)")
+
     def test_quotes(self):
         self.check('random "double quoted" pattern',
             '''re.compile('random "double quoted" pattern')''')
@@ -1549,8 +1830,16 @@ class ExternalTests(unittest.TestCase):
                     pass
                 else:
                     with self.subTest('bytes pattern match'):
-                        bpat = re.compile(bpat)
-                        self.assertTrue(bpat.search(bs))
+                        obj = re.compile(bpat)
+                        self.assertTrue(obj.search(bs))
+
+                    # Try the match with LOCALE enabled, and check that it
+                    # still succeeds.
+                    with self.subTest('locale-sensitive match'):
+                        obj = re.compile(bpat, re.LOCALE)
+                        result = obj.search(bs)
+                        if result is None:
+                            print('=== Fails on locale-sensitive match', t)
 
                 # Try the match with the search area limited to the extent
                 # of the match and see if it still succeeds.  \B will
@@ -1568,13 +1857,6 @@ class ExternalTests(unittest.TestCase):
                     obj = re.compile(pattern, re.IGNORECASE)
                     self.assertTrue(obj.search(s))
 
-                # Try the match with LOCALE enabled, and check that it
-                # still succeeds.
-                if '(?u)' not in pattern:
-                    with self.subTest('locale-sensitive match'):
-                        obj = re.compile(pattern, re.LOCALE)
-                        self.assertTrue(obj.search(s))
-
                 # Try the match with UNICODE locale enabled, and check
                 # that it still succeeds.
                 with self.subTest('unicode-sensitive match'):
diff --git a/Lib/test/test_readline.py b/Lib/test/test_readline.py
index 0b2b0a5..e2063b1 100644
--- a/Lib/test/test_readline.py
+++ b/Lib/test/test_readline.py
@@ -2,8 +2,9 @@
 Very minimal unittests for parts of the readline module.
 """
 import os
+import tempfile
 import unittest
-from test.support import run_unittest, import_module
+from test.support import import_module, unlink
 from test.script_helper import assert_python_ok
 
 # Skip tests if there is no readline module
@@ -42,6 +43,45 @@ class TestHistoryManipulation (unittest.TestCase):
 
         self.assertEqual(readline.get_current_history_length(), 1)
 
+    @unittest.skipUnless(hasattr(readline, "append_history_file"),
+                         "append_history not available")
+    def test_write_read_append(self):
+        hfile = tempfile.NamedTemporaryFile(delete=False)
+        hfile.close()
+        hfilename = hfile.name
+        self.addCleanup(unlink, hfilename)
+
+        # test write-clear-read == nop
+        readline.clear_history()
+        readline.add_history("first line")
+        readline.add_history("second line")
+        readline.write_history_file(hfilename)
+
+        readline.clear_history()
+        self.assertEqual(readline.get_current_history_length(), 0)
+
+        readline.read_history_file(hfilename)
+        self.assertEqual(readline.get_current_history_length(), 2)
+        self.assertEqual(readline.get_history_item(1), "first line")
+        self.assertEqual(readline.get_history_item(2), "second line")
+
+        # test append
+        readline.append_history_file(1, hfilename)
+        readline.clear_history()
+        readline.read_history_file(hfilename)
+        self.assertEqual(readline.get_current_history_length(), 3)
+        self.assertEqual(readline.get_history_item(1), "first line")
+        self.assertEqual(readline.get_history_item(2), "second line")
+        self.assertEqual(readline.get_history_item(3), "second line")
+
+        # test 'no such file' behaviour
+        os.unlink(hfilename)
+        with self.assertRaises(FileNotFoundError):
+            readline.append_history_file(1, hfilename)
+
+        # write_history_file can create the target
+        readline.write_history_file(hfilename)
+
 
 class TestReadline(unittest.TestCase):
 
@@ -57,8 +97,5 @@ class TestReadline(unittest.TestCase):
         self.assertEqual(stdout, b'')
 
 
-def test_main():
-    run_unittest(TestHistoryManipulation, TestReadline)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_reprlib.py b/Lib/test/test_reprlib.py
index ae67f06..a51c4d7 100644
--- a/Lib/test/test_reprlib.py
+++ b/Lib/test/test_reprlib.py
@@ -10,7 +10,7 @@ import importlib
 import importlib.util
 import unittest
 
-from test.support import run_unittest, create_empty_file, verbose
+from test.support import create_empty_file, verbose
 from reprlib import repr as r # Don't shadow builtin repr
 from reprlib import Repr
 from reprlib import recursive_repr
@@ -70,18 +70,18 @@ class ReprTests(unittest.TestCase):
         eq(r([1, 2, 3, 4, 5, 6, 7]), "[1, 2, 3, 4, 5, 6, ...]")
 
         # Sets give up after 6 as well
-        eq(r(set([])), "set([])")
-        eq(r(set([1])), "set([1])")
-        eq(r(set([1, 2, 3])), "set([1, 2, 3])")
-        eq(r(set([1, 2, 3, 4, 5, 6])), "set([1, 2, 3, 4, 5, 6])")
-        eq(r(set([1, 2, 3, 4, 5, 6, 7])), "set([1, 2, 3, 4, 5, 6, ...])")
+        eq(r(set([])), "set()")
+        eq(r(set([1])), "{1}")
+        eq(r(set([1, 2, 3])), "{1, 2, 3}")
+        eq(r(set([1, 2, 3, 4, 5, 6])), "{1, 2, 3, 4, 5, 6}")
+        eq(r(set([1, 2, 3, 4, 5, 6, 7])), "{1, 2, 3, 4, 5, 6, ...}")
 
         # Frozensets give up after 6 as well
-        eq(r(frozenset([])), "frozenset([])")
-        eq(r(frozenset([1])), "frozenset([1])")
-        eq(r(frozenset([1, 2, 3])), "frozenset([1, 2, 3])")
-        eq(r(frozenset([1, 2, 3, 4, 5, 6])), "frozenset([1, 2, 3, 4, 5, 6])")
-        eq(r(frozenset([1, 2, 3, 4, 5, 6, 7])), "frozenset([1, 2, 3, 4, 5, 6, ...])")
+        eq(r(frozenset([])), "frozenset()")
+        eq(r(frozenset([1])), "frozenset({1})")
+        eq(r(frozenset([1, 2, 3])), "frozenset({1, 2, 3})")
+        eq(r(frozenset([1, 2, 3, 4, 5, 6])), "frozenset({1, 2, 3, 4, 5, 6})")
+        eq(r(frozenset([1, 2, 3, 4, 5, 6, 7])), "frozenset({1, 2, 3, 4, 5, 6, ...})")
 
         # collections.deque after 6
         eq(r(deque([1, 2, 3, 4, 5, 6, 7])), "deque([1, 2, 3, 4, 5, 6, ...])")
@@ -94,7 +94,7 @@ class ReprTests(unittest.TestCase):
         eq(r(d), "{'alice': 1, 'arthur': 1, 'bob': 2, 'charles': 3, ...}")
 
         # array.array after 5.
-        eq(r(array('i')), "array('i', [])")
+        eq(r(array('i')), "array('i')")
         eq(r(array('i', [1])), "array('i', [1])")
         eq(r(array('i', [1, 2])), "array('i', [1, 2])")
         eq(r(array('i', [1, 2, 3])), "array('i', [1, 2, 3])")
@@ -103,6 +103,20 @@ class ReprTests(unittest.TestCase):
         eq(r(array('i', [1, 2, 3, 4, 5, 6])),
                    "array('i', [1, 2, 3, 4, 5, ...])")
 
+    def test_set_literal(self):
+        eq = self.assertEqual
+        eq(r({1}), "{1}")
+        eq(r({1, 2, 3}), "{1, 2, 3}")
+        eq(r({1, 2, 3, 4, 5, 6}), "{1, 2, 3, 4, 5, 6}")
+        eq(r({1, 2, 3, 4, 5, 6, 7}), "{1, 2, 3, 4, 5, 6, ...}")
+
+    def test_frozenset(self):
+        eq = self.assertEqual
+        eq(r(frozenset({1})), "frozenset({1})")
+        eq(r(frozenset({1, 2, 3})), "frozenset({1, 2, 3})")
+        eq(r(frozenset({1, 2, 3, 4, 5, 6})), "frozenset({1, 2, 3, 4, 5, 6})")
+        eq(r(frozenset({1, 2, 3, 4, 5, 6, 7})), "frozenset({1, 2, 3, 4, 5, 6, ...})")
+
     def test_numbers(self):
         eq = self.assertEqual
         eq(r(123), repr(123))
@@ -123,7 +137,7 @@ class ReprTests(unittest.TestCase):
         eq(r(i2), expected)
 
         i3 = ClassWithFailingRepr()
-        eq(r(i3), ("<ClassWithFailingRepr instance at %x>"%id(i3)))
+        eq(r(i3), ("<ClassWithFailingRepr instance at %#x>"%id(i3)))
 
         s = r(ClassWithFailingRepr)
         self.assertTrue(s.startswith("<class "))
@@ -373,11 +387,5 @@ class TestRecursiveRepr(unittest.TestCase):
         m.append(m)
         self.assertEqual(repr(m), '<a, b, c, d, e, +++, x, +++>')
 
-def test_main():
-    run_unittest(ReprTests)
-    run_unittest(LongReprTest)
-    run_unittest(TestRecursiveRepr)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_richcmp.py b/Lib/test/test_richcmp.py
index 0b629dc..94185a4 100644
--- a/Lib/test/test_richcmp.py
+++ b/Lib/test/test_richcmp.py
@@ -326,8 +326,5 @@ class ListTest(unittest.TestCase):
             self.assertIs(op(x, y), True)
 
 
-def test_main():
-    support.run_unittest(VectorTest, NumberTest, MiscTest, DictTest, ListTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_rlcompleter.py b/Lib/test/test_rlcompleter.py
index 11a7bd2..9d4d0bd 100644
--- a/Lib/test/test_rlcompleter.py
+++ b/Lib/test/test_rlcompleter.py
@@ -1,4 +1,3 @@
-from test import support
 import unittest
 import builtins
 import rlcompleter
@@ -65,9 +64,5 @@ class TestRlcompleter(unittest.TestCase):
                          ['egg.{}('.format(x) for x in dir(str)
                           if x.startswith('s')])
 
-def test_main():
-    support.run_unittest(TestRlcompleter)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_runpy.py b/Lib/test/test_runpy.py
index 786b813..81caff8 100644
--- a/Lib/test/test_runpy.py
+++ b/Lib/test/test_runpy.py
@@ -8,7 +8,7 @@ import tempfile
 import importlib, importlib.machinery, importlib.util
 import py_compile
 from test.support import (
-    forget, make_legacy_pyc, run_unittest, unload, verbose, no_tracing,
+    forget, make_legacy_pyc, unload, verbose, no_tracing,
     create_empty_file)
 from test.script_helper import (
     make_pkg, make_script, make_zip_pkg, make_zip_script, temp_dir)
@@ -269,7 +269,7 @@ class RunModuleTestCase(unittest.TestCase, CodeExecutionMixin):
             if verbose > 1: print(ex) # Persist with cleaning up
 
     def _fix_ns_for_legacy_pyc(self, ns, alter_sys):
-        char_to_add = "c" if __debug__ else "o"
+        char_to_add = "c"
         ns["__file__"] += char_to_add
         ns["__cached__"] = ns["__file__"]
         spec = ns["__spec__"]
diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py
index eabbf57..85c1cfe 100644
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -200,6 +200,13 @@ class ParseTest(unittest.TestCase):
         parseString(s, XMLGenerator(result, 'utf-8'))
         self.assertEqual(result.getvalue(), xml_str(self.data, 'utf-8'))
 
+    def test_parseString_text(self):
+        encodings = ('us-ascii', 'iso-8859-1', 'utf-8',
+                     'utf-16', 'utf-16le', 'utf-16be')
+        for encoding in encodings:
+            self.check_parseString(xml_str(self.data, encoding))
+        self.check_parseString(self.data)
+
     def test_parseString_bytes(self):
         # UTF-8 is default encoding, US-ASCII is compatible with UTF-8,
         # UTF-16 is autodetected
@@ -306,12 +313,24 @@ class PrepareInputSourceTest(unittest.TestCase):
     def make_byte_stream(self):
         return BytesIO(b"This is a byte stream.")
 
+    def make_character_stream(self):
+        return StringIO("This is a character stream.")
+
     def checkContent(self, stream, content):
         self.assertIsNotNone(stream)
         self.assertEqual(stream.read(), content)
         stream.close()
 
 
+    def test_character_stream(self):
+        # If the source is an InputSource with a character stream, use it.
+        src = InputSource(self.file)
+        src.setCharacterStream(self.make_character_stream())
+        prep = prepare_input_source(src)
+        self.assertIsNone(prep.getByteStream())
+        self.checkContent(prep.getCharacterStream(),
+                          "This is a character stream.")
+
     def test_byte_stream(self):
         # If the source is an InputSource that does not have a character
         # stream but does have a byte stream, use the byte stream.
@@ -346,6 +365,14 @@ class PrepareInputSourceTest(unittest.TestCase):
         self.checkContent(prep.getByteStream(),
                           b"This is a byte stream.")
 
+    def test_text_file(self):
+        # If the source is a text file-like object, use it as a character
+        # stream.
+        prep = prepare_input_source(self.make_character_stream())
+        self.assertIsNone(prep.getByteStream())
+        self.checkContent(prep.getCharacterStream(),
+                          "This is a character stream.")
+
 
 # ===== XMLGenerator
 
@@ -1025,6 +1052,19 @@ class ExpatReaderTest(XmlTestBase):
 
         self.assertEqual(result.getvalue(), xml_test_out)
 
+    def test_expat_inpsource_character_stream(self):
+        parser = create_parser()
+        result = BytesIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        inpsrc = InputSource()
+        with open(TEST_XMLFILE, 'rt', encoding='iso-8859-1') as f:
+            inpsrc.setCharacterStream(f)
+            parser.parse(inpsrc)
+
+        self.assertEqual(result.getvalue(), xml_test_out)
+
     # ===== IncrementalParser support
 
     def test_expat_incremental(self):
diff --git a/Lib/test/test_scope.py b/Lib/test/test_scope.py
index b325545..4239b26 100644
--- a/Lib/test/test_scope.py
+++ b/Lib/test/test_scope.py
@@ -1,7 +1,7 @@
 import unittest
 import weakref
 
-from test.support import check_syntax_error, cpython_only, run_unittest
+from test.support import check_syntax_error, cpython_only
 
 
 class ScopeTests(unittest.TestCase):
@@ -757,8 +757,5 @@ class ScopeTests(unittest.TestCase):
         self.assertIsNone(ref())
 
 
-def test_main():
-    run_unittest(ScopeTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_script_helper.py b/Lib/test/test_script_helper.py
index 372d6a7..8694530 100755..100644
--- a/Lib/test/test_script_helper.py
+++ b/Lib/test/test_script_helper.py
@@ -23,21 +23,21 @@ class TestScriptHelper(unittest.TestCase):
         with self.assertRaises(AssertionError) as error_context:
             script_helper.assert_python_ok('-c', 'sys.exit(0)')
         error_msg = str(error_context.exception)
-        self.assertIn('command line was:', error_msg)
+        self.assertIn('command line:', error_msg)
         self.assertIn('sys.exit(0)', error_msg, msg='unexpected command line')
 
     def test_assert_python_failure_raises(self):
         with self.assertRaises(AssertionError) as error_context:
             script_helper.assert_python_failure('-c', 'import sys; sys.exit(0)')
         error_msg = str(error_context.exception)
-        self.assertIn('Process return code is 0,', error_msg)
+        self.assertIn('Process return code is 0\n', error_msg)
         self.assertIn('import sys; sys.exit(0)', error_msg,
                       msg='unexpected command line.')
 
     @mock.patch('subprocess.Popen')
     def test_assert_python_isolated_when_env_not_required(self, mock_popen):
         with mock.patch.object(script_helper,
-                               '_interpreter_requires_environment',
+                               'interpreter_requires_environment',
                                return_value=False) as mock_ire_func:
             mock_popen.side_effect = RuntimeError('bail out of unittest')
             try:
@@ -56,7 +56,7 @@ class TestScriptHelper(unittest.TestCase):
     def test_assert_python_not_isolated_when_env_is_required(self, mock_popen):
         """Ensure that -I is not passed when the environment is required."""
         with mock.patch.object(script_helper,
-                               '_interpreter_requires_environment',
+                               'interpreter_requires_environment',
                                return_value=True) as mock_ire_func:
             mock_popen.side_effect = RuntimeError('bail out of unittest')
             try:
@@ -69,7 +69,7 @@ class TestScriptHelper(unittest.TestCase):
 
 
 class TestScriptHelperEnvironment(unittest.TestCase):
-    """Code coverage for _interpreter_requires_environment()."""
+    """Code coverage for interpreter_requires_environment()."""
 
     def setUp(self):
         self.assertTrue(
@@ -84,22 +84,22 @@ class TestScriptHelperEnvironment(unittest.TestCase):
     @mock.patch('subprocess.check_call')
     def test_interpreter_requires_environment_true(self, mock_check_call):
         mock_check_call.side_effect = subprocess.CalledProcessError('', '')
-        self.assertTrue(script_helper._interpreter_requires_environment())
-        self.assertTrue(script_helper._interpreter_requires_environment())
+        self.assertTrue(script_helper.interpreter_requires_environment())
+        self.assertTrue(script_helper.interpreter_requires_environment())
         self.assertEqual(1, mock_check_call.call_count)
 
     @mock.patch('subprocess.check_call')
     def test_interpreter_requires_environment_false(self, mock_check_call):
         # The mocked subprocess.check_call fakes a no-error process.
-        script_helper._interpreter_requires_environment()
-        self.assertFalse(script_helper._interpreter_requires_environment())
+        script_helper.interpreter_requires_environment()
+        self.assertFalse(script_helper.interpreter_requires_environment())
         self.assertEqual(1, mock_check_call.call_count)
 
     @mock.patch('subprocess.check_call')
     def test_interpreter_requires_environment_details(self, mock_check_call):
-        script_helper._interpreter_requires_environment()
-        self.assertFalse(script_helper._interpreter_requires_environment())
-        self.assertFalse(script_helper._interpreter_requires_environment())
+        script_helper.interpreter_requires_environment()
+        self.assertFalse(script_helper.interpreter_requires_environment())
+        self.assertFalse(script_helper.interpreter_requires_environment())
         self.assertEqual(1, mock_check_call.call_count)
         check_call_command = mock_check_call.call_args[0][0]
         self.assertEqual(sys.executable, check_call_command[0])
diff --git a/Lib/test/test_select.py b/Lib/test/test_select.py
index 8f9a1c9..a973f3f 100644
--- a/Lib/test/test_select.py
+++ b/Lib/test/test_select.py
@@ -75,9 +75,8 @@ class SelectTestCase(unittest.TestCase):
         a[:] = [F()] * 10
         self.assertEqual(select.select([], a, []), ([], a[:5], []))
 
-def test_main():
-    support.run_unittest(SelectTestCase)
+def tearDownModule():
     support.reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_selectors.py b/Lib/test/test_selectors.py
index 952fda6..454c17b 100644
--- a/Lib/test/test_selectors.py
+++ b/Lib/test/test_selectors.py
@@ -9,10 +9,7 @@ from test import support
 from time import sleep
 import unittest
 import unittest.mock
-try:
-    from time import monotonic as time
-except ImportError:
-    from time import time as time
+from time import monotonic as time
 try:
     import resource
 except ImportError:
@@ -25,7 +22,7 @@ else:
     def socketpair(family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0):
         with socket.socket(family, type, proto) as l:
             l.bind((support.HOST, 0))
-            l.listen(3)
+            l.listen()
             c = socket.socket(family, type, proto)
             try:
                 c.connect(l.getsockname())
@@ -188,8 +185,8 @@ class BaseSelectorTestCase(unittest.TestCase):
         s.register(wr, selectors.EVENT_WRITE)
 
         s.close()
-        self.assertRaises(KeyError, s.get_key, rd)
-        self.assertRaises(KeyError, s.get_key, wr)
+        self.assertRaises(RuntimeError, s.get_key, rd)
+        self.assertRaises(RuntimeError, s.get_key, wr)
         self.assertRaises(KeyError, mapping.__getitem__, rd)
         self.assertRaises(KeyError, mapping.__getitem__, wr)
 
@@ -258,8 +255,8 @@ class BaseSelectorTestCase(unittest.TestCase):
             sel.register(rd, selectors.EVENT_READ)
             sel.register(wr, selectors.EVENT_WRITE)
 
-        self.assertRaises(KeyError, s.get_key, rd)
-        self.assertRaises(KeyError, s.get_key, wr)
+        self.assertRaises(RuntimeError, s.get_key, rd)
+        self.assertRaises(RuntimeError, s.get_key, wr)
 
     def test_fileno(self):
         s = self.SELECTOR()
@@ -360,7 +357,35 @@ class BaseSelectorTestCase(unittest.TestCase):
 
     @unittest.skipUnless(hasattr(signal, "alarm"),
                          "signal.alarm() required for this test")
-    def test_select_interrupt(self):
+    def test_select_interrupt_exc(self):
+        s = self.SELECTOR()
+        self.addCleanup(s.close)
+
+        rd, wr = self.make_socketpair()
+
+        class InterruptSelect(Exception):
+            pass
+
+        def handler(*args):
+            raise InterruptSelect
+
+        orig_alrm_handler = signal.signal(signal.SIGALRM, handler)
+        self.addCleanup(signal.signal, signal.SIGALRM, orig_alrm_handler)
+        self.addCleanup(signal.alarm, 0)
+
+        signal.alarm(1)
+
+        s.register(rd, selectors.EVENT_READ)
+        t = time()
+        # select() is interrupted by a signal which raises an exception
+        with self.assertRaises(InterruptSelect):
+            s.select(30)
+        # select() was interrupted before the timeout of 30 seconds
+        self.assertLess(time() - t, 5.0)
+
+    @unittest.skipUnless(hasattr(signal, "alarm"),
+                         "signal.alarm() required for this test")
+    def test_select_interrupt_noraise(self):
         s = self.SELECTOR()
         self.addCleanup(s.close)
 
@@ -374,8 +399,11 @@ class BaseSelectorTestCase(unittest.TestCase):
 
         s.register(rd, selectors.EVENT_READ)
         t = time()
-        self.assertFalse(s.select(2))
-        self.assertLess(time() - t, 2.5)
+        # select() is interrupted by a signal, but the signal handler doesn't
+        # raise an exception, so select() should by retries with a recomputed
+        # timeout
+        self.assertFalse(s.select(1.5))
+        self.assertGreaterEqual(time() - t, 1.0)
 
 
 class ScalableSelectorMixIn:
@@ -455,10 +483,18 @@ class KqueueSelectorTestCase(BaseSelectorTestCase, ScalableSelectorMixIn):
     SELECTOR = getattr(selectors, 'KqueueSelector', None)
 
 
+@unittest.skipUnless(hasattr(selectors, 'DevpollSelector'),
+                     "Test needs selectors.DevpollSelector")
+class DevpollSelectorTestCase(BaseSelectorTestCase, ScalableSelectorMixIn):
+
+    SELECTOR = getattr(selectors, 'DevpollSelector', None)
+
+
+
 def test_main():
     tests = [DefaultSelectorTestCase, SelectSelectorTestCase,
              PollSelectorTestCase, EpollSelectorTestCase,
-             KqueueSelectorTestCase]
+             KqueueSelectorTestCase, DevpollSelectorTestCase]
     support.run_unittest(*tests)
     support.reap_children()
 
diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index 65e4243..c25386f 100644
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -931,7 +931,7 @@ class TestBasicOpsString(TestBasicOps, unittest.TestCase):
 
 class TestBasicOpsBytes(TestBasicOps, unittest.TestCase):
     def setUp(self):
-        self.case   = "string set"
+        self.case   = "bytes set"
         self.values = [b"a", b"b", b"c"]
         self.set    = set(self.values)
         self.dup    = set(self.values)
diff --git a/Lib/test/test_shlex.py b/Lib/test/test_shlex.py
index d2809ae..4fafdd4 100644
--- a/Lib/test/test_shlex.py
+++ b/Lib/test/test_shlex.py
@@ -3,7 +3,6 @@ import shlex
 import string
 import unittest
 
-from test import support
 
 
 # The original test data set was from shellwords, by Hartmut Goebel.
@@ -195,8 +194,5 @@ if not getattr(shlex, "split", None):
         if methname.startswith("test") and methname != "testCompat":
             delattr(ShlexTest, methname)
 
-def test_main():
-    support.run_unittest(ShlexTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
index 9325bc7..c5545ba 100644
--- a/Lib/test/test_shutil.py
+++ b/Lib/test/test_shutil.py
@@ -34,6 +34,12 @@ try:
 except ImportError:
     BZ2_SUPPORTED = False
 
+try:
+    import lzma
+    LZMA_SUPPORTED = True
+except ImportError:
+    LZMA_SUPPORTED = False
+
 TESTFN2 = TESTFN + "2"
 
 try:
@@ -1189,6 +1195,8 @@ class TestShutil(unittest.TestCase):
         formats = ['tar', 'gztar', 'zip']
         if BZ2_SUPPORTED:
             formats.append('bztar')
+        if LZMA_SUPPORTED:
+            formats.append('xztar')
 
         for format in formats:
             tmpdir = self.mkdtemp()
@@ -1625,6 +1633,24 @@ class TestMove(unittest.TestCase):
         rv = shutil.move(self.src_file, os.path.join(self.dst_dir, 'bar'))
         self.assertEqual(rv, os.path.join(self.dst_dir, 'bar'))
 
+    @mock_rename
+    def test_move_file_special_function(self):
+        moved = []
+        def _copy(src, dst):
+            moved.append((src, dst))
+        shutil.move(self.src_file, self.dst_dir, copy_function=_copy)
+        self.assertEqual(len(moved), 1)
+
+    @mock_rename
+    def test_move_dir_special_function(self):
+        moved = []
+        def _copy(src, dst):
+            moved.append((src, dst))
+        support.create_empty_file(os.path.join(self.src_dir, 'child'))
+        support.create_empty_file(os.path.join(self.src_dir, 'child1'))
+        shutil.move(self.src_dir, self.dst_dir, copy_function=_copy)
+        self.assertEqual(len(moved), 3)
+
 
 class TestCopyFile(unittest.TestCase):
 
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 74f74af..a396331 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -1,10 +1,12 @@
 import unittest
 from test import support
 from contextlib import closing
+import enum
 import gc
 import pickle
 import select
 import signal
+import socket
 import struct
 import subprocess
 import traceback
@@ -14,6 +16,10 @@ try:
     import threading
 except ImportError:
     threading = None
+try:
+    import _testcapi
+except ImportError:
+    _testcapi = None
 
 
 class HandlerBCalled(Exception):
@@ -39,6 +45,23 @@ def ignoring_eintr(__func, *args, **kwargs):
         return None
 
 
+class GenericTests(unittest.TestCase):
+
+    @unittest.skipIf(threading is None, "test needs threading module")
+    def test_enums(self):
+        for name in dir(signal):
+            sig = getattr(signal, name)
+            if name in {'SIG_DFL', 'SIG_IGN'}:
+                self.assertIsInstance(sig, signal.Handlers)
+            elif name in {'SIG_BLOCK', 'SIG_UNBLOCK', 'SIG_SETMASK'}:
+                self.assertIsInstance(sig, signal.Sigmasks)
+            elif name.startswith('SIG') and not name.startswith('SIG_'):
+                self.assertIsInstance(sig, signal.Signals)
+            elif name.startswith('CTRL_'):
+                self.assertIsInstance(sig, signal.Signals)
+                self.assertEqual(sys.platform, "win32")
+
+
 @unittest.skipIf(sys.platform == "win32", "Not valid on Windows")
 class InterProcessSignalTests(unittest.TestCase):
     MAX_DURATION = 20   # Entire test should last at most 20 sec.
@@ -195,6 +218,7 @@ class PosixTests(unittest.TestCase):
 
     def test_getsignal(self):
         hup = signal.signal(signal.SIGHUP, self.trivial_signal_handler)
+        self.assertIsInstance(hup, signal.Handlers)
         self.assertEqual(signal.getsignal(signal.SIGHUP),
                          self.trivial_signal_handler)
         signal.signal(signal.SIGHUP, hup)
@@ -229,15 +253,77 @@ class WakeupFDTests(unittest.TestCase):
 
     def test_invalid_fd(self):
         fd = support.make_bad_fd()
-        self.assertRaises(ValueError, signal.set_wakeup_fd, fd)
+        self.assertRaises((ValueError, OSError),
+                          signal.set_wakeup_fd, fd)
+
+    def test_invalid_socket(self):
+        sock = socket.socket()
+        fd = sock.fileno()
+        sock.close()
+        self.assertRaises((ValueError, OSError),
+                          signal.set_wakeup_fd, fd)
+
+    def test_set_wakeup_fd_result(self):
+        r1, w1 = os.pipe()
+        self.addCleanup(os.close, r1)
+        self.addCleanup(os.close, w1)
+        r2, w2 = os.pipe()
+        self.addCleanup(os.close, r2)
+        self.addCleanup(os.close, w2)
+
+        if hasattr(os, 'set_blocking'):
+            os.set_blocking(w1, False)
+            os.set_blocking(w2, False)
+
+        signal.set_wakeup_fd(w1)
+        self.assertEqual(signal.set_wakeup_fd(w2), w1)
+        self.assertEqual(signal.set_wakeup_fd(-1), w2)
+        self.assertEqual(signal.set_wakeup_fd(-1), -1)
+
+    def test_set_wakeup_fd_socket_result(self):
+        sock1 = socket.socket()
+        self.addCleanup(sock1.close)
+        sock1.setblocking(False)
+        fd1 = sock1.fileno()
+
+        sock2 = socket.socket()
+        self.addCleanup(sock2.close)
+        sock2.setblocking(False)
+        fd2 = sock2.fileno()
+
+        signal.set_wakeup_fd(fd1)
+        self.assertEqual(signal.set_wakeup_fd(fd2), fd1)
+        self.assertEqual(signal.set_wakeup_fd(-1), fd2)
+        self.assertEqual(signal.set_wakeup_fd(-1), -1)
+
+    # On Windows, files are always blocking and Windows does not provide a
+    # function to test if a socket is in non-blocking mode.
+    @unittest.skipIf(sys.platform == "win32", "tests specific to POSIX")
+    def test_set_wakeup_fd_blocking(self):
+        rfd, wfd = os.pipe()
+        self.addCleanup(os.close, rfd)
+        self.addCleanup(os.close, wfd)
+
+        # fd must be non-blocking
+        os.set_blocking(wfd, True)
+        with self.assertRaises(ValueError) as cm:
+            signal.set_wakeup_fd(wfd)
+        self.assertEqual(str(cm.exception),
+                         "the fd %s must be in non-blocking mode" % wfd)
+
+        # non-blocking is ok
+        os.set_blocking(wfd, False)
+        signal.set_wakeup_fd(wfd)
+        signal.set_wakeup_fd(-1)
 
 
 @unittest.skipIf(sys.platform == "win32", "Not valid on Windows")
 class WakeupSignalTests(unittest.TestCase):
+    @unittest.skipIf(_testcapi is None, 'need _testcapi')
     def check_wakeup(self, test_body, *signals, ordered=True):
         # use a subprocess to have only one thread
         code = """if 1:
-        import fcntl
+        import _testcapi
         import os
         import signal
         import struct
@@ -260,10 +346,7 @@ class WakeupSignalTests(unittest.TestCase):
 
         signal.signal(signal.SIGALRM, handler)
         read, write = os.pipe()
-        for fd in (read, write):
-            flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
-            flags = flags | os.O_NONBLOCK
-            fcntl.fcntl(fd, fcntl.F_SETFL, flags)
+        os.set_blocking(write, False)
         signal.set_wakeup_fd(write)
 
         test()
@@ -271,21 +354,21 @@ class WakeupSignalTests(unittest.TestCase):
 
         os.close(read)
         os.close(write)
-        """.format(signals, ordered, test_body)
+        """.format(tuple(map(int, signals)), ordered, test_body)
 
         assert_python_ok('-c', code)
 
+    @unittest.skipIf(_testcapi is None, 'need _testcapi')
     def test_wakeup_write_error(self):
         # Issue #16105: write() errors in the C signal handler should not
         # pass silently.
         # Use a subprocess to have only one thread.
         code = """if 1:
+        import _testcapi
         import errno
-        import fcntl
         import os
         import signal
         import sys
-        import time
         from test.support import captured_stderr
 
         def handler(signum, frame):
@@ -293,15 +376,13 @@ class WakeupSignalTests(unittest.TestCase):
 
         signal.signal(signal.SIGALRM, handler)
         r, w = os.pipe()
-        flags = fcntl.fcntl(r, fcntl.F_GETFL, 0)
-        fcntl.fcntl(r, fcntl.F_SETFL, flags | os.O_NONBLOCK)
+        os.set_blocking(r, False)
 
         # Set wakeup_fd a read-only file descriptor to trigger the error
         signal.set_wakeup_fd(r)
         try:
             with captured_stderr() as err:
-                signal.alarm(1)
-                time.sleep(5.0)
+                _testcapi.raise_signal(signal.SIGALRM)
         except ZeroDivisionError:
             # An ignored exception should have been printed out on stderr
             err = err.getvalue()
@@ -312,6 +393,9 @@ class WakeupSignalTests(unittest.TestCase):
                 raise AssertionError(err)
         else:
             raise AssertionError("ZeroDivisionError not raised")
+
+        os.close(r)
+        os.close(w)
         """
         r, w = os.pipe()
         try:
@@ -334,18 +418,28 @@ class WakeupSignalTests(unittest.TestCase):
             TIMEOUT_FULL = 10
             TIMEOUT_HALF = 5
 
+            class InterruptSelect(Exception):
+                pass
+
+            def handler(signum, frame):
+                raise InterruptSelect
+            signal.signal(signal.SIGALRM, handler)
+
             signal.alarm(1)
-            before_time = time.time()
+
             # We attempt to get a signal during the sleep,
             # before select is called
-            time.sleep(TIMEOUT_FULL)
-            mid_time = time.time()
-            dt = mid_time - before_time
-            if dt >= TIMEOUT_HALF:
-                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
+            try:
+                select.select([], [], [], TIMEOUT_FULL)
+            except InterruptSelect:
+                pass
+            else:
+                raise Exception("select() was not interrupted")
+
+            before_time = time.monotonic()
             select.select([read], [], [], TIMEOUT_FULL)
-            after_time = time.time()
-            dt = after_time - mid_time
+            after_time = time.monotonic()
+            dt = after_time - before_time
             if dt >= TIMEOUT_HALF:
                 raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
         """, signal.SIGALRM)
@@ -358,16 +452,23 @@ class WakeupSignalTests(unittest.TestCase):
             TIMEOUT_FULL = 10
             TIMEOUT_HALF = 5
 
+            class InterruptSelect(Exception):
+                pass
+
+            def handler(signum, frame):
+                raise InterruptSelect
+            signal.signal(signal.SIGALRM, handler)
+
             signal.alarm(1)
-            before_time = time.time()
+            before_time = time.monotonic()
             # We attempt to get a signal during the select call
             try:
                 select.select([read], [], [], TIMEOUT_FULL)
-            except OSError:
+            except InterruptSelect:
                 pass
             else:
-                raise Exception("OSError not raised")
-            after_time = time.time()
+                raise Exception("select() was not interrupted")
+            after_time = time.monotonic()
             dt = after_time - before_time
             if dt >= TIMEOUT_HALF:
                 raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
@@ -375,9 +476,10 @@ class WakeupSignalTests(unittest.TestCase):
 
     def test_signum(self):
         self.check_wakeup("""def test():
+            import _testcapi
             signal.signal(signal.SIGUSR1, handler)
-            os.kill(os.getpid(), signal.SIGUSR1)
-            os.kill(os.getpid(), signal.SIGALRM)
+            _testcapi.raise_signal(signal.SIGUSR1)
+            _testcapi.raise_signal(signal.SIGALRM)
         """, signal.SIGUSR1, signal.SIGALRM)
 
     @unittest.skipUnless(hasattr(signal, 'pthread_sigmask'),
@@ -391,13 +493,97 @@ class WakeupSignalTests(unittest.TestCase):
             signal.signal(signum2, handler)
 
             signal.pthread_sigmask(signal.SIG_BLOCK, (signum1, signum2))
-            os.kill(os.getpid(), signum1)
-            os.kill(os.getpid(), signum2)
+            _testcapi.raise_signal(signum1)
+            _testcapi.raise_signal(signum2)
             # Unblocking the 2 signals calls the C signal handler twice
             signal.pthread_sigmask(signal.SIG_UNBLOCK, (signum1, signum2))
         """,  signal.SIGUSR1, signal.SIGUSR2, ordered=False)
 
 
+@unittest.skipUnless(hasattr(socket, 'socketpair'), 'need socket.socketpair')
+class WakeupSocketSignalTests(unittest.TestCase):
+
+    @unittest.skipIf(_testcapi is None, 'need _testcapi')
+    def test_socket(self):
+        # use a subprocess to have only one thread
+        code = """if 1:
+        import signal
+        import socket
+        import struct
+        import _testcapi
+
+        signum = signal.SIGINT
+        signals = (signum,)
+
+        def handler(signum, frame):
+            pass
+
+        signal.signal(signum, handler)
+
+        read, write = socket.socketpair()
+        read.setblocking(False)
+        write.setblocking(False)
+        signal.set_wakeup_fd(write.fileno())
+
+        _testcapi.raise_signal(signum)
+
+        data = read.recv(1)
+        if not data:
+            raise Exception("no signum written")
+        raised = struct.unpack('B', data)
+        if raised != signals:
+            raise Exception("%r != %r" % (raised, signals))
+
+        read.close()
+        write.close()
+        """
+
+        assert_python_ok('-c', code)
+
+    @unittest.skipIf(_testcapi is None, 'need _testcapi')
+    def test_send_error(self):
+        # Use a subprocess to have only one thread.
+        if os.name == 'nt':
+            action = 'send'
+        else:
+            action = 'write'
+        code = """if 1:
+        import errno
+        import signal
+        import socket
+        import sys
+        import time
+        import _testcapi
+        from test.support import captured_stderr
+
+        signum = signal.SIGINT
+
+        def handler(signum, frame):
+            pass
+
+        signal.signal(signum, handler)
+
+        read, write = socket.socketpair()
+        read.setblocking(False)
+        write.setblocking(False)
+
+        signal.set_wakeup_fd(write.fileno())
+
+        # Close sockets: send() will fail
+        read.close()
+        write.close()
+
+        with captured_stderr() as err:
+            _testcapi.raise_signal(signum)
+
+        err = err.getvalue()
+        if ('Exception ignored when trying to {action} to the signal wakeup fd'
+            not in err):
+            raise AssertionError(err)
+        """.format(action=action)
+        assert_python_ok('-c', code)
+
+
 @unittest.skipIf(sys.platform == "win32", "Not valid on Windows")
 class SiginterruptTest(unittest.TestCase):
 
@@ -418,7 +604,7 @@ class SiginterruptTest(unittest.TestCase):
             r, w = os.pipe()
 
             def handler(signum, frame):
-                pass
+                1 / 0
 
             signal.signal(signal.SIGALRM, handler)
             if interrupt is not None:
@@ -428,18 +614,21 @@ class SiginterruptTest(unittest.TestCase):
             sys.stdout.flush()
 
             # run the test twice
-            for loop in range(2):
-                # send a SIGALRM in a second (during the read)
-                signal.alarm(1)
-                try:
-                    # blocking call: read from a pipe without data
-                    os.read(r, 1)
-                except OSError as err:
-                    if err.errno != errno.EINTR:
-                        raise
-                else:
-                    sys.exit(2)
-            sys.exit(3)
+            try:
+                for loop in range(2):
+                    # send a SIGALRM in a second (during the read)
+                    signal.alarm(1)
+                    try:
+                        # blocking call: read from a pipe without data
+                        os.read(r, 1)
+                    except ZeroDivisionError:
+                        pass
+                    else:
+                        sys.exit(2)
+                sys.exit(3)
+            finally:
+                os.close(r)
+                os.close(w)
         """ % (interrupt,)
         with spawn_python('-c', code) as process:
             try:
@@ -537,8 +726,8 @@ class ItimerTest(unittest.TestCase):
         signal.signal(signal.SIGVTALRM, self.sig_vtalrm)
         signal.setitimer(self.itimer, 0.3, 0.2)
 
-        start_time = time.time()
-        while time.time() - start_time < 60.0:
+        start_time = time.monotonic()
+        while time.monotonic() - start_time < 60.0:
             # use up some virtual time by doing real work
             _ = pow(12345, 67890, 10000019)
             if signal.getitimer(self.itimer) == (0.0, 0.0):
@@ -560,8 +749,8 @@ class ItimerTest(unittest.TestCase):
         signal.signal(signal.SIGPROF, self.sig_prof)
         signal.setitimer(self.itimer, 0.2, 0.2)
 
-        start_time = time.time()
-        while time.time() - start_time < 60.0:
+        start_time = time.monotonic()
+        while time.monotonic() - start_time < 60.0:
             # do some work
             _ = pow(12345, 67890, 10000019)
             if signal.getitimer(self.itimer) == (0.0, 0.0):
@@ -604,6 +793,8 @@ class PendingSignalsTests(unittest.TestCase):
             signal.pthread_sigmask(signal.SIG_BLOCK, [signum])
             os.kill(os.getpid(), signum)
             pending = signal.sigpending()
+            for sig in pending:
+                assert isinstance(sig, signal.Signals), repr(pending)
             if pending != {signum}:
                 raise Exception('%s != {%s}' % (pending, signum))
             try:
@@ -660,6 +851,7 @@ class PendingSignalsTests(unittest.TestCase):
         code = '''if 1:
         import signal
         import sys
+        from signal import Signals
 
         def handler(signum, frame):
             1/0
@@ -702,6 +894,7 @@ class PendingSignalsTests(unittest.TestCase):
         def test(signum):
             signal.alarm(1)
             received = signal.sigwait([signum])
+            assert isinstance(received, signal.Signals), received
             if received != signum:
                 raise Exception('received %s, not %s' % (received, signum))
         ''')
@@ -757,35 +950,6 @@ class PendingSignalsTests(unittest.TestCase):
         signum = signal.SIGALRM
         self.assertRaises(ValueError, signal.sigtimedwait, [signum], -1.0)
 
-    @unittest.skipUnless(hasattr(signal, 'sigwaitinfo'),
-                         'need signal.sigwaitinfo()')
-    # Issue #18238: sigwaitinfo() can be interrupted on Linux (raises
-    # InterruptedError), but not on AIX
-    @unittest.skipIf(sys.platform.startswith("aix"),
-                     'signal.sigwaitinfo() cannot be interrupted on AIX')
-    def test_sigwaitinfo_interrupted(self):
-        self.wait_helper(signal.SIGUSR1, '''
-        def test(signum):
-            import errno
-
-            hndl_called = True
-            def alarm_handler(signum, frame):
-                hndl_called = False
-
-            signal.signal(signal.SIGALRM, alarm_handler)
-            signal.alarm(1)
-            try:
-                signal.sigwaitinfo([signal.SIGUSR1])
-            except OSError as e:
-                if e.errno == errno.EINTR:
-                    if not hndl_called:
-                        raise Exception("SIGALRM handler not called")
-                else:
-                    raise Exception("Expected EINTR to be raised by sigwaitinfo")
-            else:
-                raise Exception("Expected EINTR to be raised by sigwaitinfo")
-        ''')
-
     @unittest.skipUnless(hasattr(signal, 'sigwait'),
                          'need signal.sigwait()')
     @unittest.skipUnless(hasattr(signal, 'pthread_sigmask'),
@@ -842,8 +1006,14 @@ class PendingSignalsTests(unittest.TestCase):
         def kill(signum):
             os.kill(os.getpid(), signum)
 
+        def check_mask(mask):
+            for sig in mask:
+                assert isinstance(sig, signal.Signals), repr(sig)
+
         def read_sigmask():
-            return signal.pthread_sigmask(signal.SIG_BLOCK, [])
+            sigmask = signal.pthread_sigmask(signal.SIG_BLOCK, [])
+            check_mask(sigmask)
+            return sigmask
 
         signum = signal.SIGUSR1
 
@@ -852,6 +1022,7 @@ class PendingSignalsTests(unittest.TestCase):
 
         # Unblock SIGUSR1 (and copy the old mask) to test our signal handler
         old_mask = signal.pthread_sigmask(signal.SIG_UNBLOCK, [signum])
+        check_mask(old_mask)
         try:
             kill(signum)
         except ZeroDivisionError:
@@ -861,11 +1032,13 @@ class PendingSignalsTests(unittest.TestCase):
 
         # Block and then raise SIGUSR1. The signal is blocked: the signal
         # handler is not called, and the signal is now pending
-        signal.pthread_sigmask(signal.SIG_BLOCK, [signum])
+        mask = signal.pthread_sigmask(signal.SIG_BLOCK, [signum])
+        check_mask(mask)
         kill(signum)
 
         # Check the new mask
         blocked = read_sigmask()
+        check_mask(blocked)
         if signum not in blocked:
             raise Exception("%s not in %s" % (signum, blocked))
         if old_mask ^ blocked != {signum}:
@@ -926,15 +1099,8 @@ class PendingSignalsTests(unittest.TestCase):
                                 (exitcode, stdout))
 
 
-def test_main():
-    try:
-        support.run_unittest(PosixTests, InterProcessSignalTests,
-                             WakeupFDTests, WakeupSignalTests,
-                             SiginterruptTest, ItimerTest, WindowsSignalTests,
-                             PendingSignalsTests)
-    finally:
-        support.reap_children()
-
+def tearDownModule():
+    support.reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_site.py b/Lib/test/test_site.py
index f71cf73..e234164 100644
--- a/Lib/test/test_site.py
+++ b/Lib/test/test_site.py
@@ -147,7 +147,7 @@ class HelperFunctionsTests(unittest.TestCase):
             re.escape(os.path.join(pth_dir, pth_fn)))
         # XXX: ditto previous XXX comment.
         self.assertRegex(err_out.getvalue(), 'Traceback')
-        self.assertRegex(err_out.getvalue(), 'TypeError')
+        self.assertRegex(err_out.getvalue(), 'ValueError')
 
     def test_addsitedir(self):
         # Same tests for test_addpackage since addsitedir() essentially just
@@ -235,20 +235,18 @@ class HelperFunctionsTests(unittest.TestCase):
             # OS X framework builds
             site.PREFIXES = ['Python.framework']
             dirs = site.getsitepackages()
-            self.assertEqual(len(dirs), 3)
+            self.assertEqual(len(dirs), 2)
             wanted = os.path.join('/Library',
                                   sysconfig.get_config_var("PYTHONFRAMEWORK"),
                                   sys.version[:3],
                                   'site-packages')
-            self.assertEqual(dirs[2], wanted)
+            self.assertEqual(dirs[1], wanted)
         elif os.sep == '/':
             # OS X non-framwework builds, Linux, FreeBSD, etc
-            self.assertEqual(len(dirs), 2)
+            self.assertEqual(len(dirs), 1)
             wanted = os.path.join('xoxo', 'lib', 'python' + sys.version[:3],
                                   'site-packages')
             self.assertEqual(dirs[0], wanted)
-            wanted = os.path.join('xoxo', 'lib', 'site-python')
-            self.assertEqual(dirs[1], wanted)
         else:
             # other platforms
             self.assertEqual(len(dirs), 2)
diff --git a/Lib/test/test_slice.py b/Lib/test/test_slice.py
index 9203d5e..d885776 100644
--- a/Lib/test/test_slice.py
+++ b/Lib/test/test_slice.py
@@ -1,7 +1,6 @@
 # tests for slice objects; in particular the indices method.
 
 import unittest
-from test import support
 from pickle import loads, dumps
 
 import itertools
@@ -240,8 +239,5 @@ class SliceTest(unittest.TestCase):
             self.assertEqual(s.indices(15), t.indices(15))
             self.assertNotEqual(id(s), id(t))
 
-def test_main():
-    support.run_unittest(SliceTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_smtpd.py b/Lib/test/test_smtpd.py
index 93f14c4..6eb47f1 100644
--- a/Lib/test/test_smtpd.py
+++ b/Lib/test/test_smtpd.py
@@ -1,4 +1,5 @@
 import unittest
+import textwrap
 from test import support, mock_socket
 import socket
 import io
@@ -7,15 +8,22 @@ import asyncore
 
 
 class DummyServer(smtpd.SMTPServer):
-    def __init__(self, localaddr, remoteaddr):
-        smtpd.SMTPServer.__init__(self, localaddr, remoteaddr)
+    def __init__(self, *args, **kwargs):
+        smtpd.SMTPServer.__init__(self, *args, **kwargs)
         self.messages = []
+        if self._decode_data:
+            self.return_status = 'return status'
+        else:
+            self.return_status = b'return status'
 
     def process_message(self, peer, mailfrom, rcpttos, data):
         self.messages.append((peer, mailfrom, rcpttos, data))
-        if data == 'return status':
+        if data == self.return_status:
             return '250 Okish'
 
+    def process_smtputf8_message(self, *args, **kwargs):
+        return '250 SMTPUTF8 message okish'
+
 
 class DummyDispatcherBroken(Exception):
     pass
@@ -31,9 +39,10 @@ class SMTPDServerTest(unittest.TestCase):
         smtpd.socket = asyncore.socket = mock_socket
 
     def test_process_message_unimplemented(self):
-        server = smtpd.SMTPServer('a', 'b')
+        server = smtpd.SMTPServer((support.HOST, 0), ('b', 0),
+                                  decode_data=True)
         conn, addr = server.accept()
-        channel = smtpd.SMTPChannel(server, conn, addr)
+        channel = smtpd.SMTPChannel(server, conn, addr, decode_data=True)
 
         def write_line(line):
             channel.socket.queue_recv(line)
@@ -45,19 +54,163 @@ class SMTPDServerTest(unittest.TestCase):
         write_line(b'DATA')
         self.assertRaises(NotImplementedError, write_line, b'spam\r\n.\r\n')
 
+    def test_process_smtputf8_message_unimplemented(self):
+        server = smtpd.SMTPServer((support.HOST, 0), ('b', 0),
+                                  enable_SMTPUTF8=True)
+        conn, addr = server.accept()
+        channel = smtpd.SMTPChannel(server, conn, addr, enable_SMTPUTF8=True)
+
+        def write_line(line):
+            channel.socket.queue_recv(line)
+            channel.handle_read()
+
+        write_line(b'EHLO example')
+        write_line(b'MAIL From: <eggs@example> BODY=8BITMIME SMTPUTF8')
+        write_line(b'RCPT To: <spam@example>')
+        write_line(b'DATA')
+        self.assertRaises(NotImplementedError, write_line, b'spam\r\n.\r\n')
+
+    def test_decode_data_default_warns(self):
+        with self.assertWarns(DeprecationWarning):
+            smtpd.SMTPServer((support.HOST, 0), ('b', 0))
+
+    def test_decode_data_and_enable_SMTPUTF8_raises(self):
+        self.assertRaises(
+            ValueError,
+            smtpd.SMTPServer,
+            (support.HOST, 0),
+            ('b', 0),
+            enable_SMTPUTF8=True,
+            decode_data=True)
+
+    def tearDown(self):
+        asyncore.close_all()
+        asyncore.socket = smtpd.socket = socket
+
+
+class DebuggingServerTest(unittest.TestCase):
+
+    def setUp(self):
+        smtpd.socket = asyncore.socket = mock_socket
+
+    def send_data(self, channel, data, enable_SMTPUTF8=False):
+        def write_line(line):
+            channel.socket.queue_recv(line)
+            channel.handle_read()
+        write_line(b'EHLO example')
+        if enable_SMTPUTF8:
+            write_line(b'MAIL From:eggs@example BODY=8BITMIME SMTPUTF8')
+        else:
+            write_line(b'MAIL From:eggs@example')
+        write_line(b'RCPT To:spam@example')
+        write_line(b'DATA')
+        write_line(data)
+        write_line(b'.')
+
+    def test_process_message_with_decode_data_true(self):
+        server = smtpd.DebuggingServer((support.HOST, 0), ('b', 0),
+                                       decode_data=True)
+        conn, addr = server.accept()
+        channel = smtpd.SMTPChannel(server, conn, addr, decode_data=True)
+        with support.captured_stdout() as s:
+            self.send_data(channel, b'From: test\n\nhello\n')
+        stdout = s.getvalue()
+        self.assertEqual(stdout, textwrap.dedent("""\
+             ---------- MESSAGE FOLLOWS ----------
+             From: test
+             X-Peer: peer-address
+
+             hello
+             ------------ END MESSAGE ------------
+             """))
+
+    def test_process_message_with_decode_data_false(self):
+        server = smtpd.DebuggingServer((support.HOST, 0), ('b', 0),
+                                       decode_data=False)
+        conn, addr = server.accept()
+        channel = smtpd.SMTPChannel(server, conn, addr, decode_data=False)
+        with support.captured_stdout() as s:
+            self.send_data(channel, b'From: test\n\nh\xc3\xa9llo\xff\n')
+        stdout = s.getvalue()
+        self.assertEqual(stdout, textwrap.dedent("""\
+             ---------- MESSAGE FOLLOWS ----------
+             b'From: test'
+             b'X-Peer: peer-address'
+             b''
+             b'h\\xc3\\xa9llo\\xff'
+             ------------ END MESSAGE ------------
+             """))
+
+    def test_process_message_with_enable_SMTPUTF8_true(self):
+        server = smtpd.DebuggingServer((support.HOST, 0), ('b', 0),
+                                       enable_SMTPUTF8=True)
+        conn, addr = server.accept()
+        channel = smtpd.SMTPChannel(server, conn, addr, enable_SMTPUTF8=True)
+        with support.captured_stdout() as s:
+            self.send_data(channel, b'From: test\n\nh\xc3\xa9llo\xff\n')
+        stdout = s.getvalue()
+        self.assertEqual(stdout, textwrap.dedent("""\
+             ---------- MESSAGE FOLLOWS ----------
+             b'From: test'
+             b'X-Peer: peer-address'
+             b''
+             b'h\\xc3\\xa9llo\\xff'
+             ------------ END MESSAGE ------------
+             """))
+
+    def test_process_SMTPUTF8_message_with_enable_SMTPUTF8_true(self):
+        server = smtpd.DebuggingServer((support.HOST, 0), ('b', 0),
+                                       enable_SMTPUTF8=True)
+        conn, addr = server.accept()
+        channel = smtpd.SMTPChannel(server, conn, addr, enable_SMTPUTF8=True)
+        with support.captured_stdout() as s:
+            self.send_data(channel, b'From: test\n\nh\xc3\xa9llo\xff\n',
+                           enable_SMTPUTF8=True)
+        stdout = s.getvalue()
+        self.assertEqual(stdout, textwrap.dedent("""\
+             ----- SMTPUTF8 MESSAGE FOLLOWS ------
+             b'From: test'
+             b'X-Peer: peer-address'
+             b''
+             b'h\\xc3\\xa9llo\\xff'
+             ------------ END MESSAGE ------------
+             """))
+
     def tearDown(self):
         asyncore.close_all()
         asyncore.socket = smtpd.socket = socket
 
 
+class TestFamilyDetection(unittest.TestCase):
+    def setUp(self):
+        smtpd.socket = asyncore.socket = mock_socket
+
+    def tearDown(self):
+        asyncore.close_all()
+        asyncore.socket = smtpd.socket = socket
+
+    @unittest.skipUnless(support.IPV6_ENABLED, "IPv6 not enabled")
+    def test_socket_uses_IPv6(self):
+        server = smtpd.SMTPServer((support.HOSTv6, 0), (support.HOST, 0),
+                                  decode_data=False)
+        self.assertEqual(server.socket.family, socket.AF_INET6)
+
+    def test_socket_uses_IPv4(self):
+        server = smtpd.SMTPServer((support.HOST, 0), (support.HOSTv6, 0),
+                                  decode_data=False)
+        self.assertEqual(server.socket.family, socket.AF_INET)
+
+
 class SMTPDChannelTest(unittest.TestCase):
     def setUp(self):
         smtpd.socket = asyncore.socket = mock_socket
         self.old_debugstream = smtpd.DEBUGSTREAM
         self.debug = smtpd.DEBUGSTREAM = io.StringIO()
-        self.server = DummyServer('a', 'b')
+        self.server = DummyServer((support.HOST, 0), ('b', 0),
+                                  decode_data=True)
         conn, addr = self.server.accept()
-        self.channel = smtpd.SMTPChannel(self.server, conn, addr)
+        self.channel = smtpd.SMTPChannel(self.server, conn, addr,
+                                         decode_data=True)
 
     def tearDown(self):
         asyncore.close_all()
@@ -69,7 +222,9 @@ class SMTPDChannelTest(unittest.TestCase):
         self.channel.handle_read()
 
     def test_broken_connect(self):
-        self.assertRaises(DummyDispatcherBroken, BrokenDummyServer, 'a', 'b')
+        self.assertRaises(
+            DummyDispatcherBroken, BrokenDummyServer,
+            (support.HOST, 0), ('b', 0), decode_data=True)
 
     def test_server_accept(self):
         self.server.handle_accept()
@@ -214,6 +369,12 @@ class SMTPDChannelTest(unittest.TestCase):
         self.assertEqual(self.channel.socket.last,
                          b'500 Error: line too long\r\n')
 
+    def test_MAIL_command_rejects_SMTPUTF8_by_default(self):
+        self.write_line(b'EHLO example')
+        self.write_line(
+            b'MAIL from: <naive@example.com> BODY=8BITMIME SMTPUTF8')
+        self.assertEqual(self.channel.socket.last[0:1], b'5')
+
     def test_data_longer_than_default_data_size_limit(self):
         # Hack the default so we don't have to generate so much data.
         self.channel.data_size_limit = 1048
@@ -387,7 +548,10 @@ class SMTPDChannelTest(unittest.TestCase):
         self.write_line(b'data\r\nmore\r\n.')
         self.assertEqual(self.channel.socket.last, b'250 OK\r\n')
         self.assertEqual(self.server.messages,
-            [('peer', 'eggs@example', ['spam@example'], 'data\nmore')])
+            [(('peer-address', 'peer-port'),
+              'eggs@example',
+              ['spam@example'],
+              'data\nmore')])
 
     def test_DATA_syntax(self):
         self.write_line(b'HELO example')
@@ -417,7 +581,10 @@ class SMTPDChannelTest(unittest.TestCase):
         self.write_line(b'DATA')
         self.write_line(b'data\r\n.')
         self.assertEqual(self.server.messages,
-            [('peer', 'eggs@example', ['spam@example','ham@example'], 'data')])
+            [(('peer-address', 'peer-port'),
+              'eggs@example',
+              ['spam@example','ham@example'],
+              'data')])
 
     def test_manual_status(self):
         # checks that the Channel is able to return a custom status message
@@ -439,7 +606,10 @@ class SMTPDChannelTest(unittest.TestCase):
         self.write_line(b'DATA')
         self.write_line(b'data\r\n.')
         self.assertEqual(self.server.messages,
-            [('peer', 'foo@example', ['eggs@example'], 'data')])
+            [(('peer-address', 'peer-port'),
+               'foo@example',
+               ['eggs@example'],
+               'data')])
 
     def test_HELO_RSET(self):
         self.write_line(b'HELO example')
@@ -502,6 +672,24 @@ class SMTPDChannelTest(unittest.TestCase):
         with support.check_warnings(('', DeprecationWarning)):
             self.channel._SMTPChannel__addr = 'spam'
 
+    def test_decode_data_default_warning(self):
+        with self.assertWarns(DeprecationWarning):
+            server = DummyServer((support.HOST, 0), ('b', 0))
+        conn, addr = self.server.accept()
+        with self.assertWarns(DeprecationWarning):
+            smtpd.SMTPChannel(server, conn, addr)
+
+@unittest.skipUnless(support.IPV6_ENABLED, "IPv6 not enabled")
+class SMTPDChannelIPv6Test(SMTPDChannelTest):
+    def setUp(self):
+        smtpd.socket = asyncore.socket = mock_socket
+        self.old_debugstream = smtpd.DEBUGSTREAM
+        self.debug = smtpd.DEBUGSTREAM = io.StringIO()
+        self.server = DummyServer((support.HOSTv6, 0), ('b', 0),
+                                  decode_data=True)
+        conn, addr = self.server.accept()
+        self.channel = smtpd.SMTPChannel(self.server, conn, addr,
+                                         decode_data=True)
 
 class SMTPDChannelWithDataSizeLimitTest(unittest.TestCase):
 
@@ -509,10 +697,12 @@ class SMTPDChannelWithDataSizeLimitTest(unittest.TestCase):
         smtpd.socket = asyncore.socket = mock_socket
         self.old_debugstream = smtpd.DEBUGSTREAM
         self.debug = smtpd.DEBUGSTREAM = io.StringIO()
-        self.server = DummyServer('a', 'b')
+        self.server = DummyServer((support.HOST, 0), ('b', 0),
+                                  decode_data=True)
         conn, addr = self.server.accept()
         # Set DATA size limit to 32 bytes for easy testing
-        self.channel = smtpd.SMTPChannel(self.server, conn, addr, 32)
+        self.channel = smtpd.SMTPChannel(self.server, conn, addr, 32,
+                                         decode_data=True)
 
     def tearDown(self):
         asyncore.close_all()
@@ -536,7 +726,10 @@ class SMTPDChannelWithDataSizeLimitTest(unittest.TestCase):
         self.write_line(b'data\r\nmore\r\n.')
         self.assertEqual(self.channel.socket.last, b'250 OK\r\n')
         self.assertEqual(self.server.messages,
-            [('peer', 'eggs@example', ['spam@example'], 'data\nmore')])
+            [(('peer-address', 'peer-port'),
+              'eggs@example',
+              ['spam@example'],
+              'data\nmore')])
 
     def test_data_limit_dialog_too_much_data(self):
         self.write_line(b'HELO example')
@@ -553,5 +746,181 @@ class SMTPDChannelWithDataSizeLimitTest(unittest.TestCase):
                          b'552 Error: Too much mail data\r\n')
 
 
+class SMTPDChannelWithDecodeDataFalse(unittest.TestCase):
+
+    def setUp(self):
+        smtpd.socket = asyncore.socket = mock_socket
+        self.old_debugstream = smtpd.DEBUGSTREAM
+        self.debug = smtpd.DEBUGSTREAM = io.StringIO()
+        self.server = DummyServer((support.HOST, 0), ('b', 0),
+                                  decode_data=False)
+        conn, addr = self.server.accept()
+        # Set decode_data to False
+        self.channel = smtpd.SMTPChannel(self.server, conn, addr,
+                decode_data=False)
+
+    def tearDown(self):
+        asyncore.close_all()
+        asyncore.socket = smtpd.socket = socket
+        smtpd.DEBUGSTREAM = self.old_debugstream
+
+    def write_line(self, line):
+        self.channel.socket.queue_recv(line)
+        self.channel.handle_read()
+
+    def test_ascii_data(self):
+        self.write_line(b'HELO example')
+        self.write_line(b'MAIL From:eggs@example')
+        self.write_line(b'RCPT To:spam@example')
+        self.write_line(b'DATA')
+        self.write_line(b'plain ascii text')
+        self.write_line(b'.')
+        self.assertEqual(self.channel.received_data, b'plain ascii text')
+
+    def test_utf8_data(self):
+        self.write_line(b'HELO example')
+        self.write_line(b'MAIL From:eggs@example')
+        self.write_line(b'RCPT To:spam@example')
+        self.write_line(b'DATA')
+        self.write_line(b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87')
+        self.write_line(b'and some plain ascii')
+        self.write_line(b'.')
+        self.assertEqual(
+            self.channel.received_data,
+            b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87\n'
+                b'and some plain ascii')
+
+
+class SMTPDChannelWithDecodeDataTrue(unittest.TestCase):
+
+    def setUp(self):
+        smtpd.socket = asyncore.socket = mock_socket
+        self.old_debugstream = smtpd.DEBUGSTREAM
+        self.debug = smtpd.DEBUGSTREAM = io.StringIO()
+        self.server = DummyServer((support.HOST, 0), ('b', 0),
+                                  decode_data=True)
+        conn, addr = self.server.accept()
+        # Set decode_data to True
+        self.channel = smtpd.SMTPChannel(self.server, conn, addr,
+                decode_data=True)
+
+    def tearDown(self):
+        asyncore.close_all()
+        asyncore.socket = smtpd.socket = socket
+        smtpd.DEBUGSTREAM = self.old_debugstream
+
+    def write_line(self, line):
+        self.channel.socket.queue_recv(line)
+        self.channel.handle_read()
+
+    def test_ascii_data(self):
+        self.write_line(b'HELO example')
+        self.write_line(b'MAIL From:eggs@example')
+        self.write_line(b'RCPT To:spam@example')
+        self.write_line(b'DATA')
+        self.write_line(b'plain ascii text')
+        self.write_line(b'.')
+        self.assertEqual(self.channel.received_data, 'plain ascii text')
+
+    def test_utf8_data(self):
+        self.write_line(b'HELO example')
+        self.write_line(b'MAIL From:eggs@example')
+        self.write_line(b'RCPT To:spam@example')
+        self.write_line(b'DATA')
+        self.write_line(b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87')
+        self.write_line(b'and some plain ascii')
+        self.write_line(b'.')
+        self.assertEqual(
+            self.channel.received_data,
+            'utf8 enriched text: żźć\nand some plain ascii')
+
+
+class SMTPDChannelTestWithEnableSMTPUTF8True(unittest.TestCase):
+    def setUp(self):
+        smtpd.socket = asyncore.socket = mock_socket
+        self.old_debugstream = smtpd.DEBUGSTREAM
+        self.debug = smtpd.DEBUGSTREAM = io.StringIO()
+        self.server = DummyServer((support.HOST, 0), ('b', 0),
+                                  enable_SMTPUTF8=True)
+        conn, addr = self.server.accept()
+        self.channel = smtpd.SMTPChannel(self.server, conn, addr,
+                                         enable_SMTPUTF8=True)
+
+    def tearDown(self):
+        asyncore.close_all()
+        asyncore.socket = smtpd.socket = socket
+        smtpd.DEBUGSTREAM = self.old_debugstream
+
+    def write_line(self, line):
+        self.channel.socket.queue_recv(line)
+        self.channel.handle_read()
+
+    def test_MAIL_command_accepts_SMTPUTF8_when_announced(self):
+        self.write_line(b'EHLO example')
+        self.write_line(
+            'MAIL from: <naïve@example.com> BODY=8BITMIME SMTPUTF8'.encode(
+                'utf-8')
+        )
+        self.assertEqual(self.channel.socket.last, b'250 OK\r\n')
+
+    def test_process_smtputf8_message(self):
+        self.write_line(b'EHLO example')
+        for mail_parameters in [b'', b'BODY=8BITMIME SMTPUTF8']:
+            self.write_line(b'MAIL from: <a@example> ' + mail_parameters)
+            self.assertEqual(self.channel.socket.last[0:3], b'250')
+            self.write_line(b'rcpt to:<b@example.com>')
+            self.assertEqual(self.channel.socket.last[0:3], b'250')
+            self.write_line(b'data')
+            self.assertEqual(self.channel.socket.last[0:3], b'354')
+            self.write_line(b'c\r\n.')
+            if mail_parameters == b'':
+                self.assertEqual(self.channel.socket.last, b'250 OK\r\n')
+            else:
+                self.assertEqual(self.channel.socket.last,
+                                 b'250 SMTPUTF8 message okish\r\n')
+
+    def test_utf8_data(self):
+        self.write_line(b'EHLO example')
+        self.write_line(
+            'MAIL From: naïve@examplé BODY=8BITMIME SMTPUTF8'.encode('utf-8'))
+        self.assertEqual(self.channel.socket.last[0:3], b'250')
+        self.write_line('RCPT To:späm@examplé'.encode('utf-8'))
+        self.assertEqual(self.channel.socket.last[0:3], b'250')
+        self.write_line(b'DATA')
+        self.assertEqual(self.channel.socket.last[0:3], b'354')
+        self.write_line(b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87')
+        self.write_line(b'.')
+        self.assertEqual(
+            self.channel.received_data,
+            b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87')
+
+    def test_MAIL_command_limit_extended_with_SIZE_and_SMTPUTF8(self):
+        self.write_line(b'ehlo example')
+        fill_len = (512 + 26 + 10) - len('mail from:<@example>')
+        self.write_line(b'MAIL from:<' +
+                        b'a' * (fill_len + 1) +
+                        b'@example>')
+        self.assertEqual(self.channel.socket.last,
+                         b'500 Error: line too long\r\n')
+        self.write_line(b'MAIL from:<' +
+                        b'a' * fill_len +
+                        b'@example>')
+        self.assertEqual(self.channel.socket.last, b'250 OK\r\n')
+
+    def test_multiple_emails_with_extended_command_length(self):
+        self.write_line(b'ehlo example')
+        fill_len = (512 + 26 + 10) - len('mail from:<@example>')
+        for char in [b'a', b'b', b'c']:
+            self.write_line(b'MAIL from:<' + char * fill_len + b'a@example>')
+            self.assertEqual(self.channel.socket.last[0:3], b'500')
+            self.write_line(b'MAIL from:<' + char * fill_len + b'@example>')
+            self.assertEqual(self.channel.socket.last[0:3], b'250')
+            self.write_line(b'rcpt to:<hans@example.com>')
+            self.assertEqual(self.channel.socket.last[0:3], b'250')
+            self.write_line(b'data')
+            self.assertEqual(self.channel.socket.last[0:3], b'354')
+            self.write_line(b'test\r\n.')
+            self.assertEqual(self.channel.socket.last[0:3], b'250')
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_smtplib.py b/Lib/test/test_smtplib.py
index 95a9dbe..9011042 100644
--- a/Lib/test/test_smtplib.py
+++ b/Lib/test/test_smtplib.py
@@ -10,6 +10,7 @@ import sys
 import time
 import select
 import errno
+import base64
 
 import unittest
 from test import support, mock_socket
@@ -30,7 +31,7 @@ if sys.platform == 'darwin':
 
 
 def server(evt, buf, serv):
-    serv.listen(5)
+    serv.listen()
     evt.set()
     try:
         conn, addr = serv.accept()
@@ -123,6 +124,27 @@ class GeneralTests(unittest.TestCase):
         self.assertEqual(smtp.sock.gettimeout(), 30)
         smtp.close()
 
+    def test_debuglevel(self):
+        mock_socket.reply_with(b"220 Hello world")
+        smtp = smtplib.SMTP()
+        smtp.set_debuglevel(1)
+        with support.captured_stderr() as stderr:
+            smtp.connect(HOST, self.port)
+        smtp.close()
+        expected = re.compile(r"^connect:", re.MULTILINE)
+        self.assertRegex(stderr.getvalue(), expected)
+
+    def test_debuglevel_2(self):
+        mock_socket.reply_with(b"220 Hello world")
+        smtp = smtplib.SMTP()
+        smtp.set_debuglevel(2)
+        with support.captured_stderr() as stderr:
+            smtp.connect(HOST, self.port)
+        smtp.close()
+        expected = re.compile(r"^\d{2}:\d{2}:\d{2}\.\d{6} connect: ",
+                              re.MULTILINE)
+        self.assertRegex(stderr.getvalue(), expected)
+
 
 # Test server thread using the specified SMTP server class
 def debugging_server(serv, serv_evt, client_evt):
@@ -184,7 +206,8 @@ class DebuggingServerTests(unittest.TestCase):
         self.old_DEBUGSTREAM = smtpd.DEBUGSTREAM
         smtpd.DEBUGSTREAM = io.StringIO()
         # Pick a random unused port by passing 0 for the port number
-        self.serv = smtpd.DebuggingServer((HOST, 0), ('nowhere', -1))
+        self.serv = smtpd.DebuggingServer((HOST, 0), ('nowhere', -1),
+                                          decode_data=True)
         # Keep a note of what port was assigned
         self.port = self.serv.socket.getsockname()[1]
         serv_args = (self.serv, self.serv_evt, self.client_evt)
@@ -604,7 +627,8 @@ sim_auth_credentials = {
     'cram-md5': ('TXIUQUBZB21LD2HLCMUUY29TIDG4OWQ0MJ'
                  'KWZGQ4ODNMNDA4NTGXMDRLZWMYZJDMODG1'),
     }
-sim_auth_login_password = 'C29TZXBHC3N3B3JK'
+sim_auth_login_user = 'TXIUQUBZB21LD2HLCMUUY29T'
+sim_auth_plain = 'AE1YLKFAC29TZXDOZXJLLMNVBQBZB21LCGFZC3DVCMQ='
 
 sim_lists = {'list-1':['Mr.A@somewhere.com','Mrs.C@somewhereesle.com'],
              'list-2':['Ms.B@xn--fo-fka.com',],
@@ -658,18 +682,16 @@ class SimSMTPChannel(smtpd.SMTPChannel):
             self.push('550 No access for you!')
 
     def smtp_AUTH(self, arg):
-        if arg.strip().lower()=='cram-md5':
+        mech = arg.strip().lower()
+        if mech=='cram-md5':
             self.push('334 {}'.format(sim_cram_md5_challenge))
-            return
-        mech, auth = arg.split()
-        mech = mech.lower()
-        if mech not in sim_auth_credentials:
+        elif mech not in sim_auth_credentials:
             self.push('504 auth type unimplemented')
             return
-        if mech == 'plain' and auth==sim_auth_credentials['plain']:
-            self.push('235 plain auth ok')
-        elif mech=='login' and auth==sim_auth_credentials['login']:
-            self.push('334 Password:')
+        elif mech=='plain':
+            self.push('334 ')
+        elif mech=='login':
+            self.push('334 ')
         else:
             self.push('550 No access for you!')
 
@@ -719,7 +741,8 @@ class SimSMTPServer(smtpd.SMTPServer):
 
     def handle_accepted(self, conn, addr):
         self._SMTPchannel = self.channel_class(
-            self._extra_features, self, conn, addr)
+            self._extra_features, self, conn, addr,
+            decode_data=self._decode_data)
 
     def process_message(self, peer, mailfrom, rcpttos, data):
         pass
@@ -742,7 +765,7 @@ class SMTPSimTests(unittest.TestCase):
         self.serv_evt = threading.Event()
         self.client_evt = threading.Event()
         # Pick a random unused port by passing 0 for the port number
-        self.serv = SimSMTPServer((HOST, 0), ('nowhere', -1))
+        self.serv = SimSMTPServer((HOST, 0), ('nowhere', -1), decode_data=True)
         # Keep a note of what port was assigned
         self.port = self.serv.socket.getsockname()[1]
         serv_args = (self.serv, self.serv_evt, self.client_evt)
@@ -816,28 +839,28 @@ class SMTPSimTests(unittest.TestCase):
         self.assertEqual(smtp.expn(u), expected_unknown)
         smtp.quit()
 
-    def testAUTH_PLAIN(self):
-        self.serv.add_feature("AUTH PLAIN")
-        smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)
-
-        expected_auth_ok = (235, b'plain auth ok')
-        self.assertEqual(smtp.login(sim_auth[0], sim_auth[1]), expected_auth_ok)
-        smtp.close()
-
-    # SimSMTPChannel doesn't fully support LOGIN or CRAM-MD5 auth because they
-    # require a synchronous read to obtain the credentials...so instead smtpd
+    # SimSMTPChannel doesn't fully support AUTH because it requires a
+    # synchronous read to obtain the credentials...so instead smtpd
     # sees the credential sent by smtplib's login method as an unknown command,
     # which results in smtplib raising an auth error.  Fortunately the error
     # message contains the encoded credential, so we can partially check that it
     # was generated correctly (partially, because the 'word' is uppercased in
     # the error message).
 
+    def testAUTH_PLAIN(self):
+        self.serv.add_feature("AUTH PLAIN")
+        smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)
+        try: smtp.login(sim_auth[0], sim_auth[1])
+        except smtplib.SMTPAuthenticationError as err:
+            self.assertIn(sim_auth_plain, str(err))
+        smtp.close()
+
     def testAUTH_LOGIN(self):
         self.serv.add_feature("AUTH LOGIN")
         smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)
         try: smtp.login(sim_auth[0], sim_auth[1])
         except smtplib.SMTPAuthenticationError as err:
-            self.assertIn(sim_auth_login_password, str(err))
+            self.assertIn(sim_auth_login_user, str(err))
         smtp.close()
 
     def testAUTH_CRAM_MD5(self):
@@ -855,7 +878,23 @@ class SMTPSimTests(unittest.TestCase):
         smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)
         try: smtp.login(sim_auth[0], sim_auth[1])
         except smtplib.SMTPAuthenticationError as err:
-            self.assertIn(sim_auth_login_password, str(err))
+            self.assertIn(sim_auth_login_user, str(err))
+        smtp.close()
+
+    def test_auth_function(self):
+        smtp = smtplib.SMTP(HOST, self.port,
+                            local_hostname='localhost', timeout=15)
+        self.serv.add_feature("AUTH CRAM-MD5")
+        smtp.user, smtp.password = sim_auth[0], sim_auth[1]
+        supported = {'CRAM-MD5': smtp.auth_cram_md5,
+                     'PLAIN': smtp.auth_plain,
+                     'LOGIN': smtp.auth_login,
+                    }
+        for mechanism, method in supported.items():
+            try: smtp.auth(mechanism, method)
+            except smtplib.SMTPAuthenticationError as err:
+                self.assertIn(sim_auth_credentials[mechanism.lower()].upper(),
+                              str(err))
         smtp.close()
 
     def test_quit_resets_greeting(self):
diff --git a/Lib/test/test_smtpnet.py b/Lib/test/test_smtpnet.py
index 15654f2..cc9bab4 100644
--- a/Lib/test/test_smtpnet.py
+++ b/Lib/test/test_smtpnet.py
@@ -79,8 +79,5 @@ class SmtpSSLTest(unittest.TestCase):
             server.quit()
 
 
-def test_main():
-    support.run_unittest(SmtpTest, SmtpSSLTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_sndhdr.py b/Lib/test/test_sndhdr.py
index 5e0abe0..426417c 100644
--- a/Lib/test/test_sndhdr.py
+++ b/Lib/test/test_sndhdr.py
@@ -1,4 +1,5 @@
 import sndhdr
+import pickle
 import unittest
 from test.support import findfile
 
@@ -18,6 +19,19 @@ class TestFormats(unittest.TestCase):
             what = sndhdr.what(filename)
             self.assertNotEqual(what, None, filename)
             self.assertSequenceEqual(what, expected)
+            self.assertEqual(what.filetype, expected[0])
+            self.assertEqual(what.framerate, expected[1])
+            self.assertEqual(what.nchannels, expected[2])
+            self.assertEqual(what.nframes, expected[3])
+            self.assertEqual(what.sampwidth, expected[4])
+
+    def test_pickleable(self):
+        filename = findfile('sndhdr.aifc', subdir="sndhdrdata")
+        what = sndhdr.what(filename)
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            dump = pickle.dumps(what, proto)
+            self.assertEqual(pickle.loads(dump), what)
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index c8a3623..8f49407 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -20,6 +20,8 @@ import signal
 import math
 import pickle
 import struct
+import random
+import string
 try:
     import multiprocessing
 except ImportError:
@@ -76,7 +78,7 @@ class SocketTCPTest(unittest.TestCase):
     def setUp(self):
         self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         self.port = support.bind_port(self.serv)
-        self.serv.listen(1)
+        self.serv.listen()
 
     def tearDown(self):
         self.serv.close()
@@ -445,7 +447,7 @@ class SocketListeningTestMixin(SocketTestBase):
 
     def setUp(self):
         super().setUp()
-        self.serv.listen(1)
+        self.serv.listen()
 
 
 class ThreadedSocketTestMixin(ThreadSafeCleanupTestCase, SocketTestBase,
@@ -716,11 +718,11 @@ class GeneralModuleTests(unittest.TestCase):
         with self.assertRaises(TypeError) as cm:
             s.sendto('\u2620', sockname)
         self.assertEqual(str(cm.exception),
-                         "'str' does not support the buffer interface")
+                         "a bytes-like object is required, not 'str'")
         with self.assertRaises(TypeError) as cm:
             s.sendto(5j, sockname)
         self.assertEqual(str(cm.exception),
-                         "'complex' does not support the buffer interface")
+                         "a bytes-like object is required, not 'complex'")
         with self.assertRaises(TypeError) as cm:
             s.sendto(b'foo', None)
         self.assertIn('not NoneType',str(cm.exception))
@@ -728,11 +730,11 @@ class GeneralModuleTests(unittest.TestCase):
         with self.assertRaises(TypeError) as cm:
             s.sendto('\u2620', 0, sockname)
         self.assertEqual(str(cm.exception),
-                         "'str' does not support the buffer interface")
+                         "a bytes-like object is required, not 'str'")
         with self.assertRaises(TypeError) as cm:
             s.sendto(5j, 0, sockname)
         self.assertEqual(str(cm.exception),
-                         "'complex' does not support the buffer interface")
+                         "a bytes-like object is required, not 'complex'")
         with self.assertRaises(TypeError) as cm:
             s.sendto(b'foo', 0, None)
         self.assertIn('not NoneType', str(cm.exception))
@@ -1072,6 +1074,7 @@ class GeneralModuleTests(unittest.TestCase):
         assertInvalid(f, b'\x00' * 3)
         assertInvalid(f, b'\x00' * 5)
         assertInvalid(f, b'\x00' * 16)
+        self.assertEqual('170.85.170.85', f(bytearray(b'\xaa\x55\xaa\x55')))
 
         self.assertEqual('1.0.1.0', g(b'\x01\x00\x01\x00'))
         self.assertEqual('170.85.170.85', g(b'\xaa\x55\xaa\x55'))
@@ -1079,6 +1082,7 @@ class GeneralModuleTests(unittest.TestCase):
         assertInvalid(g, b'\x00' * 3)
         assertInvalid(g, b'\x00' * 5)
         assertInvalid(g, b'\x00' * 16)
+        self.assertEqual('170.85.170.85', g(bytearray(b'\xaa\x55\xaa\x55')))
 
     @unittest.skipUnless(hasattr(socket, 'inet_ntop'),
                          'test needs socket.inet_ntop()')
@@ -1108,6 +1112,7 @@ class GeneralModuleTests(unittest.TestCase):
             'aef:b01:506:1001:ffff:9997:55:170',
             f(b'\x0a\xef\x0b\x01\x05\x06\x10\x01\xff\xff\x99\x97\x00\x55\x01\x70')
         )
+        self.assertEqual('::1', f(bytearray(b'\x00' * 15 + b'\x01')))
 
         assertInvalid(b'\x12' * 15)
         assertInvalid(b'\x12' * 17)
@@ -1383,10 +1388,13 @@ class GeneralModuleTests(unittest.TestCase):
 
     def test_listen_backlog(self):
         for backlog in 0, -1:
-            srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as srv:
+                srv.bind((HOST, 0))
+                srv.listen(backlog)
+
+        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as srv:
             srv.bind((HOST, 0))
-            srv.listen(backlog)
-            srv.close()
+            srv.listen()
 
     @support.cpython_only
     def test_listen_backlog_overflow(self):
@@ -1492,6 +1500,7 @@ class BasicCANTest(unittest.TestCase):
             s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, can_filter)
             self.assertEqual(can_filter,
                     s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, 8))
+            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, bytearray(can_filter))
 
 
 @unittest.skipUnless(HAVE_SOCKET_CAN, 'SocketCan required for this test.')
@@ -3590,7 +3599,7 @@ class InterruptedTimeoutBase(unittest.TestCase):
     def setUp(self):
         super().setUp()
         orig_alrm_handler = signal.signal(signal.SIGALRM,
-                                          lambda signum, frame: None)
+                                          lambda signum, frame: 1 / 0)
         self.addCleanup(signal.signal, signal.SIGALRM, orig_alrm_handler)
         self.addCleanup(self.setAlarm, 0)
 
@@ -3627,13 +3636,11 @@ class InterruptedRecvTimeoutTest(InterruptedTimeoutBase, UDPTestBase):
         self.serv.settimeout(self.timeout)
 
     def checkInterruptedRecv(self, func, *args, **kwargs):
-        # Check that func(*args, **kwargs) raises OSError with an
+        # Check that func(*args, **kwargs) raises
         # errno of EINTR when interrupted by a signal.
         self.setAlarm(self.alarm_time)
-        with self.assertRaises(OSError) as cm:
+        with self.assertRaises(ZeroDivisionError) as cm:
             func(*args, **kwargs)
-        self.assertNotIsInstance(cm.exception, socket.timeout)
-        self.assertEqual(cm.exception.errno, errno.EINTR)
 
     def testInterruptedRecvTimeout(self):
         self.checkInterruptedRecv(self.serv.recv, 1024)
@@ -3689,12 +3696,10 @@ class InterruptedSendTimeoutTest(InterruptedTimeoutBase,
         # Check that func(*args, **kwargs), run in a loop, raises
         # OSError with an errno of EINTR when interrupted by a
         # signal.
-        with self.assertRaises(OSError) as cm:
+        with self.assertRaises(ZeroDivisionError) as cm:
             while True:
                 self.setAlarm(self.alarm_time)
                 func(*args, **kwargs)
-        self.assertNotIsInstance(cm.exception, socket.timeout)
-        self.assertEqual(cm.exception.errno, errno.EINTR)
 
     # Issue #12958: The following tests have problems on OS X prior to 10.7
     @support.requires_mac_ver(10, 7)
@@ -3736,8 +3741,6 @@ class TCPCloserTest(ThreadedTCPSocketTest):
         self.cli.connect((HOST, self.port))
         time.sleep(1.0)
 
-@unittest.skipUnless(hasattr(socket, 'socketpair'),
-                     'test needs socket.socketpair()')
 @unittest.skipUnless(thread, 'Threading required for this test.')
 class BasicSocketPairTest(SocketPairTest):
 
@@ -3818,7 +3821,7 @@ class NonBlockingTCPTests(ThreadedTCPSocketTest):
         self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM |
                                                   socket.SOCK_NONBLOCK)
         self.port = support.bind_port(self.serv)
-        self.serv.listen(1)
+        self.serv.listen()
         # actual testing
         start = time.time()
         try:
@@ -4064,117 +4067,6 @@ class FileObjectClassTestCase(SocketConnectedTest):
         pass
 
 
-class FileObjectInterruptedTestCase(unittest.TestCase):
-    """Test that the file object correctly handles EINTR internally."""
-
-    class MockSocket(object):
-        def __init__(self, recv_funcs=()):
-            # A generator that returns callables that we'll call for each
-            # call to recv().
-            self._recv_step = iter(recv_funcs)
-
-        def recv_into(self, buffer):
-            data = next(self._recv_step)()
-            assert len(buffer) >= len(data)
-            buffer[:len(data)] = data
-            return len(data)
-
-        def _decref_socketios(self):
-            pass
-
-        def _textiowrap_for_test(self, buffering=-1):
-            raw = socket.SocketIO(self, "r")
-            if buffering < 0:
-                buffering = io.DEFAULT_BUFFER_SIZE
-            if buffering == 0:
-                return raw
-            buffer = io.BufferedReader(raw, buffering)
-            text = io.TextIOWrapper(buffer, None, None)
-            text.mode = "rb"
-            return text
-
-    @staticmethod
-    def _raise_eintr():
-        raise OSError(errno.EINTR, "interrupted")
-
-    def _textiowrap_mock_socket(self, mock, buffering=-1):
-        raw = socket.SocketIO(mock, "r")
-        if buffering < 0:
-            buffering = io.DEFAULT_BUFFER_SIZE
-        if buffering == 0:
-            return raw
-        buffer = io.BufferedReader(raw, buffering)
-        text = io.TextIOWrapper(buffer, None, None)
-        text.mode = "rb"
-        return text
-
-    def _test_readline(self, size=-1, buffering=-1):
-        mock_sock = self.MockSocket(recv_funcs=[
-                lambda : b"This is the first line\nAnd the sec",
-                self._raise_eintr,
-                lambda : b"ond line is here\n",
-                lambda : b"",
-                lambda : b"",  # XXX(gps): io library does an extra EOF read
-            ])
-        fo = mock_sock._textiowrap_for_test(buffering=buffering)
-        self.assertEqual(fo.readline(size), "This is the first line\n")
-        self.assertEqual(fo.readline(size), "And the second line is here\n")
-
-    def _test_read(self, size=-1, buffering=-1):
-        mock_sock = self.MockSocket(recv_funcs=[
-                lambda : b"This is the first line\nAnd the sec",
-                self._raise_eintr,
-                lambda : b"ond line is here\n",
-                lambda : b"",
-                lambda : b"",  # XXX(gps): io library does an extra EOF read
-            ])
-        expecting = (b"This is the first line\n"
-                     b"And the second line is here\n")
-        fo = mock_sock._textiowrap_for_test(buffering=buffering)
-        if buffering == 0:
-            data = b''
-        else:
-            data = ''
-            expecting = expecting.decode('utf-8')
-        while len(data) != len(expecting):
-            part = fo.read(size)
-            if not part:
-                break
-            data += part
-        self.assertEqual(data, expecting)
-
-    def test_default(self):
-        self._test_readline()
-        self._test_readline(size=100)
-        self._test_read()
-        self._test_read(size=100)
-
-    def test_with_1k_buffer(self):
-        self._test_readline(buffering=1024)
-        self._test_readline(size=100, buffering=1024)
-        self._test_read(buffering=1024)
-        self._test_read(size=100, buffering=1024)
-
-    def _test_readline_no_buffer(self, size=-1):
-        mock_sock = self.MockSocket(recv_funcs=[
-                lambda : b"a",
-                lambda : b"\n",
-                lambda : b"B",
-                self._raise_eintr,
-                lambda : b"b",
-                lambda : b"",
-            ])
-        fo = mock_sock._textiowrap_for_test(buffering=0)
-        self.assertEqual(fo.readline(size), b"a\n")
-        self.assertEqual(fo.readline(size), b"Bb")
-
-    def test_no_buffer(self):
-        self._test_readline_no_buffer()
-        self._test_readline_no_buffer(size=4)
-        self._test_read(buffering=0)
-        self._test_read(size=100, buffering=0)
-
-
 class UnbufferedFileObjectClassTestCase(FileObjectClassTestCase):
 
     """Repeat the tests from FileObjectClassTestCase with bufsize==0.
@@ -4593,7 +4485,7 @@ class TestLinuxAbstractNamespace(unittest.TestCase):
         address = b"\x00python-test-hello\x00\xff"
         with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as s1:
             s1.bind(address)
-            s1.listen(1)
+            s1.listen()
             with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as s2:
                 s2.connect(s1.getsockname())
                 with s1.accept()[0] as s3:
@@ -4620,6 +4512,12 @@ class TestLinuxAbstractNamespace(unittest.TestCase):
         finally:
             s.close()
 
+    def testBytearrayName(self):
+        # Check that an abstract name can be passed as a bytearray.
+        with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as s:
+            s.bind(bytearray(b"\x00python\x00test\x00"))
+            self.assertEqual(s.getsockname(), b"\x00python\x00test\x00")
+
 @unittest.skipUnless(hasattr(socket, 'AF_UNIX'), 'test needs socket.AF_UNIX')
 class TestUnixDomain(unittest.TestCase):
 
@@ -4825,7 +4723,7 @@ class TIPCThreadableTest(unittest.TestCase, ThreadableTest):
         srvaddr = (socket.TIPC_ADDR_NAMESEQ, TIPC_STYPE,
                 TIPC_LOWER, TIPC_UPPER)
         self.srv.bind(srvaddr)
-        self.srv.listen(5)
+        self.srv.listen()
         self.serverExplicitReady()
         self.conn, self.connaddr = self.srv.accept()
         self.addCleanup(self.conn.close)
@@ -5114,6 +5012,275 @@ class TestSocketSharing(SocketTCPTest):
                     source.close()
 
 
+@unittest.skipUnless(thread, 'Threading required for this test.')
+class SendfileUsingSendTest(ThreadedTCPSocketTest):
+    """
+    Test the send() implementation of socket.sendfile().
+    """
+
+    FILESIZE = (10 * 1024 * 1024)  # 10MB
+    BUFSIZE = 8192
+    FILEDATA = b""
+    TIMEOUT = 2
+
+    @classmethod
+    def setUpClass(cls):
+        def chunks(total, step):
+            assert total >= step
+            while total > step:
+                yield step
+                total -= step
+            if total:
+                yield total
+
+        chunk = b"".join([random.choice(string.ascii_letters).encode()
+                          for i in range(cls.BUFSIZE)])
+        with open(support.TESTFN, 'wb') as f:
+            for csize in chunks(cls.FILESIZE, cls.BUFSIZE):
+                f.write(chunk)
+        with open(support.TESTFN, 'rb') as f:
+            cls.FILEDATA = f.read()
+            assert len(cls.FILEDATA) == cls.FILESIZE
+
+    @classmethod
+    def tearDownClass(cls):
+        support.unlink(support.TESTFN)
+
+    def accept_conn(self):
+        self.serv.settimeout(self.TIMEOUT)
+        conn, addr = self.serv.accept()
+        conn.settimeout(self.TIMEOUT)
+        self.addCleanup(conn.close)
+        return conn
+
+    def recv_data(self, conn):
+        received = []
+        while True:
+            chunk = conn.recv(self.BUFSIZE)
+            if not chunk:
+                break
+            received.append(chunk)
+        return b''.join(received)
+
+    def meth_from_sock(self, sock):
+        # Depending on the mixin class being run return either send()
+        # or sendfile() method implementation.
+        return getattr(sock, "_sendfile_use_send")
+
+    # regular file
+
+    def _testRegularFile(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address) as sock, file as file:
+            meth = self.meth_from_sock(sock)
+            sent = meth(file)
+            self.assertEqual(sent, self.FILESIZE)
+            self.assertEqual(file.tell(), self.FILESIZE)
+
+    def testRegularFile(self):
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), self.FILESIZE)
+        self.assertEqual(data, self.FILEDATA)
+
+    # non regular file
+
+    def _testNonRegularFile(self):
+        address = self.serv.getsockname()
+        file = io.BytesIO(self.FILEDATA)
+        with socket.create_connection(address) as sock, file as file:
+            sent = sock.sendfile(file)
+            self.assertEqual(sent, self.FILESIZE)
+            self.assertEqual(file.tell(), self.FILESIZE)
+            self.assertRaises(socket._GiveupOnSendfile,
+                              sock._sendfile_use_sendfile, file)
+
+    def testNonRegularFile(self):
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), self.FILESIZE)
+        self.assertEqual(data, self.FILEDATA)
+
+    # empty file
+
+    def _testEmptyFileSend(self):
+        address = self.serv.getsockname()
+        filename = support.TESTFN + "2"
+        with open(filename, 'wb'):
+            self.addCleanup(support.unlink, filename)
+        file = open(filename, 'rb')
+        with socket.create_connection(address) as sock, file as file:
+            meth = self.meth_from_sock(sock)
+            sent = meth(file)
+            self.assertEqual(sent, 0)
+            self.assertEqual(file.tell(), 0)
+
+    def testEmptyFileSend(self):
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(data, b"")
+
+    # offset
+
+    def _testOffset(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address) as sock, file as file:
+            meth = self.meth_from_sock(sock)
+            sent = meth(file, offset=5000)
+            self.assertEqual(sent, self.FILESIZE - 5000)
+            self.assertEqual(file.tell(), self.FILESIZE)
+
+    def testOffset(self):
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), self.FILESIZE - 5000)
+        self.assertEqual(data, self.FILEDATA[5000:])
+
+    # count
+
+    def _testCount(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address, timeout=2) as sock, file as file:
+            count = 5000007
+            meth = self.meth_from_sock(sock)
+            sent = meth(file, count=count)
+            self.assertEqual(sent, count)
+            self.assertEqual(file.tell(), count)
+
+    def testCount(self):
+        count = 5000007
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), count)
+        self.assertEqual(data, self.FILEDATA[:count])
+
+    # count small
+
+    def _testCountSmall(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address, timeout=2) as sock, file as file:
+            count = 1
+            meth = self.meth_from_sock(sock)
+            sent = meth(file, count=count)
+            self.assertEqual(sent, count)
+            self.assertEqual(file.tell(), count)
+
+    def testCountSmall(self):
+        count = 1
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), count)
+        self.assertEqual(data, self.FILEDATA[:count])
+
+    # count + offset
+
+    def _testCountWithOffset(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address, timeout=2) as sock, file as file:
+            count = 100007
+            meth = self.meth_from_sock(sock)
+            sent = meth(file, offset=2007, count=count)
+            self.assertEqual(sent, count)
+            self.assertEqual(file.tell(), count + 2007)
+
+    def testCountWithOffset(self):
+        count = 100007
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), count)
+        self.assertEqual(data, self.FILEDATA[2007:count+2007])
+
+    # non blocking sockets are not supposed to work
+
+    def _testNonBlocking(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address) as sock, file as file:
+            sock.setblocking(False)
+            meth = self.meth_from_sock(sock)
+            self.assertRaises(ValueError, meth, file)
+            self.assertRaises(ValueError, sock.sendfile, file)
+
+    def testNonBlocking(self):
+        conn = self.accept_conn()
+        if conn.recv(8192):
+            self.fail('was not supposed to receive any data')
+
+    # timeout (non-triggered)
+
+    def _testWithTimeout(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address, timeout=2) as sock, file as file:
+            meth = self.meth_from_sock(sock)
+            sent = meth(file)
+            self.assertEqual(sent, self.FILESIZE)
+
+    def testWithTimeout(self):
+        conn = self.accept_conn()
+        data = self.recv_data(conn)
+        self.assertEqual(len(data), self.FILESIZE)
+        self.assertEqual(data, self.FILEDATA)
+
+    # timeout (triggered)
+
+    def _testWithTimeoutTriggeredSend(self):
+        address = self.serv.getsockname()
+        file = open(support.TESTFN, 'rb')
+        with socket.create_connection(address, timeout=0.01) as sock, \
+                file as file:
+            meth = self.meth_from_sock(sock)
+            self.assertRaises(socket.timeout, meth, file)
+
+    def testWithTimeoutTriggeredSend(self):
+        conn = self.accept_conn()
+        conn.recv(88192)
+
+    # errors
+
+    def _test_errors(self):
+        pass
+
+    def test_errors(self):
+        with open(support.TESTFN, 'rb') as file:
+            with socket.socket(type=socket.SOCK_DGRAM) as s:
+                meth = self.meth_from_sock(s)
+                self.assertRaisesRegex(
+                    ValueError, "SOCK_STREAM", meth, file)
+        with open(support.TESTFN, 'rt') as file:
+            with socket.socket() as s:
+                meth = self.meth_from_sock(s)
+                self.assertRaisesRegex(
+                    ValueError, "binary mode", meth, file)
+        with open(support.TESTFN, 'rb') as file:
+            with socket.socket() as s:
+                meth = self.meth_from_sock(s)
+                self.assertRaisesRegex(TypeError, "positive integer",
+                                       meth, file, count='2')
+                self.assertRaisesRegex(TypeError, "positive integer",
+                                       meth, file, count=0.1)
+                self.assertRaisesRegex(ValueError, "positive integer",
+                                       meth, file, count=0)
+                self.assertRaisesRegex(ValueError, "positive integer",
+                                       meth, file, count=-1)
+
+
+@unittest.skipUnless(thread, 'Threading required for this test.')
+@unittest.skipUnless(hasattr(os, "sendfile"),
+                     'os.sendfile() required for this test.')
+class SendfileUsingSendfileTest(SendfileUsingSendTest):
+    """
+    Test the sendfile() implementation of socket.sendfile().
+    """
+    def meth_from_sock(self, sock):
+        return getattr(sock, "_sendfile_use_sendfile")
+
+
 def test_main():
     tests = [GeneralModuleTests, BasicTCPTest, TCPCloserTest, TCPTimeoutTest,
              TestExceptions, BufferIOTest, BasicTCPTest2, BasicUDPTest, UDPTimeoutTest ]
@@ -5121,7 +5288,6 @@ def test_main():
     tests.extend([
         NonBlockingTCPTests,
         FileObjectClassTestCase,
-        FileObjectInterruptedTestCase,
         UnbufferedFileObjectClassTestCase,
         LineBufferedFileObjectClassTestCase,
         SmallBufferedFileObjectClassTestCase,
@@ -5166,6 +5332,8 @@ def test_main():
         InterruptedRecvTimeoutTest,
         InterruptedSendTimeoutTest,
         TestSocketSharing,
+        SendfileUsingSendTest,
+        SendfileUsingSendfileTest,
     ])
 
     thread_info = support.threading_setup()
diff --git a/Lib/test/test_socketserver.py b/Lib/test/test_socketserver.py
index 924b9c4..31ab3b6 100644
--- a/Lib/test/test_socketserver.py
+++ b/Lib/test/test_socketserver.py
@@ -221,38 +221,6 @@ class SocketServerTest(unittest.TestCase):
                             socketserver.DatagramRequestHandler,
                             self.dgram_examine)
 
-    @contextlib.contextmanager
-    def mocked_select_module(self):
-        """Mocks the select.select() call to raise EINTR for first call"""
-        old_select = select.select
-
-        class MockSelect:
-            def __init__(self):
-                self.called = 0
-
-            def __call__(self, *args):
-                self.called += 1
-                if self.called == 1:
-                    # raise the exception on first call
-                    raise OSError(errno.EINTR, os.strerror(errno.EINTR))
-                else:
-                    # Return real select value for consecutive calls
-                    return old_select(*args)
-
-        select.select = MockSelect()
-        try:
-            yield select.select
-        finally:
-            select.select = old_select
-
-    def test_InterruptServerSelectCall(self):
-        with self.mocked_select_module() as mock_select:
-            pid = self.run_server(socketserver.TCPServer,
-                                  socketserver.StreamRequestHandler,
-                                  self.stream_examine)
-            # Make sure select was called again:
-            self.assertGreater(mock_select.called, 1)
-
     # Alas, on Linux (at least) recvfrom() doesn't return a meaningful
     # client address so this cannot work:
 
diff --git a/Lib/test/test_sort.py b/Lib/test/test_sort.py
index 8f6af64..a5d0ebf 100644
--- a/Lib/test/test_sort.py
+++ b/Lib/test/test_sort.py
@@ -262,24 +262,5 @@ class TestDecorateSortUndecorate(unittest.TestCase):
 
 #==============================================================================
 
-def test_main(verbose=None):
-    test_classes = (
-        TestBase,
-        TestDecorateSortUndecorate,
-        TestBugs,
-    )
-
-    support.run_unittest(*test_classes)
-
-    # verify reference counting
-    if verbose and hasattr(sys, "gettotalrefcount"):
-        import gc
-        counts = [None] * 5
-        for i in range(len(counts)):
-            support.run_unittest(*test_classes)
-            gc.collect()
-            counts[i] = sys.gettotalrefcount()
-        print(counts)
-
 if __name__ == "__main__":
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index cdf3aed..9140fc1 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -85,6 +85,12 @@ def have_verify_flags():
     # 0.9.8 or higher
     return ssl.OPENSSL_VERSION_INFO >= (0, 9, 8, 0, 15)
 
+def utc_offset(): #NOTE: ignore issues like #1647654
+    # local time = utc time + utc offset
+    if time.daylight and time.localtime().tm_isdst > 0:
+        return -time.altzone  # seconds
+    return -time.timezone
+
 def asn1time(cert_time):
     # Some versions of OpenSSL ignore seconds, see #18207
     # 0.9.8.i
@@ -133,6 +139,14 @@ class BasicSocketTests(unittest.TestCase):
         self.assertIn(ssl.HAS_SNI, {True, False})
         self.assertIn(ssl.HAS_ECDH, {True, False})
 
+    def test_str_for_enums(self):
+        # Make sure that the PROTOCOL_* constants have enum-like string
+        # reprs.
+        proto = ssl.PROTOCOL_SSLv23
+        self.assertEqual(str(proto), '_SSLMethod.PROTOCOL_SSLv23')
+        ctx = ssl.SSLContext(proto)
+        self.assertIs(ctx.protocol, proto)
+
     def test_random(self):
         v = ssl.RAND_status()
         if support.verbose:
@@ -157,6 +171,8 @@ class BasicSocketTests(unittest.TestCase):
             self.assertRaises(TypeError, ssl.RAND_egd, 1)
             self.assertRaises(TypeError, ssl.RAND_egd, 'foo', 1)
         ssl.RAND_add("this is a random string", 75.0)
+        ssl.RAND_add(b"this is a random bytes object", 75.0)
+        ssl.RAND_add(bytearray(b"this is a random bytearray object"), 75.0)
 
     @unittest.skipUnless(os.name == 'posix', 'requires posix')
     def test_random_fork(self):
@@ -297,10 +313,10 @@ class BasicSocketTests(unittest.TestCase):
         # Version string as returned by {Open,Libre}SSL, the format might change
         if "LibreSSL" in s:
             self.assertTrue(s.startswith("LibreSSL {:d}.{:d}".format(major, minor)),
-                            (s, t))
+                            (s, t, hex(n)))
         else:
             self.assertTrue(s.startswith("OpenSSL {:d}.{:d}.{:d}".format(major, minor, fix)),
-                            (s, t))
+                            (s, t, hex(n)))
 
     @support.cpython_only
     def test_refcycle(self):
@@ -368,6 +384,8 @@ class BasicSocketTests(unittest.TestCase):
             self.assertRaises(ssl.CertificateError,
                               ssl.match_hostname, cert, hostname)
 
+        # -- Hostname matching --
+
         cert = {'subject': ((('commonName', 'example.com'),),)}
         ok(cert, 'example.com')
         ok(cert, 'ExAmple.cOm')
@@ -453,6 +471,28 @@ class BasicSocketTests(unittest.TestCase):
         # Only commonName is considered
         fail(cert, 'California')
 
+        # -- IPv4 matching --
+        cert = {'subject': ((('commonName', 'example.com'),),),
+                'subjectAltName': (('DNS', 'example.com'),
+                                   ('IP Address', '10.11.12.13'),
+                                   ('IP Address', '14.15.16.17'))}
+        ok(cert, '10.11.12.13')
+        ok(cert, '14.15.16.17')
+        fail(cert, '14.15.16.18')
+        fail(cert, 'example.net')
+
+        # -- IPv6 matching --
+        cert = {'subject': ((('commonName', 'example.com'),),),
+                'subjectAltName': (('DNS', 'example.com'),
+                                   ('IP Address', '2001:0:0:0:0:0:0:CAFE\n'),
+                                   ('IP Address', '2003:0:0:0:0:0:0:BABA\n'))}
+        ok(cert, '2001::cafe')
+        ok(cert, '2003::baba')
+        fail(cert, '2003::bebe')
+        fail(cert, 'example.net')
+
+        # -- Miscellaneous --
+
         # Neither commonName nor subjectAltName
         cert = {'notAfter': 'Dec 18 23:59:59 2011 GMT',
                 'subject': ((('countryName', 'US'),),
@@ -504,9 +544,14 @@ class BasicSocketTests(unittest.TestCase):
     def test_unknown_channel_binding(self):
         # should raise ValueError for unknown type
         s = socket.socket(socket.AF_INET)
-        with ssl.wrap_socket(s) as ss:
+        s.bind(('127.0.0.1', 0))
+        s.listen()
+        c = socket.socket(socket.AF_INET)
+        c.connect(s.getsockname())
+        with ssl.wrap_socket(c, do_handshake_on_connect=False) as ss:
             with self.assertRaises(ValueError):
                 ss.get_channel_binding("unknown-type")
+        s.close()
 
     @unittest.skipUnless("tls-unique" in ssl.CHANNEL_BINDING_TYPES,
                          "'tls-unique' channel binding not available")
@@ -647,6 +692,71 @@ class BasicSocketTests(unittest.TestCase):
             ctx.wrap_socket(s)
         self.assertEqual(str(cx.exception), "only stream sockets are supported")
 
+    def cert_time_ok(self, timestring, timestamp):
+        self.assertEqual(ssl.cert_time_to_seconds(timestring), timestamp)
+
+    def cert_time_fail(self, timestring):
+        with self.assertRaises(ValueError):
+            ssl.cert_time_to_seconds(timestring)
+
+    @unittest.skipUnless(utc_offset(),
+                         'local time needs to be different from UTC')
+    def test_cert_time_to_seconds_timezone(self):
+        # Issue #19940: ssl.cert_time_to_seconds() returns wrong
+        #               results if local timezone is not UTC
+        self.cert_time_ok("May  9 00:00:00 2007 GMT", 1178668800.0)
+        self.cert_time_ok("Jan  5 09:34:43 2018 GMT", 1515144883.0)
+
+    def test_cert_time_to_seconds(self):
+        timestring = "Jan  5 09:34:43 2018 GMT"
+        ts = 1515144883.0
+        self.cert_time_ok(timestring, ts)
+        # accept keyword parameter, assert its name
+        self.assertEqual(ssl.cert_time_to_seconds(cert_time=timestring), ts)
+        # accept both %e and %d (space or zero generated by strftime)
+        self.cert_time_ok("Jan 05 09:34:43 2018 GMT", ts)
+        # case-insensitive
+        self.cert_time_ok("JaN  5 09:34:43 2018 GmT", ts)
+        self.cert_time_fail("Jan  5 09:34 2018 GMT")     # no seconds
+        self.cert_time_fail("Jan  5 09:34:43 2018")      # no GMT
+        self.cert_time_fail("Jan  5 09:34:43 2018 UTC")  # not GMT timezone
+        self.cert_time_fail("Jan 35 09:34:43 2018 GMT")  # invalid day
+        self.cert_time_fail("Jon  5 09:34:43 2018 GMT")  # invalid month
+        self.cert_time_fail("Jan  5 24:00:00 2018 GMT")  # invalid hour
+        self.cert_time_fail("Jan  5 09:60:43 2018 GMT")  # invalid minute
+
+        newyear_ts = 1230768000.0
+        # leap seconds
+        self.cert_time_ok("Dec 31 23:59:60 2008 GMT", newyear_ts)
+        # same timestamp
+        self.cert_time_ok("Jan  1 00:00:00 2009 GMT", newyear_ts)
+
+        self.cert_time_ok("Jan  5 09:34:59 2018 GMT", 1515144899)
+        #  allow 60th second (even if it is not a leap second)
+        self.cert_time_ok("Jan  5 09:34:60 2018 GMT", 1515144900)
+        #  allow 2nd leap second for compatibility with time.strptime()
+        self.cert_time_ok("Jan  5 09:34:61 2018 GMT", 1515144901)
+        self.cert_time_fail("Jan  5 09:34:62 2018 GMT")  # invalid seconds
+
+        # no special treatement for the special value:
+        #   99991231235959Z (rfc 5280)
+        self.cert_time_ok("Dec 31 23:59:59 9999 GMT", 253402300799.0)
+
+    @support.run_with_locale('LC_ALL', '')
+    def test_cert_time_to_seconds_locale(self):
+        # `cert_time_to_seconds()` should be locale independent
+
+        def local_february_name():
+            return time.strftime('%b', (1, 2, 3, 4, 5, 6, 0, 0, 0))
+
+        if local_february_name().lower() == 'feb':
+            self.skipTest("locale-specific month name needs to be "
+                          "different from C locale")
+
+        # locale-independent
+        self.cert_time_ok("Feb  9 00:00:00 2007 GMT", 1170979200.0)
+        self.cert_time_fail(local_february_name() + "  9 00:00:00 2007 GMT")
+
 
 class ContextTests(unittest.TestCase):
 
@@ -1156,7 +1266,7 @@ class SSLErrorTests(unittest.TestCase):
         ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
         with socket.socket() as s:
             s.bind(("127.0.0.1", 0))
-            s.listen(5)
+            s.listen()
             c = socket.socket()
             c.connect(s.getsockname())
             c.setblocking(False)
@@ -1169,6 +1279,69 @@ class SSLErrorTests(unittest.TestCase):
                 self.assertEqual(cm.exception.errno, ssl.SSL_ERROR_WANT_READ)
 
 
+class MemoryBIOTests(unittest.TestCase):
+
+    def test_read_write(self):
+        bio = ssl.MemoryBIO()
+        bio.write(b'foo')
+        self.assertEqual(bio.read(), b'foo')
+        self.assertEqual(bio.read(), b'')
+        bio.write(b'foo')
+        bio.write(b'bar')
+        self.assertEqual(bio.read(), b'foobar')
+        self.assertEqual(bio.read(), b'')
+        bio.write(b'baz')
+        self.assertEqual(bio.read(2), b'ba')
+        self.assertEqual(bio.read(1), b'z')
+        self.assertEqual(bio.read(1), b'')
+
+    def test_eof(self):
+        bio = ssl.MemoryBIO()
+        self.assertFalse(bio.eof)
+        self.assertEqual(bio.read(), b'')
+        self.assertFalse(bio.eof)
+        bio.write(b'foo')
+        self.assertFalse(bio.eof)
+        bio.write_eof()
+        self.assertFalse(bio.eof)
+        self.assertEqual(bio.read(2), b'fo')
+        self.assertFalse(bio.eof)
+        self.assertEqual(bio.read(1), b'o')
+        self.assertTrue(bio.eof)
+        self.assertEqual(bio.read(), b'')
+        self.assertTrue(bio.eof)
+
+    def test_pending(self):
+        bio = ssl.MemoryBIO()
+        self.assertEqual(bio.pending, 0)
+        bio.write(b'foo')
+        self.assertEqual(bio.pending, 3)
+        for i in range(3):
+            bio.read(1)
+            self.assertEqual(bio.pending, 3-i-1)
+        for i in range(3):
+            bio.write(b'x')
+            self.assertEqual(bio.pending, i+1)
+        bio.read()
+        self.assertEqual(bio.pending, 0)
+
+    def test_buffer_types(self):
+        bio = ssl.MemoryBIO()
+        bio.write(b'foo')
+        self.assertEqual(bio.read(), b'foo')
+        bio.write(bytearray(b'bar'))
+        self.assertEqual(bio.read(), b'bar')
+        bio.write(memoryview(b'baz'))
+        self.assertEqual(bio.read(), b'baz')
+
+    def test_error_types(self):
+        bio = ssl.MemoryBIO()
+        self.assertRaises(TypeError, bio.write, 'foo')
+        self.assertRaises(TypeError, bio.write, None)
+        self.assertRaises(TypeError, bio.write, True)
+        self.assertRaises(TypeError, bio.write, 1)
+
+
 class NetworkedTests(unittest.TestCase):
 
     def test_connect(self):
@@ -1396,14 +1569,12 @@ class NetworkedTests(unittest.TestCase):
     def test_get_server_certificate(self):
         def _test_get_server_certificate(host, port, cert=None):
             with support.transient_internet(host):
-                pem = ssl.get_server_certificate((host, port),
-                                                 ssl.PROTOCOL_SSLv23)
+                pem = ssl.get_server_certificate((host, port))
                 if not pem:
                     self.fail("No server certificate on %s:%s!" % (host, port))
 
                 try:
                     pem = ssl.get_server_certificate((host, port),
-                                                     ssl.PROTOCOL_SSLv23,
                                                      ca_certs=CERTFILE)
                 except ssl.SSLError as x:
                     #should fail
@@ -1413,7 +1584,6 @@ class NetworkedTests(unittest.TestCase):
                     self.fail("Got server certificate %s for %s:%s!" % (pem, host, port))
 
                 pem = ssl.get_server_certificate((host, port),
-                                                 ssl.PROTOCOL_SSLv23,
                                                  ca_certs=cert)
                 if not pem:
                     self.fail("No server certificate on %s:%s!" % (host, port))
@@ -1499,6 +1669,93 @@ class NetworkedTests(unittest.TestCase):
                 self.assertIs(ss.context, ctx2)
                 self.assertIs(ss._sslobj.context, ctx2)
 
+
+class NetworkedBIOTests(unittest.TestCase):
+
+    def ssl_io_loop(self, sock, incoming, outgoing, func, *args, **kwargs):
+        # A simple IO loop. Call func(*args) depending on the error we get
+        # (WANT_READ or WANT_WRITE) move data between the socket and the BIOs.
+        timeout = kwargs.get('timeout', 10)
+        count = 0
+        while True:
+            errno = None
+            count += 1
+            try:
+                ret = func(*args)
+            except ssl.SSLError as e:
+                # Note that we get a spurious -1/SSL_ERROR_SYSCALL for
+                # non-blocking IO. The SSL_shutdown manpage hints at this.
+                # It *should* be safe to just ignore SYS_ERROR_SYSCALL because
+                # with a Memory BIO there's no syscalls (for IO at least).
+                if e.errno not in (ssl.SSL_ERROR_WANT_READ,
+                                   ssl.SSL_ERROR_WANT_WRITE,
+                                   ssl.SSL_ERROR_SYSCALL):
+                    raise
+                errno = e.errno
+            # Get any data from the outgoing BIO irrespective of any error, and
+            # send it to the socket.
+            buf = outgoing.read()
+            sock.sendall(buf)
+            # If there's no error, we're done. For WANT_READ, we need to get
+            # data from the socket and put it in the incoming BIO.
+            if errno is None:
+                break
+            elif errno == ssl.SSL_ERROR_WANT_READ:
+                buf = sock.recv(32768)
+                if buf:
+                    incoming.write(buf)
+                else:
+                    incoming.write_eof()
+        if support.verbose:
+            sys.stdout.write("Needed %d calls to complete %s().\n"
+                             % (count, func.__name__))
+        return ret
+
+    def test_handshake(self):
+        with support.transient_internet("svn.python.org"):
+            sock = socket.socket(socket.AF_INET)
+            sock.connect(("svn.python.org", 443))
+            incoming = ssl.MemoryBIO()
+            outgoing = ssl.MemoryBIO()
+            ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+            ctx.verify_mode = ssl.CERT_REQUIRED
+            ctx.load_verify_locations(SVN_PYTHON_ORG_ROOT_CERT)
+            ctx.check_hostname = True
+            sslobj = ctx.wrap_bio(incoming, outgoing, False, 'svn.python.org')
+            self.assertIs(sslobj._sslobj.owner, sslobj)
+            self.assertIsNone(sslobj.cipher())
+            self.assertIsNone(sslobj.shared_ciphers())
+            self.assertRaises(ValueError, sslobj.getpeercert)
+            if 'tls-unique' in ssl.CHANNEL_BINDING_TYPES:
+                self.assertIsNone(sslobj.get_channel_binding('tls-unique'))
+            self.ssl_io_loop(sock, incoming, outgoing, sslobj.do_handshake)
+            self.assertTrue(sslobj.cipher())
+            self.assertIsNone(sslobj.shared_ciphers())
+            self.assertTrue(sslobj.getpeercert())
+            if 'tls-unique' in ssl.CHANNEL_BINDING_TYPES:
+                self.assertTrue(sslobj.get_channel_binding('tls-unique'))
+            self.ssl_io_loop(sock, incoming, outgoing, sslobj.unwrap)
+            self.assertRaises(ssl.SSLError, sslobj.write, b'foo')
+            sock.close()
+
+    def test_read_write_data(self):
+        with support.transient_internet("svn.python.org"):
+            sock = socket.socket(socket.AF_INET)
+            sock.connect(("svn.python.org", 443))
+            incoming = ssl.MemoryBIO()
+            outgoing = ssl.MemoryBIO()
+            ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+            ctx.verify_mode = ssl.CERT_NONE
+            sslobj = ctx.wrap_bio(incoming, outgoing, False)
+            self.ssl_io_loop(sock, incoming, outgoing, sslobj.do_handshake)
+            req = b'GET / HTTP/1.0\r\n\r\n'
+            self.ssl_io_loop(sock, incoming, outgoing, sslobj.write, req)
+            buf = self.ssl_io_loop(sock, incoming, outgoing, sslobj.read, 1024)
+            self.assertEqual(buf[:5], b'HTTP/')
+            self.ssl_io_loop(sock, incoming, outgoing, sslobj.unwrap)
+            sock.close()
+
+
 try:
     import threading
 except ImportError:
@@ -1530,7 +1787,8 @@ else:
                 try:
                     self.sslconn = self.server.context.wrap_socket(
                         self.sock, server_side=True)
-                    self.server.selected_protocols.append(self.sslconn.selected_npn_protocol())
+                    self.server.selected_npn_protocols.append(self.sslconn.selected_npn_protocol())
+                    self.server.selected_alpn_protocols.append(self.sslconn.selected_alpn_protocol())
                 except (ssl.SSLError, ConnectionResetError) as e:
                     # We treat ConnectionResetError as though it were an
                     # SSLError - OpenSSL on Ubuntu abruptly closes the
@@ -1547,6 +1805,7 @@ else:
                     self.close()
                     return False
                 else:
+                    self.server.shared_ciphers.append(self.sslconn.shared_ciphers())
                     if self.server.context.verify_mode == ssl.CERT_REQUIRED:
                         cert = self.sslconn.getpeercert()
                         if support.verbose and self.server.chatty:
@@ -1637,7 +1896,8 @@ else:
         def __init__(self, certificate=None, ssl_version=None,
                      certreqs=None, cacerts=None,
                      chatty=True, connectionchatty=False, starttls_server=False,
-                     npn_protocols=None, ciphers=None, context=None):
+                     npn_protocols=None, alpn_protocols=None,
+                     ciphers=None, context=None):
             if context:
                 self.context = context
             else:
@@ -1652,6 +1912,8 @@ else:
                     self.context.load_cert_chain(certificate)
                 if npn_protocols:
                     self.context.set_npn_protocols(npn_protocols)
+                if alpn_protocols:
+                    self.context.set_alpn_protocols(alpn_protocols)
                 if ciphers:
                     self.context.set_ciphers(ciphers)
             self.chatty = chatty
@@ -1661,7 +1923,9 @@ else:
             self.port = support.bind_port(self.sock)
             self.flag = None
             self.active = False
-            self.selected_protocols = []
+            self.selected_npn_protocols = []
+            self.selected_alpn_protocols = []
+            self.shared_ciphers = []
             self.conn_errors = []
             threading.Thread.__init__(self)
             self.daemon = True
@@ -1681,7 +1945,7 @@ else:
 
         def run(self):
             self.sock.settimeout(0.05)
-            self.sock.listen(5)
+            self.sock.listen()
             self.active = True
             if self.flag:
                 # signal an event
@@ -1887,14 +2151,25 @@ else:
                     'compression': s.compression(),
                     'cipher': s.cipher(),
                     'peercert': s.getpeercert(),
-                    'client_npn_protocol': s.selected_npn_protocol()
+                    'client_alpn_protocol': s.selected_alpn_protocol(),
+                    'client_npn_protocol': s.selected_npn_protocol(),
+                    'version': s.version(),
                 })
                 s.close()
-            stats['server_npn_protocols'] = server.selected_protocols
+            stats['server_alpn_protocols'] = server.selected_alpn_protocols
+            stats['server_npn_protocols'] = server.selected_npn_protocols
+            stats['server_shared_ciphers'] = server.shared_ciphers
         return stats
 
     def try_protocol_combo(server_protocol, client_protocol, expect_success,
                            certsreqs=None, server_options=0, client_options=0):
+        """
+        Try to SSL-connect using *client_protocol* to *server_protocol*.
+        If *expect_success* is true, assert that the connection succeeds,
+        if it's false, assert that the connection fails.
+        Also, if *expect_success* is a string, assert that it is the protocol
+        version actually used by the connection.
+        """
         if certsreqs is None:
             certsreqs = ssl.CERT_NONE
         certtype = {
@@ -1924,8 +2199,8 @@ else:
             ctx.load_cert_chain(CERTFILE)
             ctx.load_verify_locations(CERTFILE)
         try:
-            server_params_test(client_context, server_context,
-                               chatty=False, connectionchatty=False)
+            stats = server_params_test(client_context, server_context,
+                                       chatty=False, connectionchatty=False)
         # Protocol mismatch can result in either an SSLError, or a
         # "Connection reset by peer" error.
         except ssl.SSLError:
@@ -1940,6 +2215,10 @@ else:
                     "Client protocol %s succeeded with server protocol %s!"
                     % (ssl.get_protocol_name(client_protocol),
                        ssl.get_protocol_name(server_protocol)))
+            elif (expect_success is not True
+                  and expect_success != stats['version']):
+                raise AssertionError("version mismatch: expected %r, got %r"
+                                     % (expect_success, stats['version']))
 
 
     class ThreadedTests(unittest.TestCase):
@@ -2107,7 +2386,7 @@ else:
             # and sets Event `listener_gone` to let the main thread know
             # the socket is gone.
             def listener():
-                s.listen(5)
+                s.listen()
                 listener_ready.set()
                 newsock, addr = s.accept()
                 newsock.close()
@@ -2172,19 +2451,19 @@ else:
                             " SSL2 client to SSL23 server test unexpectedly failed:\n %s\n"
                             % str(x))
             if hasattr(ssl, 'PROTOCOL_SSLv3'):
-                try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True)
+                try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, 'SSLv3')
             try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True)
-            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True)
+            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, 'TLSv1')
 
             if hasattr(ssl, 'PROTOCOL_SSLv3'):
-                try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True, ssl.CERT_OPTIONAL)
+                try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, 'SSLv3', ssl.CERT_OPTIONAL)
             try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True, ssl.CERT_OPTIONAL)
-            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True, ssl.CERT_OPTIONAL)
+            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_OPTIONAL)
 
             if hasattr(ssl, 'PROTOCOL_SSLv3'):
-                try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True, ssl.CERT_REQUIRED)
+                try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, 'SSLv3', ssl.CERT_REQUIRED)
             try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True, ssl.CERT_REQUIRED)
-            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True, ssl.CERT_REQUIRED)
+            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_REQUIRED)
 
             # Server with specific SSL options
             if hasattr(ssl, 'PROTOCOL_SSLv3'):
@@ -2204,9 +2483,9 @@ else:
             """Connecting to an SSLv3 server with various client options"""
             if support.verbose:
                 sys.stdout.write("\n")
-            try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True)
-            try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True, ssl.CERT_OPTIONAL)
-            try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True, ssl.CERT_REQUIRED)
+            try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, 'SSLv3')
+            try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, 'SSLv3', ssl.CERT_OPTIONAL)
+            try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, 'SSLv3', ssl.CERT_REQUIRED)
             if hasattr(ssl, 'PROTOCOL_SSLv2'):
                 try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv2, False)
             try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv23, False,
@@ -2214,7 +2493,7 @@ else:
             try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_TLSv1, False)
             if no_sslv2_implies_sslv3_hello():
                 # No SSLv2 => client will use an SSLv3 hello on recent OpenSSLs
-                try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv23, True,
+                try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv23, 'SSLv3',
                                    client_options=ssl.OP_NO_SSLv2)
 
         @skip_if_broken_ubuntu_ssl
@@ -2222,9 +2501,9 @@ else:
             """Connecting to a TLSv1 server with various client options"""
             if support.verbose:
                 sys.stdout.write("\n")
-            try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True)
-            try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True, ssl.CERT_OPTIONAL)
-            try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True, ssl.CERT_REQUIRED)
+            try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, 'TLSv1')
+            try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_OPTIONAL)
+            try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_REQUIRED)
             if hasattr(ssl, 'PROTOCOL_SSLv2'):
                 try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv2, False)
             if hasattr(ssl, 'PROTOCOL_SSLv3'):
@@ -2240,7 +2519,7 @@ else:
                Testing against older TLS versions."""
             if support.verbose:
                 sys.stdout.write("\n")
-            try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1_1, True)
+            try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1_1, 'TLSv1.1')
             if hasattr(ssl, 'PROTOCOL_SSLv2'):
                 try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_SSLv2, False)
             if hasattr(ssl, 'PROTOCOL_SSLv3'):
@@ -2248,7 +2527,7 @@ else:
             try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_SSLv23, False,
                                client_options=ssl.OP_NO_TLSv1_1)
 
-            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_1, True)
+            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_1, 'TLSv1.1')
             try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1, False)
             try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1_1, False)
 
@@ -2261,7 +2540,7 @@ else:
                Testing against older TLS versions."""
             if support.verbose:
                 sys.stdout.write("\n")
-            try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1_2, True,
+            try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1_2, 'TLSv1.2',
                                server_options=ssl.OP_NO_SSLv3|ssl.OP_NO_SSLv2,
                                client_options=ssl.OP_NO_SSLv3|ssl.OP_NO_SSLv2,)
             if hasattr(ssl, 'PROTOCOL_SSLv2'):
@@ -2271,7 +2550,7 @@ else:
             try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_SSLv23, False,
                                client_options=ssl.OP_NO_TLSv1_2)
 
-            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_2, True)
+            try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_2, 'TLSv1.2')
             try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1, False)
             try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1_2, False)
             try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1_1, False)
@@ -2507,6 +2786,36 @@ else:
                 s.write(b"over\n")
                 s.close()
 
+        def test_nonblocking_send(self):
+            server = ThreadedEchoServer(CERTFILE,
+                                        certreqs=ssl.CERT_NONE,
+                                        ssl_version=ssl.PROTOCOL_TLSv1,
+                                        cacerts=CERTFILE,
+                                        chatty=True,
+                                        connectionchatty=False)
+            with server:
+                s = ssl.wrap_socket(socket.socket(),
+                                    server_side=False,
+                                    certfile=CERTFILE,
+                                    ca_certs=CERTFILE,
+                                    cert_reqs=ssl.CERT_NONE,
+                                    ssl_version=ssl.PROTOCOL_TLSv1)
+                s.connect((HOST, server.port))
+                s.setblocking(False)
+
+                # If we keep sending data, at some point the buffers
+                # will be full and the call will block
+                buf = bytearray(8192)
+                def fill_buffer():
+                    while True:
+                        s.send(buf)
+                self.assertRaises((ssl.SSLWantWriteError,
+                                   ssl.SSLWantReadError), fill_buffer)
+
+                # Now read all the output and discard it
+                s.setblocking(True)
+                s.close()
+
         def test_handshake_timeout(self):
             # Issue #5103: SSL handshake must respect the socket timeout
             server = socket.socket(socket.AF_INET)
@@ -2516,7 +2825,7 @@ else:
             finish = False
 
             def serve():
-                server.listen(5)
+                server.listen()
                 started.set()
                 conns = []
                 while not finish:
@@ -2573,7 +2882,7 @@ else:
             peer = None
             def serve():
                 nonlocal remote, peer
-                server.listen(5)
+                server.listen()
                 # Block on the accept and wait on the connection to close.
                 evt.set()
                 remote, peer = server.accept()
@@ -2623,6 +2932,21 @@ else:
                         s.connect((HOST, server.port))
             self.assertIn("no shared cipher", str(server.conn_errors[0]))
 
+        def test_version_basic(self):
+            """
+            Basic tests for SSLSocket.version().
+            More tests are done in the test_protocol_*() methods.
+            """
+            context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            with ThreadedEchoServer(CERTFILE,
+                                    ssl_version=ssl.PROTOCOL_TLSv1,
+                                    chatty=False) as server:
+                with context.wrap_socket(socket.socket()) as s:
+                    self.assertIs(s.version(), None)
+                    s.connect((HOST, server.port))
+                    self.assertEqual(s.version(), "TLSv1")
+                self.assertIs(s.version(), None)
+
         @unittest.skipUnless(ssl.HAS_ECDH, "test requires ECDH-enabled OpenSSL")
         def test_default_ecdh_curve(self):
             # Issue #21015: elliptic curve-based Diffie Hellman key exchange
@@ -2732,6 +3056,55 @@ else:
             if "ADH" not in parts and "EDH" not in parts and "DHE" not in parts:
                 self.fail("Non-DH cipher: " + cipher[0])
 
+        def test_selected_alpn_protocol(self):
+            # selected_alpn_protocol() is None unless ALPN is used.
+            context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            context.load_cert_chain(CERTFILE)
+            stats = server_params_test(context, context,
+                                       chatty=True, connectionchatty=True)
+            self.assertIs(stats['client_alpn_protocol'], None)
+
+        @unittest.skipUnless(ssl.HAS_ALPN, "ALPN support required")
+        def test_selected_alpn_protocol_if_server_uses_alpn(self):
+            # selected_alpn_protocol() is None unless ALPN is used by the client.
+            client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            client_context.load_verify_locations(CERTFILE)
+            server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            server_context.load_cert_chain(CERTFILE)
+            server_context.set_alpn_protocols(['foo', 'bar'])
+            stats = server_params_test(client_context, server_context,
+                                       chatty=True, connectionchatty=True)
+            self.assertIs(stats['client_alpn_protocol'], None)
+
+        @unittest.skipUnless(ssl.HAS_ALPN, "ALPN support needed for this test")
+        def test_alpn_protocols(self):
+            server_protocols = ['foo', 'bar', 'milkshake']
+            protocol_tests = [
+                (['foo', 'bar'], 'foo'),
+                (['bar', 'foo'], 'foo'),
+                (['milkshake'], 'milkshake'),
+                (['http/3.0', 'http/4.0'], None)
+            ]
+            for client_protocols, expected in protocol_tests:
+                server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+                server_context.load_cert_chain(CERTFILE)
+                server_context.set_alpn_protocols(server_protocols)
+                client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+                client_context.load_cert_chain(CERTFILE)
+                client_context.set_alpn_protocols(client_protocols)
+                stats = server_params_test(client_context, server_context,
+                                           chatty=True, connectionchatty=True)
+
+                msg = "failed trying %s (s) and %s (c).\n" \
+                      "was expecting %s, but got %%s from the %%s" \
+                          % (str(server_protocols), str(client_protocols),
+                             str(expected))
+                client_result = stats['client_alpn_protocol']
+                self.assertEqual(client_result, expected, msg % (client_result, "client"))
+                server_result = stats['server_alpn_protocols'][-1] \
+                    if len(stats['server_alpn_protocols']) else 'nothing'
+                self.assertEqual(server_result, expected, msg % (server_result, "server"))
+
         def test_selected_npn_protocol(self):
             # selected_npn_protocol() is None unless NPN is used
             context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
@@ -2872,6 +3245,20 @@ else:
             self.assertEqual(cm.exception.reason, 'TLSV1_ALERT_INTERNAL_ERROR')
             self.assertIn("TypeError", stderr.getvalue())
 
+        def test_shared_ciphers(self):
+            server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            server_context.load_cert_chain(SIGNED_CERTFILE)
+            client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            client_context.verify_mode = ssl.CERT_REQUIRED
+            client_context.load_verify_locations(SIGNING_CA)
+            client_context.set_ciphers("RC4")
+            server_context.set_ciphers("AES:RC4")
+            stats = server_params_test(client_context, server_context)
+            ciphers = stats['server_shared_ciphers'][0]
+            self.assertGreater(len(ciphers), 0)
+            for name, tls_version, bits in ciphers:
+                self.assertIn("RC4", name.split("-"))
+
         def test_read_write_after_close_raises_valuerror(self):
             context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             context.verify_mode = ssl.CERT_REQUIRED
@@ -2887,6 +3274,23 @@ else:
                 self.assertRaises(ValueError, s.read, 1024)
                 self.assertRaises(ValueError, s.write, b'hello')
 
+        def test_sendfile(self):
+            TEST_DATA = b"x" * 512
+            with open(support.TESTFN, 'wb') as f:
+                f.write(TEST_DATA)
+            self.addCleanup(support.unlink, support.TESTFN)
+            context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+            context.verify_mode = ssl.CERT_REQUIRED
+            context.load_verify_locations(CERTFILE)
+            context.load_cert_chain(CERTFILE)
+            server = ThreadedEchoServer(context=context, chatty=False)
+            with server:
+                with context.wrap_socket(socket.socket()) as s:
+                    s.connect((HOST, server.port))
+                    with open(support.TESTFN, 'rb') as file:
+                        s.sendfile(file)
+                        self.assertEqual(s.recv(1024), TEST_DATA)
+
 
 def test_main(verbose=False):
     if support.verbose:
@@ -2920,10 +3324,11 @@ def test_main(verbose=False):
         if not os.path.exists(filename):
             raise support.TestFailed("Can't read certificate file %r" % filename)
 
-    tests = [ContextTests, BasicSocketTests, SSLErrorTests]
+    tests = [ContextTests, BasicSocketTests, SSLErrorTests, MemoryBIOTests]
 
     if support.is_resource_enabled('network'):
         tests.append(NetworkedTests)
+        tests.append(NetworkedBIOTests)
 
     if _have_threads:
         thread_info = support.threading_setup()
diff --git a/Lib/test/test_startfile.py b/Lib/test/test_startfile.py
index 43abf9b..f59252e 100644
--- a/Lib/test/test_startfile.py
+++ b/Lib/test/test_startfile.py
@@ -30,8 +30,5 @@ class TestCase(unittest.TestCase):
             startfile(empty)
             startfile(empty, "open")
 
-def test_main():
-    support.run_unittest(TestCase)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_stat.py b/Lib/test/test_stat.py
index af6ced4..f1a5938 100644
--- a/Lib/test/test_stat.py
+++ b/Lib/test/test_stat.py
@@ -1,5 +1,6 @@
 import unittest
 import os
+import sys
 from test.support import TESTFN, import_fresh_module
 
 c_stat = import_fresh_module('stat', fresh=['_stat'])
@@ -52,6 +53,26 @@ class TestFilemode:
         'S_IWOTH': 0o002,
         'S_IXOTH': 0o001}
 
+    # defined by the Windows API documentation
+    file_attributes = {
+        'FILE_ATTRIBUTE_ARCHIVE': 32,
+        'FILE_ATTRIBUTE_COMPRESSED': 2048,
+        'FILE_ATTRIBUTE_DEVICE': 64,
+        'FILE_ATTRIBUTE_DIRECTORY': 16,
+        'FILE_ATTRIBUTE_ENCRYPTED': 16384,
+        'FILE_ATTRIBUTE_HIDDEN': 2,
+        'FILE_ATTRIBUTE_INTEGRITY_STREAM': 32768,
+        'FILE_ATTRIBUTE_NORMAL': 128,
+        'FILE_ATTRIBUTE_NOT_CONTENT_INDEXED': 8192,
+        'FILE_ATTRIBUTE_NO_SCRUB_DATA': 131072,
+        'FILE_ATTRIBUTE_OFFLINE': 4096,
+        'FILE_ATTRIBUTE_READONLY': 1,
+        'FILE_ATTRIBUTE_REPARSE_POINT': 1024,
+        'FILE_ATTRIBUTE_SPARSE_FILE': 512,
+        'FILE_ATTRIBUTE_SYSTEM': 4,
+        'FILE_ATTRIBUTE_TEMPORARY': 256,
+        'FILE_ATTRIBUTE_VIRTUAL': 65536}
+
     def setUp(self):
         try:
             os.remove(TESTFN)
@@ -185,6 +206,14 @@ class TestFilemode:
             self.assertTrue(callable(func))
             self.assertEqual(func(0), 0)
 
+    @unittest.skipUnless(sys.platform == "win32",
+                         "FILE_ATTRIBUTE_* constants are Win32 specific")
+    def test_file_attribute_constants(self):
+        for key, value in sorted(self.file_attributes.items()):
+            self.assertTrue(hasattr(self.statmod, key), key)
+            modvalue = getattr(self.statmod, key)
+            self.assertEqual(value, modvalue, key)
+
 
 class TestFilemodeCStat(TestFilemode, unittest.TestCase):
     statmod = c_stat
diff --git a/Lib/test/test_string.py b/Lib/test/test_string.py
index 30fe42a..5d37e16 100644
--- a/Lib/test/test_string.py
+++ b/Lib/test/test_string.py
@@ -1,19 +1,22 @@
 import unittest, string
-from test import support
 
 
 class ModuleTest(unittest.TestCase):
 
     def test_attrs(self):
-        string.whitespace
-        string.ascii_lowercase
-        string.ascii_uppercase
-        string.ascii_letters
-        string.digits
-        string.hexdigits
-        string.octdigits
-        string.punctuation
-        string.printable
+        # While the exact order of the items in these attributes is not
+        # technically part of the "language spec", in practice there is almost
+        # certainly user code that depends on the order, so de-facto it *is*
+        # part of the spec.
+        self.assertEqual(string.whitespace, ' \t\n\r\x0b\x0c')
+        self.assertEqual(string.ascii_lowercase, 'abcdefghijklmnopqrstuvwxyz')
+        self.assertEqual(string.ascii_uppercase, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ')
+        self.assertEqual(string.ascii_letters, string.ascii_lowercase + string.ascii_uppercase)
+        self.assertEqual(string.digits, '0123456789')
+        self.assertEqual(string.hexdigits, string.digits + 'abcdefABCDEF')
+        self.assertEqual(string.octdigits, '01234567')
+        self.assertEqual(string.punctuation, '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~')
+        self.assertEqual(string.printable, string.digits + string.ascii_lowercase + string.ascii_uppercase + string.punctuation + string.whitespace)
 
     def test_capwords(self):
         self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
@@ -43,8 +46,9 @@ class ModuleTest(unittest.TestCase):
         self.assertEqual(fmt.format("-{format_string}-", format_string='test'),
                          '-test-')
         self.assertRaises(KeyError, fmt.format, "-{format_string}-")
-        self.assertEqual(fmt.format(arg='test', format_string="-{arg}-"),
-                         '-test-')
+        with self.assertWarnsRegex(DeprecationWarning, "format_string"):
+            self.assertEqual(fmt.format(arg='test', format_string="-{arg}-"),
+                             '-test-')
 
     def test_auto_numbering(self):
         fmt = string.Formatter()
@@ -181,8 +185,5 @@ class ModuleTest(unittest.TestCase):
         self.assertIn("recursion", str(err.exception))
 
 
-def test_main():
-    support.run_unittest(ModuleTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_stringprep.py b/Lib/test/test_stringprep.py
index e763635..d4b4a13 100644
--- a/Lib/test/test_stringprep.py
+++ b/Lib/test/test_stringprep.py
@@ -2,7 +2,6 @@
 # Since we don't have them, this test checks only a few code points.
 
 import unittest
-from test import support
 
 from stringprep import *
 
@@ -89,8 +88,5 @@ class StringprepTests(unittest.TestCase):
         #     h.update(data)
         #     print p, h.hexdigest()
 
-def test_main():
-    support.run_unittest(StringprepTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_strlit.py b/Lib/test/test_strlit.py
index d01322f..87cffe8 100644
--- a/Lib/test/test_strlit.py
+++ b/Lib/test/test_strlit.py
@@ -32,7 +32,6 @@ import sys
 import shutil
 import tempfile
 import unittest
-import test.support
 
 
 TEMPLATE = r"""# coding: %s
@@ -199,8 +198,5 @@ class TestLiterals(unittest.TestCase):
         self.check_encoding("latin9")
 
 
-def test_main():
-    test.support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_strptime.py b/Lib/test/test_strptime.py
index 2a6f3f8..346e2c6 100644
--- a/Lib/test/test_strptime.py
+++ b/Lib/test/test_strptime.py
@@ -578,18 +578,5 @@ class CacheTests(unittest.TestCase):
             locale.setlocale(locale.LC_TIME, locale_info)
 
 
-def test_main():
-    support.run_unittest(
-        getlang_Tests,
-        LocaleTime_Tests,
-        TimeRETests,
-        StrptimeTests,
-        Strptime12AMPMTests,
-        JulianTests,
-        CalculationTests,
-        CacheTests
-    )
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_strtod.py b/Lib/test/test_strtod.py
index 41b6e5f..2727514 100644
--- a/Lib/test/test_strtod.py
+++ b/Lib/test/test_strtod.py
@@ -429,8 +429,5 @@ class StrtodTests(unittest.TestCase):
         for s in test_strings:
             self.check_strtod(s)
 
-def test_main():
-    test.support.run_unittest(StrtodTests)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 0107eeb..efbdbfc 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -660,8 +660,5 @@ class UnpackIteratorTest(unittest.TestCase):
         self.assertRaises(StopIteration, next, it)
 
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_structmembers.py b/Lib/test/test_structmembers.py
index 1c931ae..57ec45f 100644
--- a/Lib/test/test_structmembers.py
+++ b/Lib/test/test_structmembers.py
@@ -140,8 +140,5 @@ class TestWarnings(unittest.TestCase):
             ts.T_USHORT = USHRT_MAX+1
 
 
-def test_main(verbose=None):
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_structseq.py b/Lib/test/test_structseq.py
index 353d0ea..3ecb27d 100644
--- a/Lib/test/test_structseq.py
+++ b/Lib/test/test_structseq.py
@@ -1,7 +1,6 @@
 import os
 import time
 import unittest
-from test import support
 
 
 class StructSeqTest(unittest.TestCase):
@@ -123,8 +122,5 @@ class StructSeqTest(unittest.TestCase):
                     self.assertEqual(list(t[start:stop:step]),
                                      L[start:stop:step])
 
-def test_main():
-    support.run_unittest(StructSeqTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 3591b5e..7398bdc 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1232,6 +1232,102 @@ class ProcessTestCase(BaseTestCase):
         fds_after_exception = os.listdir(fd_directory)
         self.assertEqual(fds_before_popen, fds_after_exception)
 
+
+class RunFuncTestCase(BaseTestCase):
+    def run_python(self, code, **kwargs):
+        """Run Python code in a subprocess using subprocess.run"""
+        argv = [sys.executable, "-c", code]
+        return subprocess.run(argv, **kwargs)
+
+    def test_returncode(self):
+        # call() function with sequence argument
+        cp = self.run_python("import sys; sys.exit(47)")
+        self.assertEqual(cp.returncode, 47)
+        with self.assertRaises(subprocess.CalledProcessError):
+            cp.check_returncode()
+
+    def test_check(self):
+        with self.assertRaises(subprocess.CalledProcessError) as c:
+            self.run_python("import sys; sys.exit(47)", check=True)
+        self.assertEqual(c.exception.returncode, 47)
+
+    def test_check_zero(self):
+        # check_returncode shouldn't raise when returncode is zero
+        cp = self.run_python("import sys; sys.exit(0)", check=True)
+        self.assertEqual(cp.returncode, 0)
+
+    def test_timeout(self):
+        # run() function with timeout argument; we want to test that the child
+        # process gets killed when the timeout expires.  If the child isn't
+        # killed, this call will deadlock since subprocess.run waits for the
+        # child.
+        with self.assertRaises(subprocess.TimeoutExpired):
+            self.run_python("while True: pass", timeout=0.0001)
+
+    def test_capture_stdout(self):
+        # capture stdout with zero return code
+        cp = self.run_python("print('BDFL')", stdout=subprocess.PIPE)
+        self.assertIn(b'BDFL', cp.stdout)
+
+    def test_capture_stderr(self):
+        cp = self.run_python("import sys; sys.stderr.write('BDFL')",
+                             stderr=subprocess.PIPE)
+        self.assertIn(b'BDFL', cp.stderr)
+
+    def test_check_output_stdin_arg(self):
+        # run() can be called with stdin set to a file
+        tf = tempfile.TemporaryFile()
+        self.addCleanup(tf.close)
+        tf.write(b'pear')
+        tf.seek(0)
+        cp = self.run_python(
+                 "import sys; sys.stdout.write(sys.stdin.read().upper())",
+                stdin=tf, stdout=subprocess.PIPE)
+        self.assertIn(b'PEAR', cp.stdout)
+
+    def test_check_output_input_arg(self):
+        # check_output() can be called with input set to a string
+        cp = self.run_python(
+                "import sys; sys.stdout.write(sys.stdin.read().upper())",
+                input=b'pear', stdout=subprocess.PIPE)
+        self.assertIn(b'PEAR', cp.stdout)
+
+    def test_check_output_stdin_with_input_arg(self):
+        # run() refuses to accept 'stdin' with 'input'
+        tf = tempfile.TemporaryFile()
+        self.addCleanup(tf.close)
+        tf.write(b'pear')
+        tf.seek(0)
+        with self.assertRaises(ValueError,
+              msg="Expected ValueError when stdin and input args supplied.") as c:
+            output = self.run_python("print('will not be run')",
+                                     stdin=tf, input=b'hare')
+        self.assertIn('stdin', c.exception.args[0])
+        self.assertIn('input', c.exception.args[0])
+
+    def test_check_output_timeout(self):
+        with self.assertRaises(subprocess.TimeoutExpired) as c:
+            cp = self.run_python((
+                     "import sys, time\n"
+                     "sys.stdout.write('BDFL')\n"
+                     "sys.stdout.flush()\n"
+                     "time.sleep(3600)"),
+                    # Some heavily loaded buildbots (sparc Debian 3.x) require
+                    # this much time to start and print.
+                    timeout=3, stdout=subprocess.PIPE)
+        self.assertEqual(c.exception.output, b'BDFL')
+        # output is aliased to stdout
+        self.assertEqual(c.exception.stdout, b'BDFL')
+
+    def test_run_kwargs(self):
+        newenv = os.environ.copy()
+        newenv["FRUIT"] = "banana"
+        cp = self.run_python(('import sys, os;'
+                      'sys.exit(33 if os.getenv("FRUIT")=="banana" else 31)'),
+                             env=newenv)
+        self.assertEqual(cp.returncode, 33)
+
+
 @unittest.skipIf(mswindows, "POSIX specific tests")
 class POSIXProcessTestCase(BaseTestCase):
 
@@ -2420,24 +2516,20 @@ class ProcessTestCaseNoPoll(ProcessTestCase):
         subprocess._PopenSelector = self.orig_selector
         ProcessTestCase.tearDown(self)
 
+    def test__all__(self):
+        """Ensure that __all__ is populated properly."""
+        intentionally_excluded = set(("list2cmdline",))
+        exported = set(subprocess.__all__)
+        possible_exports = set()
+        import types
+        for name, value in subprocess.__dict__.items():
+            if name.startswith('_'):
+                continue
+            if isinstance(value, (types.ModuleType,)):
+                continue
+            possible_exports.add(name)
+        self.assertEqual(exported, possible_exports - intentionally_excluded)
 
-class HelperFunctionTests(unittest.TestCase):
-    @unittest.skipIf(mswindows, "errno and EINTR make no sense on windows")
-    def test_eintr_retry_call(self):
-        record_calls = []
-        def fake_os_func(*args):
-            record_calls.append(args)
-            if len(record_calls) == 2:
-                raise OSError(errno.EINTR, "fake interrupted system call")
-            return tuple(reversed(args))
-
-        self.assertEqual((999, 256),
-                         subprocess._eintr_retry_call(fake_os_func, 256, 999))
-        self.assertEqual([(256, 999)], record_calls)
-        # This time there will be an EINTR so it will loop once.
-        self.assertEqual((666,),
-                         subprocess._eintr_retry_call(fake_os_func, 666))
-        self.assertEqual([(256, 999), (666,), (666,)], record_calls)
 
 
 @unittest.skipUnless(mswindows, "Windows-specific tests")
@@ -2544,9 +2636,9 @@ def test_main():
                   Win32ProcessTestCase,
                   CommandTests,
                   ProcessTestCaseNoPoll,
-                  HelperFunctionTests,
                   CommandsWithSpaces,
                   ContextManagerTests,
+                  RunFuncTestCase,
                   )
 
     support.run_unittest(*unit_tests)
diff --git a/Lib/test/test_super.py b/Lib/test/test_super.py
index 37fc2d9..dc3a15f 100644
--- a/Lib/test/test_super.py
+++ b/Lib/test/test_super.py
@@ -2,7 +2,6 @@
 
 import sys
 import unittest
-from test import support
 
 
 class A:
@@ -173,9 +172,5 @@ class TestSuper(unittest.TestCase):
         self.assertRaises(TypeError, X.meth, c)
 
 
-def test_main():
-    support.run_unittest(TestSuper)
-
-
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index 03ce9d1..2c00417 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -85,7 +85,7 @@ class TestSupport(unittest.TestCase):
     def test_bind_port(self):
         s = socket.socket()
         support.bind_port(s)
-        s.listen(1)
+        s.listen()
         s.close()
 
     # Tests for temp_dir()
@@ -280,6 +280,38 @@ class TestSupport(unittest.TestCase):
             self.assertEqual(D["item"], 5)
         self.assertEqual(D["item"], 1)
 
+    class RefClass:
+        attribute1 = None
+        attribute2 = None
+        _hidden_attribute1 = None
+        __magic_1__ = None
+
+    class OtherClass:
+        attribute2 = None
+        attribute3 = None
+        __magic_1__ = None
+        __magic_2__ = None
+
+    def test_detect_api_mismatch(self):
+        missing_items = support.detect_api_mismatch(self.RefClass,
+                                                    self.OtherClass)
+        self.assertEqual({'attribute1'}, missing_items)
+
+        missing_items = support.detect_api_mismatch(self.OtherClass,
+                                                    self.RefClass)
+        self.assertEqual({'attribute3', '__magic_2__'}, missing_items)
+
+    def test_detect_api_mismatch__ignore(self):
+        ignore = ['attribute1', 'attribute3', '__magic_2__', 'not_in_either']
+
+        missing_items = support.detect_api_mismatch(
+                self.RefClass, self.OtherClass, ignore=ignore)
+        self.assertEqual(set(), missing_items)
+
+        missing_items = support.detect_api_mismatch(
+                self.OtherClass, self.RefClass, ignore=ignore)
+        self.assertEqual(set(), missing_items)
+
     # XXX -follows a list of untested API
     # make_legacy_pyc
     # is_resource_enabled
diff --git a/Lib/test/test_symtable.py b/Lib/test/test_symtable.py
index 335b4dc..e5e7b83 100644
--- a/Lib/test/test_symtable.py
+++ b/Lib/test/test_symtable.py
@@ -4,7 +4,6 @@ Test the API of the symtable module.
 import symtable
 import unittest
 
-from test import support
 
 
 TEST_CODE = """
@@ -169,8 +168,5 @@ class SymtableTest(unittest.TestCase):
         symbols = symtable.symtable("def f(x): return x", "?", "exec")
 
 
-def test_main():
-    support.run_unittest(SymtableTest)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index a6d926f..dc241a6 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -636,6 +636,53 @@ class SysModuleTest(unittest.TestCase):
             expected = None
         self.check_fsencoding(fs_encoding, expected)
 
+    def c_locale_get_error_handler(self, isolated=False, encoding=None):
+        # Force the POSIX locale
+        env = os.environ.copy()
+        env["LC_ALL"] = "C"
+        code = '\n'.join((
+            'import sys',
+            'def dump(name):',
+            '    std = getattr(sys, name)',
+            '    print("%s: %s" % (name, std.errors))',
+            'dump("stdin")',
+            'dump("stdout")',
+            'dump("stderr")',
+        ))
+        args = [sys.executable, "-c", code]
+        if isolated:
+            args.append("-I")
+        elif encoding:
+            env['PYTHONIOENCODING'] = encoding
+        p = subprocess.Popen(args,
+                              stdout=subprocess.PIPE,
+                              stderr=subprocess.STDOUT,
+                              env=env,
+                              universal_newlines=True)
+        stdout, stderr = p.communicate()
+        return stdout
+
+    def test_c_locale_surrogateescape(self):
+        out = self.c_locale_get_error_handler(isolated=True)
+        self.assertEqual(out,
+                         'stdin: surrogateescape\n'
+                         'stdout: surrogateescape\n'
+                         'stderr: backslashreplace\n')
+
+        # replace the default error handler
+        out = self.c_locale_get_error_handler(encoding=':strict')
+        self.assertEqual(out,
+                         'stdin: strict\n'
+                         'stdout: strict\n'
+                         'stderr: backslashreplace\n')
+
+        # force the encoding
+        out = self.c_locale_get_error_handler(encoding='iso8859-1')
+        self.assertEqual(out,
+                         'stdin: surrogateescape\n'
+                         'stdout: surrogateescape\n'
+                         'stderr: backslashreplace\n')
+
     def test_implementation(self):
         # This test applies to all implementations equally.
 
@@ -698,6 +745,27 @@ class SysModuleTest(unittest.TestCase):
         c = sys.getallocatedblocks()
         self.assertIn(c, range(b - 50, b + 50))
 
+    def test_is_finalizing(self):
+        self.assertIs(sys.is_finalizing(), False)
+        # Don't use the atexit module because _Py_Finalizing is only set
+        # after calling atexit callbacks
+        code = """if 1:
+            import sys
+
+            class AtExit:
+                is_finalizing = sys.is_finalizing
+                print = print
+
+                def __del__(self):
+                    self.print(self.is_finalizing(), flush=True)
+
+            # Keep a reference in the __main__ module namespace, so the
+            # AtExit destructor will be called at Python exit
+            ref = AtExit()
+        """
+        rc, stdout, stderr = assert_python_ok('-c', code)
+        self.assertEqual(stdout.rstrip(), b'True')
+
 
 @test.support.cpython_only
 class SizeofTest(unittest.TestCase):
@@ -770,7 +838,7 @@ class SizeofTest(unittest.TestCase):
         # buffer
         # XXX
         # builtin_function_or_method
-        check(len, size('3P')) # XXX check layout
+        check(len, size('4P')) # XXX check layout
         # bytearray
         samples = [b'', b'u'*100000]
         for sample in samples:
@@ -874,7 +942,7 @@ class SizeofTest(unittest.TestCase):
             check(bar, size('PP'))
         # generator
         def get_gen(): yield 1
-        check(get_gen(), size('Pb2P'))
+        check(get_gen(), size('Pb2PPP'))
         # iterator
         check(iter('abc'), size('lP'))
         # callable-iterator
@@ -928,7 +996,7 @@ class SizeofTest(unittest.TestCase):
         # frozenset
         PySet_MINSIZE = 8
         samples = [[], range(10), range(50)]
-        s = size('3n2P' + PySet_MINSIZE*'nP' + 'nP')
+        s = size('3nP' + PySet_MINSIZE*'nP' + '2nP')
         for sample in samples:
             minused = len(sample)
             if minused == 0: tmp = 1
@@ -959,7 +1027,7 @@ class SizeofTest(unittest.TestCase):
         check(int, s)
         # (PyTypeObject + PyNumberMethods + PyMappingMethods +
         #  PySequenceMethods + PyBufferProcs + 4P)
-        s = vsize('P2n15Pl4Pn9Pn11PIP') + struct.calcsize('34P 3P 10P 2P 4P')
+        s = vsize('P2n17Pl4Pn9Pn11PIP') + struct.calcsize('34P 3P 10P 2P 4P')
         # Separate block for PyDictKeysObject with 4 entries
         s += struct.calcsize("2nPn") + 4*struct.calcsize("n2P")
         # class
diff --git a/Lib/test/test_sys_setprofile.py b/Lib/test/test_sys_setprofile.py
index 9816e3e..bb71acd 100644
--- a/Lib/test/test_sys_setprofile.py
+++ b/Lib/test/test_sys_setprofile.py
@@ -3,7 +3,6 @@ import pprint
 import sys
 import unittest
 
-from test import support
 
 class TestGetProfile(unittest.TestCase):
     def setUp(self):
@@ -260,7 +259,6 @@ class ProfileHookTestCase(TestCaseBase):
         def f():
             for i in range(2):
                 yield i
-            raise StopIteration
         def g(p):
             for i in f():
                 pass
@@ -374,13 +372,5 @@ def show_events(callable):
     pprint.pprint(capture_events(callable))
 
 
-def test_main():
-    support.run_unittest(
-        TestGetProfile,
-        ProfileHookTestCase,
-        ProfileSimulatorTestCase
-    )
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 804c446..c0f27a6 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -389,6 +389,25 @@ class TestSysConfig(unittest.TestCase):
         self.assertIsNotNone(vars['SO'])
         self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
 
+    @unittest.skipUnless(sys.platform == 'linux', 'Linux-specific test')
+    def test_triplet_in_ext_suffix(self):
+        import ctypes, platform, re
+        machine = platform.machine()
+        suffix = sysconfig.get_config_var('EXT_SUFFIX')
+        if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
+            self.assertTrue('linux' in suffix, suffix)
+        if re.match('(i[3-6]86|x86_64)$', machine):
+            if ctypes.sizeof(ctypes.c_char_p()) == 4:
+                self.assertTrue(suffix.endswith('i386-linux-gnu.so') \
+                                or suffix.endswith('x86_64-linux-gnux32.so'),
+                                suffix)
+            else: # 8 byte pointer size
+                self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
+
+    @unittest.skipUnless(sys.platform == 'darwin', 'OS X-specific test')
+    def test_osx_ext_suffix(self):
+        suffix = sysconfig.get_config_var('EXT_SUFFIX')
+        self.assertTrue(suffix.endswith('-darwin.so'), suffix)
 
 class MakefileTests(unittest.TestCase):
 
diff --git a/Lib/test/test_syslog.py b/Lib/test/test_syslog.py
index b7fd2bd..6f902f1 100644
--- a/Lib/test/test_syslog.py
+++ b/Lib/test/test_syslog.py
@@ -36,8 +36,5 @@ class Test(unittest.TestCase):
         syslog.openlog()
         syslog.syslog('test message from python test_syslog')
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index c135304..483c587 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -2,8 +2,10 @@ import sys
 import os
 import io
 from hashlib import md5
+from contextlib import contextmanager
 
 import unittest
+import unittest.mock
 import tarfile
 
 from test import support, script_helper
@@ -285,6 +287,18 @@ class ListTest(ReadTest, unittest.TestCase):
         self.assertIn(b'pax' + (b'/123' * 125) + b'/longlink link to pax' +
                       (b'/123' * 125) + b'/longname', out)
 
+    def test_list_members(self):
+        tio = io.TextIOWrapper(io.BytesIO(), 'ascii', newline='\n')
+        def members(tar):
+            for tarinfo in tar.getmembers():
+                if 'reg' in tarinfo.name:
+                    yield tarinfo
+        with support.swap_attr(sys, 'stdout', tio):
+            self.tar.list(verbose=False, members=members(self.tar))
+        out = tio.detach().getvalue()
+        self.assertIn(b'ustar/regtype', out)
+        self.assertNotIn(b'ustar/conttype', out)
+
 
 class GzipListTest(GzipTest, ListTest):
     pass
@@ -1416,6 +1430,88 @@ class GNUWriteTest(unittest.TestCase):
                    ("longlnk/" * 127) + "longlink_")
 
 
+class CreateTest(TarTest, unittest.TestCase):
+
+    prefix = "x:"
+
+    file_path = os.path.join(TEMPDIR, "spameggs42")
+
+    def setUp(self):
+        support.unlink(tmpname)
+
+    @classmethod
+    def setUpClass(cls):
+        with open(cls.file_path, "wb") as fobj:
+            fobj.write(b"aaa")
+
+    @classmethod
+    def tearDownClass(cls):
+        support.unlink(cls.file_path)
+
+    def test_create(self):
+        with tarfile.open(tmpname, self.mode) as tobj:
+            tobj.add(self.file_path)
+
+        with self.taropen(tmpname) as tobj:
+            names = tobj.getnames()
+        self.assertEqual(len(names), 1)
+        self.assertIn('spameggs42', names[0])
+
+    def test_create_existing(self):
+        with tarfile.open(tmpname, self.mode) as tobj:
+            tobj.add(self.file_path)
+
+        with self.assertRaises(FileExistsError):
+            tobj = tarfile.open(tmpname, self.mode)
+
+        with self.taropen(tmpname) as tobj:
+            names = tobj.getnames()
+        self.assertEqual(len(names), 1)
+        self.assertIn('spameggs42', names[0])
+
+    def test_create_taropen(self):
+        with self.taropen(tmpname, "x") as tobj:
+            tobj.add(self.file_path)
+
+        with self.taropen(tmpname) as tobj:
+            names = tobj.getnames()
+        self.assertEqual(len(names), 1)
+        self.assertIn('spameggs42', names[0])
+
+    def test_create_existing_taropen(self):
+        with self.taropen(tmpname, "x") as tobj:
+            tobj.add(self.file_path)
+
+        with self.assertRaises(FileExistsError):
+            with self.taropen(tmpname, "x"):
+                pass
+
+        with self.taropen(tmpname) as tobj:
+            names = tobj.getnames()
+        self.assertEqual(len(names), 1)
+        self.assertIn("spameggs42", names[0])
+
+
+class GzipCreateTest(GzipTest, CreateTest):
+    pass
+
+
+class Bz2CreateTest(Bz2Test, CreateTest):
+    pass
+
+
+class LzmaCreateTest(LzmaTest, CreateTest):
+    pass
+
+
+class CreateWithXModeTest(CreateTest):
+
+    prefix = "x"
+
+    test_create_taropen = None
+    test_create_existing_taropen = None
+
+
 @unittest.skipUnless(hasattr(os, "link"), "Missing hardlink implementation")
 class HardlinkTest(unittest.TestCase):
     # Test the creation of LNKTYPE (hardlink) members in an archive.
@@ -2170,6 +2266,136 @@ class Bz2PartialReadTest(Bz2Test, unittest.TestCase):
         self._test_partial_input("r:bz2")
 
 
+def root_is_uid_gid_0():
+    try:
+        import pwd, grp
+    except ImportError:
+        return False
+    if pwd.getpwuid(0)[0] != 'root':
+        return False
+    if grp.getgrgid(0)[0] != 'root':
+        return False
+    return True
+
+
+class NumericOwnerTest(unittest.TestCase):
+    # mock the following:
+    #  os.chown: so we can test what's being called
+    #  os.chmod: so the modes are not actually changed. if they are, we can't
+    #             delete the files/directories
+    #  os.geteuid: so we can lie and say we're root (uid = 0)
+
+    @staticmethod
+    def _make_test_archive(filename_1, dirname_1, filename_2):
+        # the file contents to write
+        fobj = io.BytesIO(b"content")
+
+        # create a tar file with a file, a directory, and a file within that
+        #  directory. Assign various .uid/.gid values to them
+        items = [(filename_1, 99, 98, tarfile.REGTYPE, fobj),
+                 (dirname_1,  77, 76, tarfile.DIRTYPE, None),
+                 (filename_2, 88, 87, tarfile.REGTYPE, fobj),
+                 ]
+        with tarfile.open(tmpname, 'w') as tarfl:
+            for name, uid, gid, typ, contents in items:
+                t = tarfile.TarInfo(name)
+                t.uid = uid
+                t.gid = gid
+                t.uname = 'root'
+                t.gname = 'root'
+                t.type = typ
+                tarfl.addfile(t, contents)
+
+        # return the full pathname to the tar file
+        return tmpname
+
+    @staticmethod
+    @contextmanager
+    def _setup_test(mock_geteuid):
+        mock_geteuid.return_value = 0  # lie and say we're root
+        fname = 'numeric-owner-testfile'
+        dirname = 'dir'
+
+        # the names we want stored in the tarfile
+        filename_1 = fname
+        dirname_1 = dirname
+        filename_2 = os.path.join(dirname, fname)
+
+        # create the tarfile with the contents we're after
+        tar_filename = NumericOwnerTest._make_test_archive(filename_1,
+                                                           dirname_1,
+                                                           filename_2)
+
+        # open the tarfile for reading. yield it and the names of the items
+        #  we stored into the file
+        with tarfile.open(tar_filename) as tarfl:
+            yield tarfl, filename_1, dirname_1, filename_2
+
+    @unittest.mock.patch('os.chown')
+    @unittest.mock.patch('os.chmod')
+    @unittest.mock.patch('os.geteuid')
+    def test_extract_with_numeric_owner(self, mock_geteuid, mock_chmod,
+                                        mock_chown):
+        with self._setup_test(mock_geteuid) as (tarfl, filename_1, _,
+                                                filename_2):
+            tarfl.extract(filename_1, TEMPDIR, numeric_owner=True)
+            tarfl.extract(filename_2 , TEMPDIR, numeric_owner=True)
+
+        # convert to filesystem paths
+        f_filename_1 = os.path.join(TEMPDIR, filename_1)
+        f_filename_2 = os.path.join(TEMPDIR, filename_2)
+
+        mock_chown.assert_has_calls([unittest.mock.call(f_filename_1, 99, 98),
+                                     unittest.mock.call(f_filename_2, 88, 87),
+                                     ],
+                                    any_order=True)
+
+    @unittest.mock.patch('os.chown')
+    @unittest.mock.patch('os.chmod')
+    @unittest.mock.patch('os.geteuid')
+    def test_extractall_with_numeric_owner(self, mock_geteuid, mock_chmod,
+                                           mock_chown):
+        with self._setup_test(mock_geteuid) as (tarfl, filename_1, dirname_1,
+                                                filename_2):
+            tarfl.extractall(TEMPDIR, numeric_owner=True)
+
+        # convert to filesystem paths
+        f_filename_1 = os.path.join(TEMPDIR, filename_1)
+        f_dirname_1  = os.path.join(TEMPDIR, dirname_1)
+        f_filename_2 = os.path.join(TEMPDIR, filename_2)
+
+        mock_chown.assert_has_calls([unittest.mock.call(f_filename_1, 99, 98),
+                                     unittest.mock.call(f_dirname_1, 77, 76),
+                                     unittest.mock.call(f_filename_2, 88, 87),
+                                     ],
+                                    any_order=True)
+
+    # this test requires that uid=0 and gid=0 really be named 'root'. that's
+    #  because the uname and gname in the test file are 'root', and extract()
+    #  will look them up using pwd and grp to find their uid and gid, which we
+    #  test here to be 0.
+    @unittest.skipUnless(root_is_uid_gid_0(),
+                         'uid=0,gid=0 must be named "root"')
+    @unittest.mock.patch('os.chown')
+    @unittest.mock.patch('os.chmod')
+    @unittest.mock.patch('os.geteuid')
+    def test_extract_without_numeric_owner(self, mock_geteuid, mock_chmod,
+                                           mock_chown):
+        with self._setup_test(mock_geteuid) as (tarfl, filename_1, _, _):
+            tarfl.extract(filename_1, TEMPDIR, numeric_owner=False)
+
+        # convert to filesystem paths
+        f_filename_1 = os.path.join(TEMPDIR, filename_1)
+
+        mock_chown.assert_called_with(f_filename_1, 0, 0)
+
+    @unittest.mock.patch('os.geteuid')
+    def test_keyword_only(self, mock_geteuid):
+        with self._setup_test(mock_geteuid) as (tarfl, filename_1, _, _):
+            self.assertRaises(TypeError,
+                              tarfl.extract, filename_1, TEMPDIR, False, True)
+
+
 def setUpModule():
     support.unlink(TEMPDIR)
     os.makedirs(TEMPDIR)
diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index 66e9d49..add0871 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -130,9 +130,7 @@ class TclTest(unittest.TestCase):
         self.assertRaises(TclError,tcl.unsetvar,'a')
 
     def get_integers(self):
-        integers = (0, 1, -1, 2**31-1, -2**31)
-        if tcl_version >= (8, 4):  # wideInt was added in Tcl 8.4
-            integers += (2**31, -2**31-1, 2**63-1, -2**63)
+        integers = (0, 1, -1, 2**31-1, -2**31, 2**31, -2**31-1, 2**63-1, -2**63)
         # bignum was added in Tcl 8.5, but its support is able only since 8.5.8
         if (get_tk_patchlevel() >= (8, 6, 0, 'final') or
             (8, 5, 8) <= get_tk_patchlevel() < (8, 6)):
@@ -464,6 +462,8 @@ class TclTest(unittest.TestCase):
             # XXX NaN representation can be not parsable by float()
         self.assertEqual(passValue((1, '2', (3.4,))),
                          (1, '2', (3.4,)) if self.wantobjects else '1 2 3.4')
+        self.assertEqual(passValue(['a', ['b', 'c']]),
+                         ('a', ('b', 'c')) if self.wantobjects else 'a {b c}')
 
     def test_user_command(self):
         result = None
@@ -517,6 +517,7 @@ class TclTest(unittest.TestCase):
         # XXX NaN representation can be not parsable by float()
         check((), '')
         check((1, (2,), (3, 4), '5 6', ()), '1 2 {3 4} {5 6} {}')
+        check([1, [2,], [3, 4], '5 6', []], '1 2 {3 4} {5 6} {}')
 
     def test_splitlist(self):
         splitlist = self.interp.tk.splitlist
@@ -542,12 +543,15 @@ class TclTest(unittest.TestCase):
             ('a 3.4', ('a', '3.4')),
             (('a', 3.4), ('a', 3.4)),
             ((), ()),
+            ([], ()),
+            (['a', ['b', 'c']], ('a', ['b', 'c'])),
             (call('list', 1, '2', (3.4,)),
                 (1, '2', (3.4,)) if self.wantobjects else
                 ('1', '2', '3.4')),
         ]
+        tk_patchlevel = get_tk_patchlevel()
         if tcl_version >= (8, 5):
-            if not self.wantobjects or get_tk_patchlevel() < (8, 5, 5):
+            if not self.wantobjects or tk_patchlevel < (8, 5, 5):
                 # Before 8.5.5 dicts were converted to lists through string
                 expected = ('12', '\u20ac', '\xe2\x82\xac', '3.4')
             else:
@@ -556,8 +560,11 @@ class TclTest(unittest.TestCase):
                 (call('dict', 'create', 12, '\u20ac', b'\xe2\x82\xac', (3.4,)),
                     expected),
             ]
+        dbg_info = ('want objects? %s, Tcl version: %s, Tk patchlevel: %s'
+                    % (self.wantobjects, tcl_version, tk_patchlevel))
         for arg, res in testcases:
-            self.assertEqual(splitlist(arg), res, msg=arg)
+            self.assertEqual(splitlist(arg), res,
+                             'arg=%a, %s' % (arg, dbg_info))
         self.assertRaises(TclError, splitlist, '{')
 
     def test_split(self):
@@ -589,6 +596,9 @@ class TclTest(unittest.TestCase):
             (('a', 3.4), ('a', 3.4)),
             (('a', (2, 3.4)), ('a', (2, 3.4))),
             ((), ()),
+            ([], ()),
+            (['a', 'b c'], ('a', ('b', 'c'))),
+            (['a', ['b', 'c']], ('a', ('b', 'c'))),
             (call('list', 1, '2', (3.4,)),
                 (1, '2', (3.4,)) if self.wantobjects else
                 ('1', '2', '3.4')),
diff --git a/Lib/test/test_telnetlib.py b/Lib/test/test_telnetlib.py
index ee1c357..524bba3 100644
--- a/Lib/test/test_telnetlib.py
+++ b/Lib/test/test_telnetlib.py
@@ -11,7 +11,7 @@ threading = support.import_module('threading')
 HOST = support.HOST
 
 def server(evt, serv):
-    serv.listen(5)
+    serv.listen()
     evt.set()
     try:
         conn, addr = serv.accept()
@@ -393,9 +393,5 @@ class ExpectTests(ExpectAndReadTestCase):
         self.assertEqual(data, b''.join(want[:-1]))
 
 
-def test_main(verbose=None):
-    support.run_unittest(GeneralTests, ReadTests, WriteTests, OptionTests,
-                         ExpectTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_tempfile.py b/Lib/test/test_tempfile.py
index 576cf4d..03c0daa 100644
--- a/Lib/test/test_tempfile.py
+++ b/Lib/test/test_tempfile.py
@@ -1278,8 +1278,5 @@ class TestTemporaryDirectory(BaseTestCase):
         self.assertFalse(os.path.exists(name))
 
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_textwrap.py b/Lib/test/test_textwrap.py
index 1bba77e..707aaaa 100644
--- a/Lib/test/test_textwrap.py
+++ b/Lib/test/test_textwrap.py
@@ -184,6 +184,16 @@ What a mess!
         self.check_wrap(text, 42,
                         ["this-is-a-useful-feature-for-reformatting-",
                          "posts-from-tim-peters'ly"])
+        # The test tests current behavior but is not testing parts of the API.
+        expect = ("this-|is-|a-|useful-|feature-|for-|"
+                  "reformatting-|posts-|from-|tim-|peters'ly").split('|')
+        self.check_wrap(text, 1, expect, break_long_words=False)
+        self.check_split(text, expect)
+
+        self.check_split('e-mail', ['e-mail'])
+        self.check_split('Jelly-O', ['Jelly-O'])
+        # The test tests current behavior but is not testing parts of the API.
+        self.check_split('half-a-crown', 'half-|a-|crown'.split('|'))
 
     def test_hyphenated_numbers(self):
         # Test that hyphenated numbers (eg. dates) are not broken like words.
@@ -195,6 +205,7 @@ What a mess!
                                    'released on 1994-02-15.'])
         self.check_wrap(text, 40, ['Python 1.0.0 was released on 1994-01-26.',
                                    'Python 1.0.1 was released on 1994-02-15.'])
+        self.check_wrap(text, 1, text.split(), break_long_words=False)
 
         text = "I do all my shopping at 7-11."
         self.check_wrap(text, 25, ["I do all my shopping at",
@@ -202,6 +213,7 @@ What a mess!
         self.check_wrap(text, 27, ["I do all my shopping at",
                                    "7-11."])
         self.check_wrap(text, 29, ["I do all my shopping at 7-11."])
+        self.check_wrap(text, 1, text.split(), break_long_words=False)
 
     def test_em_dash(self):
         # Test text with em-dashes
@@ -326,6 +338,10 @@ What a mess!
         self.check_split("the ['wibble-wobble'] widget",
                          ['the', ' ', "['wibble-", "wobble']", ' ', 'widget'])
 
+        # The test tests current behavior but is not testing parts of the API.
+        self.check_split("what-d'you-call-it.",
+                         "what-d'you-|call-|it.".split('|'))
+
     def test_funky_parens (self):
         # Second part of SF bug #596434: long option strings inside
         # parentheses.
diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
index 6144901..ef3059b 100644
--- a/Lib/test/test_thread.py
+++ b/Lib/test/test_thread.py
@@ -252,9 +252,5 @@ class TestForkInThread(unittest.TestCase):
             pass
 
 
-def test_main():
-    support.run_unittest(ThreadRunningTests, BarrierTest, LockTests,
-                         TestForkInThread)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_threaded_import.py b/Lib/test/test_threaded_import.py
index 4be615a..9b2d9a6 100644
--- a/Lib/test/test_threaded_import.py
+++ b/Lib/test/test_threaded_import.py
@@ -115,12 +115,18 @@ class ThreadedImportTests(unittest.TestCase):
             errors = []
             done_tasks = []
             done.clear()
+            t0 = time.monotonic()
             with start_threads(threading.Thread(target=task,
                                                 args=(N, done, done_tasks, errors,))
                                for i in range(N)):
                 pass
-            self.assertTrue(done.wait(60))
-            self.assertFalse(errors)
+            completed = done.wait(10 * 60)
+            dt = time.monotonic() - t0
+            if verbose:
+                print("%.1f ms" % (dt*1e3), flush=True, end=" ")
+            dbg_info = 'done: %s/%s' % (len(done_tasks), N)
+            self.assertFalse(errors, dbg_info)
+            self.assertTrue(completed, dbg_info)
             if verbose:
                 print("OK.")
 
diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index be7ddcc..0891834 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -1,21 +1,37 @@
 from test import support
-import time
-import unittest
+import enum
 import locale
-import sysconfig
-import sys
 import platform
+import sys
+import sysconfig
+import time
+import unittest
 try:
     import threading
 except ImportError:
     threading = None
+try:
+    import _testcapi
+except ImportError:
+    _testcapi = None
+
 
 # Max year is only limited by the size of C int.
 SIZEOF_INT = sysconfig.get_config_var('SIZEOF_INT') or 4
 TIME_MAXYEAR = (1 << 8 * SIZEOF_INT - 1) - 1
 TIME_MINYEAR = -TIME_MAXYEAR - 1
-_PyTime_ROUND_DOWN = 0
-_PyTime_ROUND_UP = 1
+
+US_TO_NS = 10 ** 3
+MS_TO_NS = 10 ** 6
+SEC_TO_NS = 10 ** 9
+
+class _PyTime(enum.IntEnum):
+    # Round towards minus infinity (-inf)
+    ROUND_FLOOR = 0
+    # Round towards infinity (+inf)
+    ROUND_CEILING = 1
+
+ALL_ROUNDING_METHODS = (_PyTime.ROUND_FLOOR, _PyTime.ROUND_CEILING)
 
 
 class TimeTestCase(unittest.TestCase):
@@ -595,112 +611,65 @@ class TestPytime(unittest.TestCase):
     def test_time_t(self):
         from _testcapi import pytime_object_to_time_t
         for obj, time_t, rnd in (
-            # Round towards zero
-            (0, 0, _PyTime_ROUND_DOWN),
-            (-1, -1, _PyTime_ROUND_DOWN),
-            (-1.0, -1, _PyTime_ROUND_DOWN),
-            (-1.9, -1, _PyTime_ROUND_DOWN),
-            (1.0, 1, _PyTime_ROUND_DOWN),
-            (1.9, 1, _PyTime_ROUND_DOWN),
-            # Round away from zero
-            (0, 0, _PyTime_ROUND_UP),
-            (-1, -1, _PyTime_ROUND_UP),
-            (-1.0, -1, _PyTime_ROUND_UP),
-            (-1.9, -2, _PyTime_ROUND_UP),
-            (1.0, 1, _PyTime_ROUND_UP),
-            (1.9, 2, _PyTime_ROUND_UP),
+            # Round towards minus infinity (-inf)
+            (0, 0, _PyTime.ROUND_FLOOR),
+            (-1, -1, _PyTime.ROUND_FLOOR),
+            (-1.0, -1, _PyTime.ROUND_FLOOR),
+            (-1.9, -2, _PyTime.ROUND_FLOOR),
+            (1.0, 1, _PyTime.ROUND_FLOOR),
+            (1.9, 1, _PyTime.ROUND_FLOOR),
+            # Round towards infinity (+inf)
+            (0, 0, _PyTime.ROUND_CEILING),
+            (-1, -1, _PyTime.ROUND_CEILING),
+            (-1.0, -1, _PyTime.ROUND_CEILING),
+            (-1.9, -1, _PyTime.ROUND_CEILING),
+            (1.0, 1, _PyTime.ROUND_CEILING),
+            (1.9, 2, _PyTime.ROUND_CEILING),
         ):
             self.assertEqual(pytime_object_to_time_t(obj, rnd), time_t)
 
-        rnd = _PyTime_ROUND_DOWN
+        rnd = _PyTime.ROUND_FLOOR
         for invalid in self.invalid_values:
             self.assertRaises(OverflowError,
                               pytime_object_to_time_t, invalid, rnd)
 
     @support.cpython_only
-    def test_timeval(self):
-        from _testcapi import pytime_object_to_timeval
-        for obj, timeval, rnd in (
-            # Round towards zero
-            (0, (0, 0), _PyTime_ROUND_DOWN),
-            (-1, (-1, 0), _PyTime_ROUND_DOWN),
-            (-1.0, (-1, 0), _PyTime_ROUND_DOWN),
-            (1e-6, (0, 1), _PyTime_ROUND_DOWN),
-            (1e-7, (0, 0), _PyTime_ROUND_DOWN),
-            (-1e-6, (-1, 999999), _PyTime_ROUND_DOWN),
-            (-1e-7, (-1, 999999), _PyTime_ROUND_DOWN),
-            (-1.2, (-2, 800000), _PyTime_ROUND_DOWN),
-            (0.9999999, (0, 999999), _PyTime_ROUND_DOWN),
-            (0.0000041, (0, 4), _PyTime_ROUND_DOWN),
-            (1.1234560, (1, 123456), _PyTime_ROUND_DOWN),
-            (1.1234569, (1, 123456), _PyTime_ROUND_DOWN),
-            (-0.0000040, (-1, 999996), _PyTime_ROUND_DOWN),
-            (-0.0000041, (-1, 999995), _PyTime_ROUND_DOWN),
-            (-1.1234560, (-2, 876544), _PyTime_ROUND_DOWN),
-            (-1.1234561, (-2, 876543), _PyTime_ROUND_DOWN),
-            # Round away from zero
-            (0, (0, 0), _PyTime_ROUND_UP),
-            (-1, (-1, 0), _PyTime_ROUND_UP),
-            (-1.0, (-1, 0), _PyTime_ROUND_UP),
-            (1e-6, (0, 1), _PyTime_ROUND_UP),
-            (1e-7, (0, 1), _PyTime_ROUND_UP),
-            (-1e-6, (-1, 999999), _PyTime_ROUND_UP),
-            (-1e-7, (-1, 999999), _PyTime_ROUND_UP),
-            (-1.2, (-2, 800000), _PyTime_ROUND_UP),
-            (0.9999999, (1, 0), _PyTime_ROUND_UP),
-            (0.0000041, (0, 5), _PyTime_ROUND_UP),
-            (1.1234560, (1, 123457), _PyTime_ROUND_UP),
-            (1.1234569, (1, 123457), _PyTime_ROUND_UP),
-            (-0.0000040, (-1, 999996), _PyTime_ROUND_UP),
-            (-0.0000041, (-1, 999995), _PyTime_ROUND_UP),
-            (-1.1234560, (-2, 876544), _PyTime_ROUND_UP),
-            (-1.1234561, (-2, 876543), _PyTime_ROUND_UP),
-        ):
-            with self.subTest(obj=obj, round=rnd, timeval=timeval):
-                self.assertEqual(pytime_object_to_timeval(obj, rnd), timeval)
-
-        rnd = _PyTime_ROUND_DOWN
-        for invalid in self.invalid_values:
-            self.assertRaises(OverflowError,
-                              pytime_object_to_timeval, invalid, rnd)
-
-    @support.cpython_only
     def test_timespec(self):
         from _testcapi import pytime_object_to_timespec
         for obj, timespec, rnd in (
-            # Round towards zero
-            (0, (0, 0), _PyTime_ROUND_DOWN),
-            (-1, (-1, 0), _PyTime_ROUND_DOWN),
-            (-1.0, (-1, 0), _PyTime_ROUND_DOWN),
-            (1e-9, (0, 1), _PyTime_ROUND_DOWN),
-            (1e-10, (0, 0), _PyTime_ROUND_DOWN),
-            (-1e-9, (-1, 999999999), _PyTime_ROUND_DOWN),
-            (-1e-10, (-1, 999999999), _PyTime_ROUND_DOWN),
-            (-1.2, (-2, 800000000), _PyTime_ROUND_DOWN),
-            (0.9999999999, (0, 999999999), _PyTime_ROUND_DOWN),
-            (1.1234567890, (1, 123456789), _PyTime_ROUND_DOWN),
-            (1.1234567899, (1, 123456789), _PyTime_ROUND_DOWN),
-            (-1.1234567890, (-2, 876543211), _PyTime_ROUND_DOWN),
-            (-1.1234567891, (-2, 876543210), _PyTime_ROUND_DOWN),
-            # Round away from zero
-            (0, (0, 0), _PyTime_ROUND_UP),
-            (-1, (-1, 0), _PyTime_ROUND_UP),
-            (-1.0, (-1, 0), _PyTime_ROUND_UP),
-            (1e-9, (0, 1), _PyTime_ROUND_UP),
-            (1e-10, (0, 1), _PyTime_ROUND_UP),
-            (-1e-9, (-1, 999999999), _PyTime_ROUND_UP),
-            (-1e-10, (-1, 999999999), _PyTime_ROUND_UP),
-            (-1.2, (-2, 800000000), _PyTime_ROUND_UP),
-            (0.9999999999, (1, 0), _PyTime_ROUND_UP),
-            (1.1234567890, (1, 123456790), _PyTime_ROUND_UP),
-            (1.1234567899, (1, 123456790), _PyTime_ROUND_UP),
-            (-1.1234567890, (-2, 876543211), _PyTime_ROUND_UP),
-            (-1.1234567891, (-2, 876543210), _PyTime_ROUND_UP),
+            # Round towards minus infinity (-inf)
+            (0, (0, 0), _PyTime.ROUND_FLOOR),
+            (-1, (-1, 0), _PyTime.ROUND_FLOOR),
+            (-1.0, (-1, 0), _PyTime.ROUND_FLOOR),
+            (1e-9, (0, 1), _PyTime.ROUND_FLOOR),
+            (1e-10, (0, 0), _PyTime.ROUND_FLOOR),
+            (-1e-9, (-1, 999999999), _PyTime.ROUND_FLOOR),
+            (-1e-10, (-1, 999999999), _PyTime.ROUND_FLOOR),
+            (-1.2, (-2, 800000000), _PyTime.ROUND_FLOOR),
+            (0.9999999999, (0, 999999999), _PyTime.ROUND_FLOOR),
+            (1.1234567890, (1, 123456789), _PyTime.ROUND_FLOOR),
+            (1.1234567899, (1, 123456789), _PyTime.ROUND_FLOOR),
+            (-1.1234567890, (-2, 876543211), _PyTime.ROUND_FLOOR),
+            (-1.1234567891, (-2, 876543210), _PyTime.ROUND_FLOOR),
+            # Round towards infinity (+inf)
+            (0, (0, 0), _PyTime.ROUND_CEILING),
+            (-1, (-1, 0), _PyTime.ROUND_CEILING),
+            (-1.0, (-1, 0), _PyTime.ROUND_CEILING),
+            (1e-9, (0, 1), _PyTime.ROUND_CEILING),
+            (1e-10, (0, 1), _PyTime.ROUND_CEILING),
+            (-1e-9, (-1, 999999999), _PyTime.ROUND_CEILING),
+            (-1e-10, (0, 0), _PyTime.ROUND_CEILING),
+            (-1.2, (-2, 800000000), _PyTime.ROUND_CEILING),
+            (0.9999999999, (1, 0), _PyTime.ROUND_CEILING),
+            (1.1234567890, (1, 123456790), _PyTime.ROUND_CEILING),
+            (1.1234567899, (1, 123456790), _PyTime.ROUND_CEILING),
+            (-1.1234567890, (-2, 876543211), _PyTime.ROUND_CEILING),
+            (-1.1234567891, (-2, 876543211), _PyTime.ROUND_CEILING),
         ):
             with self.subTest(obj=obj, round=rnd, timespec=timespec):
                 self.assertEqual(pytime_object_to_timespec(obj, rnd), timespec)
 
-        rnd = _PyTime_ROUND_DOWN
+        rnd = _PyTime.ROUND_FLOOR
         for invalid in self.invalid_values:
             self.assertRaises(OverflowError,
                               pytime_object_to_timespec, invalid, rnd)
@@ -759,5 +728,267 @@ class TestPytime(unittest.TestCase):
         self.assertIs(lt.tm_zone, None)
 
 
+@unittest.skipUnless(_testcapi is not None,
+                     'need the _testcapi module')
+class TestPyTime_t(unittest.TestCase):
+    def test_FromSeconds(self):
+        from _testcapi import PyTime_FromSeconds
+        for seconds in (0, 3, -456, _testcapi.INT_MAX, _testcapi.INT_MIN):
+            with self.subTest(seconds=seconds):
+                self.assertEqual(PyTime_FromSeconds(seconds),
+                                 seconds * SEC_TO_NS)
+
+    def test_FromSecondsObject(self):
+        from _testcapi import PyTime_FromSecondsObject
+
+        # Conversion giving the same result for all rounding methods
+        for rnd in ALL_ROUNDING_METHODS:
+            for obj, ts in (
+                # integers
+                (0, 0),
+                (1, SEC_TO_NS),
+                (-3, -3 * SEC_TO_NS),
+
+                # float: subseconds
+                (0.0, 0),
+                (1e-9, 1),
+                (1e-6, 10 ** 3),
+                (1e-3, 10 ** 6),
+
+                # float: seconds
+                (2.0, 2 * SEC_TO_NS),
+                (123.0, 123 * SEC_TO_NS),
+                (-7.0, -7 * SEC_TO_NS),
+
+                # nanosecond are kept for value <= 2^23 seconds
+                (2**22 - 1e-9,  4194303999999999),
+                (2**22,         4194304000000000),
+                (2**22 + 1e-9,  4194304000000001),
+                (2**23 - 1e-9,  8388607999999999),
+                (2**23,         8388608000000000),
+
+                # start loosing precision for value > 2^23 seconds
+                (2**23 + 1e-9,  8388608000000002),
+
+                # nanoseconds are lost for value > 2^23 seconds
+                (2**24 - 1e-9, 16777215999999998),
+                (2**24,        16777216000000000),
+                (2**24 + 1e-9, 16777216000000000),
+                (2**25 - 1e-9, 33554432000000000),
+                (2**25       , 33554432000000000),
+                (2**25 + 1e-9, 33554432000000000),
+
+                # close to 2^63 nanoseconds (_PyTime_t limit)
+                (9223372036, 9223372036 * SEC_TO_NS),
+                (9223372036.0, 9223372036 * SEC_TO_NS),
+                (-9223372036, -9223372036 * SEC_TO_NS),
+                (-9223372036.0, -9223372036 * SEC_TO_NS),
+            ):
+                with self.subTest(obj=obj, round=rnd, timestamp=ts):
+                    self.assertEqual(PyTime_FromSecondsObject(obj, rnd), ts)
+
+            with self.subTest(round=rnd):
+                with self.assertRaises(OverflowError):
+                    PyTime_FromSecondsObject(9223372037, rnd)
+                    PyTime_FromSecondsObject(9223372037.0, rnd)
+                    PyTime_FromSecondsObject(-9223372037, rnd)
+                    PyTime_FromSecondsObject(-9223372037.0, rnd)
+
+        # Conversion giving different results depending on the rounding method
+        FLOOR = _PyTime.ROUND_FLOOR
+        CEILING = _PyTime.ROUND_CEILING
+        for obj, ts, rnd in (
+            # close to zero
+            ( 1e-10,  0, FLOOR),
+            ( 1e-10,  1, CEILING),
+            (-1e-10, -1, FLOOR),
+            (-1e-10,  0, CEILING),
+
+            # test rounding of the last nanosecond
+            ( 1.1234567899,  1123456789, FLOOR),
+            ( 1.1234567899,  1123456790, CEILING),
+            (-1.1234567899, -1123456790, FLOOR),
+            (-1.1234567899, -1123456789, CEILING),
+
+            # close to 1 second
+            ( 0.9999999999,   999999999, FLOOR),
+            ( 0.9999999999,  1000000000, CEILING),
+            (-0.9999999999, -1000000000, FLOOR),
+            (-0.9999999999,  -999999999, CEILING),
+        ):
+            with self.subTest(obj=obj, round=rnd, timestamp=ts):
+                self.assertEqual(PyTime_FromSecondsObject(obj, rnd), ts)
+
+    def test_AsSecondsDouble(self):
+        from _testcapi import PyTime_AsSecondsDouble
+
+        for nanoseconds, seconds in (
+            # near 1 nanosecond
+            ( 0,  0.0),
+            ( 1,  1e-9),
+            (-1, -1e-9),
+
+            # near 1 second
+            (SEC_TO_NS + 1, 1.0 + 1e-9),
+            (SEC_TO_NS,     1.0),
+            (SEC_TO_NS - 1, 1.0 - 1e-9),
+
+            # a few seconds
+            (123 * SEC_TO_NS, 123.0),
+            (-567 * SEC_TO_NS, -567.0),
+
+            # nanosecond are kept for value <= 2^23 seconds
+            (4194303999999999, 2**22 - 1e-9),
+            (4194304000000000, 2**22),
+            (4194304000000001, 2**22 + 1e-9),
+
+            # start loosing precision for value > 2^23 seconds
+            (8388608000000002, 2**23 + 1e-9),
+
+            # nanoseconds are lost for value > 2^23 seconds
+            (16777215999999998, 2**24 - 1e-9),
+            (16777215999999999, 2**24 - 1e-9),
+            (16777216000000000, 2**24       ),
+            (16777216000000001, 2**24       ),
+            (16777216000000002, 2**24 + 2e-9),
+
+            (33554432000000000, 2**25       ),
+            (33554432000000002, 2**25       ),
+            (33554432000000004, 2**25 + 4e-9),
+
+            # close to 2^63 nanoseconds (_PyTime_t limit)
+            (9223372036 * SEC_TO_NS, 9223372036.0),
+            (-9223372036 * SEC_TO_NS, -9223372036.0),
+        ):
+            with self.subTest(nanoseconds=nanoseconds, seconds=seconds):
+                self.assertEqual(PyTime_AsSecondsDouble(nanoseconds),
+                                 seconds)
+
+    def test_timeval(self):
+        from _testcapi import PyTime_AsTimeval
+        for rnd in ALL_ROUNDING_METHODS:
+            for ns, tv in (
+                # microseconds
+                (0, (0, 0)),
+                (1000, (0, 1)),
+                (-1000, (-1, 999999)),
+
+                # seconds
+                (2 * SEC_TO_NS, (2, 0)),
+                (-3 * SEC_TO_NS, (-3, 0)),
+            ):
+                with self.subTest(nanoseconds=ns, timeval=tv, round=rnd):
+                    self.assertEqual(PyTime_AsTimeval(ns, rnd), tv)
+
+        FLOOR = _PyTime.ROUND_FLOOR
+        CEILING = _PyTime.ROUND_CEILING
+        for ns, tv, rnd in (
+            # nanoseconds
+            (1, (0, 0), FLOOR),
+            (1, (0, 1), CEILING),
+            (-1, (-1, 999999), FLOOR),
+            (-1, (0, 0), CEILING),
+
+            # seconds + nanoseconds
+            (1234567001, (1, 234567), FLOOR),
+            (1234567001, (1, 234568), CEILING),
+            (-1234567001, (-2, 765432), FLOOR),
+            (-1234567001, (-2, 765433), CEILING),
+        ):
+            with self.subTest(nanoseconds=ns, timeval=tv, round=rnd):
+                self.assertEqual(PyTime_AsTimeval(ns, rnd), tv)
+
+    @unittest.skipUnless(hasattr(_testcapi, 'PyTime_AsTimespec'),
+                         'need _testcapi.PyTime_AsTimespec')
+    def test_timespec(self):
+        from _testcapi import PyTime_AsTimespec
+        for ns, ts in (
+            # nanoseconds
+            (0, (0, 0)),
+            (1, (0, 1)),
+            (-1, (-1, 999999999)),
+
+            # seconds
+            (2 * SEC_TO_NS, (2, 0)),
+            (-3 * SEC_TO_NS, (-3, 0)),
+
+            # seconds + nanoseconds
+            (1234567890, (1, 234567890)),
+            (-1234567890, (-2, 765432110)),
+        ):
+            with self.subTest(nanoseconds=ns, timespec=ts):
+                self.assertEqual(PyTime_AsTimespec(ns), ts)
+
+    def test_milliseconds(self):
+        from _testcapi import PyTime_AsMilliseconds
+        for rnd in ALL_ROUNDING_METHODS:
+            for ns, tv in (
+                # milliseconds
+                (1 * MS_TO_NS, 1),
+                (-2 * MS_TO_NS, -2),
+
+                # seconds
+                (2 * SEC_TO_NS, 2000),
+                (-3 * SEC_TO_NS, -3000),
+            ):
+                with self.subTest(nanoseconds=ns, timeval=tv, round=rnd):
+                    self.assertEqual(PyTime_AsMilliseconds(ns, rnd), tv)
+
+        FLOOR = _PyTime.ROUND_FLOOR
+        CEILING = _PyTime.ROUND_CEILING
+        for ns, ms, rnd in (
+            # nanoseconds
+            (1, 0, FLOOR),
+            (1, 1, CEILING),
+            (-1, 0, FLOOR),
+            (-1, -1, CEILING),
+
+            # seconds + nanoseconds
+            (1234 * MS_TO_NS + 1, 1234, FLOOR),
+            (1234 * MS_TO_NS + 1, 1235, CEILING),
+            (-1234 * MS_TO_NS - 1, -1234, FLOOR),
+            (-1234 * MS_TO_NS - 1, -1235, CEILING),
+        ):
+            with self.subTest(nanoseconds=ns, milliseconds=ms, round=rnd):
+                self.assertEqual(PyTime_AsMilliseconds(ns, rnd), ms)
+
+    def test_microseconds(self):
+        from _testcapi import PyTime_AsMicroseconds
+        for rnd in ALL_ROUNDING_METHODS:
+            for ns, tv in (
+                # microseconds
+                (1 * US_TO_NS, 1),
+                (-2 * US_TO_NS, -2),
+
+                # milliseconds
+                (1 * MS_TO_NS, 1000),
+                (-2 * MS_TO_NS, -2000),
+
+                # seconds
+                (2 * SEC_TO_NS, 2000000),
+                (-3 * SEC_TO_NS, -3000000),
+            ):
+                with self.subTest(nanoseconds=ns, timeval=tv, round=rnd):
+                    self.assertEqual(PyTime_AsMicroseconds(ns, rnd), tv)
+
+        FLOOR = _PyTime.ROUND_FLOOR
+        CEILING = _PyTime.ROUND_CEILING
+        for ns, ms, rnd in (
+            # nanoseconds
+            (1, 0, FLOOR),
+            (1, 1, CEILING),
+            (-1, 0, FLOOR),
+            (-1, -1, CEILING),
+
+            # seconds + nanoseconds
+            (1234 * US_TO_NS + 1, 1234, FLOOR),
+            (1234 * US_TO_NS + 1, 1235, CEILING),
+            (-1234 * US_TO_NS - 1, -1234, FLOOR),
+            (-1234 * US_TO_NS - 1, -1235, CEILING),
+        ):
+            with self.subTest(nanoseconds=ns, milliseconds=ms, round=rnd):
+                self.assertEqual(PyTime_AsMicroseconds(ns, rnd), ms)
+
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_timeit.py b/Lib/test/test_timeit.py
index 09e76e0..83c93f7 100644
--- a/Lib/test/test_timeit.py
+++ b/Lib/test/test_timeit.py
@@ -5,7 +5,6 @@ import io
 import time
 from textwrap import dedent
 
-from test.support import run_unittest
 from test.support import captured_stdout
 from test.support import captured_stderr
 
@@ -98,9 +97,10 @@ class TestTimeit(unittest.TestCase):
     def fake_callable_stmt(self):
         self.fake_timer.inc()
 
-    def timeit(self, stmt, setup, number=None):
+    def timeit(self, stmt, setup, number=None, globals=None):
         self.fake_timer = FakeTimer()
-        t = timeit.Timer(stmt=stmt, setup=setup, timer=self.fake_timer)
+        t = timeit.Timer(stmt=stmt, setup=setup, timer=self.fake_timer,
+                globals=globals)
         kwargs = {}
         if number is None:
             number = DEFAULT_NUMBER
@@ -139,6 +139,17 @@ class TestTimeit(unittest.TestCase):
                 timer=FakeTimer())
         self.assertEqual(delta_time, 0)
 
+    def test_timeit_globals_args(self):
+        global _global_timer
+        _global_timer = FakeTimer()
+        t = timeit.Timer(stmt='_global_timer.inc()', timer=_global_timer)
+        self.assertRaises(NameError, t.timeit, number=3)
+        timeit.timeit(stmt='_global_timer.inc()', timer=_global_timer,
+                      globals=globals(), number=3)
+        local_timer = FakeTimer()
+        timeit.timeit(stmt='local_timer.inc()', timer=local_timer,
+                      globals=locals(), number=3)
+
     def repeat(self, stmt, setup, repeat=None, number=None):
         self.fake_timer = FakeTimer()
         t = timeit.Timer(stmt=stmt, setup=setup, timer=self.fake_timer)
@@ -300,6 +311,26 @@ class TestTimeit(unittest.TestCase):
                 10000 loops, best of 3: 50 usec per loop
             """))
 
+    def test_main_with_time_unit(self):
+        unit_sec = self.run_main(seconds_per_increment=0.002,
+                switches=['-u', 'sec'])
+        self.assertEqual(unit_sec,
+                "1000 loops, best of 3: 0.002 sec per loop\n")
+        unit_msec = self.run_main(seconds_per_increment=0.002,
+                switches=['-u', 'msec'])
+        self.assertEqual(unit_msec,
+                "1000 loops, best of 3: 2 msec per loop\n")
+        unit_usec = self.run_main(seconds_per_increment=0.002,
+                switches=['-u', 'usec'])
+        self.assertEqual(unit_usec,
+                "1000 loops, best of 3: 2e+03 usec per loop\n")
+        # Test invalid unit input
+        with captured_stderr() as error_stringio:
+            invalid = self.run_main(seconds_per_increment=0.002,
+                    switches=['-u', 'parsec'])
+        self.assertEqual(error_stringio.getvalue(),
+                    "Unrecognized unit. Please select usec, msec, or sec.\n")
+
     def test_main_exception(self):
         with captured_stderr() as error_stringio:
             s = self.run_main(switches=['1/0'])
@@ -311,8 +342,5 @@ class TestTimeit(unittest.TestCase):
         self.assert_exc_string(error_stringio.getvalue(), 'ZeroDivisionError')
 
 
-def test_main():
-    run_unittest(TestTimeit)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_timeout.py b/Lib/test/test_timeout.py
index 703c43a..3c75dcc 100644
--- a/Lib/test/test_timeout.py
+++ b/Lib/test/test_timeout.py
@@ -243,14 +243,14 @@ class TCPTimeoutTestCase(TimeoutTestCase):
     def testAcceptTimeout(self):
         # Test accept() timeout
         support.bind_port(self.sock, self.localhost)
-        self.sock.listen(5)
+        self.sock.listen()
         self._sock_operation(1, 1.5, 'accept')
 
     def testSend(self):
         # Test send() timeout
         with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as serv:
             support.bind_port(serv, self.localhost)
-            serv.listen(5)
+            serv.listen()
             self.sock.connect(serv.getsockname())
             # Send a lot of data in order to bypass buffering in the TCP stack.
             self._sock_operation(100, 1.5, 'send', b"X" * 200000)
@@ -259,7 +259,7 @@ class TCPTimeoutTestCase(TimeoutTestCase):
         # Test sendto() timeout
         with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as serv:
             support.bind_port(serv, self.localhost)
-            serv.listen(5)
+            serv.listen()
             self.sock.connect(serv.getsockname())
             # The address argument is ignored since we already connected.
             self._sock_operation(100, 1.5, 'sendto', b"X" * 200000,
@@ -269,7 +269,7 @@ class TCPTimeoutTestCase(TimeoutTestCase):
         # Test sendall() timeout
         with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as serv:
             support.bind_port(serv, self.localhost)
-            serv.listen(5)
+            serv.listen()
             self.sock.connect(serv.getsockname())
             # Send a lot of data in order to bypass buffering in the TCP stack.
             self._sock_operation(100, 1.5, 'sendall', b"X" * 200000)
diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py
index 4a8be3b..03f6148 100644
--- a/Lib/test/test_tokenize.py
+++ b/Lib/test/test_tokenize.py
@@ -464,7 +464,7 @@ Additive
 
 Multiplicative
 
-    >>> dump_tokens("x = 1//1*1/5*12%0x12")
+    >>> dump_tokens("x = 1//1*1/5*12%0x12@42")
     ENCODING   'utf-8'       (0, 0) (0, 0)
     NAME       'x'           (1, 0) (1, 1)
     OP         '='           (1, 2) (1, 3)
@@ -479,6 +479,8 @@ Multiplicative
     NUMBER     '12'          (1, 13) (1, 15)
     OP         '%'           (1, 15) (1, 16)
     NUMBER     '0x12'        (1, 16) (1, 20)
+    OP         '@'           (1, 20) (1, 21)
+    NUMBER     '42'          (1, 21) (1, 23)
 
 Unary
 
@@ -1155,6 +1157,7 @@ class TestTokenize(TestCase):
         self.assertExactTypeEqual('//', token.DOUBLESLASH)
         self.assertExactTypeEqual('//=', token.DOUBLESLASHEQUAL)
         self.assertExactTypeEqual('@', token.AT)
+        self.assertExactTypeEqual('@=', token.ATEQUAL)
 
         self.assertExactTypeEqual('a**2+b**2==c**2',
                                   NAME, token.DOUBLESTAR, NUMBER,
diff --git a/Lib/test/test_tools/test_i18n.py b/Lib/test/test_tools/test_i18n.py
new file mode 100644
index 0000000..e88e2b1
--- /dev/null
+++ b/Lib/test/test_tools/test_i18n.py
@@ -0,0 +1,68 @@
+"""Tests to cover the Tools/i18n package"""
+
+import os
+import unittest
+
+from test.script_helper import assert_python_ok
+from test.test_tools import toolsdir
+from test.support import temp_cwd
+
+class Test_pygettext(unittest.TestCase):
+    """Tests for the pygettext.py tool"""
+
+    script = os.path.join(toolsdir,'i18n', 'pygettext.py')
+
+    def get_header(self, data):
+        """ utility: return the header of a .po file as a dictionary """
+        headers = {}
+        for line in data.split('\n'):
+            if not line or line.startswith(('#', 'msgid','msgstr')):
+                continue
+            line = line.strip('"')
+            key, val = line.split(':',1)
+            headers[key] = val.strip()
+        return headers
+
+    def test_header(self):
+        """Make sure the required fields are in the header, according to:
+           http://www.gnu.org/software/gettext/manual/gettext.html#Header-Entry
+        """
+        with temp_cwd(None) as cwd:
+            assert_python_ok(self.script)
+            with open('messages.pot') as fp:
+                data = fp.read()
+            header = self.get_header(data)
+
+            self.assertIn("Project-Id-Version", header)
+            self.assertIn("POT-Creation-Date", header)
+            self.assertIn("PO-Revision-Date", header)
+            self.assertIn("Last-Translator", header)
+            self.assertIn("Language-Team", header)
+            self.assertIn("MIME-Version", header)
+            self.assertIn("Content-Type", header)
+            self.assertIn("Content-Transfer-Encoding", header)
+            self.assertIn("Generated-By", header)
+
+            # not clear if these should be required in POT (template) files
+            #self.assertIn("Report-Msgid-Bugs-To", header)
+            #self.assertIn("Language", header)
+
+            #"Plural-Forms" is optional
+
+
+    def test_POT_Creation_Date(self):
+        """ Match the date format from xgettext for POT-Creation-Date """
+        from datetime import datetime
+        with temp_cwd(None) as cwd:
+            assert_python_ok(self.script)
+            with open('messages.pot') as fp:
+                data = fp.read()
+            header = self.get_header(data)
+            creationDate = header['POT-Creation-Date']
+
+            # peel off the escaped newline at the end of string
+            if creationDate.endswith('\\n'):
+                creationDate = creationDate[:-len('\\n')]
+
+            # This will raise if the date format does not exactly match.
+            datetime.strptime(creationDate, '%Y-%m-%d %H:%M%z')
diff --git a/Lib/test/test_trace.py b/Lib/test/test_trace.py
index 1cec710..2f2c584 100644
--- a/Lib/test/test_trace.py
+++ b/Lib/test/test_trace.py
@@ -10,12 +10,11 @@ from trace import CoverageResults, Trace
 
 from test.tracedmodules import testmod
 
-
 #------------------------------- Utilities -----------------------------------#
 
 def fix_ext_py(filename):
-    """Given a .pyc/.pyo filename converts it to the appropriate .py"""
-    if filename.endswith(('.pyc', '.pyo')):
+    """Given a .pyc filename converts it to the appropriate .py"""
+    if filename.endswith('.pyc'):
         filename = filename[:-1]
     return filename
 
@@ -224,6 +223,11 @@ class TestFuncs(unittest.TestCase):
         self.addCleanup(sys.settrace, sys.gettrace())
         self.tracer = Trace(count=0, trace=0, countfuncs=1)
         self.filemod = my_file_and_modname()
+        self._saved_tracefunc = sys.gettrace()
+
+    def tearDown(self):
+        if self._saved_tracefunc is not None:
+            sys.settrace(self._saved_tracefunc)
 
     def test_simple_caller(self):
         self.tracer.runfunc(traced_func_simple_caller, 1)
diff --git a/Lib/test/test_traceback.py b/Lib/test/test_traceback.py
index c295563..2fa85f5 100644
--- a/Lib/test/test_traceback.py
+++ b/Lib/test/test_traceback.py
@@ -1,15 +1,23 @@
 """Test cases for traceback module"""
 
+from collections import namedtuple
 from io import StringIO
+import linecache
 import sys
 import unittest
 import re
-from test.support import run_unittest, Error, captured_output
-from test.support import TESTFN, unlink, cpython_only
+from test.support import TESTFN, Error, captured_output, unlink, cpython_only
+from test.script_helper import assert_python_ok
+import textwrap
 
 import traceback
 
 
+test_code = namedtuple('code', ['co_filename', 'co_name'])
+test_frame = namedtuple('frame', ['f_code', 'f_globals', 'f_locals'])
+test_tb = namedtuple('tb', ['tb_frame', 'tb_lineno', 'tb_next'])
+
+
 class SyntaxTracebackCases(unittest.TestCase):
     # For now, a very minimal set of tests.  I want to be sure that
     # formatting of SyntaxErrors works based on changes for 2.1.
@@ -92,9 +100,9 @@ class SyntaxTracebackCases(unittest.TestCase):
         self.assertEqual(len(err), 1)
         str_value = '<unprintable %s object>' % X.__name__
         if X.__module__ in ('__main__', 'builtins'):
-            str_name = X.__name__
+            str_name = X.__qualname__
         else:
-            str_name = '.'.join([X.__module__, X.__name__])
+            str_name = '.'.join([X.__module__, X.__qualname__])
         self.assertEqual(err[0], "%s: %s\n" % (str_name, str_value))
 
     def test_without_exception(self):
@@ -169,6 +177,37 @@ class SyntaxTracebackCases(unittest.TestCase):
         # Issue #18960: coding spec should has no effect
         do_test("0\n# coding: GBK\n", "h\xe9 ho", 'utf-8', 5)
 
+    def test_print_traceback_at_exit(self):
+        # Issue #22599: Ensure that it is possible to use the traceback module
+        # to display an exception at Python exit
+        code = textwrap.dedent("""
+            import sys
+            import traceback
+
+            class PrintExceptionAtExit(object):
+                def __init__(self):
+                    try:
+                        x = 1 / 0
+                    except Exception:
+                        self.exc_info = sys.exc_info()
+                        # self.exc_info[1] (traceback) contains frames:
+                        # explicitly clear the reference to self in the current
+                        # frame to break a reference cycle
+                        self = None
+
+                def __del__(self):
+                    traceback.print_exception(*self.exc_info)
+
+            # Keep a reference in the module namespace to call the destructor
+            # when the module is unloaded
+            obj = PrintExceptionAtExit()
+        """)
+        rc, stdout, stderr = assert_python_ok('-c', code)
+        expected = [b'Traceback (most recent call last):',
+                    b'  File "<string>", line 8, in __init__',
+                    b'ZeroDivisionError: division by zero']
+        self.assertEqual(stderr.splitlines(), expected)
+
 
 class TracebackFormatTests(unittest.TestCase):
 
@@ -444,8 +483,266 @@ class MiscTracebackCases(unittest.TestCase):
         self.assertEqual(len(inner_frame.f_locals), 0)
 
 
-def test_main():
-    run_unittest(__name__)
+class TestFrame(unittest.TestCase):
+
+    def test_basics(self):
+        linecache.clearcache()
+        linecache.lazycache("f", globals())
+        f = traceback.FrameSummary("f", 1, "dummy")
+        self.assertEqual(
+            ("f", 1, "dummy", '"""Test cases for traceback module"""'),
+            tuple(f))
+        self.assertEqual(None, f.locals)
+
+    def test_lazy_lines(self):
+        linecache.clearcache()
+        f = traceback.FrameSummary("f", 1, "dummy", lookup_line=False)
+        self.assertEqual(None, f._line)
+        linecache.lazycache("f", globals())
+        self.assertEqual(
+            '"""Test cases for traceback module"""',
+            f.line)
+
+    def test_explicit_line(self):
+        f = traceback.FrameSummary("f", 1, "dummy", line="line")
+        self.assertEqual("line", f.line)
+
+
+class TestStack(unittest.TestCase):
+
+    def test_walk_stack(self):
+        s = list(traceback.walk_stack(None))
+        self.assertGreater(len(s), 10)
+
+    def test_walk_tb(self):
+        try:
+            1/0
+        except Exception:
+            _, _, tb = sys.exc_info()
+        s = list(traceback.walk_tb(tb))
+        self.assertEqual(len(s), 1)
+
+    def test_extract_stack(self):
+        s = traceback.StackSummary.extract(traceback.walk_stack(None))
+        self.assertIsInstance(s, traceback.StackSummary)
+
+    def test_extract_stack_limit(self):
+        s = traceback.StackSummary.extract(traceback.walk_stack(None), limit=5)
+        self.assertEqual(len(s), 5)
+
+    def test_extract_stack_lookup_lines(self):
+        linecache.clearcache()
+        linecache.updatecache('/foo.py', globals())
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, None, None)
+        s = traceback.StackSummary.extract(iter([(f, 6)]), lookup_lines=True)
+        linecache.clearcache()
+        self.assertEqual(s[0].line, "import sys")
+
+    def test_extract_stackup_deferred_lookup_lines(self):
+        linecache.clearcache()
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, None, None)
+        s = traceback.StackSummary.extract(iter([(f, 6)]), lookup_lines=False)
+        self.assertEqual({}, linecache.cache)
+        linecache.updatecache('/foo.py', globals())
+        self.assertEqual(s[0].line, "import sys")
+
+    def test_from_list(self):
+        s = traceback.StackSummary.from_list([('foo.py', 1, 'fred', 'line')])
+        self.assertEqual(
+            ['  File "foo.py", line 1, in fred\n    line\n'],
+            s.format())
+
+    def test_from_list_edited_stack(self):
+        s = traceback.StackSummary.from_list([('foo.py', 1, 'fred', 'line')])
+        s[0] = ('foo.py', 2, 'fred', 'line')
+        s2 = traceback.StackSummary.from_list(s)
+        self.assertEqual(
+            ['  File "foo.py", line 2, in fred\n    line\n'],
+            s2.format())
+
+    def test_format_smoke(self):
+        # For detailed tests see the format_list tests, which consume the same
+        # code.
+        s = traceback.StackSummary.from_list([('foo.py', 1, 'fred', 'line')])
+        self.assertEqual(
+            ['  File "foo.py", line 1, in fred\n    line\n'],
+            s.format())
+
+    def test_locals(self):
+        linecache.updatecache('/foo.py', globals())
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, globals(), {'something': 1})
+        s = traceback.StackSummary.extract(iter([(f, 6)]), capture_locals=True)
+        self.assertEqual(s[0].locals, {'something': '1'})
+
+    def test_no_locals(self):
+        linecache.updatecache('/foo.py', globals())
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, globals(), {'something': 1})
+        s = traceback.StackSummary.extract(iter([(f, 6)]))
+        self.assertEqual(s[0].locals, None)
+
+    def test_format_locals(self):
+        def some_inner(k, v):
+            a = 1
+            b = 2
+            return traceback.StackSummary.extract(
+                traceback.walk_stack(None), capture_locals=True, limit=1)
+        s = some_inner(3, 4)
+        self.assertEqual(
+            ['  File "' + __file__ + '", line 592, '
+             'in some_inner\n'
+             '    traceback.walk_stack(None), capture_locals=True, limit=1)\n'
+             '    a = 1\n'
+             '    b = 2\n'
+             '    k = 3\n'
+             '    v = 4\n'
+            ], s.format())
+
+
+class TestTracebackException(unittest.TestCase):
+
+    def test_smoke(self):
+        try:
+            1/0
+        except Exception:
+            exc_info = sys.exc_info()
+            exc = traceback.TracebackException(*exc_info)
+            expected_stack = traceback.StackSummary.extract(
+                traceback.walk_tb(exc_info[2]))
+        self.assertEqual(None, exc.__cause__)
+        self.assertEqual(None, exc.__context__)
+        self.assertEqual(False, exc.__suppress_context__)
+        self.assertEqual(expected_stack, exc.stack)
+        self.assertEqual(exc_info[0], exc.exc_type)
+        self.assertEqual(str(exc_info[1]), str(exc))
+
+    def test_from_exception(self):
+        # Check all the parameters are accepted.
+        def foo():
+            1/0
+        try:
+            foo()
+        except Exception as e:
+            exc_info = sys.exc_info()
+            self.expected_stack = traceback.StackSummary.extract(
+                traceback.walk_tb(exc_info[2]), limit=1, lookup_lines=False,
+                capture_locals=True)
+            self.exc = traceback.TracebackException.from_exception(
+                e, limit=1, lookup_lines=False, capture_locals=True)
+        expected_stack = self.expected_stack
+        exc = self.exc
+        self.assertEqual(None, exc.__cause__)
+        self.assertEqual(None, exc.__context__)
+        self.assertEqual(False, exc.__suppress_context__)
+        self.assertEqual(expected_stack, exc.stack)
+        self.assertEqual(exc_info[0], exc.exc_type)
+        self.assertEqual(str(exc_info[1]), str(exc))
+
+    def test_cause(self):
+        try:
+            try:
+                1/0
+            finally:
+                exc_info_context = sys.exc_info()
+                exc_context = traceback.TracebackException(*exc_info_context)
+                cause = Exception("cause")
+                raise Exception("uh oh") from cause
+        except Exception:
+            exc_info = sys.exc_info()
+            exc = traceback.TracebackException(*exc_info)
+            expected_stack = traceback.StackSummary.extract(
+                traceback.walk_tb(exc_info[2]))
+        exc_cause = traceback.TracebackException(Exception, cause, None)
+        self.assertEqual(exc_cause, exc.__cause__)
+        self.assertEqual(exc_context, exc.__context__)
+        self.assertEqual(True, exc.__suppress_context__)
+        self.assertEqual(expected_stack, exc.stack)
+        self.assertEqual(exc_info[0], exc.exc_type)
+        self.assertEqual(str(exc_info[1]), str(exc))
+
+    def test_context(self):
+        try:
+            try:
+                1/0
+            finally:
+                exc_info_context = sys.exc_info()
+                exc_context = traceback.TracebackException(*exc_info_context)
+                raise Exception("uh oh")
+        except Exception:
+            exc_info = sys.exc_info()
+            exc = traceback.TracebackException(*exc_info)
+            expected_stack = traceback.StackSummary.extract(
+                traceback.walk_tb(exc_info[2]))
+        self.assertEqual(None, exc.__cause__)
+        self.assertEqual(exc_context, exc.__context__)
+        self.assertEqual(False, exc.__suppress_context__)
+        self.assertEqual(expected_stack, exc.stack)
+        self.assertEqual(exc_info[0], exc.exc_type)
+        self.assertEqual(str(exc_info[1]), str(exc))
+
+    def test_limit(self):
+        def recurse(n):
+            if n:
+                recurse(n-1)
+            else:
+                1/0
+        try:
+            recurse(10)
+        except Exception:
+            exc_info = sys.exc_info()
+            exc = traceback.TracebackException(*exc_info, limit=5)
+            expected_stack = traceback.StackSummary.extract(
+                traceback.walk_tb(exc_info[2]), limit=5)
+        self.assertEqual(expected_stack, exc.stack)
+
+    def test_lookup_lines(self):
+        linecache.clearcache()
+        e = Exception("uh oh")
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, None, None)
+        tb = test_tb(f, 6, None)
+        exc = traceback.TracebackException(Exception, e, tb, lookup_lines=False)
+        self.assertEqual({}, linecache.cache)
+        linecache.updatecache('/foo.py', globals())
+        self.assertEqual(exc.stack[0].line, "import sys")
+
+    def test_locals(self):
+        linecache.updatecache('/foo.py', globals())
+        e = Exception("uh oh")
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, globals(), {'something': 1, 'other': 'string'})
+        tb = test_tb(f, 6, None)
+        exc = traceback.TracebackException(
+            Exception, e, tb, capture_locals=True)
+        self.assertEqual(
+            exc.stack[0].locals, {'something': '1', 'other': "'string'"})
+
+    def test_no_locals(self):
+        linecache.updatecache('/foo.py', globals())
+        e = Exception("uh oh")
+        c = test_code('/foo.py', 'method')
+        f = test_frame(c, globals(), {'something': 1})
+        tb = test_tb(f, 6, None)
+        exc = traceback.TracebackException(Exception, e, tb)
+        self.assertEqual(exc.stack[0].locals, None)
+
+
+class MiscTest(unittest.TestCase):
+
+    def test_all(self):
+        expected = set()
+        blacklist = {'print_list'}
+        for name in dir(traceback):
+            if name.startswith('_') or name in blacklist:
+                continue
+            module_object = getattr(traceback, name)
+            if getattr(module_object, '__module__', None) == 'traceback':
+                expected.add(name)
+        self.assertCountEqual(traceback.__all__, expected)
+
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_tracemalloc.py b/Lib/test/test_tracemalloc.py
index 48ccab2..9382c48 100644
--- a/Lib/test/test_tracemalloc.py
+++ b/Lib/test/test_tracemalloc.py
@@ -660,11 +660,9 @@ class TestFilters(unittest.TestCase):
         self.assertFalse(fnmatch('abcdd', 'a*c*e'))
         self.assertFalse(fnmatch('abcbdefef', 'a*bd*eg'))
 
-        # replace .pyc and .pyo suffix with .py
+        # replace .pyc suffix with .py
         self.assertTrue(fnmatch('a.pyc', 'a.py'))
-        self.assertTrue(fnmatch('a.pyo', 'a.py'))
         self.assertTrue(fnmatch('a.py', 'a.pyc'))
-        self.assertTrue(fnmatch('a.py', 'a.pyo'))
 
         if os.name == 'nt':
             # case insensitive
@@ -674,7 +672,6 @@ class TestFilters(unittest.TestCase):
             self.assertTrue(fnmatch('a.pyc', 'a.PY'))
             self.assertTrue(fnmatch('a.PYO', 'a.py'))
             self.assertTrue(fnmatch('a.py', 'a.PYC'))
-            self.assertTrue(fnmatch('a.PY', 'a.pyo'))
         else:
             # case sensitive
             self.assertFalse(fnmatch('aBC', 'ABc'))
@@ -683,7 +680,6 @@ class TestFilters(unittest.TestCase):
             self.assertFalse(fnmatch('a.pyc', 'a.PY'))
             self.assertFalse(fnmatch('a.PYO', 'a.py'))
             self.assertFalse(fnmatch('a.py', 'a.PYC'))
-            self.assertFalse(fnmatch('a.PY', 'a.pyo'))
 
         if os.name == 'nt':
             # normalize alternate separator "/" to the standard separator "\"
@@ -755,7 +751,7 @@ class TestCommandLine(unittest.TestCase):
         stdout = stdout.rstrip()
         self.assertEqual(stdout, b'False')
 
-    @unittest.skipIf(script_helper._interpreter_requires_environment(),
+    @unittest.skipIf(script_helper.interpreter_requires_environment(),
                      'Cannot run -E tests when PYTHON env vars are required.')
     def test_env_var_ignored_with_E(self):
         """PYTHON* environment variables must be ignored when -E is present."""
diff --git a/Lib/test/test_tuple.py b/Lib/test/test_tuple.py
index 51875a1..fb113ab 100644
--- a/Lib/test/test_tuple.py
+++ b/Lib/test/test_tuple.py
@@ -6,6 +6,11 @@ import pickle
 class TupleTest(seq_tests.CommonTest):
     type2test = tuple
 
+    def test_getitem_error(self):
+        msg = "tuple indices must be integers or slices"
+        with self.assertRaisesRegex(TypeError, msg):
+            ()['a']
+
     def test_constructors(self):
         super().test_constructors()
         # calling built-in types without argument must return empty
@@ -203,8 +208,13 @@ class TupleTest(seq_tests.CommonTest):
         with self.assertRaises(TypeError):
             [3,] + T((1,2))
 
-def test_main():
-    support.run_unittest(TupleTest)
+    def test_lexicographic_ordering(self):
+        # Issue 21100
+        a = self.type2test([1, 2])
+        b = self.type2test([1, 2, 0])
+        c = self.type2test([1, 3])
+        self.assertLess(a, b)
+        self.assertLess(b, c)
 
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_typechecks.py b/Lib/test/test_typechecks.py
index 17cd5d3..a0e617b 100644
--- a/Lib/test/test_typechecks.py
+++ b/Lib/test/test_typechecks.py
@@ -1,7 +1,6 @@
 """Unit tests for __instancecheck__ and __subclasscheck__."""
 
 import unittest
-from test import support
 
 
 class ABC(type):
@@ -68,9 +67,5 @@ class TypeChecksTest(unittest.TestCase):
         self.assertEqual(isinstance(42, (SubInt,)), False)
 
 
-def test_main():
-    support.run_unittest(TypeChecksTest)
-
-
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index ec10752..8cdecb0 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -1,6 +1,6 @@
 # Python test set -- part 6, built-in types
 
-from test.support import run_unittest, run_with_locale
+from test.support import run_with_locale
 import collections
 import pickle
 import locale
@@ -343,6 +343,8 @@ class TypesTests(unittest.TestCase):
         self.assertRaises(ValueError, 3 .__format__, ",n")
         # can't have ',' with 'c'
         self.assertRaises(ValueError, 3 .__format__, ",c")
+        # can't have '#' with 'c'
+        self.assertRaises(ValueError, 3 .__format__, "#c")
 
         # ensure that only int and float type specifiers work
         for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] +
@@ -1170,9 +1172,5 @@ class SimpleNamespaceTests(unittest.TestCase):
             self.assertEqual(ns, ns_roundtrip, pname)
 
 
-def test_main():
-    run_unittest(TypesTests, MappingProxyTests, ClassCreationTests,
-                 SimpleNamespaceTests)
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_ucn.py b/Lib/test/test_ucn.py
index 1e07f66..8febf0a 100644
--- a/Lib/test/test_ucn.py
+++ b/Lib/test/test_ucn.py
@@ -233,8 +233,5 @@ class UnicodeNamesTest(unittest.TestCase):
         )
 
 
-def test_main():
-    support.run_unittest(UnicodeNamesTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_unary.py b/Lib/test/test_unary.py
index b835564..c3c17cc 100644
--- a/Lib/test/test_unary.py
+++ b/Lib/test/test_unary.py
@@ -1,7 +1,6 @@
 """Test compiler changes for unary ops (+, -, ~) introduced in Python 2.2"""
 
 import unittest
-from test.support import run_unittest
 
 class UnaryOpTestCase(unittest.TestCase):
 
@@ -50,9 +49,5 @@ class UnaryOpTestCase(unittest.TestCase):
         self.assertRaises(TypeError, eval, "~2.0")
 
 
-def test_main():
-    run_unittest(UnaryOpTestCase)
-
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 5efbe3e..2773fe5 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -8,6 +8,7 @@ Written by Marc-Andre Lemburg (mal@lemburg.com).
 import _string
 import codecs
 import itertools
+import operator
 import struct
 import sys
 import unittest
@@ -315,6 +316,7 @@ class UnicodeTest(string_tests.CommonTest,
                              {ord('a'): None, ord('b'): ''})
         self.checkequalnofix('xyyx', 'xzx', 'translate',
                              {ord('z'): 'yy'})
+
         # this needs maketrans()
         self.checkequalnofix('abababc', 'abababc', 'translate',
                              {'b': '<i>'})
@@ -324,6 +326,33 @@ class UnicodeTest(string_tests.CommonTest,
         tbl = self.type2test.maketrans('abc', 'xyz', 'd')
         self.checkequalnofix('xyzzy', 'abdcdcbdddd', 'translate', tbl)
 
+        # various tests switching from ASCII to latin1 or the opposite;
+        # same length, remove a letter, or replace with a longer string.
+        self.assertEqual("[a]".translate(str.maketrans('a', 'X')),
+                         "[X]")
+        self.assertEqual("[a]".translate(str.maketrans({'a': 'X'})),
+                         "[X]")
+        self.assertEqual("[a]".translate(str.maketrans({'a': None})),
+                         "[]")
+        self.assertEqual("[a]".translate(str.maketrans({'a': 'XXX'})),
+                         "[XXX]")
+        self.assertEqual("[a]".translate(str.maketrans({'a': '\xe9'})),
+                         "[\xe9]")
+        self.assertEqual("[a]".translate(str.maketrans({'a': '<\xe9>'})),
+                         "[<\xe9>]")
+        self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': 'a'})),
+                         "[a]")
+        self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': None})),
+                         "[]")
+
+        # invalid Unicode characters
+        invalid_char = 0x10ffff+1
+        for before in "a\xe9\u20ac\U0010ffff":
+            mapping = str.maketrans({before: invalid_char})
+            text = "[%s]" % before
+            self.assertRaises(ValueError, text.translate, mapping)
+
+        # errors
         self.assertRaises(TypeError, self.type2test.maketrans)
         self.assertRaises(ValueError, self.type2test.maketrans, 'abc', 'defg')
         self.assertRaises(TypeError, self.type2test.maketrans, 2, 'def')
@@ -1306,20 +1335,20 @@ class UnicodeTest(string_tests.CommonTest,
         self.assertEqual('%.2s' % "a\xe9\u20ac", 'a\xe9')
 
         #issue 19995
-        class PsuedoInt:
+        class PseudoInt:
             def __init__(self, value):
                 self.value = int(value)
             def __int__(self):
                 return self.value
             def __index__(self):
                 return self.value
-        class PsuedoFloat:
+        class PseudoFloat:
             def __init__(self, value):
                 self.value = float(value)
             def __int__(self):
                 return int(self.value)
-        pi = PsuedoFloat(3.1415)
-        letter_m = PsuedoInt(109)
+        pi = PseudoFloat(3.1415)
+        letter_m = PseudoInt(109)
         self.assertEqual('%x' % 42, '2a')
         self.assertEqual('%X' % 15, 'F')
         self.assertEqual('%o' % 9, '11')
@@ -1328,11 +1357,11 @@ class UnicodeTest(string_tests.CommonTest,
         self.assertEqual('%X' % letter_m, '6D')
         self.assertEqual('%o' % letter_m, '155')
         self.assertEqual('%c' % letter_m, 'm')
-        self.assertWarns(DeprecationWarning, '%x'.__mod__, pi),
-        self.assertWarns(DeprecationWarning, '%x'.__mod__, 3.14),
-        self.assertWarns(DeprecationWarning, '%X'.__mod__, 2.11),
-        self.assertWarns(DeprecationWarning, '%o'.__mod__, 1.79),
-        self.assertWarns(DeprecationWarning, '%c'.__mod__, pi),
+        self.assertRaisesRegex(TypeError, '%x format: an integer is required, not float', operator.mod, '%x', 3.14),
+        self.assertRaisesRegex(TypeError, '%X format: an integer is required, not float', operator.mod, '%X', 2.11),
+        self.assertRaisesRegex(TypeError, '%o format: an integer is required, not float', operator.mod, '%o', 1.79),
+        self.assertRaisesRegex(TypeError, '%x format: an integer is required, not PseudoFloat', operator.mod, '%x', pi),
+        self.assertRaises(TypeError, operator.mod, '%c', pi),
 
     def test_formatting_with_enum(self):
         # issue18780
diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py
index 707b30e..7095767 100644
--- a/Lib/test/test_unicodedata.py
+++ b/Lib/test/test_unicodedata.py
@@ -21,7 +21,7 @@ errors = 'surrogatepass'
 class UnicodeMethodsTest(unittest.TestCase):
 
     # update this, if the database changes
-    expectedchecksum = 'e74e878de71b6e780ffac271785c3cb58f6251f3'
+    expectedchecksum = '618e2c1a22ee79d2235319709f16c50f987ee21f'
 
     def test_method_checksum(self):
         h = hashlib.sha1()
@@ -79,8 +79,9 @@ class UnicodeDatabaseTest(unittest.TestCase):
 
 class UnicodeFunctionsTest(UnicodeDatabaseTest):
 
-    # update this, if the database changes
-    expectedchecksum = 'f0b74d26776331cc7bdc3a4698f037d73f2cee2b'
+    # Update this if the database changes. Make sure to do a full rebuild
+    # (e.g. 'make distclean && make') to get the correct checksum.
+    expectedchecksum = '585302895deead0c1c8478c51da9241d4efedca9'
     def test_function_checksum(self):
         data = []
         h = hashlib.sha1()
@@ -312,12 +313,5 @@ class UnicodeMiscTest(UnicodeDatabaseTest):
                 self.assertEqual(len(lines), 1,
                                  r"\u%.4x should not be a linebreak" % i)
 
-def test_main():
-    test.support.run_unittest(
-        UnicodeMiscTest,
-        UnicodeMethodsTest,
-        UnicodeFunctionsTest
-    )
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_unpack.py b/Lib/test/test_unpack.py
index b1c483d..d1ccb38 100644
--- a/Lib/test/test_unpack.py
+++ b/Lib/test/test_unpack.py
@@ -76,7 +76,7 @@ Unpacking sequence too short
     >>> a, b, c, d = Seq()
     Traceback (most recent call last):
       ...
-    ValueError: need more than 3 values to unpack
+    ValueError: not enough values to unpack (expected 4, got 3)
 
 Unpacking sequence too long
 
diff --git a/Lib/test/test_unpack_ex.py b/Lib/test/test_unpack_ex.py
index ae2dcbd..54666b0 100644
--- a/Lib/test/test_unpack_ex.py
+++ b/Lib/test/test_unpack_ex.py
@@ -85,7 +85,14 @@ Unpacking sequence too short
     >>> a, *b, c, d, e = Seq()
     Traceback (most recent call last):
       ...
-    ValueError: need more than 3 values to unpack
+    ValueError: not enough values to unpack (expected at least 4, got 3)
+
+Unpacking sequence too short and target appears last
+
+    >>> a, b, c, d, *e = Seq()
+    Traceback (most recent call last):
+      ...
+    ValueError: not enough values to unpack (expected at least 4, got 3)
 
 Unpacking a sequence where the test for too long raises a different kind of
 error
diff --git a/Lib/test/test_urllib.py b/Lib/test/test_urllib.py
index 16236ef..58ca2a5 100644
--- a/Lib/test/test_urllib.py
+++ b/Lib/test/test_urllib.py
@@ -10,7 +10,10 @@ import unittest
 from unittest.mock import patch
 from test import support
 import os
-import ssl
+try:
+    import ssl
+except ImportError:
+    ssl = None
 import sys
 import tempfile
 from nturl2path import url2pathname, pathname2url
@@ -380,6 +383,7 @@ Content-Type: text/html; charset=iso-8859-1
         with support.check_warnings(('',DeprecationWarning)):
             urllib.request.URLopener()
 
+    @unittest.skipUnless(ssl, "ssl module required")
     def test_cafile_and_context(self):
         context = ssl.create_default_context()
         with self.assertRaises(ValueError):
@@ -1331,7 +1335,7 @@ class URLopener_Tests(unittest.TestCase):
 #     serv.settimeout(3)
 #     serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 #     serv.bind(("", 9093))
-#     serv.listen(5)
+#     serv.listen()
 #     try:
 #         conn, addr = serv.accept()
 #         conn.send("1 Hola mundo\n")
diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index 7d41ea1..a5281d8 100644
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -11,7 +11,9 @@ import sys
 import urllib.request
 # The proxy bypass method imported below has logic specific to the OSX
 # proxy config data structure but is testable on all platforms.
-from urllib.request import Request, OpenerDirector, _parse_proxy, _proxy_bypass_macosx_sysconf
+from urllib.request import (Request, OpenerDirector, HTTPBasicAuthHandler,
+                            HTTPPasswordMgrWithPriorAuth, _parse_proxy,
+                            _proxy_bypass_macosx_sysconf)
 from urllib.parse import urlparse
 import urllib.error
 import http.client
@@ -21,6 +23,7 @@ import http.client
 # CacheFTPHandler (hard to write)
 # parse_keqv_list, parse_http_list, HTTPDigestAuthHandler
 
+
 class TrivialTests(unittest.TestCase):
 
     def test___all__(self):
@@ -71,6 +74,7 @@ class TrivialTests(unittest.TestCase):
         err = urllib.error.URLError('reason')
         self.assertIn(err.reason, str(err))
 
+
 class RequestHdrsTests(unittest.TestCase):
 
     def test_request_headers_dict(self):
@@ -130,7 +134,6 @@ class RequestHdrsTests(unittest.TestCase):
         req.remove_header("Unredirected-spam")
         self.assertFalse(req.has_header("Unredirected-spam"))
 
-
     def test_password_manager(self):
         mgr = urllib.request.HTTPPasswordMgr()
         add = mgr.add_password
@@ -234,43 +237,60 @@ class RequestHdrsTests(unittest.TestCase):
 
 class MockOpener:
     addheaders = []
+
     def open(self, req, data=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT):
         self.req, self.data, self.timeout = req, data, timeout
+
     def error(self, proto, *args):
         self.proto, self.args = proto, args
 
+
 class MockFile:
-    def read(self, count=None): pass
-    def readline(self, count=None): pass
-    def close(self): pass
+    def read(self, count=None):
+        pass
+
+    def readline(self, count=None):
+        pass
+
+    def close(self):
+        pass
+
 
 class MockHeaders(dict):
     def getheaders(self, name):
         return list(self.values())
 
+
 class MockResponse(io.StringIO):
     def __init__(self, code, msg, headers, data, url=None):
         io.StringIO.__init__(self, data)
         self.code, self.msg, self.headers, self.url = code, msg, headers, url
+
     def info(self):
         return self.headers
+
     def geturl(self):
         return self.url
 
+
 class MockCookieJar:
     def add_cookie_header(self, request):
         self.ach_req = request
+
     def extract_cookies(self, response, request):
         self.ec_req, self.ec_r = request, response
 
+
 class FakeMethod:
     def __init__(self, meth_name, action, handle):
         self.meth_name = meth_name
         self.handle = handle
         self.action = action
+
     def __call__(self, *args):
         return self.handle(self.meth_name, self.action, *args)
 
+
 class MockHTTPResponse(io.IOBase):
     def __init__(self, fp, msg, status, reason):
         self.fp = fp
@@ -324,24 +344,31 @@ class MockHTTPClass:
             self.data = body
         if self.raise_on_endheaders:
             raise OSError()
+
     def getresponse(self):
         return MockHTTPResponse(MockFile(), {}, 200, "OK")
 
     def close(self):
         pass
 
+
 class MockHandler:
     # useful for testing handler machinery
     # see add_ordered_mock_handlers() docstring
     handler_order = 500
+
     def __init__(self, methods):
         self._define_methods(methods)
+
     def _define_methods(self, methods):
         for spec in methods:
-            if len(spec) == 2: name, action = spec
-            else: name, action = spec, None
+            if len(spec) == 2:
+                name, action = spec
+            else:
+                name, action = spec, None
             meth = FakeMethod(name, action, self.handle)
             setattr(self.__class__, name, meth)
+
     def handle(self, fn_name, action, *args, **kwds):
         self.parent.calls.append((self, fn_name, args, kwds))
         if action is None:
@@ -364,16 +391,21 @@ class MockHandler:
         elif action == "raise":
             raise urllib.error.URLError("blah")
         assert False
-    def close(self): pass
+
+    def close(self):
+        pass
+
     def add_parent(self, parent):
         self.parent = parent
         self.parent.calls = []
+
     def __lt__(self, other):
         if not hasattr(other, "handler_order"):
             # No handler_order, leave in original order.  Yuck.
             return True
         return self.handler_order < other.handler_order
 
+
 def add_ordered_mock_handlers(opener, meth_spec):
     """Create MockHandlers and add them to an OpenerDirector.
 
@@ -396,7 +428,9 @@ def add_ordered_mock_handlers(opener, meth_spec):
     handlers = []
     count = 0
     for meths in meth_spec:
-        class MockHandlerSubclass(MockHandler): pass
+        class MockHandlerSubclass(MockHandler):
+            pass
+
         h = MockHandlerSubclass(meths)
         h.handler_order += count
         h.add_parent(opener)
@@ -405,12 +439,14 @@ def add_ordered_mock_handlers(opener, meth_spec):
         opener.add_handler(h)
     return handlers
 
+
 def build_test_opener(*handler_instances):
     opener = OpenerDirector()
     for h in handler_instances:
         opener.add_handler(h)
     return opener
 
+
 class MockHTTPHandler(urllib.request.BaseHandler):
     # useful for testing redirections and auth
     # sends supplied headers and code as first response
@@ -419,9 +455,11 @@ class MockHTTPHandler(urllib.request.BaseHandler):
         self.code = code
         self.headers = headers
         self.reset()
+
     def reset(self):
         self._count = 0
         self.requests = []
+
     def http_open(self, req):
         import email, http.client, copy
         self.requests.append(copy.deepcopy(req))
@@ -436,6 +474,7 @@ class MockHTTPHandler(urllib.request.BaseHandler):
             msg = email.message_from_string("\r\n\r\n")
             return MockResponse(200, "OK", msg, "", req.get_full_url())
 
+
 class MockHTTPSHandler(urllib.request.AbstractHTTPHandler):
     # Useful for testing the Proxy-Authorization request by verifying the
     # properties of httpcon
@@ -447,12 +486,33 @@ class MockHTTPSHandler(urllib.request.AbstractHTTPHandler):
     def https_open(self, req):
         return self.do_open(self.httpconn, req)
 
+
+class MockHTTPHandlerCheckAuth(urllib.request.BaseHandler):
+    # useful for testing auth
+    # sends supplied code response
+    # checks if auth header is specified in request
+    def __init__(self, code):
+        self.code = code
+        self.has_auth_header = False
+
+    def reset(self):
+        self.has_auth_header = False
+
+    def http_open(self, req):
+        if req.has_header('Authorization'):
+            self.has_auth_header = True
+        name = http.client.responses[self.code]
+        return MockResponse(self.code, name, MockFile(), "", req.get_full_url())
+
+
+
 class MockPasswordManager:
     def add_password(self, realm, uri, user, password):
         self.realm = realm
         self.url = uri
         self.user = user
         self.password = password
+
     def find_user_password(self, realm, authuri):
         self.target_realm = realm
         self.target_url = authuri
@@ -517,11 +577,11 @@ class OpenerDirectorTests(unittest.TestCase):
     def test_handler_order(self):
         o = OpenerDirector()
         handlers = []
-        for meths, handler_order in [
-            ([("http_open", "return self")], 500),
-            (["http_open"], 0),
-            ]:
-            class MockHandlerSubclass(MockHandler): pass
+        for meths, handler_order in [([("http_open", "return self")], 500),
+                                     (["http_open"], 0)]:
+            class MockHandlerSubclass(MockHandler):
+                pass
+
             h = MockHandlerSubclass(meths)
             h.handler_order = handler_order
             handlers.append(h)
@@ -559,7 +619,8 @@ class OpenerDirectorTests(unittest.TestCase):
         handlers = add_ordered_mock_handlers(o, meth_spec)
 
         class Unknown:
-            def __eq__(self, other): return True
+            def __eq__(self, other):
+                return True
 
         req = Request("http://example.com/")
         o.open(req)
@@ -572,7 +633,6 @@ class OpenerDirectorTests(unittest.TestCase):
             self.assertEqual((handler, method_name), got[:2])
             self.assertEqual(args, got[2])
 
-
     def test_processors(self):
         # *_request / *_response methods get called appropriately
         o = OpenerDirector()
@@ -608,6 +668,7 @@ class OpenerDirectorTests(unittest.TestCase):
                 if args[1] is not None:
                     self.assertIsInstance(args[1], MockResponse)
 
+
 def sanepathname2url(path):
     try:
         path.encode("utf-8")
@@ -619,18 +680,25 @@ def sanepathname2url(path):
     # XXX don't ask me about the mac...
     return urlpath
 
+
 class HandlerTests(unittest.TestCase):
 
     def test_ftp(self):
         class MockFTPWrapper:
-            def __init__(self, data): self.data = data
+            def __init__(self, data):
+                self.data = data
+
             def retrfile(self, filename, filetype):
                 self.filename, self.filetype = filename, filetype
                 return io.StringIO(self.data), len(self.data)
-            def close(self): pass
+
+            def close(self):
+                pass
 
         class NullFTPHandler(urllib.request.FTPHandler):
-            def __init__(self, data): self.data = data
+            def __init__(self, data):
+                self.data = data
+
             def connect_ftp(self, user, passwd, host, port, dirs,
                             timeout=socket._GLOBAL_DEFAULT_TIMEOUT):
                 self.user, self.passwd = user, passwd
@@ -868,7 +936,7 @@ class HandlerTests(unittest.TestCase):
                 self.assertRaises(ValueError, h.do_request_, req)
             else:
                 newreq = h.do_request_(req)
-                self.assertEqual(int(newreq.get_header('Content-length')),30)
+                self.assertEqual(int(newreq.get_header('Content-length')), 30)
 
         file_obj.close()
 
@@ -901,12 +969,12 @@ class HandlerTests(unittest.TestCase):
 
             # Check whether host is determined correctly if there is no proxy
             np_ds_req = h.do_request_(ds_req)
-            self.assertEqual(np_ds_req.unredirected_hdrs["Host"],"example.com")
+            self.assertEqual(np_ds_req.unredirected_hdrs["Host"], "example.com")
 
             # Check whether host is determined correctly if there is a proxy
-            ds_req.set_proxy("someproxy:3128",None)
+            ds_req.set_proxy("someproxy:3128", None)
             p_ds_req = h.do_request_(ds_req)
-            self.assertEqual(p_ds_req.unredirected_hdrs["Host"],"example.com")
+            self.assertEqual(p_ds_req.unredirected_hdrs["Host"], "example.com")
 
     def test_full_url_setter(self):
         # Checks to ensure that components are set correctly after setting the
@@ -948,15 +1016,14 @@ class HandlerTests(unittest.TestCase):
         weird_url = 'http://www.python.org?getspam'
         req = Request(weird_url)
         newreq = h.do_request_(req)
-        self.assertEqual(newreq.host,'www.python.org')
-        self.assertEqual(newreq.selector,'/?getspam')
+        self.assertEqual(newreq.host, 'www.python.org')
+        self.assertEqual(newreq.selector, '/?getspam')
 
         url_without_path = 'http://www.python.org'
         req = Request(url_without_path)
         newreq = h.do_request_(req)
-        self.assertEqual(newreq.host,'www.python.org')
-        self.assertEqual(newreq.selector,'')
-
+        self.assertEqual(newreq.host, 'www.python.org')
+        self.assertEqual(newreq.selector, '')
 
     def test_errors(self):
         h = urllib.request.HTTPErrorProcessor()
@@ -1043,6 +1110,7 @@ class HandlerTests(unittest.TestCase):
         # loop detection
         req = Request(from_url)
         req.timeout = socket._GLOBAL_DEFAULT_TIMEOUT
+
         def redirect(h, req, url=to_url):
             h.http_error_302(req, MockFile(), 302, "Blah",
                              MockHeaders({"location": url}))
@@ -1073,7 +1141,6 @@ class HandlerTests(unittest.TestCase):
             self.assertEqual(count,
                              urllib.request.HTTPRedirectHandler.max_redirections)
 
-
     def test_invalid_redirect(self):
         from_url = "http://example.com/a.html"
         valid_schemes = ['http','https','ftp']
@@ -1176,7 +1243,6 @@ class HandlerTests(unittest.TestCase):
         self.assertEqual(req.host, "www.python.org")
         del os.environ['no_proxy']
 
-
     def test_proxy_https(self):
         o = OpenerDirector()
         ph = urllib.request.ProxyHandler(dict(https="proxy.example.com:3128"))
@@ -1200,21 +1266,21 @@ class HandlerTests(unittest.TestCase):
         https_handler = MockHTTPSHandler()
         o.add_handler(https_handler)
         req = Request("https://www.example.com/")
-        req.add_header("Proxy-Authorization","FooBar")
-        req.add_header("User-Agent","Grail")
+        req.add_header("Proxy-Authorization", "FooBar")
+        req.add_header("User-Agent", "Grail")
         self.assertEqual(req.host, "www.example.com")
         self.assertIsNone(req._tunnel_host)
         o.open(req)
         # Verify Proxy-Authorization gets tunneled to request.
         # httpsconn req_headers do not have the Proxy-Authorization header but
         # the req will have.
-        self.assertNotIn(("Proxy-Authorization","FooBar"),
+        self.assertNotIn(("Proxy-Authorization", "FooBar"),
                          https_handler.httpconn.req_headers)
-        self.assertIn(("User-Agent","Grail"),
+        self.assertIn(("User-Agent", "Grail"),
                       https_handler.httpconn.req_headers)
         self.assertIsNotNone(req._tunnel_host)
         self.assertEqual(req.host, "proxy.example.com:3128")
-        self.assertEqual(req.get_header("Proxy-authorization"),"FooBar")
+        self.assertEqual(req.get_header("Proxy-authorization"), "FooBar")
 
     # TODO: This should be only for OSX
     @unittest.skipUnless(sys.platform == 'darwin', "only relevant for OSX")
@@ -1246,7 +1312,7 @@ class HandlerTests(unittest.TestCase):
         realm = "ACME Widget Store"
         http_handler = MockHTTPHandler(
             401, 'WWW-Authenticate: Basic realm=%s%s%s\r\n\r\n' %
-            (quote_char, realm, quote_char) )
+            (quote_char, realm, quote_char))
         opener.add_handler(auth_handler)
         opener.add_handler(http_handler)
         self._test_basic_auth(opener, auth_handler, "Authorization",
@@ -1304,13 +1370,16 @@ class HandlerTests(unittest.TestCase):
             def __init__(self):
                 OpenerDirector.__init__(self)
                 self.recorded = []
+
             def record(self, info):
                 self.recorded.append(info)
+
         class TestDigestAuthHandler(urllib.request.HTTPDigestAuthHandler):
             def http_error_401(self, *args, **kwds):
                 self.parent.record("digest")
                 urllib.request.HTTPDigestAuthHandler.http_error_401(self,
                                                              *args, **kwds)
+
         class TestBasicAuthHandler(urllib.request.HTTPBasicAuthHandler):
             def http_error_401(self, *args, **kwds):
                 self.parent.record("basic")
@@ -1346,7 +1415,7 @@ class HandlerTests(unittest.TestCase):
             401, 'WWW-Authenticate: Kerberos\r\n\r\n')
         opener.add_handler(digest_auth_handler)
         opener.add_handler(http_handler)
-        self.assertRaises(ValueError,opener.open,"http://www.example.com")
+        self.assertRaises(ValueError, opener.open, "http://www.example.com")
 
     def test_unsupported_auth_basic_handler(self):
         # While using BasicAuthHandler
@@ -1356,7 +1425,7 @@ class HandlerTests(unittest.TestCase):
             401, 'WWW-Authenticate: NTLM\r\n\r\n')
         opener.add_handler(basic_auth_handler)
         opener.add_handler(http_handler)
-        self.assertRaises(ValueError,opener.open,"http://www.example.com")
+        self.assertRaises(ValueError, opener.open, "http://www.example.com")
 
     def _test_basic_auth(self, opener, auth_handler, auth_header,
                          realm, http_handler, password_manager,
@@ -1395,6 +1464,72 @@ class HandlerTests(unittest.TestCase):
         self.assertEqual(len(http_handler.requests), 1)
         self.assertFalse(http_handler.requests[0].has_header(auth_header))
 
+    def test_basic_prior_auth_auto_send(self):
+        # Assume already authenticated if is_authenticated=True
+        # for APIs like Github that don't return 401
+
+        user, password = "wile", "coyote"
+        request_url = "http://acme.example.com/protected"
+
+        http_handler = MockHTTPHandlerCheckAuth(200)
+
+        pwd_manager = HTTPPasswordMgrWithPriorAuth()
+        auth_prior_handler = HTTPBasicAuthHandler(pwd_manager)
+        auth_prior_handler.add_password(
+            None, request_url, user, password, is_authenticated=True)
+
+        is_auth = pwd_manager.is_authenticated(request_url)
+        self.assertTrue(is_auth)
+
+        opener = OpenerDirector()
+        opener.add_handler(auth_prior_handler)
+        opener.add_handler(http_handler)
+
+        opener.open(request_url)
+
+        # expect request to be sent with auth header
+        self.assertTrue(http_handler.has_auth_header)
+
+    def test_basic_prior_auth_send_after_first_success(self):
+        # Auto send auth header after authentication is successful once
+
+        user, password = 'wile', 'coyote'
+        request_url = 'http://acme.example.com/protected'
+        realm = 'ACME'
+
+        pwd_manager = HTTPPasswordMgrWithPriorAuth()
+        auth_prior_handler = HTTPBasicAuthHandler(pwd_manager)
+        auth_prior_handler.add_password(realm, request_url, user, password)
+
+        is_auth = pwd_manager.is_authenticated(request_url)
+        self.assertFalse(is_auth)
+
+        opener = OpenerDirector()
+        opener.add_handler(auth_prior_handler)
+
+        http_handler = MockHTTPHandler(
+            401, 'WWW-Authenticate: Basic realm="%s"\r\n\r\n' % None)
+        opener.add_handler(http_handler)
+
+        opener.open(request_url)
+
+        is_auth = pwd_manager.is_authenticated(request_url)
+        self.assertTrue(is_auth)
+
+        http_handler = MockHTTPHandlerCheckAuth(200)
+        self.assertFalse(http_handler.has_auth_header)
+
+        opener = OpenerDirector()
+        opener.add_handler(auth_prior_handler)
+        opener.add_handler(http_handler)
+
+        # After getting 200 from MockHTTPHandler
+        # Next request sends header in the first request
+        opener.open(request_url)
+
+        # expect request to be sent with auth header
+        self.assertTrue(http_handler.has_auth_header)
+
     def test_http_closed(self):
         """Test the connection is cleaned up when the response is closed"""
         for (transfer, data) in (
@@ -1423,6 +1558,7 @@ class HandlerTests(unittest.TestCase):
         self.assertTrue(conn.fakesock.closed, "Connection not closed")
 
 
+
 class MiscTests(unittest.TestCase):
 
     def opener_has_handler(self, opener, handler_class):
@@ -1430,11 +1566,16 @@ class MiscTests(unittest.TestCase):
                             for h in opener.handlers))
 
     def test_build_opener(self):
-        class MyHTTPHandler(urllib.request.HTTPHandler): pass
+        class MyHTTPHandler(urllib.request.HTTPHandler):
+            pass
+
         class FooHandler(urllib.request.BaseHandler):
-            def foo_open(self): pass
+            def foo_open(self):
+                pass
+
         class BarHandler(urllib.request.BaseHandler):
-            def bar_open(self): pass
+            def bar_open(self):
+                pass
 
         build_opener = urllib.request.build_opener
 
@@ -1461,7 +1602,9 @@ class MiscTests(unittest.TestCase):
         self.opener_has_handler(o, urllib.request.HTTPHandler)
 
         # Issue2670: multiple handlers sharing the same base class
-        class MyOtherHTTPHandler(urllib.request.HTTPHandler): pass
+        class MyOtherHTTPHandler(urllib.request.HTTPHandler):
+            pass
+
         o = build_opener(MyHTTPHandler, MyOtherHTTPHandler)
         self.opener_has_handler(o, MyHTTPHandler)
         self.opener_has_handler(o, MyOtherHTTPHandler)
@@ -1497,6 +1640,8 @@ class MiscTests(unittest.TestCase):
         self.assertEqual(err.headers, 'Content-Length: 42')
         expected_errmsg = 'HTTP Error %s: %s' % (err.code, err.msg)
         self.assertEqual(str(err), expected_errmsg)
+        expected_errmsg = '<HTTPError %s: %r>' % (err.code, err.msg)
+        self.assertEqual(repr(err), expected_errmsg)
 
     def test_parse_proxy(self):
         parse_proxy_test_cases = [
@@ -1535,9 +1680,10 @@ class MiscTests(unittest.TestCase):
 
         self.assertRaises(ValueError, _parse_proxy, 'file:/ftp.example.com'),
 
+
 class RequestTests(unittest.TestCase):
     class PutRequest(Request):
-        method='PUT'
+        method = 'PUT'
 
     def setUp(self):
         self.get = Request("http://www.python.org/~jeremy/")
@@ -1626,7 +1772,7 @@ class RequestTests(unittest.TestCase):
     def test_url_fullurl_get_full_url(self):
         urls = ['http://docs.python.org',
                 'http://docs.python.org/library/urllib2.html#OK',
-                'http://www.python.org/?qs=query#fragment=true' ]
+                'http://www.python.org/?qs=query#fragment=true']
         for url in urls:
             req = Request(url)
             self.assertEqual(req.get_full_url(), req.full_url)
diff --git a/Lib/test/test_urlparse.py b/Lib/test/test_urlparse.py
index ad9820b..156ccf5 100644
--- a/Lib/test/test_urlparse.py
+++ b/Lib/test/test_urlparse.py
@@ -210,10 +210,6 @@ class UrlParseTestCase(unittest.TestCase):
 
         # "abnormal" cases from RFC 1808:
         self.checkJoin(RFC1808_BASE, '', 'http://a/b/c/d;p?q#f')
-        self.checkJoin(RFC1808_BASE, '../../../g', 'http://a/../g')
-        self.checkJoin(RFC1808_BASE, '../../../../g', 'http://a/../../g')
-        self.checkJoin(RFC1808_BASE, '/./g', 'http://a/./g')
-        self.checkJoin(RFC1808_BASE, '/../g', 'http://a/../g')
         self.checkJoin(RFC1808_BASE, 'g.', 'http://a/b/c/g.')
         self.checkJoin(RFC1808_BASE, '.g', 'http://a/b/c/.g')
         self.checkJoin(RFC1808_BASE, 'g..', 'http://a/b/c/g..')
@@ -228,6 +224,13 @@ class UrlParseTestCase(unittest.TestCase):
         #self.checkJoin(RFC1808_BASE, 'http:g', 'http:g')
         #self.checkJoin(RFC1808_BASE, 'http:', 'http:')
 
+        # XXX: The following tests are no longer compatible with RFC3986
+        # self.checkJoin(RFC1808_BASE, '../../../g', 'http://a/../g')
+        # self.checkJoin(RFC1808_BASE, '../../../../g', 'http://a/../../g')
+        # self.checkJoin(RFC1808_BASE, '/./g', 'http://a/./g')
+        # self.checkJoin(RFC1808_BASE, '/../g', 'http://a/../g')
+
+
     def test_RFC2368(self):
         # Issue 11467: path that starts with a number is not parsed correctly
         self.assertEqual(urllib.parse.urlparse('mailto:1337@example.org'),
@@ -258,10 +261,6 @@ class UrlParseTestCase(unittest.TestCase):
         self.checkJoin(RFC2396_BASE, '../../', 'http://a/')
         self.checkJoin(RFC2396_BASE, '../../g', 'http://a/g')
         self.checkJoin(RFC2396_BASE, '', RFC2396_BASE)
-        self.checkJoin(RFC2396_BASE, '../../../g', 'http://a/../g')
-        self.checkJoin(RFC2396_BASE, '../../../../g', 'http://a/../../g')
-        self.checkJoin(RFC2396_BASE, '/./g', 'http://a/./g')
-        self.checkJoin(RFC2396_BASE, '/../g', 'http://a/../g')
         self.checkJoin(RFC2396_BASE, 'g.', 'http://a/b/c/g.')
         self.checkJoin(RFC2396_BASE, '.g', 'http://a/b/c/.g')
         self.checkJoin(RFC2396_BASE, 'g..', 'http://a/b/c/g..')
@@ -277,10 +276,17 @@ class UrlParseTestCase(unittest.TestCase):
         self.checkJoin(RFC2396_BASE, 'g#s/./x', 'http://a/b/c/g#s/./x')
         self.checkJoin(RFC2396_BASE, 'g#s/../x', 'http://a/b/c/g#s/../x')
 
+        # XXX: The following tests are no longer compatible with RFC3986
+        # self.checkJoin(RFC2396_BASE, '../../../g', 'http://a/../g')
+        # self.checkJoin(RFC2396_BASE, '../../../../g', 'http://a/../../g')
+        # self.checkJoin(RFC2396_BASE, '/./g', 'http://a/./g')
+        # self.checkJoin(RFC2396_BASE, '/../g', 'http://a/../g')
+
+
     def test_RFC3986(self):
         # Test cases from RFC3986
         self.checkJoin(RFC3986_BASE, '?y','http://a/b/c/d;p?y')
-        self.checkJoin(RFC2396_BASE, ';x', 'http://a/b/c/;x')
+        self.checkJoin(RFC3986_BASE, ';x', 'http://a/b/c/;x')
         self.checkJoin(RFC3986_BASE, 'g:h','g:h')
         self.checkJoin(RFC3986_BASE, 'g','http://a/b/c/g')
         self.checkJoin(RFC3986_BASE, './g','http://a/b/c/g')
@@ -304,17 +310,17 @@ class UrlParseTestCase(unittest.TestCase):
         self.checkJoin(RFC3986_BASE, '../..','http://a/')
         self.checkJoin(RFC3986_BASE, '../../','http://a/')
         self.checkJoin(RFC3986_BASE, '../../g','http://a/g')
+        self.checkJoin(RFC3986_BASE, '../../../g', 'http://a/g')
 
         #Abnormal Examples
 
         # The 'abnormal scenarios' are incompatible with RFC2986 parsing
         # Tests are here for reference.
 
-        #self.checkJoin(RFC3986_BASE, '../../../g','http://a/g')
-        #self.checkJoin(RFC3986_BASE, '../../../../g','http://a/g')
-        #self.checkJoin(RFC3986_BASE, '/./g','http://a/g')
-        #self.checkJoin(RFC3986_BASE, '/../g','http://a/g')
-
+        self.checkJoin(RFC3986_BASE, '../../../g','http://a/g')
+        self.checkJoin(RFC3986_BASE, '../../../../g','http://a/g')
+        self.checkJoin(RFC3986_BASE, '/./g','http://a/g')
+        self.checkJoin(RFC3986_BASE, '/../g','http://a/g')
         self.checkJoin(RFC3986_BASE, 'g.','http://a/b/c/g.')
         self.checkJoin(RFC3986_BASE, '.g','http://a/b/c/.g')
         self.checkJoin(RFC3986_BASE, 'g..','http://a/b/c/g..')
@@ -354,10 +360,8 @@ class UrlParseTestCase(unittest.TestCase):
         self.checkJoin(SIMPLE_BASE, '../g','http://a/b/g')
         self.checkJoin(SIMPLE_BASE, '../..','http://a/')
         self.checkJoin(SIMPLE_BASE, '../../g','http://a/g')
-        self.checkJoin(SIMPLE_BASE, '../../../g','http://a/../g')
         self.checkJoin(SIMPLE_BASE, './../g','http://a/b/g')
         self.checkJoin(SIMPLE_BASE, './g/.','http://a/b/c/g/')
-        self.checkJoin(SIMPLE_BASE, '/./g','http://a/./g')
         self.checkJoin(SIMPLE_BASE, 'g/./h','http://a/b/c/g/h')
         self.checkJoin(SIMPLE_BASE, 'g/../h','http://a/b/c/h')
         self.checkJoin(SIMPLE_BASE, 'http:g','http://a/b/c/g')
@@ -371,6 +375,25 @@ class UrlParseTestCase(unittest.TestCase):
         self.checkJoin('svn://pathtorepo/dir1', 'dir2', 'svn://pathtorepo/dir2')
         self.checkJoin('svn+ssh://pathtorepo/dir1', 'dir2', 'svn+ssh://pathtorepo/dir2')
 
+        # XXX: The following tests are no longer compatible with RFC3986
+        # self.checkJoin(SIMPLE_BASE, '../../../g','http://a/../g')
+        # self.checkJoin(SIMPLE_BASE, '/./g','http://a/./g')
+
+        # test for issue22118 duplicate slashes
+        self.checkJoin(SIMPLE_BASE + '/', 'foo', SIMPLE_BASE + '/foo')
+
+        # Non-RFC-defined tests, covering variations of base and trailing
+        # slashes
+        self.checkJoin('http://a/b/c/d/e/', '../../f/g/', 'http://a/b/c/f/g/')
+        self.checkJoin('http://a/b/c/d/e', '../../f/g/', 'http://a/b/f/g/')
+        self.checkJoin('http://a/b/c/d/e/', '/../../f/g/', 'http://a/f/g/')
+        self.checkJoin('http://a/b/c/d/e', '/../../f/g/', 'http://a/f/g/')
+        self.checkJoin('http://a/b/c/d/e/', '../../f/g', 'http://a/b/c/f/g')
+        self.checkJoin('http://a/b/', '../../f/g/', 'http://a/f/g/')
+
+        # issue 23703: don't duplicate filename
+        self.checkJoin('a', 'b', 'b')
+
     def test_RFC2732(self):
         str_cases = [
             ('http://Test.python.org:5432/foo/', 'test.python.org', 5432),
@@ -820,6 +843,22 @@ class UrlParseTestCase(unittest.TestCase):
         quoter = urllib.parse.Quoter(urllib.parse._ALWAYS_SAFE)
         self.assertIn('Quoter', repr(quoter))
 
+    def test_all(self):
+        expected = []
+        undocumented = {
+            'splitattr', 'splithost', 'splitnport', 'splitpasswd',
+            'splitport', 'splitquery', 'splittag', 'splittype', 'splituser',
+            'splitvalue',
+            'Quoter', 'ResultBase', 'clear_cache', 'to_bytes', 'unwrap',
+        }
+        for name in dir(urllib.parse):
+            if name.startswith('_') or name in undocumented:
+                continue
+            object = getattr(urllib.parse, name)
+            if getattr(object, '__module__', None) == 'urllib.parse':
+                expected.append(name)
+        self.assertCountEqual(urllib.parse.__all__, expected)
+
 
 class Utility_Tests(unittest.TestCase):
     """Testcase to test the various utility functions in the urllib."""
diff --git a/Lib/test/test_userdict.py b/Lib/test/test_userdict.py
index 2ca9929..c83cc55 100644
--- a/Lib/test/test_userdict.py
+++ b/Lib/test/test_userdict.py
@@ -190,10 +190,5 @@ class UserDictTest(mapping_tests.TestHashMappingProtocol):
 
 
 
-def test_main():
-    support.run_unittest(
-        UserDictTest,
-    )
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_userlist.py b/Lib/test/test_userlist.py
index 6381070..4a304df 100644
--- a/Lib/test/test_userlist.py
+++ b/Lib/test/test_userlist.py
@@ -58,8 +58,5 @@ class UserListTest(list_tests.CommonTest):
         self.assertEqual(u, v)
         self.assertEqual(type(u), type(v))
 
-def test_main():
-    support.run_unittest(UserListTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_uuid.py b/Lib/test/test_uuid.py
index 1e8cba3..fcb8454 100644
--- a/Lib/test/test_uuid.py
+++ b/Lib/test/test_uuid.py
@@ -1,9 +1,10 @@
-import unittest
+import unittest.mock
 from test import support
 import builtins
 import io
 import os
 import shutil
+import subprocess
 import uuid
 
 def importable(name):
@@ -412,28 +413,27 @@ class TestUUID(unittest.TestCase):
 class TestInternals(unittest.TestCase):
     @unittest.skipUnless(os.name == 'posix', 'requires Posix')
     def test_find_mac(self):
-        data = '''\
-
+        data = '''
 fake hwaddr
 cscotun0  Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
 eth0      Link encap:Ethernet  HWaddr 12:34:56:78:90:ab
 '''
-        def mock_popen(cmd):
-            return io.StringIO(data)
-
-        if shutil.which('ifconfig') is None:
-            path = os.pathsep.join(('/sbin', '/usr/sbin'))
-            if shutil.which('ifconfig', path=path) is None:
-                self.skipTest('requires ifconfig')
-
-        with support.swap_attr(os, 'popen', mock_popen):
-            mac = uuid._find_mac(
-                command='ifconfig',
-                args='',
-                hw_identifiers=['hwaddr'],
-                get_index=lambda x: x + 1,
-            )
-            self.assertEqual(mac, 0x1234567890ab)
+
+        popen = unittest.mock.MagicMock()
+        popen.stdout = io.BytesIO(data.encode())
+
+        with unittest.mock.patch.object(shutil, 'which',
+                                        return_value='/sbin/ifconfig'):
+            with unittest.mock.patch.object(subprocess, 'Popen',
+                                            return_value=popen):
+                mac = uuid._find_mac(
+                    command='ifconfig',
+                    args='',
+                    hw_identifiers=[b'hwaddr'],
+                    get_index=lambda x: x + 1,
+                )
+
+        self.assertEqual(mac, 0x1234567890ab)
 
     def check_node(self, node, requires=None, network=False):
         if requires and node is None:
@@ -454,6 +454,11 @@ eth0      Link encap:Ethernet  HWaddr 12:34:56:78:90:ab
         self.check_node(node, 'ifconfig', True)
 
     @unittest.skipUnless(os.name == 'posix', 'requires Posix')
+    def test_ip_getnode(self):
+        node = uuid._ip_getnode()
+        self.check_node(node, 'ip', True)
+
+    @unittest.skipUnless(os.name == 'posix', 'requires Posix')
     def test_arp_getnode(self):
         node = uuid._arp_getnode()
         self.check_node(node, 'arp', True)
diff --git a/Lib/test/test_venv.py b/Lib/test/test_venv.py
index b462588..9207a68 100644
--- a/Lib/test/test_venv.py
+++ b/Lib/test/test_venv.py
@@ -12,7 +12,7 @@ import struct
 import subprocess
 import sys
 import tempfile
-from test.support import (captured_stdout, captured_stderr, run_unittest,
+from test.support import (captured_stdout, captured_stderr,
                           can_symlink, EnvironmentVarGuard, rmtree)
 import textwrap
 import unittest
@@ -398,8 +398,5 @@ class EnsurePipTest(BaseTest):
         self.assert_pip_not_installed()
 
 
-def test_main():
-    run_unittest(BasicTest, EnsurePipTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_wait3.py b/Lib/test/test_wait3.py
index f6a065d..eb51b2c 100644
--- a/Lib/test/test_wait3.py
+++ b/Lib/test/test_wait3.py
@@ -5,7 +5,7 @@ import os
 import time
 import unittest
 from test.fork_wait import ForkWait
-from test.support import run_unittest, reap_children
+from test.support import reap_children
 
 if not hasattr(os, 'fork'):
     raise unittest.SkipTest("os.fork not defined")
@@ -18,7 +18,8 @@ class Wait3Test(ForkWait):
         # This many iterations can be required, since some previously run
         # tests (e.g. test_ctypes) could have spawned a lot of children
         # very quickly.
-        for i in range(30):
+        deadline = time.monotonic() + 10.0
+        while time.monotonic() <= deadline:
             # wait3() shouldn't hang, but some of the buildbots seem to hang
             # in the forking tests.  This is an attempt to fix the problem.
             spid, status, rusage = os.wait3(os.WNOHANG)
@@ -30,9 +31,8 @@ class Wait3Test(ForkWait):
         self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
         self.assertTrue(rusage)
 
-def test_main():
-    run_unittest(Wait3Test)
+def tearDownModule():
     reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_wait4.py b/Lib/test/test_wait4.py
index 352c11a..43869be 100644
--- a/Lib/test/test_wait4.py
+++ b/Lib/test/test_wait4.py
@@ -5,7 +5,7 @@ import os
 import time
 import sys
 from test.fork_wait import ForkWait
-from test.support import run_unittest, reap_children, get_attribute
+from test.support import reap_children, get_attribute
 
 # If either of these do not exist, skip this test.
 get_attribute(os, 'fork')
@@ -19,20 +19,20 @@ class Wait4Test(ForkWait):
             # Issue #11185: wait4 is broken on AIX and will always return 0
             # with WNOHANG.
             option = 0
-        for i in range(10):
+        deadline = time.monotonic() + 10.0
+        while time.monotonic() <= deadline:
             # wait4() shouldn't hang, but some of the buildbots seem to hang
             # in the forking tests.  This is an attempt to fix the problem.
             spid, status, rusage = os.wait4(cpid, option)
             if spid == cpid:
                 break
-            time.sleep(1.0)
+            time.sleep(0.1)
         self.assertEqual(spid, cpid)
         self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
         self.assertTrue(rusage)
 
-def test_main():
-    run_unittest(Wait4Test)
+def tearDownModule():
     reap_children()
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py
index fb01b83..303ca71 100644
--- a/Lib/test/test_warnings.py
+++ b/Lib/test/test_warnings.py
@@ -5,7 +5,7 @@ from io import StringIO
 import sys
 import unittest
 from test import support
-from test.script_helper import assert_python_ok
+from test.script_helper import assert_python_ok, assert_python_failure
 
 from test import warning_tests
 
@@ -432,6 +432,44 @@ class WarnTests(BaseTest):
         with self.assertRaises(ValueError):
             self.module.warn(BadStrWarning())
 
+    def test_warning_classes(self):
+        class MyWarningClass(Warning):
+            pass
+
+        class NonWarningSubclass:
+            pass
+
+        # passing a non-subclass of Warning should raise a TypeError
+        with self.assertRaises(TypeError) as cm:
+            self.module.warn('bad warning category', '')
+        self.assertIn('category must be a Warning subclass, not ',
+                      str(cm.exception))
+
+        with self.assertRaises(TypeError) as cm:
+            self.module.warn('bad warning category', NonWarningSubclass)
+        self.assertIn('category must be a Warning subclass, not ',
+                      str(cm.exception))
+
+        # check that warning instances also raise a TypeError
+        with self.assertRaises(TypeError) as cm:
+            self.module.warn('bad warning category', MyWarningClass())
+        self.assertIn('category must be a Warning subclass, not ',
+                      str(cm.exception))
+
+        with original_warnings.catch_warnings(module=self.module):
+            self.module.resetwarnings()
+            self.module.filterwarnings('default')
+            with self.assertWarns(MyWarningClass) as cm:
+                self.module.warn('good warning category', MyWarningClass)
+            self.assertEqual('good warning category', str(cm.warning))
+
+            with self.assertWarns(UserWarning) as cm:
+                self.module.warn('good warning category', None)
+            self.assertEqual('good warning category', str(cm.warning))
+
+            with self.assertWarns(MyWarningClass) as cm:
+                self.module.warn('good warning category', MyWarningClass)
+            self.assertIsInstance(cm.warning, Warning)
 
 class CWarnTests(WarnTests, unittest.TestCase):
     module = c_warnings
@@ -821,7 +859,19 @@ class EnvironmentVariableTests(BaseTest):
             "import sys; sys.stdout.write(str(sys.warnoptions))",
             PYTHONWARNINGS="ignore::DeprecationWarning")
         self.assertEqual(stdout,
-            b"['ignore::UnicodeWarning', 'ignore::DeprecationWarning']")
+            b"['ignore::DeprecationWarning', 'ignore::UnicodeWarning']")
+
+    def test_conflicting_envvar_and_command_line(self):
+        rc, stdout, stderr = assert_python_failure("-Werror::DeprecationWarning", "-c",
+            "import sys, warnings; sys.stdout.write(str(sys.warnoptions)); "
+            "warnings.warn('Message', DeprecationWarning)",
+            PYTHONWARNINGS="default::DeprecationWarning")
+        self.assertEqual(stdout,
+            b"['default::DeprecationWarning', 'error::DeprecationWarning']")
+        self.assertEqual(stderr.splitlines(),
+            [b"Traceback (most recent call last):",
+             b"  File \"<string>\", line 1, in <module>",
+             b"DeprecationWarning: Message"])
 
     @unittest.skipUnless(sys.getfilesystemencoding() != 'ascii',
                          'requires non-ascii filesystemencoding')
diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index 3e7347c..e735376 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -92,6 +92,18 @@ class ReferencesTestCase(TestBase):
         self.check_basic_callback(create_function)
         self.check_basic_callback(create_bound_method)
 
+    @support.cpython_only
+    def test_cfunction(self):
+        import _testcapi
+        create_cfunction = _testcapi.create_cfunction
+        f = create_cfunction()
+        wr = weakref.ref(f)
+        self.assertIs(wr(), f)
+        del f
+        self.assertIsNone(wr())
+        self.check_basic_ref(create_cfunction)
+        self.check_basic_callback(create_cfunction)
+
     def test_multiple_callbacks(self):
         o = C()
         ref1 = weakref.ref(o, self.callback)
@@ -1574,6 +1586,14 @@ class MappingTestCase(TestBase):
         self.assertEqual(len(d), 0)
         self.assertEqual(count, 2)
 
+    def test_make_weak_valued_dict_repr(self):
+        dict = weakref.WeakValueDictionary()
+        self.assertRegex(repr(dict), '<WeakValueDictionary at 0x.*>')
+
+    def test_make_weak_keyed_dict_repr(self):
+        dict = weakref.WeakKeyDictionary()
+        self.assertRegex(repr(dict), '<WeakKeyDictionary at 0x.*>')
+
 from test import mapping_tests
 
 class WeakValueDictionaryTestCase(mapping_tests.BasicTestMappingProtocol):
diff --git a/Lib/test/test_weakset.py b/Lib/test/test_weakset.py
index fb22879..9ce672b 100644
--- a/Lib/test/test_weakset.py
+++ b/Lib/test/test_weakset.py
@@ -1,5 +1,4 @@
 import unittest
-from test import support
 from weakref import proxy, ref, WeakSet
 import operator
 import copy
@@ -443,8 +442,5 @@ class TestWeakSet(unittest.TestCase):
             self.assertLessEqual(n2, n1)
 
 
-def test_main(verbose=None):
-    support.run_unittest(TestWeakSet)
-
 if __name__ == "__main__":
-    test_main(verbose=True)
+    unittest.main()
diff --git a/Lib/test/test_winsound.py b/Lib/test/test_winsound.py
index 83618b6..7afb24b 100644
--- a/Lib/test/test_winsound.py
+++ b/Lib/test/test_winsound.py
@@ -246,8 +246,5 @@ def _have_soundcard():
     return __have_soundcard_cache
 
 
-def test_main():
-    support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
-
-if __name__=="__main__":
-    test_main()
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_with.py b/Lib/test/test_with.py
index 7068a80..fcd28f6 100644
--- a/Lib/test/test_with.py
+++ b/Lib/test/test_with.py
@@ -8,7 +8,6 @@ import sys
 import unittest
 from collections import deque
 from contextlib import _GeneratorContextManager, contextmanager
-from test.support import run_unittest
 
 
 class MockContextManager(_GeneratorContextManager):
@@ -737,14 +736,5 @@ class NestedWith(unittest.TestCase):
             self.assertEqual(10, b1)
             self.assertEqual(20, b2)
 
-def test_main():
-    run_unittest(FailureTestCase, NonexceptionalTestCase,
-                 NestedNonexceptionalTestCase, ExceptionalTestCase,
-                 NonLocalFlowControlTestCase,
-                 AssignmentTargetTestCase,
-                 ExitSwallowsExceptionTestCase,
-                 NestedWith)
-
-
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_wsgiref.py b/Lib/test/test_wsgiref.py
index 5704fc7..112a1b9 100644
--- a/Lib/test/test_wsgiref.py
+++ b/Lib/test/test_wsgiref.py
@@ -368,6 +368,7 @@ class HeaderTests(TestCase):
 
     def testMappingInterface(self):
         test = [('x','y')]
+        self.assertEqual(len(Headers()), 0)
         self.assertEqual(len(Headers([])),0)
         self.assertEqual(len(Headers(test[:])),1)
         self.assertEqual(Headers(test[:]).keys(), ['x'])
@@ -375,7 +376,7 @@ class HeaderTests(TestCase):
         self.assertEqual(Headers(test[:]).items(), test)
         self.assertIsNot(Headers(test).items(), test)  # must be copy!
 
-        h=Headers([])
+        h = Headers()
         del h['foo']   # should not raise an error
 
         h['Foo'] = 'bar'
@@ -400,9 +401,8 @@ class HeaderTests(TestCase):
     def testRequireList(self):
         self.assertRaises(TypeError, Headers, "foo")
 
-
     def testExtras(self):
-        h = Headers([])
+        h = Headers()
         self.assertEqual(str(h),'\r\n')
 
         h.add_header('foo','bar',baz="spam")
@@ -658,8 +658,5 @@ class HandlerTests(TestCase):
         self.assertEqual(side_effects['close_called'], True)
 
 
-def test_main():
-    support.run_unittest(__name__)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_xdrlib.py b/Lib/test/test_xdrlib.py
index 70496d6..3df5f26 100644
--- a/Lib/test/test_xdrlib.py
+++ b/Lib/test/test_xdrlib.py
@@ -1,4 +1,3 @@
-from test import support
 import unittest
 
 import xdrlib
@@ -74,9 +73,5 @@ class ConversionErrorTest(unittest.TestCase):
     def test_uhyper(self):
         self.assertRaisesConversion(self.packer.pack_uhyper, 'string')
 
-def test_main():
-    support.run_unittest(XDRTest)
-    support.run_unittest(ConversionErrorTest)
-
 if __name__ == "__main__":
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_xml_etree_c.py b/Lib/test/test_xml_etree_c.py
index 816aa86..d0df38d 100644
--- a/Lib/test/test_xml_etree_c.py
+++ b/Lib/test/test_xml_etree_c.py
@@ -55,7 +55,7 @@ class SizeofTest(unittest.TestCase):
     def setUp(self):
         self.elementsize = support.calcobjsize('5P')
         # extra
-        self.extra = struct.calcsize('PiiP4P')
+        self.extra = struct.calcsize('PnnP4P')
 
     check_sizeof = support.check_sizeof
 
diff --git a/Lib/test/test_xmlrpc.py b/Lib/test/test_xmlrpc.py
index 7ae0dce..9880f4a 100644
--- a/Lib/test/test_xmlrpc.py
+++ b/Lib/test/test_xmlrpc.py
@@ -287,7 +287,7 @@ class DateTimeTestCase(unittest.TestCase):
     def test_repr(self):
         d = datetime.datetime(2007,1,2,3,4,5)
         t = xmlrpclib.DateTime(d)
-        val ="<DateTime '20070102T03:04:05' at %x>" % id(t)
+        val ="<DateTime '20070102T03:04:05' at %#x>" % id(t)
         self.assertEqual(repr(t), val)
 
     def test_decode(self):
@@ -713,6 +713,23 @@ class SimpleServerTestCase(BaseServerTestCase):
         conn.request('POST', '/RPC2 HTTP/1.0\r\nContent-Length: 100\r\n\r\nbye')
         conn.close()
 
+    def test_context_manager(self):
+        with xmlrpclib.ServerProxy(URL) as server:
+            server.add(2, 3)
+            self.assertNotEqual(server('transport')._connection,
+                                (None, None))
+        self.assertEqual(server('transport')._connection,
+                         (None, None))
+
+    def test_context_manager_method_error(self):
+        try:
+            with xmlrpclib.ServerProxy(URL) as server:
+                server.add(2, "a")
+        except xmlrpclib.Fault:
+            pass
+        self.assertEqual(server('transport')._connection,
+                         (None, None))
+
 
 class MultiPathServerTestCase(BaseServerTestCase):
     threadFunc = staticmethod(http_multi_server)
@@ -919,6 +936,7 @@ class ServerProxyTestCase(unittest.TestCase):
         p = xmlrpclib.ServerProxy(self.url, transport=t)
         self.assertEqual(p('transport'), t)
 
+
 # This is a contrived way to make a failure occur on the server side
 # in order to test the _send_traceback_header flag on the server
 class FailingMessageClass(http.client.HTTPMessage):
diff --git a/Lib/test/test_zipapp.py b/Lib/test/test_zipapp.py
new file mode 100644
index 0000000..9734380
--- /dev/null
+++ b/Lib/test/test_zipapp.py
@@ -0,0 +1,349 @@
+"""Test harness for the zipapp module."""
+
+import io
+import pathlib
+import stat
+import sys
+import tempfile
+import unittest
+import zipapp
+import zipfile
+
+from unittest.mock import patch
+
+class ZipAppTest(unittest.TestCase):
+
+    """Test zipapp module functionality."""
+
+    def setUp(self):
+        tmpdir = tempfile.TemporaryDirectory()
+        self.addCleanup(tmpdir.cleanup)
+        self.tmpdir = pathlib.Path(tmpdir.name)
+
+    def test_create_archive(self):
+        # Test packing a directory.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target))
+        self.assertTrue(target.is_file())
+
+    def test_create_archive_with_pathlib(self):
+        # Test packing a directory using Path objects for source and target.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(source, target)
+        self.assertTrue(target.is_file())
+
+    def test_create_archive_with_subdirs(self):
+        # Test packing a directory includes entries for subdirectories.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        (source / 'foo').mkdir()
+        (source / 'bar').mkdir()
+        (source / 'foo' / '__init__.py').touch()
+        target = io.BytesIO()
+        zipapp.create_archive(str(source), target)
+        target.seek(0)
+        with zipfile.ZipFile(target, 'r') as z:
+            self.assertIn('foo/', z.namelist())
+            self.assertIn('bar/', z.namelist())
+
+    def test_create_archive_default_target(self):
+        # Test packing a directory to the default name.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        zipapp.create_archive(str(source))
+        expected_target = self.tmpdir / 'source.pyz'
+        self.assertTrue(expected_target.is_file())
+
+    def test_no_main(self):
+        # Test that packing a directory with no __main__.py fails.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / 'foo.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        with self.assertRaises(zipapp.ZipAppError):
+            zipapp.create_archive(str(source), str(target))
+
+    def test_main_and_main_py(self):
+        # Test that supplying a main argument with __main__.py fails.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        with self.assertRaises(zipapp.ZipAppError):
+            zipapp.create_archive(str(source), str(target), main='pkg.mod:fn')
+
+    def test_main_written(self):
+        # Test that the __main__.py is written correctly.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / 'foo.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), main='pkg.mod:fn')
+        with zipfile.ZipFile(str(target), 'r') as z:
+            self.assertIn('__main__.py', z.namelist())
+            self.assertIn(b'pkg.mod.fn()', z.read('__main__.py'))
+
+    def test_main_only_written_once(self):
+        # Test that we don't write multiple __main__.py files.
+        # The initial implementation had this bug; zip files allow
+        # multiple entries with the same name
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        # Write 2 files, as the original bug wrote __main__.py
+        # once for each file written :-(
+        # See http://bugs.python.org/review/23491/diff/13982/Lib/zipapp.py#newcode67Lib/zipapp.py:67
+        # (line 67)
+        (source / 'foo.py').touch()
+        (source / 'bar.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), main='pkg.mod:fn')
+        with zipfile.ZipFile(str(target), 'r') as z:
+            self.assertEqual(1, z.namelist().count('__main__.py'))
+
+    def test_main_validation(self):
+        # Test that invalid values for main are rejected.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        target = self.tmpdir / 'source.pyz'
+        problems = [
+            '', 'foo', 'foo:', ':bar', '12:bar', 'a.b.c.:d',
+            '.a:b', 'a:b.', 'a:.b', 'a:silly name'
+        ]
+        for main in problems:
+            with self.subTest(main=main):
+                with self.assertRaises(zipapp.ZipAppError):
+                    zipapp.create_archive(str(source), str(target), main=main)
+
+    def test_default_no_shebang(self):
+        # Test that no shebang line is written to the target by default.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target))
+        with target.open('rb') as f:
+            self.assertNotEqual(f.read(2), b'#!')
+
+    def test_custom_interpreter(self):
+        # Test that a shebang line with a custom interpreter is written
+        # correctly.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter='python')
+        with target.open('rb') as f:
+            self.assertEqual(f.read(2), b'#!')
+            self.assertEqual(b'python\n', f.readline())
+
+    def test_pack_to_fileobj(self):
+        # Test that we can pack to a file object.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = io.BytesIO()
+        zipapp.create_archive(str(source), target, interpreter='python')
+        self.assertTrue(target.getvalue().startswith(b'#!python\n'))
+
+    def test_read_shebang(self):
+        # Test that we can read the shebang line correctly.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter='python')
+        self.assertEqual(zipapp.get_interpreter(str(target)), 'python')
+
+    def test_read_missing_shebang(self):
+        # Test that reading the shebang line of a file without one returns None.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target))
+        self.assertEqual(zipapp.get_interpreter(str(target)), None)
+
+    def test_modify_shebang(self):
+        # Test that we can change the shebang of a file.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter='python')
+        new_target = self.tmpdir / 'changed.pyz'
+        zipapp.create_archive(str(target), str(new_target), interpreter='python2.7')
+        self.assertEqual(zipapp.get_interpreter(str(new_target)), 'python2.7')
+
+    def test_write_shebang_to_fileobj(self):
+        # Test that we can change the shebang of a file, writing the result to a
+        # file object.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter='python')
+        new_target = io.BytesIO()
+        zipapp.create_archive(str(target), new_target, interpreter='python2.7')
+        self.assertTrue(new_target.getvalue().startswith(b'#!python2.7\n'))
+
+    def test_read_from_pathobj(self):
+        # Test that we can copy an archive using an pathlib.Path object
+        # for the source.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target1 = self.tmpdir / 'target1.pyz'
+        target2 = self.tmpdir / 'target2.pyz'
+        zipapp.create_archive(source, target1, interpreter='python')
+        zipapp.create_archive(target1, target2, interpreter='python2.7')
+        self.assertEqual(zipapp.get_interpreter(target2), 'python2.7')
+
+    def test_read_from_fileobj(self):
+        # Test that we can copy an archive using an open file object.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        temp_archive = io.BytesIO()
+        zipapp.create_archive(str(source), temp_archive, interpreter='python')
+        new_target = io.BytesIO()
+        temp_archive.seek(0)
+        zipapp.create_archive(temp_archive, new_target, interpreter='python2.7')
+        self.assertTrue(new_target.getvalue().startswith(b'#!python2.7\n'))
+
+    def test_remove_shebang(self):
+        # Test that we can remove the shebang from a file.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter='python')
+        new_target = self.tmpdir / 'changed.pyz'
+        zipapp.create_archive(str(target), str(new_target), interpreter=None)
+        self.assertEqual(zipapp.get_interpreter(str(new_target)), None)
+
+    def test_content_of_copied_archive(self):
+        # Test that copying an archive doesn't corrupt it.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = io.BytesIO()
+        zipapp.create_archive(str(source), target, interpreter='python')
+        new_target = io.BytesIO()
+        target.seek(0)
+        zipapp.create_archive(target, new_target, interpreter=None)
+        new_target.seek(0)
+        with zipfile.ZipFile(new_target, 'r') as z:
+            self.assertEqual(set(z.namelist()), {'__main__.py'})
+
+    # (Unix only) tests that archives with shebang lines are made executable
+    @unittest.skipIf(sys.platform == 'win32',
+                     'Windows does not support an executable bit')
+    def test_shebang_is_executable(self):
+        # Test that an archive with a shebang line is made executable.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter='python')
+        self.assertTrue(target.stat().st_mode & stat.S_IEXEC)
+
+    @unittest.skipIf(sys.platform == 'win32',
+                     'Windows does not support an executable bit')
+    def test_no_shebang_is_not_executable(self):
+        # Test that an archive with no shebang line is not made executable.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(str(source), str(target), interpreter=None)
+        self.assertFalse(target.stat().st_mode & stat.S_IEXEC)
+
+
+class ZipAppCmdlineTest(unittest.TestCase):
+
+    """Test zipapp module command line API."""
+
+    def setUp(self):
+        tmpdir = tempfile.TemporaryDirectory()
+        self.addCleanup(tmpdir.cleanup)
+        self.tmpdir = pathlib.Path(tmpdir.name)
+
+    def make_archive(self):
+        # Test that an archive with no shebang line is not made executable.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        target = self.tmpdir / 'source.pyz'
+        zipapp.create_archive(source, target)
+        return target
+
+    def test_cmdline_create(self):
+        # Test the basic command line API.
+        source = self.tmpdir / 'source'
+        source.mkdir()
+        (source / '__main__.py').touch()
+        args = [str(source)]
+        zipapp.main(args)
+        target = source.with_suffix('.pyz')
+        self.assertTrue(target.is_file())
+
+    def test_cmdline_copy(self):
+        # Test copying an archive.
+        original = self.make_archive()
+        target = self.tmpdir / 'target.pyz'
+        args = [str(original), '-o', str(target)]
+        zipapp.main(args)
+        self.assertTrue(target.is_file())
+
+    def test_cmdline_copy_inplace(self):
+        # Test copying an archive in place fails.
+        original = self.make_archive()
+        target = self.tmpdir / 'target.pyz'
+        args = [str(original), '-o', str(original)]
+        with self.assertRaises(SystemExit) as cm:
+            zipapp.main(args)
+        # Program should exit with a non-zero returm code.
+        self.assertTrue(cm.exception.code)
+
+    def test_cmdline_copy_change_main(self):
+        # Test copying an archive doesn't allow changing __main__.py.
+        original = self.make_archive()
+        target = self.tmpdir / 'target.pyz'
+        args = [str(original), '-o', str(target), '-m', 'foo:bar']
+        with self.assertRaises(SystemExit) as cm:
+            zipapp.main(args)
+        # Program should exit with a non-zero returm code.
+        self.assertTrue(cm.exception.code)
+
+    @patch('sys.stdout', new_callable=io.StringIO)
+    def test_info_command(self, mock_stdout):
+        # Test the output of the info command.
+        target = self.make_archive()
+        args = [str(target), '--info']
+        with self.assertRaises(SystemExit) as cm:
+            zipapp.main(args)
+        # Program should exit with a zero returm code.
+        self.assertEqual(cm.exception.code, 0)
+        self.assertEqual(mock_stdout.getvalue(), "Interpreter: <none>\n")
+
+    def test_info_error(self):
+        # Test the info command fails when the archive does not exist.
+        target = self.tmpdir / 'dummy.pyz'
+        args = [str(target), '--info']
+        with self.assertRaises(SystemExit) as cm:
+            zipapp.main(args)
+        # Program should exit with a non-zero returm code.
+        self.assertTrue(cm.exception.code)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 3d8f9bc..aa8c463 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -330,6 +330,37 @@ class AbstractTestsWithSourceFile:
                     while zipopen.read1(100):
                         pass
 
+    def test_repr(self):
+        fname = 'file.name'
+        for f in get_files(self):
+            with zipfile.ZipFile(f, 'w', self.compression) as zipfp:
+                zipfp.write(TESTFN, fname)
+                r = repr(zipfp)
+                self.assertIn("mode='w'", r)
+
+            with zipfile.ZipFile(f, 'r') as zipfp:
+                r = repr(zipfp)
+                if isinstance(f, str):
+                    self.assertIn('filename=%r' % f, r)
+                else:
+                    self.assertIn('file=%r' % f, r)
+                self.assertIn("mode='r'", r)
+                r = repr(zipfp.getinfo(fname))
+                self.assertIn('filename=%r' % fname, r)
+                self.assertIn('filemode=', r)
+                self.assertIn('file_size=', r)
+                if self.compression != zipfile.ZIP_STORED:
+                    self.assertIn('compress_type=', r)
+                    self.assertIn('compress_size=', r)
+                with zipfp.open(fname) as zipopen:
+                    r = repr(zipopen)
+                    self.assertIn('name=%r' % fname, r)
+                    self.assertIn("mode='r'", r)
+                    if self.compression != zipfile.ZIP_STORED:
+                        self.assertIn('compress_type=', r)
+                self.assertIn('[closed]', repr(zipopen))
+            self.assertIn('[closed]', repr(zipfp))
+
     def tearDown(self):
         unlink(TESTFN)
         unlink(TESTFN2)
@@ -658,7 +689,7 @@ class PyZipFileTests(unittest.TestCase):
         self.requiresWriteAccess(os.path.dirname(__file__))
         with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             fn = __file__
-            if fn.endswith('.pyc') or fn.endswith('.pyo'):
+            if fn.endswith('.pyc'):
                 path_split = fn.split(os.sep)
                 if os.altsep is not None:
                     path_split.extend(fn.split(os.altsep))
@@ -675,7 +706,7 @@ class PyZipFileTests(unittest.TestCase):
 
         with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             fn = __file__
-            if fn.endswith(('.pyc', '.pyo')):
+            if fn.endswith('.pyc'):
                 fn = fn[:-1]
 
             zipfp.writepy(fn, "testpackage")
@@ -731,10 +762,8 @@ class PyZipFileTests(unittest.TestCase):
         import email
         packagedir = os.path.dirname(email.__file__)
         self.requiresWriteAccess(packagedir)
-        # use .pyc if running test in optimization mode,
-        # use .pyo if running test in debug mode
         optlevel = 1 if __debug__ else 0
-        ext = '.pyo' if optlevel == 1 else '.pyc'
+        ext = '.pyc'
 
         with TemporaryFile() as t, \
              zipfile.PyZipFile(t, "w", optimize=optlevel) as zipfp:
@@ -808,11 +837,10 @@ class PyZipFileTests(unittest.TestCase):
                 self.assertIn("SyntaxError", s.getvalue())
 
                 # as it will not have compiled the python file, it will
-                # include the .py file not .pyc or .pyo
+                # include the .py file not .pyc
                 names = zipfp.namelist()
                 self.assertIn('mod1.py', names)
                 self.assertNotIn('mod1.pyc', names)
-                self.assertNotIn('mod1.pyo', names)
 
         finally:
             rmtree(TESTFN2)
@@ -1073,6 +1101,19 @@ class OtherTests(unittest.TestCase):
             self.assertEqual(zf.filelist[0].filename, "foo.txt")
             self.assertEqual(zf.filelist[1].filename, "\xf6.txt")
 
+    def test_exclusive_create_zip_file(self):
+        """Test exclusive creating a new zipfile."""
+        unlink(TESTFN2)
+        filename = 'testfile.txt'
+        content = b'hello, world. this is some content.'
+        with zipfile.ZipFile(TESTFN2, "x", zipfile.ZIP_STORED) as zipfp:
+            zipfp.writestr(filename, content)
+        with self.assertRaises(FileExistsError):
+            zipfile.ZipFile(TESTFN2, "x", zipfile.ZIP_STORED)
+        with zipfile.ZipFile(TESTFN2, "r") as zipfp:
+            self.assertEqual(zipfp.namelist(), [filename])
+            self.assertEqual(zipfp.read(filename), content)
+
     def test_create_non_existent_file_for_append(self):
         if os.path.exists(TESTFN):
             os.unlink(TESTFN)
@@ -1647,6 +1688,72 @@ class LzmaTestsWithRandomBinaryFiles(AbstractTestsWithRandomBinaryFiles,
     compression = zipfile.ZIP_LZMA
 
 
+# Privide the tell() method but not seek()
+class Tellable:
+    def __init__(self, fp):
+        self.fp = fp
+        self.offset = 0
+
+    def write(self, data):
+        n = self.fp.write(data)
+        self.offset += n
+        return n
+
+    def tell(self):
+        return self.offset
+
+    def flush(self):
+        self.fp.flush()
+
+class Unseekable:
+    def __init__(self, fp):
+        self.fp = fp
+
+    def write(self, data):
+        return self.fp.write(data)
+
+    def flush(self):
+        self.fp.flush()
+
+class UnseekableTests(unittest.TestCase):
+    def test_writestr(self):
+        for wrapper in (lambda f: f), Tellable, Unseekable:
+            with self.subTest(wrapper=wrapper):
+                f = io.BytesIO()
+                f.write(b'abc')
+                bf = io.BufferedWriter(f)
+                with zipfile.ZipFile(wrapper(bf), 'w', zipfile.ZIP_STORED) as zipfp:
+                    zipfp.writestr('ones', b'111')
+                    zipfp.writestr('twos', b'222')
+                self.assertEqual(f.getvalue()[:5], b'abcPK')
+                with zipfile.ZipFile(f, mode='r') as zipf:
+                    with zipf.open('ones') as zopen:
+                        self.assertEqual(zopen.read(), b'111')
+                    with zipf.open('twos') as zopen:
+                        self.assertEqual(zopen.read(), b'222')
+
+    def test_write(self):
+        for wrapper in (lambda f: f), Tellable, Unseekable:
+            with self.subTest(wrapper=wrapper):
+                f = io.BytesIO()
+                f.write(b'abc')
+                bf = io.BufferedWriter(f)
+                with zipfile.ZipFile(wrapper(bf), 'w', zipfile.ZIP_STORED) as zipfp:
+                    self.addCleanup(unlink, TESTFN)
+                    with open(TESTFN, 'wb') as f2:
+                        f2.write(b'111')
+                    zipfp.write(TESTFN, 'ones')
+                    with open(TESTFN, 'wb') as f2:
+                        f2.write(b'222')
+                    zipfp.write(TESTFN, 'twos')
+                self.assertEqual(f.getvalue()[:5], b'abcPK')
+                with zipfile.ZipFile(f, mode='r') as zipf:
+                    with zipf.open('ones') as zopen:
+                        self.assertEqual(zopen.read(), b'111')
+                    with zipf.open('twos') as zopen:
+                        self.assertEqual(zopen.read(), b'222')
+
+
 @requires_zlib
 class TestsWithMultipleOpens(unittest.TestCase):
     @classmethod
@@ -1663,35 +1770,52 @@ class TestsWithMultipleOpens(unittest.TestCase):
     def test_same_file(self):
         # Verify that (when the ZipFile is in control of creating file objects)
         # multiple open() calls can be made without interfering with each other.
-        self.make_test_archive(TESTFN2)
-        with zipfile.ZipFile(TESTFN2, mode="r") as zipf:
-            with zipf.open('ones') as zopen1, zipf.open('ones') as zopen2:
-                data1 = zopen1.read(500)
-                data2 = zopen2.read(500)
-                data1 += zopen1.read()
-                data2 += zopen2.read()
-            self.assertEqual(data1, data2)
-            self.assertEqual(data1, self.data1)
+        for f in get_files(self):
+            self.make_test_archive(f)
+            with zipfile.ZipFile(f, mode="r") as zipf:
+                with zipf.open('ones') as zopen1, zipf.open('ones') as zopen2:
+                    data1 = zopen1.read(500)
+                    data2 = zopen2.read(500)
+                    data1 += zopen1.read()
+                    data2 += zopen2.read()
+                self.assertEqual(data1, data2)
+                self.assertEqual(data1, self.data1)
 
     def test_different_file(self):
         # Verify that (when the ZipFile is in control of creating file objects)
         # multiple open() calls can be made without interfering with each other.
-        self.make_test_archive(TESTFN2)
-        with zipfile.ZipFile(TESTFN2, mode="r") as zipf:
-            with zipf.open('ones') as zopen1, zipf.open('twos') as zopen2:
-                data1 = zopen1.read(500)
-                data2 = zopen2.read(500)
-                data1 += zopen1.read()
-                data2 += zopen2.read()
-            self.assertEqual(data1, self.data1)
-            self.assertEqual(data2, self.data2)
+        for f in get_files(self):
+            self.make_test_archive(f)
+            with zipfile.ZipFile(f, mode="r") as zipf:
+                with zipf.open('ones') as zopen1, zipf.open('twos') as zopen2:
+                    data1 = zopen1.read(500)
+                    data2 = zopen2.read(500)
+                    data1 += zopen1.read()
+                    data2 += zopen2.read()
+                self.assertEqual(data1, self.data1)
+                self.assertEqual(data2, self.data2)
 
     def test_interleaved(self):
         # Verify that (when the ZipFile is in control of creating file objects)
         # multiple open() calls can be made without interfering with each other.
-        self.make_test_archive(TESTFN2)
-        with zipfile.ZipFile(TESTFN2, mode="r") as zipf:
-            with zipf.open('ones') as zopen1, zipf.open('twos') as zopen2:
+        for f in get_files(self):
+            self.make_test_archive(f)
+            with zipfile.ZipFile(f, mode="r") as zipf:
+                with zipf.open('ones') as zopen1, zipf.open('twos') as zopen2:
+                    data1 = zopen1.read(500)
+                    data2 = zopen2.read(500)
+                    data1 += zopen1.read()
+                    data2 += zopen2.read()
+                self.assertEqual(data1, self.data1)
+                self.assertEqual(data2, self.data2)
+
+    def test_read_after_close(self):
+        for f in get_files(self):
+            self.make_test_archive(f)
+            with contextlib.ExitStack() as stack:
+                with zipfile.ZipFile(f, 'r') as zipf:
+                    zopen1 = stack.enter_context(zipf.open('ones'))
+                    zopen2 = stack.enter_context(zipf.open('twos'))
                 data1 = zopen1.read(500)
                 data2 = zopen2.read(500)
                 data1 += zopen1.read()
@@ -1699,43 +1823,32 @@ class TestsWithMultipleOpens(unittest.TestCase):
             self.assertEqual(data1, self.data1)
             self.assertEqual(data2, self.data2)
 
-    def test_read_after_close(self):
-        self.make_test_archive(TESTFN2)
-        with contextlib.ExitStack() as stack:
-            with zipfile.ZipFile(TESTFN2, 'r') as zipf:
-                zopen1 = stack.enter_context(zipf.open('ones'))
-                zopen2 = stack.enter_context(zipf.open('twos'))
-            data1 = zopen1.read(500)
-            data2 = zopen2.read(500)
-            data1 += zopen1.read()
-            data2 += zopen2.read()
-        self.assertEqual(data1, self.data1)
-        self.assertEqual(data2, self.data2)
-
     def test_read_after_write(self):
-        with zipfile.ZipFile(TESTFN2, 'w', zipfile.ZIP_DEFLATED) as zipf:
-            zipf.writestr('ones', self.data1)
-            zipf.writestr('twos', self.data2)
-            with zipf.open('ones') as zopen1:
-                data1 = zopen1.read(500)
-        self.assertEqual(data1, self.data1[:500])
-        with zipfile.ZipFile(TESTFN2, 'r') as zipf:
-            data1 = zipf.read('ones')
-            data2 = zipf.read('twos')
-        self.assertEqual(data1, self.data1)
-        self.assertEqual(data2, self.data2)
+        for f in get_files(self):
+            with zipfile.ZipFile(f, 'w', zipfile.ZIP_DEFLATED) as zipf:
+                zipf.writestr('ones', self.data1)
+                zipf.writestr('twos', self.data2)
+                with zipf.open('ones') as zopen1:
+                    data1 = zopen1.read(500)
+            self.assertEqual(data1, self.data1[:500])
+            with zipfile.ZipFile(f, 'r') as zipf:
+                data1 = zipf.read('ones')
+                data2 = zipf.read('twos')
+            self.assertEqual(data1, self.data1)
+            self.assertEqual(data2, self.data2)
 
     def test_write_after_read(self):
-        with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_DEFLATED) as zipf:
-            zipf.writestr('ones', self.data1)
-            with zipf.open('ones') as zopen1:
-                zopen1.read(500)
-                zipf.writestr('twos', self.data2)
-        with zipfile.ZipFile(TESTFN2, 'r') as zipf:
-            data1 = zipf.read('ones')
-            data2 = zipf.read('twos')
-        self.assertEqual(data1, self.data1)
-        self.assertEqual(data2, self.data2)
+        for f in get_files(self):
+            with zipfile.ZipFile(f, "w", zipfile.ZIP_DEFLATED) as zipf:
+                zipf.writestr('ones', self.data1)
+                with zipf.open('ones') as zopen1:
+                    zopen1.read(500)
+                    zipf.writestr('twos', self.data2)
+            with zipfile.ZipFile(f, 'r') as zipf:
+                data1 = zipf.read('ones')
+                data2 = zipf.read('twos')
+            self.assertEqual(data1, self.data1)
+            self.assertEqual(data2, self.data2)
 
     def test_many_opens(self):
         # Verify that read() and open() promptly close the file descriptor,
diff --git a/Lib/test/test_zipimport.py b/Lib/test/test_zipimport.py
index 1e351c8..a97a778 100644
--- a/Lib/test/test_zipimport.py
+++ b/Lib/test/test_zipimport.py
@@ -51,7 +51,7 @@ TESTPACK2 = "ziptestpackage2"
 TEMP_ZIP = os.path.abspath("junk95142.zip")
 
 pyc_file = importlib.util.cache_from_source(TESTMOD + '.py')
-pyc_ext = ('.pyc' if __debug__ else '.pyo')
+pyc_ext = '.pyc'
 
 
 class ImportHooksBaseTestCase(unittest.TestCase):
@@ -450,7 +450,9 @@ class BadFileZipImportTestCase(unittest.TestCase):
         fd = os.open(TESTMOD, os.O_CREAT, 000)
         try:
             os.close(fd)
-            self.assertZipFailure(TESTMOD)
+
+            with self.assertRaises(zipimport.ZipImportError) as cm:
+                zipimport.zipimporter(TESTMOD)
         finally:
             # If we leave "the read-only bit" set on Windows, nothing can
             # delete TESTMOD, and later tests suffer bogus failures.
diff --git a/Lib/test/test_zipimport_support.py b/Lib/test/test_zipimport_support.py
index 66c3557..ed4c242 100644
--- a/Lib/test/test_zipimport_support.py
+++ b/Lib/test/test_zipimport_support.py
@@ -39,7 +39,7 @@ def _run_object_doctest(obj, module):
     # Use the object's fully qualified name if it has one
     # Otherwise, use the module's name
     try:
-        name = "%s.%s" % (obj.__module__, obj.__name__)
+        name = "%s.%s" % (obj.__module__, obj.__qualname__)
     except AttributeError:
         name = module.__name__
     for example in finder.find(obj, name, module):
@@ -238,9 +238,8 @@ class ZipSupportTests(unittest.TestCase):
             self.assertIn(os.path.normcase(run_name.encode('utf-8')), data)
 
 
-def test_main():
-    test.support.run_unittest(ZipSupportTests)
+def tearDownModule():
     test.support.reap_children()
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index 1daa8f8..bd935ed 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -710,16 +710,5 @@ LAERTES
 """
 
 
-def test_main():
-    support.run_unittest(
-        VersionTestCase,
-        ChecksumTestCase,
-        ChecksumBigBufferTestCase,
-        ExceptionTestCase,
-        CompressTestCase,
-        CompressObjectTestCase
-    )
-
 if __name__ == "__main__":
-    unittest.main() # XXX
-    ###test_main()
+    unittest.main()
diff --git a/Lib/test/tf_inherit_check.py b/Lib/test/tf_inherit_check.py
index afe50d2..138f25a 100644
--- a/Lib/test/tf_inherit_check.py
+++ b/Lib/test/tf_inherit_check.py
@@ -4,22 +4,24 @@
 
 import sys
 import os
+from test.support import SuppressCrashReport
 
-verbose = (sys.argv[1] == 'v')
-try:
-    fd = int(sys.argv[2])
-
+with SuppressCrashReport():
+    verbose = (sys.argv[1] == 'v')
     try:
-        os.write(fd, b"blat")
-    except OSError:
-        # Success -- could not write to fd.
-        sys.exit(0)
-    else:
+        fd = int(sys.argv[2])
+
+        try:
+            os.write(fd, b"blat")
+        except OSError:
+            # Success -- could not write to fd.
+            sys.exit(0)
+        else:
+            if verbose:
+                sys.stderr.write("fd %d is open in child" % fd)
+            sys.exit(1)
+
+    except Exception:
         if verbose:
-            sys.stderr.write("fd %d is open in child" % fd)
+            raise
         sys.exit(1)
-
-except Exception:
-    if verbose:
-        raise
-    sys.exit(1)
diff --git a/Lib/textwrap.py b/Lib/textwrap.py
index 58867f9..3ad3e18 100644
--- a/Lib/textwrap.py
+++ b/Lib/textwrap.py
@@ -79,10 +79,25 @@ class TextWrapper:
     # splits into
     #   Hello/ /there/ /--/ /you/ /goof-/ball,/ /use/ /the/ /-b/ /option!
     # (after stripping out empty strings).
-    wordsep_re = re.compile(
-        r'(\s+|'                                  # any whitespace
-        r'[^\s\w]*\w+[^0-9\W]-(?=\w+[^0-9\W])|'   # hyphenated words
-        r'(?<=[\w\!\"\'\&\.\,\?])-{2,}(?=\w))')   # em-dash
+    word_punct = r'[\w!"\'&.,?]'
+    letter = r'[^\d\W]'
+    wordsep_re = re.compile(r'''
+        ( # any whitespace
+          \s+
+        | # em-dash between words
+          (?<=%(wp)s) -{2,} (?=\w)
+        | # word, possibly hyphenated
+          \S+? (?:
+            # hyphenated word
+              -(?: (?<=%(lt)s{2}-) | (?<=%(lt)s-%(lt)s-))
+              (?= %(lt)s -? %(lt)s)
+            | # end of word
+              (?=\s|\Z)
+            | # em-dash
+              (?<=%(wp)s) (?=-{2,}\w)
+            )
+        )''' % {'wp': word_punct, 'lt': letter}, re.VERBOSE)
+    del word_punct, letter
 
     # This less funky little regex just split on recognized spaces. E.g.
     #   "Hello there -- you goof-ball, use the -b option!"
diff --git a/Lib/threading.py b/Lib/threading.py
index 37aa3b8..24cc911 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -3,10 +3,7 @@
 import sys as _sys
 import _thread
 
-try:
-    from time import monotonic as _time
-except ImportError:
-    from time import time as _time
+from time import monotonic as _time
 from traceback import format_exc as _format_exc
 from _weakrefset import WeakSet
 from itertools import islice as _islice, count as _count
@@ -106,8 +103,14 @@ class _RLock:
             owner = _active[owner].name
         except KeyError:
             pass
-        return "<%s owner=%r count=%d>" % (
-                self.__class__.__name__, owner, self._count)
+        return "<%s %s.%s object owner=%r count=%d at %s>" % (
+            "locked" if self._block.locked() else "unlocked",
+            self.__class__.__module__,
+            self.__class__.__qualname__,
+            owner,
+            self._count,
+            hex(id(self))
+        )
 
     def acquire(self, blocking=True, timeout=-1):
         """Acquire a lock, blocking or non-blocking.
diff --git a/Lib/timeit.py b/Lib/timeit.py
index cf7446d..de7d550 100755
--- a/Lib/timeit.py
+++ b/Lib/timeit.py
@@ -20,6 +20,7 @@ Options:
   -t/--time: use time.time() (deprecated)
   -c/--clock: use time.clock() (deprecated)
   -v/--verbose: print raw timing results; repeat for more digits precision
+  -u/--unit: set the output time unit (usec, msec, or sec)
   -h/--help: print this usage message and exit
   --: separate options from statement, use when statement starts with -
   statement: statement to be timed (default 'pass')
@@ -61,6 +62,8 @@ default_number = 1000000
 default_repeat = 3
 default_timer = time.perf_counter
 
+_globals = globals
+
 # Don't change the indentation of the template; the reindent() calls
 # in Timer.__init__() depend on setup being indented 4 spaces and stmt
 # being indented 8 spaces.
@@ -95,7 +98,9 @@ class Timer:
     The constructor takes a statement to be timed, an additional
     statement used for setup, and a timer function.  Both statements
     default to 'pass'; the timer function is platform-dependent (see
-    module doc string).
+    module doc string).  If 'globals' is specified, the code will be
+    executed within that namespace (as opposed to inside timeit's
+    namespace).
 
     To measure the execution time of the first statement, use the
     timeit() method.  The repeat() method is a convenience to call
@@ -105,10 +110,12 @@ class Timer:
     multi-line string literals.
     """
 
-    def __init__(self, stmt="pass", setup="pass", timer=default_timer):
+    def __init__(self, stmt="pass", setup="pass", timer=default_timer,
+                 globals=None):
         """Constructor.  See class doc string."""
         self.timer = timer
-        ns = {}
+        local_ns = {}
+        global_ns = _globals() if globals is None else globals
         if isinstance(stmt, str):
             # Check that the code can be compiled outside a function
             if isinstance(setup, str):
@@ -122,19 +129,19 @@ class Timer:
                 src = template.format(stmt=stmt, setup=setup)
             elif callable(setup):
                 src = template.format(stmt=stmt, setup='_setup()')
-                ns['_setup'] = setup
+                local_ns['_setup'] = setup
             else:
                 raise ValueError("setup is neither a string nor callable")
-            self.src = src # Save for traceback display
+            self.src = src  # Save for traceback display
             code = compile(src, dummy_src_name, "exec")
-            exec(code, globals(), ns)
-            self.inner = ns["inner"]
+            exec(code, global_ns, local_ns)
+            self.inner = local_ns["inner"]
         elif callable(stmt):
             self.src = None
             if isinstance(setup, str):
                 _setup = setup
                 def setup():
-                    exec(_setup, globals(), ns)
+                    exec(_setup, global_ns, local_ns)
             elif not callable(setup):
                 raise ValueError("setup is neither a string nor callable")
             self.inner = _template_func(setup, stmt)
@@ -215,14 +222,14 @@ class Timer:
         return r
 
 def timeit(stmt="pass", setup="pass", timer=default_timer,
-           number=default_number):
+           number=default_number, globals=None):
     """Convenience function to create Timer object and call timeit method."""
-    return Timer(stmt, setup, timer).timeit(number)
+    return Timer(stmt, setup, timer, globals).timeit(number)
 
 def repeat(stmt="pass", setup="pass", timer=default_timer,
-           repeat=default_repeat, number=default_number):
+           repeat=default_repeat, number=default_number, globals=None):
     """Convenience function to create Timer object and call repeat method."""
-    return Timer(stmt, setup, timer).repeat(repeat, number)
+    return Timer(stmt, setup, timer, globals).repeat(repeat, number)
 
 def main(args=None, *, _wrap_timer=None):
     """Main program, used when run as a script.
@@ -245,10 +252,10 @@ def main(args=None, *, _wrap_timer=None):
         args = sys.argv[1:]
     import getopt
     try:
-        opts, args = getopt.getopt(args, "n:s:r:tcpvh",
+        opts, args = getopt.getopt(args, "n:u:s:r:tcpvh",
                                    ["number=", "setup=", "repeat=",
                                     "time", "clock", "process",
-                                    "verbose", "help"])
+                                    "verbose", "unit=", "help"])
     except getopt.error as err:
         print(err)
         print("use -h/--help for command line help")
@@ -259,12 +266,21 @@ def main(args=None, *, _wrap_timer=None):
     setup = []
     repeat = default_repeat
     verbose = 0
+    time_unit = None
+    units = {"usec": 1, "msec": 1e3, "sec": 1e6}
     precision = 3
     for o, a in opts:
         if o in ("-n", "--number"):
             number = int(a)
         if o in ("-s", "--setup"):
             setup.append(a)
+        if o in ("-u", "--unit"):
+            if a in units:
+                time_unit = a
+            else:
+                print("Unrecognized unit. Please select usec, msec, or sec.",
+                    file=sys.stderr)
+                return 2
         if o in ("-r", "--repeat"):
             repeat = int(a)
             if repeat <= 0:
@@ -314,15 +330,21 @@ def main(args=None, *, _wrap_timer=None):
         print("raw times:", " ".join(["%.*g" % (precision, x) for x in r]))
     print("%d loops," % number, end=' ')
     usec = best * 1e6 / number
-    if usec < 1000:
-        print("best of %d: %.*g usec per loop" % (repeat, precision, usec))
+    if time_unit is not None:
+        print("best of %d: %.*g %s per loop" % (repeat, precision,
+                                             usec/units[time_unit], time_unit))
     else:
-        msec = usec / 1000
-        if msec < 1000:
-            print("best of %d: %.*g msec per loop" % (repeat, precision, msec))
+        if usec < 1000:
+            print("best of %d: %.*g usec per loop" % (repeat, precision, usec))
         else:
-            sec = msec / 1000
-            print("best of %d: %.*g sec per loop" % (repeat, precision, sec))
+            msec = usec / 1000
+            if msec < 1000:
+                print("best of %d: %.*g msec per loop" % (repeat,
+                                                          precision, msec))
+            else:
+                sec = msec / 1000
+                print("best of %d: %.*g sec per loop" % (repeat,
+                                                         precision, sec))
     return None
 
 if __name__ == "__main__":
diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
index 21a560b..c57ebd2 100644
--- a/Lib/tkinter/__init__.py
+++ b/Lib/tkinter/__init__.py
@@ -775,9 +775,6 @@ class Misc:
         """Raise this widget in the stacking order."""
         self.tk.call('raise', self._w, aboveThis)
     lift = tkraise
-    def colormodel(self, value=None):
-        """Useless. Not implemented in Tk."""
-        return self.tk.call('tk', 'colormodel', self._w, value)
     def winfo_atom(self, name, displayof=0):
         """Return integer which represents atom NAME."""
         args = ('winfo', 'atom') + self._displayof(displayof) + (name,)
@@ -1336,6 +1333,11 @@ class Misc:
     def __str__(self):
         """Return the window path name of this widget."""
         return self._w
+
+    def __repr__(self):
+        return '<%s.%s object %s>' % (
+            self.__class__.__module__, self.__class__.__qualname__, self._w)
+
     # Pack methods that apply to the master
     _noarg_ = ['_noarg_']
     def pack_propagate(self, flag=_noarg_):
@@ -1850,7 +1852,7 @@ class Tk(Misc, Wm):
             import os
             baseName = os.path.basename(sys.argv[0])
             baseName, ext = os.path.splitext(baseName)
-            if ext not in ('.py', '.pyc', '.pyo'):
+            if ext not in ('.py', '.pyc'):
                 baseName = baseName + ext
         interactive = 0
         self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
@@ -2196,21 +2198,6 @@ class Button(Widget):
         """
         Widget.__init__(self, master, 'button', cnf, kw)
 
-    def tkButtonEnter(self, *dummy):
-        self.tk.call('tkButtonEnter', self._w)
-
-    def tkButtonLeave(self, *dummy):
-        self.tk.call('tkButtonLeave', self._w)
-
-    def tkButtonDown(self, *dummy):
-        self.tk.call('tkButtonDown', self._w)
-
-    def tkButtonUp(self, *dummy):
-        self.tk.call('tkButtonUp', self._w)
-
-    def tkButtonInvoke(self, *dummy):
-        self.tk.call('tkButtonInvoke', self._w)
-
     def flash(self):
         """Flash the button.
 
@@ -2709,35 +2696,15 @@ class Menu(Widget):
         disabledforeground, fg, font, foreground, postcommand, relief,
         selectcolor, takefocus, tearoff, tearoffcommand, title, type."""
         Widget.__init__(self, master, 'menu', cnf, kw)
+    def tk_popup(self, x, y, entry=""):
+        """Post the menu at position X,Y with entry ENTRY."""
+        self.tk.call('tk_popup', self._w, x, y, entry)
     def tk_bindForTraversal(self):
         # obsolete since Tk 4.0
         import warnings
         warnings.warn('tk_bindForTraversal() does nothing and '
                       'will be removed in 3.6',
                       DeprecationWarning, stacklevel=2)
-    def tk_mbPost(self):
-        self.tk.call('tk_mbPost', self._w)
-    def tk_mbUnpost(self):
-        self.tk.call('tk_mbUnpost')
-    def tk_traverseToMenu(self, char):
-        self.tk.call('tk_traverseToMenu', self._w, char)
-    def tk_traverseWithinMenu(self, char):
-        self.tk.call('tk_traverseWithinMenu', self._w, char)
-    def tk_getMenuButtons(self):
-        return self.tk.call('tk_getMenuButtons', self._w)
-    def tk_nextMenu(self, count):
-        self.tk.call('tk_nextMenu', count)
-    def tk_nextMenuEntry(self, count):
-        self.tk.call('tk_nextMenuEntry', count)
-    def tk_invokeMenu(self):
-        self.tk.call('tk_invokeMenu', self._w)
-    def tk_firstMenu(self):
-        self.tk.call('tk_firstMenu', self._w)
-    def tk_mbButtonDown(self):
-        self.tk.call('tk_mbButtonDown', self._w)
-    def tk_popup(self, x, y, entry=""):
-        """Post the menu at position X,Y with entry ENTRY."""
-        self.tk.call('tk_popup', self._w, x, y, entry)
     def activate(self, index):
         """Activate entry at INDEX."""
         self.tk.call(self._w, 'activate', index)
@@ -2910,10 +2877,14 @@ class Scrollbar(Widget):
         relief, repeatdelay, repeatinterval, takefocus,
         troughcolor, width."""
         Widget.__init__(self, master, 'scrollbar', cnf, kw)
-    def activate(self, index):
-        """Display the element at INDEX with activebackground and activerelief.
-        INDEX can be "arrow1","slider" or "arrow2"."""
-        self.tk.call(self._w, 'activate', index)
+    def activate(self, index=None):
+        """Marks the element indicated by index as active.
+        The only index values understood by this method are "arrow1",
+        "slider", or "arrow2".  If any other value is specified then no
+        element of the scrollbar will be active.  If index is not specified,
+        the method returns the name of the element that is currently active,
+        or None if no element is active."""
+        return self.tk.call(self._w, 'activate', index) or None
     def delta(self, deltax, deltay):
         """Return the fractional change of the scrollbar setting if it
         would be moved by DELTAX or DELTAY pixels."""
@@ -2931,10 +2902,10 @@ class Scrollbar(Widget):
         """Return the current fractional values (upper and lower end)
         of the slider position."""
         return self._getdoubles(self.tk.call(self._w, 'get'))
-    def set(self, *args):
+    def set(self, first, last):
         """Set the fractional values of the slider position (upper and
         lower ends as value between 0 and 1)."""
-        self.tk.call((self._w, 'set') + args)
+        self.tk.call(self._w, 'set', first, last)
 
 
 
@@ -2969,14 +2940,6 @@ class Text(Widget, XView, YView):
         box of the visible part of the character at the given index."""
         return self._getints(
                 self.tk.call(self._w, 'bbox', index)) or None
-    def tk_textSelectTo(self, index):
-        self.tk.call('tk_textSelectTo', self._w, index)
-    def tk_textBackspace(self):
-        self.tk.call('tk_textBackspace', self._w)
-    def tk_textIndexCloser(self, a, b, c):
-        self.tk.call('tk_textIndexCloser', self._w, a, b, c)
-    def tk_textResetAnchor(self, index):
-        self.tk.call('tk_textResetAnchor', self._w, index)
     def compare(self, index1, op, index2):
         """Return whether between index INDEX1 and index INDEX2 the
         relation OP is satisfied. OP is one of <, <=, ==, >=, >, or !=."""
@@ -3854,35 +3817,12 @@ class PanedWindow(Widget):
         """Returns an ordered list of the child panes."""
         return self.tk.splitlist(self.tk.call(self._w, 'panes'))
 
-######################################################################
-# Extensions:
-
-class Studbutton(Button):
-    def __init__(self, master=None, cnf={}, **kw):
-        Widget.__init__(self, master, 'studbutton', cnf, kw)
-        self.bind('<Any-Enter>',       self.tkButtonEnter)
-        self.bind('<Any-Leave>',       self.tkButtonLeave)
-        self.bind('<1>',               self.tkButtonDown)
-        self.bind('<ButtonRelease-1>', self.tkButtonUp)
-
-class Tributton(Button):
-    def __init__(self, master=None, cnf={}, **kw):
-        Widget.__init__(self, master, 'tributton', cnf, kw)
-        self.bind('<Any-Enter>',       self.tkButtonEnter)
-        self.bind('<Any-Leave>',       self.tkButtonLeave)
-        self.bind('<1>',               self.tkButtonDown)
-        self.bind('<ButtonRelease-1>', self.tkButtonUp)
-        self['fg']               = self['bg']
-        self['activebackground'] = self['bg']
-
-######################################################################
 # Test:
 
 def _test():
     root = Tk()
     text = "This is Tcl/Tk version %s" % TclVersion
-    if TclVersion >= 8.1:
-        text += "\nThis should be a cedilla: \xe7"
+    text += "\nThis should be a cedilla: \xe7"
     label = Label(root, text=text)
     label.pack()
     test = Button(root, text="Click me!",
diff --git a/Lib/tkinter/test/runtktests.py b/Lib/tkinter/test/runtktests.py
index ccb3755..dbe5e88 100644
--- a/Lib/tkinter/test/runtktests.py
+++ b/Lib/tkinter/test/runtktests.py
@@ -16,7 +16,7 @@ this_dir_path = os.path.abspath(os.path.dirname(__file__))
 
 def is_package(path):
     for name in os.listdir(path):
-        if name in ('__init__.py', '__init__.pyc', '__init.pyo'):
+        if name in ('__init__.py', '__init__.pyc'):
             return True
     return False
 
diff --git a/Lib/tkinter/test/test_tkinter/test_misc.py b/Lib/tkinter/test/test_tkinter/test_misc.py
index d8de949..85ee2c7 100644
--- a/Lib/tkinter/test/test_tkinter/test_misc.py
+++ b/Lib/tkinter/test/test_tkinter/test_misc.py
@@ -7,6 +7,11 @@ support.requires('gui')
 
 class MiscTest(AbstractTkTest, unittest.TestCase):
 
+    def test_repr(self):
+        t = tkinter.Toplevel(self.root, name='top')
+        f = tkinter.Frame(t, name='child')
+        self.assertEqual(repr(f), '<tkinter.Frame object .top.child>')
+
     def test_tk_setPalette(self):
         root = self.root
         root.tk_setPalette('black')
diff --git a/Lib/tkinter/test/test_tkinter/test_widgets.py b/Lib/tkinter/test/test_tkinter/test_widgets.py
index 8be0371..7171667 100644
--- a/Lib/tkinter/test/test_tkinter/test_widgets.py
+++ b/Lib/tkinter/test/test_tkinter/test_widgets.py
@@ -920,8 +920,9 @@ class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
         sb = self.create()
         for e in ('arrow1', 'slider', 'arrow2'):
             sb.activate(e)
+            self.assertEqual(sb.activate(), e)
         sb.activate('')
-        self.assertRaises(TypeError, sb.activate)
+        self.assertIsNone(sb.activate())
         self.assertRaises(TypeError, sb.activate, 'arrow1', 'arrow2')
 
     def test_set(self):
@@ -931,8 +932,8 @@ class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
         self.assertRaises(TclError, sb.set, 'abc', 'def')
         self.assertRaises(TclError, sb.set, 0.6, 'def')
         self.assertRaises(TclError, sb.set, 0.6, None)
-        self.assertRaises(TclError, sb.set, 0.6)
-        self.assertRaises(TclError, sb.set, 0.6, 0.7, 0.8)
+        self.assertRaises(TypeError, sb.set, 0.6)
+        self.assertRaises(TypeError, sb.set, 0.6, 0.7, 0.8)
 
 
 @add_standard_options(StandardOptionsTests)
diff --git a/Lib/token.py b/Lib/token.py
index 7470c8c..a95d9b7 100644
--- a/Lib/token.py
+++ b/Lib/token.py
@@ -60,11 +60,12 @@ DOUBLESTAREQUAL = 46
 DOUBLESLASH = 47
 DOUBLESLASHEQUAL = 48
 AT = 49
-RARROW = 50
-ELLIPSIS = 51
-OP = 52
-ERRORTOKEN = 53
-N_TOKENS = 54
+ATEQUAL = 50
+RARROW = 51
+ELLIPSIS = 52
+OP = 53
+ERRORTOKEN = 54
+N_TOKENS = 55
 NT_OFFSET = 256
 #--end constants--
 
@@ -96,8 +97,8 @@ def _main():
     except OSError as err:
         sys.stdout.write("I/O error: %s\n" % str(err))
         sys.exit(1)
-    lines = fp.read().split("\n")
-    fp.close()
+    with fp:
+        lines = fp.read().split("\n")
     prog = re.compile(
         "#define[ \t][ \t]*([A-Z0-9][A-Z0-9_]*)[ \t][ \t]*([0-9][0-9]*)",
         re.IGNORECASE)
@@ -115,8 +116,8 @@ def _main():
     except OSError as err:
         sys.stderr.write("I/O error: %s\n" % str(err))
         sys.exit(2)
-    format = fp.read().split("\n")
-    fp.close()
+    with fp:
+        format = fp.read().split("\n")
     try:
         start = format.index("#--start constants--") + 1
         end = format.index("#--end constants--")
@@ -132,8 +133,8 @@ def _main():
     except OSError as err:
         sys.stderr.write("I/O error: %s\n" % str(err))
         sys.exit(4)
-    fp.write("\n".join(format))
-    fp.close()
+    with fp:
+        fp.write("\n".join(format))
 
 
 if __name__ == "__main__":
diff --git a/Lib/tokenize.py b/Lib/tokenize.py
index ed4153c..8bc83fd 100644
--- a/Lib/tokenize.py
+++ b/Lib/tokenize.py
@@ -91,7 +91,8 @@ EXACT_TOKEN_TYPES = {
     '**=': DOUBLESTAREQUAL,
     '//':  DOUBLESLASH,
     '//=': DOUBLESLASHEQUAL,
-    '@':   AT
+    '@':   AT,
+    '@=':  ATEQUAL,
 }
 
 class TokenInfo(collections.namedtuple('TokenInfo', 'type string start end line')):
@@ -150,7 +151,7 @@ String = group(StringPrefix + r"'[^\n'\\]*(?:\\.[^\n'\\]*)*'",
 # recognized as two instances of =).
 Operator = group(r"\*\*=?", r">>=?", r"<<=?", r"!=",
                  r"//=?", r"->",
-                 r"[+\-*/%&|^=<>]=?",
+                 r"[+\-*/%&@|^=<>]=?",
                  r"~")
 
 Bracket = '[][(){}]'
@@ -186,7 +187,6 @@ endpats = {"'": Single, '"': Double,
            "rB'''": Single3, 'rB"""': Double3,
            "RB'''": Single3, 'RB"""': Double3,
            "u'''": Single3, 'u"""': Double3,
-           "R'''": Single3, 'R"""': Double3,
            "U'''": Single3, 'U"""': Double3,
            'r': None, 'R': None, 'b': None, 'B': None,
            'u': None, 'U': None}
diff --git a/Lib/trace.py b/Lib/trace.py
index 09fe9ee..f108266 100755
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -59,10 +59,7 @@ import gc
 import dis
 import pickle
 from warnings import warn as _warn
-try:
-    from time import monotonic as _time
-except ImportError:
-    from time import time as _time
+from time import monotonic as _time
 
 try:
     import threading
@@ -235,8 +232,8 @@ class CoverageResults:
         if self.infile:
             # Try to merge existing counts file.
             try:
-                counts, calledfuncs, callers = \
-                        pickle.load(open(self.infile, 'rb'))
+                with open(self.infile, 'rb') as f:
+                    counts, calledfuncs, callers = pickle.load(f)
                 self.update(self.__class__(counts, calledfuncs, callers))
             except (OSError, EOFError, ValueError) as err:
                 print(("Skipping counts file %r: %s"
@@ -308,7 +305,7 @@ class CoverageResults:
             if self.is_ignored_filename(filename):
                 continue
 
-            if filename.endswith((".pyc", ".pyo")):
+            if filename.endswith(".pyc"):
                 filename = filename[:-1]
 
             if coverdir is None:
@@ -326,16 +323,17 @@ class CoverageResults:
                 lnotab = _find_executable_linenos(filename)
             else:
                 lnotab = {}
+            if lnotab:
+                source = linecache.getlines(filename)
+                coverpath = os.path.join(dir, modulename + ".cover")
+                with open(filename, 'rb') as fp:
+                    encoding, _ = tokenize.detect_encoding(fp.readline)
+                n_hits, n_lines = self.write_results_file(coverpath, source,
+                                                          lnotab, count, encoding)
+                if summary and n_lines:
+                    percent = int(100 * n_hits / n_lines)
+                    sums[modulename] = n_lines, percent, modulename, filename
 
-            source = linecache.getlines(filename)
-            coverpath = os.path.join(dir, modulename + ".cover")
-            with open(filename, 'rb') as fp:
-                encoding, _ = tokenize.detect_encoding(fp.readline)
-            n_hits, n_lines = self.write_results_file(coverpath, source,
-                                                      lnotab, count, encoding)
-            if summary and n_lines:
-                percent = int(100 * n_hits / n_lines)
-                sums[modulename] = n_lines, percent, modulename, filename
 
         if summary and sums:
             print("lines   cov%   module   (path)")
@@ -363,26 +361,26 @@ class CoverageResults:
 
         n_lines = 0
         n_hits = 0
-        for lineno, line in enumerate(lines, 1):
-            # do the blank/comment match to try to mark more lines
-            # (help the reader find stuff that hasn't been covered)
-            if lineno in lines_hit:
-                outfile.write("%5d: " % lines_hit[lineno])
-                n_hits += 1
-                n_lines += 1
-            elif rx_blank.match(line):
-                outfile.write("       ")
-            else:
-                # lines preceded by no marks weren't hit
-                # Highlight them if so indicated, unless the line contains
-                # #pragma: NO COVER
-                if lineno in lnotab and not PRAGMA_NOCOVER in line:
-                    outfile.write(">>>>>> ")
+        with outfile:
+            for lineno, line in enumerate(lines, 1):
+                # do the blank/comment match to try to mark more lines
+                # (help the reader find stuff that hasn't been covered)
+                if lineno in lines_hit:
+                    outfile.write("%5d: " % lines_hit[lineno])
+                    n_hits += 1
                     n_lines += 1
-                else:
+                elif rx_blank.match(line):
                     outfile.write("       ")
-            outfile.write(line.expandtabs(8))
-        outfile.close()
+                else:
+                    # lines preceded by no marks weren't hit
+                    # Highlight them if so indicated, unless the line contains
+                    # #pragma: NO COVER
+                    if lineno in lnotab and not PRAGMA_NOCOVER in line:
+                        outfile.write(">>>>>> ")
+                        n_lines += 1
+                    else:
+                        outfile.write("       ")
+                outfile.write(line.expandtabs(8))
 
         return n_hits, n_lines
 
diff --git a/Lib/traceback.py b/Lib/traceback.py
index faf593a..8a554cf 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -7,26 +7,20 @@ import operator
 __all__ = ['extract_stack', 'extract_tb', 'format_exception',
            'format_exception_only', 'format_list', 'format_stack',
            'format_tb', 'print_exc', 'format_exc', 'print_exception',
-           'print_last', 'print_stack', 'print_tb',
-           'clear_frames']
+           'print_last', 'print_stack', 'print_tb', 'clear_frames',
+           'FrameSummary', 'StackSummary', 'TracebackException',
+           'walk_stack', 'walk_tb']
 
 #
 # Formatting and printing lists of traceback lines.
 #
 
-def _format_list_iter(extracted_list):
-    for filename, lineno, name, line in extracted_list:
-        item = '  File "{}", line {}, in {}\n'.format(filename, lineno, name)
-        if line:
-            item = item + '    {}\n'.format(line.strip())
-        yield item
-
 def print_list(extracted_list, file=None):
     """Print the list of tuples as returned by extract_tb() or
     extract_stack() as a formatted stack trace to the given file."""
     if file is None:
         file = sys.stderr
-    for item in _format_list_iter(extracted_list):
+    for item in StackSummary.from_list(extracted_list).format():
         print(item, file=file, end="")
 
 def format_list(extracted_list):
@@ -39,45 +33,12 @@ def format_list(extracted_list):
     the strings may contain internal newlines as well, for those items
     whose source text line is not None.
     """
-    return list(_format_list_iter(extracted_list))
+    return StackSummary.from_list(extracted_list).format()
 
 #
 # Printing and Extracting Tracebacks.
 #
 
-# extractor takes curr and needs to return a tuple of:
-# - Frame object
-# - Line number
-# - Next item (same type as curr)
-# In practice, curr is either a traceback or a frame.
-def _extract_tb_or_stack_iter(curr, limit, extractor):
-    if limit is None:
-        limit = getattr(sys, 'tracebacklimit', None)
-
-    n = 0
-    while curr is not None and (limit is None or n < limit):
-        f, lineno, next_item = extractor(curr)
-        co = f.f_code
-        filename = co.co_filename
-        name = co.co_name
-
-        linecache.checkcache(filename)
-        line = linecache.getline(filename, lineno, f.f_globals)
-
-        if line:
-            line = line.strip()
-        else:
-            line = None
-
-        yield (filename, lineno, name, line)
-        curr = next_item
-        n += 1
-
-def _extract_tb_iter(tb, limit):
-    return _extract_tb_or_stack_iter(
-                tb, limit,
-                operator.attrgetter("tb_frame", "tb_lineno", "tb_next"))
-
 def print_tb(tb, limit=None, file=None):
     """Print up to 'limit' stack trace entries from the traceback 'tb'.
 
@@ -90,7 +51,7 @@ def print_tb(tb, limit=None, file=None):
 
 def format_tb(tb, limit=None):
     """A shorthand for 'format_list(extract_tb(tb, limit))'."""
-    return format_list(extract_tb(tb, limit=limit))
+    return extract_tb(tb, limit=limit).format()
 
 def extract_tb(tb, limit=None):
     """Return list of up to limit pre-processed entries from traceback.
@@ -103,7 +64,7 @@ def extract_tb(tb, limit=None):
     leading and trailing whitespace stripped; if the source is not
     available it is None.
     """
-    return list(_extract_tb_iter(tb, limit=limit))
+    return StackSummary.extract(walk_tb(tb), limit=limit)
 
 #
 # Exception formatting and output.
@@ -111,47 +72,12 @@ def extract_tb(tb, limit=None):
 
 _cause_message = (
     "\nThe above exception was the direct cause "
-    "of the following exception:\n")
+    "of the following exception:\n\n")
 
 _context_message = (
     "\nDuring handling of the above exception, "
-    "another exception occurred:\n")
-
-def _iter_chain(exc, custom_tb=None, seen=None):
-    if seen is None:
-        seen = set()
-    seen.add(exc)
-    its = []
-    context = exc.__context__
-    cause = exc.__cause__
-    if cause is not None and cause not in seen:
-        its.append(_iter_chain(cause, False, seen))
-        its.append([(_cause_message, None)])
-    elif (context is not None and
-          not exc.__suppress_context__ and
-          context not in seen):
-        its.append(_iter_chain(context, None, seen))
-        its.append([(_context_message, None)])
-    its.append([(exc, custom_tb or exc.__traceback__)])
-    # itertools.chain is in an extension module and may be unavailable
-    for it in its:
-        yield from it
-
-def _format_exception_iter(etype, value, tb, limit, chain):
-    if chain:
-        values = _iter_chain(value, tb)
-    else:
-        values = [(value, tb)]
-
-    for value, tb in values:
-        if isinstance(value, str):
-            # This is a cause/context message line
-            yield value + '\n'
-            continue
-        if tb:
-            yield 'Traceback (most recent call last):\n'
-            yield from _format_list_iter(_extract_tb_iter(tb, limit=limit))
-        yield from _format_exception_only_iter(type(value), value)
+    "another exception occurred:\n\n")
+
 
 def print_exception(etype, value, tb, limit=None, file=None, chain=True):
     """Print exception up to 'limit' stack trace entries from 'tb' to 'file'.
@@ -164,11 +90,16 @@ def print_exception(etype, value, tb, limit=None, file=None, chain=True):
     occurred with a caret on the next line indicating the approximate
     position of the error.
     """
+    # format_exception has ignored etype for some time, and code such as cgitb
+    # passes in bogus values as a result. For compatibility with such code we
+    # ignore it here (rather than in the new TracebackException API).
     if file is None:
         file = sys.stderr
-    for line in _format_exception_iter(etype, value, tb, limit, chain):
+    for line in TracebackException(
+            type(value), value, tb, limit=limit).format(chain=chain):
         print(line, file=file, end="")
 
+
 def format_exception(etype, value, tb, limit=None, chain=True):
     """Format a stack trace and the exception information.
 
@@ -178,7 +109,12 @@ def format_exception(etype, value, tb, limit=None, chain=True):
     these lines are concatenated and printed, exactly the same text is
     printed as does print_exception().
     """
-    return list(_format_exception_iter(etype, value, tb, limit, chain))
+    # format_exception has ignored etype for some time, and code such as cgitb
+    # passes in bogus values as a result. For compatibility with such code we
+    # ignore it here (rather than in the new TracebackException API).
+    return list(TracebackException(
+        type(value), value, tb, limit=limit).format(chain=chain))
+
 
 def format_exception_only(etype, value):
     """Format the exception part of a traceback.
@@ -196,46 +132,14 @@ def format_exception_only(etype, value):
     string in the list.
 
     """
-    return list(_format_exception_only_iter(etype, value))
-
-def _format_exception_only_iter(etype, value):
-    # Gracefully handle (the way Python 2.4 and earlier did) the case of
-    # being called with (None, None).
-    if etype is None:
-        yield _format_final_exc_line(etype, value)
-        return
-
-    stype = etype.__name__
-    smod = etype.__module__
-    if smod not in ("__main__", "builtins"):
-        stype = smod + '.' + stype
-
-    if not issubclass(etype, SyntaxError):
-        yield _format_final_exc_line(stype, value)
-        return
-
-    # It was a syntax error; show exactly where the problem was found.
-    filename = value.filename or "<string>"
-    lineno = str(value.lineno) or '?'
-    yield '  File "{}", line {}\n'.format(filename, lineno)
-
-    badline = value.text
-    offset = value.offset
-    if badline is not None:
-        yield '    {}\n'.format(badline.strip())
-        if offset is not None:
-            caretspace = badline.rstrip('\n')
-            offset = min(len(caretspace), offset) - 1
-            caretspace = caretspace[:offset].lstrip()
-            # non-space whitespace (likes tabs) must be kept for alignment
-            caretspace = ((c.isspace() and c or ' ') for c in caretspace)
-            yield '    {}^\n'.format(''.join(caretspace))
-    msg = value.msg or "<no detail available>"
-    yield "{}: {}\n".format(stype, msg)
+    return list(TracebackException(etype, value, None).format_exception_only())
+
+
+# -- not offical API but folk probably use these two functions.
 
 def _format_final_exc_line(etype, value):
     valuestr = _some_str(value)
-    if value is None or not valuestr:
+    if value == 'None' or value is None or not valuestr:
         line = "%s\n" % etype
     else:
         line = "%s: %s\n" % (etype, valuestr)
@@ -247,6 +151,8 @@ def _some_str(value):
     except:
         return '<unprintable %s object>' % type(value).__name__
 
+# --
+
 def print_exc(limit=None, file=None, chain=True):
     """Shorthand for 'print_exception(*sys.exc_info(), limit, file)'."""
     print_exception(*sys.exc_info(), limit=limit, file=file, chain=chain)
@@ -267,15 +173,6 @@ def print_last(limit=None, file=None, chain=True):
 # Printing and Extracting Stacks.
 #
 
-def _extract_stack_iter(f, limit=None):
-    return _extract_tb_or_stack_iter(
-                f, limit, lambda f: (f, f.f_lineno, f.f_back))
-
-def _get_stack(f):
-    if f is None:
-        f = sys._getframe().f_back.f_back
-    return f
-
 def print_stack(f=None, limit=None, file=None):
     """Print a stack trace from its invocation point.
 
@@ -283,11 +180,13 @@ def print_stack(f=None, limit=None, file=None):
     stack frame at which to start. The optional 'limit' and 'file'
     arguments have the same meaning as for print_exception().
     """
-    print_list(extract_stack(_get_stack(f), limit=limit), file=file)
+    print_list(extract_stack(f, limit=limit), file=file)
+
 
 def format_stack(f=None, limit=None):
     """Shorthand for 'format_list(extract_stack(f, limit))'."""
-    return format_list(extract_stack(_get_stack(f), limit=limit))
+    return format_list(extract_stack(f, limit=limit))
+
 
 def extract_stack(f=None, limit=None):
     """Extract the raw traceback from the current stack frame.
@@ -298,10 +197,11 @@ def extract_stack(f=None, limit=None):
     line number, function name, text), and the entries are in order
     from oldest to newest stack frame.
     """
-    stack = list(_extract_stack_iter(_get_stack(f), limit=limit))
+    stack = StackSummary.extract(walk_stack(f), limit=limit)
     stack.reverse()
     return stack
 
+
 def clear_frames(tb):
     "Clear all references to local variables in the frames of a traceback."
     while tb is not None:
@@ -311,3 +211,350 @@ def clear_frames(tb):
             # Ignore the exception raised if the frame is still executing.
             pass
         tb = tb.tb_next
+
+
+class FrameSummary:
+    """A single frame from a traceback.
+
+    - :attr:`filename` The filename for the frame.
+    - :attr:`lineno` The line within filename for the frame that was
+      active when the frame was captured.
+    - :attr:`name` The name of the function or method that was executing
+      when the frame was captured.
+    - :attr:`line` The text from the linecache module for the
+      of code that was running when the frame was captured.
+    - :attr:`locals` Either None if locals were not supplied, or a dict
+      mapping the name to the repr() of the variable.
+    """
+
+    __slots__ = ('filename', 'lineno', 'name', '_line', 'locals')
+
+    def __init__(self, filename, lineno, name, *, lookup_line=True,
+            locals=None, line=None):
+        """Construct a FrameSummary.
+
+        :param lookup_line: If True, `linecache` is consulted for the source
+            code line. Otherwise, the line will be looked up when first needed.
+        :param locals: If supplied the frame locals, which will be captured as
+            object representations.
+        :param line: If provided, use this instead of looking up the line in
+            the linecache.
+        """
+        self.filename = filename
+        self.lineno = lineno
+        self.name = name
+        self._line = line
+        if lookup_line:
+            self.line
+        self.locals = \
+            dict((k, repr(v)) for k, v in locals.items()) if locals else None
+
+    def __eq__(self, other):
+        return (self.filename == other.filename and
+                self.lineno == other.lineno and
+                self.name == other.name and
+                self.locals == other.locals)
+
+    def __getitem__(self, pos):
+        return (self.filename, self.lineno, self.name, self.line)[pos]
+
+    def __iter__(self):
+        return iter([self.filename, self.lineno, self.name, self.line])
+
+    def __repr__(self):
+        return "<FrameSummary file {filename}, line {lineno} in {name}>".format(
+            filename=self.filename, lineno=self.lineno, name=self.name)
+
+    @property
+    def line(self):
+        if self._line is None:
+            self._line = linecache.getline(self.filename, self.lineno).strip()
+        return self._line
+
+
+def walk_stack(f):
+    """Walk a stack yielding the frame and line number for each frame.
+
+    This will follow f.f_back from the given frame. If no frame is given, the
+    current stack is used. Usually used with StackSummary.extract.
+    """
+    if f is None:
+        f = sys._getframe().f_back.f_back
+    while f is not None:
+        yield f, f.f_lineno
+        f = f.f_back
+
+
+def walk_tb(tb):
+    """Walk a traceback yielding the frame and line number for each frame.
+
+    This will follow tb.tb_next (and thus is in the opposite order to
+    walk_stack). Usually used with StackSummary.extract.
+    """
+    while tb is not None:
+        yield tb.tb_frame, tb.tb_lineno
+        tb = tb.tb_next
+
+
+class StackSummary(list):
+    """A stack of frames."""
+
+    @classmethod
+    def extract(klass, frame_gen, *, limit=None, lookup_lines=True,
+            capture_locals=False):
+        """Create a StackSummary from a traceback or stack object.
+
+        :param frame_gen: A generator that yields (frame, lineno) tuples to
+            include in the stack.
+        :param limit: None to include all frames or the number of frames to
+            include.
+        :param lookup_lines: If True, lookup lines for each frame immediately,
+            otherwise lookup is deferred until the frame is rendered.
+        :param capture_locals: If True, the local variables from each frame will
+            be captured as object representations into the FrameSummary.
+        """
+        if limit is None:
+            limit = getattr(sys, 'tracebacklimit', None)
+
+        result = klass()
+        fnames = set()
+        for pos, (f, lineno) in enumerate(frame_gen):
+            if limit is not None and pos >= limit:
+                break
+            co = f.f_code
+            filename = co.co_filename
+            name = co.co_name
+
+            fnames.add(filename)
+            linecache.lazycache(filename, f.f_globals)
+            # Must defer line lookups until we have called checkcache.
+            if capture_locals:
+                f_locals = f.f_locals
+            else:
+                f_locals = None
+            result.append(FrameSummary(
+                filename, lineno, name, lookup_line=False, locals=f_locals))
+        for filename in fnames:
+            linecache.checkcache(filename)
+        # If immediate lookup was desired, trigger lookups now.
+        if lookup_lines:
+            for f in result:
+                f.line
+        return result
+
+    @classmethod
+    def from_list(klass, a_list):
+        """Create a StackSummary from a simple list of tuples.
+
+        This method supports the older Python API. Each tuple should be a
+        4-tuple with (filename, lineno, name, line) elements.
+        """
+        # While doing a fast-path check for isinstance(a_list, StackSummary) is
+        # appealing, idlelib.run.cleanup_traceback and other similar code may
+        # break this by making arbitrary frames plain tuples, so we need to
+        # check on a frame by frame basis.
+        result = StackSummary()
+        for frame in a_list:
+            if isinstance(frame, FrameSummary):
+                result.append(frame)
+            else:
+                filename, lineno, name, line = frame
+                result.append(FrameSummary(filename, lineno, name, line=line))
+        return result
+
+    def format(self):
+        """Format the stack ready for printing.
+
+        Returns a list of strings ready for printing.  Each string in the
+        resulting list corresponds to a single frame from the stack.
+        Each string ends in a newline; the strings may contain internal
+        newlines as well, for those items with source text lines.
+        """
+        result = []
+        for frame in self:
+            row = []
+            row.append('  File "{}", line {}, in {}\n'.format(
+                frame.filename, frame.lineno, frame.name))
+            if frame.line:
+                row.append('    {}\n'.format(frame.line.strip()))
+            if frame.locals:
+                for name, value in sorted(frame.locals.items()):
+                    row.append('    {name} = {value}\n'.format(name=name, value=value))
+            result.append(''.join(row))
+        return result
+
+
+class TracebackException:
+    """An exception ready for rendering.
+
+    The traceback module captures enough attributes from the original exception
+    to this intermediary form to ensure that no references are held, while
+    still being able to fully print or format it.
+
+    Use `from_exception` to create TracebackException instances from exception
+    objects, or the constructor to create TracebackException instances from
+    individual components.
+
+    - :attr:`__cause__` A TracebackException of the original *__cause__*.
+    - :attr:`__context__` A TracebackException of the original *__context__*.
+    - :attr:`__suppress_context__` The *__suppress_context__* value from the
+      original exception.
+    - :attr:`stack` A `StackSummary` representing the traceback.
+    - :attr:`exc_type` The class of the original traceback.
+    - :attr:`filename` For syntax errors - the filename where the error
+      occured.
+    - :attr:`lineno` For syntax errors - the linenumber where the error
+      occured.
+    - :attr:`text` For syntax errors - the text where the error
+      occured.
+    - :attr:`offset` For syntax errors - the offset into the text where the
+      error occured.
+    - :attr:`msg` For syntax errors - the compiler error message.
+    """
+
+    def __init__(self, exc_type, exc_value, exc_traceback, *, limit=None,
+            lookup_lines=True, capture_locals=False, _seen=None):
+        # NB: we need to accept exc_traceback, exc_value, exc_traceback to
+        # permit backwards compat with the existing API, otherwise we
+        # need stub thunk objects just to glue it together.
+        # Handle loops in __cause__ or __context__.
+        if _seen is None:
+            _seen = set()
+        _seen.add(exc_value)
+        # Gracefully handle (the way Python 2.4 and earlier did) the case of
+        # being called with no type or value (None, None, None).
+        if (exc_value and exc_value.__cause__ is not None
+            and exc_value.__cause__ not in _seen):
+            cause = TracebackException(
+                type(exc_value.__cause__),
+                exc_value.__cause__,
+                exc_value.__cause__.__traceback__,
+                limit=limit,
+                lookup_lines=False,
+                capture_locals=capture_locals,
+                _seen=_seen)
+        else:
+            cause = None
+        if (exc_value and exc_value.__context__ is not None
+            and exc_value.__context__ not in _seen):
+            context = TracebackException(
+                type(exc_value.__context__),
+                exc_value.__context__,
+                exc_value.__context__.__traceback__,
+                limit=limit,
+                lookup_lines=False,
+                capture_locals=capture_locals,
+                _seen=_seen)
+        else:
+            context = None
+        self.__cause__ = cause
+        self.__context__ = context
+        self.__suppress_context__ = \
+            exc_value.__suppress_context__ if exc_value else False
+        # TODO: locals.
+        self.stack = StackSummary.extract(
+            walk_tb(exc_traceback), limit=limit, lookup_lines=lookup_lines,
+            capture_locals=capture_locals)
+        self.exc_type = exc_type
+        # Capture now to permit freeing resources: only complication is in the
+        # unofficial API _format_final_exc_line
+        self._str = _some_str(exc_value)
+        if exc_type and issubclass(exc_type, SyntaxError):
+            # Handle SyntaxError's specially
+            self.filename = exc_value.filename
+            self.lineno = str(exc_value.lineno)
+            self.text = exc_value.text
+            self.offset = exc_value.offset
+            self.msg = exc_value.msg
+        if lookup_lines:
+            self._load_lines()
+
+    @classmethod
+    def from_exception(self, exc, *args, **kwargs):
+        """Create a TracebackException from an exception."""
+        return TracebackException(
+            type(exc), exc, exc.__traceback__, *args, **kwargs)
+
+    def _load_lines(self):
+        """Private API. force all lines in the stack to be loaded."""
+        for frame in self.stack:
+            frame.line
+        if self.__context__:
+            self.__context__._load_lines()
+        if self.__cause__:
+            self.__cause__._load_lines()
+
+    def __eq__(self, other):
+        return self.__dict__ == other.__dict__
+
+    def __str__(self):
+        return self._str
+
+    def format_exception_only(self):
+        """Format the exception part of the traceback.
+
+        The return value is a generator of strings, each ending in a newline.
+
+        Normally, the generator emits a single string; however, for
+        SyntaxError exceptions, it emites several lines that (when
+        printed) display detailed information about where the syntax
+        error occurred.
+
+        The message indicating which exception occurred is always the last
+        string in the output.
+        """
+        if self.exc_type is None:
+            yield _format_final_exc_line(None, self._str)
+            return
+
+        stype = self.exc_type.__qualname__
+        smod = self.exc_type.__module__
+        if smod not in ("__main__", "builtins"):
+            stype = smod + '.' + stype
+
+        if not issubclass(self.exc_type, SyntaxError):
+            yield _format_final_exc_line(stype, self._str)
+            return
+
+        # It was a syntax error; show exactly where the problem was found.
+        filename = self.filename or "<string>"
+        lineno = str(self.lineno) or '?'
+        yield '  File "{}", line {}\n'.format(filename, lineno)
+
+        badline = self.text
+        offset = self.offset
+        if badline is not None:
+            yield '    {}\n'.format(badline.strip())
+            if offset is not None:
+                caretspace = badline.rstrip('\n')
+                offset = min(len(caretspace), offset) - 1
+                caretspace = caretspace[:offset].lstrip()
+                # non-space whitespace (likes tabs) must be kept for alignment
+                caretspace = ((c.isspace() and c or ' ') for c in caretspace)
+                yield '    {}^\n'.format(''.join(caretspace))
+        msg = self.msg or "<no detail available>"
+        yield "{}: {}\n".format(stype, msg)
+
+    def format(self, *, chain=True):
+        """Format the exception.
+
+        If chain is not *True*, *__cause__* and *__context__* will not be formatted.
+
+        The return value is a generator of strings, each ending in a newline and
+        some containing internal newlines. `print_exception` is a wrapper around
+        this method which just prints the lines to a file.
+
+        The message indicating which exception occurred is always the last
+        string in the output.
+        """
+        if chain:
+            if self.__cause__ is not None:
+                yield from self.__cause__.format(chain=chain)
+                yield _cause_message
+            elif (self.__context__ is not None and
+                not self.__suppress_context__):
+                yield from self.__context__.format(chain=chain)
+                yield _context_message
+        yield 'Traceback (most recent call last):\n'
+        yield from self.stack.format()
+        yield from self.format_exception_only()
diff --git a/Lib/tracemalloc.py b/Lib/tracemalloc.py
index adedfc5..6288da8 100644
--- a/Lib/tracemalloc.py
+++ b/Lib/tracemalloc.py
@@ -297,7 +297,7 @@ class _Traces(Sequence):
 
 def _normalize_filename(filename):
     filename = os.path.normcase(filename)
-    if filename.endswith(('.pyc', '.pyo')):
+    if filename.endswith('.pyc'):
         filename = filename[:-1]
     return filename
 
diff --git a/Lib/turtledemo/__main__.py b/Lib/turtledemo/__main__.py
index 106d058..106d058 100755..100644
--- a/Lib/turtledemo/__main__.py
+++ b/Lib/turtledemo/__main__.py
diff --git a/Lib/turtledemo/sorting_animate.py b/Lib/turtledemo/sorting_animate.py
new file mode 100644
index 0000000..d25a0ab
--- /dev/null
+++ b/Lib/turtledemo/sorting_animate.py
@@ -0,0 +1,204 @@
+#!/usr/bin/env python3
+"""
+
+         sorting_animation.py
+
+A minimal sorting algorithm animation:
+Sorts a shelf of 10 blocks using insertion
+sort, selection sort and quicksort.
+
+Shelfs are implemented using builtin lists.
+
+Blocks are turtles with shape "square", but
+stretched to rectangles by shapesize()
+ ---------------------------------------
+       To exit press space button
+ ---------------------------------------
+"""
+from turtle import *
+import random
+
+
+class Block(Turtle):
+
+    def __init__(self, size):
+        self.size = size
+        Turtle.__init__(self, shape="square", visible=False)
+        self.pu()
+        self.shapesize(size * 1.5, 1.5, 2) # square-->rectangle
+        self.fillcolor("black")
+        self.st()
+
+    def glow(self):
+        self.fillcolor("red")
+
+    def unglow(self):
+        self.fillcolor("black")
+
+    def __repr__(self):
+        return "Block size: {0}".format(self.size)
+
+
+class Shelf(list):
+
+    def __init__(self, y):
+        "create a shelf. y is y-position of first block"
+        self.y = y
+        self.x = -150
+
+    def push(self, d):
+        width, _, _ = d.shapesize()
+        # align blocks by the bottom edge
+        y_offset = width / 2 * 20
+        d.sety(self.y + y_offset)
+        d.setx(self.x + 34 * len(self))
+        self.append(d)
+
+    def _close_gap_from_i(self, i):
+        for b in self[i:]:
+            xpos, _ = b.pos()
+            b.setx(xpos - 34)
+
+    def _open_gap_from_i(self, i):
+        for b in self[i:]:
+            xpos, _ = b.pos()
+            b.setx(xpos + 34)
+
+    def pop(self, key):
+        b = list.pop(self, key)
+        b.glow()
+        b.sety(200)
+        self._close_gap_from_i(key)
+        return b
+
+    def insert(self, key, b):
+        self._open_gap_from_i(key)
+        list.insert(self, key, b)
+        b.setx(self.x + 34 * key)
+        width, _, _ = b.shapesize()
+        # align blocks by the bottom edge
+        y_offset = width / 2 * 20
+        b.sety(self.y + y_offset)
+        b.unglow()
+
+def isort(shelf):
+    length = len(shelf)
+    for i in range(1, length):
+        hole = i
+        while hole > 0 and shelf[i].size < shelf[hole - 1].size:
+            hole = hole - 1
+        shelf.insert(hole, shelf.pop(i))
+    return
+
+def ssort(shelf):
+    length = len(shelf)
+    for j in range(0, length - 1):
+        imin = j
+        for i in range(j + 1, length):
+            if shelf[i].size < shelf[imin].size:
+                imin = i
+        if imin != j:
+            shelf.insert(j, shelf.pop(imin))
+
+def partition(shelf, left, right, pivot_index):
+    pivot = shelf[pivot_index]
+    shelf.insert(right, shelf.pop(pivot_index))
+    store_index = left
+    for i in range(left, right): # range is non-inclusive of ending value
+        if shelf[i].size < pivot.size:
+            shelf.insert(store_index, shelf.pop(i))
+            store_index = store_index + 1
+    shelf.insert(store_index, shelf.pop(right)) # move pivot to correct position
+    return store_index
+
+def qsort(shelf, left, right):
+    if left < right:
+        pivot_index = left
+        pivot_new_index = partition(shelf, left, right, pivot_index)
+        qsort(shelf, left, pivot_new_index - 1)
+        qsort(shelf, pivot_new_index + 1, right)
+
+def randomize():
+    disable_keys()
+    clear()
+    target = list(range(10))
+    random.shuffle(target)
+    for i, t in enumerate(target):
+        for j in range(i, len(s)):
+            if s[j].size == t + 1:
+                s.insert(i, s.pop(j))
+    show_text(instructions1)
+    show_text(instructions2, line=1)
+    enable_keys()
+
+def show_text(text, line=0):
+    line = 20 * line
+    goto(0,-250 - line)
+    write(text, align="center", font=("Courier", 16, "bold"))
+
+def start_ssort():
+    disable_keys()
+    clear()
+    show_text("Selection Sort")
+    ssort(s)
+    clear()
+    show_text(instructions1)
+    show_text(instructions2, line=1)
+    enable_keys()
+
+def start_isort():
+    disable_keys()
+    clear()
+    show_text("Insertion Sort")
+    isort(s)
+    clear()
+    show_text(instructions1)
+    show_text(instructions2, line=1)
+    enable_keys()
+
+def start_qsort():
+    disable_keys()
+    clear()
+    show_text("Quicksort")
+    qsort(s, 0, len(s) - 1)
+    clear()
+    show_text(instructions1)
+    show_text(instructions2, line=1)
+    enable_keys()
+
+def init_shelf():
+    global s
+    s = Shelf(-200)
+    vals = (4, 2, 8, 9, 1, 5, 10, 3, 7, 6)
+    for i in vals:
+        s.push(Block(i))
+
+def disable_keys():
+    onkey(None, "s")
+    onkey(None, "i")
+    onkey(None, "q")
+    onkey(None, "r")
+
+def enable_keys():
+    onkey(start_isort, "i")
+    onkey(start_ssort, "s")
+    onkey(start_qsort, "q")
+    onkey(randomize, "r")
+    onkey(bye, "space")
+
+def main():
+    getscreen().clearscreen()
+    ht(); penup()
+    init_shelf()
+    show_text(instructions1)
+    show_text(instructions2, line=1)
+    enable_keys()
+    listen()
+    return "EVENTLOOP"
+
+instructions1 = "press i for insertion sort, s for selection sort, q for quicksort"
+instructions2 = "spacebar to quit, r to randomize"
+
+if __name__=="__main__":
+    msg = main()
+    mainloop()
diff --git a/Lib/unittest/__init__.py b/Lib/unittest/__init__.py
index a5d50af..f6d7ae2 100644
--- a/Lib/unittest/__init__.py
+++ b/Lib/unittest/__init__.py
@@ -67,3 +67,12 @@ from .signals import installHandler, registerResult, removeResult, removeHandler
 
 # deprecated
 _TextTestResult = TextTestResult
+
+# There are no tests here, so don't try to run anything discovered from
+# introspecting the symbols (e.g. FunctionTestCase). Instead, all our
+# tests come from within unittest.test.
+def load_tests(loader, tests, pattern):
+    import os.path
+    # top level directory cached on loader instance
+    this_dir = os.path.dirname(__file__)
+    return loader.discover(start_dir=this_dir, pattern=pattern)
diff --git a/Lib/unittest/loader.py b/Lib/unittest/loader.py
index af39216..c776f16 100644
--- a/Lib/unittest/loader.py
+++ b/Lib/unittest/loader.py
@@ -6,6 +6,7 @@ import sys
 import traceback
 import types
 import functools
+import warnings
 
 from fnmatch import fnmatch
 
@@ -13,9 +14,9 @@ from . import case, suite, util
 
 __unittest = True
 
-# what about .pyc or .pyo (etc)
+# what about .pyc (etc)
 # we would need to avoid loading the same tests multiple times
-# from '.py', '.pyc' *and* '.pyo'
+# from '.py', *and* '.pyc'
 VALID_MODULE_NAME = re.compile(r'[_a-z]\w*\.py$', re.IGNORECASE)
 
 
@@ -35,15 +36,18 @@ class _FailedTest(case.TestCase):
 
 
 def _make_failed_import_test(name, suiteClass):
-    message = 'Failed to import test module: %s\n%s' % (name, traceback.format_exc())
-    return _make_failed_test(name, ImportError(message), suiteClass)
+    message = 'Failed to import test module: %s\n%s' % (
+        name, traceback.format_exc())
+    return _make_failed_test(name, ImportError(message), suiteClass, message)
 
 def _make_failed_load_tests(name, exception, suiteClass):
-    return _make_failed_test(name, exception, suiteClass)
+    message = 'Failed to call load_tests:\n%s' % (traceback.format_exc(),)
+    return _make_failed_test(
+        name, exception, suiteClass, message)
 
-def _make_failed_test(methodname, exception, suiteClass):
+def _make_failed_test(methodname, exception, suiteClass, message):
     test = _FailedTest(methodname, exception)
-    return suiteClass((test,))
+    return suiteClass((test,)), message
 
 def _make_skipped_test(methodname, exception, suiteClass):
     @case.skip(str(exception))
@@ -69,6 +73,13 @@ class TestLoader(object):
     suiteClass = suite.TestSuite
     _top_level_dir = None
 
+    def __init__(self):
+        super(TestLoader, self).__init__()
+        self.errors = []
+        # Tracks packages which we have called into via load_tests, to
+        # avoid infinite re-entrancy.
+        self._loading_packages = set()
+
     def loadTestsFromTestCase(self, testCaseClass):
         """Return a suite of all tests cases contained in testCaseClass"""
         if issubclass(testCaseClass, suite.TestSuite):
@@ -81,8 +92,30 @@ class TestLoader(object):
         loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
         return loaded_suite
 
-    def loadTestsFromModule(self, module, use_load_tests=True):
+    # XXX After Python 3.5, remove backward compatibility hacks for
+    # use_load_tests deprecation via *args and **kws.  See issue 16662.
+    def loadTestsFromModule(self, module, *args, pattern=None, **kws):
         """Return a suite of all tests cases contained in the given module"""
+        # This method used to take an undocumented and unofficial
+        # use_load_tests argument.  For backward compatibility, we still
+        # accept the argument (which can also be the first position) but we
+        # ignore it and issue a deprecation warning if it's present.
+        if len(args) > 0 or 'use_load_tests' in kws:
+            warnings.warn('use_load_tests is deprecated and ignored',
+                          DeprecationWarning)
+            kws.pop('use_load_tests', None)
+        if len(args) > 1:
+            # Complain about the number of arguments, but don't forget the
+            # required `module` argument.
+            complaint = len(args) + 1
+            raise TypeError('loadTestsFromModule() takes 1 positional argument but {} were given'.format(complaint))
+        if len(kws) != 0:
+            # Since the keyword arguments are unsorted (see PEP 468), just
+            # pick the alphabetically sorted first argument to complain about,
+            # if multiple were given.  At least the error message will be
+            # predictable.
+            complaint = sorted(kws)[0]
+            raise TypeError("loadTestsFromModule() got an unexpected keyword argument '{}'".format(complaint))
         tests = []
         for name in dir(module):
             obj = getattr(module, name)
@@ -91,12 +124,14 @@ class TestLoader(object):
 
         load_tests = getattr(module, 'load_tests', None)
         tests = self.suiteClass(tests)
-        if use_load_tests and load_tests is not None:
+        if load_tests is not None:
             try:
-                return load_tests(self, tests, None)
+                return load_tests(self, tests, pattern)
             except Exception as e:
-                return _make_failed_load_tests(module.__name__, e,
-                                               self.suiteClass)
+                error_case, error_message = _make_failed_load_tests(
+                    module.__name__, e, self.suiteClass)
+                self.errors.append(error_message)
+                return error_case
         return tests
 
     def loadTestsFromName(self, name, module=None):
@@ -109,20 +144,47 @@ class TestLoader(object):
         The method optionally resolves the names relative to a given module.
         """
         parts = name.split('.')
+        error_case, error_message = None, None
         if module is None:
             parts_copy = parts[:]
             while parts_copy:
                 try:
-                    module = __import__('.'.join(parts_copy))
+                    module_name = '.'.join(parts_copy)
+                    module = __import__(module_name)
                     break
                 except ImportError:
-                    del parts_copy[-1]
+                    next_attribute = parts_copy.pop()
+                    # Last error so we can give it to the user if needed.
+                    error_case, error_message = _make_failed_import_test(
+                        next_attribute, self.suiteClass)
                     if not parts_copy:
-                        raise
+                        # Even the top level import failed: report that error.
+                        self.errors.append(error_message)
+                        return error_case
             parts = parts[1:]
         obj = module
         for part in parts:
-            parent, obj = obj, getattr(obj, part)
+            try:
+                parent, obj = obj, getattr(obj, part)
+            except AttributeError as e:
+                # We can't traverse some part of the name.
+                if (getattr(obj, '__path__', None) is not None
+                    and error_case is not None):
+                    # This is a package (no __path__ per importlib docs), and we
+                    # encountered an error importing something. We cannot tell
+                    # the difference between package.WrongNameTestClass and
+                    # package.wrong_module_name so we just report the
+                    # ImportError - it is more informative.
+                    self.errors.append(error_message)
+                    return error_case
+                else:
+                    # Otherwise, we signal that an AttributeError has occurred.
+                    error_case, error_message = _make_failed_test(
+                        part, e, self.suiteClass,
+                        'Failed to access attribute:\n%s' % (
+                            traceback.format_exc(),))
+                    self.errors.append(error_message)
+                    return error_case
 
         if isinstance(obj, types.ModuleType):
             return self.loadTestsFromModule(obj)
@@ -181,9 +243,13 @@ class TestLoader(object):
 
         If a test package name (directory with '__init__.py') matches the
         pattern then the package will be checked for a 'load_tests' function. If
-        this exists then it will be called with loader, tests, pattern.
+        this exists then it will be called with (loader, tests, pattern) unless
+        the package has already had load_tests called from the same discovery
+        invocation, in which case the package module object is not scanned for
+        tests - this ensures that when a package uses discover to further
+        discover child tests that infinite recursion does not happen.
 
-        If load_tests exists then discovery does  *not* recurse into the package,
+        If load_tests exists then discovery does *not* recurse into the package,
         load_tests is responsible for loading all tests in the package.
 
         The pattern is deliberately not stored as a loader attribute so that
@@ -288,6 +354,8 @@ class TestLoader(object):
             return os.path.dirname(full_path)
 
     def _get_name_from_path(self, path):
+        if path == self._top_level_dir:
+            return '.'
         path = _jython_aware_splitext(os.path.normpath(path))
 
         _relpath = os.path.relpath(path, self._top_level_dir)
@@ -307,63 +375,111 @@ class TestLoader(object):
 
     def _find_tests(self, start_dir, pattern, namespace=False):
         """Used by discovery. Yields test suites it loads."""
+        # Handle the __init__ in this package
+        name = self._get_name_from_path(start_dir)
+        # name is '.' when start_dir == top_level_dir (and top_level_dir is by
+        # definition not a package).
+        if name != '.' and name not in self._loading_packages:
+            # name is in self._loading_packages while we have called into
+            # loadTestsFromModule with name.
+            tests, should_recurse = self._find_test_path(
+                start_dir, pattern, namespace)
+            if tests is not None:
+                yield tests
+            if not should_recurse:
+                # Either an error occured, or load_tests was used by the
+                # package.
+                return
+        # Handle the contents.
         paths = sorted(os.listdir(start_dir))
-
         for path in paths:
             full_path = os.path.join(start_dir, path)
-            if os.path.isfile(full_path):
-                if not VALID_MODULE_NAME.match(path):
-                    # valid Python identifiers only
-                    continue
-                if not self._match_path(path, full_path, pattern):
-                    continue
-                # if the test file matches, load it
+            tests, should_recurse = self._find_test_path(
+                full_path, pattern, namespace)
+            if tests is not None:
+                yield tests
+            if should_recurse:
+                # we found a package that didn't use load_tests.
                 name = self._get_name_from_path(full_path)
+                self._loading_packages.add(name)
                 try:
-                    module = self._get_module_from_name(name)
-                except case.SkipTest as e:
-                    yield _make_skipped_test(name, e, self.suiteClass)
-                except:
-                    yield _make_failed_import_test(name, self.suiteClass)
-                else:
-                    mod_file = os.path.abspath(getattr(module, '__file__', full_path))
-                    realpath = _jython_aware_splitext(os.path.realpath(mod_file))
-                    fullpath_noext = _jython_aware_splitext(os.path.realpath(full_path))
-                    if realpath.lower() != fullpath_noext.lower():
-                        module_dir = os.path.dirname(realpath)
-                        mod_name = _jython_aware_splitext(os.path.basename(full_path))
-                        expected_dir = os.path.dirname(full_path)
-                        msg = ("%r module incorrectly imported from %r. Expected %r. "
-                               "Is this module globally installed?")
-                        raise ImportError(msg % (mod_name, module_dir, expected_dir))
-                    yield self.loadTestsFromModule(module)
-            elif os.path.isdir(full_path):
-                if (not namespace and
-                    not os.path.isfile(os.path.join(full_path, '__init__.py'))):
-                    continue
-
-                load_tests = None
-                tests = None
-                if fnmatch(path, pattern):
-                    # only check load_tests if the package directory itself matches the filter
-                    name = self._get_name_from_path(full_path)
-                    package = self._get_module_from_name(name)
-                    load_tests = getattr(package, 'load_tests', None)
-                    tests = self.loadTestsFromModule(package, use_load_tests=False)
-
-                if load_tests is None:
-                    if tests is not None:
-                        # tests loaded from package file
-                        yield tests
-                    # recurse into the package
-                    yield from self._find_tests(full_path, pattern,
-                                                namespace=namespace)
-                else:
-                    try:
-                        yield load_tests(self, tests, pattern)
-                    except Exception as e:
-                        yield _make_failed_load_tests(package.__name__, e,
-                                                      self.suiteClass)
+                    yield from self._find_tests(full_path, pattern, namespace)
+                finally:
+                    self._loading_packages.discard(name)
+
+    def _find_test_path(self, full_path, pattern, namespace=False):
+        """Used by discovery.
+
+        Loads tests from a single file, or a directories' __init__.py when
+        passed the directory.
+
+        Returns a tuple (None_or_tests_from_file, should_recurse).
+        """
+        basename = os.path.basename(full_path)
+        if os.path.isfile(full_path):
+            if not VALID_MODULE_NAME.match(basename):
+                # valid Python identifiers only
+                return None, False
+            if not self._match_path(basename, full_path, pattern):
+                return None, False
+            # if the test file matches, load it
+            name = self._get_name_from_path(full_path)
+            try:
+                module = self._get_module_from_name(name)
+            except case.SkipTest as e:
+                return _make_skipped_test(name, e, self.suiteClass), False
+            except:
+                error_case, error_message = \
+                    _make_failed_import_test(name, self.suiteClass)
+                self.errors.append(error_message)
+                return error_case, False
+            else:
+                mod_file = os.path.abspath(
+                    getattr(module, '__file__', full_path))
+                realpath = _jython_aware_splitext(
+                    os.path.realpath(mod_file))
+                fullpath_noext = _jython_aware_splitext(
+                    os.path.realpath(full_path))
+                if realpath.lower() != fullpath_noext.lower():
+                    module_dir = os.path.dirname(realpath)
+                    mod_name = _jython_aware_splitext(
+                        os.path.basename(full_path))
+                    expected_dir = os.path.dirname(full_path)
+                    msg = ("%r module incorrectly imported from %r. Expected "
+                           "%r. Is this module globally installed?")
+                    raise ImportError(
+                        msg % (mod_name, module_dir, expected_dir))
+                return self.loadTestsFromModule(module, pattern=pattern), False
+        elif os.path.isdir(full_path):
+            if (not namespace and
+                not os.path.isfile(os.path.join(full_path, '__init__.py'))):
+                return None, False
+
+            load_tests = None
+            tests = None
+            name = self._get_name_from_path(full_path)
+            try:
+                package = self._get_module_from_name(name)
+            except case.SkipTest as e:
+                return _make_skipped_test(name, e, self.suiteClass), False
+            except:
+                error_case, error_message = \
+                    _make_failed_import_test(name, self.suiteClass)
+                self.errors.append(error_message)
+                return error_case, False
+            else:
+                load_tests = getattr(package, 'load_tests', None)
+                # Mark this package as being in load_tests (possibly ;))
+                self._loading_packages.add(name)
+                try:
+                    tests = self.loadTestsFromModule(package, pattern=pattern)
+                    if load_tests is not None:
+                        # loadTestsFromModule(package) has loaded tests for us.
+                        return tests, False
+                    return tests, True
+                finally:
+                    self._loading_packages.discard(name)
+
 
 defaultTestLoader = TestLoader()
 
diff --git a/Lib/unittest/main.py b/Lib/unittest/main.py
index 180df86..b209a3a 100644
--- a/Lib/unittest/main.py
+++ b/Lib/unittest/main.py
@@ -58,7 +58,7 @@ class TestProgram(object):
     def __init__(self, module='__main__', defaultTest=None, argv=None,
                     testRunner=None, testLoader=loader.defaultTestLoader,
                     exit=True, verbosity=1, failfast=None, catchbreak=None,
-                    buffer=None, warnings=None):
+                    buffer=None, warnings=None, *, tb_locals=False):
         if isinstance(module, str):
             self.module = __import__(module)
             for part in module.split('.')[1:]:
@@ -73,8 +73,9 @@ class TestProgram(object):
         self.catchbreak = catchbreak
         self.verbosity = verbosity
         self.buffer = buffer
+        self.tb_locals = tb_locals
         if warnings is None and not sys.warnoptions:
-            # even if DreprecationWarnings are ignored by default
+            # even if DeprecationWarnings are ignored by default
             # print them anyway unless other warnings settings are
             # specified by the warnings arg or the -W python flag
             self.warnings = 'default'
@@ -159,7 +160,9 @@ class TestProgram(object):
         parser.add_argument('-q', '--quiet', dest='verbosity',
                             action='store_const', const=0,
                             help='Quiet output')
-
+        parser.add_argument('--locals', dest='tb_locals',
+                            action='store_true',
+                            help='Show local variables in tracebacks')
         if self.failfast is None:
             parser.add_argument('-f', '--failfast', dest='failfast',
                                 action='store_true',
@@ -231,10 +234,18 @@ class TestProgram(object):
             self.testRunner = runner.TextTestRunner
         if isinstance(self.testRunner, type):
             try:
-                testRunner = self.testRunner(verbosity=self.verbosity,
-                                             failfast=self.failfast,
-                                             buffer=self.buffer,
-                                             warnings=self.warnings)
+                try:
+                    testRunner = self.testRunner(verbosity=self.verbosity,
+                                                 failfast=self.failfast,
+                                                 buffer=self.buffer,
+                                                 warnings=self.warnings,
+                                                 tb_locals=self.tb_locals)
+                except TypeError:
+                    # didn't accept the tb_locals argument
+                    testRunner = self.testRunner(verbosity=self.verbosity,
+                                                 failfast=self.failfast,
+                                                 buffer=self.buffer,
+                                                 warnings=self.warnings)
             except TypeError:
                 # didn't accept the verbosity, buffer or failfast arguments
                 testRunner = self.testRunner()
diff --git a/Lib/unittest/mock.py b/Lib/unittest/mock.py
index 1b1c9f4..c3ab4e8 100644
--- a/Lib/unittest/mock.py
+++ b/Lib/unittest/mock.py
@@ -27,9 +27,13 @@ __version__ = '1.0'
 import inspect
 import pprint
 import sys
+import builtins
+from types import ModuleType
 from functools import wraps, partial
 
 
+_builtins = {name for name in dir(builtins) if not name.startswith('_')}
+
 BaseExceptions = (BaseException,)
 if 'java' in sys.platform:
     # jython
@@ -271,13 +275,11 @@ def _copy(value):
     return value
 
 
-_allowed_names = set(
-    [
-        'return_value', '_mock_return_value', 'side_effect',
-        '_mock_side_effect', '_mock_parent', '_mock_new_parent',
-        '_mock_name', '_mock_new_name'
-    ]
-)
+_allowed_names = {
+    'return_value', '_mock_return_value', 'side_effect',
+    '_mock_side_effect', '_mock_parent', '_mock_new_parent',
+    '_mock_name', '_mock_new_name'
+}
 
 
 def _delegating_property(name):
@@ -375,7 +377,7 @@ class NonCallableMock(Base):
     def __init__(
             self, spec=None, wraps=None, name=None, spec_set=None,
             parent=None, _spec_state=None, _new_name='', _new_parent=None,
-            _spec_as_instance=False, _eat_self=None, **kwargs
+            _spec_as_instance=False, _eat_self=None, unsafe=False, **kwargs
         ):
         if _new_parent is None:
             _new_parent = parent
@@ -405,6 +407,7 @@ class NonCallableMock(Base):
         __dict__['_mock_mock_calls'] = _CallList()
 
         __dict__['method_calls'] = _CallList()
+        __dict__['_mock_unsafe'] = unsafe
 
         if kwargs:
             self.configure_mock(**kwargs)
@@ -561,13 +564,16 @@ class NonCallableMock(Base):
 
 
     def __getattr__(self, name):
-        if name == '_mock_methods':
+        if name in {'_mock_methods', '_mock_unsafe'}:
             raise AttributeError(name)
         elif self._mock_methods is not None:
             if name not in self._mock_methods or name in _all_magics:
                 raise AttributeError("Mock object has no attribute %r" % name)
         elif _is_magic(name):
             raise AttributeError(name)
+        if not self._mock_unsafe:
+            if name.startswith(('assert', 'assret')):
+                raise AttributeError(name)
 
         result = self._mock_children.get(name)
         if result is _deleted:
@@ -750,6 +756,14 @@ class NonCallableMock(Base):
         else:
             return _call
 
+    def assert_not_called(_mock_self):
+        """assert that the mock was never called.
+        """
+        self = _mock_self
+        if self.call_count != 0:
+            msg = ("Expected '%s' to not have been called. Called %s times." %
+                   (self._mock_name or 'mock', self.call_count))
+            raise AssertionError(msg)
 
     def assert_called_with(_mock_self, *args, **kwargs):
         """assert that the mock was called with the specified arguments.
@@ -1166,6 +1180,9 @@ class _patch(object):
         else:
             local = True
 
+        if name in _builtins and isinstance(target, ModuleType):
+            self.create = True
+
         if not self.create and original is DEFAULT:
             raise AttributeError(
                 "%s does not have the attribute %r" % (target, name)
@@ -1653,7 +1670,7 @@ magic_methods = (
 )
 
 numerics = (
-    "add sub mul div floordiv mod lshift rshift and xor or pow truediv"
+    "add sub mul matmul div floordiv mod lshift rshift and xor or pow truediv"
 )
 inplace = ' '.join('i%s' % n for n in numerics.split())
 right = ' '.join('r%s' % n for n in numerics.split())
@@ -1662,11 +1679,12 @@ right = ' '.join('r%s' % n for n in numerics.split())
 # (as they are metaclass methods)
 # __del__ is not supported at all as it causes problems if it exists
 
-_non_defaults = set('__%s__' % method for method in [
-    'get', 'set', 'delete', 'reversed', 'missing', 'reduce', 'reduce_ex',
-    'getinitargs', 'getnewargs', 'getstate', 'setstate', 'getformat',
-    'setformat', 'repr', 'dir', 'subclasses', 'format',
-])
+_non_defaults = {
+    '__get__', '__set__', '__delete__', '__reversed__', '__missing__',
+    '__reduce__', '__reduce_ex__', '__getinitargs__', '__getnewargs__',
+    '__getstate__', '__setstate__', '__getformat__', '__setformat__',
+    '__repr__', '__dir__', '__subclasses__', '__format__',
+}
 
 
 def _get_method(name, func):
@@ -1677,19 +1695,19 @@ def _get_method(name, func):
     return method
 
 
-_magics = set(
+_magics = {
     '__%s__' % method for method in
     ' '.join([magic_methods, numerics, inplace, right]).split()
-)
+}
 
 _all_magics = _magics | _non_defaults
 
-_unsupported_magics = set([
+_unsupported_magics = {
     '__getattr__', '__setattr__',
     '__init__', '__new__', '__prepare__'
     '__instancecheck__', '__subclasscheck__',
     '__del__'
-])
+}
 
 _calculate_return_value = {
     '__hash__': lambda self: object.__hash__(self),
@@ -1878,7 +1896,7 @@ def _format_call_signature(name, args, kwargs):
     formatted_args = ''
     args_string = ', '.join([repr(arg) for arg in args])
     kwargs_string = ', '.join([
-        '%s=%r' % (key, value) for key, value in kwargs.items()
+        '%s=%r' % (key, value) for key, value in sorted(kwargs.items())
     ])
     if args_string:
         formatted_args = args_string
@@ -2000,10 +2018,6 @@ class _Call(tuple):
         return (other_args, other_kwargs) == (self_args, self_kwargs)
 
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
-
     def __call__(self, *args, **kwargs):
         if self.name is None:
             return _Call(('', args, kwargs), name='()')
@@ -2019,6 +2033,12 @@ class _Call(tuple):
         return _Call(name=name, parent=self, from_kall=False)
 
 
+    def count(self, *args, **kwargs):
+        return self.__getattr__('count')(*args, **kwargs)
+
+    def index(self, *args, **kwargs):
+        return self.__getattr__('index')(*args, **kwargs)
+
     def __repr__(self):
         if not self.from_kall:
             name = self.name or 'call'
diff --git a/Lib/unittest/result.py b/Lib/unittest/result.py
index 8e0a643..a18f11b 100644
--- a/Lib/unittest/result.py
+++ b/Lib/unittest/result.py
@@ -45,6 +45,7 @@ class TestResult(object):
         self.unexpectedSuccesses = []
         self.shouldStop = False
         self.buffer = False
+        self.tb_locals = False
         self._stdout_buffer = None
         self._stderr_buffer = None
         self._original_stdout = sys.stdout
@@ -179,9 +180,11 @@ class TestResult(object):
         if exctype is test.failureException:
             # Skip assert*() traceback levels
             length = self._count_relevant_tb_levels(tb)
-            msgLines = traceback.format_exception(exctype, value, tb, length)
         else:
-            msgLines = traceback.format_exception(exctype, value, tb)
+            length = None
+        tb_e = traceback.TracebackException(
+            exctype, value, tb, limit=length, capture_locals=self.tb_locals)
+        msgLines = list(tb_e.format())
 
         if self.buffer:
             output = sys.stdout.getvalue()
diff --git a/Lib/unittest/runner.py b/Lib/unittest/runner.py
index 28b8865..2112262 100644
--- a/Lib/unittest/runner.py
+++ b/Lib/unittest/runner.py
@@ -126,7 +126,13 @@ class TextTestRunner(object):
     resultclass = TextTestResult
 
     def __init__(self, stream=None, descriptions=True, verbosity=1,
-                 failfast=False, buffer=False, resultclass=None, warnings=None):
+                 failfast=False, buffer=False, resultclass=None, warnings=None,
+                 *, tb_locals=False):
+        """Construct a TextTestRunner.
+
+        Subclasses should accept **kwargs to ensure compatibility as the
+        interface changes.
+        """
         if stream is None:
             stream = sys.stderr
         self.stream = _WritelnDecorator(stream)
@@ -134,6 +140,7 @@ class TextTestRunner(object):
         self.verbosity = verbosity
         self.failfast = failfast
         self.buffer = buffer
+        self.tb_locals = tb_locals
         self.warnings = warnings
         if resultclass is not None:
             self.resultclass = resultclass
@@ -147,6 +154,7 @@ class TextTestRunner(object):
         registerResult(result)
         result.failfast = self.failfast
         result.buffer = self.buffer
+        result.tb_locals = self.tb_locals
         with warnings.catch_warnings():
             if self.warnings:
                 # if self.warnings is set, use it to filter all the warnings
diff --git a/Lib/unittest/test/test_break.py b/Lib/unittest/test/test_break.py
index 0bf1a22..2c75019 100644
--- a/Lib/unittest/test/test_break.py
+++ b/Lib/unittest/test/test_break.py
@@ -211,6 +211,7 @@ class TestBreak(unittest.TestCase):
                 self.verbosity = verbosity
                 self.failfast = failfast
                 self.catchbreak = catchbreak
+                self.tb_locals = False
                 self.testRunner = FakeRunner
                 self.test = test
                 self.result = None
@@ -221,6 +222,7 @@ class TestBreak(unittest.TestCase):
         self.assertEqual(FakeRunner.initArgs, [((), {'buffer': None,
                                                      'verbosity': verbosity,
                                                      'failfast': failfast,
+                                                     'tb_locals': False,
                                                      'warnings': None})])
         self.assertEqual(FakeRunner.runArgs, [test])
         self.assertEqual(p.result, result)
@@ -235,6 +237,7 @@ class TestBreak(unittest.TestCase):
         self.assertEqual(FakeRunner.initArgs, [((), {'buffer': None,
                                                      'verbosity': verbosity,
                                                      'failfast': failfast,
+                                                     'tb_locals': False,
                                                      'warnings': None})])
         self.assertEqual(FakeRunner.runArgs, [test])
         self.assertEqual(p.result, result)
diff --git a/Lib/unittest/test/test_case.py b/Lib/unittest/test/test_case.py
index c7ff3b0..503ad2f 100644
--- a/Lib/unittest/test/test_case.py
+++ b/Lib/unittest/test/test_case.py
@@ -1103,12 +1103,9 @@ test case
         except self.failureException as e:
             # need to remove the first line of the error message
             error = str(e).split('\n', 1)[1]
+            self.assertEqual(sample_text_error, error)
 
-            # no fair testing ourself with ourself, and assertEqual is used for strings
-            # so can't use assertEqual either. Just use assertTrue.
-            self.assertTrue(sample_text_error == error)
-
-    def testAsertEqualSingleLine(self):
+    def testAssertEqualSingleLine(self):
         sample_text = "laden swallows fly slowly"
         revised_sample_text = "unladen swallows fly quickly"
         sample_text_error = """\
@@ -1120,8 +1117,9 @@ test case
         try:
             self.assertEqual(sample_text, revised_sample_text)
         except self.failureException as e:
+            # need to remove the first line of the error message
             error = str(e).split('\n', 1)[1]
-            self.assertTrue(sample_text_error == error)
+            self.assertEqual(sample_text_error, error)
 
     def testAssertIsNone(self):
         self.assertIsNone(None)
diff --git a/Lib/unittest/test/test_discovery.py b/Lib/unittest/test/test_discovery.py
index f12e898..8991f38 100644
--- a/Lib/unittest/test/test_discovery.py
+++ b/Lib/unittest/test/test_discovery.py
@@ -1,4 +1,5 @@
-import os
+import os.path
+from os.path import abspath
 import re
 import sys
 import types
@@ -69,7 +70,13 @@ class TestDiscovery(unittest.TestCase):
         self.addCleanup(restore_isfile)
 
         loader._get_module_from_name = lambda path: path + ' module'
-        loader.loadTestsFromModule = lambda module: module + ' tests'
+        orig_load_tests = loader.loadTestsFromModule
+        def loadTestsFromModule(module, pattern=None):
+            # This is where load_tests is called.
+            base = orig_load_tests(module, pattern=pattern)
+            return base + [module + ' tests']
+        loader.loadTestsFromModule = loadTestsFromModule
+        loader.suiteClass = lambda thing: thing
 
         top_level = os.path.abspath('/foo')
         loader._top_level_dir = top_level
@@ -77,9 +84,9 @@ class TestDiscovery(unittest.TestCase):
 
         # The test suites found should be sorted alphabetically for reliable
         # execution order.
-        expected = [name + ' module tests' for name in
-                    ('test1', 'test2')]
-        expected.extend([('test_dir.%s' % name) + ' module tests' for name in
+        expected = [[name + ' module tests'] for name in
+                    ('test1', 'test2', 'test_dir')]
+        expected.extend([[('test_dir.%s' % name) + ' module tests'] for name in
                     ('test3', 'test4')])
         self.assertEqual(suite, expected)
 
@@ -117,34 +124,204 @@ class TestDiscovery(unittest.TestCase):
                 if os.path.basename(path) == 'test_directory':
                     def load_tests(loader, tests, pattern):
                         self.load_tests_args.append((loader, tests, pattern))
-                        return 'load_tests'
+                        return [self.path + ' load_tests']
                     self.load_tests = load_tests
 
             def __eq__(self, other):
                 return self.path == other.path
 
         loader._get_module_from_name = lambda name: Module(name)
-        def loadTestsFromModule(module, use_load_tests):
-            if use_load_tests:
-                raise self.failureException('use_load_tests should be False for packages')
-            return module.path + ' module tests'
+        orig_load_tests = loader.loadTestsFromModule
+        def loadTestsFromModule(module, pattern=None):
+            # This is where load_tests is called.
+            base = orig_load_tests(module, pattern=pattern)
+            return base + [module.path + ' module tests']
         loader.loadTestsFromModule = loadTestsFromModule
+        loader.suiteClass = lambda thing: thing
 
         loader._top_level_dir = '/foo'
         # this time no '.py' on the pattern so that it can match
         # a test package
         suite = list(loader._find_tests('/foo', 'test*'))
 
-        # We should have loaded tests from the test_directory package by calling load_tests
-        # and directly from the test_directory2 package
+        # We should have loaded tests from the a_directory and test_directory2
+        # directly and via load_tests for the test_directory package, which
+        # still calls the baseline module loader.
         self.assertEqual(suite,
-                         ['load_tests', 'test_directory2' + ' module tests'])
+                         [['a_directory module tests'],
+                          ['test_directory load_tests',
+                           'test_directory module tests'],
+                          ['test_directory2 module tests']])
+
+
         # The test module paths should be sorted for reliable execution order
-        self.assertEqual(Module.paths, ['test_directory', 'test_directory2'])
+        self.assertEqual(Module.paths,
+                         ['a_directory', 'test_directory', 'test_directory2'])
 
         # load_tests should have been called once with loader, tests and pattern
+        # (but there are no tests in our stub module itself, so thats [] at the
+        # time of call.
+        self.assertEqual(Module.load_tests_args,
+                         [(loader, [], 'test*')])
+
+    def test_find_tests_default_calls_package_load_tests(self):
+        loader = unittest.TestLoader()
+
+        original_listdir = os.listdir
+        def restore_listdir():
+            os.listdir = original_listdir
+        original_isfile = os.path.isfile
+        def restore_isfile():
+            os.path.isfile = original_isfile
+        original_isdir = os.path.isdir
+        def restore_isdir():
+            os.path.isdir = original_isdir
+
+        directories = ['a_directory', 'test_directory', 'test_directory2']
+        path_lists = [directories, [], [], []]
+        os.listdir = lambda path: path_lists.pop(0)
+        self.addCleanup(restore_listdir)
+
+        os.path.isdir = lambda path: True
+        self.addCleanup(restore_isdir)
+
+        os.path.isfile = lambda path: os.path.basename(path) not in directories
+        self.addCleanup(restore_isfile)
+
+        class Module(object):
+            paths = []
+            load_tests_args = []
+
+            def __init__(self, path):
+                self.path = path
+                self.paths.append(path)
+                if os.path.basename(path) == 'test_directory':
+                    def load_tests(loader, tests, pattern):
+                        self.load_tests_args.append((loader, tests, pattern))
+                        return [self.path + ' load_tests']
+                    self.load_tests = load_tests
+
+            def __eq__(self, other):
+                return self.path == other.path
+
+        loader._get_module_from_name = lambda name: Module(name)
+        orig_load_tests = loader.loadTestsFromModule
+        def loadTestsFromModule(module, pattern=None):
+            # This is where load_tests is called.
+            base = orig_load_tests(module, pattern=pattern)
+            return base + [module.path + ' module tests']
+        loader.loadTestsFromModule = loadTestsFromModule
+        loader.suiteClass = lambda thing: thing
+
+        loader._top_level_dir = '/foo'
+        # this time no '.py' on the pattern so that it can match
+        # a test package
+        suite = list(loader._find_tests('/foo', 'test*.py'))
+
+        # We should have loaded tests from the a_directory and test_directory2
+        # directly and via load_tests for the test_directory package, which
+        # still calls the baseline module loader.
+        self.assertEqual(suite,
+                         [['a_directory module tests'],
+                          ['test_directory load_tests',
+                           'test_directory module tests'],
+                          ['test_directory2 module tests']])
+        # The test module paths should be sorted for reliable execution order
+        self.assertEqual(Module.paths,
+                         ['a_directory', 'test_directory', 'test_directory2'])
+
+
+        # load_tests should have been called once with loader, tests and pattern
+        self.assertEqual(Module.load_tests_args,
+                         [(loader, [], 'test*.py')])
+
+    def test_find_tests_customise_via_package_pattern(self):
+        # This test uses the example 'do-nothing' load_tests from
+        # https://docs.python.org/3/library/unittest.html#load-tests-protocol
+        # to make sure that that actually works.
+        # Housekeeping
+        original_listdir = os.listdir
+        def restore_listdir():
+            os.listdir = original_listdir
+        self.addCleanup(restore_listdir)
+        original_isfile = os.path.isfile
+        def restore_isfile():
+            os.path.isfile = original_isfile
+        self.addCleanup(restore_isfile)
+        original_isdir = os.path.isdir
+        def restore_isdir():
+            os.path.isdir = original_isdir
+        self.addCleanup(restore_isdir)
+        self.addCleanup(sys.path.remove, abspath('/foo'))
+
+        # Test data: we expect the following:
+        # a listdir to find our package, and a isfile and isdir check on it.
+        # a module-from-name call to turn that into a module
+        # followed by load_tests.
+        # then our load_tests will call discover() which is messy
+        # but that finally chains into find_tests again for the child dir -
+        # which is why we don't have a infinite loop.
+        # We expect to see:
+        # the module load tests for both package and plain module called,
+        # and the plain module result nested by the package module load_tests
+        # indicating that it was processed and could have been mutated.
+        vfs = {abspath('/foo'): ['my_package'],
+               abspath('/foo/my_package'): ['__init__.py', 'test_module.py']}
+        def list_dir(path):
+            return list(vfs[path])
+        os.listdir = list_dir
+        os.path.isdir = lambda path: not path.endswith('.py')
+        os.path.isfile = lambda path: path.endswith('.py')
+
+        class Module(object):
+            paths = []
+            load_tests_args = []
+
+            def __init__(self, path):
+                self.path = path
+                self.paths.append(path)
+                if path.endswith('test_module'):
+                    def load_tests(loader, tests, pattern):
+                        self.load_tests_args.append((loader, tests, pattern))
+                        return [self.path + ' load_tests']
+                else:
+                    def load_tests(loader, tests, pattern):
+                        self.load_tests_args.append((loader, tests, pattern))
+                        # top level directory cached on loader instance
+                        __file__ = '/foo/my_package/__init__.py'
+                        this_dir = os.path.dirname(__file__)
+                        pkg_tests = loader.discover(
+                            start_dir=this_dir, pattern=pattern)
+                        return [self.path + ' load_tests', tests
+                            ] + pkg_tests
+                self.load_tests = load_tests
+
+            def __eq__(self, other):
+                return self.path == other.path
+
+        loader = unittest.TestLoader()
+        loader._get_module_from_name = lambda name: Module(name)
+        loader.suiteClass = lambda thing: thing
+
+        loader._top_level_dir = abspath('/foo')
+        # this time no '.py' on the pattern so that it can match
+        # a test package
+        suite = list(loader._find_tests(abspath('/foo'), 'test*.py'))
+
+        # We should have loaded tests from both my_package and
+        # my_pacakge.test_module, and also run the load_tests hook in both.
+        # (normally this would be nested TestSuites.)
+        self.assertEqual(suite,
+                         [['my_package load_tests', [],
+                          ['my_package.test_module load_tests']]])
+        # Parents before children.
+        self.assertEqual(Module.paths,
+                         ['my_package', 'my_package.test_module'])
+
+        # load_tests should have been called twice with loader, tests and pattern
         self.assertEqual(Module.load_tests_args,
-                         [(loader, 'test_directory' + ' module tests', 'test*')])
+                         [(loader, [], 'test*.py'),
+                          (loader, [], 'test*.py')])
 
     def test_discover(self):
         loader = unittest.TestLoader()
@@ -192,6 +369,51 @@ class TestDiscovery(unittest.TestCase):
         self.assertEqual(_find_tests_args, [(start_dir, 'pattern')])
         self.assertIn(top_level_dir, sys.path)
 
+    def test_discover_start_dir_is_package_calls_package_load_tests(self):
+        # This test verifies that the package load_tests in a package is indeed
+        # invoked when the start_dir is a package (and not the top level).
+        # http://bugs.python.org/issue22457
+
+        # Test data: we expect the following:
+        # an isfile to verify the package, then importing and scanning
+        # as per _find_tests' normal behaviour.
+        # We expect to see our load_tests hook called once.
+        vfs = {abspath('/toplevel'): ['startdir'],
+               abspath('/toplevel/startdir'): ['__init__.py']}
+        def list_dir(path):
+            return list(vfs[path])
+        self.addCleanup(setattr, os, 'listdir', os.listdir)
+        os.listdir = list_dir
+        self.addCleanup(setattr, os.path, 'isfile', os.path.isfile)
+        os.path.isfile = lambda path: path.endswith('.py')
+        self.addCleanup(setattr, os.path, 'isdir', os.path.isdir)
+        os.path.isdir = lambda path: not path.endswith('.py')
+        self.addCleanup(sys.path.remove, abspath('/toplevel'))
+
+        class Module(object):
+            paths = []
+            load_tests_args = []
+
+            def __init__(self, path):
+                self.path = path
+
+            def load_tests(self, loader, tests, pattern):
+                return ['load_tests called ' + self.path]
+
+            def __eq__(self, other):
+                return self.path == other.path
+
+        loader = unittest.TestLoader()
+        loader._get_module_from_name = lambda name: Module(name)
+        loader.suiteClass = lambda thing: thing
+
+        suite = loader.discover('/toplevel/startdir', top_level_dir='/toplevel')
+
+        # We should have loaded tests from the package __init__.
+        # (normally this would be nested TestSuites.)
+        self.assertEqual(suite,
+                         [['load_tests called startdir']])
+
     def setup_import_issue_tests(self, fakefile):
         listdir = os.listdir
         os.listdir = lambda _: [fakefile]
@@ -204,6 +426,17 @@ class TestDiscovery(unittest.TestCase):
             sys.path[:] = orig_sys_path
         self.addCleanup(restore)
 
+    def setup_import_issue_package_tests(self, vfs):
+        self.addCleanup(setattr, os, 'listdir', os.listdir)
+        self.addCleanup(setattr, os.path, 'isfile', os.path.isfile)
+        self.addCleanup(setattr, os.path, 'isdir', os.path.isdir)
+        self.addCleanup(sys.path.__setitem__, slice(None), list(sys.path))
+        def list_dir(path):
+            return list(vfs[path])
+        os.listdir = list_dir
+        os.path.isdir = lambda path: not path.endswith('.py')
+        os.path.isfile = lambda path: path.endswith('.py')
+
     def test_discover_with_modules_that_fail_to_import(self):
         loader = unittest.TestLoader()
 
@@ -212,11 +445,44 @@ class TestDiscovery(unittest.TestCase):
         suite = loader.discover('.')
         self.assertIn(os.getcwd(), sys.path)
         self.assertEqual(suite.countTestCases(), 1)
+        # Errors loading the suite are also captured for introspection.
+        self.assertNotEqual([], loader.errors)
+        self.assertEqual(1, len(loader.errors))
+        error = loader.errors[0]
+        self.assertTrue(
+            'Failed to import test module: test_this_does_not_exist' in error,
+            'missing error string in %r' % error)
         test = list(list(suite)[0])[0] # extract test from suite
 
         with self.assertRaises(ImportError):
             test.test_this_does_not_exist()
 
+    def test_discover_with_init_modules_that_fail_to_import(self):
+        vfs = {abspath('/foo'): ['my_package'],
+               abspath('/foo/my_package'): ['__init__.py', 'test_module.py']}
+        self.setup_import_issue_package_tests(vfs)
+        import_calls = []
+        def _get_module_from_name(name):
+            import_calls.append(name)
+            raise ImportError("Cannot import Name")
+        loader = unittest.TestLoader()
+        loader._get_module_from_name = _get_module_from_name
+        suite = loader.discover(abspath('/foo'))
+
+        self.assertIn(abspath('/foo'), sys.path)
+        self.assertEqual(suite.countTestCases(), 1)
+        # Errors loading the suite are also captured for introspection.
+        self.assertNotEqual([], loader.errors)
+        self.assertEqual(1, len(loader.errors))
+        error = loader.errors[0]
+        self.assertTrue(
+            'Failed to import test module: my_package' in error,
+            'missing error string in %r' % error)
+        test = list(list(suite)[0])[0] # extract test from suite
+        with self.assertRaises(ImportError):
+            test.my_package()
+        self.assertEqual(import_calls, ['my_package'])
+
         # Check picklability
         for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             pickle.loads(pickle.dumps(test, proto))
@@ -241,6 +507,30 @@ class TestDiscovery(unittest.TestCase):
         for proto in range(pickle.HIGHEST_PROTOCOL + 1):
             pickle.loads(pickle.dumps(suite, proto))
 
+    def test_discover_with_init_module_that_raises_SkipTest_on_import(self):
+        vfs = {abspath('/foo'): ['my_package'],
+               abspath('/foo/my_package'): ['__init__.py', 'test_module.py']}
+        self.setup_import_issue_package_tests(vfs)
+        import_calls = []
+        def _get_module_from_name(name):
+            import_calls.append(name)
+            raise unittest.SkipTest('skipperoo')
+        loader = unittest.TestLoader()
+        loader._get_module_from_name = _get_module_from_name
+        suite = loader.discover(abspath('/foo'))
+
+        self.assertIn(abspath('/foo'), sys.path)
+        self.assertEqual(suite.countTestCases(), 1)
+        result = unittest.TestResult()
+        suite.run(result)
+        self.assertEqual(len(result.skipped), 1)
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(import_calls, ['my_package'])
+
+        # Check picklability
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            pickle.loads(pickle.dumps(suite, proto))
+
     def test_command_line_handling_parseArgs(self):
         program = TestableTestProgram()
 
diff --git a/Lib/unittest/test/test_loader.py b/Lib/unittest/test/test_loader.py
index b62a1b5..68f1036 100644
--- a/Lib/unittest/test/test_loader.py
+++ b/Lib/unittest/test/test_loader.py
@@ -1,12 +1,36 @@
 import sys
 import types
-
+import warnings
 
 import unittest
 
+# Decorator used in the deprecation tests to reset the warning registry for
+# test isolation and reproducibility.
+def warningregistry(func):
+    def wrapper(*args, **kws):
+        missing = object()
+        saved = getattr(warnings, '__warningregistry__', missing).copy()
+        try:
+            return func(*args, **kws)
+        finally:
+            if saved is missing:
+                try:
+                    del warnings.__warningregistry__
+                except AttributeError:
+                    pass
+            else:
+                warnings.__warningregistry__ = saved
+
 
 class Test_TestLoader(unittest.TestCase):
 
+    ### Basic object tests
+    ################################################################
+
+    def test___init__(self):
+        loader = unittest.TestLoader()
+        self.assertEqual([], loader.errors)
+
     ### Tests for TestLoader.loadTestsFromTestCase
     ################################################################
 
@@ -150,6 +174,7 @@ class Test_TestLoader(unittest.TestCase):
 
     # Check that loadTestsFromModule honors (or not) a module
     # with a load_tests function.
+    @warningregistry
     def test_loadTestsFromModule__load_tests(self):
         m = types.ModuleType('m')
         class MyTestCase(unittest.TestCase):
@@ -168,10 +193,144 @@ class Test_TestLoader(unittest.TestCase):
         suite = loader.loadTestsFromModule(m)
         self.assertIsInstance(suite, unittest.TestSuite)
         self.assertEqual(load_tests_args, [loader, suite, None])
+        # With Python 3.5, the undocumented and unofficial use_load_tests is
+        # ignored (and deprecated).
+        load_tests_args = []
+        with warnings.catch_warnings(record=False):
+            warnings.simplefilter('never')
+            suite = loader.loadTestsFromModule(m, use_load_tests=False)
+            self.assertEqual(load_tests_args, [loader, suite, None])
+
+    @warningregistry
+    def test_loadTestsFromModule__use_load_tests_deprecated_positional(self):
+        m = types.ModuleType('m')
+        class MyTestCase(unittest.TestCase):
+            def test(self):
+                pass
+        m.testcase_1 = MyTestCase
+
+        load_tests_args = []
+        def load_tests(loader, tests, pattern):
+            self.assertIsInstance(tests, unittest.TestSuite)
+            load_tests_args.extend((loader, tests, pattern))
+            return tests
+        m.load_tests = load_tests
+        # The method still works.
+        loader = unittest.TestLoader()
+        # use_load_tests=True as a positional argument.
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter('always')
+            suite = loader.loadTestsFromModule(m, False)
+            self.assertIsInstance(suite, unittest.TestSuite)
+            # load_tests was still called because use_load_tests is deprecated
+            # and ignored.
+            self.assertEqual(load_tests_args, [loader, suite, None])
+        # We got a warning.
+        self.assertIs(w[-1].category, DeprecationWarning)
+        self.assertEqual(str(w[-1].message),
+                             'use_load_tests is deprecated and ignored')
+
+    @warningregistry
+    def test_loadTestsFromModule__use_load_tests_deprecated_keyword(self):
+        m = types.ModuleType('m')
+        class MyTestCase(unittest.TestCase):
+            def test(self):
+                pass
+        m.testcase_1 = MyTestCase
+
+        load_tests_args = []
+        def load_tests(loader, tests, pattern):
+            self.assertIsInstance(tests, unittest.TestSuite)
+            load_tests_args.extend((loader, tests, pattern))
+            return tests
+        m.load_tests = load_tests
+        # The method still works.
+        loader = unittest.TestLoader()
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter('always')
+            suite = loader.loadTestsFromModule(m, use_load_tests=False)
+            self.assertIsInstance(suite, unittest.TestSuite)
+            # load_tests was still called because use_load_tests is deprecated
+            # and ignored.
+            self.assertEqual(load_tests_args, [loader, suite, None])
+            # We got a warning.
+            self.assertIs(w[-1].category, DeprecationWarning)
+            self.assertEqual(str(w[-1].message),
+                                 'use_load_tests is deprecated and ignored')
+
+    @warningregistry
+    def test_loadTestsFromModule__too_many_positional_args(self):
+        m = types.ModuleType('m')
+        class MyTestCase(unittest.TestCase):
+            def test(self):
+                pass
+        m.testcase_1 = MyTestCase
 
         load_tests_args = []
-        suite = loader.loadTestsFromModule(m, use_load_tests=False)
-        self.assertEqual(load_tests_args, [])
+        def load_tests(loader, tests, pattern):
+            self.assertIsInstance(tests, unittest.TestSuite)
+            load_tests_args.extend((loader, tests, pattern))
+            return tests
+        m.load_tests = load_tests
+        loader = unittest.TestLoader()
+        with self.assertRaises(TypeError) as cm, \
+             warnings.catch_warning(record=True) as w:
+            loader.loadTestsFromModule(m, False, 'testme.*')
+            # We still got the deprecation warning.
+            self.assertIs(w[-1].category, DeprecationWarning)
+            self.assertEqual(str(w[-1].message),
+                                 'use_load_tests is deprecated and ignored')
+            # We also got a TypeError for too many positional arguments.
+            self.assertEqual(type(cm.exception), TypeError)
+            self.assertEqual(
+                str(cm.exception),
+                'loadTestsFromModule() takes 1 positional argument but 3 were given')
+
+    @warningregistry
+    def test_loadTestsFromModule__use_load_tests_other_bad_keyword(self):
+        m = types.ModuleType('m')
+        class MyTestCase(unittest.TestCase):
+            def test(self):
+                pass
+        m.testcase_1 = MyTestCase
+
+        load_tests_args = []
+        def load_tests(loader, tests, pattern):
+            self.assertIsInstance(tests, unittest.TestSuite)
+            load_tests_args.extend((loader, tests, pattern))
+            return tests
+        m.load_tests = load_tests
+        loader = unittest.TestLoader()
+        with warnings.catch_warnings():
+            warnings.simplefilter('never')
+            with self.assertRaises(TypeError) as cm:
+                loader.loadTestsFromModule(
+                    m, use_load_tests=False, very_bad=True, worse=False)
+        self.assertEqual(type(cm.exception), TypeError)
+        # The error message names the first bad argument alphabetically,
+        # however use_load_tests (which sorts first) is ignored.
+        self.assertEqual(
+            str(cm.exception),
+            "loadTestsFromModule() got an unexpected keyword argument 'very_bad'")
+
+    def test_loadTestsFromModule__pattern(self):
+        m = types.ModuleType('m')
+        class MyTestCase(unittest.TestCase):
+            def test(self):
+                pass
+        m.testcase_1 = MyTestCase
+
+        load_tests_args = []
+        def load_tests(loader, tests, pattern):
+            self.assertIsInstance(tests, unittest.TestSuite)
+            load_tests_args.extend((loader, tests, pattern))
+            return tests
+        m.load_tests = load_tests
+
+        loader = unittest.TestLoader()
+        suite = loader.loadTestsFromModule(m, pattern='testme.*')
+        self.assertIsInstance(suite, unittest.TestSuite)
+        self.assertEqual(load_tests_args, [loader, suite, 'testme.*'])
 
     def test_loadTestsFromModule__faulty_load_tests(self):
         m = types.ModuleType('m')
@@ -184,6 +343,13 @@ class Test_TestLoader(unittest.TestCase):
         suite = loader.loadTestsFromModule(m)
         self.assertIsInstance(suite, unittest.TestSuite)
         self.assertEqual(suite.countTestCases(), 1)
+        # Errors loading the suite are also captured for introspection.
+        self.assertNotEqual([], loader.errors)
+        self.assertEqual(1, len(loader.errors))
+        error = loader.errors[0]
+        self.assertTrue(
+            'Failed to call load_tests:' in error,
+            'missing error string in %r' % error)
         test = list(suite)[0]
 
         self.assertRaisesRegex(TypeError, "some failure", test.m)
@@ -219,15 +385,15 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromName__malformed_name(self):
         loader = unittest.TestLoader()
 
-        # XXX Should this raise ValueError or ImportError?
-        try:
-            loader.loadTestsFromName('abc () //')
-        except ValueError:
-            pass
-        except ImportError:
-            pass
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
+        suite = loader.loadTestsFromName('abc () //')
+        error, test = self.check_deferred_error(loader, suite)
+        expected = "Failed to import test module: abc () //"
+        expected_regex = "Failed to import test module: abc \(\) //"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(
+            ImportError, expected_regex, getattr(test, 'abc () //'))
 
     # "The specifier name is a ``dotted name'' that may resolve ... to a
     # module"
@@ -236,28 +402,47 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromName__unknown_module_name(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromName('sdasfasfasdf')
-        except ImportError as e:
-            self.assertEqual(str(e), "No module named 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise ImportError")
+        suite = loader.loadTestsFromName('sdasfasfasdf')
+        expected = "No module named 'sdasfasfasdf'"
+        error, test = self.check_deferred_error(loader, suite)
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(ImportError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
     # within a test case class, or a callable object which returns a
     # TestCase or TestSuite instance."
     #
-    # What happens when the module is found, but the attribute can't?
-    def test_loadTestsFromName__unknown_attr_name(self):
+    # What happens when the module is found, but the attribute isn't?
+    def test_loadTestsFromName__unknown_attr_name_on_module(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromName('unittest.sdasfasfasdf')
-        except AttributeError as e:
-            self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+        suite = loader.loadTestsFromName('unittest.loader.sdasfasfasdf')
+        expected = "module 'unittest.loader' has no attribute 'sdasfasfasdf'"
+        error, test = self.check_deferred_error(loader, suite)
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.sdasfasfasdf)
+
+    # "The specifier name is a ``dotted name'' that may resolve either to
+    # a module, a test case class, a TestSuite instance, a test method
+    # within a test case class, or a callable object which returns a
+    # TestCase or TestSuite instance."
+    #
+    # What happens when the module is found, but the attribute isn't?
+    def test_loadTestsFromName__unknown_attr_name_on_package(self):
+        loader = unittest.TestLoader()
+
+        suite = loader.loadTestsFromName('unittest.sdasfasfasdf')
+        expected = "No module named 'unittest.sdasfasfasdf'"
+        error, test = self.check_deferred_error(loader, suite)
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(ImportError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -269,12 +454,13 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromName__relative_unknown_name(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromName('sdasfasfasdf', unittest)
-        except AttributeError as e:
-            self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+        suite = loader.loadTestsFromName('sdasfasfasdf', unittest)
+        expected = "module 'unittest' has no attribute 'sdasfasfasdf'"
+        error, test = self.check_deferred_error(loader, suite)
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -290,12 +476,13 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromName__relative_empty_name(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromName('', unittest)
-        except AttributeError as e:
-            pass
-        else:
-            self.fail("Failed to raise AttributeError")
+        suite = loader.loadTestsFromName('', unittest)
+        error, test = self.check_deferred_error(loader, suite)
+        expected = "has no attribute ''"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, getattr(test, ''))
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -310,14 +497,15 @@ class Test_TestLoader(unittest.TestCase):
         loader = unittest.TestLoader()
 
         # XXX Should this raise AttributeError or ValueError?
-        try:
-            loader.loadTestsFromName('abc () //', unittest)
-        except ValueError:
-            pass
-        except AttributeError:
-            pass
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
+        suite = loader.loadTestsFromName('abc () //', unittest)
+        error, test = self.check_deferred_error(loader, suite)
+        expected = "module 'unittest' has no attribute 'abc () //'"
+        expected_regex = "module 'unittest' has no attribute 'abc \(\) //'"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(
+            AttributeError, expected_regex, getattr(test, 'abc () //'))
 
     # "The method optionally resolves name relative to the given module"
     #
@@ -423,12 +611,13 @@ class Test_TestLoader(unittest.TestCase):
         m.testcase_1 = MyTestCase
 
         loader = unittest.TestLoader()
-        try:
-            loader.loadTestsFromName('testcase_1.testfoo', m)
-        except AttributeError as e:
-            self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
-        else:
-            self.fail("Failed to raise AttributeError")
+        suite = loader.loadTestsFromName('testcase_1.testfoo', m)
+        expected = "type object 'MyTestCase' has no attribute 'testfoo'"
+        error, test = self.check_deferred_error(loader, suite)
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.testfoo)
 
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a ... TestSuite instance"
@@ -546,6 +735,23 @@ class Test_TestLoader(unittest.TestCase):
     ### Tests for TestLoader.loadTestsFromNames()
     ################################################################
 
+    def check_deferred_error(self, loader, suite):
+        """Helper function for checking that errors in loading are reported.
+
+        :param loader: A loader with some errors.
+        :param suite: A suite that should have a late bound error.
+        :return: The first error message from the loader and the test object
+            from the suite.
+        """
+        self.assertIsInstance(suite, unittest.TestSuite)
+        self.assertEqual(suite.countTestCases(), 1)
+        # Errors loading the suite are also captured for introspection.
+        self.assertNotEqual([], loader.errors)
+        self.assertEqual(1, len(loader.errors))
+        error = loader.errors[0]
+        test = list(suite)[0]
+        return error, test
+
     # "Similar to loadTestsFromName(), but takes a sequence of names rather
     # than a single name."
     #
@@ -598,14 +804,15 @@ class Test_TestLoader(unittest.TestCase):
         loader = unittest.TestLoader()
 
         # XXX Should this raise ValueError or ImportError?
-        try:
-            loader.loadTestsFromNames(['abc () //'])
-        except ValueError:
-            pass
-        except ImportError:
-            pass
-        else:
-            self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
+        suite = loader.loadTestsFromNames(['abc () //'])
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "Failed to import test module: abc () //"
+        expected_regex = "Failed to import test module: abc \(\) //"
+        self.assertIn(
+            expected,  error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(
+            ImportError, expected_regex, getattr(test, 'abc () //'))
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -616,12 +823,13 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromNames__unknown_module_name(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromNames(['sdasfasfasdf'])
-        except ImportError as e:
-            self.assertEqual(str(e), "No module named 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromNames failed to raise ImportError")
+        suite = loader.loadTestsFromNames(['sdasfasfasdf'])
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "Failed to import test module: sdasfasfasdf"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(ImportError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -632,12 +840,14 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromNames__unknown_attr_name(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromNames(['unittest.sdasfasfasdf', 'unittest'])
-        except AttributeError as e:
-            self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromNames failed to raise AttributeError")
+        suite = loader.loadTestsFromNames(
+            ['unittest.loader.sdasfasfasdf', 'unittest.test.dummy'])
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "module 'unittest.loader' has no attribute 'sdasfasfasdf'"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -651,12 +861,13 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromNames__unknown_name_relative_1(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromNames(['sdasfasfasdf'], unittest)
-        except AttributeError as e:
-            self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+        suite = loader.loadTestsFromNames(['sdasfasfasdf'], unittest)
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "module 'unittest' has no attribute 'sdasfasfasdf'"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -670,12 +881,13 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromNames__unknown_name_relative_2(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromNames(['TestCase', 'sdasfasfasdf'], unittest)
-        except AttributeError as e:
-            self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
-        else:
-            self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+        suite = loader.loadTestsFromNames(['TestCase', 'sdasfasfasdf'], unittest)
+        error, test = self.check_deferred_error(loader, list(suite)[1])
+        expected = "module 'unittest' has no attribute 'sdasfasfasdf'"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.sdasfasfasdf)
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -691,12 +903,13 @@ class Test_TestLoader(unittest.TestCase):
     def test_loadTestsFromNames__relative_empty_name(self):
         loader = unittest.TestLoader()
 
-        try:
-            loader.loadTestsFromNames([''], unittest)
-        except AttributeError:
-            pass
-        else:
-            self.fail("Failed to raise ValueError")
+        suite = loader.loadTestsFromNames([''], unittest)
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "has no attribute ''"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, getattr(test, ''))
 
     # "The specifier name is a ``dotted name'' that may resolve either to
     # a module, a test case class, a TestSuite instance, a test method
@@ -710,14 +923,15 @@ class Test_TestLoader(unittest.TestCase):
         loader = unittest.TestLoader()
 
         # XXX Should this raise AttributeError or ValueError?
-        try:
-            loader.loadTestsFromNames(['abc () //'], unittest)
-        except AttributeError:
-            pass
-        except ValueError:
-            pass
-        else:
-            self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
+        suite = loader.loadTestsFromNames(['abc () //'], unittest)
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "module 'unittest' has no attribute 'abc () //'"
+        expected_regex = "module 'unittest' has no attribute 'abc \(\) //'"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(
+            AttributeError, expected_regex, getattr(test, 'abc () //'))
 
     # "The method optionally resolves name relative to the given module"
     #
@@ -835,12 +1049,13 @@ class Test_TestLoader(unittest.TestCase):
         m.testcase_1 = MyTestCase
 
         loader = unittest.TestLoader()
-        try:
-            loader.loadTestsFromNames(['testcase_1.testfoo'], m)
-        except AttributeError as e:
-            self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
-        else:
-            self.fail("Failed to raise AttributeError")
+        suite = loader.loadTestsFromNames(['testcase_1.testfoo'], m)
+        error, test = self.check_deferred_error(loader, list(suite)[0])
+        expected = "type object 'MyTestCase' has no attribute 'testfoo'"
+        self.assertIn(
+            expected, error,
+            'missing error string in %r' % error)
+        self.assertRaisesRegex(AttributeError, expected, test.testfoo)
 
     # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a ... TestSuite instance"
diff --git a/Lib/unittest/test/test_program.py b/Lib/unittest/test/test_program.py
index 725d67f..1cfc179 100644
--- a/Lib/unittest/test/test_program.py
+++ b/Lib/unittest/test/test_program.py
@@ -134,6 +134,7 @@ class InitialisableProgram(unittest.TestProgram):
     result = None
     verbosity = 1
     defaultTest = None
+    tb_locals = False
     testRunner = None
     testLoader = unittest.defaultTestLoader
     module = '__main__'
@@ -147,18 +148,19 @@ RESULT = object()
 class FakeRunner(object):
     initArgs = None
     test = None
-    raiseError = False
+    raiseError = 0
 
     def __init__(self, **kwargs):
         FakeRunner.initArgs = kwargs
         if FakeRunner.raiseError:
-            FakeRunner.raiseError = False
+            FakeRunner.raiseError -= 1
             raise TypeError
 
     def run(self, test):
         FakeRunner.test = test
         return RESULT
 
+
 class TestCommandLineArgs(unittest.TestCase):
 
     def setUp(self):
@@ -166,7 +168,7 @@ class TestCommandLineArgs(unittest.TestCase):
         self.program.createTests = lambda: None
         FakeRunner.initArgs = None
         FakeRunner.test = None
-        FakeRunner.raiseError = False
+        FakeRunner.raiseError = 0
 
     def testVerbosity(self):
         program = self.program
@@ -256,6 +258,7 @@ class TestCommandLineArgs(unittest.TestCase):
         self.assertEqual(FakeRunner.initArgs, {'verbosity': 'verbosity',
                                                 'failfast': 'failfast',
                                                 'buffer': 'buffer',
+                                                'tb_locals': False,
                                                 'warnings': 'warnings'})
         self.assertEqual(FakeRunner.test, 'test')
         self.assertIs(program.result, RESULT)
@@ -274,10 +277,25 @@ class TestCommandLineArgs(unittest.TestCase):
         self.assertEqual(FakeRunner.test, 'test')
         self.assertIs(program.result, RESULT)
 
+    def test_locals(self):
+        program = self.program
+
+        program.testRunner = FakeRunner
+        program.parseArgs([None, '--locals'])
+        self.assertEqual(True, program.tb_locals)
+        program.runTests()
+        self.assertEqual(FakeRunner.initArgs, {'buffer': False,
+                                               'failfast': False,
+                                               'tb_locals': True,
+                                               'verbosity': 1,
+                                               'warnings': None})
+
     def testRunTestsOldRunnerClass(self):
         program = self.program
 
-        FakeRunner.raiseError = True
+        # Two TypeErrors are needed to fall all the way back to old-style
+        # runners - one to fail tb_locals, one to fail buffer etc.
+        FakeRunner.raiseError = 2
         program.testRunner = FakeRunner
         program.verbosity = 'verbosity'
         program.failfast = 'failfast'
diff --git a/Lib/unittest/test/test_result.py b/Lib/unittest/test/test_result.py
index 489fe17..e39e2ea 100644
--- a/Lib/unittest/test/test_result.py
+++ b/Lib/unittest/test/test_result.py
@@ -8,6 +8,20 @@ import traceback
 import unittest
 
 
+class MockTraceback(object):
+    class TracebackException:
+        def __init__(self, *args, **kwargs):
+            self.capture_locals = kwargs.get('capture_locals', False)
+        def format(self):
+            result = ['A traceback']
+            if self.capture_locals:
+                result.append('locals')
+            return result
+
+def restore_traceback():
+    unittest.result.traceback = traceback
+
+
 class Test_TestResult(unittest.TestCase):
     # Note: there are not separate tests for TestResult.wasSuccessful(),
     # TestResult.errors, TestResult.failures, TestResult.testsRun or
@@ -227,6 +241,25 @@ class Test_TestResult(unittest.TestCase):
         self.assertIs(test_case, test)
         self.assertIsInstance(formatted_exc, str)
 
+    def test_addError_locals(self):
+        class Foo(unittest.TestCase):
+            def test_1(self):
+                1/0
+
+        test = Foo('test_1')
+        result = unittest.TestResult()
+        result.tb_locals = True
+
+        unittest.result.traceback = MockTraceback
+        self.addCleanup(restore_traceback)
+        result.startTestRun()
+        test.run(result)
+        result.stopTestRun()
+
+        self.assertEqual(len(result.errors), 1)
+        test_case, formatted_exc = result.errors[0]
+        self.assertEqual('A tracebacklocals', formatted_exc)
+
     def test_addSubTest(self):
         class Foo(unittest.TestCase):
             def test_1(self):
@@ -398,6 +431,7 @@ def __init__(self, stream=None, descriptions=None, verbosity=None):
     self.testsRun = 0
     self.shouldStop = False
     self.buffer = False
+    self.tb_locals = False
 
 classDict['__init__'] = __init__
 OldResult = type('OldResult', (object,), classDict)
@@ -454,15 +488,6 @@ class Test_OldTestResult(unittest.TestCase):
         runner.run(Test('testFoo'))
 
 
-class MockTraceback(object):
-    @staticmethod
-    def format_exception(*_):
-        return ['A traceback']
-
-def restore_traceback():
-    unittest.result.traceback = traceback
-
-
 class TestOutputBuffering(unittest.TestCase):
 
     def setUp(self):
diff --git a/Lib/unittest/test/test_runner.py b/Lib/unittest/test/test_runner.py
index 7c0bd51..9cbc260 100644
--- a/Lib/unittest/test/test_runner.py
+++ b/Lib/unittest/test/test_runner.py
@@ -158,7 +158,7 @@ class Test_TextTestRunner(unittest.TestCase):
         self.assertEqual(runner.warnings, None)
         self.assertTrue(runner.descriptions)
         self.assertEqual(runner.resultclass, unittest.TextTestResult)
-
+        self.assertFalse(runner.tb_locals)
 
     def test_multiple_inheritance(self):
         class AResult(unittest.TestResult):
@@ -172,14 +172,13 @@ class Test_TextTestRunner(unittest.TestCase):
         # on arguments in its __init__ super call
         ATextResult(None, None, 1)
 
-
     def testBufferAndFailfast(self):
         class Test(unittest.TestCase):
             def testFoo(self):
                 pass
         result = unittest.TestResult()
         runner = unittest.TextTestRunner(stream=io.StringIO(), failfast=True,
-                                           buffer=True)
+                                         buffer=True)
         # Use our result object
         runner._makeResult = lambda: result
         runner.run(Test('testFoo'))
@@ -187,6 +186,11 @@ class Test_TextTestRunner(unittest.TestCase):
         self.assertTrue(result.failfast)
         self.assertTrue(result.buffer)
 
+    def test_locals(self):
+        runner = unittest.TextTestRunner(stream=io.StringIO(), tb_locals=True)
+        result = runner.run(unittest.TestSuite())
+        self.assertEqual(True, result.tb_locals)
+
     def testRunnerRegistersResult(self):
         class Test(unittest.TestCase):
             def testFoo(self):
diff --git a/Lib/unittest/test/test_setups.py b/Lib/unittest/test/test_setups.py
index 392f95e..2df703e 100644
--- a/Lib/unittest/test/test_setups.py
+++ b/Lib/unittest/test/test_setups.py
@@ -111,7 +111,7 @@ class TestSetups(unittest.TestCase):
         self.assertEqual(len(result.errors), 1)
         error, _ = result.errors[0]
         self.assertEqual(str(error),
-                    'setUpClass (%s.BrokenTest)' % __name__)
+                    'setUpClass (%s.%s)' % (__name__, BrokenTest.__qualname__))
 
     def test_error_in_teardown_class(self):
         class Test(unittest.TestCase):
@@ -144,7 +144,7 @@ class TestSetups(unittest.TestCase):
 
         error, _ = result.errors[0]
         self.assertEqual(str(error),
-                    'tearDownClass (%s.Test)' % __name__)
+                    'tearDownClass (%s.%s)' % (__name__, Test.__qualname__))
 
     def test_class_not_torndown_when_setup_fails(self):
         class Test(unittest.TestCase):
@@ -414,7 +414,8 @@ class TestSetups(unittest.TestCase):
         self.assertEqual(len(result.errors), 0)
         self.assertEqual(len(result.skipped), 1)
         skipped = result.skipped[0][0]
-        self.assertEqual(str(skipped), 'setUpClass (%s.Test)' % __name__)
+        self.assertEqual(str(skipped),
+                    'setUpClass (%s.%s)' % (__name__, Test.__qualname__))
 
     def test_skiptest_in_setupmodule(self):
         class Test(unittest.TestCase):
diff --git a/Lib/unittest/test/testmock/testmagicmethods.py b/Lib/unittest/test/testmock/testmagicmethods.py
index e05c6e0..bb9b956 100644
--- a/Lib/unittest/test/testmock/testmagicmethods.py
+++ b/Lib/unittest/test/testmock/testmagicmethods.py
@@ -424,6 +424,17 @@ class TestMockingMagicMethods(unittest.TestCase):
         self.assertEqual(list(m), [])
 
 
+    def test_matmul(self):
+        m = MagicMock()
+        self.assertIsInstance(m @ 1, MagicMock)
+        m.__matmul__.return_value = 42
+        m.__rmatmul__.return_value = 666
+        m.__imatmul__.return_value = 24
+        self.assertEqual(m @ 1, 42)
+        self.assertEqual(1 @ m, 666)
+        m @= 24
+        self.assertEqual(m, 24)
+
     def test_divmod_and_rdivmod(self):
         m = MagicMock()
         self.assertIsInstance(divmod(5, m), MagicMock)
diff --git a/Lib/unittest/test/testmock/testmock.py b/Lib/unittest/test/testmock/testmock.py
index 23675b9..3a104cb 100644
--- a/Lib/unittest/test/testmock/testmock.py
+++ b/Lib/unittest/test/testmock/testmock.py
@@ -1187,6 +1187,42 @@ class MockTest(unittest.TestCase):
         m = mock.create_autospec(object(), name='sweet_func')
         self.assertIn('sweet_func', repr(m))
 
+    #Issue21238
+    def test_mock_unsafe(self):
+        m = Mock()
+        with self.assertRaises(AttributeError):
+            m.assert_foo_call()
+        with self.assertRaises(AttributeError):
+            m.assret_foo_call()
+        m = Mock(unsafe=True)
+        m.assert_foo_call()
+        m.assret_foo_call()
+
+    #Issue21262
+    def test_assert_not_called(self):
+        m = Mock()
+        m.hello.assert_not_called()
+        m.hello()
+        with self.assertRaises(AssertionError):
+            m.hello.assert_not_called()
+
+    #Issue21256 printout of keyword args should be in deterministic order
+    def test_sorted_call_signature(self):
+        m = Mock()
+        m.hello(name='hello', daddy='hero')
+        text = "call(daddy='hero', name='hello')"
+        self.assertEqual(repr(m.hello.call_args), text)
+
+    #Issue21270 overrides tuple methods for mock.call objects
+    def test_override_tuple_methods(self):
+        c = call.count()
+        i = call.index(132,'hello')
+        m = Mock()
+        m.count()
+        m.index(132,"hello")
+        self.assertEqual(m.method_calls[0], c)
+        self.assertEqual(m.method_calls[1], i)
+
     def test_mock_add_spec(self):
         class _One(object):
             one = 1
diff --git a/Lib/unittest/test/testmock/testpatch.py b/Lib/unittest/test/testmock/testpatch.py
index b516f42..28fe86b 100644
--- a/Lib/unittest/test/testmock/testpatch.py
+++ b/Lib/unittest/test/testmock/testpatch.py
@@ -377,7 +377,7 @@ class PatchTest(unittest.TestCase):
 
     def test_patchobject_wont_create_by_default(self):
         try:
-            @patch.object(SomeClass, 'frooble', sentinel.Frooble)
+            @patch.object(SomeClass, 'ord', sentinel.Frooble)
             def test():
                 self.fail('Patching non existent attributes should fail')
 
@@ -386,7 +386,27 @@ class PatchTest(unittest.TestCase):
             pass
         else:
             self.fail('Patching non existent attributes should fail')
-        self.assertFalse(hasattr(SomeClass, 'frooble'))
+        self.assertFalse(hasattr(SomeClass, 'ord'))
+
+
+    def test_patch_builtins_without_create(self):
+        @patch(__name__+'.ord')
+        def test_ord(mock_ord):
+            mock_ord.return_value = 101
+            return ord('c')
+
+        @patch(__name__+'.open')
+        def test_open(mock_open):
+            m = mock_open.return_value
+            m.read.return_value = 'abcd'
+
+            fobj = open('doesnotexists.txt')
+            data = fobj.read()
+            fobj.close()
+            return data
+
+        self.assertEqual(test_ord(), 101)
+        self.assertEqual(test_open(), 'abcd')
 
 
     def test_patch_with_static_methods(self):
diff --git a/Lib/unittest/util.py b/Lib/unittest/util.py
index aee498f..45485dc 100644
--- a/Lib/unittest/util.py
+++ b/Lib/unittest/util.py
@@ -52,7 +52,7 @@ def safe_repr(obj, short=False):
     return result[:_MAX_LENGTH] + ' [truncated]...'
 
 def strclass(cls):
-    return "%s.%s" % (cls.__module__, cls.__name__)
+    return "%s.%s" % (cls.__module__, cls.__qualname__)
 
 def sorted_list_difference(expected, actual):
     """Finds elements in only one or the other of two, sorted input lists.
diff --git a/Lib/urllib/error.py b/Lib/urllib/error.py
index 45b7169..c5b675d 100644
--- a/Lib/urllib/error.py
+++ b/Lib/urllib/error.py
@@ -35,6 +35,7 @@ class URLError(OSError):
     def __str__(self):
         return '<urlopen error %s>' % self.reason
 
+
 class HTTPError(URLError, urllib.response.addinfourl):
     """Raised when HTTP error occurs, but also acts like non-error return"""
     __super_init = urllib.response.addinfourl.__init__
@@ -55,6 +56,9 @@ class HTTPError(URLError, urllib.response.addinfourl):
     def __str__(self):
         return 'HTTP Error %s: %s' % (self.code, self.msg)
 
+    def __repr__(self):
+        return '<HTTPError %s: %r>' % (self.code, self.msg)
+
     # since URLError specifies a .reason attribute, HTTPError should also
     #  provide this attribute. See issue13211 for discussion.
     @property
@@ -69,8 +73,9 @@ class HTTPError(URLError, urllib.response.addinfourl):
     def headers(self, headers):
         self.hdrs = headers
 
-# exception raised when downloaded size does not match content-length
+
 class ContentTooShortError(URLError):
+    """Exception raised when downloaded size does not match content-length."""
     def __init__(self, message, content):
         URLError.__init__(self, message)
         self.content = content
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index d368331..e313371 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -34,7 +34,9 @@ import collections
 __all__ = ["urlparse", "urlunparse", "urljoin", "urldefrag",
            "urlsplit", "urlunsplit", "urlencode", "parse_qs",
            "parse_qsl", "quote", "quote_plus", "quote_from_bytes",
-           "unquote", "unquote_plus", "unquote_to_bytes"]
+           "unquote", "unquote_plus", "unquote_to_bytes",
+           "DefragResult", "ParseResult", "SplitResult",
+           "DefragResultBytes", "ParseResultBytes", "SplitResultBytes"]
 
 # A classification of schemes ('' means apply by default)
 uses_relative = ['ftp', 'http', 'gopher', 'nntp', 'imap',
@@ -409,11 +411,13 @@ def urljoin(base, url, allow_fragments=True):
         return url
     if not url:
         return base
+
     base, url, _coerce_result = _coerce_args(base, url)
     bscheme, bnetloc, bpath, bparams, bquery, bfragment = \
             urlparse(base, '', allow_fragments)
     scheme, netloc, path, params, query, fragment = \
             urlparse(url, bscheme, allow_fragments)
+
     if scheme != bscheme or scheme not in uses_relative:
         return _coerce_result(url)
     if scheme in uses_netloc:
@@ -421,9 +425,7 @@ def urljoin(base, url, allow_fragments=True):
             return _coerce_result(urlunparse((scheme, netloc, path,
                                               params, query, fragment)))
         netloc = bnetloc
-    if path[:1] == '/':
-        return _coerce_result(urlunparse((scheme, netloc, path,
-                                          params, query, fragment)))
+
     if not path and not params:
         path = bpath
         params = bparams
@@ -431,29 +433,45 @@ def urljoin(base, url, allow_fragments=True):
             query = bquery
         return _coerce_result(urlunparse((scheme, netloc, path,
                                           params, query, fragment)))
-    segments = bpath.split('/')[:-1] + path.split('/')
-    # XXX The stuff below is bogus in various ways...
-    if segments[-1] == '.':
-        segments[-1] = ''
-    while '.' in segments:
-        segments.remove('.')
-    while 1:
-        i = 1
-        n = len(segments) - 1
-        while i < n:
-            if (segments[i] == '..'
-                and segments[i-1] not in ('', '..')):
-                del segments[i-1:i+1]
-                break
-            i = i+1
+
+    base_parts = bpath.split('/')
+    if base_parts[-1] != '':
+        # the last item is not a directory, so will not be taken into account
+        # in resolving the relative path
+        del base_parts[-1]
+
+    # for rfc3986, ignore all base path should the first character be root.
+    if path[:1] == '/':
+        segments = path.split('/')
+    else:
+        segments = base_parts + path.split('/')
+        # filter out elements that would cause redundant slashes on re-joining
+        # the resolved_path
+        segments[1:-1] = filter(None, segments[1:-1])
+
+    resolved_path = []
+
+    for seg in segments:
+        if seg == '..':
+            try:
+                resolved_path.pop()
+            except IndexError:
+                # ignore any .. segments that would otherwise cause an IndexError
+                # when popped from resolved_path if resolving for rfc3986
+                pass
+        elif seg == '.':
+            continue
         else:
-            break
-    if segments == ['', '..']:
-        segments[-1] = ''
-    elif len(segments) >= 2 and segments[-1] == '..':
-        segments[-2:] = ['']
-    return _coerce_result(urlunparse((scheme, netloc, '/'.join(segments),
-                                      params, query, fragment)))
+            resolved_path.append(seg)
+
+    if segments[-1] in ('.', '..'):
+        # do some post-processing here. if the last segment was a relative dir,
+        # then we need to append the trailing '/'
+        resolved_path.append('')
+
+    return _coerce_result(urlunparse((scheme, netloc, '/'.join(
+        resolved_path) or '/', params, query, fragment)))
+
 
 def urldefrag(url):
     """Removes any existing fragment from URL.
@@ -641,7 +659,7 @@ class Quoter(collections.defaultdict):
 
     def __repr__(self):
         # Without this, will just display as a defaultdict
-        return "<Quoter %r>" % dict(self)
+        return "<%s %r>" % (self.__class__.__name__, dict(self))
 
     def __missing__(self, b):
         # Handle a cache miss. Store quoted string in cache and return.
@@ -852,12 +870,12 @@ def splittype(url):
     """splittype('type:opaquestring') --> 'type', 'opaquestring'."""
     global _typeprog
     if _typeprog is None:
-        _typeprog = re.compile('^([^/:]+):')
+        _typeprog = re.compile('([^/:]+):(.*)', re.DOTALL)
 
     match = _typeprog.match(url)
     if match:
-        scheme = match.group(1)
-        return scheme.lower(), url[len(scheme) + 1:]
+        scheme, data = match.groups()
+        return scheme.lower(), data
     return None, url
 
 _hostprog = None
@@ -865,38 +883,25 @@ def splithost(url):
     """splithost('//host[:port]/path') --> 'host[:port]', '/path'."""
     global _hostprog
     if _hostprog is None:
-        _hostprog = re.compile('^//([^/?]*)(.*)$')
+        _hostprog = re.compile('//([^/?]*)(.*)', re.DOTALL)
 
     match = _hostprog.match(url)
     if match:
-        host_port = match.group(1)
-        path = match.group(2)
-        if path and not path.startswith('/'):
+        host_port, path = match.groups()
+        if path and path[0] != '/':
             path = '/' + path
         return host_port, path
     return None, url
 
-_userprog = None
 def splituser(host):
     """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'."""
-    global _userprog
-    if _userprog is None:
-        _userprog = re.compile('^(.*)@(.*)$')
+    user, delim, host = host.rpartition('@')
+    return (user if delim else None), host
 
-    match = _userprog.match(host)
-    if match: return match.group(1, 2)
-    return None, host
-
-_passwdprog = None
 def splitpasswd(user):
     """splitpasswd('user:passwd') -> 'user', 'passwd'."""
-    global _passwdprog
-    if _passwdprog is None:
-        _passwdprog = re.compile('^([^:]*):(.*)$',re.S)
-
-    match = _passwdprog.match(user)
-    if match: return match.group(1, 2)
-    return user, None
+    user, delim, passwd = user.partition(':')
+    return user, (passwd if delim else None)
 
 # splittag('/path#tag') --> '/path', 'tag'
 _portprog = None
@@ -904,7 +909,7 @@ def splitport(host):
     """splitport('host:port') --> 'host', 'port'."""
     global _portprog
     if _portprog is None:
-        _portprog = re.compile('^(.*):([0-9]*)$')
+        _portprog = re.compile('(.*):([0-9]*)$', re.DOTALL)
 
     match = _portprog.match(host)
     if match:
@@ -913,47 +918,34 @@ def splitport(host):
             return host, port
     return host, None
 
-_nportprog = None
 def splitnport(host, defport=-1):
     """Split host and port, returning numeric port.
     Return given default port if no ':' found; defaults to -1.
     Return numerical port if a valid number are found after ':'.
     Return None if ':' but not a valid number."""
-    global _nportprog
-    if _nportprog is None:
-        _nportprog = re.compile('^(.*):(.*)$')
-
-    match = _nportprog.match(host)
-    if match:
-        host, port = match.group(1, 2)
-        if port:
-            try:
-                nport = int(port)
-            except ValueError:
-                nport = None
-            return host, nport
+    host, delim, port = host.rpartition(':')
+    if not delim:
+        host = port
+    elif port:
+        try:
+            nport = int(port)
+        except ValueError:
+            nport = None
+        return host, nport
     return host, defport
 
-_queryprog = None
 def splitquery(url):
     """splitquery('/path?query') --> '/path', 'query'."""
-    global _queryprog
-    if _queryprog is None:
-        _queryprog = re.compile('^(.*)\?([^?]*)$')
-
-    match = _queryprog.match(url)
-    if match: return match.group(1, 2)
+    path, delim, query = url.rpartition('?')
+    if delim:
+        return path, query
     return url, None
 
-_tagprog = None
 def splittag(url):
     """splittag('/path#tag') --> '/path', 'tag'."""
-    global _tagprog
-    if _tagprog is None:
-        _tagprog = re.compile('^(.*)#([^#]*)$')
-
-    match = _tagprog.match(url)
-    if match: return match.group(1, 2)
+    path, delim, tag = url.rpartition('#')
+    if delim:
+        return path, tag
     return url, None
 
 def splitattr(url):
@@ -962,13 +954,7 @@ def splitattr(url):
     words = url.split(';')
     return words[0], words[1:]
 
-_valueprog = None
 def splitvalue(attr):
     """splitvalue('attr=value') --> 'attr', 'value'."""
-    global _valueprog
-    if _valueprog is None:
-        _valueprog = re.compile('^([^=]*)=(.*)$')
-
-    match = _valueprog.match(attr)
-    if match: return match.group(1, 2)
-    return attr, None
+    attr, delim, value = attr.partition('=')
+    return attr, (value if delim else None)
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index 5cf0cf2..eada0a9 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -120,9 +120,10 @@ __all__ = [
     'Request', 'OpenerDirector', 'BaseHandler', 'HTTPDefaultErrorHandler',
     'HTTPRedirectHandler', 'HTTPCookieProcessor', 'ProxyHandler',
     'HTTPPasswordMgr', 'HTTPPasswordMgrWithDefaultRealm',
-    'AbstractBasicAuthHandler', 'HTTPBasicAuthHandler', 'ProxyBasicAuthHandler',
-    'AbstractDigestAuthHandler', 'HTTPDigestAuthHandler', 'ProxyDigestAuthHandler',
-    'HTTPHandler', 'FileHandler', 'FTPHandler', 'CacheFTPHandler', 'DataHandler',
+    'HTTPPasswordMgrWithPriorAuth', 'AbstractBasicAuthHandler',
+    'HTTPBasicAuthHandler', 'ProxyBasicAuthHandler', 'AbstractDigestAuthHandler',
+    'HTTPDigestAuthHandler', 'ProxyDigestAuthHandler', 'HTTPHandler',
+    'FileHandler', 'FTPHandler', 'CacheFTPHandler', 'DataHandler',
     'UnknownHandler', 'HTTPErrorProcessor',
     # Functions
     'urlopen', 'install_opener', 'build_opener',
@@ -835,6 +836,37 @@ class HTTPPasswordMgrWithDefaultRealm(HTTPPasswordMgr):
         return HTTPPasswordMgr.find_user_password(self, None, authuri)
 
 
+class HTTPPasswordMgrWithPriorAuth(HTTPPasswordMgrWithDefaultRealm):
+
+    def __init__(self, *args, **kwargs):
+        self.authenticated = {}
+        super().__init__(*args, **kwargs)
+
+    def add_password(self, realm, uri, user, passwd, is_authenticated=False):
+        self.update_authenticated(uri, is_authenticated)
+        # Add a default for prior auth requests
+        if realm is not None:
+            super().add_password(None, uri, user, passwd)
+        super().add_password(realm, uri, user, passwd)
+
+    def update_authenticated(self, uri, is_authenticated=False):
+        # uri could be a single URI or a sequence
+        if isinstance(uri, str):
+            uri = [uri]
+
+        for default_port in True, False:
+            for u in uri:
+                reduced_uri = self.reduce_uri(u, default_port)
+                self.authenticated[reduced_uri] = is_authenticated
+
+    def is_authenticated(self, authuri):
+        for default_port in True, False:
+            reduced_authuri = self.reduce_uri(authuri, default_port)
+            for uri in self.authenticated:
+                if self.is_suburi(uri, reduced_authuri):
+                    return self.authenticated[uri]
+
+
 class AbstractBasicAuthHandler:
 
     # XXX this allows for multiple auth-schemes, but will stupidly pick
@@ -889,6 +921,31 @@ class AbstractBasicAuthHandler:
         else:
             return None
 
+    def http_request(self, req):
+        if (not hasattr(self.passwd, 'is_authenticated') or
+           not self.passwd.is_authenticated(req.full_url)):
+            return req
+
+        if not req.has_header('Authorization'):
+            user, passwd = self.passwd.find_user_password(None, req.full_url)
+            credentials = '{0}:{1}'.format(user, passwd).encode()
+            auth_str = base64.standard_b64encode(credentials).decode()
+            req.add_unredirected_header('Authorization',
+                                        'Basic {}'.format(auth_str.strip()))
+        return req
+
+    def http_response(self, req, response):
+        if hasattr(self.passwd, 'is_authenticated'):
+            if 200 <= response.code < 300:
+                self.passwd.update_authenticated(req.full_url, True)
+            else:
+                self.passwd.update_authenticated(req.full_url, False)
+        return response
+
+    https_request = http_request
+    https_response = http_response
+
+
 
 class HTTPBasicAuthHandler(AbstractBasicAuthHandler, BaseHandler):
 
diff --git a/Lib/urllib/robotparser.py b/Lib/urllib/robotparser.py
index 1d7b751..4fbb0cb 100644
--- a/Lib/urllib/robotparser.py
+++ b/Lib/urllib/robotparser.py
@@ -172,7 +172,7 @@ class RuleLine:
         return self.path == "*" or filename.startswith(self.path)
 
     def __str__(self):
-        return (self.allowance and "Allow" or "Disallow") + ": " + self.path
+        return ("Allow" if self.allowance else "Disallow") + ": " + self.path
 
 
 class Entry:
diff --git a/Lib/uuid.py b/Lib/uuid.py
index 1061bff..e627573 100644
--- a/Lib/uuid.py
+++ b/Lib/uuid.py
@@ -139,10 +139,8 @@ class UUID(object):
         if bytes_le is not None:
             if len(bytes_le) != 16:
                 raise ValueError('bytes_le is not a 16-char string')
-            bytes = (bytes_(reversed(bytes_le[0:4])) +
-                     bytes_(reversed(bytes_le[4:6])) +
-                     bytes_(reversed(bytes_le[6:8])) +
-                     bytes_le[8:])
+            bytes = (bytes_le[4-1::-1] + bytes_le[6-1:4-1:-1] +
+                     bytes_le[8-1:6-1:-1] + bytes_le[8:])
         if bytes is not None:
             if len(bytes) != 16:
                 raise ValueError('bytes is not a 16-char string')
@@ -187,11 +185,6 @@ class UUID(object):
             return self.int == other.int
         return NotImplemented
 
-    def __ne__(self, other):
-        if isinstance(other, UUID):
-            return self.int != other.int
-        return NotImplemented
-
     # Q. What's the value of being able to sort UUIDs?
     # A. Use them as keys in a B-Tree or similar mapping.
 
@@ -222,7 +215,7 @@ class UUID(object):
         return self.int
 
     def __repr__(self):
-        return 'UUID(%r)' % str(self)
+        return '%s(%r)' % (self.__class__.__name__, str(self))
 
     def __setattr__(self, name, value):
         raise TypeError('UUID objects are immutable')
@@ -234,17 +227,12 @@ class UUID(object):
 
     @property
     def bytes(self):
-        bytes = bytearray()
-        for shift in range(0, 128, 8):
-            bytes.insert(0, (self.int >> shift) & 0xff)
-        return bytes_(bytes)
+        return self.int.to_bytes(16, 'big')
 
     @property
     def bytes_le(self):
         bytes = self.bytes
-        return (bytes_(reversed(bytes[0:4])) +
-                bytes_(reversed(bytes[4:6])) +
-                bytes_(reversed(bytes[6:8])) +
+        return (bytes[4-1::-1] + bytes[6-1:4-1:-1] + bytes[8-1:6-1:-1] +
                 bytes[8:])
 
     @property
@@ -311,33 +299,38 @@ class UUID(object):
         if self.variant == RFC_4122:
             return int((self.int >> 76) & 0xf)
 
-def _popen(command, args):
-    import os, shutil
+def _popen(command, *args):
+    import os, shutil, subprocess
     executable = shutil.which(command)
     if executable is None:
         path = os.pathsep.join(('/sbin', '/usr/sbin'))
         executable = shutil.which(command, path=path)
         if executable is None:
             return None
-    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
-    # stderr (Note: we don't have an example where the words we search for
-    # are actually localized, but in theory some system could do so.)
-    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
-    return os.popen(cmd)
+    # LC_ALL=C to ensure English output, stderr=DEVNULL to prevent output
+    # on stderr (Note: we don't have an example where the words we search
+    # for are actually localized, but in theory some system could do so.)
+    env = dict(os.environ)
+    env['LC_ALL'] = 'C'
+    proc = subprocess.Popen((executable,) + args,
+                            stdout=subprocess.PIPE,
+                            stderr=subprocess.DEVNULL,
+                            env=env)
+    return proc
 
 def _find_mac(command, args, hw_identifiers, get_index):
     try:
-        pipe = _popen(command, args)
-        if not pipe:
+        proc = _popen(command, *args.split())
+        if not proc:
             return
-        with pipe:
-            for line in pipe:
+        with proc:
+            for line in proc.stdout:
                 words = line.lower().rstrip().split()
                 for i in range(len(words)):
                     if words[i] in hw_identifiers:
                         try:
                             word = words[get_index(i)]
-                            mac = int(word.replace(':', ''), 16)
+                            mac = int(word.replace(b':', b''), 16)
                             if mac:
                                 return mac
                         except (ValueError, IndexError):
@@ -354,10 +347,17 @@ def _ifconfig_getnode():
     """Get the hardware address on Unix by running ifconfig."""
     # This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes.
     for args in ('', '-a', '-av'):
-        mac = _find_mac('ifconfig', args, ['hwaddr', 'ether'], lambda i: i+1)
+        mac = _find_mac('ifconfig', args, [b'hwaddr', b'ether'], lambda i: i+1)
         if mac:
             return mac
 
+def _ip_getnode():
+    """Get the hardware address on Unix by running ip."""
+    # This works on Linux with iproute2.
+    mac = _find_mac('ip', 'link list', [b'link/ether'], lambda i: i+1)
+    if mac:
+        return mac
+
 def _arp_getnode():
     """Get the hardware address on Unix by running arp."""
     import os, socket
@@ -367,32 +367,32 @@ def _arp_getnode():
         return None
 
     # Try getting the MAC addr from arp based on our IP address (Solaris).
-    return _find_mac('arp', '-an', [ip_addr], lambda i: -1)
+    return _find_mac('arp', '-an', [os.fsencode(ip_addr)], lambda i: -1)
 
 def _lanscan_getnode():
     """Get the hardware address on Unix by running lanscan."""
     # This might work on HP-UX.
-    return _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0)
+    return _find_mac('lanscan', '-ai', [b'lan0'], lambda i: 0)
 
 def _netstat_getnode():
     """Get the hardware address on Unix by running netstat."""
     # This might work on AIX, Tru64 UNIX and presumably on IRIX.
     try:
-        pipe = _popen('netstat', '-ia')
-        if not pipe:
+        proc = _popen('netstat', '-ia')
+        if not proc:
             return
-        with pipe:
-            words = pipe.readline().rstrip().split()
+        with proc:
+            words = proc.stdout.readline().rstrip().split()
             try:
-                i = words.index('Address')
+                i = words.index(b'Address')
             except ValueError:
                 return
-            for line in pipe:
+            for line in proc.stdout:
                 try:
                     words = line.rstrip().split()
                     word = words[i]
-                    if len(word) == 17 and word.count(':') == 5:
-                        mac = int(word.replace(':', ''), 16)
+                    if len(word) == 17 and word.count(b':') == 5:
+                        mac = int(word.replace(b':', b''), 16)
                         if mac:
                             return mac
                 except (ValueError, IndexError):
@@ -447,9 +447,10 @@ def _netbios_getnode():
         if win32wnet.Netbios(ncb) != 0:
             continue
         status._unpack()
-        bytes = status.adapter_address
-        return ((bytes[0]<<40) + (bytes[1]<<32) + (bytes[2]<<24) +
-                (bytes[3]<<16) + (bytes[4]<<8) + bytes[5])
+        bytes = status.adapter_address[:6]
+        if len(bytes) != 6:
+            continue
+        return int.from_bytes(bytes, 'big')
 
 # Thanks to Thomas Heller for ctypes and for his help with its use here.
 
@@ -518,7 +519,7 @@ def _windll_getnode():
 def _random_getnode():
     """Get a random node ID, with eighth bit set as suggested by RFC 4122."""
     import random
-    return random.randrange(0, 1<<48) | 0x010000000000
+    return random.getrandbits(48) | 0x010000000000
 
 _node = None
 
@@ -539,8 +540,8 @@ def getnode():
     if sys.platform == 'win32':
         getters = [_windll_getnode, _netbios_getnode, _ipconfig_getnode]
     else:
-        getters = [_unixdll_getnode, _ifconfig_getnode, _arp_getnode,
-                   _lanscan_getnode, _netstat_getnode]
+        getters = [_unixdll_getnode, _ifconfig_getnode, _ip_getnode,
+                   _arp_getnode, _lanscan_getnode, _netstat_getnode]
 
     for getter in getters + [_random_getnode]:
         try:
@@ -576,7 +577,7 @@ def uuid1(node=None, clock_seq=None):
     _last_timestamp = timestamp
     if clock_seq is None:
         import random
-        clock_seq = random.randrange(1<<14) # instead of stable storage
+        clock_seq = random.getrandbits(14) # instead of stable storage
     time_low = timestamp & 0xffffffff
     time_mid = (timestamp >> 32) & 0xffff
     time_hi_version = (timestamp >> 48) & 0x0fff
@@ -608,8 +609,7 @@ def uuid4():
         return UUID(bytes=os.urandom(16), version=4)
     except:
         import random
-        bytes = bytes_(random.randrange(256) for i in range(16))
-        return UUID(bytes=bytes, version=4)
+        return UUID(int=random.getrandbits(128), version=4)
 
 def uuid5(namespace, name):
     """Generate a UUID from the SHA-1 hash of a namespace UUID and a name."""
diff --git a/Lib/warnings.py b/Lib/warnings.py
index 70d087e..16246b4 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -169,7 +169,9 @@ def warn(message, category=None, stacklevel=1):
     # Check category argument
     if category is None:
         category = UserWarning
-    assert issubclass(category, Warning)
+    if not (isinstance(category, type) and issubclass(category, Warning)):
+        raise TypeError("category must be a Warning subclass, "
+                        "not '{:s}'".format(type(category).__name__))
     # Get context information
     try:
         caller = sys._getframe(stacklevel)
@@ -186,7 +188,7 @@ def warn(message, category=None, stacklevel=1):
     filename = globals.get('__file__')
     if filename:
         fnl = filename.lower()
-        if fnl.endswith((".pyc", ".pyo")):
+        if fnl.endswith(".pyc"):
             filename = filename[:-1]
     else:
         if module == "__main__":
diff --git a/Lib/weakref.py b/Lib/weakref.py
index 12bf975..a4ecadc 100644
--- a/Lib/weakref.py
+++ b/Lib/weakref.py
@@ -144,7 +144,7 @@ class WeakValueDictionary(collections.MutableMapping):
         return o is not None
 
     def __repr__(self):
-        return "<WeakValueDictionary at %s>" % id(self)
+        return "<%s at %#x>" % (self.__class__.__name__, id(self))
 
     def __setitem__(self, key, value):
         if self._pending_removals:
@@ -359,7 +359,7 @@ class WeakKeyDictionary(collections.MutableMapping):
         return len(self.data) - len(self._pending_removals)
 
     def __repr__(self):
-        return "<WeakKeyDictionary at %s>" % id(self)
+        return "<%s at %#x>" % (self.__class__.__name__, id(self))
 
     def __setitem__(self, key, value):
         self.data[ref(key, self._remove)] = value
diff --git a/Lib/wsgiref/headers.py b/Lib/wsgiref/headers.py
index d939628..7e670b3 100644
--- a/Lib/wsgiref/headers.py
+++ b/Lib/wsgiref/headers.py
@@ -26,10 +26,10 @@ def _formatparam(param, value=None, quote=1):
 
 
 class Headers:
-
     """Manage a collection of HTTP response headers"""
 
-    def __init__(self,headers):
+    def __init__(self, headers=None):
+        headers = headers if headers is not None else []
         if type(headers) is not list:
             raise TypeError("Headers must be a list of name/value tuples")
         self._headers = headers
@@ -131,7 +131,7 @@ class Headers:
         return self._headers[:]
 
     def __repr__(self):
-        return "Headers(%r)" % self._headers
+        return "%s(%r)" % (self.__class__.__name__, self._headers)
 
     def __str__(self):
         """str() returns the formatted headers, complete with end line,
diff --git a/Lib/xml/dom/minidom.py b/Lib/xml/dom/minidom.py
index c379a33..a5d813f 100644
--- a/Lib/xml/dom/minidom.py
+++ b/Lib/xml/dom/minidom.py
@@ -545,9 +545,6 @@ class NamedNodeMap(object):
     def __lt__(self, other):
         return self._cmp(other) < 0
 
-    def __ne__(self, other):
-        return self._cmp(other) != 0
-
     def __getitem__(self, attname_or_tuple):
         if isinstance(attname_or_tuple, tuple):
             return self._attrsNS[attname_or_tuple]
@@ -648,9 +645,10 @@ class TypeInfo(object):
 
     def __repr__(self):
         if self.namespace:
-            return "<TypeInfo %r (from %r)>" % (self.name, self.namespace)
+            return "<%s %r (from %r)>" % (self.__class__.__name__, self.name,
+                                          self.namespace)
         else:
-            return "<TypeInfo %r>" % self.name
+            return "<%s %r>" % (self.__class__.__name__, self.name)
 
     def _get_name(self):
         return self.name
diff --git a/Lib/xml/etree/ElementPath.py b/Lib/xml/etree/ElementPath.py
index d914ddb..5de4232 100644
--- a/Lib/xml/etree/ElementPath.py
+++ b/Lib/xml/etree/ElementPath.py
@@ -114,7 +114,10 @@ def prepare_self(next, token):
     return select
 
 def prepare_descendant(next, token):
-    token = next()
+    try:
+        token = next()
+    except StopIteration:
+        return
     if token[0] == "*":
         tag = "*"
     elif not token[0]:
@@ -148,7 +151,10 @@ def prepare_predicate(next, token):
     signature = []
     predicate = []
     while 1:
-        token = next()
+        try:
+            token = next()
+        except StopIteration:
+            return
         if token[0] == "]":
             break
         if token[0] and token[0][:1] in "'\"":
@@ -261,7 +267,10 @@ def iterfind(elem, path, namespaces=None):
         if path[:1] == "/":
             raise SyntaxError("cannot use absolute path on element")
         next = iter(xpath_tokenizer(path, namespaces)).__next__
-        token = next()
+        try:
+            token = next()
+        except StopIteration:
+            return
         selector = []
         while 1:
             try:
@@ -286,10 +295,7 @@ def iterfind(elem, path, namespaces=None):
 # Find first matching object.
 
 def find(elem, path, namespaces=None):
-    try:
-        return next(iterfind(elem, path, namespaces))
-    except StopIteration:
-        return None
+    return next(iterfind(elem, path, namespaces), None)
 
 ##
 # Find all matching objects.
diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index a8585b6..4c109a2 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -174,7 +174,7 @@ class Element:
         self._children = []
 
     def __repr__(self):
-        return "<Element %s at 0x%x>" % (repr(self.tag), id(self))
+        return "<%s %r at %#x>" % (self.__class__.__name__, self.tag, id(self))
 
     def makeelement(self, tag, attrib):
         """Create a new element with the same type.
@@ -509,7 +509,7 @@ class QName:
     def __str__(self):
         return self.text
     def __repr__(self):
-        return '<QName %r>' % (self.text,)
+        return '<%s %r>' % (self.__class__.__name__, self.text)
     def __hash__(self):
         return hash(self.text)
     def __le__(self, other):
@@ -532,10 +532,6 @@ class QName:
         if isinstance(other, QName):
             return self.text == other.text
         return self.text == other
-    def __ne__(self, other):
-        if isinstance(other, QName):
-            return self.text != other.text
-        return self.text != other
 
 # --------------------------------------------------------------------
 
diff --git a/Lib/xml/sax/__init__.py b/Lib/xml/sax/__init__.py
index b161b1f..ef67ae6 100644
--- a/Lib/xml/sax/__init__.py
+++ b/Lib/xml/sax/__init__.py
@@ -33,8 +33,7 @@ def parse(source, handler, errorHandler=ErrorHandler()):
     parser.parse(source)
 
 def parseString(string, handler, errorHandler=ErrorHandler()):
-    from io import BytesIO
-
+    import io
     if errorHandler is None:
         errorHandler = ErrorHandler()
     parser = make_parser()
@@ -42,7 +41,10 @@ def parseString(string, handler, errorHandler=ErrorHandler()):
     parser.setErrorHandler(errorHandler)
 
     inpsrc = InputSource()
-    inpsrc.setByteStream(BytesIO(string))
+    if isinstance(string, str):
+        inpsrc.setCharacterStream(io.StringIO(string))
+    else:
+        inpsrc.setByteStream(io.BytesIO(string))
     parser.parse(inpsrc)
 
 # this is the parser list used by the make_parser function if no
diff --git a/Lib/xml/sax/expatreader.py b/Lib/xml/sax/expatreader.py
index 29d75ab..1795b23 100644
--- a/Lib/xml/sax/expatreader.py
+++ b/Lib/xml/sax/expatreader.py
@@ -221,9 +221,14 @@ class ExpatParser(xmlreader.IncrementalParser, xmlreader.Locator):
             self._parsing = 0
             # break cycle created by expat handlers pointing to our methods
             self._parser = None
-            bs = self._source.getByteStream()
-            if bs is not None:
-                bs.close()
+            try:
+                file = self._source.getCharacterStream()
+                if file is not None:
+                    file.close()
+            finally:
+                file = self._source.getByteStream()
+                if file is not None:
+                    file.close()
 
     def _reset_cont_handler(self):
         self._parser.ProcessingInstructionHandler = \
diff --git a/Lib/xml/sax/saxutils.py b/Lib/xml/sax/saxutils.py
index 1d3d0ec..a69c7f7 100644
--- a/Lib/xml/sax/saxutils.py
+++ b/Lib/xml/sax/saxutils.py
@@ -345,11 +345,14 @@ def prepare_input_source(source, base=""):
     elif hasattr(source, "read"):
         f = source
         source = xmlreader.InputSource()
-        source.setByteStream(f)
+        if isinstance(f.read(0), str):
+            source.setCharacterStream(f)
+        else:
+            source.setByteStream(f)
         if hasattr(f, "name") and isinstance(f.name, str):
             source.setSystemId(f.name)
 
-    if source.getByteStream() is None:
+    if source.getCharacterStream() is None and source.getByteStream() is None:
         sysid = source.getSystemId()
         basehead = os.path.dirname(os.path.normpath(base))
         sysidfilename = os.path.join(basehead, sysid)
diff --git a/Lib/xml/sax/xmlreader.py b/Lib/xml/sax/xmlreader.py
index 7ef497f..716f228 100644
--- a/Lib/xml/sax/xmlreader.py
+++ b/Lib/xml/sax/xmlreader.py
@@ -117,7 +117,9 @@ class IncrementalParser(XMLReader):
         source = saxutils.prepare_input_source(source)
 
         self.prepareParser(source)
-        file = source.getByteStream()
+        file = source.getCharacterStream()
+        if file is None:
+            file = source.getByteStream()
         buffer = file.read(self._bufsize)
         while buffer:
             self.feed(buffer)
diff --git a/Lib/xmlrpc/client.py b/Lib/xmlrpc/client.py
index 4521325..acb8142 100644
--- a/Lib/xmlrpc/client.py
+++ b/Lib/xmlrpc/client.py
@@ -208,8 +208,8 @@ class ProtocolError(Error):
         self.headers = headers
     def __repr__(self):
         return (
-            "<ProtocolError for %s: %s %s>" %
-            (self.url, self.errcode, self.errmsg)
+            "<%s for %s: %s %s>" %
+            (self.__class__.__name__, self.url, self.errcode, self.errmsg)
             )
 
 ##
@@ -237,7 +237,8 @@ class Fault(Error):
         self.faultCode = faultCode
         self.faultString = faultString
     def __repr__(self):
-        return "<Fault %s: %r>" % (self.faultCode, self.faultString)
+        return "<%s %s: %r>" % (self.__class__.__name__,
+                                self.faultCode, self.faultString)
 
 # --------------------------------------------------------------------
 # Special values
@@ -339,10 +340,6 @@ class DateTime:
         s, o = self.make_comparable(other)
         return s == o
 
-    def __ne__(self, other):
-        s, o = self.make_comparable(other)
-        return s != o
-
     def timetuple(self):
         return time.strptime(self.value, "%Y%m%dT%H:%M:%S")
 
@@ -355,7 +352,7 @@ class DateTime:
         return self.value
 
     def __repr__(self):
-        return "<DateTime %r at %x>" % (self.value, id(self))
+        return "<%s %r at %#x>" % (self.__class__.__name__, self.value, id(self))
 
     def decode(self, data):
         self.value = str(data).strip()
@@ -406,11 +403,6 @@ class Binary:
             other = other.data
         return self.data == other
 
-    def __ne__(self, other):
-        if isinstance(other, Binary):
-            other = other.data
-        return self.data != other
-
     def decode(self, data):
         self.data = base64.decodebytes(data)
 
@@ -852,7 +844,7 @@ class MultiCall:
         self.__call_list = []
 
     def __repr__(self):
-        return "<MultiCall at %x>" % id(self)
+        return "<%s at %#x>" % (self.__class__.__name__, id(self))
 
     __str__ = __repr__
 
@@ -1023,12 +1015,9 @@ def gzip_encode(data):
     if not gzip:
         raise NotImplementedError
     f = BytesIO()
-    gzf = gzip.GzipFile(mode="wb", fileobj=f, compresslevel=1)
-    gzf.write(data)
-    gzf.close()
-    encoded = f.getvalue()
-    f.close()
-    return encoded
+    with gzip.GzipFile(mode="wb", fileobj=f, compresslevel=1) as gzf:
+        gzf.write(data)
+    return f.getvalue()
 
 ##
 # Decode a string using the gzip content encoding such as specified by the
@@ -1049,17 +1038,14 @@ def gzip_decode(data, max_decode=20971520):
     """
     if not gzip:
         raise NotImplementedError
-    f = BytesIO(data)
-    gzf = gzip.GzipFile(mode="rb", fileobj=f)
-    try:
-        if max_decode < 0: # no limit
-            decoded = gzf.read()
-        else:
-            decoded = gzf.read(max_decode + 1)
-    except OSError:
-        raise ValueError("invalid data")
-    f.close()
-    gzf.close()
+    with gzip.GzipFile(mode="rb", fileobj=BytesIO(data)) as gzf:
+        try:
+            if max_decode < 0: # no limit
+                decoded = gzf.read()
+            else:
+                decoded = gzf.read(max_decode + 1)
+        except OSError:
+            raise ValueError("invalid data")
     if max_decode >= 0 and len(decoded) > max_decode:
         raise ValueError("max gzipped payload length exceeded")
     return decoded
@@ -1149,7 +1135,7 @@ class Transport:
                 if i or e.errno not in (errno.ECONNRESET, errno.ECONNABORTED,
                                         errno.EPIPE):
                     raise
-            except http.client.BadStatusLine: #close after we sent request
+            except http.client.RemoteDisconnected:
                 if i:
                     raise
 
@@ -1452,8 +1438,8 @@ class ServerProxy:
 
     def __repr__(self):
         return (
-            "<ServerProxy for %s%s>" %
-            (self.__host, self.__handler)
+            "<%s for %s%s>" %
+            (self.__class__.__name__, self.__host, self.__handler)
             )
 
     __str__ = __repr__
@@ -1475,6 +1461,12 @@ class ServerProxy:
             return self.__transport
         raise AttributeError("Attribute %r not found" % (attr,))
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.__close()
+
 # compatibility
 
 Server = ServerProxy
diff --git a/Lib/zipapp.py b/Lib/zipapp.py
new file mode 100644
index 0000000..c8380bf
--- /dev/null
+++ b/Lib/zipapp.py
@@ -0,0 +1,200 @@
+import contextlib
+import os
+import pathlib
+import shutil
+import stat
+import sys
+import zipfile
+
+__all__ = ['ZipAppError', 'create_archive', 'get_interpreter']
+
+
+# The __main__.py used if the users specifies "-m module:fn".
+# Note that this will always be written as UTF-8 (module and
+# function names can be non-ASCII in Python 3).
+# We add a coding cookie even though UTF-8 is the default in Python 3
+# because the resulting archive may be intended to be run under Python 2.
+MAIN_TEMPLATE = """\
+# -*- coding: utf-8 -*-
+import {module}
+{module}.{fn}()
+"""
+
+
+# The Windows launcher defaults to UTF-8 when parsing shebang lines if the
+# file has no BOM. So use UTF-8 on Windows.
+# On Unix, use the filesystem encoding.
+if sys.platform.startswith('win'):
+    shebang_encoding = 'utf-8'
+else:
+    shebang_encoding = sys.getfilesystemencoding()
+
+
+class ZipAppError(ValueError):
+    pass
+
+
+@contextlib.contextmanager
+def _maybe_open(archive, mode):
+    if isinstance(archive, pathlib.Path):
+        archive = str(archive)
+    if isinstance(archive, str):
+        with open(archive, mode) as f:
+            yield f
+    else:
+        yield archive
+
+
+def _write_file_prefix(f, interpreter):
+    """Write a shebang line."""
+    if interpreter:
+        shebang = b'#!' + interpreter.encode(shebang_encoding) + b'\n'
+        f.write(shebang)
+
+
+def _copy_archive(archive, new_archive, interpreter=None):
+    """Copy an application archive, modifying the shebang line."""
+    with _maybe_open(archive, 'rb') as src:
+        # Skip the shebang line from the source.
+        # Read 2 bytes of the source and check if they are #!.
+        first_2 = src.read(2)
+        if first_2 == b'#!':
+            # Discard the initial 2 bytes and the rest of the shebang line.
+            first_2 = b''
+            src.readline()
+
+        with _maybe_open(new_archive, 'wb') as dst:
+            _write_file_prefix(dst, interpreter)
+            # If there was no shebang, "first_2" contains the first 2 bytes
+            # of the source file, so write them before copying the rest
+            # of the file.
+            dst.write(first_2)
+            shutil.copyfileobj(src, dst)
+
+    if interpreter and isinstance(new_archive, str):
+        os.chmod(new_archive, os.stat(new_archive).st_mode | stat.S_IEXEC)
+
+
+def create_archive(source, target=None, interpreter=None, main=None):
+    """Create an application archive from SOURCE.
+
+    The SOURCE can be the name of a directory, or a filename or a file-like
+    object referring to an existing archive.
+
+    The content of SOURCE is packed into an application archive in TARGET,
+    which can be a filename or a file-like object.  If SOURCE is a directory,
+    TARGET can be omitted and will default to the name of SOURCE with .pyz
+    appended.
+
+    The created application archive will have a shebang line specifying
+    that it should run with INTERPRETER (there will be no shebang line if
+    INTERPRETER is None), and a __main__.py which runs MAIN (if MAIN is
+    not specified, an existing __main__.py will be used). It is an to specify
+    MAIN for anything other than a directory source with no __main__.py, and it
+    is an error to omit MAIN if the directory has no __main__.py.
+    """
+    # Are we copying an existing archive?
+    source_is_file = False
+    if hasattr(source, 'read') and hasattr(source, 'readline'):
+        source_is_file = True
+    else:
+        source = pathlib.Path(source)
+        if source.is_file():
+            source_is_file = True
+
+    if source_is_file:
+        _copy_archive(source, target, interpreter)
+        return
+
+    # We are creating a new archive from a directory.
+    if not source.exists():
+        raise ZipAppError("Source does not exist")
+    has_main = (source / '__main__.py').is_file()
+    if main and has_main:
+        raise ZipAppError(
+            "Cannot specify entry point if the source has __main__.py")
+    if not (main or has_main):
+        raise ZipAppError("Archive has no entry point")
+
+    main_py = None
+    if main:
+        # Check that main has the right format.
+        mod, sep, fn = main.partition(':')
+        mod_ok = all(part.isidentifier() for part in mod.split('.'))
+        fn_ok = all(part.isidentifier() for part in fn.split('.'))
+        if not (sep == ':' and mod_ok and fn_ok):
+            raise ZipAppError("Invalid entry point: " + main)
+        main_py = MAIN_TEMPLATE.format(module=mod, fn=fn)
+
+    if target is None:
+        target = source.with_suffix('.pyz')
+    elif not hasattr(target, 'write'):
+        target = pathlib.Path(target)
+
+    with _maybe_open(target, 'wb') as fd:
+        _write_file_prefix(fd, interpreter)
+        with zipfile.ZipFile(fd, 'w') as z:
+            root = pathlib.Path(source)
+            for child in root.rglob('*'):
+                arcname = str(child.relative_to(root))
+                z.write(str(child), arcname)
+            if main_py:
+                z.writestr('__main__.py', main_py.encode('utf-8'))
+
+    if interpreter and not hasattr(target, 'write'):
+        target.chmod(target.stat().st_mode | stat.S_IEXEC)
+
+
+def get_interpreter(archive):
+    with _maybe_open(archive, 'rb') as f:
+        if f.read(2) == b'#!':
+            return f.readline().strip().decode(shebang_encoding)
+
+
+def main(args=None):
+    """Run the zipapp command line interface.
+
+    The ARGS parameter lets you specify the argument list directly.
+    Omitting ARGS (or setting it to None) works as for argparse, using
+    sys.argv[1:] as the argument list.
+    """
+    import argparse
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--output', '-o', default=None,
+            help="The name of the output archive. "
+                 "Required if SOURCE is an archive.")
+    parser.add_argument('--python', '-p', default=None,
+            help="The name of the Python interpreter to use "
+                 "(default: no shebang line).")
+    parser.add_argument('--main', '-m', default=None,
+            help="The main function of the application "
+                 "(default: use an existing __main__.py).")
+    parser.add_argument('--info', default=False, action='store_true',
+            help="Display the interpreter from the archive.")
+    parser.add_argument('source',
+            help="Source directory (or existing archive).")
+
+    args = parser.parse_args(args)
+
+    # Handle `python -m zipapp archive.pyz --info`.
+    if args.info:
+        if not os.path.isfile(args.source):
+            raise SystemExit("Can only get info for an archive file")
+        interpreter = get_interpreter(args.source)
+        print("Interpreter: {}".format(interpreter or "<none>"))
+        sys.exit(0)
+
+    if os.path.isfile(args.source):
+        if args.output is None or (os.path.exists(args.output) and
+                                   os.path.samefile(args.source, args.output)):
+            raise SystemExit("In-place editing of archives is not supported")
+        if args.main:
+            raise SystemExit("Cannot change the main function when copying")
+
+    create_archive(args.source, args.output,
+                   interpreter=args.python, main=args.main)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index bda6134..85bdaa9 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -13,6 +13,7 @@ import stat
 import shutil
 import struct
 import binascii
+import threading
 
 
 try:
@@ -355,6 +356,28 @@ class ZipInfo (object):
         # compress_size         Size of the compressed file
         # file_size             Size of the uncompressed file
 
+    def __repr__(self):
+        result = ['<%s filename=%r' % (self.__class__.__name__, self.filename)]
+        if self.compress_type != ZIP_STORED:
+            result.append(' compress_type=%s' %
+                          compressor_names.get(self.compress_type,
+                                               self.compress_type))
+        hi = self.external_attr >> 16
+        lo = self.external_attr & 0xFFFF
+        if hi:
+            result.append(' filemode=%r' % stat.filemode(hi))
+        if lo:
+            result.append(' external_attr=%#x' % lo)
+        isdir = self.filename[-1:] == '/'
+        if not isdir or self.file_size:
+            result.append(' file_size=%r' % self.file_size)
+        if ((not isdir or self.compress_size) and
+            (self.compress_type != ZIP_STORED or
+             self.file_size != self.compress_size)):
+            result.append(' compress_size=%r' % self.compress_size)
+        result.append('>')
+        return ''.join(result)
+
     def FileHeader(self, zip64=None):
         """Return the per-file header as a string."""
         dt = self.date_time
@@ -624,6 +647,47 @@ def _get_decompressor(compress_type):
             raise NotImplementedError("compression type %d" % (compress_type,))
 
 
+class _SharedFile:
+    def __init__(self, file, pos, close, lock):
+        self._file = file
+        self._pos = pos
+        self._close = close
+        self._lock = lock
+
+    def read(self, n=-1):
+        with self._lock:
+            self._file.seek(self._pos)
+            data = self._file.read(n)
+            self._pos = self._file.tell()
+            return data
+
+    def close(self):
+        if self._file is not None:
+            fileobj = self._file
+            self._file = None
+            self._close(fileobj)
+
+# Provide the tell method for unseekable stream
+class _Tellable:
+    def __init__(self, fp):
+        self.fp = fp
+        self.offset = 0
+
+    def write(self, data):
+        n = self.fp.write(data)
+        self.offset += n
+        return n
+
+    def tell(self):
+        return self.offset
+
+    def flush(self):
+        self.fp.flush()
+
+    def close(self):
+        self.fp.close()
+
+
 class ZipExtFile(io.BufferedIOBase):
     """File-like object for reading an archive member.
        Is returned by ZipFile.open().
@@ -671,6 +735,20 @@ class ZipExtFile(io.BufferedIOBase):
         else:
             self._expected_crc = None
 
+    def __repr__(self):
+        result = ['<%s.%s' % (self.__class__.__module__,
+                              self.__class__.__qualname__)]
+        if not self.closed:
+            result.append(' name=%r mode=%r' % (self.name, self.mode))
+            if self._compress_type != ZIP_STORED:
+                result.append(' compress_type=%s' %
+                              compressor_names.get(self._compress_type,
+                                                   self._compress_type))
+        else:
+            result.append(' [closed]')
+        result.append('>')
+        return ''.join(result)
+
     def readline(self, limit=-1):
         """Read and return a line from the stream.
 
@@ -884,7 +962,8 @@ class ZipFile:
 
     file: Either the path to the file, or a file-like object.
           If it is a path, the file will be opened and closed by ZipFile.
-    mode: The mode can be either read "r", write "w" or append "a".
+    mode: The mode can be either read 'r', write 'w', exclusive create 'x',
+          or append 'a'.
     compression: ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib),
                  ZIP_BZIP2 (requires bz2) or ZIP_LZMA (requires lzma).
     allowZip64: if True ZipFile will create files with ZIP64 extensions when
@@ -897,9 +976,10 @@ class ZipFile:
     _windows_illegal_name_trans_table = None
 
     def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=True):
-        """Open the ZIP file with mode read "r", write "w" or append "a"."""
-        if mode not in ("r", "w", "a"):
-            raise RuntimeError('ZipFile() requires mode "r", "w", or "a"')
+        """Open the ZIP file with mode read 'r', write 'w', exclusive create 'x',
+        or append 'a'."""
+        if mode not in ('r', 'w', 'x', 'a'):
+            raise RuntimeError("ZipFile requires mode 'r', 'w', 'x', or 'a'")
 
         _check_compression(compression)
 
@@ -909,7 +989,7 @@ class ZipFile:
         self.NameToInfo = {}    # Find file info given name
         self.filelist = []      # List of ZipInfo instances for archive
         self.compression = compression  # Method of compression
-        self.mode = key = mode.replace('b', '')[0]
+        self.mode = mode
         self.pwd = None
         self._comment = b''
 
@@ -918,33 +998,51 @@ class ZipFile:
             # No, it's a filename
             self._filePassed = 0
             self.filename = file
-            modeDict = {'r' : 'rb', 'w': 'wb', 'a' : 'r+b'}
-            try:
-                self.fp = io.open(file, modeDict[mode])
-            except OSError:
-                if mode == 'a':
-                    mode = key = 'w'
-                    self.fp = io.open(file, modeDict[mode])
-                else:
+            modeDict = {'r' : 'rb', 'w': 'w+b', 'x': 'x+b', 'a' : 'r+b',
+                        'r+b': 'w+b', 'w+b': 'wb', 'x+b': 'xb'}
+            filemode = modeDict[mode]
+            while True:
+                try:
+                    self.fp = io.open(file, filemode)
+                except OSError:
+                    if filemode in modeDict:
+                        filemode = modeDict[filemode]
+                        continue
                     raise
+                break
         else:
             self._filePassed = 1
             self.fp = file
             self.filename = getattr(file, 'name', None)
+        self._fileRefCnt = 1
+        self._lock = threading.RLock()
+        self._seekable = True
 
         try:
-            if key == 'r':
+            if mode == 'r':
                 self._RealGetContents()
-            elif key == 'w':
+            elif mode in ('w', 'x'):
                 # set the modified flag so central directory gets written
                 # even if no files are added to the archive
                 self._didModify = True
-            elif key == 'a':
+                try:
+                    self.start_dir = self.fp.tell()
+                except (AttributeError, OSError):
+                    self.fp = _Tellable(self.fp)
+                    self.start_dir = 0
+                    self._seekable = False
+                else:
+                    # Some file-like objects can provide tell() but not seek()
+                    try:
+                        self.fp.seek(self.start_dir)
+                    except (AttributeError, OSError):
+                        self._seekable = False
+            elif mode == 'a':
                 try:
                     # See if file is a zip file
                     self._RealGetContents()
                     # seek to start of directory and overwrite
-                    self.fp.seek(self.start_dir, 0)
+                    self.fp.seek(self.start_dir)
                 except BadZipFile:
                     # file is not a zip file, just append
                     self.fp.seek(0, 2)
@@ -952,13 +1050,13 @@ class ZipFile:
                     # set the modified flag so central directory gets written
                     # even if no files are added to the archive
                     self._didModify = True
+                    self.start_dir = self.fp.tell()
             else:
-                raise RuntimeError('Mode must be "r", "w" or "a"')
+                raise RuntimeError("Mode must be 'r', 'w', 'x', or 'a'")
         except:
             fp = self.fp
             self.fp = None
-            if not self._filePassed:
-                fp.close()
+            self._fpclose(fp)
             raise
 
     def __enter__(self):
@@ -967,6 +1065,20 @@ class ZipFile:
     def __exit__(self, type, value, traceback):
         self.close()
 
+    def __repr__(self):
+        result = ['<%s.%s' % (self.__class__.__module__,
+                              self.__class__.__qualname__)]
+        if self.fp is not None:
+            if self._filePassed:
+                result.append(' file=%r' % self.fp)
+            elif self.filename is not None:
+                result.append(' filename=%r' % self.filename)
+            result.append(' mode=%r' % self.mode)
+        else:
+            result.append(' [closed]')
+        result.append('>')
+        return ''.join(result)
+
     def _RealGetContents(self):
         """Read in the table of contents for the ZIP file."""
         fp = self.fp
@@ -1131,23 +1243,17 @@ class ZipFile:
             raise RuntimeError(
                 "Attempt to read ZIP archive that was already closed")
 
-        # Only open a new file for instances where we were not
-        # given a file object in the constructor
-        if self._filePassed:
-            zef_file = self.fp
+        # Make sure we have an info object
+        if isinstance(name, ZipInfo):
+            # 'name' is already an info object
+            zinfo = name
         else:
-            zef_file = io.open(self.filename, 'rb')
+            # Get info object for name
+            zinfo = self.getinfo(name)
 
+        self._fileRefCnt += 1
+        zef_file = _SharedFile(self.fp, zinfo.header_offset, self._fpclose, self._lock)
         try:
-            # Make sure we have an info object
-            if isinstance(name, ZipInfo):
-                # 'name' is already an info object
-                zinfo = name
-            else:
-                # Get info object for name
-                zinfo = self.getinfo(name)
-            zef_file.seek(zinfo.header_offset, 0)
-
             # Skip the file header:
             fheader = zef_file.read(sizeFileHeader)
             if len(fheader) != sizeFileHeader:
@@ -1206,11 +1312,9 @@ class ZipFile:
                 if h[11] != check_byte:
                     raise RuntimeError("Bad password for file", name)
 
-            return ZipExtFile(zef_file, mode, zinfo, zd,
-                              close_fileobj=not self._filePassed)
+            return ZipExtFile(zef_file, mode, zinfo, zd, True)
         except:
-            if not self._filePassed:
-                zef_file.close()
+            zef_file.close()
             raise
 
     def extract(self, member, path=None, pwd=None):
@@ -1298,8 +1402,8 @@ class ZipFile:
         if zinfo.filename in self.NameToInfo:
             import warnings
             warnings.warn('Duplicate name: %r' % zinfo.filename, stacklevel=3)
-        if self.mode not in ("w", "a"):
-            raise RuntimeError('write() requires mode "w" or "a"')
+        if self.mode not in ('w', 'x', 'a'):
+            raise RuntimeError("write() requires mode 'w', 'x', or 'a'")
         if not self.fp:
             raise RuntimeError(
                 "Attempt to write ZIP archive that was already closed")
@@ -1344,66 +1448,79 @@ class ZipFile:
 
         zinfo.file_size = st.st_size
         zinfo.flag_bits = 0x00
-        zinfo.header_offset = self.fp.tell()    # Start of header bytes
-        if zinfo.compress_type == ZIP_LZMA:
-            # Compressed data includes an end-of-stream (EOS) marker
-            zinfo.flag_bits |= 0x02
-
-        self._writecheck(zinfo)
-        self._didModify = True
-
-        if isdir:
-            zinfo.file_size = 0
-            zinfo.compress_size = 0
-            zinfo.CRC = 0
-            zinfo.external_attr |= 0x10  # MS-DOS directory flag
+        with self._lock:
+            if self._seekable:
+                self.fp.seek(self.start_dir)
+            zinfo.header_offset = self.fp.tell()    # Start of header bytes
+            if zinfo.compress_type == ZIP_LZMA:
+                # Compressed data includes an end-of-stream (EOS) marker
+                zinfo.flag_bits |= 0x02
+
+            self._writecheck(zinfo)
+            self._didModify = True
+
+            if isdir:
+                zinfo.file_size = 0
+                zinfo.compress_size = 0
+                zinfo.CRC = 0
+                zinfo.external_attr |= 0x10  # MS-DOS directory flag
+                self.filelist.append(zinfo)
+                self.NameToInfo[zinfo.filename] = zinfo
+                self.fp.write(zinfo.FileHeader(False))
+                self.start_dir = self.fp.tell()
+                return
+
+            cmpr = _get_compressor(zinfo.compress_type)
+            if not self._seekable:
+                zinfo.flag_bits |= 0x08
+            with open(filename, "rb") as fp:
+                # Must overwrite CRC and sizes with correct data later
+                zinfo.CRC = CRC = 0
+                zinfo.compress_size = compress_size = 0
+                # Compressed size can be larger than uncompressed size
+                zip64 = self._allowZip64 and \
+                    zinfo.file_size * 1.05 > ZIP64_LIMIT
+                self.fp.write(zinfo.FileHeader(zip64))
+                file_size = 0
+                while 1:
+                    buf = fp.read(1024 * 8)
+                    if not buf:
+                        break
+                    file_size = file_size + len(buf)
+                    CRC = crc32(buf, CRC) & 0xffffffff
+                    if cmpr:
+                        buf = cmpr.compress(buf)
+                        compress_size = compress_size + len(buf)
+                    self.fp.write(buf)
+            if cmpr:
+                buf = cmpr.flush()
+                compress_size = compress_size + len(buf)
+                self.fp.write(buf)
+                zinfo.compress_size = compress_size
+            else:
+                zinfo.compress_size = file_size
+            zinfo.CRC = CRC
+            zinfo.file_size = file_size
+            if zinfo.flag_bits & 0x08:
+                # Write CRC and file sizes after the file data
+                fmt = '<LQQ' if zip64 else '<LLL'
+                self.fp.write(struct.pack(fmt, zinfo.CRC, zinfo.compress_size,
+                                          zinfo.file_size))
+                self.start_dir = self.fp.tell()
+            else:
+                if not zip64 and self._allowZip64:
+                    if file_size > ZIP64_LIMIT:
+                        raise RuntimeError('File size has increased during compressing')
+                    if compress_size > ZIP64_LIMIT:
+                        raise RuntimeError('Compressed size larger than uncompressed size')
+                # Seek backwards and write file header (which will now include
+                # correct CRC and file sizes)
+                self.start_dir = self.fp.tell() # Preserve current position in file
+                self.fp.seek(zinfo.header_offset)
+                self.fp.write(zinfo.FileHeader(zip64))
+                self.fp.seek(self.start_dir)
             self.filelist.append(zinfo)
             self.NameToInfo[zinfo.filename] = zinfo
-            self.fp.write(zinfo.FileHeader(False))
-            return
-
-        cmpr = _get_compressor(zinfo.compress_type)
-        with open(filename, "rb") as fp:
-            # Must overwrite CRC and sizes with correct data later
-            zinfo.CRC = CRC = 0
-            zinfo.compress_size = compress_size = 0
-            # Compressed size can be larger than uncompressed size
-            zip64 = self._allowZip64 and \
-                zinfo.file_size * 1.05 > ZIP64_LIMIT
-            self.fp.write(zinfo.FileHeader(zip64))
-            file_size = 0
-            while 1:
-                buf = fp.read(1024 * 8)
-                if not buf:
-                    break
-                file_size = file_size + len(buf)
-                CRC = crc32(buf, CRC) & 0xffffffff
-                if cmpr:
-                    buf = cmpr.compress(buf)
-                    compress_size = compress_size + len(buf)
-                self.fp.write(buf)
-        if cmpr:
-            buf = cmpr.flush()
-            compress_size = compress_size + len(buf)
-            self.fp.write(buf)
-            zinfo.compress_size = compress_size
-        else:
-            zinfo.compress_size = file_size
-        zinfo.CRC = CRC
-        zinfo.file_size = file_size
-        if not zip64 and self._allowZip64:
-            if file_size > ZIP64_LIMIT:
-                raise RuntimeError('File size has increased during compressing')
-            if compress_size > ZIP64_LIMIT:
-                raise RuntimeError('Compressed size larger than uncompressed size')
-        # Seek backwards and write file header (which will now include
-        # correct CRC and file sizes)
-        position = self.fp.tell()       # Preserve current position in file
-        self.fp.seek(zinfo.header_offset, 0)
-        self.fp.write(zinfo.FileHeader(zip64))
-        self.fp.seek(position, 0)
-        self.filelist.append(zinfo)
-        self.NameToInfo[zinfo.filename] = zinfo
 
     def writestr(self, zinfo_or_arcname, data, compress_type=None):
         """Write a file into the archive.  The contents is 'data', which
@@ -1430,154 +1547,171 @@ class ZipFile:
                 "Attempt to write to ZIP archive that was already closed")
 
         zinfo.file_size = len(data)            # Uncompressed size
-        zinfo.header_offset = self.fp.tell()    # Start of header data
-        if compress_type is not None:
-            zinfo.compress_type = compress_type
-        if zinfo.compress_type == ZIP_LZMA:
-            # Compressed data includes an end-of-stream (EOS) marker
-            zinfo.flag_bits |= 0x02
-
-        self._writecheck(zinfo)
-        self._didModify = True
-        zinfo.CRC = crc32(data) & 0xffffffff       # CRC-32 checksum
-        co = _get_compressor(zinfo.compress_type)
-        if co:
-            data = co.compress(data) + co.flush()
-            zinfo.compress_size = len(data)    # Compressed size
-        else:
-            zinfo.compress_size = zinfo.file_size
-        zip64 = zinfo.file_size > ZIP64_LIMIT or \
-            zinfo.compress_size > ZIP64_LIMIT
-        if zip64 and not self._allowZip64:
-            raise LargeZipFile("Filesize would require ZIP64 extensions")
-        self.fp.write(zinfo.FileHeader(zip64))
-        self.fp.write(data)
-        if zinfo.flag_bits & 0x08:
-            # Write CRC and file sizes after the file data
-            fmt = '<LQQ' if zip64 else '<LLL'
-            self.fp.write(struct.pack(fmt, zinfo.CRC, zinfo.compress_size,
-                                      zinfo.file_size))
-        self.fp.flush()
-        self.filelist.append(zinfo)
-        self.NameToInfo[zinfo.filename] = zinfo
+        with self._lock:
+            if self._seekable:
+                self.fp.seek(self.start_dir)
+            zinfo.header_offset = self.fp.tell()    # Start of header data
+            if compress_type is not None:
+                zinfo.compress_type = compress_type
+            zinfo.header_offset = self.fp.tell()    # Start of header data
+            if compress_type is not None:
+                zinfo.compress_type = compress_type
+            if zinfo.compress_type == ZIP_LZMA:
+                # Compressed data includes an end-of-stream (EOS) marker
+                zinfo.flag_bits |= 0x02
+
+            self._writecheck(zinfo)
+            self._didModify = True
+            zinfo.CRC = crc32(data) & 0xffffffff       # CRC-32 checksum
+            co = _get_compressor(zinfo.compress_type)
+            if co:
+                data = co.compress(data) + co.flush()
+                zinfo.compress_size = len(data)    # Compressed size
+            else:
+                zinfo.compress_size = zinfo.file_size
+            zip64 = zinfo.file_size > ZIP64_LIMIT or \
+                zinfo.compress_size > ZIP64_LIMIT
+            if zip64 and not self._allowZip64:
+                raise LargeZipFile("Filesize would require ZIP64 extensions")
+            self.fp.write(zinfo.FileHeader(zip64))
+            self.fp.write(data)
+            if zinfo.flag_bits & 0x08:
+                # Write CRC and file sizes after the file data
+                fmt = '<LQQ' if zip64 else '<LLL'
+                self.fp.write(struct.pack(fmt, zinfo.CRC, zinfo.compress_size,
+                                          zinfo.file_size))
+            self.fp.flush()
+            self.start_dir = self.fp.tell()
+            self.filelist.append(zinfo)
+            self.NameToInfo[zinfo.filename] = zinfo
 
     def __del__(self):
         """Call the "close()" method in case the user forgot."""
         self.close()
 
     def close(self):
-        """Close the file, and for mode "w" and "a" write the ending
+        """Close the file, and for mode 'w', 'x' and 'a' write the ending
         records."""
         if self.fp is None:
             return
 
         try:
-            if self.mode in ("w", "a") and self._didModify: # write ending records
-                pos1 = self.fp.tell()
-                for zinfo in self.filelist:         # write central directory
-                    dt = zinfo.date_time
-                    dosdate = (dt[0] - 1980) << 9 | dt[1] << 5 | dt[2]
-                    dostime = dt[3] << 11 | dt[4] << 5 | (dt[5] // 2)
-                    extra = []
-                    if zinfo.file_size > ZIP64_LIMIT \
-                       or zinfo.compress_size > ZIP64_LIMIT:
-                        extra.append(zinfo.file_size)
-                        extra.append(zinfo.compress_size)
-                        file_size = 0xffffffff
-                        compress_size = 0xffffffff
-                    else:
-                        file_size = zinfo.file_size
-                        compress_size = zinfo.compress_size
+            if self.mode in ('w', 'x', 'a') and self._didModify: # write ending records
+                with self._lock:
+                    if self._seekable:
+                        self.fp.seek(self.start_dir)
+                    self._write_end_record()
+        finally:
+            fp = self.fp
+            self.fp = None
+            self._fpclose(fp)
+
+    def _write_end_record(self):
+        for zinfo in self.filelist:         # write central directory
+            dt = zinfo.date_time
+            dosdate = (dt[0] - 1980) << 9 | dt[1] << 5 | dt[2]
+            dostime = dt[3] << 11 | dt[4] << 5 | (dt[5] // 2)
+            extra = []
+            if zinfo.file_size > ZIP64_LIMIT \
+               or zinfo.compress_size > ZIP64_LIMIT:
+                extra.append(zinfo.file_size)
+                extra.append(zinfo.compress_size)
+                file_size = 0xffffffff
+                compress_size = 0xffffffff
+            else:
+                file_size = zinfo.file_size
+                compress_size = zinfo.compress_size
 
-                    if zinfo.header_offset > ZIP64_LIMIT:
-                        extra.append(zinfo.header_offset)
-                        header_offset = 0xffffffff
-                    else:
-                        header_offset = zinfo.header_offset
+            if zinfo.header_offset > ZIP64_LIMIT:
+                extra.append(zinfo.header_offset)
+                header_offset = 0xffffffff
+            else:
+                header_offset = zinfo.header_offset
 
-                    extra_data = zinfo.extra
-                    min_version = 0
-                    if extra:
-                        # Append a ZIP64 field to the extra's
-                        extra_data = struct.pack(
-                            '<HH' + 'Q'*len(extra),
-                            1, 8*len(extra), *extra) + extra_data
+            extra_data = zinfo.extra
+            min_version = 0
+            if extra:
+                # Append a ZIP64 field to the extra's
+                extra_data = struct.pack(
+                    '<HH' + 'Q'*len(extra),
+                    1, 8*len(extra), *extra) + extra_data
 
-                        min_version = ZIP64_VERSION
+                min_version = ZIP64_VERSION
 
-                    if zinfo.compress_type == ZIP_BZIP2:
-                        min_version = max(BZIP2_VERSION, min_version)
-                    elif zinfo.compress_type == ZIP_LZMA:
-                        min_version = max(LZMA_VERSION, min_version)
+            if zinfo.compress_type == ZIP_BZIP2:
+                min_version = max(BZIP2_VERSION, min_version)
+            elif zinfo.compress_type == ZIP_LZMA:
+                min_version = max(LZMA_VERSION, min_version)
 
-                    extract_version = max(min_version, zinfo.extract_version)
-                    create_version = max(min_version, zinfo.create_version)
-                    try:
-                        filename, flag_bits = zinfo._encodeFilenameFlags()
-                        centdir = struct.pack(structCentralDir,
-                                              stringCentralDir, create_version,
-                                              zinfo.create_system, extract_version, zinfo.reserved,
-                                              flag_bits, zinfo.compress_type, dostime, dosdate,
-                                              zinfo.CRC, compress_size, file_size,
-                                              len(filename), len(extra_data), len(zinfo.comment),
-                                              0, zinfo.internal_attr, zinfo.external_attr,
-                                              header_offset)
-                    except DeprecationWarning:
-                        print((structCentralDir, stringCentralDir, create_version,
-                               zinfo.create_system, extract_version, zinfo.reserved,
-                               zinfo.flag_bits, zinfo.compress_type, dostime, dosdate,
-                               zinfo.CRC, compress_size, file_size,
-                               len(zinfo.filename), len(extra_data), len(zinfo.comment),
-                               0, zinfo.internal_attr, zinfo.external_attr,
-                               header_offset), file=sys.stderr)
-                        raise
-                    self.fp.write(centdir)
-                    self.fp.write(filename)
-                    self.fp.write(extra_data)
-                    self.fp.write(zinfo.comment)
-
-                pos2 = self.fp.tell()
-                # Write end-of-zip-archive record
-                centDirCount = len(self.filelist)
-                centDirSize = pos2 - pos1
-                centDirOffset = pos1
-                requires_zip64 = None
-                if centDirCount > ZIP_FILECOUNT_LIMIT:
-                    requires_zip64 = "Files count"
-                elif centDirOffset > ZIP64_LIMIT:
-                    requires_zip64 = "Central directory offset"
-                elif centDirSize > ZIP64_LIMIT:
-                    requires_zip64 = "Central directory size"
-                if requires_zip64:
-                    # Need to write the ZIP64 end-of-archive records
-                    if not self._allowZip64:
-                        raise LargeZipFile(requires_zip64 +
-                                           " would require ZIP64 extensions")
-                    zip64endrec = struct.pack(
-                        structEndArchive64, stringEndArchive64,
-                        44, 45, 45, 0, 0, centDirCount, centDirCount,
-                        centDirSize, centDirOffset)
-                    self.fp.write(zip64endrec)
-
-                    zip64locrec = struct.pack(
-                        structEndArchive64Locator,
-                        stringEndArchive64Locator, 0, pos2, 1)
-                    self.fp.write(zip64locrec)
-                    centDirCount = min(centDirCount, 0xFFFF)
-                    centDirSize = min(centDirSize, 0xFFFFFFFF)
-                    centDirOffset = min(centDirOffset, 0xFFFFFFFF)
-
-                endrec = struct.pack(structEndArchive, stringEndArchive,
-                                     0, 0, centDirCount, centDirCount,
-                                     centDirSize, centDirOffset, len(self._comment))
-                self.fp.write(endrec)
-                self.fp.write(self._comment)
-                self.fp.flush()
-        finally:
-            fp = self.fp
-            self.fp = None
-            if not self._filePassed:
-                fp.close()
+            extract_version = max(min_version, zinfo.extract_version)
+            create_version = max(min_version, zinfo.create_version)
+            try:
+                filename, flag_bits = zinfo._encodeFilenameFlags()
+                centdir = struct.pack(structCentralDir,
+                                      stringCentralDir, create_version,
+                                      zinfo.create_system, extract_version, zinfo.reserved,
+                                      flag_bits, zinfo.compress_type, dostime, dosdate,
+                                      zinfo.CRC, compress_size, file_size,
+                                      len(filename), len(extra_data), len(zinfo.comment),
+                                      0, zinfo.internal_attr, zinfo.external_attr,
+                                      header_offset)
+            except DeprecationWarning:
+                print((structCentralDir, stringCentralDir, create_version,
+                       zinfo.create_system, extract_version, zinfo.reserved,
+                       zinfo.flag_bits, zinfo.compress_type, dostime, dosdate,
+                       zinfo.CRC, compress_size, file_size,
+                       len(zinfo.filename), len(extra_data), len(zinfo.comment),
+                       0, zinfo.internal_attr, zinfo.external_attr,
+                       header_offset), file=sys.stderr)
+                raise
+            self.fp.write(centdir)
+            self.fp.write(filename)
+            self.fp.write(extra_data)
+            self.fp.write(zinfo.comment)
+
+        pos2 = self.fp.tell()
+        # Write end-of-zip-archive record
+        centDirCount = len(self.filelist)
+        centDirSize = pos2 - self.start_dir
+        centDirOffset = self.start_dir
+        requires_zip64 = None
+        if centDirCount > ZIP_FILECOUNT_LIMIT:
+            requires_zip64 = "Files count"
+        elif centDirOffset > ZIP64_LIMIT:
+            requires_zip64 = "Central directory offset"
+        elif centDirSize > ZIP64_LIMIT:
+            requires_zip64 = "Central directory size"
+        if requires_zip64:
+            # Need to write the ZIP64 end-of-archive records
+            if not self._allowZip64:
+                raise LargeZipFile(requires_zip64 +
+                                   " would require ZIP64 extensions")
+            zip64endrec = struct.pack(
+                structEndArchive64, stringEndArchive64,
+                44, 45, 45, 0, 0, centDirCount, centDirCount,
+                centDirSize, centDirOffset)
+            self.fp.write(zip64endrec)
+
+            zip64locrec = struct.pack(
+                structEndArchive64Locator,
+                stringEndArchive64Locator, 0, pos2, 1)
+            self.fp.write(zip64locrec)
+            centDirCount = min(centDirCount, 0xFFFF)
+            centDirSize = min(centDirSize, 0xFFFFFFFF)
+            centDirOffset = min(centDirOffset, 0xFFFFFFFF)
+
+        endrec = struct.pack(structEndArchive, stringEndArchive,
+                             0, 0, centDirCount, centDirCount,
+                             centDirSize, centDirOffset, len(self._comment))
+        self.fp.write(endrec)
+        self.fp.write(self._comment)
+        self.fp.flush()
+
+    def _fpclose(self, fp):
+        assert self._fileRefCnt > 0
+        self._fileRefCnt -= 1
+        if not self._fileRefCnt and not self._filePassed:
+            fp.close()
 
 
 class PyZipFile(ZipFile):
@@ -1597,7 +1731,7 @@ class PyZipFile(ZipFile):
         the modules into the archive.  If pathname is a plain
         directory, listdir *.py and enter all modules.  Else, pathname
         must be a Python *.py file and the module will be put into the
-        archive.  Added modules are always module.pyo or module.pyc.
+        archive.  Added modules are always module.pyc.
         This method will compile the module.py into module.pyc if
         necessary.
         If filterfunc(pathname) is given, it is called with every argument.
@@ -1690,46 +1824,59 @@ class PyZipFile(ZipFile):
 
         file_py  = pathname + ".py"
         file_pyc = pathname + ".pyc"
-        file_pyo = pathname + ".pyo"
-        pycache_pyc = importlib.util.cache_from_source(file_py, True)
-        pycache_pyo = importlib.util.cache_from_source(file_py, False)
+        pycache_opt0 = importlib.util.cache_from_source(file_py, optimization='')
+        pycache_opt1 = importlib.util.cache_from_source(file_py, optimization=1)
+        pycache_opt2 = importlib.util.cache_from_source(file_py, optimization=2)
         if self._optimize == -1:
             # legacy mode: use whatever file is present
-            if (os.path.isfile(file_pyo) and
-                os.stat(file_pyo).st_mtime >= os.stat(file_py).st_mtime):
-                # Use .pyo file.
-                arcname = fname = file_pyo
-            elif (os.path.isfile(file_pyc) and
+            if (os.path.isfile(file_pyc) and
                   os.stat(file_pyc).st_mtime >= os.stat(file_py).st_mtime):
                 # Use .pyc file.
                 arcname = fname = file_pyc
-            elif (os.path.isfile(pycache_pyc) and
-                  os.stat(pycache_pyc).st_mtime >= os.stat(file_py).st_mtime):
+            elif (os.path.isfile(pycache_opt0) and
+                  os.stat(pycache_opt0).st_mtime >= os.stat(file_py).st_mtime):
                 # Use the __pycache__/*.pyc file, but write it to the legacy pyc
                 # file name in the archive.
-                fname = pycache_pyc
+                fname = pycache_opt0
                 arcname = file_pyc
-            elif (os.path.isfile(pycache_pyo) and
-                  os.stat(pycache_pyo).st_mtime >= os.stat(file_py).st_mtime):
-                # Use the __pycache__/*.pyo file, but write it to the legacy pyo
+            elif (os.path.isfile(pycache_opt1) and
+                  os.stat(pycache_opt1).st_mtime >= os.stat(file_py).st_mtime):
+                # Use the __pycache__/*.pyc file, but write it to the legacy pyc
+                # file name in the archive.
+                fname = pycache_opt1
+                arcname = file_pyc
+            elif (os.path.isfile(pycache_opt2) and
+                  os.stat(pycache_opt2).st_mtime >= os.stat(file_py).st_mtime):
+                # Use the __pycache__/*.pyc file, but write it to the legacy pyc
                 # file name in the archive.
-                fname = pycache_pyo
-                arcname = file_pyo
+                fname = pycache_opt2
+                arcname = file_pyc
             else:
                 # Compile py into PEP 3147 pyc file.
                 if _compile(file_py):
-                    fname = (pycache_pyc if __debug__ else pycache_pyo)
-                    arcname = (file_pyc if __debug__ else file_pyo)
+                    if sys.flags.optimize == 0:
+                        fname = pycache_opt0
+                    elif sys.flags.optimize == 1:
+                        fname = pycache_opt1
+                    else:
+                        fname = pycache_opt2
+                    arcname = file_pyc
                 else:
                     fname = arcname = file_py
         else:
             # new mode: use given optimization level
             if self._optimize == 0:
-                fname = pycache_pyc
+                fname = pycache_opt0
                 arcname = file_pyc
             else:
-                fname = pycache_pyo
-                arcname = file_pyo
+                arcname = file_pyc
+                if self._optimize == 1:
+                    fname = pycache_opt1
+                elif self._optimize == 2:
+                    fname = pycache_opt2
+                else:
+                    msg = "invalid value for 'optimize': {!r}".format(self._optimize)
+                    raise ValueError(msg)
             if not (os.path.isfile(fname) and
                     os.stat(fname).st_mtime >= os.stat(file_py).st_mtime):
                 if not _compile(file_py, optimize=self._optimize):
diff --git a/Mac/BuildScript/README.txt b/Mac/BuildScript/README.txt
index 8eb539c..46830ad 100644
--- a/Mac/BuildScript/README.txt
+++ b/Mac/BuildScript/README.txt
@@ -1,25 +1,15 @@
 Building a Python Mac OS X distribution
 =======================================
 
-The ``build-installer.py`` script creates Python distributions, including
-certain third-party libraries as necessary.  It builds a complete 
-framework-based Python out-of-tree, installs it in a funny place with 
-$DESTROOT, massages that installation to remove .pyc files and such, creates 
-an Installer package from the installation plus other files in ``resources`` 
+The ``build-install.py`` script creates Python distributions, including
+certain third-party libraries as necessary.  It builds a complete
+framework-based Python out-of-tree, installs it in a funny place with
+$DESTROOT, massages that installation to remove .pyc files and such, creates
+an Installer package from the installation plus other files in ``resources``
 and ``scripts`` and placed that on a ``.dmg`` disk image.
 
-This installers built by this script are legacy bundle installers that have
-been supported from the early days of OS X.  In particular, they are supported
-on OS X 10.3.9, the earliest supported release for builds from this script.
-
-Beginning with Python 3.4.2, PSF practice is to build two installer variants
-using the newer flat package format, supported on 10.5+, and signed with the
-builder's Apple developer key, allowing downloaded packages to satisfy Apple's
-default Gatekeeper policy (e.g. starting with 10.8, Apple store downloads and
-Apple developer ID signed apps and installer packages).  The process for
-transforming the output build artifacts into signed flat packages is not
-yet integrated into ``build-installer.py``.  The steps prior to the flat
-package creation are the same as for 3.4.1 below.
+For Python 3.4.0, PSF practice is to build two installer variants
+for each release.
 
 1.  32-bit-only, i386 and PPC universal, capable on running on all machines
     supported by Mac OS X 10.5 through (at least) 10.9::
@@ -31,7 +21,6 @@ package creation are the same as for 3.4.1 below.
 
     - builds the following third-party libraries
 
-        * libcrypto and libssl from OpenSSL 1.0.1 (new, as of 3.4.3)
         * NCurses 5.9 (http://bugs.python.org/issue15037)
         * SQLite 3.8.3.1
         * XZ 5.0.5
@@ -73,7 +62,6 @@ package creation are the same as for 3.4.1 below.
 
     - uses system-supplied versions of third-party libraries
 
-        * libcrypto and libssl from Apple OpenSSL 0.9.8
         * readline module links with Apple BSD editline (libedit)
 
     - requires ActiveState Tcl/Tk 8.5.15.1 (or later) to be installed for building
@@ -102,6 +90,47 @@ package creation are the same as for 3.4.1 below.
           that the Xcode 3 gcc-4.2 compiler has had.
 
 
+*   For Python 2.7.x and 3.2.x, the 32-bit-only installer was configured to
+    support Mac OS X 10.3.9 through (at least) 10.6.  Because it is
+    believed that there are few systems still running OS X 10.3 or 10.4
+    and because it has become increasingly difficult to test and
+    support the differences in these earlier systems, as of Python 3.3.0 the PSF
+    32-bit installer no longer supports them.  For reference in building such
+    an installer yourself, the details are::
+
+        /usr/bin/python build-installer.py \
+            --sdk-path=/Developer/SDKs/MacOSX10.4u.sdk \
+            --universal-archs=32-bit \
+            --dep-target=10.3
+
+    - builds the following third-party libraries
+
+        * Bzip2
+        * NCurses
+        * GNU Readline (GPL)
+        * SQLite 3
+        * XZ
+        * Zlib 1.2.3
+        * Oracle Sleepycat DB 4.8 (Python 2.x only)
+
+    - requires ActiveState ``Tcl/Tk 8.4`` (currently 8.4.20) to be installed for building
+
+    - recommended build environment:
+
+        * Mac OS X 10.5.8 PPC or Intel
+        * Xcode 3.1.4 (or later)
+        * ``MacOSX10.4u`` SDK (later SDKs do not support PPC G3 processors)
+        * ``MACOSX_DEPLOYMENT_TARGET=10.3``
+        * Apple ``gcc-4.0``
+        * system Python 2.5 for documentation build with Sphinx
+
+    - alternate build environments:
+
+        * Mac OS X 10.6.8 with Xcode 3.2.6
+            - need to change ``/System/Library/Frameworks/{Tcl,Tk}.framework/Version/Current`` to ``8.4``
+
+
+
 General Prerequisites
 ---------------------
 
@@ -145,7 +174,7 @@ Here are the steps you need to follow to build a Python installer:
 Building other universal installers
 ...................................
 
-It is also possible to build a 4-way universal installer that runs on 
+It is also possible to build a 4-way universal installer that runs on
 OS X 10.5 Leopard or later::
 
     /usr/bin/python /build-installer.py \
@@ -179,7 +208,7 @@ a PPC G4 system with OS X 10.5 and at least one Intel system running OS X
 
     /usr/local/bin/pythonn.n -m test -w -u all,-largefile
     /usr/local/bin/pythonn.n-32 -m test -w -u all
-    
+
 Certain tests will be skipped and some cause the interpreter to fail
 which will likely generate ``Python quit unexpectedly`` alert messages
 to be generated at several points during a test run.  These are normal
diff --git a/Mac/BuildScript/resources/ReadMe.rtf b/Mac/BuildScript/resources/ReadMe.rtf
index 1bbdc1a..e240448 100644
--- a/Mac/BuildScript/resources/ReadMe.rtf
+++ b/Mac/BuildScript/resources/ReadMe.rtf
@@ -36,119 +36,6 @@ To use IDLE or other programs that use the Tkinter graphical user interface tool
 \i0  for this version of Python and of Mac OS X.\
 
 \b \ul \
-Installing on OS X 10.8 (Mountain Lion) or later systems\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-\cf0 \ulnone [CHANGED for Python 3.4.2]
-\b0 \
-\
-As of Python 3.4.2, installer packages from python.org are now compatible with the Gatekeeper security feature introduced in OS X 10.8.   Downloaded packages can now be directly installed by double-clicking with the default system security settings.  Python.org installer packages for OS X are signed with the Developer ID of the builder, as identified on {\field{\*\fldinst{HYPERLINK "https://www.python.org/downloads/"}}{\fldrslt the download page}} for this release.  To inspect the digital signature of the package, click on the lock icon in the upper right corner of the 
-\i Install Python
-\i0  installer window.  Refer to Apple\'92s support pages for {\field{\*\fldinst{HYPERLINK "http://support.apple.com/kb/ht5290"}}{\fldrslt more information on Gatekeeper}}.\
-\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-
-\b \cf0 \ul Simplified web-based installs\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-\cf0 \ulnone [NEW for Python 3.4.2]
-\b0 \
-\
-With the change to the newer flat format installer package, the download file now has a 
-\f1 .pkg
-\f0  extension as it is no longer necessary to embed the installer within a disk image (
-\f1 .dmg
-\f0 ) container.   If you download the Python installer through a web browser, the OS X installer application may open automatically to allow you to perform the install.  If your browser settings do not allow automatic open, double click on the downloaded installer file.\
-\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-
-\b \cf0 \ul New Installation Options and Defaults\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-\cf0 \ulnone [NEW for Python 3.4.0]
-\b0 \
-\
-The Python installer now includes an option to automatically install or upgrade 
-\f1 pip
-\f0 , a tool for installing and managing Python packages.  This option is enabled by default and no Internet access is required.  If you do not want the installer to do this, select the 
-\i Customize
-\i0  option at the 
-\i Installation Type
-\i0  step and uncheck the 
-\i Install or ugprade pip
-\i0  option.\
-\
-To make it easier to use scripts installed by third-party Python packages, with 
-\f1 pip
-\f0  or by other means, the 
-\i Shell profile updater
-\i0  option is now enabled by default, as has been the case with Python 2.7.x installers. You can also turn this option off by selecting 
-\i Customize
-\i0  and unchecking the 
-\i Shell profile updater
-\i0  option. You can also update your shell profile later by launching the 
-\i Update Shell Profile
-\i0  command found in the 
-\f1 /Applications/Python $VERSION 
-\f0 folder.  You may need to start a new terminal window for the changes to take effect.\
-\
-For other changes in this release, see the Release Notes link for this release at {\field{\*\fldinst{HYPERLINK "https://www.python.org/downloads/"}}{\fldrslt https://www.python.org/downloads/}}.\
-\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-
-\b \cf0 \ul Certificate verification and OpenSSL\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-\cf0 \ulnone [CHANGED for Python 3.4.3]
-\b0 \
-\
-Python 3.4.3 includes a number of network security enhancements that have been approved for inclusion in Python 3.4 maintenance releases.  {\field{\*\fldinst{HYPERLINK "https://www.python.org/dev/peps/pep-0476/"}}{\fldrslt PEP 476}} changes several standard library modules, like 
-\i httplib
-\i0 , 
-\i urllib
-\i0 , and 
-\i xmlrpclib
-\i0 , to by default verify certificates presented by servers over secure (TLS) connections.  The verification is performed by the OpenSSL libraries that Python is linked to.  Prior to 3.4.3, the python.org installers dynamically linked with Apple-supplied OpenSSL libraries shipped with OS X.  OS X provides a multiple level security framework that stores trust certificates in system and user keychains managed by the 
-\i Keychain Access 
-\i0 application and the 
-\i security
-\i0  command line utility.\
-\
-For OS X 10.5, Apple provides 
-\i OpenSSL 0.9.7
-\i0  libraries.  This version of Apple's OpenSSL 
-\b does not
-\b0  use the certificates from the system security framework, even when used on newer versions of OS X.  Instead it consults a traditional OpenSSL concatenated certificate file (
-\i cafile
-\i0 ) or certificate directory (
-\i capath
-\i0 ), located in 
-\f1 /System/Library/OpenSSL
-\f0 .  These directories are typically empty and not managed by OS X; you must manage them yourself or supply your own SSL contexts.  OpenSSL 0.9.7 is obsolete by current security standards, lacking a number of important features found in later versions.  Among the problems this causes is the inability to verify higher-security certificates now used by python.org services, including 
-\i t{\field{\*\fldinst{HYPERLINK "https://pypi.python.org/pypi"}}{\fldrslt he Python Package Index, PyPI}}
-\i0 .  To solve this problem, as of 3.4.3 the 
-\i 10.5+ 32-bit-only python.org variant
-\i0  is linked with a private copy of 
-\i OpenSSL 1.0.1
-\i0 ; it consults the same default certificate directory, 
-\f1 /System/Library/OpenSSL
-\f0 .   As before, it is still necessary to manage certificates yourself when you use this Python variant and, with certificate verification now enabled by default, you may now need to take additional steps to ensure your Python programs have access to CA certificates you trust.  If you use this Python variant to build standalone applications with third-party tools like {\field{\*\fldinst{HYPERLINK "https://pypi.python.org/pypi/py2app/"}}{\fldrslt 
-\f1 py2app}}, you may now need to bundle CA certificates in them or otherwise supply non-default SSL contexts.\
-\
-For OS X 10.6+, Apple also provides 
-\i OpenSSL
-\i0  
-\i 0.9.8 libraries
-\i0 .  Apple's 0.9.8 version includes an important additional feature: if a certificate cannot be verified using the manually administered certificates in 
-\f1 /System/Library/OpenSSL
-\f0 , the certificates managed by the system security framework In the user and system keychains are also consulted (using Apple private APIs).  For this reason, for 3.4.3 the 
-\i 64-bit/32-bit 10.6+ python.org variant
-\i0  continues to be dynamically linked with Apple's OpenSSL 0.9.8 since it was felt that the loss of the system-provided certificates and management tools outweighs the additional security features provided by newer versions of OpenSSL.  This will likely change in future releases of the python.org installers as Apple has deprecated use of the system-supplied OpenSSL libraries.  If you do need features from newer versions of OpenSSL, there are third-party OpenSSL wrapper packages available through 
-\i PyPI
-\i0 .\
-\
-The bundled 
-\f1 pip
-\f0  included with 3.4.3 has its own default certificate store for verifying download connections.\
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural
-
-\b \cf0 \ul \
 Python 3 and Python 2 Co-existence\
 
 \b0 \ulnone \
diff --git a/Mac/BuildScript/resources/Welcome.rtf b/Mac/BuildScript/resources/Welcome.rtf
index 2527787..dfb75d8 100644
--- a/Mac/BuildScript/resources/Welcome.rtf
+++ b/Mac/BuildScript/resources/Welcome.rtf
@@ -1,5 +1,5 @@
 {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160
-\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;\f1\fmodern\fcharset0 CourierNewPSMT;}
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
 {\colortbl;\red255\green255\blue255;}
 \paperw11905\paperh16837\margl1440\margr1440\vieww12200\viewh10880\viewkind0
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640
@@ -17,12 +17,6 @@
 \b0 .\
 \
 
-\b NEW for Python 3.4.3: 
-\b0  3.4.3 includes network security enhancements that may require changes to your Python applications.  See the 
-\f1 ReadMe
-\f0  file and {\field{\*\fldinst{HYPERLINK "https://docs.python.org/3/whatsnew/3.4.html#changed-in-3-4-3"}}{\fldrslt the Python documentation}} for more information.\
-\
-
 \b IMPORTANT:
 \b0  
 \b IDLE
diff --git a/Mac/Makefile.in b/Mac/Makefile.in
index 03ec738..1255b13 100644
--- a/Mac/Makefile.in
+++ b/Mac/Makefile.in
@@ -1,5 +1,5 @@
-# This file can be invoked from the various frameworkinstall... targets in the 
-# main Makefile. The next couple of variables are overridden on the 
+# This file can be invoked from the various frameworkinstall... targets in the
+# main Makefile. The next couple of variables are overridden on the
 # commandline in that case.
 
 VERSION=@VERSION@
@@ -53,7 +53,7 @@ compileall=$(srcdir)/../Lib/compileall.py
 installapps: install_Python install_PythonLauncher install_IDLE
 
 #
-# Install unix tools in /usr/local/bin. These are just aliases for the 
+# Install unix tools in /usr/local/bin. These are just aliases for the
 # actual installation inside the framework.
 #
 installunixtools:
diff --git a/Mac/PythonLauncher/Info.plist.in b/Mac/PythonLauncher/Info.plist.in
index 42846ea..b4ade1d 100644
--- a/Mac/PythonLauncher/Info.plist.in
+++ b/Mac/PythonLauncher/Info.plist.in
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>CFBundleDevelopmentRegion</key>
@@ -38,7 +38,7 @@
 		</dict>
 	</array>
 	<key>CFBundleExecutable</key>
-	<string>PythonLauncher</string>
+	<string>Python Launcher</string>
 	<key>CFBundleGetInfoString</key>
 	<string>%VERSION%, © 2001-2015 Python Software Foundation</string>
 	<key>CFBundleIconFile</key>
diff --git a/Mac/PythonLauncher/Makefile.in b/Mac/PythonLauncher/Makefile.in
index f05efdf..4c05f26 100644
--- a/Mac/PythonLauncher/Makefile.in
+++ b/Mac/PythonLauncher/Makefile.in
@@ -15,12 +15,10 @@ BUILDPYTHON=    $(builddir)/python$(BUILDEXE)
 PYTHONFRAMEWORK=@PYTHONFRAMEWORK@
 
 # Deployment target selected during configure, to be checked
-# by distutils  
+# by distutils
 MACOSX_DEPLOYMENT_TARGET=@CONFIGURE_MACOSX_DEPLOYMENT_TARGET@
 @EXPORT_MACOSX_DEPLOYMENT_TARGET@export MACOSX_DEPLOYMENT_TARGET
 
-BUNDLEBULDER=$(srcdir)/../Tools/bundlebuilder.py
-
 PYTHONAPPSDIR=@FRAMEWORKINSTALLAPPSPREFIX@/$(PYTHONFRAMEWORK) $(VERSION)
 OBJECTS=FileSettings.o MyAppDelegate.o MyDocument.o PreferencesWindowController.o doscript.o main.o
 
@@ -30,10 +28,10 @@ install: Python\ Launcher.app
 	/bin/cp -r "Python Launcher.app" "$(DESTDIR)$(PYTHONAPPSDIR)"
 	touch "$(DESTDIR)$(PYTHONAPPSDIR)/Python Launcher.app"
 
-
 clean:
 	rm -f *.o "Python Launcher"
 	rm -rf "Python Launcher.app"
+	rm -f Info.plist
 
 Python\ Launcher.app:  Info.plist \
 		Python\ Launcher $(srcdir)/../Icons/PythonLauncher.icns \
@@ -41,18 +39,17 @@ Python\ Launcher.app:  Info.plist \
 		$(srcdir)/../Icons/PythonCompiled.icns \
 		$(srcdir)/factorySettings.plist
 	rm -fr "Python Launcher.app"
-	$(RUNSHARED) $(BUILDPYTHON) $(BUNDLEBULDER) \
-		--builddir=. \
-		--name="Python Launcher" \
-		--executable="Python Launcher" \
-		--iconfile=$(srcdir)/../Icons/PythonLauncher.icns \
-		--bundle-id=org.python.PythonLauncher \
-		--resource=$(srcdir)/../Icons/PythonSource.icns \
-		--resource=$(srcdir)/../Icons/PythonCompiled.icns \
-		--resource=$(srcdir)/English.lproj \
-		--resource=$(srcdir)/factorySettings.plist \
-		--plist Info.plist \
-		build
+	mkdir "Python Launcher.app"
+	mkdir "Python Launcher.app/Contents"
+	mkdir "Python Launcher.app/Contents/MacOS"
+	mkdir "Python Launcher.app/Contents/Resources"
+	cp "Python Launcher" "Python Launcher.app/Contents/MacOS"
+	cp Info.plist  "Python Launcher.app/Contents"
+	cp $(srcdir)/../Icons/PythonLauncher.icns  "Python Launcher.app/Contents/Resources"
+	cp $(srcdir)/../Icons/PythonSource.icns  "Python Launcher.app/Contents/Resources"
+	cp $(srcdir)/../Icons/PythonCompiled.icns  "Python Launcher.app/Contents/Resources"
+	cp $(srcdir)/factorySettings.plist  "Python Launcher.app/Contents/Resources"
+	cp -R $(srcdir)/English.lproj "Python Launcher.app/Contents/Resources"
 
 FileSettings.o: $(srcdir)/FileSettings.m
 	$(CC) $(CFLAGS) -o $@ -c $(srcdir)/FileSettings.m
diff --git a/Mac/README b/Mac/README
index 0a313d1..d9622a6 100644
--- a/Mac/README
+++ b/Mac/README
@@ -19,7 +19,7 @@ OS X specific arguments to configure
 
   If this argument is specified the build will create a Python.framework rather
   than a traditional Unix install. See the section
-  _`Building and using a framework-based Python on Mac OS X` for more 
+  _`Building and using a framework-based Python on Mac OS X` for more
   information on frameworks.
 
   If the optional directory argument is specified the framework is installed
@@ -53,7 +53,7 @@ OS X specific arguments to configure
 
 * ``--with-univeral-archs=VALUE``
 
-  Specify the kind of universal binary that should be created. This option is 
+  Specify the kind of universal binary that should be created. This option is
   only valid when ``--enable-universalsdk`` is specified.  The default is
   ``32-bit`` if a building with a SDK that supports PPC, otherwise defaults
   to ``intel``.
@@ -174,14 +174,14 @@ Building and using a framework-based Python on Mac OS X.
 --------------------------------------------------------------------------
 
 The main reason is because you want to create GUI programs in Python. With the
-exception of X11/XDarwin-based GUI toolkits all GUI programs need to be run 
+exception of X11/XDarwin-based GUI toolkits all GUI programs need to be run
 from a Mac OS X application bundle (".app").
 
 While it is technically possible to create a .app without using frameworks you
 will have to do the work yourself if you really want this.
 
 A second reason for using frameworks is that they put Python-related items in
-only two places: "/Library/Framework/Python.framework" and 
+only two places: "/Library/Framework/Python.framework" and
 "/Applications/Python <VERSION>" where ``<VERSION>`` can be e.g. "3.4",
 "2.7", etc.  This simplifies matters for users installing
 Python from a binary distribution if they want to get rid of it again. Moreover,
@@ -228,11 +228,11 @@ in the sequence
  1. ./configure --enable-framework
 
  2. make
- 
+
  3. make install
 
 This sequence will put the framework in ``/Library/Framework/Python.framework``,
-the applications in ``/Applications/Python <VERSION>`` and the unix tools in 
+the applications in ``/Applications/Python <VERSION>`` and the unix tools in
 ``/usr/local/bin``.
 
 Installing in another place, for instance ``$HOME/Library/Frameworks`` if you
@@ -300,7 +300,7 @@ All of this is normally done completely isolated in /tmp/_py, so it does not
 use your normal build directory nor does it install into /.
 
 Because of the way the script locates the files it needs you have to run it
-from within the BuildScript directory. The script accepts a number of 
+from within the BuildScript directory. The script accepts a number of
 command-line arguments, run it with --help for more information.
 
 Configure warnings
diff --git a/Mac/Tools/bundlebuilder.py b/Mac/Tools/bundlebuilder.py
deleted file mode 100755
index f5679d3..0000000
--- a/Mac/Tools/bundlebuilder.py
+++ /dev/null
@@ -1,934 +0,0 @@
-#! /usr/bin/env python
-
-"""\
-bundlebuilder.py -- Tools to assemble MacOS X (application) bundles.
-
-This module contains two classes to build so called "bundles" for
-MacOS X. BundleBuilder is a general tool, AppBuilder is a subclass
-specialized in building application bundles.
-
-[Bundle|App]Builder objects are instantiated with a bunch of keyword
-arguments, and have a build() method that will do all the work. See
-the class doc strings for a description of the constructor arguments.
-
-The module contains a main program that can be used in two ways:
-
-  % python bundlebuilder.py [options] build
-  % python buildapp.py [options] build
-
-Where "buildapp.py" is a user-supplied setup.py-like script following
-this model:
-
-  from bundlebuilder import buildapp
-  buildapp(<lots-of-keyword-args>)
-
-"""
-
-
-__all__ = ["BundleBuilder", "BundleBuilderError", "AppBuilder", "buildapp"]
-
-
-import sys
-import os, errno, shutil
-import imp, marshal
-import re
-from copy import deepcopy
-import getopt
-from plistlib import Plist
-from types import FunctionType as function
-
-class BundleBuilderError(Exception): pass
-
-
-class Defaults:
-
-    """Class attributes that don't start with an underscore and are
-    not functions or classmethods are (deep)copied to self.__dict__.
-    This allows for mutable default values.
-    """
-
-    def __init__(self, **kwargs):
-        defaults = self._getDefaults()
-        defaults.update(kwargs)
-        self.__dict__.update(defaults)
-
-    def _getDefaults(cls):
-        defaults = {}
-        for base in cls.__bases__:
-            if hasattr(base, "_getDefaults"):
-                defaults.update(base._getDefaults())
-        for name, value in list(cls.__dict__.items()):
-            if name[0] != "_" and not isinstance(value,
-                    (function, classmethod)):
-                defaults[name] = deepcopy(value)
-        return defaults
-    _getDefaults = classmethod(_getDefaults)
-
-
-class BundleBuilder(Defaults):
-
-    """BundleBuilder is a barebones class for assembling bundles. It
-    knows nothing about executables or icons, it only copies files
-    and creates the PkgInfo and Info.plist files.
-    """
-
-    # (Note that Defaults.__init__ (deep)copies these values to
-    # instance variables. Mutable defaults are therefore safe.)
-
-    # Name of the bundle, with or without extension.
-    name = None
-
-    # The property list ("plist")
-    plist = Plist(CFBundleDevelopmentRegion = "English",
-                  CFBundleInfoDictionaryVersion = "6.0")
-
-    # The type of the bundle.
-    type = "BNDL"
-    # The creator code of the bundle.
-    creator = None
-
-    # the CFBundleIdentifier (this is used for the preferences file name)
-    bundle_id = None
-
-    # List of files that have to be copied to <bundle>/Contents/Resources.
-    resources = []
-
-    # List of (src, dest) tuples; dest should be a path relative to the bundle
-    # (eg. "Contents/Resources/MyStuff/SomeFile.ext).
-    files = []
-
-    # List of shared libraries (dylibs, Frameworks) to bundle with the app
-    # will be placed in Contents/Frameworks
-    libs = []
-
-    # Directory where the bundle will be assembled.
-    builddir = "build"
-
-    # Make symlinks instead copying files. This is handy during debugging, but
-    # makes the bundle non-distributable.
-    symlink = 0
-
-    # Verbosity level.
-    verbosity = 1
-
-    # Destination root directory
-    destroot = ""
-
-    def setup(self):
-        # XXX rethink self.name munging, this is brittle.
-        self.name, ext = os.path.splitext(self.name)
-        if not ext:
-            ext = ".bundle"
-        bundleextension = ext
-        # misc (derived) attributes
-        self.bundlepath = pathjoin(self.builddir, self.name + bundleextension)
-
-        plist = self.plist
-        plist.CFBundleName = self.name
-        plist.CFBundlePackageType = self.type
-        if self.creator is None:
-            if hasattr(plist, "CFBundleSignature"):
-                self.creator = plist.CFBundleSignature
-            else:
-                self.creator = "????"
-        plist.CFBundleSignature = self.creator
-        if self.bundle_id:
-            plist.CFBundleIdentifier = self.bundle_id
-        elif not hasattr(plist, "CFBundleIdentifier"):
-            plist.CFBundleIdentifier = self.name
-
-    def build(self):
-        """Build the bundle."""
-        builddir = self.builddir
-        if builddir and not os.path.exists(builddir):
-            os.mkdir(builddir)
-        self.message("Building %s" % repr(self.bundlepath), 1)
-        if os.path.exists(self.bundlepath):
-            shutil.rmtree(self.bundlepath)
-        if os.path.exists(self.bundlepath + '~'):
-            shutil.rmtree(self.bundlepath + '~')
-        bp = self.bundlepath
-
-        # Create the app bundle in a temporary location and then
-        # rename the completed bundle. This way the Finder will
-        # never see an incomplete bundle (where it might pick up
-        # and cache the wrong meta data)
-        self.bundlepath = bp + '~'
-        try:
-            os.mkdir(self.bundlepath)
-            self.preProcess()
-            self._copyFiles()
-            self._addMetaFiles()
-            self.postProcess()
-            os.rename(self.bundlepath, bp)
-        finally:
-            self.bundlepath = bp
-        self.message("Done.", 1)
-
-    def preProcess(self):
-        """Hook for subclasses."""
-        pass
-    def postProcess(self):
-        """Hook for subclasses."""
-        pass
-
-    def _addMetaFiles(self):
-        contents = pathjoin(self.bundlepath, "Contents")
-        makedirs(contents)
-        #
-        # Write Contents/PkgInfo
-        assert len(self.type) == len(self.creator) == 4, \
-                "type and creator must be 4-byte strings."
-        pkginfo = pathjoin(contents, "PkgInfo")
-        f = open(pkginfo, "wb")
-        f.write((self.type + self.creator).encode('latin1'))
-        f.close()
-        #
-        # Write Contents/Info.plist
-        infoplist = pathjoin(contents, "Info.plist")
-        self.plist.write(infoplist)
-
-    def _copyFiles(self):
-        files = self.files[:]
-        for path in self.resources:
-            files.append((path, pathjoin("Contents", "Resources",
-                os.path.basename(path))))
-        for path in self.libs:
-            files.append((path, pathjoin("Contents", "Frameworks",
-                os.path.basename(path))))
-        if self.symlink:
-            self.message("Making symbolic links", 1)
-            msg = "Making symlink from"
-        else:
-            self.message("Copying files", 1)
-            msg = "Copying"
-        files.sort()
-        for src, dst in files:
-            if os.path.isdir(src):
-                self.message("%s %s/ to %s/" % (msg, src, dst), 2)
-            else:
-                self.message("%s %s to %s" % (msg, src, dst), 2)
-            dst = pathjoin(self.bundlepath, dst)
-            if self.symlink:
-                symlink(src, dst, mkdirs=1)
-            else:
-                copy(src, dst, mkdirs=1)
-
-    def message(self, msg, level=0):
-        if level <= self.verbosity:
-            indent = ""
-            if level > 1:
-                indent = (level - 1) * "  "
-            sys.stderr.write(indent + msg + "\n")
-
-    def report(self):
-        # XXX something decent
-        pass
-
-
-if __debug__:
-    PYC_EXT = ".pyc"
-else:
-    PYC_EXT = ".pyo"
-
-MAGIC = imp.get_magic()
-USE_ZIPIMPORT = "zipimport" in sys.builtin_module_names
-
-# For standalone apps, we have our own minimal site.py. We don't need
-# all the cruft of the real site.py.
-SITE_PY = """\
-import sys
-if not %(semi_standalone)s:
-    del sys.path[1:]  # sys.path[0] is Contents/Resources/
-"""
-
-if USE_ZIPIMPORT:
-    ZIP_ARCHIVE = "Modules.zip"
-    SITE_PY += "sys.path.append(sys.path[0] + '/%s')\n" % ZIP_ARCHIVE
-    def getPycData(fullname, code, ispkg):
-        if ispkg:
-            fullname += ".__init__"
-        path = fullname.replace(".", os.sep) + PYC_EXT
-        return path, MAGIC + '\0\0\0\0' + marshal.dumps(code)
-
-#
-# Extension modules can't be in the modules zip archive, so a placeholder
-# is added instead, that loads the extension from a specified location.
-#
-EXT_LOADER = """\
-def __load():
-    import imp, sys, os
-    for p in sys.path:
-        path = os.path.join(p, "%(filename)s")
-        if os.path.exists(path):
-            break
-    else:
-        assert 0, "file not found: %(filename)s"
-    mod = imp.load_dynamic("%(name)s", path)
-
-__load()
-del __load
-"""
-
-MAYMISS_MODULES = ['mac', 'nt', 'ntpath', 'dos', 'dospath',
-    'win32api', 'ce', '_winreg', 'nturl2path', 'sitecustomize',
-    'org.python.core', 'riscos', 'riscosenviron', 'riscospath'
-]
-
-STRIP_EXEC = "/usr/bin/strip"
-
-#
-# We're using a stock interpreter to run the app, yet we need
-# a way to pass the Python main program to the interpreter. The
-# bootstrapping script fires up the interpreter with the right
-# arguments. os.execve() is used as OSX doesn't like us to
-# start a real new process. Also, the executable name must match
-# the CFBundleExecutable value in the Info.plist, so we lie
-# deliberately with argv[0]. The actual Python executable is
-# passed in an environment variable so we can "repair"
-# sys.executable later.
-#
-BOOTSTRAP_SCRIPT = """\
-#!%(hashbang)s
-
-import sys, os
-execdir = os.path.dirname(sys.argv[0])
-executable = os.path.join(execdir, "%(executable)s")
-resdir = os.path.join(os.path.dirname(execdir), "Resources")
-libdir = os.path.join(os.path.dirname(execdir), "Frameworks")
-mainprogram = os.path.join(resdir, "%(mainprogram)s")
-
-sys.argv.insert(1, mainprogram)
-if %(standalone)s or %(semi_standalone)s:
-    os.environ["PYTHONPATH"] = resdir
-    if %(standalone)s:
-        os.environ["PYTHONHOME"] = resdir
-else:
-    pypath = os.getenv("PYTHONPATH", "")
-    if pypath:
-        pypath = ":" + pypath
-    os.environ["PYTHONPATH"] = resdir + pypath
-os.environ["PYTHONEXECUTABLE"] = executable
-os.environ["DYLD_LIBRARY_PATH"] = libdir
-os.environ["DYLD_FRAMEWORK_PATH"] = libdir
-os.execve(executable, sys.argv, os.environ)
-"""
-
-
-#
-# Optional wrapper that converts "dropped files" into sys.argv values.
-#
-ARGV_EMULATOR = """\
-import argvemulator, os
-
-argvemulator.ArgvCollector().mainloop()
-execfile(os.path.join(os.path.split(__file__)[0], "%(realmainprogram)s"))
-"""
-
-#
-# When building a standalone app with Python.framework, we need to copy
-# a subset from Python.framework to the bundle. The following list
-# specifies exactly what items we'll copy.
-#
-PYTHONFRAMEWORKGOODIES = [
-    "Python",  # the Python core library
-    "Resources/English.lproj",
-    "Resources/Info.plist",
-    "Resources/version.plist",
-]
-
-def isFramework():
-    return sys.exec_prefix.find("Python.framework") > 0
-
-
-LIB = os.path.join(sys.prefix, "lib", "python" + sys.version[:3])
-SITE_PACKAGES = os.path.join(LIB, "site-packages")
-
-
-class AppBuilder(BundleBuilder):
-
-    # Override type of the bundle.
-    type = "APPL"
-
-    # platform, name of the subfolder of Contents that contains the executable.
-    platform = "MacOS"
-
-    # A Python main program. If this argument is given, the main
-    # executable in the bundle will be a small wrapper that invokes
-    # the main program. (XXX Discuss why.)
-    mainprogram = None
-
-    # The main executable. If a Python main program is specified
-    # the executable will be copied to Resources and be invoked
-    # by the wrapper program mentioned above. Otherwise it will
-    # simply be used as the main executable.
-    executable = None
-
-    # The name of the main nib, for Cocoa apps. *Must* be specified
-    # when building a Cocoa app.
-    nibname = None
-
-    # The name of the icon file to be copied to Resources and used for
-    # the Finder icon.
-    iconfile = None
-
-    # Symlink the executable instead of copying it.
-    symlink_exec = 0
-
-    # If True, build standalone app.
-    standalone = 0
-
-    # If True, build semi-standalone app (only includes third-party modules).
-    semi_standalone = 0
-
-    # If set, use this for #! lines in stead of sys.executable
-    python = None
-
-    # If True, add a real main program that emulates sys.argv before calling
-    # mainprogram
-    argv_emulation = 0
-
-    # The following attributes are only used when building a standalone app.
-
-    # Exclude these modules.
-    excludeModules = []
-
-    # Include these modules.
-    includeModules = []
-
-    # Include these packages.
-    includePackages = []
-
-    # Strip binaries from debug info.
-    strip = 0
-
-    # Found Python modules: [(name, codeobject, ispkg), ...]
-    pymodules = []
-
-    # Modules that modulefinder couldn't find:
-    missingModules = []
-    maybeMissingModules = []
-
-    def setup(self):
-        if ((self.standalone or self.semi_standalone)
-            and self.mainprogram is None):
-            raise BundleBuilderError("must specify 'mainprogram' when "
-                    "building a standalone application.")
-        if self.mainprogram is None and self.executable is None:
-            raise BundleBuilderError("must specify either or both of "
-                    "'executable' and 'mainprogram'")
-
-        self.execdir = pathjoin("Contents", self.platform)
-
-        if self.name is not None:
-            pass
-        elif self.mainprogram is not None:
-            self.name = os.path.splitext(os.path.basename(self.mainprogram))[0]
-        elif executable is not None:
-            self.name = os.path.splitext(os.path.basename(self.executable))[0]
-        if self.name[-4:] != ".app":
-            self.name += ".app"
-
-        if self.executable is None:
-            if not self.standalone and not isFramework():
-                self.symlink_exec = 1
-            if self.python:
-                self.executable = self.python
-            else:
-                self.executable = sys.executable
-
-        if self.nibname:
-            self.plist.NSMainNibFile = self.nibname
-            if not hasattr(self.plist, "NSPrincipalClass"):
-                self.plist.NSPrincipalClass = "NSApplication"
-
-        if self.standalone and isFramework():
-            self.addPythonFramework()
-
-        BundleBuilder.setup(self)
-
-        self.plist.CFBundleExecutable = self.name
-
-        if self.standalone or self.semi_standalone:
-            self.findDependencies()
-
-    def preProcess(self):
-        resdir = "Contents/Resources"
-        if self.executable is not None:
-            if self.mainprogram is None:
-                execname = self.name
-            else:
-                execname = os.path.basename(self.executable)
-            execpath = pathjoin(self.execdir, execname)
-            if not self.symlink_exec:
-                self.files.append((self.destroot + self.executable, execpath))
-            self.execpath = execpath
-
-        if self.mainprogram is not None:
-            mainprogram = os.path.basename(self.mainprogram)
-            self.files.append((self.mainprogram, pathjoin(resdir, mainprogram)))
-            if self.argv_emulation:
-                # Change the main program, and create the helper main program (which
-                # does argv collection and then calls the real main).
-                # Also update the included modules (if we're creating a standalone
-                # program) and the plist
-                realmainprogram = mainprogram
-                mainprogram = '__argvemulator_' + mainprogram
-                resdirpath = pathjoin(self.bundlepath, resdir)
-                mainprogrampath = pathjoin(resdirpath, mainprogram)
-                makedirs(resdirpath)
-                open(mainprogrampath, "w").write(ARGV_EMULATOR % locals())
-                if self.standalone or self.semi_standalone:
-                    self.includeModules.append("argvemulator")
-                    self.includeModules.append("os")
-                if "CFBundleDocumentTypes" not in self.plist:
-                    self.plist["CFBundleDocumentTypes"] = [
-                        { "CFBundleTypeOSTypes" : [
-                            "****",
-                            "fold",
-                            "disk"],
-                          "CFBundleTypeRole": "Viewer"}]
-            # Write bootstrap script
-            executable = os.path.basename(self.executable)
-            execdir = pathjoin(self.bundlepath, self.execdir)
-            bootstrappath = pathjoin(execdir, self.name)
-            makedirs(execdir)
-            if self.standalone or self.semi_standalone:
-                # XXX we're screwed when the end user has deleted
-                # /usr/bin/python
-                hashbang = "/usr/bin/python"
-            elif self.python:
-                hashbang = self.python
-            else:
-                hashbang = os.path.realpath(sys.executable)
-            standalone = self.standalone
-            semi_standalone = self.semi_standalone
-            open(bootstrappath, "w").write(BOOTSTRAP_SCRIPT % locals())
-            os.chmod(bootstrappath, 0o775)
-
-        if self.iconfile is not None:
-            iconbase = os.path.basename(self.iconfile)
-            self.plist.CFBundleIconFile = iconbase
-            self.files.append((self.iconfile, pathjoin(resdir, iconbase)))
-
-    def postProcess(self):
-        if self.standalone or self.semi_standalone:
-            self.addPythonModules()
-        if self.strip and not self.symlink:
-            self.stripBinaries()
-
-        if self.symlink_exec and self.executable:
-            self.message("Symlinking executable %s to %s" % (self.executable,
-                    self.execpath), 2)
-            dst = pathjoin(self.bundlepath, self.execpath)
-            makedirs(os.path.dirname(dst))
-            os.symlink(os.path.abspath(self.executable), dst)
-
-        if self.missingModules or self.maybeMissingModules:
-            self.reportMissing()
-
-    def addPythonFramework(self):
-        # If we're building a standalone app with Python.framework,
-        # include a minimal subset of Python.framework, *unless*
-        # Python.framework was specified manually in self.libs.
-        for lib in self.libs:
-            if os.path.basename(lib) == "Python.framework":
-                # a Python.framework was specified as a library
-                return
-
-        frameworkpath = sys.exec_prefix[:sys.exec_prefix.find(
-            "Python.framework") + len("Python.framework")]
-
-        version = sys.version[:3]
-        frameworkpath = pathjoin(frameworkpath, "Versions", version)
-        destbase = pathjoin("Contents", "Frameworks", "Python.framework",
-                            "Versions", version)
-        for item in PYTHONFRAMEWORKGOODIES:
-            src = pathjoin(frameworkpath, item)
-            dst = pathjoin(destbase, item)
-            self.files.append((src, dst))
-
-    def _getSiteCode(self):
-        return compile(SITE_PY % {"semi_standalone": self.semi_standalone},
-                     "<-bundlebuilder.py->", "exec")
-
-    def addPythonModules(self):
-        self.message("Adding Python modules", 1)
-
-        if USE_ZIPIMPORT:
-            # Create a zip file containing all modules as pyc.
-            import zipfile
-            relpath = pathjoin("Contents", "Resources", ZIP_ARCHIVE)
-            abspath = pathjoin(self.bundlepath, relpath)
-            zf = zipfile.ZipFile(abspath, "w", zipfile.ZIP_DEFLATED)
-            for name, code, ispkg in self.pymodules:
-                self.message("Adding Python module %s" % name, 2)
-                path, pyc = getPycData(name, code, ispkg)
-                zf.writestr(path, pyc)
-            zf.close()
-            # add site.pyc
-            sitepath = pathjoin(self.bundlepath, "Contents", "Resources",
-                    "site" + PYC_EXT)
-            writePyc(self._getSiteCode(), sitepath)
-        else:
-            # Create individual .pyc files.
-            for name, code, ispkg in self.pymodules:
-                if ispkg:
-                    name += ".__init__"
-                path = name.split(".")
-                path = pathjoin("Contents", "Resources", *path) + PYC_EXT
-
-                if ispkg:
-                    self.message("Adding Python package %s" % path, 2)
-                else:
-                    self.message("Adding Python module %s" % path, 2)
-
-                abspath = pathjoin(self.bundlepath, path)
-                makedirs(os.path.dirname(abspath))
-                writePyc(code, abspath)
-
-    def stripBinaries(self):
-        if not os.path.exists(STRIP_EXEC):
-            self.message("Error: can't strip binaries: no strip program at "
-                "%s" % STRIP_EXEC, 0)
-        else:
-            import stat
-            self.message("Stripping binaries", 1)
-            def walk(top):
-                for name in os.listdir(top):
-                    path = pathjoin(top, name)
-                    if os.path.islink(path):
-                        continue
-                    if os.path.isdir(path):
-                        walk(path)
-                    else:
-                        mod = os.stat(path)[stat.ST_MODE]
-                        if not (mod & 0o100):
-                            continue
-                        relpath = path[len(self.bundlepath):]
-                        self.message("Stripping %s" % relpath, 2)
-                        inf, outf = os.popen4("%s -S \"%s\"" %
-                                              (STRIP_EXEC, path))
-                        output = outf.read().strip()
-                        if output:
-                            # usually not a real problem, like when we're
-                            # trying to strip a script
-                            self.message("Problem stripping %s:" % relpath, 3)
-                            self.message(output, 3)
-            walk(self.bundlepath)
-
-    def findDependencies(self):
-        self.message("Finding module dependencies", 1)
-        import modulefinder
-        mf = modulefinder.ModuleFinder(excludes=self.excludeModules)
-        if USE_ZIPIMPORT:
-            # zipimport imports zlib, must add it manually
-            mf.import_hook("zlib")
-        # manually add our own site.py
-        site = mf.add_module("site")
-        site.__code__ = self._getSiteCode()
-        mf.scan_code(site.__code__, site)
-
-        # warnings.py gets imported implicitly from C
-        mf.import_hook("warnings")
-
-        includeModules = self.includeModules[:]
-        for name in self.includePackages:
-            includeModules.extend(list(findPackageContents(name).keys()))
-        for name in includeModules:
-            try:
-                mf.import_hook(name)
-            except ImportError:
-                self.missingModules.append(name)
-
-        mf.run_script(self.mainprogram)
-        modules = list(mf.modules.items())
-        modules.sort()
-        for name, mod in modules:
-            path = mod.__file__
-            if path and self.semi_standalone:
-                # skip the standard library
-                if path.startswith(LIB) and not path.startswith(SITE_PACKAGES):
-                    continue
-            if path and mod.__code__ is None:
-                # C extension
-                filename = os.path.basename(path)
-                pathitems = name.split(".")[:-1] + [filename]
-                dstpath = pathjoin(*pathitems)
-                if USE_ZIPIMPORT:
-                    if name != "zlib":
-                        # neatly pack all extension modules in a subdirectory,
-                        # except zlib, since it's necessary for bootstrapping.
-                        dstpath = pathjoin("ExtensionModules", dstpath)
-                    # Python modules are stored in a Zip archive, but put
-                    # extensions in Contents/Resources/. Add a tiny "loader"
-                    # program in the Zip archive. Due to Thomas Heller.
-                    source = EXT_LOADER % {"name": name, "filename": dstpath}
-                    code = compile(source, "<dynloader for %s>" % name, "exec")
-                    mod.__code__ = code
-                self.files.append((path, pathjoin("Contents", "Resources", dstpath)))
-            if mod.__code__ is not None:
-                ispkg = mod.__path__ is not None
-                if not USE_ZIPIMPORT or name != "site":
-                    # Our site.py is doing the bootstrapping, so we must
-                    # include a real .pyc file if USE_ZIPIMPORT is True.
-                    self.pymodules.append((name, mod.__code__, ispkg))
-
-        if hasattr(mf, "any_missing_maybe"):
-            missing, maybe = mf.any_missing_maybe()
-        else:
-            missing = mf.any_missing()
-            maybe = []
-        self.missingModules.extend(missing)
-        self.maybeMissingModules.extend(maybe)
-
-    def reportMissing(self):
-        missing = [name for name in self.missingModules
-                if name not in MAYMISS_MODULES]
-        if self.maybeMissingModules:
-            maybe = self.maybeMissingModules
-        else:
-            maybe = [name for name in missing if "." in name]
-            missing = [name for name in missing if "." not in name]
-        missing.sort()
-        maybe.sort()
-        if maybe:
-            self.message("Warning: couldn't find the following submodules:", 1)
-            self.message("    (Note that these could be false alarms -- "
-                         "it's not always", 1)
-            self.message("    possible to distinguish between \"from package "
-                         "import submodule\" ", 1)
-            self.message("    and \"from package import name\")", 1)
-            for name in maybe:
-                self.message("  ? " + name, 1)
-        if missing:
-            self.message("Warning: couldn't find the following modules:", 1)
-            for name in missing:
-                self.message("  ? " + name, 1)
-
-    def report(self):
-        # XXX something decent
-        import pprint
-        pprint.pprint(self.__dict__)
-        if self.standalone or self.semi_standalone:
-            self.reportMissing()
-
-#
-# Utilities.
-#
-
-SUFFIXES = [_suf for _suf, _mode, _tp in imp.get_suffixes()]
-identifierRE = re.compile(r"[_a-zA-z][_a-zA-Z0-9]*$")
-
-def findPackageContents(name, searchpath=None):
-    head = name.split(".")[-1]
-    if identifierRE.match(head) is None:
-        return {}
-    try:
-        fp, path, (ext, mode, tp) = imp.find_module(head, searchpath)
-    except ImportError:
-        return {}
-    modules = {name: None}
-    if tp == imp.PKG_DIRECTORY and path:
-        files = os.listdir(path)
-        for sub in files:
-            sub, ext = os.path.splitext(sub)
-            fullname = name + "." + sub
-            if sub != "__init__" and fullname not in modules:
-                modules.update(findPackageContents(fullname, [path]))
-    return modules
-
-def writePyc(code, path):
-    f = open(path, "wb")
-    f.write(MAGIC)
-    f.write("\0" * 4)  # don't bother about a time stamp
-    marshal.dump(code, f)
-    f.close()
-
-def copy(src, dst, mkdirs=0):
-    """Copy a file or a directory."""
-    if mkdirs:
-        makedirs(os.path.dirname(dst))
-    if os.path.isdir(src):
-        shutil.copytree(src, dst, symlinks=1)
-    else:
-        shutil.copy2(src, dst)
-
-def copytodir(src, dstdir):
-    """Copy a file or a directory to an existing directory."""
-    dst = pathjoin(dstdir, os.path.basename(src))
-    copy(src, dst)
-
-def makedirs(dir):
-    """Make all directories leading up to 'dir' including the leaf
-    directory. Don't moan if any path element already exists."""
-    try:
-        os.makedirs(dir)
-    except OSError as why:
-        if why.errno != errno.EEXIST:
-            raise
-
-def symlink(src, dst, mkdirs=0):
-    """Copy a file or a directory."""
-    if not os.path.exists(src):
-        raise IOError("No such file or directory: '%s'" % src)
-    if mkdirs:
-        makedirs(os.path.dirname(dst))
-    os.symlink(os.path.abspath(src), dst)
-
-def pathjoin(*args):
-    """Safe wrapper for os.path.join: asserts that all but the first
-    argument are relative paths."""
-    for seg in args[1:]:
-        assert seg[0] != "/"
-    return os.path.join(*args)
-
-
-cmdline_doc = """\
-Usage:
-  python bundlebuilder.py [options] command
-  python mybuildscript.py [options] command
-
-Commands:
-  build      build the application
-  report     print a report
-
-Options:
-  -b, --builddir=DIR     the build directory; defaults to "build"
-  -n, --name=NAME        application name
-  -r, --resource=FILE    extra file or folder to be copied to Resources
-  -f, --file=SRC:DST     extra file or folder to be copied into the bundle;
-                         DST must be a path relative to the bundle root
-  -e, --executable=FILE  the executable to be used
-  -m, --mainprogram=FILE the Python main program
-  -a, --argv             add a wrapper main program to create sys.argv
-  -p, --plist=FILE       .plist file (default: generate one)
-      --nib=NAME         main nib name
-  -c, --creator=CCCC     4-char creator code (default: '????')
-      --iconfile=FILE    filename of the icon (an .icns file) to be used
-                         as the Finder icon
-      --bundle-id=ID     the CFBundleIdentifier, in reverse-dns format
-                         (eg. org.python.BuildApplet; this is used for
-                         the preferences file name)
-  -l, --link             symlink files/folder instead of copying them
-      --link-exec        symlink the executable instead of copying it
-      --standalone       build a standalone application, which is fully
-                         independent of a Python installation
-      --semi-standalone  build a standalone application, which depends on
-                         an installed Python, yet includes all third-party
-                         modules.
-      --python=FILE      Python to use in #! line in stead of current Python
-      --lib=FILE         shared library or framework to be copied into
-                         the bundle
-  -x, --exclude=MODULE   exclude module (with --(semi-)standalone)
-  -i, --include=MODULE   include module (with --(semi-)standalone)
-      --package=PACKAGE  include a whole package (with --(semi-)standalone)
-      --strip            strip binaries (remove debug info)
-  -v, --verbose          increase verbosity level
-  -q, --quiet            decrease verbosity level
-  -h, --help             print this message
-"""
-
-def usage(msg=None):
-    if msg:
-        print(msg)
-    print(cmdline_doc)
-    sys.exit(1)
-
-def main(builder=None):
-    if builder is None:
-        builder = AppBuilder(verbosity=1)
-
-    shortopts = "b:n:r:f:e:m:c:p:lx:i:hvqa"
-    longopts = ("builddir=", "name=", "resource=", "file=", "executable=",
-        "mainprogram=", "creator=", "nib=", "plist=", "link",
-        "link-exec", "help", "verbose", "quiet", "argv", "standalone",
-        "exclude=", "include=", "package=", "strip", "iconfile=",
-        "lib=", "python=", "semi-standalone", "bundle-id=", "destroot=")
-
-    try:
-        options, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
-    except getopt.error:
-        usage()
-
-    for opt, arg in options:
-        if opt in ('-b', '--builddir'):
-            builder.builddir = arg
-        elif opt in ('-n', '--name'):
-            builder.name = arg
-        elif opt in ('-r', '--resource'):
-            builder.resources.append(os.path.normpath(arg))
-        elif opt in ('-f', '--file'):
-            srcdst = arg.split(':')
-            if len(srcdst) != 2:
-                usage("-f or --file argument must be two paths, "
-                      "separated by a colon")
-            builder.files.append(srcdst)
-        elif opt in ('-e', '--executable'):
-            builder.executable = arg
-        elif opt in ('-m', '--mainprogram'):
-            builder.mainprogram = arg
-        elif opt in ('-a', '--argv'):
-            builder.argv_emulation = 1
-        elif opt in ('-c', '--creator'):
-            builder.creator = arg
-        elif opt == '--bundle-id':
-            builder.bundle_id = arg
-        elif opt == '--iconfile':
-            builder.iconfile = arg
-        elif opt == "--lib":
-            builder.libs.append(os.path.normpath(arg))
-        elif opt == "--nib":
-            builder.nibname = arg
-        elif opt in ('-p', '--plist'):
-            builder.plist = Plist.fromFile(arg)
-        elif opt in ('-l', '--link'):
-            builder.symlink = 1
-        elif opt == '--link-exec':
-            builder.symlink_exec = 1
-        elif opt in ('-h', '--help'):
-            usage()
-        elif opt in ('-v', '--verbose'):
-            builder.verbosity += 1
-        elif opt in ('-q', '--quiet'):
-            builder.verbosity -= 1
-        elif opt == '--standalone':
-            builder.standalone = 1
-        elif opt == '--semi-standalone':
-            builder.semi_standalone = 1
-        elif opt == '--python':
-            builder.python = arg
-        elif opt in ('-x', '--exclude'):
-            builder.excludeModules.append(arg)
-        elif opt in ('-i', '--include'):
-            builder.includeModules.append(arg)
-        elif opt == '--package':
-            builder.includePackages.append(arg)
-        elif opt == '--strip':
-            builder.strip = 1
-        elif opt == '--destroot':
-            builder.destroot = arg
-
-    if len(args) != 1:
-        usage("Must specify one command ('build', 'report' or 'help')")
-    command = args[0]
-
-    if command == "build":
-        builder.setup()
-        builder.build()
-    elif command == "report":
-        builder.setup()
-        builder.report()
-    elif command == "help":
-        usage()
-    else:
-        usage("Unknown command '%s'" % command)
-
-
-def buildapp(**kwargs):
-    builder = AppBuilder(**kwargs)
-    main(builder)
-
-
-if __name__ == "__main__":
-    main()
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 3fadcfd..b78bcf1 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -328,6 +328,13 @@ PGENSRCS=	$(PSRCS) $(PGSRCS)
 PGENOBJS=	$(POBJS) $(PGOBJS)
 
 ##########################################################################
+# opcode.h generation
+OPCODE_H_DIR= 	$(srcdir)/Include
+OPCODE_H_SCRIPT= $(srcdir)/Tools/scripts/generate_opcode_h.py
+OPCODE_H=	$(OPCODE_H_DIR)/opcode.h
+OPCODE_H_GEN=	@OPCODEHGEN@  $(OPCODE_H_SCRIPT) $(srcdir)/Lib/opcode.py $(OPCODE_H)
+#
+##########################################################################
 # AST
 AST_H_DIR=	Include
 AST_H=		$(AST_H_DIR)/Python-ast.h
@@ -382,6 +389,7 @@ PYTHON_OBJS=	\
 		Python/pyctype.o \
 		Python/pyfpe.o \
 		Python/pyhash.o \
+		Python/pylifecycle.o \
 		Python/pymath.o \
 		Python/pystate.o \
 		Python/pythonrun.o \
@@ -465,7 +473,7 @@ LIBRARY_OBJS=	\
 
 # Default target
 all:		build_all
-build_all:	$(BUILDPYTHON) oldsharedmods sharedmods gdbhooks Modules/_testembed python-config
+build_all:	$(BUILDPYTHON) oldsharedmods sharedmods gdbhooks Programs/_testembed python-config
 
 # Compile a binary with gcc profile guided optimization.
 profile-opt:
@@ -538,8 +546,8 @@ clinic: $(BUILDPYTHON)
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) ./Tools/clinic/clinic.py --make
 
 # Build the interpreter
-$(BUILDPYTHON):	Modules/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY)
-	$(LINKCC) $(PY_LDFLAGS) $(LINKFORSHARED) -o $@ Modules/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+$(BUILDPYTHON):	Programs/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY)
+	$(LINKCC) $(PY_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
 
 platform: $(BUILDPYTHON) pybuilddir.txt
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print(get_platform()+"-"+sys.version[0:3])' >platform
@@ -674,18 +682,19 @@ Modules/Setup: $(srcdir)/Modules/Setup.dist
 		echo "-----------------------------------------------"; \
 	fi
 
-Modules/_testembed: Modules/_testembed.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY)
-	$(LINKCC) $(PY_LDFLAGS) $(LINKFORSHARED) -o $@ Modules/_testembed.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+Programs/_testembed: Programs/_testembed.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY)
+	$(LINKCC) $(PY_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/_testembed.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
 
 ############################################################################
 # Importlib
 
-Modules/_freeze_importlib: Modules/_freeze_importlib.o $(LIBRARY_OBJS_OMIT_FROZEN)
-	$(LINKCC) $(PY_LDFLAGS) -o $@ Modules/_freeze_importlib.o $(LIBRARY_OBJS_OMIT_FROZEN) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+Programs/_freeze_importlib.o: Programs/_freeze_importlib.c Makefile
 
-Python/importlib.h: $(srcdir)/Lib/importlib/_bootstrap.py Modules/_freeze_importlib.c
-	$(MAKE) Modules/_freeze_importlib
-	./Modules/_freeze_importlib \
+Programs/_freeze_importlib: Programs/_freeze_importlib.o $(LIBRARY_OBJS_OMIT_FROZEN)
+	$(LINKCC) $(PY_LDFLAGS) -o $@ Programs/_freeze_importlib.o $(LIBRARY_OBJS_OMIT_FROZEN) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+
+Python/importlib.h: $(srcdir)/Lib/importlib/_bootstrap.py Programs/_freeze_importlib
+	./Programs/_freeze_importlib \
 		$(srcdir)/Lib/importlib/_bootstrap.py Python/importlib.h
 
 
@@ -713,11 +722,11 @@ Modules/getpath.o: $(srcdir)/Modules/getpath.c Makefile
 		-DVPATH='"$(VPATH)"' \
 		-o $@ $(srcdir)/Modules/getpath.c
 
-Modules/python.o: $(srcdir)/Modules/python.c
-	$(MAINCC) -c $(PY_CORE_CFLAGS) -o $@ $(srcdir)/Modules/python.c
+Programs/python.o: $(srcdir)/Programs/python.c
+	$(MAINCC) -c $(PY_CORE_CFLAGS) -o $@ $(srcdir)/Programs/python.c
 
-Modules/_testembed.o: $(srcdir)/Modules/_testembed.c
-	$(MAINCC) -c $(PY_CORE_CFLAGS) -o $@ $(srcdir)/Modules/_testembed.c
+Programs/_testembed.o: $(srcdir)/Programs/_testembed.c
+	$(MAINCC) -c $(PY_CORE_CFLAGS) -o $@ $(srcdir)/Programs/_testembed.c
 
 Modules/_sre.o: $(srcdir)/Modules/_sre.c $(srcdir)/Modules/sre.h $(srcdir)/Modules/sre_constants.h $(srcdir)/Modules/sre_lib.h
 
@@ -746,15 +755,13 @@ Python/sysmodule.o: $(srcdir)/Python/sysmodule.c Makefile
 
 $(IO_OBJS): $(IO_H)
 
-$(GRAMMAR_H): $(GRAMMAR_INPUT) $(PGENSRCS)
+$(GRAMMAR_H): $(GRAMMAR_INPUT) $(PGEN)
 		@$(MKDIR_P) Include
-		$(MAKE) $(PGEN)
 		$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
-$(GRAMMAR_C): $(GRAMMAR_H) $(GRAMMAR_INPUT) $(PGENSRCS)
-		$(MAKE) $(GRAMMAR_H)
+$(GRAMMAR_C): $(GRAMMAR_H)
 		touch $(GRAMMAR_C)
 
-$(PGEN):	$(PGENOBJS)
+$(PGEN): $(PGENOBJS)
 		$(CC) $(OPT) $(PY_LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN)
 
 Parser/grammar.o:	$(srcdir)/Parser/grammar.c \
@@ -776,6 +783,9 @@ $(AST_C): $(AST_H) $(AST_ASDL) $(ASDLGEN_FILES)
 	$(MKDIR_P) $(AST_C_DIR)
 	$(ASDLGEN) -c $(AST_C_DIR) $(AST_ASDL)
 
+$(OPCODE_H): $(srcdir)/Lib/opcode.py $(OPCODE_H_SCRIPT)
+	$(OPCODE_H_GEN)
+
 Python/compile.o Python/symtable.o Python/ast.o: $(GRAMMAR_H) $(AST_H)
 
 Python/getplatform.o: $(srcdir)/Python/getplatform.c
@@ -887,7 +897,7 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/node.h \
 		$(srcdir)/Include/object.h \
 		$(srcdir)/Include/objimpl.h \
-		$(srcdir)/Include/opcode.h \
+		$(OPCODE_H) \
 		$(srcdir)/Include/osdefs.h \
 		$(srcdir)/Include/patchlevel.h \
 		$(srcdir)/Include/pgen.h \
@@ -900,6 +910,7 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/pyerrors.h \
 		$(srcdir)/Include/pyfpe.h \
 		$(srcdir)/Include/pyhash.h \
+		$(srcdir)/Include/pylifecycle.h \
 		$(srcdir)/Include/pymath.h \
 		$(srcdir)/Include/pygetopt.h \
 		$(srcdir)/Include/pymacro.h \
@@ -928,7 +939,7 @@ PYTHON_HEADERS= \
 		$(PARSER_HEADERS) \
 		$(AST_H)
 
-$(LIBRARY_OBJS) $(MODOBJS) Modules/python.o: $(PYTHON_HEADERS)
+$(LIBRARY_OBJS) $(MODOBJS) Programs/python.o: $(PYTHON_HEADERS)
 
 
 ######################################################################
@@ -1132,9 +1143,14 @@ LIBSUBDIRS=	tkinter tkinter/test tkinter/test/test_tkinter \
 		test/audiodata \
 		test/capath test/data \
 		test/cjkencodings test/decimaltestdata test/xmltestdata \
+		test/eintrdata \
 		test/imghdrdata \
 		test/subprocessdata test/sndhdrdata test/support \
 		test/tracedmodules test/encoded_modules \
+		test/test_import \
+		test/test_import/data \
+		test/test_import/data/circular_imports \
+		test/test_import/data/circular_imports/subpkg \
 		test/test_importlib/namespace_pkgs \
 		test/test_importlib/namespace_pkgs/both_portions \
 		test/test_importlib/namespace_pkgs/both_portions/foo \
@@ -1247,7 +1263,12 @@ libinstall:	build_all $(srcdir)/Lib/$(PLATDIR) $(srcdir)/Modules/xxmodule.c
 		-d $(LIBDEST) -f \
 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
 		$(DESTDIR)$(LIBDEST)
-	-PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+		$(PYTHON_FOR_BUILD) -Wi -OO $(DESTDIR)$(LIBDEST)/compileall.py \
+		-d $(LIBDEST) -f \
+		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+		$(DESTDIR)$(LIBDEST)
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST)/site-packages -f \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
@@ -1256,6 +1277,10 @@ libinstall:	build_all $(srcdir)/Lib/$(PLATDIR) $(srcdir)/Modules/xxmodule.c
 		-d $(LIBDEST)/site-packages -f \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+		$(PYTHON_FOR_BUILD) -Wi -OO $(DESTDIR)$(LIBDEST)/compileall.py \
+		-d $(LIBDEST)/site-packages -f \
+		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/Grammar.txt
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/PatternGrammar.txt
@@ -1338,7 +1363,7 @@ libainstall:	all python-config
 		fi; \
 	fi
 	$(INSTALL_DATA) Modules/config.c $(DESTDIR)$(LIBPL)/config.c
-	$(INSTALL_DATA) Modules/python.o $(DESTDIR)$(LIBPL)/python.o
+	$(INSTALL_DATA) Programs/python.o $(DESTDIR)$(LIBPL)/python.o
 	$(INSTALL_DATA) $(srcdir)/Modules/config.c.in $(DESTDIR)$(LIBPL)/config.c.in
 	$(INSTALL_DATA) Makefile $(DESTDIR)$(LIBPL)/Makefile
 	$(INSTALL_DATA) Modules/Setup $(DESTDIR)$(LIBPL)/Setup
@@ -1349,10 +1374,10 @@ libainstall:	all python-config
 	$(INSTALL_SCRIPT) $(srcdir)/install-sh $(DESTDIR)$(LIBPL)/install-sh
 	$(INSTALL_SCRIPT) python-config.py $(DESTDIR)$(LIBPL)/python-config.py
 	$(INSTALL_SCRIPT) python-config $(DESTDIR)$(BINDIR)/python$(LDVERSION)-config
-	@if [ -s Modules/python.exp -a \
+	@if [ -s Programs/python.exp -a \
 		"`echo $(MACHDEP) | sed 's/^\(...\).*/\1/'`" = "aix" ]; then \
 		echo; echo "Installing support files for building shared extension modules on AIX:"; \
-		$(INSTALL_DATA) Modules/python.exp		\
+		$(INSTALL_DATA) Programs/python.exp		\
 				$(DESTDIR)$(LIBPL)/python.exp;		\
 		echo; echo "$(LIBPL)/python.exp";		\
 		$(INSTALL_SCRIPT) $(srcdir)/Modules/makexp_aix	\
@@ -1535,7 +1560,7 @@ clean: pycremoval
 	find build -name '*.py[co]' -exec rm -f {} ';' || true
 	-rm -f pybuilddir.txt
 	-rm -f Lib/lib2to3/*Grammar*.pickle
-	-rm -f Modules/_testembed Modules/_freeze_importlib
+	-rm -f Programs/_testembed Programs/_freeze_importlib
 
 profile-removal:
 	find . -name '*.gc??' -exec rm -f {} ';'
@@ -1559,7 +1584,7 @@ distclean: clobber
 	done
 	-rm -f core Makefile Makefile.pre config.status \
 		Modules/Setup Modules/Setup.local Modules/Setup.config \
-		Modules/ld_so_aix Modules/python.exp Misc/python.pc
+		Modules/ld_so_aix Programs/python.exp Misc/python.pc
 	-rm -f python*-gdb.py
 	find $(srcdir)/[a-zA-Z]* '(' -name '*.fdc' -o -name '*~' \
 				     -o -name '[@,#]*' -o -name '*.old' \
@@ -1606,7 +1631,7 @@ funny:
 		-o -print
 
 # Perform some verification checks on any modified files.
-patchcheck:
+patchcheck: all
 	$(RUNSHARED) ./$(BUILDPYTHON) $(srcdir)/Tools/scripts/patchcheck.py
 
 # Dependencies
diff --git a/Misc/ACKS b/Misc/ACKS
index 7de6de6..0a04a07 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -46,6 +46,7 @@ Pehr Anderson
 Erik Andersén
 Oliver Andrich
 Ross Andrus
+Fabrice Aneche
 Juancarlo Añez
 Chris Angelico
 Jérémy Anger
@@ -71,6 +72,7 @@ Dwayne Bailey
 Stig Bakken
 Greg Ball
 Luigi Ballabio
+Thomas Ballinger
 Jeff Balogh
 Manuel Balsera
 Matt Bandy
@@ -89,6 +91,7 @@ Richard Barran
 Cesar Eduardo Barros
 Des Barry
 Ulf Bartelt
+Campbell Barton
 Don Bashford
 Pior Bastida
 Nick Bastin
@@ -100,6 +103,7 @@ Mike Bayer
 Samuel L. Bayer
 Donald Beaudry
 David Beazley
+Ingolf Becker
 Neal Becker
 Robin Becker
 Torsten Becker
@@ -151,6 +155,7 @@ Wouter Bolsterlee
 Gawain Bolton
 Forest Bond
 Gregory Bond
+Médéric Boquien
 Matias Bordese
 Jonas Borgström
 Jurjen Bos
@@ -230,10 +235,12 @@ Pascal Chambon
 John Chandler
 Hye-Shik Chang
 Jeffrey Chang
+Gavin Chappell
 Godefroid Chapelle
 Brad Chapman
 Greg Chapman
 Mitch Chapman
+Matt Chaput
 Yogesh Chaudhari
 David Chaum
 Nicolas Chauvat
@@ -473,6 +480,7 @@ Stephen M. Gava
 Xavier de Gaye
 Harry Henry Gebel
 Marius Gedminas
+Jan-Philip Gehrcke
 Thomas Gellekum
 Gabriel Genellina
 Christos Georgiou
@@ -499,6 +507,7 @@ Shelley Gooch
 David Goodger
 Hans de Graaff
 Tim Graham
+Kim Gräsman
 Nathaniel Gray
 Eddy De Greef
 Grant Griffin
@@ -572,6 +581,7 @@ Kevan Heydon
 Wouter van Heyst
 Kelsey Hightower
 Jason Hildebrand
+Aaron Hill
 Richie Hindle
 Konrad Hinsen
 David Hobley
@@ -606,6 +616,7 @@ Alan Hourihane
 Ken Howard
 Brad Howes
 Mike Hoy
+Ben Hoyt
 Chih-Hao Huang
 Christian Hudon
 Lawrence Hudson
@@ -625,6 +636,7 @@ Ali Ikinci
 Aaron Iles
 Lars Immisch
 Bobby Impollonia
+Naoki Inada
 Meador Inge
 Peter Ingebretson
 Tony Ingraldi
@@ -649,11 +661,13 @@ Juhana Jauhiainen
 Rajagopalasarma Jayakrishnan
 Zbigniew Jędrzejewski-Szmek
 Julien Jehannet
+Muhammad Jehanzeb
 Drew Jenkins
 Flemming Kjær Jensen
 Philip H. Jensen
 Philip Jenvey
 MunSic Jeong
+Joe Jevnik
 Chris Jerdonek
 Jim Jewett
 Pedro Diaz Jimenez
@@ -668,6 +682,7 @@ Thomas Jollans
 Nicolas Joly
 Brian K. Jones
 Evan Jones
+Glenn Jones
 Jeremy Jones
 Richard Jones
 Irmen de Jong
@@ -690,12 +705,14 @@ Peter van Kampen
 Jan Kanis
 Rafe Kaplan
 Jacob Kaplan-Moss
+Allison Kaptur
 Janne Karila
 Per Øyvind Karlsen
 Anton Kasyanov
 Lou Kates
 Makoto Kato
 Hiroaki Kawai
+Brian Kearns
 Sebastien Keim
 Ryan Kelly
 Dan Kenigsberg
@@ -706,11 +723,13 @@ Magnus Kessler
 Lawrence Kesteloot
 Vivek Khera
 Dhiru Kholia
+Akshit Khurana
 Mads Kiilerich
 Jason Killen
 Jan Kim
 Taek Joo Kim
 Sam Kimbrel
+James King
 W. Trevor King
 Paul Kippes
 Steve Kirsch
@@ -781,6 +800,7 @@ Ben Laurie
 Simon Law
 Julia Lawall
 Chris Lawrence
+Mark Lawrence
 Brian Leair
 Mathieu Leduc-Hamel
 Amandine Lee
@@ -818,6 +838,7 @@ Ross Light
 Shawn Ligocki
 Martin Ligr
 Gediminas Liktaras
+Vitor de Lima
 Grant Limberg
 Christopher Lindblad
 Ulf A. Lindgren
@@ -834,6 +855,7 @@ Anne Lord
 Tom Loredo
 Justin Love
 Ned Jackson Lovely
+Chalmer Lowe
 Jason Lowe
 Tony Lownds
 Ray Loyzaga
@@ -887,9 +909,11 @@ Madison May
 Lucas Maystre
 Arnaud Mazin
 Matt McClure
+Jack McCracken
 Rebecca McCreary
 Kirk McDonald
 Chris McDonough
+Michael McFadden
 Greg McFarlane
 Alan McIntyre
 Jessica McKellar
@@ -993,6 +1017,7 @@ Nigel O'Brian
 John O'Connor
 Kevin O'Connor
 Tim O'Malley
+Dan O'Reilly
 Zooko O'Whielacronx
 Aaron Oakley
 James Oakley
@@ -1032,6 +1057,7 @@ Peter Parente
 Alexandre Parenteau
 Dan Parisien
 William Park
+Claude Paroz
 Heikki Partanen
 Harri Pasanen
 Gaël Pasgrimaud
@@ -1106,6 +1132,7 @@ Thomas Rachel
 Ram Rachum
 Jérôme Radix
 Burton Radons
+Shorya Raj
 Jeff Ramnani
 Brodie Rao
 Senko Rasic
@@ -1147,6 +1174,7 @@ Juan M. Bello Rivas
 Davide Rizzo
 Anthony Roach
 Carl Robben
+Ben Roberts
 Mark Roberts
 Andy Robinson
 Jim Robinson
@@ -1162,12 +1190,14 @@ Armin Ronacher
 Case Roole
 Timothy Roscoe
 Erik Rose
+Josh Rosenberg
 Jim Roskind
 Brian Rosner
 Guido van Rossum
 Just van Rossum
 Hugo van Rossum
 Saskia van Rossum
+Clement Rouault
 Donald Wallace Rouse II
 Liam Routt
 Todd Rovito
@@ -1192,6 +1222,7 @@ Sébastien Sablé
 Suman Saha
 Hajime Saitou
 George Sakkis
+Victor Salgado
 Rich Salz
 Kevin Samborn
 Adrian Sampson
@@ -1292,6 +1323,7 @@ Paul Sokolovsky
 Evgeny Sologubov
 Cody Somerville
 Edoardo Spadolini
+Geoffrey Spear
 Clay Spence
 Stefan Sperling
 Nicholas Spies
@@ -1337,6 +1369,7 @@ Thenault Sylvain
 Péter Szabó
 John Szakmeister
 Amir Szekely
+Maciej Szulik
 Arfrever Frehtes Taifersar Arahesis
 Hideaki Takahashi
 Indra Talip
@@ -1349,6 +1382,7 @@ Steven Taschuk
 Amy Taylor
 Monty Taylor
 Anatoly Techtonik
+Gustavo Temple
 Mikhail Terekhov
 Victor Terrón
 Richard M. Tew
@@ -1381,6 +1415,7 @@ David Townshend
 Nathan Trapuzzano
 Laurence Tratt
 Alberto Trevino
+Mayank Tripathi
 Matthias Troffaes
 Tom Tromey
 John Tromp
@@ -1402,6 +1437,7 @@ Roger Upole
 Daniel Urban
 Michael Urman
 Hector Urtubia
+Lukas Vacek
 Ville Vainio
 Andi Vajda
 Case Van Horsen
@@ -1426,6 +1462,8 @@ Norman Vine
 Pauli Virtanen
 Frank Visser
 Johannes Vogel
+Michael Vogt
+Radu Voicilas
 Alex Volkov
 Martijn Vries
 Sjoerd de Vries
@@ -1448,6 +1486,7 @@ Bob Watson
 David Watson
 Aaron Watters
 Henrik Weber
+Leon Weber
 Corran Webster
 Glyn Webster
 Phil Webster
@@ -1476,6 +1515,7 @@ Sue Williams
 Carol Willing
 Steven Willis
 Frank Willison
+David Wilson
 Geoff Wilson
 Greg V. Wilson
 J Derek Wilson
@@ -1501,6 +1541,7 @@ Gordon Worley
 Darren Worrall
 Thomas Wouters
 Daniel Wozniak
+Wei Wu
 Heiko Wundram
 Doug Wyatt
 Robert Xiao
diff --git a/Misc/HISTORY b/Misc/HISTORY
index f483759..0462f4e 100644
--- a/Misc/HISTORY
+++ b/Misc/HISTORY
@@ -18,13 +18,13 @@ Core and Builtins
 
 - Issue #16046: Fix loading sourceless legacy .pyo files.
 
-- Issue #16060: Fix refcounting bug when __trunc__ returns an object
-  whose __int__ gives a non-integer.  Patch by Serhiy Storchaka.
+- Issue #16060: Fix refcounting bug when `__trunc__()` returns an object whose
+  `__int__()` gives a non-integer.  Patch by Serhiy Storchaka.
 
 Extension Modules
 -----------------
 
-- Issue #16012: Fix a regression in pyexpat. The parser's UseForeignDTD()
+- Issue #16012: Fix a regression in pyexpat. The parser's `UseForeignDTD()`
   method doesn't require an argument again.
 
 
@@ -36,26 +36,26 @@ What's New in Python 3.3.0 Release Candidate 3?
 Core and Builtins
 -----------------
 
-- Issue #15900: Fix reference leak in PyUnicode_TranslateCharmap().
+- Issue #15900: Fix reference leak in `PyUnicode_TranslateCharmap()`.
 
 - Issue #15926: Fix crash after multiple reinitializations of the interpreter.
 
 - Issue #15895: Fix FILE pointer leak in one error branch of
-  PyRun_SimpleFileExFlags() when filename points to a pyc/pyo file, closeit
-  is false an and set_main_loader() fails.
+  `PyRun_SimpleFileExFlags()` when filename points to a pyc/pyo file, closeit is
+  false an and set_main_loader() fails.
 
 - Fixes for a few crash and memory leak regressions found by Coverity.
 
 Library
 -------
 
-- Issue #15882: Change _decimal to accept any coefficient tuple when
-  constructing infinities. This is done for backwards compatibility
-  with decimal.py: Infinity coefficients are undefined in _decimal
-  (in accordance with the specification).
+- Issue #15882: Change `_decimal` to accept any coefficient tuple when
+  constructing infinities. This is done for backwards compatibility with
+  decimal.py: Infinity coefficients are undefined in _decimal (in accordance
+  with the specification).
 
-- Issue #15925: Fix a regression in email.util where the parsedate() and
-  parsedate_tz() functions did not return None anymore when the argument could
+- Issue #15925: Fix a regression in `email.util` where the `parsedate()` and
+  `parsedate_tz()` functions did not return None anymore when the argument could
   not be parsed.
 
 Extension Modules
@@ -67,7 +67,7 @@ Extension Modules
 - Issue #15977: Fix memory leak in Modules/_ssl.c when the function
   _set_npn_protocols() is called multiple times, thanks to Daniel Sommermann.
 
-- Issue #15969: faulthandler module: rename dump_tracebacks_later() to
+- Issue #15969: `faulthandler` module: rename dump_tracebacks_later() to
   dump_traceback_later() and cancel_dump_tracebacks_later() to
   cancel_dump_traceback_later().
 
@@ -83,35 +83,37 @@ Core and Builtins
 -----------------
 
 - Issue #13992: The trashcan mechanism is now thread-safe.  This eliminates
-  sporadic crashes in multi-thread programs when several long deallocator
-  chains ran concurrently and involved subclasses of built-in container
-  types.
+  sporadic crashes in multi-thread programs when several long deallocator chains
+  ran concurrently and involved subclasses of built-in container types.
 
-- Issue #15784: Modify OSError.__str__() to better distinguish between
-  errno error numbers and Windows error numbers.
+- Issue #15784: Modify `OSError`.__str__() to better distinguish between errno
+  error numbers and Windows error numbers.
 
 - Issue #15781: Fix two small race conditions in import's module locking.
 
 Library
 -------
 
-- Issue #15847: Fix a regression in argparse, which did not accept tuples
-  as argument lists anymore.
+- Issue #17158: Add 'symbols' to help() welcome message; clarify
+  'modules spam' messages.
+
+- Issue #15847: Fix a regression in argparse, which did not accept tuples as
+  argument lists anymore.
 
-- Issue #15828: Restore support for C extensions in imp.load_module().
+- Issue #15828: Restore support for C extensions in `imp.load_module()`.
 
-- Issue #15340: Fix importing the random module when /dev/urandom cannot
-  be opened.  This was a regression caused by the hash randomization patch.
+- Issue #15340: Fix importing the random module when ``/dev/urandom`` cannot be
+  opened.  This was a regression caused by the hash randomization patch.
 
-- Issue #10650: Deprecate the watchexp parameter of the Decimal.quantize()
+- Issue #10650: Deprecate the watchexp parameter of the `Decimal.quantize()`
   method.
 
-- Issue #15785: Modify window.get_wch() API of the curses module: return
-  a character for most keys, and an integer for special keys, instead of
-  always returning an integer. So it is now possible to distinguish special
-  keys like keypad keys.
+- Issue #15785: Modify `window.get_wch()` API of the curses module: return a
+  character for most keys, and an integer for special keys, instead of always
+  returning an integer. So it is now possible to distinguish special keys like
+  keypad keys.
 
-- Issue #14223: Fix window.addch() of the curses module for special characters
+- Issue #14223: Fix `window.addch()` of the curses module for special characters
   like curses.ACS_HLINE: the Python function addch(int) and addch(bytes) is now
   calling the C function waddch()/mvwaddch() (as it was done in Python 3.2),
   instead of wadd_wch()/mvwadd_wch(). The Python function addch(str) is still
@@ -127,10 +129,10 @@ Build
 Documentation
 -------------
 
-- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted
-  the hashing of multi-dimensional memorviews and memoryviews with multi-byte
-  item formats. The intended restrictions have now been documented - they
-  will be correctly enforced in 3.3.1
+- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted the
+  hashing of multi-dimensional memorviews and memoryviews with multi-byte item
+  formats. The intended restrictions have now been documented - they will be
+  correctly enforced in 3.3.1.
 
 
 What's New in Python 3.3.0 Release Candidate 1?
@@ -144,131 +146,123 @@ Core and Builtins
 - Issue #15573: memoryview comparisons are now performed by value with full
   support for any valid struct module format definition.
 
-- Issue #15316: When an item in the fromlist for __import__ doesn't exist,
+- Issue #15316: When an item in the fromlist for `__import__()` doesn't exist,
   don't raise an error, but if an exception is raised as part of an import do
   let that propagate.
 
-- Issue #15778: ensure that str(ImportError(msg)) returns a str
-  even when msg isn't a str.
+- Issue #15778: Ensure that ``str(ImportError(msg))`` returns a str even when
+  msg isn't a str.
 
-- Issue #2051: Source file permission bits are once again correctly
-  copied to the cached bytecode file. (The migration to importlib
-  reintroduced this problem because these was no regression test. A test
-  has been added as part of this patch)
+- Issue #2051: Source file permission bits are once again correctly copied to
+  the cached bytecode file. (The migration to importlib reintroduced this
+  problem because these was no regression test. A test has been added as part of
+  this patch)
 
-- Issue #15761: Fix crash when PYTHONEXECUTABLE is set on Mac OS X.
+- Issue #15761: Fix crash when ``PYTHONEXECUTABLE`` is set on Mac OS X.
 
-- Issue #15726: Fix incorrect bounds checking in PyState_FindModule.
-  Patch by Robin Schreiber.
+- Issue #15726: Fix incorrect bounds checking in PyState_FindModule.  Patch by
+  Robin Schreiber.
 
-- Issue #15604: Update uses of PyObject_IsTrue() to check for and handle
+- Issue #15604: Update uses of `PyObject_IsTrue()` to check for and handle
   errors correctly.  Patch by Serhiy Storchaka.
 
-- Issue #14846: importlib.FileFinder now handles the case where the
-  directory being searched is removed after a previous import attempt
+- Issue #14846: `importlib.FileFinder` now handles the case where the directory
+  being searched is removed after a previous import attempt.
 
 Library
 -------
 
-- Issue #13370: Ensure that ctypes works on Mac OS X when Python is
-  compiled using the clang compiler
+- Issue #13370: Ensure that ctypes works on Mac OS X when Python is compiled
+  using the clang compiler.
 
-- Issue #13072: The array module's 'u' format code is now deprecated and
-  will be removed in Python 4.0.
+- Issue #13072: The array module's 'u' format code is now deprecated and will be
+  removed in Python 4.0.
 
 - Issue #15544: Fix Decimal.__float__ to work with payload-carrying NaNs.
 
-- Issue #15249: BytesGenerator now correctly mangles From lines (when
+- Issue #15776: Allow pyvenv to work in existing directory with --clean.
+
+- Issue #15249: email's BytesGenerator now correctly mangles From lines (when
   requested) even if the body contains undecodable bytes.
 
 - Issue #15777: Fix a refleak in _posixsubprocess.
 
-- Issue ##665194: Update email.utils.localtime to use datetime.astimezone and
+- Issue ##665194: Update `email.utils.localtime` to use datetime.astimezone and
   correctly handle historic changes in UTC offsets.
 
 - Issue #15199: Fix JavaScript's default MIME type to application/javascript.
   Patch by Bohuslav Kabrda.
 
-- Issue #12643: code.InteractiveConsole now respects sys.excepthook when
-  displaying exceptions (Patch by Aaron Iles)
-
-- Issue #13579: string.Formatter now understands the 'a' conversion specifier.
+- Issue #12643: `code.InteractiveConsole` now respects `sys.excepthook` when
+  displaying exceptions.  Patch by Aaron Iles.
 
-- Issue #15793: Stack corruption in ssl.RAND_egd().
-  Patch by Serhiy Storchaka.
+- Issue #13579: `string.Formatter` now understands the 'a' conversion specifier.
 
-- Issue #15595: Fix subprocess.Popen(universal_newlines=True)
-  for certain locales (utf-16 and utf-32 family). Patch by Chris Jerdonek.
+- Issue #15595: Fix ``subprocess.Popen(universal_newlines=True)`` for certain
+  locales (utf-16 and utf-32 family). Patch by Chris Jerdonek.
 
 - Issue #15477: In cmath and math modules, add workaround for platforms whose
   system-supplied log1p function doesn't respect signs of zeros.
 
-- Issue #15715: importlib.__import__() will silence an ImportError when the use
-  of fromlist leads to a failed import.
+- Issue #15715: `importlib.__import__()` will silence an ImportError when the
+  use of fromlist leads to a failed import.
 
-- Issue #14669: Fix pickling of connections and sockets on MacOSX
-  by sending/receiving an acknowledgment after file descriptor transfer.
-  TestPicklingConnection has been reenabled for MacOSX.
+- Issue #14669: Fix pickling of connections and sockets on Mac OS X by
+  sending/receiving an acknowledgment after file descriptor transfer.
+  TestPicklingConnection has been reenabled for Mac OS X.
 
 - Issue #11062: Fix adding a message from file to Babyl mailbox.
 
-- Issue #15646: Prevent equivalent of a fork bomb when using
-  multiprocessing on Windows without the "if __name__ == '__main__'"
-  idiom.
+- Issue #15646: Prevent equivalent of a fork bomb when using `multiprocessing`
+  on Windows without the ``if __name__ == '__main__'`` idiom.
 
-- Issue #15678: Fix IDLE menus when started from OS X command line
-  (3.3.0b2 regression).
-
-C API
------
-
-Extension Modules
------------------
+IDLE
+----
 
-Tools/Demos
------------
+- Issue #15678: Fix IDLE menus when started from OS X command line (3.3.0b2
+  regression).
 
 Documentation
 -------------
 
-- Issue #14674: Add a discussion of the json module's standard compliance.
+- Touched up the Python 2 to 3 porting guide.
+
+- Issue #14674: Add a discussion of the `json` module's standard compliance.
   Patch by Chris Rebert.
 
 - Create a 'Concurrent Execution' section in the docs, and split up the
   'Optional Operating System Services' section to use a more user-centric
-  classification scheme (splitting them across the new CE section, IPC and
-  text processing). Operating system limitatons can be reflected with
-  the Sphinx ``:platform:`` tag, it doesn't make sense as part of the Table of
-  Contents.
+  classification scheme (splitting them across the new CE section, IPC and text
+  processing). Operating system limitations can be reflected with the Sphinx
+  ``:platform:`` tag, it doesn't make sense as part of the Table of Contents.
 
-- Issue #4966: Bring the sequence docs up to date for the Py3k transition
-  and the many language enhancements since they were original written
+- Issue #4966: Bring the sequence docs up to date for the Py3k transition and
+  the many language enhancements since they were original written.
 
 - The "path importer" misnomer has been replaced with Eric Snow's
-  more-awkward-but-at-least-not-wrong suggestion of "path based finder" in
-  the import system reference docs
+  more-awkward-but-at-least-not-wrong suggestion of "path based finder" in the
+  import system reference docs.
 
-- Issue #15640: Document importlib.abc.Finder as deprecated.
+- Issue #15640: Document `importlib.abc.Finder` as deprecated.
 
-- Issue #15630: Add an example for "continue" stmt in the tutorial. Patch by
+- Issue #15630: Add an example for "continue" stmt in the tutorial.  Patch by
   Daniel Ellis.
 
 Tests
 -----
 
 - Issue #15747: ZFS always returns EOPNOTSUPP when attempting to set the
-  UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected
-  tests in test_posix.py to account for this.
+  UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected tests in
+  test_posix.py to account for this.
 
-- Issue #15285: Refactor the approach for testing connect timeouts using
-  two external hosts that have been configured specifically for this type
-  of test.
+- Issue #15285: Refactor the approach for testing connect timeouts using two
+  external hosts that have been configured specifically for this type of test.
 
-- Issue #15743: Remove the deprecated method usage in urllib tests. Patch by
+- Issue #15743: Remove the deprecated method usage in `urllib` tests. Patch by
   Jeff Knupp.
 
-- Issue #15615: Add some tests for the json module's handling of invalid
-  input data.  Patch by Kushal Das.
+- Issue #15615: Add some tests for the `json` module's handling of invalid input
+  data.  Patch by Kushal Das.
 
 Build
 -----
@@ -277,11 +271,11 @@ Build
 
 - Pick up 32-bit launcher from PGO directory on 64-bit PGO build.
 
-- Drop PC\python_nt.h as it's not used. Add input dependency on custom
+- Drop ``PC\python_nt.h`` as it's not used.  Add input dependency on custom
   build step.
 
-- Issue #15511: Drop explicit dependency on pythonxy.lib from _decimal
-  amd64 configuration.
+- Issue #15511: Drop explicit dependency on pythonxy.lib from _decimal amd64
+  configuration.
 
 - Add missing PGI/PGO configurations for pywlauncher.
 
@@ -296,15 +290,15 @@ What's New in Python 3.3.0 Beta 2?
 Core and Builtins
 -----------------
 
-- Issue #15568: Fix the return value of "yield from" when StopIteration is
+- Issue #15568: Fix the return value of ``yield from`` when StopIteration is
   raised by a custom iterator.
 
-- Issue #13119: sys.stdout and sys.stderr are now using "\r\n" newline on
+- Issue #13119: `sys.stdout` and `sys.stderr` are now using "\r\n" newline on
   Windows, as Python 2.
 
 - Issue #15534: Fix the fast-search function for non-ASCII Unicode strings.
 
-- Issue #15508: Fix the docstring for __import__ to have the proper default
+- Issue #15508: Fix the docstring for `__import__()` to have the proper default
   value of 0 for 'level' and to not mention negative levels since they are not
   supported.
 
@@ -317,17 +311,17 @@ Core and Builtins
   byte code files) equal between 32-bit and 64-bit systems.
 
 - Issue #1692335: Move initial exception args assignment to
-  "BaseException.__new__" to help pickling of naive subclasses.
+  `BaseException.__new__()` to help pickling of naive subclasses.
 
-- Issue #12834: Fix PyBuffer_ToContiguous() for non-contiguous arrays.
+- Issue #12834: Fix `PyBuffer_ToContiguous()` for non-contiguous arrays.
 
-- Issue #15456: Fix code __sizeof__ after #12399 change.  Patch by Serhiy
+- Issue #15456: Fix code `__sizeof__()` after #12399 change.  Patch by Serhiy
   Storchaka.
 
 - Issue #15404: Refleak in PyMethodObject repr.
 
-- Issue #15394: An issue in PyModule_Create that caused references to be leaked
-  on some error paths has been fixed.  Patch by Julia Lawall.
+- Issue #15394: An issue in `PyModule_Create()` that caused references to be
+  leaked on some error paths has been fixed.  Patch by Julia Lawall.
 
 - Issue #15368: An issue that caused bytecode generation to be non-deterministic
   has been fixed.
@@ -335,7 +329,7 @@ Core and Builtins
 - Issue #15202: Consistently use the name "follow_symlinks" for new parameters
   in os and shutil functions.
 
-- Issue #15314: __main__.__loader__ is now set correctly during interpreter
+- Issue #15314: ``__main__.__loader__`` is now set correctly during interpreter
   startup.
 
 - Issue #15111: When a module imported using 'from import' has an ImportError
@@ -350,57 +344,62 @@ Core and Builtins
 - Issue #15110: Fix the tracebacks generated by "import xxx" to not show the
   importlib stack frames.
 
+- Issue #16369: Global PyTypeObjects not initialized with PyType_Ready(...).
+
 - Issue #15020: The program name used to search for Python's path is now
   "python3" under Unix, not "python".
 
-- Issue #15033: Fix the exit status bug when modules invoked using -m swith,
+- Issue #15897: zipimport.c doesn't check return value of fseek().
+  Patch by Felipe Cruz.
+
+- Issue #15033: Fix the exit status bug when modules invoked using -m switch,
   return the proper failure return value (1). Patch contributed by Jeff Knupp.
 
-- Issue #15229: An OSError subclass whose __init__ doesn't call back
+- Issue #15229: An `OSError` subclass whose __init__ doesn't call back
   OSError.__init__ could produce incomplete instances, leading to crashes when
   calling str() on them.
 
-- Issue 15307: Virtual environments now use symlinks with framework builds on
+- Issue #15307: Virtual environments now use symlinks with framework builds on
   Mac OS X, like other POSIX builds.
 
 Library
 -------
 
-- Issue #15424: Add a __sizeof__ implementation for array objects.  Patch by
+- Issue #14590: configparser now correctly strips inline comments when delimiter
+  occurs earlier without preceding space.
+
+- Issue #15424: Add a `__sizeof__()` implementation for array objects.  Patch by
   Ludwig Hähne.
 
 - Issue #15576: Allow extension modules to act as a package's __init__ module.
 
-- Issue #15502: Have importlib.invalidate_caches() work on sys.meta_path instead
-  of sys.path_importer_cache.
+- Issue #15502: Have `importlib.invalidate_caches()` work on `sys.meta_path`
+  instead of `sys.path_importer_cache`.
 
 - Issue #15163: Pydoc shouldn't list __loader__ as module data.
 
 - Issue #15471: Do not use mutable objects as defaults for
-  importlib.__import__().
+  `importlib.__import__()`.
 
 - Issue #15559: To avoid a problematic failure mode when passed to the bytes
-  constructor, objects in the ipaddress module no longer implement __index__
-  (they still implement __int__ as appropriate)
+  constructor, objects in the ipaddress module no longer implement `__index__()`
+  (they still implement `__int__()` as appropriate).
 
 - Issue #15546: Fix handling of pathological input data in the peek() and
   read1() methods of the BZ2File, GzipFile and LZMAFile classes.
 
-- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog
-  ended with '\'. Patch by Roger Serwy.
-
-- Issue #12655: Instead of requiring a custom type, os.sched_getaffinity and
-  os.sched_setaffinity now use regular sets of integers to represent the CPUs a
-  process is restricted to.
+- Issue #12655: Instead of requiring a custom type, `os.sched_getaffinity()` and
+  `os.sched_setaffinity()` now use regular sets of integers to represent the
+  CPUs a process is restricted to.
 
-- Issue #15538: Fix compilation of the getnameinfo() / getaddrinfo() emulation
-  code.  Patch by Philipp Hagemeister.
+- Issue #15538: Fix compilation of the `socket.getnameinfo()` /
+  `socket.getaddrinfo()` emulation code.  Patch by Philipp Hagemeister.
 
 - Issue #15519: Properly expose WindowsRegistryFinder in importlib (and use the
-  correct term for it). Original patch by Eric Snow.
+  correct term for it).  Original patch by Eric Snow.
 
 - Issue #15502: Bring the importlib ABCs into line with the current state of the
-  import protocols given PEP 420. Original patch by Eric Snow.
+  import protocols given PEP 420.  Original patch by Eric Snow.
 
 - Issue #15499: Launching a webbrowser in Unix used to sleep for a few seconds.
   Original patch by Anton Barkovsky.
@@ -408,37 +407,36 @@ Library
 - Issue #15463: The faulthandler module truncates strings to 500 characters,
   instead of 100, to be able to display long file paths.
 
-- Issue #6056: Make multiprocessing use setblocking(True) on the sockets it
+- Issue #6056: Make `multiprocessing` use setblocking(True) on the sockets it
   uses.  Original patch by J Derek Wilson.
 
 - Issue #15364: Fix sysconfig.get_config_var('srcdir') to be an absolute path.
 
-- Issue #15041: Update "see also" list in tkinter documentation.
-
-- Issue #15413: os.times() had disappeared under Windows.
+- Issue #15413: `os.times()` had disappeared under Windows.
 
-- Issue #15402: An issue in the struct module that caused sys.getsizeof to
+- Issue #15402: An issue in the struct module that caused `sys.getsizeof()` to
   return incorrect results for struct.Struct instances has been fixed.  Initial
   patch by Serhiy Storchaka.
 
-- Issue #15232: When mangle_from is True, email.Generator now correctly mangles
-  lines that start with 'From ' that occur in a MIME preamble or epilogue.
+- Issue #15232: When mangle_from is True, `email.Generator` now correctly
+  mangles lines that start with 'From ' that occur in a MIME preamble or
+  epilogue.
 
 - Issue #15094: Incorrectly placed #endif in _tkinter.c.  Patch by Serhiy
   Storchaka.
 
-- Issue #13922: argparse no longer incorrectly strips '--'s that appear after
+- Issue #13922: `argparse` no longer incorrectly strips '--'s that appear after
   the first one.
 
-- Issue #12353: argparse now correctly handles null argument values.
+- Issue #12353: `argparse` now correctly handles null argument values.
 
 - Issue #10017, issue #14998: Fix TypeError using pprint on dictionaries with
   user-defined types as keys or other unorderable keys.
 
-- Issue #15397: inspect.getmodulename() is now based directly on importlib via a
-  new importlib.machinery.all_suffixes() API.
+- Issue #15397: `inspect.getmodulename()` is now based directly on importlib via
+  a new `importlib.machinery.all_suffixes()` API.
 
-- Issue #14635: telnetlib will use poll() rather than select() when possible to
+- Issue #14635: `telnetlib` will use poll() rather than select() when possible to
   avoid failing due to the select() file descriptor limit.
 
 - Issue #15180: Clarify posixpath.join() error message when mixing str & bytes.
@@ -455,7 +453,7 @@ Library
 - Issue #15233: Python now guarantees that callables registered with the atexit
   module will be called in a deterministic order.
 
-- Issue #15238: shutil.copystat now copies Linux "extended attributes".
+- Issue #15238: `shutil.copystat()` now copies Linux "extended attributes".
 
 - Issue #15230: runpy.run_path now correctly sets __package__ as described in
   the documentation.
@@ -465,42 +463,42 @@ Library
 - Issue #15294: Fix a regression in pkgutil.extend_path()'s handling of nested
   namespace packages.
 
-- Issue #15056: imp.cache_from_source() and source_from_cache() raise
-  NotImplementedError when sys.implementation.cache_tag is set to None.
+- Issue #15056: `imp.cache_from_source()` and `imp.source_from_cache()` raise
+  NotImplementedError when `sys.implementation.cache_tag` is set to None.
 
-- Issue #15256: Grammatical mistake in exception raised by imp.find_module().
+- Issue #15256: Grammatical mistake in exception raised by `imp.find_module()`.
 
-- Issue #5931: wsgiref environ variable SERVER_SOFTWARE will specify an
+- Issue #5931: `wsgiref` environ variable SERVER_SOFTWARE will specify an
   implementation specific term like CPython, Jython instead of generic "Python".
 
 - Issue #13248: Remove obsolete argument "max_buffer_size" of BufferedWriter and
   BufferedRWPair, from the io module.
 
-- Issue #13248: Remove obsolete argument "version" of argparse.ArgumentParser.
+- Issue #13248: Remove obsolete argument "version" of `argparse.ArgumentParser`.
 
 - Issue #14814: Implement more consistent ordering and sorting behaviour for
   ipaddress objects.
 
-- Issue #14814: ipaddress network objects correctly return NotImplemented when
+- Issue #14814: `ipaddress` network objects correctly return NotImplemented when
   compared to arbitrary objects instead of raising TypeError.
 
 - Issue #14990: Correctly fail with SyntaxError on invalid encoding declaration.
 
-- Issue #14814: ipaddress now provides more informative error messages when
+- Issue #14814: `ipaddress` now provides more informative error messages when
   constructing instances directly (changes permitted during beta due to
   provisional API status).
 
-- Issue #15247: FileIO now raises an error when given a file descriptor pointing
-  to a directory.
+- Issue #15247: `io.FileIO` now raises an error when given a file descriptor
+  pointing to a directory.
 
 - Issue #15261: Stop os.stat(fd) crashing on Windows when fd not open.
 
-- Issue #15166: Implement imp.get_tag() using sys.implementation.cache_tag.
+- Issue #15166: Implement `imp.get_tag()` using `sys.implementation.cache_tag`.
 
-- Issue #15210: Catch KeyError when importlib.__init__ can't find
+- Issue #15210: Catch KeyError when `importlib.__init__()` can't find
   _frozen_importlib in sys.modules, not ImportError.
 
-- Issue #15030: importlib.abc.PyPycLoader now supports the new source size
+- Issue #15030: `importlib.abc.PyPycLoader` now supports the new source size
   header field in .pyc files.
 
 - Issue #5346: Preserve permissions of mbox, MMDF and Babyl mailbox files on
@@ -513,7 +511,7 @@ Library
   renamed over the old file when flush() is called on an mbox, MMDF or Babyl
   mailbox.
 
-- Issue 10924: Fixed crypt.mksalt() to use a RNG that is suitable for
+- Issue #10924: Fixed `crypt.mksalt()` to use a RNG that is suitable for
   cryptographic purpose.
 
 - Issue #15184: Ensure consistent results of OS X configuration tailoring for
@@ -524,10 +522,10 @@ Library
 C API
 -----
 
-- Issue #15610: PyImport_ImportModuleEx() now uses a 'level' of 0 instead of -1.
+- Issue #15610: `PyImport_ImportModuleEx()` now uses a 'level' of 0 instead of -1.
 
-- Issues #15169, #14599: Strip out the C implementation of
-  imp.source_from_cache() used by PyImport_ExecCodeModuleWithPathnames() and
+- Issue #15169, issue #14599: Strip out the C implementation of
+  `imp.source_from_cache()` used by PyImport_ExecCodeModuleWithPathnames() and
   used the Python code instead. Leads to PyImport_ExecCodeModuleObject() to not
   try to infer the source path from the bytecode path as
   PyImport_ExecCodeModuleWithPathnames() does.
@@ -535,14 +533,17 @@ C API
 Extension Modules
 -----------------
 
-- Issue #15676: Now "mmap" check for empty files before doing the
-  offset check.  Patch by Steven Willis.
-
-- Issue #6493: An issue in ctypes on Windows that caused structure bitfields
-  of type ctypes.c_uint32 and width 32 to incorrectly be set has been fixed.
+- Issue #6493: An issue in ctypes on Windows that caused structure bitfields of
+  type `ctypes.c_uint32` and width 32 to incorrectly be set has been fixed.
 
 - Issue #15194: Update libffi to the 3.0.11 release.
 
+IDLE
+----
+
+- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog
+  ended with ``\``.  Patch by Roger Serwy.
+
 Tools/Demos
 -----------
 
@@ -562,8 +563,10 @@ Tools/Demos
 Documentation
 -------------
 
-- Issue #15444: Use proper spelling for non-ASCII contributor names.  Patch
-  by Serhiy Storchaka.
+- Issue #15041: Update "see also" list in tkinter documentation.
+
+- Issue #15444: Use proper spelling for non-ASCII contributor names.  Patch by
+  Serhiy Storchaka.
 
 - Issue #15295: Reorganize and rewrite the documentation on the import system.
 
@@ -578,25 +581,29 @@ Documentation
   "changed" since they will no longer work with modules directly imported by
   import itself.
 
-- Issue #13557: Clarify effect of giving two different namespaces to exec or
-  execfile().
+- Issue #13557: Clarify effect of giving two different namespaces to `exec()` or
+  `execfile()`.
 
-- Issue #15250: Document that filecmp.dircmp compares files shallowly. Patch
+- Issue #15250: Document that `filecmp.dircmp()` compares files shallowly. Patch
   contributed by Chris Jerdonek.
 
+- Issue #15442: Expose the default list of directories ignored by
+  `filecmp.dircmp()` as a module attribute, and expand the list to more modern
+  values.
+
 Tests
 -----
 
-- Issue #15467: Move helpers for __sizeof__ tests into test_support.  Patch by
-  Serhiy Storchaka.
+- Issue #15467: Move helpers for `__sizeof__()` tests into test_support.  Patch
+  by Serhiy Storchaka.
 
 - Issue #15320: Make iterating the list of tests thread-safe when running tests
   in multiprocess mode. Patch by Chris Jerdonek.
 
-- Issue #15168: Move importlib.test to test.test_importlib.
+- Issue #15168: Move `importlib.test` to `test.test_importlib`.
 
 - Issue #15091: Reactivate a test on UNIX which was failing thanks to a
-  forgotten importlib.invalidate_caches() call.
+  forgotten `importlib.invalidate_caches()` call.
 
 - Issue #15230: Adopted a more systematic approach in the runpy tests.
 
@@ -629,6 +636,8 @@ Build
 
 - Issue #14018: Fix OS X Tcl/Tk framework checking when using OS X SDKs.
 
+- Issue #16256: OS X installer now sets correct permissions for doc directory.
+
 - Issue #15431: Add _freeze_importlib project to regenerate importlib.h on
   Windows. Patch by Kristján Valur Jónsson.
 
@@ -664,14 +673,9 @@ Core and Builtins
 
 - Issue #11626: Add _SizeT functions to stable ABI.
 
-- Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
-
 - Issue #15142: Fix reference leak when deallocating instances of types
   created using PyType_FromSpec().
 
-- Issue #15042: Add PyState_AddModule and PyState_RemoveModule. Add version
-  guard for Py_LIMITED_API additions. Patch by Robin Schreiber.
-
 - Issue #10053: Don't close FDs when FileIO.__init__ fails. Loosely based on
   the work by Hirokazu Yamamoto.
 
@@ -699,9 +703,6 @@ Core and Builtins
 Library
 -------
 
-- Issue #9803: Don't close IDLE on saving if breakpoint is open.
-  Patch by Roger Serwy.
-
 - Issue #12288: Consider '0' and '0.0' as valid initialvalue
   for tkinter SimpleDialog.
 
@@ -720,14 +721,8 @@ Library
 - Issue #15514: Correct __sizeof__ support for cpu_set.
   Patch by Serhiy Storchaka.
 
-- Issue #15187: Bugfix: remove temporary directories test_shutil was leaving
-  behind.
-
 - Issue #15177: Added dir_fd parameter to os.fwalk().
 
-- Issue #15176: Clarified behavior, documentation, and implementation
-  of os.listdir().
-
 - Issue #15061: Re-implemented hmac.compare_digest() in C to prevent further
   timing analysis and to support all buffer protocol aware objects as well as
   ASCII only str instances safely.
@@ -827,10 +822,6 @@ Library
 - Issue #15006: Allow equality comparison between naive and aware
   time or datetime objects.
 
-- Issue #14982: Document that pkgutil's iteration functions require the
-  non-standard iter_modules() method to be defined by an importer (something
-  the importlib importers do not define).
-
 - Issue #15036: Mailbox no longer throws an error if a flush is done
   between operations when removing or changing multiple items in mbox,
   MMDF, or Babyl mailboxes.
@@ -898,9 +889,6 @@ Library
 
 - Issue #14969: Better handling of exception chaining in contextlib.ExitStack
 
-- Issue #14962: Update text coloring in IDLE shell window after changing
-  options.  Patch by Roger Serwy.
-
 - Issue #14963: Convert contextlib.ExitStack.__exit__ to use an iterative
   algorithm (Patch by Alon Horev)
 
@@ -913,6 +901,11 @@ Library
 C-API
 -----
 
+- Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
+
+- Issue #15042: Add PyState_AddModule and PyState_RemoveModule. Add version
+  guard for Py_LIMITED_API additions. Patch by Robin Schreiber.
+
 - Issue #13783: Inadvertent additions to the public C API in the PEP 380
   implementation have either been removed or marked as private interfaces.
 
@@ -921,9 +914,25 @@ Extension Modules
 
 - Issue #15000: Support the "unique" x32 architecture in _posixsubprocess.c.
 
+IDLE
+----
+
+- Issue #9803: Don't close IDLE on saving if breakpoint is open.
+  Patch by Roger Serwy.
+
+- Issue #14962: Update text coloring in IDLE shell window after changing
+  options.  Patch by Roger Serwy.
+
 Documentation
 -------------
 
+- Issue #15176: Clarified behavior, documentation, and implementation
+  of os.listdir().
+
+- Issue #14982: Document that pkgutil's iteration functions require the
+  non-standard iter_modules() method to be defined by an importer (something
+  the importlib importers do not define).
+
 - Issue #15081: Document PyState_FindModule.
   Patch by Robin Schreiber.
 
@@ -932,6 +941,9 @@ Documentation
 Tests
 -----
 
+- Issue #15187: Bugfix: remove temporary directories test_shutil was leaving
+  behind.
+
 - Issue #14769: test_capi now has SkipitemTest, which cleverly checks
   for "parity" between PyArg_ParseTuple() and the Python/getargs.c static
   function skipitem() for all possible "format units".
@@ -1020,34 +1032,18 @@ Core and Builtins
 - Issue #14700: Fix two broken and undefined-behaviour-inducing overflow checks
   in old-style string formatting.
 
-- Issue #14705: The PyArg_Parse() family of functions now support the 'p' format
-  unit, which accepts a "boolean predicate" argument.  It converts any Python
-  value into an integer--0 if it is "false", and 1 otherwise.
-
 Library
 -------
 
 - Issue #14690: Use monotonic clock instead of system clock in the sched,
   subprocess and trace modules.
 
-- Issue #14958: Change IDLE systax highlighting to recognize all string and
-  byte literals supported in Python 3.3.
-
-- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu.
-
 - Issue #14443: Tell rpmbuild to use the correct version of Python in
   bdist_rpm. Initial patch by Ross Lagerwall.
 
-- Issue #14929: Stop Idle 3.x from closing on Unicode decode errors when
-  grepping. Patch by Roger Serwy.
-
 - Issue #12515: email now registers a defect if it gets to EOF while parsing
   a MIME part without seeing the closing MIME boundary.
 
-- Issue #12510: Attempting to get invalid tooltip no longer closes Idle.
-  Other tooltipss have been corrected or improved and the number of tests
-  has been tripled. Original patch by Roger Serwy.
-
 - Issue #1672568: email now always decodes base64 payloads, adding padding and
   ignoring non-base64-alphabet characters if needed, and registering defects
   for any such problems.
@@ -1081,9 +1077,6 @@ Library
 - Issue #14548: Make multiprocessing finalizers check pid before
   running to cope with possibility of gc running just after fork.
 
-- Issue #14863: Update the documentation of os.fdopen() to reflect the
-  fact that it's only a thin wrapper around open() anymore.
-
 - Issue #14036: Add an additional check to validate that port in urlparse does
   not go in illegal range and returns None.
 
@@ -1210,6 +1203,21 @@ Library
 - Issue #14127 and #10148: shutil.copystat now preserves exact mtime and atime
   on filesystems providing nanosecond resolution.
 
+IDLE
+----
+
+- Issue #14958: Change IDLE systax highlighting to recognize all string and
+  byte literals supported in Python 3.3.
+
+- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu.
+
+- Issue #14929: Stop IDLE 3.x from closing on Unicode decode errors when
+  grepping. Patch by Roger Serwy.
+
+- Issue #12510: Attempting to get invalid tooltip no longer closes IDLE.
+  Other tooltipss have been corrected or improved and the number of tests
+  has been tripled. Original patch by Roger Serwy.
+
 Tools/Demos
 -----------
 
@@ -1228,9 +1236,19 @@ Build
 
 - Issue #13210: Windows build now uses VS2010, ported from VS2008.
 
+C-API
+-----
+
+- Issue #14705: The PyArg_Parse() family of functions now support the 'p' format
+  unit, which accepts a "boolean predicate" argument.  It converts any Python
+  value into an integer--0 if it is "false", and 1 otherwise.
+
 Documentation
 -------------
 
+- Issue #14863: Update the documentation of os.fdopen() to reflect the
+  fact that it's only a thin wrapper around open() anymore.
+
 - Issue #14588: The language reference now accurately documents the Python 3
   class definition process. Patch by Nick Coghlan.
 
@@ -1279,9 +1297,6 @@ Core and Builtins
 - Issue #14339: Speed improvements to bin, oct and hex functions.  Patch by
   Serhiy Storchaka.
 
-- Issue #14098: New functions PyErr_GetExcInfo and PyErr_SetExcInfo.
-  Patch by Stefan Behnel.
-
 - Issue #14385: It is now possible to use a custom type for the __builtins__
   namespace, instead of a dict. It can be used for sandboxing for example.
   Raise also a NameError instead of ImportError if __build_class__ name if not
@@ -1431,12 +1446,6 @@ Library
 
 - Don't Py_DECREF NULL variable in io.IncrementalNewlineDecoder.
 
-- Issue #8515: Set __file__ when run file in IDLE.
-  Initial patch by Bruce Frederiksen.
-
-- Issue #14496: Fix wrong name in idlelib/tabbedpages.py.
-  Patch by Popa Claudiu.
-
 - Issue #3033: Add displayof parameter to tkinter font. Patch by Guilherme Polo.
 
 - Issue #14482: Raise a ValueError, not a NameError, when trying to create
@@ -1472,6 +1481,15 @@ Tests
 - Issue #14355: Regrtest now supports the standard unittest test loading, and
   will use it if a test file contains no `test_main` method.
 
+IDLE
+----
+
+- Issue #8515: Set __file__ when run file in IDLE.
+  Initial patch by Bruce Frederiksen.
+
+- Issue #14496: Fix wrong name in idlelib/tabbedpages.py.
+  Patch by Popa Claudiu.
+
 Tools / Demos
 -------------
 
@@ -1481,6 +1499,12 @@ Tools / Demos
 - Issue #13165: stringbench is now available in the Tools/stringbench folder.
   It used to live in its own SVN project.
 
+C-API
+-----
+
+- Issue #14098: New functions PyErr_GetExcInfo and PyErr_SetExcInfo.
+  Patch by Stefan Behnel.
+
 
 What's New in Python 3.3.0 Alpha 2?
 ===================================
@@ -1532,16 +1556,9 @@ Library
 
 - Issue #5136: deprecate old, unused functions from tkinter.
 
-- Issue #14409: IDLE now properly executes commands in the Shell window
-  when it cannot read the normal config files on startup and
-  has to use the built-in default key bindings.
-  There was previously a bug in one of the defaults.
-
 - Issue #14416: syslog now defines the LOG_ODELAY and LOG_AUTHPRIV constants
   if they are defined in <syslog.h>.
 
-- IDLE can be launched as python -m idlelib
-
 - Issue #14295: Add unittest.mock
 
 - Issue #7652: Add --with-system-libmpdec option to configure for linking
@@ -1567,9 +1584,6 @@ Library
   up the decimal module. Performance gains of the new C implementation are
   between 10x and 100x, depending on the application.
 
-- Issue #3573: IDLE hangs when passing invalid command line args
-  (directory(ies) instead of file(s)) (Patch by Guilherme Polo)
-
 - Issue #14269: SMTPD now conforms to the RFC and requires a HELO command
   before MAIL, RCPT, or DATA.
 
@@ -1601,8 +1615,6 @@ Library
   denial of service due to hash collisions.  Patch by David Malcolm with some
   modifications by the expat project.
 
-- Issue #14200: Idle shell crash on printing non-BMP unicode character.
-
 - Issue #12818: format address no longer needlessly \ escapes ()s in names when
   the name ends up being quoted.
 
@@ -1618,8 +1630,6 @@ Library
 
 - Issue #989712: Support using Tk without a mainloop.
 
-- Issue #5219: Prevent event handler cascade in IDLE.
-
 - Issue #3835: Refuse to use unthreaded Tcl in threaded Python.
 
 - Issue #2843: Add new Tk API to Tkinter.
@@ -1848,10 +1858,6 @@ Core and Builtins
   on POSIX systems supporting anonymous memory mappings.  Patch by
   Charles-François Natali.
 
-- Issue #13452: PyUnicode_EncodeDecimal() doesn't support error handlers
-  different than "strict" anymore. The caller was unable to compute the
-  size of the output buffer: it depends on the error handler.
-
 - PEP 3155 / issue #13448: Qualified name for classes and functions.
 
 - Issue #13436: Fix a bogus error message when an AST object was passed
@@ -1942,10 +1948,6 @@ Core and Builtins
 
 - PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
 
-- Issue #13560: Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize()
-  and PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to
-  the current locale encoding.
-
 - Add internal API for static strings (_Py_identifier et al.).
 
 - Issue #13063: the Windows error ERROR_NO_DATA (numbered 232 and described
@@ -2028,7 +2030,7 @@ Core and Builtins
   deallocator calls one of the methods on the type (e.g. when subclassing
   IOBase).  Diagnosis and patch by Davide Rizzo.
 
-- Issue #9611, #9015: FileIO.read() clamps the length to INT_MAX on Windows.
+- Issue #9611, Issue #9015: FileIO.read() clamps the length to INT_MAX on Windows.
 
 - Issue #9642: Uniformize the tests on the availability of the mbcs codec, add
   a new HAVE_MBCS define.
@@ -2191,17 +2193,11 @@ Core and Builtins
   PyUnicode_AsUTF8String() and PyUnicode_AsEncodedString(unicode, "utf-8",
   NULL).
 
-- Issue #10831: PyUnicode_FromFormat() supports %li, %lli and %zi formats.
-
 - Issue #10829: Refactor PyUnicode_FromFormat(), use the same function to parse
   the format string in the 3 steps, fix crashs on invalid format strings.
 
 - Issue #13007: whichdb should recognize gdbm 1.9 magic numbers.
 
-- Issue #11246: Fix PyUnicode_FromFormat("%V") to decode the byte string from
-  UTF-8 (with replace error handler) instead of ISO-8859-1 (in strict mode).
-  Patch written by Ray Allen.
-
 - Issue #11286: Raise a ValueError from calling PyMemoryView_FromBuffer with
   a buffer struct having a NULL data pointer.
 
@@ -2211,9 +2207,6 @@ Core and Builtins
 - Issue #11828: startswith and endswith now accept None as slice index.
   Patch by Torsten Becker.
 
-- Issue #10830: Fix PyUnicode_FromFormatV("%c") for non-BMP characters on
-  narrow build.
-
 - Issue #11168: Remove filename debug variable from PyEval_EvalFrameEx().
   It encoded the Unicode filename to UTF-8, but the encoding fails on
   undecodable filename (on surrogate characters) which raises an unexpected
@@ -2255,15 +2248,9 @@ Library
   are dead or dying.  Moreover, the implementation is now O(1) rather than
   O(n).
 
-- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode.
-  Patch by Mikhail Novikov.
-
 - Issue #11841: Fix comparison bug with 'rc' versions in packaging.version.
   Patch by Filip Gruszczyński.
 
-- Issue #13447: Add a test file to host regression tests for bugs in the
-  scripts found in the Tools directory.
-
 - Issue #6884: Fix long-standing bugs with MANIFEST.in parsing in distutils
   on Windows.  Also fixed in packaging.
 
@@ -2319,9 +2306,6 @@ Library
   authenticating (since the result may change, according to RFC 4643).
   Patch by Hynek Schlawack.
 
-- Issue #13989: Document that GzipFile does not support text mode, and give a
-  more helpful error message when opened with an invalid mode string.
-
 - Issue #13590: On OS X 10.7 and 10.6 with Xcode 4.2, building
   Distutils-based packages with C extension modules may fail because
   Apple has removed gcc-4.2, the version used to build python.org
@@ -2338,10 +2322,6 @@ Library
 - Issue #13960: HTMLParser is now able to handle broken comments when
   strict=False.
 
-- Issue #13921: Undocument and clean up sqlite3.OptimizedUnicode,
-  which is obsolete in Python 3.x. It's now aliased to str for
-  backwards compatibility.
-
 - When '' is a path (e.g. in sys.path), make sure __file__ uses the current
   working directory instead of '' in importlib.
 
@@ -2363,11 +2343,6 @@ Library
 - Issue #10811: Fix recursive usage of cursors. Instead of crashing,
   raise a ProgrammingError now.
 
-- Issue #10881: Fix test_site failure with OS X framework builds.
-
-- Issue #964437: Make IDLE help window non-modal.
-  Patch by Guilherme Polo and Roger Serwy.
-
 - Issue #13734: Add os.fwalk(), a directory walking function yielding file
   descriptors.
 
@@ -2377,16 +2352,8 @@ Library
 
 - Issue #11805: package_data in setup.cfg should allow more than one value.
 
-- Issue #13933: IDLE auto-complete did not work with some imported
-  module, like hashlib.  (Patch by Roger Serwy)
-
-- Issue #13901: Prevent test_distutils failures on OS X with --enable-shared.
-
 - Issue #13676: Handle strings with embedded zeros correctly in sqlite3.
 
-- Issue #13506: Add '' to path for IDLE Shell when started and restarted with Restart Shell.
-  Original patches by Marco Scataglini and Roger Serwy.
-
 - Issue #8828: Add new function os.replace(), for cross-platform renaming
   with overwriting.
 
@@ -2407,12 +2374,6 @@ Library
   OSError if localtime() failed. time.clock() now raises a RuntimeError if the
   processor time used is not available or its value cannot be represented
 
-- Issue #13862: Fix spurious failure in test_zlib due to runtime/compile time
-  minor versions not matching.
-
-- Issue #12804: Fix test_socket and test_urllib2net failures when running tests
-  on a system without internet access.
-
 - Issue #13772: In os.symlink() under Windows, do not try to guess the link
   target's type (file or directory).  The detection was buggy and made the
   call non-atomic (therefore prone to race conditions).
@@ -2439,9 +2400,6 @@ Library
 - Issue #13642: Unquote before b64encoding user:password during Basic
   Authentication. Patch contributed by Joonas Kuorilehto.
 
-- Issue #13726: Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow
-  tests.
-
 - Issue #12364: Fix a hang in concurrent.futures.ProcessPoolExecutor.
   The hang would occur when retrieving the result of a scheduled future after
   the executor had been shut down.
@@ -2524,10 +2482,6 @@ Library
 - Issue #13591: A bug in importlib has been fixed that caused import_module
   to load a module twice.
 
-- Issue #4625: If IDLE cannot write to its recent file or breakpoint files,
-  display a message popup and continue rather than crash.  Original patch by
-  Roger Serwy.
-
 - Issue #13449 sched.scheduler.run() method has a new "blocking" parameter which
   when set to False makes run() execute the scheduled events due to expire
   soonest (if any) and then return.  Patch by Giampaolo Rodolà.
@@ -2544,12 +2498,9 @@ Library
   'importlib.abc.PyPycLoader', 'nntplib.NNTP.xgtitle', 'nntplib.NNTP.xpath',
   and private attributes of 'smtpd.SMTPChannel'.
 
-- Issue #5905, #13560: time.strftime() is now using the current locale
+- Issue #5905, Issue #13560: time.strftime() is now using the current locale
   encoding, instead of UTF-8, if the wcsftime() function is not available.
 
-- Issue #8641: Update IDLE 3 syntax coloring to recognize b".." and not u"..".
-  Patch by Tal Einat.
-
 - Issue #13464: Add a readinto() method to http.client.HTTPResponse.  Patch
   by Jon Kuhn.
 
@@ -2661,9 +2612,6 @@ Library
 - Issue #10817: Fix urlretrieve function to raise ContentTooShortError even
   when reporthook is None. Patch by Jyrki Pulliainen.
 
-- Issue #13296: Fix IDLE to clear compile __future__ flags on shell restart.
-  (Patch by Roger Serwy)
-
 - Fix the xmlrpc.client user agent to return something similar to
   urllib.request user agent: "Python-xmlrpc/3.3".
 
@@ -2766,10 +2714,6 @@ Library
 - Issue #13034: When decoding some SSL certificates, the subjectAltName
   extension could be unreported.
 
-- Issue #9871: Prevent IDLE 3 crash when given byte stings
-  with invalid hex escape sequences, like b'\x0'.
-  (Original patch by Claudiu Popa.)
-
 - Issue #12306: Expose the runtime version of the zlib C library as a constant,
   ZLIB_RUNTIME_VERSION, in the zlib module. Patch by Torsten Landschoff.
 
@@ -2798,8 +2742,6 @@ Library
 
 - Issue #12878: Expose a __dict__ attribute on io.IOBase and its subclasses.
 
-- Issue #12636: IDLE reads the coding cookie when executing a Python script.
-
 - Issue #12494: On error, call(), check_call(), check_output() and
   getstatusoutput() functions of the subprocess module now kill the process,
   read its status (to avoid zombis) and close pipes.
@@ -2869,9 +2811,6 @@ Library
 
 - Issue #10087: Fix the html output format of the calendar module.
 
-- Issue #12540: Prevent zombie IDLE processes on Windows due to changes
-  in os.kill().
-
 - Issue #13121: add support for inplace math operators to collections.Counter.
 
 - Add support for unary plus and unary minus to collections.Counter.
@@ -2903,7 +2842,7 @@ Library
   Condition, etc.) used to be factory functions returning instances of hidden
   classes (_Event, _Condition, etc.), because (if Guido recalls correctly) this
   code pre-dates the ability to subclass extension types.  It is now possible
-  to inherit from these classes without having to import the private
+  to inherit from these classes, without having to import the private
   underscored names like multiprocessing did.
 
 - Issue #9723: Add shlex.quote functions, to escape filenames and command
@@ -2917,14 +2856,8 @@ Library
 - Issue #12607: In subprocess, fix issue where if stdin, stdout or stderr is
   given as a low fd, it gets overwritten.
 
-- Issue #12590: IDLE editor window now always displays the first line
-  when opening a long file.  With Tk 8.5, the first line was hidden.
-
 - Issue #12576: Fix urlopen behavior on sites which do not send (or obfuscates)
-  Connection:close header.
-
-- Issue #12102: Document that buffered files must be flushed before being used
-  with mmap. Patch by Steffen Daode Nurpmeso.
+  ``Connection: close`` header.
 
 - Issue #12560: Build libpython.so on OpenBSD. Patch by Stefan Sperling.
 
@@ -3179,7 +3112,7 @@ Library
 - Issue #12175: FileIO.readall() now raises a ValueError instead of an IOError
   if the file is closed.
 
-- Issue #11109: New service_action method for BaseServer, used by ForkingMixIn
+- Issue #11109: New service_action method for BaseServer, used by ForkingMixin
   class for cleanup. Initial Patch by Justin Warkentin.
 
 - Issue #12045: Avoid duplicate execution of command in
@@ -3224,9 +3157,6 @@ Library
   passing a ``context`` argument pointing to an ssl.SSLContext instance.
   Patch by Kasun Herath.
 
-- Issue #11088: don't crash when using F5 to run a script in IDLE on MacOSX
-  with Tk 8.5.
-
 - Issue #9516: Issue #9516: avoid errors in sysconfig when MACOSX_DEPLOYMENT_TARGET
   is set in shell.
 
@@ -3246,10 +3176,6 @@ Library
 - Issue #9971: Write an optimized implementation of BufferedReader.readinto().
   Patch by John O'Connor.
 
-- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError.
-  With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused
-  IDLE to exit.  Converted to valid Unicode null in PythonCmd().
-
 - Issue #11799: urllib.request Authentication Handlers will raise a ValueError
   when presented with an unsupported Authentication Scheme. Patch contributed
   by Yuval Greenfield.
@@ -3486,12 +3412,12 @@ Library
 
 - Issue #7639: Fix short file name generation in bdist_msi
 
-- Issue #11659: Fix ResourceWarning in test_subprocess introduced by #11459.
-  Patch by Ben Hayden.
-
 - Issue #11635: Don't use polling in worker threads and processes launched by
   concurrent.futures.
 
+- Issue #5845: Automatically read readline configuration to enable completion
+  in interactive mode.
+
 - Issue #6811: Allow importlib to change a code object's co_filename attribute
   to match the path to where the source code currently is, not where the code
   object originally came from.
@@ -3526,7 +3452,7 @@ Library
 
 - Issue #11127: Raise a TypeError when trying to pickle a socket object.
 
-- Issue #11563: Connection:close header is sent by requests using URLOpener
+- Issue #11563: ``Connection: close`` header is sent by requests using URLOpener
   class which helps in closing of sockets after connection is over. Patch
   contributions by Jeff McNeil and Nadeem Vawda.
 
@@ -3541,8 +3467,6 @@ Library
 - Issue #10979: unittest stdout buffering now works with class and module
   setup and teardown.
 
-- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage
-
 - Issue #11243: fix the parameter querying methods of Message to work if
   the headers contain un-encoded non-ASCII data.
 
@@ -3575,9 +3499,6 @@ Library
 - Issue #11554: Fixed support for Japanese codecs; previously the body output
   encoding was not done if euc-jp or shift-jis was specified as the charset.
 
-- Issue #11509: Significantly increase test coverage of fileinput.
-  Patch by Denver Coneybeare at PyCon 2011 Sprints.
-
 - Issue #11407: `TestCase.run` returns the result object used or created.
   Contributed by Janathan Hartley.
 
@@ -3700,11 +3621,6 @@ Library
 
 - Issue #9348: Raise an early error if argparse nargs and metavar don't match.
 
-- Issue #8982: Improve the documentation for the argparse Namespace object.
-
-- Issue #9343: Document that argparse parent parsers must be configured before
-  their children.
-
 - Issue #9026: Fix order of argparse sub-commands in help messages.
 
 - Issue #9347: Fix formatting for tuples in argparse type= error messages.
@@ -3757,10 +3673,61 @@ Build
 
 - Issue #11495: OSF support is eliminated. It was deprecated in Python 3.2.
 
-
 IDLE
 ----
 
+- Issue #14409: IDLE now properly executes commands in the Shell window
+  when it cannot read the normal config files on startup and
+  has to use the built-in default key bindings.
+  There was previously a bug in one of the defaults.
+
+- IDLE can be launched as python -m idlelib
+
+- Issue #3573: IDLE hangs when passing invalid command line args
+  (directory(ies) instead of file(s)) (Patch by Guilherme Polo)
+
+- Issue #14200: IDLE shell crash on printing non-BMP unicode character.
+
+- Issue #5219: Prevent event handler cascade in IDLE.
+
+- Issue #964437: Make IDLE help window non-modal.
+  Patch by Guilherme Polo and Roger Serwy.
+
+- Issue #13933: IDLE auto-complete did not work with some imported
+  module, like hashlib.  (Patch by Roger Serwy)
+
+- Issue #13506: Add '' to path for IDLE Shell when started and restarted with Restart Shell.
+  Original patches by Marco Scataglini and Roger Serwy.
+
+- Issue #4625: If IDLE cannot write to its recent file or breakpoint files,
+  display a message popup and continue rather than crash.  Original patch by
+  Roger Serwy.
+
+- Issue #8641: Update IDLE 3 syntax coloring to recognize b".." and not u"..".
+  Patch by Tal Einat.
+
+- Issue #13296: Fix IDLE to clear compile __future__ flags on shell restart.
+  (Patch by Roger Serwy)
+
+- Issue #9871: Prevent IDLE 3 crash when given byte stings
+  with invalid hex escape sequences, like b'\x0'.
+  (Original patch by Claudiu Popa.)
+
+- Issue #12636: IDLE reads the coding cookie when executing a Python script.
+
+- Issue #12540: Prevent zombie IDLE processes on Windows due to changes
+  in os.kill().
+
+- Issue #12590: IDLE editor window now always displays the first line
+  when opening a long file.  With Tk 8.5, the first line was hidden.
+
+- Issue #11088: don't crash when using F5 to run a script in IDLE on MacOSX
+  with Tk 8.5.
+
+- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError.
+  With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused
+  IDLE to exit.  Converted to valid Unicode null in PythonCmd().
+
 - Issue #11718: IDLE's open module dialog couldn't find the __init__.py
   file in a package.
 
@@ -3790,6 +3757,10 @@ Tools/Demos
 Extension Modules
 -----------------
 
+- Issue #16847: Fixed improper use of _PyUnicode_CheckConsistency() in
+  non-pydebug builds. Several extension modules now compile cleanly when
+  assert()s are enabled in standard builds (-DDEBUG flag).
+
 - Issue #13840: The error message produced by ctypes.create_string_buffer
   when given a Unicode string has been fixed.
 
@@ -3852,6 +3823,33 @@ Extension Modules
 Tests
 -----
 
+- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode.
+  Patch by Mikhail Novikov.
+
+- Issue #13447: Add a test file to host regression tests for bugs in the
+  scripts found in the Tools directory.
+
+- Issue #10881: Fix test_site failure with OS X framework builds.
+
+- Issue #13901: Prevent test_distutils failures on OS X with --enable-shared.
+
+- Issue #13862: Fix spurious failure in test_zlib due to runtime/compile time
+  minor versions not matching.
+
+- Issue #12804: Fix test_socket and test_urllib2net failures when running tests
+  on a system without internet access.
+
+- Issue #13726: Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow
+  tests.
+
+- Issue #11659: Fix ResourceWarning in test_subprocess introduced by #11459.
+  Patch by Ben Hayden.
+
+- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage
+
+- Issue #11509: Significantly increase test coverage of fileinput.
+  Patch by Denver Coneybeare at PyCon 2011 Sprints.
+
 - Issue #11689: Fix a variable scoping error in an sqlite3 test
 
 - Issue #13786: Remove unimplemented 'trace' long option from regrtest.py.
@@ -4030,7 +4028,7 @@ Tests
 - Issue #11505: improves test coverage of string.py. Patch by Alicia
   Arlen
 
-- Issue #11490: test_subprocess:test_leaking_fds_on_error no longer gives a
+- Issue #11490: test_subprocess.test_leaking_fds_on_error no longer gives a
   false positive if the last directory in the path is inaccessible.
 
 - Issue #11223: Fix test_threadsignals to fail, not hang, when the
@@ -4054,6 +4052,23 @@ Tests
 C-API
 -----
 
+- Issue #13452: PyUnicode_EncodeDecimal() doesn't support error handlers
+  different than "strict" anymore. The caller was unable to compute the
+  size of the output buffer: it depends on the error handler.
+
+- Issue #13560: Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize()
+  and PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to
+  the current locale encoding.
+
+- Issue #10831: PyUnicode_FromFormat() supports %li, %lli and %zi formats.
+
+- Issue #11246: Fix PyUnicode_FromFormat("%V") to decode the byte string from
+  UTF-8 (with replace error handler) instead of ISO-8859-1 (in strict mode).
+  Patch written by Ray Allen.
+
+- Issue #10830: Fix PyUnicode_FromFormatV("%c") for non-BMP characters on
+  narrow build.
+
 - Add PyObject_GenericGetDict and PyObject_GeneriSetDict. They are generic
   implementations for the getter and setter of a ``__dict__`` descriptor of C
   types.
@@ -4079,6 +4094,24 @@ C-API
 Documentation
 -------------
 
+- Issue #13989: Document that GzipFile does not support text mode, and give a
+  more helpful error message when opened with an invalid mode string.
+
+- Issue #13921: Undocument and clean up sqlite3.OptimizedUnicode,
+  which is obsolete in Python 3.x. It's now aliased to str for
+  backwards compatibility.
+
+- Issue #12102: Document that buffered files must be flushed before being used
+  with mmap. Patch by Steffen Daode Nurpmeso.
+
+- Issue #8982: Improve the documentation for the argparse Namespace object.
+
+- Issue #9343: Document that argparse parent parsers must be configured before
+  their children.
+
+- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument.  Done with
+  great native-speaker help from R. David Murray.
+
 - Issues #13491 and #13995: Fix many errors in sqlite3 documentation.
   Initial patch for #13491 by Johannes Vogel.
 
@@ -9652,7 +9685,7 @@ Core and Builtins
 
 - Issue #1210: Fixed imaplib and its documentation.
 
-- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()`` 
+- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
   method on file objects with closefd=False. The file descriptor is still
   kept open but the file object behaves like a closed file. The ``FileIO``
   object also got a new readonly attribute ``closefd``.
@@ -9796,13 +9829,13 @@ Core and Builtins
   cyclic garbage collection.
 
 - Issue #3668: Fix a memory leak with the "s*" argument parser in
-  PyArg_ParseTuple and friends, which occurred when the argument for "s*" 
+  PyArg_ParseTuple and friends, which occurred when the argument for "s*"
   was correctly parsed but parsing of subsequent arguments failed.
 
 - Issue #3611: An exception __context__ could be cleared in a complex pattern
   involving a __del__ method re-raising an exception.
 
-- Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to 
+- Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
   match Python 2.5 speed despite the __instancecheck__ / __subclasscheck__
   mechanism. In the process, fix a bug where isinstance() and issubclass(),
   when given a tuple of classes as second argument, were looking up
@@ -9880,7 +9913,7 @@ Library
 
 - The deprecation warnings for the camelCase threading API names were removed.
 
-- Issue #3110: multiprocessing fails to compiel on solaris 10 due to missing 
+- Issue #3110: multiprocessing fails to compiel on solaris 10 due to missing
   SEM_VALUE_MAX.
 
 Extension Modules
@@ -21512,7 +21545,7 @@ Thu Feb 18 20:51:50 1999  Fred Drake  <fdrake@eric.cnri.reston.va.us>
 	Bow to font-lock at the end of the docstring, since it throws stuff
 	off.
 
-	Make sure the path parameter to readmodule() is a list before adding it
+	Make sure the path paramter to readmodule() is a list before adding it
 	with sys.path, or the addition could fail.
 
 
@@ -21593,7 +21626,7 @@ New or improved ports
 
 - Improved BeOS support.
 
-- Support dynamic loading of shared libraries on NetBSD platforms that 
+- Support dynamic loading of shared libraries on NetBSD platforms that
 use ELF (i.e., MIPS and Alpha systems).
 
 Configuration/build changes
@@ -21810,7 +21843,7 @@ provide its own version of this function, while still sharing the
 higher-level classes in code.py.
 
 - turtle.py is a new module for simple turtle graphics.  I'm still
-working on it; let me know if you use this to teach Python to children 
+working on it; let me know if you use this to teach Python to children
 or other novices without prior programming experience.
 
 Obsoleted library modules
@@ -21942,7 +21975,7 @@ control pseudo-device, per audio(7I).
 Changes to tools
 ----------------
 
-- New, improved version of Barry Warsaw's Misc/python-mode.el (editing 
+- New, improved version of Barry Warsaw's Misc/python-mode.el (editing
 support for Emacs).
 
 - tabnanny.py: added a -q ('quiet') option to tabnanny, which causes
@@ -22217,7 +22250,7 @@ Windows Installer
 -----------------
 
 - Install zlib.dll in the DLLs directory instead of in the win32
-system directory, to avoid conflicts with other applications that have 
+system directory, to avoid conflicts with other applications that have
 their own zlib.dll.
 
 Test Suite
@@ -22297,7 +22330,7 @@ General
 so that a symlink to a symlink can work.
 
 - Added a hack so that when you type 'quit' or 'exit' at the
-interpreter, you get a friendly explanation of how to press Ctrl-D (or 
+interpreter, you get a friendly explanation of how to press Ctrl-D (or
 Ctrl-Z) to exit.
 
 - New and improved Misc/python-mode.el (Python mode for Emacs).
@@ -22470,13 +22503,13 @@ problem that randint() was accidentally defined as taking an inclusive
 range.  Also, randint(a, b) is now redefined as randrange(a, b+1),
 adding extra range and type checking to its arguments!
 
-- Add some semi-thread-safety to random.gauss() (it used to be able to 
+- Add some semi-thread-safety to random.gauss() (it used to be able to
 crash when invoked from separate threads; now the worst it can do is
 give a duplicate result occasionally).
 
 - Some restructuring and generalization done to cmd.py.
 
-- Major upgrade to ConfigParser.py; converted to using 're', added new 
+- Major upgrade to ConfigParser.py; converted to using 're', added new
 exceptions, support underscore in section header and option name.  No
 longer add 'name' option to every section; instead, add '__name__'.
 
@@ -22673,7 +22706,7 @@ Windows Installer
 -----------------
 
 - The registry key used is now "1.5" instead of "1.5.x" -- so future
-versions of 1.5 and Mark Hammond's win32all installer don't need to be 
+versions of 1.5 and Mark Hammond's win32all installer don't need to be
 resynchronized.
 
 Windows Tools
@@ -22740,7 +22773,7 @@ objects.
 dynamically add one or many entries to the table of built-in modules.
 
 - New macro Py_InitModule3(name, methods, doc) which calls
-Py_InitModule4() with appropriate arguments.  (The -4 variant requires 
+Py_InitModule4() with appropriate arguments.  (The -4 variant requires
 you to pass an obscure version number constant which is always the same.)
 
 - New APIs PySys_WriteStdout() and PySys_WriteStderr() to write to
@@ -22812,7 +22845,7 @@ less common scenario in practice.
 Syntax change
 -------------
 
-- The raise statement can now be used without arguments, to re-raise 
+- The raise statement can now be used without arguments, to re-raise
 a previously set exception.  This should be used after catching an
 exception with an except clause only, either in the except clause or
 later in the same function.
@@ -22871,7 +22904,7 @@ of a tab.  The preferred module is tabnanny.py (by Tim Peters).
 
 	Demo/tkinter/guido/paint.py -- Dave Mitchell
 	Demo/sockets/unixserver.py -- Piet van Oostrum
-	
+
 
 - Much better freeze support.  The freeze script can now freeze
 hierarchical module names (with a corresponding change to import.c),
@@ -23010,7 +23043,7 @@ certain locales).
 - New command supported by the ftplib module: rmd(); also fixed some
 minor bugs.
 
-- The profile module now uses a different timer function by default -- 
+- The profile module now uses a different timer function by default --
 time.clock() is generally better than os.times().  This makes it work
 better on Windows NT, too.
 
@@ -23049,14 +23082,14 @@ module.  Courtesy Barry Warsaw.
 - In the multifile module, support the optional second parameter to
 seek() when possible.
 
-- Several fixes to the gopherlib module by Lars Marius Garshol.  Also, 
+- Several fixes to the gopherlib module by Lars Marius Garshol.  Also,
 urlparse now correctly handles Gopher URLs with query strings.
 
 - Fixed a tiny bug in format_exception() in the traceback module.
 Also rewrite tb_lineno() to be compatible with JPython (and not
 disturb the current exception!); by Jim Hugunin.
 
-- The httplib module is more robust when servers send a short response 
+- The httplib module is more robust when servers send a short response
 -- courtesy Tim O'Malley.
 
 Tkinter and friends
@@ -23071,7 +23104,7 @@ application only).
 no longer use the default root.
 
 - The interfaces for the bind*() and unbind() widget methods have been
-redesigned; the bind*() methods now return the name of the Tcl command 
+redesigned; the bind*() methods now return the name of the Tcl command
 created for the callback, and this can be passed as a optional
 argument to unbind() in order to delete the command (normally, such
 commands are automatically unbound when the widget is destroyed, but
@@ -23107,7 +23140,7 @@ intended for storing thread-local global variables.
 dictionary to allow recursive container types to detect recursion in
 their repr(), str() and print implementations.
 
-- New function PyObject_Not(x) calculates (not x) according to Python's 
+- New function PyObject_Not(x) calculates (not x) according to Python's
 standard rules (basically, it negates the outcome PyObject_IsTrue(x).
 
 - New function _PyModule_Clear(), which clears a module's dictionary
@@ -23268,7 +23301,7 @@ defined in packages correctly.  The same change applies to copying
 instances with copy.py.  The cPickle.c changes and some pickle.py
 changes are courtesy Jim Fulton.
 
-- Locale support in he "re" (Perl regular expressions) module.  Use 
+- Locale support in he "re" (Perl regular expressions) module.  Use
 the flag re.L (or re.LOCALE) to enable locale-specific matching
 rules for \w and \b.  The in-line syntax for this flag is (?L).
 
@@ -23334,7 +23367,7 @@ don't know how to deal with those.
 
 - Some improvements to the _tkinter build line suggested by Case Roole.
 
-- A full suite of platform specific files for NetBSD 1.x, submitted by 
+- A full suite of platform specific files for NetBSD 1.x, submitted by
 Anders Andersen.
 
 - New Solaris specific header STROPTS.py.
@@ -23404,7 +23437,7 @@ after studying the GNU libg++ quicksort.  This should be much faster
 if there are lots of duplicates, and otherwise at least as good.
 
 - Added "uue" as an alias for "uuencode" to mimetools.py.  (Hm, the
-uudecode bug where it complaints about trailing garbage is still there 
+uudecode bug where it complaints about trailing garbage is still there
 :-( ).
 
 - pickle.py requires integers in text mode to be in decimal notation
@@ -23564,7 +23597,7 @@ an underscore and used to initialize the pointer.
 - The warning about a thread still having a frame now only happens in
 verbose mode.
 
-- Change the signal finalization so that it also resets the signal
+- Change the signal finialization so that it also resets the signal
 handlers.  After this has been called, our signal handlers are no
 longer active!
 
@@ -24180,7 +24213,7 @@ the C and the Python variety) and for floating point numbers.
 The Python/C API for frames is changed (you shouldn't be using this
 anyway).
 
-- Significant speedup by inlining some common opcodes for common operand 
+- Significant speedup by inlining some common opcodes for common operand
 types (e.g.  i+i, i-i, and list[i]).  Fredrik Lundh.
 
 - Small speedup by reordering the method tables of some common
@@ -24206,34 +24239,34 @@ pressure to document their own contributed modules :-).  Note that
 printing the documentation now kills fewer trees -- the margins have
 been reduced.
 
-- I have started documenting the Python/C API. Unfortunately this project 
-hasn't been completed yet.  It will be complete before the final release of 
-Python 1.5, though.  At the moment, it's better to read the LaTeX source 
+- I have started documenting the Python/C API. Unfortunately this project
+hasn't been completed yet.  It will be complete before the final release of
+Python 1.5, though.  At the moment, it's better to read the LaTeX source
 than to attempt to run it through LaTeX and print the resulting dvi file.
 
-- The posix module (and hence os.py) now has doc strings!  Thanks to Neil 
-Schemenauer.  I received a few other contributions of doc strings.  In most 
+- The posix module (and hence os.py) now has doc strings!  Thanks to Neil
+Schemenauer.  I received a few other contributions of doc strings.  In most
 other places, doc strings are still wishful thinking...
 
 
 Language changes
 ----------------
 
-- Private variables with leading double underscore are now a permanent 
-feature of the language.  (These were experimental in release 1.4.  I have 
-favorable experience using them; I can't label them "experimental" 
+- Private variables with leading double underscore are now a permanent
+feature of the language.  (These were experimental in release 1.4.  I have
+favorable experience using them; I can't label them "experimental"
 forever.)
 
-- There's new string literal syntax for "raw strings".  Prefixing a string 
-literal with the letter r (or R) disables all escape processing in the 
-string; for example, r'\n' is a two-character string consisting of a 
-backslash followed by the letter n.  This combines with all forms of string 
-quotes; it is actually useful for triple quoted doc strings which might 
-contain references to \n or \t.  An embedded quote prefixed with a 
-backslash does not terminate the string, but the backslash is still 
-included in the string; for example, r'\'' is a two-character string 
-consisting of a backslash and a quote.  (Raw strings are also 
-affectionately known as Robin strings, after their inventor, Robin 
+- There's new string literal syntax for "raw strings".  Prefixing a string
+literal with the letter r (or R) disables all escape processing in the
+string; for example, r'\n' is a two-character string consisting of a
+backslash followed by the letter n.  This combines with all forms of string
+quotes; it is actually useful for triple quoted doc strings which might
+contain references to \n or \t.  An embedded quote prefixed with a
+backslash does not terminate the string, but the backslash is still
+included in the string; for example, r'\'' is a two-character string
+consisting of a backslash and a quote.  (Raw strings are also
+affectionately known as Robin strings, after their inventor, Robin
 Friedrich.)
 
 - There's a simple assert statement, and a new exception
@@ -24262,10 +24295,10 @@ patches to catch floating point exceptions, at the moment).
 - The obsolete exception ConflictError (presumably used by the long
 obsolete access statement) has been deleted.
 
-- There's a new function sys.exc_info() which returns the tuple 
+- There's a new function sys.exc_info() which returns the tuple
 (sys.exc_type, sys.exc_value, sys.exc_traceback) in a thread-safe way.
 
-- There's a new variable sys.executable, pointing to the executable file 
+- There's a new variable sys.executable, pointing to the executable file
 for the Python interpreter.
 
 - The sort() methods for lists no longer uses the C library qsort(); I
@@ -24291,11 +24324,11 @@ caught an exception are kept alive until another exception is caught
 returning from a function that caught an exception.
 
 - There's a new "buffer" interface.  Certain objects (e.g. strings and
-arrays) now support the "buffer" protocol.  Buffer objects are acceptable 
-whenever formerly a string was required for a write operation; mutable 
+arrays) now support the "buffer" protocol.  Buffer objects are acceptable
+whenever formerly a string was required for a write operation; mutable
 buffer objects can be the target of a read operation using the call
-f.readinto(buffer).  A cool feature is that regular expression matching now 
-also work on array objects.  Contribution by Jack Jansen.  (Needs 
+f.readinto(buffer).  A cool feature is that regular expression matching now
+also work on array objects.  Contribution by Jack Jansen.  (Needs
 documentation.)
 
 - String interning: dictionary lookups are faster when the lookup
@@ -24587,7 +24620,7 @@ Wirzenius, and RFC 850 dates (Chris Lawrence).
 of message sequence specifiers without invoking a subprocess.  Also
 added a createmessage() method by Lars Wirzenius.
 
-- The StringIO.StringIO class now supports readline(nbytes).  (Lars 
+- The StringIO.StringIO class now supports readline(nbytes).  (Lars
 Wirzenius.)  (Of course, you should be using cStringIO for performance.)
 
 - UserDict.py supports the new dictionary methods as well.
@@ -24635,8 +24668,8 @@ command line utilities.
 - Various small fixes to the nntplib.py module that I can't bother to
 document in detail.
 
-- Sjoerd Mullender's mimify.py module now supports base64 encoding and 
-includes functions to handle the funny encoding you sometimes see in mail 
+- Sjoerd Mullender's mimify.py module now supports base64 encoding and
+includes functions to handle the funny encoding you sometimes see in mail
 headers.  It is now documented.
 
 - mailbox.py: Added BabylMailbox.  Improved the way the mailbox is
@@ -24987,23 +25020,23 @@ Windows (NT and 95)
 NT (the old VC++ 4.2 Makefile is also still supported, but will
 eventually be withdrawn due to its bulkiness).
 
-- See the note on the new module search path in the "Miscellaneous" section 
+- See the note on the new module search path in the "Miscellaneous" section
 above.
 
 - Support for Win32s (the 32-bit Windows API under Windows 3.1) is
 basically withdrawn.  If it still works for you, you're lucky.
 
-- There's a new extension module, msvcrt.c, which provides various 
-low-level operations defined in the Microsoft Visual C++ Runtime Library.  
-These include locking(), setmode(), get_osfhandle(), set_osfhandle(), and 
+- There's a new extension module, msvcrt.c, which provides various
+low-level operations defined in the Microsoft Visual C++ Runtime Library.
+These include locking(), setmode(), get_osfhandle(), set_osfhandle(), and
 console I/O functions like kbhit(), getch() and putch().
 
 - The -u option not only sets the standard I/O streams to unbuffered
 status, but also sets them in binary mode.  (This can also be done
 using msvcrt.setmode(), by the way.)
 
-- The, sys.prefix and sys.exec_prefix variables point to the directory 
-where Python is installed, or to the top of the source tree, if it was run 
+- The, sys.prefix and sys.exec_prefix variables point to the directory
+where Python is installed, or to the top of the source tree, if it was run
 from there.
 
 - The various os.path modules (posixpath, ntpath, macpath) now support
@@ -25011,7 +25044,7 @@ passing more than two arguments to the join() function, so
 os.path.join(a, b, c) is the same as os.path.join(a, os.path.join(b,
 c)).
 
-- The ntpath module (normally used as os.path) supports ~ to $HOME 
+- The ntpath module (normally used as os.path) supports ~ to $HOME
 expansion in expanduser().
 
 - The freeze tool now works on Windows.
@@ -25309,47 +25342,47 @@ output directory.
 
 - New module whichdb recognizes dbm, gdbm and bsddb/dbhash files.
 
-- The Doc/Makefile targets have been reorganized somewhat to remove the 
+- The Doc/Makefile targets have been reorganized somewhat to remove the
 insistence on always generating PostScript.
 
 - The texinfo to html filter (Doc/texi2html.py) has been improved somewhat.
 
-- "errors.h" has been renamed to "pyerrors.h" to resolve a long-standing 
+- "errors.h" has been renamed to "pyerrors.h" to resolve a long-standing
 name conflict on the Mac.
 
-- Linking a module compiled with a different setting for Py_TRACE_REFS now 
+- Linking a module compiled with a different setting for Py_TRACE_REFS now
 generates a linker error rather than a core dump.
 
-- The cgi module has a new convenience function print_exception(), which 
-formats a python exception using HTML.  It also fixes a bug in the 
-compatibility code and adds a dubious feature which makes it possible to 
+- The cgi module has a new convenience function print_exception(), which
+formats a python exception using HTML.  It also fixes a bug in the
+compatibility code and adds a dubious feature which makes it possible to
 have two query strings, one in the URL and one in the POST data.
 
-- A subtle change in the unpickling of class instances makes it possible 
-to unpickle in restricted execution mode, where the __dict__ attribute is 
+- A subtle change in the unpickling of class instances makes it possible
+to unpickle in restricted execution mode, where the __dict__ attribute is
 not available (but setattr() is).
 
-- Documentation for os.path.splitext() (== posixpath.splitext()) has been 
+- Documentation for os.path.splitext() (== posixpath.splitext()) has been
 cleared up.  It splits at the *last* dot.
 
 - posixfile locking is now also correctly supported on AIX.
 
-- The tempfile module once again honors an initial setting of tmpdir.  It 
+- The tempfile module once again honors an initial setting of tmpdir.  It
 now works on Windows, too.
 
-- The traceback module has some new functions to extract, format and print 
+- The traceback module has some new functions to extract, format and print
 the active stack.
 
-- Some translation functions in the urllib module have been made a little 
+- Some translation functions in the urllib module have been made a little
 less sluggish.
 
-- The addtag_* methods for Canvas widgets in Tkinter as well as in the 
-separate Canvas class have been fixed so they actually do something 
+- The addtag_* methods for Canvas widgets in Tkinter as well as in the
+separate Canvas class have been fixed so they actually do something
 meaningful.
 
 - A tiny _test() function has been added to Tkinter.py.
 
-- A generic Makefile for dynamically loaded modules is provided in the Misc 
+- A generic Makefile for dynamically loaded modules is provided in the Misc
 subdirectory (Misc/gMakefile).
 
 - A new version of python-mode.el for Emacs is provided.  See
@@ -25357,25 +25390,25 @@ http://www.python.org/ftp/emacs/pmdetails.html for details.  The
 separate file pyimenu.el is no longer needed, imenu support is folded
 into python-mode.el.
 
-- The configure script can finally correctly find the readline library in a 
-non-standard location.  The LDFLAGS variable is passed on the Makefiles 
+- The configure script can finally correctly find the readline library in a
+non-standard location.  The LDFLAGS variable is passed on the Makefiles
 from the configure script.
 
-- Shared libraries are now installed as programs (i.e. with executable 
+- Shared libraries are now installed as programs (i.e. with executable
 permission).  This is required on HP-UX and won't hurt on other systems.
 
-- The objc.c module is no longer part of the distribution.  Objective-C 
+- The objc.c module is no longer part of the distribution.  Objective-C
 support may become available as contributed software on the ftp site.
 
 - The sybase module is no longer part of the distribution.  A much
 improved sybase module is available as contributed software from the
 ftp site.
 
-- _tkinter is now compatible with Tcl 7.5 / Tk 4.1 patch1 on Windows and 
-Mac (don't use unpatched Tcl/Tk!).  The default line in the Setup.in file 
+- _tkinter is now compatible with Tcl 7.5 / Tk 4.1 patch1 on Windows and
+Mac (don't use unpatched Tcl/Tk!).  The default line in the Setup.in file
 now links with Tcl 7.5 / Tk 4.1 rather than 7.4/4.0.
 
-- In Setup, you can now write "*shared*" instead of "*noconfig*", and you 
+- In Setup, you can now write "*shared*" instead of "*noconfig*", and you
 can use *.so and *.sl as shared libraries.
 
 - Some more fidgeting for AIX shared libraries.
@@ -25384,81 +25417,81 @@ can use *.so and *.sl as shared libraries.
 (Note -- a complete replacement by Niels Mo"ller, called gpmodule, is
 available from the contrib directory on the ftp site.)
 
-- A warning is written to sys.stderr when a __del__ method raises an 
+- A warning is written to sys.stderr when a __del__ method raises an
 exception (formerly, such exceptions were completely ignored).
 
-- The configure script now defines HAVE_OLD_CPP if the C preprocessor is 
+- The configure script now defines HAVE_OLD_CPP if the C preprocessor is
 incapable of ANSI style token concatenation and stringification.
 
-- All source files (except a few platform specific modules) are once again 
+- All source files (except a few platform specific modules) are once again
 compatible with K&R C compilers as well as ANSI compilers.  In particular,
-ANSI-isms have been removed or made conditional in complexobject.c, 
+ANSI-isms have been removed or made conditional in complexobject.c,
 getargs.c and operator.c.
 
-- The abstract object API has three new functions, PyObject_DelItem, 
+- The abstract object API has three new functions, PyObject_DelItem,
 PySequence_DelItem, and PySequence_DelSlice.
 
-- The operator module has new functions delitem and delslice, and the 
-functions "or" and "and" are renamed to "or_" and "and_" (since "or" and 
+- The operator module has new functions delitem and delslice, and the
+functions "or" and "and" are renamed to "or_" and "and_" (since "or" and
 "and" are reserved words).  ("__or__" and "__and__" are unchanged.)
 
-- The environment module is no longer supported; putenv() is now a function 
+- The environment module is no longer supported; putenv() is now a function
 in posixmodule (also under NT).
 
 - Error in filter(<function>, "") has been fixed.
 
 - Unrecognized keyword arguments raise TypeError, not KeyError.
 
-- Better portability, fewer bugs and memory leaks, fewer compiler warnings, 
+- Better portability, fewer bugs and memory leaks, fewer compiler warnings,
 some more documentation.
 
-- Bug in float power boundary case (0.0 to the negative integer power) 
+- Bug in float power boundary case (0.0 to the negative integer power)
 fixed.
 
-- The test of negative number to the float power has been moved from the 
+- The test of negative number to the float power has been moved from the
 built-in pow() function to floatobject.c (so complex numbers can yield the
 correct result).
 
-- The bug introduced in beta2 where shared libraries loaded (using 
+- The bug introduced in beta2 where shared libraries loaded (using
 dlopen()) from the current directory would fail, has been fixed.
 
-- Modules imported as shared libraries now also have a __file__ attribute, 
-giving the filename from which they were loaded.  The only modules without 
+- Modules imported as shared libraries now also have a __file__ attribute,
+giving the filename from which they were loaded.  The only modules without
 a __file__ attribute now are built-in modules.
 
-- On the Mac, dynamically loaded modules can end in either ".slb" or 
-".<platform>.slb" where <platform> is either "CFM68K" or "ppc".  The ".slb" 
+- On the Mac, dynamically loaded modules can end in either ".slb" or
+".<platform>.slb" where <platform> is either "CFM68K" or "ppc".  The ".slb"
 extension should only be used for "fat" binaries.
 
-- C API addition: marshal.c now supports 
+- C API addition: marshal.c now supports
 PyMarshal_WriteObjectToString(object).
 
 - C API addition: getargs.c now supports
 PyArg_ParseTupleAndKeywords(args, kwdict, format, kwnames, ...)
 to parse keyword arguments.
 
-- The PC versioning scheme (sys.winver) has changed once again.  the 
-version number is now "<digit>.<digit>.<digit>.<apiversion>", where the 
-first three <digit>s are the Python version (e.g. "1.4.0" for Python 1.4, 
-"1.4.1" for Python 1.4.1 -- the beta level is not included) and 
+- The PC versioning scheme (sys.winver) has changed once again.  the
+version number is now "<digit>.<digit>.<digit>.<apiversion>", where the
+first three <digit>s are the Python version (e.g. "1.4.0" for Python 1.4,
+"1.4.1" for Python 1.4.1 -- the beta level is not included) and
 <apiversion> is the four-digit PYTHON_API_VERSION (currently 1005).
 
 - h2py.py accepts whitespace before the # in CPP directives
 
-- On Solaris 2.5, it should now be possible to use either Posix threads or 
-Solaris threads (XXX: how do you select which is used???).  (Note: the 
-Python pthreads interface doesn't fully support semaphores yet -- anyone 
+- On Solaris 2.5, it should now be possible to use either Posix threads or
+Solaris threads (XXX: how do you select which is used???).  (Note: the
+Python pthreads interface doesn't fully support semaphores yet -- anyone
 care to fix this?)
 
-- Thread support should now work on AIX, using either DCE threads or 
+- Thread support should now work on AIX, using either DCE threads or
 pthreads.
 
 - New file Demo/sockets/unicast.py
 
-- Working Mac port, with CFM68K support, with Tk 4.1 support (though not 
+- Working Mac port, with CFM68K support, with Tk 4.1 support (though not
 both) (XXX)
 
-- New project setup for PC port, now compatible with PythonWin, with 
+- New project setup for PC port, now compatible with PythonWin, with
 _tkinter and NumPy support (XXX)
 
 - New module site.py (XXX)
@@ -25475,7 +25508,7 @@ _tkinter and NumPy support (XXX)
 
 - string.atoi c.s. now raise an exception for an empty input string.
 
-- At last, it is no longer necessary to define HAVE_CONFIG_H in order to 
+- At last, it is no longer necessary to define HAVE_CONFIG_H in order to
 have config.h included at various places.
 
 - Unrecognized keyword arguments now raise TypeError rather than KeyError.
@@ -25483,25 +25516,25 @@ have config.h included at various places.
 - The makesetup script recognizes files with extension .so or .sl as
 (shared) libraries.
 
-- 'access' is no longer a reserved word, and all code related to its 
-implementation is gone (or at least #ifdef'ed out).  This should make 
+- 'access' is no longer a reserved word, and all code related to its
+implementation is gone (or at least #ifdef'ed out).  This should make
 Python a little speedier too!
 
-- Performance enhancements suggested by Sjoerd Mullender.  This includes 
-the introduction of two new optional function pointers in type object, 
-getattro and setattro, which are like getattr and setattr but take a 
+- Performance enhancements suggested by Sjoerd Mullender.  This includes
+the introduction of two new optional function pointers in type object,
+getattro and setattro, which are like getattr and setattr but take a
 string object instead of a C string pointer.
 
-- New operations in string module: lstrip(s) and rstrip(s) strip whitespace 
-only on the left or only on the right, A new optional third argument to 
-split() specifies the maximum number of separators honored (so 
-splitfields(s, sep, n) returns a list of at most n+1 elements).  (Since 
+- New operations in string module: lstrip(s) and rstrip(s) strip whitespace
+only on the left or only on the right, A new optional third argument to
+split() specifies the maximum number of separators honored (so
+splitfields(s, sep, n) returns a list of at most n+1 elements).  (Since
 1.3, splitfields(s, None) is totally equivalent to split(s).)
-string.capwords() has an optional second argument specifying the 
+string.capwords() has an optional second argument specifying the
 separator (which is passed to split()).
 
-- regsub.split() has the same addition as string.split().  regsub.splitx(s, 
-sep, maxsep) implements the functionality that was regsub.split(s, 1) in 
+- regsub.split() has the same addition as string.split().  regsub.splitx(s,
+sep, maxsep) implements the functionality that was regsub.split(s, 1) in
 1.4beta2 (return a list containing the delimiters as well as the words).
 
 - Final touch for AIX loading, rewritten Misc/AIX-NOTES.
@@ -25545,11 +25578,11 @@ What's new in 1.4beta2 (since beta1)?
 meaningful value (a few things were botched in beta 1).  Lib/dos_8x3
 is now a standard part of the distribution (alas).
 
-- More improvements to the installation procedure.  Typing "make install" 
-now inserts the version number in the pathnames of almost everything 
-installed, and creates the machine dependent modules (FCNTL.py etc.) if not 
-supplied by the distribution.  (XXX There's still a problem with the latter 
-because the "regen" script requires that Python is installed.  Some manual 
+- More improvements to the installation procedure.  Typing "make install"
+now inserts the version number in the pathnames of almost everything
+installed, and creates the machine dependent modules (FCNTL.py etc.) if not
+supplied by the distribution.  (XXX There's still a problem with the latter
+because the "regen" script requires that Python is installed.  Some manual
 intervention may still be required.) (This has been fixed in 1.4beta3.)
 
 - New modules: errno, operator (XXX).
@@ -25612,8 +25645,8 @@ What's new in 1.4beta1 (since 1.3)?
 
 - Added sys.platform and sys.exec_platform for Bill Janssen.
 
-- Installation has been completely overhauled.  "make install" now installs 
-everything, not just the python binary.  Installation uses the install-sh 
+- Installation has been completely overhauled.  "make install" now installs
+everything, not just the python binary.  Installation uses the install-sh
 script (borrowed from X11) to install each file.
 
 - New functions in the posix module: mkfifo, plock, remove (== unlink),
@@ -25623,59 +25656,59 @@ and ftruncate.  More functions are also available under NT.
 
 - Shared library support for FreeBSD.
 
-- The --with-readline option can now be used without a DIRECTORY argument, 
-for systems where libreadline.* is in one of the standard places.  It is 
+- The --with-readline option can now be used without a DIRECTORY argument,
+for systems where libreadline.* is in one of the standard places.  It is
 also possible for it to be a shared library.
 
-- The extension tkinter has been renamed to _tkinter, to avoid confusion 
-with Tkinter.py oncase insensitive file systems.  It now supports Tk 4.1 as 
+- The extension tkinter has been renamed to _tkinter, to avoid confusion
+with Tkinter.py oncase insensitive file systems.  It now supports Tk 4.1 as
 well as 4.0.
 
-- Author's change of address from CWI in Amsterdam, The Netherlands, to 
+- Author's change of address from CWI in Amsterdam, The Netherlands, to
 CNRI in Reston, VA, USA.
 
-- The math.hypot() function is now always available (if it isn't found in 
+- The math.hypot() function is now always available (if it isn't found in
 the C math library, Python provides its own implementation).
 
-- The latex documentation is now compatible with latex2e, thanks to David 
+- The latex documentation is now compatible with latex2e, thanks to David
 Ascher.
 
 - The expression x**y is now equivalent to pow(x, y).
 
 - The indexing expression x[a, b, c] is now equivalent to x[(a, b, c)].
 
-- Complex numbers are now supported.  Imaginary constants are written with 
-a 'j' or 'J' prefix, general complex numbers can be formed by adding a real 
-part to an imaginary part, like 3+4j.  Complex numbers are always stored in 
-floating point form, so this is equivalent to 3.0+4.0j.  It is also 
-possible to create complex numbers with the new built-in function 
-complex(re, [im]).  For the footprint-conscious, complex number support can 
+- Complex numbers are now supported.  Imaginary constants are written with
+a 'j' or 'J' prefix, general complex numbers can be formed by adding a real
+part to an imaginary part, like 3+4j.  Complex numbers are always stored in
+floating point form, so this is equivalent to 3.0+4.0j.  It is also
+possible to create complex numbers with the new built-in function
+complex(re, [im]).  For the footprint-conscious, complex number support can
 be disabled by defining the symbol WITHOUT_COMPLEX.
 
 - New built-in function list() is the long-awaited counterpart of tuple().
 
-- There's a new "cmath" module which provides the same functions as the 
-"math" library but with complex arguments and results.  (There are very 
-good reasons why math.sqrt(-1) still raises an exception -- you have to use 
+- There's a new "cmath" module which provides the same functions as the
+"math" library but with complex arguments and results.  (There are very
+good reasons why math.sqrt(-1) still raises an exception -- you have to use
 cmath.sqrt(-1) to get 1j for an answer.)
 
-- The Python.h header file (which is really the same as allobjects.h except 
-it disables support for old style names) now includes several more files, 
+- The Python.h header file (which is really the same as allobjects.h except
+it disables support for old style names) now includes several more files,
 so you have to have fewer #include statements in the average extension.
 
-- The NDEBUG symbol is no longer used.  Code that used to be dependent on 
-the presence of NDEBUG is now present on the absence of DEBUG.  TRACE_REFS 
-and REF_DEBUG have been renamed to Py_TRACE_REFS and Py_REF_DEBUG, 
-respectively.  At long last, the source actually compiles and links without 
+- The NDEBUG symbol is no longer used.  Code that used to be dependent on
+the presence of NDEBUG is now present on the absence of DEBUG.  TRACE_REFS
+and REF_DEBUG have been renamed to Py_TRACE_REFS and Py_REF_DEBUG,
+respectively.  At long last, the source actually compiles and links without
 errors when this symbol is defined.
 
-- Several symbols that didn't follow the new naming scheme have been 
-renamed (usually by adding to rename2.h) to use a Py or _Py prefix.  There 
-are no external symbols left without a Py or _Py prefix, not even those 
-defined by sources that were incorporated from elsewhere (regexpr.c, 
+- Several symbols that didn't follow the new naming scheme have been
+renamed (usually by adding to rename2.h) to use a Py or _Py prefix.  There
+are no external symbols left without a Py or _Py prefix, not even those
+defined by sources that were incorporated from elsewhere (regexpr.c,
 md5c.c).  (Macros are a different story...)
 
-- There are now typedefs for the structures defined in config.c and 
+- There are now typedefs for the structures defined in config.c and
 frozen.c.
 
 - New PYTHON_API_VERSION value and .pyc file magic number.
@@ -25689,125 +25722,125 @@ frozen.c.
 - The binhex and binascii modules now actually work.
 
 - The cgi module has been almost totally rewritten and documented.
-It now supports file upload and a new data type to handle forms more 
+It now supports file upload and a new data type to handle forms more
 flexibly.
 
 - The formatter module (for use with htmllib) has been overhauled (again).
 
 - The ftplib module now supports passive mode and has doc strings.
 
-- In (ideally) all places where binary files are read or written, the file 
-is now correctly opened in binary mode ('rb' or 'wb') so the code will work 
+- In (ideally) all places where binary files are read or written, the file
+is now correctly opened in binary mode ('rb' or 'wb') so the code will work
 on Mac or PC.
 
-- Dummy versions of os.path.expandvars() and expanduser() are now provided 
+- Dummy versions of os.path.expandvars() and expanduser() are now provided
 on non-Unix platforms.
 
-- Module urllib now has two new functions url2pathname and pathname2url 
-which turn local filenames into "file:..." URLs using the same rules as 
-Netscape (why be different).  it also supports urlretrieve() with a 
-pathname parameter, and honors the proxy environment variables (http_proxy 
+- Module urllib now has two new functions url2pathname and pathname2url
+which turn local filenames into "file:..." URLs using the same rules as
+Netscape (why be different).  it also supports urlretrieve() with a
+pathname parameter, and honors the proxy environment variables (http_proxy
 etc.).  The URL parsing has been improved somewhat, too.
 
-- Micro improvements to urlparse.  Added urlparse.urldefrag() which 
+- Micro improvements to urlparse.  Added urlparse.urldefrag() which
 removes a trailing ``#fragment'' if any.
 
 - The mailbox module now supports MH style message delimiters as well.
 
-- The mhlib module contains some new functionality: setcontext() to set the 
-current folder and parsesequence() to parse a sequence as commonly passed 
+- The mhlib module contains some new functionality: setcontext() to set the
+current folder and parsesequence() to parse a sequence as commonly passed
 to MH commands (e.g. 1-10 or last:5).
 
-- New module mimify for conversion to and from MIME format of email 
+- New module mimify for conversion to and from MIME format of email
 messages.
 
-- Module ni now automatically installs itself when first imported -- this 
-is against the normal rule that modules should define classes and functions 
-but not invoke them, but appears more useful in the case that two 
+- Module ni now automatically installs itself when first imported -- this
+is against the normal rule that modules should define classes and functions
+but not invoke them, but appears more useful in the case that two
 different, independent modules want to use ni's features.
 
 - Some small performance enhancements in module pickle.
 
-- Small interface change to the profile.run*() family of functions -- more 
+- Small interface change to the profile.run*() family of functions -- more
 sensible handling of return values.
 
-- The officially registered Mac creator for Python files is 'Pyth'.  This 
+- The officially registered Mac creator for Python files is 'Pyth'.  This
 replaces 'PYTH' which was used before but never registered.
 
 - Added regsub.capwords().  (XXX)
 
-- Added string.capwords(), string.capitalize() and string.translate().  
+- Added string.capwords(), string.capitalize() and string.translate().
 (XXX)
 
-- Fixed an interface bug in the rexec module: it was impossible to pass a 
-hooks instance to the RExec class.  rexec now also supports the dynamic 
-loading of modules from shared libraries.  Some other interfaces have been 
+- Fixed an interface bug in the rexec module: it was impossible to pass a
+hooks instance to the RExec class.  rexec now also supports the dynamic
+loading of modules from shared libraries.  Some other interfaces have been
 added too.
 
-- Module rfc822 now caches the headers in a dictionary for more efficient 
+- Module rfc822 now caches the headers in a dictionary for more efficient
 lookup.
 
-- The sgmllib module now understands a limited number of SGML "shorthands" 
+- The sgmllib module now understands a limited number of SGML "shorthands"
 like <A/.../ for <A>...</A>.  (It's not clear that this was a good idea...)
 
-- The tempfile module actually tries a number of different places to find a 
-usable temporary directory.  (This was prompted by certain Linux 
-installations that appear to be missing a /usr/tmp directory.) [A bug in 
-the implementation that would ignore a pre-existing tmpdir global has been 
+- The tempfile module actually tries a number of different places to find a
+usable temporary directory.  (This was prompted by certain Linux
+installations that appear to be missing a /usr/tmp directory.) [A bug in
+the implementation that would ignore a pre-existing tmpdir global has been
 fixed in beta3.]
 
 - Much improved and enhanved FileDialog module for Tkinter.
 
-- Many small changes to Tkinter, to bring it more in line with Tk 4.0 (as 
+- Many small changes to Tkinter, to bring it more in line with Tk 4.0 (as
 well as Tk 4.1).
 
-- New socket interfaces include ntohs(), ntohl(), htons(), htonl(), and 
-s.dup().  Sockets now work correctly on Windows.  On Windows, the built-in 
-extension is called _socket and a wrapper module win/socket.py provides 
-"makefile()" and "dup()" functionality.  On Windows, the select module 
+- New socket interfaces include ntohs(), ntohl(), htons(), htonl(), and
+s.dup().  Sockets now work correctly on Windows.  On Windows, the built-in
+extension is called _socket and a wrapper module win/socket.py provides
+"makefile()" and "dup()" functionality.  On Windows, the select module
 works only with socket objects.
 
 - Bugs in bsddb module fixed (e.g. missing default argument values).
 
 - The curses extension now includes <ncurses.h> when available.
 
-- The gdbm module now supports opening databases in "fast" mode by 
+- The gdbm module now supports opening databases in "fast" mode by
 specifying 'f' as the second character or the mode string.
 
-- new variables sys.prefix and sys.exec_prefix pass corresponding 
+- new variables sys.prefix and sys.exec_prefix pass corresponding
 configuration options / Makefile variables to the Python programmer.
 
-- The ``new'' module now supports creating new user-defined classes as well 
+- The ``new'' module now supports creating new user-defined classes as well
 as instances thereof.
 
-- The soundex module now sports get_soundex() to get the soundex value for an 
-arbitrary string (formerly it would only do soundex-based string 
+- The soundex module now sports get_soundex() to get the soundex value for an
+arbitrary string (formerly it would only do soundex-based string
 comparison) as well as doc strings.
 
-- New object type "cobject" to safely wrap void pointers for passing them 
+- New object type "cobject" to safely wrap void pointers for passing them
 between various extension modules.
 
 - More efficient computation of float**smallint.
 
-- The mysterious bug whereby "x.x" (two occurrences of the same 
-one-character name) typed from the commandline would sometimes fail 
+- The mysterious bug whereby "x.x" (two occurrences of the same
+one-character name) typed from the commandline would sometimes fail
 mysteriously.
 
-- The initialization of the readline function can now be invoked by a C 
+- The initialization of the readline function can now be invoked by a C
 extension through PyOS_ReadlineInit().
 
-- There's now an externally visible pointer PyImport_FrozenModules which 
+- There's now an externally visible pointer PyImport_FrozenModules which
 can be changed by an embedding application.
 
-- The argument parsing functions now support a new format character 'D' to 
+- The argument parsing functions now support a new format character 'D' to
 specify complex numbers.
 
 - Various memory leaks plugged and bugs fixed.
 
-- Improved support for posix threads (now that real implementations are 
+- Improved support for posix threads (now that real implementations are
 beginning to apepar).  Still no fully functioning semaphores.
 
-- Some various and sundry improvements and new entries in the Tools 
+- Some various and sundry improvements and new entries in the Tools
 directory.
 
 
@@ -27417,7 +27450,7 @@ it's now about 38).
 The limit on the size of the *run-time* stack has completely been
 removed -- this means that tuple or list displays can contain any
 number of elements (formerly more than 50 would crash the
-interpreter). 
+interpreter).
 
 
 Changes to existing built-in functions and methods
diff --git a/Misc/NEWS b/Misc/NEWS
index 3d2e09f..974e9ca 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -2,16 +2,71 @@
 Python News
 +++++++++++
 
-What's New in Python 3.4.4rc1?
-==============================
+What's New in Python 3.5.0 beta 1?
+==================================
 
-Release date: tba
+Release date: 2015-04-24
 
 Core and Builtins
 -----------------
 
 - Issue #24022: Fix tokenizer crash when processing undecodable source code.
 
+Library
+-------
+
+- Issue #17445: add difflib.diff_bytes() to support comparison of
+  byte strings (fixes a regression from Python 2).
+
+- Issue #23917: Fall back to sequential compilation when ProcessPoolExecutor
+  doesn't exist.  Patch by Claudiu Popa.
+
+- Issue #23008: Fixed resolving attributes with boolean value is False in pydoc.
+
+- Fix asyncio issue 235: LifoQueue and PriorityQueue's put didn't
+  increment unfinished tasks (this bug was introduced when
+  JoinableQueue was merged with Queue).
+
+- Issue #23908: os functions now reject paths with embedded null character
+  on Windows instead of silently truncate them.
+
+- Issue #23728: binascii.crc_hqx() could return an integer outside of the range
+  0-0xffff for empty data.
+
+- Issue #23887: urllib.error.HTTPError now has a proper repr() representation. 
+  Patch by Berker Peksag.
+
+Documentation
+-------------
+
+- Issue #24029: Document the name binding behavior for submodule imports.
+
+Tools/Demos
+-----------
+
+- Issue #24031: make patchcheck now supports git checkouts, too.
+
+What's New in Python 3.5.0 alpha 4?
+===================================
+
+Release date: 2015-04-19
+
+Core and Builtins
+-----------------
+
+- Issue #22980: Under Linux, GNU/KFreeBSD and the Hurd, C extensions now include
+  the architecture triplet in the extension name, to make it easy to test builds
+  for different ABIs in the same working tree.  Under OS X, the extension name
+  now includes PEP 3149-style information.
+
+- Issue #22631: Added Linux-specific socket constant CAN_RAW_FD_FRAMES.
+  Patch courtesy of Joe Jevnik.
+
+- Issue #23731: Implement PEP 488: removal of .pyo files.
+
+- Issue #23726: Don't enable GC for user subclasses of non-GC types that
+  don't add any new fields.  Patch by Eugene Toder.
+
 - Issue #23309: Avoid a deadlock at shutdown if a daemon thread is aborted
   while it is holding a lock to a buffered I/O object, and the main thread
   tries to use the same I/O object (typically stdout or stderr).  A fatal
@@ -20,87 +75,276 @@ Core and Builtins
 - Issue #22977: Fixed formatting Windows error messages on Wine.
   Patch by Martin Panter.
 
-- Issue #23803: Fixed str.partition() and str.rpartition() when a separator
-  is wider then partitioned string.
-
-- Issue #23192: Fixed generator lambdas.  Patch by Bruno Cauet.
-
-- Issue #23629: Fix the default __sizeof__ implementation for variable-sized
-  objects.
+- Issue #23466: %c, %o, %x, and %X in bytes formatting now raise TypeError on
+  non-integer input.
 
 Library
 -------
 
-- Issue #23008: Fixed resolving attributes with boolean value is False in pydoc.
+- Issue #16914: new debuglevel 2 in smtplib adds timestamps to debug output.
 
-- Fix asyncio issue 235: LifoQueue and PriorityQueue's put didn't
-  increment unfinished tasks (this bug was introduced in 3.4.3 when
-  JoinableQueue was merged with Queue).
+- Issue #7159: urllib.request now supports sending auth credentials
+  automatically after the first 401.  This enhancement is a superset of the
+  enhancement from issue #19494 and supersedes that change.
 
-- Issue #23908: os functions now reject paths with embedded null character
-  on Windows instead of silently truncate them.
+- Issue #23703: Fix a regression in urljoin() introduced in 901e4e52b20a.
+  Patch by Demian Brecht.
 
-- Issue #23728: binascii.crc_hqx() could return an integer outside of the range
-  0-0xffff for empty data.
+- Issue #4254: Adds _curses.update_lines_cols() Patch by Arnon Yaari
+
+- Issue 19933: Provide default argument for ndigits in round. Patch by
+  Vajrasky Kok.
+
+- Issue #23193: Add a numeric_owner parameter to
+  tarfile.TarFile.extract and tarfile.TarFile.extractall. Patch by
+  Michael Vogt and Eric Smith.
+
+- Issue #23342: Add a subprocess.run() function than returns a CalledProcess
+  instance for a more consistent API than the existing call* functions.
+
+- Issue #21217: inspect.getsourcelines() now tries to compute the start and end
+  lines from the code object, fixing an issue when a lambda function is used as
+  decorator argument. Patch by Thomas Ballinger and Allison Kaptur.
 
 - Issue #23811: Add missing newline to the PyCompileError error message.
   Patch by Alex Shkop.
 
-- Issue #17898: Fix exception in gettext.py when parsing certain plural forms.
+- Issue #21116: Avoid blowing memory when allocating a multiprocessing shared
+  array that's larger than 50% of the available RAM.  Patch by Médéric Boquien.
 
 - Issue #22982: Improve BOM handling when seeking to multiple positions of
   a writable text file.
 
+- Issue #23464: Removed deprecated asyncio JoinableQueue.
+
+- Issue #23529: Limit the size of decompressed data when reading from
+  GzipFile, BZ2File or LZMAFile.  This defeats denial of service attacks
+  using compressed bombs (i.e. compressed payloads which decompress to a huge
+  size).  Patch by Martin Panter and Nikolaus Rath.
+
+- Issue #21859: Added Python implementation of io.FileIO.
+
 - Issue #23865: close() methods in multiple modules now are idempotent and more
   robust at shutdown. If they need to release multiple resources, all are
   released even if errors occur.
 
+- Issue #23400: Raise same exception on both Python 2 and 3 if sem_open is not
+  available.  Patch by Davin Potts.
+
+- Issue #10838: The subprocess now module includes SubprocessError and
+  TimeoutError in its list of exported names for the users wild enough
+  to use ``from subprocess import *``.
+
+- Issue #23411: Added DefragResult, ParseResult, SplitResult, DefragResultBytes,
+  ParseResultBytes, and SplitResultBytes to urllib.parse.__all__.
+  Patch by Martin Panter.
+
 - Issue #23881: urllib.request.ftpwrapper constructor now closes the socket if
   the FTP connection failed to fix a ResourceWarning.
 
-- Issue #23400: Raise same exception on both Python 2 and 3 if sem_open is not
-  available.  Patch by Davin Potts.
+- Issue #23853: :meth:`socket.socket.sendall` does no more reset the socket
+  timeout each time data is sent successfuly. The socket timeout is now the
+  maximum total duration to send all data.
+
+- Issue #22721: An order of multiline pprint output of set or dict containing
+  orderable and non-orderable elements no longer depends on iteration order of
+  set or dict.
 
 - Issue #15133: _tkinter.tkapp.getboolean() now supports Tcl_Obj and always
   returns bool.  tkinter.BooleanVar now validates input values (accepted bool,
   int, str, and Tcl_Obj).  tkinter.BooleanVar.get() now always returns bool.
 
+- Issue #10590: xml.sax.parseString() now supports string argument.
+
 - Issue #23338: Fixed formatting ctypes error messages on Cygwin.
   Patch by Makoto Kato.
 
+- Issue #15582: inspect.getdoc() now follows inheritance chains.
+
+- Issue #2175: SAX parsers now support a character stream of InputSource object.
+
 - Issue #16840: Tkinter now supports 64-bit integers added in Tcl 8.4 and
   arbitrary precision integers added in Tcl 8.5.
 
 - Issue #23834: Fix socket.sendto(), use the C Py_ssize_t type to store the
   result of sendto() instead of the C int type.
 
+- Issue #23618: :meth:`socket.socket.connect` now waits until the connection
+  completes instead of raising :exc:`InterruptedError` if the connection is
+  interrupted by signals, signal handlers don't raise an exception and the
+  socket is blocking or has a timeout. :meth:`socket.socket.connect` still
+  raise :exc:`InterruptedError` for non-blocking sockets.
+
 - Issue #21526: Tkinter now supports new boolean type in Tcl 8.5.
 
+- Issue #23836: Fix the faulthandler module to handle reentrant calls to
+  its signal handlers.
+
 - Issue #23838: linecache now clears the cache and returns an empty result on
   MemoryError.
 
+- Issue #10395: Added os.path.commonpath(). Implemented in posixpath and ntpath.
+  Based on patch by Rafik Draoui.
+
+- Issue #23611: Serializing more "lookupable" objects (such as unbound methods
+  or nested classes) now are supported with pickle protocols < 4.
+
+- Issue #13583: sqlite3.Row now supports slice indexing.
+
 - Issue #18473: Fixed 2to3 and 3to2 compatible pickle mappings.  Fixed
   ambigious reverse mappings.  Added many new mappings.  Import mapping is no
   longer applied to modules already mapped with full name mapping.
 
+- Issue #23485: select.select() is now retried automatically with the
+  recomputed timeout when interrupted by a signal, except if the signal handler
+  raises an exception. This change is part of the PEP 475.
+
+- Issue #23752: When built from an existing file descriptor, io.FileIO() now
+  only calls fstat() once. Before fstat() was called twice, which was not
+  necessary.
+
+- Issue #23704: collections.deque() objects now support __add__, __mul__, and
+  __imul__().
+
+- Issue #23171: csv.Writer.writerow() now supports arbitrary iterables.
+
 - Issue #23745: The new email header parser now handles duplicate MIME
   parameter names without error, similar to how get_param behaves.
 
+- Issue #22117: Fix os.utime(), it now rounds the timestamp towards minus
+  infinity (-inf) instead of rounding towards zero.
+
+- Issue #23310: Fix MagicMock's initializer to work with __methods__, just
+  like configure_mock().  Patch by Kasia Jachim.
+
+
+Build
+-----
+
+- Issue #23817: FreeBSD now uses "1.0" the the SOVERSION as other operating
+  systems, instead of just "1".
+
+- Issue #23501: Argument Clinic now generates code into separate files by default.
+
+Tests
+-----
+
+- Issue #23799: Added test.support.start_threads() for running and
+  cleaning up multiple threads.
+
+- Issue #22390: test.regrtest now emits a warning if temporary files or
+  directories are left after running a test.
+
+Tools/Demos
+-----------
+
+- Issue #18128: pygettext now uses standard +NNNN format in the
+  POT-Creation-Date header.
+
+- Issue #23935: Argument Clinic's understanding of format units
+  accepting bytes, bytearrays, and buffers is now consistent with
+  both the documentation and the implementation.
+
+- Issue #23944: Argument Clinic now wraps long impl prototypes at column 78.
+
+- Issue #20586: Argument Clinic now ensures that functions without docstrings
+  have signatures.
+
+- Issue #23492: Argument Clinic now generates argument parsing code with
+  PyArg_Parse instead of PyArg_ParseTuple if possible.
+
+- Issue #23500: Argument Clinic is now smarter about generating the "#ifndef"
+  (empty) definition of the methoddef macro: it's only generated once, even
+  if Argument Clinic processes the same symbol multiple times, and it's emitted
+  at the end of all processing rather than immediately after the first use.
+
+C API
+-----
+
+- Issue #23998: PyImport_ReInitLock() now checks for lock allocation error
+
+
+What's New in Python 3.5.0 alpha 3?
+===================================
+
+Release date: 2015-03-28
+
+Core and Builtins
+-----------------
+
+- Issue #23573: Increased performance of string search operations (str.find,
+  str.index, str.count, the in operator, str.split, str.partition) with
+  arguments of different kinds (UCS1, UCS2, UCS4).
+
+- Issue #23753: Python doesn't support anymore platforms without stat() or
+  fstat(), these functions are always required.
+
+- Issue #23681: The -b option now affects comparisons of bytes with int.
+
+- Issue #23632: Memoryviews now allow tuple indexing (including for
+  multi-dimensional memoryviews).
+
+- Issue #23192: Fixed generator lambdas.  Patch by Bruno Cauet.
+
+- Issue #23629: Fix the default __sizeof__ implementation for variable-sized
+  objects.
+
+Library
+-------
+
+- Issue #14260: The groupindex attribute of regular expression pattern object
+  now is non-modifiable mapping.
+
 - Issue #23792: Ignore KeyboardInterrupt when the pydoc pager is active.
   This mimics the behavior of the standard unix pagers, and prevents
   pipepager from shutting down while the pager itself is still running.
 
+- Issue #23775: pprint() of OrderedDict now outputs the same representation
+  as repr().
+
+- Issue #23765: Removed IsBadStringPtr calls in ctypes
+
+- Issue #22364: Improved some re error messages using regex for hints.
+
 - Issue #23742: ntpath.expandvars() no longer loses unbalanced single quotes.
 
+- Issue #21717: The zipfile.ZipFile.open function now supports 'x' (exclusive
+  creation) mode.
+
 - Issue #21802: The reader in BufferedRWPair now is closed even when closing
   writer failed in BufferedRWPair.close().
 
+- Issue #23622: Unknown escapes in regular expressions that consist of ``'\'``
+  and ASCII letter now raise a deprecation warning and will be forbidden in
+  Python 3.6.
+
 - Issue #23671: string.Template now allows to specify the "self" parameter as
   keyword argument.  string.Formatter now allows to specify the "self" and
   the "format_string" parameters as keyword arguments.
 
-- Issue #21560: An attempt to write a data of wrong type no longer cause
-  GzipFile corruption.  Original patch by Wolfgang Maier.
+- Issue #23502: The pprint module now supports mapping proxies.
+
+- Issue #17530: pprint now wraps long bytes objects and bytearrays.
+
+- Issue #22687: Fixed some corner cases in breaking words in tetxtwrap.
+  Got rid of quadratic complexity in breaking long words.
+
+- Issue #4727: The copy module now uses pickle protocol 4 (PEP 3154) and
+  supports copying of instances of classes whose __new__ method takes
+  keyword-only arguments.
+
+- Issue #23491: Added a zipapp module to support creating executable zip
+  file archives of Python code. Registered ".pyz" and ".pyzw" extensions
+  on Windows for these archives (PEP 441).
+
+- Issue #23657: Avoid explicit checks for str in zipapp, adding support
+  for pathlib.Path objects as arguments.
+
+- Issue #23688: Added support of arbitrary bytes-like objects and avoided
+  unnecessary copying of memoryview in gzip.GzipFile.write().
+  Original patch by Wolfgang Maier.
+
+- Issue #23252:  Added support for writing ZIP files to unseekable streams.
 
 - Issue #23647: Increase impalib's MAXLINE to accommodate modern mailbox sizes.
 
@@ -112,6 +356,23 @@ Library
   and socket open until the garbage collector cleans them up.  Patch by
   Martin Panter.
 
+- Issue #23704: collections.deque() objects now support methods for index(),
+  insert(), and copy().  This allows deques to be registered as a
+  MutableSequence and it improves their substitutablity for lists.
+
+- Issue #23715: :func:`signal.sigwaitinfo` and :func:`signal.sigtimedwait` are
+  now retried when interrupted by a signal not in the *sigset* parameter, if
+  the signal handler does not raise an exception. signal.sigtimedwait()
+  recomputes the timeout with a monotonic clock when it is retried.
+
+- Issue #23001: Few functions in modules mmap, ossaudiodev, socket, ssl, and
+  codecs, that accepted only read-only bytes-like object now accept writable
+  bytes-like object too.
+
+- Issue #23646: If time.sleep() is interrupted by a signal, the sleep is now
+  retried with the recomputed delay, except if the signal handler raises an
+  exception (PEP 475).
+
 - Issue #23136: _strptime now uniformly handles all days in week 0, including
   Dec 30 of previous year.  Based on patch by Jim Carroll.
 
@@ -121,9 +382,31 @@ Library
 - Issue #22903: The fake test case created by unittest.loader when it fails
   importing a test module is now picklable.
 
+- Issue #22181: On Linux, os.urandom() now uses the new getrandom() syscall if
+  available, syscall introduced in the Linux kernel 3.17. It is more reliable
+  and more secure, because it avoids the need of a file descriptor and waits
+  until the kernel has enough entropy.
+
+- Issue #2211: Updated the implementation of the http.cookies.Morsel class.
+  Setting attributes key, value and coded_value directly now is deprecated.
+  update() and setdefault() now transform and check keys.  Comparing for
+  equality now takes into account attributes key, value and coded_value.
+  copy() now returns a Morsel, not a dict.  repr() now contains all attributes.
+  Optimized checking keys and quoting values.  Added new tests.
+  Original patch by Demian Brecht.
+
+- Issue #18983: Allow selection of output units in timeit.
+  Patch by Julian Gindi.
+
+- Issue #23631: Fix traceback.format_list when a traceback has been mutated.
+
 - Issue #23568: Add rdivmod support to MagicMock() objects.
   Patch by Håkan Lövdahl.
 
+- Issue #2052: Add charset parameter to HtmlDiff.make_file().
+
+- Issue #23668: Support os.truncate and os.ftruncate on Windows.
+
 - Issue #23138: Fixed parsing cookies with absent keys or values in cookiejar.
   Patch by Demian Brecht.
 
@@ -131,12 +414,66 @@ Library
   handle exceptions raised by an iterator.  Patch by Alon Diamant and Davin
   Potts.
 
+- Issue #23581: Add matmul support to MagicMock. Patch by Håkan Lövdahl.
+
+- Issue #23566: enable(), register(), dump_traceback() and
+  dump_traceback_later() functions of faulthandler now accept file
+  descriptors. Patch by Wei Wu.
+
 - Issue #22928: Disabled HTTP header injections in http.client.
   Original patch by Demian Brecht.
 
 - Issue #23615: Modules bz2, tarfile and tokenize now can be reloaded with
   imp.reload().  Patch by Thomas Kluyver.
 
+- Issue #23605: os.walk() now calls os.scandir() instead of os.listdir().
+  The usage of os.scandir() reduces the number of calls to os.stat().
+  Initial patch written by Ben Hoyt.
+
+Build
+-----
+
+- Issue #23585: make patchcheck will ensure the interpreter is built.
+
+Tests
+-----
+
+- Issue #23583: Added tests for standard IO streams in IDLE.
+
+- Issue #22289: Prevent test_urllib2net failures due to ftp connection timeout.
+
+Tools/Demos
+-----------
+
+- Issue #22826: The result of open() in Tools/freeze/bkfile.py is now better
+  compatible with regular files (in particular it now supports the context
+  management protocol).
+
+
+What's New in Python 3.5 alpha 2?
+=================================
+
+Release date: 2015-03-09
+
+Core and Builtins
+-----------------
+
+- Issue #23571: PyObject_Call() and PyCFunction_Call() now raise a SystemError
+  if a function returns a result and raises an exception. The SystemError is
+  chained to the previous exception.
+
+Library
+-------
+
+- Issue #22524: New os.scandir() function, part of the PEP 471: "os.scandir()
+  function -- a better and faster directory iterator". Patch written by Ben
+  Hoyt.
+
+- Issue #23103: Reduced the memory consumption of IPv4Address and IPv6Address.
+
+- Issue #21793: BaseHTTPRequestHandler again logs response code as numeric,
+  not as stringified enum.  Patch by Demian Brecht.
+
 - Issue #23476: In the ssl module, enable OpenSSL's X509_V_FLAG_TRUSTED_FIRST
   flag on certificate stores when it is available.
 
@@ -145,8 +482,16 @@ Library
 
 - Issue #23504: Added an __all__ to the types module.
 
+- Issue #23563: Optimized utility functions in urllib.parse.
+
+- Issue #7830: Flatten nested functools.partial.
+
 - Issue #20204: Added the __module__ attribute to _tkinter classes.
 
+- Issue #19980: Improved help() for non-recognized strings.  help('') now
+  shows the help on str.  help('help') now shows the help on help().
+  Original patch by Mark Lawrence.
+
 - Issue #23521: Corrected pure python implementation of timedelta division.
 
  * Eliminated OverflowError from timedelta * float for some floats;
@@ -155,12 +500,17 @@ Library
 - Issue #21619: Popen objects no longer leave a zombie after exit in the with
   statement if the pipe was broken.  Patch by Martin Panter.
 
+- Issue #22936: Make it possible to show local variables in tracebacks for
+  both the traceback module and unittest.
+
+- Issue #15955: Add an option to limit the output size in bz2.decompress().
+  Patch by Nikolaus Rath.
+
 - Issue #6639: Module-level turtle functions no longer raise TclError after
   closing the window.
 
-- Issues #814253, #9179: Warnings now are raised when group references and
-  conditional group references are used in lookbehind assertions in regular
-  expressions.
+- Issues #814253, #9179: Group references and conditional group references now
+  work in lookbehind assertions in regular expressions.
 
 - Issue #23215: Multibyte codecs with custom error handlers that ignores errors
   consumed too much memory and raised SystemError or MemoryError.
@@ -180,31 +530,41 @@ Library
 - Issue #22885: Fixed arbitrary code execution vulnerability in the dbm.dumb
   module.  Original patch by Claudiu Popa.
 
+- Issue #23239: ssl.match_hostname() now supports matching of IP addresses.
+
 - Issue #23146: Fix mishandling of absolute Windows paths with forward
   slashes in pathlib.
 
-- Issue #23421: Fixed compression in tarfile CLI.  Patch by wdv4758h.
+- Issue #23096: Pickle representation of floats with protocol 0 now is the same
+  for both Python and C implementations.
 
-- Issue #23367: Fix possible overflows in the unicodedata module.
+- Issue #19105: pprint now more efficiently uses free space at the right.
 
-- Issue #23361: Fix possible overflow in Windows subprocess creation code.
+- Issue #14910: Add allow_abbrev parameter to argparse.ArgumentParser. Patch by
+  Jonathan Paugh, Steven Bethard, paul j3 and Daniel Eriksson.
 
-- Issue #23801: Fix issue where cgi.FieldStorage did not always ignore the
-  entire preamble to a multipart body.
+- Issue #21717: tarfile.open() now supports 'x' (exclusive creation) mode.
 
-- Issue #23310: Fix MagicMock's initializer to work with __methods__, just
-  like configure_mock().  Patch by Kasia Jachim.
+- Issue #23344: marshal.dumps() is now 20-25% faster on average.
 
-Tests
------
+- Issue #20416: marshal.dumps() with protocols 3 and 4 is now 40-50% faster on
+  average.
 
-- Issue #23799: Added test.support.start_threads() for running and
-  cleaning up multiple threads.
+- Issue #23421: Fixed compression in tarfile CLI.  Patch by wdv4758h.
 
-- Issue #22390: test.regrtest now emits a warning if temporary files or
-  directories are left after running a test.
+- Issue #23367: Fix possible overflows in the unicodedata module.
 
-- Issue #23583: Added tests for standard IO streams in IDLE.
+- Issue #23361: Fix possible overflow in Windows subprocess creation code.
+
+- logging.handlers.QueueListener now takes a respect_handler_level keyword
+  argument which, if set to True, will pass messages to handlers taking handler
+  levels into account.
+
+- Issue #19705: turtledemo now has a visual sorting algorithm demo.  Original
+  patch from Jason Yeo.
+
+- Issue #23801: Fix issue where cgi.FieldStorage did not always ignore the
+  entire preamble to a multipart body.
 
 Build
 -----
@@ -212,32 +572,34 @@ Build
 - Issue #23445: pydebug builds now use "gcc -Og" where possible, to make
   the resulting executable faster.
 
-- Issue #23686: Update OS X 10.5 installer and Windows builds to use
-  OpenSSL 1.0.2a.
+- Issue #23686: Update OS X 10.5 installer build to use OpenSSL 1.0.2a.
 
 C API
 -----
 
-- Issue #23998: PyImport_ReInitLock() now checks for lock allocation error
+- Issue #20204: Deprecation warning is now raised for builtin type without the
+  __module__ attribute.
 
-Documentation
--------------
+Windows
+-------
 
-- Issue #24029: Document the name binding behavior for submodule imports.
+- Issue #23465: Implement PEP 486 - Make the Python Launcher aware of virtual
+  environments. Patch by Paul Moore.
 
-Tools/Demos
------------
+- Issue #23437: Make user scripts directory versioned on Windows. Patch by Paul
+  Moore.
 
-- Issue #24031: make patchcheck now supports git checkouts, too.
 
-What's New in Python 3.4.3?
-===========================
+What's New in Python 3.5 alpha 1?
+=================================
 
-Release date: 2015-02-23
+Release date: 2015-02-08
 
 Core and Builtins
 -----------------
 
+- Issue #23285: PEP 475 - EINTR handling.
+
 - Issue #22735: Fix many edge cases (including crashes) involving custom mro()
   implementations.
 
@@ -247,17 +609,46 @@ Core and Builtins
 - Issue #21295: Revert some changes (issue #16795) to AST line numbers and
   column offsets that constituted a regression.
 
+- Issue #22986: Allow changing an object's __class__ between a dynamic type and
+  static type in some cases.
+
+- Issue #15859: PyUnicode_EncodeFSDefault(), PyUnicode_EncodeMBCS() and
+  PyUnicode_EncodeCodePage() now raise an exception if the object is not an
+  Unicode object. For PyUnicode_EncodeFSDefault(), it was already the case on
+  platforms other than Windows. Patch written by Campbell Barton.
+
 - Issue #21408: The default __ne__() now returns NotImplemented if __eq__()
   returned NotImplemented.  Original patch by Martin Panter.
 
 - Issue #23321: Fixed a crash in str.decode() when error handler returned
   replacment string longer than mailformed input data.
 
+- Issue #22286: The "backslashreplace" error handlers now works with
+  decoding and translating.
+
+- Issue #23253: Delay-load ShellExecute[AW] in os.startfile for reduced
+  startup overhead on Windows.
+
+- Issue #22038: pyatomic.h now uses stdatomic.h or GCC built-in functions for
+  atomic memory access if available. Patch written by Vitor de Lima and Gustavo
+  Temple.
+
+- Issue #20284: %-interpolation (aka printf) formatting added for bytes and
+  bytearray.
+
 - Issue #23048: Fix jumping out of an infinite while loop in the pdb.
 
 - Issue #20335: bytes constructor now raises TypeError when encoding or errors
   is specified with non-string argument.  Based on patch by Renaud Blanch.
 
+- Issue #22834: If the current working directory ends up being set to a
+  non-existent directory then import will no longer raise FileNotFoundError.
+
+- Issue #22869: Move the interpreter startup & shutdown code to a new
+  dedicated pylifecycle.c module
+
+- Issue #22847: Improve method cache efficiency.
+
 - Issue #22335: Fix crash when trying to enlarge a bytearray to 0x7fffffff
   bytes on a 32-bit platform.
 
@@ -267,12 +658,28 @@ Core and Builtins
 - Issue #22643: Fix integer overflow in Unicode case operations (upper, lower,
   title, swapcase, casefold).
 
+- Issue #17636: Circular imports involving relative imports are now
+  supported.
+
 - Issue #22604: Fix assertion error in debug mode when dividing a complex
   number by (nan+0j).
 
+- Issue #21052: Do not raise ImportWarning when sys.path_hooks or sys.meta_path
+  are set to None.
+
+- Issue #16518: Use 'bytes-like object required' in error messages that
+  previously used the far more cryptic "'x' does not support the buffer
+  protocol.
+
 - Issue #22470: Fixed integer overflow issues in "backslashreplace",
   "xmlcharrefreplace", and "surrogatepass" error handlers.
 
+- Issue #22540: speed up `PyObject_IsInstance` and `PyObject_IsSubclass` in the
+  common case that the second argument has metaclass `type`.
+
+- Issue #18711: Add a new `PyErr_FormatV` function, similar to `PyErr_Format`
+  but accepting a `va_list` argument.
+
 - Issue #22520: Fix overflow checking when generating the repr of a unicode
   object.
 
@@ -280,6 +687,138 @@ Core and Builtins
 
 - Issue #22518: Fix integer overflow issues in latin-1 encoding.
 
+- Issue #16324: _charset parameter of MIMEText now also accepts
+  email.charset.Charset instances. Initial patch by Claude Paroz.
+
+- Issue #1764286: Fix inspect.getsource() to support decorated functions.
+  Patch by Claudiu Popa.
+
+- Issue #18554: os.__all__ includes posix functions.
+
+- Issue #21391: Use os.path.abspath in the shutil module.
+
+- Issue #11471: avoid generating a JUMP_FORWARD instruction at the end of
+  an if-block if there is no else-clause.  Original patch by Eugene Toder.
+
+- Issue #22215: Now ValueError is raised instead of TypeError when str or bytes
+  argument contains not permitted null character or byte.
+
+- Issue #22258: Fix the internal function set_inheritable() on Illumos.
+  This platform exposes the function ``ioctl(FIOCLEX)``, but calling it fails
+  with errno is ENOTTY: "Inappropriate ioctl for device". set_inheritable()
+  now falls back to the slower ``fcntl()`` (``F_GETFD`` and then ``F_SETFD``).
+
+- Issue #21389: Displaying the __qualname__ of the underlying function in the
+  repr of a bound method.
+
+- Issue #22206: Using pthread, PyThread_create_key() now sets errno to ENOMEM
+  and returns -1 (error) on integer overflow.
+
+- Issue #20184: Argument Clinic based signature introspection added for
+  30 of the builtin functions.
+
+- Issue #22116: C functions and methods (of the 'builtin_function_or_method'
+  type) can now be weakref'ed.  Patch by Wei Wu.
+
+- Issue #22077: Improve index error messages for bytearrays, bytes, lists,
+  and tuples by adding 'or slices'. Added ', not <typename' for bytearrays.
+  Original patch by Claudiu Popa.
+
+- Issue #20179: Apply Argument Clinic to bytes and bytearray.
+  Patch by Tal Einat.
+
+- Issue #22082: Clear interned strings in slotdefs.
+
+- Upgrade Unicode database to Unicode 7.0.0.
+
+- Issue #21897: Fix a crash with the f_locals attribute with closure
+  variables when frame.clear() has been called.
+
+- Issue #21205: Add a new ``__qualname__`` attribute to generator, the
+  qualified name, and use it in the representation of a generator
+  (``repr(gen)``). The default name of the generator (``__name__`` attribute)
+  is now get from the function instead of the code. Use ``gen.gi_code.co_name``
+  to get the name of the code.
+
+- Issue #21669: With the aid of heuristics in SyntaxError.__init__, the
+  parser now attempts to generate more meaningful (or at least more search
+  engine friendly) error messages when "exec" and "print" are used as
+  statements.
+
+- Issue #21642: If the conditional if-else expression, allow an integer written
+  with no space between itself and the ``else`` keyword (e.g. ``True if 42else
+  False``) to be valid syntax.
+
+- Issue #21523: Fix over-pessimistic computation of the stack effect of
+  some opcodes in the compiler.  This also fixes a quadratic compilation
+  time issue noticeable when compiling code with a large number of "and"
+  and "or" operators.
+
+- Issue #21418: Fix a crash in the builtin function super() when called without
+  argument and without current frame (ex: embedded Python).
+
+- Issue #21425: Fix flushing of standard streams in the interactive
+  interpreter.
+
+- Issue #21435: In rare cases, when running finalizers on objects in cyclic
+  trash a bad pointer dereference could occur due to a subtle flaw in
+  internal iteration logic.
+
+- Issue #21377: PyBytes_Concat() now tries to concatenate in-place when the
+  first argument has a reference count of 1.  Patch by Nikolaus Rath.
+
+- Issue #20355: -W command line options now have higher priority than the
+  PYTHONWARNINGS environment variable.  Patch by Arfrever.
+
+- Issue #21274: Define PATH_MAX for GNU/Hurd in Python/pythonrun.c.
+
+- Issue #20904: Support setting FPU precision on m68k.
+
+- Issue #21209: Fix sending tuples to custom generator objects with the yield
+  from syntax.
+
+- Issue #21193: pow(a, b, c) now raises ValueError rather than TypeError when b
+  is negative.  Patch by Josh Rosenberg.
+
+- PEP 465 and Issue #21176: Add the '@' operator for matrix multiplication.
+
+- Issue #21134: Fix segfault when str is called on an uninitialized
+  UnicodeEncodeError, UnicodeDecodeError, or UnicodeTranslateError object.
+
+- Issue #19537: Fix PyUnicode_DATA() alignment under m68k.  Patch by
+  Andreas Schwab.
+
+- Issue #20929: Add a type cast to avoid shifting a negative number.
+
+- Issue #20731: Properly position in source code files even if they
+  are opened in text mode. Patch by Serhiy Storchaka.
+
+- Issue #20637: Key-sharing now also works for instance dictionaries of
+  subclasses.  Patch by Peter Ingebretson.
+
+- Issue #8297: Attributes missing from modules now include the module name
+  in the error text.  Original patch by ysj.ray.
+
+- Issue #19995: %c, %o, %x, and %X now raise TypeError on non-integer input.
+
+- Issue #19655: The ASDL parser - used by the build process to generate code for
+  managing the Python AST in C - was rewritten. The new parser is self contained
+  and does not require to carry long the spark.py parser-generator library;
+  spark.py was removed from the source base.
+
+- Issue #12546: Allow \x00 to be used as a fill character when using str, int,
+  float, and complex __format__ methods.
+
+- Issue #20480: Add ipaddress.reverse_pointer. Patch by Leon Weber.
+
+- Issue #13598: Modify string.Formatter to support auto-numbering of
+  replacement fields. It now matches the behavior of str.format() in
+  this regard. Patches by Phil Elson and Ramchandra Apte.
+
+- Issue #8931: Make alternate formatting ('#') for type 'c' raise an
+  exception. In versions prior to 3.5, '#' with 'c' had no effect. Now
+  specifying it is an error.  Patch by Torsten Landschoff.
+
 - Issue #23165: Perform overflow checks before allocating memory in the
   _Py_char2wchar function.
 
@@ -288,9 +827,24 @@ Library
 
 - Issue #23399: pyvenv creates relative symlinks where possible.
 
+- Issue #20289: cgi.FieldStorage() now supports the context management
+  protocol.
+
+- Issue #13128: Print response headers for CONNECT requests when debuglevel
+  > 0. Patch by Demian Brecht.
+
+- Issue #15381: Optimized io.BytesIO to make less allocations and copyings.
+
+- Issue #22818: Splitting on a pattern that could match an empty string now
+  raises a warning.  Patterns that can only match empty strings are now
+  rejected.
+
 - Issue #23099: Closing io.BytesIO with exported buffer is rejected now to
   prevent corrupting exported buffer.
 
+- Issue #23326: Removed __ne__ implementations.  Since fixing default __ne__
+  implementation in issue #21408 they are redundant.
+
 - Issue #23363: Fix possible overflow in itertools.permutations.
 
 - Issue #23364: Fix possible overflow in itertools.product.
@@ -306,6 +860,14 @@ Library
   is now always restored or swapped, not only if why is WHY_YIELD or
   WHY_RETURN. Patch co-written with Antoine Pitrou.
 
+- Issue #14099: Restored support of writing ZIP files to tellable but
+  non-seekable streams.
+
+- Issue #14099: Writing to ZipFile and reading multiple ZipExtFiles is
+  threadsafe now.
+
+- Issue #19361: JSON decoder now raises JSONDecodeError instead of ValueError.
+
 - Issue #18518: timeit now rejects statements which can't be compiled outside
   a function or a loop (e.g. "return" or "break").
 
@@ -320,47 +882,85 @@ Library
 - Issue #19996: :class:`email.feedparser.FeedParser` now handles (malformed)
   headers with no key rather than assuming the body has started.
 
+- Issue #20188: Support Application-Layer Protocol Negotiation (ALPN) in the ssl
+  module.
+
+- Issue #23133: Pickling of ipaddress objects now produces more compact and
+  portable representation.
+
 - Issue #23248: Update ssl error codes from latest OpenSSL git master.
 
+- Issue #23266: Much faster implementation of ipaddress.collapse_addresses()
+  when there are many non-consecutive addresses.
+
 - Issue #23098: 64-bit dev_t is now supported in the os module.
 
+- Issue #21817: When an exception is raised in a task submitted to a
+  ProcessPoolExecutor, the remote traceback is now displayed in the
+  parent process.  Patch by Claudiu Popa.
+
+- Issue #15955: Add an option to limit output size when decompressing LZMA
+  data.  Patch by Nikolaus Rath and Martin Panter.
+
 - Issue #23250: In the http.cookies module, capitalize "HttpOnly" and "Secure"
   as they are written in the standard.
 
 - Issue #23063: In the disutils' check command, fix parsing of reST with code or
   code-block directives.
 
-- Issue #23209, #23225: selectors.BaseSelector.close() now clears its internal
-  reference to the selector mapping to break a reference cycle. Initial patch
-  written by Martin Richard.
+- Issue #23209, #23225: selectors.BaseSelector.get_key() now raises a
+  RuntimeError if the selector is closed. And selectors.BaseSelector.close()
+  now clears its internal reference to the selector mapping to break a
+  reference cycle. Initial patch written by Martin Richard.
 
-- Issue #21356: Make ssl.RAND_egd() optional to support LibreSSL. The
-  availability of the function is checked during the compilation. Patch written
-  by Bernard Spil.
+- Issue #17911: Provide a way to seed the linecache for a PEP-302 module
+  without actually loading the code.
 
-- Issue #20896, #22935: The :func:`ssl.get_server_certificate` function now
-  uses the :data:`~ssl.PROTOCOL_SSLv23` protocol by default, not
-  :data:`~ssl.PROTOCOL_SSLv3`, for maximum compatibility and support platforms
-  where :data:`~ssl.PROTOCOL_SSLv3` support is disabled.
+- Issue #17911: Provide a new object API for traceback, including the ability
+  to not lookup lines at all until the traceback is actually rendered, without
+  any trace of the original objects being kept alive.
 
-- Issue #23111: In the ftplib, make ssl.PROTOCOL_SSLv23 the default protocol
-  version.
+- Issue #19777: Provide a home() classmethod on Path objects.  Contributed
+  by Victor Salgado and Mayank Tripathi.
 
-- Issue #23132: Mitigate regression in speed and clarity in functools.total_ordering.
+- Issue #23206: Make ``json.dumps(..., ensure_ascii=False)`` as fast as the
+  default case of ``ensure_ascii=True``.  Patch by Naoki Inada.
 
-- Issue #22585: On OpenBSD 5.6 and newer, os.urandom() now calls getentropy(),
-  instead of reading /dev/urandom, to get pseudo-random bytes.
+- Issue #23185: Add math.inf and math.nan constants.
+
+- Issue #23186: Add ssl.SSLObject.shared_ciphers() and
+  ssl.SSLSocket.shared_ciphers() to fetch the client's list ciphers sent at
+  handshake.
+
+- Issue #23143: Remove compatibility with OpenSSLs older than 0.9.8.
+
+- Issue #23132: Improve performance and introspection support of comparison
+  methods created by functool.total_ordering.
+
+- Issue #19776: Add a expanduser() method on Path objects.
 
 - Issue #23112: Fix SimpleHTTPServer to correctly carry the query string and
   fragment when it redirects to add a trailing slash.
 
+- Issue #21793: Added http.HTTPStatus enums (i.e. HTTPStatus.OK,
+  HTTPStatus.NOT_FOUND).  Patch by Demian Brecht.
+
 - Issue #23093: In the io, module allow more operations to work on detached
   streams.
 
+- Issue #23111: In the ftplib, make ssl.PROTOCOL_SSLv23 the default protocol
+  version.
+
+- Issue #22585: On OpenBSD 5.6 and newer, os.urandom() now calls getentropy(),
+  instead of reading /dev/urandom, to get pseudo-random bytes.
+
 - Issue #19104: pprint now produces evaluable output for wrapped strings.
 
 - Issue #23071: Added missing names to codecs.__all__.  Patch by Martin Panter.
 
+- Issue #22783: Pickling now uses the NEWOBJ opcode instead of the NEWOBJ_EX
+  opcode if possible.
+
 - Issue #15513: Added a __sizeof__ implementation for pickle classes.
 
 - Issue #19858: pickletools.optimize() now aware of the MEMOIZE opcode, can
@@ -382,12 +982,25 @@ Library
 - Issue #1218234: Fix inspect.getsource() to load updated source of
   reloaded module. Initial patch by Berker Peksag.
 
+- Issue #21740: Support wrapped callables in doctest. Patch by Claudiu Popa.
+
+- Issue #23009: Make sure selectors.EpollSelecrtor.select() works when no
+  FD is registered.
+
 - Issue #22959: In the constructor of http.client.HTTPSConnection, prefer the
   context's check_hostname attribute over the *check_hostname* parameter.
 
+- Issue #22696: Add function :func:`sys.is_finalizing` to know about
+  interpreter shutdown.
+
 - Issue #16043: Add a default limit for the amount of data xmlrpclib.gzip_decode
   will return. This resolves CVE-2013-1753.
 
+- Issue #14099: ZipFile.open() no longer reopen the underlying file.  Objects
+  returned by ZipFile.open() can now operate independently of the ZipFile even
+  if the ZipFile was created by passing in a file-like object as the first
+  argument to the constructor.
+
 - Issue #22966: Fix __pycache__ pyc file name clobber when pyc_compile is
   asked to compile a source file containing multiple dots in the source file
   name.
@@ -397,14 +1010,30 @@ Library
 - Issue #21032. Fixed socket leak if HTTPConnection.getresponse() fails.
   Original patch by Martin Panter.
 
+- Issue #22407: Deprecated the use of re.LOCALE flag with str patterns or
+  re.ASCII. It was newer worked.
+
+- Issue #22902: The "ip" command is now used on Linux to determine MAC address
+  in uuid.getnode().  Pach by Bruno Cauet.
+
 - Issue #22960: Add a context argument to xmlrpclib.ServerProxy constructor.
 
+- Issue #22389: Add contextlib.redirect_stderr().
+
+- Issue #21356: Make ssl.RAND_egd() optional to support LibreSSL. The
+  availability of the function is checked during the compilation. Patch written
+  by Bernard Spil.
+
 - Issue #22915: SAX parser now supports files opened with file descriptor or
   bytes path.
 
 - Issue #22609: Constructors and update methods of mapping classes in the
   collections module now accept the self keyword argument.
 
+- Issue #22940: Add readline.append_history_file.
+
+- Issue #19676: Added the "namereplace" error handler.
+
 - Issue #22788: Add *context* parameter to logging.handlers.HTTPHandler.
 
 - Issue #22921: Allow SSLContext to take the *hostname* parameter even if
@@ -413,14 +1042,19 @@ Library
 - Issue #22894: TestCase.subTest() would cause the test suite to be stopped
   when in failfast mode, even in the absence of failures.
 
-- Issue #22638: SSLv3 is now disabled throughout the standard library.
-  It can still be enabled by instantiating a SSLContext manually.
+- Issue #22796: HTTP cookie parsing is now stricter, in order to protect
+  against potential injection attacks.
 
 - Issue #22370: Windows detection in pathlib is now more robust.
 
 - Issue #22841: Reject coroutines in asyncio add_signal_handler().
   Patch by Ludovic.Gasc.
 
+- Issue #19494: Added urllib.request.HTTPBasicPriorAuthHandler. Patch by
+  Matej Cepl.
+
+- Issue #22578: Added attributes to the re.error class.
+
 - Issue #22849: Fix possible double free in the io.TextIOWrapper constructor.
 
 - Issue #12728: Different Unicode characters having the same uppercase but
@@ -429,6 +1063,14 @@ Library
 - Issue #22821: Fixed fcntl() with integer argument on 64-bit big-endian
   platforms.
 
+- Issue #21650: Add an `--sort-keys` option to json.tool CLI.
+
+- Issue #22824:  Updated reprlib output format for sets to use set literals.
+  Patch contributed by Berker Peksag.
+
+- Issue #22824:  Updated reprlib output format for arrays to display empty
+  arrays without an unnecessary empty list.  Suggested by Serhiy Storchaka.
+
 - Issue #22406: Fixed the uu_codec codec incorrectly ported to 3.x.
   Based on patch by Martin Panter.
 
@@ -442,16 +1084,15 @@ Library
 - Issue #22775: Fixed unpickling of http.cookies.SimpleCookie with protocol 2
   and above.  Patch by Tim Graham.
 
-- Issue #22366: urllib.request.urlopen will accept a context object
-  (SSLContext) as an argument which will then used be for HTTPS connection.
-  Patch by Alex Gaynor.
-
 - Issue #22776: Brought excluded code into the scope of a try block in
   SysLogHandler.emit().
 
 - Issue #22665: Add missing get_terminal_size and SameFileError to
   shutil.__all__.
 
+- Issue #6623: Remove deprecated Netrc class in the ftplib module. Patch by
+  Matt Chaput.
+
 - Issue #17381: Fixed handling of case-insensitive ranges in regular
   expressions.
 
@@ -465,18 +1106,53 @@ Library
   doesn't work.  This allows use with special filesystems such as VirtualBox
   shared folders.
 
+- Issue #22217: Implemented reprs of classes in the zipfile module.
+
+- Issue #22457: Honour load_tests in the start_dir of discovery.
+
+- Issue #18216: gettext now raises an error when a .mo file has an
+  unsupported major version number.  Patch by Aaron Hill.
+
+- Issue #13918: Provide a locale.delocalize() function which can remove
+  locale-specific number formatting from a string representing a number,
+  without then converting it to a specific type.  Patch by Cédric Krier.
+
+- Issue #22676: Make the pickling of global objects which don't have a
+  __module__ attribute less slow.
+
 - Issue #18853: Fixed ResourceWarning in shlex.__nain__.
 
 - Issue #9351: Defaults set with set_defaults on an argparse subparser
   are no longer ignored when also set on the parent parser.
 
+- Issue #7559: unittest test loading ImportErrors are reported as import errors
+  with their import exception rather than as attribute errors after the import
+  has already failed.
+
+- Issue #19746: Make it possible to examine the errors from unittest
+  discovery without executing the test suite. The new `errors` attribute
+  on TestLoader exposes these non-fatal errors encountered during discovery.
+
 - Issue #21991: Make email.headerregistry's header 'params' attributes
   be read-only (MappingProxyType).  Previously the dictionary was modifiable
   but a new one was created on each access of the attribute.
 
+- Issue #22638: SSLv3 is now disabled throughout the standard library.
+  It can still be enabled by instantiating a SSLContext manually.
+
 - Issue #22641: In asyncio, the default SSL context for client connections
   is now created using ssl.create_default_context(), for stronger security.
 
+- Issue #17401: Include closefd in io.FileIO repr.
+
+- Issue #21338: Add silent mode for compileall. quiet parameters of
+  compile_{dir, file, path} functions now have a multilevel value. Also,
+  -q option of the CLI now have a multilevel value. Patch by Thomas Kluyver.
+
+- Issue #20152: Convert the array and cmath modules to Argument Clinic.
+
+- Issue #18643: Add socket.socketpair() on Windows.
+
 - Issue #22435: Fix a file descriptor leak when SocketServer bind fails.
 
 - Issue #13096: Fixed segfault in CTypes POINTER handling of large
@@ -485,9 +1161,19 @@ Library
 - Issue #11694: Raise ConversionError in xdrlib as documented.  Patch
   by Filip Gruszczyński and Claudiu Popa.
 
+- Issue #19380: Optimized parsing of regular expressions.
+
+- Issue #1519638: Now unmatched groups are replaced with empty strings in re.sub()
+  and re.subn().
+
+- Issue #18615: sndhdr.what/whathdr now return a namedtuple.
+
 - Issue #22462: Fix pyexpat's creation of a dummy frame to make it
   appear in exception tracebacks.
 
+- Issue #21965: Add support for in-memory SSL to the ssl module.  Patch
+  by Geert Jansen.
+
 - Issue #21173: Fix len() on a WeakKeyDictionary when .clear() was called
   with an iterator alive.
 
@@ -497,167 +1183,65 @@ Library
 - Issue #21905: Avoid RuntimeError in pickle.whichmodule() when sys.modules
   is mutated while iterating.  Patch by Olivier Grisel.
 
+- Issue #11271: concurrent.futures.Executor.map() now takes a *chunksize*
+  argument to allow batching of tasks in child processes and improve
+  performance of ProcessPoolExecutor.  Patch by Dan O'Reilly.
+
+- Issue #21883: os.path.join() and os.path.relpath() now raise a TypeError with
+  more helpful error message for unsupported or mismatched types of arguments.
+
 - Issue #22219: The zipfile module CLI now adds entries for directories
   (including empty directories) in ZIP file.
 
 - Issue #22449: In the ssl.SSLContext.load_default_certs, consult the
   environmental variables SSL_CERT_DIR and SSL_CERT_FILE on Windows.
 
+- Issue #22508: The email.__version__ variable has been removed; the email
+  code is no longer shipped separately from the stdlib, and __version__
+  hasn't been updated in several releases.
+
 - Issue #20076: Added non derived UTF-8 aliases to locale aliases table.
 
 - Issue #20079: Added locales supported in glibc 2.18 to locale alias table.
 
-- Issue #22396: On 32-bit AIX platform, don't expose os.posix_fadvise() nor
-  os.posix_fallocate() because their prototypes in system headers are wrong.
+- Issue #20218: Added convenience methods read_text/write_text and read_bytes/
+  write_bytes to pathlib.Path objects.
 
-- Issue #22517: When a io.BufferedRWPair object is deallocated, clear its
-  weakrefs.
+- Issue #22437: Number of capturing groups in regular expression is no longer
+  limited by 100.
 
-- Issue #22448: Improve canceled timer handles cleanup to prevent
-  unbound memory usage. Patch by Joshua Moore-Oliva.
-
-- Issue #23009: Make sure selectors.EpollSelecrtor.select() works when no
-  FD is registered.
-
-IDLE
-----
-
-- Issue #20577: Configuration of the max line length for the FormatParagraph
-  extension has been moved from the General tab of the Idle preferences dialog
-  to the FormatParagraph tab of the Config Extensions dialog.
-  Patch by Tal Einat.
-
-- Issue #16893: Update Idle doc chapter to match current Idle and add new
-  information.
-
-- Issue #3068: Add Idle extension configuration dialog to Options menu.
-  Changes are written to HOME/.idlerc/config-extensions.cfg.
-  Original patch by Tal Einat.
-
-- Issue #16233: A module browser (File : Class Browser, Alt+C) requires a
-  editor window with a filename.  When Class Browser is requested otherwise,
-  from a shell, output window, or 'Untitled' editor, Idle no longer displays
-  an error box.  It now pops up an  Open Module box (Alt+M). If a valid name
-  is entered and a module is opened, a corresponding browser is also opened.
-
-- Issue #4832: Save As to type Python files automatically adds .py to the
-  name you enter (even if your system does not display it).  Some systems
-  automatically add .txt when type is Text files.
-
-- Issue #21986: Code objects are not normally pickled by the pickle module.
-  To match this, they are no longer pickled when running under Idle.
-
-- Issue #23180: Rename IDLE "Windows" menu item to "Window".
-  Patch by Al Sweigart.
-
-Tests
------
+- Issue #17442: InteractiveInterpreter now displays the full chained traceback
+  in its showtraceback method, to match the built in interactive interpreter.
 
 - Issue #23392: Added tests for marshal C API that works with FILE*.
 
-- Issue #18982: Add tests for CLI of the calendar module.
-
-- Issue #19548: Added some additional checks to test_codecs to ensure that
-  statements in the updated documentation remain accurate. Patch by Martin
-  Panter.
-
-- Issue #22838: All test_re tests now work with unittest test discovery.
-
-- Issue #22173: Update lib2to3 tests to use unittest test discovery.
-
-- Issue #16000: Convert test_curses to use unittest.
-
-- Issue #21456: Skip two tests in test_urllib2net.py if _ssl module not
-  present. Patch by Remi Pointel.
-
-- Issue #22770: Prevent some Tk segfaults on OS X when running gui tests.
-
-- Issue #23211: Workaround test_logging failure on some OS X 10.6 systems.
-
-- Issue #23345: Prevent test_ssl failures with large OpenSSL patch level
-  values (like 0.9.8zc).
-
-- Issue #22289: Prevent test_urllib2net failures due to ftp connection timeout.
-
-Build
------
-
-- Issue #15506: Use standard PKG_PROG_PKG_CONFIG autoconf macro in the configure
-  script.
-
-- Issue #22935: Allow the ssl module to be compiled if openssl doesn't support
-  SSL 3.
-
-- Issue #16537: Check whether self.extensions is empty in setup.py. Patch by
-  Jonathan Hosmer.
-
-- Issue #18096: Fix library order returned by python-config.
-
-- Issue #17219: Add library build dir for Python extension cross-builds.
-
-- Issue #17128: Use private version of OpenSSL for 3.4.3 OS X 10.5+ installer.
-
-C API
------
-
-- Issue #22079: PyType_Ready() now checks that statically allocated type has
-  no dynamically allocated bases.
-
-Documentation
--------------
-
-- Issue #19548: Update the codecs module documentation to better cover the
-  distinction between text encodings and other codecs, together with other
-  clarifications. Patch by Martin Panter.
-
-- Issue #22914: Update the Python 2/3 porting HOWTO to describe a more automated
-  approach.
-
-- Issue #21514: The documentation of the json module now refers to new JSON RFC
-  7159 instead of obsoleted RFC 4627.
-
-Tools/Demos
------------
-
-- Issue #22314: pydoc now works when the LINES environment variable is set.
-
-Windows
--------
-
-- Issue #17896: The Windows build scripts now expect external library sources
-  to be in ``PCbuild\..\externals`` rather than ``PCbuild\..\..``.
-
-- Issue #17717: The Windows build scripts now use a copy of NASM pulled from
-  svn.python.org to build OpenSSL.
-
-- Issue #22644: The bundled version of OpenSSL has been updated to 1.0.1j.
-
-What's New in Python 3.4.2?
-===========================
-
-Release date: 2014-10-06
-
-Core and Builtins
------------------
-
-Library
--------
-
 - Issue #10510: distutils register and upload methods now use HTML standards
   compliant CRLF line endings.
 
 - Issue #9850: Fixed macpath.join() for empty first component.  Patch by
   Oleg Oshmyan.
 
+- Issue #5309: distutils' build and build_ext commands now accept a ``-j``
+  option to enable parallel building of extension modules.
+
+- Issue #22448: Improve canceled timer handles cleanup to prevent
+  unbound memory usage. Patch by Joshua Moore-Oliva.
+
 - Issue #22427: TemporaryDirectory no longer attempts to clean up twice when
   used in the with statement in generator.
 
+- Issue #22362: Forbidden ambiguous octal escapes out of range 0-0o377 in
+  regular expressions.
+
 - Issue #20912: Now directories added to ZIP file have correct Unix and MS-DOS
   directory attributes.
 
 - Issue #21866: ZipFile.close() no longer writes ZIP64 central directory
   records if allowZip64 is false.
 
+- Issue #22278: Fix urljoin problem with relative urls, a regression observed
+  after changes to issue22118 were submitted.
+
 - Issue #22415: Fixed debugging output of the GROUPREF_EXISTS opcode in the re
   module.  Removed trailing spaces in debugging output.
 
@@ -667,47 +1251,18 @@ Library
 - Issue #21332: Ensure that ``bufsize=1`` in subprocess.Popen() selects
   line buffering, rather than block buffering.  Patch by Akira Li.
 
-
-What's New in Python 3.4.2rc1?
-==============================
-
-Release date: 2014-09-22
-
-Core and Builtins
------------------
-
-- Issue #22258: Fix the the internal function set_inheritable() on Illumos.
-  This platform exposes the function ``ioctl(FIOCLEX)``, but calling it fails
-  with errno is ENOTTY: "Inappropriate ioctl for device". set_inheritable()
-  now falls back to the slower ``fcntl()`` (``F_GETFD`` and then ``F_SETFD``).
-
-- Issue #21669: With the aid of heuristics in SyntaxError.__init__, the
-  parser now attempts to generate more meaningful (or at least more search
-  engine friendly) error messages when "exec" and "print" are used as
-  statements.
-
-- Issue #21642: If the conditional if-else expression, allow an integer written
-  with no space between itself and the ``else`` keyword (e.g. ``True if 42else
-  False``) to be valid syntax.
-
-- Issue #21523: Fix over-pessimistic computation of the stack effect of
-  some opcodes in the compiler.  This also fixes a quadratic compilation
-  time issue noticeable when compiling code with a large number of "and"
-  and "or" operators.
-
-Library
--------
-
 - Issue #21091: Fix API bug: email.message.EmailMessage.is_attachment is now
-  a method.  Since EmailMessage is provisional, we can change the API in a
-  maintenance release, but we use a trick to remain backward compatible with
-  3.4.0/1.
+  a method.
 
 - Issue #21079: Fix email.message.EmailMessage.is_attachment to return the
   correct result when the header has parameters as well as a value.
 
 - Issue #22247: Add NNTPError to nntplib.__all__.
 
+- Issue #22366: urllib.request.urlopen will accept a context object
+  (SSLContext) as an argument which will then used be for HTTPS connection.
+  Patch by Alex Gaynor.
+
 - Issue #4180: The warnings registries are now reset when the filters
   are modified.
 
@@ -719,6 +1274,9 @@ Library
   with non-standard cookie handling in some Web browsers.  Reported by
   Sergey Bobrov.
 
+- Issue #20537: logging methods now accept an exception instance as well as a
+  Boolean value or exception tuple. Thanks to Yury Selivanov for the patch.
+
 - Issue #22384: An exception in Tkinter callback no longer crashes the program
   when it is run with pythonw.exe.
 
@@ -727,6 +1285,9 @@ Library
 - Issue #21147: sqlite3 now raises an exception if the request contains a null
   character instead of truncate it.  Based on patch by Victor Stinner.
 
+- Issue #13968: The glob module now supports recursive search in
+  subdirectories using the "**" pattern.
+
 - Issue #21951: Fixed a crash in Tkinter on AIX when called Tcl command with
   empty string or tuple argument.
 
@@ -735,12 +1296,31 @@ Library
 
 - Issue #22338: Fix a crash in the json module on memory allocation failure.
 
+- Issue #12410: imaplib.IMAP4 now supports the context management protocol.
+  Original patch by Tarek Ziadé.
+
+- Issue #21270: We now override tuple methods in mock.call objects so that
+  they can be used as normal call attributes.
+
+- Issue #16662: load_tests() is now unconditionally run when it is present in
+  a package's __init__.py.  TestLoader.loadTestsFromModule() still accepts
+  use_load_tests, but it is deprecated and ignored.  A new keyword-only
+  attribute `pattern` is added and documented.  Patch given by Robert Collins,
+  tweaked by Barry Warsaw.
+
 - Issue #22226: First letter no longer is stripped from the "status" key in
   the result of Treeview.heading().
 
 - Issue #19524: Fixed resource leak in the HTTP connection when an invalid
   response is received.  Patch by Martin Panter.
 
+- Issue #20421: Add a .version() method to SSL sockets exposing the actual
+  protocol version in use.
+
+- Issue #19546: configparser exceptions no longer expose implementation details.
+  Chained KeyErrors are removed, which leads to cleaner tracebacks.  Patch by
+  Claudiu Popa.
+
 - Issue #22051: turtledemo no longer reloads examples to re-run them.
   Initialization of variables and gui setup should be done in main(),
   which is called each time a demo is run, but not on import.
@@ -757,23 +1337,57 @@ Library
 - Issue #18132: Turtledemo buttons no longer disappear when the window is
   shrunk.  Original patches by Jan Kanis and Lita Cho.
 
+- Issue #22043: time.monotonic() is now always available.
+  ``threading.Lock.acquire()``, ``threading.RLock.acquire()`` and socket
+  operations now use a monotonic clock, instead of the system clock, when a
+  timeout is used.
+
+- Issue #21527: Add a default number of workers to ThreadPoolExecutor equal
+  to 5 times the number of CPUs.  Patch by Claudiu Popa.
+
 - Issue #22216: smtplib now resets its state more completely after a quit.  The
   most obvious consequence of the previous behavior was a STARTTLS failure
   during a connect/starttls/quit/connect/starttls sequence.
 
+- Issue #22098: ctypes' BigEndianStructure and LittleEndianStructure now
+  define an empty __slots__ so that subclasses don't always get an instance
+  dict.  Patch by Claudiu Popa.
+
 - Issue #22185: Fix an occasional RuntimeError in threading.Condition.wait()
   caused by mutation of the waiters queue without holding the lock.  Patch
   by Doug Zongker.
 
+- Issue #22287: On UNIX, _PyTime_gettimeofday() now uses
+  clock_gettime(CLOCK_REALTIME) if available. As a side effect, Python now
+  depends on the librt library on Solaris and on Linux (only with glibc older
+  than 2.17).
+
 - Issue #22182: Use e.args to unpack exceptions correctly in
   distutils.file_util.move_file. Patch by Claudiu Popa.
 
 - The webbrowser module now uses subprocess's start_new_session=True rather
   than a potentially risky preexec_fn=os.setsid call.
 
+- Issue #22042: signal.set_wakeup_fd(fd) now raises an exception if the file
+  descriptor is in blocking mode.
+
+- Issue #16808: inspect.stack() now returns a named tuple instead of a tuple.
+  Patch by Daniel Shahaf.
+
 - Issue #22236: Fixed Tkinter images copying operations in NoDefaultRoot mode.
 
-- Issue #22191: Fix warnings.__all__.
+- Issue #2527: Add a *globals* argument to timeit functions, in order to
+  override the globals namespace in which the timed code is executed.
+  Patch by Ben Roberts.
+
+- Issue #22118: Switch urllib.parse to use RFC 3986 semantics for the
+  resolution of relative URLs, rather than RFCs 1808 and 2396.
+  Patch by Demian Brecht.
+
+- Issue #21549: Added the "members" parameter to TarFile.list().
+
+- Issue #19628: Allow compileall recursion depth to be specified with a -r
+  option.
 
 - Issue #15696: Add a __sizeof__ implementation for mmap objects on Windows.
 
@@ -781,6 +1395,8 @@ Library
 
 - Issue #22165: SimpleHTTPRequestHandler now supports undecodable file names.
 
+- Issue #15381: Optimized line reading in io.BytesIO.
+
 - Issue #8797: Raise HTTPError on failed Basic Authentication immediately.
   Initial patch by Sam Bull.
 
@@ -796,6 +1412,14 @@ Library
 - Issue #17923: glob() patterns ending with a slash no longer match non-dirs on
   AIX.  Based on patch by Delhallt.
 
+- Issue #21725: Added support for RFC 6531 (SMTPUTF8) in smtpd.
+
+- Issue #22176: Update the ctypes module's libffi to v3.1.  This release
+  adds support for the Linux AArch64 and POWERPC ELF ABIv2 little endian
+  architectures.
+
+- Issue #5411: Added support for the "xztar" format in the shutil module.
+
 - Issue #21121: Don't force 3rd party C extensions to be built with
   -Werror=declaration-after-statement.
 
@@ -803,18 +1427,57 @@ Library
   when unpickling pickled sqlite3.Row).  sqlite3.Row is now initialized in the
   __new__() method.
 
+- Issue #20170: Convert posixmodule to use Argument Clinic.
+
+- Issue #21539: Add a *exists_ok* argument to `Pathlib.mkdir()` to mimic
+  `mkdir -p` and `os.makedirs()` functionality.  When true, ignore
+  FileExistsErrors.  Patch by Berker Peksag.
+
+- Issue #22127: Bypass IDNA for pure-ASCII host names in the socket module
+  (in particular for numeric IPs).
+
+- Issue #21047: set the default value for the *convert_charrefs* argument
+  of HTMLParser to True.  Patch by Berker Peksag.
+
+- Add an __all__ to html.entities.
+
+- Issue #15114: the strict mode and argument of HTMLParser, HTMLParser.error,
+  and the HTMLParserError exception have been removed.
+
+- Issue #22085: Dropped support of Tk 8.3 in Tkinter.
+
 - Issue #21580: Now Tkinter correctly handles bytes arguments passed to Tk.
   In particular this allows to initialize images from binary data.
 
+- Issue #22003: When initialized from a bytes object, io.BytesIO() now
+  defers making a copy until it is mutated, improving performance and
+  memory use on some use cases.  Patch by David Wilson.
+
+- Issue #22018: On Windows, signal.set_wakeup_fd() now also supports sockets.
+  A side effect is that Python depends to the WinSock library.
+
+- Issue #22054: Add os.get_blocking() and os.set_blocking() functions to get
+  and set the blocking mode of a file descriptor (False if the O_NONBLOCK flag
+  is set, True otherwise). These functions are not available on Windows.
+
 - Issue #17172: Make turtledemo start as active on OS X even when run with
   subprocess.  Patch by Lita Cho.
 
 - Issue #21704: Fix build error for _multiprocessing when semaphores
   are not available.  Patch by Arfrever Frehtes Taifersar Arahesis.
 
+- Issue #20173: Convert sha1, sha256, sha512 and md5 to ArgumentClinic.
+  Patch by Vajrasky Kok.
+
 - Fix repr(_socket.socket) on Windows 64-bit: don't fail with OverflowError
   on closed socket. repr(socket.socket) already works fine.
 
+- Issue #22033: Reprs of most Python implemened classes now contain actual
+  class name instead of hardcoded one.
+
+- Issue #21947: The dis module can now disassemble generator-iterator
+  objects based on their gi_code attribute. Patch by Clement Rouault.
+
 - Issue #16133: The asynchat.async_chat.handle_read() method now ignores
   BlockingIOError exceptions.
 
@@ -826,16 +1489,42 @@ Library
   sequence is used on some terminal (ex: TERM=xterm-256color") to enable
   support of 8 bit characters.
 
+- Issue #4350: Removed a number of out-of-dated and non-working for a long time
+  Tkinter methods.
+
+- Issue #6167: Scrollbar.activate() now returns the name of active element if
+  the argument is not specified.  Scrollbar.set() now always accepts only 2
+  arguments.
+
+- Issue #15275: Clean up and speed up the ntpath module.
+
 - Issue #21888: plistlib's load() and loads() now work if the fmt parameter is
   specified.
 
+- Issue #22032: __qualname__ instead of __name__ is now always used to format
+  fully qualified class names of Python implemented classes.
+
+- Issue #22031: Reprs now always use hexadecimal format with the "0x" prefix
+  when contain an id in form " at 0x...".
+
+- Issue #22018: signal.set_wakeup_fd() now raises an OSError instead of a
+  ValueError on ``fstat()`` failure.
+
 - Issue #21044: tarfile.open() now handles fileobj with an integer 'name'
   attribute.  Based on patch by Antoine Pietri.
 
-- Issue #21867:  Prevent turtle crash due to invalid undo buffer size.
+- Issue #21966: Respect -q command-line option when code module is ran.
 
 - Issue #19076: Don't pass the redundant 'file' argument to self.error().
 
+- Issue #16382: Improve exception message of warnings.warn() for bad
+  category. Initial patch by Phil Elson.
+
+- Issue #21932: os.read() now uses a :c:func:`Py_ssize_t` type instead of
+  :c:type:`int` for the size to support reading more than 2 GB at once. On
+  Windows, the size is truncted to INT_MAX. As any call to os.read(), the OS
+  may read less bytes than the number of requested bytes.
+
 - Issue #21942: Fixed source file viewing in pydoc's server mode on Windows.
 
 - Issue #11259: asynchat.async_chat().set_terminator() now raises a ValueError
@@ -853,8 +1542,8 @@ Library
 - Issue #21714: Disallow the construction of invalid paths using
   Path.with_name().  Original patch by Antony Lee.
 
-- Issue #21897: Fix a crash with the f_locals attribute with closure
-  variables when frame.clear() has been called.
+- Issue #15014: Added 'auth' method to smtplib to make implementing auth
+  mechanisms simpler, and used it internally in the login method.
 
 - Issue #21151: Fixed a segfault in the winreg module when ``None`` is passed
   as a ``REG_BINARY`` value to SetValueEx.  Patch by John Ehresman.
@@ -862,8 +1551,17 @@ Library
 - Issue #21090: io.FileIO.readall() does not ignore I/O errors anymore. Before,
   it ignored I/O errors if at least the first C call read() succeed.
 
+- Issue #5800: headers parameter of wsgiref.headers.Headers is now optional.
+  Initial patch by Pablo Torres Navarrete and SilentGhost.
+
 - Issue #21781: ssl.RAND_add() now supports strings longer than 2 GB.
 
+- Issue #21679: Prevent extraneous fstat() calls during open().  Patch by
+  Bohuslav Kabrda.
+
+- Issue #21863: cProfile now displays the module name of C extension functions,
+  in addition to their own name.
+
 - Issue #11453: asyncore: emit a ResourceWarning when an unclosed file_wrapper
   object is destroyed. The destructor now closes the file if needed. The
   close() method can now be called twice: the second call does nothing.
@@ -873,23 +1571,17 @@ Library
 - Issue #21476: Make sure the email.parser.BytesParser TextIOWrapper is
   discarded after parsing, so the input file isn't unexpectedly closed.
 
+- Issue #20295: imghdr now recognizes OpenEXR format images.
+
 - Issue #21729: Used the "with" statement in the dbm.dumb module to ensure
   files closing.  Patch by Claudiu Popa.
 
 - Issue #21491: socketserver: Fix a race condition in child processes reaping.
 
-- Issue #21832:  Require named tuple inputs to be exact strings.
-
-- Issue #19145:  The times argument for itertools.repeat now handles
-  negative values the same way for keyword arguments as it does for
-  positional arguments.
-
-- Issue #21812: turtle.shapetransform did not tranform the turtle on the
-  first call.  (Issue identified and fixed by Lita Cho.)
+- Issue #21719: Added the ``st_file_attributes`` field to os.stat_result on
+  Windows.
 
-- Issue #21635:  The difflib SequenceMatcher.get_matching_blocks() method
-  cache didn't match the actual result.  The former was a list of tuples
-  and the latter was a list of named tuples.
+- Issue #21832:  Require named tuple inputs to be exact strings.
 
 - Issue #21722: The distutils "upload" command now exits with a non-zero
   return code when uploading fails.  Patch by Martin Dengler.
@@ -897,24 +1589,35 @@ Library
 - Issue #21723: asyncio.Queue: support any type of number (ex: float) for the
   maximum size. Patch written by Vajrasky Kok.
 
+- Issue #21711: support for "site-python" directories has now been removed
+  from the site module (it was deprecated in 3.4).
+
+- Issue #17552: new socket.sendfile() method allowing to send a file over a
+  socket by using high-performance os.sendfile() on UNIX.
+  Patch by Giampaolo Rodola'.
+
+- Issue #18039: dbm.dump.open() now always creates a new database when the
+  flag has the value 'n'.  Patch by Claudiu Popa.
+
 - Issue #21326: Add a new is_closed() method to asyncio.BaseEventLoop.
   run_forever() and run_until_complete() methods of asyncio.BaseEventLoop now
   raise an exception if the event loop was closed.
 
-- Issue #21774: Fixed NameError for an incorrect variable reference in the
-  XML Minidom code for creating processing instructions.
-  (Found and fixed by Claudiu Popa.)
-
 - Issue #21766: Prevent a security hole in CGIHTTPServer by URL unquoting paths
   before checking for a CGI script at that path.
 
 - Issue #21310: Fixed possible resource leak in failed open().
 
+- Issue #21256: Printout of keyword args should be in deterministic order in
+  a mock function call. This will help to write better doctests.
+
 - Issue #21677: Fixed chaining nonnormalized exceptions in io close() methods.
 
 - Issue #11709: Fix the pydoc.help function to not fail when sys.stdin is not a
   valid file.
 
+- Issue #21515: tempfile.TemporaryFile now uses os.O_TMPFILE flag is available.
+
 - Issue #13223: Fix pydoc.writedoc so that the HTML documentation for methods
   that use 'self' in the example code is generated correctly.
 
@@ -925,6 +1628,9 @@ Library
   limits would otherwise allow.  On systems with a functioning /proc/self/fd
   or /dev/fd interface the max is now ignored and all fds are closed.
 
+- Issue #20383: Introduce importlib.util.module_from_spec() as the preferred way
+  to create a new module.
+
 - Issue #21552: Fixed possible integer overflow of too long string lengths in
   the tkinter module on 64-bit platforms.
 
@@ -933,8 +1639,14 @@ Library
   error bubble up as this "bad data" appears in many real world zip files in
   the wild and is ignored by other zip tools.
 
+- Issue #13742:  Added "key" and "reverse" parameters to heapq.merge().
+  (First draft of patch contributed by Simon Sapin.)
+
 - Issue #21402: tkinter.ttk now works when default root window is not set.
 
+- Issue #3015: _tkinter.create() now creates tkapp object with wantobject=1 by
+  default.
+
 - Issue #10203: sqlite3.Row now truly supports sequence protocol.  In particulr
   it supports reverse() and negative indices.  Original patch by Claudiu Popa.
 
@@ -942,97 +1654,21 @@ Library
   interpreter aliases (python, python3) are now created by copying rather than
   symlinking.
 
-- Issue #14710: pkgutil.get_loader() no longer raises an exception when None is
-  found in sys.modules.
-
-- Issue #14710: pkgutil.find_loader() no longer raises an exception when a
-  module doesn't exist.
+- Issue #20197: Added support for the WebP image type in the imghdr module.
+  Patch by Fabrice Aneche and Claudiu Popa.
 
-- Issue #21481:  Argparse equality and inequality tests now return
-  NotImplemented when comparing to an unknown type.
+- Issue #21513: Speedup some properties of IP addresses (IPv4Address,
+  IPv6Address) such as .is_private or .is_multicast.
 
-- Issue #8743: Fix interoperability between set objects and the
-  collections.Set() abstract base class.
-
-- Issue #13355: random.triangular() no longer fails with a ZeroDivisionError
-  when low equals high.
+- Issue #21137: Improve the repr for threading.Lock() and its variants
+  by showing the "locked" or "unlocked" status.  Patch by Berker Peksag.
 
 - Issue #21538: The plistlib module now supports loading of binary plist files
   when reference or offset size is not a power of two.
 
-- Issue #21801: Validate that __signature__ is None or an instance of Signature.
+- Issue #21455: Add a default backlog to socket.listen().
 
-- Issue #21923: Prevent AttributeError in distutils.sysconfig.customize_compiler
-  due to possible uninitialized _config_vars.
-
-- Issue #21323: Fix http.server to again handle scripts in CGI subdirectories,
-  broken by the fix for security issue #19435.  Patch by Zach Byrne.
-
-Extension Modules
------------------
-
-- Issue #22176: Update the ctypes module's libffi to v3.1.  This release
-  adds support for the Linux AArch64 and POWERPC ELF ABIv2 little endian
-  architectures.
-
-Build
------
-
-- Issue #15661: python.org OS X installers are now distributed as signed
-  installer packages compatible with the Gatekeeper security feature.
-
-- Issue #21958: Define HAVE_ROUND when building with Visual Studio 2013 and
-  above.  Patch by Zachary Turner.
-
-- Issue #15759: "make suspicious", "make linkcheck" and "make doctest" in Doc/
-  now display special message when and only when there are failures.
-
-- Issue #17095: Fix Modules/Setup *shared* support.
-
-- Issue #21811: Anticipated fixes to support OS X versions > 10.9.
-
-- Issue #21166: Prevent possible segfaults and other random failures of
-  python --generate-posix-vars in pybuilddir.txt build target.
-
-IDLE
-----
-
-- Issue #17390: Adjust Editor window title; remove 'Python',
-  move version to end.
-
-- Issue #14105: Idle debugger breakpoints no longer disappear
-  when inseting or deleting lines.
-
-- Issue #17172: Turtledemo can now be run from Idle.
-  Currently, the entry is on the Help menu, but it may move to Run.
-  Patch by Ramchandra Apt and Lita Cho.
-
-- Issue #21765: Add support for non-ascii identifiers to HyperParser.
-
-- Issue #21940: Add unittest for WidgetRedirector. Initial patch by Saimadhav
-  Heblikar.
-
-- Issue #18592: Add unittest for SearchDialogBase. Patch by Phil Webster.
-
-- Issue #21694: Add unittest for ParenMatch. Patch by Saimadhav Heblikar.
-
-- Issue #21686: add unittest for HyperParser. Original patch by Saimadhav
-  Heblikar.
-
-- Issue #12387: Add missing upper(lower)case versions of default Windows key
-  bindings for Idle so Caps Lock does not disable them. Patch by Roger Serwy.
-
-- Issue #21695: Closing a Find-in-files output window while the search is
-  still in progress no longer closes Idle.
-
-- Issue #18910: Add unittest for textView. Patch by Phil Webster.
-
-- Issue #18292: Add unittest for AutoExpand. Patch by Saihadhav Heblikar.
-
-- Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster.
-
-Tests
------
+- Issue #21525: Most Tkinter methods which accepted tuples now accept lists too.
 
 - Issue #22166:  with the assistance of a new internal _codecs._forget_codec
   helping function, test_codecs now clears the encoding caches to avoid the
@@ -1041,100 +1677,19 @@ Tests
 - Issue #22236: Tkinter tests now don't reuse default root window.  New root
   window is created for every test class.
 
-- Issue #20746: Fix test_pdb to run in refleak mode (-R).  Patch by Xavier
-  de Gaye.
-
-- Issue #22060: test_ctypes has been somewhat cleaned up and simplified; it
-  now uses unittest test discovery to find its tests.
-
-- Issue #22104: regrtest.py no longer holds a reference to the suite of tests
-  loaded from test modules that don't define test_main().
-
-- Issue #22002: Added ``load_package_tests`` function to test.support and used
-  it to implement/augment test discovery in test_asyncio, test_email,
-  test_importlib, test_json, and test_tools.
-
-- Issue #21976: Fix test_ssl to accept LibreSSL version strings.  Thanks
-  to William Orr.
-
-- Issue #21918: Converted test_tools from a module to a package containing
-  separate test files for each tested script.
-
-- Issue #20155: Changed HTTP method names in failing tests in test_httpservers
-  so that packet filtering software (specifically Windows Base Filtering Engine)
-  does not interfere with the transaction semantics expected by the tests.
-
-- Issue #19493: Refactored the ctypes test package to skip tests explicitly
-  rather than silently.
-
-- Issue #18492: All resources are now allowed when tests are not run by
-  regrtest.py.
-
-- Issue #21634: Fix pystone micro-benchmark: use floor division instead of true
-  division to benchmark integers instead of floating point numbers. Set pystone
-  version to 1.2. Patch written by Lennart Regebro.
-
-- Issue #21605: Added tests for Tkinter images.
-
-- Issue #21493: Added test for ntpath.expanduser().  Original patch by
-  Claudiu Popa.
-
-- Issue #19925: Added tests for the spwd module. Original patch by Vajrasky Kok.
-
-- Issue #21522: Added Tkinter tests for Listbox.itemconfigure(),
-  PanedWindow.paneconfigure(), and Menu.entryconfigure().
-
-Documentation
--------------
-
-- Issue #21777: The binary sequence methods on bytes and bytearray are now
-  documented explicitly, rather than assuming users will be able to derive
-  the expected behaviour from the behaviour of the corresponding str methods.
-
-Windows
--------
-
-- Issue #21671, #22160, CVE-2014-0224: The bundled version of OpenSSL has been
-  updated to 1.0.1i.
-
-- Issue #10747: Use versioned labels in the Windows start menu.
-  Patch by Olive Kilburn.
-
-Tools/Demos
------------
-
-- Issue #22201: Command-line interface of the zipfile module now correctly
-  extracts ZIP files with directory entries.  Patch by Ryan Wilson.
-
-- Issue #21906: Make Tools/scripts/md5sum.py work in Python 3.
-  Patch by Zachary Ware.
-
-- Issue #21629: Fix Argument Clinic's "--converters" feature.
-
-
-What's New in Python 3.4.1?
-===========================
-
-Release date: 2014-05-18
-
-Core and Builtins
------------------
-
-- Issue #21418: Fix a crash in the builtin function super() when called without
-  argument and without current frame (ex: embedded Python).
+- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial
+  shape.
 
-- Issue #21425: Fix flushing of standard streams in the interactive
-  interpreter.
+- Issue #20826: Optimize ipaddress.collapse_addresses().
 
-- Issue #21435: In rare cases, when running finalizers on objects in cyclic
-  trash a bad pointer dereference could occur due to a subtle flaw in
-  internal iteration logic.
+- Issue #21487: Optimize ipaddress.summarize_address_range() and
+  ipaddress.{IPv4Network,IPv6Network}.subnets().
 
-Library
--------
+- Issue #21486: Optimize parsing of netmasks in ipaddress.IPv4Network and
+  ipaddress.IPv6Network.
 
-- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial
-  shape.
+- Issue #13916: Disallowed the surrogatepass error handler for non UTF-*
+  encodings.
 
 - Issue #20998: Fixed re.fullmatch() of repeated single character pattern
   with ignore case.  Original patch by Matthew Barnett.
@@ -1142,80 +1697,73 @@ Library
 - Issue #21075: fileinput.FileInput now reads bytes from standard stream if
   binary mode is specified.  Patch by Sam Kimbrel.
 
-- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a
-  flush() on the underlying binary stream.  Patch by akira.
+- Issue #19775: Add a samefile() method to pathlib Path objects.  Initial
+  patch by Vajrasky Kok.
 
-- Issue #21470: Do a better job seeding the random number generator by
-  using enough bytes to span the full state space of the Mersenne Twister.
+- Issue #21226: Set up modules properly in PyImport_ExecCodeModuleObject
+  (and friends).
 
 - Issue #21398: Fix an unicode error in the pydoc pager when the documentation
   contains characters not encodable to the stdout encoding.
 
-Tests
------
+- Issue #16531: ipaddress.IPv4Network and ipaddress.IPv6Network now accept
+  an (address, netmask) tuple argument, so as to easily construct network
+  objects from existing addresses.
 
-- Issue #17756: Fix test_code test when run from the installed location.
-
-- Issue #17752: Fix distutils tests when run from the installed location.
-
-IDLE
-----
-
-- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
-  consolidating and improving human-validated tests of Idle. Change other files
-  as needed to work with htest.  Running the module as __main__ runs all tests.
+- Issue #21156: importlib.abc.InspectLoader.source_to_code() is now a
+  staticmethod.
 
+- Issue #21424: Simplified and optimized heaqp.nlargest() and nmsmallest()
+  to make fewer tuple comparisons.
 
-What's New in Python 3.4.1rc1?
-==============================
+- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a
+  flush() on the underlying binary stream.  Patch by akira.
 
-Release date: 2014-05-05
+- Issue #18314: Unlink now removes junctions on Windows. Patch by Kim Gräsman
 
-Core and Builtins
------------------
-
-- Issue #21274: Define PATH_MAX for GNU/Hurd in Python/pythonrun.c.
+- Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0.
+  In porting to Argument Clinic, the first two arguments were reversed.
 
-- Issue #21209: Fix sending tuples to custom generator objects with the yield
-  from syntax.
+- Issue #21407: _decimal: The module now supports function signatures.
 
-- Issue #21134: Fix segfault when str is called on an uninitialized
-  UnicodeEncodeError, UnicodeDecodeError, or UnicodeTranslateError object.
+- Issue #10650: Remove the non-standard 'watchexp' parameter from the
+  Decimal.quantize() method in the Python version.  It had never been
+  present in the C version.
 
-- Issue #19537: Fix PyUnicode_DATA() alignment under m68k.  Patch by
-  Andreas Schwab.
+- Issue #21469:  Reduced the risk of false positives in robotparser by
+  checking to make sure that robots.txt has been read or does not exist
+  prior to returning True in can_fetch().
 
-- Issue #20929: Add a type cast to avoid shifting a negative number.
+- Issue #19414: Have the OrderedDict mark deleted links as unusable.
+  This gives an early failure if the link is deleted during iteration.
 
-- Issue #20731: Properly position in source code files even if they
-  are opened in text mode. Patch by Serhiy Storchaka.
+- Issue #21421: Add __slots__ to the MappingViews ABC.
+  Patch by Josh Rosenberg.
 
-- Issue #20637: Key-sharing now also works for instance dictionaries of
-  subclasses.  Patch by Peter Ingebretson.
+- Issue #21101: Eliminate double hashing in the C speed-up code for
+  collections.Counter().
 
-- Issue #12546: Allow \x00 to be used as a fill character when using str, int,
-  float, and complex __format__ methods.
+- Issue #21321: itertools.islice() now releases the reference to the source
+  iterator when the slice is exhausted.  Patch by Anton Afanasyev.
 
-- Issue #13598: Modify string.Formatter to support auto-numbering of
-  replacement fields. It now matches the behavior of str.format() in
-  this regard. Patches by Phil Elson and Ramchandra Apte.
+- Issue #21057: TextIOWrapper now allows the underlying binary stream's
+  read() or read1() method to return an arbitrary bytes-like object
+  (such as a memoryview).  Patch by Nikolaus Rath.
 
-Library
--------
+- Issue #20951: SSLSocket.send() now raises either SSLWantReadError or
+  SSLWantWriteError on a non-blocking socket if the operation would block.
+  Previously, it would return 0.  Patch by Nikolaus Rath.
 
-- Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0.
-  In porting to Argument Clinic, the first two arguments were reversed.
-
-- Issue #21469:  Reduced the risk of false positives in robotparser by
-  checking to make sure that robots.txt has been read or does not exist
-  prior to returning True in can_fetch().
-
-- Issue #21321: itertools.islice() now releases the reference to the source
-  iterator when the slice is exhausted.  Patch by Anton Afanasyev.
+- Issue #13248: removed previously deprecated asyncore.dispatcher __getattr__
+  cheap inheritance hack.
 
 - Issue #9815: assertRaises now tries to clear references to local variables
   in the exception's traceback.
 
+- Issue #19940: ssl.cert_time_to_seconds() now interprets the given time
+  string in the UTC timezone (as specified in RFC 5280), not the local
+  timezone.
+
 - Issue #13204: Calling sys.flags.__new__ would crash the interpreter,
   now it raises a TypeError.
 
@@ -1239,9 +1787,25 @@ Library
 - Issue #12220: mindom now raises a custom ValueError indicating it doesn't
   support spaces in URIs instead of letting a 'split' ValueError bubble up.
 
+- Issue #21068: The ssl.PROTOCOL* constants are now enum members.
+
+- Issue #21276: posixmodule: Don't define USE_XATTRS on KFreeBSD and the Hurd.
+
+- Issue #21262: New method assert_not_called for Mock.
+  It raises AssertionError if the mock has been called.
+
+- Issue #21238: New keyword argument `unsafe` to Mock. It raises
+  `AttributeError` incase of an attribute startswith assert or assret.
+
+- Issue #20896: ssl.get_server_certificate() now uses PROTOCOL_SSLv23, not
+  PROTOCOL_SSLv3, for maximum compatibility.
+
 - Issue #21239: patch.stopall() didn't work deterministically when the same
   name was patched more than once.
 
+- Issue #21203: Updated fileConfig and dictConfig to remove inconsistencies.
+  Thanks to Jure Koren for the patch.
+
 - Issue #21222: Passing name keyword argument to mock.create_autospec now
   works.
 
@@ -1271,17 +1835,31 @@ Library
 - Issue #21171: Fixed undocumented filter API of the rot13 codec.
   Patch by Berker Peksag.
 
+- Issue #20539: Improved math.factorial error message for large positive inputs
+  and changed exception type (OverflowError -> ValueError) for large negative
+  inputs.
+
 - Issue #21172: isinstance check relaxed from dict to collections.Mapping.
 
 - Issue #21155: asyncio.EventLoop.create_unix_server() now raises a ValueError
   if path and sock are specified at the same time.
 
+- Issue #21136: Avoid unnecessary normalization of Fractions resulting from
+  power and other operations.  Patch by Raymond Hettinger.
+
+- Issue #17621: Introduce importlib.util.LazyLoader.
+
+- Issue #21076: signal module constants were turned into enums.
+  Patch by Giampaolo Rodola'.
+
+- Issue #20636: Improved the repr of Tkinter widgets.
+
+- Issue #19505: The items, keys, and values views of OrderedDict now support
+  reverse iteration using reversed().
+
 - Issue #21149: Improved thread-safety in logging cleanup during interpreter
   shutdown. Thanks to Devin Jeanpierre for the patch.
 
-- Issue #20145: `assertRaisesRegex` and `assertWarnsRegex` now raise a
-  TypeError if the second argument is not a string or compiled regex.
-
 - Issue #21058: Fix a leak of file descriptor in
   :func:`tempfile.NamedTemporaryFile`, close the file descriptor if
   :func:`io.open` fails
@@ -1291,6 +1869,9 @@ Library
 - Issue #21013: Enhance ssl.create_default_context() when used for server side
   sockets to provide better security by default.
 
+- Issue #20145: `assertRaisesRegex` and `assertWarnsRegex` now raise a
+  TypeError if the second argument is not a string or compiled regex.
+
 - Issue #20633: Replace relative import by absolute import.
 
 - Issue #20980: Stop wrapping exception when using ThreadPool.
@@ -1304,6 +1885,8 @@ Library
   curve for ECDH key exchange on OpenSSL 1.0.2 and later, and otherwise
   default to "prime256v1".
 
+- Issue #21000: Improve the command-line interface of json.tool.
+
 - Issue #20995: Enhance default ciphers used by the ssl module to enable
   better security an prioritize perfect forward secrecy.
 
@@ -1311,6 +1894,24 @@ Library
 
 - Issue #21499: Ignore __builtins__ in several test_importlib.test_api tests.
 
+- Issue #20627: xmlrpc.client.ServerProxy is now a context manager.
+
+- Issue #19165: The formatter module now raises DeprecationWarning instead of
+  PendingDeprecationWarning.
+
+- Issue #13936: Remove the ability of datetime.time instances to be considered
+  false in boolean contexts.
+
+- Issue 18931: selectors module now supports /dev/poll on Solaris.
+  Patch by Giampaolo Rodola'.
+
+- Issue #19977: When the ``LC_TYPE`` locale is the POSIX locale (``C`` locale),
+  :py:data:`sys.stdin` and :py:data:`sys.stdout` are now using the
+  ``surrogateescape`` error handler, instead of the ``strict`` error handler.
+
+- Issue #20574: Implement incremental decoder for cp65001 code (Windows code
+  page 65001, Microsoft UTF-8).
+
 - Issue #20879: Delay the initialization of encoding and decoding tables for
   base32, ascii85 and base85 codecs in the base64 module, and delay the
   initialization of the unquote_to_bytes() table of the urllib.parse module, to
@@ -1345,6 +1946,14 @@ Library
 - Issue #19748: On AIX, time.mktime() now raises an OverflowError for year
   outsize range [1902; 2037].
 
+- Issue #19573: inspect.signature: Use enum for parameter kind constants.
+
+- Issue #20726: inspect.signature: Make Signature and Parameter picklable.
+
+- Issue #17373: Add inspect.Signature.from_callable method.
+
+- Issue #20378: Improve repr of inspect.Signature and inspect.Parameter.
+
 - Issue #20816: Fix inspect.getcallargs() to raise correct TypeError for
   missing keyword-only arguments. Patch by Jeremiah Lowin.
 
@@ -1361,6 +1970,12 @@ Library
   positional-or-keyword arguments passed as keyword arguments become
   keyword-only.
 
+- Issue #20334: inspect.Signature and inspect.Parameter are now hashable.
+  Thanks to Antony Lee for bug reports and suggestions.
+
+- Issue #15916: doctest.DocTestSuite returns an empty unittest.TestSuite instead
+  of raising ValueError if it finds no tests
+
 - Issue #21209: Fix asyncio.tasks.CoroWrapper to workaround a bug
   in yield-from implementation in CPythons prior to 3.4.1.
 
@@ -1373,16 +1988,90 @@ Library
 - Issue #11571: Ensure that the turtle window becomes the topmost window
   when launched on OS X.
 
-Extension Modules
------------------
+- Issue #21801: Validate that __signature__ is None or an instance of Signature.
 
-- Issue #21276: posixmodule: Don't define USE_XATTRS on KFreeBSD and the Hurd.
-- Issue #21226: Set up modules properly in PyImport_ExecCodeModuleObject
-  (and friends).
+- Issue #21923: Prevent AttributeError in distutils.sysconfig.customize_compiler
+  due to possible uninitialized _config_vars.
+
+- Issue #21323: Fix http.server to again handle scripts in CGI subdirectories,
+  broken by the fix for security issue #19435.  Patch by Zach Byrne.
+
+- Issue #22733: Fix ffi_prep_args not zero-extending argument values correctly
+  on 64-bit Windows.
+
+- Issue #23302: Default to TCP_NODELAY=1 upon establishing an HTTPConnection.
+  Removed use of hard-coded MSS as it's an optimization that's no longer needed
+  with Nagle disabled.
 
 IDLE
 ----
 
+- Issue #20577: Configuration of the max line length for the FormatParagraph
+  extension has been moved from the General tab of the Idle preferences dialog
+  to the FormatParagraph tab of the Config Extensions dialog.
+  Patch by Tal Einat.
+
+- Issue #16893: Update Idle doc chapter to match current Idle and add new
+  information.
+
+- Issue #3068: Add Idle extension configuration dialog to Options menu.
+  Changes are written to HOME/.idlerc/config-extensions.cfg.
+  Original patch by Tal Einat.
+
+- Issue #16233: A module browser (File : Class Browser, Alt+C) requires a
+  editor window with a filename.  When Class Browser is requested otherwise,
+  from a shell, output window, or 'Untitled' editor, Idle no longer displays
+  an error box.  It now pops up an  Open Module box (Alt+M). If a valid name
+  is entered and a module is opened, a corresponding browser is also opened.
+
+- Issue #4832: Save As to type Python files automatically adds .py to the
+  name you enter (even if your system does not display it).  Some systems
+  automatically add .txt when type is Text files.
+
+- Issue #21986: Code objects are not normally pickled by the pickle module.
+  To match this, they are no longer pickled when running under Idle.
+
+- Issue #17390: Adjust Editor window title; remove 'Python',
+  move version to end.
+
+- Issue #14105: Idle debugger breakpoints no longer disappear
+  when inseting or deleting lines.
+
+- Issue #17172: Turtledemo can now be run from Idle.
+  Currently, the entry is on the Help menu, but it may move to Run.
+  Patch by Ramchandra Apt and Lita Cho.
+
+- Issue #21765: Add support for non-ascii identifiers to HyperParser.
+
+- Issue #21940: Add unittest for WidgetRedirector. Initial patch by Saimadhav
+  Heblikar.
+
+- Issue #18592: Add unittest for SearchDialogBase. Patch by Phil Webster.
+
+- Issue #21694: Add unittest for ParenMatch. Patch by Saimadhav Heblikar.
+
+- Issue #21686: add unittest for HyperParser. Original patch by Saimadhav
+  Heblikar.
+
+- Issue #12387: Add missing upper(lower)case versions of default Windows key
+  bindings for Idle so Caps Lock does not disable them. Patch by Roger Serwy.
+
+- Issue #21695: Closing a Find-in-files output window while the search is
+  still in progress no longer closes Idle.
+
+- Issue #18910: Add unittest for textView. Patch by Phil Webster.
+
+- Issue #18292: Add unittest for AutoExpand. Patch by Saihadhav Heblikar.
+
+- Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster.
+
+- Issue #21477: htest.py - Improve framework, complete set of tests.
+  Patches by Saimadhav Heblikar
+
+- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
+  consolidating and improving human-validated tests of Idle. Change other files
+  as needed to work with htest.  Running the module as __main__ runs all tests.
+
 - Issue #21139: Change default paragraph width to 72, the PEP 8 recommendation.
 
 - Issue #21284: Paragraph reformat test passes after user changes reformat width.
@@ -1390,10 +2079,52 @@ IDLE
 - Issue #17654: Ensure IDLE menus are customized properly on OS X for
   non-framework builds and for all variants of Tk.
 
+- Issue #23180: Rename IDLE "Windows" menu item to "Window".
+  Patch by Al Sweigart.
+
 Build
 -----
 
-- The Windows build now includes OpenSSL 1.0.1g
+- Issue #15506: Use standard PKG_PROG_PKG_CONFIG autoconf macro in the configure
+  script.
+
+- Issue #22935: Allow the ssl module to be compiled if openssl doesn't support
+  SSL 3.
+
+- Issue #22592: Drop support of the Borland C compiler to build Python. The
+  distutils module still supports it to build extensions.
+
+- Issue #22591: Drop support of MS-DOS, especially of the DJGPP compiler
+  (MS-DOS port of GCC).
+
+- Issue #16537: Check whether self.extensions is empty in setup.py. Patch by
+  Jonathan Hosmer.
+
+- Issue #22359: Remove incorrect uses of recursive make.  Patch by Jonas
+  Wagner.
+
+- Issue #21958: Define HAVE_ROUND when building with Visual Studio 2013 and
+  above.  Patch by Zachary Turner.
+
+- Issue #18093: the programs that embed the CPython runtime are now in a
+  separate "Programs" directory, rather than being kept in the Modules
+  directory.
+
+- Issue #15759: "make suspicious", "make linkcheck" and "make doctest" in Doc/
+  now display special message when and only when there are failures.
+
+- Issue #21141: The Windows build process no longer attempts to find Perl,
+  instead relying on OpenSSL source being configured and ready to build.  The
+  ``PCbuild\build_ssl.py`` script has been re-written and re-named to
+  ``PCbuild\prepare_ssl.py``, and takes care of configuring OpenSSL source
+  for both 32 and 64 bit platforms.  OpenSSL sources obtained from
+  svn.python.org will always be pre-configured and ready to build.
+
+- Issue #21037: Add a build option to enable AddressSanitizer support.
+
+- Issue #19962: The Windows build process now creates "python.bat" in the
+  root of the source tree, which passes all arguments through to the most
+  recently built interpreter.
 
 - Issue #21285: Refactor and fix curses configure check to always search
   in a ncursesw directory.
@@ -1402,12 +2133,60 @@ Build
   include directories if they aren't already being searched. This avoids
   an explicit runtime library dependency.
 
+- Issue #17861: Tools/scripts/generate_opcode_h.py automatically regenerates
+  Include/opcode.h from Lib/opcode.py if the later gets any change.
+
 - Issue #20644: OS X installer build support for documentation build changes
   in 3.4.1: assume externally supplied sphinx-build is available in /usr/bin.
 
+- Issue #20022: Eliminate use of deprecated bundlebuilder in OS X builds.
+
+- Issue #15968: Incorporated Tcl, Tk, and Tix builds into the Windows build
+  solution.
+
+- Issue #17095: Fix Modules/Setup *shared* support.
+
+- Issue #21811: Anticipated fixes to support OS X versions > 10.9.
+
+- Issue #21166: Prevent possible segfaults and other random failures of
+  python --generate-posix-vars in pybuilddir.txt build target.
+
+- Issue #18096: Fix library order returned by python-config.
+
+- Issue #17219: Add library build dir for Python extension cross-builds.
+
+- Issue #22919: Windows build updated to support VC 14.0 (Visual Studio 2015),
+  which will be used for the official release.
+
+- Issue #21236: Build _msi.pyd with cabinet.lib instead of fci.lib
+
+- Issue #17128: Use private version of OpenSSL for OS X 10.5+ installer.
+
 C API
 -----
 
+- Issue #14203: Remove obsolete support for view==NULL in PyBuffer_FillInfo(),
+  bytearray_getbuffer(), bytesiobuf_getbuffer() and array_buffer_getbuf().
+  All functions now raise BufferError in that case.
+
+- Issue #22445: PyBuffer_IsContiguous() now implements precise contiguity
+  tests, compatible with NumPy's NPY_RELAXED_STRIDES_CHECKING compilation
+  flag.  Previously the function reported false negatives for corner cases.
+
+- Issue #22079: PyType_Ready() now checks that statically allocated type has
+  no dynamically allocated bases.
+
+- Issue #22453: Removed non-documented macro PyObject_REPR().
+
+- Issue #18395: Rename ``_Py_char2wchar()`` to :c:func:`Py_DecodeLocale`,
+  rename ``_Py_wchar2char()`` to :c:func:`Py_EncodeLocale`, and document
+  these functions.
+
+- Issue #21233: Add new C functions: PyMem_RawCalloc(), PyMem_Calloc(),
+  PyObject_Calloc(), _PyObject_GC_Calloc(). bytes(int) is now using
+  ``calloc()`` instead of ``malloc()`` for large objects which is faster and
+  use less memory.
+
 - Issue #20942: PyImport_ImportFrozenModuleObject() no longer sets __file__ to
   match what importlib does; this affects _frozen_importlib as well as any
   module loaded using imp.init_frozen().
@@ -1415,9 +2194,29 @@ C API
 Documentation
 -------------
 
+- Issue #19548: Update the codecs module documentation to better cover the
+  distinction between text encodings and other codecs, together with other
+  clarifications. Patch by Martin Panter.
+
+- Issue #22394: Doc/Makefile now supports ``make venv PYTHON=../python`` to
+  create a venv for generating the documentation, e.g.,
+  ``make html PYTHON=venv/bin/python3``.
+
+- Issue #21514: The documentation of the json module now refers to new JSON RFC
+  7159 instead of obsoleted RFC 4627.
+
+- Issue #21777: The binary sequence methods on bytes and bytearray are now
+  documented explicitly, rather than assuming users will be able to derive
+  the expected behaviour from the behaviour of the corresponding str methods.
+
+- Issue #6916: undocument deprecated asynchat.fifo class.
+
 - Issue #17386: Expanded functionality of the ``Doc/make.bat`` script to make
   it much more comparable to ``Doc/Makefile``.
 
+- Issue #21312: Update the thread_foobar.h template file to include newer
+  threading APIs.  Patch by Jack McCracken.
+
 - Issue #21043: Remove the recommendation for specific CA organizations and to
   mention the ability to load the OS certificates.
 
@@ -1435,6 +2234,73 @@ Documentation
 Tests
 -----
 
+- Issue #18982: Add tests for CLI of the calendar module.
+
+- Issue #19548: Added some additional checks to test_codecs to ensure that
+  statements in the updated documentation remain accurate. Patch by Martin
+  Panter.
+
+- Issue #22838: All test_re tests now work with unittest test discovery.
+
+- Issue #22173: Update lib2to3 tests to use unittest test discovery.
+
+- Issue #16000: Convert test_curses to use unittest.
+
+- Issue #21456: Skip two tests in test_urllib2net.py if _ssl module not
+  present. Patch by Remi Pointel.
+
+- Issue #20746: Fix test_pdb to run in refleak mode (-R).  Patch by Xavier
+  de Gaye.
+
+- Issue #22060: test_ctypes has been somewhat cleaned up and simplified; it
+  now uses unittest test discovery to find its tests.
+
+- Issue #22104: regrtest.py no longer holds a reference to the suite of tests
+  loaded from test modules that don't define test_main().
+
+- Issue #22111: Assorted cleanups in test_imaplib.  Patch by Milan Oberkirch.
+
+- Issue #22002: Added ``load_package_tests`` function to test.support and used
+  it to implement/augment test discovery in test_asyncio, test_email,
+  test_importlib, test_json, and test_tools.
+
+- Issue #21976: Fix test_ssl to accept LibreSSL version strings.  Thanks
+  to William Orr.
+
+- Issue #21918: Converted test_tools from a module to a package containing
+  separate test files for each tested script.
+
+- Issue #9554: Use modern unittest features in test_argparse. Initial patch by
+  Denver Coneybeare and Radu Voicilas.
+
+- Issue #20155: Changed HTTP method names in failing tests in test_httpservers
+  so that packet filtering software (specifically Windows Base Filtering Engine)
+  does not interfere with the transaction semantics expected by the tests.
+
+- Issue #19493: Refactored the ctypes test package to skip tests explicitly
+  rather than silently.
+
+- Issue #18492: All resources are now allowed when tests are not run by
+  regrtest.py.
+
+- Issue #21634: Fix pystone micro-benchmark: use floor division instead of true
+  division to benchmark integers instead of floating point numbers. Set pystone
+  version to 1.2. Patch written by Lennart Regebro.
+
+- Issue #21605: Added tests for Tkinter images.
+
+- Issue #21493: Added test for ntpath.expanduser().  Original patch by
+  Claudiu Popa.
+
+- Issue #19925: Added tests for the spwd module. Original patch by Vajrasky Kok.
+
+- Issue #21522: Added Tkinter tests for Listbox.itemconfigure(),
+  PanedWindow.paneconfigure(), and Menu.entryconfigure().
+
+- Issue #17756: Fix test_code test when run from the installed location.
+
+- Issue #17752: Fix distutils tests when run from the installed location.
+
 - Issue #18604: Consolidated checks for GUI availability.  All platforms now
   at least check whether Tk can be instantiated when the GUI resource is
   requested.
@@ -1452,6 +2318,8 @@ Tests
 
 - Issue #21097: Move test_namespace_pkgs into test_importlib.
 
+- Issue #21503: Use test_both() consistently in test_importlib.
+
 - Issue #20939: Avoid various network test failures due to new
   redirect of http://www.python.org/ to https://www.python.org:
   use http://www.example.com instead.
@@ -1462,9 +2330,41 @@ Tests
 - Issue #21093: Prevent failures of ctypes test_macholib on OS X if a
   copy of libz exists in $HOME/lib or /usr/local/lib.
 
+- Issue #22770: Prevent some Tk segfaults on OS X when running gui tests.
+
+- Issue #23211: Workaround test_logging failure on some OS X 10.6 systems.
+
+- Issue #23345: Prevent test_ssl failures with large OpenSSL patch level
+  values (like 0.9.8zc).
+
 Tools/Demos
 -----------
 
+- Issue #22314: pydoc now works when the LINES environment variable is set.
+
+- Issue #22615: Argument Clinic now supports the "type" argument for the
+  int converter.  This permits using the int converter with enums and
+  typedefs.
+
+- Issue #20076: The makelocalealias.py script no longer ignores UTF-8 mapping.
+
+- Issue #20079: The makelocalealias.py script now can parse the SUPPORTED file
+  from glibc sources and supports command line options for source paths.
+
+- Issue #22201: Command-line interface of the zipfile module now correctly
+  extracts ZIP files with directory entries.  Patch by Ryan Wilson.
+
+- Issue #22120: For functions using an unsigned integer return converter,
+  Argument Clinic now generates a cast to that type for the comparison
+  to -1 in the generated code.  (This supresses a compilation warning.)
+
+- Issue #18974: Tools/scripts/diff.py now uses argparse instead of optparse.
+
+- Issue #21906: Make Tools/scripts/md5sum.py work in Python 3.
+  Patch by Zachary Ware.
+
+- Issue #21629: Fix Argument Clinic's "--converters" feature.
+
 - Add support for ``yield from`` to 2to3.
 
 - Add support for the PEP 465 matrix multiplication operator to 2to3.
@@ -1477,6 +2377,31 @@ Tools/Demos
 - Issue #20535: PYTHONWARNING no longer affects the run_tests.py script.
   Patch by Arfrever Frehtes Taifersar Arahesis.
 
+Windows
+-------
+
+- Issue #23260: Update Windows installer
+
+- The bundled version of Tcl/Tk has been updated to 8.6.3.  The most visible
+  result of this change is the addition of new native file dialogs when
+  running on Windows Vista or newer.  See Tcl/Tk's TIP 432 for more
+  information.  Also, this version of Tcl/Tk includes support for Windows 10.
+
+- Issue #17896: The Windows build scripts now expect external library sources
+  to be in ``PCbuild\..\externals`` rather than ``PCbuild\..\..``.
+
+- Issue #17717: The Windows build scripts now use a copy of NASM pulled from
+  svn.python.org to build OpenSSL.
+
+- Issue #21907: Improved the batch scripts provided for building Python.
+
+- Issue #22644: The bundled version of OpenSSL has been updated to 1.0.1j.
+
+- Issue #10747: Use versioned labels in the Windows start menu.
+  Patch by Olive Kilburn.
+
+- Issue #22980: .pyd files with a version and platform tag (for example,
+  ".cp35-win32.pyd") will now be loaded in preference to those without tags.
 
 What's New in Python 3.4.0?
 ===========================
@@ -5590,6 +6515,10 @@ C-API
 Documentation
 -------------
 
+- Issue #23006: Improve the documentation and indexing of dict.__missing__.
+  Add an entry in the language datamodel special methods section.
+  Revise and index its discussion in the stdtypes mapping/dict section.
+
 - Issue #17701: Improving strftime documentation.
 
 - Issue #18440: Clarify that `hash()` can truncate the value returned from an
@@ -5752,4141 +6681,4 @@ Windows
 - Issue #18569: The installer now adds .py to the PATHEXT variable when extensions
   are registered. Patch by Paul Moore.
 
-
-What's New in Python 3.3.0?
-===========================
-
-*Release date: 29-Sep-2012*
-
-Core and Builtins
------------------
-
-- Issue #16046: Fix loading sourceless legacy .pyo files.
-
-- Issue #16060: Fix refcounting bug when `__trunc__()` returns an object whose
-  `__int__()` gives a non-integer.  Patch by Serhiy Storchaka.
-
-Extension Modules
------------------
-
-- Issue #16012: Fix a regression in pyexpat. The parser's `UseForeignDTD()`
-  method doesn't require an argument again.
-
-
-What's New in Python 3.3.0 Release Candidate 3?
-===============================================
-
-*Release date: 23-Sep-2012*
-
-Core and Builtins
------------------
-
-- Issue #15900: Fix reference leak in `PyUnicode_TranslateCharmap()`.
-
-- Issue #15926: Fix crash after multiple reinitializations of the interpreter.
-
-- Issue #15895: Fix FILE pointer leak in one error branch of
-  `PyRun_SimpleFileExFlags()` when filename points to a pyc/pyo file, closeit is
-  false an and set_main_loader() fails.
-
-- Fixes for a few crash and memory leak regressions found by Coverity.
-
-Library
--------
-
-- Issue #15882: Change `_decimal` to accept any coefficient tuple when
-  constructing infinities. This is done for backwards compatibility with
-  decimal.py: Infinity coefficients are undefined in _decimal (in accordance
-  with the specification).
-
-- Issue #15925: Fix a regression in `email.util` where the `parsedate()` and
-  `parsedate_tz()` functions did not return None anymore when the argument could
-  not be parsed.
-
-Extension Modules
------------------
-
-- Issue #15973: Fix a segmentation fault when comparing datetime timezone
-  objects.
-
-- Issue #15977: Fix memory leak in Modules/_ssl.c when the function
-  _set_npn_protocols() is called multiple times, thanks to Daniel Sommermann.
-
-- Issue #15969: `faulthandler` module: rename dump_tracebacks_later() to
-  dump_traceback_later() and cancel_dump_tracebacks_later() to
-  cancel_dump_traceback_later().
-
-- _decimal module: use only C 89 style comments.
-
-
-What's New in Python 3.3.0 Release Candidate 2?
-===============================================
-
-*Release date: 09-Sep-2012*
-
-Core and Builtins
------------------
-
-- Issue #13992: The trashcan mechanism is now thread-safe.  This eliminates
-  sporadic crashes in multi-thread programs when several long deallocator chains
-  ran concurrently and involved subclasses of built-in container types.
-
-- Issue #15784: Modify `OSError`.__str__() to better distinguish between errno
-  error numbers and Windows error numbers.
-
-- Issue #15781: Fix two small race conditions in import's module locking.
-
-Library
--------
-
-- Issue #17158: Add 'symbols' to help() welcome message; clarify
-  'modules spam' messages.
-
-- Issue #15847: Fix a regression in argparse, which did not accept tuples as
-  argument lists anymore.
-
-- Issue #15828: Restore support for C extensions in `imp.load_module()`.
-
-- Issue #15340: Fix importing the random module when ``/dev/urandom`` cannot be
-  opened.  This was a regression caused by the hash randomization patch.
-
-- Issue #10650: Deprecate the watchexp parameter of the `Decimal.quantize()`
-  method.
-
-- Issue #15785: Modify `window.get_wch()` API of the curses module: return a
-  character for most keys, and an integer for special keys, instead of always
-  returning an integer. So it is now possible to distinguish special keys like
-  keypad keys.
-
-- Issue #14223: Fix `window.addch()` of the curses module for special characters
-  like curses.ACS_HLINE: the Python function addch(int) and addch(bytes) is now
-  calling the C function waddch()/mvwaddch() (as it was done in Python 3.2),
-  instead of wadd_wch()/mvwadd_wch(). The Python function addch(str) is still
-  calling the C function wadd_wch()/mvwadd_wch() if the Python curses is linked
-  to libncursesw.
-
-Build
------
-
-- Issue #15822: Really ensure 2to3 grammar pickles are properly installed
-  (replaces fixes for Issue #15645).
-
-Documentation
--------------
-
-- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted the
-  hashing of multi-dimensional memorviews and memoryviews with multi-byte item
-  formats. The intended restrictions have now been documented - they will be
-  correctly enforced in 3.3.1.
-
-
-What's New in Python 3.3.0 Release Candidate 1?
-===============================================
-
-*Release date: 25-Aug-2012*
-
-Core and Builtins
------------------
-
-- Issue #15573: memoryview comparisons are now performed by value with full
-  support for any valid struct module format definition.
-
-- Issue #15316: When an item in the fromlist for `__import__()` doesn't exist,
-  don't raise an error, but if an exception is raised as part of an import do
-  let that propagate.
-
-- Issue #15778: Ensure that ``str(ImportError(msg))`` returns a str even when
-  msg isn't a str.
-
-- Issue #2051: Source file permission bits are once again correctly copied to
-  the cached bytecode file. (The migration to importlib reintroduced this
-  problem because these was no regression test. A test has been added as part of
-  this patch)
-
-- Issue #15761: Fix crash when ``PYTHONEXECUTABLE`` is set on Mac OS X.
-
-- Issue #15726: Fix incorrect bounds checking in PyState_FindModule.  Patch by
-  Robin Schreiber.
-
-- Issue #15604: Update uses of `PyObject_IsTrue()` to check for and handle
-  errors correctly.  Patch by Serhiy Storchaka.
-
-- Issue #14846: `importlib.FileFinder` now handles the case where the directory
-  being searched is removed after a previous import attempt.
-
-Library
--------
-
-- Issue #13370: Ensure that ctypes works on Mac OS X when Python is compiled
-  using the clang compiler.
-
-- Issue #13072: The array module's 'u' format code is now deprecated and will be
-  removed in Python 4.0.
-
-- Issue #15544: Fix Decimal.__float__ to work with payload-carrying NaNs.
-
-- Issue #15776: Allow pyvenv to work in existing directory with --clean.
-
-- Issue #15249: email's BytesGenerator now correctly mangles From lines (when
-  requested) even if the body contains undecodable bytes.
-
-- Issue #15777: Fix a refleak in _posixsubprocess.
-
-- Issue ##665194: Update `email.utils.localtime` to use datetime.astimezone and
-  correctly handle historic changes in UTC offsets.
-
-- Issue #15199: Fix JavaScript's default MIME type to application/javascript.
-  Patch by Bohuslav Kabrda.
-
-- Issue #12643: `code.InteractiveConsole` now respects `sys.excepthook` when
-  displaying exceptions.  Patch by Aaron Iles.
-
-- Issue #13579: `string.Formatter` now understands the 'a' conversion specifier.
-
-- Issue #15595: Fix ``subprocess.Popen(universal_newlines=True)`` for certain
-  locales (utf-16 and utf-32 family). Patch by Chris Jerdonek.
-
-- Issue #15477: In cmath and math modules, add workaround for platforms whose
-  system-supplied log1p function doesn't respect signs of zeros.
-
-- Issue #15715: `importlib.__import__()` will silence an ImportError when the
-  use of fromlist leads to a failed import.
-
-- Issue #14669: Fix pickling of connections and sockets on Mac OS X by
-  sending/receiving an acknowledgment after file descriptor transfer.
-  TestPicklingConnection has been reenabled for Mac OS X.
-
-- Issue #11062: Fix adding a message from file to Babyl mailbox.
-
-- Issue #15646: Prevent equivalent of a fork bomb when using `multiprocessing`
-  on Windows without the ``if __name__ == '__main__'`` idiom.
-
-IDLE
-----
-
-- Issue #15678: Fix IDLE menus when started from OS X command line (3.3.0b2
-  regression).
-
-Documentation
--------------
-
-- Touched up the Python 2 to 3 porting guide.
-
-- Issue #14674: Add a discussion of the `json` module's standard compliance.
-  Patch by Chris Rebert.
-
-- Create a 'Concurrent Execution' section in the docs, and split up the
-  'Optional Operating System Services' section to use a more user-centric
-  classification scheme (splitting them across the new CE section, IPC and text
-  processing). Operating system limitations can be reflected with the Sphinx
-  ``:platform:`` tag, it doesn't make sense as part of the Table of Contents.
-
-- Issue #4966: Bring the sequence docs up to date for the Py3k transition and
-  the many language enhancements since they were original written.
-
-- The "path importer" misnomer has been replaced with Eric Snow's
-  more-awkward-but-at-least-not-wrong suggestion of "path based finder" in the
-  import system reference docs.
-
-- Issue #15640: Document `importlib.abc.Finder` as deprecated.
-
-- Issue #15630: Add an example for "continue" stmt in the tutorial.  Patch by
-  Daniel Ellis.
-
-Tests
------
-
-- Issue #15747: ZFS always returns EOPNOTSUPP when attempting to set the
-  UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected tests in
-  test_posix.py to account for this.
-
-- Issue #15285: Refactor the approach for testing connect timeouts using two
-  external hosts that have been configured specifically for this type of test.
-
-- Issue #15743: Remove the deprecated method usage in `urllib` tests. Patch by
-  Jeff Knupp.
-
-- Issue #15615: Add some tests for the `json` module's handling of invalid input
-  data.  Patch by Kushal Das.
-
-Build
------
-
-- Output lib files for PGO build into PGO directory.
-
-- Pick up 32-bit launcher from PGO directory on 64-bit PGO build.
-
-- Drop ``PC\python_nt.h`` as it's not used.  Add input dependency on custom
-  build step.
-
-- Issue #15511: Drop explicit dependency on pythonxy.lib from _decimal amd64
-  configuration.
-
-- Add missing PGI/PGO configurations for pywlauncher.
-
-- Issue #15645: Ensure 2to3 grammar pickles are properly installed.
-
-
-What's New in Python 3.3.0 Beta 2?
-==================================
-
-*Release date: 12-Aug-2012*
-
-Core and Builtins
------------------
-
-- Issue #15568: Fix the return value of ``yield from`` when StopIteration is
-  raised by a custom iterator.
-
-- Issue #13119: `sys.stdout` and `sys.stderr` are now using "\r\n" newline on
-  Windows, as Python 2.
-
-- Issue #15534: Fix the fast-search function for non-ASCII Unicode strings.
-
-- Issue #15508: Fix the docstring for `__import__()` to have the proper default
-  value of 0 for 'level' and to not mention negative levels since they are not
-  supported.
-
-- Issue #15425: Eliminated traceback noise from more situations involving
-  importlib.
-
-- Issue #14578: Support modules registered in the Windows registry again.
-
-- Issue #15466: Stop using TYPE_INT64 in marshal, to make importlib.h (and other
-  byte code files) equal between 32-bit and 64-bit systems.
-
-- Issue #1692335: Move initial exception args assignment to
-  `BaseException.__new__()` to help pickling of naive subclasses.
-
-- Issue #12834: Fix `PyBuffer_ToContiguous()` for non-contiguous arrays.
-
-- Issue #15456: Fix code `__sizeof__()` after #12399 change.  Patch by Serhiy
-  Storchaka.
-
-- Issue #15404: Refleak in PyMethodObject repr.
-
-- Issue #15394: An issue in `PyModule_Create()` that caused references to be
-  leaked on some error paths has been fixed.  Patch by Julia Lawall.
-
-- Issue #15368: An issue that caused bytecode generation to be non-deterministic
-  has been fixed.
-
-- Issue #15202: Consistently use the name "follow_symlinks" for new parameters
-  in os and shutil functions.
-
-- Issue #15314: ``__main__.__loader__`` is now set correctly during interpreter
-  startup.
-
-- Issue #15111: When a module imported using 'from import' has an ImportError
-  inside itself, don't mask that fact behind a generic ImportError for the
-  module itself.
-
-- Issue #15293: Add GC support to the AST base node type.
-
-- Issue #15291: Fix a memory leak where AST nodes where not properly
-  deallocated.
-
-- Issue #15110: Fix the tracebacks generated by "import xxx" to not show the
-  importlib stack frames.
-
-- Issue #16369: Global PyTypeObjects not initialized with PyType_Ready(...).
-
-- Issue #15020: The program name used to search for Python's path is now
-  "python3" under Unix, not "python".
-
-- Issue #15897: zipimport.c doesn't check return value of fseek().
-  Patch by Felipe Cruz.
-
-- Issue #15033: Fix the exit status bug when modules invoked using -m switch,
-  return the proper failure return value (1). Patch contributed by Jeff Knupp.
-
-- Issue #15229: An `OSError` subclass whose __init__ doesn't call back
-  OSError.__init__ could produce incomplete instances, leading to crashes when
-  calling str() on them.
-
-- Issue #15307: Virtual environments now use symlinks with framework builds on
-  Mac OS X, like other POSIX builds.
-
-Library
--------
-
-- Issue #14590: configparser now correctly strips inline comments when delimiter
-  occurs earlier without preceding space.
-
-- Issue #15424: Add a `__sizeof__()` implementation for array objects.  Patch by
-  Ludwig Hähne.
-
-- Issue #15576: Allow extension modules to act as a package's __init__ module.
-
-- Issue #15502: Have `importlib.invalidate_caches()` work on `sys.meta_path`
-  instead of `sys.path_importer_cache`.
-
-- Issue #15163: Pydoc shouldn't list __loader__ as module data.
-
-- Issue #15471: Do not use mutable objects as defaults for
-  `importlib.__import__()`.
-
-- Issue #15559: To avoid a problematic failure mode when passed to the bytes
-  constructor, objects in the ipaddress module no longer implement `__index__()`
-  (they still implement `__int__()` as appropriate).
-
-- Issue #15546: Fix handling of pathological input data in the peek() and
-  read1() methods of the BZ2File, GzipFile and LZMAFile classes.
-
-- Issue #12655: Instead of requiring a custom type, `os.sched_getaffinity()` and
-  `os.sched_setaffinity()` now use regular sets of integers to represent the
-  CPUs a process is restricted to.
-
-- Issue #15538: Fix compilation of the `socket.getnameinfo()` /
-  `socket.getaddrinfo()` emulation code.  Patch by Philipp Hagemeister.
-
-- Issue #15519: Properly expose WindowsRegistryFinder in importlib (and use the
-  correct term for it).  Original patch by Eric Snow.
-
-- Issue #15502: Bring the importlib ABCs into line with the current state of the
-  import protocols given PEP 420.  Original patch by Eric Snow.
-
-- Issue #15499: Launching a webbrowser in Unix used to sleep for a few seconds.
-  Original patch by Anton Barkovsky.
-
-- Issue #15463: The faulthandler module truncates strings to 500 characters,
-  instead of 100, to be able to display long file paths.
-
-- Issue #6056: Make `multiprocessing` use setblocking(True) on the sockets it
-  uses.  Original patch by J Derek Wilson.
-
-- Issue #15364: Fix sysconfig.get_config_var('srcdir') to be an absolute path.
-
-- Issue #15413: `os.times()` had disappeared under Windows.
-
-- Issue #15402: An issue in the struct module that caused `sys.getsizeof()` to
-  return incorrect results for struct.Struct instances has been fixed.  Initial
-  patch by Serhiy Storchaka.
-
-- Issue #15232: When mangle_from is True, `email.Generator` now correctly
-  mangles lines that start with 'From ' that occur in a MIME preamble or
-  epilogue.
-
-- Issue #15094: Incorrectly placed #endif in _tkinter.c.  Patch by Serhiy
-  Storchaka.
-
-- Issue #13922: `argparse` no longer incorrectly strips '--'s that appear after
-  the first one.
-
-- Issue #12353: `argparse` now correctly handles null argument values.
-
-- Issue #10017, issue #14998: Fix TypeError using pprint on dictionaries with
-  user-defined types as keys or other unorderable keys.
-
-- Issue #15397: `inspect.getmodulename()` is now based directly on importlib via
-  a new `importlib.machinery.all_suffixes()` API.
-
-- Issue #14635: `telnetlib` will use poll() rather than select() when possible to
-  avoid failing due to the select() file descriptor limit.
-
-- Issue #15180: Clarify posixpath.join() error message when mixing str & bytes.
-
-- Issue #15343: pkgutil now includes an iter_importer_modules implementation for
-  importlib.machinery.FileFinder (similar to the way it already handled
-  zipimport.zipimporter).
-
-- Issue #15314: runpy now sets __main__.__loader__ correctly.
-
-- Issue #15357: The import emulation in pkgutil is now deprecated. pkgutil uses
-  importlib internally rather than the emulation.
-
-- Issue #15233: Python now guarantees that callables registered with the atexit
-  module will be called in a deterministic order.
-
-- Issue #15238: `shutil.copystat()` now copies Linux "extended attributes".
-
-- Issue #15230: runpy.run_path now correctly sets __package__ as described in
-  the documentation.
-
-- Issue #15315: Support VS 2010 in distutils cygwincompiler.
-
-- Issue #15294: Fix a regression in pkgutil.extend_path()'s handling of nested
-  namespace packages.
-
-- Issue #15056: `imp.cache_from_source()` and `imp.source_from_cache()` raise
-  NotImplementedError when `sys.implementation.cache_tag` is set to None.
-
-- Issue #15256: Grammatical mistake in exception raised by `imp.find_module()`.
-
-- Issue #5931: `wsgiref` environ variable SERVER_SOFTWARE will specify an
-  implementation specific term like CPython, Jython instead of generic "Python".
-
-- Issue #13248: Remove obsolete argument "max_buffer_size" of BufferedWriter and
-  BufferedRWPair, from the io module.
-
-- Issue #13248: Remove obsolete argument "version" of `argparse.ArgumentParser`.
-
-- Issue #14814: Implement more consistent ordering and sorting behaviour for
-  ipaddress objects.
-
-- Issue #14814: `ipaddress` network objects correctly return NotImplemented when
-  compared to arbitrary objects instead of raising TypeError.
-
-- Issue #14990: Correctly fail with SyntaxError on invalid encoding declaration.
-
-- Issue #14814: `ipaddress` now provides more informative error messages when
-  constructing instances directly (changes permitted during beta due to
-  provisional API status).
-
-- Issue #15247: `io.FileIO` now raises an error when given a file descriptor
-  pointing to a directory.
-
-- Issue #15261: Stop os.stat(fd) crashing on Windows when fd not open.
-
-- Issue #15166: Implement `imp.get_tag()` using `sys.implementation.cache_tag`.
-
-- Issue #15210: Catch KeyError when `importlib.__init__()` can't find
-  _frozen_importlib in sys.modules, not ImportError.
-
-- Issue #15030: `importlib.abc.PyPycLoader` now supports the new source size
-  header field in .pyc files.
-
-- Issue #5346: Preserve permissions of mbox, MMDF and Babyl mailbox files on
-  flush().
-
-- Issue #10571: Fix the "--sign" option of distutils' upload command.  Patch by
-  Jakub Wilk.
-
-- Issue #9559: If messages were only added, a new file is no longer created and
-  renamed over the old file when flush() is called on an mbox, MMDF or Babyl
-  mailbox.
-
-- Issue #10924: Fixed `crypt.mksalt()` to use a RNG that is suitable for
-  cryptographic purpose.
-
-- Issue #15184: Ensure consistent results of OS X configuration tailoring for
-  universal builds by factoring out common OS X-specific customizations from
-  sysconfig, distutils.sysconfig, distutils.util, and distutils.unixccompiler
-  into a new module _osx_support.
-
-C API
------
-
-- Issue #15610: `PyImport_ImportModuleEx()` now uses a 'level' of 0 instead of -1.
-
-- Issue #15169, issue #14599: Strip out the C implementation of
-  `imp.source_from_cache()` used by PyImport_ExecCodeModuleWithPathnames() and
-  used the Python code instead. Leads to PyImport_ExecCodeModuleObject() to not
-  try to infer the source path from the bytecode path as
-  PyImport_ExecCodeModuleWithPathnames() does.
-
-Extension Modules
------------------
-
-- Issue #6493: An issue in ctypes on Windows that caused structure bitfields of
-  type `ctypes.c_uint32` and width 32 to incorrectly be set has been fixed.
-
-- Issue #15194: Update libffi to the 3.0.11 release.
-
-IDLE
-----
-
-- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog
-  ended with ``\``.  Patch by Roger Serwy.
-
-Tools/Demos
------------
-
-- Issue #15458: python-config gets a new option --configdir to print the $LIBPL
-  value.
-
-- Move importlib.test.benchmark to Tools/importbench.
-
-- Issue #12605: The gdb hooks for debugging CPython (within Tools/gdb) have been
-  enhanced to show information on more C frames relevant to CPython within the
-  "py-bt" and "py-bt-full" commands:
-
-  * C frames that are waiting on the GIL
-  * C frames that are garbage-collecting
-  * C frames that are due to the invocation of a PyCFunction
-
-Documentation
--------------
-
-- Issue #15041: Update "see also" list in tkinter documentation.
-
-- Issue #15444: Use proper spelling for non-ASCII contributor names.  Patch by
-  Serhiy Storchaka.
-
-- Issue #15295: Reorganize and rewrite the documentation on the import system.
-
-- Issue #15230: Clearly document some of the limitations of the runpy module and
-  nudge readers towards importlib when appropriate.
-
-- Issue #15053: Copy Python 3.3 import lock change notice to all relevant
-  functions in imp instead of just at the top of the relevant section.
-
-- Issue #15288: Link to the term "loader" in notes in pkgutil about how things
-  won't work as expected in Python 3.3 and mark the requisite functions as
-  "changed" since they will no longer work with modules directly imported by
-  import itself.
-
-- Issue #13557: Clarify effect of giving two different namespaces to `exec()` or
-  `execfile()`.
-
-- Issue #15250: Document that `filecmp.dircmp()` compares files shallowly. Patch
-  contributed by Chris Jerdonek.
-
-- Issue #15442: Expose the default list of directories ignored by
-  `filecmp.dircmp()` as a module attribute, and expand the list to more modern
-  values.
-
-Tests
------
-
-- Issue #15467: Move helpers for `__sizeof__()` tests into test_support.  Patch
-  by Serhiy Storchaka.
-
-- Issue #15320: Make iterating the list of tests thread-safe when running tests
-  in multiprocess mode. Patch by Chris Jerdonek.
-
-- Issue #15168: Move `importlib.test` to `test.test_importlib`.
-
-- Issue #15091: Reactivate a test on UNIX which was failing thanks to a
-  forgotten `importlib.invalidate_caches()` call.
-
-- Issue #15230: Adopted a more systematic approach in the runpy tests.
-
-- Issue #15300: Ensure the temporary test working directories are in the same
-  parent folder when running tests in multiprocess mode from a Python build.
-  Patch by Chris Jerdonek.
-
-- Issue #15284: Skip {send,recv}msg tests in test_socket when IPv6 is not
-  enabled. Patch by Brian Brazil.
-
-- Issue #15277: Fix a resource leak in support.py when IPv6 is disabled.  Patch
-  by Brian Brazil.
-
-Build
------
-
-- Issue #11715: Fix multiarch detection without having Debian development tools
-  (dpkg-dev) installed.
-
-- Issue #15037: Build OS X installers with local copy of ncurses 5.9 libraries
-  to avoid curses.unget_wch bug present in older versions of ncurses such as
-  those shipped with OS X.
-
-- Issue #15560: Fix building _sqlite3 extension on OS X with an SDK.  Also, for
-  OS X installers, ensure consistent sqlite3 behavior and feature availability
-  by building a local copy of libsqlite3 rather than depending on the wide range
-  of versions supplied with various OS X releases.
-
-- Issue #8847: Disable COMDAT folding in Windows PGO builds.
-
-- Issue #14018: Fix OS X Tcl/Tk framework checking when using OS X SDKs.
-
-- Issue #16256: OS X installer now sets correct permissions for doc directory.
-
-- Issue #15431: Add _freeze_importlib project to regenerate importlib.h on
-  Windows. Patch by Kristján Valur Jónsson.
-
-- Issue #14197: For OS X framework builds, ensure links to the shared library
-  are created with the proper ABI suffix.
-
-- Issue #14330: For cross builds, don't use host python, use host search paths
-  for host compiler.
-
-- Issue #15235: Allow Berkley DB versions up to 5.3 to build the dbm module.
-
-- Issue #15268: Search curses.h in /usr/include/ncursesw.
-
-
-What's New in Python 3.3.0 Beta 1?
-==================================
-
-*Release date: 27-Jun-2012*
-
-Core and Builtins
------------------
-
-- Fix a (most likely) very rare memory leak when calling main() and not being
-  able to decode a command-line argument.
-
-- Issue #14815: Use Py_ssize_t instead of long for the object hash, to
-  preserve all 64 bits of hash on Win64.
-
-- Issue #12268: File readline, readlines and read() or readall() methods
-  no longer lose data when an underlying read system call is interrupted.
-  IOError is no longer raised due to a read system call returning EINTR
-  from within these methods.
-
-- Issue #11626: Add _SizeT functions to stable ABI.
-
-- Issue #15142: Fix reference leak when deallocating instances of types
-  created using PyType_FromSpec().
-
-- Issue #10053: Don't close FDs when FileIO.__init__ fails. Loosely based on
-  the work by Hirokazu Yamamoto.
-
-- Issue #15096: Removed support for ur'' as the raw notation isn't
-  compatible with Python 2.x's raw unicode strings.
-
-- Issue #13783: Generator objects now use the identifier APIs internally
-
-- Issue #14874: Restore charmap decoding speed to pre-PEP 393 levels.
-  Patch by Serhiy Storchaka.
-
-- Issue #15026: utf-16 encoding is now significantly faster (up to 10x).
-  Patch by Serhiy Storchaka.
-
-- Issue #11022: open() and io.TextIOWrapper are now calling
-  locale.getpreferredencoding(False) instead of locale.getpreferredencoding()
-  in text mode if the encoding is not specified. Don't change temporary the
-  locale encoding using locale.setlocale(), use the current locale encoding
-  instead of the user preferred encoding.
-
-- Issue #14673: Add Eric Snow's sys.implementation implementation.
-
-- Issue #15038: Optimize python Locks on Windows.
-
-Library
--------
-
-- Issue #12288: Consider '0' and '0.0' as valid initialvalue
-  for tkinter SimpleDialog.
-
-- Issue #15512: Add a __sizeof__ implementation for parser.
-  Patch by Serhiy Storchaka.
-
-- Issue #15469: Add a __sizeof__ implementation for deque objects.
-  Patch by Serhiy Storchaka.
-
-- Issue #15489: Add a __sizeof__ implementation for BytesIO objects.
-  Patch by Serhiy Storchaka.
-
-- Issue #15487: Add a __sizeof__ implementation for buffered I/O objects.
-  Patch by Serhiy Storchaka.
-
-- Issue #15514: Correct __sizeof__ support for cpu_set.
-  Patch by Serhiy Storchaka.
-
-- Issue #15177: Added dir_fd parameter to os.fwalk().
-
-- Issue #15061: Re-implemented hmac.compare_digest() in C to prevent further
-  timing analysis and to support all buffer protocol aware objects as well as
-  ASCII only str instances safely.
-
-- Issue #15164: Change return value of platform.uname() from a
-  plain tuple to a collections.namedtuple.
-
-- Support Mageia Linux in the platform module.
-
-- Issue #11678: Support Arch linux in the platform module.
-
-- Issue #15118: Change return value of os.uname() and os.times() from
-  plain tuples to immutable iterable objects with named attributes
-  (structseq objects).
-
-- Speed up _decimal by another 10-15% by caching the thread local context
-  that was last accessed. In the pi benchmark (64-bit platform, prec=9),
-  _decimal is now only 1.5x slower than float.
-
-- Remove the packaging module, which is not ready for prime time.
-
-- Issue #15154: Add "dir_fd" parameter to os.rmdir, remove "rmdir"
-  parameter from os.remove / os.unlink.
-
-- Issue #4489: Add a shutil.rmtree that isn't susceptible to symlink attacks.
-  It is used automatically on platforms supporting the necessary os.openat()
-  and os.unlinkat() functions. Main code by Martin von Löwis.
-
-- Issue #15156: HTMLParser now uses the new "html.entities.html5" dictionary.
-
-- Issue #11113: add a new "html5" dictionary containing the named character
-  references defined by the HTML5 standard and the equivalent Unicode
-  character(s) to the html.entities module.
-
-- Issue #15114: the strict mode of HTMLParser and the HTMLParseError exception
-  are deprecated now that the parser is able to parse invalid markup.
-
-- Issue #3665: \u and \U escapes are now supported in unicode regular
-  expressions.  Patch by Serhiy Storchaka.
-
-- Issue #15153: Added inspect.getgeneratorlocals to simplify white box
-  testing of generator state updates
-
-- Issue #13062: Added inspect.getclosurevars to simplify testing stateful
-  closures
-
-- Issue #11024: Fixes and additional tests for Time2Internaldate.
-
-- Issue #14626: Large refactoring of functions / parameters in the os module.
-  Many functions now support "dir_fd" and "follow_symlinks" parameters;
-  some also support accepting an open file descriptor in place of a path
-  string.  Added os.support_* collections as LBYL helpers.  Removed many
-  functions only previously seen in 3.3 alpha releases (often starting with
-  "f" or "l", or ending with "at").  Originally suggested by Serhiy Storchaka;
-  implemented by Larry Hastings.
-
-- Issue #15008: Implement PEP 362 "Signature Objects".
-  Patch by Yury Selivanov.
-
-- Issue: #15138: base64.urlsafe_{en,de}code() are now 3-4x faster.
-
-- Issue #444582: Add shutil.which, for finding programs on the system path.
-  Original patch by Erik Demaine, with later iterations by Jan Killian
-  and Brian Curtin.
-
-- Issue #14837: SSL errors now have ``library`` and ``reason`` attributes
-  describing precisely what happened and in which OpenSSL submodule.  The
-  str() of a SSLError is also enhanced accordingly.
-
-- Issue #9527: datetime.astimezone() method will now supply a class
-  timezone instance corresponding to the system local timezone when
-  called with no arguments.
-
-- Issue #14653: email.utils.mktime_tz() no longer relies on system
-  mktime() when timezone offest is supplied.
-
-- Issue #14684: zlib.compressobj() and zlib.decompressobj() now support the use
-  of predefined compression dictionaries. Original patch by Sam Rushing.
-
-- Fix GzipFile's handling of filenames given as bytes objects.
-
-- Issue #14772: Return destination values from some shutil functions.
-
-- Issue #15064: Implement context manager protocol for multiprocessing types
-
-- Issue #15101: Make pool finalizer avoid joining current thread.
-
-- Issue #14657: The frozen instance of importlib used for bootstrap is now
-  also the module imported as importlib._bootstrap.
-
-- Issue #14055: Add __sizeof__ support to _elementtree.
-
-- Issue #15054: A bug in tokenize.tokenize that caused string literals
-  with 'b' prefixes to be incorrectly tokenized has been fixed.
-  Patch by Serhiy Storchaka.
-
-- Issue #15006: Allow equality comparison between naive and aware
-  time or datetime objects.
-
-- Issue #15036: Mailbox no longer throws an error if a flush is done
-  between operations when removing or changing multiple items in mbox,
-  MMDF, or Babyl mailboxes.
-
-- Issue #14059: Implement multiprocessing.Barrier.
-
-- Issue #15061: The inappropriately named hmac.secure_compare has been
-  renamed to hmac.compare_digest, restricted to operating on bytes inputs
-  only and had its documentation updated to more accurately reflect both its
-  intent and its limitations
-
-- Issue #13841: Make child processes exit using sys.exit() on Windows.
-
-- Issue #14936: curses_panel was converted to PEP 3121 and PEP 384 API.
-  Patch by Robin Schreiber.
-
-- Issue #1667546: On platforms supporting tm_zone and tm_gmtoff fields
-  in struct tm, time.struct_time objects returned by time.gmtime(),
-  time.localtime() and time.strptime() functions now have tm_zone and
-  tm_gmtoff attributes.  Original patch by Paul Boddie.
-
-- Rename adjusted attribute to adjustable in time.get_clock_info() result.
-
-- Issue #3518: Remove references to non-existent BaseManager.from_address()
-  method.
-
-- Issue #13857: Added textwrap.indent() function (initial patch by Ezra
-  Berch)
-
-- Issue #2736: Added datetime.timestamp() method.
-
-- Issue #13854: Make multiprocessing properly handle non-integer
-  non-string argument to SystemExit.
-
-- Issue #12157: Make pool.map() empty iterables correctly.  Initial
-  patch by mouad.
-
-- Issue #11823: disassembly now shows argument counts on calls with keyword args.
-
-- Issue #14711: os.stat_float_times() has been deprecated.
-
-- LZMAFile now accepts the modes "rb"/"wb"/"ab" as synonyms of "r"/"w"/"a".
-
-- The bz2 and lzma modules now each contain an open() function, allowing
-  compressed files to readily be opened in text mode as well as binary mode.
-
-- BZ2File.__init__() and LZMAFile.__init__() now accept a file object as their
-  first argument, rather than requiring a separate "fileobj" argument.
-
-- gzip.open() now accepts file objects as well as filenames.
-
-- Issue #14992: os.makedirs(path, exist_ok=True) would raise an OSError
-  when the path existed and had the S_ISGID mode bit set when it was
-  not explicitly asked for.  This is no longer an exception as mkdir
-  cannot control if the OS sets that bit for it or not.
-
-- Issue #14989: Make the CGI enable option to http.server available via command
-  line.
-
-- Issue #14987: Add a missing import statement to inspect.
-
-- Issue #1079: email.header.decode_header now correctly parses all the examples
-  in RFC2047.  There is a necessary visible behavior change: the leading and/or
-  trailing whitespace on ASCII parts is now preserved.
-
-- Issue #14969: Better handling of exception chaining in contextlib.ExitStack
-
-- Issue #14963: Convert contextlib.ExitStack.__exit__ to use an iterative
-  algorithm (Patch by Alon Horev)
-
-- Issue #14785: Add sys._debugmallocstats() to help debug low-level memory
-  allocation issues
-
-- Issue #14443: Ensure that .py files are byte-compiled with the correct Python
-  executable within bdist_rpm even on older versions of RPM
-
-C-API
------
-
-- Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber.
-
-- Issue #15042: Add PyState_AddModule and PyState_RemoveModule. Add version
-  guard for Py_LIMITED_API additions. Patch by Robin Schreiber.
-
-- Issue #13783: Inadvertent additions to the public C API in the PEP 380
-  implementation have either been removed or marked as private interfaces.
-
-Extension Modules
------------------
-
-- Issue #15000: Support the "unique" x32 architecture in _posixsubprocess.c.
-
-IDLE
-----
-
-- Issue #9803: Don't close IDLE on saving if breakpoint is open.
-  Patch by Roger Serwy.
-
-- Issue #14962: Update text coloring in IDLE shell window after changing
-  options.  Patch by Roger Serwy.
-
-Documentation
--------------
-
-- Issue #15176: Clarified behavior, documentation, and implementation
-  of os.listdir().
-
-- Issue #14982: Document that pkgutil's iteration functions require the
-  non-standard iter_modules() method to be defined by an importer (something
-  the importlib importers do not define).
-
-- Issue #15081: Document PyState_FindModule.
-  Patch by Robin Schreiber.
-
-- Issue #14814: Added first draft of ipaddress module API reference
-
-Tests
------
-
-- Issue #15187: Bugfix: remove temporary directories test_shutil was leaving
-  behind.
-
-- Issue #14769: test_capi now has SkipitemTest, which cleverly checks
-  for "parity" between PyArg_ParseTuple() and the Python/getargs.c static
-  function skipitem() for all possible "format units".
-
-- test_nntplib now tolerates being run from behind NNTP gateways that add
-  "X-Antivirus" headers to articles
-
-- Issue #15043: test_gdb is now skipped entirely if gdb security settings
-  block loading of the gdb hooks
-
-- Issue #14963: Add test cases for exception handling behaviour
-  in contextlib.ExitStack (Initial patch by Alon Horev)
-
-Build
------
-
-- Issue #13590: Improve support for OS X Xcode 4:
-    * Try to avoid building Python or extension modules with problematic
-      llvm-gcc compiler.
-    * Since Xcode 4 removes ppc support, extension module builds now
-      check for ppc compiler support and automatically remove ppc and
-      ppc64 archs when not available.
-    * Since Xcode 4 no longer install SDKs in default locations,
-      extension module builds now revert to using installed headers
-      and libs if the SDK used to build the interpreter is not
-      available.
-    * Update ./configure to use better defaults for universal builds;
-      in particular, --enable-universalsdk=yes uses the Xcode default
-      SDK and --with-universal-archs now defaults to "intel" if ppc
-      not available.
-
-- Issue #14225: Fix Unicode support for curses (#12567) on OS X
-
-- Issue #14928: Fix importlib bootstrap issues by using a custom executable
-  (Modules/_freeze_importlib) to build Python/importlib.h.
-
-
-What's New in Python 3.3.0 Alpha 4?
-===================================
-
-*Release date: 31-May-2012*
-
-Core and Builtins
------------------
-
-- Issue #14835: Make plistlib output empty arrays & dicts like OS X.
-  Patch by Sidney San Martín.
-
-- Issue #14744: Use the new _PyUnicodeWriter internal API to speed up
-  str%args and str.format(args).
-
-- Issue #14930: Make memoryview objects weakrefable.
-
-- Issue #14775: Fix a potential quadratic dict build-up due to the garbage
-  collector repeatedly trying to untrack dicts.
-
-- Issue #14857: fix regression in references to PEP 3135 implicit __class__
-  closure variable (Reopens issue #12370)
-
-- Issue #14712 (PEP 405): Virtual environments. Implemented by Vinay Sajip.
-
-- Issue #14660 (PEP 420): Namespace packages. Implemented by Eric Smith.
-
-- Issue #14494: Fix __future__.py and its documentation to note that
-  absolute imports are the default behavior in 3.0 instead of 2.7.
-  Patch by Sven Marnach.
-
-- Issue #9260: A finer-grained import lock.  Most of the import sequence
-  now uses per-module locks rather than the global import lock, eliminating
-  well-known issues with threads and imports.
-
-- Issue #14624: UTF-16 decoding is now 3x to 4x faster on various inputs.
-  Patch by Serhiy Storchaka.
-
-- asdl_seq and asdl_int_seq are now Py_ssize_t sized.
-
-- Issue #14133 (PEP 415): Implement suppression of __context__ display with an
-  attribute on BaseException. This replaces the original mechanism of PEP 409.
-
-- Issue #14417: Mutating a dict during lookup now restarts the lookup instead
-  of raising a RuntimeError (undoes issue #14205).
-
-- Issue #14738: Speed-up UTF-8 decoding on non-ASCII data.  Patch by Serhiy
-  Storchaka.
-
-- Issue #14700: Fix two broken and undefined-behaviour-inducing overflow checks
-  in old-style string formatting.
-
-Library
--------
-
-- Issue #14690: Use monotonic clock instead of system clock in the sched,
-  subprocess and trace modules.
-
-- Issue #14443: Tell rpmbuild to use the correct version of Python in
-  bdist_rpm. Initial patch by Ross Lagerwall.
-
-- Issue #12515: email now registers a defect if it gets to EOF while parsing
-  a MIME part without seeing the closing MIME boundary.
-
-- Issue #1672568: email now always decodes base64 payloads, adding padding and
-  ignoring non-base64-alphabet characters if needed, and registering defects
-  for any such problems.
-
-- Issue #14925: email now registers a defect when the parser decides that there
-  is a missing header/body separator line.  MalformedHeaderDefect, which the
-  existing code would never actually generate, is deprecated.
-
-- Issue #10365: File open dialog now works instead of crashing even when
-  the parent window is closed before the dialog. Patch by Roger Serwy.
-
-- Issue #8739: Updated smtpd to support RFC 5321, and added support for the
-  RFC 1870 SIZE extension.
-
-- Issue #665194: Added a localtime function to email.utils to provide an
-  aware local datetime for use in setting Date headers.
-
-- Issue #12586: Added new provisional policies that implement convenient
-  unicode support for email headers.  See What's New for details.
-
-- Issue #14731: Refactored email Policy framework to support full backward
-  compatibility with Python 3.2 by default yet allow for the introduction of
-  new features through new policies.  Note that Policy.must_be_7bit is renamed
-  to cte_type.
-
-- Issue #14876: Use user-selected font for highlight configuration.
-
-- Issue #14920: Fix the help(urllib.parse) failure on locale C on terminals.
-  Have ascii characters in help.
-
-- Issue #14548: Make multiprocessing finalizers check pid before
-  running to cope with possibility of gc running just after fork.
-
-- Issue #14036: Add an additional check to validate that port in urlparse does
-  not go in illegal range and returns None.
-
-- Issue #14862: Add missing names to os.__all__
-
-- Issue #14875: Use float('inf') instead of float('1e66666') in the json module.
-
-- Issue #13585: Added contextlib.ExitStack
-
-- PEP 3144, Issue #14814: Added the ipaddress module
-
-- Issue #14426: Correct the Date format in Expires attribute of Set-Cookie
-  Header in Cookie.py.
-
-- Issue #14588: The types module now provide new_class() and prepare_class()
-  functions to support PEP 3115 compliant dynamic class creation. Patch by
-  Daniel Urban and Nick Coghlan.
-
-- Issue #13152: Allow to specify a custom tabsize for expanding tabs in
-  textwrap. Patch by John Feuerstein.
-
-- Issue #14721: Send the correct 'Content-length: 0' header when the body is an
-  empty string ''. Initial Patch contributed by Arve Knudsen.
-
-- Issue #14072: Fix parsing of 'tel' URIs in urlparse by making the check for
-  ports stricter.
-
-- Issue #9374: Generic parsing of query and fragment portions of url for any
-  scheme. Supported both by RFC3986 and RFC2396.
-
-- Issue #14798: Fix the functions in pyclbr to raise an ImportError
-  when the first part of a dotted name is not a package. Patch by
-  Xavier de Gaye.
-
-- Issue #12098: multiprocessing on Windows now starts child processes
-  using the same sys.flags as the current process.  Initial patch by
-  Sergey Mezentsev.
-
-- Issue #13031: Small speed-up for tarfile when unzipping tarfiles.
-  Patch by Justin Peel.
-
-- Issue #14780: urllib.request.urlopen() now has a ``cadefault`` argument
-  to use the default certificate store.  Initial patch by James Oakley.
-
-- Issue #14829: Fix bisect and range() indexing with large indices
-  (>= 2 ** 32) under 64-bit Windows.
-
-- Issue #14732: The _csv module now uses PEP 3121 module initialization.
-  Patch by Robin Schreiber.
-
-- Issue #14809: Add HTTP status codes introduced by RFC 6585 to http.server
-  and http.client. Patch by EungJun Yi.
-
-- Issue #14777: tkinter may return undecoded UTF-8 bytes as a string when
-  accessing the Tk clipboard.  Modify clipboad_get() to first request type
-  UTF8_STRING when no specific type is requested in an X11 windowing
-  environment, falling back to the current default type STRING if that fails.
-  Original patch by Thomas Kluyver.
-
-- Issue #14773: Fix os.fwalk() failing on dangling symlinks.
-
-- Issue #12541: Be lenient with quotes around Realm field of HTTP Basic
-  Authentation in urllib2.
-
-- Issue #14807: move undocumented tarfile.filemode() to stat.filemode() and add
-  doc entry. Add tarfile.filemode alias with deprecation warning.
-
-- Issue #13815: TarFile.extractfile() now returns io.BufferedReader objects.
-
-- Issue #14532: Add a secure_compare() helper to the hmac module, to mitigate
-  timing attacks. Patch by Jon Oberheide.
-
-- Add importlib.util.resolve_name().
-
-- Issue #14366: Support lzma compression in zip files.
-  Patch by Serhiy Storchaka.
-
-- Issue #13959: Introduce importlib.find_loader() and document
-  imp.find_module/load_module as deprecated.
-
-- Issue #14082: shutil.copy2() now copies extended attributes, if possible.
-  Patch by Hynek Schlawack.
-
-- Issue #13959: Make importlib.abc.FileLoader.load_module()/get_filename() and
-  importlib.machinery.ExtensionFileLoader.load_module() have their single
-  argument be optional. Allows for the replacement (and thus deprecation) of
-  imp.load_source()/load_package()/load_compiled().
-
-- Issue #13959: imp.get_suffixes() has been deprecated in favour of the new
-  attributes on importlib.machinery: SOURCE_SUFFIXES, DEBUG_BYTECODE_SUFFIXES,
-  OPTIMIZED_BYTECODE_SUFFIXES, BYTECODE_SUFFIXES, and EXTENSION_SUFFIXES. This
-  led to an indirect deprecation of inspect.getmoduleinfo().
-
-- Issue #14662: Prevent shutil failures on OS X when destination does not
-  support chflag operations.  Patch by Hynek Schlawack.
-
-- Issue #14157: Fix time.strptime failing without a year on February 29th.
-  Patch by Hynek Schlawack.
-
-- Issue #14753: Make multiprocessing's handling of negative timeouts
-  the same as it was in Python 3.2.
-
-- Issue #14583: Fix importlib bug when a package's __init__.py would first
-  import one of its modules then raise an error.
-
-- Issue #14741: Fix missing support for Ellipsis ('...') in parser module.
-
-- Issue #14697: Fix missing support for set displays and set comprehensions in
-  parser module.
-
-- Issue #14701: Fix missing support for 'raise ... from' in parser module.
-
-- Add support for timeouts to the acquire() methods of
-  multiprocessing's lock/semaphore/condition proxies.
-
-- Issue #13989: Add support for text mode to gzip.open().
-
-- Issue #14127: The os.stat() result object now provides three additional
-  fields: st_ctime_ns, st_mtime_ns, and st_atime_ns, providing those times as an
-  integer with nanosecond resolution.  The functions os.utime(), os.lutimes(),
-  and os.futimes() now accept a new parameter, ns, which accepts mtime and atime
-  as integers with nanosecond resolution.
-
-- Issue #14127 and #10148: shutil.copystat now preserves exact mtime and atime
-  on filesystems providing nanosecond resolution.
-
-IDLE
-----
-
-- Issue #14958: Change IDLE systax highlighting to recognize all string and
-  byte literals supported in Python 3.3.
-
-- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu.
-
-- Issue #14929: Stop IDLE 3.x from closing on Unicode decode errors when
-  grepping. Patch by Roger Serwy.
-
-- Issue #12510: Attempting to get invalid tooltip no longer closes IDLE.
-  Other tooltipss have been corrected or improved and the number of tests
-  has been tripled. Original patch by Roger Serwy.
-
-Tools/Demos
------------
-
-- Issue #14695: Bring Tools/parser/unparse.py support up to date with
-  the Python 3.3 Grammar.
-
-Build
------
-
-- Issue #14472: Update .gitignore. Patch by Matej Cepl.
-
-- Upgrade Windows library versions: bzip 1.0.6, OpenSSL 1.0.1c.
-
-- Issue #14693: Under non-Windows platforms, hashlib's fallback modules are
-  always compiled, even if OpenSSL is present at build time.
-
-- Issue #13210: Windows build now uses VS2010, ported from VS2008.
-
-C-API
------
-
-- Issue #14705: The PyArg_Parse() family of functions now support the 'p' format
-  unit, which accepts a "boolean predicate" argument.  It converts any Python
-  value into an integer--0 if it is "false", and 1 otherwise.
-
-Documentation
--------------
-
-- Issue #14863: Update the documentation of os.fdopen() to reflect the
-  fact that it's only a thin wrapper around open() anymore.
-
-- Issue #14588: The language reference now accurately documents the Python 3
-  class definition process. Patch by Nick Coghlan.
-
-- Issue #14943: Correct a default argument value for winreg.OpenKey
-  and correctly list the argument names in the function's explanation.
-
-
-What's New in Python 3.3.0 Alpha 3?
-===================================
-
-*Release date: 01-May-2012*
-
-Core and Builtins
------------------
-
-- Issue #14699: Fix calling the classmethod descriptor directly.
-
-- Issue #14433: Prevent msvcrt crash in interactive prompt when stdin is closed.
-
-- Issue #14521: Make result of float('nan') and float('-nan') more consistent
-  across platforms.
-
-- Issue #14646: __import__() sets __loader__ if the loader did not.
-
-- Issue #14605: No longer have implicit entries in sys.meta_path. If
-  sys.meta_path is found to be empty, raise ImportWarning.
-
-- Issue #14605: No longer have implicit entries in sys.path_hooks. If
-  sys.path_hooks is found to be empty, a warning will be raised. None is now
-  inserted into sys.path_importer_cache if no finder was discovered. This also
-  means imp.NullImporter is no longer implicitly used.
-
-- Issue #13903: Implement PEP 412. Individual dictionary instances can now share
-  their keys with other dictionaries. Classes take advantage of this to share
-  their instance dictionary keys for improved memory and performance.
-
-- Issue #11603 (again): Setting __repr__ to __str__ now raises a RuntimeError
-  when repr() or str() is called on such an object.
-
-- Issue #14658: Fix binding a special method to a builtin implementation of a
-  special method with a different name.
-
-- Issue #14630: Fix a memory access bug for instances of a subclass of int
-  with value 0.
-
-- Issue #14339: Speed improvements to bin, oct and hex functions.  Patch by
-  Serhiy Storchaka.
-
-- Issue #14385: It is now possible to use a custom type for the __builtins__
-  namespace, instead of a dict. It can be used for sandboxing for example.
-  Raise also a NameError instead of ImportError if __build_class__ name if not
-  found in __builtins__.
-
-- Issue #12599: Be more strict in accepting None compared to a false-like
-  object for importlib.util.module_for_loader and
-  importlib.machinery.PathFinder.
-
-- Issue #14612: Fix jumping around with blocks by setting f_lineno.
-
-- Issue #14592: Attempting a relative import w/o __package__ or __name__ set in
-  globals raises a KeyError.
-
-- Issue #14607: Fix keyword-only arguments which started with ``__``.
-
-- Issue #10854: The ImportError raised when an extension module on Windows
-  fails to import now uses the new path and name attributes from
-  Issue #1559549.
-
-- Issue #13889: Check and (if necessary) set FPU control word before calling
-  any of the dtoa.c string <-> float conversion functions, on MSVC builds of
-  Python.  This fixes issues when embedding Python in a Delphi app.
-
-- __import__() now matches PEP 328 and documentation by defaulting 'index' to 0
-  instead of -1 and removing support for negative values.
-
-- Issue #2377: Make importlib the implementation of __import__().
-
-- Issue #1559549: ImportError now has 'name' and 'path' attributes that are set
-  using keyword arguments to its constructor. They are currently not set by
-  import as they are meant for use by importlib.
-
-- Issue #14474: Save and restore exception state in thread.start_new_thread()
-  while writing error message if the thread leaves a unhandled exception.
-
-- Issue #13019: Fix potential reference leaks in bytearray.extend().  Patch
-  by Suman Saha.
-
-Library
--------
-
-- Issue #14768: os.path.expanduser('~/a') doesn't works correctly when HOME is '/'.
-
-- Issue #14371: Support bzip2 in zipfile module.  Patch by Serhiy Storchaka.
-
-- Issue #13183: Fix pdb skipping frames after hitting a breakpoint and running
-  step.  Patch by Xavier de Gaye.
-
-- Issue #14696: Fix parser module to understand 'nonlocal' declarations.
-
-- Issue #10941: Fix imaplib.Internaldate2tuple to produce correct result near
-  the DST transition.  Patch by Joe Peterson.
-
-- Issue #9154: Fix parser module to understand function annotations.
-
-- Issue #6085: In http.server.py SimpleHTTPServer.address_string returns the
-  client ip address instead client hostname. Patch by Charles-François Natali.
-
-- Issue #14309: Deprecate time.clock(), use time.perf_counter() or
-  time.process_time() instead.
-
-- Issue #14428: Implement the PEP 418. Add time.get_clock_info(),
-  time.perf_counter() and time.process_time() functions, and rename
-  time.steady() to time.monotonic().
-
-- Issue #14646: importlib.util.module_for_loader() now sets __loader__ and
-  __package__ (when possible).
-
-- Issue #14664: It is now possible to use @unittest.skip{If,Unless} on a
-  test class that doesn't inherit from TestCase (i.e. a mixin).
-
-- Issue #4892: multiprocessing Connections can now be transferred over
-  multiprocessing Connections.  Patch by Richard Oudkerk (sbt).
-
-- Issue #14160: TarFile.extractfile() failed to resolve symbolic links when
-  the links were not located in an archive subdirectory.
-
-- Issue #14638: pydoc now treats non-string __name__ values as if they
-  were missing, instead of raising an error.
-
-- Issue #13684: Fix httplib tunnel issue of infinite loops for certain sites
-  which send EOF without trailing \r\n.
-
-- Issue #14605: Add importlib.abc.FileLoader, importlib.machinery.(FileFinder,
-  SourceFileLoader, SourcelessFileLoader, ExtensionFileLoader).
-
-- Issue #13959: imp.cache_from_source()/source_from_cache() now follow
-  os.path.join()/split() semantics for path manipulation instead of its prior,
-  custom semantics of caring the right-most path separator forward in path
-  joining.
-
-- Issue #2193: Allow ":" character in Cookie NAME values.
-
-- Issue #14629: tokenizer.detect_encoding will specify the filename in the
-  SyntaxError exception if found at readline.__self__.name.
-
-- Issue #14629: Raise SyntaxError in tokenizer.detect_encoding if the
-  first two lines have non-UTF-8 characters without an encoding declaration.
-
-- Issue #14308: Fix an exception when a "dummy" thread is in the threading
-  module's active list after a fork().
-
-- Issue #11750: The Windows API functions scattered in the _subprocess and
-  _multiprocessing.win32 modules now live in a single module "_winapi".
-  Patch by sbt.
-
-- Issue #14087: multiprocessing: add Condition.wait_for(). Patch by sbt.
-
-- Issue #14538: HTMLParser can now parse correctly start tags that contain
-  a bare '/'.
-
-- Issue #14452: SysLogHandler no longer inserts a UTF-8 BOM into the message.
-
-- Issue #14386: Expose the dict_proxy internal type as types.MappingProxyType.
-
-- Issue #13959: Make imp.reload() always use a module's __loader__ to perform
-  the reload.
-
-- Issue #13959: Add imp.py and rename the built-in module to _imp, allowing for
-  re-implementing parts of the module in pure Python.
-
-- Issue #13496: Fix potential overflow in bisect.bisect algorithm when applied
-  to a collection of size > sys.maxsize / 2.
-
-- Have importlib take advantage of ImportError's new 'name' and 'path'
-  attributes.
-
-- Issue #14399: zipfile now recognizes that the archive has been modified even
-  if only the comment is changed.  In addition, the TypeError that results from
-  trying to set a non-binary value as a comment is now raised at the time
-  the comment is set rather than at the time the zipfile is written.
-
-- trace.CoverageResults.is_ignored_filename() now ignores any name that starts
-  with "<" and ends with ">" instead of special-casing "<string>" and
-  "<doctest ".
-
-- Issue #12537: The mailbox module no longer depends on knowledge of internal
-  implementation details of the email package Message object.
-
-- Issue #7978: socketserver now restarts the select() call when EINTR is
-  returned.  This avoids crashing the server loop when a signal is received.
-  Patch by Jerzy Kozera.
-
-- Issue #14522: Avoid duplicating socket handles in multiprocessing.connection.
-  Patch by sbt.
-
-- Don't Py_DECREF NULL variable in io.IncrementalNewlineDecoder.
-
-- Issue #3033: Add displayof parameter to tkinter font. Patch by Guilherme Polo.
-
-- Issue #14482: Raise a ValueError, not a NameError, when trying to create
-  a multiprocessing Client or Listener with an AF_UNIX type address under
-  Windows.  Patch by Popa Claudiu.
-
-- Issue #802310: Generate always unique tkinter font names if not directly passed.
-
-- Issue #14151: Raise a ValueError, not a NameError, when trying to create
-  a multiprocessing Client or Listener with an AF_PIPE type address under
-  non-Windows platforms.  Patch by Popa Claudiu.
-
-- Issue #14493: Use gvfs-open or xdg-open in webbrowser.
-
-Build
------
-
-- "make touch" will now touch generated files that are checked into Mercurial,
-  after a "hg update" which failed to bring the timestamps into the right order.
-
-Tests
------
-
-- Issue #14026: In test_cmd_line_script, check that sys.argv is populated
-  correctly for the various invocation approaches (Patch by Jason Yeo)
-
-- Issue #14032: Fix incorrect variable name in test_cmd_line_script debugging
-  message (Patch by Jason Yeo)
-
-- Issue #14589: Update certificate chain for sha256.tbs-internet.com, fixing
-  a test failure in test_ssl.
-
-- Issue #14355: Regrtest now supports the standard unittest test loading, and
-  will use it if a test file contains no `test_main` method.
-
-IDLE
-----
-
-- Issue #8515: Set __file__ when run file in IDLE.
-  Initial patch by Bruce Frederiksen.
-
-- Issue #14496: Fix wrong name in idlelib/tabbedpages.py.
-  Patch by Popa Claudiu.
-
-Tools / Demos
--------------
-
-- Issue #3561: The Windows installer now has an option, off by default, for
-  placing the Python installation into the system "Path" environment variable.
-
-- Issue #13165: stringbench is now available in the Tools/stringbench folder.
-  It used to live in its own SVN project.
-
-C-API
------
-
-- Issue #14098: New functions PyErr_GetExcInfo and PyErr_SetExcInfo.
-  Patch by Stefan Behnel.
-
-
-What's New in Python 3.3.0 Alpha 2?
-===================================
-
-*Release date: 01-Apr-2012*
-
-Core and Builtins
------------------
-
-- Issue #1683368: object.__new__ and object.__init__ raise a TypeError if they
-  are passed arguments and their complementary method is not overridden.
-
-- Issue #14378: Fix compiling ast.ImportFrom nodes with a "__future__" string as
-  the module name that was not interned.
-
-- Issue #14331: Use significantly less stack space when importing modules by
-  allocating path buffers on the heap instead of the stack.
-
-- Issue #14334: Prevent in a segfault in type.__getattribute__ when it was not
-  passed strings.
-
-- Issue #1469629: Allow cycles through an object's __dict__ slot to be
-  collected. (For example if ``x.__dict__ is x``).
-
-- Issue #14205: dict lookup raises a RuntimeError if the dict is modified
-  during a lookup.
-
-- Issue #14220: When a generator is delegating to another iterator with the
-  yield from syntax, it needs to have its ``gi_running`` flag set to True.
-
-- Issue #14435: Remove dedicated block allocator from floatobject.c and rely
-  on the PyObject_Malloc() api like all other objects.
-
-- Issue #14471: Fix a possible buffer overrun in the winreg module.
-
-- Issue #14288: Allow the serialization of builtin iterators
-
-Library
--------
-
-- Issue #14300: Under Windows, sockets created using socket.dup() now allow
-  overlapped I/O.  Patch by sbt.
-
-- Issue #13872: socket.detach() now marks the socket closed (as mirrored
-  in the socket repr()).  Patch by Matt Joiner.
-
-- Issue #14406: Fix a race condition when using ``concurrent.futures.wait(
-  return_when=ALL_COMPLETED)``.  Patch by Matt Joiner.
-
-- Issue #5136: deprecate old, unused functions from tkinter.
-
-- Issue #14416: syslog now defines the LOG_ODELAY and LOG_AUTHPRIV constants
-  if they are defined in <syslog.h>.
-
-- Issue #14295: Add unittest.mock
-
-- Issue #7652: Add --with-system-libmpdec option to configure for linking
-  the _decimal module against an installed libmpdec.
-
-- Issue #14380: MIMEText now defaults to utf-8 when passed non-ASCII unicode
-  with no charset specified.
-
-- Issue #10340: asyncore - properly handle EINVAL in dispatcher constructor on
-  OSX; avoid to call handle_connect in case of a disconnected socket which
-  was not meant to connect.
-
-- Issue #14204: The ssl module now has support for the Next Protocol
-  Negotiation extension, if available in the underlying OpenSSL library.
-  Patch by Colin Marc.
-
-- Issue #3035: Unused functions from tkinter are marked as pending deprecated.
-
-- Issue #12757: Fix the skipping of doctests when python is run with -OO so
-  that it works in unittest's verbose mode as well as non-verbose mode.
-
-- Issue #7652: Integrate the decimal floating point libmpdec library to speed
-  up the decimal module. Performance gains of the new C implementation are
-  between 10x and 100x, depending on the application.
-
-- Issue #14269: SMTPD now conforms to the RFC and requires a HELO command
-  before MAIL, RCPT, or DATA.
-
-- Issue #13694: asynchronous connect in asyncore.dispatcher does not set addr
-  attribute.
-
-- Issue #14344: fixed the repr of email.policy objects.
-
-- Issue #11686: Added missing entries to email package __all__ lists
-  (mostly the new Bytes classes).
-
-- Issue #14335: multiprocessing's custom Pickler subclass now inherits from
-  the C-accelerated implementation.  Patch by sbt.
-
-- Issue #10484: Fix the CGIHTTPServer's PATH_INFO handling problem.
-
-- Issue #11199: Fix the with urllib which hangs on particular ftp urls.
-
-- Improve the memory utilization and speed of functools.lru_cache.
-
-- Issue #14222: Use the new time.steady() function instead of time.time() for
-  timeout in queue and threading modules to not be affected of system time
-  update.
-
-- Issue #13248: Remove lib2to3.pytree.Base.get_prefix/set_prefix.
-
-- Issue #14234: CVE-2012-0876: Randomize hashes of xml attributes in the hash
-  table internal to the pyexpat module's copy of the expat library to avoid a
-  denial of service due to hash collisions.  Patch by David Malcolm with some
-  modifications by the expat project.
-
-- Issue #12818: format address no longer needlessly \ escapes ()s in names when
-  the name ends up being quoted.
-
-- Issue #14062: BytesGenerator now correctly folds Header objects,
-  including using linesep when folding.
-
-- Issue #13839: When invoked on the command-line, the pstats module now
-  accepts several filenames of profile stat files and merges them all.
-  Patch by Matt Joiner.
-
-- Issue #14291: Email now defaults to utf-8 for non-ASCII unicode headers
-  instead of raising an error.  This fixes a regression relative to 2.7.
-
-- Issue #989712: Support using Tk without a mainloop.
-
-- Issue #3835: Refuse to use unthreaded Tcl in threaded Python.
-
-- Issue #2843: Add new Tk API to Tkinter.
-
-- Issue #14184: Increase the default stack size for secondary threads on
-  Mac OS X to avoid interpreter crashes when using threads on 10.7.
-
-- Issue #14180: datetime.date.fromtimestamp(),
-  datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp()
-  now raise an OSError instead of ValueError if localtime() or gmtime() failed.
-
-- Issue #14180: time.ctime(), gmtime(), time.localtime(),
-  datetime.date.fromtimestamp(), datetime.datetime.fromtimestamp() and
-  datetime.datetime.utcfromtimestamp() now raises an OverflowError, instead of
-  a ValueError, if the timestamp does not fit in time_t.
-
-- Issue #14180: datetime.datetime.fromtimestamp() and
-  datetime.datetime.utcfromtimestamp() now round microseconds towards zero
-  instead of rounding to nearest with ties going away from zero.
-
-- Issue #10543: Fix unittest test discovery with Jython bytecode files.
-
-- Issue #1178863: Separate initialisation from setting when initializing
-  Tkinter.Variables; harmonize exceptions to ValueError; only delete variables
-  that have not been deleted; assert that variable names are strings.
-
-- Issue #14104: Implement time.monotonic() on Mac OS X, patch written by
-  Nicholas Riley.
-
-- Issue #13394: the aifc module now uses warnings.warn() to signal warnings.
-
-- Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under
-  Windows when the child process has already exited.
-
-- Issue #14223: curses.addch() is no more limited to the range 0-255 when the
-  Python curses is not linked to libncursesw. It was a regression introduced
-  in Python 3.3a1.
-
-- Issue #14168: Check for presence of Element._attrs in minidom before
-  accessing it.
-
-- Issue #12328: Fix multiprocessing's use of overlapped I/O on Windows.
-  Also, add a multiprocessing.connection.wait(rlist, timeout=None) function
-  for polling multiple objects at once.  Patch by sbt.
-
-- Issue #14007: Accept incomplete TreeBuilder objects (missing start, end,
-  data or close method) for the Python implementation as well.
-  Drop the no-op TreeBuilder().xml() method from the C implementation.
-
-- Issue #14210: pdb now has tab-completion not only for command names, but
-  also for their arguments, wherever possible.
-
-- Issue #14310: Sockets can now be with other processes on Windows using
-  the api socket.socket.share() and socket.fromshare().
-
-- Issue #10576: The gc module now has a 'callbacks' member that will get
-  called when garbage collection takes place.
-
-Build
------
-
-- Issue #14557: Fix extensions build on HP-UX. Patch by Adi Roiban.
-
-- Issue #14387: Do not include accu.h from Python.h.
-
-- Issue #14359: Only use O_CLOEXEC in _posixmodule.c if it is defined.
-  Based on patch from Hervé Coatanhay.
-
-- Issue #14321: Do not run pgen during the build if files are up to date.
-
-Documentation
--------------
-
-- Issue #14034: added the argparse tutorial.
-
-- Issue #14324: Fix configure tests for cross builds.
-
-- Issue #14327: Call AC_CANONICAL_HOST in configure.ac and check in
-  config.{guess,sub}. Don't use uname calls for cross builds.
-
-Extension Modules
------------------
-
-- Issue #9041: An issue in ctypes.c_longdouble, ctypes.c_double, and
-  ctypes.c_float that caused an incorrect exception to be returned in the
-  case of overflow has been fixed.
-
-- Issue #14212: The re module didn't retain a reference to buffers it was
-  scanning, resulting in segfaults.
-
-- Issue #14259: The finditer() method of re objects did not take any
-  keyword arguments, contrary to the documentation.
-
-- Issue #10142: Support for SEEK_HOLE/SEEK_DATA (for example, under ZFS).
-
-Tests
------
-
-- Issue #14442: Add missing errno import in test_smtplib.
-
-- Issue #8315: (partial fix) python -m unittest test.test_email now works.
-
-
-What's New in Python 3.3.0 Alpha 1?
-===================================
-
-*Release date: 05-Mar-2012*
-
-Core and Builtins
------------------
-
-- Issue #14172: Fix reference leak when marshalling a buffer-like object
-  (other than a bytes object).
-
-- Issue #13521: dict.setdefault() now does only one lookup for the given key,
-  making it "atomic" for many purposes.  Patch by Filip Gruszczyński.
-
-- PEP 409, Issue #6210: "raise X from None" is now supported as a means of
-  suppressing the display of the chained exception context. The chained
-  context still remains available as the __context__ attribute.
-
-- Issue #10181: New memoryview implementation fixes multiple ownership
-  and lifetime issues of dynamically allocated Py_buffer members (#9990)
-  as well as crashes (#8305, #7433). Many new features have been added
-  (See whatsnew/3.3), and the documentation has been updated extensively.
-  The ndarray test object from _testbuffer.c implements all aspects of
-  PEP-3118, so further development towards the complete implementation
-  of the PEP can proceed in a test-driven manner.
-
-  Thanks to Nick Coghlan, Antoine Pitrou and Pauli Virtanen for review
-  and many ideas.
-
-- Issue #12834: Fix incorrect results of memoryview.tobytes() for
-  non-contiguous arrays.
-
-- Issue #5231: Introduce memoryview.cast() method that allows changing
-  format and shape without making a copy of the underlying memory.
-
-- Issue #14084: Fix a file descriptor leak when importing a module with a
-  bad encoding.
-
-- Upgrade Unicode data to Unicode 6.1.
-
-- Issue #14040: Remove rarely used file name suffixes for C extensions
-  (under POSIX mainly).
-
-- Issue #14051: Allow arbitrary attributes to be set of classmethod and
-  staticmethod.
-
-- Issue #13703: oCERT-2011-003: Randomize hashes of str and bytes to protect
-  against denial of service attacks due to hash collisions within the dict and
-  set types.  Patch by David Malcolm, based on work by Victor Stinner.
-
-- Issue #13020: Fix a reference leak when allocating a structsequence object
-  fails.  Patch by Suman Saha.
-
-- Issue #13908: Ready types returned from PyType_FromSpec.
-
-- Issue #11235: Fix OverflowError when trying to import a source file whose
-  modification time doesn't fit in a 32-bit timestamp.
-
-- Issue #12705: A SyntaxError exception is now raised when attempting to
-  compile multiple statements as a single interactive statement.
-
-- Fix the builtin module initialization code to store the init function for
-  future reinitialization.
-
-- Issue #8052: The posix subprocess module would take a long time closing
-  all possible file descriptors in the child process rather than just open
-  file descriptors.  It now closes only the open fds if possible for the
-  default close_fds=True behavior.
-
-- Issue #13629: Renumber the tokens in token.h so that they match the indexes
-  into _PyParser_TokenNames.
-
-- Issue #13752: Add a casefold() method to str.
-
-- Issue #13761: Add a "flush" keyword argument to the print() function,
-  used to ensure flushing the output stream.
-
-- Issue #13645: pyc files now contain the size of the corresponding source
-  code, to avoid timestamp collisions (especially on filesystems with a low
-  timestamp resolution) when checking for freshness of the bytecode.
-
-- PEP 380, Issue #11682: Add "yield from <x>" to support easy delegation to
-  subgenerators (initial patch by Greg Ewing, integration into 3.3 by
-  Renaud Blanch, Ryan Kelly, Zbigniew Jędrzejewski-Szmek and Nick Coghlan)
-
-- Issue #13748: Raw bytes literals can now be written with the ``rb`` prefix
-  as well as ``br``.
-
-- Issue #12736: Use full unicode case mappings for upper, lower, and title case.
-
-- Issue #12760: Add a create mode to open(). Patch by David Townshend.
-
-- Issue #13738: Simplify implementation of bytes.lower() and bytes.upper().
-
-- Issue #13577: Built-in methods and functions now have a __qualname__.
-  Patch by sbt.
-
-- Issue #6695: Full garbage collection runs now clear the freelist of set
-  objects.  Initial patch by Matthias Troffaes.
-
-- Fix OSError.__init__ and OSError.__new__ so that each of them can be
-  overriden and take additional arguments (followup to issue #12555).
-
-- Fix the fix for issue #12149: it was incorrect, although it had the side
-  effect of appearing to resolve the issue.  Thanks to Mark Shannon for
-  noticing.
-
-- Issue #13505: Pickle bytes objects in a way that is compatible with
-  Python 2 when using protocols <= 2.
-
-- Issue #11147: Fix an unused argument in _Py_ANNOTATE_MEMORY_ORDER.  (Fix
-  given by Campbell Barton).
-
-- Issue #13503: Use a more efficient reduction format for bytearrays with
-  pickle protocol >= 3.  The old reduction format is kept with older protocols
-  in order to allow unpickling under Python 2.  Patch by Irmen de Jong.
-
-- Issue #7111: Python can now be run without a stdin, stdout or stderr
-  stream.  It was already the case with Python 2.  However, the corresponding
-  sys module entries are now set to None (instead of an unusable file object).
-
-- Issue #11849: Ensure that free()d memory arenas are really released
-  on POSIX systems supporting anonymous memory mappings.  Patch by
-  Charles-François Natali.
-
-- PEP 3155 / issue #13448: Qualified name for classes and functions.
-
-- Issue #13436: Fix a bogus error message when an AST object was passed
-  an invalid integer value.
-
-- Issue #13411: memoryview objects are now hashable when the underlying
-  object is hashable.
-
-- Issue #13338: Handle all enumerations in _Py_ANNOTATE_MEMORY_ORDER
-  to allow compiling extension modules with -Wswitch-enum on gcc.
-  Initial patch by Floris Bruynooghe.
-
-- Issue #10227: Add an allocation cache for a single slice object.  Patch by
-  Stefan Behnel.
-
-- Issue #13393: BufferedReader.read1() now asks the full requested size to
-  the raw stream instead of limiting itself to the buffer size.
-
-- Issue #13392: Writing a pyc file should now be atomic under Windows as well.
-
-- Issue #13333: The UTF-7 decoder now accepts lone surrogates (the encoder
-  already accepts them).
-
-- Issue #13389: Full garbage collection passes now clear the freelists for
-  list and dict objects.  They already cleared other freelists in the
-  interpreter.
-
-- Issue #13327: Remove the need for an explicit None as the second argument
-  to os.utime, os.lutimes, os.futimes, os.futimens, os.futimesat, in
-  order to update to the current time. Also added keyword argument
-  handling to os.utimensat in order to remove the need for explicit None.
-
-- Issue #13350: Simplify some C code by replacing most usages of
-  PyUnicode_Format by PyUnicode_FromFormat.
-
-- Issue #13342: input() used to ignore sys.stdin's and sys.stdout's unicode
-  error handler in interactive mode (when calling into PyOS_Readline()).
-
-- Issue #9896: Add start, stop, and step attributes to range objects.
-
-- Issue #13343: Fix a SystemError when a lambda expression uses a global
-  variable in the default value of a keyword-only argument: ``lambda *,
-  arg=GLOBAL_NAME: None``
-
-- Issue #12797: Added custom opener parameter to builtin open() and
-  FileIO.open().
-
-- Issue #10519: Avoid unnecessary recursive function calls in
-  setobject.c.
-
-- Issue #10363: Deallocate global locks in Py_Finalize().
-
-- Issue #13018: Fix reference leaks in error paths in dictobject.c.
-  Patch by Suman Saha.
-
-- Issue #13201: Define '==' and '!=' to compare range objects based on
-  the sequence of values they define (instead of comparing based on
-  object identity).
-
-- Issue #1294232: In a few cases involving metaclass inheritance, the
-  interpreter would sometimes invoke the wrong metaclass when building a new
-  class object. These cases now behave correctly. Patch by Daniel Urban.
-
-- Issue #12753: Add support for Unicode name aliases and named sequences.
-  Both ``unicodedata.lookup()`` and '\N{...}' now resolve aliases,
-  and ``unicodedata.lookup()`` resolves named sequences too.
-
-- Issue #12170: The count(), find(), rfind(), index() and rindex() methods
-  of bytes and bytearray objects now accept an integer between 0 and 255
-  as their first argument.  Patch by Petri Lehtinen.
-
-- Issue #12604: VTRACE macro expanded to no-op in _sre.c to avoid compiler
-  warnings. Patch by Josh Triplett and Petri Lehtinen.
-
-- Issue #12281: Rewrite the MBCS codec to handle correctly replace and ignore
-  error handlers on all Windows versions. The MBCS codec is now supporting all
-  error handlers, instead of only replace to encode and ignore to decode.
-
-- Issue #13188: When called without an explicit traceback argument,
-  generator.throw() now gets the traceback from the passed exception's
-  ``__traceback__`` attribute.  Patch by Petri Lehtinen.
-
-- Issue #13146: Writing a pyc file is now atomic under POSIX.
-
-- Issue #7833: Extension modules built using distutils on Windows will no
-  longer include a "manifest" to prevent them failing at import time in some
-  embedded situations.
-
-- PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
-
-- Add internal API for static strings (_Py_identifier et al.).
-
-- Issue #13063: the Windows error ERROR_NO_DATA (numbered 232 and described
-  as "The pipe is being closed") is now mapped to POSIX errno EPIPE
-  (previously EINVAL).
-
-- Issue #12911: Fix memory consumption when calculating the repr() of huge
-  tuples or lists.
-
-- PEP 393: flexible string representation. Thanks to Torsten Becker for the
-  initial implementation, and Victor Stinner for various bug fixes.
-
-- Issue #14081: The 'sep' and 'maxsplit' parameter to str.split, bytes.split,
-  and bytearray.split may now be passed as keyword arguments.
-
-- Issue #13012: The 'keepends' parameter to str.splitlines may now be passed
-  as a keyword argument:  "my_string.splitlines(keepends=True)".  The same
-  change also applies to bytes.splitlines and bytearray.splitlines.
-
-- Issue #7732: Don't open a directory as a file anymore while importing a
-  module. Ignore the direcotry if its name matchs the module name (e.g.
-  "__init__.py") and raise a ImportError instead.
-
-- Issue #13021: Missing decref on an error path.  Thanks to Suman Saha for
-  finding the bug and providing a patch.
-
-- Issue #12973: Fix overflow checks that relied on undefined behaviour in
-  list_repeat (listobject.c) and islice_next (itertoolsmodule.c).  These bugs
-  caused test failures with recent versions of Clang.
-
-- Issue #12904: os.utime, os.futimes, os.lutimes, and os.futimesat now write
-  atime and mtime with nanosecond precision on modern POSIX platforms.
-
-- Issue #12802: the Windows error ERROR_DIRECTORY (numbered 267) is now
-  mapped to POSIX errno ENOTDIR (previously EINVAL).
-
-- Issue #9200: The str.is* methods now work with strings that contain non-BMP
-  characters even in narrow Unicode builds.
-
-- Issue #12791: Break reference cycles early when a generator exits with
-  an exception.
-
-- Issue #12773: Make __doc__ mutable on user-defined classes.
-
-- Issue #12766: Raise a ValueError when creating a class with a class variable
-  that conflicts with a name in __slots__.
-
-- Issue #12266: Fix str.capitalize() to correctly uppercase/lowercase
-  titlecased and cased non-letter characters.
-
-- Issue #12732: In narrow unicode builds, allow Unicode identifiers which fall
-  outside the BMP.
-
-- Issue #12575: Validate user-generated AST before it is compiled.
-
-- Make type(None), type(Ellipsis), and type(NotImplemented) callable. They
-  return the respective singleton instances.
-
-- Forbid summing bytes with sum().
-
-- Verify the types of AST strings and identifiers provided by the user before
-  compiling them.
-
-- Issue #12647: The None object now has a __bool__() method that returns False.
-  Formerly, bool(None) returned False only because of special case logic
-  in PyObject_IsTrue().
-
-- Issue #12579: str.format_map() now raises a ValueError if used on a
-  format string that contains positional fields. Initial patch by
-  Julian Berman.
-
-- Issue #10271: Allow warnings.showwarning() be any callable.
-
-- Issue #11627: Fix segfault when __new__ on a exception returns a
-  non-exception class.
-
-- Issue #12149: Update the method cache after a type's dictionary gets
-  cleared by the garbage collector.  This fixes a segfault when an instance
-  and its type get caught in a reference cycle, and the instance's
-  deallocator calls one of the methods on the type (e.g. when subclassing
-  IOBase).  Diagnosis and patch by Davide Rizzo.
-
-- Issue #9611, Issue #9015: FileIO.read() clamps the length to INT_MAX on Windows.
-
-- Issue #9642: Uniformize the tests on the availability of the mbcs codec, add
-  a new HAVE_MBCS define.
-
-- Issue #9642: Fix filesystem encoding initialization: use the ANSI code page
-  on Windows if the mbcs codec is not available, and fail with a fatal error if
-  we cannot get the locale encoding (if nl_langinfo(CODESET) is not available)
-  instead of using UTF-8.
-
-- When a generator yields, do not retain the caller's exception state on the
-  generator.
-
-- Issue #12475: Prevent generators from leaking their exception state into the
-  caller's frame as they return for the last time.
-
-- Issue #12291: You can now load multiple marshalled objects from a stream,
-  with other data interleaved between marshalled objects.
-
-- Issue #12356: When required positional or keyword-only arguments are not
-  given, produce a informative error message which includes the name(s) of the
-  missing arguments.
-
-- Issue #12370: Fix super with no arguments when __class__ is overriden in the
-  class body.
-
-- Issue #12084: os.stat on Windows now works properly with relative symbolic
-  links when called from any directory.
-
-- Loosen type restrictions on the __dir__ method. __dir__ can now return any
-  sequence, which will be converted to a list and sorted by dir().
-
-- Issue #12265: Make error messages produced by passing an invalid set of
-  arguments to a function more informative.
-
-- Issue #12225: Still allow Python to build if Python is not in its hg repo or
-  mercurial is not installed.
-
-- Issue #1195: my_fgets() now always clears errors before calling fgets(). Fix
-  the following case: sys.stdin.read() stopped with CTRL+d (end of file),
-  raw_input() interrupted by CTRL+c.
-
-- Issue #12216: Allow unexpected EOF errors to happen on any line of the file.
-
-- Issue #12199: The TryExcept and TryFinally and AST nodes have been unified
-  into a Try node.
-
-- Issue #9670: Increase the default stack size for secondary threads on
-  Mac OS X and FreeBSD to reduce the chances of a crash instead of a
-  "maximum recursion depth" RuntimeError exception.
-  (patch by Ronald Oussoren)
-
-- Issue #12106: The use of the multiple-with shorthand syntax is now reflected
-  in the AST.
-
-- Issue #12190: Try to use the same filename object when compiling unmarshalling
-  a code objects in the same file.
-
-- Issue #12166: Move implementations of dir() specialized for various types into
-  the __dir__() methods of those types.
-
-- Issue #5715: In socketserver, close the server socket in the child process.
-
-- Correct lookup of __dir__ on objects. Among other things, this causes errors
-  besides AttributeError found on lookup to be propagated.
-
-- Issue #12060: Use sig_atomic_t type and volatile keyword in the signal
-  module. Patch written by Charles-François Natali.
-
-- Issue #1746656: Added the if_nameindex, if_indextoname, if_nametoindex
-  methods to the socket module.
-
-- Issue #12044: Fixed subprocess.Popen when used as a context manager to
-  wait for the process to end when exiting the context to avoid unintentionally
-  leaving zombie processes around.
-
-- Issue #1195: Fix input() if it is interrupted by CTRL+d and then CTRL+c,
-  clear the end-of-file indicator after CTRL+d.
-
-- Issue #1856: Avoid crashes and lockups when daemon threads run while the
-  interpreter is shutting down; instead, these threads are now killed when
-  they try to take the GIL.
-
-- Issue #9756: When calling a method descriptor or a slot wrapper descriptor,
-  the check of the object type doesn't read the __class__ attribute anymore.
-  Fix a crash if a class override its __class__ attribute (e.g. a proxy of the
-  str type). Patch written by Andreas Stührk.
-
-- Issue #10517: After fork(), reinitialize the TLS used by the PyGILState_*
-  APIs, to avoid a crash with the pthread implementation in RHEL 5.  Patch
-  by Charles-François Natali.
-
-- Issue #10914: Initialize correctly the filesystem codec when creating a new
-  subinterpreter to fix a bootstrap issue with codecs implemented in Python, as
-  the ISO-8859-15 codec.
-
-- Issue #11918: OS/2 and VMS are no more supported because of the lack of
-  maintainer.
-
-- Issue #6780: fix starts/endswith error message to mention that tuples are
-  accepted too.
-
-- Issue #5057: fix a bug in the peepholer that led to non-portable pyc files
-  between narrow and wide builds while optimizing BINARY_SUBSCR on non-BMP
-  chars (e.g. "\U00012345"[0]).
-
-- Issue #11845: Fix typo in rangeobject.c that caused a crash in
-  compute_slice_indices.  Patch by Daniel Urban.
-
-- Issue #5673: Added a `timeout` keyword argument to subprocess.Popen.wait,
-  subprocess.Popen.communicated, subprocess.call, subprocess.check_call, and
-  subprocess.check_output.  If the blocking operation takes more than `timeout`
-  seconds, the `subprocess.TimeoutExpired` exception is raised.
-
-- Issue #11650: PyOS_StdioReadline() retries fgets() if it was interrupted
-  (EINTR), for example if the program is stopped with CTRL+z on Mac OS X. Patch
-  written by Charles-Francois Natali.
-
-- Issue #9319: Include the filename in "Non-UTF8 code ..." syntax error.
-
-- Issue #10785: Store the filename as Unicode in the Python parser.
-
-- Issue #11619: _PyImport_LoadDynamicModule() doesn't encode the path to bytes
-  on Windows.
-
-- Issue #10998: Remove mentions of -Q, sys.flags.division_warning and
-  Py_DivisionWarningFlag left over from Python 2.
-
-- Issue #11244: Remove an unnecessary peepholer check that was preventing
-  negative zeros from being constant-folded properly.
-
-- Issue #11395: io.FileIO().write() clamps the data length to 32,767 bytes on
-  Windows if the file is a TTY to workaround a Windows bug. The Windows console
-  returns an error (12: not enough space error) on writing into stdout if
-  stdout mode is binary and the length is greater than 66,000 bytes (or less,
-  depending on heap usage).
-
-- Issue #11320: fix bogus memory management in Modules/getpath.c, leading to
-  a possible crash when calling Py_SetPath().
-
-- Issue #11432: A bug was introduced in subprocess.Popen on posix systems with
-  3.2.0 where the stdout or stderr file descriptor being the same as the stdin
-  file descriptor would raise an exception. webbrowser.open would fail. fixed.
-
-- Issue #9856: Change object.__format__ with a non-empty format string
-  to be a DeprecationWarning. In 3.2 it was a PendingDeprecationWarning.
-  In 3.4 it will be a TypeError.
-
-- Issue #11244: The peephole optimizer is now able to constant-fold
-  arbitrarily complex expressions.  This also fixes a 3.2 regression where
-  operations involving negative numbers were not constant-folded.
-
-- Issue #11450: Don't truncate hg version info in Py_GetBuildInfo() when
-  there are many tags (e.g. when using mq).  Patch by Nadeem Vawda.
-
-- Issue #11335: Fixed a memory leak in list.sort when the key function
-  throws an exception.
-
-- Issue #8923: When a string is encoded to UTF-8 in strict mode, the result is
-  cached into the object. Examples: str.encode(), str.encode('utf-8'),
-  PyUnicode_AsUTF8String() and PyUnicode_AsEncodedString(unicode, "utf-8",
-  NULL).
-
-- Issue #10829: Refactor PyUnicode_FromFormat(), use the same function to parse
-  the format string in the 3 steps, fix crashs on invalid format strings.
-
-- Issue #13007: whichdb should recognize gdbm 1.9 magic numbers.
-
-- Issue #11286: Raise a ValueError from calling PyMemoryView_FromBuffer with
-  a buffer struct having a NULL data pointer.
-
-- Issue #11272: On Windows, input() strips '\r' (and not only '\n'), and
-  sys.stdin uses universal newline (replace '\r\n' by '\n').
-
-- Issue #11828: startswith and endswith now accept None as slice index.
-  Patch by Torsten Becker.
-
-- Issue #11168: Remove filename debug variable from PyEval_EvalFrameEx().
-  It encoded the Unicode filename to UTF-8, but the encoding fails on
-  undecodable filename (on surrogate characters) which raises an unexpected
-  UnicodeEncodeError on recursion limit.
-
-- Issue #11187: Remove bootstrap code (use ASCII) of
-  PyUnicode_AsEncodedString(), it was replaced by a better fallback (use the
-  locale encoding) in PyUnicode_EncodeFSDefault().
-
-- Check for NULL result in PyType_FromSpec.
-
-- Issue #10516: New copy() and clear() methods for lists and bytearrays.
-
-- Issue #11386: bytearray.pop() now throws IndexError when the bytearray is
-  empty, instead of OverflowError.
-
-- Issue #12380: The rjust, ljust and center methods of bytes and bytearray
-  now accept a bytearray argument.
-
-Library
--------
-
-- Issue #14195: An issue that caused weakref.WeakSet instances to incorrectly
-  return True for a WeakSet instance 'a' in both 'a < a' and 'a > a' has been
-  fixed.
-
-- Issue #14166: Pickler objects now have an optional ``dispatch_table``
-  attribute which allows to set custom per-pickler reduction functions.
-  Patch by sbt.
-
-- Issue #14177: marshal.loads() now raises TypeError when given an unicode
-  string.  Patch by Guilherme Gonçalves.
-
-- Issue #13550: Remove the debug machinery from the threading module: remove
-  verbose arguments from all threading classes and functions.
-
-- Issue #14159: Fix the len() of weak containers (WeakSet, WeakKeyDictionary,
-  WeakValueDictionary) to return a better approximation when some objects
-  are dead or dying.  Moreover, the implementation is now O(1) rather than
-  O(n).
-
-- Issue #11841: Fix comparison bug with 'rc' versions in packaging.version.
-  Patch by Filip Gruszczyński.
-
-- Issue #6884: Fix long-standing bugs with MANIFEST.in parsing in distutils
-  on Windows.  Also fixed in packaging.
-
-- Issue #8033: sqlite3: Fix 64-bit integer handling in user functions
-  on 32-bit architectures. Initial patch by Philippe Devalkeneer.
-
-- HTMLParser is now able to handle slashes in the start tag.
-
-- Issue #13641: Decoding functions in the base64 module now accept ASCII-only
-  unicode strings.  Patch by Catalin Iacob.
-
-- Issue #14043: Speed up importlib's _FileFinder by at least 8x, and add a
-  new importlib.invalidate_caches() function.
-
-- Issue #14001: CVE-2012-0845: xmlrpc: Fix an endless loop in
-  SimpleXMLRPCServer upon malformed POST request.
-
-- Issue #13961: Move importlib over to using os.replace() for atomic renaming.
-
-- Do away with ambiguous level values (as suggested by PEP 328) in
-  importlib.__import__() by raising ValueError when level < 0.
-
-- Issue #2489: pty.spawn could consume 100% cpu when it encountered an EOF.
-
-- Issue #13014: Fix a possible reference leak in SSLSocket.getpeercert().
-
-- Issue #13777: Add PF_SYSTEM sockets on OS X.
-  Patch by Michael Goderbauer.
-
-- Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
-  Patch by Suman Saha.
-
-- Issue #1326113: distutils' and packaging's build_ext commands option now
-  correctly parses multiple values (separated by whitespace or commas) given
-  to their --libraries option.
-
-- Issue #10287: nntplib now queries the server's CAPABILITIES first before
-  sending MODE READER, and only sends it if not already in READER mode.
-  Patch by Hynek Schlawack.
-
-- Issue #13993: HTMLParser is now able to handle broken end tags when
-  strict=False.
-
-- Issue #13930: lib2to3 now supports writing converted output files to another
-  directory tree as well as copying unchanged files and altering the file
-  suffix.
-
-- Issue #9750: Fix sqlite3.Connection.iterdump on tables and fields
-  with a name that is a keyword or contains quotes. Patch by Marko
-  Kohtala.
-
-- Issue #10287: nntplib now queries the server's CAPABILITIES again after
-  authenticating (since the result may change, according to RFC 4643).
-  Patch by Hynek Schlawack.
-
-- Issue #13590: On OS X 10.7 and 10.6 with Xcode 4.2, building
-  Distutils-based packages with C extension modules may fail because
-  Apple has removed gcc-4.2, the version used to build python.org
-  64-bit/32-bit Pythons.  If the user does not explicitly override
-  the default C compiler by setting the CC environment variable,
-  Distutils will now attempt to compile extension modules with clang
-  if gcc-4.2 is required but not found. Also as a convenience, if
-  the user does explicitly set CC, substitute its value as the default
-  compiler in the Distutils LDSHARED configuration variable for OS X.
-  (Note, the python.org 32-bit-only Pythons use gcc-4.0 and the 10.4u
-  SDK, neither of which are available in Xcode 4.  This change does not
-  attempt to override settings to support their use with Xcode 4.)
-
-- Issue #13960: HTMLParser is now able to handle broken comments when
-  strict=False.
-
-- When '' is a path (e.g. in sys.path), make sure __file__ uses the current
-  working directory instead of '' in importlib.
-
-- Issue #13609: Add two functions to query the terminal size:
-  os.get_terminal_size (low level) and shutil.get_terminal_size (high level).
-  Patch by Zbigniew Jędrzejewski-Szmek.
-
-- Issue #13845: On Windows, time.time() now uses GetSystemTimeAsFileTime()
-  instead of ftime() to have a resolution of 100 ns instead of 1 ms (the clock
-  accuracy is between 0.5 ms and 15 ms).
-
-- Issue #13846: Add time.monotonic(), monotonic clock.
-
-- Issue #8184: multiprocessing: On Windows, don't set SO_REUSEADDR on
-  Connection sockets, and set FILE_FLAG_FIRST_PIPE_INSTANCE on named pipes, to
-  make sure two listeners can't bind to the same socket/pipe (or any existing
-  socket/pipe).
-
-- Issue #10811: Fix recursive usage of cursors. Instead of crashing,
-  raise a ProgrammingError now.
-
-- Issue #13734: Add os.fwalk(), a directory walking function yielding file
-  descriptors.
-
-- Issue #2945: Make the distutils upload command aware of bdist_rpm products.
-
-- Issue #13712: pysetup create should not convert package_data to extra_files.
-
-- Issue #11805: package_data in setup.cfg should allow more than one value.
-
-- Issue #13676: Handle strings with embedded zeros correctly in sqlite3.
-
-- Issue #8828: Add new function os.replace(), for cross-platform renaming
-  with overwriting.
-
-- Issue #13848: open() and the FileIO constructor now check for NUL
-  characters in the file name.  Patch by Hynek Schlawack.
-
-- Issue #13806: The size check in audioop decompression functions was too
-  strict and could reject valid compressed data.  Patch by Oleg Plakhotnyuk.
-
-- Issue #13812: When a multiprocessing Process child raises an exception,
-  flush stderr after printing the exception traceback.
-
-- Issue #13885: CVE-2011-3389: the _ssl module would always disable the CBC
-  IV attack countermeasure.
-
-- Issue #13847: time.localtime() and time.gmtime() now raise an OSError instead
-  of ValueError on failure. time.ctime() and time.asctime() now raises an
-  OSError if localtime() failed. time.clock() now raises a RuntimeError if the
-  processor time used is not available or its value cannot be represented
-
-- Issue #13772: In os.symlink() under Windows, do not try to guess the link
-  target's type (file or directory).  The detection was buggy and made the
-  call non-atomic (therefore prone to race conditions).
-
-- Issue #6631: Disallow relative file paths in urllib urlopen methods.
-
-- Issue #13722: Avoid silencing ImportErrors when initializing the codecs
-  registry.
-
-- Issue #13781: Fix GzipFile bug that caused an exception to be raised when
-  opening for writing using a fileobj returned by os.fdopen().
-
-- Issue #13803: Under Solaris, distutils doesn't include bitness
-  in the directory name.
-
-- Issue #10278: Add time.wallclock() function, monotonic clock.
-
-- Issue #13809: Fix regression where bz2 module wouldn't work when threads are
-  disabled. Original patch by Amaury Forgeot d'Arc.
-
-- Issue #13589: Fix some serialization primitives in the aifc module.
-  Patch by Oleg Plakhotnyuk.
-
-- Issue #13642: Unquote before b64encoding user:password during Basic
-  Authentication. Patch contributed by Joonas Kuorilehto.
-
-- Issue #12364: Fix a hang in concurrent.futures.ProcessPoolExecutor.
-  The hang would occur when retrieving the result of a scheduled future after
-  the executor had been shut down.
-
-- Issue #13502: threading: Fix a race condition in Event.wait() that made it
-  return False when the event was set and cleared right after.
-
-- Issue #9993: When the source and destination are on different filesystems,
-  and the source is a symlink, shutil.move() now recreates a symlink on the
-  destination instead of copying the file contents.  Patch by Jonathan Niehof
-  and Hynek Schlawack.
-
-- Issue #12926: Fix a bug in tarfile's link extraction.
-
-- Issue #13696: Fix the 302 Relative URL Redirection problem.
-
-- Issue #13636: Weak ciphers are now disabled by default in the ssl module
-  (except when SSLv2 is explicitly asked for).
-
-- Issue #12715: Add an optional symlinks argument to shutil functions
-  (copyfile, copymode, copystat, copy, copy2).  When that parameter is
-  true, symlinks aren't dereferenced and the operation instead acts on the
-  symlink itself (or creates one, if relevant).  Patch by Hynek Schlawack.
-
-- Add a flags parameter to select.epoll.
-
-- Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the
-  SSLContext.load_dh_params() method and the ssl.OP_SINGLE_DH_USE option.
-
-- Issue #11006: Don't issue low level warning in subprocess when pipe2() fails.
-
-- Issue #13620: Support for Chrome browser in webbrowser.  Patch contributed
-  by Arnaud Calmettes.
-
-- Issue #11829: Fix code execution holes in inspect.getattr_static for
-  metaclasses with metaclasses. Patch by Andreas Stührk.
-
-- Issue #12708: Add starmap() and starmap_async() methods (similar to
-  itertools.starmap()) to multiprocessing.Pool.  Patch by Hynek Schlawack.
-
-- Issue #1785: Fix inspect and pydoc with misbehaving descriptors.
-
-- Issue #13637: "a2b" functions in the binascii module now accept ASCII-only
-  unicode strings.
-
-- Issue #13634: Add support for querying and disabling SSL compression.
-
-- Issue #13627: Add support for SSL Elliptic Curve-based Diffie-Hellman
-  key exchange, through the SSLContext.set_ecdh_curve() method and the
-  ssl.OP_SINGLE_ECDH_USE option.
-
-- Issue #13635: Add ssl.OP_CIPHER_SERVER_PREFERENCE, so that SSL servers
-  choose the cipher based on their own preferences, rather than on the
-  client's.
-
-- Issue #11813: Fix inspect.getattr_static for modules. Patch by Andreas
-  Stührk.
-
-- Issue #7502: Fix equality comparison for DocTestCase instances.  Patch by
-  Cédric Krier.
-
-- Issue #11870: threading: Properly reinitialize threads internal locks and
-  condition variables to avoid deadlocks in child processes.
-
-- Issue #8035: urllib: Fix a bug where the client could remain stuck after a
-  redirection or an error.
-
-- Issue #13560: os.strerror() now uses the current locale encoding instead of
-  UTF-8.
-
-- Issue #8373: The filesystem path of AF_UNIX sockets now uses the filesystem
-  encoding and the surrogateescape error handler, rather than UTF-8.  Patch
-  by David Watson.
-
-- Issue #10350: Read and save errno before calling a function which might
-  overwrite it.  Original patch by Hallvard B Furuseth.
-
-- Issue #11610: Introduce a more general way to declare abstract properties.
-
-- Issue #13591: A bug in importlib has been fixed that caused import_module
-  to load a module twice.
-
-- Issue #13449 sched.scheduler.run() method has a new "blocking" parameter which
-  when set to False makes run() execute the scheduled events due to expire
-  soonest (if any) and then return.  Patch by Giampaolo Rodolà.
-
-- Issue #8684 sched.scheduler class can be safely used in multi-threaded
-  environments.  Patch by Josiah Carlson and Giampaolo Rodolà.
-
-- Alias resource.error to OSError ala PEP 3151.
-
-- Issue #5689: Add support for lzma compression to the tarfile module.
-
-- Issue #13248: Turn 3.2's PendingDeprecationWarning into 3.3's
-  DeprecationWarning.  It covers 'cgi.escape', 'importlib.abc.PyLoader',
-  'importlib.abc.PyPycLoader', 'nntplib.NNTP.xgtitle', 'nntplib.NNTP.xpath',
-  and private attributes of 'smtpd.SMTPChannel'.
-
-- Issue #5905, Issue #13560: time.strftime() is now using the current locale
-  encoding, instead of UTF-8, if the wcsftime() function is not available.
-
-- Issue #13464: Add a readinto() method to http.client.HTTPResponse.  Patch
-  by Jon Kuhn.
-
-- tarfile.py: Correctly detect bzip2 compressed streams with blocksizes
-  other than 900k.
-
-- Issue #13439: Fix many errors in turtle docstrings.
-
-- Issue #6715: Add a module 'lzma' for compression using the LZMA algorithm.
-  Thanks to Per Øyvind Karlsen for the initial implementation.
-
-- Issue #13487: Make inspect.getmodule robust against changes done to
-  sys.modules while it is iterating over it.
-
-- Issue #12618: Fix a bug that prevented py_compile from creating byte
-  compiled files in the current directory.  Initial patch by Sjoerd de Vries.
-
-- Issue #13444: When stdout has been closed explicitly, we should not attempt
-  to flush it at shutdown and print an error.
-
-- Issue #12567: The curses module uses Unicode functions for Unicode arguments
-  when it is linked to the ncurses library. It encodes also Unicode strings to
-  the locale encoding instead of UTF-8.
-
-- Issue #12856: Ensure child processes do not inherit the parent's random
-  seed for filename generation in the tempfile module.  Patch by Brian
-  Harring.
-
-- Issue #9957: SpooledTemporaryFile.truncate() now accepts an optional size
-  parameter, as other file-like objects.  Patch by Ryan Kelly.
-
-- Issue #13458: Fix a memory leak in the ssl module when decoding a
-  certificate with a subjectAltName.  Patch by Robert Xiao.
-
-- Issue #13415: os.unsetenv() doesn't ignore errors anymore.
-
-- Issue #13245: sched.scheduler class constructor's timefunc and
-  delayfunct parameters are now optional.
-  scheduler.enter and scheduler.enterabs methods gained a new kwargs parameter.
-  Patch contributed by Chris Clark.
-
-- Issue #12328: Under Windows, refactor handling of Ctrl-C events and
-  make _multiprocessing.win32.WaitForMultipleObjects interruptible when
-  the wait_flag parameter is false.  Patch by sbt.
-
-- Issue #13322: Fix BufferedWriter.write() to ensure that BlockingIOError is
-  raised when the wrapped raw file is non-blocking and the write would block.
-  Previous code assumed that the raw write() would raise BlockingIOError, but
-  RawIOBase.write() is defined to returned None when the call would block.
-  Patch by sbt.
-
-- Issue #13358: HTMLParser now calls handle_data only once for each CDATA.
-
-- Issue #4147: minidom's toprettyxml no longer adds whitespace around a text
-  node when it is the only child of an element.  Initial patch by Dan
-  Kenigsberg.
-
-- Issue #13374: The Windows bytes API has been deprecated in the os module. Use
-  Unicode filenames instead of bytes filenames to not depend on the ANSI code
-  page anymore and to support any filename.
-
-- Issue #13297: Use bytes type to send and receive binary data through XMLRPC.
-
-- Issue #6397: Support "/dev/poll" polling objects in select module,
-  under Solaris & derivatives.
-
-- Issues #1745761, #755670, #13357, #12629, #1200313: HTMLParser now correctly
-  handles non-valid attributes, including adjacent and unquoted attributes.
-
-- Issue #13193: Fix distutils.filelist.FileList and packaging.manifest.Manifest
-  under Windows.
-
-- Issue #13384: Remove unnecessary __future__ import in Lib/random.py
-
-- Issue #13149: Speed up append-only StringIO objects.
-
-- Issue #13373: multiprocessing.Queue.get() could sometimes block indefinitely
-  when called with a timeout.  Patch by Arnaud Ysmal.
-
-- Issue #13254: Fix Maildir initialization so that maildir contents
-  are read correctly.
-
-- Issue #3067: locale.setlocale() now raises TypeError if the second
-  argument is an invalid iterable. Its documentation and docstring
-  were also updated. Initial patch by Jyrki Pulliainen.
-
-- Issue #13140: Fix the daemon_threads attribute of ThreadingMixIn.
-
-- Issue #13339: Fix compile error in posixmodule.c due to missing semicolon.
-  Thanks to Robert Xiao.
-
-- Byte compilation in packaging is now isolated from the calling Python -B or
-  -O options, instead of being disallowed under -B or buggy under -O.
-
-- Issue #10570: curses.putp() and curses.tparm() are now expecting a byte
-  string, instead of a Unicode string.
-
-- Issue #13295: http.server now produces valid HTML 4.01 strict.
-
-- Issue #2892: preserve iterparse events in case of SyntaxError.
-
-- Issue #13287: urllib.request and urllib.error now contains an __all__
-  attribute to expose only relevant classes and functions.  Patch by Florent
-  Xicluna.
-
-- Issue #670664: Fix HTMLParser to correctly handle the content of
-  ``<script>...</script>`` and ``<style>...</style>``.
-
-- Issue #10817: Fix urlretrieve function to raise ContentTooShortError even
-  when reporthook is None. Patch by Jyrki Pulliainen.
-
-- Fix the xmlrpc.client user agent to return something similar to
-  urllib.request user agent: "Python-xmlrpc/3.3".
-
-- Issue #13293: Better error message when trying to marshal bytes using
-  xmlrpc.client.
-
-- Issue #13291: NameError in xmlrpc package.
-
-- Issue #13258: Use callable() built-in in the standard library.
-
-- Issue #13273: fix a bug that prevented HTMLParser to properly detect some
-  tags when strict=False.
-
-- Issue #11183: Add finer-grained exceptions to the ssl module, so that
-  you don't have to inspect the exception's attributes in the common case.
-
-- Issue #13216: Add cp65001 codec, the Windows UTF-8 (CP_UTF8).
-
-- Issue #13226: Add RTLD_xxx constants to the os module. These constants can be
-  used with sys.setdlopenflags().
-
-- Issue #10278: Add clock_getres(), clock_gettime() and CLOCK_xxx constants to
-  the time module. time.clock_gettime(time.CLOCK_MONOTONIC) provides a
-  monotonic clock
-
-- Issue #10332: multiprocessing: fix a race condition when a Pool is closed
-  before all tasks have completed.
-
-- Issue #13255: wrong docstrings in array module.
-
-- Issue #8540: Remove deprecated Context._clamp attribute in Decimal module.
-
-- Issue #13235: Added DeprecationWarning to logging.warn() method and function.
-
-- Issue #9168: now smtpd is able to bind privileged port.
-
-- Issue #12529: fix cgi.parse_header issue on strings with double-quotes and
-  semicolons together. Patch by Ben Darnell and Petri Lehtinen.
-
-- Issue #13227: functools.lru_cache() now has a option to distinguish
-  calls with different argument types.
-
-- Issue #6090: zipfile raises a ValueError when a document with a timestamp
-  earlier than 1980 is provided. Patch contributed by Petri Lehtinen.
-
-- Issue #13150: sysconfig no longer parses the Makefile and config.h files
-  when imported, instead doing it at build time.  This makes importing
-  sysconfig faster and reduces Python startup time by 20%.
-
-- Issue #12448: smtplib now flushes stdout while running ``python -m smtplib``
-  in order to display the prompt correctly.
-
-- Issue #12454: The mailbox module is now using ASCII, instead of the locale
-  encoding, to read and write .mh_sequences files.
-
-- Issue #13194: zlib.compressobj().copy() and zlib.decompressobj().copy() are
-  now available on Windows.
-
-- Issue #1673007: urllib.request now supports HEAD request via new method argument.
-  Patch contributions by David Stanek, Patrick Westerhoff and Ezio Melotti.
-
-- Issue #12386: packaging does not fail anymore when writing the RESOURCES
-  file.
-
-- Issue #13158: Fix decoding and encoding of GNU tar specific base-256 number
-  fields in tarfile.
-
-- Issue #13025: mimetypes is now reading MIME types using the UTF-8 encoding,
-  instead of the locale encoding.
-
-- Issue #10653: On Windows, use strftime() instead of wcsftime() because
-  wcsftime() doesn't format time zone correctly.
-
-- Issue #13150: The tokenize module doesn't compile large regular expressions
-  at startup anymore.
-
-- Issue #11171: Fix distutils.sysconfig.get_makefile_filename when Python was
-  configured with different prefix and exec-prefix.
-
-- Issue #11254: Teach distutils and packaging to compile .pyc and .pyo files in
-  PEP 3147-compliant __pycache__ directories.
-
-- Issue #7367: Fix pkgutil.walk_paths to skip directories whose
-  contents cannot be read.
-
-- Issue #3163: The struct module gets new format characters 'n' and 'N'
-  supporting C integer types ``ssize_t`` and ``size_t``, respectively.
-
-- Issue #13099: Fix sqlite3.Cursor.lastrowid under a Turkish locale.
-  Reported and diagnosed by Thomas Kluyver.
-
-- Issue #13087: BufferedReader.seek() now always raises UnsupportedOperation
-  if the underlying raw stream is unseekable, even if the seek could be
-  satisfied using the internal buffer.  Patch by John O'Connor.
-
-- Issue #7689: Allow pickling of dynamically created classes when their
-  metaclass is registered with copyreg.  Patch by Nicolas M. Thiéry and Craig
-  Citro.
-
-- Issue #13034: When decoding some SSL certificates, the subjectAltName
-  extension could be unreported.
-
-- Issue #12306: Expose the runtime version of the zlib C library as a constant,
-  ZLIB_RUNTIME_VERSION, in the zlib module. Patch by Torsten Landschoff.
-
-- Issue #12959: Add collections.ChainMap to collections.__all__.
-
-- Issue #8933: distutils' PKG-INFO files and packaging's METADATA files will
-  now correctly report Metadata-Version: 1.1 instead of 1.0 if a Classifier or
-  Download-URL field is present.
-
-- Issue #12567: Add curses.unget_wch() function. Push a character so the next
-  get_wch() will return it.
-
-- Issue #9561: distutils and packaging now writes egg-info files using UTF-8,
-  instead of the locale encoding.
-
-- Issue #8286: The distutils command sdist will print a warning message instead
-  of crashing when an invalid path is given in the manifest template.
-
-- Issue #12841: tarfile unnecessarily checked the existence of numerical user
-  and group ids on extraction. If one of them did not exist the respective id
-  of the current user (i.e. root) was used for the file and ownership
-  information was lost.
-
-- Issue #12888: Fix a bug in HTMLParser.unescape that prevented it to escape
-  more than 128 entities.  Patch by Peter Otten.
-
-- Issue #12878: Expose a __dict__ attribute on io.IOBase and its subclasses.
-
-- Issue #12494: On error, call(), check_call(), check_output() and
-  getstatusoutput() functions of the subprocess module now kill the process,
-  read its status (to avoid zombis) and close pipes.
-
-- Issue #12720: Expose low-level Linux extended file attribute functions in os.
-
-- Issue #10946: The distutils commands bdist_dumb, bdist_wininst and bdist_msi
-  now respect a --skip-build option given to bdist.  The packaging commands
-  were fixed too.
-
-- Issue #12847: Fix a crash with negative PUT and LONG_BINPUT arguments in
-  the C pickle implementation.
-
-- Issue #11564: Avoid crashes when trying to pickle huge objects or containers
-  (more than 2**31 items).  Instead, in most cases, an OverflowError is raised.
-
-- Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is
-  greater than FD_SETSIZE.
-
-- Issue #12839: Fix crash in zlib module due to version mismatch.
-  Fix by Richard M. Tew.
-
-- Issue #9923: The mailcap module now correctly uses the platform path
-  separator for the MAILCAP environment variable on non-POSIX platforms.
-
-- Issue #12835: Follow up to #6560 that unconditionally prevents use of the
-  unencrypted sendmsg/recvmsg APIs on SSL wrapped sockets. Patch by David
-  Watson.
-
-- Issue #12803: SSLContext.load_cert_chain() now accepts a password argument
-  to be used if the private key is encrypted.  Patch by Adam Simpkins.
-
-- Issue #11657: Fix sending file descriptors over 255 over a multiprocessing
-  Pipe.
-
-- Issue #12811: tabnanny.check() now promptly closes checked files. Patch by
-  Anthony Briggs.
-
-- Issue #6560: The sendmsg/recvmsg API is now exposed by the socket module
-  when provided by the underlying platform, supporting processing of
-  ancillary data in pure Python code. Patch by David Watson and Heiko Wundram.
-
-- Issue #12326: On Linux, sys.platform doesn't contain the major version
-  anymore. It is now always 'linux', instead of 'linux2' or 'linux3' depending
-  on the Linux version used to build Python.
-
-- Issue #12213: Fix a buffering bug with interleaved reads and writes that
-  could appear on BufferedRandom streams.
-
-- Issue #12778: Reduce memory consumption when JSON-encoding a large
-  container of many small objects.
-
-- Issue #12650: Fix a race condition where a subprocess.Popen could leak
-  resources (FD/zombie) when killed at the wrong time.
-
-- Issue #12744: Fix inefficient representation of integers between 2**31 and
-  2**63 on systems with a 64-bit C "long".
-
-- Issue #12646: Add an 'eof' attribute to zlib.Decompress, to make it easier to
-  detect truncated input streams.
-
-- Issue #11513: Fix exception handling ``tarfile.TarFile.gzopen()`` when
-  the file cannot be opened.
-
-- Issue #12687: Fix a possible buffering bug when unpickling text mode
-  (protocol 0, mostly) pickles.
-
-- Issue #10087: Fix the html output format of the calendar module.
-
-- Issue #13121: add support for inplace math operators to collections.Counter.
-
-- Add support for unary plus and unary minus to collections.Counter.
-
-- Issue #12683: urlparse updated to include svn as schemes that uses relative
-  paths. (svn from 1.5 onwards support relative path).
-
-- Issue #12655: Expose functions from sched.h in the os module: sched_yield(),
-  sched_setscheduler(), sched_getscheduler(), sched_setparam(),
-  sched_get_min_priority(), sched_get_max_priority(), sched_rr_get_interval(),
-  sched_getaffinity(), sched_setaffinity().
-
-- Add ThreadError to threading.__all__.
-
-- Issues #11104, #8688: Fix the behavior of distutils' sdist command with
-  manually-maintained MANIFEST files.
-
-- Issue #11281: smtplib.STMP gets source_address parameter, which adds the
-  ability to bind to specific source address on a machine with multiple
-  interfaces. Patch by Paulo Scardine.
-
-- Issue #12464: tempfile.TemporaryDirectory.cleanup() should not follow
-  symlinks: fix it. Patch by Petri Lehtinen.
-
-- Issue #8887: "pydoc somebuiltin.somemethod" (or help('somebuiltin.somemethod')
-  in Python code) now finds the doc of the method.
-
-- Issue #10968: Remove indirection in threading.  The public names (Event,
-  Condition, etc.) used to be factory functions returning instances of hidden
-  classes (_Event, _Condition, etc.), because (if Guido recalls correctly) this
-  code pre-dates the ability to subclass extension types.  It is now possible
-  to inherit from these classes, without having to import the private
-  underscored names like multiprocessing did.
-
-- Issue #9723: Add shlex.quote functions, to escape filenames and command
-  lines.
-
-- Issue #12603: Fix pydoc.synopsis() on files with non-negative st_mtime.
-
-- Issue #12514: Use try/finally to assure the timeit module restores garbage
-  collections when it is done.
-
-- Issue #12607: In subprocess, fix issue where if stdin, stdout or stderr is
-  given as a low fd, it gets overwritten.
-
-- Issue #12576: Fix urlopen behavior on sites which do not send (or obfuscates)
-  ``Connection: close`` header.
-
-- Issue #12560: Build libpython.so on OpenBSD. Patch by Stefan Sperling.
-
-- Issue #1813: Fix codec lookup under Turkish locales.
-
-- Issue #12591: Improve support of "universal newlines" in the subprocess
-  module: the piped streams can now be properly read from or written to.
-
-- Issue #12591: Allow io.TextIOWrapper to work with raw IO objects (without
-  a read1() method), and add a *write_through* parameter to mandate
-  unbuffered writes.
-
-- Issue #10883: Fix socket leaks in urllib.request when using FTP.
-
-- Issue #12592: Make Python build on OpenBSD 5 (and future major releases).
-
-- Issue #12372: POSIX semaphores are broken on AIX: don't use them.
-
-- Issue #12551: Provide a get_channel_binding() method on SSL sockets so as
-  to get channel binding data for the current SSL session (only the
-  "tls-unique" channel binding is implemented).  This allows the implementation
-  of certain authentication mechanisms such as SCRAM-SHA-1-PLUS.  Patch by
-  Jacek Konieczny.
-
-- Issue #665194: email.utils now has format_datetime and parsedate_to_datetime
-  functions, allowing for round tripping of RFC2822 format dates.
-
-- Issue #12571: Add a plat-linux3 directory mirroring the plat-linux2
-  directory, so that "import DLFCN" and other similar imports work on
-  Linux 3.0.
-
-- Issue #7484: smtplib no longer puts <> around addresses in VRFY and EXPN
-  commands; they aren't required and in fact postfix doesn't support that form.
-
-- Issue #12273: Remove ast.__version__. AST changes can be accounted for by
-  checking sys.version_info or sys._mercurial.
-
-- Silence spurious "broken pipe" tracebacks when shutting down a
-  ProcessPoolExecutor.
-
-- Fix potential resource leaks in concurrent.futures.ProcessPoolExecutor
-  by joining all queues and processes when shutdown() is called.
-
-- Issue #11603: Fix a crash when __str__ is rebound as __repr__.  Patch by
-  Andreas Stührk.
-
-- Issue #11321: Fix a crash with multiple imports of the _pickle module when
-  embedding Python.  Patch by Andreas Stührk.
-
-- Issue #6755: Add get_wch() method to curses.window class. Patch by Iñigo
-  Serna.
-
-- Add cgi.closelog() function to close the log file.
-
-- Issue #12502: asyncore: fix polling loop with AF_UNIX sockets.
-
-- Issue #4376: ctypes now supports nested structures in a endian different than
-  the parent structure. Patch by Vlad Riscutia.
-
-- Raise ValueError when attempting to set the _CHUNK_SIZE attribute of a
-  TextIOWrapper to a huge value, not TypeError.
-
-- Issue #12504: Close file handles in a timely manner in packaging.database.
-  This fixes a bug with the remove (uninstall) feature on Windows.
-
-- Issues #12169 and #10510: Factor out code used by various packaging commands
-  to make HTTP POST requests, and make sure it uses CRLF.
-
-- Issue #12016: Multibyte CJK decoders now resynchronize faster. They only
-  ignore the first byte of an invalid byte sequence. For example,
-  b'\xff\n'.decode('gb2312', 'replace') gives '\ufffd\n' instead of '\ufffd'.
-
-- Issue #12459: time.sleep() now raises a ValueError if the sleep length is
-  negative, instead of an infinite sleep on Windows or raising an IOError on
-  Linux for example, to have the same behaviour on all platforms.
-
-- Issue #12451: pydoc: html_getfile() now uses tokenize.open() to support
-  Python scripts using a encoding different than UTF-8 (read the coding cookie
-  of the script).
-
-- Issue #12493: subprocess: Popen.communicate() now also handles EINTR errors
-  if the process has only one pipe.
-
-- Issue #12467: warnings: fix a race condition if a warning is emitted at
-  shutdown, if globals()['__file__'] is None.
-
-- Issue #12451: pydoc: importfile() now opens the Python script in binary mode,
-  instead of text mode using the locale encoding, to avoid encoding issues.
-
-- Issue #12451: runpy: run_path() now opens the Python script in binary mode,
-  instead of text mode using the locale encoding, to support other encodings
-  than UTF-8 (scripts using the coding cookie).
-
-- Issue #12451: xml.dom.pulldom: parse() now opens files in binary mode instead
-  of the text mode (using the locale encoding) to avoid encoding issues.
-
-- Issue #12147: Adjust the new-in-3.2 smtplib.send_message method for better
-  conformance to the RFCs:  correctly handle Sender and Resent- headers.
-
-- Issue #12352: Fix a deadlock in multiprocessing.Heap when a block is freed by
-  the garbage collector while the Heap lock is held.
-
-- Issue #12462: time.sleep() now immediately calls the (Python) signal handler
-  if it is interrupted by a signal, instead of having to wait until the next
-  instruction.
-
-- Issue #12442: new shutil.disk_usage function, providing total, used and free
-  disk space statistics.
-
-- Issue #12451: The XInclude default loader of xml.etree now decodes files from
-  UTF-8 instead of the locale encoding if the encoding is not specified. It now
-  also opens XML files for the parser in binary mode instead of the text mode
-  to avoid encoding issues.
-
-- Issue #12451: doctest.debug_script() doesn't create a temporary file
-  anymore to avoid encoding issues.
-
-- Issue #12451: pydoc.synopsis() now reads the encoding cookie if available,
-  to read the Python script from the right encoding.
-
-- Issue #12451: distutils now opens the setup script in binary mode to read the
-  encoding cookie, instead of opening it in UTF-8.
-
-- Issue #9516: On Mac OS X, change Distutils to no longer globally attempt to
-  check or set the MACOSX_DEPLOYMENT_TARGET environment variable for the
-  interpreter process.  This could cause failures in non-Distutils subprocesses
-  and was unreliable since tests or user programs could modify the interpreter
-  environment after Distutils set it.  Instead, have Distutils set the
-  deployment target only in the environment of each build subprocess.  It is
-  still possible to globally override the default by setting
-  MACOSX_DEPLOYMENT_TARGET before launching the interpreter; its value must be
-  greater or equal to the default value, the value with which the interpreter
-  was built.  Also, implement the same handling in packaging.
-
-- Issue #12422: In the copy module, don't store objects that are their own copy
-  in the memo dict.
-
-- Issue #12303: Add sigwaitinfo() and sigtimedwait() to the signal module.
-
-- Issue #12404: Remove C89 incompatible code from mmap module. Patch by Akira
-  Kitada.
-
-- Issue #1874: email now detects and reports as a defect the presence of
-  any CTE other than 7bit, 8bit, or binary on a multipart.
-
-- Issue #12383: Fix subprocess module with env={}: don't copy the environment
-  variables, start with an empty environment.
-
-- Issue #11637: Fix support for importing packaging setup hooks from the
-  project directory.
-
-- Issue #6771: Moved the curses.wrapper function from the single-function
-  wrapper module into __init__, eliminating the module.  Since __init__ was
-  already importing the function to curses.wrapper, there is no API change.
-
-- Issue #11584: email.header.decode_header no longer fails if the header
-  passed to it is a Header object, and Header/make_header no longer fail
-  if given binary unknown-8bit input.
-
-- Issue #11700: mailbox proxy object close methods can now be called multiple
-  times without error.
-
-- Issue #11767: Correct file descriptor leak in mailbox's __getitem__ method.
-
-- Issue #12133: AbstractHTTPHandler.do_open() of urllib.request closes the HTTP
-  connection if its getresponse() method fails with a socket error. Patch
-  written by Ezio Melotti.
-
-- Issue #12240: Allow multiple setup hooks in packaging's setup.cfg files.
-  Original patch by Erik Bray.
-
-- Issue #9284: Allow inspect.findsource() to find the source of doctest
-  functions.
-
-- Issue #11595: Fix assorted bugs in packaging.util.cfg_to_args, a
-  compatibility helper for the distutils-packaging transition.  Original patch
-  by Erik Bray.
-
-- Issue #12287: In ossaudiodev, check that the device isn't closed in several
-  methods.
-
-- Issue #12009: Fixed regression in netrc file comment handling.
-
-- Issue #12246: Warn and fail when trying to install a third-party project from
-  an uninstalled Python (built in a source checkout).  Original patch by
-  Tshepang Lekhonkhobe.
-
-- Issue #10694: zipfile now ignores garbage at the end of a zipfile.
-
-- Issue #12283: Fixed regression in smtplib quoting of leading dots in DATA.
-
-- Issue #10424: Argparse now includes the names of the missing required
-  arguments in the missing arguments error message.
-
-- Issue #12168: SysLogHandler now allows NUL termination to be controlled using
-  a new 'append_nul' attribute on the handler.
-
-- Issue #11583: Speed up os.path.isdir on Windows by using GetFileAttributes
-  instead of os.stat.
-
-- Issue #12021: Make mmap's read() method argument optional. Patch by Petri
-  Lehtinen.
-
-- Issue #9205: concurrent.futures.ProcessPoolExecutor now detects killed
-  children and raises BrokenProcessPool in such a situation.  Previously it
-  would reliably freeze/deadlock.
-
-- Issue #12040: Expose a new attribute ``sentinel`` on instances of
-  ``multiprocessing.Process``.  Also, fix Process.join() to not use polling
-  anymore, when given a timeout.
-
-- Issue #11893: Remove obsolete internal wrapper class ``SSLFakeFile`` in the
-  smtplib module.  Patch by Catalin Iacob.
-
-- Issue #12080: Fix a Decimal.power() case that took an unreasonably long time
-  to compute.
-
-- Issue #12221: Remove __version__ attributes from pyexpat, pickle, tarfile,
-  pydoc, tkinter, and xml.parsers.expat. This were useless version constants
-  left over from the Mercurial transition
-
-- Named tuples now work correctly with vars().
-
-- Issue #12085: Fix an attribute error in subprocess.Popen destructor if the
-  constructor has failed, e.g. because of an undeclared keyword argument. Patch
-  written by Oleg Oshmyan.
-
-- Issue #12028: Make threading._get_ident() public, rename it to
-  threading.get_ident() and document it. This function was already used using
-  _thread.get_ident().
-
-- Issue #12171: IncrementalEncoder.reset() of CJK codecs (multibytecodec) calls
-  encreset() instead of decreset().
-
-- Issue #12218: Removed wsgiref.egg-info.
-
-- Issue #12196: Add pipe2() to the os module.
-
-- Issue #985064: Make plistlib more resilient to faulty input plists.
-  Patch by Mher Movsisyan.
-
-- Issue #1625: BZ2File and bz2.decompress() now support multi-stream files.
-  Initial patch by Nir Aides.
-
-- Issue #12175: BufferedReader.read(-1) now calls raw.readall() if available.
-
-- Issue #12175: FileIO.readall() now only reads the file position and size
-  once.
-
-- Issue #12175: RawIOBase.readall() now returns None if read() returns None.
-
-- Issue #12175: FileIO.readall() now raises a ValueError instead of an IOError
-  if the file is closed.
-
-- Issue #11109: New service_action method for BaseServer, used by ForkingMixin
-  class for cleanup. Initial Patch by Justin Warkentin.
-
-- Issue #12045: Avoid duplicate execution of command in
-  ctypes.util._get_soname().  Patch by Sijin Joseph.
-
-- Issue #10818: Remove the Tk GUI and the serve() function of the pydoc module,
-  pydoc -g has been deprecated in Python 3.2 and it has a new enhanced web
-  server.
-
-- Issue #1441530: In imaplib, read the data in one chunk to speed up large
-  reads and simplify code.
-
-- Issue #12070: Fix the Makefile parser of the sysconfig module to handle
-  correctly references to "bogus variable" (e.g. "prefix=$/opt/python").
-
-- Issue #12100: Don't reset incremental encoders of CJK codecs at each call to
-  their encode() method anymore, but continue to call the reset() method if the
-  final argument is True.
-
-- Issue #12049: Add RAND_bytes() and RAND_pseudo_bytes() functions to the ssl
-  module.
-
-- Issue #6501: os.device_encoding() returns None on Windows if the application
-  has no console.
-
-- Issue #12105: Add O_CLOEXEC to the os module.
-
-- Issue #12079: Decimal('Infinity').fma(Decimal('0'), (3.91224318126786e+19+0j))
-  now raises TypeError (reflecting the invalid type of the 3rd argument) rather
-  than Decimal.InvalidOperation.
-
-- Issue #12124: zipimport doesn't keep a reference to zlib.decompress() anymore
-  to be able to unload the module.
-
-- Add the packaging module, an improved fork of distutils (also known as
-  distutils2).
-
-- Issue #12065: connect_ex() on an SSL socket now returns the original errno
-  when the socket's timeout expires (it used to return None).
-
-- Issue #8809: The SMTP_SSL constructor and SMTP.starttls() now support
-  passing a ``context`` argument pointing to an ssl.SSLContext instance.
-  Patch by Kasun Herath.
-
-- Issue #9516: Issue #9516: avoid errors in sysconfig when MACOSX_DEPLOYMENT_TARGET
-  is set in shell.
-
-- Issue #8650: Make zlib module 64-bit clean. compress(), decompress() and
-  their incremental counterparts now raise OverflowError if given an input
-  larger than 4GB, instead of silently truncating the input and returning
-  an incorrect result.
-
-- Issue #12050: zlib.decompressobj().decompress() now clears the unconsumed_tail
-  attribute when called without a max_length argument.
-
-- Issue #12062: Fix a flushing bug when doing a certain type of I/O sequence
-  on a file opened in read+write mode (namely: reading, seeking a bit forward,
-  writing, then seeking before the previous write but still within buffered
-  data, and writing again).
-
-- Issue #9971: Write an optimized implementation of BufferedReader.readinto().
-  Patch by John O'Connor.
-
-- Issue #11799: urllib.request Authentication Handlers will raise a ValueError
-  when presented with an unsupported Authentication Scheme. Patch contributed
-  by Yuval Greenfield.
-
-- Issue #10419, #6011: build_scripts command of distutils handles correctly
-  non-ASCII path (path to the Python executable). Open and write the script in
-  binary mode, but ensure that the shebang is decodable from UTF-8 and from the
-  encoding of the script.
-
-- Issue #8498: In socket.accept(), allow to specify 0 as a backlog value in
-  order to accept exactly one connection.  Patch by Daniel Evers.
-
-- Issue #12011: signal.signal() and signal.siginterrupt() raise an OSError,
-  instead of a RuntimeError: OSError has an errno attribute.
-
-- Issue #3709: add a flush_headers method to BaseHTTPRequestHandler, which
-  manages the sending of headers to output stream and flushing the internal
-  headers buffer. Patch contribution by Andrew Schaaf
-
-- Issue #11743: Rewrite multiprocessing connection classes in pure Python.
-
-- Issue #11164: Stop trying to use _xmlplus in the xml module.
-
-- Issue #11888: Add log2 function to math module. Patch written by Mark
-  Dickinson.
-
-- Issue #12012: ssl.PROTOCOL_SSLv2 becomes optional.
-
-- Issue #8407: The signal handler writes the signal number as a single byte
-  instead of a nul byte into the wakeup file descriptor. So it is possible to
-  wait more than one signal and know which signals were raised.
-
-- Issue #8407: Add pthread_kill(), sigpending() and sigwait() functions to the
-  signal module.
-
-- Issue #11927: SMTP_SSL now uses port 465 by default as documented.  Patch
-  by Kasun Herath.
-
-- Issue #12002: ftplib's abort() method raises TypeError.
-
-- Issue #11916: Add a number of MacOSX specific definitions to the errno module.
-  Patch by Pierre Carrier.
-
-- Issue #11999: fixed sporadic sync failure mailbox.Maildir due to its trying to
-  detect mtime changes by comparing to the system clock instead of to the
-  previous value of the mtime.
-
-- Issue #11072: added MLSD command (RFC-3659) support to ftplib.
-
-- Issue #8808: The IMAP4_SSL constructor now allows passing an SSLContext
-  parameter to control parameters of the secure channel.  Patch by Sijin
-  Joseph.
-
-- ntpath.samefile failed to notice that "a.txt" and "A.TXT" refer to the same
-  file on Windows XP. As noticed in issue #10684.
-
-- Issue #12000: When a SSL certificate has a subjectAltName without any
-  dNSName entry, ssl.match_hostname() should use the subject's commonName.
-  Patch by Nicolas Bareil.
-
-- Issue #10775: assertRaises, assertRaisesRegex, assertWarns, and
-  assertWarnsRegex now accept a keyword argument 'msg' when used as context
-  managers.  Initial patch by Winston Ewert.
-
-- Issue #10684: shutil.move used to delete a folder on case insensitive
-  filesystems when the source and destination name where the same except
-  for the case.
-
-- Issue #11647: objects created using contextlib.contextmanager now support
-  more than one call to the function when used as a decorator. Initial patch
-  by Ysj Ray.
-
-- Issue #11930: Removed deprecated time.accept2dyear variable.
-  Removed year >= 1000 restriction from datetime.strftime.
-
-- logging: don't define QueueListener if Python has no thread support.
-
-- functools.cmp_to_key() now works with collections.Hashable().
-
-- Issue #11277: mmap.mmap() calls fcntl(fd, F_FULLFSYNC) on Mac OS X to get
-  around a mmap bug with sparse files. Patch written by Steffen Daode Nurpmeso.
-
-- Issue #8407: Add signal.pthread_sigmask() function to fetch and/or change the
-  signal mask of the calling thread.
-
-- Issue #11858: configparser.ExtendedInterpolation expected lower-case section
-  names.
-
-- Issue #11324: ConfigParser(interpolation=None) now works correctly.
-
-- Issue #11811: ssl.get_server_certificate() is now IPv6-compatible.  Patch
-  by Charles-François Natali.
-
-- Issue #11763: don't use difflib in TestCase.assertMultiLineEqual if the
-  strings are too long.
-
-- Issue #11236: getpass.getpass responds to ctrl-c or ctrl-z on terminal.
-
-- Issue #11856: Speed up parsing of JSON numbers.
-
-- Issue #11005: threading.RLock()._release_save() raises a RuntimeError if the
-  lock was not acquired.
-
-- Issue #11258: Speed up ctypes.util.find_library() under Linux by a factor
-  of 5 to 10.  Initial patch by Jonas H.
-
-- Issue #11382: Trivial system calls, such as dup() or pipe(), needn't
-  release the GIL.  Patch by Charles-François Natali.
-
-- Issue #11223: Add threading._info() function providing informations about
-  the thread implementation.
-
-- Issue #11731: simplify/enhance email parser/generator API by introducing
-  policy objects.
-
-- Issue #11768: The signal handler of the signal module only calls
-  Py_AddPendingCall() for the first signal to fix a deadlock on reentrant or
-  parallel calls. PyErr_SetInterrupt() writes also into the wake up file.
-
-- Issue #11492: fix several issues with header folding in the email package.
-
-- Issue #11852: Add missing imports and update tests.
-
-- Issue #11875: collections.OrderedDict's __reduce__ was temporarily
-  mutating the object instead of just working on a copy.
-
-- Issue #11467: Fix urlparse behavior when handling urls which contains scheme
-  specific part only digits. Patch by Santoso Wijaya.
-
-- collections.Counter().copy() now works correctly for subclasses.
-
-- Issue #11474: Fix the bug with url2pathname() handling of '/C|/' on Windows.
-  Patch by Santoso Wijaya.
-
-- Issue #11684: complete email.parser bytes API by adding BytesHeaderParser.
-
-- The bz2 module now handles 4GiB+ input buffers correctly.
-
-- Issue #9233: Fix json.loads('{}') to return a dict (instead of a list), when
-  _json is not available.
-
-- Issue #11830: Remove unnecessary introspection code in the decimal module.
-
-- Issue #11703: urllib2.geturl() does not return correct url when the original
-  url contains #fragment.
-
-- Issue #10019: Fixed regression in json module where an indent of 0 stopped
-  adding newlines and acted instead like 'None'.
-
-- Issue #11186: pydoc ignores a module if its name contains a surrogate
-  character in the index of modules.
-
-- Issue #11815: Use a light-weight SimpleQueue for the result queue in
-  concurrent.futures.ProcessPoolExecutor.
-
-- Issue #5162: Treat services like frozen executables to allow child spawning
-  from multiprocessing.forking on Windows.
-
-- logging.basicConfig now supports an optional 'handlers' argument taking an
-  iterable of handlers to be added to the root logger. Additional parameter
-  checks were also added to basicConfig.
-
-- Issue #11814: Fix likely typo in multiprocessing.Pool._terminate().
-
-- Issue #11747: Fix range formatting in difflib.context_diff() and
-  difflib.unified_diff().
-
-- Issue #8428: Fix a race condition in multiprocessing.Pool when terminating
-  worker processes: new processes would be spawned while the pool is being
-  shut down.  Patch by Charles-François Natali.
-
-- Issue #2650: re.escape() no longer escapes the '_'.
-
-- Issue #11757: select.select() now raises ValueError when a negative timeout
-  is passed (previously, a select.error with EINVAL would be raised).  Patch
-  by Charles-François Natali.
-
-- Issue #7311: fix html.parser to accept non-ASCII attribute values.
-
-- Issue #11605: email.parser.BytesFeedParser was incorrectly converting
-  multipart subparts with an 8-bit CTE into unicode instead of preserving the
-  bytes.
-
-- Issue #1690608: email.util.formataddr is now RFC 2047 aware:  it now has a
-  charset parameter that defaults to utf-8 and is used as the charset for RFC
-  2047 encoding when the realname contains non-ASCII characters.
-
-- Issue #10963: Ensure that subprocess.communicate() never raises EPIPE.
-
-- Issue #10791: Implement missing method GzipFile.read1(), allowing GzipFile
-  to be wrapped in a TextIOWrapper.  Patch by Nadeem Vawda.
-
-- Issue #11707: Added a fast C version of functools.cmp_to_key().
-  Patch by Filip Gruszczyński.
-
-- Issue #11688: Add sqlite3.Connection.set_trace_callback().  Patch by
-  Torsten Landschoff.
-
-- Issue #11746: Fix SSLContext.load_cert_chain() to accept elliptic curve
-  private keys.
-
-- Issue #5863: Rewrite BZ2File in pure Python, and allow it to accept
-  file-like objects using a new ``fileobj`` constructor argument.  Patch by
-  Nadeem Vawda.
-
-- unittest.TestCase.assertSameElements has been removed.
-
-- sys.getfilesystemencoding() raises a RuntimeError if initfsencoding() was not
-  called yet: detect bootstrap (startup) issues earlier.
-
-- Issue #11393: Add the new faulthandler module.
-
-- Issue #11618: Fix the timeout logic in threading.Lock.acquire() under Windows.
-
-- Removed the 'strict' argument to email.parser.Parser, which has been
-  deprecated since Python 2.4.
-
-- Issue #11256: Fix inspect.getcallargs on functions that take only keyword
-  arguments.
-
-- Issue #11696: Fix ID generation in msilib.
-
-- itertools.accumulate now supports an optional *func* argument for
-  a user-supplied binary function.
-
-- Issue #11692: Remove unnecessary demo functions in subprocess module.
-
-- Issue #9696: Fix exception incorrectly raised by xdrlib.Packer.pack_int when
-  trying to pack a negative (in-range) integer.
-
-- Issue #11675: multiprocessing.[Raw]Array objects created from an integer size
-  are now zeroed on creation.  This matches the behaviour specified by the
-  documentation.
-
-- Issue #7639: Fix short file name generation in bdist_msi
-
-- Issue #11635: Don't use polling in worker threads and processes launched by
-  concurrent.futures.
-
-- Issue #5845: Automatically read readline configuration to enable completion
-  in interactive mode.
-
-- Issue #6811: Allow importlib to change a code object's co_filename attribute
-  to match the path to where the source code currently is, not where the code
-  object originally came from.
-
-- Issue #8754: Have importlib use the repr of a module name in error messages.
-
-- Issue #11591: Prevent "import site" from modifying sys.path when python
-  was started with -S.
-
-- collections.namedtuple() now adds a _source attribute to the generated
-  class.  This make the source more accessible than the outdated
-  "verbose" option which prints to stdout but doesn't make the source
-  string available.
-
-- Issue #11371: Mark getopt error messages as localizable.  Patch by Filip
-  Gruszczyński.
-
-- Issue #11333: Add __slots__ to collections ABCs.
-
-- Issue #11628: cmp_to_key generated class should use __slots__.
-
-- Issue #11666: let help() display named tuple attributes and methods
-  that start with a leading underscore.
-
-- Issue #11662: Make urllib and urllib2 ignore redirections if the
-  scheme is not HTTP, HTTPS or FTP (CVE-2011-1521).
-
-- Issue #5537: Fix time2isoz() and time2netscape() functions of
-  httplib.cookiejar for expiration year greater than 2038 on 32-bit systems.
-
-- Issue #4391: Use proper gettext plural forms in optparse.
-
-- Issue #11127: Raise a TypeError when trying to pickle a socket object.
-
-- Issue #11563: ``Connection: close`` header is sent by requests using URLOpener
-  class which helps in closing of sockets after connection is over. Patch
-  contributions by Jeff McNeil and Nadeem Vawda.
-
-- Issue #11459: A ``bufsize`` value of 0 in subprocess.Popen() really creates
-  unbuffered pipes, such that select() works properly on them.
-
-- Issue #5421: Fix misleading error message when one of socket.sendto()'s
-  arguments has the wrong type.  Patch by Nikita Vetoshkin.
-
-- Issue #10812: Add some extra posix functions to the os module.
-
-- Issue #10979: unittest stdout buffering now works with class and module
-  setup and teardown.
-
-- Issue #11243: fix the parameter querying methods of Message to work if
-  the headers contain un-encoded non-ASCII data.
-
-- Issue #11401: fix handling of headers with no value; this fixes a regression
-  relative to Python2 and the result is now the same as it was in Python2.
-
-- Issue #9298: base64 bodies weren't being folded to line lengths less than 78,
-  which was a regression relative to Python2.  Unlike Python2, the last line
-  of the folded body now ends with a carriage return.
-
-- Issue #11560: shutil.unpack_archive now correctly handles the format
-  parameter. Patch by Evan Dandrea.
-
-- Issue #5870: Add `subprocess.DEVNULL` constant.
-
-- Issue #11133: fix two cases where inspect.getattr_static can trigger code
-  execution. Patch by Andreas Stührk.
-
-- Issue #11569: use absolute path to the sysctl command in multiprocessing to
-  ensure that it will be found regardless of the shell PATH. This ensures
-  that multiprocessing.cpu_count works on default installs of MacOSX.
-
-- Issue #11501: disutils.archive_utils.make_zipfile no longer fails if zlib is
-  not installed. Instead, the zipfile.ZIP_STORED compression is used to create
-  the ZipFile. Patch by Natalia B. Bidart.
-
-- Issue #11289: `smtp.SMTP` class is now a context manager so it can be used
-  in a `with` statement.  Contributed by Giampaolo Rodola.
-
-- Issue #11554: Fixed support for Japanese codecs; previously the body output
-  encoding was not done if euc-jp or shift-jis was specified as the charset.
-
-- Issue #11407: `TestCase.run` returns the result object used or created.
-  Contributed by Janathan Hartley.
-
-- Issue #11500: Fixed a bug in the OS X proxy bypass code for fully qualified
-  IP addresses in the proxy exception list.
-
-- Issue #11491: dbm.error is no longer raised when dbm.open is called with
-  the "n" as the flag argument and the file exists. The behavior matches
-  the documentation and general logic.
-
-- Issue #1162477: Postel Principle adjustment to email date parsing: handle the
-  fact that some non-compliant MUAs use '.' instead of ':' in time specs.
-
-- Issue #11131: Fix sign of zero in decimal.Decimal plus and minus
-  operations when the rounding mode is ROUND_FLOOR.
-
-- Issue #9935: Speed up pickling of instances of user-defined classes.
-
-- Issue #5622: Fix curses.wrapper to raise correct exception if curses
-  initialization fails.
-
-- Issue #11408: In threading.Lock.acquire(), only call gettimeofday() when
-  really necessary.  Patch by Charles-François Natali.
-
-- Issue #11391: Writing to a mmap object created with
-  ``mmap.PROT_READ|mmap.PROT_EXEC`` would segfault instead of raising a
-  TypeError.  Patch by Charles-François Natali.
-
-- Issue #9795: add context manager protocol support for nntplib.NNTP class.
-
-- Issue #11306: mailbox in certain cases adapts to an inability to open
-  certain files in read-write mode.  Previously it detected this by
-  checking for EACCES, now it also checks for EROFS.
-
-- Issue #11265: asyncore now correctly handles EPIPE, EBADF and EAGAIN errors
-  on accept(), send() and recv().
-
-- Issue #11377: Deprecate platform.popen() and reimplement it with os.popen().
-
-- Issue #8513: On UNIX, subprocess supports bytes command string.
-
-- Issue #10866: Add socket.sethostname().  Initial patch by Ross Lagerwall.
-
-- Issue #11140: Lock.release() now raises a RuntimeError when attempting
-  to release an unacquired lock, as claimed in the threading documentation.
-  The _thread.error exception is now an alias of RuntimeError.  Patch by
-  Filip Gruszczyński.  Patch for _dummy_thread by Aymeric Augustin.
-
-- Issue #8594: ftplib now provides a source_address parameter to specify which
-  (address, port) to bind to before connecting.
-
-- Issue #11326: Add the missing connect_ex() implementation for SSL sockets,
-  and make it work for non-blocking connects.
-
-- Issue #11297: Add collections.ChainMap().
-
-- Issue #10755: Add the posix.flistdir() function.  Patch by Ross Lagerwall.
-
-- Issue #4761: Add the ``*at()`` family of functions (openat(), etc.) to the
-  posix module.  Patch by Ross Lagerwall.
-
-- Issue #7322: Trying to read from a socket's file-like object after a timeout
-  occurred now raises an error instead of silently losing data.
-
-- Issue #11291: poplib.POP no longer suppresses errors on quit().
-
-- Issue #11177: asyncore's create_socket() arguments can now be omitted.
-
-- Issue #6064: Add a ``daemon`` keyword argument to the threading.Thread
-  and multiprocessing.Process constructors in order to override the
-  default behaviour of inheriting the daemonic property from the current
-  thread/process.
-
-- Issue #10956: Buffered I/O classes retry reading or writing after a signal
-  has arrived and the handler returned successfully.
-
-- Issue #10784: New os.getpriority() and os.setpriority() functions.
-
-- Issue #11114: Fix catastrophic performance of tell() on text files (up
-  to 1000x faster in some cases).  It is still one to two order of magnitudes
-  slower than binary tell().
-
-- Issue #10882: Add os.sendfile function.
-
-- Issue #10868: Allow usage of the register method of an ABC as a class
-  decorator.
-
-- Issue #11224: Fixed a regression in tarfile that affected the file-like
-  objects returned by TarFile.extractfile() regarding performance, memory
-  consumption and failures with the stream interface.
-
-- Issue #10924: Adding salt and Modular Crypt Format to crypt library.
-  Moved old C wrapper to _crypt, and added a Python wrapper with
-  enhanced salt generation and simpler API for password generation.
-
-- Issue #11074: Make 'tokenize' so it can be reloaded.
-
-- Issue #11085: Moved collections abstract base classes into a separate
-  module called collections.abc, following the pattern used by importlib.abc.
-  For backwards compatibility, the names are imported into the collections
-  module.
-
-- Issue #4681: Allow mmap() to work on file sizes and offsets larger than
-  4GB, even on 32-bit builds.  Initial patch by Ross Lagerwall, adapted for
-  32-bit Windows.
-
-- Issue #11169: compileall module uses repr() to format filenames and paths to
-  escape surrogate characters and show spaces.
-
-- Issue #11089: Fix performance issue limiting the use of ConfigParser()
-  with large config files.
-
-- Issue #10276: Fix the results of zlib.crc32() and zlib.adler32() on buffers
-  larger than 4GB.  Patch by Nadeem Vawda.
-
-- Issue #11388: Added a clear() method to MutableSequence
-
-- Issue #11174: Add argparse.MetavarTypeHelpFormatter, which uses type names
-  for the names of optional and positional arguments in help messages.
-
-- Issue #9348: Raise an early error if argparse nargs and metavar don't match.
-
-- Issue #9026: Fix order of argparse sub-commands in help messages.
-
-- Issue #9347: Fix formatting for tuples in argparse type= error messages.
-
-- Issue #12191: Added shutil.chown() to change user and/or group owner of a
-  given path also specifying their names.
-
-- Issue #13988: The _elementtree accelerator is used whenever available.
-  Now xml.etree.cElementTree becomes a deprecated alias to ElementTree.
-
-Build
------
-
-- Issue #6807: Run msisupport.mak earlier.
-
-- Issue #10580: Minor grammar change in Windows installer.
-
-- Issue #13326: Clean __pycache__ directories correctly on OpenBSD.
-
-- PEP 393: the configure option --with-wide-unicode is removed.
-
-- Issue #12852: Set _XOPEN_SOURCE to 700, instead of 600, to get POSIX 2008
-  functions on OpenBSD (e.g. fdopendir).
-
-- Issue #11863: Remove support for legacy systems deprecated in Python 3.2
-  (following PEP 11).  These systems are systems using Mach C Threads,
-  SunOS lightweight processes, GNU pth threads and IRIX threads.
-
-- Issue #8746: Correct faulty configure checks so that os.chflags() and
-  os.lchflags() are once again built on systems that support these
-  functions (BSD and OS X).  Also add new stat file flags for OS X
-  (UF_HIDDEN and UF_COMPRESSED).
-
-- Issue #10645: Installing Python no longer creates a
-  Python-X.Y.Z-pyX.Y.egg-info file in the lib-dynload directory.
-
-- Do not accidentally include the directory containing sqlite.h twice when
-  building sqlite3.
-
-- Issue #11217: For 64-bit/32-bit Mac OS X universal framework builds,
-  ensure "make install" creates symlinks in --prefix bin for the "-32"
-  files in the framework bin directory like the installer does.
-
-- Issue #11347: Use --no-as-needed when linking libpython3.so.
-
-- Issue #11411: Fix 'make DESTDIR=' with a relative destination.
-
-- Issue #11268: Prevent Mac OS X Installer failure if Documentation
-  package had previously been installed.
-
-- Issue #11495: OSF support is eliminated. It was deprecated in Python 3.2.
-
-IDLE
-----
-
-- Issue #14409: IDLE now properly executes commands in the Shell window
-  when it cannot read the normal config files on startup and
-  has to use the built-in default key bindings.
-  There was previously a bug in one of the defaults.
-
-- IDLE can be launched as python -m idlelib
-
-- Issue #3573: IDLE hangs when passing invalid command line args
-  (directory(ies) instead of file(s)) (Patch by Guilherme Polo)
-
-- Issue #14200: IDLE shell crash on printing non-BMP unicode character.
-
-- Issue #5219: Prevent event handler cascade in IDLE.
-
-- Issue #964437: Make IDLE help window non-modal.
-  Patch by Guilherme Polo and Roger Serwy.
-
-- Issue #13933: IDLE auto-complete did not work with some imported
-  module, like hashlib.  (Patch by Roger Serwy)
-
-- Issue #13506: Add '' to path for IDLE Shell when started and restarted with Restart Shell.
-  Original patches by Marco Scataglini and Roger Serwy.
-
-- Issue #4625: If IDLE cannot write to its recent file or breakpoint files,
-  display a message popup and continue rather than crash.  Original patch by
-  Roger Serwy.
-
-- Issue #8641: Update IDLE 3 syntax coloring to recognize b".." and not u"..".
-  Patch by Tal Einat.
-
-- Issue #13296: Fix IDLE to clear compile __future__ flags on shell restart.
-  (Patch by Roger Serwy)
-
-- Issue #9871: Prevent IDLE 3 crash when given byte stings
-  with invalid hex escape sequences, like b'\x0'.
-  (Original patch by Claudiu Popa.)
-
-- Issue #12636: IDLE reads the coding cookie when executing a Python script.
-
-- Issue #12540: Prevent zombie IDLE processes on Windows due to changes
-  in os.kill().
-
-- Issue #12590: IDLE editor window now always displays the first line
-  when opening a long file.  With Tk 8.5, the first line was hidden.
-
-- Issue #11088: don't crash when using F5 to run a script in IDLE on MacOSX
-  with Tk 8.5.
-
-- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError.
-  With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused
-  IDLE to exit.  Converted to valid Unicode null in PythonCmd().
-
-- Issue #11718: IDLE's open module dialog couldn't find the __init__.py
-  file in a package.
-
-Tools/Demos
------------
-
-- Issue #14053: patchcheck.py ("make patchcheck") now works with MQ patches.
-  Patch by Francisco Martín Brugué.
-
-- Issue #13930: 2to3 is now able to write its converted output files to another
-  directory tree as well as copying unchanged files and altering the file
-  suffix.  See its new -o, -W and --add-suffix options.  This makes it more
-  useful in many automated code translation workflows.
-
-- Issue #13628: python-gdb.py is now able to retrieve more frames in the Python
-  traceback if Python is optimized.
-
-- Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and
-  add a smarter "py-bt" command printing a classic Python traceback.
-
-- Issue #11179: Make ccbench work under Python 3.1 and 2.7 again.
-
-- Issue #10639: reindent.py no longer converts newlines and will raise
-  an error if attempting to convert a file with mixed newlines.
-  "--newline" option added to specify new line character.
-
-Extension Modules
------------------
-
-- Issue #16847: Fixed improper use of _PyUnicode_CheckConsistency() in
-  non-pydebug builds. Several extension modules now compile cleanly when
-  assert()s are enabled in standard builds (-DDEBUG flag).
-
-- Issue #13840: The error message produced by ctypes.create_string_buffer
-  when given a Unicode string has been fixed.
-
-- Issue #9975: socket: Fix incorrect use of flowinfo and scope_id. Patch by
-  Vilmos Nebehaj.
-
-- Issue #7777: socket: Add Reliable Datagram Sockets (PF_RDS) support.
-
-- Issue #13159: FileIO and BZ2Compressor/BZ2Decompressor now use a linear-time
-  buffer growth strategy instead of a quadratic-time one.
-
-- Issue #10141: socket: Add SocketCAN (PF_CAN) support. Initial patch by
-  Matthias Fuchs, updated by Tiago Gonçalves.
-
-- Issue #13070: Fix a crash when a TextIOWrapper caught in a reference cycle
-  would be finalized after the reference to its underlying BufferedRWPair's
-  writer got cleared by the GC.
-
-- Issue #12881: ctypes: Fix segfault with large structure field names.
-
-- Issue #13058: ossaudiodev: fix a file descriptor leak on error. Patch by
-  Thomas Jarosch.
-
-- Issue #13013: ctypes: Fix a reference leak in PyCArrayType_from_ctype.
-  Thanks to Suman Saha for finding the bug and providing a patch.
-
-- Issue #13022: Fix: _multiprocessing.recvfd() doesn't check that
-  file descriptor was actually received.
-
-- Issue #1172711: Add 'long long' support to the array module.
-  Initial patch by Oren Tirosh and Hirokazu Yamamoto.
-
-- Issue #12483: ctypes: Fix a crash when the destruction of a callback
-  object triggers the garbage collector.
-
-- Issue #12950: Fix passing file descriptors in multiprocessing, under
-  OpenIndiana/Illumos.
-
-- Issue #12764: Fix a crash in ctypes when the name of a Structure field is not
-  a string.
-
-- Issue #11241: subclasses of ctypes.Array can now be subclassed.
-
-- Issue #9651: Fix a crash when ctypes.create_string_buffer(0) was passed to
-  some functions like file.write().
-
-- Issue #10309: Define _GNU_SOURCE so that mremap() gets the proper
-  signature.  Without this, architectures where sizeof void* != sizeof int are
-  broken.  Patch given by Hallvard B Furuseth.
-
-- Issue #12051: Fix segfault in json.dumps() while encoding highly-nested
-  objects using the C accelerations.
-
-- Issue #12017: Fix segfault in json.loads() while decoding highly-nested
-  objects using the C accelerations.
-
-- Issue #1838: Prevent segfault in ctypes, when _as_parameter_ on a class is set
-  to an instance of the class.
-
-Tests
------
-
-- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode.
-  Patch by Mikhail Novikov.
-
-- Issue #13447: Add a test file to host regression tests for bugs in the
-  scripts found in the Tools directory.
-
-- Issue #10881: Fix test_site failure with OS X framework builds.
-
-- Issue #13901: Prevent test_distutils failures on OS X with --enable-shared.
-
-- Issue #13862: Fix spurious failure in test_zlib due to runtime/compile time
-  minor versions not matching.
-
-- Issue #12804: Fix test_socket and test_urllib2net failures when running tests
-  on a system without internet access.
-
-- Issue #13726: Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow
-  tests.
-
-- Issue #11659: Fix ResourceWarning in test_subprocess introduced by #11459.
-  Patch by Ben Hayden.
-
-- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage
-
-- Issue #11509: Significantly increase test coverage of fileinput.
-  Patch by Denver Coneybeare at PyCon 2011 Sprints.
-
-- Issue #11689: Fix a variable scoping error in an sqlite3 test
-
-- Issue #13786: Remove unimplemented 'trace' long option from regrtest.py.
-
-- Issue #13725: Fix regrtest to recognize the documented -d flag.
-  Patch by Erno Tukia.
-
-- Issue #13304: Skip test case if user site-packages disabled (-s or
-  PYTHONNOUSERSITE).  (Patch by Carl Meyer)
-
-- Issue #5661: Add a test for ECONNRESET/EPIPE handling to test_asyncore. Patch
-  by Xavier de Gaye.
-
-- Issue #13218: Fix test_ssl failures on Debian/Ubuntu.
-
-- Re-enable lib2to3's test_parser.py tests, though with an expected failure
-  (see issue 13125).
-
-- Issue #12656: Add tests for IPv6 and Unix sockets to test_asyncore.
-
-- Issue #6484: Add unit tests for mailcap module (patch by Gregory Nofi)
-
-- Issue #11651: Improve the Makefile test targets to run more of the test suite
-  more quickly. The --multiprocess option is now enabled by default, reducing
-  the amount of time needed to run the tests. "make test" and "make quicktest"
-  now include some resource-intensive tests, but no longer run the test suite
-  twice to check for bugs in .pyc generation. Tools/scripts/run_test.py provides
-  an easy platform-independent way to run test suite with sensible defaults.
-
-- Issue #12331: The test suite for the packaging module can now run from an
-  installed Python.
-
-- Issue #12331: The test suite for lib2to3 can now run from an installed
-  Python.
-
-- Issue #12626: In regrtest, allow to filter tests using a glob filter
-  with the ``-m`` (or ``--match``) option.  This works with all test cases
-  using the unittest module.  This is useful with long test suites
-  such as test_io or test_subprocess.
-
-- Issue #12624: It is now possible to fail after the first failure when
-  running in verbose mode (``-v`` or ``-W``), by using the ``--failfast``
-  (or ``-G``) option to regrtest.  This is useful with long test suites
-  such as test_io or test_subprocess.
-
-- Issue #12587: Correct faulty test file and reference in test_tokenize.
-  (Patch by Robert Xiao)
-
-- Issue #12573: Add resource checks for dangling Thread and Process objects.
-
-- Issue #12549: Correct test_platform to not fail when OS X returns 'x86_64'
-  as the processor type on some Mac systems.
-
-- Skip network tests when getaddrinfo() returns EAI_AGAIN, meaning a temporary
-  failure in name resolution.
-
-- Issue #11812: Solve transient socket failure to connect to 'localhost'
-  in test_telnetlib.py.
-
-- Solved a potential deadlock in test_telnetlib.py. Related to issue #11812.
-
-- Avoid failing in test_robotparser when mueblesmoraleda.com is flaky and
-  an overzealous DNS service (e.g. OpenDNS) redirects to a placeholder
-  Web site.
-
-- Avoid failing in test_urllibnet.test_bad_address when some overzealous
-  DNS service (e.g. OpenDNS) resolves a non-existent domain name.  The test
-  is now skipped instead.
-
-- Issue #12440: When testing whether some bits in SSLContext.options can be
-  reset, check the version of the OpenSSL headers Python was compiled against,
-  rather than the runtime version of the OpenSSL library.
-
-- Issue #11512: Add a test suite for the cgitb module. Patch by Robbie Clemons.
-
-- Issue #12497: Install test/data to prevent failures of the various codecmaps
-  tests.
-
-- Issue #12496: Install test/capath directory to prevent test_connect_capath
-  testcase failure in test_ssl.
-
-- Issue #12469: Run wakeup and pending signal tests in a subprocess to run the
-  test in a fresh process with only one thread and to not change signal
-  handling of the parent process.
-
-- Issue #8716: Avoid crashes caused by Aqua Tk on OSX when attempting to run
-  test_tk or test_ttk_guionly under a username that is not currently logged
-  in to the console windowserver (as may be the case under buildbot or ssh).
-
-- Issue #12407: Explicitly skip test_capi.EmbeddingTest under Windows.
-
-- Issue #12400: regrtest -W doesn't rerun the tests twice anymore, but captures
-  the output and displays it on failure instead. regrtest -v doesn't print the
-  error twice anymore if there is only one error.
-
-- Issue #12141: Install copies of template C module file so that
-  test_build_ext of test_distutils and test_command_build_ext of
-  test_packaging are no longer silently skipped when
-  run outside of a build directory.
-
-- Issue #8746: Add additional tests for os.chflags() and os.lchflags().
-  Patch by Garrett Cooper.
-
-- Issue #10736: Fix test_ttk test_widgets failures with Cocoa Tk 8.5.9
-  2.8 +  on Mac OS X.  (Patch by Ronald Oussoren)
-
-- Issue #12057: Add tests for ISO 2022 codecs (iso2022_jp, iso2022_jp_2,
-  iso2022_kr).
-
-- Issue #12096: Fix a race condition in test_threading.test_waitfor(). Patch
-  written by Charles-François Natali.
-
-- Issue #11614: import __hello__ prints "Hello World!". Patch written by
-  Andreas Stührk.
-
-- Issue #5723: Improve json tests to be executed with and without accelerations.
-
-- Issue #12041: Make test_wait3 more robust.
-
-- Issue #11873: Change regex in test_compileall to fix occasional failures when
-  when the randomly generated temporary path happened to match the regex.
-
-- Issue #11958: Fix FTP tests for IPv6, bind to "::1" instead of "localhost".
-  Patch written by Charles-Francois Natali.
-
-- Issue #8407, #11859: Fix tests of test_io using threads and an alarm: use
-  pthread_sigmask() to ensure that the SIGALRM signal is received by the main
-  thread.
-
-- Issue #11811: Factor out detection of IPv6 support on the current host
-  and make it available as ``test.support.IPV6_ENABLED``.  Patch by
-  Charles-François Natali.
-
-- Issue #10914: Add a minimal embedding test to test_capi.
-
-- Issue #11223: Skip test_lock_acquire_interruption() and
-  test_rlock_acquire_interruption() of test_threadsignals if a thread lock is
-  implemented using a POSIX mutex and a POSIX condition variable. A POSIX
-  condition variable cannot be interrupted by a signal (e.g. on Linux, the
-  futex system call is restarted).
-
-- Issue #11790: Fix sporadic failures in test_multiprocessing.WithProcessesTestCondition.
-
-- Fix possible "file already exists" error when running the tests in parallel.
-
-- Issue #11719: Fix message about unexpected test_msilib skip on non-Windows
-  platforms. Patch by Nadeem Vawda.
-
-- Issue #11727: Add a --timeout option to regrtest: if a test takes more than
-  TIMEOUT seconds, dumps the traceback of all threads and exits.
-
-- Issue #11653: fix -W with -j in regrtest.
-
-- The email test suite now lives in the Lib/test/test_email package.  The test
-  harness code has also been modernized to allow use of new unittest features.
-
-- regrtest now discovers test packages as well as test modules.
-
-- Issue #11577: improve test coverage of binhex.py. Patch by Arkady Koplyarov.
-
-- New test_crashers added to exercise the scripts in the Lib/test/crashers
-  directory and confirm they fail as expected
-
-- Issue #11578: added test for the timeit module.  Patch by Michael Henry.
-
-- Issue #11503: improve test coverage of posixpath.py. Patch by Evan Dandrea.
-
-- Issue #11505: improves test coverage of string.py, increases granularity of
-  string.Formatter tests. Initial patch by Alicia Arlen.
-
-- Issue #11548: Improve test coverage of the shutil module. Patch by
-  Evan Dandrea.
-
-- Issue #11554: Reactivated test_email_codecs.
-
-- Issue #11505: improves test coverage of string.py. Patch by Alicia
-  Arlen
-
-- Issue #11490: test_subprocess.test_leaking_fds_on_error no longer gives a
-  false positive if the last directory in the path is inaccessible.
-
-- Issue #11223: Fix test_threadsignals to fail, not hang, when the
-  non-semaphore implementation of locks is used under POSIX.
-
-- Issue #10911: Add tests on CGI with non-ASCII characters. Patch written by
-  Pierre Quentel.
-
-- Issue #9931: Fix hangs in GUI tests under Windows in certain conditions.
-  Patch by Hirokazu Yamamoto.
-
-- Issue #10512: Properly close sockets under test.test_cgi.
-
-- Issue #10992: Make tests pass under coverage.
-
-- Issue #10826: Prevent sporadic failure in test_subprocess on Solaris due
-  to open door files.
-
-- Issue #10990: Prevent tests from clobbering a set trace function.
-
-C-API
------
-
-- Issue #13452: PyUnicode_EncodeDecimal() doesn't support error handlers
-  different than "strict" anymore. The caller was unable to compute the
-  size of the output buffer: it depends on the error handler.
-
-- Issue #13560: Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize()
-  and PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to
-  the current locale encoding.
-
-- Issue #10831: PyUnicode_FromFormat() supports %li, %lli and %zi formats.
-
-- Issue #11246: Fix PyUnicode_FromFormat("%V") to decode the byte string from
-  UTF-8 (with replace error handler) instead of ISO-8859-1 (in strict mode).
-  Patch written by Ray Allen.
-
-- Issue #10830: Fix PyUnicode_FromFormatV("%c") for non-BMP characters on
-  narrow build.
-
-- Add PyObject_GenericGetDict and PyObject_GeneriSetDict. They are generic
-  implementations for the getter and setter of a ``__dict__`` descriptor of C
-  types.
-
-- Issue #13727: Add 3 macros to access PyDateTime_Delta members:
-  PyDateTime_DELTA_GET_DAYS, PyDateTime_DELTA_GET_SECONDS,
-  PyDateTime_DELTA_GET_MICROSECONDS.
-
-- Issue #10542: Add 4 macros to work with surrogates: Py_UNICODE_IS_SURROGATE,
-  Py_UNICODE_IS_HIGH_SURROGATE, Py_UNICODE_IS_LOW_SURROGATE,
-  Py_UNICODE_JOIN_SURROGATES.
-
-- Issue #12724: Add Py_RETURN_NOTIMPLEMENTED macro for returning NotImplemented.
-
-- PY_PATCHLEVEL_REVISION has been removed, since it's meaningless with
-  Mercurial.
-
-- Issue #12173: The first argument of PyImport_ImportModuleLevel is now `const
-  char *` instead of `char *`.
-
-- Issue #12380: PyArg_ParseTuple now accepts a bytearray for the 'c' format.
-
-Documentation
--------------
-
-- Issue #23006: Improve the documentation and indexing of dict.__missing__.
-  Add an entry in the language datamodel special methods section.
-  Revise and index its discussion in the stdtypes mapping/dict section.
-
-- Issue #13989: Document that GzipFile does not support text mode, and give a
-  more helpful error message when opened with an invalid mode string.
-
-- Issue #13921: Undocument and clean up sqlite3.OptimizedUnicode,
-  which is obsolete in Python 3.x. It's now aliased to str for
-  backwards compatibility.
-
-- Issue #12102: Document that buffered files must be flushed before being used
-  with mmap. Patch by Steffen Daode Nurpmeso.
-
-- Issue #8982: Improve the documentation for the argparse Namespace object.
-
-- Issue #9343: Document that argparse parent parsers must be configured before
-  their children.
-
-- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument.  Done with
-  great native-speaker help from R. David Murray.
-
-- Issues #13491 and #13995: Fix many errors in sqlite3 documentation.
-  Initial patch for #13491 by Johannes Vogel.
-
-- Issue #13402: Document absoluteness of sys.executable.
-
-- Issue #13883: PYTHONCASEOK also works on OS X.
-
-- Issue #9021: Add an introduction to the copy module documentation.
-
-- Issue #6005: Examples in the socket library documentation use sendall, where
-  relevant, instead send method.
-
-- Issue #12798: Updated the mimetypes documentation.
-
-- Issue #12949: Document the kwonlyargcount argument for the PyCode_New
-  C API function.
-
-- Issue #13513: Fix io.IOBase documentation to correctly link to the
-  io.IOBase.readline method instead of the readline module.
-
-- Issue #13237: Reorganise subprocess documentation to emphasise convenience
-  functions and the most commonly needed arguments to Popen.
-
-- Issue #13141: Demonstrate recommended style for socketserver examples.
-
-- Issue #11818: Fix tempfile examples for Python 3.
-
-
 **(For information about older versions, consult the HISTORY file.)**
diff --git a/Misc/Porting b/Misc/Porting
index 51f73e6..c283cb2 100644
--- a/Misc/Porting
+++ b/Misc/Porting
@@ -27,7 +27,7 @@ And you'll need a config.c file, which lists the built-in modules you
 support.  Start with Modules/config.c.in.
 
 Finally, you'll run into some things that aren't supported on your
-target platform.  Forget about the posix module for now -- simply take 
+target platform.  Forget about the posix module for now -- simply take
 it out of the config.c file.
 
 Bang on it until you get a >>> prompt.  (You may have to disable the
diff --git a/Misc/coverity_model.c b/Misc/coverity_model.c
index 57f3aeb..493e7c1 100644
--- a/Misc/coverity_model.c
+++ b/Misc/coverity_model.c
@@ -85,7 +85,7 @@ PyObject *PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
 }
 
 /* Python/fileutils.c */
-wchar_t *_Py_char2wchar(const char* arg, size_t *size)
+wchar_t *Py_DecodeLocale(const char* arg, size_t *size)
 {
    wchar_t *w;
     __coverity_tainted_data_sink__(arg);
@@ -122,7 +122,8 @@ static long r_long(RFILE *p)
 
 /* Coverity doesn't understand that fdopendir() may take ownership of fd. */
 
-DIR *fdopendir(int fd) {
+DIR *fdopendir(int fd)
+{
     DIR *d;
     if (d) {
         __coverity_close__(fd);
@@ -130,3 +131,58 @@ DIR *fdopendir(int fd) {
     return d;
 }
 
+/* Modules/_datetime.c
+ *
+ * Coverity thinks that the input values for these function come from a
+ * tainted source PyDateTime_DATE_GET_* macros use bit shifting.
+ */
+static PyObject *
+build_struct_time(int y, int m, int d, int hh, int mm, int ss, int dstflag)
+{
+    PyObject *result;
+    
+    __coverity_tainted_data_sanitize__(y);
+    __coverity_tainted_data_sanitize__(m);
+    __coverity_tainted_data_sanitize__(d);
+    __coverity_tainted_data_sanitize__(hh);
+    __coverity_tainted_data_sanitize__(mm);
+    __coverity_tainted_data_sanitize__(ss);
+    __coverity_tainted_data_sanitize__(dstflag);
+
+    return result;
+}
+
+static int
+ymd_to_ord(int year, int month, int day)
+{
+    int ord = 0;
+
+    __coverity_tainted_data_sanitize__(year);
+    __coverity_tainted_data_sanitize__(month);
+    __coverity_tainted_data_sanitize__(day);
+
+    return ord;
+}
+
+static int
+normalize_date(int *year, int *month, int *day)
+{
+    __coverity_tainted_data_sanitize__(*year);
+    __coverity_tainted_data_sanitize__(*month);
+    __coverity_tainted_data_sanitize__(*day);
+
+    return 0;
+}
+
+static int
+weekday(int year, int month, int day)
+{
+    int w = 0;
+
+    __coverity_tainted_data_sanitize__(year);
+    __coverity_tainted_data_sanitize__(month);
+    __coverity_tainted_data_sanitize__(day);
+
+    return w;
+}
+
diff --git a/Misc/gdbinit b/Misc/gdbinit
index 9484b51..3b6fe50 100644
--- a/Misc/gdbinit
+++ b/Misc/gdbinit
@@ -150,10 +150,10 @@ end
 
 # generally useful macro to print a Unicode string
 def pu
-  set $uni = $arg0 
+  set $uni = $arg0
   set $i = 0
   while (*$uni && $i++<100)
-    if (*$uni < 0x80) 
+    if (*$uni < 0x80)
       print *(char*)$uni++
     else
       print /x *(short*)$uni++
diff --git a/Misc/python.man b/Misc/python.man
index 048a68a..fecd802 100644
--- a/Misc/python.man
+++ b/Misc/python.man
@@ -104,10 +104,10 @@ Python is also adaptable as an extension language for existing
 applications.
 See the internal documentation for hints.
 .PP
-Documentation for installed Python modules and packages can be 
-viewed by running the 
+Documentation for installed Python modules and packages can be
+viewed by running the
 .B pydoc
-program.  
+program.
 .SH COMMAND LINE OPTIONS
 .TP
 .B \-B
@@ -150,23 +150,20 @@ Further restrictions may be imposed to prevent the user from injecting
 malicious code.
 .TP
 .BI "\-m " module-name
-Searches 
-.I sys.path 
-for the named module and runs the corresponding 
-.I .py 
+Searches
+.I sys.path
+for the named module and runs the corresponding
+.I .py
 file as a script.
 .TP
 .B \-O
-Turn on basic optimizations.  This changes the filename extension for
-compiled (bytecode) files from
-.I .pyc
-to \fI.pyo\fP.  Given twice, causes docstrings to be discarded.
+Turn on basic optimizations.  Given twice, causes docstrings to be discarded.
 .TP
 .B \-OO
 Discard docstrings in addition to the \fB-O\fP optimizations.
 .TP
 .B \-q
-Do not print the version and copyright messages. These messages are 
+Do not print the version and copyright messages. These messages are
 also suppressed in non-interactive mode.
 .TP
 .B \-s
@@ -193,7 +190,7 @@ The text I/O layer will still be line-buffered.
 .B \-v
 Print a message each time a module is initialized, showing the place
 (filename or built-in module) from which it is loaded.  When given
-twice, print a message for each file that is checked for when 
+twice, print a message for each file that is checked for when
 searching for a module.  Also provides information on module cleanup
 at exit.
 .TP
@@ -418,7 +415,7 @@ the \fB\-u\fP option.
 .IP PYTHONVERBOSE
 If this is set to a non-empty string it is equivalent to specifying
 the \fB\-v\fP option. If set to an integer, it is equivalent to
-specifying \fB\-v\fP multiple times. 
+specifying \fB\-v\fP multiple times.
 .IP PYTHONWARNINGS
 If this is set to a comma-separated string it is equivalent to
 specifying the \fB\-W\fP option for each separate value.
diff --git a/Modules/README b/Modules/README
new file mode 100644
index 0000000..9b79f53
--- /dev/null
+++ b/Modules/README
@@ -0,0 +1,2 @@
+Source files for standard library extension modules,
+and former extension modules that are now builtin modules.
diff --git a/Modules/Setup.config.in b/Modules/Setup.config.in
index 5ac2404..adac030 100644
--- a/Modules/Setup.config.in
+++ b/Modules/Setup.config.in
@@ -7,7 +7,7 @@
 @USE_THREAD_MODULE@_thread _threadmodule.c
 
 # The signal module
-@USE_SIGNAL_MODULE@signal signalmodule.c
+@USE_SIGNAL_MODULE@_signal signalmodule.c
 
 # The rest of the modules previously listed in this file are built
 # by the setup.py script in Python 2.1 and later.
diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index b60b594..06ba6ad 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -118,6 +118,7 @@ _collections _collectionsmodule.c # Container types
 itertools itertoolsmodule.c    # Functions creating iterators for efficient looping
 atexit atexitmodule.c      # Register functions to be run at interpreter-shutdown
 _stat _stat.c			# stat.h interface
+time timemodule.c	# -lm # time operations and variables
 
 # access to ISO C locale support
 _locale _localemodule.c  # -lintl
@@ -171,7 +172,6 @@ _symtable symtablemodule.c
 #cmath cmathmodule.c _math.c # -lm # complex math library functions
 #math mathmodule.c _math.c # -lm # math library functions, e.g. sin()
 #_struct _struct.c	# binary structure packing/unpacking
-#time timemodule.c # -lm # time operations and variables
 #_weakref _weakref.c	# basic weak reference support
 #_testcapi _testcapimodule.c    # Python C API test module
 #_random _randommodule.c	# Random number generator
diff --git a/Modules/_bz2module.c b/Modules/_bz2module.c
index e652f4d..7dfd307 100644
--- a/Modules/_bz2module.c
+++ b/Modules/_bz2module.c
@@ -51,6 +51,14 @@ typedef struct {
     bz_stream bzs;
     char eof;           /* T_BOOL expects a char */
     PyObject *unused_data;
+    char needs_input;
+    char *input_buffer;
+    size_t input_buffer_size;
+
+    /* bzs->avail_in is only 32 bit, so we store the true length
+       separately. Conversion and looping is encapsulated in
+       decompress_buf() */
+    size_t bzs_avail_in_real;
 #ifdef WITH_THREAD
     PyThread_type_lock lock;
 #endif
@@ -111,19 +119,23 @@ catch_bz2_error(int bzerror)
 }
 
 #if BUFSIZ < 8192
-#define SMALLCHUNK 8192
+#define INITIAL_BUFFER_SIZE 8192
 #else
-#define SMALLCHUNK BUFSIZ
+#define INITIAL_BUFFER_SIZE BUFSIZ
 #endif
 
 static int
-grow_buffer(PyObject **buf)
+grow_buffer(PyObject **buf, Py_ssize_t max_length)
 {
     /* Expand the buffer by an amount proportional to the current size,
        giving us amortized linear-time behavior. Use a less-than-double
        growth factor to avoid excessive allocation. */
     size_t size = PyBytes_GET_SIZE(*buf);
     size_t new_size = size + (size >> 3) + 6;
+
+    if (max_length > 0 && new_size > (size_t) max_length)
+        new_size = (size_t) max_length;
+
     if (new_size > size) {
         return _PyBytes_Resize(buf, new_size);
     } else {  /* overflow */
@@ -142,14 +154,14 @@ compress(BZ2Compressor *c, char *data, size_t len, int action)
     size_t data_size = 0;
     PyObject *result;
 
-    result = PyBytes_FromStringAndSize(NULL, SMALLCHUNK);
+    result = PyBytes_FromStringAndSize(NULL, INITIAL_BUFFER_SIZE);
     if (result == NULL)
         return NULL;
 
     c->bzs.next_in = data;
     c->bzs.avail_in = 0;
     c->bzs.next_out = PyBytes_AS_STRING(result);
-    c->bzs.avail_out = SMALLCHUNK;
+    c->bzs.avail_out = INITIAL_BUFFER_SIZE;
     for (;;) {
         char *this_out;
         int bzerror;
@@ -168,7 +180,7 @@ compress(BZ2Compressor *c, char *data, size_t len, int action)
         if (c->bzs.avail_out == 0) {
             size_t buffer_left = PyBytes_GET_SIZE(result) - data_size;
             if (buffer_left == 0) {
-                if (grow_buffer(&result) < 0)
+                if (grow_buffer(&result, -1) < 0)
                     goto error;
                 c->bzs.next_out = PyBytes_AS_STRING(result) + data_size;
                 buffer_left = PyBytes_GET_SIZE(result) - data_size;
@@ -188,7 +200,7 @@ compress(BZ2Compressor *c, char *data, size_t len, int action)
         if (action == BZ_FINISH && bzerror == BZ_STREAM_END)
             break;
     }
-    if (data_size != PyBytes_GET_SIZE(result))
+    if (data_size != (size_t)PyBytes_GET_SIZE(result))
         if (_PyBytes_Resize(&result, data_size) < 0)
             goto error;
     return result;
@@ -199,12 +211,11 @@ error:
 }
 
 /*[clinic input]
-output preset file
 module _bz2
 class _bz2.BZ2Compressor "BZ2Compressor *" "&BZ2Compressor_Type"
 class _bz2.BZ2Decompressor "BZ2Decompressor *" "&BZ2Decompressor_Type"
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=e3b139924f5e18cc]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=dc7d7992a79f9cb7]*/
 
 #include "clinic/_bz2module.c.h"
 
@@ -402,64 +413,176 @@ static PyTypeObject BZ2Compressor_Type = {
 
 /* BZ2Decompressor class. */
 
-static PyObject *
-decompress(BZ2Decompressor *d, char *data, size_t len)
+/* Decompress data of length d->bzs_avail_in_real in d->bzs.next_in.  The output
+   buffer is allocated dynamically and returned.  At most max_length bytes are
+   returned, so some of the input may not be consumed. d->bzs.next_in and
+   d->bzs_avail_in_real are updated to reflect the consumed input. */
+static PyObject*
+decompress_buf(BZ2Decompressor *d, Py_ssize_t max_length)
 {
-    size_t data_size = 0;
+    /* data_size is strictly positive, but because we repeatedly have to
+       compare against max_length and PyBytes_GET_SIZE we declare it as
+       signed */
+    Py_ssize_t data_size = 0;
     PyObject *result;
+    bz_stream *bzs = &d->bzs;
 
-    result = PyBytes_FromStringAndSize(NULL, SMALLCHUNK);
+    if (max_length < 0 || max_length >= INITIAL_BUFFER_SIZE)
+        result = PyBytes_FromStringAndSize(NULL, INITIAL_BUFFER_SIZE);
+    else
+        result = PyBytes_FromStringAndSize(NULL, max_length);
     if (result == NULL)
-        return result;
-    d->bzs.next_in = data;
-    /* On a 64-bit system, len might not fit in avail_in (an unsigned int).
-       Do decompression in chunks of no more than UINT_MAX bytes each. */
-    d->bzs.avail_in = (unsigned int)Py_MIN(len, UINT_MAX);
-    len -= d->bzs.avail_in;
-    d->bzs.next_out = PyBytes_AS_STRING(result);
-    d->bzs.avail_out = SMALLCHUNK;
+        return NULL;
+
+    bzs->next_out = PyBytes_AS_STRING(result);
     for (;;) {
-        char *this_out;
-        int bzerror;
+        int bzret;
+        size_t avail;
+
+        /* On a 64-bit system, buffer length might not fit in avail_out, so we
+           do decompression in chunks of no more than UINT_MAX bytes
+           each. Note that the expression for `avail` is guaranteed to be
+           positive, so the cast is safe. */
+        avail = (size_t) (PyBytes_GET_SIZE(result) - data_size);
+        bzs->avail_out = (unsigned int)Py_MIN(avail, UINT_MAX);
+        bzs->avail_in = (unsigned int)Py_MIN(d->bzs_avail_in_real, UINT_MAX);
+        d->bzs_avail_in_real -= bzs->avail_in;
 
         Py_BEGIN_ALLOW_THREADS
-        this_out = d->bzs.next_out;
-        bzerror = BZ2_bzDecompress(&d->bzs);
-        data_size += d->bzs.next_out - this_out;
+        bzret = BZ2_bzDecompress(bzs);
+        data_size = bzs->next_out - PyBytes_AS_STRING(result);
+        d->bzs_avail_in_real += bzs->avail_in;
         Py_END_ALLOW_THREADS
-        if (catch_bz2_error(bzerror))
+        if (catch_bz2_error(bzret))
             goto error;
-        if (bzerror == BZ_STREAM_END) {
+        if (bzret == BZ_STREAM_END) {
             d->eof = 1;
-            len += d->bzs.avail_in;
-            if (len > 0) { /* Save leftover input to unused_data */
-                Py_CLEAR(d->unused_data);
-                d->unused_data = PyBytes_FromStringAndSize(d->bzs.next_in, len);
-                if (d->unused_data == NULL)
-                    goto error;
-            }
             break;
-        }
-        if (d->bzs.avail_in == 0) {
-            if (len == 0)
+        } else if (d->bzs_avail_in_real == 0) {
+            break;
+        } else if (bzs->avail_out == 0) {
+            if (data_size == max_length)
                 break;
-            d->bzs.avail_in = (unsigned int)Py_MIN(len, UINT_MAX);
-            len -= d->bzs.avail_in;
+            if (data_size == PyBytes_GET_SIZE(result) &&
+                grow_buffer(&result, max_length) == -1)
+                goto error;
+            bzs->next_out = PyBytes_AS_STRING(result) + data_size;
         }
-        if (d->bzs.avail_out == 0) {
-            size_t buffer_left = PyBytes_GET_SIZE(result) - data_size;
-            if (buffer_left == 0) {
-                if (grow_buffer(&result) < 0)
+    }
+    if (data_size != PyBytes_GET_SIZE(result))
+        if (_PyBytes_Resize(&result, data_size) == -1)
+            goto error;
+
+    return result;
+
+error:
+    Py_XDECREF(result);
+    return NULL;
+}
+
+
+static PyObject *
+decompress(BZ2Decompressor *d, char *data, size_t len, Py_ssize_t max_length)
+{
+    char input_buffer_in_use;
+    PyObject *result;
+    bz_stream *bzs = &d->bzs;
+
+    /* Prepend unconsumed input if necessary */
+    if (bzs->next_in != NULL) {
+        size_t avail_now, avail_total;
+
+        /* Number of bytes we can append to input buffer */
+        avail_now = (d->input_buffer + d->input_buffer_size)
+            - (bzs->next_in + d->bzs_avail_in_real);
+
+        /* Number of bytes we can append if we move existing
+           contents to beginning of buffer (overwriting
+           consumed input) */
+        avail_total = d->input_buffer_size - d->bzs_avail_in_real;
+
+        if (avail_total < len) {
+            size_t offset = bzs->next_in - d->input_buffer;
+            char *tmp;
+            size_t new_size = d->input_buffer_size + len - avail_now;
+
+            /* Assign to temporary variable first, so we don't
+               lose address of allocated buffer if realloc fails */
+            tmp = PyMem_Realloc(d->input_buffer, new_size);
+            if (tmp == NULL) {
+                PyErr_SetNone(PyExc_MemoryError);
+                return NULL;
+            }
+            d->input_buffer = tmp;
+            d->input_buffer_size = new_size;
+
+            bzs->next_in = d->input_buffer + offset;
+        }
+        else if (avail_now < len) {
+            memmove(d->input_buffer, bzs->next_in,
+                    d->bzs_avail_in_real);
+            bzs->next_in = d->input_buffer;
+        }
+        memcpy((void*)(bzs->next_in + d->bzs_avail_in_real), data, len);
+        d->bzs_avail_in_real += len;
+        input_buffer_in_use = 1;
+    }
+    else {
+        bzs->next_in = data;
+        d->bzs_avail_in_real = len;
+        input_buffer_in_use = 0;
+    }
+
+    result = decompress_buf(d, max_length);
+    if(result == NULL)
+        return NULL;
+
+    if (d->eof) {
+        d->needs_input = 0;
+        if (d->bzs_avail_in_real > 0) {
+            Py_CLEAR(d->unused_data);
+            d->unused_data = PyBytes_FromStringAndSize(
+                bzs->next_in, d->bzs_avail_in_real);
+            if (d->unused_data == NULL)
+                goto error;
+        }
+    }
+    else if (d->bzs_avail_in_real == 0) {
+        bzs->next_in = NULL;
+        d->needs_input = 1;
+    }
+    else {
+        d->needs_input = 0;
+
+        /* If we did not use the input buffer, we now have
+           to copy the tail from the caller's buffer into the
+           input buffer */
+        if (!input_buffer_in_use) {
+
+            /* Discard buffer if it's too small
+               (resizing it may needlessly copy the current contents) */
+            if (d->input_buffer != NULL &&
+                d->input_buffer_size < d->bzs_avail_in_real) {
+                PyMem_Free(d->input_buffer);
+                d->input_buffer = NULL;
+            }
+
+            /* Allocate if necessary */
+            if (d->input_buffer == NULL) {
+                d->input_buffer = PyMem_Malloc(d->bzs_avail_in_real);
+                if (d->input_buffer == NULL) {
+                    PyErr_SetNone(PyExc_MemoryError);
                     goto error;
-                d->bzs.next_out = PyBytes_AS_STRING(result) + data_size;
-                buffer_left = PyBytes_GET_SIZE(result) - data_size;
+                }
+                d->input_buffer_size = d->bzs_avail_in_real;
             }
-            d->bzs.avail_out = (unsigned int)Py_MIN(buffer_left, UINT_MAX);
+
+            /* Copy tail */
+            memcpy(d->input_buffer, bzs->next_in, d->bzs_avail_in_real);
+            bzs->next_in = d->input_buffer;
         }
     }
-    if (data_size != PyBytes_GET_SIZE(result))
-        if (_PyBytes_Resize(&result, data_size) < 0)
-            goto error;
+
     return result;
 
 error:
@@ -470,21 +593,30 @@ error:
 /*[clinic input]
 _bz2.BZ2Decompressor.decompress
 
+    self: self(type="BZ2Decompressor *")
     data: Py_buffer
-    /
+    max_length: Py_ssize_t=-1
+
+Decompress *data*, returning uncompressed data as bytes.
 
-Provide data to the decompressor object.
+If *max_length* is nonnegative, returns at most *max_length* bytes of
+decompressed data. If this limit is reached and further output can be
+produced, *self.needs_input* will be set to ``False``. In this case, the next
+call to *decompress()* may provide *data* as b'' to obtain more of the output.
 
-Returns a chunk of decompressed data if possible, or b'' otherwise.
+If all of the input data was decompressed and returned (either because this
+was less than *max_length* bytes, or because *max_length* was negative),
+*self.needs_input* will be set to True.
 
-Attempting to decompress data after the end of stream is reached
-raises an EOFError.  Any data found after the end of the stream
-is ignored and saved in the unused_data attribute.
+Attempting to decompress data after the end of stream is reached raises an
+EOFError.  Any data found after the end of the stream is ignored and saved in
+the unused_data attribute.
 [clinic start generated code]*/
 
 static PyObject *
-_bz2_BZ2Decompressor_decompress_impl(BZ2Decompressor *self, Py_buffer *data)
-/*[clinic end generated code: output=086e4b99e60cb3f6 input=616c2a6db5269961]*/
+_bz2_BZ2Decompressor_decompress_impl(BZ2Decompressor *self, Py_buffer *data,
+                                     Py_ssize_t max_length)
+/*[clinic end generated code: output=23e41045deb240a3 input=9558b424c8b00516]*/
 {
     PyObject *result = NULL;
 
@@ -492,7 +624,7 @@ _bz2_BZ2Decompressor_decompress_impl(BZ2Decompressor *self, Py_buffer *data)
     if (self->eof)
         PyErr_SetString(PyExc_EOFError, "End of stream already reached");
     else
-        result = decompress(self, data->buf, data->len);
+        result = decompress(self, data->buf, data->len, max_length);
     RELEASE_LOCK(self);
     return result;
 }
@@ -527,7 +659,11 @@ _bz2_BZ2Decompressor___init___impl(BZ2Decompressor *self)
     }
 #endif
 
-    self->unused_data = PyBytes_FromStringAndSize("", 0);
+    self->needs_input = 1;
+    self->bzs_avail_in_real = 0;
+    self->input_buffer = NULL;
+    self->input_buffer_size = 0;
+    self->unused_data = PyBytes_FromStringAndSize(NULL, 0);
     if (self->unused_data == NULL)
         goto error;
 
@@ -549,6 +685,8 @@ error:
 static void
 BZ2Decompressor_dealloc(BZ2Decompressor *self)
 {
+    if(self->input_buffer != NULL)
+        PyMem_Free(self->input_buffer);
     BZ2_bzDecompressEnd(&self->bzs);
     Py_CLEAR(self->unused_data);
 #ifdef WITH_THREAD
@@ -570,11 +708,16 @@ PyDoc_STRVAR(BZ2Decompressor_eof__doc__,
 PyDoc_STRVAR(BZ2Decompressor_unused_data__doc__,
 "Data found after the end of the compressed stream.");
 
+PyDoc_STRVAR(BZ2Decompressor_needs_input_doc,
+"True if more input is needed before more decompressed data can be produced.");
+
 static PyMemberDef BZ2Decompressor_members[] = {
     {"eof", T_BOOL, offsetof(BZ2Decompressor, eof),
      READONLY, BZ2Decompressor_eof__doc__},
     {"unused_data", T_OBJECT_EX, offsetof(BZ2Decompressor, unused_data),
      READONLY, BZ2Decompressor_unused_data__doc__},
+    {"needs_input", T_BOOL, offsetof(BZ2Decompressor, needs_input), READONLY,
+     BZ2Decompressor_needs_input_doc},
     {NULL}
 };
 
diff --git a/Modules/_codecsmodule.c b/Modules/_codecsmodule.c
index 52f3479..d8b4bbd 100644
--- a/Modules/_codecsmodule.c
+++ b/Modules/_codecsmodule.c
@@ -47,6 +47,7 @@ module _codecs
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=e1390e3da3cb9deb]*/
 
+#include "clinic/_codecsmodule.c.h"
 
 /* --- Registry ----------------------------------------------------------- */
 
@@ -95,13 +96,15 @@ a ValueError. Other possible values are 'ignore', 'replace' and\n\
 codecs.register_error that can handle ValueErrors.");
 
 static PyObject *
-codec_encode(PyObject *self, PyObject *args)
+codec_encode(PyObject *self, PyObject *args, PyObject *kwargs)
 {
+    static char *kwlist[] = {"obj", "encoding", "errors", NULL};
     const char *encoding = NULL;
     const char *errors = NULL;
     PyObject *v;
 
-    if (!PyArg_ParseTuple(args, "O|ss:encode", &v, &encoding, &errors))
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|ss:encode", kwlist,
+                                     &v, &encoding, &errors))
         return NULL;
 
     if (encoding == NULL)
@@ -122,13 +125,15 @@ as well as any other name registered with codecs.register_error that is\n\
 able to handle ValueErrors.");
 
 static PyObject *
-codec_decode(PyObject *self, PyObject *args)
+codec_decode(PyObject *self, PyObject *args, PyObject *kwargs)
 {
+    static char *kwlist[] = {"obj", "encoding", "errors", NULL};
     const char *encoding = NULL;
     const char *errors = NULL;
     PyObject *v;
 
-    if (!PyArg_ParseTuple(args, "O|ss:decode", &v, &encoding, &errors))
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|ss:decode", kwlist,
+                                     &v, &encoding, &errors))
         return NULL;
 
     if (encoding == NULL)
@@ -149,37 +154,9 @@ _codecs._forget_codec
 Purge the named codec from the internal codec lookup cache
 [clinic start generated code]*/
 
-PyDoc_STRVAR(_codecs__forget_codec__doc__,
-"_forget_codec($module, encoding, /)\n"
-"--\n"
-"\n"
-"Purge the named codec from the internal codec lookup cache");
-
-#define _CODECS__FORGET_CODEC_METHODDEF    \
-    {"_forget_codec", (PyCFunction)_codecs__forget_codec, METH_VARARGS, _codecs__forget_codec__doc__},
-
-static PyObject *
-_codecs__forget_codec_impl(PyModuleDef *module, const char *encoding);
-
-static PyObject *
-_codecs__forget_codec(PyModuleDef *module, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    const char *encoding;
-
-    if (!PyArg_ParseTuple(args,
-        "s:_forget_codec",
-        &encoding))
-        goto exit;
-    return_value = _codecs__forget_codec_impl(module, encoding);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
 _codecs__forget_codec_impl(PyModuleDef *module, const char *encoding)
-/*[clinic end generated code: output=a75e631591702a5c input=18d5d92d0e386c38]*/
+/*[clinic end generated code: output=b56a9b99d2d28080 input=18d5d92d0e386c38]*/
 {
     if (_PyCodec_Forget(encoding) < 0) {
         return NULL;
@@ -204,15 +181,18 @@ static PyObject *
 escape_decode(PyObject *self,
               PyObject *args)
 {
+    Py_buffer pbuf;
     const char *errors = NULL;
-    const char *data;
-    Py_ssize_t size;
+    PyObject *result;
 
-    if (!PyArg_ParseTuple(args, "s#|z:escape_decode",
-                          &data, &size, &errors))
+    if (!PyArg_ParseTuple(args, "s*|z:escape_decode",
+                          &pbuf, &errors))
         return NULL;
-    return codec_tuple(PyBytes_DecodeEscape(data, size, errors, 0, NULL),
-                       size);
+    result = codec_tuple(
+            PyBytes_DecodeEscape(pbuf.buf, pbuf.len, errors, 0, NULL),
+            pbuf.len);
+    PyBuffer_Release(&pbuf);
+    return result;
 }
 
 static PyObject *
@@ -750,7 +730,7 @@ unicode_internal_encode(PyObject *self,
         u = PyUnicode_AsUnicodeAndSize(obj, &len);
         if (u == NULL)
             return NULL;
-        if (len > PY_SSIZE_T_MAX / sizeof(Py_UNICODE))
+        if ((size_t)len > (size_t)PY_SSIZE_T_MAX / sizeof(Py_UNICODE))
             return PyErr_NoMemory();
         size = len * sizeof(Py_UNICODE);
         return codec_tuple(PyBytes_FromStringAndSize((const char*)u, size),
@@ -1179,9 +1159,9 @@ static PyMethodDef _codecs_functions[] = {
         register__doc__},
     {"lookup",                  codec_lookup,                   METH_VARARGS,
         lookup__doc__},
-    {"encode",                  codec_encode,                   METH_VARARGS,
+    {"encode",     (PyCFunction)codec_encode,     METH_VARARGS|METH_KEYWORDS,
         encode__doc__},
-    {"decode",                  codec_decode,                   METH_VARARGS,
+    {"decode",     (PyCFunction)codec_decode,     METH_VARARGS|METH_KEYWORDS,
         decode__doc__},
     {"escape_encode",           escape_encode,                  METH_VARARGS},
     {"escape_decode",           escape_decode,                  METH_VARARGS},
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index c1aa9a3..2b70b2b 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1,50 +1,73 @@
 #include "Python.h"
 #include "structmember.h"
 
+#ifdef STDC_HEADERS
+#include <stddef.h>
+#else
+#include <sys/types.h>          /* For size_t */
+#endif
+
 /* collections module implementation of a deque() datatype
    Written and maintained by Raymond D. Hettinger <python@rcn.com>
-   Copyright (c) 2004-2013 Python Software Foundation.
+   Copyright (c) 2004-2015 Python Software Foundation.
    All rights reserved.
 */
 
 /* The block length may be set to any number over 1.  Larger numbers
  * reduce the number of calls to the memory allocator, give faster
- * indexing and rotation, and reduce the link::data overhead ratio.
- *
- * Ideally, the block length will be set to two less than some
- * multiple of the cache-line length (so that the full block
- * including the leftlink and rightlink will fit neatly into
- * cache lines).
+ * indexing and rotation, and reduce the link to data overhead ratio.
+ * Making the block length a power of two speeds-up the modulo
+ * and division calculations in deque_item() and deque_ass_item().
  */
 
-#define BLOCKLEN 62
+#define BLOCKLEN 64
 #define CENTER ((BLOCKLEN - 1) / 2)
 
-/* A `dequeobject` is composed of a doubly-linked list of `block` nodes.
+/* Data for deque objects is stored in a doubly-linked list of fixed
+ * length blocks.  This assures that appends or pops never move any
+ * other data elements besides the one being appended or popped.
+ *
+ * Another advantage is that it completely avoids use of realloc(),
+ * resulting in more predictable performance.
+ *
+ * Textbook implementations of doubly-linked lists store one datum
+ * per link, but that gives them a 200% memory overhead (a prev and
+ * next link for each datum) and it costs one malloc() call per data
+ * element.  By using fixed-length blocks, the link to data ratio is
+ * significantly improved and there are proportionally fewer calls
+ * to malloc() and free().  The data blocks of consecutive pointers
+ * also improve cache locality.
+ *
  * The list of blocks is never empty, so d.leftblock and d.rightblock
  * are never equal to NULL.  The list is not circular.
  *
  * A deque d's first element is at d.leftblock[leftindex]
  * and its last element is at d.rightblock[rightindex].
- * Unlike Python slice indices, these indices are inclusive
- * on both ends.  This makes the algorithms for left and
- * right operations more symmetrical and simplifies the design.
  *
- * The indices, d.leftindex and d.rightindex are always in the range
- *     0 <= index < BLOCKLEN.
- * Their exact relationship is:
- *     (d.leftindex + d.len - 1) % BLOCKLEN == d.rightindex.
+ * Unlike Python slice indices, these indices are inclusive on both
+ * ends.  This makes the algorithms for left and right operations
+ * more symmetrical and it simplifies the design.
  *
- * Empty deques have d.len == 0; d.leftblock==d.rightblock;
- * d.leftindex == CENTER+1; and d.rightindex == CENTER.
- * Checking for d.len == 0 is the intended way to see whether d is empty.
+ * The indices, d.leftindex and d.rightindex are always in the range:
+ *     0 <= index < BLOCKLEN
  *
- * Whenever d.leftblock == d.rightblock,
- *     d.leftindex + d.len - 1 == d.rightindex.
+ * And their exact relationship is:
+ *     (d.leftindex + d.len - 1) % BLOCKLEN == d.rightindex
  *
- * However, when d.leftblock != d.rightblock, d.leftindex and d.rightindex
- * become indices into distinct blocks and either may be larger than the
- * other.
+ * Whenever d.leftblock == d.rightblock, then:
+ *     d.leftindex + d.len - 1 == d.rightindex
+ *
+ * However, when d.leftblock != d.rightblock, the d.leftindex and
+ * d.rightindex become indices into distinct blocks and either may
+ * be larger than the other.
+ *
+ * Empty deques have:
+ *     d.len == 0
+ *     d.leftblock == d.rightblock
+ *     d.leftindex == CENTER + 1
+ *     d.rightindex == CENTER
+ *
+ * Checking for d.len == 0 is the intended way to see whether d is empty.
  */
 
 typedef struct BLOCK {
@@ -53,6 +76,19 @@ typedef struct BLOCK {
     struct BLOCK *rightlink;
 } block;
 
+typedef struct {
+    PyObject_VAR_HEAD
+    block *leftblock;
+    block *rightblock;
+    Py_ssize_t leftindex;       /* 0 <= leftindex < BLOCKLEN */
+    Py_ssize_t rightindex;      /* 0 <= rightindex < BLOCKLEN */
+    size_t state;               /* incremented whenever the indices move */
+    Py_ssize_t maxlen;
+    PyObject *weakreflist;
+} dequeobject;
+
+static PyTypeObject deque_type;
+
 /* For debug builds, add error checking to track the endpoints
  * in the chain of links.  The goal is to make sure that link
  * assignments only take place at endpoints so that links already
@@ -74,8 +110,14 @@ typedef struct BLOCK {
 #define CHECK_NOT_END(link)
 #endif
 
+/* To prevent len from overflowing PY_SSIZE_T_MAX, we refuse to
+   allocate new blocks if the current len is nearing overflow.
+*/
+
+#define MAX_DEQUE_LEN (PY_SSIZE_T_MAX - 3*BLOCKLEN)
+
 /* A simple freelisting scheme is used to minimize calls to the memory
-   allocator.  It accomodates common use cases where new blocks are being
+   allocator.  It accommodates common use cases where new blocks are being
    added at about the same rate as old blocks are being freed.
  */
 
@@ -86,9 +128,7 @@ static block *freeblocks[MAXFREEBLOCKS];
 static block *
 newblock(Py_ssize_t len) {
     block *b;
-    /* To prevent len from overflowing PY_SSIZE_T_MAX, we refuse to
-     * allocate new blocks if the current len is nearing overflow. */
-    if (len >= PY_SSIZE_T_MAX - 2*BLOCKLEN) {
+    if (len >= MAX_DEQUE_LEN) {
         PyErr_SetString(PyExc_OverflowError,
                         "cannot add more blocks to the deque");
         return NULL;
@@ -116,34 +156,11 @@ freeblock(block *b)
     }
 }
 
-typedef struct {
-    PyObject_VAR_HEAD
-    block *leftblock;
-    block *rightblock;
-    Py_ssize_t leftindex;       /* in range(BLOCKLEN) */
-    Py_ssize_t rightindex;      /* in range(BLOCKLEN) */
-    long state;                 /* incremented whenever the indices move */
-    Py_ssize_t maxlen;
-    PyObject *weakreflist; /* List of weak references */
-} dequeobject;
-
-/* The deque's size limit is d.maxlen.  The limit can be zero or positive.
- * If there is no limit, then d.maxlen == -1.
- *
- * After an item is added to a deque, we check to see if the size has grown past
- * the limit. If it has, we get the size back down to the limit by popping an
- * item off of the opposite end.  The methods that can trigger this are append(),
- * appendleft(), extend(), and extendleft().
- */
-
-#define TRIM(d, popfunction)                                    \
-    if (d->maxlen != -1 && Py_SIZE(d) > d->maxlen) {       \
-        PyObject *rv = popfunction(d, NULL);                \
-        assert(rv != NULL  &&  Py_SIZE(d) <= d->maxlen);    \
-        Py_DECREF(rv);                                      \
-    }
-
-static PyTypeObject deque_type;
+/* XXX Todo:
+   If aligned memory allocations become available, make the
+   deque object 64 byte aligned so that all of the fields
+   can be retrieved or updated in a single cache line.
+*/
 
 static PyObject *
 deque_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
@@ -165,14 +182,14 @@ deque_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     MARK_END(b->rightlink);
 
     assert(BLOCKLEN >= 2);
+    Py_SIZE(deque) = 0;
     deque->leftblock = b;
     deque->rightblock = b;
     deque->leftindex = CENTER + 1;
     deque->rightindex = CENTER;
-    Py_SIZE(deque) = 0;
     deque->state = 0;
-    deque->weakreflist = NULL;
     deque->maxlen = -1;
+    deque->weakreflist = NULL;
 
     return (PyObject *)deque;
 }
@@ -193,13 +210,7 @@ deque_pop(dequeobject *deque, PyObject *unused)
     deque->state++;
 
     if (deque->rightindex == -1) {
-        if (Py_SIZE(deque) == 0) {
-            assert(deque->leftblock == deque->rightblock);
-            assert(deque->leftindex == deque->rightindex+1);
-            /* re-center instead of freeing a block */
-            deque->leftindex = CENTER + 1;
-            deque->rightindex = CENTER;
-        } else {
+        if (Py_SIZE(deque)) {
             prevblock = deque->rightblock->leftlink;
             assert(deque->leftblock != deque->rightblock);
             freeblock(deque->rightblock);
@@ -207,6 +218,12 @@ deque_pop(dequeobject *deque, PyObject *unused)
             MARK_END(prevblock->rightlink);
             deque->rightblock = prevblock;
             deque->rightindex = BLOCKLEN - 1;
+        } else {
+            assert(deque->leftblock == deque->rightblock);
+            assert(deque->leftindex == deque->rightindex+1);
+            /* re-center instead of freeing a block */
+            deque->leftindex = CENTER + 1;
+            deque->rightindex = CENTER;
         }
     }
     return item;
@@ -231,13 +248,7 @@ deque_popleft(dequeobject *deque, PyObject *unused)
     deque->state++;
 
     if (deque->leftindex == BLOCKLEN) {
-        if (Py_SIZE(deque) == 0) {
-            assert(deque->leftblock == deque->rightblock);
-            assert(deque->leftindex == deque->rightindex+1);
-            /* re-center instead of freeing a block */
-            deque->leftindex = CENTER + 1;
-            deque->rightindex = CENTER;
-        } else {
+        if (Py_SIZE(deque)) {
             assert(deque->leftblock != deque->rightblock);
             prevblock = deque->leftblock->rightlink;
             freeblock(deque->leftblock);
@@ -245,6 +256,12 @@ deque_popleft(dequeobject *deque, PyObject *unused)
             MARK_END(prevblock->leftlink);
             deque->leftblock = prevblock;
             deque->leftindex = 0;
+        } else {
+            assert(deque->leftblock == deque->rightblock);
+            assert(deque->leftindex == deque->rightindex+1);
+            /* re-center instead of freeing a block */
+            deque->leftindex = CENTER + 1;
+            deque->rightindex = CENTER;
         }
     }
     return item;
@@ -252,11 +269,42 @@ deque_popleft(dequeobject *deque, PyObject *unused)
 
 PyDoc_STRVAR(popleft_doc, "Remove and return the leftmost element.");
 
+/* The deque's size limit is d.maxlen.  The limit can be zero or positive.
+ * If there is no limit, then d.maxlen == -1.
+ *
+ * After an item is added to a deque, we check to see if the size has grown past
+ * the limit. If it has, we get the size back down to the limit by popping an
+ * item off of the opposite end.  The methods that can trigger this are append(),
+ * appendleft(), extend(), and extendleft().
+ */
+
+static void
+deque_trim_right(dequeobject *deque)
+{
+    if (deque->maxlen != -1 && Py_SIZE(deque) > deque->maxlen) {
+        PyObject *rv = deque_pop(deque, NULL);
+        assert(rv != NULL);
+        assert(Py_SIZE(deque) <= deque->maxlen);
+        Py_DECREF(rv);
+    }
+}
+
+static void
+deque_trim_left(dequeobject *deque)
+{
+    if (deque->maxlen != -1 && Py_SIZE(deque) > deque->maxlen) {
+        PyObject *rv = deque_popleft(deque, NULL);
+        assert(rv != NULL);
+        assert(Py_SIZE(deque) <= deque->maxlen);
+        Py_DECREF(rv);
+    }
+}
+
 static PyObject *
 deque_append(dequeobject *deque, PyObject *item)
 {
     deque->state++;
-    if (deque->rightindex == BLOCKLEN-1) {
+    if (deque->rightindex == BLOCKLEN - 1) {
         block *b = newblock(Py_SIZE(deque));
         if (b == NULL)
             return NULL;
@@ -271,7 +319,7 @@ deque_append(dequeobject *deque, PyObject *item)
     Py_SIZE(deque)++;
     deque->rightindex++;
     deque->rightblock->data[deque->rightindex] = item;
-    TRIM(deque, deque_popleft);
+    deque_trim_left(deque);
     Py_RETURN_NONE;
 }
 
@@ -296,7 +344,7 @@ deque_appendleft(dequeobject *deque, PyObject *item)
     Py_SIZE(deque)++;
     deque->leftindex--;
     deque->leftblock->data[deque->leftindex] = item;
-    TRIM(deque, deque_pop);
+    deque_trim_right(deque);
     Py_RETURN_NONE;
 }
 
@@ -352,7 +400,7 @@ deque_extend(dequeobject *deque, PyObject *iterable)
 
     while ((item = PyIter_Next(it)) != NULL) {
         deque->state++;
-        if (deque->rightindex == BLOCKLEN-1) {
+        if (deque->rightindex == BLOCKLEN - 1) {
             block *b = newblock(Py_SIZE(deque));
             if (b == NULL) {
                 Py_DECREF(item);
@@ -369,7 +417,7 @@ deque_extend(dequeobject *deque, PyObject *iterable)
         Py_SIZE(deque)++;
         deque->rightindex++;
         deque->rightblock->data[deque->rightindex] = item;
-        TRIM(deque, deque_popleft);
+        deque_trim_left(deque);
     }
     Py_DECREF(it);
     if (PyErr_Occurred())
@@ -430,7 +478,7 @@ deque_extendleft(dequeobject *deque, PyObject *iterable)
         Py_SIZE(deque)++;
         deque->leftindex--;
         deque->leftblock->data[deque->leftindex] = item;
-        TRIM(deque, deque_pop);
+        deque_trim_right(deque);
     }
     Py_DECREF(it);
     if (PyErr_Occurred())
@@ -454,6 +502,146 @@ deque_inplace_concat(dequeobject *deque, PyObject *other)
     return (PyObject *)deque;
 }
 
+static PyObject *deque_copy(PyObject *deque);
+
+static PyObject *
+deque_concat(dequeobject *deque, PyObject *other)
+{
+    PyObject *new_deque, *result;
+    int rv;
+
+    rv = PyObject_IsInstance(other, (PyObject *)&deque_type);
+    if (rv <= 0) {
+        if (rv == 0) {
+            PyErr_Format(PyExc_TypeError,
+                         "can only concatenate deque (not \"%.200s\") to deque",
+                         other->ob_type->tp_name);
+        }
+        return NULL;
+    }
+
+    new_deque = deque_copy((PyObject *)deque);
+    if (new_deque == NULL)
+        return NULL;
+    result = deque_extend((dequeobject *)new_deque, other);
+    if (result == NULL) {
+        Py_DECREF(new_deque);
+        return NULL;
+    }
+    Py_DECREF(result);
+    return new_deque;
+}
+
+static void deque_clear(dequeobject *deque);
+
+static PyObject *
+deque_repeat(dequeobject *deque, Py_ssize_t n)
+{
+    dequeobject *new_deque;
+    PyObject *result;
+
+    /* XXX add a special case for when maxlen is defined */
+    if (n < 0)
+        n = 0;
+    else if (n > 0 && Py_SIZE(deque) > MAX_DEQUE_LEN / n)
+        return PyErr_NoMemory();
+
+    new_deque = (dequeobject *)deque_new(&deque_type, (PyObject *)NULL, (PyObject *)NULL);
+    new_deque->maxlen = deque->maxlen;
+
+    for ( ; n ; n--) {
+        result = deque_extend(new_deque, (PyObject *)deque);
+        if (result == NULL) {
+            Py_DECREF(new_deque);
+            return NULL;
+        }
+        Py_DECREF(result);
+    }
+    return (PyObject *)new_deque;
+}
+
+static PyObject *
+deque_inplace_repeat(dequeobject *deque, Py_ssize_t n)
+{
+    Py_ssize_t i, size;
+    PyObject *seq;
+    PyObject *rv;
+
+    size = Py_SIZE(deque);
+    if (size == 0 || n == 1) {
+        Py_INCREF(deque);
+        return (PyObject *)deque;
+    }
+
+    if (n <= 0) {
+        deque_clear(deque);
+        Py_INCREF(deque);
+        return (PyObject *)deque;
+    }
+
+    if (size > MAX_DEQUE_LEN / n) {
+        return PyErr_NoMemory();
+    }
+
+    if (size == 1) {
+        /* common case, repeating a single element */
+        PyObject *item = deque->leftblock->data[deque->leftindex];
+
+        if (deque->maxlen != -1 && n > deque->maxlen)
+            n = deque->maxlen;
+
+        for (i = 0 ; i < n-1 ; i++) {
+            rv = deque_append(deque, item);
+            if (rv == NULL)
+                return NULL;
+            Py_DECREF(rv);
+        }
+        Py_INCREF(deque);
+        return (PyObject *)deque;
+    }
+
+    seq = PySequence_List((PyObject *)deque);
+    if (seq == NULL)
+        return seq;
+
+    for (i = 0 ; i < n-1 ; i++) {
+        rv = deque_extend(deque, seq);
+        if (rv == NULL) {
+            Py_DECREF(seq);
+            return NULL;
+        }
+        Py_DECREF(rv);
+    }
+    Py_INCREF(deque);
+    Py_DECREF(seq);
+    return (PyObject *)deque;
+}
+
+/* The rotate() method is part of the public API and is used internally
+as a primitive for other methods.
+
+Rotation by 1 or -1 is a common case, so any optimizations for high
+volume rotations should take care not to penalize the common case.
+
+Conceptually, a rotate by one is equivalent to a pop on one side and an
+append on the other.  However, a pop/append pair is unnecessarily slow
+because it requires a incref/decref pair for an object located randomly
+in memory.  It is better to just move the object pointer from one block
+to the next without changing the reference count.
+
+When moving batches of pointers, it is tempting to use memcpy() but that
+proved to be slower than a simple loop for a variety of reasons.
+Memcpy() cannot know in advance that we're copying pointers instead of
+bytes, that the source and destination are pointer aligned and
+non-overlapping, that moving just one pointer is a common case, that we
+never need to move more than BLOCKLEN pointers, and that at least one
+pointer is always moved.
+
+For high volume rotations, newblock() and freeblock() are never called
+more than once.  Previously emptied blocks are immediately reused as a
+destination block.  If a block is left-over at the end, it is freed.
+*/
+
 static int
 _deque_rotate(dequeobject *deque, Py_ssize_t n)
 {
@@ -503,13 +691,13 @@ _deque_rotate(dequeobject *deque, Py_ssize_t n)
             if (m > leftindex)
                 m = leftindex;
             assert (m > 0 && m <= len);
-            src = &rightblock->data[rightindex];
-            dest = &leftblock->data[leftindex - 1];
             rightindex -= m;
             leftindex -= m;
+            src = &rightblock->data[rightindex + 1];
+            dest = &leftblock->data[leftindex];
             n -= m;
             do {
-                *(dest--) = *(src--);
+                *(dest++) = *(src++);
             } while (--m);
         }
         if (rightindex == -1) {
@@ -585,7 +773,7 @@ deque_rotate(dequeobject *deque, PyObject *args)
 
     if (!PyArg_ParseTuple(args, "|n:rotate", &n))
         return NULL;
-    if (_deque_rotate(deque, n) == 0)
+    if (!_deque_rotate(deque, n))
         Py_RETURN_NONE;
     return NULL;
 }
@@ -600,7 +788,7 @@ deque_reverse(dequeobject *deque, PyObject *unused)
     block *rightblock = deque->rightblock;
     Py_ssize_t leftindex = deque->leftindex;
     Py_ssize_t rightindex = deque->rightindex;
-    Py_ssize_t n = (Py_SIZE(deque))/2;
+    Py_ssize_t n = Py_SIZE(deque) / 2;
     Py_ssize_t i;
     PyObject *tmp;
 
@@ -643,8 +831,8 @@ deque_count(dequeobject *deque, PyObject *v)
     Py_ssize_t n = Py_SIZE(deque);
     Py_ssize_t i;
     Py_ssize_t count = 0;
+    size_t start_state = deque->state;
     PyObject *item;
-    long start_state = deque->state;
     int cmp;
 
     for (i=0 ; i<n ; i++) {
@@ -675,6 +863,38 @@ deque_count(dequeobject *deque, PyObject *v)
 PyDoc_STRVAR(count_doc,
 "D.count(value) -> integer -- return number of occurrences of value");
 
+static int
+deque_contains(dequeobject *deque, PyObject *v)
+{
+    block *b = deque->leftblock;
+    Py_ssize_t index = deque->leftindex;
+    Py_ssize_t n = Py_SIZE(deque);
+    Py_ssize_t i;
+    size_t start_state = deque->state;
+    PyObject *item;
+    int cmp;
+
+    for (i=0 ; i<n ; i++) {
+        CHECK_NOT_END(b);
+        item = b->data[index];
+        cmp = PyObject_RichCompareBool(item, v, Py_EQ);
+        if (cmp) {
+            return cmp;
+        }
+        if (start_state != deque->state) {
+            PyErr_SetString(PyExc_RuntimeError,
+                            "deque mutated during iteration");
+            return -1;
+        }
+        index++;
+        if (index == BLOCKLEN) {
+            b = b->rightlink;
+            index = 0;
+        }
+    }
+    return 0;
+}
+
 static Py_ssize_t
 deque_len(dequeobject *deque)
 {
@@ -682,6 +902,99 @@ deque_len(dequeobject *deque)
 }
 
 static PyObject *
+deque_index(dequeobject *deque, PyObject *args)
+{
+    Py_ssize_t i, start=0, stop=Py_SIZE(deque);
+    PyObject *v, *item;
+    block *b = deque->leftblock;
+    Py_ssize_t index = deque->leftindex;
+    size_t start_state = deque->state;
+
+    if (!PyArg_ParseTuple(args, "O|O&O&:index", &v,
+                                _PyEval_SliceIndex, &start,
+                                _PyEval_SliceIndex, &stop))
+        return NULL;
+    if (start < 0) {
+        start += Py_SIZE(deque);
+        if (start < 0)
+            start = 0;
+    }
+    if (stop < 0) {
+        stop += Py_SIZE(deque);
+        if (stop < 0)
+            stop = 0;
+    }
+
+    for (i=0 ; i<stop ; i++) {
+        if (i >= start) {
+            int cmp;
+            CHECK_NOT_END(b);
+            item = b->data[index];
+            cmp = PyObject_RichCompareBool(item, v, Py_EQ);
+            if (cmp > 0)
+                return PyLong_FromSsize_t(i);
+            else if (cmp < 0)
+                return NULL;
+            if (start_state != deque->state) {
+                PyErr_SetString(PyExc_RuntimeError,
+                                "deque mutated during iteration");
+                return NULL;
+            }
+        }
+        index++;
+        if (index == BLOCKLEN) {
+            b = b->rightlink;
+            index = 0;
+        }
+    }
+    PyErr_Format(PyExc_ValueError, "%R is not in deque", v);
+    return NULL;
+}
+
+PyDoc_STRVAR(index_doc,
+"D.index(value, [start, [stop]]) -> integer -- return first index of value.\n"
+"Raises ValueError if the value is not present.");
+
+/* insert(), remove(), and delitem() are implemented in terms of
+   rotate() for simplicity and reasonable performance near the end
+   points.  If for some reason these methods become popular, it is not
+   hard to re-implement this using direct data movement (similar to
+   the code used in list slice assignments) and achieve a performance
+   boost (by moving each pointer only once instead of twice).
+*/
+
+static PyObject *
+deque_insert(dequeobject *deque, PyObject *args)
+{
+    Py_ssize_t index;
+    Py_ssize_t n = Py_SIZE(deque);
+    PyObject *value;
+    PyObject *rv;
+
+    if (!PyArg_ParseTuple(args, "nO:insert", &index, &value))
+        return NULL;
+    if (index >= n)
+        return deque_append(deque, value);
+    if (index <= -n || index == 0)
+        return deque_appendleft(deque, value);
+    if (_deque_rotate(deque, -index))
+        return NULL;
+    if (index < 0)
+        rv = deque_append(deque, value);
+    else
+        rv = deque_appendleft(deque, value);
+    if (rv == NULL)
+        return NULL;
+    Py_DECREF(rv);
+    if (_deque_rotate(deque, index))
+        return NULL;
+    Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(insert_doc,
+"D.insert(index, object) -- insert object before index");
+
+static PyObject *
 deque_remove(dequeobject *deque, PyObject *value)
 {
     Py_ssize_t i, n=Py_SIZE(deque);
@@ -698,9 +1011,9 @@ deque_remove(dequeobject *deque, PyObject *value)
         if (cmp > 0) {
             PyObject *tgt = deque_popleft(deque, NULL);
             assert (tgt != NULL);
-            Py_DECREF(tgt);
-            if (_deque_rotate(deque, i) == -1)
+            if (_deque_rotate(deque, i))
                 return NULL;
+            Py_DECREF(tgt);
             Py_RETURN_NONE;
         }
         else if (cmp < 0) {
@@ -726,9 +1039,17 @@ deque_clear(dequeobject *deque)
         assert (item != NULL);
         Py_DECREF(item);
     }
-    assert(deque->leftblock == deque->rightblock &&
-           deque->leftindex - 1 == deque->rightindex &&
-           Py_SIZE(deque) == 0);
+    assert(deque->leftblock == deque->rightblock);
+    assert(deque->leftindex - 1 == deque->rightindex);
+    assert(Py_SIZE(deque) == 0);
+}
+
+static int
+valid_index(Py_ssize_t i, Py_ssize_t limit)
+{
+    /* The cast to size_t let us use just a single comparison
+       to check whether i is in the range: 0 <= i < limit */
+    return (size_t) i < (size_t) limit;
 }
 
 static PyObject *
@@ -738,9 +1059,8 @@ deque_item(dequeobject *deque, Py_ssize_t i)
     PyObject *item;
     Py_ssize_t n, index=i;
 
-    if (i < 0 || i >= Py_SIZE(deque)) {
-        PyErr_SetString(PyExc_IndexError,
-                        "deque index out of range");
+    if (!valid_index(i, Py_SIZE(deque))) {
+        PyErr_SetString(PyExc_IndexError, "deque index out of range");
         return NULL;
     }
 
@@ -752,14 +1072,16 @@ deque_item(dequeobject *deque, Py_ssize_t i)
         b = deque->rightblock;
     } else {
         i += deque->leftindex;
-        n = i / BLOCKLEN;
-        i %= BLOCKLEN;
+        n = (Py_ssize_t)((size_t) i / BLOCKLEN);
+        i = (Py_ssize_t)((size_t) i % BLOCKLEN);
         if (index < (Py_SIZE(deque) >> 1)) {
             b = deque->leftblock;
             while (n--)
                 b = b->rightlink;
         } else {
-            n = (deque->leftindex + Py_SIZE(deque) - 1) / BLOCKLEN - n;
+            n = (Py_ssize_t)(
+                    ((size_t)(deque->leftindex + Py_SIZE(deque) - 1))
+                    / BLOCKLEN - n);
             b = deque->rightblock;
             while (n--)
                 b = b->leftlink;
@@ -770,27 +1092,20 @@ deque_item(dequeobject *deque, Py_ssize_t i)
     return item;
 }
 
-/* delitem() implemented in terms of rotate for simplicity and reasonable
-   performance near the end points.  If for some reason this method becomes
-   popular, it is not hard to re-implement this using direct data movement
-   (similar to code in list slice assignment) and achieve a two or threefold
-   performance boost.
-*/
-
 static int
 deque_del_item(dequeobject *deque, Py_ssize_t i)
 {
     PyObject *item;
+    int rv;
 
     assert (i >= 0 && i < Py_SIZE(deque));
-    if (_deque_rotate(deque, -i) == -1)
+    if (_deque_rotate(deque, -i))
         return -1;
-
     item = deque_popleft(deque, NULL);
+    rv = _deque_rotate(deque, i);
     assert (item != NULL);
     Py_DECREF(item);
-
-    return _deque_rotate(deque, i);
+    return rv;
 }
 
 static int
@@ -800,23 +1115,24 @@ deque_ass_item(dequeobject *deque, Py_ssize_t i, PyObject *v)
     block *b;
     Py_ssize_t n, len=Py_SIZE(deque), halflen=(len+1)>>1, index=i;
 
-    if (i < 0 || i >= len) {
-        PyErr_SetString(PyExc_IndexError,
-                        "deque index out of range");
+    if (!valid_index(i, len)) {
+        PyErr_SetString(PyExc_IndexError, "deque index out of range");
         return -1;
     }
     if (v == NULL)
         return deque_del_item(deque, i);
 
     i += deque->leftindex;
-    n = i / BLOCKLEN;
-    i %= BLOCKLEN;
+    n = (Py_ssize_t)((size_t) i / BLOCKLEN);
+    i = (Py_ssize_t)((size_t) i % BLOCKLEN);
     if (index <= halflen) {
         b = deque->leftblock;
         while (n--)
             b = b->rightlink;
     } else {
-        n = (deque->leftindex + len - 1) / BLOCKLEN - n;
+        n = (Py_ssize_t)(
+                ((size_t)(deque->leftindex + Py_SIZE(deque) - 1))
+                / BLOCKLEN - n);
         b = deque->rightblock;
         while (n--)
             b = b->leftlink;
@@ -938,7 +1254,6 @@ deque_repr(PyObject *deque)
         return NULL;
     }
     if (((dequeobject *)deque)->maxlen != -1)
-
         result = PyUnicode_FromFormat("deque(%R, maxlen=%zd)",
                                       aslist, ((dequeobject *)deque)->maxlen);
     else
@@ -1073,6 +1388,12 @@ deque_sizeof(dequeobject *deque, void *unused)
 PyDoc_STRVAR(sizeof_doc,
 "D.__sizeof__() -- size of D in memory, in bytes");
 
+static int
+deque_bool(dequeobject *deque)
+{
+    return Py_SIZE(deque) != 0;
+}
+
 static PyObject *
 deque_get_maxlen(dequeobject *deque)
 {
@@ -1081,6 +1402,9 @@ deque_get_maxlen(dequeobject *deque)
     return PyLong_FromSsize_t(deque->maxlen);
 }
 
+
+/* deque object ********************************************************/
+
 static PyGetSetDef deque_getset[] = {
     {"maxlen", (getter)deque_get_maxlen, (setter)NULL,
      "maximum size of a deque or None if unbounded"},
@@ -1089,19 +1413,30 @@ static PyGetSetDef deque_getset[] = {
 
 static PySequenceMethods deque_as_sequence = {
     (lenfunc)deque_len,                 /* sq_length */
-    0,                                  /* sq_concat */
-    0,                                  /* sq_repeat */
+    (binaryfunc)deque_concat,           /* sq_concat */
+    (ssizeargfunc)deque_repeat,         /* sq_repeat */
     (ssizeargfunc)deque_item,           /* sq_item */
     0,                                  /* sq_slice */
-    (ssizeobjargproc)deque_ass_item,            /* sq_ass_item */
+    (ssizeobjargproc)deque_ass_item,    /* sq_ass_item */
     0,                                  /* sq_ass_slice */
-    0,                                  /* sq_contains */
-    (binaryfunc)deque_inplace_concat,           /* sq_inplace_concat */
-    0,                                  /* sq_inplace_repeat */
-
+    (objobjproc)deque_contains,         /* sq_contains */
+    (binaryfunc)deque_inplace_concat,   /* sq_inplace_concat */
+    (ssizeargfunc)deque_inplace_repeat, /* sq_inplace_repeat */
 };
 
-/* deque object ********************************************************/
+static PyNumberMethods deque_as_number = {
+    0,                                  /* nb_add */
+    0,                                  /* nb_subtract */
+    0,                                  /* nb_multiply */
+    0,                                  /* nb_remainder */
+    0,                                  /* nb_divmod */
+    0,                                  /* nb_power */
+    0,                                  /* nb_negative */
+    0,                                  /* nb_positive */
+    0,                                  /* nb_absolute */
+    (inquiry)deque_bool,                /* nb_bool */
+    0,                                  /* nb_invert */
+ };
 
 static PyObject *deque_iter(dequeobject *deque);
 static PyObject *deque_reviter(dequeobject *deque);
@@ -1117,17 +1452,23 @@ static PyMethodDef deque_methods[] = {
         METH_NOARGS,             clear_doc},
     {"__copy__",                (PyCFunction)deque_copy,
         METH_NOARGS,             copy_doc},
+    {"copy",                    (PyCFunction)deque_copy,
+        METH_NOARGS,             copy_doc},
     {"count",                   (PyCFunction)deque_count,
-        METH_O,                         count_doc},
+        METH_O,                  count_doc},
     {"extend",                  (PyCFunction)deque_extend,
         METH_O,                  extend_doc},
     {"extendleft",              (PyCFunction)deque_extendleft,
         METH_O,                  extendleft_doc},
+    {"index",                   (PyCFunction)deque_index,
+        METH_VARARGS,            index_doc},
+    {"insert",                  (PyCFunction)deque_insert,
+        METH_VARARGS,            insert_doc},
     {"pop",                     (PyCFunction)deque_pop,
         METH_NOARGS,             pop_doc},
     {"popleft",                 (PyCFunction)deque_popleft,
         METH_NOARGS,             popleft_doc},
-    {"__reduce__",      (PyCFunction)deque_reduce,
+    {"__reduce__",              (PyCFunction)deque_reduce,
         METH_NOARGS,             reduce_doc},
     {"remove",                  (PyCFunction)deque_remove,
         METH_O,                  remove_doc},
@@ -1145,7 +1486,7 @@ static PyMethodDef deque_methods[] = {
 PyDoc_STRVAR(deque_doc,
 "deque([iterable[, maxlen]]) --> deque object\n\
 \n\
-Build an ordered collection with optimized access from its endpoints.");
+A list-like sequence optimized for data accesses near its endpoints.");
 
 static PyTypeObject deque_type = {
     PyVarObject_HEAD_INIT(NULL, 0)
@@ -1159,7 +1500,7 @@ static PyTypeObject deque_type = {
     0,                                  /* tp_setattr */
     0,                                  /* tp_reserved */
     deque_repr,                         /* tp_repr */
-    0,                                  /* tp_as_number */
+    &deque_as_number,                   /* tp_as_number */
     &deque_as_sequence,                 /* tp_as_sequence */
     0,                                  /* tp_as_mapping */
     PyObject_HashNotImplemented,        /* tp_hash */
@@ -1195,10 +1536,10 @@ static PyTypeObject deque_type = {
 
 typedef struct {
     PyObject_HEAD
-    Py_ssize_t index;
     block *b;
+    Py_ssize_t index;
     dequeobject *deque;
-    long state;         /* state when the iterator is created */
+    size_t state;          /* state when the iterator is created */
     Py_ssize_t counter;    /* number of items remaining for iteration */
 } dequeiterobject;
 
@@ -1315,7 +1656,7 @@ static PyMethodDef dequeiter_methods[] = {
 
 static PyTypeObject dequeiter_type = {
     PyVarObject_HEAD_INIT(NULL, 0)
-    "_collections._deque_iterator",              /* tp_name */
+    "_collections._deque_iterator",             /* tp_name */
     sizeof(dequeiterobject),                    /* tp_basicsize */
     0,                                          /* tp_itemsize */
     /* methods */
@@ -1334,7 +1675,7 @@ static PyTypeObject dequeiter_type = {
     PyObject_GenericGetAttr,                    /* tp_getattro */
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,    /* tp_flags */
     0,                                          /* tp_doc */
     (traverseproc)dequeiter_traverse,           /* tp_traverse */
     0,                                          /* tp_clear */
@@ -1437,7 +1778,7 @@ dequereviter_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 
 static PyTypeObject dequereviter_type = {
     PyVarObject_HEAD_INIT(NULL, 0)
-    "_collections._deque_reverse_iterator",      /* tp_name */
+    "_collections._deque_reverse_iterator",     /* tp_name */
     sizeof(dequeiterobject),                    /* tp_basicsize */
     0,                                          /* tp_itemsize */
     /* methods */
@@ -1456,7 +1797,7 @@ static PyTypeObject dequereviter_type = {
     PyObject_GenericGetAttr,                    /* tp_getattro */
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,    /* tp_flags */
     0,                                          /* tp_doc */
     (traverseproc)dequeiter_traverse,           /* tp_traverse */
     0,                                          /* tp_clear */
@@ -1800,19 +2141,40 @@ _count_elements(PyObject *self, PyObject *args)
     if (mapping_get != NULL && mapping_get == dict_get &&
         mapping_setitem != NULL && mapping_setitem == dict_setitem) {
         while (1) {
+            /* Fast path advantages:
+                   1. Eliminate double hashing
+                      (by re-using the same hash for both the get and set)
+                   2. Avoid argument overhead of PyObject_CallFunctionObjArgs
+                      (argument tuple creation and parsing)
+                   3. Avoid indirection through a bound method object
+                      (creates another argument tuple)
+                   4. Avoid initial increment from zero
+                      (reuse an existing one-object instead)
+            */
+            Py_hash_t hash;
+
             key = PyIter_Next(it);
             if (key == NULL)
                 break;
-            oldval = PyDict_GetItem(mapping, key);
+
+            if (!PyUnicode_CheckExact(key) ||
+                (hash = ((PyASCIIObject *) key)->hash) == -1)
+            {
+                hash = PyObject_Hash(key);
+                if (hash == -1)
+                    goto done;
+            }
+
+            oldval = _PyDict_GetItem_KnownHash(mapping, key, hash);
             if (oldval == NULL) {
-                if (PyDict_SetItem(mapping, key, one) == -1)
-                    break;
+                if (_PyDict_SetItem_KnownHash(mapping, key, one, hash) == -1)
+                    goto done;
             } else {
                 newval = PyNumber_Add(oldval, one);
                 if (newval == NULL)
-                    break;
-                if (PyDict_SetItem(mapping, key, newval) == -1)
-                    break;
+                    goto done;
+                if (_PyDict_SetItem_KnownHash(mapping, key, newval, hash) == -1)
+                    goto done;
                 Py_CLEAR(newval);
             }
             Py_DECREF(key);
diff --git a/Modules/_cryptmodule.c b/Modules/_cryptmodule.c
index da44ef3..16cc4c2 100644
--- a/Modules/_cryptmodule.c
+++ b/Modules/_cryptmodule.c
@@ -12,6 +12,7 @@ module crypt
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=c6252cf4f2f2ae81]*/
 
+#include "clinic/_cryptmodule.c.h"
 
 /*[clinic input]
 crypt.crypt
@@ -29,43 +30,9 @@ results for a given *word*.
 
 [clinic start generated code]*/
 
-PyDoc_STRVAR(crypt_crypt__doc__,
-"crypt($module, word, salt, /)\n"
-"--\n"
-"\n"
-"Hash a *word* with the given *salt* and return the hashed password.\n"
-"\n"
-"*word* will usually be a user\'s password.  *salt* (either a random 2 or 16\n"
-"character string, possibly prefixed with $digit$ to indicate the method)\n"
-"will be used to perturb the encryption algorithm and produce distinct\n"
-"results for a given *word*.");
-
-#define CRYPT_CRYPT_METHODDEF    \
-    {"crypt", (PyCFunction)crypt_crypt, METH_VARARGS, crypt_crypt__doc__},
-
-static PyObject *
-crypt_crypt_impl(PyModuleDef *module, const char *word, const char *salt);
-
-static PyObject *
-crypt_crypt(PyModuleDef *module, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    const char *word;
-    const char *salt;
-
-    if (!PyArg_ParseTuple(args,
-        "ss:crypt",
-        &word, &salt))
-        goto exit;
-    return_value = crypt_crypt_impl(module, word, salt);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
 crypt_crypt_impl(PyModuleDef *module, const char *word, const char *salt)
-/*[clinic end generated code: output=3eaacdf994a6ff23 input=4d93b6d0f41fbf58]*/
+/*[clinic end generated code: output=995ad1e854d83069 input=4d93b6d0f41fbf58]*/
 {
     /* On some platforms (AtheOS) crypt returns NULL for an invalid
        salt. Return None in that case. XXX Maybe raise an exception?  */
diff --git a/Modules/_csv.c b/Modules/_csv.c
index c8767d1..eb88626 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -248,7 +248,7 @@ _set_char(const char *name, Py_UCS4 *target, PyObject *src, Py_UCS4 dflt)
             len = PyUnicode_GetLength(src);
             if (len > 1) {
                 PyErr_Format(PyExc_TypeError,
-                    "\"%s\" must be an 1-character string",
+                    "\"%s\" must be a 1-character string",
                     name);
                 return -1;
             }
@@ -290,7 +290,7 @@ dialect_check_quoting(int quoting)
     StyleDesc *qs;
 
     for (qs = quote_styles; qs->name; qs++) {
-        if (qs->style == quoting)
+        if ((int)qs->style == quoting)
             return 0;
     }
     PyErr_Format(PyExc_TypeError, "bad \"quoting\" value");
@@ -432,7 +432,7 @@ dialect_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
         goto err;
     if (self->delimiter == 0) {
         PyErr_SetString(PyExc_TypeError,
-                        "\"delimiter\" must be an 1-character string");
+                        "\"delimiter\" must be a 1-character string");
         goto err;
     }
     if (quotechar == Py_None && quoting == NULL)
@@ -1009,7 +1009,7 @@ join_reset(WriterObj *self)
  */
 static Py_ssize_t
 join_append_data(WriterObj *self, unsigned int field_kind, void *field_data,
-                 Py_ssize_t field_len, int quote_empty, int *quoted,
+                 Py_ssize_t field_len, int *quoted,
                  int copy_phase)
 {
     DialectObj *dialect = self->dialect;
@@ -1071,18 +1071,6 @@ join_append_data(WriterObj *self, unsigned int field_kind, void *field_data,
         ADDCH(c);
     }
 
-    /* If field is empty check if it needs to be quoted.
-     */
-    if (i == 0 && quote_empty) {
-        if (dialect->quoting == QUOTE_NONE) {
-            PyErr_Format(_csvstate_global->error_obj,
-                "single empty field record must be quoted");
-            return -1;
-        }
-        else
-            *quoted = 1;
-    }
-
     if (*quoted) {
         if (copy_phase)
             ADDCH(dialect->quotechar);
@@ -1126,7 +1114,7 @@ join_check_rec_size(WriterObj *self, Py_ssize_t rec_len)
 }
 
 static int
-join_append(WriterObj *self, PyObject *field, int *quoted, int quote_empty)
+join_append(WriterObj *self, PyObject *field, int quoted)
 {
     unsigned int field_kind = -1;
     void *field_data = NULL;
@@ -1141,7 +1129,7 @@ join_append(WriterObj *self, PyObject *field, int *quoted, int quote_empty)
         field_len = PyUnicode_GET_LENGTH(field);
     }
     rec_len = join_append_data(self, field_kind, field_data, field_len,
-                               quote_empty, quoted, 0);
+                               &quoted, 0);
     if (rec_len < 0)
         return 0;
 
@@ -1150,7 +1138,7 @@ join_append(WriterObj *self, PyObject *field, int *quoted, int quote_empty)
         return 0;
 
     self->rec_len = join_append_data(self, field_kind, field_data, field_len,
-                                     quote_empty, quoted, 1);
+                                     &quoted, 1);
     self->num_fields++;
 
     return 1;
@@ -1181,37 +1169,30 @@ join_append_lineterminator(WriterObj *self)
 }
 
 PyDoc_STRVAR(csv_writerow_doc,
-"writerow(sequence)\n"
+"writerow(iterable)\n"
 "\n"
-"Construct and write a CSV record from a sequence of fields.  Non-string\n"
+"Construct and write a CSV record from an iterable of fields.  Non-string\n"
 "elements will be converted to string.");
 
 static PyObject *
 csv_writerow(WriterObj *self, PyObject *seq)
 {
     DialectObj *dialect = self->dialect;
-    Py_ssize_t len, i;
-    PyObject *line, *result;
+    PyObject *iter, *field, *line, *result;
 
-    if (!PySequence_Check(seq))
-        return PyErr_Format(_csvstate_global->error_obj, "sequence expected");
-
-    len = PySequence_Length(seq);
-    if (len < 0)
-        return NULL;
+    iter = PyObject_GetIter(seq);
+    if (iter == NULL)
+        return PyErr_Format(_csvstate_global->error_obj,
+                            "iterable expected, not %.200s",
+                            seq->ob_type->tp_name);
 
     /* Join all fields in internal buffer.
      */
     join_reset(self);
-    for (i = 0; i < len; i++) {
-        PyObject *field;
+    while ((field = PyIter_Next(iter))) {
         int append_ok;
         int quoted;
 
-        field = PySequence_GetItem(seq, i);
-        if (field == NULL)
-            return NULL;
-
         switch (dialect->quoting) {
         case QUOTE_NONNUMERIC:
             quoted = !PyNumber_Check(field);
@@ -1225,11 +1206,11 @@ csv_writerow(WriterObj *self, PyObject *seq)
         }
 
         if (PyUnicode_Check(field)) {
-            append_ok = join_append(self, field, &quoted, len == 1);
+            append_ok = join_append(self, field, quoted);
             Py_DECREF(field);
         }
         else if (field == Py_None) {
-            append_ok = join_append(self, NULL, &quoted, len == 1);
+            append_ok = join_append(self, NULL, quoted);
             Py_DECREF(field);
         }
         else {
@@ -1237,19 +1218,37 @@ csv_writerow(WriterObj *self, PyObject *seq)
 
             str = PyObject_Str(field);
             Py_DECREF(field);
-            if (str == NULL)
+            if (str == NULL) {
+                Py_DECREF(iter);
                 return NULL;
-            append_ok = join_append(self, str, &quoted, len == 1);
+            }
+            append_ok = join_append(self, str, quoted);
             Py_DECREF(str);
         }
-        if (!append_ok)
+        if (!append_ok) {
+            Py_DECREF(iter);
+            return NULL;
+        }
+    }
+    Py_DECREF(iter);
+    if (PyErr_Occurred())
+        return NULL;
+
+    if (self->num_fields > 0 && self->rec_size == 0) {
+        if (dialect->quoting == QUOTE_NONE) {
+            PyErr_Format(_csvstate_global->error_obj,
+                "single empty field record must be quoted");
+            return NULL;
+        }
+        self->num_fields--;
+        if (!join_append(self, NULL, 1))
             return NULL;
     }
 
     /* Add line terminator.
      */
     if (!join_append_lineterminator(self))
-        return 0;
+        return NULL;
 
     line = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND,
                                      (void *) self->rec, self->rec_len);
@@ -1261,9 +1260,9 @@ csv_writerow(WriterObj *self, PyObject *seq)
 }
 
 PyDoc_STRVAR(csv_writerows_doc,
-"writerows(sequence of sequences)\n"
+"writerows(iterable of iterables)\n"
 "\n"
-"Construct and write a series of sequences to a csv file.  Non-string\n"
+"Construct and write a series of iterables to a csv file.  Non-string\n"
 "elements will be converted to string.");
 
 static PyObject *
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 2e5939c..b9fd82e 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -301,7 +301,7 @@ _ctypes_alloc_format_string_with_shape(int ndim, const Py_ssize_t *shape,
     char *new_prefix;
     char *result;
     char buf[32];
-    int prefix_len;
+    Py_ssize_t prefix_len;
     int k;
 
     prefix_len = 32 * ndim + 3;
@@ -2819,8 +2819,9 @@ _PyCData_set(CDataObject *dst, PyObject *type, SETFUNC setfunc, PyObject *value,
                src->b_ptr,
                size);
 
-        if (PyCPointerTypeObject_Check(type))
-            /* XXX */;
+        if (PyCPointerTypeObject_Check(type)) {
+            /* XXX */
+        }
 
         value = GetKeepedObjects(src);
         if (value == NULL)
diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index 8daeffc..03a911f 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -1603,7 +1603,7 @@ resize(PyObject *self, PyObject *args)
                      "Memory cannot be resized because this object doesn't own it");
         return NULL;
     }
-    if (size <= sizeof(obj->b_value)) {
+    if ((size_t)size <= sizeof(obj->b_value)) {
         /* internal default buffer is large enough */
         obj->b_size = size;
         goto done;
diff --git a/Modules/_ctypes/cfield.c b/Modules/_ctypes/cfield.c
index 2078291..4bd022d 100644
--- a/Modules/_ctypes/cfield.c
+++ b/Modules/_ctypes/cfield.c
@@ -1354,14 +1354,6 @@ z_get(void *ptr, Py_ssize_t size)
 {
     /* XXX What about invalid pointers ??? */
     if (*(void **)ptr) {
-#if defined(MS_WIN32) && !defined(_WIN32_WCE)
-        if (IsBadStringPtrA(*(char **)ptr, -1)) {
-            PyErr_Format(PyExc_ValueError,
-                         "invalid string pointer %p",
-                         *(char **)ptr);
-            return NULL;
-        }
-#endif
         return PyBytes_FromStringAndSize(*(char **)ptr,
                                          strlen(*(char **)ptr));
     } else {
@@ -1418,14 +1410,6 @@ Z_get(void *ptr, Py_ssize_t size)
     wchar_t *p;
     p = *(wchar_t **)ptr;
     if (p) {
-#if defined(MS_WIN32) && !defined(_WIN32_WCE)
-        if (IsBadStringPtrW(*(wchar_t **)ptr, -1)) {
-            PyErr_Format(PyExc_ValueError,
-                         "invalid string pointer %p",
-                         *(wchar_t **)ptr);
-            return NULL;
-        }
-#endif
         return PyUnicode_FromWideChar(p, wcslen(p));
     } else {
         Py_INCREF(Py_None);
@@ -1455,15 +1439,15 @@ BSTR_set(void *ptr, PyObject *value, Py_ssize_t size)
     /* create a BSTR from value */
     if (value) {
         wchar_t* wvalue;
-        Py_ssize_t size;
-        wvalue = PyUnicode_AsUnicodeAndSize(value, &size);
+        Py_ssize_t wsize;
+        wvalue = PyUnicode_AsUnicodeAndSize(value, &wsize);
         if (wvalue == NULL)
             return NULL;
-        if ((unsigned) size != size) {
+        if ((unsigned) wsize != wsize) {
             PyErr_SetString(PyExc_ValueError, "String too long for BSTR");
             return NULL;
         }
-        bstr = SysAllocStringLen(wvalue, (unsigned)size);
+        bstr = SysAllocStringLen(wvalue, (unsigned)wsize);
         Py_DECREF(value);
     } else
         bstr = NULL;
diff --git a/Modules/_ctypes/libffi_msvc/ffi.c b/Modules/_ctypes/libffi_msvc/ffi.c
index 76cb03e..b7586c7 100644
--- a/Modules/_ctypes/libffi_msvc/ffi.c
+++ b/Modules/_ctypes/libffi_msvc/ffi.c
@@ -65,37 +65,56 @@ void ffi_prep_args(char *stack, extended_cif *ecif)
 	argp = (char *) ALIGN(argp, sizeof(void *));
 
       z = (*p_arg)->size;
-      if (z < sizeof(int))
+      if (z < sizeof(intptr_t))
 	{
-	  z = sizeof(int);
+	  z = sizeof(intptr_t);
 	  switch ((*p_arg)->type)
 	    {
 	    case FFI_TYPE_SINT8:
-	      *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv);
+	      *(intptr_t *) argp = (intptr_t)*(SINT8 *)(* p_argv);
 	      break;
 
 	    case FFI_TYPE_UINT8:
-	      *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv);
+	      *(uintptr_t *) argp = (uintptr_t)*(UINT8 *)(* p_argv);
 	      break;
 
 	    case FFI_TYPE_SINT16:
-	      *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv);
+	      *(intptr_t *) argp = (intptr_t)*(SINT16 *)(* p_argv);
 	      break;
 
 	    case FFI_TYPE_UINT16:
-	      *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv);
+	      *(uintptr_t *) argp = (uintptr_t)*(UINT16 *)(* p_argv);
 	      break;
 
 	    case FFI_TYPE_SINT32:
-	      *(signed int *) argp = (signed int)*(SINT32 *)(* p_argv);
+	      *(intptr_t *) argp = (intptr_t)*(SINT32 *)(* p_argv);
 	      break;
 
 	    case FFI_TYPE_UINT32:
-	      *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
+	      *(uintptr_t *) argp = (uintptr_t)*(UINT32 *)(* p_argv);
+	      break;
+
+	    case FFI_TYPE_FLOAT:
+	      *(uintptr_t *) argp = 0;
+	      *(float *) argp = *(float *)(* p_argv);
+	      break;
+
+	    // 64-bit value cases should never be used for x86 and AMD64 builds
+	    case FFI_TYPE_SINT64:
+	      *(intptr_t *) argp = (intptr_t)*(SINT64 *)(* p_argv);
+	      break;
+
+	    case FFI_TYPE_UINT64:
+	      *(uintptr_t *) argp = (uintptr_t)*(UINT64 *)(* p_argv);
 	      break;
 
 	    case FFI_TYPE_STRUCT:
-	      *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
+	      *(uintptr_t *) argp = (uintptr_t)*(UINT32 *)(* p_argv);
+	      break;
+
+	    case FFI_TYPE_DOUBLE:
+	      *(uintptr_t *) argp = 0;
+	      *(double *) argp = *(double *)(* p_argv);
 	      break;
 
 	    default:
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 5ffce2f..d64bdc7 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -140,6 +140,8 @@ class curses.window "PyCursesWindowObject *" "&PyCursesWindow_Type"
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=88c860abdbb50e0c]*/
 
+#include "clinic/_cursesmodule.c.h"
+
 /* Definition of exception curses.error */
 
 static PyObject *PyCursesError;
@@ -583,75 +585,10 @@ By default, the character position and attributes are the
 current settings for the window object.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(curses_window_addch__doc__,
-"addch([y, x,] ch, [attr])\n"
-"Paint character ch at (y, x) with attributes attr.\n"
-"\n"
-"  y\n"
-"    Y-coordinate.\n"
-"  x\n"
-"    X-coordinate.\n"
-"  ch\n"
-"    Character to add.\n"
-"  attr\n"
-"    Attributes for the character.\n"
-"\n"
-"Paint character ch at (y, x) with attributes attr,\n"
-"overwriting any character previously painted at that location.\n"
-"By default, the character position and attributes are the\n"
-"current settings for the window object.");
-
-#define CURSES_WINDOW_ADDCH_METHODDEF    \
-    {"addch", (PyCFunction)curses_window_addch, METH_VARARGS, curses_window_addch__doc__},
-
 static PyObject *
-curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1, int y, int x, PyObject *ch, int group_right_1, long attr);
-
-static PyObject *
-curses_window_addch(PyCursesWindowObject *self, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    int group_left_1 = 0;
-    int y = 0;
-    int x = 0;
-    PyObject *ch;
-    int group_right_1 = 0;
-    long attr = 0;
-
-    switch (PyTuple_GET_SIZE(args)) {
-        case 1:
-            if (!PyArg_ParseTuple(args, "O:addch", &ch))
-                goto exit;
-            break;
-        case 2:
-            if (!PyArg_ParseTuple(args, "Ol:addch", &ch, &attr))
-                goto exit;
-            group_right_1 = 1;
-            break;
-        case 3:
-            if (!PyArg_ParseTuple(args, "iiO:addch", &y, &x, &ch))
-                goto exit;
-            group_left_1 = 1;
-            break;
-        case 4:
-            if (!PyArg_ParseTuple(args, "iiOl:addch", &y, &x, &ch, &attr))
-                goto exit;
-            group_right_1 = 1;
-            group_left_1 = 1;
-            break;
-        default:
-            PyErr_SetString(PyExc_TypeError, "curses.window.addch requires 1 to 4 arguments");
-            goto exit;
-    }
-    return_value = curses_window_addch_impl(self, group_left_1, y, x, ch, group_right_1, attr);
-
-exit:
-    return return_value;
-}
-
-static PyObject *
-curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1, int y, int x, PyObject *ch, int group_right_1, long attr)
-/*[clinic end generated code: output=d4b97cc287010c54 input=5a41efb34a2de338]*/
+curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1, int y,
+                         int x, PyObject *ch, int group_right_1, long attr)
+/*[clinic end generated code: output=99f7f85078ec06c3 input=5a41efb34a2de338]*/
 {
     PyCursesWindowObject *cwself = (PyCursesWindowObject *)self;
     int coordinates_group = group_left_1;
@@ -2675,7 +2612,7 @@ PyCurses_KeyName(PyObject *self, PyObject *args)
     }
     knp = keyname(ch);
 
-    return PyBytes_FromString((knp == NULL) ? "" : (char *)knp);
+    return PyBytes_FromString((knp == NULL) ? "" : knp);
 }
 #endif
 
@@ -2929,6 +2866,13 @@ update_lines_cols(void)
     Py_DECREF(m);
     return 1;
 }
+
+static PyObject *
+PyCurses_update_lines_cols(PyObject *self)
+{
+  return PyLong_FromLong((long) update_lines_cols());
+}
+
 #endif
 
 #ifdef HAVE_CURSES_RESIZETERM
@@ -3331,6 +3275,9 @@ static PyMethodDef PyCurses_methods[] = {
     {"typeahead",           (PyCFunction)PyCurses_TypeAhead, METH_VARARGS},
     {"unctrl",              (PyCFunction)PyCurses_UnCtrl, METH_VARARGS},
     {"ungetch",             (PyCFunction)PyCurses_UngetCh, METH_VARARGS},
+#if defined(HAVE_CURSES_RESIZETERM) || defined(HAVE_CURSES_RESIZE_TERM)
+    {"update_lines_cols",   (PyCFunction)PyCurses_update_lines_cols, METH_NOARGS},
+#endif
 #ifdef HAVE_NCURSESW
     {"unget_wch",           (PyCFunction)PyCurses_Unget_Wch, METH_VARARGS},
 #endif
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index d8225ba..7e4be5b 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -7,6 +7,10 @@
 
 #include <time.h>
 
+#ifdef MS_WINDOWS
+#  include <winsock2.h>         /* struct timeval */
+#endif
+
 /* Differentiate between building the core module and building extension
  * modules.
  */
@@ -22,6 +26,8 @@ class datetime.datetime "PyDateTime_DateTime *" "&PyDateTime_DateTimeType"
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=78142cb64b9e98bc]*/
 
+#include "clinic/_datetimemodule.c.h"
+
 /* We require that C int be at least 32 bits, and use int virtually
  * everywhere.  In just a few cases we use a temp long, where a Python
  * API returns a C long.  In such cases, we have to ensure that the
@@ -2459,7 +2465,7 @@ date_local_from_object(PyObject *cls, PyObject *obj)
     struct tm *tm;
     time_t t;
 
-    if (_PyTime_ObjectToTime_t(obj, &t, _PyTime_ROUND_DOWN) == -1)
+    if (_PyTime_ObjectToTime_t(obj, &t, _PyTime_ROUND_FLOOR) == -1)
         return NULL;
 
     tm = localtime(&t);
@@ -3805,29 +3811,6 @@ time_replace(PyDateTime_Time *self, PyObject *args, PyObject *kw)
     return clone;
 }
 
-static int
-time_bool(PyObject *self)
-{
-    PyObject *offset, *tzinfo;
-    int offsecs = 0;
-
-    if (TIME_GET_SECOND(self) || TIME_GET_MICROSECOND(self)) {
-        /* Since utcoffset is in whole minutes, nothing can
-         * alter the conclusion that this is nonzero.
-         */
-        return 1;
-    }
-    tzinfo = GET_TIME_TZINFO(self);
-    if (tzinfo != Py_None) {
-        offset = call_utcoffset(tzinfo, Py_None);
-        if (offset == NULL)
-            return -1;
-        offsecs = GET_TD_DAYS(offset)*86400 + GET_TD_SECONDS(offset);
-        Py_DECREF(offset);
-    }
-    return (TIME_GET_MINUTE(self)*60 - offsecs + TIME_GET_HOUR(self)*3600) != 0;
-}
-
 /* Pickle support, a simple use of __reduce__. */
 
 /* Let basestate be the non-tzinfo data string.
@@ -3895,19 +3878,6 @@ PyDoc_STR("time([hour[, minute[, second[, microsecond[, tzinfo]]]]]) --> a time
 All arguments are optional. tzinfo may be None, or an instance of\n\
 a tzinfo subclass. The remaining arguments may be ints.\n");
 
-static PyNumberMethods time_as_number = {
-    0,                                          /* nb_add */
-    0,                                          /* nb_subtract */
-    0,                                          /* nb_multiply */
-    0,                                          /* nb_remainder */
-    0,                                          /* nb_divmod */
-    0,                                          /* nb_power */
-    0,                                          /* nb_negative */
-    0,                                          /* nb_positive */
-    0,                                          /* nb_absolute */
-    (inquiry)time_bool,                         /* nb_bool */
-};
-
 static PyTypeObject PyDateTime_TimeType = {
     PyVarObject_HEAD_INIT(NULL, 0)
     "datetime.time",                            /* tp_name */
@@ -3919,7 +3889,7 @@ static PyTypeObject PyDateTime_TimeType = {
     0,                                          /* tp_setattr */
     0,                                          /* tp_reserved */
     (reprfunc)time_repr,                        /* tp_repr */
-    &time_as_number,                            /* tp_as_number */
+    0,                                          /* tp_as_number */
     0,                                          /* tp_as_sequence */
     0,                                          /* tp_as_mapping */
     (hashfunc)time_hash,                        /* tp_hash */
@@ -4127,8 +4097,11 @@ datetime_from_timestamp(PyObject *cls, TM_FUNC f, PyObject *timestamp,
     time_t timet;
     long us;
 
-    if (_PyTime_ObjectToTimeval(timestamp, &timet, &us, _PyTime_ROUND_DOWN) == -1)
+    if (_PyTime_ObjectToTimeval(timestamp,
+                                &timet, &us, _PyTime_ROUND_FLOOR) == -1)
         return NULL;
+    assert(0 <= us && us <= 999999);
+
     return datetime_from_timet_and_us(cls, f, timet, (int)us, tzinfo);
 }
 
@@ -4139,10 +4112,14 @@ datetime_from_timestamp(PyObject *cls, TM_FUNC f, PyObject *timestamp,
 static PyObject *
 datetime_best_possible(PyObject *cls, TM_FUNC f, PyObject *tzinfo)
 {
-    _PyTime_timeval t;
-    _PyTime_gettimeofday(&t);
-    return datetime_from_timet_and_us(cls, f, t.tv_sec, (int)t.tv_usec,
-                                      tzinfo);
+    _PyTime_t ts = _PyTime_GetSystemClock();
+    struct timeval tv;
+
+    if (_PyTime_AsTimeval(ts, &tv, _PyTime_ROUND_FLOOR) < 0)
+        return NULL;
+    assert(0 <= tv.tv_usec && tv.tv_usec <= 999999);
+
+    return datetime_from_timet_and_us(cls, f, tv.tv_sec, tv.tv_usec, tzinfo);
 }
 
 /*[clinic input]
@@ -4158,43 +4135,9 @@ Returns new datetime object representing current time local to tz.
 If no tz is specified, uses local timezone.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(datetime_datetime_now__doc__,
-"now($type, /, tz=None)\n"
-"--\n"
-"\n"
-"Returns new datetime object representing current time local to tz.\n"
-"\n"
-"  tz\n"
-"    Timezone object.\n"
-"\n"
-"If no tz is specified, uses local timezone.");
-
-#define DATETIME_DATETIME_NOW_METHODDEF    \
-    {"now", (PyCFunction)datetime_datetime_now, METH_VARARGS|METH_KEYWORDS|METH_CLASS, datetime_datetime_now__doc__},
-
-static PyObject *
-datetime_datetime_now_impl(PyTypeObject *type, PyObject *tz);
-
-static PyObject *
-datetime_datetime_now(PyTypeObject *type, PyObject *args, PyObject *kwargs)
-{
-    PyObject *return_value = NULL;
-    static char *_keywords[] = {"tz", NULL};
-    PyObject *tz = Py_None;
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
-        "|O:now", _keywords,
-        &tz))
-        goto exit;
-    return_value = datetime_datetime_now_impl(type, tz);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
 datetime_datetime_now_impl(PyTypeObject *type, PyObject *tz)
-/*[clinic end generated code: output=583c5637e3c843fa input=80d09869c5267d00]*/
+/*[clinic end generated code: output=b3386e5345e2b47a input=80d09869c5267d00]*/
 {
     PyObject *self;
 
@@ -5056,8 +4999,7 @@ static PyMethodDef datetime_methods[] = {
 
     {"utcfromtimestamp", (PyCFunction)datetime_utcfromtimestamp,
      METH_VARARGS | METH_CLASS,
-     PyDoc_STR("timestamp -> UTC datetime from a POSIX timestamp "
-               "(like time.time()).")},
+     PyDoc_STR("Construct a naive UTC datetime from a POSIX timestamp.")},
 
     {"strptime", (PyCFunction)datetime_strptime,
      METH_VARARGS | METH_CLASS,
diff --git a/Modules/_dbmmodule.c b/Modules/_dbmmodule.c
index 93ea416..6c605ea 100644
--- a/Modules/_dbmmodule.c
+++ b/Modules/_dbmmodule.c
@@ -29,10 +29,10 @@ static char *which_dbm = "Berkeley DB";
 #endif
 
 /*[clinic input]
-module dbm
-class dbm.dbm "dbmobject *" "&Dbmtype"
+module _dbm
+class _dbm.dbm "dbmobject *" "&Dbmtype"
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=92450564684a69a3]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=9b1aa8756d16150e]*/
 
 typedef struct {
     PyObject_HEAD
@@ -40,6 +40,8 @@ typedef struct {
     DBM *di_dbm;
 } dbmobject;
 
+#include "clinic/_dbmmodule.c.h"
+
 static PyTypeObject Dbmtype;
 
 #define is_dbmobject(v) (Py_TYPE(v) == &Dbmtype)
@@ -49,15 +51,6 @@ static PyTypeObject Dbmtype;
 
 static PyObject *DbmError;
 
-/*[python input]
-class dbmobject_converter(self_converter):
-    type = "dbmobject *"
-    def pre_render(self):
-        super().pre_render()
-        self.name = 'dp'
-[python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=6ad536357913879a]*/
-
 static PyObject *
 newdbmobject(const char *file, int flags, int mode)
 {
@@ -181,29 +174,43 @@ static PyMappingMethods dbm_as_mapping = {
     (objobjargproc)dbm_ass_sub,         /*mp_ass_subscript*/
 };
 
+/*[clinic input]
+_dbm.dbm.close
+
+Close the database.
+[clinic start generated code]*/
+
 static PyObject *
-dbm__close(dbmobject *dp, PyObject *unused)
+_dbm_dbm_close_impl(dbmobject *self)
+/*[clinic end generated code: output=c8dc5b6709600b86 input=046db72377d51be8]*/
 {
-    if (dp->di_dbm)
-        dbm_close(dp->di_dbm);
-    dp->di_dbm = NULL;
+    if (self->di_dbm)
+        dbm_close(self->di_dbm);
+    self->di_dbm = NULL;
     Py_INCREF(Py_None);
     return Py_None;
 }
 
+/*[clinic input]
+_dbm.dbm.keys
+
+Return a list of all keys in the database.
+[clinic start generated code]*/
+
 static PyObject *
-dbm_keys(dbmobject *dp, PyObject *unused)
+_dbm_dbm_keys_impl(dbmobject *self)
+/*[clinic end generated code: output=434549f7c121b33c input=d210ba778cd9c68a]*/
 {
     PyObject *v, *item;
     datum key;
     int err;
 
-    check_dbmobject_open(dp);
+    check_dbmobject_open(self);
     v = PyList_New(0);
     if (v == NULL)
         return NULL;
-    for (key = dbm_firstkey(dp->di_dbm); key.dptr;
-         key = dbm_nextkey(dp->di_dbm)) {
+    for (key = dbm_firstkey(self->di_dbm); key.dptr;
+         key = dbm_nextkey(self->di_dbm)) {
         item = PyBytes_FromStringAndSize(key.dptr, key.dsize);
         if (item == NULL) {
             Py_DECREF(v);
@@ -265,58 +272,26 @@ static PySequenceMethods dbm_as_sequence = {
 };
 
 /*[clinic input]
+_dbm.dbm.get
 
-dbm.dbm.get
-
-    self: dbmobject
-
-    key: str(length=True)
-    default: object = None
+    key: str(types={'str', 'robuffer'}, length=True)
+    default: object(c_default="NULL") = b''
     /
 
 Return the value for key if present, otherwise default.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(dbm_dbm_get__doc__,
-"get($self, key, default=None, /)\n"
-"--\n"
-"\n"
-"Return the value for key if present, otherwise default.");
-
-#define DBM_DBM_GET_METHODDEF    \
-    {"get", (PyCFunction)dbm_dbm_get, METH_VARARGS, dbm_dbm_get__doc__},
-
-static PyObject *
-dbm_dbm_get_impl(dbmobject *dp, const char *key, Py_ssize_clean_t key_length, PyObject *default_value);
-
 static PyObject *
-dbm_dbm_get(dbmobject *dp, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    const char *key;
-    Py_ssize_clean_t key_length;
-    PyObject *default_value = Py_None;
-
-    if (!PyArg_ParseTuple(args,
-        "s#|O:get",
-        &key, &key_length, &default_value))
-        goto exit;
-    return_value = dbm_dbm_get_impl(dp, key, key_length, default_value);
-
-exit:
-    return return_value;
-}
-
-static PyObject *
-dbm_dbm_get_impl(dbmobject *dp, const char *key, Py_ssize_clean_t key_length, PyObject *default_value)
-/*[clinic end generated code: output=452ea11394e7e92d input=aecf5efd2f2b1a3b]*/
+_dbm_dbm_get_impl(dbmobject *self, const char *key,
+                  Py_ssize_clean_t key_length, PyObject *default_value)
+/*[clinic end generated code: output=b44f95eba8203d93 input=fee97bbe85e84822]*/
 {
     datum dbm_key, val;
 
     dbm_key.dptr = (char *)key;
     dbm_key.dsize = key_length;
-    check_dbmobject_open(dp);
-    val = dbm_fetch(dp->di_dbm, dbm_key);
+    check_dbmobject_open(self);
+    val = dbm_fetch(self->di_dbm, dbm_key);
     if (val.dptr != NULL)
         return PyBytes_FromStringAndSize(val.dptr, val.dsize);
 
@@ -324,46 +299,55 @@ dbm_dbm_get_impl(dbmobject *dp, const char *key, Py_ssize_clean_t key_length, Py
     return default_value;
 }
 
+/*[clinic input]
+_dbm.dbm.setdefault
+    key: str(types={'str', 'robuffer'}, length=True)
+    default: object(c_default="NULL") = b''
+    /
+
+Return the value for key if present, otherwise default.
+
+If key is not in the database, it is inserted with default as the value.
+[clinic start generated code]*/
+
 static PyObject *
-dbm_setdefault(dbmobject *dp, PyObject *args)
+_dbm_dbm_setdefault_impl(dbmobject *self, const char *key,
+                         Py_ssize_clean_t key_length,
+                         PyObject *default_value)
+/*[clinic end generated code: output=52545886cf272161 input=6a3b99ae91f20203]*/
 {
-    datum key, val;
-    PyObject *defvalue = NULL;
-    char *tmp_ptr;
+    datum dbm_key, val;
     Py_ssize_t tmp_size;
 
-    if (!PyArg_ParseTuple(args, "s#|O:setdefault",
-                          &tmp_ptr, &tmp_size, &defvalue))
-        return NULL;
-    key.dptr = tmp_ptr;
-    key.dsize = tmp_size;
-    check_dbmobject_open(dp);
-    val = dbm_fetch(dp->di_dbm, key);
+    dbm_key.dptr = (char *)key;
+    dbm_key.dsize = key_length;
+    check_dbmobject_open(self);
+    val = dbm_fetch(self->di_dbm, dbm_key);
     if (val.dptr != NULL)
         return PyBytes_FromStringAndSize(val.dptr, val.dsize);
-    if (defvalue == NULL) {
-        defvalue = PyBytes_FromStringAndSize(NULL, 0);
-        if (defvalue == NULL)
+    if (default_value == NULL) {
+        default_value = PyBytes_FromStringAndSize(NULL, 0);
+        if (default_value == NULL)
             return NULL;
         val.dptr = NULL;
         val.dsize = 0;
     }
     else {
-        if ( !PyArg_Parse(defvalue, "s#", &val.dptr, &tmp_size) ) {
+        if ( !PyArg_Parse(default_value, "s#", &val.dptr, &tmp_size) ) {
             PyErr_SetString(PyExc_TypeError,
                 "dbm mappings have byte string elements only");
             return NULL;
         }
         val.dsize = tmp_size;
-        Py_INCREF(defvalue);
+        Py_INCREF(default_value);
     }
-    if (dbm_store(dp->di_dbm, key, val, DBM_INSERT) < 0) {
-        dbm_clearerr(dp->di_dbm);
+    if (dbm_store(self->di_dbm, dbm_key, val, DBM_INSERT) < 0) {
+        dbm_clearerr(self->di_dbm);
         PyErr_SetString(DbmError, "cannot add item to database");
-        Py_DECREF(defvalue);
+        Py_DECREF(default_value);
         return NULL;
     }
-    return defvalue;
+    return default_value;
 }
 
 static PyObject *
@@ -382,15 +366,10 @@ dbm__exit__(PyObject *self, PyObject *args)
 
 
 static PyMethodDef dbm_methods[] = {
-    {"close",           (PyCFunction)dbm__close,        METH_NOARGS,
-     "close()\nClose the database."},
-    {"keys",            (PyCFunction)dbm_keys,          METH_NOARGS,
-     "keys() -> list\nReturn a list of all keys in the database."},
-    DBM_DBM_GET_METHODDEF
-    {"setdefault",      (PyCFunction)dbm_setdefault,    METH_VARARGS,
-     "setdefault(key[, default]) -> value\n"
-     "Return the value for key if present, otherwise default.  If key\n"
-     "is not in the database, it is inserted with default as the value."},
+    _DBM_DBM_CLOSE_METHODDEF
+    _DBM_DBM_KEYS_METHODDEF
+    _DBM_DBM_GET_METHODDEF
+    _DBM_DBM_SETDEFAULT_METHODDEF
     {"__enter__", dbm__enter__, METH_NOARGS, NULL},
     {"__exit__",  dbm__exit__, METH_VARARGS, NULL},
     {NULL,              NULL}           /* sentinel */
@@ -431,7 +410,7 @@ static PyTypeObject Dbmtype = {
 
 /*[clinic input]
 
-dbm.open as dbmopen
+_dbm.open as dbmopen
 
     filename: str
         The filename to open.
@@ -449,47 +428,10 @@ Return a database object.
 
 [clinic start generated code]*/
 
-PyDoc_STRVAR(dbmopen__doc__,
-"open($module, filename, flags=\'r\', mode=0o666, /)\n"
-"--\n"
-"\n"
-"Return a database object.\n"
-"\n"
-"  filename\n"
-"    The filename to open.\n"
-"  flags\n"
-"    How to open the file.  \"r\" for reading, \"w\" for writing, etc.\n"
-"  mode\n"
-"    If creating a new file, the mode bits for the new file\n"
-"    (e.g. os.O_RDWR).");
-
-#define DBMOPEN_METHODDEF    \
-    {"open", (PyCFunction)dbmopen, METH_VARARGS, dbmopen__doc__},
-
-static PyObject *
-dbmopen_impl(PyModuleDef *module, const char *filename, const char *flags, int mode);
-
-static PyObject *
-dbmopen(PyModuleDef *module, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    const char *filename;
-    const char *flags = "r";
-    int mode = 438;
-
-    if (!PyArg_ParseTuple(args,
-        "s|si:open",
-        &filename, &flags, &mode))
-        goto exit;
-    return_value = dbmopen_impl(module, filename, flags, mode);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
-dbmopen_impl(PyModuleDef *module, const char *filename, const char *flags, int mode)
-/*[clinic end generated code: output=9a7b725f9c4dcec2 input=6499ab0fab1333ac]*/
+dbmopen_impl(PyModuleDef *module, const char *filename, const char *flags,
+             int mode)
+/*[clinic end generated code: output=e8d4b36f25c733fd input=226334bade5764e6]*/
 {
     int iflags;
 
diff --git a/Modules/_decimal/_decimal.c b/Modules/_decimal/_decimal.c
index f000887..169914c 100644
--- a/Modules/_decimal/_decimal.c
+++ b/Modules/_decimal/_decimal.c
@@ -5640,7 +5640,7 @@ PyInit__decimal(void)
             goto error; /* GCOV_NOT_REACHED */
         }
 
-        ASSIGN_PTR(cm->ex, PyErr_NewException((char *)cm->fqname, base, NULL));
+        ASSIGN_PTR(cm->ex, PyErr_NewException(cm->fqname, base, NULL));
         Py_DECREF(base);
 
         /* add to module */
@@ -5672,7 +5672,7 @@ PyInit__decimal(void)
             goto error; /* GCOV_NOT_REACHED */
         }
 
-        ASSIGN_PTR(cm->ex, PyErr_NewException((char *)cm->fqname, base, NULL));
+        ASSIGN_PTR(cm->ex, PyErr_NewException(cm->fqname, base, NULL));
         Py_DECREF(base);
 
         Py_INCREF(cm->ex);
diff --git a/Modules/_decimal/docstrings.h b/Modules/_decimal/docstrings.h
index a6490b9..71029a9 100644
--- a/Modules/_decimal/docstrings.h
+++ b/Modules/_decimal/docstrings.h
@@ -19,26 +19,30 @@
 PyDoc_STRVAR(doc__decimal,
 "C decimal arithmetic module");
 
-PyDoc_STRVAR(doc_getcontext,"\n\
-getcontext() - Get the current default context.\n\
+PyDoc_STRVAR(doc_getcontext,
+"getcontext($module, /)\n--\n\n\
+Get the current default context.\n\
 \n");
 
-PyDoc_STRVAR(doc_setcontext,"\n\
-setcontext(c) - Set a new default context.\n\
+PyDoc_STRVAR(doc_setcontext,
+"setcontext($module, context, /)\n--\n\n\
+Set a new default context.\n\
 \n");
 
-PyDoc_STRVAR(doc_localcontext,"\n\
-localcontext(ctx=None) - Return a context manager that will set the default\n\
-context to a copy of ctx on entry to the with-statement and restore the\n\
-previous default context when exiting the with-statement. If no context is\n\
-specified, a copy of the current default context is used.\n\
+PyDoc_STRVAR(doc_localcontext,
+"localcontext($module, /, ctx=None)\n--\n\n\
+Return a context manager that will set the default context to a copy of ctx\n\
+on entry to the with-statement and restore the previous default context when\n\
+exiting the with-statement. If no context is specified, a copy of the current\n\
+default context is used.\n\
 \n");
 
 #ifdef EXTRA_FUNCTIONALITY
-PyDoc_STRVAR(doc_ieee_context,"\n\
-IEEEContext(bits) - Return a context object initialized to the proper values for\n\
-one of the IEEE interchange formats. The argument must be a multiple of 32 and\n\
-less than IEEE_CONTEXT_MAX_BITS. For the most common values, the constants\n\
+PyDoc_STRVAR(doc_ieee_context,
+"IEEEContext($module, bits, /)\n--\n\n\
+Return a context object initialized to the proper values for one of the\n\
+IEEE interchange formats.  The argument must be a multiple of 32 and less\n\
+than IEEE_CONTEXT_MAX_BITS.  For the most common values, the constants\n\
 DECIMAL32, DECIMAL64 and DECIMAL128 are provided.\n\
 \n");
 #endif
@@ -48,32 +52,34 @@ DECIMAL32, DECIMAL64 and DECIMAL128 are provided.\n\
 /*                       Decimal Object and Methods                           */
 /******************************************************************************/
 
-PyDoc_STRVAR(doc_decimal,"\n\
-Decimal(value=\"0\", context=None): Construct a new Decimal object.\n\
-value can be an integer, string, tuple, or another Decimal object.\n\
-If no value is given, return Decimal('0'). The context does not affect\n\
-the conversion and is only passed to determine if the InvalidOperation\n\
-trap is active.\n\
+PyDoc_STRVAR(doc_decimal,
+"Decimal(value=\"0\", context=None)\n--\n\n\
+Construct a new Decimal object. 'value' can be an integer, string, tuple,\n\
+or another Decimal object. If no value is given, return Decimal('0'). The\n\
+context does not affect the conversion and is only passed to determine if\n\
+the InvalidOperation trap is active.\n\
 \n");
 
-PyDoc_STRVAR(doc_adjusted,"\n\
-adjusted() - Return the adjusted exponent of the number.\n\
-\n\
-Defined as exp + digits - 1.\n\
+PyDoc_STRVAR(doc_adjusted,
+"adjusted($self, /)\n--\n\n\
+Return the adjusted exponent of the number.  Defined as exp + digits - 1.\n\
 \n");
 
-PyDoc_STRVAR(doc_as_tuple,"\n\
-as_tuple() - Return a tuple representation of the number.\n\
+PyDoc_STRVAR(doc_as_tuple,
+"as_tuple($self, /)\n--\n\n\
+Return a tuple representation of the number.\n\
 \n");
 
-PyDoc_STRVAR(doc_canonical,"\n\
-canonical() - Return the canonical encoding of the argument. Currently,\n\
-the encoding of a Decimal instance is always canonical, so this operation\n\
-returns its argument unchanged.\n\
+PyDoc_STRVAR(doc_canonical,
+"canonical($self, /)\n--\n\n\
+Return the canonical encoding of the argument.  Currently, the encoding\n\
+of a Decimal instance is always canonical, so this operation returns its\n\
+argument unchanged.\n\
 \n");
 
-PyDoc_STRVAR(doc_compare,"\n\
-compare(other, context=None) - Compare self to other. Return a decimal value:\n\
+PyDoc_STRVAR(doc_compare,
+"compare($self, /, other, context=None)\n--\n\n\
+Compare self to other.  Return a decimal value:\n\
 \n\
     a or b is a NaN ==> Decimal('NaN')\n\
     a < b           ==> Decimal('-1')\n\
@@ -81,17 +87,18 @@ compare(other, context=None) - Compare self to other. Return a decimal value:\n\
     a > b           ==> Decimal('1')\n\
 \n");
 
-PyDoc_STRVAR(doc_compare_signal,"\n\
-compare_signal(other, context=None) - Identical to compare, except that\n\
-all NaNs signal.\n\
+PyDoc_STRVAR(doc_compare_signal,
+"compare_signal($self, /, other, context=None)\n--\n\n\
+Identical to compare, except that all NaNs signal.\n\
 \n");
 
-PyDoc_STRVAR(doc_compare_total,"\n\
-compare_total(other, context=None) - Compare two operands using their\n\
-abstract representation rather than their numerical value. Similar to the\n\
-compare() method, but the result gives a total ordering on Decimal instances.\n\
-Two Decimal instances with the same numeric value but different representations\n\
-compare unequal in this ordering:\n\
+PyDoc_STRVAR(doc_compare_total,
+"compare_total($self, /, other, context=None)\n--\n\n\
+Compare two operands using their abstract representation rather than\n\
+their numerical value.  Similar to the compare() method, but the result\n\
+gives a total ordering on Decimal instances.  Two Decimal instances with\n\
+the same numeric value but different representations compare unequal\n\
+in this ordering:\n\
 \n\
     >>> Decimal('12.0').compare_total(Decimal('12'))\n\
     Decimal('-1')\n\
@@ -107,36 +114,39 @@ and no rounding is performed. As an exception, the C version may raise\n\
 InvalidOperation if the second operand cannot be converted exactly.\n\
 \n");
 
-PyDoc_STRVAR(doc_compare_total_mag,"\n\
-compare_total_mag(other, context=None) - Compare two operands using their\n\
-abstract representation rather than their value as in compare_total(), but\n\
-ignoring the sign of each operand. x.compare_total_mag(y) is equivalent to\n\
-x.copy_abs().compare_total(y.copy_abs()).\n\
+PyDoc_STRVAR(doc_compare_total_mag,
+"compare_total_mag($self, /, other, context=None)\n--\n\n\
+Compare two operands using their abstract representation rather than their\n\
+value as in compare_total(), but ignoring the sign of each operand.\n\
+\n\
+x.compare_total_mag(y) is equivalent to x.copy_abs().compare_total(y.copy_abs()).\n\
 \n\
 This operation is unaffected by context and is quiet: no flags are changed\n\
 and no rounding is performed. As an exception, the C version may raise\n\
 InvalidOperation if the second operand cannot be converted exactly.\n\
 \n");
 
-PyDoc_STRVAR(doc_conjugate,"\n\
-conjugate() - Return self.\n\
+PyDoc_STRVAR(doc_conjugate,
+"conjugate($self, /)\n--\n\n\
+Return self.\n\
 \n");
 
-PyDoc_STRVAR(doc_copy_abs,"\n\
-copy_abs() - Return the absolute value of the argument. This operation\n\
-is unaffected by context and is quiet: no flags are changed and no rounding\n\
-is performed.\n\
+PyDoc_STRVAR(doc_copy_abs,
+"copy_abs($self, /)\n--\n\n\
+Return the absolute value of the argument.  This operation is unaffected by\n\
+context and is quiet: no flags are changed and no rounding is performed.\n\
 \n");
 
-PyDoc_STRVAR(doc_copy_negate,"\n\
-copy_negate() - Return the negation of the argument. This operation is\n\
-unaffected by context and is quiet: no flags are changed and no rounding\n\
-is performed.\n\
+PyDoc_STRVAR(doc_copy_negate,
+"copy_negate($self, /)\n--\n\n\
+Return the negation of the argument.  This operation is unaffected by context\n\
+and is quiet: no flags are changed and no rounding is performed.\n\
 \n");
 
-PyDoc_STRVAR(doc_copy_sign,"\n\
-copy_sign(other, context=None) - Return a copy of the first operand with\n\
-the sign set to be the same as the sign of the second operand. For example:\n\
+PyDoc_STRVAR(doc_copy_sign,
+"copy_sign($self, /, other, context=None)\n--\n\n\
+Return a copy of the first operand with the sign set to be the same as the\n\
+sign of the second operand. For example:\n\
 \n\
     >>> Decimal('2.3').copy_sign(Decimal('-1.5'))\n\
     Decimal('-2.3')\n\
@@ -146,14 +156,16 @@ and no rounding is performed. As an exception, the C version may raise\n\
 InvalidOperation if the second operand cannot be converted exactly.\n\
 \n");
 
-PyDoc_STRVAR(doc_exp,"\n\
-exp(context=None) - Return the value of the (natural) exponential function\n\
-e**x at the given number. The function always uses the ROUND_HALF_EVEN mode\n\
-and the result is correctly rounded.\n\
+PyDoc_STRVAR(doc_exp,
+"exp($self, /, context=None)\n--\n\n\
+Return the value of the (natural) exponential function e**x at the given\n\
+number.  The function always uses the ROUND_HALF_EVEN mode and the result\n\
+is correctly rounded.\n\
 \n");
 
-PyDoc_STRVAR(doc_from_float,"\n\
-from_float(f) - Class method that converts a float to a decimal number, exactly.\n\
+PyDoc_STRVAR(doc_from_float,
+"from_float($type, f, /)\n--\n\n\
+Class method that converts a float to a decimal number, exactly.\n\
 Since 0.1 is not exactly representable in binary floating point,\n\
 Decimal.from_float(0.1) is not the same as Decimal('0.1').\n\
 \n\
@@ -168,155 +180,176 @@ Decimal.from_float(0.1) is not the same as Decimal('0.1').\n\
 \n\
 \n");
 
-PyDoc_STRVAR(doc_fma,"\n\
-fma(other, third, context=None) - Fused multiply-add. Return self*other+third\n\
-with no rounding of the intermediate product self*other.\n\
+PyDoc_STRVAR(doc_fma,
+"fma($self, /, other, third, context=None)\n--\n\n\
+Fused multiply-add.  Return self*other+third with no rounding of the\n\
+intermediate product self*other.\n\
 \n\
     >>> Decimal(2).fma(3, 5)\n\
     Decimal('11')\n\
 \n\
 \n");
 
-PyDoc_STRVAR(doc_is_canonical,"\n\
-is_canonical() - Return True if the argument is canonical and False otherwise.\n\
-Currently, a Decimal instance is always canonical, so this operation always\n\
-returns True.\n\
+PyDoc_STRVAR(doc_is_canonical,
+"is_canonical($self, /)\n--\n\n\
+Return True if the argument is canonical and False otherwise.  Currently,\n\
+a Decimal instance is always canonical, so this operation always returns\n\
+True.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_finite,"\n\
-is_finite() - Return True if the argument is a finite number, and False if the\n\
-argument is infinite or a NaN.\n\
+PyDoc_STRVAR(doc_is_finite,
+"is_finite($self, /)\n--\n\n\
+Return True if the argument is a finite number, and False if the argument\n\
+is infinite or a NaN.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_infinite,"\n\
-is_infinite() - Return True if the argument is either positive or negative\n\
-infinity and False otherwise.\n\
+PyDoc_STRVAR(doc_is_infinite,
+"is_infinite($self, /)\n--\n\n\
+Return True if the argument is either positive or negative infinity and\n\
+False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_nan,"\n\
-is_nan() - Return True if the argument is a (quiet or signaling) NaN and\n\
-False otherwise.\n\
+PyDoc_STRVAR(doc_is_nan,
+"is_nan($self, /)\n--\n\n\
+Return True if the argument is a (quiet or signaling) NaN and False\n\
+otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_normal,"\n\
-is_normal(context=None) - Return True if the argument is a normal finite\n\
-non-zero number with an adjusted exponent greater than or equal to Emin.\n\
-Return False if the argument is zero, subnormal, infinite or a NaN.\n\
+PyDoc_STRVAR(doc_is_normal,
+"is_normal($self, /, context=None)\n--\n\n\
+Return True if the argument is a normal finite non-zero number with an\n\
+adjusted exponent greater than or equal to Emin. Return False if the\n\
+argument is zero, subnormal, infinite or a NaN.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_qnan,"\n\
-is_qnan() - Return True if the argument is a quiet NaN, and False otherwise.\n\
+PyDoc_STRVAR(doc_is_qnan,
+"is_qnan($self, /)\n--\n\n\
+Return True if the argument is a quiet NaN, and False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_signed,"\n\
-is_signed() - Return True if the argument has a negative sign and\n\
-False otherwise. Note that both zeros and NaNs can carry signs.\n\
+PyDoc_STRVAR(doc_is_signed,
+"is_signed($self, /)\n--\n\n\
+Return True if the argument has a negative sign and False otherwise.\n\
+Note that both zeros and NaNs can carry signs.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_snan,"\n\
-is_snan() - Return True if the argument is a signaling NaN and False otherwise.\n\
+PyDoc_STRVAR(doc_is_snan,
+"is_snan($self, /)\n--\n\n\
+Return True if the argument is a signaling NaN and False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_subnormal,"\n\
-is_subnormal(context=None) - Return True if the argument is subnormal, and\n\
-False otherwise. A number is subnormal if it is non-zero, finite, and has an\n\
-adjusted exponent less than Emin.\n\
+PyDoc_STRVAR(doc_is_subnormal,
+"is_subnormal($self, /, context=None)\n--\n\n\
+Return True if the argument is subnormal, and False otherwise. A number is\n\
+subnormal if it is non-zero, finite, and has an adjusted exponent less\n\
+than Emin.\n\
 \n");
 
-PyDoc_STRVAR(doc_is_zero,"\n\
-is_zero() - Return True if the argument is a (positive or negative) zero and\n\
-False otherwise.\n\
+PyDoc_STRVAR(doc_is_zero,
+"is_zero($self, /)\n--\n\n\
+Return True if the argument is a (positive or negative) zero and False\n\
+otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ln,"\n\
-ln(context=None) - Return the natural (base e) logarithm of the operand.\n\
-The function always uses the ROUND_HALF_EVEN mode and the result is\n\
-correctly rounded.\n\
+PyDoc_STRVAR(doc_ln,
+"ln($self, /, context=None)\n--\n\n\
+Return the natural (base e) logarithm of the operand. The function always\n\
+uses the ROUND_HALF_EVEN mode and the result is correctly rounded.\n\
 \n");
 
-PyDoc_STRVAR(doc_log10,"\n\
-log10(context=None) - Return the base ten logarithm of the operand.\n\
-The function always uses the ROUND_HALF_EVEN mode and the result is\n\
-correctly rounded.\n\
+PyDoc_STRVAR(doc_log10,
+"log10($self, /, context=None)\n--\n\n\
+Return the base ten logarithm of the operand. The function always uses the\n\
+ROUND_HALF_EVEN mode and the result is correctly rounded.\n\
 \n");
 
-PyDoc_STRVAR(doc_logb,"\n\
-logb(context=None) - For a non-zero number, return the adjusted exponent\n\
-of the operand as a Decimal instance. If the operand is a zero, then\n\
-Decimal('-Infinity') is returned and the DivisionByZero condition is\n\
-raised. If the operand is an infinity then Decimal('Infinity') is returned.\n\
+PyDoc_STRVAR(doc_logb,
+"logb($self, /, context=None)\n--\n\n\
+For a non-zero number, return the adjusted exponent of the operand as a\n\
+Decimal instance.  If the operand is a zero, then Decimal('-Infinity') is\n\
+returned and the DivisionByZero condition is raised. If the operand is\n\
+an infinity then Decimal('Infinity') is returned.\n\
 \n");
 
-PyDoc_STRVAR(doc_logical_and,"\n\
-logical_and(other, context=None) - Return the digit-wise and of the two\n\
-(logical) operands.\n\
+PyDoc_STRVAR(doc_logical_and,
+"logical_and($self, /, other, context=None)\n--\n\n\
+Return the digit-wise 'and' of the two (logical) operands.\n\
 \n");
 
-PyDoc_STRVAR(doc_logical_invert,"\n\
-logical_invert(context=None) - Return the digit-wise inversion of the\n\
-(logical) operand.\n\
+PyDoc_STRVAR(doc_logical_invert,
+"logical_invert($self, /, context=None)\n--\n\n\
+Return the digit-wise inversion of the (logical) operand.\n\
 \n");
 
-PyDoc_STRVAR(doc_logical_or,"\n\
-logical_or(other, context=None) - Return the digit-wise or of the two\n\
-(logical) operands.\n\
+PyDoc_STRVAR(doc_logical_or,
+"logical_or($self, /, other, context=None)\n--\n\n\
+Return the digit-wise 'or' of the two (logical) operands.\n\
 \n");
 
-PyDoc_STRVAR(doc_logical_xor,"\n\
-logical_xor(other, context=None) - Return the digit-wise exclusive or of the\n\
-two (logical) operands.\n\
+PyDoc_STRVAR(doc_logical_xor,
+"logical_xor($self, /, other, context=None)\n--\n\n\
+Return the digit-wise 'exclusive or' of the two (logical) operands.\n\
 \n");
 
-PyDoc_STRVAR(doc_max,"\n\
-max(other, context=None) - Maximum of self and other. If one operand is a\n\
-quiet NaN and the other is numeric, the numeric operand is returned.\n\
+PyDoc_STRVAR(doc_max,
+"max($self, /, other, context=None)\n--\n\n\
+Maximum of self and other.  If one operand is a quiet NaN and the other is\n\
+numeric, the numeric operand is returned.\n\
 \n");
 
-PyDoc_STRVAR(doc_max_mag,"\n\
-max_mag(other, context=None) - Similar to the max() method, but the\n\
-comparison is done using the absolute values of the operands.\n\
+PyDoc_STRVAR(doc_max_mag,
+"max_mag($self, /, other, context=None)\n--\n\n\
+Similar to the max() method, but the comparison is done using the absolute\n\
+values of the operands.\n\
 \n");
 
-PyDoc_STRVAR(doc_min,"\n\
-min(other, context=None) - Minimum of self and other. If one operand is a\n\
-quiet NaN and the other is numeric, the numeric operand is returned.\n\
+PyDoc_STRVAR(doc_min,
+"min($self, /, other, context=None)\n--\n\n\
+Minimum of self and other. If one operand is a quiet NaN and the other is\n\
+numeric, the numeric operand is returned.\n\
 \n");
 
-PyDoc_STRVAR(doc_min_mag,"\n\
-min_mag(other, context=None) - Similar to the min() method, but the\n\
-comparison is done using the absolute values of the operands.\n\
+PyDoc_STRVAR(doc_min_mag,
+"min_mag($self, /, other, context=None)\n--\n\n\
+Similar to the min() method, but the comparison is done using the absolute\n\
+values of the operands.\n\
 \n");
 
-PyDoc_STRVAR(doc_next_minus,"\n\
-next_minus(context=None) - Return the largest number representable in the\n\
-given context (or in the current default context if no context is given) that\n\
-is smaller than the given operand.\n\
+PyDoc_STRVAR(doc_next_minus,
+"next_minus($self, /, context=None)\n--\n\n\
+Return the largest number representable in the given context (or in the\n\
+current default context if no context is given) that is smaller than the\n\
+given operand.\n\
 \n");
 
-PyDoc_STRVAR(doc_next_plus,"\n\
-next_plus(context=None) - Return the smallest number representable in the\n\
-given context (or in the current default context if no context is given) that\n\
-is larger than the given operand.\n\
+PyDoc_STRVAR(doc_next_plus,
+"next_plus($self, /, context=None)\n--\n\n\
+Return the smallest number representable in the given context (or in the\n\
+current default context if no context is given) that is larger than the\n\
+given operand.\n\
 \n");
 
-PyDoc_STRVAR(doc_next_toward,"\n\
-next_toward(other, context=None) - If the two operands are unequal, return\n\
-the number closest to the first operand in the direction of the second operand.\n\
-If both operands are numerically equal, return a copy of the first operand\n\
-with the sign set to be the same as the sign of the second operand.\n\
+PyDoc_STRVAR(doc_next_toward,
+"next_toward($self, /, other, context=None)\n--\n\n\
+If the two operands are unequal, return the number closest to the first\n\
+operand in the direction of the second operand.  If both operands are\n\
+numerically equal, return a copy of the first operand with the sign set\n\
+to be the same as the sign of the second operand.\n\
 \n");
 
-PyDoc_STRVAR(doc_normalize,"\n\
-normalize(context=None) - Normalize the number by stripping the rightmost\n\
-trailing zeros and converting any result equal to Decimal('0') to Decimal('0e0').\n\
-Used for producing canonical values for members of an equivalence class. For\n\
-example, Decimal('32.100') and Decimal('0.321000e+2') both normalize to the\n\
-equivalent value Decimal('32.1').\n\
+PyDoc_STRVAR(doc_normalize,
+"normalize($self, /, context=None)\n--\n\n\
+Normalize the number by stripping the rightmost trailing zeros and\n\
+converting any result equal to Decimal('0') to Decimal('0e0').  Used\n\
+for producing canonical values for members of an equivalence class.\n\
+For example, Decimal('32.100') and Decimal('0.321000e+2') both normalize\n\
+to the equivalent value Decimal('32.1').\n\
 \n");
 
-PyDoc_STRVAR(doc_number_class,"\n\
-number_class(context=None) - Return a string describing the class of the\n\
-operand. The returned value is one of the following ten strings:\n\
+PyDoc_STRVAR(doc_number_class,
+"number_class($self, /, context=None)\n--\n\n\
+Return a string describing the class of the operand.  The returned value\n\
+is one of the following ten strings:\n\
 \n\
     * '-Infinity', indicating that the operand is negative infinity.\n\
     * '-Normal', indicating that the operand is a negative normal number.\n\
@@ -331,9 +364,10 @@ operand. The returned value is one of the following ten strings:\n\
 \n\
 \n");
 
-PyDoc_STRVAR(doc_quantize,"\n\
-quantize(exp, rounding=None, context=None) - Return a value equal to the\n\
-first operand after rounding and having the exponent of the second operand.\n\
+PyDoc_STRVAR(doc_quantize,
+"quantize($self, /, exp, rounding=None, context=None)\n--\n\n\
+Return a value equal to the first operand after rounding and having the\n\
+exponent of the second operand.\n\
 \n\
     >>> Decimal('1.41421356').quantize(Decimal('1.000'))\n\
     Decimal('1.414')\n\
@@ -352,93 +386,98 @@ rounding argument if given, else by the given context argument; if neither\n\
 argument is given, the rounding mode of the current thread's context is used.\n\
 \n");
 
-PyDoc_STRVAR(doc_radix,"\n\
-radix() - Return Decimal(10), the radix (base) in which the Decimal class does\n\
+PyDoc_STRVAR(doc_radix,
+"radix($self, /)\n--\n\n\
+Return Decimal(10), the radix (base) in which the Decimal class does\n\
 all its arithmetic. Included for compatibility with the specification.\n\
 \n");
 
-PyDoc_STRVAR(doc_remainder_near,"\n\
-remainder_near(other, context=None) - Return the remainder from dividing\n\
-self by other. This differs from self % other in that the sign of the\n\
-remainder is chosen so as to minimize its absolute value. More precisely, the\n\
-return value is self - n * other where n is the integer nearest to the exact\n\
-value of self / other, and if two integers are equally near then the even one\n\
-is chosen.\n\
+PyDoc_STRVAR(doc_remainder_near,
+"remainder_near($self, /, other, context=None)\n--\n\n\
+Return the remainder from dividing self by other.  This differs from\n\
+self % other in that the sign of the remainder is chosen so as to minimize\n\
+its absolute value. More precisely, the return value is self - n * other\n\
+where n is the integer nearest to the exact value of self / other, and\n\
+if two integers are equally near then the even one is chosen.\n\
 \n\
 If the result is zero then its sign will be the sign of self.\n\
 \n");
 
-PyDoc_STRVAR(doc_rotate,"\n\
-rotate(other, context=None) - Return the result of rotating the digits of the\n\
-first operand by an amount specified by the second operand. The second operand\n\
-must be an integer in the range -precision through precision. The absolute\n\
-value of the second operand gives the number of places to rotate. If the second\n\
-operand is positive then rotation is to the left; otherwise rotation is to the\n\
-right. The coefficient of the first operand is padded on the left with zeros to\n\
+PyDoc_STRVAR(doc_rotate,
+"rotate($self, /, other, context=None)\n--\n\n\
+Return the result of rotating the digits of the first operand by an amount\n\
+specified by the second operand.  The second operand must be an integer in\n\
+the range -precision through precision. The absolute value of the second\n\
+operand gives the number of places to rotate. If the second operand is\n\
+positive then rotation is to the left; otherwise rotation is to the right.\n\
+The coefficient of the first operand is padded on the left with zeros to\n\
 length precision if necessary. The sign and exponent of the first operand are\n\
 unchanged.\n\
 \n");
 
-PyDoc_STRVAR(doc_same_quantum,"\n\
-same_quantum(other, context=None) - Test whether self and other have the\n\
-same exponent or whether both are NaN.\n\
+PyDoc_STRVAR(doc_same_quantum,
+"same_quantum($self, /, other, context=None)\n--\n\n\
+Test whether self and other have the same exponent or whether both are NaN.\n\
 \n\
 This operation is unaffected by context and is quiet: no flags are changed\n\
 and no rounding is performed. As an exception, the C version may raise\n\
 InvalidOperation if the second operand cannot be converted exactly.\n\
 \n");
 
-PyDoc_STRVAR(doc_scaleb,"\n\
-scaleb(other, context=None) - Return the first operand with the exponent\n\
-adjusted the second. Equivalently, return the first operand multiplied by\n\
-10**other. The second operand must be an integer.\n\
+PyDoc_STRVAR(doc_scaleb,
+"scaleb($self, /, other, context=None)\n--\n\n\
+Return the first operand with the exponent adjusted the second.  Equivalently,\n\
+return the first operand multiplied by 10**other. The second operand must be\n\
+an integer.\n\
 \n");
 
-PyDoc_STRVAR(doc_shift,"\n\
-shift(other, context=None) - Return the result of shifting the digits of\n\
-the first operand by an amount specified by the second operand. The second\n\
-operand must be an integer in the range -precision through precision. The\n\
-absolute value of the second operand gives the number of places to shift.\n\
-If the second operand is positive, then the shift is to the left; otherwise\n\
-the shift is to the right. Digits shifted into the coefficient are zeros.\n\
-The sign and exponent of the first operand are unchanged.\n\
+PyDoc_STRVAR(doc_shift,
+"shift($self, /, other, context=None)\n--\n\n\
+Return the result of shifting the digits of the first operand by an amount\n\
+specified by the second operand.  The second operand must be an integer in\n\
+the range -precision through precision. The absolute value of the second\n\
+operand gives the number of places to shift. If the second operand is\n\
+positive, then the shift is to the left; otherwise the shift is to the\n\
+right. Digits shifted into the coefficient are zeros. The sign and exponent\n\
+of the first operand are unchanged.\n\
 \n");
 
-PyDoc_STRVAR(doc_sqrt,"\n\
-sqrt(context=None) - Return the square root of the argument to full precision.\n\
-The result is correctly rounded using the ROUND_HALF_EVEN rounding mode.\n\
+PyDoc_STRVAR(doc_sqrt,
+"sqrt($self, /, context=None)\n--\n\n\
+Return the square root of the argument to full precision. The result is\n\
+correctly rounded using the ROUND_HALF_EVEN rounding mode.\n\
 \n");
 
-PyDoc_STRVAR(doc_to_eng_string,"\n\
-to_eng_string(context=None) - Convert to an engineering-type string.\n\
-Engineering notation has an exponent which is a multiple of 3, so there\n\
-are up to 3 digits left of the decimal place. For example, Decimal('123E+1')\n\
-is converted to Decimal('1.23E+3').\n\
+PyDoc_STRVAR(doc_to_eng_string,
+"to_eng_string($self, /, context=None)\n--\n\n\
+Convert to an engineering-type string.  Engineering notation has an exponent\n\
+which is a multiple of 3, so there are up to 3 digits left of the decimal\n\
+place. For example, Decimal('123E+1') is converted to Decimal('1.23E+3').\n\
 \n\
 The value of context.capitals determines whether the exponent sign is lower\n\
 or upper case. Otherwise, the context does not affect the operation.\n\
 \n");
 
-PyDoc_STRVAR(doc_to_integral,"\n\
-to_integral(rounding=None, context=None) - Identical to the\n\
-to_integral_value() method. The to_integral() name has been kept\n\
-for compatibility with older versions.\n\
+PyDoc_STRVAR(doc_to_integral,
+"to_integral($self, /, rounding=None, context=None)\n--\n\n\
+Identical to the to_integral_value() method.  The to_integral() name has been\n\
+kept for compatibility with older versions.\n\
 \n");
 
-PyDoc_STRVAR(doc_to_integral_exact,"\n\
-to_integral_exact(rounding=None, context=None) - Round to the nearest\n\
-integer, signaling Inexact or Rounded as appropriate if rounding occurs.\n\
-The rounding mode is determined by the rounding parameter if given, else\n\
-by the given context. If neither parameter is given, then the rounding mode\n\
-of the current default context is used.\n\
+PyDoc_STRVAR(doc_to_integral_exact,
+"to_integral_exact($self, /, rounding=None, context=None)\n--\n\n\
+Round to the nearest integer, signaling Inexact or Rounded as appropriate if\n\
+rounding occurs.  The rounding mode is determined by the rounding parameter\n\
+if given, else by the given context. If neither parameter is given, then the\n\
+rounding mode of the current default context is used.\n\
 \n");
 
-PyDoc_STRVAR(doc_to_integral_value,"\n\
-to_integral_value(rounding=None, context=None) - Round to the nearest\n\
-integer without signaling Inexact or Rounded. The rounding mode is determined\n\
-by the rounding parameter if given, else by the given context. If neither\n\
-parameter is given, then the rounding mode of the current default context is\n\
-used.\n\
+PyDoc_STRVAR(doc_to_integral_value,
+"to_integral_value($self, /, rounding=None, context=None)\n--\n\n\
+Round to the nearest integer without signaling Inexact or Rounded.  The\n\
+rounding mode is determined by the rounding parameter if given, else by\n\
+the given context. If neither parameter is given, then the rounding mode\n\
+of the current default context is used.\n\
 \n");
 
 
@@ -446,9 +485,10 @@ used.\n\
 /*                       Context Object and Methods                           */
 /******************************************************************************/
 
-PyDoc_STRVAR(doc_context,"\n\
+PyDoc_STRVAR(doc_context,
+"Context(prec=None, rounding=None, Emin=None, Emax=None, capitals=None, clamp=None, flags=None, traps=None)\n--\n\n\
 The context affects almost all operations and controls rounding,\n\
-Over/Underflow, raising of exceptions and much more. A new context\n\
+Over/Underflow, raising of exceptions and much more.  A new context\n\
 can be constructed as follows:\n\
 \n\
     >>> c = Context(prec=28, Emin=-425000000, Emax=425000000,\n\
@@ -460,308 +500,372 @@ can be constructed as follows:\n\
 \n");
 
 #ifdef EXTRA_FUNCTIONALITY
-PyDoc_STRVAR(doc_ctx_apply,"\n\
-apply(x) - Apply self to Decimal x.\n\
+PyDoc_STRVAR(doc_ctx_apply,
+"apply($self, x, /)\n--\n\n\
+Apply self to Decimal x.\n\
 \n");
 #endif
 
-PyDoc_STRVAR(doc_ctx_clear_flags,"\n\
-clear_flags() - Reset all flags to False.\n\
+PyDoc_STRVAR(doc_ctx_clear_flags,
+"clear_flags($self, /)\n--\n\n\
+Reset all flags to False.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_clear_traps,"\n\
-clear_traps() - Set all traps to False.\n\
+PyDoc_STRVAR(doc_ctx_clear_traps,
+"clear_traps($self, /)\n--\n\n\
+Set all traps to False.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_copy,"\n\
-copy() - Return a duplicate of the context with all flags cleared.\n\
+PyDoc_STRVAR(doc_ctx_copy,
+"copy($self, /)\n--\n\n\
+Return a duplicate of the context with all flags cleared.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_copy_decimal,"\n\
-copy_decimal(x) - Return a copy of Decimal x.\n\
+PyDoc_STRVAR(doc_ctx_copy_decimal,
+"copy_decimal($self, x, /)\n--\n\n\
+Return a copy of Decimal x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_create_decimal,"\n\
-create_decimal(x) - Create a new Decimal instance from x, using self as the\n\
-context. Unlike the Decimal constructor, this function observes the context\n\
-limits.\n\
+PyDoc_STRVAR(doc_ctx_create_decimal,
+"create_decimal($self, num=\"0\", /)\n--\n\n\
+Create a new Decimal instance from num, using self as the context. Unlike the\n\
+Decimal constructor, this function observes the context limits.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_create_decimal_from_float,"\n\
-create_decimal_from_float(f) - Create a new Decimal instance from float f.\n\
-Unlike the Decimal.from_float() class method, this function observes the\n\
-context limits.\n\
+PyDoc_STRVAR(doc_ctx_create_decimal_from_float,
+"create_decimal_from_float($self, f, /)\n--\n\n\
+Create a new Decimal instance from float f.  Unlike the Decimal.from_float()\n\
+class method, this function observes the context limits.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_Etiny,"\n\
-Etiny() - Return a value equal to Emin - prec + 1, which is the minimum\n\
-exponent value for subnormal results. When underflow occurs, the exponent\n\
-is set to Etiny.\n\
+PyDoc_STRVAR(doc_ctx_Etiny,
+"Etiny($self, /)\n--\n\n\
+Return a value equal to Emin - prec + 1, which is the minimum exponent value\n\
+for subnormal results.  When underflow occurs, the exponent is set to Etiny.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_Etop,"\n\
-Etop() - Return a value equal to Emax - prec + 1. This is the maximum exponent\n\
-if the _clamp field of the context is set to 1 (IEEE clamp mode). Etop() must\n\
-not be negative.\n\
+PyDoc_STRVAR(doc_ctx_Etop,
+"Etop($self, /)\n--\n\n\
+Return a value equal to Emax - prec + 1.  This is the maximum exponent\n\
+if the _clamp field of the context is set to 1 (IEEE clamp mode).  Etop()\n\
+must not be negative.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_abs,"\n\
-abs(x) - Return the absolute value of x.\n\
+PyDoc_STRVAR(doc_ctx_abs,
+"abs($self, x, /)\n--\n\n\
+Return the absolute value of x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_add,"\n\
-add(x, y) - Return the sum of x and y.\n\
+PyDoc_STRVAR(doc_ctx_add,
+"add($self, x, y, /)\n--\n\n\
+Return the sum of x and y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_canonical,"\n\
-canonical(x) - Return a new instance of x.\n\
+PyDoc_STRVAR(doc_ctx_canonical,
+"canonical($self, x, /)\n--\n\n\
+Return a new instance of x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_compare,"\n\
-compare(x, y) - Compare x and y numerically.\n\
+PyDoc_STRVAR(doc_ctx_compare,
+"compare($self, x, y, /)\n--\n\n\
+Compare x and y numerically.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_compare_signal,"\n\
-compare_signal(x, y) - Compare x and y numerically. All NaNs signal.\n\
+PyDoc_STRVAR(doc_ctx_compare_signal,
+"compare_signal($self, x, y, /)\n--\n\n\
+Compare x and y numerically.  All NaNs signal.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_compare_total,"\n\
-compare_total(x, y) - Compare x and y using their abstract representation.\n\
+PyDoc_STRVAR(doc_ctx_compare_total,
+"compare_total($self, x, y, /)\n--\n\n\
+Compare x and y using their abstract representation.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_compare_total_mag,"\n\
-compare_total_mag(x, y) - Compare x and y using their abstract representation,\n\
-ignoring sign.\n\
+PyDoc_STRVAR(doc_ctx_compare_total_mag,
+"compare_total_mag($self, x, y, /)\n--\n\n\
+Compare x and y using their abstract representation, ignoring sign.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_copy_abs,"\n\
-copy_abs(x) - Return a copy of x with the sign set to 0.\n\
+PyDoc_STRVAR(doc_ctx_copy_abs,
+"copy_abs($self, x, /)\n--\n\n\
+Return a copy of x with the sign set to 0.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_copy_negate,"\n\
-copy_negate(x) - Return a copy of x with the sign inverted.\n\
+PyDoc_STRVAR(doc_ctx_copy_negate,
+"copy_negate($self, x, /)\n--\n\n\
+Return a copy of x with the sign inverted.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_copy_sign,"\n\
-copy_sign(x, y) - Copy the sign from y to x.\n\
+PyDoc_STRVAR(doc_ctx_copy_sign,
+"copy_sign($self, x, y, /)\n--\n\n\
+Copy the sign from y to x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_divide,"\n\
-divide(x, y) - Return x divided by y.\n\
+PyDoc_STRVAR(doc_ctx_divide,
+"divide($self, x, y, /)\n--\n\n\
+Return x divided by y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_divide_int,"\n\
-divide_int(x, y) - Return x divided by y, truncated to an integer.\n\
+PyDoc_STRVAR(doc_ctx_divide_int,
+"divide_int($self, x, y, /)\n--\n\n\
+Return x divided by y, truncated to an integer.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_divmod,"\n\
-divmod(x, y) - Return quotient and remainder of the division x / y.\n\
+PyDoc_STRVAR(doc_ctx_divmod,
+"divmod($self, x, y, /)\n--\n\n\
+Return quotient and remainder of the division x / y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_exp,"\n\
-exp(x) - Return e ** x.\n\
+PyDoc_STRVAR(doc_ctx_exp,
+"exp($self, x, /)\n--\n\n\
+Return e ** x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_fma,"\n\
-fma(x, y, z) - Return x multiplied by y, plus z.\n\
+PyDoc_STRVAR(doc_ctx_fma,
+"fma($self, x, y, z, /)\n--\n\n\
+Return x multiplied by y, plus z.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_canonical,"\n\
-is_canonical(x) - Return True if x is canonical, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_canonical,
+"is_canonical($self, x, /)\n--\n\n\
+Return True if x is canonical, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_finite,"\n\
-is_finite(x) - Return True if x is finite, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_finite,
+"is_finite($self, x, /)\n--\n\n\
+Return True if x is finite, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_infinite,"\n\
-is_infinite(x) - Return True if x is infinite, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_infinite,
+"is_infinite($self, x, /)\n--\n\n\
+Return True if x is infinite, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_nan,"\n\
-is_nan(x) - Return True if x is a qNaN or sNaN, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_nan,
+"is_nan($self, x, /)\n--\n\n\
+Return True if x is a qNaN or sNaN, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_normal,"\n\
-is_normal(x) - Return True if x is a normal number, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_normal,
+"is_normal($self, x, /)\n--\n\n\
+Return True if x is a normal number, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_qnan,"\n\
-is_qnan(x) - Return True if x is a quiet NaN, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_qnan,
+"is_qnan($self, x, /)\n--\n\n\
+Return True if x is a quiet NaN, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_signed,"\n\
-is_signed(x) - Return True if x is negative, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_signed,
+"is_signed($self, x, /)\n--\n\n\
+Return True if x is negative, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_snan,"\n\
-is_snan() - Return True if x is a signaling NaN, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_snan,
+"is_snan($self, x, /)\n--\n\n\
+Return True if x is a signaling NaN, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_subnormal,"\n\
-is_subnormal(x) - Return True if x is subnormal, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_subnormal,
+"is_subnormal($self, x, /)\n--\n\n\
+Return True if x is subnormal, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_is_zero,"\n\
-is_zero(x) - Return True if x is a zero, False otherwise.\n\
+PyDoc_STRVAR(doc_ctx_is_zero,
+"is_zero($self, x, /)\n--\n\n\
+Return True if x is a zero, False otherwise.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_ln,"\n\
-ln(x) - Return the natural (base e) logarithm of x.\n\
+PyDoc_STRVAR(doc_ctx_ln,
+"ln($self, x, /)\n--\n\n\
+Return the natural (base e) logarithm of x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_log10,"\n\
-log10(x) - Return the base 10 logarithm of x.\n\
+PyDoc_STRVAR(doc_ctx_log10,
+"log10($self, x, /)\n--\n\n\
+Return the base 10 logarithm of x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_logb,"\n\
-logb(x) - Return the exponent of the magnitude of the operand's MSD.\n\
+PyDoc_STRVAR(doc_ctx_logb,
+"logb($self, x, /)\n--\n\n\
+Return the exponent of the magnitude of the operand's MSD.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_logical_and,"\n\
-logical_and(x, y) - Digit-wise and of x and y.\n\
+PyDoc_STRVAR(doc_ctx_logical_and,
+"logical_and($self, x, y, /)\n--\n\n\
+Digit-wise and of x and y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_logical_invert,"\n\
-logical_invert(x) - Invert all digits of x.\n\
+PyDoc_STRVAR(doc_ctx_logical_invert,
+"logical_invert($self, x, /)\n--\n\n\
+Invert all digits of x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_logical_or,"\n\
-logical_or(x, y) - Digit-wise or of x and y.\n\
+PyDoc_STRVAR(doc_ctx_logical_or,
+"logical_or($self, x, y, /)\n--\n\n\
+Digit-wise or of x and y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_logical_xor,"\n\
-logical_xor(x, y) - Digit-wise xor of x and y.\n\
+PyDoc_STRVAR(doc_ctx_logical_xor,
+"logical_xor($self, x, y, /)\n--\n\n\
+Digit-wise xor of x and y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_max,"\n\
-max(x, y) - Compare the values numerically and return the maximum.\n\
+PyDoc_STRVAR(doc_ctx_max,
+"max($self, x, y, /)\n--\n\n\
+Compare the values numerically and return the maximum.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_max_mag,"\n\
-max_mag(x, y) - Compare the values numerically with their sign ignored.\n\
+PyDoc_STRVAR(doc_ctx_max_mag,
+"max_mag($self, x, y, /)\n--\n\n\
+Compare the values numerically with their sign ignored.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_min,"\n\
-min(x, y) - Compare the values numerically and return the minimum.\n\
+PyDoc_STRVAR(doc_ctx_min,
+"min($self, x, y, /)\n--\n\n\
+Compare the values numerically and return the minimum.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_min_mag,"\n\
-min_mag(x, y) - Compare the values numerically with their sign ignored.\n\
+PyDoc_STRVAR(doc_ctx_min_mag,
+"min_mag($self, x, y, /)\n--\n\n\
+Compare the values numerically with their sign ignored.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_minus,"\n\
-minus(x) - Minus corresponds to the unary prefix minus operator in Python,\n\
-but applies the context to the result.\n\
+PyDoc_STRVAR(doc_ctx_minus,
+"minus($self, x, /)\n--\n\n\
+Minus corresponds to the unary prefix minus operator in Python, but applies\n\
+the context to the result.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_multiply,"\n\
-multiply(x, y) - Return the product of x and y.\n\
+PyDoc_STRVAR(doc_ctx_multiply,
+"multiply($self, x, y, /)\n--\n\n\
+Return the product of x and y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_next_minus,"\n\
-next_minus(x) - Return the largest representable number smaller than x.\n\
+PyDoc_STRVAR(doc_ctx_next_minus,
+"next_minus($self, x, /)\n--\n\n\
+Return the largest representable number smaller than x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_next_plus,"\n\
-next_plus(x) - Return the smallest representable number larger than x.\n\
+PyDoc_STRVAR(doc_ctx_next_plus,
+"next_plus($self, x, /)\n--\n\n\
+Return the smallest representable number larger than x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_next_toward,"\n\
-next_toward(x) - Return the number closest to x, in the direction towards y.\n\
+PyDoc_STRVAR(doc_ctx_next_toward,
+"next_toward($self, x, y, /)\n--\n\n\
+Return the number closest to x, in the direction towards y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_normalize,"\n\
-normalize(x) - Reduce x to its simplest form. Alias for reduce(x).\n\
+PyDoc_STRVAR(doc_ctx_normalize,
+"normalize($self, x, /)\n--\n\n\
+Reduce x to its simplest form. Alias for reduce(x).\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_number_class,"\n\
-number_class(x) - Return an indication of the class of x.\n\
+PyDoc_STRVAR(doc_ctx_number_class,
+"number_class($self, x, /)\n--\n\n\
+Return an indication of the class of x.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_plus,"\n\
-plus(x) - Plus corresponds to the unary prefix plus operator in Python,\n\
-but applies the context to the result.\n\
+PyDoc_STRVAR(doc_ctx_plus,
+"plus($self, x, /)\n--\n\n\
+Plus corresponds to the unary prefix plus operator in Python, but applies\n\
+the context to the result.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_power,"\n\
-power(x, y) - Compute x**y. If x is negative, then y must be integral.\n\
-The result will be inexact unless y is integral and the result is finite\n\
-and can be expressed exactly in 'precision' digits. In the Python version\n\
-the result is always correctly rounded, in the C version the result is\n\
-almost always correctly rounded.\n\
+PyDoc_STRVAR(doc_ctx_power,
+"power($self, /, a, b, modulo=None)\n--\n\n\
+Compute a**b. If 'a' is negative, then 'b' must be integral. The result\n\
+will be inexact unless 'a' is integral and the result is finite and can\n\
+be expressed exactly in 'precision' digits.  In the Python version the\n\
+result is always correctly rounded, in the C version the result is almost\n\
+always correctly rounded.\n\
 \n\
-power(x, y, m) - Compute (x**y) % m. The following restrictions hold:\n\
+If modulo is given, compute (a**b) % modulo. The following restrictions\n\
+hold:\n\
 \n\
     * all three arguments must be integral\n\
-    * y must be nonnegative\n\
-    * at least one of x or y must be nonzero\n\
-    * m must be nonzero and less than 10**prec in absolute value\n\
+    * 'b' must be nonnegative\n\
+    * at least one of 'a' or 'b' must be nonzero\n\
+    * modulo must be nonzero and less than 10**prec in absolute value\n\
 \n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_quantize,"\n\
-quantize(x, y) - Return a value equal to x (rounded), having the exponent of y.\n\
+PyDoc_STRVAR(doc_ctx_quantize,
+"quantize($self, x, y, /)\n--\n\n\
+Return a value equal to x (rounded), having the exponent of y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_radix,"\n\
-radix() - Return 10.\n\
+PyDoc_STRVAR(doc_ctx_radix,
+"radix($self, /)\n--\n\n\
+Return 10.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_remainder,"\n\
-remainder(x, y) - Return the remainder from integer division. The sign of\n\
-the result, if non-zero, is the same as that of the original dividend.\n\
+PyDoc_STRVAR(doc_ctx_remainder,
+"remainder($self, x, y, /)\n--\n\n\
+Return the remainder from integer division.  The sign of the result,\n\
+if non-zero, is the same as that of the original dividend.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_remainder_near,"\n\
-remainder_near(x, y) - Return x - y * n, where n is the integer nearest the\n\
-exact value of x / y (if the result is 0 then its sign will be the sign of x).\n\
+PyDoc_STRVAR(doc_ctx_remainder_near,
+"remainder_near($self, x, y, /)\n--\n\n\
+Return x - y * n, where n is the integer nearest the exact value of x / y\n\
+(if the result is 0 then its sign will be the sign of x).\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_rotate,"\n\
-rotate(x, y) - Return a copy of x, rotated by y places.\n\
+PyDoc_STRVAR(doc_ctx_rotate,
+"rotate($self, x, y, /)\n--\n\n\
+Return a copy of x, rotated by y places.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_same_quantum,"\n\
-same_quantum(x, y) - Return True if the two operands have the same exponent.\n\
+PyDoc_STRVAR(doc_ctx_same_quantum,
+"same_quantum($self, x, y, /)\n--\n\n\
+Return True if the two operands have the same exponent.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_scaleb,"\n\
-scaleb(x, y) - Return the first operand after adding the second value\n\
-to its exp.\n\
+PyDoc_STRVAR(doc_ctx_scaleb,
+"scaleb($self, x, y, /)\n--\n\n\
+Return the first operand after adding the second value to its exp.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_shift,"\n\
-shift(x, y) - Return a copy of x, shifted by y places.\n\
+PyDoc_STRVAR(doc_ctx_shift,
+"shift($self, x, y, /)\n--\n\n\
+Return a copy of x, shifted by y places.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_sqrt,"\n\
-sqrt(x) - Square root of a non-negative number to context precision.\n\
+PyDoc_STRVAR(doc_ctx_sqrt,
+"sqrt($self, x, /)\n--\n\n\
+Square root of a non-negative number to context precision.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_subtract,"\n\
-subtract(x, y) - Return the difference between x and y.\n\
+PyDoc_STRVAR(doc_ctx_subtract,
+"subtract($self, x, y, /)\n--\n\n\
+Return the difference between x and y.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_to_eng_string,"\n\
-to_eng_string(x) - Convert a number to a string, using engineering notation.\n\
+PyDoc_STRVAR(doc_ctx_to_eng_string,
+"to_eng_string($self, x, /)\n--\n\n\
+Convert a number to a string, using engineering notation.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_to_integral,"\n\
-to_integral(x) - Identical to to_integral_value(x).\n\
+PyDoc_STRVAR(doc_ctx_to_integral,
+"to_integral($self, x, /)\n--\n\n\
+Identical to to_integral_value(x).\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_to_integral_exact,"\n\
-to_integral_exact(x) - Round to an integer. Signal if the result is\n\
-rounded or inexact.\n\
+PyDoc_STRVAR(doc_ctx_to_integral_exact,
+"to_integral_exact($self, x, /)\n--\n\n\
+Round to an integer. Signal if the result is rounded or inexact.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_to_integral_value,"\n\
-to_integral_value(x) - Round to an integer.\n\
+PyDoc_STRVAR(doc_ctx_to_integral_value,
+"to_integral_value($self, x, /)\n--\n\n\
+Round to an integer.\n\
 \n");
 
-PyDoc_STRVAR(doc_ctx_to_sci_string,"\n\
-to_sci_string(x) - Convert a number to a string using scientific notation.\n\
+PyDoc_STRVAR(doc_ctx_to_sci_string,
+"to_sci_string($self, x, /)\n--\n\n\
+Convert a number to a string using scientific notation.\n\
 \n");
 
 
diff --git a/Modules/_decimal/tests/deccheck.py b/Modules/_decimal/tests/deccheck.py
index 27137b2..ab7d5bd 100644
--- a/Modules/_decimal/tests/deccheck.py
+++ b/Modules/_decimal/tests/deccheck.py
@@ -36,6 +36,7 @@ from test.support import import_fresh_module
 from randdec import randfloat, all_unary, all_binary, all_ternary
 from randdec import unary_optarg, binary_optarg, ternary_optarg
 from formathelper import rand_format, rand_locale
+from _pydecimal import _dec_from_triple
 
 C = import_fresh_module('decimal', fresh=['_decimal'])
 P = import_fresh_module('decimal', blocked=['_decimal'])
@@ -370,7 +371,7 @@ class SkipHandler:
         return abs(a - b)
 
     def standard_ulp(self, dec, prec):
-        return P._dec_from_triple(0, '1', dec._exp+len(dec._int)-prec)
+        return _dec_from_triple(0, '1', dec._exp+len(dec._int)-prec)
 
     def rounding_direction(self, x, mode):
         """Determine the effective direction of the rounding when
@@ -401,10 +402,10 @@ class SkipHandler:
         # Convert infinities to the largest representable number + 1.
         x = exact
         if exact.is_infinite():
-            x = P._dec_from_triple(exact._sign, '10', context.p.Emax)
+            x = _dec_from_triple(exact._sign, '10', context.p.Emax)
         y = rounded
         if rounded.is_infinite():
-            y = P._dec_from_triple(rounded._sign, '10', context.p.Emax)
+            y = _dec_from_triple(rounded._sign, '10', context.p.Emax)
 
         # err = (rounded - exact) / ulp(rounded)
         self.maxctx.prec = p * 2
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index b3b6976..bf4bc4a 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -11,6 +11,8 @@
  *--------------------------------------------------------------------
  */
 
+#define PY_SSIZE_T_CLEAN
+
 #include "Python.h"
 #include "structmember.h"
 
@@ -185,8 +187,8 @@ typedef struct {
     PyObject* attrib;
 
     /* child elements */
-    int length; /* actual number of items */
-    int allocated; /* allocated items */
+    Py_ssize_t length; /* actual number of items */
+    Py_ssize_t allocated; /* allocated items */
 
     /* this either points to _children or to a malloced buffer */
     PyObject* *children;
@@ -251,7 +253,7 @@ LOCAL(void)
 dealloc_extra(ElementObject* self)
 {
     ElementObjectExtra *myextra;
-    int i;
+    Py_ssize_t i;
 
     if (!self->extra)
         return;
@@ -429,9 +431,9 @@ element_init(PyObject *self, PyObject *args, PyObject *kwds)
 }
 
 LOCAL(int)
-element_resize(ElementObject* self, int extra)
+element_resize(ElementObject* self, Py_ssize_t extra)
 {
-    int size;
+    Py_ssize_t size;
     PyObject* *children;
 
     /* make sure self->children can hold the given number of extra
@@ -442,7 +444,7 @@ element_resize(ElementObject* self, int extra)
             return -1;
     }
 
-    size = self->extra->length + extra;
+    size = self->extra->length + extra;  /* never overflows */
 
     if (size > self->extra->allocated) {
         /* use Python 2.4's list growth strategy */
@@ -453,6 +455,8 @@ element_resize(ElementObject* self, int extra)
          * be safe.
          */
         size = size ? size : 1;
+        if ((size_t)size > PY_SSIZE_T_MAX/sizeof(PyObject*))
+            goto nomemory;
         if (self->extra->children != self->extra->_children) {
             /* Coverity CID #182 size_error: Allocating 1 bytes to pointer
              * "children", which needs at least 4 bytes. Although it's a
@@ -613,7 +617,7 @@ element_gc_traverse(ElementObject *self, visitproc visit, void *arg)
     Py_VISIT(JOIN_OBJ(self->tail));
 
     if (self->extra) {
-        int i;
+        Py_ssize_t i;
         Py_VISIT(self->extra->attrib);
 
         for (i = 0; i < self->extra->length; ++i)
@@ -689,7 +693,7 @@ element_clearmethod(ElementObject* self, PyObject* args)
 static PyObject*
 element_copy(ElementObject* self, PyObject* args)
 {
-    int i;
+    Py_ssize_t i;
     ElementObject* element;
 
     if (!PyArg_ParseTuple(args, ":__copy__"))
@@ -728,7 +732,7 @@ element_copy(ElementObject* self, PyObject* args)
 static PyObject*
 element_deepcopy(ElementObject* self, PyObject* args)
 {
-    int i;
+    Py_ssize_t i;
     ElementObject* element;
     PyObject* tag;
     PyObject* attrib;
@@ -839,7 +843,7 @@ element_sizeof(PyObject* myself, PyObject* args)
 static PyObject *
 element_getstate(ElementObject *self)
 {
-    int i, noattrib;
+    Py_ssize_t i, noattrib;
     PyObject *instancedict = NULL, *children;
 
     /* Build a list of children. */
@@ -1077,7 +1081,7 @@ element_extend(ElementObject* self, PyObject* args)
 static PyObject*
 element_find(ElementObject *self, PyObject *args, PyObject *kwds)
 {
-    int i;
+    Py_ssize_t i;
     PyObject* tag;
     PyObject* namespaces = Py_None;
     static char *kwlist[] = {"path", "namespaces", 0};
@@ -1112,7 +1116,7 @@ element_find(ElementObject *self, PyObject *args, PyObject *kwds)
 static PyObject*
 element_findtext(ElementObject *self, PyObject *args, PyObject *kwds)
 {
-    int i;
+    Py_ssize_t i;
     PyObject* tag;
     PyObject* default_value = Py_None;
     PyObject* namespaces = Py_None;
@@ -1153,7 +1157,7 @@ element_findtext(ElementObject *self, PyObject *args, PyObject *kwds)
 static PyObject*
 element_findall(ElementObject *self, PyObject *args, PyObject *kwds)
 {
-    int i;
+    Py_ssize_t i;
     PyObject* out;
     PyObject* tag;
     PyObject* namespaces = Py_None;
@@ -1238,7 +1242,7 @@ element_get(ElementObject* self, PyObject* args, PyObject* kwds)
 static PyObject*
 element_getchildren(ElementObject* self, PyObject* args)
 {
-    int i;
+    Py_ssize_t i;
     PyObject* list;
 
     /* FIXME: report as deprecated? */
@@ -1310,11 +1314,9 @@ element_getitem(PyObject* self_, Py_ssize_t index)
 static PyObject*
 element_insert(ElementObject* self, PyObject* args)
 {
-    int i;
-
-    int index;
+    Py_ssize_t index, i;
     PyObject* element;
-    if (!PyArg_ParseTuple(args, "iO!:insert", &index,
+    if (!PyArg_ParseTuple(args, "nO!:insert", &index,
                           &Element_Type, &element))
         return NULL;
 
@@ -1402,7 +1404,7 @@ element_makeelement(PyObject* self, PyObject* args, PyObject* kw)
 static PyObject*
 element_remove(ElementObject* self, PyObject* args)
 {
-    int i;
+    Py_ssize_t i;
 
     PyObject* element;
     if (!PyArg_ParseTuple(args, "O!:remove", &Element_Type, &element))
@@ -1481,7 +1483,7 @@ static int
 element_setitem(PyObject* self_, Py_ssize_t index, PyObject* item)
 {
     ElementObject* self = (ElementObject*) self_;
-    int i;
+    Py_ssize_t i;
     PyObject* old;
 
     if (!self->extra || index < 0 || index >= self->extra->length) {
@@ -2819,12 +2821,13 @@ makeuniversal(XMLParserObject* self, const char* string)
  * message string is the default for the given error_code.
 */
 static void
-expat_set_error(enum XML_Error error_code, int line, int column, char *message)
+expat_set_error(enum XML_Error error_code, Py_ssize_t line, Py_ssize_t column,
+                const char *message)
 {
     PyObject *errmsg, *error, *position, *code;
     elementtreestate *st = ET_STATE_GLOBAL;
 
-    errmsg = PyUnicode_FromFormat("%s: line %d, column %d",
+    errmsg = PyUnicode_FromFormat("%s: line %zd, column %zd",
                 message ? message : EXPAT(ErrorString)(error_code),
                 line, column);
     if (errmsg == NULL)
@@ -2848,7 +2851,7 @@ expat_set_error(enum XML_Error error_code, int line, int column, char *message)
     }
     Py_DECREF(code);
 
-    position = Py_BuildValue("(ii)", line, column);
+    position = Py_BuildValue("(nn)", line, column);
     if (!position) {
         Py_DECREF(error);
         return;
@@ -3477,8 +3480,14 @@ xmlparser_parse_whole(XMLParserObject* self, PyObject* args)
             break;
         }
 
+        if (PyBytes_GET_SIZE(buffer) > INT_MAX) {
+            Py_DECREF(buffer);
+            Py_DECREF(reader);
+            PyErr_SetString(PyExc_OverflowError, "size does not fit in an int");
+            return NULL;
+        }
         res = expat_parse(
-            self, PyBytes_AS_STRING(buffer), PyBytes_GET_SIZE(buffer), 0
+            self, PyBytes_AS_STRING(buffer), (int)PyBytes_GET_SIZE(buffer), 0
             );
 
         Py_DECREF(buffer);
@@ -3741,7 +3750,7 @@ PyInit__elementtree(void)
     if (expat_capi) {
         /* check that it's usable */
         if (strcmp(expat_capi->magic, PyExpat_CAPI_MAGIC) != 0 ||
-            expat_capi->size < sizeof(struct PyExpat_CAPI) ||
+            (size_t)expat_capi->size < sizeof(struct PyExpat_CAPI) ||
             expat_capi->MAJOR_VERSION != XML_MAJOR_VERSION ||
             expat_capi->MINOR_VERSION != XML_MINOR_VERSION ||
             expat_capi->MICRO_VERSION != XML_MICRO_VERSION) {
diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
index 57dfba0..3413b12 100644
--- a/Modules/_functoolsmodule.c
+++ b/Modules/_functoolsmodule.c
@@ -25,7 +25,7 @@ static PyTypeObject partial_type;
 static PyObject *
 partial_new(PyTypeObject *type, PyObject *args, PyObject *kw)
 {
-    PyObject *func;
+    PyObject *func, *pargs, *nargs, *pkw;
     partialobject *pto;
 
     if (PyTuple_GET_SIZE(args) < 1) {
@@ -34,7 +34,16 @@ partial_new(PyTypeObject *type, PyObject *args, PyObject *kw)
         return NULL;
     }
 
+    pargs = pkw = Py_None;
     func = PyTuple_GET_ITEM(args, 0);
+    if (Py_TYPE(func) == &partial_type && type == &partial_type) {
+        partialobject *part = (partialobject *)func;
+        if (part->dict == NULL) {
+            pargs = part->args;
+            pkw = part->kw;
+            func = part->fn;
+        }
+    }
     if (!PyCallable_Check(func)) {
         PyErr_SetString(PyExc_TypeError,
                         "the first argument must be callable");
@@ -48,21 +57,53 @@ partial_new(PyTypeObject *type, PyObject *args, PyObject *kw)
 
     pto->fn = func;
     Py_INCREF(func);
-    pto->args = PyTuple_GetSlice(args, 1, PY_SSIZE_T_MAX);
-    if (pto->args == NULL) {
+
+    nargs = PyTuple_GetSlice(args, 1, PY_SSIZE_T_MAX);
+    if (nargs == NULL) {
+        pto->args = NULL;
         pto->kw = NULL;
         Py_DECREF(pto);
         return NULL;
     }
+    if (pargs == Py_None || PyTuple_GET_SIZE(pargs) == 0) {
+        pto->args = nargs;
+        Py_INCREF(nargs);
+    }
+    else if (PyTuple_GET_SIZE(nargs) == 0) {
+        pto->args = pargs;
+        Py_INCREF(pargs);
+    }
+    else {
+        pto->args = PySequence_Concat(pargs, nargs);
+        if (pto->args == NULL) {
+            pto->kw = NULL;
+            Py_DECREF(pto);
+            return NULL;
+        }
+    }
+    Py_DECREF(nargs);
+
     if (kw != NULL) {
-        pto->kw = PyDict_Copy(kw);
+        if (pkw == Py_None) {
+            pto->kw = PyDict_Copy(kw);
+        }
+        else {
+            pto->kw = PyDict_Copy(pkw);
+            if (pto->kw != NULL) {
+                if (PyDict_Merge(pto->kw, kw, 1) != 0) {
+                    Py_DECREF(pto);
+                    return NULL;
+                }
+            }
+        }
         if (pto->kw == NULL) {
             Py_DECREF(pto);
             return NULL;
         }
-    } else {
-        pto->kw = Py_None;
-        Py_INCREF(Py_None);
+    }
+    else {
+        pto->kw = pkw;
+        Py_INCREF(pkw);
     }
 
     pto->weakreflist = NULL;
diff --git a/Modules/_gdbmmodule.c b/Modules/_gdbmmodule.c
index 229e16e..eb6da8e 100644
--- a/Modules/_gdbmmodule.c
+++ b/Modules/_gdbmmodule.c
@@ -16,17 +16,23 @@
 extern const char * gdbm_strerror(gdbm_error);
 #endif
 
+/*[clinic input]
+module _gdbm
+class _gdbm.gdbm "dbmobject *" "&Dbmtype"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=113927c6170729b2]*/
+
 PyDoc_STRVAR(gdbmmodule__doc__,
 "This module provides an interface to the GNU DBM (GDBM) library.\n\
 \n\
 This module is quite similar to the dbm module, but uses GDBM instead to\n\
-provide some additional functionality. Please note that the file formats\n\
-created by GDBM and dbm are incompatible. \n\
+provide some additional functionality.  Please note that the file formats\n\
+created by GDBM and dbm are incompatible.\n\
 \n\
 GDBM objects behave like mappings (dictionaries), except that keys and\n\
-values are always strings. Printing a GDBM object doesn't print the\n\
-keys and values, and the items() and values() methods are not\n\
-supported.");
+values are always immutable bytes-like objects or strings.  Printing\n\
+a GDBM object doesn't print the keys and values, and the items() and\n\
+values() methods are not supported.");
 
 typedef struct {
     PyObject_HEAD
@@ -36,6 +42,8 @@ typedef struct {
 
 static PyTypeObject Dbmtype;
 
+#include "clinic/_gdbmmodule.c.h"
+
 #define is_dbmobject(v) (Py_TYPE(v) == &Dbmtype)
 #define check_dbmobject_open(v) if ((v)->di_dbm == NULL) \
     { PyErr_SetString(DbmError, "GDBM object has already been closed"); \
@@ -48,15 +56,15 @@ static PyObject *DbmError;
 PyDoc_STRVAR(gdbm_object__doc__,
 "This object represents a GDBM database.\n\
 GDBM objects behave like mappings (dictionaries), except that keys and\n\
-values are always strings. Printing a GDBM object doesn't print the\n\
-keys and values, and the items() and values() methods are not\n\
-supported.\n\
+values are always immutable bytes-like objects or strings.  Printing\n\
+a GDBM object doesn't print the keys and values, and the items() and\n\
+values() methods are not supported.\n\
 \n\
 GDBM objects also support additional operations such as firstkey,\n\
 nextkey, reorganize, and sync.");
 
 static PyObject *
-newdbmobject(char *file, int flags, int mode)
+newdbmobject(const char *file, int flags, int mode)
 {
     dbmobject *dp;
 
@@ -65,7 +73,7 @@ newdbmobject(char *file, int flags, int mode)
         return NULL;
     dp->di_size = -1;
     errno = 0;
-    if ((dp->di_dbm = gdbm_open(file, 0, flags, mode, NULL)) == 0) {
+    if ((dp->di_dbm = gdbm_open((char *)file, 0, flags, mode, NULL)) == 0) {
         if (errno != 0)
             PyErr_SetFromErrno(DbmError);
         else
@@ -135,24 +143,27 @@ dbm_subscript(dbmobject *dp, PyObject *key)
     return v;
 }
 
-PyDoc_STRVAR(dbm_get__doc__,
-"get(key[, default]) -> value\n\
-Get the value for key, or default if not present; if not given,\n\
-default is None.");
+/*[clinic input]
+_gdbm.gdbm.get
+
+    key: object
+    default: object = None
+    /
+
+Get the value for key, or default if not present.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_get(dbmobject *dp, PyObject *args)
+_gdbm_gdbm_get_impl(dbmobject *self, PyObject *key, PyObject *default_value)
+/*[clinic end generated code: output=19b7c585ad4f554a input=a9c20423f34c17b6]*/
 {
-    PyObject *v, *res;
-    PyObject *def = Py_None;
+    PyObject *res;
 
-    if (!PyArg_UnpackTuple(args, "get", 1, 2, &v, &def))
-        return NULL;
-    res = dbm_subscript(dp, v);
+    res = dbm_subscript(self, key);
     if (res == NULL && PyErr_ExceptionMatches(PyExc_KeyError)) {
         PyErr_Clear();
-        Py_INCREF(def);
-        return def;
+        Py_INCREF(default_value);
+        return default_value;
     }
     return res;
 }
@@ -198,25 +209,29 @@ dbm_ass_sub(dbmobject *dp, PyObject *v, PyObject *w)
     return 0;
 }
 
-PyDoc_STRVAR(dbm_setdefault__doc__,
-"setdefault(key[, default]) -> value\n\
-Get value for key, or set it to default and return default if not present;\n\
-if not given, default is None.");
+/*[clinic input]
+_gdbm.gdbm.setdefault
+
+    key: object
+    default: object = None
+    /
+
+Get value for key, or set it to default and return default if not present.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_setdefault(dbmobject *dp, PyObject *args)
+_gdbm_gdbm_setdefault_impl(dbmobject *self, PyObject *key,
+                           PyObject *default_value)
+/*[clinic end generated code: output=88760ee520329012 input=0db46b69e9680171]*/
 {
-    PyObject *v, *res;
-    PyObject *def = Py_None;
+    PyObject *res;
 
-    if (!PyArg_UnpackTuple(args, "setdefault", 1, 2, &v, &def))
-        return NULL;
-    res = dbm_subscript(dp, v);
+    res = dbm_subscript(self, key);
     if (res == NULL && PyErr_ExceptionMatches(PyExc_KeyError)) {
         PyErr_Clear();
-        if (dbm_ass_sub(dp, v, def) < 0)
+        if (dbm_ass_sub(self, key, default_value) < 0)
             return NULL;
-        return dbm_subscript(dp, v);
+        return dbm_subscript(self, key);
     }
     return res;
 }
@@ -227,43 +242,49 @@ static PyMappingMethods dbm_as_mapping = {
     (objobjargproc)dbm_ass_sub,         /*mp_ass_subscript*/
 };
 
-PyDoc_STRVAR(dbm_close__doc__,
-"close() -> None\n\
-Closes the database.");
+/*[clinic input]
+_gdbm.gdbm.close
+
+Close the database.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_close(dbmobject *dp, PyObject *unused)
+_gdbm_gdbm_close_impl(dbmobject *self)
+/*[clinic end generated code: output=23512a594598b563 input=0a203447379b45fd]*/
 {
-    if (dp->di_dbm)
-        gdbm_close(dp->di_dbm);
-    dp->di_dbm = NULL;
+    if (self->di_dbm)
+        gdbm_close(self->di_dbm);
+    self->di_dbm = NULL;
     Py_INCREF(Py_None);
     return Py_None;
 }
 
 /* XXX Should return a set or a set view */
-PyDoc_STRVAR(dbm_keys__doc__,
-"keys() -> list_of_keys\n\
-Get a list of all keys in the database.");
+/*[clinic input]
+_gdbm.gdbm.keys
+
+Get a list of all keys in the database.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_keys(dbmobject *dp, PyObject *unused)
+_gdbm_gdbm_keys_impl(dbmobject *self)
+/*[clinic end generated code: output=cb4b1776c3645dcc input=1832ee0a3132cfaf]*/
 {
     PyObject *v, *item;
     datum key, nextkey;
     int err;
 
-    if (dp == NULL || !is_dbmobject(dp)) {
+    if (self == NULL || !is_dbmobject(self)) {
         PyErr_BadInternalCall();
         return NULL;
     }
-    check_dbmobject_open(dp);
+    check_dbmobject_open(self);
 
     v = PyList_New(0);
     if (v == NULL)
         return NULL;
 
-    key = gdbm_firstkey(dp->di_dbm);
+    key = gdbm_firstkey(self->di_dbm);
     while (key.dptr) {
         item = PyBytes_FromStringAndSize(key.dptr, key.dsize);
         if (item == NULL) {
@@ -278,7 +299,7 @@ dbm_keys(dbmobject *dp, PyObject *unused)
             Py_DECREF(v);
             return NULL;
         }
-        nextkey = gdbm_nextkey(dp->di_dbm, key);
+        nextkey = gdbm_nextkey(self->di_dbm, key);
         free(key.dptr);
         key = nextkey;
     }
@@ -329,21 +350,25 @@ static PySequenceMethods dbm_as_sequence = {
         0,                      /* sq_inplace_repeat */
 };
 
-PyDoc_STRVAR(dbm_firstkey__doc__,
-"firstkey() -> key\n\
-It's possible to loop over every key in the database using this method\n\
-and the nextkey() method. The traversal is ordered by GDBM's internal\n\
-hash values, and won't be sorted by the key values. This method\n\
-returns the starting key.");
+/*[clinic input]
+_gdbm.gdbm.firstkey
+
+Return the starting key for the traversal.
+
+It's possible to loop over every key in the database using this method
+and the nextkey() method.  The traversal is ordered by GDBM's internal
+hash values, and won't be sorted by the key values.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_firstkey(dbmobject *dp, PyObject *unused)
+_gdbm_gdbm_firstkey_impl(dbmobject *self)
+/*[clinic end generated code: output=9ff85628d84b65d2 input=0dbd6a335d69bba0]*/
 {
     PyObject *v;
     datum key;
 
-    check_dbmobject_open(dp);
-    key = gdbm_firstkey(dp->di_dbm);
+    check_dbmobject_open(self);
+    key = gdbm_firstkey(self->di_dbm);
     if (key.dptr) {
         v = PyBytes_FromStringAndSize(key.dptr, key.dsize);
         free(key.dptr);
@@ -355,27 +380,35 @@ dbm_firstkey(dbmobject *dp, PyObject *unused)
     }
 }
 
-PyDoc_STRVAR(dbm_nextkey__doc__,
-"nextkey(key) -> next_key\n\
-Returns the key that follows key in the traversal.\n\
-The following code prints every key in the database db, without having\n\
-to create a list in memory that contains them all:\n\
-\n\
-      k = db.firstkey()\n\
-      while k != None:\n\
-          print k\n\
-          k = db.nextkey(k)");
+/*[clinic input]
+_gdbm.gdbm.nextkey
+
+    key: str(types={'str', 'robuffer'}, length=True)
+    /
+
+Returns the key that follows key in the traversal.
+
+The following code prints every key in the database db, without having
+to create a list in memory that contains them all:
+
+      k = db.firstkey()
+      while k != None:
+          print(k)
+          k = db.nextkey(k)
+[clinic start generated code]*/
 
 static PyObject *
-dbm_nextkey(dbmobject *dp, PyObject *args)
+_gdbm_gdbm_nextkey_impl(dbmobject *self, const char *key,
+                        Py_ssize_clean_t key_length)
+/*[clinic end generated code: output=192ab892de6eb2f6 input=df8e8828201214a6]*/
 {
     PyObject *v;
-    datum key, nextkey;
+    datum dbm_key, nextkey;
 
-    if (!PyArg_ParseTuple(args, "s#:nextkey", &key.dptr, &key.dsize))
-        return NULL;
-    check_dbmobject_open(dp);
-    nextkey = gdbm_nextkey(dp->di_dbm, key);
+    dbm_key.dptr = (char *)key;
+    dbm_key.dsize = key_length;
+    check_dbmobject_open(self);
+    nextkey = gdbm_nextkey(self->di_dbm, dbm_key);
     if (nextkey.dptr) {
         v = PyBytes_FromStringAndSize(nextkey.dptr, nextkey.dsize);
         free(nextkey.dptr);
@@ -387,20 +420,25 @@ dbm_nextkey(dbmobject *dp, PyObject *args)
     }
 }
 
-PyDoc_STRVAR(dbm_reorganize__doc__,
-"reorganize() -> None\n\
-If you have carried out a lot of deletions and would like to shrink\n\
-the space used by the GDBM file, this routine will reorganize the\n\
-database. GDBM will not shorten the length of a database file except\n\
-by using this reorganization; otherwise, deleted file space will be\n\
-kept and reused as new (key,value) pairs are added.");
+/*[clinic input]
+_gdbm.gdbm.reorganize
+
+Reorganize the database.
+
+If you have carried out a lot of deletions and would like to shrink
+the space used by the GDBM file, this routine will reorganize the
+database.  GDBM will not shorten the length of a database file except
+by using this reorganization; otherwise, deleted file space will be
+kept and reused as new (key,value) pairs are added.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_reorganize(dbmobject *dp, PyObject *unused)
+_gdbm_gdbm_reorganize_impl(dbmobject *self)
+/*[clinic end generated code: output=38d9624df92e961d input=f6bea85bcfd40dd2]*/
 {
-    check_dbmobject_open(dp);
+    check_dbmobject_open(self);
     errno = 0;
-    if (gdbm_reorganize(dp->di_dbm) < 0) {
+    if (gdbm_reorganize(self->di_dbm) < 0) {
         if (errno != 0)
             PyErr_SetFromErrno(DbmError);
         else
@@ -411,16 +449,21 @@ dbm_reorganize(dbmobject *dp, PyObject *unused)
     return Py_None;
 }
 
-PyDoc_STRVAR(dbm_sync__doc__,
-"sync() -> None\n\
-When the database has been opened in fast mode, this method forces\n\
-any unwritten data to be written to the disk.");
+/*[clinic input]
+_gdbm.gdbm.sync
+
+Flush the database to the disk file.
+
+When the database has been opened in fast mode, this method forces
+any unwritten data to be written to the disk.
+[clinic start generated code]*/
 
 static PyObject *
-dbm_sync(dbmobject *dp, PyObject *unused)
+_gdbm_gdbm_sync_impl(dbmobject *self)
+/*[clinic end generated code: output=488b15f47028f125 input=2a47d2c9e153ab8a]*/
 {
-    check_dbmobject_open(dp);
-    gdbm_sync(dp->di_dbm);
+    check_dbmobject_open(self);
+    gdbm_sync(self->di_dbm);
     Py_INCREF(Py_None);
     return Py_None;
 }
@@ -440,14 +483,15 @@ dbm__exit__(PyObject *self, PyObject *args)
 }
 
 static PyMethodDef dbm_methods[] = {
-    {"close",     (PyCFunction)dbm_close,   METH_NOARGS, dbm_close__doc__},
-    {"keys",      (PyCFunction)dbm_keys,    METH_NOARGS, dbm_keys__doc__},
-    {"firstkey",  (PyCFunction)dbm_firstkey,METH_NOARGS, dbm_firstkey__doc__},
-    {"nextkey",   (PyCFunction)dbm_nextkey, METH_VARARGS, dbm_nextkey__doc__},
-    {"reorganize",(PyCFunction)dbm_reorganize,METH_NOARGS, dbm_reorganize__doc__},
-    {"sync",      (PyCFunction)dbm_sync,    METH_NOARGS, dbm_sync__doc__},
-    {"get",       (PyCFunction)dbm_get,     METH_VARARGS, dbm_get__doc__},
-    {"setdefault",(PyCFunction)dbm_setdefault,METH_VARARGS, dbm_setdefault__doc__},
+    _GDBM_GDBM_CLOSE_METHODDEF
+    _GDBM_GDBM_KEYS_METHODDEF
+    _GDBM_GDBM_FIRSTKEY_METHODDEF
+    _GDBM_GDBM_NEXTKEY_METHODDEF
+    _GDBM_GDBM_REORGANIZE_METHODDEF
+    _GDBM_GDBM_SYNC_METHODDEF
+    _GDBM_GDBM_GET_METHODDEF
+    _GDBM_GDBM_GET_METHODDEF
+    _GDBM_GDBM_SETDEFAULT_METHODDEF
     {"__enter__", dbm__enter__, METH_NOARGS, NULL},
     {"__exit__",  dbm__exit__, METH_VARARGS, NULL},
     {NULL,              NULL}           /* sentinel */
@@ -486,40 +530,44 @@ static PyTypeObject Dbmtype = {
 
 /* ----------------------------------------------------------------- */
 
-PyDoc_STRVAR(dbmopen__doc__,
-"open(filename, [flags, [mode]])  -> dbm_object\n\
-Open a dbm database and return a dbm object. The filename argument is\n\
-the name of the database file.\n\
-\n\
-The optional flags argument can be 'r' (to open an existing database\n\
-for reading only -- default), 'w' (to open an existing database for\n\
-reading and writing), 'c' (which creates the database if it doesn't\n\
-exist), or 'n' (which always creates a new empty database).\n\
-\n\
-Some versions of gdbm support additional flags which must be\n\
-appended to one of the flags described above. The module constant\n\
-'open_flags' is a string of valid additional flags. The 'f' flag\n\
-opens the database in fast mode; altered data will not automatically\n\
-be written to the disk after every change. This results in faster\n\
-writes to the database, but may result in an inconsistent database\n\
-if the program crashes while the database is still open. Use the\n\
-sync() method to force any unwritten data to be written to the disk.\n\
-The 's' flag causes all database operations to be synchronized to\n\
-disk. The 'u' flag disables locking of the database file.\n\
-\n\
-The optional mode argument is the Unix mode of the file, used only\n\
-when the database has to be created. It defaults to octal 0666. ");
+/*[clinic input]
+_gdbm.open as dbmopen
+    filename as name: str
+    flags: str="r"
+    mode: int(py_default="0o666") = 0o666
+    /
+
+Open a dbm database and return a dbm object.
+
+The filename argument is the name of the database file.
+
+The optional flags argument can be 'r' (to open an existing database
+for reading only -- default), 'w' (to open an existing database for
+reading and writing), 'c' (which creates the database if it doesn't
+exist), or 'n' (which always creates a new empty database).
+
+Some versions of gdbm support additional flags which must be
+appended to one of the flags described above.  The module constant
+'open_flags' is a string of valid additional flags.  The 'f' flag
+opens the database in fast mode; altered data will not automatically
+be written to the disk after every change.  This results in faster
+writes to the database, but may result in an inconsistent database
+if the program crashes while the database is still open.  Use the
+sync() method to force any unwritten data to be written to the disk.
+The 's' flag causes all database operations to be synchronized to
+disk.  The 'u' flag disables locking of the database file.
+
+The optional mode argument is the Unix mode of the file, used only
+when the database has to be created.  It defaults to octal 0o666.
+[clinic start generated code]*/
 
 static PyObject *
-dbmopen(PyObject *self, PyObject *args)
+dbmopen_impl(PyModuleDef *module, const char *name, const char *flags,
+             int mode)
+/*[clinic end generated code: output=365b31415c03ccd4 input=55563cd60e51984a]*/
 {
-    char *name;
-    char *flags = "r";
     int iflags;
-    int mode = 0666;
 
-    if (!PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode))
-        return NULL;
     switch (flags[0]) {
     case 'r':
         iflags = GDBM_READER;
@@ -580,7 +628,7 @@ static char dbmmodule_open_flags[] = "rwcn"
                                      ;
 
 static PyMethodDef dbmmodule_methods[] = {
-    { "open", (PyCFunction)dbmopen, METH_VARARGS, dbmopen__doc__},
+    DBMOPEN_METHODDEF
     { 0, 0 },
 };
 
diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
index 6a2a9af..1566b18 100644
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -31,10 +31,6 @@
 #define HASH_OBJ_CONSTRUCTOR 0
 #endif
 
-/* Minimum OpenSSL version needed to support sha224 and higher. */
-#if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x00908000)
-#define _OPENSSL_SUPPORTS_SHA2
-#endif
 
 typedef struct {
     PyObject_HEAD
@@ -56,12 +52,10 @@ static PyTypeObject EVPtype;
 
 DEFINE_CONSTS_FOR_NEW(md5)
 DEFINE_CONSTS_FOR_NEW(sha1)
-#ifdef _OPENSSL_SUPPORTS_SHA2
 DEFINE_CONSTS_FOR_NEW(sha224)
 DEFINE_CONSTS_FOR_NEW(sha256)
 DEFINE_CONSTS_FOR_NEW(sha384)
 DEFINE_CONSTS_FOR_NEW(sha512)
-#endif
 
 
 static EVPobject *
@@ -798,12 +792,10 @@ generate_hash_name_list(void)
 
 GEN_CONSTRUCTOR(md5)
 GEN_CONSTRUCTOR(sha1)
-#ifdef _OPENSSL_SUPPORTS_SHA2
 GEN_CONSTRUCTOR(sha224)
 GEN_CONSTRUCTOR(sha256)
 GEN_CONSTRUCTOR(sha384)
 GEN_CONSTRUCTOR(sha512)
-#endif
 
 /* List of functions exported by this module */
 
@@ -815,12 +807,10 @@ static struct PyMethodDef EVP_functions[] = {
 #endif
     CONSTRUCTOR_METH_DEF(md5),
     CONSTRUCTOR_METH_DEF(sha1),
-#ifdef _OPENSSL_SUPPORTS_SHA2
     CONSTRUCTOR_METH_DEF(sha224),
     CONSTRUCTOR_METH_DEF(sha256),
     CONSTRUCTOR_METH_DEF(sha384),
     CONSTRUCTOR_METH_DEF(sha512),
-#endif
     {NULL,      NULL}            /* Sentinel */
 };
 
@@ -877,11 +867,9 @@ PyInit__hashlib(void)
     /* these constants are used by the convenience constructors */
     INIT_CONSTRUCTOR_CONSTANTS(md5);
     INIT_CONSTRUCTOR_CONSTANTS(sha1);
-#ifdef _OPENSSL_SUPPORTS_SHA2
     INIT_CONSTRUCTOR_CONSTANTS(sha224);
     INIT_CONSTRUCTOR_CONSTANTS(sha256);
     INIT_CONSTRUCTOR_CONSTANTS(sha384);
     INIT_CONSTRUCTOR_CONSTANTS(sha512);
-#endif
     return m;
 }
diff --git a/Modules/_heapqmodule.c b/Modules/_heapqmodule.c
index eee56a0..4372ad4 100644
--- a/Modules/_heapqmodule.c
+++ b/Modules/_heapqmodule.c
@@ -9,12 +9,11 @@ annotated by François Pinard, and converted to C by Raymond Hettinger.
 #include "Python.h"
 
 static int
-_siftdown(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
+siftdown(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
 {
-    PyObject *newitem, *parent, *olditem;
+    PyObject *newitem, *parent;
+    Py_ssize_t parentpos, size;
     int cmp;
-    Py_ssize_t parentpos;
-    Py_ssize_t size;
 
     assert(PyList_Check(heap));
     size = PyList_GET_SIZE(heap);
@@ -23,60 +22,45 @@ _siftdown(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
         return -1;
     }
 
-    newitem = PyList_GET_ITEM(heap, pos);
-    Py_INCREF(newitem);
     /* Follow the path to the root, moving parents down until finding
        a place newitem fits. */
-    while (pos > startpos){
+    newitem = PyList_GET_ITEM(heap, pos);
+    while (pos > startpos) {
         parentpos = (pos - 1) >> 1;
         parent = PyList_GET_ITEM(heap, parentpos);
         cmp = PyObject_RichCompareBool(newitem, parent, Py_LT);
-        if (cmp == -1) {
-            Py_DECREF(newitem);
+        if (cmp == -1)
             return -1;
-        }
         if (size != PyList_GET_SIZE(heap)) {
-            Py_DECREF(newitem);
             PyErr_SetString(PyExc_RuntimeError,
                             "list changed size during iteration");
             return -1;
         }
         if (cmp == 0)
             break;
-        Py_INCREF(parent);
-        olditem = PyList_GET_ITEM(heap, pos);
+        parent = PyList_GET_ITEM(heap, parentpos);
+        newitem = PyList_GET_ITEM(heap, pos);
+        PyList_SET_ITEM(heap, parentpos, newitem);
         PyList_SET_ITEM(heap, pos, parent);
-        Py_DECREF(olditem);
         pos = parentpos;
-        if (size != PyList_GET_SIZE(heap)) {
-            PyErr_SetString(PyExc_RuntimeError,
-                            "list changed size during iteration");
-            return -1;
-        }
     }
-    Py_DECREF(PyList_GET_ITEM(heap, pos));
-    PyList_SET_ITEM(heap, pos, newitem);
     return 0;
 }
 
 static int
-_siftup(PyListObject *heap, Py_ssize_t pos)
+siftup(PyListObject *heap, Py_ssize_t pos)
 {
     Py_ssize_t startpos, endpos, childpos, rightpos, limit;
+    PyObject *tmp1, *tmp2;
     int cmp;
-    PyObject *newitem, *tmp, *olditem;
-    Py_ssize_t size;
 
     assert(PyList_Check(heap));
-    size = PyList_GET_SIZE(heap);
-    endpos = size;
+    endpos = PyList_GET_SIZE(heap);
     startpos = pos;
     if (pos >= endpos) {
         PyErr_SetString(PyExc_IndexError, "index out of range");
         return -1;
     }
-    newitem = PyList_GET_ITEM(heap, pos);
-    Py_INCREF(newitem);
 
     /* Bubble up the smaller child until hitting a leaf. */
     limit = endpos / 2;          /* smallest pos that has no child */
@@ -89,38 +73,25 @@ _siftup(PyListObject *heap, Py_ssize_t pos)
                 PyList_GET_ITEM(heap, childpos),
                 PyList_GET_ITEM(heap, rightpos),
                 Py_LT);
-            if (cmp == -1) {
-                Py_DECREF(newitem);
+            if (cmp == -1)
                 return -1;
-            }
             if (cmp == 0)
                 childpos = rightpos;
-        }
-        if (size != PyList_GET_SIZE(heap)) {
-            Py_DECREF(newitem);
-            PyErr_SetString(PyExc_RuntimeError,
-                            "list changed size during iteration");
-            return -1;
+            if (endpos != PyList_GET_SIZE(heap)) {
+                PyErr_SetString(PyExc_RuntimeError,
+                                "list changed size during iteration");
+                return -1;
+            }
         }
         /* Move the smaller child up. */
-        tmp = PyList_GET_ITEM(heap, childpos);
-        Py_INCREF(tmp);
-        olditem = PyList_GET_ITEM(heap, pos);
-        PyList_SET_ITEM(heap, pos, tmp);
-        Py_DECREF(olditem);
+        tmp1 = PyList_GET_ITEM(heap, childpos);
+        tmp2 = PyList_GET_ITEM(heap, pos);
+        PyList_SET_ITEM(heap, childpos, tmp2);
+        PyList_SET_ITEM(heap, pos, tmp1);
         pos = childpos;
-        if (size != PyList_GET_SIZE(heap)) {
-            PyErr_SetString(PyExc_RuntimeError,
-                            "list changed size during iteration");
-            return -1;
-        }
     }
-
-    /* The leaf at pos is empty now.  Put newitem there, and bubble
-       it up to its final resting place (by sifting its parents down). */
-    Py_DECREF(PyList_GET_ITEM(heap, pos));
-    PyList_SET_ITEM(heap, pos, newitem);
-    return _siftdown(heap, startpos, pos);
+    /* Bubble it up to its final resting place (by sifting its parents down). */
+    return siftdown(heap, startpos, pos);
 }
 
 static PyObject *
@@ -139,17 +110,16 @@ heappush(PyObject *self, PyObject *args)
     if (PyList_Append(heap, item) == -1)
         return NULL;
 
-    if (_siftdown((PyListObject *)heap, 0, PyList_GET_SIZE(heap)-1) == -1)
+    if (siftdown((PyListObject *)heap, 0, PyList_GET_SIZE(heap)-1) == -1)
         return NULL;
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 PyDoc_STRVAR(heappush_doc,
 "heappush(heap, item) -> None. Push item onto heap, maintaining the heap invariant.");
 
 static PyObject *
-heappop(PyObject *self, PyObject *heap)
+heappop_internal(PyObject *heap, int siftup_func(PyListObject *, Py_ssize_t))
 {
     PyObject *lastelt, *returnitem;
     Py_ssize_t n;
@@ -159,7 +129,7 @@ heappop(PyObject *self, PyObject *heap)
         return NULL;
     }
 
-    /* # raises appropriate IndexError if heap is empty */
+    /* raises IndexError if the heap is empty */
     n = PyList_GET_SIZE(heap);
     if (n == 0) {
         PyErr_SetString(PyExc_IndexError, "index out of range");
@@ -178,18 +148,24 @@ heappop(PyObject *self, PyObject *heap)
         return lastelt;
     returnitem = PyList_GET_ITEM(heap, 0);
     PyList_SET_ITEM(heap, 0, lastelt);
-    if (_siftup((PyListObject *)heap, 0) == -1) {
+    if (siftup_func((PyListObject *)heap, 0) == -1) {
         Py_DECREF(returnitem);
         return NULL;
     }
     return returnitem;
 }
 
+static PyObject *
+heappop(PyObject *self, PyObject *heap)
+{
+    return heappop_internal(heap, siftup);
+}
+
 PyDoc_STRVAR(heappop_doc,
 "Pop the smallest item off the heap, maintaining the heap invariant.");
 
 static PyObject *
-heapreplace(PyObject *self, PyObject *args)
+heapreplace_internal(PyObject *args, int siftup_func(PyListObject *, Py_ssize_t))
 {
     PyObject *heap, *item, *returnitem;
 
@@ -209,13 +185,19 @@ heapreplace(PyObject *self, PyObject *args)
     returnitem = PyList_GET_ITEM(heap, 0);
     Py_INCREF(item);
     PyList_SET_ITEM(heap, 0, item);
-    if (_siftup((PyListObject *)heap, 0) == -1) {
+    if (siftup_func((PyListObject *)heap, 0) == -1) {
         Py_DECREF(returnitem);
         return NULL;
     }
     return returnitem;
 }
 
+static PyObject *
+heapreplace(PyObject *self, PyObject *args)
+{
+    return heapreplace_internal(args, siftup);
+}
+
 PyDoc_STRVAR(heapreplace_doc,
 "heapreplace(heap, item) -> value. Pop and return the current smallest value, and add the new item.\n\
 \n\
@@ -256,7 +238,7 @@ heappushpop(PyObject *self, PyObject *args)
     returnitem = PyList_GET_ITEM(heap, 0);
     Py_INCREF(item);
     PyList_SET_ITEM(heap, 0, item);
-    if (_siftup((PyListObject *)heap, 0) == -1) {
+    if (siftup((PyListObject *)heap, 0) == -1) {
         Py_DECREF(returnitem);
         return NULL;
     }
@@ -269,7 +251,7 @@ from the heap. The combined action runs more efficiently than\n\
 heappush() followed by a separate call to heappop().");
 
 static PyObject *
-heapify(PyObject *self, PyObject *heap)
+heapify_internal(PyObject *heap, int siftup_func(PyListObject *, Py_ssize_t))
 {
     Py_ssize_t i, n;
 
@@ -287,141 +269,65 @@ heapify(PyObject *self, PyObject *heap)
        and that's again n//2-1.
     */
     for (i=n/2-1 ; i>=0 ; i--)
-        if(_siftup((PyListObject *)heap, i) == -1)
+        if(siftup_func((PyListObject *)heap, i) == -1)
             return NULL;
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(heapify_doc,
-"Transform list into a heap, in-place, in O(len(heap)) time.");
-
 static PyObject *
-nlargest(PyObject *self, PyObject *args)
+heapify(PyObject *self, PyObject *heap)
 {
-    PyObject *heap=NULL, *elem, *iterable, *sol, *it, *oldelem;
-    Py_ssize_t i, n;
-    int cmp;
-
-    if (!PyArg_ParseTuple(args, "nO:nlargest", &n, &iterable))
-        return NULL;
-
-    it = PyObject_GetIter(iterable);
-    if (it == NULL)
-        return NULL;
-
-    heap = PyList_New(0);
-    if (heap == NULL)
-        goto fail;
-
-    for (i=0 ; i<n ; i++ ){
-        elem = PyIter_Next(it);
-        if (elem == NULL) {
-            if (PyErr_Occurred())
-                goto fail;
-            else
-                goto sortit;
-        }
-        if (PyList_Append(heap, elem) == -1) {
-            Py_DECREF(elem);
-            goto fail;
-        }
-        Py_DECREF(elem);
-    }
-    if (PyList_GET_SIZE(heap) == 0)
-        goto sortit;
-
-    for (i=n/2-1 ; i>=0 ; i--)
-        if(_siftup((PyListObject *)heap, i) == -1)
-            goto fail;
-
-    sol = PyList_GET_ITEM(heap, 0);
-    while (1) {
-        elem = PyIter_Next(it);
-        if (elem == NULL) {
-            if (PyErr_Occurred())
-                goto fail;
-            else
-                goto sortit;
-        }
-        cmp = PyObject_RichCompareBool(sol, elem, Py_LT);
-        if (cmp == -1) {
-            Py_DECREF(elem);
-            goto fail;
-        }
-        if (cmp == 0) {
-            Py_DECREF(elem);
-            continue;
-        }
-        oldelem = PyList_GET_ITEM(heap, 0);
-        PyList_SET_ITEM(heap, 0, elem);
-        Py_DECREF(oldelem);
-        if (_siftup((PyListObject *)heap, 0) == -1)
-            goto fail;
-        sol = PyList_GET_ITEM(heap, 0);
-    }
-sortit:
-    if (PyList_Sort(heap) == -1)
-        goto fail;
-    if (PyList_Reverse(heap) == -1)
-        goto fail;
-    Py_DECREF(it);
-    return heap;
-
-fail:
-    Py_DECREF(it);
-    Py_XDECREF(heap);
-    return NULL;
+    return heapify_internal(heap, siftup);
 }
 
-PyDoc_STRVAR(nlargest_doc,
-"Find the n largest elements in a dataset.\n\
-\n\
-Equivalent to:  sorted(iterable, reverse=True)[:n]\n");
+PyDoc_STRVAR(heapify_doc,
+"Transform list into a heap, in-place, in O(len(heap)) time.");
 
 static int
-_siftdownmax(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
+siftdown_max(PyListObject *heap, Py_ssize_t startpos, Py_ssize_t pos)
 {
     PyObject *newitem, *parent;
+    Py_ssize_t parentpos, size;
     int cmp;
-    Py_ssize_t parentpos;
 
     assert(PyList_Check(heap));
-    if (pos >= PyList_GET_SIZE(heap)) {
+    size = PyList_GET_SIZE(heap);
+    if (pos >= size) {
         PyErr_SetString(PyExc_IndexError, "index out of range");
         return -1;
     }
 
-    newitem = PyList_GET_ITEM(heap, pos);
-    Py_INCREF(newitem);
     /* Follow the path to the root, moving parents down until finding
        a place newitem fits. */
-    while (pos > startpos){
+    newitem = PyList_GET_ITEM(heap, pos);
+    while (pos > startpos) {
         parentpos = (pos - 1) >> 1;
         parent = PyList_GET_ITEM(heap, parentpos);
         cmp = PyObject_RichCompareBool(parent, newitem, Py_LT);
-        if (cmp == -1) {
-            Py_DECREF(newitem);
+        if (cmp == -1)
+            return -1;
+        if (size != PyList_GET_SIZE(heap)) {
+            PyErr_SetString(PyExc_RuntimeError,
+                            "list changed size during iteration");
             return -1;
         }
         if (cmp == 0)
             break;
-        Py_INCREF(parent);
-        Py_DECREF(PyList_GET_ITEM(heap, pos));
+        parent = PyList_GET_ITEM(heap, parentpos);
+        newitem = PyList_GET_ITEM(heap, pos);
+        PyList_SET_ITEM(heap, parentpos, newitem);
         PyList_SET_ITEM(heap, pos, parent);
         pos = parentpos;
     }
-    Py_DECREF(PyList_GET_ITEM(heap, pos));
-    PyList_SET_ITEM(heap, pos, newitem);
     return 0;
 }
 
 static int
-_siftupmax(PyListObject *heap, Py_ssize_t pos)
+siftup_max(PyListObject *heap, Py_ssize_t pos)
 {
     Py_ssize_t startpos, endpos, childpos, rightpos, limit;
+    PyObject *tmp1, *tmp2;
     int cmp;
-    PyObject *newitem, *tmp;
 
     assert(PyList_Check(heap));
     endpos = PyList_GET_SIZE(heap);
@@ -430,8 +336,6 @@ _siftupmax(PyListObject *heap, Py_ssize_t pos)
         PyErr_SetString(PyExc_IndexError, "index out of range");
         return -1;
     }
-    newitem = PyList_GET_ITEM(heap, pos);
-    Py_INCREF(newitem);
 
     /* Bubble up the smaller child until hitting a leaf. */
     limit = endpos / 2;          /* smallest pos that has no child */
@@ -444,111 +348,50 @@ _siftupmax(PyListObject *heap, Py_ssize_t pos)
                 PyList_GET_ITEM(heap, rightpos),
                 PyList_GET_ITEM(heap, childpos),
                 Py_LT);
-            if (cmp == -1) {
-                Py_DECREF(newitem);
+            if (cmp == -1)
                 return -1;
-            }
             if (cmp == 0)
                 childpos = rightpos;
+            if (endpos != PyList_GET_SIZE(heap)) {
+                PyErr_SetString(PyExc_RuntimeError,
+                                "list changed size during iteration");
+                return -1;
+            }
         }
         /* Move the smaller child up. */
-        tmp = PyList_GET_ITEM(heap, childpos);
-        Py_INCREF(tmp);
-        Py_DECREF(PyList_GET_ITEM(heap, pos));
-        PyList_SET_ITEM(heap, pos, tmp);
+        tmp1 = PyList_GET_ITEM(heap, childpos);
+        tmp2 = PyList_GET_ITEM(heap, pos);
+        PyList_SET_ITEM(heap, childpos, tmp2);
+        PyList_SET_ITEM(heap, pos, tmp1);
         pos = childpos;
     }
-
-    /* The leaf at pos is empty now.  Put newitem there, and bubble
-       it up to its final resting place (by sifting its parents down). */
-    Py_DECREF(PyList_GET_ITEM(heap, pos));
-    PyList_SET_ITEM(heap, pos, newitem);
-    return _siftdownmax(heap, startpos, pos);
+    /* Bubble it up to its final resting place (by sifting its parents down). */
+    return siftdown_max(heap, startpos, pos);
 }
 
 static PyObject *
-nsmallest(PyObject *self, PyObject *args)
+heappop_max(PyObject *self, PyObject *heap)
 {
-    PyObject *heap=NULL, *elem, *iterable, *los, *it, *oldelem;
-    Py_ssize_t i, n;
-    int cmp;
-
-    if (!PyArg_ParseTuple(args, "nO:nsmallest", &n, &iterable))
-        return NULL;
-
-    it = PyObject_GetIter(iterable);
-    if (it == NULL)
-        return NULL;
-
-    heap = PyList_New(0);
-    if (heap == NULL)
-        goto fail;
-
-    for (i=0 ; i<n ; i++ ){
-        elem = PyIter_Next(it);
-        if (elem == NULL) {
-            if (PyErr_Occurred())
-                goto fail;
-            else
-                goto sortit;
-        }
-        if (PyList_Append(heap, elem) == -1) {
-            Py_DECREF(elem);
-            goto fail;
-        }
-        Py_DECREF(elem);
-    }
-    n = PyList_GET_SIZE(heap);
-    if (n == 0)
-        goto sortit;
+    return heappop_internal(heap, siftup_max);
+}
 
-    for (i=n/2-1 ; i>=0 ; i--)
-        if(_siftupmax((PyListObject *)heap, i) == -1)
-            goto fail;
-
-    los = PyList_GET_ITEM(heap, 0);
-    while (1) {
-        elem = PyIter_Next(it);
-        if (elem == NULL) {
-            if (PyErr_Occurred())
-                goto fail;
-            else
-                goto sortit;
-        }
-        cmp = PyObject_RichCompareBool(elem, los, Py_LT);
-        if (cmp == -1) {
-            Py_DECREF(elem);
-            goto fail;
-        }
-        if (cmp == 0) {
-            Py_DECREF(elem);
-            continue;
-        }
+PyDoc_STRVAR(heappop_max_doc, "Maxheap variant of heappop.");
 
-        oldelem = PyList_GET_ITEM(heap, 0);
-        PyList_SET_ITEM(heap, 0, elem);
-        Py_DECREF(oldelem);
-        if (_siftupmax((PyListObject *)heap, 0) == -1)
-            goto fail;
-        los = PyList_GET_ITEM(heap, 0);
-    }
+static PyObject *
+heapreplace_max(PyObject *self, PyObject *args)
+{
+    return heapreplace_internal(args, siftup_max);
+}
 
-sortit:
-    if (PyList_Sort(heap) == -1)
-        goto fail;
-    Py_DECREF(it);
-    return heap;
+PyDoc_STRVAR(heapreplace_max_doc, "Maxheap variant of heapreplace");
 
-fail:
-    Py_DECREF(it);
-    Py_XDECREF(heap);
-    return NULL;
+static PyObject *
+heapify_max(PyObject *self, PyObject *heap)
+{
+    return heapify_internal(heap, siftup_max);
 }
 
-PyDoc_STRVAR(nsmallest_doc,
-"Find the n smallest elements in a dataset.\n\
-\n\
-Equivalent to:  sorted(iterable)[:n]\n");
+PyDoc_STRVAR(heapify_max_doc, "Maxheap variant of heapify.");
 
 static PyMethodDef heapq_methods[] = {
     {"heappush",        (PyCFunction)heappush,
@@ -561,10 +404,12 @@ static PyMethodDef heapq_methods[] = {
         METH_VARARGS,           heapreplace_doc},
     {"heapify",         (PyCFunction)heapify,
         METH_O,                 heapify_doc},
-    {"nlargest",        (PyCFunction)nlargest,
-        METH_VARARGS,           nlargest_doc},
-    {"nsmallest",       (PyCFunction)nsmallest,
-        METH_VARARGS,           nsmallest_doc},
+    {"_heappop_max",    (PyCFunction)heappop_max,
+        METH_O,                 heappop_max_doc},
+    {"_heapreplace_max",(PyCFunction)heapreplace_max,
+        METH_VARARGS,           heapreplace_max_doc},
+    {"_heapify_max",    (PyCFunction)heapify_max,
+        METH_O,                 heapify_max_doc},
     {NULL,              NULL}           /* sentinel */
 };
 
diff --git a/Modules/_io/_iomodule.c b/Modules/_io/_iomodule.c
index 45c31a5..ea727f2 100644
--- a/Modules/_io/_iomodule.c
+++ b/Modules/_io/_iomodule.c
@@ -93,140 +93,145 @@ PyDoc_STRVAR(module_doc,
 /*
  * The main open() function
  */
-PyDoc_STRVAR(open_doc,
-"open(file, mode='r', buffering=-1, encoding=None,\n"
-"     errors=None, newline=None, closefd=True, opener=None) -> file object\n"
-"\n"
-"Open file and return a stream.  Raise IOError upon failure.\n"
-"\n"
-"file is either a text or byte string giving the name (and the path\n"
-"if the file isn't in the current working directory) of the file to\n"
-"be opened or an integer file descriptor of the file to be\n"
-"wrapped. (If a file descriptor is given, it is closed when the\n"
-"returned I/O object is closed, unless closefd is set to False.)\n"
-"\n"
-"mode is an optional string that specifies the mode in which the file\n"
-"is opened. It defaults to 'r' which means open for reading in text\n"
-"mode.  Other common values are 'w' for writing (truncating the file if\n"
-"it already exists), 'x' for creating and writing to a new file, and\n"
-"'a' for appending (which on some Unix systems, means that all writes\n"
-"append to the end of the file regardless of the current seek position).\n"
-"In text mode, if encoding is not specified the encoding used is platform\n"
-"dependent: locale.getpreferredencoding(False) is called to get the\n"
-"current locale encoding. (For reading and writing raw bytes use binary\n"
-"mode and leave encoding unspecified.) The available modes are:\n"
-"\n"
-"========= ===============================================================\n"
-"Character Meaning\n"
-"--------- ---------------------------------------------------------------\n"
-"'r'       open for reading (default)\n"
-"'w'       open for writing, truncating the file first\n"
-"'x'       create a new file and open it for writing\n"
-"'a'       open for writing, appending to the end of the file if it exists\n"
-"'b'       binary mode\n"
-"'t'       text mode (default)\n"
-"'+'       open a disk file for updating (reading and writing)\n"
-"'U'       universal newline mode (deprecated)\n"
-"========= ===============================================================\n"
-"\n"
-"The default mode is 'rt' (open for reading text). For binary random\n"
-"access, the mode 'w+b' opens and truncates the file to 0 bytes, while\n"
-"'r+b' opens the file without truncation. The 'x' mode implies 'w' and\n"
-"raises an `FileExistsError` if the file already exists.\n"
-"\n"
-"Python distinguishes between files opened in binary and text modes,\n"
-"even when the underlying operating system doesn't. Files opened in\n"
-"binary mode (appending 'b' to the mode argument) return contents as\n"
-"bytes objects without any decoding. In text mode (the default, or when\n"
-"'t' is appended to the mode argument), the contents of the file are\n"
-"returned as strings, the bytes having been first decoded using a\n"
-"platform-dependent encoding or using the specified encoding if given.\n"
-"\n"
-"'U' mode is deprecated and will raise an exception in future versions\n"
-"of Python.  It has no effect in Python 3.  Use newline to control\n"
-"universal newlines mode.\n"
-"\n"
-"buffering is an optional integer used to set the buffering policy.\n"
-"Pass 0 to switch buffering off (only allowed in binary mode), 1 to select\n"
-"line buffering (only usable in text mode), and an integer > 1 to indicate\n"
-"the size of a fixed-size chunk buffer.  When no buffering argument is\n"
-"given, the default buffering policy works as follows:\n"
-"\n"
-"* Binary files are buffered in fixed-size chunks; the size of the buffer\n"
-"  is chosen using a heuristic trying to determine the underlying device's\n"
-"  \"block size\" and falling back on `io.DEFAULT_BUFFER_SIZE`.\n"
-"  On many systems, the buffer will typically be 4096 or 8192 bytes long.\n"
-"\n"
-"* \"Interactive\" text files (files for which isatty() returns True)\n"
-"  use line buffering.  Other text files use the policy described above\n"
-"  for binary files.\n"
-"\n"
-"encoding is the name of the encoding used to decode or encode the\n"
-"file. This should only be used in text mode. The default encoding is\n"
-"platform dependent, but any encoding supported by Python can be\n"
-"passed.  See the codecs module for the list of supported encodings.\n"
-"\n"
-"errors is an optional string that specifies how encoding errors are to\n"
-"be handled---this argument should not be used in binary mode. Pass\n"
-"'strict' to raise a ValueError exception if there is an encoding error\n"
-"(the default of None has the same effect), or pass 'ignore' to ignore\n"
-"errors. (Note that ignoring encoding errors can lead to data loss.)\n"
-"See the documentation for codecs.register or run 'help(codecs.Codec)'\n"
-"for a list of the permitted encoding error strings.\n"
-"\n"
-"newline controls how universal newlines works (it only applies to text\n"
-"mode). It can be None, '', '\\n', '\\r', and '\\r\\n'.  It works as\n"
-"follows:\n"
-"\n"
-"* On input, if newline is None, universal newlines mode is\n"
-"  enabled. Lines in the input can end in '\\n', '\\r', or '\\r\\n', and\n"
-"  these are translated into '\\n' before being returned to the\n"
-"  caller. If it is '', universal newline mode is enabled, but line\n"
-"  endings are returned to the caller untranslated. If it has any of\n"
-"  the other legal values, input lines are only terminated by the given\n"
-"  string, and the line ending is returned to the caller untranslated.\n"
-"\n"
-"* On output, if newline is None, any '\\n' characters written are\n"
-"  translated to the system default line separator, os.linesep. If\n"
-"  newline is '' or '\\n', no translation takes place. If newline is any\n"
-"  of the other legal values, any '\\n' characters written are translated\n"
-"  to the given string.\n"
-"\n"
-"If closefd is False, the underlying file descriptor will be kept open\n"
-"when the file is closed. This does not work when a file name is given\n"
-"and must be True in that case.\n"
-"\n"
-"A custom opener can be used by passing a callable as *opener*. The\n"
-"underlying file descriptor for the file object is then obtained by\n"
-"calling *opener* with (*file*, *flags*). *opener* must return an open\n"
-"file descriptor (passing os.open as *opener* results in functionality\n"
-"similar to passing None).\n"
-"\n"
-"open() returns a file object whose type depends on the mode, and\n"
-"through which the standard file operations such as reading and writing\n"
-"are performed. When open() is used to open a file in a text mode ('w',\n"
-"'r', 'wt', 'rt', etc.), it returns a TextIOWrapper. When used to open\n"
-"a file in a binary mode, the returned class varies: in read binary\n"
-"mode, it returns a BufferedReader; in write binary and append binary\n"
-"modes, it returns a BufferedWriter, and in read/write mode, it returns\n"
-"a BufferedRandom.\n"
-"\n"
-"It is also possible to use a string or bytearray as a file for both\n"
-"reading and writing. For strings StringIO can be used like a file\n"
-"opened in a text mode, and for bytes a BytesIO can be used like a file\n"
-"opened in a binary mode.\n"
-    );
+/*[clinic input]
+module _io
+
+_io.open
+    file: object
+    mode: str = "r"
+    buffering: int = -1
+    encoding: str(nullable=True) = NULL
+    errors: str(nullable=True) = NULL
+    newline: str(nullable=True) = NULL
+    closefd: int(c_default="1") = True
+    opener: object = None
+
+Open file and return a stream.  Raise IOError upon failure.
+
+file is either a text or byte string giving the name (and the path
+if the file isn't in the current working directory) of the file to
+be opened or an integer file descriptor of the file to be
+wrapped. (If a file descriptor is given, it is closed when the
+returned I/O object is closed, unless closefd is set to False.)
+
+mode is an optional string that specifies the mode in which the file
+is opened. It defaults to 'r' which means open for reading in text
+mode.  Other common values are 'w' for writing (truncating the file if
+it already exists), 'x' for creating and writing to a new file, and
+'a' for appending (which on some Unix systems, means that all writes
+append to the end of the file regardless of the current seek position).
+In text mode, if encoding is not specified the encoding used is platform
+dependent: locale.getpreferredencoding(False) is called to get the
+current locale encoding. (For reading and writing raw bytes use binary
+mode and leave encoding unspecified.) The available modes are:
+
+========= ===============================================================
+Character Meaning
+--------- ---------------------------------------------------------------
+'r'       open for reading (default)
+'w'       open for writing, truncating the file first
+'x'       create a new file and open it for writing
+'a'       open for writing, appending to the end of the file if it exists
+'b'       binary mode
+'t'       text mode (default)
+'+'       open a disk file for updating (reading and writing)
+'U'       universal newline mode (deprecated)
+========= ===============================================================
+
+The default mode is 'rt' (open for reading text). For binary random
+access, the mode 'w+b' opens and truncates the file to 0 bytes, while
+'r+b' opens the file without truncation. The 'x' mode implies 'w' and
+raises an `FileExistsError` if the file already exists.
+
+Python distinguishes between files opened in binary and text modes,
+even when the underlying operating system doesn't. Files opened in
+binary mode (appending 'b' to the mode argument) return contents as
+bytes objects without any decoding. In text mode (the default, or when
+'t' is appended to the mode argument), the contents of the file are
+returned as strings, the bytes having been first decoded using a
+platform-dependent encoding or using the specified encoding if given.
+
+'U' mode is deprecated and will raise an exception in future versions
+of Python.  It has no effect in Python 3.  Use newline to control
+universal newlines mode.
+
+buffering is an optional integer used to set the buffering policy.
+Pass 0 to switch buffering off (only allowed in binary mode), 1 to select
+line buffering (only usable in text mode), and an integer > 1 to indicate
+the size of a fixed-size chunk buffer.  When no buffering argument is
+given, the default buffering policy works as follows:
+
+* Binary files are buffered in fixed-size chunks; the size of the buffer
+  is chosen using a heuristic trying to determine the underlying device's
+  "block size" and falling back on `io.DEFAULT_BUFFER_SIZE`.
+  On many systems, the buffer will typically be 4096 or 8192 bytes long.
+
+* "Interactive" text files (files for which isatty() returns True)
+  use line buffering.  Other text files use the policy described above
+  for binary files.
+
+encoding is the name of the encoding used to decode or encode the
+file. This should only be used in text mode. The default encoding is
+platform dependent, but any encoding supported by Python can be
+passed.  See the codecs module for the list of supported encodings.
+
+errors is an optional string that specifies how encoding errors are to
+be handled---this argument should not be used in binary mode. Pass
+'strict' to raise a ValueError exception if there is an encoding error
+(the default of None has the same effect), or pass 'ignore' to ignore
+errors. (Note that ignoring encoding errors can lead to data loss.)
+See the documentation for codecs.register or run 'help(codecs.Codec)'
+for a list of the permitted encoding error strings.
+
+newline controls how universal newlines works (it only applies to text
+mode). It can be None, '', '\n', '\r', and '\r\n'.  It works as
+follows:
+
+* On input, if newline is None, universal newlines mode is
+  enabled. Lines in the input can end in '\n', '\r', or '\r\n', and
+  these are translated into '\n' before being returned to the
+  caller. If it is '', universal newline mode is enabled, but line
+  endings are returned to the caller untranslated. If it has any of
+  the other legal values, input lines are only terminated by the given
+  string, and the line ending is returned to the caller untranslated.
+
+* On output, if newline is None, any '\n' characters written are
+  translated to the system default line separator, os.linesep. If
+  newline is '' or '\n', no translation takes place. If newline is any
+  of the other legal values, any '\n' characters written are translated
+  to the given string.
+
+If closefd is False, the underlying file descriptor will be kept open
+when the file is closed. This does not work when a file name is given
+and must be True in that case.
+
+A custom opener can be used by passing a callable as *opener*. The
+underlying file descriptor for the file object is then obtained by
+calling *opener* with (*file*, *flags*). *opener* must return an open
+file descriptor (passing os.open as *opener* results in functionality
+similar to passing None).
+
+open() returns a file object whose type depends on the mode, and
+through which the standard file operations such as reading and writing
+are performed. When open() is used to open a file in a text mode ('w',
+'r', 'wt', 'rt', etc.), it returns a TextIOWrapper. When used to open
+a file in a binary mode, the returned class varies: in read binary
+mode, it returns a BufferedReader; in write binary and append binary
+modes, it returns a BufferedWriter, and in read/write mode, it returns
+a BufferedRandom.
+
+It is also possible to use a string or bytearray as a file for both
+reading and writing. For strings StringIO can be used like a file
+opened in a text mode, and for bytes a BytesIO can be used like a file
+opened in a binary mode.
+[clinic start generated code]*/
 
 static PyObject *
-io_open(PyObject *self, PyObject *args, PyObject *kwds)
+_io_open_impl(PyModuleDef *module, PyObject *file, const char *mode,
+              int buffering, const char *encoding, const char *errors,
+              const char *newline, int closefd, PyObject *opener)
+/*[clinic end generated code: output=7615d0d746eb14d2 input=0541ce15691a82f2]*/
 {
-    char *kwlist[] = {"file", "mode", "buffering",
-                      "encoding", "errors", "newline",
-                      "closefd", "opener", NULL};
-    PyObject *file, *opener = Py_None;
-    char *mode = "r";
-    int buffering = -1, closefd = 1;
-    char *encoding = NULL, *errors = NULL, *newline = NULL;
     unsigned i;
 
     int creating = 0, reading = 0, writing = 0, appending = 0, updating = 0;
@@ -237,18 +242,11 @@ io_open(PyObject *self, PyObject *args, PyObject *kwds)
 
     PyObject *raw, *modeobj = NULL, *buffer, *wrapper, *result = NULL;
 
+    _Py_IDENTIFIER(_blksize);
     _Py_IDENTIFIER(isatty);
-    _Py_IDENTIFIER(fileno);
     _Py_IDENTIFIER(mode);
     _Py_IDENTIFIER(close);
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|sizzziO:open", kwlist,
-                                     &file, &mode, &buffering,
-                                     &encoding, &errors, &newline,
-                                     &closefd, &opener)) {
-        return NULL;
-    }
-
     if (!PyUnicode_Check(file) &&
 	!PyBytes_Check(file) &&
 	!PyNumber_Check(file)) {
@@ -380,24 +378,14 @@ io_open(PyObject *self, PyObject *args, PyObject *kwds)
         line_buffering = 0;
 
     if (buffering < 0) {
-        buffering = DEFAULT_BUFFER_SIZE;
-#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
-        {
-            struct stat st;
-            long fileno;
-            PyObject *res = _PyObject_CallMethodId(raw, &PyId_fileno, NULL);
-            if (res == NULL)
-                goto error;
-
-            fileno = PyLong_AsLong(res);
-            Py_DECREF(res);
-            if (fileno == -1 && PyErr_Occurred())
-                goto error;
-
-            if (fstat(fileno, &st) >= 0 && st.st_blksize > 1)
-                buffering = st.st_blksize;
-        }
-#endif
+        PyObject *blksize_obj;
+        blksize_obj = _PyObject_GetAttrId(raw, &PyId__blksize);
+        if (blksize_obj == NULL)
+            goto error;
+        buffering = PyLong_AsLong(blksize_obj);
+        Py_DECREF(blksize_obj);
+        if (buffering == -1 && PyErr_Occurred())
+            goto error;
     }
     if (buffering < 0) {
         PyErr_SetString(PyExc_ValueError,
@@ -621,8 +609,10 @@ iomodule_free(PyObject *mod) {
  * Module definition
  */
 
+#include "clinic/_iomodule.c.h"
+
 static PyMethodDef module_methods[] = {
-    {"open", (PyCFunction)io_open, METH_VARARGS|METH_KEYWORDS, open_doc},
+    _IO_OPEN_METHODDEF
     {NULL, NULL}
 };
 
diff --git a/Modules/_io/_iomodule.h b/Modules/_io/_iomodule.h
index 8927864..9d5205e 100644
--- a/Modules/_io/_iomodule.h
+++ b/Modules/_io/_iomodule.h
@@ -69,7 +69,7 @@ extern int _PyIO_trap_eintr(void);
  * Offset type for positioning.
  */
 
-/* Printing a variable of type off_t (with e.g., PyString_FromFormat)
+/* Printing a variable of type off_t (with e.g., PyUnicode_FromFormat)
    correctly and without producing compiler warnings is surprisingly painful.
    We identify an integer type whose size matches off_t and then: (1) cast the
    off_t to that integer type and (2) use the appropriate conversion
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index 3606cc8..916353b 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -13,6 +13,24 @@
 #include "pythread.h"
 #include "_iomodule.h"
 
+/*[clinic input]
+module _io
+class _io._BufferedIOBase "PyObject *" "&PyBufferedIOBase_Type"
+class _io._Buffered "buffered *" "&PyBufferedIOBase_Type"
+class _io.BufferedReader "buffered *" "&PyBufferedReader_Type"
+class _io.BufferedWriter "buffered *" "&PyBufferedWriter_Type"
+class _io.BufferedRWPair "rwpair *" "&PyBufferedRWPair_Type"
+class _io.BufferedRandom "buffered *" "&PyBufferedRandom_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=59460b9c5639984d]*/
+
+/*[python input]
+class io_ssize_t_converter(CConverter):
+    type = 'Py_ssize_t'
+    converter = '_PyIO_ConvertSsize_t'
+[python start generated code]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=d0a811d3cbfd1b33]*/
+
 _Py_IDENTIFIER(close);
 _Py_IDENTIFIER(_dealloc_warn);
 _Py_IDENTIFIER(flush);
@@ -24,6 +42,7 @@ _Py_IDENTIFIER(read);
 _Py_IDENTIFIER(read1);
 _Py_IDENTIFIER(readable);
 _Py_IDENTIFIER(readinto);
+_Py_IDENTIFIER(readinto1);
 _Py_IDENTIFIER(writable);
 _Py_IDENTIFIER(write);
 
@@ -47,45 +66,63 @@ PyDoc_STRVAR(bufferediobase_doc,
     );
 
 static PyObject *
-bufferediobase_readinto(PyObject *self, PyObject *args)
+_bufferediobase_readinto_generic(PyObject *self, Py_buffer *buffer, char readinto1)
 {
-    Py_buffer buf;
     Py_ssize_t len;
     PyObject *data;
 
-    if (!PyArg_ParseTuple(args, "w*:readinto", &buf)) {
-        return NULL;
-    }
-
-    data = _PyObject_CallMethodId(self, &PyId_read, "n", buf.len);
+    data = _PyObject_CallMethodId(self,
+                                  readinto1 ? &PyId_read1 : &PyId_read,
+                                  "n", buffer->len);
     if (data == NULL)
-        goto error;
+        return NULL;
 
     if (!PyBytes_Check(data)) {
         Py_DECREF(data);
         PyErr_SetString(PyExc_TypeError, "read() should return bytes");
-        goto error;
+        return NULL;
     }
 
     len = Py_SIZE(data);
-    if (len > buf.len) {
+    if (len > buffer->len) {
         PyErr_Format(PyExc_ValueError,
                      "read() returned too much data: "
                      "%zd bytes requested, %zd returned",
-                     buf.len, len);
+                     buffer->len, len);
         Py_DECREF(data);
-        goto error;
+        return NULL;
     }
-    memcpy(buf.buf, PyBytes_AS_STRING(data), len);
+    memcpy(buffer->buf, PyBytes_AS_STRING(data), len);
 
-    PyBuffer_Release(&buf);
     Py_DECREF(data);
 
     return PyLong_FromSsize_t(len);
+}
 
-  error:
-    PyBuffer_Release(&buf);
-    return NULL;
+/*[clinic input]
+_io._BufferedIOBase.readinto
+    buffer: Py_buffer(types={'rwbuffer'})
+    /
+[clinic start generated code]*/
+
+static PyObject *
+_io__BufferedIOBase_readinto_impl(PyObject *self, Py_buffer *buffer)
+/*[clinic end generated code: output=8c8cda6684af8038 input=f8242a06c21763a0]*/
+{
+    return _bufferediobase_readinto_generic(self, buffer, 0);
+}
+
+/*[clinic input]
+_io._BufferedIOBase.readinto1
+    buffer: Py_buffer(types={'rwbuffer'})
+    /
+[clinic start generated code]*/
+
+static PyObject *
+_io__BufferedIOBase_readinto1_impl(PyObject *self, Py_buffer *buffer)
+/*[clinic end generated code: output=358623e4fd2b69d3 input=2003e706c730bd21]*/
+{
+    return _bufferediobase_readinto_generic(self, buffer, 1);
 }
 
 static PyObject *
@@ -97,14 +134,18 @@ bufferediobase_unsupported(const char *message)
     return NULL;
 }
 
-PyDoc_STRVAR(bufferediobase_detach_doc,
-    "Disconnect this buffer from its underlying raw stream and return it.\n"
-    "\n"
-    "After the raw stream has been detached, the buffer is in an unusable\n"
-    "state.\n");
+/*[clinic input]
+_io._BufferedIOBase.detach
+
+Disconnect this buffer from its underlying raw stream and return it.
+
+After the raw stream has been detached, the buffer is in an unusable
+state.
+[clinic start generated code]*/
 
 static PyObject *
-bufferediobase_detach(PyObject *self)
+_io__BufferedIOBase_detach_impl(PyObject *self)
+/*[clinic end generated code: output=754977c8d10ed88c input=822427fb58fe4169]*/
 {
     return bufferediobase_unsupported("detach");
 }
@@ -162,68 +203,6 @@ bufferediobase_write(PyObject *self, PyObject *args)
 }
 
 
-static PyMethodDef bufferediobase_methods[] = {
-    {"detach", (PyCFunction)bufferediobase_detach, METH_NOARGS, bufferediobase_detach_doc},
-    {"read", bufferediobase_read, METH_VARARGS, bufferediobase_read_doc},
-    {"read1", bufferediobase_read1, METH_VARARGS, bufferediobase_read1_doc},
-    {"readinto", bufferediobase_readinto, METH_VARARGS, NULL},
-    {"write", bufferediobase_write, METH_VARARGS, bufferediobase_write_doc},
-    {NULL, NULL}
-};
-
-PyTypeObject PyBufferedIOBase_Type = {
-    PyVarObject_HEAD_INIT(NULL, 0)
-    "_io._BufferedIOBase",      /*tp_name*/
-    0,                          /*tp_basicsize*/
-    0,                          /*tp_itemsize*/
-    0,                          /*tp_dealloc*/
-    0,                          /*tp_print*/
-    0,                          /*tp_getattr*/
-    0,                          /*tp_setattr*/
-    0,                          /*tp_compare */
-    0,                          /*tp_repr*/
-    0,                          /*tp_as_number*/
-    0,                          /*tp_as_sequence*/
-    0,                          /*tp_as_mapping*/
-    0,                          /*tp_hash */
-    0,                          /*tp_call*/
-    0,                          /*tp_str*/
-    0,                          /*tp_getattro*/
-    0,                          /*tp_setattro*/
-    0,                          /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
-        | Py_TPFLAGS_HAVE_FINALIZE,  /*tp_flags*/
-    bufferediobase_doc,         /* tp_doc */
-    0,                          /* tp_traverse */
-    0,                          /* tp_clear */
-    0,                          /* tp_richcompare */
-    0,                          /* tp_weaklistoffset */
-    0,                          /* tp_iter */
-    0,                          /* tp_iternext */
-    bufferediobase_methods,     /* tp_methods */
-    0,                          /* tp_members */
-    0,                          /* tp_getset */
-    &PyIOBase_Type,             /* tp_base */
-    0,                          /* tp_dict */
-    0,                          /* tp_descr_get */
-    0,                          /* tp_descr_set */
-    0,                          /* tp_dictoffset */
-    0,                          /* tp_init */
-    0,                          /* tp_alloc */
-    0,                          /* tp_new */
-    0,                          /* tp_free */
-    0,                          /* tp_is_gc */
-    0,                          /* tp_bases */
-    0,                          /* tp_mro */
-    0,                          /* tp_cache */
-    0,                          /* tp_subclasses */
-    0,                          /* tp_weaklist */
-    0,                          /* tp_del */
-    0,                          /* tp_version_tag */
-    0,                          /* tp_finalize */
-};
-
-
 typedef struct {
     PyObject_HEAD
 
@@ -683,11 +662,7 @@ static void
 _set_BlockingIOError(char *msg, Py_ssize_t written)
 {
     PyObject *err;
-#ifdef Py_DEBUG
-    /* in debug mode, PyEval_EvalFrameEx() fails with an assertion error
-       if an exception is set when it is called */
     PyErr_Clear();
-#endif
     err = PyObject_CallFunction(PyExc_BlockingIOError, "isn",
                                 errno, msg, written);
     if (err)
@@ -882,17 +857,20 @@ buffered_flush(buffered *self, PyObject *args)
     return res;
 }
 
+/*[clinic input]
+_io._Buffered.peek
+    size: Py_ssize_t = 0
+    /
+
+[clinic start generated code]*/
+
 static PyObject *
-buffered_peek(buffered *self, PyObject *args)
+_io__Buffered_peek_impl(buffered *self, Py_ssize_t size)
+/*[clinic end generated code: output=ba7a097ca230102b input=37ffb97d06ff4adb]*/
 {
-    Py_ssize_t n = 0;
     PyObject *res = NULL;
 
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "|n:peek", &n)) {
-        return NULL;
-    }
-
     if (!ENTER_BUFFERED(self))
         return NULL;
 
@@ -909,16 +887,19 @@ end:
     return res;
 }
 
+/*[clinic input]
+_io._Buffered.read
+    size as n: io_ssize_t = -1
+    /
+[clinic start generated code]*/
+
 static PyObject *
-buffered_read(buffered *self, PyObject *args)
+_io__Buffered_read_impl(buffered *self, Py_ssize_t n)
+/*[clinic end generated code: output=f41c78bb15b9bbe9 input=c0939ec7f9e9354f]*/
 {
-    Py_ssize_t n = -1;
     PyObject *res;
 
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "|O&:read", &_PyIO_ConvertSsize_t, &n)) {
-        return NULL;
-    }
     if (n < -1) {
         PyErr_SetString(PyExc_ValueError,
                         "read length must be positive or -1");
@@ -947,17 +928,20 @@ buffered_read(buffered *self, PyObject *args)
     return res;
 }
 
+/*[clinic input]
+_io._Buffered.read1
+    size as n: Py_ssize_t
+    /
+[clinic start generated code]*/
+
 static PyObject *
-buffered_read1(buffered *self, PyObject *args)
+_io__Buffered_read1_impl(buffered *self, Py_ssize_t n)
+/*[clinic end generated code: output=bcc4fb4e54d103a3 input=8d2869c18b983184]*/
 {
-    Py_ssize_t n, have, r;
+    Py_ssize_t have, r;
     PyObject *res = NULL;
 
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "n:read1", &n)) {
-        return NULL;
-    }
-
     if (n < 0) {
         PyErr_SetString(PyExc_ValueError,
                         "read length must be positive");
@@ -998,32 +982,27 @@ buffered_read1(buffered *self, PyObject *args)
 }
 
 static PyObject *
-buffered_readinto(buffered *self, PyObject *args)
+_buffered_readinto_generic(buffered *self, Py_buffer *buffer, char readinto1)
 {
-    Py_buffer buf;
     Py_ssize_t n, written = 0, remaining;
     PyObject *res = NULL;
 
     CHECK_INITIALIZED(self)
 
-    if (!PyArg_ParseTuple(args, "w*:readinto", &buf))
-        return NULL;
-
     n = Py_SAFE_DOWNCAST(READAHEAD(self), Py_off_t, Py_ssize_t);
     if (n > 0) {
-        if (n >= buf.len) {
-            memcpy(buf.buf, self->buffer + self->pos, buf.len);
-            self->pos += buf.len;
-            res = PyLong_FromSsize_t(buf.len);
-            goto end_unlocked;
+        if (n >= buffer->len) {
+            memcpy(buffer->buf, self->buffer + self->pos, buffer->len);
+            self->pos += buffer->len;
+            return PyLong_FromSsize_t(buffer->len);
         }
-        memcpy(buf.buf, self->buffer + self->pos, n);
+        memcpy(buffer->buf, self->buffer + self->pos, n);
         self->pos += n;
         written = n;
     }
 
     if (!ENTER_BUFFERED(self))
-        goto end_unlocked;
+        return NULL;
 
     if (self->writable) {
         res = buffered_flush_and_rewind_unlocked(self);
@@ -1035,26 +1014,32 @@ buffered_readinto(buffered *self, PyObject *args)
     _bufferedreader_reset_buf(self);
     self->pos = 0;
 
-    for (remaining = buf.len - written;
+    for (remaining = buffer->len - written;
          remaining > 0;
          written += n, remaining -= n) {
         /* If remaining bytes is larger than internal buffer size, copy
          * directly into caller's buffer. */
         if (remaining > self->buffer_size) {
-            n = _bufferedreader_raw_read(self, (char *) buf.buf + written,
+            n = _bufferedreader_raw_read(self, (char *) buffer->buf + written,
                                          remaining);
         }
-        else {
+
+        /* In readinto1 mode, we do not want to fill the internal
+           buffer if we already have some data to return */
+        else if (!(readinto1 && written)) {
             n = _bufferedreader_fill_buffer(self);
             if (n > 0) {
                 if (n > remaining)
                     n = remaining;
-                memcpy((char *) buf.buf + written,
+                memcpy((char *) buffer->buf + written,
                        self->buffer + self->pos, n);
                 self->pos += n;
                 continue; /* short circuit */
             }
         }
+        else
+            n = 0;
+
         if (n == 0 || (n == -2 && written > 0))
             break;
         if (n < 0) {
@@ -1064,16 +1049,47 @@ buffered_readinto(buffered *self, PyObject *args)
             }
             goto end;
         }
+
+        /* At most one read in readinto1 mode */
+        if (readinto1) {
+            written += n;
+            break;
+        }
     }
     res = PyLong_FromSsize_t(written);
 
 end:
     LEAVE_BUFFERED(self);
-end_unlocked:
-    PyBuffer_Release(&buf);
     return res;
 }
 
+/*[clinic input]
+_io._Buffered.readinto
+    buffer: Py_buffer(types={'rwbuffer'})
+    /
+[clinic start generated code]*/
+
+static PyObject *
+_io__Buffered_readinto_impl(buffered *self, Py_buffer *buffer)
+/*[clinic end generated code: output=bcb376580b1d8170 input=962b7496eac38b3a]*/
+{
+    return _buffered_readinto_generic(self, buffer, 0);
+}
+
+/*[clinic input]
+_io._Buffered.readinto1
+    buffer: Py_buffer(types={'rwbuffer'})
+    /
+[clinic start generated code]*/
+
+static PyObject *
+_io__Buffered_readinto1_impl(buffered *self, Py_buffer *buffer)
+/*[clinic end generated code: output=6e5c6ac5868205d6 input=834614d93f0adeb5]*/
+{
+    return _buffered_readinto_generic(self, buffer, 1);
+}
+
+
 static PyObject *
 _buffered_readline(buffered *self, Py_ssize_t limit)
 {
@@ -1185,15 +1201,18 @@ end_unlocked:
     return res;
 }
 
+/*[clinic input]
+_io._Buffered.readline
+    size: io_ssize_t = -1
+    /
+[clinic start generated code]*/
+
 static PyObject *
-buffered_readline(buffered *self, PyObject *args)
+_io__Buffered_readline_impl(buffered *self, Py_ssize_t size)
+/*[clinic end generated code: output=24dd2aa6e33be83c input=ff1e0df821cb4e5c]*/
 {
-    Py_ssize_t limit = -1;
-
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "|O&:readline", &_PyIO_ConvertSsize_t, &limit))
-        return NULL;
-    return _buffered_readline(self, limit);
+    return _buffered_readline(self, size);
 }
 
 
@@ -1211,17 +1230,21 @@ buffered_tell(buffered *self, PyObject *args)
     return PyLong_FromOff_t(pos);
 }
 
+/*[clinic input]
+_io._Buffered.seek
+    target as targetobj: object
+    whence: int = 0
+    /
+[clinic start generated code]*/
+
 static PyObject *
-buffered_seek(buffered *self, PyObject *args)
+_io__Buffered_seek_impl(buffered *self, PyObject *targetobj, int whence)
+/*[clinic end generated code: output=7ae0e8dc46efdefb input=a9c4920bfcba6163]*/
 {
     Py_off_t target, n;
-    int whence = 0;
-    PyObject *targetobj, *res = NULL;
+    PyObject *res = NULL;
 
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "O|i:seek", &targetobj, &whence)) {
-        return NULL;
-    }
 
     /* Do some error checking instead of trusting OS 'seek()'
     ** error detection, just in case.
@@ -1303,17 +1326,19 @@ end:
     return res;
 }
 
+/*[clinic input]
+_io._Buffered.truncate
+    pos: object = None
+    /
+[clinic start generated code]*/
+
 static PyObject *
-buffered_truncate(buffered *self, PyObject *args)
+_io__Buffered_truncate_impl(buffered *self, PyObject *pos)
+/*[clinic end generated code: output=667ca03c60c270de input=8a1be34d57cca2d3]*/
 {
-    PyObject *pos = Py_None;
     PyObject *res = NULL;
 
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "|O:truncate", &pos)) {
-        return NULL;
-    }
-
     if (!ENTER_BUFFERED(self))
         return NULL;
 
@@ -1398,29 +1423,27 @@ buffered_repr(buffered *self)
  * class BufferedReader
  */
 
-PyDoc_STRVAR(bufferedreader_doc,
-             "Create a new buffered reader using the given readable raw IO object.");
-
 static void _bufferedreader_reset_buf(buffered *self)
 {
     self->read_end = -1;
 }
 
+/*[clinic input]
+_io.BufferedReader.__init__
+    raw: object
+    buffer_size: Py_ssize_t(c_default="DEFAULT_BUFFER_SIZE") = DEFAULT_BUFFER_SIZE
+
+Create a new buffered reader using the given readable raw IO object.
+[clinic start generated code]*/
+
 static int
-bufferedreader_init(buffered *self, PyObject *args, PyObject *kwds)
+_io_BufferedReader___init___impl(buffered *self, PyObject *raw,
+                                 Py_ssize_t buffer_size)
+/*[clinic end generated code: output=cddcfefa0ed294c4 input=fb887e06f11b4e48]*/
 {
-    char *kwlist[] = {"raw", "buffer_size", NULL};
-    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
-    PyObject *raw;
-
     self->ok = 0;
     self->detached = 0;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|n:BufferedReader", kwlist,
-                                     &raw, &buffer_size)) {
-        return -1;
-    }
-
     if (_PyIOBase_check_readable(raw, Py_True) == NULL)
         return -1;
 
@@ -1741,111 +1764,12 @@ _bufferedreader_peek_unlocked(buffered *self)
     self->pos = 0;
     return PyBytes_FromStringAndSize(self->buffer, r);
 }
-
-static PyMethodDef bufferedreader_methods[] = {
-    /* BufferedIOMixin methods */
-    {"detach", (PyCFunction)buffered_detach, METH_NOARGS},
-    {"flush", (PyCFunction)buffered_simple_flush, METH_NOARGS},
-    {"close", (PyCFunction)buffered_close, METH_NOARGS},
-    {"seekable", (PyCFunction)buffered_seekable, METH_NOARGS},
-    {"readable", (PyCFunction)buffered_readable, METH_NOARGS},
-    {"writable", (PyCFunction)buffered_writable, METH_NOARGS},
-    {"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
-    {"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
-    {"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
-    {"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
-
-    {"read", (PyCFunction)buffered_read, METH_VARARGS},
-    {"peek", (PyCFunction)buffered_peek, METH_VARARGS},
-    {"read1", (PyCFunction)buffered_read1, METH_VARARGS},
-    {"readinto", (PyCFunction)buffered_readinto, METH_VARARGS},
-    {"readline", (PyCFunction)buffered_readline, METH_VARARGS},
-    {"seek", (PyCFunction)buffered_seek, METH_VARARGS},
-    {"tell", (PyCFunction)buffered_tell, METH_NOARGS},
-    {"truncate", (PyCFunction)buffered_truncate, METH_VARARGS},
-    {"__sizeof__", (PyCFunction)buffered_sizeof, METH_NOARGS},
-    {NULL, NULL}
-};
-
-static PyMemberDef bufferedreader_members[] = {
-    {"raw", T_OBJECT, offsetof(buffered, raw), READONLY},
-    {"_finalizing", T_BOOL, offsetof(buffered, finalizing), 0},
-    {NULL}
-};
-
-static PyGetSetDef bufferedreader_getset[] = {
-    {"closed", (getter)buffered_closed_get, NULL, NULL},
-    {"name", (getter)buffered_name_get, NULL, NULL},
-    {"mode", (getter)buffered_mode_get, NULL, NULL},
-    {NULL}
-};
-
-
-PyTypeObject PyBufferedReader_Type = {
-    PyVarObject_HEAD_INIT(NULL, 0)
-    "_io.BufferedReader",       /*tp_name*/
-    sizeof(buffered),           /*tp_basicsize*/
-    0,                          /*tp_itemsize*/
-    (destructor)buffered_dealloc,     /*tp_dealloc*/
-    0,                          /*tp_print*/
-    0,                          /*tp_getattr*/
-    0,                          /*tp_setattr*/
-    0,                          /*tp_compare */
-    (reprfunc)buffered_repr,    /*tp_repr*/
-    0,                          /*tp_as_number*/
-    0,                          /*tp_as_sequence*/
-    0,                          /*tp_as_mapping*/
-    0,                          /*tp_hash */
-    0,                          /*tp_call*/
-    0,                          /*tp_str*/
-    0,                          /*tp_getattro*/
-    0,                          /*tp_setattro*/
-    0,                          /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
-        | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, /*tp_flags*/
-    bufferedreader_doc,         /* tp_doc */
-    (traverseproc)buffered_traverse, /* tp_traverse */
-    (inquiry)buffered_clear,    /* tp_clear */
-    0,                          /* tp_richcompare */
-    offsetof(buffered, weakreflist), /*tp_weaklistoffset*/
-    0,                          /* tp_iter */
-    (iternextfunc)buffered_iternext, /* tp_iternext */
-    bufferedreader_methods,     /* tp_methods */
-    bufferedreader_members,     /* tp_members */
-    bufferedreader_getset,      /* tp_getset */
-    0,                          /* tp_base */
-    0,                          /* tp_dict */
-    0,                          /* tp_descr_get */
-    0,                          /* tp_descr_set */
-    offsetof(buffered, dict), /* tp_dictoffset */
-    (initproc)bufferedreader_init, /* tp_init */
-    0,                          /* tp_alloc */
-    PyType_GenericNew,          /* tp_new */
-    0,                          /* tp_free */
-    0,                          /* tp_is_gc */
-    0,                          /* tp_bases */
-    0,                          /* tp_mro */
-    0,                          /* tp_cache */
-    0,                          /* tp_subclasses */
-    0,                          /* tp_weaklist */
-    0,                          /* tp_del */
-    0,                          /* tp_version_tag */
-    0,                          /* tp_finalize */
-};
 
 
 
 /*
  * class BufferedWriter
  */
-PyDoc_STRVAR(bufferedwriter_doc,
-    "A buffer for a writeable sequential RawIO object.\n"
-    "\n"
-    "The constructor creates a BufferedWriter for the given writeable raw\n"
-    "stream. If the buffer_size is not given, it defaults to\n"
-    "DEFAULT_BUFFER_SIZE.\n"
-    );
-
 static void
 _bufferedwriter_reset_buf(buffered *self)
 {
@@ -1853,21 +1777,26 @@ _bufferedwriter_reset_buf(buffered *self)
     self->write_end = -1;
 }
 
+/*[clinic input]
+_io.BufferedWriter.__init__
+    raw: object
+    buffer_size: Py_ssize_t(c_default="DEFAULT_BUFFER_SIZE") = DEFAULT_BUFFER_SIZE
+
+A buffer for a writeable sequential RawIO object.
+
+The constructor creates a BufferedWriter for the given writeable raw
+stream. If the buffer_size is not given, it defaults to
+DEFAULT_BUFFER_SIZE.
+[clinic start generated code]*/
+
 static int
-bufferedwriter_init(buffered *self, PyObject *args, PyObject *kwds)
+_io_BufferedWriter___init___impl(buffered *self, PyObject *raw,
+                                 Py_ssize_t buffer_size)
+/*[clinic end generated code: output=c8942a020c0dee64 input=914be9b95e16007b]*/
 {
-    char *kwlist[] = {"raw", "buffer_size", NULL};
-    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
-    PyObject *raw;
-
     self->ok = 0;
     self->detached = 0;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|n:BufferedWriter", kwlist,
-                                     &raw, &buffer_size)) {
-        return -1;
-    }
-
     if (_PyIOBase_check_writable(raw, Py_True) == NULL)
         return -1;
 
@@ -1988,29 +1917,28 @@ error:
     return NULL;
 }
 
+/*[clinic input]
+_io.BufferedWriter.write
+    buffer: Py_buffer
+    /
+[clinic start generated code]*/
+
 static PyObject *
-bufferedwriter_write(buffered *self, PyObject *args)
+_io_BufferedWriter_write_impl(buffered *self, Py_buffer *buffer)
+/*[clinic end generated code: output=7f8d1365759bfc6b input=dd87dd85fc7f8850]*/
 {
     PyObject *res = NULL;
-    Py_buffer buf;
     Py_ssize_t written, avail, remaining;
     Py_off_t offset;
 
     CHECK_INITIALIZED(self)
-    if (!PyArg_ParseTuple(args, "y*:write", &buf)) {
-        return NULL;
-    }
-
     if (IS_CLOSED(self)) {
         PyErr_SetString(PyExc_ValueError, "write to closed file");
-        PyBuffer_Release(&buf);
         return NULL;
     }
 
-    if (!ENTER_BUFFERED(self)) {
-        PyBuffer_Release(&buf);
+    if (!ENTER_BUFFERED(self))
         return NULL;
-    }
 
     /* Fast path: the data to write can be fully buffered. */
     if (!VALID_READ_BUFFER(self) && !VALID_WRITE_BUFFER(self)) {
@@ -2018,15 +1946,15 @@ bufferedwriter_write(buffered *self, PyObject *args)
         self->raw_pos = 0;
     }
     avail = Py_SAFE_DOWNCAST(self->buffer_size - self->pos, Py_off_t, Py_ssize_t);
-    if (buf.len <= avail) {
-        memcpy(self->buffer + self->pos, buf.buf, buf.len);
+    if (buffer->len <= avail) {
+        memcpy(self->buffer + self->pos, buffer->buf, buffer->len);
         if (!VALID_WRITE_BUFFER(self) || self->write_pos > self->pos) {
             self->write_pos = self->pos;
         }
-        ADJUST_POSITION(self, self->pos + buf.len);
+        ADJUST_POSITION(self, self->pos + buffer->len);
         if (self->pos > self->write_end)
             self->write_end = self->pos;
-        written = buf.len;
+        written = buffer->len;
         goto end;
     }
 
@@ -2049,17 +1977,17 @@ bufferedwriter_write(buffered *self, PyObject *args)
         self->write_pos = 0;
         avail = Py_SAFE_DOWNCAST(self->buffer_size - self->write_end,
                                  Py_off_t, Py_ssize_t);
-        if (buf.len <= avail) {
+        if (buffer->len <= avail) {
             /* Everything can be buffered */
             PyErr_Clear();
-            memcpy(self->buffer + self->write_end, buf.buf, buf.len);
-            self->write_end += buf.len;
-            self->pos += buf.len;
-            written = buf.len;
+            memcpy(self->buffer + self->write_end, buffer->buf, buffer->len);
+            self->write_end += buffer->len;
+            self->pos += buffer->len;
+            written = buffer->len;
             goto end;
         }
         /* Buffer as much as possible. */
-        memcpy(self->buffer + self->write_end, buf.buf, avail);
+        memcpy(self->buffer + self->write_end, buffer->buf, avail);
         self->write_end += avail;
         self->pos += avail;
         /* XXX Modifying the existing exception e using the pointer w
@@ -2085,11 +2013,11 @@ bufferedwriter_write(buffered *self, PyObject *args)
     }
 
     /* Then write buf itself. At this point the buffer has been emptied. */
-    remaining = buf.len;
+    remaining = buffer->len;
     written = 0;
     while (remaining > self->buffer_size) {
         Py_ssize_t n = _bufferedwriter_raw_write(
-            self, (char *) buf.buf + written, buf.len - written);
+            self, (char *) buffer->buf + written, buffer->len - written);
         if (n == -1) {
             goto error;
         } else if (n == -2) {
@@ -2097,7 +2025,7 @@ bufferedwriter_write(buffered *self, PyObject *args)
             if (remaining > self->buffer_size) {
                 /* Can't buffer everything, still buffer as much as possible */
                 memcpy(self->buffer,
-                       (char *) buf.buf + written, self->buffer_size);
+                       (char *) buffer->buf + written, self->buffer_size);
                 self->raw_pos = 0;
                 ADJUST_POSITION(self, self->buffer_size);
                 self->write_end = self->buffer_size;
@@ -2120,7 +2048,7 @@ bufferedwriter_write(buffered *self, PyObject *args)
     if (self->readable)
         _bufferedreader_reset_buf(self);
     if (remaining > 0) {
-        memcpy(self->buffer, (char *) buf.buf + written, remaining);
+        memcpy(self->buffer, (char *) buffer->buf + written, remaining);
         written += remaining;
     }
     self->write_pos = 0;
@@ -2134,96 +2062,8 @@ end:
 
 error:
     LEAVE_BUFFERED(self)
-    PyBuffer_Release(&buf);
     return res;
 }
-
-static PyMethodDef bufferedwriter_methods[] = {
-    /* BufferedIOMixin methods */
-    {"close", (PyCFunction)buffered_close, METH_NOARGS},
-    {"detach", (PyCFunction)buffered_detach, METH_NOARGS},
-    {"seekable", (PyCFunction)buffered_seekable, METH_NOARGS},
-    {"readable", (PyCFunction)buffered_readable, METH_NOARGS},
-    {"writable", (PyCFunction)buffered_writable, METH_NOARGS},
-    {"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
-    {"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
-    {"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
-    {"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
-
-    {"write", (PyCFunction)bufferedwriter_write, METH_VARARGS},
-    {"truncate", (PyCFunction)buffered_truncate, METH_VARARGS},
-    {"flush", (PyCFunction)buffered_flush, METH_NOARGS},
-    {"seek", (PyCFunction)buffered_seek, METH_VARARGS},
-    {"tell", (PyCFunction)buffered_tell, METH_NOARGS},
-    {"__sizeof__", (PyCFunction)buffered_sizeof, METH_NOARGS},
-    {NULL, NULL}
-};
-
-static PyMemberDef bufferedwriter_members[] = {
-    {"raw", T_OBJECT, offsetof(buffered, raw), READONLY},
-    {"_finalizing", T_BOOL, offsetof(buffered, finalizing), 0},
-    {NULL}
-};
-
-static PyGetSetDef bufferedwriter_getset[] = {
-    {"closed", (getter)buffered_closed_get, NULL, NULL},
-    {"name", (getter)buffered_name_get, NULL, NULL},
-    {"mode", (getter)buffered_mode_get, NULL, NULL},
-    {NULL}
-};
-
-
-PyTypeObject PyBufferedWriter_Type = {
-    PyVarObject_HEAD_INIT(NULL, 0)
-    "_io.BufferedWriter",       /*tp_name*/
-    sizeof(buffered),           /*tp_basicsize*/
-    0,                          /*tp_itemsize*/
-    (destructor)buffered_dealloc,     /*tp_dealloc*/
-    0,                          /*tp_print*/
-    0,                          /*tp_getattr*/
-    0,                          /*tp_setattr*/
-    0,                          /*tp_compare */
-    (reprfunc)buffered_repr,    /*tp_repr*/
-    0,                          /*tp_as_number*/
-    0,                          /*tp_as_sequence*/
-    0,                          /*tp_as_mapping*/
-    0,                          /*tp_hash */
-    0,                          /*tp_call*/
-    0,                          /*tp_str*/
-    0,                          /*tp_getattro*/
-    0,                          /*tp_setattro*/
-    0,                          /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
-        | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,   /*tp_flags*/
-    bufferedwriter_doc,         /* tp_doc */
-    (traverseproc)buffered_traverse, /* tp_traverse */
-    (inquiry)buffered_clear,    /* tp_clear */
-    0,                          /* tp_richcompare */
-    offsetof(buffered, weakreflist), /*tp_weaklistoffset*/
-    0,                          /* tp_iter */
-    0,                          /* tp_iternext */
-    bufferedwriter_methods,     /* tp_methods */
-    bufferedwriter_members,     /* tp_members */
-    bufferedwriter_getset,      /* tp_getset */
-    0,                          /* tp_base */
-    0,                          /* tp_dict */
-    0,                          /* tp_descr_get */
-    0,                          /* tp_descr_set */
-    offsetof(buffered, dict),   /* tp_dictoffset */
-    (initproc)bufferedwriter_init, /* tp_init */
-    0,                          /* tp_alloc */
-    PyType_GenericNew,          /* tp_new */
-    0,                          /* tp_free */
-    0,                          /* tp_is_gc */
-    0,                          /* tp_bases */
-    0,                          /* tp_mro */
-    0,                          /* tp_cache */
-    0,                          /* tp_subclasses */
-    0,                          /* tp_weaklist */
-    0,                          /* tp_del */
-    0,                          /* tp_version_tag */
-    0,                          /* tp_finalize */
-};
 
 
 
@@ -2231,18 +2071,6 @@ PyTypeObject PyBufferedWriter_Type = {
  * BufferedRWPair
  */
 
-PyDoc_STRVAR(bufferedrwpair_doc,
-    "A buffered reader and writer object together.\n"
-    "\n"
-    "A buffered reader object and buffered writer object put together to\n"
-    "form a sequential IO object that can read and write. This is typically\n"
-    "used with a socket or two-way pipe.\n"
-    "\n"
-    "reader and writer are RawIOBase objects that are readable and\n"
-    "writeable respectively. If the buffer_size is omitted it defaults to\n"
-    "DEFAULT_BUFFER_SIZE.\n"
-    );
-
 /* XXX The usefulness of this (compared to having two separate IO objects) is
  * questionable.
  */
@@ -2255,17 +2083,29 @@ typedef struct {
     PyObject *weakreflist;
 } rwpair;
 
-static int
-bufferedrwpair_init(rwpair *self, PyObject *args, PyObject *kwds)
-{
-    PyObject *reader, *writer;
-    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
+/*[clinic input]
+_io.BufferedRWPair.__init__
+    reader: object
+    writer: object
+    buffer_size: Py_ssize_t(c_default="DEFAULT_BUFFER_SIZE") = DEFAULT_BUFFER_SIZE
+    /
 
-    if (!PyArg_ParseTuple(args, "OO|n:BufferedRWPair", &reader, &writer,
-                          &buffer_size)) {
-        return -1;
-    }
+A buffered reader and writer object together.
+
+A buffered reader object and buffered writer object put together to
+form a sequential IO object that can read and write. This is typically
+used with a socket or two-way pipe.
 
+reader and writer are RawIOBase objects that are readable and
+writeable respectively. If the buffer_size is omitted it defaults to
+DEFAULT_BUFFER_SIZE.
+[clinic start generated code]*/
+
+static int
+_io_BufferedRWPair___init___impl(rwpair *self, PyObject *reader,
+                                 PyObject *writer, Py_ssize_t buffer_size)
+/*[clinic end generated code: output=327e73d1aee8f984 input=620d42d71f33a031]*/
+{
     if (_PyIOBase_check_readable(reader, Py_True) == NULL)
         return -1;
     if (_PyIOBase_check_writable(writer, Py_True) == NULL)
@@ -2360,6 +2200,12 @@ bufferedrwpair_readinto(rwpair *self, PyObject *args)
 }
 
 static PyObject *
+bufferedrwpair_readinto1(rwpair *self, PyObject *args)
+{
+    return _forward_call(self->reader, &PyId_readinto1, args);
+}
+
+static PyObject *
 bufferedrwpair_write(rwpair *self, PyObject *args)
 {
     return _forward_call(self->writer, &PyId_write, args);
@@ -2424,12 +2270,313 @@ bufferedrwpair_closed_get(rwpair *self, void *context)
     }
     return PyObject_GetAttr((PyObject *) self->writer, _PyIO_str_closed);
 }
+
+
+
+/*
+ * BufferedRandom
+ */
+
+/*[clinic input]
+_io.BufferedRandom.__init__
+    raw: object
+    buffer_size: Py_ssize_t(c_default="DEFAULT_BUFFER_SIZE") = DEFAULT_BUFFER_SIZE
+
+A buffered interface to random access streams.
+
+The constructor creates a reader and writer for a seekable stream,
+raw, given in the first argument. If the buffer_size is omitted it
+defaults to DEFAULT_BUFFER_SIZE.
+[clinic start generated code]*/
+
+static int
+_io_BufferedRandom___init___impl(buffered *self, PyObject *raw,
+                                 Py_ssize_t buffer_size)
+/*[clinic end generated code: output=d3d64eb0f64e64a3 input=a4e818fb86d0e50c]*/
+{
+    self->ok = 0;
+    self->detached = 0;
+
+    if (_PyIOBase_check_seekable(raw, Py_True) == NULL)
+        return -1;
+    if (_PyIOBase_check_readable(raw, Py_True) == NULL)
+        return -1;
+    if (_PyIOBase_check_writable(raw, Py_True) == NULL)
+        return -1;
+
+    Py_CLEAR(self->raw);
+    Py_INCREF(raw);
+    self->raw = raw;
+    self->buffer_size = buffer_size;
+    self->readable = 1;
+    self->writable = 1;
+
+    if (_buffered_init(self) < 0)
+        return -1;
+    _bufferedreader_reset_buf(self);
+    _bufferedwriter_reset_buf(self);
+    self->pos = 0;
+
+    self->fast_closed_checks = (Py_TYPE(self) == &PyBufferedRandom_Type &&
+                                Py_TYPE(raw) == &PyFileIO_Type);
+
+    self->ok = 1;
+    return 0;
+}
+
+#include "clinic/bufferedio.c.h"
+
+
+static PyMethodDef bufferediobase_methods[] = {
+    _IO__BUFFEREDIOBASE_DETACH_METHODDEF
+    {"read", bufferediobase_read, METH_VARARGS, bufferediobase_read_doc},
+    {"read1", bufferediobase_read1, METH_VARARGS, bufferediobase_read1_doc},
+    _IO__BUFFEREDIOBASE_READINTO_METHODDEF
+    _IO__BUFFEREDIOBASE_READINTO1_METHODDEF
+    {"write", bufferediobase_write, METH_VARARGS, bufferediobase_write_doc},
+    {NULL, NULL}
+};
+
+PyTypeObject PyBufferedIOBase_Type = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "_io._BufferedIOBase",      /*tp_name*/
+    0,                          /*tp_basicsize*/
+    0,                          /*tp_itemsize*/
+    0,                          /*tp_dealloc*/
+    0,                          /*tp_print*/
+    0,                          /*tp_getattr*/
+    0,                          /*tp_setattr*/
+    0,                          /*tp_compare */
+    0,                          /*tp_repr*/
+    0,                          /*tp_as_number*/
+    0,                          /*tp_as_sequence*/
+    0,                          /*tp_as_mapping*/
+    0,                          /*tp_hash */
+    0,                          /*tp_call*/
+    0,                          /*tp_str*/
+    0,                          /*tp_getattro*/
+    0,                          /*tp_setattro*/
+    0,                          /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
+        | Py_TPFLAGS_HAVE_FINALIZE,  /*tp_flags*/
+    bufferediobase_doc,         /* tp_doc */
+    0,                          /* tp_traverse */
+    0,                          /* tp_clear */
+    0,                          /* tp_richcompare */
+    0,                          /* tp_weaklistoffset */
+    0,                          /* tp_iter */
+    0,                          /* tp_iternext */
+    bufferediobase_methods,     /* tp_methods */
+    0,                          /* tp_members */
+    0,                          /* tp_getset */
+    &PyIOBase_Type,             /* tp_base */
+    0,                          /* tp_dict */
+    0,                          /* tp_descr_get */
+    0,                          /* tp_descr_set */
+    0,                          /* tp_dictoffset */
+    0,                          /* tp_init */
+    0,                          /* tp_alloc */
+    0,                          /* tp_new */
+    0,                          /* tp_free */
+    0,                          /* tp_is_gc */
+    0,                          /* tp_bases */
+    0,                          /* tp_mro */
+    0,                          /* tp_cache */
+    0,                          /* tp_subclasses */
+    0,                          /* tp_weaklist */
+    0,                          /* tp_del */
+    0,                          /* tp_version_tag */
+    0,                          /* tp_finalize */
+};
+
+
+static PyMethodDef bufferedreader_methods[] = {
+    /* BufferedIOMixin methods */
+    {"detach", (PyCFunction)buffered_detach, METH_NOARGS},
+    {"flush", (PyCFunction)buffered_simple_flush, METH_NOARGS},
+    {"close", (PyCFunction)buffered_close, METH_NOARGS},
+    {"seekable", (PyCFunction)buffered_seekable, METH_NOARGS},
+    {"readable", (PyCFunction)buffered_readable, METH_NOARGS},
+    {"writable", (PyCFunction)buffered_writable, METH_NOARGS},
+    {"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
+    {"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
+    {"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
+    {"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
+
+    _IO__BUFFERED_READ_METHODDEF
+    _IO__BUFFERED_PEEK_METHODDEF
+    _IO__BUFFERED_READ1_METHODDEF
+    _IO__BUFFERED_READINTO_METHODDEF
+    _IO__BUFFERED_READINTO1_METHODDEF
+    _IO__BUFFERED_READLINE_METHODDEF
+    _IO__BUFFERED_SEEK_METHODDEF
+    {"tell", (PyCFunction)buffered_tell, METH_NOARGS},
+    _IO__BUFFERED_TRUNCATE_METHODDEF
+    {"__sizeof__", (PyCFunction)buffered_sizeof, METH_NOARGS},
+    {NULL, NULL}
+};
+
+static PyMemberDef bufferedreader_members[] = {
+    {"raw", T_OBJECT, offsetof(buffered, raw), READONLY},
+    {"_finalizing", T_BOOL, offsetof(buffered, finalizing), 0},
+    {NULL}
+};
+
+static PyGetSetDef bufferedreader_getset[] = {
+    {"closed", (getter)buffered_closed_get, NULL, NULL},
+    {"name", (getter)buffered_name_get, NULL, NULL},
+    {"mode", (getter)buffered_mode_get, NULL, NULL},
+    {NULL}
+};
+
+
+PyTypeObject PyBufferedReader_Type = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "_io.BufferedReader",       /*tp_name*/
+    sizeof(buffered),           /*tp_basicsize*/
+    0,                          /*tp_itemsize*/
+    (destructor)buffered_dealloc,     /*tp_dealloc*/
+    0,                          /*tp_print*/
+    0,                          /*tp_getattr*/
+    0,                          /*tp_setattr*/
+    0,                          /*tp_compare */
+    (reprfunc)buffered_repr,    /*tp_repr*/
+    0,                          /*tp_as_number*/
+    0,                          /*tp_as_sequence*/
+    0,                          /*tp_as_mapping*/
+    0,                          /*tp_hash */
+    0,                          /*tp_call*/
+    0,                          /*tp_str*/
+    0,                          /*tp_getattro*/
+    0,                          /*tp_setattro*/
+    0,                          /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
+        | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, /*tp_flags*/
+    _io_BufferedReader___init____doc__, /* tp_doc */
+    (traverseproc)buffered_traverse, /* tp_traverse */
+    (inquiry)buffered_clear,    /* tp_clear */
+    0,                          /* tp_richcompare */
+    offsetof(buffered, weakreflist), /*tp_weaklistoffset*/
+    0,                          /* tp_iter */
+    (iternextfunc)buffered_iternext, /* tp_iternext */
+    bufferedreader_methods,     /* tp_methods */
+    bufferedreader_members,     /* tp_members */
+    bufferedreader_getset,      /* tp_getset */
+    0,                          /* tp_base */
+    0,                          /* tp_dict */
+    0,                          /* tp_descr_get */
+    0,                          /* tp_descr_set */
+    offsetof(buffered, dict), /* tp_dictoffset */
+    _io_BufferedReader___init__, /* tp_init */
+    0,                          /* tp_alloc */
+    PyType_GenericNew,          /* tp_new */
+    0,                          /* tp_free */
+    0,                          /* tp_is_gc */
+    0,                          /* tp_bases */
+    0,                          /* tp_mro */
+    0,                          /* tp_cache */
+    0,                          /* tp_subclasses */
+    0,                          /* tp_weaklist */
+    0,                          /* tp_del */
+    0,                          /* tp_version_tag */
+    0,                          /* tp_finalize */
+};
+
+
+static PyMethodDef bufferedwriter_methods[] = {
+    /* BufferedIOMixin methods */
+    {"close", (PyCFunction)buffered_close, METH_NOARGS},
+    {"detach", (PyCFunction)buffered_detach, METH_NOARGS},
+    {"seekable", (PyCFunction)buffered_seekable, METH_NOARGS},
+    {"readable", (PyCFunction)buffered_readable, METH_NOARGS},
+    {"writable", (PyCFunction)buffered_writable, METH_NOARGS},
+    {"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
+    {"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
+    {"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
+    {"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
+
+    _IO_BUFFEREDWRITER_WRITE_METHODDEF
+    _IO__BUFFERED_TRUNCATE_METHODDEF
+    {"flush", (PyCFunction)buffered_flush, METH_NOARGS},
+    _IO__BUFFERED_SEEK_METHODDEF
+    {"tell", (PyCFunction)buffered_tell, METH_NOARGS},
+    {"__sizeof__", (PyCFunction)buffered_sizeof, METH_NOARGS},
+    {NULL, NULL}
+};
+
+static PyMemberDef bufferedwriter_members[] = {
+    {"raw", T_OBJECT, offsetof(buffered, raw), READONLY},
+    {"_finalizing", T_BOOL, offsetof(buffered, finalizing), 0},
+    {NULL}
+};
+
+static PyGetSetDef bufferedwriter_getset[] = {
+    {"closed", (getter)buffered_closed_get, NULL, NULL},
+    {"name", (getter)buffered_name_get, NULL, NULL},
+    {"mode", (getter)buffered_mode_get, NULL, NULL},
+    {NULL}
+};
+
+
+PyTypeObject PyBufferedWriter_Type = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "_io.BufferedWriter",       /*tp_name*/
+    sizeof(buffered),           /*tp_basicsize*/
+    0,                          /*tp_itemsize*/
+    (destructor)buffered_dealloc,     /*tp_dealloc*/
+    0,                          /*tp_print*/
+    0,                          /*tp_getattr*/
+    0,                          /*tp_setattr*/
+    0,                          /*tp_compare */
+    (reprfunc)buffered_repr,    /*tp_repr*/
+    0,                          /*tp_as_number*/
+    0,                          /*tp_as_sequence*/
+    0,                          /*tp_as_mapping*/
+    0,                          /*tp_hash */
+    0,                          /*tp_call*/
+    0,                          /*tp_str*/
+    0,                          /*tp_getattro*/
+    0,                          /*tp_setattro*/
+    0,                          /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
+        | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,   /*tp_flags*/
+    _io_BufferedWriter___init____doc__, /* tp_doc */
+    (traverseproc)buffered_traverse, /* tp_traverse */
+    (inquiry)buffered_clear,    /* tp_clear */
+    0,                          /* tp_richcompare */
+    offsetof(buffered, weakreflist), /*tp_weaklistoffset*/
+    0,                          /* tp_iter */
+    0,                          /* tp_iternext */
+    bufferedwriter_methods,     /* tp_methods */
+    bufferedwriter_members,     /* tp_members */
+    bufferedwriter_getset,      /* tp_getset */
+    0,                          /* tp_base */
+    0,                          /* tp_dict */
+    0,                          /* tp_descr_get */
+    0,                          /* tp_descr_set */
+    offsetof(buffered, dict),   /* tp_dictoffset */
+    _io_BufferedWriter___init__, /* tp_init */
+    0,                          /* tp_alloc */
+    PyType_GenericNew,          /* tp_new */
+    0,                          /* tp_free */
+    0,                          /* tp_is_gc */
+    0,                          /* tp_bases */
+    0,                          /* tp_mro */
+    0,                          /* tp_cache */
+    0,                          /* tp_subclasses */
+    0,                          /* tp_weaklist */
+    0,                          /* tp_del */
+    0,                          /* tp_version_tag */
+    0,                          /* tp_finalize */
+};
+
 
 static PyMethodDef bufferedrwpair_methods[] = {
     {"read", (PyCFunction)bufferedrwpair_read, METH_VARARGS},
     {"peek", (PyCFunction)bufferedrwpair_peek, METH_VARARGS},
     {"read1", (PyCFunction)bufferedrwpair_read1, METH_VARARGS},
     {"readinto", (PyCFunction)bufferedrwpair_readinto, METH_VARARGS},
+    {"readinto1", (PyCFunction)bufferedrwpair_readinto1, METH_VARARGS},
 
     {"write", (PyCFunction)bufferedrwpair_write, METH_VARARGS},
     {"flush", (PyCFunction)bufferedrwpair_flush, METH_NOARGS},
@@ -2472,7 +2619,7 @@ PyTypeObject PyBufferedRWPair_Type = {
     0,                          /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
         | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,   /* tp_flags */
-    bufferedrwpair_doc,         /* tp_doc */
+    _io_BufferedRWPair___init____doc__, /* tp_doc */
     (traverseproc)bufferedrwpair_traverse, /* tp_traverse */
     (inquiry)bufferedrwpair_clear, /* tp_clear */
     0,                          /* tp_richcompare */
@@ -2487,7 +2634,7 @@ PyTypeObject PyBufferedRWPair_Type = {
     0,                          /* tp_descr_get */
     0,                          /* tp_descr_set */
     offsetof(rwpair, dict),     /* tp_dictoffset */
-    (initproc)bufferedrwpair_init, /* tp_init */
+    _io_BufferedRWPair___init__, /* tp_init */
     0,                          /* tp_alloc */
     PyType_GenericNew,          /* tp_new */
     0,                          /* tp_free */
@@ -2501,62 +2648,7 @@ PyTypeObject PyBufferedRWPair_Type = {
     0,                          /* tp_version_tag */
     0,                          /* tp_finalize */
 };
-
-
 
-/*
- * BufferedRandom
- */
-
-PyDoc_STRVAR(bufferedrandom_doc,
-    "A buffered interface to random access streams.\n"
-    "\n"
-    "The constructor creates a reader and writer for a seekable stream,\n"
-    "raw, given in the first argument. If the buffer_size is omitted it\n"
-    "defaults to DEFAULT_BUFFER_SIZE.\n"
-    );
-
-static int
-bufferedrandom_init(buffered *self, PyObject *args, PyObject *kwds)
-{
-    char *kwlist[] = {"raw", "buffer_size", NULL};
-    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
-    PyObject *raw;
-
-    self->ok = 0;
-    self->detached = 0;
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|n:BufferedRandom", kwlist,
-                                     &raw, &buffer_size)) {
-        return -1;
-    }
-
-    if (_PyIOBase_check_seekable(raw, Py_True) == NULL)
-        return -1;
-    if (_PyIOBase_check_readable(raw, Py_True) == NULL)
-        return -1;
-    if (_PyIOBase_check_writable(raw, Py_True) == NULL)
-        return -1;
-
-    Py_CLEAR(self->raw);
-    Py_INCREF(raw);
-    self->raw = raw;
-    self->buffer_size = buffer_size;
-    self->readable = 1;
-    self->writable = 1;
-
-    if (_buffered_init(self) < 0)
-        return -1;
-    _bufferedreader_reset_buf(self);
-    _bufferedwriter_reset_buf(self);
-    self->pos = 0;
-
-    self->fast_closed_checks = (Py_TYPE(self) == &PyBufferedRandom_Type &&
-                                Py_TYPE(raw) == &PyFileIO_Type);
-
-    self->ok = 1;
-    return 0;
-}
 
 static PyMethodDef bufferedrandom_methods[] = {
     /* BufferedIOMixin methods */
@@ -2572,15 +2664,16 @@ static PyMethodDef bufferedrandom_methods[] = {
 
     {"flush", (PyCFunction)buffered_flush, METH_NOARGS},
 
-    {"seek", (PyCFunction)buffered_seek, METH_VARARGS},
+    _IO__BUFFERED_SEEK_METHODDEF
     {"tell", (PyCFunction)buffered_tell, METH_NOARGS},
-    {"truncate", (PyCFunction)buffered_truncate, METH_VARARGS},
-    {"read", (PyCFunction)buffered_read, METH_VARARGS},
-    {"read1", (PyCFunction)buffered_read1, METH_VARARGS},
-    {"readinto", (PyCFunction)buffered_readinto, METH_VARARGS},
-    {"readline", (PyCFunction)buffered_readline, METH_VARARGS},
-    {"peek", (PyCFunction)buffered_peek, METH_VARARGS},
-    {"write", (PyCFunction)bufferedwriter_write, METH_VARARGS},
+    _IO__BUFFERED_TRUNCATE_METHODDEF
+    _IO__BUFFERED_READ_METHODDEF
+    _IO__BUFFERED_READ1_METHODDEF
+    _IO__BUFFERED_READINTO_METHODDEF
+    _IO__BUFFERED_READINTO1_METHODDEF
+    _IO__BUFFERED_READLINE_METHODDEF
+    _IO__BUFFERED_PEEK_METHODDEF
+    _IO_BUFFEREDWRITER_WRITE_METHODDEF
     {"__sizeof__", (PyCFunction)buffered_sizeof, METH_NOARGS},
     {NULL, NULL}
 };
@@ -2621,7 +2714,7 @@ PyTypeObject PyBufferedRandom_Type = {
     0,                          /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
         | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,   /*tp_flags*/
-    bufferedrandom_doc,         /* tp_doc */
+    _io_BufferedRandom___init____doc__, /* tp_doc */
     (traverseproc)buffered_traverse, /* tp_traverse */
     (inquiry)buffered_clear,    /* tp_clear */
     0,                          /* tp_richcompare */
@@ -2636,7 +2729,7 @@ PyTypeObject PyBufferedRandom_Type = {
     0,                          /* tp_descr_get */
     0,                          /* tp_descr_set */
     offsetof(buffered, dict), /*tp_dictoffset*/
-    (initproc)bufferedrandom_init, /* tp_init */
+    _io_BufferedRandom___init__, /* tp_init */
     0,                          /* tp_alloc */
     PyType_GenericNew,          /* tp_new */
     0,                          /* tp_free */
diff --git a/Modules/_io/bytesio.c b/Modules/_io/bytesio.c
index 4652356..42dfe24 100644
--- a/Modules/_io/bytesio.c
+++ b/Modules/_io/bytesio.c
@@ -2,12 +2,17 @@
 #include "structmember.h"       /* for offsetof() */
 #include "_iomodule.h"
 
+/*[clinic input]
+module _io
+class _io.BytesIO "bytesio *" "&PyBytesIO_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=7f50ec034f5c0b26]*/
+
 typedef struct {
     PyObject_HEAD
-    char *buf;
+    PyObject *buf;
     Py_ssize_t pos;
     Py_ssize_t string_size;
-    size_t buf_size;
     PyObject *dict;
     PyObject *weakreflist;
     Py_ssize_t exports;
@@ -18,6 +23,12 @@ typedef struct {
     bytesio *source;
 } bytesiobuf;
 
+/* The bytesio object can be in three states:
+  * Py_REFCNT(buf) == 1, exports == 0.
+  * Py_REFCNT(buf) > 1.  exports == 0,
+    first modification or export causes the internal buffer copying.
+  * exports > 0.  Py_REFCNT(buf) == 1, any modifications are forbidden.
+*/
 
 #define CHECK_CLOSED(self)                                  \
     if ((self)->buf == NULL) {                              \
@@ -33,40 +44,60 @@ typedef struct {
         return NULL; \
     }
 
+#define SHARED_BUF(self) (Py_REFCNT((self)->buf) > 1)
+
 
 /* Internal routine to get a line from the buffer of a BytesIO
    object. Returns the length between the current position to the
    next newline character. */
 static Py_ssize_t
-get_line(bytesio *self, char **output)
+scan_eol(bytesio *self, Py_ssize_t len)
 {
-    char *n;
-    const char *str_end;
-    Py_ssize_t len;
+    const char *start, *n;
+    Py_ssize_t maxlen;
 
     assert(self->buf != NULL);
 
     /* Move to the end of the line, up to the end of the string, s. */
-    str_end = self->buf + self->string_size;
-    for (n = self->buf + self->pos;
-         n < str_end && *n != '\n';
-         n++);
-
-    /* Skip the newline character */
-    if (n < str_end)
-        n++;
-
-    /* Get the length from the current position to the end of the line. */
-    len = n - (self->buf + self->pos);
-    *output = self->buf + self->pos;
-
+    start = PyBytes_AS_STRING(self->buf) + self->pos;
+    maxlen = self->string_size - self->pos;
+    if (len < 0 || len > maxlen)
+        len = maxlen;
+
+    if (len) {
+        n = memchr(start, '\n', len);
+        if (n)
+            /* Get the length from the current position to the end of
+               the line. */
+            len = n - start + 1;
+    }
     assert(len >= 0);
     assert(self->pos < PY_SSIZE_T_MAX - len);
-    self->pos += len;
 
     return len;
 }
 
+/* Internal routine for detaching the shared buffer of BytesIO objects.
+   The caller should ensure that the 'size' argument is non-negative and
+   not lesser than self->string_size.  Returns 0 on success, -1 otherwise. */
+static int
+unshare_buffer(bytesio *self, size_t size)
+{
+    PyObject *new_buf, *old_buf;
+    assert(SHARED_BUF(self));
+    assert(self->exports == 0);
+    assert(size >= (size_t)self->string_size);
+    new_buf = PyBytes_FromStringAndSize(NULL, size);
+    if (new_buf == NULL)
+        return -1;
+    memcpy(PyBytes_AS_STRING(new_buf), PyBytes_AS_STRING(self->buf),
+           self->string_size);
+    old_buf = self->buf;
+    self->buf = new_buf;
+    Py_DECREF(old_buf);
+    return 0;
+}
+
 /* Internal routine for changing the size of the buffer of BytesIO objects.
    The caller should ensure that the 'size' argument is non-negative.  Returns
    0 on success, -1 otherwise. */
@@ -75,8 +106,7 @@ resize_buffer(bytesio *self, size_t size)
 {
     /* Here, unsigned types are used to avoid dealing with signed integer
        overflow, which is undefined in C. */
-    size_t alloc = self->buf_size;
-    char *new_buf = NULL;
+    size_t alloc = PyBytes_GET_SIZE(self->buf);
 
     assert(self->buf != NULL);
 
@@ -104,13 +134,15 @@ resize_buffer(bytesio *self, size_t size)
 
     if (alloc > ((size_t)-1) / sizeof(char))
         goto overflow;
-    new_buf = (char *)PyMem_Realloc(self->buf, alloc * sizeof(char));
-    if (new_buf == NULL) {
-        PyErr_NoMemory();
-        return -1;
+
+    if (SHARED_BUF(self)) {
+        if (unshare_buffer(self, alloc) < 0)
+            return -1;
+    }
+    else {
+        if (_PyBytes_Resize(&self->buf, alloc) < 0)
+            return -1;
     }
-    self->buf_size = alloc;
-    self->buf = new_buf;
 
     return 0;
 
@@ -125,12 +157,18 @@ resize_buffer(bytesio *self, size_t size)
 static Py_ssize_t
 write_bytes(bytesio *self, const char *bytes, Py_ssize_t len)
 {
+    size_t endpos;
     assert(self->buf != NULL);
     assert(self->pos >= 0);
     assert(len >= 0);
 
-    if ((size_t)self->pos + len > self->buf_size) {
-        if (resize_buffer(self, (size_t)self->pos + len) < 0)
+    endpos = (size_t)self->pos + len;
+    if (endpos > (size_t)PyBytes_GET_SIZE(self->buf)) {
+        if (resize_buffer(self, endpos) < 0)
+            return -1;
+    }
+    else if (SHARED_BUF(self)) {
+        if (unshare_buffer(self, Py_MAX(endpos, (size_t)self->string_size)) < 0)
             return -1;
     }
 
@@ -143,18 +181,18 @@ write_bytes(bytesio *self, const char *bytes, Py_ssize_t len)
           |   |            <--to pad-->|<---to write--->    |
           0   buf                   position
         */
-        memset(self->buf + self->string_size, '\0',
+        memset(PyBytes_AS_STRING(self->buf) + self->string_size, '\0',
                (self->pos - self->string_size) * sizeof(char));
     }
 
     /* Copy the data to the internal buffer, overwriting some of the existing
        data if self->pos < self->string_size. */
-    memcpy(self->buf + self->pos, bytes, len);
-    self->pos += len;
+    memcpy(PyBytes_AS_STRING(self->buf) + self->pos, bytes, len);
+    self->pos = endpos;
 
     /* Set the new length of the internal string if it has changed. */
-    if (self->string_size < self->pos) {
-        self->string_size = self->pos;
+    if ((size_t)self->string_size < endpos) {
+        self->string_size = endpos;
     }
 
     return len;
@@ -171,40 +209,71 @@ bytesio_get_closed(bytesio *self)
     }
 }
 
-PyDoc_STRVAR(readable_doc,
-"readable() -> bool. Returns True if the IO object can be read.");
+/*[clinic input]
+_io.BytesIO.readable
+
+Returns True if the IO object can be read.
+[clinic start generated code]*/
+
+static PyObject *
+_io_BytesIO_readable_impl(bytesio *self)
+/*[clinic end generated code: output=4e93822ad5b62263 input=96c5d0cccfb29f5c]*/
+{
+    CHECK_CLOSED(self);
+    Py_RETURN_TRUE;
+}
+
+/*[clinic input]
+_io.BytesIO.writable
+
+Returns True if the IO object can be written.
+[clinic start generated code]*/
 
-PyDoc_STRVAR(writable_doc,
-"writable() -> bool. Returns True if the IO object can be written.");
+static PyObject *
+_io_BytesIO_writable_impl(bytesio *self)
+/*[clinic end generated code: output=64ff6a254b1150b8 input=700eed808277560a]*/
+{
+    CHECK_CLOSED(self);
+    Py_RETURN_TRUE;
+}
 
-PyDoc_STRVAR(seekable_doc,
-"seekable() -> bool. Returns True if the IO object can be seeked.");
+/*[clinic input]
+_io.BytesIO.seekable
+
+Returns True if the IO object can be seeked.
+[clinic start generated code]*/
 
-/* Generic getter for the writable, readable and seekable properties */
 static PyObject *
-return_not_closed(bytesio *self)
+_io_BytesIO_seekable_impl(bytesio *self)
+/*[clinic end generated code: output=6b417f46dcc09b56 input=9421f65627a344dd]*/
 {
     CHECK_CLOSED(self);
     Py_RETURN_TRUE;
 }
 
-PyDoc_STRVAR(flush_doc,
-"flush() -> None.  Does nothing.");
+/*[clinic input]
+_io.BytesIO.flush
+
+Does nothing.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_flush(bytesio *self)
+_io_BytesIO_flush_impl(bytesio *self)
+/*[clinic end generated code: output=187e3d781ca134a0 input=561ea490be4581a7]*/
 {
     CHECK_CLOSED(self);
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(getbuffer_doc,
-"getbuffer() -> bytes.\n"
-"\n"
-"Get a read-write view over the contents of the BytesIO object.");
+/*[clinic input]
+_io.BytesIO.getbuffer
+
+Get a read-write view over the contents of the BytesIO object.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_getbuffer(bytesio *self)
+_io_BytesIO_getbuffer_impl(bytesio *self)
+/*[clinic end generated code: output=72cd7c6e13aa09ed input=8f738ef615865176]*/
 {
     PyTypeObject *type = &_PyBytesIOBuffer_Type;
     bytesiobuf *buf;
@@ -222,59 +291,104 @@ bytesio_getbuffer(bytesio *self)
     return view;
 }
 
-PyDoc_STRVAR(getval_doc,
-"getvalue() -> bytes.\n"
-"\n"
-"Retrieve the entire contents of the BytesIO object.");
+/*[clinic input]
+_io.BytesIO.getvalue
+
+Retrieve the entire contents of the BytesIO object.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_getvalue(bytesio *self)
+_io_BytesIO_getvalue_impl(bytesio *self)
+/*[clinic end generated code: output=b3f6a3233c8fd628 input=4b403ac0af3973ed]*/
 {
     CHECK_CLOSED(self);
-    return PyBytes_FromStringAndSize(self->buf, self->string_size);
+    if (self->string_size <= 1 || self->exports > 0)
+        return PyBytes_FromStringAndSize(PyBytes_AS_STRING(self->buf),
+                                         self->string_size);
+
+    if (self->string_size != PyBytes_GET_SIZE(self->buf)) {
+        if (SHARED_BUF(self)) {
+            if (unshare_buffer(self, self->string_size) < 0)
+                return NULL;
+        }
+        else {
+            if (_PyBytes_Resize(&self->buf, self->string_size) < 0)
+                return NULL;
+        }
+    }
+    Py_INCREF(self->buf);
+    return self->buf;
 }
 
-PyDoc_STRVAR(isatty_doc,
-"isatty() -> False.\n"
-"\n"
-"Always returns False since BytesIO objects are not connected\n"
-"to a tty-like device.");
+/*[clinic input]
+_io.BytesIO.isatty
+
+Always returns False.
+
+BytesIO objects are not connected to a TTY-like device.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_isatty(bytesio *self)
+_io_BytesIO_isatty_impl(bytesio *self)
+/*[clinic end generated code: output=df67712e669f6c8f input=6f97f0985d13f827]*/
 {
     CHECK_CLOSED(self);
     Py_RETURN_FALSE;
 }
 
-PyDoc_STRVAR(tell_doc,
-"tell() -> current file position, an integer\n");
+/*[clinic input]
+_io.BytesIO.tell
+
+Current file position, an integer.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_tell(bytesio *self)
+_io_BytesIO_tell_impl(bytesio *self)
+/*[clinic end generated code: output=b54b0f93cd0e5e1d input=b106adf099cb3657]*/
 {
     CHECK_CLOSED(self);
     return PyLong_FromSsize_t(self->pos);
 }
 
-PyDoc_STRVAR(read_doc,
-"read([size]) -> read at most size bytes, returned as a bytes object.\n"
-"\n"
-"If the size argument is negative, read until EOF is reached.\n"
-"Return an empty bytes object at EOF.");
+static PyObject *
+read_bytes(bytesio *self, Py_ssize_t size)
+{
+    char *output;
+
+    assert(self->buf != NULL);
+    assert(size <= self->string_size);
+    if (size > 1 &&
+        self->pos == 0 && size == PyBytes_GET_SIZE(self->buf) &&
+        self->exports == 0) {
+        self->pos += size;
+        Py_INCREF(self->buf);
+        return self->buf;
+    }
+
+    output = PyBytes_AS_STRING(self->buf) + self->pos;
+    self->pos += size;
+    return PyBytes_FromStringAndSize(output, size);
+}
+
+/*[clinic input]
+_io.BytesIO.read
+    size as arg: object = None
+    /
+
+Read at most size bytes, returned as a bytes object.
+
+If the size argument is negative, read until EOF is reached.
+Return an empty bytes object at EOF.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_read(bytesio *self, PyObject *args)
+_io_BytesIO_read_impl(bytesio *self, PyObject *arg)
+/*[clinic end generated code: output=85dacb535c1e1781 input=cc7ba4a797bb1555]*/
 {
     Py_ssize_t size, n;
-    char *output;
-    PyObject *arg = Py_None;
 
     CHECK_CLOSED(self);
 
-    if (!PyArg_ParseTuple(args, "|O:read", &arg))
-        return NULL;
-
     if (PyLong_Check(arg)) {
         size = PyLong_AsSsize_t(arg);
         if (size == -1 && PyErr_Occurred())
@@ -298,52 +412,48 @@ bytesio_read(bytesio *self, PyObject *args)
             size = 0;
     }
 
-    assert(self->buf != NULL);
-    output = self->buf + self->pos;
-    self->pos += size;
-
-    return PyBytes_FromStringAndSize(output, size);
+    return read_bytes(self, size);
 }
 
 
-PyDoc_STRVAR(read1_doc,
-"read1(size) -> read at most size bytes, returned as a bytes object.\n"
-"\n"
-"If the size argument is negative or omitted, read until EOF is reached.\n"
-"Return an empty bytes object at EOF.");
+/*[clinic input]
+_io.BytesIO.read1
+    size: object
+    /
+
+Read at most size bytes, returned as a bytes object.
+
+If the size argument is negative or omitted, read until EOF is reached.
+Return an empty bytes object at EOF.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_read1(bytesio *self, PyObject *n)
+_io_BytesIO_read1(bytesio *self, PyObject *size)
+/*[clinic end generated code: output=16021f5d0ac3d4e2 input=d4f40bb8f2f99418]*/
 {
-    PyObject *arg, *res;
-
-    arg = PyTuple_Pack(1, n);
-    if (arg == NULL)
-        return NULL;
-    res  = bytesio_read(self, arg);
-    Py_DECREF(arg);
-    return res;
+    return _io_BytesIO_read_impl(self, size);
 }
 
-PyDoc_STRVAR(readline_doc,
-"readline([size]) -> next line from the file, as a bytes object.\n"
-"\n"
-"Retain newline.  A non-negative size argument limits the maximum\n"
-"number of bytes to return (an incomplete line may be returned then).\n"
-"Return an empty bytes object at EOF.\n");
+/*[clinic input]
+_io.BytesIO.readline
+    size as arg: object = None
+    /
+
+Next line from the file, as a bytes object.
+
+Retain newline.  A non-negative size argument limits the maximum
+number of bytes to return (an incomplete line may be returned then).
+Return an empty bytes object at EOF.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_readline(bytesio *self, PyObject *args)
+_io_BytesIO_readline_impl(bytesio *self, PyObject *arg)
+/*[clinic end generated code: output=1c2115534a4f9276 input=ca31f06de6eab257]*/
 {
     Py_ssize_t size, n;
-    char *output;
-    PyObject *arg = Py_None;
 
     CHECK_CLOSED(self);
 
-    if (!PyArg_ParseTuple(args, "|O:readline", &arg))
-        return NULL;
-
     if (PyLong_Check(arg)) {
         size = PyLong_AsSsize_t(arg);
         if (size == -1 && PyErr_Occurred())
@@ -359,37 +469,33 @@ bytesio_readline(bytesio *self, PyObject *args)
         return NULL;
     }
 
-    n = get_line(self, &output);
-
-    if (size >= 0 && size < n) {
-        size = n - size;
-        n -= size;
-        self->pos -= size;
-    }
+    n = scan_eol(self, size);
 
-    return PyBytes_FromStringAndSize(output, n);
+    return read_bytes(self, n);
 }
 
-PyDoc_STRVAR(readlines_doc,
-"readlines([size]) -> list of strings, each a line from the file.\n"
-"\n"
-"Call readline() repeatedly and return a list of the lines so read.\n"
-"The optional size argument, if given, is an approximate bound on the\n"
-"total number of bytes in the lines returned.\n");
+/*[clinic input]
+_io.BytesIO.readlines
+    size as arg: object = None
+    /
+
+List of bytes objects, each a line from the file.
+
+Call readline() repeatedly and return a list of the lines so read.
+The optional size argument, if given, is an approximate bound on the
+total number of bytes in the lines returned.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_readlines(bytesio *self, PyObject *args)
+_io_BytesIO_readlines_impl(bytesio *self, PyObject *arg)
+/*[clinic end generated code: output=09b8e34c880808ff input=691aa1314f2c2a87]*/
 {
     Py_ssize_t maxsize, size, n;
     PyObject *result, *line;
     char *output;
-    PyObject *arg = Py_None;
 
     CHECK_CLOSED(self);
 
-    if (!PyArg_ParseTuple(args, "|O:readlines", &arg))
-        return NULL;
-
     if (PyLong_Check(arg)) {
         maxsize = PyLong_AsSsize_t(arg);
         if (maxsize == -1 && PyErr_Occurred())
@@ -410,7 +516,9 @@ bytesio_readlines(bytesio *self, PyObject *args)
     if (!result)
         return NULL;
 
-    while ((n = get_line(self, &output)) != 0) {
+    output = PyBytes_AS_STRING(self->buf) + self->pos;
+    while ((n = scan_eol(self, -1)) != 0) {
+        self->pos += n;
         line = PyBytes_FromStringAndSize(output, n);
         if (!line)
             goto on_error;
@@ -422,6 +530,7 @@ bytesio_readlines(bytesio *self, PyObject *args)
         size += n;
         if (maxsize > 0 && size >= maxsize)
             break;
+        output += n;
     }
     return result;
 
@@ -430,25 +539,27 @@ bytesio_readlines(bytesio *self, PyObject *args)
     return NULL;
 }
 
-PyDoc_STRVAR(readinto_doc,
-"readinto(bytearray) -> int.  Read up to len(b) bytes into b.\n"
-"\n"
-"Returns number of bytes read (0 for EOF), or None if the object\n"
-"is set not to block as has no data to read.");
+/*[clinic input]
+_io.BytesIO.readinto
+    buffer: Py_buffer(types={'rwbuffer'})
+    /
+
+Read up to len(buffer) bytes into buffer.
+
+Returns number of bytes read (0 for EOF), or None if the object
+is set not to block as has no data to read.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_readinto(bytesio *self, PyObject *arg)
+_io_BytesIO_readinto_impl(bytesio *self, Py_buffer *buffer)
+/*[clinic end generated code: output=a5d407217dcf0639 input=d289da851c7c4159]*/
 {
-    Py_buffer buffer;
     Py_ssize_t len, n;
 
     CHECK_CLOSED(self);
 
-    if (!PyArg_Parse(arg, "w*", &buffer))
-        return NULL;
-
     /* adjust invalid sizes */
-    len = buffer.len;
+    len = buffer->len;
     n = self->string_size - self->pos;
     if (len > n) {
         len = n;
@@ -456,33 +567,34 @@ bytesio_readinto(bytesio *self, PyObject *arg)
             len = 0;
     }
 
-    memcpy(buffer.buf, self->buf + self->pos, len);
+    memcpy(buffer->buf, PyBytes_AS_STRING(self->buf) + self->pos, len);
     assert(self->pos + len < PY_SSIZE_T_MAX);
     assert(len >= 0);
     self->pos += len;
-    PyBuffer_Release(&buffer);
 
     return PyLong_FromSsize_t(len);
 }
 
-PyDoc_STRVAR(truncate_doc,
-"truncate([size]) -> int.  Truncate the file to at most size bytes.\n"
-"\n"
-"Size defaults to the current file position, as returned by tell().\n"
-"The current file position is unchanged.  Returns the new size.\n");
+/*[clinic input]
+_io.BytesIO.truncate
+    size as arg: object = None
+    /
+
+Truncate the file to at most size bytes.
+
+Size defaults to the current file position, as returned by tell().
+The current file position is unchanged.  Returns the new size.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_truncate(bytesio *self, PyObject *args)
+_io_BytesIO_truncate_impl(bytesio *self, PyObject *arg)
+/*[clinic end generated code: output=81e6be60e67ddd66 input=11ed1966835462ba]*/
 {
     Py_ssize_t size;
-    PyObject *arg = Py_None;
 
     CHECK_CLOSED(self);
     CHECK_EXPORTS(self);
 
-    if (!PyArg_ParseTuple(args, "|O:truncate", &arg))
-        return NULL;
-
     if (PyLong_Check(arg)) {
         size = PyLong_AsSsize_t(arg);
         if (size == -1 && PyErr_Occurred())
@@ -516,49 +628,49 @@ bytesio_truncate(bytesio *self, PyObject *args)
 static PyObject *
 bytesio_iternext(bytesio *self)
 {
-    char *next;
     Py_ssize_t n;
 
     CHECK_CLOSED(self);
 
-    n = get_line(self, &next);
+    n = scan_eol(self, -1);
 
-    if (!next || n == 0)
+    if (n == 0)
         return NULL;
 
-    return PyBytes_FromStringAndSize(next, n);
+    return read_bytes(self, n);
 }
 
-PyDoc_STRVAR(seek_doc,
-"seek(pos, whence=0) -> int.  Change stream position.\n"
-"\n"
-"Seek to byte offset pos relative to position indicated by whence:\n"
-"     0  Start of stream (the default).  pos should be >= 0;\n"
-"     1  Current position - pos may be negative;\n"
-"     2  End of stream - pos usually negative.\n"
-"Returns the new absolute position.");
+/*[clinic input]
+_io.BytesIO.seek
+    pos: Py_ssize_t
+    whence: int = 0
+    /
+
+Change stream position.
+
+Seek to byte offset pos relative to position indicated by whence:
+     0  Start of stream (the default).  pos should be >= 0;
+     1  Current position - pos may be negative;
+     2  End of stream - pos usually negative.
+Returns the new absolute position.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_seek(bytesio *self, PyObject *args)
+_io_BytesIO_seek_impl(bytesio *self, Py_ssize_t pos, int whence)
+/*[clinic end generated code: output=c26204a68e9190e4 input=1e875e6ebc652948]*/
 {
-    Py_ssize_t pos;
-    int mode = 0;
-
     CHECK_CLOSED(self);
 
-    if (!PyArg_ParseTuple(args, "n|i:seek", &pos, &mode))
-        return NULL;
-
-    if (pos < 0 && mode == 0) {
+    if (pos < 0 && whence == 0) {
         PyErr_Format(PyExc_ValueError,
                      "negative seek value %zd", pos);
         return NULL;
     }
 
-    /* mode 0: offset relative to beginning of the string.
-       mode 1: offset relative to current position.
-       mode 2: offset relative the end of the string. */
-    if (mode == 1) {
+    /* whence = 0: offset relative to beginning of the string.
+       whence = 1: offset relative to current position.
+       whence = 2: offset relative the end of the string. */
+    if (whence == 1) {
         if (pos > PY_SSIZE_T_MAX - self->pos) {
             PyErr_SetString(PyExc_OverflowError,
                             "new position too large");
@@ -566,7 +678,7 @@ bytesio_seek(bytesio *self, PyObject *args)
         }
         pos += self->pos;
     }
-    else if (mode == 2) {
+    else if (whence == 2) {
         if (pos > PY_SSIZE_T_MAX - self->string_size) {
             PyErr_SetString(PyExc_OverflowError,
                             "new position too large");
@@ -574,9 +686,9 @@ bytesio_seek(bytesio *self, PyObject *args)
         }
         pos += self->string_size;
     }
-    else if (mode != 0) {
+    else if (whence != 0) {
         PyErr_Format(PyExc_ValueError,
-                     "invalid whence (%i, should be 0, 1 or 2)", mode);
+                     "invalid whence (%i, should be 0, 1 or 2)", whence);
         return NULL;
     }
 
@@ -587,54 +699,63 @@ bytesio_seek(bytesio *self, PyObject *args)
     return PyLong_FromSsize_t(self->pos);
 }
 
-PyDoc_STRVAR(write_doc,
-"write(bytes) -> int.  Write bytes to file.\n"
-"\n"
-"Return the number of bytes written.");
+/*[clinic input]
+_io.BytesIO.write
+    b: object
+    /
+
+Write bytes to file.
+
+Return the number of bytes written.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_write(bytesio *self, PyObject *obj)
+_io_BytesIO_write(bytesio *self, PyObject *b)
+/*[clinic end generated code: output=53316d99800a0b95 input=f5ec7c8c64ed720a]*/
 {
     Py_ssize_t n = 0;
     Py_buffer buf;
-    PyObject *result = NULL;
 
     CHECK_CLOSED(self);
     CHECK_EXPORTS(self);
 
-    if (PyObject_GetBuffer(obj, &buf, PyBUF_CONTIG_RO) < 0)
+    if (PyObject_GetBuffer(b, &buf, PyBUF_CONTIG_RO) < 0)
         return NULL;
 
     if (buf.len != 0)
         n = write_bytes(self, buf.buf, buf.len);
-    if (n >= 0)
-        result = PyLong_FromSsize_t(n);
 
     PyBuffer_Release(&buf);
-    return result;
+    return n >= 0 ? PyLong_FromSsize_t(n) : NULL;
 }
 
-PyDoc_STRVAR(writelines_doc,
-"writelines(lines) -> None.  Write bytes objects to the file.\n"
-"\n"
-"Note that newlines are not added.  The argument can be any iterable\n"
-"object producing bytes objects. This is equivalent to calling write() for\n"
-"each bytes object.");
+/*[clinic input]
+_io.BytesIO.writelines
+    lines: object
+    /
+
+Write lines to the file.
+
+Note that newlines are not added.  lines can be any iterable object
+producing bytes-like objects. This is equivalent to calling write() for
+each element.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_writelines(bytesio *self, PyObject *v)
+_io_BytesIO_writelines(bytesio *self, PyObject *lines)
+/*[clinic end generated code: output=7f33aa3271c91752 input=e972539176fc8fc1]*/
 {
     PyObject *it, *item;
     PyObject *ret;
 
     CHECK_CLOSED(self);
 
-    it = PyObject_GetIter(v);
+    it = PyObject_GetIter(lines);
     if (it == NULL)
         return NULL;
 
     while ((item = PyIter_Next(it)) != NULL) {
-        ret = bytesio_write(self, item);
+        ret = _io_BytesIO_write(self, item);
         Py_DECREF(item);
         if (ret == NULL) {
             Py_DECREF(it);
@@ -651,17 +772,18 @@ bytesio_writelines(bytesio *self, PyObject *v)
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(close_doc,
-"close() -> None.  Disable all I/O operations.");
+/*[clinic input]
+_io.BytesIO.close
+
+Disable all I/O operations.
+[clinic start generated code]*/
 
 static PyObject *
-bytesio_close(bytesio *self)
+_io_BytesIO_close_impl(bytesio *self)
+/*[clinic end generated code: output=1471bb9411af84a0 input=37e1f55556e61f60]*/
 {
     CHECK_EXPORTS(self);
-    if (self->buf != NULL) {
-        PyMem_Free(self->buf);
-        self->buf = NULL;
-    }
+    Py_CLEAR(self->buf);
     Py_RETURN_NONE;
 }
 
@@ -683,7 +805,7 @@ bytesio_close(bytesio *self)
 static PyObject *
 bytesio_getstate(bytesio *self)
 {
-    PyObject *initvalue = bytesio_getvalue(self);
+    PyObject *initvalue = _io_BytesIO_getvalue_impl(self);
     PyObject *dict;
     PyObject *state;
 
@@ -733,7 +855,7 @@ bytesio_setstate(bytesio *self, PyObject *state)
 
     /* Set the value of the internal buffer. If state[0] does not support the
        buffer protocol, bytesio_write will raise the appropriate TypeError. */
-    result = bytesio_write(self, PyTuple_GET_ITEM(state, 0));
+    result = _io_BytesIO_write(self, PyTuple_GET_ITEM(state, 0));
     if (result == NULL)
         return NULL;
     Py_DECREF(result);
@@ -791,10 +913,7 @@ bytesio_dealloc(bytesio *self)
                         "deallocated BytesIO object has exported buffers");
         PyErr_Print();
     }
-    if (self->buf != NULL) {
-        PyMem_Free(self->buf);
-        self->buf = NULL;
-    }
+    Py_CLEAR(self->buf);
     Py_CLEAR(self->dict);
     if (self->weakreflist != NULL)
         PyObject_ClearWeakRefs((PyObject *) self);
@@ -814,7 +933,7 @@ bytesio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     /* tp_alloc initializes all the fields to zero. So we don't have to
        initialize them here. */
 
-    self->buf = (char *)PyMem_Malloc(0);
+    self->buf = PyBytes_FromStringAndSize(NULL, 0);
     if (self->buf == NULL) {
         Py_DECREF(self);
         return PyErr_NoMemory();
@@ -823,27 +942,41 @@ bytesio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return (PyObject *)self;
 }
 
-static int
-bytesio_init(bytesio *self, PyObject *args, PyObject *kwds)
-{
-    char *kwlist[] = {"initial_bytes", NULL};
-    PyObject *initvalue = NULL;
+/*[clinic input]
+_io.BytesIO.__init__
+    initial_bytes as initvalue: object(c_default="NULL") = b''
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:BytesIO", kwlist,
-                                     &initvalue))
-        return -1;
+Buffered I/O implementation using an in-memory bytes buffer.
+[clinic start generated code]*/
 
+static int
+_io_BytesIO___init___impl(bytesio *self, PyObject *initvalue)
+/*[clinic end generated code: output=65c0c51e24c5b621 input=aac7f31b67bf0fb6]*/
+{
     /* In case, __init__ is called multiple times. */
     self->string_size = 0;
     self->pos = 0;
 
+    if (self->exports > 0) {
+        PyErr_SetString(PyExc_BufferError,
+                        "Existing exports of data: object cannot be re-sized");
+        return -1;
+    }
     if (initvalue && initvalue != Py_None) {
-        PyObject *res;
-        res = bytesio_write(self, initvalue);
-        if (res == NULL)
-            return -1;
-        Py_DECREF(res);
-        self->pos = 0;
+        if (PyBytes_CheckExact(initvalue)) {
+            Py_INCREF(initvalue);
+            Py_XDECREF(self->buf);
+            self->buf = initvalue;
+            self->string_size = PyBytes_GET_SIZE(initvalue);
+        }
+        else {
+            PyObject *res;
+            res = _io_BytesIO_write(self, initvalue);
+            if (res == NULL)
+                return -1;
+            Py_DECREF(res);
+            self->pos = 0;
+        }
     }
 
     return 0;
@@ -855,8 +988,8 @@ bytesio_sizeof(bytesio *self, void *unused)
     Py_ssize_t res;
 
     res = sizeof(bytesio);
-    if (self->buf)
-        res += self->buf_size;
+    if (self->buf && !SHARED_BUF(self))
+        res += _PySys_GetSizeOf(self->buf);
     return PyLong_FromSsize_t(res);
 }
 
@@ -875,6 +1008,8 @@ bytesio_clear(bytesio *self)
 }
 
 
+#include "clinic/bytesio.c.h"
+
 static PyGetSetDef bytesio_getsetlist[] = {
     {"closed",  (getter)bytesio_get_closed, NULL,
      "True if the file is closed."},
@@ -882,36 +1017,30 @@ static PyGetSetDef bytesio_getsetlist[] = {
 };
 
 static struct PyMethodDef bytesio_methods[] = {
-    {"readable",   (PyCFunction)return_not_closed,  METH_NOARGS, readable_doc},
-    {"seekable",   (PyCFunction)return_not_closed,  METH_NOARGS, seekable_doc},
-    {"writable",   (PyCFunction)return_not_closed,  METH_NOARGS, writable_doc},
-    {"close",      (PyCFunction)bytesio_close,      METH_NOARGS, close_doc},
-    {"flush",      (PyCFunction)bytesio_flush,      METH_NOARGS, flush_doc},
-    {"isatty",     (PyCFunction)bytesio_isatty,     METH_NOARGS, isatty_doc},
-    {"tell",       (PyCFunction)bytesio_tell,       METH_NOARGS, tell_doc},
-    {"write",      (PyCFunction)bytesio_write,      METH_O, write_doc},
-    {"writelines", (PyCFunction)bytesio_writelines, METH_O, writelines_doc},
-    {"read1",      (PyCFunction)bytesio_read1,      METH_O, read1_doc},
-    {"readinto",   (PyCFunction)bytesio_readinto,   METH_O, readinto_doc},
-    {"readline",   (PyCFunction)bytesio_readline,   METH_VARARGS, readline_doc},
-    {"readlines",  (PyCFunction)bytesio_readlines,  METH_VARARGS, readlines_doc},
-    {"read",       (PyCFunction)bytesio_read,       METH_VARARGS, read_doc},
-    {"getbuffer",  (PyCFunction)bytesio_getbuffer,  METH_NOARGS,  getbuffer_doc},
-    {"getvalue",   (PyCFunction)bytesio_getvalue,   METH_NOARGS,  getval_doc},
-    {"seek",       (PyCFunction)bytesio_seek,       METH_VARARGS, seek_doc},
-    {"truncate",   (PyCFunction)bytesio_truncate,   METH_VARARGS, truncate_doc},
+    _IO_BYTESIO_READABLE_METHODDEF
+    _IO_BYTESIO_SEEKABLE_METHODDEF
+    _IO_BYTESIO_WRITABLE_METHODDEF
+    _IO_BYTESIO_CLOSE_METHODDEF
+    _IO_BYTESIO_FLUSH_METHODDEF
+    _IO_BYTESIO_ISATTY_METHODDEF
+    _IO_BYTESIO_TELL_METHODDEF
+    _IO_BYTESIO_WRITE_METHODDEF
+    _IO_BYTESIO_WRITELINES_METHODDEF
+    _IO_BYTESIO_READ1_METHODDEF
+    _IO_BYTESIO_READINTO_METHODDEF
+    _IO_BYTESIO_READLINE_METHODDEF
+    _IO_BYTESIO_READLINES_METHODDEF
+    _IO_BYTESIO_READ_METHODDEF
+    _IO_BYTESIO_GETBUFFER_METHODDEF
+    _IO_BYTESIO_GETVALUE_METHODDEF
+    _IO_BYTESIO_SEEK_METHODDEF
+    _IO_BYTESIO_TRUNCATE_METHODDEF
     {"__getstate__",  (PyCFunction)bytesio_getstate,  METH_NOARGS, NULL},
     {"__setstate__",  (PyCFunction)bytesio_setstate,  METH_O, NULL},
     {"__sizeof__", (PyCFunction)bytesio_sizeof,     METH_NOARGS, NULL},
     {NULL, NULL}        /* sentinel */
 };
 
-PyDoc_STRVAR(bytesio_doc,
-"BytesIO([buffer]) -> object\n"
-"\n"
-"Create a buffered I/O implementation using an in-memory bytes\n"
-"buffer, ready for reading and writing.");
-
 PyTypeObject PyBytesIO_Type = {
     PyVarObject_HEAD_INIT(NULL, 0)
     "_io.BytesIO",                             /*tp_name*/
@@ -934,7 +1063,7 @@ PyTypeObject PyBytesIO_Type = {
     0,                                         /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE |
     Py_TPFLAGS_HAVE_GC,                        /*tp_flags*/
-    bytesio_doc,                               /*tp_doc*/
+    _io_BytesIO___init____doc__,               /*tp_doc*/
     (traverseproc)bytesio_traverse,            /*tp_traverse*/
     (inquiry)bytesio_clear,                    /*tp_clear*/
     0,                                         /*tp_richcompare*/
@@ -949,7 +1078,7 @@ PyTypeObject PyBytesIO_Type = {
     0,                                         /*tp_descr_get*/
     0,                                         /*tp_descr_set*/
     offsetof(bytesio, dict),             /*tp_dictoffset*/
-    (initproc)bytesio_init,                    /*tp_init*/
+    _io_BytesIO___init__,                      /*tp_init*/
     0,                                         /*tp_alloc*/
     bytesio_new,                               /*tp_new*/
 };
@@ -964,18 +1093,24 @@ PyTypeObject PyBytesIO_Type = {
 static int
 bytesiobuf_getbuffer(bytesiobuf *obj, Py_buffer *view, int flags)
 {
-    int ret;
     bytesio *b = (bytesio *) obj->source;
+
     if (view == NULL) {
-        b->exports++;
-        return 0;
+        PyErr_SetString(PyExc_BufferError,
+            "bytesiobuf_getbuffer: view==NULL argument is obsolete");
+        return -1;
     }
-    ret = PyBuffer_FillInfo(view, (PyObject*)obj, b->buf, b->string_size,
-                            0, flags);
-    if (ret >= 0) {
-        b->exports++;
+    if (SHARED_BUF(b)) {
+        if (unshare_buffer(b, b->string_size) < 0)
+            return -1;
     }
-    return ret;
+
+    /* cannot fail if view != NULL and readonly == 0 */
+    (void)PyBuffer_FillInfo(view, (PyObject*)obj,
+                            PyBytes_AS_STRING(b->buf), b->string_size,
+                            0, flags);
+    b->exports++;
+    return 0;
 }
 
 static void
diff --git a/Modules/_io/clinic/_iomodule.c.h b/Modules/_io/clinic/_iomodule.c.h
new file mode 100644
index 0000000..df877a5
--- /dev/null
+++ b/Modules/_io/clinic/_iomodule.c.h
@@ -0,0 +1,160 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io_open__doc__,
+"open($module, /, file, mode=\'r\', buffering=-1, encoding=None,\n"
+"     errors=None, newline=None, closefd=True, opener=None)\n"
+"--\n"
+"\n"
+"Open file and return a stream.  Raise IOError upon failure.\n"
+"\n"
+"file is either a text or byte string giving the name (and the path\n"
+"if the file isn\'t in the current working directory) of the file to\n"
+"be opened or an integer file descriptor of the file to be\n"
+"wrapped. (If a file descriptor is given, it is closed when the\n"
+"returned I/O object is closed, unless closefd is set to False.)\n"
+"\n"
+"mode is an optional string that specifies the mode in which the file\n"
+"is opened. It defaults to \'r\' which means open for reading in text\n"
+"mode.  Other common values are \'w\' for writing (truncating the file if\n"
+"it already exists), \'x\' for creating and writing to a new file, and\n"
+"\'a\' for appending (which on some Unix systems, means that all writes\n"
+"append to the end of the file regardless of the current seek position).\n"
+"In text mode, if encoding is not specified the encoding used is platform\n"
+"dependent: locale.getpreferredencoding(False) is called to get the\n"
+"current locale encoding. (For reading and writing raw bytes use binary\n"
+"mode and leave encoding unspecified.) The available modes are:\n"
+"\n"
+"========= ===============================================================\n"
+"Character Meaning\n"
+"--------- ---------------------------------------------------------------\n"
+"\'r\'       open for reading (default)\n"
+"\'w\'       open for writing, truncating the file first\n"
+"\'x\'       create a new file and open it for writing\n"
+"\'a\'       open for writing, appending to the end of the file if it exists\n"
+"\'b\'       binary mode\n"
+"\'t\'       text mode (default)\n"
+"\'+\'       open a disk file for updating (reading and writing)\n"
+"\'U\'       universal newline mode (deprecated)\n"
+"========= ===============================================================\n"
+"\n"
+"The default mode is \'rt\' (open for reading text). For binary random\n"
+"access, the mode \'w+b\' opens and truncates the file to 0 bytes, while\n"
+"\'r+b\' opens the file without truncation. The \'x\' mode implies \'w\' and\n"
+"raises an `FileExistsError` if the file already exists.\n"
+"\n"
+"Python distinguishes between files opened in binary and text modes,\n"
+"even when the underlying operating system doesn\'t. Files opened in\n"
+"binary mode (appending \'b\' to the mode argument) return contents as\n"
+"bytes objects without any decoding. In text mode (the default, or when\n"
+"\'t\' is appended to the mode argument), the contents of the file are\n"
+"returned as strings, the bytes having been first decoded using a\n"
+"platform-dependent encoding or using the specified encoding if given.\n"
+"\n"
+"\'U\' mode is deprecated and will raise an exception in future versions\n"
+"of Python.  It has no effect in Python 3.  Use newline to control\n"
+"universal newlines mode.\n"
+"\n"
+"buffering is an optional integer used to set the buffering policy.\n"
+"Pass 0 to switch buffering off (only allowed in binary mode), 1 to select\n"
+"line buffering (only usable in text mode), and an integer > 1 to indicate\n"
+"the size of a fixed-size chunk buffer.  When no buffering argument is\n"
+"given, the default buffering policy works as follows:\n"
+"\n"
+"* Binary files are buffered in fixed-size chunks; the size of the buffer\n"
+"  is chosen using a heuristic trying to determine the underlying device\'s\n"
+"  \"block size\" and falling back on `io.DEFAULT_BUFFER_SIZE`.\n"
+"  On many systems, the buffer will typically be 4096 or 8192 bytes long.\n"
+"\n"
+"* \"Interactive\" text files (files for which isatty() returns True)\n"
+"  use line buffering.  Other text files use the policy described above\n"
+"  for binary files.\n"
+"\n"
+"encoding is the name of the encoding used to decode or encode the\n"
+"file. This should only be used in text mode. The default encoding is\n"
+"platform dependent, but any encoding supported by Python can be\n"
+"passed.  See the codecs module for the list of supported encodings.\n"
+"\n"
+"errors is an optional string that specifies how encoding errors are to\n"
+"be handled---this argument should not be used in binary mode. Pass\n"
+"\'strict\' to raise a ValueError exception if there is an encoding error\n"
+"(the default of None has the same effect), or pass \'ignore\' to ignore\n"
+"errors. (Note that ignoring encoding errors can lead to data loss.)\n"
+"See the documentation for codecs.register or run \'help(codecs.Codec)\'\n"
+"for a list of the permitted encoding error strings.\n"
+"\n"
+"newline controls how universal newlines works (it only applies to text\n"
+"mode). It can be None, \'\', \'\\n\', \'\\r\', and \'\\r\\n\'.  It works as\n"
+"follows:\n"
+"\n"
+"* On input, if newline is None, universal newlines mode is\n"
+"  enabled. Lines in the input can end in \'\\n\', \'\\r\', or \'\\r\\n\', and\n"
+"  these are translated into \'\\n\' before being returned to the\n"
+"  caller. If it is \'\', universal newline mode is enabled, but line\n"
+"  endings are returned to the caller untranslated. If it has any of\n"
+"  the other legal values, input lines are only terminated by the given\n"
+"  string, and the line ending is returned to the caller untranslated.\n"
+"\n"
+"* On output, if newline is None, any \'\\n\' characters written are\n"
+"  translated to the system default line separator, os.linesep. If\n"
+"  newline is \'\' or \'\\n\', no translation takes place. If newline is any\n"
+"  of the other legal values, any \'\\n\' characters written are translated\n"
+"  to the given string.\n"
+"\n"
+"If closefd is False, the underlying file descriptor will be kept open\n"
+"when the file is closed. This does not work when a file name is given\n"
+"and must be True in that case.\n"
+"\n"
+"A custom opener can be used by passing a callable as *opener*. The\n"
+"underlying file descriptor for the file object is then obtained by\n"
+"calling *opener* with (*file*, *flags*). *opener* must return an open\n"
+"file descriptor (passing os.open as *opener* results in functionality\n"
+"similar to passing None).\n"
+"\n"
+"open() returns a file object whose type depends on the mode, and\n"
+"through which the standard file operations such as reading and writing\n"
+"are performed. When open() is used to open a file in a text mode (\'w\',\n"
+"\'r\', \'wt\', \'rt\', etc.), it returns a TextIOWrapper. When used to open\n"
+"a file in a binary mode, the returned class varies: in read binary\n"
+"mode, it returns a BufferedReader; in write binary and append binary\n"
+"modes, it returns a BufferedWriter, and in read/write mode, it returns\n"
+"a BufferedRandom.\n"
+"\n"
+"It is also possible to use a string or bytearray as a file for both\n"
+"reading and writing. For strings StringIO can be used like a file\n"
+"opened in a text mode, and for bytes a BytesIO can be used like a file\n"
+"opened in a binary mode.");
+
+#define _IO_OPEN_METHODDEF    \
+    {"open", (PyCFunction)_io_open, METH_VARARGS|METH_KEYWORDS, _io_open__doc__},
+
+static PyObject *
+_io_open_impl(PyModuleDef *module, PyObject *file, const char *mode,
+              int buffering, const char *encoding, const char *errors,
+              const char *newline, int closefd, PyObject *opener);
+
+static PyObject *
+_io_open(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"file", "mode", "buffering", "encoding", "errors", "newline", "closefd", "opener", NULL};
+    PyObject *file;
+    const char *mode = "r";
+    int buffering = -1;
+    const char *encoding = NULL;
+    const char *errors = NULL;
+    const char *newline = NULL;
+    int closefd = 1;
+    PyObject *opener = Py_None;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|sizzziO:open", _keywords,
+        &file, &mode, &buffering, &encoding, &errors, &newline, &closefd, &opener))
+        goto exit;
+    return_value = _io_open_impl(module, file, mode, buffering, encoding, errors, newline, closefd, opener);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=c51a5a443c11f02b input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/bufferedio.c.h b/Modules/_io/clinic/bufferedio.c.h
new file mode 100644
index 0000000..b79b8d5
--- /dev/null
+++ b/Modules/_io/clinic/bufferedio.c.h
@@ -0,0 +1,474 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io__BufferedIOBase_readinto__doc__,
+"readinto($self, buffer, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFEREDIOBASE_READINTO_METHODDEF    \
+    {"readinto", (PyCFunction)_io__BufferedIOBase_readinto, METH_O, _io__BufferedIOBase_readinto__doc__},
+
+static PyObject *
+_io__BufferedIOBase_readinto_impl(PyObject *self, Py_buffer *buffer);
+
+static PyObject *
+_io__BufferedIOBase_readinto(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "w*:readinto",
+        &buffer))
+        goto exit;
+    return_value = _io__BufferedIOBase_readinto_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__BufferedIOBase_readinto1__doc__,
+"readinto1($self, buffer, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFEREDIOBASE_READINTO1_METHODDEF    \
+    {"readinto1", (PyCFunction)_io__BufferedIOBase_readinto1, METH_O, _io__BufferedIOBase_readinto1__doc__},
+
+static PyObject *
+_io__BufferedIOBase_readinto1_impl(PyObject *self, Py_buffer *buffer);
+
+static PyObject *
+_io__BufferedIOBase_readinto1(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "w*:readinto1",
+        &buffer))
+        goto exit;
+    return_value = _io__BufferedIOBase_readinto1_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__BufferedIOBase_detach__doc__,
+"detach($self, /)\n"
+"--\n"
+"\n"
+"Disconnect this buffer from its underlying raw stream and return it.\n"
+"\n"
+"After the raw stream has been detached, the buffer is in an unusable\n"
+"state.");
+
+#define _IO__BUFFEREDIOBASE_DETACH_METHODDEF    \
+    {"detach", (PyCFunction)_io__BufferedIOBase_detach, METH_NOARGS, _io__BufferedIOBase_detach__doc__},
+
+static PyObject *
+_io__BufferedIOBase_detach_impl(PyObject *self);
+
+static PyObject *
+_io__BufferedIOBase_detach(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__BufferedIOBase_detach_impl(self);
+}
+
+PyDoc_STRVAR(_io__Buffered_peek__doc__,
+"peek($self, size=0, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_PEEK_METHODDEF    \
+    {"peek", (PyCFunction)_io__Buffered_peek, METH_VARARGS, _io__Buffered_peek__doc__},
+
+static PyObject *
+_io__Buffered_peek_impl(buffered *self, Py_ssize_t size);
+
+static PyObject *
+_io__Buffered_peek(buffered *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t size = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "|n:peek",
+        &size))
+        goto exit;
+    return_value = _io__Buffered_peek_impl(self, size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_read__doc__,
+"read($self, size=-1, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_READ_METHODDEF    \
+    {"read", (PyCFunction)_io__Buffered_read, METH_VARARGS, _io__Buffered_read__doc__},
+
+static PyObject *
+_io__Buffered_read_impl(buffered *self, Py_ssize_t n);
+
+static PyObject *
+_io__Buffered_read(buffered *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t n = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|O&:read",
+        _PyIO_ConvertSsize_t, &n))
+        goto exit;
+    return_value = _io__Buffered_read_impl(self, n);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_read1__doc__,
+"read1($self, size, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_READ1_METHODDEF    \
+    {"read1", (PyCFunction)_io__Buffered_read1, METH_O, _io__Buffered_read1__doc__},
+
+static PyObject *
+_io__Buffered_read1_impl(buffered *self, Py_ssize_t n);
+
+static PyObject *
+_io__Buffered_read1(buffered *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t n;
+
+    if (!PyArg_Parse(arg,
+        "n:read1",
+        &n))
+        goto exit;
+    return_value = _io__Buffered_read1_impl(self, n);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_readinto__doc__,
+"readinto($self, buffer, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_READINTO_METHODDEF    \
+    {"readinto", (PyCFunction)_io__Buffered_readinto, METH_O, _io__Buffered_readinto__doc__},
+
+static PyObject *
+_io__Buffered_readinto_impl(buffered *self, Py_buffer *buffer);
+
+static PyObject *
+_io__Buffered_readinto(buffered *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "w*:readinto",
+        &buffer))
+        goto exit;
+    return_value = _io__Buffered_readinto_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_readinto1__doc__,
+"readinto1($self, buffer, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_READINTO1_METHODDEF    \
+    {"readinto1", (PyCFunction)_io__Buffered_readinto1, METH_O, _io__Buffered_readinto1__doc__},
+
+static PyObject *
+_io__Buffered_readinto1_impl(buffered *self, Py_buffer *buffer);
+
+static PyObject *
+_io__Buffered_readinto1(buffered *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "w*:readinto1",
+        &buffer))
+        goto exit;
+    return_value = _io__Buffered_readinto1_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_readline__doc__,
+"readline($self, size=-1, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_READLINE_METHODDEF    \
+    {"readline", (PyCFunction)_io__Buffered_readline, METH_VARARGS, _io__Buffered_readline__doc__},
+
+static PyObject *
+_io__Buffered_readline_impl(buffered *self, Py_ssize_t size);
+
+static PyObject *
+_io__Buffered_readline(buffered *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t size = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|O&:readline",
+        _PyIO_ConvertSsize_t, &size))
+        goto exit;
+    return_value = _io__Buffered_readline_impl(self, size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_seek__doc__,
+"seek($self, target, whence=0, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_SEEK_METHODDEF    \
+    {"seek", (PyCFunction)_io__Buffered_seek, METH_VARARGS, _io__Buffered_seek__doc__},
+
+static PyObject *
+_io__Buffered_seek_impl(buffered *self, PyObject *targetobj, int whence);
+
+static PyObject *
+_io__Buffered_seek(buffered *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *targetobj;
+    int whence = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "O|i:seek",
+        &targetobj, &whence))
+        goto exit;
+    return_value = _io__Buffered_seek_impl(self, targetobj, whence);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__Buffered_truncate__doc__,
+"truncate($self, pos=None, /)\n"
+"--\n"
+"\n");
+
+#define _IO__BUFFERED_TRUNCATE_METHODDEF    \
+    {"truncate", (PyCFunction)_io__Buffered_truncate, METH_VARARGS, _io__Buffered_truncate__doc__},
+
+static PyObject *
+_io__Buffered_truncate_impl(buffered *self, PyObject *pos);
+
+static PyObject *
+_io__Buffered_truncate(buffered *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *pos = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "truncate",
+        0, 1,
+        &pos))
+        goto exit;
+    return_value = _io__Buffered_truncate_impl(self, pos);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BufferedReader___init____doc__,
+"BufferedReader(raw, buffer_size=DEFAULT_BUFFER_SIZE)\n"
+"--\n"
+"\n"
+"Create a new buffered reader using the given readable raw IO object.");
+
+static int
+_io_BufferedReader___init___impl(buffered *self, PyObject *raw,
+                                 Py_ssize_t buffer_size);
+
+static int
+_io_BufferedReader___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"raw", "buffer_size", NULL};
+    PyObject *raw;
+    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|n:BufferedReader", _keywords,
+        &raw, &buffer_size))
+        goto exit;
+    return_value = _io_BufferedReader___init___impl((buffered *)self, raw, buffer_size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BufferedWriter___init____doc__,
+"BufferedWriter(raw, buffer_size=DEFAULT_BUFFER_SIZE)\n"
+"--\n"
+"\n"
+"A buffer for a writeable sequential RawIO object.\n"
+"\n"
+"The constructor creates a BufferedWriter for the given writeable raw\n"
+"stream. If the buffer_size is not given, it defaults to\n"
+"DEFAULT_BUFFER_SIZE.");
+
+static int
+_io_BufferedWriter___init___impl(buffered *self, PyObject *raw,
+                                 Py_ssize_t buffer_size);
+
+static int
+_io_BufferedWriter___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"raw", "buffer_size", NULL};
+    PyObject *raw;
+    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|n:BufferedWriter", _keywords,
+        &raw, &buffer_size))
+        goto exit;
+    return_value = _io_BufferedWriter___init___impl((buffered *)self, raw, buffer_size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BufferedWriter_write__doc__,
+"write($self, buffer, /)\n"
+"--\n"
+"\n");
+
+#define _IO_BUFFEREDWRITER_WRITE_METHODDEF    \
+    {"write", (PyCFunction)_io_BufferedWriter_write, METH_O, _io_BufferedWriter_write__doc__},
+
+static PyObject *
+_io_BufferedWriter_write_impl(buffered *self, Py_buffer *buffer);
+
+static PyObject *
+_io_BufferedWriter_write(buffered *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "y*:write",
+        &buffer))
+        goto exit;
+    return_value = _io_BufferedWriter_write_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BufferedRWPair___init____doc__,
+"BufferedRWPair(reader, writer, buffer_size=DEFAULT_BUFFER_SIZE, /)\n"
+"--\n"
+"\n"
+"A buffered reader and writer object together.\n"
+"\n"
+"A buffered reader object and buffered writer object put together to\n"
+"form a sequential IO object that can read and write. This is typically\n"
+"used with a socket or two-way pipe.\n"
+"\n"
+"reader and writer are RawIOBase objects that are readable and\n"
+"writeable respectively. If the buffer_size is omitted it defaults to\n"
+"DEFAULT_BUFFER_SIZE.");
+
+static int
+_io_BufferedRWPair___init___impl(rwpair *self, PyObject *reader,
+                                 PyObject *writer, Py_ssize_t buffer_size);
+
+static int
+_io_BufferedRWPair___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    PyObject *reader;
+    PyObject *writer;
+    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
+
+    if ((Py_TYPE(self) == &PyBufferedRWPair_Type) &&
+        !_PyArg_NoKeywords("BufferedRWPair", kwargs))
+        goto exit;
+    if (!PyArg_ParseTuple(args,
+        "OO|n:BufferedRWPair",
+        &reader, &writer, &buffer_size))
+        goto exit;
+    return_value = _io_BufferedRWPair___init___impl((rwpair *)self, reader, writer, buffer_size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BufferedRandom___init____doc__,
+"BufferedRandom(raw, buffer_size=DEFAULT_BUFFER_SIZE)\n"
+"--\n"
+"\n"
+"A buffered interface to random access streams.\n"
+"\n"
+"The constructor creates a reader and writer for a seekable stream,\n"
+"raw, given in the first argument. If the buffer_size is omitted it\n"
+"defaults to DEFAULT_BUFFER_SIZE.");
+
+static int
+_io_BufferedRandom___init___impl(buffered *self, PyObject *raw,
+                                 Py_ssize_t buffer_size);
+
+static int
+_io_BufferedRandom___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"raw", "buffer_size", NULL};
+    PyObject *raw;
+    Py_ssize_t buffer_size = DEFAULT_BUFFER_SIZE;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|n:BufferedRandom", _keywords,
+        &raw, &buffer_size))
+        goto exit;
+    return_value = _io_BufferedRandom___init___impl((buffered *)self, raw, buffer_size);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=78808e39f36e3fa9 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/bytesio.c.h b/Modules/_io/clinic/bytesio.c.h
new file mode 100644
index 0000000..695c46a
--- /dev/null
+++ b/Modules/_io/clinic/bytesio.c.h
@@ -0,0 +1,426 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io_BytesIO_readable__doc__,
+"readable($self, /)\n"
+"--\n"
+"\n"
+"Returns True if the IO object can be read.");
+
+#define _IO_BYTESIO_READABLE_METHODDEF    \
+    {"readable", (PyCFunction)_io_BytesIO_readable, METH_NOARGS, _io_BytesIO_readable__doc__},
+
+static PyObject *
+_io_BytesIO_readable_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_readable(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_readable_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_writable__doc__,
+"writable($self, /)\n"
+"--\n"
+"\n"
+"Returns True if the IO object can be written.");
+
+#define _IO_BYTESIO_WRITABLE_METHODDEF    \
+    {"writable", (PyCFunction)_io_BytesIO_writable, METH_NOARGS, _io_BytesIO_writable__doc__},
+
+static PyObject *
+_io_BytesIO_writable_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_writable(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_writable_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_seekable__doc__,
+"seekable($self, /)\n"
+"--\n"
+"\n"
+"Returns True if the IO object can be seeked.");
+
+#define _IO_BYTESIO_SEEKABLE_METHODDEF    \
+    {"seekable", (PyCFunction)_io_BytesIO_seekable, METH_NOARGS, _io_BytesIO_seekable__doc__},
+
+static PyObject *
+_io_BytesIO_seekable_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_seekable(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_seekable_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_flush__doc__,
+"flush($self, /)\n"
+"--\n"
+"\n"
+"Does nothing.");
+
+#define _IO_BYTESIO_FLUSH_METHODDEF    \
+    {"flush", (PyCFunction)_io_BytesIO_flush, METH_NOARGS, _io_BytesIO_flush__doc__},
+
+static PyObject *
+_io_BytesIO_flush_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_flush(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_flush_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_getbuffer__doc__,
+"getbuffer($self, /)\n"
+"--\n"
+"\n"
+"Get a read-write view over the contents of the BytesIO object.");
+
+#define _IO_BYTESIO_GETBUFFER_METHODDEF    \
+    {"getbuffer", (PyCFunction)_io_BytesIO_getbuffer, METH_NOARGS, _io_BytesIO_getbuffer__doc__},
+
+static PyObject *
+_io_BytesIO_getbuffer_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_getbuffer(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_getbuffer_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_getvalue__doc__,
+"getvalue($self, /)\n"
+"--\n"
+"\n"
+"Retrieve the entire contents of the BytesIO object.");
+
+#define _IO_BYTESIO_GETVALUE_METHODDEF    \
+    {"getvalue", (PyCFunction)_io_BytesIO_getvalue, METH_NOARGS, _io_BytesIO_getvalue__doc__},
+
+static PyObject *
+_io_BytesIO_getvalue_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_getvalue(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_getvalue_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_isatty__doc__,
+"isatty($self, /)\n"
+"--\n"
+"\n"
+"Always returns False.\n"
+"\n"
+"BytesIO objects are not connected to a TTY-like device.");
+
+#define _IO_BYTESIO_ISATTY_METHODDEF    \
+    {"isatty", (PyCFunction)_io_BytesIO_isatty, METH_NOARGS, _io_BytesIO_isatty__doc__},
+
+static PyObject *
+_io_BytesIO_isatty_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_isatty(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_isatty_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_tell__doc__,
+"tell($self, /)\n"
+"--\n"
+"\n"
+"Current file position, an integer.");
+
+#define _IO_BYTESIO_TELL_METHODDEF    \
+    {"tell", (PyCFunction)_io_BytesIO_tell, METH_NOARGS, _io_BytesIO_tell__doc__},
+
+static PyObject *
+_io_BytesIO_tell_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_tell(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_tell_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO_read__doc__,
+"read($self, size=None, /)\n"
+"--\n"
+"\n"
+"Read at most size bytes, returned as a bytes object.\n"
+"\n"
+"If the size argument is negative, read until EOF is reached.\n"
+"Return an empty bytes object at EOF.");
+
+#define _IO_BYTESIO_READ_METHODDEF    \
+    {"read", (PyCFunction)_io_BytesIO_read, METH_VARARGS, _io_BytesIO_read__doc__},
+
+static PyObject *
+_io_BytesIO_read_impl(bytesio *self, PyObject *arg);
+
+static PyObject *
+_io_BytesIO_read(bytesio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "read",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_BytesIO_read_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BytesIO_read1__doc__,
+"read1($self, size, /)\n"
+"--\n"
+"\n"
+"Read at most size bytes, returned as a bytes object.\n"
+"\n"
+"If the size argument is negative or omitted, read until EOF is reached.\n"
+"Return an empty bytes object at EOF.");
+
+#define _IO_BYTESIO_READ1_METHODDEF    \
+    {"read1", (PyCFunction)_io_BytesIO_read1, METH_O, _io_BytesIO_read1__doc__},
+
+PyDoc_STRVAR(_io_BytesIO_readline__doc__,
+"readline($self, size=None, /)\n"
+"--\n"
+"\n"
+"Next line from the file, as a bytes object.\n"
+"\n"
+"Retain newline.  A non-negative size argument limits the maximum\n"
+"number of bytes to return (an incomplete line may be returned then).\n"
+"Return an empty bytes object at EOF.");
+
+#define _IO_BYTESIO_READLINE_METHODDEF    \
+    {"readline", (PyCFunction)_io_BytesIO_readline, METH_VARARGS, _io_BytesIO_readline__doc__},
+
+static PyObject *
+_io_BytesIO_readline_impl(bytesio *self, PyObject *arg);
+
+static PyObject *
+_io_BytesIO_readline(bytesio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "readline",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_BytesIO_readline_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BytesIO_readlines__doc__,
+"readlines($self, size=None, /)\n"
+"--\n"
+"\n"
+"List of bytes objects, each a line from the file.\n"
+"\n"
+"Call readline() repeatedly and return a list of the lines so read.\n"
+"The optional size argument, if given, is an approximate bound on the\n"
+"total number of bytes in the lines returned.");
+
+#define _IO_BYTESIO_READLINES_METHODDEF    \
+    {"readlines", (PyCFunction)_io_BytesIO_readlines, METH_VARARGS, _io_BytesIO_readlines__doc__},
+
+static PyObject *
+_io_BytesIO_readlines_impl(bytesio *self, PyObject *arg);
+
+static PyObject *
+_io_BytesIO_readlines(bytesio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "readlines",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_BytesIO_readlines_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BytesIO_readinto__doc__,
+"readinto($self, buffer, /)\n"
+"--\n"
+"\n"
+"Read up to len(buffer) bytes into buffer.\n"
+"\n"
+"Returns number of bytes read (0 for EOF), or None if the object\n"
+"is set not to block as has no data to read.");
+
+#define _IO_BYTESIO_READINTO_METHODDEF    \
+    {"readinto", (PyCFunction)_io_BytesIO_readinto, METH_O, _io_BytesIO_readinto__doc__},
+
+static PyObject *
+_io_BytesIO_readinto_impl(bytesio *self, Py_buffer *buffer);
+
+static PyObject *
+_io_BytesIO_readinto(bytesio *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "w*:readinto",
+        &buffer))
+        goto exit;
+    return_value = _io_BytesIO_readinto_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BytesIO_truncate__doc__,
+"truncate($self, size=None, /)\n"
+"--\n"
+"\n"
+"Truncate the file to at most size bytes.\n"
+"\n"
+"Size defaults to the current file position, as returned by tell().\n"
+"The current file position is unchanged.  Returns the new size.");
+
+#define _IO_BYTESIO_TRUNCATE_METHODDEF    \
+    {"truncate", (PyCFunction)_io_BytesIO_truncate, METH_VARARGS, _io_BytesIO_truncate__doc__},
+
+static PyObject *
+_io_BytesIO_truncate_impl(bytesio *self, PyObject *arg);
+
+static PyObject *
+_io_BytesIO_truncate(bytesio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "truncate",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_BytesIO_truncate_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BytesIO_seek__doc__,
+"seek($self, pos, whence=0, /)\n"
+"--\n"
+"\n"
+"Change stream position.\n"
+"\n"
+"Seek to byte offset pos relative to position indicated by whence:\n"
+"     0  Start of stream (the default).  pos should be >= 0;\n"
+"     1  Current position - pos may be negative;\n"
+"     2  End of stream - pos usually negative.\n"
+"Returns the new absolute position.");
+
+#define _IO_BYTESIO_SEEK_METHODDEF    \
+    {"seek", (PyCFunction)_io_BytesIO_seek, METH_VARARGS, _io_BytesIO_seek__doc__},
+
+static PyObject *
+_io_BytesIO_seek_impl(bytesio *self, Py_ssize_t pos, int whence);
+
+static PyObject *
+_io_BytesIO_seek(bytesio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t pos;
+    int whence = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "n|i:seek",
+        &pos, &whence))
+        goto exit;
+    return_value = _io_BytesIO_seek_impl(self, pos, whence);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_BytesIO_write__doc__,
+"write($self, b, /)\n"
+"--\n"
+"\n"
+"Write bytes to file.\n"
+"\n"
+"Return the number of bytes written.");
+
+#define _IO_BYTESIO_WRITE_METHODDEF    \
+    {"write", (PyCFunction)_io_BytesIO_write, METH_O, _io_BytesIO_write__doc__},
+
+PyDoc_STRVAR(_io_BytesIO_writelines__doc__,
+"writelines($self, lines, /)\n"
+"--\n"
+"\n"
+"Write lines to the file.\n"
+"\n"
+"Note that newlines are not added.  lines can be any iterable object\n"
+"producing bytes-like objects. This is equivalent to calling write() for\n"
+"each element.");
+
+#define _IO_BYTESIO_WRITELINES_METHODDEF    \
+    {"writelines", (PyCFunction)_io_BytesIO_writelines, METH_O, _io_BytesIO_writelines__doc__},
+
+PyDoc_STRVAR(_io_BytesIO_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n"
+"Disable all I/O operations.");
+
+#define _IO_BYTESIO_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_io_BytesIO_close, METH_NOARGS, _io_BytesIO_close__doc__},
+
+static PyObject *
+_io_BytesIO_close_impl(bytesio *self);
+
+static PyObject *
+_io_BytesIO_close(bytesio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_BytesIO_close_impl(self);
+}
+
+PyDoc_STRVAR(_io_BytesIO___init____doc__,
+"BytesIO(initial_bytes=b\'\')\n"
+"--\n"
+"\n"
+"Buffered I/O implementation using an in-memory bytes buffer.");
+
+static int
+_io_BytesIO___init___impl(bytesio *self, PyObject *initvalue);
+
+static int
+_io_BytesIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"initial_bytes", NULL};
+    PyObject *initvalue = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:BytesIO", _keywords,
+        &initvalue))
+        goto exit;
+    return_value = _io_BytesIO___init___impl((bytesio *)self, initvalue);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=e22697ada514f4eb input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/fileio.c.h b/Modules/_io/clinic/fileio.c.h
new file mode 100644
index 0000000..bb68cc9
--- /dev/null
+++ b/Modules/_io/clinic/fileio.c.h
@@ -0,0 +1,374 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io_FileIO_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n"
+"Close the file.\n"
+"\n"
+"A closed file cannot be used for further I/O operations.  close() may be\n"
+"called more than once without error.");
+
+#define _IO_FILEIO_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_io_FileIO_close, METH_NOARGS, _io_FileIO_close__doc__},
+
+static PyObject *
+_io_FileIO_close_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_close(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_close_impl(self);
+}
+
+PyDoc_STRVAR(_io_FileIO___init____doc__,
+"FileIO(file, mode=\'r\', closefd=True, opener=None)\n"
+"--\n"
+"\n"
+"Open a file.\n"
+"\n"
+"The mode can be \'r\' (default), \'w\', \'x\' or \'a\' for reading,\n"
+"writing, exclusive creation or appending.  The file will be created if it\n"
+"doesn\'t exist when opened for writing or appending; it will be truncated\n"
+"when opened for writing.  A FileExistsError will be raised if it already\n"
+"exists when opened for creating. Opening a file for creating implies\n"
+"writing so this mode behaves in a similar way to \'w\'.Add a \'+\' to the mode\n"
+"to allow simultaneous reading and writing. A custom opener can be used by\n"
+"passing a callable as *opener*. The underlying file descriptor for the file\n"
+"object is then obtained by calling opener with (*name*, *flags*).\n"
+"*opener* must return an open file descriptor (passing os.open as *opener*\n"
+"results in functionality similar to passing None).");
+
+static int
+_io_FileIO___init___impl(fileio *self, PyObject *nameobj, const char *mode,
+                         int closefd, PyObject *opener);
+
+static int
+_io_FileIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"file", "mode", "closefd", "opener", NULL};
+    PyObject *nameobj;
+    const char *mode = "r";
+    int closefd = 1;
+    PyObject *opener = Py_None;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|siO:FileIO", _keywords,
+        &nameobj, &mode, &closefd, &opener))
+        goto exit;
+    return_value = _io_FileIO___init___impl((fileio *)self, nameobj, mode, closefd, opener);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_FileIO_fileno__doc__,
+"fileno($self, /)\n"
+"--\n"
+"\n"
+"Return the underlying file descriptor (an integer).");
+
+#define _IO_FILEIO_FILENO_METHODDEF    \
+    {"fileno", (PyCFunction)_io_FileIO_fileno, METH_NOARGS, _io_FileIO_fileno__doc__},
+
+static PyObject *
+_io_FileIO_fileno_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_fileno(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_fileno_impl(self);
+}
+
+PyDoc_STRVAR(_io_FileIO_readable__doc__,
+"readable($self, /)\n"
+"--\n"
+"\n"
+"True if file was opened in a read mode.");
+
+#define _IO_FILEIO_READABLE_METHODDEF    \
+    {"readable", (PyCFunction)_io_FileIO_readable, METH_NOARGS, _io_FileIO_readable__doc__},
+
+static PyObject *
+_io_FileIO_readable_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_readable(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_readable_impl(self);
+}
+
+PyDoc_STRVAR(_io_FileIO_writable__doc__,
+"writable($self, /)\n"
+"--\n"
+"\n"
+"True if file was opened in a write mode.");
+
+#define _IO_FILEIO_WRITABLE_METHODDEF    \
+    {"writable", (PyCFunction)_io_FileIO_writable, METH_NOARGS, _io_FileIO_writable__doc__},
+
+static PyObject *
+_io_FileIO_writable_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_writable(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_writable_impl(self);
+}
+
+PyDoc_STRVAR(_io_FileIO_seekable__doc__,
+"seekable($self, /)\n"
+"--\n"
+"\n"
+"True if file supports random-access.");
+
+#define _IO_FILEIO_SEEKABLE_METHODDEF    \
+    {"seekable", (PyCFunction)_io_FileIO_seekable, METH_NOARGS, _io_FileIO_seekable__doc__},
+
+static PyObject *
+_io_FileIO_seekable_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_seekable(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_seekable_impl(self);
+}
+
+PyDoc_STRVAR(_io_FileIO_readinto__doc__,
+"readinto($self, buffer, /)\n"
+"--\n"
+"\n"
+"Same as RawIOBase.readinto().");
+
+#define _IO_FILEIO_READINTO_METHODDEF    \
+    {"readinto", (PyCFunction)_io_FileIO_readinto, METH_O, _io_FileIO_readinto__doc__},
+
+static PyObject *
+_io_FileIO_readinto_impl(fileio *self, Py_buffer *buffer);
+
+static PyObject *
+_io_FileIO_readinto(fileio *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "w*:readinto",
+        &buffer))
+        goto exit;
+    return_value = _io_FileIO_readinto_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_FileIO_readall__doc__,
+"readall($self, /)\n"
+"--\n"
+"\n"
+"Read all data from the file, returned as bytes.\n"
+"\n"
+"In non-blocking mode, returns as much as is immediately available,\n"
+"or None if no data is available.  Return an empty bytes object at EOF.");
+
+#define _IO_FILEIO_READALL_METHODDEF    \
+    {"readall", (PyCFunction)_io_FileIO_readall, METH_NOARGS, _io_FileIO_readall__doc__},
+
+static PyObject *
+_io_FileIO_readall_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_readall(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_readall_impl(self);
+}
+
+PyDoc_STRVAR(_io_FileIO_read__doc__,
+"read($self, size=-1, /)\n"
+"--\n"
+"\n"
+"Read at most size bytes, returned as bytes.\n"
+"\n"
+"Only makes one system call, so less data may be returned than requested.\n"
+"In non-blocking mode, returns None if no data is available.\n"
+"Return an empty bytes object at EOF.");
+
+#define _IO_FILEIO_READ_METHODDEF    \
+    {"read", (PyCFunction)_io_FileIO_read, METH_VARARGS, _io_FileIO_read__doc__},
+
+static PyObject *
+_io_FileIO_read_impl(fileio *self, Py_ssize_t size);
+
+static PyObject *
+_io_FileIO_read(fileio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t size = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|O&:read",
+        _PyIO_ConvertSsize_t, &size))
+        goto exit;
+    return_value = _io_FileIO_read_impl(self, size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_FileIO_write__doc__,
+"write($self, b, /)\n"
+"--\n"
+"\n"
+"Write bytes b to file, return number written.\n"
+"\n"
+"Only makes one system call, so not all of the data may be written.\n"
+"The number of bytes actually written is returned.  In non-blocking mode,\n"
+"returns None if the write would block.");
+
+#define _IO_FILEIO_WRITE_METHODDEF    \
+    {"write", (PyCFunction)_io_FileIO_write, METH_O, _io_FileIO_write__doc__},
+
+static PyObject *
+_io_FileIO_write_impl(fileio *self, Py_buffer *b);
+
+static PyObject *
+_io_FileIO_write(fileio *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer b = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "y*:write",
+        &b))
+        goto exit;
+    return_value = _io_FileIO_write_impl(self, &b);
+
+exit:
+    /* Cleanup for b */
+    if (b.obj)
+       PyBuffer_Release(&b);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_FileIO_seek__doc__,
+"seek($self, pos, whence=0, /)\n"
+"--\n"
+"\n"
+"Move to new file position and return the file position.\n"
+"\n"
+"Argument offset is a byte count.  Optional argument whence defaults to\n"
+"SEEK_SET or 0 (offset from start of file, offset should be >= 0); other values\n"
+"are SEEK_CUR or 1 (move relative to current position, positive or negative),\n"
+"and SEEK_END or 2 (move relative to end of file, usually negative, although\n"
+"many platforms allow seeking beyond the end of a file).\n"
+"\n"
+"Note that not all file objects are seekable.");
+
+#define _IO_FILEIO_SEEK_METHODDEF    \
+    {"seek", (PyCFunction)_io_FileIO_seek, METH_VARARGS, _io_FileIO_seek__doc__},
+
+static PyObject *
+_io_FileIO_seek_impl(fileio *self, PyObject *pos, int whence);
+
+static PyObject *
+_io_FileIO_seek(fileio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *pos;
+    int whence = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "O|i:seek",
+        &pos, &whence))
+        goto exit;
+    return_value = _io_FileIO_seek_impl(self, pos, whence);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_FileIO_tell__doc__,
+"tell($self, /)\n"
+"--\n"
+"\n"
+"Current file position.\n"
+"\n"
+"Can raise OSError for non seekable files.");
+
+#define _IO_FILEIO_TELL_METHODDEF    \
+    {"tell", (PyCFunction)_io_FileIO_tell, METH_NOARGS, _io_FileIO_tell__doc__},
+
+static PyObject *
+_io_FileIO_tell_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_tell(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_tell_impl(self);
+}
+
+#if defined(HAVE_FTRUNCATE)
+
+PyDoc_STRVAR(_io_FileIO_truncate__doc__,
+"truncate($self, size=None, /)\n"
+"--\n"
+"\n"
+"Truncate the file to at most size bytes and return the truncated size.\n"
+"\n"
+"Size defaults to the current file position, as returned by tell().\n"
+"The current file position is changed to the value of size.");
+
+#define _IO_FILEIO_TRUNCATE_METHODDEF    \
+    {"truncate", (PyCFunction)_io_FileIO_truncate, METH_VARARGS, _io_FileIO_truncate__doc__},
+
+static PyObject *
+_io_FileIO_truncate_impl(fileio *self, PyObject *posobj);
+
+static PyObject *
+_io_FileIO_truncate(fileio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *posobj = NULL;
+
+    if (!PyArg_UnpackTuple(args, "truncate",
+        0, 1,
+        &posobj))
+        goto exit;
+    return_value = _io_FileIO_truncate_impl(self, posobj);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FTRUNCATE) */
+
+PyDoc_STRVAR(_io_FileIO_isatty__doc__,
+"isatty($self, /)\n"
+"--\n"
+"\n"
+"True if the file is connected to a TTY device.");
+
+#define _IO_FILEIO_ISATTY_METHODDEF    \
+    {"isatty", (PyCFunction)_io_FileIO_isatty, METH_NOARGS, _io_FileIO_isatty__doc__},
+
+static PyObject *
+_io_FileIO_isatty_impl(fileio *self);
+
+static PyObject *
+_io_FileIO_isatty(fileio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_FileIO_isatty_impl(self);
+}
+
+#ifndef _IO_FILEIO_TRUNCATE_METHODDEF
+    #define _IO_FILEIO_TRUNCATE_METHODDEF
+#endif /* !defined(_IO_FILEIO_TRUNCATE_METHODDEF) */
+/*[clinic end generated code: output=c6708e1980f6e02d input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/iobase.c.h b/Modules/_io/clinic/iobase.c.h
new file mode 100644
index 0000000..ce47faa
--- /dev/null
+++ b/Modules/_io/clinic/iobase.c.h
@@ -0,0 +1,282 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io__IOBase_tell__doc__,
+"tell($self, /)\n"
+"--\n"
+"\n"
+"Return current stream position.");
+
+#define _IO__IOBASE_TELL_METHODDEF    \
+    {"tell", (PyCFunction)_io__IOBase_tell, METH_NOARGS, _io__IOBase_tell__doc__},
+
+static PyObject *
+_io__IOBase_tell_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_tell(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_tell_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_flush__doc__,
+"flush($self, /)\n"
+"--\n"
+"\n"
+"Flush write buffers, if applicable.\n"
+"\n"
+"This is not implemented for read-only and non-blocking streams.");
+
+#define _IO__IOBASE_FLUSH_METHODDEF    \
+    {"flush", (PyCFunction)_io__IOBase_flush, METH_NOARGS, _io__IOBase_flush__doc__},
+
+static PyObject *
+_io__IOBase_flush_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_flush(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_flush_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n"
+"Flush and close the IO object.\n"
+"\n"
+"This method has no effect if the file is already closed.");
+
+#define _IO__IOBASE_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_io__IOBase_close, METH_NOARGS, _io__IOBase_close__doc__},
+
+static PyObject *
+_io__IOBase_close_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_close(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_close_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_seekable__doc__,
+"seekable($self, /)\n"
+"--\n"
+"\n"
+"Return whether object supports random access.\n"
+"\n"
+"If False, seek(), tell() and truncate() will raise UnsupportedOperation.\n"
+"This method may need to do a test seek().");
+
+#define _IO__IOBASE_SEEKABLE_METHODDEF    \
+    {"seekable", (PyCFunction)_io__IOBase_seekable, METH_NOARGS, _io__IOBase_seekable__doc__},
+
+static PyObject *
+_io__IOBase_seekable_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_seekable(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_seekable_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_readable__doc__,
+"readable($self, /)\n"
+"--\n"
+"\n"
+"Return whether object was opened for reading.\n"
+"\n"
+"If False, read() will raise UnsupportedOperation.");
+
+#define _IO__IOBASE_READABLE_METHODDEF    \
+    {"readable", (PyCFunction)_io__IOBase_readable, METH_NOARGS, _io__IOBase_readable__doc__},
+
+static PyObject *
+_io__IOBase_readable_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_readable(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_readable_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_writable__doc__,
+"writable($self, /)\n"
+"--\n"
+"\n"
+"Return whether object was opened for writing.\n"
+"\n"
+"If False, write() will raise UnsupportedOperation.");
+
+#define _IO__IOBASE_WRITABLE_METHODDEF    \
+    {"writable", (PyCFunction)_io__IOBase_writable, METH_NOARGS, _io__IOBase_writable__doc__},
+
+static PyObject *
+_io__IOBase_writable_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_writable(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_writable_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_fileno__doc__,
+"fileno($self, /)\n"
+"--\n"
+"\n"
+"Returns underlying file descriptor if one exists.\n"
+"\n"
+"An IOError is raised if the IO object does not use a file descriptor.");
+
+#define _IO__IOBASE_FILENO_METHODDEF    \
+    {"fileno", (PyCFunction)_io__IOBase_fileno, METH_NOARGS, _io__IOBase_fileno__doc__},
+
+static PyObject *
+_io__IOBase_fileno_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_fileno(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_fileno_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_isatty__doc__,
+"isatty($self, /)\n"
+"--\n"
+"\n"
+"Return whether this is an \'interactive\' stream.\n"
+"\n"
+"Return False if it can\'t be determined.");
+
+#define _IO__IOBASE_ISATTY_METHODDEF    \
+    {"isatty", (PyCFunction)_io__IOBase_isatty, METH_NOARGS, _io__IOBase_isatty__doc__},
+
+static PyObject *
+_io__IOBase_isatty_impl(PyObject *self);
+
+static PyObject *
+_io__IOBase_isatty(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__IOBase_isatty_impl(self);
+}
+
+PyDoc_STRVAR(_io__IOBase_readline__doc__,
+"readline($self, size=-1, /)\n"
+"--\n"
+"\n"
+"Read and return a line from the stream.\n"
+"\n"
+"If size is specified, at most size bytes will be read.\n"
+"\n"
+"The line terminator is always b\'\\n\' for binary files; for text\n"
+"files, the newlines argument to open can be used to select the line\n"
+"terminator(s) recognized.");
+
+#define _IO__IOBASE_READLINE_METHODDEF    \
+    {"readline", (PyCFunction)_io__IOBase_readline, METH_VARARGS, _io__IOBase_readline__doc__},
+
+static PyObject *
+_io__IOBase_readline_impl(PyObject *self, Py_ssize_t limit);
+
+static PyObject *
+_io__IOBase_readline(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t limit = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|O&:readline",
+        _PyIO_ConvertSsize_t, &limit))
+        goto exit;
+    return_value = _io__IOBase_readline_impl(self, limit);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__IOBase_readlines__doc__,
+"readlines($self, hint=-1, /)\n"
+"--\n"
+"\n"
+"Return a list of lines from the stream.\n"
+"\n"
+"hint can be specified to control the number of lines read: no more\n"
+"lines will be read if the total size (in bytes/characters) of all\n"
+"lines so far exceeds hint.");
+
+#define _IO__IOBASE_READLINES_METHODDEF    \
+    {"readlines", (PyCFunction)_io__IOBase_readlines, METH_VARARGS, _io__IOBase_readlines__doc__},
+
+static PyObject *
+_io__IOBase_readlines_impl(PyObject *self, Py_ssize_t hint);
+
+static PyObject *
+_io__IOBase_readlines(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t hint = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|O&:readlines",
+        _PyIO_ConvertSsize_t, &hint))
+        goto exit;
+    return_value = _io__IOBase_readlines_impl(self, hint);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__IOBase_writelines__doc__,
+"writelines($self, lines, /)\n"
+"--\n"
+"\n");
+
+#define _IO__IOBASE_WRITELINES_METHODDEF    \
+    {"writelines", (PyCFunction)_io__IOBase_writelines, METH_O, _io__IOBase_writelines__doc__},
+
+PyDoc_STRVAR(_io__RawIOBase_read__doc__,
+"read($self, size=-1, /)\n"
+"--\n"
+"\n");
+
+#define _IO__RAWIOBASE_READ_METHODDEF    \
+    {"read", (PyCFunction)_io__RawIOBase_read, METH_VARARGS, _io__RawIOBase_read__doc__},
+
+static PyObject *
+_io__RawIOBase_read_impl(PyObject *self, Py_ssize_t n);
+
+static PyObject *
+_io__RawIOBase_read(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t n = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|n:read",
+        &n))
+        goto exit;
+    return_value = _io__RawIOBase_read_impl(self, n);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io__RawIOBase_readall__doc__,
+"readall($self, /)\n"
+"--\n"
+"\n"
+"Read until EOF, using multiple read() call.");
+
+#define _IO__RAWIOBASE_READALL_METHODDEF    \
+    {"readall", (PyCFunction)_io__RawIOBase_readall, METH_NOARGS, _io__RawIOBase_readall__doc__},
+
+static PyObject *
+_io__RawIOBase_readall_impl(PyObject *self);
+
+static PyObject *
+_io__RawIOBase_readall(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io__RawIOBase_readall_impl(self);
+}
+/*[clinic end generated code: output=84eef4b7541f54b7 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/stringio.c.h b/Modules/_io/clinic/stringio.c.h
new file mode 100644
index 0000000..b830c6d
--- /dev/null
+++ b/Modules/_io/clinic/stringio.c.h
@@ -0,0 +1,288 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io_StringIO_getvalue__doc__,
+"getvalue($self, /)\n"
+"--\n"
+"\n"
+"Retrieve the entire contents of the object.");
+
+#define _IO_STRINGIO_GETVALUE_METHODDEF    \
+    {"getvalue", (PyCFunction)_io_StringIO_getvalue, METH_NOARGS, _io_StringIO_getvalue__doc__},
+
+static PyObject *
+_io_StringIO_getvalue_impl(stringio *self);
+
+static PyObject *
+_io_StringIO_getvalue(stringio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_StringIO_getvalue_impl(self);
+}
+
+PyDoc_STRVAR(_io_StringIO_tell__doc__,
+"tell($self, /)\n"
+"--\n"
+"\n"
+"Tell the current file position.");
+
+#define _IO_STRINGIO_TELL_METHODDEF    \
+    {"tell", (PyCFunction)_io_StringIO_tell, METH_NOARGS, _io_StringIO_tell__doc__},
+
+static PyObject *
+_io_StringIO_tell_impl(stringio *self);
+
+static PyObject *
+_io_StringIO_tell(stringio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_StringIO_tell_impl(self);
+}
+
+PyDoc_STRVAR(_io_StringIO_read__doc__,
+"read($self, size=None, /)\n"
+"--\n"
+"\n"
+"Read at most size characters, returned as a string.\n"
+"\n"
+"If the argument is negative or omitted, read until EOF\n"
+"is reached. Return an empty string at EOF.");
+
+#define _IO_STRINGIO_READ_METHODDEF    \
+    {"read", (PyCFunction)_io_StringIO_read, METH_VARARGS, _io_StringIO_read__doc__},
+
+static PyObject *
+_io_StringIO_read_impl(stringio *self, PyObject *arg);
+
+static PyObject *
+_io_StringIO_read(stringio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "read",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_StringIO_read_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_StringIO_readline__doc__,
+"readline($self, size=None, /)\n"
+"--\n"
+"\n"
+"Read until newline or EOF.\n"
+"\n"
+"Returns an empty string if EOF is hit immediately.");
+
+#define _IO_STRINGIO_READLINE_METHODDEF    \
+    {"readline", (PyCFunction)_io_StringIO_readline, METH_VARARGS, _io_StringIO_readline__doc__},
+
+static PyObject *
+_io_StringIO_readline_impl(stringio *self, PyObject *arg);
+
+static PyObject *
+_io_StringIO_readline(stringio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "readline",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_StringIO_readline_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_StringIO_truncate__doc__,
+"truncate($self, pos=None, /)\n"
+"--\n"
+"\n"
+"Truncate size to pos.\n"
+"\n"
+"The pos argument defaults to the current file position, as\n"
+"returned by tell().  The current file position is unchanged.\n"
+"Returns the new absolute position.");
+
+#define _IO_STRINGIO_TRUNCATE_METHODDEF    \
+    {"truncate", (PyCFunction)_io_StringIO_truncate, METH_VARARGS, _io_StringIO_truncate__doc__},
+
+static PyObject *
+_io_StringIO_truncate_impl(stringio *self, PyObject *arg);
+
+static PyObject *
+_io_StringIO_truncate(stringio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "truncate",
+        0, 1,
+        &arg))
+        goto exit;
+    return_value = _io_StringIO_truncate_impl(self, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_StringIO_seek__doc__,
+"seek($self, pos, whence=0, /)\n"
+"--\n"
+"\n"
+"Change stream position.\n"
+"\n"
+"Seek to character offset pos relative to position indicated by whence:\n"
+"    0  Start of stream (the default).  pos should be >= 0;\n"
+"    1  Current position - pos must be 0;\n"
+"    2  End of stream - pos must be 0.\n"
+"Returns the new absolute position.");
+
+#define _IO_STRINGIO_SEEK_METHODDEF    \
+    {"seek", (PyCFunction)_io_StringIO_seek, METH_VARARGS, _io_StringIO_seek__doc__},
+
+static PyObject *
+_io_StringIO_seek_impl(stringio *self, Py_ssize_t pos, int whence);
+
+static PyObject *
+_io_StringIO_seek(stringio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t pos;
+    int whence = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "n|i:seek",
+        &pos, &whence))
+        goto exit;
+    return_value = _io_StringIO_seek_impl(self, pos, whence);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_StringIO_write__doc__,
+"write($self, s, /)\n"
+"--\n"
+"\n"
+"Write string to file.\n"
+"\n"
+"Returns the number of characters written, which is always equal to\n"
+"the length of the string.");
+
+#define _IO_STRINGIO_WRITE_METHODDEF    \
+    {"write", (PyCFunction)_io_StringIO_write, METH_O, _io_StringIO_write__doc__},
+
+PyDoc_STRVAR(_io_StringIO_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n"
+"Close the IO object.\n"
+"\n"
+"Attempting any further operation after the object is closed\n"
+"will raise a ValueError.\n"
+"\n"
+"This method has no effect if the file is already closed.");
+
+#define _IO_STRINGIO_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_io_StringIO_close, METH_NOARGS, _io_StringIO_close__doc__},
+
+static PyObject *
+_io_StringIO_close_impl(stringio *self);
+
+static PyObject *
+_io_StringIO_close(stringio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_StringIO_close_impl(self);
+}
+
+PyDoc_STRVAR(_io_StringIO___init____doc__,
+"StringIO(initial_value=\'\', newline=\'\\n\')\n"
+"--\n"
+"\n"
+"Text I/O implementation using an in-memory buffer.\n"
+"\n"
+"The initial_value argument sets the value of object.  The newline\n"
+"argument is like the one of TextIOWrapper\'s constructor.");
+
+static int
+_io_StringIO___init___impl(stringio *self, PyObject *value,
+                           PyObject *newline_obj);
+
+static int
+_io_StringIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"initial_value", "newline", NULL};
+    PyObject *value = NULL;
+    PyObject *newline_obj = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|OO:StringIO", _keywords,
+        &value, &newline_obj))
+        goto exit;
+    return_value = _io_StringIO___init___impl((stringio *)self, value, newline_obj);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_StringIO_readable__doc__,
+"readable($self, /)\n"
+"--\n"
+"\n"
+"Returns True if the IO object can be read.");
+
+#define _IO_STRINGIO_READABLE_METHODDEF    \
+    {"readable", (PyCFunction)_io_StringIO_readable, METH_NOARGS, _io_StringIO_readable__doc__},
+
+static PyObject *
+_io_StringIO_readable_impl(stringio *self);
+
+static PyObject *
+_io_StringIO_readable(stringio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_StringIO_readable_impl(self);
+}
+
+PyDoc_STRVAR(_io_StringIO_writable__doc__,
+"writable($self, /)\n"
+"--\n"
+"\n"
+"Returns True if the IO object can be written.");
+
+#define _IO_STRINGIO_WRITABLE_METHODDEF    \
+    {"writable", (PyCFunction)_io_StringIO_writable, METH_NOARGS, _io_StringIO_writable__doc__},
+
+static PyObject *
+_io_StringIO_writable_impl(stringio *self);
+
+static PyObject *
+_io_StringIO_writable(stringio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_StringIO_writable_impl(self);
+}
+
+PyDoc_STRVAR(_io_StringIO_seekable__doc__,
+"seekable($self, /)\n"
+"--\n"
+"\n"
+"Returns True if the IO object can be seeked.");
+
+#define _IO_STRINGIO_SEEKABLE_METHODDEF    \
+    {"seekable", (PyCFunction)_io_StringIO_seekable, METH_NOARGS, _io_StringIO_seekable__doc__},
+
+static PyObject *
+_io_StringIO_seekable_impl(stringio *self);
+
+static PyObject *
+_io_StringIO_seekable(stringio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_StringIO_seekable_impl(self);
+}
+/*[clinic end generated code: output=f3062096d357c652 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/textio.c.h b/Modules/_io/clinic/textio.c.h
new file mode 100644
index 0000000..62603bd
--- /dev/null
+++ b/Modules/_io/clinic/textio.c.h
@@ -0,0 +1,464 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_io_IncrementalNewlineDecoder___init____doc__,
+"IncrementalNewlineDecoder(decoder, translate, errors=\'strict\')\n"
+"--\n"
+"\n"
+"Codec used when reading a file in universal newlines mode.\n"
+"\n"
+"It wraps another incremental decoder, translating \\r\\n and \\r into \\n.\n"
+"It also records the types of newlines encountered.  When used with\n"
+"translate=False, it ensures that the newline sequence is returned in\n"
+"one piece. When used with decoder=None, it expects unicode strings as\n"
+"decode input and translates newlines without first invoking an external\n"
+"decoder.");
+
+static int
+_io_IncrementalNewlineDecoder___init___impl(nldecoder_object *self,
+                                            PyObject *decoder, int translate,
+                                            PyObject *errors);
+
+static int
+_io_IncrementalNewlineDecoder___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"decoder", "translate", "errors", NULL};
+    PyObject *decoder;
+    int translate;
+    PyObject *errors = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "Oi|O:IncrementalNewlineDecoder", _keywords,
+        &decoder, &translate, &errors))
+        goto exit;
+    return_value = _io_IncrementalNewlineDecoder___init___impl((nldecoder_object *)self, decoder, translate, errors);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_IncrementalNewlineDecoder_decode__doc__,
+"decode($self, /, input, final=False)\n"
+"--\n"
+"\n");
+
+#define _IO_INCREMENTALNEWLINEDECODER_DECODE_METHODDEF    \
+    {"decode", (PyCFunction)_io_IncrementalNewlineDecoder_decode, METH_VARARGS|METH_KEYWORDS, _io_IncrementalNewlineDecoder_decode__doc__},
+
+static PyObject *
+_io_IncrementalNewlineDecoder_decode_impl(nldecoder_object *self,
+                                          PyObject *input, int final);
+
+static PyObject *
+_io_IncrementalNewlineDecoder_decode(nldecoder_object *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"input", "final", NULL};
+    PyObject *input;
+    int final = 0;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|i:decode", _keywords,
+        &input, &final))
+        goto exit;
+    return_value = _io_IncrementalNewlineDecoder_decode_impl(self, input, final);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_IncrementalNewlineDecoder_getstate__doc__,
+"getstate($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_INCREMENTALNEWLINEDECODER_GETSTATE_METHODDEF    \
+    {"getstate", (PyCFunction)_io_IncrementalNewlineDecoder_getstate, METH_NOARGS, _io_IncrementalNewlineDecoder_getstate__doc__},
+
+static PyObject *
+_io_IncrementalNewlineDecoder_getstate_impl(nldecoder_object *self);
+
+static PyObject *
+_io_IncrementalNewlineDecoder_getstate(nldecoder_object *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_IncrementalNewlineDecoder_getstate_impl(self);
+}
+
+PyDoc_STRVAR(_io_IncrementalNewlineDecoder_setstate__doc__,
+"setstate($self, state, /)\n"
+"--\n"
+"\n");
+
+#define _IO_INCREMENTALNEWLINEDECODER_SETSTATE_METHODDEF    \
+    {"setstate", (PyCFunction)_io_IncrementalNewlineDecoder_setstate, METH_O, _io_IncrementalNewlineDecoder_setstate__doc__},
+
+PyDoc_STRVAR(_io_IncrementalNewlineDecoder_reset__doc__,
+"reset($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_INCREMENTALNEWLINEDECODER_RESET_METHODDEF    \
+    {"reset", (PyCFunction)_io_IncrementalNewlineDecoder_reset, METH_NOARGS, _io_IncrementalNewlineDecoder_reset__doc__},
+
+static PyObject *
+_io_IncrementalNewlineDecoder_reset_impl(nldecoder_object *self);
+
+static PyObject *
+_io_IncrementalNewlineDecoder_reset(nldecoder_object *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_IncrementalNewlineDecoder_reset_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper___init____doc__,
+"TextIOWrapper(buffer, encoding=None, errors=None, newline=None,\n"
+"              line_buffering=False, write_through=False)\n"
+"--\n"
+"\n"
+"Character and line based layer over a BufferedIOBase object, buffer.\n"
+"\n"
+"encoding gives the name of the encoding that the stream will be\n"
+"decoded or encoded with. It defaults to locale.getpreferredencoding(False).\n"
+"\n"
+"errors determines the strictness of encoding and decoding (see\n"
+"help(codecs.Codec) or the documentation for codecs.register) and\n"
+"defaults to \"strict\".\n"
+"\n"
+"newline controls how line endings are handled. It can be None, \'\',\n"
+"\'\\n\', \'\\r\', and \'\\r\\n\'.  It works as follows:\n"
+"\n"
+"* On input, if newline is None, universal newlines mode is\n"
+"  enabled. Lines in the input can end in \'\\n\', \'\\r\', or \'\\r\\n\', and\n"
+"  these are translated into \'\\n\' before being returned to the\n"
+"  caller. If it is \'\', universal newline mode is enabled, but line\n"
+"  endings are returned to the caller untranslated. If it has any of\n"
+"  the other legal values, input lines are only terminated by the given\n"
+"  string, and the line ending is returned to the caller untranslated.\n"
+"\n"
+"* On output, if newline is None, any \'\\n\' characters written are\n"
+"  translated to the system default line separator, os.linesep. If\n"
+"  newline is \'\' or \'\\n\', no translation takes place. If newline is any\n"
+"  of the other legal values, any \'\\n\' characters written are translated\n"
+"  to the given string.\n"
+"\n"
+"If line_buffering is True, a call to flush is implied when a call to\n"
+"write contains a newline character.");
+
+static int
+_io_TextIOWrapper___init___impl(textio *self, PyObject *buffer,
+                                const char *encoding, const char *errors,
+                                const char *newline, int line_buffering,
+                                int write_through);
+
+static int
+_io_TextIOWrapper___init__(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static char *_keywords[] = {"buffer", "encoding", "errors", "newline", "line_buffering", "write_through", NULL};
+    PyObject *buffer;
+    const char *encoding = NULL;
+    const char *errors = NULL;
+    const char *newline = NULL;
+    int line_buffering = 0;
+    int write_through = 0;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|zzzii:TextIOWrapper", _keywords,
+        &buffer, &encoding, &errors, &newline, &line_buffering, &write_through))
+        goto exit;
+    return_value = _io_TextIOWrapper___init___impl((textio *)self, buffer, encoding, errors, newline, line_buffering, write_through);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_detach__doc__,
+"detach($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_DETACH_METHODDEF    \
+    {"detach", (PyCFunction)_io_TextIOWrapper_detach, METH_NOARGS, _io_TextIOWrapper_detach__doc__},
+
+static PyObject *
+_io_TextIOWrapper_detach_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_detach(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_detach_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_write__doc__,
+"write($self, text, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_WRITE_METHODDEF    \
+    {"write", (PyCFunction)_io_TextIOWrapper_write, METH_O, _io_TextIOWrapper_write__doc__},
+
+static PyObject *
+_io_TextIOWrapper_write_impl(textio *self, PyObject *text);
+
+static PyObject *
+_io_TextIOWrapper_write(textio *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyObject *text;
+
+    if (!PyArg_Parse(arg,
+        "U:write",
+        &text))
+        goto exit;
+    return_value = _io_TextIOWrapper_write_impl(self, text);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_read__doc__,
+"read($self, size=-1, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_READ_METHODDEF    \
+    {"read", (PyCFunction)_io_TextIOWrapper_read, METH_VARARGS, _io_TextIOWrapper_read__doc__},
+
+static PyObject *
+_io_TextIOWrapper_read_impl(textio *self, Py_ssize_t n);
+
+static PyObject *
+_io_TextIOWrapper_read(textio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t n = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|O&:read",
+        _PyIO_ConvertSsize_t, &n))
+        goto exit;
+    return_value = _io_TextIOWrapper_read_impl(self, n);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_readline__doc__,
+"readline($self, size=-1, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_READLINE_METHODDEF    \
+    {"readline", (PyCFunction)_io_TextIOWrapper_readline, METH_VARARGS, _io_TextIOWrapper_readline__doc__},
+
+static PyObject *
+_io_TextIOWrapper_readline_impl(textio *self, Py_ssize_t size);
+
+static PyObject *
+_io_TextIOWrapper_readline(textio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t size = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|n:readline",
+        &size))
+        goto exit;
+    return_value = _io_TextIOWrapper_readline_impl(self, size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_seek__doc__,
+"seek($self, cookie, whence=0, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_SEEK_METHODDEF    \
+    {"seek", (PyCFunction)_io_TextIOWrapper_seek, METH_VARARGS, _io_TextIOWrapper_seek__doc__},
+
+static PyObject *
+_io_TextIOWrapper_seek_impl(textio *self, PyObject *cookieObj, int whence);
+
+static PyObject *
+_io_TextIOWrapper_seek(textio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *cookieObj;
+    int whence = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "O|i:seek",
+        &cookieObj, &whence))
+        goto exit;
+    return_value = _io_TextIOWrapper_seek_impl(self, cookieObj, whence);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_tell__doc__,
+"tell($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_TELL_METHODDEF    \
+    {"tell", (PyCFunction)_io_TextIOWrapper_tell, METH_NOARGS, _io_TextIOWrapper_tell__doc__},
+
+static PyObject *
+_io_TextIOWrapper_tell_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_tell(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_tell_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_truncate__doc__,
+"truncate($self, pos=None, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_TRUNCATE_METHODDEF    \
+    {"truncate", (PyCFunction)_io_TextIOWrapper_truncate, METH_VARARGS, _io_TextIOWrapper_truncate__doc__},
+
+static PyObject *
+_io_TextIOWrapper_truncate_impl(textio *self, PyObject *pos);
+
+static PyObject *
+_io_TextIOWrapper_truncate(textio *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *pos = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "truncate",
+        0, 1,
+        &pos))
+        goto exit;
+    return_value = _io_TextIOWrapper_truncate_impl(self, pos);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_fileno__doc__,
+"fileno($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_FILENO_METHODDEF    \
+    {"fileno", (PyCFunction)_io_TextIOWrapper_fileno, METH_NOARGS, _io_TextIOWrapper_fileno__doc__},
+
+static PyObject *
+_io_TextIOWrapper_fileno_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_fileno(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_fileno_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_seekable__doc__,
+"seekable($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_SEEKABLE_METHODDEF    \
+    {"seekable", (PyCFunction)_io_TextIOWrapper_seekable, METH_NOARGS, _io_TextIOWrapper_seekable__doc__},
+
+static PyObject *
+_io_TextIOWrapper_seekable_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_seekable(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_seekable_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_readable__doc__,
+"readable($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_READABLE_METHODDEF    \
+    {"readable", (PyCFunction)_io_TextIOWrapper_readable, METH_NOARGS, _io_TextIOWrapper_readable__doc__},
+
+static PyObject *
+_io_TextIOWrapper_readable_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_readable(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_readable_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_writable__doc__,
+"writable($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_WRITABLE_METHODDEF    \
+    {"writable", (PyCFunction)_io_TextIOWrapper_writable, METH_NOARGS, _io_TextIOWrapper_writable__doc__},
+
+static PyObject *
+_io_TextIOWrapper_writable_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_writable(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_writable_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_isatty__doc__,
+"isatty($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_ISATTY_METHODDEF    \
+    {"isatty", (PyCFunction)_io_TextIOWrapper_isatty, METH_NOARGS, _io_TextIOWrapper_isatty__doc__},
+
+static PyObject *
+_io_TextIOWrapper_isatty_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_isatty(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_isatty_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_flush__doc__,
+"flush($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_FLUSH_METHODDEF    \
+    {"flush", (PyCFunction)_io_TextIOWrapper_flush, METH_NOARGS, _io_TextIOWrapper_flush__doc__},
+
+static PyObject *
+_io_TextIOWrapper_flush_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_flush(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_flush_impl(self);
+}
+
+PyDoc_STRVAR(_io_TextIOWrapper_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n");
+
+#define _IO_TEXTIOWRAPPER_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_io_TextIOWrapper_close, METH_NOARGS, _io_TextIOWrapper_close__doc__},
+
+static PyObject *
+_io_TextIOWrapper_close_impl(textio *self);
+
+static PyObject *
+_io_TextIOWrapper_close(textio *self, PyObject *Py_UNUSED(ignored))
+{
+    return _io_TextIOWrapper_close_impl(self);
+}
+/*[clinic end generated code: output=a610bd3b694886c3 input=a9049054013a1b77]*/
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 74508a7..0894ca4 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -43,6 +43,19 @@
 #define SMALLCHUNK BUFSIZ
 #endif
 
+/*[clinic input]
+module _io
+class _io.FileIO "fileio *" "&PyFileIO_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=1c77708b41fda70c]*/
+
+/*[python input]
+class io_ssize_t_converter(CConverter):
+    type = 'Py_ssize_t'
+    converter = '_PyIO_ConvertSsize_t'
+[python start generated code]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=d0a811d3cbfd1b33]*/
+
 typedef struct {
     PyObject_HEAD
     int fd;
@@ -53,6 +66,7 @@ typedef struct {
     signed int seekable : 2; /* -1 means unknown */
     unsigned int closefd : 1;
     char finalizing;
+    unsigned int blksize;
     PyObject *weakreflist;
     PyObject *dict;
 } fileio;
@@ -106,9 +120,11 @@ internal_close(fileio *self)
         /* fd is accessible and someone else may have closed it */
         if (_PyVerify_fd(fd)) {
             Py_BEGIN_ALLOW_THREADS
+            _Py_BEGIN_SUPPRESS_IPH
             err = close(fd);
             if (err < 0)
                 save_errno = errno;
+            _Py_END_SUPPRESS_IPH
             Py_END_ALLOW_THREADS
         } else {
             save_errno = errno;
@@ -123,8 +139,18 @@ internal_close(fileio *self)
     return 0;
 }
 
+/*[clinic input]
+_io.FileIO.close
+
+Close the file.
+
+A closed file cannot be used for further I/O operations.  close() may be
+called more than once without error.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_close(fileio *self)
+_io_FileIO_close_impl(fileio *self)
+/*[clinic end generated code: output=7737a319ef3bad0b input=f35231760d54a522]*/
 {
     PyObject *res;
     PyObject *exc, *val, *tb;
@@ -168,6 +194,7 @@ fileio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
         self->writable = 0;
         self->appending = 0;
         self->seekable = -1;
+        self->blksize = 0;
         self->closefd = 1;
         self->weakreflist = NULL;
     }
@@ -175,57 +202,40 @@ fileio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return (PyObject *) self;
 }
 
-/* On Unix, open will succeed for directories.
-   In Python, there should be no file objects referring to
-   directories, so we need a check.  */
-
-static int
-dircheck(fileio* self, PyObject *nameobj)
-{
-#if defined(HAVE_FSTAT) && defined(S_ISDIR) && defined(EISDIR)
-    struct stat buf;
-    if (self->fd < 0)
-        return 0;
-    if (fstat(self->fd, &buf) == 0 && S_ISDIR(buf.st_mode)) {
-        errno = EISDIR;
-        PyErr_SetFromErrnoWithFilenameObject(PyExc_IOError, nameobj);
-        return -1;
-    }
-#endif
-    return 0;
-}
-
-static int
-check_fd(int fd)
-{
-#if defined(HAVE_FSTAT)
-    struct stat buf;
-    if (!_PyVerify_fd(fd) || (fstat(fd, &buf) < 0 && errno == EBADF)) {
-        PyObject *exc;
-        char *msg = strerror(EBADF);
-        exc = PyObject_CallFunction(PyExc_OSError, "(is)",
-                                    EBADF, msg);
-        PyErr_SetObject(PyExc_OSError, exc);
-        Py_XDECREF(exc);
-        return -1;
-    }
-#endif
-    return 0;
-}
-
 #ifdef O_CLOEXEC
 extern int _Py_open_cloexec_works;
 #endif
 
+/*[clinic input]
+_io.FileIO.__init__
+    file as nameobj: object
+    mode: str = "r"
+    closefd: int(c_default="1") = True
+    opener: object = None
+
+Open a file.
+
+The mode can be 'r' (default), 'w', 'x' or 'a' for reading,
+writing, exclusive creation or appending.  The file will be created if it
+doesn't exist when opened for writing or appending; it will be truncated
+when opened for writing.  A FileExistsError will be raised if it already
+exists when opened for creating. Opening a file for creating implies
+writing so this mode behaves in a similar way to 'w'.Add a '+' to the mode
+to allow simultaneous reading and writing. A custom opener can be used by
+passing a callable as *opener*. The underlying file descriptor for the file
+object is then obtained by calling opener with (*name*, *flags*).
+*opener* must return an open file descriptor (passing os.open as *opener*
+results in functionality similar to passing None).
+[clinic start generated code]*/
+
 static int
-fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
+_io_FileIO___init___impl(fileio *self, PyObject *nameobj, const char *mode,
+                         int closefd, PyObject *opener)
+/*[clinic end generated code: output=23413f68e6484bbd input=193164e293d6c097]*/
 {
-    fileio *self = (fileio *) oself;
-    static char *kwlist[] = {"file", "mode", "closefd", "opener", NULL};
     const char *name = NULL;
-    PyObject *nameobj, *stringobj = NULL, *opener = Py_None;
-    char *mode = "r";
-    char *s;
+    PyObject *stringobj = NULL;
+    const char *s;
 #ifdef MS_WINDOWS
     Py_UNICODE *widename = NULL;
 #endif
@@ -233,15 +243,16 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
     int rwa = 0, plus = 0;
     int flags = 0;
     int fd = -1;
-    int closefd = 1;
     int fd_is_own = 0;
 #ifdef O_CLOEXEC
     int *atomic_flag_works = &_Py_open_cloexec_works;
 #elif !defined(MS_WINDOWS)
     int *atomic_flag_works = NULL;
 #endif
+    struct _Py_stat_struct fdfstat;
+    int async_err = 0;
 
-    assert(PyFileIO_Check(oself));
+    assert(PyFileIO_Check(self));
     if (self->fd >= 0) {
         if (self->closefd) {
             /* Have to close the existing file first. */
@@ -252,11 +263,6 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
             self->fd = -1;
     }
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|siO:fileio",
-                                     kwlist, &nameobj, &mode, &closefd,
-                                     &opener))
-        return -1;
-
     if (PyFloat_Check(nameobj)) {
         PyErr_SetString(PyExc_TypeError,
                         "integer argument expected, got float");
@@ -280,7 +286,7 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
         if (widename == NULL)
             return -1;
         if (wcslen(widename) != length) {
-            PyErr_SetString(PyExc_TypeError, "embedded NUL character");
+            PyErr_SetString(PyExc_ValueError, "embedded null character");
             return -1;
         }
     } else
@@ -366,8 +372,6 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
 #endif
 
     if (fd >= 0) {
-        if (check_fd(fd))
-            goto error;
         self->fd = fd;
         self->closefd = closefd;
     }
@@ -381,15 +385,20 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
 
         errno = 0;
         if (opener == Py_None) {
-            Py_BEGIN_ALLOW_THREADS
+            do {
+                Py_BEGIN_ALLOW_THREADS
 #ifdef MS_WINDOWS
-            if (widename != NULL)
-                self->fd = _wopen(widename, flags, 0666);
-            else
+                if (widename != NULL)
+                    self->fd = _wopen(widename, flags, 0666);
+                else
 #endif
-                self->fd = open(name, flags, 0666);
+                    self->fd = open(name, flags, 0666);
+                Py_END_ALLOW_THREADS
+            } while (self->fd < 0 && errno == EINTR &&
+                     !(async_err = PyErr_CheckSignals()));
 
-            Py_END_ALLOW_THREADS
+            if (async_err)
+                goto error;
         }
         else {
             PyObject *fdobj;
@@ -427,8 +436,24 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
             goto error;
 #endif
     }
-    if (dircheck(self, nameobj) < 0)
+
+    self->blksize = DEFAULT_BUFFER_SIZE;
+    if (_Py_fstat(self->fd, &fdfstat) < 0)
+        goto error;
+#if defined(S_ISDIR) && defined(EISDIR)
+    /* On Unix, open will succeed for directories.
+       In Python, there should be no file objects referring to
+       directories, so we need a check.  */
+    if (S_ISDIR(fdfstat.st_mode)) {
+        errno = EISDIR;
+        PyErr_SetFromErrnoWithFilenameObject(PyExc_IOError, nameobj);
         goto error;
+    }
+#endif /* defined(S_ISDIR) */
+#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
+    if (fdfstat.st_blksize > 1)
+        self->blksize = fdfstat.st_blksize;
+#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
 
 #if defined(MS_WINDOWS) || defined(__CYGWIN__)
     /* don't translate newlines (\r\n <=> \n) */
@@ -506,32 +531,60 @@ err_mode(char *action)
     return NULL;
 }
 
+/*[clinic input]
+_io.FileIO.fileno
+
+Return the underlying file descriptor (an integer).
+[clinic start generated code]*/
+
 static PyObject *
-fileio_fileno(fileio *self)
+_io_FileIO_fileno_impl(fileio *self)
+/*[clinic end generated code: output=a9626ce5398ece90 input=0b9b2de67335ada3]*/
 {
     if (self->fd < 0)
         return err_closed();
     return PyLong_FromLong((long) self->fd);
 }
 
+/*[clinic input]
+_io.FileIO.readable
+
+True if file was opened in a read mode.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_readable(fileio *self)
+_io_FileIO_readable_impl(fileio *self)
+/*[clinic end generated code: output=640744a6150fe9ba input=a3fdfed6eea721c5]*/
 {
     if (self->fd < 0)
         return err_closed();
     return PyBool_FromLong((long) self->readable);
 }
 
+/*[clinic input]
+_io.FileIO.writable
+
+True if file was opened in a write mode.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_writable(fileio *self)
+_io_FileIO_writable_impl(fileio *self)
+/*[clinic end generated code: output=96cefc5446e89977 input=c204a808ca2e1748]*/
 {
     if (self->fd < 0)
         return err_closed();
     return PyBool_FromLong((long) self->writable);
 }
 
+/*[clinic input]
+_io.FileIO.seekable
+
+True if file supports random-access.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_seekable(fileio *self)
+_io_FileIO_seekable_impl(fileio *self)
+/*[clinic end generated code: output=47909ca0a42e9287 input=c8e5554d2fd63c7f]*/
 {
     if (self->fd < 0)
         return err_closed();
@@ -548,11 +601,19 @@ fileio_seekable(fileio *self)
     return PyBool_FromLong((long) self->seekable);
 }
 
+/*[clinic input]
+_io.FileIO.readinto
+    buffer: Py_buffer(types={'rwbuffer'})
+    /
+
+Same as RawIOBase.readinto().
+[clinic start generated code]*/
+
 static PyObject *
-fileio_readinto(fileio *self, PyObject *args)
+_io_FileIO_readinto_impl(fileio *self, Py_buffer *buffer)
+/*[clinic end generated code: output=b01a5a22c8415cb4 input=5edd8327498d468c]*/
 {
-    Py_buffer pbuf;
-    Py_ssize_t n, len;
+    Py_ssize_t n;
     int err;
 
     if (self->fd < 0)
@@ -560,48 +621,21 @@ fileio_readinto(fileio *self, PyObject *args)
     if (!self->readable)
         return err_mode("reading");
 
-    if (!PyArg_ParseTuple(args, "w*", &pbuf))
-        return NULL;
-
-    if (_PyVerify_fd(self->fd)) {
-        len = pbuf.len;
-        Py_BEGIN_ALLOW_THREADS
-        errno = 0;
-#ifdef MS_WINDOWS
-        if (len > INT_MAX)
-            len = INT_MAX;
-        n = read(self->fd, pbuf.buf, (int)len);
-#else
-        n = read(self->fd, pbuf.buf, len);
-#endif
-        Py_END_ALLOW_THREADS
-    } else
-        n = -1;
+    n = _Py_read(self->fd, buffer->buf, buffer->len);
+    /* copy errno because PyBuffer_Release() can indirectly modify it */
     err = errno;
-    PyBuffer_Release(&pbuf);
-    if (n < 0) {
-        if (err == EAGAIN)
+
+    if (n == -1) {
+        if (err == EAGAIN) {
+            PyErr_Clear();
             Py_RETURN_NONE;
-        errno = err;
-        PyErr_SetFromErrno(PyExc_IOError);
+        }
         return NULL;
     }
 
     return PyLong_FromSsize_t(n);
 }
 
-#ifndef HAVE_FSTAT
-
-static PyObject *
-fileio_readall(fileio *self)
-{
-    _Py_IDENTIFIER(readall);
-    return _PyObject_CallMethodId((PyObject*)&PyRawIOBase_Type,
-                                  &PyId_readall, "O", self);
-}
-
-#else
-
 static size_t
 new_buffersize(fileio *self, size_t currentsize)
 {
@@ -621,10 +655,20 @@ new_buffersize(fileio *self, size_t currentsize)
     return addend + currentsize;
 }
 
+/*[clinic input]
+_io.FileIO.readall
+
+Read all data from the file, returned as bytes.
+
+In non-blocking mode, returns as much as is immediately available,
+or None if no data is available.  Return an empty bytes object at EOF.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_readall(fileio *self)
+_io_FileIO_readall_impl(fileio *self)
+/*[clinic end generated code: output=faa0292b213b4022 input=dbdc137f55602834]*/
 {
-    struct stat st;
+    struct _Py_stat_struct status;
     Py_off_t pos, end;
     PyObject *result;
     Py_ssize_t bytes_read = 0;
@@ -636,13 +680,16 @@ fileio_readall(fileio *self)
     if (!_PyVerify_fd(self->fd))
         return PyErr_SetFromErrno(PyExc_IOError);
 
+    _Py_BEGIN_SUPPRESS_IPH
 #ifdef MS_WINDOWS
     pos = _lseeki64(self->fd, 0L, SEEK_CUR);
 #else
     pos = lseek(self->fd, 0L, SEEK_CUR);
 #endif
-    if (fstat(self->fd, &st) == 0)
-        end = st.st_size;
+    _Py_END_SUPPRESS_IPH
+
+    if (_Py_fstat_noraise(self->fd, &status) == 0)
+        end = status.st_size;
     else
         end = (Py_off_t)-1;
 
@@ -676,35 +723,22 @@ fileio_readall(fileio *self)
                     return NULL;
             }
         }
-        Py_BEGIN_ALLOW_THREADS
-        errno = 0;
-        n = bufsize - bytes_read;
-#ifdef MS_WINDOWS
-        if (n > INT_MAX)
-            n = INT_MAX;
-        n = read(self->fd, PyBytes_AS_STRING(result) + bytes_read, (int)n);
-#else
-        n = read(self->fd, PyBytes_AS_STRING(result) + bytes_read, n);
-#endif
-        Py_END_ALLOW_THREADS
+
+        n = _Py_read(self->fd,
+                     PyBytes_AS_STRING(result) + bytes_read,
+                     bufsize - bytes_read);
+
         if (n == 0)
             break;
-        if (n < 0) {
-            if (errno == EINTR) {
-                if (PyErr_CheckSignals()) {
-                    Py_DECREF(result);
-                    return NULL;
-                }
-                continue;
-            }
+        if (n == -1) {
             if (errno == EAGAIN) {
+                PyErr_Clear();
                 if (bytes_read > 0)
                     break;
                 Py_DECREF(result);
                 Py_RETURN_NONE;
             }
             Py_DECREF(result);
-            PyErr_SetFromErrno(PyExc_IOError);
             return NULL;
         }
         bytes_read += n;
@@ -718,14 +752,24 @@ fileio_readall(fileio *self)
     return result;
 }
 
-#endif /* HAVE_FSTAT */
+/*[clinic input]
+_io.FileIO.read
+    size: io_ssize_t = -1
+    /
+
+Read at most size bytes, returned as bytes.
+
+Only makes one system call, so less data may be returned than requested.
+In non-blocking mode, returns None if no data is available.
+Return an empty bytes object at EOF.
+[clinic start generated code]*/
 
 static PyObject *
-fileio_read(fileio *self, PyObject *args)
+_io_FileIO_read_impl(fileio *self, Py_ssize_t size)
+/*[clinic end generated code: output=42528d39dd0ca641 input=5c6caa5490c13a9b]*/
 {
     char *ptr;
     Py_ssize_t n;
-    Py_ssize_t size = -1;
     PyObject *bytes;
 
     if (self->fd < 0)
@@ -733,41 +777,29 @@ fileio_read(fileio *self, PyObject *args)
     if (!self->readable)
         return err_mode("reading");
 
-    if (!PyArg_ParseTuple(args, "|O&", &_PyIO_ConvertSsize_t, &size))
-        return NULL;
-
-    if (size < 0) {
-        return fileio_readall(self);
-    }
+    if (size < 0)
+        return _io_FileIO_readall_impl(self);
 
 #ifdef MS_WINDOWS
+    /* On Windows, the count parameter of read() is an int */
     if (size > INT_MAX)
         size = INT_MAX;
 #endif
+
     bytes = PyBytes_FromStringAndSize(NULL, size);
     if (bytes == NULL)
         return NULL;
     ptr = PyBytes_AS_STRING(bytes);
 
-    if (_PyVerify_fd(self->fd)) {
-        Py_BEGIN_ALLOW_THREADS
-        errno = 0;
-#ifdef MS_WINDOWS
-        n = read(self->fd, ptr, (int)size);
-#else
-        n = read(self->fd, ptr, size);
-#endif
-        Py_END_ALLOW_THREADS
-    } else
-        n = -1;
-
-    if (n < 0) {
+    n = _Py_read(self->fd, ptr, size);
+    if (n == -1) {
+        /* copy errno because Py_DECREF() can indirectly modify it */
         int err = errno;
         Py_DECREF(bytes);
-        if (err == EAGAIN)
+        if (err == EAGAIN) {
+            PyErr_Clear();
             Py_RETURN_NONE;
-        errno = err;
-        PyErr_SetFromErrno(PyExc_IOError);
+        }
         return NULL;
     }
 
@@ -781,11 +813,23 @@ fileio_read(fileio *self, PyObject *args)
     return (PyObject *) bytes;
 }
 
+/*[clinic input]
+_io.FileIO.write
+    b: Py_buffer
+    /
+
+Write bytes b to file, return number written.
+
+Only makes one system call, so not all of the data may be written.
+The number of bytes actually written is returned.  In non-blocking mode,
+returns None if the write would block.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_write(fileio *self, PyObject *args)
+_io_FileIO_write_impl(fileio *self, Py_buffer *b)
+/*[clinic end generated code: output=b4059db3d363a2f7 input=ffbd8834f447ac31]*/
 {
-    Py_buffer pbuf;
-    Py_ssize_t n, len;
+    Py_ssize_t n;
     int err;
 
     if (self->fd < 0)
@@ -793,39 +837,15 @@ fileio_write(fileio *self, PyObject *args)
     if (!self->writable)
         return err_mode("writing");
 
-    if (!PyArg_ParseTuple(args, "y*", &pbuf))
-        return NULL;
-
-    if (_PyVerify_fd(self->fd)) {
-        Py_BEGIN_ALLOW_THREADS
-        errno = 0;
-        len = pbuf.len;
-#ifdef MS_WINDOWS
-        if (len > 32767 && isatty(self->fd)) {
-            /* Issue #11395: the Windows console returns an error (12: not
-               enough space error) on writing into stdout if stdout mode is
-               binary and the length is greater than 66,000 bytes (or less,
-               depending on heap usage). */
-            len = 32767;
-        }
-        else if (len > INT_MAX)
-            len = INT_MAX;
-        n = write(self->fd, pbuf.buf, (int)len);
-#else
-        n = write(self->fd, pbuf.buf, len);
-#endif
-        Py_END_ALLOW_THREADS
-    } else
-        n = -1;
+    n = _Py_write(self->fd, b->buf, b->len);
+    /* copy errno because PyBuffer_Release() can indirectly modify it */
     err = errno;
 
-    PyBuffer_Release(&pbuf);
-
     if (n < 0) {
-        if (err == EAGAIN)
+        if (err == EAGAIN) {
+            PyErr_Clear();
             Py_RETURN_NONE;
-        errno = err;
-        PyErr_SetFromErrno(PyExc_IOError);
+        }
         return NULL;
     }
 
@@ -873,11 +893,13 @@ portable_lseek(int fd, PyObject *posobj, int whence)
 
     if (_PyVerify_fd(fd)) {
         Py_BEGIN_ALLOW_THREADS
+        _Py_BEGIN_SUPPRESS_IPH
 #ifdef MS_WINDOWS
         res = _lseeki64(fd, pos, whence);
 #else
         res = lseek(fd, pos, whence);
 #endif
+        _Py_END_SUPPRESS_IPH
         Py_END_ALLOW_THREADS
     } else
         res = -1;
@@ -891,23 +913,44 @@ portable_lseek(int fd, PyObject *posobj, int whence)
 #endif
 }
 
+/*[clinic input]
+_io.FileIO.seek
+    pos: object
+    whence: int = 0
+    /
+
+Move to new file position and return the file position.
+
+Argument offset is a byte count.  Optional argument whence defaults to
+SEEK_SET or 0 (offset from start of file, offset should be >= 0); other values
+are SEEK_CUR or 1 (move relative to current position, positive or negative),
+and SEEK_END or 2 (move relative to end of file, usually negative, although
+many platforms allow seeking beyond the end of a file).
+
+Note that not all file objects are seekable.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_seek(fileio *self, PyObject *args)
+_io_FileIO_seek_impl(fileio *self, PyObject *pos, int whence)
+/*[clinic end generated code: output=c976acdf054e6655 input=0439194b0774d454]*/
 {
-    PyObject *posobj;
-    int whence = 0;
-
     if (self->fd < 0)
         return err_closed();
 
-    if (!PyArg_ParseTuple(args, "O|i", &posobj, &whence))
-        return NULL;
-
-    return portable_lseek(self->fd, posobj, whence);
+    return portable_lseek(self->fd, pos, whence);
 }
 
+/*[clinic input]
+_io.FileIO.tell
+
+Current file position.
+
+Can raise OSError for non seekable files.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_tell(fileio *self, PyObject *args)
+_io_FileIO_tell_impl(fileio *self)
+/*[clinic end generated code: output=ffe2147058809d0b input=807e24ead4cec2f9]*/
 {
     if (self->fd < 0)
         return err_closed();
@@ -916,13 +959,22 @@ fileio_tell(fileio *self, PyObject *args)
 }
 
 #ifdef HAVE_FTRUNCATE
+/*[clinic input]
+_io.FileIO.truncate
+    size as posobj: object = NULL
+    /
+
+Truncate the file to at most size bytes and return the truncated size.
+
+Size defaults to the current file position, as returned by tell().
+The current file position is changed to the value of size.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_truncate(fileio *self, PyObject *args)
+_io_FileIO_truncate_impl(fileio *self, PyObject *posobj)
+/*[clinic end generated code: output=e49ca7a916c176fa input=9026af44686b7318]*/
 {
-    PyObject *posobj = NULL; /* the new size wanted by the user */
-#ifndef MS_WINDOWS
     Py_off_t pos;
-#endif
     int ret;
     int fd;
 
@@ -932,9 +984,6 @@ fileio_truncate(fileio *self, PyObject *args)
     if (!self->writable)
         return err_mode("writing");
 
-    if (!PyArg_ParseTuple(args, "|O", &posobj))
-        return NULL;
-
     if (posobj == Py_None || posobj == NULL) {
         /* Get the current position. */
         posobj = portable_lseek(fd, NULL, 1);
@@ -945,52 +994,6 @@ fileio_truncate(fileio *self, PyObject *args)
         Py_INCREF(posobj);
     }
 
-#ifdef MS_WINDOWS
-    /* MS _chsize doesn't work if newsize doesn't fit in 32 bits,
-       so don't even try using it. */
-    {
-        PyObject *oldposobj, *tempposobj;
-        HANDLE hFile;
-
-        /* we save the file pointer position */
-        oldposobj = portable_lseek(fd, NULL, 1);
-        if (oldposobj == NULL) {
-            Py_DECREF(posobj);
-            return NULL;
-        }
-
-        /* we then move to the truncation position */
-        tempposobj = portable_lseek(fd, posobj, 0);
-        if (tempposobj == NULL) {
-            Py_DECREF(oldposobj);
-            Py_DECREF(posobj);
-            return NULL;
-        }
-        Py_DECREF(tempposobj);
-
-        /* Truncate.  Note that this may grow the file! */
-        Py_BEGIN_ALLOW_THREADS
-        errno = 0;
-        hFile = (HANDLE)_get_osfhandle(fd);
-        ret = hFile == (HANDLE)-1; /* testing for INVALID_HANDLE value */
-        if (ret == 0) {
-            ret = SetEndOfFile(hFile) == 0;
-            if (ret)
-                errno = EACCES;
-        }
-        Py_END_ALLOW_THREADS
-
-        /* we restore the file pointer position in any case */
-        tempposobj = portable_lseek(fd, oldposobj, 0);
-        Py_DECREF(oldposobj);
-        if (tempposobj == NULL) {
-            Py_DECREF(posobj);
-            return NULL;
-        }
-        Py_DECREF(tempposobj);
-    }
-#else
-
 #if defined(HAVE_LARGEFILE_SUPPORT)
     pos = PyLong_AsLongLong(posobj);
 #else
@@ -1002,12 +1005,16 @@ fileio_truncate(fileio *self, PyObject *args)
     }
 
     Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
     errno = 0;
+#ifdef MS_WINDOWS
+    ret = _chsize_s(fd, pos);
+#else
     ret = ftruncate(fd, pos);
+#endif
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
 
-#endif /* !MS_WINDOWS */
-
     if (ret != 0) {
         Py_DECREF(posobj);
         PyErr_SetFromErrno(PyExc_IOError);
@@ -1057,26 +1064,40 @@ fileio_repr(fileio *self)
             PyErr_Clear();
         else
             return NULL;
-        res = PyUnicode_FromFormat("<_io.FileIO fd=%d mode='%s'>",
-                                   self->fd, mode_string(self));
+        res = PyUnicode_FromFormat(
+            "<_io.FileIO fd=%d mode='%s' closefd=%s>",
+            self->fd, mode_string(self), self->closefd ? "True" : "False");
     }
     else {
-        res = PyUnicode_FromFormat("<_io.FileIO name=%R mode='%s'>",
-                                   nameobj, mode_string(self));
+        res = PyUnicode_FromFormat(
+            "<_io.FileIO name=%R mode='%s' closefd=%s>",
+            nameobj, mode_string(self), self->closefd ? "True" : "False");
         Py_DECREF(nameobj);
     }
     return res;
 }
 
+/*[clinic input]
+_io.FileIO.isatty
+
+True if the file is connected to a TTY device.
+[clinic start generated code]*/
+
 static PyObject *
-fileio_isatty(fileio *self)
+_io_FileIO_isatty_impl(fileio *self)
+/*[clinic end generated code: output=932c39924e9a8070 input=cd94ca1f5e95e843]*/
 {
     long res;
 
     if (self->fd < 0)
         return err_closed();
     Py_BEGIN_ALLOW_THREADS
-    res = isatty(self->fd);
+    _Py_BEGIN_SUPPRESS_IPH
+    if (_PyVerify_fd(self->fd))
+        res = isatty(self->fd);
+    else
+        res = 0;
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
     return PyBool_FromLong(res);
 }
@@ -1089,110 +1110,22 @@ fileio_getstate(fileio *self)
     return NULL;
 }
 
-
-PyDoc_STRVAR(fileio_doc,
-"file(name: str[, mode: str][, opener: None]) -> file IO object\n"
-"\n"
-"Open a file.  The mode can be 'r' (default), 'w', 'x' or 'a' for reading,\n"
-"writing, exclusive creation or appending.  The file will be created if it\n"
-"doesn't exist when opened for writing or appending; it will be truncated\n"
-"when opened for writing.  A FileExistsError will be raised if it already\n"
-"exists when opened for creating. Opening a file for creating implies\n"
-"writing so this mode behaves in a similar way to 'w'.Add a '+' to the mode\n"
-"to allow simultaneous reading and writing. A custom opener can be used by\n"
-"passing a callable as *opener*. The underlying file descriptor for the file\n"
-"object is then obtained by calling opener with (*name*, *flags*).\n"
-"*opener* must return an open file descriptor (passing os.open as *opener*\n"
-"results in functionality similar to passing None).");
-
-PyDoc_STRVAR(read_doc,
-"read(size: int) -> bytes.  read at most size bytes, returned as bytes.\n"
-"\n"
-"Only makes one system call, so less data may be returned than requested\n"
-"In non-blocking mode, returns None if no data is available.\n"
-"Return an empty bytes object at EOF.");
-
-PyDoc_STRVAR(readall_doc,
-"readall() -> bytes.  read all data from the file, returned as bytes.\n"
-"\n"
-"In non-blocking mode, returns as much as is immediately available,\n"
-"or None if no data is available.  Return an empty bytes object at EOF.");
-
-PyDoc_STRVAR(write_doc,
-"write(b: bytes) -> int.  Write bytes b to file, return number written.\n"
-"\n"
-"Only makes one system call, so not all of the data may be written.\n"
-"The number of bytes actually written is returned.  In non-blocking mode,\n"
-"returns None if the write would block."
-);
-
-PyDoc_STRVAR(fileno_doc,
-"fileno() -> int.  Return the underlying file descriptor (an integer).");
-
-PyDoc_STRVAR(seek_doc,
-"seek(offset: int[, whence: int]) -> int.  Move to new file position and\n"
-"return the file position.\n"
-"\n"
-"Argument offset is a byte count.  Optional argument whence defaults to\n"
-"SEEK_SET or 0 (offset from start of file, offset should be >= 0); other values\n"
-"are SEEK_CUR or 1 (move relative to current position, positive or negative),\n"
-"and SEEK_END or 2 (move relative to end of file, usually negative, although\n"
-"many platforms allow seeking beyond the end of a file).\n"
-"\n"
-"Note that not all file objects are seekable.");
-
-#ifdef HAVE_FTRUNCATE
-PyDoc_STRVAR(truncate_doc,
-"truncate([size: int]) -> int.  Truncate the file to at most size bytes\n"
-"and return the truncated size.\n"
-"\n"
-"Size defaults to the current file position, as returned by tell().\n"
-"The current file position is changed to the value of size.");
-#endif
-
-PyDoc_STRVAR(tell_doc,
-"tell() -> int.  Current file position.\n"
-"\n"
-"Can raise OSError for non seekable files."
-);
-
-PyDoc_STRVAR(readinto_doc,
-"readinto() -> Same as RawIOBase.readinto().");
-
-PyDoc_STRVAR(close_doc,
-"close() -> None.  Close the file.\n"
-"\n"
-"A closed file cannot be used for further I/O operations.  close() may be\n"
-"called more than once without error.");
-
-PyDoc_STRVAR(isatty_doc,
-"isatty() -> bool.  True if the file is connected to a TTY device.");
-
-PyDoc_STRVAR(seekable_doc,
-"seekable() -> bool.  True if file supports random-access.");
-
-PyDoc_STRVAR(readable_doc,
-"readable() -> bool.  True if file was opened in a read mode.");
-
-PyDoc_STRVAR(writable_doc,
-"writable() -> bool.  True if file was opened in a write mode.");
+#include "clinic/fileio.c.h"
 
 static PyMethodDef fileio_methods[] = {
-    {"read",     (PyCFunction)fileio_read,         METH_VARARGS, read_doc},
-    {"readall",  (PyCFunction)fileio_readall,  METH_NOARGS,  readall_doc},
-    {"readinto", (PyCFunction)fileio_readinto, METH_VARARGS, readinto_doc},
-    {"write",    (PyCFunction)fileio_write,        METH_VARARGS, write_doc},
-    {"seek",     (PyCFunction)fileio_seek,         METH_VARARGS, seek_doc},
-    {"tell",     (PyCFunction)fileio_tell,         METH_VARARGS, tell_doc},
-#ifdef HAVE_FTRUNCATE
-    {"truncate", (PyCFunction)fileio_truncate, METH_VARARGS, truncate_doc},
-#endif
-    {"close",    (PyCFunction)fileio_close,        METH_NOARGS,  close_doc},
-    {"seekable", (PyCFunction)fileio_seekable, METH_NOARGS,      seekable_doc},
-    {"readable", (PyCFunction)fileio_readable, METH_NOARGS,      readable_doc},
-    {"writable", (PyCFunction)fileio_writable, METH_NOARGS,      writable_doc},
-    {"fileno",   (PyCFunction)fileio_fileno,   METH_NOARGS,      fileno_doc},
-    {"isatty",   (PyCFunction)fileio_isatty,   METH_NOARGS,      isatty_doc},
+    _IO_FILEIO_READ_METHODDEF
+    _IO_FILEIO_READALL_METHODDEF
+    _IO_FILEIO_READINTO_METHODDEF
+    _IO_FILEIO_WRITE_METHODDEF
+    _IO_FILEIO_SEEK_METHODDEF
+    _IO_FILEIO_TELL_METHODDEF
+    _IO_FILEIO_TRUNCATE_METHODDEF
+    _IO_FILEIO_CLOSE_METHODDEF
+    _IO_FILEIO_SEEKABLE_METHODDEF
+    _IO_FILEIO_READABLE_METHODDEF
+    _IO_FILEIO_WRITABLE_METHODDEF
+    _IO_FILEIO_FILENO_METHODDEF
+    _IO_FILEIO_ISATTY_METHODDEF
     {"_dealloc_warn", (PyCFunction)fileio_dealloc_warn, METH_O, NULL},
     {"__getstate__", (PyCFunction)fileio_getstate, METH_NOARGS, NULL},
     {NULL,           NULL}             /* sentinel */
@@ -1227,6 +1160,7 @@ static PyGetSetDef fileio_getsetlist[] = {
 };
 
 static PyMemberDef fileio_members[] = {
+    {"_blksize", T_UINT, offsetof(fileio, blksize), 0},
     {"_finalizing", T_BOOL, offsetof(fileio, finalizing), 0},
     {NULL}
 };
@@ -1253,7 +1187,7 @@ PyTypeObject PyFileIO_Type = {
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
         | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,       /* tp_flags */
-    fileio_doc,                                 /* tp_doc */
+    _io_FileIO___init____doc__,                 /* tp_doc */
     (traverseproc)fileio_traverse,              /* tp_traverse */
     (inquiry)fileio_clear,                      /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -1268,7 +1202,7 @@ PyTypeObject PyFileIO_Type = {
     0,                                          /* tp_descr_get */
     0,                                          /* tp_descr_set */
     offsetof(fileio, dict),         /* tp_dictoffset */
-    fileio_init,                                /* tp_init */
+    _io_FileIO___init__,                        /* tp_init */
     PyType_GenericAlloc,                        /* tp_alloc */
     fileio_new,                                 /* tp_new */
     PyObject_GC_Del,                            /* tp_free */
diff --git a/Modules/_io/iobase.c b/Modules/_io/iobase.c
index ef06b43..79d716a 100644
--- a/Modules/_io/iobase.c
+++ b/Modules/_io/iobase.c
@@ -13,6 +13,20 @@
 #include "structmember.h"
 #include "_iomodule.h"
 
+/*[clinic input]
+module _io
+class _io._IOBase "PyObject *" "&PyIOBase_Type"
+class _io._RawIOBase "PyObject *" "&PyRawIOBase_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=d29a4d076c2b211c]*/
+
+/*[python input]
+class io_ssize_t_converter(CConverter):
+    type = 'Py_ssize_t'
+    converter = '_PyIO_ConvertSsize_t'
+[python start generated code]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=d0a811d3cbfd1b33]*/
+
 /*
  * IOBase class, an abstract class
  */
@@ -96,11 +110,15 @@ iobase_seek(PyObject *self, PyObject *args)
     return iobase_unsupported("seek");
 }
 
-PyDoc_STRVAR(iobase_tell_doc,
-             "Return current stream position.");
+/*[clinic input]
+_io._IOBase.tell
+
+Return current stream position.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_tell(PyObject *self, PyObject *args)
+_io__IOBase_tell_impl(PyObject *self)
+/*[clinic end generated code: output=89a1c0807935abe2 input=04e615fec128801f]*/
 {
     _Py_IDENTIFIER(seek);
 
@@ -121,13 +139,17 @@ iobase_truncate(PyObject *self, PyObject *args)
 
 /* Flush and close methods */
 
-PyDoc_STRVAR(iobase_flush_doc,
-    "Flush write buffers, if applicable.\n"
-    "\n"
-    "This is not implemented for read-only and non-blocking streams.\n");
+/*[clinic input]
+_io._IOBase.flush
+
+Flush write buffers, if applicable.
+
+This is not implemented for read-only and non-blocking streams.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_flush(PyObject *self, PyObject *args)
+_io__IOBase_flush_impl(PyObject *self)
+/*[clinic end generated code: output=7cef4b4d54656a3b input=773be121abe270aa]*/
 {
     /* XXX Should this return the number of bytes written??? */
     if (IS_CLOSED(self)) {
@@ -137,11 +159,6 @@ iobase_flush(PyObject *self, PyObject *args)
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(iobase_close_doc,
-    "Flush and close the IO object.\n"
-    "\n"
-    "This method has no effect if the file is already closed.\n");
-
 static int
 iobase_closed(PyObject *self)
 {
@@ -180,8 +197,17 @@ _PyIOBase_check_closed(PyObject *self, PyObject *args)
    `__IOBase_closed` and call flush() by itself, but it is redundant with
    whatever behaviour a non-trivial derived class will implement. */
 
+/*[clinic input]
+_io._IOBase.close
+
+Flush and close the IO object.
+
+This method has no effect if the file is already closed.
+[clinic start generated code]*/
+
 static PyObject *
-iobase_close(PyObject *self, PyObject *args)
+_io__IOBase_close_impl(PyObject *self)
+/*[clinic end generated code: output=63c6a6f57d783d6d input=f4494d5c31dbc6b7]*/
 {
     PyObject *res;
 
@@ -304,14 +330,18 @@ iobase_dealloc(iobase *self)
 
 /* Inquiry methods */
 
-PyDoc_STRVAR(iobase_seekable_doc,
-    "Return whether object supports random access.\n"
-    "\n"
-    "If False, seek(), tell() and truncate() will raise UnsupportedOperation.\n"
-    "This method may need to do a test seek().");
+/*[clinic input]
+_io._IOBase.seekable
+
+Return whether object supports random access.
+
+If False, seek(), tell() and truncate() will raise UnsupportedOperation.
+This method may need to do a test seek().
+[clinic start generated code]*/
 
 static PyObject *
-iobase_seekable(PyObject *self, PyObject *args)
+_io__IOBase_seekable_impl(PyObject *self)
+/*[clinic end generated code: output=4c24c67f5f32a43d input=22676eebb81dcf1e]*/
 {
     Py_RETURN_FALSE;
 }
@@ -333,13 +363,17 @@ _PyIOBase_check_seekable(PyObject *self, PyObject *args)
     return res;
 }
 
-PyDoc_STRVAR(iobase_readable_doc,
-    "Return whether object was opened for reading.\n"
-    "\n"
-    "If False, read() will raise UnsupportedOperation.");
+/*[clinic input]
+_io._IOBase.readable
+
+Return whether object was opened for reading.
+
+If False, read() will raise UnsupportedOperation.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_readable(PyObject *self, PyObject *args)
+_io__IOBase_readable_impl(PyObject *self)
+/*[clinic end generated code: output=e48089250686388b input=12fc3d8f6be46434]*/
 {
     Py_RETURN_FALSE;
 }
@@ -362,13 +396,17 @@ _PyIOBase_check_readable(PyObject *self, PyObject *args)
     return res;
 }
 
-PyDoc_STRVAR(iobase_writable_doc,
-    "Return whether object was opened for writing.\n"
-    "\n"
-    "If False, write() will raise UnsupportedOperation.");
+/*[clinic input]
+_io._IOBase.writable
+
+Return whether object was opened for writing.
+
+If False, write() will raise UnsupportedOperation.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_writable(PyObject *self, PyObject *args)
+_io__IOBase_writable_impl(PyObject *self)
+/*[clinic end generated code: output=406001d0985be14f input=c17a0bb6a8dfc590]*/
 {
     Py_RETURN_FALSE;
 }
@@ -413,24 +451,32 @@ iobase_exit(PyObject *self, PyObject *args)
 
 /* XXX Should these be present even if unimplemented? */
 
-PyDoc_STRVAR(iobase_fileno_doc,
-    "Returns underlying file descriptor if one exists.\n"
-    "\n"
-    "An IOError is raised if the IO object does not use a file descriptor.\n");
+/*[clinic input]
+_io._IOBase.fileno
+
+Returns underlying file descriptor if one exists.
+
+An IOError is raised if the IO object does not use a file descriptor.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_fileno(PyObject *self, PyObject *args)
+_io__IOBase_fileno_impl(PyObject *self)
+/*[clinic end generated code: output=7cc0973f0f5f3b73 input=32773c5df4b7eede]*/
 {
     return iobase_unsupported("fileno");
 }
 
-PyDoc_STRVAR(iobase_isatty_doc,
-    "Return whether this is an 'interactive' stream.\n"
-    "\n"
-    "Return False if it can't be determined.\n");
+/*[clinic input]
+_io._IOBase.isatty
+
+Return whether this is an 'interactive' stream.
+
+Return False if it can't be determined.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_isatty(PyObject *self, PyObject *args)
+_io__IOBase_isatty_impl(PyObject *self)
+/*[clinic end generated code: output=60cab77cede41cdd input=9ef76530d368458b]*/
 {
     if (_PyIOBase_check_closed(self, Py_True) == NULL)
         return NULL;
@@ -439,30 +485,31 @@ iobase_isatty(PyObject *self, PyObject *args)
 
 /* Readline(s) and writelines */
 
-PyDoc_STRVAR(iobase_readline_doc,
-    "Read and return a line from the stream.\n"
-    "\n"
-    "If limit is specified, at most limit bytes will be read.\n"
-    "\n"
-    "The line terminator is always b'\\n' for binary files; for text\n"
-    "files, the newlines argument to open can be used to select the line\n"
-    "terminator(s) recognized.\n");
+/*[clinic input]
+_io._IOBase.readline
+    size as limit: io_ssize_t = -1
+    /
+
+Read and return a line from the stream.
+
+If size is specified, at most size bytes will be read.
+
+The line terminator is always b'\n' for binary files; for text
+files, the newlines argument to open can be used to select the line
+terminator(s) recognized.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_readline(PyObject *self, PyObject *args)
+_io__IOBase_readline_impl(PyObject *self, Py_ssize_t limit)
+/*[clinic end generated code: output=4479f79b58187840 input=df4cc8884f553cab]*/
 {
     /* For backwards compatibility, a (slowish) readline(). */
 
-    Py_ssize_t limit = -1;
     int has_peek = 0;
     PyObject *buffer, *result;
     Py_ssize_t old_size = -1;
     _Py_IDENTIFIER(peek);
 
-    if (!PyArg_ParseTuple(args, "|O&:readline", &_PyIO_ConvertSsize_t, &limit)) {
-        return NULL;
-    }
-
     if (_PyObject_HasAttrId(self, &PyId_peek))
         has_peek = 1;
 
@@ -585,23 +632,25 @@ iobase_iternext(PyObject *self)
     return line;
 }
 
-PyDoc_STRVAR(iobase_readlines_doc,
-    "Return a list of lines from the stream.\n"
-    "\n"
-    "hint can be specified to control the number of lines read: no more\n"
-    "lines will be read if the total size (in bytes/characters) of all\n"
-    "lines so far exceeds hint.");
+/*[clinic input]
+_io._IOBase.readlines
+    hint: io_ssize_t = -1
+    /
+
+Return a list of lines from the stream.
+
+hint can be specified to control the number of lines read: no more
+lines will be read if the total size (in bytes/characters) of all
+lines so far exceeds hint.
+[clinic start generated code]*/
 
 static PyObject *
-iobase_readlines(PyObject *self, PyObject *args)
+_io__IOBase_readlines_impl(PyObject *self, Py_ssize_t hint)
+/*[clinic end generated code: output=2f50421677fa3dea input=1961c4a95e96e661]*/
 {
-    Py_ssize_t hint = -1, length = 0;
+    Py_ssize_t length = 0;
     PyObject *result;
 
-    if (!PyArg_ParseTuple(args, "|O&:readlines", &_PyIO_ConvertSsize_t, &hint)) {
-        return NULL;
-    }
-
     result = PyList_New(0);
     if (result == NULL)
         return NULL;
@@ -646,14 +695,17 @@ iobase_readlines(PyObject *self, PyObject *args)
     return result;
 }
 
+/*[clinic input]
+_io._IOBase.writelines
+    lines: object
+    /
+[clinic start generated code]*/
+
 static PyObject *
-iobase_writelines(PyObject *self, PyObject *args)
+_io__IOBase_writelines(PyObject *self, PyObject *lines)
+/*[clinic end generated code: output=976eb0a9b60a6628 input=432e729a8450b3cb]*/
 {
-    PyObject *lines, *iter, *res;
-
-    if (!PyArg_ParseTuple(args, "O:writelines", &lines)) {
-        return NULL;
-    }
+    PyObject *iter, *res;
 
     if (_PyIOBase_check_closed(self, Py_True) == NULL)
         return NULL;
@@ -688,31 +740,33 @@ iobase_writelines(PyObject *self, PyObject *args)
     Py_RETURN_NONE;
 }
 
+#include "clinic/iobase.c.h"
+
 static PyMethodDef iobase_methods[] = {
     {"seek", iobase_seek, METH_VARARGS, iobase_seek_doc},
-    {"tell", iobase_tell, METH_NOARGS, iobase_tell_doc},
+    _IO__IOBASE_TELL_METHODDEF
     {"truncate", iobase_truncate, METH_VARARGS, iobase_truncate_doc},
-    {"flush", iobase_flush, METH_NOARGS, iobase_flush_doc},
-    {"close", iobase_close, METH_NOARGS, iobase_close_doc},
+    _IO__IOBASE_FLUSH_METHODDEF
+    _IO__IOBASE_CLOSE_METHODDEF
 
-    {"seekable", iobase_seekable, METH_NOARGS, iobase_seekable_doc},
-    {"readable", iobase_readable, METH_NOARGS, iobase_readable_doc},
-    {"writable", iobase_writable, METH_NOARGS, iobase_writable_doc},
+    _IO__IOBASE_SEEKABLE_METHODDEF
+    _IO__IOBASE_READABLE_METHODDEF
+    _IO__IOBASE_WRITABLE_METHODDEF
 
     {"_checkClosed",   _PyIOBase_check_closed, METH_NOARGS},
     {"_checkSeekable", _PyIOBase_check_seekable, METH_NOARGS},
     {"_checkReadable", _PyIOBase_check_readable, METH_NOARGS},
     {"_checkWritable", _PyIOBase_check_writable, METH_NOARGS},
 
-    {"fileno", iobase_fileno, METH_NOARGS, iobase_fileno_doc},
-    {"isatty", iobase_isatty, METH_NOARGS, iobase_isatty_doc},
+    _IO__IOBASE_FILENO_METHODDEF
+    _IO__IOBASE_ISATTY_METHODDEF
 
     {"__enter__", iobase_enter, METH_NOARGS},
     {"__exit__", iobase_exit, METH_VARARGS},
 
-    {"readline", iobase_readline, METH_VARARGS, iobase_readline_doc},
-    {"readlines", iobase_readlines, METH_VARARGS, iobase_readlines_doc},
-    {"writelines", iobase_writelines, METH_VARARGS},
+    _IO__IOBASE_READLINE_METHODDEF
+    _IO__IOBASE_READLINES_METHODDEF
+    _IO__IOBASE_WRITELINES_METHODDEF
 
     {NULL, NULL}
 };
@@ -795,16 +849,18 @@ PyDoc_STRVAR(rawiobase_doc,
  * either.)
 */
 
+/*[clinic input]
+_io._RawIOBase.read
+    size as n: Py_ssize_t = -1
+    /
+[clinic start generated code]*/
+
 static PyObject *
-rawiobase_read(PyObject *self, PyObject *args)
+_io__RawIOBase_read_impl(PyObject *self, Py_ssize_t n)
+/*[clinic end generated code: output=6cdeb731e3c9f13c input=b6d0dcf6417d1374]*/
 {
-    Py_ssize_t n = -1;
     PyObject *b, *res;
 
-    if (!PyArg_ParseTuple(args, "|n:read", &n)) {
-        return NULL;
-    }
-
     if (n < 0) {
         _Py_IDENTIFIER(readall);
 
@@ -836,11 +892,15 @@ rawiobase_read(PyObject *self, PyObject *args)
 }
 
 
-PyDoc_STRVAR(rawiobase_readall_doc,
-             "Read until EOF, using multiple read() call.");
+/*[clinic input]
+_io._RawIOBase.readall
+
+Read until EOF, using multiple read() call.
+[clinic start generated code]*/
 
 static PyObject *
-rawiobase_readall(PyObject *self, PyObject *args)
+_io__RawIOBase_readall_impl(PyObject *self)
+/*[clinic end generated code: output=1987b9ce929425a0 input=688874141213622a]*/
 {
     int r;
     PyObject *chunks = PyList_New(0);
@@ -893,8 +953,8 @@ rawiobase_readall(PyObject *self, PyObject *args)
 }
 
 static PyMethodDef rawiobase_methods[] = {
-    {"read", rawiobase_read, METH_VARARGS},
-    {"readall", rawiobase_readall, METH_NOARGS, rawiobase_readall_doc},
+    _IO__RAWIOBASE_READ_METHODDEF
+    _IO__RAWIOBASE_READALL_METHODDEF
     {NULL, NULL}
 };
 
diff --git a/Modules/_io/stringio.c b/Modules/_io/stringio.c
index 9d73884..8315ab8 100644
--- a/Modules/_io/stringio.c
+++ b/Modules/_io/stringio.c
@@ -11,6 +11,12 @@
 #define STATE_REALIZED 1
 #define STATE_ACCUMULATING 2
 
+/*[clinic input]
+module _io
+class _io.StringIO "stringio *" "&PyStringIO_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=c17bc0f42165cd7d]*/
+
 typedef struct {
     PyObject_HEAD
     Py_UCS4 *buf;
@@ -39,6 +45,8 @@ typedef struct {
     PyObject *weakreflist;
 } stringio;
 
+static int _io_StringIO___init__(PyObject *self, PyObject *args, PyObject *kwargs);
+
 #define CHECK_INITIALIZED(self) \
     if (self->ok <= 0) { \
         PyErr_SetString(PyExc_ValueError, \
@@ -58,12 +66,6 @@ typedef struct {
         return NULL; \
     }
 
-PyDoc_STRVAR(stringio_doc,
-    "Text I/O implementation using an in-memory buffer.\n"
-    "\n"
-    "The initial_value argument sets the value of object.  The newline\n"
-    "argument is like the one of TextIOWrapper's constructor.");
-
 
 /* Internal routine for changing the size, in terms of characters, of the
    buffer of StringIO objects.  The caller should ensure that the 'size'
@@ -264,11 +266,15 @@ fail:
     return -1;
 }
 
-PyDoc_STRVAR(stringio_getvalue_doc,
-    "Retrieve the entire contents of the object.");
+/*[clinic input]
+_io.StringIO.getvalue
+
+Retrieve the entire contents of the object.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_getvalue(stringio *self)
+_io_StringIO_getvalue_impl(stringio *self)
+/*[clinic end generated code: output=27b6a7bfeaebce01 input=d23cb81d6791cf88]*/
 {
     CHECK_INITIALIZED(self);
     CHECK_CLOSED(self);
@@ -278,33 +284,40 @@ stringio_getvalue(stringio *self)
                                      self->string_size);
 }
 
-PyDoc_STRVAR(stringio_tell_doc,
-    "Tell the current file position.");
+/*[clinic input]
+_io.StringIO.tell
+
+Tell the current file position.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_tell(stringio *self)
+_io_StringIO_tell_impl(stringio *self)
+/*[clinic end generated code: output=2e87ac67b116c77b input=ec866ebaff02f405]*/
 {
     CHECK_INITIALIZED(self);
     CHECK_CLOSED(self);
     return PyLong_FromSsize_t(self->pos);
 }
 
-PyDoc_STRVAR(stringio_read_doc,
-    "Read at most n characters, returned as a string.\n"
-    "\n"
-    "If the argument is negative or omitted, read until EOF\n"
-    "is reached. Return an empty string at EOF.\n");
+/*[clinic input]
+_io.StringIO.read
+    size as arg: object = None
+    /
+
+Read at most size characters, returned as a string.
+
+If the argument is negative or omitted, read until EOF
+is reached. Return an empty string at EOF.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_read(stringio *self, PyObject *args)
+_io_StringIO_read_impl(stringio *self, PyObject *arg)
+/*[clinic end generated code: output=3676864773746f68 input=9a319015f6f3965c]*/
 {
     Py_ssize_t size, n;
     Py_UCS4 *output;
-    PyObject *arg = Py_None;
 
     CHECK_INITIALIZED(self);
-    if (!PyArg_ParseTuple(args, "|O:read", &arg))
-        return NULL;
     CHECK_CLOSED(self);
 
     if (PyNumber_Check(arg)) {
@@ -373,20 +386,23 @@ _stringio_readline(stringio *self, Py_ssize_t limit)
     return PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND, start, len);
 }
 
-PyDoc_STRVAR(stringio_readline_doc,
-    "Read until newline or EOF.\n"
-    "\n"
-    "Returns an empty string if EOF is hit immediately.\n");
+/*[clinic input]
+_io.StringIO.readline
+    size as arg: object = None
+    /
+
+Read until newline or EOF.
+
+Returns an empty string if EOF is hit immediately.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_readline(stringio *self, PyObject *args)
+_io_StringIO_readline_impl(stringio *self, PyObject *arg)
+/*[clinic end generated code: output=99fdcac03a3dee81 input=e0e0ed4042040176]*/
 {
-    PyObject *arg = Py_None;
     Py_ssize_t limit = -1;
 
     CHECK_INITIALIZED(self);
-    if (!PyArg_ParseTuple(args, "|O:readline", &arg))
-        return NULL;
     CHECK_CLOSED(self);
     ENSURE_REALIZED(self);
 
@@ -441,22 +457,25 @@ stringio_iternext(stringio *self)
     return line;
 }
 
-PyDoc_STRVAR(stringio_truncate_doc,
-    "Truncate size to pos.\n"
-    "\n"
-    "The pos argument defaults to the current file position, as\n"
-    "returned by tell().  The current file position is unchanged.\n"
-    "Returns the new absolute position.\n");
+/*[clinic input]
+_io.StringIO.truncate
+    pos as arg: object = None
+    /
+
+Truncate size to pos.
+
+The pos argument defaults to the current file position, as
+returned by tell().  The current file position is unchanged.
+Returns the new absolute position.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_truncate(stringio *self, PyObject *args)
+_io_StringIO_truncate_impl(stringio *self, PyObject *arg)
+/*[clinic end generated code: output=6072439c2b01d306 input=748619a494ba53ad]*/
 {
     Py_ssize_t size;
-    PyObject *arg = Py_None;
 
     CHECK_INITIALIZED(self);
-    if (!PyArg_ParseTuple(args, "|O:truncate", &arg))
-        return NULL;
     CHECK_CLOSED(self);
 
     if (PyNumber_Check(arg)) {
@@ -490,49 +509,51 @@ stringio_truncate(stringio *self, PyObject *args)
     return PyLong_FromSsize_t(size);
 }
 
-PyDoc_STRVAR(stringio_seek_doc,
-    "Change stream position.\n"
-    "\n"
-    "Seek to character offset pos relative to position indicated by whence:\n"
-    "    0  Start of stream (the default).  pos should be >= 0;\n"
-    "    1  Current position - pos must be 0;\n"
-    "    2  End of stream - pos must be 0.\n"
-    "Returns the new absolute position.\n");
+/*[clinic input]
+_io.StringIO.seek
+    pos: Py_ssize_t
+    whence: int = 0
+    /
+
+Change stream position.
+
+Seek to character offset pos relative to position indicated by whence:
+    0  Start of stream (the default).  pos should be >= 0;
+    1  Current position - pos must be 0;
+    2  End of stream - pos must be 0.
+Returns the new absolute position.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_seek(stringio *self, PyObject *args)
+_io_StringIO_seek_impl(stringio *self, Py_ssize_t pos, int whence)
+/*[clinic end generated code: output=e9e0ac9a8ae71c25 input=e3855b24e7cae06a]*/
 {
-    Py_ssize_t pos;
-    int mode = 0;
-
     CHECK_INITIALIZED(self);
-    if (!PyArg_ParseTuple(args, "n|i:seek", &pos, &mode))
-        return NULL;
     CHECK_CLOSED(self);
 
-    if (mode != 0 && mode != 1 && mode != 2) {
+    if (whence != 0 && whence != 1 && whence != 2) {
         PyErr_Format(PyExc_ValueError,
-                     "Invalid whence (%i, should be 0, 1 or 2)", mode);
+                     "Invalid whence (%i, should be 0, 1 or 2)", whence);
         return NULL;
     }
-    else if (pos < 0 && mode == 0) {
+    else if (pos < 0 && whence == 0) {
         PyErr_Format(PyExc_ValueError,
                      "Negative seek position %zd", pos);
         return NULL;
     }
-    else if (mode != 0 && pos != 0) {
+    else if (whence != 0 && pos != 0) {
         PyErr_SetString(PyExc_IOError,
                         "Can't do nonzero cur-relative seeks");
         return NULL;
     }
 
-    /* mode 0: offset relative to beginning of the string.
-       mode 1: no change to current position.
-       mode 2: change position to end of file. */
-    if (mode == 1) {
+    /* whence = 0: offset relative to beginning of the string.
+       whence = 1: no change to current position.
+       whence = 2: change position to end of file. */
+    if (whence == 1) {
         pos = self->pos;
     }
-    else if (mode == 2) {
+    else if (whence == 2) {
         pos = self->string_size;
     }
 
@@ -541,14 +562,20 @@ stringio_seek(stringio *self, PyObject *args)
     return PyLong_FromSsize_t(self->pos);
 }
 
-PyDoc_STRVAR(stringio_write_doc,
-    "Write string to file.\n"
-    "\n"
-    "Returns the number of characters written, which is always equal to\n"
-    "the length of the string.\n");
+/*[clinic input]
+_io.StringIO.write
+    s as obj: object
+    /
+
+Write string to file.
+
+Returns the number of characters written, which is always equal to
+the length of the string.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_write(stringio *self, PyObject *obj)
+_io_StringIO_write(stringio *self, PyObject *obj)
+/*[clinic end generated code: output=0deaba91a15b94da input=cf96f3b16586e669]*/
 {
     Py_ssize_t size;
 
@@ -569,14 +596,20 @@ stringio_write(stringio *self, PyObject *obj)
     return PyLong_FromSsize_t(size);
 }
 
-PyDoc_STRVAR(stringio_close_doc,
-    "Close the IO object. Attempting any further operation after the\n"
-    "object is closed will raise a ValueError.\n"
-    "\n"
-    "This method has no effect if the file is already closed.\n");
+/*[clinic input]
+_io.StringIO.close
+
+Close the IO object.
+
+Attempting any further operation after the object is closed
+will raise a ValueError.
+
+This method has no effect if the file is already closed.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_close(stringio *self)
+_io_StringIO_close_impl(stringio *self)
+/*[clinic end generated code: output=04399355cbe518f1 input=cbc10b45f35d6d46]*/
 {
     self->closed = 1;
     /* Free up some memory */
@@ -644,19 +677,25 @@ stringio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return (PyObject *)self;
 }
 
+/*[clinic input]
+_io.StringIO.__init__
+    initial_value as value: object(c_default="NULL") = ''
+    newline as newline_obj: object(c_default="NULL") = '\n'
+
+Text I/O implementation using an in-memory buffer.
+
+The initial_value argument sets the value of object.  The newline
+argument is like the one of TextIOWrapper's constructor.
+[clinic start generated code]*/
+
 static int
-stringio_init(stringio *self, PyObject *args, PyObject *kwds)
+_io_StringIO___init___impl(stringio *self, PyObject *value,
+                           PyObject *newline_obj)
+/*[clinic end generated code: output=a421ea023b22ef4e input=cee2d9181b2577a3]*/
 {
-    char *kwlist[] = {"initial_value", "newline", NULL};
-    PyObject *value = NULL;
-    PyObject *newline_obj = NULL;
     char *newline = "\n";
     Py_ssize_t value_len;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OO:__init__", kwlist,
-                                     &value, &newline_obj))
-        return -1;
-
     /* Parse the newline argument. This used to be done with the 'z'
        specifier, however this allowed any object with the buffer interface to
        be converted. Thus we have to parse it manually since we only want to
@@ -761,33 +800,45 @@ stringio_init(stringio *self, PyObject *args, PyObject *kwds)
 
 /* Properties and pseudo-properties */
 
-PyDoc_STRVAR(stringio_readable_doc,
-"readable() -> bool. Returns True if the IO object can be read.");
+/*[clinic input]
+_io.StringIO.readable
 
-PyDoc_STRVAR(stringio_writable_doc,
-"writable() -> bool. Returns True if the IO object can be written.");
-
-PyDoc_STRVAR(stringio_seekable_doc,
-"seekable() -> bool. Returns True if the IO object can be seeked.");
+Returns True if the IO object can be read.
+[clinic start generated code]*/
 
 static PyObject *
-stringio_seekable(stringio *self, PyObject *args)
+_io_StringIO_readable_impl(stringio *self)
+/*[clinic end generated code: output=b19d44dd8b1ceb99 input=39ce068b224c21ad]*/
 {
     CHECK_INITIALIZED(self);
     CHECK_CLOSED(self);
     Py_RETURN_TRUE;
 }
 
+/*[clinic input]
+_io.StringIO.writable
+
+Returns True if the IO object can be written.
+[clinic start generated code]*/
+
 static PyObject *
-stringio_readable(stringio *self, PyObject *args)
+_io_StringIO_writable_impl(stringio *self)
+/*[clinic end generated code: output=13e4dd77187074ca input=7a691353aac38835]*/
 {
     CHECK_INITIALIZED(self);
     CHECK_CLOSED(self);
     Py_RETURN_TRUE;
 }
 
+/*[clinic input]
+_io.StringIO.seekable
+
+Returns True if the IO object can be seeked.
+[clinic start generated code]*/
+
 static PyObject *
-stringio_writable(stringio *self, PyObject *args)
+_io_StringIO_seekable_impl(stringio *self)
+/*[clinic end generated code: output=4d20b4641c756879 input=4c606d05b32952e6]*/
 {
     CHECK_INITIALIZED(self);
     CHECK_CLOSED(self);
@@ -809,7 +860,7 @@ stringio_writable(stringio *self, PyObject *args)
 static PyObject *
 stringio_getstate(stringio *self)
 {
-    PyObject *initvalue = stringio_getvalue(self);
+    PyObject *initvalue = _io_StringIO_getvalue_impl(self);
     PyObject *dict;
     PyObject *state;
 
@@ -857,7 +908,7 @@ stringio_setstate(stringio *self, PyObject *state)
     initarg = PyTuple_GetSlice(state, 0, 2);
     if (initarg == NULL)
         return NULL;
-    if (stringio_init(self, initarg, NULL) < 0) {
+    if (_io_StringIO___init__((PyObject *)self, initarg, NULL) < 0) {
         Py_DECREF(initarg);
         return NULL;
     }
@@ -959,19 +1010,21 @@ stringio_newlines(stringio *self, void *context)
     return PyObject_GetAttr(self->decoder, _PyIO_str_newlines);
 }
 
+#include "clinic/stringio.c.h"
+
 static struct PyMethodDef stringio_methods[] = {
-    {"close",    (PyCFunction)stringio_close,    METH_NOARGS,  stringio_close_doc},
-    {"getvalue", (PyCFunction)stringio_getvalue, METH_NOARGS,  stringio_getvalue_doc},
-    {"read",     (PyCFunction)stringio_read,     METH_VARARGS, stringio_read_doc},
-    {"readline", (PyCFunction)stringio_readline, METH_VARARGS, stringio_readline_doc},
-    {"tell",     (PyCFunction)stringio_tell,     METH_NOARGS,  stringio_tell_doc},
-    {"truncate", (PyCFunction)stringio_truncate, METH_VARARGS, stringio_truncate_doc},
-    {"seek",     (PyCFunction)stringio_seek,     METH_VARARGS, stringio_seek_doc},
-    {"write",    (PyCFunction)stringio_write,    METH_O,       stringio_write_doc},
-
-    {"seekable", (PyCFunction)stringio_seekable, METH_NOARGS, stringio_seekable_doc},
-    {"readable", (PyCFunction)stringio_readable, METH_NOARGS, stringio_readable_doc},
-    {"writable", (PyCFunction)stringio_writable, METH_NOARGS, stringio_writable_doc},
+    _IO_STRINGIO_CLOSE_METHODDEF
+    _IO_STRINGIO_GETVALUE_METHODDEF
+    _IO_STRINGIO_READ_METHODDEF
+    _IO_STRINGIO_READLINE_METHODDEF
+    _IO_STRINGIO_TELL_METHODDEF
+    _IO_STRINGIO_TRUNCATE_METHODDEF
+    _IO_STRINGIO_SEEK_METHODDEF
+    _IO_STRINGIO_WRITE_METHODDEF
+
+    _IO_STRINGIO_SEEKABLE_METHODDEF
+    _IO_STRINGIO_READABLE_METHODDEF
+    _IO_STRINGIO_WRITABLE_METHODDEF
 
     {"__getstate__", (PyCFunction)stringio_getstate, METH_NOARGS},
     {"__setstate__", (PyCFunction)stringio_setstate, METH_O},
@@ -1013,7 +1066,7 @@ PyTypeObject PyStringIO_Type = {
     0,                                         /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
                        | Py_TPFLAGS_HAVE_GC,   /*tp_flags*/
-    stringio_doc,                              /*tp_doc*/
+    _io_StringIO___init____doc__,              /*tp_doc*/
     (traverseproc)stringio_traverse,           /*tp_traverse*/
     (inquiry)stringio_clear,                   /*tp_clear*/
     0,                                         /*tp_richcompare*/
@@ -1028,7 +1081,7 @@ PyTypeObject PyStringIO_Type = {
     0,                                         /*tp_descr_get*/
     0,                                         /*tp_descr_set*/
     offsetof(stringio, dict),                  /*tp_dictoffset*/
-    (initproc)stringio_init,                   /*tp_init*/
+    _io_StringIO___init__,                     /*tp_init*/
     0,                                         /*tp_alloc*/
     stringio_new,                              /*tp_new*/
 };
diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index b419275..f61b281 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -11,6 +11,20 @@
 #include "structmember.h"
 #include "_iomodule.h"
 
+/*[clinic input]
+module _io
+class _io.IncrementalNewlineDecoder "nldecoder_object *" "&PyIncrementalNewlineDecoder_Type"
+class _io.TextIOWrapper "textio *" "&TextIOWrapper_TYpe"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=2097a4fc85670c26]*/
+
+/*[python input]
+class io_ssize_t_converter(CConverter):
+    type = 'Py_ssize_t'
+    converter = '_PyIO_ConvertSsize_t'
+[python start generated code]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=d0a811d3cbfd1b33]*/
+
 _Py_IDENTIFIER(close);
 _Py_IDENTIFIER(_dealloc_warn);
 _Py_IDENTIFIER(decode);
@@ -210,38 +224,37 @@ PyTypeObject PyTextIOBase_Type = {
 
 /* IncrementalNewlineDecoder */
 
-PyDoc_STRVAR(incrementalnewlinedecoder_doc,
-    "Codec used when reading a file in universal newlines mode.  It wraps\n"
-    "another incremental decoder, translating \\r\\n and \\r into \\n.  It also\n"
-    "records the types of newlines encountered.  When used with\n"
-    "translate=False, it ensures that the newline sequence is returned in\n"
-    "one piece. When used with decoder=None, it expects unicode strings as\n"
-    "decode input and translates newlines without first invoking an external\n"
-    "decoder.\n"
-    );
-
 typedef struct {
     PyObject_HEAD
     PyObject *decoder;
     PyObject *errors;
-    signed int pendingcr: 1;
-    signed int translate: 1;
+    unsigned int pendingcr: 1;
+    unsigned int translate: 1;
     unsigned int seennl: 3;
 } nldecoder_object;
 
-static int
-incrementalnewlinedecoder_init(nldecoder_object *self,
-                               PyObject *args, PyObject *kwds)
-{
-    PyObject *decoder;
-    int translate;
-    PyObject *errors = NULL;
-    char *kwlist[] = {"decoder", "translate", "errors", NULL};
+/*[clinic input]
+_io.IncrementalNewlineDecoder.__init__
+    decoder: object
+    translate: int
+    errors: object(c_default="NULL") = "strict"
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "Oi|O:IncrementalNewlineDecoder",
-                                     kwlist, &decoder, &translate, &errors))
-        return -1;
+Codec used when reading a file in universal newlines mode.
+
+It wraps another incremental decoder, translating \r\n and \r into \n.
+It also records the types of newlines encountered.  When used with
+translate=False, it ensures that the newline sequence is returned in
+one piece. When used with decoder=None, it expects unicode strings as
+decode input and translates newlines without first invoking an external
+decoder.
+[clinic start generated code]*/
 
+static int
+_io_IncrementalNewlineDecoder___init___impl(nldecoder_object *self,
+                                            PyObject *decoder, int translate,
+                                            PyObject *errors)
+/*[clinic end generated code: output=fbd04d443e764ec2 input=89db6b19c6b126bf]*/
+{
     self->decoder = decoder;
     Py_INCREF(decoder);
 
@@ -495,22 +508,27 @@ _PyIncrementalNewlineDecoder_decode(PyObject *myself,
     return NULL;
 }
 
+/*[clinic input]
+_io.IncrementalNewlineDecoder.decode
+    input: object
+    final: int(c_default="0") = False
+[clinic start generated code]*/
+
 static PyObject *
-incrementalnewlinedecoder_decode(nldecoder_object *self,
-                                 PyObject *args, PyObject *kwds)
+_io_IncrementalNewlineDecoder_decode_impl(nldecoder_object *self,
+                                          PyObject *input, int final)
+/*[clinic end generated code: output=0d486755bb37a66e input=d65677385bfd6827]*/
 {
-    char *kwlist[] = {"input", "final", NULL};
-    PyObject *input;
-    int final = 0;
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|i:IncrementalNewlineDecoder",
-                                     kwlist, &input, &final))
-        return NULL;
     return _PyIncrementalNewlineDecoder_decode((PyObject *) self, input, final);
 }
 
+/*[clinic input]
+_io.IncrementalNewlineDecoder.getstate
+[clinic start generated code]*/
+
 static PyObject *
-incrementalnewlinedecoder_getstate(nldecoder_object *self, PyObject *args)
+_io_IncrementalNewlineDecoder_getstate_impl(nldecoder_object *self)
+/*[clinic end generated code: output=f0d2c9c136f4e0d0 input=f8ff101825e32e7f]*/
 {
     PyObject *buffer;
     unsigned PY_LONG_LONG flag;
@@ -520,7 +538,7 @@ incrementalnewlinedecoder_getstate(nldecoder_object *self, PyObject *args)
            _PyIO_str_getstate, NULL);
         if (state == NULL)
             return NULL;
-        if (!PyArg_Parse(state, "(OK)", &buffer, &flag)) {
+        if (!PyArg_ParseTuple(state, "OK", &buffer, &flag)) {
             Py_DECREF(state);
             return NULL;
         }
@@ -537,16 +555,24 @@ incrementalnewlinedecoder_getstate(nldecoder_object *self, PyObject *args)
     return Py_BuildValue("NK", buffer, flag);
 }
 
+/*[clinic input]
+_io.IncrementalNewlineDecoder.setstate
+    state: object
+    /
+[clinic start generated code]*/
+
 static PyObject *
-incrementalnewlinedecoder_setstate(nldecoder_object *self, PyObject *state)
+_io_IncrementalNewlineDecoder_setstate(nldecoder_object *self,
+                                       PyObject *state)
+/*[clinic end generated code: output=c10c622508b576cb input=c53fb505a76dbbe2]*/
 {
     PyObject *buffer;
     unsigned PY_LONG_LONG flag;
 
-    if (!PyArg_Parse(state, "(OK)", &buffer, &flag))
+    if (!PyArg_ParseTuple(state, "OK", &buffer, &flag))
         return NULL;
 
-    self->pendingcr = (int) flag & 1;
+    self->pendingcr = (int) (flag & 1);
     flag >>= 1;
 
     if (self->decoder != Py_None)
@@ -556,8 +582,13 @@ incrementalnewlinedecoder_setstate(nldecoder_object *self, PyObject *state)
         Py_RETURN_NONE;
 }
 
+/*[clinic input]
+_io.IncrementalNewlineDecoder.reset
+[clinic start generated code]*/
+
 static PyObject *
-incrementalnewlinedecoder_reset(nldecoder_object *self, PyObject *args)
+_io_IncrementalNewlineDecoder_reset_impl(nldecoder_object *self)
+/*[clinic end generated code: output=32fa40c7462aa8ff input=728678ddaea776df]*/
 {
     self->seennl = 0;
     self->pendingcr = 0;
@@ -591,95 +622,8 @@ incrementalnewlinedecoder_newlines_get(nldecoder_object *self, void *context)
 
 }
 
-
-static PyMethodDef incrementalnewlinedecoder_methods[] = {
-    {"decode", (PyCFunction)incrementalnewlinedecoder_decode, METH_VARARGS|METH_KEYWORDS},
-    {"getstate", (PyCFunction)incrementalnewlinedecoder_getstate, METH_NOARGS},
-    {"setstate", (PyCFunction)incrementalnewlinedecoder_setstate, METH_O},
-    {"reset", (PyCFunction)incrementalnewlinedecoder_reset, METH_NOARGS},
-    {NULL}
-};
-
-static PyGetSetDef incrementalnewlinedecoder_getset[] = {
-    {"newlines", (getter)incrementalnewlinedecoder_newlines_get, NULL, NULL},
-    {NULL}
-};
-
-PyTypeObject PyIncrementalNewlineDecoder_Type = {
-    PyVarObject_HEAD_INIT(NULL, 0)
-    "_io.IncrementalNewlineDecoder", /*tp_name*/
-    sizeof(nldecoder_object), /*tp_basicsize*/
-    0,                          /*tp_itemsize*/
-    (destructor)incrementalnewlinedecoder_dealloc, /*tp_dealloc*/
-    0,                          /*tp_print*/
-    0,                          /*tp_getattr*/
-    0,                          /*tp_setattr*/
-    0,                          /*tp_compare */
-    0,                          /*tp_repr*/
-    0,                          /*tp_as_number*/
-    0,                          /*tp_as_sequence*/
-    0,                          /*tp_as_mapping*/
-    0,                          /*tp_hash */
-    0,                          /*tp_call*/
-    0,                          /*tp_str*/
-    0,                          /*tp_getattro*/
-    0,                          /*tp_setattro*/
-    0,                          /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /*tp_flags*/
-    incrementalnewlinedecoder_doc,          /* tp_doc */
-    0,                          /* tp_traverse */
-    0,                          /* tp_clear */
-    0,                          /* tp_richcompare */
-    0,                          /*tp_weaklistoffset*/
-    0,                          /* tp_iter */
-    0,                          /* tp_iternext */
-    incrementalnewlinedecoder_methods, /* tp_methods */
-    0,                          /* tp_members */
-    incrementalnewlinedecoder_getset, /* tp_getset */
-    0,                          /* tp_base */
-    0,                          /* tp_dict */
-    0,                          /* tp_descr_get */
-    0,                          /* tp_descr_set */
-    0,                          /* tp_dictoffset */
-    (initproc)incrementalnewlinedecoder_init, /* tp_init */
-    0,                          /* tp_alloc */
-    PyType_GenericNew,          /* tp_new */
-};
-
-
 /* TextIOWrapper */
 
-PyDoc_STRVAR(textiowrapper_doc,
-    "Character and line based layer over a BufferedIOBase object, buffer.\n"
-    "\n"
-    "encoding gives the name of the encoding that the stream will be\n"
-    "decoded or encoded with. It defaults to locale.getpreferredencoding(False).\n"
-    "\n"
-    "errors determines the strictness of encoding and decoding (see\n"
-    "help(codecs.Codec) or the documentation for codecs.register) and\n"
-    "defaults to \"strict\".\n"
-    "\n"
-    "newline controls how line endings are handled. It can be None, '',\n"
-    "'\\n', '\\r', and '\\r\\n'.  It works as follows:\n"
-    "\n"
-    "* On input, if newline is None, universal newlines mode is\n"
-    "  enabled. Lines in the input can end in '\\n', '\\r', or '\\r\\n', and\n"
-    "  these are translated into '\\n' before being returned to the\n"
-    "  caller. If it is '', universal newline mode is enabled, but line\n"
-    "  endings are returned to the caller untranslated. If it has any of\n"
-    "  the other legal values, input lines are only terminated by the given\n"
-    "  string, and the line ending is returned to the caller untranslated.\n"
-    "\n"
-    "* On output, if newline is None, any '\\n' characters written are\n"
-    "  translated to the system default line separator, os.linesep. If\n"
-    "  newline is '' or '\\n', no translation takes place. If newline is any\n"
-    "  of the other legal values, any '\\n' characters written are translated\n"
-    "  to the given string.\n"
-    "\n"
-    "If line_buffering is True, a call to flush is implied when a call to\n"
-    "write contains a newline character."
-    );
-
 typedef PyObject *
         (*encodefunc_t)(PyObject *, PyObject *);
 
@@ -742,7 +686,6 @@ typedef struct
     PyObject *dict;
 } textio;
 
-
 /* A couple of specialized cases in order to bypass the slow incremental
    encoding methods for the most popular encodings. */
 
@@ -843,28 +786,59 @@ static encodefuncentry encodefuncs[] = {
 };
 
 
+/*[clinic input]
+_io.TextIOWrapper.__init__
+    buffer: object
+    encoding: str(nullable=True) = NULL
+    errors: str(nullable=True) = NULL
+    newline: str(nullable=True) = NULL
+    line_buffering: int(c_default="0") = False
+    write_through: int(c_default="0") = False
+
+Character and line based layer over a BufferedIOBase object, buffer.
+
+encoding gives the name of the encoding that the stream will be
+decoded or encoded with. It defaults to locale.getpreferredencoding(False).
+
+errors determines the strictness of encoding and decoding (see
+help(codecs.Codec) or the documentation for codecs.register) and
+defaults to "strict".
+
+newline controls how line endings are handled. It can be None, '',
+'\n', '\r', and '\r\n'.  It works as follows:
+
+* On input, if newline is None, universal newlines mode is
+  enabled. Lines in the input can end in '\n', '\r', or '\r\n', and
+  these are translated into '\n' before being returned to the
+  caller. If it is '', universal newline mode is enabled, but line
+  endings are returned to the caller untranslated. If it has any of
+  the other legal values, input lines are only terminated by the given
+  string, and the line ending is returned to the caller untranslated.
+
+* On output, if newline is None, any '\n' characters written are
+  translated to the system default line separator, os.linesep. If
+  newline is '' or '\n', no translation takes place. If newline is any
+  of the other legal values, any '\n' characters written are translated
+  to the given string.
+
+If line_buffering is True, a call to flush is implied when a call to
+write contains a newline character.
+[clinic start generated code]*/
+
 static int
-textiowrapper_init(textio *self, PyObject *args, PyObject *kwds)
-{
-    char *kwlist[] = {"buffer", "encoding", "errors",
-                      "newline", "line_buffering", "write_through",
-                      NULL};
-    PyObject *buffer, *raw, *codec_info = NULL;
-    char *encoding = NULL;
-    char *errors = NULL;
-    char *newline = NULL;
-    int line_buffering = 0, write_through = 0;
+_io_TextIOWrapper___init___impl(textio *self, PyObject *buffer,
+                                const char *encoding, const char *errors,
+                                const char *newline, int line_buffering,
+                                int write_through)
+/*[clinic end generated code: output=56a83402ce2a8381 input=1f20decb8d54a4ec]*/
+{
+    PyObject *raw, *codec_info = NULL;
     _PyIO_State *state = NULL;
-
     PyObject *res;
     int r;
 
     self->ok = 0;
     self->detached = 0;
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|zzzii:fileio",
-                                     kwlist, &buffer, &encoding, &errors,
-                                     &newline, &line_buffering, &write_through))
-        return -1;
 
     if (newline && newline[0] != '\0'
         && !(newline[0] == '\n' && newline[1] == '\0')
@@ -1244,8 +1218,13 @@ textiowrapper_closed_get(textio *self, void *context);
     }
 
 
+/*[clinic input]
+_io.TextIOWrapper.detach
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_detach(textio *self)
+_io_TextIOWrapper_detach_impl(textio *self)
+/*[clinic end generated code: output=7ba3715cd032d5f2 input=e5a71fbda9e1d9f9]*/
 {
     PyObject *buffer, *res;
     CHECK_ATTACHED(self);
@@ -1290,25 +1269,26 @@ _textiowrapper_writeflush(textio *self)
     return 0;
 }
 
+/*[clinic input]
+_io.TextIOWrapper.write
+    text: unicode
+    /
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_write(textio *self, PyObject *args)
+_io_TextIOWrapper_write_impl(textio *self, PyObject *text)
+/*[clinic end generated code: output=d2deb0d50771fcec input=fdf19153584a0e44]*/
 {
     PyObject *ret;
-    PyObject *text; /* owned reference */
     PyObject *b;
     Py_ssize_t textlen;
     int haslf = 0;
     int needflush = 0, text_needflush = 0;
 
-    CHECK_ATTACHED(self);
-
-    if (!PyArg_ParseTuple(args, "U:write", &text)) {
-        return NULL;
-    }
-
     if (PyUnicode_READY(text) == -1)
         return NULL;
 
+    CHECK_ATTACHED(self);
     CHECK_CLOSED(self);
 
     if (self->encoder == NULL)
@@ -1441,6 +1421,7 @@ textiowrapper_read_chunk(textio *self, Py_ssize_t size_hint)
     PyObject *dec_buffer = NULL;
     PyObject *dec_flags = NULL;
     PyObject *input_chunk = NULL;
+    Py_buffer input_chunk_buf;
     PyObject *decoded_chars, *chunk_size;
     Py_ssize_t nbytes, nchars;
     int eof;
@@ -1468,7 +1449,16 @@ textiowrapper_read_chunk(textio *self, Py_ssize_t size_hint)
         /* Given this, we know there was a valid snapshot point
          * len(dec_buffer) bytes ago with decoder state (b'', dec_flags).
          */
-        if (PyArg_Parse(state, "(OO)", &dec_buffer, &dec_flags) < 0) {
+        if (PyArg_ParseTuple(state, "OO", &dec_buffer, &dec_flags) < 0) {
+            Py_DECREF(state);
+            return -1;
+        }
+
+        if (!PyBytes_Check(dec_buffer)) {
+            PyErr_Format(PyExc_TypeError,
+                         "decoder getstate() should have returned a bytes "
+                         "object, not '%.200s'",
+                         Py_TYPE(dec_buffer)->tp_name);
             Py_DECREF(state);
             return -1;
         }
@@ -1484,23 +1474,24 @@ textiowrapper_read_chunk(textio *self, Py_ssize_t size_hint)
     chunk_size = PyLong_FromSsize_t(Py_MAX(self->chunk_size, size_hint));
     if (chunk_size == NULL)
         goto fail;
+
     input_chunk = PyObject_CallMethodObjArgs(self->buffer,
         (self->has_read1 ? _PyIO_str_read1: _PyIO_str_read),
         chunk_size, NULL);
     Py_DECREF(chunk_size);
     if (input_chunk == NULL)
         goto fail;
-    if (!PyBytes_Check(input_chunk)) {
+
+    if (PyObject_GetBuffer(input_chunk, &input_chunk_buf, 0) != 0) {
         PyErr_Format(PyExc_TypeError,
-                     "underlying %s() should have returned a bytes object, "
+                     "underlying %s() should have returned a bytes-like object, "
                      "not '%.200s'", (self->has_read1 ? "read1": "read"),
                      Py_TYPE(input_chunk)->tp_name);
         goto fail;
     }
 
-    nbytes = PyBytes_Size(input_chunk);
+    nbytes = input_chunk_buf.len;
     eof = (nbytes == 0);
-
     if (Py_TYPE(self->decoder) == &PyIncrementalNewlineDecoder_Type) {
         decoded_chars = _PyIncrementalNewlineDecoder_decode(
             self->decoder, input_chunk, eof);
@@ -1509,6 +1500,7 @@ textiowrapper_read_chunk(textio *self, Py_ssize_t size_hint)
         decoded_chars = PyObject_CallMethodObjArgs(self->decoder,
             _PyIO_str_decode, input_chunk, eof ? Py_True : Py_False, NULL);
     }
+    PyBuffer_Release(&input_chunk_buf);
 
     if (check_decoded(decoded_chars) < 0)
         goto fail;
@@ -1525,18 +1517,12 @@ textiowrapper_read_chunk(textio *self, Py_ssize_t size_hint)
         /* At the snapshot point, len(dec_buffer) bytes before the read, the
          * next input to be decoded is dec_buffer + input_chunk.
          */
-        PyObject *next_input = PyNumber_Add(dec_buffer, input_chunk);
-        if (next_input == NULL)
-            goto fail;
-        if (!PyBytes_Check(next_input)) {
-            PyErr_Format(PyExc_TypeError,
-                         "decoder getstate() should have returned a bytes "
-                         "object, not '%.200s'",
-                         Py_TYPE(next_input)->tp_name);
-            Py_DECREF(next_input);
+        PyObject *next_input = dec_buffer;
+        PyBytes_Concat(&next_input, input_chunk);
+        if (next_input == NULL) {
+            dec_buffer = NULL; /* Reference lost to PyBytes_Concat */
             goto fail;
         }
-        Py_DECREF(dec_buffer);
         Py_CLEAR(self->snapshot);
         self->snapshot = Py_BuildValue("NN", dec_flags, next_input);
     }
@@ -1551,17 +1537,19 @@ textiowrapper_read_chunk(textio *self, Py_ssize_t size_hint)
     return -1;
 }
 
+/*[clinic input]
+_io.TextIOWrapper.read
+    size as n: io_ssize_t = -1
+    /
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_read(textio *self, PyObject *args)
+_io_TextIOWrapper_read_impl(textio *self, Py_ssize_t n)
+/*[clinic end generated code: output=7e651ce6cc6a25a6 input=8c09398424085cca]*/
 {
-    Py_ssize_t n = -1;
     PyObject *result = NULL, *chunks = NULL;
 
     CHECK_ATTACHED(self);
-
-    if (!PyArg_ParseTuple(args, "|O&:read", &_PyIO_ConvertSsize_t, &n))
-        return NULL;
-
     CHECK_CLOSED(self);
 
     if (self->decoder == NULL)
@@ -1725,7 +1713,7 @@ _PyIO_find_line_ending(
     else {
         /* Non-universal mode. */
         Py_ssize_t readnl_len = PyUnicode_GET_LENGTH(readnl);
-        char *nl = PyUnicode_DATA(readnl);
+        Py_UCS1 *nl = PyUnicode_1BYTE_DATA(readnl);
         /* Assume that readnl is an ASCII character. */
         assert(PyUnicode_KIND(readnl) == PyUnicode_1BYTE_KIND);
         if (readnl_len == 1) {
@@ -1927,16 +1915,18 @@ _textiowrapper_readline(textio *self, Py_ssize_t limit)
     return NULL;
 }
 
+/*[clinic input]
+_io.TextIOWrapper.readline
+    size: Py_ssize_t = -1
+    /
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_readline(textio *self, PyObject *args)
+_io_TextIOWrapper_readline_impl(textio *self, Py_ssize_t size)
+/*[clinic end generated code: output=344afa98804e8b25 input=56c7172483b36db6]*/
 {
-    Py_ssize_t limit = -1;
-
     CHECK_ATTACHED(self);
-    if (!PyArg_ParseTuple(args, "|n:readline", &limit)) {
-        return NULL;
-    }
-    return _textiowrapper_readline(self, limit);
+    return _textiowrapper_readline(self, size);
 }
 
 /* Seek and Tell */
@@ -2068,19 +2058,23 @@ _textiowrapper_encoder_setstate(textio *self, cookie_type *cookie)
         self, cookie->start_pos == 0 && cookie->dec_flags == 0);
 }
 
+/*[clinic input]
+_io.TextIOWrapper.seek
+    cookie as cookieObj: object
+    whence: int = 0
+    /
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_seek(textio *self, PyObject *args)
+_io_TextIOWrapper_seek_impl(textio *self, PyObject *cookieObj, int whence)
+/*[clinic end generated code: output=0a15679764e2d04d input=0458abeb3d7842be]*/
 {
-    PyObject *cookieObj, *posobj;
+    PyObject *posobj;
     cookie_type cookie;
-    int whence = 0;
     PyObject *res;
     int cmp;
 
     CHECK_ATTACHED(self);
-
-    if (!PyArg_ParseTuple(args, "O|i:seek", &cookieObj, &whence))
-        return NULL;
     CHECK_CLOSED(self);
 
     Py_INCREF(cookieObj);
@@ -2252,8 +2246,13 @@ textiowrapper_seek(textio *self, PyObject *args)
 
 }
 
+/*[clinic input]
+_io.TextIOWrapper.tell
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_tell(textio *self, PyObject *args)
+_io_TextIOWrapper_tell_impl(textio *self)
+/*[clinic end generated code: output=4f168c08bf34ad5f input=9a2caf88c24f9ddf]*/
 {
     PyObject *res;
     PyObject *posobj = NULL;
@@ -2306,7 +2305,7 @@ textiowrapper_tell(textio *self, PyObject *args)
         goto fail;
 
     /* Skip backward to the snapshot point (see _read_chunk). */
-    if (!PyArg_Parse(self->snapshot, "(iO)", &cookie.dec_flags, &next_input))
+    if (!PyArg_ParseTuple(self->snapshot, "iO", &cookie.dec_flags, &next_input))
         goto fail;
 
     assert (PyBytes_Check(next_input));
@@ -2332,7 +2331,7 @@ textiowrapper_tell(textio *self, PyObject *args)
             _PyIO_str_getstate, NULL); \
         if (_state == NULL) \
             goto fail; \
-        if (!PyArg_Parse(_state, "(y#i)", &dec_buffer, &dec_buffer_len, &dec_flags)) { \
+        if (!PyArg_ParseTuple(_state, "y#i", &dec_buffer, &dec_buffer_len, &dec_flags)) { \
             Py_DECREF(_state); \
             goto fail; \
         } \
@@ -2460,16 +2459,19 @@ fail:
     return NULL;
 }
 
+/*[clinic input]
+_io.TextIOWrapper.truncate
+    pos: object = None
+    /
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_truncate(textio *self, PyObject *args)
+_io_TextIOWrapper_truncate_impl(textio *self, PyObject *pos)
+/*[clinic end generated code: output=90ec2afb9bb7745f input=56ec8baa65aea377]*/
 {
-    PyObject *pos = Py_None;
     PyObject *res;
 
     CHECK_ATTACHED(self)
-    if (!PyArg_ParseTuple(args, "|O:truncate", &pos)) {
-        return NULL;
-    }
 
     res = PyObject_CallMethodObjArgs((PyObject *) self, _PyIO_str_flush, NULL);
     if (res == NULL)
@@ -2534,36 +2536,61 @@ error:
 
 /* Inquiries */
 
+/*[clinic input]
+_io.TextIOWrapper.fileno
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_fileno(textio *self, PyObject *args)
+_io_TextIOWrapper_fileno_impl(textio *self)
+/*[clinic end generated code: output=21490a4c3da13e6c input=c488ca83d0069f9b]*/
 {
     CHECK_ATTACHED(self);
     return _PyObject_CallMethodId(self->buffer, &PyId_fileno, NULL);
 }
 
+/*[clinic input]
+_io.TextIOWrapper.seekable
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_seekable(textio *self, PyObject *args)
+_io_TextIOWrapper_seekable_impl(textio *self)
+/*[clinic end generated code: output=ab223dbbcffc0f00 input=8b005ca06e1fca13]*/
 {
     CHECK_ATTACHED(self);
     return _PyObject_CallMethodId(self->buffer, &PyId_seekable, NULL);
 }
 
+/*[clinic input]
+_io.TextIOWrapper.readable
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_readable(textio *self, PyObject *args)
+_io_TextIOWrapper_readable_impl(textio *self)
+/*[clinic end generated code: output=72ff7ba289a8a91b input=0704ea7e01b0d3eb]*/
 {
     CHECK_ATTACHED(self);
     return _PyObject_CallMethodId(self->buffer, &PyId_readable, NULL);
 }
 
+/*[clinic input]
+_io.TextIOWrapper.writable
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_writable(textio *self, PyObject *args)
+_io_TextIOWrapper_writable_impl(textio *self)
+/*[clinic end generated code: output=a728c71790d03200 input=c41740bc9d8636e8]*/
 {
     CHECK_ATTACHED(self);
     return _PyObject_CallMethodId(self->buffer, &PyId_writable, NULL);
 }
 
+/*[clinic input]
+_io.TextIOWrapper.isatty
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_isatty(textio *self, PyObject *args)
+_io_TextIOWrapper_isatty_impl(textio *self)
+/*[clinic end generated code: output=12be1a35bace882e input=fb68d9f2c99bbfff]*/
 {
     CHECK_ATTACHED(self);
     return _PyObject_CallMethodId(self->buffer, &PyId_isatty, NULL);
@@ -2577,8 +2604,13 @@ textiowrapper_getstate(textio *self, PyObject *args)
     return NULL;
 }
 
+/*[clinic input]
+_io.TextIOWrapper.flush
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_flush(textio *self, PyObject *args)
+_io_TextIOWrapper_flush_impl(textio *self)
+/*[clinic end generated code: output=59de9165f9c2e4d2 input=928c60590694ab85]*/
 {
     CHECK_ATTACHED(self);
     CHECK_CLOSED(self);
@@ -2588,8 +2620,13 @@ textiowrapper_flush(textio *self, PyObject *args)
     return _PyObject_CallMethodId(self->buffer, &PyId_flush, NULL);
 }
 
+/*[clinic input]
+_io.TextIOWrapper.close
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_close(textio *self, PyObject *args)
+_io_TextIOWrapper_close_impl(textio *self)
+/*[clinic end generated code: output=056ccf8b4876e4f4 input=9c2114315eae1948]*/
 {
     PyObject *res;
     int r;
@@ -2733,24 +2770,81 @@ textiowrapper_chunk_size_set(textio *self, PyObject *arg, void *context)
     return 0;
 }
 
+#include "clinic/textio.c.h"
+
+static PyMethodDef incrementalnewlinedecoder_methods[] = {
+    _IO_INCREMENTALNEWLINEDECODER_DECODE_METHODDEF
+    _IO_INCREMENTALNEWLINEDECODER_GETSTATE_METHODDEF
+    _IO_INCREMENTALNEWLINEDECODER_SETSTATE_METHODDEF
+    _IO_INCREMENTALNEWLINEDECODER_RESET_METHODDEF
+    {NULL}
+};
+
+static PyGetSetDef incrementalnewlinedecoder_getset[] = {
+    {"newlines", (getter)incrementalnewlinedecoder_newlines_get, NULL, NULL},
+    {NULL}
+};
+
+PyTypeObject PyIncrementalNewlineDecoder_Type = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "_io.IncrementalNewlineDecoder", /*tp_name*/
+    sizeof(nldecoder_object), /*tp_basicsize*/
+    0,                          /*tp_itemsize*/
+    (destructor)incrementalnewlinedecoder_dealloc, /*tp_dealloc*/
+    0,                          /*tp_print*/
+    0,                          /*tp_getattr*/
+    0,                          /*tp_setattr*/
+    0,                          /*tp_compare */
+    0,                          /*tp_repr*/
+    0,                          /*tp_as_number*/
+    0,                          /*tp_as_sequence*/
+    0,                          /*tp_as_mapping*/
+    0,                          /*tp_hash */
+    0,                          /*tp_call*/
+    0,                          /*tp_str*/
+    0,                          /*tp_getattro*/
+    0,                          /*tp_setattro*/
+    0,                          /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /*tp_flags*/
+    _io_IncrementalNewlineDecoder___init____doc__, /* tp_doc */
+    0,                          /* tp_traverse */
+    0,                          /* tp_clear */
+    0,                          /* tp_richcompare */
+    0,                          /*tp_weaklistoffset*/
+    0,                          /* tp_iter */
+    0,                          /* tp_iternext */
+    incrementalnewlinedecoder_methods, /* tp_methods */
+    0,                          /* tp_members */
+    incrementalnewlinedecoder_getset, /* tp_getset */
+    0,                          /* tp_base */
+    0,                          /* tp_dict */
+    0,                          /* tp_descr_get */
+    0,                          /* tp_descr_set */
+    0,                          /* tp_dictoffset */
+    _io_IncrementalNewlineDecoder___init__, /* tp_init */
+    0,                          /* tp_alloc */
+    PyType_GenericNew,          /* tp_new */
+};
+
+
 static PyMethodDef textiowrapper_methods[] = {
-    {"detach", (PyCFunction)textiowrapper_detach, METH_NOARGS},
-    {"write", (PyCFunction)textiowrapper_write, METH_VARARGS},
-    {"read", (PyCFunction)textiowrapper_read, METH_VARARGS},
-    {"readline", (PyCFunction)textiowrapper_readline, METH_VARARGS},
-    {"flush", (PyCFunction)textiowrapper_flush, METH_NOARGS},
-    {"close", (PyCFunction)textiowrapper_close, METH_NOARGS},
-
-    {"fileno", (PyCFunction)textiowrapper_fileno, METH_NOARGS},
-    {"seekable", (PyCFunction)textiowrapper_seekable, METH_NOARGS},
-    {"readable", (PyCFunction)textiowrapper_readable, METH_NOARGS},
-    {"writable", (PyCFunction)textiowrapper_writable, METH_NOARGS},
-    {"isatty", (PyCFunction)textiowrapper_isatty, METH_NOARGS},
+    _IO_TEXTIOWRAPPER_DETACH_METHODDEF
+    _IO_TEXTIOWRAPPER_WRITE_METHODDEF
+    _IO_TEXTIOWRAPPER_READ_METHODDEF
+    _IO_TEXTIOWRAPPER_READLINE_METHODDEF
+    _IO_TEXTIOWRAPPER_FLUSH_METHODDEF
+    _IO_TEXTIOWRAPPER_CLOSE_METHODDEF
+
+    _IO_TEXTIOWRAPPER_FILENO_METHODDEF
+    _IO_TEXTIOWRAPPER_SEEKABLE_METHODDEF
+    _IO_TEXTIOWRAPPER_READABLE_METHODDEF
+    _IO_TEXTIOWRAPPER_WRITABLE_METHODDEF
+    _IO_TEXTIOWRAPPER_ISATTY_METHODDEF
     {"__getstate__", (PyCFunction)textiowrapper_getstate, METH_NOARGS},
 
-    {"seek", (PyCFunction)textiowrapper_seek, METH_VARARGS},
-    {"tell", (PyCFunction)textiowrapper_tell, METH_NOARGS},
-    {"truncate", (PyCFunction)textiowrapper_truncate, METH_VARARGS},
+    _IO_TEXTIOWRAPPER_SEEK_METHODDEF
+    _IO_TEXTIOWRAPPER_TELL_METHODDEF
+    _IO_TEXTIOWRAPPER_TRUNCATE_METHODDEF
     {NULL, NULL}
 };
 
@@ -2796,7 +2890,7 @@ PyTypeObject PyTextIOWrapper_Type = {
     0,                          /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE
         | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, /*tp_flags*/
-    textiowrapper_doc,          /* tp_doc */
+    _io_TextIOWrapper___init____doc__, /* tp_doc */
     (traverseproc)textiowrapper_traverse, /* tp_traverse */
     (inquiry)textiowrapper_clear, /* tp_clear */
     0,                          /* tp_richcompare */
@@ -2811,7 +2905,7 @@ PyTypeObject PyTextIOWrapper_Type = {
     0,                          /* tp_descr_get */
     0,                          /* tp_descr_set */
     offsetof(textio, dict), /*tp_dictoffset*/
-    (initproc)textiowrapper_init, /* tp_init */
+    _io_TextIOWrapper___init__, /* tp_init */
     0,                          /* tp_alloc */
     PyType_GenericNew,          /* tp_new */
     0,                          /* tp_free */
diff --git a/Modules/_json.c b/Modules/_json.c
index f523aab..3a60243 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -47,7 +47,7 @@ typedef struct _PyEncoderObject {
     PyObject *item_separator;
     PyObject *sort_keys;
     PyObject *skipkeys;
-    int fast_encode;
+    PyCFunction fast_encode;
     int allow_nan;
 } PyEncoderObject;
 
@@ -225,26 +225,116 @@ ascii_escape_unicode(PyObject *pystr)
     return rval;
 }
 
+static PyObject *
+escape_unicode(PyObject *pystr)
+{
+    /* Take a PyUnicode pystr and return a new escaped PyUnicode */
+    Py_ssize_t i;
+    Py_ssize_t input_chars;
+    Py_ssize_t output_size;
+    Py_ssize_t chars;
+    PyObject *rval;
+    void *input;
+    int kind;
+    Py_UCS4 maxchar;
+
+    if (PyUnicode_READY(pystr) == -1)
+        return NULL;
+
+    maxchar = PyUnicode_MAX_CHAR_VALUE(pystr);
+    input_chars = PyUnicode_GET_LENGTH(pystr);
+    input = PyUnicode_DATA(pystr);
+    kind = PyUnicode_KIND(pystr);
+
+    /* Compute the output size */
+    for (i = 0, output_size = 2; i < input_chars; i++) {
+        Py_UCS4 c = PyUnicode_READ(kind, input, i);
+        switch (c) {
+        case '\\': case '"': case '\b': case '\f':
+        case '\n': case '\r': case '\t':
+            output_size += 2;
+            break;
+        default:
+            if (c <= 0x1f)
+                output_size += 6;
+            else
+                output_size++;
+        }
+    }
+
+    rval = PyUnicode_New(output_size, maxchar);
+    if (rval == NULL)
+        return NULL;
+
+    kind = PyUnicode_KIND(rval);
+
+#define ENCODE_OUTPUT do { \
+        chars = 0; \
+        output[chars++] = '"'; \
+        for (i = 0; i < input_chars; i++) { \
+            Py_UCS4 c = PyUnicode_READ(kind, input, i); \
+            switch (c) { \
+            case '\\': output[chars++] = '\\'; output[chars++] = c; break; \
+            case '"':  output[chars++] = '\\'; output[chars++] = c; break; \
+            case '\b': output[chars++] = '\\'; output[chars++] = 'b'; break; \
+            case '\f': output[chars++] = '\\'; output[chars++] = 'f'; break; \
+            case '\n': output[chars++] = '\\'; output[chars++] = 'n'; break; \
+            case '\r': output[chars++] = '\\'; output[chars++] = 'r'; break; \
+            case '\t': output[chars++] = '\\'; output[chars++] = 't'; break; \
+            default: \
+                if (c <= 0x1f) { \
+                    output[chars++] = '\\'; \
+                    output[chars++] = 'u'; \
+                    output[chars++] = '0'; \
+                    output[chars++] = '0'; \
+                    output[chars++] = Py_hexdigits[(c >> 4) & 0xf]; \
+                    output[chars++] = Py_hexdigits[(c     ) & 0xf]; \
+                } else { \
+                    output[chars++] = c; \
+                } \
+            } \
+        } \
+        output[chars++] = '"'; \
+    } while (0)
+
+    if (kind == PyUnicode_1BYTE_KIND) {
+        Py_UCS1 *output = PyUnicode_1BYTE_DATA(rval);
+        ENCODE_OUTPUT;
+    } else if (kind == PyUnicode_2BYTE_KIND) {
+        Py_UCS2 *output = PyUnicode_2BYTE_DATA(rval);
+        ENCODE_OUTPUT;
+    } else {
+        Py_UCS4 *output = PyUnicode_4BYTE_DATA(rval);
+        assert(kind == PyUnicode_4BYTE_KIND);
+        ENCODE_OUTPUT;
+    }
+#undef ENCODE_OUTPUT
+
+#ifdef Py_DEBUG
+    assert(_PyUnicode_CheckConsistency(rval, 1));
+#endif
+    return rval;
+}
+
 static void
 raise_errmsg(char *msg, PyObject *s, Py_ssize_t end)
 {
-    /* Use the Python function json.decoder.errmsg to raise a nice
-    looking ValueError exception */
-    static PyObject *errmsg_fn = NULL;
-    PyObject *pymsg;
-    if (errmsg_fn == NULL) {
+    /* Use JSONDecodeError exception to raise a nice looking ValueError subclass */
+    static PyObject *JSONDecodeError = NULL;
+    PyObject *exc;
+    if (JSONDecodeError == NULL) {
         PyObject *decoder = PyImport_ImportModule("json.decoder");
         if (decoder == NULL)
             return;
-        errmsg_fn = PyObject_GetAttrString(decoder, "errmsg");
+        JSONDecodeError = PyObject_GetAttrString(decoder, "JSONDecodeError");
         Py_DECREF(decoder);
-        if (errmsg_fn == NULL)
+        if (JSONDecodeError == NULL)
             return;
     }
-    pymsg = PyObject_CallFunction(errmsg_fn, "(zOn)", msg, s, end);
-    if (pymsg) {
-        PyErr_SetObject(PyExc_ValueError, pymsg);
-        Py_DECREF(pymsg);
+    exc = PyObject_CallFunction(JSONDecodeError, "(zOn)", msg, s, end);
+    if (exc) {
+        PyErr_SetObject(JSONDecodeError, exc);
+        Py_DECREF(exc);
     }
 }
 
@@ -537,6 +627,31 @@ py_encode_basestring_ascii(PyObject* self UNUSED, PyObject *pystr)
     return rval;
 }
 
+
+PyDoc_STRVAR(pydoc_encode_basestring,
+    "encode_basestring(string) -> string\n"
+    "\n"
+    "Return a JSON representation of a Python string"
+);
+
+static PyObject *
+py_encode_basestring(PyObject* self UNUSED, PyObject *pystr)
+{
+    PyObject *rval;
+    /* Return a JSON representation of a Python string */
+    /* METH_O */
+    if (PyUnicode_Check(pystr)) {
+        rval = escape_unicode(pystr);
+    }
+    else {
+        PyErr_Format(PyExc_TypeError,
+                     "first argument must be a string, not %.80s",
+                     Py_TYPE(pystr)->tp_name);
+        return NULL;
+    }
+    return rval;
+}
+
 static void
 scanner_dealloc(PyObject *self)
 {
@@ -712,7 +827,7 @@ bail:
 
 static PyObject *
 _parse_array_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
-    /* Read a JSON array from PyString pystr.
+    /* Read a JSON array from PyUnicode pystr.
     idx is the index of the first character after the opening brace.
     *next_idx_ptr is a return-by-reference index to the first character after
         the closing brace.
@@ -784,8 +899,8 @@ bail:
 }
 
 static PyObject *
-_parse_constant(PyScannerObject *s, char *constant, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
-    /* Read a JSON constant from PyString pystr.
+_parse_constant(PyScannerObject *s, const char *constant, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
+    /* Read a JSON constant.
     constant is the constant string that was found
         ("NaN", "Infinity", "-Infinity").
     idx is the index of the first character of the constant
@@ -817,7 +932,7 @@ _match_number_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t start, Py_
         the number.
 
     Returns a new PyObject representation of that number:
-        PyInt, PyLong, or PyFloat.
+        PyLong, or PyFloat.
         May return other types if parse_int or parse_float are set
     */
     void *str;
@@ -1230,7 +1345,14 @@ encoder_init(PyObject *self, PyObject *args, PyObject *kwds)
     s->item_separator = item_separator;
     s->sort_keys = sort_keys;
     s->skipkeys = skipkeys;
-    s->fast_encode = (PyCFunction_Check(s->encoder) && PyCFunction_GetFunction(s->encoder) == (PyCFunction)py_encode_basestring_ascii);
+    s->fast_encode = NULL;
+    if (PyCFunction_Check(s->encoder)) {
+        PyCFunction f = PyCFunction_GetFunction(s->encoder);
+        if (f == (PyCFunction)py_encode_basestring_ascii ||
+                f == (PyCFunction)py_encode_basestring) {
+            s->fast_encode = f;
+        }
+    }
     s->allow_nan = PyObject_IsTrue(allow_nan);
 
     Py_INCREF(s->markers);
@@ -1379,7 +1501,7 @@ encoder_encode_string(PyEncoderObject *s, PyObject *obj)
 {
     /* Return the JSON representation of a string */
     if (s->fast_encode)
-        return py_encode_basestring_ascii(NULL, obj);
+        return s->fast_encode(NULL, obj);
     else
         return PyObject_CallFunctionObjArgs(s->encoder, obj, NULL);
 }
@@ -1847,6 +1969,10 @@ static PyMethodDef speedups_methods[] = {
         (PyCFunction)py_encode_basestring_ascii,
         METH_O,
         pydoc_encode_basestring_ascii},
+    {"encode_basestring",
+        (PyCFunction)py_encode_basestring,
+        METH_O,
+        pydoc_encode_basestring},
     {"scanstring",
         (PyCFunction)py_scanstring,
         METH_VARARGS,
@@ -1869,7 +1995,7 @@ static struct PyModuleDef jsonmodule = {
         NULL
 };
 
-PyObject*
+PyMODINIT_FUNC
 PyInit__json(void)
 {
     PyObject *m = PyModule_Create(&jsonmodule);
diff --git a/Modules/_lsprof.c b/Modules/_lsprof.c
index 0137d95..66e534f 100644
--- a/Modules/_lsprof.c
+++ b/Modules/_lsprof.c
@@ -202,6 +202,8 @@ normalizeUserObj(PyObject *obj)
         */
         PyObject *self = fn->m_self;
         PyObject *name = PyUnicode_FromString(fn->m_ml->ml_name);
+        PyObject *modname = fn->m_module;
+
         if (name != NULL) {
             PyObject *mo = _PyType_Lookup(Py_TYPE(self), name);
             Py_XINCREF(mo);
@@ -213,9 +215,14 @@ normalizeUserObj(PyObject *obj)
                     return res;
             }
         }
+        /* Otherwise, use __module__ */
         PyErr_Clear();
-        return PyUnicode_FromFormat("<built-in method %s>",
-                                    fn->m_ml->ml_name);
+        if (modname != NULL && PyUnicode_Check(modname))
+            return PyUnicode_FromFormat("<built-in method %S.%s>",
+                                        modname,  fn->m_ml->ml_name);
+        else
+            return PyUnicode_FromFormat("<built-in method %s>",
+                                        fn->m_ml->ml_name);
     }
 }
 
diff --git a/Modules/_lzmamodule.c b/Modules/_lzmamodule.c
index c43676a..7e4e2df 100644
--- a/Modules/_lzmamodule.c
+++ b/Modules/_lzmamodule.c
@@ -66,6 +66,9 @@ typedef struct {
     int check;
     char eof;
     PyObject *unused_data;
+    char needs_input;
+    uint8_t *input_buffer;
+    size_t input_buffer_size;
 #ifdef WITH_THREAD
     PyThread_type_lock lock;
 #endif
@@ -142,10 +145,15 @@ PyLzma_Free(void *opaque, void *ptr)
 #endif
 
 static int
-grow_buffer(PyObject **buf)
+grow_buffer(PyObject **buf, Py_ssize_t max_length)
 {
-    size_t size = PyBytes_GET_SIZE(*buf);
-    return _PyBytes_Resize(buf, size + (size >> 3) + 6);
+    Py_ssize_t size = PyBytes_GET_SIZE(*buf);
+    Py_ssize_t newsize = size + (size >> 3) + 6;
+
+    if (max_length > 0 && newsize > max_length)
+        newsize = max_length;
+
+    return _PyBytes_Resize(buf, newsize);
 }
 
 
@@ -470,12 +478,11 @@ error:
 
 
 /*[clinic input]
-output preset file
 module _lzma
 class _lzma.LZMACompressor "Compressor *" "&Compressor_type"
 class _lzma.LZMADecompressor "Decompressor *" "&Decompressor_type"
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=f17afc786525d6c2]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=2c14bbe05ff0c147]*/
 
 #include "clinic/_lzmamodule.c.h"
 
@@ -504,7 +511,7 @@ class lzma_filter_converter(CConverter):
 static PyObject *
 compress(Compressor *c, uint8_t *data, size_t len, lzma_action action)
 {
-    size_t data_size = 0;
+    Py_ssize_t data_size = 0;
     PyObject *result;
 
     result = PyBytes_FromStringAndSize(NULL, INITIAL_BUFFER_SIZE);
@@ -527,7 +534,7 @@ compress(Compressor *c, uint8_t *data, size_t len, lzma_action action)
             (action == LZMA_FINISH && lzret == LZMA_STREAM_END)) {
             break;
         } else if (c->lzs.avail_out == 0) {
-            if (grow_buffer(&result) == -1)
+            if (grow_buffer(&result, -1) == -1)
                 goto error;
             c->lzs.next_out = (uint8_t *)PyBytes_AS_STRING(result) + data_size;
             c->lzs.avail_out = PyBytes_GET_SIZE(result) - data_size;
@@ -888,25 +895,33 @@ static PyTypeObject Compressor_type = {
 
 /* LZMADecompressor class. */
 
-static PyObject *
-decompress(Decompressor *d, uint8_t *data, size_t len)
+/* Decompress data of length d->lzs.avail_in in d->lzs.next_in.  The output
+   buffer is allocated dynamically and returned.  At most max_length bytes are
+   returned, so some of the input may not be consumed. d->lzs.next_in and
+   d->lzs.avail_in are updated to reflect the consumed input. */
+static PyObject*
+decompress_buf(Decompressor *d, Py_ssize_t max_length)
 {
-    size_t data_size = 0;
+    Py_ssize_t data_size = 0;
     PyObject *result;
+    lzma_stream *lzs = &d->lzs;
 
-    result = PyBytes_FromStringAndSize(NULL, INITIAL_BUFFER_SIZE);
+    if (max_length < 0 || max_length >= INITIAL_BUFFER_SIZE)
+        result = PyBytes_FromStringAndSize(NULL, INITIAL_BUFFER_SIZE);
+    else
+        result = PyBytes_FromStringAndSize(NULL, max_length);
     if (result == NULL)
         return NULL;
-    d->lzs.next_in = data;
-    d->lzs.avail_in = len;
-    d->lzs.next_out = (uint8_t *)PyBytes_AS_STRING(result);
-    d->lzs.avail_out = PyBytes_GET_SIZE(result);
+
+    lzs->next_out = (uint8_t *)PyBytes_AS_STRING(result);
+    lzs->avail_out = PyBytes_GET_SIZE(result);
+
     for (;;) {
         lzma_ret lzret;
 
         Py_BEGIN_ALLOW_THREADS
-        lzret = lzma_code(&d->lzs, LZMA_RUN);
-        data_size = (char *)d->lzs.next_out - PyBytes_AS_STRING(result);
+        lzret = lzma_code(lzs, LZMA_RUN);
+        data_size = (char *)lzs->next_out - PyBytes_AS_STRING(result);
         Py_END_ALLOW_THREADS
         if (catch_lzma_error(lzret))
             goto error;
@@ -914,26 +929,131 @@ decompress(Decompressor *d, uint8_t *data, size_t len)
             d->check = lzma_get_check(&d->lzs);
         if (lzret == LZMA_STREAM_END) {
             d->eof = 1;
-            if (d->lzs.avail_in > 0) {
-                Py_CLEAR(d->unused_data);
-                d->unused_data = PyBytes_FromStringAndSize(
-                        (char *)d->lzs.next_in, d->lzs.avail_in);
-                if (d->unused_data == NULL)
-                    goto error;
-            }
             break;
-        } else if (d->lzs.avail_in == 0) {
+        } else if (lzs->avail_in == 0) {
             break;
-        } else if (d->lzs.avail_out == 0) {
-            if (grow_buffer(&result) == -1)
+        } else if (lzs->avail_out == 0) {
+            if (data_size == max_length)
+                break;
+            if (grow_buffer(&result, max_length) == -1)
                 goto error;
-            d->lzs.next_out = (uint8_t *)PyBytes_AS_STRING(result) + data_size;
-            d->lzs.avail_out = PyBytes_GET_SIZE(result) - data_size;
+            lzs->next_out = (uint8_t *)PyBytes_AS_STRING(result) + data_size;
+            lzs->avail_out = PyBytes_GET_SIZE(result) - data_size;
         }
     }
     if (data_size != PyBytes_GET_SIZE(result))
         if (_PyBytes_Resize(&result, data_size) == -1)
             goto error;
+
+    return result;
+
+error:
+    Py_XDECREF(result);
+    return NULL;
+}
+
+static PyObject *
+decompress(Decompressor *d, uint8_t *data, size_t len, Py_ssize_t max_length)
+{
+    char input_buffer_in_use;
+    PyObject *result;
+    lzma_stream *lzs = &d->lzs;
+
+    /* Prepend unconsumed input if necessary */
+    if (lzs->next_in != NULL) {
+        size_t avail_now, avail_total;
+
+        /* Number of bytes we can append to input buffer */
+        avail_now = (d->input_buffer + d->input_buffer_size)
+            - (lzs->next_in + lzs->avail_in);
+
+        /* Number of bytes we can append if we move existing
+           contents to beginning of buffer (overwriting
+           consumed input) */
+        avail_total = d->input_buffer_size - lzs->avail_in;
+
+        if (avail_total < len) {
+            size_t offset = lzs->next_in - d->input_buffer;
+            uint8_t *tmp;
+            size_t new_size = d->input_buffer_size + len - avail_now;
+
+            /* Assign to temporary variable first, so we don't
+               lose address of allocated buffer if realloc fails */
+            tmp = PyMem_Realloc(d->input_buffer, new_size);
+            if (tmp == NULL) {
+                PyErr_SetNone(PyExc_MemoryError);
+                return NULL;
+            }
+            d->input_buffer = tmp;
+            d->input_buffer_size = new_size;
+
+            lzs->next_in = d->input_buffer + offset;
+        }
+        else if (avail_now < len) {
+            memmove(d->input_buffer, lzs->next_in,
+                    lzs->avail_in);
+            lzs->next_in = d->input_buffer;
+        }
+        memcpy((void*)(lzs->next_in + lzs->avail_in), data, len);
+        lzs->avail_in += len;
+        input_buffer_in_use = 1;
+    }
+    else {
+        lzs->next_in = data;
+        lzs->avail_in = len;
+        input_buffer_in_use = 0;
+    }
+
+    result = decompress_buf(d, max_length);
+    if(result == NULL)
+        return NULL;
+
+    if (d->eof) {
+        d->needs_input = 0;
+        if (lzs->avail_in > 0) {
+            Py_CLEAR(d->unused_data);
+            d->unused_data = PyBytes_FromStringAndSize(
+                (char *)lzs->next_in, lzs->avail_in);
+            if (d->unused_data == NULL)
+                goto error;
+        }
+    }
+    else if (lzs->avail_in == 0) {
+        lzs->next_in = NULL;
+        d->needs_input = 1;
+    }
+    else {
+        d->needs_input = 0;
+
+        /* If we did not use the input buffer, we now have
+           to copy the tail from the caller's buffer into the
+           input buffer */
+        if (!input_buffer_in_use) {
+
+            /* Discard buffer if it's too small
+               (resizing it may needlessly copy the current contents) */
+            if (d->input_buffer != NULL &&
+                d->input_buffer_size < lzs->avail_in) {
+                PyMem_Free(d->input_buffer);
+                d->input_buffer = NULL;
+            }
+
+            /* Allocate if necessary */
+            if (d->input_buffer == NULL) {
+                d->input_buffer = PyMem_Malloc(lzs->avail_in);
+                if (d->input_buffer == NULL) {
+                    PyErr_SetNone(PyExc_MemoryError);
+                    goto error;
+                }
+                d->input_buffer_size = lzs->avail_in;
+            }
+
+            /* Copy tail */
+            memcpy(d->input_buffer, lzs->next_in, lzs->avail_in);
+            lzs->next_in = d->input_buffer;
+        }
+    }
+
     return result;
 
 error:
@@ -946,20 +1066,28 @@ _lzma.LZMADecompressor.decompress
 
     self: self(type="Decompressor *")
     data: Py_buffer
-    /
+    max_length: Py_ssize_t=-1
+
+Decompress *data*, returning uncompressed data as bytes.
 
-Provide data to the decompressor object.
+If *max_length* is nonnegative, returns at most *max_length* bytes of
+decompressed data. If this limit is reached and further output can be
+produced, *self.needs_input* will be set to ``False``. In this case, the next
+call to *decompress()* may provide *data* as b'' to obtain more of the output.
 
-Returns a chunk of decompressed data if possible, or b'' otherwise.
+If all of the input data was decompressed and returned (either because this
+was less than *max_length* bytes, or because *max_length* was negative),
+*self.needs_input* will be set to True.
 
-Attempting to decompress data after the end of stream is reached
-raises an EOFError.  Any data found after the end of the stream
-is ignored and saved in the unused_data attribute.
+Attempting to decompress data after the end of stream is reached raises an
+EOFError.  Any data found after the end of the stream is ignored and saved in
+the unused_data attribute.
 [clinic start generated code]*/
 
 static PyObject *
-_lzma_LZMADecompressor_decompress_impl(Decompressor *self, Py_buffer *data)
-/*[clinic end generated code: output=d86e78da7ff0ff21 input=50c4768b821bf0ef]*/
+_lzma_LZMADecompressor_decompress_impl(Decompressor *self, Py_buffer *data,
+                                       Py_ssize_t max_length)
+/*[clinic end generated code: output=ef4e20ec7122241d input=f2bb902cc1caf203]*/
 {
     PyObject *result = NULL;
 
@@ -967,7 +1095,7 @@ _lzma_LZMADecompressor_decompress_impl(Decompressor *self, Py_buffer *data)
     if (self->eof)
         PyErr_SetString(PyExc_EOFError, "Already at end of stream");
     else
-        result = decompress(self, data->buf, data->len);
+        result = decompress(self, data->buf, data->len, max_length);
     RELEASE_LOCK(self);
     return result;
 }
@@ -1023,8 +1151,9 @@ For one-shot decompression, use the decompress() function instead.
 [clinic start generated code]*/
 
 static int
-_lzma_LZMADecompressor___init___impl(Decompressor *self, int format, PyObject *memlimit, PyObject *filters)
-/*[clinic end generated code: output=9b119f6f2cc2d7a8 input=458ca6132ef29801]*/
+_lzma_LZMADecompressor___init___impl(Decompressor *self, int format,
+                                     PyObject *memlimit, PyObject *filters)
+/*[clinic end generated code: output=3e1821f8aa36564c input=458ca6132ef29801]*/
 {
     const uint32_t decoder_flags = LZMA_TELL_ANY_CHECK | LZMA_TELL_NO_CHECK;
     uint64_t memlimit_ = UINT64_MAX;
@@ -1055,6 +1184,7 @@ _lzma_LZMADecompressor___init___impl(Decompressor *self, int format, PyObject *m
     self->alloc.alloc = PyLzma_Malloc;
     self->alloc.free = PyLzma_Free;
     self->lzs.allocator = &self->alloc;
+    self->lzs.next_in = NULL;
 
 #ifdef WITH_THREAD
     self->lock = PyThread_allocate_lock();
@@ -1065,6 +1195,9 @@ _lzma_LZMADecompressor___init___impl(Decompressor *self, int format, PyObject *m
 #endif
 
     self->check = LZMA_CHECK_UNKNOWN;
+    self->needs_input = 1;
+    self->input_buffer = NULL;
+    self->input_buffer_size = 0;
     self->unused_data = PyBytes_FromStringAndSize(NULL, 0);
     if (self->unused_data == NULL)
         goto error;
@@ -1113,6 +1246,9 @@ error:
 static void
 Decompressor_dealloc(Decompressor *self)
 {
+    if(self->input_buffer != NULL)
+        PyMem_Free(self->input_buffer);
+
     lzma_end(&self->lzs);
     Py_CLEAR(self->unused_data);
 #ifdef WITH_THREAD
@@ -1134,6 +1270,9 @@ PyDoc_STRVAR(Decompressor_check_doc,
 PyDoc_STRVAR(Decompressor_eof_doc,
 "True if the end-of-stream marker has been reached.");
 
+PyDoc_STRVAR(Decompressor_needs_input_doc,
+"True if more input is needed before more decompressed data can be produced.");
+
 PyDoc_STRVAR(Decompressor_unused_data_doc,
 "Data found after the end of the compressed stream.");
 
@@ -1142,6 +1281,8 @@ static PyMemberDef Decompressor_members[] = {
      Decompressor_check_doc},
     {"eof", T_BOOL, offsetof(Decompressor, eof), READONLY,
      Decompressor_eof_doc},
+    {"needs_input", T_BOOL, offsetof(Decompressor, needs_input), READONLY,
+     Decompressor_needs_input_doc},
     {"unused_data", T_OBJECT_EX, offsetof(Decompressor, unused_data), READONLY,
      Decompressor_unused_data_doc},
     {NULL}
@@ -1260,8 +1401,9 @@ The result does not include the filter ID itself, only the options.
 [clinic start generated code]*/
 
 static PyObject *
-_lzma__decode_filter_properties_impl(PyModuleDef *module, lzma_vli filter_id, Py_buffer *encoded_props)
-/*[clinic end generated code: output=235f7f5345d48744 input=246410800782160c]*/
+_lzma__decode_filter_properties_impl(PyModuleDef *module, lzma_vli filter_id,
+                                     Py_buffer *encoded_props)
+/*[clinic end generated code: output=af248f570746668b input=246410800782160c]*/
 {
     lzma_filter filter;
     lzma_ret lzret;
diff --git a/Modules/_opcode.c b/Modules/_opcode.c
index fee388f..663bb21 100644
--- a/Modules/_opcode.c
+++ b/Modules/_opcode.c
@@ -6,6 +6,8 @@ module _opcode
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=117442e66eb376e6]*/
 
+#include "clinic/_opcode.c.h"
+
 /*[clinic input]
 
 _opcode.stack_effect -> int
@@ -17,42 +19,9 @@ _opcode.stack_effect -> int
 Compute the stack effect of the opcode.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(_opcode_stack_effect__doc__,
-"stack_effect($module, opcode, oparg=None, /)\n"
-"--\n"
-"\n"
-"Compute the stack effect of the opcode.");
-
-#define _OPCODE_STACK_EFFECT_METHODDEF    \
-    {"stack_effect", (PyCFunction)_opcode_stack_effect, METH_VARARGS, _opcode_stack_effect__doc__},
-
-static int
-_opcode_stack_effect_impl(PyModuleDef *module, int opcode, PyObject *oparg);
-
-static PyObject *
-_opcode_stack_effect(PyModuleDef *module, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    int opcode;
-    PyObject *oparg = Py_None;
-    int _return_value;
-
-    if (!PyArg_ParseTuple(args,
-        "i|O:stack_effect",
-        &opcode, &oparg))
-        goto exit;
-    _return_value = _opcode_stack_effect_impl(module, opcode, oparg);
-    if ((_return_value == -1) && PyErr_Occurred())
-        goto exit;
-    return_value = PyLong_FromLong((long)_return_value);
-
-exit:
-    return return_value;
-}
-
 static int
 _opcode_stack_effect_impl(PyModuleDef *module, int opcode, PyObject *oparg)
-/*[clinic end generated code: output=9e1133f8d587bc67 input=2d0a9ee53c0418f5]*/
+/*[clinic end generated code: output=1fcafd5596c6b050 input=2d0a9ee53c0418f5]*/
 {
     int effect;
     int oparg_int = 0;
diff --git a/Modules/_operator.c b/Modules/_operator.c
index adeb99e..8f524a6 100644
--- a/Modules/_operator.c
+++ b/Modules/_operator.c
@@ -69,6 +69,7 @@ spami(truth            , PyObject_IsTrue)
 spam2(op_add           , PyNumber_Add)
 spam2(op_sub           , PyNumber_Subtract)
 spam2(op_mul           , PyNumber_Multiply)
+spam2(op_matmul        , PyNumber_MatrixMultiply)
 spam2(op_floordiv      , PyNumber_FloorDivide)
 spam2(op_truediv       , PyNumber_TrueDivide)
 spam2(op_mod           , PyNumber_Remainder)
@@ -86,6 +87,7 @@ spam2(op_or_           , PyNumber_Or)
 spam2(op_iadd          , PyNumber_InPlaceAdd)
 spam2(op_isub          , PyNumber_InPlaceSubtract)
 spam2(op_imul          , PyNumber_InPlaceMultiply)
+spam2(op_imatmul       , PyNumber_InPlaceMatrixMultiply)
 spam2(op_ifloordiv     , PyNumber_InPlaceFloorDivide)
 spam2(op_itruediv      , PyNumber_InPlaceTrueDivide)
 spam2(op_imod          , PyNumber_InPlaceRemainder)
@@ -239,7 +241,7 @@ PyDoc_STRVAR(compare_digest__doc__,
 "Return 'a == b'.  This function uses an approach designed to prevent\n"
 "timing analysis, making it appropriate for cryptography.\n"
 "a and b must both be of the same type: either str (ASCII only),\n"
-"or any type that supports the buffer protocol (e.g. bytes).\n"
+"or any bytes-like object.\n"
 "\n"
 "Note: If a and b are of different lengths, or if an error occurs,\n"
 "a timing attack could theoretically reveal information about the\n"
@@ -343,6 +345,7 @@ spam2o(index, "index(a) -- Same as a.__index__()")
 spam2(add, "add(a, b) -- Same as a + b.")
 spam2(sub, "sub(a, b) -- Same as a - b.")
 spam2(mul, "mul(a, b) -- Same as a * b.")
+spam2(matmul, "matmul(a, b) -- Same as a @ b.")
 spam2(floordiv, "floordiv(a, b) -- Same as a // b.")
 spam2(truediv, "truediv(a, b) -- Same as a / b.")
 spam2(mod, "mod(a, b) -- Same as a % b.")
@@ -360,6 +363,7 @@ spam2(or_, "or_(a, b) -- Same as a | b.")
 spam2(iadd, "a = iadd(a, b) -- Same as a += b.")
 spam2(isub, "a = isub(a, b) -- Same as a -= b.")
 spam2(imul, "a = imul(a, b) -- Same as a *= b.")
+spam2(imatmul, "a = imatmul(a, b) -- Same as a @= b.")
 spam2(ifloordiv, "a = ifloordiv(a, b) -- Same as a //= b.")
 spam2(itruediv, "a = itruediv(a, b) -- Same as a /= b")
 spam2(imod, "a = imod(a, b) -- Same as a %= b.")
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 435cbae..78a4b15 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -5,14 +5,13 @@ PyDoc_STRVAR(pickle_module_doc,
 "Optimized C implementation for the Python pickle module.");
 
 /*[clinic input]
-output preset file
 module _pickle
 class _pickle.Pickler "PicklerObject *" "&Pickler_Type"
 class _pickle.PicklerMemoProxy "PicklerMemoProxyObject *" "&PicklerMemoProxyType"
 class _pickle.Unpickler "UnpicklerObject *" "&Unpickler_Type"
 class _pickle.UnpicklerMemoProxy "UnpicklerMemoProxyObject *" "&UnpicklerMemoProxyType"
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=11c45248a41dd3fc]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=4b3e113468a58e6c]*/
 
 /* Bump this when new opcodes are added to the pickle protocol. */
 enum {
@@ -152,6 +151,8 @@ typedef struct {
 
     /* codecs.encode, used for saving bytes in older protocols */
     PyObject *codecs_encode;
+    /* builtins.getattr, used for saving nested names with protocol < 4 */
+    PyObject *getattr;
 } PickleState;
 
 /* Forward declaration of the _pickle module definition. */
@@ -188,16 +189,26 @@ _Pickle_ClearState(PickleState *st)
     Py_CLEAR(st->name_mapping_3to2);
     Py_CLEAR(st->import_mapping_3to2);
     Py_CLEAR(st->codecs_encode);
+    Py_CLEAR(st->getattr);
 }
 
 /* Initialize the given pickle module state. */
 static int
 _Pickle_InitState(PickleState *st)
 {
+    PyObject *builtins;
     PyObject *copyreg = NULL;
     PyObject *compat_pickle = NULL;
     PyObject *codecs = NULL;
 
+    builtins = PyEval_GetBuiltins();
+    if (builtins == NULL)
+        goto error;
+    st->getattr = PyDict_GetItemString(builtins, "getattr");
+    if (st->getattr == NULL)
+        goto error;
+    Py_INCREF(st->getattr);
+
     copyreg = PyImport_ImportModule("copyreg");
     if (!copyreg)
         goto error;
@@ -420,22 +431,22 @@ static int
 Pdata_grow(Pdata *self)
 {
     PyObject **data = self->data;
-    Py_ssize_t allocated = self->allocated;
-    Py_ssize_t new_allocated;
+    size_t allocated = (size_t)self->allocated;
+    size_t new_allocated;
 
     new_allocated = (allocated >> 3) + 6;
     /* check for integer overflow */
-    if (new_allocated > PY_SSIZE_T_MAX - allocated)
+    if (new_allocated > (size_t)PY_SSIZE_T_MAX - allocated)
         goto nomemory;
     new_allocated += allocated;
-    if (new_allocated > (PY_SSIZE_T_MAX / sizeof(PyObject *)))
+    if (new_allocated > ((size_t)PY_SSIZE_T_MAX / sizeof(PyObject *)))
         goto nomemory;
     data = PyMem_REALLOC(data, new_allocated * sizeof(PyObject *));
     if (data == NULL)
         goto nomemory;
 
     self->data = data;
-    self->allocated = new_allocated;
+    self->allocated = (Py_ssize_t)new_allocated;
     return 0;
 
   nomemory:
@@ -850,7 +861,7 @@ _Pickler_ClearBuffer(PicklerObject *self)
 static void
 _write_size64(char *out, size_t value)
 {
-    int i;
+    size_t i;
 
     assert(sizeof(size_t) <= 8);
 
@@ -1456,7 +1467,7 @@ memo_get(PicklerObject *self, PyObject *key)
             pdata[1] = (unsigned char)(*value & 0xff);
             len = 2;
         }
-        else if (*value <= 0xffffffffL) {
+        else if ((size_t)*value <= 0xffffffffUL) {
             pdata[0] = LONG_BINGET;
             pdata[1] = (unsigned char)(*value & 0xff);
             pdata[2] = (unsigned char)((*value >> 8) & 0xff);
@@ -1513,7 +1524,7 @@ memo_put(PicklerObject *self, PyObject *obj)
             pdata[1] = (unsigned char)idx;
             len = 2;
         }
-        else if (idx <= 0xffffffffL) {
+        else if ((size_t)idx <= 0xffffffffUL) {
             pdata[0] = LONG_BINPUT;
             pdata[1] = (unsigned char)(idx & 0xff);
             pdata[2] = (unsigned char)((idx >> 8) & 0xff);
@@ -1535,66 +1546,101 @@ memo_put(PicklerObject *self, PyObject *obj)
 }
 
 static PyObject *
-getattribute(PyObject *obj, PyObject *name, int allow_qualname) {
-    PyObject *dotted_path;
-    Py_ssize_t i;
+get_dotted_path(PyObject *obj, PyObject *name) {
     _Py_static_string(PyId_dot, ".");
     _Py_static_string(PyId_locals, "<locals>");
+    PyObject *dotted_path;
+    Py_ssize_t i, n;
 
     dotted_path = PyUnicode_Split(name, _PyUnicode_FromId(&PyId_dot), -1);
-    if (dotted_path == NULL) {
-        return NULL;
-    }
-    assert(Py_SIZE(dotted_path) >= 1);
-    if (!allow_qualname && Py_SIZE(dotted_path) > 1) {
-        PyErr_Format(PyExc_AttributeError,
-                     "Can't get qualified attribute %R on %R;"
-                     "use protocols >= 4 to enable support",
-                     name, obj);
-        Py_DECREF(dotted_path);
+    if (dotted_path == NULL)
         return NULL;
-    }
-    Py_INCREF(obj);
-    for (i = 0; i < Py_SIZE(dotted_path); i++) {
+    n = PyList_GET_SIZE(dotted_path);
+    assert(n >= 1);
+    for (i = 0; i < n; i++) {
         PyObject *subpath = PyList_GET_ITEM(dotted_path, i);
-        PyObject *tmp;
         PyObject *result = PyUnicode_RichCompare(
             subpath, _PyUnicode_FromId(&PyId_locals), Py_EQ);
         int is_equal = (result == Py_True);
         assert(PyBool_Check(result));
         Py_DECREF(result);
         if (is_equal) {
-            PyErr_Format(PyExc_AttributeError,
-                         "Can't get local attribute %R on %R", name, obj);
+            if (obj == NULL)
+                PyErr_Format(PyExc_AttributeError,
+                             "Can't pickle local object %R", name);
+            else
+                PyErr_Format(PyExc_AttributeError,
+                             "Can't pickle local attribute %R on %R", name, obj);
             Py_DECREF(dotted_path);
-            Py_DECREF(obj);
             return NULL;
         }
-        tmp = PyObject_GetAttr(obj, subpath);
-        Py_DECREF(obj);
-        if (tmp == NULL) {
-            if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                PyErr_Clear();
-                PyErr_Format(PyExc_AttributeError,
-                             "Can't get attribute %R on %R", name, obj);
-            }
-            Py_DECREF(dotted_path);
+    }
+    return dotted_path;
+}
+
+static PyObject *
+get_deep_attribute(PyObject *obj, PyObject *names, PyObject **pparent)
+{
+    Py_ssize_t i, n;
+    PyObject *parent = NULL;
+
+    assert(PyList_CheckExact(names));
+    Py_INCREF(obj);
+    n = PyList_GET_SIZE(names);
+    for (i = 0; i < n; i++) {
+        PyObject *name = PyList_GET_ITEM(names, i);
+        Py_XDECREF(parent);
+        parent = obj;
+        obj = PyObject_GetAttr(parent, name);
+        if (obj == NULL) {
+            Py_DECREF(parent);
             return NULL;
         }
-        obj = tmp;
     }
-    Py_DECREF(dotted_path);
+    if (pparent != NULL)
+        *pparent = parent;
+    else
+        Py_XDECREF(parent);
     return obj;
 }
 
+static void
+reformat_attribute_error(PyObject *obj, PyObject *name)
+{
+    if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
+        PyErr_Clear();
+        PyErr_Format(PyExc_AttributeError,
+                     "Can't get attribute %R on %R", name, obj);
+    }
+}
+
+
+static PyObject *
+getattribute(PyObject *obj, PyObject *name, int allow_qualname)
+{
+    PyObject *dotted_path, *attr;
+
+    if (allow_qualname) {
+        dotted_path = get_dotted_path(obj, name);
+        if (dotted_path == NULL)
+            return NULL;
+        attr = get_deep_attribute(obj, dotted_path, NULL);
+        Py_DECREF(dotted_path);
+    }
+    else
+        attr = PyObject_GetAttr(obj, name);
+    if (attr == NULL)
+        reformat_attribute_error(obj, name);
+    return attr;
+}
+
 static PyObject *
-whichmodule(PyObject *global, PyObject *global_name, int allow_qualname)
+whichmodule(PyObject *global, PyObject *dotted_path)
 {
     PyObject *module_name;
     PyObject *modules_dict;
     PyObject *module;
-    PyObject *obj;
-    Py_ssize_t i, j;
+    Py_ssize_t i;
     _Py_IDENTIFIER(__module__);
     _Py_IDENTIFIER(modules);
     _Py_IDENTIFIER(__main__);
@@ -1616,6 +1662,7 @@ whichmodule(PyObject *global, PyObject *global_name, int allow_qualname)
     }
     assert(module_name == NULL);
 
+    /* Fallback on walking sys.modules */
     modules_dict = _PySys_GetObjectId(&PyId_modules);
     if (modules_dict == NULL) {
         PyErr_SetString(PyExc_RuntimeError, "unable to get sys.modules");
@@ -1623,31 +1670,28 @@ whichmodule(PyObject *global, PyObject *global_name, int allow_qualname)
     }
 
     i = 0;
-    while ((j = PyDict_Next(modules_dict, &i, &module_name, &module))) {
-        PyObject *result = PyUnicode_RichCompare(
-            module_name, _PyUnicode_FromId(&PyId___main__), Py_EQ);
-        int is_equal = (result == Py_True);
-        assert(PyBool_Check(result));
-        Py_DECREF(result);
-        if (is_equal)
+    while (PyDict_Next(modules_dict, &i, &module_name, &module)) {
+        PyObject *candidate;
+        if (PyUnicode_Check(module_name) &&
+            !PyUnicode_CompareWithASCIIString(module_name, "__main__"))
             continue;
         if (module == Py_None)
             continue;
 
-        obj = getattribute(module, global_name, allow_qualname);
-        if (obj == NULL) {
+        candidate = get_deep_attribute(module, dotted_path, NULL);
+        if (candidate == NULL) {
             if (!PyErr_ExceptionMatches(PyExc_AttributeError))
                 return NULL;
             PyErr_Clear();
             continue;
         }
 
-        if (obj == global) {
-            Py_DECREF(obj);
+        if (candidate == global) {
             Py_INCREF(module_name);
+            Py_DECREF(candidate);
             return module_name;
         }
-        Py_DECREF(obj);
+        Py_DECREF(candidate);
     }
 
     /* If no module is found, use __main__. */
@@ -1933,7 +1977,7 @@ save_float(PicklerObject *self, PyObject *obj)
         if (_Pickler_Write(self, &op, 1) < 0)
             goto done;
 
-        buf = PyOS_double_to_string(x, 'g', 17, 0, NULL);
+        buf = PyOS_double_to_string(x, 'r', 0, Py_DTSF_ADD_DOT_0, NULL);
         if (!buf) {
             PyErr_NoMemory();
             goto done;
@@ -2013,7 +2057,7 @@ save_bytes(PicklerObject *self, PyObject *obj)
             header[1] = (unsigned char)size;
             len = 2;
         }
-        else if (size <= 0xffffffffL) {
+        else if ((size_t)size <= 0xffffffffUL) {
             header[0] = BINBYTES;
             header[1] = (unsigned char)(size & 0xff);
             header[2] = (unsigned char)((size >> 8) & 0xff);
@@ -2050,9 +2094,10 @@ save_bytes(PicklerObject *self, PyObject *obj)
 static PyObject *
 raw_unicode_escape(PyObject *obj)
 {
-    PyObject *repr, *result;
+    PyObject *repr;
     char *p;
-    Py_ssize_t i, size, expandsize;
+    Py_ssize_t i, size;
+    size_t expandsize;
     void *data;
     unsigned int kind;
 
@@ -2067,15 +2112,16 @@ raw_unicode_escape(PyObject *obj)
     else
         expandsize = 6;
 
-    if (size > PY_SSIZE_T_MAX / expandsize)
+    if ((size_t)size > (size_t)PY_SSIZE_T_MAX / expandsize)
         return PyErr_NoMemory();
-    repr = PyByteArray_FromStringAndSize(NULL, expandsize * size);
+    repr = PyBytes_FromStringAndSize(NULL, expandsize * size);
     if (repr == NULL)
         return NULL;
     if (size == 0)
-        goto done;
+        return repr;
+    assert(Py_REFCNT(repr) == 1);
 
-    p = PyByteArray_AS_STRING(repr);
+    p = PyBytes_AS_STRING(repr);
     for (i=0; i < size; i++) {
         Py_UCS4 ch = PyUnicode_READ(kind, data, i);
         /* Map 32-bit characters to '\Uxxxxxxxx' */
@@ -2104,12 +2150,10 @@ raw_unicode_escape(PyObject *obj)
         else
             *p++ = (char) ch;
     }
-    size = p - PyByteArray_AS_STRING(repr);
-
-done:
-    result = PyBytes_FromStringAndSize(PyByteArray_AS_STRING(repr), size);
-    Py_DECREF(repr);
-    return result;
+    size = p - PyBytes_AS_STRING(repr);
+    if (_PyBytes_Resize(&repr, size) < 0)
+        return NULL;
+    return repr;
 }
 
 static int
@@ -2118,12 +2162,13 @@ write_utf8(PicklerObject *self, char *data, Py_ssize_t size)
     char header[9];
     Py_ssize_t len;
 
+    assert(size >= 0);
     if (size <= 0xff && self->proto >= 4) {
         header[0] = SHORT_BINUNICODE;
         header[1] = (unsigned char)(size & 0xff);
         len = 2;
     }
-    else if (size <= 0xffffffffUL) {
+    else if ((size_t)size <= 0xffffffffUL) {
         header[0] = BINUNICODE;
         header[1] = (unsigned char)(size & 0xff);
         header[2] = (unsigned char)((size >> 8) & 0xff);
@@ -3058,6 +3103,9 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
     PyObject *global_name = NULL;
     PyObject *module_name = NULL;
     PyObject *module = NULL;
+    PyObject *parent = NULL;
+    PyObject *dotted_path = NULL;
+    PyObject *lastname = NULL;
     PyObject *cls;
     PickleState *st = _Pickle_GetGlobalState();
     int status = 0;
@@ -3071,13 +3119,11 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
         global_name = name;
     }
     else {
-        if (self->proto >= 4) {
-            global_name = _PyObject_GetAttrId(obj, &PyId___qualname__);
-            if (global_name == NULL) {
-                if (!PyErr_ExceptionMatches(PyExc_AttributeError))
-                    goto error;
-                PyErr_Clear();
-            }
+        global_name = _PyObject_GetAttrId(obj, &PyId___qualname__);
+        if (global_name == NULL) {
+            if (!PyErr_ExceptionMatches(PyExc_AttributeError))
+                goto error;
+            PyErr_Clear();
         }
         if (global_name == NULL) {
             global_name = _PyObject_GetAttrId(obj, &PyId___name__);
@@ -3086,7 +3132,10 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
         }
     }
 
-    module_name = whichmodule(obj, global_name, self->proto >= 4);
+    dotted_path = get_dotted_path(module, global_name);
+    if (dotted_path == NULL)
+        goto error;
+    module_name = whichmodule(obj, dotted_path);
     if (module_name == NULL)
         goto error;
 
@@ -3105,7 +3154,10 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
                      obj, module_name);
         goto error;
     }
-    cls = getattribute(module, global_name, self->proto >= 4);
+    lastname = PyList_GET_ITEM(dotted_path, PyList_GET_SIZE(dotted_path)-1);
+    Py_INCREF(lastname);
+    cls = get_deep_attribute(module, dotted_path, &parent);
+    Py_CLEAR(dotted_path);
     if (cls == NULL) {
         PyErr_Format(st->PicklingError,
                      "Can't pickle %R: attribute lookup %S on %S failed",
@@ -3192,6 +3244,11 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
     }
     else {
   gen_global:
+        if (parent == module) {
+            Py_INCREF(lastname);
+            Py_DECREF(global_name);
+            global_name = lastname;
+        }
         if (self->proto >= 4) {
             const char stack_global_op = STACK_GLOBAL;
 
@@ -3203,6 +3260,15 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
             if (_Pickler_Write(self, &stack_global_op, 1) < 0)
                 goto error;
         }
+        else if (parent != module) {
+            PickleState *st = _Pickle_GetGlobalState();
+            PyObject *reduce_value = Py_BuildValue("(O(OO))",
+                                        st->getattr, parent, lastname);
+            status = save_reduce(self, reduce_value, NULL);
+            Py_DECREF(reduce_value);
+            if (status < 0)
+                goto error;
+        }
         else {
             /* Generate a normal global opcode if we are using a pickle
                protocol < 4, or if the object is not registered in the
@@ -3281,6 +3347,9 @@ save_global(PicklerObject *self, PyObject *obj, PyObject *name)
     Py_XDECREF(module_name);
     Py_XDECREF(global_name);
     Py_XDECREF(module);
+    Py_XDECREF(parent);
+    Py_XDECREF(dotted_path);
+    Py_XDECREF(lastname);
 
     return status;
 }
@@ -3460,20 +3529,19 @@ save_reduce(PicklerObject *self, PyObject *args, PyObject *obj)
             }
             PyErr_Clear();
         }
-        else if (self->proto >= 4) {
-            _Py_IDENTIFIER(__newobj_ex__);
-            use_newobj_ex = PyUnicode_Check(name) &&
-                PyUnicode_Compare(
-                    name, _PyUnicode_FromId(&PyId___newobj_ex__)) == 0;
-            Py_DECREF(name);
-        }
-        else {
-            _Py_IDENTIFIER(__newobj__);
-            use_newobj = PyUnicode_Check(name) &&
-                PyUnicode_Compare(
-                    name, _PyUnicode_FromId(&PyId___newobj__)) == 0;
-            Py_DECREF(name);
+        else if (PyUnicode_Check(name)) {
+            if (self->proto >= 4) {
+                _Py_IDENTIFIER(__newobj_ex__);
+                use_newobj_ex = PyUnicode_Compare(
+                        name, _PyUnicode_FromId(&PyId___newobj_ex__)) == 0;
+            }
+            if (!use_newobj_ex) {
+                _Py_IDENTIFIER(__newobj__);
+                use_newobj = PyUnicode_Compare(
+                        name, _PyUnicode_FromId(&PyId___newobj__)) == 0;
+            }
         }
+        Py_XDECREF(name);
     }
 
     if (use_newobj_ex) {
@@ -4038,8 +4106,9 @@ to map the new Python 3 names to the old module names used in Python
 [clinic start generated code]*/
 
 static int
-_pickle_Pickler___init___impl(PicklerObject *self, PyObject *file, PyObject *protocol, int fix_imports)
-/*[clinic end generated code: output=56e229f3b1f4332f input=b8cdeb7e3f5ee674]*/
+_pickle_Pickler___init___impl(PicklerObject *self, PyObject *file,
+                              PyObject *protocol, int fix_imports)
+/*[clinic end generated code: output=b5f31078dab17fb0 input=b8cdeb7e3f5ee674]*/
 {
     _Py_IDENTIFIER(persistent_id);
     _Py_IDENTIFIER(dispatch_table);
@@ -4534,10 +4603,10 @@ static Py_ssize_t
 calc_binsize(char *bytes, int nbytes)
 {
     unsigned char *s = (unsigned char *)bytes;
-    int i;
+    Py_ssize_t i;
     size_t x = 0;
 
-    for (i = 0; i < nbytes && i < sizeof(size_t); i++) {
+    for (i = 0; i < nbytes && (size_t)i < sizeof(size_t); i++) {
         x |= (size_t) s[i] << (8 * i);
     }
 
@@ -4556,7 +4625,7 @@ static long
 calc_binint(char *bytes, int nbytes)
 {
     unsigned char *s = (unsigned char *)bytes;
-    int i;
+    Py_ssize_t i;
     long x = 0;
 
     for (i = 0; i < nbytes; i++) {
@@ -6234,8 +6303,10 @@ needed.  Both arguments passed are str objects.
 [clinic start generated code]*/
 
 static PyObject *
-_pickle_Unpickler_find_class_impl(UnpicklerObject *self, PyObject *module_name, PyObject *global_name)
-/*[clinic end generated code: output=64c77437e088e188 input=e2e6a865de093ef4]*/
+_pickle_Unpickler_find_class_impl(UnpicklerObject *self,
+                                  PyObject *module_name,
+                                  PyObject *global_name)
+/*[clinic end generated code: output=becc08d7f9ed41e3 input=e2e6a865de093ef4]*/
 {
     PyObject *global;
     PyObject *modules_dict;
@@ -6446,8 +6517,10 @@ string instances as bytes objects.
 [clinic start generated code]*/
 
 static int
-_pickle_Unpickler___init___impl(UnpicklerObject *self, PyObject *file, int fix_imports, const char *encoding, const char *errors)
-/*[clinic end generated code: output=b9ed1d84d315f3b5 input=30b4dc9e976b890c]*/
+_pickle_Unpickler___init___impl(UnpicklerObject *self, PyObject *file,
+                                int fix_imports, const char *encoding,
+                                const char *errors)
+/*[clinic end generated code: output=e2c8ce748edc57b0 input=30b4dc9e976b890c]*/
 {
     _Py_IDENTIFIER(persistent_load);
 
@@ -6875,8 +6948,9 @@ to map the new Python 3 names to the old module names used in Python
 [clinic start generated code]*/
 
 static PyObject *
-_pickle_dump_impl(PyModuleDef *module, PyObject *obj, PyObject *file, PyObject *protocol, int fix_imports)
-/*[clinic end generated code: output=a606e626d553850d input=e9e5fdd48de92eae]*/
+_pickle_dump_impl(PyModuleDef *module, PyObject *obj, PyObject *file,
+                  PyObject *protocol, int fix_imports)
+/*[clinic end generated code: output=0de7dff89c406816 input=e9e5fdd48de92eae]*/
 {
     PicklerObject *pickler = _Pickler_New();
 
@@ -6928,8 +7002,9 @@ Python 2, so that the pickle data stream is readable with Python 2.
 [clinic start generated code]*/
 
 static PyObject *
-_pickle_dumps_impl(PyModuleDef *module, PyObject *obj, PyObject *protocol, int fix_imports)
-/*[clinic end generated code: output=777f0deefe5b88ee input=293dbeda181580b7]*/
+_pickle_dumps_impl(PyModuleDef *module, PyObject *obj, PyObject *protocol,
+                   int fix_imports)
+/*[clinic end generated code: output=daa380db56fe07b9 input=293dbeda181580b7]*/
 {
     PyObject *result;
     PicklerObject *pickler = _Pickler_New();
@@ -6988,8 +7063,9 @@ string instances as bytes objects.
 [clinic start generated code]*/
 
 static PyObject *
-_pickle_load_impl(PyModuleDef *module, PyObject *file, int fix_imports, const char *encoding, const char *errors)
-/*[clinic end generated code: output=568c61356c172654 input=da97372e38e510a6]*/
+_pickle_load_impl(PyModuleDef *module, PyObject *file, int fix_imports,
+                  const char *encoding, const char *errors)
+/*[clinic end generated code: output=798f1c57cb2b4eb1 input=da97372e38e510a6]*/
 {
     PyObject *result;
     UnpicklerObject *unpickler = _Unpickler_New();
@@ -7041,8 +7117,9 @@ string instances as bytes objects.
 [clinic start generated code]*/
 
 static PyObject *
-_pickle_loads_impl(PyModuleDef *module, PyObject *data, int fix_imports, const char *encoding, const char *errors)
-/*[clinic end generated code: output=0b3845ad110b2522 input=f57f0fdaa2b4cb8b]*/
+_pickle_loads_impl(PyModuleDef *module, PyObject *data, int fix_imports,
+                   const char *encoding, const char *errors)
+/*[clinic end generated code: output=61e9cdb01e36a736 input=f57f0fdaa2b4cb8b]*/
 {
     PyObject *result;
     UnpicklerObject *unpickler = _Unpickler_New();
@@ -7104,6 +7181,7 @@ pickle_traverse(PyObject *m, visitproc visit, void *arg)
     Py_VISIT(st->name_mapping_3to2);
     Py_VISIT(st->import_mapping_3to2);
     Py_VISIT(st->codecs_encode);
+    Py_VISIT(st->getattr);
     return 0;
 }
 
diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c
index f0a272e..39914c5 100644
--- a/Modules/_posixsubprocess.c
+++ b/Modules/_posixsubprocess.c
@@ -254,7 +254,7 @@ _close_open_fds_safe(int start_fd, PyObject* py_fds_to_keep)
 {
     int fd_dir_fd;
 
-    fd_dir_fd = _Py_open(FD_DIR, O_RDONLY);
+    fd_dir_fd = _Py_open_noraise(FD_DIR, O_RDONLY);
     if (fd_dir_fd == -1) {
         /* No way to get a list of open fds. */
         _close_fds_by_brute_force(start_fd, py_fds_to_keep);
@@ -382,7 +382,7 @@ child_exec(char *const exec_array[],
            PyObject *preexec_fn,
            PyObject *preexec_fn_args_tuple)
 {
-    int i, saved_errno, unused, reached_preexec = 0;
+    int i, saved_errno, reached_preexec = 0;
     PyObject *result;
     const char* err_msg = "";
     /* Buffer large enough to hold a hex integer.  We can't malloc. */
@@ -496,28 +496,29 @@ error:
     saved_errno = errno;
     /* Report the posix error to our parent process. */
     /* We ignore all write() return values as the total size of our writes is
-     * less than PIPEBUF and we cannot do anything about an error anyways. */
+       less than PIPEBUF and we cannot do anything about an error anyways.
+       Use _Py_write_noraise() to retry write() if it is interrupted by a
+       signal (fails with EINTR). */
     if (saved_errno) {
         char *cur;
-        unused = write(errpipe_write, "OSError:", 8);
+        _Py_write_noraise(errpipe_write, "OSError:", 8);
         cur = hex_errno + sizeof(hex_errno);
         while (saved_errno != 0 && cur > hex_errno) {
             *--cur = "0123456789ABCDEF"[saved_errno % 16];
             saved_errno /= 16;
         }
-        unused = write(errpipe_write, cur, hex_errno + sizeof(hex_errno) - cur);
-        unused = write(errpipe_write, ":", 1);
+        _Py_write_noraise(errpipe_write, cur, hex_errno + sizeof(hex_errno) - cur);
+        _Py_write_noraise(errpipe_write, ":", 1);
         if (!reached_preexec) {
             /* Indicate to the parent that the error happened before exec(). */
-            unused = write(errpipe_write, "noexec", 6);
+            _Py_write_noraise(errpipe_write, "noexec", 6);
         }
         /* We can't call strerror(saved_errno).  It is not async signal safe.
          * The parent process will look the error message up. */
     } else {
-        unused = write(errpipe_write, "SubprocessError:0:", 18);
-        unused = write(errpipe_write, err_msg, strlen(err_msg));
+        _Py_write_noraise(errpipe_write, "SubprocessError:0:", 18);
+        _Py_write_noraise(errpipe_write, err_msg, strlen(err_msg));
     }
-    if (unused) return;  /* silly? yes! avoids gcc compiler warning. */
 }
 
 
diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c
index 4377ee0..af86182 100644
--- a/Modules/_randommodule.c
+++ b/Modules/_randommodule.c
@@ -78,8 +78,8 @@
 
 typedef struct {
     PyObject_HEAD
-    unsigned long state[N];
     int index;
+    unsigned long state[N];
 } RandomObject;
 
 static PyTypeObject Random_Type;
diff --git a/Modules/_scproxy.c b/Modules/_scproxy.c
index 3b2a38e..66b6e34 100644
--- a/Modules/_scproxy.c
+++ b/Modules/_scproxy.c
@@ -249,7 +249,7 @@ static struct PyModuleDef mod_module = {
 extern "C" {
 #endif
 
-PyObject*
+PyMODINIT_FUNC
 PyInit__scproxy(void)
 {
     return PyModule_Create(&mod_module);
diff --git a/Modules/_sqlite/connection.h b/Modules/_sqlite/connection.h
index 0c9734c..fbd9063 100644
--- a/Modules/_sqlite/connection.h
+++ b/Modules/_sqlite/connection.h
@@ -52,7 +52,7 @@ typedef struct
      * first get called with count=0? */
     double timeout_started;
 
-    /* None for autocommit, otherwise a PyString with the isolation level */
+    /* None for autocommit, otherwise a PyUnicode with the isolation level */
     PyObject* isolation_level;
 
     /* NULL for autocommit, otherwise a string with the BEGIN statement; will be
diff --git a/Modules/_sqlite/cursor.c b/Modules/_sqlite/cursor.c
index db96b02..c1599c0 100644
--- a/Modules/_sqlite/cursor.c
+++ b/Modules/_sqlite/cursor.c
@@ -46,7 +46,7 @@ static pysqlite_StatementKind detect_statement_type(const char* statement)
 
     dst = buf;
     *dst = 0;
-    while (Py_ISALPHA(*src) && dst - buf < sizeof(buf) - 2) {
+    while (Py_ISALPHA(*src) && (dst - buf) < ((Py_ssize_t)sizeof(buf) - 2)) {
         *dst++ = Py_TOLOWER(*src++);
     }
 
@@ -334,11 +334,7 @@ PyObject* _pysqlite_fetch_one_row(pysqlite_Cursor* self)
                 if (self->connection->text_factory == (PyObject*)&PyUnicode_Type) {
                     converted = PyUnicode_FromStringAndSize(val_str, nbytes);
                     if (!converted) {
-#ifdef Py_DEBUG
-                        /* in debug mode, type_call() fails with an assertion
-                           error if an exception is set when it is called */
                         PyErr_Clear();
-#endif
                         colname = sqlite3_column_name(self->statement->st, i);
                         if (!colname) {
                             colname = "<unknown column name>";
diff --git a/Modules/_sqlite/microprotocols.h b/Modules/_sqlite/microprotocols.h
index 3a9944f..6941716 100644
--- a/Modules/_sqlite/microprotocols.h
+++ b/Modules/_sqlite/microprotocols.h
@@ -48,7 +48,7 @@ extern PyObject *pysqlite_microprotocols_adapt(
     PyObject *obj, PyObject *proto, PyObject *alt);
 
 extern PyObject *
-    pysqlite_adapt(pysqlite_Cursor* self, PyObject *args);   
+    pysqlite_adapt(pysqlite_Cursor* self, PyObject *args);
 #define pysqlite_adapt_doc \
     "adapt(obj, protocol, alternate) -> adapt obj to given protocol. Non-standard."
 
diff --git a/Modules/_sqlite/row.c b/Modules/_sqlite/row.c
index 64dfd06..d863643 100644
--- a/Modules/_sqlite/row.c
+++ b/Modules/_sqlite/row.c
@@ -142,8 +142,7 @@ PyObject* pysqlite_row_subscript(pysqlite_Row* self, PyObject* idx)
         return NULL;
     }
     else if (PySlice_Check(idx)) {
-        PyErr_SetString(PyExc_ValueError, "slices not implemented, yet");
-        return NULL;
+        return PyObject_GetItem(self->data, idx);
     }
     else {
         PyErr_SetString(PyExc_IndexError, "Index must be int or string");
@@ -159,7 +158,7 @@ Py_ssize_t pysqlite_row_length(pysqlite_Row* self, PyObject* args, PyObject* kwa
 PyObject* pysqlite_row_keys(pysqlite_Row* self, PyObject* args, PyObject* kwargs)
 {
     PyObject* list;
-    int nitems, i;
+    Py_ssize_t nitems, i;
 
     list = PyList_New(0);
     if (!list) {
diff --git a/Modules/_sre.c b/Modules/_sre.c
index 300d883..8cad1ac 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -97,48 +97,25 @@ static char copyright[] =
 /* -------------------------------------------------------------------- */
 /* search engine state */
 
-/* default character predicates (run sre_chars.py to regenerate tables) */
-
-#define SRE_DIGIT_MASK 1
-#define SRE_SPACE_MASK 2
-#define SRE_LINEBREAK_MASK 4
-#define SRE_ALNUM_MASK 8
-#define SRE_WORD_MASK 16
-
-/* FIXME: this assumes ASCII.  create tables in init_sre() instead */
-
-static char sre_char_info[128] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6, 2,
-2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
-0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 25, 25, 25, 25, 25, 25, 25,
-25, 25, 0, 0, 0, 0, 0, 0, 0, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 0, 0,
-0, 0, 16, 0, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 0, 0, 0, 0, 0 };
-
-static char sre_char_lower[128] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
-10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
-27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
-44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
-61, 62, 63, 64, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
-108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
-122, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105,
-106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
-120, 121, 122, 123, 124, 125, 126, 127 };
-
 #define SRE_IS_DIGIT(ch)\
-    ((ch) < 128 ? (sre_char_info[(ch)] & SRE_DIGIT_MASK) : 0)
+    ((ch) < 128 && Py_ISDIGIT(ch))
 #define SRE_IS_SPACE(ch)\
-    ((ch) < 128 ? (sre_char_info[(ch)] & SRE_SPACE_MASK) : 0)
+    ((ch) < 128 && Py_ISSPACE(ch))
 #define SRE_IS_LINEBREAK(ch)\
-    ((ch) < 128 ? (sre_char_info[(ch)] & SRE_LINEBREAK_MASK) : 0)
+    ((ch) == '\n')
 #define SRE_IS_ALNUM(ch)\
-    ((ch) < 128 ? (sre_char_info[(ch)] & SRE_ALNUM_MASK) : 0)
+    ((ch) < 128 && Py_ISALNUM(ch))
 #define SRE_IS_WORD(ch)\
-    ((ch) < 128 ? (sre_char_info[(ch)] & SRE_WORD_MASK) : 0)
+    ((ch) < 128 && (Py_ISALNUM(ch) || (ch) == '_'))
 
 static unsigned int sre_lower(unsigned int ch)
 {
-    return ((ch) < 128 ? (unsigned int)sre_char_lower[ch] : ch);
+    return ((ch) < 128 ? Py_TOLOWER(ch) : ch);
+}
+
+static unsigned int sre_upper(unsigned int ch)
+{
+    return ((ch) < 128 ? Py_TOUPPER(ch) : ch);
 }
 
 /* locale-specific character predicates */
@@ -152,6 +129,11 @@ static unsigned int sre_lower_locale(unsigned int ch)
     return ((ch) < 256 ? (unsigned int)tolower((ch)) : ch);
 }
 
+static unsigned int sre_upper_locale(unsigned int ch)
+{
+    return ((ch) < 256 ? (unsigned int)toupper((ch)) : ch);
+}
+
 /* unicode-specific character predicates */
 
 #define SRE_UNI_IS_DIGIT(ch) Py_UNICODE_ISDECIMAL(ch)
@@ -165,6 +147,11 @@ static unsigned int sre_lower_unicode(unsigned int ch)
     return (unsigned int) Py_UNICODE_TOLOWER(ch);
 }
 
+static unsigned int sre_upper_unicode(unsigned int ch)
+{
+    return (unsigned int) Py_UNICODE_TOUPPER(ch);
+}
+
 LOCAL(int)
 sre_category(SRE_CODE category, unsigned int ch)
 {
@@ -328,7 +315,7 @@ getstring(PyObject* string, Py_ssize_t* p_length,
 
     /* get pointer to byte string buffer */
     if (PyObject_GetBuffer(string, view, PyBUF_SIMPLE) != 0) {
-        PyErr_SetString(PyExc_TypeError, "expected string or buffer");
+        PyErr_SetString(PyExc_TypeError, "expected string or bytes-like object");
         return NULL;
     }
 
@@ -357,6 +344,11 @@ state_init(SRE_STATE* state, PatternObject* pattern, PyObject* string,
 
     memset(state, 0, sizeof(SRE_STATE));
 
+    state->mark = PyMem_New(void *, pattern->groups * 2);
+    if (!state->mark) {
+        PyErr_NoMemory();
+        goto err;
+    }
     state->lastmark = -1;
     state->lastindex = -1;
 
@@ -367,12 +359,12 @@ state_init(SRE_STATE* state, PatternObject* pattern, PyObject* string,
 
     if (isbytes && pattern->isbytes == 0) {
         PyErr_SetString(PyExc_TypeError,
-                        "can't use a string pattern on a bytes-like object");
+                        "cannot use a string pattern on a bytes-like object");
         goto err;
     }
     if (!isbytes && pattern->isbytes > 0) {
         PyErr_SetString(PyExc_TypeError,
-                        "can't use a bytes pattern on a string-like object");
+                        "cannot use a bytes pattern on a string-like object");
         goto err;
     }
 
@@ -400,15 +392,23 @@ state_init(SRE_STATE* state, PatternObject* pattern, PyObject* string,
     state->pos = start;
     state->endpos = end;
 
-    if (pattern->flags & SRE_FLAG_LOCALE)
+    if (pattern->flags & SRE_FLAG_LOCALE) {
         state->lower = sre_lower_locale;
-    else if (pattern->flags & SRE_FLAG_UNICODE)
+        state->upper = sre_upper_locale;
+    }
+    else if (pattern->flags & SRE_FLAG_UNICODE) {
         state->lower = sre_lower_unicode;
-    else
+        state->upper = sre_upper_unicode;
+    }
+    else {
         state->lower = sre_lower;
+        state->upper = sre_upper;
+    }
 
     return string;
   err:
+    PyMem_Del(state->mark);
+    state->mark = NULL;
     if (state->buffer.buf)
         PyBuffer_Release(&state->buffer);
     return NULL;
@@ -421,6 +421,8 @@ state_fini(SRE_STATE* state)
         PyBuffer_Release(&state->buffer);
     Py_XDECREF(state->string);
     data_stack_dealloc(state);
+    PyMem_Del(state->mark);
+    state->mark = NULL;
 }
 
 /* calculate offset from start of string */
@@ -560,6 +562,7 @@ pattern_match(PatternObject *self, PyObject *args, PyObject *kwargs)
     PyObject *pattern = NULL;
     SRE_STATE state;
     Py_ssize_t status;
+    PyObject *match;
 
     if (!PyArg_ParseTupleAndKeywords(args, kwargs,
         "|Onn$O:match", _keywords,
@@ -579,12 +582,14 @@ pattern_match(PatternObject *self, PyObject *args, PyObject *kwargs)
     status = sre_match(&state, PatternObject_GetCode(self), 0);
 
     TRACE(("|%p|%p|END\n", PatternObject_GetCode(self), state.ptr));
-    if (PyErr_Occurred())
+    if (PyErr_Occurred()) {
+        state_fini(&state);
         return NULL;
+    }
 
+    match = pattern_new_match(self, &state, status);
     state_fini(&state);
-
-    return (PyObject *)pattern_new_match(self, &state, status);
+    return match;
 }
 
 static PyObject*
@@ -592,6 +597,7 @@ pattern_fullmatch(PatternObject* self, PyObject* args, PyObject* kw)
 {
     SRE_STATE state;
     Py_ssize_t status;
+    PyObject *match;
 
     PyObject *string = NULL, *string2 = NULL;
     Py_ssize_t start = 0;
@@ -616,12 +622,14 @@ pattern_fullmatch(PatternObject* self, PyObject* args, PyObject* kw)
     status = sre_match(&state, PatternObject_GetCode(self), 1);
 
     TRACE(("|%p|%p|END\n", PatternObject_GetCode(self), state.ptr));
-    if (PyErr_Occurred())
+    if (PyErr_Occurred()) {
+        state_fini(&state);
         return NULL;
+    }
 
+    match = pattern_new_match(self, &state, status);
     state_fini(&state);
-
-    return pattern_new_match(self, &state, status);
+    return match;
 }
 
 static PyObject*
@@ -629,6 +637,7 @@ pattern_search(PatternObject* self, PyObject* args, PyObject* kw)
 {
     SRE_STATE state;
     Py_ssize_t status;
+    PyObject *match;
 
     PyObject *string = NULL, *string2 = NULL;
     Py_ssize_t start = 0;
@@ -652,12 +661,14 @@ pattern_search(PatternObject* self, PyObject* args, PyObject* kw)
 
     TRACE(("|%p|%p|END\n", PatternObject_GetCode(self), state.ptr));
 
-    state_fini(&state);
-
-    if (PyErr_Occurred())
+    if (PyErr_Occurred()) {
+        state_fini(&state);
         return NULL;
+    }
 
-    return pattern_new_match(self, &state, status);
+    match = pattern_new_match(self, &state, status);
+    state_fini(&state);
+    return match;
 }
 
 static PyObject*
@@ -852,6 +863,19 @@ pattern_split(PatternObject* self, PyObject* args, PyObject* kw)
     if (!string)
         return NULL;
 
+    assert(self->codesize != 0);
+    if (self->code[0] != SRE_OP_INFO || self->code[3] == 0) {
+        if (self->code[0] == SRE_OP_INFO && self->code[4] == 0) {
+            PyErr_SetString(PyExc_ValueError,
+                            "split() requires a non-empty pattern match.");
+            return NULL;
+        }
+        if (PyErr_WarnEx(PyExc_FutureWarning,
+                         "split() requires a non-empty pattern match.",
+                         1) < 0)
+            return NULL;
+    }
+
     string = state_init(&state, self, string, 0, PY_SSIZE_T_MAX);
     if (!string)
         return NULL;
@@ -1236,7 +1260,7 @@ pattern_repr(PatternObject *obj)
     };
     PyObject *result = NULL;
     PyObject *flag_items;
-    int i;
+    size_t i;
     int flags = obj->flags;
 
     /* Omit re.UNICODE for valid string patterns. */
@@ -1360,12 +1384,24 @@ static PyMethodDef pattern_methods[] = {
     {NULL, NULL}
 };
 
+/* PatternObject's 'groupindex' method. */
+static PyObject *
+pattern_groupindex(PatternObject *self)
+{
+    return PyDictProxy_New(self->groupindex);
+}
+
+static PyGetSetDef pattern_getset[] = {
+    {"groupindex", (getter)pattern_groupindex, (setter)NULL,
+      "A dictionary mapping group names to group numbers."},
+    {NULL}  /* Sentinel */
+};
+
 #define PAT_OFF(x) offsetof(PatternObject, x)
 static PyMemberDef pattern_members[] = {
     {"pattern",    T_OBJECT,    PAT_OFF(pattern),       READONLY},
     {"flags",      T_INT,       PAT_OFF(flags),         READONLY},
     {"groups",     T_PYSSIZET,  PAT_OFF(groups),        READONLY},
-    {"groupindex", T_OBJECT,    PAT_OFF(groupindex),    READONLY},
     {NULL}  /* Sentinel */
 };
 
@@ -1398,6 +1434,7 @@ static PyTypeObject Pattern_Type = {
     0,                                  /* tp_iternext */
     pattern_methods,                    /* tp_methods */
     pattern_members,                    /* tp_members */
+    pattern_getset,                     /* tp_getset */
 };
 
 static int _validate(PatternObject *self); /* Forward */
@@ -1417,7 +1454,7 @@ _compile(PyObject* self_, PyObject* args)
     PyObject* groupindex = NULL;
     PyObject* indexgroup = NULL;
 
-    if (!PyArg_ParseTuple(args, "OiO!|nOO", &pattern, &flags,
+    if (!PyArg_ParseTuple(args, "OiO!nOO", &pattern, &flags,
                           &PyList_Type, &code, &groups,
                           &groupindex, &indexgroup))
         return NULL;
@@ -1577,6 +1614,7 @@ _validate_charset(SRE_CODE *code, SRE_CODE *end)
             break;
 
         case SRE_OP_RANGE:
+        case SRE_OP_RANGE_IGNORE:
             GET_ARG;
             GET_ARG;
             break;
@@ -1933,10 +1971,9 @@ _validate_inner(SRE_CODE *code, SRE_CODE *end, Py_ssize_t groups)
 static int
 _validate_outer(SRE_CODE *code, SRE_CODE *end, Py_ssize_t groups)
 {
-    if (groups < 0 || groups > 100 || code >= end || end[-1] != SRE_OP_SUCCESS)
+    if (groups < 0 || (size_t)groups > SRE_MAXGROUPS ||
+        code >= end || end[-1] != SRE_OP_SUCCESS)
         FAIL;
-    if (groups == 0)  /* fix for simplejson */
-        groups = 100; /* 100 groups should always be safe */
     return _validate_inner(code, end-1, groups);
 }
 
@@ -2747,6 +2784,12 @@ PyMODINIT_FUNC PyInit__sre(void)
         Py_DECREF(x);
     }
 
+    x = PyLong_FromUnsignedLong(SRE_MAXGROUPS);
+    if (x) {
+        PyDict_SetItemString(d, "MAXGROUPS", x);
+        Py_DECREF(x);
+    }
+
     x = PyUnicode_FromString(copyright);
     if (x) {
         PyDict_SetItemString(d, "copyright", x);
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index c27073c..b7b39dd 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -64,6 +64,7 @@ static PySocketModule_APIObject PySocketModule;
 #include "openssl/ssl.h"
 #include "openssl/err.h"
 #include "openssl/rand.h"
+#include "openssl/bio.h"
 
 /* SSL error object */
 static PyObject *PySSLErrorObject;
@@ -108,6 +109,11 @@ struct py_ssl_library_code {
 # define HAVE_SNI 0
 #endif
 
+/* ALPN added in OpenSSL 1.0.2 */
+#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined(OPENSSL_NO_TLSEXT)
+# define HAVE_ALPN
+#endif
+
 enum py_ssl_error {
     /* these mirror ssl.h */
     PY_SSL_ERROR_NONE,
@@ -161,13 +167,6 @@ static unsigned int _ssl_locks_count = 0;
 
 #define X509_NAME_MAXLEN 256
 
-/* RAND_* APIs got added to OpenSSL in 0.9.5 */
-#if OPENSSL_VERSION_NUMBER >= 0x0090500fL
-# define HAVE_OPENSSL_RAND 1
-#else
-# undef HAVE_OPENSSL_RAND
-#endif
-
 /* SSL_CTX_clear_options() and SSL_clear_options() were first added in
  * OpenSSL 0.9.8m but do not appear in some 0.9.9-dev versions such the
  * 0.9.9 from "May 2008" that NetBSD 5.0 uses. */
@@ -181,36 +180,18 @@ static unsigned int _ssl_locks_count = 0;
  * older SSL, but let's be safe */
 #define PySSL_CB_MAXLEN 128
 
-/* SSL_get_finished got added to OpenSSL in 0.9.5 */
-#if OPENSSL_VERSION_NUMBER >= 0x0090500fL
-# define HAVE_OPENSSL_FINISHED 1
-#else
-# define HAVE_OPENSSL_FINISHED 0
-#endif
-
-/* ECDH support got added to OpenSSL in 0.9.8 */
-#if OPENSSL_VERSION_NUMBER < 0x0090800fL && !defined(OPENSSL_NO_ECDH)
-# define OPENSSL_NO_ECDH
-#endif
-
-/* compression support got added to OpenSSL in 0.9.8 */
-#if OPENSSL_VERSION_NUMBER < 0x0090800fL && !defined(OPENSSL_NO_COMP)
-# define OPENSSL_NO_COMP
-#endif
-
-/* X509_VERIFY_PARAM got added to OpenSSL in 0.9.8 */
-#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
-# define HAVE_OPENSSL_VERIFY_PARAM
-#endif
-
 
 typedef struct {
     PyObject_HEAD
     SSL_CTX *ctx;
 #ifdef OPENSSL_NPN_NEGOTIATED
-    char *npn_protocols;
+    unsigned char *npn_protocols;
     int npn_protocols_len;
 #endif
+#ifdef HAVE_ALPN
+    unsigned char *alpn_protocols;
+    int alpn_protocols_len;
+#endif
 #ifndef OPENSSL_NO_TLSEXT
     PyObject *set_hostname;
 #endif
@@ -226,20 +207,29 @@ typedef struct {
     char shutdown_seen_zero;
     char handshake_done;
     enum py_ssl_server_or_client socket_type;
+    PyObject *owner; /* Python level "owner" passed to servername callback */
+    PyObject *server_hostname;
 } PySSLSocket;
 
+typedef struct {
+    PyObject_HEAD
+    BIO *bio;
+    int eof_written;
+} PySSLMemoryBIO;
+
 static PyTypeObject PySSLContext_Type;
 static PyTypeObject PySSLSocket_Type;
+static PyTypeObject PySSLMemoryBIO_Type;
 
 static PyObject *PySSL_SSLwrite(PySSLSocket *self, PyObject *args);
 static PyObject *PySSL_SSLread(PySSLSocket *self, PyObject *args);
-static int check_socket_and_wait_for_timeout(PySocketSockObject *s,
-                                             int writing);
+static int PySSL_select(PySocketSockObject *s, int writing, _PyTime_t timeout);
 static PyObject *PySSL_peercert(PySSLSocket *self, PyObject *args);
 static PyObject *PySSL_cipher(PySSLSocket *self);
 
 #define PySSLContext_Check(v)   (Py_TYPE(v) == &PySSLContext_Type)
 #define PySSLSocket_Check(v)    (Py_TYPE(v) == &PySSLSocket_Type)
+#define PySSLMemoryBIO_Check(v)    (Py_TYPE(v) == &PySSLMemoryBIO_Type)
 
 typedef enum {
     SOCKET_IS_NONBLOCKING,
@@ -251,11 +241,16 @@ typedef enum {
 } timeout_state;
 
 /* Wrap error strings with filename and line # */
-#define STRINGIFY1(x) #x
-#define STRINGIFY2(x) STRINGIFY1(x)
 #define ERRSTR1(x,y,z) (x ":" y ": " z)
-#define ERRSTR(x) ERRSTR1("_ssl.c", STRINGIFY2(__LINE__), x)
+#define ERRSTR(x) ERRSTR1("_ssl.c", Py_STRINGIFY(__LINE__), x)
+
+/* Get the socket from a PySSLSocket, if it has one */
+#define GET_SOCKET(obj) ((obj)->Socket ? \
+    (PySocketSockObject *) PyWeakref_GetObject((obj)->Socket) : NULL)
 
+/* If sock is NULL, use a timeout of 0 second */
+#define GET_SOCKET_TIMEOUT(sock) \
+    ((sock != NULL) ? (sock)->sock_timeout : 0)
 
 /*
  * SSL errors.
@@ -419,13 +414,12 @@ PySSL_SetError(PySSLSocket *obj, int ret, char *filename, int lineno)
         case SSL_ERROR_SYSCALL:
         {
             if (e == 0) {
-                PySocketSockObject *s
-                  = (PySocketSockObject *) PyWeakref_GetObject(obj->Socket);
+                PySocketSockObject *s = GET_SOCKET(obj);
                 if (ret == 0 || (((PyObject *)s) == Py_None)) {
                     p = PY_SSL_ERROR_EOF;
                     type = PySSLEOFErrorObject;
                     errstr = "EOF occurred in violation of protocol";
-                } else if (ret == -1) {
+                } else if (s && ret == -1) {
                     /* underlying BIO reported an I/O error */
                     Py_INCREF(s);
                     ERR_clear_error();
@@ -479,10 +473,12 @@ _setSSLError (char *errstr, int errcode, char *filename, int lineno) {
 static PySSLSocket *
 newPySSLSocket(PySSLContext *sslctx, PySocketSockObject *sock,
                enum py_ssl_server_or_client socket_type,
-               char *server_hostname)
+               char *server_hostname,
+               PySSLMemoryBIO *inbio, PySSLMemoryBIO *outbio)
 {
     PySSLSocket *self;
     SSL_CTX *ctx = sslctx->ctx;
+    PyObject *hostname;
     long mode;
 
     self = PyObject_New(PySSLSocket, &PySSLSocket_Type);
@@ -495,6 +491,18 @@ newPySSLSocket(PySSLContext *sslctx, PySocketSockObject *sock,
     self->ctx = sslctx;
     self->shutdown_seen_zero = 0;
     self->handshake_done = 0;
+    self->owner = NULL;
+    if (server_hostname != NULL) {
+        hostname = PyUnicode_Decode(server_hostname, strlen(server_hostname),
+                                   "idna", "strict");
+        if (hostname == NULL) {
+            Py_DECREF(self);
+            return NULL;
+        }
+        self->server_hostname = hostname;
+    } else
+        self->server_hostname = NULL;
+
     Py_INCREF(sslctx);
 
     /* Make sure the SSL error state is initialized */
@@ -504,8 +512,17 @@ newPySSLSocket(PySSLContext *sslctx, PySocketSockObject *sock,
     PySSL_BEGIN_ALLOW_THREADS
     self->ssl = SSL_new(ctx);
     PySSL_END_ALLOW_THREADS
-    SSL_set_app_data(self->ssl,self);
-    SSL_set_fd(self->ssl, Py_SAFE_DOWNCAST(sock->sock_fd, SOCKET_T, int));
+    SSL_set_app_data(self->ssl, self);
+    if (sock) {
+        SSL_set_fd(self->ssl, Py_SAFE_DOWNCAST(sock->sock_fd, SOCKET_T, int));
+    } else {
+        /* BIOs are reference counted and SSL_set_bio borrows our reference.
+         * To prevent a double free in memory_bio_dealloc() we need to take an
+         * extra reference here. */
+        CRYPTO_add(&inbio->bio->references, 1, CRYPTO_LOCK_BIO);
+        CRYPTO_add(&outbio->bio->references, 1, CRYPTO_LOCK_BIO);
+        SSL_set_bio(self->ssl, inbio->bio, outbio->bio);
+    }
     mode = SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER;
 #ifdef SSL_MODE_AUTO_RETRY
     mode |= SSL_MODE_AUTO_RETRY;
@@ -520,7 +537,7 @@ newPySSLSocket(PySSLContext *sslctx, PySocketSockObject *sock,
     /* If the socket is in non-blocking mode or timeout mode, set the BIO
      * to non-blocking mode (blocking is the default)
      */
-    if (sock->sock_timeout >= 0.0) {
+    if (sock && sock->sock_timeout >= 0) {
         BIO_set_nbio(SSL_get_rbio(self->ssl), 1);
         BIO_set_nbio(SSL_get_wbio(self->ssl), 1);
     }
@@ -533,10 +550,13 @@ newPySSLSocket(PySSLContext *sslctx, PySocketSockObject *sock,
     PySSL_END_ALLOW_THREADS
 
     self->socket_type = socket_type;
-    self->Socket = PyWeakref_NewRef((PyObject *) sock, NULL);
-    if (self->Socket == NULL) {
-        Py_DECREF(self);
-        return NULL;
+    if (sock != NULL) {
+        self->Socket = PyWeakref_NewRef((PyObject *) sock, NULL);
+        if (self->Socket == NULL) {
+            Py_DECREF(self);
+            Py_XDECREF(self->server_hostname);
+            return NULL;
+        }
     }
     return self;
 }
@@ -548,20 +568,28 @@ static PyObject *PySSL_SSLdo_handshake(PySSLSocket *self)
     int ret;
     int err;
     int sockstate, nonblocking;
-    PySocketSockObject *sock
-      = (PySocketSockObject *) PyWeakref_GetObject(self->Socket);
+    PySocketSockObject *sock = GET_SOCKET(self);
+    _PyTime_t timeout, deadline = 0;
+    int has_timeout;
+
+    if (sock) {
+        if (((PyObject*)sock) == Py_None) {
+            _setSSLError("Underlying socket connection gone",
+                         PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
+            return NULL;
+        }
+        Py_INCREF(sock);
 
-    if (((PyObject*)sock) == Py_None) {
-        _setSSLError("Underlying socket connection gone",
-                     PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
-        return NULL;
+        /* just in case the blocking state of the socket has been changed */
+        nonblocking = (sock->sock_timeout >= 0);
+        BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
+        BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
     }
-    Py_INCREF(sock);
 
-    /* just in case the blocking state of the socket has been changed */
-    nonblocking = (sock->sock_timeout >= 0.0);
-    BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
-    BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
+    timeout = GET_SOCKET_TIMEOUT(sock);
+    has_timeout = (timeout > 0);
+    if (has_timeout)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
 
     /* Actually negotiate SSL connection */
     /* XXX If SSL_do_handshake() returns 0, it's also a failure. */
@@ -570,15 +598,21 @@ static PyObject *PySSL_SSLdo_handshake(PySSLSocket *self)
         ret = SSL_do_handshake(self->ssl);
         err = SSL_get_error(self->ssl, ret);
         PySSL_END_ALLOW_THREADS
+
         if (PyErr_CheckSignals())
             goto error;
+
+        if (has_timeout)
+            timeout = deadline - _PyTime_GetMonotonicClock();
+
         if (err == SSL_ERROR_WANT_READ) {
-            sockstate = check_socket_and_wait_for_timeout(sock, 0);
+            sockstate = PySSL_select(sock, 0, timeout);
         } else if (err == SSL_ERROR_WANT_WRITE) {
-            sockstate = check_socket_and_wait_for_timeout(sock, 1);
+            sockstate = PySSL_select(sock, 1, timeout);
         } else {
             sockstate = SOCKET_OPERATION_OK;
         }
+
         if (sockstate == SOCKET_HAS_TIMED_OUT) {
             PyErr_SetString(PySocketModule.timeout_error,
                             ERRSTR("The handshake operation timed out"));
@@ -595,7 +629,7 @@ static PyObject *PySSL_SSLdo_handshake(PySSLSocket *self)
             break;
         }
     } while (err == SSL_ERROR_WANT_READ || err == SSL_ERROR_WANT_WRITE);
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     if (ret < 1)
         return PySSL_SetError(self, ret, __FILE__, __LINE__);
 
@@ -610,7 +644,7 @@ static PyObject *PySSL_SSLdo_handshake(PySSLSocket *self)
     return Py_None;
 
 error:
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     return NULL;
 }
 
@@ -779,12 +813,7 @@ _get_peer_alt_names (X509 *certificate) {
     char buf[2048];
     char *vptr;
     int len;
-    /* Issue #2973: ASN1_item_d2i() API changed in OpenSSL 0.9.6m */
-#if OPENSSL_VERSION_NUMBER >= 0x009060dfL
     const unsigned char *p;
-#else
-    unsigned char *p;
-#endif
 
     if (certificate == NULL)
         return peer_alt_names;
@@ -1356,54 +1385,96 @@ If the optional argument is True, returns a DER-encoded copy of the\n\
 peer certificate, or None if no certificate was provided.  This will\n\
 return the certificate even if it wasn't validated.");
 
-static PyObject *PySSL_cipher (PySSLSocket *self) {
-
-    PyObject *retval, *v;
-    const SSL_CIPHER *current;
-    char *cipher_name;
-    char *cipher_protocol;
-
-    if (self->ssl == NULL)
-        Py_RETURN_NONE;
-    current = SSL_get_current_cipher(self->ssl);
-    if (current == NULL)
-        Py_RETURN_NONE;
-
-    retval = PyTuple_New(3);
+static PyObject *
+cipher_to_tuple(const SSL_CIPHER *cipher)
+{
+    const char *cipher_name, *cipher_protocol;
+    PyObject *v, *retval = PyTuple_New(3);
     if (retval == NULL)
         return NULL;
 
-    cipher_name = (char *) SSL_CIPHER_get_name(current);
+    cipher_name = SSL_CIPHER_get_name(cipher);
     if (cipher_name == NULL) {
         Py_INCREF(Py_None);
         PyTuple_SET_ITEM(retval, 0, Py_None);
     } else {
         v = PyUnicode_FromString(cipher_name);
         if (v == NULL)
-            goto fail0;
+            goto fail;
         PyTuple_SET_ITEM(retval, 0, v);
     }
-    cipher_protocol = (char *) SSL_CIPHER_get_version(current);
+
+    cipher_protocol = SSL_CIPHER_get_version(cipher);
     if (cipher_protocol == NULL) {
         Py_INCREF(Py_None);
         PyTuple_SET_ITEM(retval, 1, Py_None);
     } else {
         v = PyUnicode_FromString(cipher_protocol);
         if (v == NULL)
-            goto fail0;
+            goto fail;
         PyTuple_SET_ITEM(retval, 1, v);
     }
-    v = PyLong_FromLong(SSL_CIPHER_get_bits(current, NULL));
+
+    v = PyLong_FromLong(SSL_CIPHER_get_bits(cipher, NULL));
     if (v == NULL)
-        goto fail0;
+        goto fail;
     PyTuple_SET_ITEM(retval, 2, v);
+
     return retval;
 
-  fail0:
+  fail:
     Py_DECREF(retval);
     return NULL;
 }
 
+static PyObject *PySSL_shared_ciphers(PySSLSocket *self)
+{
+    SSL_SESSION *sess = SSL_get_session(self->ssl);
+    STACK_OF(SSL_CIPHER) *ciphers;
+    int i;
+    PyObject *res;
+
+    if (!sess || !sess->ciphers)
+        Py_RETURN_NONE;
+    ciphers = sess->ciphers;
+    res = PyList_New(sk_SSL_CIPHER_num(ciphers));
+    if (!res)
+        return NULL;
+    for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
+        PyObject *tup = cipher_to_tuple(sk_SSL_CIPHER_value(ciphers, i));
+        if (!tup) {
+            Py_DECREF(res);
+            return NULL;
+        }
+        PyList_SET_ITEM(res, i, tup);
+    }
+    return res;
+}
+
+static PyObject *PySSL_cipher (PySSLSocket *self)
+{
+    const SSL_CIPHER *current;
+
+    if (self->ssl == NULL)
+        Py_RETURN_NONE;
+    current = SSL_get_current_cipher(self->ssl);
+    if (current == NULL)
+        Py_RETURN_NONE;
+    return cipher_to_tuple(current);
+}
+
+static PyObject *PySSL_version(PySSLSocket *self)
+{
+    const char *version;
+
+    if (self->ssl == NULL)
+        Py_RETURN_NONE;
+    version = SSL_get_version(self->ssl);
+    if (!strcmp(version, "unknown"))
+        Py_RETURN_NONE;
+    return PyUnicode_FromString(version);
+}
+
 #ifdef OPENSSL_NPN_NEGOTIATED
 static PyObject *PySSL_selected_npn_protocol(PySSLSocket *self) {
     const unsigned char *out;
@@ -1414,7 +1485,20 @@ static PyObject *PySSL_selected_npn_protocol(PySSLSocket *self) {
 
     if (out == NULL)
         Py_RETURN_NONE;
-    return PyUnicode_FromStringAndSize((char *) out, outlen);
+    return PyUnicode_FromStringAndSize((char *)out, outlen);
+}
+#endif
+
+#ifdef HAVE_ALPN
+static PyObject *PySSL_selected_alpn_protocol(PySSLSocket *self) {
+    const unsigned char *out;
+    unsigned int outlen;
+
+    SSL_get0_alpn_selected(self->ssl, &out, &outlen);
+
+    if (out == NULL)
+        Py_RETURN_NONE;
+    return PyUnicode_FromStringAndSize((char *)out, outlen);
 }
 #endif
 
@@ -1473,6 +1557,54 @@ on the SSLContext to change the certificate information associated with the\n\
 SSLSocket before the cryptographic exchange handshake messages\n");
 
 
+static PyObject *
+PySSL_get_server_side(PySSLSocket *self, void *c)
+{
+    return PyBool_FromLong(self->socket_type == PY_SSL_SERVER);
+}
+
+PyDoc_STRVAR(PySSL_get_server_side_doc,
+"Whether this is a server-side socket.");
+
+static PyObject *
+PySSL_get_server_hostname(PySSLSocket *self, void *c)
+{
+    if (self->server_hostname == NULL)
+        Py_RETURN_NONE;
+    Py_INCREF(self->server_hostname);
+    return self->server_hostname;
+}
+
+PyDoc_STRVAR(PySSL_get_server_hostname_doc,
+"The currently set server hostname (for SNI).");
+
+static PyObject *
+PySSL_get_owner(PySSLSocket *self, void *c)
+{
+    PyObject *owner;
+
+    if (self->owner == NULL)
+        Py_RETURN_NONE;
+
+    owner = PyWeakref_GetObject(self->owner);
+    Py_INCREF(owner);
+    return owner;
+}
+
+static int
+PySSL_set_owner(PySSLSocket *self, PyObject *value, void *c)
+{
+    Py_XDECREF(self->owner);
+    self->owner = PyWeakref_NewRef(value, NULL);
+    if (self->owner == NULL)
+        return -1;
+    return 0;
+}
+
+PyDoc_STRVAR(PySSL_get_owner_doc,
+"The Python-level owner of this object.\
+Passed as \"self\" in servername callback.");
+
 
 static void PySSL_dealloc(PySSLSocket *self)
 {
@@ -1482,6 +1614,8 @@ static void PySSL_dealloc(PySSLSocket *self)
         SSL_free(self->ssl);
     Py_XDECREF(self->Socket);
     Py_XDECREF(self->ctx);
+    Py_XDECREF(self->server_hostname);
+    Py_XDECREF(self->owner);
     PyObject_Del(self);
 }
 
@@ -1491,17 +1625,27 @@ static void PySSL_dealloc(PySSLSocket *self)
  */
 
 static int
-check_socket_and_wait_for_timeout(PySocketSockObject *s, int writing)
+PySSL_select(PySocketSockObject *s, int writing, _PyTime_t timeout)
 {
+    int rc;
+#ifdef HAVE_POLL
+    struct pollfd pollfd;
+    _PyTime_t ms;
+#else
+    int nfds;
     fd_set fds;
     struct timeval tv;
-    int rc;
+#endif
 
     /* Nothing to do unless we're in timeout mode (not non-blocking) */
-    if (s->sock_timeout < 0.0)
-        return SOCKET_IS_BLOCKING;
-    else if (s->sock_timeout == 0.0)
+    if ((s == NULL) || (timeout == 0))
         return SOCKET_IS_NONBLOCKING;
+    else if (timeout < 0) {
+        if (s->sock_timeout > 0)
+            return SOCKET_HAS_TIMED_OUT;
+        else
+            return SOCKET_IS_BLOCKING;
+    }
 
     /* Guard against closed socket */
     if (s->sock_fd < 0)
@@ -1510,46 +1654,36 @@ check_socket_and_wait_for_timeout(PySocketSockObject *s, int writing)
     /* Prefer poll, if available, since you can poll() any fd
      * which can't be done with select(). */
 #ifdef HAVE_POLL
-    {
-        struct pollfd pollfd;
-        int timeout;
-
-        pollfd.fd = s->sock_fd;
-        pollfd.events = writing ? POLLOUT : POLLIN;
-
-        /* s->sock_timeout is in seconds, timeout in ms */
-        timeout = (int)(s->sock_timeout * 1000 + 0.5);
-        PySSL_BEGIN_ALLOW_THREADS
-        rc = poll(&pollfd, 1, timeout);
-        PySSL_END_ALLOW_THREADS
+    pollfd.fd = s->sock_fd;
+    pollfd.events = writing ? POLLOUT : POLLIN;
 
-        goto normal_return;
-    }
-#endif
+    /* timeout is in seconds, poll() uses milliseconds */
+    ms = (int)_PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+    assert(ms <= INT_MAX);
 
+    PySSL_BEGIN_ALLOW_THREADS
+    rc = poll(&pollfd, 1, (int)ms);
+    PySSL_END_ALLOW_THREADS
+#else
     /* Guard against socket too large for select*/
     if (!_PyIsSelectable_fd(s->sock_fd))
         return SOCKET_TOO_LARGE_FOR_SELECT;
 
-    /* Construct the arguments to select */
-    tv.tv_sec = (int)s->sock_timeout;
-    tv.tv_usec = (int)((s->sock_timeout - tv.tv_sec) * 1e6);
+    _PyTime_AsTimeval_noraise(timeout, &tv, _PyTime_ROUND_CEILING);
+
     FD_ZERO(&fds);
     FD_SET(s->sock_fd, &fds);
 
-    /* See if the socket is ready */
+    /* Wait until the socket becomes ready */
     PySSL_BEGIN_ALLOW_THREADS
+    nfds = Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int);
     if (writing)
-        rc = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
-                    NULL, &fds, NULL, &tv);
+        rc = select(nfds, NULL, &fds, NULL, &tv);
     else
-        rc = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
-                    &fds, NULL, NULL, &tv);
+        rc = select(nfds, &fds, NULL, NULL, &tv);
     PySSL_END_ALLOW_THREADS
-
-#ifdef HAVE_POLL
-normal_return:
 #endif
+
     /* Return SOCKET_TIMED_OUT on timeout, SOCKET_OPERATION_OK otherwise
        (when we are able to write or when there's something to read) */
     return rc == 0 ? SOCKET_HAS_TIMED_OUT : SOCKET_OPERATION_OK;
@@ -1562,18 +1696,21 @@ static PyObject *PySSL_SSLwrite(PySSLSocket *self, PyObject *args)
     int sockstate;
     int err;
     int nonblocking;
-    PySocketSockObject *sock
-      = (PySocketSockObject *) PyWeakref_GetObject(self->Socket);
-
-    if (((PyObject*)sock) == Py_None) {
-        _setSSLError("Underlying socket connection gone",
-                     PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
-        return NULL;
+    PySocketSockObject *sock = GET_SOCKET(self);
+    _PyTime_t timeout, deadline = 0;
+    int has_timeout;
+
+    if (sock != NULL) {
+        if (((PyObject*)sock) == Py_None) {
+            _setSSLError("Underlying socket connection gone",
+                         PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
+            return NULL;
+        }
+        Py_INCREF(sock);
     }
-    Py_INCREF(sock);
 
     if (!PyArg_ParseTuple(args, "y*:write", &buf)) {
-        Py_DECREF(sock);
+        Py_XDECREF(sock);
         return NULL;
     }
 
@@ -1583,12 +1720,19 @@ static PyObject *PySSL_SSLwrite(PySSLSocket *self, PyObject *args)
         goto error;
     }
 
-    /* just in case the blocking state of the socket has been changed */
-    nonblocking = (sock->sock_timeout >= 0.0);
-    BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
-    BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
+    if (sock != NULL) {
+        /* just in case the blocking state of the socket has been changed */
+        nonblocking = (sock->sock_timeout >= 0);
+        BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
+        BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
+    }
+
+    timeout = GET_SOCKET_TIMEOUT(sock);
+    has_timeout = (timeout > 0);
+    if (has_timeout)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
 
-    sockstate = check_socket_and_wait_for_timeout(sock, 1);
+    sockstate = PySSL_select(sock, 1, timeout);
     if (sockstate == SOCKET_HAS_TIMED_OUT) {
         PyErr_SetString(PySocketModule.timeout_error,
                         "The write operation timed out");
@@ -1602,21 +1746,27 @@ static PyObject *PySSL_SSLwrite(PySSLSocket *self, PyObject *args)
                         "Underlying socket too large for select().");
         goto error;
     }
+
     do {
         PySSL_BEGIN_ALLOW_THREADS
         len = SSL_write(self->ssl, buf.buf, (int)buf.len);
         err = SSL_get_error(self->ssl, len);
         PySSL_END_ALLOW_THREADS
-        if (PyErr_CheckSignals()) {
+
+        if (PyErr_CheckSignals())
             goto error;
-        }
+
+        if (has_timeout)
+            timeout = deadline - _PyTime_GetMonotonicClock();
+
         if (err == SSL_ERROR_WANT_READ) {
-            sockstate = check_socket_and_wait_for_timeout(sock, 0);
+            sockstate = PySSL_select(sock, 0, timeout);
         } else if (err == SSL_ERROR_WANT_WRITE) {
-            sockstate = check_socket_and_wait_for_timeout(sock, 1);
+            sockstate = PySSL_select(sock, 1, timeout);
         } else {
             sockstate = SOCKET_OPERATION_OK;
         }
+
         if (sockstate == SOCKET_HAS_TIMED_OUT) {
             PyErr_SetString(PySocketModule.timeout_error,
                             "The write operation timed out");
@@ -1630,7 +1780,7 @@ static PyObject *PySSL_SSLwrite(PySSLSocket *self, PyObject *args)
         }
     } while (err == SSL_ERROR_WANT_READ || err == SSL_ERROR_WANT_WRITE);
 
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     PyBuffer_Release(&buf);
     if (len > 0)
         return PyLong_FromLong(len);
@@ -1638,7 +1788,7 @@ static PyObject *PySSL_SSLwrite(PySSLSocket *self, PyObject *args)
         return PySSL_SetError(self, len, __FILE__, __LINE__);
 
 error:
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     PyBuffer_Release(&buf);
     return NULL;
 }
@@ -1678,15 +1828,18 @@ static PyObject *PySSL_SSLread(PySSLSocket *self, PyObject *args)
     int sockstate;
     int err;
     int nonblocking;
-    PySocketSockObject *sock
-      = (PySocketSockObject *) PyWeakref_GetObject(self->Socket);
-
-    if (((PyObject*)sock) == Py_None) {
-        _setSSLError("Underlying socket connection gone",
-                     PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
-        return NULL;
+    PySocketSockObject *sock = GET_SOCKET(self);
+    _PyTime_t timeout, deadline = 0;
+    int has_timeout;
+
+    if (sock != NULL) {
+        if (((PyObject*)sock) == Py_None) {
+            _setSSLError("Underlying socket connection gone",
+                         PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
+            return NULL;
+        }
+        Py_INCREF(sock);
     }
-    Py_INCREF(sock);
 
     buf.obj = NULL;
     buf.buf = NULL;
@@ -1712,31 +1865,43 @@ static PyObject *PySSL_SSLread(PySSLSocket *self, PyObject *args)
         }
     }
 
-    /* just in case the blocking state of the socket has been changed */
-    nonblocking = (sock->sock_timeout >= 0.0);
-    BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
-    BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
+    if (sock != NULL) {
+        /* just in case the blocking state of the socket has been changed */
+        nonblocking = (sock->sock_timeout >= 0);
+        BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
+        BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
+    }
+
+    timeout = GET_SOCKET_TIMEOUT(sock);
+    has_timeout = (timeout > 0);
+    if (has_timeout)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
 
     do {
         PySSL_BEGIN_ALLOW_THREADS
         count = SSL_read(self->ssl, mem, len);
         err = SSL_get_error(self->ssl, count);
         PySSL_END_ALLOW_THREADS
+
         if (PyErr_CheckSignals())
             goto error;
+
+        if (has_timeout)
+            timeout = deadline - _PyTime_GetMonotonicClock();
+
         if (err == SSL_ERROR_WANT_READ) {
-            sockstate = check_socket_and_wait_for_timeout(sock, 0);
+            sockstate = PySSL_select(sock, 0, timeout);
         } else if (err == SSL_ERROR_WANT_WRITE) {
-            sockstate = check_socket_and_wait_for_timeout(sock, 1);
-        } else if ((err == SSL_ERROR_ZERO_RETURN) &&
-                   (SSL_get_shutdown(self->ssl) ==
-                    SSL_RECEIVED_SHUTDOWN))
+            sockstate = PySSL_select(sock, 1, timeout);
+        } else if (err == SSL_ERROR_ZERO_RETURN &&
+                   SSL_get_shutdown(self->ssl) == SSL_RECEIVED_SHUTDOWN)
         {
             count = 0;
             goto done;
-        } else {
-            sockstate = SOCKET_OPERATION_OK;
         }
+        else
+            sockstate = SOCKET_OPERATION_OK;
+
         if (sockstate == SOCKET_HAS_TIMED_OUT) {
             PyErr_SetString(PySocketModule.timeout_error,
                             "The read operation timed out");
@@ -1745,13 +1910,14 @@ static PyObject *PySSL_SSLread(PySSLSocket *self, PyObject *args)
             break;
         }
     } while (err == SSL_ERROR_WANT_READ || err == SSL_ERROR_WANT_WRITE);
+
     if (count <= 0) {
         PySSL_SetError(self, count, __FILE__, __LINE__);
         goto error;
     }
 
 done:
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     if (!buf_passed) {
         _PyBytes_Resize(&dest, count);
         return dest;
@@ -1762,7 +1928,7 @@ done:
     }
 
 error:
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     if (!buf_passed)
         Py_XDECREF(dest);
     else
@@ -1779,21 +1945,29 @@ static PyObject *PySSL_SSLshutdown(PySSLSocket *self)
 {
     int err, ssl_err, sockstate, nonblocking;
     int zeros = 0;
-    PySocketSockObject *sock
-      = (PySocketSockObject *) PyWeakref_GetObject(self->Socket);
+    PySocketSockObject *sock = GET_SOCKET(self);
+    _PyTime_t timeout, deadline = 0;
+    int has_timeout;
+
+    if (sock != NULL) {
+        /* Guard against closed socket */
+        if ((((PyObject*)sock) == Py_None) || (sock->sock_fd < 0)) {
+            _setSSLError("Underlying socket connection gone",
+                         PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
+            return NULL;
+        }
+        Py_INCREF(sock);
 
-    /* Guard against closed socket */
-    if ((((PyObject*)sock) == Py_None) || (sock->sock_fd < 0)) {
-        _setSSLError("Underlying socket connection gone",
-                     PY_SSL_ERROR_NO_SOCKET, __FILE__, __LINE__);
-        return NULL;
+        /* Just in case the blocking state of the socket has been changed */
+        nonblocking = (sock->sock_timeout >= 0);
+        BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
+        BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
     }
-    Py_INCREF(sock);
 
-    /* Just in case the blocking state of the socket has been changed */
-    nonblocking = (sock->sock_timeout >= 0.0);
-    BIO_set_nbio(SSL_get_rbio(self->ssl), nonblocking);
-    BIO_set_nbio(SSL_get_wbio(self->ssl), nonblocking);
+    timeout = GET_SOCKET_TIMEOUT(sock);
+    has_timeout = (timeout > 0);
+    if (has_timeout)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
 
     while (1) {
         PySSL_BEGIN_ALLOW_THREADS
@@ -1809,6 +1983,7 @@ static PyObject *PySSL_SSLshutdown(PySSLSocket *self)
             SSL_set_read_ahead(self->ssl, 0);
         err = SSL_shutdown(self->ssl);
         PySSL_END_ALLOW_THREADS
+
         /* If err == 1, a secure shutdown with SSL_shutdown() is complete */
         if (err > 0)
             break;
@@ -1823,14 +1998,18 @@ static PyObject *PySSL_SSLshutdown(PySSLSocket *self)
             continue;
         }
 
+        if (has_timeout)
+            timeout = deadline - _PyTime_GetMonotonicClock();
+
         /* Possibly retry shutdown until timeout or failure */
         ssl_err = SSL_get_error(self->ssl, err);
         if (ssl_err == SSL_ERROR_WANT_READ)
-            sockstate = check_socket_and_wait_for_timeout(sock, 0);
+            sockstate = PySSL_select(sock, 0, timeout);
         else if (ssl_err == SSL_ERROR_WANT_WRITE)
-            sockstate = check_socket_and_wait_for_timeout(sock, 1);
+            sockstate = PySSL_select(sock, 1, timeout);
         else
             break;
+
         if (sockstate == SOCKET_HAS_TIMED_OUT) {
             if (ssl_err == SSL_ERROR_WANT_READ)
                 PyErr_SetString(PySocketModule.timeout_error,
@@ -1851,15 +2030,17 @@ static PyObject *PySSL_SSLshutdown(PySSLSocket *self)
     }
 
     if (err < 0) {
-        Py_DECREF(sock);
+        Py_XDECREF(sock);
         return PySSL_SetError(self, err, __FILE__, __LINE__);
     }
-    else
+    if (sock)
         /* It's already INCREF'ed */
         return (PyObject *) sock;
+    else
+        Py_RETURN_NONE;
 
 error:
-    Py_DECREF(sock);
+    Py_XDECREF(sock);
     return NULL;
 }
 
@@ -1869,7 +2050,6 @@ PyDoc_STRVAR(PySSL_SSLshutdown_doc,
 Does the SSL shutdown handshake with the remote end, and returns\n\
 the underlying socket object.");
 
-#if HAVE_OPENSSL_FINISHED
 static PyObject *
 PySSL_tls_unique_cb(PySSLSocket *self)
 {
@@ -1902,11 +2082,15 @@ Returns the 'tls-unique' channel binding data, as defined by RFC 5929.\n\
 \n\
 If the TLS handshake is not yet complete, None is returned");
 
-#endif /* HAVE_OPENSSL_FINISHED */
-
 static PyGetSetDef ssl_getsetlist[] = {
     {"context", (getter) PySSL_get_context,
                 (setter) PySSL_set_context, PySSL_set_context_doc},
+    {"server_side", (getter) PySSL_get_server_side, NULL,
+                    PySSL_get_server_side_doc},
+    {"server_hostname", (getter) PySSL_get_server_hostname, NULL,
+                        PySSL_get_server_hostname_doc},
+    {"owner", (getter) PySSL_get_owner, (setter) PySSL_set_owner,
+              PySSL_get_owner_doc},
     {NULL},            /* sentinel */
 };
 
@@ -1921,16 +2105,19 @@ static PyMethodDef PySSLMethods[] = {
     {"peer_certificate", (PyCFunction)PySSL_peercert, METH_VARARGS,
      PySSL_peercert_doc},
     {"cipher", (PyCFunction)PySSL_cipher, METH_NOARGS},
+    {"shared_ciphers", (PyCFunction)PySSL_shared_ciphers, METH_NOARGS},
+    {"version", (PyCFunction)PySSL_version, METH_NOARGS},
 #ifdef OPENSSL_NPN_NEGOTIATED
     {"selected_npn_protocol", (PyCFunction)PySSL_selected_npn_protocol, METH_NOARGS},
 #endif
+#ifdef HAVE_ALPN
+    {"selected_alpn_protocol", (PyCFunction)PySSL_selected_alpn_protocol, METH_NOARGS},
+#endif
     {"compression", (PyCFunction)PySSL_compression, METH_NOARGS},
     {"shutdown", (PyCFunction)PySSL_SSLshutdown, METH_NOARGS,
      PySSL_SSLshutdown_doc},
-#if HAVE_OPENSSL_FINISHED
     {"tls_unique_cb", (PyCFunction)PySSL_tls_unique_cb, METH_NOARGS,
      PySSL_tls_unique_cb_doc},
-#endif
     {NULL, NULL}
 };
 
@@ -2031,6 +2218,9 @@ context_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 #ifdef OPENSSL_NPN_NEGOTIATED
     self->npn_protocols = NULL;
 #endif
+#ifdef HAVE_ALPN
+    self->alpn_protocols = NULL;
+#endif
 #ifndef OPENSSL_NO_TLSEXT
     self->set_hostname = NULL;
 #endif
@@ -2099,7 +2289,10 @@ context_dealloc(PySSLContext *self)
     context_clear(self);
     SSL_CTX_free(self->ctx);
 #ifdef OPENSSL_NPN_NEGOTIATED
-    PyMem_Free(self->npn_protocols);
+    PyMem_FREE(self->npn_protocols);
+#endif
+#ifdef HAVE_ALPN
+    PyMem_FREE(self->alpn_protocols);
 #endif
     Py_TYPE(self)->tp_free(self);
 }
@@ -2126,6 +2319,30 @@ set_ciphers(PySSLContext *self, PyObject *args)
 }
 
 #ifdef OPENSSL_NPN_NEGOTIATED
+static int
+do_protocol_selection(int alpn, unsigned char **out, unsigned char *outlen,
+                      const unsigned char *server_protocols, unsigned int server_protocols_len,
+                      const unsigned char *client_protocols, unsigned int client_protocols_len)
+{
+    int ret;
+    if (client_protocols == NULL) {
+        client_protocols = (unsigned char *)"";
+        client_protocols_len = 0;
+    }
+    if (server_protocols == NULL) {
+        server_protocols = (unsigned char *)"";
+        server_protocols_len = 0;
+    }
+
+    ret = SSL_select_next_proto(out, outlen,
+                                server_protocols, server_protocols_len,
+                                client_protocols, client_protocols_len);
+    if (alpn && ret != OPENSSL_NPN_NEGOTIATED)
+        return SSL_TLSEXT_ERR_NOACK;
+
+    return SSL_TLSEXT_ERR_OK;
+}
+
 /* this callback gets passed to SSL_CTX_set_next_protos_advertise_cb */
 static int
 _advertiseNPN_cb(SSL *s,
@@ -2135,10 +2352,10 @@ _advertiseNPN_cb(SSL *s,
     PySSLContext *ssl_ctx = (PySSLContext *) args;
 
     if (ssl_ctx->npn_protocols == NULL) {
-        *data = (unsigned char *) "";
+        *data = (unsigned char *)"";
         *len = 0;
     } else {
-        *data = (unsigned char *) ssl_ctx->npn_protocols;
+        *data = ssl_ctx->npn_protocols;
         *len = ssl_ctx->npn_protocols_len;
     }
 
@@ -2151,23 +2368,9 @@ _selectNPN_cb(SSL *s,
               const unsigned char *server, unsigned int server_len,
               void *args)
 {
-    PySSLContext *ssl_ctx = (PySSLContext *) args;
-
-    unsigned char *client = (unsigned char *) ssl_ctx->npn_protocols;
-    int client_len;
-
-    if (client == NULL) {
-        client = (unsigned char *) "";
-        client_len = 0;
-    } else {
-        client_len = ssl_ctx->npn_protocols_len;
-    }
-
-    SSL_select_next_proto(out, outlen,
-                          server, server_len,
-                          client, client_len);
-
-    return SSL_TLSEXT_ERR_OK;
+    PySSLContext *ctx = (PySSLContext *)args;
+    return do_protocol_selection(0, out, outlen, server, server_len,
+                                 ctx->npn_protocols, ctx->npn_protocols_len);
 }
 #endif
 
@@ -2210,6 +2413,50 @@ _set_npn_protocols(PySSLContext *self, PyObject *args)
 #endif
 }
 
+#ifdef HAVE_ALPN
+static int
+_selectALPN_cb(SSL *s,
+              const unsigned char **out, unsigned char *outlen,
+              const unsigned char *client_protocols, unsigned int client_protocols_len,
+              void *args)
+{
+    PySSLContext *ctx = (PySSLContext *)args;
+    return do_protocol_selection(1, (unsigned char **)out, outlen,
+                                 ctx->alpn_protocols, ctx->alpn_protocols_len,
+                                 client_protocols, client_protocols_len);
+}
+#endif
+
+static PyObject *
+_set_alpn_protocols(PySSLContext *self, PyObject *args)
+{
+#ifdef HAVE_ALPN
+    Py_buffer protos;
+
+    if (!PyArg_ParseTuple(args, "y*:set_npn_protocols", &protos))
+        return NULL;
+
+    PyMem_FREE(self->alpn_protocols);
+    self->alpn_protocols = PyMem_Malloc(protos.len);
+    if (!self->alpn_protocols)
+        return PyErr_NoMemory();
+    memcpy(self->alpn_protocols, protos.buf, protos.len);
+    self->alpn_protocols_len = protos.len;
+    PyBuffer_Release(&protos);
+
+    if (SSL_CTX_set_alpn_protos(self->ctx, self->alpn_protocols, self->alpn_protocols_len))
+        return PyErr_NoMemory();
+    SSL_CTX_set_alpn_select_cb(self->ctx, _selectALPN_cb, self);
+
+    PyBuffer_Release(&protos);
+    Py_RETURN_NONE;
+#else
+    PyErr_SetString(PyExc_NotImplementedError,
+                    "The ALPN extension requires OpenSSL 1.0.2 or later.");
+    return NULL;
+#endif
+}
+
 static PyObject *
 get_verify_mode(PySSLContext *self, void *c)
 {
@@ -2253,7 +2500,6 @@ set_verify_mode(PySSLContext *self, PyObject *arg, void *c)
     return 0;
 }
 
-#ifdef HAVE_OPENSSL_VERIFY_PARAM
 static PyObject *
 get_verify_flags(PySSLContext *self, void *c)
 {
@@ -2291,7 +2537,6 @@ set_verify_flags(PySSLContext *self, PyObject *arg, void *c)
     }
     return 0;
 }
-#endif
 
 static PyObject *
 get_options(PySSLContext *self, void *c)
@@ -2750,11 +2995,9 @@ load_dh_params(PySSLContext *self, PyObject *filepath)
     DH *dh;
 
     f = _Py_fopen_obj(filepath, "rb");
-    if (f == NULL) {
-        if (!PyErr_Occurred())
-            PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, filepath);
+    if (f == NULL)
         return NULL;
-    }
+
     errno = 0;
     PySSL_BEGIN_ALLOW_THREADS
     dh = PEM_read_DHparams(f, NULL, NULL, NULL);
@@ -2799,14 +3042,43 @@ context_wrap_socket(PySSLContext *self, PyObject *args, PyObject *kwds)
             return NULL;
     }
 
-    res = (PyObject *) newPySSLSocket(self, sock, server_side,
-                                      hostname);
+    res = (PyObject *) newPySSLSocket(self, sock, server_side, hostname,
+                                      NULL, NULL);
     if (hostname != NULL)
         PyMem_Free(hostname);
     return res;
 }
 
 static PyObject *
+context_wrap_bio(PySSLContext *self, PyObject *args, PyObject *kwds)
+{
+    char *kwlist[] = {"incoming", "outgoing", "server_side",
+                      "server_hostname", NULL};
+    int server_side;
+    char *hostname = NULL;
+    PyObject *hostname_obj = Py_None, *res;
+    PySSLMemoryBIO *incoming, *outgoing;
+
+    /* server_hostname is either None (or absent), or to be encoded
+       using the idna encoding. */
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!O!i|O:_wrap_bio", kwlist,
+                                     &PySSLMemoryBIO_Type, &incoming,
+                                     &PySSLMemoryBIO_Type, &outgoing,
+                                     &server_side, &hostname_obj))
+        return NULL;
+    if (hostname_obj != Py_None) {
+        if (!PyArg_Parse(hostname_obj, "et", "idna", &hostname))
+            return NULL;
+    }
+
+    res = (PyObject *) newPySSLSocket(self, NULL, server_side, hostname,
+                                      incoming, outgoing);
+
+    PyMem_Free(hostname);
+    return res;
+}
+
+static PyObject *
 session_stats(PySSLContext *self, PyObject *unused)
 {
     int r;
@@ -2912,11 +3184,25 @@ _servername_callback(SSL *s, int *al, void *args)
 
     ssl = SSL_get_app_data(s);
     assert(PySSLSocket_Check(ssl));
-    ssl_socket = PyWeakref_GetObject(ssl->Socket);
+
+    /* The servername callback expects a argument that represents the current
+     * SSL connection and that has a .context attribute that can be changed to
+     * identify the requested hostname. Since the official API is the Python
+     * level API we want to pass the callback a Python level object rather than
+     * a _ssl.SSLSocket instance. If there's an "owner" (typically an
+     * SSLObject) that will be passed. Otherwise if there's a socket then that
+     * will be passed. If both do not exist only then the C-level object is
+     * passed. */
+    if (ssl->owner)
+        ssl_socket = PyWeakref_GetObject(ssl->owner);
+    else if (ssl->Socket)
+        ssl_socket = PyWeakref_GetObject(ssl->Socket);
+    else
+        ssl_socket = (PyObject *) ssl;
+
     Py_INCREF(ssl_socket);
-    if (ssl_socket == Py_None) {
+    if (ssl_socket == Py_None)
         goto error;
-    }
 
     if (servername == NULL) {
         result = PyObject_CallFunctionObjArgs(ssl_ctx->set_hostname, ssl_socket,
@@ -3133,10 +3419,8 @@ static PyGetSetDef context_getsetlist[] = {
                        (setter) set_check_hostname, NULL},
     {"options", (getter) get_options,
                 (setter) set_options, NULL},
-#ifdef HAVE_OPENSSL_VERIFY_PARAM
     {"verify_flags", (getter) get_verify_flags,
                      (setter) set_verify_flags, NULL},
-#endif
     {"verify_mode", (getter) get_verify_mode,
                     (setter) set_verify_mode, NULL},
     {NULL},            /* sentinel */
@@ -3145,8 +3429,12 @@ static PyGetSetDef context_getsetlist[] = {
 static struct PyMethodDef context_methods[] = {
     {"_wrap_socket", (PyCFunction) context_wrap_socket,
                        METH_VARARGS | METH_KEYWORDS, NULL},
+    {"_wrap_bio", (PyCFunction) context_wrap_bio,
+                  METH_VARARGS | METH_KEYWORDS, NULL},
     {"set_ciphers", (PyCFunction) set_ciphers,
                     METH_VARARGS, NULL},
+    {"_set_alpn_protocols", (PyCFunction) _set_alpn_protocols,
+                           METH_VARARGS, NULL},
     {"_set_npn_protocols", (PyCFunction) _set_npn_protocols,
                            METH_VARARGS, NULL},
     {"load_cert_chain", (PyCFunction) load_cert_chain,
@@ -3214,25 +3502,246 @@ static PyTypeObject PySSLContext_Type = {
 };
 
 
+/*
+ * MemoryBIO objects
+ */
+
+static PyObject *
+memory_bio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+    char *kwlist[] = {NULL};
+    BIO *bio;
+    PySSLMemoryBIO *self;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, ":MemoryBIO", kwlist))
+        return NULL;
+
+    bio = BIO_new(BIO_s_mem());
+    if (bio == NULL) {
+        PyErr_SetString(PySSLErrorObject,
+                        "failed to allocate BIO");
+        return NULL;
+    }
+    /* Since our BIO is non-blocking an empty read() does not indicate EOF,
+     * just that no data is currently available. The SSL routines should retry
+     * the read, which we can achieve by calling BIO_set_retry_read(). */
+    BIO_set_retry_read(bio);
+    BIO_set_mem_eof_return(bio, -1);
+
+    assert(type != NULL && type->tp_alloc != NULL);
+    self = (PySSLMemoryBIO *) type->tp_alloc(type, 0);
+    if (self == NULL) {
+        BIO_free(bio);
+        return NULL;
+    }
+    self->bio = bio;
+    self->eof_written = 0;
+
+    return (PyObject *) self;
+}
+
+static void
+memory_bio_dealloc(PySSLMemoryBIO *self)
+{
+    BIO_free(self->bio);
+    Py_TYPE(self)->tp_free(self);
+}
+
+static PyObject *
+memory_bio_get_pending(PySSLMemoryBIO *self, void *c)
+{
+    return PyLong_FromLong(BIO_ctrl_pending(self->bio));
+}
+
+PyDoc_STRVAR(PySSL_memory_bio_pending_doc,
+"The number of bytes pending in the memory BIO.");
+
+static PyObject *
+memory_bio_get_eof(PySSLMemoryBIO *self, void *c)
+{
+    return PyBool_FromLong((BIO_ctrl_pending(self->bio) == 0)
+                           && self->eof_written);
+}
+
+PyDoc_STRVAR(PySSL_memory_bio_eof_doc,
+"Whether the memory BIO is at EOF.");
+
+static PyObject *
+memory_bio_read(PySSLMemoryBIO *self, PyObject *args)
+{
+    int len = -1, avail, nbytes;
+    PyObject *result;
+
+    if (!PyArg_ParseTuple(args, "|i:read", &len))
+        return NULL;
+
+    avail = BIO_ctrl_pending(self->bio);
+    if ((len < 0) || (len > avail))
+        len = avail;
+
+    result = PyBytes_FromStringAndSize(NULL, len);
+    if ((result == NULL) || (len == 0))
+        return result;
+
+    nbytes = BIO_read(self->bio, PyBytes_AS_STRING(result), len);
+    /* There should never be any short reads but check anyway. */
+    if ((nbytes < len) && (_PyBytes_Resize(&result, len) < 0)) {
+        Py_DECREF(result);
+        return NULL;
+    }
+
+    return result;
+}
+
+PyDoc_STRVAR(PySSL_memory_bio_read_doc,
+"read([len]) -> bytes\n\
+\n\
+Read up to len bytes from the memory BIO.\n\
+\n\
+If len is not specified, read the entire buffer.\n\
+If the return value is an empty bytes instance, this means either\n\
+EOF or that no data is available. Use the \"eof\" property to\n\
+distinguish between the two.");
+
+static PyObject *
+memory_bio_write(PySSLMemoryBIO *self, PyObject *args)
+{
+    Py_buffer buf;
+    int nbytes;
+
+    if (!PyArg_ParseTuple(args, "y*:write", &buf))
+        return NULL;
+
+    if (buf.len > INT_MAX) {
+        PyErr_Format(PyExc_OverflowError,
+                     "string longer than %d bytes", INT_MAX);
+        goto error;
+    }
+
+    if (self->eof_written) {
+        PyErr_SetString(PySSLErrorObject,
+                        "cannot write() after write_eof()");
+        goto error;
+    }
+
+    nbytes = BIO_write(self->bio, buf.buf, buf.len);
+    if (nbytes < 0) {
+        _setSSLError(NULL, 0, __FILE__, __LINE__);
+        goto error;
+    }
+
+    PyBuffer_Release(&buf);
+    return PyLong_FromLong(nbytes);
+
+error:
+    PyBuffer_Release(&buf);
+    return NULL;
+}
+
+PyDoc_STRVAR(PySSL_memory_bio_write_doc,
+"write(b) -> len\n\
+\n\
+Writes the bytes b into the memory BIO. Returns the number\n\
+of bytes written.");
+
+static PyObject *
+memory_bio_write_eof(PySSLMemoryBIO *self, PyObject *args)
+{
+    self->eof_written = 1;
+    /* After an EOF is written, a zero return from read() should be a real EOF
+     * i.e. it should not be retried. Clear the SHOULD_RETRY flag. */
+    BIO_clear_retry_flags(self->bio);
+    BIO_set_mem_eof_return(self->bio, 0);
+
+    Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(PySSL_memory_bio_write_eof_doc,
+"write_eof()\n\
+\n\
+Write an EOF marker to the memory BIO.\n\
+When all data has been read, the \"eof\" property will be True.");
+
+static PyGetSetDef memory_bio_getsetlist[] = {
+    {"pending", (getter) memory_bio_get_pending, NULL,
+                PySSL_memory_bio_pending_doc},
+    {"eof", (getter) memory_bio_get_eof, NULL,
+            PySSL_memory_bio_eof_doc},
+    {NULL},            /* sentinel */
+};
+
+static struct PyMethodDef memory_bio_methods[] = {
+    {"read", (PyCFunction) memory_bio_read,
+             METH_VARARGS, PySSL_memory_bio_read_doc},
+    {"write", (PyCFunction) memory_bio_write,
+              METH_VARARGS, PySSL_memory_bio_write_doc},
+    {"write_eof", (PyCFunction) memory_bio_write_eof,
+                  METH_NOARGS, PySSL_memory_bio_write_eof_doc},
+    {NULL, NULL}        /* sentinel */
+};
+
+static PyTypeObject PySSLMemoryBIO_Type = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "_ssl.MemoryBIO",                         /*tp_name*/
+    sizeof(PySSLMemoryBIO),                    /*tp_basicsize*/
+    0,                                         /*tp_itemsize*/
+    (destructor)memory_bio_dealloc,            /*tp_dealloc*/
+    0,                                         /*tp_print*/
+    0,                                         /*tp_getattr*/
+    0,                                         /*tp_setattr*/
+    0,                                         /*tp_reserved*/
+    0,                                         /*tp_repr*/
+    0,                                         /*tp_as_number*/
+    0,                                         /*tp_as_sequence*/
+    0,                                         /*tp_as_mapping*/
+    0,                                         /*tp_hash*/
+    0,                                         /*tp_call*/
+    0,                                         /*tp_str*/
+    0,                                         /*tp_getattro*/
+    0,                                         /*tp_setattro*/
+    0,                                         /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT,                        /*tp_flags*/
+    0,                                         /*tp_doc*/
+    0,                                         /*tp_traverse*/
+    0,                                         /*tp_clear*/
+    0,                                         /*tp_richcompare*/
+    0,                                         /*tp_weaklistoffset*/
+    0,                                         /*tp_iter*/
+    0,                                         /*tp_iternext*/
+    memory_bio_methods,                        /*tp_methods*/
+    0,                                         /*tp_members*/
+    memory_bio_getsetlist,                     /*tp_getset*/
+    0,                                         /*tp_base*/
+    0,                                         /*tp_dict*/
+    0,                                         /*tp_descr_get*/
+    0,                                         /*tp_descr_set*/
+    0,                                         /*tp_dictoffset*/
+    0,                                         /*tp_init*/
+    0,                                         /*tp_alloc*/
+    memory_bio_new,                            /*tp_new*/
+};
 
-#ifdef HAVE_OPENSSL_RAND
 
 /* helper routines for seeding the SSL PRNG */
 static PyObject *
 PySSL_RAND_add(PyObject *self, PyObject *args)
 {
-    char *buf;
+    Py_buffer view;
+    const char *buf;
     Py_ssize_t len, written;
     double entropy;
 
-    if (!PyArg_ParseTuple(args, "s#d:RAND_add", &buf, &len, &entropy))
+    if (!PyArg_ParseTuple(args, "s*d:RAND_add", &view, &entropy))
         return NULL;
+    buf = (const char *)view.buf;
+    len = view.len;
     do {
         written = Py_MIN(len, INT_MAX);
         RAND_add(buf, (int)written, entropy);
         buf += written;
         len -= written;
     } while (len);
+    PyBuffer_Release(&view);
     Py_INCREF(Py_None);
     return Py_None;
 }
@@ -3354,8 +3863,6 @@ Returns number of bytes read.  Raises SSLError if connection to EGD\n\
 fails or if it does not provide enough data to seed PRNG.");
 #endif /* HAVE_RAND_EGD */
 
-#endif /* HAVE_OPENSSL_RAND */
-
 
 PyDoc_STRVAR(PySSL_get_default_verify_paths_doc,
 "get_default_verify_paths() -> tuple\n\
@@ -3741,7 +4248,6 @@ PySSL_enum_crls(PyObject *self, PyObject *args, PyObject *kwds)
 static PyMethodDef PySSL_methods[] = {
     {"_test_decode_cert",       PySSL_test_decode_certificate,
      METH_VARARGS},
-#ifdef HAVE_OPENSSL_RAND
     {"RAND_add",            PySSL_RAND_add, METH_VARARGS,
      PySSL_RAND_add_doc},
     {"RAND_bytes",          PySSL_RAND_bytes, METH_VARARGS,
@@ -3754,7 +4260,6 @@ static PyMethodDef PySSL_methods[] = {
 #endif
     {"RAND_status",         (PyCFunction)PySSL_RAND_status, METH_NOARGS,
      PySSL_RAND_status_doc},
-#endif
     {"get_default_verify_paths", (PyCFunction)PySSL_get_default_verify_paths,
      METH_NOARGS, PySSL_get_default_verify_paths_doc},
 #ifdef _MSC_VER
@@ -3906,6 +4411,8 @@ PyInit__ssl(void)
         return NULL;
     if (PyType_Ready(&PySSLSocket_Type) < 0)
         return NULL;
+    if (PyType_Ready(&PySSLMemoryBIO_Type) < 0)
+        return NULL;
 
     m = PyModule_Create(&_sslmodule);
     if (m == NULL)
@@ -3969,6 +4476,9 @@ PyInit__ssl(void)
     if (PyDict_SetItemString(d, "_SSLSocket",
                              (PyObject *)&PySSLSocket_Type) != 0)
         return NULL;
+    if (PyDict_SetItemString(d, "MemoryBIO",
+                             (PyObject *)&PySSLMemoryBIO_Type) != 0)
+        return NULL;
     PyModule_AddIntConstant(m, "SSL_ERROR_ZERO_RETURN",
                             PY_SSL_ERROR_ZERO_RETURN);
     PyModule_AddIntConstant(m, "SSL_ERROR_WANT_READ",
@@ -4109,11 +4619,7 @@ PyInit__ssl(void)
     Py_INCREF(r);
     PyModule_AddObject(m, "HAS_SNI", r);
 
-#if HAVE_OPENSSL_FINISHED
     r = Py_True;
-#else
-    r = Py_False;
-#endif
     Py_INCREF(r);
     PyModule_AddObject(m, "HAS_TLS_UNIQUE", r);
 
@@ -4133,6 +4639,14 @@ PyInit__ssl(void)
     Py_INCREF(r);
     PyModule_AddObject(m, "HAS_NPN", r);
 
+#ifdef HAVE_ALPN
+    r = Py_True;
+#else
+    r = Py_False;
+#endif
+    Py_INCREF(r);
+    PyModule_AddObject(m, "HAS_ALPN", r);
+
     /* Mappings for error codes */
     err_codes_to_names = PyDict_New();
     err_names_to_codes = PyDict_New();
diff --git a/Modules/_stat.c b/Modules/_stat.c
index a301fa8..f6cb303 100644
--- a/Modules/_stat.c
+++ b/Modules/_stat.c
@@ -27,9 +27,21 @@ extern "C" {
 #endif /* HAVE_SYS_STAT_H */
 
 #ifdef MS_WINDOWS
+#include <windows.h>
 typedef unsigned short mode_t;
+
+/* FILE_ATTRIBUTE_INTEGRITY_STREAM and FILE_ATTRIBUTE_NO_SCRUB_DATA
+   are not present in VC2010, so define them manually */
+#ifndef FILE_ATTRIBUTE_INTEGRITY_STREAM
+#  define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x8000
+#endif
+
+#ifndef FILE_ATTRIBUTE_NO_SCRUB_DATA
+#  define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x20000
 #endif
 
+#endif /* MS_WINDOWS */
+
 /* From Python's stat.py */
 #ifndef S_IMODE
 #  define S_IMODE 07777
@@ -473,6 +485,10 @@ ST_SIZE\n\
 ST_ATIME\n\
 ST_MTIME\n\
 ST_CTIME\n\
+\n"
+
+"FILE_ATTRIBUTE_*: Windows file attribute constants\n\
+                   (only present on Windows)\n\
 ");
 
 
@@ -555,6 +571,26 @@ PyInit__stat(void)
     if (PyModule_AddIntConstant(m, "ST_MTIME", 8)) return NULL;
     if (PyModule_AddIntConstant(m, "ST_CTIME", 9)) return NULL;
 
+#ifdef MS_WINDOWS
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_ARCHIVE)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_COMPRESSED)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_DEVICE)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_DIRECTORY)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_ENCRYPTED)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_HIDDEN)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_INTEGRITY_STREAM)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_NORMAL)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_NO_SCRUB_DATA)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_OFFLINE)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_READONLY)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_REPARSE_POINT)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_SPARSE_FILE)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_SYSTEM)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_TEMPORARY)) return NULL;
+    if (PyModule_AddIntMacro(m, FILE_ATTRIBUTE_VIRTUAL)) return NULL;
+#endif
+
     return m;
 }
 
diff --git a/Modules/_struct.c b/Modules/_struct.c
index ad9959e..068c5d1 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -85,8 +85,6 @@ typedef struct { char c; _Bool x; } s_bool;
 #define BOOL_ALIGN 0
 #endif
 
-#define STRINGIFY(x)    #x
-
 #ifdef __powerc
 #pragma options align=reset
 #endif
@@ -546,8 +544,8 @@ np_short(char *p, PyObject *v, const formatdef *f)
         return -1;
     if (x < SHRT_MIN || x > SHRT_MAX){
         PyErr_SetString(StructError,
-                        "short format requires " STRINGIFY(SHRT_MIN)
-                        " <= number <= " STRINGIFY(SHRT_MAX));
+                        "short format requires " Py_STRINGIFY(SHRT_MIN)
+                        " <= number <= " Py_STRINGIFY(SHRT_MAX));
         return -1;
     }
     y = (short)x;
@@ -564,7 +562,8 @@ np_ushort(char *p, PyObject *v, const formatdef *f)
         return -1;
     if (x < 0 || x > USHRT_MAX){
         PyErr_SetString(StructError,
-                        "ushort format requires 0 <= number <= " STRINGIFY(USHRT_MAX));
+                        "ushort format requires 0 <= number <= "
+                        Py_STRINGIFY(USHRT_MAX));
         return -1;
     }
     y = (unsigned short)x;
@@ -1264,7 +1263,8 @@ prepare_s(PyStructObject *self)
     const char *s;
     const char *fmt;
     char c;
-    Py_ssize_t size, len, ncodes, num, itemsize;
+    Py_ssize_t size, len, num, itemsize;
+    size_t ncodes;
 
     fmt = PyBytes_AS_STRING(self->s_format);
 
@@ -1320,7 +1320,7 @@ prepare_s(PyStructObject *self)
     }
 
     /* check for overflow */
-    if ((ncodes + 1) > (PY_SSIZE_T_MAX / sizeof(formatcode))) {
+    if ((ncodes + 1) > ((size_t)PY_SSIZE_T_MAX / sizeof(formatcode))) {
         PyErr_NoMemory();
         return -1;
     }
diff --git a/Modules/_testbuffer.c b/Modules/_testbuffer.c
index 176df7c..43db8a8 100644
--- a/Modules/_testbuffer.c
+++ b/Modules/_testbuffer.c
@@ -190,7 +190,7 @@ ndbuf_delete(NDArrayObject *nd, ndbuf_t *elt)
         elt->prev->next = elt->next;
     else
         nd->head = elt->next;
-    
+
     if (elt->next)
         elt->next->prev = elt->prev;
 
@@ -767,7 +767,7 @@ out:
   +-----------------+-----------+-------------+----------------+
   | base.readonly   |     0     |     OK      |       OK       |
   +-----------------+-----------+-------------+----------------+
-  | base.format     |    NULL   |     OK      |       OK       |  
+  | base.format     |    NULL   |     OK      |       OK       |
   +-----------------+-----------+-------------+----------------+
   | base.ndim       |     1     |      1      |       OK       |
   +-----------------+-----------+-------------+----------------+
@@ -1510,6 +1510,19 @@ ndarray_getbuf(NDArrayObject *self, Py_buffer *view, int flags)
         view->shape = NULL;
     }
 
+    /* Ascertain that the new buffer has the same contiguity as the exporter */
+    if (ND_C_CONTIGUOUS(baseflags) != PyBuffer_IsContiguous(view, 'C') ||
+        /* skip cast to 1-d */
+        (view->format != NULL && view->shape != NULL &&
+         ND_FORTRAN_CONTIGUOUS(baseflags) != PyBuffer_IsContiguous(view, 'F')) ||
+        /* cast to 1-d */
+        (view->format == NULL && view->shape == NULL &&
+         !PyBuffer_IsContiguous(view, 'F'))) {
+        PyErr_SetString(PyExc_BufferError,
+            "ndarray: contiguity mismatch in getbuf()");
+            return -1;
+    }
+
     view->obj = (PyObject *)self;
     Py_INCREF(view->obj);
     self->head->exports++;
@@ -2005,7 +2018,7 @@ ndarray_get_obj(NDArrayObject *self, void *closure)
 {
     Py_buffer *base = &self->head->base;
 
-    if (base->obj == NULL) { 
+    if (base->obj == NULL) {
         Py_RETURN_NONE;
     }
     Py_INCREF(base->obj);
@@ -2206,6 +2219,8 @@ ndarray_add_suboffsets(PyObject *self, PyObject *dummy)
     for (i = 0; i < base->ndim; i++)
         base->suboffsets[i] = -1;
 
+    nd->head->flags &= ~(ND_C|ND_FORTRAN);
+
     Py_RETURN_NONE;
 }
 
@@ -2469,13 +2484,12 @@ arraycmp(const Py_ssize_t *a1, const Py_ssize_t *a2, const Py_ssize_t *shape,
 {
     Py_ssize_t i;
 
-    if (ndim == 1 && shape && shape[0] == 1) {
-        /* This is for comparing strides: For example, the array
-           [175], shape=[1], strides=[-5] is considered contiguous. */
-        return 1;
-    }
 
     for (i = 0; i < ndim; i++) {
+        if (shape && shape[i] <= 1) {
+            /* strides can differ if the dimension is less than 2 */
+            continue;
+        }
         if (a1[i] != a2[i]) {
             return 0;
         }
@@ -2544,7 +2558,7 @@ result:
     PyBuffer_Release(&v1);
     PyBuffer_Release(&v2);
 
-    ret = equal ? Py_True : Py_False; 
+    ret = equal ? Py_True : Py_False;
     Py_INCREF(ret);
     return ret;
 }
@@ -2555,30 +2569,35 @@ is_contiguous(PyObject *self, PyObject *args)
     PyObject *obj;
     PyObject *order;
     PyObject *ret = NULL;
-    Py_buffer view;
+    Py_buffer view, *base;
     char ord;
 
     if (!PyArg_ParseTuple(args, "OO", &obj, &order)) {
         return NULL;
     }
 
-    if (PyObject_GetBuffer(obj, &view, PyBUF_FULL_RO) < 0) {
-        PyErr_SetString(PyExc_TypeError,
-            "is_contiguous: object does not implement the buffer "
-            "protocol");
+    ord = get_ascii_order(order);
+    if (ord == CHAR_MAX) {
         return NULL;
     }
 
-    ord = get_ascii_order(order);
-    if (ord == CHAR_MAX) {
-        goto release;
+    if (NDArray_Check(obj)) {
+        /* Skip the buffer protocol to check simple etc. buffers directly. */
+        base = &((NDArrayObject *)obj)->head->base;
+        ret = PyBuffer_IsContiguous(base, ord) ? Py_True : Py_False;
+    }
+    else {
+        if (PyObject_GetBuffer(obj, &view, PyBUF_FULL_RO) < 0) {
+            PyErr_SetString(PyExc_TypeError,
+                "is_contiguous: object does not implement the buffer "
+                "protocol");
+            return NULL;
+        }
+        ret = PyBuffer_IsContiguous(&view, ord) ? Py_True : Py_False;
+        PyBuffer_Release(&view);
     }
 
-    ret = PyBuffer_IsContiguous(&view, ord) ? Py_True : Py_False;
     Py_INCREF(ret);
-
-release:
-    PyBuffer_Release(&view);
     return ret;
 }
 
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index cf4b0e1..d77d1db 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -12,6 +12,11 @@
 #include "structmember.h"
 #include "datetime.h"
 #include "marshal.h"
+#include <signal.h>
+
+#ifdef MS_WINDOWS
+#  include <winsock2.h>         /* struct timeval */
+#endif
 
 #ifdef WITH_THREAD
 #include "pythread.h"
@@ -68,6 +73,10 @@ test_config(PyObject *self)
 static PyObject*
 test_sizeof_c_types(PyObject *self)
 {
+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wtype-limits"
+#endif
 #define CHECK_SIZEOF(TYPE, EXPECTED)         \
     if (EXPECTED != sizeof(TYPE))  {         \
         PyErr_Format(TestError,              \
@@ -125,6 +134,9 @@ test_sizeof_c_types(PyObject *self)
 #undef IS_SIGNED
 #undef CHECK_SIGNESS
 #undef CHECK_SIZEOF
+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))
+#pragma GCC diagnostic pop
+#endif
 }
 
 
@@ -1719,7 +1731,7 @@ test_long_numbits(PyObject *self)
              {-0xffffL, 16, -1},
              {0xfffffffL, 28, 1},
              {-0xfffffffL, 28, -1}};
-    int i;
+    size_t i;
 
     for (i = 0; i < Py_ARRAY_LENGTH(testcases); ++i) {
         size_t nbits;
@@ -2468,7 +2480,7 @@ make_memoryview_from_NULL_pointer(PyObject *self)
         return NULL;
     return PyMemoryView_FromBuffer(&info);
 }
- 
+
 static PyObject *
 test_from_contiguous(PyObject* self, PyObject *noargs)
 {
@@ -2519,6 +2531,58 @@ test_from_contiguous(PyObject* self, PyObject *noargs)
     Py_RETURN_NONE;
 }
 
+#if (defined(__linux__) || defined(__FreeBSD__)) && defined(__GNUC__)
+extern PyTypeObject _PyBytesIOBuffer_Type;
+
+static PyObject *
+test_pep3118_obsolete_write_locks(PyObject* self, PyObject *noargs)
+{
+    PyTypeObject *type = &_PyBytesIOBuffer_Type;
+    PyObject *b;
+    char *dummy[1];
+    int ret, match;
+
+    /* PyBuffer_FillInfo() */
+    ret = PyBuffer_FillInfo(NULL, NULL, dummy, 1, 0, PyBUF_SIMPLE);
+    match = PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_BufferError);
+    PyErr_Clear();
+    if (ret != -1 || match == 0)
+        goto error;
+
+    /* bytesiobuf_getbuffer() */
+    b = type->tp_alloc(type, 0);
+    if (b == NULL) {
+        return NULL;
+    }
+
+    ret = PyObject_GetBuffer(b, NULL, PyBUF_SIMPLE);
+    Py_DECREF(b);
+    match = PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_BufferError);
+    PyErr_Clear();
+    if (ret != -1 || match == 0)
+        goto error;
+
+    Py_RETURN_NONE;
+
+error:
+    PyErr_SetString(TestError,
+        "test_pep3118_obsolete_write_locks: failure");
+    return NULL;
+}
+#endif
+
+/* This tests functions that historically supported write locks.  It is
+   wrong to call getbuffer() with view==NULL and a compliant getbufferproc
+   is entitled to segfault in that case. */
+static PyObject *
+getbuffer_with_null_view(PyObject* self, PyObject *obj)
+{
+    if (PyObject_GetBuffer(obj, NULL, PyBUF_SIMPLE) < 0)
+        return NULL;
+
+    Py_RETURN_NONE;
+}
+
 /* Test that the fatal error from not having a current thread doesn't
    cause an infinite loop.  Run via Lib/test/test_capi.py */
 static PyObject *
@@ -2570,7 +2634,7 @@ run_in_subinterp(PyObject *self, PyObject *args)
 static int
 check_time_rounding(int round)
 {
-    if (round != _PyTime_ROUND_DOWN && round != _PyTime_ROUND_UP) {
+    if (round != _PyTime_ROUND_FLOOR && round != _PyTime_ROUND_CEILING) {
         PyErr_SetString(PyExc_ValueError, "invalid rounding");
         return -1;
     }
@@ -2703,6 +2767,21 @@ with_tp_del(PyObject *self, PyObject *args)
     return obj;
 }
 
+static PyMethodDef ml;
+
+static PyObject *
+create_cfunction(PyObject *self, PyObject *args)
+{
+    return PyCFunction_NewEx(&ml, self, NULL);
+}
+
+static PyMethodDef ml = {
+    "create_cfunction",
+    create_cfunction,
+    METH_NOARGS,
+    NULL
+};
+
 static PyObject *
 _test_incref(PyObject *ob)
 {
@@ -2761,6 +2840,20 @@ test_pymem_alloc0(PyObject *self)
 {
     void *ptr;
 
+    ptr = PyMem_RawMalloc(0);
+    if (ptr == NULL) {
+        PyErr_SetString(PyExc_RuntimeError, "PyMem_RawMalloc(0) returns NULL");
+        return NULL;
+    }
+    PyMem_RawFree(ptr);
+
+    ptr = PyMem_RawCalloc(0, 0);
+    if (ptr == NULL) {
+        PyErr_SetString(PyExc_RuntimeError, "PyMem_RawCalloc(0, 0) returns NULL");
+        return NULL;
+    }
+    PyMem_RawFree(ptr);
+
     ptr = PyMem_Malloc(0);
     if (ptr == NULL) {
         PyErr_SetString(PyExc_RuntimeError, "PyMem_Malloc(0) returns NULL");
@@ -2768,6 +2861,13 @@ test_pymem_alloc0(PyObject *self)
     }
     PyMem_Free(ptr);
 
+    ptr = PyMem_Calloc(0, 0);
+    if (ptr == NULL) {
+        PyErr_SetString(PyExc_RuntimeError, "PyMem_Calloc(0, 0) returns NULL");
+        return NULL;
+    }
+    PyMem_Free(ptr);
+
     ptr = PyObject_Malloc(0);
     if (ptr == NULL) {
         PyErr_SetString(PyExc_RuntimeError, "PyObject_Malloc(0) returns NULL");
@@ -2775,13 +2875,22 @@ test_pymem_alloc0(PyObject *self)
     }
     PyObject_Free(ptr);
 
+    ptr = PyObject_Calloc(0, 0);
+    if (ptr == NULL) {
+        PyErr_SetString(PyExc_RuntimeError, "PyObject_Calloc(0, 0) returns NULL");
+        return NULL;
+    }
+    PyObject_Free(ptr);
+
     Py_RETURN_NONE;
 }
 
 typedef struct {
-    PyMemAllocator alloc;
+    PyMemAllocatorEx alloc;
 
     size_t malloc_size;
+    size_t calloc_nelem;
+    size_t calloc_elsize;
     void *realloc_ptr;
     size_t realloc_new_size;
     void *free_ptr;
@@ -2794,6 +2903,14 @@ static void* hook_malloc (void* ctx, size_t size)
     return hook->alloc.malloc(hook->alloc.ctx, size);
 }
 
+static void* hook_calloc (void* ctx, size_t nelem, size_t elsize)
+{
+    alloc_hook_t *hook = (alloc_hook_t *)ctx;
+    hook->calloc_nelem = nelem;
+    hook->calloc_elsize = elsize;
+    return hook->alloc.calloc(hook->alloc.ctx, nelem, elsize);
+}
+
 static void* hook_realloc (void* ctx, void* ptr, size_t new_size)
 {
     alloc_hook_t *hook = (alloc_hook_t *)ctx;
@@ -2815,17 +2932,15 @@ test_setallocators(PyMemAllocatorDomain domain)
     PyObject *res = NULL;
     const char *error_msg;
     alloc_hook_t hook;
-    PyMemAllocator alloc;
-    size_t size, size2;
+    PyMemAllocatorEx alloc;
+    size_t size, size2, nelem, elsize;
     void *ptr, *ptr2;
 
-    hook.malloc_size = 0;
-    hook.realloc_ptr = NULL;
-    hook.realloc_new_size = 0;
-    hook.free_ptr = NULL;
+    memset(&hook, 0, sizeof(hook));
 
     alloc.ctx = &hook;
     alloc.malloc = &hook_malloc;
+    alloc.calloc = &hook_calloc;
     alloc.realloc = &hook_realloc;
     alloc.free = &hook_free;
     PyMem_GetAllocator(domain, &hook.alloc);
@@ -2882,6 +2997,33 @@ test_setallocators(PyMemAllocatorDomain domain)
         goto fail;
     }
 
+    nelem = 2;
+    elsize = 5;
+    switch(domain)
+    {
+    case PYMEM_DOMAIN_RAW: ptr = PyMem_RawCalloc(nelem, elsize); break;
+    case PYMEM_DOMAIN_MEM: ptr = PyMem_Calloc(nelem, elsize); break;
+    case PYMEM_DOMAIN_OBJ: ptr = PyObject_Calloc(nelem, elsize); break;
+    default: ptr = NULL; break;
+    }
+
+    if (ptr == NULL) {
+        error_msg = "calloc failed";
+        goto fail;
+    }
+
+    if (hook.calloc_nelem != nelem || hook.calloc_elsize != elsize) {
+        error_msg = "calloc invalid nelem or elsize";
+        goto fail;
+    }
+
+    switch(domain)
+    {
+    case PYMEM_DOMAIN_RAW: PyMem_RawFree(ptr); break;
+    case PYMEM_DOMAIN_MEM: PyMem_Free(ptr); break;
+    case PYMEM_DOMAIN_OBJ: PyObject_Free(ptr); break;
+    }
+
     Py_INCREF(Py_None);
     res = Py_None;
     goto finally;
@@ -2941,6 +3083,12 @@ PyDoc_STRVAR(docstring_with_signature,
 "This docstring has a valid signature."
 );
 
+PyDoc_STRVAR(docstring_with_signature_but_no_doc,
+"docstring_with_signature_but_no_doc($module, /, sig)\n"
+"--\n"
+"\n"
+);
+
 PyDoc_STRVAR(docstring_with_signature_and_extra_newlines,
 "docstring_with_signature_and_extra_newlines($module, /, parameter)\n"
 "--\n"
@@ -3051,6 +3199,24 @@ exit:
 }
 #endif   /* WITH_THREAD */
 
+static PyObject*
+test_raise_signal(PyObject* self, PyObject *args)
+{
+    int signum, err;
+
+    if (PyArg_ParseTuple(args, "i:raise_signal", &signum) < 0)
+        return NULL;
+
+    err = raise(signum);
+    if (err)
+        return PyErr_SetFromErrno(PyExc_OSError);
+
+    if (PyErr_CheckSignals() < 0)
+        return NULL;
+
+    Py_RETURN_NONE;
+}
+
 /* marshal */
 
 static PyObject*
@@ -3204,6 +3370,142 @@ pymarshal_read_object_from_file(PyObject* self, PyObject *args)
     return Py_BuildValue("Nl", obj, pos);
 }
 
+static PyObject*
+return_null_without_error(PyObject *self, PyObject *args)
+{
+    /* invalid call: return NULL without setting an error,
+     * _Py_CheckFunctionResult() must detect such bug at runtime. */
+    PyErr_Clear();
+    return NULL;
+}
+
+static PyObject*
+return_result_with_error(PyObject *self, PyObject *args)
+{
+    /* invalid call: return a result with an error set,
+     * _Py_CheckFunctionResult() must detect such bug at runtime. */
+    PyErr_SetNone(PyExc_ValueError);
+    Py_RETURN_NONE;
+}
+
+static PyObject *
+test_pytime_fromseconds(PyObject *self, PyObject *args)
+{
+    int seconds;
+    _PyTime_t ts;
+
+    if (!PyArg_ParseTuple(args, "i", &seconds))
+        return NULL;
+    ts = _PyTime_FromSeconds(seconds);
+    return _PyTime_AsNanosecondsObject(ts);
+}
+
+static PyObject *
+test_pytime_fromsecondsobject(PyObject *self, PyObject *args)
+{
+    PyObject *obj;
+    int round;
+    _PyTime_t ts;
+
+    if (!PyArg_ParseTuple(args, "Oi", &obj, &round))
+        return NULL;
+    if (check_time_rounding(round) < 0)
+        return NULL;
+    if (_PyTime_FromSecondsObject(&ts, obj, round) == -1)
+        return NULL;
+    return _PyTime_AsNanosecondsObject(ts);
+}
+
+static PyObject *
+test_pytime_assecondsdouble(PyObject *self, PyObject *args)
+{
+    PY_LONG_LONG ns;
+    _PyTime_t ts;
+    double d;
+
+    if (!PyArg_ParseTuple(args, "L", &ns))
+        return NULL;
+    ts = _PyTime_FromNanoseconds(ns);
+    d = _PyTime_AsSecondsDouble(ts);
+    return PyFloat_FromDouble(d);
+}
+
+static PyObject *
+test_PyTime_AsTimeval(PyObject *self, PyObject *args)
+{
+    PY_LONG_LONG ns;
+    int round;
+    _PyTime_t t;
+    struct timeval tv;
+    PyObject *seconds;
+
+    if (!PyArg_ParseTuple(args, "Li", &ns, &round))
+        return NULL;
+    if (check_time_rounding(round) < 0)
+        return NULL;
+    t = _PyTime_FromNanoseconds(ns);
+    if (_PyTime_AsTimeval(t, &tv, round) < 0)
+        return NULL;
+
+    seconds = PyLong_FromLong((PY_LONG_LONG)tv.tv_sec);
+    if (seconds == NULL)
+        return NULL;
+    return Py_BuildValue("Nl", seconds, tv.tv_usec);
+}
+
+#ifdef HAVE_CLOCK_GETTIME
+static PyObject *
+test_PyTime_AsTimespec(PyObject *self, PyObject *args)
+{
+    PY_LONG_LONG ns;
+    _PyTime_t t;
+    struct timespec ts;
+
+    if (!PyArg_ParseTuple(args, "L", &ns))
+        return NULL;
+    t = _PyTime_FromNanoseconds(ns);
+    if (_PyTime_AsTimespec(t, &ts) == -1)
+        return NULL;
+    return Py_BuildValue("Nl", _PyLong_FromTime_t(ts.tv_sec), ts.tv_nsec);
+}
+#endif
+
+static PyObject *
+test_PyTime_AsMilliseconds(PyObject *self, PyObject *args)
+{
+    PY_LONG_LONG ns;
+    int round;
+    _PyTime_t t, ms;
+
+    if (!PyArg_ParseTuple(args, "Li", &ns, &round))
+        return NULL;
+    if (check_time_rounding(round) < 0)
+        return NULL;
+    t = _PyTime_FromNanoseconds(ns);
+    ms = _PyTime_AsMilliseconds(t, round);
+    /* This conversion rely on the fact that _PyTime_t is a number of
+       nanoseconds */
+    return _PyTime_AsNanosecondsObject(ms);
+}
+
+static PyObject *
+test_PyTime_AsMicroseconds(PyObject *self, PyObject *args)
+{
+    PY_LONG_LONG ns;
+    int round;
+    _PyTime_t t, ms;
+
+    if (!PyArg_ParseTuple(args, "Li", &ns, &round))
+        return NULL;
+    if (check_time_rounding(round) < 0)
+        return NULL;
+    t = _PyTime_FromNanoseconds(ns);
+    ms = _PyTime_AsMicroseconds(t, round);
+    /* This conversion rely on the fact that _PyTime_t is a number of
+       nanoseconds */
+    return _PyTime_AsNanosecondsObject(ms);
+}
+
 
 static PyMethodDef TestMethods[] = {
     {"raise_exception",         raise_exception,                 METH_VARARGS},
@@ -3236,6 +3538,10 @@ static PyMethodDef TestMethods[] = {
     {"test_unicode_compare_with_ascii", (PyCFunction)test_unicode_compare_with_ascii, METH_NOARGS},
     {"test_capsule", (PyCFunction)test_capsule, METH_NOARGS},
     {"test_from_contiguous", (PyCFunction)test_from_contiguous, METH_NOARGS},
+#if (defined(__linux__) || defined(__FreeBSD__)) && defined(__GNUC__)
+    {"test_pep3118_obsolete_write_locks", (PyCFunction)test_pep3118_obsolete_write_locks, METH_NOARGS},
+#endif
+    {"getbuffer_with_null_view", getbuffer_with_null_view, METH_O},
     {"getargs_tuple",           getargs_tuple,                   METH_VARARGS},
     {"getargs_keywords", (PyCFunction)getargs_keywords,
       METH_VARARGS|METH_KEYWORDS},
@@ -3309,6 +3615,7 @@ static PyMethodDef TestMethods[] = {
     {"pytime_object_to_timeval", test_pytime_object_to_timeval,  METH_VARARGS},
     {"pytime_object_to_timespec", test_pytime_object_to_timespec,  METH_VARARGS},
     {"with_tp_del",             with_tp_del,                     METH_VARARGS},
+    {"create_cfunction",        create_cfunction,                METH_NOARGS},
     {"test_pymem_alloc0",
      (PyCFunction)test_pymem_alloc0, METH_NOARGS},
     {"test_pymem_setrawallocators",
@@ -3334,12 +3641,17 @@ static PyMethodDef TestMethods[] = {
     {"docstring_with_signature",
         (PyCFunction)test_with_docstring, METH_NOARGS,
         docstring_with_signature},
+    {"docstring_with_signature_but_no_doc",
+        (PyCFunction)test_with_docstring, METH_NOARGS,
+        docstring_with_signature_but_no_doc},
     {"docstring_with_signature_and_extra_newlines",
         (PyCFunction)test_with_docstring, METH_NOARGS,
         docstring_with_signature_and_extra_newlines},
     {"docstring_with_signature_with_defaults",
         (PyCFunction)test_with_docstring, METH_NOARGS,
         docstring_with_signature_with_defaults},
+    {"raise_signal",
+     (PyCFunction)test_raise_signal, METH_VARARGS},
 #ifdef WITH_THREAD
     {"call_in_temporary_c_thread", call_in_temporary_c_thread, METH_O,
      PyDoc_STR("set_error_class(error_class) -> None")},
@@ -3356,6 +3668,19 @@ static PyMethodDef TestMethods[] = {
         pymarshal_read_last_object_from_file, METH_VARARGS},
     {"pymarshal_read_object_from_file",
         pymarshal_read_object_from_file, METH_VARARGS},
+    {"return_null_without_error",
+        return_null_without_error, METH_NOARGS},
+    {"return_result_with_error",
+        return_result_with_error, METH_NOARGS},
+    {"PyTime_FromSeconds", test_pytime_fromseconds,  METH_VARARGS},
+    {"PyTime_FromSecondsObject", test_pytime_fromsecondsobject,  METH_VARARGS},
+    {"PyTime_AsSecondsDouble", test_pytime_assecondsdouble, METH_VARARGS},
+    {"PyTime_AsTimeval", test_PyTime_AsTimeval, METH_VARARGS},
+#ifdef HAVE_CLOCK_GETTIME
+    {"PyTime_AsTimespec", test_PyTime_AsTimespec, METH_VARARGS},
+#endif
+    {"PyTime_AsMilliseconds", test_PyTime_AsMilliseconds, METH_VARARGS},
+    {"PyTime_AsMicroseconds", test_PyTime_AsMicroseconds, METH_VARARGS},
     {NULL, NULL} /* sentinel */
 };
 
@@ -3515,6 +3840,109 @@ static PyTypeObject test_structmembersType = {
 };
 
 
+typedef struct {
+    PyObject_HEAD
+} matmulObject;
+
+static PyObject *
+matmulType_matmul(PyObject *self, PyObject *other)
+{
+    return Py_BuildValue("(sOO)", "matmul", self, other);
+}
+
+static PyObject *
+matmulType_imatmul(PyObject *self, PyObject *other)
+{
+    return Py_BuildValue("(sOO)", "imatmul", self, other);
+}
+
+static void
+matmulType_dealloc(PyObject *self)
+{
+    Py_TYPE(self)->tp_free(self);
+}
+
+static PyNumberMethods matmulType_as_number = {
+    0,                          /* nb_add */
+    0,                          /* nb_subtract */
+    0,                          /* nb_multiply */
+    0,                          /* nb_remainde r*/
+    0,                          /* nb_divmod */
+    0,                          /* nb_power */
+    0,                          /* nb_negative */
+    0,                          /* tp_positive */
+    0,                          /* tp_absolute */
+    0,                          /* tp_bool */
+    0,                          /* nb_invert */
+    0,                          /* nb_lshift */
+    0,                          /* nb_rshift */
+    0,                          /* nb_and */
+    0,                          /* nb_xor */
+    0,                          /* nb_or */
+    0,                          /* nb_int */
+    0,                          /* nb_reserved */
+    0,                          /* nb_float */
+    0,                          /* nb_inplace_add */
+    0,                          /* nb_inplace_subtract */
+    0,                          /* nb_inplace_multiply */
+    0,                          /* nb_inplace_remainder */
+    0,                          /* nb_inplace_power */
+    0,                          /* nb_inplace_lshift */
+    0,                          /* nb_inplace_rshift */
+    0,                          /* nb_inplace_and */
+    0,                          /* nb_inplace_xor */
+    0,                          /* nb_inplace_or */
+    0,                          /* nb_floor_divide */
+    0,                          /* nb_true_divide */
+    0,                          /* nb_inplace_floor_divide */
+    0,                          /* nb_inplace_true_divide */
+    0,                          /* nb_index */
+    matmulType_matmul,        /* nb_matrix_multiply */
+    matmulType_imatmul        /* nb_matrix_inplace_multiply */
+};
+
+static PyTypeObject matmulType = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "matmulType",
+    sizeof(matmulObject),               /* tp_basicsize */
+    0,                                  /* tp_itemsize */
+    matmulType_dealloc,                 /* destructor tp_dealloc */
+    0,                                  /* tp_print */
+    0,                                  /* tp_getattr */
+    0,                                  /* tp_setattr */
+    0,                                  /* tp_reserved */
+    0,                                  /* tp_repr */
+    &matmulType_as_number,              /* tp_as_number */
+    0,                                  /* tp_as_sequence */
+    0,                                  /* tp_as_mapping */
+    0,                                  /* tp_hash */
+    0,                                  /* tp_call */
+    0,                                  /* tp_str */
+    PyObject_GenericGetAttr,            /* tp_getattro */
+    PyObject_GenericSetAttr,            /* tp_setattro */
+    0,                                  /* tp_as_buffer */
+    0,                                  /* tp_flags */
+    "C level type with matrix operations defined",
+    0,                                  /* traverseproc tp_traverse */
+    0,                                  /* tp_clear */
+    0,                                  /* tp_richcompare */
+    0,                                  /* tp_weaklistoffset */
+    0,                                  /* tp_iter */
+    0,                                  /* tp_iternext */
+    0,                                  /* tp_methods */
+    0,                                  /* tp_members */
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    PyType_GenericNew,                  /* tp_new */
+    PyObject_Del,                       /* tp_free */
+};
+
 
 static struct PyModuleDef _testcapimodule = {
     PyModuleDef_HEAD_INIT,
@@ -3544,6 +3972,10 @@ PyInit__testcapi(void)
     /* don't use a name starting with "test", since we don't want
        test_capi to automatically call this */
     PyModule_AddObject(m, "_test_structmembersType", (PyObject *)&test_structmembersType);
+    if (PyType_Ready(&matmulType) < 0)
+        return NULL;
+    Py_INCREF(&matmulType);
+    PyModule_AddObject(m, "matmulType", (PyObject *)&matmulType);
 
     PyModule_AddObject(m, "CHAR_MAX", PyLong_FromLong(CHAR_MAX));
     PyModule_AddObject(m, "CHAR_MIN", PyLong_FromLong(CHAR_MIN));
diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 9925b0e..812c8a3 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -49,21 +49,18 @@ lock_dealloc(lockobject *self)
  * timeout.
  */
 static PyLockStatus
-acquire_timed(PyThread_type_lock lock, PY_TIMEOUT_T microseconds)
+acquire_timed(PyThread_type_lock lock, _PyTime_t timeout)
 {
     PyLockStatus r;
-    _PyTime_timeval curtime;
-    _PyTime_timeval endtime;
-
-
-    if (microseconds > 0) {
-        _PyTime_gettimeofday(&endtime);
-        endtime.tv_sec += microseconds / (1000 * 1000);
-        endtime.tv_usec += microseconds % (1000 * 1000);
-    }
+    _PyTime_t endtime = 0;
+    _PyTime_t microseconds;
 
+    if (timeout > 0)
+        endtime = _PyTime_GetMonotonicClock() + timeout;
 
     do {
+        microseconds = _PyTime_AsMicroseconds(timeout, _PyTime_ROUND_CEILING);
+
         /* first a simple non-blocking try without releasing the GIL */
         r = PyThread_acquire_lock_timed(lock, 0, 0);
         if (r == PY_LOCK_FAILURE && microseconds != 0) {
@@ -82,14 +79,12 @@ acquire_timed(PyThread_type_lock lock, PY_TIMEOUT_T microseconds)
 
             /* If we're using a timeout, recompute the timeout after processing
              * signals, since those can take time.  */
-            if (microseconds > 0) {
-                _PyTime_gettimeofday(&curtime);
-                microseconds = ((endtime.tv_sec - curtime.tv_sec) * 1000000 +
-                                (endtime.tv_usec - curtime.tv_usec));
+            if (timeout > 0) {
+                timeout = endtime - _PyTime_GetMonotonicClock();
 
                 /* Check for negative values, since those mean block forever.
                  */
-                if (microseconds <= 0) {
+                if (timeout < 0) {
                     r = PY_LOCK_FAILURE;
                 }
             }
@@ -99,44 +94,61 @@ acquire_timed(PyThread_type_lock lock, PY_TIMEOUT_T microseconds)
     return r;
 }
 
-static PyObject *
-lock_PyThread_acquire_lock(lockobject *self, PyObject *args, PyObject *kwds)
+static int
+lock_acquire_parse_args(PyObject *args, PyObject *kwds,
+                        _PyTime_t *timeout)
 {
     char *kwlist[] = {"blocking", "timeout", NULL};
     int blocking = 1;
-    double timeout = -1;
-    PY_TIMEOUT_T microseconds;
-    PyLockStatus r;
+    PyObject *timeout_obj = NULL;
+    const _PyTime_t unset_timeout = _PyTime_FromSeconds(-1);
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|id:acquire", kwlist,
-                                     &blocking, &timeout))
-        return NULL;
+    *timeout = unset_timeout ;
 
-    if (!blocking && timeout != -1) {
-        PyErr_SetString(PyExc_ValueError, "can't specify a timeout "
-                        "for a non-blocking call");
-        return NULL;
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iO:acquire", kwlist,
+                                     &blocking, &timeout_obj))
+        return -1;
+
+    if (timeout_obj
+        && _PyTime_FromSecondsObject(timeout,
+                                     timeout_obj, _PyTime_ROUND_CEILING) < 0)
+        return -1;
+
+    if (!blocking && *timeout != unset_timeout ) {
+        PyErr_SetString(PyExc_ValueError,
+                        "can't specify a timeout for a non-blocking call");
+        return -1;
     }
-    if (timeout < 0 && timeout != -1) {
-        PyErr_SetString(PyExc_ValueError, "timeout value must be "
-                        "strictly positive");
-        return NULL;
+    if (*timeout < 0 && *timeout != unset_timeout) {
+        PyErr_SetString(PyExc_ValueError,
+                        "timeout value must be positive");
+        return -1;
     }
     if (!blocking)
-        microseconds = 0;
-    else if (timeout == -1)
-        microseconds = -1;
-    else {
-        timeout *= 1e6;
-        if (timeout >= (double) PY_TIMEOUT_MAX) {
+        *timeout = 0;
+    else if (*timeout != unset_timeout) {
+        _PyTime_t microseconds;
+
+        microseconds = _PyTime_AsMicroseconds(*timeout, _PyTime_ROUND_CEILING);
+        if (microseconds >= PY_TIMEOUT_MAX) {
             PyErr_SetString(PyExc_OverflowError,
                             "timeout value is too large");
-            return NULL;
+            return -1;
         }
-        microseconds = (PY_TIMEOUT_T) timeout;
     }
+    return 0;
+}
+
+static PyObject *
+lock_PyThread_acquire_lock(lockobject *self, PyObject *args, PyObject *kwds)
+{
+    _PyTime_t timeout;
+    PyLockStatus r;
 
-    r = acquire_timed(self->lock_lock, microseconds);
+    if (lock_acquire_parse_args(args, kwds, &timeout) < 0)
+        return NULL;
+
+    r = acquire_timed(self->lock_lock, timeout);
     if (r == PY_LOCK_INTR) {
         return NULL;
     }
@@ -192,6 +204,13 @@ PyDoc_STRVAR(locked_doc,
 \n\
 Return whether the lock is in the locked state.");
 
+static PyObject *
+lock_repr(lockobject *self)
+{
+    return PyUnicode_FromFormat("<%s %s object at %p>",
+        self->locked ? "locked" : "unlocked", Py_TYPE(self)->tp_name, self);
+}
+
 static PyMethodDef lock_methods[] = {
     {"acquire_lock", (PyCFunction)lock_PyThread_acquire_lock,
      METH_VARARGS | METH_KEYWORDS, acquire_doc},
@@ -223,7 +242,7 @@ static PyTypeObject Locktype = {
     0,                                  /*tp_getattr*/
     0,                                  /*tp_setattr*/
     0,                                  /*tp_reserved*/
-    0,                                  /*tp_repr*/
+    (reprfunc)lock_repr,                /*tp_repr*/
     0,                                  /*tp_as_number*/
     0,                                  /*tp_as_sequence*/
     0,                                  /*tp_as_mapping*/
@@ -274,41 +293,13 @@ rlock_dealloc(rlockobject *self)
 static PyObject *
 rlock_acquire(rlockobject *self, PyObject *args, PyObject *kwds)
 {
-    char *kwlist[] = {"blocking", "timeout", NULL};
-    int blocking = 1;
-    double timeout = -1;
-    PY_TIMEOUT_T microseconds;
+    _PyTime_t timeout;
     long tid;
     PyLockStatus r = PY_LOCK_ACQUIRED;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|id:acquire", kwlist,
-                                     &blocking, &timeout))
+    if (lock_acquire_parse_args(args, kwds, &timeout) < 0)
         return NULL;
 
-    if (!blocking && timeout != -1) {
-        PyErr_SetString(PyExc_ValueError, "can't specify a timeout "
-                        "for a non-blocking call");
-        return NULL;
-    }
-    if (timeout < 0 && timeout != -1) {
-        PyErr_SetString(PyExc_ValueError, "timeout value must be "
-                        "strictly positive");
-        return NULL;
-    }
-    if (!blocking)
-        microseconds = 0;
-    else if (timeout == -1)
-        microseconds = -1;
-    else {
-        timeout *= 1e6;
-        if (timeout >= (double) PY_TIMEOUT_MAX) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "timeout value is too large");
-            return NULL;
-        }
-        microseconds = (PY_TIMEOUT_T) timeout;
-    }
-
     tid = PyThread_get_thread_ident();
     if (self->rlock_count > 0 && tid == self->rlock_owner) {
         unsigned long count = self->rlock_count + 1;
@@ -320,7 +311,7 @@ rlock_acquire(rlockobject *self, PyObject *args, PyObject *kwds)
         self->rlock_count = count;
         Py_RETURN_TRUE;
     }
-    r = acquire_timed(self->rlock_lock, microseconds);
+    r = acquire_timed(self->rlock_lock, timeout);
     if (r == PY_LOCK_ACQUIRED) {
         assert(self->rlock_count == 0);
         self->rlock_owner = tid;
@@ -475,8 +466,10 @@ rlock_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 static PyObject *
 rlock_repr(rlockobject *self)
 {
-    return PyUnicode_FromFormat("<%s owner=%ld count=%lu>",
-        Py_TYPE(self)->tp_name, self->rlock_owner, self->rlock_count);
+    return PyUnicode_FromFormat("<%s %s object owner=%ld count=%lu at %p>",
+        self->rlock_count ? "locked" : "unlocked",
+        Py_TYPE(self)->tp_name, self->rlock_owner,
+        self->rlock_count, self);
 }
 
 
@@ -1353,7 +1346,9 @@ static struct PyModuleDef threadmodule = {
 PyMODINIT_FUNC
 PyInit__thread(void)
 {
-    PyObject *m, *d, *timeout_max;
+    PyObject *m, *d, *v;
+    double time_max;
+    double timeout_max;
 
     /* Initialize types: */
     if (PyType_Ready(&localdummytype) < 0)
@@ -1370,10 +1365,14 @@ PyInit__thread(void)
     if (m == NULL)
         return NULL;
 
-    timeout_max = PyFloat_FromDouble(PY_TIMEOUT_MAX / 1000000);
-    if (!timeout_max)
+    timeout_max = PY_TIMEOUT_MAX / 1000000;
+    time_max = floor(_PyTime_AsSecondsDouble(_PyTime_MAX));
+    timeout_max = Py_MIN(timeout_max, time_max);
+
+    v = PyFloat_FromDouble(timeout_max);
+    if (!v)
         return NULL;
-    if (PyModule_AddObject(m, "TIMEOUT_MAX", timeout_max) < 0)
+    if (PyModule_AddObject(m, "TIMEOUT_MAX", v) < 0)
         return NULL;
 
     /* Add a symbolic constant */
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 52025bb..4d61bb2 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -9,8 +9,8 @@ Copyright (C) 1994 Steen Lumholt.
 
 /* TCL/TK VERSION INFO:
 
-    Only Tcl/Tk 8.3.1 and later are supported.  Older versions are not
-    supported. Use Python 2.6 or older if you cannot upgrade your
+    Only Tcl/Tk 8.4 and later are supported.  Older versions are not
+    supported. Use Python 3.4 or older if you cannot upgrade your
     Tcl/Tk libraries.
 */
 
@@ -21,6 +21,7 @@ Copyright (C) 1994 Steen Lumholt.
 
 */
 
+#define PY_SSIZE_T_CLEAN
 
 #include "Python.h"
 #include <ctype.h>
@@ -36,13 +37,6 @@ Copyright (C) 1994 Steen Lumholt.
 #define CHECK_SIZE(size, elemsize) \
     ((size_t)(size) <= Py_MIN((size_t)INT_MAX, UINT_MAX / (size_t)(elemsize)))
 
-/* Starting with Tcl 8.4, many APIs offer const-correctness.  Unfortunately,
-   making _tkinter correct for this API means to break earlier
-   versions. USE_COMPAT_CONST allows to make _tkinter work with both 8.4 and
-   earlier versions. Once Tcl releases before 8.4 don't need to be supported
-   anymore, this should go. */
-#define USE_COMPAT_CONST
-
 /* If Tcl is compiled for threads, we must also define TCL_THREAD. We define
    it always; if Tcl is not threaded, the thread functions in
    Tcl are empty.  */
@@ -58,15 +52,8 @@ Copyright (C) 1994 Steen Lumholt.
 
 #include "tkinter.h"
 
-/* For Tcl 8.2 and 8.3, CONST* is not defined (except on Cygwin). */
-#ifndef CONST84_RETURN
-#define CONST84_RETURN
-#undef CONST
-#define CONST
-#endif
-
-#if TK_HEX_VERSION < 0x08030201
-#error "Tk older than 8.3.1 not supported"
+#if TK_HEX_VERSION < 0x08040200
+#error "Tk older than 8.4 not supported"
 #endif
 
 #if TK_HEX_VERSION >= 0x08050208 && TK_HEX_VERSION < 0x08060000 || \
@@ -385,10 +372,10 @@ unicodeFromTclObj(Tcl_Obj *value)
 
 
 static PyObject *
-Split(char *list)
+Split(const char *list)
 {
     int argc;
-    char **argv;
+    const char **argv;
     PyObject *v;
 
     if (list == NULL) {
@@ -432,7 +419,7 @@ static PyObject *
 SplitObj(PyObject *arg)
 {
     if (PyTuple_Check(arg)) {
-        int i, size;
+        Py_ssize_t i, size;
         PyObject *elem, *newelem, *result;
 
         size = PyTuple_Size(arg);
@@ -448,7 +435,7 @@ SplitObj(PyObject *arg)
                 return NULL;
             }
             if (!result) {
-                int k;
+                Py_ssize_t k;
                 if (newelem == elem) {
                     Py_DECREF(newelem);
                     continue;
@@ -468,9 +455,29 @@ SplitObj(PyObject *arg)
             return result;
         /* Fall through, returning arg. */
     }
+    else if (PyList_Check(arg)) {
+        Py_ssize_t i, size;
+        PyObject *elem, *newelem, *result;
+
+        size = PyList_GET_SIZE(arg);
+        result = PyTuple_New(size);
+        if (!result)
+            return NULL;
+        /* Recursively invoke SplitObj for all list items. */
+        for(i = 0; i < size; i++) {
+            elem = PyList_GET_ITEM(arg, i);
+            newelem = SplitObj(elem);
+            if (!newelem) {
+                Py_XDECREF(result);
+                return NULL;
+            }
+            PyTuple_SetItem(result, i, newelem);
+        }
+        return result;
+    }
     else if (PyUnicode_Check(arg)) {
         int argc;
-        char **argv;
+        const char **argv;
         char *list = PyUnicode_AsUTF8(arg);
 
         if (list == NULL ||
@@ -485,7 +492,7 @@ SplitObj(PyObject *arg)
     }
     else if (PyBytes_Check(arg)) {
         int argc;
-        char **argv;
+        const char **argv;
         char *list = PyBytes_AsString(arg);
 
         if (Tcl_SplitList((Tcl_Interp *)NULL, list, &argc, &argv) != TCL_OK) {
@@ -552,8 +559,9 @@ static void EnableEventHook(void); /* Forward */
 static void DisableEventHook(void); /* Forward */
 
 static TkappObject *
-Tkapp_New(char *screenName, char *className,
-          int interactive, int wantobjects, int wantTk, int sync, char *use)
+Tkapp_New(const char *screenName, const char *className,
+          int interactive, int wantobjects, int wantTk, int sync,
+          const char *use)
 {
     TkappObject *v;
     char *argv0;
@@ -610,7 +618,7 @@ Tkapp_New(char *screenName, char *className,
         Tcl_SetVar(v->interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
 
     /* This is used to get the application class for Tk 4.1 and up */
-    argv0 = (char*)attemptckalloc(strlen(className) + 1);
+    argv0 = (char*)PyMem_Malloc(strlen(className) + 1);
     if (!argv0) {
         PyErr_NoMemory();
         Py_DECREF(v);
@@ -621,7 +629,7 @@ Tkapp_New(char *screenName, char *className,
     if (Py_ISUPPER(Py_CHARMASK(argv0[0])))
         argv0[0] = Py_TOLOWER(Py_CHARMASK(argv0[0]));
     Tcl_SetVar(v->interp, "argv0", argv0, TCL_GLOBAL_ONLY);
-    ckfree(argv0);
+    PyMem_Free(argv0);
 
     if (! wantTk) {
         Tcl_SetVar(v->interp,
@@ -637,14 +645,14 @@ Tkapp_New(char *screenName, char *className,
     /* some initial arguments need to be in argv */
     if (sync || use) {
         char *args;
-        int len = 0;
+        Py_ssize_t len = 0;
 
         if (sync)
             len += sizeof "-sync";
         if (use)
-            len += strlen(use) + sizeof "-use ";
+            len += strlen(use) + sizeof "-use ";  /* never overflows */
 
-        args = (char*)attemptckalloc(len);
+        args = (char*)PyMem_Malloc(len);
         if (!args) {
             PyErr_NoMemory();
             Py_DECREF(v);
@@ -662,7 +670,7 @@ Tkapp_New(char *screenName, char *className,
         }
 
         Tcl_SetVar(v->interp, "argv", args, TCL_GLOBAL_ONLY);
-        ckfree(args);
+        PyMem_Free(args);
     }
 
     if (Tcl_AppInit(v->interp) != TCL_OK) {
@@ -929,9 +937,14 @@ AsObj(PyObject *value)
 {
     Tcl_Obj *result;
 
-    if (PyBytes_Check(value))
+    if (PyBytes_Check(value)) {
+        if (PyBytes_GET_SIZE(value) >= INT_MAX) {
+            PyErr_SetString(PyExc_OverflowError, "bytes object is too long");
+            return NULL;
+        }
         return Tcl_NewByteArrayObj((unsigned char *)PyBytes_AS_STRING(value),
-                                   PyBytes_GET_SIZE(value));
+                                   (int)PyBytes_GET_SIZE(value));
+    }
 
     if (PyBool_Check(value))
         return Tcl_NewBooleanObj(PyObject_IsTrue(value));
@@ -970,24 +983,28 @@ AsObj(PyObject *value)
     if (PyFloat_Check(value))
         return Tcl_NewDoubleObj(PyFloat_AS_DOUBLE(value));
 
-    if (PyTuple_Check(value)) {
+    if (PyTuple_Check(value) || PyList_Check(value)) {
         Tcl_Obj **argv;
         Py_ssize_t size, i;
 
-        size = PyTuple_Size(value);
+        size = PySequence_Fast_GET_SIZE(value);
         if (size == 0)
             return Tcl_NewListObj(0, NULL);
         if (!CHECK_SIZE(size, sizeof(Tcl_Obj *))) {
-            PyErr_SetString(PyExc_OverflowError, "tuple is too long");
+            PyErr_SetString(PyExc_OverflowError,
+                            PyTuple_Check(value) ? "tuple is too long" :
+                                                   "list is too long");
             return NULL;
         }
-        argv = (Tcl_Obj **) attemptckalloc(((size_t)size) * sizeof(Tcl_Obj *));
-        if(!argv)
-          return 0;
+        argv = (Tcl_Obj **) PyMem_Malloc(((size_t)size) * sizeof(Tcl_Obj *));
+        if (!argv) {
+          PyErr_NoMemory();
+          return NULL;
+        }
         for (i = 0; i < size; i++)
-          argv[i] = AsObj(PyTuple_GetItem(value,i));
-        result = Tcl_NewListObj(PyTuple_Size(value), argv);
-        ckfree(FREECAST argv);
+          argv[i] = AsObj(PySequence_Fast_GET_ITEM(value,i));
+        result = Tcl_NewListObj((int)size, argv);
+        PyMem_Free(argv);
         return result;
     }
 
@@ -1012,9 +1029,9 @@ AsObj(PyObject *value)
         }
         kind = PyUnicode_KIND(value);
         if (kind == sizeof(Tcl_UniChar))
-            return Tcl_NewUnicodeObj(inbuf, size);
+            return Tcl_NewUnicodeObj(inbuf, (int)size);
         allocsize = ((size_t)size) * sizeof(Tcl_UniChar);
-        outbuf = (Tcl_UniChar*)attemptckalloc(allocsize);
+        outbuf = (Tcl_UniChar*)PyMem_Malloc(allocsize);
         /* Else overflow occurred, and we take the next exit */
         if (!outbuf) {
             PyErr_NoMemory();
@@ -1031,14 +1048,14 @@ AsObj(PyObject *value)
                              "character U+%x is above the range "
                              "(U+0000-U+FFFF) allowed by Tcl",
                              ch);
-                ckfree(FREECAST outbuf);
+                PyMem_Free(outbuf);
                 return NULL;
             }
 #endif
             outbuf[i] = ch;
         }
-        result = Tcl_NewUnicodeObj(outbuf, size);
-        ckfree(FREECAST outbuf);
+        result = Tcl_NewUnicodeObj(outbuf, (int)size);
+        PyMem_Free(outbuf);
         return result;
     }
 
@@ -1067,7 +1084,6 @@ fromBoolean(PyObject* tkapp, Tcl_Obj *value)
     return PyBool_FromLong(boolValue);
 }
 
-#ifdef TCL_WIDE_INT_TYPE
 static PyObject*
 fromWideIntObj(PyObject* tkapp, Tcl_Obj *value)
 {
@@ -1084,7 +1100,6 @@ fromWideIntObj(PyObject* tkapp, Tcl_Obj *value)
         }
         return NULL;
 }
-#endif
 
 #ifdef HAVE_LIBTOMMAMTH
 static PyObject*
@@ -1157,7 +1172,6 @@ FromObj(PyObject* tkapp, Tcl_Obj *value)
            fall through to wideInt handling. */
     }
 
-#ifdef TCL_WIDE_INT_TYPE
     if (value->typePtr == app->IntType ||
         value->typePtr == app->WideIntType) {
         result = fromWideIntObj(tkapp, value);
@@ -1167,7 +1181,6 @@ FromObj(PyObject* tkapp, Tcl_Obj *value)
         /* If there is an error in the wideInt conversion,
            fall through to bignum handling. */
     }
-#endif
 
 #ifdef HAVE_LIBTOMMAMTH
     if (value->typePtr == app->IntType ||
@@ -1258,7 +1271,7 @@ Tkapp_CallDeallocArgs(Tcl_Obj** objv, Tcl_Obj** objStore, int objc)
     for (i = 0; i < objc; i++)
         Tcl_DecrRefCount(objv[i]);
     if (objv != objStore)
-        ckfree(FREECAST objv);
+        PyMem_Free(objv);
 }
 
 /* Convert Python objects to Tcl objects. This must happen in the
@@ -1272,7 +1285,7 @@ Tkapp_CallArgs(PyObject *args, Tcl_Obj** objStore, int *pobjc)
     if (args == NULL)
         /* do nothing */;
 
-    else if (!PyTuple_Check(args)) {
+    else if (!(PyTuple_Check(args) || PyList_Check(args))) {
         objv[0] = AsObj(args);
         if (objv[0] == 0)
             goto finally;
@@ -1280,14 +1293,16 @@ Tkapp_CallArgs(PyObject *args, Tcl_Obj** objStore, int *pobjc)
         Tcl_IncrRefCount(objv[0]);
     }
     else {
-        objc = PyTuple_Size(args);
+        objc = PySequence_Fast_GET_SIZE(args);
 
         if (objc > ARGSZ) {
             if (!CHECK_SIZE(objc, sizeof(Tcl_Obj *))) {
-                PyErr_SetString(PyExc_OverflowError, "tuple is too long");
+                PyErr_SetString(PyExc_OverflowError,
+                                PyTuple_Check(args) ? "tuple is too long" :
+                                                      "list is too long");
                 return NULL;
             }
-            objv = (Tcl_Obj **)attemptckalloc(((size_t)objc) * sizeof(Tcl_Obj *));
+            objv = (Tcl_Obj **)PyMem_Malloc(((size_t)objc) * sizeof(Tcl_Obj *));
             if (objv == NULL) {
                 PyErr_NoMemory();
                 objc = 0;
@@ -1296,7 +1311,7 @@ Tkapp_CallArgs(PyObject *args, Tcl_Obj** objStore, int *pobjc)
         }
 
         for (i = 0; i < objc; i++) {
-            PyObject *v = PyTuple_GetItem(args, i);
+            PyObject *v = PySequence_Fast_GET_ITEM(args, i);
             if (v == Py_None) {
                 objc = i;
                 break;
@@ -1311,10 +1326,10 @@ Tkapp_CallArgs(PyObject *args, Tcl_Obj** objStore, int *pobjc)
             Tcl_IncrRefCount(objv[i]);
         }
     }
-    *pobjc = objc;
+    *pobjc = (int)objc;
     return objv;
 finally:
-    Tkapp_CallDeallocArgs(objv, objStore, objc);
+    Tkapp_CallDeallocArgs(objv, objStore, (int)objc);
     return NULL;
 }
 
@@ -1596,8 +1611,8 @@ varname_converter(PyObject *in, void *_out)
             return 0;
         }
         s = PyBytes_AsString(in);
-        if (strlen(s) != PyBytes_Size(in)) {
-            PyErr_SetString(PyExc_ValueError, "null byte in bytes object");
+        if (strlen(s) != (size_t)PyBytes_Size(in)) {
+            PyErr_SetString(PyExc_ValueError, "embedded null byte");
             return 0;
         }
         *out = s;
@@ -1613,8 +1628,8 @@ varname_converter(PyObject *in, void *_out)
             PyErr_SetString(PyExc_OverflowError, "string is too long");
             return 0;
         }
-        if (strlen(s) != size) {
-            PyErr_SetString(PyExc_ValueError, "null character in string");
+        if (strlen(s) != (size_t)size) {
+            PyErr_SetString(PyExc_ValueError, "embedded null character");
             return 0;
         }
         *out = s;
@@ -1667,7 +1682,6 @@ var_invoke(EventFunc func, PyObject *selfptr, PyObject *args, int flags)
 #ifdef WITH_THREAD
     TkappObject *self = (TkappObject*)selfptr;
     if (self->threaded && self->thread_id != Tcl_GetCurrentThread()) {
-        TkappObject *self = (TkappObject*)selfptr;
         VarEvent *ev;
         PyObject *res, *exc_type, *exc_val;
         Tcl_Condition cond = NULL;
@@ -1866,12 +1880,8 @@ static PyObject *
 Tkapp_GetInt(PyObject *self, PyObject *args)
 {
     char *s;
-#if defined(TCL_WIDE_INT_TYPE) || defined(HAVE_LIBTOMMAMTH)
     Tcl_Obj *value;
     PyObject *result;
-#else
-    int intValue;
-#endif
 
     if (PyTuple_Size(args) == 1) {
         PyObject* o = PyTuple_GetItem(args, 0);
@@ -1883,7 +1893,6 @@ Tkapp_GetInt(PyObject *self, PyObject *args)
     if (!PyArg_ParseTuple(args, "s:getint", &s))
         return NULL;
     CHECK_STRING_LENGTH(s);
-#if defined(TCL_WIDE_INT_TYPE) || defined(HAVE_LIBTOMMAMTH)
     value = Tcl_NewStringObj(s, -1);
     if (value == NULL)
         return Tkinter_Error(self);
@@ -1901,10 +1910,6 @@ Tkapp_GetInt(PyObject *self, PyObject *args)
     Tcl_DecrRefCount(value);
     if (result != NULL || PyErr_Occurred())
         return result;
-#else
-    if (Tcl_GetInt(Tkapp_Interp(self), s, &intValue) == TCL_OK)
-        return PyLong_FromLong(intValue);
-#endif
     return Tkinter_Error(self);
 }
 
@@ -2059,7 +2064,7 @@ Tkapp_SplitList(PyObject *self, PyObject *args)
 {
     char *list;
     int argc;
-    char **argv;
+    const char **argv;
     PyObject *arg, *v;
     int i;
 
@@ -2088,6 +2093,9 @@ Tkapp_SplitList(PyObject *self, PyObject *args)
         Py_INCREF(arg);
         return arg;
     }
+    if (PyList_Check(arg)) {
+        return PySequence_Tuple(arg);
+    }
 
     if (!PyArg_ParseTuple(args, "et:splitlist", "utf-8", &list))
         return NULL;
@@ -2149,7 +2157,7 @@ Tkapp_Split(PyObject *self, PyObject *args)
         }
         return v;
     }
-    if (PyTuple_Check(arg))
+    if (PyTuple_Check(arg) || PyList_Check(arg))
         return SplitObj(arg);
 
     if (!PyArg_ParseTuple(args, "et:split", "utf-8", &list))
@@ -2183,7 +2191,7 @@ PythonCmd_Error(Tcl_Interp *interp)
  * function or method.
  */
 static int
-PythonCmd(ClientData clientData, Tcl_Interp *interp, int argc, char *argv[])
+PythonCmd(ClientData clientData, Tcl_Interp *interp, int argc, const char *argv[])
 {
     PythonCmd_ClientData *data = (PythonCmd_ClientData *)clientData;
     PyObject *func, *arg, *res;
@@ -2920,20 +2928,20 @@ static PyType_Spec Tkapp_Type_spec = {
 
 typedef struct {
     PyObject* tuple;
-    int size; /* current size */
-    int maxsize; /* allocated size */
+    Py_ssize_t size; /* current size */
+    Py_ssize_t maxsize; /* allocated size */
 } FlattenContext;
 
 static int
-_bump(FlattenContext* context, int size)
+_bump(FlattenContext* context, Py_ssize_t size)
 {
     /* expand tuple to hold (at least) size new items.
        return true if successful, false if an exception was raised */
 
-    int maxsize = context->maxsize * 2;
+    Py_ssize_t maxsize = context->maxsize * 2;  /* never overflows */
 
     if (maxsize < context->size + size)
-        maxsize = context->size + size;
+        maxsize = context->size + size;  /* never overflows */
 
     context->maxsize = maxsize;
 
@@ -2945,41 +2953,21 @@ _flatten1(FlattenContext* context, PyObject* item, int depth)
 {
     /* add tuple or list to argument tuple (recursively) */
 
-    int i, size;
+    Py_ssize_t i, size;
 
     if (depth > 1000) {
         PyErr_SetString(PyExc_ValueError,
                         "nesting too deep in _flatten");
         return 0;
-    } else if (PyList_Check(item)) {
-        size = PyList_GET_SIZE(item);
+    } else if (PyTuple_Check(item) || PyList_Check(item)) {
+        size = PySequence_Fast_GET_SIZE(item);
         /* preallocate (assume no nesting) */
         if (context->size + size > context->maxsize &&
             !_bump(context, size))
             return 0;
         /* copy items to output tuple */
         for (i = 0; i < size; i++) {
-            PyObject *o = PyList_GET_ITEM(item, i);
-            if (PyList_Check(o) || PyTuple_Check(o)) {
-                if (!_flatten1(context, o, depth + 1))
-                    return 0;
-            } else if (o != Py_None) {
-                if (context->size + 1 > context->maxsize &&
-                    !_bump(context, 1))
-                    return 0;
-                Py_INCREF(o);
-                PyTuple_SET_ITEM(context->tuple,
-                                 context->size++, o);
-            }
-        }
-    } else if (PyTuple_Check(item)) {
-        /* same, for tuples */
-        size = PyTuple_GET_SIZE(item);
-        if (context->size + size > context->maxsize &&
-            !_bump(context, size))
-            return 0;
-        for (i = 0; i < size; i++) {
-            PyObject *o = PyTuple_GET_ITEM(item, i);
+            PyObject *o = PySequence_Fast_GET_ITEM(item, i);
             if (PyList_Check(o) || PyTuple_Check(o)) {
                 if (!_flatten1(context, o, depth + 1))
                     return 0;
@@ -3037,7 +3025,7 @@ Tkinter_Create(PyObject *self, PyObject *args)
                               try getting rid of it. */
     char *className = NULL;
     int interactive = 0;
-    int wantobjects = 0;
+    int wantobjects = 1;
     int wantTk = 1;     /* If false, then Tk_Init() doesn't get called */
     int sync = 0; /* pass -sync to wish */
     char *use = NULL; /* pass -use to wish */
diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
index 409f4db..226a473 100644
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -16,14 +16,11 @@ static void raw_free(void *ptr);
 #  define TRACE_DEBUG
 #endif
 
-#define _STR(VAL) #VAL
-#define STR(VAL) _STR(VAL)
-
 /* Protected by the GIL */
 static struct {
-    PyMemAllocator mem;
-    PyMemAllocator raw;
-    PyMemAllocator obj;
+    PyMemAllocatorEx mem;
+    PyMemAllocatorEx raw;
+    PyMemAllocatorEx obj;
 } allocators;
 
 static struct {
@@ -82,7 +79,7 @@ typedef struct {
         (sizeof(traceback_t) + sizeof(frame_t) * (NFRAME - 1))
 
 #define MAX_NFRAME \
-        ((INT_MAX - sizeof(traceback_t)) / sizeof(frame_t) + 1)
+        ((INT_MAX - (int)sizeof(traceback_t)) / (int)sizeof(frame_t) + 1)
 
 static PyObject *unknown_filename = NULL;
 static traceback_t tracemalloc_empty_traceback;
@@ -476,17 +473,22 @@ tracemalloc_remove_trace(void *ptr)
 }
 
 static void*
-tracemalloc_malloc(void *ctx, size_t size)
+tracemalloc_alloc(int use_calloc, void *ctx, size_t nelem, size_t elsize)
 {
-    PyMemAllocator *alloc = (PyMemAllocator *)ctx;
+    PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
     void *ptr;
 
-    ptr = alloc->malloc(alloc->ctx, size);
+    assert(elsize == 0 || nelem <= PY_SIZE_MAX / elsize);
+
+    if (use_calloc)
+        ptr = alloc->calloc(alloc->ctx, nelem, elsize);
+    else
+        ptr = alloc->malloc(alloc->ctx, nelem * elsize);
     if (ptr == NULL)
         return NULL;
 
     TABLES_LOCK();
-    if (tracemalloc_add_trace(ptr, size) < 0) {
+    if (tracemalloc_add_trace(ptr, nelem * elsize) < 0) {
         /* Failed to allocate a trace for the new memory block */
         TABLES_UNLOCK();
         alloc->free(alloc->ctx, ptr);
@@ -499,7 +501,7 @@ tracemalloc_malloc(void *ctx, size_t size)
 static void*
 tracemalloc_realloc(void *ctx, void *ptr, size_t new_size)
 {
-    PyMemAllocator *alloc = (PyMemAllocator *)ctx;
+    PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
     void *ptr2;
 
     ptr2 = alloc->realloc(alloc->ctx, ptr, new_size);
@@ -544,7 +546,7 @@ tracemalloc_realloc(void *ctx, void *ptr, size_t new_size)
 static void
 tracemalloc_free(void *ctx, void *ptr)
 {
-    PyMemAllocator *alloc = (PyMemAllocator *)ctx;
+    PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
 
     if (ptr == NULL)
         return;
@@ -560,13 +562,16 @@ tracemalloc_free(void *ctx, void *ptr)
 }
 
 static void*
-tracemalloc_malloc_gil(void *ctx, size_t size)
+tracemalloc_alloc_gil(int use_calloc, void *ctx, size_t nelem, size_t elsize)
 {
     void *ptr;
 
     if (get_reentrant()) {
-        PyMemAllocator *alloc = (PyMemAllocator *)ctx;
-        return alloc->malloc(alloc->ctx, size);
+        PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
+        if (use_calloc)
+            return alloc->calloc(alloc->ctx, nelem, elsize);
+        else
+            return alloc->malloc(alloc->ctx, nelem * elsize);
     }
 
     /* Ignore reentrant call. PyObjet_Malloc() calls PyMem_Malloc() for
@@ -574,13 +579,25 @@ tracemalloc_malloc_gil(void *ctx, size_t size)
        allocation twice. */
     set_reentrant(1);
 
-    ptr = tracemalloc_malloc(ctx, size);
+    ptr = tracemalloc_alloc(use_calloc, ctx, nelem, elsize);
 
     set_reentrant(0);
     return ptr;
 }
 
 static void*
+tracemalloc_malloc_gil(void *ctx, size_t size)
+{
+    return tracemalloc_alloc_gil(0, ctx, 1, size);
+}
+
+static void*
+tracemalloc_calloc_gil(void *ctx, size_t nelem, size_t elsize)
+{
+    return tracemalloc_alloc_gil(1, ctx, nelem, elsize);
+}
+
+static void*
 tracemalloc_realloc_gil(void *ctx, void *ptr, size_t new_size)
 {
     void *ptr2;
@@ -590,7 +607,7 @@ tracemalloc_realloc_gil(void *ctx, void *ptr, size_t new_size)
            Example: PyMem_RawRealloc() is called internally by pymalloc
            (_PyObject_Malloc() and  _PyObject_Realloc()) to allocate a new
            arena (new_arena()). */
-        PyMemAllocator *alloc = (PyMemAllocator *)ctx;
+        PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
 
         ptr2 = alloc->realloc(alloc->ctx, ptr, new_size);
         if (ptr2 != NULL && ptr != NULL) {
@@ -614,7 +631,7 @@ tracemalloc_realloc_gil(void *ctx, void *ptr, size_t new_size)
 
 #ifdef TRACE_RAW_MALLOC
 static void*
-tracemalloc_raw_malloc(void *ctx, size_t size)
+tracemalloc_raw_alloc(int use_calloc, void *ctx, size_t nelem, size_t elsize)
 {
 #ifdef WITH_THREAD
     PyGILState_STATE gil_state;
@@ -622,8 +639,11 @@ tracemalloc_raw_malloc(void *ctx, size_t size)
     void *ptr;
 
     if (get_reentrant()) {
-        PyMemAllocator *alloc = (PyMemAllocator *)ctx;
-        return alloc->malloc(alloc->ctx, size);
+        PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
+        if (use_calloc)
+            return alloc->calloc(alloc->ctx, nelem, elsize);
+        else
+            return alloc->malloc(alloc->ctx, nelem * elsize);
     }
 
     /* Ignore reentrant call. PyGILState_Ensure() may call PyMem_RawMalloc()
@@ -633,10 +653,10 @@ tracemalloc_raw_malloc(void *ctx, size_t size)
 
 #ifdef WITH_THREAD
     gil_state = PyGILState_Ensure();
-    ptr = tracemalloc_malloc(ctx, size);
+    ptr = tracemalloc_alloc(use_calloc, ctx, nelem, elsize);
     PyGILState_Release(gil_state);
 #else
-    ptr = tracemalloc_malloc(ctx, size);
+    ptr = tracemalloc_alloc(use_calloc, ctx, nelem, elsize);
 #endif
 
     set_reentrant(0);
@@ -644,6 +664,18 @@ tracemalloc_raw_malloc(void *ctx, size_t size)
 }
 
 static void*
+tracemalloc_raw_malloc(void *ctx, size_t size)
+{
+    return tracemalloc_raw_alloc(0, ctx, 1, size);
+}
+
+static void*
+tracemalloc_raw_calloc(void *ctx, size_t nelem, size_t elsize)
+{
+    return tracemalloc_raw_alloc(1, ctx, nelem, elsize);
+}
+
+static void*
 tracemalloc_raw_realloc(void *ctx, void *ptr, size_t new_size)
 {
 #ifdef WITH_THREAD
@@ -653,7 +685,7 @@ tracemalloc_raw_realloc(void *ctx, void *ptr, size_t new_size)
 
     if (get_reentrant()) {
         /* Reentrant call to PyMem_RawRealloc(). */
-        PyMemAllocator *alloc = (PyMemAllocator *)ctx;
+        PyMemAllocatorEx *alloc = (PyMemAllocatorEx *)ctx;
 
         ptr2 = alloc->realloc(alloc->ctx, ptr, new_size);
 
@@ -831,7 +863,7 @@ tracemalloc_deinit(void)
 static int
 tracemalloc_start(int max_nframe)
 {
-    PyMemAllocator alloc;
+    PyMemAllocatorEx alloc;
     size_t size;
 
     if (tracemalloc_init() < 0)
@@ -856,6 +888,7 @@ tracemalloc_start(int max_nframe)
 
 #ifdef TRACE_RAW_MALLOC
     alloc.malloc = tracemalloc_raw_malloc;
+    alloc.calloc = tracemalloc_raw_calloc;
     alloc.realloc = tracemalloc_raw_realloc;
     alloc.free = tracemalloc_free;
 
@@ -865,6 +898,7 @@ tracemalloc_start(int max_nframe)
 #endif
 
     alloc.malloc = tracemalloc_malloc_gil;
+    alloc.calloc = tracemalloc_calloc_gil;
     alloc.realloc = tracemalloc_realloc_gil;
     alloc.free = tracemalloc_free;
 
@@ -1195,7 +1229,7 @@ py_tracemalloc_start(PyObject *self, PyObject *args)
     if (nframe < 1 || nframe > MAX_NFRAME) {
         PyErr_Format(PyExc_ValueError,
                      "the number of frames must be in range [1; %i]",
-                     (int)MAX_NFRAME);
+                     MAX_NFRAME);
         return NULL;
     }
     nframe_int = Py_SAFE_DOWNCAST(nframe, Py_ssize_t, int);
diff --git a/Modules/_weakref.c b/Modules/_weakref.c
index da58931..7c99d7e 100644
--- a/Modules/_weakref.c
+++ b/Modules/_weakref.c
@@ -9,6 +9,8 @@ module _weakref
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=ffec73b85846596d]*/
 
+#include "clinic/_weakref.c.h"
+
 /*[clinic input]
 
 _weakref.getweakrefcount -> Py_ssize_t
@@ -19,36 +21,9 @@ _weakref.getweakrefcount -> Py_ssize_t
 Return the number of weak references to 'object'.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(_weakref_getweakrefcount__doc__,
-"getweakrefcount($module, object, /)\n"
-"--\n"
-"\n"
-"Return the number of weak references to \'object\'.");
-
-#define _WEAKREF_GETWEAKREFCOUNT_METHODDEF    \
-    {"getweakrefcount", (PyCFunction)_weakref_getweakrefcount, METH_O, _weakref_getweakrefcount__doc__},
-
-static Py_ssize_t
-_weakref_getweakrefcount_impl(PyModuleDef *module, PyObject *object);
-
-static PyObject *
-_weakref_getweakrefcount(PyModuleDef *module, PyObject *object)
-{
-    PyObject *return_value = NULL;
-    Py_ssize_t _return_value;
-
-    _return_value = _weakref_getweakrefcount_impl(module, object);
-    if ((_return_value == -1) && PyErr_Occurred())
-        goto exit;
-    return_value = PyLong_FromSsize_t(_return_value);
-
-exit:
-    return return_value;
-}
-
 static Py_ssize_t
 _weakref_getweakrefcount_impl(PyModuleDef *module, PyObject *object)
-/*[clinic end generated code: output=032eedbfd7d69e10 input=cedb69711b6a2507]*/
+/*[clinic end generated code: output=6a6ad0b98285e468 input=cedb69711b6a2507]*/
 {
     PyWeakReference **list;
 
diff --git a/Modules/_winapi.c b/Modules/_winapi.c
index d472c9e..0274874 100644
--- a/Modules/_winapi.c
+++ b/Modules/_winapi.c
@@ -40,6 +40,7 @@
 #define WINDOWS_LEAN_AND_MEAN
 #include "windows.h"
 #include <crtdbg.h>
+#include "winreparse.h"
 
 #if defined(MS_WIN32) && !defined(MS_WIN64)
 #define HANDLE_TO_PYNUM(handle) \
@@ -401,6 +402,140 @@ winapi_CreateFile(PyObject *self, PyObject *args)
 }
 
 static PyObject *
+winapi_CreateJunction(PyObject *self, PyObject *args)
+{
+    /* Input arguments */
+    LPWSTR src_path = NULL;
+    LPWSTR dst_path = NULL;
+
+    /* Privilege adjustment */
+    HANDLE token = NULL;
+    TOKEN_PRIVILEGES tp;
+
+    /* Reparse data buffer */
+    const USHORT prefix_len = 4;
+    USHORT print_len = 0;
+    USHORT rdb_size = 0;
+    PREPARSE_DATA_BUFFER rdb = NULL;
+
+    /* Junction point creation */
+    HANDLE junction = NULL;
+    DWORD ret = 0;
+
+    if (!PyArg_ParseTuple(args, "uu", &src_path, &dst_path))
+        return NULL;
+
+    if (src_path == NULL || dst_path == NULL)
+        return PyErr_SetFromWindowsErr(ERROR_INVALID_PARAMETER);
+
+    if (wcsncmp(src_path, L"\\??\\", prefix_len) == 0)
+        return PyErr_SetFromWindowsErr(ERROR_INVALID_PARAMETER);
+
+    /* Adjust privileges to allow rewriting directory entry as a
+       junction point. */
+    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &token))
+        goto cleanup;
+
+    if (!LookupPrivilegeValue(NULL, SE_RESTORE_NAME, &tp.Privileges[0].Luid))
+        goto cleanup;
+
+    tp.PrivilegeCount = 1;
+    tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+    if (!AdjustTokenPrivileges(token, FALSE, &tp, sizeof(TOKEN_PRIVILEGES),
+                               NULL, NULL))
+        goto cleanup;
+
+    if (GetFileAttributesW(src_path) == INVALID_FILE_ATTRIBUTES)
+        goto cleanup;
+
+    /* Store the absolute link target path length in print_len. */
+    print_len = (USHORT)GetFullPathNameW(src_path, 0, NULL, NULL);
+    if (print_len == 0)
+        goto cleanup;
+
+    /* NUL terminator should not be part of print_len. */
+    --print_len;
+
+    /* REPARSE_DATA_BUFFER usage is heavily under-documented, especially for
+       junction points. Here's what I've learned along the way:
+       - A junction point has two components: a print name and a substitute
+         name. They both describe the link target, but the substitute name is
+         the physical target and the print name is shown in directory listings.
+       - The print name must be a native name, prefixed with "\??\".
+       - Both names are stored after each other in the same buffer (the
+         PathBuffer) and both must be NUL-terminated.
+       - There are four members defining their respective offset and length
+         inside PathBuffer: SubstituteNameOffset, SubstituteNameLength,
+         PrintNameOffset and PrintNameLength.
+       - The total size we need to allocate for the REPARSE_DATA_BUFFER, thus,
+         is the sum of:
+         - the fixed header size (REPARSE_DATA_BUFFER_HEADER_SIZE)
+         - the size of the MountPointReparseBuffer member without the PathBuffer
+         - the size of the prefix ("\??\") in bytes
+         - the size of the print name in bytes
+         - the size of the substitute name in bytes
+         - the size of two NUL terminators in bytes */
+    rdb_size = REPARSE_DATA_BUFFER_HEADER_SIZE +
+        sizeof(rdb->MountPointReparseBuffer) -
+        sizeof(rdb->MountPointReparseBuffer.PathBuffer) +
+        /* Two +1's for NUL terminators. */
+        (prefix_len + print_len + 1 + print_len + 1) * sizeof(WCHAR);
+    rdb = (PREPARSE_DATA_BUFFER)PyMem_RawMalloc(rdb_size);
+    if (rdb == NULL)
+        goto cleanup;
+
+    memset(rdb, 0, rdb_size);
+    rdb->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
+    rdb->ReparseDataLength = rdb_size - REPARSE_DATA_BUFFER_HEADER_SIZE;
+    rdb->MountPointReparseBuffer.SubstituteNameOffset = 0;
+    rdb->MountPointReparseBuffer.SubstituteNameLength =
+        (prefix_len + print_len) * sizeof(WCHAR);
+    rdb->MountPointReparseBuffer.PrintNameOffset =
+        rdb->MountPointReparseBuffer.SubstituteNameLength + sizeof(WCHAR);
+    rdb->MountPointReparseBuffer.PrintNameLength = print_len * sizeof(WCHAR);
+
+    /* Store the full native path of link target at the substitute name
+       offset (0). */
+    wcscpy(rdb->MountPointReparseBuffer.PathBuffer, L"\\??\\");
+    if (GetFullPathNameW(src_path, print_len + 1,
+                         rdb->MountPointReparseBuffer.PathBuffer + prefix_len,
+                         NULL) == 0)
+        goto cleanup;
+
+    /* Copy everything but the native prefix to the print name offset. */
+    wcscpy(rdb->MountPointReparseBuffer.PathBuffer +
+             prefix_len + print_len + 1,
+             rdb->MountPointReparseBuffer.PathBuffer + prefix_len);
+
+    /* Create a directory for the junction point. */
+    if (!CreateDirectoryW(dst_path, NULL))
+        goto cleanup;
+
+    junction = CreateFileW(dst_path, GENERIC_READ | GENERIC_WRITE, 0, NULL,
+        OPEN_EXISTING,
+        FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, NULL);
+    if (junction == INVALID_HANDLE_VALUE)
+        goto cleanup;
+
+    /* Make the directory entry a junction point. */
+    if (!DeviceIoControl(junction, FSCTL_SET_REPARSE_POINT, rdb, rdb_size,
+                         NULL, 0, &ret, NULL))
+        goto cleanup;
+
+cleanup:
+    ret = GetLastError();
+
+    CloseHandle(token);
+    CloseHandle(junction);
+    PyMem_RawFree(rdb);
+
+    if (ret != 0)
+        return PyErr_SetFromWindowsErr(ret);
+
+    Py_RETURN_NONE;
+}
+
+static PyObject *
 winapi_CreateNamedPipe(PyObject *self, PyObject *args)
 {
     LPCTSTR lpName;
@@ -866,6 +1001,12 @@ PyDoc_STRVAR(GetVersion_doc,
 \n\
 Return the version number of the current operating system.");
 
+/* Disable deprecation warnings about GetVersionEx as the result is
+   being passed straight through to the caller, who is responsible for
+   using it correctly. */
+#pragma warning(push)
+#pragma warning(disable:4996)
+
 static PyObject *
 winapi_GetVersion(PyObject* self, PyObject* args)
 {
@@ -875,6 +1016,8 @@ winapi_GetVersion(PyObject* self, PyObject* args)
     return PyLong_FromUnsignedLong(GetVersion());
 }
 
+#pragma warning(pop)
+
 static PyObject *
 winapi_OpenProcess(PyObject *self, PyObject *args)
 {
@@ -1235,6 +1378,8 @@ static PyMethodDef winapi_functions[] = {
      METH_VARARGS | METH_KEYWORDS, ""},
     {"CreateFile", winapi_CreateFile, METH_VARARGS,
      ""},
+    {"CreateJunction", winapi_CreateJunction, METH_VARARGS,
+     ""},
     {"CreateNamedPipe", winapi_CreateNamedPipe, METH_VARARGS,
      ""},
     {"CreatePipe", winapi_CreatePipe, METH_VARARGS,
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 5ab1ab6..4704490 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -15,6 +15,11 @@
 #endif /* HAVE_SYS_TYPES_H */
 #endif /* !STDC_HEADERS */
 
+/*[clinic input]
+module array
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=7d1b8d7f5958fd83]*/
+
 struct arrayobject; /* Forward */
 
 /* All possible arraydescr values are defined in the vector "descriptors"
@@ -42,6 +47,63 @@ typedef struct arrayobject {
 
 static PyTypeObject Arraytype;
 
+typedef struct {
+    PyObject_HEAD
+    Py_ssize_t index;
+    arrayobject *ao;
+    PyObject* (*getitem)(struct arrayobject *, Py_ssize_t);
+} arrayiterobject;
+
+static PyTypeObject PyArrayIter_Type;
+
+#define PyArrayIter_Check(op) PyObject_TypeCheck(op, &PyArrayIter_Type)
+
+enum machine_format_code {
+    UNKNOWN_FORMAT = -1,
+    /* UNKNOWN_FORMAT is used to indicate that the machine format for an
+     * array type code cannot be interpreted. When this occurs, a list of
+     * Python objects is used to represent the content of the array
+     * instead of using the memory content of the array directly. In that
+     * case, the array_reconstructor mechanism is bypassed completely, and
+     * the standard array constructor is used instead.
+     *
+     * This is will most likely occur when the machine doesn't use IEEE
+     * floating-point numbers.
+     */
+
+    UNSIGNED_INT8 = 0,
+    SIGNED_INT8 = 1,
+    UNSIGNED_INT16_LE = 2,
+    UNSIGNED_INT16_BE = 3,
+    SIGNED_INT16_LE = 4,
+    SIGNED_INT16_BE = 5,
+    UNSIGNED_INT32_LE = 6,
+    UNSIGNED_INT32_BE = 7,
+    SIGNED_INT32_LE = 8,
+    SIGNED_INT32_BE = 9,
+    UNSIGNED_INT64_LE = 10,
+    UNSIGNED_INT64_BE = 11,
+    SIGNED_INT64_LE = 12,
+    SIGNED_INT64_BE = 13,
+    IEEE_754_FLOAT_LE = 14,
+    IEEE_754_FLOAT_BE = 15,
+    IEEE_754_DOUBLE_LE = 16,
+    IEEE_754_DOUBLE_BE = 17,
+    UTF16_LE = 18,
+    UTF16_BE = 19,
+    UTF32_LE = 20,
+    UTF32_BE = 21
+};
+#define MACHINE_FORMAT_CODE_MIN 0
+#define MACHINE_FORMAT_CODE_MAX 21
+
+
+/*
+ * Must come after arrayobject, arrayiterobject,
+ * and enum machine_code_type definitions.
+ */
+#include "clinic/arraymodule.c.h"
+
 #define array_Check(op) PyObject_TypeCheck(op, &Arraytype)
 #define array_CheckExact(op) (Py_TYPE(op) == &Arraytype)
 
@@ -471,6 +533,10 @@ static struct arraydescr descriptors[] = {
 /****************************************************************************
 Implementations of array object methods.
 ****************************************************************************/
+/*[clinic input]
+class array.array "arrayobject *" "&Arraytype"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=ad43d37e942a8854]*/
 
 static PyObject *
 newarrayobject(PyTypeObject *type, Py_ssize_t size, struct arraydescr *descr)
@@ -684,16 +750,35 @@ array_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
     return (PyObject *)np;
 }
 
+
+/*[clinic input]
+array.array.__copy__
+
+Return a copy of the array.
+[clinic start generated code]*/
+
 static PyObject *
-array_copy(arrayobject *a, PyObject *unused)
+array_array___copy___impl(arrayobject *self)
+/*[clinic end generated code: output=dec7c3f925d9619e input=ad1ee5b086965f09]*/
 {
-    return array_slice(a, 0, Py_SIZE(a));
+    return array_slice(self, 0, Py_SIZE(self));
 }
 
-PyDoc_STRVAR(copy_doc,
-"copy(array)\n\
-\n\
- Return a copy of the array.");
+/*[clinic input]
+array.array.__deepcopy__
+
+    unused: object
+    /
+
+Return a copy of the array.
+[clinic start generated code]*/
+
+static PyObject *
+array_array___deepcopy__(arrayobject *self, PyObject *unused)
+/*[clinic end generated code: output=1ec748d8e14a9faa input=2405ecb4933748c4]*/
+{
+    return array_array___copy___impl(self);
+}
 
 static PyObject *
 array_concat(arrayobject *a, PyObject *bb)
@@ -961,8 +1046,18 @@ ins(arrayobject *self, Py_ssize_t where, PyObject *v)
     return Py_None;
 }
 
+/*[clinic input]
+array.array.count
+
+    v: object
+    /
+
+Return number of occurrences of v in the array.
+[clinic start generated code]*/
+
 static PyObject *
-array_count(arrayobject *self, PyObject *v)
+array_array_count(arrayobject *self, PyObject *v)
+/*[clinic end generated code: output=3dd3624bf7135a3a input=d9bce9d65e39d1f5]*/
 {
     Py_ssize_t count = 0;
     Py_ssize_t i;
@@ -984,13 +1079,19 @@ array_count(arrayobject *self, PyObject *v)
     return PyLong_FromSsize_t(count);
 }
 
-PyDoc_STRVAR(count_doc,
-"count(x)\n\
-\n\
-Return number of occurrences of x in the array.");
+
+/*[clinic input]
+array.array.index
+
+    v: object
+    /
+
+Return index of first occurrence of v in the array.
+[clinic start generated code]*/
 
 static PyObject *
-array_index(arrayobject *self, PyObject *v)
+array_array_index(arrayobject *self, PyObject *v)
+/*[clinic end generated code: output=d48498d325602167 input=cf619898c6649d08]*/
 {
     Py_ssize_t i;
 
@@ -1013,11 +1114,6 @@ array_index(arrayobject *self, PyObject *v)
     return NULL;
 }
 
-PyDoc_STRVAR(index_doc,
-"index(x)\n\
-\n\
-Return index of first occurrence of x in the array.");
-
 static int
 array_contains(arrayobject *self, PyObject *v)
 {
@@ -1034,8 +1130,18 @@ array_contains(arrayobject *self, PyObject *v)
     return cmp;
 }
 
+/*[clinic input]
+array.array.remove
+
+    v: object
+    /
+
+Remove the first occurrence of v in the array.
+[clinic start generated code]*/
+
 static PyObject *
-array_remove(arrayobject *self, PyObject *v)
+array_array_remove(arrayobject *self, PyObject *v)
+/*[clinic end generated code: output=bef06be9fdf9dceb input=0b1e5aed25590027]*/
 {
     int i;
 
@@ -1062,18 +1168,23 @@ array_remove(arrayobject *self, PyObject *v)
     return NULL;
 }
 
-PyDoc_STRVAR(remove_doc,
-"remove(x)\n\
-\n\
-Remove the first occurrence of x in the array.");
+/*[clinic input]
+array.array.pop
+
+    i: Py_ssize_t = -1
+    /
+
+Return the i-th element and delete it from the array.
+
+i defaults to -1.
+[clinic start generated code]*/
 
 static PyObject *
-array_pop(arrayobject *self, PyObject *args)
+array_array_pop_impl(arrayobject *self, Py_ssize_t i)
+/*[clinic end generated code: output=bc1f0c54fe5308e4 input=8e5feb4c1a11cd44]*/
 {
-    Py_ssize_t i = -1;
     PyObject *v;
-    if (!PyArg_ParseTuple(args, "|n:pop", &i))
-        return NULL;
+
     if (Py_SIZE(self) == 0) {
         /* Special-case most common failure cause */
         PyErr_SetString(PyExc_IndexError, "pop from empty array");
@@ -1095,13 +1206,18 @@ array_pop(arrayobject *self, PyObject *args)
     return v;
 }
 
-PyDoc_STRVAR(pop_doc,
-"pop([i])\n\
-\n\
-Return the i-th element and delete it from the array. i defaults to -1.");
+/*[clinic input]
+array.array.extend
+
+    bb: object
+    /
+
+Append items to the end of the array.
+[clinic start generated code]*/
 
 static PyObject *
-array_extend(arrayobject *self, PyObject *bb)
+array_array_extend(arrayobject *self, PyObject *bb)
+/*[clinic end generated code: output=bbddbc8e8bef871d input=43be86aba5c31e44]*/
 {
     if (array_do_extend(self, bb) == -1)
         return NULL;
@@ -1109,29 +1225,35 @@ array_extend(arrayobject *self, PyObject *bb)
     return Py_None;
 }
 
-PyDoc_STRVAR(extend_doc,
-"extend(array or iterable)\n\
-\n\
- Append items to the end of the array.");
+/*[clinic input]
+array.array.insert
+
+    i: Py_ssize_t
+    v: object
+    /
+
+Insert a new item v into the array before position i.
+[clinic start generated code]*/
 
 static PyObject *
-array_insert(arrayobject *self, PyObject *args)
+array_array_insert_impl(arrayobject *self, Py_ssize_t i, PyObject *v)
+/*[clinic end generated code: output=5a3648e278348564 input=5577d1b4383e9313]*/
 {
-    Py_ssize_t i;
-    PyObject *v;
-    if (!PyArg_ParseTuple(args, "nO:insert", &i, &v))
-        return NULL;
     return ins(self, i, v);
 }
 
-PyDoc_STRVAR(insert_doc,
-"insert(i,x)\n\
-\n\
-Insert a new item x into the array before position i.");
+/*[clinic input]
+array.array.buffer_info
+
+Return a tuple (address, length) giving the current memory address and the length in items of the buffer used to hold array's contents.
 
+The length should be multiplied by the itemsize attribute to calculate
+the buffer length in bytes.
+[clinic start generated code]*/
 
 static PyObject *
-array_buffer_info(arrayobject *self, PyObject *unused)
+array_array_buffer_info_impl(arrayobject *self)
+/*[clinic end generated code: output=9b2a4ec3ae7e98e7 input=a58bae5c6e1ac6a6]*/
 {
     PyObject *retval = NULL, *v;
 
@@ -1156,29 +1278,34 @@ array_buffer_info(arrayobject *self, PyObject *unused)
     return retval;
 }
 
-PyDoc_STRVAR(buffer_info_doc,
-"buffer_info() -> (address, length)\n\
-\n\
-Return a tuple (address, length) giving the current memory address and\n\
-the length in items of the buffer used to hold array's contents\n\
-The length should be multiplied by the itemsize attribute to calculate\n\
-the buffer length in bytes.");
+/*[clinic input]
+array.array.append
+
+    v: object
+    /
 
+Append new value v to the end of the array.
+[clinic start generated code]*/
 
 static PyObject *
-array_append(arrayobject *self, PyObject *v)
+array_array_append(arrayobject *self, PyObject *v)
+/*[clinic end generated code: output=745a0669bf8db0e2 input=0b98d9d78e78f0fa]*/
 {
     return ins(self, Py_SIZE(self), v);
 }
 
-PyDoc_STRVAR(append_doc,
-"append(x)\n\
-\n\
-Append new value x to the end of the array.");
+/*[clinic input]
+array.array.byteswap
 
+Byteswap all items of the array.
+
+If the items in the array are not 1, 2, 4, or 8 bytes in size, RuntimeError is
+raised.
+[clinic start generated code]*/
 
 static PyObject *
-array_byteswap(arrayobject *self, PyObject *unused)
+array_array_byteswap_impl(arrayobject *self)
+/*[clinic end generated code: output=5f8236cbdf0d90b5 input=6a85591b950a0186]*/
 {
     char *p;
     Py_ssize_t i;
@@ -1228,14 +1355,15 @@ array_byteswap(arrayobject *self, PyObject *unused)
     return Py_None;
 }
 
-PyDoc_STRVAR(byteswap_doc,
-"byteswap()\n\
-\n\
-Byteswap all items of the array.  If the items in the array are not 1, 2,\n\
-4, or 8 bytes in size, RuntimeError is raised.");
+/*[clinic input]
+array.array.reverse
+
+Reverse the order of the items in the array.
+[clinic start generated code]*/
 
 static PyObject *
-array_reverse(arrayobject *self, PyObject *unused)
+array_array_reverse_impl(arrayobject *self)
+/*[clinic end generated code: output=c04868b36f6f4089 input=cd904f01b27d966a]*/
 {
     Py_ssize_t itemsize = self->ob_descr->itemsize;
     char *p, *q;
@@ -1261,27 +1389,26 @@ array_reverse(arrayobject *self, PyObject *unused)
     return Py_None;
 }
 
-PyDoc_STRVAR(reverse_doc,
-"reverse()\n\
-\n\
-Reverse the order of the items in the array.");
+/*[clinic input]
+array.array.fromfile
 
+    f: object
+    n: Py_ssize_t
+    /
 
-/* Forward */
-static PyObject *array_frombytes(arrayobject *self, PyObject *args);
+Read n objects from the file object f and append them to the end of the array.
+[clinic start generated code]*/
 
 static PyObject *
-array_fromfile(arrayobject *self, PyObject *args)
+array_array_fromfile_impl(arrayobject *self, PyObject *f, Py_ssize_t n)
+/*[clinic end generated code: output=ec9f600e10f53510 input=e188afe8e58adf40]*/
 {
-    PyObject *f, *b, *res;
+    PyObject *b, *res;
     Py_ssize_t itemsize = self->ob_descr->itemsize;
-    Py_ssize_t n, nbytes;
+    Py_ssize_t nbytes;
     _Py_IDENTIFIER(read);
     int not_enough_bytes;
 
-    if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
-        return NULL;
-
     if (n < 0) {
         PyErr_SetString(PyExc_ValueError, "negative count");
         return NULL;
@@ -1305,13 +1432,8 @@ array_fromfile(arrayobject *self, PyObject *args)
 
     not_enough_bytes = (PyBytes_GET_SIZE(b) != nbytes);
 
-    args = Py_BuildValue("(O)", b);
+    res = array_array_frombytes(self, b);
     Py_DECREF(b);
-    if (args == NULL)
-        return NULL;
-
-    res = array_frombytes(self, args);
-    Py_DECREF(args);
     if (res == NULL)
         return NULL;
 
@@ -1325,15 +1447,18 @@ array_fromfile(arrayobject *self, PyObject *args)
     return res;
 }
 
-PyDoc_STRVAR(fromfile_doc,
-"fromfile(f, n)\n\
-\n\
-Read n objects from the file object f and append them to the end of the\n\
-array.");
+/*[clinic input]
+array.array.tofile
 
+    f: object
+    /
+
+Write all items (as machine values) to the file object f.
+[clinic start generated code]*/
 
 static PyObject *
-array_tofile(arrayobject *self, PyObject *f)
+array_array_tofile(arrayobject *self, PyObject *f)
+/*[clinic end generated code: output=3a2cfa8128df0777 input=b0669a484aab0831]*/
 {
     Py_ssize_t nbytes = Py_SIZE(self) * self->ob_descr->itemsize;
     /* Write 64K blocks at a time */
@@ -1368,14 +1493,18 @@ array_tofile(arrayobject *self, PyObject *f)
     return Py_None;
 }
 
-PyDoc_STRVAR(tofile_doc,
-"tofile(f)\n\
-\n\
-Write all items (as machine values) to the file object f.");
+/*[clinic input]
+array.array.fromlist
 
+    list: object
+    /
+
+Append items to array from list.
+[clinic start generated code]*/
 
 static PyObject *
-array_fromlist(arrayobject *self, PyObject *list)
+array_array_fromlist(arrayobject *self, PyObject *list)
+/*[clinic end generated code: output=26411c2d228a3e3f input=be2605a96c49680f]*/
 {
     Py_ssize_t n;
 
@@ -1402,13 +1531,15 @@ array_fromlist(arrayobject *self, PyObject *list)
     return Py_None;
 }
 
-PyDoc_STRVAR(fromlist_doc,
-"fromlist(list)\n\
-\n\
-Append items to array from list.");
+/*[clinic input]
+array.array.tolist
+
+Convert array to an ordinary list with the same items.
+[clinic start generated code]*/
 
 static PyObject *
-array_tolist(arrayobject *self, PyObject *unused)
+array_array_tolist_impl(arrayobject *self)
+/*[clinic end generated code: output=00b60cc9eab8ef89 input=a8d7784a94f86b53]*/
 {
     PyObject *list = PyList_New(Py_SIZE(self));
     Py_ssize_t i;
@@ -1429,11 +1560,6 @@ error:
     return NULL;
 }
 
-PyDoc_STRVAR(tolist_doc,
-"tolist() -> list\n\
-\n\
-Convert array to an ordinary list with the same items.");
-
 static PyObject *
 frombytes(arrayobject *self, Py_buffer *buffer)
 {
@@ -1471,47 +1597,52 @@ frombytes(arrayobject *self, Py_buffer *buffer)
     return Py_None;
 }
 
+/*[clinic input]
+array.array.fromstring
+
+    buffer: Py_buffer(types={'str', 'buffer'})
+    /
+
+Appends items from the string, interpreting it as an array of machine values, as if it had been read from a file using the fromfile() method).
+
+This method is deprecated. Use frombytes instead.
+[clinic start generated code]*/
+
 static PyObject *
-array_fromstring(arrayobject *self, PyObject *args)
+array_array_fromstring_impl(arrayobject *self, Py_buffer *buffer)
+/*[clinic end generated code: output=31c4baa779df84ce input=fdde1a56cbe2b05b]*/
 {
-    Py_buffer buffer;
     if (PyErr_WarnEx(PyExc_DeprecationWarning,
             "fromstring() is deprecated. Use frombytes() instead.", 2) != 0)
         return NULL;
-    if (!PyArg_ParseTuple(args, "s*:fromstring", &buffer))
-        return NULL;
-    else
-        return frombytes(self, &buffer);
+    return frombytes(self, buffer);
 }
 
-PyDoc_STRVAR(fromstring_doc,
-"fromstring(string)\n\
-\n\
-Appends items from the string, interpreting it as an array of machine\n\
-values, as if it had been read from a file using the fromfile() method).\n\
-\n\
-This method is deprecated. Use frombytes instead.");
+/*[clinic input]
+array.array.frombytes
 
+    buffer: Py_buffer
+    /
+
+Appends items from the string, interpreting it as an array of machine values, as if it had been read from a file using the fromfile() method).
+[clinic start generated code]*/
 
 static PyObject *
-array_frombytes(arrayobject *self, PyObject *args)
+array_array_frombytes_impl(arrayobject *self, Py_buffer *buffer)
+/*[clinic end generated code: output=d9842c8f7510a516 input=2bbf2b53ebfcc988]*/
 {
-    Py_buffer buffer;
-    if (!PyArg_ParseTuple(args, "y*:frombytes", &buffer))
-        return NULL;
-    else
-        return frombytes(self, &buffer);
+    return frombytes(self, buffer);
 }
 
-PyDoc_STRVAR(frombytes_doc,
-"frombytes(bytestring)\n\
-\n\
-Appends items from the string, interpreting it as an array of machine\n\
-values, as if it had been read from a file using the fromfile() method).");
+/*[clinic input]
+array.array.tobytes
 
+Convert the array to an array of machine values and return the bytes representation.
+[clinic start generated code]*/
 
 static PyObject *
-array_tobytes(arrayobject *self, PyObject *unused)
+array_array_tobytes_impl(arrayobject *self)
+/*[clinic end generated code: output=87318e4edcdc2bb6 input=90ee495f96de34f5]*/
 {
     if (Py_SIZE(self) <= PY_SSIZE_T_MAX / self->ob_descr->itemsize) {
         return PyBytes_FromStringAndSize(self->ob_item,
@@ -1521,40 +1652,44 @@ array_tobytes(arrayobject *self, PyObject *unused)
     }
 }
 
-PyDoc_STRVAR(tobytes_doc,
-"tobytes() -> bytes\n\
-\n\
-Convert the array to an array of machine values and return the bytes\n\
-representation.");
+/*[clinic input]
+array.array.tostring
 
+Convert the array to an array of machine values and return the bytes representation.
+
+This method is deprecated. Use tobytes instead.
+[clinic start generated code]*/
 
 static PyObject *
-array_tostring(arrayobject *self, PyObject *unused)
+array_array_tostring_impl(arrayobject *self)
+/*[clinic end generated code: output=7d6bd92745a2c8f3 input=b6c0ddee7b30457e]*/
 {
     if (PyErr_WarnEx(PyExc_DeprecationWarning,
             "tostring() is deprecated. Use tobytes() instead.", 2) != 0)
         return NULL;
-    return array_tobytes(self, unused);
+    return array_array_tobytes_impl(self);
 }
 
-PyDoc_STRVAR(tostring_doc,
-"tostring() -> bytes\n\
-\n\
-Convert the array to an array of machine values and return the bytes\n\
-representation.\n\
-\n\
-This method is deprecated. Use tobytes instead.");
+/*[clinic input]
+array.array.fromunicode
 
+    ustr: Py_UNICODE(length=True)
+    /
+
+Extends this array with data from the unicode string ustr.
+
+The array must be a unicode type array; otherwise a ValueError is raised.
+Use array.frombytes(ustr.encode(...)) to append Unicode data to an array of
+some other type.
+[clinic start generated code]*/
 
 static PyObject *
-array_fromunicode(arrayobject *self, PyObject *args)
+array_array_fromunicode_impl(arrayobject *self, Py_UNICODE *ustr,
+                             Py_ssize_clean_t ustr_length)
+/*[clinic end generated code: output=ebb72fc16975e06d input=56bcedb5ef70139f]*/
 {
-    Py_UNICODE *ustr;
-    Py_ssize_t n;
     char typecode;
 
-    if (!PyArg_ParseTuple(args, "u#:fromunicode", &ustr, &n))
-        return NULL;
     typecode = self->ob_descr->typecode;
     if (typecode != 'u') {
         PyErr_SetString(PyExc_ValueError,
@@ -1562,29 +1697,30 @@ array_fromunicode(arrayobject *self, PyObject *args)
             "unicode type arrays");
         return NULL;
     }
-    if (n > 0) {
+    if (ustr_length > 0) {
         Py_ssize_t old_size = Py_SIZE(self);
-        if (array_resize(self, old_size + n) == -1)
+        if (array_resize(self, old_size + ustr_length) == -1)
             return NULL;
         memcpy(self->ob_item + old_size * sizeof(Py_UNICODE),
-               ustr, n * sizeof(Py_UNICODE));
+               ustr, ustr_length * sizeof(Py_UNICODE));
     }
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(fromunicode_doc,
-"fromunicode(ustr)\n\
-\n\
-Extends this array with data from the unicode string ustr.\n\
-The array must be a unicode type array; otherwise a ValueError\n\
-is raised.  Use array.frombytes(ustr.encode(...)) to\n\
-append Unicode data to an array of some other type.");
+/*[clinic input]
+array.array.tounicode
 
+Extends this array with data from the unicode string ustr.
+
+Convert the array to a unicode string.  The array must be a unicode type array;
+otherwise a ValueError is raised.  Use array.tobytes().decode() to obtain a
+unicode string from an array of some other type.
+[clinic start generated code]*/
 
 static PyObject *
-array_tounicode(arrayobject *self, PyObject *unused)
+array_array_tounicode_impl(arrayobject *self)
+/*[clinic end generated code: output=08e442378336e1ef input=127242eebe70b66d]*/
 {
     char typecode;
     typecode = self->ob_descr->typecode;
@@ -1596,70 +1732,24 @@ array_tounicode(arrayobject *self, PyObject *unused)
     return PyUnicode_FromUnicode((Py_UNICODE *) self->ob_item, Py_SIZE(self));
 }
 
-PyDoc_STRVAR(tounicode_doc,
-"tounicode() -> unicode\n\
-\n\
-Convert the array to a unicode string.  The array must be\n\
-a unicode type array; otherwise a ValueError is raised.  Use\n\
-array.tobytes().decode() to obtain a unicode string from\n\
-an array of some other type.");
+/*[clinic input]
+array.array.__sizeof__
 
+Size of the array in memory, in bytes.
+[clinic start generated code]*/
 
 static PyObject *
-array_sizeof(arrayobject *self, PyObject *unused)
+array_array___sizeof___impl(arrayobject *self)
+/*[clinic end generated code: output=d8e1c61ebbe3eaed input=805586565bf2b3c6]*/
 {
     Py_ssize_t res;
     res = sizeof(arrayobject) + self->allocated * self->ob_descr->itemsize;
     return PyLong_FromSsize_t(res);
 }
 
-PyDoc_STRVAR(sizeof_doc,
-"__sizeof__() -> int\n\
-\n\
-Size of the array in memory, in bytes.");
-
 
 /*********************** Pickling support ************************/
 
-enum machine_format_code {
-    UNKNOWN_FORMAT = -1,
-    /* UNKNOWN_FORMAT is used to indicate that the machine format for an
-     * array type code cannot be interpreted. When this occurs, a list of
-     * Python objects is used to represent the content of the array
-     * instead of using the memory content of the array directly. In that
-     * case, the array_reconstructor mechanism is bypassed completely, and
-     * the standard array constructor is used instead.
-     *
-     * This is will most likely occur when the machine doesn't use IEEE
-     * floating-point numbers.
-     */
-
-    UNSIGNED_INT8 = 0,
-    SIGNED_INT8 = 1,
-    UNSIGNED_INT16_LE = 2,
-    UNSIGNED_INT16_BE = 3,
-    SIGNED_INT16_LE = 4,
-    SIGNED_INT16_BE = 5,
-    UNSIGNED_INT32_LE = 6,
-    UNSIGNED_INT32_BE = 7,
-    SIGNED_INT32_LE = 8,
-    SIGNED_INT32_BE = 9,
-    UNSIGNED_INT64_LE = 10,
-    UNSIGNED_INT64_BE = 11,
-    SIGNED_INT64_LE = 12,
-    SIGNED_INT64_BE = 13,
-    IEEE_754_FLOAT_LE = 14,
-    IEEE_754_FLOAT_BE = 15,
-    IEEE_754_DOUBLE_LE = 16,
-    IEEE_754_DOUBLE_BE = 17,
-    UTF16_LE = 18,
-    UTF16_BE = 19,
-    UTF32_LE = 20,
-    UTF32_BE = 21
-};
-#define MACHINE_FORMAT_CODE_MIN 0
-#define MACHINE_FORMAT_CODE_MAX 21
-
 static const struct mformatdescr {
     size_t size;
     int is_signed;
@@ -1835,21 +1925,29 @@ make_array(PyTypeObject *arraytype, char typecode, PyObject *items)
  * This functions is a special constructor used when unpickling an array. It
  * provides a portable way to rebuild an array from its memory representation.
  */
+/*[clinic input]
+array._array_reconstructor
+
+    arraytype: object(type="PyTypeObject *")
+    typecode: int(types={'str'})
+    mformat_code: int(type="enum machine_format_code")
+    items: object
+    /
+
+Internal. Used for pickling support.
+[clinic start generated code]*/
+
 static PyObject *
-array_reconstructor(PyObject *self, PyObject *args)
+array__array_reconstructor_impl(PyModuleDef *module, PyTypeObject *arraytype,
+                                int typecode,
+                                enum machine_format_code mformat_code,
+                                PyObject *items)
+/*[clinic end generated code: output=6ecbf0e8e4d92ab9 input=a9ae223306d7b262]*/
 {
-    PyTypeObject *arraytype;
-    PyObject *items;
     PyObject *converted_items;
     PyObject *result;
-    int typecode;
-    enum machine_format_code mformat_code;
     struct arraydescr *descr;
 
-    if (!PyArg_ParseTuple(args, "OCiO:array._array_reconstructor",
-                    &arraytype, &typecode, &mformat_code, &items))
-        return NULL;
-
     if (!PyType_Check(arraytype)) {
         PyErr_Format(PyExc_TypeError,
             "first argument must a type object, not %.200s",
@@ -2000,7 +2098,7 @@ array_reconstructor(PyObject *self, PyObject *args)
          */
         for (descr = descriptors; descr->typecode != '\0'; descr++) {
             if (descr->is_integer_type &&
-                descr->itemsize == mf_descr.size &&
+                (size_t)descr->itemsize == mf_descr.size &&
                 descr->is_signed == mf_descr.is_signed)
                 typecode = descr->typecode;
         }
@@ -2038,13 +2136,23 @@ array_reconstructor(PyObject *self, PyObject *args)
     return result;
 }
 
+/*[clinic input]
+array.array.__reduce_ex__
+
+    value: object
+    /
+
+Return state information for pickling.
+[clinic start generated code]*/
+
 static PyObject *
-array_reduce_ex(arrayobject *array, PyObject *value)
+array_array___reduce_ex__(arrayobject *self, PyObject *value)
+/*[clinic end generated code: output=051e0a6175d0eddb input=c36c3f85de7df6cd]*/
 {
     PyObject *dict;
     PyObject *result;
     PyObject *array_str;
-    int typecode = array->ob_descr->typecode;
+    int typecode = self->ob_descr->typecode;
     int mformat_code;
     static PyObject *array_reconstructor = NULL;
     long protocol;
@@ -2072,7 +2180,7 @@ array_reduce_ex(arrayobject *array, PyObject *value)
     if (protocol == -1 && PyErr_Occurred())
         return NULL;
 
-    dict = _PyObject_GetAttrId((PyObject *)array, &PyId___dict__);
+    dict = _PyObject_GetAttrId((PyObject *)self, &PyId___dict__);
     if (dict == NULL) {
         if (!PyErr_ExceptionMatches(PyExc_AttributeError))
             return NULL;
@@ -2095,32 +2203,30 @@ array_reduce_ex(arrayobject *array, PyObject *value)
          * coercing unicode objects to bytes in array_reconstructor.
          */
         PyObject *list;
-        list = array_tolist(array, NULL);
+        list = array_array_tolist_impl(self);
         if (list == NULL) {
             Py_DECREF(dict);
             return NULL;
         }
         result = Py_BuildValue(
-            "O(CO)O", Py_TYPE(array), typecode, list, dict);
+            "O(CO)O", Py_TYPE(self), typecode, list, dict);
         Py_DECREF(list);
         Py_DECREF(dict);
         return result;
     }
 
-    array_str = array_tobytes(array, NULL);
+    array_str = array_array_tobytes_impl(self);
     if (array_str == NULL) {
         Py_DECREF(dict);
         return NULL;
     }
     result = Py_BuildValue(
-        "O(OCiN)O", array_reconstructor, Py_TYPE(array), typecode,
+        "O(OCiN)O", array_reconstructor, Py_TYPE(self), typecode,
         mformat_code, array_str, dict);
     Py_DECREF(dict);
     return result;
 }
 
-PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
-
 static PyObject *
 array_get_typecode(arrayobject *a, void *closure)
 {
@@ -2143,55 +2249,31 @@ static PyGetSetDef array_getsets [] = {
 };
 
 static PyMethodDef array_methods[] = {
-    {"append",          (PyCFunction)array_append,      METH_O,
-     append_doc},
-    {"buffer_info",     (PyCFunction)array_buffer_info, METH_NOARGS,
-     buffer_info_doc},
-    {"byteswap",        (PyCFunction)array_byteswap,    METH_NOARGS,
-     byteswap_doc},
-    {"__copy__",        (PyCFunction)array_copy,        METH_NOARGS,
-     copy_doc},
-    {"count",           (PyCFunction)array_count,       METH_O,
-     count_doc},
-    {"__deepcopy__",    (PyCFunction)array_copy,        METH_O,
-     copy_doc},
-    {"extend",          (PyCFunction)array_extend,      METH_O,
-     extend_doc},
-    {"fromfile",        (PyCFunction)array_fromfile,    METH_VARARGS,
-     fromfile_doc},
-    {"fromlist",        (PyCFunction)array_fromlist,    METH_O,
-     fromlist_doc},
-    {"fromstring",      (PyCFunction)array_fromstring,  METH_VARARGS,
-     fromstring_doc},
-    {"frombytes",       (PyCFunction)array_frombytes,   METH_VARARGS,
-     frombytes_doc},
-    {"fromunicode",     (PyCFunction)array_fromunicode, METH_VARARGS,
-     fromunicode_doc},
-    {"index",           (PyCFunction)array_index,       METH_O,
-     index_doc},
-    {"insert",          (PyCFunction)array_insert,      METH_VARARGS,
-     insert_doc},
-    {"pop",             (PyCFunction)array_pop,         METH_VARARGS,
-     pop_doc},
-    {"__reduce_ex__",   (PyCFunction)array_reduce_ex,   METH_O,
-     reduce_doc},
-    {"remove",          (PyCFunction)array_remove,      METH_O,
-     remove_doc},
-    {"reverse",         (PyCFunction)array_reverse,     METH_NOARGS,
-     reverse_doc},
-    {"tofile",          (PyCFunction)array_tofile,      METH_O,
-     tofile_doc},
-    {"tolist",          (PyCFunction)array_tolist,      METH_NOARGS,
-     tolist_doc},
-    {"tostring",        (PyCFunction)array_tostring,    METH_NOARGS,
-     tostring_doc},
-    {"tobytes",         (PyCFunction)array_tobytes,     METH_NOARGS,
-     tobytes_doc},
-    {"tounicode",       (PyCFunction)array_tounicode,   METH_NOARGS,
-     tounicode_doc},
-    {"__sizeof__",      (PyCFunction)array_sizeof,      METH_NOARGS,
-     sizeof_doc},
-    {NULL,              NULL}           /* sentinel */
+    ARRAY_ARRAY_APPEND_METHODDEF
+    ARRAY_ARRAY_BUFFER_INFO_METHODDEF
+    ARRAY_ARRAY_BYTESWAP_METHODDEF
+    ARRAY_ARRAY___COPY___METHODDEF
+    ARRAY_ARRAY_COUNT_METHODDEF
+    ARRAY_ARRAY___DEEPCOPY___METHODDEF
+    ARRAY_ARRAY_EXTEND_METHODDEF
+    ARRAY_ARRAY_FROMFILE_METHODDEF
+    ARRAY_ARRAY_FROMLIST_METHODDEF
+    ARRAY_ARRAY_FROMSTRING_METHODDEF
+    ARRAY_ARRAY_FROMBYTES_METHODDEF
+    ARRAY_ARRAY_FROMUNICODE_METHODDEF
+    ARRAY_ARRAY_INDEX_METHODDEF
+    ARRAY_ARRAY_INSERT_METHODDEF
+    ARRAY_ARRAY_POP_METHODDEF
+    ARRAY_ARRAY___REDUCE_EX___METHODDEF
+    ARRAY_ARRAY_REMOVE_METHODDEF
+    ARRAY_ARRAY_REVERSE_METHODDEF
+    ARRAY_ARRAY_TOFILE_METHODDEF
+    ARRAY_ARRAY_TOLIST_METHODDEF
+    ARRAY_ARRAY_TOSTRING_METHODDEF
+    ARRAY_ARRAY_TOBYTES_METHODDEF
+    ARRAY_ARRAY_TOUNICODE_METHODDEF
+    ARRAY_ARRAY___SIZEOF___METHODDEF
+    {NULL, NULL}  /* sentinel */
 };
 
 static PyObject *
@@ -2207,9 +2289,9 @@ array_repr(arrayobject *a)
         return PyUnicode_FromFormat("array('%c')", (int)typecode);
     }
     if (typecode == 'u') {
-        v = array_tounicode(a, NULL);
+        v = array_array_tounicode_impl(a);
     } else {
-        v = array_tolist(a, NULL);
+        v = array_array_tolist_impl(a);
     }
     if (v == NULL)
         return NULL;
@@ -2446,7 +2528,11 @@ static const void *emptybuf = "";
 static int
 array_buffer_getbuf(arrayobject *self, Py_buffer *view, int flags)
 {
-    if (view==NULL) goto finish;
+    if (view == NULL) {
+        PyErr_SetString(PyExc_BufferError,
+            "array_buffer_getbuf: view==NULL argument is obsolete");
+        return -1;
+    }
 
     view->buf = (void *)self->ob_item;
     view->obj = (PyObject*)self;
@@ -2476,7 +2562,6 @@ array_buffer_getbuf(arrayobject *self, Py_buffer *view, int flags)
 #endif
     }
 
- finish:
     self->ob_exports++;
     return 0;
 }
@@ -2586,15 +2671,9 @@ array_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
             }
             else if (initial != NULL && (PyByteArray_Check(initial) ||
                                PyBytes_Check(initial))) {
-                PyObject *t_initial, *v;
-                t_initial = PyTuple_Pack(1, initial);
-                if (t_initial == NULL) {
-                    Py_DECREF(a);
-                    return NULL;
-                }
-                v = array_frombytes((arrayobject *)a,
-                                         t_initial);
-                Py_DECREF(t_initial);
+                PyObject *v;
+                v = array_array_frombytes((arrayobject *)a,
+                                          initial);
                 if (v == NULL) {
                     Py_DECREF(a);
                     return NULL;
@@ -2766,16 +2845,10 @@ static PyTypeObject Arraytype = {
 
 /*********************** Array Iterator **************************/
 
-typedef struct {
-    PyObject_HEAD
-    Py_ssize_t                          index;
-    arrayobject                 *ao;
-    PyObject                    * (*getitem)(struct arrayobject *, Py_ssize_t);
-} arrayiterobject;
-
-static PyTypeObject PyArrayIter_Type;
-
-#define PyArrayIter_Check(op) PyObject_TypeCheck(op, &PyArrayIter_Type)
+/*[clinic input]
+class array.arrayiterator "arrayiterobject *" "&PyArrayIter_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=5aefd2d74d8c8e30]*/
 
 static PyObject *
 array_iter(arrayobject *ao)
@@ -2823,33 +2896,47 @@ arrayiter_traverse(arrayiterobject *it, visitproc visit, void *arg)
     return 0;
 }
 
+/*[clinic input]
+array.arrayiterator.__reduce__
+
+Return state information for pickling.
+[clinic start generated code]*/
+
 static PyObject *
-arrayiter_reduce(arrayiterobject *it)
+array_arrayiterator___reduce___impl(arrayiterobject *self)
+/*[clinic end generated code: output=7898a52e8e66e016 input=a062ea1e9951417a]*/
 {
     return Py_BuildValue("N(O)n", _PyObject_GetBuiltin("iter"),
-                         it->ao, it->index);
+                         self->ao, self->index);
 }
 
+/*[clinic input]
+array.arrayiterator.__setstate__
+
+    state: object
+    /
+
+Set state information for unpickling.
+[clinic start generated code]*/
+
 static PyObject *
-arrayiter_setstate(arrayiterobject *it, PyObject *state)
+array_arrayiterator___setstate__(arrayiterobject *self, PyObject *state)
+/*[clinic end generated code: output=397da9904e443cbe input=f47d5ceda19e787b]*/
 {
     Py_ssize_t index = PyLong_AsSsize_t(state);
     if (index == -1 && PyErr_Occurred())
         return NULL;
     if (index < 0)
         index = 0;
-    else if (index > Py_SIZE(it->ao))
-        index = Py_SIZE(it->ao); /* iterator exhausted */
-    it->index = index;
+    else if (index > Py_SIZE(self->ao))
+        index = Py_SIZE(self->ao); /* iterator exhausted */
+    self->index = index;
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(setstate_doc, "Set state information for unpickling.");
 static PyMethodDef arrayiter_methods[] = {
-    {"__reduce__",      (PyCFunction)arrayiter_reduce, METH_NOARGS,
-     reduce_doc},
-    {"__setstate__",    (PyCFunction)arrayiter_setstate, METH_O,
-     setstate_doc},
+    ARRAY_ARRAYITERATOR___REDUCE___METHODDEF
+    ARRAY_ARRAYITERATOR___SETSTATE___METHODDEF
     {NULL, NULL} /* sentinel */
 };
 
@@ -2890,8 +2977,7 @@ static PyTypeObject PyArrayIter_Type = {
 
 /* No functions in array module. */
 static PyMethodDef a_methods[] = {
-    {"_array_reconstructor", array_reconstructor, METH_VARARGS,
-     PyDoc_STR("Internal. Used for pickling support.")},
+    ARRAY__ARRAY_RECONSTRUCTOR_METHODDEF
     {NULL, NULL, 0, NULL}        /* Sentinel */
 };
 
diff --git a/Modules/atexitmodule.c b/Modules/atexitmodule.c
index 9887014..739c188 100644
--- a/Modules/atexitmodule.c
+++ b/Modules/atexitmodule.c
@@ -60,7 +60,7 @@ atexit_cleanup(atexitmodule_state *modstate)
     modstate->ncallbacks = 0;
 }
 
-/* Installed into pythonrun.c's atexit mechanism */
+/* Installed into pylifecycle.c's atexit mechanism */
 
 static void
 atexit_callfuncs(void)
@@ -94,7 +94,7 @@ atexit_callfuncs(void)
             if (exc_type) {
                 Py_DECREF(exc_type);
                 Py_XDECREF(exc_value);
-                Py_XDECREF(exc_tb);    
+                Py_XDECREF(exc_tb);
             }
             PyErr_Fetch(&exc_type, &exc_value, &exc_tb);
             if (!PyErr_ExceptionMatches(PyExc_SystemExit)) {
@@ -147,7 +147,7 @@ atexit_register(PyObject *self, PyObject *args, PyObject *kwargs)
     if (PyTuple_GET_SIZE(args) == 0) {
         PyErr_SetString(PyExc_TypeError,
                 "register() takes at least 1 argument (0 given)");
-        return NULL; 
+        return NULL;
     }
 
     func = PyTuple_GET_ITEM(args, 0);
@@ -159,7 +159,7 @@ atexit_register(PyObject *self, PyObject *args, PyObject *kwargs)
 
     new_callback = PyMem_Malloc(sizeof(atexit_callback));
     if (new_callback == NULL)
-        return PyErr_NoMemory();   
+        return PyErr_NoMemory();
 
     new_callback->args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
     if (new_callback->args == NULL) {
@@ -336,7 +336,7 @@ PyInit_atexit(void)
     modstate = GET_ATEXIT_STATE(m);
     modstate->callback_len = 32;
     modstate->ncallbacks = 0;
-    modstate->atexit_callbacks = PyMem_New(atexit_callback*, 
+    modstate->atexit_callbacks = PyMem_New(atexit_callback*,
                                            modstate->callback_len);
     if (modstate->atexit_callbacks == NULL)
         return NULL;
diff --git a/Modules/audioop.c b/Modules/audioop.c
index 2d287f2..d49596f 100644
--- a/Modules/audioop.c
+++ b/Modules/audioop.c
@@ -391,10 +391,9 @@ audioop_check_parameters(Py_ssize_t len, int size)
 }
 
 /*[clinic input]
-output preset file
 module audioop
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=5619f935f269199a]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=8fa8f6611be3591a]*/
 
 /*[clinic input]
 audioop.getsample
@@ -408,8 +407,9 @@ Return the value of sample index from the fragment.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_getsample_impl(PyModuleDef *module, Py_buffer *fragment, int width, Py_ssize_t index)
-/*[clinic end generated code: output=f4482497e6f6e78f input=88edbe2871393549]*/
+audioop_getsample_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                       Py_ssize_t index)
+/*[clinic end generated code: output=3995e189fdc8ec16 input=88edbe2871393549]*/
 {
     int val;
 
@@ -594,8 +594,9 @@ Try to match reference as well as possible to a portion of fragment.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_findfit_impl(PyModuleDef *module, Py_buffer *fragment, Py_buffer *reference)
-/*[clinic end generated code: output=505fd04d4244db31 input=62c305605e183c9a]*/
+audioop_findfit_impl(PyModuleDef *module, Py_buffer *fragment,
+                     Py_buffer *reference)
+/*[clinic end generated code: output=609eedf5d823d6dd input=62c305605e183c9a]*/
 {
     const short *cp1, *cp2;
     Py_ssize_t len1, len2;
@@ -662,8 +663,9 @@ Return a factor F such that rms(add(fragment, mul(reference, -F))) is minimal.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_findfactor_impl(PyModuleDef *module, Py_buffer *fragment, Py_buffer *reference)
-/*[clinic end generated code: output=ddf35a1e57575ce4 input=816680301d012b21]*/
+audioop_findfactor_impl(PyModuleDef *module, Py_buffer *fragment,
+                        Py_buffer *reference)
+/*[clinic end generated code: output=5566a8c55de54f99 input=816680301d012b21]*/
 {
     const short *cp1, *cp2;
     Py_ssize_t len;
@@ -703,8 +705,9 @@ Search fragment for a slice of specified number of samples with maximum energy.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_findmax_impl(PyModuleDef *module, Py_buffer *fragment, Py_ssize_t length)
-/*[clinic end generated code: output=21d0c2a1e5655134 input=2f304801ed42383c]*/
+audioop_findmax_impl(PyModuleDef *module, Py_buffer *fragment,
+                     Py_ssize_t length)
+/*[clinic end generated code: output=01fe796fad2573bb input=2f304801ed42383c]*/
 {
     const short *cp1;
     Py_ssize_t len1;
@@ -897,8 +900,9 @@ Return a fragment that has all samples in the original fragment multiplied by th
 [clinic start generated code]*/
 
 static PyObject *
-audioop_mul_impl(PyModuleDef *module, Py_buffer *fragment, int width, double factor)
-/*[clinic end generated code: output=a697ebbd5852d38f input=c726667baa157d3c]*/
+audioop_mul_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                 double factor)
+/*[clinic end generated code: output=1c7c31191ac86b10 input=c726667baa157d3c]*/
 {
     signed char *ncp;
     Py_ssize_t i;
@@ -938,8 +942,9 @@ Convert a stereo fragment to a mono fragment.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_tomono_impl(PyModuleDef *module, Py_buffer *fragment, int width, double lfactor, double rfactor)
-/*[clinic end generated code: output=436e7710521661dd input=c4ec949b3f4dddfa]*/
+audioop_tomono_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                    double lfactor, double rfactor)
+/*[clinic end generated code: output=553f547c5e29e3b6 input=c4ec949b3f4dddfa]*/
 {
     signed char *cp, *ncp;
     Py_ssize_t len, i;
@@ -986,8 +991,9 @@ Generate a stereo fragment from a mono fragment.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_tostereo_impl(PyModuleDef *module, Py_buffer *fragment, int width, double lfactor, double rfactor)
-/*[clinic end generated code: output=6ff50681c87f4c1c input=27b6395ebfdff37a]*/
+audioop_tostereo_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                      double lfactor, double rfactor)
+/*[clinic end generated code: output=697bb6ba41e9dd2c input=27b6395ebfdff37a]*/
 {
     signed char *ncp;
     Py_ssize_t i;
@@ -1033,8 +1039,9 @@ Return a fragment which is the addition of the two samples passed as parameters.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_add_impl(PyModuleDef *module, Py_buffer *fragment1, Py_buffer *fragment2, int width)
-/*[clinic end generated code: output=f9218bf9ea75c3f1 input=4a8d4bae4c1605c7]*/
+audioop_add_impl(PyModuleDef *module, Py_buffer *fragment1,
+                 Py_buffer *fragment2, int width)
+/*[clinic end generated code: output=fe6c12f143e0b027 input=4a8d4bae4c1605c7]*/
 {
     signed char *ncp;
     Py_ssize_t i;
@@ -1091,8 +1098,9 @@ Return a fragment that is the original fragment with a bias added to each sample
 [clinic start generated code]*/
 
 static PyObject *
-audioop_bias_impl(PyModuleDef *module, Py_buffer *fragment, int width, int bias)
-/*[clinic end generated code: output=8ec80b3f5d510a51 input=2b5cce5c3bb4838c]*/
+audioop_bias_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                  int bias)
+/*[clinic end generated code: output=ac1f4dda20a01c26 input=2b5cce5c3bb4838c]*/
 {
     signed char *ncp;
     Py_ssize_t i;
@@ -1218,8 +1226,9 @@ Convert samples between 1-, 2-, 3- and 4-byte formats.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_lin2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width, int newwidth)
-/*[clinic end generated code: output=3f9468a74472a93e input=5ce08c8aa2f24d96]*/
+audioop_lin2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                     int newwidth)
+/*[clinic end generated code: output=cb6ca950d1df9898 input=5ce08c8aa2f24d96]*/
 {
     unsigned char *ncp;
     Py_ssize_t i, j;
@@ -1275,8 +1284,10 @@ Convert the frame rate of the input fragment.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_ratecv_impl(PyModuleDef *module, Py_buffer *fragment, int width, int nchannels, int inrate, int outrate, PyObject *state, int weightA, int weightB)
-/*[clinic end generated code: output=5585dddc4b5ff236 input=aff3acdc94476191]*/
+audioop_ratecv_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                    int nchannels, int inrate, int outrate, PyObject *state,
+                    int weightA, int weightB)
+/*[clinic end generated code: output=59e1787bfa49b9d9 input=aff3acdc94476191]*/
 {
     char *cp, *ncp;
     Py_ssize_t len;
@@ -1602,8 +1613,9 @@ Convert samples to 4 bit Intel/DVI ADPCM encoding.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_lin2adpcm_impl(PyModuleDef *module, Py_buffer *fragment, int width, PyObject *state)
-/*[clinic end generated code: output=4654c29d2731fafe input=12919d549b90c90a]*/
+audioop_lin2adpcm_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                       PyObject *state)
+/*[clinic end generated code: output=93f0996f592b5ce5 input=12919d549b90c90a]*/
 {
     signed char *ncp;
     Py_ssize_t i;
@@ -1724,8 +1736,9 @@ Decode an Intel/DVI ADPCM coded fragment to a linear fragment.
 [clinic start generated code]*/
 
 static PyObject *
-audioop_adpcm2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width, PyObject *state)
-/*[clinic end generated code: output=371965cdcc0aa69b input=f5221144f5ca9ef0]*/
+audioop_adpcm2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                       PyObject *state)
+/*[clinic end generated code: output=236cf6dc2c829181 input=f5221144f5ca9ef0]*/
 {
     signed char *cp;
     signed char *ncp;
diff --git a/Modules/binascii.c b/Modules/binascii.c
index ea14d3c..ceee4f1 100644
--- a/Modules/binascii.c
+++ b/Modules/binascii.c
@@ -184,10 +184,9 @@ static unsigned short crctab_hqx[256] = {
 };
 
 /*[clinic input]
-output preset file
 module binascii
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=44c6f840ce708f0c]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=de89fb46bcaf3fec]*/
 
 /*[python input]
 
@@ -1382,8 +1381,9 @@ are both encoded.  When quotetabs is set, space and tabs are encoded.
 [clinic start generated code]*/
 
 static PyObject *
-binascii_b2a_qp_impl(PyModuleDef *module, Py_buffer *data, int quotetabs, int istext, int header)
-/*[clinic end generated code: output=ff2991ba640fff3e input=7f2a9aaa008e92b2]*/
+binascii_b2a_qp_impl(PyModuleDef *module, Py_buffer *data, int quotetabs,
+                     int istext, int header)
+/*[clinic end generated code: output=a87ca9ccb94e2a9f input=7f2a9aaa008e92b2]*/
 {
     Py_ssize_t in, out;
     unsigned char *databuf, *odata;
diff --git a/Modules/cjkcodecs/_codecs_iso2022.c b/Modules/cjkcodecs/_codecs_iso2022.c
index 5c401aa..1ce4218 100644
--- a/Modules/cjkcodecs/_codecs_iso2022.c
+++ b/Modules/cjkcodecs/_codecs_iso2022.c
@@ -292,7 +292,7 @@ iso2022processesc(const void *config, MultibyteCodec_State *state,
                   const unsigned char **inbuf, Py_ssize_t *inleft)
 {
     unsigned char charset, designation;
-    Py_ssize_t i, esclen;
+    Py_ssize_t i, esclen = 0;
 
     for (i = 1;i < MAX_ESCSEQLEN;i++) {
         if (i >= *inleft)
@@ -307,10 +307,9 @@ iso2022processesc(const void *config, MultibyteCodec_State *state,
         }
     }
 
-    if (i >= MAX_ESCSEQLEN)
-        return 1; /* unterminated escape sequence */
-
     switch (esclen) {
+    case 0:
+        return 1; /* unterminated escape sequence */
     case 3:
         if (INBYTE2 == '$') {
             charset = INBYTE3 | CHARSET_DBCS;
diff --git a/Modules/cjkcodecs/cjkcodecs.h b/Modules/cjkcodecs/cjkcodecs.h
index d15ccfb..23642df 100644
--- a/Modules/cjkcodecs/cjkcodecs.h
+++ b/Modules/cjkcodecs/cjkcodecs.h
@@ -362,7 +362,7 @@ importmap(const char *modname, const char *symbol,
     if (mod == NULL)
         return -1;
 
-    o = PyObject_GetAttrString(mod, (char*)symbol);
+    o = PyObject_GetAttrString(mod, symbol);
     if (o == NULL)
         goto errorexit;
     else if (!PyCapsule_IsValid(o, PyMultibyteCodec_CAPSULE_NAME)) {
@@ -401,7 +401,7 @@ errorexit:
         NULL,                                                           \
         NULL                                                            \
     };                                                                  \
-    PyObject*                                                           \
+    PyMODINIT_FUNC                                                      \
     PyInit__codecs_##loc(void)                                          \
     {                                                                   \
         PyObject *m = PyModule_Create(&__module);                       \
diff --git a/Modules/cjkcodecs/clinic/multibytecodec.c.h b/Modules/cjkcodecs/clinic/multibytecodec.c.h
new file mode 100644
index 0000000..d2bad32
--- /dev/null
+++ b/Modules/cjkcodecs/clinic/multibytecodec.c.h
@@ -0,0 +1,324 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_multibytecodec_MultibyteCodec_encode__doc__,
+"encode($self, /, input, errors=None)\n"
+"--\n"
+"\n"
+"Return an encoded string version of `input\'.\n"
+"\n"
+"\'errors\' may be given to set a different error handling scheme. Default is\n"
+"\'strict\' meaning that encoding errors raise a UnicodeEncodeError. Other possible\n"
+"values are \'ignore\', \'replace\' and \'xmlcharrefreplace\' as well as any other name\n"
+"registered with codecs.register_error that can handle UnicodeEncodeErrors.");
+
+#define _MULTIBYTECODEC_MULTIBYTECODEC_ENCODE_METHODDEF    \
+    {"encode", (PyCFunction)_multibytecodec_MultibyteCodec_encode, METH_VARARGS|METH_KEYWORDS, _multibytecodec_MultibyteCodec_encode__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteCodec_encode_impl(MultibyteCodecObject *self,
+                                           PyObject *input,
+                                           const char *errors);
+
+static PyObject *
+_multibytecodec_MultibyteCodec_encode(MultibyteCodecObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"input", "errors", NULL};
+    PyObject *input;
+    const char *errors = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|z:encode", _keywords,
+        &input, &errors))
+        goto exit;
+    return_value = _multibytecodec_MultibyteCodec_encode_impl(self, input, errors);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteCodec_decode__doc__,
+"decode($self, /, input, errors=None)\n"
+"--\n"
+"\n"
+"Decodes \'input\'.\n"
+"\n"
+"\'errors\' may be given to set a different error handling scheme. Default is\n"
+"\'strict\' meaning that encoding errors raise a UnicodeDecodeError. Other possible\n"
+"values are \'ignore\' and \'replace\' as well as any other name registered with\n"
+"codecs.register_error that is able to handle UnicodeDecodeErrors.\"");
+
+#define _MULTIBYTECODEC_MULTIBYTECODEC_DECODE_METHODDEF    \
+    {"decode", (PyCFunction)_multibytecodec_MultibyteCodec_decode, METH_VARARGS|METH_KEYWORDS, _multibytecodec_MultibyteCodec_decode__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteCodec_decode_impl(MultibyteCodecObject *self,
+                                           Py_buffer *input,
+                                           const char *errors);
+
+static PyObject *
+_multibytecodec_MultibyteCodec_decode(MultibyteCodecObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"input", "errors", NULL};
+    Py_buffer input = {NULL, NULL};
+    const char *errors = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "y*|z:decode", _keywords,
+        &input, &errors))
+        goto exit;
+    return_value = _multibytecodec_MultibyteCodec_decode_impl(self, &input, errors);
+
+exit:
+    /* Cleanup for input */
+    if (input.obj)
+       PyBuffer_Release(&input);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteIncrementalEncoder_encode__doc__,
+"encode($self, /, input, final=0)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTEINCREMENTALENCODER_ENCODE_METHODDEF    \
+    {"encode", (PyCFunction)_multibytecodec_MultibyteIncrementalEncoder_encode, METH_VARARGS|METH_KEYWORDS, _multibytecodec_MultibyteIncrementalEncoder_encode__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalEncoder_encode_impl(MultibyteIncrementalEncoderObject *self,
+                                                        PyObject *input,
+                                                        int final);
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalEncoder_encode(MultibyteIncrementalEncoderObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"input", "final", NULL};
+    PyObject *input;
+    int final = 0;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O|i:encode", _keywords,
+        &input, &final))
+        goto exit;
+    return_value = _multibytecodec_MultibyteIncrementalEncoder_encode_impl(self, input, final);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteIncrementalEncoder_reset__doc__,
+"reset($self, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTEINCREMENTALENCODER_RESET_METHODDEF    \
+    {"reset", (PyCFunction)_multibytecodec_MultibyteIncrementalEncoder_reset, METH_NOARGS, _multibytecodec_MultibyteIncrementalEncoder_reset__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalEncoder_reset_impl(MultibyteIncrementalEncoderObject *self);
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalEncoder_reset(MultibyteIncrementalEncoderObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _multibytecodec_MultibyteIncrementalEncoder_reset_impl(self);
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteIncrementalDecoder_decode__doc__,
+"decode($self, /, input, final=0)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTEINCREMENTALDECODER_DECODE_METHODDEF    \
+    {"decode", (PyCFunction)_multibytecodec_MultibyteIncrementalDecoder_decode, METH_VARARGS|METH_KEYWORDS, _multibytecodec_MultibyteIncrementalDecoder_decode__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalDecoder_decode_impl(MultibyteIncrementalDecoderObject *self,
+                                                        Py_buffer *input,
+                                                        int final);
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalDecoder_decode(MultibyteIncrementalDecoderObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"input", "final", NULL};
+    Py_buffer input = {NULL, NULL};
+    int final = 0;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "y*|i:decode", _keywords,
+        &input, &final))
+        goto exit;
+    return_value = _multibytecodec_MultibyteIncrementalDecoder_decode_impl(self, &input, final);
+
+exit:
+    /* Cleanup for input */
+    if (input.obj)
+       PyBuffer_Release(&input);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteIncrementalDecoder_reset__doc__,
+"reset($self, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTEINCREMENTALDECODER_RESET_METHODDEF    \
+    {"reset", (PyCFunction)_multibytecodec_MultibyteIncrementalDecoder_reset, METH_NOARGS, _multibytecodec_MultibyteIncrementalDecoder_reset__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalDecoder_reset_impl(MultibyteIncrementalDecoderObject *self);
+
+static PyObject *
+_multibytecodec_MultibyteIncrementalDecoder_reset(MultibyteIncrementalDecoderObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _multibytecodec_MultibyteIncrementalDecoder_reset_impl(self);
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamReader_read__doc__,
+"read($self, sizeobj=None, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMREADER_READ_METHODDEF    \
+    {"read", (PyCFunction)_multibytecodec_MultibyteStreamReader_read, METH_VARARGS, _multibytecodec_MultibyteStreamReader_read__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_read_impl(MultibyteStreamReaderObject *self,
+                                                PyObject *sizeobj);
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_read(MultibyteStreamReaderObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *sizeobj = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "read",
+        0, 1,
+        &sizeobj))
+        goto exit;
+    return_value = _multibytecodec_MultibyteStreamReader_read_impl(self, sizeobj);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamReader_readline__doc__,
+"readline($self, sizeobj=None, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMREADER_READLINE_METHODDEF    \
+    {"readline", (PyCFunction)_multibytecodec_MultibyteStreamReader_readline, METH_VARARGS, _multibytecodec_MultibyteStreamReader_readline__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_readline_impl(MultibyteStreamReaderObject *self,
+                                                    PyObject *sizeobj);
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_readline(MultibyteStreamReaderObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *sizeobj = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "readline",
+        0, 1,
+        &sizeobj))
+        goto exit;
+    return_value = _multibytecodec_MultibyteStreamReader_readline_impl(self, sizeobj);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamReader_readlines__doc__,
+"readlines($self, sizehintobj=None, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMREADER_READLINES_METHODDEF    \
+    {"readlines", (PyCFunction)_multibytecodec_MultibyteStreamReader_readlines, METH_VARARGS, _multibytecodec_MultibyteStreamReader_readlines__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_readlines_impl(MultibyteStreamReaderObject *self,
+                                                     PyObject *sizehintobj);
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_readlines(MultibyteStreamReaderObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *sizehintobj = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "readlines",
+        0, 1,
+        &sizehintobj))
+        goto exit;
+    return_value = _multibytecodec_MultibyteStreamReader_readlines_impl(self, sizehintobj);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamReader_reset__doc__,
+"reset($self, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMREADER_RESET_METHODDEF    \
+    {"reset", (PyCFunction)_multibytecodec_MultibyteStreamReader_reset, METH_NOARGS, _multibytecodec_MultibyteStreamReader_reset__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_reset_impl(MultibyteStreamReaderObject *self);
+
+static PyObject *
+_multibytecodec_MultibyteStreamReader_reset(MultibyteStreamReaderObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _multibytecodec_MultibyteStreamReader_reset_impl(self);
+}
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamWriter_write__doc__,
+"write($self, strobj, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMWRITER_WRITE_METHODDEF    \
+    {"write", (PyCFunction)_multibytecodec_MultibyteStreamWriter_write, METH_O, _multibytecodec_MultibyteStreamWriter_write__doc__},
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamWriter_writelines__doc__,
+"writelines($self, lines, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMWRITER_WRITELINES_METHODDEF    \
+    {"writelines", (PyCFunction)_multibytecodec_MultibyteStreamWriter_writelines, METH_O, _multibytecodec_MultibyteStreamWriter_writelines__doc__},
+
+PyDoc_STRVAR(_multibytecodec_MultibyteStreamWriter_reset__doc__,
+"reset($self, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC_MULTIBYTESTREAMWRITER_RESET_METHODDEF    \
+    {"reset", (PyCFunction)_multibytecodec_MultibyteStreamWriter_reset, METH_NOARGS, _multibytecodec_MultibyteStreamWriter_reset__doc__},
+
+static PyObject *
+_multibytecodec_MultibyteStreamWriter_reset_impl(MultibyteStreamWriterObject *self);
+
+static PyObject *
+_multibytecodec_MultibyteStreamWriter_reset(MultibyteStreamWriterObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _multibytecodec_MultibyteStreamWriter_reset_impl(self);
+}
+
+PyDoc_STRVAR(_multibytecodec___create_codec__doc__,
+"__create_codec($module, arg, /)\n"
+"--\n"
+"\n");
+
+#define _MULTIBYTECODEC___CREATE_CODEC_METHODDEF    \
+    {"__create_codec", (PyCFunction)_multibytecodec___create_codec, METH_O, _multibytecodec___create_codec__doc__},
+/*[clinic end generated code: output=0fe582cb941024c1 input=a9049054013a1b77]*/
diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index 435529f..70f7a21 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -8,6 +8,13 @@
 #include "Python.h"
 #include "structmember.h"
 #include "multibytecodec.h"
+#include "clinic/multibytecodec.c.h"
+
+/*[clinic input]
+module _multibytecodec
+class _multibytecodec.MultibyteCodec "MultibyteCodecObject *" "&MultibyteCodec_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=6ad689546cbb5450]*/
 
 typedef struct {
     PyObject            *inobj;
@@ -22,27 +29,7 @@ typedef struct {
     _PyUnicodeWriter    writer;
 } MultibyteDecodeBuffer;
 
-PyDoc_STRVAR(MultibyteCodec_Encode__doc__,
-"I.encode(unicode[, errors]) -> (string, length consumed)\n\
-\n\
-Return an encoded string version of `unicode'. errors may be given to\n\
-set a different error handling scheme. Default is 'strict' meaning that\n\
-encoding errors raise a UnicodeEncodeError. Other possible values are\n\
-'ignore', 'replace' and 'xmlcharrefreplace' as well as any other name\n\
-registered with codecs.register_error that can handle UnicodeEncodeErrors.");
-
-PyDoc_STRVAR(MultibyteCodec_Decode__doc__,
-"I.decode(string[, errors]) -> (unicodeobject, length consumed)\n\
-\n\
-Decodes `string' using I, an MultibyteCodec instance. errors may be given\n\
-to set a different error handling scheme. Default is 'strict' meaning\n\
-that encoding errors raise a UnicodeDecodeError. Other possible values\n\
-are 'ignore' and 'replace' as well as any other name registered with\n\
-codecs.register_error that is able to handle UnicodeDecodeErrors.");
-
-static char *codeckwarglist[] = {"input", "errors", NULL};
 static char *incnewkwarglist[] = {"errors", NULL};
-static char *incrementalkwarglist[] = {"input", "final", NULL};
 static char *streamkwarglist[] = {"stream", "errors", NULL};
 
 static PyObject *multibytecodec_encode(MultibyteCodec *,
@@ -553,26 +540,37 @@ errorexit:
     return NULL;
 }
 
+/*[clinic input]
+_multibytecodec.MultibyteCodec.encode
+
+  input: object
+  errors: str(nullable=True) = NULL
+
+Return an encoded string version of `input'.
+
+'errors' may be given to set a different error handling scheme. Default is
+'strict' meaning that encoding errors raise a UnicodeEncodeError. Other possible
+values are 'ignore', 'replace' and 'xmlcharrefreplace' as well as any other name
+registered with codecs.register_error that can handle UnicodeEncodeErrors.
+[clinic start generated code]*/
+
 static PyObject *
-MultibyteCodec_Encode(MultibyteCodecObject *self,
-                      PyObject *args, PyObject *kwargs)
+_multibytecodec_MultibyteCodec_encode_impl(MultibyteCodecObject *self,
+                                           PyObject *input,
+                                           const char *errors)
+/*[clinic end generated code: output=7b26652045ba56a9 input=252e7ee695867b2d]*/
 {
     MultibyteCodec_State state;
-    PyObject *errorcb, *r, *arg, *ucvt;
-    const char *errors = NULL;
+    PyObject *errorcb, *r, *ucvt;
     Py_ssize_t datalen;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|z:encode",
-                            codeckwarglist, &arg, &errors))
-        return NULL;
-
-    if (PyUnicode_Check(arg))
+    if (PyUnicode_Check(input))
         ucvt = NULL;
     else {
-        arg = ucvt = PyObject_Str(arg);
-        if (arg == NULL)
+        input = ucvt = PyObject_Str(input);
+        if (input == NULL)
             return NULL;
-        else if (!PyUnicode_Check(arg)) {
+        else if (!PyUnicode_Check(input)) {
             PyErr_SetString(PyExc_TypeError,
                 "couldn't convert the object to unicode.");
             Py_DECREF(ucvt);
@@ -580,11 +578,11 @@ MultibyteCodec_Encode(MultibyteCodecObject *self,
         }
     }
 
-    if (PyUnicode_READY(arg) < 0) {
+    if (PyUnicode_READY(input) < 0) {
         Py_XDECREF(ucvt);
         return NULL;
     }
-    datalen = PyUnicode_GET_LENGTH(arg);
+    datalen = PyUnicode_GET_LENGTH(input);
 
     errorcb = internal_error_callback(errors);
     if (errorcb == NULL) {
@@ -596,7 +594,7 @@ MultibyteCodec_Encode(MultibyteCodecObject *self,
         self->codec->encinit(&state, self->codec->config) != 0)
         goto errorexit;
     r = multibytecodec_encode(self->codec, &state,
-                    arg, NULL, errorcb,
+                    input, NULL, errorcb,
                     MBENC_FLUSH | MBENC_RESET);
     if (r == NULL)
         goto errorexit;
@@ -611,31 +609,41 @@ errorexit:
     return NULL;
 }
 
+/*[clinic input]
+_multibytecodec.MultibyteCodec.decode
+
+  input: Py_buffer
+  errors: str(nullable=True) = NULL
+
+Decodes 'input'.
+
+'errors' may be given to set a different error handling scheme. Default is
+'strict' meaning that encoding errors raise a UnicodeDecodeError. Other possible
+values are 'ignore' and 'replace' as well as any other name registered with
+codecs.register_error that is able to handle UnicodeDecodeErrors."
+[clinic start generated code]*/
+
 static PyObject *
-MultibyteCodec_Decode(MultibyteCodecObject *self,
-                      PyObject *args, PyObject *kwargs)
+_multibytecodec_MultibyteCodec_decode_impl(MultibyteCodecObject *self,
+                                           Py_buffer *input,
+                                           const char *errors)
+/*[clinic end generated code: output=ff419f65bad6cc77 input=37e1d9236e3ce8f3]*/
 {
     MultibyteCodec_State state;
     MultibyteDecodeBuffer buf;
     PyObject *errorcb, *res;
-    Py_buffer pdata;
-    const char *data, *errors = NULL;
+    const char *data;
     Py_ssize_t datalen;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "y*|z:decode",
-                            codeckwarglist, &pdata, &errors))
-        return NULL;
-    data = pdata.buf;
-    datalen = pdata.len;
+    data = input->buf;
+    datalen = input->len;
 
     errorcb = internal_error_callback(errors);
     if (errorcb == NULL) {
-        PyBuffer_Release(&pdata);
         return NULL;
     }
 
     if (datalen == 0) {
-        PyBuffer_Release(&pdata);
         ERROR_DECREF(errorcb);
         return make_tuple(PyUnicode_New(0, 0), 0);
     }
@@ -668,13 +676,11 @@ MultibyteCodec_Decode(MultibyteCodecObject *self,
     if (res == NULL)
         goto errorexit;
 
-    PyBuffer_Release(&pdata);
     Py_XDECREF(buf.excobj);
     ERROR_DECREF(errorcb);
     return make_tuple(res, datalen);
 
 errorexit:
-    PyBuffer_Release(&pdata);
     ERROR_DECREF(errorcb);
     Py_XDECREF(buf.excobj);
     _PyUnicodeWriter_Dealloc(&buf.writer);
@@ -683,13 +689,9 @@ errorexit:
 }
 
 static struct PyMethodDef multibytecodec_methods[] = {
-    {"encode",          (PyCFunction)MultibyteCodec_Encode,
-                    METH_VARARGS | METH_KEYWORDS,
-                    MultibyteCodec_Encode__doc__},
-    {"decode",          (PyCFunction)MultibyteCodec_Decode,
-                    METH_VARARGS | METH_KEYWORDS,
-                    MultibyteCodec_Decode__doc__},
-    {NULL,              NULL},
+    _MULTIBYTECODEC_MULTIBYTECODEC_ENCODE_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTECODEC_DECODE_METHODDEF
+    {NULL, NULL},
 };
 
 static void
@@ -873,26 +875,34 @@ decoder_feed_buffer(MultibyteStatefulDecoderContext *ctx,
 }
 
 
-/**
- * MultibyteIncrementalEncoder object
- */
+/*[clinic input]
+ class _multibytecodec.MultibyteIncrementalEncoder "MultibyteIncrementalEncoderObject *" "&MultibyteIncrementalEncoder_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=3be82909cd08924d]*/
 
-static PyObject *
-mbiencoder_encode(MultibyteIncrementalEncoderObject *self,
-                  PyObject *args, PyObject *kwargs)
-{
-    PyObject *data;
-    int final = 0;
+/*[clinic input]
+_multibytecodec.MultibyteIncrementalEncoder.encode
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|i:encode",
-                    incrementalkwarglist, &data, &final))
-        return NULL;
+    input: object
+    final: int = 0
+[clinic start generated code]*/
 
-    return encoder_encode_stateful(STATEFUL_ECTX(self), data, final);
+static PyObject *
+_multibytecodec_MultibyteIncrementalEncoder_encode_impl(MultibyteIncrementalEncoderObject *self,
+                                                        PyObject *input,
+                                                        int final)
+/*[clinic end generated code: output=123361b6c505e2c1 input=456b76d73e464661]*/
+{
+    return encoder_encode_stateful(STATEFUL_ECTX(self), input, final);
 }
 
+/*[clinic input]
+_multibytecodec.MultibyteIncrementalEncoder.reset
+[clinic start generated code]*/
+
 static PyObject *
-mbiencoder_reset(MultibyteIncrementalEncoderObject *self)
+_multibytecodec_MultibyteIncrementalEncoder_reset_impl(MultibyteIncrementalEncoderObject *self)
+/*[clinic end generated code: output=b4125d8f537a253f input=930f06760707b6ea]*/
 {
     /* Longest output: 4 bytes (b'\x0F\x1F(B') with ISO 2022 */
     unsigned char buffer[4], *outbuf;
@@ -909,11 +919,9 @@ mbiencoder_reset(MultibyteIncrementalEncoderObject *self)
 }
 
 static struct PyMethodDef mbiencoder_methods[] = {
-    {"encode",          (PyCFunction)mbiencoder_encode,
-                    METH_VARARGS | METH_KEYWORDS, NULL},
-    {"reset",           (PyCFunction)mbiencoder_reset,
-                    METH_NOARGS, NULL},
-    {NULL,              NULL},
+    _MULTIBYTECODEC_MULTIBYTEINCREMENTALENCODER_ENCODE_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTEINCREMENTALENCODER_RESET_METHODDEF
+    {NULL, NULL},
 };
 
 static PyObject *
@@ -1024,26 +1032,31 @@ static PyTypeObject MultibyteIncrementalEncoder_Type = {
 };
 
 
-/**
- * MultibyteIncrementalDecoder object
- */
+/*[clinic input]
+ class _multibytecodec.MultibyteIncrementalDecoder "MultibyteIncrementalDecoderObject *" "&MultibyteIncrementalDecoder_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=f6003faaf2cea692]*/
+
+/*[clinic input]
+_multibytecodec.MultibyteIncrementalDecoder.decode
+
+    input: Py_buffer
+    final: int = 0
+[clinic start generated code]*/
 
 static PyObject *
-mbidecoder_decode(MultibyteIncrementalDecoderObject *self,
-                  PyObject *args, PyObject *kwargs)
+_multibytecodec_MultibyteIncrementalDecoder_decode_impl(MultibyteIncrementalDecoderObject *self,
+                                                        Py_buffer *input,
+                                                        int final)
+/*[clinic end generated code: output=b9b9090e8a9ce2ba input=eb18c2f6e83589e1]*/
 {
     MultibyteDecodeBuffer buf;
     char *data, *wdata = NULL;
-    Py_buffer pdata;
     Py_ssize_t wsize, size, origpending;
-    int final = 0;
     PyObject *res;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "y*|i:decode",
-                    incrementalkwarglist, &pdata, &final))
-        return NULL;
-    data = pdata.buf;
-    size = pdata.len;
+    data = input->buf;
+    size = input->len;
 
     _PyUnicodeWriter_Init(&buf.writer);
     buf.excobj = NULL;
@@ -1094,14 +1107,12 @@ mbidecoder_decode(MultibyteIncrementalDecoderObject *self,
     if (res == NULL)
         goto errorexit;
 
-    PyBuffer_Release(&pdata);
     if (wdata != data)
         PyMem_Del(wdata);
     Py_XDECREF(buf.excobj);
     return res;
 
 errorexit:
-    PyBuffer_Release(&pdata);
     if (wdata != NULL && wdata != data)
         PyMem_Del(wdata);
     Py_XDECREF(buf.excobj);
@@ -1109,8 +1120,13 @@ errorexit:
     return NULL;
 }
 
+/*[clinic input]
+_multibytecodec.MultibyteIncrementalDecoder.reset
+[clinic start generated code]*/
+
 static PyObject *
-mbidecoder_reset(MultibyteIncrementalDecoderObject *self)
+_multibytecodec_MultibyteIncrementalDecoder_reset_impl(MultibyteIncrementalDecoderObject *self)
+/*[clinic end generated code: output=da423b1782c23ed1 input=3b63b3be85b2fb45]*/
 {
     if (self->codec->decreset != NULL &&
         self->codec->decreset(&self->state, self->codec->config) != 0)
@@ -1121,11 +1137,9 @@ mbidecoder_reset(MultibyteIncrementalDecoderObject *self)
 }
 
 static struct PyMethodDef mbidecoder_methods[] = {
-    {"decode",          (PyCFunction)mbidecoder_decode,
-                    METH_VARARGS | METH_KEYWORDS, NULL},
-    {"reset",           (PyCFunction)mbidecoder_reset,
-                    METH_NOARGS, NULL},
-    {NULL,              NULL},
+    _MULTIBYTECODEC_MULTIBYTEINCREMENTALDECODER_DECODE_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTEINCREMENTALDECODER_RESET_METHODDEF
+    {NULL, NULL},
 };
 
 static PyObject *
@@ -1236,9 +1250,10 @@ static PyTypeObject MultibyteIncrementalDecoder_Type = {
 };
 
 
-/**
- * MultibyteStreamReader object
- */
+/*[clinic input]
+ class _multibytecodec.MultibyteStreamReader "MultibyteStreamReaderObject *" "MultibyteStreamReader_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=d323634b74976f09]*/
 
 static PyObject *
 mbstreamreader_iread(MultibyteStreamReaderObject *self,
@@ -1260,10 +1275,10 @@ mbstreamreader_iread(MultibyteStreamReaderObject *self,
 
         if (sizehint < 0)
             cres = PyObject_CallMethod(self->stream,
-                            (char *)method, NULL);
+                            method, NULL);
         else
             cres = PyObject_CallMethod(self->stream,
-                            (char *)method, "i", sizehint);
+                            method, "i", sizehint);
         if (cres == NULL)
             goto errorexit;
 
@@ -1345,16 +1360,21 @@ errorexit:
     return NULL;
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamReader.read
+
+    sizeobj: object = None
+    /
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamreader_read(MultibyteStreamReaderObject *self, PyObject *args)
+_multibytecodec_MultibyteStreamReader_read_impl(MultibyteStreamReaderObject *self,
+                                                PyObject *sizeobj)
+/*[clinic end generated code: output=35621eb75355d5b8 input=015b0d3ff2fca485]*/
 {
-    PyObject *sizeobj = NULL;
     Py_ssize_t size;
 
-    if (!PyArg_UnpackTuple(args, "read", 0, 1, &sizeobj))
-        return NULL;
-
-    if (sizeobj == Py_None || sizeobj == NULL)
+    if (sizeobj == Py_None)
         size = -1;
     else if (PyLong_Check(sizeobj))
         size = PyLong_AsSsize_t(sizeobj);
@@ -1369,16 +1389,21 @@ mbstreamreader_read(MultibyteStreamReaderObject *self, PyObject *args)
     return mbstreamreader_iread(self, "read", size);
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamReader.readline
+
+    sizeobj: object = None
+    /
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamreader_readline(MultibyteStreamReaderObject *self, PyObject *args)
+_multibytecodec_MultibyteStreamReader_readline_impl(MultibyteStreamReaderObject *self,
+                                                    PyObject *sizeobj)
+/*[clinic end generated code: output=4fbfaae1ed457a11 input=41ccc64f9bb0cec3]*/
 {
-    PyObject *sizeobj = NULL;
     Py_ssize_t size;
 
-    if (!PyArg_UnpackTuple(args, "readline", 0, 1, &sizeobj))
-        return NULL;
-
-    if (sizeobj == Py_None || sizeobj == NULL)
+    if (sizeobj == Py_None)
         size = -1;
     else if (PyLong_Check(sizeobj))
         size = PyLong_AsSsize_t(sizeobj);
@@ -1393,16 +1418,22 @@ mbstreamreader_readline(MultibyteStreamReaderObject *self, PyObject *args)
     return mbstreamreader_iread(self, "readline", size);
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamReader.readlines
+
+    sizehintobj: object = None
+    /
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamreader_readlines(MultibyteStreamReaderObject *self, PyObject *args)
+_multibytecodec_MultibyteStreamReader_readlines_impl(MultibyteStreamReaderObject *self,
+                                                     PyObject *sizehintobj)
+/*[clinic end generated code: output=e7c4310768ed2ad4 input=54932f5d4d88e880]*/
 {
-    PyObject *sizehintobj = NULL, *r, *sr;
+    PyObject *r, *sr;
     Py_ssize_t sizehint;
 
-    if (!PyArg_UnpackTuple(args, "readlines", 0, 1, &sizehintobj))
-        return NULL;
-
-    if (sizehintobj == Py_None || sizehintobj == NULL)
+    if (sizehintobj == Py_None)
         sizehint = -1;
     else if (PyLong_Check(sizehintobj))
         sizehint = PyLong_AsSsize_t(sizehintobj);
@@ -1423,8 +1454,13 @@ mbstreamreader_readlines(MultibyteStreamReaderObject *self, PyObject *args)
     return sr;
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamReader.reset
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamreader_reset(MultibyteStreamReaderObject *self)
+_multibytecodec_MultibyteStreamReader_reset_impl(MultibyteStreamReaderObject *self)
+/*[clinic end generated code: output=138490370a680abc input=5d4140db84b5e1e2]*/
 {
     if (self->codec->decreset != NULL &&
         self->codec->decreset(&self->state, self->codec->config) != 0)
@@ -1435,14 +1471,10 @@ mbstreamreader_reset(MultibyteStreamReaderObject *self)
 }
 
 static struct PyMethodDef mbstreamreader_methods[] = {
-    {"read",            (PyCFunction)mbstreamreader_read,
-                    METH_VARARGS, NULL},
-    {"readline",        (PyCFunction)mbstreamreader_readline,
-                    METH_VARARGS, NULL},
-    {"readlines",       (PyCFunction)mbstreamreader_readlines,
-                    METH_VARARGS, NULL},
-    {"reset",           (PyCFunction)mbstreamreader_reset,
-                    METH_NOARGS, NULL},
+    _MULTIBYTECODEC_MULTIBYTESTREAMREADER_READ_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTESTREAMREADER_READLINE_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTESTREAMREADER_READLINES_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTESTREAMREADER_RESET_METHODDEF
     {NULL,              NULL},
 };
 
@@ -1565,9 +1597,10 @@ static PyTypeObject MultibyteStreamReader_Type = {
 };
 
 
-/**
- * MultibyteStreamWriter object
- */
+/*[clinic input]
+ class _multibytecodec.MultibyteStreamWriter "MultibyteStreamWriterObject *" "&MultibyteStreamWriter_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=cde22780a215d6ac]*/
 
 static int
 mbstreamwriter_iwrite(MultibyteStreamWriterObject *self,
@@ -1588,8 +1621,17 @@ mbstreamwriter_iwrite(MultibyteStreamWriterObject *self,
     return 0;
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamWriter.write
+
+    strobj: object
+    /
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamwriter_write(MultibyteStreamWriterObject *self, PyObject *strobj)
+_multibytecodec_MultibyteStreamWriter_write(MultibyteStreamWriterObject *self,
+                                            PyObject *strobj)
+/*[clinic end generated code: output=e13ae841c895251e input=551dc4c018c10a2b]*/
 {
     if (mbstreamwriter_iwrite(self, strobj))
         return NULL;
@@ -1597,8 +1639,17 @@ mbstreamwriter_write(MultibyteStreamWriterObject *self, PyObject *strobj)
         Py_RETURN_NONE;
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamWriter.writelines
+
+    lines: object
+    /
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamwriter_writelines(MultibyteStreamWriterObject *self, PyObject *lines)
+_multibytecodec_MultibyteStreamWriter_writelines(MultibyteStreamWriterObject *self,
+                                                 PyObject *lines)
+/*[clinic end generated code: output=e5c4285ac8e7d522 input=57797fe7008d4e96]*/
 {
     PyObject *strobj;
     int i, r;
@@ -1624,8 +1675,13 @@ mbstreamwriter_writelines(MultibyteStreamWriterObject *self, PyObject *lines)
     Py_RETURN_NONE;
 }
 
+/*[clinic input]
+ _multibytecodec.MultibyteStreamWriter.reset
+[clinic start generated code]*/
+
 static PyObject *
-mbstreamwriter_reset(MultibyteStreamWriterObject *self)
+_multibytecodec_MultibyteStreamWriter_reset_impl(MultibyteStreamWriterObject *self)
+/*[clinic end generated code: output=8f54a4d9b03db5ff input=b56dbcbaf35cc10c]*/
 {
     PyObject *pwrt;
 
@@ -1724,13 +1780,10 @@ mbstreamwriter_dealloc(MultibyteStreamWriterObject *self)
 }
 
 static struct PyMethodDef mbstreamwriter_methods[] = {
-    {"write",           (PyCFunction)mbstreamwriter_write,
-                    METH_O, NULL},
-    {"writelines",      (PyCFunction)mbstreamwriter_writelines,
-                    METH_O, NULL},
-    {"reset",           (PyCFunction)mbstreamwriter_reset,
-                    METH_NOARGS, NULL},
-    {NULL,              NULL},
+    _MULTIBYTECODEC_MULTIBYTESTREAMWRITER_WRITE_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTESTREAMWRITER_WRITELINES_METHODDEF
+    _MULTIBYTECODEC_MULTIBYTESTREAMWRITER_RESET_METHODDEF
+    {NULL, NULL},
 };
 
 static PyMemberDef mbstreamwriter_members[] = {
@@ -1784,12 +1837,16 @@ static PyTypeObject MultibyteStreamWriter_Type = {
 };
 
 
-/**
- * Exposed factory function
- */
+/*[clinic input]
+_multibytecodec.__create_codec
+
+    arg: object
+    /
+[clinic start generated code]*/
 
 static PyObject *
-__create_codec(PyObject *ignore, PyObject *arg)
+_multibytecodec___create_codec(PyModuleDef *module, PyObject *arg)
+/*[clinic end generated code: output=fbe74f6510640163 input=6840b2a6b183fcfa]*/
 {
     MultibyteCodecObject *self;
     MultibyteCodec *codec;
@@ -1812,7 +1869,7 @@ __create_codec(PyObject *ignore, PyObject *arg)
 }
 
 static struct PyMethodDef __methods[] = {
-    {"__create_codec", (PyCFunction)__create_codec, METH_O},
+    _MULTIBYTECODEC___CREATE_CODEC_METHODDEF
     {NULL, NULL},
 };
 
diff --git a/Modules/clinic/_bz2module.c.h b/Modules/clinic/_bz2module.c.h
index 8a201a0..7937fb6 100644
--- a/Modules/clinic/_bz2module.c.h
+++ b/Modules/clinic/_bz2module.c.h
@@ -14,18 +14,18 @@ PyDoc_STRVAR(_bz2_BZ2Compressor_compress__doc__,
 "flush() method to finish the compression process.");
 
 #define _BZ2_BZ2COMPRESSOR_COMPRESS_METHODDEF    \
-    {"compress", (PyCFunction)_bz2_BZ2Compressor_compress, METH_VARARGS, _bz2_BZ2Compressor_compress__doc__},
+    {"compress", (PyCFunction)_bz2_BZ2Compressor_compress, METH_O, _bz2_BZ2Compressor_compress__doc__},
 
 static PyObject *
 _bz2_BZ2Compressor_compress_impl(BZ2Compressor *self, Py_buffer *data);
 
 static PyObject *
-_bz2_BZ2Compressor_compress(BZ2Compressor *self, PyObject *args)
+_bz2_BZ2Compressor_compress(BZ2Compressor *self, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:compress",
         &data))
         goto exit;
@@ -95,34 +95,44 @@ exit:
 }
 
 PyDoc_STRVAR(_bz2_BZ2Decompressor_decompress__doc__,
-"decompress($self, data, /)\n"
+"decompress($self, /, data, max_length=-1)\n"
 "--\n"
 "\n"
-"Provide data to the decompressor object.\n"
+"Decompress *data*, returning uncompressed data as bytes.\n"
+"\n"
+"If *max_length* is nonnegative, returns at most *max_length* bytes of\n"
+"decompressed data. If this limit is reached and further output can be\n"
+"produced, *self.needs_input* will be set to ``False``. In this case, the next\n"
+"call to *decompress()* may provide *data* as b\'\' to obtain more of the output.\n"
 "\n"
-"Returns a chunk of decompressed data if possible, or b\'\' otherwise.\n"
+"If all of the input data was decompressed and returned (either because this\n"
+"was less than *max_length* bytes, or because *max_length* was negative),\n"
+"*self.needs_input* will be set to True.\n"
 "\n"
-"Attempting to decompress data after the end of stream is reached\n"
-"raises an EOFError.  Any data found after the end of the stream\n"
-"is ignored and saved in the unused_data attribute.");
+"Attempting to decompress data after the end of stream is reached raises an\n"
+"EOFError.  Any data found after the end of the stream is ignored and saved in\n"
+"the unused_data attribute.");
 
 #define _BZ2_BZ2DECOMPRESSOR_DECOMPRESS_METHODDEF    \
-    {"decompress", (PyCFunction)_bz2_BZ2Decompressor_decompress, METH_VARARGS, _bz2_BZ2Decompressor_decompress__doc__},
+    {"decompress", (PyCFunction)_bz2_BZ2Decompressor_decompress, METH_VARARGS|METH_KEYWORDS, _bz2_BZ2Decompressor_decompress__doc__},
 
 static PyObject *
-_bz2_BZ2Decompressor_decompress_impl(BZ2Decompressor *self, Py_buffer *data);
+_bz2_BZ2Decompressor_decompress_impl(BZ2Decompressor *self, Py_buffer *data,
+                                     Py_ssize_t max_length);
 
 static PyObject *
-_bz2_BZ2Decompressor_decompress(BZ2Decompressor *self, PyObject *args)
+_bz2_BZ2Decompressor_decompress(BZ2Decompressor *self, PyObject *args, PyObject *kwargs)
 {
     PyObject *return_value = NULL;
+    static char *_keywords[] = {"data", "max_length", NULL};
     Py_buffer data = {NULL, NULL};
+    Py_ssize_t max_length = -1;
 
-    if (!PyArg_ParseTuple(args,
-        "y*:decompress",
-        &data))
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "y*|n:decompress", _keywords,
+        &data, &max_length))
         goto exit;
-    return_value = _bz2_BZ2Decompressor_decompress_impl(self, &data);
+    return_value = _bz2_BZ2Decompressor_decompress_impl(self, &data, max_length);
 
 exit:
     /* Cleanup for data */
@@ -159,4 +169,4 @@ _bz2_BZ2Decompressor___init__(PyObject *self, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=21ca4405519a0931 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=e8a48a949969c355 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_codecsmodule.c.h b/Modules/clinic/_codecsmodule.c.h
new file mode 100644
index 0000000..084648f
--- /dev/null
+++ b/Modules/clinic/_codecsmodule.c.h
@@ -0,0 +1,32 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_codecs__forget_codec__doc__,
+"_forget_codec($module, encoding, /)\n"
+"--\n"
+"\n"
+"Purge the named codec from the internal codec lookup cache");
+
+#define _CODECS__FORGET_CODEC_METHODDEF    \
+    {"_forget_codec", (PyCFunction)_codecs__forget_codec, METH_O, _codecs__forget_codec__doc__},
+
+static PyObject *
+_codecs__forget_codec_impl(PyModuleDef *module, const char *encoding);
+
+static PyObject *
+_codecs__forget_codec(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    const char *encoding;
+
+    if (!PyArg_Parse(arg,
+        "s:_forget_codec",
+        &encoding))
+        goto exit;
+    return_value = _codecs__forget_codec_impl(module, encoding);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=fc5ce4d3166f7d96 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_cryptmodule.c.h b/Modules/clinic/_cryptmodule.c.h
new file mode 100644
index 0000000..cd63bd1
--- /dev/null
+++ b/Modules/clinic/_cryptmodule.c.h
@@ -0,0 +1,38 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(crypt_crypt__doc__,
+"crypt($module, word, salt, /)\n"
+"--\n"
+"\n"
+"Hash a *word* with the given *salt* and return the hashed password.\n"
+"\n"
+"*word* will usually be a user\'s password.  *salt* (either a random 2 or 16\n"
+"character string, possibly prefixed with $digit$ to indicate the method)\n"
+"will be used to perturb the encryption algorithm and produce distinct\n"
+"results for a given *word*.");
+
+#define CRYPT_CRYPT_METHODDEF    \
+    {"crypt", (PyCFunction)crypt_crypt, METH_VARARGS, crypt_crypt__doc__},
+
+static PyObject *
+crypt_crypt_impl(PyModuleDef *module, const char *word, const char *salt);
+
+static PyObject *
+crypt_crypt(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *word;
+    const char *salt;
+
+    if (!PyArg_ParseTuple(args,
+        "ss:crypt",
+        &word, &salt))
+        goto exit;
+    return_value = crypt_crypt_impl(module, word, salt);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=b5b8d977189d19ea input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_cursesmodule.c.h b/Modules/clinic/_cursesmodule.c.h
new file mode 100644
index 0000000..5e11742
--- /dev/null
+++ b/Modules/clinic/_cursesmodule.c.h
@@ -0,0 +1,71 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(curses_window_addch__doc__,
+"addch([y, x,] ch, [attr])\n"
+"Paint character ch at (y, x) with attributes attr.\n"
+"\n"
+"  y\n"
+"    Y-coordinate.\n"
+"  x\n"
+"    X-coordinate.\n"
+"  ch\n"
+"    Character to add.\n"
+"  attr\n"
+"    Attributes for the character.\n"
+"\n"
+"Paint character ch at (y, x) with attributes attr,\n"
+"overwriting any character previously painted at that location.\n"
+"By default, the character position and attributes are the\n"
+"current settings for the window object.");
+
+#define CURSES_WINDOW_ADDCH_METHODDEF    \
+    {"addch", (PyCFunction)curses_window_addch, METH_VARARGS, curses_window_addch__doc__},
+
+static PyObject *
+curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1, int y,
+                         int x, PyObject *ch, int group_right_1, long attr);
+
+static PyObject *
+curses_window_addch(PyCursesWindowObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int group_left_1 = 0;
+    int y = 0;
+    int x = 0;
+    PyObject *ch;
+    int group_right_1 = 0;
+    long attr = 0;
+
+    switch (PyTuple_GET_SIZE(args)) {
+        case 1:
+            if (!PyArg_ParseTuple(args, "O:addch", &ch))
+                goto exit;
+            break;
+        case 2:
+            if (!PyArg_ParseTuple(args, "Ol:addch", &ch, &attr))
+                goto exit;
+            group_right_1 = 1;
+            break;
+        case 3:
+            if (!PyArg_ParseTuple(args, "iiO:addch", &y, &x, &ch))
+                goto exit;
+            group_left_1 = 1;
+            break;
+        case 4:
+            if (!PyArg_ParseTuple(args, "iiOl:addch", &y, &x, &ch, &attr))
+                goto exit;
+            group_right_1 = 1;
+            group_left_1 = 1;
+            break;
+        default:
+            PyErr_SetString(PyExc_TypeError, "curses.window.addch requires 1 to 4 arguments");
+            goto exit;
+    }
+    return_value = curses_window_addch_impl(self, group_left_1, y, x, ch, group_right_1, attr);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=982b1e709577f3ec input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_datetimemodule.c.h b/Modules/clinic/_datetimemodule.c.h
new file mode 100644
index 0000000..5bf3ebe
--- /dev/null
+++ b/Modules/clinic/_datetimemodule.c.h
@@ -0,0 +1,38 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(datetime_datetime_now__doc__,
+"now($type, /, tz=None)\n"
+"--\n"
+"\n"
+"Returns new datetime object representing current time local to tz.\n"
+"\n"
+"  tz\n"
+"    Timezone object.\n"
+"\n"
+"If no tz is specified, uses local timezone.");
+
+#define DATETIME_DATETIME_NOW_METHODDEF    \
+    {"now", (PyCFunction)datetime_datetime_now, METH_VARARGS|METH_KEYWORDS|METH_CLASS, datetime_datetime_now__doc__},
+
+static PyObject *
+datetime_datetime_now_impl(PyTypeObject *type, PyObject *tz);
+
+static PyObject *
+datetime_datetime_now(PyTypeObject *type, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"tz", NULL};
+    PyObject *tz = Py_None;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:now", _keywords,
+        &tz))
+        goto exit;
+    return_value = datetime_datetime_now_impl(type, tz);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=a5c51b96f10c462c input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_dbmmodule.c.h b/Modules/clinic/_dbmmodule.c.h
new file mode 100644
index 0000000..4d88373
--- /dev/null
+++ b/Modules/clinic/_dbmmodule.c.h
@@ -0,0 +1,144 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_dbm_dbm_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n"
+"Close the database.");
+
+#define _DBM_DBM_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_dbm_dbm_close, METH_NOARGS, _dbm_dbm_close__doc__},
+
+static PyObject *
+_dbm_dbm_close_impl(dbmobject *self);
+
+static PyObject *
+_dbm_dbm_close(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _dbm_dbm_close_impl(self);
+}
+
+PyDoc_STRVAR(_dbm_dbm_keys__doc__,
+"keys($self, /)\n"
+"--\n"
+"\n"
+"Return a list of all keys in the database.");
+
+#define _DBM_DBM_KEYS_METHODDEF    \
+    {"keys", (PyCFunction)_dbm_dbm_keys, METH_NOARGS, _dbm_dbm_keys__doc__},
+
+static PyObject *
+_dbm_dbm_keys_impl(dbmobject *self);
+
+static PyObject *
+_dbm_dbm_keys(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _dbm_dbm_keys_impl(self);
+}
+
+PyDoc_STRVAR(_dbm_dbm_get__doc__,
+"get($self, key, default=b\'\', /)\n"
+"--\n"
+"\n"
+"Return the value for key if present, otherwise default.");
+
+#define _DBM_DBM_GET_METHODDEF    \
+    {"get", (PyCFunction)_dbm_dbm_get, METH_VARARGS, _dbm_dbm_get__doc__},
+
+static PyObject *
+_dbm_dbm_get_impl(dbmobject *self, const char *key,
+                  Py_ssize_clean_t key_length, PyObject *default_value);
+
+static PyObject *
+_dbm_dbm_get(dbmobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *key;
+    Py_ssize_clean_t key_length;
+    PyObject *default_value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "s#|O:get",
+        &key, &key_length, &default_value))
+        goto exit;
+    return_value = _dbm_dbm_get_impl(self, key, key_length, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_dbm_dbm_setdefault__doc__,
+"setdefault($self, key, default=b\'\', /)\n"
+"--\n"
+"\n"
+"Return the value for key if present, otherwise default.\n"
+"\n"
+"If key is not in the database, it is inserted with default as the value.");
+
+#define _DBM_DBM_SETDEFAULT_METHODDEF    \
+    {"setdefault", (PyCFunction)_dbm_dbm_setdefault, METH_VARARGS, _dbm_dbm_setdefault__doc__},
+
+static PyObject *
+_dbm_dbm_setdefault_impl(dbmobject *self, const char *key,
+                         Py_ssize_clean_t key_length,
+                         PyObject *default_value);
+
+static PyObject *
+_dbm_dbm_setdefault(dbmobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *key;
+    Py_ssize_clean_t key_length;
+    PyObject *default_value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "s#|O:setdefault",
+        &key, &key_length, &default_value))
+        goto exit;
+    return_value = _dbm_dbm_setdefault_impl(self, key, key_length, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(dbmopen__doc__,
+"open($module, filename, flags=\'r\', mode=0o666, /)\n"
+"--\n"
+"\n"
+"Return a database object.\n"
+"\n"
+"  filename\n"
+"    The filename to open.\n"
+"  flags\n"
+"    How to open the file.  \"r\" for reading, \"w\" for writing, etc.\n"
+"  mode\n"
+"    If creating a new file, the mode bits for the new file\n"
+"    (e.g. os.O_RDWR).");
+
+#define DBMOPEN_METHODDEF    \
+    {"open", (PyCFunction)dbmopen, METH_VARARGS, dbmopen__doc__},
+
+static PyObject *
+dbmopen_impl(PyModuleDef *module, const char *filename, const char *flags,
+             int mode);
+
+static PyObject *
+dbmopen(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *filename;
+    const char *flags = "r";
+    int mode = 438;
+
+    if (!PyArg_ParseTuple(args,
+        "s|si:open",
+        &filename, &flags, &mode))
+        goto exit;
+    return_value = dbmopen_impl(module, filename, flags, mode);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=951fcfdb6d667a61 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_gdbmmodule.c.h b/Modules/clinic/_gdbmmodule.c.h
new file mode 100644
index 0000000..d9e9acf
--- /dev/null
+++ b/Modules/clinic/_gdbmmodule.c.h
@@ -0,0 +1,256 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_gdbm_gdbm_get__doc__,
+"get($self, key, default=None, /)\n"
+"--\n"
+"\n"
+"Get the value for key, or default if not present.");
+
+#define _GDBM_GDBM_GET_METHODDEF    \
+    {"get", (PyCFunction)_gdbm_gdbm_get, METH_VARARGS, _gdbm_gdbm_get__doc__},
+
+static PyObject *
+_gdbm_gdbm_get_impl(dbmobject *self, PyObject *key, PyObject *default_value);
+
+static PyObject *
+_gdbm_gdbm_get(dbmobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *key;
+    PyObject *default_value = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "get",
+        1, 2,
+        &key, &default_value))
+        goto exit;
+    return_value = _gdbm_gdbm_get_impl(self, key, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_setdefault__doc__,
+"setdefault($self, key, default=None, /)\n"
+"--\n"
+"\n"
+"Get value for key, or set it to default and return default if not present.");
+
+#define _GDBM_GDBM_SETDEFAULT_METHODDEF    \
+    {"setdefault", (PyCFunction)_gdbm_gdbm_setdefault, METH_VARARGS, _gdbm_gdbm_setdefault__doc__},
+
+static PyObject *
+_gdbm_gdbm_setdefault_impl(dbmobject *self, PyObject *key,
+                           PyObject *default_value);
+
+static PyObject *
+_gdbm_gdbm_setdefault(dbmobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *key;
+    PyObject *default_value = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "setdefault",
+        1, 2,
+        &key, &default_value))
+        goto exit;
+    return_value = _gdbm_gdbm_setdefault_impl(self, key, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_close__doc__,
+"close($self, /)\n"
+"--\n"
+"\n"
+"Close the database.");
+
+#define _GDBM_GDBM_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)_gdbm_gdbm_close, METH_NOARGS, _gdbm_gdbm_close__doc__},
+
+static PyObject *
+_gdbm_gdbm_close_impl(dbmobject *self);
+
+static PyObject *
+_gdbm_gdbm_close(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _gdbm_gdbm_close_impl(self);
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_keys__doc__,
+"keys($self, /)\n"
+"--\n"
+"\n"
+"Get a list of all keys in the database.");
+
+#define _GDBM_GDBM_KEYS_METHODDEF    \
+    {"keys", (PyCFunction)_gdbm_gdbm_keys, METH_NOARGS, _gdbm_gdbm_keys__doc__},
+
+static PyObject *
+_gdbm_gdbm_keys_impl(dbmobject *self);
+
+static PyObject *
+_gdbm_gdbm_keys(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _gdbm_gdbm_keys_impl(self);
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_firstkey__doc__,
+"firstkey($self, /)\n"
+"--\n"
+"\n"
+"Return the starting key for the traversal.\n"
+"\n"
+"It\'s possible to loop over every key in the database using this method\n"
+"and the nextkey() method.  The traversal is ordered by GDBM\'s internal\n"
+"hash values, and won\'t be sorted by the key values.");
+
+#define _GDBM_GDBM_FIRSTKEY_METHODDEF    \
+    {"firstkey", (PyCFunction)_gdbm_gdbm_firstkey, METH_NOARGS, _gdbm_gdbm_firstkey__doc__},
+
+static PyObject *
+_gdbm_gdbm_firstkey_impl(dbmobject *self);
+
+static PyObject *
+_gdbm_gdbm_firstkey(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _gdbm_gdbm_firstkey_impl(self);
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_nextkey__doc__,
+"nextkey($self, key, /)\n"
+"--\n"
+"\n"
+"Returns the key that follows key in the traversal.\n"
+"\n"
+"The following code prints every key in the database db, without having\n"
+"to create a list in memory that contains them all:\n"
+"\n"
+"      k = db.firstkey()\n"
+"      while k != None:\n"
+"          print(k)\n"
+"          k = db.nextkey(k)");
+
+#define _GDBM_GDBM_NEXTKEY_METHODDEF    \
+    {"nextkey", (PyCFunction)_gdbm_gdbm_nextkey, METH_O, _gdbm_gdbm_nextkey__doc__},
+
+static PyObject *
+_gdbm_gdbm_nextkey_impl(dbmobject *self, const char *key,
+                        Py_ssize_clean_t key_length);
+
+static PyObject *
+_gdbm_gdbm_nextkey(dbmobject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    const char *key;
+    Py_ssize_clean_t key_length;
+
+    if (!PyArg_Parse(arg,
+        "s#:nextkey",
+        &key, &key_length))
+        goto exit;
+    return_value = _gdbm_gdbm_nextkey_impl(self, key, key_length);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_reorganize__doc__,
+"reorganize($self, /)\n"
+"--\n"
+"\n"
+"Reorganize the database.\n"
+"\n"
+"If you have carried out a lot of deletions and would like to shrink\n"
+"the space used by the GDBM file, this routine will reorganize the\n"
+"database.  GDBM will not shorten the length of a database file except\n"
+"by using this reorganization; otherwise, deleted file space will be\n"
+"kept and reused as new (key,value) pairs are added.");
+
+#define _GDBM_GDBM_REORGANIZE_METHODDEF    \
+    {"reorganize", (PyCFunction)_gdbm_gdbm_reorganize, METH_NOARGS, _gdbm_gdbm_reorganize__doc__},
+
+static PyObject *
+_gdbm_gdbm_reorganize_impl(dbmobject *self);
+
+static PyObject *
+_gdbm_gdbm_reorganize(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _gdbm_gdbm_reorganize_impl(self);
+}
+
+PyDoc_STRVAR(_gdbm_gdbm_sync__doc__,
+"sync($self, /)\n"
+"--\n"
+"\n"
+"Flush the database to the disk file.\n"
+"\n"
+"When the database has been opened in fast mode, this method forces\n"
+"any unwritten data to be written to the disk.");
+
+#define _GDBM_GDBM_SYNC_METHODDEF    \
+    {"sync", (PyCFunction)_gdbm_gdbm_sync, METH_NOARGS, _gdbm_gdbm_sync__doc__},
+
+static PyObject *
+_gdbm_gdbm_sync_impl(dbmobject *self);
+
+static PyObject *
+_gdbm_gdbm_sync(dbmobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return _gdbm_gdbm_sync_impl(self);
+}
+
+PyDoc_STRVAR(dbmopen__doc__,
+"open($module, filename, flags=\'r\', mode=0o666, /)\n"
+"--\n"
+"\n"
+"Open a dbm database and return a dbm object.\n"
+"\n"
+"The filename argument is the name of the database file.\n"
+"\n"
+"The optional flags argument can be \'r\' (to open an existing database\n"
+"for reading only -- default), \'w\' (to open an existing database for\n"
+"reading and writing), \'c\' (which creates the database if it doesn\'t\n"
+"exist), or \'n\' (which always creates a new empty database).\n"
+"\n"
+"Some versions of gdbm support additional flags which must be\n"
+"appended to one of the flags described above.  The module constant\n"
+"\'open_flags\' is a string of valid additional flags.  The \'f\' flag\n"
+"opens the database in fast mode; altered data will not automatically\n"
+"be written to the disk after every change.  This results in faster\n"
+"writes to the database, but may result in an inconsistent database\n"
+"if the program crashes while the database is still open.  Use the\n"
+"sync() method to force any unwritten data to be written to the disk.\n"
+"The \'s\' flag causes all database operations to be synchronized to\n"
+"disk.  The \'u\' flag disables locking of the database file.\n"
+"\n"
+"The optional mode argument is the Unix mode of the file, used only\n"
+"when the database has to be created.  It defaults to octal 0o666.");
+
+#define DBMOPEN_METHODDEF    \
+    {"open", (PyCFunction)dbmopen, METH_VARARGS, dbmopen__doc__},
+
+static PyObject *
+dbmopen_impl(PyModuleDef *module, const char *name, const char *flags,
+             int mode);
+
+static PyObject *
+dbmopen(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *name;
+    const char *flags = "r";
+    int mode = 438;
+
+    if (!PyArg_ParseTuple(args,
+        "s|si:open",
+        &name, &flags, &mode))
+        goto exit;
+    return_value = dbmopen_impl(module, name, flags, mode);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=b41c68a5f30699cb input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_lzmamodule.c.h b/Modules/clinic/_lzmamodule.c.h
index c1ad882..815dc90 100644
--- a/Modules/clinic/_lzmamodule.c.h
+++ b/Modules/clinic/_lzmamodule.c.h
@@ -14,18 +14,18 @@ PyDoc_STRVAR(_lzma_LZMACompressor_compress__doc__,
 "flush() method to finish the compression process.");
 
 #define _LZMA_LZMACOMPRESSOR_COMPRESS_METHODDEF    \
-    {"compress", (PyCFunction)_lzma_LZMACompressor_compress, METH_VARARGS, _lzma_LZMACompressor_compress__doc__},
+    {"compress", (PyCFunction)_lzma_LZMACompressor_compress, METH_O, _lzma_LZMACompressor_compress__doc__},
 
 static PyObject *
 _lzma_LZMACompressor_compress_impl(Compressor *self, Py_buffer *data);
 
 static PyObject *
-_lzma_LZMACompressor_compress(Compressor *self, PyObject *args)
+_lzma_LZMACompressor_compress(Compressor *self, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:compress",
         &data))
         goto exit;
@@ -62,34 +62,44 @@ _lzma_LZMACompressor_flush(Compressor *self, PyObject *Py_UNUSED(ignored))
 }
 
 PyDoc_STRVAR(_lzma_LZMADecompressor_decompress__doc__,
-"decompress($self, data, /)\n"
+"decompress($self, /, data, max_length=-1)\n"
 "--\n"
 "\n"
-"Provide data to the decompressor object.\n"
+"Decompress *data*, returning uncompressed data as bytes.\n"
+"\n"
+"If *max_length* is nonnegative, returns at most *max_length* bytes of\n"
+"decompressed data. If this limit is reached and further output can be\n"
+"produced, *self.needs_input* will be set to ``False``. In this case, the next\n"
+"call to *decompress()* may provide *data* as b\'\' to obtain more of the output.\n"
 "\n"
-"Returns a chunk of decompressed data if possible, or b\'\' otherwise.\n"
+"If all of the input data was decompressed and returned (either because this\n"
+"was less than *max_length* bytes, or because *max_length* was negative),\n"
+"*self.needs_input* will be set to True.\n"
 "\n"
-"Attempting to decompress data after the end of stream is reached\n"
-"raises an EOFError.  Any data found after the end of the stream\n"
-"is ignored and saved in the unused_data attribute.");
+"Attempting to decompress data after the end of stream is reached raises an\n"
+"EOFError.  Any data found after the end of the stream is ignored and saved in\n"
+"the unused_data attribute.");
 
 #define _LZMA_LZMADECOMPRESSOR_DECOMPRESS_METHODDEF    \
-    {"decompress", (PyCFunction)_lzma_LZMADecompressor_decompress, METH_VARARGS, _lzma_LZMADecompressor_decompress__doc__},
+    {"decompress", (PyCFunction)_lzma_LZMADecompressor_decompress, METH_VARARGS|METH_KEYWORDS, _lzma_LZMADecompressor_decompress__doc__},
 
 static PyObject *
-_lzma_LZMADecompressor_decompress_impl(Decompressor *self, Py_buffer *data);
+_lzma_LZMADecompressor_decompress_impl(Decompressor *self, Py_buffer *data,
+                                       Py_ssize_t max_length);
 
 static PyObject *
-_lzma_LZMADecompressor_decompress(Decompressor *self, PyObject *args)
+_lzma_LZMADecompressor_decompress(Decompressor *self, PyObject *args, PyObject *kwargs)
 {
     PyObject *return_value = NULL;
+    static char *_keywords[] = {"data", "max_length", NULL};
     Py_buffer data = {NULL, NULL};
+    Py_ssize_t max_length = -1;
 
-    if (!PyArg_ParseTuple(args,
-        "y*:decompress",
-        &data))
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "y*|n:decompress", _keywords,
+        &data, &max_length))
         goto exit;
-    return_value = _lzma_LZMADecompressor_decompress_impl(self, &data);
+    return_value = _lzma_LZMADecompressor_decompress_impl(self, &data, max_length);
 
 exit:
     /* Cleanup for data */
@@ -123,7 +133,8 @@ PyDoc_STRVAR(_lzma_LZMADecompressor___init____doc__,
 "For one-shot decompression, use the decompress() function instead.");
 
 static int
-_lzma_LZMADecompressor___init___impl(Decompressor *self, int format, PyObject *memlimit, PyObject *filters);
+_lzma_LZMADecompressor___init___impl(Decompressor *self, int format,
+                                     PyObject *memlimit, PyObject *filters);
 
 static int
 _lzma_LZMADecompressor___init__(PyObject *self, PyObject *args, PyObject *kwargs)
@@ -153,18 +164,18 @@ PyDoc_STRVAR(_lzma_is_check_supported__doc__,
 "Always returns True for CHECK_NONE and CHECK_CRC32.");
 
 #define _LZMA_IS_CHECK_SUPPORTED_METHODDEF    \
-    {"is_check_supported", (PyCFunction)_lzma_is_check_supported, METH_VARARGS, _lzma_is_check_supported__doc__},
+    {"is_check_supported", (PyCFunction)_lzma_is_check_supported, METH_O, _lzma_is_check_supported__doc__},
 
 static PyObject *
 _lzma_is_check_supported_impl(PyModuleDef *module, int check_id);
 
 static PyObject *
-_lzma_is_check_supported(PyModuleDef *module, PyObject *args)
+_lzma_is_check_supported(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     int check_id;
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "i:is_check_supported",
         &check_id))
         goto exit;
@@ -183,18 +194,18 @@ PyDoc_STRVAR(_lzma__encode_filter_properties__doc__,
 "The result does not include the filter ID itself, only the options.");
 
 #define _LZMA__ENCODE_FILTER_PROPERTIES_METHODDEF    \
-    {"_encode_filter_properties", (PyCFunction)_lzma__encode_filter_properties, METH_VARARGS, _lzma__encode_filter_properties__doc__},
+    {"_encode_filter_properties", (PyCFunction)_lzma__encode_filter_properties, METH_O, _lzma__encode_filter_properties__doc__},
 
 static PyObject *
 _lzma__encode_filter_properties_impl(PyModuleDef *module, lzma_filter filter);
 
 static PyObject *
-_lzma__encode_filter_properties(PyModuleDef *module, PyObject *args)
+_lzma__encode_filter_properties(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     lzma_filter filter = {LZMA_VLI_UNKNOWN, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "O&:_encode_filter_properties",
         lzma_filter_converter, &filter))
         goto exit;
@@ -220,7 +231,8 @@ PyDoc_STRVAR(_lzma__decode_filter_properties__doc__,
     {"_decode_filter_properties", (PyCFunction)_lzma__decode_filter_properties, METH_VARARGS, _lzma__decode_filter_properties__doc__},
 
 static PyObject *
-_lzma__decode_filter_properties_impl(PyModuleDef *module, lzma_vli filter_id, Py_buffer *encoded_props);
+_lzma__decode_filter_properties_impl(PyModuleDef *module, lzma_vli filter_id,
+                                     Py_buffer *encoded_props);
 
 static PyObject *
 _lzma__decode_filter_properties(PyModuleDef *module, PyObject *args)
@@ -242,4 +254,4 @@ exit:
 
     return return_value;
 }
-/*[clinic end generated code: output=808fec8216ac712b input=a9049054013a1b77]*/
+/*[clinic end generated code: output=8981089cde080b54 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_opcode.c.h b/Modules/clinic/_opcode.c.h
new file mode 100644
index 0000000..945c904
--- /dev/null
+++ b/Modules/clinic/_opcode.c.h
@@ -0,0 +1,37 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_opcode_stack_effect__doc__,
+"stack_effect($module, opcode, oparg=None, /)\n"
+"--\n"
+"\n"
+"Compute the stack effect of the opcode.");
+
+#define _OPCODE_STACK_EFFECT_METHODDEF    \
+    {"stack_effect", (PyCFunction)_opcode_stack_effect, METH_VARARGS, _opcode_stack_effect__doc__},
+
+static int
+_opcode_stack_effect_impl(PyModuleDef *module, int opcode, PyObject *oparg);
+
+static PyObject *
+_opcode_stack_effect(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int opcode;
+    PyObject *oparg = Py_None;
+    int _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "i|O:stack_effect",
+        &opcode, &oparg))
+        goto exit;
+    _return_value = _opcode_stack_effect_impl(module, opcode, oparg);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=dbe45148bc21ecdf input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_pickle.c.h b/Modules/clinic/_pickle.c.h
index 975298c..c7fa5bf 100644
--- a/Modules/clinic/_pickle.c.h
+++ b/Modules/clinic/_pickle.c.h
@@ -85,7 +85,8 @@ PyDoc_STRVAR(_pickle_Pickler___init____doc__,
 "2, so that the pickle data stream is readable with Python 2.");
 
 static int
-_pickle_Pickler___init___impl(PicklerObject *self, PyObject *file, PyObject *protocol, int fix_imports);
+_pickle_Pickler___init___impl(PicklerObject *self, PyObject *file,
+                              PyObject *protocol, int fix_imports);
 
 static int
 _pickle_Pickler___init__(PyObject *self, PyObject *args, PyObject *kwargs)
@@ -199,7 +200,9 @@ PyDoc_STRVAR(_pickle_Unpickler_find_class__doc__,
     {"find_class", (PyCFunction)_pickle_Unpickler_find_class, METH_VARARGS, _pickle_Unpickler_find_class__doc__},
 
 static PyObject *
-_pickle_Unpickler_find_class_impl(UnpicklerObject *self, PyObject *module_name, PyObject *global_name);
+_pickle_Unpickler_find_class_impl(UnpicklerObject *self,
+                                  PyObject *module_name,
+                                  PyObject *global_name);
 
 static PyObject *
 _pickle_Unpickler_find_class(UnpicklerObject *self, PyObject *args)
@@ -271,7 +274,9 @@ PyDoc_STRVAR(_pickle_Unpickler___init____doc__,
 "string instances as bytes objects.");
 
 static int
-_pickle_Unpickler___init___impl(UnpicklerObject *self, PyObject *file, int fix_imports, const char *encoding, const char *errors);
+_pickle_Unpickler___init___impl(UnpicklerObject *self, PyObject *file,
+                                int fix_imports, const char *encoding,
+                                const char *errors);
 
 static int
 _pickle_Unpickler___init__(PyObject *self, PyObject *args, PyObject *kwargs)
@@ -377,7 +382,8 @@ PyDoc_STRVAR(_pickle_dump__doc__,
     {"dump", (PyCFunction)_pickle_dump, METH_VARARGS|METH_KEYWORDS, _pickle_dump__doc__},
 
 static PyObject *
-_pickle_dump_impl(PyModuleDef *module, PyObject *obj, PyObject *file, PyObject *protocol, int fix_imports);
+_pickle_dump_impl(PyModuleDef *module, PyObject *obj, PyObject *file,
+                  PyObject *protocol, int fix_imports);
 
 static PyObject *
 _pickle_dump(PyModuleDef *module, PyObject *args, PyObject *kwargs)
@@ -421,7 +427,8 @@ PyDoc_STRVAR(_pickle_dumps__doc__,
     {"dumps", (PyCFunction)_pickle_dumps, METH_VARARGS|METH_KEYWORDS, _pickle_dumps__doc__},
 
 static PyObject *
-_pickle_dumps_impl(PyModuleDef *module, PyObject *obj, PyObject *protocol, int fix_imports);
+_pickle_dumps_impl(PyModuleDef *module, PyObject *obj, PyObject *protocol,
+                   int fix_imports);
 
 static PyObject *
 _pickle_dumps(PyModuleDef *module, PyObject *args, PyObject *kwargs)
@@ -475,7 +482,8 @@ PyDoc_STRVAR(_pickle_load__doc__,
     {"load", (PyCFunction)_pickle_load, METH_VARARGS|METH_KEYWORDS, _pickle_load__doc__},
 
 static PyObject *
-_pickle_load_impl(PyModuleDef *module, PyObject *file, int fix_imports, const char *encoding, const char *errors);
+_pickle_load_impl(PyModuleDef *module, PyObject *file, int fix_imports,
+                  const char *encoding, const char *errors);
 
 static PyObject *
 _pickle_load(PyModuleDef *module, PyObject *args, PyObject *kwargs)
@@ -521,7 +529,8 @@ PyDoc_STRVAR(_pickle_loads__doc__,
     {"loads", (PyCFunction)_pickle_loads, METH_VARARGS|METH_KEYWORDS, _pickle_loads__doc__},
 
 static PyObject *
-_pickle_loads_impl(PyModuleDef *module, PyObject *data, int fix_imports, const char *encoding, const char *errors);
+_pickle_loads_impl(PyModuleDef *module, PyObject *data, int fix_imports,
+                   const char *encoding, const char *errors);
 
 static PyObject *
 _pickle_loads(PyModuleDef *module, PyObject *args, PyObject *kwargs)
@@ -542,4 +551,4 @@ _pickle_loads(PyModuleDef *module, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=3aba79576e240c62 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=2c413ecc2ec74f7c input=a9049054013a1b77]*/
diff --git a/Modules/clinic/_weakref.c.h b/Modules/clinic/_weakref.c.h
new file mode 100644
index 0000000..87c701c
--- /dev/null
+++ b/Modules/clinic/_weakref.c.h
@@ -0,0 +1,31 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(_weakref_getweakrefcount__doc__,
+"getweakrefcount($module, object, /)\n"
+"--\n"
+"\n"
+"Return the number of weak references to \'object\'.");
+
+#define _WEAKREF_GETWEAKREFCOUNT_METHODDEF    \
+    {"getweakrefcount", (PyCFunction)_weakref_getweakrefcount, METH_O, _weakref_getweakrefcount__doc__},
+
+static Py_ssize_t
+_weakref_getweakrefcount_impl(PyModuleDef *module, PyObject *object);
+
+static PyObject *
+_weakref_getweakrefcount(PyModuleDef *module, PyObject *object)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t _return_value;
+
+    _return_value = _weakref_getweakrefcount_impl(module, object);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromSsize_t(_return_value);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=4da9aade63eed77f input=a9049054013a1b77]*/
diff --git a/Modules/clinic/arraymodule.c.h b/Modules/clinic/arraymodule.c.h
new file mode 100644
index 0000000..2e64aad
--- /dev/null
+++ b/Modules/clinic/arraymodule.c.h
@@ -0,0 +1,509 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(array_array___copy____doc__,
+"__copy__($self, /)\n"
+"--\n"
+"\n"
+"Return a copy of the array.");
+
+#define ARRAY_ARRAY___COPY___METHODDEF    \
+    {"__copy__", (PyCFunction)array_array___copy__, METH_NOARGS, array_array___copy____doc__},
+
+static PyObject *
+array_array___copy___impl(arrayobject *self);
+
+static PyObject *
+array_array___copy__(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array___copy___impl(self);
+}
+
+PyDoc_STRVAR(array_array___deepcopy____doc__,
+"__deepcopy__($self, unused, /)\n"
+"--\n"
+"\n"
+"Return a copy of the array.");
+
+#define ARRAY_ARRAY___DEEPCOPY___METHODDEF    \
+    {"__deepcopy__", (PyCFunction)array_array___deepcopy__, METH_O, array_array___deepcopy____doc__},
+
+PyDoc_STRVAR(array_array_count__doc__,
+"count($self, v, /)\n"
+"--\n"
+"\n"
+"Return number of occurrences of v in the array.");
+
+#define ARRAY_ARRAY_COUNT_METHODDEF    \
+    {"count", (PyCFunction)array_array_count, METH_O, array_array_count__doc__},
+
+PyDoc_STRVAR(array_array_index__doc__,
+"index($self, v, /)\n"
+"--\n"
+"\n"
+"Return index of first occurrence of v in the array.");
+
+#define ARRAY_ARRAY_INDEX_METHODDEF    \
+    {"index", (PyCFunction)array_array_index, METH_O, array_array_index__doc__},
+
+PyDoc_STRVAR(array_array_remove__doc__,
+"remove($self, v, /)\n"
+"--\n"
+"\n"
+"Remove the first occurrence of v in the array.");
+
+#define ARRAY_ARRAY_REMOVE_METHODDEF    \
+    {"remove", (PyCFunction)array_array_remove, METH_O, array_array_remove__doc__},
+
+PyDoc_STRVAR(array_array_pop__doc__,
+"pop($self, i=-1, /)\n"
+"--\n"
+"\n"
+"Return the i-th element and delete it from the array.\n"
+"\n"
+"i defaults to -1.");
+
+#define ARRAY_ARRAY_POP_METHODDEF    \
+    {"pop", (PyCFunction)array_array_pop, METH_VARARGS, array_array_pop__doc__},
+
+static PyObject *
+array_array_pop_impl(arrayobject *self, Py_ssize_t i);
+
+static PyObject *
+array_array_pop(arrayobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t i = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|n:pop",
+        &i))
+        goto exit;
+    return_value = array_array_pop_impl(self, i);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array_extend__doc__,
+"extend($self, bb, /)\n"
+"--\n"
+"\n"
+"Append items to the end of the array.");
+
+#define ARRAY_ARRAY_EXTEND_METHODDEF    \
+    {"extend", (PyCFunction)array_array_extend, METH_O, array_array_extend__doc__},
+
+PyDoc_STRVAR(array_array_insert__doc__,
+"insert($self, i, v, /)\n"
+"--\n"
+"\n"
+"Insert a new item v into the array before position i.");
+
+#define ARRAY_ARRAY_INSERT_METHODDEF    \
+    {"insert", (PyCFunction)array_array_insert, METH_VARARGS, array_array_insert__doc__},
+
+static PyObject *
+array_array_insert_impl(arrayobject *self, Py_ssize_t i, PyObject *v);
+
+static PyObject *
+array_array_insert(arrayobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t i;
+    PyObject *v;
+
+    if (!PyArg_ParseTuple(args,
+        "nO:insert",
+        &i, &v))
+        goto exit;
+    return_value = array_array_insert_impl(self, i, v);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array_buffer_info__doc__,
+"buffer_info($self, /)\n"
+"--\n"
+"\n"
+"Return a tuple (address, length) giving the current memory address and the length in items of the buffer used to hold array\'s contents.\n"
+"\n"
+"The length should be multiplied by the itemsize attribute to calculate\n"
+"the buffer length in bytes.");
+
+#define ARRAY_ARRAY_BUFFER_INFO_METHODDEF    \
+    {"buffer_info", (PyCFunction)array_array_buffer_info, METH_NOARGS, array_array_buffer_info__doc__},
+
+static PyObject *
+array_array_buffer_info_impl(arrayobject *self);
+
+static PyObject *
+array_array_buffer_info(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_buffer_info_impl(self);
+}
+
+PyDoc_STRVAR(array_array_append__doc__,
+"append($self, v, /)\n"
+"--\n"
+"\n"
+"Append new value v to the end of the array.");
+
+#define ARRAY_ARRAY_APPEND_METHODDEF    \
+    {"append", (PyCFunction)array_array_append, METH_O, array_array_append__doc__},
+
+PyDoc_STRVAR(array_array_byteswap__doc__,
+"byteswap($self, /)\n"
+"--\n"
+"\n"
+"Byteswap all items of the array.\n"
+"\n"
+"If the items in the array are not 1, 2, 4, or 8 bytes in size, RuntimeError is\n"
+"raised.");
+
+#define ARRAY_ARRAY_BYTESWAP_METHODDEF    \
+    {"byteswap", (PyCFunction)array_array_byteswap, METH_NOARGS, array_array_byteswap__doc__},
+
+static PyObject *
+array_array_byteswap_impl(arrayobject *self);
+
+static PyObject *
+array_array_byteswap(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_byteswap_impl(self);
+}
+
+PyDoc_STRVAR(array_array_reverse__doc__,
+"reverse($self, /)\n"
+"--\n"
+"\n"
+"Reverse the order of the items in the array.");
+
+#define ARRAY_ARRAY_REVERSE_METHODDEF    \
+    {"reverse", (PyCFunction)array_array_reverse, METH_NOARGS, array_array_reverse__doc__},
+
+static PyObject *
+array_array_reverse_impl(arrayobject *self);
+
+static PyObject *
+array_array_reverse(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_reverse_impl(self);
+}
+
+PyDoc_STRVAR(array_array_fromfile__doc__,
+"fromfile($self, f, n, /)\n"
+"--\n"
+"\n"
+"Read n objects from the file object f and append them to the end of the array.");
+
+#define ARRAY_ARRAY_FROMFILE_METHODDEF    \
+    {"fromfile", (PyCFunction)array_array_fromfile, METH_VARARGS, array_array_fromfile__doc__},
+
+static PyObject *
+array_array_fromfile_impl(arrayobject *self, PyObject *f, Py_ssize_t n);
+
+static PyObject *
+array_array_fromfile(arrayobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *f;
+    Py_ssize_t n;
+
+    if (!PyArg_ParseTuple(args,
+        "On:fromfile",
+        &f, &n))
+        goto exit;
+    return_value = array_array_fromfile_impl(self, f, n);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array_tofile__doc__,
+"tofile($self, f, /)\n"
+"--\n"
+"\n"
+"Write all items (as machine values) to the file object f.");
+
+#define ARRAY_ARRAY_TOFILE_METHODDEF    \
+    {"tofile", (PyCFunction)array_array_tofile, METH_O, array_array_tofile__doc__},
+
+PyDoc_STRVAR(array_array_fromlist__doc__,
+"fromlist($self, list, /)\n"
+"--\n"
+"\n"
+"Append items to array from list.");
+
+#define ARRAY_ARRAY_FROMLIST_METHODDEF    \
+    {"fromlist", (PyCFunction)array_array_fromlist, METH_O, array_array_fromlist__doc__},
+
+PyDoc_STRVAR(array_array_tolist__doc__,
+"tolist($self, /)\n"
+"--\n"
+"\n"
+"Convert array to an ordinary list with the same items.");
+
+#define ARRAY_ARRAY_TOLIST_METHODDEF    \
+    {"tolist", (PyCFunction)array_array_tolist, METH_NOARGS, array_array_tolist__doc__},
+
+static PyObject *
+array_array_tolist_impl(arrayobject *self);
+
+static PyObject *
+array_array_tolist(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_tolist_impl(self);
+}
+
+PyDoc_STRVAR(array_array_fromstring__doc__,
+"fromstring($self, buffer, /)\n"
+"--\n"
+"\n"
+"Appends items from the string, interpreting it as an array of machine values, as if it had been read from a file using the fromfile() method).\n"
+"\n"
+"This method is deprecated. Use frombytes instead.");
+
+#define ARRAY_ARRAY_FROMSTRING_METHODDEF    \
+    {"fromstring", (PyCFunction)array_array_fromstring, METH_O, array_array_fromstring__doc__},
+
+static PyObject *
+array_array_fromstring_impl(arrayobject *self, Py_buffer *buffer);
+
+static PyObject *
+array_array_fromstring(arrayobject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "s*:fromstring",
+        &buffer))
+        goto exit;
+    return_value = array_array_fromstring_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array_frombytes__doc__,
+"frombytes($self, buffer, /)\n"
+"--\n"
+"\n"
+"Appends items from the string, interpreting it as an array of machine values, as if it had been read from a file using the fromfile() method).");
+
+#define ARRAY_ARRAY_FROMBYTES_METHODDEF    \
+    {"frombytes", (PyCFunction)array_array_frombytes, METH_O, array_array_frombytes__doc__},
+
+static PyObject *
+array_array_frombytes_impl(arrayobject *self, Py_buffer *buffer);
+
+static PyObject *
+array_array_frombytes(arrayobject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer buffer = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "y*:frombytes",
+        &buffer))
+        goto exit;
+    return_value = array_array_frombytes_impl(self, &buffer);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array_tobytes__doc__,
+"tobytes($self, /)\n"
+"--\n"
+"\n"
+"Convert the array to an array of machine values and return the bytes representation.");
+
+#define ARRAY_ARRAY_TOBYTES_METHODDEF    \
+    {"tobytes", (PyCFunction)array_array_tobytes, METH_NOARGS, array_array_tobytes__doc__},
+
+static PyObject *
+array_array_tobytes_impl(arrayobject *self);
+
+static PyObject *
+array_array_tobytes(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_tobytes_impl(self);
+}
+
+PyDoc_STRVAR(array_array_tostring__doc__,
+"tostring($self, /)\n"
+"--\n"
+"\n"
+"Convert the array to an array of machine values and return the bytes representation.\n"
+"\n"
+"This method is deprecated. Use tobytes instead.");
+
+#define ARRAY_ARRAY_TOSTRING_METHODDEF    \
+    {"tostring", (PyCFunction)array_array_tostring, METH_NOARGS, array_array_tostring__doc__},
+
+static PyObject *
+array_array_tostring_impl(arrayobject *self);
+
+static PyObject *
+array_array_tostring(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_tostring_impl(self);
+}
+
+PyDoc_STRVAR(array_array_fromunicode__doc__,
+"fromunicode($self, ustr, /)\n"
+"--\n"
+"\n"
+"Extends this array with data from the unicode string ustr.\n"
+"\n"
+"The array must be a unicode type array; otherwise a ValueError is raised.\n"
+"Use array.frombytes(ustr.encode(...)) to append Unicode data to an array of\n"
+"some other type.");
+
+#define ARRAY_ARRAY_FROMUNICODE_METHODDEF    \
+    {"fromunicode", (PyCFunction)array_array_fromunicode, METH_O, array_array_fromunicode__doc__},
+
+static PyObject *
+array_array_fromunicode_impl(arrayobject *self, Py_UNICODE *ustr,
+                             Py_ssize_clean_t ustr_length);
+
+static PyObject *
+array_array_fromunicode(arrayobject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_UNICODE *ustr;
+    Py_ssize_clean_t ustr_length;
+
+    if (!PyArg_Parse(arg,
+        "u#:fromunicode",
+        &ustr, &ustr_length))
+        goto exit;
+    return_value = array_array_fromunicode_impl(self, ustr, ustr_length);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array_tounicode__doc__,
+"tounicode($self, /)\n"
+"--\n"
+"\n"
+"Extends this array with data from the unicode string ustr.\n"
+"\n"
+"Convert the array to a unicode string.  The array must be a unicode type array;\n"
+"otherwise a ValueError is raised.  Use array.tobytes().decode() to obtain a\n"
+"unicode string from an array of some other type.");
+
+#define ARRAY_ARRAY_TOUNICODE_METHODDEF    \
+    {"tounicode", (PyCFunction)array_array_tounicode, METH_NOARGS, array_array_tounicode__doc__},
+
+static PyObject *
+array_array_tounicode_impl(arrayobject *self);
+
+static PyObject *
+array_array_tounicode(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array_tounicode_impl(self);
+}
+
+PyDoc_STRVAR(array_array___sizeof____doc__,
+"__sizeof__($self, /)\n"
+"--\n"
+"\n"
+"Size of the array in memory, in bytes.");
+
+#define ARRAY_ARRAY___SIZEOF___METHODDEF    \
+    {"__sizeof__", (PyCFunction)array_array___sizeof__, METH_NOARGS, array_array___sizeof____doc__},
+
+static PyObject *
+array_array___sizeof___impl(arrayobject *self);
+
+static PyObject *
+array_array___sizeof__(arrayobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_array___sizeof___impl(self);
+}
+
+PyDoc_STRVAR(array__array_reconstructor__doc__,
+"_array_reconstructor($module, arraytype, typecode, mformat_code, items,\n"
+"                     /)\n"
+"--\n"
+"\n"
+"Internal. Used for pickling support.");
+
+#define ARRAY__ARRAY_RECONSTRUCTOR_METHODDEF    \
+    {"_array_reconstructor", (PyCFunction)array__array_reconstructor, METH_VARARGS, array__array_reconstructor__doc__},
+
+static PyObject *
+array__array_reconstructor_impl(PyModuleDef *module, PyTypeObject *arraytype,
+                                int typecode,
+                                enum machine_format_code mformat_code,
+                                PyObject *items);
+
+static PyObject *
+array__array_reconstructor(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyTypeObject *arraytype;
+    int typecode;
+    enum machine_format_code mformat_code;
+    PyObject *items;
+
+    if (!PyArg_ParseTuple(args,
+        "OCiO:_array_reconstructor",
+        &arraytype, &typecode, &mformat_code, &items))
+        goto exit;
+    return_value = array__array_reconstructor_impl(module, arraytype, typecode, mformat_code, items);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(array_array___reduce_ex____doc__,
+"__reduce_ex__($self, value, /)\n"
+"--\n"
+"\n"
+"Return state information for pickling.");
+
+#define ARRAY_ARRAY___REDUCE_EX___METHODDEF    \
+    {"__reduce_ex__", (PyCFunction)array_array___reduce_ex__, METH_O, array_array___reduce_ex____doc__},
+
+PyDoc_STRVAR(array_arrayiterator___reduce____doc__,
+"__reduce__($self, /)\n"
+"--\n"
+"\n"
+"Return state information for pickling.");
+
+#define ARRAY_ARRAYITERATOR___REDUCE___METHODDEF    \
+    {"__reduce__", (PyCFunction)array_arrayiterator___reduce__, METH_NOARGS, array_arrayiterator___reduce____doc__},
+
+static PyObject *
+array_arrayiterator___reduce___impl(arrayiterobject *self);
+
+static PyObject *
+array_arrayiterator___reduce__(arrayiterobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return array_arrayiterator___reduce___impl(self);
+}
+
+PyDoc_STRVAR(array_arrayiterator___setstate____doc__,
+"__setstate__($self, state, /)\n"
+"--\n"
+"\n"
+"Set state information for unpickling.");
+
+#define ARRAY_ARRAYITERATOR___SETSTATE___METHODDEF    \
+    {"__setstate__", (PyCFunction)array_arrayiterator___setstate__, METH_O, array_arrayiterator___setstate____doc__},
+/*[clinic end generated code: output=48e8198c8087cd00 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/audioop.c.h b/Modules/clinic/audioop.c.h
index 40ef5e2..a58afda 100644
--- a/Modules/clinic/audioop.c.h
+++ b/Modules/clinic/audioop.c.h
@@ -12,7 +12,8 @@ PyDoc_STRVAR(audioop_getsample__doc__,
     {"getsample", (PyCFunction)audioop_getsample, METH_VARARGS, audioop_getsample__doc__},
 
 static PyObject *
-audioop_getsample_impl(PyModuleDef *module, Py_buffer *fragment, int width, Py_ssize_t index);
+audioop_getsample_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                       Py_ssize_t index);
 
 static PyObject *
 audioop_getsample(PyModuleDef *module, PyObject *args)
@@ -178,7 +179,8 @@ PyDoc_STRVAR(audioop_findfit__doc__,
     {"findfit", (PyCFunction)audioop_findfit, METH_VARARGS, audioop_findfit__doc__},
 
 static PyObject *
-audioop_findfit_impl(PyModuleDef *module, Py_buffer *fragment, Py_buffer *reference);
+audioop_findfit_impl(PyModuleDef *module, Py_buffer *fragment,
+                     Py_buffer *reference);
 
 static PyObject *
 audioop_findfit(PyModuleDef *module, PyObject *args)
@@ -214,7 +216,8 @@ PyDoc_STRVAR(audioop_findfactor__doc__,
     {"findfactor", (PyCFunction)audioop_findfactor, METH_VARARGS, audioop_findfactor__doc__},
 
 static PyObject *
-audioop_findfactor_impl(PyModuleDef *module, Py_buffer *fragment, Py_buffer *reference);
+audioop_findfactor_impl(PyModuleDef *module, Py_buffer *fragment,
+                        Py_buffer *reference);
 
 static PyObject *
 audioop_findfactor(PyModuleDef *module, PyObject *args)
@@ -250,7 +253,8 @@ PyDoc_STRVAR(audioop_findmax__doc__,
     {"findmax", (PyCFunction)audioop_findmax, METH_VARARGS, audioop_findmax__doc__},
 
 static PyObject *
-audioop_findmax_impl(PyModuleDef *module, Py_buffer *fragment, Py_ssize_t length);
+audioop_findmax_impl(PyModuleDef *module, Py_buffer *fragment,
+                     Py_ssize_t length);
 
 static PyObject *
 audioop_findmax(PyModuleDef *module, PyObject *args)
@@ -382,7 +386,8 @@ PyDoc_STRVAR(audioop_mul__doc__,
     {"mul", (PyCFunction)audioop_mul, METH_VARARGS, audioop_mul__doc__},
 
 static PyObject *
-audioop_mul_impl(PyModuleDef *module, Py_buffer *fragment, int width, double factor);
+audioop_mul_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                 double factor);
 
 static PyObject *
 audioop_mul(PyModuleDef *module, PyObject *args)
@@ -416,7 +421,8 @@ PyDoc_STRVAR(audioop_tomono__doc__,
     {"tomono", (PyCFunction)audioop_tomono, METH_VARARGS, audioop_tomono__doc__},
 
 static PyObject *
-audioop_tomono_impl(PyModuleDef *module, Py_buffer *fragment, int width, double lfactor, double rfactor);
+audioop_tomono_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                    double lfactor, double rfactor);
 
 static PyObject *
 audioop_tomono(PyModuleDef *module, PyObject *args)
@@ -451,7 +457,8 @@ PyDoc_STRVAR(audioop_tostereo__doc__,
     {"tostereo", (PyCFunction)audioop_tostereo, METH_VARARGS, audioop_tostereo__doc__},
 
 static PyObject *
-audioop_tostereo_impl(PyModuleDef *module, Py_buffer *fragment, int width, double lfactor, double rfactor);
+audioop_tostereo_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                      double lfactor, double rfactor);
 
 static PyObject *
 audioop_tostereo(PyModuleDef *module, PyObject *args)
@@ -486,7 +493,8 @@ PyDoc_STRVAR(audioop_add__doc__,
     {"add", (PyCFunction)audioop_add, METH_VARARGS, audioop_add__doc__},
 
 static PyObject *
-audioop_add_impl(PyModuleDef *module, Py_buffer *fragment1, Py_buffer *fragment2, int width);
+audioop_add_impl(PyModuleDef *module, Py_buffer *fragment1,
+                 Py_buffer *fragment2, int width);
 
 static PyObject *
 audioop_add(PyModuleDef *module, PyObject *args)
@@ -523,7 +531,8 @@ PyDoc_STRVAR(audioop_bias__doc__,
     {"bias", (PyCFunction)audioop_bias, METH_VARARGS, audioop_bias__doc__},
 
 static PyObject *
-audioop_bias_impl(PyModuleDef *module, Py_buffer *fragment, int width, int bias);
+audioop_bias_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                  int bias);
 
 static PyObject *
 audioop_bias(PyModuleDef *module, PyObject *args)
@@ -623,7 +632,8 @@ PyDoc_STRVAR(audioop_lin2lin__doc__,
     {"lin2lin", (PyCFunction)audioop_lin2lin, METH_VARARGS, audioop_lin2lin__doc__},
 
 static PyObject *
-audioop_lin2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width, int newwidth);
+audioop_lin2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                     int newwidth);
 
 static PyObject *
 audioop_lin2lin(PyModuleDef *module, PyObject *args)
@@ -658,7 +668,9 @@ PyDoc_STRVAR(audioop_ratecv__doc__,
     {"ratecv", (PyCFunction)audioop_ratecv, METH_VARARGS, audioop_ratecv__doc__},
 
 static PyObject *
-audioop_ratecv_impl(PyModuleDef *module, Py_buffer *fragment, int width, int nchannels, int inrate, int outrate, PyObject *state, int weightA, int weightB);
+audioop_ratecv_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                    int nchannels, int inrate, int outrate, PyObject *state,
+                    int weightA, int weightB);
 
 static PyObject *
 audioop_ratecv(PyModuleDef *module, PyObject *args)
@@ -829,7 +841,8 @@ PyDoc_STRVAR(audioop_lin2adpcm__doc__,
     {"lin2adpcm", (PyCFunction)audioop_lin2adpcm, METH_VARARGS, audioop_lin2adpcm__doc__},
 
 static PyObject *
-audioop_lin2adpcm_impl(PyModuleDef *module, Py_buffer *fragment, int width, PyObject *state);
+audioop_lin2adpcm_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                       PyObject *state);
 
 static PyObject *
 audioop_lin2adpcm(PyModuleDef *module, PyObject *args)
@@ -863,7 +876,8 @@ PyDoc_STRVAR(audioop_adpcm2lin__doc__,
     {"adpcm2lin", (PyCFunction)audioop_adpcm2lin, METH_VARARGS, audioop_adpcm2lin__doc__},
 
 static PyObject *
-audioop_adpcm2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width, PyObject *state);
+audioop_adpcm2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width,
+                       PyObject *state);
 
 static PyObject *
 audioop_adpcm2lin(PyModuleDef *module, PyObject *args)
@@ -886,4 +900,4 @@ exit:
 
     return return_value;
 }
-/*[clinic end generated code: output=be840bba5d40c2ce input=a9049054013a1b77]*/
+/*[clinic end generated code: output=9b01aafef50425ae input=a9049054013a1b77]*/
diff --git a/Modules/clinic/binascii.c.h b/Modules/clinic/binascii.c.h
index ef646dd..25d39d2 100644
--- a/Modules/clinic/binascii.c.h
+++ b/Modules/clinic/binascii.c.h
@@ -9,18 +9,18 @@ PyDoc_STRVAR(binascii_a2b_uu__doc__,
 "Decode a line of uuencoded data.");
 
 #define BINASCII_A2B_UU_METHODDEF    \
-    {"a2b_uu", (PyCFunction)binascii_a2b_uu, METH_VARARGS, binascii_a2b_uu__doc__},
+    {"a2b_uu", (PyCFunction)binascii_a2b_uu, METH_O, binascii_a2b_uu__doc__},
 
 static PyObject *
 binascii_a2b_uu_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_a2b_uu(PyModuleDef *module, PyObject *args)
+binascii_a2b_uu(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "O&:a2b_uu",
         ascii_buffer_converter, &data))
         goto exit;
@@ -41,18 +41,18 @@ PyDoc_STRVAR(binascii_b2a_uu__doc__,
 "Uuencode line of data.");
 
 #define BINASCII_B2A_UU_METHODDEF    \
-    {"b2a_uu", (PyCFunction)binascii_b2a_uu, METH_VARARGS, binascii_b2a_uu__doc__},
+    {"b2a_uu", (PyCFunction)binascii_b2a_uu, METH_O, binascii_b2a_uu__doc__},
 
 static PyObject *
 binascii_b2a_uu_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_b2a_uu(PyModuleDef *module, PyObject *args)
+binascii_b2a_uu(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:b2a_uu",
         &data))
         goto exit;
@@ -73,18 +73,18 @@ PyDoc_STRVAR(binascii_a2b_base64__doc__,
 "Decode a line of base64 data.");
 
 #define BINASCII_A2B_BASE64_METHODDEF    \
-    {"a2b_base64", (PyCFunction)binascii_a2b_base64, METH_VARARGS, binascii_a2b_base64__doc__},
+    {"a2b_base64", (PyCFunction)binascii_a2b_base64, METH_O, binascii_a2b_base64__doc__},
 
 static PyObject *
 binascii_a2b_base64_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_a2b_base64(PyModuleDef *module, PyObject *args)
+binascii_a2b_base64(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "O&:a2b_base64",
         ascii_buffer_converter, &data))
         goto exit;
@@ -105,18 +105,18 @@ PyDoc_STRVAR(binascii_b2a_base64__doc__,
 "Base64-code line of data.");
 
 #define BINASCII_B2A_BASE64_METHODDEF    \
-    {"b2a_base64", (PyCFunction)binascii_b2a_base64, METH_VARARGS, binascii_b2a_base64__doc__},
+    {"b2a_base64", (PyCFunction)binascii_b2a_base64, METH_O, binascii_b2a_base64__doc__},
 
 static PyObject *
 binascii_b2a_base64_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_b2a_base64(PyModuleDef *module, PyObject *args)
+binascii_b2a_base64(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:b2a_base64",
         &data))
         goto exit;
@@ -137,18 +137,18 @@ PyDoc_STRVAR(binascii_a2b_hqx__doc__,
 "Decode .hqx coding.");
 
 #define BINASCII_A2B_HQX_METHODDEF    \
-    {"a2b_hqx", (PyCFunction)binascii_a2b_hqx, METH_VARARGS, binascii_a2b_hqx__doc__},
+    {"a2b_hqx", (PyCFunction)binascii_a2b_hqx, METH_O, binascii_a2b_hqx__doc__},
 
 static PyObject *
 binascii_a2b_hqx_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_a2b_hqx(PyModuleDef *module, PyObject *args)
+binascii_a2b_hqx(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "O&:a2b_hqx",
         ascii_buffer_converter, &data))
         goto exit;
@@ -169,18 +169,18 @@ PyDoc_STRVAR(binascii_rlecode_hqx__doc__,
 "Binhex RLE-code binary data.");
 
 #define BINASCII_RLECODE_HQX_METHODDEF    \
-    {"rlecode_hqx", (PyCFunction)binascii_rlecode_hqx, METH_VARARGS, binascii_rlecode_hqx__doc__},
+    {"rlecode_hqx", (PyCFunction)binascii_rlecode_hqx, METH_O, binascii_rlecode_hqx__doc__},
 
 static PyObject *
 binascii_rlecode_hqx_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_rlecode_hqx(PyModuleDef *module, PyObject *args)
+binascii_rlecode_hqx(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:rlecode_hqx",
         &data))
         goto exit;
@@ -201,18 +201,18 @@ PyDoc_STRVAR(binascii_b2a_hqx__doc__,
 "Encode .hqx data.");
 
 #define BINASCII_B2A_HQX_METHODDEF    \
-    {"b2a_hqx", (PyCFunction)binascii_b2a_hqx, METH_VARARGS, binascii_b2a_hqx__doc__},
+    {"b2a_hqx", (PyCFunction)binascii_b2a_hqx, METH_O, binascii_b2a_hqx__doc__},
 
 static PyObject *
 binascii_b2a_hqx_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_b2a_hqx(PyModuleDef *module, PyObject *args)
+binascii_b2a_hqx(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:b2a_hqx",
         &data))
         goto exit;
@@ -233,18 +233,18 @@ PyDoc_STRVAR(binascii_rledecode_hqx__doc__,
 "Decode hexbin RLE-coded string.");
 
 #define BINASCII_RLEDECODE_HQX_METHODDEF    \
-    {"rledecode_hqx", (PyCFunction)binascii_rledecode_hqx, METH_VARARGS, binascii_rledecode_hqx__doc__},
+    {"rledecode_hqx", (PyCFunction)binascii_rledecode_hqx, METH_O, binascii_rledecode_hqx__doc__},
 
 static PyObject *
 binascii_rledecode_hqx_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_rledecode_hqx(PyModuleDef *module, PyObject *args)
+binascii_rledecode_hqx(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:rledecode_hqx",
         &data))
         goto exit;
@@ -283,7 +283,7 @@ binascii_crc_hqx(PyModuleDef *module, PyObject *args)
         &data, &crc))
         goto exit;
     _return_value = binascii_crc_hqx_impl(module, &data, crc);
-    if ((_return_value == -1) && PyErr_Occurred())
+    if ((_return_value == (unsigned int)-1) && PyErr_Occurred())
         goto exit;
     return_value = PyLong_FromUnsignedLong((unsigned long)_return_value);
 
@@ -320,7 +320,7 @@ binascii_crc32(PyModuleDef *module, PyObject *args)
         &data, &crc))
         goto exit;
     _return_value = binascii_crc32_impl(module, &data, crc);
-    if ((_return_value == -1) && PyErr_Occurred())
+    if ((_return_value == (unsigned int)-1) && PyErr_Occurred())
         goto exit;
     return_value = PyLong_FromUnsignedLong((unsigned long)_return_value);
 
@@ -342,18 +342,18 @@ PyDoc_STRVAR(binascii_b2a_hex__doc__,
 "available as \"hexlify()\".");
 
 #define BINASCII_B2A_HEX_METHODDEF    \
-    {"b2a_hex", (PyCFunction)binascii_b2a_hex, METH_VARARGS, binascii_b2a_hex__doc__},
+    {"b2a_hex", (PyCFunction)binascii_b2a_hex, METH_O, binascii_b2a_hex__doc__},
 
 static PyObject *
 binascii_b2a_hex_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_b2a_hex(PyModuleDef *module, PyObject *args)
+binascii_b2a_hex(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:b2a_hex",
         &data))
         goto exit;
@@ -376,18 +376,18 @@ PyDoc_STRVAR(binascii_hexlify__doc__,
 "The return value is a bytes object.");
 
 #define BINASCII_HEXLIFY_METHODDEF    \
-    {"hexlify", (PyCFunction)binascii_hexlify, METH_VARARGS, binascii_hexlify__doc__},
+    {"hexlify", (PyCFunction)binascii_hexlify, METH_O, binascii_hexlify__doc__},
 
 static PyObject *
 binascii_hexlify_impl(PyModuleDef *module, Py_buffer *data);
 
 static PyObject *
-binascii_hexlify(PyModuleDef *module, PyObject *args)
+binascii_hexlify(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:hexlify",
         &data))
         goto exit;
@@ -411,18 +411,18 @@ PyDoc_STRVAR(binascii_a2b_hex__doc__,
 "This function is also available as \"unhexlify()\".");
 
 #define BINASCII_A2B_HEX_METHODDEF    \
-    {"a2b_hex", (PyCFunction)binascii_a2b_hex, METH_VARARGS, binascii_a2b_hex__doc__},
+    {"a2b_hex", (PyCFunction)binascii_a2b_hex, METH_O, binascii_a2b_hex__doc__},
 
 static PyObject *
 binascii_a2b_hex_impl(PyModuleDef *module, Py_buffer *hexstr);
 
 static PyObject *
-binascii_a2b_hex(PyModuleDef *module, PyObject *args)
+binascii_a2b_hex(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer hexstr = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "O&:a2b_hex",
         ascii_buffer_converter, &hexstr))
         goto exit;
@@ -445,18 +445,18 @@ PyDoc_STRVAR(binascii_unhexlify__doc__,
 "hexstr must contain an even number of hex digits (upper or lower case).");
 
 #define BINASCII_UNHEXLIFY_METHODDEF    \
-    {"unhexlify", (PyCFunction)binascii_unhexlify, METH_VARARGS, binascii_unhexlify__doc__},
+    {"unhexlify", (PyCFunction)binascii_unhexlify, METH_O, binascii_unhexlify__doc__},
 
 static PyObject *
 binascii_unhexlify_impl(PyModuleDef *module, Py_buffer *hexstr);
 
 static PyObject *
-binascii_unhexlify(PyModuleDef *module, PyObject *args)
+binascii_unhexlify(PyModuleDef *module, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer hexstr = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "O&:unhexlify",
         ascii_buffer_converter, &hexstr))
         goto exit;
@@ -518,7 +518,8 @@ PyDoc_STRVAR(binascii_b2a_qp__doc__,
     {"b2a_qp", (PyCFunction)binascii_b2a_qp, METH_VARARGS|METH_KEYWORDS, binascii_b2a_qp__doc__},
 
 static PyObject *
-binascii_b2a_qp_impl(PyModuleDef *module, Py_buffer *data, int quotetabs, int istext, int header);
+binascii_b2a_qp_impl(PyModuleDef *module, Py_buffer *data, int quotetabs,
+                     int istext, int header);
 
 static PyObject *
 binascii_b2a_qp(PyModuleDef *module, PyObject *args, PyObject *kwargs)
@@ -543,4 +544,4 @@ exit:
 
     return return_value;
 }
-/*[clinic end generated code: output=22761b36f4f9e5bb input=a9049054013a1b77]*/
+/*[clinic end generated code: output=5f8d3578618b3432 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/cmathmodule.c.h b/Modules/clinic/cmathmodule.c.h
new file mode 100644
index 0000000..4655dbf
--- /dev/null
+++ b/Modules/clinic/cmathmodule.c.h
@@ -0,0 +1,851 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(cmath_acos__doc__,
+"acos($module, z, /)\n"
+"--\n"
+"\n"
+"Return the arc cosine of z.");
+
+#define CMATH_ACOS_METHODDEF    \
+    {"acos", (PyCFunction)cmath_acos, METH_O, cmath_acos__doc__},
+
+static Py_complex
+cmath_acos_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_acos(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:acos",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_acos_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_acosh__doc__,
+"acosh($module, z, /)\n"
+"--\n"
+"\n"
+"Return the inverse hyperbolic cosine of z.");
+
+#define CMATH_ACOSH_METHODDEF    \
+    {"acosh", (PyCFunction)cmath_acosh, METH_O, cmath_acosh__doc__},
+
+static Py_complex
+cmath_acosh_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_acosh(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:acosh",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_acosh_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_asin__doc__,
+"asin($module, z, /)\n"
+"--\n"
+"\n"
+"Return the arc sine of z.");
+
+#define CMATH_ASIN_METHODDEF    \
+    {"asin", (PyCFunction)cmath_asin, METH_O, cmath_asin__doc__},
+
+static Py_complex
+cmath_asin_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_asin(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:asin",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_asin_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_asinh__doc__,
+"asinh($module, z, /)\n"
+"--\n"
+"\n"
+"Return the inverse hyperbolic sine of z.");
+
+#define CMATH_ASINH_METHODDEF    \
+    {"asinh", (PyCFunction)cmath_asinh, METH_O, cmath_asinh__doc__},
+
+static Py_complex
+cmath_asinh_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_asinh(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:asinh",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_asinh_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_atan__doc__,
+"atan($module, z, /)\n"
+"--\n"
+"\n"
+"Return the arc tangent of z.");
+
+#define CMATH_ATAN_METHODDEF    \
+    {"atan", (PyCFunction)cmath_atan, METH_O, cmath_atan__doc__},
+
+static Py_complex
+cmath_atan_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_atan(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:atan",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_atan_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_atanh__doc__,
+"atanh($module, z, /)\n"
+"--\n"
+"\n"
+"Return the inverse hyperbolic tangent of z.");
+
+#define CMATH_ATANH_METHODDEF    \
+    {"atanh", (PyCFunction)cmath_atanh, METH_O, cmath_atanh__doc__},
+
+static Py_complex
+cmath_atanh_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_atanh(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:atanh",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_atanh_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_cos__doc__,
+"cos($module, z, /)\n"
+"--\n"
+"\n"
+"Return the cosine of z.");
+
+#define CMATH_COS_METHODDEF    \
+    {"cos", (PyCFunction)cmath_cos, METH_O, cmath_cos__doc__},
+
+static Py_complex
+cmath_cos_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_cos(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:cos",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_cos_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_cosh__doc__,
+"cosh($module, z, /)\n"
+"--\n"
+"\n"
+"Return the hyperbolic cosine of z.");
+
+#define CMATH_COSH_METHODDEF    \
+    {"cosh", (PyCFunction)cmath_cosh, METH_O, cmath_cosh__doc__},
+
+static Py_complex
+cmath_cosh_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_cosh(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:cosh",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_cosh_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_exp__doc__,
+"exp($module, z, /)\n"
+"--\n"
+"\n"
+"Return the exponential value e**z.");
+
+#define CMATH_EXP_METHODDEF    \
+    {"exp", (PyCFunction)cmath_exp, METH_O, cmath_exp__doc__},
+
+static Py_complex
+cmath_exp_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_exp(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:exp",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_exp_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_log10__doc__,
+"log10($module, z, /)\n"
+"--\n"
+"\n"
+"Return the base-10 logarithm of z.");
+
+#define CMATH_LOG10_METHODDEF    \
+    {"log10", (PyCFunction)cmath_log10, METH_O, cmath_log10__doc__},
+
+static Py_complex
+cmath_log10_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_log10(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:log10",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_log10_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_sin__doc__,
+"sin($module, z, /)\n"
+"--\n"
+"\n"
+"Return the sine of z.");
+
+#define CMATH_SIN_METHODDEF    \
+    {"sin", (PyCFunction)cmath_sin, METH_O, cmath_sin__doc__},
+
+static Py_complex
+cmath_sin_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_sin(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:sin",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_sin_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_sinh__doc__,
+"sinh($module, z, /)\n"
+"--\n"
+"\n"
+"Return the hyperbolic sine of z.");
+
+#define CMATH_SINH_METHODDEF    \
+    {"sinh", (PyCFunction)cmath_sinh, METH_O, cmath_sinh__doc__},
+
+static Py_complex
+cmath_sinh_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_sinh(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:sinh",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_sinh_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_sqrt__doc__,
+"sqrt($module, z, /)\n"
+"--\n"
+"\n"
+"Return the square root of z.");
+
+#define CMATH_SQRT_METHODDEF    \
+    {"sqrt", (PyCFunction)cmath_sqrt, METH_O, cmath_sqrt__doc__},
+
+static Py_complex
+cmath_sqrt_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_sqrt(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:sqrt",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_sqrt_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_tan__doc__,
+"tan($module, z, /)\n"
+"--\n"
+"\n"
+"Return the tangent of z.");
+
+#define CMATH_TAN_METHODDEF    \
+    {"tan", (PyCFunction)cmath_tan, METH_O, cmath_tan__doc__},
+
+static Py_complex
+cmath_tan_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_tan(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:tan",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_tan_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_tanh__doc__,
+"tanh($module, z, /)\n"
+"--\n"
+"\n"
+"Return the hyperbolic tangent of z.");
+
+#define CMATH_TANH_METHODDEF    \
+    {"tanh", (PyCFunction)cmath_tanh, METH_O, cmath_tanh__doc__},
+
+static Py_complex
+cmath_tanh_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_tanh(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+    Py_complex _return_value;
+
+    if (!PyArg_Parse(arg,
+        "D:tanh",
+        &z))
+        goto exit;
+    /* modifications for z */
+    errno = 0; PyFPE_START_PROTECT("complex function", goto exit);
+    _return_value = cmath_tanh_impl(module, z);
+    PyFPE_END_PROTECT(_return_value);
+    if (errno == EDOM) {
+        PyErr_SetString(PyExc_ValueError, "math domain error");
+        goto exit;
+    }
+    else if (errno == ERANGE) {
+        PyErr_SetString(PyExc_OverflowError, "math range error");
+        goto exit;
+    }
+    else {
+        return_value = PyComplex_FromCComplex(_return_value);
+    }
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_log__doc__,
+"log($module, x, y_obj=None, /)\n"
+"--\n"
+"\n"
+"The logarithm of z to the given base.\n"
+"\n"
+"If the base not specified, returns the natural logarithm (base e) of z.");
+
+#define CMATH_LOG_METHODDEF    \
+    {"log", (PyCFunction)cmath_log, METH_VARARGS, cmath_log__doc__},
+
+static PyObject *
+cmath_log_impl(PyModuleDef *module, Py_complex x, PyObject *y_obj);
+
+static PyObject *
+cmath_log(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_complex x;
+    PyObject *y_obj = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "D|O:log",
+        &x, &y_obj))
+        goto exit;
+    return_value = cmath_log_impl(module, x, y_obj);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_phase__doc__,
+"phase($module, z, /)\n"
+"--\n"
+"\n"
+"Return argument, also known as the phase angle, of a complex.");
+
+#define CMATH_PHASE_METHODDEF    \
+    {"phase", (PyCFunction)cmath_phase, METH_O, cmath_phase__doc__},
+
+static PyObject *
+cmath_phase_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_phase(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+
+    if (!PyArg_Parse(arg,
+        "D:phase",
+        &z))
+        goto exit;
+    return_value = cmath_phase_impl(module, z);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_polar__doc__,
+"polar($module, z, /)\n"
+"--\n"
+"\n"
+"Convert a complex from rectangular coordinates to polar coordinates.\n"
+"\n"
+"r is the distance from 0 and phi the phase angle.");
+
+#define CMATH_POLAR_METHODDEF    \
+    {"polar", (PyCFunction)cmath_polar, METH_O, cmath_polar__doc__},
+
+static PyObject *
+cmath_polar_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_polar(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+
+    if (!PyArg_Parse(arg,
+        "D:polar",
+        &z))
+        goto exit;
+    return_value = cmath_polar_impl(module, z);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_rect__doc__,
+"rect($module, r, phi, /)\n"
+"--\n"
+"\n"
+"Convert from polar coordinates to rectangular coordinates.");
+
+#define CMATH_RECT_METHODDEF    \
+    {"rect", (PyCFunction)cmath_rect, METH_VARARGS, cmath_rect__doc__},
+
+static PyObject *
+cmath_rect_impl(PyModuleDef *module, double r, double phi);
+
+static PyObject *
+cmath_rect(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    double r;
+    double phi;
+
+    if (!PyArg_ParseTuple(args,
+        "dd:rect",
+        &r, &phi))
+        goto exit;
+    return_value = cmath_rect_impl(module, r, phi);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_isfinite__doc__,
+"isfinite($module, z, /)\n"
+"--\n"
+"\n"
+"Return True if both the real and imaginary parts of z are finite, else False.");
+
+#define CMATH_ISFINITE_METHODDEF    \
+    {"isfinite", (PyCFunction)cmath_isfinite, METH_O, cmath_isfinite__doc__},
+
+static PyObject *
+cmath_isfinite_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_isfinite(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+
+    if (!PyArg_Parse(arg,
+        "D:isfinite",
+        &z))
+        goto exit;
+    return_value = cmath_isfinite_impl(module, z);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_isnan__doc__,
+"isnan($module, z, /)\n"
+"--\n"
+"\n"
+"Checks if the real or imaginary part of z not a number (NaN).");
+
+#define CMATH_ISNAN_METHODDEF    \
+    {"isnan", (PyCFunction)cmath_isnan, METH_O, cmath_isnan__doc__},
+
+static PyObject *
+cmath_isnan_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_isnan(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+
+    if (!PyArg_Parse(arg,
+        "D:isnan",
+        &z))
+        goto exit;
+    return_value = cmath_isnan_impl(module, z);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(cmath_isinf__doc__,
+"isinf($module, z, /)\n"
+"--\n"
+"\n"
+"Checks if the real or imaginary part of z is infinite.");
+
+#define CMATH_ISINF_METHODDEF    \
+    {"isinf", (PyCFunction)cmath_isinf, METH_O, cmath_isinf__doc__},
+
+static PyObject *
+cmath_isinf_impl(PyModuleDef *module, Py_complex z);
+
+static PyObject *
+cmath_isinf(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex z;
+
+    if (!PyArg_Parse(arg,
+        "D:isinf",
+        &z))
+        goto exit;
+    return_value = cmath_isinf_impl(module, z);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=9143b8dcc8069024 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/fcntlmodule.c.h b/Modules/clinic/fcntlmodule.c.h
new file mode 100644
index 0000000..2a1f8aa
--- /dev/null
+++ b/Modules/clinic/fcntlmodule.c.h
@@ -0,0 +1,189 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(fcntl_fcntl__doc__,
+"fcntl($module, fd, cmd, arg=0, /)\n"
+"--\n"
+"\n"
+"Perform the operation `cmd` on file descriptor fd.\n"
+"\n"
+"The values used for `cmd` are operating system dependent, and are available\n"
+"as constants in the fcntl module, using the same names as used in\n"
+"the relevant C header files.  The argument arg is optional, and\n"
+"defaults to 0; it may be an int or a string.  If arg is given as a string,\n"
+"the return value of fcntl is a string of that length, containing the\n"
+"resulting value put in the arg buffer by the operating system.  The length\n"
+"of the arg string is not allowed to exceed 1024 bytes.  If the arg given\n"
+"is an integer or if none is specified, the result value is an integer\n"
+"corresponding to the return value of the fcntl call in the C code.");
+
+#define FCNTL_FCNTL_METHODDEF    \
+    {"fcntl", (PyCFunction)fcntl_fcntl, METH_VARARGS, fcntl_fcntl__doc__},
+
+static PyObject *
+fcntl_fcntl_impl(PyModuleDef *module, int fd, int code, PyObject *arg);
+
+static PyObject *
+fcntl_fcntl(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int code;
+    PyObject *arg = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "O&i|O:fcntl",
+        conv_descriptor, &fd, &code, &arg))
+        goto exit;
+    return_value = fcntl_fcntl_impl(module, fd, code, arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(fcntl_ioctl__doc__,
+"ioctl($module, fd, request, arg=0, mutate_flag=True, /)\n"
+"--\n"
+"\n"
+"Perform the operation `request` on file descriptor `fd`.\n"
+"\n"
+"The values used for `request` are operating system dependent, and are available\n"
+"as constants in the fcntl or termios library modules, using the same names as\n"
+"used in the relevant C header files.\n"
+"\n"
+"The argument `arg` is optional, and defaults to 0; it may be an int or a\n"
+"buffer containing character data (most likely a string or an array).\n"
+"\n"
+"If the argument is a mutable buffer (such as an array) and if the\n"
+"mutate_flag argument (which is only allowed in this case) is true then the\n"
+"buffer is (in effect) passed to the operating system and changes made by\n"
+"the OS will be reflected in the contents of the buffer after the call has\n"
+"returned.  The return value is the integer returned by the ioctl system\n"
+"call.\n"
+"\n"
+"If the argument is a mutable buffer and the mutable_flag argument is false,\n"
+"the behavior is as if a string had been passed.\n"
+"\n"
+"If the argument is an immutable buffer (most likely a string) then a copy\n"
+"of the buffer is passed to the operating system and the return value is a\n"
+"string of the same length containing whatever the operating system put in\n"
+"the buffer.  The length of the arg buffer in this case is not allowed to\n"
+"exceed 1024 bytes.\n"
+"\n"
+"If the arg given is an integer or if none is specified, the result value is\n"
+"an integer corresponding to the return value of the ioctl call in the C\n"
+"code.");
+
+#define FCNTL_IOCTL_METHODDEF    \
+    {"ioctl", (PyCFunction)fcntl_ioctl, METH_VARARGS, fcntl_ioctl__doc__},
+
+static PyObject *
+fcntl_ioctl_impl(PyModuleDef *module, int fd, unsigned int code,
+                 PyObject *ob_arg, int mutate_arg);
+
+static PyObject *
+fcntl_ioctl(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    unsigned int code;
+    PyObject *ob_arg = NULL;
+    int mutate_arg = 1;
+
+    if (!PyArg_ParseTuple(args,
+        "O&I|Op:ioctl",
+        conv_descriptor, &fd, &code, &ob_arg, &mutate_arg))
+        goto exit;
+    return_value = fcntl_ioctl_impl(module, fd, code, ob_arg, mutate_arg);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(fcntl_flock__doc__,
+"flock($module, fd, operation, /)\n"
+"--\n"
+"\n"
+"Perform the lock operation `operation` on file descriptor `fd`.\n"
+"\n"
+"See the Unix manual page for flock(2) for details (On some systems, this\n"
+"function is emulated using fcntl()).");
+
+#define FCNTL_FLOCK_METHODDEF    \
+    {"flock", (PyCFunction)fcntl_flock, METH_VARARGS, fcntl_flock__doc__},
+
+static PyObject *
+fcntl_flock_impl(PyModuleDef *module, int fd, int code);
+
+static PyObject *
+fcntl_flock(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int code;
+
+    if (!PyArg_ParseTuple(args,
+        "O&i:flock",
+        conv_descriptor, &fd, &code))
+        goto exit;
+    return_value = fcntl_flock_impl(module, fd, code);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(fcntl_lockf__doc__,
+"lockf($module, fd, cmd, len=0, start=0, whence=0, /)\n"
+"--\n"
+"\n"
+"A wrapper around the fcntl() locking calls.\n"
+"\n"
+"`fd` is the file descriptor of the file to lock or unlock, and operation is one\n"
+"of the following values:\n"
+"\n"
+"    LOCK_UN - unlock\n"
+"    LOCK_SH - acquire a shared lock\n"
+"    LOCK_EX - acquire an exclusive lock\n"
+"\n"
+"When operation is LOCK_SH or LOCK_EX, it can also be bitwise ORed with\n"
+"LOCK_NB to avoid blocking on lock acquisition.  If LOCK_NB is used and the\n"
+"lock cannot be acquired, an IOError will be raised and the exception will\n"
+"have an errno attribute set to EACCES or EAGAIN (depending on the operating\n"
+"system -- for portability, check for either value).\n"
+"\n"
+"`len` is the number of bytes to lock, with the default meaning to lock to\n"
+"EOF.  `start` is the byte offset, relative to `whence`, to that the lock\n"
+"starts.  `whence` is as with fileobj.seek(), specifically:\n"
+"\n"
+"    0 - relative to the start of the file (SEEK_SET)\n"
+"    1 - relative to the current buffer position (SEEK_CUR)\n"
+"    2 - relative to the end of the file (SEEK_END)");
+
+#define FCNTL_LOCKF_METHODDEF    \
+    {"lockf", (PyCFunction)fcntl_lockf, METH_VARARGS, fcntl_lockf__doc__},
+
+static PyObject *
+fcntl_lockf_impl(PyModuleDef *module, int fd, int code, PyObject *lenobj,
+                 PyObject *startobj, int whence);
+
+static PyObject *
+fcntl_lockf(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int code;
+    PyObject *lenobj = NULL;
+    PyObject *startobj = NULL;
+    int whence = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "O&i|OOi:lockf",
+        conv_descriptor, &fd, &code, &lenobj, &startobj, &whence))
+        goto exit;
+    return_value = fcntl_lockf_impl(module, fd, code, lenobj, startobj, whence);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=badaa968eb04410d input=a9049054013a1b77]*/
diff --git a/Modules/clinic/grpmodule.c.h b/Modules/clinic/grpmodule.c.h
new file mode 100644
index 0000000..6818309
--- /dev/null
+++ b/Modules/clinic/grpmodule.c.h
@@ -0,0 +1,87 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(grp_getgrgid__doc__,
+"getgrgid($module, /, id)\n"
+"--\n"
+"\n"
+"Return the group database entry for the given numeric group ID.\n"
+"\n"
+"If id is not valid, raise KeyError.");
+
+#define GRP_GETGRGID_METHODDEF    \
+    {"getgrgid", (PyCFunction)grp_getgrgid, METH_VARARGS|METH_KEYWORDS, grp_getgrgid__doc__},
+
+static PyObject *
+grp_getgrgid_impl(PyModuleDef *module, PyObject *id);
+
+static PyObject *
+grp_getgrgid(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"id", NULL};
+    PyObject *id;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O:getgrgid", _keywords,
+        &id))
+        goto exit;
+    return_value = grp_getgrgid_impl(module, id);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(grp_getgrnam__doc__,
+"getgrnam($module, /, name)\n"
+"--\n"
+"\n"
+"Return the group database entry for the given group name.\n"
+"\n"
+"If name is not valid, raise KeyError.");
+
+#define GRP_GETGRNAM_METHODDEF    \
+    {"getgrnam", (PyCFunction)grp_getgrnam, METH_VARARGS|METH_KEYWORDS, grp_getgrnam__doc__},
+
+static PyObject *
+grp_getgrnam_impl(PyModuleDef *module, PyObject *name);
+
+static PyObject *
+grp_getgrnam(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"name", NULL};
+    PyObject *name;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "U:getgrnam", _keywords,
+        &name))
+        goto exit;
+    return_value = grp_getgrnam_impl(module, name);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(grp_getgrall__doc__,
+"getgrall($module, /)\n"
+"--\n"
+"\n"
+"Return a list of all available group entries, in arbitrary order.\n"
+"\n"
+"An entry whose name starts with \'+\' or \'-\' represents an instruction\n"
+"to use YP/NIS and may not be accessible via getgrnam or getgrgid.");
+
+#define GRP_GETGRALL_METHODDEF    \
+    {"getgrall", (PyCFunction)grp_getgrall, METH_NOARGS, grp_getgrall__doc__},
+
+static PyObject *
+grp_getgrall_impl(PyModuleDef *module);
+
+static PyObject *
+grp_getgrall(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return grp_getgrall_impl(module);
+}
+/*[clinic end generated code: output=4709a6ba40bb8df9 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/md5module.c.h b/Modules/clinic/md5module.c.h
new file mode 100644
index 0000000..665c831
--- /dev/null
+++ b/Modules/clinic/md5module.c.h
@@ -0,0 +1,96 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(MD5Type_copy__doc__,
+"copy($self, /)\n"
+"--\n"
+"\n"
+"Return a copy of the hash object.");
+
+#define MD5TYPE_COPY_METHODDEF    \
+    {"copy", (PyCFunction)MD5Type_copy, METH_NOARGS, MD5Type_copy__doc__},
+
+static PyObject *
+MD5Type_copy_impl(MD5object *self);
+
+static PyObject *
+MD5Type_copy(MD5object *self, PyObject *Py_UNUSED(ignored))
+{
+    return MD5Type_copy_impl(self);
+}
+
+PyDoc_STRVAR(MD5Type_digest__doc__,
+"digest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of binary data.");
+
+#define MD5TYPE_DIGEST_METHODDEF    \
+    {"digest", (PyCFunction)MD5Type_digest, METH_NOARGS, MD5Type_digest__doc__},
+
+static PyObject *
+MD5Type_digest_impl(MD5object *self);
+
+static PyObject *
+MD5Type_digest(MD5object *self, PyObject *Py_UNUSED(ignored))
+{
+    return MD5Type_digest_impl(self);
+}
+
+PyDoc_STRVAR(MD5Type_hexdigest__doc__,
+"hexdigest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of hexadecimal digits.");
+
+#define MD5TYPE_HEXDIGEST_METHODDEF    \
+    {"hexdigest", (PyCFunction)MD5Type_hexdigest, METH_NOARGS, MD5Type_hexdigest__doc__},
+
+static PyObject *
+MD5Type_hexdigest_impl(MD5object *self);
+
+static PyObject *
+MD5Type_hexdigest(MD5object *self, PyObject *Py_UNUSED(ignored))
+{
+    return MD5Type_hexdigest_impl(self);
+}
+
+PyDoc_STRVAR(MD5Type_update__doc__,
+"update($self, obj, /)\n"
+"--\n"
+"\n"
+"Update this hash object\'s state with the provided string.");
+
+#define MD5TYPE_UPDATE_METHODDEF    \
+    {"update", (PyCFunction)MD5Type_update, METH_O, MD5Type_update__doc__},
+
+PyDoc_STRVAR(_md5_md5__doc__,
+"md5($module, /, string=b\'\')\n"
+"--\n"
+"\n"
+"Return a new MD5 hash object; optionally initialized with a string.");
+
+#define _MD5_MD5_METHODDEF    \
+    {"md5", (PyCFunction)_md5_md5, METH_VARARGS|METH_KEYWORDS, _md5_md5__doc__},
+
+static PyObject *
+_md5_md5_impl(PyModuleDef *module, PyObject *string);
+
+static PyObject *
+_md5_md5(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"string", NULL};
+    PyObject *string = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:md5", _keywords,
+        &string))
+        goto exit;
+    return_value = _md5_md5_impl(module, string);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=f72618edfd35d984 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/posixmodule.c.h b/Modules/clinic/posixmodule.c.h
new file mode 100644
index 0000000..fc79f57
--- /dev/null
+++ b/Modules/clinic/posixmodule.c.h
@@ -0,0 +1,5873 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(os_stat__doc__,
+"stat($module, /, path, *, dir_fd=None, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Perform a stat system call on the given path.\n"
+"\n"
+"  path\n"
+"    Path to be examined; can be string, bytes, or open-file-descriptor int.\n"
+"  dir_fd\n"
+"    If not None, it should be a file descriptor open to a directory,\n"
+"    and path should be a relative string; path will then be relative to\n"
+"    that directory.\n"
+"  follow_symlinks\n"
+"    If False, and the last element of the path is a symbolic link,\n"
+"    stat will examine the symbolic link itself instead of the file\n"
+"    the link points to.\n"
+"\n"
+"dir_fd and follow_symlinks may not be implemented\n"
+"  on your platform.  If they are unavailable, using them will raise a\n"
+"  NotImplementedError.\n"
+"\n"
+"It\'s an error to use dir_fd or follow_symlinks when specifying path as\n"
+"  an open file descriptor.");
+
+#define OS_STAT_METHODDEF    \
+    {"stat", (PyCFunction)os_stat, METH_VARARGS|METH_KEYWORDS, os_stat__doc__},
+
+static PyObject *
+os_stat_impl(PyModuleDef *module, path_t *path, int dir_fd,
+             int follow_symlinks);
+
+static PyObject *
+os_stat(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "dir_fd", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("stat", "path", 0, 1);
+    int dir_fd = DEFAULT_DIR_FD;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|$O&p:stat", _keywords,
+        path_converter, &path, FSTATAT_DIR_FD_CONVERTER, &dir_fd, &follow_symlinks))
+        goto exit;
+    return_value = os_stat_impl(module, &path, dir_fd, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_lstat__doc__,
+"lstat($module, /, path, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Perform a stat system call on the given path, without following symbolic links.\n"
+"\n"
+"Like stat(), but do not follow symbolic links.\n"
+"Equivalent to stat(path, follow_symlinks=False).");
+
+#define OS_LSTAT_METHODDEF    \
+    {"lstat", (PyCFunction)os_lstat, METH_VARARGS|METH_KEYWORDS, os_lstat__doc__},
+
+static PyObject *
+os_lstat_impl(PyModuleDef *module, path_t *path, int dir_fd);
+
+static PyObject *
+os_lstat(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("lstat", "path", 0, 0);
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|$O&:lstat", _keywords,
+        path_converter, &path, FSTATAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_lstat_impl(module, &path, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_access__doc__,
+"access($module, /, path, mode, *, dir_fd=None, effective_ids=False,\n"
+"       follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Use the real uid/gid to test for access to a path.\n"
+"\n"
+"  path\n"
+"    Path to be tested; can be string, bytes, or open-file-descriptor int.\n"
+"  mode\n"
+"    Operating-system mode bitfield.  Can be F_OK to test existence,\n"
+"    or the inclusive-OR of R_OK, W_OK, and X_OK.\n"
+"  dir_fd\n"
+"    If not None, it should be a file descriptor open to a directory,\n"
+"    and path should be relative; path will then be relative to that\n"
+"    directory.\n"
+"  effective_ids\n"
+"    If True, access will use the effective uid/gid instead of\n"
+"    the real uid/gid.\n"
+"  follow_symlinks\n"
+"    If False, and the last element of the path is a symbolic link,\n"
+"    access will examine the symbolic link itself instead of the file\n"
+"    the link points to.\n"
+"\n"
+"dir_fd, effective_ids, and follow_symlinks may not be implemented\n"
+"  on your platform.  If they are unavailable, using them will raise a\n"
+"  NotImplementedError.\n"
+"\n"
+"Note that most operations will use the effective uid/gid, therefore this\n"
+"  routine can be used in a suid/sgid environment to test if the invoking user\n"
+"  has the specified access to the path.");
+
+#define OS_ACCESS_METHODDEF    \
+    {"access", (PyCFunction)os_access, METH_VARARGS|METH_KEYWORDS, os_access__doc__},
+
+static int
+os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd,
+               int effective_ids, int follow_symlinks);
+
+static PyObject *
+os_access(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "mode", "dir_fd", "effective_ids", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("access", "path", 0, 1);
+    int mode;
+    int dir_fd = DEFAULT_DIR_FD;
+    int effective_ids = 0;
+    int follow_symlinks = 1;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&i|$O&pp:access", _keywords,
+        path_converter, &path, &mode, FACCESSAT_DIR_FD_CONVERTER, &dir_fd, &effective_ids, &follow_symlinks))
+        goto exit;
+    _return_value = os_access_impl(module, &path, mode, dir_fd, effective_ids, follow_symlinks);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(HAVE_TTYNAME)
+
+PyDoc_STRVAR(os_ttyname__doc__,
+"ttyname($module, fd, /)\n"
+"--\n"
+"\n"
+"Return the name of the terminal device connected to \'fd\'.\n"
+"\n"
+"  fd\n"
+"    Integer file descriptor handle.");
+
+#define OS_TTYNAME_METHODDEF    \
+    {"ttyname", (PyCFunction)os_ttyname, METH_O, os_ttyname__doc__},
+
+static char *
+os_ttyname_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_ttyname(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    char *_return_value;
+
+    if (!PyArg_Parse(arg,
+        "i:ttyname",
+        &fd))
+        goto exit;
+    _return_value = os_ttyname_impl(module, fd);
+    if (_return_value == NULL)
+        goto exit;
+    return_value = PyUnicode_DecodeFSDefault(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_TTYNAME) */
+
+#if defined(HAVE_CTERMID)
+
+PyDoc_STRVAR(os_ctermid__doc__,
+"ctermid($module, /)\n"
+"--\n"
+"\n"
+"Return the name of the controlling terminal for this process.");
+
+#define OS_CTERMID_METHODDEF    \
+    {"ctermid", (PyCFunction)os_ctermid, METH_NOARGS, os_ctermid__doc__},
+
+static PyObject *
+os_ctermid_impl(PyModuleDef *module);
+
+static PyObject *
+os_ctermid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_ctermid_impl(module);
+}
+
+#endif /* defined(HAVE_CTERMID) */
+
+PyDoc_STRVAR(os_chdir__doc__,
+"chdir($module, /, path)\n"
+"--\n"
+"\n"
+"Change the current working directory to the specified path.\n"
+"\n"
+"path may always be specified as a string.\n"
+"On some platforms, path may also be specified as an open file descriptor.\n"
+"  If this functionality is unavailable, using it raises an exception.");
+
+#define OS_CHDIR_METHODDEF    \
+    {"chdir", (PyCFunction)os_chdir, METH_VARARGS|METH_KEYWORDS, os_chdir__doc__},
+
+static PyObject *
+os_chdir_impl(PyModuleDef *module, path_t *path);
+
+static PyObject *
+os_chdir(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", NULL};
+    path_t path = PATH_T_INITIALIZE("chdir", "path", 0, PATH_HAVE_FCHDIR);
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:chdir", _keywords,
+        path_converter, &path))
+        goto exit;
+    return_value = os_chdir_impl(module, &path);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(HAVE_FCHDIR)
+
+PyDoc_STRVAR(os_fchdir__doc__,
+"fchdir($module, /, fd)\n"
+"--\n"
+"\n"
+"Change to the directory of the given file descriptor.\n"
+"\n"
+"fd must be opened on a directory, not a file.\n"
+"Equivalent to os.chdir(fd).");
+
+#define OS_FCHDIR_METHODDEF    \
+    {"fchdir", (PyCFunction)os_fchdir, METH_VARARGS|METH_KEYWORDS, os_fchdir__doc__},
+
+static PyObject *
+os_fchdir_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_fchdir(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", NULL};
+    int fd;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:fchdir", _keywords,
+        fildes_converter, &fd))
+        goto exit;
+    return_value = os_fchdir_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FCHDIR) */
+
+PyDoc_STRVAR(os_chmod__doc__,
+"chmod($module, /, path, mode, *, dir_fd=None, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Change the access permissions of a file.\n"
+"\n"
+"  path\n"
+"    Path to be modified.  May always be specified as a str or bytes.\n"
+"    On some platforms, path may also be specified as an open file descriptor.\n"
+"    If this functionality is unavailable, using it raises an exception.\n"
+"  mode\n"
+"    Operating-system mode bitfield.\n"
+"  dir_fd\n"
+"    If not None, it should be a file descriptor open to a directory,\n"
+"    and path should be relative; path will then be relative to that\n"
+"    directory.\n"
+"  follow_symlinks\n"
+"    If False, and the last element of the path is a symbolic link,\n"
+"    chmod will modify the symbolic link itself instead of the file\n"
+"    the link points to.\n"
+"\n"
+"It is an error to use dir_fd or follow_symlinks when specifying path as\n"
+"  an open file descriptor.\n"
+"dir_fd and follow_symlinks may not be implemented on your platform.\n"
+"  If they are unavailable, using them will raise a NotImplementedError.");
+
+#define OS_CHMOD_METHODDEF    \
+    {"chmod", (PyCFunction)os_chmod, METH_VARARGS|METH_KEYWORDS, os_chmod__doc__},
+
+static PyObject *
+os_chmod_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd,
+              int follow_symlinks);
+
+static PyObject *
+os_chmod(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "mode", "dir_fd", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("chmod", "path", 0, PATH_HAVE_FCHMOD);
+    int mode;
+    int dir_fd = DEFAULT_DIR_FD;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&i|$O&p:chmod", _keywords,
+        path_converter, &path, &mode, FCHMODAT_DIR_FD_CONVERTER, &dir_fd, &follow_symlinks))
+        goto exit;
+    return_value = os_chmod_impl(module, &path, mode, dir_fd, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(HAVE_FCHMOD)
+
+PyDoc_STRVAR(os_fchmod__doc__,
+"fchmod($module, /, fd, mode)\n"
+"--\n"
+"\n"
+"Change the access permissions of the file given by file descriptor fd.\n"
+"\n"
+"Equivalent to os.chmod(fd, mode).");
+
+#define OS_FCHMOD_METHODDEF    \
+    {"fchmod", (PyCFunction)os_fchmod, METH_VARARGS|METH_KEYWORDS, os_fchmod__doc__},
+
+static PyObject *
+os_fchmod_impl(PyModuleDef *module, int fd, int mode);
+
+static PyObject *
+os_fchmod(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", "mode", NULL};
+    int fd;
+    int mode;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "ii:fchmod", _keywords,
+        &fd, &mode))
+        goto exit;
+    return_value = os_fchmod_impl(module, fd, mode);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FCHMOD) */
+
+#if defined(HAVE_LCHMOD)
+
+PyDoc_STRVAR(os_lchmod__doc__,
+"lchmod($module, /, path, mode)\n"
+"--\n"
+"\n"
+"Change the access permissions of a file, without following symbolic links.\n"
+"\n"
+"If path is a symlink, this affects the link itself rather than the target.\n"
+"Equivalent to chmod(path, mode, follow_symlinks=False).\"");
+
+#define OS_LCHMOD_METHODDEF    \
+    {"lchmod", (PyCFunction)os_lchmod, METH_VARARGS|METH_KEYWORDS, os_lchmod__doc__},
+
+static PyObject *
+os_lchmod_impl(PyModuleDef *module, path_t *path, int mode);
+
+static PyObject *
+os_lchmod(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "mode", NULL};
+    path_t path = PATH_T_INITIALIZE("lchmod", "path", 0, 0);
+    int mode;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&i:lchmod", _keywords,
+        path_converter, &path, &mode))
+        goto exit;
+    return_value = os_lchmod_impl(module, &path, mode);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_LCHMOD) */
+
+#if defined(HAVE_CHFLAGS)
+
+PyDoc_STRVAR(os_chflags__doc__,
+"chflags($module, /, path, flags, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Set file flags.\n"
+"\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, chflags will change flags on the symbolic link itself instead of the\n"
+"  file the link points to.\n"
+"follow_symlinks may not be implemented on your platform.  If it is\n"
+"unavailable, using it will raise a NotImplementedError.");
+
+#define OS_CHFLAGS_METHODDEF    \
+    {"chflags", (PyCFunction)os_chflags, METH_VARARGS|METH_KEYWORDS, os_chflags__doc__},
+
+static PyObject *
+os_chflags_impl(PyModuleDef *module, path_t *path, unsigned long flags,
+                int follow_symlinks);
+
+static PyObject *
+os_chflags(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "flags", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("chflags", "path", 0, 0);
+    unsigned long flags;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&k|p:chflags", _keywords,
+        path_converter, &path, &flags, &follow_symlinks))
+        goto exit;
+    return_value = os_chflags_impl(module, &path, flags, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_CHFLAGS) */
+
+#if defined(HAVE_LCHFLAGS)
+
+PyDoc_STRVAR(os_lchflags__doc__,
+"lchflags($module, /, path, flags)\n"
+"--\n"
+"\n"
+"Set file flags.\n"
+"\n"
+"This function will not follow symbolic links.\n"
+"Equivalent to chflags(path, flags, follow_symlinks=False).");
+
+#define OS_LCHFLAGS_METHODDEF    \
+    {"lchflags", (PyCFunction)os_lchflags, METH_VARARGS|METH_KEYWORDS, os_lchflags__doc__},
+
+static PyObject *
+os_lchflags_impl(PyModuleDef *module, path_t *path, unsigned long flags);
+
+static PyObject *
+os_lchflags(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "flags", NULL};
+    path_t path = PATH_T_INITIALIZE("lchflags", "path", 0, 0);
+    unsigned long flags;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&k:lchflags", _keywords,
+        path_converter, &path, &flags))
+        goto exit;
+    return_value = os_lchflags_impl(module, &path, flags);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_LCHFLAGS) */
+
+#if defined(HAVE_CHROOT)
+
+PyDoc_STRVAR(os_chroot__doc__,
+"chroot($module, /, path)\n"
+"--\n"
+"\n"
+"Change root directory to path.");
+
+#define OS_CHROOT_METHODDEF    \
+    {"chroot", (PyCFunction)os_chroot, METH_VARARGS|METH_KEYWORDS, os_chroot__doc__},
+
+static PyObject *
+os_chroot_impl(PyModuleDef *module, path_t *path);
+
+static PyObject *
+os_chroot(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", NULL};
+    path_t path = PATH_T_INITIALIZE("chroot", "path", 0, 0);
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:chroot", _keywords,
+        path_converter, &path))
+        goto exit;
+    return_value = os_chroot_impl(module, &path);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_CHROOT) */
+
+#if defined(HAVE_FSYNC)
+
+PyDoc_STRVAR(os_fsync__doc__,
+"fsync($module, /, fd)\n"
+"--\n"
+"\n"
+"Force write of fd to disk.");
+
+#define OS_FSYNC_METHODDEF    \
+    {"fsync", (PyCFunction)os_fsync, METH_VARARGS|METH_KEYWORDS, os_fsync__doc__},
+
+static PyObject *
+os_fsync_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_fsync(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", NULL};
+    int fd;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:fsync", _keywords,
+        fildes_converter, &fd))
+        goto exit;
+    return_value = os_fsync_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FSYNC) */
+
+#if defined(HAVE_SYNC)
+
+PyDoc_STRVAR(os_sync__doc__,
+"sync($module, /)\n"
+"--\n"
+"\n"
+"Force write of everything to disk.");
+
+#define OS_SYNC_METHODDEF    \
+    {"sync", (PyCFunction)os_sync, METH_NOARGS, os_sync__doc__},
+
+static PyObject *
+os_sync_impl(PyModuleDef *module);
+
+static PyObject *
+os_sync(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_sync_impl(module);
+}
+
+#endif /* defined(HAVE_SYNC) */
+
+#if defined(HAVE_FDATASYNC)
+
+PyDoc_STRVAR(os_fdatasync__doc__,
+"fdatasync($module, /, fd)\n"
+"--\n"
+"\n"
+"Force write of fd to disk without forcing update of metadata.");
+
+#define OS_FDATASYNC_METHODDEF    \
+    {"fdatasync", (PyCFunction)os_fdatasync, METH_VARARGS|METH_KEYWORDS, os_fdatasync__doc__},
+
+static PyObject *
+os_fdatasync_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_fdatasync(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", NULL};
+    int fd;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:fdatasync", _keywords,
+        fildes_converter, &fd))
+        goto exit;
+    return_value = os_fdatasync_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FDATASYNC) */
+
+#if defined(HAVE_CHOWN)
+
+PyDoc_STRVAR(os_chown__doc__,
+"chown($module, /, path, uid, gid, *, dir_fd=None, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Change the owner and group id of path to the numeric uid and gid.\\\n"
+"\n"
+"  path\n"
+"    Path to be examined; can be string, bytes, or open-file-descriptor int.\n"
+"  dir_fd\n"
+"    If not None, it should be a file descriptor open to a directory,\n"
+"    and path should be relative; path will then be relative to that\n"
+"    directory.\n"
+"  follow_symlinks\n"
+"    If False, and the last element of the path is a symbolic link,\n"
+"    stat will examine the symbolic link itself instead of the file\n"
+"    the link points to.\n"
+"\n"
+"path may always be specified as a string.\n"
+"On some platforms, path may also be specified as an open file descriptor.\n"
+"  If this functionality is unavailable, using it raises an exception.\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, chown will modify the symbolic link itself instead of the file the\n"
+"  link points to.\n"
+"It is an error to use dir_fd or follow_symlinks when specifying path as\n"
+"  an open file descriptor.\n"
+"dir_fd and follow_symlinks may not be implemented on your platform.\n"
+"  If they are unavailable, using them will raise a NotImplementedError.");
+
+#define OS_CHOWN_METHODDEF    \
+    {"chown", (PyCFunction)os_chown, METH_VARARGS|METH_KEYWORDS, os_chown__doc__},
+
+static PyObject *
+os_chown_impl(PyModuleDef *module, path_t *path, uid_t uid, gid_t gid,
+              int dir_fd, int follow_symlinks);
+
+static PyObject *
+os_chown(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "uid", "gid", "dir_fd", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("chown", "path", 0, PATH_HAVE_FCHOWN);
+    uid_t uid;
+    gid_t gid;
+    int dir_fd = DEFAULT_DIR_FD;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&O&|$O&p:chown", _keywords,
+        path_converter, &path, _Py_Uid_Converter, &uid, _Py_Gid_Converter, &gid, FCHOWNAT_DIR_FD_CONVERTER, &dir_fd, &follow_symlinks))
+        goto exit;
+    return_value = os_chown_impl(module, &path, uid, gid, dir_fd, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_CHOWN) */
+
+#if defined(HAVE_FCHOWN)
+
+PyDoc_STRVAR(os_fchown__doc__,
+"fchown($module, /, fd, uid, gid)\n"
+"--\n"
+"\n"
+"Change the owner and group id of the file specified by file descriptor.\n"
+"\n"
+"Equivalent to os.chown(fd, uid, gid).");
+
+#define OS_FCHOWN_METHODDEF    \
+    {"fchown", (PyCFunction)os_fchown, METH_VARARGS|METH_KEYWORDS, os_fchown__doc__},
+
+static PyObject *
+os_fchown_impl(PyModuleDef *module, int fd, uid_t uid, gid_t gid);
+
+static PyObject *
+os_fchown(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", "uid", "gid", NULL};
+    int fd;
+    uid_t uid;
+    gid_t gid;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "iO&O&:fchown", _keywords,
+        &fd, _Py_Uid_Converter, &uid, _Py_Gid_Converter, &gid))
+        goto exit;
+    return_value = os_fchown_impl(module, fd, uid, gid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FCHOWN) */
+
+#if defined(HAVE_LCHOWN)
+
+PyDoc_STRVAR(os_lchown__doc__,
+"lchown($module, /, path, uid, gid)\n"
+"--\n"
+"\n"
+"Change the owner and group id of path to the numeric uid and gid.\n"
+"\n"
+"This function will not follow symbolic links.\n"
+"Equivalent to os.chown(path, uid, gid, follow_symlinks=False).");
+
+#define OS_LCHOWN_METHODDEF    \
+    {"lchown", (PyCFunction)os_lchown, METH_VARARGS|METH_KEYWORDS, os_lchown__doc__},
+
+static PyObject *
+os_lchown_impl(PyModuleDef *module, path_t *path, uid_t uid, gid_t gid);
+
+static PyObject *
+os_lchown(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "uid", "gid", NULL};
+    path_t path = PATH_T_INITIALIZE("lchown", "path", 0, 0);
+    uid_t uid;
+    gid_t gid;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&O&:lchown", _keywords,
+        path_converter, &path, _Py_Uid_Converter, &uid, _Py_Gid_Converter, &gid))
+        goto exit;
+    return_value = os_lchown_impl(module, &path, uid, gid);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_LCHOWN) */
+
+PyDoc_STRVAR(os_getcwd__doc__,
+"getcwd($module, /)\n"
+"--\n"
+"\n"
+"Return a unicode string representing the current working directory.");
+
+#define OS_GETCWD_METHODDEF    \
+    {"getcwd", (PyCFunction)os_getcwd, METH_NOARGS, os_getcwd__doc__},
+
+static PyObject *
+os_getcwd_impl(PyModuleDef *module);
+
+static PyObject *
+os_getcwd(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getcwd_impl(module);
+}
+
+PyDoc_STRVAR(os_getcwdb__doc__,
+"getcwdb($module, /)\n"
+"--\n"
+"\n"
+"Return a bytes string representing the current working directory.");
+
+#define OS_GETCWDB_METHODDEF    \
+    {"getcwdb", (PyCFunction)os_getcwdb, METH_NOARGS, os_getcwdb__doc__},
+
+static PyObject *
+os_getcwdb_impl(PyModuleDef *module);
+
+static PyObject *
+os_getcwdb(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getcwdb_impl(module);
+}
+
+#if defined(HAVE_LINK)
+
+PyDoc_STRVAR(os_link__doc__,
+"link($module, /, src, dst, *, src_dir_fd=None, dst_dir_fd=None,\n"
+"     follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Create a hard link to a file.\n"
+"\n"
+"If either src_dir_fd or dst_dir_fd is not None, it should be a file\n"
+"  descriptor open to a directory, and the respective path string (src or dst)\n"
+"  should be relative; the path will then be relative to that directory.\n"
+"If follow_symlinks is False, and the last element of src is a symbolic\n"
+"  link, link will create a link to the symbolic link itself instead of the\n"
+"  file the link points to.\n"
+"src_dir_fd, dst_dir_fd, and follow_symlinks may not be implemented on your\n"
+"  platform.  If they are unavailable, using them will raise a\n"
+"  NotImplementedError.");
+
+#define OS_LINK_METHODDEF    \
+    {"link", (PyCFunction)os_link, METH_VARARGS|METH_KEYWORDS, os_link__doc__},
+
+static PyObject *
+os_link_impl(PyModuleDef *module, path_t *src, path_t *dst, int src_dir_fd,
+             int dst_dir_fd, int follow_symlinks);
+
+static PyObject *
+os_link(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"src", "dst", "src_dir_fd", "dst_dir_fd", "follow_symlinks", NULL};
+    path_t src = PATH_T_INITIALIZE("link", "src", 0, 0);
+    path_t dst = PATH_T_INITIALIZE("link", "dst", 0, 0);
+    int src_dir_fd = DEFAULT_DIR_FD;
+    int dst_dir_fd = DEFAULT_DIR_FD;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&|$O&O&p:link", _keywords,
+        path_converter, &src, path_converter, &dst, dir_fd_converter, &src_dir_fd, dir_fd_converter, &dst_dir_fd, &follow_symlinks))
+        goto exit;
+    return_value = os_link_impl(module, &src, &dst, src_dir_fd, dst_dir_fd, follow_symlinks);
+
+exit:
+    /* Cleanup for src */
+    path_cleanup(&src);
+    /* Cleanup for dst */
+    path_cleanup(&dst);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_LINK) */
+
+PyDoc_STRVAR(os_listdir__doc__,
+"listdir($module, /, path=None)\n"
+"--\n"
+"\n"
+"Return a list containing the names of the files in the directory.\n"
+"\n"
+"path can be specified as either str or bytes.  If path is bytes,\n"
+"  the filenames returned will also be bytes; in all other circumstances\n"
+"  the filenames returned will be str.\n"
+"If path is None, uses the path=\'.\'.\n"
+"On some platforms, path may also be specified as an open file descriptor;\\\n"
+"  the file descriptor must refer to a directory.\n"
+"  If this functionality is unavailable, using it raises NotImplementedError.\n"
+"\n"
+"The list is in arbitrary order.  It does not include the special\n"
+"entries \'.\' and \'..\' even if they are present in the directory.");
+
+#define OS_LISTDIR_METHODDEF    \
+    {"listdir", (PyCFunction)os_listdir, METH_VARARGS|METH_KEYWORDS, os_listdir__doc__},
+
+static PyObject *
+os_listdir_impl(PyModuleDef *module, path_t *path);
+
+static PyObject *
+os_listdir(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", NULL};
+    path_t path = PATH_T_INITIALIZE("listdir", "path", 1, PATH_HAVE_FDOPENDIR);
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O&:listdir", _keywords,
+        path_converter, &path))
+        goto exit;
+    return_value = os_listdir_impl(module, &path);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os__getfinalpathname__doc__,
+"_getfinalpathname($module, path, /)\n"
+"--\n"
+"\n"
+"A helper function for samepath on windows.");
+
+#define OS__GETFINALPATHNAME_METHODDEF    \
+    {"_getfinalpathname", (PyCFunction)os__getfinalpathname, METH_O, os__getfinalpathname__doc__},
+
+static PyObject *
+os__getfinalpathname_impl(PyModuleDef *module, PyObject *path);
+
+static PyObject *
+os__getfinalpathname(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyObject *path;
+
+    if (!PyArg_Parse(arg,
+        "U:_getfinalpathname",
+        &path))
+        goto exit;
+    return_value = os__getfinalpathname_impl(module, path);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(MS_WINDOWS) */
+
+#if defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os__getvolumepathname__doc__,
+"_getvolumepathname($module, /, path)\n"
+"--\n"
+"\n"
+"A helper function for ismount on Win32.");
+
+#define OS__GETVOLUMEPATHNAME_METHODDEF    \
+    {"_getvolumepathname", (PyCFunction)os__getvolumepathname, METH_VARARGS|METH_KEYWORDS, os__getvolumepathname__doc__},
+
+static PyObject *
+os__getvolumepathname_impl(PyModuleDef *module, PyObject *path);
+
+static PyObject *
+os__getvolumepathname(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", NULL};
+    PyObject *path;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "U:_getvolumepathname", _keywords,
+        &path))
+        goto exit;
+    return_value = os__getvolumepathname_impl(module, path);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(MS_WINDOWS) */
+
+PyDoc_STRVAR(os_mkdir__doc__,
+"mkdir($module, /, path, mode=511, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Create a directory.\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.\n"
+"\n"
+"The mode argument is ignored on Windows.");
+
+#define OS_MKDIR_METHODDEF    \
+    {"mkdir", (PyCFunction)os_mkdir, METH_VARARGS|METH_KEYWORDS, os_mkdir__doc__},
+
+static PyObject *
+os_mkdir_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd);
+
+static PyObject *
+os_mkdir(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "mode", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("mkdir", "path", 0, 0);
+    int mode = 511;
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|i$O&:mkdir", _keywords,
+        path_converter, &path, &mode, MKDIRAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_mkdir_impl(module, &path, mode, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(HAVE_NICE)
+
+PyDoc_STRVAR(os_nice__doc__,
+"nice($module, increment, /)\n"
+"--\n"
+"\n"
+"Add increment to the priority of process and return the new priority.");
+
+#define OS_NICE_METHODDEF    \
+    {"nice", (PyCFunction)os_nice, METH_O, os_nice__doc__},
+
+static PyObject *
+os_nice_impl(PyModuleDef *module, int increment);
+
+static PyObject *
+os_nice(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int increment;
+
+    if (!PyArg_Parse(arg,
+        "i:nice",
+        &increment))
+        goto exit;
+    return_value = os_nice_impl(module, increment);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_NICE) */
+
+#if defined(HAVE_GETPRIORITY)
+
+PyDoc_STRVAR(os_getpriority__doc__,
+"getpriority($module, /, which, who)\n"
+"--\n"
+"\n"
+"Return program scheduling priority.");
+
+#define OS_GETPRIORITY_METHODDEF    \
+    {"getpriority", (PyCFunction)os_getpriority, METH_VARARGS|METH_KEYWORDS, os_getpriority__doc__},
+
+static PyObject *
+os_getpriority_impl(PyModuleDef *module, int which, int who);
+
+static PyObject *
+os_getpriority(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"which", "who", NULL};
+    int which;
+    int who;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "ii:getpriority", _keywords,
+        &which, &who))
+        goto exit;
+    return_value = os_getpriority_impl(module, which, who);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_GETPRIORITY) */
+
+#if defined(HAVE_SETPRIORITY)
+
+PyDoc_STRVAR(os_setpriority__doc__,
+"setpriority($module, /, which, who, priority)\n"
+"--\n"
+"\n"
+"Set program scheduling priority.");
+
+#define OS_SETPRIORITY_METHODDEF    \
+    {"setpriority", (PyCFunction)os_setpriority, METH_VARARGS|METH_KEYWORDS, os_setpriority__doc__},
+
+static PyObject *
+os_setpriority_impl(PyModuleDef *module, int which, int who, int priority);
+
+static PyObject *
+os_setpriority(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"which", "who", "priority", NULL};
+    int which;
+    int who;
+    int priority;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "iii:setpriority", _keywords,
+        &which, &who, &priority))
+        goto exit;
+    return_value = os_setpriority_impl(module, which, who, priority);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETPRIORITY) */
+
+PyDoc_STRVAR(os_rename__doc__,
+"rename($module, /, src, dst, *, src_dir_fd=None, dst_dir_fd=None)\n"
+"--\n"
+"\n"
+"Rename a file or directory.\n"
+"\n"
+"If either src_dir_fd or dst_dir_fd is not None, it should be a file\n"
+"  descriptor open to a directory, and the respective path string (src or dst)\n"
+"  should be relative; the path will then be relative to that directory.\n"
+"src_dir_fd and dst_dir_fd, may not be implemented on your platform.\n"
+"  If they are unavailable, using them will raise a NotImplementedError.");
+
+#define OS_RENAME_METHODDEF    \
+    {"rename", (PyCFunction)os_rename, METH_VARARGS|METH_KEYWORDS, os_rename__doc__},
+
+static PyObject *
+os_rename_impl(PyModuleDef *module, path_t *src, path_t *dst, int src_dir_fd,
+               int dst_dir_fd);
+
+static PyObject *
+os_rename(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"src", "dst", "src_dir_fd", "dst_dir_fd", NULL};
+    path_t src = PATH_T_INITIALIZE("rename", "src", 0, 0);
+    path_t dst = PATH_T_INITIALIZE("rename", "dst", 0, 0);
+    int src_dir_fd = DEFAULT_DIR_FD;
+    int dst_dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&|$O&O&:rename", _keywords,
+        path_converter, &src, path_converter, &dst, dir_fd_converter, &src_dir_fd, dir_fd_converter, &dst_dir_fd))
+        goto exit;
+    return_value = os_rename_impl(module, &src, &dst, src_dir_fd, dst_dir_fd);
+
+exit:
+    /* Cleanup for src */
+    path_cleanup(&src);
+    /* Cleanup for dst */
+    path_cleanup(&dst);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_replace__doc__,
+"replace($module, /, src, dst, *, src_dir_fd=None, dst_dir_fd=None)\n"
+"--\n"
+"\n"
+"Rename a file or directory, overwriting the destination.\n"
+"\n"
+"If either src_dir_fd or dst_dir_fd is not None, it should be a file\n"
+"  descriptor open to a directory, and the respective path string (src or dst)\n"
+"  should be relative; the path will then be relative to that directory.\n"
+"src_dir_fd and dst_dir_fd, may not be implemented on your platform.\n"
+"  If they are unavailable, using them will raise a NotImplementedError.\"");
+
+#define OS_REPLACE_METHODDEF    \
+    {"replace", (PyCFunction)os_replace, METH_VARARGS|METH_KEYWORDS, os_replace__doc__},
+
+static PyObject *
+os_replace_impl(PyModuleDef *module, path_t *src, path_t *dst,
+                int src_dir_fd, int dst_dir_fd);
+
+static PyObject *
+os_replace(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"src", "dst", "src_dir_fd", "dst_dir_fd", NULL};
+    path_t src = PATH_T_INITIALIZE("replace", "src", 0, 0);
+    path_t dst = PATH_T_INITIALIZE("replace", "dst", 0, 0);
+    int src_dir_fd = DEFAULT_DIR_FD;
+    int dst_dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&|$O&O&:replace", _keywords,
+        path_converter, &src, path_converter, &dst, dir_fd_converter, &src_dir_fd, dir_fd_converter, &dst_dir_fd))
+        goto exit;
+    return_value = os_replace_impl(module, &src, &dst, src_dir_fd, dst_dir_fd);
+
+exit:
+    /* Cleanup for src */
+    path_cleanup(&src);
+    /* Cleanup for dst */
+    path_cleanup(&dst);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_rmdir__doc__,
+"rmdir($module, /, path, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Remove a directory.\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_RMDIR_METHODDEF    \
+    {"rmdir", (PyCFunction)os_rmdir, METH_VARARGS|METH_KEYWORDS, os_rmdir__doc__},
+
+static PyObject *
+os_rmdir_impl(PyModuleDef *module, path_t *path, int dir_fd);
+
+static PyObject *
+os_rmdir(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("rmdir", "path", 0, 0);
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|$O&:rmdir", _keywords,
+        path_converter, &path, UNLINKAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_rmdir_impl(module, &path, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(HAVE_SYSTEM) && defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os_system__doc__,
+"system($module, /, command)\n"
+"--\n"
+"\n"
+"Execute the command in a subshell.");
+
+#define OS_SYSTEM_METHODDEF    \
+    {"system", (PyCFunction)os_system, METH_VARARGS|METH_KEYWORDS, os_system__doc__},
+
+static long
+os_system_impl(PyModuleDef *module, Py_UNICODE *command);
+
+static PyObject *
+os_system(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"command", NULL};
+    Py_UNICODE *command;
+    long _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "u:system", _keywords,
+        &command))
+        goto exit;
+    _return_value = os_system_impl(module, command);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYSTEM) && defined(MS_WINDOWS) */
+
+#if defined(HAVE_SYSTEM) && !defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os_system__doc__,
+"system($module, /, command)\n"
+"--\n"
+"\n"
+"Execute the command in a subshell.");
+
+#define OS_SYSTEM_METHODDEF    \
+    {"system", (PyCFunction)os_system, METH_VARARGS|METH_KEYWORDS, os_system__doc__},
+
+static long
+os_system_impl(PyModuleDef *module, PyObject *command);
+
+static PyObject *
+os_system(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"command", NULL};
+    PyObject *command = NULL;
+    long _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:system", _keywords,
+        PyUnicode_FSConverter, &command))
+        goto exit;
+    _return_value = os_system_impl(module, command);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong(_return_value);
+
+exit:
+    /* Cleanup for command */
+    Py_XDECREF(command);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYSTEM) && !defined(MS_WINDOWS) */
+
+PyDoc_STRVAR(os_umask__doc__,
+"umask($module, mask, /)\n"
+"--\n"
+"\n"
+"Set the current numeric umask and return the previous umask.");
+
+#define OS_UMASK_METHODDEF    \
+    {"umask", (PyCFunction)os_umask, METH_O, os_umask__doc__},
+
+static PyObject *
+os_umask_impl(PyModuleDef *module, int mask);
+
+static PyObject *
+os_umask(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int mask;
+
+    if (!PyArg_Parse(arg,
+        "i:umask",
+        &mask))
+        goto exit;
+    return_value = os_umask_impl(module, mask);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_unlink__doc__,
+"unlink($module, /, path, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Remove a file (same as remove()).\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_UNLINK_METHODDEF    \
+    {"unlink", (PyCFunction)os_unlink, METH_VARARGS|METH_KEYWORDS, os_unlink__doc__},
+
+static PyObject *
+os_unlink_impl(PyModuleDef *module, path_t *path, int dir_fd);
+
+static PyObject *
+os_unlink(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("unlink", "path", 0, 0);
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|$O&:unlink", _keywords,
+        path_converter, &path, UNLINKAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_unlink_impl(module, &path, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_remove__doc__,
+"remove($module, /, path, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Remove a file (same as unlink()).\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_REMOVE_METHODDEF    \
+    {"remove", (PyCFunction)os_remove, METH_VARARGS|METH_KEYWORDS, os_remove__doc__},
+
+static PyObject *
+os_remove_impl(PyModuleDef *module, path_t *path, int dir_fd);
+
+static PyObject *
+os_remove(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("remove", "path", 0, 0);
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|$O&:remove", _keywords,
+        path_converter, &path, UNLINKAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_remove_impl(module, &path, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#if defined(HAVE_UNAME)
+
+PyDoc_STRVAR(os_uname__doc__,
+"uname($module, /)\n"
+"--\n"
+"\n"
+"Return an object identifying the current operating system.\n"
+"\n"
+"The object behaves like a named tuple with the following fields:\n"
+"  (sysname, nodename, release, version, machine)");
+
+#define OS_UNAME_METHODDEF    \
+    {"uname", (PyCFunction)os_uname, METH_NOARGS, os_uname__doc__},
+
+static PyObject *
+os_uname_impl(PyModuleDef *module);
+
+static PyObject *
+os_uname(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_uname_impl(module);
+}
+
+#endif /* defined(HAVE_UNAME) */
+
+PyDoc_STRVAR(os_utime__doc__,
+"utime($module, /, path, times=None, *, ns=None, dir_fd=None,\n"
+"      follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Set the access and modified time of path.\n"
+"\n"
+"path may always be specified as a string.\n"
+"On some platforms, path may also be specified as an open file descriptor.\n"
+"  If this functionality is unavailable, using it raises an exception.\n"
+"\n"
+"If times is not None, it must be a tuple (atime, mtime);\n"
+"    atime and mtime should be expressed as float seconds since the epoch.\n"
+"If ns is not None, it must be a tuple (atime_ns, mtime_ns);\n"
+"    atime_ns and mtime_ns should be expressed as integer nanoseconds\n"
+"    since the epoch.\n"
+"If both times and ns are None, utime uses the current time.\n"
+"Specifying tuples for both times and ns is an error.\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, utime will modify the symbolic link itself instead of the file the\n"
+"  link points to.\n"
+"It is an error to use dir_fd or follow_symlinks when specifying path\n"
+"  as an open file descriptor.\n"
+"dir_fd and follow_symlinks may not be available on your platform.\n"
+"  If they are unavailable, using them will raise a NotImplementedError.");
+
+#define OS_UTIME_METHODDEF    \
+    {"utime", (PyCFunction)os_utime, METH_VARARGS|METH_KEYWORDS, os_utime__doc__},
+
+static PyObject *
+os_utime_impl(PyModuleDef *module, path_t *path, PyObject *times,
+              PyObject *ns, int dir_fd, int follow_symlinks);
+
+static PyObject *
+os_utime(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "times", "ns", "dir_fd", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("utime", "path", 0, PATH_UTIME_HAVE_FD);
+    PyObject *times = NULL;
+    PyObject *ns = NULL;
+    int dir_fd = DEFAULT_DIR_FD;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|O$OO&p:utime", _keywords,
+        path_converter, &path, &times, &ns, FUTIMENSAT_DIR_FD_CONVERTER, &dir_fd, &follow_symlinks))
+        goto exit;
+    return_value = os_utime_impl(module, &path, times, ns, dir_fd, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os__exit__doc__,
+"_exit($module, /, status)\n"
+"--\n"
+"\n"
+"Exit to the system with specified status, without normal exit processing.");
+
+#define OS__EXIT_METHODDEF    \
+    {"_exit", (PyCFunction)os__exit, METH_VARARGS|METH_KEYWORDS, os__exit__doc__},
+
+static PyObject *
+os__exit_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os__exit(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:_exit", _keywords,
+        &status))
+        goto exit;
+    return_value = os__exit_impl(module, status);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_EXECV)
+
+PyDoc_STRVAR(os_execv__doc__,
+"execv($module, path, argv, /)\n"
+"--\n"
+"\n"
+"Execute an executable path with arguments, replacing current process.\n"
+"\n"
+"  path\n"
+"    Path of executable file.\n"
+"  argv\n"
+"    Tuple or list of strings.");
+
+#define OS_EXECV_METHODDEF    \
+    {"execv", (PyCFunction)os_execv, METH_VARARGS, os_execv__doc__},
+
+static PyObject *
+os_execv_impl(PyModuleDef *module, PyObject *path, PyObject *argv);
+
+static PyObject *
+os_execv(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *path = NULL;
+    PyObject *argv;
+
+    if (!PyArg_ParseTuple(args,
+        "O&O:execv",
+        PyUnicode_FSConverter, &path, &argv))
+        goto exit;
+    return_value = os_execv_impl(module, path, argv);
+
+exit:
+    /* Cleanup for path */
+    Py_XDECREF(path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_EXECV) */
+
+#if defined(HAVE_EXECV)
+
+PyDoc_STRVAR(os_execve__doc__,
+"execve($module, /, path, argv, env)\n"
+"--\n"
+"\n"
+"Execute an executable path with arguments, replacing current process.\n"
+"\n"
+"  path\n"
+"    Path of executable file.\n"
+"  argv\n"
+"    Tuple or list of strings.\n"
+"  env\n"
+"    Dictionary of strings mapping to strings.");
+
+#define OS_EXECVE_METHODDEF    \
+    {"execve", (PyCFunction)os_execve, METH_VARARGS|METH_KEYWORDS, os_execve__doc__},
+
+static PyObject *
+os_execve_impl(PyModuleDef *module, path_t *path, PyObject *argv,
+               PyObject *env);
+
+static PyObject *
+os_execve(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "argv", "env", NULL};
+    path_t path = PATH_T_INITIALIZE("execve", "path", 0, PATH_HAVE_FEXECVE);
+    PyObject *argv;
+    PyObject *env;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&OO:execve", _keywords,
+        path_converter, &path, &argv, &env))
+        goto exit;
+    return_value = os_execve_impl(module, &path, argv, env);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_EXECV) */
+
+#if defined(HAVE_SPAWNV)
+
+PyDoc_STRVAR(os_spawnv__doc__,
+"spawnv($module, mode, path, argv, /)\n"
+"--\n"
+"\n"
+"Execute the program specified by path in a new process.\n"
+"\n"
+"  mode\n"
+"    Mode of process creation.\n"
+"  path\n"
+"    Path of executable file.\n"
+"  argv\n"
+"    Tuple or list of strings.");
+
+#define OS_SPAWNV_METHODDEF    \
+    {"spawnv", (PyCFunction)os_spawnv, METH_VARARGS, os_spawnv__doc__},
+
+static PyObject *
+os_spawnv_impl(PyModuleDef *module, int mode, PyObject *path, PyObject *argv);
+
+static PyObject *
+os_spawnv(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int mode;
+    PyObject *path = NULL;
+    PyObject *argv;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&O:spawnv",
+        &mode, PyUnicode_FSConverter, &path, &argv))
+        goto exit;
+    return_value = os_spawnv_impl(module, mode, path, argv);
+
+exit:
+    /* Cleanup for path */
+    Py_XDECREF(path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_SPAWNV) */
+
+#if defined(HAVE_SPAWNV)
+
+PyDoc_STRVAR(os_spawnve__doc__,
+"spawnve($module, mode, path, argv, env, /)\n"
+"--\n"
+"\n"
+"Execute the program specified by path in a new process.\n"
+"\n"
+"  mode\n"
+"    Mode of process creation.\n"
+"  path\n"
+"    Path of executable file.\n"
+"  argv\n"
+"    Tuple or list of strings.\n"
+"  env\n"
+"    Dictionary of strings mapping to strings.");
+
+#define OS_SPAWNVE_METHODDEF    \
+    {"spawnve", (PyCFunction)os_spawnve, METH_VARARGS, os_spawnve__doc__},
+
+static PyObject *
+os_spawnve_impl(PyModuleDef *module, int mode, PyObject *path,
+                PyObject *argv, PyObject *env);
+
+static PyObject *
+os_spawnve(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int mode;
+    PyObject *path = NULL;
+    PyObject *argv;
+    PyObject *env;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&OO:spawnve",
+        &mode, PyUnicode_FSConverter, &path, &argv, &env))
+        goto exit;
+    return_value = os_spawnve_impl(module, mode, path, argv, env);
+
+exit:
+    /* Cleanup for path */
+    Py_XDECREF(path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_SPAWNV) */
+
+#if defined(HAVE_FORK1)
+
+PyDoc_STRVAR(os_fork1__doc__,
+"fork1($module, /)\n"
+"--\n"
+"\n"
+"Fork a child process with a single multiplexed (i.e., not bound) thread.\n"
+"\n"
+"Return 0 to child process and PID of child to parent process.");
+
+#define OS_FORK1_METHODDEF    \
+    {"fork1", (PyCFunction)os_fork1, METH_NOARGS, os_fork1__doc__},
+
+static PyObject *
+os_fork1_impl(PyModuleDef *module);
+
+static PyObject *
+os_fork1(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_fork1_impl(module);
+}
+
+#endif /* defined(HAVE_FORK1) */
+
+#if defined(HAVE_FORK)
+
+PyDoc_STRVAR(os_fork__doc__,
+"fork($module, /)\n"
+"--\n"
+"\n"
+"Fork a child process.\n"
+"\n"
+"Return 0 to child process and PID of child to parent process.");
+
+#define OS_FORK_METHODDEF    \
+    {"fork", (PyCFunction)os_fork, METH_NOARGS, os_fork__doc__},
+
+static PyObject *
+os_fork_impl(PyModuleDef *module);
+
+static PyObject *
+os_fork(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_fork_impl(module);
+}
+
+#endif /* defined(HAVE_FORK) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_GET_PRIORITY_MAX)
+
+PyDoc_STRVAR(os_sched_get_priority_max__doc__,
+"sched_get_priority_max($module, /, policy)\n"
+"--\n"
+"\n"
+"Get the maximum scheduling priority for policy.");
+
+#define OS_SCHED_GET_PRIORITY_MAX_METHODDEF    \
+    {"sched_get_priority_max", (PyCFunction)os_sched_get_priority_max, METH_VARARGS|METH_KEYWORDS, os_sched_get_priority_max__doc__},
+
+static PyObject *
+os_sched_get_priority_max_impl(PyModuleDef *module, int policy);
+
+static PyObject *
+os_sched_get_priority_max(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"policy", NULL};
+    int policy;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:sched_get_priority_max", _keywords,
+        &policy))
+        goto exit;
+    return_value = os_sched_get_priority_max_impl(module, policy);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_GET_PRIORITY_MAX) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_GET_PRIORITY_MAX)
+
+PyDoc_STRVAR(os_sched_get_priority_min__doc__,
+"sched_get_priority_min($module, /, policy)\n"
+"--\n"
+"\n"
+"Get the minimum scheduling priority for policy.");
+
+#define OS_SCHED_GET_PRIORITY_MIN_METHODDEF    \
+    {"sched_get_priority_min", (PyCFunction)os_sched_get_priority_min, METH_VARARGS|METH_KEYWORDS, os_sched_get_priority_min__doc__},
+
+static PyObject *
+os_sched_get_priority_min_impl(PyModuleDef *module, int policy);
+
+static PyObject *
+os_sched_get_priority_min(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"policy", NULL};
+    int policy;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:sched_get_priority_min", _keywords,
+        &policy))
+        goto exit;
+    return_value = os_sched_get_priority_min_impl(module, policy);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_GET_PRIORITY_MAX) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETSCHEDULER)
+
+PyDoc_STRVAR(os_sched_getscheduler__doc__,
+"sched_getscheduler($module, pid, /)\n"
+"--\n"
+"\n"
+"Get the scheduling policy for the process identifiedy by pid.\n"
+"\n"
+"Passing 0 for pid returns the scheduling policy for the calling process.");
+
+#define OS_SCHED_GETSCHEDULER_METHODDEF    \
+    {"sched_getscheduler", (PyCFunction)os_sched_getscheduler, METH_O, os_sched_getscheduler__doc__},
+
+static PyObject *
+os_sched_getscheduler_impl(PyModuleDef *module, pid_t pid);
+
+static PyObject *
+os_sched_getscheduler(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+
+    if (!PyArg_Parse(arg,
+        "" _Py_PARSE_PID ":sched_getscheduler",
+        &pid))
+        goto exit;
+    return_value = os_sched_getscheduler_impl(module, pid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETSCHEDULER) */
+
+#if defined(HAVE_SCHED_H) && (defined(HAVE_SCHED_SETSCHEDULER) || defined(HAVE_SCHED_SETPARAM))
+
+PyDoc_STRVAR(os_sched_param__doc__,
+"sched_param(sched_priority)\n"
+"--\n"
+"\n"
+"Current has only one field: sched_priority\");\n"
+"\n"
+"  sched_priority\n"
+"    A scheduling parameter.");
+
+static PyObject *
+os_sched_param_impl(PyTypeObject *type, PyObject *sched_priority);
+
+static PyObject *
+os_sched_param(PyTypeObject *type, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"sched_priority", NULL};
+    PyObject *sched_priority;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O:sched_param", _keywords,
+        &sched_priority))
+        goto exit;
+    return_value = os_sched_param_impl(type, sched_priority);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && (defined(HAVE_SCHED_SETSCHEDULER) || defined(HAVE_SCHED_SETPARAM)) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETSCHEDULER)
+
+PyDoc_STRVAR(os_sched_setscheduler__doc__,
+"sched_setscheduler($module, pid, policy, param, /)\n"
+"--\n"
+"\n"
+"Set the scheduling policy for the process identified by pid.\n"
+"\n"
+"If pid is 0, the calling process is changed.\n"
+"param is an instance of sched_param.");
+
+#define OS_SCHED_SETSCHEDULER_METHODDEF    \
+    {"sched_setscheduler", (PyCFunction)os_sched_setscheduler, METH_VARARGS, os_sched_setscheduler__doc__},
+
+static PyObject *
+os_sched_setscheduler_impl(PyModuleDef *module, pid_t pid, int policy,
+                           struct sched_param *param);
+
+static PyObject *
+os_sched_setscheduler(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    int policy;
+    struct sched_param param;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "iO&:sched_setscheduler",
+        &pid, &policy, convert_sched_param, &param))
+        goto exit;
+    return_value = os_sched_setscheduler_impl(module, pid, policy, &param);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETSCHEDULER) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETPARAM)
+
+PyDoc_STRVAR(os_sched_getparam__doc__,
+"sched_getparam($module, pid, /)\n"
+"--\n"
+"\n"
+"Returns scheduling parameters for the process identified by pid.\n"
+"\n"
+"If pid is 0, returns parameters for the calling process.\n"
+"Return value is an instance of sched_param.");
+
+#define OS_SCHED_GETPARAM_METHODDEF    \
+    {"sched_getparam", (PyCFunction)os_sched_getparam, METH_O, os_sched_getparam__doc__},
+
+static PyObject *
+os_sched_getparam_impl(PyModuleDef *module, pid_t pid);
+
+static PyObject *
+os_sched_getparam(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+
+    if (!PyArg_Parse(arg,
+        "" _Py_PARSE_PID ":sched_getparam",
+        &pid))
+        goto exit;
+    return_value = os_sched_getparam_impl(module, pid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETPARAM) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETPARAM)
+
+PyDoc_STRVAR(os_sched_setparam__doc__,
+"sched_setparam($module, pid, param, /)\n"
+"--\n"
+"\n"
+"Set scheduling parameters for the process identified by pid.\n"
+"\n"
+"If pid is 0, sets parameters for the calling process.\n"
+"param should be an instance of sched_param.");
+
+#define OS_SCHED_SETPARAM_METHODDEF    \
+    {"sched_setparam", (PyCFunction)os_sched_setparam, METH_VARARGS, os_sched_setparam__doc__},
+
+static PyObject *
+os_sched_setparam_impl(PyModuleDef *module, pid_t pid,
+                       struct sched_param *param);
+
+static PyObject *
+os_sched_setparam(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    struct sched_param param;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "O&:sched_setparam",
+        &pid, convert_sched_param, &param))
+        goto exit;
+    return_value = os_sched_setparam_impl(module, pid, &param);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETPARAM) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_RR_GET_INTERVAL)
+
+PyDoc_STRVAR(os_sched_rr_get_interval__doc__,
+"sched_rr_get_interval($module, pid, /)\n"
+"--\n"
+"\n"
+"Return the round-robin quantum for the process identified by pid, in seconds.\n"
+"\n"
+"Value returned is a float.");
+
+#define OS_SCHED_RR_GET_INTERVAL_METHODDEF    \
+    {"sched_rr_get_interval", (PyCFunction)os_sched_rr_get_interval, METH_O, os_sched_rr_get_interval__doc__},
+
+static double
+os_sched_rr_get_interval_impl(PyModuleDef *module, pid_t pid);
+
+static PyObject *
+os_sched_rr_get_interval(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    double _return_value;
+
+    if (!PyArg_Parse(arg,
+        "" _Py_PARSE_PID ":sched_rr_get_interval",
+        &pid))
+        goto exit;
+    _return_value = os_sched_rr_get_interval_impl(module, pid);
+    if ((_return_value == -1.0) && PyErr_Occurred())
+        goto exit;
+    return_value = PyFloat_FromDouble(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_RR_GET_INTERVAL) */
+
+#if defined(HAVE_SCHED_H)
+
+PyDoc_STRVAR(os_sched_yield__doc__,
+"sched_yield($module, /)\n"
+"--\n"
+"\n"
+"Voluntarily relinquish the CPU.");
+
+#define OS_SCHED_YIELD_METHODDEF    \
+    {"sched_yield", (PyCFunction)os_sched_yield, METH_NOARGS, os_sched_yield__doc__},
+
+static PyObject *
+os_sched_yield_impl(PyModuleDef *module);
+
+static PyObject *
+os_sched_yield(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_sched_yield_impl(module);
+}
+
+#endif /* defined(HAVE_SCHED_H) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETAFFINITY)
+
+PyDoc_STRVAR(os_sched_setaffinity__doc__,
+"sched_setaffinity($module, pid, mask, /)\n"
+"--\n"
+"\n"
+"Set the CPU affinity of the process identified by pid to mask.\n"
+"\n"
+"mask should be an iterable of integers identifying CPUs.");
+
+#define OS_SCHED_SETAFFINITY_METHODDEF    \
+    {"sched_setaffinity", (PyCFunction)os_sched_setaffinity, METH_VARARGS, os_sched_setaffinity__doc__},
+
+static PyObject *
+os_sched_setaffinity_impl(PyModuleDef *module, pid_t pid, PyObject *mask);
+
+static PyObject *
+os_sched_setaffinity(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    PyObject *mask;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "O:sched_setaffinity",
+        &pid, &mask))
+        goto exit;
+    return_value = os_sched_setaffinity_impl(module, pid, mask);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETAFFINITY) */
+
+#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETAFFINITY)
+
+PyDoc_STRVAR(os_sched_getaffinity__doc__,
+"sched_getaffinity($module, pid, /)\n"
+"--\n"
+"\n"
+"Return the affinity of the process identified by pid.\n"
+"\n"
+"The affinity is returned as a set of CPU identifiers.");
+
+#define OS_SCHED_GETAFFINITY_METHODDEF    \
+    {"sched_getaffinity", (PyCFunction)os_sched_getaffinity, METH_O, os_sched_getaffinity__doc__},
+
+static PyObject *
+os_sched_getaffinity_impl(PyModuleDef *module, pid_t pid);
+
+static PyObject *
+os_sched_getaffinity(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+
+    if (!PyArg_Parse(arg,
+        "" _Py_PARSE_PID ":sched_getaffinity",
+        &pid))
+        goto exit;
+    return_value = os_sched_getaffinity_impl(module, pid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SCHED_H) && defined(HAVE_SCHED_SETAFFINITY) */
+
+#if (defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX))
+
+PyDoc_STRVAR(os_openpty__doc__,
+"openpty($module, /)\n"
+"--\n"
+"\n"
+"Open a pseudo-terminal.\n"
+"\n"
+"Return a tuple of (master_fd, slave_fd) containing open file descriptors\n"
+"for both the master and slave ends.");
+
+#define OS_OPENPTY_METHODDEF    \
+    {"openpty", (PyCFunction)os_openpty, METH_NOARGS, os_openpty__doc__},
+
+static PyObject *
+os_openpty_impl(PyModuleDef *module);
+
+static PyObject *
+os_openpty(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_openpty_impl(module);
+}
+
+#endif /* (defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX)) */
+
+#if defined(HAVE_FORKPTY)
+
+PyDoc_STRVAR(os_forkpty__doc__,
+"forkpty($module, /)\n"
+"--\n"
+"\n"
+"Fork a new process with a new pseudo-terminal as controlling tty.\n"
+"\n"
+"Returns a tuple of (pid, master_fd).\n"
+"Like fork(), return pid of 0 to the child process,\n"
+"and pid of child to the parent process.\n"
+"To both, return fd of newly opened pseudo-terminal.");
+
+#define OS_FORKPTY_METHODDEF    \
+    {"forkpty", (PyCFunction)os_forkpty, METH_NOARGS, os_forkpty__doc__},
+
+static PyObject *
+os_forkpty_impl(PyModuleDef *module);
+
+static PyObject *
+os_forkpty(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_forkpty_impl(module);
+}
+
+#endif /* defined(HAVE_FORKPTY) */
+
+#if defined(HAVE_GETEGID)
+
+PyDoc_STRVAR(os_getegid__doc__,
+"getegid($module, /)\n"
+"--\n"
+"\n"
+"Return the current process\'s effective group id.");
+
+#define OS_GETEGID_METHODDEF    \
+    {"getegid", (PyCFunction)os_getegid, METH_NOARGS, os_getegid__doc__},
+
+static PyObject *
+os_getegid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getegid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getegid_impl(module);
+}
+
+#endif /* defined(HAVE_GETEGID) */
+
+#if defined(HAVE_GETEUID)
+
+PyDoc_STRVAR(os_geteuid__doc__,
+"geteuid($module, /)\n"
+"--\n"
+"\n"
+"Return the current process\'s effective user id.");
+
+#define OS_GETEUID_METHODDEF    \
+    {"geteuid", (PyCFunction)os_geteuid, METH_NOARGS, os_geteuid__doc__},
+
+static PyObject *
+os_geteuid_impl(PyModuleDef *module);
+
+static PyObject *
+os_geteuid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_geteuid_impl(module);
+}
+
+#endif /* defined(HAVE_GETEUID) */
+
+#if defined(HAVE_GETGID)
+
+PyDoc_STRVAR(os_getgid__doc__,
+"getgid($module, /)\n"
+"--\n"
+"\n"
+"Return the current process\'s group id.");
+
+#define OS_GETGID_METHODDEF    \
+    {"getgid", (PyCFunction)os_getgid, METH_NOARGS, os_getgid__doc__},
+
+static PyObject *
+os_getgid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getgid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getgid_impl(module);
+}
+
+#endif /* defined(HAVE_GETGID) */
+
+PyDoc_STRVAR(os_getpid__doc__,
+"getpid($module, /)\n"
+"--\n"
+"\n"
+"Return the current process id.");
+
+#define OS_GETPID_METHODDEF    \
+    {"getpid", (PyCFunction)os_getpid, METH_NOARGS, os_getpid__doc__},
+
+static PyObject *
+os_getpid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getpid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getpid_impl(module);
+}
+
+#if defined(HAVE_GETGROUPS)
+
+PyDoc_STRVAR(os_getgroups__doc__,
+"getgroups($module, /)\n"
+"--\n"
+"\n"
+"Return list of supplemental group IDs for the process.");
+
+#define OS_GETGROUPS_METHODDEF    \
+    {"getgroups", (PyCFunction)os_getgroups, METH_NOARGS, os_getgroups__doc__},
+
+static PyObject *
+os_getgroups_impl(PyModuleDef *module);
+
+static PyObject *
+os_getgroups(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getgroups_impl(module);
+}
+
+#endif /* defined(HAVE_GETGROUPS) */
+
+#if defined(HAVE_GETPGID)
+
+PyDoc_STRVAR(os_getpgid__doc__,
+"getpgid($module, /, pid)\n"
+"--\n"
+"\n"
+"Call the system call getpgid(), and return the result.");
+
+#define OS_GETPGID_METHODDEF    \
+    {"getpgid", (PyCFunction)os_getpgid, METH_VARARGS|METH_KEYWORDS, os_getpgid__doc__},
+
+static PyObject *
+os_getpgid_impl(PyModuleDef *module, pid_t pid);
+
+static PyObject *
+os_getpgid(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"pid", NULL};
+    pid_t pid;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "" _Py_PARSE_PID ":getpgid", _keywords,
+        &pid))
+        goto exit;
+    return_value = os_getpgid_impl(module, pid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_GETPGID) */
+
+#if defined(HAVE_GETPGRP)
+
+PyDoc_STRVAR(os_getpgrp__doc__,
+"getpgrp($module, /)\n"
+"--\n"
+"\n"
+"Return the current process group id.");
+
+#define OS_GETPGRP_METHODDEF    \
+    {"getpgrp", (PyCFunction)os_getpgrp, METH_NOARGS, os_getpgrp__doc__},
+
+static PyObject *
+os_getpgrp_impl(PyModuleDef *module);
+
+static PyObject *
+os_getpgrp(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getpgrp_impl(module);
+}
+
+#endif /* defined(HAVE_GETPGRP) */
+
+#if defined(HAVE_SETPGRP)
+
+PyDoc_STRVAR(os_setpgrp__doc__,
+"setpgrp($module, /)\n"
+"--\n"
+"\n"
+"Make the current process the leader of its process group.");
+
+#define OS_SETPGRP_METHODDEF    \
+    {"setpgrp", (PyCFunction)os_setpgrp, METH_NOARGS, os_setpgrp__doc__},
+
+static PyObject *
+os_setpgrp_impl(PyModuleDef *module);
+
+static PyObject *
+os_setpgrp(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_setpgrp_impl(module);
+}
+
+#endif /* defined(HAVE_SETPGRP) */
+
+#if defined(HAVE_GETPPID)
+
+PyDoc_STRVAR(os_getppid__doc__,
+"getppid($module, /)\n"
+"--\n"
+"\n"
+"Return the parent\'s process id.\n"
+"\n"
+"If the parent process has already exited, Windows machines will still\n"
+"return its id; others systems will return the id of the \'init\' process (1).");
+
+#define OS_GETPPID_METHODDEF    \
+    {"getppid", (PyCFunction)os_getppid, METH_NOARGS, os_getppid__doc__},
+
+static PyObject *
+os_getppid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getppid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getppid_impl(module);
+}
+
+#endif /* defined(HAVE_GETPPID) */
+
+#if defined(HAVE_GETLOGIN)
+
+PyDoc_STRVAR(os_getlogin__doc__,
+"getlogin($module, /)\n"
+"--\n"
+"\n"
+"Return the actual login name.");
+
+#define OS_GETLOGIN_METHODDEF    \
+    {"getlogin", (PyCFunction)os_getlogin, METH_NOARGS, os_getlogin__doc__},
+
+static PyObject *
+os_getlogin_impl(PyModuleDef *module);
+
+static PyObject *
+os_getlogin(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getlogin_impl(module);
+}
+
+#endif /* defined(HAVE_GETLOGIN) */
+
+#if defined(HAVE_GETUID)
+
+PyDoc_STRVAR(os_getuid__doc__,
+"getuid($module, /)\n"
+"--\n"
+"\n"
+"Return the current process\'s user id.");
+
+#define OS_GETUID_METHODDEF    \
+    {"getuid", (PyCFunction)os_getuid, METH_NOARGS, os_getuid__doc__},
+
+static PyObject *
+os_getuid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getuid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getuid_impl(module);
+}
+
+#endif /* defined(HAVE_GETUID) */
+
+#if defined(HAVE_KILL)
+
+PyDoc_STRVAR(os_kill__doc__,
+"kill($module, pid, signal, /)\n"
+"--\n"
+"\n"
+"Kill a process with a signal.");
+
+#define OS_KILL_METHODDEF    \
+    {"kill", (PyCFunction)os_kill, METH_VARARGS, os_kill__doc__},
+
+static PyObject *
+os_kill_impl(PyModuleDef *module, pid_t pid, Py_ssize_t signal);
+
+static PyObject *
+os_kill(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    Py_ssize_t signal;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "n:kill",
+        &pid, &signal))
+        goto exit;
+    return_value = os_kill_impl(module, pid, signal);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_KILL) */
+
+#if defined(HAVE_KILLPG)
+
+PyDoc_STRVAR(os_killpg__doc__,
+"killpg($module, pgid, signal, /)\n"
+"--\n"
+"\n"
+"Kill a process group with a signal.");
+
+#define OS_KILLPG_METHODDEF    \
+    {"killpg", (PyCFunction)os_killpg, METH_VARARGS, os_killpg__doc__},
+
+static PyObject *
+os_killpg_impl(PyModuleDef *module, pid_t pgid, int signal);
+
+static PyObject *
+os_killpg(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pgid;
+    int signal;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "i:killpg",
+        &pgid, &signal))
+        goto exit;
+    return_value = os_killpg_impl(module, pgid, signal);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_KILLPG) */
+
+#if defined(HAVE_PLOCK)
+
+PyDoc_STRVAR(os_plock__doc__,
+"plock($module, op, /)\n"
+"--\n"
+"\n"
+"Lock program segments into memory.\");");
+
+#define OS_PLOCK_METHODDEF    \
+    {"plock", (PyCFunction)os_plock, METH_O, os_plock__doc__},
+
+static PyObject *
+os_plock_impl(PyModuleDef *module, int op);
+
+static PyObject *
+os_plock(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int op;
+
+    if (!PyArg_Parse(arg,
+        "i:plock",
+        &op))
+        goto exit;
+    return_value = os_plock_impl(module, op);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_PLOCK) */
+
+#if defined(HAVE_SETUID)
+
+PyDoc_STRVAR(os_setuid__doc__,
+"setuid($module, uid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s user id.");
+
+#define OS_SETUID_METHODDEF    \
+    {"setuid", (PyCFunction)os_setuid, METH_O, os_setuid__doc__},
+
+static PyObject *
+os_setuid_impl(PyModuleDef *module, uid_t uid);
+
+static PyObject *
+os_setuid(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    uid_t uid;
+
+    if (!PyArg_Parse(arg,
+        "O&:setuid",
+        _Py_Uid_Converter, &uid))
+        goto exit;
+    return_value = os_setuid_impl(module, uid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETUID) */
+
+#if defined(HAVE_SETEUID)
+
+PyDoc_STRVAR(os_seteuid__doc__,
+"seteuid($module, euid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s effective user id.");
+
+#define OS_SETEUID_METHODDEF    \
+    {"seteuid", (PyCFunction)os_seteuid, METH_O, os_seteuid__doc__},
+
+static PyObject *
+os_seteuid_impl(PyModuleDef *module, uid_t euid);
+
+static PyObject *
+os_seteuid(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    uid_t euid;
+
+    if (!PyArg_Parse(arg,
+        "O&:seteuid",
+        _Py_Uid_Converter, &euid))
+        goto exit;
+    return_value = os_seteuid_impl(module, euid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETEUID) */
+
+#if defined(HAVE_SETEGID)
+
+PyDoc_STRVAR(os_setegid__doc__,
+"setegid($module, egid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s effective group id.");
+
+#define OS_SETEGID_METHODDEF    \
+    {"setegid", (PyCFunction)os_setegid, METH_O, os_setegid__doc__},
+
+static PyObject *
+os_setegid_impl(PyModuleDef *module, gid_t egid);
+
+static PyObject *
+os_setegid(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    gid_t egid;
+
+    if (!PyArg_Parse(arg,
+        "O&:setegid",
+        _Py_Gid_Converter, &egid))
+        goto exit;
+    return_value = os_setegid_impl(module, egid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETEGID) */
+
+#if defined(HAVE_SETREUID)
+
+PyDoc_STRVAR(os_setreuid__doc__,
+"setreuid($module, ruid, euid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s real and effective user ids.");
+
+#define OS_SETREUID_METHODDEF    \
+    {"setreuid", (PyCFunction)os_setreuid, METH_VARARGS, os_setreuid__doc__},
+
+static PyObject *
+os_setreuid_impl(PyModuleDef *module, uid_t ruid, uid_t euid);
+
+static PyObject *
+os_setreuid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    uid_t ruid;
+    uid_t euid;
+
+    if (!PyArg_ParseTuple(args,
+        "O&O&:setreuid",
+        _Py_Uid_Converter, &ruid, _Py_Uid_Converter, &euid))
+        goto exit;
+    return_value = os_setreuid_impl(module, ruid, euid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETREUID) */
+
+#if defined(HAVE_SETREGID)
+
+PyDoc_STRVAR(os_setregid__doc__,
+"setregid($module, rgid, egid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s real and effective group ids.");
+
+#define OS_SETREGID_METHODDEF    \
+    {"setregid", (PyCFunction)os_setregid, METH_VARARGS, os_setregid__doc__},
+
+static PyObject *
+os_setregid_impl(PyModuleDef *module, gid_t rgid, gid_t egid);
+
+static PyObject *
+os_setregid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    gid_t rgid;
+    gid_t egid;
+
+    if (!PyArg_ParseTuple(args,
+        "O&O&:setregid",
+        _Py_Gid_Converter, &rgid, _Py_Gid_Converter, &egid))
+        goto exit;
+    return_value = os_setregid_impl(module, rgid, egid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETREGID) */
+
+#if defined(HAVE_SETGID)
+
+PyDoc_STRVAR(os_setgid__doc__,
+"setgid($module, gid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s group id.");
+
+#define OS_SETGID_METHODDEF    \
+    {"setgid", (PyCFunction)os_setgid, METH_O, os_setgid__doc__},
+
+static PyObject *
+os_setgid_impl(PyModuleDef *module, gid_t gid);
+
+static PyObject *
+os_setgid(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    gid_t gid;
+
+    if (!PyArg_Parse(arg,
+        "O&:setgid",
+        _Py_Gid_Converter, &gid))
+        goto exit;
+    return_value = os_setgid_impl(module, gid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETGID) */
+
+#if defined(HAVE_SETGROUPS)
+
+PyDoc_STRVAR(os_setgroups__doc__,
+"setgroups($module, groups, /)\n"
+"--\n"
+"\n"
+"Set the groups of the current process to list.");
+
+#define OS_SETGROUPS_METHODDEF    \
+    {"setgroups", (PyCFunction)os_setgroups, METH_O, os_setgroups__doc__},
+
+#endif /* defined(HAVE_SETGROUPS) */
+
+#if defined(HAVE_WAIT3)
+
+PyDoc_STRVAR(os_wait3__doc__,
+"wait3($module, /, options)\n"
+"--\n"
+"\n"
+"Wait for completion of a child process.\n"
+"\n"
+"Returns a tuple of information about the child process:\n"
+"  (pid, status, rusage)");
+
+#define OS_WAIT3_METHODDEF    \
+    {"wait3", (PyCFunction)os_wait3, METH_VARARGS|METH_KEYWORDS, os_wait3__doc__},
+
+static PyObject *
+os_wait3_impl(PyModuleDef *module, int options);
+
+static PyObject *
+os_wait3(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"options", NULL};
+    int options;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:wait3", _keywords,
+        &options))
+        goto exit;
+    return_value = os_wait3_impl(module, options);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_WAIT3) */
+
+#if defined(HAVE_WAIT4)
+
+PyDoc_STRVAR(os_wait4__doc__,
+"wait4($module, /, pid, options)\n"
+"--\n"
+"\n"
+"Wait for completion of a specific child process.\n"
+"\n"
+"Returns a tuple of information about the child process:\n"
+"  (pid, status, rusage)");
+
+#define OS_WAIT4_METHODDEF    \
+    {"wait4", (PyCFunction)os_wait4, METH_VARARGS|METH_KEYWORDS, os_wait4__doc__},
+
+static PyObject *
+os_wait4_impl(PyModuleDef *module, pid_t pid, int options);
+
+static PyObject *
+os_wait4(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"pid", "options", NULL};
+    pid_t pid;
+    int options;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "" _Py_PARSE_PID "i:wait4", _keywords,
+        &pid, &options))
+        goto exit;
+    return_value = os_wait4_impl(module, pid, options);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_WAIT4) */
+
+#if (defined(HAVE_WAITID) && !defined(__APPLE__))
+
+PyDoc_STRVAR(os_waitid__doc__,
+"waitid($module, idtype, id, options, /)\n"
+"--\n"
+"\n"
+"Returns the result of waiting for a process or processes.\n"
+"\n"
+"  idtype\n"
+"    Must be one of be P_PID, P_PGID or P_ALL.\n"
+"  id\n"
+"    The id to wait on.\n"
+"  options\n"
+"    Constructed from the ORing of one or more of WEXITED, WSTOPPED\n"
+"    or WCONTINUED and additionally may be ORed with WNOHANG or WNOWAIT.\n"
+"\n"
+"Returns either waitid_result or None if WNOHANG is specified and there are\n"
+"no children in a waitable state.");
+
+#define OS_WAITID_METHODDEF    \
+    {"waitid", (PyCFunction)os_waitid, METH_VARARGS, os_waitid__doc__},
+
+static PyObject *
+os_waitid_impl(PyModuleDef *module, idtype_t idtype, id_t id, int options);
+
+static PyObject *
+os_waitid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    idtype_t idtype;
+    id_t id;
+    int options;
+
+    if (!PyArg_ParseTuple(args,
+        "i" _Py_PARSE_PID "i:waitid",
+        &idtype, &id, &options))
+        goto exit;
+    return_value = os_waitid_impl(module, idtype, id, options);
+
+exit:
+    return return_value;
+}
+
+#endif /* (defined(HAVE_WAITID) && !defined(__APPLE__)) */
+
+#if defined(HAVE_WAITPID)
+
+PyDoc_STRVAR(os_waitpid__doc__,
+"waitpid($module, pid, options, /)\n"
+"--\n"
+"\n"
+"Wait for completion of a given child process.\n"
+"\n"
+"Returns a tuple of information regarding the child process:\n"
+"    (pid, status)\n"
+"\n"
+"The options argument is ignored on Windows.");
+
+#define OS_WAITPID_METHODDEF    \
+    {"waitpid", (PyCFunction)os_waitpid, METH_VARARGS, os_waitpid__doc__},
+
+static PyObject *
+os_waitpid_impl(PyModuleDef *module, pid_t pid, int options);
+
+static PyObject *
+os_waitpid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    int options;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "i:waitpid",
+        &pid, &options))
+        goto exit;
+    return_value = os_waitpid_impl(module, pid, options);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_WAITPID) */
+
+#if defined(HAVE_CWAIT)
+
+PyDoc_STRVAR(os_waitpid__doc__,
+"waitpid($module, pid, options, /)\n"
+"--\n"
+"\n"
+"Wait for completion of a given process.\n"
+"\n"
+"Returns a tuple of information regarding the process:\n"
+"    (pid, status << 8)\n"
+"\n"
+"The options argument is ignored on Windows.");
+
+#define OS_WAITPID_METHODDEF    \
+    {"waitpid", (PyCFunction)os_waitpid, METH_VARARGS, os_waitpid__doc__},
+
+static PyObject *
+os_waitpid_impl(PyModuleDef *module, Py_intptr_t pid, int options);
+
+static PyObject *
+os_waitpid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_intptr_t pid;
+    int options;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_INTPTR "i:waitpid",
+        &pid, &options))
+        goto exit;
+    return_value = os_waitpid_impl(module, pid, options);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_CWAIT) */
+
+#if defined(HAVE_WAIT)
+
+PyDoc_STRVAR(os_wait__doc__,
+"wait($module, /)\n"
+"--\n"
+"\n"
+"Wait for completion of a child process.\n"
+"\n"
+"Returns a tuple of information about the child process:\n"
+"    (pid, status)");
+
+#define OS_WAIT_METHODDEF    \
+    {"wait", (PyCFunction)os_wait, METH_NOARGS, os_wait__doc__},
+
+static PyObject *
+os_wait_impl(PyModuleDef *module);
+
+static PyObject *
+os_wait(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_wait_impl(module);
+}
+
+#endif /* defined(HAVE_WAIT) */
+
+#if defined(HAVE_SYMLINK)
+
+PyDoc_STRVAR(os_symlink__doc__,
+"symlink($module, /, src, dst, target_is_directory=False, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Create a symbolic link pointing to src named dst.\n"
+"\n"
+"target_is_directory is required on Windows if the target is to be\n"
+"  interpreted as a directory.  (On Windows, symlink requires\n"
+"  Windows 6.0 or greater, and raises a NotImplementedError otherwise.)\n"
+"  target_is_directory is ignored on non-Windows platforms.\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_SYMLINK_METHODDEF    \
+    {"symlink", (PyCFunction)os_symlink, METH_VARARGS|METH_KEYWORDS, os_symlink__doc__},
+
+static PyObject *
+os_symlink_impl(PyModuleDef *module, path_t *src, path_t *dst,
+                int target_is_directory, int dir_fd);
+
+static PyObject *
+os_symlink(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"src", "dst", "target_is_directory", "dir_fd", NULL};
+    path_t src = PATH_T_INITIALIZE("symlink", "src", 0, 0);
+    path_t dst = PATH_T_INITIALIZE("symlink", "dst", 0, 0);
+    int target_is_directory = 0;
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&|p$O&:symlink", _keywords,
+        path_converter, &src, path_converter, &dst, &target_is_directory, SYMLINKAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_symlink_impl(module, &src, &dst, target_is_directory, dir_fd);
+
+exit:
+    /* Cleanup for src */
+    path_cleanup(&src);
+    /* Cleanup for dst */
+    path_cleanup(&dst);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYMLINK) */
+
+#if defined(HAVE_TIMES)
+
+PyDoc_STRVAR(os_times__doc__,
+"times($module, /)\n"
+"--\n"
+"\n"
+"Return a collection containing process timing information.\n"
+"\n"
+"The object returned behaves like a named tuple with these fields:\n"
+"  (utime, stime, cutime, cstime, elapsed_time)\n"
+"All fields are floating point numbers.");
+
+#define OS_TIMES_METHODDEF    \
+    {"times", (PyCFunction)os_times, METH_NOARGS, os_times__doc__},
+
+static PyObject *
+os_times_impl(PyModuleDef *module);
+
+static PyObject *
+os_times(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_times_impl(module);
+}
+
+#endif /* defined(HAVE_TIMES) */
+
+#if defined(HAVE_GETSID)
+
+PyDoc_STRVAR(os_getsid__doc__,
+"getsid($module, pid, /)\n"
+"--\n"
+"\n"
+"Call the system call getsid(pid) and return the result.");
+
+#define OS_GETSID_METHODDEF    \
+    {"getsid", (PyCFunction)os_getsid, METH_O, os_getsid__doc__},
+
+static PyObject *
+os_getsid_impl(PyModuleDef *module, pid_t pid);
+
+static PyObject *
+os_getsid(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+
+    if (!PyArg_Parse(arg,
+        "" _Py_PARSE_PID ":getsid",
+        &pid))
+        goto exit;
+    return_value = os_getsid_impl(module, pid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_GETSID) */
+
+#if defined(HAVE_SETSID)
+
+PyDoc_STRVAR(os_setsid__doc__,
+"setsid($module, /)\n"
+"--\n"
+"\n"
+"Call the system call setsid().");
+
+#define OS_SETSID_METHODDEF    \
+    {"setsid", (PyCFunction)os_setsid, METH_NOARGS, os_setsid__doc__},
+
+static PyObject *
+os_setsid_impl(PyModuleDef *module);
+
+static PyObject *
+os_setsid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_setsid_impl(module);
+}
+
+#endif /* defined(HAVE_SETSID) */
+
+#if defined(HAVE_SETPGID)
+
+PyDoc_STRVAR(os_setpgid__doc__,
+"setpgid($module, pid, pgrp, /)\n"
+"--\n"
+"\n"
+"Call the system call setpgid(pid, pgrp).");
+
+#define OS_SETPGID_METHODDEF    \
+    {"setpgid", (PyCFunction)os_setpgid, METH_VARARGS, os_setpgid__doc__},
+
+static PyObject *
+os_setpgid_impl(PyModuleDef *module, pid_t pid, pid_t pgrp);
+
+static PyObject *
+os_setpgid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    pid_t pid;
+    pid_t pgrp;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_PID "" _Py_PARSE_PID ":setpgid",
+        &pid, &pgrp))
+        goto exit;
+    return_value = os_setpgid_impl(module, pid, pgrp);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETPGID) */
+
+#if defined(HAVE_TCGETPGRP)
+
+PyDoc_STRVAR(os_tcgetpgrp__doc__,
+"tcgetpgrp($module, fd, /)\n"
+"--\n"
+"\n"
+"Return the process group associated with the terminal specified by fd.");
+
+#define OS_TCGETPGRP_METHODDEF    \
+    {"tcgetpgrp", (PyCFunction)os_tcgetpgrp, METH_O, os_tcgetpgrp__doc__},
+
+static PyObject *
+os_tcgetpgrp_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_tcgetpgrp(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int fd;
+
+    if (!PyArg_Parse(arg,
+        "i:tcgetpgrp",
+        &fd))
+        goto exit;
+    return_value = os_tcgetpgrp_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_TCGETPGRP) */
+
+#if defined(HAVE_TCSETPGRP)
+
+PyDoc_STRVAR(os_tcsetpgrp__doc__,
+"tcsetpgrp($module, fd, pgid, /)\n"
+"--\n"
+"\n"
+"Set the process group associated with the terminal specified by fd.");
+
+#define OS_TCSETPGRP_METHODDEF    \
+    {"tcsetpgrp", (PyCFunction)os_tcsetpgrp, METH_VARARGS, os_tcsetpgrp__doc__},
+
+static PyObject *
+os_tcsetpgrp_impl(PyModuleDef *module, int fd, pid_t pgid);
+
+static PyObject *
+os_tcsetpgrp(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    pid_t pgid;
+
+    if (!PyArg_ParseTuple(args,
+        "i" _Py_PARSE_PID ":tcsetpgrp",
+        &fd, &pgid))
+        goto exit;
+    return_value = os_tcsetpgrp_impl(module, fd, pgid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_TCSETPGRP) */
+
+PyDoc_STRVAR(os_open__doc__,
+"open($module, /, path, flags, mode=511, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Open a file for low level IO.  Returns a file descriptor (integer).\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_OPEN_METHODDEF    \
+    {"open", (PyCFunction)os_open, METH_VARARGS|METH_KEYWORDS, os_open__doc__},
+
+static int
+os_open_impl(PyModuleDef *module, path_t *path, int flags, int mode,
+             int dir_fd);
+
+static PyObject *
+os_open(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "flags", "mode", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("open", "path", 0, 0);
+    int flags;
+    int mode = 511;
+    int dir_fd = DEFAULT_DIR_FD;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&i|i$O&:open", _keywords,
+        path_converter, &path, &flags, &mode, OPENAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    _return_value = os_open_impl(module, &path, flags, mode, dir_fd);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_close__doc__,
+"close($module, /, fd)\n"
+"--\n"
+"\n"
+"Close a file descriptor.");
+
+#define OS_CLOSE_METHODDEF    \
+    {"close", (PyCFunction)os_close, METH_VARARGS|METH_KEYWORDS, os_close__doc__},
+
+static PyObject *
+os_close_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_close(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", NULL};
+    int fd;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:close", _keywords,
+        &fd))
+        goto exit;
+    return_value = os_close_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_closerange__doc__,
+"closerange($module, fd_low, fd_high, /)\n"
+"--\n"
+"\n"
+"Closes all file descriptors in [fd_low, fd_high), ignoring errors.");
+
+#define OS_CLOSERANGE_METHODDEF    \
+    {"closerange", (PyCFunction)os_closerange, METH_VARARGS, os_closerange__doc__},
+
+static PyObject *
+os_closerange_impl(PyModuleDef *module, int fd_low, int fd_high);
+
+static PyObject *
+os_closerange(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd_low;
+    int fd_high;
+
+    if (!PyArg_ParseTuple(args,
+        "ii:closerange",
+        &fd_low, &fd_high))
+        goto exit;
+    return_value = os_closerange_impl(module, fd_low, fd_high);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_dup__doc__,
+"dup($module, fd, /)\n"
+"--\n"
+"\n"
+"Return a duplicate of a file descriptor.");
+
+#define OS_DUP_METHODDEF    \
+    {"dup", (PyCFunction)os_dup, METH_O, os_dup__doc__},
+
+static int
+os_dup_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_dup(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "i:dup",
+        &fd))
+        goto exit;
+    _return_value = os_dup_impl(module, fd);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_dup2__doc__,
+"dup2($module, /, fd, fd2, inheritable=True)\n"
+"--\n"
+"\n"
+"Duplicate file descriptor.");
+
+#define OS_DUP2_METHODDEF    \
+    {"dup2", (PyCFunction)os_dup2, METH_VARARGS|METH_KEYWORDS, os_dup2__doc__},
+
+static PyObject *
+os_dup2_impl(PyModuleDef *module, int fd, int fd2, int inheritable);
+
+static PyObject *
+os_dup2(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", "fd2", "inheritable", NULL};
+    int fd;
+    int fd2;
+    int inheritable = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "ii|p:dup2", _keywords,
+        &fd, &fd2, &inheritable))
+        goto exit;
+    return_value = os_dup2_impl(module, fd, fd2, inheritable);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_LOCKF)
+
+PyDoc_STRVAR(os_lockf__doc__,
+"lockf($module, fd, command, length, /)\n"
+"--\n"
+"\n"
+"Apply, test or remove a POSIX lock on an open file descriptor.\n"
+"\n"
+"  fd\n"
+"    An open file descriptor.\n"
+"  command\n"
+"    One of F_LOCK, F_TLOCK, F_ULOCK or F_TEST.\n"
+"  length\n"
+"    The number of bytes to lock, starting at the current position.");
+
+#define OS_LOCKF_METHODDEF    \
+    {"lockf", (PyCFunction)os_lockf, METH_VARARGS, os_lockf__doc__},
+
+static PyObject *
+os_lockf_impl(PyModuleDef *module, int fd, int command, Py_off_t length);
+
+static PyObject *
+os_lockf(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int command;
+    Py_off_t length;
+
+    if (!PyArg_ParseTuple(args,
+        "iiO&:lockf",
+        &fd, &command, Py_off_t_converter, &length))
+        goto exit;
+    return_value = os_lockf_impl(module, fd, command, length);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_LOCKF) */
+
+PyDoc_STRVAR(os_lseek__doc__,
+"lseek($module, fd, position, how, /)\n"
+"--\n"
+"\n"
+"Set the position of a file descriptor.  Return the new position.\n"
+"\n"
+"Return the new cursor position in number of bytes\n"
+"relative to the beginning of the file.");
+
+#define OS_LSEEK_METHODDEF    \
+    {"lseek", (PyCFunction)os_lseek, METH_VARARGS, os_lseek__doc__},
+
+static Py_off_t
+os_lseek_impl(PyModuleDef *module, int fd, Py_off_t position, int how);
+
+static PyObject *
+os_lseek(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_off_t position;
+    int how;
+    Py_off_t _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&i:lseek",
+        &fd, Py_off_t_converter, &position, &how))
+        goto exit;
+    _return_value = os_lseek_impl(module, fd, position, how);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromPy_off_t(_return_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_read__doc__,
+"read($module, fd, length, /)\n"
+"--\n"
+"\n"
+"Read from a file descriptor.  Returns a bytes object.");
+
+#define OS_READ_METHODDEF    \
+    {"read", (PyCFunction)os_read, METH_VARARGS, os_read__doc__},
+
+static PyObject *
+os_read_impl(PyModuleDef *module, int fd, Py_ssize_t length);
+
+static PyObject *
+os_read(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_ssize_t length;
+
+    if (!PyArg_ParseTuple(args,
+        "in:read",
+        &fd, &length))
+        goto exit;
+    return_value = os_read_impl(module, fd, length);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_READV)
+
+PyDoc_STRVAR(os_readv__doc__,
+"readv($module, fd, buffers, /)\n"
+"--\n"
+"\n"
+"Read from a file descriptor fd into an iterable of buffers.\n"
+"\n"
+"The buffers should be mutable buffers accepting bytes.\n"
+"readv will transfer data into each buffer until it is full\n"
+"and then move on to the next buffer in the sequence to hold\n"
+"the rest of the data.\n"
+"\n"
+"readv returns the total number of bytes read,\n"
+"which may be less than the total capacity of all the buffers.");
+
+#define OS_READV_METHODDEF    \
+    {"readv", (PyCFunction)os_readv, METH_VARARGS, os_readv__doc__},
+
+static Py_ssize_t
+os_readv_impl(PyModuleDef *module, int fd, PyObject *buffers);
+
+static PyObject *
+os_readv(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    PyObject *buffers;
+    Py_ssize_t _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "iO:readv",
+        &fd, &buffers))
+        goto exit;
+    _return_value = os_readv_impl(module, fd, buffers);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromSsize_t(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_READV) */
+
+#if defined(HAVE_PREAD)
+
+PyDoc_STRVAR(os_pread__doc__,
+"pread($module, fd, length, offset, /)\n"
+"--\n"
+"\n"
+"Read a number of bytes from a file descriptor starting at a particular offset.\n"
+"\n"
+"Read length bytes from file descriptor fd, starting at offset bytes from\n"
+"the beginning of the file.  The file offset remains unchanged.");
+
+#define OS_PREAD_METHODDEF    \
+    {"pread", (PyCFunction)os_pread, METH_VARARGS, os_pread__doc__},
+
+static PyObject *
+os_pread_impl(PyModuleDef *module, int fd, int length, Py_off_t offset);
+
+static PyObject *
+os_pread(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int length;
+    Py_off_t offset;
+
+    if (!PyArg_ParseTuple(args,
+        "iiO&:pread",
+        &fd, &length, Py_off_t_converter, &offset))
+        goto exit;
+    return_value = os_pread_impl(module, fd, length, offset);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_PREAD) */
+
+PyDoc_STRVAR(os_write__doc__,
+"write($module, fd, data, /)\n"
+"--\n"
+"\n"
+"Write a bytes object to a file descriptor.");
+
+#define OS_WRITE_METHODDEF    \
+    {"write", (PyCFunction)os_write, METH_VARARGS, os_write__doc__},
+
+static Py_ssize_t
+os_write_impl(PyModuleDef *module, int fd, Py_buffer *data);
+
+static PyObject *
+os_write(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_buffer data = {NULL, NULL};
+    Py_ssize_t _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "iy*:write",
+        &fd, &data))
+        goto exit;
+    _return_value = os_write_impl(module, fd, &data);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromSsize_t(_return_value);
+
+exit:
+    /* Cleanup for data */
+    if (data.obj)
+       PyBuffer_Release(&data);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(os_fstat__doc__,
+"fstat($module, /, fd)\n"
+"--\n"
+"\n"
+"Perform a stat system call on the given file descriptor.\n"
+"\n"
+"Like stat(), but for an open file descriptor.\n"
+"Equivalent to os.stat(fd).");
+
+#define OS_FSTAT_METHODDEF    \
+    {"fstat", (PyCFunction)os_fstat, METH_VARARGS|METH_KEYWORDS, os_fstat__doc__},
+
+static PyObject *
+os_fstat_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_fstat(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", NULL};
+    int fd;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:fstat", _keywords,
+        &fd))
+        goto exit;
+    return_value = os_fstat_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_isatty__doc__,
+"isatty($module, fd, /)\n"
+"--\n"
+"\n"
+"Return True if the fd is connected to a terminal.\n"
+"\n"
+"Return True if the file descriptor is an open file descriptor\n"
+"connected to the slave end of a terminal.");
+
+#define OS_ISATTY_METHODDEF    \
+    {"isatty", (PyCFunction)os_isatty, METH_O, os_isatty__doc__},
+
+static int
+os_isatty_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_isatty(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "i:isatty",
+        &fd))
+        goto exit;
+    _return_value = os_isatty_impl(module, fd);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_PIPE)
+
+PyDoc_STRVAR(os_pipe__doc__,
+"pipe($module, /)\n"
+"--\n"
+"\n"
+"Create a pipe.\n"
+"\n"
+"Returns a tuple of two file descriptors:\n"
+"  (read_fd, write_fd)");
+
+#define OS_PIPE_METHODDEF    \
+    {"pipe", (PyCFunction)os_pipe, METH_NOARGS, os_pipe__doc__},
+
+static PyObject *
+os_pipe_impl(PyModuleDef *module);
+
+static PyObject *
+os_pipe(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_pipe_impl(module);
+}
+
+#endif /* defined(HAVE_PIPE) */
+
+#if defined(HAVE_PIPE2)
+
+PyDoc_STRVAR(os_pipe2__doc__,
+"pipe2($module, flags, /)\n"
+"--\n"
+"\n"
+"Create a pipe with flags set atomically.\n"
+"\n"
+"Returns a tuple of two file descriptors:\n"
+"  (read_fd, write_fd)\n"
+"\n"
+"flags can be constructed by ORing together one or more of these values:\n"
+"O_NONBLOCK, O_CLOEXEC.");
+
+#define OS_PIPE2_METHODDEF    \
+    {"pipe2", (PyCFunction)os_pipe2, METH_O, os_pipe2__doc__},
+
+static PyObject *
+os_pipe2_impl(PyModuleDef *module, int flags);
+
+static PyObject *
+os_pipe2(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int flags;
+
+    if (!PyArg_Parse(arg,
+        "i:pipe2",
+        &flags))
+        goto exit;
+    return_value = os_pipe2_impl(module, flags);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_PIPE2) */
+
+#if defined(HAVE_WRITEV)
+
+PyDoc_STRVAR(os_writev__doc__,
+"writev($module, fd, buffers, /)\n"
+"--\n"
+"\n"
+"Iterate over buffers, and write the contents of each to a file descriptor.\n"
+"\n"
+"Returns the total number of bytes written.\n"
+"buffers must be a sequence of bytes-like objects.");
+
+#define OS_WRITEV_METHODDEF    \
+    {"writev", (PyCFunction)os_writev, METH_VARARGS, os_writev__doc__},
+
+static Py_ssize_t
+os_writev_impl(PyModuleDef *module, int fd, PyObject *buffers);
+
+static PyObject *
+os_writev(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    PyObject *buffers;
+    Py_ssize_t _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "iO:writev",
+        &fd, &buffers))
+        goto exit;
+    _return_value = os_writev_impl(module, fd, buffers);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromSsize_t(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_WRITEV) */
+
+#if defined(HAVE_PWRITE)
+
+PyDoc_STRVAR(os_pwrite__doc__,
+"pwrite($module, fd, buffer, offset, /)\n"
+"--\n"
+"\n"
+"Write bytes to a file descriptor starting at a particular offset.\n"
+"\n"
+"Write buffer to fd, starting at offset bytes from the beginning of\n"
+"the file.  Returns the number of bytes writte.  Does not change the\n"
+"current file offset.");
+
+#define OS_PWRITE_METHODDEF    \
+    {"pwrite", (PyCFunction)os_pwrite, METH_VARARGS, os_pwrite__doc__},
+
+static Py_ssize_t
+os_pwrite_impl(PyModuleDef *module, int fd, Py_buffer *buffer,
+               Py_off_t offset);
+
+static PyObject *
+os_pwrite(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_buffer buffer = {NULL, NULL};
+    Py_off_t offset;
+    Py_ssize_t _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "iy*O&:pwrite",
+        &fd, &buffer, Py_off_t_converter, &offset))
+        goto exit;
+    _return_value = os_pwrite_impl(module, fd, &buffer, offset);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromSsize_t(_return_value);
+
+exit:
+    /* Cleanup for buffer */
+    if (buffer.obj)
+       PyBuffer_Release(&buffer);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_PWRITE) */
+
+#if defined(HAVE_MKFIFO)
+
+PyDoc_STRVAR(os_mkfifo__doc__,
+"mkfifo($module, /, path, mode=438, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Create a \"fifo\" (a POSIX named pipe).\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_MKFIFO_METHODDEF    \
+    {"mkfifo", (PyCFunction)os_mkfifo, METH_VARARGS|METH_KEYWORDS, os_mkfifo__doc__},
+
+static PyObject *
+os_mkfifo_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd);
+
+static PyObject *
+os_mkfifo(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "mode", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("mkfifo", "path", 0, 0);
+    int mode = 438;
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|i$O&:mkfifo", _keywords,
+        path_converter, &path, &mode, MKFIFOAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_mkfifo_impl(module, &path, mode, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_MKFIFO) */
+
+#if (defined(HAVE_MKNOD) && defined(HAVE_MAKEDEV))
+
+PyDoc_STRVAR(os_mknod__doc__,
+"mknod($module, /, path, mode=384, device=0, *, dir_fd=None)\n"
+"--\n"
+"\n"
+"Create a node in the file system.\n"
+"\n"
+"Create a node in the file system (file, device special file or named pipe)\n"
+"at path.  mode specifies both the permissions to use and the\n"
+"type of node to be created, being combined (bitwise OR) with one of\n"
+"S_IFREG, S_IFCHR, S_IFBLK, and S_IFIFO.  If S_IFCHR or S_IFBLK is set on mode,\n"
+"device defines the newly created device special file (probably using\n"
+"os.makedev()).  Otherwise device is ignored.\n"
+"\n"
+"If dir_fd is not None, it should be a file descriptor open to a directory,\n"
+"  and path should be relative; path will then be relative to that directory.\n"
+"dir_fd may not be implemented on your platform.\n"
+"  If it is unavailable, using it will raise a NotImplementedError.");
+
+#define OS_MKNOD_METHODDEF    \
+    {"mknod", (PyCFunction)os_mknod, METH_VARARGS|METH_KEYWORDS, os_mknod__doc__},
+
+static PyObject *
+os_mknod_impl(PyModuleDef *module, path_t *path, int mode, dev_t device,
+              int dir_fd);
+
+static PyObject *
+os_mknod(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "mode", "device", "dir_fd", NULL};
+    path_t path = PATH_T_INITIALIZE("mknod", "path", 0, 0);
+    int mode = 384;
+    dev_t device = 0;
+    int dir_fd = DEFAULT_DIR_FD;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&|iO&$O&:mknod", _keywords,
+        path_converter, &path, &mode, _Py_Dev_Converter, &device, MKNODAT_DIR_FD_CONVERTER, &dir_fd))
+        goto exit;
+    return_value = os_mknod_impl(module, &path, mode, device, dir_fd);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* (defined(HAVE_MKNOD) && defined(HAVE_MAKEDEV)) */
+
+#if defined(HAVE_DEVICE_MACROS)
+
+PyDoc_STRVAR(os_major__doc__,
+"major($module, device, /)\n"
+"--\n"
+"\n"
+"Extracts a device major number from a raw device number.");
+
+#define OS_MAJOR_METHODDEF    \
+    {"major", (PyCFunction)os_major, METH_O, os_major__doc__},
+
+static unsigned int
+os_major_impl(PyModuleDef *module, dev_t device);
+
+static PyObject *
+os_major(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    dev_t device;
+    unsigned int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "O&:major",
+        _Py_Dev_Converter, &device))
+        goto exit;
+    _return_value = os_major_impl(module, device);
+    if ((_return_value == (unsigned int)-1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromUnsignedLong((unsigned long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_DEVICE_MACROS) */
+
+#if defined(HAVE_DEVICE_MACROS)
+
+PyDoc_STRVAR(os_minor__doc__,
+"minor($module, device, /)\n"
+"--\n"
+"\n"
+"Extracts a device minor number from a raw device number.");
+
+#define OS_MINOR_METHODDEF    \
+    {"minor", (PyCFunction)os_minor, METH_O, os_minor__doc__},
+
+static unsigned int
+os_minor_impl(PyModuleDef *module, dev_t device);
+
+static PyObject *
+os_minor(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    dev_t device;
+    unsigned int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "O&:minor",
+        _Py_Dev_Converter, &device))
+        goto exit;
+    _return_value = os_minor_impl(module, device);
+    if ((_return_value == (unsigned int)-1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromUnsignedLong((unsigned long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_DEVICE_MACROS) */
+
+#if defined(HAVE_DEVICE_MACROS)
+
+PyDoc_STRVAR(os_makedev__doc__,
+"makedev($module, major, minor, /)\n"
+"--\n"
+"\n"
+"Composes a raw device number from the major and minor device numbers.");
+
+#define OS_MAKEDEV_METHODDEF    \
+    {"makedev", (PyCFunction)os_makedev, METH_VARARGS, os_makedev__doc__},
+
+static dev_t
+os_makedev_impl(PyModuleDef *module, int major, int minor);
+
+static PyObject *
+os_makedev(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int major;
+    int minor;
+    dev_t _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "ii:makedev",
+        &major, &minor))
+        goto exit;
+    _return_value = os_makedev_impl(module, major, minor);
+    if ((_return_value == (dev_t)-1) && PyErr_Occurred())
+        goto exit;
+    return_value = _PyLong_FromDev(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_DEVICE_MACROS) */
+
+#if (defined HAVE_FTRUNCATE || defined MS_WINDOWS)
+
+PyDoc_STRVAR(os_ftruncate__doc__,
+"ftruncate($module, fd, length, /)\n"
+"--\n"
+"\n"
+"Truncate a file, specified by file descriptor, to a specific length.");
+
+#define OS_FTRUNCATE_METHODDEF    \
+    {"ftruncate", (PyCFunction)os_ftruncate, METH_VARARGS, os_ftruncate__doc__},
+
+static PyObject *
+os_ftruncate_impl(PyModuleDef *module, int fd, Py_off_t length);
+
+static PyObject *
+os_ftruncate(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_off_t length;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&:ftruncate",
+        &fd, Py_off_t_converter, &length))
+        goto exit;
+    return_value = os_ftruncate_impl(module, fd, length);
+
+exit:
+    return return_value;
+}
+
+#endif /* (defined HAVE_FTRUNCATE || defined MS_WINDOWS) */
+
+#if (defined HAVE_TRUNCATE || defined MS_WINDOWS)
+
+PyDoc_STRVAR(os_truncate__doc__,
+"truncate($module, /, path, length)\n"
+"--\n"
+"\n"
+"Truncate a file, specified by path, to a specific length.\n"
+"\n"
+"On some platforms, path may also be specified as an open file descriptor.\n"
+"  If this functionality is unavailable, using it raises an exception.");
+
+#define OS_TRUNCATE_METHODDEF    \
+    {"truncate", (PyCFunction)os_truncate, METH_VARARGS|METH_KEYWORDS, os_truncate__doc__},
+
+static PyObject *
+os_truncate_impl(PyModuleDef *module, path_t *path, Py_off_t length);
+
+static PyObject *
+os_truncate(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "length", NULL};
+    path_t path = PATH_T_INITIALIZE("truncate", "path", 0, PATH_HAVE_FTRUNCATE);
+    Py_off_t length;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&:truncate", _keywords,
+        path_converter, &path, Py_off_t_converter, &length))
+        goto exit;
+    return_value = os_truncate_impl(module, &path, length);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* (defined HAVE_TRUNCATE || defined MS_WINDOWS) */
+
+#if (defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG))
+
+PyDoc_STRVAR(os_posix_fallocate__doc__,
+"posix_fallocate($module, fd, offset, length, /)\n"
+"--\n"
+"\n"
+"Ensure a file has allocated at least a particular number of bytes on disk.\n"
+"\n"
+"Ensure that the file specified by fd encompasses a range of bytes\n"
+"starting at offset bytes from the beginning and continuing for length bytes.");
+
+#define OS_POSIX_FALLOCATE_METHODDEF    \
+    {"posix_fallocate", (PyCFunction)os_posix_fallocate, METH_VARARGS, os_posix_fallocate__doc__},
+
+static PyObject *
+os_posix_fallocate_impl(PyModuleDef *module, int fd, Py_off_t offset,
+                        Py_off_t length);
+
+static PyObject *
+os_posix_fallocate(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_off_t offset;
+    Py_off_t length;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&O&:posix_fallocate",
+        &fd, Py_off_t_converter, &offset, Py_off_t_converter, &length))
+        goto exit;
+    return_value = os_posix_fallocate_impl(module, fd, offset, length);
+
+exit:
+    return return_value;
+}
+
+#endif /* (defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)) */
+
+#if (defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG))
+
+PyDoc_STRVAR(os_posix_fadvise__doc__,
+"posix_fadvise($module, fd, offset, length, advice, /)\n"
+"--\n"
+"\n"
+"Announce an intention to access data in a specific pattern.\n"
+"\n"
+"Announce an intention to access data in a specific pattern, thus allowing\n"
+"the kernel to make optimizations.\n"
+"The advice applies to the region of the file specified by fd starting at\n"
+"offset and continuing for length bytes.\n"
+"advice is one of POSIX_FADV_NORMAL, POSIX_FADV_SEQUENTIAL,\n"
+"POSIX_FADV_RANDOM, POSIX_FADV_NOREUSE, POSIX_FADV_WILLNEED, or\n"
+"POSIX_FADV_DONTNEED.");
+
+#define OS_POSIX_FADVISE_METHODDEF    \
+    {"posix_fadvise", (PyCFunction)os_posix_fadvise, METH_VARARGS, os_posix_fadvise__doc__},
+
+static PyObject *
+os_posix_fadvise_impl(PyModuleDef *module, int fd, Py_off_t offset,
+                      Py_off_t length, int advice);
+
+static PyObject *
+os_posix_fadvise(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    Py_off_t offset;
+    Py_off_t length;
+    int advice;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&O&i:posix_fadvise",
+        &fd, Py_off_t_converter, &offset, Py_off_t_converter, &length, &advice))
+        goto exit;
+    return_value = os_posix_fadvise_impl(module, fd, offset, length, advice);
+
+exit:
+    return return_value;
+}
+
+#endif /* (defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG)) */
+
+#if defined(HAVE_PUTENV) && defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os_putenv__doc__,
+"putenv($module, name, value, /)\n"
+"--\n"
+"\n"
+"Change or add an environment variable.");
+
+#define OS_PUTENV_METHODDEF    \
+    {"putenv", (PyCFunction)os_putenv, METH_VARARGS, os_putenv__doc__},
+
+static PyObject *
+os_putenv_impl(PyModuleDef *module, PyObject *name, PyObject *value);
+
+static PyObject *
+os_putenv(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *name;
+    PyObject *value;
+
+    if (!PyArg_ParseTuple(args,
+        "UU:putenv",
+        &name, &value))
+        goto exit;
+    return_value = os_putenv_impl(module, name, value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_PUTENV) && defined(MS_WINDOWS) */
+
+#if defined(HAVE_PUTENV) && !defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os_putenv__doc__,
+"putenv($module, name, value, /)\n"
+"--\n"
+"\n"
+"Change or add an environment variable.");
+
+#define OS_PUTENV_METHODDEF    \
+    {"putenv", (PyCFunction)os_putenv, METH_VARARGS, os_putenv__doc__},
+
+static PyObject *
+os_putenv_impl(PyModuleDef *module, PyObject *name, PyObject *value);
+
+static PyObject *
+os_putenv(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *name = NULL;
+    PyObject *value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "O&O&:putenv",
+        PyUnicode_FSConverter, &name, PyUnicode_FSConverter, &value))
+        goto exit;
+    return_value = os_putenv_impl(module, name, value);
+
+exit:
+    /* Cleanup for name */
+    Py_XDECREF(name);
+    /* Cleanup for value */
+    Py_XDECREF(value);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_PUTENV) && !defined(MS_WINDOWS) */
+
+#if defined(HAVE_UNSETENV)
+
+PyDoc_STRVAR(os_unsetenv__doc__,
+"unsetenv($module, name, /)\n"
+"--\n"
+"\n"
+"Delete an environment variable.");
+
+#define OS_UNSETENV_METHODDEF    \
+    {"unsetenv", (PyCFunction)os_unsetenv, METH_O, os_unsetenv__doc__},
+
+static PyObject *
+os_unsetenv_impl(PyModuleDef *module, PyObject *name);
+
+static PyObject *
+os_unsetenv(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyObject *name = NULL;
+
+    if (!PyArg_Parse(arg,
+        "O&:unsetenv",
+        PyUnicode_FSConverter, &name))
+        goto exit;
+    return_value = os_unsetenv_impl(module, name);
+
+exit:
+    /* Cleanup for name */
+    Py_XDECREF(name);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_UNSETENV) */
+
+PyDoc_STRVAR(os_strerror__doc__,
+"strerror($module, code, /)\n"
+"--\n"
+"\n"
+"Translate an error code to a message string.");
+
+#define OS_STRERROR_METHODDEF    \
+    {"strerror", (PyCFunction)os_strerror, METH_O, os_strerror__doc__},
+
+static PyObject *
+os_strerror_impl(PyModuleDef *module, int code);
+
+static PyObject *
+os_strerror(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int code;
+
+    if (!PyArg_Parse(arg,
+        "i:strerror",
+        &code))
+        goto exit;
+    return_value = os_strerror_impl(module, code);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WCOREDUMP)
+
+PyDoc_STRVAR(os_WCOREDUMP__doc__,
+"WCOREDUMP($module, status, /)\n"
+"--\n"
+"\n"
+"Return True if the process returning status was dumped to a core file.");
+
+#define OS_WCOREDUMP_METHODDEF    \
+    {"WCOREDUMP", (PyCFunction)os_WCOREDUMP, METH_O, os_WCOREDUMP__doc__},
+
+static int
+os_WCOREDUMP_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WCOREDUMP(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int status;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "i:WCOREDUMP",
+        &status))
+        goto exit;
+    _return_value = os_WCOREDUMP_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WCOREDUMP) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WIFCONTINUED)
+
+PyDoc_STRVAR(os_WIFCONTINUED__doc__,
+"WIFCONTINUED($module, /, status)\n"
+"--\n"
+"\n"
+"Return True if a particular process was continued from a job control stop.\n"
+"\n"
+"Return True if the process returning status was continued from a\n"
+"job control stop.");
+
+#define OS_WIFCONTINUED_METHODDEF    \
+    {"WIFCONTINUED", (PyCFunction)os_WIFCONTINUED, METH_VARARGS|METH_KEYWORDS, os_WIFCONTINUED__doc__},
+
+static int
+os_WIFCONTINUED_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WIFCONTINUED(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WIFCONTINUED", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WIFCONTINUED_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WIFCONTINUED) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WIFSTOPPED)
+
+PyDoc_STRVAR(os_WIFSTOPPED__doc__,
+"WIFSTOPPED($module, /, status)\n"
+"--\n"
+"\n"
+"Return True if the process returning status was stopped.");
+
+#define OS_WIFSTOPPED_METHODDEF    \
+    {"WIFSTOPPED", (PyCFunction)os_WIFSTOPPED, METH_VARARGS|METH_KEYWORDS, os_WIFSTOPPED__doc__},
+
+static int
+os_WIFSTOPPED_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WIFSTOPPED(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WIFSTOPPED", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WIFSTOPPED_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WIFSTOPPED) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WIFSIGNALED)
+
+PyDoc_STRVAR(os_WIFSIGNALED__doc__,
+"WIFSIGNALED($module, /, status)\n"
+"--\n"
+"\n"
+"Return True if the process returning status was terminated by a signal.");
+
+#define OS_WIFSIGNALED_METHODDEF    \
+    {"WIFSIGNALED", (PyCFunction)os_WIFSIGNALED, METH_VARARGS|METH_KEYWORDS, os_WIFSIGNALED__doc__},
+
+static int
+os_WIFSIGNALED_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WIFSIGNALED(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WIFSIGNALED", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WIFSIGNALED_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WIFSIGNALED) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WIFEXITED)
+
+PyDoc_STRVAR(os_WIFEXITED__doc__,
+"WIFEXITED($module, /, status)\n"
+"--\n"
+"\n"
+"Return True if the process returning status exited via the exit() system call.");
+
+#define OS_WIFEXITED_METHODDEF    \
+    {"WIFEXITED", (PyCFunction)os_WIFEXITED, METH_VARARGS|METH_KEYWORDS, os_WIFEXITED__doc__},
+
+static int
+os_WIFEXITED_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WIFEXITED(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WIFEXITED", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WIFEXITED_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WIFEXITED) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WEXITSTATUS)
+
+PyDoc_STRVAR(os_WEXITSTATUS__doc__,
+"WEXITSTATUS($module, /, status)\n"
+"--\n"
+"\n"
+"Return the process return code from status.");
+
+#define OS_WEXITSTATUS_METHODDEF    \
+    {"WEXITSTATUS", (PyCFunction)os_WEXITSTATUS, METH_VARARGS|METH_KEYWORDS, os_WEXITSTATUS__doc__},
+
+static int
+os_WEXITSTATUS_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WEXITSTATUS(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WEXITSTATUS", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WEXITSTATUS_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WEXITSTATUS) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WTERMSIG)
+
+PyDoc_STRVAR(os_WTERMSIG__doc__,
+"WTERMSIG($module, /, status)\n"
+"--\n"
+"\n"
+"Return the signal that terminated the process that provided the status value.");
+
+#define OS_WTERMSIG_METHODDEF    \
+    {"WTERMSIG", (PyCFunction)os_WTERMSIG, METH_VARARGS|METH_KEYWORDS, os_WTERMSIG__doc__},
+
+static int
+os_WTERMSIG_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WTERMSIG(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WTERMSIG", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WTERMSIG_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WTERMSIG) */
+
+#if defined(HAVE_SYS_WAIT_H) && defined(WSTOPSIG)
+
+PyDoc_STRVAR(os_WSTOPSIG__doc__,
+"WSTOPSIG($module, /, status)\n"
+"--\n"
+"\n"
+"Return the signal that stopped the process that provided the status value.");
+
+#define OS_WSTOPSIG_METHODDEF    \
+    {"WSTOPSIG", (PyCFunction)os_WSTOPSIG, METH_VARARGS|METH_KEYWORDS, os_WSTOPSIG__doc__},
+
+static int
+os_WSTOPSIG_impl(PyModuleDef *module, int status);
+
+static PyObject *
+os_WSTOPSIG(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"status", NULL};
+    int status;
+    int _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:WSTOPSIG", _keywords,
+        &status))
+        goto exit;
+    _return_value = os_WSTOPSIG_impl(module, status);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYS_WAIT_H) && defined(WSTOPSIG) */
+
+#if (defined(HAVE_FSTATVFS) && defined(HAVE_SYS_STATVFS_H))
+
+PyDoc_STRVAR(os_fstatvfs__doc__,
+"fstatvfs($module, fd, /)\n"
+"--\n"
+"\n"
+"Perform an fstatvfs system call on the given fd.\n"
+"\n"
+"Equivalent to statvfs(fd).");
+
+#define OS_FSTATVFS_METHODDEF    \
+    {"fstatvfs", (PyCFunction)os_fstatvfs, METH_O, os_fstatvfs__doc__},
+
+static PyObject *
+os_fstatvfs_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_fstatvfs(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int fd;
+
+    if (!PyArg_Parse(arg,
+        "i:fstatvfs",
+        &fd))
+        goto exit;
+    return_value = os_fstatvfs_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+#endif /* (defined(HAVE_FSTATVFS) && defined(HAVE_SYS_STATVFS_H)) */
+
+#if (defined(HAVE_STATVFS) && defined(HAVE_SYS_STATVFS_H))
+
+PyDoc_STRVAR(os_statvfs__doc__,
+"statvfs($module, /, path)\n"
+"--\n"
+"\n"
+"Perform a statvfs system call on the given path.\n"
+"\n"
+"path may always be specified as a string.\n"
+"On some platforms, path may also be specified as an open file descriptor.\n"
+"  If this functionality is unavailable, using it raises an exception.");
+
+#define OS_STATVFS_METHODDEF    \
+    {"statvfs", (PyCFunction)os_statvfs, METH_VARARGS|METH_KEYWORDS, os_statvfs__doc__},
+
+static PyObject *
+os_statvfs_impl(PyModuleDef *module, path_t *path);
+
+static PyObject *
+os_statvfs(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", NULL};
+    path_t path = PATH_T_INITIALIZE("statvfs", "path", 0, PATH_HAVE_FSTATVFS);
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&:statvfs", _keywords,
+        path_converter, &path))
+        goto exit;
+    return_value = os_statvfs_impl(module, &path);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* (defined(HAVE_STATVFS) && defined(HAVE_SYS_STATVFS_H)) */
+
+#if defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os__getdiskusage__doc__,
+"_getdiskusage($module, /, path)\n"
+"--\n"
+"\n"
+"Return disk usage statistics about the given path as a (total, free) tuple.");
+
+#define OS__GETDISKUSAGE_METHODDEF    \
+    {"_getdiskusage", (PyCFunction)os__getdiskusage, METH_VARARGS|METH_KEYWORDS, os__getdiskusage__doc__},
+
+static PyObject *
+os__getdiskusage_impl(PyModuleDef *module, Py_UNICODE *path);
+
+static PyObject *
+os__getdiskusage(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", NULL};
+    Py_UNICODE *path;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "u:_getdiskusage", _keywords,
+        &path))
+        goto exit;
+    return_value = os__getdiskusage_impl(module, path);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(MS_WINDOWS) */
+
+#if defined(HAVE_FPATHCONF)
+
+PyDoc_STRVAR(os_fpathconf__doc__,
+"fpathconf($module, fd, name, /)\n"
+"--\n"
+"\n"
+"Return the configuration limit name for the file descriptor fd.\n"
+"\n"
+"If there is no limit, return -1.");
+
+#define OS_FPATHCONF_METHODDEF    \
+    {"fpathconf", (PyCFunction)os_fpathconf, METH_VARARGS, os_fpathconf__doc__},
+
+static long
+os_fpathconf_impl(PyModuleDef *module, int fd, int name);
+
+static PyObject *
+os_fpathconf(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int name;
+    long _return_value;
+
+    if (!PyArg_ParseTuple(args,
+        "iO&:fpathconf",
+        &fd, conv_path_confname, &name))
+        goto exit;
+    _return_value = os_fpathconf_impl(module, fd, name);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_FPATHCONF) */
+
+#if defined(HAVE_PATHCONF)
+
+PyDoc_STRVAR(os_pathconf__doc__,
+"pathconf($module, /, path, name)\n"
+"--\n"
+"\n"
+"Return the configuration limit name for the file or directory path.\n"
+"\n"
+"If there is no limit, return -1.\n"
+"On some platforms, path may also be specified as an open file descriptor.\n"
+"  If this functionality is unavailable, using it raises an exception.");
+
+#define OS_PATHCONF_METHODDEF    \
+    {"pathconf", (PyCFunction)os_pathconf, METH_VARARGS|METH_KEYWORDS, os_pathconf__doc__},
+
+static long
+os_pathconf_impl(PyModuleDef *module, path_t *path, int name);
+
+static PyObject *
+os_pathconf(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "name", NULL};
+    path_t path = PATH_T_INITIALIZE("pathconf", "path", 0, PATH_HAVE_FPATHCONF);
+    int name;
+    long _return_value;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&:pathconf", _keywords,
+        path_converter, &path, conv_path_confname, &name))
+        goto exit;
+    _return_value = os_pathconf_impl(module, &path, name);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong(_return_value);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(HAVE_PATHCONF) */
+
+#if defined(HAVE_CONFSTR)
+
+PyDoc_STRVAR(os_confstr__doc__,
+"confstr($module, name, /)\n"
+"--\n"
+"\n"
+"Return a string-valued system configuration variable.");
+
+#define OS_CONFSTR_METHODDEF    \
+    {"confstr", (PyCFunction)os_confstr, METH_O, os_confstr__doc__},
+
+static PyObject *
+os_confstr_impl(PyModuleDef *module, int name);
+
+static PyObject *
+os_confstr(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int name;
+
+    if (!PyArg_Parse(arg,
+        "O&:confstr",
+        conv_confstr_confname, &name))
+        goto exit;
+    return_value = os_confstr_impl(module, name);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_CONFSTR) */
+
+#if defined(HAVE_SYSCONF)
+
+PyDoc_STRVAR(os_sysconf__doc__,
+"sysconf($module, name, /)\n"
+"--\n"
+"\n"
+"Return an integer-valued system configuration variable.");
+
+#define OS_SYSCONF_METHODDEF    \
+    {"sysconf", (PyCFunction)os_sysconf, METH_O, os_sysconf__doc__},
+
+static long
+os_sysconf_impl(PyModuleDef *module, int name);
+
+static PyObject *
+os_sysconf(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int name;
+    long _return_value;
+
+    if (!PyArg_Parse(arg,
+        "O&:sysconf",
+        conv_sysconf_confname, &name))
+        goto exit;
+    _return_value = os_sysconf_impl(module, name);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong(_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SYSCONF) */
+
+PyDoc_STRVAR(os_abort__doc__,
+"abort($module, /)\n"
+"--\n"
+"\n"
+"Abort the interpreter immediately.\n"
+"\n"
+"This function \'dumps core\' or otherwise fails in the hardest way possible\n"
+"on the hosting operating system.  This function never returns.");
+
+#define OS_ABORT_METHODDEF    \
+    {"abort", (PyCFunction)os_abort, METH_NOARGS, os_abort__doc__},
+
+static PyObject *
+os_abort_impl(PyModuleDef *module);
+
+static PyObject *
+os_abort(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_abort_impl(module);
+}
+
+#if defined(HAVE_GETLOADAVG)
+
+PyDoc_STRVAR(os_getloadavg__doc__,
+"getloadavg($module, /)\n"
+"--\n"
+"\n"
+"Return average recent system load information.\n"
+"\n"
+"Return the number of processes in the system run queue averaged over\n"
+"the last 1, 5, and 15 minutes as a tuple of three floats.\n"
+"Raises OSError if the load average was unobtainable.");
+
+#define OS_GETLOADAVG_METHODDEF    \
+    {"getloadavg", (PyCFunction)os_getloadavg, METH_NOARGS, os_getloadavg__doc__},
+
+static PyObject *
+os_getloadavg_impl(PyModuleDef *module);
+
+static PyObject *
+os_getloadavg(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getloadavg_impl(module);
+}
+
+#endif /* defined(HAVE_GETLOADAVG) */
+
+PyDoc_STRVAR(os_device_encoding__doc__,
+"device_encoding($module, /, fd)\n"
+"--\n"
+"\n"
+"Return a string describing the encoding of a terminal\'s file descriptor.\n"
+"\n"
+"The file descriptor must be attached to a terminal.\n"
+"If the device is not a terminal, return None.");
+
+#define OS_DEVICE_ENCODING_METHODDEF    \
+    {"device_encoding", (PyCFunction)os_device_encoding, METH_VARARGS|METH_KEYWORDS, os_device_encoding__doc__},
+
+static PyObject *
+os_device_encoding_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_device_encoding(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"fd", NULL};
+    int fd;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "i:device_encoding", _keywords,
+        &fd))
+        goto exit;
+    return_value = os_device_encoding_impl(module, fd);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_SETRESUID)
+
+PyDoc_STRVAR(os_setresuid__doc__,
+"setresuid($module, ruid, euid, suid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s real, effective, and saved user ids.");
+
+#define OS_SETRESUID_METHODDEF    \
+    {"setresuid", (PyCFunction)os_setresuid, METH_VARARGS, os_setresuid__doc__},
+
+static PyObject *
+os_setresuid_impl(PyModuleDef *module, uid_t ruid, uid_t euid, uid_t suid);
+
+static PyObject *
+os_setresuid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    uid_t ruid;
+    uid_t euid;
+    uid_t suid;
+
+    if (!PyArg_ParseTuple(args,
+        "O&O&O&:setresuid",
+        _Py_Uid_Converter, &ruid, _Py_Uid_Converter, &euid, _Py_Uid_Converter, &suid))
+        goto exit;
+    return_value = os_setresuid_impl(module, ruid, euid, suid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETRESUID) */
+
+#if defined(HAVE_SETRESGID)
+
+PyDoc_STRVAR(os_setresgid__doc__,
+"setresgid($module, rgid, egid, sgid, /)\n"
+"--\n"
+"\n"
+"Set the current process\'s real, effective, and saved group ids.");
+
+#define OS_SETRESGID_METHODDEF    \
+    {"setresgid", (PyCFunction)os_setresgid, METH_VARARGS, os_setresgid__doc__},
+
+static PyObject *
+os_setresgid_impl(PyModuleDef *module, gid_t rgid, gid_t egid, gid_t sgid);
+
+static PyObject *
+os_setresgid(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    gid_t rgid;
+    gid_t egid;
+    gid_t sgid;
+
+    if (!PyArg_ParseTuple(args,
+        "O&O&O&:setresgid",
+        _Py_Gid_Converter, &rgid, _Py_Gid_Converter, &egid, _Py_Gid_Converter, &sgid))
+        goto exit;
+    return_value = os_setresgid_impl(module, rgid, egid, sgid);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_SETRESGID) */
+
+#if defined(HAVE_GETRESUID)
+
+PyDoc_STRVAR(os_getresuid__doc__,
+"getresuid($module, /)\n"
+"--\n"
+"\n"
+"Return a tuple of the current process\'s real, effective, and saved user ids.");
+
+#define OS_GETRESUID_METHODDEF    \
+    {"getresuid", (PyCFunction)os_getresuid, METH_NOARGS, os_getresuid__doc__},
+
+static PyObject *
+os_getresuid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getresuid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getresuid_impl(module);
+}
+
+#endif /* defined(HAVE_GETRESUID) */
+
+#if defined(HAVE_GETRESGID)
+
+PyDoc_STRVAR(os_getresgid__doc__,
+"getresgid($module, /)\n"
+"--\n"
+"\n"
+"Return a tuple of the current process\'s real, effective, and saved group ids.");
+
+#define OS_GETRESGID_METHODDEF    \
+    {"getresgid", (PyCFunction)os_getresgid, METH_NOARGS, os_getresgid__doc__},
+
+static PyObject *
+os_getresgid_impl(PyModuleDef *module);
+
+static PyObject *
+os_getresgid(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_getresgid_impl(module);
+}
+
+#endif /* defined(HAVE_GETRESGID) */
+
+#if defined(USE_XATTRS)
+
+PyDoc_STRVAR(os_getxattr__doc__,
+"getxattr($module, /, path, attribute, *, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Return the value of extended attribute attribute on path.\n"
+"\n"
+"path may be either a string or an open file descriptor.\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, getxattr will examine the symbolic link itself instead of the file\n"
+"  the link points to.");
+
+#define OS_GETXATTR_METHODDEF    \
+    {"getxattr", (PyCFunction)os_getxattr, METH_VARARGS|METH_KEYWORDS, os_getxattr__doc__},
+
+static PyObject *
+os_getxattr_impl(PyModuleDef *module, path_t *path, path_t *attribute,
+                 int follow_symlinks);
+
+static PyObject *
+os_getxattr(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "attribute", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("getxattr", "path", 0, 1);
+    path_t attribute = PATH_T_INITIALIZE("getxattr", "attribute", 0, 0);
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&|$p:getxattr", _keywords,
+        path_converter, &path, path_converter, &attribute, &follow_symlinks))
+        goto exit;
+    return_value = os_getxattr_impl(module, &path, &attribute, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+    /* Cleanup for attribute */
+    path_cleanup(&attribute);
+
+    return return_value;
+}
+
+#endif /* defined(USE_XATTRS) */
+
+#if defined(USE_XATTRS)
+
+PyDoc_STRVAR(os_setxattr__doc__,
+"setxattr($module, /, path, attribute, value, flags=0, *,\n"
+"         follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Set extended attribute attribute on path to value.\n"
+"\n"
+"path may be either a string or an open file descriptor.\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, setxattr will modify the symbolic link itself instead of the file\n"
+"  the link points to.");
+
+#define OS_SETXATTR_METHODDEF    \
+    {"setxattr", (PyCFunction)os_setxattr, METH_VARARGS|METH_KEYWORDS, os_setxattr__doc__},
+
+static PyObject *
+os_setxattr_impl(PyModuleDef *module, path_t *path, path_t *attribute,
+                 Py_buffer *value, int flags, int follow_symlinks);
+
+static PyObject *
+os_setxattr(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "attribute", "value", "flags", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("setxattr", "path", 0, 1);
+    path_t attribute = PATH_T_INITIALIZE("setxattr", "attribute", 0, 0);
+    Py_buffer value = {NULL, NULL};
+    int flags = 0;
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&y*|i$p:setxattr", _keywords,
+        path_converter, &path, path_converter, &attribute, &value, &flags, &follow_symlinks))
+        goto exit;
+    return_value = os_setxattr_impl(module, &path, &attribute, &value, flags, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+    /* Cleanup for attribute */
+    path_cleanup(&attribute);
+    /* Cleanup for value */
+    if (value.obj)
+       PyBuffer_Release(&value);
+
+    return return_value;
+}
+
+#endif /* defined(USE_XATTRS) */
+
+#if defined(USE_XATTRS)
+
+PyDoc_STRVAR(os_removexattr__doc__,
+"removexattr($module, /, path, attribute, *, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Remove extended attribute attribute on path.\n"
+"\n"
+"path may be either a string or an open file descriptor.\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, removexattr will modify the symbolic link itself instead of the file\n"
+"  the link points to.");
+
+#define OS_REMOVEXATTR_METHODDEF    \
+    {"removexattr", (PyCFunction)os_removexattr, METH_VARARGS|METH_KEYWORDS, os_removexattr__doc__},
+
+static PyObject *
+os_removexattr_impl(PyModuleDef *module, path_t *path, path_t *attribute,
+                    int follow_symlinks);
+
+static PyObject *
+os_removexattr(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "attribute", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("removexattr", "path", 0, 1);
+    path_t attribute = PATH_T_INITIALIZE("removexattr", "attribute", 0, 0);
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "O&O&|$p:removexattr", _keywords,
+        path_converter, &path, path_converter, &attribute, &follow_symlinks))
+        goto exit;
+    return_value = os_removexattr_impl(module, &path, &attribute, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+    /* Cleanup for attribute */
+    path_cleanup(&attribute);
+
+    return return_value;
+}
+
+#endif /* defined(USE_XATTRS) */
+
+#if defined(USE_XATTRS)
+
+PyDoc_STRVAR(os_listxattr__doc__,
+"listxattr($module, /, path=None, *, follow_symlinks=True)\n"
+"--\n"
+"\n"
+"Return a list of extended attributes on path.\n"
+"\n"
+"path may be either None, a string, or an open file descriptor.\n"
+"if path is None, listxattr will examine the current directory.\n"
+"If follow_symlinks is False, and the last element of the path is a symbolic\n"
+"  link, listxattr will examine the symbolic link itself instead of the file\n"
+"  the link points to.");
+
+#define OS_LISTXATTR_METHODDEF    \
+    {"listxattr", (PyCFunction)os_listxattr, METH_VARARGS|METH_KEYWORDS, os_listxattr__doc__},
+
+static PyObject *
+os_listxattr_impl(PyModuleDef *module, path_t *path, int follow_symlinks);
+
+static PyObject *
+os_listxattr(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"path", "follow_symlinks", NULL};
+    path_t path = PATH_T_INITIALIZE("listxattr", "path", 1, 1);
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O&$p:listxattr", _keywords,
+        path_converter, &path, &follow_symlinks))
+        goto exit;
+    return_value = os_listxattr_impl(module, &path, follow_symlinks);
+
+exit:
+    /* Cleanup for path */
+    path_cleanup(&path);
+
+    return return_value;
+}
+
+#endif /* defined(USE_XATTRS) */
+
+PyDoc_STRVAR(os_urandom__doc__,
+"urandom($module, size, /)\n"
+"--\n"
+"\n"
+"Return a bytes object containing random bytes suitable for cryptographic use.");
+
+#define OS_URANDOM_METHODDEF    \
+    {"urandom", (PyCFunction)os_urandom, METH_O, os_urandom__doc__},
+
+static PyObject *
+os_urandom_impl(PyModuleDef *module, Py_ssize_t size);
+
+static PyObject *
+os_urandom(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t size;
+
+    if (!PyArg_Parse(arg,
+        "n:urandom",
+        &size))
+        goto exit;
+    return_value = os_urandom_impl(module, size);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_cpu_count__doc__,
+"cpu_count($module, /)\n"
+"--\n"
+"\n"
+"Return the number of CPUs in the system; return None if indeterminable.");
+
+#define OS_CPU_COUNT_METHODDEF    \
+    {"cpu_count", (PyCFunction)os_cpu_count, METH_NOARGS, os_cpu_count__doc__},
+
+static PyObject *
+os_cpu_count_impl(PyModuleDef *module);
+
+static PyObject *
+os_cpu_count(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return os_cpu_count_impl(module);
+}
+
+PyDoc_STRVAR(os_get_inheritable__doc__,
+"get_inheritable($module, fd, /)\n"
+"--\n"
+"\n"
+"Get the close-on-exe flag of the specified file descriptor.");
+
+#define OS_GET_INHERITABLE_METHODDEF    \
+    {"get_inheritable", (PyCFunction)os_get_inheritable, METH_O, os_get_inheritable__doc__},
+
+static int
+os_get_inheritable_impl(PyModuleDef *module, int fd);
+
+static PyObject *
+os_get_inheritable(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "i:get_inheritable",
+        &fd))
+        goto exit;
+    _return_value = os_get_inheritable_impl(module, fd);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(os_set_inheritable__doc__,
+"set_inheritable($module, fd, inheritable, /)\n"
+"--\n"
+"\n"
+"Set the inheritable flag of the specified file descriptor.");
+
+#define OS_SET_INHERITABLE_METHODDEF    \
+    {"set_inheritable", (PyCFunction)os_set_inheritable, METH_VARARGS, os_set_inheritable__doc__},
+
+static PyObject *
+os_set_inheritable_impl(PyModuleDef *module, int fd, int inheritable);
+
+static PyObject *
+os_set_inheritable(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int fd;
+    int inheritable;
+
+    if (!PyArg_ParseTuple(args,
+        "ii:set_inheritable",
+        &fd, &inheritable))
+        goto exit;
+    return_value = os_set_inheritable_impl(module, fd, inheritable);
+
+exit:
+    return return_value;
+}
+
+#if defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os_get_handle_inheritable__doc__,
+"get_handle_inheritable($module, handle, /)\n"
+"--\n"
+"\n"
+"Get the close-on-exe flag of the specified file descriptor.");
+
+#define OS_GET_HANDLE_INHERITABLE_METHODDEF    \
+    {"get_handle_inheritable", (PyCFunction)os_get_handle_inheritable, METH_O, os_get_handle_inheritable__doc__},
+
+static int
+os_get_handle_inheritable_impl(PyModuleDef *module, Py_intptr_t handle);
+
+static PyObject *
+os_get_handle_inheritable(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_intptr_t handle;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "" _Py_PARSE_INTPTR ":get_handle_inheritable",
+        &handle))
+        goto exit;
+    _return_value = os_get_handle_inheritable_impl(module, handle);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyBool_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(MS_WINDOWS) */
+
+#if defined(MS_WINDOWS)
+
+PyDoc_STRVAR(os_set_handle_inheritable__doc__,
+"set_handle_inheritable($module, handle, inheritable, /)\n"
+"--\n"
+"\n"
+"Set the inheritable flag of the specified handle.");
+
+#define OS_SET_HANDLE_INHERITABLE_METHODDEF    \
+    {"set_handle_inheritable", (PyCFunction)os_set_handle_inheritable, METH_VARARGS, os_set_handle_inheritable__doc__},
+
+static PyObject *
+os_set_handle_inheritable_impl(PyModuleDef *module, Py_intptr_t handle,
+                               int inheritable);
+
+static PyObject *
+os_set_handle_inheritable(PyModuleDef *module, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_intptr_t handle;
+    int inheritable;
+
+    if (!PyArg_ParseTuple(args,
+        "" _Py_PARSE_INTPTR "p:set_handle_inheritable",
+        &handle, &inheritable))
+        goto exit;
+    return_value = os_set_handle_inheritable_impl(module, handle, inheritable);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(MS_WINDOWS) */
+
+#ifndef OS_TTYNAME_METHODDEF
+    #define OS_TTYNAME_METHODDEF
+#endif /* !defined(OS_TTYNAME_METHODDEF) */
+
+#ifndef OS_CTERMID_METHODDEF
+    #define OS_CTERMID_METHODDEF
+#endif /* !defined(OS_CTERMID_METHODDEF) */
+
+#ifndef OS_FCHDIR_METHODDEF
+    #define OS_FCHDIR_METHODDEF
+#endif /* !defined(OS_FCHDIR_METHODDEF) */
+
+#ifndef OS_FCHMOD_METHODDEF
+    #define OS_FCHMOD_METHODDEF
+#endif /* !defined(OS_FCHMOD_METHODDEF) */
+
+#ifndef OS_LCHMOD_METHODDEF
+    #define OS_LCHMOD_METHODDEF
+#endif /* !defined(OS_LCHMOD_METHODDEF) */
+
+#ifndef OS_CHFLAGS_METHODDEF
+    #define OS_CHFLAGS_METHODDEF
+#endif /* !defined(OS_CHFLAGS_METHODDEF) */
+
+#ifndef OS_LCHFLAGS_METHODDEF
+    #define OS_LCHFLAGS_METHODDEF
+#endif /* !defined(OS_LCHFLAGS_METHODDEF) */
+
+#ifndef OS_CHROOT_METHODDEF
+    #define OS_CHROOT_METHODDEF
+#endif /* !defined(OS_CHROOT_METHODDEF) */
+
+#ifndef OS_FSYNC_METHODDEF
+    #define OS_FSYNC_METHODDEF
+#endif /* !defined(OS_FSYNC_METHODDEF) */
+
+#ifndef OS_SYNC_METHODDEF
+    #define OS_SYNC_METHODDEF
+#endif /* !defined(OS_SYNC_METHODDEF) */
+
+#ifndef OS_FDATASYNC_METHODDEF
+    #define OS_FDATASYNC_METHODDEF
+#endif /* !defined(OS_FDATASYNC_METHODDEF) */
+
+#ifndef OS_CHOWN_METHODDEF
+    #define OS_CHOWN_METHODDEF
+#endif /* !defined(OS_CHOWN_METHODDEF) */
+
+#ifndef OS_FCHOWN_METHODDEF
+    #define OS_FCHOWN_METHODDEF
+#endif /* !defined(OS_FCHOWN_METHODDEF) */
+
+#ifndef OS_LCHOWN_METHODDEF
+    #define OS_LCHOWN_METHODDEF
+#endif /* !defined(OS_LCHOWN_METHODDEF) */
+
+#ifndef OS_LINK_METHODDEF
+    #define OS_LINK_METHODDEF
+#endif /* !defined(OS_LINK_METHODDEF) */
+
+#ifndef OS__GETFINALPATHNAME_METHODDEF
+    #define OS__GETFINALPATHNAME_METHODDEF
+#endif /* !defined(OS__GETFINALPATHNAME_METHODDEF) */
+
+#ifndef OS__GETVOLUMEPATHNAME_METHODDEF
+    #define OS__GETVOLUMEPATHNAME_METHODDEF
+#endif /* !defined(OS__GETVOLUMEPATHNAME_METHODDEF) */
+
+#ifndef OS_NICE_METHODDEF
+    #define OS_NICE_METHODDEF
+#endif /* !defined(OS_NICE_METHODDEF) */
+
+#ifndef OS_GETPRIORITY_METHODDEF
+    #define OS_GETPRIORITY_METHODDEF
+#endif /* !defined(OS_GETPRIORITY_METHODDEF) */
+
+#ifndef OS_SETPRIORITY_METHODDEF
+    #define OS_SETPRIORITY_METHODDEF
+#endif /* !defined(OS_SETPRIORITY_METHODDEF) */
+
+#ifndef OS_SYSTEM_METHODDEF
+    #define OS_SYSTEM_METHODDEF
+#endif /* !defined(OS_SYSTEM_METHODDEF) */
+
+#ifndef OS_UNAME_METHODDEF
+    #define OS_UNAME_METHODDEF
+#endif /* !defined(OS_UNAME_METHODDEF) */
+
+#ifndef OS_EXECV_METHODDEF
+    #define OS_EXECV_METHODDEF
+#endif /* !defined(OS_EXECV_METHODDEF) */
+
+#ifndef OS_EXECVE_METHODDEF
+    #define OS_EXECVE_METHODDEF
+#endif /* !defined(OS_EXECVE_METHODDEF) */
+
+#ifndef OS_SPAWNV_METHODDEF
+    #define OS_SPAWNV_METHODDEF
+#endif /* !defined(OS_SPAWNV_METHODDEF) */
+
+#ifndef OS_SPAWNVE_METHODDEF
+    #define OS_SPAWNVE_METHODDEF
+#endif /* !defined(OS_SPAWNVE_METHODDEF) */
+
+#ifndef OS_FORK1_METHODDEF
+    #define OS_FORK1_METHODDEF
+#endif /* !defined(OS_FORK1_METHODDEF) */
+
+#ifndef OS_FORK_METHODDEF
+    #define OS_FORK_METHODDEF
+#endif /* !defined(OS_FORK_METHODDEF) */
+
+#ifndef OS_SCHED_GET_PRIORITY_MAX_METHODDEF
+    #define OS_SCHED_GET_PRIORITY_MAX_METHODDEF
+#endif /* !defined(OS_SCHED_GET_PRIORITY_MAX_METHODDEF) */
+
+#ifndef OS_SCHED_GET_PRIORITY_MIN_METHODDEF
+    #define OS_SCHED_GET_PRIORITY_MIN_METHODDEF
+#endif /* !defined(OS_SCHED_GET_PRIORITY_MIN_METHODDEF) */
+
+#ifndef OS_SCHED_GETSCHEDULER_METHODDEF
+    #define OS_SCHED_GETSCHEDULER_METHODDEF
+#endif /* !defined(OS_SCHED_GETSCHEDULER_METHODDEF) */
+
+#ifndef OS_SCHED_SETSCHEDULER_METHODDEF
+    #define OS_SCHED_SETSCHEDULER_METHODDEF
+#endif /* !defined(OS_SCHED_SETSCHEDULER_METHODDEF) */
+
+#ifndef OS_SCHED_GETPARAM_METHODDEF
+    #define OS_SCHED_GETPARAM_METHODDEF
+#endif /* !defined(OS_SCHED_GETPARAM_METHODDEF) */
+
+#ifndef OS_SCHED_SETPARAM_METHODDEF
+    #define OS_SCHED_SETPARAM_METHODDEF
+#endif /* !defined(OS_SCHED_SETPARAM_METHODDEF) */
+
+#ifndef OS_SCHED_RR_GET_INTERVAL_METHODDEF
+    #define OS_SCHED_RR_GET_INTERVAL_METHODDEF
+#endif /* !defined(OS_SCHED_RR_GET_INTERVAL_METHODDEF) */
+
+#ifndef OS_SCHED_YIELD_METHODDEF
+    #define OS_SCHED_YIELD_METHODDEF
+#endif /* !defined(OS_SCHED_YIELD_METHODDEF) */
+
+#ifndef OS_SCHED_SETAFFINITY_METHODDEF
+    #define OS_SCHED_SETAFFINITY_METHODDEF
+#endif /* !defined(OS_SCHED_SETAFFINITY_METHODDEF) */
+
+#ifndef OS_SCHED_GETAFFINITY_METHODDEF
+    #define OS_SCHED_GETAFFINITY_METHODDEF
+#endif /* !defined(OS_SCHED_GETAFFINITY_METHODDEF) */
+
+#ifndef OS_OPENPTY_METHODDEF
+    #define OS_OPENPTY_METHODDEF
+#endif /* !defined(OS_OPENPTY_METHODDEF) */
+
+#ifndef OS_FORKPTY_METHODDEF
+    #define OS_FORKPTY_METHODDEF
+#endif /* !defined(OS_FORKPTY_METHODDEF) */
+
+#ifndef OS_GETEGID_METHODDEF
+    #define OS_GETEGID_METHODDEF
+#endif /* !defined(OS_GETEGID_METHODDEF) */
+
+#ifndef OS_GETEUID_METHODDEF
+    #define OS_GETEUID_METHODDEF
+#endif /* !defined(OS_GETEUID_METHODDEF) */
+
+#ifndef OS_GETGID_METHODDEF
+    #define OS_GETGID_METHODDEF
+#endif /* !defined(OS_GETGID_METHODDEF) */
+
+#ifndef OS_GETGROUPS_METHODDEF
+    #define OS_GETGROUPS_METHODDEF
+#endif /* !defined(OS_GETGROUPS_METHODDEF) */
+
+#ifndef OS_GETPGID_METHODDEF
+    #define OS_GETPGID_METHODDEF
+#endif /* !defined(OS_GETPGID_METHODDEF) */
+
+#ifndef OS_GETPGRP_METHODDEF
+    #define OS_GETPGRP_METHODDEF
+#endif /* !defined(OS_GETPGRP_METHODDEF) */
+
+#ifndef OS_SETPGRP_METHODDEF
+    #define OS_SETPGRP_METHODDEF
+#endif /* !defined(OS_SETPGRP_METHODDEF) */
+
+#ifndef OS_GETPPID_METHODDEF
+    #define OS_GETPPID_METHODDEF
+#endif /* !defined(OS_GETPPID_METHODDEF) */
+
+#ifndef OS_GETLOGIN_METHODDEF
+    #define OS_GETLOGIN_METHODDEF
+#endif /* !defined(OS_GETLOGIN_METHODDEF) */
+
+#ifndef OS_GETUID_METHODDEF
+    #define OS_GETUID_METHODDEF
+#endif /* !defined(OS_GETUID_METHODDEF) */
+
+#ifndef OS_KILL_METHODDEF
+    #define OS_KILL_METHODDEF
+#endif /* !defined(OS_KILL_METHODDEF) */
+
+#ifndef OS_KILLPG_METHODDEF
+    #define OS_KILLPG_METHODDEF
+#endif /* !defined(OS_KILLPG_METHODDEF) */
+
+#ifndef OS_PLOCK_METHODDEF
+    #define OS_PLOCK_METHODDEF
+#endif /* !defined(OS_PLOCK_METHODDEF) */
+
+#ifndef OS_SETUID_METHODDEF
+    #define OS_SETUID_METHODDEF
+#endif /* !defined(OS_SETUID_METHODDEF) */
+
+#ifndef OS_SETEUID_METHODDEF
+    #define OS_SETEUID_METHODDEF
+#endif /* !defined(OS_SETEUID_METHODDEF) */
+
+#ifndef OS_SETEGID_METHODDEF
+    #define OS_SETEGID_METHODDEF
+#endif /* !defined(OS_SETEGID_METHODDEF) */
+
+#ifndef OS_SETREUID_METHODDEF
+    #define OS_SETREUID_METHODDEF
+#endif /* !defined(OS_SETREUID_METHODDEF) */
+
+#ifndef OS_SETREGID_METHODDEF
+    #define OS_SETREGID_METHODDEF
+#endif /* !defined(OS_SETREGID_METHODDEF) */
+
+#ifndef OS_SETGID_METHODDEF
+    #define OS_SETGID_METHODDEF
+#endif /* !defined(OS_SETGID_METHODDEF) */
+
+#ifndef OS_SETGROUPS_METHODDEF
+    #define OS_SETGROUPS_METHODDEF
+#endif /* !defined(OS_SETGROUPS_METHODDEF) */
+
+#ifndef OS_WAIT3_METHODDEF
+    #define OS_WAIT3_METHODDEF
+#endif /* !defined(OS_WAIT3_METHODDEF) */
+
+#ifndef OS_WAIT4_METHODDEF
+    #define OS_WAIT4_METHODDEF
+#endif /* !defined(OS_WAIT4_METHODDEF) */
+
+#ifndef OS_WAITID_METHODDEF
+    #define OS_WAITID_METHODDEF
+#endif /* !defined(OS_WAITID_METHODDEF) */
+
+#ifndef OS_WAITPID_METHODDEF
+    #define OS_WAITPID_METHODDEF
+#endif /* !defined(OS_WAITPID_METHODDEF) */
+
+#ifndef OS_WAIT_METHODDEF
+    #define OS_WAIT_METHODDEF
+#endif /* !defined(OS_WAIT_METHODDEF) */
+
+#ifndef OS_SYMLINK_METHODDEF
+    #define OS_SYMLINK_METHODDEF
+#endif /* !defined(OS_SYMLINK_METHODDEF) */
+
+#ifndef OS_TIMES_METHODDEF
+    #define OS_TIMES_METHODDEF
+#endif /* !defined(OS_TIMES_METHODDEF) */
+
+#ifndef OS_GETSID_METHODDEF
+    #define OS_GETSID_METHODDEF
+#endif /* !defined(OS_GETSID_METHODDEF) */
+
+#ifndef OS_SETSID_METHODDEF
+    #define OS_SETSID_METHODDEF
+#endif /* !defined(OS_SETSID_METHODDEF) */
+
+#ifndef OS_SETPGID_METHODDEF
+    #define OS_SETPGID_METHODDEF
+#endif /* !defined(OS_SETPGID_METHODDEF) */
+
+#ifndef OS_TCGETPGRP_METHODDEF
+    #define OS_TCGETPGRP_METHODDEF
+#endif /* !defined(OS_TCGETPGRP_METHODDEF) */
+
+#ifndef OS_TCSETPGRP_METHODDEF
+    #define OS_TCSETPGRP_METHODDEF
+#endif /* !defined(OS_TCSETPGRP_METHODDEF) */
+
+#ifndef OS_LOCKF_METHODDEF
+    #define OS_LOCKF_METHODDEF
+#endif /* !defined(OS_LOCKF_METHODDEF) */
+
+#ifndef OS_READV_METHODDEF
+    #define OS_READV_METHODDEF
+#endif /* !defined(OS_READV_METHODDEF) */
+
+#ifndef OS_PREAD_METHODDEF
+    #define OS_PREAD_METHODDEF
+#endif /* !defined(OS_PREAD_METHODDEF) */
+
+#ifndef OS_PIPE_METHODDEF
+    #define OS_PIPE_METHODDEF
+#endif /* !defined(OS_PIPE_METHODDEF) */
+
+#ifndef OS_PIPE2_METHODDEF
+    #define OS_PIPE2_METHODDEF
+#endif /* !defined(OS_PIPE2_METHODDEF) */
+
+#ifndef OS_WRITEV_METHODDEF
+    #define OS_WRITEV_METHODDEF
+#endif /* !defined(OS_WRITEV_METHODDEF) */
+
+#ifndef OS_PWRITE_METHODDEF
+    #define OS_PWRITE_METHODDEF
+#endif /* !defined(OS_PWRITE_METHODDEF) */
+
+#ifndef OS_MKFIFO_METHODDEF
+    #define OS_MKFIFO_METHODDEF
+#endif /* !defined(OS_MKFIFO_METHODDEF) */
+
+#ifndef OS_MKNOD_METHODDEF
+    #define OS_MKNOD_METHODDEF
+#endif /* !defined(OS_MKNOD_METHODDEF) */
+
+#ifndef OS_MAJOR_METHODDEF
+    #define OS_MAJOR_METHODDEF
+#endif /* !defined(OS_MAJOR_METHODDEF) */
+
+#ifndef OS_MINOR_METHODDEF
+    #define OS_MINOR_METHODDEF
+#endif /* !defined(OS_MINOR_METHODDEF) */
+
+#ifndef OS_MAKEDEV_METHODDEF
+    #define OS_MAKEDEV_METHODDEF
+#endif /* !defined(OS_MAKEDEV_METHODDEF) */
+
+#ifndef OS_FTRUNCATE_METHODDEF
+    #define OS_FTRUNCATE_METHODDEF
+#endif /* !defined(OS_FTRUNCATE_METHODDEF) */
+
+#ifndef OS_TRUNCATE_METHODDEF
+    #define OS_TRUNCATE_METHODDEF
+#endif /* !defined(OS_TRUNCATE_METHODDEF) */
+
+#ifndef OS_POSIX_FALLOCATE_METHODDEF
+    #define OS_POSIX_FALLOCATE_METHODDEF
+#endif /* !defined(OS_POSIX_FALLOCATE_METHODDEF) */
+
+#ifndef OS_POSIX_FADVISE_METHODDEF
+    #define OS_POSIX_FADVISE_METHODDEF
+#endif /* !defined(OS_POSIX_FADVISE_METHODDEF) */
+
+#ifndef OS_PUTENV_METHODDEF
+    #define OS_PUTENV_METHODDEF
+#endif /* !defined(OS_PUTENV_METHODDEF) */
+
+#ifndef OS_UNSETENV_METHODDEF
+    #define OS_UNSETENV_METHODDEF
+#endif /* !defined(OS_UNSETENV_METHODDEF) */
+
+#ifndef OS_WCOREDUMP_METHODDEF
+    #define OS_WCOREDUMP_METHODDEF
+#endif /* !defined(OS_WCOREDUMP_METHODDEF) */
+
+#ifndef OS_WIFCONTINUED_METHODDEF
+    #define OS_WIFCONTINUED_METHODDEF
+#endif /* !defined(OS_WIFCONTINUED_METHODDEF) */
+
+#ifndef OS_WIFSTOPPED_METHODDEF
+    #define OS_WIFSTOPPED_METHODDEF
+#endif /* !defined(OS_WIFSTOPPED_METHODDEF) */
+
+#ifndef OS_WIFSIGNALED_METHODDEF
+    #define OS_WIFSIGNALED_METHODDEF
+#endif /* !defined(OS_WIFSIGNALED_METHODDEF) */
+
+#ifndef OS_WIFEXITED_METHODDEF
+    #define OS_WIFEXITED_METHODDEF
+#endif /* !defined(OS_WIFEXITED_METHODDEF) */
+
+#ifndef OS_WEXITSTATUS_METHODDEF
+    #define OS_WEXITSTATUS_METHODDEF
+#endif /* !defined(OS_WEXITSTATUS_METHODDEF) */
+
+#ifndef OS_WTERMSIG_METHODDEF
+    #define OS_WTERMSIG_METHODDEF
+#endif /* !defined(OS_WTERMSIG_METHODDEF) */
+
+#ifndef OS_WSTOPSIG_METHODDEF
+    #define OS_WSTOPSIG_METHODDEF
+#endif /* !defined(OS_WSTOPSIG_METHODDEF) */
+
+#ifndef OS_FSTATVFS_METHODDEF
+    #define OS_FSTATVFS_METHODDEF
+#endif /* !defined(OS_FSTATVFS_METHODDEF) */
+
+#ifndef OS_STATVFS_METHODDEF
+    #define OS_STATVFS_METHODDEF
+#endif /* !defined(OS_STATVFS_METHODDEF) */
+
+#ifndef OS__GETDISKUSAGE_METHODDEF
+    #define OS__GETDISKUSAGE_METHODDEF
+#endif /* !defined(OS__GETDISKUSAGE_METHODDEF) */
+
+#ifndef OS_FPATHCONF_METHODDEF
+    #define OS_FPATHCONF_METHODDEF
+#endif /* !defined(OS_FPATHCONF_METHODDEF) */
+
+#ifndef OS_PATHCONF_METHODDEF
+    #define OS_PATHCONF_METHODDEF
+#endif /* !defined(OS_PATHCONF_METHODDEF) */
+
+#ifndef OS_CONFSTR_METHODDEF
+    #define OS_CONFSTR_METHODDEF
+#endif /* !defined(OS_CONFSTR_METHODDEF) */
+
+#ifndef OS_SYSCONF_METHODDEF
+    #define OS_SYSCONF_METHODDEF
+#endif /* !defined(OS_SYSCONF_METHODDEF) */
+
+#ifndef OS_GETLOADAVG_METHODDEF
+    #define OS_GETLOADAVG_METHODDEF
+#endif /* !defined(OS_GETLOADAVG_METHODDEF) */
+
+#ifndef OS_SETRESUID_METHODDEF
+    #define OS_SETRESUID_METHODDEF
+#endif /* !defined(OS_SETRESUID_METHODDEF) */
+
+#ifndef OS_SETRESGID_METHODDEF
+    #define OS_SETRESGID_METHODDEF
+#endif /* !defined(OS_SETRESGID_METHODDEF) */
+
+#ifndef OS_GETRESUID_METHODDEF
+    #define OS_GETRESUID_METHODDEF
+#endif /* !defined(OS_GETRESUID_METHODDEF) */
+
+#ifndef OS_GETRESGID_METHODDEF
+    #define OS_GETRESGID_METHODDEF
+#endif /* !defined(OS_GETRESGID_METHODDEF) */
+
+#ifndef OS_GETXATTR_METHODDEF
+    #define OS_GETXATTR_METHODDEF
+#endif /* !defined(OS_GETXATTR_METHODDEF) */
+
+#ifndef OS_SETXATTR_METHODDEF
+    #define OS_SETXATTR_METHODDEF
+#endif /* !defined(OS_SETXATTR_METHODDEF) */
+
+#ifndef OS_REMOVEXATTR_METHODDEF
+    #define OS_REMOVEXATTR_METHODDEF
+#endif /* !defined(OS_REMOVEXATTR_METHODDEF) */
+
+#ifndef OS_LISTXATTR_METHODDEF
+    #define OS_LISTXATTR_METHODDEF
+#endif /* !defined(OS_LISTXATTR_METHODDEF) */
+
+#ifndef OS_GET_HANDLE_INHERITABLE_METHODDEF
+    #define OS_GET_HANDLE_INHERITABLE_METHODDEF
+#endif /* !defined(OS_GET_HANDLE_INHERITABLE_METHODDEF) */
+
+#ifndef OS_SET_HANDLE_INHERITABLE_METHODDEF
+    #define OS_SET_HANDLE_INHERITABLE_METHODDEF
+#endif /* !defined(OS_SET_HANDLE_INHERITABLE_METHODDEF) */
+/*[clinic end generated code: output=0e3fb3bb5df25fea input=a9049054013a1b77]*/
diff --git a/Modules/clinic/pwdmodule.c.h b/Modules/clinic/pwdmodule.c.h
new file mode 100644
index 0000000..ffe7c1c
--- /dev/null
+++ b/Modules/clinic/pwdmodule.c.h
@@ -0,0 +1,73 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(pwd_getpwuid__doc__,
+"getpwuid($module, uidobj, /)\n"
+"--\n"
+"\n"
+"Return the password database entry for the given numeric user ID.\n"
+"\n"
+"See `help(pwd)` for more on password database entries.");
+
+#define PWD_GETPWUID_METHODDEF    \
+    {"getpwuid", (PyCFunction)pwd_getpwuid, METH_O, pwd_getpwuid__doc__},
+
+PyDoc_STRVAR(pwd_getpwnam__doc__,
+"getpwnam($module, arg, /)\n"
+"--\n"
+"\n"
+"Return the password database entry for the given user name.\n"
+"\n"
+"See `help(pwd)` for more on password database entries.");
+
+#define PWD_GETPWNAM_METHODDEF    \
+    {"getpwnam", (PyCFunction)pwd_getpwnam, METH_O, pwd_getpwnam__doc__},
+
+static PyObject *
+pwd_getpwnam_impl(PyModuleDef *module, PyObject *arg);
+
+static PyObject *
+pwd_getpwnam(PyModuleDef *module, PyObject *arg_)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg;
+
+    if (!PyArg_Parse(arg_,
+        "U:getpwnam",
+        &arg))
+        goto exit;
+    return_value = pwd_getpwnam_impl(module, arg);
+
+exit:
+    return return_value;
+}
+
+#if defined(HAVE_GETPWENT)
+
+PyDoc_STRVAR(pwd_getpwall__doc__,
+"getpwall($module, /)\n"
+"--\n"
+"\n"
+"Return a list of all available password database entries, in arbitrary order.\n"
+"\n"
+"See help(pwd) for more on password database entries.");
+
+#define PWD_GETPWALL_METHODDEF    \
+    {"getpwall", (PyCFunction)pwd_getpwall, METH_NOARGS, pwd_getpwall__doc__},
+
+static PyObject *
+pwd_getpwall_impl(PyModuleDef *module);
+
+static PyObject *
+pwd_getpwall(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return pwd_getpwall_impl(module);
+}
+
+#endif /* defined(HAVE_GETPWENT) */
+
+#ifndef PWD_GETPWALL_METHODDEF
+    #define PWD_GETPWALL_METHODDEF
+#endif /* !defined(PWD_GETPWALL_METHODDEF) */
+/*[clinic end generated code: output=e7d5ac24b20e91ae input=a9049054013a1b77]*/
diff --git a/Modules/clinic/pyexpat.c.h b/Modules/clinic/pyexpat.c.h
new file mode 100644
index 0000000..ba5c380
--- /dev/null
+++ b/Modules/clinic/pyexpat.c.h
@@ -0,0 +1,294 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(pyexpat_xmlparser_Parse__doc__,
+"Parse($self, data, isFinal=0, /)\n"
+"--\n"
+"\n"
+"Parse XML data.\n"
+"\n"
+"`isfinal\' should be true at end of input.");
+
+#define PYEXPAT_XMLPARSER_PARSE_METHODDEF    \
+    {"Parse", (PyCFunction)pyexpat_xmlparser_Parse, METH_VARARGS, pyexpat_xmlparser_Parse__doc__},
+
+static PyObject *
+pyexpat_xmlparser_Parse_impl(xmlparseobject *self, PyObject *data,
+                             int isFinal);
+
+static PyObject *
+pyexpat_xmlparser_Parse(xmlparseobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *data;
+    int isFinal = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "O|i:Parse",
+        &data, &isFinal))
+        goto exit;
+    return_value = pyexpat_xmlparser_Parse_impl(self, data, isFinal);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(pyexpat_xmlparser_ParseFile__doc__,
+"ParseFile($self, file, /)\n"
+"--\n"
+"\n"
+"Parse XML data from file-like object.");
+
+#define PYEXPAT_XMLPARSER_PARSEFILE_METHODDEF    \
+    {"ParseFile", (PyCFunction)pyexpat_xmlparser_ParseFile, METH_O, pyexpat_xmlparser_ParseFile__doc__},
+
+PyDoc_STRVAR(pyexpat_xmlparser_SetBase__doc__,
+"SetBase($self, base, /)\n"
+"--\n"
+"\n"
+"Set the base URL for the parser.");
+
+#define PYEXPAT_XMLPARSER_SETBASE_METHODDEF    \
+    {"SetBase", (PyCFunction)pyexpat_xmlparser_SetBase, METH_O, pyexpat_xmlparser_SetBase__doc__},
+
+static PyObject *
+pyexpat_xmlparser_SetBase_impl(xmlparseobject *self, const char *base);
+
+static PyObject *
+pyexpat_xmlparser_SetBase(xmlparseobject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    const char *base;
+
+    if (!PyArg_Parse(arg,
+        "s:SetBase",
+        &base))
+        goto exit;
+    return_value = pyexpat_xmlparser_SetBase_impl(self, base);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(pyexpat_xmlparser_GetBase__doc__,
+"GetBase($self, /)\n"
+"--\n"
+"\n"
+"Return base URL string for the parser.");
+
+#define PYEXPAT_XMLPARSER_GETBASE_METHODDEF    \
+    {"GetBase", (PyCFunction)pyexpat_xmlparser_GetBase, METH_NOARGS, pyexpat_xmlparser_GetBase__doc__},
+
+static PyObject *
+pyexpat_xmlparser_GetBase_impl(xmlparseobject *self);
+
+static PyObject *
+pyexpat_xmlparser_GetBase(xmlparseobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return pyexpat_xmlparser_GetBase_impl(self);
+}
+
+PyDoc_STRVAR(pyexpat_xmlparser_GetInputContext__doc__,
+"GetInputContext($self, /)\n"
+"--\n"
+"\n"
+"Return the untranslated text of the input that caused the current event.\n"
+"\n"
+"If the event was generated by a large amount of text (such as a start tag\n"
+"for an element with many attributes), not all of the text may be available.");
+
+#define PYEXPAT_XMLPARSER_GETINPUTCONTEXT_METHODDEF    \
+    {"GetInputContext", (PyCFunction)pyexpat_xmlparser_GetInputContext, METH_NOARGS, pyexpat_xmlparser_GetInputContext__doc__},
+
+static PyObject *
+pyexpat_xmlparser_GetInputContext_impl(xmlparseobject *self);
+
+static PyObject *
+pyexpat_xmlparser_GetInputContext(xmlparseobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return pyexpat_xmlparser_GetInputContext_impl(self);
+}
+
+PyDoc_STRVAR(pyexpat_xmlparser_ExternalEntityParserCreate__doc__,
+"ExternalEntityParserCreate($self, context, encoding=None, /)\n"
+"--\n"
+"\n"
+"Create a parser for parsing an external entity based on the information passed to the ExternalEntityRefHandler.");
+
+#define PYEXPAT_XMLPARSER_EXTERNALENTITYPARSERCREATE_METHODDEF    \
+    {"ExternalEntityParserCreate", (PyCFunction)pyexpat_xmlparser_ExternalEntityParserCreate, METH_VARARGS, pyexpat_xmlparser_ExternalEntityParserCreate__doc__},
+
+static PyObject *
+pyexpat_xmlparser_ExternalEntityParserCreate_impl(xmlparseobject *self,
+                                                  const char *context,
+                                                  const char *encoding);
+
+static PyObject *
+pyexpat_xmlparser_ExternalEntityParserCreate(xmlparseobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *context;
+    const char *encoding = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "z|s:ExternalEntityParserCreate",
+        &context, &encoding))
+        goto exit;
+    return_value = pyexpat_xmlparser_ExternalEntityParserCreate_impl(self, context, encoding);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(pyexpat_xmlparser_SetParamEntityParsing__doc__,
+"SetParamEntityParsing($self, flag, /)\n"
+"--\n"
+"\n"
+"Controls parsing of parameter entities (including the external DTD subset).\n"
+"\n"
+"Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,\n"
+"XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and\n"
+"XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag\n"
+"was successful.");
+
+#define PYEXPAT_XMLPARSER_SETPARAMENTITYPARSING_METHODDEF    \
+    {"SetParamEntityParsing", (PyCFunction)pyexpat_xmlparser_SetParamEntityParsing, METH_O, pyexpat_xmlparser_SetParamEntityParsing__doc__},
+
+static PyObject *
+pyexpat_xmlparser_SetParamEntityParsing_impl(xmlparseobject *self, int flag);
+
+static PyObject *
+pyexpat_xmlparser_SetParamEntityParsing(xmlparseobject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int flag;
+
+    if (!PyArg_Parse(arg,
+        "i:SetParamEntityParsing",
+        &flag))
+        goto exit;
+    return_value = pyexpat_xmlparser_SetParamEntityParsing_impl(self, flag);
+
+exit:
+    return return_value;
+}
+
+#if (XML_COMBINED_VERSION >= 19505)
+
+PyDoc_STRVAR(pyexpat_xmlparser_UseForeignDTD__doc__,
+"UseForeignDTD($self, flag=True, /)\n"
+"--\n"
+"\n"
+"Allows the application to provide an artificial external subset if one is not specified as part of the document instance.\n"
+"\n"
+"This readily allows the use of a \'default\' document type controlled by the\n"
+"application, while still getting the advantage of providing document type\n"
+"information to the parser. \'flag\' defaults to True if not provided.");
+
+#define PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF    \
+    {"UseForeignDTD", (PyCFunction)pyexpat_xmlparser_UseForeignDTD, METH_VARARGS, pyexpat_xmlparser_UseForeignDTD__doc__},
+
+static PyObject *
+pyexpat_xmlparser_UseForeignDTD_impl(xmlparseobject *self, int flag);
+
+static PyObject *
+pyexpat_xmlparser_UseForeignDTD(xmlparseobject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int flag = 1;
+
+    if (!PyArg_ParseTuple(args,
+        "|p:UseForeignDTD",
+        &flag))
+        goto exit;
+    return_value = pyexpat_xmlparser_UseForeignDTD_impl(self, flag);
+
+exit:
+    return return_value;
+}
+
+#endif /* (XML_COMBINED_VERSION >= 19505) */
+
+PyDoc_STRVAR(pyexpat_xmlparser___dir____doc__,
+"__dir__($self, /)\n"
+"--\n"
+"\n");
+
+#define PYEXPAT_XMLPARSER___DIR___METHODDEF    \
+    {"__dir__", (PyCFunction)pyexpat_xmlparser___dir__, METH_NOARGS, pyexpat_xmlparser___dir____doc__},
+
+static PyObject *
+pyexpat_xmlparser___dir___impl(xmlparseobject *self);
+
+static PyObject *
+pyexpat_xmlparser___dir__(xmlparseobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return pyexpat_xmlparser___dir___impl(self);
+}
+
+PyDoc_STRVAR(pyexpat_ParserCreate__doc__,
+"ParserCreate($module, /, encoding=None, namespace_separator=None,\n"
+"             intern=None)\n"
+"--\n"
+"\n"
+"Return a new XML parser object.");
+
+#define PYEXPAT_PARSERCREATE_METHODDEF    \
+    {"ParserCreate", (PyCFunction)pyexpat_ParserCreate, METH_VARARGS|METH_KEYWORDS, pyexpat_ParserCreate__doc__},
+
+static PyObject *
+pyexpat_ParserCreate_impl(PyModuleDef *module, const char *encoding,
+                          const char *namespace_separator, PyObject *intern);
+
+static PyObject *
+pyexpat_ParserCreate(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"encoding", "namespace_separator", "intern", NULL};
+    const char *encoding = NULL;
+    const char *namespace_separator = NULL;
+    PyObject *intern = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|zzO:ParserCreate", _keywords,
+        &encoding, &namespace_separator, &intern))
+        goto exit;
+    return_value = pyexpat_ParserCreate_impl(module, encoding, namespace_separator, intern);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(pyexpat_ErrorString__doc__,
+"ErrorString($module, code, /)\n"
+"--\n"
+"\n"
+"Returns string error for given number.");
+
+#define PYEXPAT_ERRORSTRING_METHODDEF    \
+    {"ErrorString", (PyCFunction)pyexpat_ErrorString, METH_O, pyexpat_ErrorString__doc__},
+
+static PyObject *
+pyexpat_ErrorString_impl(PyModuleDef *module, long code);
+
+static PyObject *
+pyexpat_ErrorString(PyModuleDef *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    long code;
+
+    if (!PyArg_Parse(arg,
+        "l:ErrorString",
+        &code))
+        goto exit;
+    return_value = pyexpat_ErrorString_impl(module, code);
+
+exit:
+    return return_value;
+}
+
+#ifndef PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF
+    #define PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF
+#endif /* !defined(PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF) */
+/*[clinic end generated code: output=abdf05a21dae98c7 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/sha1module.c.h b/Modules/clinic/sha1module.c.h
new file mode 100644
index 0000000..1b50633
--- /dev/null
+++ b/Modules/clinic/sha1module.c.h
@@ -0,0 +1,96 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(SHA1Type_copy__doc__,
+"copy($self, /)\n"
+"--\n"
+"\n"
+"Return a copy of the hash object.");
+
+#define SHA1TYPE_COPY_METHODDEF    \
+    {"copy", (PyCFunction)SHA1Type_copy, METH_NOARGS, SHA1Type_copy__doc__},
+
+static PyObject *
+SHA1Type_copy_impl(SHA1object *self);
+
+static PyObject *
+SHA1Type_copy(SHA1object *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA1Type_copy_impl(self);
+}
+
+PyDoc_STRVAR(SHA1Type_digest__doc__,
+"digest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of binary data.");
+
+#define SHA1TYPE_DIGEST_METHODDEF    \
+    {"digest", (PyCFunction)SHA1Type_digest, METH_NOARGS, SHA1Type_digest__doc__},
+
+static PyObject *
+SHA1Type_digest_impl(SHA1object *self);
+
+static PyObject *
+SHA1Type_digest(SHA1object *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA1Type_digest_impl(self);
+}
+
+PyDoc_STRVAR(SHA1Type_hexdigest__doc__,
+"hexdigest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of hexadecimal digits.");
+
+#define SHA1TYPE_HEXDIGEST_METHODDEF    \
+    {"hexdigest", (PyCFunction)SHA1Type_hexdigest, METH_NOARGS, SHA1Type_hexdigest__doc__},
+
+static PyObject *
+SHA1Type_hexdigest_impl(SHA1object *self);
+
+static PyObject *
+SHA1Type_hexdigest(SHA1object *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA1Type_hexdigest_impl(self);
+}
+
+PyDoc_STRVAR(SHA1Type_update__doc__,
+"update($self, obj, /)\n"
+"--\n"
+"\n"
+"Update this hash object\'s state with the provided string.");
+
+#define SHA1TYPE_UPDATE_METHODDEF    \
+    {"update", (PyCFunction)SHA1Type_update, METH_O, SHA1Type_update__doc__},
+
+PyDoc_STRVAR(_sha1_sha1__doc__,
+"sha1($module, /, string=b\'\')\n"
+"--\n"
+"\n"
+"Return a new SHA1 hash object; optionally initialized with a string.");
+
+#define _SHA1_SHA1_METHODDEF    \
+    {"sha1", (PyCFunction)_sha1_sha1, METH_VARARGS|METH_KEYWORDS, _sha1_sha1__doc__},
+
+static PyObject *
+_sha1_sha1_impl(PyModuleDef *module, PyObject *string);
+
+static PyObject *
+_sha1_sha1(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"string", NULL};
+    PyObject *string = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:sha1", _keywords,
+        &string))
+        goto exit;
+    return_value = _sha1_sha1_impl(module, string);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=b2890b9ca964b217 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/sha256module.c.h b/Modules/clinic/sha256module.c.h
new file mode 100644
index 0000000..cd7c3e3
--- /dev/null
+++ b/Modules/clinic/sha256module.c.h
@@ -0,0 +1,125 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(SHA256Type_copy__doc__,
+"copy($self, /)\n"
+"--\n"
+"\n"
+"Return a copy of the hash object.");
+
+#define SHA256TYPE_COPY_METHODDEF    \
+    {"copy", (PyCFunction)SHA256Type_copy, METH_NOARGS, SHA256Type_copy__doc__},
+
+static PyObject *
+SHA256Type_copy_impl(SHAobject *self);
+
+static PyObject *
+SHA256Type_copy(SHAobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA256Type_copy_impl(self);
+}
+
+PyDoc_STRVAR(SHA256Type_digest__doc__,
+"digest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of binary data.");
+
+#define SHA256TYPE_DIGEST_METHODDEF    \
+    {"digest", (PyCFunction)SHA256Type_digest, METH_NOARGS, SHA256Type_digest__doc__},
+
+static PyObject *
+SHA256Type_digest_impl(SHAobject *self);
+
+static PyObject *
+SHA256Type_digest(SHAobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA256Type_digest_impl(self);
+}
+
+PyDoc_STRVAR(SHA256Type_hexdigest__doc__,
+"hexdigest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of hexadecimal digits.");
+
+#define SHA256TYPE_HEXDIGEST_METHODDEF    \
+    {"hexdigest", (PyCFunction)SHA256Type_hexdigest, METH_NOARGS, SHA256Type_hexdigest__doc__},
+
+static PyObject *
+SHA256Type_hexdigest_impl(SHAobject *self);
+
+static PyObject *
+SHA256Type_hexdigest(SHAobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA256Type_hexdigest_impl(self);
+}
+
+PyDoc_STRVAR(SHA256Type_update__doc__,
+"update($self, obj, /)\n"
+"--\n"
+"\n"
+"Update this hash object\'s state with the provided string.");
+
+#define SHA256TYPE_UPDATE_METHODDEF    \
+    {"update", (PyCFunction)SHA256Type_update, METH_O, SHA256Type_update__doc__},
+
+PyDoc_STRVAR(_sha256_sha256__doc__,
+"sha256($module, /, string=b\'\')\n"
+"--\n"
+"\n"
+"Return a new SHA-256 hash object; optionally initialized with a string.");
+
+#define _SHA256_SHA256_METHODDEF    \
+    {"sha256", (PyCFunction)_sha256_sha256, METH_VARARGS|METH_KEYWORDS, _sha256_sha256__doc__},
+
+static PyObject *
+_sha256_sha256_impl(PyModuleDef *module, PyObject *string);
+
+static PyObject *
+_sha256_sha256(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"string", NULL};
+    PyObject *string = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:sha256", _keywords,
+        &string))
+        goto exit;
+    return_value = _sha256_sha256_impl(module, string);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(_sha256_sha224__doc__,
+"sha224($module, /, string=b\'\')\n"
+"--\n"
+"\n"
+"Return a new SHA-224 hash object; optionally initialized with a string.");
+
+#define _SHA256_SHA224_METHODDEF    \
+    {"sha224", (PyCFunction)_sha256_sha224, METH_VARARGS|METH_KEYWORDS, _sha256_sha224__doc__},
+
+static PyObject *
+_sha256_sha224_impl(PyModuleDef *module, PyObject *string);
+
+static PyObject *
+_sha256_sha224(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"string", NULL};
+    PyObject *string = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:sha224", _keywords,
+        &string))
+        goto exit;
+    return_value = _sha256_sha224_impl(module, string);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=8a0520371b097358 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/sha512module.c.h b/Modules/clinic/sha512module.c.h
new file mode 100644
index 0000000..7991eff
--- /dev/null
+++ b/Modules/clinic/sha512module.c.h
@@ -0,0 +1,173 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+#if defined(PY_LONG_LONG)
+
+PyDoc_STRVAR(SHA512Type_copy__doc__,
+"copy($self, /)\n"
+"--\n"
+"\n"
+"Return a copy of the hash object.");
+
+#define SHA512TYPE_COPY_METHODDEF    \
+    {"copy", (PyCFunction)SHA512Type_copy, METH_NOARGS, SHA512Type_copy__doc__},
+
+static PyObject *
+SHA512Type_copy_impl(SHAobject *self);
+
+static PyObject *
+SHA512Type_copy(SHAobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA512Type_copy_impl(self);
+}
+
+#endif /* defined(PY_LONG_LONG) */
+
+#if defined(PY_LONG_LONG)
+
+PyDoc_STRVAR(SHA512Type_digest__doc__,
+"digest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of binary data.");
+
+#define SHA512TYPE_DIGEST_METHODDEF    \
+    {"digest", (PyCFunction)SHA512Type_digest, METH_NOARGS, SHA512Type_digest__doc__},
+
+static PyObject *
+SHA512Type_digest_impl(SHAobject *self);
+
+static PyObject *
+SHA512Type_digest(SHAobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA512Type_digest_impl(self);
+}
+
+#endif /* defined(PY_LONG_LONG) */
+
+#if defined(PY_LONG_LONG)
+
+PyDoc_STRVAR(SHA512Type_hexdigest__doc__,
+"hexdigest($self, /)\n"
+"--\n"
+"\n"
+"Return the digest value as a string of hexadecimal digits.");
+
+#define SHA512TYPE_HEXDIGEST_METHODDEF    \
+    {"hexdigest", (PyCFunction)SHA512Type_hexdigest, METH_NOARGS, SHA512Type_hexdigest__doc__},
+
+static PyObject *
+SHA512Type_hexdigest_impl(SHAobject *self);
+
+static PyObject *
+SHA512Type_hexdigest(SHAobject *self, PyObject *Py_UNUSED(ignored))
+{
+    return SHA512Type_hexdigest_impl(self);
+}
+
+#endif /* defined(PY_LONG_LONG) */
+
+#if defined(PY_LONG_LONG)
+
+PyDoc_STRVAR(SHA512Type_update__doc__,
+"update($self, obj, /)\n"
+"--\n"
+"\n"
+"Update this hash object\'s state with the provided string.");
+
+#define SHA512TYPE_UPDATE_METHODDEF    \
+    {"update", (PyCFunction)SHA512Type_update, METH_O, SHA512Type_update__doc__},
+
+#endif /* defined(PY_LONG_LONG) */
+
+#if defined(PY_LONG_LONG)
+
+PyDoc_STRVAR(_sha512_sha512__doc__,
+"sha512($module, /, string=b\'\')\n"
+"--\n"
+"\n"
+"Return a new SHA-512 hash object; optionally initialized with a string.");
+
+#define _SHA512_SHA512_METHODDEF    \
+    {"sha512", (PyCFunction)_sha512_sha512, METH_VARARGS|METH_KEYWORDS, _sha512_sha512__doc__},
+
+static PyObject *
+_sha512_sha512_impl(PyModuleDef *module, PyObject *string);
+
+static PyObject *
+_sha512_sha512(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"string", NULL};
+    PyObject *string = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:sha512", _keywords,
+        &string))
+        goto exit;
+    return_value = _sha512_sha512_impl(module, string);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(PY_LONG_LONG) */
+
+#if defined(PY_LONG_LONG)
+
+PyDoc_STRVAR(_sha512_sha384__doc__,
+"sha384($module, /, string=b\'\')\n"
+"--\n"
+"\n"
+"Return a new SHA-384 hash object; optionally initialized with a string.");
+
+#define _SHA512_SHA384_METHODDEF    \
+    {"sha384", (PyCFunction)_sha512_sha384, METH_VARARGS|METH_KEYWORDS, _sha512_sha384__doc__},
+
+static PyObject *
+_sha512_sha384_impl(PyModuleDef *module, PyObject *string);
+
+static PyObject *
+_sha512_sha384(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"string", NULL};
+    PyObject *string = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|O:sha384", _keywords,
+        &string))
+        goto exit;
+    return_value = _sha512_sha384_impl(module, string);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(PY_LONG_LONG) */
+
+#ifndef SHA512TYPE_COPY_METHODDEF
+    #define SHA512TYPE_COPY_METHODDEF
+#endif /* !defined(SHA512TYPE_COPY_METHODDEF) */
+
+#ifndef SHA512TYPE_DIGEST_METHODDEF
+    #define SHA512TYPE_DIGEST_METHODDEF
+#endif /* !defined(SHA512TYPE_DIGEST_METHODDEF) */
+
+#ifndef SHA512TYPE_HEXDIGEST_METHODDEF
+    #define SHA512TYPE_HEXDIGEST_METHODDEF
+#endif /* !defined(SHA512TYPE_HEXDIGEST_METHODDEF) */
+
+#ifndef SHA512TYPE_UPDATE_METHODDEF
+    #define SHA512TYPE_UPDATE_METHODDEF
+#endif /* !defined(SHA512TYPE_UPDATE_METHODDEF) */
+
+#ifndef _SHA512_SHA512_METHODDEF
+    #define _SHA512_SHA512_METHODDEF
+#endif /* !defined(_SHA512_SHA512_METHODDEF) */
+
+#ifndef _SHA512_SHA384_METHODDEF
+    #define _SHA512_SHA384_METHODDEF
+#endif /* !defined(_SHA512_SHA384_METHODDEF) */
+/*[clinic end generated code: output=de7bda19fde49310 input=a9049054013a1b77]*/
diff --git a/Modules/clinic/spwdmodule.c.h b/Modules/clinic/spwdmodule.c.h
new file mode 100644
index 0000000..e1dde77
--- /dev/null
+++ b/Modules/clinic/spwdmodule.c.h
@@ -0,0 +1,70 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+#if defined(HAVE_GETSPNAM)
+
+PyDoc_STRVAR(spwd_getspnam__doc__,
+"getspnam($module, arg, /)\n"
+"--\n"
+"\n"
+"Return the shadow password database entry for the given user name.\n"
+"\n"
+"See `help(spwd)` for more on shadow password database entries.");
+
+#define SPWD_GETSPNAM_METHODDEF    \
+    {"getspnam", (PyCFunction)spwd_getspnam, METH_O, spwd_getspnam__doc__},
+
+static PyObject *
+spwd_getspnam_impl(PyModuleDef *module, PyObject *arg);
+
+static PyObject *
+spwd_getspnam(PyModuleDef *module, PyObject *arg_)
+{
+    PyObject *return_value = NULL;
+    PyObject *arg;
+
+    if (!PyArg_Parse(arg_,
+        "U:getspnam",
+        &arg))
+        goto exit;
+    return_value = spwd_getspnam_impl(module, arg);
+
+exit:
+    return return_value;
+}
+
+#endif /* defined(HAVE_GETSPNAM) */
+
+#if defined(HAVE_GETSPENT)
+
+PyDoc_STRVAR(spwd_getspall__doc__,
+"getspall($module, /)\n"
+"--\n"
+"\n"
+"Return a list of all available shadow password database entries, in arbitrary order.\n"
+"\n"
+"See `help(spwd)` for more on shadow password database entries.");
+
+#define SPWD_GETSPALL_METHODDEF    \
+    {"getspall", (PyCFunction)spwd_getspall, METH_NOARGS, spwd_getspall__doc__},
+
+static PyObject *
+spwd_getspall_impl(PyModuleDef *module);
+
+static PyObject *
+spwd_getspall(PyModuleDef *module, PyObject *Py_UNUSED(ignored))
+{
+    return spwd_getspall_impl(module);
+}
+
+#endif /* defined(HAVE_GETSPENT) */
+
+#ifndef SPWD_GETSPNAM_METHODDEF
+    #define SPWD_GETSPNAM_METHODDEF
+#endif /* !defined(SPWD_GETSPNAM_METHODDEF) */
+
+#ifndef SPWD_GETSPALL_METHODDEF
+    #define SPWD_GETSPALL_METHODDEF
+#endif /* !defined(SPWD_GETSPALL_METHODDEF) */
+/*[clinic end generated code: output=67a4f8c47008f28f input=a9049054013a1b77]*/
diff --git a/Modules/clinic/unicodedata.c.h b/Modules/clinic/unicodedata.c.h
new file mode 100644
index 0000000..13e6bf9
--- /dev/null
+++ b/Modules/clinic/unicodedata.c.h
@@ -0,0 +1,387 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(unicodedata_UCD_decimal__doc__,
+"decimal($self, chr, default=None, /)\n"
+"--\n"
+"\n"
+"Converts a Unicode character into its equivalent decimal value.\n"
+"\n"
+"Returns the decimal value assigned to the character chr as integer.\n"
+"If no such value is defined, default is returned, or, if not given,\n"
+"ValueError is raised.");
+
+#define UNICODEDATA_UCD_DECIMAL_METHODDEF    \
+    {"decimal", (PyCFunction)unicodedata_UCD_decimal, METH_VARARGS, unicodedata_UCD_decimal__doc__},
+
+static PyObject *
+unicodedata_UCD_decimal_impl(PyObject *self, int chr,
+                             PyObject *default_value);
+
+static PyObject *
+unicodedata_UCD_decimal(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int chr;
+    PyObject *default_value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "C|O:decimal",
+        &chr, &default_value))
+        goto exit;
+    return_value = unicodedata_UCD_decimal_impl(self, chr, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_digit__doc__,
+"digit($self, chr, default=None, /)\n"
+"--\n"
+"\n"
+"Converts a Unicode character into its equivalent digit value.\n"
+"\n"
+"Returns the digit value assigned to the character chr as integer.\n"
+"If no such value is defined, default is returned, or, if not given,\n"
+"ValueError is raised.");
+
+#define UNICODEDATA_UCD_DIGIT_METHODDEF    \
+    {"digit", (PyCFunction)unicodedata_UCD_digit, METH_VARARGS, unicodedata_UCD_digit__doc__},
+
+static PyObject *
+unicodedata_UCD_digit_impl(PyObject *self, int chr, PyObject *default_value);
+
+static PyObject *
+unicodedata_UCD_digit(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int chr;
+    PyObject *default_value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "C|O:digit",
+        &chr, &default_value))
+        goto exit;
+    return_value = unicodedata_UCD_digit_impl(self, chr, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_numeric__doc__,
+"numeric($self, chr, default=None, /)\n"
+"--\n"
+"\n"
+"Converts a Unicode character into its equivalent numeric value.\n"
+"\n"
+"Returns the numeric value assigned to the character chr as float.\n"
+"If no such value is defined, default is returned, or, if not given,\n"
+"ValueError is raised.");
+
+#define UNICODEDATA_UCD_NUMERIC_METHODDEF    \
+    {"numeric", (PyCFunction)unicodedata_UCD_numeric, METH_VARARGS, unicodedata_UCD_numeric__doc__},
+
+static PyObject *
+unicodedata_UCD_numeric_impl(PyObject *self, int chr,
+                             PyObject *default_value);
+
+static PyObject *
+unicodedata_UCD_numeric(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int chr;
+    PyObject *default_value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "C|O:numeric",
+        &chr, &default_value))
+        goto exit;
+    return_value = unicodedata_UCD_numeric_impl(self, chr, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_category__doc__,
+"category($self, chr, /)\n"
+"--\n"
+"\n"
+"Returns the general category assigned to the character chr as string.");
+
+#define UNICODEDATA_UCD_CATEGORY_METHODDEF    \
+    {"category", (PyCFunction)unicodedata_UCD_category, METH_O, unicodedata_UCD_category__doc__},
+
+static PyObject *
+unicodedata_UCD_category_impl(PyObject *self, int chr);
+
+static PyObject *
+unicodedata_UCD_category(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int chr;
+
+    if (!PyArg_Parse(arg,
+        "C:category",
+        &chr))
+        goto exit;
+    return_value = unicodedata_UCD_category_impl(self, chr);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_bidirectional__doc__,
+"bidirectional($self, chr, /)\n"
+"--\n"
+"\n"
+"Returns the bidirectional class assigned to the character chr as string.\n"
+"\n"
+"If no such value is defined, an empty string is returned.");
+
+#define UNICODEDATA_UCD_BIDIRECTIONAL_METHODDEF    \
+    {"bidirectional", (PyCFunction)unicodedata_UCD_bidirectional, METH_O, unicodedata_UCD_bidirectional__doc__},
+
+static PyObject *
+unicodedata_UCD_bidirectional_impl(PyObject *self, int chr);
+
+static PyObject *
+unicodedata_UCD_bidirectional(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int chr;
+
+    if (!PyArg_Parse(arg,
+        "C:bidirectional",
+        &chr))
+        goto exit;
+    return_value = unicodedata_UCD_bidirectional_impl(self, chr);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_combining__doc__,
+"combining($self, chr, /)\n"
+"--\n"
+"\n"
+"Returns the canonical combining class assigned to the character chr as integer.\n"
+"\n"
+"Returns 0 if no combining class is defined.");
+
+#define UNICODEDATA_UCD_COMBINING_METHODDEF    \
+    {"combining", (PyCFunction)unicodedata_UCD_combining, METH_O, unicodedata_UCD_combining__doc__},
+
+static int
+unicodedata_UCD_combining_impl(PyObject *self, int chr);
+
+static PyObject *
+unicodedata_UCD_combining(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int chr;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "C:combining",
+        &chr))
+        goto exit;
+    _return_value = unicodedata_UCD_combining_impl(self, chr);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_mirrored__doc__,
+"mirrored($self, chr, /)\n"
+"--\n"
+"\n"
+"Returns the mirrored property assigned to the character chr as integer.\n"
+"\n"
+"Returns 1 if the character has been identified as a \"mirrored\"\n"
+"character in bidirectional text, 0 otherwise.");
+
+#define UNICODEDATA_UCD_MIRRORED_METHODDEF    \
+    {"mirrored", (PyCFunction)unicodedata_UCD_mirrored, METH_O, unicodedata_UCD_mirrored__doc__},
+
+static int
+unicodedata_UCD_mirrored_impl(PyObject *self, int chr);
+
+static PyObject *
+unicodedata_UCD_mirrored(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int chr;
+    int _return_value;
+
+    if (!PyArg_Parse(arg,
+        "C:mirrored",
+        &chr))
+        goto exit;
+    _return_value = unicodedata_UCD_mirrored_impl(self, chr);
+    if ((_return_value == -1) && PyErr_Occurred())
+        goto exit;
+    return_value = PyLong_FromLong((long)_return_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_east_asian_width__doc__,
+"east_asian_width($self, chr, /)\n"
+"--\n"
+"\n"
+"Returns the east asian width assigned to the character chr as string.");
+
+#define UNICODEDATA_UCD_EAST_ASIAN_WIDTH_METHODDEF    \
+    {"east_asian_width", (PyCFunction)unicodedata_UCD_east_asian_width, METH_O, unicodedata_UCD_east_asian_width__doc__},
+
+static PyObject *
+unicodedata_UCD_east_asian_width_impl(PyObject *self, int chr);
+
+static PyObject *
+unicodedata_UCD_east_asian_width(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int chr;
+
+    if (!PyArg_Parse(arg,
+        "C:east_asian_width",
+        &chr))
+        goto exit;
+    return_value = unicodedata_UCD_east_asian_width_impl(self, chr);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_decomposition__doc__,
+"decomposition($self, chr, /)\n"
+"--\n"
+"\n"
+"Returns the character decomposition mapping assigned to the character chr as string.\n"
+"\n"
+"An empty string is returned in case no such mapping is defined.");
+
+#define UNICODEDATA_UCD_DECOMPOSITION_METHODDEF    \
+    {"decomposition", (PyCFunction)unicodedata_UCD_decomposition, METH_O, unicodedata_UCD_decomposition__doc__},
+
+static PyObject *
+unicodedata_UCD_decomposition_impl(PyObject *self, int chr);
+
+static PyObject *
+unicodedata_UCD_decomposition(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int chr;
+
+    if (!PyArg_Parse(arg,
+        "C:decomposition",
+        &chr))
+        goto exit;
+    return_value = unicodedata_UCD_decomposition_impl(self, chr);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_normalize__doc__,
+"normalize($self, form, unistr, /)\n"
+"--\n"
+"\n"
+"Return the normal form \'form\' for the Unicode string unistr.\n"
+"\n"
+"Valid values for form are \'NFC\', \'NFKC\', \'NFD\', and \'NFKD\'.");
+
+#define UNICODEDATA_UCD_NORMALIZE_METHODDEF    \
+    {"normalize", (PyCFunction)unicodedata_UCD_normalize, METH_VARARGS, unicodedata_UCD_normalize__doc__},
+
+static PyObject *
+unicodedata_UCD_normalize_impl(PyObject *self, const char *form,
+                               PyObject *input);
+
+static PyObject *
+unicodedata_UCD_normalize(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    const char *form;
+    PyObject *input;
+
+    if (!PyArg_ParseTuple(args,
+        "sO!:normalize",
+        &form, &PyUnicode_Type, &input))
+        goto exit;
+    return_value = unicodedata_UCD_normalize_impl(self, form, input);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_name__doc__,
+"name($self, chr, default=None, /)\n"
+"--\n"
+"\n"
+"Returns the name assigned to the character chr as a string.\n"
+"\n"
+"If no name is defined, default is returned, or, if not given,\n"
+"ValueError is raised.");
+
+#define UNICODEDATA_UCD_NAME_METHODDEF    \
+    {"name", (PyCFunction)unicodedata_UCD_name, METH_VARARGS, unicodedata_UCD_name__doc__},
+
+static PyObject *
+unicodedata_UCD_name_impl(PyObject *self, int chr, PyObject *default_value);
+
+static PyObject *
+unicodedata_UCD_name(PyObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int chr;
+    PyObject *default_value = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "C|O:name",
+        &chr, &default_value))
+        goto exit;
+    return_value = unicodedata_UCD_name_impl(self, chr, default_value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicodedata_UCD_lookup__doc__,
+"lookup($self, name, /)\n"
+"--\n"
+"\n"
+"Look up character by name.\n"
+"\n"
+"If a character with the given name is found, return the\n"
+"corresponding character.  If not found, KeyError is raised.");
+
+#define UNICODEDATA_UCD_LOOKUP_METHODDEF    \
+    {"lookup", (PyCFunction)unicodedata_UCD_lookup, METH_O, unicodedata_UCD_lookup__doc__},
+
+static PyObject *
+unicodedata_UCD_lookup_impl(PyObject *self, const char *name,
+                            Py_ssize_clean_t name_length);
+
+static PyObject *
+unicodedata_UCD_lookup(PyObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    const char *name;
+    Py_ssize_clean_t name_length;
+
+    if (!PyArg_Parse(arg,
+        "s#:lookup",
+        &name, &name_length))
+        goto exit;
+    return_value = unicodedata_UCD_lookup_impl(self, name, name_length);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=1f04e31ae703ffed input=a9049054013a1b77]*/
diff --git a/Modules/clinic/zlibmodule.c.h b/Modules/clinic/zlibmodule.c.h
index f54a805..61bcdc4 100644
--- a/Modules/clinic/zlibmodule.c.h
+++ b/Modules/clinic/zlibmodule.c.h
@@ -57,7 +57,8 @@ PyDoc_STRVAR(zlib_decompress__doc__,
     {"decompress", (PyCFunction)zlib_decompress, METH_VARARGS, zlib_decompress__doc__},
 
 static PyObject *
-zlib_decompress_impl(PyModuleDef *module, Py_buffer *data, int wbits, unsigned int bufsize);
+zlib_decompress_impl(PyModuleDef *module, Py_buffer *data, int wbits,
+                     unsigned int bufsize);
 
 static PyObject *
 zlib_decompress(PyModuleDef *module, PyObject *args)
@@ -111,7 +112,8 @@ PyDoc_STRVAR(zlib_compressobj__doc__,
     {"compressobj", (PyCFunction)zlib_compressobj, METH_VARARGS|METH_KEYWORDS, zlib_compressobj__doc__},
 
 static PyObject *
-zlib_compressobj_impl(PyModuleDef *module, int level, int method, int wbits, int memLevel, int strategy, Py_buffer *zdict);
+zlib_compressobj_impl(PyModuleDef *module, int level, int method, int wbits,
+                      int memLevel, int strategy, Py_buffer *zdict);
 
 static PyObject *
 zlib_compressobj(PyModuleDef *module, PyObject *args, PyObject *kwargs)
@@ -189,18 +191,18 @@ PyDoc_STRVAR(zlib_Compress_compress__doc__,
 "Call the flush() method to clear these buffers.");
 
 #define ZLIB_COMPRESS_COMPRESS_METHODDEF    \
-    {"compress", (PyCFunction)zlib_Compress_compress, METH_VARARGS, zlib_Compress_compress__doc__},
+    {"compress", (PyCFunction)zlib_Compress_compress, METH_O, zlib_Compress_compress__doc__},
 
 static PyObject *
 zlib_Compress_compress_impl(compobject *self, Py_buffer *data);
 
 static PyObject *
-zlib_Compress_compress(compobject *self, PyObject *args)
+zlib_Compress_compress(compobject *self, PyObject *arg)
 {
     PyObject *return_value = NULL;
     Py_buffer data = {NULL, NULL};
 
-    if (!PyArg_ParseTuple(args,
+    if (!PyArg_Parse(arg,
         "y*:compress",
         &data))
         goto exit;
@@ -235,7 +237,8 @@ PyDoc_STRVAR(zlib_Decompress_decompress__doc__,
     {"decompress", (PyCFunction)zlib_Decompress_decompress, METH_VARARGS, zlib_Decompress_decompress__doc__},
 
 static PyObject *
-zlib_Decompress_decompress_impl(compobject *self, Py_buffer *data, unsigned int max_length);
+zlib_Decompress_decompress_impl(compobject *self, Py_buffer *data,
+                                unsigned int max_length);
 
 static PyObject *
 zlib_Decompress_decompress(compobject *self, PyObject *args)
@@ -314,10 +317,6 @@ zlib_Compress_copy(compobject *self, PyObject *Py_UNUSED(ignored))
 
 #endif /* defined(HAVE_ZLIB_COPY) */
 
-#ifndef ZLIB_COMPRESS_COPY_METHODDEF
-    #define ZLIB_COMPRESS_COPY_METHODDEF
-#endif /* !defined(ZLIB_COMPRESS_COPY_METHODDEF) */
-
 #if defined(HAVE_ZLIB_COPY)
 
 PyDoc_STRVAR(zlib_Decompress_copy__doc__,
@@ -340,10 +339,6 @@ zlib_Decompress_copy(compobject *self, PyObject *Py_UNUSED(ignored))
 
 #endif /* defined(HAVE_ZLIB_COPY) */
 
-#ifndef ZLIB_DECOMPRESS_COPY_METHODDEF
-    #define ZLIB_DECOMPRESS_COPY_METHODDEF
-#endif /* !defined(ZLIB_DECOMPRESS_COPY_METHODDEF) */
-
 PyDoc_STRVAR(zlib_Decompress_flush__doc__,
 "flush($self, length=zlib.DEF_BUF_SIZE, /)\n"
 "--\n"
@@ -450,4 +445,8 @@ exit:
 
     return return_value;
 }
-/*[clinic end generated code: output=bc9473721ca7c962 input=a9049054013a1b77]*/
+
+#ifndef ZLIB_COMPRESS_COPY_METHODDEF
+    #define ZLIB_COMPRESS_COPY_METHODDEF
+#endif /* !defined(ZLIB_COMPRESS_COPY_METHODDEF) */
+/*[clinic end generated code: output=6cdeb624bebfe11f input=a9049054013a1b77]*/
diff --git a/Modules/cmathmodule.c b/Modules/cmathmodule.c
index eb2853c..921eaaa 100644
--- a/Modules/cmathmodule.c
+++ b/Modules/cmathmodule.c
@@ -8,6 +8,40 @@
    float.h.  We assume that FLT_RADIX is either 2 or 16. */
 #include <float.h>
 
+#include "clinic/cmathmodule.c.h"
+/*[clinic input]
+module cmath
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=308d6839f4a46333]*/
+
+/*[python input]
+class Py_complex_protected_converter(Py_complex_converter):
+    def modify(self):
+        return 'errno = 0; PyFPE_START_PROTECT("complex function", goto exit);'
+
+
+class Py_complex_protected_return_converter(CReturnConverter):
+    type = "Py_complex"
+
+    def render(self, function, data):
+        self.declare(data)
+        data.return_conversion.append("""
+PyFPE_END_PROTECT(_return_value);
+if (errno == EDOM) {{
+    PyErr_SetString(PyExc_ValueError, "math domain error");
+    goto exit;
+}}
+else if (errno == ERANGE) {{
+    PyErr_SetString(PyExc_OverflowError, "math range error");
+    goto exit;
+}}
+else {{
+    return_value = PyComplex_FromCComplex(_return_value);
+}}
+""".strip())
+[python start generated code]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=231019039a6fbb9a]*/
+
 #if (FLT_RADIX != 2 && FLT_RADIX != 16)
 #error "Modules/cmathmodule.c expects FLT_RADIX to be 2 or 16"
 #endif
@@ -48,12 +82,12 @@
 #define CM_SCALE_DOWN (-(CM_SCALE_UP+1)/2)
 
 /* forward declarations */
-static Py_complex c_asinh(Py_complex);
-static Py_complex c_atanh(Py_complex);
-static Py_complex c_cosh(Py_complex);
-static Py_complex c_sinh(Py_complex);
-static Py_complex c_sqrt(Py_complex);
-static Py_complex c_tanh(Py_complex);
+static Py_complex cmath_asinh_impl(PyModuleDef *, Py_complex);
+static Py_complex cmath_atanh_impl(PyModuleDef *, Py_complex);
+static Py_complex cmath_cosh_impl(PyModuleDef *, Py_complex);
+static Py_complex cmath_sinh_impl(PyModuleDef *, Py_complex);
+static Py_complex cmath_sqrt_impl(PyModuleDef *, Py_complex);
+static Py_complex cmath_tanh_impl(PyModuleDef *, Py_complex);
 static PyObject * math_error(void);
 
 /* Code to deal with special values (infinities, NaNs, etc.). */
@@ -123,8 +157,18 @@ special_type(double d)
 
 static Py_complex acos_special_values[7][7];
 
+/*[clinic input]
+cmath.acos -> Py_complex_protected
+
+    z: Py_complex_protected
+    /
+
+Return the arc cosine of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_acos(Py_complex z)
+cmath_acos_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=7c1dd21ff818db6b input=bd6cbd78ae851927]*/
 {
     Py_complex s1, s2, r;
 
@@ -145,10 +189,10 @@ c_acos(Py_complex z)
     } else {
         s1.real = 1.-z.real;
         s1.imag = -z.imag;
-        s1 = c_sqrt(s1);
+        s1 = cmath_sqrt_impl(module, s1);
         s2.real = 1.+z.real;
         s2.imag = z.imag;
-        s2 = c_sqrt(s2);
+        s2 = cmath_sqrt_impl(module, s2);
         r.real = 2.*atan2(s1.real, s2.real);
         r.imag = m_asinh(s2.real*s1.imag - s2.imag*s1.real);
     }
@@ -156,16 +200,18 @@ c_acos(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_acos_doc,
-"acos(x)\n"
-"\n"
-"Return the arc cosine of x.");
-
 
 static Py_complex acosh_special_values[7][7];
 
+/*[clinic input]
+cmath.acosh = cmath.acos
+
+Return the inverse hyperbolic cosine of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_acosh(Py_complex z)
+cmath_acosh_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=c23c776429def981 input=3f61bee7d703e53c]*/
 {
     Py_complex s1, s2, r;
 
@@ -178,10 +224,10 @@ c_acosh(Py_complex z)
     } else {
         s1.real = z.real - 1.;
         s1.imag = z.imag;
-        s1 = c_sqrt(s1);
+        s1 = cmath_sqrt_impl(module, s1);
         s2.real = z.real + 1.;
         s2.imag = z.imag;
-        s2 = c_sqrt(s2);
+        s2 = cmath_sqrt_impl(module, s2);
         r.real = m_asinh(s1.real*s2.real + s1.imag*s2.imag);
         r.imag = 2.*atan2(s1.imag, s2.real);
     }
@@ -189,35 +235,38 @@ c_acosh(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_acosh_doc,
-"acosh(x)\n"
-"\n"
-"Return the inverse hyperbolic cosine of x.");
+/*[clinic input]
+cmath.asin = cmath.acos
 
+Return the arc sine of z.
+[clinic start generated code]*/
 
 static Py_complex
-c_asin(Py_complex z)
+cmath_asin_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=42d2346d46690826 input=be0bf0cfdd5239c5]*/
 {
     /* asin(z) = -i asinh(iz) */
     Py_complex s, r;
     s.real = -z.imag;
     s.imag = z.real;
-    s = c_asinh(s);
+    s = cmath_asinh_impl(module, s);
     r.real = s.imag;
     r.imag = -s.real;
     return r;
 }
 
-PyDoc_STRVAR(c_asin_doc,
-"asin(x)\n"
-"\n"
-"Return the arc sine of x.");
-
 
 static Py_complex asinh_special_values[7][7];
 
+/*[clinic input]
+cmath.asinh = cmath.acos
+
+Return the inverse hyperbolic sine of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_asinh(Py_complex z)
+cmath_asinh_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=0c6664823c7b1b35 input=5c09448fcfc89a79]*/
 {
     Py_complex s1, s2, r;
 
@@ -235,10 +284,10 @@ c_asinh(Py_complex z)
     } else {
         s1.real = 1.+z.imag;
         s1.imag = -z.real;
-        s1 = c_sqrt(s1);
+        s1 = cmath_sqrt_impl(module, s1);
         s2.real = 1.-z.imag;
         s2.imag = z.real;
-        s2 = c_sqrt(s2);
+        s2 = cmath_sqrt_impl(module, s2);
         r.real = m_asinh(s1.real*s2.imag-s2.real*s1.imag);
         r.imag = atan2(z.imag, s1.real*s2.real-s1.imag*s2.imag);
     }
@@ -246,20 +295,22 @@ c_asinh(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_asinh_doc,
-"asinh(x)\n"
-"\n"
-"Return the inverse hyperbolic sine of x.");
 
+/*[clinic input]
+cmath.atan = cmath.acos
+
+Return the arc tangent of z.
+[clinic start generated code]*/
 
 static Py_complex
-c_atan(Py_complex z)
+cmath_atan_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=b7d44f02c6a5c3b5 input=3b21ff7d5eac632a]*/
 {
     /* atan(z) = -i atanh(iz) */
     Py_complex s, r;
     s.real = -z.imag;
     s.imag = z.real;
-    s = c_atanh(s);
+    s = cmath_atanh_impl(module, s);
     r.real = s.imag;
     r.imag = -s.real;
     return r;
@@ -295,16 +346,18 @@ c_atan2(Py_complex z)
     return atan2(z.imag, z.real);
 }
 
-PyDoc_STRVAR(c_atan_doc,
-"atan(x)\n"
-"\n"
-"Return the arc tangent of x.");
-
 
 static Py_complex atanh_special_values[7][7];
 
+/*[clinic input]
+cmath.atanh = cmath.acos
+
+Return the inverse hyperbolic tangent of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_atanh(Py_complex z)
+cmath_atanh_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=279e0b9fefc8da7c input=2b3fdb82fb34487b]*/
 {
     Py_complex r;
     double ay, h;
@@ -313,7 +366,7 @@ c_atanh(Py_complex z)
 
     /* Reduce to case where z.real >= 0., using atanh(z) = -atanh(-z). */
     if (z.real < 0.) {
-        return c_neg(c_atanh(c_neg(z)));
+        return _Py_c_neg(cmath_atanh_impl(module, _Py_c_neg(z)));
     }
 
     ay = fabs(z.imag);
@@ -350,34 +403,38 @@ c_atanh(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_atanh_doc,
-"atanh(x)\n"
-"\n"
-"Return the inverse hyperbolic tangent of x.");
 
+/*[clinic input]
+cmath.cos = cmath.acos
+
+Return the cosine of z.
+[clinic start generated code]*/
 
 static Py_complex
-c_cos(Py_complex z)
+cmath_cos_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=9d1cdc1b5e761667 input=6022e39b77127ac7]*/
 {
     /* cos(z) = cosh(iz) */
     Py_complex r;
     r.real = -z.imag;
     r.imag = z.real;
-    r = c_cosh(r);
+    r = cmath_cosh_impl(module, r);
     return r;
 }
 
-PyDoc_STRVAR(c_cos_doc,
-"cos(x)\n"
-"\n"
-"Return the cosine of x.");
-
 
 /* cosh(infinity + i*y) needs to be dealt with specially */
 static Py_complex cosh_special_values[7][7];
 
+/*[clinic input]
+cmath.cosh = cmath.acos
+
+Return the hyperbolic cosine of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_cosh(Py_complex z)
+cmath_cosh_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=f3b5d3282b3024d3 input=d6b66339e9cc332b]*/
 {
     Py_complex r;
     double x_minus_one;
@@ -426,18 +483,20 @@ c_cosh(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_cosh_doc,
-"cosh(x)\n"
-"\n"
-"Return the hyperbolic cosine of x.");
-
 
 /* exp(infinity + i*y) and exp(-infinity + i*y) need special treatment for
    finite y */
 static Py_complex exp_special_values[7][7];
 
+/*[clinic input]
+cmath.exp = cmath.acos
+
+Return the exponential value e**z.
+[clinic start generated code]*/
+
 static Py_complex
-c_exp(Py_complex z)
+cmath_exp_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=6f8825eb2bcad9ba input=8b9e6cf8a92174c3]*/
 {
     Py_complex r;
     double l;
@@ -486,12 +545,6 @@ c_exp(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_exp_doc,
-"exp(x)\n"
-"\n"
-"Return the exponential value e**x.");
-
-
 static Py_complex log_special_values[7][7];
 
 static Py_complex
@@ -564,8 +617,15 @@ c_log(Py_complex z)
 }
 
 
+/*[clinic input]
+cmath.log10 = cmath.acos
+
+Return the base-10 logarithm of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_log10(Py_complex z)
+cmath_log10_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=c7c426ca0e782341 input=cff5644f73c1519c]*/
 {
     Py_complex r;
     int errno_save;
@@ -578,36 +638,40 @@ c_log10(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_log10_doc,
-"log10(x)\n"
-"\n"
-"Return the base-10 logarithm of x.");
 
+/*[clinic input]
+cmath.sin = cmath.acos
+
+Return the sine of z.
+[clinic start generated code]*/
 
 static Py_complex
-c_sin(Py_complex z)
+cmath_sin_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=e7f5e2b253825ac7 input=2d3519842a8b4b85]*/
 {
     /* sin(z) = -i sin(iz) */
     Py_complex s, r;
     s.real = -z.imag;
     s.imag = z.real;
-    s = c_sinh(s);
+    s = cmath_sinh_impl(module, s);
     r.real = s.imag;
     r.imag = -s.real;
     return r;
 }
 
-PyDoc_STRVAR(c_sin_doc,
-"sin(x)\n"
-"\n"
-"Return the sine of x.");
-
 
 /* sinh(infinity + i*y) needs to be dealt with specially */
 static Py_complex sinh_special_values[7][7];
 
+/*[clinic input]
+cmath.sinh = cmath.acos
+
+Return the hyperbolic sine of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_sinh(Py_complex z)
+cmath_sinh_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=d71fff8298043a95 input=d2d3fc8c1ddfd2dd]*/
 {
     Py_complex r;
     double x_minus_one;
@@ -655,16 +719,18 @@ c_sinh(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_sinh_doc,
-"sinh(x)\n"
-"\n"
-"Return the hyperbolic sine of x.");
-
 
 static Py_complex sqrt_special_values[7][7];
 
+/*[clinic input]
+cmath.sqrt = cmath.acos
+
+Return the square root of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_sqrt(Py_complex z)
+cmath_sqrt_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=b6bda283d0c5a7b4 input=7088b166fc9a58c7]*/
 {
     /*
        Method: use symmetries to reduce to the case when x = z.real and y
@@ -730,36 +796,40 @@ c_sqrt(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_sqrt_doc,
-"sqrt(x)\n"
-"\n"
-"Return the square root of x.");
 
+/*[clinic input]
+cmath.tan = cmath.acos
+
+Return the tangent of z.
+[clinic start generated code]*/
 
 static Py_complex
-c_tan(Py_complex z)
+cmath_tan_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=df374bacf36d99b4 input=fc167e528767888e]*/
 {
     /* tan(z) = -i tanh(iz) */
     Py_complex s, r;
     s.real = -z.imag;
     s.imag = z.real;
-    s = c_tanh(s);
+    s = cmath_tanh_impl(module, s);
     r.real = s.imag;
     r.imag = -s.real;
     return r;
 }
 
-PyDoc_STRVAR(c_tan_doc,
-"tan(x)\n"
-"\n"
-"Return the tangent of x.");
-
 
 /* tanh(infinity + i*y) needs to be dealt with specially */
 static Py_complex tanh_special_values[7][7];
 
+/*[clinic input]
+cmath.tanh = cmath.acos
+
+Return the hyperbolic tangent of z.
+[clinic start generated code]*/
+
 static Py_complex
-c_tanh(Py_complex z)
+cmath_tanh_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=f578773d27a18e96 input=22f67f9dc6d29685]*/
 {
     /* Formula:
 
@@ -822,27 +892,35 @@ c_tanh(Py_complex z)
     return r;
 }
 
-PyDoc_STRVAR(c_tanh_doc,
-"tanh(x)\n"
-"\n"
-"Return the hyperbolic tangent of x.");
 
+/*[clinic input]
+cmath.log
+
+    x: Py_complex
+    y_obj: object = NULL
+    /
+
+The logarithm of z to the given base.
+
+If the base not specified, returns the natural logarithm (base e) of z.
+[clinic start generated code]*/
 
 static PyObject *
-cmath_log(PyObject *self, PyObject *args)
+cmath_log_impl(PyModuleDef *module, Py_complex x, PyObject *y_obj)
+/*[clinic end generated code: output=35e2a1e5229b5a46 input=ee0e823a7c6e68ea]*/
 {
-    Py_complex x;
     Py_complex y;
 
-    if (!PyArg_ParseTuple(args, "D|D", &x, &y))
-        return NULL;
-
     errno = 0;
     PyFPE_START_PROTECT("complex function", return 0)
     x = c_log(x);
-    if (PyTuple_GET_SIZE(args) == 2) {
+    if (y_obj != NULL) {
+        y = PyComplex_AsCComplex(y_obj);
+        if (PyErr_Occurred()) {
+            return NULL;
+        }
         y = c_log(y);
-        x = c_quot(x, y);
+        x = _Py_c_quot(x, y);
     }
     PyFPE_END_PROTECT(x)
     if (errno != 0)
@@ -850,10 +928,6 @@ cmath_log(PyObject *self, PyObject *args)
     return PyComplex_FromCComplex(x);
 }
 
-PyDoc_STRVAR(cmath_log_doc,
-"log(x[, base]) -> the logarithm of x to the given base.\n\
-If the base not specified, returns the natural logarithm (base e) of x.");
-
 
 /* And now the glue to make them available from Python: */
 
@@ -869,57 +943,22 @@ math_error(void)
     return NULL;
 }
 
-static PyObject *
-math_1(PyObject *args, Py_complex (*func)(Py_complex))
-{
-    Py_complex x,r ;
-    if (!PyArg_ParseTuple(args, "D", &x))
-        return NULL;
-    errno = 0;
-    PyFPE_START_PROTECT("complex function", return 0);
-    r = (*func)(x);
-    PyFPE_END_PROTECT(r);
-    if (errno == EDOM) {
-        PyErr_SetString(PyExc_ValueError, "math domain error");
-        return NULL;
-    }
-    else if (errno == ERANGE) {
-        PyErr_SetString(PyExc_OverflowError, "math range error");
-        return NULL;
-    }
-    else {
-        return PyComplex_FromCComplex(r);
-    }
-}
 
-#define FUNC1(stubname, func) \
-    static PyObject * stubname(PyObject *self, PyObject *args) { \
-        return math_1(args, func); \
-    }
+/*[clinic input]
+cmath.phase
+
+    z: Py_complex
+    /
 
-FUNC1(cmath_acos, c_acos)
-FUNC1(cmath_acosh, c_acosh)
-FUNC1(cmath_asin, c_asin)
-FUNC1(cmath_asinh, c_asinh)
-FUNC1(cmath_atan, c_atan)
-FUNC1(cmath_atanh, c_atanh)
-FUNC1(cmath_cos, c_cos)
-FUNC1(cmath_cosh, c_cosh)
-FUNC1(cmath_exp, c_exp)
-FUNC1(cmath_log10, c_log10)
-FUNC1(cmath_sin, c_sin)
-FUNC1(cmath_sinh, c_sinh)
-FUNC1(cmath_sqrt, c_sqrt)
-FUNC1(cmath_tan, c_tan)
-FUNC1(cmath_tanh, c_tanh)
+Return argument, also known as the phase angle, of a complex.
+[clinic start generated code]*/
 
 static PyObject *
-cmath_phase(PyObject *self, PyObject *args)
+cmath_phase_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=e09eaf373cb624c3 input=5cf75228ba94b69d]*/
 {
-    Py_complex z;
     double phi;
-    if (!PyArg_ParseTuple(args, "D:phase", &z))
-        return NULL;
+
     errno = 0;
     PyFPE_START_PROTECT("arg function", return 0)
     phi = c_atan2(z);
@@ -930,20 +969,26 @@ cmath_phase(PyObject *self, PyObject *args)
         return PyFloat_FromDouble(phi);
 }
 
-PyDoc_STRVAR(cmath_phase_doc,
-"phase(z) -> float\n\n\
-Return argument, also known as the phase angle, of a complex.");
+/*[clinic input]
+cmath.polar
+
+    z: Py_complex
+    /
+
+Convert a complex from rectangular coordinates to polar coordinates.
+
+r is the distance from 0 and phi the phase angle.
+[clinic start generated code]*/
 
 static PyObject *
-cmath_polar(PyObject *self, PyObject *args)
+cmath_polar_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=07d41b16c877875a input=26c353574fd1a861]*/
 {
-    Py_complex z;
     double r, phi;
-    if (!PyArg_ParseTuple(args, "D:polar", &z))
-        return NULL;
+
     PyFPE_START_PROTECT("polar function", return 0)
     phi = c_atan2(z); /* should not cause any exception */
-    r = c_abs(z); /* sets errno to ERANGE on overflow;  otherwise 0 */
+    r = _Py_c_abs(z); /* sets errno to ERANGE on overflow;  otherwise 0 */
     PyFPE_END_PROTECT(r)
     if (errno != 0)
         return math_error();
@@ -951,11 +996,6 @@ cmath_polar(PyObject *self, PyObject *args)
         return Py_BuildValue("dd", r, phi);
 }
 
-PyDoc_STRVAR(cmath_polar_doc,
-"polar(z) -> r: float, phi: float\n\n\
-Convert a complex from rectangular coordinates to polar coordinates. r is\n\
-the distance from 0 and phi the phase angle.");
-
 /*
   rect() isn't covered by the C99 standard, but it's not too hard to
   figure out 'spirit of C99' rules for special value handing:
@@ -969,13 +1009,21 @@ the distance from 0 and phi the phase angle.");
 
 static Py_complex rect_special_values[7][7];
 
+/*[clinic input]
+cmath.rect
+
+    r: double
+    phi: double
+    /
+
+Convert from polar coordinates to rectangular coordinates.
+[clinic start generated code]*/
+
 static PyObject *
-cmath_rect(PyObject *self, PyObject *args)
+cmath_rect_impl(PyModuleDef *module, double r, double phi)
+/*[clinic end generated code: output=d97a8749bd63e9d5 input=24c5646d147efd69]*/
 {
     Py_complex z;
-    double r, phi;
-    if (!PyArg_ParseTuple(args, "dd:rect", &r, &phi))
-        return NULL;
     errno = 0;
     PyFPE_START_PROTECT("rect function", return 0)
 
@@ -1026,79 +1074,75 @@ cmath_rect(PyObject *self, PyObject *args)
         return PyComplex_FromCComplex(z);
 }
 
-PyDoc_STRVAR(cmath_rect_doc,
-"rect(r, phi) -> z: complex\n\n\
-Convert from polar coordinates to rectangular coordinates.");
+/*[clinic input]
+cmath.isfinite = cmath.polar
+
+Return True if both the real and imaginary parts of z are finite, else False.
+[clinic start generated code]*/
 
 static PyObject *
-cmath_isfinite(PyObject *self, PyObject *args)
+cmath_isfinite_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=8f6682fa93de45d6 input=848e7ee701895815]*/
 {
-    Py_complex z;
-    if (!PyArg_ParseTuple(args, "D:isfinite", &z))
-        return NULL;
     return PyBool_FromLong(Py_IS_FINITE(z.real) && Py_IS_FINITE(z.imag));
 }
 
-PyDoc_STRVAR(cmath_isfinite_doc,
-"isfinite(z) -> bool\n\
-Return True if both the real and imaginary parts of z are finite, else False.");
+/*[clinic input]
+cmath.isnan = cmath.polar
+
+Checks if the real or imaginary part of z not a number (NaN).
+[clinic start generated code]*/
 
 static PyObject *
-cmath_isnan(PyObject *self, PyObject *args)
+cmath_isnan_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=b85fe8c2047718ee input=71799f5d284c9baf]*/
 {
-    Py_complex z;
-    if (!PyArg_ParseTuple(args, "D:isnan", &z))
-        return NULL;
     return PyBool_FromLong(Py_IS_NAN(z.real) || Py_IS_NAN(z.imag));
 }
 
-PyDoc_STRVAR(cmath_isnan_doc,
-"isnan(z) -> bool\n\
-Checks if the real or imaginary part of z not a number (NaN)");
+/*[clinic input]
+cmath.isinf = cmath.polar
+
+Checks if the real or imaginary part of z is infinite.
+[clinic start generated code]*/
 
 static PyObject *
-cmath_isinf(PyObject *self, PyObject *args)
+cmath_isinf_impl(PyModuleDef *module, Py_complex z)
+/*[clinic end generated code: output=8ca9c6109e468bf4 input=363df155c7181329]*/
 {
-    Py_complex z;
-    if (!PyArg_ParseTuple(args, "D:isinf", &z))
-        return NULL;
     return PyBool_FromLong(Py_IS_INFINITY(z.real) ||
                            Py_IS_INFINITY(z.imag));
 }
 
-PyDoc_STRVAR(cmath_isinf_doc,
-"isinf(z) -> bool\n\
-Checks if the real or imaginary part of z is infinite.");
-
 
 PyDoc_STRVAR(module_doc,
 "This module is always available. It provides access to mathematical\n"
 "functions for complex numbers.");
 
 static PyMethodDef cmath_methods[] = {
-    {"acos",   cmath_acos,  METH_VARARGS, c_acos_doc},
-    {"acosh",  cmath_acosh, METH_VARARGS, c_acosh_doc},
-    {"asin",   cmath_asin,  METH_VARARGS, c_asin_doc},
-    {"asinh",  cmath_asinh, METH_VARARGS, c_asinh_doc},
-    {"atan",   cmath_atan,  METH_VARARGS, c_atan_doc},
-    {"atanh",  cmath_atanh, METH_VARARGS, c_atanh_doc},
-    {"cos",    cmath_cos,   METH_VARARGS, c_cos_doc},
-    {"cosh",   cmath_cosh,  METH_VARARGS, c_cosh_doc},
-    {"exp",    cmath_exp,   METH_VARARGS, c_exp_doc},
-    {"isfinite", cmath_isfinite, METH_VARARGS, cmath_isfinite_doc},
-    {"isinf",  cmath_isinf, METH_VARARGS, cmath_isinf_doc},
-    {"isnan",  cmath_isnan, METH_VARARGS, cmath_isnan_doc},
-    {"log",    cmath_log,   METH_VARARGS, cmath_log_doc},
-    {"log10",  cmath_log10, METH_VARARGS, c_log10_doc},
-    {"phase",  cmath_phase, METH_VARARGS, cmath_phase_doc},
-    {"polar",  cmath_polar, METH_VARARGS, cmath_polar_doc},
-    {"rect",   cmath_rect,  METH_VARARGS, cmath_rect_doc},
-    {"sin",    cmath_sin,   METH_VARARGS, c_sin_doc},
-    {"sinh",   cmath_sinh,  METH_VARARGS, c_sinh_doc},
-    {"sqrt",   cmath_sqrt,  METH_VARARGS, c_sqrt_doc},
-    {"tan",    cmath_tan,   METH_VARARGS, c_tan_doc},
-    {"tanh",   cmath_tanh,  METH_VARARGS, c_tanh_doc},
-    {NULL,              NULL}           /* sentinel */
+    CMATH_ACOS_METHODDEF
+    CMATH_ACOSH_METHODDEF
+    CMATH_ASIN_METHODDEF
+    CMATH_ASINH_METHODDEF
+    CMATH_ATAN_METHODDEF
+    CMATH_ATANH_METHODDEF
+    CMATH_COS_METHODDEF
+    CMATH_COSH_METHODDEF
+    CMATH_EXP_METHODDEF
+    CMATH_ISFINITE_METHODDEF
+    CMATH_ISINF_METHODDEF
+    CMATH_ISNAN_METHODDEF
+    CMATH_LOG_METHODDEF
+    CMATH_LOG10_METHODDEF
+    CMATH_PHASE_METHODDEF
+    CMATH_POLAR_METHODDEF
+    CMATH_RECT_METHODDEF
+    CMATH_SIN_METHODDEF
+    CMATH_SINH_METHODDEF
+    CMATH_SQRT_METHODDEF
+    CMATH_TAN_METHODDEF
+    CMATH_TANH_METHODDEF
+    {NULL, NULL}  /* sentinel */
 };
 
 
diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index c729414..f53ea3f 100644
--- a/Modules/faulthandler.c
+++ b/Modules/faulthandler.c
@@ -5,7 +5,13 @@
 #include <frameobject.h>
 #include <signal.h>
 #if defined(HAVE_PTHREAD_SIGMASK) && !defined(HAVE_BROKEN_PTHREAD_SIGMASK)
-#include <pthread.h>
+#  include <pthread.h>
+#endif
+#ifdef MS_WINDOWS
+#  include <windows.h>
+#endif
+#ifdef HAVE_SYS_RESOURCE_H
+#  include <sys/resource.h>
 #endif
 
 /* Allocate at maximum 100 MB of the stack to raise the stack overflow */
@@ -22,9 +28,7 @@
 #  define FAULTHANDLER_USER
 #endif
 
-/* cast size_t to int because write() takes an int on Windows
-   (anyway, the length is smaller than 30 characters) */
-#define PUTS(fd, str) write(fd, str, (int)strlen(str))
+#define PUTS(fd, str) _Py_write_noraise(fd, str, strlen(str))
 
 _Py_IDENTIFIER(enable);
 _Py_IDENTIFIER(fileno);
@@ -127,32 +131,46 @@ static stack_t stack;
    call its flush() method.
 
    If file is NULL or Py_None, use sys.stderr as the new file.
+   If file is an integer, it will be treated as file descriptor.
 
-   On success, return the new file and write the file descriptor into *p_fd.
-   On error, return NULL. */
+   On success, return the file descriptor and write the new file into *file_ptr.
+   On error, return -1. */
 
-static PyObject*
-faulthandler_get_fileno(PyObject *file, int *p_fd)
+static int
+faulthandler_get_fileno(PyObject **file_ptr)
 {
     PyObject *result;
     long fd_long;
     int fd;
+    PyObject *file = *file_ptr;
 
     if (file == NULL || file == Py_None) {
         file = _PySys_GetObjectId(&PyId_stderr);
         if (file == NULL) {
             PyErr_SetString(PyExc_RuntimeError, "unable to get sys.stderr");
-            return NULL;
+            return -1;
         }
         if (file == Py_None) {
             PyErr_SetString(PyExc_RuntimeError, "sys.stderr is None");
-            return NULL;
+            return -1;
         }
     }
+    else if (PyLong_Check(file)) {
+        fd = _PyLong_AsInt(file);
+        if (fd == -1 && PyErr_Occurred())
+            return -1;
+        if (fd < 0 || !_PyVerify_fd(fd)) {
+            PyErr_SetString(PyExc_ValueError,
+                            "file is not a valid file descripter");
+            return -1;
+        }
+        *file_ptr = NULL;
+        return fd;
+    }
 
     result = _PyObject_CallMethodId(file, &PyId_fileno, "");
     if (result == NULL)
-        return NULL;
+        return -1;
 
     fd = -1;
     if (PyLong_Check(result)) {
@@ -165,7 +183,7 @@ faulthandler_get_fileno(PyObject *file, int *p_fd)
     if (fd == -1) {
         PyErr_SetString(PyExc_RuntimeError,
                         "file.fileno() is not a valid file descriptor");
-        return NULL;
+        return -1;
     }
 
     result = _PyObject_CallMethodId(file, &PyId_flush, "");
@@ -175,8 +193,8 @@ faulthandler_get_fileno(PyObject *file, int *p_fd)
         /* ignore flush() error */
         PyErr_Clear();
     }
-    *p_fd = fd;
-    return file;
+    *file_ptr = file;
+    return fd;
 }
 
 /* Get the state of the current thread: only call this function if the current
@@ -193,6 +211,42 @@ get_thread_state(void)
     return tstate;
 }
 
+static void
+faulthandler_dump_traceback(int fd, int all_threads,
+                            PyInterpreterState *interp)
+{
+    static volatile int reentrant = 0;
+    PyThreadState *tstate;
+
+    if (reentrant)
+        return;
+
+    reentrant = 1;
+
+#ifdef WITH_THREAD
+    /* SIGSEGV, SIGFPE, SIGABRT, SIGBUS and SIGILL are synchronous signals and
+       are thus delivered to the thread that caused the fault. Get the Python
+       thread state of the current thread.
+
+       PyThreadState_Get() doesn't give the state of the thread that caused the
+       fault if the thread released the GIL, and so this function cannot be
+       used. Read the thread local storage (TLS) instead: call
+       PyGILState_GetThisThreadState(). */
+    tstate = PyGILState_GetThisThreadState();
+#else
+    tstate = PyThreadState_Get();
+#endif
+
+    if (all_threads)
+        _Py_DumpTracebackThreads(fd, interp, tstate);
+    else {
+        if (tstate != NULL)
+            _Py_DumpTraceback(fd, tstate);
+    }
+
+    reentrant = 0;
+}
+
 static PyObject*
 faulthandler_dump_traceback_py(PyObject *self,
                                PyObject *args, PyObject *kwargs)
@@ -209,8 +263,8 @@ faulthandler_dump_traceback_py(PyObject *self,
         &file, &all_threads))
         return NULL;
 
-    file = faulthandler_get_fileno(file, &fd);
-    if (file == NULL)
+    fd = faulthandler_get_fileno(&file);
+    if (fd < 0)
         return NULL;
 
     tstate = get_thread_state();
@@ -227,6 +281,10 @@ faulthandler_dump_traceback_py(PyObject *self,
     else {
         _Py_DumpTraceback(fd, tstate);
     }
+
+    if (PyErr_CheckSignals())
+        return NULL;
+
     Py_RETURN_NONE;
 }
 
@@ -250,7 +308,6 @@ faulthandler_fatal_error(int signum)
     const int fd = fatal_error.fd;
     unsigned int i;
     fault_handler_t *handler = NULL;
-    PyThreadState *tstate;
     int save_errno = errno;
 
     if (!fatal_error.enabled)
@@ -278,26 +335,8 @@ faulthandler_fatal_error(int signum)
     PUTS(fd, handler->name);
     PUTS(fd, "\n\n");
 
-#ifdef WITH_THREAD
-    /* SIGSEGV, SIGFPE, SIGABRT, SIGBUS and SIGILL are synchronous signals and
-       are thus delivered to the thread that caused the fault. Get the Python
-       thread state of the current thread.
-
-       PyThreadState_Get() doesn't give the state of the thread that caused the
-       fault if the thread released the GIL, and so this function cannot be
-       used. Read the thread local storage (TLS) instead: call
-       PyGILState_GetThisThreadState(). */
-    tstate = PyGILState_GetThisThreadState();
-#else
-    tstate = PyThreadState_Get();
-#endif
-
-    if (fatal_error.all_threads)
-        _Py_DumpTracebackThreads(fd, fatal_error.interp, tstate);
-    else {
-        if (tstate != NULL)
-            _Py_DumpTraceback(fd, tstate);
-    }
+    faulthandler_dump_traceback(fd, fatal_error.all_threads,
+                                fatal_error.interp);
 
     errno = save_errno;
 #ifdef MS_WINDOWS
@@ -333,8 +372,8 @@ faulthandler_enable(PyObject *self, PyObject *args, PyObject *kwargs)
         "|Oi:enable", kwlist, &file, &all_threads))
         return NULL;
 
-    file = faulthandler_get_fileno(file, &fd);
-    if (file == NULL)
+    fd = faulthandler_get_fileno(&file);
+    if (fd < 0)
         return NULL;
 
     tstate = get_thread_state();
@@ -342,7 +381,7 @@ faulthandler_enable(PyObject *self, PyObject *args, PyObject *kwargs)
         return NULL;
 
     Py_XDECREF(fatal_error.file);
-    Py_INCREF(file);
+    Py_XINCREF(file);
     fatal_error.file = file;
     fatal_error.fd = fd;
     fatal_error.all_threads = all_threads;
@@ -452,9 +491,9 @@ faulthandler_thread(void *unused)
         assert(st == PY_LOCK_FAILURE);
 
         /* get the thread holding the GIL, NULL if no thread hold the GIL */
-        current = _Py_atomic_load_relaxed(&_PyThreadState_Current);
+        current = (PyThreadState*)_Py_atomic_load_relaxed(&_PyThreadState_Current);
 
-        write(thread.fd, thread.header, (int)thread.header_len);
+        _Py_write_noraise(thread.fd, thread.header, (int)thread.header_len);
 
         errmsg = _Py_DumpTracebackThreads(thread.fd, thread.interp, current);
         ok = (errmsg == NULL);
@@ -547,8 +586,8 @@ faulthandler_dump_traceback_later(PyObject *self,
     if (tstate == NULL)
         return NULL;
 
-    file = faulthandler_get_fileno(file, &fd);
-    if (file == NULL)
+    fd = faulthandler_get_fileno(&file);
+    if (fd < 0)
         return NULL;
 
     /* format the timeout */
@@ -561,7 +600,7 @@ faulthandler_dump_traceback_later(PyObject *self,
     cancel_dump_traceback_later();
 
     Py_XDECREF(thread.file);
-    Py_INCREF(file);
+    Py_XINCREF(file);
     thread.file = file;
     thread.fd = fd;
     thread.timeout_us = timeout_us;
@@ -640,28 +679,14 @@ static void
 faulthandler_user(int signum)
 {
     user_signal_t *user;
-    PyThreadState *tstate;
     int save_errno = errno;
 
     user = &user_signals[signum];
     if (!user->enabled)
         return;
 
-#ifdef WITH_THREAD
-    /* PyThreadState_Get() doesn't give the state of the current thread if
-       the thread doesn't hold the GIL. Read the thread local storage (TLS)
-       instead: call PyGILState_GetThisThreadState(). */
-    tstate = PyGILState_GetThisThreadState();
-#else
-    tstate = PyThreadState_Get();
-#endif
+    faulthandler_dump_traceback(user->fd, user->all_threads, user->interp);
 
-    if (user->all_threads)
-        _Py_DumpTracebackThreads(user->fd, user->interp, tstate);
-    else {
-        if (tstate != NULL)
-            _Py_DumpTraceback(user->fd, tstate);
-    }
 #ifdef HAVE_SIGACTION
     if (user->chain) {
         (void)sigaction(signum, &user->previous, NULL);
@@ -731,8 +756,8 @@ faulthandler_register_py(PyObject *self,
     if (tstate == NULL)
         return NULL;
 
-    file = faulthandler_get_fileno(file, &fd);
-    if (file == NULL)
+    fd = faulthandler_get_fileno(&file);
+    if (fd < 0)
         return NULL;
 
     if (user_signals == NULL) {
@@ -754,7 +779,7 @@ faulthandler_register_py(PyObject *self,
     }
 
     Py_XDECREF(user->file);
-    Py_INCREF(file);
+    Py_XINCREF(file);
     user->file = file;
     user->fd = fd;
     user->all_threads = all_threads;
@@ -804,12 +829,41 @@ faulthandler_unregister_py(PyObject *self, PyObject *args)
 #endif   /* FAULTHANDLER_USER */
 
 
+static void
+faulthandler_suppress_crash_report(void)
+{
+#ifdef MS_WINDOWS
+    UINT mode;
+
+    /* Configure Windows to not display the Windows Error Reporting dialog */
+    mode = SetErrorMode(SEM_NOGPFAULTERRORBOX);
+    SetErrorMode(mode | SEM_NOGPFAULTERRORBOX);
+#endif
+
+#ifdef HAVE_SYS_RESOURCE_H
+    struct rlimit rl;
+
+    /* Disable creation of core dump */
+    if (getrlimit(RLIMIT_CORE, &rl) != 0) {
+        rl.rlim_cur = 0;
+        setrlimit(RLIMIT_CORE, &rl);
+    }
+#endif
+
+#ifdef _MSC_VER
+    /* Visual Studio: configure abort() to not display an error message nor
+       open a popup asking to report the fault. */
+    _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
+#endif
+}
+
 static PyObject *
 faulthandler_read_null(PyObject *self, PyObject *args)
 {
     volatile int *x;
     volatile int y;
 
+    faulthandler_suppress_crash_report();
     x = NULL;
     y = *x;
     return PyLong_FromLong(y);
@@ -819,6 +873,7 @@ faulthandler_read_null(PyObject *self, PyObject *args)
 static void
 faulthandler_raise_sigsegv(void)
 {
+    faulthandler_suppress_crash_report();
 #if defined(MS_WINDOWS)
     /* For SIGSEGV, faulthandler_fatal_error() restores the previous signal
        handler and then gives back the execution flow to the program (without
@@ -861,6 +916,7 @@ faulthandler_sigfpe(PyObject *self, PyObject *args)
     /* Do an integer division by zero: raise a SIGFPE on Intel CPU, but not on
        PowerPC. Use volatile to disable compile-time optimizations. */
     volatile int x = 1, y = 0, z;
+    faulthandler_suppress_crash_report();
     z = x / y;
     /* If the division by zero didn't raise a SIGFPE (e.g. on PowerPC),
        raise it manually. */
@@ -873,39 +929,18 @@ faulthandler_sigfpe(PyObject *self, PyObject *args)
 static PyObject *
 faulthandler_sigabrt(PyObject *self, PyObject *args)
 {
-#ifdef _MSC_VER
-    /* Visual Studio: configure abort() to not display an error message nor
-       open a popup asking to report the fault. */
-    _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
-#endif
+    faulthandler_suppress_crash_report();
     abort();
     Py_RETURN_NONE;
 }
 
-#ifdef SIGBUS
-static PyObject *
-faulthandler_sigbus(PyObject *self, PyObject *args)
-{
-    raise(SIGBUS);
-    Py_RETURN_NONE;
-}
-#endif
-
-#ifdef SIGILL
-static PyObject *
-faulthandler_sigill(PyObject *self, PyObject *args)
-{
-    raise(SIGILL);
-    Py_RETURN_NONE;
-}
-#endif
-
 static PyObject *
 faulthandler_fatal_error_py(PyObject *self, PyObject *args)
 {
     char *message;
     if (!PyArg_ParseTuple(args, "y:fatal_error", &message))
         return NULL;
+    faulthandler_suppress_crash_report();
     Py_FatalError(message);
     Py_RETURN_NONE;
 }
@@ -939,6 +974,7 @@ faulthandler_stack_overflow(PyObject *self)
     Py_uintptr_t sp = (Py_uintptr_t)&depth;
     Py_uintptr_t stop;
 
+    faulthandler_suppress_crash_report();
     depth = 0;
     stop = stack_overflow(sp - STACK_OVERFLOW_MAX_SIZE,
                           sp + STACK_OVERFLOW_MAX_SIZE,
@@ -1028,14 +1064,6 @@ static PyMethodDef module_methods[] = {
      PyDoc_STR("_sigabrt(): raise a SIGABRT signal")},
     {"_sigfpe", (PyCFunction)faulthandler_sigfpe, METH_NOARGS,
      PyDoc_STR("_sigfpe(): raise a SIGFPE signal")},
-#ifdef SIGBUS
-    {"_sigbus", (PyCFunction)faulthandler_sigbus, METH_NOARGS,
-     PyDoc_STR("_sigbus(): raise a SIGBUS signal")},
-#endif
-#ifdef SIGILL
-    {"_sigill", (PyCFunction)faulthandler_sigill, METH_NOARGS,
-     PyDoc_STR("_sigill(): raise a SIGILL signal")},
-#endif
     {"_fatal_error", faulthandler_fatal_error_py, METH_VARARGS,
      PyDoc_STR("_fatal_error(message): call Py_FatalError(message)")},
 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION)
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 9325940..97ff07c 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -15,6 +15,11 @@
 #include <stropts.h>
 #endif
 
+/*[clinic input]
+module fcntl
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=124b58387c158179]*/
+
 static int
 conv_descriptor(PyObject *object, int *target)
 {
@@ -26,48 +31,72 @@ conv_descriptor(PyObject *object, int *target)
     return 1;
 }
 
+/* Must come after conv_descriptor definition. */
+#include "clinic/fcntlmodule.c.h"
+
+/*[clinic input]
+fcntl.fcntl
+
+    fd: object(type='int', converter='conv_descriptor')
+    cmd as code: int
+    arg: object(c_default='NULL') = 0
+    /
 
-/* fcntl(fd, op, [arg]) */
+Perform the operation `cmd` on file descriptor fd.
+
+The values used for `cmd` are operating system dependent, and are available
+as constants in the fcntl module, using the same names as used in
+the relevant C header files.  The argument arg is optional, and
+defaults to 0; it may be an int or a string.  If arg is given as a string,
+the return value of fcntl is a string of that length, containing the
+resulting value put in the arg buffer by the operating system.  The length
+of the arg string is not allowed to exceed 1024 bytes.  If the arg given
+is an integer or if none is specified, the result value is an integer
+corresponding to the return value of the fcntl call in the C code.
+[clinic start generated code]*/
 
 static PyObject *
-fcntl_fcntl(PyObject *self, PyObject *args)
+fcntl_fcntl_impl(PyModuleDef *module, int fd, int code, PyObject *arg)
+/*[clinic end generated code: output=afc5bfa74a03ef0d input=8cefbe59b29efbe2]*/
 {
-    int fd;
-    int code;
-    int arg;
+    unsigned int int_arg = 0;
     int ret;
     char *str;
     Py_ssize_t len;
     char buf[1024];
 
-    if (PyArg_ParseTuple(args, "O&is#:fcntl",
-                         conv_descriptor, &fd, &code, &str, &len)) {
-        if (len > sizeof buf) {
-            PyErr_SetString(PyExc_ValueError,
-                            "fcntl string arg too long");
-            return NULL;
+    if (arg != NULL) {
+        int parse_result;
+
+        if (PyArg_Parse(arg, "s#", &str, &len)) {
+            if ((size_t)len > sizeof buf) {
+                PyErr_SetString(PyExc_ValueError,
+                                "fcntl string arg too long");
+                return NULL;
+            }
+            memcpy(buf, str, len);
+            Py_BEGIN_ALLOW_THREADS
+            ret = fcntl(fd, code, buf);
+            Py_END_ALLOW_THREADS
+            if (ret < 0) {
+                PyErr_SetFromErrno(PyExc_IOError);
+                return NULL;
+            }
+            return PyBytes_FromStringAndSize(buf, len);
         }
-        memcpy(buf, str, len);
-        Py_BEGIN_ALLOW_THREADS
-        ret = fcntl(fd, code, buf);
-        Py_END_ALLOW_THREADS
-        if (ret < 0) {
-            PyErr_SetFromErrno(PyExc_IOError);
-            return NULL;
+
+        PyErr_Clear();
+        parse_result = PyArg_Parse(arg,
+            "I;fcntl requires a file or file descriptor,"
+            " an integer and optionally a third integer or a string",
+            &int_arg);
+        if (!parse_result) {
+          return NULL;
         }
-        return PyBytes_FromStringAndSize(buf, len);
     }
 
-    PyErr_Clear();
-    arg = 0;
-    if (!PyArg_ParseTuple(args,
-         "O&i|I;fcntl requires a file or file descriptor,"
-         " an integer and optionally a third integer or a string",
-                          conv_descriptor, &fd, &code, &arg)) {
-      return NULL;
-    }
     Py_BEGIN_ALLOW_THREADS
-    ret = fcntl(fd, code, arg);
+    ret = fcntl(fd, code, (int)int_arg);
     Py_END_ALLOW_THREADS
     if (ret < 0) {
         PyErr_SetFromErrno(PyExc_IOError);
@@ -76,33 +105,54 @@ fcntl_fcntl(PyObject *self, PyObject *args)
     return PyLong_FromLong((long)ret);
 }
 
-PyDoc_STRVAR(fcntl_doc,
-"fcntl(fd, op, [arg])\n\
-\n\
-Perform the operation op on file descriptor fd.  The values used\n\
-for op are operating system dependent, and are available\n\
-as constants in the fcntl module, using the same names as used in\n\
-the relevant C header files.  The argument arg is optional, and\n\
-defaults to 0; it may be an int or a string.  If arg is given as a string,\n\
-the return value of fcntl is a string of that length, containing the\n\
-resulting value put in the arg buffer by the operating system.  The length\n\
-of the arg string is not allowed to exceed 1024 bytes.  If the arg given\n\
-is an integer or if none is specified, the result value is an integer\n\
-corresponding to the return value of the fcntl call in the C code.");
 
+/*[clinic input]
+fcntl.ioctl
+
+    fd: object(type='int', converter='conv_descriptor')
+    request as code: unsigned_int(bitwise=True)
+    arg as ob_arg: object(c_default='NULL') = 0
+    mutate_flag as mutate_arg: bool = True
+    /
 
-/* ioctl(fd, op, [arg]) */
+Perform the operation `request` on file descriptor `fd`.
+
+The values used for `request` are operating system dependent, and are available
+as constants in the fcntl or termios library modules, using the same names as
+used in the relevant C header files.
+
+The argument `arg` is optional, and defaults to 0; it may be an int or a
+buffer containing character data (most likely a string or an array).
+
+If the argument is a mutable buffer (such as an array) and if the
+mutate_flag argument (which is only allowed in this case) is true then the
+buffer is (in effect) passed to the operating system and changes made by
+the OS will be reflected in the contents of the buffer after the call has
+returned.  The return value is the integer returned by the ioctl system
+call.
+
+If the argument is a mutable buffer and the mutable_flag argument is false,
+the behavior is as if a string had been passed.
+
+If the argument is an immutable buffer (most likely a string) then a copy
+of the buffer is passed to the operating system and the return value is a
+string of the same length containing whatever the operating system put in
+the buffer.  The length of the arg buffer in this case is not allowed to
+exceed 1024 bytes.
+
+If the arg given is an integer or if none is specified, the result value is
+an integer corresponding to the return value of the ioctl call in the C
+code.
+[clinic start generated code]*/
 
 static PyObject *
-fcntl_ioctl(PyObject *self, PyObject *args)
+fcntl_ioctl_impl(PyModuleDef *module, int fd, unsigned int code,
+                 PyObject *ob_arg, int mutate_arg)
+/*[clinic end generated code: output=102faa0f7ebe2210 input=ede70c433cccbbb2]*/
 {
 #define IOCTL_BUFSZ 1024
-    int fd;
-    /* In PyArg_ParseTuple below, we use the unsigned non-checked 'I'
-       format for the 'code' parameter because Python turns 0x8000000
-       into either a large positive number (PyLong or PyInt on 64-bit
-       platforms) or a negative number on others (32-bit PyInt)
-       whereas the system expects it to be a 32bit bit field value
+    /* We use the unsigned non-checked 'I' format for the 'code' parameter
+       because the system expects it to be a 32bit bit field value
        regardless of it being passed as an int or unsigned long on
        various platforms.  See the termios.TIOCSWINSZ constant across
        platforms for an example of this.
@@ -111,101 +161,98 @@ fcntl_ioctl(PyObject *self, PyObject *args)
        in their unsigned long ioctl codes this will break and need
        special casing based on the platform being built on.
      */
-    unsigned int code;
-    int arg;
+    int arg = 0;
     int ret;
     Py_buffer pstr;
     char *str;
     Py_ssize_t len;
-    int mutate_arg = 1;
     char buf[IOCTL_BUFSZ+1];  /* argument plus NUL byte */
 
-    if (PyArg_ParseTuple(args, "O&Iw*|i:ioctl",
-                         conv_descriptor, &fd, &code,
-                         &pstr, &mutate_arg)) {
-        char *arg;
-        str = pstr.buf;
-        len = pstr.len;
-
-        if (mutate_arg) {
-            if (len <= IOCTL_BUFSZ) {
-                memcpy(buf, str, len);
-                buf[len] = '\0';
-                arg = buf;
+    if (ob_arg != NULL) {
+        if (PyArg_Parse(ob_arg, "w*:ioctl", &pstr)) {
+            char *arg;
+            str = pstr.buf;
+            len = pstr.len;
+
+            if (mutate_arg) {
+                if (len <= IOCTL_BUFSZ) {
+                    memcpy(buf, str, len);
+                    buf[len] = '\0';
+                    arg = buf;
+                }
+                else {
+                    arg = str;
+                }
+            }
+            else {
+                if (len > IOCTL_BUFSZ) {
+                    PyBuffer_Release(&pstr);
+                    PyErr_SetString(PyExc_ValueError,
+                        "ioctl string arg too long");
+                    return NULL;
+                }
+                else {
+                    memcpy(buf, str, len);
+                    buf[len] = '\0';
+                    arg = buf;
+                }
+            }
+            if (buf == arg) {
+                Py_BEGIN_ALLOW_THREADS /* think array.resize() */
+                ret = ioctl(fd, code, arg);
+                Py_END_ALLOW_THREADS
+            }
+            else {
+                ret = ioctl(fd, code, arg);
+            }
+            if (mutate_arg && (len <= IOCTL_BUFSZ)) {
+                memcpy(str, buf, len);
+            }
+            PyBuffer_Release(&pstr); /* No further access to str below this point */
+            if (ret < 0) {
+                PyErr_SetFromErrno(PyExc_IOError);
+                return NULL;
+            }
+            if (mutate_arg) {
+                return PyLong_FromLong(ret);
             }
             else {
-                arg = str;
+                return PyBytes_FromStringAndSize(buf, len);
             }
         }
-        else {
+
+        PyErr_Clear();
+        if (PyArg_Parse(ob_arg, "s*:ioctl", &pstr)) {
+            str = pstr.buf;
+            len = pstr.len;
             if (len > IOCTL_BUFSZ) {
                 PyBuffer_Release(&pstr);
                 PyErr_SetString(PyExc_ValueError,
-                    "ioctl string arg too long");
+                                "ioctl string arg too long");
                 return NULL;
             }
-            else {
-                memcpy(buf, str, len);
-                buf[len] = '\0';
-                arg = buf;
-            }
-        }
-        if (buf == arg) {
-            Py_BEGIN_ALLOW_THREADS /* think array.resize() */
-            ret = ioctl(fd, code, arg);
+            memcpy(buf, str, len);
+            buf[len] = '\0';
+            Py_BEGIN_ALLOW_THREADS
+            ret = ioctl(fd, code, buf);
             Py_END_ALLOW_THREADS
-        }
-        else {
-            ret = ioctl(fd, code, arg);
-        }
-        if (mutate_arg && (len <= IOCTL_BUFSZ)) {
-            memcpy(str, buf, len);
-        }
-        PyBuffer_Release(&pstr); /* No further access to str below this point */
-        if (ret < 0) {
-            PyErr_SetFromErrno(PyExc_IOError);
-            return NULL;
-        }
-        if (mutate_arg) {
-            return PyLong_FromLong(ret);
-        }
-        else {
+            if (ret < 0) {
+                PyBuffer_Release(&pstr);
+                PyErr_SetFromErrno(PyExc_IOError);
+                return NULL;
+            }
+            PyBuffer_Release(&pstr);
             return PyBytes_FromStringAndSize(buf, len);
         }
-    }
 
-    PyErr_Clear();
-    if (PyArg_ParseTuple(args, "O&Is*:ioctl",
-                         conv_descriptor, &fd, &code, &pstr)) {
-        str = pstr.buf;
-        len = pstr.len;
-        if (len > IOCTL_BUFSZ) {
-            PyBuffer_Release(&pstr);
-            PyErr_SetString(PyExc_ValueError,
-                            "ioctl string arg too long");
-            return NULL;
+        PyErr_Clear();
+        if (!PyArg_Parse(ob_arg,
+             "i;ioctl requires a file or file descriptor,"
+             " an integer and optionally an integer or buffer argument",
+             &arg)) {
+          return NULL;
         }
-        memcpy(buf, str, len);
-        buf[len] = '\0';
-        Py_BEGIN_ALLOW_THREADS
-        ret = ioctl(fd, code, buf);
-        Py_END_ALLOW_THREADS
-        if (ret < 0) {
-            PyBuffer_Release(&pstr);
-            PyErr_SetFromErrno(PyExc_IOError);
-            return NULL;
-        }
-        PyBuffer_Release(&pstr);
-        return PyBytes_FromStringAndSize(buf, len);
-    }
-
-    PyErr_Clear();
-    arg = 0;
-    if (!PyArg_ParseTuple(args,
-         "O&I|i;ioctl requires a file or file descriptor,"
-         " an integer and optionally an integer or buffer argument",
-                          conv_descriptor, &fd, &code, &arg)) {
-      return NULL;
+        // Fall-through to outside the 'if' statement.
     }
     Py_BEGIN_ALLOW_THREADS
     ret = ioctl(fd, code, arg);
@@ -218,52 +265,25 @@ fcntl_ioctl(PyObject *self, PyObject *args)
 #undef IOCTL_BUFSZ
 }
 
-PyDoc_STRVAR(ioctl_doc,
-"ioctl(fd, op[, arg[, mutate_flag]])\n\
-\n\
-Perform the operation op on file descriptor fd.  The values used for op\n\
-are operating system dependent, and are available as constants in the\n\
-fcntl or termios library modules, using the same names as used in the\n\
-relevant C header files.\n\
-\n\
-The argument arg is optional, and defaults to 0; it may be an int or a\n\
-buffer containing character data (most likely a string or an array). \n\
-\n\
-If the argument is a mutable buffer (such as an array) and if the\n\
-mutate_flag argument (which is only allowed in this case) is true then the\n\
-buffer is (in effect) passed to the operating system and changes made by\n\
-the OS will be reflected in the contents of the buffer after the call has\n\
-returned.  The return value is the integer returned by the ioctl system\n\
-call.\n\
-\n\
-If the argument is a mutable buffer and the mutable_flag argument is not\n\
-passed or is false, the behavior is as if a string had been passed.  This\n\
-behavior will change in future releases of Python.\n\
-\n\
-If the argument is an immutable buffer (most likely a string) then a copy\n\
-of the buffer is passed to the operating system and the return value is a\n\
-string of the same length containing whatever the operating system put in\n\
-the buffer.  The length of the arg buffer in this case is not allowed to\n\
-exceed 1024 bytes.\n\
-\n\
-If the arg given is an integer or if none is specified, the result value is\n\
-an integer corresponding to the return value of the ioctl call in the C\n\
-code.");
-
-
-/* flock(fd, operation) */
+/*[clinic input]
+fcntl.flock
+
+    fd: object(type='int', converter='conv_descriptor')
+    operation as code: int
+    /
+
+Perform the lock operation `operation` on file descriptor `fd`.
+
+See the Unix manual page for flock(2) for details (On some systems, this
+function is emulated using fcntl()).
+[clinic start generated code]*/
 
 static PyObject *
-fcntl_flock(PyObject *self, PyObject *args)
+fcntl_flock_impl(PyModuleDef *module, int fd, int code)
+/*[clinic end generated code: output=c9035133a7dbfc96 input=b70a0a41ca22a8a0]*/
 {
-    int fd;
-    int code;
     int ret;
 
-    if (!PyArg_ParseTuple(args, "O&i:flock",
-                          conv_descriptor, &fd, &code))
-        return NULL;
-
 #ifdef HAVE_FLOCK
     Py_BEGIN_ALLOW_THREADS
     ret = flock(fd, code);
@@ -299,29 +319,50 @@ fcntl_flock(PyObject *self, PyObject *args)
         PyErr_SetFromErrno(PyExc_IOError);
         return NULL;
     }
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(flock_doc,
-"flock(fd, operation)\n\
-\n\
-Perform the lock operation op on file descriptor fd.  See the Unix \n\
-manual page for flock(2) for details.  (On some systems, this function is\n\
-emulated using fcntl().)");
 
+/*[clinic input]
+fcntl.lockf
+
+    fd: object(type='int', converter='conv_descriptor')
+    cmd as code: int
+    len as lenobj: object(c_default='NULL') = 0
+    start as startobj: object(c_default='NULL') = 0
+    whence: int = 0
+    /
+
+A wrapper around the fcntl() locking calls.
+
+`fd` is the file descriptor of the file to lock or unlock, and operation is one
+of the following values:
+
+    LOCK_UN - unlock
+    LOCK_SH - acquire a shared lock
+    LOCK_EX - acquire an exclusive lock
+
+When operation is LOCK_SH or LOCK_EX, it can also be bitwise ORed with
+LOCK_NB to avoid blocking on lock acquisition.  If LOCK_NB is used and the
+lock cannot be acquired, an IOError will be raised and the exception will
+have an errno attribute set to EACCES or EAGAIN (depending on the operating
+system -- for portability, check for either value).
+
+`len` is the number of bytes to lock, with the default meaning to lock to
+EOF.  `start` is the byte offset, relative to `whence`, to that the lock
+starts.  `whence` is as with fileobj.seek(), specifically:
+
+    0 - relative to the start of the file (SEEK_SET)
+    1 - relative to the current buffer position (SEEK_CUR)
+    2 - relative to the end of the file (SEEK_END)
+[clinic start generated code]*/
 
-/* lockf(fd, operation) */
 static PyObject *
-fcntl_lockf(PyObject *self, PyObject *args)
+fcntl_lockf_impl(PyModuleDef *module, int fd, int code, PyObject *lenobj,
+                 PyObject *startobj, int whence)
+/*[clinic end generated code: output=31af35eba08b9af7 input=9c594391de821f24]*/
 {
-    int fd, code, ret, whence = 0;
-    PyObject *lenobj = NULL, *startobj = NULL;
-
-    if (!PyArg_ParseTuple(args, "O&i|OOi:lockf",
-                          conv_descriptor, &fd, &code,
-                          &lenobj, &startobj, &whence))
-        return NULL;
+    int ret;
 
 #ifndef LOCK_SH
 #define LOCK_SH         1       /* shared lock */
@@ -374,43 +415,17 @@ fcntl_lockf(PyObject *self, PyObject *args)
         PyErr_SetFromErrno(PyExc_IOError);
         return NULL;
     }
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(lockf_doc,
-"lockf (fd, operation, length=0, start=0, whence=0)\n\
-\n\
-This is essentially a wrapper around the fcntl() locking calls.  fd is the\n\
-file descriptor of the file to lock or unlock, and operation is one of the\n\
-following values:\n\
-\n\
-    LOCK_UN - unlock\n\
-    LOCK_SH - acquire a shared lock\n\
-    LOCK_EX - acquire an exclusive lock\n\
-\n\
-When operation is LOCK_SH or LOCK_EX, it can also be bitwise ORed with\n\
-LOCK_NB to avoid blocking on lock acquisition.  If LOCK_NB is used and the\n\
-lock cannot be acquired, an IOError will be raised and the exception will\n\
-have an errno attribute set to EACCES or EAGAIN (depending on the operating\n\
-system -- for portability, check for either value).\n\
-\n\
-length is the number of bytes to lock, with the default meaning to lock to\n\
-EOF.  start is the byte offset, relative to whence, to that the lock\n\
-starts.  whence is as with fileobj.seek(), specifically:\n\
-\n\
-    0 - relative to the start of the file (SEEK_SET)\n\
-    1 - relative to the current buffer position (SEEK_CUR)\n\
-    2 - relative to the end of the file (SEEK_END)");
-
 /* List of functions */
 
 static PyMethodDef fcntl_methods[] = {
-    {"fcntl",           fcntl_fcntl, METH_VARARGS, fcntl_doc},
-    {"ioctl",           fcntl_ioctl, METH_VARARGS, ioctl_doc},
-    {"flock",           fcntl_flock, METH_VARARGS, flock_doc},
-    {"lockf",       fcntl_lockf, METH_VARARGS, lockf_doc},
-    {NULL,              NULL}           /* sentinel */
+    FCNTL_FCNTL_METHODDEF
+    FCNTL_IOCTL_METHODDEF
+    FCNTL_FLOCK_METHODDEF
+    FCNTL_LOCKF_METHODDEF
+    {NULL, NULL}  /* sentinel */
 };
 
 
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 9bb3666..cb7222d 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -25,6 +25,7 @@
 
 #include "Python.h"
 #include "frameobject.h"        /* for PyFrame_ClearFreeList */
+#include "pytime.h"             /* for _PyTime_GetMonotonicClock() */
 
 /* Get an object's GC head */
 #define AS_GC(o) ((PyGC_Head *)(o)-1)
@@ -166,7 +167,6 @@ static Py_ssize_t long_lived_pending = 0;
                 DEBUG_UNCOLLECTABLE | \
                 DEBUG_SAVEALL
 static int debug;
-static PyObject *tmod = NULL;
 
 /* Running stats per generation */
 struct gc_generation_stats {
@@ -894,26 +894,6 @@ clear_freelists(void)
     (void)PySet_ClearFreeList();
 }
 
-static double
-get_time(void)
-{
-    double result = 0;
-    if (tmod != NULL) {
-        _Py_IDENTIFIER(time);
-
-        PyObject *f = _PyObject_CallMethodId(tmod, &PyId_time, NULL);
-        if (f == NULL) {
-            PyErr_Clear();
-        }
-        else {
-            if (PyFloat_Check(f))
-                result = PyFloat_AsDouble(f);
-            Py_DECREF(f);
-        }
-    }
-    return result;
-}
-
 /* This is the main function.  Read this to understand how the
  * collection process works. */
 static Py_ssize_t
@@ -928,7 +908,8 @@ collect(int generation, Py_ssize_t *n_collected, Py_ssize_t *n_uncollectable,
     PyGC_Head unreachable; /* non-problematic unreachable trash */
     PyGC_Head finalizers;  /* objects with, & reachable from, __del__ */
     PyGC_Head *gc;
-    double t1 = 0.0;
+    _PyTime_t t1 = 0;   /* initialize to prevent a compiler warning */
+
     struct gc_generation_stats *stats = &generation_stats[generation];
 
     if (debug & DEBUG_STATS) {
@@ -936,9 +917,10 @@ collect(int generation, Py_ssize_t *n_collected, Py_ssize_t *n_uncollectable,
                           generation);
         PySys_WriteStderr("gc: objects in each generation:");
         for (i = 0; i < NUM_GENERATIONS; i++)
-            PySys_WriteStderr(" %" PY_FORMAT_SIZE_T "d",
+            PySys_FormatStderr(" %zd",
                               gc_list_size(GEN_HEAD(i)));
-        t1 = get_time();
+        t1 = _PyTime_GetMonotonicClock();
+
         PySys_WriteStderr("\n");
     }
 
@@ -1042,19 +1024,16 @@ collect(int generation, Py_ssize_t *n_collected, Py_ssize_t *n_uncollectable,
             debug_cycle("uncollectable", FROM_GC(gc));
     }
     if (debug & DEBUG_STATS) {
-        double t2 = get_time();
+        _PyTime_t t2 = _PyTime_GetMonotonicClock();
+
         if (m == 0 && n == 0)
             PySys_WriteStderr("gc: done");
         else
-            PySys_WriteStderr(
-                "gc: done, "
-                "%" PY_FORMAT_SIZE_T "d unreachable, "
-                "%" PY_FORMAT_SIZE_T "d uncollectable",
+            PySys_FormatStderr(
+                "gc: done, %zd unreachable, %zd uncollectable",
                 n+m, n);
-        if (t1 && t2) {
-            PySys_WriteStderr(", %.4fs elapsed", t2-t1);
-        }
-        PySys_WriteStderr(".\n");
+        PySys_WriteStderr(", %.4fs elapsed\n",
+                          _PyTime_AsSecondsDouble(t2 - t1));
     }
 
     /* Append instances in the uncollectable set to a Python
@@ -1581,18 +1560,6 @@ PyInit_gc(void)
     if (PyModule_AddObject(m, "callbacks", callbacks) < 0)
         return NULL;
 
-    /* Importing can't be done in collect() because collect()
-     * can be called via PyGC_Collect() in Py_Finalize().
-     * This wouldn't be a problem, except that <initialized> is
-     * reset to 0 before calling collect which trips up
-     * the import and triggers an assertion.
-     */
-    if (tmod == NULL) {
-        tmod = PyImport_ImportModuleNoBlock("time");
-        if (tmod == NULL)
-            PyErr_Clear();
-    }
-
 #define ADD_INT(NAME) if (PyModule_AddIntConstant(m, #NAME, NAME) < 0) return NULL
     ADD_INT(DEBUG_STATS);
     ADD_INT(DEBUG_COLLECTABLE);
@@ -1681,7 +1648,6 @@ void
 _PyGC_Fini(void)
 {
     Py_CLEAR(callbacks);
-    Py_CLEAR(tmod);
 }
 
 /* for debugging */
@@ -1715,15 +1681,19 @@ PyObject_GC_UnTrack(void *op)
         _PyObject_GC_UNTRACK(op);
 }
 
-PyObject *
-_PyObject_GC_Malloc(size_t basicsize)
+static PyObject *
+_PyObject_GC_Alloc(int use_calloc, size_t basicsize)
 {
     PyObject *op;
     PyGC_Head *g;
+    size_t size;
     if (basicsize > PY_SSIZE_T_MAX - sizeof(PyGC_Head))
         return PyErr_NoMemory();
-    g = (PyGC_Head *)PyObject_MALLOC(
-        sizeof(PyGC_Head) + basicsize);
+    size = sizeof(PyGC_Head) + basicsize;
+    if (use_calloc)
+        g = (PyGC_Head *)PyObject_Calloc(1, size);
+    else
+        g = (PyGC_Head *)PyObject_Malloc(size);
     if (g == NULL)
         return PyErr_NoMemory();
     g->gc.gc_refs = 0;
@@ -1743,6 +1713,18 @@ _PyObject_GC_Malloc(size_t basicsize)
 }
 
 PyObject *
+_PyObject_GC_Malloc(size_t basicsize)
+{
+    return _PyObject_GC_Alloc(0, basicsize);
+}
+
+PyObject *
+_PyObject_GC_Calloc(size_t basicsize)
+{
+    return _PyObject_GC_Alloc(1, basicsize);
+}
+
+PyObject *
 _PyObject_GC_New(PyTypeObject *tp)
 {
     PyObject *op = _PyObject_GC_Malloc(_PyObject_SIZE(tp));
diff --git a/Modules/getpath.c b/Modules/getpath.c
index 13e3817..03d292c 100644
--- a/Modules/getpath.c
+++ b/Modules/getpath.c
@@ -131,6 +131,23 @@ static wchar_t exec_prefix[MAXPATHLEN+1];
 static wchar_t progpath[MAXPATHLEN+1];
 static wchar_t *module_search_path = NULL;
 
+/* Get file status. Encode the path to the locale encoding. */
+
+static int
+_Py_wstat(const wchar_t* path, struct stat *buf)
+{
+    int err;
+    char *fname;
+    fname = Py_EncodeLocale(path, NULL);
+    if (fname == NULL) {
+        errno = EINVAL;
+        return -1;
+    }
+    err = stat(fname, buf);
+    PyMem_Free(fname);
+    return err;
+}
+
 static void
 reduce(wchar_t *dir)
 {
@@ -153,14 +170,14 @@ isfile(wchar_t *filename)          /* Is file, not directory */
 
 
 static int
-ismodule(wchar_t *filename)        /* Is module -- check for .pyc/.pyo too */
+ismodule(wchar_t *filename)        /* Is module -- check for .pyc too */
 {
     if (isfile(filename))
         return 1;
 
     /* Check for the compiled version of prefix. */
     if (wcslen(filename) < MAXPATHLEN) {
-        wcscat(filename, Py_OptimizeFlag ? L"o" : L"c");
+        wcscat(filename, L"c");
         if (isfile(filename))
             return 1;
     }
@@ -336,7 +353,7 @@ search_for_prefix(wchar_t *argv0_path, wchar_t *home, wchar_t *_prefix,
     joinpath(prefix, L"Modules/Setup");
     if (isfile(prefix)) {
         /* Check VPATH to see if argv0_path is in the build directory. */
-        vpath = _Py_char2wchar(VPATH, NULL);
+        vpath = Py_DecodeLocale(VPATH, NULL);
         if (vpath != NULL) {
             wcsncpy(prefix, argv0_path, MAXPATHLEN);
             prefix[MAXPATHLEN] = L'\0';
@@ -491,10 +508,10 @@ calculate_path(void)
     wchar_t *_pythonpath, *_prefix, *_exec_prefix;
     wchar_t *lib_python;
 
-    _pythonpath = _Py_char2wchar(PYTHONPATH, NULL);
-    _prefix = _Py_char2wchar(PREFIX, NULL);
-    _exec_prefix = _Py_char2wchar(EXEC_PREFIX, NULL);
-    lib_python = _Py_char2wchar("lib/python" VERSION, NULL);
+    _pythonpath = Py_DecodeLocale(PYTHONPATH, NULL);
+    _prefix = Py_DecodeLocale(PREFIX, NULL);
+    _exec_prefix = Py_DecodeLocale(EXEC_PREFIX, NULL);
+    lib_python = Py_DecodeLocale("lib/python" VERSION, NULL);
 
     if (!_pythonpath || !_prefix || !_exec_prefix || !lib_python) {
         Py_FatalError(
@@ -503,7 +520,7 @@ calculate_path(void)
     }
 
     if (_path) {
-        path_buffer = _Py_char2wchar(_path, NULL);
+        path_buffer = Py_DecodeLocale(_path, NULL);
         path = path_buffer;
     }
 
@@ -584,7 +601,7 @@ calculate_path(void)
         ** be running the interpreter in the build directory, so we use the
         ** build-directory-specific logic to find Lib and such.
         */
-        wchar_t* wbuf = _Py_char2wchar(modPath, NULL);
+        wchar_t* wbuf = Py_DecodeLocale(modPath, NULL);
         if (wbuf == NULL) {
             Py_FatalError("Cannot decode framework location");
         }
@@ -709,7 +726,7 @@ calculate_path(void)
 
     if (_rtpypath && _rtpypath[0] != '\0') {
         size_t rtpypath_len;
-        rtpypath = _Py_char2wchar(_rtpypath, &rtpypath_len);
+        rtpypath = Py_DecodeLocale(_rtpypath, &rtpypath_len);
         if (rtpypath != NULL)
             bufsz += rtpypath_len + 1;
     }
@@ -874,4 +891,3 @@ Py_GetProgramFullPath(void)
 #ifdef __cplusplus
 }
 #endif
-
diff --git a/Modules/grpmodule.c b/Modules/grpmodule.c
index da78253..403e434 100644
--- a/Modules/grpmodule.c
+++ b/Modules/grpmodule.c
@@ -6,6 +6,12 @@
 
 #include <grp.h>
 
+#include "clinic/grpmodule.c.h"
+/*[clinic input]
+module grp
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=cade63f2ed1bd9f8]*/
+
 static PyStructSequence_Field struct_group_type_fields[] = {
    {"gr_name", "group name"},
    {"gr_passwd", "password"},
@@ -76,14 +82,25 @@ mkgrent(struct group *p)
     return v;
 }
 
+/*[clinic input]
+grp.getgrgid
+
+    id: object
+
+Return the group database entry for the given numeric group ID.
+
+If id is not valid, raise KeyError.
+[clinic start generated code]*/
+
 static PyObject *
-grp_getgrgid(PyObject *self, PyObject *pyo_id)
+grp_getgrgid_impl(PyModuleDef *module, PyObject *id)
+/*[clinic end generated code: output=8a11f5fdeb8c78a0 input=15fa0e2ccf5cda25]*/
 {
     PyObject *py_int_id;
     gid_t gid;
     struct group *p;
 
-    py_int_id = PyNumber_Long(pyo_id);
+    py_int_id = PyNumber_Long(id);
     if (!py_int_id)
             return NULL;
     if (!_Py_Gid_Converter(py_int_id, &gid)) {
@@ -103,22 +120,31 @@ grp_getgrgid(PyObject *self, PyObject *pyo_id)
     return mkgrent(p);
 }
 
+/*[clinic input]
+grp.getgrnam
+
+    name: unicode
+
+Return the group database entry for the given group name.
+
+If name is not valid, raise KeyError.
+[clinic start generated code]*/
+
 static PyObject *
-grp_getgrnam(PyObject *self, PyObject *args)
+grp_getgrnam_impl(PyModuleDef *module, PyObject *name)
+/*[clinic end generated code: output=cd47511f4854da8e input=08ded29affa3c863]*/
 {
-    char *name;
+    char *name_chars;
     struct group *p;
-    PyObject *arg, *bytes, *retval = NULL;
+    PyObject *bytes, *retval = NULL;
 
-    if (!PyArg_ParseTuple(args, "U:getgrnam", &arg))
-        return NULL;
-    if ((bytes = PyUnicode_EncodeFSDefault(arg)) == NULL)
+    if ((bytes = PyUnicode_EncodeFSDefault(name)) == NULL)
         return NULL;
-    if (PyBytes_AsStringAndSize(bytes, &name, NULL) == -1)
+    if (PyBytes_AsStringAndSize(bytes, &name_chars, NULL) == -1)
         goto out;
 
-    if ((p = getgrnam(name)) == NULL) {
-        PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %s", name);
+    if ((p = getgrnam(name_chars)) == NULL) {
+        PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %s", name_chars);
         goto out;
     }
     retval = mkgrent(p);
@@ -127,8 +153,18 @@ out:
     return retval;
 }
 
+/*[clinic input]
+grp.getgrall
+
+Return a list of all available group entries, in arbitrary order.
+
+An entry whose name starts with '+' or '-' represents an instruction
+to use YP/NIS and may not be accessible via getgrnam or getgrgid.
+[clinic start generated code]*/
+
 static PyObject *
-grp_getgrall(PyObject *self, PyObject *ignore)
+grp_getgrall_impl(PyModuleDef *module)
+/*[clinic end generated code: output=add9037a20c202de input=d7df76c825c367df]*/
 {
     PyObject *d;
     struct group *p;
@@ -151,20 +187,10 @@ grp_getgrall(PyObject *self, PyObject *ignore)
 }
 
 static PyMethodDef grp_methods[] = {
-    {"getgrgid",        grp_getgrgid,   METH_O,
-     "getgrgid(id) -> (gr_name,gr_passwd,gr_gid,gr_mem)\n\
-Return the group database entry for the given numeric group ID.  If\n\
-id is not valid, raise KeyError."},
-    {"getgrnam",        grp_getgrnam,   METH_VARARGS,
-     "getgrnam(name) -> (gr_name,gr_passwd,gr_gid,gr_mem)\n\
-Return the group database entry for the given group name.  If\n\
-name is not valid, raise KeyError."},
-    {"getgrall",        grp_getgrall,   METH_NOARGS,
-     "getgrall() -> list of tuples\n\
-Return a list of all available group entries, in arbitrary order.\n\
-An entry whose name starts with '+' or '-' represents an instruction\n\
-to use YP/NIS and may not be accessible via getgrnam or getgrgid."},
-    {NULL,              NULL}           /* sentinel */
+    GRP_GETGRGID_METHODDEF
+    GRP_GETGRNAM_METHODDEF
+    GRP_GETGRALL_METHODDEF
+    {NULL, NULL}
 };
 
 PyDoc_STRVAR(grp__doc__,
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 1f42022..afff7e4 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -3874,7 +3874,7 @@ typedef struct {
 
 fast_mode:  when cnt an integer < PY_SSIZE_T_MAX and no step is specified.
 
-    assert(cnt != PY_SSIZE_T_MAX && long_cnt == NULL && long_step==PyInt(1));
+    assert(cnt != PY_SSIZE_T_MAX && long_cnt == NULL && long_step==PyLong(1));
     Advances with:  cnt += 1
     When count hits Y_SSIZE_T_MAX, switch to slow_mode.
 
diff --git a/Modules/ld_so_aix.in b/Modules/ld_so_aix.in
index 86a9f7e..961532b 100644
--- a/Modules/ld_so_aix.in
+++ b/Modules/ld_so_aix.in
@@ -5,7 +5,7 @@
 #   TYPE:           executable, uses makexp_aix
 #   SYSTEM:         AIX
 #
-#   DESCRIPTION:    Creates a shareable .o from a set of pre-compiled 
+#   DESCRIPTION:    Creates a shareable .o from a set of pre-compiled
 #                   (unshared) .o files
 #
 #   USAGE:          ld_so_aix [CC] [arguments]
@@ -46,7 +46,7 @@
 #                   4.  Uncommenting the "echo" lines gives detailed output
 #                       about the commands executed in the script.
 #
-#                       
+#
 #   HISTORY:        Oct-1996    -- Support added for multiple .o files --
 #                               -- and optional arguments processing.  --
 #                   Chris Myers (myers@tc.cornell.edu), Keith Kwok
@@ -132,7 +132,7 @@ do
 done
 
 if test "$objfile" = "libpython@VERSION@@ABIFLAGS@.so"; then
-  ldsocoremode="true" 
+  ldsocoremode="true"
 fi
 
 if test -z "$objs"; then
diff --git a/Modules/main.c b/Modules/main.c
index 87a21d7..2a9ea28 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -9,7 +9,6 @@
 #include <windows.h>
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
-#define PATH_MAX MAXPATHLEN
 #endif
 #endif
 
@@ -343,6 +342,8 @@ Py_Main(int argc, wchar_t **argv)
     int version = 0;
     int saw_unbuffered_flag = 0;
     PyCompilerFlags cf;
+    PyObject *warning_option = NULL;
+    PyObject *warning_options = NULL;
 
     cf.cf_flags = 0;
 
@@ -465,7 +466,15 @@ Py_Main(int argc, wchar_t **argv)
             break;
 
         case 'W':
-            PySys_AddWarnOption(_PyOS_optarg);
+            if (warning_options == NULL)
+                warning_options = PyList_New(0);
+            if (warning_options == NULL)
+                Py_FatalError("failure in handling of -W argument");
+            warning_option = PyUnicode_FromWideChar(_PyOS_optarg, -1);
+            if (warning_option == NULL)
+                Py_FatalError("failure in handling of -W argument");
+            PyList_Append(warning_options, warning_option);
+            Py_DECREF(warning_option);
             break;
 
         case 'X':
@@ -511,16 +520,16 @@ Py_Main(int argc, wchar_t **argv)
 #ifdef MS_WINDOWS
     if (!Py_IgnoreEnvironmentFlag && (wp = _wgetenv(L"PYTHONWARNINGS")) &&
         *wp != L'\0') {
-        wchar_t *buf, *warning;
+        wchar_t *buf, *warning, *context = NULL;
 
         buf = (wchar_t *)PyMem_RawMalloc((wcslen(wp) + 1) * sizeof(wchar_t));
         if (buf == NULL)
             Py_FatalError(
                "not enough memory to copy PYTHONWARNINGS");
         wcscpy(buf, wp);
-        for (warning = wcstok(buf, L",");
+        for (warning = wcstok_s(buf, L",", &context);
              warning != NULL;
-             warning = wcstok(NULL, L",")) {
+             warning = wcstok_s(NULL, L",", &context)) {
             PySys_AddWarnOption(warning);
         }
         PyMem_RawFree(buf);
@@ -559,6 +568,12 @@ Py_Main(int argc, wchar_t **argv)
         PyMem_RawFree(buf);
     }
 #endif
+    if (warning_options != NULL) {
+        Py_ssize_t i;
+        for (i = 0; i < PyList_GET_SIZE(warning_options); i++) {
+            PySys_AddWarnOptionUnicode(PyList_GET_ITEM(warning_options, i));
+        }
+    }
 
     if (command == NULL && module == NULL && _PyOS_optind < argc &&
         wcscmp(argv[_PyOS_optind], L"-") != 0)
@@ -631,7 +646,7 @@ Py_Main(int argc, wchar_t **argv)
             /* Used by Mac/Tools/pythonw.c to forward
              * the argv0 of the stub executable
              */
-            wchar_t* wbuf = _Py_char2wchar(pyvenv_launcher, NULL);
+            wchar_t* wbuf = Py_DecodeLocale(pyvenv_launcher, NULL);
 
             if (wbuf == NULL) {
                 Py_FatalError("Cannot decode __PYVENV_LAUNCHER__");
@@ -652,6 +667,7 @@ Py_Main(int argc, wchar_t **argv)
     Py_SetProgramName(argv[0]);
 #endif
     Py_Initialize();
+    Py_XDECREF(warning_options);
 
     if (!Py_QuietFlag && (Py_VerboseFlag ||
                         (command == NULL && filename == NULL &&
@@ -713,7 +729,7 @@ Py_Main(int argc, wchar_t **argv)
                 char *cfilename_buffer;
                 const char *cfilename;
                 int err = errno;
-                cfilename_buffer = _Py_wchar2char(filename, NULL);
+                cfilename_buffer = Py_EncodeLocale(filename, NULL);
                 if (cfilename_buffer != NULL)
                     cfilename = cfilename_buffer;
                 else
@@ -736,11 +752,12 @@ Py_Main(int argc, wchar_t **argv)
                 }
             }
             {
-                /* XXX: does this work on Win/Win64? (see posix_fstat) */
-                struct stat sb;
-                if (fstat(fileno(fp), &sb) == 0 &&
+                struct _Py_stat_struct sb;
+                if (_Py_fstat_noraise(fileno(fp), &sb) == 0 &&
                     S_ISDIR(sb.st_mode)) {
-                    fprintf(stderr, "%ls: '%ls' is a directory, cannot continue\n", argv[0], filename);
+                    fprintf(stderr,
+                            "%ls: '%ls' is a directory, cannot continue\n",
+                            argv[0], filename);
                     fclose(fp);
                     return 1;
                 }
diff --git a/Modules/makesetup b/Modules/makesetup
index 8b5cc28..90db42e 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -266,7 +266,7 @@ sed -e 's/[ 	]*#.*//' -e '/^[ 	]*$/d' |
 	*)  sed -e "
 		1i$NL/* Generated automatically from $config by makesetup. */
 		/MARKER 1/i$NL$EXTDECLS
- 
+
 		/MARKER 2/i$NL$INITBITS
 
 		" $config >config.c
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 243e2a3..153d152 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -223,6 +223,35 @@ lanczos_sum(double x)
     return num/den;
 }
 
+/* Constant for +infinity, generated in the same way as float('inf'). */
+
+static double
+m_inf(void)
+{
+#ifndef PY_NO_SHORT_FLOAT_REPR
+    return _Py_dg_infinity(0);
+#else
+    return Py_HUGE_VAL;
+#endif
+}
+
+/* Constant nan value, generated in the same way as float('nan'). */
+/* We don't currently assume that Py_NAN is defined everywhere. */
+
+#if !defined(PY_NO_SHORT_FLOAT_REPR) || defined(Py_NAN)
+
+static double
+m_nan(void)
+{
+#ifndef PY_NO_SHORT_FLOAT_REPR
+    return _Py_dg_stdnan(0);
+#else
+    return Py_NAN;
+#endif
+}
+
+#endif
+
 static double
 m_tgamma(double x)
 {
@@ -1010,7 +1039,7 @@ _fsum_realloc(double **p_ptr, Py_ssize_t  n,
     Py_ssize_t m = *m_ptr;
 
     m += m;  /* double */
-    if (n < m && m < (PY_SSIZE_T_MAX / sizeof(double))) {
+    if (n < m && (size_t)m < ((size_t)PY_SSIZE_T_MAX / sizeof(double))) {
         double *p = *p_ptr;
         if (p == ps) {
             v = PyMem_Malloc(sizeof(double) * m);
@@ -1408,6 +1437,7 @@ static PyObject *
 math_factorial(PyObject *self, PyObject *arg)
 {
     long x;
+    int overflow;
     PyObject *result, *odd_part, *two_valuation;
 
     if (PyFloat_Check(arg)) {
@@ -1421,15 +1451,22 @@ math_factorial(PyObject *self, PyObject *arg)
         lx = PyLong_FromDouble(dx);
         if (lx == NULL)
             return NULL;
-        x = PyLong_AsLong(lx);
+        x = PyLong_AsLongAndOverflow(lx, &overflow);
         Py_DECREF(lx);
     }
     else
-        x = PyLong_AsLong(arg);
+        x = PyLong_AsLongAndOverflow(arg, &overflow);
 
-    if (x == -1 && PyErr_Occurred())
+    if (x == -1 && PyErr_Occurred()) {
+        return NULL;
+    }
+    else if (overflow == 1) {
+        PyErr_Format(PyExc_OverflowError,
+                     "factorial() argument should not exceed %ld",
+                     LONG_MAX);
         return NULL;
-    if (x < 0) {
+    }
+    else if (overflow == -1 || x < 0) {
         PyErr_SetString(PyExc_ValueError,
                         "factorial() not defined for negative values");
         return NULL;
@@ -2001,7 +2038,11 @@ PyInit_math(void)
 
     PyModule_AddObject(m, "pi", PyFloat_FromDouble(Py_MATH_PI));
     PyModule_AddObject(m, "e", PyFloat_FromDouble(Py_MATH_E));
+    PyModule_AddObject(m, "inf", PyFloat_FromDouble(m_inf()));
+#if !defined(PY_NO_SHORT_FLOAT_REPR) || defined(Py_NAN)
+    PyModule_AddObject(m, "nan", PyFloat_FromDouble(m_nan()));
+#endif
 
-    finally:
+  finally:
     return m;
 }
diff --git a/Modules/md5module.c b/Modules/md5module.c
index 5cb3d36..00ee6c3 100644
--- a/Modules/md5module.c
+++ b/Modules/md5module.c
@@ -19,6 +19,11 @@
 #include "Python.h"
 #include "hashlib.h"
 
+/*[clinic input]
+module _md5
+class MD5Type "MD5object *" "&PyType_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=6e5261719957a912]*/
 
 /* Some useful types */
 
@@ -48,6 +53,7 @@ typedef struct {
     struct md5_state hash_state;
 } MD5object;
 
+#include "clinic/md5module.c.h"
 
 /* ------------------------------------------------------------------------
  *
@@ -332,30 +338,34 @@ MD5_dealloc(PyObject *ptr)
 
 /* External methods for a hash object */
 
-PyDoc_STRVAR(MD5_copy__doc__, "Return a copy of the hash object.");
+/*[clinic input]
+MD5Type.copy
+
+Return a copy of the hash object.
+[clinic start generated code]*/
 
 static PyObject *
-MD5_copy(MD5object *self, PyObject *unused)
+MD5Type_copy_impl(MD5object *self)
+/*[clinic end generated code: output=596eb36852f02071 input=2c09e6d2493f3079]*/
 {
     MD5object *newobj;
 
-    if (Py_TYPE(self) == &MD5type) {
-        if ( (newobj = newMD5object())==NULL)
-            return NULL;
-    } else {
-        if ( (newobj = newMD5object())==NULL)
-            return NULL;
-    }
+    if ((newobj = newMD5object())==NULL)
+        return NULL;
 
     newobj->hash_state = self->hash_state;
     return (PyObject *)newobj;
 }
 
-PyDoc_STRVAR(MD5_digest__doc__,
-"Return the digest value as a string of binary data.");
+/*[clinic input]
+MD5Type.digest
+
+Return the digest value as a string of binary data.
+[clinic start generated code]*/
 
 static PyObject *
-MD5_digest(MD5object *self, PyObject *unused)
+MD5Type_digest_impl(MD5object *self)
+/*[clinic end generated code: output=eb691dc4190a07ec input=7b96e65389412a34]*/
 {
     unsigned char digest[MD5_DIGESTSIZE];
     struct md5_state temp;
@@ -365,11 +375,15 @@ MD5_digest(MD5object *self, PyObject *unused)
     return PyBytes_FromStringAndSize((const char *)digest, MD5_DIGESTSIZE);
 }
 
-PyDoc_STRVAR(MD5_hexdigest__doc__,
-"Return the digest value as a string of hexadecimal digits.");
+/*[clinic input]
+MD5Type.hexdigest
+
+Return the digest value as a string of hexadecimal digits.
+[clinic start generated code]*/
 
 static PyObject *
-MD5_hexdigest(MD5object *self, PyObject *unused)
+MD5Type_hexdigest_impl(MD5object *self)
+/*[clinic end generated code: output=17badced1f3ac932 input=b60b19de644798dd]*/
 {
     unsigned char digest[MD5_DIGESTSIZE];
     struct md5_state temp;
@@ -401,18 +415,21 @@ MD5_hexdigest(MD5object *self, PyObject *unused)
     return retval;
 }
 
-PyDoc_STRVAR(MD5_update__doc__,
-"Update this hash object's state with the provided string.");
+/*[clinic input]
+MD5Type.update
+
+    obj: object
+    /
+
+Update this hash object's state with the provided string.
+[clinic start generated code]*/
 
 static PyObject *
-MD5_update(MD5object *self, PyObject *args)
+MD5Type_update(MD5object *self, PyObject *obj)
+/*[clinic end generated code: output=f6ad168416338423 input=6e1efcd9ecf17032]*/
 {
-    PyObject *obj;
     Py_buffer buf;
 
-    if (!PyArg_ParseTuple(args, "O:update", &obj))
-        return NULL;
-
     GET_BUFFER_VIEW_OR_ERROUT(obj, &buf);
 
     md5_process(&self->hash_state, buf.buf, buf.len);
@@ -423,10 +440,10 @@ MD5_update(MD5object *self, PyObject *args)
 }
 
 static PyMethodDef MD5_methods[] = {
-    {"copy",      (PyCFunction)MD5_copy,      METH_NOARGS,  MD5_copy__doc__},
-    {"digest",    (PyCFunction)MD5_digest,    METH_NOARGS,  MD5_digest__doc__},
-    {"hexdigest", (PyCFunction)MD5_hexdigest, METH_NOARGS,  MD5_hexdigest__doc__},
-    {"update",    (PyCFunction)MD5_update,    METH_VARARGS, MD5_update__doc__},
+    MD5TYPE_COPY_METHODDEF
+    MD5TYPE_DIGEST_METHODDEF
+    MD5TYPE_HEXDIGEST_METHODDEF
+    MD5TYPE_UPDATE_METHODDEF
     {NULL,        NULL}         /* sentinel */
 };
 
@@ -502,27 +519,26 @@ static PyTypeObject MD5type = {
 
 /* The single module-level function: new() */
 
-PyDoc_STRVAR(MD5_new__doc__,
-"Return a new MD5 hash object; optionally initialized with a string.");
+/*[clinic input]
+_md5.md5
+
+    string: object(c_default="NULL") = b''
+
+Return a new MD5 hash object; optionally initialized with a string.
+[clinic start generated code]*/
 
 static PyObject *
-MD5_new(PyObject *self, PyObject *args, PyObject *kwdict)
+_md5_md5_impl(PyModuleDef *module, PyObject *string)
+/*[clinic end generated code: output=3527436a2090b956 input=d12ef8f72d684f7b]*/
 {
-    static char *kwlist[] = {"string", NULL};
     MD5object *new;
-    PyObject *data_obj = NULL;
     Py_buffer buf;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist,
-                                     &data_obj)) {
-        return NULL;
-    }
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf);
+    if (string)
+        GET_BUFFER_VIEW_OR_ERROUT(string, &buf);
 
     if ((new = newMD5object()) == NULL) {
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
@@ -531,11 +547,11 @@ MD5_new(PyObject *self, PyObject *args, PyObject *kwdict)
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
-    if (data_obj) {
+    if (string) {
         md5_process(&new->hash_state, buf.buf, buf.len);
         PyBuffer_Release(&buf);
     }
@@ -547,7 +563,7 @@ MD5_new(PyObject *self, PyObject *args, PyObject *kwdict)
 /* List of functions exported by this module */
 
 static struct PyMethodDef MD5_functions[] = {
-    {"md5", (PyCFunction)MD5_new, METH_VARARGS|METH_KEYWORDS, MD5_new__doc__},
+    _MD5_MD5_METHODDEF
     {NULL,      NULL}            /* Sentinel */
 };
 
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index 1371424..c5ba4b7 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -301,16 +301,17 @@ mmap_gfind(mmap_object *self,
 {
     Py_ssize_t start = self->pos;
     Py_ssize_t end = self->size;
-    const char *needle;
-    Py_ssize_t len;
+    Py_buffer view;
 
     CHECK_VALID(NULL);
-    if (!PyArg_ParseTuple(args, reverse ? "y#|nn:rfind" : "y#|nn:find",
-                          &needle, &len, &start, &end)) {
+    if (!PyArg_ParseTuple(args, reverse ? "y*|nn:rfind" : "y*|nn:find",
+                          &view, &start, &end)) {
         return NULL;
     } else {
         const char *p, *start_p, *end_p;
         int sign = reverse ? -1 : 1;
+        const char *needle = view.buf;
+        Py_ssize_t len = view.len;
 
         if (start < 0)
             start += self->size;
@@ -335,9 +336,11 @@ mmap_gfind(mmap_object *self,
             for (i = 0; i < len && needle[i] == p[i]; ++i)
                 /* nothing */;
             if (i == len) {
+                PyBuffer_Release(&view);
                 return PyLong_FromSsize_t(p - self->data);
             }
         }
+        PyBuffer_Release(&view);
         return PyLong_FromLong(-1);
     }
 }
@@ -385,22 +388,25 @@ static PyObject *
 mmap_write_method(mmap_object *self,
                   PyObject *args)
 {
-    Py_ssize_t length;
-    char *data;
+    Py_buffer data;
 
     CHECK_VALID(NULL);
-    if (!PyArg_ParseTuple(args, "y#:write", &data, &length))
+    if (!PyArg_ParseTuple(args, "y*:write", &data))
         return(NULL);
 
-    if (!is_writable(self))
+    if (!is_writable(self)) {
+        PyBuffer_Release(&data);
         return NULL;
+    }
 
-    if ((self->pos + length) > self->size) {
+    if ((self->pos + data.len) > self->size) {
         PyErr_SetString(PyExc_ValueError, "data out of range");
+        PyBuffer_Release(&data);
         return NULL;
     }
-    memcpy(self->data+self->pos, data, length);
-    self->pos = self->pos+length;
+    memcpy(self->data + self->pos, data.buf, data.len);
+    self->pos = self->pos + data.len;
+    PyBuffer_Release(&data);
     Py_INCREF(Py_None);
     return Py_None;
 }
@@ -459,15 +465,13 @@ mmap_size_method(mmap_object *self,
 
 #ifdef UNIX
     {
-        struct stat buf;
-        if (-1 == fstat(self->fd, &buf)) {
-            PyErr_SetFromErrno(PyExc_OSError);
+        struct _Py_stat_struct status;
+        if (_Py_fstat(self->fd, &status) == -1)
             return NULL;
-        }
 #ifdef HAVE_LARGEFILE_SUPPORT
-        return PyLong_FromLongLong(buf.st_size);
+        return PyLong_FromLongLong(status.st_size);
 #else
-        return PyLong_FromLong(buf.st_size);
+        return PyLong_FromLong(status.st_size);
 #endif
     }
 #endif /* UNIX */
@@ -1106,9 +1110,7 @@ _GetMapSize(PyObject *o, const char* param)
 static PyObject *
 new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
 {
-#ifdef HAVE_FSTAT
-    struct stat st;
-#endif
+    struct _Py_stat_struct status;
     mmap_object *m_obj;
     PyObject *map_size_obj = NULL;
     Py_ssize_t map_size;
@@ -1173,32 +1175,31 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
     if (fd != -1)
         (void)fcntl(fd, F_FULLFSYNC);
 #endif
-#ifdef HAVE_FSTAT
-    if (fd != -1 && fstat(fd, &st) == 0 && S_ISREG(st.st_mode)) {
+    if (fd != -1 && _Py_fstat_noraise(fd, &status) == 0
+        && S_ISREG(status.st_mode)) {
         if (map_size == 0) {
-            if (st.st_size == 0) {
+            if (status.st_size == 0) {
                 PyErr_SetString(PyExc_ValueError,
                                 "cannot mmap an empty file");
                 return NULL;
             }
-            if (offset >= st.st_size) {
+            if (offset >= status.st_size) {
                 PyErr_SetString(PyExc_ValueError,
                                 "mmap offset is greater than file size");
                 return NULL;
             }
-            if (st.st_size - offset > PY_SSIZE_T_MAX) {
+            if (status.st_size - offset > PY_SSIZE_T_MAX) {
                 PyErr_SetString(PyExc_ValueError,
                                  "mmap length is too large");
                 return NULL;
             }
-            map_size = (Py_ssize_t) (st.st_size - offset);
-        } else if (offset + (size_t)map_size > st.st_size) {
+            map_size = (Py_ssize_t) (status.st_size - offset);
+        } else if (offset + map_size > status.st_size) {
             PyErr_SetString(PyExc_ValueError,
                             "mmap length is greater than file size");
             return NULL;
         }
     }
-#endif
     m_obj = (mmap_object *)type->tp_alloc(type, 0);
     if (m_obj == NULL) {return NULL;}
     m_obj->data = NULL;
@@ -1221,7 +1222,6 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
         fd = devzero = _Py_open("/dev/zero", O_RDWR);
         if (devzero == -1) {
             Py_DECREF(m_obj);
-            PyErr_SetFromErrno(PyExc_OSError);
             return NULL;
         }
 #endif
@@ -1325,11 +1325,13 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
      */
     if (fileno != -1 && fileno != 0) {
         /* Ensure that fileno is within the CRT's valid range */
-        if (_PyVerify_fd(fileno) == 0) {
+        if (!_PyVerify_fd(fileno)) {
             PyErr_SetFromErrno(PyExc_OSError);
             return NULL;
         }
+        _Py_BEGIN_SUPPRESS_IPH
         fh = (HANDLE)_get_osfhandle(fileno);
+        _Py_END_SUPPRESS_IPH
         if (fh==(HANDLE)-1) {
             PyErr_SetFromErrno(PyExc_OSError);
             return NULL;
diff --git a/Modules/nismodule.c b/Modules/nismodule.c
index 0af495f..64eb5db 100644
--- a/Modules/nismodule.c
+++ b/Modules/nismodule.c
@@ -456,8 +456,8 @@ static struct PyModuleDef nismodule = {
     NULL
 };
 
-PyObject*
-PyInit_nis (void)
+PyMODINIT_FUNC
+PyInit_nis(void)
 {
     PyObject *m, *d;
     m = PyModule_Create(&nismodule);
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index 2d0dd09..d2fd5c8 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -19,6 +19,7 @@
  * $Id$
  */
 
+#define PY_SSIZE_T_CLEAN
 #include "Python.h"
 #include "structmember.h"
 
@@ -51,8 +52,8 @@ typedef struct {
     char    *devicename;              /* name of the device file */
     int      fd;                      /* file descriptor */
     int      mode;                    /* file mode (O_RDONLY, etc.) */
-    int      icount;                  /* input count */
-    int      ocount;                  /* output count */
+    Py_ssize_t icount;                /* input count */
+    Py_ssize_t ocount;                /* output count */
     uint32_t afmts;                   /* audio formats supported by hardware */
 } oss_audio_t;
 
@@ -116,11 +117,8 @@ newossobject(PyObject *arg)
        provides a special ioctl() for non-blocking read/write, which is
        exposed via oss_nonblock() below. */
     fd = _Py_open(devicename, imode|O_NONBLOCK);
-
-    if (fd == -1) {
-        PyErr_SetFromErrnoWithFilename(PyExc_IOError, devicename);
+    if (fd == -1)
         return NULL;
-    }
 
     /* And (try to) put it back in blocking mode so we get the
        expected write() semantics. */
@@ -180,10 +178,8 @@ newossmixerobject(PyObject *arg)
     }
 
     fd = _Py_open(devicename, O_RDWR);
-    if (fd == -1) {
-        PyErr_SetFromErrnoWithFilename(PyExc_IOError, devicename);
+    if (fd == -1)
         return NULL;
-    }
 
     if ((self = PyObject_New(oss_mixer_t, &OSSMixerType)) == NULL) {
         close(fd);
@@ -404,29 +400,25 @@ oss_post(oss_audio_t *self, PyObject *args)
 static PyObject *
 oss_read(oss_audio_t *self, PyObject *args)
 {
-    int size, count;
-    char *cp;
+    Py_ssize_t size, count;
     PyObject *rv;
 
     if (!_is_fd_valid(self->fd))
         return NULL;
 
-    if (!PyArg_ParseTuple(args, "i:read", &size))
+    if (!PyArg_ParseTuple(args, "n:read", &size))
         return NULL;
+
     rv = PyBytes_FromStringAndSize(NULL, size);
     if (rv == NULL)
         return NULL;
-    cp = PyBytes_AS_STRING(rv);
 
-    Py_BEGIN_ALLOW_THREADS
-    count = read(self->fd, cp, size);
-    Py_END_ALLOW_THREADS
-
-    if (count < 0) {
-        PyErr_SetFromErrno(PyExc_IOError);
+    count = _Py_read(self->fd, PyBytes_AS_STRING(rv), size);
+    if (count == -1) {
         Py_DECREF(rv);
         return NULL;
     }
+
     self->icount += count;
     _PyBytes_Resize(&rv, count);
     return rv;
@@ -435,33 +427,32 @@ oss_read(oss_audio_t *self, PyObject *args)
 static PyObject *
 oss_write(oss_audio_t *self, PyObject *args)
 {
-    char *cp;
-    int rv, size;
+    Py_buffer data;
+    Py_ssize_t rv;
 
     if (!_is_fd_valid(self->fd))
         return NULL;
 
-    if (!PyArg_ParseTuple(args, "y#:write", &cp, &size)) {
+    if (!PyArg_ParseTuple(args, "y*:write", &data)) {
         return NULL;
     }
 
-    Py_BEGIN_ALLOW_THREADS
-    rv = write(self->fd, cp, size);
-    Py_END_ALLOW_THREADS
+    rv = _Py_write(self->fd, data.buf, data.len);
+    PyBuffer_Release(&data);
+    if (rv == -1)
+        return NULL;
 
-    if (rv == -1) {
-        return PyErr_SetFromErrno(PyExc_IOError);
-    } else {
-        self->ocount += rv;
-    }
+    self->ocount += rv;
     return PyLong_FromLong(rv);
 }
 
 static PyObject *
 oss_writeall(oss_audio_t *self, PyObject *args)
 {
-    char *cp;
-    int rv, size;
+    Py_buffer data;
+    const char *cp;
+    Py_ssize_t size;
+    Py_ssize_t rv;
     fd_set write_set_fds;
     int select_rv;
 
@@ -475,41 +466,50 @@ oss_writeall(oss_audio_t *self, PyObject *args)
     if (!_is_fd_valid(self->fd))
         return NULL;
 
-    if (!PyArg_ParseTuple(args, "y#:write", &cp, &size))
+    if (!PyArg_ParseTuple(args, "y*:writeall", &data))
         return NULL;
 
     if (!_PyIsSelectable_fd(self->fd)) {
         PyErr_SetString(PyExc_ValueError,
                         "file descriptor out of range for select");
+        PyBuffer_Release(&data);
         return NULL;
     }
     /* use select to wait for audio device to be available */
     FD_ZERO(&write_set_fds);
     FD_SET(self->fd, &write_set_fds);
+    cp = (const char *)data.buf;
+    size = data.len;
 
     while (size > 0) {
         Py_BEGIN_ALLOW_THREADS
         select_rv = select(self->fd+1, NULL, &write_set_fds, NULL, NULL);
         Py_END_ALLOW_THREADS
-        assert(select_rv != 0);         /* no timeout, can't expire */
-        if (select_rv == -1)
+
+        assert(select_rv != 0);   /* no timeout, can't expire */
+        if (select_rv == -1) {
+            PyBuffer_Release(&data);
             return PyErr_SetFromErrno(PyExc_IOError);
+        }
 
-        Py_BEGIN_ALLOW_THREADS
-        rv = write(self->fd, cp, size);
-        Py_END_ALLOW_THREADS
+        rv = _Py_write(self->fd, cp, Py_MIN(size, INT_MAX));
         if (rv == -1) {
-            if (errno == EAGAIN) {      /* buffer is full, try again */
-                errno = 0;
+            /* buffer is full, try again */
+            if (errno == EAGAIN) {
+                PyErr_Clear();
                 continue;
-            } else                      /* it's a real error */
-                return PyErr_SetFromErrno(PyExc_IOError);
-        } else {                        /* wrote rv bytes */
-            self->ocount += rv;
-            size -= rv;
-            cp += rv;
+            }
+            /* it's a real error */
+            PyBuffer_Release(&data);
+            return NULL;
         }
+
+        /* wrote rv bytes */
+        self->ocount += rv;
+        size -= rv;
+        cp += rv;
     }
+    PyBuffer_Release(&data);
     Py_INCREF(Py_None);
     return Py_None;
 }
diff --git a/Modules/parsermodule.c b/Modules/parsermodule.c
index 36e9893..56ee445 100644
--- a/Modules/parsermodule.c
+++ b/Modules/parsermodule.c
@@ -2788,7 +2788,7 @@ validate_argument(node *tree)
     int nch = NCH(tree);
     int res = (validate_ntype(tree, argument)
                && ((nch == 1) || (nch == 2) || (nch == 3)));
-    if (res) 
+    if (res)
         res = validate_test(CHILD(tree, 0));
     if (res && (nch == 2))
         res = validate_comp_for(CHILD(tree, 1));
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index e538437..ce34b3b 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -6,7 +6,7 @@
    functions are either unimplemented or implemented differently.  The source
    assumes that for Windows NT, the macro 'MS_WINDOWS' is defined independent
    of the compiler used.  Different compilers define their own feature
-   test macro, e.g. '__BORLANDC__' or '_MSC_VER'. */
+   test macro, e.g. '_MSC_VER'. */
 
 
 
@@ -25,8 +25,11 @@
 #define PY_SSIZE_T_CLEAN
 
 #include "Python.h"
+#include "structmember.h"
 #ifndef MS_WINDOWS
 #include "posixmodule.h"
+#else
+#include "winreparse.h"
 #endif
 
 #ifdef __cplusplus
@@ -141,13 +144,6 @@ corresponding Unix manual entries for more information on calls.");
 #define HAVE_SYSTEM     1
 #include <process.h>
 #else
-#ifdef __BORLANDC__             /* Borland compiler */
-#define HAVE_EXECV      1
-#define HAVE_OPENDIR    1
-#define HAVE_PIPE       1
-#define HAVE_SYSTEM     1
-#define HAVE_WAIT       1
-#else
 #ifdef _MSC_VER         /* Microsoft compiler */
 #define HAVE_GETPPID    1
 #define HAVE_GETLOGIN   1
@@ -177,14 +173,14 @@ corresponding Unix manual entries for more information on calls.");
 #define HAVE_WAIT       1
 #define HAVE_TTYNAME    1
 #endif  /* _MSC_VER */
-#endif  /* __BORLANDC__ */
 #endif  /* ! __WATCOMC__ || __QNX__ */
 
 
 /*[clinic input]
+# one of the few times we lie about this name!
 module os
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=8cff096d1133288f]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=94a0f0f978acae17]*/
 
 #ifndef _MSC_VER
 
@@ -211,11 +207,7 @@ extern int rmdir(char *);
 extern int chdir(const char *);
 extern int rmdir(const char *);
 #endif
-#ifdef __BORLANDC__
-extern int chmod(const char *, int);
-#else
 extern int chmod(const char *, mode_t);
-#endif
 /*#ifdef HAVE_FCHMOD
 extern int fchmod(int, mode_t);
 #endif*/
@@ -301,6 +293,9 @@ extern int lstat(const char *, struct stat *);
 #ifndef IO_REPARSE_TAG_SYMLINK
 #define IO_REPARSE_TAG_SYMLINK (0xA000000CL)
 #endif
+#ifndef IO_REPARSE_TAG_MOUNT_POINT
+#define IO_REPARSE_TAG_MOUNT_POINT (0xA0000003L)
+#endif
 #include "osdefs.h"
 #include <malloc.h>
 #include <windows.h>
@@ -356,8 +351,8 @@ static int win32_can_symlink = 0;
 #ifdef MS_WINDOWS
 #       define STAT win32_stat
 #       define LSTAT win32_lstat
-#       define FSTAT win32_fstat
-#       define STRUCT_STAT struct win32_stat
+#       define FSTAT _Py_fstat_noraise
+#       define STRUCT_STAT struct _Py_stat_struct
 #else
 #       define STAT stat
 #       define LSTAT lstat
@@ -378,6 +373,20 @@ static int win32_can_symlink = 0;
 
 #define DWORD_MAX 4294967295U
 
+#ifdef MS_WINDOWS
+#define INITFUNC PyInit_nt
+#define MODNAME "nt"
+#else
+#define INITFUNC PyInit_posix
+#define MODNAME "posix"
+#endif
+
+#ifdef MS_WINDOWS
+/* defined in fileutils.c */
+PyAPI_FUNC(void) _Py_time_t_to_FILE_TIME(time_t, int, FILETIME *);
+PyAPI_FUNC(void) _Py_attribute_data_to_stat(BY_HANDLE_FILE_INFORMATION *,
+                                            ULONG, struct _Py_stat_struct *);
+#endif
 
 #ifdef MS_WINDOWS
 static int
@@ -701,7 +710,6 @@ dir_fd_converter(PyObject *o, void *p)
 }
 
 
-
 /*
  * A PyArg_ParseTuple "converter" function
  * that handles filesystem paths in the manner
@@ -797,8 +805,8 @@ typedef struct {
     PyObject *cleanup;
 } path_t;
 
-#define PATH_T_INITIALIZE(function_name, nullable, allow_fd) \
-    {function_name, NULL, nullable, allow_fd, NULL, NULL, 0, 0, NULL, NULL}
+#define PATH_T_INITIALIZE(function_name, argument_name, nullable, allow_fd) \
+    {function_name, argument_name, nullable, allow_fd, NULL, NULL, -1, 0, NULL, NULL}
 
 static void
 path_cleanup(path_t *path) {
@@ -859,7 +867,7 @@ path_converter(PyObject *o, void *p) {
             return 0;
         }
         if (wcslen(wide) != length) {
-            FORMAT_EXCEPTION(PyExc_TypeError, "embedded null character");
+            FORMAT_EXCEPTION(PyExc_ValueError, "embedded null character");
             Py_DECREF(unicode);
             return 0;
         }
@@ -925,8 +933,8 @@ path_converter(PyObject *o, void *p) {
 #endif
 
     narrow = PyBytes_AS_STRING(bytes);
-    if (length != strlen(narrow)) {
-        FORMAT_EXCEPTION(PyExc_ValueError, "embedded NUL character in %s");
+    if ((size_t)length != strlen(narrow)) {
+        FORMAT_EXCEPTION(PyExc_ValueError, "embedded null character in %s");
         Py_DECREF(bytes);
         return 0;
     }
@@ -1027,97 +1035,46 @@ dir_fd_and_follow_symlinks_invalid(char *function_name, int dir_fd,
     return 0;
 }
 
-/* A helper used by a number of POSIX-only functions */
-#ifndef MS_WINDOWS
+#ifdef MS_WINDOWS
+    typedef PY_LONG_LONG Py_off_t;
+#else
+    typedef off_t Py_off_t;
+#endif
+
 static int
-_parse_off_t(PyObject* arg, void* addr)
+Py_off_t_converter(PyObject *arg, void *addr)
 {
-#if !defined(HAVE_LARGEFILE_SUPPORT)
-    *((off_t*)addr) = PyLong_AsLong(arg);
+#ifdef HAVE_LARGEFILE_SUPPORT
+    *((Py_off_t *)addr) = PyLong_AsLongLong(arg);
 #else
-    *((off_t*)addr) = PyLong_AsLongLong(arg);
+    *((Py_off_t *)addr) = PyLong_AsLong(arg);
 #endif
     if (PyErr_Occurred())
         return 0;
     return 1;
 }
+
+static PyObject *
+PyLong_FromPy_off_t(Py_off_t offset)
+{
+#ifdef HAVE_LARGEFILE_SUPPORT
+    return PyLong_FromLongLong(offset);
+#else
+    return PyLong_FromLong(offset);
 #endif
+}
 
-#if defined _MSC_VER && _MSC_VER >= 1400
-/* Microsoft CRT in VS2005 and higher will verify that a filehandle is
- * valid and raise an assertion if it isn't.
- * Normally, an invalid fd is likely to be a C program error and therefore
- * an assertion can be useful, but it does contradict the POSIX standard
- * which for write(2) states:
- *    "Otherwise, -1 shall be returned and errno set to indicate the error."
- *    "[EBADF] The fildes argument is not a valid file descriptor open for
- *     writing."
- * Furthermore, python allows the user to enter any old integer
- * as a fd and should merely raise a python exception on error.
- * The Microsoft CRT doesn't provide an official way to check for the
- * validity of a file descriptor, but we can emulate its internal behaviour
- * by using the exported __pinfo data member and knowledge of the
- * internal structures involved.
- * The structures below must be updated for each version of visual studio
- * according to the file internal.h in the CRT source, until MS comes
- * up with a less hacky way to do this.
- * (all of this is to avoid globally modifying the CRT behaviour using
- * _set_invalid_parameter_handler() and _CrtSetReportMode())
- */
-/* The actual size of the structure is determined at runtime.
- * Only the first items must be present.
- */
-typedef struct {
-    intptr_t osfhnd;
-    char osfile;
-} my_ioinfo;
 
-extern __declspec(dllimport) char * __pioinfo[];
+#if defined _MSC_VER && _MSC_VER >= 1400 && _MSC_VER < 1900
+/* Legacy implementation of _PyVerify_fd_dup2 while transitioning to
+ * MSVC 14.0. This should eventually be removed. (issue23524)
+ */
 #define IOINFO_L2E 5
-#define IOINFO_ARRAY_ELTS   (1 << IOINFO_L2E)
 #define IOINFO_ARRAYS 64
+#define IOINFO_ARRAY_ELTS   (1 << IOINFO_L2E)
 #define _NHANDLE_           (IOINFO_ARRAYS * IOINFO_ARRAY_ELTS)
-#define FOPEN 0x01
 #define _NO_CONSOLE_FILENO (intptr_t)-2
 
-/* This function emulates what the windows CRT does to validate file handles */
-int
-_PyVerify_fd(int fd)
-{
-    const int i1 = fd >> IOINFO_L2E;
-    const int i2 = fd & ((1 << IOINFO_L2E) - 1);
-
-    static size_t sizeof_ioinfo = 0;
-
-    /* Determine the actual size of the ioinfo structure,
-     * as used by the CRT loaded in memory
-     */
-    if (sizeof_ioinfo == 0 && __pioinfo[0] != NULL) {
-        sizeof_ioinfo = _msize(__pioinfo[0]) / IOINFO_ARRAY_ELTS;
-    }
-    if (sizeof_ioinfo == 0) {
-        /* This should not happen... */
-        goto fail;
-    }
-
-    /* See that it isn't a special CLEAR fileno */
-    if (fd != _NO_CONSOLE_FILENO) {
-        /* Microsoft CRT would check that 0<=fd<_nhandle but we can't do that.  Instead
-         * we check pointer validity and other info
-         */
-        if (0 <= i1 && i1 < IOINFO_ARRAYS && __pioinfo[i1] != NULL) {
-            /* finally, check that the file is open */
-            my_ioinfo* info = (my_ioinfo*)(__pioinfo[i1] + i2 * sizeof_ioinfo);
-            if (info->osfile & FOPEN) {
-                return 1;
-            }
-        }
-    }
-  fail:
-    errno = EBADF;
-    return 0;
-}
-
 /* the special case of checking dup2.  The target fd must be in a sensible range */
 static int
 _PyVerify_fd_dup2(int fd1, int fd2)
@@ -1132,46 +1089,10 @@ _PyVerify_fd_dup2(int fd1, int fd2)
         return 0;
 }
 #else
-/* dummy version. _PyVerify_fd() is already defined in fileobject.h */
-#define _PyVerify_fd_dup2(A, B) (1)
+#define _PyVerify_fd_dup2(fd1, fd2) (_PyVerify_fd(fd1) && (fd2) >= 0)
 #endif
 
 #ifdef MS_WINDOWS
-/* The following structure was copied from
-   http://msdn.microsoft.com/en-us/library/ms791514.aspx as the required
-   include doesn't seem to be present in the Windows SDK (at least as included
-   with Visual Studio Express). */
-typedef struct _REPARSE_DATA_BUFFER {
-    ULONG ReparseTag;
-    USHORT ReparseDataLength;
-    USHORT Reserved;
-    union {
-        struct {
-            USHORT SubstituteNameOffset;
-            USHORT SubstituteNameLength;
-            USHORT PrintNameOffset;
-            USHORT PrintNameLength;
-            ULONG Flags;
-            WCHAR PathBuffer[1];
-        } SymbolicLinkReparseBuffer;
-
-        struct {
-            USHORT SubstituteNameOffset;
-            USHORT  SubstituteNameLength;
-            USHORT  PrintNameOffset;
-            USHORT  PrintNameLength;
-            WCHAR  PathBuffer[1];
-        } MountPointReparseBuffer;
-
-        struct {
-            UCHAR  DataBuffer[1];
-        } GenericReparseBuffer;
-    };
-} REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER;
-
-#define REPARSE_DATA_BUFFER_HEADER_SIZE  FIELD_OFFSET(REPARSE_DATA_BUFFER,\
-                                                      GenericReparseBuffer)
-#define MAXIMUM_REPARSE_DATA_BUFFER_SIZE  ( 16 * 1024 )
 
 static int
 win32_get_reparse_tag(HANDLE reparse_point_handle, ULONG *reparse_tag)
@@ -1356,47 +1277,37 @@ path_error2(path_t *path, path_t *path2)
 
 /* POSIX generic methods */
 
-static PyObject *
-posix_fildes(PyObject *fdobj, int (*func)(int))
+static int
+fildes_converter(PyObject *o, void *p)
 {
     int fd;
-    int res;
-    fd = PyObject_AsFileDescriptor(fdobj);
+    int *pointer = (int *)p;
+    fd = PyObject_AsFileDescriptor(o);
     if (fd < 0)
-        return NULL;
-    if (!_PyVerify_fd(fd))
-        return posix_error();
-    Py_BEGIN_ALLOW_THREADS
-    res = (*func)(fd);
-    Py_END_ALLOW_THREADS
-    if (res < 0)
-        return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+        return 0;
+    *pointer = fd;
+    return 1;
 }
 
 static PyObject *
-posix_1str(const char *func_name, PyObject *args, char *format,
-           int (*func)(const char*))
+posix_fildes_fd(int fd, int (*func)(int))
 {
-    path_t path;
     int res;
-    memset(&path, 0, sizeof(path));
-    path.function_name = func_name;
-    if (!PyArg_ParseTuple(args, format,
-                          path_converter, &path))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    res = (*func)(path.narrow);
-    Py_END_ALLOW_THREADS
-    if (res < 0) {
-        path_error(&path);
-        path_cleanup(&path);
-        return NULL;
-    }
-    path_cleanup(&path);
-    Py_INCREF(Py_None);
-    return Py_None;
+    int async_err = 0;
+
+    if (!_PyVerify_fd(fd))
+        return posix_error();
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        _Py_BEGIN_SUPPRESS_IPH
+        res = (*func)(fd);
+        _Py_END_SUPPRESS_IPH
+        Py_END_ALLOW_THREADS
+    } while (res != 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res != 0)
+        return (!async_err) ? posix_error() : NULL;
+    Py_RETURN_NONE;
 }
 
 
@@ -1475,89 +1386,7 @@ win32_wchdir(LPCWSTR path)
    Therefore, we implement our own stat, based on the Win32 API directly.
 */
 #define HAVE_STAT_NSEC 1
-
-struct win32_stat{
-    unsigned long st_dev;
-    __int64 st_ino;
-    unsigned short st_mode;
-    int st_nlink;
-    int st_uid;
-    int st_gid;
-    unsigned long st_rdev;
-    __int64 st_size;
-    time_t st_atime;
-    int st_atime_nsec;
-    time_t st_mtime;
-    int st_mtime_nsec;
-    time_t st_ctime;
-    int st_ctime_nsec;
-};
-
-static __int64 secs_between_epochs = 11644473600; /* Seconds between 1.1.1601 and 1.1.1970 */
-
-static void
-FILE_TIME_to_time_t_nsec(FILETIME *in_ptr, time_t *time_out, int* nsec_out)
-{
-    /* XXX endianness. Shouldn't matter, as all Windows implementations are little-endian */
-    /* Cannot simply cast and dereference in_ptr,
-       since it might not be aligned properly */
-    __int64 in;
-    memcpy(&in, in_ptr, sizeof(in));
-    *nsec_out = (int)(in % 10000000) * 100; /* FILETIME is in units of 100 nsec. */
-    *time_out = Py_SAFE_DOWNCAST((in / 10000000) - secs_between_epochs, __int64, time_t);
-}
-
-static void
-time_t_to_FILE_TIME(time_t time_in, int nsec_in, FILETIME *out_ptr)
-{
-    /* XXX endianness */
-    __int64 out;
-    out = time_in + secs_between_epochs;
-    out = out * 10000000 + nsec_in / 100;
-    memcpy(out_ptr, &out, sizeof(out));
-}
-
-/* Below, we *know* that ugo+r is 0444 */
-#if _S_IREAD != 0400
-#error Unsupported C library
-#endif
-static int
-attributes_to_mode(DWORD attr)
-{
-    int m = 0;
-    if (attr & FILE_ATTRIBUTE_DIRECTORY)
-        m |= _S_IFDIR | 0111; /* IFEXEC for user,group,other */
-    else
-        m |= _S_IFREG;
-    if (attr & FILE_ATTRIBUTE_READONLY)
-        m |= 0444;
-    else
-        m |= 0666;
-    return m;
-}
-
-static int
-attribute_data_to_stat(BY_HANDLE_FILE_INFORMATION *info, ULONG reparse_tag, struct win32_stat *result)
-{
-    memset(result, 0, sizeof(*result));
-    result->st_mode = attributes_to_mode(info->dwFileAttributes);
-    result->st_size = (((__int64)info->nFileSizeHigh)<<32) + info->nFileSizeLow;
-    result->st_dev = info->dwVolumeSerialNumber;
-    result->st_rdev = result->st_dev;
-    FILE_TIME_to_time_t_nsec(&info->ftCreationTime, &result->st_ctime, &result->st_ctime_nsec);
-    FILE_TIME_to_time_t_nsec(&info->ftLastWriteTime, &result->st_mtime, &result->st_mtime_nsec);
-    FILE_TIME_to_time_t_nsec(&info->ftLastAccessTime, &result->st_atime, &result->st_atime_nsec);
-    result->st_nlink = info->nNumberOfLinks;
-    result->st_ino = (((__int64)info->nFileIndexHigh)<<32) + info->nFileIndexLow;
-    if (reparse_tag == IO_REPARSE_TAG_SYMLINK) {
-        /* first clear the S_IFMT bits */
-        result->st_mode ^= (result->st_mode & S_IFMT);
-        /* now set the bits that make this a symlink */
-        result->st_mode |= S_IFLNK;
-    }
-
-    return 0;
-}
+#define HAVE_STRUCT_STAT_ST_FILE_ATTRIBUTES 1
 
 static BOOL
 attributes_from_dir(LPCSTR pszFile, BY_HANDLE_FILE_INFORMATION *info, ULONG *reparse_tag)
@@ -1582,6 +1411,25 @@ attributes_from_dir(LPCSTR pszFile, BY_HANDLE_FILE_INFORMATION *info, ULONG *rep
     return TRUE;
 }
 
+static void
+find_data_to_file_info_w(WIN32_FIND_DATAW *pFileData,
+                         BY_HANDLE_FILE_INFORMATION *info,
+                         ULONG *reparse_tag)
+{
+    memset(info, 0, sizeof(*info));
+    info->dwFileAttributes = pFileData->dwFileAttributes;
+    info->ftCreationTime   = pFileData->ftCreationTime;
+    info->ftLastAccessTime = pFileData->ftLastAccessTime;
+    info->ftLastWriteTime  = pFileData->ftLastWriteTime;
+    info->nFileSizeHigh    = pFileData->nFileSizeHigh;
+    info->nFileSizeLow     = pFileData->nFileSizeLow;
+/*  info->nNumberOfLinks   = 1; */
+    if (pFileData->dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
+        *reparse_tag = pFileData->dwReserved0;
+    else
+        *reparse_tag = 0;
+}
+
 static BOOL
 attributes_from_dir_w(LPCWSTR pszFile, BY_HANDLE_FILE_INFORMATION *info, ULONG *reparse_tag)
 {
@@ -1591,45 +1439,10 @@ attributes_from_dir_w(LPCWSTR pszFile, BY_HANDLE_FILE_INFORMATION *info, ULONG *
     if (hFindFile == INVALID_HANDLE_VALUE)
         return FALSE;
     FindClose(hFindFile);
-    memset(info, 0, sizeof(*info));
-    *reparse_tag = 0;
-    info->dwFileAttributes = FileData.dwFileAttributes;
-    info->ftCreationTime   = FileData.ftCreationTime;
-    info->ftLastAccessTime = FileData.ftLastAccessTime;
-    info->ftLastWriteTime  = FileData.ftLastWriteTime;
-    info->nFileSizeHigh    = FileData.nFileSizeHigh;
-    info->nFileSizeLow     = FileData.nFileSizeLow;
-/*  info->nNumberOfLinks   = 1; */
-    if (FileData.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
-        *reparse_tag = FileData.dwReserved0;
+    find_data_to_file_info_w(&FileData, info, reparse_tag);
     return TRUE;
 }
 
-/* Grab GetFinalPathNameByHandle dynamically from kernel32 */
-static int has_GetFinalPathNameByHandle = -1;
-static DWORD (CALLBACK *Py_GetFinalPathNameByHandleW)(HANDLE, LPWSTR, DWORD,
-                                                      DWORD);
-static int
-check_GetFinalPathNameByHandle()
-{
-    HINSTANCE hKernel32;
-    DWORD (CALLBACK *Py_GetFinalPathNameByHandleA)(HANDLE, LPSTR, DWORD,
-                                                   DWORD);
-
-    /* only recheck */
-    if (-1 == has_GetFinalPathNameByHandle)
-    {
-        hKernel32 = GetModuleHandleW(L"KERNEL32");
-        *(FARPROC*)&Py_GetFinalPathNameByHandleA = GetProcAddress(hKernel32,
-                                                "GetFinalPathNameByHandleA");
-        *(FARPROC*)&Py_GetFinalPathNameByHandleW = GetProcAddress(hKernel32,
-                                                "GetFinalPathNameByHandleW");
-        has_GetFinalPathNameByHandle = Py_GetFinalPathNameByHandleA &&
-                                       Py_GetFinalPathNameByHandleW;
-    }
-    return has_GetFinalPathNameByHandle;
-}
-
 static BOOL
 get_target_path(HANDLE hdl, wchar_t **target_path)
 {
@@ -1638,8 +1451,8 @@ get_target_path(HANDLE hdl, wchar_t **target_path)
 
     /* We have a good handle to the target, use it to determine
        the target path name (then we'll call lstat on it). */
-    buf_size = Py_GetFinalPathNameByHandleW(hdl, 0, 0,
-                                            VOLUME_NAME_DOS);
+    buf_size = GetFinalPathNameByHandleW(hdl, 0, 0,
+                                         VOLUME_NAME_DOS);
     if(!buf_size)
         return FALSE;
 
@@ -1649,7 +1462,7 @@ get_target_path(HANDLE hdl, wchar_t **target_path)
         return FALSE;
     }
 
-    result_length = Py_GetFinalPathNameByHandleW(hdl,
+    result_length = GetFinalPathNameByHandleW(hdl,
                        buf, buf_size, VOLUME_NAME_DOS);
 
     if(!result_length) {
@@ -1669,10 +1482,10 @@ get_target_path(HANDLE hdl, wchar_t **target_path)
 }
 
 static int
-win32_xstat_impl_w(const wchar_t *path, struct win32_stat *result,
+win32_xstat_impl_w(const wchar_t *path, struct _Py_stat_struct *result,
                    BOOL traverse);
 static int
-win32_xstat_impl(const char *path, struct win32_stat *result,
+win32_xstat_impl(const char *path, struct _Py_stat_struct *result,
                  BOOL traverse)
 {
     int code;
@@ -1682,12 +1495,6 @@ win32_xstat_impl(const char *path, struct win32_stat *result,
     wchar_t *target_path;
     const char *dot;
 
-    if(!check_GetFinalPathNameByHandle()) {
-        /* If the OS doesn't have GetFinalPathNameByHandle, don't
-           traverse reparse point. */
-        traverse = FALSE;
-    }
-
     hFile = CreateFileA(
         path,
         FILE_READ_ATTRIBUTES, /* desired access */
@@ -1755,7 +1562,7 @@ win32_xstat_impl(const char *path, struct win32_stat *result,
         } else
             CloseHandle(hFile);
     }
-    attribute_data_to_stat(&info, reparse_tag, result);
+    _Py_attribute_data_to_stat(&info, reparse_tag, result);
 
     /* Set S_IEXEC if it is an .exe, .bat, ... */
     dot = strrchr(path, '.');
@@ -1768,7 +1575,7 @@ win32_xstat_impl(const char *path, struct win32_stat *result,
 }
 
 static int
-win32_xstat_impl_w(const wchar_t *path, struct win32_stat *result,
+win32_xstat_impl_w(const wchar_t *path, struct _Py_stat_struct *result,
                    BOOL traverse)
 {
     int code;
@@ -1778,12 +1585,6 @@ win32_xstat_impl_w(const wchar_t *path, struct win32_stat *result,
     wchar_t *target_path;
     const wchar_t *dot;
 
-    if(!check_GetFinalPathNameByHandle()) {
-        /* If the OS doesn't have GetFinalPathNameByHandle, don't
-           traverse reparse point. */
-        traverse = FALSE;
-    }
-
     hFile = CreateFileW(
         path,
         FILE_READ_ATTRIBUTES, /* desired access */
@@ -1851,7 +1652,7 @@ win32_xstat_impl_w(const wchar_t *path, struct win32_stat *result,
         } else
             CloseHandle(hFile);
     }
-    attribute_data_to_stat(&info, reparse_tag, result);
+    _Py_attribute_data_to_stat(&info, reparse_tag, result);
 
     /* Set S_IEXEC if it is an .exe, .bat, ... */
     dot = wcsrchr(path, '.');
@@ -1864,7 +1665,7 @@ win32_xstat_impl_w(const wchar_t *path, struct win32_stat *result,
 }
 
 static int
-win32_xstat(const char *path, struct win32_stat *result, BOOL traverse)
+win32_xstat(const char *path, struct _Py_stat_struct *result, BOOL traverse)
 {
     /* Protocol violation: we explicitly clear errno, instead of
        setting it to a POSIX error. Callers should use GetLastError. */
@@ -1874,7 +1675,7 @@ win32_xstat(const char *path, struct win32_stat *result, BOOL traverse)
 }
 
 static int
-win32_xstat_w(const wchar_t *path, struct win32_stat *result, BOOL traverse)
+win32_xstat_w(const wchar_t *path, struct _Py_stat_struct *result, BOOL traverse)
 {
     /* Protocol violation: we explicitly clear errno, instead of
        setting it to a POSIX error. Callers should use GetLastError. */
@@ -1896,80 +1697,29 @@ win32_xstat_w(const wchar_t *path, struct win32_stat *result, BOOL traverse)
    The _w represent Unicode equivalents of the aforementioned ANSI functions. */
 
 static int
-win32_lstat(const char* path, struct win32_stat *result)
+win32_lstat(const char* path, struct _Py_stat_struct *result)
 {
     return win32_xstat(path, result, FALSE);
 }
 
 static int
-win32_lstat_w(const wchar_t* path, struct win32_stat *result)
+win32_lstat_w(const wchar_t* path, struct _Py_stat_struct *result)
 {
     return win32_xstat_w(path, result, FALSE);
 }
 
 static int
-win32_stat(const char* path, struct win32_stat *result)
+win32_stat(const char* path, struct _Py_stat_struct *result)
 {
     return win32_xstat(path, result, TRUE);
 }
 
 static int
-win32_stat_w(const wchar_t* path, struct win32_stat *result)
+win32_stat_w(const wchar_t* path, struct _Py_stat_struct *result)
 {
     return win32_xstat_w(path, result, TRUE);
 }
 
-static int
-win32_fstat(int file_number, struct win32_stat *result)
-{
-    BY_HANDLE_FILE_INFORMATION info;
-    HANDLE h;
-    int type;
-
-    if (!_PyVerify_fd(file_number))
-        h = INVALID_HANDLE_VALUE;
-    else
-        h = (HANDLE)_get_osfhandle(file_number);
-
-    /* Protocol violation: we explicitly clear errno, instead of
-       setting it to a POSIX error. Callers should use GetLastError. */
-    errno = 0;
-
-    if (h == INVALID_HANDLE_VALUE) {
-        /* This is really a C library error (invalid file handle).
-           We set the Win32 error to the closes one matching. */
-        SetLastError(ERROR_INVALID_HANDLE);
-        return -1;
-    }
-    memset(result, 0, sizeof(*result));
-
-    type = GetFileType(h);
-    if (type == FILE_TYPE_UNKNOWN) {
-        DWORD error = GetLastError();
-        if (error != 0) {
-            return -1;
-        }
-        /* else: valid but unknown file */
-    }
-
-    if (type != FILE_TYPE_DISK) {
-        if (type == FILE_TYPE_CHAR)
-            result->st_mode = _S_IFCHR;
-        else if (type == FILE_TYPE_PIPE)
-            result->st_mode = _S_IFIFO;
-        return 0;
-    }
-
-    if (!GetFileInformationByHandle(h, &info)) {
-        return -1;
-    }
-
-    attribute_data_to_stat(&info, 0, result);
-    /* specific to fstat() */
-    result->st_ino = (((__int64)info.nFileIndexHigh)<<32) + info.nFileIndexLow;
-    return 0;
-}
-
 #endif /* MS_WINDOWS */
 
 PyDoc_STRVAR(stat_result__doc__,
@@ -2019,6 +1769,9 @@ static PyStructSequence_Field stat_result_fields[] = {
 #ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME
     {"st_birthtime",   "time of creation"},
 #endif
+#ifdef HAVE_STRUCT_STAT_ST_FILE_ATTRIBUTES
+    {"st_file_attributes", "Windows file attribute bits"},
+#endif
     {0}
 };
 
@@ -2058,6 +1811,12 @@ static PyStructSequence_Field stat_result_fields[] = {
 #define ST_BIRTHTIME_IDX ST_GEN_IDX
 #endif
 
+#ifdef HAVE_STRUCT_STAT_ST_FILE_ATTRIBUTES
+#define ST_FILE_ATTRIBUTES_IDX (ST_BIRTHTIME_IDX+1)
+#else
+#define ST_FILE_ATTRIBUTES_IDX ST_BIRTHTIME_IDX
+#endif
+
 static PyStructSequence_Desc stat_result_desc = {
     "stat_result", /* name */
     stat_result__doc__, /* doc */
@@ -2159,10 +1918,12 @@ static int _stat_float_times = 1;
 PyDoc_STRVAR(stat_float_times__doc__,
 "stat_float_times([newval]) -> oldval\n\n\
 Determine whether os.[lf]stat represents time stamps as float objects.\n\
-If newval is True, future calls to stat() return floats, if it is False,\n\
-future calls return ints. \n\
-If newval is omitted, return the current setting.\n");
+\n\
+If value is True, future calls to stat() return floats; if it is False,\n\
+future calls return ints.\n\
+If value is omitted, return the current setting.\n");
 
+/* AC 3.5: the public default value should be None, not ready for that yet */
 static PyObject*
 stat_float_times(PyObject* self, PyObject *args)
 {
@@ -2322,6 +2083,10 @@ _pystat_fromstructstat(STRUCT_STAT *st)
     PyStructSequence_SET_ITEM(v, ST_FLAGS_IDX,
                               PyLong_FromLong((long)st->st_flags));
 #endif
+#ifdef HAVE_STRUCT_STAT_ST_FILE_ATTRIBUTES
+    PyStructSequence_SET_ITEM(v, ST_FILE_ATTRIBUTES_IDX,
+                              PyLong_FromUnsignedLong(st->st_file_attributes));
+#endif
 
     if (PyErr_Occurred()) {
         Py_DECREF(v);
@@ -2385,12 +2150,181 @@ posix_do_stat(char *function_name, path_t *path,
     return _pystat_fromstructstat(&st);
 }
 
+/*[python input]
+
+for s in """
+
+FACCESSAT
+FCHMODAT
+FCHOWNAT
+FSTATAT
+LINKAT
+MKDIRAT
+MKFIFOAT
+MKNODAT
+OPENAT
+READLINKAT
+SYMLINKAT
+UNLINKAT
+
+""".strip().split():
+    s = s.strip()
+    print("""
+#ifdef HAVE_{s}
+    #define {s}_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define {s}_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+""".rstrip().format(s=s))
+
+for s in """
+
+FCHDIR
+FCHMOD
+FCHOWN
+FDOPENDIR
+FEXECVE
+FPATHCONF
+FSTATVFS
+FTRUNCATE
+
+""".strip().split():
+    s = s.strip()
+    print("""
+#ifdef HAVE_{s}
+    #define PATH_HAVE_{s} 1
+#else
+    #define PATH_HAVE_{s} 0
+#endif
+
+""".rstrip().format(s=s))
+[python start generated code]*/
+
+#ifdef HAVE_FACCESSAT
+    #define FACCESSAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define FACCESSAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_FCHMODAT
+    #define FCHMODAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define FCHMODAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_FCHOWNAT
+    #define FCHOWNAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define FCHOWNAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
 #ifdef HAVE_FSTATAT
-    #define OS_STAT_DIR_FD_CONVERTER dir_fd_converter
+    #define FSTATAT_DIR_FD_CONVERTER dir_fd_converter
 #else
-    #define OS_STAT_DIR_FD_CONVERTER dir_fd_unavailable
+    #define FSTATAT_DIR_FD_CONVERTER dir_fd_unavailable
 #endif
 
+#ifdef HAVE_LINKAT
+    #define LINKAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define LINKAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_MKDIRAT
+    #define MKDIRAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define MKDIRAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_MKFIFOAT
+    #define MKFIFOAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define MKFIFOAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_MKNODAT
+    #define MKNODAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define MKNODAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_OPENAT
+    #define OPENAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define OPENAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_READLINKAT
+    #define READLINKAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define READLINKAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_SYMLINKAT
+    #define SYMLINKAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define SYMLINKAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_UNLINKAT
+    #define UNLINKAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define UNLINKAT_DIR_FD_CONVERTER dir_fd_unavailable
+#endif
+
+#ifdef HAVE_FCHDIR
+    #define PATH_HAVE_FCHDIR 1
+#else
+    #define PATH_HAVE_FCHDIR 0
+#endif
+
+#ifdef HAVE_FCHMOD
+    #define PATH_HAVE_FCHMOD 1
+#else
+    #define PATH_HAVE_FCHMOD 0
+#endif
+
+#ifdef HAVE_FCHOWN
+    #define PATH_HAVE_FCHOWN 1
+#else
+    #define PATH_HAVE_FCHOWN 0
+#endif
+
+#ifdef HAVE_FDOPENDIR
+    #define PATH_HAVE_FDOPENDIR 1
+#else
+    #define PATH_HAVE_FDOPENDIR 0
+#endif
+
+#ifdef HAVE_FEXECVE
+    #define PATH_HAVE_FEXECVE 1
+#else
+    #define PATH_HAVE_FEXECVE 0
+#endif
+
+#ifdef HAVE_FPATHCONF
+    #define PATH_HAVE_FPATHCONF 1
+#else
+    #define PATH_HAVE_FPATHCONF 0
+#endif
+
+#ifdef HAVE_FSTATVFS
+    #define PATH_HAVE_FSTATVFS 1
+#else
+    #define PATH_HAVE_FSTATVFS 0
+#endif
+
+#ifdef HAVE_FTRUNCATE
+    #define PATH_HAVE_FTRUNCATE 1
+#else
+    #define PATH_HAVE_FTRUNCATE 0
+#endif
+/*[python end generated code: output=4bd4f6f7d41267f1 input=80b4c890b6774ea5]*/
+
+#ifdef MS_WINDOWS
+    #undef PATH_HAVE_FTRUNCATE
+    #define PATH_HAVE_FTRUNCATE 1
+#endif
 
 /*[python input]
 
@@ -2405,22 +2339,25 @@ class path_t_converter(CConverter):
     def converter_init(self, *, allow_fd=False, nullable=False):
         # right now path_t doesn't support default values.
         # to support a default value, you'll need to override initialize().
-        if self.default is not unspecified:
+        if self.default not in (unspecified, None):
             fail("Can't specify a default to the path_t converter!")
 
-        if self.c_default is not None:
-            fail("Can't specify a c_default to the path_t converter!")
+        if self.c_default not in (None, 'Py_None'):
+            raise RuntimeError("Can't specify a c_default to the path_t converter!")
 
         self.nullable = nullable
         self.allow_fd = allow_fd
 
     def pre_render(self):
         def strify(value):
+            if isinstance(value, str):
+                return value
             return str(int(bool(value)))
 
         # add self.py_name here when merging with posixmodule conversion
-        self.c_default = 'PATH_T_INITIALIZE("{}", {}, {})'.format(
+        self.c_default = 'PATH_T_INITIALIZE("{}", "{}", {}, {})'.format(
             self.function.name,
+            self.name,
             strify(self.nullable),
             strify(self.allow_fd),
             )
@@ -2431,15 +2368,87 @@ class path_t_converter(CConverter):
 
 class dir_fd_converter(CConverter):
     type = 'int'
-    converter = 'OS_STAT_DIR_FD_CONVERTER'
 
-    def converter_init(self):
+    def converter_init(self, requires=None):
         if self.default in (unspecified, None):
             self.c_default = 'DEFAULT_DIR_FD'
+        if isinstance(requires, str):
+            self.converter = requires.upper() + '_DIR_FD_CONVERTER'
+        else:
+            self.converter = 'dir_fd_converter'
+
+class fildes_converter(CConverter):
+    type = 'int'
+    converter = 'fildes_converter'
+
+class uid_t_converter(CConverter):
+    type = "uid_t"
+    converter = '_Py_Uid_Converter'
+
+class gid_t_converter(CConverter):
+    type = "gid_t"
+    converter = '_Py_Gid_Converter'
+
+class dev_t_converter(CConverter):
+    type = 'dev_t'
+    converter = '_Py_Dev_Converter'
+
+class dev_t_return_converter(unsigned_long_return_converter):
+    type = 'dev_t'
+    conversion_fn = '_PyLong_FromDev'
+    unsigned_cast = '(dev_t)'
+
+class FSConverter_converter(CConverter):
+    type = 'PyObject *'
+    converter = 'PyUnicode_FSConverter'
+    def converter_init(self):
+        if self.default is not unspecified:
+            fail("FSConverter_converter does not support default values")
+        self.c_default = 'NULL'
+
+    def cleanup(self):
+        return "Py_XDECREF(" + self.name + ");\n"
+
+class pid_t_converter(CConverter):
+    type = 'pid_t'
+    format_unit = '" _Py_PARSE_PID "'
 
+class idtype_t_converter(int_converter):
+    type = 'idtype_t'
+
+class id_t_converter(CConverter):
+    type = 'id_t'
+    format_unit = '" _Py_PARSE_PID "'
+
+class Py_intptr_t_converter(CConverter):
+    type = 'Py_intptr_t'
+    format_unit = '" _Py_PARSE_INTPTR "'
+
+class Py_off_t_converter(CConverter):
+    type = 'Py_off_t'
+    converter = 'Py_off_t_converter'
+
+class Py_off_t_return_converter(long_return_converter):
+    type = 'Py_off_t'
+    conversion_fn = 'PyLong_FromPy_off_t'
+
+class path_confname_converter(CConverter):
+    type="int"
+    converter="conv_path_confname"
+
+class confstr_confname_converter(path_confname_converter):
+    converter='conv_confstr_confname'
+
+class sysconf_confname_converter(path_confname_converter):
+    converter="conv_sysconf_confname"
+
+class sched_param_converter(CConverter):
+    type = 'struct sched_param'
+    converter = 'convert_sched_param'
+    impl_by_reference = True;
 
 [python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=5c9f456f53244fc3]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=affe68316f160401]*/
 
 /*[clinic input]
 
@@ -2450,7 +2459,7 @@ os.stat
 
     *
 
-    dir_fd : dir_fd = None
+    dir_fd : dir_fd(requires='fstatat') = None
         If not None, it should be a file descriptor open to a directory,
         and path should be a relative string; path will then be relative to
         that directory.
@@ -2471,103 +2480,41 @@ It's an error to use dir_fd or follow_symlinks when specifying path as
 
 [clinic start generated code]*/
 
-PyDoc_STRVAR(os_stat__doc__,
-"stat($module, /, path, *, dir_fd=None, follow_symlinks=True)\n"
-"--\n"
-"\n"
-"Perform a stat system call on the given path.\n"
-"\n"
-"  path\n"
-"    Path to be examined; can be string, bytes, or open-file-descriptor int.\n"
-"  dir_fd\n"
-"    If not None, it should be a file descriptor open to a directory,\n"
-"    and path should be a relative string; path will then be relative to\n"
-"    that directory.\n"
-"  follow_symlinks\n"
-"    If False, and the last element of the path is a symbolic link,\n"
-"    stat will examine the symbolic link itself instead of the file\n"
-"    the link points to.\n"
-"\n"
-"dir_fd and follow_symlinks may not be implemented\n"
-"  on your platform.  If they are unavailable, using them will raise a\n"
-"  NotImplementedError.\n"
-"\n"
-"It\'s an error to use dir_fd or follow_symlinks when specifying path as\n"
-"  an open file descriptor.");
-
-#define OS_STAT_METHODDEF    \
-    {"stat", (PyCFunction)os_stat, METH_VARARGS|METH_KEYWORDS, os_stat__doc__},
-
 static PyObject *
-os_stat_impl(PyModuleDef *module, path_t *path, int dir_fd, int follow_symlinks);
-
-static PyObject *
-os_stat(PyModuleDef *module, PyObject *args, PyObject *kwargs)
+os_stat_impl(PyModuleDef *module, path_t *path, int dir_fd,
+             int follow_symlinks)
+/*[clinic end generated code: output=e4f7569f95d523ca input=099d356c306fa24a]*/
 {
-    PyObject *return_value = NULL;
-    static char *_keywords[] = {"path", "dir_fd", "follow_symlinks", NULL};
-    path_t path = PATH_T_INITIALIZE("stat", 0, 1);
-    int dir_fd = DEFAULT_DIR_FD;
-    int follow_symlinks = 1;
+    return posix_do_stat("stat", path, dir_fd, follow_symlinks);
+}
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
-        "O&|$O&p:stat", _keywords,
-        path_converter, &path, OS_STAT_DIR_FD_CONVERTER, &dir_fd, &follow_symlinks))
-        goto exit;
-    return_value = os_stat_impl(module, &path, dir_fd, follow_symlinks);
 
-exit:
-    /* Cleanup for path */
-    path_cleanup(&path);
+/*[clinic input]
+os.lstat
 
-    return return_value;
-}
+    path : path_t
 
-static PyObject *
-os_stat_impl(PyModuleDef *module, path_t *path, int dir_fd, int follow_symlinks)
-/*[clinic end generated code: output=f1dcaa5e24db9882 input=5ae155bd475fd20a]*/
-{
-    return posix_do_stat("stat", path, dir_fd, follow_symlinks);
-}
+    *
 
-PyDoc_STRVAR(posix_lstat__doc__,
-"lstat(path, *, dir_fd=None) -> stat result\n\n\
-Like stat(), but do not follow symbolic links.\n\
-Equivalent to stat(path, follow_symlinks=False).");
+    dir_fd : dir_fd(requires='fstatat') = None
+
+Perform a stat system call on the given path, without following symbolic links.
+
+Like stat(), but do not follow symbolic links.
+Equivalent to stat(path, follow_symlinks=False).
+[clinic start generated code]*/
 
 static PyObject *
-posix_lstat(PyObject *self, PyObject *args, PyObject *kwargs)
+os_lstat_impl(PyModuleDef *module, path_t *path, int dir_fd)
+/*[clinic end generated code: output=7a748e333fcb39bd input=0b7474765927b925]*/
 {
-    static char *keywords[] = {"path", "dir_fd", NULL};
-    path_t path;
-    int dir_fd = DEFAULT_DIR_FD;
     int follow_symlinks = 0;
-    PyObject *return_value;
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "lstat";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|$O&:lstat", keywords,
-        path_converter, &path,
-#ifdef HAVE_FSTATAT
-        dir_fd_converter, &dir_fd
-#else
-        dir_fd_unavailable, &dir_fd
-#endif
-        ))
-        return NULL;
-    return_value = posix_do_stat("lstat", &path, dir_fd, follow_symlinks);
-    path_cleanup(&path);
-    return return_value;
+    return posix_do_stat("lstat", path, dir_fd, follow_symlinks);
 }
 
 
-#ifdef HAVE_FACCESSAT
-    #define OS_ACCESS_DIR_FD_CONVERTER dir_fd_converter
-#else
-    #define OS_ACCESS_DIR_FD_CONVERTER dir_fd_unavailable
-#endif
 /*[clinic input]
-os.access
+os.access -> bool
 
     path: path_t(allow_fd=True)
         Path to be tested; can be string, bytes, or open-file-descriptor int.
@@ -2578,7 +2525,7 @@ os.access
 
     *
 
-    dir_fd : dir_fd = None
+    dir_fd : dir_fd(requires='faccessat') = None
         If not None, it should be a file descriptor open to a directory,
         and path should be relative; path will then be relative to that
         directory.
@@ -2605,73 +2552,12 @@ Note that most operations will use the effective uid/gid, therefore this
 
 [clinic start generated code]*/
 
-PyDoc_STRVAR(os_access__doc__,
-"access($module, /, path, mode, *, dir_fd=None, effective_ids=False,\n"
-"       follow_symlinks=True)\n"
-"--\n"
-"\n"
-"Use the real uid/gid to test for access to a path.\n"
-"\n"
-"  path\n"
-"    Path to be tested; can be string, bytes, or open-file-descriptor int.\n"
-"  mode\n"
-"    Operating-system mode bitfield.  Can be F_OK to test existence,\n"
-"    or the inclusive-OR of R_OK, W_OK, and X_OK.\n"
-"  dir_fd\n"
-"    If not None, it should be a file descriptor open to a directory,\n"
-"    and path should be relative; path will then be relative to that\n"
-"    directory.\n"
-"  effective_ids\n"
-"    If True, access will use the effective uid/gid instead of\n"
-"    the real uid/gid.\n"
-"  follow_symlinks\n"
-"    If False, and the last element of the path is a symbolic link,\n"
-"    access will examine the symbolic link itself instead of the file\n"
-"    the link points to.\n"
-"\n"
-"dir_fd, effective_ids, and follow_symlinks may not be implemented\n"
-"  on your platform.  If they are unavailable, using them will raise a\n"
-"  NotImplementedError.\n"
-"\n"
-"Note that most operations will use the effective uid/gid, therefore this\n"
-"  routine can be used in a suid/sgid environment to test if the invoking user\n"
-"  has the specified access to the path.");
-
-#define OS_ACCESS_METHODDEF    \
-    {"access", (PyCFunction)os_access, METH_VARARGS|METH_KEYWORDS, os_access__doc__},
-
-static PyObject *
-os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd, int effective_ids, int follow_symlinks);
-
-static PyObject *
-os_access(PyModuleDef *module, PyObject *args, PyObject *kwargs)
-{
-    PyObject *return_value = NULL;
-    static char *_keywords[] = {"path", "mode", "dir_fd", "effective_ids", "follow_symlinks", NULL};
-    path_t path = PATH_T_INITIALIZE("access", 0, 1);
-    int mode;
-    int dir_fd = DEFAULT_DIR_FD;
-    int effective_ids = 0;
-    int follow_symlinks = 1;
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
-        "O&i|$O&pp:access", _keywords,
-        path_converter, &path, &mode, OS_STAT_DIR_FD_CONVERTER, &dir_fd, &effective_ids, &follow_symlinks))
-        goto exit;
-    return_value = os_access_impl(module, &path, mode, dir_fd, effective_ids, follow_symlinks);
-
-exit:
-    /* Cleanup for path */
-    path_cleanup(&path);
-
-    return return_value;
-}
-
-static PyObject *
-os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd, int effective_ids, int follow_symlinks)
-/*[clinic end generated code: output=a6ed4f151be9df0f input=2e2e7594371f5b7e]*/
+static int
+os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd,
+               int effective_ids, int follow_symlinks)
+/*[clinic end generated code: output=abaa53340210088d input=b75a756797af45ec]*/
 {
-    PyObject *return_value = NULL;
+    int return_value;
 
 #ifdef MS_WINDOWS
     DWORD attr;
@@ -2681,11 +2567,11 @@ os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd, int effe
 
 #ifndef HAVE_FACCESSAT
     if (follow_symlinks_specified("access", follow_symlinks))
-        goto exit;
+        return -1;
 
     if (effective_ids) {
         argument_unavailable_error("access", "effective_ids");
-        goto exit;
+        return -1;
     }
 #endif
 
@@ -2705,11 +2591,10 @@ os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd, int effe
      *     * or it's a directory.
      * (Directories cannot be read-only on Windows.)
     */
-    return_value = PyBool_FromLong(
-        (attr != INVALID_FILE_ATTRIBUTES) &&
+    return_value = (attr != INVALID_FILE_ATTRIBUTES) &&
             (!(mode & 2) ||
             !(attr & FILE_ATTRIBUTE_READONLY) ||
-            (attr & FILE_ATTRIBUTE_DIRECTORY)));
+            (attr & FILE_ATTRIBUTE_DIRECTORY));
 #else
 
     Py_BEGIN_ALLOW_THREADS
@@ -2728,12 +2613,9 @@ os_access_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd, int effe
 #endif
         result = access(path->narrow, mode);
     Py_END_ALLOW_THREADS
-    return_value = PyBool_FromLong(!result);
+    return_value = !result;
 #endif
 
-#ifndef HAVE_FACCESSAT
-exit:
-#endif
     return return_value;
 }
 
@@ -2752,7 +2634,6 @@ exit:
 
 
 #ifdef HAVE_TTYNAME
-
 /*[clinic input]
 os.ttyname -> DecodeFSDefault
 
@@ -2764,44 +2645,9 @@ os.ttyname -> DecodeFSDefault
 Return the name of the terminal device connected to 'fd'.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(os_ttyname__doc__,
-"ttyname($module, fd, /)\n"
-"--\n"
-"\n"
-"Return the name of the terminal device connected to \'fd\'.\n"
-"\n"
-"  fd\n"
-"    Integer file descriptor handle.");
-
-#define OS_TTYNAME_METHODDEF    \
-    {"ttyname", (PyCFunction)os_ttyname, METH_VARARGS, os_ttyname__doc__},
-
-static char *
-os_ttyname_impl(PyModuleDef *module, int fd);
-
-static PyObject *
-os_ttyname(PyModuleDef *module, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    int fd;
-    char *_return_value;
-
-    if (!PyArg_ParseTuple(args,
-        "i:ttyname",
-        &fd))
-        goto exit;
-    _return_value = os_ttyname_impl(module, fd);
-    if (_return_value == NULL)
-        goto exit;
-    return_value = PyUnicode_DecodeFSDefault(_return_value);
-
-exit:
-    return return_value;
-}
-
 static char *
 os_ttyname_impl(PyModuleDef *module, int fd)
-/*[clinic end generated code: output=cee7bc4cffec01a2 input=5f72ca83e76b3b45]*/
+/*[clinic end generated code: output=03ad3d5ccaef75c3 input=5f72ca83e76b3b45]*/
 {
     char *ret;
 
@@ -2810,17 +2656,18 @@ os_ttyname_impl(PyModuleDef *module, int fd)
         posix_error();
     return ret;
 }
-#else
-#define OS_TTYNAME_METHODDEF
 #endif
 
 #ifdef HAVE_CTERMID
-PyDoc_STRVAR(posix_ctermid__doc__,
-"ctermid() -> string\n\n\
-Return the name of the controlling terminal for this process.");
+/*[clinic input]
+os.ctermid
+
+Return the name of the controlling terminal for this process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_ctermid(PyObject *self, PyObject *noargs)
+os_ctermid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=1b73788201e0aebd input=3b87fdd52556382d]*/
 {
     char *ret;
     char buffer[L_ctermid];
@@ -2834,106 +2681,112 @@ posix_ctermid(PyObject *self, PyObject *noargs)
         return posix_error();
     return PyUnicode_DecodeFSDefault(buffer);
 }
-#endif
+#endif /* HAVE_CTERMID */
 
-PyDoc_STRVAR(posix_chdir__doc__,
-"chdir(path)\n\n\
-Change the current working directory to the specified path.\n\
-\n\
-path may always be specified as a string.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.");
+
+/*[clinic input]
+os.chdir
+
+    path: path_t(allow_fd='PATH_HAVE_FCHDIR')
+
+Change the current working directory to the specified path.
+
+path may always be specified as a string.
+On some platforms, path may also be specified as an open file descriptor.
+  If this functionality is unavailable, using it raises an exception.
+[clinic start generated code]*/
 
 static PyObject *
-posix_chdir(PyObject *self, PyObject *args, PyObject *kwargs)
+os_chdir_impl(PyModuleDef *module, path_t *path)
+/*[clinic end generated code: output=7358e3a20fb5aa93 input=1a4a15b4d12cb15d]*/
 {
-    path_t path;
     int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", NULL};
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "chdir";
-#ifdef HAVE_FCHDIR
-    path.allow_fd = 1;
-#endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&:chdir", keywords,
-        path_converter, &path
-        ))
-        return NULL;
 
     Py_BEGIN_ALLOW_THREADS
 #ifdef MS_WINDOWS
-    if (path.wide)
-        result = win32_wchdir(path.wide);
+    if (path->wide)
+        result = win32_wchdir(path->wide);
     else
-        result = win32_chdir(path.narrow);
+        result = win32_chdir(path->narrow);
     result = !result; /* on unix, success = 0, on windows, success = !0 */
 #else
 #ifdef HAVE_FCHDIR
-    if (path.fd != -1)
-        result = fchdir(path.fd);
+    if (path->fd != -1)
+        result = fchdir(path->fd);
     else
 #endif
-        result = chdir(path.narrow);
+        result = chdir(path->narrow);
 #endif
     Py_END_ALLOW_THREADS
 
     if (result) {
-        return_value = path_error(&path);
-        goto exit;
+        return path_error(path);
     }
 
-    return_value = Py_None;
-    Py_INCREF(Py_None);
-
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 
+
 #ifdef HAVE_FCHDIR
-PyDoc_STRVAR(posix_fchdir__doc__,
-"fchdir(fd)\n\n\
-Change to the directory of the given file descriptor.  fd must be\n\
-opened on a directory, not a file.  Equivalent to os.chdir(fd).");
+/*[clinic input]
+os.fchdir
+
+    fd: fildes
+
+Change to the directory of the given file descriptor.
+
+fd must be opened on a directory, not a file.
+Equivalent to os.chdir(fd).
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_fchdir(PyObject *self, PyObject *fdobj)
+os_fchdir_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=361d30df6b2d3418 input=18e816479a2fa985]*/
 {
-    return posix_fildes(fdobj, fchdir);
+    return posix_fildes_fd(fd, fchdir);
 }
 #endif /* HAVE_FCHDIR */
 
 
-PyDoc_STRVAR(posix_chmod__doc__,
-"chmod(path, mode, *, dir_fd=None, follow_symlinks=True)\n\n\
-Change the access permissions of a file.\n\
-\n\
-path may always be specified as a string.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, chmod will modify the symbolic link itself instead of the file the\n\
-  link points to.\n\
-It is an error to use dir_fd or follow_symlinks when specifying path as\n\
-  an open file descriptor.\n\
-dir_fd and follow_symlinks may not be implemented on your platform.\n\
-  If they are unavailable, using them will raise a NotImplementedError.");
+/*[clinic input]
+os.chmod
+
+    path: path_t(allow_fd='PATH_HAVE_FCHMOD')
+        Path to be modified.  May always be specified as a str or bytes.
+        On some platforms, path may also be specified as an open file descriptor.
+        If this functionality is unavailable, using it raises an exception.
+
+    mode: int
+        Operating-system mode bitfield.
+
+    *
+
+    dir_fd : dir_fd(requires='fchmodat') = None
+        If not None, it should be a file descriptor open to a directory,
+        and path should be relative; path will then be relative to that
+        directory.
+
+    follow_symlinks: bool = True
+        If False, and the last element of the path is a symbolic link,
+        chmod will modify the symbolic link itself instead of the file
+        the link points to.
+
+Change the access permissions of a file.
+
+It is an error to use dir_fd or follow_symlinks when specifying path as
+  an open file descriptor.
+dir_fd and follow_symlinks may not be implemented on your platform.
+  If they are unavailable, using them will raise a NotImplementedError.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_chmod(PyObject *self, PyObject *args, PyObject *kwargs)
+os_chmod_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd,
+              int follow_symlinks)
+/*[clinic end generated code: output=05e7f73b1a843ba2 input=7f1618e5e15cc196]*/
 {
-    path_t path;
-    int mode;
-    int dir_fd = DEFAULT_DIR_FD;
-    int follow_symlinks = 1;
     int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "mode", "dir_fd",
-                               "follow_symlinks", NULL};
 
 #ifdef MS_WINDOWS
     DWORD attr;
@@ -2943,33 +2796,17 @@ posix_chmod(PyObject *self, PyObject *args, PyObject *kwargs)
     int fchmodat_nofollow_unsupported = 0;
 #endif
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "chmod";
-#ifdef HAVE_FCHMOD
-    path.allow_fd = 1;
-#endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&i|$O&p:chmod", keywords,
-        path_converter, &path,
-        &mode,
-#ifdef HAVE_FCHMODAT
-        dir_fd_converter, &dir_fd,
-#else
-        dir_fd_unavailable, &dir_fd,
-#endif
-        &follow_symlinks))
-        return NULL;
-
 #if !(defined(HAVE_FCHMODAT) || defined(HAVE_LCHMOD))
     if (follow_symlinks_specified("chmod", follow_symlinks))
-        goto exit;
+        return NULL;
 #endif
 
 #ifdef MS_WINDOWS
     Py_BEGIN_ALLOW_THREADS
-    if (path.wide)
-        attr = GetFileAttributesW(path.wide);
+    if (path->wide)
+        attr = GetFileAttributesW(path->wide);
     else
-        attr = GetFileAttributesA(path.narrow);
+        attr = GetFileAttributesA(path->narrow);
     if (attr == INVALID_FILE_ATTRIBUTES)
         result = 0;
     else {
@@ -2977,27 +2814,26 @@ posix_chmod(PyObject *self, PyObject *args, PyObject *kwargs)
             attr &= ~FILE_ATTRIBUTE_READONLY;
         else
             attr |= FILE_ATTRIBUTE_READONLY;
-        if (path.wide)
-            result = SetFileAttributesW(path.wide, attr);
+        if (path->wide)
+            result = SetFileAttributesW(path->wide, attr);
         else
-            result = SetFileAttributesA(path.narrow, attr);
+            result = SetFileAttributesA(path->narrow, attr);
     }
     Py_END_ALLOW_THREADS
 
     if (!result) {
-        return_value = path_error(&path);
-        goto exit;
+        return path_error(path);
     }
 #else /* MS_WINDOWS */
     Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_FCHMOD
-    if (path.fd != -1)
-        result = fchmod(path.fd, mode);
+    if (path->fd != -1)
+        result = fchmod(path->fd, mode);
     else
 #endif
 #ifdef HAVE_LCHMOD
     if ((!follow_symlinks) && (dir_fd == DEFAULT_DIR_FD))
-        result = lchmod(path.narrow, mode);
+        result = lchmod(path->narrow, mode);
     else
 #endif
 #ifdef HAVE_FCHMODAT
@@ -3012,7 +2848,7 @@ posix_chmod(PyObject *self, PyObject *args, PyObject *kwargs)
          * support dir_fd and follow_symlinks=False.  (Hopefully.)
          * Until then, we need to be careful what exception we raise.
          */
-        result = fchmodat(dir_fd, path.narrow, mode,
+        result = fchmodat(dir_fd, path->narrow, mode,
                           follow_symlinks ? 0 : AT_SYMLINK_NOFOLLOW);
         /*
          * But wait!  We can't throw the exception without allowing threads,
@@ -3025,7 +2861,7 @@ posix_chmod(PyObject *self, PyObject *args, PyObject *kwargs)
     }
     else
 #endif
-        result = chmod(path.narrow, mode);
+        result = chmod(path->narrow, mode);
     Py_END_ALLOW_THREADS
 
     if (result) {
@@ -3039,272 +2875,289 @@ posix_chmod(PyObject *self, PyObject *args, PyObject *kwargs)
         }
         else
 #endif
-            return_value = path_error(&path);
-        goto exit;
+        return path_error(path);
     }
 #endif
 
-    Py_INCREF(Py_None);
-    return_value = Py_None;
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 
 
 #ifdef HAVE_FCHMOD
-PyDoc_STRVAR(posix_fchmod__doc__,
-"fchmod(fd, mode)\n\n\
-Change the access permissions of the file given by file\n\
-descriptor fd.  Equivalent to os.chmod(fd, mode).");
+/*[clinic input]
+os.fchmod
+
+    fd: int
+    mode: int
+
+Change the access permissions of the file given by file descriptor fd.
+
+Equivalent to os.chmod(fd, mode).
+[clinic start generated code]*/
 
 static PyObject *
-posix_fchmod(PyObject *self, PyObject *args)
+os_fchmod_impl(PyModuleDef *module, int fd, int mode)
+/*[clinic end generated code: output=2ee31ca226d1ed33 input=8ab11975ca01ee5b]*/
 {
-    int fd, mode, res;
-    if (!PyArg_ParseTuple(args, "ii:fchmod", &fd, &mode))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    res = fchmod(fd, mode);
-    Py_END_ALLOW_THREADS
-    if (res < 0)
-        return posix_error();
+    int res;
+    int async_err = 0;
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = fchmod(fd, mode);
+        Py_END_ALLOW_THREADS
+    } while (res != 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res != 0)
+        return (!async_err) ? posix_error() : NULL;
+
     Py_RETURN_NONE;
 }
 #endif /* HAVE_FCHMOD */
 
+
 #ifdef HAVE_LCHMOD
-PyDoc_STRVAR(posix_lchmod__doc__,
-"lchmod(path, mode)\n\n\
-Change the access permissions of a file. If path is a symlink, this\n\
-affects the link itself rather than the target.\n\
-Equivalent to chmod(path, mode, follow_symlinks=False).");
+/*[clinic input]
+os.lchmod
+
+    path: path_t
+    mode: int
+
+Change the access permissions of a file, without following symbolic links.
+
+If path is a symlink, this affects the link itself rather than the target.
+Equivalent to chmod(path, mode, follow_symlinks=False)."
+[clinic start generated code]*/
 
 static PyObject *
-posix_lchmod(PyObject *self, PyObject *args)
+os_lchmod_impl(PyModuleDef *module, path_t *path, int mode)
+/*[clinic end generated code: output=7c0cc46588d89e46 input=90c5663c7465d24f]*/
 {
-    path_t path;
-    int i;
     int res;
-    memset(&path, 0, sizeof(path));
-    path.function_name = "lchmod";
-    if (!PyArg_ParseTuple(args, "O&i:lchmod",
-                          path_converter, &path, &i))
-        return NULL;
     Py_BEGIN_ALLOW_THREADS
-    res = lchmod(path.narrow, i);
+    res = lchmod(path->narrow, mode);
     Py_END_ALLOW_THREADS
     if (res < 0) {
-        path_error(&path);
-        path_cleanup(&path);
+        path_error(path);
         return NULL;
     }
-    path_cleanup(&path);
     Py_RETURN_NONE;
 }
 #endif /* HAVE_LCHMOD */
 
 
 #ifdef HAVE_CHFLAGS
-PyDoc_STRVAR(posix_chflags__doc__,
-"chflags(path, flags, *, follow_symlinks=True)\n\n\
-Set file flags.\n\
-\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, chflags will change flags on the symbolic link itself instead of the\n\
-  file the link points to.\n\
-follow_symlinks may not be implemented on your platform.  If it is\n\
-unavailable, using it will raise a NotImplementedError.");
+/*[clinic input]
+os.chflags
+
+    path: path_t
+    flags: unsigned_long(bitwise=True)
+    follow_symlinks: bool=True
+
+Set file flags.
+
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, chflags will change flags on the symbolic link itself instead of the
+  file the link points to.
+follow_symlinks may not be implemented on your platform.  If it is
+unavailable, using it will raise a NotImplementedError.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_chflags(PyObject *self, PyObject *args, PyObject *kwargs)
+os_chflags_impl(PyModuleDef *module, path_t *path, unsigned long flags,
+                int follow_symlinks)
+/*[clinic end generated code: output=ff2d6e73534a95b9 input=0327e29feb876236]*/
 {
-    path_t path;
-    unsigned long flags;
-    int follow_symlinks = 1;
     int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "flags", "follow_symlinks", NULL};
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "chflags";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&k|$i:chflags", keywords,
-                          path_converter, &path,
-                          &flags, &follow_symlinks))
-        return NULL;
 
 #ifndef HAVE_LCHFLAGS
     if (follow_symlinks_specified("chflags", follow_symlinks))
-        goto exit;
+        return NULL;
 #endif
 
     Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_LCHFLAGS
     if (!follow_symlinks)
-        result = lchflags(path.narrow, flags);
+        result = lchflags(path->narrow, flags);
     else
 #endif
-        result = chflags(path.narrow, flags);
+        result = chflags(path->narrow, flags);
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error(&path);
-        goto exit;
-    }
-
-    return_value = Py_None;
-    Py_INCREF(Py_None);
+    if (result)
+        return path_error(path);
 
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_CHFLAGS */
 
+
 #ifdef HAVE_LCHFLAGS
-PyDoc_STRVAR(posix_lchflags__doc__,
-"lchflags(path, flags)\n\n\
-Set file flags.\n\
-This function will not follow symbolic links.\n\
-Equivalent to chflags(path, flags, follow_symlinks=False).");
+/*[clinic input]
+os.lchflags
+
+    path: path_t
+    flags: unsigned_long(bitwise=True)
+
+Set file flags.
+
+This function will not follow symbolic links.
+Equivalent to chflags(path, flags, follow_symlinks=False).
+[clinic start generated code]*/
 
 static PyObject *
-posix_lchflags(PyObject *self, PyObject *args)
+os_lchflags_impl(PyModuleDef *module, path_t *path, unsigned long flags)
+/*[clinic end generated code: output=6741322fb949661b input=f9f82ea8b585ca9d]*/
 {
-    path_t path;
-    unsigned long flags;
     int res;
-    memset(&path, 0, sizeof(path));
-    path.function_name = "lchflags";
-    if (!PyArg_ParseTuple(args, "O&k:lchflags",
-                          path_converter, &path, &flags))
-        return NULL;
     Py_BEGIN_ALLOW_THREADS
-    res = lchflags(path.narrow, flags);
+    res = lchflags(path->narrow, flags);
     Py_END_ALLOW_THREADS
     if (res < 0) {
-        path_error(&path);
-        path_cleanup(&path);
-        return NULL;
+        return path_error(path);
     }
-    path_cleanup(&path);
     Py_RETURN_NONE;
 }
 #endif /* HAVE_LCHFLAGS */
 
+
 #ifdef HAVE_CHROOT
-PyDoc_STRVAR(posix_chroot__doc__,
-"chroot(path)\n\n\
-Change root directory to path.");
+/*[clinic input]
+os.chroot
+    path: path_t
+
+Change root directory to path.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_chroot(PyObject *self, PyObject *args)
+os_chroot_impl(PyModuleDef *module, path_t *path)
+/*[clinic end generated code: output=b6dbfabe74ecaa9d input=14822965652c3dc3]*/
 {
-    return posix_1str("chroot", args, "O&:chroot", chroot);
+    int res;
+    Py_BEGIN_ALLOW_THREADS
+    res = chroot(path->narrow);
+    Py_END_ALLOW_THREADS
+    if (res < 0)
+        return path_error(path);
+    Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_CHROOT */
+
 
 #ifdef HAVE_FSYNC
-PyDoc_STRVAR(posix_fsync__doc__,
-"fsync(fildes)\n\n\
-force write of file with filedescriptor to disk.");
+/*[clinic input]
+os.fsync
+
+    fd: fildes
+
+Force write of fd to disk.
+[clinic start generated code]*/
 
 static PyObject *
-posix_fsync(PyObject *self, PyObject *fdobj)
+os_fsync_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=83a350851064aea7 input=21c3645c056967f2]*/
 {
-    return posix_fildes(fdobj, fsync);
+    return posix_fildes_fd(fd, fsync);
 }
 #endif /* HAVE_FSYNC */
 
+
 #ifdef HAVE_SYNC
-PyDoc_STRVAR(posix_sync__doc__,
-"sync()\n\n\
-Force write of everything to disk.");
+/*[clinic input]
+os.sync
+
+Force write of everything to disk.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sync(PyObject *self, PyObject *noargs)
+os_sync_impl(PyModuleDef *module)
+/*[clinic end generated code: output=ba524f656c201c40 input=84749fe5e9b404ff]*/
 {
     Py_BEGIN_ALLOW_THREADS
     sync();
     Py_END_ALLOW_THREADS
     Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_SYNC */
 
-#ifdef HAVE_FDATASYNC
 
+#ifdef HAVE_FDATASYNC
 #ifdef __hpux
 extern int fdatasync(int); /* On HP-UX, in libc but not in unistd.h */
 #endif
 
-PyDoc_STRVAR(posix_fdatasync__doc__,
-"fdatasync(fildes)\n\n\
-force write of file with filedescriptor to disk.\n\
- does not force update of metadata.");
+/*[clinic input]
+os.fdatasync
+
+    fd: fildes
+
+Force write of fd to disk without forcing update of metadata.
+[clinic start generated code]*/
 
 static PyObject *
-posix_fdatasync(PyObject *self, PyObject *fdobj)
+os_fdatasync_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=e0f04a3aff515b75 input=bc74791ee54dd291]*/
 {
-    return posix_fildes(fdobj, fdatasync);
+    return posix_fildes_fd(fd, fdatasync);
 }
 #endif /* HAVE_FDATASYNC */
 
 
 #ifdef HAVE_CHOWN
-PyDoc_STRVAR(posix_chown__doc__,
-"chown(path, uid, gid, *, dir_fd=None, follow_symlinks=True)\n\n\
-Change the owner and group id of path to the numeric uid and gid.\n\
-\n\
-path may always be specified as a string.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, chown will modify the symbolic link itself instead of the file the\n\
-  link points to.\n\
-It is an error to use dir_fd or follow_symlinks when specifying path as\n\
-  an open file descriptor.\n\
-dir_fd and follow_symlinks may not be implemented on your platform.\n\
-  If they are unavailable, using them will raise a NotImplementedError.");
+/*[clinic input]
+os.chown
+
+    path : path_t(allow_fd='PATH_HAVE_FCHOWN')
+        Path to be examined; can be string, bytes, or open-file-descriptor int.
+
+    uid: uid_t
+
+    gid: gid_t
+
+    *
+
+    dir_fd : dir_fd(requires='fchownat') = None
+        If not None, it should be a file descriptor open to a directory,
+        and path should be relative; path will then be relative to that
+        directory.
+
+    follow_symlinks: bool = True
+        If False, and the last element of the path is a symbolic link,
+        stat will examine the symbolic link itself instead of the file
+        the link points to.
+
+Change the owner and group id of path to the numeric uid and gid.\
+
+path may always be specified as a string.
+On some platforms, path may also be specified as an open file descriptor.
+  If this functionality is unavailable, using it raises an exception.
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, chown will modify the symbolic link itself instead of the file the
+  link points to.
+It is an error to use dir_fd or follow_symlinks when specifying path as
+  an open file descriptor.
+dir_fd and follow_symlinks may not be implemented on your platform.
+  If they are unavailable, using them will raise a NotImplementedError.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_chown(PyObject *self, PyObject *args, PyObject *kwargs)
+os_chown_impl(PyModuleDef *module, path_t *path, uid_t uid, gid_t gid,
+              int dir_fd, int follow_symlinks)
+/*[clinic end generated code: output=e0a4559f394dbd91 input=a61cc35574814d5d]*/
 {
-    path_t path;
-    uid_t uid;
-    gid_t gid;
-    int dir_fd = DEFAULT_DIR_FD;
-    int follow_symlinks = 1;
     int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "uid", "gid", "dir_fd",
-                               "follow_symlinks", NULL};
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "chown";
-#ifdef HAVE_FCHOWN
-    path.allow_fd = 1;
-#endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&O&|$O&p:chown", keywords,
-                                     path_converter, &path,
-                                     _Py_Uid_Converter, &uid,
-                                     _Py_Gid_Converter, &gid,
-#ifdef HAVE_FCHOWNAT
-                                     dir_fd_converter, &dir_fd,
-#else
-                                     dir_fd_unavailable, &dir_fd,
-#endif
-                                     &follow_symlinks))
-        return NULL;
 
 #if !(defined(HAVE_LCHOWN) || defined(HAVE_FCHOWNAT))
     if (follow_symlinks_specified("chown", follow_symlinks))
-        goto exit;
+        return NULL;
 #endif
-    if (dir_fd_and_fd_invalid("chown", dir_fd, path.fd) ||
-        fd_and_follow_symlinks_invalid("chown", path.fd, follow_symlinks))
-        goto exit;
+    if (dir_fd_and_fd_invalid("chown", dir_fd, path->fd) ||
+        fd_and_follow_symlinks_invalid("chown", path->fd, follow_symlinks))
+        return NULL;
 
 #ifdef __APPLE__
     /*
@@ -3315,102 +3168,98 @@ posix_chown(PyObject *self, PyObject *args, PyObject *kwargs)
      */
     if ((!follow_symlinks) && (lchown == NULL)) {
         follow_symlinks_specified("chown", follow_symlinks);
-        goto exit;
+        return NULL;
     }
 #endif
 
     Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_FCHOWN
-    if (path.fd != -1)
-        result = fchown(path.fd, uid, gid);
+    if (path->fd != -1)
+        result = fchown(path->fd, uid, gid);
     else
 #endif
 #ifdef HAVE_LCHOWN
     if ((!follow_symlinks) && (dir_fd == DEFAULT_DIR_FD))
-        result = lchown(path.narrow, uid, gid);
+        result = lchown(path->narrow, uid, gid);
     else
 #endif
 #ifdef HAVE_FCHOWNAT
     if ((dir_fd != DEFAULT_DIR_FD) || (!follow_symlinks))
-        result = fchownat(dir_fd, path.narrow, uid, gid,
+        result = fchownat(dir_fd, path->narrow, uid, gid,
                           follow_symlinks ? 0 : AT_SYMLINK_NOFOLLOW);
     else
 #endif
-        result = chown(path.narrow, uid, gid);
+        result = chown(path->narrow, uid, gid);
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error(&path);
-        goto exit;
-    }
-
-    return_value = Py_None;
-    Py_INCREF(Py_None);
+    if (result)
+        return path_error(path);
 
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_CHOWN */
 
+
 #ifdef HAVE_FCHOWN
-PyDoc_STRVAR(posix_fchown__doc__,
-"fchown(fd, uid, gid)\n\n\
-Change the owner and group id of the file given by file descriptor\n\
-fd to the numeric uid and gid.  Equivalent to os.chown(fd, uid, gid).");
+/*[clinic input]
+os.fchown
+
+    fd: int
+    uid: uid_t
+    gid: gid_t
+
+Change the owner and group id of the file specified by file descriptor.
+
+Equivalent to os.chown(fd, uid, gid).
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_fchown(PyObject *self, PyObject *args)
+os_fchown_impl(PyModuleDef *module, int fd, uid_t uid, gid_t gid)
+/*[clinic end generated code: output=7545abf8f6086d76 input=3af544ba1b13a0d7]*/
 {
-    int fd;
-    uid_t uid;
-    gid_t gid;
     int res;
-    if (!PyArg_ParseTuple(args, "iO&O&:fchown", &fd,
-                          _Py_Uid_Converter, &uid,
-                          _Py_Gid_Converter, &gid))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    res = fchown(fd, uid, gid);
-    Py_END_ALLOW_THREADS
-    if (res < 0)
-        return posix_error();
+    int async_err = 0;
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = fchown(fd, uid, gid);
+        Py_END_ALLOW_THREADS
+    } while (res != 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res != 0)
+        return (!async_err) ? posix_error() : NULL;
+
     Py_RETURN_NONE;
 }
 #endif /* HAVE_FCHOWN */
 
+
 #ifdef HAVE_LCHOWN
-PyDoc_STRVAR(posix_lchown__doc__,
-"lchown(path, uid, gid)\n\n\
-Change the owner and group id of path to the numeric uid and gid.\n\
-This function will not follow symbolic links.\n\
-Equivalent to os.chown(path, uid, gid, follow_symlinks=False).");
+/*[clinic input]
+os.lchown
+
+    path : path_t
+    uid: uid_t
+    gid: gid_t
+
+Change the owner and group id of path to the numeric uid and gid.
+
+This function will not follow symbolic links.
+Equivalent to os.chown(path, uid, gid, follow_symlinks=False).
+[clinic start generated code]*/
 
 static PyObject *
-posix_lchown(PyObject *self, PyObject *args)
+os_lchown_impl(PyModuleDef *module, path_t *path, uid_t uid, gid_t gid)
+/*[clinic end generated code: output=bb0d2da1579ac275 input=b1c6014d563a7161]*/
 {
-    path_t path;
-    uid_t uid;
-    gid_t gid;
     int res;
-    memset(&path, 0, sizeof(path));
-    path.function_name = "lchown";
-    if (!PyArg_ParseTuple(args, "O&O&O&:lchown",
-                          path_converter, &path,
-                          _Py_Uid_Converter, &uid,
-                          _Py_Gid_Converter, &gid))
-        return NULL;
     Py_BEGIN_ALLOW_THREADS
-    res = lchown(path.narrow, uid, gid);
+    res = lchown(path->narrow, uid, gid);
     Py_END_ALLOW_THREADS
     if (res < 0) {
-        path_error(&path);
-        path_cleanup(&path);
-        return NULL;
+        return path_error(path);
     }
-    path_cleanup(&path);
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_LCHOWN */
 
@@ -3467,148 +3316,125 @@ posix_getcwd(int use_bytes)
     return PyUnicode_DecodeFSDefault(buf);
 }
 
-PyDoc_STRVAR(posix_getcwd__doc__,
-"getcwd() -> path\n\n\
-Return a unicode string representing the current working directory.");
+
+/*[clinic input]
+os.getcwd
+
+Return a unicode string representing the current working directory.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getcwd_unicode(PyObject *self)
+os_getcwd_impl(PyModuleDef *module)
+/*[clinic end generated code: output=efe3a8c0121525ea input=f069211bb70e3d39]*/
 {
     return posix_getcwd(0);
 }
 
-PyDoc_STRVAR(posix_getcwdb__doc__,
-"getcwdb() -> path\n\n\
-Return a bytes string representing the current working directory.");
+
+/*[clinic input]
+os.getcwdb
+
+Return a bytes string representing the current working directory.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getcwd_bytes(PyObject *self)
+os_getcwdb_impl(PyModuleDef *module)
+/*[clinic end generated code: output=7fce42ee4b2a296a input=f6f6a378dad3d9cb]*/
 {
     return posix_getcwd(1);
 }
 
+
 #if ((!defined(HAVE_LINK)) && defined(MS_WINDOWS))
 #define HAVE_LINK 1
 #endif
 
 #ifdef HAVE_LINK
-PyDoc_STRVAR(posix_link__doc__,
-"link(src, dst, *, src_dir_fd=None, dst_dir_fd=None, follow_symlinks=True)\n\n\
-Create a hard link to a file.\n\
-\n\
-If either src_dir_fd or dst_dir_fd is not None, it should be a file\n\
-  descriptor open to a directory, and the respective path string (src or dst)\n\
-  should be relative; the path will then be relative to that directory.\n\
-If follow_symlinks is False, and the last element of src is a symbolic\n\
-  link, link will create a link to the symbolic link itself instead of the\n\
-  file the link points to.\n\
-src_dir_fd, dst_dir_fd, and follow_symlinks may not be implemented on your\n\
-  platform.  If they are unavailable, using them will raise a\n\
-  NotImplementedError.");
-
-static PyObject *
-posix_link(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    path_t src, dst;
-    int src_dir_fd = DEFAULT_DIR_FD;
-    int dst_dir_fd = DEFAULT_DIR_FD;
-    int follow_symlinks = 1;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"src", "dst", "src_dir_fd", "dst_dir_fd",
-                               "follow_symlinks", NULL};
+/*[clinic input]
+
+os.link
+
+    src : path_t
+    dst : path_t
+    *
+    src_dir_fd : dir_fd = None
+    dst_dir_fd : dir_fd = None
+    follow_symlinks: bool = True
+
+Create a hard link to a file.
+
+If either src_dir_fd or dst_dir_fd is not None, it should be a file
+  descriptor open to a directory, and the respective path string (src or dst)
+  should be relative; the path will then be relative to that directory.
+If follow_symlinks is False, and the last element of src is a symbolic
+  link, link will create a link to the symbolic link itself instead of the
+  file the link points to.
+src_dir_fd, dst_dir_fd, and follow_symlinks may not be implemented on your
+  platform.  If they are unavailable, using them will raise a
+  NotImplementedError.
+[clinic start generated code]*/
+
+static PyObject *
+os_link_impl(PyModuleDef *module, path_t *src, path_t *dst, int src_dir_fd,
+             int dst_dir_fd, int follow_symlinks)
+/*[clinic end generated code: output=f47a7e88f7b391b6 input=b0095ebbcbaa7e04]*/
+{
 #ifdef MS_WINDOWS
     BOOL result;
 #else
     int result;
 #endif
 
-    memset(&src, 0, sizeof(src));
-    memset(&dst, 0, sizeof(dst));
-    src.function_name = "link";
-    dst.function_name = "link";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&|O&O&p:link", keywords,
-            path_converter, &src,
-            path_converter, &dst,
-            dir_fd_converter, &src_dir_fd,
-            dir_fd_converter, &dst_dir_fd,
-            &follow_symlinks))
-        return NULL;
-
 #ifndef HAVE_LINKAT
     if ((src_dir_fd != DEFAULT_DIR_FD) || (dst_dir_fd != DEFAULT_DIR_FD)) {
         argument_unavailable_error("link", "src_dir_fd and dst_dir_fd");
-        goto exit;
+        return NULL;
     }
 #endif
 
-    if ((src.narrow && dst.wide) || (src.wide && dst.narrow)) {
+    if ((src->narrow && dst->wide) || (src->wide && dst->narrow)) {
         PyErr_SetString(PyExc_NotImplementedError,
                         "link: src and dst must be the same type");
-        goto exit;
+        return NULL;
     }
 
 #ifdef MS_WINDOWS
     Py_BEGIN_ALLOW_THREADS
-    if (src.wide)
-        result = CreateHardLinkW(dst.wide, src.wide, NULL);
+    if (src->wide)
+        result = CreateHardLinkW(dst->wide, src->wide, NULL);
     else
-        result = CreateHardLinkA(dst.narrow, src.narrow, NULL);
+        result = CreateHardLinkA(dst->narrow, src->narrow, NULL);
     Py_END_ALLOW_THREADS
 
-    if (!result) {
-        return_value = path_error2(&src, &dst);
-        goto exit;
-    }
+    if (!result)
+        return path_error2(src, dst);
 #else
     Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_LINKAT
     if ((src_dir_fd != DEFAULT_DIR_FD) ||
         (dst_dir_fd != DEFAULT_DIR_FD) ||
         (!follow_symlinks))
-        result = linkat(src_dir_fd, src.narrow,
-            dst_dir_fd, dst.narrow,
+        result = linkat(src_dir_fd, src->narrow,
+            dst_dir_fd, dst->narrow,
             follow_symlinks ? AT_SYMLINK_FOLLOW : 0);
     else
 #endif
-        result = link(src.narrow, dst.narrow);
+        result = link(src->narrow, dst->narrow);
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error2(&src, &dst);
-        goto exit;
-    }
+    if (result)
+        return path_error2(src, dst);
 #endif
 
-    return_value = Py_None;
-    Py_INCREF(Py_None);
-
-exit:
-    path_cleanup(&src);
-    path_cleanup(&dst);
-    return return_value;
+    Py_RETURN_NONE;
 }
 #endif
 
 
-
-PyDoc_STRVAR(posix_listdir__doc__,
-"listdir(path='.') -> list_of_filenames\n\n\
-Return a list containing the names of the files in the directory.\n\
-The list is in arbitrary order.  It does not include the special\n\
-entries '.' and '..' even if they are present in the directory.\n\
-\n\
-path can be specified as either str or bytes.  If path is bytes,\n\
-  the filenames returned will also be bytes; in all other circumstances\n\
-  the filenames returned will be str.\n\
-On some platforms, path may also be specified as an open file descriptor;\n\
-  the file descriptor must refer to a directory.\n\
-  If this functionality is unavailable, using it raises NotImplementedError.");
-
 #if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
 static PyObject *
 _listdir_windows_no_opendir(path_t *path, PyObject *list)
 {
-    static char *keywords[] = {"path", NULL};
     PyObject *v;
     HANDLE hFindFile = INVALID_HANDLE_VALUE;
     BOOL result;
@@ -3867,38 +3693,42 @@ exit:
 }  /* end of _posix_listdir */
 #endif  /* which OS */
 
-static PyObject *
-posix_listdir(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    path_t path;
-    PyObject *list = NULL;
-    static char *keywords[] = {"path", NULL};
-    PyObject *return_value;
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "listdir";
-    path.nullable = 1;
-#ifdef HAVE_FDOPENDIR
-    path.allow_fd = 1;
-    path.fd = -1;
-#endif
+/*[clinic input]
+os.listdir
+
+    path : path_t(nullable=True, allow_fd='PATH_HAVE_FDOPENDIR') = None
+
+Return a list containing the names of the files in the directory.
+
+path can be specified as either str or bytes.  If path is bytes,
+  the filenames returned will also be bytes; in all other circumstances
+  the filenames returned will be str.
+If path is None, uses the path='.'.
+On some platforms, path may also be specified as an open file descriptor;\
+  the file descriptor must refer to a directory.
+  If this functionality is unavailable, using it raises NotImplementedError.
+
+The list is in arbitrary order.  It does not include the special
+entries '.' and '..' even if they are present in the directory.
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O&:listdir", keywords,
-                                     path_converter, &path)) {
-        return NULL;
-    }
 
+[clinic start generated code]*/
+
+static PyObject *
+os_listdir_impl(PyModuleDef *module, path_t *path)
+/*[clinic end generated code: output=1fbe67c1f780c8b7 input=09e300416e3cd729]*/
+{
 #if defined(MS_WINDOWS) && !defined(HAVE_OPENDIR)
-    return_value = _listdir_windows_no_opendir(&path, list);
+    return _listdir_windows_no_opendir(path, NULL);
 #else
-    return_value = _posix_listdir(&path, list);
+    return _posix_listdir(path, NULL);
 #endif
-    path_cleanup(&path);
-    return return_value;
 }
 
 #ifdef MS_WINDOWS
 /* A helper function for abspath on win32 */
+/* AC 3.5: probably just convert to using path converter */
 static PyObject *
 posix__getfullpathname(PyObject *self, PyObject *args)
 {
@@ -3954,36 +3784,35 @@ posix__getfullpathname(PyObject *self, PyObject *args)
                                 Py_FileSystemDefaultEncoding, NULL);
     }
     return PyBytes_FromString(outbuf);
-} /* end of posix__getfullpathname */
+}
+
 
+/*[clinic input]
+os._getfinalpathname
 
+    path: unicode
+    /
+
+A helper function for samepath on windows.
+[clinic start generated code]*/
 
-/* A helper function for samepath on windows */
 static PyObject *
-posix__getfinalpathname(PyObject *self, PyObject *args)
+os__getfinalpathname_impl(PyModuleDef *module, PyObject *path)
+/*[clinic end generated code: output=8be81a5f51a34bcf input=71d5e89334891bf4]*/
 {
     HANDLE hFile;
     int buf_size;
     wchar_t *target_path;
     int result_length;
-    PyObject *po, *result;
-    wchar_t *path;
+    PyObject *result;
+    wchar_t *path_wchar;
 
-    if (!PyArg_ParseTuple(args, "U|:_getfinalpathname", &po))
-        return NULL;
-    path = PyUnicode_AsUnicode(po);
-    if (path == NULL)
+    path_wchar = PyUnicode_AsUnicode(path);
+    if (path_wchar == NULL)
         return NULL;
 
-    if(!check_GetFinalPathNameByHandle()) {
-        /* If the OS doesn't have GetFinalPathNameByHandle, return a
-           NotImplementedError. */
-        return PyErr_Format(PyExc_NotImplementedError,
-            "GetFinalPathNameByHandle not available on this platform");
-    }
-
     hFile = CreateFileW(
-        path,
+        path_wchar,
         0, /* desired access */
         0, /* share mode */
         NULL, /* security attributes */
@@ -3993,37 +3822,37 @@ posix__getfinalpathname(PyObject *self, PyObject *args)
         NULL);
 
     if(hFile == INVALID_HANDLE_VALUE)
-        return win32_error_object("CreateFileW", po);
+        return win32_error_object("CreateFileW", path);
 
     /* We have a good handle to the target, use it to determine the
        target path name. */
-    buf_size = Py_GetFinalPathNameByHandleW(hFile, 0, 0, VOLUME_NAME_NT);
+    buf_size = GetFinalPathNameByHandleW(hFile, 0, 0, VOLUME_NAME_NT);
 
     if(!buf_size)
-        return win32_error_object("GetFinalPathNameByHandle", po);
+        return win32_error_object("GetFinalPathNameByHandle", path);
 
     target_path = PyMem_New(wchar_t, buf_size+1);
     if(!target_path)
         return PyErr_NoMemory();
 
-    result_length = Py_GetFinalPathNameByHandleW(hFile, target_path,
-                                                 buf_size, VOLUME_NAME_DOS);
+    result_length = GetFinalPathNameByHandleW(hFile, target_path,
+                                              buf_size, VOLUME_NAME_DOS);
     if(!result_length)
-        return win32_error_object("GetFinalPathNamyByHandle", po);
+        return win32_error_object("GetFinalPathNamyByHandle", path);
 
     if(!CloseHandle(hFile))
-        return win32_error_object("CloseHandle", po);
+        return win32_error_object("CloseHandle", path);
 
     target_path[result_length] = 0;
     result = PyUnicode_FromWideChar(target_path, result_length);
     PyMem_Free(target_path);
     return result;
-
-} /* end of posix__getfinalpathname */
+}
 
 PyDoc_STRVAR(posix__isdir__doc__,
 "Return true if the pathname refers to an existing directory.");
 
+/* AC 3.5: convert using path converter */
 static PyObject *
 posix__isdir(PyObject *self, PyObject *args)
 {
@@ -4060,22 +3889,26 @@ check:
         Py_RETURN_FALSE;
 }
 
-PyDoc_STRVAR(posix__getvolumepathname__doc__,
-"Return volume mount point of the specified path.");
 
-/* A helper function for ismount on windows */
+/*[clinic input]
+os._getvolumepathname
+
+    path: unicode
+
+A helper function for ismount on Win32.
+[clinic start generated code]*/
+
 static PyObject *
-posix__getvolumepathname(PyObject *self, PyObject *args)
+os__getvolumepathname_impl(PyModuleDef *module, PyObject *path)
+/*[clinic end generated code: output=79a0ba729f956dbe input=7eacadc40acbda6b]*/
 {
-    PyObject *po, *result;
-    wchar_t *path, *mountpath=NULL;
+    PyObject *result;
+    wchar_t *path_wchar, *mountpath=NULL;
     size_t buflen;
     BOOL ret;
 
-    if (!PyArg_ParseTuple(args, "U|:_getvolumepathname", &po))
-        return NULL;
-    path = PyUnicode_AsUnicodeAndSize(po, &buflen);
-    if (path == NULL)
+    path_wchar = PyUnicode_AsUnicodeAndSize(path, &buflen);
+    if (path_wchar == NULL)
         return NULL;
     buflen += 1;
 
@@ -4092,12 +3925,12 @@ posix__getvolumepathname(PyObject *self, PyObject *args)
         return PyErr_NoMemory();
 
     Py_BEGIN_ALLOW_THREADS
-    ret = GetVolumePathNameW(path, mountpath,
+    ret = GetVolumePathNameW(path_wchar, mountpath,
                              Py_SAFE_DOWNCAST(buflen, size_t, DWORD));
     Py_END_ALLOW_THREADS
 
     if (!ret) {
-        result = win32_error_object("_getvolumepathname", po);
+        result = win32_error_object("_getvolumepathname", path);
         goto exit;
     }
     result = PyUnicode_FromWideChar(mountpath, wcslen(mountpath));
@@ -4106,78 +3939,66 @@ exit:
     PyMem_Free(mountpath);
     return result;
 }
-/* end of posix__getvolumepathname */
 
 #endif /* MS_WINDOWS */
 
-PyDoc_STRVAR(posix_mkdir__doc__,
-"mkdir(path, mode=0o777, *, dir_fd=None)\n\n\
-Create a directory.\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.\n\
-\n\
-The mode argument is ignored on Windows.");
+
+/*[clinic input]
+os.mkdir
+
+    path : path_t
+
+    mode: int = 0o777
+
+    *
+
+    dir_fd : dir_fd(requires='mkdirat') = None
+
+# "mkdir(path, mode=0o777, *, dir_fd=None)\n\n\
+
+Create a directory.
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+
+The mode argument is ignored on Windows.
+[clinic start generated code]*/
 
 static PyObject *
-posix_mkdir(PyObject *self, PyObject *args, PyObject *kwargs)
+os_mkdir_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd)
+/*[clinic end generated code: output=8bf1f738873ef2c5 input=e965f68377e9b1ce]*/
 {
-    path_t path;
-    int mode = 0777;
-    int dir_fd = DEFAULT_DIR_FD;
-    static char *keywords[] = {"path", "mode", "dir_fd", NULL};
-    PyObject *return_value = NULL;
     int result;
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "mkdir";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|i$O&:mkdir", keywords,
-        path_converter, &path, &mode,
-#ifdef HAVE_MKDIRAT
-        dir_fd_converter, &dir_fd
-#else
-        dir_fd_unavailable, &dir_fd
-#endif
-        ))
-        return NULL;
-
 #ifdef MS_WINDOWS
     Py_BEGIN_ALLOW_THREADS
-    if (path.wide)
-        result = CreateDirectoryW(path.wide, NULL);
+    if (path->wide)
+        result = CreateDirectoryW(path->wide, NULL);
     else
-        result = CreateDirectoryA(path.narrow, NULL);
+        result = CreateDirectoryA(path->narrow, NULL);
     Py_END_ALLOW_THREADS
 
-    if (!result) {
-        return_value = path_error(&path);
-        goto exit;
-    }
+    if (!result)
+        return path_error(path);
 #else
     Py_BEGIN_ALLOW_THREADS
 #if HAVE_MKDIRAT
     if (dir_fd != DEFAULT_DIR_FD)
-        result = mkdirat(dir_fd, path.narrow, mode);
+        result = mkdirat(dir_fd, path->narrow, mode);
     else
 #endif
 #if ( defined(__WATCOMC__) || defined(PYCC_VACPP) ) && !defined(__QNX__)
-        result = mkdir(path.narrow);
+        result = mkdir(path->narrow);
 #else
-        result = mkdir(path.narrow, mode);
+        result = mkdir(path->narrow, mode);
 #endif
     Py_END_ALLOW_THREADS
-    if (result < 0) {
-        return_value = path_error(&path);
-        goto exit;
-    }
+    if (result < 0)
+        return path_error(path);
 #endif
-    return_value = Py_None;
-    Py_INCREF(Py_None);
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 
 
@@ -4188,17 +4009,20 @@ exit:
 
 
 #ifdef HAVE_NICE
-PyDoc_STRVAR(posix_nice__doc__,
-"nice(inc) -> new_priority\n\n\
-Decrease the priority of process by inc and return the new priority.");
+/*[clinic input]
+os.nice
+
+    increment: int
+    /
+
+Add increment to the priority of process and return the new priority.
+[clinic start generated code]*/
 
 static PyObject *
-posix_nice(PyObject *self, PyObject *args)
+os_nice_impl(PyModuleDef *module, int increment)
+/*[clinic end generated code: output=8870418a3fc07b51 input=864be2d402a21da2]*/
 {
-    int increment, value;
-
-    if (!PyArg_ParseTuple(args, "i:nice", &increment))
-        return NULL;
+    int value;
 
     /* There are two flavours of 'nice': one that returns the new
        priority (as required by almost all standards out there) and the
@@ -4225,17 +4049,21 @@ posix_nice(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_GETPRIORITY
-PyDoc_STRVAR(posix_getpriority__doc__,
-"getpriority(which, who) -> current_priority\n\n\
-Get program scheduling priority.");
+/*[clinic input]
+os.getpriority
+
+    which: int
+    who: int
+
+Return program scheduling priority.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getpriority(PyObject *self, PyObject *args)
+os_getpriority_impl(PyModuleDef *module, int which, int who)
+/*[clinic end generated code: output=4759937aa5b67ed6 input=9be615d40e2544ef]*/
 {
-    int which, who, retval;
+    int retval;
 
-    if (!PyArg_ParseTuple(args, "ii", &which, &who))
-        return NULL;
     errno = 0;
     retval = getpriority(which, who);
     if (errno != 0)
@@ -4246,18 +4074,23 @@ posix_getpriority(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_SETPRIORITY
-PyDoc_STRVAR(posix_setpriority__doc__,
-"setpriority(which, who, prio) -> None\n\n\
-Set program scheduling priority.");
+/*[clinic input]
+os.setpriority
+
+    which: int
+    who: int
+    priority: int
+
+Set program scheduling priority.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setpriority(PyObject *self, PyObject *args)
+os_setpriority_impl(PyModuleDef *module, int which, int who, int priority)
+/*[clinic end generated code: output=6497d3301547e7d5 input=710ccbf65b9dc513]*/
 {
-    int which, who, prio, retval;
+    int retval;
 
-    if (!PyArg_ParseTuple(args, "iii", &which, &who, &prio))
-        return NULL;
-    retval = setpriority(which, who, prio);
+    retval = setpriority(which, who, priority);
     if (retval == -1)
         return posix_error();
     Py_RETURN_NONE;
@@ -4266,17 +4099,10 @@ posix_setpriority(PyObject *self, PyObject *args)
 
 
 static PyObject *
-internal_rename(PyObject *args, PyObject *kwargs, int is_replace)
+internal_rename(path_t *src, path_t *dst, int src_dir_fd, int dst_dir_fd, int is_replace)
 {
     char *function_name = is_replace ? "replace" : "rename";
-    path_t src;
-    path_t dst;
-    int src_dir_fd = DEFAULT_DIR_FD;
-    int dst_dir_fd = DEFAULT_DIR_FD;
     int dir_fd_specified;
-    PyObject *return_value = NULL;
-    char format[24];
-    static char *keywords[] = {"src", "dst", "src_dir_fd", "dst_dir_fd", NULL};
 
 #ifdef MS_WINDOWS
     BOOL result;
@@ -4285,210 +4111,200 @@ internal_rename(PyObject *args, PyObject *kwargs, int is_replace)
     int result;
 #endif
 
-    memset(&src, 0, sizeof(src));
-    memset(&dst, 0, sizeof(dst));
-    src.function_name = function_name;
-    dst.function_name = function_name;
-    strcpy(format, "O&O&|$O&O&:");
-    strcat(format, function_name);
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, format, keywords,
-        path_converter, &src,
-        path_converter, &dst,
-        dir_fd_converter, &src_dir_fd,
-        dir_fd_converter, &dst_dir_fd))
-        return NULL;
-
     dir_fd_specified = (src_dir_fd != DEFAULT_DIR_FD) ||
                        (dst_dir_fd != DEFAULT_DIR_FD);
 #ifndef HAVE_RENAMEAT
     if (dir_fd_specified) {
         argument_unavailable_error(function_name, "src_dir_fd and dst_dir_fd");
-        goto exit;
+        return NULL;
     }
 #endif
 
-    if ((src.narrow && dst.wide) || (src.wide && dst.narrow)) {
+    if ((src->narrow && dst->wide) || (src->wide && dst->narrow)) {
         PyErr_Format(PyExc_ValueError,
                      "%s: src and dst must be the same type", function_name);
-        goto exit;
+        return NULL;
     }
 
 #ifdef MS_WINDOWS
     Py_BEGIN_ALLOW_THREADS
-    if (src.wide)
-        result = MoveFileExW(src.wide, dst.wide, flags);
+    if (src->wide)
+        result = MoveFileExW(src->wide, dst->wide, flags);
     else
-        result = MoveFileExA(src.narrow, dst.narrow, flags);
+        result = MoveFileExA(src->narrow, dst->narrow, flags);
     Py_END_ALLOW_THREADS
 
-    if (!result) {
-        return_value = path_error2(&src, &dst);
-        goto exit;
-    }
+    if (!result)
+        return path_error2(src, dst);
 
 #else
     Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_RENAMEAT
     if (dir_fd_specified)
-        result = renameat(src_dir_fd, src.narrow, dst_dir_fd, dst.narrow);
+        result = renameat(src_dir_fd, src->narrow, dst_dir_fd, dst->narrow);
     else
 #endif
-        result = rename(src.narrow, dst.narrow);
+        result = rename(src->narrow, dst->narrow);
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error2(&src, &dst);
-        goto exit;
-    }
+    if (result)
+        return path_error2(src, dst);
 #endif
-
-    Py_INCREF(Py_None);
-    return_value = Py_None;
-exit:
-    path_cleanup(&src);
-    path_cleanup(&dst);
-    return return_value;
+    Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(posix_rename__doc__,
-"rename(src, dst, *, src_dir_fd=None, dst_dir_fd=None)\n\n\
-Rename a file or directory.\n\
-\n\
-If either src_dir_fd or dst_dir_fd is not None, it should be a file\n\
-  descriptor open to a directory, and the respective path string (src or dst)\n\
-  should be relative; the path will then be relative to that directory.\n\
-src_dir_fd and dst_dir_fd, may not be implemented on your platform.\n\
-  If they are unavailable, using them will raise a NotImplementedError.");
+
+/*[clinic input]
+os.rename
+
+    src : path_t
+    dst : path_t
+    *
+    src_dir_fd : dir_fd = None
+    dst_dir_fd : dir_fd = None
+
+Rename a file or directory.
+
+If either src_dir_fd or dst_dir_fd is not None, it should be a file
+  descriptor open to a directory, and the respective path string (src or dst)
+  should be relative; the path will then be relative to that directory.
+src_dir_fd and dst_dir_fd, may not be implemented on your platform.
+  If they are unavailable, using them will raise a NotImplementedError.
+[clinic start generated code]*/
 
 static PyObject *
-posix_rename(PyObject *self, PyObject *args, PyObject *kwargs)
+os_rename_impl(PyModuleDef *module, path_t *src, path_t *dst, int src_dir_fd,
+               int dst_dir_fd)
+/*[clinic end generated code: output=08033bb2ec27fb5f input=faa61c847912c850]*/
 {
-    return internal_rename(args, kwargs, 0);
+    return internal_rename(src, dst, src_dir_fd, dst_dir_fd, 0);
 }
 
-PyDoc_STRVAR(posix_replace__doc__,
-"replace(src, dst, *, src_dir_fd=None, dst_dir_fd=None)\n\n\
-Rename a file or directory, overwriting the destination.\n\
-\n\
-If either src_dir_fd or dst_dir_fd is not None, it should be a file\n\
-  descriptor open to a directory, and the respective path string (src or dst)\n\
-  should be relative; the path will then be relative to that directory.\n\
-src_dir_fd and dst_dir_fd, may not be implemented on your platform.\n\
-  If they are unavailable, using them will raise a NotImplementedError.");
+
+/*[clinic input]
+os.replace = os.rename
+
+Rename a file or directory, overwriting the destination.
+
+If either src_dir_fd or dst_dir_fd is not None, it should be a file
+  descriptor open to a directory, and the respective path string (src or dst)
+  should be relative; the path will then be relative to that directory.
+src_dir_fd and dst_dir_fd, may not be implemented on your platform.
+  If they are unavailable, using them will raise a NotImplementedError."
+[clinic start generated code]*/
 
 static PyObject *
-posix_replace(PyObject *self, PyObject *args, PyObject *kwargs)
+os_replace_impl(PyModuleDef *module, path_t *src, path_t *dst,
+                int src_dir_fd, int dst_dir_fd)
+/*[clinic end generated code: output=131d012eed8d3b8b input=25515dfb107c8421]*/
 {
-    return internal_rename(args, kwargs, 1);
+    return internal_rename(src, dst, src_dir_fd, dst_dir_fd, 1);
 }
 
-PyDoc_STRVAR(posix_rmdir__doc__,
-"rmdir(path, *, dir_fd=None)\n\n\
-Remove a directory.\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
+
+/*[clinic input]
+os.rmdir
+
+    path: path_t
+    *
+    dir_fd: dir_fd(requires='unlinkat') = None
+
+Remove a directory.
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+[clinic start generated code]*/
 
 static PyObject *
-posix_rmdir(PyObject *self, PyObject *args, PyObject *kwargs)
+os_rmdir_impl(PyModuleDef *module, path_t *path, int dir_fd)
+/*[clinic end generated code: output=cabadec80d5a77c7 input=38c8b375ca34a7e2]*/
 {
-    path_t path;
-    int dir_fd = DEFAULT_DIR_FD;
-    static char *keywords[] = {"path", "dir_fd", NULL};
     int result;
-    PyObject *return_value = NULL;
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "rmdir";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|$O&:rmdir", keywords,
-            path_converter, &path,
-#ifdef HAVE_UNLINKAT
-            dir_fd_converter, &dir_fd
-#else
-            dir_fd_unavailable, &dir_fd
-#endif
-            ))
-        return NULL;
 
     Py_BEGIN_ALLOW_THREADS
 #ifdef MS_WINDOWS
-    if (path.wide)
-        result = RemoveDirectoryW(path.wide);
+    if (path->wide)
+        result = RemoveDirectoryW(path->wide);
     else
-        result = RemoveDirectoryA(path.narrow);
+        result = RemoveDirectoryA(path->narrow);
     result = !result; /* Windows, success=1, UNIX, success=0 */
 #else
 #ifdef HAVE_UNLINKAT
     if (dir_fd != DEFAULT_DIR_FD)
-        result = unlinkat(dir_fd, path.narrow, AT_REMOVEDIR);
+        result = unlinkat(dir_fd, path->narrow, AT_REMOVEDIR);
     else
 #endif
-        result = rmdir(path.narrow);
+        result = rmdir(path->narrow);
 #endif
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error(&path);
-        goto exit;
-    }
-
-    return_value = Py_None;
-    Py_INCREF(Py_None);
+    if (result)
+        return path_error(path);
 
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 
 
 #ifdef HAVE_SYSTEM
-PyDoc_STRVAR(posix_system__doc__,
-"system(command) -> exit_status\n\n\
-Execute the command (a string) in a subshell.");
-
-static PyObject *
-posix_system(PyObject *self, PyObject *args)
-{
-    long sts;
 #ifdef MS_WINDOWS
-    wchar_t *command;
-    if (!PyArg_ParseTuple(args, "u:system", &command))
-        return NULL;
+/*[clinic input]
+os.system -> long
 
+    command: Py_UNICODE
+
+Execute the command in a subshell.
+[clinic start generated code]*/
+
+static long
+os_system_impl(PyModuleDef *module, Py_UNICODE *command)
+/*[clinic end generated code: output=4c3bd5abcd9c29e7 input=303f5ce97df606b0]*/
+{
+    long result;
     Py_BEGIN_ALLOW_THREADS
-    sts = _wsystem(command);
+    result = _wsystem(command);
     Py_END_ALLOW_THREADS
-#else
-    PyObject *command_obj;
-    char *command;
-    if (!PyArg_ParseTuple(args, "O&:system",
-                          PyUnicode_FSConverter, &command_obj))
-        return NULL;
+    return result;
+}
+#else /* MS_WINDOWS */
+/*[clinic input]
+os.system -> long
+
+    command: FSConverter
 
-    command = PyBytes_AsString(command_obj);
+Execute the command in a subshell.
+[clinic start generated code]*/
+
+static long
+os_system_impl(PyModuleDef *module, PyObject *command)
+/*[clinic end generated code: output=800f775e10b7be55 input=86a58554ba6094af]*/
+{
+    long result;
+    char *bytes = PyBytes_AsString(command);
     Py_BEGIN_ALLOW_THREADS
-    sts = system(command);
+    result = system(bytes);
     Py_END_ALLOW_THREADS
-    Py_DECREF(command_obj);
-#endif
-    return PyLong_FromLong(sts);
+    return result;
 }
 #endif
+#endif /* HAVE_SYSTEM */
 
 
-PyDoc_STRVAR(posix_umask__doc__,
-"umask(new_mask) -> old_mask\n\n\
-Set the current numeric umask and return the previous umask.");
+/*[clinic input]
+os.umask
+
+    mask: int
+    /
+
+Set the current numeric umask and return the previous umask.
+[clinic start generated code]*/
 
 static PyObject *
-posix_umask(PyObject *self, PyObject *args)
+os_umask_impl(PyModuleDef *module, int mask)
+/*[clinic end generated code: output=9e1fe3c9f14d6a05 input=ab6bfd9b24d8a7e8]*/
 {
-    int i;
-    if (!PyArg_ParseTuple(args, "i:umask", &i))
-        return NULL;
-    i = (int)umask(i);
+    int i = (int)umask(mask);
     if (i < 0)
         return posix_error();
     return PyLong_FromLong((long)i);
@@ -4517,7 +4333,10 @@ BOOL WINAPI Py_DeleteFileW(LPCWSTR lpFileName)
             find_data_handle = FindFirstFileW(lpFileName, &find_data);
 
             if(find_data_handle != INVALID_HANDLE_VALUE) {
-                is_link = find_data.dwReserved0 == IO_REPARSE_TAG_SYMLINK;
+                /* IO_REPARSE_TAG_SYMLINK if it is a symlink and
+                   IO_REPARSE_TAG_MOUNT_POINT if it is a junction point. */
+                is_link = find_data.dwReserved0 == IO_REPARSE_TAG_SYMLINK ||
+                          find_data.dwReserved0 == IO_REPARSE_TAG_MOUNT_POINT;
                 FindClose(find_data_handle);
             }
         }
@@ -4530,81 +4349,73 @@ BOOL WINAPI Py_DeleteFileW(LPCWSTR lpFileName)
 }
 #endif /* MS_WINDOWS */
 
-PyDoc_STRVAR(posix_unlink__doc__,
-"unlink(path, *, dir_fd=None)\n\n\
-Remove a file (same as remove()).\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
 
-PyDoc_STRVAR(posix_remove__doc__,
-"remove(path, *, dir_fd=None)\n\n\
-Remove a file (same as unlink()).\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
+/*[clinic input]
+os.unlink
+
+    path: path_t
+    *
+    dir_fd: dir_fd(requires='unlinkat')=None
+
+Remove a file (same as remove()).
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_unlink(PyObject *self, PyObject *args, PyObject *kwargs)
+os_unlink_impl(PyModuleDef *module, path_t *path, int dir_fd)
+/*[clinic end generated code: output=474afd5cd09b237e input=d7bcde2b1b2a2552]*/
 {
-    path_t path;
-    int dir_fd = DEFAULT_DIR_FD;
-    static char *keywords[] = {"path", "dir_fd", NULL};
     int result;
-    PyObject *return_value = NULL;
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "unlink";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|$O&:unlink", keywords,
-            path_converter, &path,
-#ifdef HAVE_UNLINKAT
-            dir_fd_converter, &dir_fd
-#else
-            dir_fd_unavailable, &dir_fd
-#endif
-            ))
-        return NULL;
 
     Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
 #ifdef MS_WINDOWS
-    if (path.wide)
-        result = Py_DeleteFileW(path.wide);
+    if (path->wide)
+        result = Py_DeleteFileW(path->wide);
     else
-        result = DeleteFileA(path.narrow);
+        result = DeleteFileA(path->narrow);
     result = !result; /* Windows, success=1, UNIX, success=0 */
 #else
 #ifdef HAVE_UNLINKAT
     if (dir_fd != DEFAULT_DIR_FD)
-        result = unlinkat(dir_fd, path.narrow, 0);
+        result = unlinkat(dir_fd, path->narrow, 0);
     else
 #endif /* HAVE_UNLINKAT */
-        result = unlink(path.narrow);
+        result = unlink(path->narrow);
 #endif
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error(&path);
-        goto exit;
-    }
-
-    return_value = Py_None;
-    Py_INCREF(Py_None);
+    if (result)
+        return path_error(path);
 
-exit:
-    path_cleanup(&path);
-    return return_value;
+    Py_RETURN_NONE;
 }
 
 
-PyDoc_STRVAR(posix_uname__doc__,
-"uname() -> uname_result\n\n\
-Return an object identifying the current operating system.\n\
-The object behaves like a named tuple with the following fields:\n\
-  (sysname, nodename, release, version, machine)");
+/*[clinic input]
+os.remove = os.unlink
+
+Remove a file (same as unlink()).
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+[clinic start generated code]*/
+
+static PyObject *
+os_remove_impl(PyModuleDef *module, path_t *path, int dir_fd)
+/*[clinic end generated code: output=d0d5149e64832b9e input=e05c5ab55cd30983]*/
+{
+    return os_unlink_impl(module, path, dir_fd);
+}
+
 
 static PyStructSequence_Field uname_result_fields[] = {
     {"sysname",    "operating system name"},
@@ -4634,8 +4445,19 @@ static PyTypeObject UnameResultType;
 
 
 #ifdef HAVE_UNAME
+/*[clinic input]
+os.uname
+
+Return an object identifying the current operating system.
+
+The object behaves like a named tuple with the following fields:
+  (sysname, nodename, release, version, machine)
+
+[clinic start generated code]*/
+
 static PyObject *
-posix_uname(PyObject *self, PyObject *noargs)
+os_uname_impl(PyModuleDef *module)
+/*[clinic end generated code: output=01e1421b757e753f input=e68bd246db3043ed]*/
 {
     struct utsname u;
     int res;
@@ -4674,31 +4496,6 @@ posix_uname(PyObject *self, PyObject *noargs)
 #endif /* HAVE_UNAME */
 
 
-PyDoc_STRVAR(posix_utime__doc__,
-"utime(path, times=None, *, ns=None, dir_fd=None, follow_symlinks=True)\n\
-Set the access and modified time of path.\n\
-\n\
-path may always be specified as a string.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.\n\
-\n\
-If times is not None, it must be a tuple (atime, mtime);\n\
-    atime and mtime should be expressed as float seconds since the epoch.\n\
-If ns is not None, it must be a tuple (atime_ns, mtime_ns);\n\
-    atime_ns and mtime_ns should be expressed as integer nanoseconds\n\
-    since the epoch.\n\
-If both times and ns are None, utime uses the current time.\n\
-Specifying tuples for both times and ns is an error.\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, utime will modify the symbolic link itself instead of the file the\n\
-  link points to.\n\
-It is an error to use dir_fd or follow_symlinks when specifying path\n\
-  as an open file descriptor.\n\
-dir_fd and follow_symlinks may not be available on your platform.\n\
-  If they are unavailable, using them will raise a NotImplementedError.");
 
 typedef struct {
     int    now;
@@ -4784,6 +4581,9 @@ utime_dir_fd(utime_t *ut, int dir_fd, char *path, int follow_symlinks)
 #endif
 }
 
+    #define FUTIMENSAT_DIR_FD_CONVERTER dir_fd_converter
+#else
+    #define FUTIMENSAT_DIR_FD_CONVERTER dir_fd_unavailable
 #endif
 
 #define UTIME_HAVE_FD (defined(HAVE_FUTIMES) || defined(HAVE_FUTIMENS))
@@ -4802,6 +4602,9 @@ utime_fd(utime_t *ut, int fd)
 #endif
 }
 
+    #define PATH_UTIME_HAVE_FD 1
+#else
+    #define PATH_UTIME_HAVE_FD 0
 #endif
 
 
@@ -4867,19 +4670,50 @@ exit:
     return result;
 }
 
-static PyObject *
-posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    path_t path;
-    PyObject *times = NULL;
-    PyObject *ns = NULL;
-    int dir_fd = DEFAULT_DIR_FD;
-    int follow_symlinks = 1;
-    char *keywords[] = {"path", "times", "ns", "dir_fd",
-                        "follow_symlinks", NULL};
 
-    utime_t utime;
+/*[clinic input]
+os.utime
+
+    path: path_t(allow_fd='PATH_UTIME_HAVE_FD')
+    times: object = NULL
+    *
+    ns: object = NULL
+    dir_fd: dir_fd(requires='futimensat') = None
+    follow_symlinks: bool=True
+
+# "utime(path, times=None, *, ns=None, dir_fd=None, follow_symlinks=True)\n\
+
+Set the access and modified time of path.
+
+path may always be specified as a string.
+On some platforms, path may also be specified as an open file descriptor.
+  If this functionality is unavailable, using it raises an exception.
+
+If times is not None, it must be a tuple (atime, mtime);
+    atime and mtime should be expressed as float seconds since the epoch.
+If ns is not None, it must be a tuple (atime_ns, mtime_ns);
+    atime_ns and mtime_ns should be expressed as integer nanoseconds
+    since the epoch.
+If both times and ns are None, utime uses the current time.
+Specifying tuples for both times and ns is an error.
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, utime will modify the symbolic link itself instead of the file the
+  link points to.
+It is an error to use dir_fd or follow_symlinks when specifying path
+  as an open file descriptor.
+dir_fd and follow_symlinks may not be available on your platform.
+  If they are unavailable, using them will raise a NotImplementedError.
 
+[clinic start generated code]*/
+
+static PyObject *
+os_utime_impl(PyModuleDef *module, path_t *path, PyObject *times,
+              PyObject *ns, int dir_fd, int follow_symlinks)
+/*[clinic end generated code: output=31f3434e560ba2f0 input=1f18c17d5941aa82]*/
+{
 #ifdef MS_WINDOWS
     HANDLE hFile;
     FILETIME atime, mtime;
@@ -4888,25 +4722,9 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
 #endif
 
     PyObject *return_value = NULL;
+    utime_t utime;
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "utime";
     memset(&utime, 0, sizeof(utime_t));
-#if UTIME_HAVE_FD
-    path.allow_fd = 1;
-#endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
-            "O&|O$OO&p:utime", keywords,
-            path_converter, &path,
-            &times, &ns,
-#if UTIME_HAVE_DIR_FD
-            dir_fd_converter, &dir_fd,
-#else
-            dir_fd_unavailable, &dir_fd,
-#endif
-            &follow_symlinks
-            ))
-        return NULL;
 
     if (times && (times != Py_None) && ns) {
         PyErr_SetString(PyExc_ValueError,
@@ -4926,9 +4744,9 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
         }
         utime.now = 0;
         if (_PyTime_ObjectToTimespec(PyTuple_GET_ITEM(times, 0),
-                                     &a_sec, &a_nsec, _PyTime_ROUND_DOWN) == -1 ||
+                                     &a_sec, &a_nsec, _PyTime_ROUND_FLOOR) == -1 ||
             _PyTime_ObjectToTimespec(PyTuple_GET_ITEM(times, 1),
-                                     &m_sec, &m_nsec, _PyTime_ROUND_DOWN) == -1) {
+                                     &m_sec, &m_nsec, _PyTime_ROUND_FLOOR) == -1) {
             goto exit;
         }
         utime.atime_s = a_sec;
@@ -4960,9 +4778,9 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
         goto exit;
 #endif
 
-    if (path_and_dir_fd_invalid("utime", &path, dir_fd) ||
-        dir_fd_and_fd_invalid("utime", dir_fd, path.fd) ||
-        fd_and_follow_symlinks_invalid("utime", path.fd, follow_symlinks))
+    if (path_and_dir_fd_invalid("utime", path, dir_fd) ||
+        dir_fd_and_fd_invalid("utime", dir_fd, path->fd) ||
+        fd_and_follow_symlinks_invalid("utime", path->fd, follow_symlinks))
         goto exit;
 
 #if !defined(HAVE_UTIMENSAT)
@@ -4976,17 +4794,17 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
 
 #ifdef MS_WINDOWS
     Py_BEGIN_ALLOW_THREADS
-    if (path.wide)
-        hFile = CreateFileW(path.wide, FILE_WRITE_ATTRIBUTES, 0,
+    if (path->wide)
+        hFile = CreateFileW(path->wide, FILE_WRITE_ATTRIBUTES, 0,
                             NULL, OPEN_EXISTING,
                             FILE_FLAG_BACKUP_SEMANTICS, NULL);
     else
-        hFile = CreateFileA(path.narrow, FILE_WRITE_ATTRIBUTES, 0,
+        hFile = CreateFileA(path->narrow, FILE_WRITE_ATTRIBUTES, 0,
                             NULL, OPEN_EXISTING,
                             FILE_FLAG_BACKUP_SEMANTICS, NULL);
     Py_END_ALLOW_THREADS
     if (hFile == INVALID_HANDLE_VALUE) {
-        path_error(&path);
+        path_error(path);
         goto exit;
     }
 
@@ -4995,8 +4813,8 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
         atime = mtime;
     }
     else {
-        time_t_to_FILE_TIME(utime.atime_s, utime.atime_ns, &atime);
-        time_t_to_FILE_TIME(utime.mtime_s, utime.mtime_ns, &mtime);
+        _Py_time_t_to_FILE_TIME(utime.atime_s, utime.atime_ns, &atime);
+        _Py_time_t_to_FILE_TIME(utime.mtime_s, utime.mtime_ns, &mtime);
     }
     if (!SetFileTime(hFile, NULL, &atime, &mtime)) {
         /* Avoid putting the file name into the error here,
@@ -5011,23 +4829,23 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
 
 #if UTIME_HAVE_NOFOLLOW_SYMLINKS
     if ((!follow_symlinks) && (dir_fd == DEFAULT_DIR_FD))
-        result = utime_nofollow_symlinks(&utime, path.narrow);
+        result = utime_nofollow_symlinks(&utime, path->narrow);
     else
 #endif
 
 #if UTIME_HAVE_DIR_FD
     if ((dir_fd != DEFAULT_DIR_FD) || (!follow_symlinks))
-        result = utime_dir_fd(&utime, dir_fd, path.narrow, follow_symlinks);
+        result = utime_dir_fd(&utime, dir_fd, path->narrow, follow_symlinks);
     else
 #endif
 
 #if UTIME_HAVE_FD
-    if (path.fd != -1)
-        result = utime_fd(&utime, path.fd);
+    if (path->fd != -1)
+        result = utime_fd(&utime, path->fd);
     else
 #endif
 
-    result = utime_default(&utime, path.narrow);
+    result = utime_default(&utime, path->narrow);
 
     Py_END_ALLOW_THREADS
 
@@ -5043,7 +4861,6 @@ posix_utime(PyObject *self, PyObject *args, PyObject *kwargs)
     return_value = Py_None;
 
 exit:
-    path_cleanup(&path);
 #ifdef MS_WINDOWS
     if (hFile != INVALID_HANDLE_VALUE)
         CloseHandle(hFile);
@@ -5053,17 +4870,20 @@ exit:
 
 /* Process operations */
 
-PyDoc_STRVAR(posix__exit__doc__,
-"_exit(status)\n\n\
-Exit to the system with specified status, without normal exit processing.");
+
+/*[clinic input]
+os._exit
+
+    status: int
+
+Exit to the system with specified status, without normal exit processing.
+[clinic start generated code]*/
 
 static PyObject *
-posix__exit(PyObject *self, PyObject *args)
+os__exit_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=472a3cbaf68f3621 input=5e6d57556b0c4a62]*/
 {
-    int sts;
-    if (!PyArg_ParseTuple(args, "i:_exit", &sts))
-        return NULL;
-    _exit(sts);
+    _exit(status);
     return NULL; /* Make gcc -Wall happy */
 }
 
@@ -5201,96 +5021,83 @@ fail:
 }
 #endif
 
+
 #ifdef HAVE_EXECV
-PyDoc_STRVAR(posix_execv__doc__,
-"execv(path, args)\n\n\
-Execute an executable path with arguments, replacing current process.\n\
-\n\
-    path: path of executable file\n\
-    args: tuple or list of strings");
+/*[clinic input]
+os.execv
+
+    path: FSConverter
+        Path of executable file.
+    argv: object
+        Tuple or list of strings.
+    /
+
+Execute an executable path with arguments, replacing current process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_execv(PyObject *self, PyObject *args)
+os_execv_impl(PyModuleDef *module, PyObject *path, PyObject *argv)
+/*[clinic end generated code: output=9221f08143146fff input=96041559925e5229]*/
 {
-    PyObject *opath;
-    char *path;
-    PyObject *argv;
+    char *path_char;
     char **argvlist;
     Py_ssize_t argc;
 
     /* execv has two arguments: (path, argv), where
        argv is a list or tuple of strings. */
 
-    if (!PyArg_ParseTuple(args, "O&O:execv",
-                          PyUnicode_FSConverter,
-                          &opath, &argv))
-        return NULL;
-    path = PyBytes_AsString(opath);
+    path_char = PyBytes_AsString(path);
     if (!PyList_Check(argv) && !PyTuple_Check(argv)) {
         PyErr_SetString(PyExc_TypeError,
                         "execv() arg 2 must be a tuple or list");
-        Py_DECREF(opath);
         return NULL;
     }
     argc = PySequence_Size(argv);
     if (argc < 1) {
         PyErr_SetString(PyExc_ValueError, "execv() arg 2 must not be empty");
-        Py_DECREF(opath);
         return NULL;
     }
 
     argvlist = parse_arglist(argv, &argc);
     if (argvlist == NULL) {
-        Py_DECREF(opath);
         return NULL;
     }
 
-    execv(path, argvlist);
+    execv(path_char, argvlist);
 
     /* If we get here it's definitely an error */
 
     free_string_array(argvlist, argc);
-    Py_DECREF(opath);
     return posix_error();
 }
 
-PyDoc_STRVAR(posix_execve__doc__,
-"execve(path, args, env)\n\n\
-Execute a path with arguments and environment, replacing current process.\n\
-\n\
-    path: path of executable file\n\
-    args: tuple or list of arguments\n\
-    env: dictionary of strings mapping to strings\n\
-\n\
-On some platforms, you may specify an open file descriptor for path;\n\
-  execve will execute the program the file descriptor is open to.\n\
-  If this functionality is unavailable, using it raises NotImplementedError.");
+
+/*[clinic input]
+os.execve
+
+    path: path_t(allow_fd='PATH_HAVE_FEXECVE')
+        Path of executable file.
+    argv: object
+        Tuple or list of strings.
+    env: object
+        Dictionary of strings mapping to strings.
+
+Execute an executable path with arguments, replacing current process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_execve(PyObject *self, PyObject *args, PyObject *kwargs)
+os_execve_impl(PyModuleDef *module, path_t *path, PyObject *argv,
+               PyObject *env)
+/*[clinic end generated code: output=181884fcdb21508e input=626804fa092606d9]*/
 {
-    path_t path;
-    PyObject *argv, *env;
     char **argvlist = NULL;
     char **envlist;
     Py_ssize_t argc, envc;
-    static char *keywords[] = {"path", "argv", "environment", NULL};
 
     /* execve has three arguments: (path, argv, env), where
        argv is a list or tuple of strings and env is a dictionary
        like posix.environ. */
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "execve";
-#ifdef HAVE_FEXECVE
-    path.allow_fd = 1;
-#endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&OO:execve", keywords,
-                          path_converter, &path,
-                          &argv, &env
-                          ))
-        return NULL;
-
     if (!PyList_Check(argv) && !PyTuple_Check(argv)) {
         PyErr_SetString(PyExc_TypeError,
                         "execve: argv must be a tuple or list");
@@ -5313,15 +5120,15 @@ posix_execve(PyObject *self, PyObject *args, PyObject *kwargs)
         goto fail;
 
 #ifdef HAVE_FEXECVE
-    if (path.fd > -1)
-        fexecve(path.fd, argvlist, envlist);
+    if (path->fd > -1)
+        fexecve(path->fd, argvlist, envlist);
     else
 #endif
-        execve(path.narrow, argvlist, envlist);
+        execve(path->narrow, argvlist, envlist);
 
     /* If we get here it's definitely an error */
 
-    path_error(&path);
+    path_error(path);
 
     while (--envc >= 0)
         PyMem_DEL(envlist[envc]);
@@ -5329,29 +5136,33 @@ posix_execve(PyObject *self, PyObject *args, PyObject *kwargs)
   fail:
     if (argvlist)
         free_string_array(argvlist, argc);
-    path_cleanup(&path);
     return NULL;
 }
 #endif /* HAVE_EXECV */
 
 
 #ifdef HAVE_SPAWNV
-PyDoc_STRVAR(posix_spawnv__doc__,
-"spawnv(mode, path, args)\n\n\
-Execute the program 'path' in a new process.\n\
-\n\
-    mode: mode of process creation\n\
-    path: path of executable file\n\
-    args: tuple or list of strings");
+/*[clinic input]
+os.spawnv
+
+    mode: int
+        Mode of process creation.
+    path: FSConverter
+        Path of executable file.
+    argv: object
+        Tuple or list of strings.
+    /
+
+Execute the program specified by path in a new process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_spawnv(PyObject *self, PyObject *args)
+os_spawnv_impl(PyModuleDef *module, int mode, PyObject *path, PyObject *argv)
+/*[clinic end generated code: output=140a7945484c8cc5 input=042c91dfc1e6debc]*/
 {
-    PyObject *opath;
-    char *path;
-    PyObject *argv;
+    char *path_char;
     char **argvlist;
-    int mode, i;
+    int i;
     Py_ssize_t argc;
     Py_intptr_t spawnval;
     PyObject *(*getitem)(PyObject *, Py_ssize_t);
@@ -5359,11 +5170,7 @@ posix_spawnv(PyObject *self, PyObject *args)
     /* spawnv has three arguments: (mode, path, argv), where
        argv is a list or tuple of strings. */
 
-    if (!PyArg_ParseTuple(args, "iO&O:spawnv", &mode,
-                          PyUnicode_FSConverter,
-                          &opath, &argv))
-        return NULL;
-    path = PyBytes_AsString(opath);
+    path_char = PyBytes_AsString(path);
     if (PyList_Check(argv)) {
         argc = PyList_Size(argv);
         getitem = PyList_GetItem;
@@ -5375,13 +5182,11 @@ posix_spawnv(PyObject *self, PyObject *args)
     else {
         PyErr_SetString(PyExc_TypeError,
                         "spawnv() arg 2 must be a tuple or list");
-        Py_DECREF(opath);
         return NULL;
     }
 
     argvlist = PyMem_NEW(char *, argc+1);
     if (argvlist == NULL) {
-        Py_DECREF(opath);
         return PyErr_NoMemory();
     }
     for (i = 0; i < argc; i++) {
@@ -5391,7 +5196,6 @@ posix_spawnv(PyObject *self, PyObject *args)
             PyErr_SetString(
                 PyExc_TypeError,
                 "spawnv() arg 2 must contain only strings");
-            Py_DECREF(opath);
             return NULL;
         }
     }
@@ -5401,11 +5205,10 @@ posix_spawnv(PyObject *self, PyObject *args)
         mode = _P_OVERLAY;
 
     Py_BEGIN_ALLOW_THREADS
-    spawnval = _spawnv(mode, path, argvlist);
+    spawnval = _spawnv(mode, path_char, argvlist);
     Py_END_ALLOW_THREADS
 
     free_string_array(argvlist, argc);
-    Py_DECREF(opath);
 
     if (spawnval == -1)
         return posix_error();
@@ -5414,25 +5217,31 @@ posix_spawnv(PyObject *self, PyObject *args)
 }
 
 
-PyDoc_STRVAR(posix_spawnve__doc__,
-"spawnve(mode, path, args, env)\n\n\
-Execute the program 'path' in a new process.\n\
-\n\
-    mode: mode of process creation\n\
-    path: path of executable file\n\
-    args: tuple or list of arguments\n\
-    env: dictionary of strings mapping to strings");
+/*[clinic input]
+os.spawnve
+
+    mode: int
+        Mode of process creation.
+    path: FSConverter
+        Path of executable file.
+    argv: object
+        Tuple or list of strings.
+    env: object
+        Dictionary of strings mapping to strings.
+    /
+
+Execute the program specified by path in a new process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_spawnve(PyObject *self, PyObject *args)
+os_spawnve_impl(PyModuleDef *module, int mode, PyObject *path,
+                PyObject *argv, PyObject *env)
+/*[clinic end generated code: output=e7f5f0703610531f input=02362fd937963f8f]*/
 {
-    PyObject *opath;
-    char *path;
-    PyObject *argv, *env;
+    char *path_char;
     char **argvlist;
     char **envlist;
     PyObject *res = NULL;
-    int mode;
     Py_ssize_t argc, i, envc;
     Py_intptr_t spawnval;
     PyObject *(*getitem)(PyObject *, Py_ssize_t);
@@ -5442,11 +5251,7 @@ posix_spawnve(PyObject *self, PyObject *args)
        argv is a list or tuple of strings and env is a dictionary
        like posix.environ. */
 
-    if (!PyArg_ParseTuple(args, "iO&OO:spawnve", &mode,
-                          PyUnicode_FSConverter,
-                          &opath, &argv, &env))
-        return NULL;
-    path = PyBytes_AsString(opath);
+    path_char = PyBytes_AsString(path);
     if (PyList_Check(argv)) {
         argc = PyList_Size(argv);
         getitem = PyList_GetItem;
@@ -5490,7 +5295,7 @@ posix_spawnve(PyObject *self, PyObject *args)
         mode = _P_OVERLAY;
 
     Py_BEGIN_ALLOW_THREADS
-    spawnval = _spawnve(mode, path, argvlist, envlist);
+    spawnval = _spawnve(mode, path_char, argvlist, envlist);
     Py_END_ALLOW_THREADS
 
     if (spawnval == -1)
@@ -5504,7 +5309,6 @@ posix_spawnve(PyObject *self, PyObject *args)
   fail_1:
     free_string_array(argvlist, lastarg);
   fail_0:
-    Py_DECREF(opath);
     return res;
 }
 
@@ -5512,14 +5316,17 @@ posix_spawnve(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_FORK1
-PyDoc_STRVAR(posix_fork1__doc__,
-"fork1() -> pid\n\n\
-Fork a child process with a single multiplexed (i.e., not bound) thread.\n\
-\n\
-Return 0 to child process and PID of child to parent process.");
+/*[clinic input]
+os.fork1
+
+Fork a child process with a single multiplexed (i.e., not bound) thread.
+
+Return 0 to child process and PID of child to parent process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_fork1(PyObject *self, PyObject *noargs)
+os_fork1_impl(PyModuleDef *module)
+/*[clinic end generated code: output=e27b4f66419c9dcf input=12db02167893926e]*/
 {
     pid_t pid;
     int result = 0;
@@ -5542,17 +5349,21 @@ posix_fork1(PyObject *self, PyObject *noargs)
     }
     return PyLong_FromPid(pid);
 }
-#endif
+#endif /* HAVE_FORK1 */
 
 
 #ifdef HAVE_FORK
-PyDoc_STRVAR(posix_fork__doc__,
-"fork() -> pid\n\n\
-Fork a child process.\n\
-Return 0 to child process and PID of child to parent process.");
+/*[clinic input]
+os.fork
+
+Fork a child process.
+
+Return 0 to child process and PID of child to parent process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_fork(PyObject *self, PyObject *noargs)
+os_fork_impl(PyModuleDef *module)
+/*[clinic end generated code: output=898b1ecd3498ba12 input=13c956413110eeaa]*/
 {
     pid_t pid;
     int result = 0;
@@ -5575,92 +5386,106 @@ posix_fork(PyObject *self, PyObject *noargs)
     }
     return PyLong_FromPid(pid);
 }
-#endif
+#endif /* HAVE_FORK */
 
-#ifdef HAVE_SCHED_H
 
+#ifdef HAVE_SCHED_H
 #ifdef HAVE_SCHED_GET_PRIORITY_MAX
+/*[clinic input]
+os.sched_get_priority_max
 
-PyDoc_STRVAR(posix_sched_get_priority_max__doc__,
-"sched_get_priority_max(policy)\n\n\
-Get the maximum scheduling priority for *policy*.");
+    policy: int
+
+Get the maximum scheduling priority for policy.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_get_priority_max(PyObject *self, PyObject *args)
+os_sched_get_priority_max_impl(PyModuleDef *module, int policy)
+/*[clinic end generated code: output=a6a30fa5071f2d81 input=2097b7998eca6874]*/
 {
-    int policy, max;
+    int max;
 
-    if (!PyArg_ParseTuple(args, "i:sched_get_priority_max", &policy))
-        return NULL;
     max = sched_get_priority_max(policy);
     if (max < 0)
         return posix_error();
     return PyLong_FromLong(max);
 }
 
-PyDoc_STRVAR(posix_sched_get_priority_min__doc__,
-"sched_get_priority_min(policy)\n\n\
-Get the minimum scheduling priority for *policy*.");
+
+/*[clinic input]
+os.sched_get_priority_min
+
+    policy: int
+
+Get the minimum scheduling priority for policy.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_get_priority_min(PyObject *self, PyObject *args)
+os_sched_get_priority_min_impl(PyModuleDef *module, int policy)
+/*[clinic end generated code: output=5ca3ed6bc43e9b20 input=21bc8fa0d70983bf]*/
 {
-    int policy, min;
-
-    if (!PyArg_ParseTuple(args, "i:sched_get_priority_min", &policy))
-        return NULL;
-    min = sched_get_priority_min(policy);
+    int min = sched_get_priority_min(policy);
     if (min < 0)
         return posix_error();
     return PyLong_FromLong(min);
 }
-
 #endif /* HAVE_SCHED_GET_PRIORITY_MAX */
 
+
 #ifdef HAVE_SCHED_SETSCHEDULER
+/*[clinic input]
+os.sched_getscheduler
+    pid: pid_t
+    /
+
+Get the scheduling policy for the process identifiedy by pid.
 
-PyDoc_STRVAR(posix_sched_getscheduler__doc__,
-"sched_getscheduler(pid)\n\n\
-Get the scheduling policy for the process with a PID of *pid*.\n\
-Passing a PID of 0 returns the scheduling policy for the calling process.");
+Passing 0 for pid returns the scheduling policy for the calling process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_getscheduler(PyObject *self, PyObject *args)
+os_sched_getscheduler_impl(PyModuleDef *module, pid_t pid)
+/*[clinic end generated code: output=8cd63c15caf54fa9 input=5f14cfd1f189e1a0]*/
 {
-    pid_t pid;
     int policy;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID ":sched_getscheduler", &pid))
-        return NULL;
     policy = sched_getscheduler(pid);
     if (policy < 0)
         return posix_error();
     return PyLong_FromLong(policy);
 }
+#endif /* HAVE_SCHED_SETSCHEDULER */
 
-#endif
 
 #if defined(HAVE_SCHED_SETSCHEDULER) || defined(HAVE_SCHED_SETPARAM)
+/*[clinic input]
+class os.sched_param "PyObject *" "&SchedParamType"
+
+@classmethod
+os.sched_param.__new__
+
+    sched_priority: object
+        A scheduling parameter.
+
+Current has only one field: sched_priority");
+[clinic start generated code]*/
 
 static PyObject *
-sched_param_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
+os_sched_param_impl(PyTypeObject *type, PyObject *sched_priority)
+/*[clinic end generated code: output=48f4067d60f48c13 input=73a4c22f7071fc62]*/
 {
-    PyObject *res, *priority;
-    static char *kwlist[] = {"sched_priority", NULL};
+    PyObject *res;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O:sched_param", kwlist, &priority))
-        return NULL;
     res = PyStructSequence_New(type);
     if (!res)
         return NULL;
-    Py_INCREF(priority);
-    PyStructSequence_SET_ITEM(res, 0, priority);
+    Py_INCREF(sched_priority);
+    PyStructSequence_SET_ITEM(res, 0, sched_priority);
     return res;
 }
 
-PyDoc_STRVAR(sched_param__doc__,
-"sched_param(sched_priority): A scheduling parameter.\n\n\
-Current has only one field: sched_priority");
+
+PyDoc_VAR(os_sched_param__doc__);
 
 static PyStructSequence_Field sched_param_fields[] = {
     {"sched_priority", "the scheduling priority"},
@@ -5669,7 +5494,7 @@ static PyStructSequence_Field sched_param_fields[] = {
 
 static PyStructSequence_Desc sched_param_desc = {
     "sched_param", /* name */
-    sched_param__doc__, /* doc */
+    os_sched_param__doc__, /* doc */
     sched_param_fields,
     1
 };
@@ -5693,118 +5518,134 @@ convert_sched_param(PyObject *param, struct sched_param *res)
     res->sched_priority = Py_SAFE_DOWNCAST(priority, long, int);
     return 1;
 }
+#endif /* defined(HAVE_SCHED_SETSCHEDULER) || defined(HAVE_SCHED_SETPARAM) */
 
-#endif
 
 #ifdef HAVE_SCHED_SETSCHEDULER
+/*[clinic input]
+os.sched_setscheduler
 
-PyDoc_STRVAR(posix_sched_setscheduler__doc__,
-"sched_setscheduler(pid, policy, param)\n\n\
-Set the scheduling policy, *policy*, for *pid*.\n\
-If *pid* is 0, the calling process is changed.\n\
-*param* is an instance of sched_param.");
+    pid: pid_t
+    policy: int
+    param: sched_param
+    /
 
-static PyObject *
-posix_sched_setscheduler(PyObject *self, PyObject *args)
-{
-    pid_t pid;
-    int policy;
-    struct sched_param param;
+Set the scheduling policy for the process identified by pid.
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "iO&:sched_setscheduler",
-                          &pid, &policy, &convert_sched_param, &param))
-        return NULL;
+If pid is 0, the calling process is changed.
+param is an instance of sched_param.
+[clinic start generated code]*/
 
+static PyObject *
+os_sched_setscheduler_impl(PyModuleDef *module, pid_t pid, int policy,
+                           struct sched_param *param)
+/*[clinic end generated code: output=37053e5c528c35c9 input=c581f9469a5327dd]*/
+{
     /*
     ** sched_setscheduler() returns 0 in Linux, but the previous
     ** scheduling policy under Solaris/Illumos, and others.
     ** On error, -1 is returned in all Operating Systems.
     */
-    if (sched_setscheduler(pid, policy, &param) == -1)
+    if (sched_setscheduler(pid, policy, param) == -1)
         return posix_error();
     Py_RETURN_NONE;
 }
+#endif  /* HAVE_SCHED_SETSCHEDULER*/
 
-#endif
 
 #ifdef HAVE_SCHED_SETPARAM
+/*[clinic input]
+os.sched_getparam
+    pid: pid_t
+    /
 
-PyDoc_STRVAR(posix_sched_getparam__doc__,
-"sched_getparam(pid) -> sched_param\n\n\
-Returns scheduling parameters for the process with *pid* as an instance of the\n\
-sched_param class. A PID of 0 means the calling process.");
+Returns scheduling parameters for the process identified by pid.
+
+If pid is 0, returns parameters for the calling process.
+Return value is an instance of sched_param.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_getparam(PyObject *self, PyObject *args)
+os_sched_getparam_impl(PyModuleDef *module, pid_t pid)
+/*[clinic end generated code: output=f42c5bd2604ecd08 input=18a1ef9c2efae296]*/
 {
-    pid_t pid;
     struct sched_param param;
-    PyObject *res, *priority;
+    PyObject *result;
+    PyObject *priority;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID ":sched_getparam", &pid))
-        return NULL;
     if (sched_getparam(pid, &param))
         return posix_error();
-    res = PyStructSequence_New(&SchedParamType);
-    if (!res)
+    result = PyStructSequence_New(&SchedParamType);
+    if (!result)
         return NULL;
     priority = PyLong_FromLong(param.sched_priority);
     if (!priority) {
-        Py_DECREF(res);
+        Py_DECREF(result);
         return NULL;
     }
-    PyStructSequence_SET_ITEM(res, 0, priority);
-    return res;
+    PyStructSequence_SET_ITEM(result, 0, priority);
+    return result;
 }
 
-PyDoc_STRVAR(posix_sched_setparam__doc__,
-"sched_setparam(pid, param)\n\n\
-Set scheduling parameters for a process with PID *pid*.\n\
-A PID of 0 means the calling process.");
+
+/*[clinic input]
+os.sched_setparam
+    pid: pid_t
+    param: sched_param
+    /
+
+Set scheduling parameters for the process identified by pid.
+
+If pid is 0, sets parameters for the calling process.
+param should be an instance of sched_param.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_setparam(PyObject *self, PyObject *args)
+os_sched_setparam_impl(PyModuleDef *module, pid_t pid,
+                       struct sched_param *param)
+/*[clinic end generated code: output=b7a3c589436cec9b input=6b8d6dfcecdc21bd]*/
 {
-    pid_t pid;
-    struct sched_param param;
-
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "O&:sched_setparam",
-                          &pid, &convert_sched_param, &param))
-        return NULL;
-    if (sched_setparam(pid, &param))
+    if (sched_setparam(pid, param))
         return posix_error();
     Py_RETURN_NONE;
 }
+#endif /* HAVE_SCHED_SETPARAM */
 
-#endif
 
 #ifdef HAVE_SCHED_RR_GET_INTERVAL
+/*[clinic input]
+os.sched_rr_get_interval -> double
+    pid: pid_t
+    /
 
-PyDoc_STRVAR(posix_sched_rr_get_interval__doc__,
-"sched_rr_get_interval(pid) -> float\n\n\
-Return the round-robin quantum for the process with PID *pid* in seconds.");
+Return the round-robin quantum for the process identified by pid, in seconds.
 
-static PyObject *
-posix_sched_rr_get_interval(PyObject *self, PyObject *args)
+Value returned is a float.
+[clinic start generated code]*/
+
+static double
+os_sched_rr_get_interval_impl(PyModuleDef *module, pid_t pid)
+/*[clinic end generated code: output=7adc137a86dea581 input=2a973da15cca6fae]*/
 {
-    pid_t pid;
     struct timespec interval;
-
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID ":sched_rr_get_interval", &pid))
-        return NULL;
-    if (sched_rr_get_interval(pid, &interval))
-        return posix_error();
-    return PyFloat_FromDouble((double)interval.tv_sec + 1e-9*interval.tv_nsec);
+    if (sched_rr_get_interval(pid, &interval)) {
+        posix_error();
+        return -1.0;
+    }
+    return (double)interval.tv_sec + 1e-9*interval.tv_nsec;
 }
+#endif /* HAVE_SCHED_RR_GET_INTERVAL */
 
-#endif
 
-PyDoc_STRVAR(posix_sched_yield__doc__,
-"sched_yield()\n\n\
-Voluntarily relinquish the CPU.");
+/*[clinic input]
+os.sched_yield
+
+Voluntarily relinquish the CPU.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_yield(PyObject *self, PyObject *noargs)
+os_sched_yield_impl(PyModuleDef *module)
+/*[clinic end generated code: output=d7bd51869c4cb6a8 input=e54d6f98189391d4]*/
 {
     if (sched_yield())
         return posix_error();
@@ -5812,39 +5653,41 @@ posix_sched_yield(PyObject *self, PyObject *noargs)
 }
 
 #ifdef HAVE_SCHED_SETAFFINITY
-
 /* The minimum number of CPUs allocated in a cpu_set_t */
 static const int NCPUS_START = sizeof(unsigned long) * CHAR_BIT;
 
-PyDoc_STRVAR(posix_sched_setaffinity__doc__,
-"sched_setaffinity(pid, cpu_set)\n\n\
-Set the affinity of the process with PID *pid* to *cpu_set*.");
+/*[clinic input]
+os.sched_setaffinity
+    pid: pid_t
+    mask : object
+    /
+
+Set the CPU affinity of the process identified by pid to mask.
+
+mask should be an iterable of integers identifying CPUs.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_setaffinity(PyObject *self, PyObject *args)
+os_sched_setaffinity_impl(PyModuleDef *module, pid_t pid, PyObject *mask)
+/*[clinic end generated code: output=582bcbf40d3253a9 input=a0791a597c7085ba]*/
 {
-    pid_t pid;
     int ncpus;
     size_t setsize;
-    cpu_set_t *mask = NULL;
-    PyObject *iterable, *iterator = NULL, *item;
-
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "O:sched_setaffinity",
-                          &pid, &iterable))
-        return NULL;
+    cpu_set_t *cpu_set = NULL;
+    PyObject *iterator = NULL, *item;
 
-    iterator = PyObject_GetIter(iterable);
+    iterator = PyObject_GetIter(mask);
     if (iterator == NULL)
         return NULL;
 
     ncpus = NCPUS_START;
     setsize = CPU_ALLOC_SIZE(ncpus);
-    mask = CPU_ALLOC(ncpus);
-    if (mask == NULL) {
+    cpu_set = CPU_ALLOC(ncpus);
+    if (cpu_set == NULL) {
         PyErr_NoMemory();
         goto error;
     }
-    CPU_ZERO_S(setsize, mask);
+    CPU_ZERO_S(setsize, cpu_set);
 
     while ((item = PyIter_Next(iterator))) {
         long cpu;
@@ -5885,48 +5728,50 @@ posix_sched_setaffinity(PyObject *self, PyObject *args)
             }
             newsetsize = CPU_ALLOC_SIZE(newncpus);
             CPU_ZERO_S(newsetsize, newmask);
-            memcpy(newmask, mask, setsize);
-            CPU_FREE(mask);
+            memcpy(newmask, cpu_set, setsize);
+            CPU_FREE(cpu_set);
             setsize = newsetsize;
-            mask = newmask;
+            cpu_set = newmask;
             ncpus = newncpus;
         }
-        CPU_SET_S(cpu, setsize, mask);
+        CPU_SET_S(cpu, setsize, cpu_set);
     }
     Py_CLEAR(iterator);
 
-    if (sched_setaffinity(pid, setsize, mask)) {
+    if (sched_setaffinity(pid, setsize, cpu_set)) {
         posix_error();
         goto error;
     }
-    CPU_FREE(mask);
+    CPU_FREE(cpu_set);
     Py_RETURN_NONE;
 
 error:
-    if (mask)
-        CPU_FREE(mask);
+    if (cpu_set)
+        CPU_FREE(cpu_set);
     Py_XDECREF(iterator);
     return NULL;
 }
 
-PyDoc_STRVAR(posix_sched_getaffinity__doc__,
-"sched_getaffinity(pid, ncpus) -> cpu_set\n\n\
-Return the affinity of the process with PID *pid*.\n\
-The returned cpu_set will be of size *ncpus*.");
+
+/*[clinic input]
+os.sched_getaffinity
+    pid: pid_t
+    /
+
+Return the affinity of the process identified by pid.
+
+The affinity is returned as a set of CPU identifiers.
+[clinic start generated code]*/
 
 static PyObject *
-posix_sched_getaffinity(PyObject *self, PyObject *args)
+os_sched_getaffinity_impl(PyModuleDef *module, pid_t pid)
+/*[clinic end generated code: output=b431a8f310e369e7 input=eaf161936874b8a1]*/
 {
-    pid_t pid;
     int cpu, ncpus, count;
     size_t setsize;
     cpu_set_t *mask = NULL;
     PyObject *res = NULL;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID ":sched_getaffinity",
-                          &pid))
-        return NULL;
-
     ncpus = NCPUS_START;
     while (1) {
         setsize = CPU_ALLOC_SIZE(ncpus);
@@ -5976,6 +5821,7 @@ error:
 
 #endif /* HAVE_SCHED_H */
 
+
 /* AIX uses /dev/ptc but is otherwise the same as /dev/ptmx */
 /* IRIX has both /dev/ptc and /dev/ptmx, use ptmx */
 #if defined(HAVE_DEV_PTC) && !defined(HAVE_DEV_PTMX)
@@ -6002,13 +5848,20 @@ error:
 #endif
 #endif /* defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) || defined(HAVE_DEV_PTMX */
 
+
 #if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX)
-PyDoc_STRVAR(posix_openpty__doc__,
-"openpty() -> (master_fd, slave_fd)\n\n\
-Open a pseudo-terminal, returning open fd's for both master and slave end.\n");
+/*[clinic input]
+os.openpty
+
+Open a pseudo-terminal.
+
+Return a tuple of (master_fd, slave_fd) containing open file descriptors
+for both the master and slave ends.
+[clinic start generated code]*/
 
 static PyObject *
-posix_openpty(PyObject *self, PyObject *noargs)
+os_openpty_impl(PyModuleDef *module)
+/*[clinic end generated code: output=358e571c1ba135ee input=f3d99fd99e762907]*/
 {
     int master_fd = -1, slave_fd = -1;
 #ifndef HAVE_OPENPTY
@@ -6039,7 +5892,7 @@ posix_openpty(PyObject *self, PyObject *noargs)
 
     slave_fd = _Py_open(slave_name, O_RDWR);
     if (slave_fd < 0)
-        goto posix_error;
+        goto error;
 
 #else
     master_fd = open(DEV_PTY_FILE, O_RDWR | O_NOCTTY); /* open master */
@@ -6067,8 +5920,8 @@ posix_openpty(PyObject *self, PyObject *noargs)
         goto posix_error;
 
     slave_fd = _Py_open(slave_name, O_RDWR | O_NOCTTY); /* open slave */
-    if (slave_fd < 0)
-        goto posix_error;
+    if (slave_fd == -1)
+        goto error;
 
     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)
         goto posix_error;
@@ -6086,9 +5939,7 @@ posix_openpty(PyObject *self, PyObject *noargs)
 
 posix_error:
     posix_error();
-#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY)
 error:
-#endif
     if (master_fd != -1)
         close(master_fd);
     if (slave_fd != -1)
@@ -6097,15 +5948,22 @@ error:
 }
 #endif /* defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX) */
 
+
 #ifdef HAVE_FORKPTY
-PyDoc_STRVAR(posix_forkpty__doc__,
-"forkpty() -> (pid, master_fd)\n\n\
-Fork a new process with a new pseudo-terminal as controlling tty.\n\n\
-Like fork(), return 0 as pid to child process, and PID of child to parent.\n\
-To both, return fd of newly opened pseudo-terminal.\n");
+/*[clinic input]
+os.forkpty
+
+Fork a new process with a new pseudo-terminal as controlling tty.
+
+Returns a tuple of (pid, master_fd).
+Like fork(), return pid of 0 to the child process,
+and pid of child to the parent process.
+To both, return fd of newly opened pseudo-terminal.
+[clinic start generated code]*/
 
 static PyObject *
-posix_forkpty(PyObject *self, PyObject *noargs)
+os_forkpty_impl(PyModuleDef *module)
+/*[clinic end generated code: output=a11b8391dce3cb57 input=f1f7f4bae3966010]*/
 {
     int master_fd = -1, result = 0;
     pid_t pid;
@@ -6129,59 +5987,73 @@ posix_forkpty(PyObject *self, PyObject *noargs)
     }
     return Py_BuildValue("(Ni)", PyLong_FromPid(pid), master_fd);
 }
-#endif
+#endif /* HAVE_FORKPTY */
 
 
 #ifdef HAVE_GETEGID
-PyDoc_STRVAR(posix_getegid__doc__,
-"getegid() -> egid\n\n\
-Return the current process's effective group id.");
+/*[clinic input]
+os.getegid
+
+Return the current process's effective group id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getegid(PyObject *self, PyObject *noargs)
+os_getegid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=90f433a8c0b1d919 input=1596f79ad1107d5d]*/
 {
     return _PyLong_FromGid(getegid());
 }
-#endif
+#endif /* HAVE_GETEGID */
 
 
 #ifdef HAVE_GETEUID
-PyDoc_STRVAR(posix_geteuid__doc__,
-"geteuid() -> euid\n\n\
-Return the current process's effective user id.");
+/*[clinic input]
+os.geteuid
+
+Return the current process's effective user id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_geteuid(PyObject *self, PyObject *noargs)
+os_geteuid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=1a532c4a66874357 input=4644c662d3bd9f19]*/
 {
     return _PyLong_FromUid(geteuid());
 }
-#endif
+#endif /* HAVE_GETEUID */
 
 
 #ifdef HAVE_GETGID
-PyDoc_STRVAR(posix_getgid__doc__,
-"getgid() -> gid\n\n\
-Return the current process's group id.");
+/*[clinic input]
+os.getgid
+
+Return the current process's group id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getgid(PyObject *self, PyObject *noargs)
+os_getgid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=91a22021b74ea46b input=58796344cd87c0f6]*/
 {
     return _PyLong_FromGid(getgid());
 }
-#endif
+#endif /* HAVE_GETGID */
 
 
-PyDoc_STRVAR(posix_getpid__doc__,
-"getpid() -> pid\n\n\
-Return the current process id");
+/*[clinic input]
+os.getpid
+
+Return the current process id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getpid(PyObject *self, PyObject *noargs)
+os_getpid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=8fbf3a934ee09e62 input=5a9a00f0ab68aa00]*/
 {
     return PyLong_FromPid(getpid());
 }
 
 #ifdef HAVE_GETGROUPLIST
+
+/* AC 3.5: funny apple logic below */
 PyDoc_STRVAR(posix_getgrouplist__doc__,
 "getgrouplist(user, group) -> list of groups to which a user belongs\n\n\
 Returns a list of groups to which a user belongs.\n\n\
@@ -6254,15 +6126,19 @@ posix_getgrouplist(PyObject *self, PyObject *args)
 
     return list;
 }
-#endif
+#endif /* HAVE_GETGROUPLIST */
+
 
 #ifdef HAVE_GETGROUPS
-PyDoc_STRVAR(posix_getgroups__doc__,
-"getgroups() -> list of group IDs\n\n\
-Return list of supplemental group IDs for the process.");
+/*[clinic input]
+os.getgroups
+
+Return list of supplemental group IDs for the process.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getgroups(PyObject *self, PyObject *noargs)
+os_getgroups_impl(PyModuleDef *module)
+/*[clinic end generated code: output=6e7c4fd2db6d5c60 input=d3f109412e6a155c]*/
 {
     PyObject *result = NULL;
 
@@ -6361,7 +6237,7 @@ posix_getgroups(PyObject *self, PyObject *noargs)
 
     return result;
 }
-#endif
+#endif /* HAVE_GETGROUPS */
 
 #ifdef HAVE_INITGROUPS
 PyDoc_STRVAR(posix_initgroups__doc__,
@@ -6370,6 +6246,7 @@ Call the system initgroups() to initialize the group access list with all of\n\
 the groups of which the specified username is a member, plus the specified\n\
 group id.");
 
+/* AC 3.5: funny apple logic */
 static PyObject *
 posix_initgroups(PyObject *self, PyObject *args)
 {
@@ -6402,20 +6279,23 @@ posix_initgroups(PyObject *self, PyObject *args)
     Py_INCREF(Py_None);
     return Py_None;
 }
-#endif
+#endif /* HAVE_INITGROUPS */
+
 
 #ifdef HAVE_GETPGID
-PyDoc_STRVAR(posix_getpgid__doc__,
-"getpgid(pid) -> pgid\n\n\
-Call the system call getpgid().");
+/*[clinic input]
+os.getpgid
+
+    pid: pid_t
+
+Call the system call getpgid(), and return the result.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getpgid(PyObject *self, PyObject *args)
+os_getpgid_impl(PyModuleDef *module, pid_t pid)
+/*[clinic end generated code: output=70e713b4d54b7c61 input=39d710ae3baaf1c7]*/
 {
-    pid_t pid, pgid;
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID ":getpgid", &pid))
-        return NULL;
-    pgid = getpgid(pid);
+    pid_t pgid = getpgid(pid);
     if (pgid < 0)
         return posix_error();
     return PyLong_FromPid(pgid);
@@ -6424,12 +6304,15 @@ posix_getpgid(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_GETPGRP
-PyDoc_STRVAR(posix_getpgrp__doc__,
-"getpgrp() -> pgrp\n\n\
-Return the current process group id.");
+/*[clinic input]
+os.getpgrp
+
+Return the current process group id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getpgrp(PyObject *self, PyObject *noargs)
+os_getpgrp_impl(PyModuleDef *module)
+/*[clinic end generated code: output=cf3403585846811f input=6846fb2bb9a3705e]*/
 {
 #ifdef GETPGRP_HAVE_ARG
     return PyLong_FromPid(getpgrp(0));
@@ -6441,12 +6324,15 @@ posix_getpgrp(PyObject *self, PyObject *noargs)
 
 
 #ifdef HAVE_SETPGRP
-PyDoc_STRVAR(posix_setpgrp__doc__,
-"setpgrp()\n\n\
-Make this process the process group leader.");
+/*[clinic input]
+os.setpgrp
+
+Make the current process the leader of its process group.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setpgrp(PyObject *self, PyObject *noargs)
+os_setpgrp_impl(PyModuleDef *module)
+/*[clinic end generated code: output=59650f55a963d7ac input=1f0619fcb5731e7e]*/
 {
 #ifdef SETPGRP_HAVE_ARG
     if (setpgrp(0, 0) < 0)
@@ -6457,7 +6343,6 @@ posix_setpgrp(PyObject *self, PyObject *noargs)
     Py_INCREF(Py_None);
     return Py_None;
 }
-
 #endif /* HAVE_SETPGRP */
 
 #ifdef HAVE_GETPPID
@@ -6504,14 +6389,19 @@ win32_getppid()
 }
 #endif /*MS_WINDOWS*/
 
-PyDoc_STRVAR(posix_getppid__doc__,
-"getppid() -> ppid\n\n\
-Return the parent's process id.  If the parent process has already exited,\n\
-Windows machines will still return its id; others systems will return the id\n\
-of the 'init' process (1).");
+
+/*[clinic input]
+os.getppid
+
+Return the parent's process id.
+
+If the parent process has already exited, Windows machines will still
+return its id; others systems will return the id of the 'init' process (1).
+[clinic start generated code]*/
 
 static PyObject *
-posix_getppid(PyObject *self, PyObject *noargs)
+os_getppid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=4e49c8e7a8738cd2 input=e637cb87539c030e]*/
 {
 #ifdef MS_WINDOWS
     return win32_getppid();
@@ -6523,12 +6413,15 @@ posix_getppid(PyObject *self, PyObject *noargs)
 
 
 #ifdef HAVE_GETLOGIN
-PyDoc_STRVAR(posix_getlogin__doc__,
-"getlogin() -> string\n\n\
-Return the actual login name.");
+/*[clinic input]
+os.getlogin
+
+Return the actual login name.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getlogin(PyObject *self, PyObject *noargs)
+os_getlogin_impl(PyModuleDef *module)
+/*[clinic end generated code: output=037ebdb3e4b5dac1 input=2a21ab1e917163df]*/
 {
     PyObject *result = NULL;
 #ifdef MS_WINDOWS
@@ -6561,77 +6454,54 @@ posix_getlogin(PyObject *self, PyObject *noargs)
 }
 #endif /* HAVE_GETLOGIN */
 
+
 #ifdef HAVE_GETUID
-PyDoc_STRVAR(posix_getuid__doc__,
-"getuid() -> uid\n\n\
-Return the current process's user id.");
+/*[clinic input]
+os.getuid
+
+Return the current process's user id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getuid(PyObject *self, PyObject *noargs)
+os_getuid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=03a8b894cefb3fa5 input=b53c8b35f110a516]*/
 {
     return _PyLong_FromUid(getuid());
 }
-#endif
+#endif /* HAVE_GETUID */
+
 
+#ifdef MS_WINDOWS
+#define HAVE_KILL
+#endif /* MS_WINDOWS */
 
 #ifdef HAVE_KILL
-PyDoc_STRVAR(posix_kill__doc__,
-"kill(pid, sig)\n\n\
-Kill a process with a signal.");
+/*[clinic input]
+os.kill
 
-static PyObject *
-posix_kill(PyObject *self, PyObject *args)
-{
-    pid_t pid;
-    int sig;
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "i:kill", &pid, &sig))
-        return NULL;
-    if (kill(pid, sig) == -1)
-        return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-#endif
+    pid: pid_t
+    signal: Py_ssize_t
+    /
 
-#ifdef HAVE_KILLPG
-PyDoc_STRVAR(posix_killpg__doc__,
-"killpg(pgid, sig)\n\n\
-Kill a process group with a signal.");
+Kill a process with a signal.
+[clinic start generated code]*/
 
 static PyObject *
-posix_killpg(PyObject *self, PyObject *args)
+os_kill_impl(PyModuleDef *module, pid_t pid, Py_ssize_t signal)
+/*[clinic end generated code: output=74f907dd00a83c26 input=61a36b86ca275ab9]*/
+#ifndef MS_WINDOWS
 {
-    int sig;
-    pid_t pgid;
-    /* XXX some man pages make the `pgid` parameter an int, others
-       a pid_t. Since getpgrp() returns a pid_t, we assume killpg should
-       take the same type. Moreover, pid_t is always at least as wide as
-       int (else compilation of this module fails), which is safe. */
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "i:killpg", &pgid, &sig))
-        return NULL;
-    if (killpg(pgid, sig) == -1)
+    if (kill(pid, (int)signal) == -1)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
-#endif
-
-#ifdef MS_WINDOWS
-PyDoc_STRVAR(win32_kill__doc__,
-"kill(pid, sig)\n\n\
-Kill a process with a signal.");
-
-static PyObject *
-win32_kill(PyObject *self, PyObject *args)
+#else /* !MS_WINDOWS */
 {
     PyObject *result;
-    pid_t pid;
-    DWORD sig, err;
+    DWORD sig = (DWORD)signal;
+    DWORD err;
     HANDLE handle;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "k:kill", &pid, &sig))
-        return NULL;
-
     /* Console processes which share a common console can be sent CTRL+C or
        CTRL+BREAK events, provided they handle said events. */
     if (sig == CTRL_C_EVENT || sig == CTRL_BREAK_EVENT) {
@@ -6662,103 +6532,138 @@ win32_kill(PyObject *self, PyObject *args)
     CloseHandle(handle);
     return result;
 }
-#endif /* MS_WINDOWS */
+#endif /* !MS_WINDOWS */
+#endif /* HAVE_KILL */
+
+
+#ifdef HAVE_KILLPG
+/*[clinic input]
+os.killpg
+
+    pgid: pid_t
+    signal: int
+    /
+
+Kill a process group with a signal.
+[clinic start generated code]*/
+
+static PyObject *
+os_killpg_impl(PyModuleDef *module, pid_t pgid, int signal)
+/*[clinic end generated code: output=3434a766ef945f93 input=38b5449eb8faec19]*/
+{
+    /* XXX some man pages make the `pgid` parameter an int, others
+       a pid_t. Since getpgrp() returns a pid_t, we assume killpg should
+       take the same type. Moreover, pid_t is always at least as wide as
+       int (else compilation of this module fails), which is safe. */
+    if (killpg(pgid, signal) == -1)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_KILLPG */
 
-#ifdef HAVE_PLOCK
 
+#ifdef HAVE_PLOCK
 #ifdef HAVE_SYS_LOCK_H
 #include <sys/lock.h>
 #endif
 
-PyDoc_STRVAR(posix_plock__doc__,
-"plock(op)\n\n\
+/*[clinic input]
+os.plock
+    op: int
+    /
+
 Lock program segments into memory.");
+[clinic start generated code]*/
 
 static PyObject *
-posix_plock(PyObject *self, PyObject *args)
+os_plock_impl(PyModuleDef *module, int op)
+/*[clinic end generated code: output=5cb851f81b914984 input=e6e5e348e1525f60]*/
 {
-    int op;
-    if (!PyArg_ParseTuple(args, "i:plock", &op))
-        return NULL;
     if (plock(op) == -1)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_PLOCK */
+
 
 #ifdef HAVE_SETUID
-PyDoc_STRVAR(posix_setuid__doc__,
-"setuid(uid)\n\n\
-Set the current process's user id.");
+/*[clinic input]
+os.setuid
+
+    uid: uid_t
+    /
+
+Set the current process's user id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setuid(PyObject *self, PyObject *args)
+os_setuid_impl(PyModuleDef *module, uid_t uid)
+/*[clinic end generated code: output=941ea9a8d1e5d565 input=c921a3285aa22256]*/
 {
-    uid_t uid;
-    if (!PyArg_ParseTuple(args, "O&:setuid", _Py_Uid_Converter, &uid))
-        return NULL;
     if (setuid(uid) < 0)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETUID */
 
 
 #ifdef HAVE_SETEUID
-PyDoc_STRVAR(posix_seteuid__doc__,
-"seteuid(uid)\n\n\
-Set the current process's effective user id.");
+/*[clinic input]
+os.seteuid
+
+    euid: uid_t
+    /
+
+Set the current process's effective user id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_seteuid (PyObject *self, PyObject *args)
+os_seteuid_impl(PyModuleDef *module, uid_t euid)
+/*[clinic end generated code: output=66f4f6823a648d6d input=ba93d927e4781aa9]*/
 {
-    uid_t euid;
-    if (!PyArg_ParseTuple(args, "O&:seteuid", _Py_Uid_Converter, &euid))
-        return NULL;
-    if (seteuid(euid) < 0) {
+    if (seteuid(euid) < 0)
         return posix_error();
-    } else {
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETEUID */
 
+
 #ifdef HAVE_SETEGID
-PyDoc_STRVAR(posix_setegid__doc__,
-"setegid(gid)\n\n\
-Set the current process's effective group id.");
+/*[clinic input]
+os.setegid
+
+    egid: gid_t
+    /
+
+Set the current process's effective group id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setegid (PyObject *self, PyObject *args)
+os_setegid_impl(PyModuleDef *module, gid_t egid)
+/*[clinic end generated code: output=ca094a69a081a60f input=4080526d0ccd6ce3]*/
 {
-    gid_t egid;
-    if (!PyArg_ParseTuple(args, "O&:setegid", _Py_Gid_Converter, &egid))
-        return NULL;
-    if (setegid(egid) < 0) {
+    if (setegid(egid) < 0)
         return posix_error();
-    } else {
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETEGID */
 
+
 #ifdef HAVE_SETREUID
-PyDoc_STRVAR(posix_setreuid__doc__,
-"setreuid(ruid, euid)\n\n\
-Set the current process's real and effective user ids.");
+/*[clinic input]
+os.setreuid
+
+    ruid: uid_t
+    euid: uid_t
+    /
+
+Set the current process's real and effective user ids.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setreuid (PyObject *self, PyObject *args)
+os_setreuid_impl(PyModuleDef *module, uid_t ruid, uid_t euid)
+/*[clinic end generated code: output=b2938c3e73d27ec7 input=0ca8978de663880c]*/
 {
-    uid_t ruid, euid;
-    if (!PyArg_ParseTuple(args, "O&O&:setreuid",
-                          _Py_Uid_Converter, &ruid,
-                          _Py_Uid_Converter, &euid))
-        return NULL;
     if (setreuid(ruid, euid) < 0) {
         return posix_error();
     } else {
@@ -6768,53 +6673,62 @@ posix_setreuid (PyObject *self, PyObject *args)
 }
 #endif /* HAVE_SETREUID */
 
+
 #ifdef HAVE_SETREGID
-PyDoc_STRVAR(posix_setregid__doc__,
-"setregid(rgid, egid)\n\n\
-Set the current process's real and effective group ids.");
+/*[clinic input]
+os.setregid
+
+    rgid: gid_t
+    egid: gid_t
+    /
+
+Set the current process's real and effective group ids.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setregid (PyObject *self, PyObject *args)
+os_setregid_impl(PyModuleDef *module, gid_t rgid, gid_t egid)
+/*[clinic end generated code: output=db18f1839ababe3d input=c59499f72846db78]*/
 {
-    gid_t rgid, egid;
-    if (!PyArg_ParseTuple(args, "O&O&:setregid",
-                          _Py_Gid_Converter, &rgid,
-                          _Py_Gid_Converter, &egid))
-        return NULL;
-    if (setregid(rgid, egid) < 0) {
+    if (setregid(rgid, egid) < 0)
         return posix_error();
-    } else {
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETREGID */
 
+
 #ifdef HAVE_SETGID
-PyDoc_STRVAR(posix_setgid__doc__,
-"setgid(gid)\n\n\
-Set the current process's group id.");
+/*[clinic input]
+os.setgid
+    gid: gid_t
+    /
+
+Set the current process's group id.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setgid(PyObject *self, PyObject *args)
+os_setgid_impl(PyModuleDef *module, gid_t gid)
+/*[clinic end generated code: output=756cb42c6abd9d87 input=27d30c4059045dc6]*/
 {
-    gid_t gid;
-    if (!PyArg_ParseTuple(args, "O&:setgid", _Py_Gid_Converter, &gid))
-        return NULL;
     if (setgid(gid) < 0)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETGID */
 
+
 #ifdef HAVE_SETGROUPS
-PyDoc_STRVAR(posix_setgroups__doc__,
-"setgroups(list)\n\n\
-Set the groups of the current process to list.");
+/*[clinic input]
+os.setgroups
+
+    groups: object
+    /
+
+Set the groups of the current process to list.
+[clinic start generated code]*/
 
 static PyObject *
-posix_setgroups(PyObject *self, PyObject *groups)
+os_setgroups(PyModuleDef *module, PyObject *groups)
+/*[clinic end generated code: output=7945c2e3cc817c58 input=fa742ca3daf85a7e]*/
 {
     int i, len;
     gid_t grouplist[MAX_GROUPS];
@@ -6915,83 +6829,114 @@ wait_helper(pid_t pid, int status, struct rusage *ru)
 }
 #endif /* HAVE_WAIT3 || HAVE_WAIT4 */
 
+
 #ifdef HAVE_WAIT3
-PyDoc_STRVAR(posix_wait3__doc__,
-"wait3(options) -> (pid, status, rusage)\n\n\
-Wait for completion of a child process.");
+/*[clinic input]
+os.wait3
+
+    options: int
+Wait for completion of a child process.
+
+Returns a tuple of information about the child process:
+  (pid, status, rusage)
+[clinic start generated code]*/
 
 static PyObject *
-posix_wait3(PyObject *self, PyObject *args)
+os_wait3_impl(PyModuleDef *module, int options)
+/*[clinic end generated code: output=e18af4924dc54945 input=8ac4c56956b61710]*/
 {
     pid_t pid;
-    int options;
     struct rusage ru;
+    int async_err = 0;
     WAIT_TYPE status;
     WAIT_STATUS_INT(status) = 0;
 
-    if (!PyArg_ParseTuple(args, "i:wait3", &options))
-        return NULL;
-
-    Py_BEGIN_ALLOW_THREADS
-    pid = wait3(&status, options, &ru);
-    Py_END_ALLOW_THREADS
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        pid = wait3(&status, options, &ru);
+        Py_END_ALLOW_THREADS
+    } while (pid < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (pid < 0)
+        return (!async_err) ? posix_error() : NULL;
 
     return wait_helper(pid, WAIT_STATUS_INT(status), &ru);
 }
 #endif /* HAVE_WAIT3 */
 
+
 #ifdef HAVE_WAIT4
-PyDoc_STRVAR(posix_wait4__doc__,
-"wait4(pid, options) -> (pid, status, rusage)\n\n\
-Wait for completion of a given child process.");
+/*[clinic input]
+
+os.wait4
+
+    pid: pid_t
+    options: int
+
+Wait for completion of a specific child process.
+
+Returns a tuple of information about the child process:
+  (pid, status, rusage)
+[clinic start generated code]*/
 
 static PyObject *
-posix_wait4(PyObject *self, PyObject *args)
+os_wait4_impl(PyModuleDef *module, pid_t pid, int options)
+/*[clinic end generated code: output=714f19e6ff01e099 input=d11deed0750600ba]*/
 {
-    pid_t pid;
-    int options;
+    pid_t res;
     struct rusage ru;
+    int async_err = 0;
     WAIT_TYPE status;
     WAIT_STATUS_INT(status) = 0;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "i:wait4", &pid, &options))
-        return NULL;
-
-    Py_BEGIN_ALLOW_THREADS
-    pid = wait4(pid, &status, options, &ru);
-    Py_END_ALLOW_THREADS
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = wait4(pid, &status, options, &ru);
+        Py_END_ALLOW_THREADS
+    } while (res < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res < 0)
+        return (!async_err) ? posix_error() : NULL;
 
-    return wait_helper(pid, WAIT_STATUS_INT(status), &ru);
+    return wait_helper(res, WAIT_STATUS_INT(status), &ru);
 }
 #endif /* HAVE_WAIT4 */
 
+
 #if defined(HAVE_WAITID) && !defined(__APPLE__)
-PyDoc_STRVAR(posix_waitid__doc__,
-"waitid(idtype, id, options) -> waitid_result\n\n\
-Wait for the completion of one or more child processes.\n\n\
-idtype can be P_PID, P_PGID or P_ALL.\n\
-id specifies the pid to wait on.\n\
-options is constructed from the ORing of one or more of WEXITED, WSTOPPED\n\
-or WCONTINUED and additionally may be ORed with WNOHANG or WNOWAIT.\n\
-Returns either waitid_result or None if WNOHANG is specified and there are\n\
-no children in a waitable state.");
+/*[clinic input]
+os.waitid
+
+    idtype: idtype_t
+        Must be one of be P_PID, P_PGID or P_ALL.
+    id: id_t
+        The id to wait on.
+    options: int
+        Constructed from the ORing of one or more of WEXITED, WSTOPPED
+        or WCONTINUED and additionally may be ORed with WNOHANG or WNOWAIT.
+    /
+
+Returns the result of waiting for a process or processes.
+
+Returns either waitid_result or None if WNOHANG is specified and there are
+no children in a waitable state.
+[clinic start generated code]*/
 
 static PyObject *
-posix_waitid(PyObject *self, PyObject *args)
+os_waitid_impl(PyModuleDef *module, idtype_t idtype, id_t id, int options)
+/*[clinic end generated code: output=5c0192750e22fa2e input=d8e7f76e052b7920]*/
 {
     PyObject *result;
-    idtype_t idtype;
-    id_t id;
-    int options, res;
+    int res;
+    int async_err = 0;
     siginfo_t si;
     si.si_pid = 0;
-    if (!PyArg_ParseTuple(args, "i" _Py_PARSE_PID "i:waitid", &idtype, &id, &options))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    res = waitid(idtype, id, &si, options);
-    Py_END_ALLOW_THREADS
-    if (res == -1)
-        return posix_error();
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = waitid(idtype, id, &si, options);
+        Py_END_ALLOW_THREADS
+    } while (res < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res < 0)
+        return (!async_err) ? posix_error() : NULL;
 
     if (si.si_pid == 0)
         Py_RETURN_NONE;
@@ -7012,79 +6957,111 @@ posix_waitid(PyObject *self, PyObject *args)
 
     return result;
 }
-#endif
+#endif /* defined(HAVE_WAITID) && !defined(__APPLE__) */
+
+
+#if defined(HAVE_WAITPID)
+/*[clinic input]
+os.waitpid
+    pid: pid_t
+    options: int
+    /
+
+Wait for completion of a given child process.
 
-#ifdef HAVE_WAITPID
-PyDoc_STRVAR(posix_waitpid__doc__,
-"waitpid(pid, options) -> (pid, status)\n\n\
-Wait for completion of a given child process.");
+Returns a tuple of information regarding the child process:
+    (pid, status)
+
+The options argument is ignored on Windows.
+[clinic start generated code]*/
 
 static PyObject *
-posix_waitpid(PyObject *self, PyObject *args)
+os_waitpid_impl(PyModuleDef *module, pid_t pid, int options)
+/*[clinic end generated code: output=5e3593353d54b15b input=0bf1666b8758fda3]*/
 {
-    pid_t pid;
-    int options;
+    pid_t res;
+    int async_err = 0;
     WAIT_TYPE status;
     WAIT_STATUS_INT(status) = 0;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "i:waitpid", &pid, &options))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    pid = waitpid(pid, &status, options);
-    Py_END_ALLOW_THREADS
-    if (pid == -1)
-        return posix_error();
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = waitpid(pid, &status, options);
+        Py_END_ALLOW_THREADS
+    } while (res < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res < 0)
+        return (!async_err) ? posix_error() : NULL;
 
-    return Py_BuildValue("Ni", PyLong_FromPid(pid), WAIT_STATUS_INT(status));
+    return Py_BuildValue("Ni", PyLong_FromPid(res), WAIT_STATUS_INT(status));
 }
-
 #elif defined(HAVE_CWAIT)
-
 /* MS C has a variant of waitpid() that's usable for most purposes. */
-PyDoc_STRVAR(posix_waitpid__doc__,
-"waitpid(pid, options) -> (pid, status << 8)\n\n"
-"Wait for completion of a given process.  options is ignored on Windows.");
+/*[clinic input]
+os.waitpid
+    pid: Py_intptr_t
+    options: int
+    /
+
+Wait for completion of a given process.
+
+Returns a tuple of information regarding the process:
+    (pid, status << 8)
+
+The options argument is ignored on Windows.
+[clinic start generated code]*/
 
 static PyObject *
-posix_waitpid(PyObject *self, PyObject *args)
+os_waitpid_impl(PyModuleDef *module, Py_intptr_t pid, int options)
+/*[clinic end generated code: output=fc1d520db019625f input=444c8f51cca5b862]*/
 {
-    Py_intptr_t pid;
-    int status, options;
+    int status;
+    Py_intptr_t res;
+    int async_err = 0;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_INTPTR "i:waitpid", &pid, &options))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    pid = _cwait(&status, pid, options);
-    Py_END_ALLOW_THREADS
-    if (pid == -1)
-        return posix_error();
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = _cwait(&status, pid, options);
+        Py_END_ALLOW_THREADS
+    } while (res < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (res != 0)
+        return (!async_err) ? posix_error() : NULL;
 
     /* shift the status left a byte so this is more like the POSIX waitpid */
-    return Py_BuildValue(_Py_PARSE_INTPTR "i", pid, status << 8);
+    return Py_BuildValue(_Py_PARSE_INTPTR "i", res, status << 8);
 }
-#endif /* HAVE_WAITPID || HAVE_CWAIT */
+#endif
+
 
 #ifdef HAVE_WAIT
-PyDoc_STRVAR(posix_wait__doc__,
-"wait() -> (pid, status)\n\n\
-Wait for completion of a child process.");
+/*[clinic input]
+os.wait
+
+Wait for completion of a child process.
+
+Returns a tuple of information about the child process:
+    (pid, status)
+[clinic start generated code]*/
 
 static PyObject *
-posix_wait(PyObject *self, PyObject *noargs)
+os_wait_impl(PyModuleDef *module)
+/*[clinic end generated code: output=4a7f4978393e0654 input=03b0182d4a4700ce]*/
 {
     pid_t pid;
+    int async_err = 0;
     WAIT_TYPE status;
     WAIT_STATUS_INT(status) = 0;
 
-    Py_BEGIN_ALLOW_THREADS
-    pid = wait(&status);
-    Py_END_ALLOW_THREADS
-    if (pid == -1)
-        return posix_error();
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        pid = wait(&status);
+        Py_END_ALLOW_THREADS
+    } while (pid < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    if (pid < 0)
+        return (!async_err) ? posix_error() : NULL;
 
     return Py_BuildValue("Ni", PyLong_FromPid(pid), WAIT_STATUS_INT(status));
 }
-#endif
+#endif /* HAVE_WAIT */
 
 
 #if defined(HAVE_READLINK) || defined(MS_WINDOWS)
@@ -7100,6 +7077,7 @@ dir_fd may not be implemented on your platform.\n\
 
 #ifdef HAVE_READLINK
 
+/* AC 3.5: merge win32 and not together */
 static PyObject *
 posix_readlink(PyObject *self, PyObject *args, PyObject *kwargs)
 {
@@ -7114,12 +7092,7 @@ posix_readlink(PyObject *self, PyObject *args, PyObject *kwargs)
     path.function_name = "readlink";
     if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|$O&:readlink", keywords,
                           path_converter, &path,
-#ifdef HAVE_READLINKAT
-                          dir_fd_converter, &dir_fd
-#else
-                          dir_fd_unavailable, &dir_fd
-#endif
-                          ))
+                          READLINKAT_DIR_FD_CONVERTER, &dir_fd))
         return NULL;
 
     Py_BEGIN_ALLOW_THREADS
@@ -7145,23 +7118,86 @@ exit:
     return return_value;
 }
 
-
 #endif /* HAVE_READLINK */
 
+#if !defined(HAVE_READLINK) && defined(MS_WINDOWS)
+
+static PyObject *
+win_readlink(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    wchar_t *path;
+    DWORD n_bytes_returned;
+    DWORD io_result;
+    PyObject *po, *result;
+        int dir_fd;
+    HANDLE reparse_point_handle;
+
+    char target_buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
+    REPARSE_DATA_BUFFER *rdb = (REPARSE_DATA_BUFFER *)target_buffer;
+    wchar_t *print_name;
+
+    static char *keywords[] = {"path", "dir_fd", NULL};
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "U|$O&:readlink", keywords,
+                          &po,
+                          dir_fd_unavailable, &dir_fd
+                          ))
+        return NULL;
+
+    path = PyUnicode_AsUnicode(po);
+    if (path == NULL)
+        return NULL;
+
+    /* First get a handle to the reparse point */
+    Py_BEGIN_ALLOW_THREADS
+    reparse_point_handle = CreateFileW(
+        path,
+        0,
+        0,
+        0,
+        OPEN_EXISTING,
+        FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS,
+        0);
+    Py_END_ALLOW_THREADS
+
+    if (reparse_point_handle==INVALID_HANDLE_VALUE)
+        return win32_error_object("readlink", po);
+
+    Py_BEGIN_ALLOW_THREADS
+    /* New call DeviceIoControl to read the reparse point */
+    io_result = DeviceIoControl(
+        reparse_point_handle,
+        FSCTL_GET_REPARSE_POINT,
+        0, 0, /* in buffer */
+        target_buffer, sizeof(target_buffer),
+        &n_bytes_returned,
+        0 /* we're not using OVERLAPPED_IO */
+        );
+    CloseHandle(reparse_point_handle);
+    Py_END_ALLOW_THREADS
+
+    if (io_result==0)
+        return win32_error_object("readlink", po);
+
+    if (rdb->ReparseTag != IO_REPARSE_TAG_SYMLINK)
+    {
+        PyErr_SetString(PyExc_ValueError,
+                "not a symbolic link");
+        return NULL;
+    }
+    print_name = rdb->SymbolicLinkReparseBuffer.PathBuffer +
+                 rdb->SymbolicLinkReparseBuffer.PrintNameOffset;
+
+    result = PyUnicode_FromWideChar(print_name,
+                    rdb->SymbolicLinkReparseBuffer.PrintNameLength/2);
+    return result;
+}
+
+#endif /* !defined(HAVE_READLINK) && defined(MS_WINDOWS) */
+
+
 
 #ifdef HAVE_SYMLINK
-PyDoc_STRVAR(posix_symlink__doc__,
-"symlink(src, dst, target_is_directory=False, *, dir_fd=None)\n\n\
-Create a symbolic link pointing to src named dst.\n\n\
-target_is_directory is required on Windows if the target is to be\n\
-  interpreted as a directory.  (On Windows, symlink requires\n\
-  Windows 6.0 or greater, and raises a NotImplementedError otherwise.)\n\
-  target_is_directory is ignored on non-Windows platforms.\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
 
 #if defined(MS_WINDOWS)
 
@@ -7307,189 +7343,102 @@ _check_dirA(char *src, char *dest)
         && src_info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
     );
 }
-
 #endif
 
+
+/*[clinic input]
+os.symlink
+    src: path_t
+    dst: path_t
+    target_is_directory: bool = False
+    *
+    dir_fd: dir_fd(requires='symlinkat')=None
+
+# "symlink(src, dst, target_is_directory=False, *, dir_fd=None)\n\n\
+
+Create a symbolic link pointing to src named dst.
+
+target_is_directory is required on Windows if the target is to be
+  interpreted as a directory.  (On Windows, symlink requires
+  Windows 6.0 or greater, and raises a NotImplementedError otherwise.)
+  target_is_directory is ignored on non-Windows platforms.
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+
+[clinic start generated code]*/
+
 static PyObject *
-posix_symlink(PyObject *self, PyObject *args, PyObject *kwargs)
+os_symlink_impl(PyModuleDef *module, path_t *src, path_t *dst,
+                int target_is_directory, int dir_fd)
+/*[clinic end generated code: output=a01b4bcf32403ccd input=e820ec4472547bc3]*/
 {
-    path_t src;
-    path_t dst;
-    int dir_fd = DEFAULT_DIR_FD;
-    int target_is_directory = 0;
-    static char *keywords[] = {"src", "dst", "target_is_directory",
-                               "dir_fd", NULL};
-    PyObject *return_value;
 #ifdef MS_WINDOWS
     DWORD result;
 #else
     int result;
 #endif
 
-    memset(&src, 0, sizeof(src));
-    src.function_name = "symlink";
-    src.argument_name = "src";
-    memset(&dst, 0, sizeof(dst));
-    dst.function_name = "symlink";
-    dst.argument_name = "dst";
-
 #ifdef MS_WINDOWS
     if (!check_CreateSymbolicLink()) {
         PyErr_SetString(PyExc_NotImplementedError,
             "CreateSymbolicLink functions not found");
-                return NULL;
+        return NULL;
         }
     if (!win32_can_symlink) {
         PyErr_SetString(PyExc_OSError, "symbolic link privilege not held");
-                return NULL;
+        return NULL;
         }
 #endif
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&|i$O&:symlink",
-            keywords,
-            path_converter, &src,
-            path_converter, &dst,
-            &target_is_directory,
-#ifdef HAVE_SYMLINKAT
-            dir_fd_converter, &dir_fd
-#else
-            dir_fd_unavailable, &dir_fd
-#endif
-            ))
-        return NULL;
-
-    if ((src.narrow && dst.wide) || (src.wide && dst.narrow)) {
+    if ((src->narrow && dst->wide) || (src->wide && dst->narrow)) {
         PyErr_SetString(PyExc_ValueError,
             "symlink: src and dst must be the same type");
-        return_value = NULL;
-        goto exit;
+        return NULL;
     }
 
 #ifdef MS_WINDOWS
 
     Py_BEGIN_ALLOW_THREADS
-    if (dst.wide) {
+    if (dst->wide) {
         /* if src is a directory, ensure target_is_directory==1 */
-        target_is_directory |= _check_dirW(src.wide, dst.wide);
-        result = Py_CreateSymbolicLinkW(dst.wide, src.wide,
+        target_is_directory |= _check_dirW(src->wide, dst->wide);
+        result = Py_CreateSymbolicLinkW(dst->wide, src->wide,
                                         target_is_directory);
     }
     else {
         /* if src is a directory, ensure target_is_directory==1 */
-        target_is_directory |= _check_dirA(src.narrow, dst.narrow);
-        result = Py_CreateSymbolicLinkA(dst.narrow, src.narrow,
+        target_is_directory |= _check_dirA(src->narrow, dst->narrow);
+        result = Py_CreateSymbolicLinkA(dst->narrow, src->narrow,
                                         target_is_directory);
     }
     Py_END_ALLOW_THREADS
 
-    if (!result) {
-        return_value = path_error2(&src, &dst);
-        goto exit;
-    }
+    if (!result)
+        return path_error2(src, dst);
 
 #else
 
     Py_BEGIN_ALLOW_THREADS
 #if HAVE_SYMLINKAT
     if (dir_fd != DEFAULT_DIR_FD)
-        result = symlinkat(src.narrow, dir_fd, dst.narrow);
+        result = symlinkat(src->narrow, dir_fd, dst->narrow);
     else
 #endif
-        result = symlink(src.narrow, dst.narrow);
+        result = symlink(src->narrow, dst->narrow);
     Py_END_ALLOW_THREADS
 
-    if (result) {
-        return_value = path_error2(&src, &dst);
-        goto exit;
-    }
+    if (result)
+        return path_error2(src, dst);
 #endif
 
-    return_value = Py_None;
-    Py_INCREF(Py_None);
-    goto exit; /* silence "unused label" warning */
-exit:
-    path_cleanup(&src);
-    path_cleanup(&dst);
-    return return_value;
+    Py_RETURN_NONE;
 }
-
 #endif /* HAVE_SYMLINK */
 
 
-#if !defined(HAVE_READLINK) && defined(MS_WINDOWS)
-
-static PyObject *
-win_readlink(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    wchar_t *path;
-    DWORD n_bytes_returned;
-    DWORD io_result;
-    PyObject *po, *result;
-        int dir_fd;
-    HANDLE reparse_point_handle;
-
-    char target_buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
-    REPARSE_DATA_BUFFER *rdb = (REPARSE_DATA_BUFFER *)target_buffer;
-    wchar_t *print_name;
-
-    static char *keywords[] = {"path", "dir_fd", NULL};
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "U|$O&:readlink", keywords,
-                          &po,
-                          dir_fd_unavailable, &dir_fd
-                          ))
-        return NULL;
-
-    path = PyUnicode_AsUnicode(po);
-    if (path == NULL)
-        return NULL;
-
-    /* First get a handle to the reparse point */
-    Py_BEGIN_ALLOW_THREADS
-    reparse_point_handle = CreateFileW(
-        path,
-        0,
-        0,
-        0,
-        OPEN_EXISTING,
-        FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS,
-        0);
-    Py_END_ALLOW_THREADS
-
-    if (reparse_point_handle==INVALID_HANDLE_VALUE)
-        return win32_error_object("readlink", po);
-
-    Py_BEGIN_ALLOW_THREADS
-    /* New call DeviceIoControl to read the reparse point */
-    io_result = DeviceIoControl(
-        reparse_point_handle,
-        FSCTL_GET_REPARSE_POINT,
-        0, 0, /* in buffer */
-        target_buffer, sizeof(target_buffer),
-        &n_bytes_returned,
-        0 /* we're not using OVERLAPPED_IO */
-        );
-    CloseHandle(reparse_point_handle);
-    Py_END_ALLOW_THREADS
-
-    if (io_result==0)
-        return win32_error_object("readlink", po);
-
-    if (rdb->ReparseTag != IO_REPARSE_TAG_SYMLINK)
-    {
-        PyErr_SetString(PyExc_ValueError,
-                "not a symbolic link");
-        return NULL;
-    }
-    print_name = rdb->SymbolicLinkReparseBuffer.PathBuffer +
-                 rdb->SymbolicLinkReparseBuffer.PrintNameOffset;
-
-    result = PyUnicode_FromWideChar(print_name,
-                    rdb->SymbolicLinkReparseBuffer.PrintNameLength/2);
-    return result;
-}
-
-#endif /* !defined(HAVE_READLINK) && defined(MS_WINDOWS) */
 
 
 static PyStructSequence_Field times_result_fields[] = {
@@ -7555,15 +7504,26 @@ build_times_result(double user, double system,
     return value;
 }
 
-PyDoc_STRVAR(posix_times__doc__,
-"times() -> times_result\n\n\
-Return an object containing floating point numbers indicating process\n\
-times.  The object behaves like a named tuple with these fields:\n\
-  (utime, stime, cutime, cstime, elapsed_time)");
 
-#if defined(MS_WINDOWS)
+#ifndef MS_WINDOWS
+#define NEED_TICKS_PER_SECOND
+static long ticks_per_second = -1;
+#endif /* MS_WINDOWS */
+
+/*[clinic input]
+os.times
+
+Return a collection containing process timing information.
+
+The object returned behaves like a named tuple with these fields:
+  (utime, stime, cutime, cstime, elapsed_time)
+All fields are floating point numbers.
+[clinic start generated code]*/
+
 static PyObject *
-posix_times(PyObject *self, PyObject *noargs)
+os_times_impl(PyModuleDef *module)
+/*[clinic end generated code: output=df0a63ebe6e6f091 input=2bf9df3d6ab2e48b]*/
+#ifdef MS_WINDOWS
 {
     FILETIME create, exit, kernel, user;
     HANDLE hProc;
@@ -7583,12 +7543,10 @@ posix_times(PyObject *self, PyObject *noargs)
         (double)0,
         (double)0);
 }
-#else /* Not Windows */
-#define NEED_TICKS_PER_SECOND
-static long ticks_per_second = -1;
-static PyObject *
-posix_times(PyObject *self, PyObject *noargs)
+#else /* MS_WINDOWS */
 {
+
+
     struct tms t;
     clock_t c;
     errno = 0;
@@ -7602,23 +7560,25 @@ posix_times(PyObject *self, PyObject *noargs)
                          (double)t.tms_cstime / ticks_per_second,
                          (double)c / ticks_per_second);
 }
-#endif
-
+#endif /* MS_WINDOWS */
 #endif /* HAVE_TIMES */
 
 
 #ifdef HAVE_GETSID
-PyDoc_STRVAR(posix_getsid__doc__,
-"getsid(pid) -> sid\n\n\
-Call the system call getsid().");
+/*[clinic input]
+os.getsid
+
+    pid: pid_t
+    /
+
+Call the system call getsid(pid) and return the result.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getsid(PyObject *self, PyObject *args)
+os_getsid_impl(PyModuleDef *module, pid_t pid)
+/*[clinic end generated code: output=a074f80c0e6bfb38 input=eeb2b923a30ce04e]*/
 {
-    pid_t pid;
     int sid;
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID ":getsid", &pid))
-        return NULL;
     sid = getsid(pid);
     if (sid < 0)
         return posix_error();
@@ -7628,53 +7588,60 @@ posix_getsid(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_SETSID
-PyDoc_STRVAR(posix_setsid__doc__,
-"setsid()\n\n\
-Call the system call setsid().");
+/*[clinic input]
+os.setsid
+
+Call the system call setsid().
+[clinic start generated code]*/
 
 static PyObject *
-posix_setsid(PyObject *self, PyObject *noargs)
+os_setsid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=398fc152ae327330 input=5fff45858e2f0776]*/
 {
     if (setsid() < 0)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETSID */
 
+
 #ifdef HAVE_SETPGID
-PyDoc_STRVAR(posix_setpgid__doc__,
-"setpgid(pid, pgrp)\n\n\
-Call the system call setpgid().");
+/*[clinic input]
+os.setpgid
+
+    pid: pid_t
+    pgrp: pid_t
+    /
+
+Call the system call setpgid(pid, pgrp).
+[clinic start generated code]*/
 
 static PyObject *
-posix_setpgid(PyObject *self, PyObject *args)
+os_setpgid_impl(PyModuleDef *module, pid_t pid, pid_t pgrp)
+/*[clinic end generated code: output=7079a8e932912841 input=fceb395eca572e1a]*/
 {
-    pid_t pid;
-    int pgrp;
-    if (!PyArg_ParseTuple(args, _Py_PARSE_PID "i:setpgid", &pid, &pgrp))
-        return NULL;
     if (setpgid(pid, pgrp) < 0)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_SETPGID */
 
 
 #ifdef HAVE_TCGETPGRP
-PyDoc_STRVAR(posix_tcgetpgrp__doc__,
-"tcgetpgrp(fd) -> pgid\n\n\
-Return the process group associated with the terminal given by a fd.");
+/*[clinic input]
+os.tcgetpgrp
+
+    fd: int
+    /
+
+Return the process group associated with the terminal specified by fd.
+[clinic start generated code]*/
 
 static PyObject *
-posix_tcgetpgrp(PyObject *self, PyObject *args)
+os_tcgetpgrp_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=ebb6dc5f111c7dc0 input=7f6c18eac10ada86]*/
 {
-    int fd;
-    pid_t pgid;
-    if (!PyArg_ParseTuple(args, "i:tcgetpgrp", &fd))
-        return NULL;
-    pgid = tcgetpgrp(fd);
+    pid_t pgid = tcgetpgrp(fd);
     if (pgid < 0)
         return posix_error();
     return PyLong_FromPid(pgid);
@@ -7683,21 +7650,23 @@ posix_tcgetpgrp(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_TCSETPGRP
-PyDoc_STRVAR(posix_tcsetpgrp__doc__,
-"tcsetpgrp(fd, pgid)\n\n\
-Set the process group associated with the terminal given by a fd.");
+/*[clinic input]
+os.tcsetpgrp
+
+    fd: int
+    pgid: pid_t
+    /
+
+Set the process group associated with the terminal specified by fd.
+[clinic start generated code]*/
 
 static PyObject *
-posix_tcsetpgrp(PyObject *self, PyObject *args)
+os_tcsetpgrp_impl(PyModuleDef *module, int fd, pid_t pgid)
+/*[clinic end generated code: output=3e4b05177462cd22 input=5bdc997c6a619020]*/
 {
-    int fd;
-    pid_t pgid;
-    if (!PyArg_ParseTuple(args, "i" _Py_PARSE_PID ":tcsetpgrp", &fd, &pgid))
-        return NULL;
     if (tcsetpgrp(fd, pgid) < 0)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 #endif /* HAVE_TCSETPGRP */
 
@@ -7707,158 +7676,166 @@ posix_tcsetpgrp(PyObject *self, PyObject *args)
 extern int _Py_open_cloexec_works;
 #endif
 
-PyDoc_STRVAR(posix_open__doc__,
-"open(path, flags, mode=0o777, *, dir_fd=None)\n\n\
-Open a file for low level IO.  Returns a file handle (integer).\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
 
-static PyObject *
-posix_open(PyObject *self, PyObject *args, PyObject *kwargs)
+/*[clinic input]
+os.open -> int
+    path: path_t
+    flags: int
+    mode: int = 0o777
+    *
+    dir_fd: dir_fd(requires='openat') = None
+
+# "open(path, flags, mode=0o777, *, dir_fd=None)\n\n\
+
+Open a file for low level IO.  Returns a file descriptor (integer).
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+[clinic start generated code]*/
+
+static int
+os_open_impl(PyModuleDef *module, path_t *path, int flags, int mode,
+             int dir_fd)
+/*[clinic end generated code: output=47e8cc63559f5ddd input=ad8623b29acd2934]*/
 {
-    path_t path;
-    int flags;
-    int mode = 0777;
-    int dir_fd = DEFAULT_DIR_FD;
     int fd;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "flags", "mode", "dir_fd", NULL};
+    int async_err = 0;
+
 #ifdef O_CLOEXEC
     int *atomic_flag_works = &_Py_open_cloexec_works;
 #elif !defined(MS_WINDOWS)
     int *atomic_flag_works = NULL;
 #endif
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "open";
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&i|i$O&:open", keywords,
-        path_converter, &path,
-        &flags, &mode,
-#ifdef HAVE_OPENAT
-        dir_fd_converter, &dir_fd
-#else
-        dir_fd_unavailable, &dir_fd
-#endif
-        ))
-        return NULL;
-
 #ifdef MS_WINDOWS
     flags |= O_NOINHERIT;
 #elif defined(O_CLOEXEC)
     flags |= O_CLOEXEC;
 #endif
 
-    Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
+    do {
+        Py_BEGIN_ALLOW_THREADS
 #ifdef MS_WINDOWS
-    if (path.wide)
-        fd = _wopen(path.wide, flags, mode);
-    else
+        if (path->wide)
+            fd = _wopen(path->wide, flags, mode);
+        else
 #endif
 #ifdef HAVE_OPENAT
-    if (dir_fd != DEFAULT_DIR_FD)
-        fd = openat(dir_fd, path.narrow, flags, mode);
-    else
+        if (dir_fd != DEFAULT_DIR_FD)
+            fd = openat(dir_fd, path->narrow, flags, mode);
+        else
 #endif
-        fd = open(path.narrow, flags, mode);
-    Py_END_ALLOW_THREADS
+            fd = open(path->narrow, flags, mode);
+        Py_END_ALLOW_THREADS
+    } while (fd < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    _Py_END_SUPPRESS_IPH
 
     if (fd == -1) {
-        PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, path.object);
-        goto exit;
+        if (!async_err)
+            PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, path->object);
+        return -1;
     }
 
 #ifndef MS_WINDOWS
     if (_Py_set_inheritable(fd, 0, atomic_flag_works) < 0) {
         close(fd);
-        goto exit;
+        return -1;
     }
 #endif
 
-    return_value = PyLong_FromLong((long)fd);
-
-exit:
-    path_cleanup(&path);
-    return return_value;
+    return fd;
 }
 
-PyDoc_STRVAR(posix_close__doc__,
-"close(fd)\n\n\
-Close a file descriptor (for low level IO).");
 
-/*
-The underscore at end of function name avoids a name clash with the libc
-function posix_close.
-*/
+/*[clinic input]
+os.close
+
+    fd: int
+
+Close a file descriptor.
+[clinic start generated code]*/
+
 static PyObject *
-posix_close_(PyObject *self, PyObject *args)
+os_close_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=47bf2ea536445a26 input=2bc42451ca5c3223]*/
 {
-    int fd, res;
-    if (!PyArg_ParseTuple(args, "i:close", &fd))
-        return NULL;
+    int res;
     if (!_PyVerify_fd(fd))
         return posix_error();
+    /* We do not want to retry upon EINTR: see http://lwn.net/Articles/576478/
+     * and http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
+     * for more details.
+     */
     Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
     res = close(fd);
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
     if (res < 0)
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 
-PyDoc_STRVAR(posix_closerange__doc__,
-"closerange(fd_low, fd_high)\n\n\
-Closes all file descriptors in [fd_low, fd_high), ignoring errors.");
+/*[clinic input]
+os.closerange
+
+    fd_low: int
+    fd_high: int
+    /
+
+Closes all file descriptors in [fd_low, fd_high), ignoring errors.
+[clinic start generated code]*/
 
 static PyObject *
-posix_closerange(PyObject *self, PyObject *args)
+os_closerange_impl(PyModuleDef *module, int fd_low, int fd_high)
+/*[clinic end generated code: output=70e6adb95220ba96 input=5855a3d053ebd4ec]*/
 {
-    int fd_from, fd_to, i;
-    if (!PyArg_ParseTuple(args, "ii:closerange", &fd_from, &fd_to))
-        return NULL;
+    int i;
     Py_BEGIN_ALLOW_THREADS
-    for (i = fd_from; i < fd_to; i++)
+    _Py_BEGIN_SUPPRESS_IPH
+    for (i = fd_low; i < fd_high; i++)
         if (_PyVerify_fd(i))
             close(i);
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
     Py_RETURN_NONE;
 }
 
 
-PyDoc_STRVAR(posix_dup__doc__,
-"dup(fd) -> fd2\n\n\
-Return a duplicate of a file descriptor.");
-
-static PyObject *
-posix_dup(PyObject *self, PyObject *args)
-{
-    int fd;
+/*[clinic input]
+os.dup -> int
 
-    if (!PyArg_ParseTuple(args, "i:dup", &fd))
-        return NULL;
+    fd: int
+    /
 
-    fd = _Py_dup(fd);
-    if (fd == -1)
-        return NULL;
+Return a duplicate of a file descriptor.
+[clinic start generated code]*/
 
-    return PyLong_FromLong((long)fd);
+static int
+os_dup_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=f4bbac8c7652d05e input=6f10f7ea97f7852a]*/
+{
+    return _Py_dup(fd);
 }
 
 
-PyDoc_STRVAR(posix_dup2__doc__,
-"dup2(old_fd, new_fd)\n\n\
-Duplicate file descriptor.");
+/*[clinic input]
+os.dup2
+    fd: int
+    fd2: int
+    inheritable: bool=True
+
+Duplicate file descriptor.
+[clinic start generated code]*/
 
 static PyObject *
-posix_dup2(PyObject *self, PyObject *args, PyObject *kwargs)
+os_dup2_impl(PyModuleDef *module, int fd, int fd2, int inheritable)
+/*[clinic end generated code: output=9a099d95881a7923 input=76e96f511be0352f]*/
 {
-    static char *keywords[] = {"fd", "fd2", "inheritable", NULL};
-    int fd, fd2;
-    int inheritable = 1;
     int res;
 #if defined(HAVE_DUP3) && \
     !(defined(HAVE_FCNTL_H) && defined(F_DUP2FD_CLOEXEC))
@@ -7866,16 +7843,18 @@ posix_dup2(PyObject *self, PyObject *args, PyObject *kwargs)
     int dup3_works = -1;
 #endif
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ii|i:dup2", keywords,
-                                     &fd, &fd2, &inheritable))
-        return NULL;
-
     if (!_PyVerify_fd_dup2(fd, fd2))
         return posix_error();
 
+    /* dup2() can fail with EINTR if the target FD is already open, because it
+     * then has to be closed. See os_close_impl() for why we don't handle EINTR
+     * upon close(), and therefore below.
+     */
 #ifdef MS_WINDOWS
     Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
     res = dup2(fd, fd2);
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
     if (res < 0)
         return posix_error();
@@ -7930,30 +7909,34 @@ posix_dup2(PyObject *self, PyObject *args, PyObject *kwargs)
 
 #endif
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
+
 #ifdef HAVE_LOCKF
-PyDoc_STRVAR(posix_lockf__doc__,
-"lockf(fd, cmd, len)\n\n\
-Apply, test or remove a POSIX lock on an open file descriptor.\n\n\
-fd is an open file descriptor.\n\
-cmd specifies the command to use - one of F_LOCK, F_TLOCK, F_ULOCK or\n\
-F_TEST.\n\
-len specifies the section of the file to lock.");
+/*[clinic input]
+os.lockf
+
+    fd: int
+        An open file descriptor.
+    command: int
+        One of F_LOCK, F_TLOCK, F_ULOCK or F_TEST.
+    length: Py_off_t
+        The number of bytes to lock, starting at the current position.
+    /
+
+Apply, test or remove a POSIX lock on an open file descriptor.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_lockf(PyObject *self, PyObject *args)
+os_lockf_impl(PyModuleDef *module, int fd, int command, Py_off_t length)
+/*[clinic end generated code: output=25ff778f9e2fbf1b input=65da41d2106e9b79]*/
 {
-    int fd, cmd, res;
-    off_t len;
-    if (!PyArg_ParseTuple(args, "iiO&:lockf",
-            &fd, &cmd, _parse_off_t, &len))
-        return NULL;
+    int res;
 
     Py_BEGIN_ALLOW_THREADS
-    res = lockf(fd, cmd, len);
+    res = lockf(fd, command, length);
     Py_END_ALLOW_THREADS
 
     if (res < 0)
@@ -7961,95 +7944,105 @@ posix_lockf(PyObject *self, PyObject *args)
 
     Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_LOCKF */
 
 
-PyDoc_STRVAR(posix_lseek__doc__,
-"lseek(fd, pos, how) -> newpos\n\n\
-Set the current position of a file descriptor.\n\
-Return the new cursor position in bytes, starting from the beginning.");
+/*[clinic input]
+os.lseek -> Py_off_t
 
-static PyObject *
-posix_lseek(PyObject *self, PyObject *args)
+    fd: int
+    position: Py_off_t
+    how: int
+    /
+
+Set the position of a file descriptor.  Return the new position.
+
+Return the new cursor position in number of bytes
+relative to the beginning of the file.
+[clinic start generated code]*/
+
+static Py_off_t
+os_lseek_impl(PyModuleDef *module, int fd, Py_off_t position, int how)
+/*[clinic end generated code: output=65d4ab96d664998c input=902654ad3f96a6d3]*/
 {
-    int fd, how;
-#ifdef MS_WINDOWS
-    PY_LONG_LONG pos, res;
-#else
-    off_t pos, res;
-#endif
-    PyObject *posobj;
-    if (!PyArg_ParseTuple(args, "iOi:lseek", &fd, &posobj, &how))
-        return NULL;
+    Py_off_t result;
+
+    if (!_PyVerify_fd(fd)) {
+        posix_error();
+        return -1;
+    }
 #ifdef SEEK_SET
     /* Turn 0, 1, 2 into SEEK_{SET,CUR,END} */
     switch (how) {
-    case 0: how = SEEK_SET; break;
-    case 1: how = SEEK_CUR; break;
-    case 2: how = SEEK_END; break;
+        case 0: how = SEEK_SET; break;
+        case 1: how = SEEK_CUR; break;
+        case 2: how = SEEK_END; break;
     }
 #endif /* SEEK_END */
 
-#if !defined(HAVE_LARGEFILE_SUPPORT)
-    pos = PyLong_AsLong(posobj);
-#else
-    pos = PyLong_AsLongLong(posobj);
-#endif
     if (PyErr_Occurred())
-        return NULL;
+        return -1;
 
-    if (!_PyVerify_fd(fd))
-        return posix_error();
+    if (!_PyVerify_fd(fd)) {
+        posix_error();
+        return -1;
+    }
     Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
 #ifdef MS_WINDOWS
-    res = _lseeki64(fd, pos, how);
+    result = _lseeki64(fd, position, how);
 #else
-    res = lseek(fd, pos, how);
+    result = lseek(fd, position, how);
 #endif
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
-    if (res < 0)
-        return posix_error();
+    if (result < 0)
+        posix_error();
 
-#if !defined(HAVE_LARGEFILE_SUPPORT)
-    return PyLong_FromLong(res);
-#else
-    return PyLong_FromLongLong(res);
-#endif
+    return result;
 }
 
 
-PyDoc_STRVAR(posix_read__doc__,
-"read(fd, buffersize) -> bytes\n\n\
-Read a file descriptor.");
+/*[clinic input]
+os.read
+    fd: int
+    length: Py_ssize_t
+    /
+
+Read from a file descriptor.  Returns a bytes object.
+[clinic start generated code]*/
 
 static PyObject *
-posix_read(PyObject *self, PyObject *args)
+os_read_impl(PyModuleDef *module, int fd, Py_ssize_t length)
+/*[clinic end generated code: output=be24f44178455e8b input=1df2eaa27c0bf1d3]*/
 {
-    int fd, size;
     Py_ssize_t n;
     PyObject *buffer;
-    if (!PyArg_ParseTuple(args, "ii:read", &fd, &size))
-        return NULL;
-    if (size < 0) {
+
+    if (length < 0) {
         errno = EINVAL;
         return posix_error();
     }
-    buffer = PyBytes_FromStringAndSize((char *)NULL, size);
+
+#ifdef MS_WINDOWS
+    /* On Windows, the count parameter of read() is an int */
+    if (length > INT_MAX)
+        length = INT_MAX;
+#endif
+
+    buffer = PyBytes_FromStringAndSize((char *)NULL, length);
     if (buffer == NULL)
         return NULL;
-    if (!_PyVerify_fd(fd)) {
-        Py_DECREF(buffer);
-        return posix_error();
-    }
-    Py_BEGIN_ALLOW_THREADS
-    n = read(fd, PyBytes_AS_STRING(buffer), size);
-    Py_END_ALLOW_THREADS
-    if (n < 0) {
+
+    n = _Py_read(fd, PyBytes_AS_STRING(buffer), length);
+    if (n == -1) {
         Py_DECREF(buffer);
-        return posix_error();
+        return NULL;
     }
-    if (n != size)
+
+    if (n != length)
         _PyBytes_Resize(&buffer, n);
+
     return buffer;
 }
 
@@ -8111,120 +8104,135 @@ iov_cleanup(struct iovec *iov, Py_buffer *buf, int cnt)
 }
 #endif
 
+
 #ifdef HAVE_READV
-PyDoc_STRVAR(posix_readv__doc__,
-"readv(fd, buffers) -> bytesread\n\n\
-Read from a file descriptor fd into a number of mutable, bytes-like\n\
-objects (\"buffers\").  readv will transfer data into each buffer\n\
-until it is full and then move on to the next buffer in the sequence\n\
-to hold the rest of the data.\n\n\
-readv returns the total number of bytes read (which may be less than\n\
-the total capacity of all the buffers.");
+/*[clinic input]
+os.readv -> Py_ssize_t
 
-static PyObject *
-posix_readv(PyObject *self, PyObject *args)
+    fd: int
+    buffers: object
+    /
+
+Read from a file descriptor fd into an iterable of buffers.
+
+The buffers should be mutable buffers accepting bytes.
+readv will transfer data into each buffer until it is full
+and then move on to the next buffer in the sequence to hold
+the rest of the data.
+
+readv returns the total number of bytes read,
+which may be less than the total capacity of all the buffers.
+[clinic start generated code]*/
+
+static Py_ssize_t
+os_readv_impl(PyModuleDef *module, int fd, PyObject *buffers)
+/*[clinic end generated code: output=00fc56ff1800059f input=e679eb5dbfa0357d]*/
 {
-    int fd, cnt;
+    int cnt;
     Py_ssize_t n;
-    PyObject *seq;
+    int async_err = 0;
     struct iovec *iov;
     Py_buffer *buf;
 
-    if (!PyArg_ParseTuple(args, "iO:readv", &fd, &seq))
-        return NULL;
-    if (!PySequence_Check(seq)) {
+    if (!PySequence_Check(buffers)) {
         PyErr_SetString(PyExc_TypeError,
             "readv() arg 2 must be a sequence");
-        return NULL;
+        return -1;
     }
-    cnt = PySequence_Size(seq);
 
-    if (iov_setup(&iov, &buf, seq, cnt, PyBUF_WRITABLE) < 0)
-        return NULL;
+    cnt = PySequence_Size(buffers);
 
-    Py_BEGIN_ALLOW_THREADS
-    n = readv(fd, iov, cnt);
-    Py_END_ALLOW_THREADS
+    if (iov_setup(&iov, &buf, buffers, cnt, PyBUF_WRITABLE) < 0)
+        return -1;
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        n = readv(fd, iov, cnt);
+        Py_END_ALLOW_THREADS
+    } while (n < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
 
     iov_cleanup(iov, buf, cnt);
-    if (n < 0)
-        return posix_error();
+    if (n < 0) {
+        if (!async_err)
+            posix_error();
+        return -1;
+    }
 
-    return PyLong_FromSsize_t(n);
+    return n;
 }
-#endif
+#endif /* HAVE_READV */
+
 
 #ifdef HAVE_PREAD
-PyDoc_STRVAR(posix_pread__doc__,
-"pread(fd, buffersize, offset) -> string\n\n\
-Read from a file descriptor, fd, at a position of offset. It will read up\n\
-to buffersize number of bytes. The file offset remains unchanged.");
+/*[clinic input]
+# TODO length should be size_t!  but Python doesn't support parsing size_t yet.
+os.pread
+
+    fd: int
+    length: int
+    offset: Py_off_t
+    /
+
+Read a number of bytes from a file descriptor starting at a particular offset.
+
+Read length bytes from file descriptor fd, starting at offset bytes from
+the beginning of the file.  The file offset remains unchanged.
+[clinic start generated code]*/
 
 static PyObject *
-posix_pread(PyObject *self, PyObject *args)
+os_pread_impl(PyModuleDef *module, int fd, int length, Py_off_t offset)
+/*[clinic end generated code: output=90d1fed87f68fa33 input=084948dcbaa35d4c]*/
 {
-    int fd, size;
-    off_t offset;
     Py_ssize_t n;
+    int async_err = 0;
     PyObject *buffer;
-    if (!PyArg_ParseTuple(args, "iiO&:pread", &fd, &size, _parse_off_t, &offset))
-        return NULL;
 
-    if (size < 0) {
+    if (length < 0) {
         errno = EINVAL;
         return posix_error();
     }
-    buffer = PyBytes_FromStringAndSize((char *)NULL, size);
+    buffer = PyBytes_FromStringAndSize((char *)NULL, length);
     if (buffer == NULL)
         return NULL;
     if (!_PyVerify_fd(fd)) {
         Py_DECREF(buffer);
         return posix_error();
     }
-    Py_BEGIN_ALLOW_THREADS
-    n = pread(fd, PyBytes_AS_STRING(buffer), size, offset);
-    Py_END_ALLOW_THREADS
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        _Py_BEGIN_SUPPRESS_IPH
+        n = pread(fd, PyBytes_AS_STRING(buffer), length, offset);
+        _Py_END_SUPPRESS_IPH
+        Py_END_ALLOW_THREADS
+    } while (n < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+
     if (n < 0) {
         Py_DECREF(buffer);
-        return posix_error();
+        return (!async_err) ? posix_error() : NULL;
     }
-    if (n != size)
+    if (n != length)
         _PyBytes_Resize(&buffer, n);
     return buffer;
 }
-#endif
+#endif /* HAVE_PREAD */
 
-PyDoc_STRVAR(posix_write__doc__,
-"write(fd, data) -> byteswritten\n\n\
-Write bytes to a file descriptor.");
 
-static PyObject *
-posix_write(PyObject *self, PyObject *args)
-{
-    Py_buffer pbuf;
-    int fd;
-    Py_ssize_t size, len;
+/*[clinic input]
+os.write -> Py_ssize_t
 
-    if (!PyArg_ParseTuple(args, "iy*:write", &fd, &pbuf))
-        return NULL;
-    if (!_PyVerify_fd(fd)) {
-        PyBuffer_Release(&pbuf);
-        return posix_error();
-    }
-    len = pbuf.len;
-    Py_BEGIN_ALLOW_THREADS
-#ifdef MS_WINDOWS
-    if (len > INT_MAX)
-        len = INT_MAX;
-    size = write(fd, pbuf.buf, (int)len);
-#else
-    size = write(fd, pbuf.buf, len);
-#endif
-    Py_END_ALLOW_THREADS
-    PyBuffer_Release(&pbuf);
-    if (size < 0)
-        return posix_error();
-    return PyLong_FromSsize_t(size);
+    fd: int
+    data: Py_buffer
+    /
+
+Write a bytes object to a file descriptor.
+[clinic start generated code]*/
+
+static Py_ssize_t
+os_write_impl(PyModuleDef *module, int fd, Py_buffer *data)
+/*[clinic end generated code: output=58845c93c9ee1dda input=3207e28963234f3c]*/
+{
+    return _Py_write(fd, data->buf, data->len);
 }
 
 #ifdef HAVE_SENDFILE
@@ -8234,11 +8242,13 @@ sendfile(out, in, offset, nbytes, headers=None, trailers=None, flags=0)\n\
             -> byteswritten\n\
 Copy nbytes bytes from file descriptor in to file descriptor out.");
 
+/* AC 3.5: don't bother converting, has optional group*/
 static PyObject *
 posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict)
 {
     int in, out;
     Py_ssize_t ret;
+    int async_err = 0;
     off_t offset;
 
 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__)
@@ -8259,10 +8269,10 @@ posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict)
 
 #ifdef __APPLE__
     if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iiO&O&|OOi:sendfile",
-        keywords, &out, &in, _parse_off_t, &offset, _parse_off_t, &sbytes,
+        keywords, &out, &in, Py_off_t_converter, &offset, Py_off_t_converter, &sbytes,
 #else
     if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iiO&n|OOi:sendfile",
-        keywords, &out, &in, _parse_off_t, &offset, &len,
+        keywords, &out, &in, Py_off_t_converter, &offset, &len,
 #endif
                 &headers, &trailers, &flags))
             return NULL;
@@ -8301,13 +8311,17 @@ posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict)
         }
     }
 
-    Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
+    do {
+        Py_BEGIN_ALLOW_THREADS
 #ifdef __APPLE__
-    ret = sendfile(in, out, offset, &sbytes, &sf, flags);
+        ret = sendfile(in, out, offset, &sbytes, &sf, flags);
 #else
-    ret = sendfile(in, out, offset, len, &sf, &sbytes, flags);
+        ret = sendfile(in, out, offset, len, &sf, &sbytes, flags);
 #endif
-    Py_END_ALLOW_THREADS
+        Py_END_ALLOW_THREADS
+    } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+    _Py_END_SUPPRESS_IPH
 
     if (sf.headers != NULL)
         iov_cleanup(sf.headers, hbuf, sf.hdr_cnt);
@@ -8326,7 +8340,7 @@ posix_sendfile(PyObject *self, PyObject *args, PyObject *kwdict)
                 return posix_error();
             }
         }
-        return posix_error();
+        return (!async_err) ? posix_error() : NULL;
     }
     goto done;
 
@@ -8347,76 +8361,106 @@ done:
         return NULL;
 #ifdef linux
     if (offobj == Py_None) {
-        Py_BEGIN_ALLOW_THREADS
-        ret = sendfile(out, in, NULL, count);
-        Py_END_ALLOW_THREADS
+        do {
+            Py_BEGIN_ALLOW_THREADS
+            ret = sendfile(out, in, NULL, count);
+            Py_END_ALLOW_THREADS
+        } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
         if (ret < 0)
-            return posix_error();
+            return (!async_err) ? posix_error() : NULL;
         return Py_BuildValue("n", ret);
     }
 #endif
-    if (!_parse_off_t(offobj, &offset))
+    if (!Py_off_t_converter(offobj, &offset))
         return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    ret = sendfile(out, in, &offset, count);
-    Py_END_ALLOW_THREADS
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        ret = sendfile(out, in, &offset, count);
+        Py_END_ALLOW_THREADS
+    } while (ret < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
     if (ret < 0)
-        return posix_error();
+        return (!async_err) ? posix_error() : NULL;
     return Py_BuildValue("n", ret);
 #endif
 }
-#endif
+#endif /* HAVE_SENDFILE */
+
+
+/*[clinic input]
+os.fstat
 
-PyDoc_STRVAR(posix_fstat__doc__,
-"fstat(fd) -> stat result\n\n\
-Like stat(), but for an open file descriptor.\n\
-Equivalent to stat(fd=fd).");
+    fd : int
+
+Perform a stat system call on the given file descriptor.
+
+Like stat(), but for an open file descriptor.
+Equivalent to os.stat(fd).
+[clinic start generated code]*/
 
 static PyObject *
-posix_fstat(PyObject *self, PyObject *args)
+os_fstat_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=d71fe98bf042b626 input=27e0e0ebbe5600c9]*/
 {
-    int fd;
     STRUCT_STAT st;
     int res;
-    if (!PyArg_ParseTuple(args, "i:fstat", &fd))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    res = FSTAT(fd, &st);
-    Py_END_ALLOW_THREADS
+    int async_err = 0;
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        res = FSTAT(fd, &st);
+        Py_END_ALLOW_THREADS
+    } while (res != 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
     if (res != 0) {
 #ifdef MS_WINDOWS
         return PyErr_SetFromWindowsErr(0);
 #else
-        return posix_error();
+        return (!async_err) ? posix_error() : NULL;
 #endif
     }
 
     return _pystat_fromstructstat(&st);
 }
 
-PyDoc_STRVAR(posix_isatty__doc__,
-"isatty(fd) -> bool\n\n\
-Return True if the file descriptor 'fd' is an open file descriptor\n\
-connected to the slave end of a terminal.");
 
-static PyObject *
-posix_isatty(PyObject *self, PyObject *args)
+/*[clinic input]
+os.isatty -> bool
+    fd: int
+    /
+
+Return True if the fd is connected to a terminal.
+
+Return True if the file descriptor is an open file descriptor
+connected to the slave end of a terminal.
+[clinic start generated code]*/
+
+static int
+os_isatty_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=acec9d3c29d16d33 input=08ce94aa1eaf7b5e]*/
 {
-    int fd;
-    if (!PyArg_ParseTuple(args, "i:isatty", &fd))
-        return NULL;
+    int return_value;
     if (!_PyVerify_fd(fd))
-        return PyBool_FromLong(0);
-    return PyBool_FromLong(isatty(fd));
+        return 0;
+    _Py_BEGIN_SUPPRESS_IPH
+    return_value = isatty(fd);
+    _Py_END_SUPPRESS_IPH
+    return return_value;
 }
 
+
 #ifdef HAVE_PIPE
-PyDoc_STRVAR(posix_pipe__doc__,
-"pipe() -> (read_end, write_end)\n\n\
-Create a pipe.");
+/*[clinic input]
+os.pipe
+
+Create a pipe.
+
+Returns a tuple of two file descriptors:
+  (read_fd, write_fd)
+[clinic start generated code]*/
 
 static PyObject *
-posix_pipe(PyObject *self, PyObject *noargs)
+os_pipe_impl(PyModuleDef *module)
+/*[clinic end generated code: output=6b0cd3f868ec3c40 input=02535e8c8fa6c4d4]*/
 {
     int fds[2];
 #ifdef MS_WINDOWS
@@ -8484,25 +8528,30 @@ posix_pipe(PyObject *self, PyObject *noargs)
 }
 #endif  /* HAVE_PIPE */
 
+
 #ifdef HAVE_PIPE2
-PyDoc_STRVAR(posix_pipe2__doc__,
-"pipe2(flags) -> (read_end, write_end)\n\n\
-Create a pipe with flags set atomically.\n\
-flags can be constructed by ORing together one or more of these values:\n\
-O_NONBLOCK, O_CLOEXEC.\n\
-");
+/*[clinic input]
+os.pipe2
+
+    flags: int
+    /
+
+Create a pipe with flags set atomically.
+
+Returns a tuple of two file descriptors:
+  (read_fd, write_fd)
+
+flags can be constructed by ORing together one or more of these values:
+O_NONBLOCK, O_CLOEXEC.
+[clinic start generated code]*/
 
 static PyObject *
-posix_pipe2(PyObject *self, PyObject *arg)
+os_pipe2_impl(PyModuleDef *module, int flags)
+/*[clinic end generated code: output=c15b6075d0c6b2e7 input=f261b6e7e63c6817]*/
 {
-    int flags;
     int fds[2];
     int res;
 
-    flags = _PyLong_AsInt(arg);
-    if (flags == -1 && PyErr_Occurred())
-        return NULL;
-
     res = pipe2(fds, flags);
     if (res != 0)
         return posix_error();
@@ -8510,306 +8559,340 @@ posix_pipe2(PyObject *self, PyObject *arg)
 }
 #endif /* HAVE_PIPE2 */
 
+
 #ifdef HAVE_WRITEV
-PyDoc_STRVAR(posix_writev__doc__,
-"writev(fd, buffers) -> byteswritten\n\n\
-Write the contents of *buffers* to file descriptor *fd*. *buffers*\n\
-must be a sequence of bytes-like objects.\n\n\
-writev writes the contents of each object to the file descriptor\n\
-and returns the total number of bytes written.");
+/*[clinic input]
+os.writev -> Py_ssize_t
+    fd: int
+    buffers: object
+    /
 
-static PyObject *
-posix_writev(PyObject *self, PyObject *args)
+Iterate over buffers, and write the contents of each to a file descriptor.
+
+Returns the total number of bytes written.
+buffers must be a sequence of bytes-like objects.
+[clinic start generated code]*/
+
+static Py_ssize_t
+os_writev_impl(PyModuleDef *module, int fd, PyObject *buffers)
+/*[clinic end generated code: output=a48925dbf2d5c238 input=5b8d17fe4189d2fe]*/
 {
-    int fd, cnt;
-    Py_ssize_t res;
-    PyObject *seq;
+    int cnt;
+    Py_ssize_t result;
+    int async_err = 0;
     struct iovec *iov;
     Py_buffer *buf;
-    if (!PyArg_ParseTuple(args, "iO:writev", &fd, &seq))
-        return NULL;
-    if (!PySequence_Check(seq)) {
+
+    if (!PySequence_Check(buffers)) {
         PyErr_SetString(PyExc_TypeError,
             "writev() arg 2 must be a sequence");
-        return NULL;
+        return -1;
     }
-    cnt = PySequence_Size(seq);
+    cnt = PySequence_Size(buffers);
 
-    if (iov_setup(&iov, &buf, seq, cnt, PyBUF_SIMPLE) < 0) {
-        return NULL;
+    if (iov_setup(&iov, &buf, buffers, cnt, PyBUF_SIMPLE) < 0) {
+        return -1;
     }
 
-    Py_BEGIN_ALLOW_THREADS
-    res = writev(fd, iov, cnt);
-    Py_END_ALLOW_THREADS
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        result = writev(fd, iov, cnt);
+        Py_END_ALLOW_THREADS
+    } while (result < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
 
     iov_cleanup(iov, buf, cnt);
-    if (res < 0)
-        return posix_error();
+    if (result < 0 && !async_err)
+        posix_error();
 
-    return PyLong_FromSsize_t(res);
+    return result;
 }
-#endif
+#endif /* HAVE_WRITEV */
+
 
 #ifdef HAVE_PWRITE
-PyDoc_STRVAR(posix_pwrite__doc__,
-"pwrite(fd, string, offset) -> byteswritten\n\n\
-Write string to a file descriptor, fd, from offset, leaving the file\n\
-offset unchanged.");
+/*[clinic input]
+os.pwrite -> Py_ssize_t
 
-static PyObject *
-posix_pwrite(PyObject *self, PyObject *args)
+    fd: int
+    buffer: Py_buffer
+    offset: Py_off_t
+    /
+
+Write bytes to a file descriptor starting at a particular offset.
+
+Write buffer to fd, starting at offset bytes from the beginning of
+the file.  Returns the number of bytes writte.  Does not change the
+current file offset.
+[clinic start generated code]*/
+
+static Py_ssize_t
+os_pwrite_impl(PyModuleDef *module, int fd, Py_buffer *buffer,
+               Py_off_t offset)
+/*[clinic end generated code: output=93aabdb40e17d325 input=19903f1b3dd26377]*/
 {
-    Py_buffer pbuf;
-    int fd;
-    off_t offset;
     Py_ssize_t size;
-
-    if (!PyArg_ParseTuple(args, "iy*O&:pwrite", &fd, &pbuf, _parse_off_t, &offset))
-        return NULL;
+    int async_err = 0;
 
     if (!_PyVerify_fd(fd)) {
-        PyBuffer_Release(&pbuf);
-        return posix_error();
+        posix_error();
+        return -1;
     }
-    Py_BEGIN_ALLOW_THREADS
-    size = pwrite(fd, pbuf.buf, (size_t)pbuf.len, offset);
-    Py_END_ALLOW_THREADS
-    PyBuffer_Release(&pbuf);
-    if (size < 0)
-        return posix_error();
-    return PyLong_FromSsize_t(size);
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        _Py_BEGIN_SUPPRESS_IPH
+        size = pwrite(fd, buffer->buf, (size_t)buffer->len, offset);
+        _Py_END_SUPPRESS_IPH
+        Py_END_ALLOW_THREADS
+    } while (size < 0 && errno == EINTR && !(async_err = PyErr_CheckSignals()));
+
+    if (size < 0 && !async_err)
+        posix_error();
+    return size;
 }
-#endif
+#endif /* HAVE_PWRITE */
+
 
 #ifdef HAVE_MKFIFO
-PyDoc_STRVAR(posix_mkfifo__doc__,
-"mkfifo(path, mode=0o666, *, dir_fd=None)\n\n\
-Create a FIFO (a POSIX named pipe).\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
+/*[clinic input]
+os.mkfifo
+
+    path: path_t
+    mode: int=0o666
+    *
+    dir_fd: dir_fd(requires='mkfifoat')=None
+
+Create a "fifo" (a POSIX named pipe).
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+[clinic start generated code]*/
 
 static PyObject *
-posix_mkfifo(PyObject *self, PyObject *args, PyObject *kwargs)
+os_mkfifo_impl(PyModuleDef *module, path_t *path, int mode, int dir_fd)
+/*[clinic end generated code: output=8f5f5e72c630049a input=73032e98a36e0e19]*/
 {
-    path_t path;
-    int mode = 0666;
-    int dir_fd = DEFAULT_DIR_FD;
     int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "mode", "dir_fd", NULL};
+    int async_err = 0;
 
-    memset(&path, 0, sizeof(path));
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|i$O&:mkfifo", keywords,
-        path_converter, &path,
-        &mode,
+    do {
+        Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_MKFIFOAT
-        dir_fd_converter, &dir_fd
-#else
-        dir_fd_unavailable, &dir_fd
+        if (dir_fd != DEFAULT_DIR_FD)
+            result = mkfifoat(dir_fd, path->narrow, mode);
+        else
 #endif
-        ))
-        return NULL;
+            result = mkfifo(path->narrow, mode);
+        Py_END_ALLOW_THREADS
+    } while (result != 0 && errno == EINTR &&
+             !(async_err = PyErr_CheckSignals()));
+    if (result != 0)
+        return (!async_err) ? posix_error() : NULL;
 
-    Py_BEGIN_ALLOW_THREADS
-#ifdef HAVE_MKFIFOAT
-    if (dir_fd != DEFAULT_DIR_FD)
-        result = mkfifoat(dir_fd, path.narrow, mode);
-    else
-#endif
-        result = mkfifo(path.narrow, mode);
-    Py_END_ALLOW_THREADS
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_MKFIFO */
 
-    if (result < 0) {
-        return_value = posix_error();
-        goto exit;
-    }
 
-    return_value = Py_None;
-    Py_INCREF(Py_None);
+#if defined(HAVE_MKNOD) && defined(HAVE_MAKEDEV)
+/*[clinic input]
+os.mknod
 
-exit:
-    path_cleanup(&path);
-    return return_value;
-}
-#endif
+    path: path_t
+    mode: int=0o600
+    device: dev_t=0
+    *
+    dir_fd: dir_fd(requires='mknodat')=None
 
-#if defined(HAVE_MKNOD) && defined(HAVE_MAKEDEV)
-PyDoc_STRVAR(posix_mknod__doc__,
-"mknod(filename, mode=0o600, device=0, *, dir_fd=None)\n\n\
-Create a filesystem node (file, device special file or named pipe)\n\
-named filename. mode specifies both the permissions to use and the\n\
-type of node to be created, being combined (bitwise OR) with one of\n\
-S_IFREG, S_IFCHR, S_IFBLK, and S_IFIFO. For S_IFCHR and S_IFBLK,\n\
-device defines the newly created device special file (probably using\n\
-os.makedev()), otherwise it is ignored.\n\
-\n\
-If dir_fd is not None, it should be a file descriptor open to a directory,\n\
-  and path should be relative; path will then be relative to that directory.\n\
-dir_fd may not be implemented on your platform.\n\
-  If it is unavailable, using it will raise a NotImplementedError.");
+Create a node in the file system.
 
+Create a node in the file system (file, device special file or named pipe)
+at path.  mode specifies both the permissions to use and the
+type of node to be created, being combined (bitwise OR) with one of
+S_IFREG, S_IFCHR, S_IFBLK, and S_IFIFO.  If S_IFCHR or S_IFBLK is set on mode,
+device defines the newly created device special file (probably using
+os.makedev()).  Otherwise device is ignored.
+
+If dir_fd is not None, it should be a file descriptor open to a directory,
+  and path should be relative; path will then be relative to that directory.
+dir_fd may not be implemented on your platform.
+  If it is unavailable, using it will raise a NotImplementedError.
+[clinic start generated code]*/
 
 static PyObject *
-posix_mknod(PyObject *self, PyObject *args, PyObject *kwargs)
+os_mknod_impl(PyModuleDef *module, path_t *path, int mode, dev_t device,
+              int dir_fd)
+/*[clinic end generated code: output=5151a8a9f754d272 input=ee44531551a4d83b]*/
 {
-    path_t path;
-    int mode = 0666;
-    dev_t device = 0;
-    int dir_fd = DEFAULT_DIR_FD;
     int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "mode", "device", "dir_fd", NULL};
+    int async_err = 0;
 
-    memset(&path, 0, sizeof(path));
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&|iO&$O&:mknod", keywords,
-        path_converter, &path,
-        &mode, _Py_Dev_Converter, &device,
+    do {
+        Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_MKNODAT
-        dir_fd_converter, &dir_fd
-#else
-        dir_fd_unavailable, &dir_fd
+        if (dir_fd != DEFAULT_DIR_FD)
+            result = mknodat(dir_fd, path->narrow, mode, device);
+        else
 #endif
-        ))
-        return NULL;
+            result = mknod(path->narrow, mode, device);
+        Py_END_ALLOW_THREADS
+    } while (result != 0 && errno == EINTR &&
+             !(async_err = PyErr_CheckSignals()));
+    if (result != 0)
+        return (!async_err) ? posix_error() : NULL;
 
-    Py_BEGIN_ALLOW_THREADS
-#ifdef HAVE_MKNODAT
-    if (dir_fd != DEFAULT_DIR_FD)
-        result = mknodat(dir_fd, path.narrow, mode, device);
-    else
-#endif
-        result = mknod(path.narrow, mode, device);
-    Py_END_ALLOW_THREADS
+    Py_RETURN_NONE;
+}
+#endif /* defined(HAVE_MKNOD) && defined(HAVE_MAKEDEV) */
 
-    if (result < 0) {
-        return_value = posix_error();
-        goto exit;
-    }
 
-    return_value = Py_None;
-    Py_INCREF(Py_None);
+#ifdef HAVE_DEVICE_MACROS
+/*[clinic input]
+os.major -> unsigned_int
 
-exit:
-    path_cleanup(&path);
-    return return_value;
-}
-#endif
+    device: dev_t
+    /
 
-#ifdef HAVE_DEVICE_MACROS
-PyDoc_STRVAR(posix_major__doc__,
-"major(device) -> major number\n\
-Extracts a device major number from a raw device number.");
+Extracts a device major number from a raw device number.
+[clinic start generated code]*/
 
-static PyObject *
-posix_major(PyObject *self, PyObject *args)
+static unsigned int
+os_major_impl(PyModuleDef *module, dev_t device)
+/*[clinic end generated code: output=ba55693ab49bac34 input=1e16a4d30c4d4462]*/
 {
-    dev_t device;
-    if (!PyArg_ParseTuple(args, "O&:major", _Py_Dev_Converter, &device))
-        return NULL;
-    return PyLong_FromLong((long)major(device));
+    return major(device);
 }
 
-PyDoc_STRVAR(posix_minor__doc__,
-"minor(device) -> minor number\n\
-Extracts a device minor number from a raw device number.");
 
-static PyObject *
-posix_minor(PyObject *self, PyObject *args)
+/*[clinic input]
+os.minor -> unsigned_int
+
+    device: dev_t
+    /
+
+Extracts a device minor number from a raw device number.
+[clinic start generated code]*/
+
+static unsigned int
+os_minor_impl(PyModuleDef *module, dev_t device)
+/*[clinic end generated code: output=2867219ebf274e27 input=0842c6d23f24c65e]*/
 {
-    dev_t device;
-    if (!PyArg_ParseTuple(args, "O&:minor", _Py_Dev_Converter, &device))
-        return NULL;
-    return PyLong_FromLong((long)minor(device));
+    return minor(device);
 }
 
-PyDoc_STRVAR(posix_makedev__doc__,
-"makedev(major, minor) -> device number\n\
-Composes a raw device number from the major and minor device numbers.");
 
-static PyObject *
-posix_makedev(PyObject *self, PyObject *args)
+/*[clinic input]
+os.makedev -> dev_t
+
+    major: int
+    minor: int
+    /
+
+Composes a raw device number from the major and minor device numbers.
+[clinic start generated code]*/
+
+static dev_t
+os_makedev_impl(PyModuleDef *module, int major, int minor)
+/*[clinic end generated code: output=7cb6264352437660 input=4b9fd8fc73cbe48f]*/
 {
-    int major, minor;
-    if (!PyArg_ParseTuple(args, "ii:makedev", &major, &minor))
-        return NULL;
-    return _PyLong_FromDev(makedev(major, minor));
+    return makedev(major, minor);
 }
-#endif /* device macros */
+#endif /* HAVE_DEVICE_MACROS */
 
 
-#ifdef HAVE_FTRUNCATE
-PyDoc_STRVAR(posix_ftruncate__doc__,
-"ftruncate(fd, length)\n\n\
-Truncate a file to a specified length.");
+#if defined HAVE_FTRUNCATE || defined MS_WINDOWS
+/*[clinic input]
+os.ftruncate
+
+    fd: int
+    length: Py_off_t
+    /
+
+Truncate a file, specified by file descriptor, to a specific length.
+[clinic start generated code]*/
 
 static PyObject *
-posix_ftruncate(PyObject *self, PyObject *args)
+os_ftruncate_impl(PyModuleDef *module, int fd, Py_off_t length)
+/*[clinic end generated code: output=3666f401d76bf834 input=63b43641e52818f2]*/
 {
-    int fd;
-    off_t length;
-    int res;
-
-    if (!PyArg_ParseTuple(args, "iO&:ftruncate", &fd, _parse_off_t, &length))
-        return NULL;
+    int result;
+    int async_err = 0;
 
-    Py_BEGIN_ALLOW_THREADS
-    res = ftruncate(fd, length);
-    Py_END_ALLOW_THREADS
-    if (res < 0)
+    if (!_PyVerify_fd(fd))
         return posix_error();
-    Py_INCREF(Py_None);
-    return Py_None;
-}
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        _Py_BEGIN_SUPPRESS_IPH
+#ifdef MS_WINDOWS
+        result = _chsize_s(fd, length);
+#else
+        result = ftruncate(fd, length);
 #endif
+        _Py_END_SUPPRESS_IPH
+        Py_END_ALLOW_THREADS
+    } while (result != 0 && errno == EINTR &&
+             !(async_err = PyErr_CheckSignals()));
+    if (result != 0)
+        return (!async_err) ? posix_error() : NULL;
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_FTRUNCATE || MS_WINDOWS */
+
+
+#if defined HAVE_TRUNCATE || defined MS_WINDOWS
+/*[clinic input]
+os.truncate
+    path: path_t(allow_fd='PATH_HAVE_FTRUNCATE')
+    length: Py_off_t
 
-#ifdef HAVE_TRUNCATE
-PyDoc_STRVAR(posix_truncate__doc__,
-"truncate(path, length)\n\n\
-Truncate the file given by path to length bytes.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.");
+Truncate a file, specified by path, to a specific length.
+
+On some platforms, path may also be specified as an open file descriptor.
+  If this functionality is unavailable, using it raises an exception.
+[clinic start generated code]*/
 
 static PyObject *
-posix_truncate(PyObject *self, PyObject *args, PyObject *kwargs)
+os_truncate_impl(PyModuleDef *module, path_t *path, Py_off_t length)
+/*[clinic end generated code: output=f60a9e08370e9e2e input=77229cf0b50a9b77]*/
 {
-    path_t path;
-    off_t length;
-    int res;
-    PyObject *result = NULL;
-    static char *keywords[] = {"path", "length", NULL};
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "truncate";
-#ifdef HAVE_FTRUNCATE
-    path.allow_fd = 1;
+    int result;
+#ifdef MS_WINDOWS
+    int fd;
 #endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&:truncate", keywords,
-                                     path_converter, &path,
-                                     _parse_off_t, &length))
-        return NULL;
+
+    if (path->fd != -1)
+        return os_ftruncate_impl(module, path->fd, length);
 
     Py_BEGIN_ALLOW_THREADS
-#ifdef HAVE_FTRUNCATE
-    if (path.fd != -1)
-        res = ftruncate(path.fd, length);
+    _Py_BEGIN_SUPPRESS_IPH
+#ifdef MS_WINDOWS
+    if (path->wide)
+        fd = _wopen(path->wide, _O_WRONLY | _O_BINARY | _O_NOINHERIT);
     else
-#endif
-        res = truncate(path.narrow, length);
-    Py_END_ALLOW_THREADS
-    if (res < 0)
-        result = path_error(&path);
+        fd = _open(path->narrow, _O_WRONLY | _O_BINARY | _O_NOINHERIT);
+    if (fd < 0) 
+        result = -1;
     else {
-        Py_INCREF(Py_None);
-        result = Py_None;
+        result = _chsize_s(fd, length);
+        close(fd);
+        if (result < 0)
+            errno = result;
     }
-    path_cleanup(&path);
-    return result;
-}
+#else
+    result = truncate(path->narrow, length);
 #endif
+    _Py_END_SUPPRESS_IPH
+    Py_END_ALLOW_THREADS
+    if (result < 0)
+        return path_error(path);
+
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_TRUNCATE || MS_WINDOWS */
+
 
 /* Issue #22396: On 32-bit AIX platform, the prototypes of os.posix_fadvise()
    and os.posix_fallocate() in system headers are wrong if _LARGE_FILES is
@@ -8819,186 +8902,211 @@ posix_truncate(PyObject *self, PyObject *args, PyObject *kwargs)
 #  define POSIX_FADVISE_AIX_BUG
 #endif
 
+
 #if defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)
-PyDoc_STRVAR(posix_posix_fallocate__doc__,
-"posix_fallocate(fd, offset, len)\n\n\
-Ensures that enough disk space is allocated for the file specified by fd\n\
-starting from offset and continuing for len bytes.");
+/*[clinic input]
+os.posix_fallocate
+
+    fd: int
+    offset: Py_off_t
+    length: Py_off_t
+    /
+
+Ensure a file has allocated at least a particular number of bytes on disk.
+
+Ensure that the file specified by fd encompasses a range of bytes
+starting at offset bytes from the beginning and continuing for length bytes.
+[clinic start generated code]*/
 
 static PyObject *
-posix_posix_fallocate(PyObject *self, PyObject *args)
+os_posix_fallocate_impl(PyModuleDef *module, int fd, Py_off_t offset,
+                        Py_off_t length)
+/*[clinic end generated code: output=7f6f87a8c751e1b4 input=d7a2ef0ab2ca52fb]*/
 {
-    off_t len, offset;
-    int res, fd;
-
-    if (!PyArg_ParseTuple(args, "iO&O&:posix_fallocate",
-            &fd, _parse_off_t, &offset, _parse_off_t, &len))
-        return NULL;
+    int result;
+    int async_err = 0;
 
-    Py_BEGIN_ALLOW_THREADS
-    res = posix_fallocate(fd, offset, len);
-    Py_END_ALLOW_THREADS
-    if (res != 0) {
-        errno = res;
-        return posix_error();
-    }
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        result = posix_fallocate(fd, offset, length);
+        Py_END_ALLOW_THREADS
+    } while (result != 0 && errno == EINTR &&
+             !(async_err = PyErr_CheckSignals()));
+    if (result != 0)
+        return (!async_err) ? posix_error() : NULL;
     Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_POSIX_FALLOCATE) && !POSIX_FADVISE_AIX_BUG */
+
 
 #if defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG)
-PyDoc_STRVAR(posix_posix_fadvise__doc__,
-"posix_fadvise(fd, offset, len, advice)\n\n\
-Announces an intention to access data in a specific pattern thus allowing\n\
-the kernel to make optimizations.\n\
-The advice applies to the region of the file specified by fd starting at\n\
-offset and continuing for len bytes.\n\
-advice is one of POSIX_FADV_NORMAL, POSIX_FADV_SEQUENTIAL,\n\
-POSIX_FADV_RANDOM, POSIX_FADV_NOREUSE, POSIX_FADV_WILLNEED or\n\
-POSIX_FADV_DONTNEED.");
+/*[clinic input]
+os.posix_fadvise
+
+    fd: int
+    offset: Py_off_t
+    length: Py_off_t
+    advice: int
+    /
+
+Announce an intention to access data in a specific pattern.
+
+Announce an intention to access data in a specific pattern, thus allowing
+the kernel to make optimizations.
+The advice applies to the region of the file specified by fd starting at
+offset and continuing for length bytes.
+advice is one of POSIX_FADV_NORMAL, POSIX_FADV_SEQUENTIAL,
+POSIX_FADV_RANDOM, POSIX_FADV_NOREUSE, POSIX_FADV_WILLNEED, or
+POSIX_FADV_DONTNEED.
+[clinic start generated code]*/
 
 static PyObject *
-posix_posix_fadvise(PyObject *self, PyObject *args)
+os_posix_fadvise_impl(PyModuleDef *module, int fd, Py_off_t offset,
+                      Py_off_t length, int advice)
+/*[clinic end generated code: output=457ce6a67189e10d input=0fbe554edc2f04b5]*/
 {
-    off_t len, offset;
-    int res, fd, advice;
-
-    if (!PyArg_ParseTuple(args, "iO&O&i:posix_fadvise",
-            &fd, _parse_off_t, &offset, _parse_off_t, &len, &advice))
-        return NULL;
+    int result;
+    int async_err = 0;
 
-    Py_BEGIN_ALLOW_THREADS
-    res = posix_fadvise(fd, offset, len, advice);
-    Py_END_ALLOW_THREADS
-    if (res != 0) {
-        errno = res;
-        return posix_error();
-    }
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        result = posix_fadvise(fd, offset, length, advice);
+        Py_END_ALLOW_THREADS
+    } while (result != 0 && errno == EINTR &&
+             !(async_err = PyErr_CheckSignals()));
+    if (result != 0)
+        return (!async_err) ? posix_error() : NULL;
     Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_POSIX_FADVISE && !POSIX_FADVISE_AIX_BUG */
 
 #ifdef HAVE_PUTENV
-PyDoc_STRVAR(posix_putenv__doc__,
-"putenv(key, value)\n\n\
-Change or add an environment variable.");
 
 /* Save putenv() parameters as values here, so we can collect them when they
  * get re-set with another call for the same key. */
 static PyObject *posix_putenv_garbage;
 
-static PyObject *
-posix_putenv(PyObject *self, PyObject *args)
+static void
+posix_putenv_garbage_setitem(PyObject *name, PyObject *value)
 {
-    PyObject *newstr = NULL;
+    /* Install the first arg and newstr in posix_putenv_garbage;
+     * this will cause previous value to be collected.  This has to
+     * happen after the real putenv() call because the old value
+     * was still accessible until then. */
+    if (PyDict_SetItem(posix_putenv_garbage, name, value))
+        /* really not much we can do; just leak */
+        PyErr_Clear();
+    else
+        Py_DECREF(value);
+}
+
+
 #ifdef MS_WINDOWS
-    PyObject *os1, *os2;
-    wchar_t *newenv;
+/*[clinic input]
+os.putenv
 
-    if (!PyArg_ParseTuple(args,
-                          "UU:putenv",
-                          &os1, &os2))
-        return NULL;
+    name: unicode
+    value: unicode
+    /
+
+Change or add an environment variable.
+[clinic start generated code]*/
+
+static PyObject *
+os_putenv_impl(PyModuleDef *module, PyObject *name, PyObject *value)
+/*[clinic end generated code: output=a2438cf95e5a0c1c input=ba586581c2e6105f]*/
+{
+    wchar_t *env;
 
-    newstr = PyUnicode_FromFormat("%U=%U", os1, os2);
-    if (newstr == NULL) {
+    PyObject *unicode = PyUnicode_FromFormat("%U=%U", name, value);
+    if (unicode == NULL) {
         PyErr_NoMemory();
-        goto error;
+        return NULL;
     }
-    if (_MAX_ENV < PyUnicode_GET_LENGTH(newstr)) {
+    if (_MAX_ENV < PyUnicode_GET_LENGTH(unicode)) {
         PyErr_Format(PyExc_ValueError,
                      "the environment variable is longer than %u characters",
                      _MAX_ENV);
         goto error;
     }
 
-    newenv = PyUnicode_AsUnicode(newstr);
-    if (newenv == NULL)
+    env = PyUnicode_AsUnicode(unicode);
+    if (env == NULL)
         goto error;
-    if (_wputenv(newenv)) {
+    if (_wputenv(env)) {
         posix_error();
         goto error;
     }
-#else
-    PyObject *os1, *os2;
-    char *s1, *s2;
-    char *newenv;
-
-    if (!PyArg_ParseTuple(args,
-                          "O&O&:putenv",
-                          PyUnicode_FSConverter, &os1,
-                          PyUnicode_FSConverter, &os2))
-        return NULL;
-    s1 = PyBytes_AsString(os1);
-    s2 = PyBytes_AsString(os2);
 
-    newstr = PyBytes_FromFormat("%s=%s", s1, s2);
-    if (newstr == NULL) {
-        PyErr_NoMemory();
-        goto error;
-    }
+    posix_putenv_garbage_setitem(name, unicode);
+    Py_RETURN_NONE;
 
-    newenv = PyBytes_AS_STRING(newstr);
-    if (putenv(newenv)) {
-        posix_error();
-        goto error;
-    }
-#endif
+error:
+    Py_DECREF(unicode);
+    return NULL;
+}
+#else /* MS_WINDOWS */
+/*[clinic input]
+os.putenv
 
-    /* Install the first arg and newstr in posix_putenv_garbage;
-     * this will cause previous value to be collected.  This has to
-     * happen after the real putenv() call because the old value
-     * was still accessible until then. */
-    if (PyDict_SetItem(posix_putenv_garbage, os1, newstr)) {
-        /* really not much we can do; just leak */
-        PyErr_Clear();
+    name: FSConverter
+    value: FSConverter
+    /
+
+Change or add an environment variable.
+[clinic start generated code]*/
+
+static PyObject *
+os_putenv_impl(PyModuleDef *module, PyObject *name, PyObject *value)
+/*[clinic end generated code: output=a2438cf95e5a0c1c input=a97bc6152f688d31]*/
+{
+    PyObject *bytes = NULL;
+    char *env;
+    char *name_string = PyBytes_AsString(name);
+    char *value_string = PyBytes_AsString(value);
+
+    bytes = PyBytes_FromFormat("%s=%s", name_string, value_string);
+    if (bytes == NULL) {
+        PyErr_NoMemory();
+        return NULL;
     }
-    else {
-        Py_DECREF(newstr);
+
+    env = PyBytes_AS_STRING(bytes);
+    if (putenv(env)) {
+        Py_DECREF(bytes);
+        return posix_error();
     }
 
-#ifndef MS_WINDOWS
-    Py_DECREF(os1);
-    Py_DECREF(os2);
-#endif
+    posix_putenv_garbage_setitem(name, bytes);
     Py_RETURN_NONE;
-
-error:
-#ifndef MS_WINDOWS
-    Py_DECREF(os1);
-    Py_DECREF(os2);
-#endif
-    Py_XDECREF(newstr);
-    return NULL;
 }
-#endif /* putenv */
+#endif /* MS_WINDOWS */
+#endif /* HAVE_PUTENV */
+
 
 #ifdef HAVE_UNSETENV
-PyDoc_STRVAR(posix_unsetenv__doc__,
-"unsetenv(key)\n\n\
-Delete an environment variable.");
+/*[clinic input]
+os.unsetenv
+    name: FSConverter
+    /
+
+Delete an environment variable.
+[clinic start generated code]*/
 
 static PyObject *
-posix_unsetenv(PyObject *self, PyObject *args)
+os_unsetenv_impl(PyModuleDef *module, PyObject *name)
+/*[clinic end generated code: output=25994b57016a2dc9 input=2bb5288a599c7107]*/
 {
-    PyObject *name;
 #ifndef HAVE_BROKEN_UNSETENV
     int err;
 #endif
 
-    if (!PyArg_ParseTuple(args, "O&:unsetenv",
-
-                          PyUnicode_FSConverter, &name))
-        return NULL;
-
 #ifdef HAVE_BROKEN_UNSETENV
     unsetenv(PyBytes_AS_STRING(name));
 #else
     err = unsetenv(PyBytes_AS_STRING(name));
-    if (err) {
-        Py_DECREF(name);
+    if (err)
         return posix_error();
-    }
 #endif
 
     /* Remove the key from posix_putenv_garbage;
@@ -9010,23 +9118,25 @@ posix_unsetenv(PyObject *self, PyObject *args)
         /* really not much we can do; just leak */
         PyErr_Clear();
     }
-    Py_DECREF(name);
     Py_RETURN_NONE;
 }
-#endif /* unsetenv */
+#endif /* HAVE_UNSETENV */
 
-PyDoc_STRVAR(posix_strerror__doc__,
-"strerror(code) -> string\n\n\
-Translate an error code to a message string.");
+
+/*[clinic input]
+os.strerror
+
+    code: int
+    /
+
+Translate an error code to a message string.
+[clinic start generated code]*/
 
 static PyObject *
-posix_strerror(PyObject *self, PyObject *args)
+os_strerror_impl(PyModuleDef *module, int code)
+/*[clinic end generated code: output=0280c6af51e5c9fe input=75a8673d97915a91]*/
 {
-    int code;
-    char *message;
-    if (!PyArg_ParseTuple(args, "i:strerror", &code))
-        return NULL;
-    message = strerror(code);
+    char *message = strerror(code);
     if (message == NULL) {
         PyErr_SetString(PyExc_ValueError,
                         "strerror() argument out of range");
@@ -9037,155 +9147,168 @@ posix_strerror(PyObject *self, PyObject *args)
 
 
 #ifdef HAVE_SYS_WAIT_H
-
 #ifdef WCOREDUMP
-PyDoc_STRVAR(posix_WCOREDUMP__doc__,
-"WCOREDUMP(status) -> bool\n\n\
-Return True if the process returning 'status' was dumped to a core file.");
+/*[clinic input]
+os.WCOREDUMP -> bool
 
-static PyObject *
-posix_WCOREDUMP(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
+    /
 
-    if (!PyArg_ParseTuple(args, "i:WCOREDUMP", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return True if the process returning status was dumped to a core file.
+[clinic start generated code]*/
 
-    return PyBool_FromLong(WCOREDUMP(status));
+static int
+os_WCOREDUMP_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=134f70bbe63fbf41 input=8b05e7ab38528d04]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WCOREDUMP(wait_status);
 }
 #endif /* WCOREDUMP */
 
+
 #ifdef WIFCONTINUED
-PyDoc_STRVAR(posix_WIFCONTINUED__doc__,
-"WIFCONTINUED(status) -> bool\n\n\
-Return True if the process returning 'status' was continued from a\n\
-job control stop.");
+/*[clinic input]
+os.WIFCONTINUED -> bool
 
-static PyObject *
-posix_WIFCONTINUED(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WCONTINUED", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return True if a particular process was continued from a job control stop.
+
+Return True if the process returning status was continued from a
+job control stop.
+[clinic start generated code]*/
 
-    return PyBool_FromLong(WIFCONTINUED(status));
+static int
+os_WIFCONTINUED_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=9cdd26543ebb6dcd input=e777e7d38eb25bd9]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WIFCONTINUED(wait_status);
 }
 #endif /* WIFCONTINUED */
 
+
 #ifdef WIFSTOPPED
-PyDoc_STRVAR(posix_WIFSTOPPED__doc__,
-"WIFSTOPPED(status) -> bool\n\n\
-Return True if the process returning 'status' was stopped.");
+/*[clinic input]
+os.WIFSTOPPED -> bool
 
-static PyObject *
-posix_WIFSTOPPED(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WIFSTOPPED", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return True if the process returning status was stopped.
+[clinic start generated code]*/
 
-    return PyBool_FromLong(WIFSTOPPED(status));
+static int
+os_WIFSTOPPED_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=73bf35e44994a724 input=043cb7f1289ef904]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WIFSTOPPED(wait_status);
 }
 #endif /* WIFSTOPPED */
 
+
 #ifdef WIFSIGNALED
-PyDoc_STRVAR(posix_WIFSIGNALED__doc__,
-"WIFSIGNALED(status) -> bool\n\n\
-Return True if the process returning 'status' was terminated by a signal.");
+/*[clinic input]
+os.WIFSIGNALED -> bool
 
-static PyObject *
-posix_WIFSIGNALED(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WIFSIGNALED", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return True if the process returning status was terminated by a signal.
+[clinic start generated code]*/
 
-    return PyBool_FromLong(WIFSIGNALED(status));
+static int
+os_WIFSIGNALED_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=2697975771872420 input=d55ba7cc9ce5dc43]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WIFSIGNALED(wait_status);
 }
 #endif /* WIFSIGNALED */
 
+
 #ifdef WIFEXITED
-PyDoc_STRVAR(posix_WIFEXITED__doc__,
-"WIFEXITED(status) -> bool\n\n\
-Return true if the process returning 'status' exited using the exit()\n\
-system call.");
+/*[clinic input]
+os.WIFEXITED -> bool
 
-static PyObject *
-posix_WIFEXITED(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WIFEXITED", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return True if the process returning status exited via the exit() system call.
+[clinic start generated code]*/
 
-    return PyBool_FromLong(WIFEXITED(status));
+static int
+os_WIFEXITED_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=ca8f8c61f0b8532e input=d63775a6791586c0]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WIFEXITED(wait_status);
 }
 #endif /* WIFEXITED */
 
+
 #ifdef WEXITSTATUS
-PyDoc_STRVAR(posix_WEXITSTATUS__doc__,
-"WEXITSTATUS(status) -> integer\n\n\
-Return the process return code from 'status'.");
+/*[clinic input]
+os.WEXITSTATUS -> int
 
-static PyObject *
-posix_WEXITSTATUS(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WEXITSTATUS", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return the process return code from status.
+[clinic start generated code]*/
 
-    return Py_BuildValue("i", WEXITSTATUS(status));
+static int
+os_WEXITSTATUS_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=ea54da23d9e0f6af input=e1fb4944e377585b]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WEXITSTATUS(wait_status);
 }
 #endif /* WEXITSTATUS */
 
+
 #ifdef WTERMSIG
-PyDoc_STRVAR(posix_WTERMSIG__doc__,
-"WTERMSIG(status) -> integer\n\n\
-Return the signal that terminated the process that provided the 'status'\n\
-value.");
+/*[clinic input]
+os.WTERMSIG -> int
 
-static PyObject *
-posix_WTERMSIG(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WTERMSIG", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return the signal that terminated the process that provided the status value.
+[clinic start generated code]*/
 
-    return Py_BuildValue("i", WTERMSIG(status));
+static int
+os_WTERMSIG_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=4d25367026cb852c input=727fd7f84ec3f243]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WTERMSIG(wait_status);
 }
 #endif /* WTERMSIG */
 
+
 #ifdef WSTOPSIG
-PyDoc_STRVAR(posix_WSTOPSIG__doc__,
-"WSTOPSIG(status) -> integer\n\n\
-Return the signal that stopped the process that provided\n\
-the 'status' value.");
+/*[clinic input]
+os.WSTOPSIG -> int
 
-static PyObject *
-posix_WSTOPSIG(PyObject *self, PyObject *args)
-{
-    WAIT_TYPE status;
-    WAIT_STATUS_INT(status) = 0;
+    status: int
 
-    if (!PyArg_ParseTuple(args, "i:WSTOPSIG", &WAIT_STATUS_INT(status)))
-        return NULL;
+Return the signal that stopped the process that provided the status value.
+[clinic start generated code]*/
 
-    return Py_BuildValue("i", WSTOPSIG(status));
+static int
+os_WSTOPSIG_impl(PyModuleDef *module, int status)
+/*[clinic end generated code: output=54eb9c13b001adb4 input=46ebf1d1b293c5c1]*/
+{
+    WAIT_TYPE wait_status;
+    WAIT_STATUS_INT(wait_status) = status;
+    return WSTOPSIG(wait_status);
 }
 #endif /* WSTOPSIG */
-
 #endif /* HAVE_SYS_WAIT_H */
 
 
@@ -9240,104 +9363,101 @@ _pystatvfs_fromstructstatvfs(struct statvfs st) {
     return v;
 }
 
-PyDoc_STRVAR(posix_fstatvfs__doc__,
-"fstatvfs(fd) -> statvfs result\n\n\
-Perform an fstatvfs system call on the given fd.\n\
-Equivalent to statvfs(fd).");
+
+/*[clinic input]
+os.fstatvfs
+    fd: int
+    /
+
+Perform an fstatvfs system call on the given fd.
+
+Equivalent to statvfs(fd).
+[clinic start generated code]*/
 
 static PyObject *
-posix_fstatvfs(PyObject *self, PyObject *args)
+os_fstatvfs_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=584a94a754497ac0 input=d8122243ac50975e]*/
 {
-    int fd, res;
+    int result;
+    int async_err = 0;
     struct statvfs st;
 
-    if (!PyArg_ParseTuple(args, "i:fstatvfs", &fd))
-        return NULL;
-    Py_BEGIN_ALLOW_THREADS
-    res = fstatvfs(fd, &st);
-    Py_END_ALLOW_THREADS
-    if (res != 0)
-        return posix_error();
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        result = fstatvfs(fd, &st);
+        Py_END_ALLOW_THREADS
+    } while (result != 0 && errno == EINTR &&
+             !(async_err = PyErr_CheckSignals()));
+    if (result != 0)
+        return (!async_err) ? posix_error() : NULL;
 
     return _pystatvfs_fromstructstatvfs(st);
 }
-#endif /* HAVE_FSTATVFS && HAVE_SYS_STATVFS_H */
+#endif /* defined(HAVE_FSTATVFS) && defined(HAVE_SYS_STATVFS_H) */
 
 
 #if defined(HAVE_STATVFS) && defined(HAVE_SYS_STATVFS_H)
 #include <sys/statvfs.h>
+/*[clinic input]
+os.statvfs
 
-PyDoc_STRVAR(posix_statvfs__doc__,
-"statvfs(path)\n\n\
-Perform a statvfs system call on the given path.\n\
-\n\
-path may always be specified as a string.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.");
+    path: path_t(allow_fd='PATH_HAVE_FSTATVFS')
+
+Perform a statvfs system call on the given path.
+
+path may always be specified as a string.
+On some platforms, path may also be specified as an open file descriptor.
+  If this functionality is unavailable, using it raises an exception.
+[clinic start generated code]*/
 
 static PyObject *
-posix_statvfs(PyObject *self, PyObject *args, PyObject *kwargs)
+os_statvfs_impl(PyModuleDef *module, path_t *path)
+/*[clinic end generated code: output=5ced07a2cf931f41 input=3f5c35791c669bd9]*/
 {
-    static char *keywords[] = {"path", NULL};
-    path_t path;
     int result;
-    PyObject *return_value = NULL;
     struct statvfs st;
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "statvfs";
-#ifdef HAVE_FSTATVFS
-    path.allow_fd = 1;
-#endif
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&:statvfs", keywords,
-        path_converter, &path
-        ))
-        return NULL;
-
     Py_BEGIN_ALLOW_THREADS
 #ifdef HAVE_FSTATVFS
-    if (path.fd != -1) {
+    if (path->fd != -1) {
 #ifdef __APPLE__
         /* handle weak-linking on Mac OS X 10.3 */
         if (fstatvfs == NULL) {
-            fd_specified("statvfs", path.fd);
-            goto exit;
+            fd_specified("statvfs", path->fd);
+            return NULL;
         }
 #endif
-        result = fstatvfs(path.fd, &st);
+        result = fstatvfs(path->fd, &st);
     }
     else
 #endif
-        result = statvfs(path.narrow, &st);
+        result = statvfs(path->narrow, &st);
     Py_END_ALLOW_THREADS
 
     if (result) {
-        return_value = path_error(&path);
-        goto exit;
+        return path_error(path);
     }
 
-    return_value = _pystatvfs_fromstructstatvfs(st);
-
-exit:
-    path_cleanup(&path);
-    return return_value;
+    return _pystatvfs_fromstructstatvfs(st);
 }
-#endif /* HAVE_STATVFS */
+#endif /* defined(HAVE_STATVFS) && defined(HAVE_SYS_STATVFS_H) */
+
 
 #ifdef MS_WINDOWS
-PyDoc_STRVAR(win32__getdiskusage__doc__,
-"_getdiskusage(path) -> (total, free)\n\n\
-Return disk usage statistics about the given path as (total, free) tuple.");
+/*[clinic input]
+os._getdiskusage
+
+    path: Py_UNICODE
+
+Return disk usage statistics about the given path as a (total, free) tuple.
+[clinic start generated code]*/
 
 static PyObject *
-win32__getdiskusage(PyObject *self, PyObject *args)
+os__getdiskusage_impl(PyModuleDef *module, Py_UNICODE *path)
+/*[clinic end generated code: output=60a9cf33449db1dd input=6458133aed893c78]*/
 {
     BOOL retval;
     ULARGE_INTEGER _, total, free;
-    const wchar_t *path;
-
-    if (! PyArg_ParseTuple(args, "u", &path))
-        return NULL;
 
     Py_BEGIN_ALLOW_THREADS
     retval = GetDiskFreeSpaceExW(path, &_, &total, &free);
@@ -9347,7 +9467,7 @@ win32__getdiskusage(PyObject *self, PyObject *args)
 
     return Py_BuildValue("(LL)", total.QuadPart, free.QuadPart);
 }
-#endif
+#endif /* MS_WINDOWS */
 
 
 /* This is used for fpathconf(), pathconf(), confstr() and sysconf().
@@ -9504,81 +9624,73 @@ conv_path_confname(PyObject *arg, int *valuep)
 }
 #endif
 
+
 #ifdef HAVE_FPATHCONF
-PyDoc_STRVAR(posix_fpathconf__doc__,
-"fpathconf(fd, name) -> integer\n\n\
-Return the configuration limit name for the file descriptor fd.\n\
-If there is no limit, return -1.");
+/*[clinic input]
+os.fpathconf -> long
 
-static PyObject *
-posix_fpathconf(PyObject *self, PyObject *args)
+    fd: int
+    name: path_confname
+    /
+
+Return the configuration limit name for the file descriptor fd.
+
+If there is no limit, return -1.
+[clinic start generated code]*/
+
+static long
+os_fpathconf_impl(PyModuleDef *module, int fd, int name)
+/*[clinic end generated code: output=082b2922d4441de7 input=5942a024d3777810]*/
 {
-    PyObject *result = NULL;
-    int name, fd;
+    long limit;
 
-    if (PyArg_ParseTuple(args, "iO&:fpathconf", &fd,
-                         conv_path_confname, &name)) {
-        long limit;
+    errno = 0;
+    limit = fpathconf(fd, name);
+    if (limit == -1 && errno != 0)
+        posix_error();
 
-        errno = 0;
-        limit = fpathconf(fd, name);
-        if (limit == -1 && errno != 0)
-            posix_error();
-        else
-            result = PyLong_FromLong(limit);
-    }
-    return result;
+    return limit;
 }
-#endif
+#endif /* HAVE_FPATHCONF */
 
 
 #ifdef HAVE_PATHCONF
-PyDoc_STRVAR(posix_pathconf__doc__,
-"pathconf(path, name) -> integer\n\n\
-Return the configuration limit name for the file or directory path.\n\
-If there is no limit, return -1.\n\
-On some platforms, path may also be specified as an open file descriptor.\n\
-  If this functionality is unavailable, using it raises an exception.");
+/*[clinic input]
+os.pathconf -> long
+    path: path_t(allow_fd='PATH_HAVE_FPATHCONF')
+    name: path_confname
 
-static PyObject *
-posix_pathconf(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    path_t path;
-    PyObject *result = NULL;
-    int name;
-    static char *keywords[] = {"path", "name", NULL};
+Return the configuration limit name for the file or directory path.
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "pathconf";
-#ifdef HAVE_FPATHCONF
-    path.allow_fd = 1;
-#endif
-    if (PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&:pathconf", keywords,
-                                    path_converter, &path,
-                                    conv_path_confname, &name)) {
+If there is no limit, return -1.
+On some platforms, path may also be specified as an open file descriptor.
+  If this functionality is unavailable, using it raises an exception.
+[clinic start generated code]*/
+
+static long
+os_pathconf_impl(PyModuleDef *module, path_t *path, int name)
+/*[clinic end generated code: output=3713029e9501f5ab input=bc3e2a985af27e5e]*/
+{
     long limit;
 
     errno = 0;
 #ifdef HAVE_FPATHCONF
-    if (path.fd != -1)
-        limit = fpathconf(path.fd, name);
+    if (path->fd != -1)
+        limit = fpathconf(path->fd, name);
     else
 #endif
-        limit = pathconf(path.narrow, name);
+        limit = pathconf(path->narrow, name);
     if (limit == -1 && errno != 0) {
         if (errno == EINVAL)
             /* could be a path or name problem */
             posix_error();
         else
-            result = path_error(&path);
-    }
-    else
-        result = PyLong_FromLong(limit);
+            path_error(path);
     }
-    path_cleanup(&path);
-    return result;
+
+    return limit;
 }
-#endif
+#endif /* HAVE_PATHCONF */
 
 #ifdef HAVE_CONFSTR
 static struct constdef posix_constants_confstr[] = {
@@ -9742,21 +9854,24 @@ conv_confstr_confname(PyObject *arg, int *valuep)
                            / sizeof(struct constdef));
 }
 
-PyDoc_STRVAR(posix_confstr__doc__,
-"confstr(name) -> string\n\n\
-Return a string-valued system configuration variable.");
+
+/*[clinic input]
+os.confstr
+
+    name: confstr_confname
+    /
+
+Return a string-valued system configuration variable.
+[clinic start generated code]*/
 
 static PyObject *
-posix_confstr(PyObject *self, PyObject *args)
+os_confstr_impl(PyModuleDef *module, int name)
+/*[clinic end generated code: output=6ff79c9eed8c2daf input=18fb4d0567242e65]*/
 {
     PyObject *result = NULL;
-    int name;
     char buffer[255];
     size_t len;
 
-    if (!PyArg_ParseTuple(args, "O&:confstr", conv_confstr_confname, &name))
-        return NULL;
-
     errno = 0;
     len = confstr(name, buffer, sizeof(buffer));
     if (len == 0) {
@@ -9770,18 +9885,20 @@ posix_confstr(PyObject *self, PyObject *args)
     }
 
     if (len >= sizeof(buffer)) {
+        size_t len2;
         char *buf = PyMem_Malloc(len);
         if (buf == NULL)
             return PyErr_NoMemory();
-        confstr(name, buf, len);
-        result = PyUnicode_DecodeFSDefaultAndSize(buf, len-1);
+        len2 = confstr(name, buf, len);
+        assert(len == len2);
+        result = PyUnicode_DecodeFSDefaultAndSize(buf, len2-1);
         PyMem_Free(buf);
     }
     else
         result = PyUnicode_DecodeFSDefaultAndSize(buffer, len-1);
     return result;
 }
-#endif
+#endif /* HAVE_CONFSTR */
 
 
 #ifdef HAVE_SYSCONF
@@ -10288,29 +10405,28 @@ conv_sysconf_confname(PyObject *arg, int *valuep)
                            / sizeof(struct constdef));
 }
 
-PyDoc_STRVAR(posix_sysconf__doc__,
-"sysconf(name) -> integer\n\n\
-Return an integer-valued system configuration variable.");
 
-static PyObject *
-posix_sysconf(PyObject *self, PyObject *args)
-{
-    PyObject *result = NULL;
-    int name;
+/*[clinic input]
+os.sysconf -> long
+    name: sysconf_confname
+    /
 
-    if (PyArg_ParseTuple(args, "O&:sysconf", conv_sysconf_confname, &name)) {
-        long value;
+Return an integer-valued system configuration variable.
+[clinic start generated code]*/
 
-        errno = 0;
-        value = sysconf(name);
-        if (value == -1 && errno != 0)
-            posix_error();
-        else
-            result = PyLong_FromLong(value);
-    }
-    return result;
+static long
+os_sysconf_impl(PyModuleDef *module, int name)
+/*[clinic end generated code: output=ed567306f58d69c4 input=279e3430a33f29e4]*/
+{
+    long value;
+
+    errno = 0;
+    value = sysconf(name);
+    if (value == -1 && errno != 0)
+        posix_error();
+    return value;
 }
-#endif
+#endif /* HAVE_SYSCONF */
 
 
 /* This code is used to ensure that the tables of configuration value names
@@ -10387,13 +10503,18 @@ setup_confname_tables(PyObject *module)
 }
 
 
-PyDoc_STRVAR(posix_abort__doc__,
-"abort() -> does not return!\n\n\
-Abort the interpreter immediately.  This 'dumps core' or otherwise fails\n\
-in the hardest way possible on the hosting operating system.");
+/*[clinic input]
+os.abort
+
+Abort the interpreter immediately.
+
+This function 'dumps core' or otherwise fails in the hardest way possible
+on the hosting operating system.  This function never returns.
+[clinic start generated code]*/
 
 static PyObject *
-posix_abort(PyObject *self, PyObject *noargs)
+os_abort_impl(PyModuleDef *module)
+/*[clinic end generated code: output=486bb96647c299b3 input=cf2c7d98bc504047]*/
 {
     abort();
     /*NOTREACHED*/
@@ -10402,9 +10523,11 @@ posix_abort(PyObject *self, PyObject *noargs)
 }
 
 #ifdef MS_WINDOWS
+/* AC 3.5: change to path_t? but that might change exceptions */
 PyDoc_STRVAR(win32_startfile__doc__,
-"startfile(filepath [, operation]) - Start a file with its associated\n\
-application.\n\
+"startfile(filepath [, operation])\n\
+\n\
+Start a file with its associated application.\n\
 \n\
 When \"operation\" is not specified or \"open\", this acts like\n\
 double-clicking the file in Explorer, or giving the file name as an\n\
@@ -10421,6 +10544,37 @@ The filepath is relative to the current directory.  If you want to use\n\
 an absolute path, make sure the first character is not a slash (\"/\");\n\
 the underlying Win32 ShellExecute function doesn't work if it is.");
 
+/* Grab ShellExecute dynamically from shell32 */
+static int has_ShellExecute = -1;
+static HINSTANCE (CALLBACK *Py_ShellExecuteA)(HWND, LPCSTR, LPCSTR, LPCSTR,
+                                              LPCSTR, INT);
+static HINSTANCE (CALLBACK *Py_ShellExecuteW)(HWND, LPCWSTR, LPCWSTR, LPCWSTR,
+                                              LPCWSTR, INT);
+static int
+check_ShellExecute()
+{
+    HINSTANCE hShell32;
+
+    /* only recheck */
+    if (-1 == has_ShellExecute) {
+        Py_BEGIN_ALLOW_THREADS
+        hShell32 = LoadLibraryW(L"SHELL32");
+        Py_END_ALLOW_THREADS
+        if (hShell32) {
+            *(FARPROC*)&Py_ShellExecuteA = GetProcAddress(hShell32,
+                                            "ShellExecuteA");
+            *(FARPROC*)&Py_ShellExecuteW = GetProcAddress(hShell32,
+                                            "ShellExecuteW");
+            has_ShellExecute = Py_ShellExecuteA &&
+                               Py_ShellExecuteW;
+        } else {
+            has_ShellExecute = 0;
+        }
+    }
+    return has_ShellExecute;
+}
+
+
 static PyObject *
 win32_startfile(PyObject *self, PyObject *args)
 {
@@ -10431,6 +10585,14 @@ win32_startfile(PyObject *self, PyObject *args)
     HINSTANCE rc;
 
     PyObject *unipath, *uoperation = NULL;
+
+    if(!check_ShellExecute()) {
+        /* If the OS doesn't have ShellExecute, return a
+           NotImplementedError. */
+        return PyErr_Format(PyExc_NotImplementedError,
+            "startfile not available on this platform");
+    }
+
     if (!PyArg_ParseTuple(args, "U|s:startfile",
                           &unipath, &operation)) {
         PyErr_Clear();
@@ -10459,8 +10621,8 @@ win32_startfile(PyObject *self, PyObject *args)
         woperation = NULL;
 
     Py_BEGIN_ALLOW_THREADS
-    rc = ShellExecuteW((HWND)0, woperation, wpath,
-                       NULL, NULL, SW_SHOWNORMAL);
+    rc = Py_ShellExecuteW((HWND)0, woperation, wpath,
+                          NULL, NULL, SW_SHOWNORMAL);
     Py_END_ALLOW_THREADS
 
     Py_XDECREF(uoperation);
@@ -10482,8 +10644,8 @@ normal:
     }
     filepath = PyBytes_AsString(ofilepath);
     Py_BEGIN_ALLOW_THREADS
-    rc = ShellExecute((HWND)0, operation, filepath,
-                      NULL, NULL, SW_SHOWNORMAL);
+    rc = Py_ShellExecuteA((HWND)0, operation, filepath,
+                          NULL, NULL, SW_SHOWNORMAL);
     Py_END_ALLOW_THREADS
     if (rc <= (HINSTANCE)32) {
         PyObject *errval = win32_error("startfile", filepath);
@@ -10494,17 +10656,23 @@ normal:
     Py_INCREF(Py_None);
     return Py_None;
 }
-#endif
+#endif /* MS_WINDOWS */
+
 
 #ifdef HAVE_GETLOADAVG
-PyDoc_STRVAR(posix_getloadavg__doc__,
-"getloadavg() -> (float, float, float)\n\n\
-Return the number of processes in the system run queue averaged over\n\
-the last 1, 5, and 15 minutes or raises OSError if the load average\n\
-was unobtainable");
+/*[clinic input]
+os.getloadavg
+
+Return average recent system load information.
+
+Return the number of processes in the system run queue averaged over
+the last 1, 5, and 15 minutes as a tuple of three floats.
+Raises OSError if the load average was unobtainable.
+[clinic start generated code]*/
 
 static PyObject *
-posix_getloadavg(PyObject *self, PyObject *noargs)
+os_getloadavg_impl(PyModuleDef *module)
+/*[clinic end generated code: output=2b64c5b675d74c14 input=3d6d826b76d8a34e]*/
 {
     double loadavg[3];
     if (getloadavg(loadavg, 3)!=3) {
@@ -10513,72 +10681,83 @@ posix_getloadavg(PyObject *self, PyObject *noargs)
     } else
         return Py_BuildValue("ddd", loadavg[0], loadavg[1], loadavg[2]);
 }
-#endif
+#endif /* HAVE_GETLOADAVG */
 
-PyDoc_STRVAR(device_encoding__doc__,
-"device_encoding(fd) -> str\n\n\
-Return a string describing the encoding of the device\n\
-if the output is a terminal; else return None.");
 
-static PyObject *
-device_encoding(PyObject *self, PyObject *args)
-{
-    int fd;
+/*[clinic input]
+os.device_encoding
+    fd: int
 
-    if (!PyArg_ParseTuple(args, "i:device_encoding", &fd))
-        return NULL;
+Return a string describing the encoding of a terminal's file descriptor.
+
+The file descriptor must be attached to a terminal.
+If the device is not a terminal, return None.
+[clinic start generated code]*/
 
+static PyObject *
+os_device_encoding_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=34f14e33468419c1 input=9e1d4a42b66df312]*/
+{
     return _Py_device_encoding(fd);
 }
 
+
 #ifdef HAVE_SETRESUID
-PyDoc_STRVAR(posix_setresuid__doc__,
-"setresuid(ruid, euid, suid)\n\n\
-Set the current process's real, effective, and saved user ids.");
+/*[clinic input]
+os.setresuid
 
-static PyObject*
-posix_setresuid (PyObject *self, PyObject *args)
+    ruid: uid_t
+    euid: uid_t
+    suid: uid_t
+    /
+
+Set the current process's real, effective, and saved user ids.
+[clinic start generated code]*/
+
+static PyObject *
+os_setresuid_impl(PyModuleDef *module, uid_t ruid, uid_t euid, uid_t suid)
+/*[clinic end generated code: output=92cc330812c6ed0f input=9e33cb79a82792f3]*/
 {
-    /* We assume uid_t is no larger than a long. */
-    uid_t ruid, euid, suid;
-    if (!PyArg_ParseTuple(args, "O&O&O&:setresuid",
-                          _Py_Uid_Converter, &ruid,
-                          _Py_Uid_Converter, &euid,
-                          _Py_Uid_Converter, &suid))
-        return NULL;
     if (setresuid(ruid, euid, suid) < 0)
         return posix_error();
     Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_SETRESUID */
+
 
 #ifdef HAVE_SETRESGID
-PyDoc_STRVAR(posix_setresgid__doc__,
-"setresgid(rgid, egid, sgid)\n\n\
-Set the current process's real, effective, and saved group ids.");
+/*[clinic input]
+os.setresgid
 
-static PyObject*
-posix_setresgid (PyObject *self, PyObject *args)
+    rgid: gid_t
+    egid: gid_t
+    sgid: gid_t
+    /
+
+Set the current process's real, effective, and saved group ids.
+[clinic start generated code]*/
+
+static PyObject *
+os_setresgid_impl(PyModuleDef *module, gid_t rgid, gid_t egid, gid_t sgid)
+/*[clinic end generated code: output=e91dc4842a604429 input=33e9e0785ef426b1]*/
 {
-    gid_t rgid, egid, sgid;
-    if (!PyArg_ParseTuple(args, "O&O&O&:setresgid",
-                          _Py_Gid_Converter, &rgid,
-                          _Py_Gid_Converter, &egid,
-                          _Py_Gid_Converter, &sgid))
-        return NULL;
     if (setresgid(rgid, egid, sgid) < 0)
         return posix_error();
     Py_RETURN_NONE;
 }
-#endif
+#endif /* HAVE_SETRESGID */
+
 
 #ifdef HAVE_GETRESUID
-PyDoc_STRVAR(posix_getresuid__doc__,
-"getresuid() -> (ruid, euid, suid)\n\n\
-Get tuple of the current process's real, effective, and saved user ids.");
+/*[clinic input]
+os.getresuid
 
-static PyObject*
-posix_getresuid (PyObject *self, PyObject *noargs)
+Return a tuple of the current process's real, effective, and saved user ids.
+[clinic start generated code]*/
+
+static PyObject *
+os_getresuid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=9ddef62faae8e477 input=41ccfa8e1f6517ad]*/
 {
     uid_t ruid, euid, suid;
     if (getresuid(&ruid, &euid, &suid) < 0)
@@ -10587,90 +10766,88 @@ posix_getresuid (PyObject *self, PyObject *noargs)
                                   _PyLong_FromUid(euid),
                                   _PyLong_FromUid(suid));
 }
-#endif
+#endif /* HAVE_GETRESUID */
+
 
 #ifdef HAVE_GETRESGID
-PyDoc_STRVAR(posix_getresgid__doc__,
-"getresgid() -> (rgid, egid, sgid)\n\n\
-Get tuple of the current process's real, effective, and saved group ids.");
+/*[clinic input]
+os.getresgid
 
-static PyObject*
-posix_getresgid (PyObject *self, PyObject *noargs)
+Return a tuple of the current process's real, effective, and saved group ids.
+[clinic start generated code]*/
+
+static PyObject *
+os_getresgid_impl(PyModuleDef *module)
+/*[clinic end generated code: output=e1a553cbcf16234c input=517e68db9ca32df6]*/
 {
-    uid_t rgid, egid, sgid;
+    gid_t rgid, egid, sgid;
     if (getresgid(&rgid, &egid, &sgid) < 0)
         return posix_error();
     return Py_BuildValue("(NNN)", _PyLong_FromGid(rgid),
                                   _PyLong_FromGid(egid),
                                   _PyLong_FromGid(sgid));
 }
-#endif
+#endif /* HAVE_GETRESGID */
+
 
 #ifdef USE_XATTRS
+/*[clinic input]
+os.getxattr
 
-PyDoc_STRVAR(posix_getxattr__doc__,
-"getxattr(path, attribute, *, follow_symlinks=True) -> value\n\n\
-Return the value of extended attribute attribute on path.\n\
-\n\
-path may be either a string or an open file descriptor.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, getxattr will examine the symbolic link itself instead of the file\n\
-  the link points to.");
+    path: path_t(allow_fd=True)
+    attribute: path_t
+    *
+    follow_symlinks: bool = True
+
+Return the value of extended attribute attribute on path.
+
+path may be either a string or an open file descriptor.
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, getxattr will examine the symbolic link itself instead of the file
+  the link points to.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_getxattr(PyObject *self, PyObject *args, PyObject *kwargs)
+os_getxattr_impl(PyModuleDef *module, path_t *path, path_t *attribute,
+                 int follow_symlinks)
+/*[clinic end generated code: output=cf2cede74bd5d412 input=8c8ea3bab78d89c2]*/
 {
-    path_t path;
-    path_t attribute;
-    int follow_symlinks = 1;
+    Py_ssize_t i;
     PyObject *buffer = NULL;
-    int i;
-    static char *keywords[] = {"path", "attribute", "follow_symlinks", NULL};
 
-    memset(&path, 0, sizeof(path));
-    memset(&attribute, 0, sizeof(attribute));
-    path.function_name = "getxattr";
-    attribute.function_name = "getxattr";
-    path.allow_fd = 1;
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&|$p:getxattr", keywords,
-        path_converter, &path,
-        path_converter, &attribute,
-        &follow_symlinks))
+    if (fd_and_follow_symlinks_invalid("getxattr", path->fd, follow_symlinks))
         return NULL;
 
-    if (fd_and_follow_symlinks_invalid("getxattr", path.fd, follow_symlinks))
-        goto exit;
-
     for (i = 0; ; i++) {
         void *ptr;
         ssize_t result;
         static Py_ssize_t buffer_sizes[] = {128, XATTR_SIZE_MAX, 0};
         Py_ssize_t buffer_size = buffer_sizes[i];
         if (!buffer_size) {
-            path_error(&path);
-            goto exit;
+            path_error(path);
+            return NULL;
         }
         buffer = PyBytes_FromStringAndSize(NULL, buffer_size);
         if (!buffer)
-            goto exit;
+            return NULL;
         ptr = PyBytes_AS_STRING(buffer);
 
         Py_BEGIN_ALLOW_THREADS;
-        if (path.fd >= 0)
-            result = fgetxattr(path.fd, attribute.narrow, ptr, buffer_size);
+        if (path->fd >= 0)
+            result = fgetxattr(path->fd, attribute->narrow, ptr, buffer_size);
         else if (follow_symlinks)
-            result = getxattr(path.narrow, attribute.narrow, ptr, buffer_size);
+            result = getxattr(path->narrow, attribute->narrow, ptr, buffer_size);
         else
-            result = lgetxattr(path.narrow, attribute.narrow, ptr, buffer_size);
+            result = lgetxattr(path->narrow, attribute->narrow, ptr, buffer_size);
         Py_END_ALLOW_THREADS;
 
         if (result < 0) {
             Py_DECREF(buffer);
-            buffer = NULL;
             if (errno == ERANGE)
                 continue;
-            path_error(&path);
-            goto exit;
+            path_error(path);
+            return NULL;
         }
 
         if (result != buffer_size) {
@@ -10680,168 +10857,134 @@ posix_getxattr(PyObject *self, PyObject *args, PyObject *kwargs)
         break;
     }
 
-exit:
-    path_cleanup(&path);
-    path_cleanup(&attribute);
     return buffer;
 }
 
-PyDoc_STRVAR(posix_setxattr__doc__,
-"setxattr(path, attribute, value, flags=0, *, follow_symlinks=True)\n\n\
-Set extended attribute attribute on path to value.\n\
-path may be either a string or an open file descriptor.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, setxattr will modify the symbolic link itself instead of the file\n\
-  the link points to.");
+
+/*[clinic input]
+os.setxattr
+
+    path: path_t(allow_fd=True)
+    attribute: path_t
+    value: Py_buffer
+    flags: int = 0
+    *
+    follow_symlinks: bool = True
+
+Set extended attribute attribute on path to value.
+
+path may be either a string or an open file descriptor.
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, setxattr will modify the symbolic link itself instead of the file
+  the link points to.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_setxattr(PyObject *self, PyObject *args, PyObject *kwargs)
+os_setxattr_impl(PyModuleDef *module, path_t *path, path_t *attribute,
+                 Py_buffer *value, int flags, int follow_symlinks)
+/*[clinic end generated code: output=1b395ef82880fea0 input=f0d26833992015c2]*/
 {
-    path_t path;
-    path_t attribute;
-    Py_buffer value;
-    int flags = 0;
-    int follow_symlinks = 1;
-    int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "attribute", "value",
-                               "flags", "follow_symlinks", NULL};
+    ssize_t result;
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "setxattr";
-    path.allow_fd = 1;
-    memset(&attribute, 0, sizeof(attribute));
-    memset(&value, 0, sizeof(value));
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&y*|i$p:setxattr",
-        keywords,
-        path_converter, &path,
-        path_converter, &attribute,
-        &value, &flags,
-        &follow_symlinks))
+    if (fd_and_follow_symlinks_invalid("setxattr", path->fd, follow_symlinks))
         return NULL;
 
-    if (fd_and_follow_symlinks_invalid("setxattr", path.fd, follow_symlinks))
-        goto exit;
-
     Py_BEGIN_ALLOW_THREADS;
-    if (path.fd > -1)
-        result = fsetxattr(path.fd, attribute.narrow,
-                           value.buf, value.len, flags);
+    if (path->fd > -1)
+        result = fsetxattr(path->fd, attribute->narrow,
+                           value->buf, value->len, flags);
     else if (follow_symlinks)
-        result = setxattr(path.narrow, attribute.narrow,
-                           value.buf, value.len, flags);
+        result = setxattr(path->narrow, attribute->narrow,
+                           value->buf, value->len, flags);
     else
-        result = lsetxattr(path.narrow, attribute.narrow,
-                           value.buf, value.len, flags);
+        result = lsetxattr(path->narrow, attribute->narrow,
+                           value->buf, value->len, flags);
     Py_END_ALLOW_THREADS;
 
     if (result) {
-        return_value = path_error(&path);
-        goto exit;
+        path_error(path);
+        return NULL;
     }
 
-    return_value = Py_None;
-    Py_INCREF(return_value);
+    Py_RETURN_NONE;
+}
 
-exit:
-    path_cleanup(&path);
-    path_cleanup(&attribute);
-    PyBuffer_Release(&value);
 
-    return return_value;
-}
+/*[clinic input]
+os.removexattr
 
-PyDoc_STRVAR(posix_removexattr__doc__,
-"removexattr(path, attribute, *, follow_symlinks=True)\n\n\
-Remove extended attribute attribute on path.\n\
-path may be either a string or an open file descriptor.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, removexattr will modify the symbolic link itself instead of the file\n\
-  the link points to.");
+    path: path_t(allow_fd=True)
+    attribute: path_t
+    *
+    follow_symlinks: bool = True
+
+Remove extended attribute attribute on path.
+
+path may be either a string or an open file descriptor.
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, removexattr will modify the symbolic link itself instead of the file
+  the link points to.
+
+[clinic start generated code]*/
 
 static PyObject *
-posix_removexattr(PyObject *self, PyObject *args, PyObject *kwargs)
+os_removexattr_impl(PyModuleDef *module, path_t *path, path_t *attribute,
+                    int follow_symlinks)
+/*[clinic end generated code: output=f92bb39ab992650d input=cdb54834161e3329]*/
 {
-    path_t path;
-    path_t attribute;
-    int follow_symlinks = 1;
-    int result;
-    PyObject *return_value = NULL;
-    static char *keywords[] = {"path", "attribute", "follow_symlinks", NULL};
+    ssize_t result;
 
-    memset(&path, 0, sizeof(path));
-    path.function_name = "removexattr";
-    memset(&attribute, 0, sizeof(attribute));
-    attribute.function_name = "removexattr";
-    path.allow_fd = 1;
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&O&|$p:removexattr",
-                                     keywords,
-                                     path_converter, &path,
-                                     path_converter, &attribute,
-                                     &follow_symlinks))
+    if (fd_and_follow_symlinks_invalid("removexattr", path->fd, follow_symlinks))
         return NULL;
 
-    if (fd_and_follow_symlinks_invalid("removexattr", path.fd, follow_symlinks))
-        goto exit;
-
     Py_BEGIN_ALLOW_THREADS;
-    if (path.fd > -1)
-        result = fremovexattr(path.fd, attribute.narrow);
+    if (path->fd > -1)
+        result = fremovexattr(path->fd, attribute->narrow);
     else if (follow_symlinks)
-        result = removexattr(path.narrow, attribute.narrow);
+        result = removexattr(path->narrow, attribute->narrow);
     else
-        result = lremovexattr(path.narrow, attribute.narrow);
+        result = lremovexattr(path->narrow, attribute->narrow);
     Py_END_ALLOW_THREADS;
 
     if (result) {
-        return_value = path_error(&path);
-        goto exit;
+        return path_error(path);
     }
 
-    return_value = Py_None;
-    Py_INCREF(return_value);
+    Py_RETURN_NONE;
+}
 
-exit:
-    path_cleanup(&path);
-    path_cleanup(&attribute);
 
-    return return_value;
-}
+/*[clinic input]
+os.listxattr
 
-PyDoc_STRVAR(posix_listxattr__doc__,
-"listxattr(path='.', *, follow_symlinks=True)\n\n\
-Return a list of extended attributes on path.\n\
-\n\
-path may be either None, a string, or an open file descriptor.\n\
-if path is None, listxattr will examine the current directory.\n\
-If follow_symlinks is False, and the last element of the path is a symbolic\n\
-  link, listxattr will examine the symbolic link itself instead of the file\n\
-  the link points to.");
+    path: path_t(allow_fd=True, nullable=True) = None
+    *
+    follow_symlinks: bool = True
+
+Return a list of extended attributes on path.
+
+path may be either None, a string, or an open file descriptor.
+if path is None, listxattr will examine the current directory.
+If follow_symlinks is False, and the last element of the path is a symbolic
+  link, listxattr will examine the symbolic link itself instead of the file
+  the link points to.
+[clinic start generated code]*/
 
 static PyObject *
-posix_listxattr(PyObject *self, PyObject *args, PyObject *kwargs)
+os_listxattr_impl(PyModuleDef *module, path_t *path, int follow_symlinks)
+/*[clinic end generated code: output=a87ad6ce56e42a4f input=08cca53ac0b07c13]*/
 {
-    path_t path;
-    int follow_symlinks = 1;
     Py_ssize_t i;
     PyObject *result = NULL;
+    const char *name;
     char *buffer = NULL;
-    char *name;
-    static char *keywords[] = {"path", "follow_symlinks", NULL};
-
-    memset(&path, 0, sizeof(path));
-    path.function_name = "listxattr";
-    path.allow_fd = 1;
-    path.fd = -1;
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O&$p:listxattr", keywords,
-        path_converter, &path,
-        &follow_symlinks))
-        return NULL;
 
-    if (fd_and_follow_symlinks_invalid("listxattr", path.fd, follow_symlinks))
+    if (fd_and_follow_symlinks_invalid("listxattr", path->fd, follow_symlinks))
         goto exit;
 
-    name = path.narrow ? path.narrow : ".";
+    name = path->narrow ? path->narrow : ".";
+
     for (i = 0; ; i++) {
         char *start, *trace, *end;
         ssize_t length;
@@ -10849,7 +10992,7 @@ posix_listxattr(PyObject *self, PyObject *args, PyObject *kwargs)
         Py_ssize_t buffer_size = buffer_sizes[i];
         if (!buffer_size) {
             /* ERANGE */
-            path_error(&path);
+            path_error(path);
             break;
         }
         buffer = PyMem_MALLOC(buffer_size);
@@ -10859,8 +11002,8 @@ posix_listxattr(PyObject *self, PyObject *args, PyObject *kwargs)
         }
 
         Py_BEGIN_ALLOW_THREADS;
-        if (path.fd > -1)
-            length = flistxattr(path.fd, buffer, buffer_size);
+        if (path->fd > -1)
+            length = flistxattr(path->fd, buffer, buffer_size);
         else if (follow_symlinks)
             length = listxattr(name, buffer, buffer_size);
         else
@@ -10873,7 +11016,7 @@ posix_listxattr(PyObject *self, PyObject *args, PyObject *kwargs)
                 buffer = NULL;
                 continue;
             }
-            path_error(&path);
+            path_error(path);
             break;
         }
 
@@ -10906,43 +11049,43 @@ posix_listxattr(PyObject *self, PyObject *args, PyObject *kwargs)
     break;
     }
 exit:
-    path_cleanup(&path);
     if (buffer)
         PyMem_FREE(buffer);
     return result;
 }
-
 #endif /* USE_XATTRS */
 
 
-PyDoc_STRVAR(posix_urandom__doc__,
-"urandom(n) -> str\n\n\
-Return n random bytes suitable for cryptographic use.");
+/*[clinic input]
+os.urandom
+
+    size: Py_ssize_t
+    /
+
+Return a bytes object containing random bytes suitable for cryptographic use.
+[clinic start generated code]*/
 
 static PyObject *
-posix_urandom(PyObject *self, PyObject *args)
+os_urandom_impl(PyModuleDef *module, Py_ssize_t size)
+/*[clinic end generated code: output=e0011f021501f03b input=4067cdb1b6776c29]*/
 {
-    Py_ssize_t size;
-    PyObject *result;
-    int ret;
+    PyObject *bytes;
+    int result;
 
-     /* Read arguments */
-    if (!PyArg_ParseTuple(args, "n:urandom", &size))
-        return NULL;
     if (size < 0)
         return PyErr_Format(PyExc_ValueError,
                             "negative argument not allowed");
-    result = PyBytes_FromStringAndSize(NULL, size);
-    if (result == NULL)
+    bytes = PyBytes_FromStringAndSize(NULL, size);
+    if (bytes == NULL)
         return NULL;
 
-    ret = _PyOS_URandom(PyBytes_AS_STRING(result),
-                        PyBytes_GET_SIZE(result));
-    if (ret == -1) {
-        Py_DECREF(result);
+    result = _PyOS_URandom(PyBytes_AS_STRING(bytes),
+                        PyBytes_GET_SIZE(bytes));
+    if (result == -1) {
+        Py_DECREF(bytes);
         return NULL;
     }
-    return result;
+    return bytes;
 }
 
 /* Terminal size querying */
@@ -10966,6 +11109,7 @@ static PyStructSequence_Desc TerminalSize_desc = {
 };
 
 #if defined(TERMSIZE_USE_CONIO) || defined(TERMSIZE_USE_IOCTL)
+/* AC 3.5: fd should accept None */
 PyDoc_STRVAR(termsize__doc__,
     "Return the size of the terminal window as (columns, lines).\n"        \
     "\n"                                                                   \
@@ -11051,13 +11195,16 @@ get_terminal_size(PyObject *self, PyObject *args)
 }
 #endif /* defined(TERMSIZE_USE_CONIO) || defined(TERMSIZE_USE_IOCTL) */
 
-PyDoc_STRVAR(posix_cpu_count__doc__,
-"cpu_count() -> integer\n\n\
-Return the number of CPUs in the system, or None if this value cannot be\n\
-established.");
+
+/*[clinic input]
+os.cpu_count
+
+Return the number of CPUs in the system; return None if indeterminable.
+[clinic start generated code]*/
 
 static PyObject *
-posix_cpu_count(PyObject *self)
+os_cpu_count_impl(PyModuleDef *module)
+/*[clinic end generated code: output=c59ee7f6bce832b8 input=d55e2f8f3823a628]*/
 {
     int ncpu = 0;
 #ifdef MS_WINDOWS
@@ -11086,111 +11233,943 @@ posix_cpu_count(PyObject *self)
         Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(get_inheritable__doc__,
-    "get_inheritable(fd) -> bool\n" \
+
+/*[clinic input]
+os.get_inheritable -> bool
+
+    fd: int
+    /
+
+Get the close-on-exe flag of the specified file descriptor.
+[clinic start generated code]*/
+
+static int
+os_get_inheritable_impl(PyModuleDef *module, int fd)
+/*[clinic end generated code: output=36110bb36efaa21e input=89ac008dc9ab6b95]*/
+{
+    int return_value;
+    if (!_PyVerify_fd(fd)) {
+        posix_error();
+        return -1;
+    }
+
+    _Py_BEGIN_SUPPRESS_IPH
+    return_value = _Py_get_inheritable(fd);
+    _Py_END_SUPPRESS_IPH
+    return return_value;
+}
+
+
+/*[clinic input]
+os.set_inheritable
+    fd: int
+    inheritable: int
+    /
+
+Set the inheritable flag of the specified file descriptor.
+[clinic start generated code]*/
+
+static PyObject *
+os_set_inheritable_impl(PyModuleDef *module, int fd, int inheritable)
+/*[clinic end generated code: output=2ac5c6ce8623f045 input=9ceaead87a1e2402]*/
+{
+    int result;
+    if (!_PyVerify_fd(fd))
+        return posix_error();
+
+    _Py_BEGIN_SUPPRESS_IPH
+    result = _Py_set_inheritable(fd, inheritable, NULL);
+    _Py_END_SUPPRESS_IPH
+    if (result < 0)
+        return NULL;
+    Py_RETURN_NONE;
+}
+
+
+#ifdef MS_WINDOWS
+/*[clinic input]
+os.get_handle_inheritable -> bool
+    handle: Py_intptr_t
+    /
+
+Get the close-on-exe flag of the specified file descriptor.
+[clinic start generated code]*/
+
+static int
+os_get_handle_inheritable_impl(PyModuleDef *module, Py_intptr_t handle)
+/*[clinic end generated code: output=3b7b3e1b43f312b6 input=5f7759443aae3dc5]*/
+{
+    DWORD flags;
+
+    if (!GetHandleInformation((HANDLE)handle, &flags)) {
+        PyErr_SetFromWindowsErr(0);
+        return -1;
+    }
+
+    return flags & HANDLE_FLAG_INHERIT;
+}
+
+
+/*[clinic input]
+os.set_handle_inheritable
+    handle: Py_intptr_t
+    inheritable: bool
+    /
+
+Set the inheritable flag of the specified handle.
+[clinic start generated code]*/
+
+static PyObject *
+os_set_handle_inheritable_impl(PyModuleDef *module, Py_intptr_t handle,
+                               int inheritable)
+/*[clinic end generated code: output=d2e111a96c9eb296 input=e64b2b2730469def]*/
+{
+    DWORD flags = inheritable ? HANDLE_FLAG_INHERIT : 0;
+    if (!SetHandleInformation((HANDLE)handle, HANDLE_FLAG_INHERIT, flags)) {
+        PyErr_SetFromWindowsErr(0);
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
+#endif /* MS_WINDOWS */
+
+#ifndef MS_WINDOWS
+PyDoc_STRVAR(get_blocking__doc__,
+    "get_blocking(fd) -> bool\n" \
     "\n" \
-    "Get the close-on-exe flag of the specified file descriptor.");
+    "Get the blocking mode of the file descriptor:\n" \
+    "False if the O_NONBLOCK flag is set, True if the flag is cleared.");
 
 static PyObject*
-posix_get_inheritable(PyObject *self, PyObject *args)
+posix_get_blocking(PyObject *self, PyObject *args)
 {
     int fd;
-    int inheritable;
+    int blocking;
 
-    if (!PyArg_ParseTuple(args, "i:get_inheritable", &fd))
+    if (!PyArg_ParseTuple(args, "i:get_blocking", &fd))
         return NULL;
 
     if (!_PyVerify_fd(fd))
         return posix_error();
 
-    inheritable = _Py_get_inheritable(fd);
-    if (inheritable < 0)
+    _Py_BEGIN_SUPPRESS_IPH
+    blocking = _Py_get_blocking(fd);
+    _Py_END_SUPPRESS_IPH
+    if (blocking < 0)
         return NULL;
-    return PyBool_FromLong(inheritable);
+    return PyBool_FromLong(blocking);
 }
 
-PyDoc_STRVAR(set_inheritable__doc__,
-    "set_inheritable(fd, inheritable)\n" \
+PyDoc_STRVAR(set_blocking__doc__,
+    "set_blocking(fd, blocking)\n" \
     "\n" \
-    "Set the inheritable flag of the specified file descriptor.");
+    "Set the blocking mode of the specified file descriptor.\n" \
+    "Set the O_NONBLOCK flag if blocking is False,\n" \
+    "clear the O_NONBLOCK flag otherwise.");
 
 static PyObject*
-posix_set_inheritable(PyObject *self, PyObject *args)
+posix_set_blocking(PyObject *self, PyObject *args)
 {
-    int fd, inheritable;
+    int fd, blocking, result;
 
-    if (!PyArg_ParseTuple(args, "ii:set_inheritable", &fd, &inheritable))
+    if (!PyArg_ParseTuple(args, "ii:set_blocking", &fd, &blocking))
         return NULL;
 
     if (!_PyVerify_fd(fd))
         return posix_error();
 
-    if (_Py_set_inheritable(fd, inheritable, NULL) < 0)
+    _Py_BEGIN_SUPPRESS_IPH
+    result = _Py_set_blocking(fd, blocking);
+    _Py_END_SUPPRESS_IPH
+    if (result < 0)
         return NULL;
     Py_RETURN_NONE;
 }
+#endif   /* !MS_WINDOWS */
+
+
+PyDoc_STRVAR(posix_scandir__doc__,
+"scandir(path='.') -> iterator of DirEntry objects for given path");
 
+static char *follow_symlinks_keywords[] = {"follow_symlinks", NULL};
 
+typedef struct {
+    PyObject_HEAD
+    PyObject *name;
+    PyObject *path;
+    PyObject *stat;
+    PyObject *lstat;
 #ifdef MS_WINDOWS
-PyDoc_STRVAR(get_handle_inheritable__doc__,
-    "get_handle_inheritable(fd) -> bool\n" \
-    "\n" \
-    "Get the close-on-exe flag of the specified file descriptor.");
+    struct _Py_stat_struct win32_lstat;
+    __int64 win32_file_index;
+    int got_file_index;
+#else /* POSIX */
+#ifdef HAVE_DIRENT_D_TYPE
+    unsigned char d_type;
+#endif
+    ino_t d_ino;
+#endif
+} DirEntry;
 
-static PyObject*
-posix_get_handle_inheritable(PyObject *self, PyObject *args)
+static void
+DirEntry_dealloc(DirEntry *entry)
 {
-    Py_intptr_t handle;
-    DWORD flags;
+    Py_XDECREF(entry->name);
+    Py_XDECREF(entry->path);
+    Py_XDECREF(entry->stat);
+    Py_XDECREF(entry->lstat);
+    Py_TYPE(entry)->tp_free((PyObject *)entry);
+}
+
+/* Forward reference */
+static int
+DirEntry_test_mode(DirEntry *self, int follow_symlinks, unsigned short mode_bits);
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_INTPTR ":get_handle_inheritable", &handle))
+/* Set exception and return -1 on error, 0 for False, 1 for True */
+static int
+DirEntry_is_symlink(DirEntry *self)
+{
+#ifdef MS_WINDOWS
+    return (self->win32_lstat.st_mode & S_IFMT) == S_IFLNK;
+#elif defined(HAVE_DIRENT_D_TYPE)
+    /* POSIX */
+    if (self->d_type != DT_UNKNOWN)
+        return self->d_type == DT_LNK;
+    else
+        return DirEntry_test_mode(self, 0, S_IFLNK);
+#else
+    /* POSIX without d_type */
+    return DirEntry_test_mode(self, 0, S_IFLNK);
+#endif
+}
+
+static PyObject *
+DirEntry_py_is_symlink(DirEntry *self)
+{
+    int result;
+
+    result = DirEntry_is_symlink(self);
+    if (result == -1)
         return NULL;
+    return PyBool_FromLong(result);
+}
 
-    if (!GetHandleInformation((HANDLE)handle, &flags)) {
-        PyErr_SetFromWindowsErr(0);
+static PyObject *
+DirEntry_fetch_stat(DirEntry *self, int follow_symlinks)
+{
+    int result;
+    struct _Py_stat_struct st;
+
+#ifdef MS_WINDOWS
+    wchar_t *path;
+
+    path = PyUnicode_AsUnicode(self->path);
+    if (!path)
         return NULL;
+
+    if (follow_symlinks)
+        result = win32_stat_w(path, &st);
+    else
+        result = win32_lstat_w(path, &st);
+
+    if (result != 0) {
+        return PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError,
+                                                            0, self->path);
     }
+#else /* POSIX */
+    PyObject *bytes;
+    char *path;
+
+    if (!PyUnicode_FSConverter(self->path, &bytes))
+        return NULL;
+    path = PyBytes_AS_STRING(bytes);
+
+    if (follow_symlinks)
+        result = STAT(path, &st);
+    else
+        result = LSTAT(path, &st);
+    Py_DECREF(bytes);
 
-    return PyBool_FromLong(flags & HANDLE_FLAG_INHERIT);
+    if (result != 0)
+        return PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, self->path);
+#endif
+
+    return _pystat_fromstructstat(&st);
 }
 
-PyDoc_STRVAR(set_handle_inheritable__doc__,
-    "set_handle_inheritable(fd, inheritable)\n" \
-    "\n" \
-    "Set the inheritable flag of the specified handle.");
+static PyObject *
+DirEntry_get_lstat(DirEntry *self)
+{
+    if (!self->lstat) {
+#ifdef MS_WINDOWS
+        self->lstat = _pystat_fromstructstat(&self->win32_lstat);
+#else /* POSIX */
+        self->lstat = DirEntry_fetch_stat(self, 0);
+#endif
+    }
+    Py_XINCREF(self->lstat);
+    return self->lstat;
+}
 
-static PyObject*
-posix_set_handle_inheritable(PyObject *self, PyObject *args)
+static PyObject *
+DirEntry_get_stat(DirEntry *self, int follow_symlinks)
 {
-    int inheritable = 1;
-    Py_intptr_t handle;
-    DWORD flags;
+    if (!follow_symlinks)
+        return DirEntry_get_lstat(self);
+
+    if (!self->stat) {
+        int result = DirEntry_is_symlink(self);
+        if (result == -1)
+            return NULL;
+        else if (result)
+            self->stat = DirEntry_fetch_stat(self, 1);
+        else
+            self->stat = DirEntry_get_lstat(self);
+    }
+
+    Py_XINCREF(self->stat);
+    return self->stat;
+}
+
+static PyObject *
+DirEntry_stat(DirEntry *self, PyObject *args, PyObject *kwargs)
+{
+    int follow_symlinks = 1;
 
-    if (!PyArg_ParseTuple(args, _Py_PARSE_INTPTR "i:set_handle_inheritable",
-                          &handle, &inheritable))
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|$p:DirEntry.stat",
+                                     follow_symlinks_keywords, &follow_symlinks))
         return NULL;
 
-    if (inheritable)
-        flags = HANDLE_FLAG_INHERIT;
-    else
-        flags = 0;
-    if (!SetHandleInformation((HANDLE)handle, HANDLE_FLAG_INHERIT, flags)) {
-        PyErr_SetFromWindowsErr(0);
+    return DirEntry_get_stat(self, follow_symlinks);
+}
+
+/* Set exception and return -1 on error, 0 for False, 1 for True */
+static int
+DirEntry_test_mode(DirEntry *self, int follow_symlinks, unsigned short mode_bits)
+{
+    PyObject *stat = NULL;
+    PyObject *st_mode = NULL;
+    long mode;
+    int result;
+#if defined(MS_WINDOWS) || defined(HAVE_DIRENT_D_TYPE)
+    int is_symlink;
+    int need_stat;
+#endif
+#ifdef MS_WINDOWS
+    unsigned long dir_bits;
+#endif
+    _Py_IDENTIFIER(st_mode);
+
+#ifdef MS_WINDOWS
+    is_symlink = (self->win32_lstat.st_mode & S_IFMT) == S_IFLNK;
+    need_stat = follow_symlinks && is_symlink;
+#elif defined(HAVE_DIRENT_D_TYPE)
+    is_symlink = self->d_type == DT_LNK;
+    need_stat = self->d_type == DT_UNKNOWN || (follow_symlinks && is_symlink);
+#endif
+
+#if defined(MS_WINDOWS) || defined(HAVE_DIRENT_D_TYPE)
+    if (need_stat) {
+#endif
+        stat = DirEntry_get_stat(self, follow_symlinks);
+        if (!stat) {
+            if (PyErr_ExceptionMatches(PyExc_FileNotFoundError)) {
+                /* If file doesn't exist (anymore), then return False
+                   (i.e., say it's not a file/directory) */
+                PyErr_Clear();
+                return 0;
+            }
+            goto error;
+        }
+        st_mode = _PyObject_GetAttrId(stat, &PyId_st_mode);
+        if (!st_mode)
+            goto error;
+
+        mode = PyLong_AsLong(st_mode);
+        if (mode == -1 && PyErr_Occurred())
+            goto error;
+        Py_CLEAR(st_mode);
+        Py_CLEAR(stat);
+        result = (mode & S_IFMT) == mode_bits;
+#if defined(MS_WINDOWS) || defined(HAVE_DIRENT_D_TYPE)
+    }
+    else if (is_symlink) {
+        assert(mode_bits != S_IFLNK);
+        result = 0;
+    }
+    else {
+        assert(mode_bits == S_IFDIR || mode_bits == S_IFREG);
+#ifdef MS_WINDOWS
+        dir_bits = self->win32_lstat.st_file_attributes & FILE_ATTRIBUTE_DIRECTORY;
+        if (mode_bits == S_IFDIR)
+            result = dir_bits != 0;
+        else
+            result = dir_bits == 0;
+#else /* POSIX */
+        if (mode_bits == S_IFDIR)
+            result = self->d_type == DT_DIR;
+        else
+            result = self->d_type == DT_REG;
+#endif
+    }
+#endif
+
+    return result;
+
+error:
+    Py_XDECREF(st_mode);
+    Py_XDECREF(stat);
+    return -1;
+}
+
+static PyObject *
+DirEntry_py_test_mode(DirEntry *self, int follow_symlinks, unsigned short mode_bits)
+{
+    int result;
+
+    result = DirEntry_test_mode(self, follow_symlinks, mode_bits);
+    if (result == -1)
+        return NULL;
+    return PyBool_FromLong(result);
+}
+
+static PyObject *
+DirEntry_is_dir(DirEntry *self, PyObject *args, PyObject *kwargs)
+{
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|$p:DirEntry.is_dir",
+                                     follow_symlinks_keywords, &follow_symlinks))
         return NULL;
+
+    return DirEntry_py_test_mode(self, follow_symlinks, S_IFDIR);
+}
+
+static PyObject *
+DirEntry_is_file(DirEntry *self, PyObject *args, PyObject *kwargs)
+{
+    int follow_symlinks = 1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|$p:DirEntry.is_file",
+                                     follow_symlinks_keywords, &follow_symlinks))
+        return NULL;
+
+    return DirEntry_py_test_mode(self, follow_symlinks, S_IFREG);
+}
+
+static PyObject *
+DirEntry_inode(DirEntry *self)
+{
+#ifdef MS_WINDOWS
+    if (!self->got_file_index) {
+        wchar_t *path;
+        struct _Py_stat_struct stat;
+
+        path = PyUnicode_AsUnicode(self->path);
+        if (!path)
+            return NULL;
+
+        if (win32_lstat_w(path, &stat) != 0) {
+            return PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError,
+                                                                0, self->path);
+        }
+
+        self->win32_file_index = stat.st_ino;
+        self->got_file_index = 1;
     }
-    Py_RETURN_NONE;
+    return PyLong_FromLongLong((PY_LONG_LONG)self->win32_file_index);
+#else /* POSIX */
+#ifdef HAVE_LARGEFILE_SUPPORT
+    return PyLong_FromLongLong((PY_LONG_LONG)self->d_ino);
+#else
+    return PyLong_FromLong((long)self->d_ino);
+#endif
+#endif
+}
+
+static PyObject *
+DirEntry_repr(DirEntry *self)
+{
+    return PyUnicode_FromFormat("<DirEntry %R>", self->name);
 }
-#endif   /* MS_WINDOWS */
 
+static PyMemberDef DirEntry_members[] = {
+    {"name", T_OBJECT_EX, offsetof(DirEntry, name), READONLY,
+     "the entry's base filename, relative to scandir() \"path\" argument"},
+    {"path", T_OBJECT_EX, offsetof(DirEntry, path), READONLY,
+     "the entry's full path name; equivalent to os.path.join(scandir_path, entry.name)"},
+    {NULL}
+};
+
+static PyMethodDef DirEntry_methods[] = {
+    {"is_dir", (PyCFunction)DirEntry_is_dir, METH_VARARGS | METH_KEYWORDS,
+     "return True if the entry is a directory; cached per entry"
+    },
+    {"is_file", (PyCFunction)DirEntry_is_file, METH_VARARGS | METH_KEYWORDS,
+     "return True if the entry is a file; cached per entry"
+    },
+    {"is_symlink", (PyCFunction)DirEntry_py_is_symlink, METH_NOARGS,
+     "return True if the entry is a symbolic link; cached per entry"
+    },
+    {"stat", (PyCFunction)DirEntry_stat, METH_VARARGS | METH_KEYWORDS,
+     "return stat_result object for the entry; cached per entry"
+    },
+    {"inode", (PyCFunction)DirEntry_inode, METH_NOARGS,
+     "return inode of the entry; cached per entry",
+    },
+    {NULL}
+};
+
+static PyTypeObject DirEntryType = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    MODNAME ".DirEntry",                    /* tp_name */
+    sizeof(DirEntry),                       /* tp_basicsize */
+    0,                                      /* tp_itemsize */
+    /* methods */
+    (destructor)DirEntry_dealloc,           /* tp_dealloc */
+    0,                                      /* tp_print */
+    0,                                      /* tp_getattr */
+    0,                                      /* tp_setattr */
+    0,                                      /* tp_compare */
+    (reprfunc)DirEntry_repr,                /* tp_repr */
+    0,                                      /* tp_as_number */
+    0,                                      /* tp_as_sequence */
+    0,                                      /* tp_as_mapping */
+    0,                                      /* tp_hash */
+    0,                                      /* tp_call */
+    0,                                      /* tp_str */
+    0,                                      /* tp_getattro */
+    0,                                      /* tp_setattro */
+    0,                                      /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT,                     /* tp_flags */
+    0,                                      /* tp_doc */
+    0,                                      /* tp_traverse */
+    0,                                      /* tp_clear */
+    0,                                      /* tp_richcompare */
+    0,                                      /* tp_weaklistoffset */
+    0,                                      /* tp_iter */
+    0,                                      /* tp_iternext */
+    DirEntry_methods,                       /* tp_methods */
+    DirEntry_members,                       /* tp_members */
+};
+
+#ifdef MS_WINDOWS
+
+static wchar_t *
+join_path_filenameW(wchar_t *path_wide, wchar_t* filename)
+{
+    Py_ssize_t path_len;
+    Py_ssize_t size;
+    wchar_t *result;
+    wchar_t ch;
+
+    if (!path_wide) { /* Default arg: "." */
+        path_wide = L".";
+        path_len = 1;
+    }
+    else {
+        path_len = wcslen(path_wide);
+    }
+
+    /* The +1's are for the path separator and the NUL */
+    size = path_len + 1 + wcslen(filename) + 1;
+    result = PyMem_New(wchar_t, size);
+    if (!result) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    wcscpy(result, path_wide);
+    if (path_len > 0) {
+        ch = result[path_len - 1];
+        if (ch != SEP && ch != ALTSEP && ch != L':')
+            result[path_len++] = SEP;
+        wcscpy(result + path_len, filename);
+    }
+    return result;
+}
+
+static PyObject *
+DirEntry_from_find_data(path_t *path, WIN32_FIND_DATAW *dataW)
+{
+    DirEntry *entry;
+    BY_HANDLE_FILE_INFORMATION file_info;
+    ULONG reparse_tag;
+    wchar_t *joined_path;
+
+    entry = PyObject_New(DirEntry, &DirEntryType);
+    if (!entry)
+        return NULL;
+    entry->name = NULL;
+    entry->path = NULL;
+    entry->stat = NULL;
+    entry->lstat = NULL;
+    entry->got_file_index = 0;
+
+    entry->name = PyUnicode_FromWideChar(dataW->cFileName, -1);
+    if (!entry->name)
+        goto error;
+
+    joined_path = join_path_filenameW(path->wide, dataW->cFileName);
+    if (!joined_path)
+        goto error;
+
+    entry->path = PyUnicode_FromWideChar(joined_path, -1);
+    PyMem_Free(joined_path);
+    if (!entry->path)
+        goto error;
+
+    find_data_to_file_info_w(dataW, &file_info, &reparse_tag);
+    _Py_attribute_data_to_stat(&file_info, reparse_tag, &entry->win32_lstat);
+
+    return (PyObject *)entry;
+
+error:
+    Py_DECREF(entry);
+    return NULL;
+}
+
+#else /* POSIX */
+
+static char *
+join_path_filename(char *path_narrow, char* filename, Py_ssize_t filename_len)
+{
+    Py_ssize_t path_len;
+    Py_ssize_t size;
+    char *result;
+
+    if (!path_narrow) { /* Default arg: "." */
+        path_narrow = ".";
+        path_len = 1;
+    }
+    else {
+        path_len = strlen(path_narrow);
+    }
+
+    if (filename_len == -1)
+        filename_len = strlen(filename);
+
+    /* The +1's are for the path separator and the NUL */
+    size = path_len + 1 + filename_len + 1;
+    result = PyMem_New(char, size);
+    if (!result) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    strcpy(result, path_narrow);
+    if (path_len > 0 && result[path_len - 1] != '/')
+        result[path_len++] = '/';
+    strcpy(result + path_len, filename);
+    return result;
+}
+
+static PyObject *
+DirEntry_from_posix_info(path_t *path, char *name, Py_ssize_t name_len,
+                         ino_t d_ino
+#ifdef HAVE_DIRENT_D_TYPE
+                         , unsigned char d_type
+#endif
+                         )
+{
+    DirEntry *entry;
+    char *joined_path;
+
+    entry = PyObject_New(DirEntry, &DirEntryType);
+    if (!entry)
+        return NULL;
+    entry->name = NULL;
+    entry->path = NULL;
+    entry->stat = NULL;
+    entry->lstat = NULL;
+
+    joined_path = join_path_filename(path->narrow, name, name_len);
+    if (!joined_path)
+        goto error;
+
+    if (!path->narrow || !PyBytes_Check(path->object)) {
+        entry->name = PyUnicode_DecodeFSDefaultAndSize(name, name_len);
+        entry->path = PyUnicode_DecodeFSDefault(joined_path);
+    }
+    else {
+        entry->name = PyBytes_FromStringAndSize(name, name_len);
+        entry->path = PyBytes_FromString(joined_path);
+    }
+    PyMem_Free(joined_path);
+    if (!entry->name || !entry->path)
+        goto error;
+
+#ifdef HAVE_DIRENT_D_TYPE
+    entry->d_type = d_type;
+#endif
+    entry->d_ino = d_ino;
+
+    return (PyObject *)entry;
+
+error:
+    Py_XDECREF(entry);
+    return NULL;
+}
+
+#endif
+
+
+typedef struct {
+    PyObject_HEAD
+    path_t path;
+#ifdef MS_WINDOWS
+    HANDLE handle;
+    WIN32_FIND_DATAW file_data;
+    int first_time;
+#else /* POSIX */
+    DIR *dirp;
+#endif
+} ScandirIterator;
+
+#ifdef MS_WINDOWS
+
+static void
+ScandirIterator_close(ScandirIterator *iterator)
+{
+    if (iterator->handle == INVALID_HANDLE_VALUE)
+        return;
+
+    Py_BEGIN_ALLOW_THREADS
+    FindClose(iterator->handle);
+    Py_END_ALLOW_THREADS
+    iterator->handle = INVALID_HANDLE_VALUE;
+}
+
+static PyObject *
+ScandirIterator_iternext(ScandirIterator *iterator)
+{
+    WIN32_FIND_DATAW *file_data = &iterator->file_data;
+    BOOL success;
+
+    /* Happens if the iterator is iterated twice */
+    if (iterator->handle == INVALID_HANDLE_VALUE) {
+        PyErr_SetNone(PyExc_StopIteration);
+        return NULL;
+    }
+
+    while (1) {
+        if (!iterator->first_time) {
+            Py_BEGIN_ALLOW_THREADS
+            success = FindNextFileW(iterator->handle, file_data);
+            Py_END_ALLOW_THREADS
+            if (!success) {
+                if (GetLastError() != ERROR_NO_MORE_FILES)
+                    return path_error(&iterator->path);
+                /* No more files found in directory, stop iterating */
+                break;
+            }
+        }
+        iterator->first_time = 0;
+
+        /* Skip over . and .. */
+        if (wcscmp(file_data->cFileName, L".") != 0 &&
+                wcscmp(file_data->cFileName, L"..") != 0)
+            return DirEntry_from_find_data(&iterator->path, file_data);
+
+        /* Loop till we get a non-dot directory or finish iterating */
+    }
+
+    ScandirIterator_close(iterator);
+
+    PyErr_SetNone(PyExc_StopIteration);
+    return NULL;
+}
+
+#else /* POSIX */
+
+static void
+ScandirIterator_close(ScandirIterator *iterator)
+{
+    if (!iterator->dirp)
+        return;
+
+    Py_BEGIN_ALLOW_THREADS
+    closedir(iterator->dirp);
+    Py_END_ALLOW_THREADS
+    iterator->dirp = NULL;
+    return;
+}
+
+static PyObject *
+ScandirIterator_iternext(ScandirIterator *iterator)
+{
+    struct dirent *direntp;
+    Py_ssize_t name_len;
+    int is_dot;
+
+    /* Happens if the iterator is iterated twice */
+    if (!iterator->dirp) {
+        PyErr_SetNone(PyExc_StopIteration);
+        return NULL;
+    }
+
+    while (1) {
+        errno = 0;
+        Py_BEGIN_ALLOW_THREADS
+        direntp = readdir(iterator->dirp);
+        Py_END_ALLOW_THREADS
+
+        if (!direntp) {
+            if (errno != 0)
+                return path_error(&iterator->path);
+            /* No more files found in directory, stop iterating */
+            break;
+        }
+
+        /* Skip over . and .. */
+        name_len = NAMLEN(direntp);
+        is_dot = direntp->d_name[0] == '.' &&
+                 (name_len == 1 || (direntp->d_name[1] == '.' && name_len == 2));
+        if (!is_dot) {
+            return DirEntry_from_posix_info(&iterator->path, direntp->d_name,
+                                            name_len, direntp->d_ino
+#ifdef HAVE_DIRENT_D_TYPE
+                                            , direntp->d_type
+#endif
+                                            );
+        }
+
+        /* Loop till we get a non-dot directory or finish iterating */
+    }
+
+    ScandirIterator_close(iterator);
+
+    PyErr_SetNone(PyExc_StopIteration);
+    return NULL;
+}
+
+#endif
+
+static void
+ScandirIterator_dealloc(ScandirIterator *iterator)
+{
+    ScandirIterator_close(iterator);
+    Py_XDECREF(iterator->path.object);
+    path_cleanup(&iterator->path);
+    Py_TYPE(iterator)->tp_free((PyObject *)iterator);
+}
+
+static PyTypeObject ScandirIteratorType = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    MODNAME ".ScandirIterator",             /* tp_name */
+    sizeof(ScandirIterator),                /* tp_basicsize */
+    0,                                      /* tp_itemsize */
+    /* methods */
+    (destructor)ScandirIterator_dealloc,    /* tp_dealloc */
+    0,                                      /* tp_print */
+    0,                                      /* tp_getattr */
+    0,                                      /* tp_setattr */
+    0,                                      /* tp_compare */
+    0,                                      /* tp_repr */
+    0,                                      /* tp_as_number */
+    0,                                      /* tp_as_sequence */
+    0,                                      /* tp_as_mapping */
+    0,                                      /* tp_hash */
+    0,                                      /* tp_call */
+    0,                                      /* tp_str */
+    0,                                      /* tp_getattro */
+    0,                                      /* tp_setattro */
+    0,                                      /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT,                     /* tp_flags */
+    0,                                      /* tp_doc */
+    0,                                      /* tp_traverse */
+    0,                                      /* tp_clear */
+    0,                                      /* tp_richcompare */
+    0,                                      /* tp_weaklistoffset */
+    PyObject_SelfIter,                      /* tp_iter */
+    (iternextfunc)ScandirIterator_iternext, /* tp_iternext */
+};
+
+static PyObject *
+posix_scandir(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    ScandirIterator *iterator;
+    static char *keywords[] = {"path", NULL};
+#ifdef MS_WINDOWS
+    wchar_t *path_strW;
+#else
+    char *path;
+#endif
+
+    iterator = PyObject_New(ScandirIterator, &ScandirIteratorType);
+    if (!iterator)
+        return NULL;
+    memset(&iterator->path, 0, sizeof(path_t));
+    iterator->path.function_name = "scandir";
+    iterator->path.nullable = 1;
+
+#ifdef MS_WINDOWS
+    iterator->handle = INVALID_HANDLE_VALUE;
+#else
+    iterator->dirp = NULL;
+#endif
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O&:scandir", keywords,
+                                     path_converter, &iterator->path))
+        goto error;
+
+    /* path_converter doesn't keep path.object around, so do it
+       manually for the lifetime of the iterator here (the refcount
+       is decremented in ScandirIterator_dealloc)
+    */
+    Py_XINCREF(iterator->path.object);
+
+#ifdef MS_WINDOWS
+    if (iterator->path.narrow) {
+        PyErr_SetString(PyExc_TypeError,
+                        "os.scandir() doesn't support bytes path on Windows, use Unicode instead");
+        goto error;
+    }
+    iterator->first_time = 1;
+
+    path_strW = join_path_filenameW(iterator->path.wide, L"*.*");
+    if (!path_strW)
+        goto error;
+
+    Py_BEGIN_ALLOW_THREADS
+    iterator->handle = FindFirstFileW(path_strW, &iterator->file_data);
+    Py_END_ALLOW_THREADS
+
+    PyMem_Free(path_strW);
+
+    if (iterator->handle == INVALID_HANDLE_VALUE) {
+        path_error(&iterator->path);
+        goto error;
+    }
+#else /* POSIX */
+    if (iterator->path.narrow)
+        path = iterator->path.narrow;
+    else
+        path = ".";
+
+    errno = 0;
+    Py_BEGIN_ALLOW_THREADS
+    iterator->dirp = opendir(path);
+    Py_END_ALLOW_THREADS
+
+    if (!iterator->dirp) {
+        path_error(&iterator->path);
+        goto error;
+    }
+#endif
+
+    return (PyObject *)iterator;
+
+error:
+    Py_DECREF(iterator);
+    return NULL;
+}
+
+
+#include "clinic/posixmodule.c.h"
 
 /*[clinic input]
 dump buffer
 [clinic start generated code]*/
-
-#ifndef OS_TTYNAME_METHODDEF
-    #define OS_TTYNAME_METHODDEF
-#endif /* !defined(OS_TTYNAME_METHODDEF) */
-/*[clinic end generated code: output=5d071bbc8f49ea12 input=524ce2e021e4eba6]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=524ce2e021e4eba6]*/
 
 
 static PyMethodDef posix_methods[] = {
@@ -11198,71 +12177,26 @@ static PyMethodDef posix_methods[] = {
     OS_STAT_METHODDEF
     OS_ACCESS_METHODDEF
     OS_TTYNAME_METHODDEF
-
-    {"chdir",           (PyCFunction)posix_chdir,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_chdir__doc__},
-#ifdef HAVE_CHFLAGS
-    {"chflags",         (PyCFunction)posix_chflags,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_chflags__doc__},
-#endif /* HAVE_CHFLAGS */
-    {"chmod",           (PyCFunction)posix_chmod,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_chmod__doc__},
-#ifdef HAVE_FCHMOD
-    {"fchmod",          posix_fchmod, METH_VARARGS, posix_fchmod__doc__},
-#endif /* HAVE_FCHMOD */
-#ifdef HAVE_CHOWN
-    {"chown",           (PyCFunction)posix_chown,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_chown__doc__},
-#endif /* HAVE_CHOWN */
-#ifdef HAVE_LCHMOD
-    {"lchmod",          posix_lchmod, METH_VARARGS, posix_lchmod__doc__},
-#endif /* HAVE_LCHMOD */
-#ifdef HAVE_FCHOWN
-    {"fchown",          posix_fchown, METH_VARARGS, posix_fchown__doc__},
-#endif /* HAVE_FCHOWN */
-#ifdef HAVE_LCHFLAGS
-    {"lchflags",        posix_lchflags, METH_VARARGS, posix_lchflags__doc__},
-#endif /* HAVE_LCHFLAGS */
-#ifdef HAVE_LCHOWN
-    {"lchown",          posix_lchown, METH_VARARGS, posix_lchown__doc__},
-#endif /* HAVE_LCHOWN */
-#ifdef HAVE_CHROOT
-    {"chroot",          posix_chroot, METH_VARARGS, posix_chroot__doc__},
-#endif
-#ifdef HAVE_CTERMID
-    {"ctermid",         posix_ctermid, METH_NOARGS, posix_ctermid__doc__},
-#endif
-    {"getcwd",          (PyCFunction)posix_getcwd_unicode,
-    METH_NOARGS, posix_getcwd__doc__},
-    {"getcwdb",         (PyCFunction)posix_getcwd_bytes,
-    METH_NOARGS, posix_getcwdb__doc__},
-#if defined(HAVE_LINK) || defined(MS_WINDOWS)
-    {"link",            (PyCFunction)posix_link,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_link__doc__},
-#endif /* HAVE_LINK */
-    {"listdir",         (PyCFunction)posix_listdir,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_listdir__doc__},
-    {"lstat",           (PyCFunction)posix_lstat,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_lstat__doc__},
-    {"mkdir",           (PyCFunction)posix_mkdir,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_mkdir__doc__},
-#ifdef HAVE_NICE
-    {"nice",            posix_nice, METH_VARARGS, posix_nice__doc__},
-#endif /* HAVE_NICE */
-#ifdef HAVE_GETPRIORITY
-    {"getpriority",     posix_getpriority, METH_VARARGS, posix_getpriority__doc__},
-#endif /* HAVE_GETPRIORITY */
-#ifdef HAVE_SETPRIORITY
-    {"setpriority",     posix_setpriority, METH_VARARGS, posix_setpriority__doc__},
-#endif /* HAVE_SETPRIORITY */
+    OS_CHDIR_METHODDEF
+    OS_CHFLAGS_METHODDEF
+    OS_CHMOD_METHODDEF
+    OS_FCHMOD_METHODDEF
+    OS_LCHMOD_METHODDEF
+    OS_CHOWN_METHODDEF
+    OS_FCHOWN_METHODDEF
+    OS_LCHOWN_METHODDEF
+    OS_LCHFLAGS_METHODDEF
+    OS_CHROOT_METHODDEF
+    OS_CTERMID_METHODDEF
+    OS_GETCWD_METHODDEF
+    OS_GETCWDB_METHODDEF
+    OS_LINK_METHODDEF
+    OS_LISTDIR_METHODDEF
+    OS_LSTAT_METHODDEF
+    OS_MKDIR_METHODDEF
+    OS_NICE_METHODDEF
+    OS_GETPRIORITY_METHODDEF
+    OS_SETPRIORITY_METHODDEF
 #ifdef HAVE_READLINK
     {"readlink",        (PyCFunction)posix_readlink,
                         METH_VARARGS | METH_KEYWORDS,
@@ -11273,376 +12207,164 @@ static PyMethodDef posix_methods[] = {
                         METH_VARARGS | METH_KEYWORDS,
                         readlink__doc__},
 #endif /* !defined(HAVE_READLINK) && defined(MS_WINDOWS) */
-    {"rename",          (PyCFunction)posix_rename,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_rename__doc__},
-    {"replace",         (PyCFunction)posix_replace,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_replace__doc__},
-    {"rmdir",           (PyCFunction)posix_rmdir,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_rmdir__doc__},
+    OS_RENAME_METHODDEF
+    OS_REPLACE_METHODDEF
+    OS_RMDIR_METHODDEF
     {"stat_float_times", stat_float_times, METH_VARARGS, stat_float_times__doc__},
-#if defined(HAVE_SYMLINK)
-    {"symlink",         (PyCFunction)posix_symlink,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_symlink__doc__},
-#endif /* HAVE_SYMLINK */
-#ifdef HAVE_SYSTEM
-    {"system",          posix_system, METH_VARARGS, posix_system__doc__},
-#endif
-    {"umask",           posix_umask, METH_VARARGS, posix_umask__doc__},
-#ifdef HAVE_UNAME
-    {"uname",           posix_uname, METH_NOARGS, posix_uname__doc__},
-#endif /* HAVE_UNAME */
-    {"unlink",          (PyCFunction)posix_unlink,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_unlink__doc__},
-    {"remove",          (PyCFunction)posix_unlink,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_remove__doc__},
-    {"utime",           (PyCFunction)posix_utime,
-                        METH_VARARGS | METH_KEYWORDS, posix_utime__doc__},
-#ifdef HAVE_TIMES
-    {"times",           posix_times, METH_NOARGS, posix_times__doc__},
-#endif /* HAVE_TIMES */
-    {"_exit",           posix__exit, METH_VARARGS, posix__exit__doc__},
-#ifdef HAVE_EXECV
-    {"execv",           posix_execv, METH_VARARGS, posix_execv__doc__},
-    {"execve",          (PyCFunction)posix_execve,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_execve__doc__},
-#endif /* HAVE_EXECV */
-#ifdef HAVE_SPAWNV
-    {"spawnv",          posix_spawnv, METH_VARARGS, posix_spawnv__doc__},
-    {"spawnve",         posix_spawnve, METH_VARARGS, posix_spawnve__doc__},
-#endif /* HAVE_SPAWNV */
-#ifdef HAVE_FORK1
-    {"fork1",       posix_fork1, METH_NOARGS, posix_fork1__doc__},
-#endif /* HAVE_FORK1 */
-#ifdef HAVE_FORK
-    {"fork",            posix_fork, METH_NOARGS, posix_fork__doc__},
-#endif /* HAVE_FORK */
-#ifdef HAVE_SCHED_H
-#ifdef HAVE_SCHED_GET_PRIORITY_MAX
-    {"sched_get_priority_max", posix_sched_get_priority_max, METH_VARARGS, posix_sched_get_priority_max__doc__},
-    {"sched_get_priority_min", posix_sched_get_priority_min, METH_VARARGS, posix_sched_get_priority_min__doc__},
-#endif
-#ifdef HAVE_SCHED_SETPARAM
-    {"sched_getparam", posix_sched_getparam, METH_VARARGS, posix_sched_getparam__doc__},
-#endif
-#ifdef HAVE_SCHED_SETSCHEDULER
-    {"sched_getscheduler", posix_sched_getscheduler, METH_VARARGS, posix_sched_getscheduler__doc__},
-#endif
-#ifdef HAVE_SCHED_RR_GET_INTERVAL
-    {"sched_rr_get_interval", posix_sched_rr_get_interval, METH_VARARGS, posix_sched_rr_get_interval__doc__},
-#endif
-#ifdef HAVE_SCHED_SETPARAM
-    {"sched_setparam", posix_sched_setparam, METH_VARARGS, posix_sched_setparam__doc__},
-#endif
-#ifdef HAVE_SCHED_SETSCHEDULER
-    {"sched_setscheduler", posix_sched_setscheduler, METH_VARARGS, posix_sched_setscheduler__doc__},
-#endif
-    {"sched_yield",     posix_sched_yield, METH_NOARGS, posix_sched_yield__doc__},
-#ifdef HAVE_SCHED_SETAFFINITY
-    {"sched_setaffinity", posix_sched_setaffinity, METH_VARARGS, posix_sched_setaffinity__doc__},
-    {"sched_getaffinity", posix_sched_getaffinity, METH_VARARGS, posix_sched_getaffinity__doc__},
-#endif
-#endif /* HAVE_SCHED_H */
-#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX)
-    {"openpty",         posix_openpty, METH_NOARGS, posix_openpty__doc__},
-#endif /* HAVE_OPENPTY || HAVE__GETPTY || HAVE_DEV_PTMX */
-#ifdef HAVE_FORKPTY
-    {"forkpty",         posix_forkpty, METH_NOARGS, posix_forkpty__doc__},
-#endif /* HAVE_FORKPTY */
-#ifdef HAVE_GETEGID
-    {"getegid",         posix_getegid, METH_NOARGS, posix_getegid__doc__},
-#endif /* HAVE_GETEGID */
-#ifdef HAVE_GETEUID
-    {"geteuid",         posix_geteuid, METH_NOARGS, posix_geteuid__doc__},
-#endif /* HAVE_GETEUID */
-#ifdef HAVE_GETGID
-    {"getgid",          posix_getgid, METH_NOARGS, posix_getgid__doc__},
-#endif /* HAVE_GETGID */
+    OS_SYMLINK_METHODDEF
+    OS_SYSTEM_METHODDEF
+    OS_UMASK_METHODDEF
+    OS_UNAME_METHODDEF
+    OS_UNLINK_METHODDEF
+    OS_REMOVE_METHODDEF
+    OS_UTIME_METHODDEF
+    OS_TIMES_METHODDEF
+    OS__EXIT_METHODDEF
+    OS_EXECV_METHODDEF
+    OS_EXECVE_METHODDEF
+    OS_SPAWNV_METHODDEF
+    OS_SPAWNVE_METHODDEF
+    OS_FORK1_METHODDEF
+    OS_FORK_METHODDEF
+    OS_SCHED_GET_PRIORITY_MAX_METHODDEF
+    OS_SCHED_GET_PRIORITY_MIN_METHODDEF
+    OS_SCHED_GETPARAM_METHODDEF
+    OS_SCHED_GETSCHEDULER_METHODDEF
+    OS_SCHED_RR_GET_INTERVAL_METHODDEF
+    OS_SCHED_SETPARAM_METHODDEF
+    OS_SCHED_SETSCHEDULER_METHODDEF
+    OS_SCHED_YIELD_METHODDEF
+    OS_SCHED_SETAFFINITY_METHODDEF
+    OS_SCHED_GETAFFINITY_METHODDEF
+    OS_OPENPTY_METHODDEF
+    OS_FORKPTY_METHODDEF
+    OS_GETEGID_METHODDEF
+    OS_GETEUID_METHODDEF
+    OS_GETGID_METHODDEF
 #ifdef HAVE_GETGROUPLIST
     {"getgrouplist",    posix_getgrouplist, METH_VARARGS, posix_getgrouplist__doc__},
 #endif
-#ifdef HAVE_GETGROUPS
-    {"getgroups",       posix_getgroups, METH_NOARGS, posix_getgroups__doc__},
-#endif
-    {"getpid",          posix_getpid, METH_NOARGS, posix_getpid__doc__},
-#ifdef HAVE_GETPGRP
-    {"getpgrp",         posix_getpgrp, METH_NOARGS, posix_getpgrp__doc__},
-#endif /* HAVE_GETPGRP */
-#ifdef HAVE_GETPPID
-    {"getppid",         posix_getppid, METH_NOARGS, posix_getppid__doc__},
-#endif /* HAVE_GETPPID */
-#ifdef HAVE_GETUID
-    {"getuid",          posix_getuid, METH_NOARGS, posix_getuid__doc__},
-#endif /* HAVE_GETUID */
-#ifdef HAVE_GETLOGIN
-    {"getlogin",        posix_getlogin, METH_NOARGS, posix_getlogin__doc__},
-#endif
-#ifdef HAVE_KILL
-    {"kill",            posix_kill, METH_VARARGS, posix_kill__doc__},
-#endif /* HAVE_KILL */
-#ifdef HAVE_KILLPG
-    {"killpg",          posix_killpg, METH_VARARGS, posix_killpg__doc__},
-#endif /* HAVE_KILLPG */
-#ifdef HAVE_PLOCK
-    {"plock",           posix_plock, METH_VARARGS, posix_plock__doc__},
-#endif /* HAVE_PLOCK */
+    OS_GETGROUPS_METHODDEF
+    OS_GETPID_METHODDEF
+    OS_GETPGRP_METHODDEF
+    OS_GETPPID_METHODDEF
+    OS_GETUID_METHODDEF
+    OS_GETLOGIN_METHODDEF
+    OS_KILL_METHODDEF
+    OS_KILLPG_METHODDEF
+    OS_PLOCK_METHODDEF
 #ifdef MS_WINDOWS
     {"startfile",       win32_startfile, METH_VARARGS, win32_startfile__doc__},
-    {"kill",    win32_kill, METH_VARARGS, win32_kill__doc__},
 #endif
-#ifdef HAVE_SETUID
-    {"setuid",          posix_setuid, METH_VARARGS, posix_setuid__doc__},
-#endif /* HAVE_SETUID */
-#ifdef HAVE_SETEUID
-    {"seteuid",         posix_seteuid, METH_VARARGS, posix_seteuid__doc__},
-#endif /* HAVE_SETEUID */
-#ifdef HAVE_SETEGID
-    {"setegid",         posix_setegid, METH_VARARGS, posix_setegid__doc__},
-#endif /* HAVE_SETEGID */
-#ifdef HAVE_SETREUID
-    {"setreuid",        posix_setreuid, METH_VARARGS, posix_setreuid__doc__},
-#endif /* HAVE_SETREUID */
-#ifdef HAVE_SETREGID
-    {"setregid",        posix_setregid, METH_VARARGS, posix_setregid__doc__},
-#endif /* HAVE_SETREGID */
-#ifdef HAVE_SETGID
-    {"setgid",          posix_setgid, METH_VARARGS, posix_setgid__doc__},
-#endif /* HAVE_SETGID */
-#ifdef HAVE_SETGROUPS
-    {"setgroups",       posix_setgroups, METH_O, posix_setgroups__doc__},
-#endif /* HAVE_SETGROUPS */
+    OS_SETUID_METHODDEF
+    OS_SETEUID_METHODDEF
+    OS_SETREUID_METHODDEF
+    OS_SETGID_METHODDEF
+    OS_SETEGID_METHODDEF
+    OS_SETREGID_METHODDEF
+    OS_SETGROUPS_METHODDEF
 #ifdef HAVE_INITGROUPS
     {"initgroups",      posix_initgroups, METH_VARARGS, posix_initgroups__doc__},
 #endif /* HAVE_INITGROUPS */
-#ifdef HAVE_GETPGID
-    {"getpgid",         posix_getpgid, METH_VARARGS, posix_getpgid__doc__},
-#endif /* HAVE_GETPGID */
-#ifdef HAVE_SETPGRP
-    {"setpgrp",         posix_setpgrp, METH_NOARGS, posix_setpgrp__doc__},
-#endif /* HAVE_SETPGRP */
-#ifdef HAVE_WAIT
-    {"wait",            posix_wait, METH_NOARGS, posix_wait__doc__},
-#endif /* HAVE_WAIT */
-#ifdef HAVE_WAIT3
-    {"wait3",           posix_wait3, METH_VARARGS, posix_wait3__doc__},
-#endif /* HAVE_WAIT3 */
-#ifdef HAVE_WAIT4
-    {"wait4",           posix_wait4, METH_VARARGS, posix_wait4__doc__},
-#endif /* HAVE_WAIT4 */
-#if defined(HAVE_WAITID) && !defined(__APPLE__)
-    {"waitid",          posix_waitid, METH_VARARGS, posix_waitid__doc__},
-#endif
-#if defined(HAVE_WAITPID) || defined(HAVE_CWAIT)
-    {"waitpid",         posix_waitpid, METH_VARARGS, posix_waitpid__doc__},
-#endif /* HAVE_WAITPID */
-#ifdef HAVE_GETSID
-    {"getsid",          posix_getsid, METH_VARARGS, posix_getsid__doc__},
-#endif /* HAVE_GETSID */
-#ifdef HAVE_SETSID
-    {"setsid",          posix_setsid, METH_NOARGS, posix_setsid__doc__},
-#endif /* HAVE_SETSID */
-#ifdef HAVE_SETPGID
-    {"setpgid",         posix_setpgid, METH_VARARGS, posix_setpgid__doc__},
-#endif /* HAVE_SETPGID */
-#ifdef HAVE_TCGETPGRP
-    {"tcgetpgrp",       posix_tcgetpgrp, METH_VARARGS, posix_tcgetpgrp__doc__},
-#endif /* HAVE_TCGETPGRP */
-#ifdef HAVE_TCSETPGRP
-    {"tcsetpgrp",       posix_tcsetpgrp, METH_VARARGS, posix_tcsetpgrp__doc__},
-#endif /* HAVE_TCSETPGRP */
-    {"open",            (PyCFunction)posix_open,\
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_open__doc__},
-    {"close",           posix_close_, METH_VARARGS, posix_close__doc__},
-    {"closerange",      posix_closerange, METH_VARARGS, posix_closerange__doc__},
-    {"device_encoding", device_encoding, METH_VARARGS, device_encoding__doc__},
-    {"dup",             posix_dup, METH_VARARGS, posix_dup__doc__},
-    {"dup2",            (PyCFunction)posix_dup2,
-                        METH_VARARGS | METH_KEYWORDS, posix_dup2__doc__},
-#ifdef HAVE_LOCKF
-    {"lockf",           posix_lockf, METH_VARARGS, posix_lockf__doc__},
-#endif
-    {"lseek",           posix_lseek, METH_VARARGS, posix_lseek__doc__},
-    {"read",            posix_read, METH_VARARGS, posix_read__doc__},
-#ifdef HAVE_READV
-    {"readv",           posix_readv, METH_VARARGS, posix_readv__doc__},
-#endif
-#ifdef HAVE_PREAD
-    {"pread",           posix_pread, METH_VARARGS, posix_pread__doc__},
-#endif
-    {"write",           posix_write, METH_VARARGS, posix_write__doc__},
-#ifdef HAVE_WRITEV
-    {"writev",          posix_writev, METH_VARARGS, posix_writev__doc__},
-#endif
-#ifdef HAVE_PWRITE
-    {"pwrite",          posix_pwrite, METH_VARARGS, posix_pwrite__doc__},
-#endif
+    OS_GETPGID_METHODDEF
+    OS_SETPGRP_METHODDEF
+    OS_WAIT_METHODDEF
+    OS_WAIT3_METHODDEF
+    OS_WAIT4_METHODDEF
+    OS_WAITID_METHODDEF
+    OS_WAITPID_METHODDEF
+    OS_GETSID_METHODDEF
+    OS_SETSID_METHODDEF
+    OS_SETPGID_METHODDEF
+    OS_TCGETPGRP_METHODDEF
+    OS_TCSETPGRP_METHODDEF
+    OS_OPEN_METHODDEF
+    OS_CLOSE_METHODDEF
+    OS_CLOSERANGE_METHODDEF
+    OS_DEVICE_ENCODING_METHODDEF
+    OS_DUP_METHODDEF
+    OS_DUP2_METHODDEF
+    OS_LOCKF_METHODDEF
+    OS_LSEEK_METHODDEF
+    OS_READ_METHODDEF
+    OS_READV_METHODDEF
+    OS_PREAD_METHODDEF
+    OS_WRITE_METHODDEF
+    OS_WRITEV_METHODDEF
+    OS_PWRITE_METHODDEF
 #ifdef HAVE_SENDFILE
     {"sendfile",        (PyCFunction)posix_sendfile, METH_VARARGS | METH_KEYWORDS,
                             posix_sendfile__doc__},
 #endif
-    {"fstat",           posix_fstat, METH_VARARGS, posix_fstat__doc__},
-    {"isatty",          posix_isatty, METH_VARARGS, posix_isatty__doc__},
-#ifdef HAVE_PIPE
-    {"pipe",            posix_pipe, METH_NOARGS, posix_pipe__doc__},
-#endif
-#ifdef HAVE_PIPE2
-    {"pipe2",           posix_pipe2, METH_O, posix_pipe2__doc__},
-#endif
-#ifdef HAVE_MKFIFO
-    {"mkfifo",          (PyCFunction)posix_mkfifo,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_mkfifo__doc__},
-#endif
-#if defined(HAVE_MKNOD) && defined(HAVE_MAKEDEV)
-    {"mknod",           (PyCFunction)posix_mknod,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_mknod__doc__},
-#endif
-#ifdef HAVE_DEVICE_MACROS
-    {"major",           posix_major, METH_VARARGS, posix_major__doc__},
-    {"minor",           posix_minor, METH_VARARGS, posix_minor__doc__},
-    {"makedev",         posix_makedev, METH_VARARGS, posix_makedev__doc__},
-#endif
-#ifdef HAVE_FTRUNCATE
-    {"ftruncate",       posix_ftruncate, METH_VARARGS, posix_ftruncate__doc__},
-#endif
-#ifdef HAVE_TRUNCATE
-    {"truncate",        (PyCFunction)posix_truncate,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_truncate__doc__},
-#endif
-#if defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)
-    {"posix_fallocate", posix_posix_fallocate, METH_VARARGS, posix_posix_fallocate__doc__},
-#endif
-#if defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG)
-    {"posix_fadvise",   posix_posix_fadvise, METH_VARARGS, posix_posix_fadvise__doc__},
-#endif
-#ifdef HAVE_PUTENV
-    {"putenv",          posix_putenv, METH_VARARGS, posix_putenv__doc__},
-#endif
-#ifdef HAVE_UNSETENV
-    {"unsetenv",        posix_unsetenv, METH_VARARGS, posix_unsetenv__doc__},
-#endif
-    {"strerror",        posix_strerror, METH_VARARGS, posix_strerror__doc__},
-#ifdef HAVE_FCHDIR
-    {"fchdir",          posix_fchdir, METH_O, posix_fchdir__doc__},
-#endif
-#ifdef HAVE_FSYNC
-    {"fsync",       posix_fsync, METH_O, posix_fsync__doc__},
-#endif
-#ifdef HAVE_SYNC
-    {"sync",        posix_sync, METH_NOARGS, posix_sync__doc__},
-#endif
-#ifdef HAVE_FDATASYNC
-    {"fdatasync",   posix_fdatasync,  METH_O, posix_fdatasync__doc__},
-#endif
-#ifdef HAVE_SYS_WAIT_H
-#ifdef WCOREDUMP
-    {"WCOREDUMP",       posix_WCOREDUMP, METH_VARARGS, posix_WCOREDUMP__doc__},
-#endif /* WCOREDUMP */
-#ifdef WIFCONTINUED
-    {"WIFCONTINUED",posix_WIFCONTINUED, METH_VARARGS, posix_WIFCONTINUED__doc__},
-#endif /* WIFCONTINUED */
-#ifdef WIFSTOPPED
-    {"WIFSTOPPED",      posix_WIFSTOPPED, METH_VARARGS, posix_WIFSTOPPED__doc__},
-#endif /* WIFSTOPPED */
-#ifdef WIFSIGNALED
-    {"WIFSIGNALED",     posix_WIFSIGNALED, METH_VARARGS, posix_WIFSIGNALED__doc__},
-#endif /* WIFSIGNALED */
-#ifdef WIFEXITED
-    {"WIFEXITED",       posix_WIFEXITED, METH_VARARGS, posix_WIFEXITED__doc__},
-#endif /* WIFEXITED */
-#ifdef WEXITSTATUS
-    {"WEXITSTATUS",     posix_WEXITSTATUS, METH_VARARGS, posix_WEXITSTATUS__doc__},
-#endif /* WEXITSTATUS */
-#ifdef WTERMSIG
-    {"WTERMSIG",        posix_WTERMSIG, METH_VARARGS, posix_WTERMSIG__doc__},
-#endif /* WTERMSIG */
-#ifdef WSTOPSIG
-    {"WSTOPSIG",        posix_WSTOPSIG, METH_VARARGS, posix_WSTOPSIG__doc__},
-#endif /* WSTOPSIG */
-#endif /* HAVE_SYS_WAIT_H */
-#if defined(HAVE_FSTATVFS) && defined(HAVE_SYS_STATVFS_H)
-    {"fstatvfs",        posix_fstatvfs, METH_VARARGS, posix_fstatvfs__doc__},
-#endif
-#if defined(HAVE_STATVFS) && defined(HAVE_SYS_STATVFS_H)
-    {"statvfs",         (PyCFunction)posix_statvfs,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_statvfs__doc__},
-#endif
-#ifdef HAVE_CONFSTR
-    {"confstr",         posix_confstr, METH_VARARGS, posix_confstr__doc__},
-#endif
-#ifdef HAVE_SYSCONF
-    {"sysconf",         posix_sysconf, METH_VARARGS, posix_sysconf__doc__},
-#endif
-#ifdef HAVE_FPATHCONF
-    {"fpathconf",       posix_fpathconf, METH_VARARGS, posix_fpathconf__doc__},
-#endif
-#ifdef HAVE_PATHCONF
-    {"pathconf",        (PyCFunction)posix_pathconf,
-                        METH_VARARGS | METH_KEYWORDS,
-                        posix_pathconf__doc__},
-#endif
-    {"abort",           posix_abort, METH_NOARGS, posix_abort__doc__},
+    OS_FSTAT_METHODDEF
+    OS_ISATTY_METHODDEF
+    OS_PIPE_METHODDEF
+    OS_PIPE2_METHODDEF
+    OS_MKFIFO_METHODDEF
+    OS_MKNOD_METHODDEF
+    OS_MAJOR_METHODDEF
+    OS_MINOR_METHODDEF
+    OS_MAKEDEV_METHODDEF
+    OS_FTRUNCATE_METHODDEF
+    OS_TRUNCATE_METHODDEF
+    OS_POSIX_FALLOCATE_METHODDEF
+    OS_POSIX_FADVISE_METHODDEF
+    OS_PUTENV_METHODDEF
+    OS_UNSETENV_METHODDEF
+    OS_STRERROR_METHODDEF
+    OS_FCHDIR_METHODDEF
+    OS_FSYNC_METHODDEF
+    OS_SYNC_METHODDEF
+    OS_FDATASYNC_METHODDEF
+    OS_WCOREDUMP_METHODDEF
+    OS_WIFCONTINUED_METHODDEF
+    OS_WIFSTOPPED_METHODDEF
+    OS_WIFSIGNALED_METHODDEF
+    OS_WIFEXITED_METHODDEF
+    OS_WEXITSTATUS_METHODDEF
+    OS_WTERMSIG_METHODDEF
+    OS_WSTOPSIG_METHODDEF
+    OS_FSTATVFS_METHODDEF
+    OS_STATVFS_METHODDEF
+    OS_CONFSTR_METHODDEF
+    OS_SYSCONF_METHODDEF
+    OS_FPATHCONF_METHODDEF
+    OS_PATHCONF_METHODDEF
+    OS_ABORT_METHODDEF
 #ifdef MS_WINDOWS
     {"_getfullpathname",        posix__getfullpathname, METH_VARARGS, NULL},
-    {"_getfinalpathname",       posix__getfinalpathname, METH_VARARGS, NULL},
     {"_isdir",                  posix__isdir, METH_VARARGS, posix__isdir__doc__},
-    {"_getdiskusage",           win32__getdiskusage, METH_VARARGS, win32__getdiskusage__doc__},
-    {"_getvolumepathname",      posix__getvolumepathname, METH_VARARGS, posix__getvolumepathname__doc__},
-#endif
-#ifdef HAVE_GETLOADAVG
-    {"getloadavg",      posix_getloadavg, METH_NOARGS, posix_getloadavg__doc__},
-#endif
-    {"urandom",         posix_urandom,   METH_VARARGS, posix_urandom__doc__},
-#ifdef HAVE_SETRESUID
-    {"setresuid",       posix_setresuid, METH_VARARGS, posix_setresuid__doc__},
-#endif
-#ifdef HAVE_SETRESGID
-    {"setresgid",       posix_setresgid, METH_VARARGS, posix_setresgid__doc__},
-#endif
-#ifdef HAVE_GETRESUID
-    {"getresuid",       posix_getresuid, METH_NOARGS, posix_getresuid__doc__},
-#endif
-#ifdef HAVE_GETRESGID
-    {"getresgid",       posix_getresgid, METH_NOARGS, posix_getresgid__doc__},
 #endif
+    OS__GETDISKUSAGE_METHODDEF
+    OS__GETFINALPATHNAME_METHODDEF
+    OS__GETVOLUMEPATHNAME_METHODDEF
+    OS_GETLOADAVG_METHODDEF
+    OS_URANDOM_METHODDEF
+    OS_SETRESUID_METHODDEF
+    OS_SETRESGID_METHODDEF
+    OS_GETRESUID_METHODDEF
+    OS_GETRESGID_METHODDEF
+
+    OS_GETXATTR_METHODDEF
+    OS_SETXATTR_METHODDEF
+    OS_REMOVEXATTR_METHODDEF
+    OS_LISTXATTR_METHODDEF
 
-#ifdef USE_XATTRS
-    {"setxattr", (PyCFunction)posix_setxattr,
-                 METH_VARARGS | METH_KEYWORDS,
-                 posix_setxattr__doc__},
-    {"getxattr", (PyCFunction)posix_getxattr,
-                 METH_VARARGS | METH_KEYWORDS,
-                 posix_getxattr__doc__},
-    {"removexattr", (PyCFunction)posix_removexattr,
-                 METH_VARARGS | METH_KEYWORDS,
-                 posix_removexattr__doc__},
-    {"listxattr", (PyCFunction)posix_listxattr,
-                 METH_VARARGS | METH_KEYWORDS,
-                 posix_listxattr__doc__},
-#endif
 #if defined(TERMSIZE_USE_CONIO) || defined(TERMSIZE_USE_IOCTL)
     {"get_terminal_size", get_terminal_size, METH_VARARGS, termsize__doc__},
 #endif
-    {"cpu_count", (PyCFunction)posix_cpu_count,
-                  METH_NOARGS, posix_cpu_count__doc__},
-    {"get_inheritable", posix_get_inheritable, METH_VARARGS, get_inheritable__doc__},
-    {"set_inheritable", posix_set_inheritable, METH_VARARGS, set_inheritable__doc__},
-#ifdef MS_WINDOWS
-    {"get_handle_inheritable", posix_get_handle_inheritable,
-     METH_VARARGS, get_handle_inheritable__doc__},
-    {"set_handle_inheritable", posix_set_handle_inheritable,
-     METH_VARARGS, set_handle_inheritable__doc__},
+    OS_CPU_COUNT_METHODDEF
+    OS_GET_INHERITABLE_METHODDEF
+    OS_SET_INHERITABLE_METHODDEF
+    OS_GET_HANDLE_INHERITABLE_METHODDEF
+    OS_SET_HANDLE_INHERITABLE_METHODDEF
+#ifndef MS_WINDOWS
+    {"get_blocking", posix_get_blocking, METH_VARARGS, get_blocking__doc__},
+    {"set_blocking", posix_set_blocking, METH_VARARGS, set_blocking__doc__},
 #endif
+    {"scandir",         (PyCFunction)posix_scandir,
+                        METH_VARARGS | METH_KEYWORDS,
+                        posix_scandir__doc__},
     {NULL,              NULL}            /* Sentinel */
 };
 
@@ -12085,15 +12807,6 @@ all_ins(PyObject *m)
 }
 
 
-#if (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__)) && !defined(__QNX__)
-#define INITFUNC PyInit_nt
-#define MODNAME "nt"
-
-#else
-#define INITFUNC PyInit_posix
-#define MODNAME "posix"
-#endif
-
 static struct PyModuleDef posixmodule = {
     PyModuleDef_HEAD_INIT,
     MODNAME,
@@ -12153,7 +12866,7 @@ static char *have_functions[] = {
     "HAVE_FSTATVFS",
 #endif
 
-#ifdef HAVE_FTRUNCATE
+#if defined HAVE_FTRUNCATE || defined MS_WINDOWS
     "HAVE_FTRUNCATE",
 #endif
 
@@ -12307,13 +13020,19 @@ INITFUNC(void)
         sched_param_desc.name = MODNAME ".sched_param";
         if (PyStructSequence_InitType2(&SchedParamType, &sched_param_desc) < 0)
             return NULL;
-        SchedParamType.tp_new = sched_param_new;
+        SchedParamType.tp_new = os_sched_param;
 #endif
 
         /* initialize TerminalSize_info */
         if (PyStructSequence_InitType2(&TerminalSizeType,
                                        &TerminalSize_desc) < 0)
             return NULL;
+
+        /* initialize scandir types */
+        if (PyType_Ready(&ScandirIteratorType) < 0)
+            return NULL;
+        if (PyType_Ready(&DirEntryType) < 0)
+            return NULL;
     }
 #if defined(HAVE_WAITID) && !defined(__APPLE__)
     Py_INCREF((PyObject*) &WaitidResultType);
diff --git a/Modules/pwdmodule.c b/Modules/pwdmodule.c
index ebb8712..281c30b 100644
--- a/Modules/pwdmodule.c
+++ b/Modules/pwdmodule.c
@@ -6,6 +6,12 @@
 
 #include <pwd.h>
 
+#include "clinic/pwdmodule.c.h"
+/*[clinic input]
+module pwd
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=60f628ef356b97b6]*/
+
 static PyStructSequence_Field struct_pwd_type_fields[] = {
     {"pw_name", "user name"},
     {"pw_passwd", "password"},
@@ -87,18 +93,25 @@ mkpwent(struct passwd *p)
     return v;
 }
 
-PyDoc_STRVAR(pwd_getpwuid__doc__,
-"getpwuid(uid) -> (pw_name,pw_passwd,pw_uid,\n\
-                  pw_gid,pw_gecos,pw_dir,pw_shell)\n\
-Return the password database entry for the given numeric user ID.\n\
-See help(pwd) for more on password database entries.");
+/*[clinic input]
+pwd.getpwuid
+
+    uidobj: object
+    /
+
+Return the password database entry for the given numeric user ID.
+
+See `help(pwd)` for more on password database entries.
+[clinic start generated code]*/
 
 static PyObject *
-pwd_getpwuid(PyObject *self, PyObject *args)
+pwd_getpwuid(PyModuleDef *module, PyObject *uidobj)
+/*[clinic end generated code: output=cba29ae4c2bcb8e1 input=ae64d507a1c6d3e8]*/
 {
     uid_t uid;
     struct passwd *p;
-    if (!PyArg_ParseTuple(args, "O&:getpwuid", _Py_Uid_Converter, &uid)) {
+
+    if (!_Py_Uid_Converter(uidobj, &uid)) {
         if (PyErr_ExceptionMatches(PyExc_OverflowError))
             PyErr_Format(PyExc_KeyError,
                          "getpwuid(): uid not found");
@@ -116,21 +129,25 @@ pwd_getpwuid(PyObject *self, PyObject *args)
     return mkpwent(p);
 }
 
-PyDoc_STRVAR(pwd_getpwnam__doc__,
-"getpwnam(name) -> (pw_name,pw_passwd,pw_uid,\n\
-                    pw_gid,pw_gecos,pw_dir,pw_shell)\n\
-Return the password database entry for the given user name.\n\
-See help(pwd) for more on password database entries.");
+/*[clinic input]
+pwd.getpwnam
+
+    arg: unicode
+    /
+
+Return the password database entry for the given user name.
+
+See `help(pwd)` for more on password database entries.
+[clinic start generated code]*/
 
 static PyObject *
-pwd_getpwnam(PyObject *self, PyObject *args)
+pwd_getpwnam_impl(PyModuleDef *module, PyObject *arg)
+/*[clinic end generated code: output=66848d42d386fca3 input=d5f7e700919b02d3]*/
 {
     char *name;
     struct passwd *p;
-    PyObject *arg, *bytes, *retval = NULL;
+    PyObject *bytes, *retval = NULL;
 
-    if (!PyArg_ParseTuple(args, "U:getpwnam", &arg))
-        return NULL;
     if ((bytes = PyUnicode_EncodeFSDefault(arg)) == NULL)
         return NULL;
     if (PyBytes_AsStringAndSize(bytes, &name, NULL) == -1)
@@ -147,14 +164,17 @@ out:
 }
 
 #ifdef HAVE_GETPWENT
-PyDoc_STRVAR(pwd_getpwall__doc__,
-"getpwall() -> list_of_entries\n\
-Return a list of all available password database entries, \
-in arbitrary order.\n\
-See help(pwd) for more on password database entries.");
+/*[clinic input]
+pwd.getpwall
+
+Return a list of all available password database entries, in arbitrary order.
+
+See help(pwd) for more on password database entries.
+[clinic start generated code]*/
 
 static PyObject *
-pwd_getpwall(PyObject *self)
+pwd_getpwall_impl(PyModuleDef *module)
+/*[clinic end generated code: output=ab30e37bf26d431d input=d7ecebfd90219b85]*/
 {
     PyObject *d;
     struct passwd *p;
@@ -177,11 +197,10 @@ pwd_getpwall(PyObject *self)
 #endif
 
 static PyMethodDef pwd_methods[] = {
-    {"getpwuid",        pwd_getpwuid, METH_VARARGS, pwd_getpwuid__doc__},
-    {"getpwnam",        pwd_getpwnam, METH_VARARGS, pwd_getpwnam__doc__},
+    PWD_GETPWUID_METHODDEF
+    PWD_GETPWNAM_METHODDEF
 #ifdef HAVE_GETPWENT
-    {"getpwall",        (PyCFunction)pwd_getpwall,
-        METH_NOARGS,  pwd_getpwall__doc__},
+    PWD_GETPWALL_METHODDEF
 #endif
     {NULL,              NULL}           /* sentinel */
 };
diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index 19be0c7..706319e 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -6,6 +6,13 @@
 
 #include "pyexpat.h"
 
+/* Do not emit Clinic output to a file as that wreaks havoc with conditionally
+   included methods. */
+/*[clinic input]
+module pyexpat
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=b168d503a4490c15]*/
+
 #define XML_COMBINED_VERSION (10000*XML_MAJOR_VERSION+100*XML_MINOR_VERSION+XML_MICRO_VERSION)
 
 static XML_Memory_Handling_Suite ExpatMemoryHandler = {
@@ -61,6 +68,8 @@ typedef struct {
     PyObject **handlers;
 } xmlparseobject;
 
+#include "clinic/pyexpat.c.h"
+
 #define CHARACTER_DATA_BUFFER_SIZE 8192
 
 static PyTypeObject Xmlparsetype;
@@ -671,6 +680,11 @@ VOID_HANDLER(StartDoctypeDecl,
 VOID_HANDLER(EndDoctypeDecl, (void *userData), ("()"))
 
 /* ---------------------------------------------------------------- */
+/*[clinic input]
+class pyexpat.xmlparser "xmlparseobject *" "&Xmlparsetype"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=2393162385232e1c]*/
+
 
 static PyObject *
 get_parse_result(xmlparseobject *self, int rv)
@@ -687,25 +701,30 @@ get_parse_result(xmlparseobject *self, int rv)
     return PyLong_FromLong(rv);
 }
 
-PyDoc_STRVAR(xmlparse_Parse__doc__,
-"Parse(data[, isfinal])\n\
-Parse XML data.  `isfinal' should be true at end of input.");
-
 #define MAX_CHUNK_SIZE (1 << 20)
 
+/*[clinic input]
+pyexpat.xmlparser.Parse
+
+    data: object
+    isFinal: int = 0
+    /
+
+Parse XML data.
+
+`isfinal' should be true at end of input.
+[clinic start generated code]*/
+
 static PyObject *
-xmlparse_Parse(xmlparseobject *self, PyObject *args)
+pyexpat_xmlparser_Parse_impl(xmlparseobject *self, PyObject *data,
+                             int isFinal)
+/*[clinic end generated code: output=37e105d55645b0f2 input=e37b81b8948ca7e0]*/
 {
-    PyObject *data;
-    int isFinal = 0;
     const char *s;
     Py_ssize_t slen;
     Py_buffer view;
     int rc;
 
-    if (!PyArg_ParseTuple(args, "O|i:Parse", &data, &isFinal))
-        return NULL;
-
     if (PyUnicode_Check(data)) {
         view.buf = NULL;
         s = PyUnicode_AsUTF8AndSize(data, &slen);
@@ -780,18 +799,24 @@ error:
     return -1;
 }
 
-PyDoc_STRVAR(xmlparse_ParseFile__doc__,
-"ParseFile(file)\n\
-Parse XML data from file-like object.");
+/*[clinic input]
+pyexpat.xmlparser.ParseFile
+
+    file: object
+    /
+
+Parse XML data from file-like object.
+[clinic start generated code]*/
 
 static PyObject *
-xmlparse_ParseFile(xmlparseobject *self, PyObject *f)
+pyexpat_xmlparser_ParseFile(xmlparseobject *self, PyObject *file)
+/*[clinic end generated code: output=2adc6a13100cc42b input=fbb5a12b6038d735]*/
 {
     int rv = 1;
     PyObject *readmethod = NULL;
     _Py_IDENTIFIER(read);
 
-    readmethod = _PyObject_GetAttrId(f, &PyId_read);
+    readmethod = _PyObject_GetAttrId(file, &PyId_read);
     if (readmethod == NULL) {
         PyErr_SetString(PyExc_TypeError,
                         "argument must have 'read' attribute");
@@ -823,42 +848,50 @@ xmlparse_ParseFile(xmlparseobject *self, PyObject *f)
     return get_parse_result(self, rv);
 }
 
-PyDoc_STRVAR(xmlparse_SetBase__doc__,
-"SetBase(base_url)\n\
-Set the base URL for the parser.");
+/*[clinic input]
+pyexpat.xmlparser.SetBase
+
+    base: str
+    /
+
+Set the base URL for the parser.
+[clinic start generated code]*/
 
 static PyObject *
-xmlparse_SetBase(xmlparseobject *self, PyObject *args)
+pyexpat_xmlparser_SetBase_impl(xmlparseobject *self, const char *base)
+/*[clinic end generated code: output=c212ddceb607b539 input=c684e5de895ee1a8]*/
 {
-    char *base;
-
-    if (!PyArg_ParseTuple(args, "s:SetBase", &base))
-        return NULL;
     if (!XML_SetBase(self->itself, base)) {
         return PyErr_NoMemory();
     }
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(xmlparse_GetBase__doc__,
-"GetBase() -> url\n\
-Return base URL string for the parser.");
+/*[clinic input]
+pyexpat.xmlparser.GetBase
+
+Return base URL string for the parser.
+[clinic start generated code]*/
 
 static PyObject *
-xmlparse_GetBase(xmlparseobject *self, PyObject *unused)
+pyexpat_xmlparser_GetBase_impl(xmlparseobject *self)
+/*[clinic end generated code: output=2886cb21f9a8739a input=918d71c38009620e]*/
 {
     return Py_BuildValue("z", XML_GetBase(self->itself));
 }
 
-PyDoc_STRVAR(xmlparse_GetInputContext__doc__,
-"GetInputContext() -> string\n\
-Return the untranslated text of the input that caused the current event.\n\
-If the event was generated by a large amount of text (such as a start tag\n\
-for an element with many attributes), not all of the text may be available.");
+/*[clinic input]
+pyexpat.xmlparser.GetInputContext
+
+Return the untranslated text of the input that caused the current event.
+
+If the event was generated by a large amount of text (such as a start tag
+for an element with many attributes), not all of the text may be available.
+[clinic start generated code]*/
 
 static PyObject *
-xmlparse_GetInputContext(xmlparseobject *self, PyObject *unused)
+pyexpat_xmlparser_GetInputContext_impl(xmlparseobject *self)
+/*[clinic end generated code: output=a88026d683fc22cc input=034df8712db68379]*/
 {
     if (self->in_callback) {
         int offset, size;
@@ -875,24 +908,25 @@ xmlparse_GetInputContext(xmlparseobject *self, PyObject *unused)
         Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(xmlparse_ExternalEntityParserCreate__doc__,
-"ExternalEntityParserCreate(context[, encoding])\n\
-Create a parser for parsing an external entity based on the\n\
-information passed to the ExternalEntityRefHandler.");
+/*[clinic input]
+pyexpat.xmlparser.ExternalEntityParserCreate
+
+    context: str(nullable=True)
+    encoding: str = NULL
+    /
+
+Create a parser for parsing an external entity based on the information passed to the ExternalEntityRefHandler.
+[clinic start generated code]*/
 
 static PyObject *
-xmlparse_ExternalEntityParserCreate(xmlparseobject *self, PyObject *args)
+pyexpat_xmlparser_ExternalEntityParserCreate_impl(xmlparseobject *self,
+                                                  const char *context,
+                                                  const char *encoding)
+/*[clinic end generated code: output=535cda9d7a0fbcd6 input=283206575d960272]*/
 {
-    char *context;
-    char *encoding = NULL;
     xmlparseobject *new_parser;
     int i;
 
-    if (!PyArg_ParseTuple(args, "z|s:ExternalEntityParserCreate",
-                          &context, &encoding)) {
-        return NULL;
-    }
-
     new_parser = PyObject_GC_New(xmlparseobject, &Xmlparsetype);
     if (new_parser == NULL)
         return NULL;
@@ -948,41 +982,49 @@ xmlparse_ExternalEntityParserCreate(xmlparseobject *self, PyObject *args)
     return (PyObject *)new_parser;
 }
 
-PyDoc_STRVAR(xmlparse_SetParamEntityParsing__doc__,
-"SetParamEntityParsing(flag) -> success\n\
-Controls parsing of parameter entities (including the external DTD\n\
-subset). Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,\n\
-XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and\n\
-XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag\n\
-was successful.");
+/*[clinic input]
+pyexpat.xmlparser.SetParamEntityParsing
 
-static PyObject*
-xmlparse_SetParamEntityParsing(xmlparseobject *p, PyObject* args)
+    flag: int
+    /
+
+Controls parsing of parameter entities (including the external DTD subset).
+
+Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,
+XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and
+XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag
+was successful.
+[clinic start generated code]*/
+
+static PyObject *
+pyexpat_xmlparser_SetParamEntityParsing_impl(xmlparseobject *self, int flag)
+/*[clinic end generated code: output=18668ee8e760d64c input=8aea19b4b15e9af1]*/
 {
-    int flag;
-    if (!PyArg_ParseTuple(args, "i", &flag))
-        return NULL;
-    flag = XML_SetParamEntityParsing(p->itself, flag);
+    flag = XML_SetParamEntityParsing(self->itself, flag);
     return PyLong_FromLong(flag);
 }
 
 
 #if XML_COMBINED_VERSION >= 19505
-PyDoc_STRVAR(xmlparse_UseForeignDTD__doc__,
-"UseForeignDTD([flag])\n\
-Allows the application to provide an artificial external subset if one is\n\
-not specified as part of the document instance.  This readily allows the\n\
-use of a 'default' document type controlled by the application, while still\n\
-getting the advantage of providing document type information to the parser.\n\
-'flag' defaults to True if not provided.");
+/*[clinic input]
+pyexpat.xmlparser.UseForeignDTD
+
+    flag: bool = True
+    /
+
+Allows the application to provide an artificial external subset if one is not specified as part of the document instance.
+
+This readily allows the use of a 'default' document type controlled by the
+application, while still getting the advantage of providing document type
+information to the parser. 'flag' defaults to True if not provided.
+[clinic start generated code]*/
 
 static PyObject *
-xmlparse_UseForeignDTD(xmlparseobject *self, PyObject *args)
+pyexpat_xmlparser_UseForeignDTD_impl(xmlparseobject *self, int flag)
+/*[clinic end generated code: output=cfaa9aa50bb0f65c input=78144c519d116a6e]*/
 {
-    int flag = 1;
     enum XML_Error rc;
-    if (!PyArg_ParseTuple(args, "|p:UseForeignDTD", &flag))
-        return NULL;
+
     rc = XML_UseForeignDTD(self->itself, flag ? XML_TRUE : XML_FALSE);
     if (rc != XML_ERROR_NONE) {
         return set_error(self, rc);
@@ -992,29 +1034,70 @@ xmlparse_UseForeignDTD(xmlparseobject *self, PyObject *args)
 }
 #endif
 
-static PyObject *xmlparse_dir(PyObject *self, PyObject* noargs);
+/*[clinic input]
+pyexpat.xmlparser.__dir__
+[clinic start generated code]*/
+
+static PyObject *
+pyexpat_xmlparser___dir___impl(xmlparseobject *self)
+/*[clinic end generated code: output=bc22451efb9e4d17 input=76aa455f2a661384]*/
+{
+#define APPEND(list, str)                               \
+        do {                                            \
+                PyObject *o = PyUnicode_FromString(str);        \
+                if (o != NULL)                          \
+                        PyList_Append(list, o);         \
+                Py_XDECREF(o);                          \
+        } while (0)
+
+    int i;
+    PyObject *rc = PyList_New(0);
+    if (!rc)
+        return NULL;
+    for (i = 0; handler_info[i].name != NULL; i++) {
+        PyObject *o = get_handler_name(&handler_info[i]);
+        if (o != NULL)
+            PyList_Append(rc, o);
+        Py_XDECREF(o);
+    }
+    APPEND(rc, "ErrorCode");
+    APPEND(rc, "ErrorLineNumber");
+    APPEND(rc, "ErrorColumnNumber");
+    APPEND(rc, "ErrorByteIndex");
+    APPEND(rc, "CurrentLineNumber");
+    APPEND(rc, "CurrentColumnNumber");
+    APPEND(rc, "CurrentByteIndex");
+    APPEND(rc, "buffer_size");
+    APPEND(rc, "buffer_text");
+    APPEND(rc, "buffer_used");
+    APPEND(rc, "namespace_prefixes");
+    APPEND(rc, "ordered_attributes");
+    APPEND(rc, "specified_attributes");
+    APPEND(rc, "intern");
+
+#undef APPEND
+
+    if (PyErr_Occurred()) {
+        Py_DECREF(rc);
+        rc = NULL;
+    }
+
+    return rc;
+}
 
 static struct PyMethodDef xmlparse_methods[] = {
-    {"Parse",     (PyCFunction)xmlparse_Parse,
-                  METH_VARARGS, xmlparse_Parse__doc__},
-    {"ParseFile", (PyCFunction)xmlparse_ParseFile,
-                  METH_O,       xmlparse_ParseFile__doc__},
-    {"SetBase",   (PyCFunction)xmlparse_SetBase,
-                  METH_VARARGS, xmlparse_SetBase__doc__},
-    {"GetBase",   (PyCFunction)xmlparse_GetBase,
-                  METH_NOARGS, xmlparse_GetBase__doc__},
-    {"ExternalEntityParserCreate", (PyCFunction)xmlparse_ExternalEntityParserCreate,
-                  METH_VARARGS, xmlparse_ExternalEntityParserCreate__doc__},
-    {"SetParamEntityParsing", (PyCFunction)xmlparse_SetParamEntityParsing,
-                  METH_VARARGS, xmlparse_SetParamEntityParsing__doc__},
-    {"GetInputContext", (PyCFunction)xmlparse_GetInputContext,
-                  METH_NOARGS, xmlparse_GetInputContext__doc__},
+    PYEXPAT_XMLPARSER_PARSE_METHODDEF
+    PYEXPAT_XMLPARSER_PARSEFILE_METHODDEF
+    PYEXPAT_XMLPARSER_SETBASE_METHODDEF
+    PYEXPAT_XMLPARSER_GETBASE_METHODDEF
+    PYEXPAT_XMLPARSER_GETINPUTCONTEXT_METHODDEF
+    PYEXPAT_XMLPARSER_EXTERNALENTITYPARSERCREATE_METHODDEF
+    PYEXPAT_XMLPARSER_SETPARAMENTITYPARSING_METHODDEF
 #if XML_COMBINED_VERSION >= 19505
-    {"UseForeignDTD", (PyCFunction)xmlparse_UseForeignDTD,
-                  METH_VARARGS, xmlparse_UseForeignDTD__doc__},
+    PYEXPAT_XMLPARSER_USEFOREIGNDTD_METHODDEF
 #endif
-    {"__dir__", xmlparse_dir, METH_NOARGS},
-    {NULL,        NULL}         /* sentinel */
+    PYEXPAT_XMLPARSER___DIR___METHODDEF
+    {NULL, NULL}  /* sentinel */
 };
 
 /* ---------- */
@@ -1077,7 +1160,7 @@ PyUnknownEncodingHandler(void *encodingHandlerData,
 
 
 static PyObject *
-newxmlparseobject(char *encoding, char *namespace_separator, PyObject *intern)
+newxmlparseobject(const char *encoding, const char *namespace_separator, PyObject *intern)
 {
     int i;
     xmlparseobject *self;
@@ -1255,52 +1338,6 @@ xmlparse_getattro(xmlparseobject *self, PyObject *nameobj)
     return PyObject_GenericGetAttr((PyObject*)self, nameobj);
 }
 
-static PyObject *
-xmlparse_dir(PyObject *self, PyObject* noargs)
-{
-#define APPEND(list, str)                               \
-        do {                                            \
-                PyObject *o = PyUnicode_FromString(str);        \
-                if (o != NULL)                          \
-                        PyList_Append(list, o);         \
-                Py_XDECREF(o);                          \
-        } while (0)
-
-    int i;
-    PyObject *rc = PyList_New(0);
-    if (!rc)
-        return NULL;
-    for (i = 0; handler_info[i].name != NULL; i++) {
-        PyObject *o = get_handler_name(&handler_info[i]);
-        if (o != NULL)
-            PyList_Append(rc, o);
-        Py_XDECREF(o);
-    }
-    APPEND(rc, "ErrorCode");
-    APPEND(rc, "ErrorLineNumber");
-    APPEND(rc, "ErrorColumnNumber");
-    APPEND(rc, "ErrorByteIndex");
-    APPEND(rc, "CurrentLineNumber");
-    APPEND(rc, "CurrentColumnNumber");
-    APPEND(rc, "CurrentByteIndex");
-    APPEND(rc, "buffer_size");
-    APPEND(rc, "buffer_text");
-    APPEND(rc, "buffer_used");
-    APPEND(rc, "namespace_prefixes");
-    APPEND(rc, "ordered_attributes");
-    APPEND(rc, "specified_attributes");
-    APPEND(rc, "intern");
-
-#undef APPEND
-
-    if (PyErr_Occurred()) {
-        Py_DECREF(rc);
-        rc = NULL;
-    }
-
-    return rc;
-}
-
 static int
 sethandler(xmlparseobject *self, PyObject *name, PyObject* v)
 {
@@ -1506,24 +1543,24 @@ static PyTypeObject Xmlparsetype = {
 /* End of code for xmlparser objects */
 /* -------------------------------------------------------- */
 
-PyDoc_STRVAR(pyexpat_ParserCreate__doc__,
-"ParserCreate([encoding[, namespace_separator]]) -> parser\n\
-Return a new XML parser object.");
+/*[clinic input]
+pyexpat.ParserCreate
+
+    encoding: str(nullable=True) = NULL
+    namespace_separator: str(nullable=True) = NULL
+    intern: object = NULL
+
+Return a new XML parser object.
+[clinic start generated code]*/
 
 static PyObject *
-pyexpat_ParserCreate(PyObject *notused, PyObject *args, PyObject *kw)
+pyexpat_ParserCreate_impl(PyModuleDef *module, const char *encoding,
+                          const char *namespace_separator, PyObject *intern)
+/*[clinic end generated code: output=81fccd233e1743a8 input=71b9f471aa6f8f86]*/
 {
-    char *encoding = NULL;
-    char *namespace_separator = NULL;
-    PyObject *intern = NULL;
     PyObject *result;
     int intern_decref = 0;
-    static char *kwlist[] = {"encoding", "namespace_separator",
-                                   "intern", NULL};
 
-    if (!PyArg_ParseTupleAndKeywords(args, kw, "|zzO:ParserCreate", kwlist,
-                                     &encoding, &namespace_separator, &intern))
-        return NULL;
     if (namespace_separator != NULL
         && strlen(namespace_separator) > 1) {
         PyErr_SetString(PyExc_ValueError,
@@ -1553,29 +1590,28 @@ pyexpat_ParserCreate(PyObject *notused, PyObject *args, PyObject *kw)
     return result;
 }
 
-PyDoc_STRVAR(pyexpat_ErrorString__doc__,
-"ErrorString(errno) -> string\n\
-Returns string error for given number.");
+/*[clinic input]
+pyexpat.ErrorString
+
+    code: long
+    /
+
+Returns string error for given number.
+[clinic start generated code]*/
 
 static PyObject *
-pyexpat_ErrorString(PyObject *self, PyObject *args)
+pyexpat_ErrorString_impl(PyModuleDef *module, long code)
+/*[clinic end generated code: output=d87668108b6868e5 input=cc67de010d9e62b3]*/
 {
-    long code = 0;
-
-    if (!PyArg_ParseTuple(args, "l:ErrorString", &code))
-        return NULL;
     return Py_BuildValue("z", XML_ErrorString((int)code));
 }
 
 /* List of methods defined in the module */
 
 static struct PyMethodDef pyexpat_methods[] = {
-    {"ParserCreate",    (PyCFunction)pyexpat_ParserCreate,
-     METH_VARARGS|METH_KEYWORDS, pyexpat_ParserCreate__doc__},
-    {"ErrorString",     (PyCFunction)pyexpat_ErrorString,
-     METH_VARARGS,      pyexpat_ErrorString__doc__},
-
-    {NULL,       (PyCFunction)NULL, 0, NULL}            /* sentinel */
+    PYEXPAT_PARSERCREATE_METHODDEF
+    PYEXPAT_ERRORSTRING_METHODDEF
+    {NULL, NULL}  /* sentinel */
 };
 
 /* Module docstring */
@@ -1593,16 +1629,6 @@ PyDoc_STRVAR(pyexpat_module_documentation,
 #define MODULE_INITFUNC PyInit_pyexpat
 #endif
 
-#ifndef PyMODINIT_FUNC
-#   ifdef MS_WINDOWS
-#       define PyMODINIT_FUNC __declspec(dllexport) void
-#   else
-#       define PyMODINIT_FUNC void
-#   endif
-#endif
-
-PyMODINIT_FUNC MODULE_INITFUNC(void);  /* avoid compiler warnings */
-
 static struct PyModuleDef pyexpatmodule = {
         PyModuleDef_HEAD_INIT,
         MODULE_NAME,
@@ -1660,7 +1686,7 @@ MODULE_INITFUNC(void)
     PyModule_AddObject(m, "XMLParserType", (PyObject *) &Xmlparsetype);
 
     PyModule_AddStringConstant(m, "EXPAT_VERSION",
-                               (char *) XML_ExpatVersion());
+                               XML_ExpatVersion());
     {
         XML_Expat_Version info = XML_ExpatVersionInfo();
         PyModule_AddObject(m, "version_info",
@@ -1740,7 +1766,7 @@ MODULE_INITFUNC(void)
 
 #define MYCONST(name) \
     if (PyModule_AddStringConstant(errors_module, #name,               \
-                                   (char *)XML_ErrorString(name)) < 0) \
+                                   XML_ErrorString(name)) < 0)         \
         return NULL;                                                   \
     tmpnum = PyLong_FromLong(name);                                    \
     if (tmpnum == NULL) return NULL;                                   \
@@ -1951,3 +1977,8 @@ static struct HandlerInfo handler_info[] = {
 
     {NULL, NULL, NULL} /* sentinel */
 };
+
+/*[clinic input]
+dump buffer
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=524ce2e021e4eba6]*/
diff --git a/Modules/readline.c b/Modules/readline.c
index f349d3b..26dfffb 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -237,6 +237,43 @@ Save a readline history file.\n\
 The default filename is ~/.history.");
 
 
+#ifdef HAVE_RL_APPEND_HISTORY
+/* Exported function to save part of a readline history file */
+
+static PyObject *
+append_history_file(PyObject *self, PyObject *args)
+{
+    int nelements;
+    PyObject *filename_obj = Py_None, *filename_bytes;
+    char *filename;
+    int err;
+    if (!PyArg_ParseTuple(args, "i|O:append_history_file", &nelements, &filename_obj))
+        return NULL;
+    if (filename_obj != Py_None) {
+        if (!PyUnicode_FSConverter(filename_obj, &filename_bytes))
+            return NULL;
+        filename = PyBytes_AsString(filename_bytes);
+    } else {
+        filename_bytes = NULL;
+        filename = NULL;
+    }
+    errno = err = append_history(nelements, filename);
+    if (!err && _history_length >= 0)
+        history_truncate_file(filename, _history_length);
+    Py_XDECREF(filename_bytes);
+    errno = err;
+    if (errno)
+        return PyErr_SetFromErrno(PyExc_IOError);
+    Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(doc_append_history_file,
+"append_history_file(nelements[, filename]) -> None\n\
+Append the last nelements of the history list to file.\n\
+The default filename is ~/.history.");
+#endif
+
+
 /* Set history length */
 
 static PyObject*
@@ -747,6 +784,10 @@ static struct PyMethodDef readline_methods[] =
      METH_VARARGS, doc_read_history_file},
     {"write_history_file", write_history_file,
      METH_VARARGS, doc_write_history_file},
+#ifdef HAVE_RL_APPEND_HISTORY
+    {"append_history_file", append_history_file,
+     METH_VARARGS, doc_append_history_file},
+#endif
     {"get_history_item", get_history_item,
      METH_VARARGS, doc_get_history_item},
     {"get_current_history_length", (PyCFunction)get_current_history_length,
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index ffaf865..590aeca 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -193,51 +193,32 @@ select_select(PyObject *self, PyObject *args)
 #endif /* SELECT_USES_HEAP */
     PyObject *ifdlist, *ofdlist, *efdlist;
     PyObject *ret = NULL;
-    PyObject *tout = Py_None;
+    PyObject *timeout_obj = Py_None;
     fd_set ifdset, ofdset, efdset;
     struct timeval tv, *tvp;
     int imax, omax, emax, max;
     int n;
+    _PyTime_t timeout, deadline = 0;
 
     /* convert arguments */
     if (!PyArg_UnpackTuple(args, "select", 3, 4,
-                          &ifdlist, &ofdlist, &efdlist, &tout))
+                          &ifdlist, &ofdlist, &efdlist, &timeout_obj))
         return NULL;
 
-    if (tout == Py_None)
-        tvp = (struct timeval *)0;
-    else if (!PyNumber_Check(tout)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "timeout must be a float or None");
-        return NULL;
-    }
+    if (timeout_obj == Py_None)
+        tvp = (struct timeval *)NULL;
     else {
-        /* On OpenBSD 5.4, timeval.tv_sec is a long.
-         * Example: long is 64-bit, whereas time_t is 32-bit. */
-        time_t sec;
-        /* On OS X 64-bit, timeval.tv_usec is an int (and thus still 4
-           bytes as required), but no longer defined by a long. */
-        long usec;
-        if (_PyTime_ObjectToTimeval(tout, &sec, &usec,
-                                    _PyTime_ROUND_UP) == -1)
-            return NULL;
-#ifdef MS_WINDOWS
-        /* On Windows, timeval.tv_sec is a long (32 bit),
-         * whereas time_t can be 64-bit. */
-        assert(sizeof(tv.tv_sec) == sizeof(long));
-#if SIZEOF_TIME_T > SIZEOF_LONG
-        if (sec > LONG_MAX) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "timeout is too large");
+        if (_PyTime_FromSecondsObject(&timeout, timeout_obj,
+                                      _PyTime_ROUND_CEILING) < 0) {
+            if (PyErr_ExceptionMatches(PyExc_TypeError)) {
+                PyErr_SetString(PyExc_TypeError,
+                                "timeout must be a float or None");
+            }
             return NULL;
         }
-#endif
-        tv.tv_sec = (long)sec;
-#else
-        assert(sizeof(tv.tv_sec) >= sizeof(sec));
-        tv.tv_sec = sec;
-#endif
-        tv.tv_usec = usec;
+
+        if (_PyTime_AsTimeval(timeout, &tv, _PyTime_ROUND_CEILING) == -1)
+            return NULL;
         if (tv.tv_sec < 0) {
             PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
             return NULL;
@@ -245,7 +226,6 @@ select_select(PyObject *self, PyObject *args)
         tvp = &tv;
     }
 
-
 #ifdef SELECT_USES_HEAP
     /* Allocate memory for the lists */
     rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
@@ -258,6 +238,7 @@ select_select(PyObject *self, PyObject *args)
         return PyErr_NoMemory();
     }
 #endif /* SELECT_USES_HEAP */
+
     /* Convert sequences to fd_sets, and get maximum fd number
      * propagates the Python exception set in seq2set()
      */
@@ -270,13 +251,37 @@ select_select(PyObject *self, PyObject *args)
         goto finally;
     if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
         goto finally;
+
     max = imax;
     if (omax > max) max = omax;
     if (emax > max) max = emax;
 
-    Py_BEGIN_ALLOW_THREADS
-    n = select(max, &ifdset, &ofdset, &efdset, tvp);
-    Py_END_ALLOW_THREADS
+    if (tvp)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        errno = 0;
+        n = select(max, &ifdset, &ofdset, &efdset, tvp);
+        Py_END_ALLOW_THREADS
+
+        if (errno != EINTR)
+            break;
+
+        /* select() was interrupted by a signal */
+        if (PyErr_CheckSignals())
+            goto finally;
+
+        if (tvp) {
+            timeout = deadline - _PyTime_GetMonotonicClock();
+            if (timeout < 0) {
+                n = 0;
+                break;
+            }
+            _PyTime_AsTimeval_noraise(timeout, &tv, _PyTime_ROUND_CEILING);
+            /* retry select() with the recomputed timeout */
+        }
+    } while (1);
 
 #ifdef MS_WINDOWS
     if (n == SOCKET_ERROR) {
@@ -516,30 +521,39 @@ any descriptors that have events or errors to report.");
 static PyObject *
 poll_poll(pollObject *self, PyObject *args)
 {
-    PyObject *result_list = NULL, *tout = NULL;
-    int timeout = 0, poll_result, i, j;
+    PyObject *result_list = NULL, *timeout_obj = NULL;
+    int poll_result, i, j;
     PyObject *value = NULL, *num = NULL;
+    _PyTime_t timeout, ms, deadline;
+    int async_err = 0;
 
-    if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
+    if (!PyArg_ParseTuple(args, "|O:poll", &timeout_obj)) {
         return NULL;
     }
 
     /* Check values for timeout */
-    if (tout == NULL || tout == Py_None)
+    if (timeout_obj == NULL || timeout_obj == Py_None) {
         timeout = -1;
-    else if (!PyNumber_Check(tout)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "timeout must be an integer or None");
-        return NULL;
+        ms = -1;
+        deadline = 0;   /* initialize to prevent gcc warning */
     }
     else {
-        tout = PyNumber_Long(tout);
-        if (!tout)
+        if (_PyTime_FromMillisecondsObject(&timeout, timeout_obj,
+                                           _PyTime_ROUND_CEILING) < 0) {
+            if (PyErr_ExceptionMatches(PyExc_TypeError)) {
+                PyErr_SetString(PyExc_TypeError,
+                                "timeout must be an integer or None");
+            }
             return NULL;
-        timeout = _PyLong_AsInt(tout);
-        Py_DECREF(tout);
-        if (timeout == -1 && PyErr_Occurred())
+        }
+
+        ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+        if (ms < INT_MIN || ms > INT_MAX) {
+            PyErr_SetString(PyExc_OverflowError, "timeout is too large");
             return NULL;
+        }
+
+        deadline = _PyTime_GetMonotonicClock() + timeout;
     }
 
     /* Avoid concurrent poll() invocation, issue 8865 */
@@ -557,14 +571,38 @@ poll_poll(pollObject *self, PyObject *args)
     self->poll_running = 1;
 
     /* call poll() */
-    Py_BEGIN_ALLOW_THREADS
-    poll_result = poll(self->ufds, self->ufd_len, timeout);
-    Py_END_ALLOW_THREADS
+    async_err = 0;
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        errno = 0;
+        poll_result = poll(self->ufds, self->ufd_len, (int)ms);
+        Py_END_ALLOW_THREADS
+
+        if (errno != EINTR)
+            break;
+
+        /* poll() was interrupted by a signal */
+        if (PyErr_CheckSignals()) {
+            async_err = 1;
+            break;
+        }
+
+        if (timeout >= 0) {
+            timeout = deadline - _PyTime_GetMonotonicClock();
+            if (timeout < 0) {
+                poll_result = 0;
+                break;
+            }
+            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+            /* retry poll() with the recomputed timeout */
+        }
+    } while (1);
 
     self->poll_running = 0;
 
     if (poll_result < 0) {
-        PyErr_SetFromErrno(PyExc_OSError);
+        if (!async_err)
+            PyErr_SetFromErrno(PyExc_OSError);
         return NULL;
     }
 
@@ -573,41 +611,40 @@ poll_poll(pollObject *self, PyObject *args)
     result_list = PyList_New(poll_result);
     if (!result_list)
         return NULL;
-    else {
-        for (i = 0, j = 0; j < poll_result; j++) {
-            /* skip to the next fired descriptor */
-            while (!self->ufds[i].revents) {
-                i++;
-            }
-            /* if we hit a NULL return, set value to NULL
-               and break out of loop; code at end will
-               clean up result_list */
-            value = PyTuple_New(2);
-            if (value == NULL)
-                goto error;
-            num = PyLong_FromLong(self->ufds[i].fd);
-            if (num == NULL) {
-                Py_DECREF(value);
-                goto error;
-            }
-            PyTuple_SET_ITEM(value, 0, num);
-
-            /* The &0xffff is a workaround for AIX.  'revents'
-               is a 16-bit short, and IBM assigned POLLNVAL
-               to be 0x8000, so the conversion to int results
-               in a negative number. See SF bug #923315. */
-            num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
-            if (num == NULL) {
-                Py_DECREF(value);
-                goto error;
-            }
-            PyTuple_SET_ITEM(value, 1, num);
-            if ((PyList_SetItem(result_list, j, value)) == -1) {
-                Py_DECREF(value);
-                goto error;
-            }
+
+    for (i = 0, j = 0; j < poll_result; j++) {
+        /* skip to the next fired descriptor */
+        while (!self->ufds[i].revents) {
             i++;
         }
+        /* if we hit a NULL return, set value to NULL
+           and break out of loop; code at end will
+           clean up result_list */
+        value = PyTuple_New(2);
+        if (value == NULL)
+            goto error;
+        num = PyLong_FromLong(self->ufds[i].fd);
+        if (num == NULL) {
+            Py_DECREF(value);
+            goto error;
+        }
+        PyTuple_SET_ITEM(value, 0, num);
+
+        /* The &0xffff is a workaround for AIX.  'revents'
+           is a 16-bit short, and IBM assigned POLLNVAL
+           to be 0x8000, so the conversion to int results
+           in a negative number. See SF bug #923315. */
+        num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
+        if (num == NULL) {
+            Py_DECREF(value);
+            goto error;
+        }
+        PyTuple_SET_ITEM(value, 1, num);
+        if ((PyList_SetItem(result_list, j, value)) == -1) {
+            Py_DECREF(value);
+            goto error;
+        }
+        i++;
     }
     return result_list;
 
@@ -718,14 +755,10 @@ static int devpoll_flush(devpollObject *self)
     size = sizeof(struct pollfd)*self->n_fds;
     self->n_fds = 0;
 
-    Py_BEGIN_ALLOW_THREADS
-    n = write(self->fd_devpoll, self->fds, size);
-    Py_END_ALLOW_THREADS
-
-    if (n == -1 ) {
-        PyErr_SetFromErrno(PyExc_IOError);
+    n = _Py_write(self->fd_devpoll, self->fds, size);
+    if (n == -1)
         return -1;
-    }
+
     if (n < size) {
         /*
         ** Data writed to /dev/poll is a binary data structure. It is not
@@ -843,40 +876,38 @@ static PyObject *
 devpoll_poll(devpollObject *self, PyObject *args)
 {
     struct dvpoll dvp;
-    PyObject *result_list = NULL, *tout = NULL;
+    PyObject *result_list = NULL, *timeout_obj = NULL;
     int poll_result, i;
-    long timeout;
     PyObject *value, *num1, *num2;
+    _PyTime_t timeout, ms, deadline = 0;
 
     if (self->fd_devpoll < 0)
         return devpoll_err_closed();
 
-    if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
+    if (!PyArg_ParseTuple(args, "|O:poll", &timeout_obj)) {
         return NULL;
     }
 
     /* Check values for timeout */
-    if (tout == NULL || tout == Py_None)
+    if (timeout_obj == NULL || timeout_obj == Py_None) {
         timeout = -1;
-    else if (!PyNumber_Check(tout)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "timeout must be an integer or None");
-        return NULL;
+        ms = -1;
     }
     else {
-        tout = PyNumber_Long(tout);
-        if (!tout)
-            return NULL;
-        timeout = PyLong_AsLong(tout);
-        Py_DECREF(tout);
-        if (timeout == -1 && PyErr_Occurred())
+        if (_PyTime_FromMillisecondsObject(&timeout, timeout_obj,
+                                           _PyTime_ROUND_CEILING) < 0) {
+            if (PyErr_ExceptionMatches(PyExc_TypeError)) {
+                PyErr_SetString(PyExc_TypeError,
+                                "timeout must be an integer or None");
+            }
             return NULL;
-    }
+        }
 
-    if ((timeout < -1) || (timeout > INT_MAX)) {
-        PyErr_SetString(PyExc_OverflowError,
-                        "timeout is out of range");
-        return NULL;
+        ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+        if (ms < -1 || ms > INT_MAX) {
+            PyErr_SetString(PyExc_OverflowError, "timeout is too large");
+            return NULL;
+        }
     }
 
     if (devpoll_flush(self))
@@ -884,12 +915,36 @@ devpoll_poll(devpollObject *self, PyObject *args)
 
     dvp.dp_fds = self->fds;
     dvp.dp_nfds = self->max_n_fds;
-    dvp.dp_timeout = timeout;
+    dvp.dp_timeout = (int)ms;
 
-    /* call devpoll() */
-    Py_BEGIN_ALLOW_THREADS
-    poll_result = ioctl(self->fd_devpoll, DP_POLL, &dvp);
-    Py_END_ALLOW_THREADS
+    if (timeout >= 0)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
+
+    do {
+        /* call devpoll() */
+        Py_BEGIN_ALLOW_THREADS
+        errno = 0;
+        poll_result = ioctl(self->fd_devpoll, DP_POLL, &dvp);
+        Py_END_ALLOW_THREADS
+
+        if (errno != EINTR)
+            break;
+
+        /* devpoll() was interrupted by a signal */
+        if (PyErr_CheckSignals())
+            return NULL;
+
+        if (timeout >= 0) {
+            timeout = deadline - _PyTime_GetMonotonicClock();
+            if (timeout < 0) {
+                poll_result = 0;
+                break;
+            }
+            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+            dvp.dp_timeout = (int)ms;
+            /* retry devpoll() with the recomputed timeout */
+        }
+    } while (1);
 
     if (poll_result < 0) {
         PyErr_SetFromErrno(PyExc_IOError);
@@ -897,28 +952,26 @@ devpoll_poll(devpollObject *self, PyObject *args)
     }
 
     /* build the result list */
-
     result_list = PyList_New(poll_result);
     if (!result_list)
         return NULL;
-    else {
-        for (i = 0; i < poll_result; i++) {
-            num1 = PyLong_FromLong(self->fds[i].fd);
-            num2 = PyLong_FromLong(self->fds[i].revents);
-            if ((num1 == NULL) || (num2 == NULL)) {
-                Py_XDECREF(num1);
-                Py_XDECREF(num2);
-                goto error;
-            }
-            value = PyTuple_Pack(2, num1, num2);
-            Py_DECREF(num1);
-            Py_DECREF(num2);
-            if (value == NULL)
-                goto error;
-            if ((PyList_SetItem(result_list, i, value)) == -1) {
-                Py_DECREF(value);
-                goto error;
-            }
+
+    for (i = 0; i < poll_result; i++) {
+        num1 = PyLong_FromLong(self->fds[i].fd);
+        num2 = PyLong_FromLong(self->fds[i].revents);
+        if ((num1 == NULL) || (num2 == NULL)) {
+            Py_XDECREF(num1);
+            Py_XDECREF(num2);
+            goto error;
+        }
+        value = PyTuple_Pack(2, num1, num2);
+        Py_DECREF(num1);
+        Py_DECREF(num2);
+        if (value == NULL)
+            goto error;
+        if ((PyList_SetItem(result_list, i, value)) == -1) {
+            Py_DECREF(value);
+            goto error;
         }
     }
 
@@ -1013,7 +1066,6 @@ newDevPollObject(void)
     struct pollfd *fds;
     struct rlimit limit;
 
-    Py_BEGIN_ALLOW_THREADS
     /*
     ** If we try to process more that getrlimit()
     ** fds, the kernel will give an error, so
@@ -1021,18 +1073,14 @@ newDevPollObject(void)
     ** value, because we can change rlimit() anytime.
     */
     limit_result = getrlimit(RLIMIT_NOFILE, &limit);
-    if (limit_result != -1)
-        fd_devpoll = _Py_open("/dev/poll", O_RDWR);
-    Py_END_ALLOW_THREADS
-
     if (limit_result == -1) {
         PyErr_SetFromErrno(PyExc_OSError);
         return NULL;
     }
-    if (fd_devpoll == -1) {
-        PyErr_SetFromErrnoWithFilename(PyExc_IOError, "/dev/poll");
+
+    fd_devpoll = _Py_open("/dev/poll", O_RDWR);
+    if (fd_devpoll == -1)
         return NULL;
-    }
 
     fds = PyMem_NEW(struct pollfd, limit.rlim_cur);
     if (fds == NULL) {
@@ -1437,34 +1485,46 @@ fd is the target file descriptor of the operation.");
 static PyObject *
 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
 {
-    double dtimeout = -1.;
-    int timeout;
+    static char *kwlist[] = {"timeout", "maxevents", NULL};
+    PyObject *timeout_obj = NULL;
     int maxevents = -1;
     int nfds, i;
     PyObject *elist = NULL, *etuple = NULL;
     struct epoll_event *evs = NULL;
-    static char *kwlist[] = {"timeout", "maxevents", NULL};
+    _PyTime_t timeout, ms, deadline;
 
     if (self->epfd < 0)
         return pyepoll_err_closed();
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
-                                     &dtimeout, &maxevents)) {
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oi:poll", kwlist,
+                                     &timeout_obj, &maxevents)) {
         return NULL;
     }
 
-    if (dtimeout < 0) {
+    if (timeout_obj == NULL || timeout_obj == Py_None) {
         timeout = -1;
-    }
-    else if (dtimeout * 1000.0 > INT_MAX) {
-        PyErr_SetString(PyExc_OverflowError,
-                        "timeout is too large");
-        return NULL;
+        ms = -1;
+        deadline = 0;   /* initialize to prevent gcc warning */
     }
     else {
-        /* epoll_wait() has a resolution of 1 millisecond, round away from zero
-           to wait *at least* dtimeout seconds. */
-        timeout = (int)ceil(dtimeout * 1000.0);
+        /* epoll_wait() has a resolution of 1 millisecond, round towards
+           infinity to wait at least timeout seconds. */
+        if (_PyTime_FromSecondsObject(&timeout, timeout_obj,
+                                      _PyTime_ROUND_CEILING) < 0) {
+            if (PyErr_ExceptionMatches(PyExc_TypeError)) {
+                PyErr_SetString(PyExc_TypeError,
+                                "timeout must be an integer or None");
+            }
+            return NULL;
+        }
+
+        ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+        if (ms < INT_MIN || ms > INT_MAX) {
+            PyErr_SetString(PyExc_OverflowError, "timeout is too large");
+            return NULL;
+        }
+
+        deadline = _PyTime_GetMonotonicClock() + timeout;
     }
 
     if (maxevents == -1) {
@@ -1483,9 +1543,30 @@ pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
         return NULL;
     }
 
-    Py_BEGIN_ALLOW_THREADS
-    nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
-    Py_END_ALLOW_THREADS
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        errno = 0;
+        nfds = epoll_wait(self->epfd, evs, maxevents, (int)ms);
+        Py_END_ALLOW_THREADS
+
+        if (errno != EINTR)
+            break;
+
+        /* poll() was interrupted by a signal */
+        if (PyErr_CheckSignals())
+            goto error;
+
+        if (timeout >= 0) {
+            timeout = deadline - _PyTime_GetMonotonicClock();
+            if (timeout < 0) {
+                nfds = 0;
+                break;
+            }
+            ms = _PyTime_AsMilliseconds(timeout, _PyTime_ROUND_CEILING);
+            /* retry epoll_wait() with the recomputed timeout */
+        }
+    } while(1);
+
     if (nfds < 0) {
         PyErr_SetFromErrno(PyExc_OSError);
         goto error;
@@ -2022,8 +2103,9 @@ kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
     PyObject *result = NULL;
     struct kevent *evl = NULL;
     struct kevent *chl = NULL;
-    struct timespec timeout;
+    struct timespec timeoutspec;
     struct timespec *ptimeoutspec;
+    _PyTime_t timeout, deadline = 0;
 
     if (self->kqfd < 0)
         return kqueue_queue_err_closed();
@@ -2041,24 +2123,25 @@ kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
     if (otimeout == Py_None || otimeout == NULL) {
         ptimeoutspec = NULL;
     }
-    else if (PyNumber_Check(otimeout)) {
-        if (_PyTime_ObjectToTimespec(otimeout, &timeout.tv_sec,
-                                     &timeout.tv_nsec, _PyTime_ROUND_UP) == -1)
+    else {
+        if (_PyTime_FromSecondsObject(&timeout,
+                                      otimeout, _PyTime_ROUND_CEILING) < 0) {
+            PyErr_Format(PyExc_TypeError,
+                "timeout argument must be an number "
+                "or None, got %.200s",
+                Py_TYPE(otimeout)->tp_name);
             return NULL;
+        }
 
-        if (timeout.tv_sec < 0) {
+        if (_PyTime_AsTimespec(timeout, &timeoutspec) == -1)
+            return NULL;
+
+        if (timeoutspec.tv_sec < 0) {
             PyErr_SetString(PyExc_ValueError,
                             "timeout must be positive or None");
             return NULL;
         }
-        ptimeoutspec = &timeout;
-    }
-    else {
-        PyErr_Format(PyExc_TypeError,
-            "timeout argument must be an number "
-            "or None, got %.200s",
-            Py_TYPE(otimeout)->tp_name);
-        return NULL;
+        ptimeoutspec = &timeoutspec;
     }
 
     if (ch != NULL && ch != Py_None) {
@@ -2103,10 +2186,34 @@ kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
         }
     }
 
-    Py_BEGIN_ALLOW_THREADS
-    gotevents = kevent(self->kqfd, chl, nchanges,
-                       evl, nevents, ptimeoutspec);
-    Py_END_ALLOW_THREADS
+    if (ptimeoutspec)
+        deadline = _PyTime_GetMonotonicClock() + timeout;
+
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        errno = 0;
+        gotevents = kevent(self->kqfd, chl, nchanges,
+                           evl, nevents, ptimeoutspec);
+        Py_END_ALLOW_THREADS
+
+        if (errno != EINTR)
+            break;
+
+        /* kevent() was interrupted by a signal */
+        if (PyErr_CheckSignals())
+            goto error;
+
+        if (ptimeoutspec) {
+            timeout = deadline - _PyTime_GetMonotonicClock();
+            if (timeout < 0) {
+                gotevents = 0;
+                break;
+            }
+            if (_PyTime_AsTimespec(timeout, &timeoutspec) == -1)
+                goto error;
+            /* retry kevent() with the recomputed timeout */
+        }
+    } while (1);
 
     if (gotevents == -1) {
         PyErr_SetFromErrno(PyExc_OSError);
diff --git a/Modules/sha1module.c b/Modules/sha1module.c
index b44fe18..d1f8936 100644
--- a/Modules/sha1module.c
+++ b/Modules/sha1module.c
@@ -19,6 +19,11 @@
 #include "Python.h"
 #include "hashlib.h"
 
+/*[clinic input]
+module _sha1
+class SHA1Type "SHA1object *" "&PyType_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=3dc9a20d1becb759]*/
 
 /* Some useful types */
 
@@ -48,6 +53,7 @@ typedef struct {
     struct sha1_state hash_state;
 } SHA1object;
 
+#include "clinic/sha1module.c.h"
 
 /* ------------------------------------------------------------------------
  *
@@ -309,10 +315,15 @@ SHA1_dealloc(PyObject *ptr)
 
 /* External methods for a hash object */
 
-PyDoc_STRVAR(SHA1_copy__doc__, "Return a copy of the hash object.");
+/*[clinic input]
+SHA1Type.copy
+
+Return a copy of the hash object.
+[clinic start generated code]*/
 
 static PyObject *
-SHA1_copy(SHA1object *self, PyObject *unused)
+SHA1Type_copy_impl(SHA1object *self)
+/*[clinic end generated code: output=b4e001264620f02a input=b7eae10df6f89b36]*/
 {
     SHA1object *newobj;
 
@@ -323,11 +334,15 @@ SHA1_copy(SHA1object *self, PyObject *unused)
     return (PyObject *)newobj;
 }
 
-PyDoc_STRVAR(SHA1_digest__doc__,
-"Return the digest value as a string of binary data.");
+/*[clinic input]
+SHA1Type.digest
+
+Return the digest value as a string of binary data.
+[clinic start generated code]*/
 
 static PyObject *
-SHA1_digest(SHA1object *self, PyObject *unused)
+SHA1Type_digest_impl(SHA1object *self)
+/*[clinic end generated code: output=2f05302a7aa2b5cb input=205d47e1927fd009]*/
 {
     unsigned char digest[SHA1_DIGESTSIZE];
     struct sha1_state temp;
@@ -337,11 +352,15 @@ SHA1_digest(SHA1object *self, PyObject *unused)
     return PyBytes_FromStringAndSize((const char *)digest, SHA1_DIGESTSIZE);
 }
 
-PyDoc_STRVAR(SHA1_hexdigest__doc__,
-"Return the digest value as a string of hexadecimal digits.");
+/*[clinic input]
+SHA1Type.hexdigest
+
+Return the digest value as a string of hexadecimal digits.
+[clinic start generated code]*/
 
 static PyObject *
-SHA1_hexdigest(SHA1object *self, PyObject *unused)
+SHA1Type_hexdigest_impl(SHA1object *self)
+/*[clinic end generated code: output=4161fd71e68c6659 input=97691055c0c74ab0]*/
 {
     unsigned char digest[SHA1_DIGESTSIZE];
     struct sha1_state temp;
@@ -373,18 +392,21 @@ SHA1_hexdigest(SHA1object *self, PyObject *unused)
     return retval;
 }
 
-PyDoc_STRVAR(SHA1_update__doc__,
-"Update this hash object's state with the provided string.");
+/*[clinic input]
+SHA1Type.update
+
+    obj: object
+    /
+
+Update this hash object's state with the provided string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA1_update(SHA1object *self, PyObject *args)
+SHA1Type_update(SHA1object *self, PyObject *obj)
+/*[clinic end generated code: output=d9902f0e5015e9ae input=aad8e07812edbba3]*/
 {
-    PyObject *obj;
     Py_buffer buf;
 
-    if (!PyArg_ParseTuple(args, "O:update", &obj))
-        return NULL;
-
     GET_BUFFER_VIEW_OR_ERROUT(obj, &buf);
 
     sha1_process(&self->hash_state, buf.buf, buf.len);
@@ -395,10 +417,10 @@ SHA1_update(SHA1object *self, PyObject *args)
 }
 
 static PyMethodDef SHA1_methods[] = {
-    {"copy",      (PyCFunction)SHA1_copy,      METH_NOARGS,  SHA1_copy__doc__},
-    {"digest",    (PyCFunction)SHA1_digest,    METH_NOARGS,  SHA1_digest__doc__},
-    {"hexdigest", (PyCFunction)SHA1_hexdigest, METH_NOARGS,  SHA1_hexdigest__doc__},
-    {"update",    (PyCFunction)SHA1_update,    METH_VARARGS, SHA1_update__doc__},
+    SHA1TYPE_COPY_METHODDEF
+    SHA1TYPE_DIGEST_METHODDEF
+    SHA1TYPE_HEXDIGEST_METHODDEF
+    SHA1TYPE_UPDATE_METHODDEF
     {NULL,        NULL}         /* sentinel */
 };
 
@@ -474,27 +496,26 @@ static PyTypeObject SHA1type = {
 
 /* The single module-level function: new() */
 
-PyDoc_STRVAR(SHA1_new__doc__,
-"Return a new SHA1 hash object; optionally initialized with a string.");
+/*[clinic input]
+_sha1.sha1
+
+    string: object(c_default="NULL") = b''
+
+Return a new SHA1 hash object; optionally initialized with a string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA1_new(PyObject *self, PyObject *args, PyObject *kwdict)
+_sha1_sha1_impl(PyModuleDef *module, PyObject *string)
+/*[clinic end generated code: output=3e4e841386b9e8db input=27ea54281d995ec2]*/
 {
-    static char *kwlist[] = {"string", NULL};
     SHA1object *new;
-    PyObject *data_obj = NULL;
     Py_buffer buf;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist,
-                                     &data_obj)) {
-        return NULL;
-    }
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf);
+    if (string)
+        GET_BUFFER_VIEW_OR_ERROUT(string, &buf);
 
     if ((new = newSHA1object()) == NULL) {
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
@@ -503,11 +524,11 @@ SHA1_new(PyObject *self, PyObject *args, PyObject *kwdict)
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
-    if (data_obj) {
+    if (string) {
         sha1_process(&new->hash_state, buf.buf, buf.len);
         PyBuffer_Release(&buf);
     }
@@ -519,7 +540,7 @@ SHA1_new(PyObject *self, PyObject *args, PyObject *kwdict)
 /* List of functions exported by this module */
 
 static struct PyMethodDef SHA1_functions[] = {
-    {"sha1",(PyCFunction)SHA1_new, METH_VARARGS|METH_KEYWORDS,SHA1_new__doc__},
+    _SHA1_SHA1_METHODDEF
     {NULL,      NULL}            /* Sentinel */
 };
 
diff --git a/Modules/sha256module.c b/Modules/sha256module.c
index b05bfc1..957fd2b 100644
--- a/Modules/sha256module.c
+++ b/Modules/sha256module.c
@@ -20,6 +20,11 @@
 #include "structmember.h"
 #include "hashlib.h"
 
+/*[clinic input]
+module _sha256
+class SHA256Type "SHAobject *" "&PyType_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=71a39174d4f0a744]*/
 
 /* Some useful types */
 
@@ -47,6 +52,8 @@ typedef struct {
     int digestsize;
 } SHAobject;
 
+#include "clinic/sha256module.c.h"
+
 /* When run on a little-endian CPU we need to perform byte reversal on an
    array of longwords. */
 
@@ -393,10 +400,15 @@ SHA_dealloc(PyObject *ptr)
 
 /* External methods for a hash object */
 
-PyDoc_STRVAR(SHA256_copy__doc__, "Return a copy of the hash object.");
+/*[clinic input]
+SHA256Type.copy
+
+Return a copy of the hash object.
+[clinic start generated code]*/
 
 static PyObject *
-SHA256_copy(SHAobject *self, PyObject *unused)
+SHA256Type_copy_impl(SHAobject *self)
+/*[clinic end generated code: output=1a8bbd66a0c9c168 input=f58840a618d4f2a7]*/
 {
     SHAobject *newobj;
 
@@ -412,11 +424,15 @@ SHA256_copy(SHAobject *self, PyObject *unused)
     return (PyObject *)newobj;
 }
 
-PyDoc_STRVAR(SHA256_digest__doc__,
-"Return the digest value as a string of binary data.");
+/*[clinic input]
+SHA256Type.digest
+
+Return the digest value as a string of binary data.
+[clinic start generated code]*/
 
 static PyObject *
-SHA256_digest(SHAobject *self, PyObject *unused)
+SHA256Type_digest_impl(SHAobject *self)
+/*[clinic end generated code: output=46616a5e909fbc3d input=1fb752e58954157d]*/
 {
     unsigned char digest[SHA_DIGESTSIZE];
     SHAobject temp;
@@ -426,11 +442,15 @@ SHA256_digest(SHAobject *self, PyObject *unused)
     return PyBytes_FromStringAndSize((const char *)digest, self->digestsize);
 }
 
-PyDoc_STRVAR(SHA256_hexdigest__doc__,
-"Return the digest value as a string of hexadecimal digits.");
+/*[clinic input]
+SHA256Type.hexdigest
+
+Return the digest value as a string of hexadecimal digits.
+[clinic start generated code]*/
 
 static PyObject *
-SHA256_hexdigest(SHAobject *self, PyObject *unused)
+SHA256Type_hexdigest_impl(SHAobject *self)
+/*[clinic end generated code: output=725f8a7041ae97f3 input=0cc4c714693010d1]*/
 {
     unsigned char digest[SHA_DIGESTSIZE];
     SHAobject temp;
@@ -462,18 +482,21 @@ SHA256_hexdigest(SHAobject *self, PyObject *unused)
     return retval;
 }
 
-PyDoc_STRVAR(SHA256_update__doc__,
-"Update this hash object's state with the provided string.");
+/*[clinic input]
+SHA256Type.update
+
+    obj: object
+    /
+
+Update this hash object's state with the provided string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA256_update(SHAobject *self, PyObject *args)
+SHA256Type_update(SHAobject *self, PyObject *obj)
+/*[clinic end generated code: output=0967fb2860c66af7 input=b2d449d5b30f0f5a]*/
 {
-    PyObject *obj;
     Py_buffer buf;
 
-    if (!PyArg_ParseTuple(args, "O:update", &obj))
-        return NULL;
-
     GET_BUFFER_VIEW_OR_ERROUT(obj, &buf);
 
     sha_update(self, buf.buf, buf.len);
@@ -484,10 +507,10 @@ SHA256_update(SHAobject *self, PyObject *args)
 }
 
 static PyMethodDef SHA_methods[] = {
-    {"copy",      (PyCFunction)SHA256_copy,      METH_NOARGS,  SHA256_copy__doc__},
-    {"digest",    (PyCFunction)SHA256_digest,    METH_NOARGS,  SHA256_digest__doc__},
-    {"hexdigest", (PyCFunction)SHA256_hexdigest, METH_NOARGS,  SHA256_hexdigest__doc__},
-    {"update",    (PyCFunction)SHA256_update,    METH_VARARGS, SHA256_update__doc__},
+    SHA256TYPE_COPY_METHODDEF
+    SHA256TYPE_DIGEST_METHODDEF
+    SHA256TYPE_HEXDIGEST_METHODDEF
+    SHA256TYPE_UPDATE_METHODDEF
     {NULL,        NULL}         /* sentinel */
 };
 
@@ -594,27 +617,26 @@ static PyTypeObject SHA256type = {
 
 /* The single module-level function: new() */
 
-PyDoc_STRVAR(SHA256_new__doc__,
-"Return a new SHA-256 hash object; optionally initialized with a string.");
+/*[clinic input]
+_sha256.sha256
+
+    string: object(c_default="NULL") = b''
+
+Return a new SHA-256 hash object; optionally initialized with a string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict)
+_sha256_sha256_impl(PyModuleDef *module, PyObject *string)
+/*[clinic end generated code: output=d70e6e2d97112844 input=09cce3fb855056b2]*/
 {
-    static char *kwlist[] = {"string", NULL};
     SHAobject *new;
-    PyObject *data_obj = NULL;
     Py_buffer buf;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist,
-                                     &data_obj)) {
-        return NULL;
-    }
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf);
+    if (string)
+        GET_BUFFER_VIEW_OR_ERROUT(string, &buf);
 
     if ((new = newSHA256object()) == NULL) {
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
@@ -623,11 +645,11 @@ SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict)
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
-    if (data_obj) {
+    if (string) {
         sha_update(new, buf.buf, buf.len);
         PyBuffer_Release(&buf);
     }
@@ -635,27 +657,26 @@ SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict)
     return (PyObject *)new;
 }
 
-PyDoc_STRVAR(SHA224_new__doc__,
-"Return a new SHA-224 hash object; optionally initialized with a string.");
+/*[clinic input]
+_sha256.sha224
+
+    string: object(c_default="NULL") = b''
+
+Return a new SHA-224 hash object; optionally initialized with a string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict)
+_sha256_sha224_impl(PyModuleDef *module, PyObject *string)
+/*[clinic end generated code: output=f2822bf28416b42a input=27a04ba24c353a73]*/
 {
-    static char *kwlist[] = {"string", NULL};
     SHAobject *new;
-    PyObject *data_obj = NULL;
     Py_buffer buf;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist,
-                                     &data_obj)) {
-        return NULL;
-    }
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf);
+    if (string)
+        GET_BUFFER_VIEW_OR_ERROUT(string, &buf);
 
     if ((new = newSHA224object()) == NULL) {
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
@@ -664,11 +685,11 @@ SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict)
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
-    if (data_obj) {
+    if (string) {
         sha_update(new, buf.buf, buf.len);
         PyBuffer_Release(&buf);
     }
@@ -680,8 +701,8 @@ SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict)
 /* List of functions exported by this module */
 
 static struct PyMethodDef SHA_functions[] = {
-    {"sha256", (PyCFunction)SHA256_new, METH_VARARGS|METH_KEYWORDS, SHA256_new__doc__},
-    {"sha224", (PyCFunction)SHA224_new, METH_VARARGS|METH_KEYWORDS, SHA224_new__doc__},
+    _SHA256_SHA256_METHODDEF
+    _SHA256_SHA224_METHODDEF
     {NULL,      NULL}            /* Sentinel */
 };
 
diff --git a/Modules/sha512module.c b/Modules/sha512module.c
index 47c57e5..4533c00 100644
--- a/Modules/sha512module.c
+++ b/Modules/sha512module.c
@@ -20,6 +20,12 @@
 #include "structmember.h"
 #include "hashlib.h"
 
+/*[clinic input]
+module _sha512
+class SHA512Type "SHAobject *" "&PyType_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=81a3ccde92bcfe8d]*/
+
 #ifdef PY_LONG_LONG /* If no PY_LONG_LONG, don't compile anything! */
 
 /* Some useful types */
@@ -49,6 +55,8 @@ typedef struct {
     int digestsize;
 } SHAobject;
 
+#include "clinic/sha512module.c.h"
+
 /* When run on a little-endian CPU we need to perform byte reversal on an
    array of longwords. */
 
@@ -459,10 +467,15 @@ SHA512_dealloc(PyObject *ptr)
 
 /* External methods for a hash object */
 
-PyDoc_STRVAR(SHA512_copy__doc__, "Return a copy of the hash object.");
+/*[clinic input]
+SHA512Type.copy
+
+Return a copy of the hash object.
+[clinic start generated code]*/
 
 static PyObject *
-SHA512_copy(SHAobject *self, PyObject *unused)
+SHA512Type_copy_impl(SHAobject *self)
+/*[clinic end generated code: output=adea896ed3164821 input=9f5f31e6c457776a]*/
 {
     SHAobject *newobj;
 
@@ -478,11 +491,15 @@ SHA512_copy(SHAobject *self, PyObject *unused)
     return (PyObject *)newobj;
 }
 
-PyDoc_STRVAR(SHA512_digest__doc__,
-"Return the digest value as a string of binary data.");
+/*[clinic input]
+SHA512Type.digest
+
+Return the digest value as a string of binary data.
+[clinic start generated code]*/
 
 static PyObject *
-SHA512_digest(SHAobject *self, PyObject *unused)
+SHA512Type_digest_impl(SHAobject *self)
+/*[clinic end generated code: output=1080bbeeef7dde1b input=60c2cede9e023018]*/
 {
     unsigned char digest[SHA_DIGESTSIZE];
     SHAobject temp;
@@ -492,11 +509,15 @@ SHA512_digest(SHAobject *self, PyObject *unused)
     return PyBytes_FromStringAndSize((const char *)digest, self->digestsize);
 }
 
-PyDoc_STRVAR(SHA512_hexdigest__doc__,
-"Return the digest value as a string of hexadecimal digits.");
+/*[clinic input]
+SHA512Type.hexdigest
+
+Return the digest value as a string of hexadecimal digits.
+[clinic start generated code]*/
 
 static PyObject *
-SHA512_hexdigest(SHAobject *self, PyObject *unused)
+SHA512Type_hexdigest_impl(SHAobject *self)
+/*[clinic end generated code: output=7373305b8601e18b input=498b877b25cbe0a2]*/
 {
     unsigned char digest[SHA_DIGESTSIZE];
     SHAobject temp;
@@ -528,18 +549,21 @@ SHA512_hexdigest(SHAobject *self, PyObject *unused)
     return retval;
 }
 
-PyDoc_STRVAR(SHA512_update__doc__,
-"Update this hash object's state with the provided string.");
+/*[clinic input]
+SHA512Type.update
+
+    obj: object
+    /
+
+Update this hash object's state with the provided string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA512_update(SHAobject *self, PyObject *args)
+SHA512Type_update(SHAobject *self, PyObject *obj)
+/*[clinic end generated code: output=1cf333e73995a79e input=ded2b46656566283]*/
 {
-    PyObject *obj;
     Py_buffer buf;
 
-    if (!PyArg_ParseTuple(args, "O:update", &obj))
-        return NULL;
-
     GET_BUFFER_VIEW_OR_ERROUT(obj, &buf);
 
     sha512_update(self, buf.buf, buf.len);
@@ -548,12 +572,16 @@ SHA512_update(SHAobject *self, PyObject *args)
     Py_INCREF(Py_None);
     return Py_None;
 }
+/*[clinic input]
+dump buffer
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=524ce2e021e4eba6]*/
 
 static PyMethodDef SHA_methods[] = {
-    {"copy",      (PyCFunction)SHA512_copy,      METH_NOARGS, SHA512_copy__doc__},
-    {"digest",    (PyCFunction)SHA512_digest,    METH_NOARGS, SHA512_digest__doc__},
-    {"hexdigest", (PyCFunction)SHA512_hexdigest, METH_NOARGS, SHA512_hexdigest__doc__},
-    {"update",    (PyCFunction)SHA512_update,    METH_VARARGS, SHA512_update__doc__},
+    SHA512TYPE_COPY_METHODDEF
+    SHA512TYPE_DIGEST_METHODDEF
+    SHA512TYPE_HEXDIGEST_METHODDEF
+    SHA512TYPE_UPDATE_METHODDEF
     {NULL,        NULL}         /* sentinel */
 };
 
@@ -660,27 +688,26 @@ static PyTypeObject SHA512type = {
 
 /* The single module-level function: new() */
 
-PyDoc_STRVAR(SHA512_new__doc__,
-"Return a new SHA-512 hash object; optionally initialized with a string.");
+/*[clinic input]
+_sha512.sha512
+
+    string: object(c_default="NULL") = b''
+
+Return a new SHA-512 hash object; optionally initialized with a string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA512_new(PyObject *self, PyObject *args, PyObject *kwdict)
+_sha512_sha512_impl(PyModuleDef *module, PyObject *string)
+/*[clinic end generated code: output=da13bc0a94da6de3 input=e69bad9ae9b6a308]*/
 {
-    static char *kwlist[] = {"string", NULL};
     SHAobject *new;
-    PyObject *data_obj = NULL;
     Py_buffer buf;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist,
-                                     &data_obj)) {
-        return NULL;
-    }
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf);
+    if (string)
+        GET_BUFFER_VIEW_OR_ERROUT(string, &buf);
 
     if ((new = newSHA512object()) == NULL) {
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
@@ -689,11 +716,11 @@ SHA512_new(PyObject *self, PyObject *args, PyObject *kwdict)
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
-    if (data_obj) {
+    if (string) {
         sha512_update(new, buf.buf, buf.len);
         PyBuffer_Release(&buf);
     }
@@ -701,27 +728,26 @@ SHA512_new(PyObject *self, PyObject *args, PyObject *kwdict)
     return (PyObject *)new;
 }
 
-PyDoc_STRVAR(SHA384_new__doc__,
-"Return a new SHA-384 hash object; optionally initialized with a string.");
+/*[clinic input]
+_sha512.sha384
+
+    string: object(c_default="NULL") = b''
+
+Return a new SHA-384 hash object; optionally initialized with a string.
+[clinic start generated code]*/
 
 static PyObject *
-SHA384_new(PyObject *self, PyObject *args, PyObject *kwdict)
+_sha512_sha384_impl(PyModuleDef *module, PyObject *string)
+/*[clinic end generated code: output=ac731aea5509174d input=c9327788d4ea4545]*/
 {
-    static char *kwlist[] = {"string", NULL};
     SHAobject *new;
-    PyObject *data_obj = NULL;
     Py_buffer buf;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist,
-                                     &data_obj)) {
-        return NULL;
-    }
-
-    if (data_obj)
-        GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf);
+    if (string)
+        GET_BUFFER_VIEW_OR_ERROUT(string, &buf);
 
     if ((new = newSHA384object()) == NULL) {
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
@@ -730,11 +756,11 @@ SHA384_new(PyObject *self, PyObject *args, PyObject *kwdict)
 
     if (PyErr_Occurred()) {
         Py_DECREF(new);
-        if (data_obj)
+        if (string)
             PyBuffer_Release(&buf);
         return NULL;
     }
-    if (data_obj) {
+    if (string) {
         sha512_update(new, buf.buf, buf.len);
         PyBuffer_Release(&buf);
     }
@@ -743,11 +769,16 @@ SHA384_new(PyObject *self, PyObject *args, PyObject *kwdict)
 }
 
 
+/*[clinic input]
+dump buffer
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=524ce2e021e4eba6]*/
+
 /* List of functions exported by this module */
 
 static struct PyMethodDef SHA_functions[] = {
-    {"sha512", (PyCFunction)SHA512_new, METH_VARARGS|METH_KEYWORDS, SHA512_new__doc__},
-    {"sha384", (PyCFunction)SHA384_new, METH_VARARGS|METH_KEYWORDS, SHA384_new__doc__},
+    _SHA512_SHA512_METHODDEF
+    _SHA512_SHA384_METHODDEF
     {NULL,      NULL}            /* Sentinel */
 };
 
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index fedaddf..cc13194 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -7,6 +7,9 @@
 #ifndef MS_WINDOWS
 #include "posixmodule.h"
 #endif
+#ifdef MS_WINDOWS
+#include "socketmodule.h"   /* needed for SOCKET_T */
+#endif
 
 #ifdef MS_WINDOWS
 #include <windows.h>
@@ -87,7 +90,20 @@ static volatile struct {
     PyObject *func;
 } Handlers[NSIG];
 
+#ifdef MS_WINDOWS
+#define INVALID_FD ((SOCKET_T)-1)
+
+static volatile struct {
+    SOCKET_T fd;
+    int use_send;
+    int send_err_set;
+    int send_errno;
+    int send_win_error;
+} wakeup = {INVALID_FD, 0, 0};
+#else
+#define INVALID_FD (-1)
 static volatile sig_atomic_t wakeup_fd = -1;
+#endif
 
 /* Speed up sigcheck() when none tripped */
 static volatile sig_atomic_t is_tripped = 0;
@@ -172,7 +188,7 @@ checksignals_witharg(void * unused)
 }
 
 static int
-report_wakeup_error(void *data)
+report_wakeup_write_error(void *data)
 {
     int save_errno = errno;
     errno = (int) (Py_intptr_t) data;
@@ -184,25 +200,87 @@ report_wakeup_error(void *data)
     return 0;
 }
 
+#ifdef MS_WINDOWS
+static int
+report_wakeup_send_error(void* Py_UNUSED(data))
+{
+    PyObject *res;
+
+    if (wakeup.send_win_error) {
+        /* PyErr_SetExcFromWindowsErr() invokes FormatMessage() which
+           recognizes the error codes used by both GetLastError() and
+           WSAGetLastError */
+        res = PyErr_SetExcFromWindowsErr(PyExc_OSError, wakeup.send_win_error);
+    }
+    else {
+        errno = wakeup.send_errno;
+        res = PyErr_SetFromErrno(PyExc_OSError);
+    }
+
+    assert(res == NULL);
+    wakeup.send_err_set = 0;
+
+    PySys_WriteStderr("Exception ignored when trying to send to the "
+                      "signal wakeup fd:\n");
+    PyErr_WriteUnraisable(NULL);
+
+    return 0;
+}
+#endif   /* MS_WINDOWS */
+
 static void
 trip_signal(int sig_num)
 {
     unsigned char byte;
-    int rc = 0;
+    int fd;
+    Py_ssize_t rc;
 
     Handlers[sig_num].tripped = 1;
-    if (wakeup_fd != -1) {
+
+#ifdef MS_WINDOWS
+    fd = Py_SAFE_DOWNCAST(wakeup.fd, SOCKET_T, int);
+#else
+    fd = wakeup_fd;
+#endif
+
+    if (fd != INVALID_FD) {
         byte = (unsigned char)sig_num;
-        while ((rc = write(wakeup_fd, &byte, 1)) == -1 && errno == EINTR);
-        if (rc == -1)
-            Py_AddPendingCall(report_wakeup_error, (void *) (Py_intptr_t) errno);
+#ifdef MS_WINDOWS
+        if (wakeup.use_send) {
+            do {
+                rc = send(fd, &byte, 1, 0);
+            } while (rc < 0 && errno == EINTR);
+
+            /* we only have a storage for one error in the wakeup structure */
+            if (rc < 0 && !wakeup.send_err_set) {
+                wakeup.send_err_set = 1;
+                wakeup.send_errno = errno;
+                wakeup.send_win_error = GetLastError();
+                Py_AddPendingCall(report_wakeup_send_error, NULL);
+            }
+        }
+        else
+#endif
+        {
+            byte = (unsigned char)sig_num;
+
+            /* _Py_write_noraise() retries write() if write() is interrupted by
+               a signal (fails with EINTR). */
+            rc = _Py_write_noraise(fd, &byte, 1);
+
+            if (rc < 0) {
+                Py_AddPendingCall(report_wakeup_write_error,
+                                  (void *)(Py_intptr_t)errno);
+            }
+        }
+    }
+
+    if (!is_tripped) {
+        /* Set is_tripped after setting .tripped, as it gets
+           cleared in PyErr_CheckSignals() before .tripped. */
+        is_tripped = 1;
+        Py_AddPendingCall(checksignals_witharg, NULL);
     }
-    if (is_tripped)
-        return;
-    /* Set is_tripped after setting .tripped, as it gets
-       cleared in PyErr_CheckSignals() before .tripped. */
-    is_tripped = 1;
-    Py_AddPendingCall(checksignals_witharg, NULL);
 }
 
 static void
@@ -227,7 +305,7 @@ signal_handler(int sig_num)
     if (sig_num != SIGCHLD)
 #endif
     /* If the handler was not set up with sigaction, reinstall it.  See
-     * Python/pythonrun.c for the implementation of PyOS_setsig which
+     * Python/pylifecycle.c for the implementation of PyOS_setsig which
      * makes this true.  See also issue8354. */
     PyOS_setsig(sig_num, signal_handler);
 #endif
@@ -426,10 +504,28 @@ signal_siginterrupt(PyObject *self, PyObject *args)
 static PyObject *
 signal_set_wakeup_fd(PyObject *self, PyObject *args)
 {
-    struct stat buf;
+    struct _Py_stat_struct status;
+#ifdef MS_WINDOWS
+    PyObject *fdobj;
+    SOCKET_T sockfd, old_sockfd;
+    int res;
+    int res_size = sizeof res;
+    PyObject *mod;
+    int is_socket;
+
+    if (!PyArg_ParseTuple(args, "O:set_wakeup_fd", &fdobj))
+        return NULL;
+
+    sockfd = PyLong_AsSocket_t(fdobj);
+    if (sockfd == (SOCKET_T)(-1) && PyErr_Occurred())
+        return NULL;
+#else
     int fd, old_fd;
+
     if (!PyArg_ParseTuple(args, "i:set_wakeup_fd", &fd))
         return NULL;
+#endif
+
 #ifdef WITH_THREAD
     if (PyThread_get_thread_ident() != main_thread) {
         PyErr_SetString(PyExc_ValueError,
@@ -437,21 +533,90 @@ signal_set_wakeup_fd(PyObject *self, PyObject *args)
         return NULL;
     }
 #endif
-    if (fd != -1 && (!_PyVerify_fd(fd) || fstat(fd, &buf) != 0)) {
-        PyErr_SetString(PyExc_ValueError, "invalid fd");
-        return NULL;
+
+#ifdef MS_WINDOWS
+    is_socket = 0;
+    if (sockfd != INVALID_FD) {
+        /* Import the _socket module to call WSAStartup() */
+        mod = PyImport_ImportModuleNoBlock("_socket");
+        if (mod == NULL)
+            return NULL;
+        Py_DECREF(mod);
+
+        /* test the socket */
+        if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR,
+                       (char *)&res, &res_size) != 0) {
+            int fd, err;
+
+            err = WSAGetLastError();
+            if (err != WSAENOTSOCK) {
+                PyErr_SetExcFromWindowsErr(PyExc_OSError, err);
+                return NULL;
+            }
+
+            fd = (int)sockfd;
+            if ((SOCKET_T)fd != sockfd || !_PyVerify_fd(fd)) {
+                PyErr_SetString(PyExc_ValueError, "invalid fd");
+                return NULL;
+            }
+
+            if (_Py_fstat(fd, &status) != 0)
+                return NULL;
+
+            /* on Windows, a file cannot be set to non-blocking mode */
+        }
+        else {
+            is_socket = 1;
+
+            /* Windows does not provide a function to test if a socket
+               is in non-blocking mode */
+        }
+    }
+
+    old_sockfd = wakeup.fd;
+    wakeup.fd = sockfd;
+    wakeup.use_send = is_socket;
+
+    if (old_sockfd != INVALID_FD)
+        return PyLong_FromSocket_t(old_sockfd);
+    else
+        return PyLong_FromLong(-1);
+#else
+    if (fd != -1) {
+        int blocking;
+
+        if (!_PyVerify_fd(fd)) {
+            PyErr_SetString(PyExc_ValueError, "invalid fd");
+            return NULL;
+        }
+
+        if (_Py_fstat(fd, &status) != 0)
+            return NULL;
+
+        blocking = _Py_get_blocking(fd);
+        if (blocking < 0)
+            return NULL;
+        if (blocking) {
+            PyErr_Format(PyExc_ValueError,
+                         "the fd %i must be in non-blocking mode",
+                         fd);
+            return NULL;
+        }
     }
+
     old_fd = wakeup_fd;
     wakeup_fd = fd;
+
     return PyLong_FromLong(old_fd);
+#endif
 }
 
 PyDoc_STRVAR(set_wakeup_fd_doc,
 "set_wakeup_fd(fd) -> fd\n\
 \n\
-Sets the fd to be written to (with '\\0') when a signal\n\
+Sets the fd to be written to (with the signal number) when a signal\n\
 comes in.  A library can use this to wakeup select or poll.\n\
-The previous fd is returned.\n\
+The previous fd or -1 is returned.\n\
 \n\
 The fd must be non-blocking.");
 
@@ -459,10 +624,17 @@ The fd must be non-blocking.");
 int
 PySignal_SetWakeupFd(int fd)
 {
-    int old_fd = wakeup_fd;
+    int old_fd;
     if (fd < 0)
         fd = -1;
+
+#ifdef MS_WINDOWS
+    old_fd = Py_SAFE_DOWNCAST(wakeup.fd, SOCKET_T, int);
+    wakeup.fd = fd;
+#else
+    old_fd = wakeup_fd;
     wakeup_fd = fd;
+#endif
     return old_fd;
 }
 
@@ -759,6 +931,7 @@ signal_sigwaitinfo(PyObject *self, PyObject *args)
     sigset_t set;
     siginfo_t si;
     int err;
+    int async_err = 0;
 
     if (!PyArg_ParseTuple(args, "O:sigwaitinfo", &signals))
         return NULL;
@@ -766,11 +939,14 @@ signal_sigwaitinfo(PyObject *self, PyObject *args)
     if (iterable_to_sigset(signals, &set))
         return NULL;
 
-    Py_BEGIN_ALLOW_THREADS
-    err = sigwaitinfo(&set, &si);
-    Py_END_ALLOW_THREADS
+    do {
+        Py_BEGIN_ALLOW_THREADS
+        err = sigwaitinfo(&set, &si);
+        Py_END_ALLOW_THREADS
+    } while (err == -1
+             && errno == EINTR && !(async_err = PyErr_CheckSignals()));
     if (err == -1)
-        return PyErr_SetFromErrno(PyExc_OSError);
+        return (!async_err) ? PyErr_SetFromErrno(PyExc_OSError) : NULL;
 
     return fill_siginfo(&si);
 }
@@ -787,25 +963,22 @@ Returns a struct_siginfo containing information about the signal.");
 static PyObject *
 signal_sigtimedwait(PyObject *self, PyObject *args)
 {
-    PyObject *signals, *timeout;
-    struct timespec buf;
+    PyObject *signals, *timeout_obj;
+    struct timespec ts;
     sigset_t set;
     siginfo_t si;
-    time_t tv_sec;
-    long tv_nsec;
-    int err;
+    int res;
+    _PyTime_t timeout, deadline, monotonic;
 
     if (!PyArg_ParseTuple(args, "OO:sigtimedwait",
-                          &signals, &timeout))
+                          &signals, &timeout_obj))
         return NULL;
 
-    if (_PyTime_ObjectToTimespec(timeout, &tv_sec, &tv_nsec,
-                                 _PyTime_ROUND_DOWN) == -1)
+    if (_PyTime_FromSecondsObject(&timeout,
+                                  timeout_obj, _PyTime_ROUND_CEILING) < 0)
         return NULL;
-    buf.tv_sec = tv_sec;
-    buf.tv_nsec = tv_nsec;
 
-    if (buf.tv_sec < 0 || buf.tv_nsec < 0) {
+    if (timeout < 0) {
         PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
         return NULL;
     }
@@ -813,15 +986,35 @@ signal_sigtimedwait(PyObject *self, PyObject *args)
     if (iterable_to_sigset(signals, &set))
         return NULL;
 
-    Py_BEGIN_ALLOW_THREADS
-    err = sigtimedwait(&set, &si, &buf);
-    Py_END_ALLOW_THREADS
-    if (err == -1) {
-        if (errno == EAGAIN)
-            Py_RETURN_NONE;
-        else
-            return PyErr_SetFromErrno(PyExc_OSError);
-    }
+    deadline = _PyTime_GetMonotonicClock() + timeout;
+
+    do {
+        if (_PyTime_AsTimespec(timeout, &ts) < 0)
+            return NULL;
+
+        Py_BEGIN_ALLOW_THREADS
+        res = sigtimedwait(&set, &si, &ts);
+        Py_END_ALLOW_THREADS
+
+        if (res != -1)
+            break;
+
+        if (errno != EINTR) {
+            if (errno == EAGAIN)
+                Py_RETURN_NONE;
+            else
+                return PyErr_SetFromErrno(PyExc_OSError);
+        }
+
+        /* sigtimedwait() was interrupted by a signal (EINTR) */
+        if (PyErr_CheckSignals())
+            return NULL;
+
+        monotonic = _PyTime_GetMonotonicClock();
+        timeout = deadline - monotonic;
+        if (timeout < 0)
+            break;
+    } while (1);
 
     return fill_siginfo(&si);
 }
@@ -956,7 +1149,7 @@ the first is the signal number, the second is the interrupted stack frame.");
 
 static struct PyModuleDef signalmodule = {
     PyModuleDef_HEAD_INIT,
-    "signal",
+    "_signal",
     module_doc,
     -1,
     signal_methods,
@@ -967,7 +1160,7 @@ static struct PyModuleDef signalmodule = {
 };
 
 PyMODINIT_FUNC
-PyInit_signal(void)
+PyInit__signal(void)
 {
     PyObject *m, *d, *x;
     int i;
@@ -1380,7 +1573,7 @@ PyErr_SetInterrupt(void)
 void
 PyOS_InitInterrupts(void)
 {
-    PyObject *m = PyImport_ImportModule("signal");
+    PyObject *m = PyImport_ImportModule("_signal");
     if (m) {
         Py_DECREF(m);
     }
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index b6f2bf5..7610b0c 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -121,7 +121,7 @@ getpeername() -- return remote address [*]\n\
 getsockname() -- return local address\n\
 getsockopt(level, optname[, buflen]) -- get socket options\n\
 gettimeout() -- return timeout or None\n\
-listen(n) -- start listening for incoming connections\n\
+listen([n]) -- start listening for incoming connections\n\
 recv(buflen[, flags]) -- receive data\n\
 recv_into(buffer[, nbytes[, flags]]) -- receive data (into a buffer)\n\
 recvfrom(buflen[, flags]) -- receive data and sender\'s address\n\
@@ -284,14 +284,15 @@ if_indextoname(index) -- return the corresponding interface name\n\
 #  include <fcntl.h>
 # endif
 
+#if defined(_MSC_VER) && _MSC_VER >= 1800
+/* Provides the IsWindows7SP1OrGreater() function */
+#include <VersionHelpers.h>
 #endif
 
-#include <stddef.h>
-
-#ifndef offsetof
-# define offsetof(type, member) ((size_t)(&((type *)0)->member))
 #endif
 
+#include <stddef.h>
+
 #ifndef O_NONBLOCK
 # define O_NONBLOCK O_NDELAY
 #endif
@@ -459,7 +460,7 @@ static PyTypeObject sock_type;
 #else
 /* If there's no timeout left, we don't have to call select, so it's a safe,
  * little white lie. */
-#define IS_SELECTABLE(s) (_PyIsSelectable_fd((s)->sock_fd) || (s)->sock_timeout <= 0.0)
+#define IS_SELECTABLE(s) (_PyIsSelectable_fd((s)->sock_fd) || (s)->sock_timeout <= 0)
 #endif
 
 static PyObject*
@@ -481,6 +482,19 @@ select_error(void)
 #endif
 
 #ifdef MS_WINDOWS
+#  define GET_SOCK_ERROR WSAGetLastError()
+#  define SET_SOCK_ERROR(err) WSASetLastError(err)
+#  define SOCK_TIMEOUT_ERR WSAEWOULDBLOCK
+#  define SOCK_INPROGRESS_ERR WSAEWOULDBLOCK
+#else
+#  define GET_SOCK_ERROR errno
+#  define SET_SOCK_ERROR(err) do { errno = err; } while (0)
+#  define SOCK_TIMEOUT_ERR EWOULDBLOCK
+#  define SOCK_INPROGRESS_ERR EINPROGRESS
+#endif
+
+
+#ifdef MS_WINDOWS
 /* Does WSASocket() support the WSA_FLAG_NO_HANDLE_INHERIT flag? */
 static int support_wsa_no_inherit = -1;
 #endif
@@ -552,6 +566,9 @@ set_gaierror(int error)
 static int
 internal_setblocking(PySocketSockObject *s, int block)
 {
+#ifdef MS_WINDOWS
+    u_long arg;
+#endif
 #if !defined(MS_WINDOWS) \
     && !((defined(HAVE_SYS_IOCTL_H) && defined(FIONBIO)))
     int delay_flag, new_delay_flag;
@@ -578,8 +595,8 @@ internal_setblocking(PySocketSockObject *s, int block)
         fcntl(s->sock_fd, F_SETFL, new_delay_flag);
 #endif
 #else /* MS_WINDOWS */
-    block = !block;
-    ioctlsocket(s->sock_fd, FIONBIO, (u_long*)&block);
+    arg = !block;
+    ioctlsocket(s->sock_fd, FIONBIO, &arg);
 #endif /* MS_WINDOWS */
     Py_END_ALLOW_THREADS
 
@@ -587,60 +604,79 @@ internal_setblocking(PySocketSockObject *s, int block)
     return 1;
 }
 
-/* Do a select()/poll() on the socket, if necessary (sock_timeout > 0).
-   The argument writing indicates the direction.
-   This does not raise an exception; we'll let our caller do that
-   after they've reacquired the interpreter lock.
-   Returns 1 on timeout, -1 on error, 0 otherwise. */
 static int
-internal_select_ex(PySocketSockObject *s, int writing, double interval)
+internal_select(PySocketSockObject *s, int writing, _PyTime_t interval,
+                int connect)
 {
     int n;
+#ifdef HAVE_POLL
+    struct pollfd pollfd;
+    _PyTime_t ms;
+#else
+    fd_set fds, efds;
+    struct timeval tv, *tvp;
+#endif
 
-    /* Nothing to do unless we're in timeout mode (not non-blocking) */
-    if (s->sock_timeout <= 0.0)
-        return 0;
+#ifdef WITH_THREAD
+    /* must be called with the GIL held */
+    assert(PyGILState_Check());
+#endif
+
+    /* Error condition is for output only */
+    assert(!(connect && !writing));
 
     /* Guard against closed socket */
     if (s->sock_fd < 0)
         return 0;
 
-    /* Handling this condition here simplifies the select loops */
-    if (interval < 0.0)
-        return 1;
-
     /* Prefer poll, if available, since you can poll() any fd
      * which can't be done with select(). */
 #ifdef HAVE_POLL
-    {
-        struct pollfd pollfd;
-        int timeout;
+    pollfd.fd = s->sock_fd;
+    pollfd.events = writing ? POLLOUT : POLLIN;
+    if (connect) {
+        /* On Windows, the socket becomes writable on connection success,
+           but a connection failure is notified as an error. On POSIX, the
+           socket becomes writable on connection success or on connection
+           failure. */
+        pollfd.events |= POLLERR;
+    }
 
-        pollfd.fd = s->sock_fd;
-        pollfd.events = writing ? POLLOUT : POLLIN;
+    /* s->sock_timeout is in seconds, timeout in ms */
+    ms = _PyTime_AsMilliseconds(interval, _PyTime_ROUND_CEILING);
+    assert(ms <= INT_MAX);
 
-        /* s->sock_timeout is in seconds, timeout in ms */
-        timeout = (int)(interval * 1000 + 0.5);
-        n = poll(&pollfd, 1, timeout);
-    }
+    Py_BEGIN_ALLOW_THREADS;
+    n = poll(&pollfd, 1, (int)ms);
+    Py_END_ALLOW_THREADS;
 #else
-    {
-        /* Construct the arguments to select */
-        fd_set fds;
-        struct timeval tv;
-        tv.tv_sec = (int)interval;
-        tv.tv_usec = (int)((interval - tv.tv_sec) * 1e6);
-        FD_ZERO(&fds);
-        FD_SET(s->sock_fd, &fds);
-
-        /* See if the socket is ready */
-        if (writing)
-            n = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
-                       NULL, &fds, NULL, &tv);
-        else
-            n = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
-                       &fds, NULL, NULL, &tv);
+    if (interval >= 0) {
+        _PyTime_AsTimeval_noraise(interval, &tv, _PyTime_ROUND_CEILING);
+        tvp = &tv;
     }
+    else
+        tvp = NULL;
+
+    FD_ZERO(&fds);
+    FD_SET(s->sock_fd, &fds);
+    FD_ZERO(&efds);
+    if (connect) {
+        /* On Windows, the socket becomes writable on connection success,
+           but a connection failure is notified as an error. On POSIX, the
+           socket becomes writable on connection success or on connection
+           failure. */
+        FD_SET(s->sock_fd, &efds);
+    }
+
+    /* See if the socket is ready */
+    Py_BEGIN_ALLOW_THREADS;
+    if (writing)
+        n = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
+                   NULL, &fds, &efds, tvp);
+    else
+        n = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
+                   &fds, NULL, &efds, tvp);
+    Py_END_ALLOW_THREADS;
 #endif
 
     if (n < 0)
@@ -650,56 +686,166 @@ internal_select_ex(PySocketSockObject *s, int writing, double interval)
     return 0;
 }
 
+/* Call a socket function.
+
+   On error, raise an exception and return -1 if err is set, or fill err and
+   return -1 otherwise. If a signal was received and the signal handler raised
+   an exception, return -1, and set err to -1 if err is set.
+
+   On success, return 0, and set err to 0 if err is set.
+
+   If the socket has a timeout, wait until the socket is ready before calling
+   the function: wait until the socket is writable if writing is nonzero, wait
+   until the socket received data otherwise.
+
+   If the socket function is interrupted by a signal (failed with EINTR): retry
+   the function, except if the signal handler raised an exception (PEP 475).
+
+   When the function is retried, recompute the timeout using a monotonic clock.
+
+   sock_call_ex() must be called with the GIL held. The socket function is
+   called with the GIL released. */
 static int
-internal_select(PySocketSockObject *s, int writing)
+sock_call_ex(PySocketSockObject *s,
+             int writing,
+             int (*sock_func) (PySocketSockObject *s, void *data),
+             void *data,
+             int connect,
+             int *err,
+             _PyTime_t timeout)
 {
-    return internal_select_ex(s, writing, s->sock_timeout);
-}
+    int has_timeout = (timeout > 0);
+    _PyTime_t deadline = 0;
+    int deadline_initialized = 0;
+    int res;
 
-/*
-   Two macros for automatic retry of select() in case of false positives
-   (for example, select() could indicate a socket is ready for reading
-    but the data then discarded by the OS because of a wrong checksum).
-   Here is an example of use:
+    /* sock_call() must be called with the GIL held. */
+    assert(PyGILState_Check());
+
+    /* outer loop to retry select() when select() is interrupted by a signal
+       or to retry select()+sock_func() on false positive (see above) */
+    while (1) {
+        /* For connect(), poll even for blocking socket. The connection
+           runs asynchronously. */
+        if (has_timeout || connect) {
+            if (has_timeout) {
+                _PyTime_t interval;
+
+                if (deadline_initialized) {
+                    /* recompute the timeout */
+                    interval = deadline - _PyTime_GetMonotonicClock();
+                }
+                else {
+                    deadline_initialized = 1;
+                    deadline = _PyTime_GetMonotonicClock() + timeout;
+                    interval = timeout;
+                }
 
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS
-    timeout = internal_select_ex(s, 0, interval);
-    if (!timeout)
-        outlen = recv(s->sock_fd, cbuf, len, flags);
-    Py_END_ALLOW_THREADS
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
+                if (interval >= 0)
+                    res = internal_select(s, writing, interval, connect);
+                else
+                    res = 1;
+            }
+            else {
+                res = internal_select(s, writing, timeout, connect);
+            }
+
+            if (res == -1) {
+                if (err)
+                    *err = GET_SOCK_ERROR;
+
+                if (CHECK_ERRNO(EINTR)) {
+                    /* select() was interrupted by a signal */
+                    if (PyErr_CheckSignals()) {
+                        if (err)
+                            *err = -1;
+                        return -1;
+                    }
+
+                    /* retry select() */
+                    continue;
+                }
+
+                /* select() failed */
+                s->errorhandler();
+                return -1;
+            }
+
+            if (res == 1) {
+                if (err)
+                    *err = SOCK_TIMEOUT_ERR;
+                else
+                    PyErr_SetString(socket_timeout, "timed out");
+                return -1;
+            }
+
+            /* the socket is ready */
+        }
+
+        /* inner loop to retry sock_func() when sock_func() is interrupted
+           by a signal */
+        while (1) {
+            Py_BEGIN_ALLOW_THREADS
+            res = sock_func(s, data);
+            Py_END_ALLOW_THREADS
+
+            if (res) {
+                /* sock_func() succeeded */
+                if (err)
+                    *err = 0;
+                return 0;
+            }
+
+            if (err)
+                *err = GET_SOCK_ERROR;
+
+            if (!CHECK_ERRNO(EINTR))
+                break;
+
+            /* sock_func() was interrupted by a signal */
+            if (PyErr_CheckSignals()) {
+                if (err)
+                    *err = -1;
+                return -1;
+            }
+
+            /* retry sock_func() */
+        }
+
+        if (s->sock_timeout > 0
+            && (CHECK_ERRNO(EWOULDBLOCK) || CHECK_ERRNO(EAGAIN))) {
+            /* False positive: sock_func() failed with EWOULDBLOCK or EAGAIN.
+
+               For example, select() could indicate a socket is ready for
+               reading, but the data then discarded by the OS because of a
+               wrong checksum.
+
+               Loop on select() to recheck for socket readyness. */
+            continue;
+        }
+
+        /* sock_func() failed */
+        if (!err)
+            s->errorhandler();
+        /* else: err was already set before */
         return -1;
     }
-    END_SELECT_LOOP(s)
-*/
+}
+
+static int
+sock_call(PySocketSockObject *s,
+          int writing,
+          int (*func) (PySocketSockObject *s, void *data),
+          void *data)
+{
+    return sock_call_ex(s, writing, func, data, 0, NULL, s->sock_timeout);
+}
 
-#define BEGIN_SELECT_LOOP(s) \
-    { \
-        _PyTime_timeval now, deadline = {0, 0}; \
-        double interval = s->sock_timeout; \
-        int has_timeout = s->sock_timeout > 0.0; \
-        if (has_timeout) { \
-            _PyTime_gettimeofday(&now); \
-            deadline = now; \
-            _PyTime_ADD_SECONDS(deadline, s->sock_timeout); \
-        } \
-        while (1) { \
-            errno = 0; \
-
-#define END_SELECT_LOOP(s) \
-            if (!has_timeout || \
-                (!CHECK_ERRNO(EWOULDBLOCK) && !CHECK_ERRNO(EAGAIN))) \
-                break; \
-            _PyTime_gettimeofday(&now); \
-            interval = _PyTime_INTERVAL(now, deadline); \
-        } \
-    } \
 
 /* Initialize a new socket object. */
 
-static double defaulttimeout = -1.0; /* Default timeout for new sockets */
+/* Default timeout for new sockets */
+static _PyTime_t defaulttimeout = _PYTIME_FROMSECONDS(-1);
 
 static void
 init_sockobject(PySocketSockObject *s,
@@ -713,12 +859,12 @@ init_sockobject(PySocketSockObject *s,
     s->errorhandler = &set_error;
 #ifdef SOCK_NONBLOCK
     if (type & SOCK_NONBLOCK)
-        s->sock_timeout = 0.0;
+        s->sock_timeout = 0;
     else
 #endif
     {
         s->sock_timeout = defaulttimeout;
-        if (defaulttimeout >= 0.0)
+        if (defaulttimeout >= 0)
             internal_setblocking(s, 0);
     }
 
@@ -1214,6 +1360,71 @@ makesockaddr(SOCKET_T sockfd, struct sockaddr *addr, size_t addrlen, int proto)
     }
 }
 
+/* Helper for getsockaddrarg: bypass IDNA for ASCII-only host names
+   (in particular, numeric IP addresses). */
+struct maybe_idna {
+    PyObject *obj;
+    char *buf;
+};
+
+static void
+idna_cleanup(struct maybe_idna *data)
+{
+    Py_CLEAR(data->obj);
+}
+
+static int
+idna_converter(PyObject *obj, struct maybe_idna *data)
+{
+    size_t len;
+    PyObject *obj2, *obj3;
+    if (obj == NULL) {
+        idna_cleanup(data);
+        return 1;
+    }
+    data->obj = NULL;
+    len = -1;
+    if (PyBytes_Check(obj)) {
+        data->buf = PyBytes_AsString(obj);
+        len = PyBytes_Size(obj);
+    }
+    else if (PyByteArray_Check(obj)) {
+        data->buf = PyByteArray_AsString(obj);
+        len = PyByteArray_Size(obj);
+    }
+    else if (PyUnicode_Check(obj) && PyUnicode_READY(obj) == 0 && PyUnicode_IS_COMPACT_ASCII(obj)) {
+        data->buf = PyUnicode_DATA(obj);
+        len = PyUnicode_GET_LENGTH(obj);
+    }
+    else {
+        obj2 = PyUnicode_FromObject(obj);
+        if (!obj2) {
+            PyErr_Format(PyExc_TypeError, "string or unicode text buffer expected, not %s",
+                         obj->ob_type->tp_name);
+            return 0;
+        }
+        obj3 = PyUnicode_AsEncodedString(obj2, "idna", NULL);
+        Py_DECREF(obj2);
+        if (!obj3) {
+            PyErr_SetString(PyExc_TypeError, "encoding of hostname failed");
+            return 0;
+        }
+        if (!PyBytes_Check(obj3)) {
+            Py_DECREF(obj3);
+            PyErr_SetString(PyExc_TypeError, "encoding of hostname failed to return bytes");
+            return 0;
+        }
+        data->obj = obj3;
+        data->buf = PyBytes_AS_STRING(obj3);
+        len = PyBytes_GET_SIZE(obj3);
+    }
+    if (strlen(data->buf) != len) {
+        Py_CLEAR(data->obj);
+        PyErr_SetString(PyExc_TypeError, "host name must not contain null character");
+        return 0;
+    }
+    return Py_CLEANUP_SUPPORTED;
+}
 
 /* Parse a socket address argument according to the socket object's
    address family.  Return 1 if the address was in the proper format,
@@ -1230,8 +1441,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
     case AF_UNIX:
     {
         struct sockaddr_un* addr;
-        char *path;
-        int len;
+        Py_buffer path;
         int retval = 0;
 
         /* PEP 383.  Not using PyUnicode_FSConverter since we need to
@@ -1242,14 +1452,17 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
         }
         else
             Py_INCREF(args);
-        if (!PyArg_Parse(args, "y#", &path, &len))
-            goto unix_out;
+        if (!PyArg_Parse(args, "y*", &path)) {
+            Py_DECREF(args);
+            return retval;
+        }
+        assert(path.len >= 0);
 
         addr = (struct sockaddr_un*)addr_ret;
 #ifdef linux
-        if (len > 0 && path[0] == 0) {
+        if (path.len > 0 && *(const char *)path.buf == 0) {
             /* Linux abstract namespace extension */
-            if (len > sizeof addr->sun_path) {
+            if ((size_t)path.len > sizeof addr->sun_path) {
                 PyErr_SetString(PyExc_OSError,
                                 "AF_UNIX path too long");
                 goto unix_out;
@@ -1259,18 +1472,19 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
 #endif /* linux */
         {
             /* regular NULL-terminated string */
-            if (len >= sizeof addr->sun_path) {
+            if ((size_t)path.len >= sizeof addr->sun_path) {
                 PyErr_SetString(PyExc_OSError,
                                 "AF_UNIX path too long");
                 goto unix_out;
             }
-            addr->sun_path[len] = 0;
+            addr->sun_path[path.len] = 0;
         }
         addr->sun_family = s->sock_family;
-        memcpy(addr->sun_path, path, len);
-        *len_ret = len + offsetof(struct sockaddr_un, sun_path);
+        memcpy(addr->sun_path, path.buf, path.len);
+        *len_ret = path.len + offsetof(struct sockaddr_un, sun_path);
         retval = 1;
     unix_out:
+        PyBuffer_Release(&path);
         Py_DECREF(args);
         return retval;
     }
@@ -1308,7 +1522,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
     case AF_INET:
     {
         struct sockaddr_in* addr;
-        char *host;
+        struct maybe_idna host = {NULL, NULL};
         int port, result;
         if (!PyTuple_Check(args)) {
             PyErr_Format(
@@ -1318,13 +1532,13 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
                 Py_TYPE(args)->tp_name);
             return 0;
         }
-        if (!PyArg_ParseTuple(args, "eti:getsockaddrarg",
-                              "idna", &host, &port))
+        if (!PyArg_ParseTuple(args, "O&i:getsockaddrarg",
+                              idna_converter, &host, &port))
             return 0;
         addr=(struct sockaddr_in*)addr_ret;
-        result = setipaddr(host, (struct sockaddr *)addr,
+        result = setipaddr(host.buf, (struct sockaddr *)addr,
                            sizeof(*addr),  AF_INET);
-        PyMem_Free(host);
+        idna_cleanup(&host);
         if (result < 0)
             return 0;
         if (port < 0 || port > 0xffff) {
@@ -1343,7 +1557,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
     case AF_INET6:
     {
         struct sockaddr_in6* addr;
-        char *host;
+        struct maybe_idna host = {NULL, NULL};
         int port, result;
         unsigned int flowinfo, scope_id;
         flowinfo = scope_id = 0;
@@ -1355,15 +1569,15 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
                 Py_TYPE(args)->tp_name);
             return 0;
         }
-        if (!PyArg_ParseTuple(args, "eti|II",
-                              "idna", &host, &port, &flowinfo,
+        if (!PyArg_ParseTuple(args, "O&i|II",
+                              idna_converter, &host, &port, &flowinfo,
                               &scope_id)) {
             return 0;
         }
         addr = (struct sockaddr_in6*)addr_ret;
-        result = setipaddr(host, (struct sockaddr *)addr,
+        result = setipaddr(host.buf, (struct sockaddr *)addr,
                            sizeof(*addr), AF_INET6);
-        PyMem_Free(host);
+        idna_cleanup(&host);
         if (result < 0)
             return 0;
         if (port < 0 || port > 0xffff) {
@@ -1492,8 +1706,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
         int protoNumber;
         int hatype = 0;
         int pkttype = 0;
-        char *haddr = NULL;
-        unsigned int halen = 0;
+        Py_buffer haddr = {NULL, NULL};
 
         if (!PyTuple_Check(args)) {
             PyErr_Format(
@@ -1503,25 +1716,28 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
                 Py_TYPE(args)->tp_name);
             return 0;
         }
-        if (!PyArg_ParseTuple(args, "si|iiy#", &interfaceName,
+        if (!PyArg_ParseTuple(args, "si|iiy*", &interfaceName,
                               &protoNumber, &pkttype, &hatype,
-                              &haddr, &halen))
+                              &haddr))
             return 0;
         strncpy(ifr.ifr_name, interfaceName, sizeof(ifr.ifr_name));
         ifr.ifr_name[(sizeof(ifr.ifr_name))-1] = '\0';
         if (ioctl(s->sock_fd, SIOCGIFINDEX, &ifr) < 0) {
             s->errorhandler();
+            PyBuffer_Release(&haddr);
             return 0;
         }
-        if (halen > 8) {
-          PyErr_SetString(PyExc_ValueError,
-                          "Hardware address must be 8 bytes or less");
-          return 0;
+        if (haddr.buf && haddr.len > 8) {
+            PyErr_SetString(PyExc_ValueError,
+                            "Hardware address must be 8 bytes or less");
+            PyBuffer_Release(&haddr);
+            return 0;
         }
         if (protoNumber < 0 || protoNumber > 0xffff) {
             PyErr_SetString(
                 PyExc_OverflowError,
                 "getsockaddrarg: protoNumber must be 0-65535.");
+            PyBuffer_Release(&haddr);
             return 0;
         }
         addr = (struct sockaddr_ll*)addr_ret;
@@ -1530,11 +1746,14 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
         addr->sll_ifindex = ifr.ifr_ifindex;
         addr->sll_pkttype = pkttype;
         addr->sll_hatype = hatype;
-        if (halen != 0) {
-          memcpy(&addr->sll_addr, haddr, halen);
+        if (haddr.buf) {
+            memcpy(&addr->sll_addr, haddr.buf, haddr.len);
+            addr->sll_halen = haddr.len;
         }
-        addr->sll_halen = halen;
+        else
+            addr->sll_halen = 0;
         *len_ret = sizeof *addr;
+        PyBuffer_Release(&haddr);
         return 1;
     }
 #endif
@@ -1611,7 +1830,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
 
             if (len == 0) {
                 ifr.ifr_ifindex = 0;
-            } else if (len < sizeof(ifr.ifr_name)) {
+            } else if ((size_t)len < sizeof(ifr.ifr_name)) {
                 strncpy(ifr.ifr_name, PyBytes_AS_STRING(interfaceName), sizeof(ifr.ifr_name));
                 ifr.ifr_name[(sizeof(ifr.ifr_name))-1] = '\0';
                 if (ioctl(s->sock_fd, SIOCGIFINDEX, &ifr) < 0) {
@@ -1661,7 +1880,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
                     return 0;
                 }
 
-                if (PyBytes_GET_SIZE(ctl_name) > sizeof(info.ctl_name)) {
+                if (PyBytes_GET_SIZE(ctl_name) > (Py_ssize_t)sizeof(info.ctl_name)) {
                     PyErr_SetString(PyExc_ValueError,
                                     "provided string is too long");
                     Py_DECREF(ctl_name);
@@ -1896,8 +2115,15 @@ cmsg_min_space(struct msghdr *msg, struct cmsghdr *cmsgh, size_t space)
     #pragma clang diagnostic push
     #pragma clang diagnostic ignored "-Wtautological-compare"
     #endif
+    #if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wtype-limits"
+    #endif
     if (msg->msg_controllen < 0)
         return 0;
+    #if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))
+    #pragma GCC diagnostic pop
+    #endif
     #ifdef __clang__
     #pragma clang diagnostic pop
     #endif
@@ -1955,22 +2181,51 @@ get_cmsg_data_len(struct msghdr *msg, struct cmsghdr *cmsgh, size_t *data_len)
 #endif    /* CMSG_LEN */
 
 
+struct sock_accept {
+    socklen_t *addrlen;
+    sock_addr_t *addrbuf;
+    SOCKET_T result;
+};
+
+#if defined(HAVE_ACCEPT4) && defined(SOCK_CLOEXEC)
+/* accept4() is available on Linux 2.6.28+ and glibc 2.10 */
+static int accept4_works = -1;
+#endif
+
+static int
+sock_accept_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_accept *ctx = data;
+
+#if defined(HAVE_ACCEPT4) && defined(SOCK_CLOEXEC)
+    if (accept4_works != 0) {
+        ctx->result = accept4(s->sock_fd, SAS2SA(ctx->addrbuf), ctx->addrlen,
+                              SOCK_CLOEXEC);
+        if (ctx->result == INVALID_SOCKET && accept4_works == -1) {
+            /* On Linux older than 2.6.28, accept4() fails with ENOSYS */
+            accept4_works = (errno != ENOSYS);
+        }
+    }
+    if (accept4_works == 0)
+        ctx->result = accept(s->sock_fd, SAS2SA(ctx->addrbuf), ctx->addrlen);
+#else
+    ctx->result = accept(s->sock_fd, SAS2SA(ctx->addrbuf), ctx->addrlen);
+#endif
+    return (ctx->result >= 0);
+}
+
 /* s._accept() -> (fd, address) */
 
 static PyObject *
 sock_accept(PySocketSockObject *s)
 {
     sock_addr_t addrbuf;
-    SOCKET_T newfd = INVALID_SOCKET;
+    SOCKET_T newfd;
     socklen_t addrlen;
     PyObject *sock = NULL;
     PyObject *addr = NULL;
     PyObject *res = NULL;
-    int timeout;
-#if defined(HAVE_ACCEPT4) && defined(SOCK_CLOEXEC)
-    /* accept4() is available on Linux 2.6.28+ and glibc 2.10 */
-    static int accept4_works = -1;
-#endif
+    struct sock_accept ctx;
 
     if (!getsockaddrlen(s, &addrlen))
         return NULL;
@@ -1979,36 +2234,11 @@ sock_accept(PySocketSockObject *s)
     if (!IS_SELECTABLE(s))
         return select_error();
 
-    BEGIN_SELECT_LOOP(s)
-
-    Py_BEGIN_ALLOW_THREADS
-    timeout = internal_select_ex(s, 0, interval);
-    if (!timeout) {
-#if defined(HAVE_ACCEPT4) && defined(SOCK_CLOEXEC)
-        if (accept4_works != 0) {
-            newfd = accept4(s->sock_fd, SAS2SA(&addrbuf), &addrlen,
-                            SOCK_CLOEXEC);
-            if (newfd == INVALID_SOCKET && accept4_works == -1) {
-                /* On Linux older than 2.6.28, accept4() fails with ENOSYS */
-                accept4_works = (errno != ENOSYS);
-            }
-        }
-        if (accept4_works == 0)
-            newfd = accept(s->sock_fd, SAS2SA(&addrbuf), &addrlen);
-#else
-        newfd = accept(s->sock_fd, SAS2SA(&addrbuf), &addrlen);
-#endif
-    }
-    Py_END_ALLOW_THREADS
-
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
+    ctx.addrlen = &addrlen;
+    ctx.addrbuf = &addrbuf;
+    if (sock_call(s, 0, sock_accept_impl, &ctx) < 0)
         return NULL;
-    }
-    END_SELECT_LOOP(s)
-
-    if (newfd == INVALID_SOCKET)
-        return s->errorhandler();
+    newfd = ctx.result;
 
 #ifdef MS_WINDOWS
     if (!SetHandleInformation((HANDLE)newfd, HANDLE_FLAG_INHERIT, 0)) {
@@ -2069,7 +2299,7 @@ sock_setblocking(PySocketSockObject *s, PyObject *arg)
     if (block == -1 && PyErr_Occurred())
         return NULL;
 
-    s->sock_timeout = block ? -1.0 : 0.0;
+    s->sock_timeout = _PyTime_FromSeconds(block ? -1 : 0);
     internal_setblocking(s, block);
 
     Py_INCREF(Py_None);
@@ -2083,6 +2313,47 @@ Set the socket to blocking (flag is true) or non-blocking (false).\n\
 setblocking(True) is equivalent to settimeout(None);\n\
 setblocking(False) is equivalent to settimeout(0.0).");
 
+static int
+socket_parse_timeout(_PyTime_t *timeout, PyObject *timeout_obj)
+{
+#ifdef MS_WINDOWS
+    struct timeval tv;
+#endif
+#ifndef HAVE_POLL
+    _PyTime_t ms;
+#endif
+    int overflow = 0;
+
+    if (timeout_obj == Py_None) {
+        *timeout = _PyTime_FromSeconds(-1);
+        return 0;
+    }
+
+    if (_PyTime_FromSecondsObject(timeout,
+                                  timeout_obj, _PyTime_ROUND_CEILING) < 0)
+        return -1;
+
+    if (*timeout < 0) {
+        PyErr_SetString(PyExc_ValueError, "Timeout value out of range");
+        return -1;
+    }
+
+#ifdef MS_WINDOWS
+    overflow |= (_PyTime_AsTimeval(*timeout, &tv, _PyTime_ROUND_CEILING) < 0);
+#endif
+#ifndef HAVE_POLL
+    ms = _PyTime_AsMilliseconds(*timeout, _PyTime_ROUND_CEILING);
+    overflow |= (ms > INT_MAX);
+#endif
+    if (overflow) {
+        PyErr_SetString(PyExc_OverflowError,
+                        "timeout doesn't fit into C timeval");
+        return -1;
+    }
+
+    return 0;
+}
+
 /* s.settimeout(timeout) method.  Argument:
    None -- no timeout, blocking mode; same as setblocking(True)
    0.0  -- non-blocking mode; same as setblocking(False)
@@ -2092,22 +2363,13 @@ setblocking(False) is equivalent to settimeout(0.0).");
 static PyObject *
 sock_settimeout(PySocketSockObject *s, PyObject *arg)
 {
-    double timeout;
+    _PyTime_t timeout;
 
-    if (arg == Py_None)
-        timeout = -1.0;
-    else {
-        timeout = PyFloat_AsDouble(arg);
-        if (timeout < 0.0) {
-            if (!PyErr_Occurred())
-                PyErr_SetString(PyExc_ValueError,
-                                "Timeout value out of range");
-            return NULL;
-        }
-    }
+    if (socket_parse_timeout(&timeout, arg) < 0)
+        return NULL;
 
     s->sock_timeout = timeout;
-    internal_setblocking(s, timeout < 0.0);
+    internal_setblocking(s, timeout < 0);
 
     Py_INCREF(Py_None);
     return Py_None;
@@ -2126,12 +2388,14 @@ Setting a timeout of zero is the same as setblocking(0).");
 static PyObject *
 sock_gettimeout(PySocketSockObject *s)
 {
-    if (s->sock_timeout < 0.0) {
+    if (s->sock_timeout < 0) {
         Py_INCREF(Py_None);
         return Py_None;
     }
-    else
-        return PyFloat_FromDouble(s->sock_timeout);
+    else {
+        double seconds = _PyTime_AsSecondsDouble(s->sock_timeout);
+        return PyFloat_FromDouble(seconds);
+    }
 }
 
 PyDoc_STRVAR(gettimeout_doc,
@@ -2152,22 +2416,22 @@ sock_setsockopt(PySocketSockObject *s, PyObject *args)
     int level;
     int optname;
     int res;
-    char *buf;
-    int buflen;
+    Py_buffer optval;
     int flag;
 
     if (PyArg_ParseTuple(args, "iii:setsockopt",
                          &level, &optname, &flag)) {
-        buf = (char *) &flag;
-        buflen = sizeof flag;
+        res = setsockopt(s->sock_fd, level, optname,
+                         (char*)&flag, sizeof flag);
     }
     else {
         PyErr_Clear();
-        if (!PyArg_ParseTuple(args, "iiy#:setsockopt",
-                              &level, &optname, &buf, &buflen))
+        if (!PyArg_ParseTuple(args, "iiy*:setsockopt",
+                              &level, &optname, &optval))
             return NULL;
+        res = setsockopt(s->sock_fd, level, optname, optval.buf, optval.len);
+        PyBuffer_Release(&optval);
     }
-    res = setsockopt(s->sock_fd, level, optname, (void *)buf, buflen);
     if (res < 0)
         return s->errorhandler();
     Py_INCREF(Py_None);
@@ -2271,6 +2535,10 @@ sock_close(PySocketSockObject *s)
 {
     SOCKET_T fd;
 
+    /* We do not want to retry upon EINTR: see http://lwn.net/Articles/576478/
+     * and http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
+     * for more details.
+     */
     if ((fd = s->sock_fd) != -1) {
         s->sock_fd = -1;
         Py_BEGIN_ALLOW_THREADS
@@ -2302,92 +2570,90 @@ The object cannot be used after this call, but the file descriptor\n\
 can be reused for other purposes.  The file descriptor is returned.");
 
 static int
+sock_connect_impl(PySocketSockObject *s, void* Py_UNUSED(data))
+{
+    int err;
+    socklen_t size = sizeof err;
+
+    if (getsockopt(s->sock_fd, SOL_SOCKET, SO_ERROR, (void *)&err, &size)) {
+        /* getsockopt() failed */
+        return 0;
+    }
+
+    if (err == EISCONN)
+        return 1;
+    if (err != 0) {
+        /* sock_call_ex() uses GET_SOCK_ERROR() to get the error code */
+        SET_SOCK_ERROR(err);
+        return 0;
+    }
+    return 1;
+}
+
+static int
 internal_connect(PySocketSockObject *s, struct sockaddr *addr, int addrlen,
-                 int *timeoutp)
+                 int raise)
 {
-    int res, timeout;
+    int res, err, wait_connect;
 
-    timeout = 0;
+    Py_BEGIN_ALLOW_THREADS
     res = connect(s->sock_fd, addr, addrlen);
+    Py_END_ALLOW_THREADS
 
-#ifdef MS_WINDOWS
-
-    if (s->sock_timeout > 0.0) {
-        if (res < 0 && WSAGetLastError() == WSAEWOULDBLOCK &&
-            IS_SELECTABLE(s)) {
-            /* This is a mess.  Best solution: trust select */
-            fd_set fds;
-            fd_set fds_exc;
-            struct timeval tv;
-            tv.tv_sec = (int)s->sock_timeout;
-            tv.tv_usec = (int)((s->sock_timeout - tv.tv_sec) * 1e6);
-            FD_ZERO(&fds);
-            FD_SET(s->sock_fd, &fds);
-            FD_ZERO(&fds_exc);
-            FD_SET(s->sock_fd, &fds_exc);
-            res = select(Py_SAFE_DOWNCAST(s->sock_fd+1, SOCKET_T, int),
-                         NULL, &fds, &fds_exc, &tv);
-            if (res == 0) {
-                res = WSAEWOULDBLOCK;
-                timeout = 1;
-            } else if (res > 0) {
-                if (FD_ISSET(s->sock_fd, &fds))
-                    /* The socket is in the writable set - this
-                       means connected */
-                    res = 0;
-                else {
-                    /* As per MS docs, we need to call getsockopt()
-                       to get the underlying error */
-                    int res_size = sizeof res;
-                    /* It must be in the exception set */
-                    assert(FD_ISSET(s->sock_fd, &fds_exc));
-                    if (0 == getsockopt(s->sock_fd, SOL_SOCKET, SO_ERROR,
-                                        (char *)&res, &res_size))
-                        /* getsockopt also clears WSAGetLastError,
-                           so reset it back. */
-                        WSASetLastError(res);
-                    else
-                        res = WSAGetLastError();
-                }
-            }
-            /* else if (res < 0) an error occurred */
-        }
+    if (!res) {
+        /* connect() succeeded, the socket is connected */
+        return 0;
     }
 
-    if (res < 0)
-        res = WSAGetLastError();
+    /* connect() failed */
 
-#else
+    /* save error, PyErr_CheckSignals() can replace it */
+    err = GET_SOCK_ERROR;
+    if (CHECK_ERRNO(EINTR)) {
+        if (PyErr_CheckSignals())
+            return -1;
 
-    if (s->sock_timeout > 0.0) {
-        if (res < 0 && errno == EINPROGRESS && IS_SELECTABLE(s)) {
-            timeout = internal_select(s, 1);
-            if (timeout == 0) {
-                /* Bug #1019808: in case of an EINPROGRESS,
-                   use getsockopt(SO_ERROR) to get the real
-                   error. */
-                socklen_t res_size = sizeof res;
-                (void)getsockopt(s->sock_fd, SOL_SOCKET,
-                                 SO_ERROR, &res, &res_size);
-                if (res == EISCONN)
-                    res = 0;
-                errno = res;
-            }
-            else if (timeout == -1) {
-                res = errno;            /* had error */
-            }
-            else
-                res = EWOULDBLOCK;                      /* timed out */
-        }
-    }
+        /* Issue #23618: when connect() fails with EINTR, the connection is
+           running asynchronously.
 
-    if (res < 0)
-        res = errno;
+           If the socket is blocking or has a timeout, wait until the
+           connection completes, fails or timed out using select(), and then
+           get the connection status using getsockopt(SO_ERROR).
 
-#endif
-    *timeoutp = timeout;
+           If the socket is non-blocking, raise InterruptedError. The caller is
+           responsible to wait until the connection completes, fails or timed
+           out (it's the case in asyncio for example). */
+        wait_connect = (s->sock_timeout != 0 && IS_SELECTABLE(s));
+    }
+    else {
+        wait_connect = (s->sock_timeout > 0 && err == SOCK_INPROGRESS_ERR
+                        && IS_SELECTABLE(s));
+    }
 
-    return res;
+    if (!wait_connect) {
+        if (raise) {
+            /* restore error, maybe replaced by PyErr_CheckSignals() */
+            SET_SOCK_ERROR(err);
+            s->errorhandler();
+            return -1;
+        }
+        else
+            return err;
+    }
+
+    if (raise) {
+        /* socket.connect() raises an exception on error */
+        if (sock_call_ex(s, 1, sock_connect_impl, NULL,
+                         1, NULL, s->sock_timeout) < 0)
+            return -1;
+    }
+    else {
+        /* socket.connect_ex() returns the error code on error */
+        if (sock_call_ex(s, 1, sock_connect_impl, NULL,
+                         1, &err, s->sock_timeout) < 0)
+            return err;
+    }
+    return 0;
 }
 
 /* s.connect(sockaddr) method */
@@ -2398,23 +2664,15 @@ sock_connect(PySocketSockObject *s, PyObject *addro)
     sock_addr_t addrbuf;
     int addrlen;
     int res;
-    int timeout;
 
     if (!getsockaddrarg(s, addro, SAS2SA(&addrbuf), &addrlen))
         return NULL;
 
-    Py_BEGIN_ALLOW_THREADS
-    res = internal_connect(s, SAS2SA(&addrbuf), addrlen, &timeout);
-    Py_END_ALLOW_THREADS
-
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
+    res = internal_connect(s, SAS2SA(&addrbuf), addrlen, 1);
+    if (res < 0)
         return NULL;
-    }
-    if (res != 0)
-        return s->errorhandler();
-    Py_INCREF(Py_None);
-    return Py_None;
+
+    Py_RETURN_NONE;
 }
 
 PyDoc_STRVAR(connect_doc,
@@ -2432,21 +2690,13 @@ sock_connect_ex(PySocketSockObject *s, PyObject *addro)
     sock_addr_t addrbuf;
     int addrlen;
     int res;
-    int timeout;
 
     if (!getsockaddrarg(s, addro, SAS2SA(&addrbuf), &addrlen))
         return NULL;
 
-    Py_BEGIN_ALLOW_THREADS
-    res = internal_connect(s, SAS2SA(&addrbuf), addrlen, &timeout);
-    Py_END_ALLOW_THREADS
-
-    /* Signals are not errors (though they may raise exceptions).  Adapted
-       from PyErr_SetFromErrnoWithFilenameObject(). */
-#ifdef EINTR
-    if (res == EINTR && PyErr_CheckSignals())
+    res = internal_connect(s, SAS2SA(&addrbuf), addrlen, 0);
+    if (res < 0)
         return NULL;
-#endif
 
     return PyLong_FromLong((long) res);
 }
@@ -2534,14 +2784,16 @@ info is a pair (hostaddr, port).");
 /* s.listen(n) method */
 
 static PyObject *
-sock_listen(PySocketSockObject *s, PyObject *arg)
+sock_listen(PySocketSockObject *s, PyObject *args)
 {
-    int backlog;
+    /* We try to choose a default backlog high enough to avoid connection drops
+     * for common workloads, yet not too high to limit resource usage. */
+    int backlog = Py_MIN(SOMAXCONN, 128);
     int res;
 
-    backlog = _PyLong_AsInt(arg);
-    if (backlog == -1 && PyErr_Occurred())
+    if (!PyArg_ParseTuple(args, "|i:listen", &backlog))
         return NULL;
+
     Py_BEGIN_ALLOW_THREADS
     /* To avoid problems on systems that don't allow a negative backlog
      * (which doesn't make sense anyway) we force a minimum value of 0. */
@@ -2556,12 +2808,34 @@ sock_listen(PySocketSockObject *s, PyObject *arg)
 }
 
 PyDoc_STRVAR(listen_doc,
-"listen(backlog)\n\
+"listen([backlog])\n\
 \n\
-Enable a server to accept connections.  The backlog argument must be at\n\
-least 0 (if it is lower, it is set to 0); it specifies the number of\n\
+Enable a server to accept connections.  If backlog is specified, it must be\n\
+at least 0 (if it is lower, it is set to 0); it specifies the number of\n\
 unaccepted connections that the system will allow before refusing new\n\
-connections.");
+connections. If not specified, a default reasonable value is chosen.");
+
+struct sock_recv {
+    char *cbuf;
+    Py_ssize_t len;
+    int flags;
+    Py_ssize_t result;
+};
+
+static int
+sock_recv_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_recv *ctx = data;
+
+#ifdef MS_WINDOWS
+    if (ctx->len > INT_MAX)
+        ctx->len = INT_MAX;
+    ctx->result = recv(s->sock_fd, ctx->cbuf, (int)ctx->len, ctx->flags);
+#else
+    ctx->result = recv(s->sock_fd, ctx->cbuf, ctx->len, ctx->flags);
+#endif
+    return (ctx->result >= 0);
+}
 
 
 /*
@@ -2576,8 +2850,7 @@ connections.");
 static Py_ssize_t
 sock_recv_guts(PySocketSockObject *s, char* cbuf, Py_ssize_t len, int flags)
 {
-    Py_ssize_t outlen = -1;
-    int timeout;
+    struct sock_recv ctx;
 
     if (!IS_SELECTABLE(s)) {
         select_error();
@@ -2588,32 +2861,13 @@ sock_recv_guts(PySocketSockObject *s, char* cbuf, Py_ssize_t len, int flags)
         return 0;
     }
 
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS
-    timeout = internal_select_ex(s, 0, interval);
-    if (!timeout) {
-#ifdef MS_WINDOWS
-        if (len > INT_MAX)
-            len = INT_MAX;
-        outlen = recv(s->sock_fd, cbuf, (int)len, flags);
-#else
-        outlen = recv(s->sock_fd, cbuf, len, flags);
-#endif
-    }
-    Py_END_ALLOW_THREADS
-
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
-        return -1;
-    }
-    END_SELECT_LOOP(s)
-    if (outlen < 0) {
-        /* Note: the call to errorhandler() ALWAYS indirectly returned
-           NULL, so ignore its return value */
-        s->errorhandler();
+    ctx.cbuf = cbuf;
+    ctx.len = len;
+    ctx.flags = flags;
+    if (sock_call(s, 0, sock_recv_impl, &ctx) < 0)
         return -1;
-    }
-    return outlen;
+
+    return ctx.result;
 }
 
 
@@ -2727,6 +2981,34 @@ is not specified (or 0), receive up to the size available in the given buffer.\n
 \n\
 See recv() for documentation about the flags.");
 
+struct sock_recvfrom {
+    char* cbuf;
+    Py_ssize_t len;
+    int flags;
+    socklen_t *addrlen;
+    sock_addr_t *addrbuf;
+    Py_ssize_t result;
+};
+
+static int
+sock_recvfrom_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_recvfrom *ctx = data;
+
+    memset(ctx->addrbuf, 0, *ctx->addrlen);
+
+#ifdef MS_WINDOWS
+    if (ctx->len > INT_MAX)
+        ctx->len = INT_MAX;
+    ctx->result = recvfrom(s->sock_fd, ctx->cbuf, (int)ctx->len, ctx->flags,
+                           SAS2SA(ctx->addrbuf), ctx->addrlen);
+#else
+    ctx->result = recvfrom(s->sock_fd, ctx->cbuf, ctx->len, ctx->flags,
+                           SAS2SA(ctx->addrbuf), ctx->addrlen);
+#endif
+    return (ctx->result >= 0);
+}
+
 
 /*
  * This is the guts of the recvfrom() and recvfrom_into() methods, which reads
@@ -2744,9 +3026,8 @@ sock_recvfrom_guts(PySocketSockObject *s, char* cbuf, Py_ssize_t len, int flags,
                    PyObject** addr)
 {
     sock_addr_t addrbuf;
-    int timeout;
-    Py_ssize_t n = -1;
     socklen_t addrlen;
+    struct sock_recvfrom ctx;
 
     *addr = NULL;
 
@@ -2758,38 +3039,20 @@ sock_recvfrom_guts(PySocketSockObject *s, char* cbuf, Py_ssize_t len, int flags,
         return -1;
     }
 
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS
-    memset(&addrbuf, 0, addrlen);
-    timeout = internal_select_ex(s, 0, interval);
-    if (!timeout) {
-#ifdef MS_WINDOWS
-        if (len > INT_MAX)
-            len = INT_MAX;
-        n = recvfrom(s->sock_fd, cbuf, (int)len, flags,
-                     (void *) &addrbuf, &addrlen);
-#else
-        n = recvfrom(s->sock_fd, cbuf, len, flags,
-                     SAS2SA(&addrbuf), &addrlen);
-#endif
-    }
-    Py_END_ALLOW_THREADS
-
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
+    ctx.cbuf = cbuf;
+    ctx.len = len;
+    ctx.flags = flags;
+    ctx.addrbuf = &addrbuf;
+    ctx.addrlen = &addrlen;
+    if (sock_call(s, 0, sock_recvfrom_impl, &ctx) < 0)
         return -1;
-    }
-    END_SELECT_LOOP(s)
-    if (n < 0) {
-        s->errorhandler();
-        return -1;
-    }
 
-    if (!(*addr = makesockaddr(s->sock_fd, SAS2SA(&addrbuf),
-                               addrlen, s->sock_proto)))
+    *addr = makesockaddr(s->sock_fd, SAS2SA(&addrbuf), addrlen,
+                         s->sock_proto);
+    if (*addr == NULL)
         return -1;
 
-    return n;
+    return ctx.result;
 }
 
 /* s.recvfrom(nbytes [,flags]) method */
@@ -2900,10 +3163,24 @@ PyDoc_STRVAR(recvfrom_into_doc,
 \n\
 Like recv_into(buffer[, nbytes[, flags]]) but also return the sender's address info.");
 
-
 /* The sendmsg() and recvmsg[_into]() methods require a working
    CMSG_LEN().  See the comment near get_CMSG_LEN(). */
 #ifdef CMSG_LEN
+struct sock_recvmsg {
+    struct msghdr *msg;
+    int flags;
+    ssize_t result;
+};
+
+static int
+sock_recvmsg_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_recvmsg *ctx = data;
+
+    ctx->result = recvmsg(s->sock_fd, ctx->msg, ctx->flags);
+    return  (ctx->result >= 0);
+}
+
 /*
  * Call recvmsg() with the supplied iovec structures, flags, and
  * ancillary data buffer size (controllen).  Returns the tuple return
@@ -2919,8 +3196,6 @@ sock_recvmsg_guts(PySocketSockObject *s, struct iovec *iov, int iovlen,
                   int flags, Py_ssize_t controllen,
                   PyObject *(*makeval)(ssize_t, void *), void *makeval_data)
 {
-    ssize_t bytes_received = -1;
-    int timeout;
     sock_addr_t addrbuf;
     socklen_t addrbuflen;
     struct msghdr msg = {0};
@@ -2929,6 +3204,7 @@ sock_recvmsg_guts(PySocketSockObject *s, struct iovec *iov, int iovlen,
     struct cmsghdr *cmsgh;
     size_t cmsgdatalen = 0;
     int cmsg_status;
+    struct sock_recvmsg ctx;
 
     /* XXX: POSIX says that msg_name and msg_namelen "shall be
        ignored" when the socket is connected (Linux fills them in
@@ -2955,28 +3231,17 @@ sock_recvmsg_guts(PySocketSockObject *s, struct iovec *iov, int iovlen,
         goto finally;
     }
 
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS;
     msg.msg_name = SAS2SA(&addrbuf);
     msg.msg_namelen = addrbuflen;
     msg.msg_iov = iov;
     msg.msg_iovlen = iovlen;
     msg.msg_control = controlbuf;
     msg.msg_controllen = controllen;
-    timeout = internal_select_ex(s, 0, interval);
-    if (!timeout)
-        bytes_received = recvmsg(s->sock_fd, &msg, flags);
-    Py_END_ALLOW_THREADS;
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
-        goto finally;
-    }
-    END_SELECT_LOOP(s)
 
-    if (bytes_received < 0) {
-        s->errorhandler();
+    ctx.msg = &msg;
+    ctx.flags = flags;
+    if (sock_call(s, 0, sock_recvmsg_impl, &ctx) < 0)
         goto finally;
-    }
 
     /* Make list of (level, type, data) tuples from control messages. */
     if ((cmsg_list = PyList_New(0)) == NULL)
@@ -3018,7 +3283,7 @@ sock_recvmsg_guts(PySocketSockObject *s, struct iovec *iov, int iovlen,
     }
 
     retval = Py_BuildValue("NOiN",
-                           (*makeval)(bytes_received, makeval_data),
+                           (*makeval)(ctx.result, makeval_data),
                            cmsg_list,
                            (int)msg.msg_flags,
                            makesockaddr(s->sock_fd, SAS2SA(&addrbuf),
@@ -3226,15 +3491,36 @@ SCM_RIGHTS mechanism.");
 #endif    /* CMSG_LEN */
 
 
+struct sock_send {
+    char *buf;
+    Py_ssize_t len;
+    int flags;
+    Py_ssize_t result;
+};
+
+static int
+sock_send_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_send *ctx = data;
+
+#ifdef MS_WINDOWS
+    if (ctx->len > INT_MAX)
+        ctx->len = INT_MAX;
+    ctx->result = send(s->sock_fd, ctx->buf, (int)ctx->len, ctx->flags);
+#else
+    ctx->result = send(s->sock_fd, ctx->buf, ctx->len, ctx->flags);
+#endif
+    return (ctx->result >= 0);
+}
+
 /* s.send(data [,flags]) method */
 
 static PyObject *
 sock_send(PySocketSockObject *s, PyObject *args)
 {
-    char *buf;
-    Py_ssize_t len, n = -1;
-    int flags = 0, timeout;
+    int flags = 0;
     Py_buffer pbuf;
+    struct sock_send ctx;
 
     if (!PyArg_ParseTuple(args, "y*|i:send", &pbuf, &flags))
         return NULL;
@@ -3243,33 +3529,16 @@ sock_send(PySocketSockObject *s, PyObject *args)
         PyBuffer_Release(&pbuf);
         return select_error();
     }
-    buf = pbuf.buf;
-    len = pbuf.len;
-
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS
-    timeout = internal_select_ex(s, 1, interval);
-    if (!timeout) {
-#ifdef MS_WINDOWS
-        if (len > INT_MAX)
-            len = INT_MAX;
-        n = send(s->sock_fd, buf, (int)len, flags);
-#else
-        n = send(s->sock_fd, buf, len, flags);
-#endif
-    }
-    Py_END_ALLOW_THREADS
-    if (timeout == 1) {
+    ctx.buf = pbuf.buf;
+    ctx.len = pbuf.len;
+    ctx.flags = flags;
+    if (sock_call(s, 1, sock_send_impl, &ctx) < 0) {
         PyBuffer_Release(&pbuf);
-        PyErr_SetString(socket_timeout, "timed out");
         return NULL;
     }
-    END_SELECT_LOOP(s)
-
     PyBuffer_Release(&pbuf);
-    if (n < 0)
-        return s->errorhandler();
-    return PyLong_FromSsize_t(n);
+
+    return PyLong_FromSsize_t(ctx.result);
 }
 
 PyDoc_STRVAR(send_doc,
@@ -3286,9 +3555,15 @@ static PyObject *
 sock_sendall(PySocketSockObject *s, PyObject *args)
 {
     char *buf;
-    Py_ssize_t len, n = -1;
-    int flags = 0, timeout, saved_errno;
+    Py_ssize_t len, n;
+    int flags = 0;
     Py_buffer pbuf;
+    struct sock_send ctx;
+    int has_timeout = (s->sock_timeout > 0);
+    _PyTime_t interval = s->sock_timeout;
+    _PyTime_t deadline = 0;
+    int deadline_initialized = 0;
+    PyObject *res = NULL;
 
     if (!PyArg_ParseTuple(args, "y*|i:sendall", &pbuf, &flags))
         return NULL;
@@ -3301,50 +3576,47 @@ sock_sendall(PySocketSockObject *s, PyObject *args)
     }
 
     do {
-        Py_BEGIN_ALLOW_THREADS
-        timeout = internal_select(s, 1);
-        n = -1;
-        if (!timeout) {
-#ifdef MS_WINDOWS
-            if (len > INT_MAX)
-                len = INT_MAX;
-            n = send(s->sock_fd, buf, (int)len, flags);
-#else
-            n = send(s->sock_fd, buf, len, flags);
-#endif
-        }
-        Py_END_ALLOW_THREADS
-        if (timeout == 1) {
-            PyBuffer_Release(&pbuf);
-            PyErr_SetString(socket_timeout, "timed out");
-            return NULL;
+        if (has_timeout) {
+            if (deadline_initialized) {
+                /* recompute the timeout */
+                interval = deadline - _PyTime_GetMonotonicClock();
+            }
+            else {
+                deadline_initialized = 1;
+                deadline = _PyTime_GetMonotonicClock() + s->sock_timeout;
+            }
+
+            if (interval <= 0) {
+                PyErr_SetString(socket_timeout, "timed out");
+                goto done;
+            }
         }
-        /* PyErr_CheckSignals() might change errno */
-        saved_errno = errno;
+
+        ctx.buf = buf;
+        ctx.len = len;
+        ctx.flags = flags;
+        if (sock_call_ex(s, 1, sock_send_impl, &ctx, 0, NULL, interval) < 0)
+            goto done;
+        n = ctx.result;
+        assert(n >= 0);
+
+        buf += n;
+        len -= n;
+
         /* We must run our signal handlers before looping again.
            send() can return a successful partial write when it is
            interrupted, so we can't restrict ourselves to EINTR. */
-        if (PyErr_CheckSignals()) {
-            PyBuffer_Release(&pbuf);
-            return NULL;
-        }
-        if (n < 0) {
-            /* If interrupted, try again */
-            if (saved_errno == EINTR)
-                continue;
-            else
-                break;
-        }
-        buf += n;
-        len -= n;
+        if (PyErr_CheckSignals())
+            goto done;
     } while (len > 0);
     PyBuffer_Release(&pbuf);
 
-    if (n < 0)
-        return s->errorhandler();
-
     Py_INCREF(Py_None);
-    return Py_None;
+    res = Py_None;
+
+done:
+    PyBuffer_Release(&pbuf);
+    return res;
 }
 
 PyDoc_STRVAR(sendall_doc,
@@ -3356,6 +3628,32 @@ until all data is sent.  If an error occurs, it's impossible\n\
 to tell how much data has been sent.");
 
 
+struct sock_sendto {
+    char *buf;
+    Py_ssize_t len;
+    int flags;
+    int addrlen;
+    sock_addr_t *addrbuf;
+    Py_ssize_t result;
+};
+
+static int
+sock_sendto_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_sendto *ctx = data;
+
+#ifdef MS_WINDOWS
+    if (ctx->len > INT_MAX)
+        ctx->len = INT_MAX;
+    ctx->result = sendto(s->sock_fd, ctx->buf, (int)ctx->len, ctx->flags,
+                         SAS2SA(ctx->addrbuf), ctx->addrlen);
+#else
+    ctx->result = sendto(s->sock_fd, ctx->buf, ctx->len, ctx->flags,
+                         SAS2SA(ctx->addrbuf), ctx->addrlen);
+#endif
+    return (ctx->result >= 0);
+}
+
 /* s.sendto(data, [flags,] sockaddr) method */
 
 static PyObject *
@@ -3363,11 +3661,10 @@ sock_sendto(PySocketSockObject *s, PyObject *args)
 {
     Py_buffer pbuf;
     PyObject *addro;
-    char *buf;
-    Py_ssize_t len, arglen;
+    Py_ssize_t arglen;
     sock_addr_t addrbuf;
-    int addrlen, flags, timeout;
-    Py_ssize_t n = -1;
+    int addrlen, flags;
+    struct sock_sendto ctx;
 
     flags = 0;
     arglen = PyTuple_Size(args);
@@ -3388,9 +3685,6 @@ sock_sendto(PySocketSockObject *s, PyObject *args)
     if (PyErr_Occurred())
         return NULL;
 
-    buf = pbuf.buf;
-    len = pbuf.len;
-
     if (!IS_SELECTABLE(s)) {
         PyBuffer_Release(&pbuf);
         return select_error();
@@ -3401,32 +3695,18 @@ sock_sendto(PySocketSockObject *s, PyObject *args)
         return NULL;
     }
 
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS
-    timeout = internal_select_ex(s, 1, interval);
-    if (!timeout) {
-#ifdef MS_WINDOWS
-        if (len > INT_MAX)
-            len = INT_MAX;
-        n = sendto(s->sock_fd, buf, (int)len, flags,
-                   SAS2SA(&addrbuf), addrlen);
-#else
-        n = sendto(s->sock_fd, buf, len, flags,
-                   SAS2SA(&addrbuf), addrlen);
-#endif
-    }
-    Py_END_ALLOW_THREADS
-
-    if (timeout == 1) {
+    ctx.buf = pbuf.buf;
+    ctx.len = pbuf.len;
+    ctx.flags = flags;
+    ctx.addrlen = addrlen;
+    ctx.addrbuf = &addrbuf;
+    if (sock_call(s, 1, sock_sendto_impl, &ctx) < 0) {
         PyBuffer_Release(&pbuf);
-        PyErr_SetString(socket_timeout, "timed out");
         return NULL;
     }
-    END_SELECT_LOOP(s)
     PyBuffer_Release(&pbuf);
-    if (n < 0)
-        return s->errorhandler();
-    return PyLong_FromSsize_t(n);
+
+    return PyLong_FromSsize_t(ctx.result);
 }
 
 PyDoc_STRVAR(sendto_doc,
@@ -3439,6 +3719,21 @@ For IP sockets, the address is a pair (hostaddr, port).");
 /* The sendmsg() and recvmsg[_into]() methods require a working
    CMSG_LEN().  See the comment near get_CMSG_LEN(). */
 #ifdef CMSG_LEN
+struct sock_sendmsg {
+    struct msghdr *msg;
+    int flags;
+    ssize_t result;
+};
+
+static int
+sock_sendmsg_impl(PySocketSockObject *s, void *data)
+{
+    struct sock_sendmsg *ctx = data;
+
+    ctx->result = sendmsg(s->sock_fd, ctx->msg, ctx->flags);
+    return (ctx->result >= 0);
+}
+
 /* s.sendmsg(buffers[, ancdata[, flags[, address]]]) method */
 
 static PyObject *
@@ -3456,10 +3751,10 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
     } *cmsgs = NULL;
     void *controlbuf = NULL;
     size_t controllen, controllen_last;
-    ssize_t bytes_sent = -1;
-    int addrlen, timeout, flags = 0;
+    int addrlen, flags = 0;
     PyObject *data_arg, *cmsg_arg = NULL, *addr_arg = NULL, *data_fast = NULL,
         *cmsg_fast = NULL, *retval = NULL;
+    struct sock_sendmsg ctx;
 
     if (!PyArg_ParseTuple(args, "O|OiO:sendmsg",
                           &data_arg, &cmsg_arg, &flags, &addr_arg))
@@ -3613,23 +3908,12 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
         goto finally;
     }
 
-    BEGIN_SELECT_LOOP(s)
-    Py_BEGIN_ALLOW_THREADS;
-    timeout = internal_select_ex(s, 1, interval);
-    if (!timeout)
-        bytes_sent = sendmsg(s->sock_fd, &msg, flags);
-    Py_END_ALLOW_THREADS;
-    if (timeout == 1) {
-        PyErr_SetString(socket_timeout, "timed out");
+    ctx.msg = &msg;
+    ctx.flags = flags;
+    if (sock_call(s, 1, sock_sendmsg_impl, &ctx) < 0)
         goto finally;
-    }
-    END_SELECT_LOOP(s)
 
-    if (bytes_sent < 0) {
-        s->errorhandler();
-        goto finally;
-    }
-    retval = PyLong_FromSsize_t(bytes_sent);
+    retval = PyLong_FromSsize_t(ctx.result);
 
 finally:
     PyMem_Free(controlbuf);
@@ -3796,7 +4080,7 @@ static PyMethodDef sock_methods[] = {
     {"share",         (PyCFunction)sock_share, METH_VARARGS,
                       sock_share_doc},
 #endif
-    {"listen",            (PyCFunction)sock_listen, METH_O,
+    {"listen",            (PyCFunction)sock_listen, METH_VARARGS,
                       listen_doc},
     {"recv",              (PyCFunction)sock_recv, METH_VARARGS,
                       recv_doc},
@@ -3838,10 +4122,14 @@ static PyMemberDef sock_memberlist[] = {
        {"family", T_INT, offsetof(PySocketSockObject, sock_family), READONLY, "the socket family"},
        {"type", T_INT, offsetof(PySocketSockObject, sock_type), READONLY, "the socket type"},
        {"proto", T_INT, offsetof(PySocketSockObject, sock_proto), READONLY, "the socket protocol"},
-       {"timeout", T_DOUBLE, offsetof(PySocketSockObject, sock_timeout), READONLY, "the socket timeout"},
        {0},
 };
 
+static PyGetSetDef sock_getsetlist[] = {
+    {"timeout", (getter)sock_gettimeout, NULL, PyDoc_STR("the socket timeout")},
+    {NULL} /* sentinel */
+};
+
 /* Deallocate a socket object in response to the last Py_DECREF().
    First close the file description. */
 
@@ -3905,7 +4193,7 @@ sock_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     new = type->tp_alloc(type, 0);
     if (new != NULL) {
         ((PySocketSockObject *)new)->sock_fd = -1;
-        ((PySocketSockObject *)new)->sock_timeout = -1.0;
+        ((PySocketSockObject *)new)->sock_timeout = _PyTime_FromSeconds(-1);
         ((PySocketSockObject *)new)->errorhandler = &set_error;
     }
     return new;
@@ -4088,7 +4376,7 @@ static PyTypeObject sock_type = {
     0,                                          /* tp_iternext */
     sock_methods,                               /* tp_methods */
     sock_memberlist,                            /* tp_members */
-    0,                                          /* tp_getset */
+    sock_getsetlist,                            /* tp_getset */
     0,                                          /* tp_base */
     0,                                          /* tp_dict */
     0,                                          /* tp_descr_get */
@@ -4227,7 +4515,7 @@ Return the IP address (a string of the form '255.255.255.255') for a host.");
 /* Convenience function common to gethostbyname_ex and gethostbyaddr */
 
 static PyObject *
-gethost_common(struct hostent *h, struct sockaddr *addr, int alen, int af)
+gethost_common(struct hostent *h, struct sockaddr *addr, size_t alen, int af)
 {
     char **pch;
     PyObject *rtn_tuple = (PyObject *)NULL;
@@ -4944,21 +5232,22 @@ Convert an IP address from 32-bit packed binary format to string format");
 static PyObject*
 socket_inet_ntoa(PyObject *self, PyObject *args)
 {
-    char *packed_str;
-    int addr_len;
+    Py_buffer packed_ip;
     struct in_addr packed_addr;
 
-    if (!PyArg_ParseTuple(args, "y#:inet_ntoa", &packed_str, &addr_len)) {
+    if (!PyArg_ParseTuple(args, "y*:inet_ntoa", &packed_ip)) {
         return NULL;
     }
 
-    if (addr_len != sizeof(packed_addr)) {
+    if (packed_ip.len != sizeof(packed_addr)) {
         PyErr_SetString(PyExc_OSError,
             "packed IP wrong length for inet_ntoa");
+        PyBuffer_Release(&packed_ip);
         return NULL;
     }
 
-    memcpy(&packed_addr, packed_str, addr_len);
+    memcpy(&packed_addr, packed_ip.buf, packed_ip.len);
+    PyBuffer_Release(&packed_ip);
 
     return PyUnicode_FromString(inet_ntoa(packed_addr));
 }
@@ -5069,8 +5358,7 @@ static PyObject *
 socket_inet_ntop(PyObject *self, PyObject *args)
 {
     int af;
-    char* packed;
-    int len;
+    Py_buffer packed_ip;
     const char* retval;
 #ifdef ENABLE_IPV6
     char ip[Py_MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) + 1];
@@ -5081,31 +5369,35 @@ socket_inet_ntop(PyObject *self, PyObject *args)
     /* Guarantee NUL-termination for PyUnicode_FromString() below */
     memset((void *) &ip[0], '\0', sizeof(ip));
 
-    if (!PyArg_ParseTuple(args, "iy#:inet_ntop", &af, &packed, &len)) {
+    if (!PyArg_ParseTuple(args, "iy*:inet_ntop", &af, &packed_ip)) {
         return NULL;
     }
 
     if (af == AF_INET) {
-        if (len != sizeof(struct in_addr)) {
+        if (packed_ip.len != sizeof(struct in_addr)) {
             PyErr_SetString(PyExc_ValueError,
                 "invalid length of packed IP address string");
+            PyBuffer_Release(&packed_ip);
             return NULL;
         }
 #ifdef ENABLE_IPV6
     } else if (af == AF_INET6) {
-        if (len != sizeof(struct in6_addr)) {
+        if (packed_ip.len != sizeof(struct in6_addr)) {
             PyErr_SetString(PyExc_ValueError,
                 "invalid length of packed IP address string");
+            PyBuffer_Release(&packed_ip);
             return NULL;
         }
 #endif
     } else {
         PyErr_Format(PyExc_ValueError,
             "unknown address family %d", af);
+        PyBuffer_Release(&packed_ip);
         return NULL;
     }
 
-    retval = inet_ntop(af, packed, ip, sizeof(ip));
+    retval = inet_ntop(af, packed_ip.buf, ip, sizeof(ip));
+    PyBuffer_Release(&packed_ip);
     if (!retval) {
         PyErr_SetFromErrno(PyExc_OSError);
         return NULL;
@@ -5124,8 +5416,7 @@ static PyObject *
 socket_inet_ntop(PyObject *self, PyObject *args)
 {
     int af;
-    char* packed;
-    int len;
+    Py_buffer packed_ip;
     struct sockaddr_in6 addr;
     DWORD addrlen, ret, retlen;
 #ifdef ENABLE_IPV6
@@ -5137,38 +5428,42 @@ socket_inet_ntop(PyObject *self, PyObject *args)
     /* Guarantee NUL-termination for PyUnicode_FromString() below */
     memset((void *) &ip[0], '\0', sizeof(ip));
 
-    if (!PyArg_ParseTuple(args, "iy#:inet_ntop", &af, &packed, &len)) {
+    if (!PyArg_ParseTuple(args, "iy*:inet_ntop", &af, &packed_ip)) {
         return NULL;
     }
 
     if (af == AF_INET) {
         struct sockaddr_in * addr4 = (struct sockaddr_in *)&addr;
 
-        if (len != sizeof(struct in_addr)) {
+        if (packed_ip.len != sizeof(struct in_addr)) {
             PyErr_SetString(PyExc_ValueError,
                 "invalid length of packed IP address string");
+            PyBuffer_Release(&packed_ip);
             return NULL;
         }
         memset(addr4, 0, sizeof(struct sockaddr_in));
         addr4->sin_family = AF_INET;
-        memcpy(&(addr4->sin_addr), packed, sizeof(addr4->sin_addr));
+        memcpy(&(addr4->sin_addr), packed_ip.buf, sizeof(addr4->sin_addr));
         addrlen = sizeof(struct sockaddr_in);
     } else if (af == AF_INET6) {
-        if (len != sizeof(struct in6_addr)) {
+        if (packed_ip.len != sizeof(struct in6_addr)) {
             PyErr_SetString(PyExc_ValueError,
                 "invalid length of packed IP address string");
+            PyBuffer_Release(&packed_ip);
             return NULL;
         }
 
         memset(&addr, 0, sizeof(addr));
         addr.sin6_family = AF_INET6;
-        memcpy(&(addr.sin6_addr), packed, sizeof(addr.sin6_addr));
+        memcpy(&(addr.sin6_addr), packed_ip.buf, sizeof(addr.sin6_addr));
         addrlen = sizeof(addr);
     } else {
         PyErr_Format(PyExc_ValueError,
             "unknown address family %d", af);
+        PyBuffer_Release(&packed_ip);
         return NULL;
     }
+    PyBuffer_Release(&packed_ip);
 
     retlen = sizeof(ip);
     ret = WSAAddressToStringA((struct sockaddr*)&addr, addrlen, NULL,
@@ -5405,12 +5700,14 @@ Get host and port for a sockaddr.");
 static PyObject *
 socket_getdefaulttimeout(PyObject *self)
 {
-    if (defaulttimeout < 0.0) {
+    if (defaulttimeout < 0) {
         Py_INCREF(Py_None);
         return Py_None;
     }
-    else
-        return PyFloat_FromDouble(defaulttimeout);
+    else {
+        double seconds = _PyTime_AsSecondsDouble(defaulttimeout);
+        return PyFloat_FromDouble(seconds);
+    }
 }
 
 PyDoc_STRVAR(getdefaulttimeout_doc,
@@ -5423,19 +5720,10 @@ When the socket module is first imported, the default is None.");
 static PyObject *
 socket_setdefaulttimeout(PyObject *self, PyObject *arg)
 {
-    double timeout;
+    _PyTime_t timeout;
 
-    if (arg == Py_None)
-        timeout = -1.0;
-    else {
-        timeout = PyFloat_AsDouble(arg);
-        if (timeout < 0.0) {
-            if (!PyErr_Occurred())
-                PyErr_SetString(PyExc_ValueError,
-                                "Timeout value out of range");
-            return NULL;
-        }
-    }
+    if (socket_parse_timeout(&timeout, arg) < 0)
+        return NULL;
 
     defaulttimeout = timeout;
 
@@ -5782,11 +6070,15 @@ PyInit__socket(void)
 
 #ifdef MS_WINDOWS
     if (support_wsa_no_inherit == -1) {
+#if defined(_MSC_VER) && _MSC_VER >= 1800
+        support_wsa_no_inherit = IsWindows7SP1OrGreater();
+#else
         DWORD version = GetVersion();
         DWORD major = (DWORD)LOBYTE(LOWORD(version));
         DWORD minor = (DWORD)HIBYTE(LOWORD(version));
         /* need Windows 7 SP1, 2008 R2 SP1 or later */
-        support_wsa_no_inherit = (major >= 6 && minor >= 1);
+        support_wsa_no_inherit = major > 6 || (major == 6 && minor >= 1);
+#endif
     }
 #endif
 
@@ -6185,6 +6477,9 @@ PyInit__socket(void)
 #ifdef  SO_PRIORITY
     PyModule_AddIntMacro(m, SO_PRIORITY);
 #endif
+#ifdef  SO_MARK
+    PyModule_AddIntMacro(m, SO_MARK);
+#endif
 
     /* Maximum number of connections for "listen" */
 #ifdef  SOMAXCONN
@@ -6322,6 +6617,9 @@ PyInit__socket(void)
     PyModule_AddIntMacro(m, CAN_RAW_LOOPBACK);
     PyModule_AddIntMacro(m, CAN_RAW_RECV_OWN_MSGS);
 #endif
+#ifdef HAVE_LINUX_CAN_RAW_FD_FRAMES
+    PyModule_AddIntMacro(m, CAN_RAW_FD_FRAMES);
+#endif
 #ifdef HAVE_LINUX_CAN_BCM_H
     PyModule_AddIntMacro(m, CAN_BCM);
     PyModule_AddIntConstant(m, "CAN_BCM_TX_SETUP", TX_SETUP);
diff --git a/Modules/socketmodule.h b/Modules/socketmodule.h
index b83f9af..3cce927 100644
--- a/Modules/socketmodule.h
+++ b/Modules/socketmodule.h
@@ -14,6 +14,13 @@
 
 #else /* MS_WINDOWS */
 # include <winsock2.h>
+/* Windows 'supports' CMSG_LEN, but does not follow the POSIX standard
+ * interface at all, so there is no point including the code that
+ * attempts to use it.
+ */
+# ifdef PySocket_BUILDING_SOCKET
+#  undef CMSG_LEN
+# endif
 # include <ws2tcpip.h>
 /* VC6 is shipped with old platform headers, and does not have MSTcpIP.h
  * Separate SDKs have all the functions we want, but older ones don't have
@@ -167,7 +174,7 @@ typedef struct {
     PyObject *(*errorhandler)(void); /* Error handler; checks
                                         errno, returns NULL and
                                         sets a Python exception */
-    double sock_timeout;                 /* Operation timeout in seconds;
+    _PyTime_t sock_timeout;     /* Operation timeout in seconds;
                                         0.0 means non-blocking */
 } PySocketSockObject;
 
diff --git a/Modules/spwdmodule.c b/Modules/spwdmodule.c
index 68ea1b5..49324d5 100644
--- a/Modules/spwdmodule.c
+++ b/Modules/spwdmodule.c
@@ -10,6 +10,12 @@
 #include <shadow.h>
 #endif
 
+#include "clinic/spwdmodule.c.h"
+
+/*[clinic input]
+module spwd
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=c0b841b90a6a07ce]*/
 
 PyDoc_STRVAR(spwd__doc__,
 "This module provides access to the Unix shadow password database.\n\
@@ -107,20 +113,25 @@ static PyObject *mkspent(struct spwd *p)
 
 #ifdef HAVE_GETSPNAM
 
-PyDoc_STRVAR(spwd_getspnam__doc__,
-"getspnam(name) -> (sp_namp, sp_pwdp, sp_lstchg, sp_min, sp_max,\n\
-                    sp_warn, sp_inact, sp_expire, sp_flag)\n\
-Return the shadow password database entry for the given user name.\n\
-See spwd.__doc__ for more on shadow password database entries.");
+/*[clinic input]
+spwd.getspnam
+
+    arg: unicode
+    /
+
+Return the shadow password database entry for the given user name.
+
+See `help(spwd)` for more on shadow password database entries.
+[clinic start generated code]*/
 
-static PyObject* spwd_getspnam(PyObject *self, PyObject *args)
+static PyObject *
+spwd_getspnam_impl(PyModuleDef *module, PyObject *arg)
+/*[clinic end generated code: output=9f6bbe51a4eb3b21 input=dd89429e6167a00f]*/
 {
     char *name;
     struct spwd *p;
-    PyObject *arg, *bytes, *retval = NULL;
+    PyObject *bytes, *retval = NULL;
 
-    if (!PyArg_ParseTuple(args, "U:getspnam", &arg))
-        return NULL;
     if ((bytes = PyUnicode_EncodeFSDefault(arg)) == NULL)
         return NULL;
     if (PyBytes_AsStringAndSize(bytes, &name, NULL) == -1)
@@ -139,14 +150,17 @@ out:
 
 #ifdef HAVE_GETSPENT
 
-PyDoc_STRVAR(spwd_getspall__doc__,
-"getspall() -> list_of_entries\n\
-Return a list of all available shadow password database entries, \
-in arbitrary order.\n\
-See spwd.__doc__ for more on shadow password database entries.");
+/*[clinic input]
+spwd.getspall
+
+Return a list of all available shadow password database entries, in arbitrary order.
+
+See `help(spwd)` for more on shadow password database entries.
+[clinic start generated code]*/
 
 static PyObject *
-spwd_getspall(PyObject *self, PyObject *args)
+spwd_getspall_impl(PyModuleDef *module)
+/*[clinic end generated code: output=b12d8ec7bdb29612 input=b2c84b7857d622bd]*/
 {
     PyObject *d;
     struct spwd *p;
@@ -171,10 +185,10 @@ spwd_getspall(PyObject *self, PyObject *args)
 
 static PyMethodDef spwd_methods[] = {
 #ifdef HAVE_GETSPNAM
-    {"getspnam",        spwd_getspnam, METH_VARARGS, spwd_getspnam__doc__},
+    SPWD_GETSPNAM_METHODDEF
 #endif
 #ifdef HAVE_GETSPENT
-    {"getspall",        spwd_getspall, METH_NOARGS, spwd_getspall__doc__},
+    SPWD_GETSPALL_METHODDEF
 #endif
     {NULL,              NULL}           /* sentinel */
 };
diff --git a/Modules/sre.h b/Modules/sre.h
index 42fe28d..b632165 100644
--- a/Modules/sre.h
+++ b/Modules/sre.h
@@ -18,8 +18,10 @@
 #define SRE_CODE Py_UCS4
 #if SIZEOF_SIZE_T > 4
 # define SRE_MAXREPEAT (~(SRE_CODE)0)
+# define SRE_MAXGROUPS ((~(SRE_CODE)0) / 2)
 #else
 # define SRE_MAXREPEAT ((SRE_CODE)PY_SSIZE_T_MAX)
+# define SRE_MAXGROUPS ((SRE_CODE)PY_SSIZE_T_MAX / SIZEOF_SIZE_T / 2)
 #endif
 
 typedef struct {
@@ -52,9 +54,6 @@ typedef struct {
 
 typedef unsigned int (*SRE_TOLOWER_HOOK)(unsigned int ch);
 
-/* FIXME: <fl> shouldn't be a constant, really... */
-#define SRE_MARK_SIZE 200
-
 typedef struct SRE_REPEAT_T {
     Py_ssize_t count;
     SRE_CODE* pattern; /* points to REPEAT operator arguments */
@@ -76,7 +75,7 @@ typedef struct {
     /* registers */
     Py_ssize_t lastindex;
     Py_ssize_t lastmark;
-    void* mark[SRE_MARK_SIZE];
+    void** mark;
     /* dynamically allocated stuff */
     char* data_stack;
     size_t data_stack_size;
@@ -85,7 +84,7 @@ typedef struct {
     /* current repeat context */
     SRE_REPEAT *repeat;
     /* hooks */
-    SRE_TOLOWER_HOOK lower;
+    SRE_TOLOWER_HOOK lower, upper;
 } SRE_STATE;
 
 typedef struct {
diff --git a/Modules/sre_constants.h b/Modules/sre_constants.h
index 5940d5a..6632442 100644
--- a/Modules/sre_constants.h
+++ b/Modules/sre_constants.h
@@ -11,7 +11,7 @@
  * See the _sre.c file for information on usage and redistribution.
  */
 
-#define SRE_MAGIC 20031017
+#define SRE_MAGIC 20140917
 #define SRE_OP_FAILURE 0
 #define SRE_OP_SUCCESS 1
 #define SRE_OP_ANY 2
@@ -44,6 +44,7 @@
 #define SRE_OP_REPEAT_ONE 29
 #define SRE_OP_SUBPATTERN 30
 #define SRE_OP_MIN_REPEAT_ONE 31
+#define SRE_OP_RANGE_IGNORE 32
 #define SRE_AT_BEGINNING 0
 #define SRE_AT_BEGINNING_LINE 1
 #define SRE_AT_BEGINNING_STRING 2
diff --git a/Modules/sre_lib.h b/Modules/sre_lib.h
index 5c6c5a5..463a908 100644
--- a/Modules/sre_lib.h
+++ b/Modules/sre_lib.h
@@ -101,7 +101,7 @@ SRE(at)(SRE_STATE* state, SRE_CHAR* ptr, SRE_CODE at)
 }
 
 LOCAL(int)
-SRE(charset)(SRE_CODE* set, SRE_CODE ch)
+SRE(charset)(SRE_STATE* state, SRE_CODE* set, SRE_CODE ch)
 {
     /* check if character is a member of the given set */
 
@@ -142,6 +142,20 @@ SRE(charset)(SRE_CODE* set, SRE_CODE ch)
             set += 2;
             break;
 
+        case SRE_OP_RANGE_IGNORE:
+            /* <RANGE_IGNORE> <lower> <upper> */
+        {
+            SRE_CODE uch;
+            /* ch is already lower cased */
+            if (set[0] <= ch && ch <= set[1])
+                return ok;
+            uch = state->upper(ch);
+            if (set[0] <= uch && uch <= set[1])
+                return ok;
+            set += 2;
+            break;
+        }
+
         case SRE_OP_NEGATE:
             ok = !ok;
             break;
@@ -193,7 +207,7 @@ SRE(count)(SRE_STATE* state, SRE_CODE* pattern, Py_ssize_t maxcount)
     case SRE_OP_IN:
         /* repeated set */
         TRACE(("|%p|%p|COUNT IN\n", pattern, ptr));
-        while (ptr < end && SRE(charset)(pattern + 2, *ptr))
+        while (ptr < end && SRE(charset)(state, pattern + 2, *ptr))
             ptr++;
         break;
 
@@ -628,7 +642,8 @@ entrance:
             /* match set member (or non_member) */
             /* <IN> <skip> <set> */
             TRACE(("|%p|%p|IN\n", ctx->pattern, ctx->ptr));
-            if (ctx->ptr >= end || !SRE(charset)(ctx->pattern + 1, *ctx->ptr))
+            if (ctx->ptr >= end ||
+                !SRE(charset)(state, ctx->pattern + 1, *ctx->ptr))
                 RETURN_FAILURE;
             ctx->pattern += ctx->pattern[0];
             ctx->ptr++;
@@ -657,7 +672,7 @@ entrance:
         case SRE_OP_IN_IGNORE:
             TRACE(("|%p|%p|IN_IGNORE\n", ctx->pattern, ctx->ptr));
             if (ctx->ptr >= end
-                || !SRE(charset)(ctx->pattern+1,
+                || !SRE(charset)(state, ctx->pattern+1,
                                  (SRE_CODE)state->lower(*ctx->ptr)))
                 RETURN_FAILURE;
             ctx->pattern += ctx->pattern[0];
@@ -688,7 +703,8 @@ entrance:
                     continue;
                 if (ctx->pattern[1] == SRE_OP_IN &&
                     (ctx->ptr >= end ||
-                     !SRE(charset)(ctx->pattern + 3, (SRE_CODE) *ctx->ptr)))
+                     !SRE(charset)(state, ctx->pattern + 3,
+                                   (SRE_CODE) *ctx->ptr)))
                     continue;
                 state->ptr = ctx->ptr;
                 DO_JUMP(JUMP_BRANCH, jump_branch, ctx->pattern+1);
@@ -1310,7 +1326,7 @@ SRE(search)(SRE_STATE* state, SRE_CODE* pattern)
         /* pattern starts with a character from a known set */
         end = (SRE_CHAR *)state->end;
         for (;;) {
-            while (ptr < end && !SRE(charset)(charset, *ptr))
+            while (ptr < end && !SRE(charset)(state, charset, *ptr))
                 ptr++;
             if (ptr >= end)
                 return 0;
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index d0917a4..5f6290d 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -27,28 +27,13 @@
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include "pythread.h"
-
-#if defined(__BORLANDC__)
-/* These overrides not needed for Win32 */
-#define timezone _timezone
-#define tzname _tzname
-#define daylight _daylight
-#endif /* __BORLANDC__ */
 #endif /* MS_WINDOWS */
 #endif /* !__WATCOMC__ || __QNX__ */
 
-#if defined(__APPLE__)
-#include <mach/mach_time.h>
-#endif
-
 /* Forward declarations */
-static int floatsleep(double);
+static int pysleep(_PyTime_t);
 static PyObject* floattime(_Py_clock_info_t *info);
 
-#ifdef MS_WINDOWS
-static OSVERSIONINFOEX winver;
-#endif
-
 static PyObject *
 time_time(PyObject *self, PyObject *unused)
 {
@@ -92,12 +77,12 @@ floatclock(_Py_clock_info_t *info)
 }
 #endif /* HAVE_CLOCK */
 
-#if defined(MS_WINDOWS) && !defined(__BORLANDC__)
+#ifdef MS_WINDOWS
 #define WIN32_PERF_COUNTER
 /* Win32 has better clock replacement; we have our own version, due to Mark
    Hammond and Tim Peters */
-static int
-win_perf_counter(_Py_clock_info_t *info, PyObject **result)
+static PyObject*
+win_perf_counter(_Py_clock_info_t *info)
 {
     static LONGLONG cpu_frequency = 0;
     static LONGLONG ctrStart;
@@ -109,10 +94,8 @@ win_perf_counter(_Py_clock_info_t *info, PyObject **result)
         QueryPerformanceCounter(&now);
         ctrStart = now.QuadPart;
         if (!QueryPerformanceFrequency(&freq) || freq.QuadPart == 0) {
-            /* Unlikely to happen - this works on all intel
-               machines at least!  Revert to clock() */
-            *result = NULL;
-            return -1;
+            PyErr_SetFromWindowsErr(0);
+            return NULL;
         }
         cpu_frequency = freq.QuadPart;
     }
@@ -124,10 +107,9 @@ win_perf_counter(_Py_clock_info_t *info, PyObject **result)
         info->monotonic = 1;
         info->adjustable = 0;
     }
-    *result = PyFloat_FromDouble(diff / (double)cpu_frequency);
-    return 0;
+    return PyFloat_FromDouble(diff / (double)cpu_frequency);
 }
-#endif
+#endif   /* MS_WINDOWS */
 
 #if defined(WIN32_PERF_COUNTER) || defined(HAVE_CLOCK)
 #define PYCLOCK
@@ -135,11 +117,10 @@ static PyObject*
 pyclock(_Py_clock_info_t *info)
 {
 #ifdef WIN32_PERF_COUNTER
-    PyObject *res;
-    if (win_perf_counter(info, &res) == 0)
-        return res;
-#endif
+    return win_perf_counter(info);
+#else
     return floatclock(info);
+#endif
 }
 
 static PyObject *
@@ -169,7 +150,7 @@ time_clock_gettime(PyObject *self, PyObject *args)
 
     ret = clock_gettime((clockid_t)clk_id, &tp);
     if (ret != 0) {
-        PyErr_SetFromErrno(PyExc_IOError);
+        PyErr_SetFromErrno(PyExc_OSError);
         return NULL;
     }
     return PyFloat_FromDouble(tp.tv_sec + tp.tv_nsec * 1e-9);
@@ -185,22 +166,22 @@ time_clock_settime(PyObject *self, PyObject *args)
 {
     int clk_id;
     PyObject *obj;
-    time_t tv_sec;
-    long tv_nsec;
+    _PyTime_t t;
     struct timespec tp;
     int ret;
 
     if (!PyArg_ParseTuple(args, "iO:clock_settime", &clk_id, &obj))
         return NULL;
 
-    if (_PyTime_ObjectToTimespec(obj, &tv_sec, &tv_nsec, _PyTime_ROUND_DOWN) == -1)
+    if (_PyTime_FromSecondsObject(&t, obj, _PyTime_ROUND_FLOOR) < 0)
+        return NULL;
+
+    if (_PyTime_AsTimespec(t, &tp) == -1)
         return NULL;
-    tp.tv_sec = tv_sec;
-    tp.tv_nsec = tv_nsec;
 
     ret = clock_settime((clockid_t)clk_id, &tp);
     if (ret != 0) {
-        PyErr_SetFromErrno(PyExc_IOError);
+        PyErr_SetFromErrno(PyExc_OSError);
         return NULL;
     }
     Py_RETURN_NONE;
@@ -223,7 +204,7 @@ time_clock_getres(PyObject *self, PyObject *args)
 
     ret = clock_getres((clockid_t)clk_id, &tp);
     if (ret != 0) {
-        PyErr_SetFromErrno(PyExc_IOError);
+        PyErr_SetFromErrno(PyExc_OSError);
         return NULL;
     }
 
@@ -237,17 +218,17 @@ Return the resolution (precision) of the specified clock clk_id.");
 #endif   /* HAVE_CLOCK_GETTIME */
 
 static PyObject *
-time_sleep(PyObject *self, PyObject *args)
+time_sleep(PyObject *self, PyObject *obj)
 {
-    double secs;
-    if (!PyArg_ParseTuple(args, "d:sleep", &secs))
+    _PyTime_t secs;
+    if (_PyTime_FromSecondsObject(&secs, obj, _PyTime_ROUND_CEILING))
         return NULL;
     if (secs < 0) {
         PyErr_SetString(PyExc_ValueError,
                         "sleep length must be non-negative");
         return NULL;
     }
-    if (floatsleep(secs) != 0)
+    if (pysleep(secs) != 0)
         return NULL;
     Py_INCREF(Py_None);
     return Py_None;
@@ -341,7 +322,7 @@ parse_time_t_args(PyObject *args, char *format, time_t *pwhen)
         whent = time(NULL);
     }
     else {
-        if (_PyTime_ObjectToTime_t(ot, &whent, _PyTime_ROUND_DOWN) == -1)
+        if (_PyTime_ObjectToTime_t(ot, &whent, _PyTime_ROUND_FLOOR) == -1)
             return 0;
     }
     *pwhen = whent;
@@ -903,122 +884,17 @@ the local timezone used by methods such as localtime, but this behaviour\n\
 should not be relied on.");
 #endif /* HAVE_WORKING_TZSET */
 
-#if defined(MS_WINDOWS) || defined(__APPLE__) \
-    || (defined(HAVE_CLOCK_GETTIME) \
-        && (defined(CLOCK_HIGHRES) || defined(CLOCK_MONOTONIC)))
-#define PYMONOTONIC
-#endif
-
-#ifdef PYMONOTONIC
-static PyObject*
+static PyObject *
 pymonotonic(_Py_clock_info_t *info)
 {
-#if defined(MS_WINDOWS)
-    static ULONGLONG (*GetTickCount64) (void) = NULL;
-    static ULONGLONG (CALLBACK *Py_GetTickCount64)(void);
-    static int has_getickcount64 = -1;
-    double result;
-
-    if (has_getickcount64 == -1) {
-        /* GetTickCount64() was added to Windows Vista */
-        if (winver.dwMajorVersion >= 6) {
-            HINSTANCE hKernel32;
-            hKernel32 = GetModuleHandleW(L"KERNEL32");
-            *(FARPROC*)&Py_GetTickCount64 = GetProcAddress(hKernel32,
-                                                           "GetTickCount64");
-            has_getickcount64 = (Py_GetTickCount64 != NULL);
-        }
-        else
-            has_getickcount64 = 0;
-    }
-
-    if (has_getickcount64) {
-        ULONGLONG ticks;
-        ticks = Py_GetTickCount64();
-        result = (double)ticks * 1e-3;
-    }
-    else {
-        static DWORD last_ticks = 0;
-        static DWORD n_overflow = 0;
-        DWORD ticks;
-
-        ticks = GetTickCount();
-        if (ticks < last_ticks)
-            n_overflow++;
-        last_ticks = ticks;
-
-        result = ldexp(n_overflow, 32);
-        result += ticks;
-        result *= 1e-3;
-    }
-
-    if (info) {
-        DWORD timeAdjustment, timeIncrement;
-        BOOL isTimeAdjustmentDisabled, ok;
-        if (has_getickcount64)
-            info->implementation = "GetTickCount64()";
-        else
-            info->implementation = "GetTickCount()";
-        info->monotonic = 1;
-        ok = GetSystemTimeAdjustment(&timeAdjustment, &timeIncrement,
-                                     &isTimeAdjustmentDisabled);
-        if (!ok) {
-            PyErr_SetFromWindowsErr(0);
-            return NULL;
-        }
-        info->resolution = timeIncrement * 1e-7;
-        info->adjustable = 0;
-    }
-    return PyFloat_FromDouble(result);
-
-#elif defined(__APPLE__)
-    static mach_timebase_info_data_t timebase;
-    uint64_t time;
-    double secs;
-
-    if (timebase.denom == 0) {
-        /* According to the Technical Q&A QA1398, mach_timebase_info() cannot
-           fail: https://developer.apple.com/library/mac/#qa/qa1398/ */
-        (void)mach_timebase_info(&timebase);
-    }
-
-    time = mach_absolute_time();
-    secs = (double)time * timebase.numer / timebase.denom * 1e-9;
-    if (info) {
-        info->implementation = "mach_absolute_time()";
-        info->resolution = (double)timebase.numer / timebase.denom * 1e-9;
-        info->monotonic = 1;
-        info->adjustable = 0;
-    }
-    return PyFloat_FromDouble(secs);
-
-#elif defined(HAVE_CLOCK_GETTIME) && (defined(CLOCK_HIGHRES) || defined(CLOCK_MONOTONIC))
-    struct timespec tp;
-#ifdef CLOCK_HIGHRES
-    const clockid_t clk_id = CLOCK_HIGHRES;
-    const char *function = "clock_gettime(CLOCK_HIGHRES)";
-#else
-    const clockid_t clk_id = CLOCK_MONOTONIC;
-    const char *function = "clock_gettime(CLOCK_MONOTONIC)";
-#endif
-
-    if (clock_gettime(clk_id, &tp) != 0) {
-        PyErr_SetFromErrno(PyExc_OSError);
+    _PyTime_t t;
+    double d;
+    if (_PyTime_GetMonotonicClockWithInfo(&t, info) < 0) {
+        assert(info != NULL);
         return NULL;
     }
-
-    if (info) {
-        struct timespec res;
-        info->monotonic = 1;
-        info->implementation = function;
-        info->adjustable = 0;
-        if (clock_getres(clk_id, &res) == 0)
-            info->resolution = res.tv_sec + res.tv_nsec * 1e-9;
-        else
-            info->resolution = 1e-9;
-    }
-    return PyFloat_FromDouble(tp.tv_sec + tp.tv_nsec * 1e-9);
-#endif
+    d = _PyTime_AsSecondsDouble(t);
+    return PyFloat_FromDouble(d);
 }
 
 static PyObject *
@@ -1031,40 +907,15 @@ PyDoc_STRVAR(monotonic_doc,
 "monotonic() -> float\n\
 \n\
 Monotonic clock, cannot go backward.");
-#endif   /* PYMONOTONIC */
 
 static PyObject*
 perf_counter(_Py_clock_info_t *info)
 {
-#if defined(WIN32_PERF_COUNTER) || defined(PYMONOTONIC)
-    PyObject *res;
-#endif
-#if defined(WIN32_PERF_COUNTER)
-    static int use_perf_counter = 1;
-#endif
-#ifdef PYMONOTONIC
-    static int use_monotonic = 1;
-#endif
-
 #ifdef WIN32_PERF_COUNTER
-    if (use_perf_counter) {
-        if (win_perf_counter(info, &res) == 0)
-            return res;
-        use_perf_counter = 0;
-    }
-#endif
-
-#ifdef PYMONOTONIC
-    if (use_monotonic) {
-        res = pymonotonic(info);
-        if (res != NULL)
-            return res;
-        use_monotonic = 0;
-        PyErr_Clear();
-    }
+    return win_perf_counter(info);
+#else
+    return pymonotonic(info);
 #endif
-
-    return floattime(info);
 }
 
 static PyObject *
@@ -1231,10 +1082,8 @@ time_get_clock_info(PyObject *self, PyObject *args)
     else if (strcmp(name, "clock") == 0)
         obj = pyclock(&info);
 #endif
-#ifdef PYMONOTONIC
     else if (strcmp(name, "monotonic") == 0)
         obj = pymonotonic(&info);
-#endif
     else if (strcmp(name, "perf_counter") == 0)
         obj = perf_counter(&info);
     else if (strcmp(name, "process_time") == 0)
@@ -1411,7 +1260,7 @@ static PyMethodDef time_methods[] = {
     {"clock_settime",   time_clock_settime, METH_VARARGS, clock_settime_doc},
     {"clock_getres",    time_clock_getres, METH_VARARGS, clock_getres_doc},
 #endif
-    {"sleep",           time_sleep, METH_VARARGS, sleep_doc},
+    {"sleep",           time_sleep, METH_O, sleep_doc},
     {"gmtime",          time_gmtime, METH_VARARGS, gmtime_doc},
     {"localtime",       time_localtime, METH_VARARGS, localtime_doc},
     {"asctime",         time_asctime, METH_VARARGS, asctime_doc},
@@ -1426,9 +1275,7 @@ static PyMethodDef time_methods[] = {
 #ifdef HAVE_WORKING_TZSET
     {"tzset",           time_tzset, METH_NOARGS, tzset_doc},
 #endif
-#ifdef PYMONOTONIC
     {"monotonic",       time_monotonic, METH_NOARGS, monotonic_doc},
-#endif
     {"process_time",    time_process_time, METH_NOARGS, process_time_doc},
     {"perf_counter",    time_perf_counter, METH_NOARGS, perf_counter_doc},
     {"get_clock_info",  time_get_clock_info, METH_VARARGS, get_clock_info_doc},
@@ -1510,15 +1357,6 @@ PyInit_time(void)
         if (PyStructSequence_InitType2(&StructTimeType,
                                        &struct_time_type_desc) < 0)
             return NULL;
-
-#ifdef MS_WINDOWS
-        winver.dwOSVersionInfoSize = sizeof(winver);
-        if (!GetVersionEx((OSVERSIONINFO*)&winver)) {
-            Py_DECREF(m);
-            PyErr_SetFromWindowsErr(0);
-            return NULL;
-        }
-#endif
     }
     Py_INCREF(&StructTimeType);
 #ifdef HAVE_STRUCT_TM_TM_ZONE
@@ -1534,109 +1372,93 @@ PyInit_time(void)
 static PyObject*
 floattime(_Py_clock_info_t *info)
 {
-    _PyTime_timeval t;
-#ifdef HAVE_CLOCK_GETTIME
-    struct timespec tp;
-    int ret;
-
-    /* _PyTime_gettimeofday() does not use clock_gettime()
-       because it would require to link Python to the rt (real-time)
-       library, at least on Linux */
-    ret = clock_gettime(CLOCK_REALTIME, &tp);
-    if (ret == 0) {
-        if (info) {
-            struct timespec res;
-            info->implementation = "clock_gettime(CLOCK_REALTIME)";
-            info->monotonic = 0;
-            info->adjustable = 1;
-            if (clock_getres(CLOCK_REALTIME, &res) == 0)
-                info->resolution = res.tv_sec + res.tv_nsec * 1e-9;
-            else
-                info->resolution = 1e-9;
-        }
-        return PyFloat_FromDouble(tp.tv_sec + tp.tv_nsec * 1e-9);
+    _PyTime_t t;
+    double d;
+    if (_PyTime_GetSystemClockWithInfo(&t, info) < 0) {
+        assert(info != NULL);
+        return NULL;
     }
-#endif
-    _PyTime_gettimeofday_info(&t, info);
-    return PyFloat_FromDouble((double)t.tv_sec + t.tv_usec * 1e-6);
+    d = _PyTime_AsSecondsDouble(t);
+    return PyFloat_FromDouble(d);
 }
 
 
-/* Implement floatsleep() for various platforms.
+/* Implement pysleep() for various platforms.
    When interrupted (or when another error occurs), return -1 and
    set an exception; else return 0. */
 
 static int
-floatsleep(double secs)
+pysleep(_PyTime_t secs)
 {
-/* XXX Should test for MS_WINDOWS first! */
-#if defined(HAVE_SELECT) && !defined(__EMX__)
-    struct timeval t;
-    double frac;
-    int err;
-
-    frac = fmod(secs, 1.0);
-    secs = floor(secs);
-    t.tv_sec = (long)secs;
-    t.tv_usec = (long)(frac*1000000.0);
-    Py_BEGIN_ALLOW_THREADS
-    err = select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &t);
-    Py_END_ALLOW_THREADS
-    if (err != 0) {
-#ifdef EINTR
-        if (errno == EINTR) {
-            if (PyErr_CheckSignals())
-                return -1;
-        }
-        else
+    _PyTime_t deadline, monotonic;
+#ifndef MS_WINDOWS
+    struct timeval timeout;
+    int err = 0;
+#else
+    _PyTime_t millisecs;
+    unsigned long ul_millis;
+    DWORD rc;
+    HANDLE hInterruptEvent;
 #endif
-        {
-            PyErr_SetFromErrno(PyExc_IOError);
+
+    deadline = _PyTime_GetMonotonicClock() + secs;
+
+    do {
+#ifndef MS_WINDOWS
+        if (_PyTime_AsTimeval(secs, &timeout, _PyTime_ROUND_CEILING) < 0)
             return -1;
-        }
-    }
-#elif defined(__WATCOMC__) && !defined(__QNX__)
-    /* XXX Can't interrupt this sleep */
-    Py_BEGIN_ALLOW_THREADS
-    delay((int)(secs * 1000 + 0.5));  /* delay() uses milliseconds */
-    Py_END_ALLOW_THREADS
-#elif defined(MS_WINDOWS)
-    {
-        double millisecs = secs * 1000.0;
-        unsigned long ul_millis;
 
+        Py_BEGIN_ALLOW_THREADS
+        err = select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout);
+        Py_END_ALLOW_THREADS
+
+        if (err == 0)
+            break;
+
+        if (errno != EINTR) {
+            PyErr_SetFromErrno(PyExc_OSError);
+            return -1;
+        }
+#else
+        millisecs = _PyTime_AsMilliseconds(secs, _PyTime_ROUND_CEILING);
         if (millisecs > (double)ULONG_MAX) {
             PyErr_SetString(PyExc_OverflowError,
                             "sleep length is too large");
             return -1;
         }
-        Py_BEGIN_ALLOW_THREADS
+
         /* Allow sleep(0) to maintain win32 semantics, and as decreed
          * by Guido, only the main thread can be interrupted.
          */
         ul_millis = (unsigned long)millisecs;
-        if (ul_millis == 0 || !_PyOS_IsMainThread())
+        if (ul_millis == 0 || !_PyOS_IsMainThread()) {
+            Py_BEGIN_ALLOW_THREADS
             Sleep(ul_millis);
-        else {
-            DWORD rc;
-            HANDLE hInterruptEvent = _PyOS_SigintEvent();
-            ResetEvent(hInterruptEvent);
-            rc = WaitForSingleObjectEx(hInterruptEvent, ul_millis, FALSE);
-            if (rc == WAIT_OBJECT_0) {
-                Py_BLOCK_THREADS
-                errno = EINTR;
-                PyErr_SetFromErrno(PyExc_IOError);
-                return -1;
-            }
+            Py_END_ALLOW_THREADS
+            break;
         }
+
+        hInterruptEvent = _PyOS_SigintEvent();
+        ResetEvent(hInterruptEvent);
+
+        Py_BEGIN_ALLOW_THREADS
+        rc = WaitForSingleObjectEx(hInterruptEvent, ul_millis, FALSE);
         Py_END_ALLOW_THREADS
-    }
-#else
-    /* XXX Can't interrupt this sleep */
-    Py_BEGIN_ALLOW_THREADS
-    sleep((int)secs);
-    Py_END_ALLOW_THREADS
+
+        if (rc != WAIT_OBJECT_0)
+            break;
 #endif
 
+        /* sleep was interrupted by SIGINT */
+        if (PyErr_CheckSignals())
+            return -1;
+
+        monotonic = _PyTime_GetMonotonicClock();
+        secs = deadline - monotonic;
+        if (secs < 0)
+            break;
+        /* retry with the recomputed delay */
+    } while (1);
+
     return 0;
 }
diff --git a/Modules/tkappinit.c b/Modules/tkappinit.c
index 2ed8594..7616d9d 100644
--- a/Modules/tkappinit.c
+++ b/Modules/tkappinit.c
@@ -26,9 +26,6 @@ static int tk_load_failed;
 int
 Tcl_AppInit(Tcl_Interp *interp)
 {
-#ifdef WITH_MOREBUTTONS
-    Tk_Window main_window;
-#endif
     const char *_tkinter_skip_tk_init;
 #ifdef TKINTER_PROTECT_LOADTK
     const char *_tkinter_tk_failed;
@@ -113,29 +110,13 @@ Tcl_AppInit(Tcl_Interp *interp)
         return TCL_ERROR;
     }
 
-#ifdef WITH_MOREBUTTONS
-    main_window = Tk_MainWindow(interp);
-#else
     Tk_MainWindow(interp);
-#endif
 
 #ifdef TK_AQUA
     TkMacOSXInitAppleEvents(interp);
     TkMacOSXInitMenus(interp);
 #endif
 
-#ifdef WITH_MOREBUTTONS
-    {
-        extern Tcl_CmdProc studButtonCmd;
-        extern Tcl_CmdProc triButtonCmd;
-
-        Tcl_CreateCommand(interp, "studbutton", studButtonCmd,
-                          (ClientData) main_window, NULL);
-        Tcl_CreateCommand(interp, "tributton", triButtonCmd,
-                          (ClientData) main_window, NULL);
-    }
-#endif
-
 #ifdef WITH_PIL /* 0.2b5 and later -- not yet released as of May 14 */
     {
         extern void TkImaging_Init(Tcl_Interp *);
diff --git a/Modules/tkinter.h b/Modules/tkinter.h
index 3c55676..cb5a806 100644
--- a/Modules/tkinter.h
+++ b/Modules/tkinter.h
@@ -16,14 +16,6 @@
                         (TK_RELEASE_LEVEL << 8) | \
                         (TK_RELEASE_SERIAL << 0))
 
-/* TK_VERSION_HEX packs fields in wrong order, not suitable for comparing of
- * non-final releases.  Left for backward compatibility.
- */
-#define TK_VERSION_HEX ((TK_MAJOR_VERSION << 24) | \
-                        (TK_MINOR_VERSION << 16) | \
-                        (TK_RELEASE_SERIAL << 8) | \
-                        (TK_RELEASE_LEVEL << 0))
-
 /* Protect Tk 8.4.13 and older from a deadlock that happens when trying
  * to load tk after a failed attempt. */
 #if TK_HEX_VERSION < 0x0804020e
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index 507cef3..47ada37 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -73,6 +73,8 @@ typedef struct previous_version {
     Py_UCS4 (*normalization)(Py_UCS4);
 } PreviousDBVersion;
 
+#include "clinic/unicodedata.c.h"
+
 #define get_old_record(self, v)    ((((PreviousDBVersion*)self)->getrecord)(v))
 
 static PyMemberDef DB_members[] = {
@@ -99,81 +101,31 @@ new_previous_version(const char*name, const change_record* (*getrecord)(Py_UCS4)
 }
 
 
-static Py_UCS4 getuchar(PyUnicodeObject *obj)
-{
-    if (PyUnicode_READY(obj))
-        return (Py_UCS4)-1;
-    if (PyUnicode_GET_LENGTH(obj) == 1) {
-        if (PyUnicode_READY(obj))
-            return (Py_UCS4)-1;
-        return PyUnicode_READ_CHAR(obj, 0);
-    }
-    PyErr_SetString(PyExc_TypeError,
-                    "need a single Unicode character as parameter");
-    return (Py_UCS4)-1;
-}
-
 /* --- Module API --------------------------------------------------------- */
 
 /*[clinic input]
-
 unicodedata.UCD.decimal
 
-    unichr: object(type='PyUnicodeObject *', subclass_of='&PyUnicode_Type')
+    self: self
+    chr: int(types={'str'})
     default: object=NULL
     /
 
 Converts a Unicode character into its equivalent decimal value.
 
-Returns the decimal value assigned to the Unicode character unichr
-as integer. If no such value is defined, default is returned, or, if
-not given, ValueError is raised.
+Returns the decimal value assigned to the character chr as integer.
+If no such value is defined, default is returned, or, if not given,
+ValueError is raised.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(unicodedata_UCD_decimal__doc__,
-"decimal($self, unichr, default=None, /)\n"
-"--\n"
-"\n"
-"Converts a Unicode character into its equivalent decimal value.\n"
-"\n"
-"Returns the decimal value assigned to the Unicode character unichr\n"
-"as integer. If no such value is defined, default is returned, or, if\n"
-"not given, ValueError is raised.");
-
-#define UNICODEDATA_UCD_DECIMAL_METHODDEF    \
-    {"decimal", (PyCFunction)unicodedata_UCD_decimal, METH_VARARGS, unicodedata_UCD_decimal__doc__},
-
-static PyObject *
-unicodedata_UCD_decimal_impl(PreviousDBVersion *self, PyUnicodeObject *unichr, PyObject *default_value);
-
-static PyObject *
-unicodedata_UCD_decimal(PreviousDBVersion *self, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    PyUnicodeObject *unichr;
-    PyObject *default_value = NULL;
-
-    if (!PyArg_ParseTuple(args,
-        "O!|O:decimal",
-        &PyUnicode_Type, &unichr, &default_value))
-        goto exit;
-    return_value = unicodedata_UCD_decimal_impl(self, unichr, default_value);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
-unicodedata_UCD_decimal_impl(PreviousDBVersion *self, PyUnicodeObject *unichr, PyObject *default_value)
-/*[clinic end generated code: output=8689669896d293df input=c25c9d2b4de076b1]*/
+unicodedata_UCD_decimal_impl(PyObject *self, int chr,
+                             PyObject *default_value)
+/*[clinic end generated code: output=be23376e1a185231 input=3acf7f2238874a49]*/
 {
     int have_old = 0;
     long rc;
-    Py_UCS4 c;
-
-    c = getuchar(unichr);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
 
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
@@ -204,61 +156,64 @@ unicodedata_UCD_decimal_impl(PreviousDBVersion *self, PyUnicodeObject *unichr, P
     return PyLong_FromLong(rc);
 }
 
-PyDoc_STRVAR(unicodedata_digit__doc__,
-"digit(unichr[, default])\n\
-\n\
-Returns the digit value assigned to the Unicode character unichr as\n\
-integer. If no such value is defined, default is returned, or, if\n\
-not given, ValueError is raised.");
+/*[clinic input]
+unicodedata.UCD.digit
+
+    self: self
+    chr: int(types={'str'})
+    default: object=NULL
+    /
+
+Converts a Unicode character into its equivalent digit value.
+
+Returns the digit value assigned to the character chr as integer.
+If no such value is defined, default is returned, or, if not given,
+ValueError is raised.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_digit(PyObject *self, PyObject *args)
+unicodedata_UCD_digit_impl(PyObject *self, int chr, PyObject *default_value)
+/*[clinic end generated code: output=96e18c950171fd2f input=733f093b399f5ab6]*/
 {
-    PyUnicodeObject *v;
-    PyObject *defobj = NULL;
     long rc;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!|O:digit", &PyUnicode_Type, &v, &defobj))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
     rc = Py_UNICODE_TODIGIT(c);
     if (rc < 0) {
-        if (defobj == NULL) {
+        if (default_value == NULL) {
             PyErr_SetString(PyExc_ValueError, "not a digit");
             return NULL;
         }
         else {
-            Py_INCREF(defobj);
-            return defobj;
+            Py_INCREF(default_value);
+            return default_value;
         }
     }
     return PyLong_FromLong(rc);
 }
 
-PyDoc_STRVAR(unicodedata_numeric__doc__,
-"numeric(unichr[, default])\n\
-\n\
-Returns the numeric value assigned to the Unicode character unichr\n\
-as float. If no such value is defined, default is returned, or, if\n\
-not given, ValueError is raised.");
+/*[clinic input]
+unicodedata.UCD.numeric
+
+    self: self
+    chr: int(types={'str'})
+    default: object=NULL
+    /
+
+Converts a Unicode character into its equivalent numeric value.
+
+Returns the numeric value assigned to the character chr as float.
+If no such value is defined, default is returned, or, if not given,
+ValueError is raised.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_numeric(PyObject *self, PyObject *args)
+unicodedata_UCD_numeric_impl(PyObject *self, int chr,
+                             PyObject *default_value)
+/*[clinic end generated code: output=53ce281fe85b10c4 input=c5875fa7cc768fb2]*/
 {
-    PyUnicodeObject *v;
-    PyObject *defobj = NULL;
     int have_old = 0;
     double rc;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!|O:numeric", &PyUnicode_Type, &v, &defobj))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
 
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
@@ -276,37 +231,34 @@ unicodedata_numeric(PyObject *self, PyObject *args)
     if (!have_old)
         rc = Py_UNICODE_TONUMERIC(c);
     if (rc == -1.0) {
-        if (defobj == NULL) {
+        if (default_value == NULL) {
             PyErr_SetString(PyExc_ValueError, "not a numeric character");
             return NULL;
         }
         else {
-            Py_INCREF(defobj);
-            return defobj;
+            Py_INCREF(default_value);
+            return default_value;
         }
     }
     return PyFloat_FromDouble(rc);
 }
 
-PyDoc_STRVAR(unicodedata_category__doc__,
-"category(unichr)\n\
-\n\
-Returns the general category assigned to the Unicode character\n\
-unichr as string.");
+/*[clinic input]
+unicodedata.UCD.category
+
+    self: self
+    chr: int(types={'str'})
+    /
+
+Returns the general category assigned to the character chr as string.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_category(PyObject *self, PyObject *args)
+unicodedata_UCD_category_impl(PyObject *self, int chr)
+/*[clinic end generated code: output=8571539ee2e6783a input=f5edd6fd04bd455d]*/
 {
-    PyUnicodeObject *v;
     int index;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!:category",
-                          &PyUnicode_Type, &v))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
     index = (int) _getrecord_ex(c)->category;
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
@@ -316,26 +268,24 @@ unicodedata_category(PyObject *self, PyObject *args)
     return PyUnicode_FromString(_PyUnicode_CategoryNames[index]);
 }
 
-PyDoc_STRVAR(unicodedata_bidirectional__doc__,
-"bidirectional(unichr)\n\
-\n\
-Returns the bidirectional class assigned to the Unicode character\n\
-unichr as string. If no such value is defined, an empty string is\n\
-returned.");
+/*[clinic input]
+unicodedata.UCD.bidirectional
+
+    self: self
+    chr: int(types={'str'})
+    /
+
+Returns the bidirectional class assigned to the character chr as string.
+
+If no such value is defined, an empty string is returned.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_bidirectional(PyObject *self, PyObject *args)
+unicodedata_UCD_bidirectional_impl(PyObject *self, int chr)
+/*[clinic end generated code: output=d36310ce2039bb92 input=5ce2f877b35305b5]*/
 {
-    PyUnicodeObject *v;
     int index;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!:bidirectional",
-                          &PyUnicode_Type, &v))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
     index = (int) _getrecord_ex(c)->bidirectional;
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
@@ -347,55 +297,52 @@ unicodedata_bidirectional(PyObject *self, PyObject *args)
     return PyUnicode_FromString(_PyUnicode_BidirectionalNames[index]);
 }
 
-PyDoc_STRVAR(unicodedata_combining__doc__,
-"combining(unichr)\n\
-\n\
-Returns the canonical combining class assigned to the Unicode\n\
-character unichr as integer. Returns 0 if no combining class is\n\
-defined.");
+/*[clinic input]
+unicodedata.UCD.combining -> int
 
-static PyObject *
-unicodedata_combining(PyObject *self, PyObject *args)
+    self: self
+    chr: int(types={'str'})
+    /
+
+Returns the canonical combining class assigned to the character chr as integer.
+
+Returns 0 if no combining class is defined.
+[clinic start generated code]*/
+
+static int
+unicodedata_UCD_combining_impl(PyObject *self, int chr)
+/*[clinic end generated code: output=cad056d0cb6a5920 input=9125ea7d50b319e7]*/
 {
-    PyUnicodeObject *v;
     int index;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!:combining",
-                          &PyUnicode_Type, &v))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
     index = (int) _getrecord_ex(c)->combining;
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
         if (old->category_changed == 0)
             index = 0; /* unassigned */
     }
-    return PyLong_FromLong(index);
+    return index;
 }
 
-PyDoc_STRVAR(unicodedata_mirrored__doc__,
-"mirrored(unichr)\n\
-\n\
-Returns the mirrored property assigned to the Unicode character\n\
-unichr as integer. Returns 1 if the character has been identified as\n\
-a \"mirrored\" character in bidirectional text, 0 otherwise.");
+/*[clinic input]
+unicodedata.UCD.mirrored -> int
 
-static PyObject *
-unicodedata_mirrored(PyObject *self, PyObject *args)
+    self: self
+    chr: int(types={'str'})
+    /
+
+Returns the mirrored property assigned to the character chr as integer.
+
+Returns 1 if the character has been identified as a "mirrored"
+character in bidirectional text, 0 otherwise.
+[clinic start generated code]*/
+
+static int
+unicodedata_UCD_mirrored_impl(PyObject *self, int chr)
+/*[clinic end generated code: output=2532dbf8121b50e6 input=4e51e8aaf8d7e23e]*/
 {
-    PyUnicodeObject *v;
     int index;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!:mirrored",
-                          &PyUnicode_Type, &v))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
     index = (int) _getrecord_ex(c)->mirrored;
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
@@ -404,28 +351,25 @@ unicodedata_mirrored(PyObject *self, PyObject *args)
         else if (old->mirrored_changed != 0xFF)
             index = old->mirrored_changed;
     }
-    return PyLong_FromLong(index);
+    return index;
 }
 
-PyDoc_STRVAR(unicodedata_east_asian_width__doc__,
-"east_asian_width(unichr)\n\
-\n\
-Returns the east asian width assigned to the Unicode character\n\
-unichr as string.");
+/*[clinic input]
+unicodedata.UCD.east_asian_width
+
+    self: self
+    chr: int(types={'str'})
+    /
+
+Returns the east asian width assigned to the character chr as string.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_east_asian_width(PyObject *self, PyObject *args)
+unicodedata_UCD_east_asian_width_impl(PyObject *self, int chr)
+/*[clinic end generated code: output=484e8537d9ee8197 input=f93c61f37276c8f0]*/
 {
-    PyUnicodeObject *v;
     int index;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!:east_asian_width",
-                          &PyUnicode_Type, &v))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
     index = (int) _getrecord_ex(c)->east_asian_width;
     if (self && UCD_Check(self)) {
         const change_record *old = get_old_record(self, c);
@@ -435,29 +379,27 @@ unicodedata_east_asian_width(PyObject *self, PyObject *args)
     return PyUnicode_FromString(_PyUnicode_EastAsianWidthNames[index]);
 }
 
-PyDoc_STRVAR(unicodedata_decomposition__doc__,
-"decomposition(unichr)\n\
-\n\
-Returns the character decomposition mapping assigned to the Unicode\n\
-character unichr as string. An empty string is returned in case no\n\
-such mapping is defined.");
+/*[clinic input]
+unicodedata.UCD.decomposition
+
+    self: self
+    chr: int(types={'str'})
+    /
+
+Returns the character decomposition mapping assigned to the character chr as string.
+
+An empty string is returned in case no such mapping is defined.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_decomposition(PyObject *self, PyObject *args)
+unicodedata_UCD_decomposition_impl(PyObject *self, int chr)
+/*[clinic end generated code: output=7d699f3ec7565d27 input=7f2c0ee66d75468f]*/
 {
-    PyUnicodeObject *v;
     char decomp[256];
     int code, index, count;
     size_t i;
     unsigned int prefix_index;
-    Py_UCS4 c;
-
-    if (!PyArg_ParseTuple(args, "O!:decomposition",
-                          &PyUnicode_Type, &v))
-        return NULL;
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
 
     code = (int)c;
 
@@ -858,22 +800,24 @@ is_normalized(PyObject *self, PyObject *input, int nfc, int k)
     return 1; /* certainly normalized */
 }
 
-PyDoc_STRVAR(unicodedata_normalize__doc__,
-"normalize(form, unistr)\n\
-\n\
-Return the normal form 'form' for the Unicode string unistr.  Valid\n\
-values for form are 'NFC', 'NFKC', 'NFD', and 'NFKD'.");
+/*[clinic input]
+unicodedata.UCD.normalize
 
-static PyObject*
-unicodedata_normalize(PyObject *self, PyObject *args)
-{
-    char *form;
-    PyObject *input;
+    self: self
+    form: str
+    unistr as input: object(subclass_of='&PyUnicode_Type')
+    /
 
-    if(!PyArg_ParseTuple(args, "sO!:normalize",
-                         &form, &PyUnicode_Type, &input))
-        return NULL;
+Return the normal form 'form' for the Unicode string unistr.
+
+Valid values for form are 'NFC', 'NFKC', 'NFD', and 'NFKD'.
+[clinic start generated code]*/
 
+static PyObject *
+unicodedata_UCD_normalize_impl(PyObject *self, const char *form,
+                               PyObject *input)
+/*[clinic end generated code: output=62d1f8870027efdc input=cd092e631cf11883]*/
+{
     if (PyUnicode_READY(input) == -1)
         return NULL;
 
@@ -1232,64 +1176,67 @@ static const _PyUnicode_Name_CAPI hashAPI =
 /* -------------------------------------------------------------------- */
 /* Python bindings */
 
-PyDoc_STRVAR(unicodedata_name__doc__,
-"name(unichr[, default])\n\
-Returns the name assigned to the Unicode character unichr as a\n\
-string. If no name is defined, default is returned, or, if not\n\
-given, ValueError is raised.");
+/*[clinic input]
+unicodedata.UCD.name
+
+    self: self
+    chr: int(types={'str'})
+    default: object=NULL
+    /
+
+Returns the name assigned to the character chr as a string.
+
+If no name is defined, default is returned, or, if not given,
+ValueError is raised.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_name(PyObject* self, PyObject* args)
+unicodedata_UCD_name_impl(PyObject *self, int chr, PyObject *default_value)
+/*[clinic end generated code: output=6bbb37a326407707 input=51ee2f971c918113]*/
 {
     char name[NAME_MAXLEN];
-    Py_UCS4 c;
-
-    PyUnicodeObject* v;
-    PyObject* defobj = NULL;
-    if (!PyArg_ParseTuple(args, "O!|O:name", &PyUnicode_Type, &v, &defobj))
-        return NULL;
-
-    c = getuchar(v);
-    if (c == (Py_UCS4)-1)
-        return NULL;
+    Py_UCS4 c = (Py_UCS4)chr;
 
     if (!_getucname(self, c, name, sizeof(name), 0)) {
-        if (defobj == NULL) {
+        if (default_value == NULL) {
             PyErr_SetString(PyExc_ValueError, "no such name");
             return NULL;
         }
         else {
-            Py_INCREF(defobj);
-            return defobj;
+            Py_INCREF(default_value);
+            return default_value;
         }
     }
 
     return PyUnicode_FromString(name);
 }
 
-PyDoc_STRVAR(unicodedata_lookup__doc__,
-"lookup(name)\n\
-\n\
-Look up character by name.  If a character with the\n\
-given name is found, return the corresponding Unicode\n\
-character.  If not found, KeyError is raised.");
+/*[clinic input]
+unicodedata.UCD.lookup
+
+    self: self
+    name: str(types={'str', 'robuffer'}, length=True)
+    /
+
+Look up character by name.
+
+If a character with the given name is found, return the
+corresponding character.  If not found, KeyError is raised.
+[clinic start generated code]*/
 
 static PyObject *
-unicodedata_lookup(PyObject* self, PyObject* args)
+unicodedata_UCD_lookup_impl(PyObject *self, const char *name,
+                            Py_ssize_clean_t name_length)
+/*[clinic end generated code: output=765cb8186788e6be input=f2bf29706135a590]*/
 {
     Py_UCS4 code;
-
-    char* name;
-    Py_ssize_t namelen;
     unsigned int index;
-    if (!PyArg_ParseTuple(args, "s#:lookup", &name, &namelen))
-        return NULL;
-    if (namelen > INT_MAX) {
+    if (name_length > INT_MAX) {
         PyErr_SetString(PyExc_KeyError, "name too long");
         return NULL;
     }
 
-    if (!_getcode(self, name, (int)namelen, &code, 1)) {
+    if (!_getcode(self, name, (int)name_length, &code, 1)) {
         PyErr_Format(PyExc_KeyError, "undefined character name '%s'", name);
         return NULL;
     }
@@ -1308,24 +1255,17 @@ unicodedata_lookup(PyObject* self, PyObject* args)
 
 static PyMethodDef unicodedata_functions[] = {
     UNICODEDATA_UCD_DECIMAL_METHODDEF
-    {"digit", unicodedata_digit, METH_VARARGS, unicodedata_digit__doc__},
-    {"numeric", unicodedata_numeric, METH_VARARGS, unicodedata_numeric__doc__},
-    {"category", unicodedata_category, METH_VARARGS,
-                 unicodedata_category__doc__},
-    {"bidirectional", unicodedata_bidirectional, METH_VARARGS,
-                      unicodedata_bidirectional__doc__},
-    {"combining", unicodedata_combining, METH_VARARGS,
-                  unicodedata_combining__doc__},
-    {"mirrored", unicodedata_mirrored, METH_VARARGS,
-                 unicodedata_mirrored__doc__},
-    {"east_asian_width", unicodedata_east_asian_width, METH_VARARGS,
-                         unicodedata_east_asian_width__doc__},
-    {"decomposition", unicodedata_decomposition, METH_VARARGS,
-                      unicodedata_decomposition__doc__},
-    {"name", unicodedata_name, METH_VARARGS, unicodedata_name__doc__},
-    {"lookup", unicodedata_lookup, METH_VARARGS, unicodedata_lookup__doc__},
-    {"normalize", unicodedata_normalize, METH_VARARGS,
-                  unicodedata_normalize__doc__},
+    UNICODEDATA_UCD_DIGIT_METHODDEF
+    UNICODEDATA_UCD_NUMERIC_METHODDEF
+    UNICODEDATA_UCD_CATEGORY_METHODDEF
+    UNICODEDATA_UCD_BIDIRECTIONAL_METHODDEF
+    UNICODEDATA_UCD_COMBINING_METHODDEF
+    UNICODEDATA_UCD_MIRRORED_METHODDEF
+    UNICODEDATA_UCD_EAST_ASIAN_WIDTH_METHODDEF
+    UNICODEDATA_UCD_DECOMPOSITION_METHODDEF
+    UNICODEDATA_UCD_NAME_METHODDEF
+    UNICODEDATA_UCD_LOOKUP_METHODDEF
+    UNICODEDATA_UCD_NORMALIZE_METHODDEF
     {NULL, NULL}                /* sentinel */
 };
 
diff --git a/Modules/unicodedata_db.h b/Modules/unicodedata_db.h
index ec11fa1..a79132f 100644
--- a/Modules/unicodedata_db.h
+++ b/Modules/unicodedata_db.h
@@ -1,6 +1,6 @@
 /* this file was generated by Tools/unicode/makeunicodedata.py 3.2 */
 
-#define UNIDATA_VERSION "6.3.0"
+#define UNIDATA_VERSION "7.0.0"
 /* a list of unique database records */
 const _PyUnicode_DatabaseRecord _PyUnicode_Database_Records[] = {
     {0, 0, 0, 0, 0, 0},
@@ -323,7 +323,9 @@ const _PyUnicode_DatabaseRecord _PyUnicode_Database_Records[] = {
     {27, 0, 19, 0, 1, 136},
     {14, 0, 19, 0, 5, 0},
     {8, 0, 19, 0, 5, 0},
+    {9, 0, 9, 0, 5, 0},
     {9, 0, 4, 0, 5, 0},
+    {30, 0, 4, 0, 5, 0},
     {9, 0, 12, 0, 5, 0},
     {30, 0, 1, 0, 5, 170},
     {5, 216, 1, 0, 5, 0},
@@ -335,8 +337,8 @@ const _PyUnicode_DatabaseRecord _PyUnicode_Database_Records[] = {
 };
 
 /* Reindexing of NFC first characters. */
-#define TOTAL_FIRST 372
-#define TOTAL_LAST 56
+#define TOTAL_FIRST 376
+#define TOTAL_LAST 62
 struct reindex{int start;short count,index;};
 static struct reindex nfc_first[] = {
   { 60, 2, 0},
@@ -546,6 +548,9 @@ static struct reindex nfc_first[] = {
   { 69787, 0, 368},
   { 69797, 0, 369},
   { 69937, 1, 370},
+  { 70471, 0, 372},
+  { 70841, 0, 373},
+  { 71096, 1, 374},
   {0,0,0}
 };
 
@@ -583,6 +588,12 @@ static struct reindex nfc_last[] = {
   { 12441, 1, 52},
   { 69818, 0, 54},
   { 69927, 0, 55},
+  { 70462, 0, 56},
+  { 70487, 0, 57},
+  { 70832, 0, 58},
+  { 70842, 0, 59},
+  { 70845, 0, 60},
+  { 71087, 0, 61},
   {0,0,0}
 };
 
@@ -714,36 +725,43 @@ static unsigned char index1[] = {
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 122, 122, 123, 124, 
-    125, 126, 127, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 84, 
-    138, 139, 140, 141, 142, 84, 84, 84, 84, 84, 84, 143, 84, 144, 145, 146, 
-    84, 147, 84, 148, 84, 84, 84, 149, 84, 84, 84, 150, 151, 152, 153, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 154, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 41, 41, 41, 41, 41, 41, 155, 84, 156, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 41, 41, 41, 41, 41, 41, 41, 41, 157, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 41, 41, 41, 41, 158, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 159, 160, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 161, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 78, 162, 163, 164, 165, 84, 166, 84, 167, 168, 169, 170, 171, 172, 
-    173, 174, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 175, 176, 84, 84, 177, 178, 179, 
-    180, 181, 84, 182, 183, 184, 185, 186, 187, 188, 189, 190, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 101, 101, 101, 
+    125, 126, 127, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 
+    138, 139, 140, 141, 142, 143, 144, 138, 41, 41, 145, 138, 146, 147, 148, 
+    149, 150, 151, 152, 153, 154, 138, 138, 138, 155, 138, 138, 138, 156, 
+    157, 158, 159, 160, 161, 162, 138, 138, 163, 138, 164, 165, 166, 138, 
+    138, 138, 167, 138, 138, 138, 168, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 41, 41, 41, 41, 41, 41, 41, 169, 170, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 41, 41, 41, 41, 41, 41, 41, 41, 171, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 41, 41, 41, 41, 172, 173, 174, 175, 138, 138, 138, 138, 
+    138, 138, 176, 177, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 178, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 179, 180, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 78, 
+    181, 182, 183, 184, 138, 185, 138, 186, 187, 188, 189, 190, 191, 192, 
+    193, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 194, 195, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 196, 197, 138, 138, 198, 199, 200, 201, 202, 138, 203, 
+    204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 101, 101, 101, 
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
@@ -767,359 +785,459 @@ static unsigned char index1[] = {
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
-    101, 101, 101, 101, 101, 101, 101, 101, 191, 101, 101, 101, 101, 101, 
+    101, 101, 101, 101, 101, 101, 101, 101, 215, 101, 101, 101, 101, 101, 
     101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 
-    101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 192, 
-    101, 193, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 122, 122, 122, 122, 194, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
-    84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 
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+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    138, 138, 138, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
@@ -1155,8 +1273,8 @@ static unsigned char index1[] = {
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
+    121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 222, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
-    198, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
@@ -1192,7 +1310,7 @@ static unsigned char index1[] = {
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
     121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 
-    121, 121, 121, 121, 121, 121, 121, 121, 198, 
+    121, 121, 121, 121, 222, 
 };
 
 static unsigned short index2[] = {
@@ -1244,7 +1362,7 @@ static unsigned short index2[] = {
     69, 59, 69, 69, 70, 60, 62, 62, 62, 60, 60, 60, 62, 62, 71, 60, 60, 60, 
     62, 62, 62, 62, 60, 61, 62, 62, 60, 72, 73, 73, 72, 73, 73, 72, 60, 60, 
     60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 44, 47, 44, 47, 74, 54, 44, 
-    47, 0, 0, 51, 47, 47, 47, 75, 0, 0, 0, 0, 0, 58, 76, 38, 75, 38, 38, 38, 
+    47, 0, 0, 51, 47, 47, 47, 75, 44, 0, 0, 0, 0, 58, 76, 38, 75, 38, 38, 38, 
     0, 38, 0, 38, 38, 43, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 
     39, 39, 39, 39, 0, 39, 39, 39, 39, 39, 39, 39, 38, 38, 43, 43, 43, 43, 
     43, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 
@@ -1267,153 +1385,154 @@ static unsigned short index2[] = {
     38, 43, 38, 43, 38, 43, 44, 47, 38, 43, 38, 43, 38, 43, 38, 43, 38, 43, 
     38, 43, 44, 47, 38, 43, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
     44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
+    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
+    44, 47, 44, 47, 44, 47, 0, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
     44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
-    44, 44, 44, 44, 44, 44, 0, 0, 53, 83, 83, 83, 83, 83, 83, 0, 47, 47, 47, 
+    44, 44, 44, 44, 44, 44, 44, 44, 44, 0, 0, 53, 83, 83, 83, 83, 83, 83, 0, 
     47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
-    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 35, 
-    0, 83, 84, 0, 0, 0, 0, 85, 0, 86, 81, 81, 81, 81, 86, 81, 81, 81, 87, 86, 
-    81, 81, 81, 81, 81, 81, 86, 86, 86, 86, 86, 86, 81, 81, 86, 81, 81, 87, 
-    88, 81, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 98, 99, 100, 101, 102, 
-    103, 104, 105, 106, 104, 81, 86, 104, 97, 0, 0, 0, 0, 0, 0, 0, 0, 107, 
-    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
-    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 0, 0, 0, 0, 
-    0, 107, 107, 107, 104, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 108, 108, 
-    108, 108, 108, 0, 78, 78, 109, 110, 110, 111, 112, 113, 26, 26, 81, 81, 
-    81, 81, 81, 81, 81, 81, 114, 115, 116, 113, 117, 0, 113, 113, 118, 118, 
-    119, 119, 119, 119, 119, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
-    118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
-    118, 118, 120, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 121, 
-    122, 123, 114, 115, 116, 124, 125, 126, 126, 127, 86, 81, 81, 81, 81, 81, 
-    86, 81, 81, 86, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 110, 
-    129, 129, 113, 118, 118, 130, 118, 118, 118, 118, 131, 131, 131, 131, 
+    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
+    47, 47, 35, 0, 83, 84, 0, 0, 26, 26, 85, 0, 86, 81, 81, 81, 81, 86, 81, 
+    81, 81, 87, 86, 81, 81, 81, 81, 81, 81, 86, 86, 86, 86, 86, 86, 81, 81, 
+    86, 81, 81, 87, 88, 81, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 98, 99, 
+    100, 101, 102, 103, 104, 105, 106, 104, 81, 86, 104, 97, 0, 0, 0, 0, 0, 
+    0, 0, 0, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 0, 
+    0, 0, 0, 0, 107, 107, 107, 104, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    108, 108, 108, 108, 108, 108, 78, 78, 109, 110, 110, 111, 112, 113, 26, 
+    26, 81, 81, 81, 81, 81, 81, 81, 81, 114, 115, 116, 113, 117, 0, 113, 113, 
+    118, 118, 119, 119, 119, 119, 119, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
+    118, 118, 118, 118, 120, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
+    118, 121, 122, 123, 114, 115, 116, 124, 125, 126, 126, 127, 86, 81, 81, 
+    81, 81, 81, 86, 81, 81, 86, 128, 128, 128, 128, 128, 128, 128, 128, 128, 
+    128, 110, 129, 129, 113, 118, 118, 130, 118, 118, 118, 118, 131, 131, 
+    131, 131, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
-    118, 119, 118, 119, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
-    118, 118, 118, 118, 118, 118, 119, 113, 118, 81, 81, 81, 81, 81, 81, 81, 
-    108, 26, 81, 81, 81, 81, 86, 81, 120, 120, 81, 81, 26, 86, 81, 81, 86, 
-    118, 118, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 118, 118, 
-    118, 133, 133, 118, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 
-    113, 113, 113, 113, 0, 117, 118, 134, 118, 118, 118, 118, 118, 118, 118, 
+    118, 118, 118, 119, 118, 119, 118, 118, 118, 118, 118, 118, 118, 118, 
+    118, 118, 118, 118, 118, 118, 118, 118, 119, 113, 118, 81, 81, 81, 81, 
+    81, 81, 81, 108, 26, 81, 81, 81, 81, 86, 81, 120, 120, 81, 81, 26, 86, 
+    81, 81, 86, 118, 118, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 
+    118, 118, 118, 133, 133, 118, 113, 113, 113, 113, 113, 113, 113, 113, 
+    113, 113, 113, 113, 113, 113, 0, 117, 118, 134, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
-    118, 118, 118, 118, 118, 118, 118, 118, 118, 81, 86, 81, 81, 86, 81, 81, 
-    86, 86, 86, 81, 86, 86, 81, 86, 81, 81, 81, 86, 81, 86, 81, 86, 81, 86, 
-    81, 81, 0, 0, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
+    118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 81, 86, 81, 81, 
+    86, 81, 81, 86, 86, 86, 81, 86, 86, 81, 86, 81, 81, 81, 86, 81, 86, 81, 
+    86, 81, 86, 81, 81, 0, 0, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
     118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
-    118, 118, 118, 118, 118, 118, 118, 135, 135, 135, 135, 135, 135, 135, 
-    135, 135, 135, 135, 118, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 136, 
-    136, 136, 136, 136, 136, 136, 136, 136, 136, 107, 107, 107, 107, 107, 
+    118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 135, 135, 135, 135, 
+    135, 135, 135, 135, 135, 135, 135, 118, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 107, 107, 107, 
     107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
-    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 81, 
-    81, 81, 81, 81, 81, 81, 86, 81, 137, 137, 26, 138, 138, 138, 137, 0, 0, 
-    0, 0, 0, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
-    107, 107, 107, 107, 107, 107, 107, 107, 107, 81, 81, 81, 81, 137, 81, 81, 
-    81, 81, 81, 81, 81, 81, 81, 137, 81, 81, 81, 137, 81, 81, 81, 81, 81, 0, 
-    0, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 
-    104, 0, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
-    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 86, 86, 86, 
-    0, 0, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 118, 0, 118, 
-    118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81, 
-    81, 86, 81, 81, 86, 81, 81, 81, 86, 86, 86, 121, 122, 123, 81, 81, 81, 
-    86, 81, 81, 86, 86, 81, 81, 81, 81, 0, 135, 135, 135, 139, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 140, 48, 
-    48, 48, 48, 48, 48, 48, 140, 48, 48, 140, 48, 48, 48, 48, 48, 135, 139, 
-    141, 48, 139, 139, 139, 135, 135, 135, 135, 135, 135, 135, 135, 139, 139, 
-    139, 139, 142, 139, 139, 48, 81, 86, 81, 81, 135, 135, 135, 143, 143, 
-    143, 143, 143, 143, 143, 143, 48, 48, 135, 135, 83, 83, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 144, 83, 53, 48, 48, 48, 48, 48, 48, 0, 48, 
-    48, 48, 48, 48, 48, 48, 0, 135, 139, 139, 0, 48, 48, 48, 48, 48, 48, 48, 
-    48, 0, 0, 48, 48, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 
-    48, 0, 0, 0, 48, 48, 48, 48, 0, 0, 145, 48, 146, 139, 139, 135, 135, 135, 
-    135, 0, 0, 139, 139, 0, 0, 147, 147, 142, 48, 0, 0, 0, 0, 0, 0, 0, 0, 
-    146, 0, 0, 0, 0, 143, 143, 0, 143, 48, 48, 135, 135, 0, 0, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 144, 48, 48, 85, 85, 148, 148, 148, 148, 
-    148, 148, 80, 85, 0, 0, 0, 0, 0, 135, 135, 139, 0, 48, 48, 48, 48, 48, 
-    48, 0, 0, 0, 0, 48, 48, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 
-    48, 0, 48, 143, 0, 48, 143, 0, 48, 48, 0, 0, 145, 0, 139, 139, 139, 135, 
-    135, 0, 0, 0, 0, 135, 135, 0, 0, 135, 135, 142, 0, 0, 0, 135, 0, 0, 0, 0, 
-    0, 0, 0, 143, 143, 143, 48, 0, 143, 0, 0, 0, 0, 0, 0, 0, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 144, 135, 135, 48, 48, 48, 135, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 135, 135, 139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 0, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
-    48, 0, 48, 48, 48, 48, 48, 0, 0, 145, 48, 139, 139, 139, 135, 135, 135, 
-    135, 135, 0, 135, 135, 139, 0, 139, 139, 142, 0, 0, 48, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 83, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 135, 139, 139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 
-    0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 0, 48, 48, 
-    48, 48, 48, 0, 0, 145, 48, 146, 135, 139, 135, 135, 135, 135, 0, 0, 139, 
-    147, 0, 0, 147, 147, 142, 0, 0, 0, 0, 0, 0, 0, 0, 149, 146, 0, 0, 0, 0, 
-    143, 143, 0, 48, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 
-    144, 144, 144, 144, 80, 48, 148, 148, 148, 148, 148, 148, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 135, 48, 0, 48, 48, 48, 48, 48, 48, 0, 0, 0, 48, 48, 48, 
-    0, 48, 48, 140, 48, 0, 0, 0, 48, 48, 0, 48, 0, 48, 48, 0, 0, 0, 48, 48, 
-    0, 0, 0, 48, 48, 48, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 0, 0, 0, 0, 146, 139, 135, 139, 139, 0, 0, 0, 139, 139, 139, 0, 147, 
-    147, 147, 142, 0, 0, 48, 0, 0, 0, 0, 0, 0, 146, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 148, 
-    148, 148, 26, 26, 26, 26, 26, 26, 85, 26, 0, 0, 0, 0, 0, 0, 139, 139, 
-    139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 0, 
-    0, 0, 48, 135, 135, 135, 139, 139, 139, 139, 0, 135, 135, 150, 0, 135, 
-    135, 135, 142, 0, 0, 0, 0, 0, 0, 0, 151, 152, 0, 48, 48, 0, 0, 0, 0, 0, 
-    0, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
-    144, 0, 0, 0, 0, 0, 0, 0, 0, 153, 153, 153, 153, 153, 153, 153, 80, 0, 0, 
-    139, 139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 
-    48, 0, 0, 145, 48, 139, 154, 147, 139, 146, 139, 139, 0, 154, 147, 147, 
-    0, 147, 147, 135, 142, 0, 0, 0, 0, 0, 0, 0, 146, 146, 0, 0, 0, 0, 0, 0, 
-    0, 48, 0, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 
-    144, 144, 0, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 139, 
-    139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 0, 0, 48, 146, 139, 139, 135, 135, 135, 135, 0, 139, 139, 139, 0, 
-    147, 147, 147, 142, 48, 0, 0, 0, 0, 0, 0, 0, 0, 146, 0, 0, 0, 0, 0, 0, 0, 
-    0, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
-    144, 148, 148, 148, 148, 148, 148, 0, 0, 0, 80, 48, 48, 48, 48, 48, 48, 
-    0, 0, 139, 139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 81, 81, 81, 81, 81, 81, 81, 86, 81, 137, 137, 26, 138, 138, 
+    138, 137, 0, 0, 0, 0, 0, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 81, 81, 
+    81, 81, 137, 81, 81, 81, 81, 81, 81, 81, 81, 81, 137, 81, 81, 81, 137, 
+    81, 81, 81, 81, 81, 0, 0, 104, 104, 104, 104, 104, 104, 104, 104, 104, 
+    104, 104, 104, 104, 104, 104, 0, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 86, 86, 86, 0, 0, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 
+    118, 118, 118, 118, 118, 118, 118, 118, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81, 81, 86, 81, 81, 86, 81, 81, 
+    81, 86, 86, 86, 121, 122, 123, 81, 81, 81, 86, 81, 81, 86, 86, 81, 81, 
+    81, 81, 81, 135, 135, 135, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 140, 48, 48, 48, 48, 48, 48, 48, 140, 
+    48, 48, 140, 48, 48, 48, 48, 48, 135, 139, 141, 48, 139, 139, 139, 135, 
+    135, 135, 135, 135, 135, 135, 135, 139, 139, 139, 139, 142, 139, 139, 48, 
+    81, 86, 81, 81, 135, 135, 135, 143, 143, 143, 143, 143, 143, 143, 143, 
+    48, 48, 135, 135, 83, 83, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 83, 53, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    135, 139, 139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 0, 0, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 0, 0, 0, 48, 48, 48, 
+    48, 0, 0, 145, 48, 146, 139, 139, 135, 135, 135, 135, 0, 0, 139, 139, 0, 
+    0, 147, 147, 142, 48, 0, 0, 0, 0, 0, 0, 0, 0, 146, 0, 0, 0, 0, 143, 143, 
+    0, 143, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 144, 48, 48, 85, 85, 148, 148, 148, 148, 148, 148, 80, 85, 0, 0, 0, 
+    0, 0, 135, 135, 139, 0, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 48, 48, 0, 0, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 143, 0, 48, 143, 0, 
+    48, 48, 0, 0, 145, 0, 139, 139, 139, 135, 135, 0, 0, 0, 0, 135, 135, 0, 
+    0, 135, 135, 142, 0, 0, 0, 135, 0, 0, 0, 0, 0, 0, 0, 143, 143, 143, 48, 
+    0, 143, 0, 0, 0, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 135, 135, 48, 48, 48, 135, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 
+    135, 139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 0, 48, 48, 48, 48, 
+    48, 0, 0, 145, 48, 139, 139, 139, 135, 135, 135, 135, 135, 0, 135, 135, 
+    139, 0, 139, 139, 142, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 144, 83, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 139, 
+    139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 0, 0, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 0, 48, 48, 48, 48, 48, 0, 
+    0, 145, 48, 146, 135, 139, 135, 135, 135, 135, 0, 0, 139, 147, 0, 0, 147, 
+    147, 142, 0, 0, 0, 0, 0, 0, 0, 0, 149, 146, 0, 0, 0, 0, 143, 143, 0, 48, 
+    48, 48, 135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
+    80, 48, 148, 148, 148, 148, 148, 148, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 
+    48, 0, 48, 48, 48, 48, 48, 48, 0, 0, 0, 48, 48, 48, 0, 48, 48, 140, 48, 
+    0, 0, 0, 48, 48, 0, 48, 0, 48, 48, 0, 0, 0, 48, 48, 0, 0, 0, 48, 48, 48, 
+    0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 146, 
+    139, 135, 139, 139, 0, 0, 0, 139, 139, 139, 0, 147, 147, 147, 142, 0, 0, 
+    48, 0, 0, 0, 0, 0, 0, 146, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 144, 
+    144, 144, 144, 144, 144, 144, 144, 144, 144, 148, 148, 148, 26, 26, 26, 
+    26, 26, 26, 85, 26, 0, 0, 0, 0, 0, 135, 139, 139, 139, 0, 48, 48, 48, 48, 
+    48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 0, 48, 0, 0, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 
-    155, 0, 0, 0, 0, 146, 139, 139, 135, 135, 135, 0, 135, 0, 139, 139, 147, 
-    139, 147, 147, 147, 146, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 139, 139, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 135, 48, 156, 135, 135, 135, 135, 157, 
-    157, 142, 0, 0, 0, 0, 85, 48, 48, 48, 48, 48, 48, 53, 135, 158, 158, 158, 
-    158, 135, 135, 135, 83, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
-    83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 0, 48, 0, 0, 48, 48, 
-    0, 48, 0, 0, 48, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 
-    48, 48, 0, 48, 48, 48, 0, 48, 0, 48, 0, 0, 48, 48, 0, 48, 48, 48, 48, 
-    135, 48, 156, 135, 135, 135, 135, 159, 159, 0, 135, 135, 48, 0, 0, 48, 
-    48, 48, 48, 48, 0, 53, 0, 160, 160, 160, 160, 135, 135, 0, 0, 144, 144, 
-    144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 156, 156, 48, 48, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 48, 80, 80, 80, 83, 83, 83, 83, 83, 83, 83, 83, 161, 83, 
-    83, 83, 83, 83, 83, 80, 83, 80, 80, 80, 86, 86, 80, 80, 80, 80, 80, 80, 
-    144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 148, 148, 148, 148, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 48, 135, 135, 
+    135, 139, 139, 139, 139, 0, 135, 135, 150, 0, 135, 135, 135, 142, 0, 0, 
+    0, 0, 0, 0, 0, 151, 152, 0, 48, 48, 0, 0, 0, 0, 0, 0, 48, 48, 135, 135, 
+    0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 0, 0, 0, 0, 
+    0, 0, 153, 153, 153, 153, 153, 153, 153, 80, 0, 135, 139, 139, 0, 48, 48, 
+    48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 0, 0, 145, 48, 
+    139, 154, 147, 139, 146, 139, 139, 0, 154, 147, 147, 0, 147, 147, 135, 
+    142, 0, 0, 0, 0, 0, 0, 0, 146, 146, 0, 0, 0, 0, 0, 0, 0, 48, 0, 48, 48, 
+    135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 48, 
+    48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 139, 139, 0, 48, 48, 
+    48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 48, 
+    146, 139, 139, 135, 135, 135, 135, 0, 139, 139, 139, 0, 147, 147, 147, 
+    142, 48, 0, 0, 0, 0, 0, 0, 0, 0, 146, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 
+    135, 135, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 148, 
+    148, 148, 148, 148, 148, 0, 0, 0, 80, 48, 48, 48, 48, 48, 48, 0, 0, 139, 
+    139, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 0, 48, 0, 0, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 155, 0, 0, 0, 
+    0, 146, 139, 139, 135, 135, 135, 0, 135, 0, 139, 139, 147, 139, 147, 147, 
+    147, 146, 0, 0, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 0, 0, 139, 139, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 48, 156, 135, 135, 135, 135, 
+    157, 157, 142, 0, 0, 0, 0, 85, 48, 48, 48, 48, 48, 48, 53, 135, 158, 158, 
+    158, 158, 135, 135, 135, 83, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 0, 48, 0, 0, 
+    48, 48, 0, 48, 0, 0, 48, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 0, 48, 48, 48, 
+    48, 48, 48, 48, 0, 48, 48, 48, 0, 48, 0, 48, 0, 0, 48, 48, 0, 48, 48, 48, 
+    48, 135, 48, 156, 135, 135, 135, 135, 159, 159, 0, 135, 135, 48, 0, 0, 
+    48, 48, 48, 48, 48, 0, 53, 0, 160, 160, 160, 160, 135, 135, 0, 0, 144, 
+    144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 156, 156, 48, 48, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 48, 80, 80, 80, 83, 83, 83, 83, 83, 83, 83, 83, 161, 
+    83, 83, 83, 83, 83, 83, 80, 83, 80, 80, 80, 86, 86, 80, 80, 80, 80, 80, 
+    80, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 148, 148, 148, 148, 
     148, 148, 148, 148, 148, 148, 80, 86, 80, 86, 80, 162, 163, 164, 163, 
     164, 139, 139, 48, 48, 48, 143, 48, 48, 48, 48, 0, 48, 48, 48, 48, 143, 
     48, 48, 48, 48, 143, 48, 48, 48, 48, 143, 48, 48, 48, 48, 143, 48, 48, 
@@ -1513,10 +1632,10 @@ static unsigned short index2[] = {
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 83, 83, 83, 173, 173, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
-    48, 48, 48, 135, 135, 142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 
+    48, 48, 48, 83, 83, 83, 173, 173, 173, 48, 48, 48, 48, 48, 48, 48, 48, 0, 
+    0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 
+    48, 48, 48, 48, 135, 135, 142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 
     142, 83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
@@ -1544,7 +1663,7 @@ static unsigned short index2[] = {
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 0, 0, 0, 135, 135, 135, 139, 139, 139, 139, 135, 135, 139, 139, 
+    48, 48, 48, 48, 0, 135, 135, 135, 139, 139, 139, 139, 135, 135, 139, 139, 
     139, 0, 0, 0, 0, 139, 139, 135, 139, 139, 139, 139, 139, 139, 87, 81, 86, 
     0, 0, 0, 0, 26, 0, 0, 0, 138, 138, 144, 144, 144, 144, 144, 144, 144, 
     144, 144, 144, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
@@ -1567,295 +1686,297 @@ static unsigned short index2[] = {
     81, 81, 81, 81, 81, 81, 0, 0, 86, 144, 144, 144, 144, 144, 144, 144, 144, 
     144, 144, 0, 0, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
     144, 0, 0, 0, 0, 0, 0, 83, 83, 83, 83, 83, 83, 83, 53, 83, 83, 83, 83, 
-    83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    83, 83, 0, 0, 81, 81, 81, 81, 81, 86, 86, 86, 86, 86, 86, 81, 81, 86, 82, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 135, 135, 135, 139, 48, 140, 48, 
-    140, 48, 140, 48, 140, 48, 140, 48, 48, 48, 140, 48, 48, 48, 48, 48, 48, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 135, 135, 135, 
+    139, 48, 140, 48, 140, 48, 140, 48, 140, 48, 140, 48, 48, 48, 140, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 145, 146, 135, 135, 135, 135, 135, 
-    147, 135, 147, 139, 139, 147, 147, 135, 147, 175, 48, 48, 48, 48, 48, 48, 
-    48, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 83, 83, 
-    83, 83, 83, 83, 83, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 81, 86, 81, 
-    81, 81, 81, 81, 81, 81, 80, 80, 80, 80, 80, 80, 80, 80, 80, 0, 0, 0, 135, 
-    135, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 139, 135, 135, 
-    135, 135, 139, 139, 135, 135, 175, 142, 139, 139, 48, 48, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 144, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 145, 146, 135, 
+    135, 135, 135, 135, 147, 135, 147, 139, 139, 147, 147, 135, 147, 175, 48, 
+    48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 
+    144, 144, 144, 83, 83, 83, 83, 83, 83, 83, 80, 80, 80, 80, 80, 80, 80, 
+    80, 80, 80, 81, 86, 81, 81, 81, 81, 81, 81, 81, 80, 80, 80, 80, 80, 80, 
+    80, 80, 80, 0, 0, 0, 135, 135, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 139, 135, 135, 135, 135, 139, 139, 135, 135, 175, 142, 135, 
+    135, 48, 48, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 145, 
-    139, 135, 135, 139, 139, 139, 135, 139, 135, 135, 135, 175, 175, 0, 0, 0, 
-    0, 0, 0, 0, 0, 83, 83, 83, 83, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 139, 139, 139, 139, 139, 139, 139, 139, 
-    135, 135, 135, 135, 135, 135, 135, 135, 139, 139, 135, 145, 0, 0, 0, 83, 
-    83, 83, 83, 83, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 
-    0, 48, 48, 48, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 48, 48, 
+    48, 48, 48, 48, 48, 48, 145, 139, 135, 135, 139, 139, 139, 135, 139, 135, 
+    135, 135, 175, 175, 0, 0, 0, 0, 0, 0, 0, 0, 83, 83, 83, 83, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 53, 53, 53, 53, 53, 53, 83, 83, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 139, 139, 
+    139, 139, 139, 139, 139, 139, 135, 135, 135, 135, 135, 135, 135, 135, 
+    139, 139, 135, 145, 0, 0, 0, 83, 83, 83, 83, 83, 144, 144, 144, 144, 144, 
+    144, 144, 144, 144, 144, 0, 0, 0, 48, 48, 48, 144, 144, 144, 144, 144, 
+    144, 144, 144, 144, 144, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    53, 53, 53, 53, 53, 53, 83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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     47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
-    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 0, 47, 0, 0, 0, 0, 0, 47, 0, 
-    0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 0, 47, 0, 0, 
+    0, 0, 0, 47, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 51, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 142, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 
-    48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 
-    48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
+    48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 51, 83, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 142, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
     48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 
-    48, 48, 48, 0, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 
+    48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 
+    0, 48, 48, 48, 48, 48, 48, 48, 0, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 
     81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 
-    138, 138, 28, 36, 28, 36, 138, 138, 138, 28, 36, 138, 28, 36, 138, 138, 
-    138, 138, 138, 138, 138, 138, 138, 84, 138, 138, 84, 138, 28, 36, 138, 
-    138, 28, 36, 163, 164, 163, 164, 163, 164, 163, 164, 138, 138, 138, 138, 
-    138, 52, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 84, 84, 0, 0, 
+    81, 81, 81, 81, 138, 138, 28, 36, 28, 36, 138, 138, 138, 28, 36, 138, 28, 
+    36, 138, 138, 138, 138, 138, 138, 138, 138, 138, 84, 138, 138, 84, 138, 
+    28, 36, 138, 138, 28, 36, 163, 164, 163, 164, 163, 164, 163, 164, 138, 
+    138, 138, 138, 138, 52, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 
+    84, 84, 138, 138, 138, 138, 84, 138, 195, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 244, 244, 244, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 0, 244, 244, 244, 244, 245, 244, 
+    0, 0, 0, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
+    244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 0, 244, 
+    244, 244, 244, 245, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 245, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
+    244, 244, 244, 245, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 245, 245, 245, 
     245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
     245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
     245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
@@ -1870,63 +1991,64 @@ static unsigned short index2[] = {
     245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
     245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
     245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
-    245, 245, 245, 245, 245, 245, 245, 245, 245, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 244, 244, 244, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 0, 0, 0, 0, 246, 247, 247, 247, 
-    244, 248, 170, 249, 250, 251, 250, 251, 250, 251, 250, 251, 250, 251, 
-    244, 244, 250, 251, 250, 251, 250, 251, 250, 251, 252, 253, 254, 254, 
-    244, 249, 249, 249, 249, 249, 249, 249, 249, 249, 255, 256, 257, 258, 
-    259, 259, 252, 248, 248, 248, 248, 248, 245, 244, 260, 260, 260, 248, 
-    170, 247, 244, 26, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 
-    170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 170, 261, 170, 
-    261, 170, 261, 170, 170, 170, 170, 170, 170, 261, 261, 170, 261, 261, 
-    170, 261, 261, 170, 261, 261, 170, 261, 261, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 261, 170, 170, 0, 0, 262, 262, 263, 263, 248, 264, 265, 
-    252, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 261, 170, 
+    245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 245, 
+    245, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 0, 
+    0, 0, 0, 246, 247, 247, 247, 244, 248, 170, 249, 250, 251, 250, 251, 250, 
+    251, 250, 251, 250, 251, 244, 244, 250, 251, 250, 251, 250, 251, 250, 
+    251, 252, 253, 254, 254, 244, 249, 249, 249, 249, 249, 249, 249, 249, 
+    249, 255, 256, 257, 258, 259, 259, 252, 248, 248, 248, 248, 248, 245, 
+    244, 260, 260, 260, 248, 170, 247, 244, 26, 0, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 261, 170, 261, 170, 261, 170, 261, 170, 
     261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 
-    261, 170, 261, 170, 261, 170, 261, 170, 170, 261, 170, 261, 170, 261, 
-    170, 170, 170, 170, 170, 170, 261, 261, 170, 261, 261, 170, 261, 261, 
-    170, 261, 261, 170, 261, 261, 170, 170, 170, 170, 170, 170, 170, 170, 
+    261, 170, 170, 261, 170, 261, 170, 261, 170, 170, 170, 170, 170, 170, 
+    261, 261, 170, 261, 261, 170, 261, 261, 170, 261, 261, 170, 261, 261, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    261, 170, 170, 261, 261, 261, 261, 247, 248, 248, 264, 265, 0, 0, 0, 0, 
-    0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 170, 170, 261, 170, 170, 0, 0, 262, 262, 
+    263, 263, 248, 264, 265, 252, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 
+    170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 261, 170, 170, 
+    261, 170, 261, 170, 261, 170, 170, 170, 170, 170, 170, 261, 261, 170, 
+    261, 261, 170, 261, 261, 170, 261, 261, 170, 261, 261, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 
+    170, 170, 170, 170, 170, 261, 170, 170, 261, 261, 261, 261, 247, 248, 
+    248, 264, 265, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 0, 0, 0, 265, 265, 265, 265, 265, 265, 265, 265, 
     265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 
     265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 
     265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 
     265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 
     265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 
     265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 
-    265, 265, 265, 265, 265, 265, 265, 265, 265, 265, 0, 266, 266, 267, 267, 
-    267, 267, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 170, 170, 
+    265, 265, 0, 266, 266, 267, 267, 267, 267, 268, 268, 268, 268, 268, 268, 
+    268, 268, 268, 268, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 0, 0, 
+    170, 170, 170, 0, 0, 0, 0, 0, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
-    244, 244, 244, 244, 244, 244, 244, 244, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 170, 170, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 245, 245, 0, 267, 267, 267, 267, 267, 267, 267, 267, 267, 
-    267, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    268, 268, 268, 268, 268, 268, 268, 268, 268, 245, 245, 0, 267, 267, 267, 
+    267, 267, 267, 267, 267, 267, 267, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 269, 269, 269, 269, 269, 269, 269, 269, 245, 270, 270, 
-    270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 268, 
+    268, 268, 268, 268, 268, 268, 268, 268, 268, 269, 269, 269, 269, 269, 
+    269, 269, 269, 245, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 
+    270, 270, 270, 270, 270, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 245, 
-    245, 245, 266, 267, 267, 267, 267, 267, 267, 267, 267, 267, 267, 268, 
+    268, 268, 268, 268, 268, 245, 245, 245, 266, 267, 267, 267, 267, 267, 
+    267, 267, 267, 267, 267, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 270, 270, 270, 270, 
-    270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 268, 268, 268, 
-    268, 268, 268, 268, 268, 268, 268, 268, 268, 245, 245, 245, 245, 268, 
+    268, 268, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 270, 
+    270, 270, 270, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    268, 245, 245, 245, 245, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 0, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 268, 0, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
@@ -1934,17 +2056,16 @@ static unsigned short index2[] = {
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 245, 245, 245, 
-    245, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    268, 268, 268, 245, 245, 245, 245, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 245, 245, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    268, 268, 268, 268, 268, 268, 268, 268, 245, 245, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 268, 268, 268, 268, 245, 170, 170, 170, 170, 170, 170, 
+    268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 245, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
@@ -1957,21 +2078,21 @@ static unsigned short index2[] = {
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 170, 170, 170, 170, 170, 170, 170, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 248, 170, 170, 170, 170, 170, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    248, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
@@ -1979,96 +2100,98 @@ static unsigned short index2[] = {
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 0, 0, 0, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
+    170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
     244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 
-    244, 244, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    244, 244, 244, 244, 244, 244, 244, 244, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 53, 53, 53, 53, 53, 
-    53, 83, 83, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 53, 138, 138, 
-    138, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 144, 
-    144, 144, 144, 144, 144, 144, 144, 144, 144, 48, 48, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 48, 81, 82, 82, 82, 138, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 
-    138, 52, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 0, 0, 0, 0, 0, 0, 0, 81, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 53, 53, 53, 53, 53, 53, 83, 83, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 53, 138, 138, 138, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 144, 144, 144, 144, 144, 144, 144, 144, 
+    144, 144, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 48, 81, 82, 82, 82, 138, 81, 
+    81, 81, 81, 81, 81, 81, 81, 81, 81, 138, 52, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 51, 51, 0, 81, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 173, 173, 173, 173, 173, 
-    173, 173, 173, 173, 173, 81, 81, 83, 83, 83, 83, 83, 83, 0, 0, 0, 0, 0, 
-    0, 0, 0, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 
-    54, 54, 54, 54, 54, 54, 54, 52, 52, 52, 52, 52, 52, 52, 52, 52, 54, 54, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 47, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 
-    44, 47, 44, 47, 44, 47, 51, 47, 47, 47, 47, 47, 47, 47, 47, 44, 47, 44, 
-    47, 44, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 52, 271, 271, 44, 47, 44, 
-    47, 0, 44, 47, 44, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 47, 44, 
-    47, 44, 47, 44, 47, 44, 47, 44, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 51, 47, 48, 48, 48, 48, 
-    48, 48, 48, 135, 48, 48, 48, 142, 48, 48, 48, 48, 135, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 139, 139, 135, 135, 139, 26, 26, 26, 26, 0, 0, 0, 0, 148, 148, 148, 
-    148, 148, 148, 80, 80, 85, 225, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 81, 
+    81, 83, 83, 83, 83, 83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 54, 54, 54, 54, 54, 
+    54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 
+    52, 52, 52, 52, 52, 52, 52, 52, 52, 54, 54, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 47, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 51, 
+    47, 47, 47, 47, 47, 47, 47, 47, 44, 47, 44, 47, 44, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 47, 52, 271, 271, 44, 47, 44, 47, 0, 44, 47, 44, 47, 47, 
+    47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 47, 44, 
+    47, 44, 47, 44, 44, 44, 44, 0, 0, 44, 44, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 51, 51, 47, 48, 48, 48, 48, 48, 48, 
+    48, 135, 48, 48, 48, 142, 48, 48, 48, 48, 135, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 139, 
+    139, 135, 135, 139, 26, 26, 26, 26, 0, 0, 0, 0, 148, 148, 148, 148, 148, 
+    148, 80, 80, 85, 225, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 138, 138, 138, 138, 0, 0, 0, 0, 
-    0, 0, 0, 0, 139, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 138, 138, 138, 138, 0, 0, 0, 0, 0, 0, 0, 
+    0, 139, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 139, 
+    139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 
+    139, 142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 83, 144, 144, 144, 144, 144, 
+    144, 144, 144, 144, 144, 0, 0, 0, 0, 0, 0, 81, 81, 81, 81, 81, 81, 81, 
+    81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 48, 48, 48, 48, 48, 48, 83, 
+    83, 83, 48, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 
-    139, 139, 142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 83, 144, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 0, 0, 0, 0, 0, 0, 81, 81, 81, 81, 81, 81, 
-    81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 48, 48, 48, 48, 48, 48, 
-    83, 83, 83, 48, 0, 0, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
-    144, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 135, 135, 135, 86, 
-    86, 86, 83, 83, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 135, 135, 135, 135, 135, 
-    135, 135, 135, 135, 139, 175, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 170, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 135, 135, 135, 86, 86, 
+    86, 83, 83, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 135, 135, 135, 135, 135, 135, 
+    135, 135, 135, 139, 175, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 
-    0, 0, 135, 135, 135, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 
+    135, 135, 135, 139, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 145, 
-    139, 139, 135, 135, 135, 135, 139, 139, 135, 139, 139, 139, 175, 83, 83, 
-    83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 0, 53, 144, 144, 144, 144, 
-    144, 144, 144, 144, 144, 144, 0, 0, 0, 0, 83, 83, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 145, 139, 
+    139, 135, 135, 135, 135, 139, 139, 135, 139, 139, 139, 175, 83, 83, 83, 
+    83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 0, 53, 144, 144, 144, 144, 144, 
+    144, 144, 144, 144, 144, 0, 0, 0, 0, 83, 83, 48, 48, 48, 48, 48, 135, 53, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 144, 144, 144, 144, 144, 144, 144, 
+    144, 144, 144, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 135, 135, 135, 
+    135, 135, 135, 139, 139, 135, 135, 139, 139, 135, 135, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 48, 48, 48, 135, 48, 48, 48, 48, 48, 48, 48, 48, 135, 139, 0, 0, 
+    144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 83, 83, 83, 83, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 53, 48, 
+    48, 48, 48, 48, 48, 80, 80, 80, 48, 139, 135, 139, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 135, 135, 135, 135, 135, 135, 139, 139, 135, 135, 
-    139, 139, 135, 135, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 135, 48, 48, 
-    48, 48, 48, 48, 48, 48, 135, 139, 0, 0, 144, 144, 144, 144, 144, 144, 
-    144, 144, 144, 144, 0, 0, 83, 83, 83, 83, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 53, 48, 48, 48, 48, 48, 48, 80, 80, 80, 
-    48, 139, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 81, 
-    48, 81, 81, 86, 48, 48, 81, 81, 48, 48, 48, 48, 48, 81, 81, 48, 81, 48, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    48, 48, 53, 83, 83, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 139, 135, 
-    135, 139, 139, 83, 83, 48, 53, 53, 139, 142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 
-    48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 0, 
-    48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 81, 48, 81, 81, 86, 48, 48, 81, 81, 
+    48, 48, 48, 48, 48, 81, 81, 48, 81, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 53, 83, 83, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 139, 135, 135, 139, 139, 83, 83, 48, 53, 
+    53, 139, 142, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 0, 0, 
+    48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 0, 
+    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
+    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
+    47, 47, 47, 47, 47, 47, 47, 271, 51, 51, 51, 51, 0, 0, 0, 0, 47, 47, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 139, 139, 135, 139, 139, 135, 139, 139, 83, 139, 
-    142, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 0, 0, 
-    0, 0, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 139, 139, 135, 139, 139, 
+    135, 139, 139, 83, 139, 142, 0, 0, 144, 144, 144, 144, 144, 144, 144, 
+    144, 144, 144, 0, 0, 0, 0, 0, 0, 261, 261, 261, 261, 261, 261, 261, 261, 
     261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
     261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
     261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
@@ -2079,12 +2202,13 @@ static unsigned short index2[] = {
     261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
     261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
     261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
-    261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 261, 
+    261, 261, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 
+    0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 272, 272, 272, 272, 272, 272, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 272, 
+    272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
     272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
     272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
     272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
@@ -2093,7 +2217,7 @@ static unsigned short index2[] = {
     272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
     272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
     272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 
-    272, 272, 272, 272, 272, 272, 272, 272, 272, 272, 273, 273, 273, 273, 
+    272, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
@@ -2102,7 +2226,7 @@ static unsigned short index2[] = {
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
-    273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 274, 274, 
+    273, 273, 273, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
@@ -2112,39 +2236,37 @@ static unsigned short index2[] = {
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
+    274, 274, 274, 274, 274, 170, 170, 274, 170, 274, 170, 170, 274, 274, 
+    274, 274, 274, 274, 274, 274, 274, 274, 170, 274, 170, 274, 170, 170, 
+    274, 274, 170, 170, 170, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    170, 170, 274, 170, 274, 170, 170, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 274, 170, 274, 170, 274, 170, 170, 274, 274, 170, 170, 170, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
+    274, 274, 274, 0, 0, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 0, 0, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 274, 274, 274, 274, 274, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 35, 35, 35, 35, 35, 35, 35, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 35, 
-    35, 35, 35, 35, 0, 0, 0, 0, 0, 275, 276, 275, 277, 277, 277, 277, 277, 
-    277, 277, 277, 277, 215, 275, 275, 275, 275, 275, 275, 275, 275, 275, 
-    275, 275, 275, 275, 0, 275, 275, 275, 275, 275, 0, 275, 0, 275, 275, 0, 
-    275, 275, 0, 275, 275, 275, 275, 275, 275, 275, 275, 275, 277, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 35, 35, 35, 35, 35, 35, 35, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 35, 35, 35, 35, 35, 0, 0, 0, 0, 0, 275, 276, 275, 
+    277, 277, 277, 277, 277, 277, 277, 277, 277, 215, 275, 275, 275, 275, 
+    275, 275, 275, 275, 275, 275, 275, 275, 275, 0, 275, 275, 275, 275, 275, 
+    0, 275, 0, 275, 275, 0, 275, 275, 0, 275, 275, 275, 275, 275, 275, 275, 
+    275, 275, 277, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 278, 278, 
-    278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    131, 131, 131, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 
+    278, 278, 278, 278, 278, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
@@ -2159,27 +2281,28 @@ static unsigned short index2[] = {
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 195, 279, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 279, 195, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 0, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    131, 0, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 280, 26, 0, 0, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
-    71, 71, 71, 71, 281, 281, 281, 281, 281, 281, 281, 282, 283, 281, 0, 0, 
-    0, 0, 0, 0, 81, 81, 81, 81, 81, 81, 81, 0, 0, 0, 0, 0, 0, 0, 0, 0, 281, 
-    284, 284, 285, 285, 282, 283, 282, 283, 282, 283, 282, 283, 282, 283, 
-    282, 283, 282, 283, 282, 283, 247, 247, 282, 283, 281, 281, 281, 281, 
-    285, 285, 285, 286, 281, 286, 0, 281, 286, 281, 281, 284, 287, 288, 287, 
-    288, 287, 288, 289, 281, 281, 290, 291, 292, 292, 293, 0, 281, 294, 289, 
-    281, 0, 0, 0, 0, 131, 131, 131, 118, 131, 0, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 131, 131, 131, 280, 26, 0, 0, 71, 71, 71, 71, 71, 71, 
+    71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 281, 281, 281, 281, 281, 281, 
+    281, 282, 283, 281, 0, 0, 0, 0, 0, 0, 81, 81, 81, 81, 81, 81, 81, 86, 86, 
+    86, 86, 86, 86, 86, 0, 0, 281, 284, 284, 285, 285, 282, 283, 282, 283, 
+    282, 283, 282, 283, 282, 283, 282, 283, 282, 283, 282, 283, 247, 247, 
+    282, 283, 281, 281, 281, 281, 285, 285, 285, 286, 281, 286, 0, 281, 286, 
+    281, 281, 284, 287, 288, 287, 288, 287, 288, 289, 281, 281, 290, 291, 
+    292, 292, 293, 0, 281, 294, 289, 281, 0, 0, 0, 0, 131, 131, 131, 118, 
+    131, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
@@ -2188,377 +2311,517 @@ static unsigned short index2[] = {
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 0, 0, 174, 0, 295, 295, 296, 297, 296, 295, 295, 298, 
-    299, 295, 300, 301, 302, 301, 301, 303, 303, 303, 303, 303, 303, 303, 
-    303, 303, 303, 301, 295, 304, 305, 304, 295, 295, 306, 306, 306, 306, 
+    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 0, 174, 0, 295, 295, 
+    296, 297, 296, 295, 295, 298, 299, 295, 300, 301, 302, 301, 301, 303, 
+    303, 303, 303, 303, 303, 303, 303, 303, 303, 301, 295, 304, 305, 304, 
+    295, 295, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 
     306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 306, 
-    306, 306, 306, 306, 306, 306, 306, 306, 298, 295, 299, 307, 308, 307, 
+    298, 295, 299, 307, 308, 307, 309, 309, 309, 309, 309, 309, 309, 309, 
     309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 
-    309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 309, 298, 305, 
-    299, 305, 298, 299, 310, 311, 312, 310, 310, 313, 313, 313, 313, 313, 
-    313, 313, 313, 313, 313, 314, 313, 313, 313, 313, 313, 313, 313, 313, 
+    309, 309, 309, 309, 298, 305, 299, 305, 298, 299, 310, 311, 312, 310, 
+    310, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 314, 313, 313, 
     313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 
     313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 
-    313, 313, 313, 313, 313, 313, 313, 313, 313, 314, 314, 313, 313, 313, 
     313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 
-    313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 0, 
-    0, 0, 313, 313, 313, 313, 313, 313, 0, 0, 313, 313, 313, 313, 313, 313, 
-    0, 0, 313, 313, 313, 313, 313, 313, 0, 0, 313, 313, 313, 0, 0, 0, 297, 
-    297, 305, 307, 315, 297, 297, 0, 316, 317, 317, 317, 317, 316, 316, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 318, 318, 318, 26, 30, 0, 0, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
+    313, 314, 314, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 
+    313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 313, 
+    313, 313, 313, 313, 313, 313, 0, 0, 0, 313, 313, 313, 313, 313, 313, 0, 
+    0, 313, 313, 313, 313, 313, 313, 0, 0, 313, 313, 313, 313, 313, 313, 0, 
+    0, 313, 313, 313, 0, 0, 0, 297, 297, 305, 307, 315, 297, 297, 0, 316, 
+    317, 317, 317, 317, 316, 316, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 318, 318, 
+    318, 26, 30, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    0, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 48, 48, 0, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 0, 0, 0, 0, 0, 83, 138, 83, 0, 0, 0, 0, 148, 148, 148, 148, 148, 148, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 83, 138, 83, 0, 0, 
+    0, 0, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 
     148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 
     148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 
-    148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 0, 0, 0, 80, 80, 
-    80, 80, 80, 80, 80, 80, 80, 319, 319, 319, 319, 319, 319, 319, 319, 319, 
+    148, 148, 148, 148, 0, 0, 0, 80, 80, 80, 80, 80, 80, 80, 80, 80, 319, 
     319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 
     319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 
     319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 
-    319, 319, 153, 153, 153, 153, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 153, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    319, 319, 319, 319, 319, 319, 319, 319, 319, 319, 153, 153, 153, 153, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 153, 153, 
+    26, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 
+    26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 
     80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 
-    80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 86, 0, 0, 
+    80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 
+    80, 80, 80, 80, 80, 80, 80, 80, 80, 86, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    86, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 
+    320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 320, 0, 0, 0, 
+    0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 148, 148, 
+    148, 148, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 173, 48, 48, 48, 48, 48, 48, 48, 
+    48, 173, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 0, 148, 148, 148, 148, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 173, 48, 
-    48, 48, 48, 48, 48, 48, 48, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 81, 81, 81, 81, 81, 0, 0, 0, 0, 0, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 0, 83, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 83, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 
-    48, 83, 173, 173, 173, 173, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 48, 48, 
+    48, 48, 48, 48, 48, 48, 83, 173, 173, 173, 173, 173, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
     44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 
-    44, 44, 44, 44, 44, 44, 44, 44, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
+    44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 47, 47, 47, 47, 47, 47, 
     47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
-    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 48, 48, 48, 48, 48, 48, 
+    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
     48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
-    0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 0, 0, 0, 0, 0, 0, 
+    48, 48, 48, 48, 0, 0, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 107, 107, 107, 107, 107, 107, 0, 0, 107, 0, 107, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 
+    0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 48, 
+    48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 107, 107, 107, 107, 107, 107, 0, 
+    0, 107, 0, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
     107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 0, 107, 107, 0, 0, 0, 107, 0, 0, 107, 107, 107, 107, 
     107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
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+    49, 49, 0, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
     35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 
     49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
     49, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
     35, 35, 35, 35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
     49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 35, 
     35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
-    35, 35, 35, 35, 35, 35, 35, 35, 35, 0, 0, 49, 49, 49, 49, 49, 49, 49, 49, 
-    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 325, 
+    35, 35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 35, 35, 35, 
+    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 35, 35, 35, 35, 35, 
+    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 35, 35, 35, 35, 35, 35, 35, 
+    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 0, 0, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 327, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 226, 
+    35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 327, 35, 35, 35, 35, 
+    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    35, 35, 35, 226, 35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 
+    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 327, 
     35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
     35, 35, 35, 35, 35, 35, 35, 226, 35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 
     49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
-    49, 49, 49, 325, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    49, 49, 49, 327, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
     35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 226, 35, 35, 35, 35, 35, 35, 
     49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
-    49, 49, 49, 49, 49, 49, 49, 325, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
+    49, 49, 49, 49, 49, 49, 49, 327, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
     35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 226, 35, 35, 
-    35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
-    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 325, 35, 35, 35, 35, 35, 35, 
-    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
-    35, 226, 35, 35, 35, 35, 35, 35, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
-    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 325, 35, 35, 
-    35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
-    35, 35, 35, 35, 35, 226, 35, 35, 35, 35, 35, 35, 49, 35, 0, 0, 326, 326, 
-    326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 
-    326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 
-    326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, 
-    326, 326, 326, 326, 326, 326, 131, 131, 131, 131, 0, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 131, 131, 0, 131, 0, 0, 
-    131, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 131, 131, 
-    131, 131, 0, 131, 0, 131, 0, 0, 0, 0, 0, 0, 131, 0, 0, 0, 0, 131, 0, 131, 
-    0, 131, 0, 131, 131, 131, 0, 131, 131, 0, 131, 0, 0, 131, 0, 131, 0, 131, 
-    0, 131, 0, 131, 0, 131, 131, 0, 131, 0, 0, 131, 131, 131, 131, 0, 131, 
-    131, 131, 131, 131, 131, 131, 0, 131, 131, 131, 131, 0, 131, 131, 131, 
-    131, 0, 131, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 0, 131, 
-    131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 0, 0, 0, 0, 0, 131, 131, 131, 0, 131, 131, 131, 131, 131, 0, 
+    35, 35, 35, 35, 49, 35, 0, 0, 328, 328, 328, 328, 328, 328, 328, 328, 
+    328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 
+    328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 
+    328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 
+    107, 0, 0, 321, 321, 321, 321, 321, 321, 321, 321, 321, 86, 86, 86, 86, 
+    86, 86, 86, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 131, 131, 
+    131, 131, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
     131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
-    131, 131, 131, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 78, 78, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    131, 0, 131, 131, 0, 131, 0, 0, 131, 0, 131, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 0, 131, 131, 131, 131, 0, 131, 0, 131, 0, 0, 0, 0, 0, 
+    0, 131, 0, 0, 0, 0, 131, 0, 131, 0, 131, 0, 131, 131, 131, 0, 131, 131, 
+    0, 131, 0, 0, 131, 0, 131, 0, 131, 0, 131, 0, 131, 0, 131, 131, 0, 131, 
+    0, 0, 131, 131, 131, 131, 0, 131, 131, 131, 131, 131, 131, 131, 0, 131, 
+    131, 131, 131, 0, 131, 131, 131, 131, 0, 131, 0, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 131, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 131, 131, 131, 131, 0, 0, 0, 0, 0, 131, 131, 131, 0, 
+    131, 131, 131, 131, 131, 0, 131, 131, 131, 131, 131, 131, 131, 131, 131, 
+    131, 131, 131, 131, 131, 131, 131, 131, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 78, 78, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
-    34, 34, 0, 0, 0, 0, 0, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 153, 153, 0, 0, 
+    0, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 
     241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 
-    241, 241, 241, 241, 241, 241, 327, 0, 241, 241, 241, 241, 241, 241, 241, 
+    241, 241, 329, 0, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 
     241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 
-    241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 328, 328, 328, 
-    328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 
-    328, 328, 328, 328, 328, 328, 328, 328, 328, 222, 222, 0, 0, 0, 0, 328, 
-    328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 
-    328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 
-    328, 328, 328, 241, 328, 328, 328, 328, 328, 328, 328, 328, 328, 328, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    241, 241, 241, 241, 241, 241, 241, 330, 330, 330, 330, 330, 330, 330, 
+    330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 
+    330, 330, 330, 330, 330, 222, 222, 0, 0, 0, 0, 330, 330, 330, 330, 330, 
+    330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 
+    330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 241, 
+    330, 330, 330, 330, 330, 330, 330, 330, 330, 330, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 
-    80, 80, 80, 80, 80, 80, 80, 80, 80, 268, 268, 268, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 80, 80, 80, 80, 
+    80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 
+    80, 80, 80, 80, 268, 268, 268, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
     268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 268, 268, 0, 0, 0, 0, 0, 268, 268, 268, 268, 268, 268, 268, 
-    268, 268, 0, 0, 0, 0, 0, 0, 0, 268, 268, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    268, 0, 0, 0, 0, 0, 268, 268, 268, 268, 268, 268, 268, 268, 268, 0, 0, 0, 
+    0, 0, 0, 0, 268, 268, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 
-    26, 26, 26, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 
-    26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 0, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 
+    0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
@@ -2567,76 +2830,103 @@ static unsigned short index2[] = {
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 0, 26, 26, 26, 26, 0, 0, 0, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 0, 0, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 26, 26, 26, 26, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 0, 0, 
+    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
+    0, 0, 0, 0, 0, 0, 0, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
     26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
     170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
-    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 
+    170, 170, 170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
+    0, 0, 0, 0, 0, 0, 0, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
     274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 274, 
-    274, 274, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    274, 274, 274, 274, 274, 274, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 174, 174, 174, 174, 174, 174, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 174, 
     174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 
     174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 
     174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 
     174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 
     174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 
     174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 
-    174, 174, 174, 174, 174, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
+    174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 71, 71, 71, 71, 71, 71, 
     71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
     71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
     71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
@@ -2649,8 +2939,8 @@ static unsigned short index2[] = {
     71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
     71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
     71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
-    71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
+    71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
@@ -2659,7 +2949,7 @@ static unsigned short index2[] = {
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
     273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 273, 
-    273, 273, 273, 273, 0, 0, 
+    273, 273, 273, 273, 273, 273, 273, 273, 273, 0, 0, 
 };
 
 /* decomposition data */
@@ -3146,359 +3436,355 @@ static unsigned int decomp_data[] = {
     50, 49, 26085, 770, 50, 50, 26085, 770, 50, 51, 26085, 770, 50, 52, 
     26085, 770, 50, 53, 26085, 770, 50, 54, 26085, 770, 50, 55, 26085, 770, 
     50, 56, 26085, 770, 50, 57, 26085, 770, 51, 48, 26085, 770, 51, 49, 
-    26085, 778, 103, 97, 108, 259, 42863, 259, 294, 259, 339, 256, 35912, 
-    256, 26356, 256, 36554, 256, 36040, 256, 28369, 256, 20018, 256, 21477, 
-    256, 40860, 256, 40860, 256, 22865, 256, 37329, 256, 21895, 256, 22856, 
-    256, 25078, 256, 30313, 256, 32645, 256, 34367, 256, 34746, 256, 35064, 
-    256, 37007, 256, 27138, 256, 27931, 256, 28889, 256, 29662, 256, 33853, 
-    256, 37226, 256, 39409, 256, 20098, 256, 21365, 256, 27396, 256, 29211, 
-    256, 34349, 256, 40478, 256, 23888, 256, 28651, 256, 34253, 256, 35172, 
-    256, 25289, 256, 33240, 256, 34847, 256, 24266, 256, 26391, 256, 28010, 
-    256, 29436, 256, 37070, 256, 20358, 256, 20919, 256, 21214, 256, 25796, 
-    256, 27347, 256, 29200, 256, 30439, 256, 32769, 256, 34310, 256, 34396, 
-    256, 36335, 256, 38706, 256, 39791, 256, 40442, 256, 30860, 256, 31103, 
-    256, 32160, 256, 33737, 256, 37636, 256, 40575, 256, 35542, 256, 22751, 
-    256, 24324, 256, 31840, 256, 32894, 256, 29282, 256, 30922, 256, 36034, 
-    256, 38647, 256, 22744, 256, 23650, 256, 27155, 256, 28122, 256, 28431, 
-    256, 32047, 256, 32311, 256, 38475, 256, 21202, 256, 32907, 256, 20956, 
-    256, 20940, 256, 31260, 256, 32190, 256, 33777, 256, 38517, 256, 35712, 
-    256, 25295, 256, 27138, 256, 35582, 256, 20025, 256, 23527, 256, 24594, 
-    256, 29575, 256, 30064, 256, 21271, 256, 30971, 256, 20415, 256, 24489, 
-    256, 19981, 256, 27852, 256, 25976, 256, 32034, 256, 21443, 256, 22622, 
-    256, 30465, 256, 33865, 256, 35498, 256, 27578, 256, 36784, 256, 27784, 
-    256, 25342, 256, 33509, 256, 25504, 256, 30053, 256, 20142, 256, 20841, 
-    256, 20937, 256, 26753, 256, 31975, 256, 33391, 256, 35538, 256, 37327, 
-    256, 21237, 256, 21570, 256, 22899, 256, 24300, 256, 26053, 256, 28670, 
-    256, 31018, 256, 38317, 256, 39530, 256, 40599, 256, 40654, 256, 21147, 
-    256, 26310, 256, 27511, 256, 36706, 256, 24180, 256, 24976, 256, 25088, 
-    256, 25754, 256, 28451, 256, 29001, 256, 29833, 256, 31178, 256, 32244, 
-    256, 32879, 256, 36646, 256, 34030, 256, 36899, 256, 37706, 256, 21015, 
-    256, 21155, 256, 21693, 256, 28872, 256, 35010, 256, 35498, 256, 24265, 
-    256, 24565, 256, 25467, 256, 27566, 256, 31806, 256, 29557, 256, 20196, 
-    256, 22265, 256, 23527, 256, 23994, 256, 24604, 256, 29618, 256, 29801, 
-    256, 32666, 256, 32838, 256, 37428, 256, 38646, 256, 38728, 256, 38936, 
-    256, 20363, 256, 31150, 256, 37300, 256, 38584, 256, 24801, 256, 20102, 
-    256, 20698, 256, 23534, 256, 23615, 256, 26009, 256, 27138, 256, 29134, 
-    256, 30274, 256, 34044, 256, 36988, 256, 40845, 256, 26248, 256, 38446, 
-    256, 21129, 256, 26491, 256, 26611, 256, 27969, 256, 28316, 256, 29705, 
-    256, 30041, 256, 30827, 256, 32016, 256, 39006, 256, 20845, 256, 25134, 
-    256, 38520, 256, 20523, 256, 23833, 256, 28138, 256, 36650, 256, 24459, 
-    256, 24900, 256, 26647, 256, 29575, 256, 38534, 256, 21033, 256, 21519, 
-    256, 23653, 256, 26131, 256, 26446, 256, 26792, 256, 27877, 256, 29702, 
-    256, 30178, 256, 32633, 256, 35023, 256, 35041, 256, 37324, 256, 38626, 
-    256, 21311, 256, 28346, 256, 21533, 256, 29136, 256, 29848, 256, 34298, 
-    256, 38563, 256, 40023, 256, 40607, 256, 26519, 256, 28107, 256, 33256, 
-    256, 31435, 256, 31520, 256, 31890, 256, 29376, 256, 28825, 256, 35672, 
-    256, 20160, 256, 33590, 256, 21050, 256, 20999, 256, 24230, 256, 25299, 
-    256, 31958, 256, 23429, 256, 27934, 256, 26292, 256, 36667, 256, 34892, 
-    256, 38477, 256, 35211, 256, 24275, 256, 20800, 256, 21952, 256, 22618, 
-    256, 26228, 256, 20958, 256, 29482, 256, 30410, 256, 31036, 256, 31070, 
-    256, 31077, 256, 31119, 256, 38742, 256, 31934, 256, 32701, 256, 34322, 
-    256, 35576, 256, 36920, 256, 37117, 256, 39151, 256, 39164, 256, 39208, 
-    256, 40372, 256, 37086, 256, 38583, 256, 20398, 256, 20711, 256, 20813, 
-    256, 21193, 256, 21220, 256, 21329, 256, 21917, 256, 22022, 256, 22120, 
-    256, 22592, 256, 22696, 256, 23652, 256, 23662, 256, 24724, 256, 24936, 
-    256, 24974, 256, 25074, 256, 25935, 256, 26082, 256, 26257, 256, 26757, 
-    256, 28023, 256, 28186, 256, 28450, 256, 29038, 256, 29227, 256, 29730, 
-    256, 30865, 256, 31038, 256, 31049, 256, 31048, 256, 31056, 256, 31062, 
-    256, 31069, 256, 31117, 256, 31118, 256, 31296, 256, 31361, 256, 31680, 
-    256, 32244, 256, 32265, 256, 32321, 256, 32626, 256, 32773, 256, 33261, 
-    256, 33401, 256, 33401, 256, 33879, 256, 35088, 256, 35222, 256, 35585, 
-    256, 35641, 256, 36051, 256, 36104, 256, 36790, 256, 36920, 256, 38627, 
-    256, 38911, 256, 38971, 256, 24693, 256, 148206, 256, 33304, 256, 20006, 
-    256, 20917, 256, 20840, 256, 20352, 256, 20805, 256, 20864, 256, 21191, 
-    256, 21242, 256, 21917, 256, 21845, 256, 21913, 256, 21986, 256, 22618, 
-    256, 22707, 256, 22852, 256, 22868, 256, 23138, 256, 23336, 256, 24274, 
-    256, 24281, 256, 24425, 256, 24493, 256, 24792, 256, 24910, 256, 24840, 
-    256, 24974, 256, 24928, 256, 25074, 256, 25140, 256, 25540, 256, 25628, 
-    256, 25682, 256, 25942, 256, 26228, 256, 26391, 256, 26395, 256, 26454, 
-    256, 27513, 256, 27578, 256, 27969, 256, 28379, 256, 28363, 256, 28450, 
-    256, 28702, 256, 29038, 256, 30631, 256, 29237, 256, 29359, 256, 29482, 
-    256, 29809, 256, 29958, 256, 30011, 256, 30237, 256, 30239, 256, 30410, 
-    256, 30427, 256, 30452, 256, 30538, 256, 30528, 256, 30924, 256, 31409, 
-    256, 31680, 256, 31867, 256, 32091, 256, 32244, 256, 32574, 256, 32773, 
-    256, 33618, 256, 33775, 256, 34681, 256, 35137, 256, 35206, 256, 35222, 
-    256, 35519, 256, 35576, 256, 35531, 256, 35585, 256, 35582, 256, 35565, 
-    256, 35641, 256, 35722, 256, 36104, 256, 36664, 256, 36978, 256, 37273, 
-    256, 37494, 256, 38524, 256, 38627, 256, 38742, 256, 38875, 256, 38911, 
-    256, 38923, 256, 38971, 256, 39698, 256, 40860, 256, 141386, 256, 141380, 
-    256, 144341, 256, 15261, 256, 16408, 256, 16441, 256, 152137, 256, 
-    154832, 256, 163539, 256, 40771, 256, 40846, 514, 102, 102, 514, 102, 
-    105, 514, 102, 108, 770, 102, 102, 105, 770, 102, 102, 108, 514, 383, 
-    116, 514, 115, 116, 514, 1396, 1398, 514, 1396, 1381, 514, 1396, 1387, 
-    514, 1406, 1398, 514, 1396, 1389, 512, 1497, 1460, 512, 1522, 1463, 262, 
-    1506, 262, 1488, 262, 1491, 262, 1492, 262, 1499, 262, 1500, 262, 1501, 
-    262, 1512, 262, 1514, 262, 43, 512, 1513, 1473, 512, 1513, 1474, 512, 
-    64329, 1473, 512, 64329, 1474, 512, 1488, 1463, 512, 1488, 1464, 512, 
-    1488, 1468, 512, 1489, 1468, 512, 1490, 1468, 512, 1491, 1468, 512, 1492, 
-    1468, 512, 1493, 1468, 512, 1494, 1468, 512, 1496, 1468, 512, 1497, 1468, 
-    512, 1498, 1468, 512, 1499, 1468, 512, 1500, 1468, 512, 1502, 1468, 512, 
-    1504, 1468, 512, 1505, 1468, 512, 1507, 1468, 512, 1508, 1468, 512, 1510, 
-    1468, 512, 1511, 1468, 512, 1512, 1468, 512, 1513, 1468, 512, 1514, 1468, 
-    512, 1493, 1465, 512, 1489, 1471, 512, 1499, 1471, 512, 1508, 1471, 514, 
-    1488, 1500, 267, 1649, 268, 1649, 267, 1659, 268, 1659, 269, 1659, 270, 
-    1659, 267, 1662, 268, 1662, 269, 1662, 270, 1662, 267, 1664, 268, 1664, 
-    269, 1664, 270, 1664, 267, 1658, 268, 1658, 269, 1658, 270, 1658, 267, 
-    1663, 268, 1663, 269, 1663, 270, 1663, 267, 1657, 268, 1657, 269, 1657, 
-    270, 1657, 267, 1700, 268, 1700, 269, 1700, 270, 1700, 267, 1702, 268, 
-    1702, 269, 1702, 270, 1702, 267, 1668, 268, 1668, 269, 1668, 270, 1668, 
-    267, 1667, 268, 1667, 269, 1667, 270, 1667, 267, 1670, 268, 1670, 269, 
-    1670, 270, 1670, 267, 1671, 268, 1671, 269, 1671, 270, 1671, 267, 1677, 
-    268, 1677, 267, 1676, 268, 1676, 267, 1678, 268, 1678, 267, 1672, 268, 
-    1672, 267, 1688, 268, 1688, 267, 1681, 268, 1681, 267, 1705, 268, 1705, 
-    269, 1705, 270, 1705, 267, 1711, 268, 1711, 269, 1711, 270, 1711, 267, 
-    1715, 268, 1715, 269, 1715, 270, 1715, 267, 1713, 268, 1713, 269, 1713, 
-    270, 1713, 267, 1722, 268, 1722, 267, 1723, 268, 1723, 269, 1723, 270, 
-    1723, 267, 1728, 268, 1728, 267, 1729, 268, 1729, 269, 1729, 270, 1729, 
-    267, 1726, 268, 1726, 269, 1726, 270, 1726, 267, 1746, 268, 1746, 267, 
-    1747, 268, 1747, 267, 1709, 268, 1709, 269, 1709, 270, 1709, 267, 1735, 
-    268, 1735, 267, 1734, 268, 1734, 267, 1736, 268, 1736, 267, 1655, 267, 
-    1739, 268, 1739, 267, 1733, 268, 1733, 267, 1737, 268, 1737, 267, 1744, 
-    268, 1744, 269, 1744, 270, 1744, 269, 1609, 270, 1609, 523, 1574, 1575, 
-    524, 1574, 1575, 523, 1574, 1749, 524, 1574, 1749, 523, 1574, 1608, 524, 
-    1574, 1608, 523, 1574, 1735, 524, 1574, 1735, 523, 1574, 1734, 524, 1574, 
-    1734, 523, 1574, 1736, 524, 1574, 1736, 523, 1574, 1744, 524, 1574, 1744, 
-    525, 1574, 1744, 523, 1574, 1609, 524, 1574, 1609, 525, 1574, 1609, 267, 
-    1740, 268, 1740, 269, 1740, 270, 1740, 523, 1574, 1580, 523, 1574, 1581, 
-    523, 1574, 1605, 523, 1574, 1609, 523, 1574, 1610, 523, 1576, 1580, 523, 
-    1576, 1581, 523, 1576, 1582, 523, 1576, 1605, 523, 1576, 1609, 523, 1576, 
-    1610, 523, 1578, 1580, 523, 1578, 1581, 523, 1578, 1582, 523, 1578, 1605, 
-    523, 1578, 1609, 523, 1578, 1610, 523, 1579, 1580, 523, 1579, 1605, 523, 
-    1579, 1609, 523, 1579, 1610, 523, 1580, 1581, 523, 1580, 1605, 523, 1581, 
-    1580, 523, 1581, 1605, 523, 1582, 1580, 523, 1582, 1581, 523, 1582, 1605, 
-    523, 1587, 1580, 523, 1587, 1581, 523, 1587, 1582, 523, 1587, 1605, 523, 
-    1589, 1581, 523, 1589, 1605, 523, 1590, 1580, 523, 1590, 1581, 523, 1590, 
-    1582, 523, 1590, 1605, 523, 1591, 1581, 523, 1591, 1605, 523, 1592, 1605, 
-    523, 1593, 1580, 523, 1593, 1605, 523, 1594, 1580, 523, 1594, 1605, 523, 
-    1601, 1580, 523, 1601, 1581, 523, 1601, 1582, 523, 1601, 1605, 523, 1601, 
-    1609, 523, 1601, 1610, 523, 1602, 1581, 523, 1602, 1605, 523, 1602, 1609, 
-    523, 1602, 1610, 523, 1603, 1575, 523, 1603, 1580, 523, 1603, 1581, 523, 
-    1603, 1582, 523, 1603, 1604, 523, 1603, 1605, 523, 1603, 1609, 523, 1603, 
-    1610, 523, 1604, 1580, 523, 1604, 1581, 523, 1604, 1582, 523, 1604, 1605, 
-    523, 1604, 1609, 523, 1604, 1610, 523, 1605, 1580, 523, 1605, 1581, 523, 
-    1605, 1582, 523, 1605, 1605, 523, 1605, 1609, 523, 1605, 1610, 523, 1606, 
-    1580, 523, 1606, 1581, 523, 1606, 1582, 523, 1606, 1605, 523, 1606, 1609, 
-    523, 1606, 1610, 523, 1607, 1580, 523, 1607, 1605, 523, 1607, 1609, 523, 
-    1607, 1610, 523, 1610, 1580, 523, 1610, 1581, 523, 1610, 1582, 523, 1610, 
-    1605, 523, 1610, 1609, 523, 1610, 1610, 523, 1584, 1648, 523, 1585, 1648, 
-    523, 1609, 1648, 779, 32, 1612, 1617, 779, 32, 1613, 1617, 779, 32, 1614, 
-    1617, 779, 32, 1615, 1617, 779, 32, 1616, 1617, 779, 32, 1617, 1648, 524, 
-    1574, 1585, 524, 1574, 1586, 524, 1574, 1605, 524, 1574, 1606, 524, 1574, 
-    1609, 524, 1574, 1610, 524, 1576, 1585, 524, 1576, 1586, 524, 1576, 1605, 
-    524, 1576, 1606, 524, 1576, 1609, 524, 1576, 1610, 524, 1578, 1585, 524, 
-    1578, 1586, 524, 1578, 1605, 524, 1578, 1606, 524, 1578, 1609, 524, 1578, 
-    1610, 524, 1579, 1585, 524, 1579, 1586, 524, 1579, 1605, 524, 1579, 1606, 
-    524, 1579, 1609, 524, 1579, 1610, 524, 1601, 1609, 524, 1601, 1610, 524, 
-    1602, 1609, 524, 1602, 1610, 524, 1603, 1575, 524, 1603, 1604, 524, 1603, 
-    1605, 524, 1603, 1609, 524, 1603, 1610, 524, 1604, 1605, 524, 1604, 1609, 
-    524, 1604, 1610, 524, 1605, 1575, 524, 1605, 1605, 524, 1606, 1585, 524, 
-    1606, 1586, 524, 1606, 1605, 524, 1606, 1606, 524, 1606, 1609, 524, 1606, 
-    1610, 524, 1609, 1648, 524, 1610, 1585, 524, 1610, 1586, 524, 1610, 1605, 
-    524, 1610, 1606, 524, 1610, 1609, 524, 1610, 1610, 525, 1574, 1580, 525, 
-    1574, 1581, 525, 1574, 1582, 525, 1574, 1605, 525, 1574, 1607, 525, 1576, 
-    1580, 525, 1576, 1581, 525, 1576, 1582, 525, 1576, 1605, 525, 1576, 1607, 
-    525, 1578, 1580, 525, 1578, 1581, 525, 1578, 1582, 525, 1578, 1605, 525, 
-    1578, 1607, 525, 1579, 1605, 525, 1580, 1581, 525, 1580, 1605, 525, 1581, 
-    1580, 525, 1581, 1605, 525, 1582, 1580, 525, 1582, 1605, 525, 1587, 1580, 
-    525, 1587, 1581, 525, 1587, 1582, 525, 1587, 1605, 525, 1589, 1581, 525, 
-    1589, 1582, 525, 1589, 1605, 525, 1590, 1580, 525, 1590, 1581, 525, 1590, 
-    1582, 525, 1590, 1605, 525, 1591, 1581, 525, 1592, 1605, 525, 1593, 1580, 
-    525, 1593, 1605, 525, 1594, 1580, 525, 1594, 1605, 525, 1601, 1580, 525, 
-    1601, 1581, 525, 1601, 1582, 525, 1601, 1605, 525, 1602, 1581, 525, 1602, 
-    1605, 525, 1603, 1580, 525, 1603, 1581, 525, 1603, 1582, 525, 1603, 1604, 
-    525, 1603, 1605, 525, 1604, 1580, 525, 1604, 1581, 525, 1604, 1582, 525, 
-    1604, 1605, 525, 1604, 1607, 525, 1605, 1580, 525, 1605, 1581, 525, 1605, 
-    1582, 525, 1605, 1605, 525, 1606, 1580, 525, 1606, 1581, 525, 1606, 1582, 
-    525, 1606, 1605, 525, 1606, 1607, 525, 1607, 1580, 525, 1607, 1605, 525, 
-    1607, 1648, 525, 1610, 1580, 525, 1610, 1581, 525, 1610, 1582, 525, 1610, 
-    1605, 525, 1610, 1607, 526, 1574, 1605, 526, 1574, 1607, 526, 1576, 1605, 
-    526, 1576, 1607, 526, 1578, 1605, 526, 1578, 1607, 526, 1579, 1605, 526, 
-    1579, 1607, 526, 1587, 1605, 526, 1587, 1607, 526, 1588, 1605, 526, 1588, 
-    1607, 526, 1603, 1604, 526, 1603, 1605, 526, 1604, 1605, 526, 1606, 1605, 
-    526, 1606, 1607, 526, 1610, 1605, 526, 1610, 1607, 782, 1600, 1614, 1617, 
-    782, 1600, 1615, 1617, 782, 1600, 1616, 1617, 523, 1591, 1609, 523, 1591, 
-    1610, 523, 1593, 1609, 523, 1593, 1610, 523, 1594, 1609, 523, 1594, 1610, 
-    523, 1587, 1609, 523, 1587, 1610, 523, 1588, 1609, 523, 1588, 1610, 523, 
-    1581, 1609, 523, 1581, 1610, 523, 1580, 1609, 523, 1580, 1610, 523, 1582, 
-    1609, 523, 1582, 1610, 523, 1589, 1609, 523, 1589, 1610, 523, 1590, 1609, 
-    523, 1590, 1610, 523, 1588, 1580, 523, 1588, 1581, 523, 1588, 1582, 523, 
-    1588, 1605, 523, 1588, 1585, 523, 1587, 1585, 523, 1589, 1585, 523, 1590, 
-    1585, 524, 1591, 1609, 524, 1591, 1610, 524, 1593, 1609, 524, 1593, 1610, 
-    524, 1594, 1609, 524, 1594, 1610, 524, 1587, 1609, 524, 1587, 1610, 524, 
-    1588, 1609, 524, 1588, 1610, 524, 1581, 1609, 524, 1581, 1610, 524, 1580, 
-    1609, 524, 1580, 1610, 524, 1582, 1609, 524, 1582, 1610, 524, 1589, 1609, 
-    524, 1589, 1610, 524, 1590, 1609, 524, 1590, 1610, 524, 1588, 1580, 524, 
-    1588, 1581, 524, 1588, 1582, 524, 1588, 1605, 524, 1588, 1585, 524, 1587, 
-    1585, 524, 1589, 1585, 524, 1590, 1585, 525, 1588, 1580, 525, 1588, 1581, 
-    525, 1588, 1582, 525, 1588, 1605, 525, 1587, 1607, 525, 1588, 1607, 525, 
-    1591, 1605, 526, 1587, 1580, 526, 1587, 1581, 526, 1587, 1582, 526, 1588, 
-    1580, 526, 1588, 1581, 526, 1588, 1582, 526, 1591, 1605, 526, 1592, 1605, 
-    524, 1575, 1611, 523, 1575, 1611, 781, 1578, 1580, 1605, 780, 1578, 1581, 
-    1580, 781, 1578, 1581, 1580, 781, 1578, 1581, 1605, 781, 1578, 1582, 
-    1605, 781, 1578, 1605, 1580, 781, 1578, 1605, 1581, 781, 1578, 1605, 
-    1582, 780, 1580, 1605, 1581, 781, 1580, 1605, 1581, 780, 1581, 1605, 
-    1610, 780, 1581, 1605, 1609, 781, 1587, 1581, 1580, 781, 1587, 1580, 
-    1581, 780, 1587, 1580, 1609, 780, 1587, 1605, 1581, 781, 1587, 1605, 
-    1581, 781, 1587, 1605, 1580, 780, 1587, 1605, 1605, 781, 1587, 1605, 
-    1605, 780, 1589, 1581, 1581, 781, 1589, 1581, 1581, 780, 1589, 1605, 
-    1605, 780, 1588, 1581, 1605, 781, 1588, 1581, 1605, 780, 1588, 1580, 
-    1610, 780, 1588, 1605, 1582, 781, 1588, 1605, 1582, 780, 1588, 1605, 
-    1605, 781, 1588, 1605, 1605, 780, 1590, 1581, 1609, 780, 1590, 1582, 
-    1605, 781, 1590, 1582, 1605, 780, 1591, 1605, 1581, 781, 1591, 1605, 
-    1581, 781, 1591, 1605, 1605, 780, 1591, 1605, 1610, 780, 1593, 1580, 
-    1605, 780, 1593, 1605, 1605, 781, 1593, 1605, 1605, 780, 1593, 1605, 
-    1609, 780, 1594, 1605, 1605, 780, 1594, 1605, 1610, 780, 1594, 1605, 
-    1609, 780, 1601, 1582, 1605, 781, 1601, 1582, 1605, 780, 1602, 1605, 
-    1581, 780, 1602, 1605, 1605, 780, 1604, 1581, 1605, 780, 1604, 1581, 
-    1610, 780, 1604, 1581, 1609, 781, 1604, 1580, 1580, 780, 1604, 1580, 
-    1580, 780, 1604, 1582, 1605, 781, 1604, 1582, 1605, 780, 1604, 1605, 
-    1581, 781, 1604, 1605, 1581, 781, 1605, 1581, 1580, 781, 1605, 1581, 
-    1605, 780, 1605, 1581, 1610, 781, 1605, 1580, 1581, 781, 1605, 1580, 
-    1605, 781, 1605, 1582, 1580, 781, 1605, 1582, 1605, 781, 1605, 1580, 
-    1582, 781, 1607, 1605, 1580, 781, 1607, 1605, 1605, 781, 1606, 1581, 
-    1605, 780, 1606, 1581, 1609, 780, 1606, 1580, 1605, 781, 1606, 1580, 
-    1605, 780, 1606, 1580, 1609, 780, 1606, 1605, 1610, 780, 1606, 1605, 
-    1609, 780, 1610, 1605, 1605, 781, 1610, 1605, 1605, 780, 1576, 1582, 
-    1610, 780, 1578, 1580, 1610, 780, 1578, 1580, 1609, 780, 1578, 1582, 
-    1610, 780, 1578, 1582, 1609, 780, 1578, 1605, 1610, 780, 1578, 1605, 
-    1609, 780, 1580, 1605, 1610, 780, 1580, 1581, 1609, 780, 1580, 1605, 
-    1609, 780, 1587, 1582, 1609, 780, 1589, 1581, 1610, 780, 1588, 1581, 
-    1610, 780, 1590, 1581, 1610, 780, 1604, 1580, 1610, 780, 1604, 1605, 
-    1610, 780, 1610, 1581, 1610, 780, 1610, 1580, 1610, 780, 1610, 1605, 
-    1610, 780, 1605, 1605, 1610, 780, 1602, 1605, 1610, 780, 1606, 1581, 
-    1610, 781, 1602, 1605, 1581, 781, 1604, 1581, 1605, 780, 1593, 1605, 
-    1610, 780, 1603, 1605, 1610, 781, 1606, 1580, 1581, 780, 1605, 1582, 
-    1610, 781, 1604, 1580, 1605, 780, 1603, 1605, 1605, 780, 1604, 1580, 
-    1605, 780, 1606, 1580, 1581, 780, 1580, 1581, 1610, 780, 1581, 1580, 
-    1610, 780, 1605, 1580, 1610, 780, 1601, 1605, 1610, 780, 1576, 1581, 
-    1610, 781, 1603, 1605, 1605, 781, 1593, 1580, 1605, 781, 1589, 1605, 
-    1605, 780, 1587, 1582, 1610, 780, 1606, 1580, 1610, 779, 1589, 1604, 
-    1746, 779, 1602, 1604, 1746, 1035, 1575, 1604, 1604, 1607, 1035, 1575, 
-    1603, 1576, 1585, 1035, 1605, 1581, 1605, 1583, 1035, 1589, 1604, 1593, 
-    1605, 1035, 1585, 1587, 1608, 1604, 1035, 1593, 1604, 1610, 1607, 1035, 
-    1608, 1587, 1604, 1605, 779, 1589, 1604, 1609, 4619, 1589, 1604, 1609, 
-    32, 1575, 1604, 1604, 1607, 32, 1593, 1604, 1610, 1607, 32, 1608, 1587, 
-    1604, 1605, 2059, 1580, 1604, 32, 1580, 1604, 1575, 1604, 1607, 1035, 
-    1585, 1740, 1575, 1604, 265, 44, 265, 12289, 265, 12290, 265, 58, 265, 
-    59, 265, 33, 265, 63, 265, 12310, 265, 12311, 265, 8230, 265, 8229, 265, 
-    8212, 265, 8211, 265, 95, 265, 95, 265, 40, 265, 41, 265, 123, 265, 125, 
-    265, 12308, 265, 12309, 265, 12304, 265, 12305, 265, 12298, 265, 12299, 
-    265, 12296, 265, 12297, 265, 12300, 265, 12301, 265, 12302, 265, 12303, 
-    265, 91, 265, 93, 258, 8254, 258, 8254, 258, 8254, 258, 8254, 258, 95, 
-    258, 95, 258, 95, 271, 44, 271, 12289, 271, 46, 271, 59, 271, 58, 271, 
-    63, 271, 33, 271, 8212, 271, 40, 271, 41, 271, 123, 271, 125, 271, 12308, 
-    271, 12309, 271, 35, 271, 38, 271, 42, 271, 43, 271, 45, 271, 60, 271, 
-    62, 271, 61, 271, 92, 271, 36, 271, 37, 271, 64, 523, 32, 1611, 526, 
-    1600, 1611, 523, 32, 1612, 523, 32, 1613, 523, 32, 1614, 526, 1600, 1614, 
-    523, 32, 1615, 526, 1600, 1615, 523, 32, 1616, 526, 1600, 1616, 523, 32, 
-    1617, 526, 1600, 1617, 523, 32, 1618, 526, 1600, 1618, 267, 1569, 267, 
-    1570, 268, 1570, 267, 1571, 268, 1571, 267, 1572, 268, 1572, 267, 1573, 
-    268, 1573, 267, 1574, 268, 1574, 269, 1574, 270, 1574, 267, 1575, 268, 
-    1575, 267, 1576, 268, 1576, 269, 1576, 270, 1576, 267, 1577, 268, 1577, 
-    267, 1578, 268, 1578, 269, 1578, 270, 1578, 267, 1579, 268, 1579, 269, 
-    1579, 270, 1579, 267, 1580, 268, 1580, 269, 1580, 270, 1580, 267, 1581, 
-    268, 1581, 269, 1581, 270, 1581, 267, 1582, 268, 1582, 269, 1582, 270, 
-    1582, 267, 1583, 268, 1583, 267, 1584, 268, 1584, 267, 1585, 268, 1585, 
-    267, 1586, 268, 1586, 267, 1587, 268, 1587, 269, 1587, 270, 1587, 267, 
-    1588, 268, 1588, 269, 1588, 270, 1588, 267, 1589, 268, 1589, 269, 1589, 
-    270, 1589, 267, 1590, 268, 1590, 269, 1590, 270, 1590, 267, 1591, 268, 
-    1591, 269, 1591, 270, 1591, 267, 1592, 268, 1592, 269, 1592, 270, 1592, 
-    267, 1593, 268, 1593, 269, 1593, 270, 1593, 267, 1594, 268, 1594, 269, 
-    1594, 270, 1594, 267, 1601, 268, 1601, 269, 1601, 270, 1601, 267, 1602, 
-    268, 1602, 269, 1602, 270, 1602, 267, 1603, 268, 1603, 269, 1603, 270, 
-    1603, 267, 1604, 268, 1604, 269, 1604, 270, 1604, 267, 1605, 268, 1605, 
-    269, 1605, 270, 1605, 267, 1606, 268, 1606, 269, 1606, 270, 1606, 267, 
-    1607, 268, 1607, 269, 1607, 270, 1607, 267, 1608, 268, 1608, 267, 1609, 
-    268, 1609, 267, 1610, 268, 1610, 269, 1610, 270, 1610, 523, 1604, 1570, 
-    524, 1604, 1570, 523, 1604, 1571, 524, 1604, 1571, 523, 1604, 1573, 524, 
-    1604, 1573, 523, 1604, 1575, 524, 1604, 1575, 264, 33, 264, 34, 264, 35, 
-    264, 36, 264, 37, 264, 38, 264, 39, 264, 40, 264, 41, 264, 42, 264, 43, 
-    264, 44, 264, 45, 264, 46, 264, 47, 264, 48, 264, 49, 264, 50, 264, 51, 
-    264, 52, 264, 53, 264, 54, 264, 55, 264, 56, 264, 57, 264, 58, 264, 59, 
-    264, 60, 264, 61, 264, 62, 264, 63, 264, 64, 264, 65, 264, 66, 264, 67, 
-    264, 68, 264, 69, 264, 70, 264, 71, 264, 72, 264, 73, 264, 74, 264, 75, 
-    264, 76, 264, 77, 264, 78, 264, 79, 264, 80, 264, 81, 264, 82, 264, 83, 
-    264, 84, 264, 85, 264, 86, 264, 87, 264, 88, 264, 89, 264, 90, 264, 91, 
-    264, 92, 264, 93, 264, 94, 264, 95, 264, 96, 264, 97, 264, 98, 264, 99, 
-    264, 100, 264, 101, 264, 102, 264, 103, 264, 104, 264, 105, 264, 106, 
-    264, 107, 264, 108, 264, 109, 264, 110, 264, 111, 264, 112, 264, 113, 
-    264, 114, 264, 115, 264, 116, 264, 117, 264, 118, 264, 119, 264, 120, 
-    264, 121, 264, 122, 264, 123, 264, 124, 264, 125, 264, 126, 264, 10629, 
-    264, 10630, 272, 12290, 272, 12300, 272, 12301, 272, 12289, 272, 12539, 
-    272, 12530, 272, 12449, 272, 12451, 272, 12453, 272, 12455, 272, 12457, 
-    272, 12515, 272, 12517, 272, 12519, 272, 12483, 272, 12540, 272, 12450, 
-    272, 12452, 272, 12454, 272, 12456, 272, 12458, 272, 12459, 272, 12461, 
-    272, 12463, 272, 12465, 272, 12467, 272, 12469, 272, 12471, 272, 12473, 
-    272, 12475, 272, 12477, 272, 12479, 272, 12481, 272, 12484, 272, 12486, 
-    272, 12488, 272, 12490, 272, 12491, 272, 12492, 272, 12493, 272, 12494, 
-    272, 12495, 272, 12498, 272, 12501, 272, 12504, 272, 12507, 272, 12510, 
-    272, 12511, 272, 12512, 272, 12513, 272, 12514, 272, 12516, 272, 12518, 
-    272, 12520, 272, 12521, 272, 12522, 272, 12523, 272, 12524, 272, 12525, 
-    272, 12527, 272, 12531, 272, 12441, 272, 12442, 272, 12644, 272, 12593, 
-    272, 12594, 272, 12595, 272, 12596, 272, 12597, 272, 12598, 272, 12599, 
-    272, 12600, 272, 12601, 272, 12602, 272, 12603, 272, 12604, 272, 12605, 
-    272, 12606, 272, 12607, 272, 12608, 272, 12609, 272, 12610, 272, 12611, 
-    272, 12612, 272, 12613, 272, 12614, 272, 12615, 272, 12616, 272, 12617, 
-    272, 12618, 272, 12619, 272, 12620, 272, 12621, 272, 12622, 272, 12623, 
-    272, 12624, 272, 12625, 272, 12626, 272, 12627, 272, 12628, 272, 12629, 
-    272, 12630, 272, 12631, 272, 12632, 272, 12633, 272, 12634, 272, 12635, 
-    272, 12636, 272, 12637, 272, 12638, 272, 12639, 272, 12640, 272, 12641, 
-    272, 12642, 272, 12643, 264, 162, 264, 163, 264, 172, 264, 175, 264, 166, 
-    264, 165, 264, 8361, 272, 9474, 272, 8592, 272, 8593, 272, 8594, 272, 
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+    1593, 1605, 1605, 781, 1593, 1605, 1605, 780, 1593, 1605, 1609, 780, 
+    1594, 1605, 1605, 780, 1594, 1605, 1610, 780, 1594, 1605, 1609, 780, 
+    1601, 1582, 1605, 781, 1601, 1582, 1605, 780, 1602, 1605, 1581, 780, 
+    1602, 1605, 1605, 780, 1604, 1581, 1605, 780, 1604, 1581, 1610, 780, 
+    1604, 1581, 1609, 781, 1604, 1580, 1580, 780, 1604, 1580, 1580, 780, 
+    1604, 1582, 1605, 781, 1604, 1582, 1605, 780, 1604, 1605, 1581, 781, 
+    1604, 1605, 1581, 781, 1605, 1581, 1580, 781, 1605, 1581, 1605, 780, 
+    1605, 1581, 1610, 781, 1605, 1580, 1581, 781, 1605, 1580, 1605, 781, 
+    1605, 1582, 1580, 781, 1605, 1582, 1605, 781, 1605, 1580, 1582, 781, 
+    1607, 1605, 1580, 781, 1607, 1605, 1605, 781, 1606, 1581, 1605, 780, 
+    1606, 1581, 1609, 780, 1606, 1580, 1605, 781, 1606, 1580, 1605, 780, 
+    1606, 1580, 1609, 780, 1606, 1605, 1610, 780, 1606, 1605, 1609, 780, 
+    1610, 1605, 1605, 781, 1610, 1605, 1605, 780, 1576, 1582, 1610, 780, 
+    1578, 1580, 1610, 780, 1578, 1580, 1609, 780, 1578, 1582, 1610, 780, 
+    1578, 1582, 1609, 780, 1578, 1605, 1610, 780, 1578, 1605, 1609, 780, 
+    1580, 1605, 1610, 780, 1580, 1581, 1609, 780, 1580, 1605, 1609, 780, 
+    1587, 1582, 1609, 780, 1589, 1581, 1610, 780, 1588, 1581, 1610, 780, 
+    1590, 1581, 1610, 780, 1604, 1580, 1610, 780, 1604, 1605, 1610, 780, 
+    1610, 1581, 1610, 780, 1610, 1580, 1610, 780, 1610, 1605, 1610, 780, 
+    1605, 1605, 1610, 780, 1602, 1605, 1610, 780, 1606, 1581, 1610, 781, 
+    1602, 1605, 1581, 781, 1604, 1581, 1605, 780, 1593, 1605, 1610, 780, 
+    1603, 1605, 1610, 781, 1606, 1580, 1581, 780, 1605, 1582, 1610, 781, 
+    1604, 1580, 1605, 780, 1603, 1605, 1605, 780, 1604, 1580, 1605, 780, 
+    1606, 1580, 1581, 780, 1580, 1581, 1610, 780, 1581, 1580, 1610, 780, 
+    1605, 1580, 1610, 780, 1601, 1605, 1610, 780, 1576, 1581, 1610, 781, 
+    1603, 1605, 1605, 781, 1593, 1580, 1605, 781, 1589, 1605, 1605, 780, 
+    1587, 1582, 1610, 780, 1606, 1580, 1610, 779, 1589, 1604, 1746, 779, 
+    1602, 1604, 1746, 1035, 1575, 1604, 1604, 1607, 1035, 1575, 1603, 1576, 
+    1585, 1035, 1605, 1581, 1605, 1583, 1035, 1589, 1604, 1593, 1605, 1035, 
+    1585, 1587, 1608, 1604, 1035, 1593, 1604, 1610, 1607, 1035, 1608, 1587, 
+    1604, 1605, 779, 1589, 1604, 1609, 4619, 1589, 1604, 1609, 32, 1575, 
+    1604, 1604, 1607, 32, 1593, 1604, 1610, 1607, 32, 1608, 1587, 1604, 1605, 
+    2059, 1580, 1604, 32, 1580, 1604, 1575, 1604, 1607, 1035, 1585, 1740, 
+    1575, 1604, 265, 44, 265, 12289, 265, 12290, 265, 58, 265, 59, 265, 33, 
+    265, 63, 265, 12310, 265, 12311, 265, 8230, 265, 8229, 265, 8212, 265, 
+    8211, 265, 95, 265, 95, 265, 40, 265, 41, 265, 123, 265, 125, 265, 12308, 
+    265, 12309, 265, 12304, 265, 12305, 265, 12298, 265, 12299, 265, 12296, 
+    265, 12297, 265, 12300, 265, 12301, 265, 12302, 265, 12303, 265, 91, 265, 
+    93, 258, 8254, 258, 8254, 258, 8254, 258, 8254, 258, 95, 258, 95, 258, 
+    95, 271, 44, 271, 12289, 271, 46, 271, 59, 271, 58, 271, 63, 271, 33, 
+    271, 8212, 271, 40, 271, 41, 271, 123, 271, 125, 271, 12308, 271, 12309, 
+    271, 35, 271, 38, 271, 42, 271, 43, 271, 45, 271, 60, 271, 62, 271, 61, 
+    271, 92, 271, 36, 271, 37, 271, 64, 523, 32, 1611, 526, 1600, 1611, 523, 
+    32, 1612, 523, 32, 1613, 523, 32, 1614, 526, 1600, 1614, 523, 32, 1615, 
+    526, 1600, 1615, 523, 32, 1616, 526, 1600, 1616, 523, 32, 1617, 526, 
+    1600, 1617, 523, 32, 1618, 526, 1600, 1618, 267, 1569, 267, 1570, 268, 
+    1570, 267, 1571, 268, 1571, 267, 1572, 268, 1572, 267, 1573, 268, 1573, 
+    267, 1574, 268, 1574, 269, 1574, 270, 1574, 267, 1575, 268, 1575, 267, 
+    1576, 268, 1576, 269, 1576, 270, 1576, 267, 1577, 268, 1577, 267, 1578, 
+    268, 1578, 269, 1578, 270, 1578, 267, 1579, 268, 1579, 269, 1579, 270, 
+    1579, 267, 1580, 268, 1580, 269, 1580, 270, 1580, 267, 1581, 268, 1581, 
+    269, 1581, 270, 1581, 267, 1582, 268, 1582, 269, 1582, 270, 1582, 267, 
+    1583, 268, 1583, 267, 1584, 268, 1584, 267, 1585, 268, 1585, 267, 1586, 
+    268, 1586, 267, 1587, 268, 1587, 269, 1587, 270, 1587, 267, 1588, 268, 
+    1588, 269, 1588, 270, 1588, 267, 1589, 268, 1589, 269, 1589, 270, 1589, 
+    267, 1590, 268, 1590, 269, 1590, 270, 1590, 267, 1591, 268, 1591, 269, 
+    1591, 270, 1591, 267, 1592, 268, 1592, 269, 1592, 270, 1592, 267, 1593, 
+    268, 1593, 269, 1593, 270, 1593, 267, 1594, 268, 1594, 269, 1594, 270, 
+    1594, 267, 1601, 268, 1601, 269, 1601, 270, 1601, 267, 1602, 268, 1602, 
+    269, 1602, 270, 1602, 267, 1603, 268, 1603, 269, 1603, 270, 1603, 267, 
+    1604, 268, 1604, 269, 1604, 270, 1604, 267, 1605, 268, 1605, 269, 1605, 
+    270, 1605, 267, 1606, 268, 1606, 269, 1606, 270, 1606, 267, 1607, 268, 
+    1607, 269, 1607, 270, 1607, 267, 1608, 268, 1608, 267, 1609, 268, 1609, 
+    267, 1610, 268, 1610, 269, 1610, 270, 1610, 523, 1604, 1570, 524, 1604, 
+    1570, 523, 1604, 1571, 524, 1604, 1571, 523, 1604, 1573, 524, 1604, 1573, 
+    523, 1604, 1575, 524, 1604, 1575, 264, 33, 264, 34, 264, 35, 264, 36, 
+    264, 37, 264, 38, 264, 39, 264, 40, 264, 41, 264, 42, 264, 43, 264, 44, 
+    264, 45, 264, 46, 264, 47, 264, 48, 264, 49, 264, 50, 264, 51, 264, 52, 
+    264, 53, 264, 54, 264, 55, 264, 56, 264, 57, 264, 58, 264, 59, 264, 60, 
+    264, 61, 264, 62, 264, 63, 264, 64, 264, 65, 264, 66, 264, 67, 264, 68, 
+    264, 69, 264, 70, 264, 71, 264, 72, 264, 73, 264, 74, 264, 75, 264, 76, 
+    264, 77, 264, 78, 264, 79, 264, 80, 264, 81, 264, 82, 264, 83, 264, 84, 
+    264, 85, 264, 86, 264, 87, 264, 88, 264, 89, 264, 90, 264, 91, 264, 92, 
+    264, 93, 264, 94, 264, 95, 264, 96, 264, 97, 264, 98, 264, 99, 264, 100, 
+    264, 101, 264, 102, 264, 103, 264, 104, 264, 105, 264, 106, 264, 107, 
+    264, 108, 264, 109, 264, 110, 264, 111, 264, 112, 264, 113, 264, 114, 
+    264, 115, 264, 116, 264, 117, 264, 118, 264, 119, 264, 120, 264, 121, 
+    264, 122, 264, 123, 264, 124, 264, 125, 264, 126, 264, 10629, 264, 10630, 
+    272, 12290, 272, 12300, 272, 12301, 272, 12289, 272, 12539, 272, 12530, 
+    272, 12449, 272, 12451, 272, 12453, 272, 12455, 272, 12457, 272, 12515, 
+    272, 12517, 272, 12519, 272, 12483, 272, 12540, 272, 12450, 272, 12452, 
+    272, 12454, 272, 12456, 272, 12458, 272, 12459, 272, 12461, 272, 12463, 
+    272, 12465, 272, 12467, 272, 12469, 272, 12471, 272, 12473, 272, 12475, 
+    272, 12477, 272, 12479, 272, 12481, 272, 12484, 272, 12486, 272, 12488, 
+    272, 12490, 272, 12491, 272, 12492, 272, 12493, 272, 12494, 272, 12495, 
+    272, 12498, 272, 12501, 272, 12504, 272, 12507, 272, 12510, 272, 12511, 
+    272, 12512, 272, 12513, 272, 12514, 272, 12516, 272, 12518, 272, 12520, 
+    272, 12521, 272, 12522, 272, 12523, 272, 12524, 272, 12525, 272, 12527, 
+    272, 12531, 272, 12441, 272, 12442, 272, 12644, 272, 12593, 272, 12594, 
+    272, 12595, 272, 12596, 272, 12597, 272, 12598, 272, 12599, 272, 12600, 
+    272, 12601, 272, 12602, 272, 12603, 272, 12604, 272, 12605, 272, 12606, 
+    272, 12607, 272, 12608, 272, 12609, 272, 12610, 272, 12611, 272, 12612, 
+    272, 12613, 272, 12614, 272, 12615, 272, 12616, 272, 12617, 272, 12618, 
+    272, 12619, 272, 12620, 272, 12621, 272, 12622, 272, 12623, 272, 12624, 
+    272, 12625, 272, 12626, 272, 12627, 272, 12628, 272, 12629, 272, 12630, 
+    272, 12631, 272, 12632, 272, 12633, 272, 12634, 272, 12635, 272, 12636, 
+    272, 12637, 272, 12638, 272, 12639, 272, 12640, 272, 12641, 272, 12642, 
+    272, 12643, 264, 162, 264, 163, 264, 172, 264, 175, 264, 166, 264, 165, 
+    264, 8361, 272, 9474, 272, 8592, 272, 8593, 272, 8594, 272, 8595, 272, 
+    9632, 272, 9675, 512, 69785, 69818, 512, 69787, 69818, 512, 69797, 69818, 
+    512, 69937, 69927, 512, 69938, 69927, 512, 70471, 70462, 512, 70471, 
+    70487, 512, 70841, 70842, 512, 70841, 70832, 512, 70841, 70845, 512, 
+    71096, 71087, 512, 71097, 71087, 512, 119127, 119141, 512, 119128, 
+    119141, 512, 119135, 119150, 512, 119135, 119151, 512, 119135, 119152, 
+    512, 119135, 119153, 512, 119135, 119154, 512, 119225, 119141, 512, 
+    119226, 119141, 512, 119227, 119150, 512, 119228, 119150, 512, 119227, 
+    119151, 512, 119228, 119151, 262, 65, 262, 66, 262, 67, 262, 68, 262, 69, 
+    262, 70, 262, 71, 262, 72, 262, 73, 262, 74, 262, 75, 262, 76, 262, 77, 
+    262, 78, 262, 79, 262, 80, 262, 81, 262, 82, 262, 83, 262, 84, 262, 85, 
+    262, 86, 262, 87, 262, 88, 262, 89, 262, 90, 262, 97, 262, 98, 262, 99, 
+    262, 100, 262, 101, 262, 102, 262, 103, 262, 104, 262, 105, 262, 106, 
+    262, 107, 262, 108, 262, 109, 262, 110, 262, 111, 262, 112, 262, 113, 
+    262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 119, 262, 120, 
+    262, 121, 262, 122, 262, 65, 262, 66, 262, 67, 262, 68, 262, 69, 262, 70, 
+    262, 71, 262, 72, 262, 73, 262, 74, 262, 75, 262, 76, 262, 77, 262, 78, 
+    262, 79, 262, 80, 262, 81, 262, 82, 262, 83, 262, 84, 262, 85, 262, 86, 
+    262, 87, 262, 88, 262, 89, 262, 90, 262, 97, 262, 98, 262, 99, 262, 100, 
+    262, 101, 262, 102, 262, 103, 262, 105, 262, 106, 262, 107, 262, 108, 
     262, 109, 262, 110, 262, 111, 262, 112, 262, 113, 262, 114, 262, 115, 
     262, 116, 262, 117, 262, 118, 262, 119, 262, 120, 262, 121, 262, 122, 
-    262, 65, 262, 67, 262, 68, 262, 71, 262, 74, 262, 75, 262, 78, 262, 79, 
-    262, 80, 262, 81, 262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 
-    262, 89, 262, 90, 262, 97, 262, 98, 262, 99, 262, 100, 262, 102, 262, 
-    104, 262, 105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 
-    112, 262, 113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 
-    119, 262, 120, 262, 121, 262, 122, 262, 65, 262, 66, 262, 67, 262, 68, 
-    262, 69, 262, 70, 262, 71, 262, 72, 262, 73, 262, 74, 262, 75, 262, 76, 
-    262, 77, 262, 78, 262, 79, 262, 80, 262, 81, 262, 82, 262, 83, 262, 84, 
-    262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 262, 90, 262, 97, 262, 98, 
-    262, 99, 262, 100, 262, 101, 262, 102, 262, 103, 262, 104, 262, 105, 262, 
-    106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 111, 262, 112, 262, 
-    113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 119, 262, 
-    120, 262, 121, 262, 122, 262, 65, 262, 66, 262, 68, 262, 69, 262, 70, 
-    262, 71, 262, 74, 262, 75, 262, 76, 262, 77, 262, 78, 262, 79, 262, 80, 
+    262, 65, 262, 66, 262, 67, 262, 68, 262, 69, 262, 70, 262, 71, 262, 72, 
+    262, 73, 262, 74, 262, 75, 262, 76, 262, 77, 262, 78, 262, 79, 262, 80, 
+    262, 81, 262, 82, 262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 
+    262, 89, 262, 90, 262, 97, 262, 98, 262, 99, 262, 100, 262, 101, 262, 
+    102, 262, 103, 262, 104, 262, 105, 262, 106, 262, 107, 262, 108, 262, 
+    109, 262, 110, 262, 111, 262, 112, 262, 113, 262, 114, 262, 115, 262, 
+    116, 262, 117, 262, 118, 262, 119, 262, 120, 262, 121, 262, 122, 262, 65, 
+    262, 67, 262, 68, 262, 71, 262, 74, 262, 75, 262, 78, 262, 79, 262, 80, 
     262, 81, 262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 
-    262, 97, 262, 98, 262, 99, 262, 100, 262, 101, 262, 102, 262, 103, 262, 
-    104, 262, 105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 
-    111, 262, 112, 262, 113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 
-    118, 262, 119, 262, 120, 262, 121, 262, 122, 262, 65, 262, 66, 262, 68, 
-    262, 69, 262, 70, 262, 71, 262, 73, 262, 74, 262, 75, 262, 76, 262, 77, 
-    262, 79, 262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 
-    262, 97, 262, 98, 262, 99, 262, 100, 262, 101, 262, 102, 262, 103, 262, 
-    104, 262, 105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 
-    111, 262, 112, 262, 113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 
-    118, 262, 119, 262, 120, 262, 121, 262, 122, 262, 65, 262, 66, 262, 67, 
-    262, 68, 262, 69, 262, 70, 262, 71, 262, 72, 262, 73, 262, 74, 262, 75, 
-    262, 76, 262, 77, 262, 78, 262, 79, 262, 80, 262, 81, 262, 82, 262, 83, 
-    262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 262, 90, 262, 97, 
+    262, 90, 262, 97, 262, 98, 262, 99, 262, 100, 262, 102, 262, 104, 262, 
+    105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 112, 262, 
+    113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 119, 262, 
+    120, 262, 121, 262, 122, 262, 65, 262, 66, 262, 67, 262, 68, 262, 69, 
+    262, 70, 262, 71, 262, 72, 262, 73, 262, 74, 262, 75, 262, 76, 262, 77, 
+    262, 78, 262, 79, 262, 80, 262, 81, 262, 82, 262, 83, 262, 84, 262, 85, 
+    262, 86, 262, 87, 262, 88, 262, 89, 262, 90, 262, 97, 262, 98, 262, 99, 
+    262, 100, 262, 101, 262, 102, 262, 103, 262, 104, 262, 105, 262, 106, 
+    262, 107, 262, 108, 262, 109, 262, 110, 262, 111, 262, 112, 262, 113, 
+    262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 119, 262, 120, 
+    262, 121, 262, 122, 262, 65, 262, 66, 262, 68, 262, 69, 262, 70, 262, 71, 
+    262, 74, 262, 75, 262, 76, 262, 77, 262, 78, 262, 79, 262, 80, 262, 81, 
+    262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 262, 97, 
+    262, 98, 262, 99, 262, 100, 262, 101, 262, 102, 262, 103, 262, 104, 262, 
+    105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 111, 262, 
+    112, 262, 113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 
+    119, 262, 120, 262, 121, 262, 122, 262, 65, 262, 66, 262, 68, 262, 69, 
+    262, 70, 262, 71, 262, 73, 262, 74, 262, 75, 262, 76, 262, 77, 262, 79, 
+    262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 262, 97, 
     262, 98, 262, 99, 262, 100, 262, 101, 262, 102, 262, 103, 262, 104, 262, 
     105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 110, 262, 111, 262, 
     112, 262, 113, 262, 114, 262, 115, 262, 116, 262, 117, 262, 118, 262, 
@@ -3536,33 +3822,15 @@ static unsigned int decomp_data[] = {
     262, 89, 262, 90, 262, 97, 262, 98, 262, 99, 262, 100, 262, 101, 262, 
     102, 262, 103, 262, 104, 262, 105, 262, 106, 262, 107, 262, 108, 262, 
     109, 262, 110, 262, 111, 262, 112, 262, 113, 262, 114, 262, 115, 262, 
-    116, 262, 117, 262, 118, 262, 119, 262, 120, 262, 121, 262, 122, 262, 
-    305, 262, 567, 262, 913, 262, 914, 262, 915, 262, 916, 262, 917, 262, 
-    918, 262, 919, 262, 920, 262, 921, 262, 922, 262, 923, 262, 924, 262, 
-    925, 262, 926, 262, 927, 262, 928, 262, 929, 262, 1012, 262, 931, 262, 
-    932, 262, 933, 262, 934, 262, 935, 262, 936, 262, 937, 262, 8711, 262, 
-    945, 262, 946, 262, 947, 262, 948, 262, 949, 262, 950, 262, 951, 262, 
-    952, 262, 953, 262, 954, 262, 955, 262, 956, 262, 957, 262, 958, 262, 
-    959, 262, 960, 262, 961, 262, 962, 262, 963, 262, 964, 262, 965, 262, 
-    966, 262, 967, 262, 968, 262, 969, 262, 8706, 262, 1013, 262, 977, 262, 
-    1008, 262, 981, 262, 1009, 262, 982, 262, 913, 262, 914, 262, 915, 262, 
-    916, 262, 917, 262, 918, 262, 919, 262, 920, 262, 921, 262, 922, 262, 
-    923, 262, 924, 262, 925, 262, 926, 262, 927, 262, 928, 262, 929, 262, 
-    1012, 262, 931, 262, 932, 262, 933, 262, 934, 262, 935, 262, 936, 262, 
-    937, 262, 8711, 262, 945, 262, 946, 262, 947, 262, 948, 262, 949, 262, 
-    950, 262, 951, 262, 952, 262, 953, 262, 954, 262, 955, 262, 956, 262, 
-    957, 262, 958, 262, 959, 262, 960, 262, 961, 262, 962, 262, 963, 262, 
-    964, 262, 965, 262, 966, 262, 967, 262, 968, 262, 969, 262, 8706, 262, 
-    1013, 262, 977, 262, 1008, 262, 981, 262, 1009, 262, 982, 262, 913, 262, 
-    914, 262, 915, 262, 916, 262, 917, 262, 918, 262, 919, 262, 920, 262, 
-    921, 262, 922, 262, 923, 262, 924, 262, 925, 262, 926, 262, 927, 262, 
-    928, 262, 929, 262, 1012, 262, 931, 262, 932, 262, 933, 262, 934, 262, 
-    935, 262, 936, 262, 937, 262, 8711, 262, 945, 262, 946, 262, 947, 262, 
-    948, 262, 949, 262, 950, 262, 951, 262, 952, 262, 953, 262, 954, 262, 
-    955, 262, 956, 262, 957, 262, 958, 262, 959, 262, 960, 262, 961, 262, 
-    962, 262, 963, 262, 964, 262, 965, 262, 966, 262, 967, 262, 968, 262, 
-    969, 262, 8706, 262, 1013, 262, 977, 262, 1008, 262, 981, 262, 1009, 262, 
-    982, 262, 913, 262, 914, 262, 915, 262, 916, 262, 917, 262, 918, 262, 
+    116, 262, 117, 262, 118, 262, 119, 262, 120, 262, 121, 262, 122, 262, 65, 
+    262, 66, 262, 67, 262, 68, 262, 69, 262, 70, 262, 71, 262, 72, 262, 73, 
+    262, 74, 262, 75, 262, 76, 262, 77, 262, 78, 262, 79, 262, 80, 262, 81, 
+    262, 82, 262, 83, 262, 84, 262, 85, 262, 86, 262, 87, 262, 88, 262, 89, 
+    262, 90, 262, 97, 262, 98, 262, 99, 262, 100, 262, 101, 262, 102, 262, 
+    103, 262, 104, 262, 105, 262, 106, 262, 107, 262, 108, 262, 109, 262, 
+    110, 262, 111, 262, 112, 262, 113, 262, 114, 262, 115, 262, 116, 262, 
+    117, 262, 118, 262, 119, 262, 120, 262, 121, 262, 122, 262, 305, 262, 
+    567, 262, 913, 262, 914, 262, 915, 262, 916, 262, 917, 262, 918, 262, 
     919, 262, 920, 262, 921, 262, 922, 262, 923, 262, 924, 262, 925, 262, 
     926, 262, 927, 262, 928, 262, 929, 262, 1012, 262, 931, 262, 932, 262, 
     933, 262, 934, 262, 935, 262, 936, 262, 937, 262, 8711, 262, 945, 262, 
@@ -3578,339 +3846,546 @@ static unsigned int decomp_data[] = {
     951, 262, 952, 262, 953, 262, 954, 262, 955, 262, 956, 262, 957, 262, 
     958, 262, 959, 262, 960, 262, 961, 262, 962, 262, 963, 262, 964, 262, 
     965, 262, 966, 262, 967, 262, 968, 262, 969, 262, 8706, 262, 1013, 262, 
-    977, 262, 1008, 262, 981, 262, 1009, 262, 982, 262, 988, 262, 989, 262, 
-    48, 262, 49, 262, 50, 262, 51, 262, 52, 262, 53, 262, 54, 262, 55, 262, 
-    56, 262, 57, 262, 48, 262, 49, 262, 50, 262, 51, 262, 52, 262, 53, 262, 
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+    20687, 256, 13470, 256, 132666, 256, 20813, 256, 20820, 256, 20836, 256, 
+    20855, 256, 132380, 256, 13497, 256, 20839, 256, 20877, 256, 132427, 256, 
+    20887, 256, 20900, 256, 20172, 256, 20908, 256, 20917, 256, 168415, 256, 
+    20981, 256, 20995, 256, 13535, 256, 21051, 256, 21062, 256, 21106, 256, 
+    21111, 256, 13589, 256, 21191, 256, 21193, 256, 21220, 256, 21242, 256, 
+    21253, 256, 21254, 256, 21271, 256, 21321, 256, 21329, 256, 21338, 256, 
+    21363, 256, 21373, 256, 21375, 256, 21375, 256, 21375, 256, 133676, 256, 
+    28784, 256, 21450, 256, 21471, 256, 133987, 256, 21483, 256, 21489, 256, 
+    21510, 256, 21662, 256, 21560, 256, 21576, 256, 21608, 256, 21666, 256, 
+    21750, 256, 21776, 256, 21843, 256, 21859, 256, 21892, 256, 21892, 256, 
+    21913, 256, 21931, 256, 21939, 256, 21954, 256, 22294, 256, 22022, 256, 
+    22295, 256, 22097, 256, 22132, 256, 20999, 256, 22766, 256, 22478, 256, 
+    22516, 256, 22541, 256, 22411, 256, 22578, 256, 22577, 256, 22700, 256, 
+    136420, 256, 22770, 256, 22775, 256, 22790, 256, 22810, 256, 22818, 256, 
+    22882, 256, 136872, 256, 136938, 256, 23020, 256, 23067, 256, 23079, 256, 
+    23000, 256, 23142, 256, 14062, 256, 14076, 256, 23304, 256, 23358, 256, 
+    23358, 256, 137672, 256, 23491, 256, 23512, 256, 23527, 256, 23539, 256, 
+    138008, 256, 23551, 256, 23558, 256, 24403, 256, 23586, 256, 14209, 256, 
+    23648, 256, 23662, 256, 23744, 256, 23693, 256, 138724, 256, 23875, 256, 
+    138726, 256, 23918, 256, 23915, 256, 23932, 256, 24033, 256, 24034, 256, 
+    14383, 256, 24061, 256, 24104, 256, 24125, 256, 24169, 256, 14434, 256, 
+    139651, 256, 14460, 256, 24240, 256, 24243, 256, 24246, 256, 24266, 256, 
+    172946, 256, 24318, 256, 140081, 256, 140081, 256, 33281, 256, 24354, 
+    256, 24354, 256, 14535, 256, 144056, 256, 156122, 256, 24418, 256, 24427, 
+    256, 14563, 256, 24474, 256, 24525, 256, 24535, 256, 24569, 256, 24705, 
+    256, 14650, 256, 14620, 256, 24724, 256, 141012, 256, 24775, 256, 24904, 
+    256, 24908, 256, 24910, 256, 24908, 256, 24954, 256, 24974, 256, 25010, 
+    256, 24996, 256, 25007, 256, 25054, 256, 25074, 256, 25078, 256, 25104, 
+    256, 25115, 256, 25181, 256, 25265, 256, 25300, 256, 25424, 256, 142092, 
+    256, 25405, 256, 25340, 256, 25448, 256, 25475, 256, 25572, 256, 142321, 
+    256, 25634, 256, 25541, 256, 25513, 256, 14894, 256, 25705, 256, 25726, 
+    256, 25757, 256, 25719, 256, 14956, 256, 25935, 256, 25964, 256, 143370, 
+    256, 26083, 256, 26360, 256, 26185, 256, 15129, 256, 26257, 256, 15112, 
+    256, 15076, 256, 20882, 256, 20885, 256, 26368, 256, 26268, 256, 32941, 
+    256, 17369, 256, 26391, 256, 26395, 256, 26401, 256, 26462, 256, 26451, 
+    256, 144323, 256, 15177, 256, 26618, 256, 26501, 256, 26706, 256, 26757, 
+    256, 144493, 256, 26766, 256, 26655, 256, 26900, 256, 15261, 256, 26946, 
+    256, 27043, 256, 27114, 256, 27304, 256, 145059, 256, 27355, 256, 15384, 
+    256, 27425, 256, 145575, 256, 27476, 256, 15438, 256, 27506, 256, 27551, 
+    256, 27578, 256, 27579, 256, 146061, 256, 138507, 256, 146170, 256, 
+    27726, 256, 146620, 256, 27839, 256, 27853, 256, 27751, 256, 27926, 256, 
+    27966, 256, 28023, 256, 27969, 256, 28009, 256, 28024, 256, 28037, 256, 
+    146718, 256, 27956, 256, 28207, 256, 28270, 256, 15667, 256, 28363, 256, 
+    28359, 256, 147153, 256, 28153, 256, 28526, 256, 147294, 256, 147342, 
+    256, 28614, 256, 28729, 256, 28702, 256, 28699, 256, 15766, 256, 28746, 
+    256, 28797, 256, 28791, 256, 28845, 256, 132389, 256, 28997, 256, 148067, 
+    256, 29084, 256, 148395, 256, 29224, 256, 29237, 256, 29264, 256, 149000, 
+    256, 29312, 256, 29333, 256, 149301, 256, 149524, 256, 29562, 256, 29579, 
+    256, 16044, 256, 29605, 256, 16056, 256, 16056, 256, 29767, 256, 29788, 
+    256, 29809, 256, 29829, 256, 29898, 256, 16155, 256, 29988, 256, 150582, 
+    256, 30014, 256, 150674, 256, 30064, 256, 139679, 256, 30224, 256, 
+    151457, 256, 151480, 256, 151620, 256, 16380, 256, 16392, 256, 30452, 
+    256, 151795, 256, 151794, 256, 151833, 256, 151859, 256, 30494, 256, 
+    30495, 256, 30495, 256, 30538, 256, 16441, 256, 30603, 256, 16454, 256, 
+    16534, 256, 152605, 256, 30798, 256, 30860, 256, 30924, 256, 16611, 256, 
+    153126, 256, 31062, 256, 153242, 256, 153285, 256, 31119, 256, 31211, 
+    256, 16687, 256, 31296, 256, 31306, 256, 31311, 256, 153980, 256, 154279, 
+    256, 154279, 256, 31470, 256, 16898, 256, 154539, 256, 31686, 256, 31689, 
+    256, 16935, 256, 154752, 256, 31954, 256, 17056, 256, 31976, 256, 31971, 
+    256, 32000, 256, 155526, 256, 32099, 256, 17153, 256, 32199, 256, 32258, 
+    256, 32325, 256, 17204, 256, 156200, 256, 156231, 256, 17241, 256, 
+    156377, 256, 32634, 256, 156478, 256, 32661, 256, 32762, 256, 32773, 256, 
+    156890, 256, 156963, 256, 32864, 256, 157096, 256, 32880, 256, 144223, 
+    256, 17365, 256, 32946, 256, 33027, 256, 17419, 256, 33086, 256, 23221, 
+    256, 157607, 256, 157621, 256, 144275, 256, 144284, 256, 33281, 256, 
+    33284, 256, 36766, 256, 17515, 256, 33425, 256, 33419, 256, 33437, 256, 
+    21171, 256, 33457, 256, 33459, 256, 33469, 256, 33510, 256, 158524, 256, 
+    33509, 256, 33565, 256, 33635, 256, 33709, 256, 33571, 256, 33725, 256, 
+    33767, 256, 33879, 256, 33619, 256, 33738, 256, 33740, 256, 33756, 256, 
+    158774, 256, 159083, 256, 158933, 256, 17707, 256, 34033, 256, 34035, 
+    256, 34070, 256, 160714, 256, 34148, 256, 159532, 256, 17757, 256, 17761, 
+    256, 159665, 256, 159954, 256, 17771, 256, 34384, 256, 34396, 256, 34407, 
+    256, 34409, 256, 34473, 256, 34440, 256, 34574, 256, 34530, 256, 34681, 
+    256, 34600, 256, 34667, 256, 34694, 256, 17879, 256, 34785, 256, 34817, 
+    256, 17913, 256, 34912, 256, 34915, 256, 161383, 256, 35031, 256, 35038, 
+    256, 17973, 256, 35066, 256, 13499, 256, 161966, 256, 162150, 256, 18110, 
+    256, 18119, 256, 35488, 256, 35565, 256, 35722, 256, 35925, 256, 162984, 
+    256, 36011, 256, 36033, 256, 36123, 256, 36215, 256, 163631, 256, 133124, 
+    256, 36299, 256, 36284, 256, 36336, 256, 133342, 256, 36564, 256, 36664, 
+    256, 165330, 256, 165357, 256, 37012, 256, 37105, 256, 37137, 256, 
+    165678, 256, 37147, 256, 37432, 256, 37591, 256, 37592, 256, 37500, 256, 
+    37881, 256, 37909, 256, 166906, 256, 38283, 256, 18837, 256, 38327, 256, 
+    167287, 256, 18918, 256, 38595, 256, 23986, 256, 38691, 256, 168261, 256, 
+    168474, 256, 19054, 256, 19062, 256, 38880, 256, 168970, 256, 19122, 256, 
+    169110, 256, 38923, 256, 38923, 256, 38953, 256, 169398, 256, 39138, 256, 
+    19251, 256, 39209, 256, 39335, 256, 39362, 256, 39422, 256, 19406, 256, 
+    170800, 256, 39698, 256, 40000, 256, 40189, 256, 19662, 256, 19693, 256, 
+    40295, 256, 172238, 256, 19704, 256, 172293, 256, 172558, 256, 172689, 
+    256, 40635, 256, 19798, 256, 40697, 256, 40702, 256, 40709, 256, 40719, 
+    256, 40726, 256, 40763, 256, 173568, 
 };
 
 /* index tables for the decomposition data */
-#define DECOMP_SHIFT 8
+#define DECOMP_SHIFT 7
 static unsigned char decomp_index1[] = {
-    0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 16, 7, 17, 18, 19, 20, 21, 22, 23, 24, 7, 7, 7, 7, 7, 25, 
-    7, 26, 27, 28, 29, 30, 31, 32, 33, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 34, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 35, 36, 37, 38, 39, 40, 
-    41, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 42, 43, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 44, 7, 7, 45, 
-    46, 47, 48, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 49, 7, 7, 50, 51, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 52, 53, 54, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
-    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
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+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
 };
 
 static unsigned short decomp_index2[] = {
@@ -3978,38 +4453,22 @@ static unsigned short decomp_index2[] = {
     0, 0, 0, 0, 1066, 1069, 1072, 1075, 0, 0, 1078, 1081, 0, 0, 1084, 1087, 
     1090, 1093, 1096, 1099, 0, 0, 1102, 1105, 1108, 1111, 1114, 1117, 0, 0, 
     1120, 1123, 1126, 1129, 1132, 1135, 1138, 1141, 1144, 1147, 1150, 1153, 
-    0, 0, 1156, 1159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 1162, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1165, 1168, 1171, 1174, 
-    1177, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 1180, 1183, 1186, 1189, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1192, 0, 1195, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1198, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 1156, 1159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1162, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 1165, 1168, 1171, 1174, 1177, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    1180, 1183, 1186, 1189, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 1192, 0, 1195, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 1198, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1201, 0, 0, 0, 
@@ -4031,191 +4490,175 @@ static unsigned short decomp_index2[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 1267, 0, 0, 1270, 1273, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    1276, 1279, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1282, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1285, 1288, 1291, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 1267, 0, 0, 1270, 1273, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 1276, 1279, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1282, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 1294, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 1285, 1288, 1291, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 1297, 0, 0, 0, 0, 0, 0, 1300, 1303, 0, 1306, 1309, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1294, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1297, 0, 0, 0, 0, 0, 0, 1300, 1303, 0, 
-    1306, 1309, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 1312, 1315, 1318, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1312, 1315, 1318, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 1321, 0, 1324, 1327, 1330, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 1333, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1321, 0, 1324, 1327, 1330, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1333, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1336, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 1339, 1342, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 1345, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1347, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 1350, 0, 0, 0, 0, 1353, 0, 0, 0, 0, 1356, 0, 0, 0, 0, 1359, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1362, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1365, 0, 
+    1368, 1371, 1374, 1377, 1380, 0, 0, 0, 0, 0, 0, 0, 1383, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1386, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    1389, 0, 0, 0, 0, 1392, 0, 0, 0, 0, 1395, 0, 0, 0, 0, 1398, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 1401, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1336, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1339, 1342, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1345, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    1347, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1350, 0, 0, 0, 0, 1353, 0, 0, 0, 0, 
-    1356, 0, 0, 0, 0, 1359, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1362, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 1365, 0, 1368, 1371, 1374, 1377, 1380, 0, 0, 0, 0, 
-    0, 0, 0, 1383, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1386, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 1389, 0, 0, 0, 0, 1392, 0, 0, 0, 0, 1395, 0, 
-    0, 0, 0, 1398, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1401, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1404, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 1404, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 1407, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1409, 0, 1412, 0, 
-    1415, 0, 1418, 0, 1421, 0, 0, 0, 1424, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 1427, 0, 1430, 0, 0, 1433, 1436, 0, 1439, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1442, 1444, 1446, 0, 1448, 1450, 1452, 
-    1454, 1456, 1458, 1460, 1462, 1464, 1466, 1468, 0, 1470, 1472, 1474, 
-    1476, 1478, 1480, 1482, 1484, 1486, 1488, 1490, 1492, 1494, 1496, 1498, 
-    1500, 1502, 1504, 0, 1506, 1508, 1510, 1512, 1514, 1516, 1518, 1520, 
-    1522, 1524, 1526, 1528, 1530, 1532, 1534, 1536, 1538, 1540, 1542, 1544, 
-    1546, 1548, 1550, 1552, 1554, 1556, 1558, 1560, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 1562, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1564, 1566, 1568, 
-    1570, 1572, 1574, 1576, 1578, 1580, 1582, 1584, 1586, 1588, 1590, 1592, 
-    1594, 1596, 1598, 1600, 1602, 1604, 1606, 1608, 1610, 1612, 1614, 1616, 
-    1618, 1620, 1622, 1624, 1626, 1628, 1630, 1632, 1634, 1636, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1638, 1641, 1644, 1647, 1650, 1653, 
-    1656, 1659, 1662, 1665, 1668, 1671, 1674, 1677, 1680, 1683, 1686, 1689, 
-    1692, 1695, 1698, 1701, 1704, 1707, 1710, 1713, 1716, 1719, 1722, 1725, 
-    1728, 1731, 1734, 1737, 1740, 1743, 1746, 1749, 1752, 1755, 1758, 1761, 
-    1764, 1767, 1770, 1773, 1776, 1779, 1782, 1785, 1788, 1791, 1794, 1797, 
-    1800, 1803, 1806, 1809, 1812, 1815, 1818, 1821, 1824, 1827, 1830, 1833, 
-    1836, 1839, 1842, 1845, 1848, 1851, 1854, 1857, 1860, 1863, 1866, 1869, 
-    1872, 1875, 1878, 1881, 1884, 1887, 1890, 1893, 1896, 1899, 1902, 1905, 
-    1908, 1911, 1914, 1917, 1920, 1923, 1926, 1929, 1932, 1935, 1938, 1941, 
-    1944, 1947, 1950, 1953, 1956, 1959, 1962, 1965, 1968, 1971, 1974, 1977, 
-    1980, 1983, 1986, 1989, 1992, 1995, 1998, 2001, 2004, 2007, 2010, 2013, 
-    2016, 2019, 2022, 2025, 2028, 2031, 2034, 2037, 2040, 2043, 2046, 2049, 
-    2052, 2055, 2058, 2061, 2064, 2067, 2070, 2073, 2076, 2079, 2082, 2085, 
-    2088, 2091, 2094, 2097, 2100, 2103, 0, 0, 0, 0, 2106, 2109, 2112, 2115, 
-    2118, 2121, 2124, 2127, 2130, 2133, 2136, 2139, 2142, 2145, 2148, 2151, 
-    2154, 2157, 2160, 2163, 2166, 2169, 2172, 2175, 2178, 2181, 2184, 2187, 
-    2190, 2193, 2196, 2199, 2202, 2205, 2208, 2211, 2214, 2217, 2220, 2223, 
-    2226, 2229, 2232, 2235, 2238, 2241, 2244, 2247, 2250, 2253, 2256, 2259, 
-    2262, 2265, 2268, 2271, 2274, 2277, 2280, 2283, 2286, 2289, 2292, 2295, 
-    2298, 2301, 2304, 2307, 2310, 2313, 2316, 2319, 2322, 2325, 2328, 2331, 
-    2334, 2337, 2340, 2343, 2346, 2349, 2352, 2355, 2358, 2361, 2364, 2367, 
-    2370, 2373, 0, 0, 0, 0, 0, 0, 2376, 2379, 2382, 2385, 2388, 2391, 2394, 
-    2397, 2400, 2403, 2406, 2409, 2412, 2415, 2418, 2421, 2424, 2427, 2430, 
-    2433, 2436, 2439, 0, 0, 2442, 2445, 2448, 2451, 2454, 2457, 0, 0, 2460, 
-    2463, 2466, 2469, 2472, 2475, 2478, 2481, 2484, 2487, 2490, 2493, 2496, 
-    2499, 2502, 2505, 2508, 2511, 2514, 2517, 2520, 2523, 2526, 2529, 2532, 
-    2535, 2538, 2541, 2544, 2547, 2550, 2553, 2556, 2559, 2562, 2565, 2568, 
-    2571, 0, 0, 2574, 2577, 2580, 2583, 2586, 2589, 0, 0, 2592, 2595, 2598, 
-    2601, 2604, 2607, 2610, 2613, 0, 2616, 0, 2619, 0, 2622, 0, 2625, 2628, 
-    2631, 2634, 2637, 2640, 2643, 2646, 2649, 2652, 2655, 2658, 2661, 2664, 
-    2667, 2670, 2673, 2676, 2679, 2681, 2684, 2686, 2689, 2691, 2694, 2696, 
-    2699, 2701, 2704, 2706, 2709, 0, 0, 2711, 2714, 2717, 2720, 2723, 2726, 
-    2729, 2732, 2735, 2738, 2741, 2744, 2747, 2750, 2753, 2756, 2759, 2762, 
-    2765, 2768, 2771, 2774, 2777, 2780, 2783, 2786, 2789, 2792, 2795, 2798, 
-    2801, 2804, 2807, 2810, 2813, 2816, 2819, 2822, 2825, 2828, 2831, 2834, 
-    2837, 2840, 2843, 2846, 2849, 2852, 2855, 2858, 2861, 2864, 2867, 0, 
-    2870, 2873, 2876, 2879, 2882, 2885, 2887, 2890, 2893, 2895, 2898, 2901, 
-    2904, 2907, 2910, 0, 2913, 2916, 2919, 2922, 2924, 2927, 2929, 2932, 
-    2935, 2938, 2941, 2944, 2947, 2950, 0, 0, 2952, 2955, 2958, 2961, 2964, 
-    2967, 0, 2969, 2972, 2975, 2978, 2981, 2984, 2987, 2989, 2992, 2995, 
-    2998, 3001, 3004, 3007, 3010, 3012, 3015, 3018, 3020, 0, 0, 3022, 3025, 
-    3028, 0, 3031, 3034, 3037, 3040, 3042, 3045, 3047, 3050, 3052, 0, 3055, 
-    3057, 3059, 3061, 3063, 3065, 3067, 3069, 3071, 3073, 3075, 0, 0, 0, 0, 
-    0, 0, 3077, 0, 0, 0, 0, 0, 3079, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    3082, 3084, 3087, 0, 0, 0, 0, 0, 0, 0, 0, 3091, 0, 0, 0, 3093, 3096, 0, 
-    3100, 3103, 0, 0, 0, 0, 3107, 0, 3110, 0, 0, 0, 0, 0, 0, 0, 0, 3113, 
-    3116, 3119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3122, 0, 0, 0, 0, 0, 
-    0, 0, 3127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3129, 3131, 
-    0, 0, 3133, 3135, 3137, 3139, 3141, 3143, 3145, 3147, 3149, 3151, 3153, 
-    3155, 3157, 3159, 3161, 3163, 3165, 3167, 3169, 3171, 3173, 3175, 3177, 
-    3179, 3181, 3183, 3185, 0, 3187, 3189, 3191, 3193, 3195, 3197, 3199, 
-    3201, 3203, 3205, 3207, 3209, 3211, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    3213, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3216, 3220, 3224, 
-    3226, 0, 3229, 3233, 3237, 0, 3239, 3242, 3244, 3246, 3248, 3250, 3252, 
-    3254, 3256, 3258, 3260, 0, 3262, 3264, 0, 0, 3267, 3269, 3271, 3273, 
-    3275, 0, 0, 3277, 3280, 3284, 0, 3287, 0, 3289, 0, 3291, 0, 3293, 3295, 
-    3297, 3299, 0, 3301, 3303, 3305, 0, 3307, 3309, 3311, 3313, 3315, 3317, 
-    3319, 0, 3321, 3325, 3327, 3329, 3331, 3333, 0, 0, 0, 0, 3335, 3337, 
-    3339, 3341, 3343, 0, 0, 0, 0, 0, 0, 3345, 3349, 3353, 3358, 3362, 3366, 
-    3370, 3374, 3378, 3382, 3386, 3390, 3394, 3398, 3402, 3406, 3409, 3411, 
-    3414, 3418, 3421, 3423, 3426, 3430, 3435, 3438, 3440, 3443, 3447, 3449, 
-    3451, 3453, 3455, 3457, 3460, 3464, 3467, 3469, 3472, 3476, 3481, 3484, 
-    3486, 3489, 3493, 3495, 3497, 3499, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3501, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3505, 3508, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3511, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3514, 
-    3517, 3520, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 3523, 0, 0, 0, 0, 3526, 0, 0, 3529, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3532, 0, 3535, 
-    0, 0, 0, 0, 0, 3538, 3541, 0, 3545, 3548, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 3552, 0, 0, 3555, 0, 0, 3558, 0, 3561, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3564, 0, 3567, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 3570, 3573, 3576, 3579, 3582, 0, 0, 3585, 3588, 
-    0, 0, 3591, 3594, 0, 0, 0, 0, 0, 0, 3597, 3600, 0, 0, 3603, 3606, 0, 0, 
-    3609, 3612, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3615, 3618, 3621, 3624, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3627, 
-    3630, 3633, 3636, 0, 0, 0, 0, 0, 0, 3639, 3642, 3645, 3648, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 3651, 3653, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1407, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 1409, 0, 1412, 0, 1415, 0, 1418, 0, 1421, 0, 0, 
+    0, 1424, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1427, 0, 1430, 
+    0, 0, 1433, 1436, 0, 1439, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1442, 1444, 1446, 0, 
+    1448, 1450, 1452, 1454, 1456, 1458, 1460, 1462, 1464, 1466, 1468, 0, 
+    1470, 1472, 1474, 1476, 1478, 1480, 1482, 1484, 1486, 1488, 1490, 1492, 
+    1494, 1496, 1498, 1500, 1502, 1504, 0, 1506, 1508, 1510, 1512, 1514, 
+    1516, 1518, 1520, 1522, 1524, 1526, 1528, 1530, 1532, 1534, 1536, 1538, 
+    1540, 1542, 1544, 1546, 1548, 1550, 1552, 1554, 1556, 1558, 1560, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1562, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    1564, 1566, 1568, 1570, 1572, 1574, 1576, 1578, 1580, 1582, 1584, 1586, 
+    1588, 1590, 1592, 1594, 1596, 1598, 1600, 1602, 1604, 1606, 1608, 1610, 
+    1612, 1614, 1616, 1618, 1620, 1622, 1624, 1626, 1628, 1630, 1632, 1634, 
+    1636, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1638, 1641, 1644, 
+    1647, 1650, 1653, 1656, 1659, 1662, 1665, 1668, 1671, 1674, 1677, 1680, 
+    1683, 1686, 1689, 1692, 1695, 1698, 1701, 1704, 1707, 1710, 1713, 1716, 
+    1719, 1722, 1725, 1728, 1731, 1734, 1737, 1740, 1743, 1746, 1749, 1752, 
+    1755, 1758, 1761, 1764, 1767, 1770, 1773, 1776, 1779, 1782, 1785, 1788, 
+    1791, 1794, 1797, 1800, 1803, 1806, 1809, 1812, 1815, 1818, 1821, 1824, 
+    1827, 1830, 1833, 1836, 1839, 1842, 1845, 1848, 1851, 1854, 1857, 1860, 
+    1863, 1866, 1869, 1872, 1875, 1878, 1881, 1884, 1887, 1890, 1893, 1896, 
+    1899, 1902, 1905, 1908, 1911, 1914, 1917, 1920, 1923, 1926, 1929, 1932, 
+    1935, 1938, 1941, 1944, 1947, 1950, 1953, 1956, 1959, 1962, 1965, 1968, 
+    1971, 1974, 1977, 1980, 1983, 1986, 1989, 1992, 1995, 1998, 2001, 2004, 
+    2007, 2010, 2013, 2016, 2019, 2022, 2025, 2028, 2031, 2034, 2037, 2040, 
+    2043, 2046, 2049, 2052, 2055, 2058, 2061, 2064, 2067, 2070, 2073, 2076, 
+    2079, 2082, 2085, 2088, 2091, 2094, 2097, 2100, 2103, 0, 0, 0, 0, 2106, 
+    2109, 2112, 2115, 2118, 2121, 2124, 2127, 2130, 2133, 2136, 2139, 2142, 
+    2145, 2148, 2151, 2154, 2157, 2160, 2163, 2166, 2169, 2172, 2175, 2178, 
+    2181, 2184, 2187, 2190, 2193, 2196, 2199, 2202, 2205, 2208, 2211, 2214, 
+    2217, 2220, 2223, 2226, 2229, 2232, 2235, 2238, 2241, 2244, 2247, 2250, 
+    2253, 2256, 2259, 2262, 2265, 2268, 2271, 2274, 2277, 2280, 2283, 2286, 
+    2289, 2292, 2295, 2298, 2301, 2304, 2307, 2310, 2313, 2316, 2319, 2322, 
+    2325, 2328, 2331, 2334, 2337, 2340, 2343, 2346, 2349, 2352, 2355, 2358, 
+    2361, 2364, 2367, 2370, 2373, 0, 0, 0, 0, 0, 0, 2376, 2379, 2382, 2385, 
+    2388, 2391, 2394, 2397, 2400, 2403, 2406, 2409, 2412, 2415, 2418, 2421, 
+    2424, 2427, 2430, 2433, 2436, 2439, 0, 0, 2442, 2445, 2448, 2451, 2454, 
+    2457, 0, 0, 2460, 2463, 2466, 2469, 2472, 2475, 2478, 2481, 2484, 2487, 
+    2490, 2493, 2496, 2499, 2502, 2505, 2508, 2511, 2514, 2517, 2520, 2523, 
+    2526, 2529, 2532, 2535, 2538, 2541, 2544, 2547, 2550, 2553, 2556, 2559, 
+    2562, 2565, 2568, 2571, 0, 0, 2574, 2577, 2580, 2583, 2586, 2589, 0, 0, 
+    2592, 2595, 2598, 2601, 2604, 2607, 2610, 2613, 0, 2616, 0, 2619, 0, 
+    2622, 0, 2625, 2628, 2631, 2634, 2637, 2640, 2643, 2646, 2649, 2652, 
+    2655, 2658, 2661, 2664, 2667, 2670, 2673, 2676, 2679, 2681, 2684, 2686, 
+    2689, 2691, 2694, 2696, 2699, 2701, 2704, 2706, 2709, 0, 0, 2711, 2714, 
+    2717, 2720, 2723, 2726, 2729, 2732, 2735, 2738, 2741, 2744, 2747, 2750, 
+    2753, 2756, 2759, 2762, 2765, 2768, 2771, 2774, 2777, 2780, 2783, 2786, 
+    2789, 2792, 2795, 2798, 2801, 2804, 2807, 2810, 2813, 2816, 2819, 2822, 
+    2825, 2828, 2831, 2834, 2837, 2840, 2843, 2846, 2849, 2852, 2855, 2858, 
+    2861, 2864, 2867, 0, 2870, 2873, 2876, 2879, 2882, 2885, 2887, 2890, 
+    2893, 2895, 2898, 2901, 2904, 2907, 2910, 0, 2913, 2916, 2919, 2922, 
+    2924, 2927, 2929, 2932, 2935, 2938, 2941, 2944, 2947, 2950, 0, 0, 2952, 
+    2955, 2958, 2961, 2964, 2967, 0, 2969, 2972, 2975, 2978, 2981, 2984, 
+    2987, 2989, 2992, 2995, 2998, 3001, 3004, 3007, 3010, 3012, 3015, 3018, 
+    3020, 0, 0, 3022, 3025, 3028, 0, 3031, 3034, 3037, 3040, 3042, 3045, 
+    3047, 3050, 3052, 0, 3055, 3057, 3059, 3061, 3063, 3065, 3067, 3069, 
+    3071, 3073, 3075, 0, 0, 0, 0, 0, 0, 3077, 0, 0, 0, 0, 0, 3079, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 3082, 3084, 3087, 0, 0, 0, 0, 0, 0, 0, 0, 
+    3091, 0, 0, 0, 3093, 3096, 0, 3100, 3103, 0, 0, 0, 0, 3107, 0, 3110, 0, 
+    0, 0, 0, 0, 0, 0, 0, 3113, 3116, 3119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 3122, 0, 0, 0, 0, 0, 0, 0, 3127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 3129, 3131, 0, 0, 3133, 3135, 3137, 3139, 3141, 3143, 
+    3145, 3147, 3149, 3151, 3153, 3155, 3157, 3159, 3161, 3163, 3165, 3167, 
+    3169, 3171, 3173, 3175, 3177, 3179, 3181, 3183, 3185, 0, 3187, 3189, 
+    3191, 3193, 3195, 3197, 3199, 3201, 3203, 3205, 3207, 3209, 3211, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 3213, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 3216, 3220, 3224, 3226, 0, 3229, 3233, 3237, 0, 3239, 3242, 3244, 
+    3246, 3248, 3250, 3252, 3254, 3256, 3258, 3260, 0, 3262, 3264, 0, 0, 
+    3267, 3269, 3271, 3273, 3275, 0, 0, 3277, 3280, 3284, 0, 3287, 0, 3289, 
+    0, 3291, 0, 3293, 3295, 3297, 3299, 0, 3301, 3303, 3305, 0, 3307, 3309, 
+    3311, 3313, 3315, 3317, 3319, 0, 3321, 3325, 3327, 3329, 3331, 3333, 0, 
+    0, 0, 0, 3335, 3337, 3339, 3341, 3343, 0, 0, 0, 0, 0, 0, 3345, 3349, 
+    3353, 3358, 3362, 3366, 3370, 3374, 3378, 3382, 3386, 3390, 3394, 3398, 
+    3402, 3406, 3409, 3411, 3414, 3418, 3421, 3423, 3426, 3430, 3435, 3438, 
+    3440, 3443, 3447, 3449, 3451, 3453, 3455, 3457, 3460, 3464, 3467, 3469, 
+    3472, 3476, 3481, 3484, 3486, 3489, 3493, 3495, 3497, 3499, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 3501, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    3505, 3508, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3511, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 3514, 3517, 3520, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3523, 0, 0, 0, 0, 3526, 
+    0, 0, 3529, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 3532, 0, 3535, 0, 0, 0, 0, 0, 3538, 3541, 0, 3545, 3548, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3552, 0, 0, 3555, 0, 0, 3558, 
+    0, 3561, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 3564, 0, 3567, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3570, 3573, 3576, 3579, 
+    3582, 0, 0, 3585, 3588, 0, 0, 3591, 3594, 0, 0, 0, 0, 0, 0, 3597, 3600, 
+    0, 0, 3603, 3606, 0, 0, 3609, 3612, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3615, 
+    3618, 3621, 3624, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 3627, 3630, 3633, 3636, 0, 0, 0, 0, 0, 0, 3639, 3642, 
+    3645, 3648, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3651, 3653, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -4256,23 +4699,7 @@ static unsigned short decomp_index2[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 4101, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4101, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4103, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -4370,785 +4797,822 @@ static unsigned short decomp_index2[] = {
     6530, 6533, 6536, 6539, 6542, 6545, 6548, 6551, 6554, 6558, 6562, 6566, 
     6570, 6574, 6578, 6582, 6586, 6590, 6594, 6598, 6602, 6606, 6610, 6614, 
     6618, 6622, 6626, 6630, 6634, 6638, 6642, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 6646, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    6648, 6650, 0, 0, 0, 0, 0, 0, 6652, 6654, 6656, 6658, 6660, 6662, 6664, 
-    6666, 6668, 6670, 6672, 6674, 6676, 6678, 6680, 6682, 6684, 6686, 6688, 
-    6690, 6692, 6694, 6696, 6698, 6700, 6702, 6704, 6706, 6708, 6710, 6712, 
-    6714, 6716, 6718, 6720, 6722, 6724, 6726, 6728, 6730, 6732, 6734, 6736, 
-    6738, 6740, 6742, 6744, 6746, 6748, 6750, 6752, 6754, 6756, 6758, 6760, 
-    6762, 6764, 6766, 6768, 6770, 6772, 6774, 6776, 6778, 6780, 6782, 6784, 
-    6786, 6788, 6790, 6792, 6794, 6796, 6798, 6800, 6802, 6804, 6806, 6808, 
-    6810, 6812, 6814, 6816, 6818, 6820, 6822, 6824, 6826, 6828, 6830, 6832, 
-    6834, 6836, 6838, 6840, 6842, 6844, 6846, 6848, 6850, 6852, 6854, 6856, 
-    6858, 6860, 6862, 6864, 6866, 6868, 6870, 6872, 6874, 6876, 6878, 6880, 
-    6882, 6884, 6886, 6888, 6890, 6892, 6894, 6896, 6898, 6900, 6902, 6904, 
-    6906, 6908, 6910, 6912, 6914, 6916, 6918, 6920, 6922, 6924, 6926, 6928, 
-    6930, 6932, 6934, 6936, 6938, 6940, 6942, 6944, 6946, 6948, 6950, 6952, 
-    6954, 6956, 6958, 6960, 6962, 6964, 6966, 6968, 6970, 6972, 6974, 6976, 
-    6978, 6980, 6982, 6984, 6986, 6988, 6990, 6992, 6994, 6996, 6998, 7000, 
-    7002, 7004, 7006, 7008, 7010, 7012, 7014, 7016, 7018, 7020, 7022, 7024, 
-    7026, 7028, 7030, 7032, 7034, 7036, 7038, 7040, 7042, 7044, 7046, 7048, 
-    7050, 7052, 7054, 7056, 7058, 7060, 7062, 7064, 7066, 7068, 7070, 7072, 
-    7074, 7076, 7078, 7080, 7082, 7084, 7086, 7088, 7090, 7092, 7094, 7096, 
-    7098, 7100, 7102, 7104, 7106, 7108, 7110, 7112, 7114, 7116, 7118, 7120, 
-    7122, 7124, 7126, 7128, 7130, 7132, 7134, 7136, 7138, 7140, 7142, 7144, 
-    7146, 7148, 7150, 7152, 7154, 7156, 7158, 7160, 7162, 7164, 7166, 7168, 
-    7170, 7172, 7174, 7176, 7178, 7180, 7182, 7184, 7186, 7188, 7190, 0, 0, 
-    7192, 0, 7194, 0, 0, 7196, 7198, 7200, 7202, 7204, 7206, 7208, 7210, 
-    7212, 7214, 0, 7216, 0, 7218, 0, 0, 7220, 7222, 0, 0, 0, 7224, 7226, 
-    7228, 7230, 7232, 7234, 7236, 7238, 7240, 7242, 7244, 7246, 7248, 7250, 
-    7252, 7254, 7256, 7258, 7260, 7262, 7264, 7266, 7268, 7270, 7272, 7274, 
-    7276, 7278, 7280, 7282, 7284, 7286, 7288, 7290, 7292, 7294, 7296, 7298, 
-    7300, 7302, 7304, 7306, 7308, 7310, 7312, 7314, 7316, 7318, 7320, 7322, 
-    7324, 7326, 7328, 7330, 7332, 7334, 7336, 7338, 7340, 7342, 7344, 7346, 
-    7348, 7350, 7352, 7354, 7356, 7358, 0, 0, 7360, 7362, 7364, 7366, 7368, 
-    7370, 7372, 7374, 7376, 7378, 7380, 7382, 7384, 7386, 7388, 7390, 7392, 
-    7394, 7396, 7398, 7400, 7402, 7404, 7406, 7408, 7410, 7412, 7414, 7416, 
-    7418, 7420, 7422, 7424, 7426, 7428, 7430, 7432, 7434, 7436, 7438, 7440, 
-    7442, 7444, 7446, 7448, 7450, 7452, 7454, 7456, 7458, 7460, 7462, 7464, 
-    7466, 7468, 7470, 7472, 7474, 7476, 7478, 7480, 7482, 7484, 7486, 7488, 
-    7490, 7492, 7494, 7496, 7498, 7500, 7502, 7504, 7506, 7508, 7510, 7512, 
-    7514, 7516, 7518, 7520, 7522, 7524, 7526, 7528, 7530, 7532, 7534, 7536, 
-    7538, 7540, 7542, 7544, 7546, 7548, 7550, 7552, 7554, 7556, 7558, 7560, 
-    7562, 7564, 7566, 7568, 7570, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    7572, 7575, 7578, 7581, 7585, 7589, 7592, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 7595, 7598, 7601, 7604, 7607, 0, 0, 0, 0, 0, 7610, 0, 7613, 7616, 
-    7618, 7620, 7622, 7624, 7626, 7628, 7630, 7632, 7634, 7636, 7639, 7642, 
-    7645, 7648, 7651, 7654, 7657, 7660, 7663, 7666, 7669, 7672, 0, 7675, 
-    7678, 7681, 7684, 7687, 0, 7690, 0, 7693, 7696, 0, 7699, 7702, 0, 7705, 
-    7708, 7711, 7714, 7717, 7720, 7723, 7726, 7729, 7732, 7735, 7737, 7739, 
-    7741, 7743, 7745, 7747, 7749, 7751, 7753, 7755, 7757, 7759, 7761, 7763, 
-    7765, 7767, 7769, 7771, 7773, 7775, 7777, 7779, 7781, 7783, 7785, 7787, 
-    7789, 7791, 7793, 7795, 7797, 7799, 7801, 7803, 7805, 7807, 7809, 7811, 
-    7813, 7815, 7817, 7819, 7821, 7823, 7825, 7827, 7829, 7831, 7833, 7835, 
-    7837, 7839, 7841, 7843, 7845, 7847, 7849, 7851, 7853, 7855, 7857, 7859, 
-    7861, 7863, 7865, 7867, 7869, 7871, 7873, 7875, 7877, 7879, 7881, 7883, 
-    7885, 7887, 7889, 7891, 7893, 7895, 7897, 7899, 7901, 7903, 7905, 7907, 
-    7909, 7911, 7913, 7915, 7917, 7919, 7921, 7923, 7925, 7927, 7929, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 7931, 7933, 7935, 7937, 7939, 7941, 7943, 7945, 
-    7947, 7949, 7951, 7953, 7955, 7957, 7959, 7961, 7963, 7965, 7967, 7969, 
-    7971, 7973, 7975, 7977, 7980, 7983, 7986, 7989, 7992, 7995, 7998, 8001, 
-    8004, 8007, 8010, 8013, 8016, 8019, 8022, 8025, 8028, 8031, 8033, 8035, 
-    8037, 8039, 8042, 8045, 8048, 8051, 8054, 8057, 8060, 8063, 8066, 8069, 
-    8072, 8075, 8078, 8081, 8084, 8087, 8090, 8093, 8096, 8099, 8102, 8105, 
-    8108, 8111, 8114, 8117, 8120, 8123, 8126, 8129, 8132, 8135, 8138, 8141, 
-    8144, 8147, 8150, 8153, 8156, 8159, 8162, 8165, 8168, 8171, 8174, 8177, 
-    8180, 8183, 8186, 8189, 8192, 8195, 8198, 8201, 8204, 8207, 8210, 8213, 
-    8216, 8219, 8222, 8225, 8228, 8231, 8234, 8237, 8240, 8243, 8246, 8249, 
-    8252, 8255, 8258, 8261, 8264, 8267, 8270, 8273, 8276, 8279, 8282, 8285, 
-    8288, 8291, 8294, 8297, 8300, 8303, 8306, 8309, 8312, 8315, 8318, 8321, 
-    8325, 8329, 8333, 8337, 8341, 8345, 8348, 8351, 8354, 8357, 8360, 8363, 
-    8366, 8369, 8372, 8375, 8378, 8381, 8384, 8387, 8390, 8393, 8396, 8399, 
-    8402, 8405, 8408, 8411, 8414, 8417, 8420, 8423, 8426, 8429, 8432, 8435, 
-    8438, 8441, 8444, 8447, 8450, 8453, 8456, 8459, 8462, 8465, 8468, 8471, 
-    8474, 8477, 8480, 8483, 8486, 8489, 8492, 8495, 8498, 8501, 8504, 8507, 
-    8510, 8513, 8516, 8519, 8522, 8525, 8528, 8531, 8534, 8537, 8540, 8543, 
-    8546, 8549, 8552, 8555, 8558, 8561, 8564, 8567, 8570, 8573, 8576, 8579, 
-    8582, 8585, 8588, 8591, 8594, 8597, 8600, 8603, 8606, 8609, 8612, 8615, 
-    8618, 8621, 8624, 8627, 8630, 8633, 8636, 8639, 8642, 8645, 8648, 8651, 
-    8654, 8657, 8660, 8663, 8666, 8669, 8672, 8675, 8678, 8681, 8684, 8687, 
-    8690, 8693, 8696, 8699, 8702, 8705, 8708, 8711, 8714, 8717, 8720, 8723, 
-    8726, 8729, 8732, 8735, 8738, 8741, 8744, 8747, 8750, 8753, 8756, 8759, 
-    8762, 8765, 8768, 8771, 8775, 8779, 8783, 8786, 8789, 8792, 8795, 8798, 
-    8801, 8804, 8807, 8810, 8813, 8816, 8819, 8822, 8825, 8828, 8831, 8834, 
-    8837, 8840, 8843, 8846, 8849, 8852, 8855, 8858, 8861, 8864, 8867, 8870, 
-    8873, 8876, 8879, 8882, 8885, 8888, 8891, 8894, 8897, 8900, 8903, 8906, 
-    8909, 8912, 8915, 8918, 8921, 8924, 8927, 8930, 8933, 8936, 8939, 8942, 
-    8945, 8948, 8951, 8954, 8957, 8960, 8963, 8966, 8969, 8972, 8975, 8978, 
-    8981, 8984, 8987, 8990, 8993, 8996, 8999, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 9002, 9006, 9010, 9014, 9018, 9022, 9026, 9030, 
-    9034, 9038, 9042, 9046, 9050, 9054, 9058, 9062, 9066, 9070, 9074, 9078, 
-    9082, 9086, 9090, 9094, 9098, 9102, 9106, 9110, 9114, 9118, 9122, 9126, 
-    9130, 9134, 9138, 9142, 9146, 9150, 9154, 9158, 9162, 9166, 9170, 9174, 
-    9178, 9182, 9186, 9190, 9194, 9198, 9202, 9206, 9210, 9214, 9218, 9222, 
-    9226, 9230, 9234, 9238, 9242, 9246, 9250, 9254, 0, 0, 9258, 9262, 9266, 
-    9270, 9274, 9278, 9282, 9286, 9290, 9294, 9298, 9302, 9306, 9310, 9314, 
-    9318, 9322, 9326, 9330, 9334, 9338, 9342, 9346, 9350, 9354, 9358, 9362, 
-    9366, 9370, 9374, 9378, 9382, 9386, 9390, 9394, 9398, 9402, 9406, 9410, 
-    9414, 9418, 9422, 9426, 9430, 9434, 9438, 9442, 9446, 9450, 9454, 9458, 
-    9462, 9466, 9470, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9474, 
-    9478, 9482, 9487, 9492, 9497, 9502, 9507, 9512, 9517, 9521, 9540, 9549, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9554, 9556, 
-    9558, 9560, 9562, 9564, 9566, 9568, 9570, 9572, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9574, 9576, 9578, 9580, 9582, 
-    9584, 9586, 9588, 9590, 9592, 9594, 9596, 9598, 9600, 9602, 9604, 9606, 
-    9608, 9610, 9612, 9614, 0, 0, 9616, 9618, 9620, 9622, 9624, 9626, 9628, 
-    9630, 9632, 9634, 9636, 9638, 0, 9640, 9642, 9644, 9646, 9648, 9650, 
-    9652, 9654, 9656, 9658, 9660, 9662, 9664, 9666, 9668, 9670, 9672, 9674, 
-    9676, 0, 9678, 9680, 9682, 9684, 0, 0, 0, 0, 9686, 9689, 9692, 0, 9695, 
-    0, 9698, 9701, 9704, 9707, 9710, 9713, 9716, 9719, 9722, 9725, 9728, 
-    9730, 9732, 9734, 9736, 9738, 9740, 9742, 9744, 9746, 9748, 9750, 9752, 
-    9754, 9756, 9758, 9760, 9762, 9764, 9766, 9768, 9770, 9772, 9774, 9776, 
-    9778, 9780, 9782, 9784, 9786, 9788, 9790, 9792, 9794, 9796, 9798, 9800, 
-    9802, 9804, 9806, 9808, 9810, 9812, 9814, 9816, 9818, 9820, 9822, 9824, 
-    9826, 9828, 9830, 9832, 9834, 9836, 9838, 9840, 9842, 9844, 9846, 9848, 
-    9850, 9852, 9854, 9856, 9858, 9860, 9862, 9864, 9866, 9868, 9870, 9872, 
-    9874, 9876, 9878, 9880, 9882, 9884, 9886, 9888, 9890, 9892, 9894, 9896, 
-    9898, 9900, 9902, 9904, 9906, 9908, 9910, 9912, 9914, 9916, 9918, 9920, 
-    9922, 9924, 9926, 9928, 9930, 9932, 9934, 9936, 9938, 9940, 9942, 9944, 
-    9946, 9948, 9950, 9952, 9954, 9956, 9958, 9960, 9962, 9965, 9968, 9971, 
-    9974, 9977, 9980, 9983, 0, 0, 0, 0, 9986, 9988, 9990, 9992, 9994, 9996, 
-    9998, 10000, 10002, 10004, 10006, 10008, 10010, 10012, 10014, 10016, 
-    10018, 10020, 10022, 10024, 10026, 10028, 10030, 10032, 10034, 10036, 
-    10038, 10040, 10042, 10044, 10046, 10048, 10050, 10052, 10054, 10056, 
-    10058, 10060, 10062, 10064, 10066, 10068, 10070, 10072, 10074, 10076, 
-    10078, 10080, 10082, 10084, 10086, 10088, 10090, 10092, 10094, 10096, 
-    10098, 10100, 10102, 10104, 10106, 10108, 10110, 10112, 10114, 10116, 
-    10118, 10120, 10122, 10124, 10126, 10128, 10130, 10132, 10134, 10136, 
-    10138, 10140, 10142, 10144, 10146, 10148, 10150, 10152, 10154, 10156, 
-    10158, 10160, 10162, 10164, 10166, 10168, 10170, 10172, 10174, 10176, 
-    10178, 10180, 10182, 10184, 10186, 10188, 10190, 10192, 10194, 10196, 
-    10198, 10200, 10202, 10204, 10206, 10208, 10210, 10212, 10214, 10216, 
-    10218, 10220, 10222, 10224, 10226, 10228, 10230, 10232, 10234, 10236, 
-    10238, 10240, 10242, 10244, 10246, 10248, 10250, 10252, 10254, 10256, 
-    10258, 10260, 10262, 10264, 10266, 10268, 10270, 10272, 10274, 10276, 
-    10278, 10280, 10282, 10284, 10286, 10288, 10290, 10292, 10294, 10296, 
-    10298, 10300, 10302, 10304, 10306, 10308, 10310, 10312, 10314, 10316, 
-    10318, 10320, 10322, 10324, 10326, 10328, 10330, 10332, 10334, 10336, 
-    10338, 10340, 10342, 10344, 10346, 10348, 10350, 10352, 10354, 10356, 
-    10358, 10360, 10362, 10364, 0, 0, 0, 10366, 10368, 10370, 10372, 10374, 
-    10376, 0, 0, 10378, 10380, 10382, 10384, 10386, 10388, 0, 0, 10390, 
-    10392, 10394, 10396, 10398, 10400, 0, 0, 10402, 10404, 10406, 0, 0, 0, 
-    10408, 10410, 10412, 10414, 10416, 10418, 10420, 0, 10422, 10424, 10426, 
-    10428, 10430, 10432, 10434, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10436, 0, 10439, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 10442, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10445, 10448, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10451, 10454, 10457, 10460, 10463, 
-    10466, 10469, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10472, 10475, 
-    10478, 10481, 10484, 10487, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    10490, 10492, 10494, 10496, 10498, 10500, 10502, 10504, 10506, 10508, 
-    10510, 10512, 10514, 10516, 10518, 10520, 10522, 10524, 10526, 10528, 
-    10530, 10532, 10534, 10536, 10538, 10540, 10542, 10544, 10546, 10548, 
-    10550, 10552, 10554, 10556, 10558, 10560, 10562, 10564, 10566, 10568, 
-    10570, 10572, 10574, 10576, 10578, 10580, 10582, 10584, 10586, 10588, 
-    10590, 10592, 10594, 10596, 10598, 10600, 10602, 10604, 10606, 10608, 
-    10610, 10612, 10614, 10616, 10618, 10620, 10622, 10624, 10626, 10628, 
-    10630, 10632, 10634, 10636, 10638, 10640, 10642, 10644, 10646, 10648, 
-    10650, 10652, 10654, 10656, 10658, 0, 10660, 10662, 10664, 10666, 10668, 
-    10670, 10672, 10674, 10676, 10678, 10680, 10682, 10684, 10686, 10688, 
-    10690, 10692, 10694, 10696, 10698, 10700, 10702, 10704, 10706, 10708, 
-    10710, 10712, 10714, 10716, 10718, 10720, 10722, 10724, 10726, 10728, 
-    10730, 10732, 10734, 10736, 10738, 10740, 10742, 10744, 10746, 10748, 
-    10750, 10752, 10754, 10756, 10758, 10760, 10762, 10764, 10766, 10768, 
-    10770, 10772, 10774, 10776, 10778, 10780, 10782, 10784, 10786, 10788, 
-    10790, 10792, 10794, 10796, 10798, 10800, 0, 10802, 10804, 0, 0, 10806, 
-    0, 0, 10808, 10810, 0, 0, 10812, 10814, 10816, 10818, 0, 10820, 10822, 
-    10824, 10826, 10828, 10830, 10832, 10834, 10836, 10838, 10840, 10842, 0, 
-    10844, 0, 10846, 10848, 10850, 10852, 10854, 10856, 10858, 0, 10860, 
-    10862, 10864, 10866, 10868, 10870, 10872, 10874, 10876, 10878, 10880, 
-    10882, 10884, 10886, 10888, 10890, 10892, 10894, 10896, 10898, 10900, 
-    10902, 10904, 10906, 10908, 10910, 10912, 10914, 10916, 10918, 10920, 
-    10922, 10924, 10926, 10928, 10930, 10932, 10934, 10936, 10938, 10940, 
-    10942, 10944, 10946, 10948, 10950, 10952, 10954, 10956, 10958, 10960, 
-    10962, 10964, 10966, 10968, 10970, 10972, 10974, 10976, 10978, 10980, 
-    10982, 10984, 10986, 10988, 0, 10990, 10992, 10994, 10996, 0, 0, 10998, 
-    11000, 11002, 11004, 11006, 11008, 11010, 11012, 0, 11014, 11016, 11018, 
-    11020, 11022, 11024, 11026, 0, 11028, 11030, 11032, 11034, 11036, 11038, 
-    11040, 11042, 11044, 11046, 11048, 11050, 11052, 11054, 11056, 11058, 
-    11060, 11062, 11064, 11066, 11068, 11070, 11072, 11074, 11076, 11078, 
-    11080, 11082, 0, 11084, 11086, 11088, 11090, 0, 11092, 11094, 11096, 
-    11098, 11100, 0, 11102, 0, 0, 0, 11104, 11106, 11108, 11110, 11112, 
-    11114, 11116, 0, 11118, 11120, 11122, 11124, 11126, 11128, 11130, 11132, 
-    11134, 11136, 11138, 11140, 11142, 11144, 11146, 11148, 11150, 11152, 
-    11154, 11156, 11158, 11160, 11162, 11164, 11166, 11168, 11170, 11172, 
-    11174, 11176, 11178, 11180, 11182, 11184, 11186, 11188, 11190, 11192, 
-    11194, 11196, 11198, 11200, 11202, 11204, 11206, 11208, 11210, 11212, 
-    11214, 11216, 11218, 11220, 11222, 11224, 11226, 11228, 11230, 11232, 
-    11234, 11236, 11238, 11240, 11242, 11244, 11246, 11248, 11250, 11252, 
-    11254, 11256, 11258, 11260, 11262, 11264, 11266, 11268, 11270, 11272, 
-    11274, 11276, 11278, 11280, 11282, 11284, 11286, 11288, 11290, 11292, 
-    11294, 11296, 11298, 11300, 11302, 11304, 11306, 11308, 11310, 11312, 
-    11314, 11316, 11318, 11320, 11322, 11324, 11326, 11328, 11330, 11332, 
-    11334, 11336, 11338, 11340, 11342, 11344, 11346, 11348, 11350, 11352, 
-    11354, 11356, 11358, 11360, 11362, 11364, 11366, 11368, 11370, 11372, 
-    11374, 11376, 11378, 11380, 11382, 11384, 11386, 11388, 11390, 11392, 
-    11394, 11396, 11398, 11400, 11402, 11404, 11406, 11408, 11410, 11412, 
-    11414, 11416, 11418, 11420, 11422, 11424, 11426, 11428, 11430, 11432, 
-    11434, 11436, 11438, 11440, 11442, 11444, 11446, 11448, 11450, 11452, 
-    11454, 11456, 11458, 11460, 11462, 11464, 11466, 11468, 11470, 11472, 
-    11474, 11476, 11478, 11480, 11482, 11484, 11486, 11488, 11490, 11492, 
-    11494, 11496, 11498, 11500, 11502, 11504, 11506, 11508, 11510, 11512, 
-    11514, 11516, 11518, 11520, 11522, 11524, 11526, 11528, 11530, 11532, 
-    11534, 11536, 11538, 11540, 11542, 11544, 11546, 11548, 11550, 11552, 
-    11554, 11556, 11558, 11560, 11562, 11564, 11566, 11568, 11570, 11572, 
-    11574, 11576, 11578, 11580, 11582, 11584, 11586, 11588, 11590, 11592, 
-    11594, 11596, 11598, 11600, 11602, 11604, 11606, 11608, 11610, 11612, 
-    11614, 11616, 11618, 11620, 11622, 11624, 11626, 11628, 11630, 11632, 
-    11634, 11636, 11638, 11640, 11642, 11644, 11646, 11648, 11650, 11652, 
-    11654, 11656, 11658, 11660, 11662, 11664, 11666, 11668, 11670, 11672, 
-    11674, 11676, 11678, 11680, 11682, 11684, 11686, 11688, 11690, 11692, 
-    11694, 11696, 11698, 11700, 11702, 11704, 11706, 11708, 11710, 11712, 
-    11714, 11716, 11718, 11720, 11722, 11724, 11726, 11728, 11730, 11732, 
-    11734, 11736, 11738, 11740, 11742, 11744, 11746, 11748, 11750, 11752, 
-    11754, 11756, 11758, 11760, 11762, 11764, 11766, 11768, 11770, 11772, 
-    11774, 11776, 11778, 11780, 11782, 11784, 11786, 11788, 11790, 11792, 
-    11794, 11796, 0, 0, 11798, 11800, 11802, 11804, 11806, 11808, 11810, 
-    11812, 11814, 11816, 11818, 11820, 11822, 11824, 11826, 11828, 11830, 
-    11832, 11834, 11836, 11838, 11840, 11842, 11844, 11846, 11848, 11850, 
-    11852, 11854, 11856, 11858, 11860, 11862, 11864, 11866, 11868, 11870, 
-    11872, 11874, 11876, 11878, 11880, 11882, 11884, 11886, 11888, 11890, 
-    11892, 11894, 11896, 11898, 11900, 11902, 11904, 11906, 11908, 11910, 
-    11912, 11914, 11916, 11918, 11920, 11922, 11924, 11926, 11928, 11930, 
-    11932, 11934, 11936, 11938, 11940, 11942, 11944, 11946, 11948, 11950, 
-    11952, 11954, 11956, 11958, 11960, 11962, 11964, 11966, 11968, 11970, 
-    11972, 11974, 11976, 11978, 11980, 11982, 11984, 11986, 11988, 11990, 
-    11992, 11994, 11996, 11998, 12000, 12002, 12004, 12006, 12008, 12010, 
-    12012, 12014, 12016, 12018, 12020, 12022, 12024, 12026, 12028, 12030, 
-    12032, 12034, 12036, 12038, 12040, 12042, 12044, 12046, 12048, 12050, 
-    12052, 12054, 12056, 12058, 12060, 12062, 12064, 12066, 12068, 12070, 
-    12072, 12074, 12076, 12078, 12080, 12082, 12084, 12086, 12088, 12090, 
-    12092, 12094, 12096, 12098, 12100, 12102, 12104, 12106, 12108, 12110, 
-    12112, 12114, 12116, 12118, 12120, 12122, 12124, 12126, 12128, 12130, 
-    12132, 12134, 12136, 12138, 12140, 12142, 12144, 12146, 12148, 12150, 
-    12152, 12154, 12156, 12158, 12160, 12162, 12164, 12166, 12168, 12170, 
-    12172, 12174, 12176, 12178, 12180, 12182, 12184, 12186, 12188, 12190, 
-    12192, 12194, 12196, 12198, 12200, 12202, 12204, 12206, 12208, 12210, 
-    12212, 12214, 12216, 12218, 12220, 12222, 12224, 12226, 12228, 12230, 
-    12232, 12234, 12236, 12238, 12240, 12242, 12244, 12246, 12248, 12250, 
-    12252, 12254, 12256, 12258, 12260, 12262, 12264, 12266, 12268, 12270, 
-    12272, 12274, 12276, 12278, 12280, 12282, 12284, 12286, 12288, 12290, 
-    12292, 12294, 12296, 12298, 12300, 12302, 12304, 12306, 12308, 12310, 
-    12312, 12314, 12316, 12318, 12320, 12322, 12324, 12326, 12328, 12330, 
-    12332, 12334, 12336, 12338, 12340, 12342, 12344, 12346, 12348, 12350, 
-    12352, 12354, 12356, 12358, 12360, 12362, 12364, 12366, 12368, 12370, 
-    12372, 12374, 12376, 12378, 12380, 0, 0, 12382, 12384, 12386, 12388, 
-    12390, 12392, 12394, 12396, 12398, 12400, 12402, 12404, 12406, 12408, 
-    12410, 12412, 12414, 12416, 12418, 12420, 12422, 12424, 12426, 12428, 
-    12430, 12432, 12434, 12436, 12438, 12440, 12442, 12444, 12446, 12448, 
-    12450, 12452, 12454, 12456, 12458, 12460, 12462, 12464, 12466, 12468, 
-    12470, 12472, 12474, 12476, 12478, 12480, 12482, 12484, 12486, 12488, 0, 
-    12490, 12492, 12494, 12496, 12498, 12500, 12502, 12504, 12506, 12508, 
-    12510, 12512, 12514, 12516, 12518, 12520, 12522, 12524, 12526, 12528, 
-    12530, 12532, 12534, 12536, 12538, 12540, 12542, 0, 12544, 12546, 0, 
-    12548, 0, 0, 12550, 0, 12552, 12554, 12556, 12558, 12560, 12562, 12564, 
-    12566, 12568, 12570, 0, 12572, 12574, 12576, 12578, 0, 12580, 0, 12582, 
-    0, 0, 0, 0, 0, 0, 12584, 0, 0, 0, 0, 12586, 0, 12588, 0, 12590, 0, 12592, 
-    12594, 12596, 0, 12598, 12600, 0, 12602, 0, 0, 12604, 0, 12606, 0, 12608, 
-    0, 12610, 0, 12612, 0, 12614, 12616, 0, 12618, 0, 0, 12620, 12622, 12624, 
-    12626, 0, 12628, 12630, 12632, 12634, 12636, 12638, 12640, 0, 12642, 
-    12644, 12646, 12648, 0, 12650, 12652, 12654, 12656, 0, 12658, 0, 12660, 
-    12662, 12664, 12666, 12668, 12670, 12672, 12674, 12676, 12678, 0, 12680, 
-    12682, 12684, 12686, 12688, 12690, 12692, 12694, 12696, 12698, 12700, 
-    12702, 12704, 12706, 12708, 12710, 12712, 0, 0, 0, 0, 0, 12714, 12716, 
-    12718, 0, 12720, 12722, 12724, 12726, 12728, 0, 12730, 12732, 12734, 
-    12736, 12738, 12740, 12742, 12744, 12746, 12748, 12750, 12752, 12754, 
-    12756, 12758, 12760, 12762, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 12764, 12767, 12770, 12773, 12776, 12779, 12782, 12785, 
-    12788, 12791, 12794, 0, 0, 0, 0, 0, 12797, 12801, 12805, 12809, 12813, 
-    12817, 12821, 12825, 12829, 12833, 12837, 12841, 12845, 12849, 12853, 
-    12857, 12861, 12865, 12869, 12873, 12877, 12881, 12885, 12889, 12893, 
-    12897, 12901, 12905, 12907, 12909, 12912, 0, 12915, 12917, 12919, 12921, 
-    12923, 12925, 12927, 12929, 12931, 12933, 12935, 12937, 12939, 12941, 
-    12943, 12945, 12947, 12949, 12951, 12953, 12955, 12957, 12959, 12961, 
-    12963, 12965, 12967, 12970, 12973, 12976, 12979, 12983, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12986, 12989, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12992, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 12995, 12998, 13001, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 13003, 13005, 13007, 13009, 13011, 13013, 13015, 13017, 13019, 13021, 
-    13023, 13025, 13027, 13029, 13031, 13033, 13035, 13037, 13039, 13041, 
-    13043, 13045, 13047, 13049, 13051, 13053, 13055, 13057, 13059, 13061, 
-    13063, 13065, 13067, 13069, 13071, 13073, 13075, 13077, 13079, 13081, 
-    13083, 13085, 13087, 0, 0, 0, 0, 0, 13089, 13093, 13097, 13101, 13105, 
-    13109, 13113, 13117, 13121, 0, 0, 0, 0, 0, 0, 0, 13125, 13127, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 13129, 13131, 13133, 13135, 13137, 13139, 13141, 13143, 13145, 
-    13147, 13149, 13151, 13153, 13155, 13157, 13159, 13161, 13163, 13165, 
-    13167, 13169, 13171, 13173, 13175, 13177, 13179, 13181, 13183, 13185, 
-    13187, 13189, 13191, 13193, 13195, 13197, 13199, 13201, 13203, 13205, 
-    13207, 13209, 13211, 13213, 13215, 13217, 13219, 13221, 13223, 13225, 
-    13227, 13229, 13231, 13233, 13235, 13237, 13239, 13241, 13243, 13245, 
-    13247, 13249, 13251, 13253, 13255, 13257, 13259, 13261, 13263, 13265, 
-    13267, 13269, 13271, 13273, 13275, 13277, 13279, 13281, 13283, 13285, 
-    13287, 13289, 13291, 13293, 13295, 13297, 13299, 13301, 13303, 13305, 
-    13307, 13309, 13311, 13313, 13315, 13317, 13319, 13321, 13323, 13325, 
-    13327, 13329, 13331, 13333, 13335, 13337, 13339, 13341, 13343, 13345, 
-    13347, 13349, 13351, 13353, 13355, 13357, 13359, 13361, 13363, 13365, 
-    13367, 13369, 13371, 13373, 13375, 13377, 13379, 13381, 13383, 13385, 
-    13387, 13389, 13391, 13393, 13395, 13397, 13399, 13401, 13403, 13405, 
-    13407, 13409, 13411, 13413, 13415, 13417, 13419, 13421, 13423, 13425, 
-    13427, 13429, 13431, 13433, 13435, 13437, 13439, 13441, 13443, 13445, 
-    13447, 13449, 13451, 13453, 13455, 13457, 13459, 13461, 13463, 13465, 
-    13467, 13469, 13471, 13473, 13475, 13477, 13479, 13481, 13483, 13485, 
-    13487, 13489, 13491, 13493, 13495, 13497, 13499, 13501, 13503, 13505, 
-    13507, 13509, 13511, 13513, 13515, 13517, 13519, 13521, 13523, 13525, 
-    13527, 13529, 13531, 13533, 13535, 13537, 13539, 13541, 13543, 13545, 
-    13547, 13549, 13551, 13553, 13555, 13557, 13559, 13561, 13563, 13565, 
-    13567, 13569, 13571, 13573, 13575, 13577, 13579, 13581, 13583, 13585, 
-    13587, 13589, 13591, 13593, 13595, 13597, 13599, 13601, 13603, 13605, 
-    13607, 13609, 13611, 13613, 13615, 13617, 13619, 13621, 13623, 13625, 
-    13627, 13629, 13631, 13633, 13635, 13637, 13639, 13641, 13643, 13645, 
-    13647, 13649, 13651, 13653, 13655, 13657, 13659, 13661, 13663, 13665, 
-    13667, 13669, 13671, 13673, 13675, 13677, 13679, 13681, 13683, 13685, 
-    13687, 13689, 13691, 13693, 13695, 13697, 13699, 13701, 13703, 13705, 
-    13707, 13709, 13711, 13713, 13715, 13717, 13719, 13721, 13723, 13725, 
-    13727, 13729, 13731, 13733, 13735, 13737, 13739, 13741, 13743, 13745, 
-    13747, 13749, 13751, 13753, 13755, 13757, 13759, 13761, 13763, 13765, 
-    13767, 13769, 13771, 13773, 13775, 13777, 13779, 13781, 13783, 13785, 
-    13787, 13789, 13791, 13793, 13795, 13797, 13799, 13801, 13803, 13805, 
-    13807, 13809, 13811, 13813, 13815, 13817, 13819, 13821, 13823, 13825, 
-    13827, 13829, 13831, 13833, 13835, 13837, 13839, 13841, 13843, 13845, 
-    13847, 13849, 13851, 13853, 13855, 13857, 13859, 13861, 13863, 13865, 
-    13867, 13869, 13871, 13873, 13875, 13877, 13879, 13881, 13883, 13885, 
-    13887, 13889, 13891, 13893, 13895, 13897, 13899, 13901, 13903, 13905, 
-    13907, 13909, 13911, 13913, 13915, 13917, 13919, 13921, 13923, 13925, 
-    13927, 13929, 13931, 13933, 13935, 13937, 13939, 13941, 13943, 13945, 
-    13947, 13949, 13951, 13953, 13955, 13957, 13959, 13961, 13963, 13965, 
-    13967, 13969, 13971, 13973, 13975, 13977, 13979, 13981, 13983, 13985, 
-    13987, 13989, 13991, 13993, 13995, 13997, 13999, 14001, 14003, 14005, 
-    14007, 14009, 14011, 14013, 14015, 14017, 14019, 14021, 14023, 14025, 
-    14027, 14029, 14031, 14033, 14035, 14037, 14039, 14041, 14043, 14045, 
-    14047, 14049, 14051, 14053, 14055, 14057, 14059, 14061, 14063, 14065, 
-    14067, 14069, 14071, 14073, 14075, 14077, 14079, 14081, 14083, 14085, 
-    14087, 14089, 14091, 14093, 14095, 14097, 14099, 14101, 14103, 14105, 
-    14107, 14109, 14111, 14113, 14115, 14117, 14119, 14121, 14123, 14125, 
-    14127, 14129, 14131, 14133, 14135, 14137, 14139, 14141, 14143, 14145, 
-    14147, 14149, 14151, 14153, 14155, 14157, 14159, 14161, 14163, 14165, 
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+    14136, 14138, 14140, 14142, 14144, 14146, 14148, 14150, 14152, 14154, 
+    14156, 14158, 14160, 14162, 14164, 14166, 14168, 14170, 14172, 14174, 
+    14176, 14178, 14180, 14182, 14184, 14186, 14188, 14190, 14192, 14194, 
+    14196, 14198, 14200, 14202, 14204, 14206, 14208, 14210, 14212, 14214, 
+    14216, 14218, 14220, 14222, 14224, 14226, 14228, 14230, 14232, 14234, 
+    14236, 14238, 14240, 14242, 14244, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
 };
 
 /* NFC pairs */
 #define COMP_SHIFT 2
 static unsigned short comp_index[] = {
-    0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 8, 9, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 11, 0, 12, 0, 0, 0, 0, 0, 0, 0, 13, 
-    14, 15, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 18, 0, 19, 20, 21, 0, 0, 
-    0, 0, 0, 0, 0, 22, 23, 24, 25, 26, 27, 28, 0, 0, 0, 0, 0, 0, 0, 0, 29, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 31, 32, 0, 0, 33, 0, 0, 0, 0, 0, 0, 
-    0, 0, 34, 35, 36, 0, 37, 38, 39, 0, 0, 0, 0, 0, 0, 0, 40, 41, 42, 43, 44, 
-    45, 46, 0, 0, 0, 0, 0, 0, 0, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    48, 0, 49, 0, 50, 51, 52, 0, 0, 0, 0, 0, 0, 0, 53, 0, 54, 0, 55, 56, 57, 
-    0, 0, 0, 0, 0, 0, 0, 58, 59, 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 61, 62, 
-    63, 0, 64, 65, 66, 0, 0, 0, 0, 0, 0, 0, 67, 68, 69, 70, 71, 72, 0, 0, 0, 
-    0, 0, 0, 0, 0, 73, 74, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 75, 76, 77, 
-    78, 79, 80, 81, 0, 0, 0, 0, 0, 0, 0, 82, 83, 84, 0, 85, 86, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 87, 88, 0, 89, 90, 91, 0, 0, 0, 0, 0, 0, 0, 92, 93, 94, 
-    95, 96, 97, 98, 0, 0, 0, 0, 0, 0, 0, 99, 0, 0, 0, 100, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 101, 102, 0, 0, 103, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 105, 106, 107, 0, 108, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 109, 110, 111, 0, 112, 0, 113, 0, 0, 0, 0, 0, 0, 0, 114, 115, 116, 
-    117, 118, 119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 120, 0, 0, 121, 0, 122, 0, 0, 
-    0, 0, 0, 0, 0, 123, 124, 125, 0, 0, 126, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 
-    128, 0, 129, 130, 131, 0, 0, 0, 0, 0, 0, 0, 132, 133, 134, 135, 136, 137, 
-    138, 0, 0, 0, 0, 0, 0, 0, 0, 139, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    140, 141, 142, 0, 0, 143, 0, 0, 0, 0, 0, 0, 0, 0, 144, 145, 146, 0, 147, 
-    148, 149, 0, 0, 0, 0, 0, 0, 0, 150, 151, 152, 153, 154, 155, 156, 0, 0, 
-    0, 0, 0, 0, 0, 157, 0, 158, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 159, 0, 160, 
-    0, 161, 162, 163, 0, 0, 0, 0, 0, 0, 0, 164, 0, 165, 0, 166, 167, 168, 0, 
-    0, 0, 0, 0, 0, 0, 169, 170, 0, 0, 171, 0, 0, 0, 0, 0, 0, 0, 0, 0, 172, 
-    173, 174, 0, 175, 176, 177, 0, 0, 0, 0, 0, 0, 0, 178, 179, 180, 181, 182, 
-    183, 0, 0, 0, 0, 0, 0, 0, 0, 184, 185, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 186, 187, 188, 189, 190, 191, 192, 0, 0, 0, 0, 0, 0, 0, 193, 194, 195, 
-    0, 196, 197, 0, 0, 0, 0, 0, 0, 0, 0, 0, 198, 199, 0, 200, 201, 202, 0, 0, 
-    0, 0, 0, 0, 0, 203, 204, 205, 206, 207, 208, 209, 0, 0, 0, 0, 0, 0, 0, 
-    210, 0, 0, 0, 211, 0, 0, 0, 0, 0, 0, 0, 0, 0, 212, 213, 214, 0, 215, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 216, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 217, 
-    218, 219, 0, 220, 0, 0, 0, 0, 0, 0, 0, 0, 0, 221, 222, 223, 0, 224, 0, 
-    225, 0, 0, 0, 0, 0, 0, 0, 226, 0, 0, 0, 0, 0, 0, 227, 0, 0, 0, 0, 0, 0, 
-    228, 0, 229, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 230, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 231, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 232, 233, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 234, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 235, 0, 236, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 237, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 238, 0, 239, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    240, 241, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 242, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 243, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 244, 245, 
-    246, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 247, 0, 248, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 249, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 250, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 251, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    253, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254, 0, 255, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 257, 0, 
-    258, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 259, 260, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 261, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 262, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 263, 264, 265, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 266, 0, 267, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 268, 0, 269, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 270, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 271, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 272, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 273, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 274, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 275, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 276, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 277, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 278, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 279, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 280, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 281, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 282, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 283, 0, 284, 0, 285, 0, 0, 0, 0, 0, 0, 0, 0, 0, 286, 0, 287, 0, 
-    288, 0, 0, 0, 0, 0, 0, 0, 0, 0, 289, 0, 290, 0, 291, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 292, 0, 293, 0, 294, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 295, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 296, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    297, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 298, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 299, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 300, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 301, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    302, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 303, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 304, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 305, 306, 0, 307, 
-    0, 0, 0, 308, 0, 0, 0, 0, 0, 0, 309, 0, 0, 310, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 311, 0, 0, 312, 0, 0, 0, 313, 0, 0, 0, 0, 0, 0, 314, 315, 0, 316, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 317, 0, 0, 318, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 319, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 320, 321, 0, 322, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 323, 0, 0, 324, 0, 0, 0, 325, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 326, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 327, 0, 0, 
-    0, 0, 0, 0, 328, 329, 0, 330, 0, 0, 0, 331, 0, 0, 0, 0, 0, 0, 332, 0, 0, 
-    333, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 334, 0, 0, 335, 0, 0, 0, 336, 0, 0, 0, 
-    0, 0, 0, 337, 338, 0, 339, 0, 0, 0, 340, 0, 0, 0, 0, 0, 0, 341, 0, 0, 
-    342, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 343, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 344, 345, 0, 346, 0, 0, 0, 347, 0, 0, 0, 0, 0, 0, 348, 0, 0, 349, 
-    0, 0, 0, 350, 0, 0, 0, 0, 0, 0, 351, 0, 0, 0, 0, 0, 0, 352, 0, 0, 0, 0, 
-    0, 0, 353, 0, 0, 0, 0, 0, 0, 354, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    355, 0, 0, 0, 0, 0, 0, 356, 357, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    358, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 359, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 360, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 361, 362, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 363, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 364, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 365, 366, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 367, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 368, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 369, 370, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 371, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 372, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 373, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 374, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 375, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 376, 377, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 378, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 379, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 380, 
-    381, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 382, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 383, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 384, 385, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 386, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 387, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 388, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 389, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 390, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 391, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 392, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 393, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 394, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 395, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 396, 397, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 398, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 399, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 401, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 402, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 403, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    404, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 405, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 406, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 407, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 408, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 409, 410, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 411, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 412, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 413, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 414, 415, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 416, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 417, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 418, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    419, 420, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 421, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 422, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 423, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 424, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 425, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 426, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 427, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 428, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 429, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 430, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 431, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 432, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 433, 0, 
-    0, 434, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 435, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 436, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 437, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 438, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 439, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 440, 441, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 442, 443, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 444, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 445, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 446, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 447, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 448, 0, 0, 0, 0, 0, 0, 449, 0, 0, 0, 0, 0, 0, 450, 
-    0, 0, 0, 0, 0, 0, 451, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 452, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 453, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 454, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 455, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 456, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 457, 0, 0, 
-    0, 0, 0, 0, 458, 0, 0, 0, 0, 0, 0, 459, 0, 0, 0, 0, 0, 0, 460, 0, 0, 0, 
-    0, 0, 0, 461, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 462, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 463, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 464, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 465, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 466, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 467, 0, 0, 0, 0, 0, 
-    0, 468, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 469, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 470, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 471, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 472, 0, 0, 0, 0, 0, 0, 473, 0, 0, 0, 0, 
-    0, 0, 474, 0, 0, 0, 0, 0, 0, 475, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    476, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 477, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 478, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 479, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 480, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    481, 0, 0, 0, 0, 0, 0, 482, 0, 0, 0, 0, 0, 0, 483, 0, 0, 0, 0, 0, 0, 484, 
-    0, 0, 0, 0, 0, 0, 485, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 486, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 487, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 488, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 489, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 490, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 491, 0, 0, 
-    0, 0, 0, 0, 492, 0, 0, 0, 0, 0, 0, 493, 0, 0, 0, 0, 0, 0, 494, 0, 0, 0, 
-    0, 0, 0, 495, 0, 0, 0, 0, 0, 0, 496, 0, 0, 0, 0, 0, 0, 497, 0, 0, 0, 0, 
-    0, 0, 498, 0, 0, 0, 0, 0, 0, 499, 0, 0, 0, 0, 0, 0, 500, 0, 0, 0, 0, 0, 
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+    647, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 648, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 649, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    650, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 651, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 652, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    653, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 654, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 655, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    656, 
 };
 
 static unsigned int comp_data[] = {
-    0, 0, 0, 0, 0, 0, 0, 8814, 0, 0, 0, 8800, 0, 0, 0, 8815, 192, 193, 194, 
-    195, 256, 258, 550, 196, 7842, 197, 0, 461, 512, 514, 0, 0, 0, 7840, 0, 
-    7680, 0, 0, 260, 0, 0, 0, 7682, 0, 0, 7684, 0, 0, 0, 0, 7686, 0, 0, 262, 
-    264, 0, 0, 0, 266, 0, 0, 0, 0, 268, 0, 199, 0, 0, 0, 0, 7690, 0, 0, 0, 0, 
-    270, 0, 7692, 0, 0, 0, 7696, 0, 7698, 0, 0, 7694, 0, 200, 201, 202, 7868, 
-    274, 276, 278, 203, 7866, 0, 0, 282, 516, 518, 0, 0, 0, 7864, 0, 0, 0, 
-    552, 280, 7704, 0, 7706, 0, 0, 0, 0, 7710, 0, 0, 500, 284, 0, 7712, 286, 
-    288, 0, 0, 0, 0, 486, 0, 290, 0, 0, 0, 0, 292, 0, 0, 0, 7714, 7718, 0, 0, 
-    0, 542, 0, 7716, 0, 0, 0, 7720, 0, 0, 7722, 0, 0, 0, 204, 205, 206, 296, 
-    298, 300, 304, 207, 7880, 0, 0, 463, 520, 522, 0, 0, 0, 7882, 0, 0, 0, 0, 
-    302, 0, 0, 7724, 0, 0, 0, 0, 308, 0, 0, 7728, 0, 0, 0, 0, 0, 488, 0, 
-    7730, 0, 0, 0, 310, 0, 0, 0, 0, 7732, 0, 0, 313, 0, 0, 0, 0, 0, 317, 0, 
-    7734, 0, 0, 0, 315, 0, 7740, 0, 0, 7738, 0, 0, 7742, 0, 0, 0, 0, 7744, 0, 
-    0, 7746, 0, 0, 504, 323, 0, 209, 0, 0, 7748, 0, 0, 0, 0, 327, 0, 7750, 0, 
-    0, 0, 325, 0, 7754, 0, 0, 7752, 0, 210, 211, 212, 213, 332, 334, 558, 
-    214, 7886, 0, 336, 465, 524, 526, 0, 0, 416, 7884, 0, 0, 0, 0, 490, 0, 0, 
-    7764, 0, 0, 0, 0, 7766, 0, 0, 340, 0, 0, 0, 0, 7768, 0, 0, 0, 0, 344, 
-    528, 530, 0, 0, 0, 7770, 0, 0, 0, 342, 0, 0, 0, 0, 7774, 0, 0, 346, 348, 
-    0, 0, 0, 7776, 0, 0, 0, 0, 352, 0, 7778, 0, 0, 536, 350, 0, 0, 0, 0, 
-    7786, 0, 0, 0, 0, 356, 0, 7788, 0, 0, 538, 354, 0, 7792, 0, 0, 7790, 0, 
-    217, 218, 219, 360, 362, 364, 0, 220, 7910, 366, 368, 467, 532, 534, 0, 
-    0, 431, 7908, 7794, 0, 0, 0, 370, 7798, 0, 7796, 0, 0, 0, 0, 0, 7804, 0, 
-    7806, 0, 0, 7808, 7810, 372, 0, 0, 0, 7814, 7812, 0, 7816, 0, 0, 0, 0, 
-    7818, 7820, 7922, 221, 374, 7928, 562, 0, 7822, 376, 7926, 0, 0, 0, 0, 
-    7924, 0, 0, 0, 377, 7824, 0, 0, 0, 379, 0, 0, 0, 0, 381, 0, 7826, 0, 0, 
-    0, 0, 7828, 0, 224, 225, 226, 227, 257, 259, 551, 228, 7843, 229, 0, 462, 
-    513, 515, 0, 0, 0, 7841, 0, 7681, 0, 0, 261, 0, 0, 0, 7683, 0, 0, 7685, 
-    0, 0, 0, 0, 7687, 0, 0, 263, 265, 0, 0, 0, 267, 0, 0, 0, 0, 269, 0, 231, 
-    0, 0, 0, 0, 7691, 0, 0, 0, 0, 271, 0, 7693, 0, 0, 0, 7697, 0, 7699, 0, 0, 
-    7695, 0, 232, 233, 234, 7869, 275, 277, 279, 235, 7867, 0, 0, 283, 517, 
-    519, 0, 0, 0, 7865, 0, 0, 0, 553, 281, 7705, 0, 7707, 0, 0, 0, 0, 7711, 
-    0, 0, 501, 285, 0, 7713, 287, 289, 0, 0, 0, 0, 487, 0, 291, 0, 0, 0, 0, 
-    293, 0, 0, 0, 7715, 7719, 0, 0, 0, 543, 0, 7717, 0, 0, 0, 7721, 0, 0, 
-    7723, 0, 7830, 0, 236, 237, 238, 297, 299, 301, 0, 239, 7881, 0, 0, 464, 
-    521, 523, 0, 0, 0, 7883, 0, 0, 0, 0, 303, 0, 0, 7725, 0, 0, 0, 0, 309, 0, 
-    0, 0, 0, 496, 0, 7729, 0, 0, 0, 0, 0, 489, 0, 7731, 0, 0, 0, 311, 0, 0, 
-    0, 0, 7733, 0, 0, 314, 0, 0, 0, 0, 0, 318, 0, 7735, 0, 0, 0, 316, 0, 
-    7741, 0, 0, 7739, 0, 0, 7743, 0, 0, 0, 0, 7745, 0, 0, 7747, 0, 0, 505, 
-    324, 0, 241, 0, 0, 7749, 0, 0, 0, 0, 328, 0, 7751, 0, 0, 0, 326, 0, 7755, 
-    0, 0, 7753, 0, 242, 243, 244, 245, 333, 335, 559, 246, 7887, 0, 337, 466, 
-    525, 527, 0, 0, 417, 7885, 0, 0, 0, 0, 491, 0, 0, 7765, 0, 0, 0, 0, 7767, 
-    0, 0, 341, 0, 0, 0, 0, 7769, 0, 0, 0, 0, 345, 529, 531, 0, 0, 0, 7771, 0, 
-    0, 0, 343, 0, 0, 0, 0, 7775, 0, 0, 347, 349, 0, 0, 0, 7777, 0, 0, 0, 0, 
-    353, 0, 7779, 0, 0, 537, 351, 0, 0, 0, 0, 7787, 7831, 0, 0, 0, 357, 0, 
-    7789, 0, 0, 539, 355, 0, 7793, 0, 0, 7791, 0, 249, 250, 251, 361, 363, 
-    365, 0, 252, 7911, 367, 369, 468, 533, 535, 0, 0, 432, 7909, 7795, 0, 0, 
-    0, 371, 7799, 0, 7797, 0, 0, 0, 0, 0, 7805, 0, 7807, 0, 0, 7809, 7811, 
-    373, 0, 0, 0, 7815, 7813, 0, 7832, 0, 0, 0, 7817, 0, 0, 0, 0, 7819, 7821, 
-    7923, 253, 375, 7929, 563, 0, 7823, 255, 7927, 7833, 0, 0, 0, 7925, 0, 0, 
-    0, 378, 7825, 0, 0, 0, 380, 0, 0, 0, 0, 382, 0, 7827, 0, 0, 0, 0, 7829, 
-    0, 8173, 901, 0, 0, 8129, 0, 0, 0, 7846, 7844, 0, 7850, 7848, 0, 0, 0, 
-    478, 0, 0, 0, 0, 506, 0, 0, 0, 508, 0, 0, 482, 0, 0, 0, 0, 7688, 0, 0, 
-    7872, 7870, 0, 7876, 7874, 0, 0, 0, 0, 7726, 0, 0, 7890, 7888, 0, 7894, 
-    7892, 0, 0, 0, 0, 7756, 0, 0, 556, 0, 0, 7758, 554, 0, 0, 0, 0, 510, 0, 
-    0, 475, 471, 0, 0, 469, 0, 0, 0, 0, 0, 0, 473, 7847, 7845, 0, 7851, 7849, 
-    0, 0, 0, 479, 0, 0, 0, 0, 507, 0, 0, 0, 509, 0, 0, 483, 0, 0, 0, 0, 7689, 
-    0, 0, 7873, 7871, 0, 7877, 7875, 0, 0, 0, 0, 7727, 0, 0, 7891, 7889, 0, 
-    7895, 7893, 0, 0, 0, 0, 7757, 0, 0, 557, 0, 0, 7759, 555, 0, 0, 0, 0, 
-    511, 0, 0, 476, 472, 0, 0, 470, 0, 0, 0, 0, 0, 0, 474, 7856, 7854, 0, 
-    7860, 7858, 0, 0, 0, 7857, 7855, 0, 7861, 7859, 0, 0, 0, 7700, 7702, 0, 
-    0, 7701, 7703, 0, 0, 7760, 7762, 0, 0, 7761, 7763, 0, 0, 0, 0, 7780, 0, 
-    0, 0, 7781, 0, 0, 0, 7782, 0, 0, 0, 7783, 0, 0, 7800, 0, 0, 0, 7801, 0, 
-    0, 0, 0, 0, 7802, 0, 0, 0, 7803, 0, 0, 7835, 0, 7900, 7898, 0, 7904, 
-    7902, 0, 0, 0, 0, 7906, 0, 0, 7901, 7899, 0, 7905, 7903, 0, 0, 0, 0, 
-    7907, 0, 0, 7914, 7912, 0, 7918, 7916, 0, 0, 0, 0, 7920, 0, 0, 7915, 
-    7913, 0, 7919, 7917, 0, 0, 0, 0, 7921, 0, 0, 0, 0, 0, 494, 492, 0, 0, 0, 
-    493, 0, 0, 0, 480, 0, 0, 0, 481, 0, 0, 0, 0, 7708, 0, 0, 0, 7709, 0, 0, 
-    560, 0, 0, 0, 561, 0, 0, 0, 0, 0, 0, 495, 8122, 902, 0, 0, 8121, 8120, 0, 
-    0, 0, 0, 7944, 7945, 0, 8124, 0, 0, 8136, 904, 0, 0, 0, 0, 7960, 7961, 
-    8138, 905, 0, 0, 0, 0, 7976, 7977, 0, 8140, 0, 0, 8154, 906, 0, 0, 8153, 
-    8152, 0, 938, 0, 0, 7992, 7993, 8184, 908, 0, 0, 0, 0, 8008, 8009, 0, 0, 
-    0, 8172, 8170, 910, 0, 0, 8169, 8168, 0, 939, 0, 0, 0, 8025, 8186, 911, 
-    0, 0, 0, 0, 8040, 8041, 0, 8188, 0, 0, 0, 8116, 0, 0, 0, 8132, 0, 0, 
-    8048, 940, 0, 0, 8113, 8112, 0, 0, 0, 0, 7936, 7937, 8118, 8115, 0, 0, 
-    8050, 941, 0, 0, 0, 0, 7952, 7953, 8052, 942, 0, 0, 0, 0, 7968, 7969, 
-    8134, 8131, 0, 0, 8054, 943, 0, 0, 8145, 8144, 0, 970, 0, 0, 7984, 7985, 
-    8150, 0, 0, 0, 8056, 972, 0, 0, 0, 0, 8000, 8001, 0, 0, 8164, 8165, 8058, 
-    973, 0, 0, 8161, 8160, 0, 971, 0, 0, 8016, 8017, 8166, 0, 0, 0, 8060, 
-    974, 0, 0, 0, 0, 8032, 8033, 8182, 8179, 0, 0, 8146, 912, 0, 0, 8151, 0, 
-    0, 0, 8162, 944, 0, 0, 8167, 0, 0, 0, 0, 8180, 0, 0, 0, 979, 0, 0, 0, 0, 
-    0, 980, 0, 0, 0, 1031, 0, 1232, 0, 1234, 0, 1027, 0, 0, 1024, 0, 0, 0, 0, 
-    1238, 0, 1025, 0, 1217, 0, 1244, 0, 0, 0, 1246, 1037, 0, 0, 0, 1250, 
-    1049, 0, 1252, 0, 1036, 0, 0, 0, 0, 0, 1254, 1262, 1038, 0, 1264, 0, 0, 
-    1266, 0, 0, 0, 0, 1268, 0, 0, 0, 1272, 0, 0, 0, 1260, 0, 1233, 0, 1235, 
-    0, 1107, 0, 0, 1104, 0, 0, 0, 0, 1239, 0, 1105, 0, 1218, 0, 1245, 0, 0, 
-    0, 1247, 1117, 0, 0, 0, 1251, 1081, 0, 1253, 0, 1116, 0, 0, 0, 0, 0, 
-    1255, 1263, 1118, 0, 1265, 0, 0, 1267, 0, 0, 0, 0, 1269, 0, 0, 0, 1273, 
-    0, 0, 0, 1261, 0, 0, 0, 1111, 1142, 0, 0, 0, 1143, 0, 0, 0, 0, 0, 0, 
-    1242, 0, 0, 0, 1243, 0, 0, 0, 1258, 0, 0, 0, 1259, 0, 0, 1570, 1571, 
-    1573, 0, 0, 0, 0, 0, 0, 1572, 0, 0, 0, 1574, 0, 0, 0, 1730, 0, 0, 0, 
-    1747, 0, 0, 0, 1728, 0, 2345, 0, 0, 0, 2353, 0, 0, 0, 2356, 0, 0, 0, 0, 
-    2507, 2508, 2891, 2888, 2892, 0, 2964, 0, 0, 0, 0, 0, 0, 3018, 3020, 0, 
-    0, 0, 0, 0, 0, 3019, 0, 3144, 0, 0, 0, 0, 0, 3264, 0, 0, 3274, 3271, 
-    3272, 0, 0, 0, 0, 0, 0, 3275, 0, 3402, 3404, 0, 0, 3403, 0, 0, 0, 0, 0, 
-    3546, 3548, 3550, 0, 0, 0, 0, 0, 3549, 0, 0, 4134, 0, 0, 0, 0, 6918, 0, 
-    0, 0, 6920, 0, 0, 0, 6922, 0, 0, 0, 6924, 0, 0, 0, 6926, 0, 0, 0, 6930, 
-    0, 0, 0, 6971, 0, 0, 0, 6973, 0, 0, 0, 6976, 0, 0, 0, 6977, 0, 0, 0, 
-    6979, 7736, 0, 0, 0, 7737, 0, 0, 0, 7772, 0, 0, 0, 7773, 0, 0, 0, 0, 0, 
-    7784, 0, 0, 0, 7785, 0, 0, 0, 7852, 0, 0, 7862, 0, 0, 0, 0, 7853, 0, 0, 
-    7863, 0, 0, 0, 0, 7878, 0, 0, 0, 7879, 0, 0, 0, 7896, 0, 0, 0, 7897, 0, 
-    7938, 7940, 0, 0, 7942, 8064, 0, 0, 7939, 7941, 0, 0, 7943, 8065, 0, 0, 
-    0, 8066, 0, 0, 0, 8067, 0, 0, 0, 8068, 0, 0, 0, 8069, 0, 0, 0, 8070, 0, 
-    0, 0, 8071, 0, 0, 7946, 7948, 0, 0, 7950, 8072, 0, 0, 7947, 7949, 0, 0, 
-    7951, 8073, 0, 0, 0, 8074, 0, 0, 0, 8075, 0, 0, 0, 8076, 0, 0, 0, 8077, 
-    0, 0, 0, 8078, 0, 0, 0, 8079, 0, 0, 7954, 7956, 0, 0, 7955, 7957, 0, 0, 
-    7962, 7964, 0, 0, 7963, 7965, 0, 0, 7970, 7972, 0, 0, 7974, 8080, 0, 0, 
-    7971, 7973, 0, 0, 7975, 8081, 0, 0, 0, 8082, 0, 0, 0, 8083, 0, 0, 0, 
-    8084, 0, 0, 0, 8085, 0, 0, 0, 8086, 0, 0, 0, 8087, 0, 0, 7978, 7980, 0, 
-    0, 7982, 8088, 0, 0, 7979, 7981, 0, 0, 7983, 8089, 0, 0, 0, 8090, 0, 0, 
-    0, 8091, 0, 0, 0, 8092, 0, 0, 0, 8093, 0, 0, 0, 8094, 0, 0, 0, 8095, 0, 
-    0, 7986, 7988, 0, 0, 7990, 0, 0, 0, 7987, 7989, 0, 0, 7991, 0, 0, 0, 
-    7994, 7996, 0, 0, 7998, 0, 0, 0, 7995, 7997, 0, 0, 7999, 0, 0, 0, 8002, 
-    8004, 0, 0, 8003, 8005, 0, 0, 8010, 8012, 0, 0, 8011, 8013, 0, 0, 8018, 
-    8020, 0, 0, 8022, 0, 0, 0, 8019, 8021, 0, 0, 8023, 0, 0, 0, 8027, 8029, 
-    0, 0, 8031, 0, 0, 0, 8034, 8036, 0, 0, 8038, 8096, 0, 0, 8035, 8037, 0, 
-    0, 8039, 8097, 0, 0, 0, 8098, 0, 0, 0, 8099, 0, 0, 0, 8100, 0, 0, 0, 
-    8101, 0, 0, 0, 8102, 0, 0, 0, 8103, 0, 0, 8042, 8044, 0, 0, 8046, 8104, 
-    0, 0, 8043, 8045, 0, 0, 8047, 8105, 0, 0, 0, 8106, 0, 0, 0, 8107, 0, 0, 
-    0, 8108, 0, 0, 0, 8109, 0, 0, 0, 8110, 0, 0, 0, 8111, 0, 0, 0, 8114, 0, 
-    0, 0, 8130, 0, 0, 0, 8178, 0, 0, 0, 8119, 0, 0, 8141, 8142, 0, 0, 8143, 
-    0, 0, 0, 0, 8135, 0, 0, 0, 8183, 0, 0, 8157, 8158, 0, 0, 8159, 0, 0, 0, 
-    0, 0, 0, 8602, 0, 0, 0, 8603, 0, 0, 0, 8622, 0, 0, 0, 8653, 0, 0, 0, 
-    8655, 0, 0, 0, 8654, 0, 0, 0, 8708, 0, 0, 0, 8713, 0, 0, 0, 8716, 0, 0, 
-    0, 8740, 0, 0, 0, 8742, 0, 0, 0, 8769, 0, 0, 0, 8772, 0, 0, 0, 8775, 0, 
-    0, 0, 8777, 0, 0, 0, 8813, 0, 0, 0, 8802, 0, 0, 0, 8816, 0, 0, 0, 8817, 
-    0, 0, 0, 8820, 0, 0, 0, 8821, 0, 0, 0, 8824, 0, 0, 0, 8825, 0, 0, 0, 
-    8832, 0, 0, 0, 8833, 0, 0, 0, 8928, 0, 0, 0, 8929, 0, 0, 0, 8836, 0, 0, 
-    0, 8837, 0, 0, 0, 8840, 0, 0, 0, 8841, 0, 0, 0, 8930, 0, 0, 0, 8931, 0, 
-    0, 0, 8876, 0, 0, 0, 8877, 0, 0, 0, 8878, 0, 0, 0, 8879, 0, 0, 0, 8938, 
-    0, 0, 0, 8939, 0, 0, 0, 8940, 0, 0, 0, 8941, 12436, 0, 0, 0, 12364, 0, 0, 
-    0, 12366, 0, 0, 0, 12368, 0, 0, 0, 12370, 0, 0, 0, 12372, 0, 0, 0, 12374, 
-    0, 0, 0, 12376, 0, 0, 0, 12378, 0, 0, 0, 12380, 0, 0, 0, 12382, 0, 0, 0, 
-    12384, 0, 0, 0, 12386, 0, 0, 0, 12389, 0, 0, 0, 12391, 0, 0, 0, 12393, 0, 
-    0, 0, 12400, 12401, 0, 0, 12403, 12404, 0, 0, 12406, 12407, 0, 0, 12409, 
-    12410, 0, 0, 12412, 12413, 0, 0, 12446, 0, 0, 0, 12532, 0, 0, 0, 12460, 
-    0, 0, 0, 12462, 0, 0, 0, 12464, 0, 0, 0, 12466, 0, 0, 0, 12468, 0, 0, 0, 
-    12470, 0, 0, 0, 12472, 0, 0, 0, 12474, 0, 0, 0, 12476, 0, 0, 0, 12478, 0, 
-    0, 0, 12480, 0, 0, 0, 12482, 0, 0, 0, 12485, 0, 0, 0, 12487, 0, 0, 0, 
-    12489, 0, 0, 0, 12496, 12497, 0, 0, 12499, 12500, 0, 0, 12502, 12503, 0, 
-    0, 12505, 12506, 0, 0, 12508, 12509, 0, 0, 12535, 0, 0, 0, 12536, 0, 0, 
-    0, 12537, 0, 0, 0, 12538, 0, 0, 0, 12542, 0, 0, 0, 0, 0, 69786, 0, 0, 0, 
-    69788, 0, 0, 0, 69803, 0, 0, 0, 0, 69934, 0, 0, 0, 69935, 
+    0, 0, 0, 0, 0, 0, 0, 8814, 0, 8800, 0, 0, 0, 0, 0, 8815, 0, 0, 192, 193, 
+    194, 195, 256, 258, 550, 196, 7842, 197, 0, 461, 512, 514, 0, 0, 0, 7840, 
+    0, 7680, 0, 0, 260, 0, 0, 0, 0, 0, 7682, 0, 0, 7684, 0, 0, 0, 0, 7686, 0, 
+    0, 0, 0, 262, 264, 0, 0, 0, 266, 0, 0, 0, 0, 268, 0, 0, 0, 0, 0, 199, 0, 
+    0, 7690, 0, 0, 0, 0, 270, 0, 7692, 0, 0, 0, 7696, 0, 7698, 0, 0, 7694, 0, 
+    0, 0, 200, 201, 202, 7868, 274, 276, 278, 203, 7866, 0, 0, 282, 516, 518, 
+    0, 0, 0, 7864, 0, 0, 0, 552, 280, 7704, 0, 7706, 0, 0, 7710, 0, 0, 0, 0, 
+    500, 284, 0, 7712, 286, 288, 0, 0, 0, 0, 486, 0, 0, 0, 0, 0, 290, 0, 0, 
+    292, 0, 0, 0, 7714, 7718, 0, 0, 0, 542, 0, 7716, 0, 0, 0, 7720, 0, 0, 
+    7722, 0, 0, 0, 0, 0, 204, 205, 206, 296, 298, 300, 304, 207, 7880, 0, 0, 
+    463, 520, 522, 0, 0, 0, 7882, 302, 0, 0, 7724, 0, 0, 308, 0, 0, 0, 0, 
+    7728, 0, 488, 0, 0, 0, 0, 0, 7730, 0, 0, 0, 310, 7732, 0, 0, 0, 0, 313, 
+    0, 0, 0, 0, 0, 317, 0, 7734, 0, 0, 0, 315, 0, 7740, 0, 0, 7738, 0, 0, 0, 
+    0, 7742, 7744, 0, 0, 0, 0, 0, 0, 7746, 504, 323, 0, 209, 0, 0, 7748, 0, 
+    0, 0, 0, 327, 0, 7750, 0, 0, 0, 325, 0, 7754, 0, 0, 7752, 0, 0, 0, 210, 
+    211, 212, 213, 332, 334, 558, 214, 7886, 0, 336, 465, 524, 526, 0, 0, 
+    416, 7884, 490, 0, 0, 0, 0, 7764, 0, 0, 0, 0, 7766, 0, 0, 0, 0, 340, 
+    7768, 0, 0, 0, 0, 344, 528, 530, 0, 0, 0, 7770, 0, 0, 0, 342, 7774, 0, 0, 
+    0, 0, 346, 348, 0, 0, 0, 7776, 0, 0, 0, 0, 352, 0, 7778, 0, 0, 536, 350, 
+    0, 0, 7786, 0, 0, 0, 0, 356, 0, 0, 0, 0, 0, 7788, 0, 0, 538, 354, 0, 
+    7792, 0, 0, 7790, 0, 0, 0, 217, 218, 219, 360, 362, 364, 0, 220, 7910, 
+    366, 368, 467, 532, 534, 0, 0, 431, 7908, 7794, 0, 0, 0, 370, 7798, 0, 
+    7796, 0, 0, 0, 7804, 0, 0, 0, 0, 0, 7806, 7808, 7810, 372, 0, 0, 0, 7814, 
+    7812, 0, 7816, 0, 0, 7818, 7820, 0, 0, 7922, 221, 374, 7928, 562, 0, 
+    7822, 376, 7926, 0, 0, 0, 0, 7924, 0, 0, 0, 0, 0, 377, 7824, 0, 0, 0, 
+    379, 0, 0, 0, 0, 381, 0, 0, 0, 0, 0, 7826, 7828, 0, 0, 0, 224, 225, 226, 
+    227, 257, 259, 551, 228, 7843, 229, 0, 462, 513, 515, 0, 0, 0, 7841, 0, 
+    7681, 0, 0, 261, 0, 7683, 0, 0, 0, 0, 0, 0, 7685, 7687, 0, 0, 0, 0, 263, 
+    265, 0, 0, 0, 267, 0, 0, 0, 0, 269, 0, 231, 0, 0, 7691, 0, 0, 0, 0, 271, 
+    0, 0, 0, 0, 0, 7693, 0, 0, 0, 7697, 0, 7699, 0, 0, 7695, 0, 0, 0, 232, 
+    233, 234, 7869, 275, 277, 279, 235, 7867, 0, 0, 283, 517, 519, 0, 0, 0, 
+    7865, 0, 0, 0, 553, 281, 7705, 0, 7707, 0, 0, 7711, 0, 0, 0, 0, 501, 285, 
+    0, 7713, 287, 289, 0, 0, 0, 0, 487, 0, 291, 0, 0, 293, 0, 0, 0, 7715, 
+    7719, 0, 0, 0, 543, 0, 0, 0, 0, 0, 7717, 0, 0, 0, 7721, 0, 0, 7723, 0, 
+    7830, 0, 0, 0, 236, 237, 238, 297, 299, 301, 0, 239, 7881, 0, 0, 464, 
+    521, 523, 0, 0, 0, 7883, 0, 0, 0, 0, 303, 0, 0, 7725, 0, 0, 309, 0, 0, 0, 
+    0, 496, 0, 0, 0, 7729, 0, 0, 0, 0, 0, 489, 0, 7731, 0, 0, 0, 311, 0, 0, 
+    0, 0, 7733, 0, 0, 0, 0, 314, 0, 318, 0, 0, 0, 0, 0, 7735, 0, 0, 0, 316, 
+    0, 7741, 0, 0, 7739, 0, 0, 0, 0, 7743, 0, 0, 0, 0, 7745, 0, 0, 7747, 0, 
+    0, 0, 0, 505, 324, 0, 241, 0, 0, 7749, 0, 0, 0, 0, 328, 0, 0, 0, 0, 0, 
+    7751, 0, 0, 0, 326, 0, 7755, 0, 0, 7753, 0, 0, 0, 242, 243, 244, 245, 
+    333, 335, 559, 246, 7887, 0, 337, 466, 525, 527, 0, 0, 417, 7885, 0, 0, 
+    0, 0, 491, 0, 0, 0, 0, 7765, 7767, 0, 0, 0, 0, 341, 0, 0, 0, 0, 7769, 0, 
+    0, 0, 0, 345, 529, 531, 0, 0, 0, 7771, 0, 0, 0, 343, 0, 0, 0, 0, 7775, 0, 
+    0, 0, 0, 347, 349, 0, 0, 0, 7777, 0, 0, 0, 0, 353, 0, 0, 0, 0, 0, 7779, 
+    0, 0, 537, 351, 0, 0, 7787, 7831, 0, 0, 0, 357, 0, 7789, 0, 0, 539, 355, 
+    0, 7793, 0, 0, 7791, 0, 0, 0, 249, 250, 251, 361, 363, 365, 0, 252, 7911, 
+    367, 369, 468, 533, 535, 0, 0, 432, 7909, 7795, 0, 0, 0, 371, 7799, 0, 
+    7797, 0, 0, 0, 7805, 0, 7807, 0, 0, 0, 0, 7809, 7811, 373, 0, 0, 0, 7815, 
+    7813, 0, 7832, 0, 0, 0, 7817, 0, 0, 7819, 7821, 0, 0, 7923, 253, 375, 
+    7929, 563, 0, 7823, 255, 7927, 7833, 0, 0, 0, 7925, 0, 378, 7825, 0, 0, 
+    0, 380, 0, 0, 0, 0, 382, 0, 7827, 0, 0, 0, 0, 7829, 0, 0, 0, 8173, 901, 
+    0, 0, 8129, 0, 7846, 7844, 0, 7850, 7848, 0, 0, 0, 0, 0, 478, 0, 0, 506, 
+    0, 0, 0, 0, 0, 508, 0, 0, 482, 0, 0, 7688, 0, 0, 0, 0, 7872, 7870, 0, 
+    7876, 0, 0, 0, 0, 7874, 0, 0, 7726, 0, 0, 0, 0, 7890, 7888, 0, 7894, 0, 
+    0, 0, 0, 7892, 0, 0, 7756, 0, 0, 556, 0, 0, 7758, 0, 0, 554, 0, 0, 510, 
+    0, 0, 0, 0, 475, 471, 0, 0, 469, 0, 0, 473, 0, 0, 7847, 7845, 0, 7851, 
+    7849, 0, 0, 0, 0, 0, 479, 0, 0, 507, 0, 0, 0, 0, 0, 509, 0, 0, 483, 0, 0, 
+    7689, 0, 0, 0, 0, 7873, 7871, 0, 7877, 0, 0, 0, 0, 7875, 0, 0, 7727, 0, 
+    0, 0, 0, 7891, 7889, 0, 7895, 0, 0, 0, 0, 7893, 0, 0, 7757, 0, 0, 557, 0, 
+    0, 7759, 0, 0, 555, 0, 0, 511, 0, 0, 0, 0, 476, 472, 0, 0, 470, 0, 0, 
+    474, 0, 0, 7856, 7854, 0, 7860, 7858, 0, 0, 0, 0, 0, 7857, 7855, 0, 7861, 
+    0, 0, 0, 0, 7859, 0, 7700, 7702, 0, 0, 0, 0, 7701, 7703, 7760, 7762, 0, 
+    0, 0, 0, 7761, 7763, 0, 0, 7780, 0, 7781, 0, 0, 0, 0, 0, 7782, 0, 7783, 
+    0, 0, 0, 0, 7800, 0, 0, 0, 0, 0, 7801, 0, 0, 0, 7802, 0, 7803, 0, 0, 0, 
+    0, 7835, 0, 0, 0, 7900, 7898, 0, 7904, 0, 0, 0, 0, 7902, 0, 0, 0, 0, 
+    7906, 7901, 7899, 0, 7905, 7903, 0, 0, 0, 0, 7907, 0, 0, 0, 0, 7914, 
+    7912, 0, 7918, 0, 0, 0, 0, 7916, 0, 0, 0, 0, 7920, 7915, 7913, 0, 7919, 
+    7917, 0, 0, 0, 0, 7921, 0, 0, 0, 494, 0, 0, 492, 0, 0, 0, 0, 0, 493, 0, 
+    480, 0, 0, 0, 0, 0, 481, 0, 0, 7708, 0, 0, 0, 0, 0, 7709, 560, 0, 0, 0, 
+    0, 0, 561, 0, 0, 0, 0, 495, 0, 0, 8122, 902, 0, 0, 8121, 8120, 7944, 
+    7945, 0, 0, 0, 0, 0, 8124, 8136, 904, 0, 0, 0, 0, 7960, 7961, 0, 0, 8138, 
+    905, 7976, 7977, 0, 0, 0, 0, 0, 8140, 8154, 906, 0, 0, 8153, 8152, 0, 
+    938, 0, 0, 7992, 7993, 0, 0, 8184, 908, 8008, 8009, 0, 0, 0, 0, 0, 8172, 
+    0, 0, 8170, 910, 0, 0, 8169, 8168, 0, 939, 0, 0, 0, 8025, 0, 0, 8186, 
+    911, 0, 0, 0, 0, 8040, 8041, 0, 8188, 0, 0, 0, 0, 0, 8116, 0, 8132, 0, 0, 
+    0, 0, 8048, 940, 0, 0, 8113, 8112, 7936, 7937, 0, 0, 0, 0, 8118, 8115, 
+    8050, 941, 0, 0, 0, 0, 7952, 7953, 0, 0, 8052, 942, 7968, 7969, 0, 0, 0, 
+    0, 8134, 8131, 8054, 943, 0, 0, 8145, 8144, 0, 970, 0, 0, 7984, 7985, 
+    8150, 0, 0, 0, 0, 0, 8056, 972, 8000, 8001, 0, 0, 0, 0, 8164, 8165, 0, 0, 
+    8058, 973, 0, 0, 8161, 8160, 0, 971, 0, 0, 8016, 8017, 0, 0, 0, 0, 8166, 
+    0, 8060, 974, 0, 0, 0, 0, 8032, 8033, 8182, 8179, 0, 0, 0, 0, 8146, 912, 
+    0, 0, 8151, 0, 8162, 944, 0, 0, 8167, 0, 0, 0, 0, 0, 0, 8180, 0, 979, 0, 
+    0, 0, 0, 0, 980, 0, 1031, 0, 0, 0, 1232, 0, 1234, 0, 0, 0, 1027, 1024, 0, 
+    0, 0, 0, 1238, 0, 1025, 0, 0, 0, 1217, 0, 1244, 0, 0, 0, 0, 0, 1246, 0, 
+    0, 1037, 0, 0, 0, 1250, 1049, 0, 1252, 0, 0, 0, 1036, 0, 0, 0, 1254, 0, 
+    0, 1262, 1038, 0, 1264, 0, 0, 1266, 0, 0, 1268, 0, 0, 0, 0, 0, 1272, 0, 
+    1260, 0, 0, 0, 1233, 0, 1235, 0, 0, 0, 1107, 1104, 0, 0, 0, 0, 1239, 0, 
+    1105, 0, 0, 0, 1218, 0, 1245, 0, 0, 0, 0, 0, 1247, 0, 0, 1117, 0, 0, 0, 
+    1251, 1081, 0, 1253, 0, 0, 0, 1116, 0, 0, 0, 1255, 0, 0, 1263, 1118, 0, 
+    1265, 0, 0, 1267, 0, 0, 1269, 0, 0, 0, 0, 0, 1273, 0, 1261, 0, 0, 0, 0, 
+    0, 1111, 0, 0, 1142, 0, 1143, 0, 0, 0, 0, 1242, 0, 0, 0, 0, 0, 1243, 0, 
+    1258, 0, 0, 0, 0, 0, 1259, 1570, 1571, 1573, 0, 0, 0, 0, 1572, 0, 1574, 
+    0, 0, 0, 0, 0, 1730, 0, 1747, 0, 0, 0, 0, 0, 1728, 0, 0, 0, 2345, 0, 
+    2353, 0, 0, 0, 0, 0, 2356, 0, 0, 2507, 2508, 0, 0, 2891, 2888, 2892, 0, 
+    0, 0, 2964, 0, 0, 0, 0, 3018, 3020, 0, 0, 0, 0, 3019, 0, 0, 0, 3144, 0, 
+    0, 0, 3264, 3274, 3271, 3272, 0, 0, 0, 0, 3275, 0, 0, 0, 3402, 3404, 0, 
+    0, 0, 0, 3403, 0, 0, 0, 3546, 3548, 3550, 0, 0, 0, 3549, 4134, 0, 0, 0, 
+    0, 0, 0, 6918, 0, 6920, 0, 0, 0, 0, 0, 6922, 0, 6924, 0, 0, 0, 0, 0, 
+    6926, 0, 6930, 0, 0, 0, 0, 0, 6971, 0, 6973, 0, 0, 0, 0, 0, 6976, 0, 
+    6977, 0, 0, 0, 0, 0, 6979, 0, 0, 7736, 0, 7737, 0, 0, 0, 0, 0, 7772, 0, 
+    7773, 0, 0, 0, 7784, 0, 0, 0, 0, 0, 7785, 0, 7852, 0, 0, 7862, 0, 0, 
+    7853, 0, 0, 7863, 0, 0, 7878, 0, 0, 0, 0, 0, 7879, 0, 7896, 0, 0, 0, 0, 
+    0, 7897, 0, 0, 0, 7938, 7940, 0, 0, 7942, 8064, 7939, 7941, 0, 0, 7943, 
+    8065, 0, 0, 0, 0, 0, 8066, 0, 8067, 0, 0, 0, 0, 0, 8068, 0, 8069, 0, 0, 
+    0, 0, 0, 8070, 0, 8071, 0, 0, 0, 0, 7946, 7948, 0, 0, 7950, 8072, 7947, 
+    7949, 0, 0, 7951, 8073, 0, 0, 0, 0, 0, 8074, 0, 8075, 0, 0, 0, 0, 0, 
+    8076, 0, 8077, 0, 0, 0, 0, 0, 8078, 0, 8079, 0, 0, 0, 0, 7954, 7956, 
+    7955, 7957, 0, 0, 0, 0, 7962, 7964, 7963, 7965, 0, 0, 0, 0, 7970, 7972, 
+    0, 0, 7974, 8080, 7971, 7973, 0, 0, 7975, 8081, 0, 0, 0, 0, 0, 8082, 0, 
+    8083, 0, 0, 0, 0, 0, 8084, 0, 8085, 0, 0, 0, 0, 0, 8086, 0, 8087, 0, 0, 
+    0, 0, 7978, 7980, 0, 0, 7982, 8088, 7979, 7981, 0, 0, 7983, 8089, 0, 0, 
+    0, 0, 0, 8090, 0, 8091, 0, 0, 0, 0, 0, 8092, 0, 8093, 0, 0, 0, 0, 0, 
+    8094, 0, 8095, 0, 0, 0, 0, 7986, 7988, 0, 0, 7990, 0, 7987, 7989, 0, 0, 
+    7991, 0, 0, 0, 0, 0, 7994, 7996, 0, 0, 7998, 0, 7995, 7997, 0, 0, 7999, 
+    0, 0, 0, 0, 0, 8002, 8004, 8003, 8005, 0, 0, 0, 0, 8010, 8012, 8011, 
+    8013, 0, 0, 0, 0, 8018, 8020, 0, 0, 8022, 0, 8019, 8021, 0, 0, 8023, 0, 
+    0, 0, 0, 0, 8027, 8029, 0, 0, 8031, 0, 8034, 8036, 0, 0, 8038, 8096, 0, 
+    0, 0, 0, 8035, 8037, 0, 0, 8039, 8097, 0, 8098, 0, 0, 0, 0, 0, 8099, 0, 
+    8100, 0, 0, 0, 0, 0, 8101, 0, 8102, 0, 0, 0, 0, 0, 8103, 8042, 8044, 0, 
+    0, 8046, 8104, 0, 0, 0, 0, 8043, 8045, 0, 0, 8047, 8105, 0, 8106, 0, 0, 
+    0, 0, 0, 8107, 0, 8108, 0, 0, 0, 0, 0, 8109, 0, 8110, 0, 0, 0, 0, 0, 
+    8111, 0, 8114, 0, 0, 0, 0, 0, 8130, 0, 8178, 0, 0, 0, 0, 0, 8119, 8141, 
+    8142, 0, 0, 8143, 0, 0, 0, 0, 0, 0, 8135, 0, 8183, 0, 0, 0, 0, 8157, 
+    8158, 0, 0, 8159, 0, 0, 0, 0, 8602, 0, 8603, 0, 0, 0, 0, 0, 8622, 0, 
+    8653, 0, 0, 0, 0, 0, 8655, 0, 8654, 0, 0, 0, 0, 0, 8708, 0, 8713, 0, 0, 
+    0, 0, 0, 8716, 0, 8740, 0, 0, 0, 0, 0, 8742, 0, 8769, 0, 0, 0, 0, 0, 
+    8772, 0, 8775, 0, 0, 0, 0, 0, 8777, 0, 8813, 0, 0, 0, 0, 0, 8802, 0, 
+    8816, 0, 0, 0, 0, 0, 8817, 0, 8820, 0, 0, 0, 0, 0, 8821, 0, 8824, 0, 0, 
+    0, 0, 0, 8825, 0, 8832, 0, 0, 0, 0, 0, 8833, 0, 8928, 0, 0, 0, 0, 0, 
+    8929, 0, 8836, 0, 0, 0, 0, 0, 8837, 0, 8840, 0, 0, 0, 0, 0, 8841, 0, 
+    8930, 0, 0, 0, 0, 0, 8931, 0, 8876, 0, 0, 0, 0, 0, 8877, 0, 8878, 0, 0, 
+    0, 0, 0, 8879, 0, 8938, 0, 0, 0, 0, 0, 8939, 0, 8940, 0, 0, 0, 0, 0, 
+    8941, 0, 0, 12436, 0, 12364, 0, 0, 0, 0, 0, 12366, 0, 12368, 0, 0, 0, 0, 
+    0, 12370, 0, 12372, 0, 0, 0, 0, 0, 12374, 0, 12376, 0, 0, 0, 0, 0, 12378, 
+    0, 12380, 0, 0, 0, 0, 0, 12382, 0, 12384, 0, 0, 0, 0, 0, 12386, 0, 12389, 
+    0, 0, 0, 0, 0, 12391, 0, 12393, 0, 0, 0, 0, 0, 12400, 12401, 12403, 
+    12404, 0, 0, 0, 0, 12406, 12407, 12409, 12410, 0, 0, 0, 0, 12412, 12413, 
+    12446, 0, 0, 0, 0, 0, 12532, 0, 12460, 0, 0, 0, 0, 0, 12462, 0, 12464, 0, 
+    0, 0, 0, 0, 12466, 0, 12468, 0, 0, 0, 0, 0, 12470, 0, 12472, 0, 0, 0, 0, 
+    0, 12474, 0, 12476, 0, 0, 0, 0, 0, 12478, 0, 12480, 0, 0, 0, 0, 0, 12482, 
+    0, 12485, 0, 0, 0, 0, 0, 12487, 0, 12489, 0, 0, 0, 0, 0, 12496, 12497, 
+    12499, 12500, 0, 0, 0, 0, 12502, 12503, 12505, 12506, 0, 0, 0, 0, 12508, 
+    12509, 12535, 0, 0, 0, 0, 0, 12536, 0, 12537, 0, 0, 0, 0, 0, 12538, 0, 
+    12542, 0, 0, 0, 69786, 0, 0, 0, 0, 0, 69788, 0, 69803, 0, 0, 0, 0, 0, 0, 
+    69934, 0, 69935, 0, 0, 70475, 70476, 0, 0, 70844, 70843, 70846, 0, 0, 
+    71098, 0, 0, 0, 0, 0, 71099, 
 };
 
 static const change_record change_records_3_2_0[] = {
@@ -5210,73 +5674,74 @@ static const change_record change_records_3_2_0[] = {
 };
 static unsigned char changes_3_2_0_index[] = {
     0, 1, 2, 2, 3, 4, 5, 6, 2, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 
-    19, 20, 21, 22, 23, 24, 2, 2, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 
-    36, 2, 2, 2, 37, 38, 2, 39, 2, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 
-    50, 2, 51, 2, 2, 52, 53, 54, 55, 56, 2, 57, 58, 59, 60, 2, 2, 61, 62, 63, 
-    64, 65, 65, 2, 2, 2, 2, 66, 2, 67, 68, 69, 70, 71, 2, 2, 2, 72, 73, 74, 
-    75, 76, 77, 78, 79, 80, 81, 2, 2, 2, 2, 2, 2, 82, 2, 2, 2, 2, 2, 83, 2, 
+    19, 20, 21, 22, 23, 24, 25, 2, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 
+    36, 37, 2, 2, 2, 38, 39, 2, 40, 2, 41, 42, 43, 44, 45, 46, 47, 48, 49, 
+    50, 51, 2, 52, 2, 2, 53, 54, 55, 56, 57, 2, 58, 59, 60, 61, 2, 2, 62, 63, 
+    64, 65, 66, 66, 2, 2, 2, 2, 67, 68, 69, 70, 71, 72, 73, 2, 2, 2, 74, 75, 
+    76, 77, 78, 79, 80, 81, 82, 83, 2, 2, 2, 2, 2, 2, 84, 2, 2, 2, 2, 2, 85, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 84, 2, 85, 2, 2, 2, 2, 2, 2, 2, 2, 86, 
-    87, 2, 2, 2, 2, 2, 2, 2, 88, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 89, 90, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 86, 2, 87, 2, 2, 2, 2, 2, 2, 2, 2, 
+    88, 89, 2, 2, 2, 2, 2, 2, 2, 90, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 91, 
+    92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 93, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 91, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 94, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 95, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 96, 97, 2, 2, 2, 2, 2, 2, 2, 2, 98, 50, 50, 
+    99, 100, 50, 101, 102, 103, 104, 105, 106, 107, 108, 109, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 92, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 93, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 94, 95, 2, 2, 2, 2, 2, 2, 2, 2, 96, 49, 49, 
-    97, 98, 49, 99, 100, 101, 102, 103, 104, 105, 106, 107, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 110, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 108, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 111, 112, 113, 114, 115, 116, 2, 2, 117, 118, 119, 2, 120, 
+    121, 122, 123, 124, 125, 2, 126, 127, 128, 129, 130, 131, 2, 50, 50, 132, 
+    2, 133, 134, 135, 136, 137, 138, 139, 140, 141, 2, 2, 2, 142, 2, 2, 2, 
+    143, 144, 145, 146, 147, 148, 149, 2, 2, 150, 2, 151, 152, 153, 2, 2, 2, 
+    154, 2, 2, 2, 155, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 50, 50, 50, 50, 50, 50, 
+    50, 156, 157, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 50, 50, 50, 50, 50, 50, 50, 50, 158, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 109, 110, 111, 112, 113, 114, 2, 2, 2, 115, 116, 2, 117, 118, 
-    119, 120, 121, 122, 2, 123, 124, 125, 126, 127, 2, 2, 2, 2, 2, 2, 128, 2, 
-    129, 130, 131, 2, 132, 2, 133, 2, 2, 2, 134, 2, 2, 2, 135, 136, 137, 138, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 139, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 49, 49, 49, 49, 49, 49, 140, 2, 141, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 49, 49, 49, 49, 49, 49, 49, 
-    49, 142, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 50, 50, 
+    50, 50, 159, 160, 161, 162, 2, 2, 2, 2, 2, 2, 163, 164, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 49, 49, 49, 49, 143, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 144, 145, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 146, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 165, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 166, 167, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 168, 2, 
+    169, 2, 170, 2, 2, 171, 2, 2, 2, 172, 173, 174, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    50, 175, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 176, 177, 2, 2, 178, 179, 180, 
+    181, 182, 2, 183, 184, 50, 185, 186, 187, 188, 189, 190, 191, 192, 193, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 194, 195, 95, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 84, 196, 2, 197, 198, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 147, 2, 148, 2, 149, 2, 2, 150, 2, 2, 2, 151, 152, 
-    153, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 154, 155, 
-    2, 2, 156, 157, 158, 159, 160, 2, 161, 162, 163, 164, 165, 166, 167, 148, 
-    168, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 169, 170, 93, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 82, 171, 2, 172, 173, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 199, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 200, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 201, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 174, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 175, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 176, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 202, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 177, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 49, 49, 49, 
-    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 
-    49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 178, 49, 179, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 50, 50, 50, 50, 50, 50, 50, 
+    50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 
+    50, 50, 50, 50, 50, 50, 50, 203, 50, 204, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 199, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 174, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
@@ -5511,7 +5976,7 @@ static unsigned char changes_3_2_0_index[] = {
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 49, 180, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 2, 50, 205, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
@@ -5575,7 +6040,7 @@ static unsigned char changes_3_2_0_index[] = {
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+    2, 2, 2, 2, 2, 2, 
 };
 
 static unsigned char changes_3_2_0_data[] = {
@@ -5611,7 +6076,7 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 10, 0, 9, 9, 0, 0, 0, 9, 9, 
-    9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -5623,16 +6088,16 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 
     9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 0, 9, 0, 9, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 
     9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -5660,16 +6125,16 @@ static unsigned char changes_3_2_0_data[] = {
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 9, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 
     9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -5696,18 +6161,18 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 
     0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 20, 0, 0, 0, 0, 0, 0, 20, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 9, 0, 0, 0, 0, 0, 0, 
     9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -5716,64 +6181,67 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 21, 21, 21, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 21, 21, 21, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
-    0, 0, 0, 0, 0, 9, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 9, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
-    0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 
-    0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 9, 9, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 0, 0, 0, 
-    0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
+    9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 22, 23, 
-    24, 25, 26, 27, 28, 29, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 0, 
+    0, 0, 0, 0, 0, 0, 22, 23, 24, 25, 26, 27, 28, 29, 30, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -5781,66 +6249,68 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 21, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 31, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 9, 0, 0, 0, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
+    9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 
+    9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 9, 9, 9, 
+    9, 9, 9, 9, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
+    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
-    9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 9, 0, 0, 0, 0, 0, 0, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
@@ -5850,124 +6320,130 @@ static unsigned char changes_3_2_0_data[] = {
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 33, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 9, 0, 9, 9, 9, 
-    9, 0, 0, 0, 0, 0, 0, 35, 4, 0, 0, 36, 37, 38, 39, 40, 41, 1, 1, 0, 0, 0, 
-    4, 35, 8, 6, 7, 36, 37, 38, 39, 40, 41, 1, 1, 0, 0, 0, 0, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 33, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 9, 0, 
+    0, 0, 0, 0, 9, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 35, 4, 0, 0, 36, 37, 38, 
+    39, 40, 41, 1, 1, 0, 0, 0, 4, 35, 8, 6, 7, 36, 37, 38, 39, 40, 41, 1, 1, 
+    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
     9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 0, 
+    0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 43, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 44, 44, 44, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 44, 44, 44, 44, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    45, 46, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 46, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 47, 47, 47, 47, 47, 47, 47, 
     47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 
-    47, 47, 47, 47, 47, 47, 47, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 9, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 9, 0, 0, 0, 0, 9, 9, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 9, 0, 9, 0, 0, 0, 0, 9, 9, 9, 0, 9, 0, 0, 0, 0, 0, 0, 
-    0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 9, 0, 0, 0, 0, 9, 9, 9, 
+    0, 9, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 
-    9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 34, 34, 34, 34, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
     34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
     34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
     34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
     34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
     34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
     34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 
-    34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 9, 9, 9, 9, 
+    34, 34, 34, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 
+    0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 
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@@ -5975,84 +6451,83 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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-    0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 
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     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
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-    0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 
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+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 
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+    19, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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+    0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
@@ -6061,493 +6536,616 @@ static unsigned char changes_3_2_0_data[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
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     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
+    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 
+    9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 
+    0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
     9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
-    9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
 };
 
 static const change_record* get_change_3_2_0(Py_UCS4 n)
diff --git a/Modules/unicodename_db.h b/Modules/unicodename_db.h
index 7ccb126..dd05f85 100644
--- a/Modules/unicodename_db.h
+++ b/Modules/unicodename_db.h
@@ -4,76 +4,75 @@
 
 /* lexicon */
 static unsigned char lexicon[] = {
-    76, 69, 84, 84, 69, 210, 87, 73, 84, 200, 83, 89, 76, 76, 65, 66, 76, 
-    197, 83, 77, 65, 76, 204, 83, 73, 71, 206, 67, 65, 80, 73, 84, 65, 204, 
-    76, 65, 84, 73, 206, 89, 201, 65, 82, 65, 66, 73, 195, 67, 74, 203, 77, 
+    76, 69, 84, 84, 69, 210, 87, 73, 84, 200, 83, 73, 71, 206, 83, 89, 76, 
+    76, 65, 66, 76, 197, 83, 77, 65, 76, 204, 67, 65, 80, 73, 84, 65, 204, 
+    76, 65, 84, 73, 206, 65, 82, 65, 66, 73, 195, 89, 201, 67, 74, 203, 77, 
     65, 84, 72, 69, 77, 65, 84, 73, 67, 65, 204, 69, 71, 89, 80, 84, 73, 65, 
-    206, 72, 73, 69, 82, 79, 71, 76, 89, 80, 200, 67, 79, 77, 80, 65, 84, 73, 
-    66, 73, 76, 73, 84, 217, 67, 85, 78, 69, 73, 70, 79, 82, 205, 83, 89, 77, 
-    66, 79, 204, 70, 79, 82, 77, 128, 67, 65, 78, 65, 68, 73, 65, 206, 83, 
-    89, 76, 76, 65, 66, 73, 67, 211, 66, 65, 77, 85, 205, 68, 73, 71, 73, 
-    212, 65, 78, 196, 66, 79, 76, 196, 72, 65, 78, 71, 85, 204, 86, 79, 87, 
-    69, 204, 71, 82, 69, 69, 203, 76, 73, 71, 65, 84, 85, 82, 197, 77, 85, 
-    83, 73, 67, 65, 204, 69, 84, 72, 73, 79, 80, 73, 195, 84, 73, 77, 69, 
-    211, 70, 79, 210, 73, 84, 65, 76, 73, 195, 67, 89, 82, 73, 76, 76, 73, 
-    195, 82, 65, 68, 73, 67, 65, 204, 83, 65, 78, 83, 45, 83, 69, 82, 73, 
-    198, 84, 65, 77, 73, 204, 67, 73, 82, 67, 76, 69, 196, 67, 79, 77, 66, 
-    73, 78, 73, 78, 199, 84, 65, 201, 70, 73, 78, 65, 204, 86, 65, 201, 83, 
-    81, 85, 65, 82, 197, 76, 69, 70, 212, 82, 73, 71, 72, 212, 86, 65, 82, 
-    73, 65, 84, 73, 79, 206, 66, 82, 65, 73, 76, 76, 197, 80, 65, 84, 84, 69, 
-    82, 206, 65, 66, 79, 86, 69, 128, 66, 89, 90, 65, 78, 84, 73, 78, 197, 
-    83, 73, 71, 78, 128, 66, 69, 76, 79, 87, 128, 68, 79, 85, 66, 76, 197, 
-    73, 83, 79, 76, 65, 84, 69, 196, 78, 85, 77, 66, 69, 210, 75, 65, 84, 65, 
-    75, 65, 78, 193, 194, 77, 79, 68, 73, 70, 73, 69, 210, 68, 79, 212, 75, 
-    65, 78, 71, 88, 201, 65, 128, 76, 73, 78, 69, 65, 210, 84, 73, 66, 69, 
-    84, 65, 206, 79, 198, 73, 78, 73, 84, 73, 65, 204, 77, 69, 69, 205, 86, 
-    69, 82, 84, 73, 67, 65, 204, 77, 89, 65, 78, 77, 65, 210, 85, 128, 75, 
-    72, 77, 69, 210, 87, 72, 73, 84, 197, 65, 66, 79, 86, 197, 67, 65, 82, 
-    82, 73, 69, 210, 73, 128, 65, 82, 82, 79, 87, 128, 89, 69, 200, 79, 128, 
-    77, 65, 82, 75, 128, 65, 82, 82, 79, 215, 67, 79, 80, 84, 73, 195, 80, 
-    72, 65, 83, 69, 45, 197, 77, 79, 78, 71, 79, 76, 73, 65, 206, 68, 69, 86, 
-    65, 78, 65, 71, 65, 82, 201, 66, 76, 65, 67, 203, 84, 73, 76, 197, 83, 
-    89, 77, 66, 79, 76, 128, 80, 65, 82, 69, 78, 84, 72, 69, 83, 73, 90, 69, 
-    196, 84, 72, 65, 205, 74, 79, 78, 71, 83, 69, 79, 78, 199, 83, 84, 82, 
-    79, 75, 69, 128, 83, 81, 85, 65, 82, 69, 196, 66, 79, 216, 72, 69, 66, 
-    82, 69, 215, 77, 73, 65, 207, 80, 76, 85, 211, 82, 73, 71, 72, 84, 87, 
-    65, 82, 68, 211, 71, 69, 79, 82, 71, 73, 65, 206, 68, 82, 65, 87, 73, 78, 
-    71, 211, 67, 72, 79, 83, 69, 79, 78, 199, 72, 65, 76, 70, 87, 73, 68, 84, 
-    200, 66, 65, 76, 73, 78, 69, 83, 197, 72, 79, 79, 75, 128, 213, 84, 87, 
-    79, 128, 73, 68, 69, 79, 71, 82, 65, 205, 80, 72, 65, 83, 69, 45, 196, 
-    65, 76, 67, 72, 69, 77, 73, 67, 65, 204, 65, 76, 69, 198, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 73, 195, 79, 78, 69, 128, 84, 79, 128, 84, 87, 207, 
-    72, 69, 65, 86, 217, 79, 86, 69, 210, 67, 79, 78, 83, 79, 78, 65, 78, 
-    212, 66, 82, 65, 72, 77, 201, 83, 67, 82, 73, 80, 212, 85, 208, 76, 79, 
-    215, 72, 65, 200, 79, 78, 197, 68, 79, 87, 206, 72, 73, 71, 200, 70, 85, 
-    76, 76, 87, 73, 68, 84, 200, 66, 82, 65, 67, 75, 69, 84, 128, 69, 81, 85, 
-    65, 204, 84, 65, 199, 66, 65, 82, 128, 68, 79, 77, 73, 78, 207, 78, 85, 
-    77, 69, 82, 73, 195, 70, 82, 65, 75, 84, 85, 210, 84, 72, 82, 69, 197, 
-    67, 72, 65, 82, 65, 67, 84, 69, 210, 77, 65, 76, 65, 89, 65, 76, 65, 205, 
-    80, 72, 65, 83, 69, 45, 195, 84, 79, 78, 197, 68, 79, 85, 66, 76, 69, 45, 
-    83, 84, 82, 85, 67, 203, 76, 69, 70, 84, 87, 65, 82, 68, 211, 72, 73, 82, 
-    65, 71, 65, 78, 193, 65, 67, 85, 84, 69, 128, 74, 85, 78, 71, 83, 69, 79, 
-    78, 199, 71, 76, 65, 71, 79, 76, 73, 84, 73, 195, 66, 69, 78, 71, 65, 76, 
-    201, 77, 69, 68, 73, 65, 204, 84, 69, 76, 85, 71, 213, 86, 79, 67, 65, 
-    76, 73, 195, 65, 82, 77, 69, 78, 73, 65, 206, 74, 69, 69, 205, 78, 69, 
-    71, 65, 84, 73, 86, 197, 73, 68, 69, 79, 71, 82, 65, 80, 200, 74, 65, 86, 
-    65, 78, 69, 83, 197, 79, 82, 73, 89, 193, 84, 72, 82, 69, 69, 128, 87, 
-    69, 83, 84, 45, 67, 82, 69, 197, 70, 79, 85, 82, 128, 72, 65, 128, 72, 
-    65, 76, 198, 77, 65, 82, 203, 75, 65, 78, 78, 65, 68, 193, 78, 69, 215, 
-    80, 72, 65, 83, 69, 45, 193, 84, 72, 65, 201, 67, 72, 69, 82, 79, 75, 69, 
-    197, 68, 79, 84, 211, 71, 85, 74, 65, 82, 65, 84, 201, 67, 72, 65, 205, 
-    76, 85, 197, 83, 72, 65, 82, 65, 68, 193, 83, 73, 78, 72, 65, 76, 193, 
-    75, 65, 128, 82, 85, 78, 73, 195, 83, 65, 85, 82, 65, 83, 72, 84, 82, 
-    193, 84, 69, 84, 82, 65, 71, 82, 65, 205, 68, 69, 83, 69, 82, 69, 212, 
-    72, 65, 77, 90, 193, 83, 89, 82, 73, 65, 195, 84, 73, 76, 68, 69, 128, 
-    71, 85, 82, 77, 85, 75, 72, 201, 77, 65, 128, 77, 65, 89, 69, 203, 77, 
-    69, 69, 84, 69, 201, 78, 79, 84, 65, 84, 73, 79, 206, 70, 73, 86, 69, 
-    128, 80, 65, 128, 89, 65, 128, 76, 73, 71, 72, 212, 83, 73, 88, 128, 69, 
-    73, 71, 72, 84, 128, 76, 69, 80, 67, 72, 193, 78, 65, 128, 83, 69, 86, 
-    69, 78, 128, 76, 79, 78, 199, 78, 73, 78, 69, 128, 84, 85, 82, 75, 73, 
-    195, 72, 79, 82, 73, 90, 79, 78, 84, 65, 204, 79, 80, 69, 206, 82, 65, 
-    128, 83, 65, 128, 83, 85, 78, 68, 65, 78, 69, 83, 197, 86, 73, 69, 212, 
-    76, 65, 207, 90, 90, 89, 88, 128, 90, 90, 89, 84, 128, 90, 90, 89, 82, 
+    206, 72, 73, 69, 82, 79, 71, 76, 89, 80, 200, 67, 85, 78, 69, 73, 70, 79, 
+    82, 205, 67, 79, 77, 80, 65, 84, 73, 66, 73, 76, 73, 84, 217, 83, 89, 77, 
+    66, 79, 204, 70, 79, 82, 77, 128, 68, 73, 71, 73, 212, 67, 65, 78, 65, 
+    68, 73, 65, 206, 83, 89, 76, 76, 65, 66, 73, 67, 211, 66, 65, 77, 85, 
+    205, 86, 79, 87, 69, 204, 65, 78, 196, 66, 79, 76, 196, 72, 65, 78, 71, 
+    85, 204, 76, 73, 78, 69, 65, 210, 71, 82, 69, 69, 203, 76, 73, 71, 65, 
+    84, 85, 82, 197, 84, 73, 77, 69, 211, 77, 85, 83, 73, 67, 65, 204, 69, 
+    84, 72, 73, 79, 80, 73, 195, 193, 70, 79, 210, 67, 89, 82, 73, 76, 76, 
+    73, 195, 73, 84, 65, 76, 73, 195, 67, 79, 77, 66, 73, 78, 73, 78, 199, 
+    82, 65, 68, 73, 67, 65, 204, 83, 65, 78, 83, 45, 83, 69, 82, 73, 198, 67, 
+    73, 82, 67, 76, 69, 196, 84, 65, 77, 73, 204, 84, 65, 201, 70, 73, 78, 
+    65, 204, 78, 85, 77, 66, 69, 210, 65, 82, 82, 79, 87, 128, 86, 65, 201, 
+    76, 69, 70, 212, 82, 73, 71, 72, 212, 83, 81, 85, 65, 82, 197, 68, 79, 
+    85, 66, 76, 197, 65, 82, 82, 79, 215, 65, 66, 79, 86, 69, 128, 83, 73, 
+    71, 78, 128, 86, 65, 82, 73, 65, 84, 73, 79, 206, 66, 69, 76, 79, 87, 
+    128, 66, 82, 65, 73, 76, 76, 197, 80, 65, 84, 84, 69, 82, 206, 66, 89, 
+    90, 65, 78, 84, 73, 78, 197, 87, 72, 73, 84, 197, 66, 76, 65, 67, 203, 
+    73, 83, 79, 76, 65, 84, 69, 196, 65, 128, 194, 75, 65, 84, 65, 75, 65, 
+    78, 193, 77, 79, 68, 73, 70, 73, 69, 210, 77, 89, 65, 78, 77, 65, 210, 
+    68, 79, 212, 75, 65, 78, 71, 88, 201, 75, 73, 75, 65, 75, 85, 201, 77, 
+    69, 78, 68, 197, 85, 128, 84, 73, 66, 69, 84, 65, 206, 79, 198, 73, 128, 
+    79, 128, 72, 69, 65, 86, 217, 73, 78, 73, 84, 73, 65, 204, 86, 69, 82, 
+    84, 73, 67, 65, 204, 77, 69, 69, 205, 67, 79, 80, 84, 73, 195, 75, 72, 
+    77, 69, 210, 77, 65, 82, 75, 128, 65, 66, 79, 86, 197, 67, 65, 82, 82, 
+    73, 69, 210, 82, 73, 71, 72, 84, 87, 65, 82, 68, 211, 89, 69, 200, 80, 
+    72, 65, 83, 69, 45, 197, 68, 69, 86, 65, 78, 65, 71, 65, 82, 201, 77, 79, 
+    78, 71, 79, 76, 73, 65, 206, 83, 84, 82, 79, 75, 69, 128, 76, 69, 70, 84, 
+    87, 65, 82, 68, 211, 83, 89, 77, 66, 79, 76, 128, 84, 73, 76, 197, 68, 
+    85, 80, 76, 79, 89, 65, 206, 66, 79, 216, 80, 65, 82, 69, 78, 84, 72, 69, 
+    83, 73, 90, 69, 196, 83, 81, 85, 65, 82, 69, 196, 84, 72, 65, 205, 74, 
+    79, 78, 71, 83, 69, 79, 78, 199, 80, 76, 85, 211, 79, 78, 69, 128, 72, 
+    69, 66, 82, 69, 215, 77, 73, 65, 207, 84, 87, 79, 128, 213, 67, 79, 78, 
+    83, 79, 78, 65, 78, 212, 71, 69, 79, 82, 71, 73, 65, 206, 72, 79, 79, 75, 
+    128, 68, 82, 65, 87, 73, 78, 71, 211, 72, 77, 79, 78, 199, 80, 65, 72, 
+    65, 87, 200, 67, 72, 79, 83, 69, 79, 78, 199, 76, 79, 215, 86, 79, 67, 
+    65, 76, 73, 195, 72, 65, 76, 70, 87, 73, 68, 84, 200, 66, 65, 76, 73, 78, 
+    69, 83, 197, 84, 87, 207, 79, 78, 197, 85, 208, 83, 67, 82, 73, 80, 212, 
+    73, 68, 69, 79, 71, 82, 65, 205, 80, 72, 65, 83, 69, 45, 196, 84, 79, 
+    128, 65, 76, 67, 72, 69, 77, 73, 67, 65, 204, 65, 76, 69, 198, 72, 73, 
+    71, 200, 73, 68, 69, 79, 71, 82, 65, 80, 72, 73, 195, 84, 72, 82, 69, 
+    197, 68, 79, 87, 206, 79, 86, 69, 210, 83, 73, 78, 72, 65, 76, 193, 78, 
+    85, 77, 69, 82, 73, 195, 66, 65, 82, 128, 84, 79, 78, 197, 66, 82, 65, 
+    72, 77, 201, 66, 65, 82, 194, 70, 79, 85, 82, 128, 72, 65, 200, 77, 65, 
+    82, 203, 84, 72, 82, 69, 69, 128, 78, 79, 82, 84, 200, 70, 85, 76, 76, 
+    87, 73, 68, 84, 200, 66, 82, 65, 67, 75, 69, 84, 128, 69, 81, 85, 65, 
+    204, 76, 73, 71, 72, 212, 84, 65, 199, 68, 79, 77, 73, 78, 207, 76, 79, 
+    78, 199, 65, 67, 85, 84, 69, 128, 70, 82, 65, 75, 84, 85, 210, 72, 65, 
+    128, 77, 65, 76, 65, 89, 65, 76, 65, 205, 67, 72, 65, 82, 65, 67, 84, 69, 
+    210, 80, 72, 65, 83, 69, 45, 195, 68, 79, 85, 66, 76, 69, 45, 83, 84, 82, 
+    85, 67, 203, 72, 65, 76, 198, 72, 73, 82, 65, 71, 65, 78, 193, 74, 85, 
+    78, 71, 83, 69, 79, 78, 199, 84, 69, 76, 85, 71, 213, 65, 82, 77, 69, 78, 
+    73, 65, 206, 66, 69, 78, 71, 65, 76, 201, 71, 76, 65, 71, 79, 76, 73, 84, 
+    73, 195, 85, 80, 87, 65, 82, 68, 211, 70, 73, 86, 69, 128, 77, 69, 68, 
+    73, 65, 204, 78, 69, 71, 65, 84, 73, 86, 197, 74, 69, 69, 205, 75, 65, 
+    128, 68, 79, 87, 78, 87, 65, 82, 68, 211, 73, 68, 69, 79, 71, 82, 65, 80, 
+    200, 74, 65, 86, 65, 78, 69, 83, 197, 68, 79, 84, 211, 79, 82, 73, 89, 
+    193, 80, 65, 128, 87, 69, 83, 84, 45, 67, 82, 69, 197, 82, 85, 78, 73, 
+    195, 83, 128, 75, 65, 78, 78, 65, 68, 193, 83, 73, 88, 128, 77, 65, 128, 
+    78, 69, 215, 80, 72, 65, 83, 69, 45, 193, 83, 79, 85, 84, 200, 84, 72, 
+    65, 201, 89, 65, 128, 67, 65, 82, 196, 67, 72, 69, 82, 79, 75, 69, 197, 
+    69, 73, 71, 72, 84, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 204, 83, 69, 
+    86, 69, 78, 128, 83, 72, 65, 82, 65, 68, 193, 67, 73, 84, 201, 71, 85, 
+    74, 65, 82, 65, 84, 201, 78, 65, 128, 78, 73, 78, 69, 128, 84, 85, 82, 
+    78, 69, 196, 87, 65, 82, 65, 78, 199, 67, 72, 65, 205, 71, 82, 65, 78, 
+    84, 72, 193, 90, 90, 89, 88, 128, 90, 90, 89, 84, 128, 90, 90, 89, 82, 
     88, 128, 90, 90, 89, 82, 128, 90, 90, 89, 80, 128, 90, 90, 89, 65, 128, 
     90, 90, 89, 128, 90, 90, 85, 88, 128, 90, 90, 85, 82, 88, 128, 90, 90, 
     85, 82, 128, 90, 90, 85, 80, 128, 90, 90, 85, 128, 90, 90, 83, 89, 65, 
@@ -84,181 +83,192 @@ static unsigned char lexicon[] = {
     90, 69, 80, 128, 90, 90, 69, 69, 128, 90, 90, 69, 128, 90, 90, 65, 88, 
     128, 90, 90, 65, 84, 128, 90, 90, 65, 80, 128, 90, 90, 65, 65, 128, 90, 
     90, 65, 128, 90, 89, 71, 79, 83, 128, 90, 87, 83, 80, 128, 90, 87, 78, 
-    74, 128, 90, 87, 78, 66, 83, 80, 128, 90, 87, 74, 128, 90, 87, 65, 82, 
-    65, 75, 65, 89, 128, 90, 87, 65, 128, 90, 85, 84, 128, 90, 85, 79, 88, 
-    128, 90, 85, 79, 80, 128, 90, 85, 79, 128, 90, 85, 77, 128, 90, 85, 66, 
-    85, 82, 128, 90, 85, 53, 128, 90, 85, 181, 90, 83, 72, 65, 128, 90, 82, 
-    65, 128, 90, 81, 65, 80, 72, 193, 90, 79, 84, 128, 90, 79, 79, 128, 90, 
-    79, 65, 128, 90, 76, 65, 77, 193, 90, 76, 65, 128, 90, 76, 193, 90, 74, 
-    69, 128, 90, 73, 90, 50, 128, 90, 73, 81, 65, 65, 128, 90, 73, 78, 79, 
-    82, 128, 90, 73, 76, 68, 69, 128, 90, 73, 71, 90, 65, 199, 90, 73, 71, 
-    128, 90, 73, 68, 193, 90, 73, 66, 128, 90, 73, 194, 90, 73, 51, 128, 90, 
-    201, 90, 72, 89, 88, 128, 90, 72, 89, 84, 128, 90, 72, 89, 82, 88, 128, 
-    90, 72, 89, 82, 128, 90, 72, 89, 80, 128, 90, 72, 89, 128, 90, 72, 87, 
-    69, 128, 90, 72, 87, 65, 128, 90, 72, 85, 88, 128, 90, 72, 85, 84, 128, 
-    90, 72, 85, 82, 88, 128, 90, 72, 85, 82, 128, 90, 72, 85, 80, 128, 90, 
-    72, 85, 79, 88, 128, 90, 72, 85, 79, 80, 128, 90, 72, 85, 79, 128, 90, 
-    72, 85, 128, 90, 72, 79, 88, 128, 90, 72, 79, 84, 128, 90, 72, 79, 80, 
-    128, 90, 72, 79, 79, 128, 90, 72, 79, 128, 90, 72, 73, 86, 69, 84, 69, 
-    128, 90, 72, 73, 128, 90, 72, 69, 88, 128, 90, 72, 69, 84, 128, 90, 72, 
-    69, 80, 128, 90, 72, 69, 69, 128, 90, 72, 69, 128, 90, 72, 197, 90, 72, 
-    65, 88, 128, 90, 72, 65, 84, 128, 90, 72, 65, 82, 128, 90, 72, 65, 80, 
-    128, 90, 72, 65, 73, 78, 128, 90, 72, 65, 65, 128, 90, 72, 65, 128, 90, 
-    72, 128, 90, 69, 84, 65, 128, 90, 69, 82, 79, 128, 90, 69, 82, 207, 90, 
-    69, 78, 128, 90, 69, 77, 76, 89, 65, 128, 90, 69, 77, 76, 74, 65, 128, 
-    90, 69, 50, 128, 90, 197, 90, 65, 89, 78, 128, 90, 65, 89, 73, 78, 128, 
-    90, 65, 89, 73, 206, 90, 65, 86, 73, 89, 65, 78, 73, 128, 90, 65, 84, 65, 
-    128, 90, 65, 82, 81, 65, 128, 90, 65, 81, 69, 198, 90, 65, 77, 88, 128, 
-    90, 65, 204, 90, 65, 73, 78, 128, 90, 65, 73, 206, 90, 65, 73, 128, 90, 
-    65, 72, 128, 90, 65, 200, 90, 65, 71, 128, 90, 65, 69, 70, 128, 90, 48, 
-    49, 54, 72, 128, 90, 48, 49, 54, 71, 128, 90, 48, 49, 54, 70, 128, 90, 
-    48, 49, 54, 69, 128, 90, 48, 49, 54, 68, 128, 90, 48, 49, 54, 67, 128, 
-    90, 48, 49, 54, 66, 128, 90, 48, 49, 54, 65, 128, 90, 48, 49, 54, 128, 
-    90, 48, 49, 53, 73, 128, 90, 48, 49, 53, 72, 128, 90, 48, 49, 53, 71, 
-    128, 90, 48, 49, 53, 70, 128, 90, 48, 49, 53, 69, 128, 90, 48, 49, 53, 
-    68, 128, 90, 48, 49, 53, 67, 128, 90, 48, 49, 53, 66, 128, 90, 48, 49, 
-    53, 65, 128, 90, 48, 49, 53, 128, 90, 48, 49, 52, 128, 90, 48, 49, 51, 
-    128, 90, 48, 49, 50, 128, 90, 48, 49, 49, 128, 90, 48, 49, 48, 128, 90, 
-    48, 48, 57, 128, 90, 48, 48, 56, 128, 90, 48, 48, 55, 128, 90, 48, 48, 
-    54, 128, 90, 48, 48, 53, 65, 128, 90, 48, 48, 53, 128, 90, 48, 48, 52, 
-    65, 128, 90, 48, 48, 52, 128, 90, 48, 48, 51, 66, 128, 90, 48, 48, 51, 
-    65, 128, 90, 48, 48, 51, 128, 90, 48, 48, 50, 68, 128, 90, 48, 48, 50, 
-    67, 128, 90, 48, 48, 50, 66, 128, 90, 48, 48, 50, 65, 128, 90, 48, 48, 
-    50, 128, 90, 48, 48, 49, 128, 90, 128, 218, 89, 89, 88, 128, 89, 89, 84, 
-    128, 89, 89, 82, 88, 128, 89, 89, 82, 128, 89, 89, 80, 128, 89, 89, 69, 
-    128, 89, 89, 65, 65, 128, 89, 89, 65, 128, 89, 89, 128, 89, 87, 79, 79, 
-    128, 89, 87, 79, 128, 89, 87, 73, 73, 128, 89, 87, 73, 128, 89, 87, 69, 
-    128, 89, 87, 65, 65, 128, 89, 87, 65, 128, 89, 86, 128, 89, 85, 88, 128, 
-    89, 85, 87, 79, 81, 128, 89, 85, 85, 75, 65, 76, 69, 65, 80, 73, 78, 84, 
-    85, 128, 89, 85, 85, 128, 89, 85, 84, 128, 89, 85, 83, 128, 89, 85, 211, 
-    89, 85, 82, 88, 128, 89, 85, 82, 128, 89, 85, 81, 128, 89, 85, 209, 89, 
-    85, 80, 128, 89, 85, 79, 88, 128, 89, 85, 79, 84, 128, 89, 85, 79, 80, 
-    128, 89, 85, 79, 77, 128, 89, 85, 79, 128, 89, 85, 78, 128, 89, 85, 77, 
-    128, 89, 85, 69, 81, 128, 89, 85, 69, 128, 89, 85, 68, 72, 128, 89, 85, 
-    68, 200, 89, 85, 65, 78, 128, 89, 85, 65, 69, 78, 128, 89, 85, 45, 89, 
-    69, 79, 128, 89, 85, 45, 89, 69, 128, 89, 85, 45, 85, 128, 89, 85, 45, 
-    79, 128, 89, 85, 45, 73, 128, 89, 85, 45, 69, 79, 128, 89, 85, 45, 69, 
-    128, 89, 85, 45, 65, 69, 128, 89, 85, 45, 65, 128, 89, 85, 128, 89, 213, 
-    89, 80, 83, 73, 76, 73, 128, 89, 80, 79, 82, 82, 79, 73, 128, 89, 80, 79, 
-    75, 82, 73, 83, 73, 83, 128, 89, 80, 79, 75, 82, 73, 83, 73, 211, 89, 80, 
-    79, 71, 69, 71, 82, 65, 77, 77, 69, 78, 73, 128, 89, 79, 89, 128, 89, 79, 
-    88, 128, 89, 79, 85, 84, 72, 70, 85, 76, 78, 69, 83, 83, 128, 89, 79, 85, 
-    84, 72, 70, 85, 204, 89, 79, 84, 128, 89, 79, 82, 73, 128, 89, 79, 81, 
-    128, 89, 79, 209, 89, 79, 80, 128, 89, 79, 79, 128, 89, 79, 77, 79, 128, 
-    89, 79, 71, 72, 128, 89, 79, 68, 72, 128, 89, 79, 68, 128, 89, 79, 196, 
-    89, 79, 65, 128, 89, 79, 45, 89, 69, 79, 128, 89, 79, 45, 89, 65, 69, 
-    128, 89, 79, 45, 89, 65, 128, 89, 79, 45, 79, 128, 89, 79, 45, 73, 128, 
-    89, 79, 45, 69, 79, 128, 89, 79, 45, 65, 69, 128, 89, 79, 45, 65, 128, 
-    89, 79, 128, 89, 207, 89, 73, 90, 69, 84, 128, 89, 73, 88, 128, 89, 73, 
-    87, 78, 128, 89, 73, 84, 128, 89, 73, 80, 128, 89, 73, 78, 71, 128, 89, 
-    73, 73, 128, 89, 73, 199, 89, 73, 69, 88, 128, 89, 73, 69, 84, 128, 89, 
-    73, 69, 80, 128, 89, 73, 69, 69, 128, 89, 73, 69, 128, 89, 73, 68, 68, 
-    73, 83, 200, 89, 73, 45, 85, 128, 89, 73, 128, 89, 70, 69, 83, 73, 83, 
-    128, 89, 70, 69, 83, 73, 211, 89, 70, 69, 206, 89, 69, 89, 128, 89, 69, 
-    87, 128, 89, 69, 85, 88, 128, 89, 69, 85, 82, 65, 69, 128, 89, 69, 85, 
-    81, 128, 89, 69, 85, 77, 128, 89, 69, 85, 65, 69, 84, 128, 89, 69, 85, 
-    65, 69, 128, 89, 69, 84, 73, 86, 128, 89, 69, 83, 84, 85, 128, 89, 69, 
-    83, 73, 69, 85, 78, 71, 45, 83, 73, 79, 83, 128, 89, 69, 83, 73, 69, 85, 
-    78, 71, 45, 80, 65, 78, 83, 73, 79, 83, 128, 89, 69, 83, 73, 69, 85, 78, 
-    71, 45, 77, 73, 69, 85, 77, 128, 89, 69, 83, 73, 69, 85, 78, 71, 45, 72, 
-    73, 69, 85, 72, 128, 89, 69, 83, 73, 69, 85, 78, 71, 128, 89, 69, 82, 85, 
-    128, 89, 69, 82, 213, 89, 69, 82, 73, 128, 89, 69, 82, 65, 200, 89, 69, 
-    82, 128, 89, 69, 79, 82, 73, 78, 72, 73, 69, 85, 72, 128, 89, 69, 79, 45, 
-    89, 65, 128, 89, 69, 79, 45, 85, 128, 89, 69, 79, 45, 79, 128, 89, 69, 
-    78, 73, 83, 69, 201, 89, 69, 78, 65, 80, 128, 89, 69, 78, 128, 89, 69, 
-    206, 89, 69, 76, 76, 79, 87, 128, 89, 69, 76, 76, 79, 215, 89, 69, 72, 
-    128, 89, 69, 69, 128, 89, 69, 65, 210, 89, 69, 65, 128, 89, 65, 90, 90, 
-    128, 89, 65, 90, 72, 128, 89, 65, 90, 128, 89, 65, 89, 65, 78, 78, 65, 
-    128, 89, 65, 89, 128, 89, 65, 87, 128, 89, 65, 86, 128, 89, 65, 85, 128, 
-    89, 65, 84, 84, 128, 89, 65, 84, 73, 128, 89, 65, 84, 72, 128, 89, 65, 
-    84, 128, 89, 65, 83, 83, 128, 89, 65, 83, 72, 128, 89, 65, 83, 128, 89, 
-    65, 82, 82, 128, 89, 65, 82, 128, 89, 65, 210, 89, 65, 81, 128, 89, 65, 
-    80, 128, 89, 65, 78, 83, 65, 89, 65, 128, 89, 65, 78, 71, 128, 89, 65, 
-    78, 199, 89, 65, 78, 128, 89, 65, 77, 79, 75, 128, 89, 65, 77, 65, 75, 
-    75, 65, 78, 128, 89, 65, 77, 128, 89, 65, 76, 128, 89, 65, 75, 72, 72, 
-    128, 89, 65, 75, 72, 128, 89, 65, 75, 65, 83, 72, 128, 89, 65, 75, 128, 
-    89, 65, 74, 85, 82, 86, 69, 68, 73, 195, 89, 65, 74, 128, 89, 65, 73, 
-    128, 89, 65, 72, 72, 128, 89, 65, 72, 128, 89, 65, 71, 78, 128, 89, 65, 
-    71, 72, 72, 128, 89, 65, 71, 72, 128, 89, 65, 71, 128, 89, 65, 70, 213, 
-    89, 65, 70, 128, 89, 65, 69, 77, 77, 65, 69, 128, 89, 65, 68, 72, 128, 
-    89, 65, 68, 68, 72, 128, 89, 65, 68, 68, 128, 89, 65, 68, 128, 89, 65, 
-    67, 72, 128, 89, 65, 66, 72, 128, 89, 65, 66, 128, 89, 65, 65, 82, 85, 
-    128, 89, 65, 65, 73, 128, 89, 65, 65, 68, 79, 128, 89, 65, 45, 89, 79, 
-    128, 89, 65, 45, 85, 128, 89, 65, 45, 79, 128, 89, 48, 48, 56, 128, 89, 
-    48, 48, 55, 128, 89, 48, 48, 54, 128, 89, 48, 48, 53, 128, 89, 48, 48, 
-    52, 128, 89, 48, 48, 51, 128, 89, 48, 48, 50, 128, 89, 48, 48, 49, 65, 
-    128, 89, 48, 48, 49, 128, 89, 45, 67, 82, 69, 197, 88, 89, 88, 128, 88, 
-    89, 85, 128, 88, 89, 84, 128, 88, 89, 82, 88, 128, 88, 89, 82, 128, 88, 
-    89, 80, 128, 88, 89, 79, 128, 88, 89, 73, 128, 88, 89, 69, 69, 128, 88, 
-    89, 69, 128, 88, 89, 65, 65, 128, 88, 89, 65, 128, 88, 89, 128, 88, 87, 
-    73, 128, 88, 87, 69, 69, 128, 88, 87, 69, 128, 88, 87, 65, 65, 128, 88, 
-    87, 65, 128, 88, 86, 69, 128, 88, 86, 65, 128, 88, 85, 79, 88, 128, 88, 
-    85, 79, 128, 88, 85, 128, 88, 83, 72, 65, 65, 89, 65, 84, 72, 73, 89, 65, 
-    128, 88, 79, 88, 128, 88, 79, 84, 128, 88, 79, 82, 128, 88, 79, 80, 128, 
-    88, 79, 65, 128, 88, 79, 128, 88, 73, 88, 128, 88, 73, 84, 128, 88, 73, 
-    82, 79, 206, 88, 73, 80, 128, 88, 73, 69, 88, 128, 88, 73, 69, 84, 128, 
-    88, 73, 69, 80, 128, 88, 73, 69, 128, 88, 73, 128, 88, 71, 128, 88, 69, 
-    83, 84, 69, 211, 88, 69, 72, 128, 88, 69, 69, 128, 88, 69, 128, 88, 65, 
-    78, 128, 88, 65, 65, 128, 88, 65, 128, 88, 48, 48, 56, 65, 128, 88, 48, 
-    48, 56, 128, 88, 48, 48, 55, 128, 88, 48, 48, 54, 65, 128, 88, 48, 48, 
-    54, 128, 88, 48, 48, 53, 128, 88, 48, 48, 52, 66, 128, 88, 48, 48, 52, 
-    65, 128, 88, 48, 48, 52, 128, 88, 48, 48, 51, 128, 88, 48, 48, 50, 128, 
-    88, 48, 48, 49, 128, 87, 90, 128, 87, 89, 78, 78, 128, 87, 89, 78, 206, 
-    87, 86, 128, 87, 85, 80, 128, 87, 85, 79, 88, 128, 87, 85, 79, 80, 128, 
-    87, 85, 79, 128, 87, 85, 78, 74, 207, 87, 85, 78, 128, 87, 85, 76, 85, 
-    128, 87, 85, 76, 213, 87, 85, 69, 128, 87, 85, 65, 69, 84, 128, 87, 85, 
-    65, 69, 78, 128, 87, 85, 128, 87, 82, 217, 87, 82, 79, 78, 71, 128, 87, 
-    82, 73, 84, 73, 78, 199, 87, 82, 69, 78, 67, 72, 128, 87, 82, 69, 65, 84, 
-    200, 87, 82, 65, 80, 80, 69, 196, 87, 82, 65, 80, 128, 87, 79, 88, 128, 
-    87, 79, 82, 82, 73, 69, 196, 87, 79, 82, 75, 69, 82, 128, 87, 79, 82, 75, 
-    128, 87, 79, 82, 203, 87, 79, 82, 68, 83, 80, 65, 67, 69, 128, 87, 79, 
-    82, 196, 87, 79, 80, 128, 87, 79, 79, 78, 128, 87, 79, 79, 76, 128, 87, 
-    79, 79, 68, 83, 45, 67, 82, 69, 197, 87, 79, 79, 68, 128, 87, 79, 78, 
-    128, 87, 79, 206, 87, 79, 77, 69, 78, 211, 87, 79, 77, 69, 206, 87, 79, 
-    77, 65, 78, 211, 87, 79, 77, 65, 78, 128, 87, 79, 77, 65, 206, 87, 79, 
-    76, 79, 83, 79, 128, 87, 79, 76, 198, 87, 79, 69, 128, 87, 79, 65, 128, 
-    87, 73, 84, 72, 79, 85, 212, 87, 73, 84, 72, 73, 78, 128, 87, 73, 78, 84, 
-    69, 82, 128, 87, 73, 78, 75, 73, 78, 199, 87, 73, 78, 74, 65, 128, 87, 
-    73, 78, 71, 83, 128, 87, 73, 78, 69, 128, 87, 73, 78, 197, 87, 73, 78, 
-    68, 85, 128, 87, 73, 78, 68, 128, 87, 73, 78, 196, 87, 73, 78, 128, 87, 
+    74, 128, 90, 87, 78, 66, 83, 80, 128, 90, 87, 74, 128, 90, 87, 202, 90, 
+    87, 65, 82, 65, 75, 65, 89, 128, 90, 87, 65, 128, 90, 85, 84, 128, 90, 
+    85, 79, 88, 128, 90, 85, 79, 80, 128, 90, 85, 79, 128, 90, 85, 77, 128, 
+    90, 85, 66, 85, 82, 128, 90, 85, 53, 128, 90, 85, 181, 90, 83, 72, 65, 
+    128, 90, 82, 65, 128, 90, 81, 65, 80, 72, 193, 90, 79, 84, 128, 90, 79, 
+    79, 128, 90, 79, 65, 128, 90, 76, 65, 77, 193, 90, 76, 65, 128, 90, 76, 
+    193, 90, 74, 69, 128, 90, 73, 90, 50, 128, 90, 73, 81, 65, 65, 128, 90, 
+    73, 78, 79, 82, 128, 90, 73, 76, 68, 69, 128, 90, 73, 71, 90, 65, 199, 
+    90, 73, 71, 128, 90, 73, 68, 193, 90, 73, 66, 128, 90, 73, 194, 90, 73, 
+    51, 128, 90, 201, 90, 72, 89, 88, 128, 90, 72, 89, 84, 128, 90, 72, 89, 
+    82, 88, 128, 90, 72, 89, 82, 128, 90, 72, 89, 80, 128, 90, 72, 89, 128, 
+    90, 72, 87, 69, 128, 90, 72, 87, 65, 128, 90, 72, 85, 88, 128, 90, 72, 
+    85, 84, 128, 90, 72, 85, 82, 88, 128, 90, 72, 85, 82, 128, 90, 72, 85, 
+    80, 128, 90, 72, 85, 79, 88, 128, 90, 72, 85, 79, 80, 128, 90, 72, 85, 
+    79, 128, 90, 72, 85, 128, 90, 72, 79, 88, 128, 90, 72, 79, 84, 128, 90, 
+    72, 79, 80, 128, 90, 72, 79, 79, 128, 90, 72, 79, 73, 128, 90, 72, 79, 
+    128, 90, 72, 73, 86, 69, 84, 69, 128, 90, 72, 73, 76, 128, 90, 72, 73, 
+    128, 90, 72, 69, 88, 128, 90, 72, 69, 84, 128, 90, 72, 69, 80, 128, 90, 
+    72, 69, 69, 128, 90, 72, 69, 128, 90, 72, 197, 90, 72, 65, 89, 73, 78, 
+    128, 90, 72, 65, 88, 128, 90, 72, 65, 84, 128, 90, 72, 65, 82, 128, 90, 
+    72, 65, 80, 128, 90, 72, 65, 73, 78, 128, 90, 72, 65, 65, 128, 90, 72, 
+    65, 128, 90, 72, 128, 90, 69, 84, 65, 128, 90, 69, 82, 79, 128, 90, 69, 
+    82, 207, 90, 69, 78, 128, 90, 69, 77, 76, 89, 65, 128, 90, 69, 77, 76, 
+    74, 65, 128, 90, 69, 50, 128, 90, 197, 90, 65, 89, 78, 128, 90, 65, 89, 
+    73, 78, 128, 90, 65, 89, 73, 206, 90, 65, 86, 73, 89, 65, 78, 73, 128, 
+    90, 65, 84, 65, 128, 90, 65, 82, 81, 65, 128, 90, 65, 82, 76, 128, 90, 
+    65, 81, 69, 198, 90, 65, 77, 88, 128, 90, 65, 204, 90, 65, 73, 78, 128, 
+    90, 65, 73, 206, 90, 65, 73, 128, 90, 65, 72, 128, 90, 65, 200, 90, 65, 
+    71, 128, 90, 65, 69, 70, 128, 90, 193, 90, 48, 49, 54, 72, 128, 90, 48, 
+    49, 54, 71, 128, 90, 48, 49, 54, 70, 128, 90, 48, 49, 54, 69, 128, 90, 
+    48, 49, 54, 68, 128, 90, 48, 49, 54, 67, 128, 90, 48, 49, 54, 66, 128, 
+    90, 48, 49, 54, 65, 128, 90, 48, 49, 54, 128, 90, 48, 49, 53, 73, 128, 
+    90, 48, 49, 53, 72, 128, 90, 48, 49, 53, 71, 128, 90, 48, 49, 53, 70, 
+    128, 90, 48, 49, 53, 69, 128, 90, 48, 49, 53, 68, 128, 90, 48, 49, 53, 
+    67, 128, 90, 48, 49, 53, 66, 128, 90, 48, 49, 53, 65, 128, 90, 48, 49, 
+    53, 128, 90, 48, 49, 52, 128, 90, 48, 49, 51, 128, 90, 48, 49, 50, 128, 
+    90, 48, 49, 49, 128, 90, 48, 49, 48, 128, 90, 48, 48, 57, 128, 90, 48, 
+    48, 56, 128, 90, 48, 48, 55, 128, 90, 48, 48, 54, 128, 90, 48, 48, 53, 
+    65, 128, 90, 48, 48, 53, 128, 90, 48, 48, 52, 65, 128, 90, 48, 48, 52, 
+    128, 90, 48, 48, 51, 66, 128, 90, 48, 48, 51, 65, 128, 90, 48, 48, 51, 
+    128, 90, 48, 48, 50, 68, 128, 90, 48, 48, 50, 67, 128, 90, 48, 48, 50, 
+    66, 128, 90, 48, 48, 50, 65, 128, 90, 48, 48, 50, 128, 90, 48, 48, 49, 
+    128, 90, 128, 218, 89, 89, 88, 128, 89, 89, 84, 128, 89, 89, 82, 88, 128, 
+    89, 89, 82, 128, 89, 89, 80, 128, 89, 89, 69, 128, 89, 89, 65, 65, 128, 
+    89, 89, 65, 128, 89, 89, 128, 89, 87, 79, 79, 128, 89, 87, 79, 128, 89, 
+    87, 73, 73, 128, 89, 87, 73, 128, 89, 87, 69, 128, 89, 87, 65, 65, 128, 
+    89, 87, 65, 128, 89, 86, 128, 89, 85, 88, 128, 89, 85, 87, 79, 81, 128, 
+    89, 85, 85, 75, 65, 76, 69, 65, 80, 73, 78, 84, 85, 128, 89, 85, 85, 128, 
+    89, 85, 84, 128, 89, 85, 83, 128, 89, 85, 211, 89, 85, 82, 88, 128, 89, 
+    85, 82, 128, 89, 85, 81, 128, 89, 85, 209, 89, 85, 80, 128, 89, 85, 79, 
+    88, 128, 89, 85, 79, 84, 128, 89, 85, 79, 80, 128, 89, 85, 79, 77, 128, 
+    89, 85, 79, 128, 89, 85, 78, 128, 89, 85, 77, 128, 89, 85, 74, 128, 89, 
+    85, 69, 81, 128, 89, 85, 69, 128, 89, 85, 68, 72, 128, 89, 85, 68, 200, 
+    89, 85, 65, 78, 128, 89, 85, 65, 69, 78, 128, 89, 85, 45, 89, 69, 79, 
+    128, 89, 85, 45, 89, 69, 128, 89, 85, 45, 85, 128, 89, 85, 45, 79, 128, 
+    89, 85, 45, 73, 128, 89, 85, 45, 69, 79, 128, 89, 85, 45, 69, 128, 89, 
+    85, 45, 65, 69, 128, 89, 85, 45, 65, 128, 89, 85, 128, 89, 213, 89, 82, 
+    89, 128, 89, 80, 83, 73, 76, 73, 128, 89, 80, 79, 82, 82, 79, 73, 128, 
+    89, 80, 79, 75, 82, 73, 83, 73, 83, 128, 89, 80, 79, 75, 82, 73, 83, 73, 
+    211, 89, 80, 79, 71, 69, 71, 82, 65, 77, 77, 69, 78, 73, 128, 89, 79, 89, 
+    128, 89, 79, 88, 128, 89, 79, 87, 68, 128, 89, 79, 85, 84, 72, 70, 85, 
+    76, 78, 69, 83, 83, 128, 89, 79, 85, 84, 72, 70, 85, 204, 89, 79, 84, 
+    128, 89, 79, 82, 73, 128, 89, 79, 81, 128, 89, 79, 209, 89, 79, 80, 128, 
+    89, 79, 79, 128, 89, 79, 77, 79, 128, 89, 79, 71, 72, 128, 89, 79, 68, 
+    72, 128, 89, 79, 68, 128, 89, 79, 196, 89, 79, 65, 128, 89, 79, 45, 89, 
+    69, 79, 128, 89, 79, 45, 89, 65, 69, 128, 89, 79, 45, 89, 65, 128, 89, 
+    79, 45, 79, 128, 89, 79, 45, 73, 128, 89, 79, 45, 69, 79, 128, 89, 79, 
+    45, 65, 69, 128, 89, 79, 45, 65, 128, 89, 79, 128, 89, 207, 89, 73, 90, 
+    69, 84, 128, 89, 73, 88, 128, 89, 73, 87, 78, 128, 89, 73, 84, 128, 89, 
+    73, 80, 128, 89, 73, 78, 71, 128, 89, 73, 73, 128, 89, 73, 199, 89, 73, 
+    69, 88, 128, 89, 73, 69, 84, 128, 89, 73, 69, 80, 128, 89, 73, 69, 69, 
+    128, 89, 73, 69, 128, 89, 73, 68, 68, 73, 83, 200, 89, 73, 45, 85, 128, 
+    89, 73, 128, 89, 70, 69, 83, 73, 83, 128, 89, 70, 69, 83, 73, 211, 89, 
+    70, 69, 206, 89, 69, 89, 128, 89, 69, 87, 128, 89, 69, 85, 88, 128, 89, 
+    69, 85, 82, 65, 69, 128, 89, 69, 85, 81, 128, 89, 69, 85, 77, 128, 89, 
+    69, 85, 65, 69, 84, 128, 89, 69, 85, 65, 69, 128, 89, 69, 84, 73, 86, 
+    128, 89, 69, 83, 84, 85, 128, 89, 69, 83, 73, 69, 85, 78, 71, 45, 83, 73, 
+    79, 83, 128, 89, 69, 83, 73, 69, 85, 78, 71, 45, 80, 65, 78, 83, 73, 79, 
+    83, 128, 89, 69, 83, 73, 69, 85, 78, 71, 45, 77, 73, 69, 85, 77, 128, 89, 
+    69, 83, 73, 69, 85, 78, 71, 45, 72, 73, 69, 85, 72, 128, 89, 69, 83, 73, 
+    69, 85, 78, 71, 128, 89, 69, 82, 85, 128, 89, 69, 82, 213, 89, 69, 82, 
+    73, 128, 89, 69, 82, 65, 200, 89, 69, 82, 128, 89, 69, 79, 82, 73, 78, 
+    72, 73, 69, 85, 72, 128, 89, 69, 79, 45, 89, 65, 128, 89, 69, 79, 45, 85, 
+    128, 89, 69, 79, 45, 79, 128, 89, 69, 78, 73, 83, 69, 201, 89, 69, 78, 
+    65, 80, 128, 89, 69, 78, 128, 89, 69, 206, 89, 69, 76, 76, 79, 87, 128, 
+    89, 69, 76, 76, 79, 215, 89, 69, 73, 78, 128, 89, 69, 72, 128, 89, 69, 
+    69, 71, 128, 89, 69, 69, 128, 89, 69, 65, 210, 89, 69, 65, 128, 89, 65, 
+    90, 90, 128, 89, 65, 90, 72, 128, 89, 65, 90, 128, 89, 65, 89, 68, 128, 
+    89, 65, 89, 65, 78, 78, 65, 128, 89, 65, 89, 128, 89, 65, 87, 128, 89, 
+    65, 86, 128, 89, 65, 85, 128, 89, 65, 84, 84, 128, 89, 65, 84, 73, 128, 
+    89, 65, 84, 72, 128, 89, 65, 84, 128, 89, 65, 83, 83, 128, 89, 65, 83, 
+    72, 128, 89, 65, 83, 128, 89, 65, 82, 82, 128, 89, 65, 82, 128, 89, 65, 
+    210, 89, 65, 81, 128, 89, 65, 80, 128, 89, 65, 78, 83, 65, 89, 65, 128, 
+    89, 65, 78, 71, 128, 89, 65, 78, 199, 89, 65, 78, 128, 89, 65, 77, 79, 
+    75, 128, 89, 65, 77, 65, 75, 75, 65, 78, 128, 89, 65, 77, 128, 89, 65, 
+    76, 128, 89, 65, 75, 72, 72, 128, 89, 65, 75, 72, 128, 89, 65, 75, 65, 
+    83, 72, 128, 89, 65, 75, 128, 89, 65, 74, 85, 82, 86, 69, 68, 73, 195, 
+    89, 65, 74, 128, 89, 65, 73, 128, 89, 65, 72, 72, 128, 89, 65, 72, 128, 
+    89, 65, 71, 78, 128, 89, 65, 71, 72, 72, 128, 89, 65, 71, 72, 128, 89, 
+    65, 71, 128, 89, 65, 70, 213, 89, 65, 70, 128, 89, 65, 69, 77, 77, 65, 
+    69, 128, 89, 65, 68, 72, 128, 89, 65, 68, 68, 72, 128, 89, 65, 68, 68, 
+    128, 89, 65, 68, 128, 89, 65, 67, 72, 128, 89, 65, 66, 72, 128, 89, 65, 
+    66, 128, 89, 65, 65, 82, 85, 128, 89, 65, 65, 73, 128, 89, 65, 65, 68, 
+    79, 128, 89, 65, 45, 89, 79, 128, 89, 65, 45, 85, 128, 89, 65, 45, 79, 
+    128, 89, 48, 48, 56, 128, 89, 48, 48, 55, 128, 89, 48, 48, 54, 128, 89, 
+    48, 48, 53, 128, 89, 48, 48, 52, 128, 89, 48, 48, 51, 128, 89, 48, 48, 
+    50, 128, 89, 48, 48, 49, 65, 128, 89, 48, 48, 49, 128, 89, 45, 67, 82, 
+    69, 197, 88, 89, 88, 128, 88, 89, 85, 128, 88, 89, 84, 128, 88, 89, 82, 
+    88, 128, 88, 89, 82, 128, 88, 89, 80, 128, 88, 89, 79, 79, 74, 128, 88, 
+    89, 79, 79, 128, 88, 89, 79, 128, 88, 89, 73, 128, 88, 89, 69, 69, 205, 
+    88, 89, 69, 69, 128, 88, 89, 69, 128, 88, 89, 65, 65, 128, 88, 89, 65, 
+    128, 88, 89, 128, 88, 87, 73, 128, 88, 87, 69, 69, 128, 88, 87, 69, 128, 
+    88, 87, 65, 65, 128, 88, 87, 65, 128, 88, 87, 128, 88, 86, 69, 128, 88, 
+    86, 65, 128, 88, 85, 79, 88, 128, 88, 85, 79, 128, 88, 85, 128, 88, 83, 
+    72, 65, 65, 89, 65, 84, 72, 73, 89, 65, 128, 88, 79, 88, 128, 88, 79, 84, 
+    128, 88, 79, 82, 128, 88, 79, 80, 72, 128, 88, 79, 80, 128, 88, 79, 65, 
+    128, 88, 79, 128, 88, 73, 88, 128, 88, 73, 84, 128, 88, 73, 82, 79, 206, 
+    88, 73, 80, 128, 88, 73, 69, 88, 128, 88, 73, 69, 84, 128, 88, 73, 69, 
+    80, 128, 88, 73, 69, 128, 88, 73, 65, 66, 128, 88, 73, 128, 88, 71, 128, 
+    88, 69, 89, 78, 128, 88, 69, 83, 84, 69, 211, 88, 69, 72, 128, 88, 69, 
+    69, 128, 88, 69, 128, 88, 65, 85, 83, 128, 88, 65, 85, 128, 88, 65, 80, 
+    72, 128, 88, 65, 78, 128, 88, 65, 65, 128, 88, 65, 128, 88, 48, 48, 56, 
+    65, 128, 88, 48, 48, 56, 128, 88, 48, 48, 55, 128, 88, 48, 48, 54, 65, 
+    128, 88, 48, 48, 54, 128, 88, 48, 48, 53, 128, 88, 48, 48, 52, 66, 128, 
+    88, 48, 48, 52, 65, 128, 88, 48, 48, 52, 128, 88, 48, 48, 51, 128, 88, 
+    48, 48, 50, 128, 88, 48, 48, 49, 128, 88, 45, 216, 87, 90, 128, 87, 89, 
+    78, 78, 128, 87, 89, 78, 206, 87, 86, 73, 128, 87, 86, 69, 128, 87, 86, 
+    65, 128, 87, 86, 128, 87, 85, 80, 128, 87, 85, 79, 88, 128, 87, 85, 79, 
+    80, 128, 87, 85, 79, 128, 87, 85, 78, 74, 207, 87, 85, 78, 128, 87, 85, 
+    76, 85, 128, 87, 85, 76, 213, 87, 85, 73, 128, 87, 85, 69, 128, 87, 85, 
+    65, 69, 84, 128, 87, 85, 65, 69, 78, 128, 87, 85, 128, 87, 82, 217, 87, 
+    82, 79, 78, 71, 128, 87, 82, 73, 84, 73, 78, 199, 87, 82, 69, 78, 67, 72, 
+    128, 87, 82, 69, 65, 84, 200, 87, 82, 65, 80, 80, 69, 196, 87, 82, 65, 
+    80, 128, 87, 79, 88, 128, 87, 79, 87, 128, 87, 79, 82, 82, 73, 69, 196, 
+    87, 79, 82, 76, 196, 87, 79, 82, 75, 69, 82, 128, 87, 79, 82, 75, 128, 
+    87, 79, 82, 203, 87, 79, 82, 68, 83, 80, 65, 67, 69, 128, 87, 79, 82, 
+    196, 87, 79, 80, 128, 87, 79, 79, 78, 128, 87, 79, 79, 76, 128, 87, 79, 
+    79, 68, 83, 45, 67, 82, 69, 197, 87, 79, 79, 68, 128, 87, 79, 78, 128, 
+    87, 79, 206, 87, 79, 77, 69, 78, 211, 87, 79, 77, 69, 206, 87, 79, 77, 
+    65, 78, 211, 87, 79, 77, 65, 78, 128, 87, 79, 77, 65, 206, 87, 79, 76, 
+    79, 83, 79, 128, 87, 79, 76, 198, 87, 79, 69, 128, 87, 79, 65, 128, 87, 
+    73, 84, 72, 79, 85, 212, 87, 73, 84, 72, 73, 78, 128, 87, 73, 84, 72, 73, 
+    206, 87, 73, 82, 69, 196, 87, 73, 78, 84, 69, 82, 128, 87, 73, 78, 75, 
+    73, 78, 199, 87, 73, 78, 74, 65, 128, 87, 73, 78, 71, 83, 128, 87, 73, 
+    78, 69, 128, 87, 73, 78, 197, 87, 73, 78, 68, 85, 128, 87, 73, 78, 68, 
+    79, 87, 128, 87, 73, 78, 68, 128, 87, 73, 78, 196, 87, 73, 78, 128, 87, 
     73, 71, 78, 89, 65, 78, 128, 87, 73, 71, 71, 76, 217, 87, 73, 68, 69, 45, 
     72, 69, 65, 68, 69, 196, 87, 73, 68, 197, 87, 73, 65, 78, 71, 87, 65, 65, 
     75, 128, 87, 73, 65, 78, 71, 128, 87, 72, 79, 76, 197, 87, 72, 73, 84, 
     69, 45, 70, 69, 65, 84, 72, 69, 82, 69, 196, 87, 72, 73, 84, 69, 128, 87, 
     72, 69, 69, 76, 69, 196, 87, 72, 69, 69, 76, 67, 72, 65, 73, 210, 87, 72, 
     69, 69, 76, 128, 87, 72, 69, 69, 204, 87, 72, 69, 65, 84, 128, 87, 72, 
-    65, 76, 69, 128, 87, 71, 128, 87, 69, 88, 128, 87, 69, 85, 88, 128, 87, 
-    69, 83, 84, 69, 82, 206, 87, 69, 83, 84, 128, 87, 69, 83, 212, 87, 69, 
-    80, 128, 87, 69, 79, 128, 87, 69, 78, 128, 87, 69, 76, 76, 128, 87, 69, 
-    73, 71, 72, 212, 87, 69, 73, 69, 82, 83, 84, 82, 65, 83, 211, 87, 69, 69, 
-    78, 128, 87, 69, 68, 71, 69, 45, 84, 65, 73, 76, 69, 196, 87, 69, 68, 68, 
-    73, 78, 71, 128, 87, 69, 65, 82, 217, 87, 69, 65, 80, 79, 78, 128, 87, 
-    67, 128, 87, 66, 128, 87, 65, 89, 128, 87, 65, 217, 87, 65, 88, 73, 78, 
-    199, 87, 65, 88, 128, 87, 65, 87, 45, 65, 89, 73, 78, 45, 82, 69, 83, 72, 
-    128, 87, 65, 87, 128, 87, 65, 215, 87, 65, 86, 217, 87, 65, 86, 73, 78, 
-    199, 87, 65, 86, 69, 83, 128, 87, 65, 86, 69, 128, 87, 65, 86, 197, 87, 
-    65, 85, 128, 87, 65, 84, 84, 79, 128, 87, 65, 84, 69, 82, 77, 69, 76, 79, 
-    78, 128, 87, 65, 84, 69, 82, 128, 87, 65, 84, 69, 210, 87, 65, 84, 67, 
-    72, 128, 87, 65, 84, 128, 87, 65, 83, 84, 73, 78, 71, 128, 87, 65, 83, 
-    83, 65, 76, 76, 65, 77, 128, 87, 65, 83, 76, 65, 128, 87, 65, 83, 76, 
-    193, 87, 65, 83, 65, 76, 76, 65, 77, 128, 87, 65, 83, 65, 76, 76, 65, 
-    205, 87, 65, 82, 78, 73, 78, 199, 87, 65, 80, 128, 87, 65, 78, 73, 78, 
-    199, 87, 65, 78, 71, 75, 85, 79, 81, 128, 87, 65, 78, 68, 69, 82, 69, 82, 
-    128, 87, 65, 78, 128, 87, 65, 76, 76, 128, 87, 65, 76, 75, 128, 87, 65, 
-    76, 203, 87, 65, 73, 84, 73, 78, 71, 128, 87, 65, 73, 128, 87, 65, 69, 
-    78, 128, 87, 65, 69, 128, 87, 65, 65, 86, 85, 128, 87, 48, 50, 53, 128, 
-    87, 48, 50, 52, 65, 128, 87, 48, 50, 52, 128, 87, 48, 50, 51, 128, 87, 
-    48, 50, 50, 128, 87, 48, 50, 49, 128, 87, 48, 50, 48, 128, 87, 48, 49, 
-    57, 128, 87, 48, 49, 56, 65, 128, 87, 48, 49, 56, 128, 87, 48, 49, 55, 
-    65, 128, 87, 48, 49, 55, 128, 87, 48, 49, 54, 128, 87, 48, 49, 53, 128, 
-    87, 48, 49, 52, 65, 128, 87, 48, 49, 52, 128, 87, 48, 49, 51, 128, 87, 
-    48, 49, 50, 128, 87, 48, 49, 49, 128, 87, 48, 49, 48, 65, 128, 87, 48, 
-    49, 48, 128, 87, 48, 48, 57, 65, 128, 87, 48, 48, 57, 128, 87, 48, 48, 
-    56, 128, 87, 48, 48, 55, 128, 87, 48, 48, 54, 128, 87, 48, 48, 53, 128, 
-    87, 48, 48, 52, 128, 87, 48, 48, 51, 65, 128, 87, 48, 48, 51, 128, 87, 
-    48, 48, 50, 128, 87, 48, 48, 49, 128, 86, 90, 77, 69, 84, 128, 86, 89, 
-    88, 128, 86, 89, 84, 128, 86, 89, 82, 88, 128, 86, 89, 82, 128, 86, 89, 
-    80, 128, 86, 89, 128, 86, 87, 65, 128, 86, 85, 88, 128, 86, 85, 85, 128, 
+    65, 76, 69, 128, 87, 72, 128, 87, 71, 128, 87, 69, 88, 128, 87, 69, 85, 
+    88, 128, 87, 69, 83, 84, 69, 82, 206, 87, 69, 83, 84, 128, 87, 69, 83, 
+    212, 87, 69, 80, 128, 87, 69, 79, 128, 87, 69, 78, 128, 87, 69, 76, 76, 
+    128, 87, 69, 73, 71, 72, 212, 87, 69, 73, 69, 82, 83, 84, 82, 65, 83, 
+    211, 87, 69, 73, 128, 87, 69, 69, 78, 128, 87, 69, 68, 71, 69, 45, 84, 
+    65, 73, 76, 69, 196, 87, 69, 68, 68, 73, 78, 71, 128, 87, 69, 66, 128, 
+    87, 69, 65, 82, 217, 87, 69, 65, 80, 79, 78, 128, 87, 67, 128, 87, 66, 
+    128, 87, 65, 89, 128, 87, 65, 217, 87, 65, 88, 73, 78, 199, 87, 65, 88, 
+    128, 87, 65, 87, 45, 65, 89, 73, 78, 45, 82, 69, 83, 72, 128, 87, 65, 87, 
+    128, 87, 65, 215, 87, 65, 86, 217, 87, 65, 86, 73, 78, 199, 87, 65, 86, 
+    69, 83, 128, 87, 65, 86, 69, 128, 87, 65, 86, 197, 87, 65, 85, 128, 87, 
+    65, 84, 84, 79, 128, 87, 65, 84, 69, 82, 77, 69, 76, 79, 78, 128, 87, 65, 
+    84, 69, 82, 128, 87, 65, 84, 69, 210, 87, 65, 84, 67, 72, 128, 87, 65, 
+    84, 128, 87, 65, 83, 84, 73, 78, 71, 128, 87, 65, 83, 84, 69, 66, 65, 83, 
+    75, 69, 84, 128, 87, 65, 83, 83, 65, 76, 76, 65, 77, 128, 87, 65, 83, 76, 
+    65, 128, 87, 65, 83, 76, 193, 87, 65, 83, 65, 76, 76, 65, 77, 128, 87, 
+    65, 83, 65, 76, 76, 65, 205, 87, 65, 82, 78, 73, 78, 199, 87, 65, 80, 
+    128, 87, 65, 78, 73, 78, 199, 87, 65, 78, 71, 75, 85, 79, 81, 128, 87, 
+    65, 78, 68, 69, 82, 69, 82, 128, 87, 65, 78, 128, 87, 65, 76, 76, 128, 
+    87, 65, 76, 75, 128, 87, 65, 76, 203, 87, 65, 73, 84, 73, 78, 71, 128, 
+    87, 65, 73, 128, 87, 65, 69, 78, 128, 87, 65, 69, 128, 87, 65, 68, 68, 
+    65, 128, 87, 65, 65, 86, 85, 128, 87, 48, 50, 53, 128, 87, 48, 50, 52, 
+    65, 128, 87, 48, 50, 52, 128, 87, 48, 50, 51, 128, 87, 48, 50, 50, 128, 
+    87, 48, 50, 49, 128, 87, 48, 50, 48, 128, 87, 48, 49, 57, 128, 87, 48, 
+    49, 56, 65, 128, 87, 48, 49, 56, 128, 87, 48, 49, 55, 65, 128, 87, 48, 
+    49, 55, 128, 87, 48, 49, 54, 128, 87, 48, 49, 53, 128, 87, 48, 49, 52, 
+    65, 128, 87, 48, 49, 52, 128, 87, 48, 49, 51, 128, 87, 48, 49, 50, 128, 
+    87, 48, 49, 49, 128, 87, 48, 49, 48, 65, 128, 87, 48, 49, 48, 128, 87, 
+    48, 48, 57, 65, 128, 87, 48, 48, 57, 128, 87, 48, 48, 56, 128, 87, 48, 
+    48, 55, 128, 87, 48, 48, 54, 128, 87, 48, 48, 53, 128, 87, 48, 48, 52, 
+    128, 87, 48, 48, 51, 65, 128, 87, 48, 48, 51, 128, 87, 48, 48, 50, 128, 
+    87, 48, 48, 49, 128, 86, 90, 77, 69, 84, 128, 86, 89, 88, 128, 86, 89, 
+    84, 128, 86, 89, 82, 88, 128, 86, 89, 82, 128, 86, 89, 80, 128, 86, 89, 
+    128, 86, 87, 74, 128, 86, 87, 65, 128, 86, 85, 88, 128, 86, 85, 85, 128, 
     86, 85, 84, 128, 86, 85, 82, 88, 128, 86, 85, 82, 128, 86, 85, 80, 128, 
     86, 85, 76, 71, 65, 210, 86, 85, 69, 81, 128, 86, 84, 83, 128, 86, 84, 
     128, 86, 83, 57, 57, 128, 86, 83, 57, 56, 128, 86, 83, 57, 55, 128, 86, 
@@ -347,232 +357,250 @@ static unsigned char lexicon[] = {
     48, 49, 128, 86, 83, 49, 48, 48, 128, 86, 83, 49, 48, 128, 86, 83, 49, 
     128, 86, 83, 128, 86, 82, 65, 67, 72, 89, 128, 86, 79, 88, 128, 86, 79, 
     87, 69, 76, 45, 67, 65, 82, 82, 73, 69, 210, 86, 79, 87, 128, 86, 79, 85, 
-    128, 86, 79, 84, 128, 86, 79, 80, 128, 86, 79, 79, 128, 86, 79, 77, 128, 
-    86, 79, 76, 85, 77, 197, 86, 79, 76, 84, 65, 71, 197, 86, 79, 76, 67, 65, 
-    78, 79, 128, 86, 79, 73, 196, 86, 79, 73, 67, 73, 78, 71, 128, 86, 79, 
-    73, 67, 69, 76, 69, 83, 211, 86, 79, 73, 67, 69, 196, 86, 79, 67, 65, 76, 
-    73, 90, 65, 84, 73, 79, 206, 86, 79, 67, 65, 204, 86, 79, 128, 86, 73, 
-    88, 128, 86, 73, 84, 82, 73, 79, 76, 45, 50, 128, 86, 73, 84, 82, 73, 79, 
-    76, 128, 86, 73, 84, 65, 69, 45, 50, 128, 86, 73, 84, 65, 69, 128, 86, 
-    73, 84, 128, 86, 73, 83, 73, 71, 79, 84, 72, 73, 195, 86, 73, 83, 65, 82, 
-    71, 65, 89, 65, 128, 86, 73, 83, 65, 82, 71, 65, 128, 86, 73, 83, 65, 82, 
-    71, 193, 86, 73, 82, 73, 65, 77, 128, 86, 73, 82, 71, 79, 128, 86, 73, 
-    82, 71, 65, 128, 86, 73, 82, 65, 77, 65, 128, 86, 73, 80, 128, 86, 73, 
-    79, 76, 73, 78, 128, 86, 73, 78, 69, 71, 65, 82, 45, 51, 128, 86, 73, 78, 
-    69, 71, 65, 82, 45, 50, 128, 86, 73, 78, 69, 71, 65, 82, 128, 86, 73, 78, 
-    69, 71, 65, 210, 86, 73, 78, 69, 128, 86, 73, 78, 128, 86, 73, 76, 76, 
-    65, 71, 69, 128, 86, 73, 73, 128, 86, 73, 69, 88, 128, 86, 73, 69, 87, 
-    73, 78, 199, 86, 73, 69, 87, 68, 65, 84, 193, 86, 73, 69, 84, 128, 86, 
-    73, 69, 80, 128, 86, 73, 69, 128, 86, 73, 68, 74, 45, 50, 128, 86, 73, 
-    68, 74, 128, 86, 73, 68, 69, 79, 67, 65, 83, 83, 69, 84, 84, 69, 128, 86, 
-    73, 68, 69, 207, 86, 73, 68, 65, 128, 86, 73, 67, 84, 79, 82, 217, 86, 
-    73, 66, 82, 65, 84, 73, 79, 206, 86, 73, 128, 86, 70, 65, 128, 86, 69, 
-    88, 128, 86, 69, 87, 128, 86, 69, 215, 86, 69, 85, 88, 128, 86, 69, 85, 
-    77, 128, 86, 69, 85, 65, 69, 80, 69, 78, 128, 86, 69, 85, 65, 69, 128, 
-    86, 69, 83, 84, 65, 128, 86, 69, 83, 83, 69, 204, 86, 69, 82, 217, 86, 
-    69, 82, 84, 73, 67, 65, 76, 76, 89, 128, 86, 69, 82, 84, 73, 67, 65, 76, 
-    76, 217, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 54, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 53, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 54, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 54, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    54, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 
-    49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 48, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 54, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 53, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 53, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    53, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 
-    50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 49, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 48, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 52, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 52, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    52, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 52, 45, 48, 
-    51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 52, 45, 48, 50, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 52, 45, 48, 49, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 52, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 51, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    51, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 48, 
-    52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 48, 51, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 48, 50, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 51, 45, 48, 49, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 51, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    50, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 
-    53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 52, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 51, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 50, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 50, 45, 48, 49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    50, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 
-    54, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 53, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 52, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 49, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 49, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    49, 45, 48, 49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 
-    48, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 54, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 53, 128, 86, 69, 82, 84, 
-    73, 67, 65, 76, 45, 48, 48, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 
-    76, 45, 48, 48, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 
-    48, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 
-    49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 48, 128, 86, 
-    69, 82, 84, 73, 67, 65, 76, 128, 86, 69, 82, 83, 73, 67, 76, 69, 128, 86, 
-    69, 82, 83, 197, 86, 69, 82, 71, 69, 128, 86, 69, 82, 68, 73, 71, 82, 73, 
-    83, 128, 86, 69, 80, 128, 86, 69, 78, 68, 128, 86, 69, 73, 76, 128, 86, 
+    128, 86, 79, 84, 128, 86, 79, 211, 86, 79, 80, 128, 86, 79, 79, 73, 128, 
+    86, 79, 79, 128, 86, 79, 77, 128, 86, 79, 76, 85, 77, 197, 86, 79, 76, 
+    84, 65, 71, 197, 86, 79, 76, 67, 65, 78, 79, 128, 86, 79, 76, 65, 80, 85, 
+    203, 86, 79, 73, 196, 86, 79, 73, 67, 73, 78, 71, 128, 86, 79, 73, 67, 
+    69, 76, 69, 83, 211, 86, 79, 73, 67, 69, 196, 86, 79, 67, 65, 76, 73, 90, 
+    65, 84, 73, 79, 206, 86, 79, 67, 65, 204, 86, 79, 128, 86, 73, 89, 79, 
+    128, 86, 73, 88, 128, 86, 73, 84, 82, 73, 79, 76, 45, 50, 128, 86, 73, 
+    84, 82, 73, 79, 76, 128, 86, 73, 84, 65, 69, 45, 50, 128, 86, 73, 84, 65, 
+    69, 128, 86, 73, 84, 128, 86, 73, 83, 73, 71, 79, 84, 72, 73, 195, 86, 
+    73, 83, 65, 82, 71, 65, 89, 65, 128, 86, 73, 83, 65, 82, 71, 65, 128, 86, 
+    73, 83, 65, 82, 71, 193, 86, 73, 82, 73, 65, 77, 128, 86, 73, 82, 71, 79, 
+    128, 86, 73, 82, 71, 65, 128, 86, 73, 82, 65, 77, 65, 128, 86, 73, 80, 
+    128, 86, 73, 79, 76, 73, 78, 128, 86, 73, 78, 69, 71, 65, 82, 45, 51, 
+    128, 86, 73, 78, 69, 71, 65, 82, 45, 50, 128, 86, 73, 78, 69, 71, 65, 82, 
+    128, 86, 73, 78, 69, 71, 65, 210, 86, 73, 78, 69, 128, 86, 73, 78, 197, 
+    86, 73, 78, 128, 86, 73, 76, 76, 65, 71, 69, 128, 86, 73, 73, 128, 86, 
+    73, 69, 88, 128, 86, 73, 69, 87, 73, 78, 199, 86, 73, 69, 87, 68, 65, 84, 
+    193, 86, 73, 69, 84, 128, 86, 73, 69, 212, 86, 73, 69, 80, 128, 86, 73, 
+    69, 128, 86, 73, 68, 74, 45, 50, 128, 86, 73, 68, 74, 128, 86, 73, 68, 
+    69, 79, 67, 65, 83, 83, 69, 84, 84, 69, 128, 86, 73, 68, 69, 207, 86, 73, 
+    68, 65, 128, 86, 73, 67, 84, 79, 82, 217, 86, 73, 66, 82, 65, 84, 73, 79, 
+    206, 86, 70, 65, 128, 86, 69, 89, 90, 128, 86, 69, 88, 128, 86, 69, 87, 
+    128, 86, 69, 215, 86, 69, 85, 88, 128, 86, 69, 85, 77, 128, 86, 69, 85, 
+    65, 69, 80, 69, 78, 128, 86, 69, 85, 65, 69, 128, 86, 69, 83, 84, 65, 
+    128, 86, 69, 83, 83, 69, 204, 86, 69, 82, 217, 86, 69, 82, 84, 73, 67, 
+    65, 76, 76, 89, 128, 86, 69, 82, 84, 73, 67, 65, 76, 76, 217, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 54, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 54, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 
+    48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 50, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 49, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 54, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 53, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 53, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 
+    48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 51, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 50, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 53, 45, 48, 49, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 53, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 52, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 52, 45, 
+    48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 52, 45, 48, 52, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 52, 45, 48, 51, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 52, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 52, 45, 48, 49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 52, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 
+    48, 54, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 48, 53, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 48, 52, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 51, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 51, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 51, 45, 48, 49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 51, 45, 
+    48, 48, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 54, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 53, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 50, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 50, 45, 48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 
+    48, 49, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 50, 45, 48, 48, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 54, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 49, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 49, 45, 48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 
+    48, 50, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 49, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 49, 45, 48, 48, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 54, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 45, 48, 48, 45, 48, 53, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 
+    48, 48, 45, 48, 52, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 
+    48, 51, 128, 86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 50, 128, 
+    86, 69, 82, 84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 49, 128, 86, 69, 82, 
+    84, 73, 67, 65, 76, 45, 48, 48, 45, 48, 48, 128, 86, 69, 82, 84, 73, 67, 
+    65, 76, 128, 86, 69, 82, 83, 73, 67, 76, 69, 128, 86, 69, 82, 83, 197, 
+    86, 69, 82, 71, 69, 128, 86, 69, 82, 68, 73, 71, 82, 73, 83, 128, 86, 69, 
+    82, 128, 86, 69, 80, 128, 86, 69, 78, 68, 128, 86, 69, 73, 76, 128, 86, 
     69, 72, 73, 67, 76, 69, 128, 86, 69, 72, 128, 86, 69, 200, 86, 69, 69, 
     128, 86, 69, 197, 86, 69, 68, 69, 128, 86, 69, 67, 84, 79, 210, 86, 65, 
     89, 65, 78, 78, 65, 128, 86, 65, 88, 128, 86, 65, 86, 128, 86, 65, 214, 
     86, 65, 85, 128, 86, 65, 84, 72, 89, 128, 86, 65, 84, 128, 86, 65, 83, 
     84, 78, 69, 83, 211, 86, 65, 83, 73, 83, 128, 86, 65, 82, 89, 211, 86, 
-    65, 82, 73, 75, 65, 128, 86, 65, 82, 73, 65, 78, 212, 86, 65, 82, 73, 65, 
-    128, 86, 65, 82, 73, 193, 86, 65, 82, 69, 73, 65, 201, 86, 65, 82, 69, 
-    73, 193, 86, 65, 80, 79, 85, 82, 83, 128, 86, 65, 80, 128, 86, 65, 78, 
-    69, 128, 86, 65, 77, 65, 71, 79, 77, 85, 75, 72, 65, 128, 86, 65, 77, 65, 
-    71, 79, 77, 85, 75, 72, 193, 86, 65, 76, 76, 69, 89, 128, 86, 65, 73, 
-    128, 86, 65, 72, 128, 86, 65, 65, 86, 85, 128, 86, 65, 65, 128, 86, 48, 
-    52, 48, 65, 128, 86, 48, 52, 48, 128, 86, 48, 51, 57, 128, 86, 48, 51, 
-    56, 128, 86, 48, 51, 55, 65, 128, 86, 48, 51, 55, 128, 86, 48, 51, 54, 
-    128, 86, 48, 51, 53, 128, 86, 48, 51, 52, 128, 86, 48, 51, 51, 65, 128, 
-    86, 48, 51, 51, 128, 86, 48, 51, 50, 128, 86, 48, 51, 49, 65, 128, 86, 
-    48, 51, 49, 128, 86, 48, 51, 48, 65, 128, 86, 48, 51, 48, 128, 86, 48, 
-    50, 57, 65, 128, 86, 48, 50, 57, 128, 86, 48, 50, 56, 65, 128, 86, 48, 
-    50, 56, 128, 86, 48, 50, 55, 128, 86, 48, 50, 54, 128, 86, 48, 50, 53, 
-    128, 86, 48, 50, 52, 128, 86, 48, 50, 51, 65, 128, 86, 48, 50, 51, 128, 
-    86, 48, 50, 50, 128, 86, 48, 50, 49, 128, 86, 48, 50, 48, 76, 128, 86, 
-    48, 50, 48, 75, 128, 86, 48, 50, 48, 74, 128, 86, 48, 50, 48, 73, 128, 
-    86, 48, 50, 48, 72, 128, 86, 48, 50, 48, 71, 128, 86, 48, 50, 48, 70, 
-    128, 86, 48, 50, 48, 69, 128, 86, 48, 50, 48, 68, 128, 86, 48, 50, 48, 
-    67, 128, 86, 48, 50, 48, 66, 128, 86, 48, 50, 48, 65, 128, 86, 48, 50, 
-    48, 128, 86, 48, 49, 57, 128, 86, 48, 49, 56, 128, 86, 48, 49, 55, 128, 
-    86, 48, 49, 54, 128, 86, 48, 49, 53, 128, 86, 48, 49, 52, 128, 86, 48, 
-    49, 51, 128, 86, 48, 49, 50, 66, 128, 86, 48, 49, 50, 65, 128, 86, 48, 
-    49, 50, 128, 86, 48, 49, 49, 67, 128, 86, 48, 49, 49, 66, 128, 86, 48, 
-    49, 49, 65, 128, 86, 48, 49, 49, 128, 86, 48, 49, 48, 128, 86, 48, 48, 
-    57, 128, 86, 48, 48, 56, 128, 86, 48, 48, 55, 66, 128, 86, 48, 48, 55, 
-    65, 128, 86, 48, 48, 55, 128, 86, 48, 48, 54, 128, 86, 48, 48, 53, 128, 
-    86, 48, 48, 52, 128, 86, 48, 48, 51, 128, 86, 48, 48, 50, 65, 128, 86, 
-    48, 48, 50, 128, 86, 48, 48, 49, 73, 128, 86, 48, 48, 49, 72, 128, 86, 
-    48, 48, 49, 71, 128, 86, 48, 48, 49, 70, 128, 86, 48, 48, 49, 69, 128, 
-    86, 48, 48, 49, 68, 128, 86, 48, 48, 49, 67, 128, 86, 48, 48, 49, 66, 
-    128, 86, 48, 48, 49, 65, 128, 86, 48, 48, 49, 128, 85, 90, 85, 128, 85, 
-    90, 51, 128, 85, 90, 179, 85, 89, 65, 78, 78, 65, 128, 85, 89, 128, 85, 
-    85, 89, 65, 78, 78, 65, 128, 85, 85, 85, 85, 128, 85, 85, 85, 51, 128, 
-    85, 85, 85, 50, 128, 85, 85, 69, 128, 85, 84, 85, 75, 73, 128, 85, 83, 
-    83, 85, 51, 128, 85, 83, 83, 85, 128, 85, 83, 72, 88, 128, 85, 83, 72, 
-    85, 77, 88, 128, 85, 83, 72, 69, 78, 78, 65, 128, 85, 83, 72, 50, 128, 
-    85, 83, 72, 128, 85, 83, 200, 85, 83, 69, 196, 85, 83, 69, 45, 50, 128, 
-    85, 83, 69, 45, 49, 128, 85, 83, 69, 128, 85, 83, 197, 85, 82, 85, 218, 
-    85, 82, 85, 83, 128, 85, 82, 85, 68, 65, 128, 85, 82, 85, 68, 193, 85, 
-    82, 85, 128, 85, 82, 213, 85, 82, 78, 128, 85, 82, 73, 78, 69, 128, 85, 
-    82, 73, 51, 128, 85, 82, 73, 128, 85, 82, 65, 78, 85, 83, 128, 85, 82, 
-    65, 128, 85, 82, 52, 128, 85, 82, 50, 128, 85, 82, 178, 85, 80, 87, 65, 
-    82, 68, 83, 128, 85, 80, 87, 65, 82, 68, 211, 85, 80, 87, 65, 82, 68, 
-    128, 85, 80, 87, 65, 82, 196, 85, 80, 84, 85, 82, 78, 128, 85, 80, 83, 
-    73, 76, 79, 78, 128, 85, 80, 83, 73, 76, 79, 206, 85, 80, 82, 73, 71, 72, 
-    212, 85, 80, 80, 69, 210, 85, 80, 65, 68, 72, 77, 65, 78, 73, 89, 65, 
-    128, 85, 80, 45, 80, 79, 73, 78, 84, 73, 78, 199, 85, 79, 78, 128, 85, 
-    78, 78, 128, 85, 78, 77, 65, 82, 82, 73, 69, 196, 85, 78, 75, 78, 79, 87, 
-    78, 128, 85, 78, 73, 86, 69, 82, 83, 65, 204, 85, 78, 73, 84, 89, 128, 
-    85, 78, 73, 84, 128, 85, 78, 73, 212, 85, 78, 73, 79, 78, 128, 85, 78, 
-    73, 79, 206, 85, 78, 73, 70, 73, 69, 196, 85, 78, 68, 207, 85, 78, 68, 
-    69, 82, 84, 73, 69, 128, 85, 78, 68, 69, 82, 76, 73, 78, 197, 85, 78, 68, 
-    69, 82, 68, 79, 84, 128, 85, 78, 68, 69, 82, 66, 65, 82, 128, 85, 78, 68, 
-    69, 210, 85, 78, 67, 73, 193, 85, 78, 65, 83, 80, 73, 82, 65, 84, 69, 68, 
-    128, 85, 78, 65, 80, 128, 85, 78, 65, 77, 85, 83, 69, 196, 85, 78, 65, 
-    128, 85, 206, 85, 77, 85, 77, 128, 85, 77, 85, 205, 85, 77, 66, 82, 69, 
-    76, 76, 65, 128, 85, 77, 66, 82, 69, 76, 76, 193, 85, 77, 66, 73, 78, 
-    128, 85, 75, 85, 128, 85, 75, 82, 65, 73, 78, 73, 65, 206, 85, 75, 65, 
-    82, 65, 128, 85, 75, 65, 82, 193, 85, 75, 128, 85, 73, 76, 76, 69, 65, 
-    78, 78, 128, 85, 73, 71, 72, 85, 210, 85, 71, 65, 82, 73, 84, 73, 195, 
-    85, 69, 89, 128, 85, 69, 73, 128, 85, 69, 69, 128, 85, 69, 65, 128, 85, 
-    68, 85, 71, 128, 85, 68, 65, 84, 84, 65, 128, 85, 68, 65, 84, 84, 193, 
-    85, 68, 65, 65, 84, 128, 85, 68, 128, 85, 196, 85, 67, 128, 85, 66, 85, 
-    70, 73, 76, 73, 128, 85, 66, 72, 65, 89, 65, 84, 207, 85, 66, 65, 68, 65, 
-    77, 65, 128, 85, 66, 128, 85, 65, 84, 72, 128, 85, 65, 78, 71, 128, 85, 
-    65, 128, 85, 178, 85, 48, 52, 50, 128, 85, 48, 52, 49, 128, 85, 48, 52, 
-    48, 128, 85, 48, 51, 57, 128, 85, 48, 51, 56, 128, 85, 48, 51, 55, 128, 
-    85, 48, 51, 54, 128, 85, 48, 51, 53, 128, 85, 48, 51, 52, 128, 85, 48, 
-    51, 51, 128, 85, 48, 51, 50, 65, 128, 85, 48, 51, 50, 128, 85, 48, 51, 
-    49, 128, 85, 48, 51, 48, 128, 85, 48, 50, 57, 65, 128, 85, 48, 50, 57, 
-    128, 85, 48, 50, 56, 128, 85, 48, 50, 55, 128, 85, 48, 50, 54, 128, 85, 
-    48, 50, 53, 128, 85, 48, 50, 52, 128, 85, 48, 50, 51, 65, 128, 85, 48, 
-    50, 51, 128, 85, 48, 50, 50, 128, 85, 48, 50, 49, 128, 85, 48, 50, 48, 
-    128, 85, 48, 49, 57, 128, 85, 48, 49, 56, 128, 85, 48, 49, 55, 128, 85, 
-    48, 49, 54, 128, 85, 48, 49, 53, 128, 85, 48, 49, 52, 128, 85, 48, 49, 
-    51, 128, 85, 48, 49, 50, 128, 85, 48, 49, 49, 128, 85, 48, 49, 48, 128, 
-    85, 48, 48, 57, 128, 85, 48, 48, 56, 128, 85, 48, 48, 55, 128, 85, 48, 
-    48, 54, 66, 128, 85, 48, 48, 54, 65, 128, 85, 48, 48, 54, 128, 85, 48, 
-    48, 53, 128, 85, 48, 48, 52, 128, 85, 48, 48, 51, 128, 85, 48, 48, 50, 
-    128, 85, 48, 48, 49, 128, 85, 45, 73, 45, 73, 128, 85, 45, 69, 79, 45, 
-    69, 85, 128, 85, 45, 66, 82, 74, 71, 85, 128, 84, 90, 85, 128, 84, 90, 
-    79, 65, 128, 84, 90, 79, 128, 84, 90, 73, 210, 84, 90, 73, 128, 84, 90, 
-    69, 69, 128, 84, 90, 69, 128, 84, 90, 65, 65, 128, 84, 90, 65, 128, 84, 
-    90, 128, 84, 89, 210, 84, 89, 80, 69, 45, 183, 84, 89, 80, 69, 45, 182, 
-    84, 89, 80, 69, 45, 181, 84, 89, 80, 69, 45, 180, 84, 89, 80, 69, 45, 
-    179, 84, 89, 80, 69, 45, 178, 84, 89, 80, 69, 45, 177, 84, 89, 80, 197, 
-    84, 89, 79, 128, 84, 89, 73, 128, 84, 89, 69, 128, 84, 89, 65, 128, 84, 
-    87, 79, 79, 128, 84, 87, 79, 45, 87, 65, 217, 84, 87, 79, 45, 84, 72, 73, 
-    82, 84, 89, 128, 84, 87, 79, 45, 76, 73, 78, 197, 84, 87, 79, 45, 72, 69, 
-    65, 68, 69, 196, 84, 87, 79, 45, 69, 205, 84, 87, 73, 83, 84, 69, 196, 
-    84, 87, 73, 73, 128, 84, 87, 73, 128, 84, 87, 69, 78, 84, 89, 45, 84, 87, 
-    79, 128, 84, 87, 69, 78, 84, 89, 45, 84, 72, 82, 69, 69, 128, 84, 87, 69, 
-    78, 84, 89, 45, 83, 73, 88, 128, 84, 87, 69, 78, 84, 89, 45, 83, 69, 86, 
-    69, 78, 128, 84, 87, 69, 78, 84, 89, 45, 79, 78, 69, 128, 84, 87, 69, 78, 
-    84, 89, 45, 78, 73, 78, 69, 128, 84, 87, 69, 78, 84, 89, 45, 70, 79, 85, 
-    82, 128, 84, 87, 69, 78, 84, 89, 45, 70, 73, 86, 69, 128, 84, 87, 69, 78, 
-    84, 89, 45, 69, 73, 71, 72, 84, 200, 84, 87, 69, 78, 84, 89, 45, 69, 73, 
-    71, 72, 84, 128, 84, 87, 69, 78, 84, 89, 128, 84, 87, 69, 78, 84, 217, 
-    84, 87, 69, 76, 86, 69, 45, 84, 72, 73, 82, 84, 89, 128, 84, 87, 69, 76, 
-    86, 69, 128, 84, 87, 69, 76, 86, 197, 84, 87, 69, 128, 84, 87, 65, 65, 
-    128, 84, 87, 65, 128, 84, 86, 82, 73, 68, 79, 128, 84, 86, 73, 77, 65, 
-    68, 85, 210, 84, 85, 88, 128, 84, 85, 85, 77, 85, 128, 84, 85, 85, 128, 
-    84, 85, 84, 84, 89, 128, 84, 85, 84, 69, 89, 65, 83, 65, 84, 128, 84, 85, 
-    84, 128, 84, 85, 82, 88, 128, 84, 85, 82, 85, 128, 84, 85, 82, 84, 76, 
-    69, 128, 84, 85, 82, 79, 50, 128, 84, 85, 82, 78, 83, 84, 73, 76, 69, 
-    128, 84, 85, 82, 78, 69, 196, 84, 85, 82, 206, 84, 85, 82, 75, 73, 83, 
-    200, 84, 85, 82, 66, 65, 78, 128, 84, 85, 82, 128, 84, 85, 80, 128, 84, 
-    85, 79, 88, 128, 84, 85, 79, 84, 128, 84, 85, 79, 80, 128, 84, 85, 79, 
-    128, 84, 85, 78, 78, 89, 128, 84, 85, 77, 69, 84, 69, 83, 128, 84, 85, 
-    77, 65, 69, 128, 84, 85, 77, 128, 84, 85, 76, 73, 80, 128, 84, 85, 75, 
-    87, 69, 78, 84, 73, 83, 128, 84, 85, 75, 128, 84, 85, 71, 82, 73, 203, 
-    84, 85, 71, 50, 128, 84, 85, 71, 178, 84, 85, 65, 82, 69, 199, 84, 85, 
-    65, 69, 80, 128, 84, 85, 65, 69, 128, 84, 213, 84, 84, 85, 85, 128, 84, 
-    84, 85, 68, 68, 65, 71, 128, 84, 84, 85, 68, 68, 65, 65, 71, 128, 84, 84, 
-    85, 128, 84, 84, 84, 72, 65, 128, 84, 84, 84, 65, 128, 84, 84, 83, 85, 
-    128, 84, 84, 83, 79, 128, 84, 84, 83, 73, 128, 84, 84, 83, 69, 69, 128, 
-    84, 84, 83, 69, 128, 84, 84, 83, 65, 128, 84, 84, 79, 79, 128, 84, 84, 
-    73, 73, 128, 84, 84, 73, 128, 84, 84, 72, 87, 69, 128, 84, 84, 72, 85, 
-    128, 84, 84, 72, 79, 79, 128, 84, 84, 72, 79, 128, 84, 84, 72, 73, 128, 
-    84, 84, 72, 69, 69, 128, 84, 84, 72, 69, 128, 84, 84, 72, 65, 65, 128, 
-    84, 84, 72, 128, 84, 84, 69, 72, 69, 72, 128, 84, 84, 69, 72, 69, 200, 
-    84, 84, 69, 72, 128, 84, 84, 69, 200, 84, 84, 69, 69, 128, 84, 84, 65, 
-    89, 65, 78, 78, 65, 128, 84, 84, 65, 85, 128, 84, 84, 65, 73, 128, 84, 
-    84, 65, 65, 128, 84, 84, 50, 128, 84, 83, 87, 69, 128, 84, 83, 87, 65, 
-    128, 84, 83, 86, 128, 84, 83, 83, 69, 128, 84, 83, 83, 65, 128, 84, 83, 
-    72, 85, 71, 83, 128, 84, 83, 72, 79, 79, 75, 128, 84, 83, 72, 79, 79, 
-    203, 84, 83, 72, 69, 83, 128, 84, 83, 72, 69, 71, 128, 84, 83, 72, 69, 
-    199, 84, 83, 72, 69, 128, 84, 83, 72, 65, 128, 84, 83, 69, 82, 69, 128, 
-    84, 83, 65, 68, 73, 128, 84, 83, 65, 68, 201, 84, 83, 65, 65, 68, 73, 89, 
-    128, 84, 83, 65, 65, 128, 84, 83, 193, 84, 82, 89, 66, 76, 73, 79, 206, 
-    84, 82, 85, 84, 72, 128, 84, 82, 85, 78, 75, 128, 84, 82, 85, 78, 67, 65, 
-    84, 69, 196, 84, 82, 85, 77, 80, 69, 84, 128, 84, 82, 85, 69, 128, 84, 
-    82, 85, 67, 75, 128, 84, 82, 79, 80, 73, 67, 65, 204, 84, 82, 79, 80, 72, 
-    89, 128, 84, 82, 79, 77, 73, 75, 79, 83, 89, 78, 65, 71, 77, 65, 128, 84, 
-    82, 79, 77, 73, 75, 79, 80, 83, 73, 70, 73, 83, 84, 79, 78, 128, 84, 82, 
-    79, 77, 73, 75, 79, 80, 65, 82, 65, 75, 65, 76, 69, 83, 77, 65, 128, 84, 
-    82, 79, 77, 73, 75, 79, 78, 128, 84, 82, 79, 77, 73, 75, 79, 206, 84, 82, 
-    79, 77, 73, 75, 79, 76, 89, 71, 73, 83, 77, 65, 128, 84, 82, 79, 76, 76, 
-    69, 89, 66, 85, 83, 128, 84, 82, 79, 75, 85, 84, 65, 83, 84, 201, 84, 82, 
-    79, 69, 90, 69, 78, 73, 65, 206, 84, 82, 73, 85, 77, 80, 72, 128, 84, 82, 
-    73, 84, 79, 211, 84, 82, 73, 84, 73, 77, 79, 82, 73, 79, 78, 128, 84, 82, 
-    73, 83, 73, 77, 79, 85, 128, 84, 82, 73, 83, 69, 77, 69, 128, 84, 82, 73, 
-    80, 79, 68, 128, 84, 82, 73, 80, 76, 73, 128, 84, 82, 73, 80, 76, 197, 
-    84, 82, 73, 79, 206, 84, 82, 73, 73, 83, 65, 80, 128, 84, 82, 73, 71, 82, 
-    65, 77, 77, 79, 211, 84, 82, 73, 71, 82, 65, 205, 84, 82, 73, 71, 79, 82, 
-    71, 79, 78, 128, 84, 82, 73, 70, 79, 78, 73, 65, 83, 128, 84, 82, 73, 70, 
-    79, 76, 73, 65, 84, 197, 84, 82, 73, 68, 69, 78, 84, 128, 84, 82, 73, 68, 
-    69, 78, 212, 84, 82, 73, 67, 79, 76, 79, 78, 128, 84, 82, 73, 65, 78, 71, 
-    85, 76, 65, 210, 84, 82, 73, 65, 78, 71, 76, 69, 45, 82, 79, 85, 78, 196, 
-    84, 82, 73, 65, 78, 71, 76, 69, 45, 72, 69, 65, 68, 69, 196, 84, 82, 73, 
-    65, 78, 71, 76, 69, 128, 84, 82, 73, 65, 78, 71, 76, 197, 84, 82, 73, 65, 
-    128, 84, 82, 73, 128, 84, 82, 69, 83, 73, 76, 76, 79, 128, 84, 82, 69, 
-    78, 68, 128, 84, 82, 69, 78, 196, 84, 82, 69, 77, 79, 76, 79, 45, 51, 
+    65, 82, 73, 75, 65, 128, 86, 65, 82, 73, 65, 78, 84, 128, 86, 65, 82, 73, 
+    65, 78, 212, 86, 65, 82, 73, 65, 128, 86, 65, 82, 73, 193, 86, 65, 82, 
+    69, 73, 65, 201, 86, 65, 82, 69, 73, 193, 86, 65, 80, 79, 85, 82, 83, 
+    128, 86, 65, 80, 128, 86, 65, 78, 69, 128, 86, 65, 77, 65, 71, 79, 77, 
+    85, 75, 72, 65, 128, 86, 65, 77, 65, 71, 79, 77, 85, 75, 72, 193, 86, 65, 
+    76, 76, 69, 89, 128, 86, 65, 74, 128, 86, 65, 73, 128, 86, 65, 72, 128, 
+    86, 65, 200, 86, 65, 65, 86, 85, 128, 86, 65, 65, 128, 86, 48, 52, 48, 
+    65, 128, 86, 48, 52, 48, 128, 86, 48, 51, 57, 128, 86, 48, 51, 56, 128, 
+    86, 48, 51, 55, 65, 128, 86, 48, 51, 55, 128, 86, 48, 51, 54, 128, 86, 
+    48, 51, 53, 128, 86, 48, 51, 52, 128, 86, 48, 51, 51, 65, 128, 86, 48, 
+    51, 51, 128, 86, 48, 51, 50, 128, 86, 48, 51, 49, 65, 128, 86, 48, 51, 
+    49, 128, 86, 48, 51, 48, 65, 128, 86, 48, 51, 48, 128, 86, 48, 50, 57, 
+    65, 128, 86, 48, 50, 57, 128, 86, 48, 50, 56, 65, 128, 86, 48, 50, 56, 
+    128, 86, 48, 50, 55, 128, 86, 48, 50, 54, 128, 86, 48, 50, 53, 128, 86, 
+    48, 50, 52, 128, 86, 48, 50, 51, 65, 128, 86, 48, 50, 51, 128, 86, 48, 
+    50, 50, 128, 86, 48, 50, 49, 128, 86, 48, 50, 48, 76, 128, 86, 48, 50, 
+    48, 75, 128, 86, 48, 50, 48, 74, 128, 86, 48, 50, 48, 73, 128, 86, 48, 
+    50, 48, 72, 128, 86, 48, 50, 48, 71, 128, 86, 48, 50, 48, 70, 128, 86, 
+    48, 50, 48, 69, 128, 86, 48, 50, 48, 68, 128, 86, 48, 50, 48, 67, 128, 
+    86, 48, 50, 48, 66, 128, 86, 48, 50, 48, 65, 128, 86, 48, 50, 48, 128, 
+    86, 48, 49, 57, 128, 86, 48, 49, 56, 128, 86, 48, 49, 55, 128, 86, 48, 
+    49, 54, 128, 86, 48, 49, 53, 128, 86, 48, 49, 52, 128, 86, 48, 49, 51, 
+    128, 86, 48, 49, 50, 66, 128, 86, 48, 49, 50, 65, 128, 86, 48, 49, 50, 
+    128, 86, 48, 49, 49, 67, 128, 86, 48, 49, 49, 66, 128, 86, 48, 49, 49, 
+    65, 128, 86, 48, 49, 49, 128, 86, 48, 49, 48, 128, 86, 48, 48, 57, 128, 
+    86, 48, 48, 56, 128, 86, 48, 48, 55, 66, 128, 86, 48, 48, 55, 65, 128, 
+    86, 48, 48, 55, 128, 86, 48, 48, 54, 128, 86, 48, 48, 53, 128, 86, 48, 
+    48, 52, 128, 86, 48, 48, 51, 128, 86, 48, 48, 50, 65, 128, 86, 48, 48, 
+    50, 128, 86, 48, 48, 49, 73, 128, 86, 48, 48, 49, 72, 128, 86, 48, 48, 
+    49, 71, 128, 86, 48, 48, 49, 70, 128, 86, 48, 48, 49, 69, 128, 86, 48, 
+    48, 49, 68, 128, 86, 48, 48, 49, 67, 128, 86, 48, 48, 49, 66, 128, 86, 
+    48, 48, 49, 65, 128, 86, 48, 48, 49, 128, 85, 90, 85, 128, 85, 90, 51, 
+    128, 85, 90, 179, 85, 89, 65, 78, 78, 65, 128, 85, 89, 128, 85, 87, 85, 
+    128, 85, 85, 89, 65, 78, 78, 65, 128, 85, 85, 85, 85, 128, 85, 85, 85, 
+    51, 128, 85, 85, 85, 50, 128, 85, 85, 69, 128, 85, 84, 85, 75, 73, 128, 
+    85, 83, 83, 85, 51, 128, 85, 83, 83, 85, 128, 85, 83, 72, 88, 128, 85, 
+    83, 72, 85, 77, 88, 128, 85, 83, 72, 69, 78, 78, 65, 128, 85, 83, 72, 50, 
+    128, 85, 83, 72, 128, 85, 83, 200, 85, 83, 69, 196, 85, 83, 69, 45, 50, 
+    128, 85, 83, 69, 45, 49, 128, 85, 83, 69, 128, 85, 83, 197, 85, 82, 85, 
+    218, 85, 82, 85, 83, 128, 85, 82, 85, 68, 65, 128, 85, 82, 85, 68, 193, 
+    85, 82, 85, 128, 85, 82, 213, 85, 82, 78, 128, 85, 82, 73, 78, 69, 128, 
+    85, 82, 73, 51, 128, 85, 82, 73, 128, 85, 82, 65, 78, 85, 83, 128, 85, 
+    82, 65, 128, 85, 82, 52, 128, 85, 82, 50, 128, 85, 82, 178, 85, 80, 87, 
+    65, 82, 68, 83, 128, 85, 80, 87, 65, 82, 68, 128, 85, 80, 87, 65, 82, 
+    196, 85, 80, 84, 85, 82, 78, 128, 85, 80, 83, 73, 76, 79, 78, 128, 85, 
+    80, 83, 73, 76, 79, 206, 85, 80, 82, 73, 71, 72, 212, 85, 80, 80, 69, 
+    210, 85, 80, 65, 68, 72, 77, 65, 78, 73, 89, 65, 128, 85, 80, 45, 80, 79, 
+    73, 78, 84, 73, 78, 199, 85, 79, 78, 128, 85, 78, 78, 128, 85, 78, 77, 
+    65, 82, 82, 73, 69, 196, 85, 78, 75, 78, 79, 87, 78, 128, 85, 78, 73, 86, 
+    69, 82, 83, 65, 204, 85, 78, 73, 84, 89, 128, 85, 78, 73, 84, 128, 85, 
+    78, 73, 212, 85, 78, 73, 79, 78, 128, 85, 78, 73, 79, 206, 85, 78, 73, 
+    70, 73, 69, 196, 85, 78, 68, 207, 85, 78, 68, 69, 82, 84, 73, 69, 128, 
+    85, 78, 68, 69, 82, 76, 73, 78, 197, 85, 78, 68, 69, 82, 68, 79, 84, 128, 
+    85, 78, 68, 69, 82, 66, 65, 82, 128, 85, 78, 68, 69, 210, 85, 78, 67, 73, 
+    193, 85, 78, 67, 69, 82, 84, 65, 73, 78, 84, 217, 85, 78, 65, 83, 80, 73, 
+    82, 65, 84, 69, 68, 128, 85, 78, 65, 80, 128, 85, 78, 65, 77, 85, 83, 69, 
+    196, 85, 78, 65, 128, 85, 206, 85, 77, 85, 77, 128, 85, 77, 85, 205, 85, 
+    77, 66, 82, 69, 76, 76, 65, 128, 85, 77, 66, 82, 69, 76, 76, 193, 85, 77, 
+    66, 73, 78, 128, 85, 75, 85, 128, 85, 75, 82, 65, 73, 78, 73, 65, 206, 
+    85, 75, 65, 82, 65, 128, 85, 75, 65, 82, 193, 85, 75, 128, 85, 73, 76, 
+    76, 69, 65, 78, 78, 128, 85, 73, 71, 72, 85, 210, 85, 71, 65, 82, 73, 84, 
+    73, 195, 85, 69, 89, 128, 85, 69, 73, 128, 85, 69, 69, 128, 85, 69, 65, 
+    128, 85, 68, 85, 71, 128, 85, 68, 65, 84, 84, 65, 128, 85, 68, 65, 84, 
+    84, 193, 85, 68, 65, 65, 84, 128, 85, 68, 128, 85, 196, 85, 67, 128, 85, 
+    66, 85, 70, 73, 76, 73, 128, 85, 66, 72, 65, 89, 65, 84, 207, 85, 66, 65, 
+    68, 65, 77, 65, 128, 85, 66, 128, 85, 65, 84, 72, 128, 85, 65, 78, 71, 
+    128, 85, 65, 128, 85, 178, 85, 48, 52, 50, 128, 85, 48, 52, 49, 128, 85, 
+    48, 52, 48, 128, 85, 48, 51, 57, 128, 85, 48, 51, 56, 128, 85, 48, 51, 
+    55, 128, 85, 48, 51, 54, 128, 85, 48, 51, 53, 128, 85, 48, 51, 52, 128, 
+    85, 48, 51, 51, 128, 85, 48, 51, 50, 65, 128, 85, 48, 51, 50, 128, 85, 
+    48, 51, 49, 128, 85, 48, 51, 48, 128, 85, 48, 50, 57, 65, 128, 85, 48, 
+    50, 57, 128, 85, 48, 50, 56, 128, 85, 48, 50, 55, 128, 85, 48, 50, 54, 
+    128, 85, 48, 50, 53, 128, 85, 48, 50, 52, 128, 85, 48, 50, 51, 65, 128, 
+    85, 48, 50, 51, 128, 85, 48, 50, 50, 128, 85, 48, 50, 49, 128, 85, 48, 
+    50, 48, 128, 85, 48, 49, 57, 128, 85, 48, 49, 56, 128, 85, 48, 49, 55, 
+    128, 85, 48, 49, 54, 128, 85, 48, 49, 53, 128, 85, 48, 49, 52, 128, 85, 
+    48, 49, 51, 128, 85, 48, 49, 50, 128, 85, 48, 49, 49, 128, 85, 48, 49, 
+    48, 128, 85, 48, 48, 57, 128, 85, 48, 48, 56, 128, 85, 48, 48, 55, 128, 
+    85, 48, 48, 54, 66, 128, 85, 48, 48, 54, 65, 128, 85, 48, 48, 54, 128, 
+    85, 48, 48, 53, 128, 85, 48, 48, 52, 128, 85, 48, 48, 51, 128, 85, 48, 
+    48, 50, 128, 85, 48, 48, 49, 128, 85, 45, 83, 72, 65, 80, 69, 196, 85, 
+    45, 73, 45, 73, 128, 85, 45, 69, 79, 45, 69, 85, 128, 85, 45, 66, 82, 74, 
+    71, 85, 128, 84, 90, 85, 128, 84, 90, 79, 65, 128, 84, 90, 79, 128, 84, 
+    90, 73, 210, 84, 90, 73, 128, 84, 90, 69, 69, 128, 84, 90, 69, 128, 84, 
+    90, 65, 65, 128, 84, 90, 65, 128, 84, 90, 128, 84, 89, 210, 84, 89, 80, 
+    69, 45, 183, 84, 89, 80, 69, 45, 182, 84, 89, 80, 69, 45, 181, 84, 89, 
+    80, 69, 45, 180, 84, 89, 80, 69, 45, 179, 84, 89, 80, 69, 45, 178, 84, 
+    89, 80, 69, 45, 177, 84, 89, 80, 197, 84, 89, 79, 128, 84, 89, 73, 128, 
+    84, 89, 69, 128, 84, 89, 65, 89, 128, 84, 89, 65, 128, 84, 88, 87, 86, 
+    128, 84, 88, 87, 214, 84, 88, 72, 69, 69, 202, 84, 87, 79, 79, 128, 84, 
+    87, 79, 45, 87, 65, 217, 84, 87, 79, 45, 84, 72, 73, 82, 84, 89, 128, 84, 
+    87, 79, 45, 76, 73, 78, 197, 84, 87, 79, 45, 72, 69, 65, 68, 69, 196, 84, 
+    87, 79, 45, 69, 205, 84, 87, 73, 83, 84, 69, 196, 84, 87, 73, 73, 128, 
+    84, 87, 73, 128, 84, 87, 69, 78, 84, 89, 45, 84, 87, 79, 128, 84, 87, 69, 
+    78, 84, 89, 45, 84, 72, 82, 69, 69, 128, 84, 87, 69, 78, 84, 89, 45, 83, 
+    73, 88, 128, 84, 87, 69, 78, 84, 89, 45, 83, 69, 86, 69, 78, 128, 84, 87, 
+    69, 78, 84, 89, 45, 79, 78, 69, 128, 84, 87, 69, 78, 84, 89, 45, 78, 73, 
+    78, 69, 128, 84, 87, 69, 78, 84, 89, 45, 70, 79, 85, 82, 128, 84, 87, 69, 
+    78, 84, 89, 45, 70, 73, 86, 69, 128, 84, 87, 69, 78, 84, 89, 45, 69, 73, 
+    71, 72, 84, 200, 84, 87, 69, 78, 84, 89, 45, 69, 73, 71, 72, 84, 128, 84, 
+    87, 69, 78, 84, 89, 128, 84, 87, 69, 78, 84, 217, 84, 87, 69, 76, 86, 69, 
+    45, 84, 72, 73, 82, 84, 89, 128, 84, 87, 69, 76, 86, 69, 128, 84, 87, 69, 
+    76, 86, 197, 84, 87, 69, 128, 84, 87, 65, 65, 128, 84, 87, 65, 128, 84, 
+    86, 82, 73, 68, 79, 128, 84, 86, 73, 77, 65, 68, 85, 210, 84, 85, 88, 
+    128, 84, 85, 85, 77, 85, 128, 84, 85, 85, 128, 84, 85, 84, 84, 89, 128, 
+    84, 85, 84, 69, 89, 65, 83, 65, 84, 128, 84, 85, 84, 128, 84, 85, 82, 88, 
+    128, 84, 85, 82, 85, 128, 84, 85, 82, 84, 76, 69, 128, 84, 85, 82, 79, 
+    50, 128, 84, 85, 82, 78, 83, 84, 73, 76, 69, 128, 84, 85, 82, 206, 84, 
+    85, 82, 75, 73, 83, 200, 84, 85, 82, 75, 73, 195, 84, 85, 82, 66, 65, 78, 
+    128, 84, 85, 82, 128, 84, 85, 80, 128, 84, 85, 79, 88, 128, 84, 85, 79, 
+    84, 128, 84, 85, 79, 80, 128, 84, 85, 79, 128, 84, 85, 78, 78, 89, 128, 
+    84, 85, 77, 69, 84, 69, 83, 128, 84, 85, 77, 65, 69, 128, 84, 85, 77, 
+    128, 84, 85, 76, 73, 80, 128, 84, 85, 75, 87, 69, 78, 84, 73, 83, 128, 
+    84, 85, 75, 128, 84, 85, 71, 82, 73, 203, 84, 85, 71, 50, 128, 84, 85, 
+    71, 178, 84, 85, 66, 128, 84, 85, 65, 82, 69, 199, 84, 85, 65, 69, 80, 
+    128, 84, 85, 65, 69, 128, 84, 213, 84, 84, 85, 85, 128, 84, 84, 85, 68, 
+    68, 65, 71, 128, 84, 84, 85, 68, 68, 65, 65, 71, 128, 84, 84, 85, 128, 
+    84, 84, 84, 72, 65, 128, 84, 84, 84, 65, 128, 84, 84, 83, 85, 128, 84, 
+    84, 83, 79, 128, 84, 84, 83, 73, 128, 84, 84, 83, 69, 69, 128, 84, 84, 
+    83, 69, 128, 84, 84, 83, 65, 128, 84, 84, 79, 79, 128, 84, 84, 73, 73, 
+    128, 84, 84, 73, 128, 84, 84, 72, 87, 69, 128, 84, 84, 72, 85, 128, 84, 
+    84, 72, 79, 79, 128, 84, 84, 72, 79, 128, 84, 84, 72, 73, 128, 84, 84, 
+    72, 69, 69, 128, 84, 84, 72, 69, 128, 84, 84, 72, 65, 65, 128, 84, 84, 
+    72, 128, 84, 84, 69, 72, 69, 72, 128, 84, 84, 69, 72, 69, 200, 84, 84, 
+    69, 72, 128, 84, 84, 69, 200, 84, 84, 69, 69, 128, 84, 84, 65, 89, 65, 
+    78, 78, 65, 128, 84, 84, 65, 85, 128, 84, 84, 65, 73, 128, 84, 84, 65, 
+    65, 128, 84, 84, 50, 128, 84, 83, 87, 69, 128, 84, 83, 87, 66, 128, 84, 
+    83, 87, 65, 128, 84, 83, 86, 128, 84, 83, 83, 69, 128, 84, 83, 83, 65, 
+    128, 84, 83, 79, 214, 84, 83, 73, 85, 128, 84, 83, 72, 85, 71, 83, 128, 
+    84, 83, 72, 79, 79, 75, 128, 84, 83, 72, 79, 79, 203, 84, 83, 72, 79, 79, 
+    74, 128, 84, 83, 72, 69, 83, 128, 84, 83, 72, 69, 71, 128, 84, 83, 72, 
+    69, 199, 84, 83, 72, 69, 69, 74, 128, 84, 83, 72, 69, 128, 84, 83, 72, 
+    65, 194, 84, 83, 72, 65, 128, 84, 83, 69, 82, 69, 128, 84, 83, 69, 69, 
+    66, 128, 84, 83, 65, 68, 73, 128, 84, 83, 65, 68, 201, 84, 83, 65, 66, 
+    128, 84, 83, 65, 65, 68, 73, 89, 128, 84, 83, 65, 65, 128, 84, 83, 193, 
+    84, 82, 89, 66, 76, 73, 79, 206, 84, 82, 85, 84, 72, 128, 84, 82, 85, 78, 
+    75, 128, 84, 82, 85, 78, 67, 65, 84, 69, 196, 84, 82, 85, 77, 80, 69, 84, 
+    128, 84, 82, 85, 77, 80, 45, 57, 128, 84, 82, 85, 77, 80, 45, 56, 128, 
+    84, 82, 85, 77, 80, 45, 55, 128, 84, 82, 85, 77, 80, 45, 54, 128, 84, 82, 
+    85, 77, 80, 45, 53, 128, 84, 82, 85, 77, 80, 45, 52, 128, 84, 82, 85, 77, 
+    80, 45, 51, 128, 84, 82, 85, 77, 80, 45, 50, 49, 128, 84, 82, 85, 77, 80, 
+    45, 50, 48, 128, 84, 82, 85, 77, 80, 45, 50, 128, 84, 82, 85, 77, 80, 45, 
+    49, 57, 128, 84, 82, 85, 77, 80, 45, 49, 56, 128, 84, 82, 85, 77, 80, 45, 
+    49, 55, 128, 84, 82, 85, 77, 80, 45, 49, 54, 128, 84, 82, 85, 77, 80, 45, 
+    49, 53, 128, 84, 82, 85, 77, 80, 45, 49, 52, 128, 84, 82, 85, 77, 80, 45, 
+    49, 51, 128, 84, 82, 85, 77, 80, 45, 49, 50, 128, 84, 82, 85, 77, 80, 45, 
+    49, 49, 128, 84, 82, 85, 77, 80, 45, 49, 48, 128, 84, 82, 85, 77, 80, 45, 
+    49, 128, 84, 82, 85, 69, 128, 84, 82, 85, 67, 75, 128, 84, 82, 79, 80, 
+    73, 67, 65, 204, 84, 82, 79, 80, 72, 89, 128, 84, 82, 79, 77, 73, 75, 79, 
+    83, 89, 78, 65, 71, 77, 65, 128, 84, 82, 79, 77, 73, 75, 79, 80, 83, 73, 
+    70, 73, 83, 84, 79, 78, 128, 84, 82, 79, 77, 73, 75, 79, 80, 65, 82, 65, 
+    75, 65, 76, 69, 83, 77, 65, 128, 84, 82, 79, 77, 73, 75, 79, 78, 128, 84, 
+    82, 79, 77, 73, 75, 79, 206, 84, 82, 79, 77, 73, 75, 79, 76, 89, 71, 73, 
+    83, 77, 65, 128, 84, 82, 79, 76, 76, 69, 89, 66, 85, 83, 128, 84, 82, 79, 
+    75, 85, 84, 65, 83, 84, 201, 84, 82, 79, 69, 90, 69, 78, 73, 65, 206, 84, 
+    82, 73, 85, 77, 80, 72, 128, 84, 82, 73, 84, 79, 211, 84, 82, 73, 84, 73, 
+    77, 79, 82, 73, 79, 78, 128, 84, 82, 73, 83, 73, 77, 79, 85, 128, 84, 82, 
+    73, 83, 69, 77, 69, 128, 84, 82, 73, 80, 79, 68, 128, 84, 82, 73, 80, 76, 
+    73, 128, 84, 82, 73, 80, 76, 197, 84, 82, 73, 79, 206, 84, 82, 73, 76, 
+    76, 73, 79, 78, 83, 128, 84, 82, 73, 73, 83, 65, 80, 128, 84, 82, 73, 71, 
+    82, 65, 77, 77, 79, 211, 84, 82, 73, 71, 82, 65, 205, 84, 82, 73, 71, 79, 
+    82, 71, 79, 78, 128, 84, 82, 73, 70, 79, 78, 73, 65, 83, 128, 84, 82, 73, 
+    70, 79, 76, 73, 65, 84, 197, 84, 82, 73, 68, 69, 78, 84, 128, 84, 82, 73, 
+    68, 69, 78, 212, 84, 82, 73, 67, 79, 76, 79, 78, 128, 84, 82, 73, 65, 78, 
+    71, 85, 76, 65, 210, 84, 82, 73, 65, 78, 71, 76, 69, 45, 82, 79, 85, 78, 
+    196, 84, 82, 73, 65, 78, 71, 76, 69, 45, 72, 69, 65, 68, 69, 196, 84, 82, 
+    73, 65, 78, 71, 76, 69, 128, 84, 82, 73, 65, 78, 71, 76, 197, 84, 82, 73, 
+    65, 128, 84, 82, 73, 128, 84, 82, 69, 83, 73, 76, 76, 79, 128, 84, 82, 
+    69, 78, 68, 128, 84, 82, 69, 78, 196, 84, 82, 69, 77, 79, 76, 79, 45, 51, 
     128, 84, 82, 69, 77, 79, 76, 79, 45, 50, 128, 84, 82, 69, 77, 79, 76, 79, 
     45, 49, 128, 84, 82, 69, 69, 128, 84, 82, 69, 197, 84, 82, 69, 65, 68, 
     73, 78, 71, 128, 84, 82, 65, 89, 128, 84, 82, 65, 80, 69, 90, 73, 85, 77, 
@@ -583,1414 +611,1483 @@ static unsigned char lexicon[] = {
     84, 82, 65, 205, 84, 82, 65, 73, 78, 128, 84, 82, 65, 73, 206, 84, 82, 
     65, 73, 76, 73, 78, 199, 84, 82, 65, 70, 70, 73, 67, 128, 84, 82, 65, 70, 
     70, 73, 195, 84, 82, 65, 68, 197, 84, 82, 65, 67, 84, 79, 82, 128, 84, 
-    82, 65, 67, 75, 128, 84, 82, 128, 84, 79, 88, 128, 84, 79, 87, 69, 82, 
-    128, 84, 79, 85, 82, 78, 79, 73, 211, 84, 79, 84, 65, 204, 84, 79, 84, 
-    128, 84, 79, 82, 84, 79, 73, 83, 197, 84, 79, 82, 67, 85, 76, 85, 83, 
-    128, 84, 79, 82, 67, 85, 76, 85, 211, 84, 79, 82, 67, 72, 128, 84, 79, 
-    81, 128, 84, 79, 80, 66, 65, 82, 128, 84, 79, 80, 45, 76, 73, 71, 72, 84, 
-    69, 196, 84, 79, 80, 128, 84, 79, 208, 84, 79, 79, 84, 72, 128, 84, 79, 
-    79, 78, 128, 84, 79, 78, 79, 83, 128, 84, 79, 78, 71, 85, 69, 128, 84, 
-    79, 78, 71, 85, 197, 84, 79, 78, 71, 128, 84, 79, 78, 69, 45, 56, 128, 
-    84, 79, 78, 69, 45, 55, 128, 84, 79, 78, 69, 45, 54, 128, 84, 79, 78, 69, 
-    45, 53, 128, 84, 79, 78, 69, 45, 52, 128, 84, 79, 78, 69, 45, 51, 128, 
-    84, 79, 78, 69, 45, 50, 128, 84, 79, 78, 69, 45, 49, 128, 84, 79, 78, 69, 
-    128, 84, 79, 78, 65, 204, 84, 79, 77, 80, 73, 128, 84, 79, 77, 65, 84, 
-    79, 128, 84, 79, 76, 79, 78, 71, 128, 84, 79, 75, 89, 207, 84, 79, 73, 
-    76, 69, 84, 128, 84, 79, 71, 69, 84, 72, 69, 82, 128, 84, 79, 68, 207, 
-    84, 79, 65, 78, 68, 65, 75, 72, 73, 65, 84, 128, 84, 79, 65, 128, 84, 78, 
-    128, 84, 76, 86, 128, 84, 76, 85, 128, 84, 76, 79, 128, 84, 76, 73, 128, 
-    84, 76, 72, 89, 65, 128, 84, 76, 72, 87, 69, 128, 84, 76, 72, 85, 128, 
-    84, 76, 72, 79, 79, 128, 84, 76, 72, 79, 128, 84, 76, 72, 73, 128, 84, 
-    76, 72, 69, 69, 128, 84, 76, 72, 69, 128, 84, 76, 72, 65, 128, 84, 76, 
-    69, 69, 128, 84, 76, 65, 128, 84, 74, 69, 128, 84, 73, 88, 128, 84, 73, 
-    87, 78, 128, 84, 73, 87, 65, 218, 84, 73, 84, 85, 65, 69, 80, 128, 84, 
-    73, 84, 76, 79, 128, 84, 73, 84, 193, 84, 73, 84, 128, 84, 73, 82, 89, 
-    65, 75, 128, 84, 73, 82, 84, 193, 84, 73, 82, 79, 78, 73, 65, 206, 84, 
-    73, 82, 69, 196, 84, 73, 82, 128, 84, 73, 210, 84, 73, 80, 80, 73, 128, 
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-    89, 78, 69, 86, 77, 65, 128, 83, 89, 78, 68, 69, 83, 77, 79, 211, 83, 89, 
-    78, 67, 72, 82, 79, 78, 79, 85, 211, 83, 89, 78, 65, 71, 77, 193, 83, 89, 
-    78, 65, 70, 73, 128, 83, 89, 78, 128, 83, 89, 77, 77, 69, 84, 82, 89, 
-    128, 83, 89, 77, 77, 69, 84, 82, 73, 195, 83, 89, 77, 66, 79, 76, 83, 
-    128, 83, 89, 77, 66, 79, 76, 45, 57, 128, 83, 89, 77, 66, 79, 76, 45, 56, 
-    128, 83, 89, 77, 66, 79, 76, 45, 55, 128, 83, 89, 77, 66, 79, 76, 45, 54, 
-    128, 83, 89, 77, 66, 79, 76, 45, 53, 52, 128, 83, 89, 77, 66, 79, 76, 45, 
-    53, 51, 128, 83, 89, 77, 66, 79, 76, 45, 53, 50, 128, 83, 89, 77, 66, 79, 
-    76, 45, 53, 49, 128, 83, 89, 77, 66, 79, 76, 45, 53, 48, 128, 83, 89, 77, 
-    66, 79, 76, 45, 53, 128, 83, 89, 77, 66, 79, 76, 45, 52, 57, 128, 83, 89, 
-    77, 66, 79, 76, 45, 52, 56, 128, 83, 89, 77, 66, 79, 76, 45, 52, 55, 128, 
-    83, 89, 77, 66, 79, 76, 45, 52, 53, 128, 83, 89, 77, 66, 79, 76, 45, 52, 
-    51, 128, 83, 89, 77, 66, 79, 76, 45, 52, 50, 128, 83, 89, 77, 66, 79, 76, 
-    45, 52, 48, 128, 83, 89, 77, 66, 79, 76, 45, 52, 128, 83, 89, 77, 66, 79, 
-    76, 45, 51, 57, 128, 83, 89, 77, 66, 79, 76, 45, 51, 56, 128, 83, 89, 77, 
-    66, 79, 76, 45, 51, 55, 128, 83, 89, 77, 66, 79, 76, 45, 51, 54, 128, 83, 
-    89, 77, 66, 79, 76, 45, 51, 50, 128, 83, 89, 77, 66, 79, 76, 45, 51, 48, 
-    128, 83, 89, 77, 66, 79, 76, 45, 51, 128, 83, 89, 77, 66, 79, 76, 45, 50, 
-    57, 128, 83, 89, 77, 66, 79, 76, 45, 50, 55, 128, 83, 89, 77, 66, 79, 76, 
-    45, 50, 54, 128, 83, 89, 77, 66, 79, 76, 45, 50, 53, 128, 83, 89, 77, 66, 
-    79, 76, 45, 50, 52, 128, 83, 89, 77, 66, 79, 76, 45, 50, 51, 128, 83, 89, 
-    77, 66, 79, 76, 45, 50, 50, 128, 83, 89, 77, 66, 79, 76, 45, 50, 49, 128, 
-    83, 89, 77, 66, 79, 76, 45, 50, 48, 128, 83, 89, 77, 66, 79, 76, 45, 50, 
-    128, 83, 89, 77, 66, 79, 76, 45, 49, 57, 128, 83, 89, 77, 66, 79, 76, 45, 
-    49, 56, 128, 83, 89, 77, 66, 79, 76, 45, 49, 55, 128, 83, 89, 77, 66, 79, 
-    76, 45, 49, 54, 128, 83, 89, 77, 66, 79, 76, 45, 49, 53, 128, 83, 89, 77, 
-    66, 79, 76, 45, 49, 52, 128, 83, 89, 77, 66, 79, 76, 45, 49, 51, 128, 83, 
-    89, 77, 66, 79, 76, 45, 49, 50, 128, 83, 89, 77, 66, 79, 76, 45, 49, 49, 
-    128, 83, 89, 77, 66, 79, 76, 45, 49, 48, 128, 83, 89, 77, 66, 79, 76, 45, 
-    49, 128, 83, 89, 76, 79, 84, 201, 83, 89, 128, 83, 87, 90, 128, 83, 87, 
-    85, 78, 199, 83, 87, 79, 82, 68, 83, 128, 83, 87, 79, 82, 68, 128, 83, 
-    87, 79, 79, 128, 83, 87, 79, 128, 83, 87, 73, 82, 204, 83, 87, 73, 77, 
-    77, 73, 78, 71, 128, 83, 87, 73, 77, 77, 69, 82, 128, 83, 87, 73, 73, 
-    128, 83, 87, 73, 128, 83, 87, 71, 128, 83, 87, 69, 69, 84, 128, 83, 87, 
-    69, 69, 212, 83, 87, 69, 65, 84, 128, 83, 87, 69, 65, 212, 83, 87, 65, 
-    83, 200, 83, 87, 65, 80, 80, 73, 78, 71, 128, 83, 87, 65, 65, 128, 83, 
-    87, 128, 83, 86, 65, 83, 84, 201, 83, 86, 65, 82, 73, 84, 65, 128, 83, 
-    86, 65, 82, 73, 84, 193, 83, 85, 88, 128, 83, 85, 85, 128, 83, 85, 84, 
-    128, 83, 85, 83, 80, 69, 78, 83, 73, 79, 206, 83, 85, 83, 72, 73, 128, 
-    83, 85, 82, 89, 65, 128, 83, 85, 82, 88, 128, 83, 85, 82, 82, 79, 85, 78, 
-    68, 128, 83, 85, 82, 82, 79, 85, 78, 196, 83, 85, 82, 70, 69, 82, 128, 
-    83, 85, 82, 70, 65, 67, 197, 83, 85, 82, 69, 128, 83, 85, 82, 65, 78, 71, 
-    128, 83, 85, 82, 57, 128, 83, 85, 82, 128, 83, 85, 210, 83, 85, 80, 82, 
-    65, 76, 73, 78, 69, 65, 210, 83, 85, 80, 69, 82, 86, 73, 83, 69, 128, 83, 
-    85, 80, 69, 82, 83, 69, 84, 128, 83, 85, 80, 69, 82, 83, 69, 212, 83, 85, 
-    80, 69, 82, 83, 67, 82, 73, 80, 212, 83, 85, 80, 69, 82, 73, 77, 80, 79, 
-    83, 69, 196, 83, 85, 80, 69, 82, 70, 73, 88, 69, 196, 83, 85, 80, 69, 
-    210, 83, 85, 80, 128, 83, 85, 79, 88, 128, 83, 85, 79, 80, 128, 83, 85, 
-    79, 128, 83, 85, 78, 83, 69, 212, 83, 85, 78, 82, 73, 83, 69, 128, 83, 
-    85, 78, 82, 73, 83, 197, 83, 85, 78, 71, 76, 65, 83, 83, 69, 83, 128, 83, 
-    85, 78, 71, 128, 83, 85, 78, 70, 76, 79, 87, 69, 82, 128, 83, 85, 78, 
-    128, 83, 85, 206, 83, 85, 77, 77, 69, 82, 128, 83, 85, 77, 77, 65, 84, 
-    73, 79, 78, 128, 83, 85, 77, 77, 65, 84, 73, 79, 206, 83, 85, 77, 65, 83, 
-    72, 128, 83, 85, 77, 128, 83, 85, 76, 70, 85, 82, 128, 83, 85, 75, 85, 
-    78, 128, 83, 85, 75, 85, 206, 83, 85, 75, 85, 128, 83, 85, 75, 213, 83, 
-    85, 73, 84, 65, 66, 76, 69, 128, 83, 85, 73, 84, 128, 83, 85, 72, 85, 82, 
-    128, 83, 85, 69, 128, 83, 85, 68, 50, 128, 83, 85, 68, 128, 83, 85, 67, 
-    67, 69, 69, 68, 83, 128, 83, 85, 67, 67, 69, 69, 68, 211, 83, 85, 67, 67, 
-    69, 69, 68, 128, 83, 85, 67, 67, 69, 69, 196, 83, 85, 66, 85, 78, 73, 84, 
-    128, 83, 85, 66, 83, 84, 73, 84, 85, 84, 73, 79, 206, 83, 85, 66, 83, 84, 
-    73, 84, 85, 84, 69, 128, 83, 85, 66, 83, 84, 73, 84, 85, 84, 197, 83, 85, 
-    66, 83, 69, 84, 128, 83, 85, 66, 83, 69, 212, 83, 85, 66, 83, 67, 82, 73, 
-    80, 212, 83, 85, 66, 80, 85, 78, 67, 84, 73, 83, 128, 83, 85, 66, 76, 73, 
-    78, 69, 65, 210, 83, 85, 66, 76, 73, 77, 65, 84, 73, 79, 78, 128, 83, 85, 
-    66, 76, 73, 77, 65, 84, 69, 45, 51, 128, 83, 85, 66, 76, 73, 77, 65, 84, 
-    69, 45, 50, 128, 83, 85, 66, 76, 73, 77, 65, 84, 69, 128, 83, 85, 66, 76, 
-    73, 77, 65, 84, 197, 83, 85, 66, 74, 79, 73, 78, 69, 196, 83, 85, 66, 74, 
-    69, 67, 84, 128, 83, 85, 66, 73, 84, 79, 128, 83, 85, 66, 71, 82, 79, 85, 
-    80, 128, 83, 85, 66, 71, 82, 79, 85, 208, 83, 85, 66, 128, 83, 85, 65, 
-    69, 84, 128, 83, 85, 65, 69, 78, 128, 83, 85, 65, 69, 128, 83, 85, 65, 
-    128, 83, 213, 83, 84, 88, 128, 83, 84, 87, 65, 128, 83, 84, 85, 68, 89, 
-    128, 83, 84, 85, 67, 75, 45, 79, 85, 212, 83, 84, 83, 128, 83, 84, 82, 
-    79, 78, 199, 83, 84, 82, 79, 75, 69, 83, 128, 83, 84, 82, 79, 75, 69, 
-    211, 83, 84, 82, 79, 75, 69, 45, 57, 128, 83, 84, 82, 79, 75, 69, 45, 56, 
-    128, 83, 84, 82, 79, 75, 69, 45, 55, 128, 83, 84, 82, 79, 75, 69, 45, 54, 
-    128, 83, 84, 82, 79, 75, 69, 45, 53, 128, 83, 84, 82, 79, 75, 69, 45, 52, 
-    128, 83, 84, 82, 79, 75, 69, 45, 51, 128, 83, 84, 82, 79, 75, 69, 45, 50, 
-    128, 83, 84, 82, 79, 75, 69, 45, 49, 49, 128, 83, 84, 82, 79, 75, 69, 45, 
-    49, 48, 128, 83, 84, 82, 79, 75, 69, 45, 49, 128, 83, 84, 82, 79, 75, 
-    197, 83, 84, 82, 73, 80, 69, 128, 83, 84, 82, 73, 78, 71, 128, 83, 84, 
-    82, 73, 78, 199, 83, 84, 82, 73, 75, 69, 84, 72, 82, 79, 85, 71, 72, 128, 
-    83, 84, 82, 73, 68, 69, 128, 83, 84, 82, 73, 67, 84, 76, 217, 83, 84, 82, 
-    69, 84, 67, 72, 69, 196, 83, 84, 82, 69, 83, 211, 83, 84, 82, 69, 78, 71, 
-    84, 72, 128, 83, 84, 82, 69, 65, 77, 69, 82, 128, 83, 84, 82, 65, 87, 66, 
-    69, 82, 82, 89, 128, 83, 84, 82, 65, 84, 85, 77, 45, 50, 128, 83, 84, 82, 
-    65, 84, 85, 77, 128, 83, 84, 82, 65, 84, 85, 205, 83, 84, 82, 65, 84, 73, 
-    65, 206, 83, 84, 82, 65, 73, 78, 69, 82, 128, 83, 84, 82, 65, 73, 71, 72, 
-    84, 78, 69, 83, 83, 128, 83, 84, 82, 65, 73, 71, 72, 212, 83, 84, 82, 65, 
-    73, 70, 128, 83, 84, 82, 65, 71, 71, 73, 83, 77, 65, 84, 65, 128, 83, 84, 
-    79, 86, 69, 128, 83, 84, 79, 82, 69, 128, 83, 84, 79, 80, 87, 65, 84, 67, 
-    72, 128, 83, 84, 79, 80, 80, 73, 78, 71, 128, 83, 84, 79, 80, 80, 65, 71, 
-    69, 128, 83, 84, 79, 80, 128, 83, 84, 79, 208, 83, 84, 79, 78, 69, 128, 
-    83, 84, 79, 67, 75, 128, 83, 84, 73, 77, 77, 69, 128, 83, 84, 73, 76, 
-    204, 83, 84, 73, 76, 197, 83, 84, 73, 71, 77, 65, 128, 83, 84, 69, 80, 
-    128, 83, 84, 69, 77, 128, 83, 84, 69, 65, 77, 73, 78, 199, 83, 84, 69, 
-    65, 77, 128, 83, 84, 69, 65, 205, 83, 84, 65, 86, 82, 79, 85, 128, 83, 
-    84, 65, 86, 82, 79, 83, 128, 83, 84, 65, 86, 82, 79, 211, 83, 84, 65, 85, 
-    82, 79, 83, 128, 83, 84, 65, 84, 85, 197, 83, 84, 65, 84, 73, 79, 78, 
-    128, 83, 84, 65, 84, 69, 82, 83, 128, 83, 84, 65, 84, 69, 128, 83, 84, 
-    65, 82, 212, 83, 84, 65, 82, 83, 128, 83, 84, 65, 82, 82, 69, 196, 83, 
-    84, 65, 82, 75, 128, 83, 84, 65, 82, 128, 83, 84, 65, 210, 83, 84, 65, 
-    78, 68, 83, 84, 73, 76, 76, 128, 83, 84, 65, 78, 68, 65, 82, 196, 83, 84, 
-    65, 78, 68, 128, 83, 84, 65, 78, 128, 83, 84, 65, 76, 76, 73, 79, 78, 
-    128, 83, 84, 65, 70, 70, 128, 83, 84, 65, 70, 198, 83, 84, 65, 67, 67, 
-    65, 84, 79, 128, 83, 84, 65, 67, 67, 65, 84, 73, 83, 83, 73, 77, 79, 128, 
-    83, 84, 50, 128, 83, 83, 89, 88, 128, 83, 83, 89, 84, 128, 83, 83, 89, 
-    82, 88, 128, 83, 83, 89, 82, 128, 83, 83, 89, 80, 128, 83, 83, 89, 128, 
-    83, 83, 85, 88, 128, 83, 83, 85, 85, 128, 83, 83, 85, 84, 128, 83, 83, 
-    85, 80, 128, 83, 83, 79, 88, 128, 83, 83, 79, 84, 128, 83, 83, 79, 80, 
-    128, 83, 83, 79, 79, 128, 83, 83, 79, 128, 83, 83, 73, 88, 128, 83, 83, 
-    73, 84, 128, 83, 83, 73, 80, 128, 83, 83, 73, 73, 128, 83, 83, 73, 69, 
-    88, 128, 83, 83, 73, 69, 80, 128, 83, 83, 73, 69, 128, 83, 83, 73, 128, 
-    83, 83, 72, 69, 128, 83, 83, 69, 88, 128, 83, 83, 69, 80, 128, 83, 83, 
-    69, 69, 128, 83, 83, 65, 88, 128, 83, 83, 65, 85, 128, 83, 83, 65, 84, 
-    128, 83, 83, 65, 80, 128, 83, 83, 65, 78, 71, 89, 69, 79, 82, 73, 78, 72, 
-    73, 69, 85, 72, 128, 83, 83, 65, 78, 71, 84, 73, 75, 69, 85, 84, 45, 80, 
-    73, 69, 85, 80, 128, 83, 83, 65, 78, 71, 84, 73, 75, 69, 85, 84, 128, 83, 
-    83, 65, 78, 71, 84, 72, 73, 69, 85, 84, 72, 128, 83, 83, 65, 78, 71, 83, 
-    73, 79, 83, 45, 84, 73, 75, 69, 85, 84, 128, 83, 83, 65, 78, 71, 83, 73, 
-    79, 83, 45, 80, 73, 69, 85, 80, 128, 83, 83, 65, 78, 71, 83, 73, 79, 83, 
-    45, 75, 73, 89, 69, 79, 75, 128, 83, 83, 65, 78, 71, 83, 73, 79, 83, 128, 
-    83, 83, 65, 78, 71, 82, 73, 69, 85, 76, 45, 75, 72, 73, 69, 85, 75, 72, 
-    128, 83, 83, 65, 78, 71, 82, 73, 69, 85, 76, 128, 83, 83, 65, 78, 71, 80, 
-    73, 69, 85, 80, 128, 83, 83, 65, 78, 71, 78, 73, 69, 85, 78, 128, 83, 83, 
-    65, 78, 71, 77, 73, 69, 85, 77, 128, 83, 83, 65, 78, 71, 75, 73, 89, 69, 
-    79, 75, 128, 83, 83, 65, 78, 71, 73, 69, 85, 78, 71, 128, 83, 83, 65, 78, 
-    71, 72, 73, 69, 85, 72, 128, 83, 83, 65, 78, 71, 67, 73, 69, 85, 67, 45, 
-    72, 73, 69, 85, 72, 128, 83, 83, 65, 78, 71, 67, 73, 69, 85, 67, 128, 83, 
-    83, 65, 78, 71, 65, 82, 65, 69, 65, 128, 83, 83, 65, 73, 128, 83, 83, 65, 
-    65, 128, 83, 83, 51, 128, 83, 83, 50, 128, 83, 82, 128, 83, 81, 85, 73, 
-    83, 200, 83, 81, 85, 73, 82, 82, 69, 204, 83, 81, 85, 73, 71, 71, 76, 
+    78, 84, 72, 128, 84, 69, 78, 84, 128, 84, 69, 78, 83, 128, 84, 69, 78, 
+    211, 84, 69, 78, 78, 73, 211, 84, 69, 78, 71, 197, 84, 69, 78, 45, 84, 
+    72, 73, 82, 84, 89, 128, 84, 69, 78, 128, 84, 69, 206, 84, 69, 77, 80, 
+    85, 211, 84, 69, 76, 85, 128, 84, 69, 76, 79, 85, 211, 84, 69, 76, 76, 
+    69, 210, 84, 69, 76, 73, 83, 72, 193, 84, 69, 76, 69, 86, 73, 83, 73, 79, 
+    78, 128, 84, 69, 76, 69, 83, 67, 79, 80, 69, 128, 84, 69, 76, 69, 80, 72, 
+    79, 78, 69, 128, 84, 69, 76, 69, 80, 72, 79, 78, 197, 84, 69, 76, 69, 73, 
+    65, 128, 84, 69, 76, 69, 71, 82, 65, 80, 200, 84, 69, 75, 128, 84, 69, 
+    73, 87, 83, 128, 84, 69, 71, 69, 72, 128, 84, 69, 69, 78, 83, 128, 84, 
+    69, 69, 69, 69, 128, 84, 69, 197, 84, 69, 68, 85, 78, 71, 128, 84, 69, 
+    65, 82, 211, 84, 69, 65, 82, 68, 82, 79, 80, 45, 83, 80, 79, 75, 69, 196, 
+    84, 69, 65, 82, 68, 82, 79, 80, 45, 83, 72, 65, 78, 75, 69, 196, 84, 69, 
+    65, 82, 68, 82, 79, 80, 45, 66, 65, 82, 66, 69, 196, 84, 69, 65, 82, 45, 
+    79, 70, 198, 84, 69, 65, 67, 85, 208, 84, 69, 45, 85, 128, 84, 69, 45, 
+    50, 128, 84, 67, 72, 69, 72, 69, 72, 128, 84, 67, 72, 69, 72, 69, 200, 
+    84, 67, 72, 69, 72, 128, 84, 67, 72, 69, 200, 84, 67, 72, 69, 128, 84, 
+    195, 84, 65, 89, 128, 84, 65, 88, 73, 128, 84, 65, 88, 128, 84, 65, 87, 
+    69, 76, 76, 69, 77, 69, 212, 84, 65, 87, 65, 128, 84, 65, 87, 128, 84, 
+    65, 86, 73, 89, 65, 78, 73, 128, 84, 65, 86, 128, 84, 65, 214, 84, 65, 
+    85, 82, 85, 83, 128, 84, 65, 85, 77, 128, 84, 65, 213, 84, 65, 84, 87, 
+    69, 69, 76, 128, 84, 65, 84, 87, 69, 69, 204, 84, 65, 84, 84, 79, 79, 69, 
+    196, 84, 65, 84, 128, 84, 65, 83, 128, 84, 65, 82, 85, 78, 71, 128, 84, 
+    65, 82, 84, 65, 82, 45, 50, 128, 84, 65, 82, 84, 65, 82, 128, 84, 65, 82, 
+    71, 69, 84, 128, 84, 65, 81, 128, 84, 65, 80, 69, 82, 128, 84, 65, 80, 
+    197, 84, 65, 80, 128, 84, 65, 79, 128, 84, 65, 78, 78, 69, 196, 84, 65, 
+    78, 71, 69, 82, 73, 78, 69, 128, 84, 65, 78, 71, 69, 78, 84, 128, 84, 65, 
+    78, 71, 69, 78, 212, 84, 65, 78, 199, 84, 65, 78, 65, 66, 65, 84, 193, 
+    84, 65, 78, 128, 84, 65, 77, 73, 78, 71, 128, 84, 65, 77, 128, 84, 65, 
+    76, 76, 128, 84, 65, 76, 204, 84, 65, 76, 73, 78, 71, 128, 84, 65, 76, 
+    73, 78, 199, 84, 65, 76, 69, 78, 84, 83, 128, 84, 65, 76, 69, 78, 212, 
+    84, 65, 75, 82, 201, 84, 65, 75, 72, 65, 76, 76, 85, 83, 128, 84, 65, 75, 
+    69, 128, 84, 65, 75, 52, 128, 84, 65, 75, 128, 84, 65, 73, 83, 89, 79, 
+    85, 128, 84, 65, 73, 76, 76, 69, 83, 211, 84, 65, 73, 76, 128, 84, 65, 
+    73, 204, 84, 65, 72, 128, 84, 65, 200, 84, 65, 71, 66, 65, 78, 87, 193, 
+    84, 65, 71, 65, 76, 79, 199, 84, 65, 71, 128, 84, 65, 69, 206, 84, 65, 
+    67, 75, 128, 84, 65, 67, 203, 84, 65, 66, 85, 76, 65, 84, 73, 79, 78, 
+    128, 84, 65, 66, 85, 76, 65, 84, 73, 79, 206, 84, 65, 66, 83, 128, 84, 
+    65, 66, 76, 69, 128, 84, 65, 66, 128, 84, 65, 194, 84, 65, 65, 83, 72, 
+    65, 69, 128, 84, 65, 65, 81, 128, 84, 65, 65, 77, 128, 84, 65, 65, 76, 
+    85, 74, 193, 84, 65, 65, 73, 128, 84, 65, 65, 70, 128, 84, 65, 50, 128, 
+    84, 65, 45, 82, 79, 76, 128, 84, 65, 45, 50, 128, 84, 48, 51, 54, 128, 
+    84, 48, 51, 53, 128, 84, 48, 51, 52, 128, 84, 48, 51, 51, 65, 128, 84, 
+    48, 51, 51, 128, 84, 48, 51, 50, 65, 128, 84, 48, 51, 50, 128, 84, 48, 
+    51, 49, 128, 84, 48, 51, 48, 128, 84, 48, 50, 57, 128, 84, 48, 50, 56, 
+    128, 84, 48, 50, 55, 128, 84, 48, 50, 54, 128, 84, 48, 50, 53, 128, 84, 
+    48, 50, 52, 128, 84, 48, 50, 51, 128, 84, 48, 50, 50, 128, 84, 48, 50, 
+    49, 128, 84, 48, 50, 48, 128, 84, 48, 49, 57, 128, 84, 48, 49, 56, 128, 
+    84, 48, 49, 55, 128, 84, 48, 49, 54, 65, 128, 84, 48, 49, 54, 128, 84, 
+    48, 49, 53, 128, 84, 48, 49, 52, 128, 84, 48, 49, 51, 128, 84, 48, 49, 
+    50, 128, 84, 48, 49, 49, 65, 128, 84, 48, 49, 49, 128, 84, 48, 49, 48, 
+    128, 84, 48, 48, 57, 65, 128, 84, 48, 48, 57, 128, 84, 48, 48, 56, 65, 
+    128, 84, 48, 48, 56, 128, 84, 48, 48, 55, 65, 128, 84, 48, 48, 55, 128, 
+    84, 48, 48, 54, 128, 84, 48, 48, 53, 128, 84, 48, 48, 52, 128, 84, 48, 
+    48, 51, 65, 128, 84, 48, 48, 51, 128, 84, 48, 48, 50, 128, 84, 48, 48, 
+    49, 128, 84, 45, 83, 72, 73, 82, 84, 128, 83, 90, 90, 128, 83, 90, 87, 
+    71, 128, 83, 90, 87, 65, 128, 83, 90, 85, 128, 83, 90, 79, 128, 83, 90, 
+    73, 128, 83, 90, 69, 69, 128, 83, 90, 69, 128, 83, 90, 65, 65, 128, 83, 
+    90, 65, 128, 83, 90, 128, 83, 89, 88, 128, 83, 89, 84, 128, 83, 89, 83, 
+    84, 69, 205, 83, 89, 82, 88, 128, 83, 89, 82, 77, 65, 84, 73, 75, 73, 
+    128, 83, 89, 82, 77, 65, 128, 83, 89, 82, 73, 78, 71, 69, 128, 83, 89, 
+    82, 73, 65, 195, 83, 89, 82, 128, 83, 89, 80, 128, 83, 89, 79, 85, 87, 
+    65, 128, 83, 89, 78, 69, 86, 77, 65, 128, 83, 89, 78, 68, 69, 83, 77, 79, 
+    211, 83, 89, 78, 67, 72, 82, 79, 78, 79, 85, 211, 83, 89, 78, 65, 71, 77, 
+    193, 83, 89, 78, 65, 70, 73, 128, 83, 89, 78, 128, 83, 89, 77, 77, 69, 
+    84, 82, 89, 128, 83, 89, 77, 77, 69, 84, 82, 73, 195, 83, 89, 77, 66, 79, 
+    76, 83, 128, 83, 89, 77, 66, 79, 76, 45, 57, 128, 83, 89, 77, 66, 79, 76, 
+    45, 56, 128, 83, 89, 77, 66, 79, 76, 45, 55, 128, 83, 89, 77, 66, 79, 76, 
+    45, 54, 128, 83, 89, 77, 66, 79, 76, 45, 53, 52, 128, 83, 89, 77, 66, 79, 
+    76, 45, 53, 51, 128, 83, 89, 77, 66, 79, 76, 45, 53, 50, 128, 83, 89, 77, 
+    66, 79, 76, 45, 53, 49, 128, 83, 89, 77, 66, 79, 76, 45, 53, 48, 128, 83, 
+    89, 77, 66, 79, 76, 45, 53, 128, 83, 89, 77, 66, 79, 76, 45, 52, 57, 128, 
+    83, 89, 77, 66, 79, 76, 45, 52, 56, 128, 83, 89, 77, 66, 79, 76, 45, 52, 
+    55, 128, 83, 89, 77, 66, 79, 76, 45, 52, 53, 128, 83, 89, 77, 66, 79, 76, 
+    45, 52, 51, 128, 83, 89, 77, 66, 79, 76, 45, 52, 50, 128, 83, 89, 77, 66, 
+    79, 76, 45, 52, 48, 128, 83, 89, 77, 66, 79, 76, 45, 52, 128, 83, 89, 77, 
+    66, 79, 76, 45, 51, 57, 128, 83, 89, 77, 66, 79, 76, 45, 51, 56, 128, 83, 
+    89, 77, 66, 79, 76, 45, 51, 55, 128, 83, 89, 77, 66, 79, 76, 45, 51, 54, 
+    128, 83, 89, 77, 66, 79, 76, 45, 51, 50, 128, 83, 89, 77, 66, 79, 76, 45, 
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-    128, 83, 73, 88, 84, 69, 69, 206, 83, 73, 88, 45, 84, 72, 73, 82, 84, 89, 
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-    45, 69, 205, 83, 73, 88, 45, 76, 73, 78, 197, 83, 73, 216, 83, 73, 84, 
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-    65, 78, 71, 83, 73, 79, 83, 128, 83, 73, 79, 83, 45, 82, 73, 69, 85, 76, 
-    128, 83, 73, 79, 83, 45, 80, 73, 69, 85, 80, 45, 75, 73, 89, 69, 79, 75, 
-    128, 83, 73, 79, 83, 45, 80, 72, 73, 69, 85, 80, 72, 128, 83, 73, 79, 83, 
-    45, 80, 65, 78, 83, 73, 79, 83, 128, 83, 73, 79, 83, 45, 78, 73, 69, 85, 
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-    71, 128, 83, 73, 79, 83, 45, 72, 73, 69, 85, 72, 128, 83, 73, 79, 83, 45, 
-    67, 73, 69, 85, 67, 128, 83, 73, 79, 83, 45, 67, 72, 73, 69, 85, 67, 72, 
-    128, 83, 73, 79, 211, 83, 73, 78, 75, 73, 78, 71, 128, 83, 73, 78, 71, 
-    76, 69, 45, 83, 72, 73, 70, 84, 45, 51, 128, 83, 73, 78, 71, 76, 69, 45, 
-    83, 72, 73, 70, 84, 45, 50, 128, 83, 73, 78, 71, 76, 69, 45, 76, 73, 78, 
-    197, 83, 73, 78, 71, 76, 69, 128, 83, 73, 78, 71, 76, 197, 83, 73, 78, 
-    71, 65, 65, 84, 128, 83, 73, 78, 197, 83, 73, 78, 68, 72, 201, 83, 73, 
-    206, 83, 73, 77, 80, 76, 73, 70, 73, 69, 196, 83, 73, 77, 73, 76, 65, 82, 
-    128, 83, 73, 77, 73, 76, 65, 210, 83, 73, 77, 65, 78, 83, 73, 211, 83, 
-    73, 77, 65, 76, 85, 78, 71, 85, 206, 83, 73, 77, 65, 128, 83, 73, 76, 86, 
-    69, 82, 128, 83, 73, 76, 75, 128, 83, 73, 76, 73, 81, 85, 193, 83, 73, 
-    76, 72, 79, 85, 69, 84, 84, 69, 128, 83, 73, 76, 72, 79, 85, 69, 84, 84, 
-    197, 83, 73, 76, 65, 51, 128, 83, 73, 75, 73, 128, 83, 73, 75, 50, 128, 
-    83, 73, 75, 178, 83, 73, 71, 78, 83, 128, 83, 73, 71, 77, 65, 128, 83, 
-    73, 71, 77, 193, 83, 73, 71, 69, 204, 83, 73, 71, 52, 128, 83, 73, 71, 
-    180, 83, 73, 71, 128, 83, 73, 69, 69, 128, 83, 73, 68, 69, 87, 65, 89, 
-    211, 83, 73, 67, 75, 78, 69, 83, 83, 128, 83, 73, 67, 75, 76, 69, 128, 
-    83, 73, 66, 197, 83, 201, 83, 72, 89, 88, 128, 83, 72, 89, 84, 128, 83, 
-    72, 89, 82, 88, 128, 83, 72, 89, 82, 128, 83, 72, 89, 80, 128, 83, 72, 
-    89, 69, 128, 83, 72, 89, 65, 128, 83, 72, 89, 128, 83, 72, 87, 79, 89, 
-    128, 83, 72, 87, 79, 79, 128, 83, 72, 87, 79, 128, 83, 72, 87, 73, 73, 
-    128, 83, 72, 87, 73, 128, 83, 72, 87, 69, 128, 83, 72, 87, 65, 65, 128, 
-    83, 72, 87, 65, 128, 83, 72, 85, 88, 128, 83, 72, 85, 85, 128, 83, 72, 
-    85, 84, 128, 83, 72, 85, 82, 88, 128, 83, 72, 85, 82, 128, 83, 72, 85, 
-    80, 128, 83, 72, 85, 79, 88, 128, 83, 72, 85, 79, 80, 128, 83, 72, 85, 
-    79, 128, 83, 72, 85, 77, 128, 83, 72, 85, 70, 70, 76, 197, 83, 72, 85, 
-    69, 81, 128, 83, 72, 85, 69, 78, 83, 72, 85, 69, 84, 128, 83, 72, 85, 66, 
-    85, 82, 128, 83, 72, 85, 50, 128, 83, 72, 85, 178, 83, 72, 85, 128, 83, 
-    72, 213, 83, 72, 84, 65, 80, 73, 67, 128, 83, 72, 84, 65, 128, 83, 72, 
-    82, 73, 78, 69, 128, 83, 72, 82, 73, 77, 80, 128, 83, 72, 82, 73, 73, 
-    128, 83, 72, 79, 89, 128, 83, 72, 79, 88, 128, 83, 72, 79, 87, 69, 82, 
-    128, 83, 72, 79, 85, 76, 68, 69, 82, 69, 196, 83, 72, 79, 84, 128, 83, 
-    72, 79, 82, 84, 83, 128, 83, 72, 79, 82, 84, 211, 83, 72, 79, 82, 84, 69, 
-    78, 69, 82, 128, 83, 72, 79, 82, 84, 67, 65, 75, 69, 128, 83, 72, 79, 82, 
-    84, 45, 84, 87, 73, 71, 45, 89, 82, 128, 83, 72, 79, 82, 84, 45, 84, 87, 
-    73, 71, 45, 84, 89, 210, 83, 72, 79, 82, 84, 45, 84, 87, 73, 71, 45, 83, 
-    79, 204, 83, 72, 79, 82, 84, 45, 84, 87, 73, 71, 45, 79, 83, 211, 83, 72, 
-    79, 82, 84, 45, 84, 87, 73, 71, 45, 78, 65, 85, 196, 83, 72, 79, 82, 84, 
-    45, 84, 87, 73, 71, 45, 77, 65, 68, 210, 83, 72, 79, 82, 84, 45, 84, 87, 
-    73, 71, 45, 72, 65, 71, 65, 76, 204, 83, 72, 79, 82, 84, 45, 84, 87, 73, 
-    71, 45, 66, 74, 65, 82, 75, 65, 206, 83, 72, 79, 82, 84, 45, 84, 87, 73, 
-    71, 45, 65, 210, 83, 72, 79, 82, 84, 128, 83, 72, 79, 82, 212, 83, 72, 
-    79, 81, 128, 83, 72, 79, 209, 83, 72, 79, 80, 128, 83, 72, 79, 79, 84, 
-    73, 78, 199, 83, 72, 79, 79, 84, 128, 83, 72, 79, 79, 128, 83, 72, 79, 
-    71, 201, 83, 72, 79, 199, 83, 72, 79, 69, 128, 83, 72, 79, 197, 83, 72, 
-    79, 65, 128, 83, 72, 79, 128, 83, 72, 73, 89, 89, 65, 65, 76, 65, 65, 
-    128, 83, 72, 73, 84, 65, 128, 83, 72, 73, 84, 193, 83, 72, 73, 82, 212, 
-    83, 72, 73, 82, 65, 69, 128, 83, 72, 73, 82, 128, 83, 72, 73, 210, 83, 
-    72, 73, 81, 128, 83, 72, 73, 80, 128, 83, 72, 73, 78, 84, 207, 83, 72, 
-    73, 78, 73, 71, 128, 83, 72, 73, 78, 68, 193, 83, 72, 73, 78, 128, 83, 
-    72, 73, 206, 83, 72, 73, 77, 65, 128, 83, 72, 73, 77, 193, 83, 72, 73, 
-    77, 128, 83, 72, 73, 205, 83, 72, 73, 73, 78, 128, 83, 72, 73, 73, 128, 
-    83, 72, 73, 70, 212, 83, 72, 73, 69, 76, 68, 128, 83, 72, 73, 68, 128, 
-    83, 72, 73, 196, 83, 72, 72, 65, 128, 83, 72, 72, 193, 83, 72, 69, 88, 
-    128, 83, 72, 69, 86, 65, 128, 83, 72, 69, 85, 88, 128, 83, 72, 69, 85, 
-    79, 81, 128, 83, 72, 69, 85, 65, 69, 81, 84, 85, 128, 83, 72, 69, 85, 65, 
-    69, 81, 128, 83, 72, 69, 85, 65, 69, 128, 83, 72, 69, 84, 128, 83, 72, 
-    69, 212, 83, 72, 69, 83, 72, 76, 65, 77, 128, 83, 72, 69, 83, 72, 73, 71, 
-    128, 83, 72, 69, 83, 72, 73, 199, 83, 72, 69, 83, 72, 50, 128, 83, 72, 
-    69, 83, 72, 128, 83, 72, 69, 81, 69, 204, 83, 72, 69, 80, 128, 83, 72, 
-    69, 78, 128, 83, 72, 69, 76, 76, 128, 83, 72, 69, 76, 204, 83, 72, 69, 
-    76, 70, 128, 83, 72, 69, 73, 128, 83, 72, 69, 71, 57, 128, 83, 72, 69, 
-    69, 80, 128, 83, 72, 69, 69, 78, 85, 128, 83, 72, 69, 69, 78, 128, 83, 
-    72, 69, 69, 206, 83, 72, 69, 69, 128, 83, 72, 69, 45, 71, 79, 65, 84, 
-    128, 83, 72, 197, 83, 72, 67, 72, 65, 128, 83, 72, 65, 89, 128, 83, 72, 
-    65, 88, 128, 83, 72, 65, 86, 73, 89, 65, 78, 73, 128, 83, 72, 65, 86, 73, 
-    65, 206, 83, 72, 65, 86, 69, 196, 83, 72, 65, 85, 128, 83, 72, 65, 84, 
-    128, 83, 72, 65, 82, 85, 128, 83, 72, 65, 82, 213, 83, 72, 65, 82, 80, 
-    128, 83, 72, 65, 82, 208, 83, 72, 65, 82, 65, 128, 83, 72, 65, 82, 50, 
-    128, 83, 72, 65, 82, 178, 83, 72, 65, 80, 73, 78, 71, 128, 83, 72, 65, 
-    80, 69, 83, 128, 83, 72, 65, 80, 197, 83, 72, 65, 80, 128, 83, 72, 65, 
-    78, 71, 128, 83, 72, 65, 78, 128, 83, 72, 65, 206, 83, 72, 65, 77, 82, 
-    79, 67, 75, 128, 83, 72, 65, 76, 83, 72, 69, 76, 69, 84, 128, 83, 72, 65, 
-    75, 84, 73, 128, 83, 72, 65, 73, 128, 83, 72, 65, 68, 79, 87, 69, 196, 
-    83, 72, 65, 68, 69, 128, 83, 72, 65, 68, 68, 65, 128, 83, 72, 65, 68, 68, 
-    193, 83, 72, 65, 68, 128, 83, 72, 65, 196, 83, 72, 65, 66, 54, 128, 83, 
-    72, 65, 65, 128, 83, 72, 65, 54, 128, 83, 72, 65, 51, 128, 83, 72, 65, 
-    179, 83, 71, 82, 193, 83, 71, 79, 210, 83, 71, 67, 128, 83, 71, 65, 215, 
-    83, 71, 65, 194, 83, 71, 128, 83, 69, 88, 84, 85, 76, 193, 83, 69, 88, 
-    84, 73, 76, 69, 128, 83, 69, 88, 84, 65, 78, 211, 83, 69, 86, 69, 82, 65, 
-    78, 67, 69, 128, 83, 69, 86, 69, 78, 84, 89, 128, 83, 69, 86, 69, 78, 84, 
-    217, 83, 69, 86, 69, 78, 84, 72, 128, 83, 69, 86, 69, 78, 84, 69, 69, 78, 
-    128, 83, 69, 86, 69, 78, 84, 69, 69, 206, 83, 69, 86, 69, 78, 45, 84, 72, 
-    73, 82, 84, 89, 128, 83, 69, 86, 69, 206, 83, 69, 85, 88, 128, 83, 69, 
-    85, 78, 89, 65, 77, 128, 83, 69, 85, 65, 69, 81, 128, 83, 69, 84, 70, 79, 
-    78, 128, 83, 69, 83, 84, 69, 82, 84, 73, 85, 211, 83, 69, 83, 81, 85, 73, 
-    81, 85, 65, 68, 82, 65, 84, 69, 128, 83, 69, 83, 65, 77, 197, 83, 69, 82, 
-    86, 73, 67, 197, 83, 69, 82, 73, 70, 83, 128, 83, 69, 82, 73, 70, 211, 
-    83, 69, 81, 85, 69, 78, 67, 197, 83, 69, 80, 84, 69, 77, 66, 69, 82, 128, 
-    83, 69, 80, 65, 82, 65, 84, 79, 82, 128, 83, 69, 80, 65, 82, 65, 84, 79, 
-    210, 83, 69, 78, 84, 79, 128, 83, 69, 78, 84, 73, 128, 83, 69, 77, 85, 
-    78, 67, 73, 193, 83, 69, 77, 75, 65, 84, 72, 128, 83, 69, 77, 75, 128, 
-    83, 69, 77, 73, 86, 79, 87, 69, 204, 83, 69, 77, 73, 83, 79, 70, 212, 83, 
-    69, 77, 73, 83, 69, 88, 84, 73, 76, 69, 128, 83, 69, 77, 73, 77, 73, 78, 
-    73, 77, 193, 83, 69, 77, 73, 68, 73, 82, 69, 67, 212, 83, 69, 77, 73, 67, 
-    79, 76, 79, 78, 128, 83, 69, 77, 73, 67, 79, 76, 79, 206, 83, 69, 77, 73, 
-    67, 73, 82, 67, 85, 76, 65, 210, 83, 69, 77, 73, 67, 73, 82, 67, 76, 197, 
-    83, 69, 77, 73, 66, 82, 69, 86, 73, 211, 83, 69, 77, 73, 45, 86, 79, 73, 
-    67, 69, 196, 83, 69, 76, 70, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 
-    57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 56, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 57, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 
-    54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 53, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 57, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 
-    51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 50, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 57, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 
-    48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 57, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 56, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 56, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 55, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 56, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 53, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 52, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 56, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 50, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 49, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 56, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 56, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 57, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 55, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 55, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 54, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 55, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 52, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 51, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 55, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 49, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 55, 48, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 54, 57, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 54, 56, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 54, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 54, 54, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 54, 53, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 54, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 54, 51, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 54, 50, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 54, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 54, 48, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 53, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 53, 56, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 53, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 53, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 53, 53, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 53, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 53, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 53, 50, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 53, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 53, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 53, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 52, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    52, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 52, 55, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 52, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    52, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 52, 52, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 52, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    52, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 52, 49, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 52, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 57, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 51, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 
-    55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 54, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 51, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 
-    52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 51, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 51, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 
-    49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 51, 48, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 57, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 56, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 50, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 54, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 53, 54, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 50, 53, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    50, 53, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 53, 51, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 50, 53, 50, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 50, 53, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 53, 
-    48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 53, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 50, 52, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    50, 52, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 52, 55, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 50, 52, 54, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 50, 52, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 52, 
-    52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 52, 51, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 50, 52, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 50, 52, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 52, 48, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 52, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 50, 51, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 51, 
-    56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 51, 55, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 50, 51, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 50, 51, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 51, 52, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 51, 51, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 50, 51, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 
-    51, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 51, 48, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 50, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 50, 50, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 50, 56, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 50, 55, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 50, 50, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 
-    50, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 50, 52, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 50, 50, 51, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 50, 50, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 50, 49, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 50, 48, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 50, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 
-    49, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 49, 56, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 50, 49, 55, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 50, 49, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 49, 53, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 49, 52, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 50, 49, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    50, 49, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 49, 49, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 50, 49, 48, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 50, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 48, 57, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 48, 56, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 50, 48, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    50, 48, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 48, 53, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 50, 48, 52, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 50, 48, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 48, 
-    50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 48, 49, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 50, 48, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 50, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 50, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 57, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 49, 57, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 57, 55, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 57, 54, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 57, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 
-    57, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 57, 51, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 49, 57, 50, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 57, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 57, 48, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 57, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 56, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 
-    56, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 56, 55, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 49, 56, 54, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 56, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 56, 52, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 56, 51, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 49, 56, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    49, 56, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 56, 48, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 49, 56, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 55, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 55, 56, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 55, 55, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 49, 55, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    49, 55, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 55, 52, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 49, 55, 51, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 49, 55, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 55, 
-    49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 55, 48, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    49, 54, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 54, 56, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 49, 54, 55, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 49, 54, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 54, 
-    53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 54, 52, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 54, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 49, 54, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 54, 49, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 54, 48, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 53, 
-    57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 53, 56, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 53, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 49, 53, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 53, 53, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 53, 52, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 53, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 
-    53, 50, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 53, 49, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 49, 53, 48, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 52, 57, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 52, 56, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 52, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 
-    52, 54, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 52, 53, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 49, 52, 52, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 52, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 52, 50, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 52, 49, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 49, 52, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    49, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 51, 57, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 49, 51, 56, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 51, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 51, 54, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 51, 53, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 49, 51, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    49, 51, 51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 51, 50, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 49, 51, 49, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 49, 51, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 51, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 50, 57, 128, 83, 69, 76, 69, 
-    67, 84, 79, 82, 45, 49, 50, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 
-    49, 50, 55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 50, 54, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 49, 50, 53, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 49, 50, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 50, 
-    51, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 50, 50, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 50, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 49, 50, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 50, 128, 83, 
-    69, 76, 69, 67, 84, 79, 82, 45, 49, 49, 57, 128, 83, 69, 76, 69, 67, 84, 
-    79, 82, 45, 49, 49, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 49, 
-    55, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 49, 54, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 49, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 49, 49, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 49, 51, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 49, 50, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 49, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 
-    49, 48, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 49, 128, 83, 69, 76, 
-    69, 67, 84, 79, 82, 45, 49, 48, 57, 128, 83, 69, 76, 69, 67, 84, 79, 82, 
-    45, 49, 48, 56, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 48, 55, 128, 
-    83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 48, 54, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 48, 53, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 
-    48, 52, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 48, 51, 128, 83, 69, 
-    76, 69, 67, 84, 79, 82, 45, 49, 48, 50, 128, 83, 69, 76, 69, 67, 84, 79, 
-    82, 45, 49, 48, 49, 128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 48, 48, 
-    128, 83, 69, 76, 69, 67, 84, 79, 82, 45, 49, 48, 128, 83, 69, 76, 69, 67, 
-    84, 79, 82, 45, 49, 128, 83, 69, 76, 69, 67, 84, 79, 210, 83, 69, 76, 69, 
-    67, 84, 69, 196, 83, 69, 73, 83, 77, 65, 128, 83, 69, 73, 83, 77, 193, 
-    83, 69, 72, 128, 83, 69, 71, 79, 76, 128, 83, 69, 71, 78, 79, 128, 83, 
-    69, 71, 77, 69, 78, 84, 128, 83, 69, 69, 78, 85, 128, 83, 69, 69, 78, 
-    128, 83, 69, 69, 206, 83, 69, 69, 68, 76, 73, 78, 71, 128, 83, 69, 69, 
-    45, 78, 79, 45, 69, 86, 73, 204, 83, 69, 67, 84, 79, 82, 128, 83, 69, 67, 
-    84, 73, 79, 78, 128, 83, 69, 67, 84, 73, 79, 206, 83, 69, 67, 82, 69, 84, 
-    128, 83, 69, 67, 79, 78, 68, 128, 83, 69, 66, 65, 84, 66, 69, 73, 212, 
-    83, 69, 65, 84, 128, 83, 69, 65, 76, 128, 83, 69, 65, 71, 85, 76, 204, 
-    83, 68, 79, 78, 199, 83, 68, 128, 83, 67, 87, 65, 128, 83, 67, 82, 85, 
-    80, 76, 69, 128, 83, 67, 82, 79, 76, 76, 128, 83, 67, 82, 73, 80, 84, 
-    128, 83, 67, 82, 69, 69, 78, 128, 83, 67, 82, 69, 69, 206, 83, 67, 82, 
-    69, 65, 77, 73, 78, 199, 83, 67, 79, 82, 80, 73, 85, 83, 128, 83, 67, 79, 
-    82, 69, 128, 83, 67, 73, 83, 83, 79, 82, 83, 128, 83, 67, 73, 128, 83, 
-    67, 72, 87, 65, 128, 83, 67, 72, 87, 193, 83, 67, 72, 82, 79, 69, 68, 69, 
-    82, 128, 83, 67, 72, 79, 79, 76, 128, 83, 67, 72, 79, 79, 204, 83, 67, 
-    72, 79, 76, 65, 82, 128, 83, 67, 72, 69, 77, 193, 83, 67, 69, 80, 84, 69, 
-    210, 83, 67, 65, 78, 68, 73, 67, 85, 83, 128, 83, 67, 65, 78, 68, 73, 67, 
-    85, 211, 83, 67, 65, 206, 83, 67, 65, 76, 69, 83, 128, 83, 66, 85, 194, 
-    83, 66, 82, 85, 204, 83, 65, 89, 73, 83, 201, 83, 65, 89, 65, 78, 78, 65, 
-    128, 83, 65, 89, 128, 83, 65, 88, 79, 80, 72, 79, 78, 69, 128, 83, 65, 
-    88, 73, 77, 65, 84, 65, 128, 83, 65, 87, 65, 78, 128, 83, 65, 87, 128, 
-    83, 65, 86, 79, 85, 82, 73, 78, 199, 83, 65, 85, 73, 76, 128, 83, 65, 84, 
-    85, 82, 78, 128, 83, 65, 84, 75, 65, 65, 78, 75, 85, 85, 128, 83, 65, 84, 
-    75, 65, 65, 78, 128, 83, 65, 84, 69, 76, 76, 73, 84, 197, 83, 65, 84, 67, 
-    72, 69, 76, 128, 83, 65, 84, 65, 78, 71, 65, 128, 83, 65, 83, 72, 128, 
-    83, 65, 83, 65, 75, 128, 83, 65, 82, 73, 128, 83, 65, 82, 193, 83, 65, 
-    82, 128, 83, 65, 81, 128, 83, 65, 80, 65, 128, 83, 65, 78, 89, 79, 79, 
-    71, 193, 83, 65, 78, 89, 65, 75, 193, 83, 65, 78, 84, 73, 73, 77, 85, 
-    128, 83, 65, 78, 78, 89, 65, 128, 83, 65, 78, 71, 65, 50, 128, 83, 65, 
-    78, 68, 65, 76, 128, 83, 65, 78, 65, 72, 128, 83, 65, 78, 128, 83, 65, 
-    77, 89, 79, 203, 83, 65, 77, 86, 65, 84, 128, 83, 65, 77, 80, 73, 128, 
-    83, 65, 77, 80, 72, 65, 79, 128, 83, 65, 77, 75, 65, 128, 83, 65, 77, 69, 
-    75, 72, 128, 83, 65, 77, 69, 75, 200, 83, 65, 77, 66, 65, 128, 83, 65, 
-    77, 65, 82, 73, 84, 65, 206, 83, 65, 77, 128, 83, 65, 76, 84, 73, 82, 69, 
-    128, 83, 65, 76, 84, 73, 76, 76, 79, 128, 83, 65, 76, 84, 45, 50, 128, 
-    83, 65, 76, 84, 128, 83, 65, 76, 212, 83, 65, 76, 76, 65, 76, 76, 65, 72, 
-    79, 213, 83, 65, 76, 76, 193, 83, 65, 76, 65, 205, 83, 65, 76, 65, 128, 
-    83, 65, 76, 45, 65, 77, 77, 79, 78, 73, 65, 67, 128, 83, 65, 76, 128, 83, 
-    65, 75, 79, 84, 128, 83, 65, 75, 69, 85, 65, 69, 128, 83, 65, 75, 197, 
-    83, 65, 74, 68, 65, 72, 128, 83, 65, 73, 76, 66, 79, 65, 84, 128, 83, 65, 
-    73, 76, 128, 83, 65, 73, 75, 85, 82, 85, 128, 83, 65, 72, 128, 83, 65, 
-    71, 73, 84, 84, 65, 82, 73, 85, 83, 128, 83, 65, 71, 65, 128, 83, 65, 71, 
-    128, 83, 65, 199, 83, 65, 70, 72, 65, 128, 83, 65, 68, 72, 69, 128, 83, 
-    65, 68, 69, 128, 83, 65, 68, 128, 83, 65, 196, 83, 65, 67, 82, 73, 70, 
-    73, 67, 73, 65, 204, 83, 65, 65, 73, 128, 83, 65, 65, 68, 72, 85, 128, 
-    83, 65, 45, 73, 128, 83, 65, 45, 50, 128, 83, 48, 52, 54, 128, 83, 48, 
-    52, 53, 128, 83, 48, 52, 52, 128, 83, 48, 52, 51, 128, 83, 48, 52, 50, 
-    128, 83, 48, 52, 49, 128, 83, 48, 52, 48, 128, 83, 48, 51, 57, 128, 83, 
-    48, 51, 56, 128, 83, 48, 51, 55, 128, 83, 48, 51, 54, 128, 83, 48, 51, 
-    53, 65, 128, 83, 48, 51, 53, 128, 83, 48, 51, 52, 128, 83, 48, 51, 51, 
-    128, 83, 48, 51, 50, 128, 83, 48, 51, 49, 128, 83, 48, 51, 48, 128, 83, 
-    48, 50, 57, 128, 83, 48, 50, 56, 128, 83, 48, 50, 55, 128, 83, 48, 50, 
-    54, 66, 128, 83, 48, 50, 54, 65, 128, 83, 48, 50, 54, 128, 83, 48, 50, 
-    53, 128, 83, 48, 50, 52, 128, 83, 48, 50, 51, 128, 83, 48, 50, 50, 128, 
-    83, 48, 50, 49, 128, 83, 48, 50, 48, 128, 83, 48, 49, 57, 128, 83, 48, 
-    49, 56, 128, 83, 48, 49, 55, 65, 128, 83, 48, 49, 55, 128, 83, 48, 49, 
-    54, 128, 83, 48, 49, 53, 128, 83, 48, 49, 52, 66, 128, 83, 48, 49, 52, 
-    65, 128, 83, 48, 49, 52, 128, 83, 48, 49, 51, 128, 83, 48, 49, 50, 128, 
-    83, 48, 49, 49, 128, 83, 48, 49, 48, 128, 83, 48, 48, 57, 128, 83, 48, 
-    48, 56, 128, 83, 48, 48, 55, 128, 83, 48, 48, 54, 65, 128, 83, 48, 48, 
-    54, 128, 83, 48, 48, 53, 128, 83, 48, 48, 52, 128, 83, 48, 48, 51, 128, 
-    83, 48, 48, 50, 65, 128, 83, 48, 48, 50, 128, 83, 48, 48, 49, 128, 83, 
-    45, 87, 128, 83, 45, 83, 72, 65, 80, 69, 196, 82, 89, 89, 128, 82, 89, 
-    88, 128, 82, 89, 84, 128, 82, 89, 82, 88, 128, 82, 89, 82, 128, 82, 89, 
-    80, 128, 82, 87, 79, 79, 128, 82, 87, 79, 128, 82, 87, 73, 73, 128, 82, 
-    87, 73, 128, 82, 87, 69, 69, 128, 82, 87, 69, 128, 82, 87, 65, 72, 65, 
-    128, 82, 87, 65, 65, 128, 82, 87, 65, 128, 82, 85, 88, 128, 82, 85, 85, 
-    66, 85, 82, 85, 128, 82, 85, 85, 128, 82, 85, 84, 128, 82, 85, 83, 73, 
-    128, 82, 85, 82, 88, 128, 82, 85, 82, 128, 82, 85, 80, 73, 73, 128, 82, 
-    85, 80, 69, 197, 82, 85, 80, 128, 82, 85, 79, 88, 128, 82, 85, 79, 80, 
-    128, 82, 85, 79, 128, 82, 85, 78, 79, 85, 84, 128, 82, 85, 78, 78, 73, 
-    78, 199, 82, 85, 78, 78, 69, 82, 128, 82, 85, 78, 128, 82, 85, 77, 201, 
-    82, 85, 77, 65, 201, 82, 85, 77, 128, 82, 85, 205, 82, 85, 76, 69, 82, 
-    128, 82, 85, 76, 69, 45, 68, 69, 76, 65, 89, 69, 68, 128, 82, 85, 76, 69, 
-    128, 82, 85, 75, 75, 65, 75, 72, 65, 128, 82, 85, 73, 83, 128, 82, 85, 
-    71, 66, 217, 82, 85, 194, 82, 85, 65, 128, 82, 84, 72, 65, 78, 199, 82, 
-    84, 65, 71, 83, 128, 82, 84, 65, 71, 211, 82, 82, 89, 88, 128, 82, 82, 
-    89, 84, 128, 82, 82, 89, 82, 88, 128, 82, 82, 89, 82, 128, 82, 82, 89, 
-    80, 128, 82, 82, 85, 88, 128, 82, 82, 85, 85, 128, 82, 82, 85, 84, 128, 
-    82, 82, 85, 82, 88, 128, 82, 82, 85, 82, 128, 82, 82, 85, 80, 128, 82, 
-    82, 85, 79, 88, 128, 82, 82, 85, 79, 128, 82, 82, 85, 128, 82, 82, 79, 
-    88, 128, 82, 82, 79, 84, 128, 82, 82, 79, 80, 128, 82, 82, 79, 79, 128, 
-    82, 82, 79, 128, 82, 82, 73, 73, 128, 82, 82, 73, 128, 82, 82, 69, 88, 
-    128, 82, 82, 69, 84, 128, 82, 82, 69, 80, 128, 82, 82, 69, 72, 128, 82, 
-    82, 69, 200, 82, 82, 69, 69, 128, 82, 82, 69, 128, 82, 82, 65, 88, 128, 
-    82, 82, 65, 85, 128, 82, 82, 65, 73, 128, 82, 82, 65, 65, 128, 82, 82, 
-    65, 128, 82, 79, 87, 66, 79, 65, 84, 128, 82, 79, 85, 78, 68, 69, 196, 
-    82, 79, 85, 78, 68, 45, 84, 73, 80, 80, 69, 196, 82, 79, 84, 85, 78, 68, 
-    65, 128, 82, 79, 84, 65, 84, 69, 196, 82, 79, 83, 72, 128, 82, 79, 83, 
-    69, 84, 84, 69, 128, 82, 79, 83, 69, 128, 82, 79, 79, 84, 128, 82, 79, 
-    79, 83, 84, 69, 82, 128, 82, 79, 79, 75, 128, 82, 79, 79, 70, 128, 82, 
-    79, 77, 65, 206, 82, 79, 77, 128, 82, 79, 76, 76, 69, 210, 82, 79, 72, 
-    73, 78, 71, 89, 193, 82, 79, 196, 82, 79, 67, 75, 69, 84, 128, 82, 79, 
-    67, 203, 82, 79, 67, 128, 82, 79, 66, 65, 84, 128, 82, 79, 65, 83, 84, 
-    69, 196, 82, 79, 65, 82, 128, 82, 79, 65, 128, 82, 78, 89, 73, 78, 199, 
-    82, 78, 79, 79, 78, 128, 82, 78, 79, 79, 206, 82, 78, 65, 205, 82, 77, 
-    84, 128, 82, 76, 79, 128, 82, 76, 77, 128, 82, 76, 73, 128, 82, 76, 69, 
-    128, 82, 74, 69, 211, 82, 74, 69, 128, 82, 74, 197, 82, 73, 86, 69, 82, 
-    128, 82, 73, 84, 85, 65, 76, 128, 82, 73, 84, 84, 79, 82, 85, 128, 82, 
-    73, 84, 83, 73, 128, 82, 73, 83, 73, 78, 199, 82, 73, 83, 72, 128, 82, 
-    73, 82, 65, 128, 82, 73, 80, 128, 82, 73, 78, 71, 211, 82, 73, 78, 70, 
-    79, 82, 90, 65, 78, 68, 79, 128, 82, 73, 206, 82, 73, 77, 71, 66, 65, 
+    211, 83, 79, 76, 73, 196, 83, 79, 72, 128, 83, 79, 71, 68, 73, 65, 206, 
+    83, 79, 70, 84, 87, 65, 82, 69, 45, 70, 85, 78, 67, 84, 73, 79, 206, 83, 
+    79, 70, 84, 78, 69, 83, 83, 128, 83, 79, 70, 212, 83, 79, 198, 83, 79, 
+    67, 73, 69, 84, 89, 128, 83, 79, 67, 67, 69, 210, 83, 79, 65, 80, 128, 
+    83, 79, 65, 128, 83, 207, 83, 78, 79, 87, 77, 65, 78, 128, 83, 78, 79, 
+    87, 77, 65, 206, 83, 78, 79, 87, 70, 76, 65, 75, 69, 128, 83, 78, 79, 87, 
+    66, 79, 65, 82, 68, 69, 82, 128, 83, 78, 79, 87, 128, 83, 78, 79, 215, 
+    83, 78, 79, 85, 84, 128, 83, 78, 79, 85, 212, 83, 78, 65, 208, 83, 78, 
+    65, 75, 69, 128, 83, 78, 65, 75, 197, 83, 78, 65, 73, 76, 128, 83, 78, 
+    193, 83, 77, 79, 75, 73, 78, 199, 83, 77, 73, 82, 75, 73, 78, 199, 83, 
+    77, 73, 76, 73, 78, 199, 83, 77, 73, 76, 69, 128, 83, 77, 69, 65, 82, 
+    128, 83, 77, 65, 83, 200, 83, 77, 65, 76, 76, 69, 210, 83, 77, 65, 76, 
+    76, 128, 83, 76, 85, 82, 128, 83, 76, 79, 87, 76, 89, 128, 83, 76, 79, 
+    215, 83, 76, 79, 86, 79, 128, 83, 76, 79, 212, 83, 76, 79, 80, 73, 78, 
+    199, 83, 76, 79, 80, 69, 128, 83, 76, 79, 65, 206, 83, 76, 73, 78, 71, 
+    128, 83, 76, 73, 71, 72, 84, 76, 217, 83, 76, 73, 68, 73, 78, 71, 128, 
+    83, 76, 73, 68, 69, 82, 128, 83, 76, 73, 67, 69, 128, 83, 76, 73, 67, 
+    197, 83, 76, 69, 85, 84, 200, 83, 76, 69, 69, 80, 217, 83, 76, 69, 69, 
+    80, 73, 78, 199, 83, 76, 65, 86, 79, 78, 73, 195, 83, 76, 65, 86, 69, 
+    128, 83, 76, 65, 83, 72, 128, 83, 76, 65, 83, 200, 83, 76, 65, 78, 84, 
+    69, 196, 83, 75, 87, 65, 128, 83, 75, 87, 128, 83, 75, 85, 76, 76, 128, 
+    83, 75, 85, 76, 204, 83, 75, 76, 73, 82, 79, 206, 83, 75, 73, 78, 128, 
+    83, 75, 73, 69, 82, 128, 83, 75, 201, 83, 75, 69, 87, 69, 196, 83, 75, 
+    65, 84, 69, 128, 83, 75, 128, 83, 74, 69, 128, 83, 73, 90, 197, 83, 73, 
+    88, 84, 89, 45, 70, 79, 85, 82, 84, 200, 83, 73, 88, 84, 89, 128, 83, 73, 
+    88, 84, 217, 83, 73, 88, 84, 72, 83, 128, 83, 73, 88, 84, 72, 211, 83, 
+    73, 88, 84, 72, 128, 83, 73, 88, 84, 69, 69, 78, 84, 72, 83, 128, 83, 73, 
+    88, 84, 69, 69, 78, 84, 72, 128, 83, 73, 88, 84, 69, 69, 78, 84, 200, 83, 
+    73, 88, 84, 69, 69, 78, 128, 83, 73, 88, 84, 69, 69, 206, 83, 73, 88, 45, 
+    84, 72, 73, 82, 84, 89, 128, 83, 73, 88, 45, 83, 84, 82, 73, 78, 199, 83, 
+    73, 88, 45, 80, 69, 82, 45, 69, 205, 83, 73, 88, 45, 76, 73, 78, 197, 83, 
+    73, 216, 83, 73, 84, 69, 128, 83, 73, 83, 65, 128, 83, 73, 82, 73, 78, 
+    71, 85, 128, 83, 73, 79, 83, 45, 84, 72, 73, 69, 85, 84, 72, 128, 83, 73, 
+    79, 83, 45, 83, 83, 65, 78, 71, 83, 73, 79, 83, 128, 83, 73, 79, 83, 45, 
+    82, 73, 69, 85, 76, 128, 83, 73, 79, 83, 45, 80, 73, 69, 85, 80, 45, 75, 
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+    65, 206, 82, 79, 77, 128, 82, 79, 76, 76, 69, 210, 82, 79, 76, 76, 69, 
+    68, 45, 85, 208, 82, 79, 72, 73, 78, 71, 89, 193, 82, 79, 71, 128, 82, 
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     128, 82, 73, 75, 82, 73, 75, 128, 82, 73, 71, 86, 69, 68, 73, 195, 82, 
     73, 71, 72, 84, 87, 65, 82, 68, 83, 128, 82, 73, 71, 72, 84, 72, 65, 78, 
     196, 82, 73, 71, 72, 84, 45, 84, 79, 45, 76, 69, 70, 212, 82, 73, 71, 72, 
     84, 45, 83, 73, 68, 197, 82, 73, 71, 72, 84, 45, 83, 72, 65, 68, 79, 87, 
     69, 196, 82, 73, 71, 72, 84, 45, 83, 72, 65, 68, 69, 196, 82, 73, 71, 72, 
-    84, 45, 80, 79, 73, 78, 84, 73, 78, 199, 82, 73, 71, 72, 84, 45, 72, 65, 
-    78, 68, 69, 196, 82, 73, 71, 72, 84, 45, 72, 65, 78, 196, 82, 73, 71, 72, 
-    84, 45, 70, 65, 67, 73, 78, 199, 82, 73, 71, 72, 84, 128, 82, 73, 69, 85, 
-    76, 45, 89, 69, 83, 73, 69, 85, 78, 71, 128, 82, 73, 69, 85, 76, 45, 89, 
-    69, 79, 82, 73, 78, 72, 73, 69, 85, 72, 45, 72, 73, 69, 85, 72, 128, 82, 
-    73, 69, 85, 76, 45, 89, 69, 79, 82, 73, 78, 72, 73, 69, 85, 72, 128, 82, 
-    73, 69, 85, 76, 45, 84, 73, 75, 69, 85, 84, 45, 72, 73, 69, 85, 72, 128, 
-    82, 73, 69, 85, 76, 45, 84, 73, 75, 69, 85, 84, 128, 82, 73, 69, 85, 76, 
-    45, 84, 72, 73, 69, 85, 84, 72, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 
-    78, 71, 84, 73, 75, 69, 85, 84, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 
-    78, 71, 83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 78, 71, 
-    80, 73, 69, 85, 80, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 78, 71, 75, 
-    73, 89, 69, 79, 75, 128, 82, 73, 69, 85, 76, 45, 83, 73, 79, 83, 128, 82, 
-    73, 69, 85, 76, 45, 80, 73, 69, 85, 80, 45, 84, 73, 75, 69, 85, 84, 128, 
-    82, 73, 69, 85, 76, 45, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 128, 82, 
-    73, 69, 85, 76, 45, 80, 73, 69, 85, 80, 45, 80, 72, 73, 69, 85, 80, 72, 
-    128, 82, 73, 69, 85, 76, 45, 80, 73, 69, 85, 80, 45, 72, 73, 69, 85, 72, 
-    128, 82, 73, 69, 85, 76, 45, 80, 73, 69, 85, 80, 128, 82, 73, 69, 85, 76, 
-    45, 80, 72, 73, 69, 85, 80, 72, 128, 82, 73, 69, 85, 76, 45, 80, 65, 78, 
-    83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 78, 73, 69, 85, 78, 128, 82, 
-    73, 69, 85, 76, 45, 77, 73, 69, 85, 77, 45, 83, 73, 79, 83, 128, 82, 73, 
-    69, 85, 76, 45, 77, 73, 69, 85, 77, 45, 75, 73, 89, 69, 79, 75, 128, 82, 
-    73, 69, 85, 76, 45, 77, 73, 69, 85, 77, 45, 72, 73, 69, 85, 72, 128, 82, 
-    73, 69, 85, 76, 45, 77, 73, 69, 85, 77, 128, 82, 73, 69, 85, 76, 45, 75, 
-    73, 89, 69, 79, 75, 45, 83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 75, 
-    73, 89, 69, 79, 75, 45, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 76, 45, 
-    75, 73, 89, 69, 79, 75, 128, 82, 73, 69, 85, 76, 45, 75, 65, 80, 89, 69, 
-    79, 85, 78, 80, 73, 69, 85, 80, 128, 82, 73, 69, 85, 76, 45, 72, 73, 69, 
-    85, 72, 128, 82, 73, 69, 85, 76, 45, 67, 73, 69, 85, 67, 128, 82, 73, 69, 
-    85, 204, 82, 73, 69, 76, 128, 82, 73, 69, 69, 128, 82, 73, 67, 69, 77, 
-    128, 82, 73, 67, 69, 128, 82, 73, 67, 197, 82, 73, 66, 66, 79, 78, 128, 
-    82, 73, 65, 204, 82, 72, 79, 84, 73, 195, 82, 72, 79, 128, 82, 72, 207, 
-    82, 72, 65, 128, 82, 71, 89, 73, 78, 71, 83, 128, 82, 71, 89, 65, 78, 
-    128, 82, 71, 89, 193, 82, 69, 86, 79, 76, 86, 73, 78, 199, 82, 69, 86, 
-    79, 76, 85, 84, 73, 79, 78, 128, 82, 69, 86, 77, 65, 128, 82, 69, 86, 73, 
-    65, 128, 82, 69, 86, 69, 82, 83, 69, 68, 128, 82, 69, 86, 69, 82, 83, 69, 
-    196, 82, 69, 86, 69, 82, 83, 197, 82, 69, 85, 88, 128, 82, 69, 85, 128, 
-    82, 69, 84, 85, 82, 78, 128, 82, 69, 84, 85, 82, 206, 82, 69, 84, 82, 79, 
-    70, 76, 69, 216, 82, 69, 84, 82, 69, 65, 84, 128, 82, 69, 84, 79, 82, 84, 
-    128, 82, 69, 83, 85, 80, 73, 78, 85, 83, 128, 82, 69, 83, 84, 82, 79, 79, 
-    77, 128, 82, 69, 83, 84, 82, 73, 67, 84, 69, 196, 82, 69, 83, 84, 128, 
-    82, 69, 83, 80, 79, 78, 83, 69, 128, 82, 69, 83, 79, 85, 82, 67, 69, 128, 
-    82, 69, 83, 79, 76, 85, 84, 73, 79, 78, 128, 82, 69, 83, 73, 83, 84, 65, 
-    78, 67, 69, 128, 82, 69, 83, 73, 68, 69, 78, 67, 69, 128, 82, 69, 83, 
-    200, 82, 69, 82, 69, 78, 71, 71, 65, 78, 128, 82, 69, 82, 69, 75, 65, 78, 
-    128, 82, 69, 80, 82, 69, 83, 69, 78, 84, 128, 82, 69, 80, 76, 65, 67, 69, 
-    77, 69, 78, 212, 82, 69, 80, 72, 128, 82, 69, 80, 69, 84, 73, 84, 73, 79, 
-    206, 82, 69, 80, 69, 65, 84, 69, 196, 82, 69, 80, 69, 65, 84, 128, 82, 
-    69, 80, 69, 65, 212, 82, 69, 80, 65, 89, 65, 128, 82, 69, 80, 65, 128, 
-    82, 69, 80, 193, 82, 69, 78, 84, 79, 71, 69, 78, 128, 82, 69, 78, 128, 
-    82, 69, 206, 82, 69, 77, 85, 128, 82, 69, 77, 69, 68, 89, 128, 82, 69, 
-    76, 73, 71, 73, 79, 78, 128, 82, 69, 76, 73, 69, 86, 69, 196, 82, 69, 76, 
-    69, 65, 83, 69, 128, 82, 69, 76, 65, 84, 73, 79, 78, 65, 204, 82, 69, 76, 
-    65, 84, 73, 79, 78, 128, 82, 69, 76, 65, 65, 128, 82, 69, 74, 65, 78, 
-    199, 82, 69, 73, 196, 82, 69, 71, 85, 76, 85, 83, 45, 52, 128, 82, 69, 
-    71, 85, 76, 85, 83, 45, 51, 128, 82, 69, 71, 85, 76, 85, 83, 45, 50, 128, 
-    82, 69, 71, 85, 76, 85, 83, 128, 82, 69, 71, 85, 76, 85, 211, 82, 69, 71, 
-    73, 83, 84, 69, 82, 69, 196, 82, 69, 71, 73, 79, 78, 65, 204, 82, 69, 71, 
-    73, 65, 45, 50, 128, 82, 69, 71, 73, 65, 128, 82, 69, 70, 79, 82, 77, 69, 
-    196, 82, 69, 70, 69, 82, 69, 78, 67, 197, 82, 69, 68, 85, 80, 76, 73, 67, 
-    65, 84, 73, 79, 78, 128, 82, 69, 67, 89, 67, 76, 73, 78, 199, 82, 69, 67, 
-    89, 67, 76, 69, 196, 82, 69, 67, 84, 73, 76, 73, 78, 69, 65, 210, 82, 69, 
-    67, 84, 65, 78, 71, 85, 76, 65, 210, 82, 69, 67, 84, 65, 78, 71, 76, 69, 
-    128, 82, 69, 67, 84, 65, 78, 71, 76, 197, 82, 69, 67, 82, 69, 65, 84, 73, 
-    79, 78, 65, 204, 82, 69, 67, 79, 82, 68, 73, 78, 199, 82, 69, 67, 79, 82, 
-    68, 69, 82, 128, 82, 69, 67, 79, 82, 196, 82, 69, 67, 69, 80, 84, 73, 86, 
-    197, 82, 69, 67, 69, 73, 86, 69, 82, 128, 82, 69, 65, 76, 71, 65, 82, 45, 
-    50, 128, 82, 69, 65, 76, 71, 65, 82, 128, 82, 69, 65, 72, 77, 85, 75, 
-    128, 82, 69, 65, 67, 72, 128, 82, 68, 207, 82, 68, 69, 204, 82, 66, 65, 
-    83, 193, 82, 65, 89, 83, 128, 82, 65, 89, 65, 78, 78, 65, 128, 82, 65, 
-    84, 73, 79, 128, 82, 65, 84, 72, 65, 128, 82, 65, 84, 72, 193, 82, 65, 
-    84, 65, 128, 82, 65, 84, 128, 82, 65, 83, 87, 65, 68, 73, 128, 82, 65, 
-    83, 79, 85, 204, 82, 65, 83, 72, 65, 128, 82, 65, 81, 128, 82, 65, 80, 
-    73, 83, 77, 65, 128, 82, 65, 78, 71, 197, 82, 65, 78, 65, 128, 82, 65, 
-    78, 128, 82, 65, 77, 211, 82, 65, 77, 66, 65, 84, 128, 82, 65, 75, 72, 
-    65, 78, 71, 128, 82, 65, 75, 65, 65, 82, 65, 65, 78, 83, 65, 89, 65, 128, 
-    82, 65, 73, 83, 73, 78, 199, 82, 65, 73, 83, 69, 196, 82, 65, 73, 78, 66, 
-    79, 87, 128, 82, 65, 73, 76, 87, 65, 89, 128, 82, 65, 73, 76, 87, 65, 
-    217, 82, 65, 73, 76, 128, 82, 65, 73, 68, 207, 82, 65, 73, 68, 65, 128, 
-    82, 65, 72, 77, 65, 84, 85, 76, 76, 65, 200, 82, 65, 72, 128, 82, 65, 70, 
-    69, 128, 82, 65, 69, 77, 128, 82, 65, 68, 73, 79, 65, 67, 84, 73, 86, 
-    197, 82, 65, 68, 73, 79, 128, 82, 65, 68, 73, 207, 82, 65, 68, 201, 82, 
-    65, 68, 128, 82, 65, 196, 82, 65, 67, 81, 85, 69, 212, 82, 65, 67, 73, 
-    78, 71, 128, 82, 65, 66, 66, 73, 84, 128, 82, 65, 66, 66, 73, 212, 82, 
-    65, 66, 128, 82, 65, 65, 73, 128, 82, 65, 51, 128, 82, 65, 50, 128, 82, 
-    65, 45, 50, 128, 82, 48, 50, 57, 128, 82, 48, 50, 56, 128, 82, 48, 50, 
-    55, 128, 82, 48, 50, 54, 128, 82, 48, 50, 53, 128, 82, 48, 50, 52, 128, 
-    82, 48, 50, 51, 128, 82, 48, 50, 50, 128, 82, 48, 50, 49, 128, 82, 48, 
-    50, 48, 128, 82, 48, 49, 57, 128, 82, 48, 49, 56, 128, 82, 48, 49, 55, 
-    128, 82, 48, 49, 54, 65, 128, 82, 48, 49, 54, 128, 82, 48, 49, 53, 128, 
-    82, 48, 49, 52, 128, 82, 48, 49, 51, 128, 82, 48, 49, 50, 128, 82, 48, 
-    49, 49, 128, 82, 48, 49, 48, 65, 128, 82, 48, 49, 48, 128, 82, 48, 48, 
-    57, 128, 82, 48, 48, 56, 128, 82, 48, 48, 55, 128, 82, 48, 48, 54, 128, 
-    82, 48, 48, 53, 128, 82, 48, 48, 52, 128, 82, 48, 48, 51, 66, 128, 82, 
-    48, 48, 51, 65, 128, 82, 48, 48, 51, 128, 82, 48, 48, 50, 65, 128, 82, 
-    48, 48, 50, 128, 82, 48, 48, 49, 128, 82, 45, 67, 82, 69, 197, 81, 89, 
-    88, 128, 81, 89, 85, 128, 81, 89, 84, 128, 81, 89, 82, 88, 128, 81, 89, 
-    82, 128, 81, 89, 80, 128, 81, 89, 79, 128, 81, 89, 73, 128, 81, 89, 69, 
-    69, 128, 81, 89, 69, 128, 81, 89, 65, 65, 128, 81, 89, 65, 128, 81, 89, 
-    128, 81, 87, 73, 128, 81, 87, 69, 69, 128, 81, 87, 69, 128, 81, 87, 65, 
-    65, 128, 81, 87, 65, 128, 81, 85, 88, 128, 81, 85, 86, 128, 81, 85, 85, 
-    86, 128, 81, 85, 85, 128, 81, 85, 84, 128, 81, 85, 83, 72, 83, 72, 65, 
-    89, 65, 128, 81, 85, 82, 88, 128, 81, 85, 82, 128, 81, 85, 80, 128, 81, 
-    85, 79, 88, 128, 81, 85, 79, 84, 197, 81, 85, 79, 84, 65, 84, 73, 79, 
-    206, 81, 85, 79, 84, 128, 81, 85, 79, 80, 128, 81, 85, 79, 128, 81, 85, 
-    75, 128, 81, 85, 73, 78, 84, 69, 83, 83, 69, 78, 67, 69, 128, 81, 85, 73, 
-    78, 68, 73, 67, 69, 83, 73, 77, 193, 81, 85, 73, 78, 67, 85, 78, 88, 128, 
-    81, 85, 73, 78, 65, 82, 73, 85, 211, 81, 85, 73, 76, 76, 128, 81, 85, 73, 
-    67, 203, 81, 85, 73, 128, 81, 85, 70, 128, 81, 85, 69, 83, 84, 73, 79, 
-    78, 69, 196, 81, 85, 69, 83, 84, 73, 79, 78, 128, 81, 85, 69, 83, 84, 73, 
-    79, 206, 81, 85, 69, 69, 78, 128, 81, 85, 69, 69, 206, 81, 85, 69, 128, 
-    81, 85, 66, 85, 84, 83, 128, 81, 85, 65, 84, 69, 82, 78, 73, 79, 206, 81, 
-    85, 65, 82, 84, 69, 82, 83, 128, 81, 85, 65, 82, 84, 69, 82, 211, 81, 85, 
-    65, 82, 84, 69, 82, 128, 81, 85, 65, 82, 84, 69, 210, 81, 85, 65, 78, 84, 
-    73, 84, 217, 81, 85, 65, 68, 82, 85, 80, 76, 197, 81, 85, 65, 68, 82, 65, 
-    78, 84, 128, 81, 85, 65, 68, 82, 65, 78, 212, 81, 85, 65, 68, 128, 81, 
-    85, 65, 196, 81, 85, 65, 128, 81, 85, 128, 81, 208, 81, 79, 88, 128, 81, 
-    79, 84, 128, 81, 79, 80, 72, 128, 81, 79, 80, 65, 128, 81, 79, 80, 128, 
-    81, 79, 79, 128, 81, 79, 207, 81, 79, 70, 128, 81, 79, 198, 81, 79, 65, 
-    128, 81, 79, 128, 81, 78, 128, 81, 73, 88, 128, 81, 73, 84, 83, 65, 128, 
-    81, 73, 84, 128, 81, 73, 80, 128, 81, 73, 73, 128, 81, 73, 69, 88, 128, 
-    81, 73, 69, 84, 128, 81, 73, 69, 80, 128, 81, 73, 69, 128, 81, 73, 128, 
-    81, 72, 87, 73, 128, 81, 72, 87, 69, 69, 128, 81, 72, 87, 69, 128, 81, 
-    72, 87, 65, 65, 128, 81, 72, 87, 65, 128, 81, 72, 85, 128, 81, 72, 79, 
-    128, 81, 72, 73, 128, 81, 72, 69, 69, 128, 81, 72, 69, 128, 81, 72, 65, 
-    65, 128, 81, 72, 65, 128, 81, 71, 65, 128, 81, 69, 84, 65, 78, 65, 128, 
-    81, 69, 69, 128, 81, 69, 128, 81, 65, 85, 128, 81, 65, 84, 65, 78, 128, 
-    81, 65, 82, 78, 69, 217, 81, 65, 82, 128, 81, 65, 81, 128, 81, 65, 80, 
-    72, 128, 81, 65, 77, 65, 84, 83, 128, 81, 65, 77, 65, 84, 211, 81, 65, 
-    76, 193, 81, 65, 73, 82, 84, 72, 82, 65, 128, 81, 65, 73, 128, 81, 65, 
-    70, 128, 81, 65, 198, 81, 65, 68, 77, 65, 128, 81, 65, 65, 73, 128, 81, 
-    65, 65, 70, 85, 128, 81, 65, 65, 70, 128, 81, 48, 48, 55, 128, 81, 48, 
-    48, 54, 128, 81, 48, 48, 53, 128, 81, 48, 48, 52, 128, 81, 48, 48, 51, 
-    128, 81, 48, 48, 50, 128, 81, 48, 48, 49, 128, 80, 90, 128, 80, 89, 88, 
-    128, 80, 89, 84, 128, 80, 89, 82, 88, 128, 80, 89, 82, 128, 80, 89, 80, 
-    128, 80, 89, 128, 80, 87, 79, 89, 128, 80, 87, 79, 79, 128, 80, 87, 79, 
-    128, 80, 87, 207, 80, 87, 73, 73, 128, 80, 87, 73, 128, 80, 87, 69, 69, 
-    128, 80, 87, 69, 128, 80, 87, 65, 65, 128, 80, 87, 128, 80, 86, 128, 80, 
-    85, 88, 128, 80, 85, 85, 84, 128, 80, 85, 85, 128, 80, 85, 84, 82, 69, 
-    70, 65, 67, 84, 73, 79, 78, 128, 80, 85, 84, 128, 80, 85, 212, 80, 85, 
-    83, 72, 80, 73, 78, 128, 80, 85, 83, 72, 80, 73, 75, 65, 128, 80, 85, 83, 
-    72, 73, 78, 199, 80, 85, 82, 88, 128, 80, 85, 82, 83, 69, 128, 80, 85, 
-    82, 80, 76, 197, 80, 85, 82, 78, 65, 77, 65, 128, 80, 85, 82, 73, 84, 89, 
-    128, 80, 85, 82, 73, 70, 89, 128, 80, 85, 82, 128, 80, 85, 81, 128, 80, 
-    85, 80, 128, 80, 85, 79, 88, 128, 80, 85, 79, 80, 128, 80, 85, 79, 128, 
-    80, 85, 78, 71, 65, 65, 77, 128, 80, 85, 78, 71, 128, 80, 85, 78, 67, 84, 
-    85, 65, 84, 73, 79, 78, 128, 80, 85, 78, 67, 84, 85, 65, 84, 73, 79, 206, 
-    80, 85, 77, 80, 128, 80, 85, 77, 128, 80, 85, 69, 128, 80, 85, 66, 76, 
-    73, 195, 80, 85, 65, 81, 128, 80, 85, 65, 69, 128, 80, 85, 50, 128, 80, 
-    85, 49, 128, 80, 85, 128, 80, 84, 72, 65, 72, 193, 80, 84, 69, 128, 80, 
-    83, 73, 76, 201, 80, 83, 73, 70, 73, 83, 84, 79, 83, 89, 78, 65, 71, 77, 
-    65, 128, 80, 83, 73, 70, 73, 83, 84, 79, 80, 65, 82, 65, 75, 65, 76, 69, 
-    83, 77, 65, 128, 80, 83, 73, 70, 73, 83, 84, 79, 206, 80, 83, 73, 70, 73, 
-    83, 84, 79, 76, 89, 71, 73, 83, 77, 65, 128, 80, 83, 73, 128, 80, 83, 
-    128, 80, 82, 79, 86, 69, 128, 80, 82, 79, 84, 79, 86, 65, 82, 89, 211, 
-    80, 82, 79, 84, 79, 211, 80, 82, 79, 84, 69, 67, 84, 69, 196, 80, 82, 79, 
-    83, 71, 69, 71, 82, 65, 77, 77, 69, 78, 73, 128, 80, 82, 79, 80, 79, 82, 
-    84, 73, 79, 78, 65, 204, 80, 82, 79, 80, 79, 82, 84, 73, 79, 78, 128, 80, 
-    82, 79, 80, 69, 82, 84, 217, 80, 82, 79, 80, 69, 76, 76, 69, 210, 80, 82, 
-    79, 79, 70, 128, 80, 82, 79, 76, 79, 78, 71, 69, 196, 80, 82, 79, 76, 65, 
-    84, 73, 79, 78, 197, 80, 82, 79, 74, 69, 67, 84, 73, 86, 69, 128, 80, 82, 
-    79, 74, 69, 67, 84, 73, 79, 78, 128, 80, 82, 79, 71, 82, 69, 83, 83, 128, 
-    80, 82, 79, 71, 82, 65, 205, 80, 82, 79, 70, 79, 85, 78, 68, 128, 80, 82, 
-    79, 68, 85, 67, 84, 128, 80, 82, 79, 68, 85, 67, 212, 80, 82, 73, 86, 65, 
-    84, 69, 128, 80, 82, 73, 86, 65, 84, 197, 80, 82, 73, 86, 65, 67, 217, 
-    80, 82, 73, 83, 72, 84, 72, 65, 77, 65, 84, 82, 193, 80, 82, 73, 78, 84, 
-    83, 128, 80, 82, 73, 78, 84, 128, 80, 82, 73, 78, 212, 80, 82, 73, 78, 
-    67, 69, 83, 83, 128, 80, 82, 73, 77, 69, 128, 80, 82, 73, 77, 197, 80, 
-    82, 69, 86, 73, 79, 85, 211, 80, 82, 69, 83, 69, 84, 128, 80, 82, 69, 83, 
-    69, 78, 84, 65, 84, 73, 79, 206, 80, 82, 69, 83, 67, 82, 73, 80, 84, 73, 
-    79, 206, 80, 82, 69, 80, 79, 78, 68, 69, 82, 65, 78, 67, 69, 128, 80, 82, 
-    69, 78, 75, 72, 65, 128, 80, 82, 69, 70, 65, 67, 197, 80, 82, 69, 67, 73, 
-    80, 73, 84, 65, 84, 69, 128, 80, 82, 69, 67, 69, 68, 73, 78, 199, 80, 82, 
-    69, 67, 69, 68, 69, 83, 128, 80, 82, 69, 67, 69, 68, 69, 211, 80, 82, 69, 
-    67, 69, 68, 69, 196, 80, 82, 69, 67, 69, 68, 69, 128, 80, 82, 69, 67, 69, 
-    68, 197, 80, 82, 65, 77, 45, 80, 73, 73, 128, 80, 82, 65, 77, 45, 80, 73, 
-    201, 80, 82, 65, 77, 45, 77, 85, 79, 89, 128, 80, 82, 65, 77, 45, 77, 85, 
-    79, 217, 80, 82, 65, 77, 45, 66, 85, 79, 78, 128, 80, 82, 65, 77, 45, 66, 
-    85, 79, 206, 80, 82, 65, 77, 45, 66, 69, 73, 128, 80, 82, 65, 77, 45, 66, 
-    69, 201, 80, 82, 65, 77, 128, 80, 82, 65, 205, 80, 82, 128, 80, 80, 86, 
-    128, 80, 80, 77, 128, 80, 80, 65, 128, 80, 79, 89, 128, 80, 79, 88, 128, 
-    80, 79, 87, 69, 82, 211, 80, 79, 87, 69, 82, 128, 80, 79, 87, 68, 69, 82, 
-    69, 196, 80, 79, 87, 68, 69, 82, 128, 80, 79, 85, 78, 196, 80, 79, 85, 
-    76, 84, 82, 217, 80, 79, 85, 67, 72, 128, 80, 79, 84, 65, 84, 79, 128, 
-    80, 79, 84, 65, 66, 76, 197, 80, 79, 212, 80, 79, 83, 84, 80, 79, 83, 73, 
-    84, 73, 79, 206, 80, 79, 83, 84, 66, 79, 88, 128, 80, 79, 83, 84, 65, 
-    204, 80, 79, 83, 84, 128, 80, 79, 83, 212, 80, 79, 83, 83, 69, 83, 83, 
-    73, 79, 78, 128, 80, 79, 82, 82, 69, 67, 84, 85, 83, 128, 80, 79, 82, 82, 
-    69, 67, 84, 85, 211, 80, 79, 80, 80, 69, 82, 128, 80, 79, 80, 128, 80, 
-    79, 208, 80, 79, 79, 68, 76, 69, 128, 80, 79, 79, 128, 80, 79, 78, 68, 
-    79, 128, 80, 79, 206, 80, 79, 77, 77, 69, 69, 128, 80, 79, 77, 77, 69, 
-    197, 80, 79, 76, 73, 83, 72, 128, 80, 79, 76, 73, 67, 197, 80, 79, 76, 
-    201, 80, 79, 76, 69, 128, 80, 79, 76, 197, 80, 79, 75, 82, 89, 84, 73, 
-    69, 128, 80, 79, 75, 79, 74, 73, 128, 80, 79, 73, 78, 84, 211, 80, 79, 
-    73, 78, 84, 79, 128, 80, 79, 73, 78, 84, 69, 82, 128, 80, 79, 73, 78, 84, 
-    69, 196, 80, 79, 73, 78, 84, 128, 80, 79, 73, 78, 212, 80, 79, 69, 84, 
-    82, 217, 80, 79, 69, 84, 73, 195, 80, 79, 68, 65, 84, 85, 83, 128, 80, 
-    79, 65, 128, 80, 79, 128, 80, 207, 80, 78, 69, 85, 77, 65, 84, 65, 128, 
-    80, 76, 85, 84, 79, 128, 80, 76, 85, 83, 45, 77, 73, 78, 85, 211, 80, 76, 
-    85, 83, 128, 80, 76, 85, 82, 65, 76, 128, 80, 76, 85, 77, 69, 196, 80, 
-    76, 85, 77, 128, 80, 76, 85, 75, 128, 80, 76, 85, 71, 128, 80, 76, 85, 
-    128, 80, 76, 79, 87, 128, 80, 76, 79, 80, 72, 85, 128, 80, 76, 69, 84, 
-    72, 82, 79, 78, 128, 80, 76, 68, 128, 80, 76, 65, 89, 73, 78, 199, 80, 
-    76, 65, 83, 84, 73, 67, 83, 128, 80, 76, 65, 78, 69, 128, 80, 76, 65, 78, 
-    197, 80, 76, 65, 78, 67, 203, 80, 76, 65, 75, 128, 80, 76, 65, 71, 73, 
-    79, 211, 80, 76, 65, 67, 69, 72, 79, 76, 68, 69, 210, 80, 76, 65, 67, 
-    197, 80, 76, 65, 128, 80, 73, 90, 90, 73, 67, 65, 84, 79, 128, 80, 73, 
-    90, 90, 65, 128, 80, 73, 88, 128, 80, 73, 87, 82, 128, 80, 73, 84, 67, 
-    72, 70, 79, 82, 75, 128, 80, 73, 84, 67, 72, 70, 79, 82, 203, 80, 73, 84, 
-    128, 80, 73, 83, 84, 79, 76, 128, 80, 73, 83, 69, 76, 69, 72, 128, 80, 
-    73, 83, 67, 69, 83, 128, 80, 73, 82, 73, 71, 128, 80, 73, 82, 73, 199, 
-    80, 73, 82, 73, 69, 69, 78, 128, 80, 73, 80, 73, 78, 71, 128, 80, 73, 80, 
-    65, 69, 77, 71, 66, 73, 69, 69, 128, 80, 73, 80, 65, 69, 77, 66, 65, 128, 
-    80, 73, 80, 128, 80, 73, 78, 87, 72, 69, 69, 204, 80, 73, 78, 69, 65, 80, 
-    80, 76, 69, 128, 80, 73, 78, 197, 80, 73, 78, 65, 82, 66, 79, 82, 65, 83, 
-    128, 80, 73, 76, 76, 128, 80, 73, 76, 197, 80, 73, 76, 67, 82, 79, 215, 
-    80, 73, 75, 85, 82, 85, 128, 80, 73, 75, 79, 128, 80, 73, 71, 128, 80, 
-    73, 199, 80, 73, 69, 88, 128, 80, 73, 69, 85, 80, 45, 84, 72, 73, 69, 85, 
-    84, 72, 128, 80, 73, 69, 85, 80, 45, 83, 83, 65, 78, 71, 83, 73, 79, 83, 
-    128, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 45, 84, 73, 75, 69, 85, 84, 
-    128, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 45, 84, 72, 73, 69, 85, 84, 
-    72, 128, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 45, 80, 73, 69, 85, 80, 
-    128, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 45, 75, 73, 89, 69, 79, 75, 
-    128, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 45, 67, 73, 69, 85, 67, 128, 
-    80, 73, 69, 85, 80, 45, 82, 73, 69, 85, 76, 45, 80, 72, 73, 69, 85, 80, 
-    72, 128, 80, 73, 69, 85, 80, 45, 82, 73, 69, 85, 76, 128, 80, 73, 69, 85, 
-    80, 45, 78, 73, 69, 85, 78, 128, 80, 73, 69, 85, 80, 45, 77, 73, 69, 85, 
-    77, 128, 80, 73, 69, 85, 80, 45, 75, 72, 73, 69, 85, 75, 72, 128, 80, 73, 
-    69, 85, 80, 45, 67, 73, 69, 85, 67, 128, 80, 73, 69, 85, 80, 45, 67, 72, 
-    73, 69, 85, 67, 72, 128, 80, 73, 69, 85, 208, 80, 73, 69, 84, 128, 80, 
-    73, 69, 80, 128, 80, 73, 69, 69, 84, 128, 80, 73, 69, 69, 81, 128, 80, 
-    73, 69, 67, 69, 128, 80, 73, 69, 128, 80, 73, 67, 75, 69, 84, 128, 80, 
-    73, 67, 75, 128, 80, 73, 65, 83, 85, 84, 79, 82, 85, 128, 80, 73, 65, 83, 
-    77, 193, 80, 73, 65, 78, 79, 128, 80, 201, 80, 72, 87, 65, 128, 80, 72, 
-    85, 84, 72, 65, 79, 128, 80, 72, 85, 210, 80, 72, 85, 78, 71, 128, 80, 
-    72, 82, 65, 83, 69, 128, 80, 72, 79, 78, 69, 83, 128, 80, 72, 79, 69, 78, 
-    73, 67, 73, 65, 206, 80, 72, 79, 65, 128, 80, 72, 79, 128, 80, 72, 207, 
-    80, 72, 78, 65, 69, 203, 80, 72, 73, 78, 84, 72, 85, 128, 80, 72, 73, 76, 
-    79, 83, 79, 80, 72, 69, 82, 211, 80, 72, 73, 76, 73, 80, 80, 73, 78, 197, 
-    80, 72, 73, 69, 85, 80, 72, 45, 84, 72, 73, 69, 85, 84, 72, 128, 80, 72, 
-    73, 69, 85, 80, 72, 45, 83, 73, 79, 83, 128, 80, 72, 73, 69, 85, 80, 72, 
-    45, 80, 73, 69, 85, 80, 128, 80, 72, 73, 69, 85, 80, 72, 45, 72, 73, 69, 
-    85, 72, 128, 80, 72, 73, 69, 85, 80, 200, 80, 72, 73, 128, 80, 72, 201, 
-    80, 72, 69, 69, 128, 80, 72, 69, 128, 80, 72, 65, 83, 69, 45, 198, 80, 
-    72, 65, 83, 69, 45, 194, 80, 72, 65, 82, 89, 78, 71, 69, 65, 204, 80, 72, 
-    65, 82, 128, 80, 72, 65, 78, 128, 80, 72, 65, 77, 128, 80, 72, 65, 73, 
-    83, 84, 79, 211, 80, 72, 65, 71, 83, 45, 80, 193, 80, 72, 65, 65, 82, 75, 
-    65, 65, 128, 80, 72, 65, 65, 128, 80, 72, 65, 128, 80, 71, 128, 80, 70, 
-    128, 80, 69, 85, 88, 128, 80, 69, 85, 84, 65, 69, 128, 80, 69, 85, 84, 
-    128, 80, 69, 84, 65, 83, 84, 79, 75, 79, 85, 70, 73, 83, 77, 65, 128, 80, 
-    69, 84, 65, 83, 84, 73, 128, 80, 69, 84, 65, 83, 77, 65, 128, 80, 69, 84, 
-    65, 76, 76, 69, 196, 80, 69, 83, 79, 128, 80, 69, 83, 207, 80, 69, 83, 
-    72, 50, 128, 80, 69, 83, 69, 84, 193, 80, 69, 211, 80, 69, 82, 84, 72, 
-    207, 80, 69, 82, 83, 80, 69, 67, 84, 73, 86, 69, 128, 80, 69, 82, 83, 79, 
-    78, 65, 204, 80, 69, 82, 83, 79, 78, 128, 80, 69, 82, 83, 79, 206, 80, 
-    69, 82, 83, 73, 65, 206, 80, 69, 82, 83, 69, 86, 69, 82, 73, 78, 199, 80, 
-    69, 82, 80, 69, 78, 68, 73, 67, 85, 76, 65, 82, 128, 80, 69, 82, 80, 69, 
-    78, 68, 73, 67, 85, 76, 65, 210, 80, 69, 82, 77, 73, 84, 84, 69, 196, 80, 
-    69, 82, 77, 65, 78, 69, 78, 212, 80, 69, 82, 73, 83, 80, 79, 77, 69, 78, 
-    73, 128, 80, 69, 82, 73, 83, 80, 79, 77, 69, 78, 201, 80, 69, 82, 70, 79, 
-    82, 77, 73, 78, 199, 80, 69, 82, 70, 69, 67, 84, 85, 205, 80, 69, 82, 70, 
-    69, 67, 84, 65, 128, 80, 69, 82, 70, 69, 67, 84, 193, 80, 69, 82, 67, 85, 
-    83, 83, 73, 86, 69, 128, 80, 69, 82, 67, 69, 78, 212, 80, 69, 80, 69, 84, 
-    128, 80, 69, 80, 69, 212, 80, 69, 79, 82, 84, 200, 80, 69, 79, 80, 76, 
-    69, 128, 80, 69, 78, 84, 65, 83, 69, 77, 69, 128, 80, 69, 78, 84, 65, 71, 
-    82, 65, 77, 128, 80, 69, 78, 84, 65, 71, 79, 78, 128, 80, 69, 78, 83, 85, 
-    128, 80, 69, 78, 83, 73, 86, 197, 80, 69, 78, 78, 217, 80, 69, 78, 73, 
-    72, 73, 128, 80, 69, 78, 71, 85, 73, 78, 128, 80, 69, 78, 71, 75, 65, 76, 
-    128, 80, 69, 78, 69, 84, 82, 65, 84, 73, 79, 78, 128, 80, 69, 78, 67, 73, 
-    76, 128, 80, 69, 76, 65, 83, 84, 79, 78, 128, 80, 69, 76, 65, 83, 84, 79, 
-    206, 80, 69, 73, 84, 72, 128, 80, 69, 72, 69, 72, 128, 80, 69, 72, 69, 
-    200, 80, 69, 72, 128, 80, 69, 200, 80, 69, 69, 90, 73, 128, 80, 69, 69, 
-    83, 72, 73, 128, 80, 69, 69, 80, 128, 80, 69, 69, 77, 128, 80, 69, 69, 
-    128, 80, 69, 68, 69, 83, 84, 82, 73, 65, 78, 83, 128, 80, 69, 68, 69, 83, 
-    84, 82, 73, 65, 78, 128, 80, 69, 68, 69, 83, 84, 65, 76, 128, 80, 69, 68, 
-    69, 83, 84, 65, 204, 80, 69, 68, 65, 204, 80, 69, 65, 67, 72, 128, 80, 
-    69, 65, 67, 69, 128, 80, 69, 65, 67, 197, 80, 68, 73, 128, 80, 68, 70, 
-    128, 80, 68, 128, 80, 67, 128, 80, 65, 90, 69, 82, 128, 80, 65, 89, 69, 
-    82, 79, 75, 128, 80, 65, 89, 65, 78, 78, 65, 128, 80, 65, 89, 128, 80, 
-    65, 88, 128, 80, 65, 87, 78, 128, 80, 65, 215, 80, 65, 86, 73, 89, 65, 
-    78, 73, 128, 80, 65, 85, 128, 80, 65, 84, 84, 69, 82, 78, 128, 80, 65, 
-    84, 72, 65, 77, 65, 83, 65, 84, 128, 80, 65, 84, 200, 80, 65, 84, 65, 75, 
-    128, 80, 65, 84, 65, 72, 128, 80, 65, 84, 128, 80, 65, 83, 85, 81, 128, 
-    80, 65, 83, 83, 80, 79, 82, 212, 80, 65, 83, 83, 73, 86, 69, 45, 80, 85, 
-    76, 76, 45, 85, 80, 45, 79, 85, 84, 80, 85, 212, 80, 65, 83, 83, 73, 86, 
-    69, 45, 80, 85, 76, 76, 45, 68, 79, 87, 78, 45, 79, 85, 84, 80, 85, 212, 
-    80, 65, 83, 72, 84, 65, 128, 80, 65, 83, 72, 65, 69, 128, 80, 65, 83, 69, 
-    81, 128, 80, 65, 83, 65, 78, 71, 65, 206, 80, 65, 82, 85, 77, 128, 80, 
-    65, 82, 84, 217, 80, 65, 82, 84, 78, 69, 82, 83, 72, 73, 208, 80, 65, 82, 
-    84, 73, 65, 76, 76, 89, 45, 82, 69, 67, 89, 67, 76, 69, 196, 80, 65, 82, 
-    84, 73, 65, 204, 80, 65, 82, 84, 72, 73, 65, 206, 80, 65, 82, 212, 80, 
-    65, 82, 73, 67, 72, 79, 78, 128, 80, 65, 82, 69, 83, 84, 73, 71, 77, 69, 
-    78, 79, 206, 80, 65, 82, 69, 82, 69, 78, 128, 80, 65, 82, 69, 78, 84, 72, 
-    69, 83, 73, 83, 128, 80, 65, 82, 69, 78, 84, 72, 69, 83, 73, 211, 80, 65, 
-    82, 65, 80, 72, 82, 65, 83, 197, 80, 65, 82, 65, 76, 76, 69, 76, 79, 71, 
-    82, 65, 77, 128, 80, 65, 82, 65, 76, 76, 69, 76, 128, 80, 65, 82, 65, 76, 
-    76, 69, 204, 80, 65, 82, 65, 75, 76, 73, 84, 73, 75, 73, 128, 80, 65, 82, 
-    65, 75, 76, 73, 84, 73, 75, 201, 80, 65, 82, 65, 75, 65, 76, 69, 83, 77, 
-    193, 80, 65, 82, 65, 71, 82, 65, 80, 72, 79, 83, 128, 80, 65, 82, 65, 71, 
-    82, 65, 80, 72, 128, 80, 65, 82, 65, 71, 82, 65, 80, 200, 80, 65, 82, 65, 
-    128, 80, 65, 82, 128, 80, 65, 80, 89, 82, 85, 83, 128, 80, 65, 80, 69, 
-    82, 67, 76, 73, 80, 128, 80, 65, 80, 69, 210, 80, 65, 80, 128, 80, 65, 
-    208, 80, 65, 207, 80, 65, 78, 89, 85, 75, 85, 128, 80, 65, 78, 89, 73, 
-    75, 85, 128, 80, 65, 78, 89, 69, 67, 69, 75, 128, 80, 65, 78, 89, 65, 78, 
-    71, 71, 65, 128, 80, 65, 78, 89, 65, 75, 82, 65, 128, 80, 65, 78, 84, 73, 
-    128, 80, 65, 78, 83, 73, 79, 83, 45, 80, 73, 69, 85, 80, 128, 80, 65, 78, 
-    83, 73, 79, 83, 45, 75, 65, 80, 89, 69, 79, 85, 78, 80, 73, 69, 85, 80, 
-    128, 80, 65, 78, 79, 78, 71, 79, 78, 65, 78, 128, 80, 65, 78, 79, 76, 79, 
-    78, 71, 128, 80, 65, 78, 71, 87, 73, 83, 65, 68, 128, 80, 65, 78, 71, 82, 
-    65, 78, 71, 75, 69, 80, 128, 80, 65, 78, 71, 79, 76, 65, 84, 128, 80, 65, 
-    78, 71, 76, 79, 78, 71, 128, 80, 65, 78, 71, 76, 65, 89, 65, 82, 128, 80, 
-    65, 78, 71, 75, 79, 78, 128, 80, 65, 78, 71, 75, 65, 84, 128, 80, 65, 78, 
-    71, 72, 85, 76, 85, 128, 80, 65, 78, 71, 128, 80, 65, 78, 69, 85, 76, 69, 
-    85, 78, 71, 128, 80, 65, 78, 68, 193, 80, 65, 78, 65, 69, 76, 65, 69, 78, 
-    71, 128, 80, 65, 78, 128, 80, 65, 77, 85, 78, 71, 75, 65, 72, 128, 80, 
-    65, 77, 85, 68, 80, 79, 68, 128, 80, 65, 77, 83, 72, 65, 69, 128, 80, 65, 
-    77, 80, 72, 89, 76, 73, 65, 206, 80, 65, 77, 73, 78, 71, 75, 65, 76, 128, 
-    80, 65, 77, 69, 80, 69, 84, 128, 80, 65, 77, 69, 78, 69, 78, 71, 128, 80, 
-    65, 77, 65, 68, 65, 128, 80, 65, 77, 65, 65, 69, 72, 128, 80, 65, 76, 85, 
-    84, 65, 128, 80, 65, 76, 79, 67, 72, 75, 65, 128, 80, 65, 76, 205, 80, 
-    65, 76, 76, 65, 87, 65, 128, 80, 65, 76, 76, 65, 83, 128, 80, 65, 76, 69, 
-    84, 84, 69, 128, 80, 65, 76, 65, 85, 78, 199, 80, 65, 76, 65, 84, 65, 76, 
-    73, 90, 69, 196, 80, 65, 76, 65, 84, 65, 76, 73, 90, 65, 84, 73, 79, 78, 
-    128, 80, 65, 76, 65, 84, 65, 204, 80, 65, 75, 80, 65, 203, 80, 65, 73, 
-    89, 65, 78, 78, 79, 73, 128, 80, 65, 73, 82, 84, 72, 82, 65, 128, 80, 65, 
-    73, 82, 69, 196, 80, 65, 73, 128, 80, 65, 72, 76, 65, 86, 201, 80, 65, 
-    72, 128, 80, 65, 71, 69, 82, 128, 80, 65, 71, 197, 80, 65, 68, 77, 193, 
-    80, 65, 68, 68, 73, 78, 199, 80, 65, 68, 193, 80, 65, 68, 128, 80, 65, 
-    67, 75, 73, 78, 71, 128, 80, 65, 67, 75, 65, 71, 69, 128, 80, 65, 65, 84, 
-    85, 128, 80, 65, 65, 83, 69, 78, 84, 79, 128, 80, 65, 65, 82, 65, 69, 
-    128, 80, 65, 65, 77, 128, 80, 65, 65, 73, 128, 80, 65, 65, 45, 80, 73, 
-    76, 76, 65, 128, 80, 65, 65, 128, 80, 50, 128, 80, 48, 49, 49, 128, 80, 
-    48, 49, 48, 128, 80, 48, 48, 57, 128, 80, 48, 48, 56, 128, 80, 48, 48, 
-    55, 128, 80, 48, 48, 54, 128, 80, 48, 48, 53, 128, 80, 48, 48, 52, 128, 
-    80, 48, 48, 51, 65, 128, 80, 48, 48, 51, 128, 80, 48, 48, 50, 128, 80, 
-    48, 48, 49, 65, 128, 80, 48, 48, 49, 128, 79, 89, 82, 65, 78, 73, 83, 77, 
-    193, 79, 89, 65, 78, 78, 65, 128, 79, 88, 73, 65, 128, 79, 88, 73, 193, 
-    79, 88, 69, 73, 65, 201, 79, 88, 69, 73, 193, 79, 86, 69, 82, 82, 73, 68, 
-    69, 128, 79, 86, 69, 82, 76, 79, 78, 199, 79, 86, 69, 82, 76, 73, 78, 69, 
+    84, 45, 80, 79, 73, 78, 84, 73, 78, 199, 82, 73, 71, 72, 84, 45, 76, 73, 
+    71, 72, 84, 69, 196, 82, 73, 71, 72, 84, 45, 72, 65, 78, 68, 69, 196, 82, 
+    73, 71, 72, 84, 45, 72, 65, 78, 196, 82, 73, 71, 72, 84, 45, 70, 65, 67, 
+    73, 78, 199, 82, 73, 71, 72, 84, 128, 82, 73, 69, 85, 76, 45, 89, 69, 83, 
+    73, 69, 85, 78, 71, 128, 82, 73, 69, 85, 76, 45, 89, 69, 79, 82, 73, 78, 
+    72, 73, 69, 85, 72, 45, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 76, 45, 
+    89, 69, 79, 82, 73, 78, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 76, 45, 
+    84, 73, 75, 69, 85, 84, 45, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 76, 
+    45, 84, 73, 75, 69, 85, 84, 128, 82, 73, 69, 85, 76, 45, 84, 72, 73, 69, 
+    85, 84, 72, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 78, 71, 84, 73, 75, 
+    69, 85, 84, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 78, 71, 83, 73, 79, 
+    83, 128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 78, 71, 80, 73, 69, 85, 80, 
+    128, 82, 73, 69, 85, 76, 45, 83, 83, 65, 78, 71, 75, 73, 89, 69, 79, 75, 
+    128, 82, 73, 69, 85, 76, 45, 83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 
+    80, 73, 69, 85, 80, 45, 84, 73, 75, 69, 85, 84, 128, 82, 73, 69, 85, 76, 
+    45, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 
+    80, 73, 69, 85, 80, 45, 80, 72, 73, 69, 85, 80, 72, 128, 82, 73, 69, 85, 
+    76, 45, 80, 73, 69, 85, 80, 45, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 
+    76, 45, 80, 73, 69, 85, 80, 128, 82, 73, 69, 85, 76, 45, 80, 72, 73, 69, 
+    85, 80, 72, 128, 82, 73, 69, 85, 76, 45, 80, 65, 78, 83, 73, 79, 83, 128, 
+    82, 73, 69, 85, 76, 45, 78, 73, 69, 85, 78, 128, 82, 73, 69, 85, 76, 45, 
+    77, 73, 69, 85, 77, 45, 83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 77, 
+    73, 69, 85, 77, 45, 75, 73, 89, 69, 79, 75, 128, 82, 73, 69, 85, 76, 45, 
+    77, 73, 69, 85, 77, 45, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 76, 45, 
+    77, 73, 69, 85, 77, 128, 82, 73, 69, 85, 76, 45, 75, 73, 89, 69, 79, 75, 
+    45, 83, 73, 79, 83, 128, 82, 73, 69, 85, 76, 45, 75, 73, 89, 69, 79, 75, 
+    45, 72, 73, 69, 85, 72, 128, 82, 73, 69, 85, 76, 45, 75, 73, 89, 69, 79, 
+    75, 128, 82, 73, 69, 85, 76, 45, 75, 65, 80, 89, 69, 79, 85, 78, 80, 73, 
+    69, 85, 80, 128, 82, 73, 69, 85, 76, 45, 72, 73, 69, 85, 72, 128, 82, 73, 
+    69, 85, 76, 45, 67, 73, 69, 85, 67, 128, 82, 73, 69, 85, 204, 82, 73, 69, 
+    76, 128, 82, 73, 69, 69, 128, 82, 73, 67, 69, 77, 128, 82, 73, 67, 69, 
+    128, 82, 73, 67, 197, 82, 73, 66, 66, 79, 78, 128, 82, 73, 66, 66, 79, 
+    206, 82, 73, 65, 204, 82, 72, 79, 84, 73, 195, 82, 72, 79, 128, 82, 72, 
+    207, 82, 72, 65, 128, 82, 72, 128, 82, 71, 89, 73, 78, 71, 83, 128, 82, 
+    71, 89, 65, 78, 128, 82, 71, 89, 193, 82, 69, 86, 79, 76, 86, 73, 78, 
+    199, 82, 69, 86, 79, 76, 85, 84, 73, 79, 78, 128, 82, 69, 86, 77, 65, 
+    128, 82, 69, 86, 73, 65, 128, 82, 69, 86, 69, 82, 83, 69, 68, 45, 83, 67, 
+    72, 87, 65, 128, 82, 69, 86, 69, 82, 83, 69, 68, 128, 82, 69, 86, 69, 82, 
+    83, 69, 196, 82, 69, 86, 69, 82, 83, 197, 82, 69, 85, 88, 128, 82, 69, 
+    85, 128, 82, 69, 84, 85, 82, 78, 128, 82, 69, 84, 85, 82, 206, 82, 69, 
+    84, 82, 79, 70, 76, 69, 216, 82, 69, 84, 82, 69, 65, 84, 128, 82, 69, 84, 
+    79, 82, 84, 128, 82, 69, 83, 85, 80, 73, 78, 85, 83, 128, 82, 69, 83, 84, 
+    82, 79, 79, 77, 128, 82, 69, 83, 84, 82, 73, 67, 84, 69, 196, 82, 69, 83, 
+    84, 128, 82, 69, 83, 80, 79, 78, 83, 69, 128, 82, 69, 83, 79, 85, 82, 67, 
+    69, 128, 82, 69, 83, 79, 76, 85, 84, 73, 79, 78, 128, 82, 69, 83, 73, 83, 
+    84, 65, 78, 67, 69, 128, 82, 69, 83, 73, 68, 69, 78, 67, 69, 128, 82, 69, 
+    83, 200, 82, 69, 82, 69, 78, 71, 71, 65, 78, 128, 82, 69, 82, 69, 75, 65, 
+    78, 128, 82, 69, 80, 82, 69, 83, 69, 78, 84, 128, 82, 69, 80, 76, 65, 67, 
+    69, 77, 69, 78, 212, 82, 69, 80, 72, 128, 82, 69, 80, 69, 84, 73, 84, 73, 
+    79, 206, 82, 69, 80, 69, 65, 84, 69, 196, 82, 69, 80, 69, 65, 84, 128, 
+    82, 69, 80, 69, 65, 212, 82, 69, 80, 65, 89, 65, 128, 82, 69, 80, 65, 
+    128, 82, 69, 80, 193, 82, 69, 78, 84, 79, 71, 69, 78, 128, 82, 69, 78, 
+    128, 82, 69, 206, 82, 69, 77, 85, 128, 82, 69, 77, 73, 78, 68, 69, 210, 
+    82, 69, 77, 69, 68, 89, 128, 82, 69, 76, 73, 71, 73, 79, 78, 128, 82, 69, 
+    76, 73, 69, 86, 69, 196, 82, 69, 76, 69, 65, 83, 69, 128, 82, 69, 76, 65, 
+    84, 73, 79, 78, 65, 204, 82, 69, 76, 65, 84, 73, 79, 78, 128, 82, 69, 76, 
+    65, 65, 128, 82, 69, 74, 65, 78, 199, 82, 69, 73, 196, 82, 69, 73, 128, 
+    82, 69, 71, 85, 76, 85, 83, 45, 52, 128, 82, 69, 71, 85, 76, 85, 83, 45, 
+    51, 128, 82, 69, 71, 85, 76, 85, 83, 45, 50, 128, 82, 69, 71, 85, 76, 85, 
+    83, 128, 82, 69, 71, 85, 76, 85, 211, 82, 69, 71, 73, 83, 84, 69, 82, 69, 
+    196, 82, 69, 71, 73, 79, 78, 65, 204, 82, 69, 71, 73, 65, 45, 50, 128, 
+    82, 69, 71, 73, 65, 128, 82, 69, 70, 79, 82, 77, 69, 196, 82, 69, 70, 69, 
+    82, 69, 78, 67, 197, 82, 69, 68, 85, 80, 76, 73, 67, 65, 84, 73, 79, 78, 
+    128, 82, 69, 67, 89, 67, 76, 73, 78, 199, 82, 69, 67, 89, 67, 76, 69, 
+    196, 82, 69, 67, 84, 73, 76, 73, 78, 69, 65, 210, 82, 69, 67, 84, 65, 78, 
+    71, 85, 76, 65, 210, 82, 69, 67, 84, 65, 78, 71, 76, 69, 128, 82, 69, 67, 
+    84, 65, 78, 71, 76, 197, 82, 69, 67, 82, 69, 65, 84, 73, 79, 78, 65, 204, 
+    82, 69, 67, 79, 82, 68, 73, 78, 199, 82, 69, 67, 79, 82, 68, 69, 82, 128, 
+    82, 69, 67, 79, 82, 68, 128, 82, 69, 67, 79, 82, 196, 82, 69, 67, 69, 80, 
+    84, 73, 86, 197, 82, 69, 67, 69, 73, 86, 69, 82, 128, 82, 69, 67, 69, 73, 
+    86, 69, 210, 82, 69, 65, 76, 71, 65, 82, 45, 50, 128, 82, 69, 65, 76, 71, 
+    65, 82, 128, 82, 69, 65, 72, 77, 85, 75, 128, 82, 69, 65, 67, 72, 128, 
+    82, 68, 207, 82, 68, 69, 204, 82, 66, 65, 83, 193, 82, 65, 89, 83, 128, 
+    82, 65, 89, 211, 82, 65, 89, 65, 78, 78, 65, 128, 82, 65, 84, 73, 79, 
+    128, 82, 65, 84, 72, 65, 128, 82, 65, 84, 72, 193, 82, 65, 84, 65, 128, 
+    82, 65, 84, 128, 82, 65, 83, 87, 65, 68, 73, 128, 82, 65, 83, 79, 85, 
+    204, 82, 65, 83, 72, 65, 128, 82, 65, 81, 128, 82, 65, 80, 73, 83, 77, 
+    65, 128, 82, 65, 78, 71, 197, 82, 65, 78, 65, 128, 82, 65, 78, 128, 82, 
+    65, 77, 211, 82, 65, 77, 66, 65, 84, 128, 82, 65, 75, 72, 65, 78, 71, 
+    128, 82, 65, 75, 65, 65, 82, 65, 65, 78, 83, 65, 89, 65, 128, 82, 65, 73, 
+    83, 73, 78, 199, 82, 65, 73, 83, 69, 196, 82, 65, 73, 78, 66, 79, 87, 
+    128, 82, 65, 73, 76, 87, 65, 89, 128, 82, 65, 73, 76, 87, 65, 217, 82, 
+    65, 73, 76, 128, 82, 65, 73, 68, 207, 82, 65, 73, 68, 65, 128, 82, 65, 
+    72, 77, 65, 84, 85, 76, 76, 65, 200, 82, 65, 72, 128, 82, 65, 70, 69, 
+    128, 82, 65, 69, 77, 128, 82, 65, 68, 73, 79, 65, 67, 84, 73, 86, 197, 
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+    128, 80, 65, 88, 128, 80, 65, 87, 78, 128, 80, 65, 215, 80, 65, 86, 73, 
+    89, 65, 78, 73, 128, 80, 65, 85, 128, 80, 65, 213, 80, 65, 84, 84, 69, 
+    82, 78, 128, 80, 65, 84, 72, 65, 77, 65, 83, 65, 84, 128, 80, 65, 84, 
+    200, 80, 65, 84, 65, 75, 128, 80, 65, 84, 65, 72, 128, 80, 65, 84, 128, 
+    80, 65, 83, 85, 81, 128, 80, 65, 83, 83, 80, 79, 82, 212, 80, 65, 83, 83, 
+    73, 86, 69, 45, 80, 85, 76, 76, 45, 85, 80, 45, 79, 85, 84, 80, 85, 212, 
+    80, 65, 83, 83, 73, 86, 69, 45, 80, 85, 76, 76, 45, 68, 79, 87, 78, 45, 
+    79, 85, 84, 80, 85, 212, 80, 65, 83, 83, 69, 78, 71, 69, 210, 80, 65, 83, 
+    72, 84, 65, 128, 80, 65, 83, 72, 65, 69, 128, 80, 65, 83, 69, 81, 128, 
+    80, 65, 83, 65, 78, 71, 65, 206, 80, 65, 82, 85, 77, 128, 80, 65, 82, 84, 
+    217, 80, 65, 82, 84, 78, 69, 82, 83, 72, 73, 208, 80, 65, 82, 84, 73, 65, 
+    76, 76, 89, 45, 82, 69, 67, 89, 67, 76, 69, 196, 80, 65, 82, 84, 73, 65, 
+    204, 80, 65, 82, 84, 72, 73, 65, 206, 80, 65, 82, 212, 80, 65, 82, 75, 
+    128, 80, 65, 82, 73, 67, 72, 79, 78, 128, 80, 65, 82, 69, 83, 84, 73, 71, 
+    77, 69, 78, 79, 206, 80, 65, 82, 69, 82, 69, 78, 128, 80, 65, 82, 69, 78, 
+    84, 72, 69, 83, 73, 83, 128, 80, 65, 82, 69, 78, 84, 72, 69, 83, 73, 211, 
+    80, 65, 82, 69, 78, 84, 72, 69, 83, 69, 211, 80, 65, 82, 65, 80, 72, 82, 
+    65, 83, 197, 80, 65, 82, 65, 76, 76, 69, 76, 79, 71, 82, 65, 77, 128, 80, 
+    65, 82, 65, 76, 76, 69, 76, 128, 80, 65, 82, 65, 76, 76, 69, 204, 80, 65, 
+    82, 65, 75, 76, 73, 84, 73, 75, 73, 128, 80, 65, 82, 65, 75, 76, 73, 84, 
+    73, 75, 201, 80, 65, 82, 65, 75, 65, 76, 69, 83, 77, 193, 80, 65, 82, 65, 
+    71, 82, 65, 80, 72, 79, 83, 128, 80, 65, 82, 65, 71, 82, 65, 80, 72, 128, 
+    80, 65, 82, 65, 71, 82, 65, 80, 200, 80, 65, 82, 65, 128, 80, 65, 82, 
+    128, 80, 65, 80, 89, 82, 85, 83, 128, 80, 65, 80, 69, 82, 67, 76, 73, 80, 
+    83, 128, 80, 65, 80, 69, 82, 67, 76, 73, 80, 128, 80, 65, 80, 69, 210, 
+    80, 65, 80, 128, 80, 65, 208, 80, 65, 207, 80, 65, 78, 89, 85, 75, 85, 
+    128, 80, 65, 78, 89, 73, 75, 85, 128, 80, 65, 78, 89, 69, 67, 69, 75, 
+    128, 80, 65, 78, 89, 65, 78, 71, 71, 65, 128, 80, 65, 78, 89, 65, 75, 82, 
+    65, 128, 80, 65, 78, 84, 73, 128, 80, 65, 78, 83, 73, 79, 83, 45, 80, 73, 
+    69, 85, 80, 128, 80, 65, 78, 83, 73, 79, 83, 45, 75, 65, 80, 89, 69, 79, 
+    85, 78, 80, 73, 69, 85, 80, 128, 80, 65, 78, 79, 78, 71, 79, 78, 65, 78, 
+    128, 80, 65, 78, 79, 76, 79, 78, 71, 128, 80, 65, 78, 71, 87, 73, 83, 65, 
+    68, 128, 80, 65, 78, 71, 82, 65, 78, 71, 75, 69, 80, 128, 80, 65, 78, 71, 
+    79, 76, 65, 84, 128, 80, 65, 78, 71, 76, 79, 78, 71, 128, 80, 65, 78, 71, 
+    76, 65, 89, 65, 82, 128, 80, 65, 78, 71, 75, 79, 78, 128, 80, 65, 78, 71, 
+    75, 65, 84, 128, 80, 65, 78, 71, 72, 85, 76, 85, 128, 80, 65, 78, 71, 
+    128, 80, 65, 78, 69, 85, 76, 69, 85, 78, 71, 128, 80, 65, 78, 68, 193, 
+    80, 65, 78, 65, 69, 76, 65, 69, 78, 71, 128, 80, 65, 78, 128, 80, 65, 77, 
+    85, 78, 71, 75, 65, 72, 128, 80, 65, 77, 85, 68, 80, 79, 68, 128, 80, 65, 
+    77, 83, 72, 65, 69, 128, 80, 65, 77, 80, 72, 89, 76, 73, 65, 206, 80, 65, 
+    77, 73, 78, 71, 75, 65, 76, 128, 80, 65, 77, 69, 80, 69, 84, 128, 80, 65, 
+    77, 69, 78, 69, 78, 71, 128, 80, 65, 77, 65, 68, 65, 128, 80, 65, 77, 65, 
+    65, 69, 72, 128, 80, 65, 76, 85, 84, 65, 128, 80, 65, 76, 79, 67, 72, 75, 
+    65, 128, 80, 65, 76, 77, 89, 82, 69, 78, 197, 80, 65, 76, 205, 80, 65, 
+    76, 76, 65, 87, 65, 128, 80, 65, 76, 76, 65, 83, 128, 80, 65, 76, 69, 84, 
+    84, 69, 128, 80, 65, 76, 65, 85, 78, 199, 80, 65, 76, 65, 84, 65, 76, 73, 
+    90, 69, 196, 80, 65, 76, 65, 84, 65, 76, 73, 90, 65, 84, 73, 79, 78, 128, 
+    80, 65, 76, 65, 84, 65, 204, 80, 65, 75, 80, 65, 203, 80, 65, 73, 89, 65, 
+    78, 78, 79, 73, 128, 80, 65, 73, 82, 84, 72, 82, 65, 128, 80, 65, 73, 82, 
+    69, 196, 80, 65, 73, 78, 84, 66, 82, 85, 83, 72, 128, 80, 65, 73, 128, 
+    80, 65, 72, 76, 65, 86, 201, 80, 65, 72, 128, 80, 65, 71, 69, 83, 128, 
+    80, 65, 71, 69, 82, 128, 80, 65, 71, 197, 80, 65, 68, 77, 193, 80, 65, 
+    68, 68, 73, 78, 199, 80, 65, 68, 193, 80, 65, 68, 128, 80, 65, 67, 75, 
+    73, 78, 71, 128, 80, 65, 67, 75, 65, 71, 69, 128, 80, 65, 65, 84, 85, 
+    128, 80, 65, 65, 83, 69, 78, 84, 79, 128, 80, 65, 65, 82, 65, 69, 128, 
+    80, 65, 65, 77, 128, 80, 65, 65, 73, 128, 80, 65, 65, 45, 80, 73, 76, 76, 
+    65, 128, 80, 65, 65, 128, 80, 50, 128, 80, 48, 49, 49, 128, 80, 48, 49, 
+    48, 128, 80, 48, 48, 57, 128, 80, 48, 48, 56, 128, 80, 48, 48, 55, 128, 
+    80, 48, 48, 54, 128, 80, 48, 48, 53, 128, 80, 48, 48, 52, 128, 80, 48, 
+    48, 51, 65, 128, 80, 48, 48, 51, 128, 80, 48, 48, 50, 128, 80, 48, 48, 
+    49, 65, 128, 80, 48, 48, 49, 128, 79, 89, 82, 65, 78, 73, 83, 77, 193, 
+    79, 89, 65, 78, 78, 65, 128, 79, 88, 73, 65, 128, 79, 88, 73, 193, 79, 
+    88, 69, 73, 65, 201, 79, 88, 69, 73, 193, 79, 86, 69, 82, 82, 73, 68, 69, 
+    128, 79, 86, 69, 82, 76, 79, 78, 199, 79, 86, 69, 82, 76, 73, 78, 69, 
     128, 79, 86, 69, 82, 76, 65, 89, 128, 79, 86, 69, 82, 76, 65, 80, 80, 73, 
-    78, 199, 79, 86, 69, 82, 76, 65, 73, 68, 128, 79, 86, 69, 82, 66, 65, 82, 
-    128, 79, 86, 65, 204, 79, 86, 128, 79, 85, 84, 76, 73, 78, 69, 196, 79, 
-    85, 84, 76, 73, 78, 69, 128, 79, 85, 84, 69, 210, 79, 85, 84, 66, 79, 
-    216, 79, 85, 78, 75, 73, 193, 79, 85, 78, 67, 69, 128, 79, 85, 78, 67, 
-    197, 79, 84, 85, 128, 79, 84, 84, 65, 86, 193, 79, 84, 84, 128, 79, 84, 
-    72, 65, 76, 65, 206, 79, 84, 72, 65, 76, 128, 79, 83, 77, 65, 78, 89, 
-    193, 79, 83, 67, 128, 79, 82, 84, 72, 79, 71, 79, 78, 65, 204, 79, 82, 
-    84, 72, 79, 68, 79, 216, 79, 82, 78, 65, 84, 197, 79, 82, 78, 65, 77, 69, 
-    78, 84, 128, 79, 82, 78, 65, 77, 69, 78, 212, 79, 82, 75, 72, 79, 206, 
-    79, 82, 73, 71, 73, 78, 65, 204, 79, 82, 73, 71, 73, 78, 128, 79, 82, 69, 
-    45, 50, 128, 79, 82, 68, 73, 78, 65, 204, 79, 82, 68, 69, 210, 79, 82, 
-    67, 72, 73, 68, 128, 79, 82, 65, 78, 71, 197, 79, 80, 84, 73, 79, 206, 
-    79, 80, 84, 73, 67, 65, 204, 79, 80, 80, 82, 69, 83, 83, 73, 79, 78, 128, 
-    79, 80, 80, 79, 83, 73, 84, 73, 79, 78, 128, 79, 80, 80, 79, 83, 73, 78, 
-    199, 79, 80, 80, 79, 83, 69, 128, 79, 80, 72, 73, 85, 67, 72, 85, 83, 
-    128, 79, 80, 69, 82, 65, 84, 79, 82, 128, 79, 80, 69, 82, 65, 84, 79, 
-    210, 79, 80, 69, 82, 65, 84, 73, 78, 199, 79, 80, 69, 78, 73, 78, 199, 
-    79, 80, 69, 78, 45, 80, 128, 79, 80, 69, 78, 45, 79, 85, 84, 76, 73, 78, 
-    69, 196, 79, 80, 69, 78, 45, 72, 69, 65, 68, 69, 196, 79, 80, 69, 78, 45, 
-    67, 73, 82, 67, 85, 73, 84, 45, 79, 85, 84, 80, 85, 212, 79, 79, 90, 69, 
-    128, 79, 79, 89, 65, 78, 78, 65, 128, 79, 79, 85, 128, 79, 79, 77, 85, 
-    128, 79, 79, 69, 128, 79, 79, 66, 79, 79, 70, 73, 76, 73, 128, 79, 78, 
-    85, 128, 79, 78, 83, 85, 128, 79, 78, 78, 128, 79, 78, 75, 65, 82, 128, 
-    79, 78, 69, 83, 69, 76, 70, 128, 79, 78, 69, 45, 87, 65, 217, 79, 78, 69, 
-    45, 84, 72, 73, 82, 84, 89, 128, 79, 78, 69, 45, 76, 73, 78, 197, 79, 78, 
-    67, 79, 77, 73, 78, 199, 79, 78, 65, 80, 128, 79, 77, 73, 83, 83, 73, 79, 
-    206, 79, 77, 73, 67, 82, 79, 78, 128, 79, 77, 73, 67, 82, 79, 206, 79, 
-    77, 69, 71, 65, 128, 79, 77, 69, 71, 193, 79, 77, 65, 76, 79, 78, 128, 
-    79, 76, 73, 86, 69, 128, 79, 76, 73, 71, 79, 206, 79, 76, 68, 128, 79, 
-    75, 84, 207, 79, 75, 65, 82, 65, 128, 79, 75, 65, 82, 193, 79, 74, 73, 
-    66, 87, 65, 217, 79, 74, 69, 79, 78, 128, 79, 73, 76, 128, 79, 72, 77, 
-    128, 79, 72, 205, 79, 71, 82, 69, 128, 79, 71, 79, 78, 69, 75, 128, 79, 
-    71, 79, 78, 69, 203, 79, 71, 72, 65, 205, 79, 70, 70, 73, 67, 69, 82, 
-    128, 79, 70, 70, 73, 67, 69, 128, 79, 70, 70, 73, 67, 197, 79, 70, 70, 
-    128, 79, 69, 89, 128, 79, 69, 75, 128, 79, 68, 69, 78, 128, 79, 68, 196, 
-    79, 67, 84, 79, 80, 85, 83, 128, 79, 67, 84, 79, 66, 69, 82, 128, 79, 67, 
-    84, 69, 212, 79, 67, 210, 79, 67, 76, 79, 67, 75, 128, 79, 67, 67, 76, 
-    85, 83, 73, 79, 78, 128, 79, 66, 83, 84, 82, 85, 67, 84, 73, 79, 78, 128, 
-    79, 66, 79, 76, 211, 79, 66, 79, 204, 79, 66, 79, 70, 73, 76, 73, 128, 
-    79, 66, 76, 73, 81, 85, 197, 79, 66, 74, 69, 67, 212, 79, 66, 69, 76, 85, 
-    83, 128, 79, 66, 69, 76, 79, 83, 128, 79, 66, 128, 79, 65, 89, 128, 79, 
-    65, 75, 128, 79, 65, 66, 79, 65, 70, 73, 76, 73, 128, 79, 193, 79, 48, 
-    53, 49, 128, 79, 48, 53, 48, 66, 128, 79, 48, 53, 48, 65, 128, 79, 48, 
-    53, 48, 128, 79, 48, 52, 57, 128, 79, 48, 52, 56, 128, 79, 48, 52, 55, 
-    128, 79, 48, 52, 54, 128, 79, 48, 52, 53, 128, 79, 48, 52, 52, 128, 79, 
-    48, 52, 51, 128, 79, 48, 52, 50, 128, 79, 48, 52, 49, 128, 79, 48, 52, 
-    48, 128, 79, 48, 51, 57, 128, 79, 48, 51, 56, 128, 79, 48, 51, 55, 128, 
-    79, 48, 51, 54, 68, 128, 79, 48, 51, 54, 67, 128, 79, 48, 51, 54, 66, 
-    128, 79, 48, 51, 54, 65, 128, 79, 48, 51, 54, 128, 79, 48, 51, 53, 128, 
-    79, 48, 51, 52, 128, 79, 48, 51, 51, 65, 128, 79, 48, 51, 51, 128, 79, 
-    48, 51, 50, 128, 79, 48, 51, 49, 128, 79, 48, 51, 48, 65, 128, 79, 48, 
-    51, 48, 128, 79, 48, 50, 57, 65, 128, 79, 48, 50, 57, 128, 79, 48, 50, 
-    56, 128, 79, 48, 50, 55, 128, 79, 48, 50, 54, 128, 79, 48, 50, 53, 65, 
-    128, 79, 48, 50, 53, 128, 79, 48, 50, 52, 65, 128, 79, 48, 50, 52, 128, 
-    79, 48, 50, 51, 128, 79, 48, 50, 50, 128, 79, 48, 50, 49, 128, 79, 48, 
-    50, 48, 65, 128, 79, 48, 50, 48, 128, 79, 48, 49, 57, 65, 128, 79, 48, 
-    49, 57, 128, 79, 48, 49, 56, 128, 79, 48, 49, 55, 128, 79, 48, 49, 54, 
-    128, 79, 48, 49, 53, 128, 79, 48, 49, 52, 128, 79, 48, 49, 51, 128, 79, 
-    48, 49, 50, 128, 79, 48, 49, 49, 128, 79, 48, 49, 48, 67, 128, 79, 48, 
-    49, 48, 66, 128, 79, 48, 49, 48, 65, 128, 79, 48, 49, 48, 128, 79, 48, 
-    48, 57, 128, 79, 48, 48, 56, 128, 79, 48, 48, 55, 128, 79, 48, 48, 54, 
-    70, 128, 79, 48, 48, 54, 69, 128, 79, 48, 48, 54, 68, 128, 79, 48, 48, 
-    54, 67, 128, 79, 48, 48, 54, 66, 128, 79, 48, 48, 54, 65, 128, 79, 48, 
-    48, 54, 128, 79, 48, 48, 53, 65, 128, 79, 48, 48, 53, 128, 79, 48, 48, 
-    52, 128, 79, 48, 48, 51, 128, 79, 48, 48, 50, 128, 79, 48, 48, 49, 65, 
-    128, 79, 48, 48, 49, 128, 79, 45, 89, 69, 128, 79, 45, 79, 45, 73, 128, 
-    79, 45, 69, 128, 78, 90, 89, 88, 128, 78, 90, 89, 84, 128, 78, 90, 89, 
-    82, 88, 128, 78, 90, 89, 82, 128, 78, 90, 89, 80, 128, 78, 90, 89, 128, 
-    78, 90, 85, 88, 128, 78, 90, 85, 82, 88, 128, 78, 90, 85, 82, 128, 78, 
-    90, 85, 81, 128, 78, 90, 85, 80, 128, 78, 90, 85, 79, 88, 128, 78, 90, 
-    85, 79, 128, 78, 90, 85, 206, 78, 90, 85, 128, 78, 90, 79, 88, 128, 78, 
-    90, 79, 80, 128, 78, 90, 73, 88, 128, 78, 90, 73, 84, 128, 78, 90, 73, 
-    80, 128, 78, 90, 73, 69, 88, 128, 78, 90, 73, 69, 80, 128, 78, 90, 73, 
-    69, 128, 78, 90, 73, 128, 78, 90, 69, 88, 128, 78, 90, 69, 85, 77, 128, 
-    78, 90, 69, 128, 78, 90, 65, 88, 128, 78, 90, 65, 84, 128, 78, 90, 65, 
-    81, 128, 78, 90, 65, 80, 128, 78, 90, 65, 128, 78, 90, 193, 78, 89, 87, 
-    65, 128, 78, 89, 85, 88, 128, 78, 89, 85, 85, 128, 78, 89, 85, 84, 128, 
-    78, 89, 85, 80, 128, 78, 89, 85, 79, 88, 128, 78, 89, 85, 79, 80, 128, 
-    78, 89, 85, 79, 128, 78, 89, 85, 69, 128, 78, 89, 85, 128, 78, 89, 79, 
-    88, 128, 78, 89, 79, 84, 128, 78, 89, 79, 80, 128, 78, 89, 79, 79, 128, 
-    78, 89, 79, 65, 128, 78, 89, 79, 128, 78, 89, 74, 65, 128, 78, 89, 73, 
-    88, 128, 78, 89, 73, 84, 128, 78, 89, 73, 212, 78, 89, 73, 211, 78, 89, 
-    73, 210, 78, 89, 73, 80, 128, 78, 89, 73, 78, 45, 68, 79, 128, 78, 89, 
-    73, 73, 128, 78, 89, 73, 69, 88, 128, 78, 89, 73, 69, 84, 128, 78, 89, 
-    73, 69, 80, 128, 78, 89, 73, 69, 128, 78, 89, 73, 128, 78, 89, 201, 78, 
-    89, 72, 65, 128, 78, 89, 69, 84, 128, 78, 89, 69, 212, 78, 89, 69, 72, 
-    128, 78, 89, 69, 200, 78, 89, 69, 69, 128, 78, 89, 69, 128, 78, 89, 196, 
-    78, 89, 67, 65, 128, 78, 89, 65, 85, 128, 78, 89, 65, 73, 128, 78, 89, 
-    65, 72, 128, 78, 89, 65, 69, 77, 65, 69, 128, 78, 89, 65, 65, 128, 78, 
-    87, 79, 79, 128, 78, 87, 79, 128, 78, 87, 73, 73, 128, 78, 87, 73, 128, 
-    78, 87, 69, 128, 78, 87, 65, 65, 128, 78, 87, 65, 128, 78, 87, 128, 78, 
-    86, 128, 78, 85, 88, 128, 78, 85, 85, 78, 128, 78, 85, 85, 128, 78, 85, 
-    84, 73, 76, 76, 85, 128, 78, 85, 84, 128, 78, 85, 212, 78, 85, 82, 88, 
-    128, 78, 85, 82, 128, 78, 85, 80, 128, 78, 85, 79, 88, 128, 78, 85, 79, 
-    80, 128, 78, 85, 79, 128, 78, 85, 78, 85, 90, 128, 78, 85, 78, 85, 218, 
-    78, 85, 78, 71, 128, 78, 85, 78, 65, 86, 85, 212, 78, 85, 78, 65, 86, 73, 
-    203, 78, 85, 78, 128, 78, 85, 206, 78, 85, 77, 69, 82, 207, 78, 85, 77, 
-    69, 82, 65, 84, 79, 210, 78, 85, 77, 69, 82, 65, 204, 78, 85, 77, 66, 69, 
-    82, 83, 128, 78, 85, 77, 66, 69, 82, 128, 78, 85, 77, 128, 78, 85, 76, 
-    76, 128, 78, 85, 76, 204, 78, 85, 76, 128, 78, 85, 75, 84, 65, 128, 78, 
-    85, 69, 78, 71, 128, 78, 85, 69, 128, 78, 85, 66, 73, 65, 206, 78, 85, 
-    65, 69, 128, 78, 85, 49, 49, 128, 78, 85, 49, 177, 78, 85, 48, 50, 50, 
-    65, 128, 78, 85, 48, 50, 50, 128, 78, 85, 48, 50, 49, 128, 78, 85, 48, 
-    50, 48, 128, 78, 85, 48, 49, 57, 128, 78, 85, 48, 49, 56, 65, 128, 78, 
-    85, 48, 49, 56, 128, 78, 85, 48, 49, 55, 128, 78, 85, 48, 49, 54, 128, 
-    78, 85, 48, 49, 53, 128, 78, 85, 48, 49, 52, 128, 78, 85, 48, 49, 51, 
-    128, 78, 85, 48, 49, 50, 128, 78, 85, 48, 49, 49, 65, 128, 78, 85, 48, 
-    49, 49, 128, 78, 85, 48, 49, 48, 65, 128, 78, 85, 48, 49, 48, 128, 78, 
-    85, 48, 48, 57, 128, 78, 85, 48, 48, 56, 128, 78, 85, 48, 48, 55, 128, 
-    78, 85, 48, 48, 54, 128, 78, 85, 48, 48, 53, 128, 78, 85, 48, 48, 52, 
-    128, 78, 85, 48, 48, 51, 128, 78, 85, 48, 48, 50, 128, 78, 85, 48, 48, 
-    49, 128, 78, 84, 85, 85, 128, 78, 84, 85, 77, 128, 78, 84, 213, 78, 84, 
-    79, 81, 80, 69, 78, 128, 78, 84, 73, 69, 197, 78, 84, 69, 85, 78, 71, 66, 
-    65, 128, 78, 84, 69, 85, 77, 128, 78, 84, 69, 78, 128, 78, 84, 69, 69, 
-    128, 78, 84, 65, 80, 128, 78, 84, 65, 208, 78, 84, 65, 65, 128, 78, 83, 
-    85, 79, 212, 78, 83, 85, 78, 128, 78, 83, 85, 77, 128, 78, 83, 79, 77, 
-    128, 78, 83, 73, 69, 69, 84, 128, 78, 83, 73, 69, 69, 80, 128, 78, 83, 
-    73, 69, 69, 128, 78, 83, 72, 85, 84, 128, 78, 83, 72, 85, 212, 78, 83, 
-    72, 85, 79, 80, 128, 78, 83, 72, 85, 69, 128, 78, 83, 72, 73, 69, 69, 
-    128, 78, 83, 72, 69, 69, 128, 78, 83, 72, 65, 81, 128, 78, 83, 72, 65, 
-    128, 78, 83, 69, 85, 65, 69, 78, 128, 78, 83, 69, 78, 128, 78, 83, 65, 
-    128, 78, 82, 89, 88, 128, 78, 82, 89, 84, 128, 78, 82, 89, 82, 88, 128, 
-    78, 82, 89, 82, 128, 78, 82, 89, 80, 128, 78, 82, 89, 128, 78, 82, 85, 
-    88, 128, 78, 82, 85, 84, 128, 78, 82, 85, 82, 88, 128, 78, 82, 85, 82, 
-    128, 78, 82, 85, 80, 128, 78, 82, 85, 128, 78, 82, 79, 88, 128, 78, 82, 
-    79, 80, 128, 78, 82, 79, 128, 78, 82, 69, 88, 128, 78, 82, 69, 84, 128, 
-    78, 82, 69, 80, 128, 78, 82, 69, 128, 78, 82, 65, 88, 128, 78, 82, 65, 
-    84, 128, 78, 82, 65, 80, 128, 78, 82, 65, 128, 78, 79, 89, 128, 78, 79, 
-    88, 128, 78, 79, 86, 69, 77, 66, 69, 82, 128, 78, 79, 84, 84, 79, 128, 
-    78, 79, 84, 69, 83, 128, 78, 79, 84, 69, 72, 69, 65, 68, 128, 78, 79, 84, 
-    69, 72, 69, 65, 196, 78, 79, 84, 69, 66, 79, 79, 75, 128, 78, 79, 84, 69, 
-    66, 79, 79, 203, 78, 79, 84, 69, 128, 78, 79, 84, 197, 78, 79, 84, 67, 
-    72, 69, 196, 78, 79, 84, 67, 72, 128, 78, 79, 84, 128, 78, 79, 212, 78, 
-    79, 83, 69, 128, 78, 79, 82, 84, 72, 87, 69, 83, 212, 78, 79, 82, 84, 72, 
-    69, 82, 206, 78, 79, 82, 84, 200, 78, 79, 82, 77, 65, 204, 78, 79, 210, 
+    78, 199, 79, 86, 69, 82, 76, 65, 80, 128, 79, 86, 69, 82, 76, 65, 73, 68, 
+    128, 79, 86, 69, 82, 66, 65, 82, 128, 79, 86, 65, 204, 79, 85, 84, 76, 
+    73, 78, 69, 196, 79, 85, 84, 76, 73, 78, 69, 128, 79, 85, 84, 69, 210, 
+    79, 85, 84, 66, 79, 216, 79, 85, 78, 75, 73, 193, 79, 85, 78, 67, 69, 
+    128, 79, 85, 78, 67, 197, 79, 84, 85, 128, 79, 84, 84, 65, 86, 193, 79, 
+    84, 84, 128, 79, 84, 72, 65, 76, 65, 206, 79, 84, 72, 65, 76, 128, 79, 
+    83, 77, 65, 78, 89, 193, 79, 83, 67, 128, 79, 82, 84, 72, 79, 71, 79, 78, 
+    65, 204, 79, 82, 84, 72, 79, 68, 79, 216, 79, 82, 78, 65, 84, 197, 79, 
+    82, 78, 65, 77, 69, 78, 84, 128, 79, 82, 78, 65, 77, 69, 78, 212, 79, 82, 
+    75, 72, 79, 206, 79, 82, 73, 71, 73, 78, 65, 204, 79, 82, 73, 71, 73, 78, 
+    128, 79, 82, 69, 45, 50, 128, 79, 82, 68, 73, 78, 65, 204, 79, 82, 68, 
+    69, 210, 79, 82, 67, 72, 73, 68, 128, 79, 82, 65, 78, 71, 197, 79, 80, 
+    84, 73, 79, 206, 79, 80, 84, 73, 67, 65, 204, 79, 80, 80, 82, 69, 83, 83, 
+    73, 79, 78, 128, 79, 80, 80, 79, 83, 73, 84, 73, 79, 78, 128, 79, 80, 80, 
+    79, 83, 73, 78, 199, 79, 80, 80, 79, 83, 69, 128, 79, 80, 72, 73, 85, 67, 
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+    84, 79, 210, 79, 80, 69, 82, 65, 84, 73, 78, 199, 79, 80, 69, 78, 73, 78, 
+    199, 79, 80, 69, 78, 45, 80, 128, 79, 80, 69, 78, 45, 79, 85, 84, 76, 73, 
+    78, 69, 196, 79, 80, 69, 78, 45, 79, 128, 79, 80, 69, 78, 45, 207, 79, 
+    80, 69, 78, 45, 72, 69, 65, 68, 69, 196, 79, 80, 69, 78, 45, 67, 73, 82, 
+    67, 85, 73, 84, 45, 79, 85, 84, 80, 85, 212, 79, 80, 69, 206, 79, 79, 90, 
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+    65, 76, 79, 78, 128, 79, 76, 73, 86, 69, 128, 79, 76, 73, 71, 79, 206, 
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+    82, 193, 79, 74, 73, 66, 87, 65, 217, 79, 74, 69, 79, 78, 128, 79, 73, 
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+    79, 65, 89, 128, 79, 65, 75, 128, 79, 65, 66, 79, 65, 70, 73, 76, 73, 
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+    49, 128, 79, 48, 52, 48, 128, 79, 48, 51, 57, 128, 79, 48, 51, 56, 128, 
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+    79, 48, 51, 54, 66, 128, 79, 48, 51, 54, 65, 128, 79, 48, 51, 54, 128, 
+    79, 48, 51, 53, 128, 79, 48, 51, 52, 128, 79, 48, 51, 51, 65, 128, 79, 
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+    57, 128, 79, 48, 50, 56, 128, 79, 48, 50, 55, 128, 79, 48, 50, 54, 128, 
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+    79, 48, 50, 52, 128, 79, 48, 50, 51, 128, 79, 48, 50, 50, 128, 79, 48, 
+    50, 49, 128, 79, 48, 50, 48, 65, 128, 79, 48, 50, 48, 128, 79, 48, 49, 
+    57, 65, 128, 79, 48, 49, 57, 128, 79, 48, 49, 56, 128, 79, 48, 49, 55, 
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+    48, 49, 51, 128, 79, 48, 49, 50, 128, 79, 48, 49, 49, 128, 79, 48, 49, 
+    48, 67, 128, 79, 48, 49, 48, 66, 128, 79, 48, 49, 48, 65, 128, 79, 48, 
+    49, 48, 128, 79, 48, 48, 57, 128, 79, 48, 48, 56, 128, 79, 48, 48, 55, 
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+    68, 128, 79, 48, 48, 54, 67, 128, 79, 48, 48, 54, 66, 128, 79, 48, 48, 
+    54, 65, 128, 79, 48, 48, 54, 128, 79, 48, 48, 53, 65, 128, 79, 48, 48, 
+    53, 128, 79, 48, 48, 52, 128, 79, 48, 48, 51, 128, 79, 48, 48, 50, 128, 
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+    45, 79, 45, 73, 128, 79, 45, 69, 128, 78, 90, 89, 88, 128, 78, 90, 89, 
+    84, 128, 78, 90, 89, 82, 88, 128, 78, 90, 89, 82, 128, 78, 90, 89, 80, 
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+    90, 69, 85, 77, 128, 78, 90, 69, 128, 78, 90, 65, 88, 128, 78, 90, 65, 
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+    90, 193, 78, 89, 87, 65, 128, 78, 89, 85, 88, 128, 78, 89, 85, 85, 128, 
+    78, 89, 85, 84, 128, 78, 89, 85, 80, 128, 78, 89, 85, 79, 88, 128, 78, 
+    89, 85, 79, 80, 128, 78, 89, 85, 79, 128, 78, 89, 85, 78, 128, 78, 89, 
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+    78, 89, 73, 84, 128, 78, 89, 73, 212, 78, 89, 73, 211, 78, 89, 73, 210, 
+    78, 89, 73, 80, 128, 78, 89, 73, 78, 45, 68, 79, 128, 78, 89, 73, 78, 
+    128, 78, 89, 73, 73, 128, 78, 89, 73, 69, 88, 128, 78, 89, 73, 69, 84, 
+    128, 78, 89, 73, 69, 80, 128, 78, 89, 73, 69, 128, 78, 89, 73, 128, 78, 
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+    89, 69, 78, 128, 78, 89, 69, 72, 128, 78, 89, 69, 200, 78, 89, 69, 69, 
+    128, 78, 89, 69, 128, 78, 89, 196, 78, 89, 67, 65, 128, 78, 89, 65, 85, 
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+    52, 128, 78, 85, 48, 49, 51, 128, 78, 85, 48, 49, 50, 128, 78, 85, 48, 
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     78, 79, 80, 128, 78, 79, 79, 78, 85, 128, 78, 79, 79, 128, 78, 79, 78, 
     70, 79, 82, 75, 73, 78, 71, 128, 78, 79, 78, 45, 80, 79, 84, 65, 66, 76, 
     197, 78, 79, 78, 45, 74, 79, 73, 78, 69, 82, 128, 78, 79, 78, 45, 66, 82, 
-    69, 65, 75, 73, 78, 199, 78, 79, 77, 73, 78, 65, 204, 78, 79, 75, 72, 85, 
-    75, 128, 78, 79, 68, 69, 128, 78, 79, 65, 128, 78, 79, 45, 66, 82, 69, 
-    65, 203, 78, 78, 85, 85, 128, 78, 78, 85, 128, 78, 78, 79, 79, 128, 78, 
-    78, 79, 128, 78, 78, 78, 85, 85, 128, 78, 78, 78, 85, 128, 78, 78, 78, 
-    79, 79, 128, 78, 78, 78, 79, 128, 78, 78, 78, 73, 73, 128, 78, 78, 78, 
-    73, 128, 78, 78, 78, 69, 69, 128, 78, 78, 78, 69, 128, 78, 78, 78, 65, 
-    85, 128, 78, 78, 78, 65, 73, 128, 78, 78, 78, 65, 65, 128, 78, 78, 78, 
-    65, 128, 78, 78, 78, 128, 78, 78, 72, 65, 128, 78, 78, 71, 79, 79, 128, 
-    78, 78, 71, 79, 128, 78, 78, 71, 73, 73, 128, 78, 78, 71, 73, 128, 78, 
-    78, 71, 65, 65, 128, 78, 78, 71, 65, 128, 78, 78, 71, 128, 78, 78, 66, 
-    83, 80, 128, 78, 77, 128, 78, 76, 48, 50, 48, 128, 78, 76, 48, 49, 57, 
-    128, 78, 76, 48, 49, 56, 128, 78, 76, 48, 49, 55, 65, 128, 78, 76, 48, 
-    49, 55, 128, 78, 76, 48, 49, 54, 128, 78, 76, 48, 49, 53, 128, 78, 76, 
-    48, 49, 52, 128, 78, 76, 48, 49, 51, 128, 78, 76, 48, 49, 50, 128, 78, 
-    76, 48, 49, 49, 128, 78, 76, 48, 49, 48, 128, 78, 76, 48, 48, 57, 128, 
-    78, 76, 48, 48, 56, 128, 78, 76, 48, 48, 55, 128, 78, 76, 48, 48, 54, 
-    128, 78, 76, 48, 48, 53, 65, 128, 78, 76, 48, 48, 53, 128, 78, 76, 48, 
-    48, 52, 128, 78, 76, 48, 48, 51, 128, 78, 76, 48, 48, 50, 128, 78, 76, 
-    48, 48, 49, 128, 78, 76, 128, 78, 75, 79, 77, 128, 78, 75, 207, 78, 75, 
-    73, 78, 68, 73, 128, 78, 75, 65, 65, 82, 65, 69, 128, 78, 74, 89, 88, 
-    128, 78, 74, 89, 84, 128, 78, 74, 89, 82, 88, 128, 78, 74, 89, 82, 128, 
-    78, 74, 89, 80, 128, 78, 74, 89, 128, 78, 74, 85, 88, 128, 78, 74, 85, 
-    82, 88, 128, 78, 74, 85, 82, 128, 78, 74, 85, 81, 65, 128, 78, 74, 85, 
-    80, 128, 78, 74, 85, 79, 88, 128, 78, 74, 85, 79, 128, 78, 74, 85, 69, 
-    81, 128, 78, 74, 85, 65, 69, 128, 78, 74, 85, 128, 78, 74, 79, 88, 128, 
-    78, 74, 79, 84, 128, 78, 74, 79, 80, 128, 78, 74, 79, 79, 128, 78, 74, 
-    79, 128, 78, 74, 73, 88, 128, 78, 74, 73, 84, 128, 78, 74, 73, 80, 128, 
-    78, 74, 73, 69, 88, 128, 78, 74, 73, 69, 84, 128, 78, 74, 73, 69, 80, 
-    128, 78, 74, 73, 69, 69, 128, 78, 74, 73, 69, 128, 78, 74, 73, 128, 78, 
-    74, 201, 78, 74, 69, 85, 88, 128, 78, 74, 69, 85, 84, 128, 78, 74, 69, 
-    85, 65, 69, 78, 65, 128, 78, 74, 69, 85, 65, 69, 77, 128, 78, 74, 69, 69, 
-    69, 69, 128, 78, 74, 69, 69, 128, 78, 74, 69, 197, 78, 74, 69, 128, 78, 
-    74, 65, 81, 128, 78, 74, 65, 80, 128, 78, 74, 65, 69, 77, 76, 73, 128, 
-    78, 74, 65, 69, 77, 128, 78, 74, 65, 65, 128, 78, 73, 88, 128, 78, 73, 
-    84, 82, 69, 128, 78, 73, 83, 65, 71, 128, 78, 73, 82, 85, 71, 85, 128, 
-    78, 73, 80, 128, 78, 73, 78, 84, 72, 128, 78, 73, 78, 69, 84, 89, 128, 
-    78, 73, 78, 69, 84, 217, 78, 73, 78, 69, 84, 69, 69, 78, 128, 78, 73, 78, 
-    69, 84, 69, 69, 206, 78, 73, 78, 69, 45, 84, 72, 73, 82, 84, 89, 128, 78, 
-    73, 78, 197, 78, 73, 78, 68, 65, 50, 128, 78, 73, 78, 68, 65, 178, 78, 
-    73, 77, 128, 78, 73, 205, 78, 73, 75, 72, 65, 72, 73, 84, 128, 78, 73, 
-    75, 65, 72, 73, 84, 128, 78, 73, 75, 65, 128, 78, 73, 72, 83, 72, 86, 65, 
-    83, 65, 128, 78, 73, 71, 73, 68, 65, 77, 73, 78, 128, 78, 73, 71, 73, 68, 
-    65, 69, 83, 72, 128, 78, 73, 71, 72, 84, 128, 78, 73, 71, 72, 212, 78, 
-    73, 71, 71, 65, 72, 73, 84, 65, 128, 78, 73, 69, 88, 128, 78, 73, 69, 85, 
-    78, 45, 84, 73, 75, 69, 85, 84, 128, 78, 73, 69, 85, 78, 45, 84, 72, 73, 
-    69, 85, 84, 72, 128, 78, 73, 69, 85, 78, 45, 83, 73, 79, 83, 128, 78, 73, 
-    69, 85, 78, 45, 82, 73, 69, 85, 76, 128, 78, 73, 69, 85, 78, 45, 80, 73, 
-    69, 85, 80, 128, 78, 73, 69, 85, 78, 45, 80, 65, 78, 83, 73, 79, 83, 128, 
-    78, 73, 69, 85, 78, 45, 75, 73, 89, 69, 79, 75, 128, 78, 73, 69, 85, 78, 
-    45, 72, 73, 69, 85, 72, 128, 78, 73, 69, 85, 78, 45, 67, 73, 69, 85, 67, 
-    128, 78, 73, 69, 85, 78, 45, 67, 72, 73, 69, 85, 67, 72, 128, 78, 73, 69, 
-    85, 206, 78, 73, 69, 80, 128, 78, 73, 69, 128, 78, 73, 66, 128, 78, 73, 
-    65, 128, 78, 73, 50, 128, 78, 72, 85, 69, 128, 78, 72, 74, 65, 128, 78, 
-    72, 128, 78, 71, 89, 69, 128, 78, 71, 86, 69, 128, 78, 71, 85, 85, 128, 
-    78, 71, 85, 79, 88, 128, 78, 71, 85, 79, 84, 128, 78, 71, 85, 79, 128, 
-    78, 71, 85, 65, 69, 84, 128, 78, 71, 85, 65, 69, 128, 78, 71, 79, 88, 
-    128, 78, 71, 79, 85, 128, 78, 71, 79, 213, 78, 71, 79, 84, 128, 78, 71, 
-    79, 81, 128, 78, 71, 79, 80, 128, 78, 71, 79, 78, 128, 78, 71, 79, 77, 
-    128, 78, 71, 79, 69, 72, 128, 78, 71, 79, 69, 200, 78, 71, 207, 78, 71, 
-    75, 89, 69, 69, 128, 78, 71, 75, 87, 65, 69, 78, 128, 78, 71, 75, 85, 80, 
-    128, 78, 71, 75, 85, 78, 128, 78, 71, 75, 85, 77, 128, 78, 71, 75, 85, 
-    69, 78, 90, 69, 85, 77, 128, 78, 71, 75, 85, 197, 78, 71, 75, 73, 78, 68, 
-    201, 78, 71, 75, 73, 69, 69, 128, 78, 71, 75, 69, 85, 88, 128, 78, 71, 
-    75, 69, 85, 82, 73, 128, 78, 71, 75, 69, 85, 65, 69, 81, 128, 78, 71, 75, 
-    69, 85, 65, 69, 77, 128, 78, 71, 75, 65, 81, 128, 78, 71, 75, 65, 80, 
-    128, 78, 71, 75, 65, 65, 77, 73, 128, 78, 71, 75, 65, 128, 78, 71, 73, 
-    69, 88, 128, 78, 71, 73, 69, 80, 128, 78, 71, 73, 69, 128, 78, 71, 72, 
-    65, 128, 78, 71, 71, 87, 65, 69, 78, 128, 78, 71, 71, 85, 82, 65, 69, 
-    128, 78, 71, 71, 85, 80, 128, 78, 71, 71, 85, 79, 81, 128, 78, 71, 71, 
-    85, 79, 209, 78, 71, 71, 85, 79, 78, 128, 78, 71, 71, 85, 79, 77, 128, 
-    78, 71, 71, 85, 77, 128, 78, 71, 71, 85, 69, 69, 84, 128, 78, 71, 71, 85, 
-    65, 69, 83, 72, 65, 197, 78, 71, 71, 85, 65, 69, 206, 78, 71, 71, 85, 
-    128, 78, 71, 71, 79, 79, 128, 78, 71, 71, 79, 128, 78, 71, 71, 73, 128, 
-    78, 71, 71, 69, 85, 88, 128, 78, 71, 71, 69, 85, 65, 69, 84, 128, 78, 71, 
-    71, 69, 85, 65, 69, 128, 78, 71, 71, 69, 213, 78, 71, 71, 69, 78, 128, 
-    78, 71, 71, 69, 69, 84, 128, 78, 71, 71, 69, 69, 69, 69, 128, 78, 71, 71, 
-    69, 69, 128, 78, 71, 71, 69, 128, 78, 71, 71, 65, 80, 128, 78, 71, 71, 
-    65, 65, 77, 65, 69, 128, 78, 71, 71, 65, 65, 77, 128, 78, 71, 71, 128, 
-    78, 71, 69, 88, 128, 78, 71, 69, 85, 82, 69, 85, 84, 128, 78, 71, 69, 80, 
-    128, 78, 71, 69, 78, 128, 78, 71, 69, 69, 128, 78, 71, 69, 65, 68, 65, 
-    76, 128, 78, 71, 65, 88, 128, 78, 71, 65, 85, 128, 78, 71, 65, 84, 128, 
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-    72, 128, 78, 71, 65, 65, 73, 128, 78, 71, 193, 78, 70, 128, 78, 69, 88, 
-    212, 78, 69, 88, 128, 78, 69, 87, 83, 80, 65, 80, 69, 82, 128, 78, 69, 
-    87, 76, 73, 78, 69, 128, 78, 69, 87, 128, 78, 69, 85, 84, 82, 65, 204, 
-    78, 69, 85, 84, 69, 82, 128, 78, 69, 84, 128, 78, 69, 212, 78, 69, 83, 
-    84, 69, 196, 78, 69, 81, 85, 68, 65, 65, 128, 78, 69, 80, 84, 85, 78, 69, 
-    128, 78, 69, 80, 128, 78, 69, 79, 128, 78, 69, 207, 78, 69, 78, 65, 78, 
-    79, 128, 78, 69, 78, 128, 78, 69, 76, 128, 78, 69, 73, 84, 72, 69, 210, 
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-    85, 82, 128, 78, 68, 85, 80, 128, 78, 68, 85, 78, 128, 78, 68, 213, 78, 
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-    79, 128, 78, 68, 79, 78, 128, 78, 68, 79, 77, 66, 85, 128, 78, 68, 79, 
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-    66, 79, 88, 128, 78, 66, 79, 84, 128, 78, 66, 79, 80, 128, 78, 66, 79, 
-    128, 78, 66, 73, 88, 128, 78, 66, 73, 84, 128, 78, 66, 73, 80, 128, 78, 
-    66, 73, 69, 88, 128, 78, 66, 73, 69, 80, 128, 78, 66, 73, 69, 128, 78, 
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-    84, 72, 83, 128, 78, 65, 85, 68, 73, 218, 78, 65, 84, 85, 82, 65, 204, 
-    78, 65, 84, 73, 79, 78, 65, 204, 78, 65, 83, 75, 65, 80, 201, 78, 65, 83, 
-    72, 73, 128, 78, 65, 83, 65, 76, 73, 90, 65, 84, 73, 79, 78, 128, 78, 65, 
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-    82, 128, 78, 65, 81, 128, 78, 65, 79, 211, 78, 65, 78, 83, 65, 78, 65, 
-    81, 128, 78, 65, 78, 71, 77, 79, 78, 84, 72, 79, 128, 78, 65, 78, 68, 
-    128, 78, 65, 78, 65, 128, 78, 65, 77, 69, 128, 78, 65, 77, 197, 78, 65, 
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     65, 65, 75, 83, 73, 75, 89, 65, 89, 65, 128, 78, 65, 65, 73, 128, 78, 65, 
-    193, 78, 65, 50, 128, 78, 65, 45, 50, 128, 78, 48, 52, 50, 128, 78, 48, 
-    52, 49, 128, 78, 48, 52, 48, 128, 78, 48, 51, 57, 128, 78, 48, 51, 56, 
-    128, 78, 48, 51, 55, 65, 128, 78, 48, 51, 55, 128, 78, 48, 51, 54, 128, 
-    78, 48, 51, 53, 65, 128, 78, 48, 51, 53, 128, 78, 48, 51, 52, 65, 128, 
-    78, 48, 51, 52, 128, 78, 48, 51, 51, 65, 128, 78, 48, 51, 51, 128, 78, 
-    48, 51, 50, 128, 78, 48, 51, 49, 128, 78, 48, 51, 48, 128, 78, 48, 50, 
-    57, 128, 78, 48, 50, 56, 128, 78, 48, 50, 55, 128, 78, 48, 50, 54, 128, 
-    78, 48, 50, 53, 65, 128, 78, 48, 50, 53, 128, 78, 48, 50, 52, 128, 78, 
-    48, 50, 51, 128, 78, 48, 50, 50, 128, 78, 48, 50, 49, 128, 78, 48, 50, 
-    48, 128, 78, 48, 49, 57, 128, 78, 48, 49, 56, 66, 128, 78, 48, 49, 56, 
-    65, 128, 78, 48, 49, 56, 128, 78, 48, 49, 55, 128, 78, 48, 49, 54, 128, 
-    78, 48, 49, 53, 128, 78, 48, 49, 52, 128, 78, 48, 49, 51, 128, 78, 48, 
-    49, 50, 128, 78, 48, 49, 49, 128, 78, 48, 49, 48, 128, 78, 48, 48, 57, 
-    128, 78, 48, 48, 56, 128, 78, 48, 48, 55, 128, 78, 48, 48, 54, 128, 78, 
-    48, 48, 53, 128, 78, 48, 48, 52, 128, 78, 48, 48, 51, 128, 78, 48, 48, 
-    50, 128, 78, 48, 48, 49, 128, 78, 45, 67, 82, 69, 197, 78, 45, 65, 82, 
-    217, 77, 89, 88, 128, 77, 89, 84, 128, 77, 89, 83, 76, 73, 84, 69, 128, 
-    77, 89, 80, 128, 77, 89, 65, 128, 77, 89, 193, 77, 89, 128, 77, 217, 77, 
-    87, 79, 79, 128, 77, 87, 79, 128, 77, 87, 73, 73, 128, 77, 87, 73, 128, 
-    77, 87, 69, 69, 128, 77, 87, 69, 128, 77, 87, 65, 65, 128, 77, 87, 65, 
-    128, 77, 87, 128, 77, 215, 77, 86, 83, 128, 77, 86, 79, 80, 128, 77, 86, 
-    73, 128, 77, 86, 69, 85, 65, 69, 78, 71, 65, 77, 128, 77, 86, 128, 77, 
-    214, 77, 85, 88, 128, 77, 85, 85, 83, 73, 75, 65, 84, 79, 65, 78, 128, 
-    77, 85, 85, 82, 68, 72, 65, 74, 193, 77, 85, 85, 128, 77, 85, 84, 128, 
-    77, 85, 83, 73, 67, 128, 77, 85, 83, 73, 195, 77, 85, 83, 72, 82, 79, 79, 
-    77, 128, 77, 85, 83, 72, 51, 128, 77, 85, 83, 72, 179, 77, 85, 83, 72, 
-    128, 77, 85, 83, 200, 77, 85, 82, 88, 128, 77, 85, 82, 71, 85, 50, 128, 
-    77, 85, 82, 69, 128, 77, 85, 82, 68, 65, 128, 77, 85, 82, 68, 193, 77, 
-    85, 82, 128, 77, 85, 81, 68, 65, 77, 128, 77, 85, 80, 128, 77, 85, 79, 
-    88, 128, 77, 85, 79, 84, 128, 77, 85, 79, 80, 128, 77, 85, 79, 77, 65, 
-    69, 128, 77, 85, 79, 128, 77, 85, 78, 83, 85, 66, 128, 77, 85, 78, 65, 
-    72, 128, 77, 85, 76, 84, 73, 83, 69, 84, 128, 77, 85, 76, 84, 73, 83, 69, 
-    212, 77, 85, 76, 84, 73, 80, 76, 73, 67, 65, 84, 73, 79, 78, 128, 77, 85, 
-    76, 84, 73, 80, 76, 73, 67, 65, 84, 73, 79, 206, 77, 85, 76, 84, 73, 80, 
-    76, 197, 77, 85, 76, 84, 73, 79, 67, 85, 76, 65, 210, 77, 85, 76, 84, 73, 
-    77, 65, 80, 128, 77, 85, 76, 84, 201, 77, 85, 75, 80, 72, 82, 69, 78, 71, 
-    128, 77, 85, 73, 78, 128, 77, 85, 71, 83, 128, 77, 85, 71, 128, 77, 85, 
-    199, 77, 85, 69, 128, 77, 85, 67, 72, 128, 77, 85, 67, 200, 77, 85, 67, 
-    65, 65, 68, 128, 77, 85, 65, 78, 128, 77, 85, 65, 69, 128, 77, 85, 45, 
-    71, 65, 65, 72, 76, 65, 193, 77, 213, 77, 83, 128, 77, 80, 65, 128, 77, 
-    79, 89, 65, 73, 128, 77, 79, 88, 128, 77, 79, 86, 73, 197, 77, 79, 86, 
-    69, 196, 77, 79, 85, 84, 72, 128, 77, 79, 85, 84, 200, 77, 79, 85, 83, 
-    69, 128, 77, 79, 85, 83, 197, 77, 79, 85, 78, 84, 65, 73, 78, 83, 128, 
-    77, 79, 85, 78, 84, 65, 73, 78, 128, 77, 79, 85, 78, 84, 65, 73, 206, 77, 
-    79, 85, 78, 212, 77, 79, 85, 78, 68, 128, 77, 79, 85, 78, 196, 77, 79, 
-    84, 72, 69, 82, 128, 77, 79, 84, 128, 77, 79, 82, 84, 85, 85, 77, 128, 
-    77, 79, 82, 84, 65, 82, 128, 77, 79, 82, 80, 72, 79, 76, 79, 71, 73, 67, 
-    65, 204, 77, 79, 82, 78, 73, 78, 71, 128, 77, 79, 80, 128, 77, 79, 79, 
-    83, 69, 45, 67, 82, 69, 197, 77, 79, 79, 78, 128, 77, 79, 79, 206, 77, 
-    79, 79, 77, 80, 85, 81, 128, 77, 79, 79, 77, 69, 85, 84, 128, 77, 79, 79, 
-    128, 77, 79, 78, 84, 73, 69, 69, 78, 128, 77, 79, 78, 84, 72, 128, 77, 
-    79, 78, 84, 200, 77, 79, 78, 83, 84, 69, 82, 128, 77, 79, 78, 79, 83, 84, 
-    65, 66, 76, 197, 77, 79, 78, 79, 83, 80, 65, 67, 197, 77, 79, 78, 79, 82, 
-    65, 73, 76, 128, 77, 79, 78, 79, 71, 82, 65, 80, 200, 77, 79, 78, 79, 71, 
-    82, 65, 77, 77, 79, 211, 77, 79, 78, 79, 71, 82, 65, 205, 77, 79, 78, 79, 
-    70, 79, 78, 73, 65, 83, 128, 77, 79, 78, 79, 67, 85, 76, 65, 210, 77, 79, 
-    78, 75, 69, 89, 128, 77, 79, 78, 75, 69, 217, 77, 79, 78, 73, 128, 77, 
-    79, 78, 71, 75, 69, 85, 65, 69, 81, 128, 77, 79, 78, 69, 217, 77, 79, 78, 
-    128, 77, 79, 206, 77, 79, 76, 128, 77, 79, 72, 65, 77, 77, 65, 196, 77, 
-    79, 68, 85, 76, 207, 77, 79, 68, 69, 83, 84, 89, 128, 77, 79, 68, 69, 76, 
-    83, 128, 77, 79, 68, 69, 76, 128, 77, 79, 68, 69, 128, 77, 79, 66, 73, 
-    76, 197, 77, 79, 65, 128, 77, 207, 77, 78, 89, 65, 205, 77, 78, 65, 83, 
-    128, 77, 77, 83, 80, 128, 77, 77, 128, 77, 205, 77, 76, 65, 128, 77, 76, 
-    128, 77, 75, 80, 65, 82, 65, 209, 77, 73, 88, 128, 77, 73, 84, 128, 77, 
-    73, 83, 82, 65, 128, 77, 73, 82, 73, 66, 65, 65, 82, 85, 128, 77, 73, 82, 
-    73, 128, 77, 73, 82, 69, 68, 128, 77, 73, 80, 128, 77, 73, 78, 89, 128, 
-    77, 73, 78, 85, 83, 45, 79, 82, 45, 80, 76, 85, 211, 77, 73, 78, 85, 83, 
-    128, 77, 73, 78, 73, 83, 84, 69, 82, 128, 77, 73, 78, 73, 77, 65, 128, 
-    77, 73, 78, 73, 68, 73, 83, 67, 128, 77, 73, 78, 73, 66, 85, 83, 128, 77, 
-    73, 77, 69, 128, 77, 73, 77, 128, 77, 73, 76, 76, 73, 79, 78, 211, 77, 
-    73, 76, 76, 69, 84, 128, 77, 73, 76, 76, 197, 77, 73, 76, 204, 77, 73, 
-    76, 75, 217, 77, 73, 76, 128, 77, 73, 75, 85, 82, 79, 78, 128, 77, 73, 
-    75, 82, 79, 206, 77, 73, 75, 82, 73, 128, 77, 73, 73, 78, 128, 77, 73, 
-    73, 128, 77, 73, 199, 77, 73, 69, 88, 128, 77, 73, 69, 85, 77, 45, 84, 
-    73, 75, 69, 85, 84, 128, 77, 73, 69, 85, 77, 45, 83, 83, 65, 78, 71, 83, 
-    73, 79, 83, 128, 77, 73, 69, 85, 77, 45, 83, 83, 65, 78, 71, 78, 73, 69, 
-    85, 78, 128, 77, 73, 69, 85, 77, 45, 82, 73, 69, 85, 76, 128, 77, 73, 69, 
-    85, 77, 45, 80, 73, 69, 85, 80, 45, 83, 73, 79, 83, 128, 77, 73, 69, 85, 
-    77, 45, 80, 73, 69, 85, 80, 128, 77, 73, 69, 85, 77, 45, 80, 65, 78, 83, 
-    73, 79, 83, 128, 77, 73, 69, 85, 77, 45, 78, 73, 69, 85, 78, 128, 77, 73, 
-    69, 85, 77, 45, 67, 73, 69, 85, 67, 128, 77, 73, 69, 85, 77, 45, 67, 72, 
-    73, 69, 85, 67, 72, 128, 77, 73, 69, 85, 205, 77, 73, 69, 80, 128, 77, 
-    73, 69, 69, 128, 77, 73, 69, 128, 77, 73, 68, 76, 73, 78, 197, 77, 73, 
-    68, 68, 76, 69, 45, 87, 69, 76, 83, 200, 77, 73, 68, 68, 76, 197, 77, 73, 
+    193, 78, 65, 52, 128, 78, 65, 50, 128, 78, 65, 45, 50, 128, 78, 48, 52, 
+    50, 128, 78, 48, 52, 49, 128, 78, 48, 52, 48, 128, 78, 48, 51, 57, 128, 
+    78, 48, 51, 56, 128, 78, 48, 51, 55, 65, 128, 78, 48, 51, 55, 128, 78, 
+    48, 51, 54, 128, 78, 48, 51, 53, 65, 128, 78, 48, 51, 53, 128, 78, 48, 
+    51, 52, 65, 128, 78, 48, 51, 52, 128, 78, 48, 51, 51, 65, 128, 78, 48, 
+    51, 51, 128, 78, 48, 51, 50, 128, 78, 48, 51, 49, 128, 78, 48, 51, 48, 
+    128, 78, 48, 50, 57, 128, 78, 48, 50, 56, 128, 78, 48, 50, 55, 128, 78, 
+    48, 50, 54, 128, 78, 48, 50, 53, 65, 128, 78, 48, 50, 53, 128, 78, 48, 
+    50, 52, 128, 78, 48, 50, 51, 128, 78, 48, 50, 50, 128, 78, 48, 50, 49, 
+    128, 78, 48, 50, 48, 128, 78, 48, 49, 57, 128, 78, 48, 49, 56, 66, 128, 
+    78, 48, 49, 56, 65, 128, 78, 48, 49, 56, 128, 78, 48, 49, 55, 128, 78, 
+    48, 49, 54, 128, 78, 48, 49, 53, 128, 78, 48, 49, 52, 128, 78, 48, 49, 
+    51, 128, 78, 48, 49, 50, 128, 78, 48, 49, 49, 128, 78, 48, 49, 48, 128, 
+    78, 48, 48, 57, 128, 78, 48, 48, 56, 128, 78, 48, 48, 55, 128, 78, 48, 
+    48, 54, 128, 78, 48, 48, 53, 128, 78, 48, 48, 52, 128, 78, 48, 48, 51, 
+    128, 78, 48, 48, 50, 128, 78, 48, 48, 49, 128, 78, 45, 67, 82, 69, 197, 
+    78, 45, 65, 82, 217, 77, 89, 88, 128, 77, 89, 84, 128, 77, 89, 83, 76, 
+    73, 84, 69, 128, 77, 89, 80, 128, 77, 89, 65, 128, 77, 89, 193, 77, 89, 
+    128, 77, 217, 77, 87, 79, 79, 128, 77, 87, 79, 128, 77, 87, 73, 73, 128, 
+    77, 87, 73, 128, 77, 87, 69, 69, 128, 77, 87, 69, 128, 77, 87, 65, 65, 
+    128, 77, 87, 65, 128, 77, 87, 128, 77, 215, 77, 86, 83, 128, 77, 86, 79, 
+    80, 128, 77, 86, 73, 128, 77, 86, 69, 85, 65, 69, 78, 71, 65, 77, 128, 
+    77, 86, 128, 77, 214, 77, 85, 88, 128, 77, 85, 85, 83, 73, 75, 65, 84, 
+    79, 65, 78, 128, 77, 85, 85, 82, 68, 72, 65, 74, 193, 77, 85, 85, 128, 
+    77, 85, 84, 128, 77, 85, 83, 73, 67, 128, 77, 85, 83, 73, 195, 77, 85, 
+    83, 72, 82, 79, 79, 77, 128, 77, 85, 83, 72, 51, 128, 77, 85, 83, 72, 
+    179, 77, 85, 83, 72, 128, 77, 85, 83, 200, 77, 85, 83, 128, 77, 85, 82, 
+    88, 128, 77, 85, 82, 71, 85, 50, 128, 77, 85, 82, 69, 128, 77, 85, 82, 
+    68, 65, 128, 77, 85, 82, 68, 193, 77, 85, 82, 128, 77, 85, 81, 68, 65, 
+    77, 128, 77, 85, 80, 128, 77, 85, 79, 88, 128, 77, 85, 79, 84, 128, 77, 
+    85, 79, 80, 128, 77, 85, 79, 77, 65, 69, 128, 77, 85, 79, 128, 77, 85, 
+    78, 83, 85, 66, 128, 77, 85, 78, 65, 72, 128, 77, 85, 78, 128, 77, 85, 
+    76, 84, 73, 83, 69, 84, 128, 77, 85, 76, 84, 73, 83, 69, 212, 77, 85, 76, 
+    84, 73, 80, 76, 73, 67, 65, 84, 73, 79, 78, 128, 77, 85, 76, 84, 73, 80, 
+    76, 73, 67, 65, 84, 73, 79, 206, 77, 85, 76, 84, 73, 80, 76, 197, 77, 85, 
+    76, 84, 73, 79, 67, 85, 76, 65, 210, 77, 85, 76, 84, 73, 77, 65, 80, 128, 
+    77, 85, 76, 84, 201, 77, 85, 75, 80, 72, 82, 69, 78, 71, 128, 77, 85, 73, 
+    78, 128, 77, 85, 71, 83, 128, 77, 85, 71, 128, 77, 85, 199, 77, 85, 69, 
+    78, 128, 77, 85, 69, 128, 77, 85, 67, 72, 128, 77, 85, 67, 200, 77, 85, 
+    67, 65, 65, 68, 128, 77, 85, 65, 83, 128, 77, 85, 65, 78, 128, 77, 85, 
+    65, 69, 128, 77, 85, 45, 71, 65, 65, 72, 76, 65, 193, 77, 213, 77, 83, 
+    128, 77, 82, 207, 77, 80, 65, 128, 77, 79, 89, 65, 73, 128, 77, 79, 88, 
+    128, 77, 79, 86, 73, 197, 77, 79, 86, 69, 196, 77, 79, 85, 84, 72, 128, 
+    77, 79, 85, 84, 200, 77, 79, 85, 83, 69, 128, 77, 79, 85, 83, 197, 77, 
+    79, 85, 78, 84, 65, 73, 78, 83, 128, 77, 79, 85, 78, 84, 65, 73, 78, 128, 
+    77, 79, 85, 78, 84, 65, 73, 206, 77, 79, 85, 78, 212, 77, 79, 85, 78, 68, 
+    128, 77, 79, 85, 78, 196, 77, 79, 84, 79, 82, 87, 65, 89, 128, 77, 79, 
+    84, 79, 82, 67, 89, 67, 76, 69, 128, 77, 79, 84, 79, 210, 77, 79, 84, 72, 
+    69, 82, 128, 77, 79, 84, 128, 77, 79, 82, 84, 85, 85, 77, 128, 77, 79, 
+    82, 84, 65, 82, 128, 77, 79, 82, 80, 72, 79, 76, 79, 71, 73, 67, 65, 204, 
+    77, 79, 82, 78, 73, 78, 71, 128, 77, 79, 80, 128, 77, 79, 79, 83, 69, 45, 
+    67, 82, 69, 197, 77, 79, 79, 78, 128, 77, 79, 79, 206, 77, 79, 79, 77, 
+    80, 85, 81, 128, 77, 79, 79, 77, 69, 85, 84, 128, 77, 79, 79, 68, 128, 
+    77, 79, 79, 196, 77, 79, 79, 128, 77, 79, 78, 84, 73, 69, 69, 78, 128, 
+    77, 79, 78, 84, 72, 128, 77, 79, 78, 84, 200, 77, 79, 78, 83, 84, 69, 82, 
+    128, 77, 79, 78, 79, 83, 84, 65, 66, 76, 197, 77, 79, 78, 79, 83, 80, 65, 
+    67, 197, 77, 79, 78, 79, 82, 65, 73, 76, 128, 77, 79, 78, 79, 71, 82, 65, 
+    80, 200, 77, 79, 78, 79, 71, 82, 65, 77, 77, 79, 211, 77, 79, 78, 79, 71, 
+    82, 65, 205, 77, 79, 78, 79, 70, 79, 78, 73, 65, 83, 128, 77, 79, 78, 79, 
+    67, 85, 76, 65, 210, 77, 79, 78, 75, 69, 89, 128, 77, 79, 78, 75, 69, 
+    217, 77, 79, 78, 73, 128, 77, 79, 78, 71, 75, 69, 85, 65, 69, 81, 128, 
+    77, 79, 78, 69, 217, 77, 79, 78, 128, 77, 79, 206, 77, 79, 76, 128, 77, 
+    79, 72, 65, 77, 77, 65, 196, 77, 79, 68, 85, 76, 207, 77, 79, 68, 201, 
+    77, 79, 68, 69, 83, 84, 89, 128, 77, 79, 68, 69, 77, 128, 77, 79, 68, 69, 
+    76, 83, 128, 77, 79, 68, 69, 76, 128, 77, 79, 68, 69, 128, 77, 79, 66, 
+    73, 76, 197, 77, 79, 65, 128, 77, 207, 77, 78, 89, 65, 205, 77, 78, 65, 
+    83, 128, 77, 77, 83, 80, 128, 77, 77, 128, 77, 205, 77, 76, 65, 128, 77, 
+    76, 128, 77, 75, 80, 65, 82, 65, 209, 77, 73, 88, 128, 77, 73, 84, 128, 
+    77, 73, 83, 82, 65, 128, 77, 73, 82, 73, 66, 65, 65, 82, 85, 128, 77, 73, 
+    82, 73, 128, 77, 73, 82, 69, 68, 128, 77, 73, 80, 128, 77, 73, 78, 89, 
+    128, 77, 73, 78, 85, 83, 45, 79, 82, 45, 80, 76, 85, 211, 77, 73, 78, 85, 
+    83, 128, 77, 73, 78, 73, 83, 84, 69, 82, 128, 77, 73, 78, 73, 77, 73, 90, 
+    69, 128, 77, 73, 78, 73, 77, 65, 128, 77, 73, 78, 73, 68, 73, 83, 67, 
+    128, 77, 73, 78, 73, 66, 85, 83, 128, 77, 73, 77, 69, 128, 77, 73, 77, 
+    128, 77, 73, 76, 76, 73, 79, 78, 83, 128, 77, 73, 76, 76, 73, 79, 78, 
+    211, 77, 73, 76, 76, 69, 84, 128, 77, 73, 76, 76, 197, 77, 73, 76, 204, 
+    77, 73, 76, 75, 217, 77, 73, 76, 73, 84, 65, 82, 217, 77, 73, 76, 128, 
+    77, 73, 75, 85, 82, 79, 78, 128, 77, 73, 75, 82, 79, 206, 77, 73, 75, 82, 
+    73, 128, 77, 73, 73, 78, 128, 77, 73, 73, 128, 77, 73, 199, 77, 73, 69, 
+    88, 128, 77, 73, 69, 85, 77, 45, 84, 73, 75, 69, 85, 84, 128, 77, 73, 69, 
+    85, 77, 45, 83, 83, 65, 78, 71, 83, 73, 79, 83, 128, 77, 73, 69, 85, 77, 
+    45, 83, 83, 65, 78, 71, 78, 73, 69, 85, 78, 128, 77, 73, 69, 85, 77, 45, 
+    82, 73, 69, 85, 76, 128, 77, 73, 69, 85, 77, 45, 80, 73, 69, 85, 80, 45, 
+    83, 73, 79, 83, 128, 77, 73, 69, 85, 77, 45, 80, 73, 69, 85, 80, 128, 77, 
+    73, 69, 85, 77, 45, 80, 65, 78, 83, 73, 79, 83, 128, 77, 73, 69, 85, 77, 
+    45, 78, 73, 69, 85, 78, 128, 77, 73, 69, 85, 77, 45, 67, 73, 69, 85, 67, 
+    128, 77, 73, 69, 85, 77, 45, 67, 72, 73, 69, 85, 67, 72, 128, 77, 73, 69, 
+    85, 205, 77, 73, 69, 80, 128, 77, 73, 69, 69, 128, 77, 73, 69, 128, 77, 
+    73, 68, 76, 73, 78, 197, 77, 73, 68, 68, 76, 69, 45, 87, 69, 76, 83, 200, 
+    77, 73, 68, 68, 76, 197, 77, 73, 68, 45, 76, 69, 86, 69, 204, 77, 73, 
     196, 77, 73, 67, 82, 79, 83, 67, 79, 80, 69, 128, 77, 73, 67, 82, 79, 80, 
     72, 79, 78, 69, 128, 77, 73, 67, 82, 207, 77, 73, 67, 210, 77, 72, 90, 
     128, 77, 72, 65, 128, 77, 72, 128, 77, 71, 85, 88, 128, 77, 71, 85, 84, 
@@ -2018,161 +2115,219 @@ static unsigned char lexicon[] = {
     77, 69, 82, 79, 73, 84, 73, 195, 77, 69, 82, 75, 72, 65, 128, 77, 69, 82, 
     75, 72, 193, 77, 69, 82, 73, 68, 73, 65, 78, 83, 128, 77, 69, 82, 73, 
     128, 77, 69, 82, 71, 69, 128, 77, 69, 82, 67, 85, 82, 89, 128, 77, 69, 
-    82, 67, 85, 82, 217, 77, 69, 78, 68, 85, 84, 128, 77, 69, 78, 128, 77, 
-    69, 77, 79, 128, 77, 69, 77, 66, 69, 82, 83, 72, 73, 80, 128, 77, 69, 77, 
-    66, 69, 82, 128, 77, 69, 77, 66, 69, 210, 77, 69, 77, 45, 81, 79, 80, 72, 
-    128, 77, 69, 77, 128, 77, 69, 205, 77, 69, 76, 79, 68, 73, 195, 77, 69, 
-    76, 73, 75, 128, 77, 69, 73, 90, 73, 128, 77, 69, 71, 65, 84, 79, 78, 
-    128, 77, 69, 71, 65, 80, 72, 79, 78, 69, 128, 77, 69, 71, 65, 76, 73, 
-    128, 77, 69, 69, 84, 79, 82, 85, 128, 77, 69, 69, 84, 128, 77, 69, 69, 
-    77, 85, 128, 77, 69, 69, 77, 128, 77, 69, 69, 69, 69, 128, 77, 69, 68, 
+    82, 67, 85, 82, 217, 77, 69, 78, 79, 69, 128, 77, 69, 78, 68, 85, 84, 
+    128, 77, 69, 78, 128, 77, 69, 77, 79, 128, 77, 69, 77, 66, 69, 82, 83, 
+    72, 73, 80, 128, 77, 69, 77, 66, 69, 82, 128, 77, 69, 77, 66, 69, 210, 
+    77, 69, 77, 45, 81, 79, 80, 72, 128, 77, 69, 77, 128, 77, 69, 205, 77, 
+    69, 76, 79, 68, 73, 195, 77, 69, 76, 73, 75, 128, 77, 69, 73, 90, 73, 
+    128, 77, 69, 71, 65, 84, 79, 78, 128, 77, 69, 71, 65, 80, 72, 79, 78, 69, 
+    128, 77, 69, 71, 65, 76, 73, 128, 77, 69, 69, 84, 79, 82, 85, 128, 77, 
+    69, 69, 84, 69, 201, 77, 69, 69, 84, 128, 77, 69, 69, 77, 85, 128, 77, 
+    69, 69, 77, 128, 77, 69, 69, 202, 77, 69, 69, 69, 69, 128, 77, 69, 68, 
     73, 85, 77, 128, 77, 69, 68, 73, 85, 205, 77, 69, 68, 73, 67, 73, 78, 69, 
-    128, 77, 69, 68, 73, 67, 65, 204, 77, 69, 65, 84, 128, 77, 69, 65, 212, 
-    77, 69, 65, 83, 85, 82, 69, 196, 77, 69, 65, 83, 85, 82, 69, 128, 77, 69, 
-    65, 83, 85, 82, 197, 77, 68, 85, 206, 77, 196, 77, 67, 72, 213, 77, 67, 
-    72, 65, 206, 77, 195, 77, 66, 85, 79, 81, 128, 77, 66, 85, 79, 128, 77, 
-    66, 85, 69, 128, 77, 66, 85, 65, 69, 77, 128, 77, 66, 85, 65, 69, 128, 
-    77, 66, 79, 79, 128, 77, 66, 79, 128, 77, 66, 73, 84, 128, 77, 66, 73, 
-    212, 77, 66, 73, 82, 73, 69, 69, 78, 128, 77, 66, 73, 128, 77, 66, 69, 
-    85, 88, 128, 77, 66, 69, 85, 82, 73, 128, 77, 66, 69, 85, 77, 128, 77, 
-    66, 69, 82, 65, 69, 128, 77, 66, 69, 78, 128, 77, 66, 69, 69, 75, 69, 69, 
-    84, 128, 77, 66, 69, 69, 128, 77, 66, 69, 128, 77, 66, 65, 81, 128, 77, 
-    66, 65, 78, 89, 73, 128, 77, 66, 65, 65, 82, 65, 69, 128, 77, 66, 65, 65, 
-    75, 69, 84, 128, 77, 66, 65, 65, 128, 77, 66, 65, 193, 77, 66, 193, 77, 
-    66, 52, 128, 77, 66, 51, 128, 77, 66, 50, 128, 77, 66, 128, 77, 194, 77, 
-    65, 89, 65, 78, 78, 65, 128, 77, 65, 89, 128, 77, 65, 88, 73, 77, 65, 
-    128, 77, 65, 88, 128, 77, 65, 85, 128, 77, 65, 84, 84, 79, 67, 75, 128, 
-    77, 65, 84, 82, 73, 88, 128, 77, 65, 84, 69, 82, 73, 65, 76, 83, 128, 77, 
-    65, 84, 128, 77, 65, 83, 213, 77, 65, 83, 83, 73, 78, 71, 128, 77, 65, 
-    83, 83, 65, 71, 69, 128, 77, 65, 83, 79, 82, 193, 77, 65, 83, 75, 128, 
-    77, 65, 83, 72, 70, 65, 65, 84, 128, 77, 65, 83, 72, 50, 128, 77, 65, 83, 
-    67, 85, 76, 73, 78, 197, 77, 65, 82, 89, 128, 77, 65, 82, 85, 75, 85, 
-    128, 77, 65, 82, 84, 89, 82, 73, 193, 77, 65, 82, 82, 89, 73, 78, 199, 
-    77, 65, 82, 82, 73, 65, 71, 197, 77, 65, 82, 75, 69, 82, 128, 77, 65, 82, 
-    75, 45, 52, 128, 77, 65, 82, 75, 45, 51, 128, 77, 65, 82, 75, 45, 50, 
-    128, 77, 65, 82, 75, 45, 49, 128, 77, 65, 82, 69, 128, 77, 65, 82, 67, 
-    72, 128, 77, 65, 82, 67, 65, 84, 79, 45, 83, 84, 65, 67, 67, 65, 84, 79, 
-    128, 77, 65, 82, 67, 65, 84, 79, 128, 77, 65, 82, 67, 65, 83, 73, 84, 69, 
-    128, 77, 65, 82, 66, 85, 84, 65, 128, 77, 65, 82, 66, 85, 84, 193, 77, 
-    65, 82, 128, 77, 65, 81, 65, 70, 128, 77, 65, 81, 128, 77, 65, 80, 76, 
-    197, 77, 65, 80, 73, 81, 128, 77, 65, 208, 77, 65, 79, 128, 77, 65, 78, 
-    83, 89, 79, 78, 128, 77, 65, 78, 83, 85, 65, 69, 128, 77, 65, 78, 78, 65, 
-    218, 77, 65, 78, 78, 65, 128, 77, 65, 78, 71, 65, 76, 65, 77, 128, 77, 
-    65, 78, 68, 65, 73, 76, 73, 78, 199, 77, 65, 78, 68, 65, 73, 195, 77, 65, 
-    78, 67, 72, 213, 77, 65, 78, 65, 67, 76, 69, 83, 128, 77, 65, 76, 84, 69, 
-    83, 197, 77, 65, 76, 69, 69, 82, 73, 128, 77, 65, 76, 69, 128, 77, 65, 
-    76, 197, 77, 65, 76, 65, 75, 79, 206, 77, 65, 75, 83, 85, 82, 65, 128, 
-    77, 65, 75, 83, 85, 82, 193, 77, 65, 73, 90, 69, 128, 77, 65, 73, 89, 65, 
-    77, 79, 75, 128, 77, 65, 73, 84, 65, 73, 75, 72, 85, 128, 77, 65, 73, 82, 
-    85, 128, 77, 65, 73, 77, 85, 65, 78, 128, 77, 65, 73, 77, 65, 76, 65, 73, 
+    128, 77, 69, 68, 73, 67, 65, 204, 77, 69, 68, 65, 76, 128, 77, 69, 65, 
+    84, 128, 77, 69, 65, 212, 77, 69, 65, 83, 85, 82, 69, 196, 77, 69, 65, 
+    83, 85, 82, 69, 128, 77, 69, 65, 83, 85, 82, 197, 77, 68, 85, 206, 77, 
+    196, 77, 67, 72, 213, 77, 67, 72, 65, 206, 77, 195, 77, 66, 85, 85, 128, 
+    77, 66, 85, 79, 81, 128, 77, 66, 85, 79, 128, 77, 66, 85, 69, 128, 77, 
+    66, 85, 65, 69, 77, 128, 77, 66, 85, 65, 69, 128, 77, 66, 79, 79, 128, 
+    77, 66, 79, 128, 77, 66, 73, 84, 128, 77, 66, 73, 212, 77, 66, 73, 82, 
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+    85, 82, 128, 76, 85, 72, 128, 76, 85, 71, 71, 65, 71, 69, 128, 76, 85, 
+    71, 65, 76, 128, 76, 85, 71, 65, 204, 76, 85, 69, 128, 76, 85, 197, 76, 
+    85, 66, 128, 76, 85, 65, 69, 80, 128, 76, 85, 51, 128, 76, 85, 50, 128, 
+    76, 85, 178, 76, 82, 79, 128, 76, 82, 77, 128, 76, 82, 73, 128, 76, 82, 
+    69, 128, 76, 79, 90, 69, 78, 71, 69, 128, 76, 79, 90, 69, 78, 71, 197, 
+    76, 79, 88, 128, 76, 79, 87, 69, 82, 69, 196, 76, 79, 87, 69, 210, 76, 
+    79, 87, 45, 82, 69, 86, 69, 82, 83, 69, 68, 45, 185, 76, 79, 87, 45, 77, 
+    73, 196, 76, 79, 87, 45, 70, 65, 76, 76, 73, 78, 199, 76, 79, 87, 45, 
+    185, 76, 79, 86, 197, 76, 79, 85, 82, 69, 128, 76, 79, 85, 68, 83, 80, 
+    69, 65, 75, 69, 82, 128, 76, 79, 85, 68, 76, 217, 76, 79, 84, 85, 83, 
+    128, 76, 79, 84, 128, 76, 79, 82, 82, 89, 128, 76, 79, 82, 82, 65, 73, 
+    78, 69, 128, 76, 79, 81, 128, 76, 79, 80, 128, 76, 79, 79, 84, 128, 76, 
+    79, 79, 80, 69, 196, 76, 79, 79, 80, 128, 76, 79, 79, 208, 76, 79, 79, 
+    78, 128, 76, 79, 79, 203, 76, 79, 79, 128, 76, 79, 78, 83, 85, 77, 128, 
+    76, 79, 78, 71, 65, 128, 76, 79, 78, 71, 193, 76, 79, 78, 71, 45, 66, 82, 
+    65, 78, 67, 72, 45, 89, 82, 128, 76, 79, 78, 71, 45, 66, 82, 65, 78, 67, 
+    72, 45, 83, 79, 204, 76, 79, 78, 71, 45, 66, 82, 65, 78, 67, 72, 45, 79, 
+    83, 211, 76, 79, 78, 71, 45, 66, 82, 65, 78, 67, 72, 45, 77, 65, 68, 210, 
+    76, 79, 78, 71, 45, 66, 82, 65, 78, 67, 72, 45, 72, 65, 71, 65, 76, 204, 
+    76, 79, 78, 71, 45, 66, 82, 65, 78, 67, 72, 45, 65, 210, 76, 79, 77, 77, 
+    65, 69, 128, 76, 79, 77, 128, 76, 79, 205, 76, 79, 76, 76, 73, 80, 79, 
+    80, 128, 76, 79, 76, 76, 128, 76, 79, 71, 210, 76, 79, 71, 79, 84, 89, 
+    80, 197, 76, 79, 71, 79, 71, 82, 65, 205, 76, 79, 71, 128, 76, 79, 68, 
+    69, 83, 84, 79, 78, 69, 128, 76, 79, 67, 79, 77, 79, 84, 73, 86, 69, 128, 
+    76, 79, 67, 75, 73, 78, 71, 45, 83, 72, 73, 70, 212, 76, 79, 67, 203, 76, 
+    79, 67, 65, 84, 73, 86, 69, 128, 76, 79, 67, 65, 84, 73, 79, 206, 76, 79, 
+    65, 128, 76, 78, 128, 76, 76, 85, 85, 128, 76, 76, 79, 79, 128, 76, 76, 
+    76, 85, 85, 128, 76, 76, 76, 85, 128, 76, 76, 76, 79, 79, 128, 76, 76, 
+    76, 79, 128, 76, 76, 76, 73, 73, 128, 76, 76, 76, 73, 128, 76, 76, 76, 
+    69, 69, 128, 76, 76, 76, 69, 128, 76, 76, 76, 65, 85, 128, 76, 76, 76, 
+    65, 73, 128, 76, 76, 76, 65, 65, 128, 76, 76, 76, 65, 128, 76, 76, 76, 
+    128, 76, 74, 85, 68, 73, 74, 69, 128, 76, 74, 69, 128, 76, 74, 128, 76, 
+    73, 88, 128, 76, 73, 87, 78, 128, 76, 73, 86, 82, 197, 76, 73, 84, 84, 
+    76, 197, 76, 73, 84, 84, 69, 210, 76, 73, 84, 82, 193, 76, 73, 84, 200, 
+    76, 73, 84, 128, 76, 73, 83, 213, 76, 73, 83, 128, 76, 73, 82, 193, 76, 
+    73, 81, 85, 73, 196, 76, 73, 81, 128, 76, 73, 80, 83, 84, 73, 67, 75, 
+    128, 76, 73, 78, 75, 73, 78, 199, 76, 73, 78, 75, 69, 196, 76, 73, 78, 
+    203, 76, 73, 78, 71, 83, 65, 128, 76, 73, 78, 69, 83, 128, 76, 73, 78, 
+    69, 211, 76, 73, 78, 69, 45, 57, 128, 76, 73, 78, 69, 45, 55, 128, 76, 
+    73, 78, 69, 45, 51, 128, 76, 73, 78, 69, 45, 49, 128, 76, 73, 77, 77, 85, 
+    52, 128, 76, 73, 77, 77, 85, 50, 128, 76, 73, 77, 77, 85, 128, 76, 73, 
+    77, 77, 213, 76, 73, 77, 73, 84, 69, 196, 76, 73, 77, 73, 84, 65, 84, 73, 
+    79, 78, 128, 76, 73, 77, 73, 84, 128, 76, 73, 77, 69, 128, 76, 73, 77, 
+    66, 213, 76, 73, 76, 89, 128, 76, 73, 76, 73, 84, 72, 128, 76, 73, 76, 
+    128, 76, 73, 71, 72, 84, 78, 73, 78, 71, 128, 76, 73, 71, 72, 84, 78, 73, 
+    78, 199, 76, 73, 71, 72, 84, 72, 79, 85, 83, 69, 128, 76, 73, 71, 72, 84, 
+    128, 76, 73, 70, 84, 69, 82, 128, 76, 73, 70, 69, 128, 76, 73, 69, 88, 
     128, 76, 73, 69, 84, 128, 76, 73, 69, 80, 128, 76, 73, 69, 69, 128, 76, 
     73, 69, 128, 76, 73, 68, 128, 76, 73, 66, 82, 65, 128, 76, 73, 66, 69, 
     82, 84, 89, 128, 76, 73, 65, 66, 73, 76, 73, 84, 217, 76, 72, 73, 73, 
     128, 76, 72, 65, 86, 73, 89, 65, 78, 73, 128, 76, 72, 65, 199, 76, 72, 
     65, 65, 128, 76, 72, 128, 76, 69, 90, 72, 128, 76, 69, 88, 128, 76, 69, 
-    86, 69, 204, 76, 69, 85, 77, 128, 76, 69, 85, 65, 69, 80, 128, 76, 69, 
-    85, 65, 69, 77, 128, 76, 69, 85, 128, 76, 69, 213, 76, 69, 84, 84, 69, 
-    82, 83, 128, 76, 69, 84, 84, 69, 82, 128, 76, 69, 212, 76, 69, 83, 83, 
-    69, 210, 76, 69, 83, 83, 45, 84, 72, 65, 78, 128, 76, 69, 83, 83, 45, 84, 
-    72, 65, 206, 76, 69, 80, 128, 76, 69, 79, 80, 65, 82, 68, 128, 76, 69, 
-    79, 128, 76, 69, 78, 84, 73, 67, 85, 76, 65, 210, 76, 69, 78, 73, 83, 
-    128, 76, 69, 78, 71, 84, 72, 69, 78, 69, 82, 128, 76, 69, 78, 71, 84, 
-    200, 76, 69, 78, 71, 65, 128, 76, 69, 78, 71, 193, 76, 69, 77, 79, 78, 
-    128, 76, 69, 77, 79, 73, 128, 76, 69, 76, 69, 84, 128, 76, 69, 76, 69, 
-    212, 76, 69, 203, 76, 69, 73, 77, 77, 65, 128, 76, 69, 73, 77, 77, 193, 
-    76, 69, 71, 83, 128, 76, 69, 71, 73, 79, 78, 128, 76, 69, 71, 69, 84, 79, 
-    211, 76, 69, 71, 128, 76, 69, 70, 84, 87, 65, 82, 68, 83, 128, 76, 69, 
-    70, 84, 45, 84, 79, 45, 82, 73, 71, 72, 212, 76, 69, 70, 84, 45, 83, 84, 
-    69, 205, 76, 69, 70, 84, 45, 83, 73, 68, 197, 76, 69, 70, 84, 45, 83, 72, 
-    65, 68, 69, 196, 76, 69, 70, 84, 45, 80, 79, 73, 78, 84, 73, 78, 199, 76, 
+    86, 73, 84, 65, 84, 73, 78, 71, 128, 76, 69, 85, 77, 128, 76, 69, 85, 65, 
+    69, 80, 128, 76, 69, 85, 65, 69, 77, 128, 76, 69, 85, 128, 76, 69, 213, 
+    76, 69, 84, 84, 69, 82, 83, 128, 76, 69, 84, 84, 69, 82, 128, 76, 69, 
+    212, 76, 69, 83, 83, 69, 210, 76, 69, 83, 83, 45, 84, 72, 65, 78, 128, 
+    76, 69, 83, 83, 45, 84, 72, 65, 206, 76, 69, 80, 67, 72, 193, 76, 69, 80, 
+    128, 76, 69, 79, 80, 65, 82, 68, 128, 76, 69, 79, 128, 76, 69, 78, 84, 
+    73, 67, 85, 76, 65, 210, 76, 69, 78, 73, 83, 128, 76, 69, 78, 73, 211, 
+    76, 69, 78, 71, 84, 72, 69, 78, 69, 82, 128, 76, 69, 78, 71, 84, 200, 76, 
+    69, 78, 71, 65, 128, 76, 69, 78, 71, 193, 76, 69, 77, 79, 78, 128, 76, 
+    69, 77, 79, 73, 128, 76, 69, 76, 69, 84, 128, 76, 69, 76, 69, 212, 76, 
+    69, 203, 76, 69, 73, 77, 77, 65, 128, 76, 69, 73, 77, 77, 193, 76, 69, 
+    73, 128, 76, 69, 71, 83, 128, 76, 69, 71, 73, 79, 78, 128, 76, 69, 71, 
+    69, 84, 79, 211, 76, 69, 71, 128, 76, 69, 199, 76, 69, 70, 84, 87, 65, 
+    82, 68, 83, 128, 76, 69, 70, 84, 45, 84, 79, 45, 82, 73, 71, 72, 212, 76, 
+    69, 70, 84, 45, 83, 84, 69, 205, 76, 69, 70, 84, 45, 83, 73, 68, 197, 76, 
+    69, 70, 84, 45, 83, 72, 65, 68, 69, 196, 76, 69, 70, 84, 45, 80, 79, 73, 
+    78, 84, 73, 78, 199, 76, 69, 70, 84, 45, 76, 73, 71, 72, 84, 69, 196, 76, 
     69, 70, 84, 45, 72, 65, 78, 68, 69, 196, 76, 69, 70, 84, 45, 72, 65, 78, 
     196, 76, 69, 70, 84, 45, 70, 65, 67, 73, 78, 199, 76, 69, 70, 84, 128, 
     76, 69, 69, 82, 65, 69, 87, 65, 128, 76, 69, 69, 75, 128, 76, 69, 69, 69, 
@@ -2181,137 +2336,151 @@ static unsigned char lexicon[] = {
     69, 65, 68, 69, 82, 128, 76, 69, 65, 196, 76, 68, 65, 78, 128, 76, 68, 
     50, 128, 76, 67, 201, 76, 67, 197, 76, 65, 90, 217, 76, 65, 89, 65, 78, 
     78, 65, 128, 76, 65, 88, 128, 76, 65, 87, 128, 76, 65, 215, 76, 65, 85, 
-    76, 65, 128, 76, 65, 85, 75, 65, 218, 76, 65, 84, 73, 78, 65, 84, 197, 
-    76, 65, 84, 73, 75, 128, 76, 65, 84, 69, 82, 65, 204, 76, 65, 84, 197, 
-    76, 65, 83, 212, 76, 65, 82, 89, 78, 71, 69, 65, 204, 76, 65, 82, 71, 69, 
-    210, 76, 65, 82, 71, 69, 128, 76, 65, 82, 71, 197, 76, 65, 81, 128, 76, 
-    65, 80, 65, 81, 128, 76, 65, 80, 128, 76, 65, 78, 84, 69, 82, 78, 128, 
-    76, 65, 78, 71, 85, 65, 71, 197, 76, 65, 78, 69, 83, 128, 76, 65, 77, 69, 
-    68, 72, 128, 76, 65, 77, 69, 68, 128, 76, 65, 77, 69, 196, 76, 65, 77, 
-    69, 128, 76, 65, 77, 197, 76, 65, 77, 68, 65, 128, 76, 65, 77, 68, 128, 
-    76, 65, 77, 66, 68, 193, 76, 65, 77, 65, 68, 72, 128, 76, 65, 76, 128, 
-    76, 65, 204, 76, 65, 75, 75, 72, 65, 78, 71, 89, 65, 79, 128, 76, 65, 74, 
-    65, 78, 89, 65, 76, 65, 78, 128, 76, 65, 201, 76, 65, 72, 83, 72, 85, 
-    128, 76, 65, 72, 128, 76, 65, 71, 85, 83, 128, 76, 65, 71, 213, 76, 65, 
-    71, 65, 82, 128, 76, 65, 71, 65, 210, 76, 65, 71, 65, 66, 128, 76, 65, 
-    71, 65, 194, 76, 65, 69, 86, 128, 76, 65, 69, 128, 76, 65, 68, 217, 76, 
-    65, 67, 75, 128, 76, 65, 67, 65, 128, 76, 65, 66, 79, 85, 82, 73, 78, 71, 
-    128, 76, 65, 66, 79, 82, 128, 76, 65, 66, 73, 65, 76, 73, 90, 65, 84, 73, 
-    79, 206, 76, 65, 66, 73, 65, 204, 76, 65, 66, 65, 84, 128, 76, 65, 65, 
-    78, 65, 69, 128, 76, 65, 65, 78, 128, 76, 65, 65, 77, 85, 128, 76, 65, 
-    65, 77, 128, 76, 65, 65, 73, 128, 76, 48, 48, 54, 65, 128, 76, 48, 48, 
-    50, 65, 128, 76, 45, 84, 89, 80, 197, 76, 45, 83, 72, 65, 80, 69, 196, 
-    75, 89, 85, 82, 73, 73, 128, 75, 89, 85, 128, 75, 89, 79, 128, 75, 89, 
-    76, 73, 83, 77, 65, 128, 75, 89, 73, 128, 75, 89, 69, 128, 75, 89, 65, 
-    84, 72, 79, 211, 75, 89, 65, 65, 128, 75, 89, 65, 128, 75, 88, 87, 73, 
-    128, 75, 88, 87, 69, 69, 128, 75, 88, 87, 69, 128, 75, 88, 87, 65, 65, 
-    128, 75, 88, 87, 65, 128, 75, 88, 85, 128, 75, 88, 79, 128, 75, 88, 73, 
-    128, 75, 88, 69, 69, 128, 75, 88, 69, 128, 75, 88, 65, 65, 128, 75, 88, 
-    65, 128, 75, 87, 85, 51, 49, 56, 128, 75, 87, 79, 79, 128, 75, 87, 79, 
-    128, 75, 87, 73, 73, 128, 75, 87, 73, 128, 75, 87, 69, 69, 128, 75, 87, 
-    69, 128, 75, 87, 65, 89, 128, 75, 87, 65, 69, 84, 128, 75, 87, 65, 65, 
-    128, 75, 86, 65, 128, 75, 86, 128, 75, 85, 88, 128, 75, 85, 85, 72, 128, 
-    75, 85, 84, 128, 75, 85, 83, 77, 65, 128, 75, 85, 83, 72, 85, 50, 128, 
-    75, 85, 82, 88, 128, 75, 85, 82, 85, 90, 69, 73, 82, 79, 128, 75, 85, 82, 
-    84, 128, 75, 85, 82, 79, 79, 78, 69, 128, 75, 85, 82, 128, 75, 85, 210, 
-    75, 85, 81, 128, 75, 85, 79, 88, 128, 75, 85, 79, 80, 128, 75, 85, 79, 
-    208, 75, 85, 79, 77, 128, 75, 85, 79, 128, 75, 85, 78, 71, 128, 75, 85, 
-    78, 68, 68, 65, 76, 73, 89, 65, 128, 75, 85, 76, 128, 75, 85, 204, 75, 
-    85, 69, 84, 128, 75, 85, 55, 128, 75, 85, 52, 128, 75, 85, 180, 75, 85, 
-    51, 128, 75, 85, 179, 75, 84, 128, 75, 83, 83, 85, 85, 128, 75, 83, 83, 
-    85, 128, 75, 83, 83, 79, 79, 128, 75, 83, 83, 79, 128, 75, 83, 83, 73, 
-    73, 128, 75, 83, 83, 73, 128, 75, 83, 83, 69, 69, 128, 75, 83, 83, 69, 
-    128, 75, 83, 83, 65, 85, 128, 75, 83, 83, 65, 73, 128, 75, 83, 83, 65, 
-    65, 128, 75, 83, 83, 65, 128, 75, 83, 83, 128, 75, 83, 73, 128, 75, 82, 
-    69, 77, 65, 83, 84, 73, 128, 75, 82, 65, 84, 73, 77, 79, 89, 80, 79, 82, 
-    82, 79, 79, 78, 128, 75, 82, 65, 84, 73, 77, 79, 75, 79, 85, 70, 73, 83, 
-    77, 65, 128, 75, 82, 65, 84, 73, 77, 65, 84, 65, 128, 75, 82, 65, 84, 73, 
-    77, 193, 75, 80, 85, 128, 75, 80, 79, 81, 128, 75, 80, 79, 79, 128, 75, 
-    80, 79, 128, 75, 80, 73, 128, 75, 80, 69, 85, 88, 128, 75, 80, 69, 69, 
-    128, 75, 80, 69, 128, 75, 80, 65, 82, 65, 81, 128, 75, 80, 65, 78, 128, 
-    75, 80, 65, 128, 75, 79, 88, 128, 75, 79, 86, 85, 85, 128, 75, 79, 84, 
-    79, 128, 75, 79, 82, 85, 78, 65, 128, 75, 79, 82, 79, 78, 73, 83, 128, 
-    75, 79, 82, 69, 65, 206, 75, 79, 82, 65, 78, 73, 195, 75, 79, 81, 78, 68, 
-    79, 78, 128, 75, 79, 80, 80, 65, 128, 75, 79, 80, 128, 75, 79, 79, 80, 
-    79, 128, 75, 79, 79, 77, 85, 85, 84, 128, 75, 79, 79, 128, 75, 79, 78, 
-    84, 69, 86, 77, 65, 128, 75, 79, 78, 84, 69, 86, 77, 193, 75, 79, 77, 
-    201, 75, 79, 77, 66, 85, 86, 65, 128, 75, 79, 77, 66, 85, 86, 193, 75, 
-    79, 77, 66, 213, 75, 79, 75, 79, 128, 75, 79, 75, 128, 75, 79, 203, 75, 
+    76, 65, 128, 76, 65, 85, 75, 65, 218, 76, 65, 85, 74, 128, 76, 65, 84, 
+    73, 78, 65, 84, 197, 76, 65, 84, 73, 75, 128, 76, 65, 84, 69, 82, 65, 
+    204, 76, 65, 84, 197, 76, 65, 83, 212, 76, 65, 82, 89, 78, 71, 69, 65, 
+    204, 76, 65, 82, 71, 69, 210, 76, 65, 82, 71, 69, 128, 76, 65, 82, 71, 
+    197, 76, 65, 81, 128, 76, 65, 80, 65, 81, 128, 76, 65, 207, 76, 65, 78, 
+    84, 69, 82, 78, 128, 76, 65, 78, 71, 85, 65, 71, 197, 76, 65, 78, 69, 83, 
+    128, 76, 65, 78, 128, 76, 65, 77, 80, 128, 76, 65, 77, 69, 68, 72, 128, 
+    76, 65, 77, 69, 68, 128, 76, 65, 77, 69, 196, 76, 65, 77, 69, 128, 76, 
+    65, 77, 197, 76, 65, 77, 68, 65, 128, 76, 65, 77, 68, 128, 76, 65, 77, 
+    66, 68, 193, 76, 65, 77, 65, 68, 72, 128, 76, 65, 76, 128, 76, 65, 204, 
+    76, 65, 75, 75, 72, 65, 78, 71, 89, 65, 79, 128, 76, 65, 74, 65, 78, 89, 
+    65, 76, 65, 78, 128, 76, 65, 73, 78, 199, 76, 65, 201, 76, 65, 72, 83, 
+    72, 85, 128, 76, 65, 72, 128, 76, 65, 71, 85, 83, 128, 76, 65, 71, 213, 
+    76, 65, 71, 65, 82, 128, 76, 65, 71, 65, 210, 76, 65, 71, 65, 66, 128, 
+    76, 65, 71, 65, 194, 76, 65, 69, 86, 128, 76, 65, 69, 128, 76, 65, 68, 
+    217, 76, 65, 67, 75, 128, 76, 65, 67, 65, 128, 76, 65, 66, 79, 85, 82, 
+    73, 78, 71, 128, 76, 65, 66, 79, 82, 128, 76, 65, 66, 73, 65, 76, 73, 90, 
+    65, 84, 73, 79, 206, 76, 65, 66, 73, 65, 204, 76, 65, 66, 69, 76, 128, 
+    76, 65, 66, 65, 84, 128, 76, 65, 65, 78, 65, 69, 128, 76, 65, 65, 78, 
+    128, 76, 65, 65, 77, 85, 128, 76, 65, 65, 77, 128, 76, 65, 65, 73, 128, 
+    76, 54, 128, 76, 52, 128, 76, 51, 128, 76, 50, 128, 76, 48, 48, 54, 65, 
+    128, 76, 48, 48, 50, 65, 128, 76, 45, 84, 89, 80, 197, 76, 45, 83, 72, 
+    65, 80, 69, 196, 75, 89, 85, 82, 73, 73, 128, 75, 89, 85, 128, 75, 89, 
+    79, 128, 75, 89, 76, 73, 83, 77, 65, 128, 75, 89, 73, 128, 75, 89, 69, 
+    128, 75, 89, 65, 84, 72, 79, 211, 75, 89, 65, 65, 128, 75, 89, 65, 128, 
+    75, 88, 87, 73, 128, 75, 88, 87, 69, 69, 128, 75, 88, 87, 69, 128, 75, 
+    88, 87, 65, 65, 128, 75, 88, 87, 65, 128, 75, 88, 85, 128, 75, 88, 79, 
+    128, 75, 88, 73, 128, 75, 88, 69, 69, 128, 75, 88, 69, 128, 75, 88, 65, 
+    65, 128, 75, 88, 65, 128, 75, 87, 86, 128, 75, 87, 85, 51, 49, 56, 128, 
+    75, 87, 79, 79, 128, 75, 87, 79, 128, 75, 87, 77, 128, 75, 87, 73, 73, 
+    128, 75, 87, 73, 128, 75, 87, 69, 69, 128, 75, 87, 69, 128, 75, 87, 66, 
+    128, 75, 87, 65, 89, 128, 75, 87, 65, 69, 84, 128, 75, 87, 65, 65, 128, 
+    75, 86, 65, 128, 75, 86, 128, 75, 85, 88, 128, 75, 85, 86, 128, 75, 85, 
+    85, 72, 128, 75, 85, 84, 128, 75, 85, 83, 77, 65, 128, 75, 85, 83, 72, 
+    85, 50, 128, 75, 85, 82, 88, 128, 75, 85, 82, 85, 90, 69, 73, 82, 79, 
+    128, 75, 85, 82, 84, 128, 75, 85, 82, 79, 79, 78, 69, 128, 75, 85, 82, 
+    128, 75, 85, 210, 75, 85, 81, 128, 75, 85, 79, 88, 128, 75, 85, 79, 80, 
+    128, 75, 85, 79, 208, 75, 85, 79, 77, 128, 75, 85, 79, 128, 75, 85, 78, 
+    71, 128, 75, 85, 78, 68, 68, 65, 76, 73, 89, 65, 128, 75, 85, 76, 128, 
+    75, 85, 204, 75, 85, 71, 128, 75, 85, 69, 84, 128, 75, 85, 66, 128, 75, 
+    85, 65, 86, 128, 75, 85, 65, 66, 128, 75, 85, 65, 128, 75, 85, 55, 128, 
+    75, 85, 52, 128, 75, 85, 180, 75, 85, 51, 128, 75, 85, 179, 75, 84, 128, 
+    75, 83, 83, 85, 85, 128, 75, 83, 83, 85, 128, 75, 83, 83, 79, 79, 128, 
+    75, 83, 83, 79, 128, 75, 83, 83, 73, 73, 128, 75, 83, 83, 73, 128, 75, 
+    83, 83, 69, 69, 128, 75, 83, 83, 69, 128, 75, 83, 83, 65, 85, 128, 75, 
+    83, 83, 65, 73, 128, 75, 83, 83, 65, 65, 128, 75, 83, 83, 65, 128, 75, 
+    83, 83, 128, 75, 83, 73, 128, 75, 82, 69, 77, 65, 83, 84, 73, 128, 75, 
+    82, 65, 84, 73, 77, 79, 89, 80, 79, 82, 82, 79, 79, 78, 128, 75, 82, 65, 
+    84, 73, 77, 79, 75, 79, 85, 70, 73, 83, 77, 65, 128, 75, 82, 65, 84, 73, 
+    77, 65, 84, 65, 128, 75, 82, 65, 84, 73, 77, 193, 75, 80, 85, 128, 75, 
+    80, 79, 81, 128, 75, 80, 79, 79, 128, 75, 80, 79, 128, 75, 80, 73, 128, 
+    75, 80, 69, 85, 88, 128, 75, 80, 69, 69, 128, 75, 80, 69, 128, 75, 80, 
+    65, 82, 65, 81, 128, 75, 80, 65, 78, 128, 75, 80, 65, 72, 128, 75, 80, 
+    65, 128, 75, 79, 88, 128, 75, 79, 86, 85, 85, 128, 75, 79, 86, 128, 75, 
+    79, 84, 79, 128, 75, 79, 82, 85, 78, 65, 128, 75, 79, 82, 79, 78, 73, 83, 
+    128, 75, 79, 82, 69, 65, 206, 75, 79, 82, 65, 78, 73, 195, 75, 79, 81, 
+    78, 68, 79, 78, 128, 75, 79, 80, 80, 65, 128, 75, 79, 80, 128, 75, 79, 
+    79, 86, 128, 75, 79, 79, 80, 79, 128, 75, 79, 79, 77, 85, 85, 84, 128, 
+    75, 79, 79, 66, 128, 75, 79, 79, 128, 75, 79, 78, 84, 69, 86, 77, 65, 
+    128, 75, 79, 78, 84, 69, 86, 77, 193, 75, 79, 77, 201, 75, 79, 77, 66, 
+    85, 86, 65, 128, 75, 79, 77, 66, 85, 86, 193, 75, 79, 77, 66, 213, 75, 
+    79, 75, 79, 128, 75, 79, 75, 69, 128, 75, 79, 75, 128, 75, 79, 203, 75, 
     79, 73, 128, 75, 79, 201, 75, 79, 72, 128, 75, 79, 71, 72, 79, 77, 128, 
-    75, 79, 69, 84, 128, 75, 79, 65, 76, 65, 128, 75, 79, 65, 128, 75, 78, 
-    73, 71, 72, 84, 128, 75, 78, 73, 71, 72, 212, 75, 78, 73, 70, 69, 128, 
-    75, 78, 73, 70, 197, 75, 77, 128, 75, 205, 75, 76, 73, 84, 79, 78, 128, 
-    75, 76, 65, 83, 77, 65, 128, 75, 76, 65, 83, 77, 193, 75, 76, 65, 128, 
-    75, 76, 128, 75, 75, 85, 128, 75, 75, 79, 128, 75, 75, 73, 128, 75, 75, 
-    69, 69, 128, 75, 75, 69, 128, 75, 75, 65, 128, 75, 75, 128, 75, 74, 69, 
-    128, 75, 73, 89, 69, 79, 75, 45, 84, 73, 75, 69, 85, 84, 128, 75, 73, 89, 
-    69, 79, 75, 45, 83, 73, 79, 83, 45, 75, 73, 89, 69, 79, 75, 128, 75, 73, 
-    89, 69, 79, 75, 45, 82, 73, 69, 85, 76, 128, 75, 73, 89, 69, 79, 75, 45, 
-    80, 73, 69, 85, 80, 128, 75, 73, 89, 69, 79, 75, 45, 78, 73, 69, 85, 78, 
-    128, 75, 73, 89, 69, 79, 75, 45, 75, 72, 73, 69, 85, 75, 72, 128, 75, 73, 
-    89, 69, 79, 75, 45, 67, 72, 73, 69, 85, 67, 72, 128, 75, 73, 89, 69, 79, 
-    203, 75, 73, 88, 128, 75, 73, 84, 128, 75, 73, 83, 83, 73, 78, 199, 75, 
-    73, 83, 83, 128, 75, 73, 83, 211, 75, 73, 83, 73, 77, 53, 128, 75, 73, 
-    83, 73, 77, 181, 75, 73, 83, 72, 128, 75, 73, 83, 65, 76, 128, 75, 73, 
-    82, 79, 87, 65, 84, 84, 79, 128, 75, 73, 82, 79, 77, 69, 69, 84, 79, 82, 
-    85, 128, 75, 73, 82, 79, 71, 85, 82, 65, 77, 85, 128, 75, 73, 82, 79, 
-    128, 75, 73, 82, 71, 72, 73, 218, 75, 73, 81, 128, 75, 73, 80, 128, 75, 
-    73, 208, 75, 73, 78, 83, 72, 73, 80, 128, 75, 73, 78, 68, 69, 82, 71, 65, 
-    82, 84, 69, 78, 128, 75, 73, 77, 79, 78, 79, 128, 75, 73, 73, 128, 75, 
-    73, 72, 128, 75, 73, 69, 88, 128, 75, 73, 69, 80, 128, 75, 73, 69, 69, 
-    77, 128, 75, 73, 69, 128, 75, 73, 68, 128, 75, 73, 196, 75, 73, 67, 75, 
-    128, 75, 72, 90, 128, 75, 72, 87, 65, 73, 128, 75, 72, 85, 69, 78, 45, 
-    76, 85, 197, 75, 72, 85, 69, 206, 75, 72, 85, 68, 65, 77, 128, 75, 72, 
-    85, 65, 84, 128, 75, 72, 79, 85, 128, 75, 72, 79, 212, 75, 72, 79, 78, 
-    128, 75, 72, 79, 77, 85, 84, 128, 75, 72, 79, 128, 75, 72, 207, 75, 72, 
-    77, 213, 75, 72, 73, 84, 128, 75, 72, 73, 78, 89, 65, 128, 75, 72, 73, 
-    69, 85, 75, 200, 75, 72, 73, 128, 75, 72, 72, 79, 128, 75, 72, 72, 65, 
-    128, 75, 72, 69, 84, 72, 128, 75, 72, 69, 73, 128, 75, 72, 69, 69, 128, 
-    75, 72, 69, 128, 75, 72, 65, 82, 79, 83, 72, 84, 72, 201, 75, 72, 65, 82, 
-    128, 75, 72, 65, 80, 72, 128, 75, 72, 65, 78, 199, 75, 72, 65, 78, 68, 
-    193, 75, 72, 65, 78, 128, 75, 72, 65, 77, 84, 201, 75, 72, 65, 75, 65, 
-    83, 83, 73, 65, 206, 75, 72, 65, 73, 128, 75, 72, 65, 72, 128, 75, 72, 
-    65, 200, 75, 72, 65, 65, 128, 75, 71, 128, 75, 69, 89, 67, 65, 80, 128, 
-    75, 69, 89, 67, 65, 208, 75, 69, 89, 66, 79, 65, 82, 68, 128, 75, 69, 88, 
-    128, 75, 69, 85, 89, 69, 85, 88, 128, 75, 69, 85, 83, 72, 69, 85, 65, 69, 
-    80, 128, 75, 69, 85, 83, 69, 85, 88, 128, 75, 69, 85, 80, 85, 81, 128, 
-    75, 69, 85, 79, 212, 75, 69, 85, 77, 128, 75, 69, 85, 75, 69, 85, 84, 78, 
-    68, 65, 128, 75, 69, 85, 75, 65, 81, 128, 75, 69, 85, 65, 69, 84, 77, 69, 
-    85, 78, 128, 75, 69, 85, 65, 69, 82, 73, 128, 75, 69, 84, 84, 201, 75, 
-    69, 83, 72, 50, 128, 75, 69, 82, 69, 84, 128, 75, 69, 79, 87, 128, 75, 
-    69, 78, 84, 73, 77, 65, 84, 65, 128, 75, 69, 78, 84, 73, 77, 65, 84, 193, 
-    75, 69, 78, 84, 73, 77, 193, 75, 69, 78, 65, 84, 128, 75, 69, 78, 128, 
-    75, 69, 206, 75, 69, 77, 80, 85, 76, 128, 75, 69, 77, 80, 85, 204, 75, 
-    69, 77, 80, 76, 73, 128, 75, 69, 77, 80, 76, 201, 75, 69, 77, 80, 72, 82, 
-    69, 78, 71, 128, 75, 69, 77, 66, 65, 78, 71, 128, 75, 69, 76, 86, 73, 
-    206, 75, 69, 72, 69, 72, 128, 75, 69, 72, 69, 200, 75, 69, 72, 128, 75, 
-    69, 70, 85, 76, 65, 128, 75, 69, 69, 83, 85, 128, 75, 69, 69, 80, 73, 78, 
-    199, 75, 69, 69, 78, 71, 128, 75, 67, 65, 76, 128, 75, 66, 128, 75, 65, 
-    90, 65, 75, 200, 75, 65, 89, 65, 78, 78, 65, 128, 75, 65, 89, 65, 200, 
-    75, 65, 88, 128, 75, 65, 87, 73, 128, 75, 65, 86, 89, 75, 65, 128, 75, 
-    65, 85, 78, 65, 128, 75, 65, 85, 206, 75, 65, 85, 128, 75, 65, 84, 79, 
-    128, 75, 65, 84, 72, 73, 83, 84, 73, 128, 75, 65, 84, 72, 65, 75, 193, 
-    75, 65, 84, 65, 86, 65, 83, 77, 65, 128, 75, 65, 84, 65, 86, 193, 75, 65, 
-    84, 65, 75, 65, 78, 65, 45, 72, 73, 82, 65, 71, 65, 78, 193, 75, 65, 83, 
-    82, 65, 84, 65, 78, 128, 75, 65, 83, 82, 65, 84, 65, 206, 75, 65, 83, 82, 
-    65, 128, 75, 65, 83, 82, 193, 75, 65, 83, 75, 65, 76, 128, 75, 65, 83, 
-    75, 65, 204, 75, 65, 83, 72, 77, 73, 82, 201, 75, 65, 82, 83, 72, 65, 78, 
-    65, 128, 75, 65, 82, 79, 82, 73, 73, 128, 75, 65, 82, 207, 75, 65, 82, 
-    69, 206, 75, 65, 82, 65, 84, 84, 79, 128, 75, 65, 82, 65, 78, 128, 75, 
-    65, 80, 89, 69, 79, 85, 78, 83, 83, 65, 78, 71, 80, 73, 69, 85, 80, 128, 
-    75, 65, 80, 89, 69, 79, 85, 78, 82, 73, 69, 85, 76, 128, 75, 65, 80, 89, 
-    69, 79, 85, 78, 80, 72, 73, 69, 85, 80, 72, 128, 75, 65, 80, 89, 69, 79, 
-    85, 78, 77, 73, 69, 85, 77, 128, 75, 65, 80, 80, 65, 128, 75, 65, 80, 80, 
-    193, 75, 65, 80, 79, 128, 75, 65, 80, 72, 128, 75, 65, 80, 65, 76, 128, 
-    75, 65, 80, 65, 128, 75, 65, 78, 84, 65, 74, 193, 75, 65, 78, 71, 128, 
-    75, 65, 78, 199, 75, 65, 78, 65, 75, 79, 128, 75, 65, 77, 52, 128, 75, 
-    65, 77, 50, 128, 75, 65, 77, 128, 75, 65, 75, 79, 128, 75, 65, 75, 65, 
-    66, 65, 84, 128, 75, 65, 75, 128, 75, 65, 203, 75, 65, 73, 84, 72, 201, 
-    75, 65, 73, 82, 73, 128, 75, 65, 73, 128, 75, 65, 201, 75, 65, 70, 65, 
-    128, 75, 65, 70, 128, 75, 65, 198, 75, 65, 68, 53, 128, 75, 65, 68, 181, 
-    75, 65, 68, 52, 128, 75, 65, 68, 51, 128, 75, 65, 68, 179, 75, 65, 68, 
-    50, 128, 75, 65, 68, 128, 75, 65, 66, 193, 75, 65, 66, 128, 75, 65, 65, 
-    73, 128, 75, 65, 65, 70, 85, 128, 75, 65, 65, 70, 128, 75, 65, 50, 128, 
+    75, 79, 69, 84, 128, 75, 79, 66, 128, 75, 79, 65, 76, 65, 128, 75, 79, 
+    65, 128, 75, 78, 79, 66, 83, 128, 75, 78, 73, 71, 72, 84, 128, 75, 78, 
+    73, 71, 72, 212, 75, 78, 73, 70, 69, 128, 75, 78, 73, 70, 197, 75, 77, 
+    128, 75, 205, 75, 76, 73, 84, 79, 78, 128, 75, 76, 65, 83, 77, 65, 128, 
+    75, 76, 65, 83, 77, 193, 75, 76, 65, 128, 75, 76, 128, 75, 75, 85, 128, 
+    75, 75, 79, 128, 75, 75, 73, 128, 75, 75, 69, 69, 128, 75, 75, 69, 128, 
+    75, 75, 65, 128, 75, 75, 128, 75, 74, 69, 128, 75, 73, 89, 69, 79, 75, 
+    45, 84, 73, 75, 69, 85, 84, 128, 75, 73, 89, 69, 79, 75, 45, 83, 73, 79, 
+    83, 45, 75, 73, 89, 69, 79, 75, 128, 75, 73, 89, 69, 79, 75, 45, 82, 73, 
+    69, 85, 76, 128, 75, 73, 89, 69, 79, 75, 45, 80, 73, 69, 85, 80, 128, 75, 
+    73, 89, 69, 79, 75, 45, 78, 73, 69, 85, 78, 128, 75, 73, 89, 69, 79, 75, 
+    45, 75, 72, 73, 69, 85, 75, 72, 128, 75, 73, 89, 69, 79, 75, 45, 67, 72, 
+    73, 69, 85, 67, 72, 128, 75, 73, 89, 69, 79, 203, 75, 73, 88, 128, 75, 
+    73, 87, 128, 75, 73, 86, 128, 75, 73, 84, 128, 75, 73, 83, 83, 73, 78, 
+    199, 75, 73, 83, 83, 128, 75, 73, 83, 211, 75, 73, 83, 73, 77, 53, 128, 
+    75, 73, 83, 73, 77, 181, 75, 73, 83, 72, 128, 75, 73, 83, 65, 76, 128, 
+    75, 73, 82, 79, 87, 65, 84, 84, 79, 128, 75, 73, 82, 79, 77, 69, 69, 84, 
+    79, 82, 85, 128, 75, 73, 82, 79, 71, 85, 82, 65, 77, 85, 128, 75, 73, 82, 
+    79, 128, 75, 73, 82, 71, 72, 73, 218, 75, 73, 81, 128, 75, 73, 80, 128, 
+    75, 73, 208, 75, 73, 78, 83, 72, 73, 80, 128, 75, 73, 78, 68, 69, 82, 71, 
+    65, 82, 84, 69, 78, 128, 75, 73, 77, 79, 78, 79, 128, 75, 73, 73, 128, 
+    75, 73, 72, 128, 75, 73, 69, 88, 128, 75, 73, 69, 80, 128, 75, 73, 69, 
+    69, 77, 128, 75, 73, 69, 128, 75, 73, 68, 128, 75, 73, 196, 75, 73, 67, 
+    75, 128, 75, 73, 66, 128, 75, 73, 65, 86, 128, 75, 73, 65, 66, 128, 75, 
+    72, 90, 128, 75, 72, 87, 65, 73, 128, 75, 72, 85, 69, 78, 45, 76, 85, 
+    197, 75, 72, 85, 69, 206, 75, 72, 85, 68, 65, 87, 65, 68, 201, 75, 72, 
+    85, 68, 65, 77, 128, 75, 72, 85, 65, 84, 128, 75, 72, 79, 85, 128, 75, 
+    72, 79, 212, 75, 72, 79, 78, 128, 75, 72, 79, 77, 85, 84, 128, 75, 72, 
+    79, 74, 75, 201, 75, 72, 79, 128, 75, 72, 207, 75, 72, 77, 213, 75, 72, 
+    73, 84, 128, 75, 72, 73, 78, 89, 65, 128, 75, 72, 73, 69, 85, 75, 200, 
+    75, 72, 73, 128, 75, 72, 201, 75, 72, 72, 79, 128, 75, 72, 72, 65, 128, 
+    75, 72, 69, 84, 72, 128, 75, 72, 69, 73, 128, 75, 72, 69, 69, 128, 75, 
+    72, 69, 128, 75, 72, 65, 86, 128, 75, 72, 65, 82, 79, 83, 72, 84, 72, 
+    201, 75, 72, 65, 82, 128, 75, 72, 65, 80, 72, 128, 75, 72, 65, 78, 199, 
+    75, 72, 65, 78, 68, 193, 75, 72, 65, 78, 128, 75, 72, 65, 77, 84, 201, 
+    75, 72, 65, 75, 65, 83, 83, 73, 65, 206, 75, 72, 65, 73, 128, 75, 72, 65, 
+    72, 128, 75, 72, 65, 200, 75, 72, 65, 66, 128, 75, 72, 65, 65, 128, 75, 
+    71, 128, 75, 69, 89, 67, 65, 80, 128, 75, 69, 89, 67, 65, 208, 75, 69, 
+    89, 66, 79, 65, 82, 68, 128, 75, 69, 89, 66, 79, 65, 82, 196, 75, 69, 88, 
+    128, 75, 69, 86, 128, 75, 69, 85, 89, 69, 85, 88, 128, 75, 69, 85, 83, 
+    72, 69, 85, 65, 69, 80, 128, 75, 69, 85, 83, 69, 85, 88, 128, 75, 69, 85, 
+    80, 85, 81, 128, 75, 69, 85, 79, 212, 75, 69, 85, 77, 128, 75, 69, 85, 
+    75, 69, 85, 84, 78, 68, 65, 128, 75, 69, 85, 75, 65, 81, 128, 75, 69, 85, 
+    65, 69, 84, 77, 69, 85, 78, 128, 75, 69, 85, 65, 69, 82, 73, 128, 75, 69, 
+    84, 84, 201, 75, 69, 83, 72, 50, 128, 75, 69, 82, 69, 84, 128, 75, 69, 
+    79, 87, 128, 75, 69, 78, 84, 73, 77, 65, 84, 65, 128, 75, 69, 78, 84, 73, 
+    77, 65, 84, 193, 75, 69, 78, 84, 73, 77, 193, 75, 69, 78, 65, 84, 128, 
+    75, 69, 78, 128, 75, 69, 206, 75, 69, 77, 80, 85, 76, 128, 75, 69, 77, 
+    80, 85, 204, 75, 69, 77, 80, 76, 73, 128, 75, 69, 77, 80, 76, 201, 75, 
+    69, 77, 80, 72, 82, 69, 78, 71, 128, 75, 69, 77, 66, 65, 78, 71, 128, 75, 
+    69, 76, 86, 73, 206, 75, 69, 72, 69, 72, 128, 75, 69, 72, 69, 200, 75, 
+    69, 72, 128, 75, 69, 70, 85, 76, 65, 128, 75, 69, 69, 86, 128, 75, 69, 
+    69, 83, 85, 128, 75, 69, 69, 80, 73, 78, 199, 75, 69, 69, 78, 71, 128, 
+    75, 69, 69, 66, 128, 75, 69, 66, 128, 75, 69, 65, 65, 69, 128, 75, 67, 
+    65, 76, 128, 75, 66, 128, 75, 65, 90, 65, 75, 200, 75, 65, 89, 65, 78, 
+    78, 65, 128, 75, 65, 89, 65, 200, 75, 65, 88, 128, 75, 65, 87, 86, 128, 
+    75, 65, 87, 73, 128, 75, 65, 87, 66, 128, 75, 65, 86, 89, 75, 65, 128, 
+    75, 65, 86, 128, 75, 65, 85, 86, 128, 75, 65, 85, 78, 65, 128, 75, 65, 
+    85, 206, 75, 65, 85, 66, 128, 75, 65, 84, 79, 128, 75, 65, 84, 72, 73, 
+    83, 84, 73, 128, 75, 65, 84, 72, 65, 75, 193, 75, 65, 84, 65, 86, 65, 83, 
+    77, 65, 128, 75, 65, 84, 65, 86, 193, 75, 65, 84, 65, 75, 65, 78, 65, 45, 
+    72, 73, 82, 65, 71, 65, 78, 193, 75, 65, 83, 82, 65, 84, 65, 78, 128, 75, 
+    65, 83, 82, 65, 84, 65, 206, 75, 65, 83, 82, 65, 128, 75, 65, 83, 82, 
+    193, 75, 65, 83, 75, 65, 76, 128, 75, 65, 83, 75, 65, 204, 75, 65, 83, 
+    72, 77, 73, 82, 201, 75, 65, 82, 83, 72, 65, 78, 65, 128, 75, 65, 82, 79, 
+    82, 73, 73, 128, 75, 65, 82, 207, 75, 65, 82, 69, 206, 75, 65, 82, 65, 
+    84, 84, 79, 128, 75, 65, 82, 65, 78, 128, 75, 65, 80, 89, 69, 79, 85, 78, 
+    83, 83, 65, 78, 71, 80, 73, 69, 85, 80, 128, 75, 65, 80, 89, 69, 79, 85, 
+    78, 82, 73, 69, 85, 76, 128, 75, 65, 80, 89, 69, 79, 85, 78, 80, 72, 73, 
+    69, 85, 80, 72, 128, 75, 65, 80, 89, 69, 79, 85, 78, 77, 73, 69, 85, 77, 
+    128, 75, 65, 80, 80, 65, 128, 75, 65, 80, 80, 193, 75, 65, 80, 79, 128, 
+    75, 65, 80, 72, 128, 75, 65, 80, 65, 76, 128, 75, 65, 80, 65, 128, 75, 
+    65, 208, 75, 65, 78, 84, 65, 74, 193, 75, 65, 78, 71, 128, 75, 65, 78, 
+    199, 75, 65, 78, 65, 75, 79, 128, 75, 65, 77, 52, 128, 75, 65, 77, 50, 
+    128, 75, 65, 77, 128, 75, 65, 75, 79, 128, 75, 65, 75, 65, 66, 65, 84, 
+    128, 75, 65, 75, 128, 75, 65, 203, 75, 65, 73, 86, 128, 75, 65, 73, 84, 
+    72, 201, 75, 65, 73, 82, 73, 128, 75, 65, 73, 66, 128, 75, 65, 73, 128, 
+    75, 65, 201, 75, 65, 70, 65, 128, 75, 65, 70, 128, 75, 65, 198, 75, 65, 
+    68, 53, 128, 75, 65, 68, 181, 75, 65, 68, 52, 128, 75, 65, 68, 51, 128, 
+    75, 65, 68, 179, 75, 65, 68, 50, 128, 75, 65, 68, 128, 75, 65, 66, 193, 
+    75, 65, 66, 128, 75, 65, 65, 86, 128, 75, 65, 65, 73, 128, 75, 65, 65, 
+    70, 85, 128, 75, 65, 65, 70, 128, 75, 65, 65, 66, 128, 75, 65, 50, 128, 
     75, 65, 178, 75, 48, 48, 56, 128, 75, 48, 48, 55, 128, 75, 48, 48, 54, 
     128, 75, 48, 48, 53, 128, 75, 48, 48, 52, 128, 75, 48, 48, 51, 128, 75, 
     48, 48, 50, 128, 75, 48, 48, 49, 128, 74, 87, 65, 128, 74, 85, 85, 128, 
@@ -2319,1509 +2488,1538 @@ static unsigned char lexicon[] = {
     74, 85, 80, 73, 84, 69, 82, 128, 74, 85, 79, 84, 128, 74, 85, 79, 80, 
     128, 74, 85, 78, 79, 128, 74, 85, 78, 69, 128, 74, 85, 76, 89, 128, 74, 
     85, 69, 85, 73, 128, 74, 85, 68, 85, 76, 128, 74, 85, 68, 71, 69, 128, 
-    74, 85, 68, 69, 79, 45, 83, 80, 65, 78, 73, 83, 200, 74, 79, 89, 79, 85, 
-    211, 74, 79, 89, 128, 74, 79, 86, 69, 128, 74, 79, 212, 74, 79, 78, 71, 
-    128, 74, 79, 78, 193, 74, 79, 75, 69, 82, 128, 74, 79, 73, 78, 69, 68, 
-    128, 74, 79, 73, 78, 128, 74, 79, 65, 128, 74, 74, 89, 88, 128, 74, 74, 
-    89, 84, 128, 74, 74, 89, 80, 128, 74, 74, 89, 128, 74, 74, 85, 88, 128, 
-    74, 74, 85, 84, 128, 74, 74, 85, 82, 88, 128, 74, 74, 85, 82, 128, 74, 
-    74, 85, 80, 128, 74, 74, 85, 79, 88, 128, 74, 74, 85, 79, 80, 128, 74, 
-    74, 85, 79, 128, 74, 74, 85, 128, 74, 74, 79, 88, 128, 74, 74, 79, 84, 
-    128, 74, 74, 79, 80, 128, 74, 74, 79, 128, 74, 74, 73, 88, 128, 74, 74, 
-    73, 84, 128, 74, 74, 73, 80, 128, 74, 74, 73, 69, 88, 128, 74, 74, 73, 
-    69, 84, 128, 74, 74, 73, 69, 80, 128, 74, 74, 73, 69, 128, 74, 74, 73, 
-    128, 74, 74, 69, 69, 128, 74, 74, 69, 128, 74, 74, 65, 128, 74, 73, 76, 
-    128, 74, 73, 73, 128, 74, 73, 72, 86, 65, 77, 85, 76, 73, 89, 65, 128, 
-    74, 73, 65, 128, 74, 72, 79, 128, 74, 72, 69, 72, 128, 74, 72, 65, 78, 
-    128, 74, 72, 65, 77, 128, 74, 72, 65, 65, 128, 74, 72, 65, 128, 74, 69, 
-    85, 128, 74, 69, 82, 85, 83, 65, 76, 69, 77, 128, 74, 69, 82, 65, 206, 
-    74, 69, 82, 65, 128, 74, 69, 82, 128, 74, 69, 72, 128, 74, 69, 200, 74, 
-    69, 71, 79, 71, 65, 78, 128, 74, 69, 69, 77, 128, 74, 69, 65, 78, 83, 
-    128, 74, 65, 89, 65, 78, 78, 65, 128, 74, 65, 86, 73, 89, 65, 78, 73, 
-    128, 74, 65, 85, 128, 74, 65, 82, 128, 74, 65, 80, 65, 78, 69, 83, 197, 
-    74, 65, 80, 65, 78, 128, 74, 65, 78, 85, 65, 82, 89, 128, 74, 65, 76, 76, 
-    65, 74, 65, 76, 65, 76, 79, 85, 72, 79, 85, 128, 74, 65, 73, 128, 74, 65, 
-    72, 128, 74, 65, 68, 69, 128, 74, 65, 67, 75, 45, 79, 45, 76, 65, 78, 84, 
-    69, 82, 78, 128, 74, 65, 67, 203, 74, 45, 83, 73, 77, 80, 76, 73, 70, 73, 
-    69, 196, 202, 73, 90, 72, 73, 84, 83, 65, 128, 73, 90, 72, 73, 84, 83, 
-    193, 73, 90, 72, 69, 128, 73, 90, 65, 75, 65, 89, 193, 73, 89, 69, 75, 
-    128, 73, 89, 65, 78, 78, 65, 128, 73, 85, 74, 65, 128, 73, 85, 128, 73, 
-    84, 211, 73, 84, 69, 82, 65, 84, 73, 79, 206, 73, 84, 69, 77, 128, 73, 
-    83, 83, 72, 65, 82, 128, 73, 83, 79, 78, 128, 73, 83, 79, 206, 73, 83, 
-    79, 76, 65, 84, 69, 128, 73, 83, 69, 78, 45, 73, 83, 69, 78, 128, 73, 83, 
-    65, 75, 73, 193, 73, 83, 45, 80, 73, 76, 76, 65, 128, 73, 82, 85, 89, 65, 
-    78, 78, 65, 128, 73, 82, 85, 85, 89, 65, 78, 78, 65, 128, 73, 82, 79, 78, 
-    45, 67, 79, 80, 80, 69, 210, 73, 82, 79, 78, 128, 73, 79, 84, 73, 70, 73, 
-    69, 196, 73, 79, 84, 65, 84, 69, 196, 73, 79, 84, 65, 128, 73, 79, 84, 
-    193, 73, 79, 82, 128, 73, 79, 68, 72, 65, 68, 72, 128, 73, 78, 86, 73, 
-    83, 73, 66, 76, 197, 73, 78, 86, 69, 82, 84, 69, 68, 128, 73, 78, 86, 69, 
-    82, 84, 69, 196, 73, 78, 86, 69, 82, 83, 197, 73, 78, 84, 82, 79, 68, 85, 
-    67, 69, 82, 128, 73, 78, 84, 73, 128, 73, 78, 84, 69, 82, 83, 89, 76, 76, 
-    65, 66, 73, 195, 73, 78, 84, 69, 82, 83, 69, 67, 84, 73, 79, 78, 128, 73, 
-    78, 84, 69, 82, 83, 69, 67, 84, 73, 79, 206, 73, 78, 84, 69, 82, 83, 69, 
-    67, 84, 73, 78, 199, 73, 78, 84, 69, 82, 82, 79, 66, 65, 78, 71, 128, 73, 
-    78, 84, 69, 82, 80, 79, 76, 65, 84, 73, 79, 206, 73, 78, 84, 69, 82, 76, 
-    79, 67, 75, 69, 196, 73, 78, 84, 69, 82, 76, 73, 78, 69, 65, 210, 73, 78, 
-    84, 69, 82, 76, 65, 67, 69, 196, 73, 78, 84, 69, 82, 73, 79, 210, 73, 78, 
-    84, 69, 82, 69, 83, 212, 73, 78, 84, 69, 82, 67, 65, 76, 65, 84, 69, 128, 
-    73, 78, 84, 69, 71, 82, 65, 84, 73, 79, 78, 128, 73, 78, 84, 69, 71, 82, 
-    65, 84, 73, 79, 206, 73, 78, 84, 69, 71, 82, 65, 76, 128, 73, 78, 84, 69, 
-    71, 82, 65, 204, 73, 78, 83, 85, 76, 65, 210, 73, 78, 83, 84, 82, 85, 77, 
-    69, 78, 84, 65, 204, 73, 78, 83, 73, 68, 69, 128, 73, 78, 83, 69, 82, 84, 
-    73, 79, 206, 73, 78, 83, 69, 67, 84, 128, 73, 78, 83, 67, 82, 73, 80, 84, 
-    73, 79, 78, 65, 204, 73, 78, 80, 85, 212, 73, 78, 78, 79, 67, 69, 78, 67, 
-    69, 128, 73, 78, 78, 78, 128, 73, 78, 78, 69, 82, 128, 73, 78, 78, 69, 
-    210, 73, 78, 78, 128, 73, 78, 73, 78, 71, 85, 128, 73, 78, 73, 128, 73, 
-    78, 72, 73, 66, 73, 212, 73, 78, 72, 69, 82, 69, 78, 212, 73, 78, 71, 87, 
-    65, 90, 128, 73, 78, 70, 79, 82, 77, 65, 84, 73, 79, 206, 73, 78, 70, 76, 
-    85, 69, 78, 67, 69, 128, 73, 78, 70, 73, 78, 73, 84, 89, 128, 73, 78, 70, 
-    73, 78, 73, 84, 217, 73, 78, 68, 85, 83, 84, 82, 73, 65, 204, 73, 78, 68, 
-    73, 82, 69, 67, 212, 73, 78, 68, 73, 67, 65, 84, 79, 82, 128, 73, 78, 68, 
-    73, 67, 65, 84, 79, 210, 73, 78, 68, 73, 195, 73, 78, 68, 73, 65, 206, 
-    73, 78, 68, 69, 88, 128, 73, 78, 68, 69, 80, 69, 78, 68, 69, 78, 212, 73, 
-    78, 67, 82, 69, 77, 69, 78, 84, 128, 73, 78, 67, 82, 69, 65, 83, 69, 211, 
-    73, 78, 67, 82, 69, 65, 83, 69, 128, 73, 78, 67, 79, 77, 80, 76, 69, 84, 
-    197, 73, 78, 67, 79, 77, 73, 78, 199, 73, 78, 67, 76, 85, 68, 73, 78, 
-    199, 73, 78, 67, 72, 128, 73, 78, 66, 79, 216, 73, 78, 65, 80, 128, 73, 
-    78, 45, 65, 76, 65, 70, 128, 73, 77, 80, 69, 82, 73, 65, 204, 73, 77, 80, 
-    69, 82, 70, 69, 67, 84, 85, 205, 73, 77, 80, 69, 82, 70, 69, 67, 84, 65, 
-    128, 73, 77, 80, 69, 82, 70, 69, 67, 84, 193, 73, 77, 78, 128, 73, 77, 
-    73, 83, 69, 79, 211, 73, 77, 73, 78, 51, 128, 73, 77, 73, 78, 128, 73, 
-    77, 73, 206, 73, 77, 73, 70, 84, 72, 79, 82, 79, 78, 128, 73, 77, 73, 70, 
-    84, 72, 79, 82, 65, 128, 73, 77, 73, 70, 79, 78, 79, 78, 128, 73, 77, 73, 
-    68, 73, 65, 82, 71, 79, 78, 128, 73, 77, 65, 71, 197, 73, 76, 85, 89, 65, 
-    78, 78, 65, 128, 73, 76, 85, 89, 128, 73, 76, 85, 85, 89, 65, 78, 78, 65, 
-    128, 73, 76, 85, 84, 128, 73, 76, 73, 77, 77, 85, 52, 128, 73, 76, 73, 
-    77, 77, 85, 51, 128, 73, 76, 73, 77, 77, 85, 128, 73, 76, 73, 77, 77, 
-    213, 73, 76, 50, 128, 73, 75, 65, 82, 65, 128, 73, 75, 65, 82, 193, 73, 
-    74, 128, 73, 73, 89, 65, 78, 78, 65, 128, 73, 71, 73, 128, 73, 71, 201, 
-    73, 71, 71, 87, 83, 128, 73, 70, 73, 78, 128, 73, 69, 85, 78, 71, 45, 84, 
-    73, 75, 69, 85, 84, 128, 73, 69, 85, 78, 71, 45, 84, 72, 73, 69, 85, 84, 
-    72, 128, 73, 69, 85, 78, 71, 45, 83, 83, 65, 78, 71, 75, 73, 89, 69, 79, 
-    75, 128, 73, 69, 85, 78, 71, 45, 82, 73, 69, 85, 76, 128, 73, 69, 85, 78, 
-    71, 45, 80, 73, 69, 85, 80, 128, 73, 69, 85, 78, 71, 45, 80, 72, 73, 69, 
-    85, 80, 72, 128, 73, 69, 85, 78, 71, 45, 75, 73, 89, 69, 79, 75, 128, 73, 
-    69, 85, 78, 71, 45, 75, 72, 73, 69, 85, 75, 72, 128, 73, 69, 85, 78, 71, 
-    45, 67, 73, 69, 85, 67, 128, 73, 69, 85, 78, 71, 45, 67, 72, 73, 69, 85, 
-    67, 72, 128, 73, 69, 85, 78, 199, 73, 68, 76, 69, 128, 73, 68, 73, 77, 
-    128, 73, 68, 73, 205, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 68, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 68, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 68, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 68, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 68, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 68, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 68, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 68, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 68, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 68, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 67, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 67, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 
-    68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 66, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 67, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 67, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 67, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 
-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 53, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 67, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 67, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 67, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 
-    49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 67, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 70, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 66, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 66, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 66, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 
-    66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 66, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 66, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 66, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 
-    53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 66, 51, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 66, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 66, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 66, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 
-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 68, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 65, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 65, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 65, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 65, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 65, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 65, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 65, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 65, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 57, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 57, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 
-    68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 66, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 57, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 57, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 57, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 
-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 53, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 57, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 57, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 57, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 
-    49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 57, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 70, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 56, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 56, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 56, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 
-    66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 56, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 56, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 56, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 
-    53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 56, 51, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 56, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 56, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 56, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 
-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 68, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 55, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 55, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 55, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 55, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 55, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 55, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 55, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 55, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 54, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 54, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 54, 
-    66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 54, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 54, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 54, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 54, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 54, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 54, 
-    53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 54, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 54, 51, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 54, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 54, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 54, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 
-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 68, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 53, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 53, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 53, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 53, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 53, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 53, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 53, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 53, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 52, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 52, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 
-    68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 66, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 52, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 52, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 52, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 
-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 53, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 52, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 52, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 52, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 
-    49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 52, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 70, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 51, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 51, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 51, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 
-    66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 51, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 51, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 51, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 
-    53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 51, 51, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 51, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 51, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 51, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 
-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 68, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 50, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 50, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 50, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 50, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 50, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 50, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 50, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 50, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 49, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 49, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 
-    68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 66, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 49, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 49, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 49, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 
-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 53, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 65, 49, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 65, 49, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 65, 49, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 
-    49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 49, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 65, 48, 70, 128, 73, 68, 69, 79, 
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-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 57, 50, 128, 73, 
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-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 56, 54, 128, 73, 
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-    70, 57, 55, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 55, 
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-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 54, 69, 128, 73, 
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-    70, 57, 54, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 54, 
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-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 54, 50, 128, 73, 
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-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 53, 54, 128, 73, 
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-    49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 53, 48, 128, 73, 
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-    70, 57, 52, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 52, 
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-    70, 57, 52, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 51, 
-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 51, 69, 128, 73, 
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-    70, 57, 51, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 51, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 51, 56, 128, 73, 
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-    80, 72, 45, 70, 57, 51, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 51, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 51, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 51, 50, 128, 73, 
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-    70, 57, 50, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 50, 
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-    80, 72, 45, 70, 57, 50, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 50, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 50, 
-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 50, 54, 128, 73, 
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-    80, 72, 45, 70, 57, 50, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 50, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 50, 
-    49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 50, 48, 128, 73, 
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-    71, 82, 65, 80, 72, 45, 70, 57, 49, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 57, 49, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 49, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 49, 
-    66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 49, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 49, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 57, 49, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 57, 49, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 49, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 49, 
-    53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 49, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 49, 51, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 57, 49, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 57, 49, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 49, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 
-    70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 68, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 57, 48, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 57, 48, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 48, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 57, 48, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 70, 57, 48, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    70, 57, 48, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 70, 57, 48, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 70, 57, 48, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 57, 48, 52, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    56, 68, 55, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 56, 67, 65, 
-    57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 56, 57, 69, 51, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 55, 68, 52, 50, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 55, 65, 55, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 55, 57, 56, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    55, 54, 68, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 55, 53, 51, 
-    51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 55, 53, 49, 70, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 55, 49, 50, 49, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 55, 48, 66, 57, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 54, 70, 49, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    54, 69, 56, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 54, 55, 50, 
-    67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 54, 55, 48, 57, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 54, 55, 48, 56, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 54, 54, 50, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 54, 53, 66, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    54, 53, 57, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 54, 53, 53, 
-    55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 54, 51, 53, 53, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 54, 51, 48, 55, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 54, 50, 57, 53, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 54, 50, 53, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    54, 50, 52, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 70, 56, 
-    67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 68, 69, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 66, 56, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 53, 66, 53, 55, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 53, 57, 50, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    53, 57, 49, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 56, 70, 
-    48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 53, 66, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 52, 51, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 53, 52, 48, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 53, 51, 70, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    53, 51, 67, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 50, 68, 
-    68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 50, 55, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 53, 50, 52, 68, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 53, 50, 49, 68, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 53, 49, 56, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 
-    52, 69, 65, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 52, 69, 56, 
-    67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 52, 69, 50, 68, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 52, 69, 48, 57, 128, 73, 68, 69, 79, 
-    71, 82, 65, 80, 72, 45, 52, 69, 48, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 65, 49, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 65, 49, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 65, 49, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 
-    49, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 49, 57, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 49, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 49, 55, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 49, 54, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 65, 49, 53, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 65, 49, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 65, 49, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 65, 49, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 
-    49, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 49, 48, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 70, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 69, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 68, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 65, 48, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 65, 48, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 65, 48, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 65, 48, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 
-    48, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 55, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 53, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 65, 48, 52, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 65, 48, 51, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 65, 48, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 65, 48, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 65, 48, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    70, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 69, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 68, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 67, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 66, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 70, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 70, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 70, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 70, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    70, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 53, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 51, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 70, 50, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 70, 49, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 70, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 69, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 69, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    69, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 67, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 66, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 65, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 57, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 69, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 69, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 69, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 69, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    69, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 51, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 49, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 69, 48, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 68, 70, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 68, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 68, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 68, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    68, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 68, 65, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 68, 57, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 68, 56, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 68, 55, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 68, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 68, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 68, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 68, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    68, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 68, 49, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 68, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 67, 70, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 67, 69, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 67, 68, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 67, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 67, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 67, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    67, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 67, 56, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 67, 55, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 67, 54, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 67, 53, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 67, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 67, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 67, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 67, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    67, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 70, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 68, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 67, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 66, 66, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 66, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 66, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 66, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    66, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 54, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 53, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 52, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 66, 51, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 66, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 66, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 66, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 65, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    65, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 68, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 66, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 65, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 65, 57, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 65, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 65, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 65, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    65, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 52, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 51, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 50, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 65, 49, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 65, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 57, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 57, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 57, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    57, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 66, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 57, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 56, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 57, 55, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 57, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 57, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 57, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    57, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 50, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 49, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 57, 48, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 56, 70, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 56, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 56, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 56, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 56, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    56, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 56, 57, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 56, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 56, 55, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 56, 54, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 56, 53, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 56, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 56, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 56, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    56, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 56, 48, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 70, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 69, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 68, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 55, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 55, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 55, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 55, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    55, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 55, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 53, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 55, 52, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 55, 51, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 55, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 55, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 55, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    54, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 69, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 68, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 67, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 66, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 54, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 54, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 54, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 54, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    54, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 53, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 51, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 54, 50, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 54, 49, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 54, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 53, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 53, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    53, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 67, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 66, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 65, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 57, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 53, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 53, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 53, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 53, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    53, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 51, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 49, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 53, 48, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 52, 70, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 52, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 52, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 52, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    52, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 52, 65, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 52, 57, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 52, 56, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 52, 55, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 52, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 52, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 52, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 52, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    52, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 52, 49, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 52, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 51, 70, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 51, 69, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 51, 68, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 51, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 51, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 51, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    51, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 51, 56, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 51, 55, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 51, 54, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 51, 53, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 51, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 51, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 51, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 51, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    51, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 70, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 68, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 67, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 50, 66, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 50, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 50, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 50, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    50, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 54, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 53, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 52, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 50, 51, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 50, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 50, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 50, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 49, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    49, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 68, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 66, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 65, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 49, 57, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 49, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 49, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 49, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    49, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 52, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 51, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 50, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 49, 49, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 49, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 48, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 48, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 48, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    48, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 66, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 57, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 56, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 57, 48, 55, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 57, 48, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 57, 48, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 57, 48, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 
-    48, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 50, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 49, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 57, 48, 48, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 70, 70, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 70, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 70, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 70, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 70, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    70, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 70, 57, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 70, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 70, 55, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 70, 54, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 70, 53, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 70, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 70, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 70, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    70, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 70, 48, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 70, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 69, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 68, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 69, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 69, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 69, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 69, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    69, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 55, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 53, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 69, 52, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 69, 51, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 69, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 69, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 69, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    68, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 69, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 68, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 67, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 66, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 68, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 68, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 68, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 68, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    68, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 53, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 51, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 68, 50, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 68, 49, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 68, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 67, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 67, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    67, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 67, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 66, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 65, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 57, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 67, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 67, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 67, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 67, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    67, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 51, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 49, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 67, 48, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 66, 70, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 66, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 66, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 66, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    66, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 66, 65, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 66, 57, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 66, 56, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 66, 55, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 66, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 66, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 66, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 66, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    66, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 66, 49, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 66, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 65, 70, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 65, 69, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 65, 68, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 65, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 65, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 65, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    65, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 65, 56, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 65, 55, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 65, 54, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 65, 53, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 65, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 65, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 65, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 65, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    65, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 70, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 68, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 67, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 57, 66, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 57, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 57, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 57, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    57, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 54, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 53, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 52, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 57, 51, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 57, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 57, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 57, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 56, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    56, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 68, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 67, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 66, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 65, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 56, 57, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 56, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 56, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 56, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    56, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 52, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 51, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 50, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 56, 49, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 56, 48, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 55, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 55, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 55, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    55, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 66, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 65, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 57, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 56, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 55, 55, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 55, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 55, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 55, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    55, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 50, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 49, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 55, 48, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 54, 70, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 54, 69, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 54, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 54, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 54, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    54, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 54, 57, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 54, 56, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 54, 55, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 54, 54, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 54, 53, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 54, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 54, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 54, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    54, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 54, 48, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 70, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 69, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 68, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 53, 67, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 53, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 53, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 53, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    53, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 55, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 54, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 53, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 53, 52, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 53, 51, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 53, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 53, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 53, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    52, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 69, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 68, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 67, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 66, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 52, 65, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 52, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 52, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 52, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    52, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 53, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 52, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 51, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 52, 50, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 52, 49, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 52, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 51, 70, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 51, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    51, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 67, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 66, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 65, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 57, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 51, 56, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 51, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 51, 54, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 51, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    51, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 51, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 50, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 49, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 51, 48, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 50, 70, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 50, 69, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 50, 68, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 50, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    50, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 50, 65, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 50, 57, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 50, 56, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 50, 55, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 50, 54, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 50, 53, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 50, 52, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 50, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    50, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 50, 49, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 50, 48, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 49, 70, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 49, 69, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 49, 68, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 49, 67, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 49, 66, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 49, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    49, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 49, 56, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 49, 55, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 49, 54, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 49, 53, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 49, 52, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 49, 51, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 49, 50, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 49, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    49, 48, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 70, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 69, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 68, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 67, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 48, 66, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 48, 65, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 48, 57, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 
-    70, 56, 48, 56, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 
-    48, 55, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 54, 
-    128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 53, 128, 73, 
-    68, 69, 79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 52, 128, 73, 68, 69, 
-    79, 71, 82, 65, 80, 72, 45, 50, 70, 56, 48, 51, 128, 73, 68, 69, 79, 71, 
-    82, 65, 80, 72, 45, 50, 70, 56, 48, 50, 128, 73, 68, 69, 79, 71, 82, 65, 
-    80, 72, 45, 50, 70, 56, 48, 49, 128, 73, 68, 69, 79, 71, 82, 65, 80, 72, 
-    45, 50, 70, 56, 48, 48, 128, 73, 68, 69, 78, 84, 73, 70, 73, 67, 65, 84, 
-    73, 79, 78, 128, 73, 68, 69, 78, 84, 73, 67, 65, 204, 73, 67, 72, 79, 85, 
-    128, 73, 67, 72, 79, 83, 128, 73, 67, 72, 73, 77, 65, 84, 79, 83, 128, 
-    73, 67, 72, 65, 68, 73, 78, 128, 73, 67, 69, 76, 65, 78, 68, 73, 67, 45, 
-    89, 82, 128, 73, 66, 73, 70, 73, 76, 73, 128, 73, 65, 85, 68, 65, 128, 
-    73, 48, 49, 53, 128, 73, 48, 49, 52, 128, 73, 48, 49, 51, 128, 73, 48, 
-    49, 50, 128, 73, 48, 49, 49, 65, 128, 73, 48, 49, 49, 128, 73, 48, 49, 
-    48, 65, 128, 73, 48, 49, 48, 128, 73, 48, 48, 57, 65, 128, 73, 48, 48, 
-    57, 128, 73, 48, 48, 56, 128, 73, 48, 48, 55, 128, 73, 48, 48, 54, 128, 
-    73, 48, 48, 53, 65, 128, 73, 48, 48, 53, 128, 73, 48, 48, 52, 128, 73, 
-    48, 48, 51, 128, 73, 48, 48, 50, 128, 73, 48, 48, 49, 128, 73, 45, 89, 
-    85, 128, 73, 45, 89, 79, 128, 73, 45, 89, 69, 79, 128, 73, 45, 89, 69, 
-    128, 73, 45, 89, 65, 69, 128, 73, 45, 89, 65, 45, 79, 128, 73, 45, 89, 
-    65, 128, 73, 45, 79, 45, 73, 128, 73, 45, 79, 128, 73, 45, 69, 85, 128, 
-    73, 45, 66, 69, 65, 77, 128, 73, 45, 65, 82, 65, 69, 65, 128, 73, 45, 65, 
-    128, 72, 90, 90, 90, 71, 128, 72, 90, 90, 90, 128, 72, 90, 90, 80, 128, 
-    72, 90, 90, 128, 72, 90, 87, 71, 128, 72, 90, 87, 128, 72, 90, 84, 128, 
-    72, 90, 71, 128, 72, 89, 83, 84, 69, 82, 69, 83, 73, 211, 72, 89, 80, 79, 
-    68, 73, 65, 83, 84, 79, 76, 69, 128, 72, 89, 80, 72, 69, 78, 65, 84, 73, 
-    79, 206, 72, 89, 80, 72, 69, 78, 45, 77, 73, 78, 85, 83, 128, 72, 89, 80, 
-    72, 69, 78, 128, 72, 89, 80, 72, 69, 206, 72, 88, 87, 71, 128, 72, 88, 
-    85, 79, 88, 128, 72, 88, 85, 79, 84, 128, 72, 88, 85, 79, 80, 128, 72, 
-    88, 85, 79, 128, 72, 88, 79, 88, 128, 72, 88, 79, 84, 128, 72, 88, 79, 
-    80, 128, 72, 88, 79, 128, 72, 88, 73, 88, 128, 72, 88, 73, 84, 128, 72, 
-    88, 73, 80, 128, 72, 88, 73, 69, 88, 128, 72, 88, 73, 69, 84, 128, 72, 
-    88, 73, 69, 80, 128, 72, 88, 73, 69, 128, 72, 88, 73, 128, 72, 88, 69, 
-    88, 128, 72, 88, 69, 80, 128, 72, 88, 69, 128, 72, 88, 65, 88, 128, 72, 
-    88, 65, 84, 128, 72, 88, 65, 80, 128, 72, 88, 65, 128, 72, 87, 85, 128, 
-    72, 87, 65, 73, 82, 128, 72, 86, 128, 72, 85, 83, 72, 69, 196, 72, 85, 
-    82, 65, 78, 128, 72, 85, 79, 84, 128, 72, 85, 78, 68, 82, 69, 68, 128, 
-    72, 85, 78, 68, 82, 69, 196, 72, 85, 78, 128, 72, 85, 77, 65, 78, 128, 
-    72, 85, 77, 65, 206, 72, 85, 76, 50, 128, 72, 85, 73, 73, 84, 79, 128, 
-    72, 85, 66, 50, 128, 72, 85, 66, 178, 72, 85, 66, 128, 72, 85, 65, 82, 
-    65, 68, 68, 79, 128, 72, 84, 83, 128, 72, 84, 74, 128, 72, 82, 89, 86, 
-    78, 73, 193, 72, 80, 87, 71, 128, 72, 80, 65, 128, 72, 80, 128, 72, 79, 
-    85, 83, 197, 72, 79, 85, 82, 71, 76, 65, 83, 83, 128, 72, 79, 85, 82, 71, 
-    76, 65, 83, 211, 72, 79, 85, 82, 128, 72, 79, 85, 210, 72, 79, 84, 69, 
-    76, 128, 72, 79, 84, 65, 128, 72, 79, 83, 80, 73, 84, 65, 76, 128, 72, 
-    79, 82, 83, 69, 128, 72, 79, 82, 83, 197, 72, 79, 82, 78, 83, 128, 72, 
-    79, 82, 73, 90, 79, 78, 84, 65, 76, 76, 217, 72, 79, 82, 73, 90, 79, 78, 
-    84, 65, 76, 45, 48, 54, 45, 48, 54, 128, 72, 79, 82, 73, 90, 79, 78, 84, 
-    65, 76, 45, 48, 54, 45, 48, 53, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 
-    76, 45, 48, 54, 45, 48, 52, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 
-    45, 48, 54, 45, 48, 51, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 
-    48, 54, 45, 48, 50, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 
-    54, 45, 48, 49, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 54, 
-    45, 48, 48, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 
-    48, 54, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 48, 
-    53, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 48, 52, 
-    128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 48, 51, 128, 
-    72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 48, 50, 128, 72, 
-    79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 48, 49, 128, 72, 79, 
-    82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 53, 45, 48, 48, 128, 72, 79, 82, 
-    73, 90, 79, 78, 84, 65, 76, 45, 48, 52, 45, 48, 54, 128, 72, 79, 82, 73, 
-    90, 79, 78, 84, 65, 76, 45, 48, 52, 45, 48, 53, 128, 72, 79, 82, 73, 90, 
-    79, 78, 84, 65, 76, 45, 48, 52, 45, 48, 52, 128, 72, 79, 82, 73, 90, 79, 
-    78, 84, 65, 76, 45, 48, 52, 45, 48, 51, 128, 72, 79, 82, 73, 90, 79, 78, 
-    84, 65, 76, 45, 48, 52, 45, 48, 50, 128, 72, 79, 82, 73, 90, 79, 78, 84, 
-    65, 76, 45, 48, 52, 45, 48, 49, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 
-    76, 45, 48, 52, 45, 48, 48, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 
-    45, 48, 51, 45, 48, 54, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 
-    48, 51, 45, 48, 53, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 
-    51, 45, 48, 52, 128, 72, 79, 82, 73, 90, 79, 78, 84, 65, 76, 45, 48, 51, 
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     72, 79, 76, 65, 77, 128, 72, 79, 76, 65, 205, 72, 79, 75, 65, 128, 72, 
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-    128, 72, 77, 89, 82, 88, 128, 72, 77, 89, 82, 128, 72, 77, 89, 80, 128, 
-    72, 77, 89, 128, 72, 77, 85, 88, 128, 72, 77, 85, 84, 128, 72, 77, 85, 
-    82, 88, 128, 72, 77, 85, 82, 128, 72, 77, 85, 80, 128, 72, 77, 85, 79, 
-    88, 128, 72, 77, 85, 79, 80, 128, 72, 77, 85, 79, 128, 72, 77, 85, 128, 
-    72, 77, 79, 88, 128, 72, 77, 79, 84, 128, 72, 77, 79, 80, 128, 72, 77, 
-    79, 128, 72, 77, 73, 88, 128, 72, 77, 73, 84, 128, 72, 77, 73, 80, 128, 
-    72, 77, 73, 69, 88, 128, 72, 77, 73, 69, 80, 128, 72, 77, 73, 69, 128, 
-    72, 77, 73, 128, 72, 77, 69, 128, 72, 77, 65, 88, 128, 72, 77, 65, 84, 
-    128, 72, 77, 65, 80, 128, 72, 77, 65, 128, 72, 76, 89, 88, 128, 72, 76, 
-    89, 84, 128, 72, 76, 89, 82, 88, 128, 72, 76, 89, 82, 128, 72, 76, 89, 
-    80, 128, 72, 76, 89, 128, 72, 76, 85, 88, 128, 72, 76, 85, 84, 128, 72, 
-    76, 85, 82, 88, 128, 72, 76, 85, 82, 128, 72, 76, 85, 80, 128, 72, 76, 
-    85, 79, 88, 128, 72, 76, 85, 79, 80, 128, 72, 76, 85, 79, 128, 72, 76, 
-    85, 128, 72, 76, 79, 88, 128, 72, 76, 79, 80, 128, 72, 76, 79, 128, 72, 
-    76, 73, 88, 128, 72, 76, 73, 84, 128, 72, 76, 73, 80, 128, 72, 76, 73, 
-    69, 88, 128, 72, 76, 73, 69, 80, 128, 72, 76, 73, 69, 128, 72, 76, 73, 
-    128, 72, 76, 69, 88, 128, 72, 76, 69, 80, 128, 72, 76, 69, 128, 72, 76, 
-    65, 88, 128, 72, 76, 65, 84, 128, 72, 76, 65, 80, 128, 72, 76, 65, 128, 
-    72, 75, 128, 72, 73, 90, 66, 128, 72, 73, 83, 84, 79, 82, 73, 195, 72, 
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-    72, 45, 82, 69, 86, 69, 82, 83, 69, 68, 45, 185, 72, 73, 71, 72, 45, 72, 
-    69, 69, 76, 69, 196, 72, 73, 69, 88, 128, 72, 73, 69, 85, 72, 45, 83, 73, 
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-    85, 78, 128, 72, 73, 69, 85, 72, 45, 77, 73, 69, 85, 77, 128, 72, 73, 69, 
-    85, 200, 72, 73, 69, 82, 79, 71, 76, 89, 80, 72, 73, 195, 72, 73, 69, 
-    128, 72, 73, 68, 73, 78, 199, 72, 73, 68, 69, 84, 128, 72, 73, 68, 69, 
-    128, 72, 73, 66, 73, 83, 67, 85, 83, 128, 72, 72, 87, 65, 128, 72, 72, 
-    85, 128, 72, 72, 73, 128, 72, 72, 69, 69, 128, 72, 72, 69, 128, 72, 72, 
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-    65, 71, 82, 65, 205, 72, 69, 88, 65, 71, 79, 78, 128, 72, 69, 82, 85, 84, 
-    85, 128, 72, 69, 82, 85, 128, 72, 69, 82, 77, 73, 84, 73, 65, 206, 72, 
-    69, 82, 77, 73, 79, 78, 73, 65, 206, 72, 69, 82, 77, 69, 83, 128, 72, 69, 
-    82, 69, 128, 72, 69, 82, 66, 128, 72, 69, 82, 65, 69, 85, 205, 72, 69, 
-    78, 71, 128, 72, 69, 78, 199, 72, 69, 77, 80, 128, 72, 69, 76, 77, 69, 
-    84, 128, 72, 69, 76, 77, 69, 212, 72, 69, 76, 205, 72, 69, 76, 73, 67, 
-    79, 80, 84, 69, 82, 128, 72, 69, 75, 85, 84, 65, 65, 82, 85, 128, 72, 69, 
-    73, 83, 69, 73, 128, 72, 69, 65, 86, 89, 128, 72, 69, 65, 86, 69, 78, 76, 
-    217, 72, 69, 65, 86, 69, 78, 128, 72, 69, 65, 86, 69, 206, 72, 69, 65, 
-    82, 84, 83, 128, 72, 69, 65, 82, 84, 45, 83, 72, 65, 80, 69, 196, 72, 69, 
-    65, 82, 84, 128, 72, 69, 65, 82, 212, 72, 69, 65, 82, 45, 78, 79, 45, 69, 
-    86, 73, 204, 72, 69, 65, 68, 83, 84, 82, 79, 75, 69, 128, 72, 69, 65, 68, 
-    83, 84, 79, 78, 197, 72, 69, 65, 68, 80, 72, 79, 78, 69, 128, 72, 69, 65, 
-    68, 73, 78, 71, 128, 72, 66, 65, 83, 65, 45, 69, 83, 65, 83, 193, 72, 66, 
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-    72, 65, 83, 69, 210, 72, 65, 83, 65, 78, 84, 65, 128, 72, 65, 82, 80, 79, 
-    79, 78, 128, 72, 65, 82, 80, 79, 79, 206, 72, 65, 82, 77, 79, 78, 73, 67, 
-    128, 72, 65, 82, 75, 76, 69, 65, 206, 72, 65, 82, 68, 78, 69, 83, 83, 
-    128, 72, 65, 82, 196, 72, 65, 80, 80, 217, 72, 65, 78, 85, 78, 79, 207, 
-    72, 65, 78, 71, 90, 72, 79, 213, 72, 65, 78, 68, 83, 128, 72, 65, 78, 68, 
-    211, 72, 65, 78, 68, 76, 69, 83, 128, 72, 65, 78, 68, 76, 69, 128, 72, 
-    65, 78, 68, 66, 65, 71, 128, 72, 65, 78, 68, 128, 72, 65, 78, 45, 65, 75, 
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+    72, 78, 73, 69, 80, 128, 72, 78, 73, 69, 128, 72, 78, 73, 128, 72, 78, 
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+    72, 78, 65, 85, 128, 72, 78, 65, 84, 128, 72, 78, 65, 80, 128, 72, 78, 
+    65, 128, 72, 77, 89, 88, 128, 72, 77, 89, 82, 88, 128, 72, 77, 89, 82, 
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+    85, 84, 128, 72, 77, 85, 82, 88, 128, 72, 77, 85, 82, 128, 72, 77, 85, 
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+    77, 79, 80, 128, 72, 77, 79, 128, 72, 77, 73, 88, 128, 72, 77, 73, 84, 
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+    88, 128, 72, 77, 65, 84, 128, 72, 77, 65, 80, 128, 72, 77, 65, 128, 72, 
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+    73, 80, 128, 72, 76, 73, 69, 88, 128, 72, 76, 73, 69, 80, 128, 72, 76, 
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+    84, 128, 72, 76, 65, 80, 128, 72, 76, 65, 128, 72, 76, 128, 72, 75, 128, 
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+    195, 72, 73, 82, 73, 81, 128, 72, 73, 71, 72, 45, 83, 80, 69, 69, 196, 
+    72, 73, 71, 72, 45, 82, 69, 86, 69, 82, 83, 69, 68, 45, 185, 72, 73, 71, 
+    72, 45, 76, 79, 215, 72, 73, 71, 72, 45, 72, 69, 69, 76, 69, 196, 72, 73, 
+    69, 88, 128, 72, 73, 69, 85, 72, 45, 83, 73, 79, 83, 128, 72, 73, 69, 85, 
+    72, 45, 82, 73, 69, 85, 76, 128, 72, 73, 69, 85, 72, 45, 80, 73, 69, 85, 
+    80, 128, 72, 73, 69, 85, 72, 45, 78, 73, 69, 85, 78, 128, 72, 73, 69, 85, 
+    72, 45, 77, 73, 69, 85, 77, 128, 72, 73, 69, 85, 200, 72, 73, 69, 82, 79, 
+    71, 76, 89, 80, 72, 73, 195, 72, 73, 69, 128, 72, 73, 68, 73, 78, 199, 
+    72, 73, 68, 69, 84, 128, 72, 73, 68, 69, 128, 72, 73, 66, 73, 83, 67, 85, 
+    83, 128, 72, 72, 87, 65, 128, 72, 72, 85, 128, 72, 72, 73, 128, 72, 72, 
+    69, 69, 128, 72, 72, 69, 128, 72, 72, 65, 65, 128, 72, 71, 128, 72, 69, 
+    89, 84, 128, 72, 69, 88, 73, 70, 79, 82, 205, 72, 69, 88, 65, 71, 82, 65, 
+    205, 72, 69, 88, 65, 71, 79, 78, 128, 72, 69, 82, 85, 84, 85, 128, 72, 
+    69, 82, 85, 128, 72, 69, 82, 77, 73, 84, 73, 65, 206, 72, 69, 82, 77, 73, 
+    79, 78, 73, 65, 206, 72, 69, 82, 77, 69, 83, 128, 72, 69, 82, 69, 128, 
+    72, 69, 82, 66, 128, 72, 69, 82, 65, 69, 85, 205, 72, 69, 78, 71, 128, 
+    72, 69, 78, 199, 72, 69, 77, 80, 128, 72, 69, 76, 77, 69, 84, 128, 72, 
+    69, 76, 77, 69, 212, 72, 69, 76, 205, 72, 69, 76, 73, 67, 79, 80, 84, 69, 
+    82, 128, 72, 69, 75, 85, 84, 65, 65, 82, 85, 128, 72, 69, 73, 83, 69, 73, 
+    128, 72, 69, 69, 73, 128, 72, 69, 65, 86, 89, 128, 72, 69, 65, 86, 69, 
+    78, 76, 217, 72, 69, 65, 86, 69, 78, 128, 72, 69, 65, 86, 69, 206, 72, 
+    69, 65, 82, 84, 83, 128, 72, 69, 65, 82, 84, 45, 83, 72, 65, 80, 69, 196, 
+    72, 69, 65, 82, 84, 128, 72, 69, 65, 82, 212, 72, 69, 65, 82, 45, 78, 79, 
+    45, 69, 86, 73, 204, 72, 69, 65, 68, 83, 84, 82, 79, 75, 69, 128, 72, 69, 
+    65, 68, 83, 84, 79, 78, 197, 72, 69, 65, 68, 80, 72, 79, 78, 69, 128, 72, 
+    69, 65, 68, 73, 78, 71, 128, 72, 66, 65, 83, 65, 45, 69, 83, 65, 83, 193, 
+    72, 66, 65, 83, 193, 72, 65, 89, 65, 78, 78, 65, 128, 72, 65, 87, 74, 
+    128, 72, 65, 86, 69, 128, 72, 65, 85, 80, 84, 83, 84, 73, 77, 77, 69, 
+    128, 72, 65, 213, 72, 65, 84, 72, 73, 128, 72, 65, 84, 69, 128, 72, 65, 
+    84, 67, 72, 73, 78, 199, 72, 65, 84, 65, 198, 72, 65, 83, 69, 210, 72, 
+    65, 83, 65, 78, 84, 65, 128, 72, 65, 82, 80, 79, 79, 78, 128, 72, 65, 82, 
+    80, 79, 79, 206, 72, 65, 82, 77, 79, 78, 73, 67, 128, 72, 65, 82, 75, 76, 
+    69, 65, 206, 72, 65, 82, 68, 78, 69, 83, 83, 128, 72, 65, 82, 196, 72, 
+    65, 80, 80, 217, 72, 65, 78, 85, 78, 79, 207, 72, 65, 78, 71, 90, 72, 79, 
+    213, 72, 65, 78, 68, 83, 128, 72, 65, 78, 68, 211, 72, 65, 78, 68, 76, 
+    69, 83, 128, 72, 65, 78, 68, 76, 69, 128, 72, 65, 78, 68, 66, 65, 71, 
+    128, 72, 65, 78, 68, 128, 72, 65, 78, 45, 65, 75, 65, 84, 128, 72, 65, 
+    77, 90, 65, 128, 72, 65, 77, 90, 193, 72, 65, 77, 83, 84, 69, 210, 72, 
     65, 77, 77, 69, 82, 128, 72, 65, 77, 77, 69, 210, 72, 65, 77, 66, 85, 82, 
     71, 69, 82, 128, 72, 65, 76, 81, 65, 128, 72, 65, 76, 79, 128, 72, 65, 
     76, 70, 45, 67, 73, 82, 67, 76, 197, 72, 65, 76, 70, 128, 72, 65, 76, 66, 
     69, 82, 68, 128, 72, 65, 76, 65, 78, 84, 65, 128, 72, 65, 73, 84, 85, 
-    128, 72, 65, 73, 82, 67, 85, 84, 128, 72, 65, 73, 82, 128, 72, 65, 71, 
-    76, 65, 218, 72, 65, 71, 76, 128, 72, 65, 70, 85, 75, 72, 65, 128, 72, 
-    65, 70, 85, 75, 72, 128, 72, 65, 69, 71, 204, 72, 65, 65, 82, 85, 128, 
-    72, 65, 65, 77, 128, 72, 65, 193, 72, 65, 45, 72, 65, 128, 72, 48, 48, 
-    56, 128, 72, 48, 48, 55, 128, 72, 48, 48, 54, 65, 128, 72, 48, 48, 54, 
-    128, 72, 48, 48, 53, 128, 72, 48, 48, 52, 128, 72, 48, 48, 51, 128, 72, 
-    48, 48, 50, 128, 72, 48, 48, 49, 128, 72, 45, 84, 89, 80, 197, 71, 89, 
-    85, 128, 71, 89, 79, 78, 128, 71, 89, 79, 128, 71, 89, 73, 128, 71, 89, 
-    70, 213, 71, 89, 69, 69, 128, 71, 89, 65, 83, 128, 71, 89, 65, 65, 128, 
-    71, 89, 65, 128, 71, 89, 128, 71, 87, 85, 128, 71, 87, 73, 128, 71, 87, 
-    69, 69, 128, 71, 87, 69, 128, 71, 87, 65, 65, 128, 71, 87, 65, 128, 71, 
-    86, 128, 71, 85, 82, 85, 83, 72, 128, 71, 85, 82, 85, 78, 128, 71, 85, 
-    82, 65, 77, 85, 84, 79, 78, 128, 71, 85, 82, 55, 128, 71, 85, 78, 85, 
+    128, 72, 65, 73, 211, 72, 65, 73, 82, 67, 85, 84, 128, 72, 65, 73, 82, 
+    128, 72, 65, 71, 76, 65, 218, 72, 65, 71, 76, 128, 72, 65, 70, 85, 75, 
+    72, 65, 128, 72, 65, 70, 85, 75, 72, 128, 72, 65, 69, 71, 204, 72, 65, 
+    65, 82, 85, 128, 72, 65, 65, 77, 128, 72, 65, 193, 72, 65, 45, 72, 65, 
+    128, 72, 48, 48, 56, 128, 72, 48, 48, 55, 128, 72, 48, 48, 54, 65, 128, 
+    72, 48, 48, 54, 128, 72, 48, 48, 53, 128, 72, 48, 48, 52, 128, 72, 48, 
+    48, 51, 128, 72, 48, 48, 50, 128, 72, 48, 48, 49, 128, 72, 45, 84, 89, 
+    80, 197, 71, 89, 85, 128, 71, 89, 79, 78, 128, 71, 89, 79, 128, 71, 89, 
+    73, 128, 71, 89, 70, 213, 71, 89, 69, 69, 128, 71, 89, 65, 83, 128, 71, 
+    89, 65, 65, 128, 71, 89, 65, 128, 71, 89, 128, 71, 87, 85, 128, 71, 87, 
+    73, 128, 71, 87, 69, 69, 128, 71, 87, 69, 128, 71, 87, 65, 65, 128, 71, 
+    87, 65, 128, 71, 86, 65, 78, 71, 128, 71, 86, 128, 71, 85, 82, 85, 83, 
+    72, 128, 71, 85, 82, 85, 78, 128, 71, 85, 82, 77, 85, 75, 72, 201, 71, 
+    85, 82, 65, 77, 85, 84, 79, 78, 128, 71, 85, 82, 55, 128, 71, 85, 78, 85, 
     128, 71, 85, 78, 213, 71, 85, 205, 71, 85, 76, 128, 71, 85, 73, 84, 65, 
-    82, 128, 71, 85, 199, 71, 85, 69, 72, 128, 71, 85, 69, 200, 71, 85, 68, 
-    128, 71, 85, 196, 71, 85, 65, 82, 68, 83, 77, 65, 78, 128, 71, 85, 65, 
-    82, 68, 69, 68, 78, 69, 83, 83, 128, 71, 85, 65, 82, 68, 69, 196, 71, 85, 
-    65, 82, 68, 128, 71, 85, 65, 82, 65, 78, 201, 71, 85, 193, 71, 85, 178, 
-    71, 84, 69, 210, 71, 83, 85, 77, 128, 71, 83, 85, 205, 71, 82, 213, 71, 
-    82, 79, 87, 73, 78, 199, 71, 82, 79, 85, 78, 68, 128, 71, 82, 79, 78, 84, 
-    72, 73, 83, 77, 65, 84, 65, 128, 71, 82, 73, 78, 78, 73, 78, 199, 71, 82, 
-    73, 77, 65, 67, 73, 78, 199, 71, 82, 69, 71, 79, 82, 73, 65, 206, 71, 82, 
-    69, 69, 206, 71, 82, 69, 65, 84, 78, 69, 83, 83, 128, 71, 82, 69, 65, 84, 
-    69, 82, 45, 84, 72, 65, 78, 128, 71, 82, 69, 65, 84, 69, 82, 45, 84, 72, 
-    65, 206, 71, 82, 69, 65, 84, 69, 210, 71, 82, 69, 65, 212, 71, 82, 65, 
-    86, 69, 89, 65, 82, 196, 71, 82, 65, 86, 69, 45, 77, 65, 67, 82, 79, 78, 
-    128, 71, 82, 65, 86, 69, 45, 65, 67, 85, 84, 69, 45, 71, 82, 65, 86, 69, 
-    128, 71, 82, 65, 86, 197, 71, 82, 65, 84, 69, 82, 128, 71, 82, 65, 83, 
-    83, 128, 71, 82, 65, 83, 211, 71, 82, 65, 80, 72, 69, 77, 197, 71, 82, 
-    65, 80, 69, 83, 128, 71, 82, 65, 77, 77, 193, 71, 82, 65, 73, 78, 128, 
-    71, 82, 65, 68, 85, 65, 84, 73, 79, 206, 71, 82, 65, 67, 69, 128, 71, 82, 
-    65, 67, 197, 71, 80, 65, 128, 71, 79, 82, 84, 72, 77, 73, 75, 79, 206, 
-    71, 79, 82, 84, 128, 71, 79, 82, 71, 79, 84, 69, 82, 73, 128, 71, 79, 82, 
-    71, 79, 83, 89, 78, 84, 72, 69, 84, 79, 78, 128, 71, 79, 82, 71, 79, 206, 
-    71, 79, 82, 71, 73, 128, 71, 79, 82, 65, 128, 71, 79, 79, 196, 71, 79, 
-    78, 71, 128, 71, 79, 76, 68, 128, 71, 79, 75, 128, 71, 79, 73, 78, 199, 
-    71, 79, 66, 76, 73, 78, 128, 71, 79, 65, 76, 128, 71, 79, 65, 204, 71, 
-    79, 65, 128, 71, 78, 89, 73, 83, 128, 71, 78, 65, 86, 73, 89, 65, 78, 73, 
-    128, 71, 76, 79, 87, 73, 78, 199, 71, 76, 79, 84, 84, 65, 204, 71, 76, 
-    79, 66, 197, 71, 76, 73, 83, 83, 65, 78, 68, 207, 71, 76, 69, 73, 67, 
-    200, 71, 76, 65, 71, 79, 76, 73, 128, 71, 76, 65, 128, 71, 74, 69, 128, 
-    71, 73, 88, 128, 71, 73, 84, 128, 71, 73, 83, 72, 128, 71, 73, 83, 200, 
-    71, 73, 83, 65, 76, 128, 71, 73, 82, 85, 68, 65, 65, 128, 71, 73, 82, 76, 
+    82, 128, 71, 85, 199, 71, 85, 69, 73, 128, 71, 85, 69, 72, 128, 71, 85, 
+    69, 200, 71, 85, 68, 128, 71, 85, 196, 71, 85, 65, 82, 68, 83, 77, 65, 
+    78, 128, 71, 85, 65, 82, 68, 69, 68, 78, 69, 83, 83, 128, 71, 85, 65, 82, 
+    68, 69, 196, 71, 85, 65, 82, 68, 128, 71, 85, 65, 82, 65, 78, 201, 71, 
+    85, 193, 71, 85, 178, 71, 84, 69, 210, 71, 83, 85, 77, 128, 71, 83, 85, 
+    205, 71, 82, 213, 71, 82, 79, 87, 73, 78, 199, 71, 82, 79, 85, 78, 68, 
+    128, 71, 82, 79, 78, 84, 72, 73, 83, 77, 65, 84, 65, 128, 71, 82, 73, 78, 
+    78, 73, 78, 199, 71, 82, 73, 77, 65, 67, 73, 78, 199, 71, 82, 69, 71, 79, 
+    82, 73, 65, 206, 71, 82, 69, 69, 206, 71, 82, 69, 65, 84, 78, 69, 83, 83, 
+    128, 71, 82, 69, 65, 84, 69, 82, 45, 84, 72, 65, 78, 128, 71, 82, 69, 65, 
+    84, 69, 82, 45, 84, 72, 65, 206, 71, 82, 69, 65, 84, 69, 210, 71, 82, 69, 
+    65, 212, 71, 82, 65, 86, 69, 89, 65, 82, 196, 71, 82, 65, 86, 69, 45, 77, 
+    65, 67, 82, 79, 78, 128, 71, 82, 65, 86, 69, 45, 65, 67, 85, 84, 69, 45, 
+    71, 82, 65, 86, 69, 128, 71, 82, 65, 86, 197, 71, 82, 65, 84, 69, 82, 
+    128, 71, 82, 65, 83, 83, 128, 71, 82, 65, 83, 211, 71, 82, 65, 80, 72, 
+    69, 77, 197, 71, 82, 65, 80, 69, 83, 128, 71, 82, 65, 77, 77, 193, 71, 
+    82, 65, 73, 78, 128, 71, 82, 65, 68, 85, 65, 84, 73, 79, 206, 71, 82, 65, 
+    67, 69, 128, 71, 82, 65, 67, 197, 71, 80, 65, 128, 71, 79, 82, 84, 72, 
+    77, 73, 75, 79, 206, 71, 79, 82, 84, 128, 71, 79, 82, 71, 79, 84, 69, 82, 
+    73, 128, 71, 79, 82, 71, 79, 83, 89, 78, 84, 72, 69, 84, 79, 78, 128, 71, 
+    79, 82, 71, 79, 206, 71, 79, 82, 71, 73, 128, 71, 79, 82, 65, 128, 71, 
+    79, 79, 196, 71, 79, 78, 71, 128, 71, 79, 76, 70, 69, 82, 128, 71, 79, 
+    76, 68, 128, 71, 79, 75, 128, 71, 79, 73, 78, 199, 71, 79, 66, 76, 73, 
+    78, 128, 71, 79, 65, 76, 128, 71, 79, 65, 204, 71, 79, 65, 128, 71, 78, 
+    89, 73, 83, 128, 71, 78, 65, 86, 73, 89, 65, 78, 73, 128, 71, 76, 79, 87, 
+    73, 78, 199, 71, 76, 79, 84, 84, 65, 204, 71, 76, 79, 66, 197, 71, 76, 
+    73, 83, 83, 65, 78, 68, 207, 71, 76, 69, 73, 67, 200, 71, 76, 65, 71, 79, 
+    76, 73, 128, 71, 76, 65, 128, 71, 74, 69, 128, 71, 73, 88, 128, 71, 73, 
+    84, 128, 71, 73, 83, 72, 128, 71, 73, 83, 200, 71, 73, 83, 65, 76, 128, 
+    71, 73, 82, 85, 68, 65, 65, 128, 71, 73, 82, 76, 211, 71, 73, 82, 76, 
     128, 71, 73, 82, 51, 128, 71, 73, 82, 179, 71, 73, 82, 50, 128, 71, 73, 
     82, 178, 71, 73, 80, 128, 71, 73, 78, 73, 73, 128, 71, 73, 77, 69, 76, 
     128, 71, 73, 77, 69, 204, 71, 73, 77, 128, 71, 73, 71, 65, 128, 71, 73, 
-    69, 84, 128, 71, 73, 68, 73, 77, 128, 71, 73, 66, 66, 79, 85, 211, 71, 
-    73, 66, 65, 128, 71, 73, 52, 128, 71, 73, 180, 71, 72, 90, 128, 71, 72, 
-    87, 65, 128, 71, 72, 85, 78, 78, 65, 128, 71, 72, 85, 78, 78, 193, 71, 
-    72, 85, 128, 71, 72, 79, 85, 128, 71, 72, 79, 83, 84, 128, 71, 72, 79, 
-    128, 71, 72, 73, 128, 71, 72, 72, 65, 128, 71, 72, 69, 85, 88, 128, 71, 
+    71, 128, 71, 73, 69, 84, 128, 71, 73, 68, 73, 77, 128, 71, 73, 66, 66, 
+    79, 85, 211, 71, 73, 66, 65, 128, 71, 73, 52, 128, 71, 73, 180, 71, 72, 
+    90, 128, 71, 72, 87, 65, 128, 71, 72, 85, 78, 78, 65, 128, 71, 72, 85, 
+    78, 78, 193, 71, 72, 85, 128, 71, 72, 79, 85, 128, 71, 72, 79, 83, 84, 
+    128, 71, 72, 79, 128, 71, 72, 73, 77, 69, 76, 128, 71, 72, 73, 128, 71, 
+    72, 72, 65, 128, 71, 72, 69, 89, 83, 128, 71, 72, 69, 85, 88, 128, 71, 
     72, 69, 85, 78, 128, 71, 72, 69, 85, 71, 72, 69, 85, 65, 69, 77, 128, 71, 
     72, 69, 85, 71, 72, 69, 78, 128, 71, 72, 69, 85, 65, 69, 82, 65, 69, 128, 
     71, 72, 69, 85, 65, 69, 71, 72, 69, 85, 65, 69, 128, 71, 72, 69, 84, 128, 
     71, 72, 69, 69, 128, 71, 72, 69, 128, 71, 72, 197, 71, 72, 65, 89, 78, 
     128, 71, 72, 65, 82, 65, 69, 128, 71, 72, 65, 80, 128, 71, 72, 65, 78, 
-    128, 71, 72, 65, 77, 65, 76, 128, 71, 72, 65, 73, 78, 85, 128, 71, 72, 
-    65, 73, 78, 128, 71, 72, 65, 73, 206, 71, 72, 65, 68, 128, 71, 72, 65, 
-    65, 77, 65, 69, 128, 71, 72, 65, 65, 128, 71, 71, 87, 73, 128, 71, 71, 
-    87, 69, 69, 128, 71, 71, 87, 69, 128, 71, 71, 87, 65, 65, 128, 71, 71, 
-    87, 65, 128, 71, 71, 85, 88, 128, 71, 71, 85, 84, 128, 71, 71, 85, 82, 
-    88, 128, 71, 71, 85, 82, 128, 71, 71, 85, 79, 88, 128, 71, 71, 85, 79, 
-    84, 128, 71, 71, 85, 79, 80, 128, 71, 71, 85, 79, 128, 71, 71, 79, 88, 
-    128, 71, 71, 79, 84, 128, 71, 71, 79, 80, 128, 71, 71, 73, 88, 128, 71, 
-    71, 73, 84, 128, 71, 71, 73, 69, 88, 128, 71, 71, 73, 69, 80, 128, 71, 
-    71, 73, 69, 128, 71, 71, 69, 88, 128, 71, 71, 69, 84, 128, 71, 71, 69, 
-    80, 128, 71, 71, 65, 88, 128, 71, 71, 65, 84, 128, 71, 71, 65, 65, 128, 
-    71, 69, 84, 193, 71, 69, 83, 84, 85, 82, 69, 128, 71, 69, 83, 72, 85, 
-    128, 71, 69, 83, 72, 84, 73, 78, 128, 71, 69, 83, 72, 84, 73, 206, 71, 
-    69, 83, 72, 50, 128, 71, 69, 82, 83, 72, 65, 89, 73, 77, 128, 71, 69, 82, 
-    77, 65, 206, 71, 69, 82, 69, 83, 72, 128, 71, 69, 82, 69, 83, 200, 71, 
-    69, 79, 77, 69, 84, 82, 73, 67, 65, 76, 76, 217, 71, 69, 79, 77, 69, 84, 
-    82, 73, 195, 71, 69, 78, 84, 76, 197, 71, 69, 78, 73, 84, 73, 86, 69, 
-    128, 71, 69, 78, 73, 75, 201, 71, 69, 78, 69, 82, 73, 195, 71, 69, 77, 
-    73, 78, 73, 128, 71, 69, 77, 73, 78, 65, 84, 73, 79, 206, 71, 69, 205, 
-    71, 69, 68, 79, 76, 65, 128, 71, 69, 68, 69, 128, 71, 69, 66, 207, 71, 
-    69, 66, 193, 71, 69, 65, 82, 128, 71, 69, 65, 210, 71, 68, 65, 78, 128, 
-    71, 67, 73, 71, 128, 71, 67, 65, 206, 71, 66, 79, 78, 128, 71, 66, 73, 
-    69, 197, 71, 66, 69, 85, 88, 128, 71, 66, 69, 84, 128, 71, 66, 65, 89, 
-    73, 128, 71, 66, 65, 75, 85, 82, 85, 78, 69, 78, 128, 71, 66, 128, 71, 
-    65, 89, 65, 78, 85, 75, 73, 84, 84, 65, 128, 71, 65, 89, 65, 78, 78, 65, 
-    128, 71, 65, 89, 128, 71, 65, 85, 78, 84, 76, 69, 84, 128, 71, 65, 84, 
-    72, 69, 82, 73, 78, 71, 128, 71, 65, 84, 72, 69, 82, 73, 78, 199, 71, 65, 
-    84, 69, 128, 71, 65, 83, 72, 65, 78, 128, 71, 65, 82, 83, 72, 85, 78, 73, 
-    128, 71, 65, 82, 79, 78, 128, 71, 65, 82, 77, 69, 78, 84, 128, 71, 65, 
-    82, 68, 69, 78, 128, 71, 65, 82, 51, 128, 71, 65, 80, 80, 69, 196, 71, 
-    65, 208, 71, 65, 78, 77, 65, 128, 71, 65, 78, 71, 73, 65, 128, 71, 65, 
-    78, 68, 193, 71, 65, 78, 50, 128, 71, 65, 78, 178, 71, 65, 77, 77, 65, 
-    128, 71, 65, 77, 76, 65, 128, 71, 65, 77, 76, 128, 71, 65, 77, 69, 128, 
-    71, 65, 77, 197, 71, 65, 77, 65, 78, 128, 71, 65, 77, 65, 76, 128, 71, 
-    65, 77, 65, 204, 71, 65, 71, 128, 71, 65, 70, 128, 71, 65, 198, 71, 65, 
-    69, 84, 84, 65, 45, 80, 73, 76, 76, 65, 128, 71, 65, 68, 79, 76, 128, 71, 
-    65, 68, 128, 71, 65, 196, 71, 65, 66, 65, 128, 71, 65, 66, 193, 71, 65, 
-    65, 70, 85, 128, 71, 65, 178, 71, 48, 53, 52, 128, 71, 48, 53, 51, 128, 
-    71, 48, 53, 50, 128, 71, 48, 53, 49, 128, 71, 48, 53, 48, 128, 71, 48, 
-    52, 57, 128, 71, 48, 52, 56, 128, 71, 48, 52, 55, 128, 71, 48, 52, 54, 
-    128, 71, 48, 52, 53, 65, 128, 71, 48, 52, 53, 128, 71, 48, 52, 52, 128, 
-    71, 48, 52, 51, 65, 128, 71, 48, 52, 51, 128, 71, 48, 52, 50, 128, 71, 
-    48, 52, 49, 128, 71, 48, 52, 48, 128, 71, 48, 51, 57, 128, 71, 48, 51, 
-    56, 128, 71, 48, 51, 55, 65, 128, 71, 48, 51, 55, 128, 71, 48, 51, 54, 
-    65, 128, 71, 48, 51, 54, 128, 71, 48, 51, 53, 128, 71, 48, 51, 52, 128, 
-    71, 48, 51, 51, 128, 71, 48, 51, 50, 128, 71, 48, 51, 49, 128, 71, 48, 
-    51, 48, 128, 71, 48, 50, 57, 128, 71, 48, 50, 56, 128, 71, 48, 50, 55, 
-    128, 71, 48, 50, 54, 65, 128, 71, 48, 50, 54, 128, 71, 48, 50, 53, 128, 
-    71, 48, 50, 52, 128, 71, 48, 50, 51, 128, 71, 48, 50, 50, 128, 71, 48, 
-    50, 49, 128, 71, 48, 50, 48, 65, 128, 71, 48, 50, 48, 128, 71, 48, 49, 
-    57, 128, 71, 48, 49, 56, 128, 71, 48, 49, 55, 128, 71, 48, 49, 54, 128, 
-    71, 48, 49, 53, 128, 71, 48, 49, 52, 128, 71, 48, 49, 51, 128, 71, 48, 
-    49, 50, 128, 71, 48, 49, 49, 65, 128, 71, 48, 49, 49, 128, 71, 48, 49, 
-    48, 128, 71, 48, 48, 57, 128, 71, 48, 48, 56, 128, 71, 48, 48, 55, 66, 
-    128, 71, 48, 48, 55, 65, 128, 71, 48, 48, 55, 128, 71, 48, 48, 54, 65, 
-    128, 71, 48, 48, 54, 128, 71, 48, 48, 53, 128, 71, 48, 48, 52, 128, 71, 
-    48, 48, 51, 128, 71, 48, 48, 50, 128, 71, 48, 48, 49, 128, 70, 89, 88, 
-    128, 70, 89, 84, 128, 70, 89, 80, 128, 70, 89, 65, 128, 70, 87, 73, 128, 
-    70, 87, 69, 69, 128, 70, 87, 69, 128, 70, 87, 65, 65, 128, 70, 87, 65, 
-    128, 70, 86, 83, 51, 128, 70, 86, 83, 50, 128, 70, 86, 83, 49, 128, 70, 
-    85, 88, 128, 70, 85, 84, 128, 70, 85, 83, 69, 128, 70, 85, 83, 193, 70, 
-    85, 82, 88, 128, 70, 85, 80, 128, 70, 85, 78, 69, 82, 65, 204, 70, 85, 
-    78, 67, 84, 73, 79, 78, 65, 204, 70, 85, 78, 67, 84, 73, 79, 78, 128, 70, 
-    85, 76, 76, 78, 69, 83, 83, 128, 70, 85, 76, 204, 70, 85, 74, 73, 128, 
-    70, 85, 69, 84, 128, 70, 85, 69, 204, 70, 85, 69, 128, 70, 84, 72, 79, 
-    82, 193, 70, 83, 73, 128, 70, 82, 79, 87, 78, 73, 78, 71, 128, 70, 82, 
-    79, 87, 78, 73, 78, 199, 70, 82, 79, 87, 78, 128, 70, 82, 79, 78, 84, 45, 
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-    82, 65, 71, 77, 69, 78, 84, 128, 70, 82, 65, 67, 84, 73, 79, 206, 70, 79, 
-    88, 128, 70, 79, 85, 82, 84, 69, 69, 78, 128, 70, 79, 85, 82, 84, 69, 69, 
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-    83, 84, 82, 73, 78, 199, 70, 79, 85, 82, 45, 80, 69, 82, 45, 69, 205, 70, 
-    79, 85, 82, 45, 76, 73, 78, 197, 70, 79, 85, 210, 70, 79, 85, 78, 84, 65, 
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-    82, 68, 128, 70, 79, 82, 84, 89, 128, 70, 79, 82, 84, 217, 70, 79, 82, 
-    84, 69, 128, 70, 79, 82, 77, 211, 70, 79, 82, 77, 65, 84, 84, 73, 78, 71, 
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-    67, 69, 128, 70, 79, 80, 128, 70, 79, 79, 84, 83, 84, 79, 79, 76, 128, 
-    70, 79, 79, 84, 80, 82, 73, 78, 84, 83, 128, 70, 79, 79, 84, 78, 79, 84, 
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-    77, 128, 70, 79, 76, 76, 89, 128, 70, 79, 76, 76, 79, 87, 73, 78, 71, 
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-    71, 89, 128, 70, 207, 70, 77, 128, 70, 76, 89, 128, 70, 76, 85, 84, 84, 
-    69, 82, 73, 78, 199, 70, 76, 85, 84, 69, 128, 70, 76, 85, 83, 72, 69, 
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-    88, 69, 68, 45, 70, 79, 82, 205, 70, 73, 88, 128, 70, 73, 86, 69, 45, 84, 
-    72, 73, 82, 84, 89, 128, 70, 73, 86, 69, 45, 76, 73, 78, 197, 70, 73, 86, 
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     128, 70, 73, 83, 72, 128, 70, 73, 83, 200, 70, 73, 82, 83, 212, 70, 73, 
     82, 73, 128, 70, 73, 82, 69, 87, 79, 82, 75, 83, 128, 70, 73, 82, 69, 87, 
     79, 82, 203, 70, 73, 82, 69, 128, 70, 73, 82, 197, 70, 73, 80, 128, 70, 
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-    73, 78, 71, 69, 82, 69, 196, 70, 73, 78, 65, 78, 67, 73, 65, 76, 128, 70, 
-    73, 76, 76, 69, 82, 128, 70, 73, 76, 76, 69, 196, 70, 73, 76, 76, 128, 
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-    73, 70, 84, 89, 128, 70, 73, 70, 84, 217, 70, 73, 70, 84, 72, 83, 128, 
-    70, 73, 70, 84, 72, 128, 70, 73, 70, 84, 69, 69, 78, 128, 70, 73, 70, 84, 
-    69, 69, 206, 70, 73, 69, 76, 68, 128, 70, 72, 84, 79, 82, 193, 70, 70, 
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-    65, 69, 84, 128, 70, 69, 83, 84, 73, 86, 65, 76, 128, 70, 69, 82, 82, 89, 
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-    82, 77, 65, 84, 193, 70, 69, 79, 200, 70, 69, 78, 199, 70, 69, 78, 67, 
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-    70, 69, 77, 65, 76, 197, 70, 69, 76, 76, 79, 87, 83, 72, 73, 80, 128, 70, 
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-    65, 78, 128, 70, 65, 84, 72, 65, 84, 65, 206, 70, 65, 84, 72, 65, 128, 
-    70, 65, 84, 72, 193, 70, 65, 84, 128, 70, 65, 82, 83, 201, 70, 65, 81, 
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-    73, 211, 70, 65, 78, 128, 70, 65, 77, 73, 76, 89, 128, 70, 65, 76, 76, 
-    73, 78, 199, 70, 65, 76, 76, 69, 206, 70, 65, 73, 76, 85, 82, 69, 128, 
-    70, 65, 73, 72, 85, 128, 70, 65, 72, 82, 69, 78, 72, 69, 73, 84, 128, 70, 
-    65, 67, 84, 79, 82, 89, 128, 70, 65, 67, 84, 79, 210, 70, 65, 67, 83, 73, 
-    77, 73, 76, 197, 70, 65, 67, 69, 45, 54, 128, 70, 65, 67, 69, 45, 53, 
-    128, 70, 65, 67, 69, 45, 52, 128, 70, 65, 67, 69, 45, 51, 128, 70, 65, 
-    67, 69, 45, 50, 128, 70, 65, 67, 69, 45, 49, 128, 70, 65, 65, 77, 65, 69, 
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-    70, 48, 53, 50, 128, 70, 48, 53, 49, 67, 128, 70, 48, 53, 49, 66, 128, 
-    70, 48, 53, 49, 65, 128, 70, 48, 53, 49, 128, 70, 48, 53, 48, 128, 70, 
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-    52, 55, 128, 70, 48, 52, 54, 65, 128, 70, 48, 52, 54, 128, 70, 48, 52, 
-    53, 65, 128, 70, 48, 52, 53, 128, 70, 48, 52, 52, 128, 70, 48, 52, 51, 
-    128, 70, 48, 52, 50, 128, 70, 48, 52, 49, 128, 70, 48, 52, 48, 128, 70, 
-    48, 51, 57, 128, 70, 48, 51, 56, 65, 128, 70, 48, 51, 56, 128, 70, 48, 
-    51, 55, 65, 128, 70, 48, 51, 55, 128, 70, 48, 51, 54, 128, 70, 48, 51, 
-    53, 128, 70, 48, 51, 52, 128, 70, 48, 51, 51, 128, 70, 48, 51, 50, 128, 
-    70, 48, 51, 49, 65, 128, 70, 48, 51, 49, 128, 70, 48, 51, 48, 128, 70, 
-    48, 50, 57, 128, 70, 48, 50, 56, 128, 70, 48, 50, 55, 128, 70, 48, 50, 
-    54, 128, 70, 48, 50, 53, 128, 70, 48, 50, 52, 128, 70, 48, 50, 51, 128, 
-    70, 48, 50, 50, 128, 70, 48, 50, 49, 65, 128, 70, 48, 50, 49, 128, 70, 
-    48, 50, 48, 128, 70, 48, 49, 57, 128, 70, 48, 49, 56, 128, 70, 48, 49, 
-    55, 128, 70, 48, 49, 54, 128, 70, 48, 49, 53, 128, 70, 48, 49, 52, 128, 
-    70, 48, 49, 51, 65, 128, 70, 48, 49, 51, 128, 70, 48, 49, 50, 128, 70, 
-    48, 49, 49, 128, 70, 48, 49, 48, 128, 70, 48, 48, 57, 128, 70, 48, 48, 
-    56, 128, 70, 48, 48, 55, 128, 70, 48, 48, 54, 128, 70, 48, 48, 53, 128, 
-    70, 48, 48, 52, 128, 70, 48, 48, 51, 128, 70, 48, 48, 50, 128, 70, 48, 
-    48, 49, 65, 128, 70, 48, 48, 49, 128, 69, 90, 200, 69, 90, 69, 78, 128, 
-    69, 90, 69, 206, 69, 90, 128, 69, 89, 69, 83, 128, 69, 89, 69, 71, 76, 
-    65, 83, 83, 69, 83, 128, 69, 89, 66, 69, 89, 70, 73, 76, 73, 128, 69, 89, 
-    65, 78, 78, 65, 128, 69, 88, 84, 82, 65, 84, 69, 82, 82, 69, 83, 84, 82, 
-    73, 65, 204, 69, 88, 84, 82, 65, 45, 76, 79, 215, 69, 88, 84, 82, 65, 45, 
-    72, 73, 71, 200, 69, 88, 84, 69, 78, 83, 73, 79, 78, 128, 69, 88, 84, 69, 
-    78, 68, 69, 196, 69, 88, 80, 82, 69, 83, 83, 73, 79, 78, 76, 69, 83, 211, 
-    69, 88, 80, 79, 78, 69, 78, 212, 69, 88, 79, 128, 69, 88, 207, 69, 88, 
-    73, 83, 84, 83, 128, 69, 88, 73, 83, 84, 128, 69, 88, 72, 65, 85, 83, 84, 
-    73, 79, 78, 128, 69, 88, 67, 76, 65, 77, 65, 84, 73, 79, 78, 128, 69, 88, 
-    67, 76, 65, 77, 65, 84, 73, 79, 206, 69, 88, 67, 72, 65, 78, 71, 69, 128, 
-    69, 88, 67, 69, 83, 83, 128, 69, 88, 67, 69, 76, 76, 69, 78, 84, 128, 69, 
-    87, 69, 128, 69, 86, 69, 82, 71, 82, 69, 69, 206, 69, 86, 69, 78, 73, 78, 
-    71, 128, 69, 85, 82, 79, 80, 69, 65, 206, 69, 85, 82, 79, 80, 69, 45, 65, 
-    70, 82, 73, 67, 65, 128, 69, 85, 82, 79, 45, 67, 85, 82, 82, 69, 78, 67, 
-    217, 69, 85, 82, 207, 69, 85, 76, 69, 210, 69, 85, 45, 85, 128, 69, 85, 
-    45, 79, 128, 69, 85, 45, 69, 85, 128, 69, 85, 45, 69, 79, 128, 69, 85, 
-    45, 69, 128, 69, 85, 45, 65, 128, 69, 84, 88, 128, 69, 84, 78, 65, 72, 
-    84, 65, 128, 69, 84, 72, 69, 204, 69, 84, 69, 82, 79, 206, 69, 84, 69, 
-    82, 78, 73, 84, 89, 128, 69, 84, 66, 128, 69, 83, 85, 75, 85, 85, 68, 79, 
-    128, 69, 83, 84, 73, 77, 65, 84, 69, 83, 128, 69, 83, 84, 73, 77, 65, 84, 
-    69, 196, 69, 83, 72, 69, 51, 128, 69, 83, 72, 50, 49, 128, 69, 83, 72, 
-    178, 69, 83, 72, 49, 54, 128, 69, 83, 67, 65, 80, 69, 128, 69, 83, 67, 
-    128, 69, 83, 65, 128, 69, 83, 45, 84, 69, 128, 69, 82, 82, 79, 82, 45, 
-    66, 65, 82, 82, 69, 196, 69, 82, 82, 128, 69, 82, 73, 78, 50, 128, 69, 
-    82, 71, 128, 69, 82, 65, 83, 197, 69, 81, 85, 73, 86, 65, 76, 69, 78, 
-    212, 69, 81, 85, 73, 68, 128, 69, 81, 85, 73, 65, 78, 71, 85, 76, 65, 
-    210, 69, 81, 85, 65, 76, 83, 128, 69, 81, 85, 65, 76, 211, 69, 81, 85, 
-    65, 76, 128, 69, 80, 83, 73, 76, 79, 78, 128, 69, 80, 83, 73, 76, 79, 
+    73, 78, 73, 84, 197, 70, 73, 78, 71, 69, 82, 83, 128, 70, 73, 78, 71, 69, 
+    82, 211, 70, 73, 78, 71, 69, 82, 78, 65, 73, 76, 83, 128, 70, 73, 78, 71, 
+    69, 82, 69, 196, 70, 73, 78, 71, 69, 82, 45, 80, 79, 83, 212, 70, 73, 78, 
+    71, 69, 210, 70, 73, 78, 65, 78, 67, 73, 65, 76, 128, 70, 73, 78, 65, 76, 
+    128, 70, 73, 76, 205, 70, 73, 76, 76, 69, 82, 128, 70, 73, 76, 76, 69, 
+    196, 70, 73, 76, 76, 128, 70, 73, 76, 204, 70, 73, 76, 197, 70, 73, 73, 
+    128, 70, 73, 71, 85, 82, 69, 45, 51, 128, 70, 73, 71, 85, 82, 69, 45, 50, 
+    128, 70, 73, 71, 85, 82, 69, 45, 49, 128, 70, 73, 71, 85, 82, 197, 70, 
+    73, 71, 72, 84, 128, 70, 73, 70, 84, 89, 128, 70, 73, 70, 84, 217, 70, 
+    73, 70, 84, 72, 83, 128, 70, 73, 70, 84, 72, 128, 70, 73, 70, 84, 69, 69, 
+    78, 128, 70, 73, 70, 84, 69, 69, 206, 70, 73, 69, 76, 68, 128, 70, 72, 
+    84, 79, 82, 193, 70, 70, 76, 128, 70, 70, 73, 128, 70, 69, 85, 88, 128, 
+    70, 69, 85, 70, 69, 85, 65, 69, 84, 128, 70, 69, 83, 84, 73, 86, 65, 76, 
+    128, 70, 69, 82, 82, 89, 128, 70, 69, 82, 82, 73, 211, 70, 69, 82, 77, 
+    65, 84, 65, 128, 70, 69, 82, 77, 65, 84, 193, 70, 69, 79, 200, 70, 69, 
+    78, 199, 70, 69, 78, 67, 69, 128, 70, 69, 77, 73, 78, 73, 78, 197, 70, 
+    69, 77, 65, 76, 69, 128, 70, 69, 77, 65, 76, 197, 70, 69, 76, 76, 79, 87, 
+    83, 72, 73, 80, 128, 70, 69, 73, 128, 70, 69, 72, 213, 70, 69, 72, 128, 
+    70, 69, 200, 70, 69, 69, 78, 71, 128, 70, 69, 69, 77, 128, 70, 69, 69, 
+    68, 128, 70, 69, 69, 196, 70, 69, 69, 128, 70, 69, 66, 82, 85, 65, 82, 
+    89, 128, 70, 69, 65, 84, 72, 69, 82, 128, 70, 69, 65, 84, 72, 69, 210, 
+    70, 69, 65, 82, 78, 128, 70, 69, 65, 82, 70, 85, 204, 70, 69, 65, 82, 
+    128, 70, 65, 89, 65, 78, 78, 65, 128, 70, 65, 89, 128, 70, 65, 88, 128, 
+    70, 65, 216, 70, 65, 84, 73, 71, 85, 69, 128, 70, 65, 84, 72, 69, 82, 
+    128, 70, 65, 84, 72, 69, 210, 70, 65, 84, 72, 65, 84, 65, 78, 128, 70, 
+    65, 84, 72, 65, 84, 65, 206, 70, 65, 84, 72, 65, 128, 70, 65, 84, 72, 
+    193, 70, 65, 84, 128, 70, 65, 82, 83, 201, 70, 65, 81, 128, 70, 65, 80, 
+    128, 70, 65, 78, 71, 128, 70, 65, 78, 69, 82, 79, 83, 73, 211, 70, 65, 
+    78, 128, 70, 65, 77, 73, 76, 89, 128, 70, 65, 77, 128, 70, 65, 76, 76, 
+    69, 206, 70, 65, 74, 128, 70, 65, 73, 76, 85, 82, 69, 128, 70, 65, 73, 
+    72, 85, 128, 70, 65, 73, 66, 128, 70, 65, 72, 82, 69, 78, 72, 69, 73, 84, 
+    128, 70, 65, 67, 84, 79, 82, 89, 128, 70, 65, 67, 84, 79, 210, 70, 65, 
+    67, 83, 73, 77, 73, 76, 197, 70, 65, 67, 69, 45, 54, 128, 70, 65, 67, 69, 
+    45, 53, 128, 70, 65, 67, 69, 45, 52, 128, 70, 65, 67, 69, 45, 51, 128, 
+    70, 65, 67, 69, 45, 50, 128, 70, 65, 67, 69, 45, 49, 128, 70, 65, 65, 77, 
+    65, 69, 128, 70, 65, 65, 73, 128, 70, 65, 65, 70, 85, 128, 70, 48, 53, 
+    51, 128, 70, 48, 53, 50, 128, 70, 48, 53, 49, 67, 128, 70, 48, 53, 49, 
+    66, 128, 70, 48, 53, 49, 65, 128, 70, 48, 53, 49, 128, 70, 48, 53, 48, 
+    128, 70, 48, 52, 57, 128, 70, 48, 52, 56, 128, 70, 48, 52, 55, 65, 128, 
+    70, 48, 52, 55, 128, 70, 48, 52, 54, 65, 128, 70, 48, 52, 54, 128, 70, 
+    48, 52, 53, 65, 128, 70, 48, 52, 53, 128, 70, 48, 52, 52, 128, 70, 48, 
+    52, 51, 128, 70, 48, 52, 50, 128, 70, 48, 52, 49, 128, 70, 48, 52, 48, 
+    128, 70, 48, 51, 57, 128, 70, 48, 51, 56, 65, 128, 70, 48, 51, 56, 128, 
+    70, 48, 51, 55, 65, 128, 70, 48, 51, 55, 128, 70, 48, 51, 54, 128, 70, 
+    48, 51, 53, 128, 70, 48, 51, 52, 128, 70, 48, 51, 51, 128, 70, 48, 51, 
+    50, 128, 70, 48, 51, 49, 65, 128, 70, 48, 51, 49, 128, 70, 48, 51, 48, 
+    128, 70, 48, 50, 57, 128, 70, 48, 50, 56, 128, 70, 48, 50, 55, 128, 70, 
+    48, 50, 54, 128, 70, 48, 50, 53, 128, 70, 48, 50, 52, 128, 70, 48, 50, 
+    51, 128, 70, 48, 50, 50, 128, 70, 48, 50, 49, 65, 128, 70, 48, 50, 49, 
+    128, 70, 48, 50, 48, 128, 70, 48, 49, 57, 128, 70, 48, 49, 56, 128, 70, 
+    48, 49, 55, 128, 70, 48, 49, 54, 128, 70, 48, 49, 53, 128, 70, 48, 49, 
+    52, 128, 70, 48, 49, 51, 65, 128, 70, 48, 49, 51, 128, 70, 48, 49, 50, 
+    128, 70, 48, 49, 49, 128, 70, 48, 49, 48, 128, 70, 48, 48, 57, 128, 70, 
+    48, 48, 56, 128, 70, 48, 48, 55, 128, 70, 48, 48, 54, 128, 70, 48, 48, 
+    53, 128, 70, 48, 48, 52, 128, 70, 48, 48, 51, 128, 70, 48, 48, 50, 128, 
+    70, 48, 48, 49, 65, 128, 70, 48, 48, 49, 128, 69, 90, 200, 69, 90, 69, 
+    78, 128, 69, 90, 69, 206, 69, 90, 128, 69, 89, 89, 89, 128, 69, 89, 69, 
+    83, 128, 69, 89, 69, 71, 76, 65, 83, 83, 69, 83, 128, 69, 89, 66, 69, 89, 
+    70, 73, 76, 73, 128, 69, 89, 65, 78, 78, 65, 128, 69, 88, 84, 82, 69, 77, 
+    69, 76, 217, 69, 88, 84, 82, 65, 84, 69, 82, 82, 69, 83, 84, 82, 73, 65, 
+    204, 69, 88, 84, 82, 65, 45, 76, 79, 215, 69, 88, 84, 82, 65, 45, 72, 73, 
+    71, 200, 69, 88, 84, 69, 78, 83, 73, 79, 78, 128, 69, 88, 84, 69, 78, 68, 
+    69, 68, 128, 69, 88, 84, 69, 78, 68, 69, 196, 69, 88, 80, 82, 69, 83, 83, 
+    73, 79, 78, 76, 69, 83, 211, 69, 88, 80, 79, 78, 69, 78, 212, 69, 88, 79, 
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+    69, 88, 72, 65, 85, 83, 84, 73, 79, 78, 128, 69, 88, 67, 76, 65, 77, 65, 
+    84, 73, 79, 78, 128, 69, 88, 67, 76, 65, 77, 65, 84, 73, 79, 206, 69, 88, 
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+    76, 76, 69, 78, 84, 128, 69, 87, 69, 128, 69, 86, 69, 82, 71, 82, 69, 69, 
+    206, 69, 86, 69, 78, 73, 78, 71, 128, 69, 85, 82, 79, 80, 69, 65, 206, 
+    69, 85, 82, 79, 80, 69, 45, 65, 70, 82, 73, 67, 65, 128, 69, 85, 82, 79, 
+    45, 67, 85, 82, 82, 69, 78, 67, 217, 69, 85, 82, 207, 69, 85, 76, 69, 
+    210, 69, 85, 45, 85, 128, 69, 85, 45, 79, 128, 69, 85, 45, 69, 85, 128, 
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+    84, 69, 82, 79, 206, 69, 84, 69, 82, 78, 73, 84, 89, 128, 69, 84, 69, 82, 
+    78, 73, 84, 217, 69, 84, 66, 128, 69, 83, 85, 75, 85, 85, 68, 79, 128, 
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+    196, 69, 83, 72, 69, 51, 128, 69, 83, 72, 50, 49, 128, 69, 83, 72, 49, 
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+    83, 45, 49, 128, 69, 82, 82, 79, 82, 45, 66, 65, 82, 82, 69, 196, 69, 82, 
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+    82, 65, 204, 69, 81, 85, 73, 68, 128, 69, 81, 85, 73, 65, 78, 71, 85, 76, 
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+    85, 65, 76, 128, 69, 80, 83, 73, 76, 79, 78, 128, 69, 80, 83, 73, 76, 79, 
     206, 69, 80, 79, 67, 72, 128, 69, 80, 73, 71, 82, 65, 80, 72, 73, 195, 
     69, 80, 73, 68, 65, 85, 82, 69, 65, 206, 69, 80, 69, 78, 84, 72, 69, 84, 
-    73, 195, 69, 80, 69, 71, 69, 82, 77, 65, 128, 69, 79, 84, 128, 69, 79, 
-    77, 128, 69, 79, 76, 72, 88, 128, 69, 79, 76, 128, 69, 79, 72, 128, 69, 
-    78, 89, 128, 69, 78, 86, 69, 76, 79, 80, 69, 128, 69, 78, 86, 69, 76, 79, 
-    80, 197, 69, 78, 85, 77, 69, 82, 65, 84, 73, 79, 206, 69, 78, 84, 82, 89, 
-    45, 50, 128, 69, 78, 84, 82, 89, 45, 49, 128, 69, 78, 84, 82, 89, 128, 
-    69, 78, 84, 82, 217, 69, 78, 84, 72, 85, 83, 73, 65, 83, 77, 128, 69, 78, 
-    84, 69, 82, 80, 82, 73, 83, 69, 128, 69, 78, 84, 69, 82, 73, 78, 199, 69, 
-    78, 84, 69, 82, 128, 69, 78, 84, 69, 210, 69, 78, 81, 85, 73, 82, 89, 
-    128, 69, 78, 81, 128, 69, 78, 79, 211, 69, 78, 78, 128, 69, 78, 76, 65, 
-    82, 71, 69, 77, 69, 78, 84, 128, 69, 78, 71, 73, 78, 69, 128, 69, 78, 68, 
-    79, 70, 79, 78, 79, 78, 128, 69, 78, 68, 73, 78, 199, 69, 78, 68, 69, 80, 
-    128, 69, 78, 68, 69, 65, 86, 79, 85, 82, 128, 69, 78, 67, 79, 85, 78, 84, 
-    69, 82, 83, 128, 69, 78, 67, 76, 79, 83, 85, 82, 69, 128, 69, 78, 67, 76, 
-    79, 83, 73, 78, 199, 69, 78, 67, 128, 69, 78, 65, 82, 88, 73, 211, 69, 
-    78, 65, 82, 77, 79, 78, 73, 79, 211, 69, 77, 80, 84, 217, 69, 77, 80, 72, 
-    65, 84, 73, 195, 69, 77, 80, 72, 65, 83, 73, 211, 69, 77, 66, 82, 79, 73, 
-    68, 69, 82, 89, 128, 69, 77, 66, 76, 69, 77, 128, 69, 77, 66, 69, 76, 76, 
-    73, 83, 72, 77, 69, 78, 84, 128, 69, 77, 66, 69, 68, 68, 73, 78, 71, 128, 
-    69, 76, 84, 128, 69, 76, 76, 73, 80, 84, 73, 195, 69, 76, 76, 73, 80, 83, 
-    73, 83, 128, 69, 76, 76, 73, 80, 83, 69, 128, 69, 76, 73, 70, 73, 128, 
-    69, 76, 69, 86, 69, 78, 45, 84, 72, 73, 82, 84, 89, 128, 69, 76, 69, 86, 
-    69, 78, 128, 69, 76, 69, 86, 69, 206, 69, 76, 69, 80, 72, 65, 78, 84, 
-    128, 69, 76, 69, 77, 69, 78, 212, 69, 76, 69, 67, 84, 82, 73, 67, 65, 
-    204, 69, 76, 69, 67, 84, 82, 73, 195, 69, 76, 65, 70, 82, 79, 78, 128, 
-    69, 75, 83, 84, 82, 69, 80, 84, 79, 78, 128, 69, 75, 83, 128, 69, 75, 70, 
-    79, 78, 73, 84, 73, 75, 79, 78, 128, 69, 75, 65, 82, 65, 128, 69, 74, 69, 
-    67, 212, 69, 73, 83, 128, 69, 73, 71, 72, 84, 89, 128, 69, 73, 71, 72, 
-    84, 217, 69, 73, 71, 72, 84, 72, 83, 128, 69, 73, 71, 72, 84, 72, 211, 
-    69, 73, 71, 72, 84, 72, 128, 69, 73, 71, 72, 84, 69, 69, 78, 128, 69, 73, 
-    71, 72, 84, 69, 69, 206, 69, 73, 71, 72, 84, 45, 84, 72, 73, 82, 84, 89, 
-    128, 69, 73, 69, 128, 69, 72, 87, 65, 218, 69, 71, 89, 80, 84, 79, 76, 
-    79, 71, 73, 67, 65, 204, 69, 71, 73, 82, 128, 69, 71, 71, 128, 69, 69, 
-    89, 65, 78, 78, 65, 128, 69, 69, 75, 65, 65, 128, 69, 69, 72, 128, 69, 
-    69, 66, 69, 69, 70, 73, 76, 73, 128, 69, 68, 73, 84, 79, 82, 73, 65, 204, 
-    69, 68, 73, 78, 128, 69, 68, 68, 128, 69, 66, 69, 70, 73, 76, 73, 128, 
-    69, 65, 83, 84, 69, 82, 206, 69, 65, 83, 212, 69, 65, 82, 84, 72, 76, 
-    217, 69, 65, 82, 84, 72, 128, 69, 65, 82, 84, 200, 69, 65, 82, 83, 128, 
-    69, 65, 82, 76, 217, 69, 65, 77, 72, 65, 78, 67, 72, 79, 76, 76, 128, 69, 
-    65, 71, 76, 69, 128, 69, 65, 68, 72, 65, 68, 72, 128, 69, 65, 66, 72, 65, 
-    68, 72, 128, 69, 178, 69, 48, 51, 56, 128, 69, 48, 51, 55, 128, 69, 48, 
-    51, 54, 128, 69, 48, 51, 52, 65, 128, 69, 48, 51, 52, 128, 69, 48, 51, 
-    51, 128, 69, 48, 51, 50, 128, 69, 48, 51, 49, 128, 69, 48, 51, 48, 128, 
-    69, 48, 50, 57, 128, 69, 48, 50, 56, 65, 128, 69, 48, 50, 56, 128, 69, 
-    48, 50, 55, 128, 69, 48, 50, 54, 128, 69, 48, 50, 53, 128, 69, 48, 50, 
-    52, 128, 69, 48, 50, 51, 128, 69, 48, 50, 50, 128, 69, 48, 50, 49, 128, 
-    69, 48, 50, 48, 65, 128, 69, 48, 50, 48, 128, 69, 48, 49, 57, 128, 69, 
-    48, 49, 56, 128, 69, 48, 49, 55, 65, 128, 69, 48, 49, 55, 128, 69, 48, 
-    49, 54, 65, 128, 69, 48, 49, 54, 128, 69, 48, 49, 53, 128, 69, 48, 49, 
-    52, 128, 69, 48, 49, 51, 128, 69, 48, 49, 50, 128, 69, 48, 49, 49, 128, 
-    69, 48, 49, 48, 128, 69, 48, 48, 57, 65, 128, 69, 48, 48, 57, 128, 69, 
-    48, 48, 56, 65, 128, 69, 48, 48, 56, 128, 69, 48, 48, 55, 128, 69, 48, 
-    48, 54, 128, 69, 48, 48, 53, 128, 69, 48, 48, 52, 128, 69, 48, 48, 51, 
-    128, 69, 48, 48, 50, 128, 69, 48, 48, 49, 128, 69, 45, 77, 65, 73, 204, 
-    68, 90, 90, 69, 128, 68, 90, 90, 65, 128, 68, 90, 87, 69, 128, 68, 90, 
-    85, 128, 68, 90, 79, 128, 68, 90, 74, 69, 128, 68, 90, 73, 128, 68, 90, 
-    72, 69, 128, 68, 90, 72, 65, 128, 68, 90, 69, 76, 79, 128, 68, 90, 69, 
-    69, 128, 68, 90, 69, 128, 68, 90, 65, 65, 128, 68, 90, 65, 128, 68, 90, 
-    128, 68, 218, 68, 89, 79, 128, 68, 89, 207, 68, 89, 69, 72, 128, 68, 89, 
-    69, 200, 68, 87, 79, 128, 68, 87, 69, 128, 68, 87, 65, 128, 68, 86, 73, 
-    83, 86, 65, 82, 65, 128, 68, 86, 68, 128, 68, 86, 128, 68, 85, 84, 73, 
-    69, 83, 128, 68, 85, 83, 75, 128, 68, 85, 83, 72, 69, 78, 78, 65, 128, 
-    68, 85, 82, 65, 84, 73, 79, 78, 128, 68, 85, 82, 50, 128, 68, 85, 80, 79, 
-    78, 68, 73, 85, 211, 68, 85, 79, 88, 128, 68, 85, 79, 128, 68, 85, 78, 
-    52, 128, 68, 85, 78, 51, 128, 68, 85, 78, 179, 68, 85, 77, 128, 68, 85, 
-    204, 68, 85, 72, 128, 68, 85, 71, 85, 68, 128, 68, 85, 66, 50, 128, 68, 
-    85, 66, 128, 68, 85, 194, 68, 82, 89, 128, 68, 82, 217, 68, 82, 85, 77, 
-    128, 68, 82, 85, 205, 68, 82, 79, 80, 83, 128, 68, 82, 79, 80, 76, 69, 
-    84, 128, 68, 82, 79, 80, 45, 83, 72, 65, 68, 79, 87, 69, 196, 68, 82, 79, 
-    77, 69, 68, 65, 82, 217, 68, 82, 73, 86, 69, 128, 68, 82, 73, 86, 197, 
-    68, 82, 73, 78, 75, 128, 68, 82, 73, 204, 68, 82, 69, 83, 83, 128, 68, 
-    82, 65, 85, 71, 72, 84, 211, 68, 82, 65, 77, 128, 68, 82, 65, 205, 68, 
-    82, 65, 71, 79, 78, 128, 68, 82, 65, 71, 79, 206, 68, 82, 65, 70, 84, 73, 
-    78, 199, 68, 82, 65, 67, 72, 77, 65, 83, 128, 68, 82, 65, 67, 72, 77, 65, 
-    128, 68, 82, 65, 67, 72, 77, 193, 68, 79, 87, 78, 87, 65, 82, 68, 83, 
-    128, 68, 79, 87, 78, 87, 65, 82, 68, 211, 68, 79, 87, 78, 45, 80, 79, 73, 
-    78, 84, 73, 78, 199, 68, 79, 87, 78, 128, 68, 79, 86, 69, 128, 68, 79, 
-    85, 71, 72, 78, 85, 84, 128, 68, 79, 85, 66, 84, 128, 68, 79, 85, 66, 76, 
-    69, 196, 68, 79, 85, 66, 76, 69, 45, 76, 73, 78, 197, 68, 79, 85, 66, 76, 
-    69, 45, 69, 78, 68, 69, 196, 68, 79, 85, 66, 76, 69, 128, 68, 79, 84, 84, 
-    69, 68, 45, 80, 128, 68, 79, 84, 84, 69, 68, 45, 78, 128, 68, 79, 84, 84, 
-    69, 68, 45, 76, 128, 68, 79, 84, 84, 69, 68, 128, 68, 79, 84, 84, 69, 
-    196, 68, 79, 84, 83, 45, 56, 128, 68, 79, 84, 83, 45, 55, 56, 128, 68, 
-    79, 84, 83, 45, 55, 128, 68, 79, 84, 83, 45, 54, 56, 128, 68, 79, 84, 83, 
-    45, 54, 55, 56, 128, 68, 79, 84, 83, 45, 54, 55, 128, 68, 79, 84, 83, 45, 
-    54, 128, 68, 79, 84, 83, 45, 53, 56, 128, 68, 79, 84, 83, 45, 53, 55, 56, 
-    128, 68, 79, 84, 83, 45, 53, 55, 128, 68, 79, 84, 83, 45, 53, 54, 56, 
-    128, 68, 79, 84, 83, 45, 53, 54, 55, 56, 128, 68, 79, 84, 83, 45, 53, 54, 
-    55, 128, 68, 79, 84, 83, 45, 53, 54, 128, 68, 79, 84, 83, 45, 53, 128, 
-    68, 79, 84, 83, 45, 52, 56, 128, 68, 79, 84, 83, 45, 52, 55, 56, 128, 68, 
-    79, 84, 83, 45, 52, 55, 128, 68, 79, 84, 83, 45, 52, 54, 56, 128, 68, 79, 
-    84, 83, 45, 52, 54, 55, 56, 128, 68, 79, 84, 83, 45, 52, 54, 55, 128, 68, 
-    79, 84, 83, 45, 52, 54, 128, 68, 79, 84, 83, 45, 52, 53, 56, 128, 68, 79, 
-    84, 83, 45, 52, 53, 55, 56, 128, 68, 79, 84, 83, 45, 52, 53, 55, 128, 68, 
-    79, 84, 83, 45, 52, 53, 54, 56, 128, 68, 79, 84, 83, 45, 52, 53, 54, 55, 
-    56, 128, 68, 79, 84, 83, 45, 52, 53, 54, 55, 128, 68, 79, 84, 83, 45, 52, 
-    53, 54, 128, 68, 79, 84, 83, 45, 52, 53, 128, 68, 79, 84, 83, 45, 52, 
-    128, 68, 79, 84, 83, 45, 51, 56, 128, 68, 79, 84, 83, 45, 51, 55, 56, 
-    128, 68, 79, 84, 83, 45, 51, 55, 128, 68, 79, 84, 83, 45, 51, 54, 56, 
+    73, 195, 69, 80, 69, 71, 69, 82, 77, 65, 128, 69, 80, 65, 67, 212, 69, 
+    79, 84, 128, 69, 79, 77, 128, 69, 79, 76, 72, 88, 128, 69, 79, 76, 128, 
+    69, 79, 72, 128, 69, 78, 89, 128, 69, 78, 86, 69, 76, 79, 80, 69, 128, 
+    69, 78, 86, 69, 76, 79, 80, 197, 69, 78, 85, 77, 69, 82, 65, 84, 73, 79, 
+    206, 69, 78, 84, 82, 89, 45, 50, 128, 69, 78, 84, 82, 89, 45, 49, 128, 
+    69, 78, 84, 82, 89, 128, 69, 78, 84, 82, 217, 69, 78, 84, 72, 85, 83, 73, 
+    65, 83, 77, 128, 69, 78, 84, 69, 82, 80, 82, 73, 83, 69, 128, 69, 78, 84, 
+    69, 82, 73, 78, 199, 69, 78, 84, 69, 82, 128, 69, 78, 84, 69, 210, 69, 
+    78, 81, 85, 73, 82, 89, 128, 69, 78, 81, 128, 69, 78, 79, 211, 69, 78, 
+    78, 73, 128, 69, 78, 78, 128, 69, 78, 76, 65, 82, 71, 69, 77, 69, 78, 84, 
+    128, 69, 78, 71, 73, 78, 69, 128, 69, 78, 68, 79, 70, 79, 78, 79, 78, 
+    128, 69, 78, 68, 73, 78, 199, 69, 78, 68, 69, 80, 128, 69, 78, 68, 69, 
+    65, 86, 79, 85, 82, 128, 69, 78, 67, 79, 85, 78, 84, 69, 82, 83, 128, 69, 
+    78, 67, 76, 79, 83, 85, 82, 69, 128, 69, 78, 67, 76, 79, 83, 73, 78, 199, 
+    69, 78, 67, 128, 69, 78, 65, 82, 88, 73, 211, 69, 78, 65, 82, 77, 79, 78, 
+    73, 79, 211, 69, 77, 80, 84, 217, 69, 77, 80, 72, 65, 84, 73, 195, 69, 
+    77, 80, 72, 65, 83, 73, 211, 69, 77, 66, 82, 79, 73, 68, 69, 82, 89, 128, 
+    69, 77, 66, 76, 69, 77, 128, 69, 77, 66, 69, 76, 76, 73, 83, 72, 77, 69, 
+    78, 84, 128, 69, 77, 66, 69, 68, 68, 73, 78, 71, 128, 69, 76, 84, 128, 
+    69, 76, 76, 73, 80, 84, 73, 195, 69, 76, 76, 73, 80, 83, 73, 83, 128, 69, 
+    76, 76, 73, 80, 83, 69, 128, 69, 76, 73, 70, 73, 128, 69, 76, 69, 86, 69, 
+    78, 45, 84, 72, 73, 82, 84, 89, 128, 69, 76, 69, 86, 69, 78, 128, 69, 76, 
+    69, 86, 69, 206, 69, 76, 69, 80, 72, 65, 78, 84, 128, 69, 76, 69, 77, 69, 
+    78, 212, 69, 76, 69, 67, 84, 82, 73, 67, 65, 204, 69, 76, 69, 67, 84, 82, 
+    73, 195, 69, 76, 66, 65, 83, 65, 206, 69, 76, 65, 77, 73, 84, 69, 128, 
+    69, 76, 65, 77, 73, 84, 197, 69, 76, 65, 70, 82, 79, 78, 128, 69, 75, 83, 
+    84, 82, 69, 80, 84, 79, 78, 128, 69, 75, 83, 128, 69, 75, 70, 79, 78, 73, 
+    84, 73, 75, 79, 78, 128, 69, 75, 65, 82, 65, 128, 69, 75, 65, 77, 128, 
+    69, 74, 69, 67, 212, 69, 73, 83, 128, 69, 73, 71, 72, 84, 89, 128, 69, 
+    73, 71, 72, 84, 217, 69, 73, 71, 72, 84, 72, 83, 128, 69, 73, 71, 72, 84, 
+    72, 211, 69, 73, 71, 72, 84, 72, 128, 69, 73, 71, 72, 84, 69, 69, 78, 
+    128, 69, 73, 71, 72, 84, 69, 69, 206, 69, 73, 71, 72, 84, 45, 84, 72, 73, 
+    82, 84, 89, 128, 69, 73, 69, 128, 69, 72, 87, 65, 218, 69, 71, 89, 80, 
+    84, 79, 76, 79, 71, 73, 67, 65, 204, 69, 71, 73, 82, 128, 69, 71, 71, 
+    128, 69, 69, 89, 65, 78, 78, 65, 128, 69, 69, 75, 65, 65, 128, 69, 69, 
+    72, 128, 69, 69, 66, 69, 69, 70, 73, 76, 73, 128, 69, 68, 73, 84, 79, 82, 
+    73, 65, 204, 69, 68, 73, 78, 128, 69, 68, 68, 128, 69, 66, 69, 70, 73, 
+    76, 73, 128, 69, 65, 83, 84, 69, 82, 206, 69, 65, 83, 84, 128, 69, 65, 
+    83, 212, 69, 65, 82, 84, 72, 76, 217, 69, 65, 82, 84, 72, 128, 69, 65, 
+    82, 84, 200, 69, 65, 82, 83, 128, 69, 65, 82, 76, 217, 69, 65, 77, 72, 
+    65, 78, 67, 72, 79, 76, 76, 128, 69, 65, 71, 76, 69, 128, 69, 65, 68, 72, 
+    65, 68, 72, 128, 69, 65, 66, 72, 65, 68, 72, 128, 69, 178, 69, 48, 51, 
+    56, 128, 69, 48, 51, 55, 128, 69, 48, 51, 54, 128, 69, 48, 51, 52, 65, 
+    128, 69, 48, 51, 52, 128, 69, 48, 51, 51, 128, 69, 48, 51, 50, 128, 69, 
+    48, 51, 49, 128, 69, 48, 51, 48, 128, 69, 48, 50, 57, 128, 69, 48, 50, 
+    56, 65, 128, 69, 48, 50, 56, 128, 69, 48, 50, 55, 128, 69, 48, 50, 54, 
+    128, 69, 48, 50, 53, 128, 69, 48, 50, 52, 128, 69, 48, 50, 51, 128, 69, 
+    48, 50, 50, 128, 69, 48, 50, 49, 128, 69, 48, 50, 48, 65, 128, 69, 48, 
+    50, 48, 128, 69, 48, 49, 57, 128, 69, 48, 49, 56, 128, 69, 48, 49, 55, 
+    65, 128, 69, 48, 49, 55, 128, 69, 48, 49, 54, 65, 128, 69, 48, 49, 54, 
+    128, 69, 48, 49, 53, 128, 69, 48, 49, 52, 128, 69, 48, 49, 51, 128, 69, 
+    48, 49, 50, 128, 69, 48, 49, 49, 128, 69, 48, 49, 48, 128, 69, 48, 48, 
+    57, 65, 128, 69, 48, 48, 57, 128, 69, 48, 48, 56, 65, 128, 69, 48, 48, 
+    56, 128, 69, 48, 48, 55, 128, 69, 48, 48, 54, 128, 69, 48, 48, 53, 128, 
+    69, 48, 48, 52, 128, 69, 48, 48, 51, 128, 69, 48, 48, 50, 128, 69, 48, 
+    48, 49, 128, 69, 45, 77, 65, 73, 204, 68, 90, 90, 72, 69, 128, 68, 90, 
+    90, 69, 128, 68, 90, 90, 65, 128, 68, 90, 89, 65, 89, 128, 68, 90, 87, 
+    69, 128, 68, 90, 85, 128, 68, 90, 79, 128, 68, 90, 74, 69, 128, 68, 90, 
+    73, 84, 65, 128, 68, 90, 73, 128, 68, 90, 72, 79, 73, 128, 68, 90, 72, 
+    69, 128, 68, 90, 72, 65, 128, 68, 90, 69, 76, 79, 128, 68, 90, 69, 69, 
+    128, 68, 90, 69, 128, 68, 90, 65, 89, 128, 68, 90, 65, 65, 128, 68, 90, 
+    65, 128, 68, 90, 128, 68, 218, 68, 89, 79, 128, 68, 89, 207, 68, 89, 69, 
+    72, 128, 68, 89, 69, 200, 68, 89, 65, 78, 128, 68, 87, 79, 128, 68, 87, 
+    69, 128, 68, 87, 65, 128, 68, 86, 73, 83, 86, 65, 82, 65, 128, 68, 86, 
+    68, 128, 68, 86, 128, 68, 85, 84, 73, 69, 83, 128, 68, 85, 83, 75, 128, 
+    68, 85, 83, 72, 69, 78, 78, 65, 128, 68, 85, 82, 65, 84, 73, 79, 78, 128, 
+    68, 85, 82, 50, 128, 68, 85, 80, 79, 78, 68, 73, 85, 211, 68, 85, 79, 88, 
+    128, 68, 85, 79, 128, 68, 85, 78, 52, 128, 68, 85, 78, 51, 128, 68, 85, 
+    78, 179, 68, 85, 77, 128, 68, 85, 204, 68, 85, 72, 128, 68, 85, 71, 85, 
+    68, 128, 68, 85, 66, 50, 128, 68, 85, 66, 128, 68, 85, 194, 68, 82, 89, 
+    128, 68, 82, 217, 68, 82, 85, 77, 128, 68, 82, 85, 205, 68, 82, 79, 80, 
+    83, 128, 68, 82, 79, 80, 76, 69, 84, 128, 68, 82, 79, 80, 45, 83, 72, 65, 
+    68, 79, 87, 69, 196, 68, 82, 79, 77, 69, 68, 65, 82, 217, 68, 82, 73, 86, 
+    69, 128, 68, 82, 73, 86, 197, 68, 82, 73, 78, 75, 128, 68, 82, 73, 204, 
+    68, 82, 69, 83, 83, 128, 68, 82, 65, 85, 71, 72, 84, 211, 68, 82, 65, 77, 
+    128, 68, 82, 65, 205, 68, 82, 65, 71, 79, 78, 128, 68, 82, 65, 71, 79, 
+    206, 68, 82, 65, 70, 84, 73, 78, 199, 68, 82, 65, 67, 72, 77, 65, 83, 
+    128, 68, 82, 65, 67, 72, 77, 65, 128, 68, 82, 65, 67, 72, 77, 193, 68, 
+    79, 87, 78, 87, 65, 82, 68, 83, 128, 68, 79, 87, 78, 45, 80, 79, 73, 78, 
+    84, 73, 78, 199, 68, 79, 87, 78, 128, 68, 79, 86, 69, 128, 68, 79, 86, 
+    197, 68, 79, 85, 71, 72, 78, 85, 84, 128, 68, 79, 85, 66, 84, 128, 68, 
+    79, 85, 66, 76, 69, 196, 68, 79, 85, 66, 76, 69, 45, 76, 73, 78, 197, 68, 
+    79, 85, 66, 76, 69, 45, 69, 78, 68, 69, 196, 68, 79, 85, 66, 76, 69, 128, 
+    68, 79, 84, 84, 69, 68, 45, 80, 128, 68, 79, 84, 84, 69, 68, 45, 78, 128, 
+    68, 79, 84, 84, 69, 68, 45, 76, 128, 68, 79, 84, 84, 69, 68, 128, 68, 79, 
+    84, 84, 69, 196, 68, 79, 84, 83, 45, 56, 128, 68, 79, 84, 83, 45, 55, 56, 
+    128, 68, 79, 84, 83, 45, 55, 128, 68, 79, 84, 83, 45, 54, 56, 128, 68, 
+    79, 84, 83, 45, 54, 55, 56, 128, 68, 79, 84, 83, 45, 54, 55, 128, 68, 79, 
+    84, 83, 45, 54, 128, 68, 79, 84, 83, 45, 53, 56, 128, 68, 79, 84, 83, 45, 
+    53, 55, 56, 128, 68, 79, 84, 83, 45, 53, 55, 128, 68, 79, 84, 83, 45, 53, 
+    54, 56, 128, 68, 79, 84, 83, 45, 53, 54, 55, 56, 128, 68, 79, 84, 83, 45, 
+    53, 54, 55, 128, 68, 79, 84, 83, 45, 53, 54, 128, 68, 79, 84, 83, 45, 53, 
+    128, 68, 79, 84, 83, 45, 52, 56, 128, 68, 79, 84, 83, 45, 52, 55, 56, 
+    128, 68, 79, 84, 83, 45, 52, 55, 128, 68, 79, 84, 83, 45, 52, 54, 56, 
+    128, 68, 79, 84, 83, 45, 52, 54, 55, 56, 128, 68, 79, 84, 83, 45, 52, 54, 
+    55, 128, 68, 79, 84, 83, 45, 52, 54, 128, 68, 79, 84, 83, 45, 52, 53, 56, 
+    128, 68, 79, 84, 83, 45, 52, 53, 55, 56, 128, 68, 79, 84, 83, 45, 52, 53, 
+    55, 128, 68, 79, 84, 83, 45, 52, 53, 54, 56, 128, 68, 79, 84, 83, 45, 52, 
+    53, 54, 55, 56, 128, 68, 79, 84, 83, 45, 52, 53, 54, 55, 128, 68, 79, 84, 
+    83, 45, 52, 53, 54, 128, 68, 79, 84, 83, 45, 52, 53, 128, 68, 79, 84, 83, 
+    45, 52, 128, 68, 79, 84, 83, 45, 51, 56, 128, 68, 79, 84, 83, 45, 51, 55, 
+    56, 128, 68, 79, 84, 83, 45, 51, 55, 128, 68, 79, 84, 83, 45, 51, 54, 56, 
     128, 68, 79, 84, 83, 45, 51, 54, 55, 56, 128, 68, 79, 84, 83, 45, 51, 54, 
     55, 128, 68, 79, 84, 83, 45, 51, 54, 128, 68, 79, 84, 83, 45, 51, 53, 56, 
     128, 68, 79, 84, 83, 45, 51, 53, 55, 56, 128, 68, 79, 84, 83, 45, 51, 53, 
@@ -3952,99 +4150,106 @@ static unsigned char lexicon[] = {
     71, 128, 68, 79, 78, 71, 128, 68, 79, 77, 65, 73, 206, 68, 79, 76, 80, 
     72, 73, 78, 128, 68, 79, 76, 76, 83, 128, 68, 79, 76, 76, 65, 210, 68, 
     79, 76, 73, 85, 77, 128, 68, 79, 75, 77, 65, 73, 128, 68, 79, 73, 84, 
-    128, 68, 79, 71, 128, 68, 79, 199, 68, 79, 69, 211, 68, 79, 68, 69, 75, 
-    65, 84, 65, 128, 68, 79, 66, 82, 79, 128, 68, 79, 65, 67, 72, 65, 83, 72, 
-    77, 69, 69, 128, 68, 79, 65, 67, 72, 65, 83, 72, 77, 69, 197, 68, 79, 65, 
-    128, 68, 79, 45, 79, 128, 68, 77, 128, 68, 205, 68, 76, 85, 128, 68, 76, 
-    79, 128, 68, 76, 73, 128, 68, 76, 72, 89, 65, 128, 68, 76, 72, 65, 128, 
-    68, 76, 69, 69, 128, 68, 76, 65, 128, 68, 76, 128, 68, 75, 65, 82, 128, 
-    68, 75, 65, 210, 68, 74, 69, 82, 86, 73, 128, 68, 74, 69, 82, 86, 128, 
-    68, 74, 69, 128, 68, 74, 65, 128, 68, 73, 90, 90, 217, 68, 73, 86, 79, 
-    82, 67, 197, 68, 73, 86, 73, 83, 73, 79, 78, 128, 68, 73, 86, 73, 83, 73, 
-    79, 206, 68, 73, 86, 73, 78, 65, 84, 73, 79, 78, 128, 68, 73, 86, 73, 68, 
-    69, 83, 128, 68, 73, 86, 73, 68, 69, 82, 128, 68, 73, 86, 73, 68, 69, 
-    196, 68, 73, 86, 73, 68, 69, 128, 68, 73, 86, 73, 68, 197, 68, 73, 86, 
-    69, 82, 71, 69, 78, 67, 69, 128, 68, 73, 84, 84, 207, 68, 73, 83, 84, 79, 
-    82, 84, 73, 79, 78, 128, 68, 73, 83, 84, 73, 78, 71, 85, 73, 83, 72, 128, 
-    68, 73, 83, 84, 73, 76, 76, 128, 68, 73, 83, 83, 79, 76, 86, 69, 45, 50, 
-    128, 68, 73, 83, 83, 79, 76, 86, 69, 128, 68, 73, 83, 80, 69, 82, 83, 73, 
-    79, 78, 128, 68, 73, 83, 75, 128, 68, 73, 83, 73, 77, 79, 85, 128, 68, 
-    73, 83, 72, 128, 68, 73, 83, 67, 79, 78, 84, 73, 78, 85, 79, 85, 211, 68, 
-    73, 83, 195, 68, 73, 83, 65, 80, 80, 79, 73, 78, 84, 69, 196, 68, 73, 83, 
-    65, 66, 76, 69, 196, 68, 73, 82, 71, 193, 68, 73, 82, 69, 67, 84, 76, 
-    217, 68, 73, 82, 69, 67, 84, 73, 79, 78, 65, 204, 68, 73, 80, 84, 69, 
-    128, 68, 73, 80, 80, 69, 82, 128, 68, 73, 80, 76, 79, 85, 78, 128, 68, 
-    73, 80, 76, 73, 128, 68, 73, 80, 76, 201, 68, 73, 78, 71, 66, 65, 212, 
-    68, 73, 206, 68, 73, 77, 77, 73, 78, 71, 128, 68, 73, 77, 73, 78, 85, 84, 
-    73, 79, 78, 45, 51, 128, 68, 73, 77, 73, 78, 85, 84, 73, 79, 78, 45, 50, 
-    128, 68, 73, 77, 73, 78, 85, 84, 73, 79, 78, 45, 49, 128, 68, 73, 77, 73, 
-    78, 73, 83, 72, 77, 69, 78, 84, 128, 68, 73, 77, 73, 68, 73, 193, 68, 73, 
-    77, 69, 78, 83, 73, 79, 78, 65, 204, 68, 73, 77, 69, 78, 83, 73, 79, 206, 
-    68, 73, 77, 50, 128, 68, 73, 76, 128, 68, 73, 71, 82, 65, 80, 72, 128, 
-    68, 73, 71, 82, 65, 80, 200, 68, 73, 71, 82, 65, 77, 77, 79, 211, 68, 73, 
-    71, 82, 65, 77, 77, 193, 68, 73, 71, 82, 65, 205, 68, 73, 71, 79, 82, 71, 
-    79, 78, 128, 68, 73, 71, 79, 82, 71, 79, 206, 68, 73, 71, 65, 77, 77, 65, 
-    128, 68, 73, 71, 193, 68, 73, 70, 84, 79, 71, 71, 79, 211, 68, 73, 70, 
-    79, 78, 73, 65, 83, 128, 68, 73, 70, 70, 73, 67, 85, 76, 84, 217, 68, 73, 
-    70, 70, 73, 67, 85, 76, 84, 73, 69, 83, 128, 68, 73, 70, 70, 69, 82, 69, 
-    78, 84, 73, 65, 76, 128, 68, 73, 70, 70, 69, 82, 69, 78, 67, 197, 68, 73, 
-    70, 65, 84, 128, 68, 73, 69, 83, 73, 83, 128, 68, 73, 69, 83, 73, 211, 
-    68, 73, 69, 80, 128, 68, 73, 197, 68, 73, 66, 128, 68, 73, 65, 84, 79, 
-    78, 79, 206, 68, 73, 65, 84, 79, 78, 73, 75, 201, 68, 73, 65, 83, 84, 79, 
-    76, 201, 68, 73, 65, 77, 79, 78, 68, 83, 128, 68, 73, 65, 77, 79, 78, 68, 
-    128, 68, 73, 65, 77, 79, 78, 196, 68, 73, 65, 77, 69, 84, 69, 210, 68, 
-    73, 65, 76, 89, 84, 73, 75, 65, 128, 68, 73, 65, 76, 89, 84, 73, 75, 193, 
-    68, 73, 65, 76, 69, 67, 84, 45, 208, 68, 73, 65, 71, 79, 78, 65, 76, 128, 
-    68, 73, 65, 71, 79, 78, 65, 204, 68, 73, 65, 69, 82, 69, 83, 73, 90, 69, 
-    196, 68, 73, 65, 69, 82, 69, 83, 73, 83, 128, 68, 73, 65, 69, 82, 69, 83, 
-    73, 211, 68, 72, 79, 85, 128, 68, 72, 79, 79, 128, 68, 72, 79, 128, 68, 
-    72, 73, 128, 68, 72, 72, 85, 128, 68, 72, 72, 79, 79, 128, 68, 72, 72, 
-    79, 128, 68, 72, 72, 73, 128, 68, 72, 72, 69, 69, 128, 68, 72, 72, 69, 
-    128, 68, 72, 72, 65, 128, 68, 72, 69, 69, 128, 68, 72, 65, 82, 77, 65, 
-    128, 68, 72, 65, 76, 69, 84, 72, 128, 68, 72, 65, 76, 65, 84, 72, 128, 
-    68, 72, 65, 76, 128, 68, 72, 65, 68, 72, 69, 128, 68, 72, 65, 65, 76, 85, 
-    128, 68, 72, 65, 65, 128, 68, 72, 65, 128, 68, 69, 90, 200, 68, 69, 89, 
-    84, 69, 82, 79, 213, 68, 69, 89, 84, 69, 82, 79, 211, 68, 69, 88, 73, 65, 
-    128, 68, 69, 86, 73, 67, 197, 68, 69, 86, 69, 76, 79, 80, 77, 69, 78, 84, 
-    128, 68, 69, 85, 78, 71, 128, 68, 69, 83, 203, 68, 69, 83, 73, 71, 78, 
-    128, 68, 69, 83, 73, 128, 68, 69, 83, 67, 82, 73, 80, 84, 73, 79, 206, 
-    68, 69, 83, 67, 69, 78, 68, 73, 78, 199, 68, 69, 83, 67, 69, 78, 68, 69, 
-    82, 128, 68, 69, 82, 69, 84, 45, 72, 73, 68, 69, 84, 128, 68, 69, 82, 69, 
-    84, 128, 68, 69, 80, 65, 82, 84, 85, 82, 69, 128, 68, 69, 80, 65, 82, 84, 
-    77, 69, 78, 212, 68, 69, 80, 65, 82, 84, 73, 78, 199, 68, 69, 78, 84, 73, 
-    83, 84, 82, 217, 68, 69, 78, 84, 65, 204, 68, 69, 78, 79, 77, 73, 78, 65, 
-    84, 79, 82, 128, 68, 69, 78, 79, 77, 73, 78, 65, 84, 79, 210, 68, 69, 78, 
-    78, 69, 78, 128, 68, 69, 78, 71, 128, 68, 69, 78, 197, 68, 69, 78, 65, 
-    82, 73, 85, 211, 68, 69, 76, 84, 65, 128, 68, 69, 76, 84, 193, 68, 69, 
-    76, 84, 128, 68, 69, 76, 80, 72, 73, 195, 68, 69, 76, 73, 86, 69, 82, 
-    217, 68, 69, 76, 73, 86, 69, 82, 65, 78, 67, 69, 128, 68, 69, 76, 73, 77, 
-    73, 84, 69, 82, 128, 68, 69, 76, 73, 77, 73, 84, 69, 210, 68, 69, 76, 73, 
-    67, 73, 79, 85, 211, 68, 69, 76, 69, 84, 69, 128, 68, 69, 76, 69, 84, 
-    197, 68, 69, 75, 65, 128, 68, 69, 75, 128, 68, 69, 73, 128, 68, 69, 72, 
-    73, 128, 68, 69, 71, 82, 69, 197, 68, 69, 70, 73, 78, 73, 84, 73, 79, 78, 
+    128, 68, 79, 73, 128, 68, 79, 71, 128, 68, 79, 199, 68, 79, 69, 211, 68, 
+    79, 68, 69, 75, 65, 84, 65, 128, 68, 79, 67, 85, 77, 69, 78, 84, 128, 68, 
+    79, 67, 85, 77, 69, 78, 212, 68, 79, 66, 82, 79, 128, 68, 79, 65, 67, 72, 
+    65, 83, 72, 77, 69, 69, 128, 68, 79, 65, 67, 72, 65, 83, 72, 77, 69, 197, 
+    68, 79, 65, 128, 68, 79, 45, 79, 128, 68, 77, 128, 68, 205, 68, 76, 85, 
+    128, 68, 76, 79, 128, 68, 76, 73, 128, 68, 76, 72, 89, 65, 128, 68, 76, 
+    72, 65, 128, 68, 76, 69, 69, 128, 68, 76, 65, 128, 68, 76, 128, 68, 75, 
+    65, 82, 128, 68, 75, 65, 210, 68, 74, 69, 82, 86, 73, 128, 68, 74, 69, 
+    82, 86, 128, 68, 74, 69, 128, 68, 74, 65, 128, 68, 73, 90, 90, 217, 68, 
+    73, 86, 79, 82, 67, 197, 68, 73, 86, 73, 83, 73, 79, 78, 128, 68, 73, 86, 
+    73, 83, 73, 79, 206, 68, 73, 86, 73, 78, 65, 84, 73, 79, 78, 128, 68, 73, 
+    86, 73, 68, 69, 83, 128, 68, 73, 86, 73, 68, 69, 82, 83, 128, 68, 73, 86, 
+    73, 68, 69, 82, 128, 68, 73, 86, 73, 68, 69, 196, 68, 73, 86, 73, 68, 69, 
+    128, 68, 73, 86, 73, 68, 197, 68, 73, 86, 69, 82, 71, 69, 78, 67, 69, 
+    128, 68, 73, 84, 84, 207, 68, 73, 83, 84, 79, 82, 84, 73, 79, 78, 128, 
+    68, 73, 83, 84, 73, 78, 71, 85, 73, 83, 72, 128, 68, 73, 83, 84, 73, 76, 
+    76, 128, 68, 73, 83, 83, 79, 76, 86, 69, 45, 50, 128, 68, 73, 83, 83, 79, 
+    76, 86, 69, 128, 68, 73, 83, 80, 69, 82, 83, 73, 79, 78, 128, 68, 73, 83, 
+    75, 128, 68, 73, 83, 73, 77, 79, 85, 128, 68, 73, 83, 72, 128, 68, 73, 
+    83, 67, 79, 78, 84, 73, 78, 85, 79, 85, 211, 68, 73, 83, 195, 68, 73, 83, 
+    65, 80, 80, 79, 73, 78, 84, 69, 196, 68, 73, 83, 65, 66, 76, 69, 196, 68, 
+    73, 82, 71, 193, 68, 73, 82, 69, 67, 84, 76, 217, 68, 73, 82, 69, 67, 84, 
+    73, 79, 78, 65, 204, 68, 73, 80, 84, 69, 128, 68, 73, 80, 80, 69, 82, 
+    128, 68, 73, 80, 76, 79, 85, 78, 128, 68, 73, 80, 76, 73, 128, 68, 73, 
+    80, 76, 201, 68, 73, 78, 71, 66, 65, 212, 68, 73, 206, 68, 73, 77, 77, 
+    73, 78, 71, 128, 68, 73, 77, 73, 78, 85, 84, 73, 79, 78, 45, 51, 128, 68, 
+    73, 77, 73, 78, 85, 84, 73, 79, 78, 45, 50, 128, 68, 73, 77, 73, 78, 85, 
+    84, 73, 79, 78, 45, 49, 128, 68, 73, 77, 73, 78, 73, 83, 72, 77, 69, 78, 
+    84, 128, 68, 73, 77, 73, 68, 73, 193, 68, 73, 77, 69, 78, 83, 73, 79, 78, 
+    65, 204, 68, 73, 77, 69, 78, 83, 73, 79, 206, 68, 73, 77, 50, 128, 68, 
+    73, 76, 128, 68, 73, 71, 82, 65, 80, 72, 128, 68, 73, 71, 82, 65, 80, 
+    200, 68, 73, 71, 82, 65, 77, 77, 79, 211, 68, 73, 71, 82, 65, 77, 77, 
+    193, 68, 73, 71, 82, 65, 205, 68, 73, 71, 79, 82, 71, 79, 78, 128, 68, 
+    73, 71, 79, 82, 71, 79, 206, 68, 73, 71, 65, 77, 77, 65, 128, 68, 73, 71, 
+    193, 68, 73, 70, 84, 79, 71, 71, 79, 211, 68, 73, 70, 79, 78, 73, 65, 83, 
+    128, 68, 73, 70, 70, 73, 67, 85, 76, 84, 217, 68, 73, 70, 70, 73, 67, 85, 
+    76, 84, 73, 69, 83, 128, 68, 73, 70, 70, 69, 82, 69, 78, 84, 73, 65, 76, 
+    128, 68, 73, 70, 70, 69, 82, 69, 78, 67, 197, 68, 73, 70, 65, 84, 128, 
+    68, 73, 69, 83, 73, 83, 128, 68, 73, 69, 83, 73, 211, 68, 73, 69, 83, 69, 
+    204, 68, 73, 69, 80, 128, 68, 73, 197, 68, 73, 66, 128, 68, 73, 65, 84, 
+    79, 78, 79, 206, 68, 73, 65, 84, 79, 78, 73, 75, 201, 68, 73, 65, 83, 84, 
+    79, 76, 201, 68, 73, 65, 77, 79, 78, 68, 83, 128, 68, 73, 65, 77, 79, 78, 
+    68, 128, 68, 73, 65, 77, 79, 78, 196, 68, 73, 65, 77, 69, 84, 69, 210, 
+    68, 73, 65, 76, 89, 84, 73, 75, 65, 128, 68, 73, 65, 76, 89, 84, 73, 75, 
+    193, 68, 73, 65, 76, 69, 67, 84, 45, 208, 68, 73, 65, 71, 79, 78, 65, 76, 
+    128, 68, 73, 65, 71, 79, 78, 65, 204, 68, 73, 65, 69, 82, 69, 83, 73, 90, 
+    69, 196, 68, 73, 65, 69, 82, 69, 83, 73, 83, 45, 82, 73, 78, 71, 128, 68, 
+    73, 65, 69, 82, 69, 83, 73, 83, 128, 68, 73, 65, 69, 82, 69, 83, 73, 211, 
+    68, 72, 79, 85, 128, 68, 72, 79, 79, 128, 68, 72, 79, 128, 68, 72, 73, 
+    73, 128, 68, 72, 73, 128, 68, 72, 72, 85, 128, 68, 72, 72, 79, 79, 128, 
+    68, 72, 72, 79, 128, 68, 72, 72, 73, 128, 68, 72, 72, 69, 69, 128, 68, 
+    72, 72, 69, 128, 68, 72, 72, 65, 128, 68, 72, 69, 69, 128, 68, 72, 65, 
+    82, 77, 65, 128, 68, 72, 65, 77, 69, 68, 72, 128, 68, 72, 65, 76, 69, 84, 
+    72, 128, 68, 72, 65, 76, 65, 84, 72, 128, 68, 72, 65, 76, 128, 68, 72, 
+    65, 68, 72, 69, 128, 68, 72, 65, 65, 76, 85, 128, 68, 72, 65, 65, 128, 
+    68, 72, 65, 128, 68, 69, 90, 200, 68, 69, 89, 84, 69, 82, 79, 213, 68, 
+    69, 89, 84, 69, 82, 79, 211, 68, 69, 88, 73, 65, 128, 68, 69, 86, 73, 67, 
+    197, 68, 69, 86, 69, 76, 79, 80, 77, 69, 78, 84, 128, 68, 69, 85, 78, 71, 
+    128, 68, 69, 83, 75, 84, 79, 208, 68, 69, 83, 203, 68, 69, 83, 73, 71, 
+    78, 128, 68, 69, 83, 73, 128, 68, 69, 83, 69, 82, 84, 128, 68, 69, 83, 
+    69, 82, 212, 68, 69, 83, 69, 82, 69, 212, 68, 69, 83, 67, 82, 73, 80, 84, 
+    73, 79, 206, 68, 69, 83, 67, 69, 78, 68, 73, 78, 199, 68, 69, 83, 67, 69, 
+    78, 68, 69, 82, 128, 68, 69, 82, 69, 84, 45, 72, 73, 68, 69, 84, 128, 68, 
+    69, 82, 69, 84, 128, 68, 69, 82, 69, 76, 73, 67, 212, 68, 69, 80, 65, 82, 
+    84, 85, 82, 69, 128, 68, 69, 80, 65, 82, 84, 77, 69, 78, 212, 68, 69, 80, 
+    65, 82, 84, 73, 78, 199, 68, 69, 78, 84, 73, 83, 84, 82, 217, 68, 69, 78, 
+    84, 65, 204, 68, 69, 78, 79, 77, 73, 78, 65, 84, 79, 82, 128, 68, 69, 78, 
+    79, 77, 73, 78, 65, 84, 79, 210, 68, 69, 78, 78, 69, 78, 128, 68, 69, 78, 
+    71, 128, 68, 69, 78, 197, 68, 69, 78, 65, 82, 73, 85, 211, 68, 69, 76, 
+    84, 65, 128, 68, 69, 76, 84, 193, 68, 69, 76, 84, 128, 68, 69, 76, 80, 
+    72, 73, 195, 68, 69, 76, 73, 86, 69, 82, 217, 68, 69, 76, 73, 86, 69, 82, 
+    65, 78, 67, 69, 128, 68, 69, 76, 73, 77, 73, 84, 69, 82, 128, 68, 69, 76, 
+    73, 77, 73, 84, 69, 210, 68, 69, 76, 73, 67, 73, 79, 85, 211, 68, 69, 76, 
+    69, 84, 69, 128, 68, 69, 76, 69, 84, 197, 68, 69, 75, 65, 128, 68, 69, 
+    75, 128, 68, 69, 73, 128, 68, 69, 72, 73, 128, 68, 69, 71, 82, 69, 69, 
+    83, 128, 68, 69, 71, 82, 69, 197, 68, 69, 70, 73, 78, 73, 84, 73, 79, 78, 
     128, 68, 69, 70, 69, 67, 84, 73, 86, 69, 78, 69, 83, 211, 68, 69, 69, 82, 
     128, 68, 69, 69, 80, 76, 89, 128, 68, 69, 69, 76, 128, 68, 69, 67, 82, 
     69, 83, 67, 69, 78, 68, 79, 128, 68, 69, 67, 82, 69, 65, 83, 69, 128, 68, 
-    69, 67, 79, 82, 65, 84, 73, 86, 197, 68, 69, 67, 79, 82, 65, 84, 73, 79, 
-    78, 128, 68, 69, 67, 73, 83, 73, 86, 69, 78, 69, 83, 83, 128, 68, 69, 67, 
-    73, 77, 65, 204, 68, 69, 67, 73, 68, 85, 79, 85, 211, 68, 69, 67, 69, 77, 
-    66, 69, 82, 128, 68, 69, 67, 65, 89, 69, 68, 128, 68, 69, 66, 73, 212, 
-    68, 69, 65, 84, 72, 128, 68, 69, 65, 68, 128, 68, 68, 87, 65, 128, 68, 
-    68, 85, 88, 128, 68, 68, 85, 84, 128, 68, 68, 85, 82, 88, 128, 68, 68, 
-    85, 82, 128, 68, 68, 85, 80, 128, 68, 68, 85, 79, 88, 128, 68, 68, 85, 
-    79, 80, 128, 68, 68, 85, 79, 128, 68, 68, 85, 128, 68, 68, 79, 88, 128, 
-    68, 68, 79, 84, 128, 68, 68, 79, 80, 128, 68, 68, 79, 65, 128, 68, 68, 
-    73, 88, 128, 68, 68, 73, 84, 128, 68, 68, 73, 80, 128, 68, 68, 73, 69, 
-    88, 128, 68, 68, 73, 69, 80, 128, 68, 68, 73, 69, 128, 68, 68, 73, 128, 
-    68, 68, 72, 85, 128, 68, 68, 72, 79, 128, 68, 68, 72, 73, 128, 68, 68, 
-    72, 69, 69, 128, 68, 68, 72, 69, 128, 68, 68, 72, 65, 65, 128, 68, 68, 
-    72, 65, 128, 68, 68, 69, 88, 128, 68, 68, 69, 80, 128, 68, 68, 69, 69, 
-    128, 68, 68, 69, 128, 68, 68, 68, 72, 65, 128, 68, 68, 68, 65, 128, 68, 
-    68, 65, 89, 65, 78, 78, 65, 128, 68, 68, 65, 88, 128, 68, 68, 65, 84, 
-    128, 68, 68, 65, 80, 128, 68, 68, 65, 76, 128, 68, 68, 65, 204, 68, 68, 
-    65, 72, 65, 76, 128, 68, 68, 65, 72, 65, 204, 68, 68, 65, 65, 128, 68, 
-    67, 83, 128, 68, 67, 52, 128, 68, 67, 51, 128, 68, 67, 50, 128, 68, 67, 
-    49, 128, 68, 194, 68, 65, 89, 45, 78, 73, 71, 72, 84, 128, 68, 65, 217, 
+    69, 67, 82, 69, 65, 83, 197, 68, 69, 67, 79, 82, 65, 84, 73, 86, 197, 68, 
+    69, 67, 79, 82, 65, 84, 73, 79, 78, 128, 68, 69, 67, 73, 83, 73, 86, 69, 
+    78, 69, 83, 83, 128, 68, 69, 67, 73, 77, 65, 204, 68, 69, 67, 73, 68, 85, 
+    79, 85, 211, 68, 69, 67, 69, 77, 66, 69, 82, 128, 68, 69, 67, 65, 89, 69, 
+    68, 128, 68, 69, 66, 73, 212, 68, 69, 65, 84, 72, 128, 68, 69, 65, 68, 
+    128, 68, 68, 87, 65, 128, 68, 68, 85, 88, 128, 68, 68, 85, 84, 128, 68, 
+    68, 85, 82, 88, 128, 68, 68, 85, 82, 128, 68, 68, 85, 80, 128, 68, 68, 
+    85, 79, 88, 128, 68, 68, 85, 79, 80, 128, 68, 68, 85, 79, 128, 68, 68, 
+    85, 128, 68, 68, 79, 88, 128, 68, 68, 79, 84, 128, 68, 68, 79, 80, 128, 
+    68, 68, 79, 65, 128, 68, 68, 73, 88, 128, 68, 68, 73, 84, 128, 68, 68, 
+    73, 80, 128, 68, 68, 73, 69, 88, 128, 68, 68, 73, 69, 80, 128, 68, 68, 
+    73, 69, 128, 68, 68, 73, 128, 68, 68, 72, 85, 128, 68, 68, 72, 79, 128, 
+    68, 68, 72, 73, 128, 68, 68, 72, 69, 69, 128, 68, 68, 72, 69, 128, 68, 
+    68, 72, 65, 65, 128, 68, 68, 72, 65, 128, 68, 68, 69, 88, 128, 68, 68, 
+    69, 80, 128, 68, 68, 69, 69, 128, 68, 68, 69, 128, 68, 68, 68, 72, 65, 
+    128, 68, 68, 68, 65, 128, 68, 68, 65, 89, 65, 78, 78, 65, 128, 68, 68, 
+    65, 88, 128, 68, 68, 65, 84, 128, 68, 68, 65, 80, 128, 68, 68, 65, 76, 
+    128, 68, 68, 65, 204, 68, 68, 65, 72, 65, 76, 128, 68, 68, 65, 72, 65, 
+    204, 68, 68, 65, 65, 128, 68, 67, 83, 128, 68, 67, 72, 69, 128, 68, 67, 
+    52, 128, 68, 67, 51, 128, 68, 67, 50, 128, 68, 67, 49, 128, 68, 194, 68, 
+    65, 89, 45, 78, 73, 71, 72, 84, 128, 68, 65, 217, 68, 65, 87, 66, 128, 
     68, 65, 86, 73, 89, 65, 78, 73, 128, 68, 65, 86, 73, 68, 128, 68, 65, 84, 
     197, 68, 65, 83, 73, 65, 128, 68, 65, 83, 73, 193, 68, 65, 83, 72, 69, 
     196, 68, 65, 83, 72, 128, 68, 65, 83, 200, 68, 65, 83, 69, 73, 65, 128, 
@@ -4061,285 +4266,310 @@ static unsigned char lexicon[] = {
     69, 84, 72, 128, 68, 65, 76, 69, 84, 128, 68, 65, 76, 69, 212, 68, 65, 
     76, 68, 65, 128, 68, 65, 76, 65, 84, 72, 128, 68, 65, 76, 65, 84, 200, 
     68, 65, 76, 65, 84, 128, 68, 65, 73, 82, 128, 68, 65, 73, 78, 71, 128, 
-    68, 65, 72, 89, 65, 65, 85, 83, 72, 45, 50, 128, 68, 65, 72, 89, 65, 65, 
-    85, 83, 72, 128, 68, 65, 71, 83, 128, 68, 65, 71, 71, 69, 82, 128, 68, 
-    65, 71, 71, 69, 210, 68, 65, 71, 69, 83, 72, 128, 68, 65, 71, 69, 83, 
-    200, 68, 65, 71, 66, 65, 83, 73, 78, 78, 65, 128, 68, 65, 71, 65, 218, 
-    68, 65, 71, 65, 76, 71, 65, 128, 68, 65, 199, 68, 65, 69, 78, 71, 128, 
-    68, 65, 69, 199, 68, 65, 68, 128, 68, 65, 196, 68, 65, 65, 83, 85, 128, 
-    68, 65, 65, 68, 72, 85, 128, 68, 48, 54, 55, 72, 128, 68, 48, 54, 55, 71, 
-    128, 68, 48, 54, 55, 70, 128, 68, 48, 54, 55, 69, 128, 68, 48, 54, 55, 
-    68, 128, 68, 48, 54, 55, 67, 128, 68, 48, 54, 55, 66, 128, 68, 48, 54, 
-    55, 65, 128, 68, 48, 54, 55, 128, 68, 48, 54, 54, 128, 68, 48, 54, 53, 
-    128, 68, 48, 54, 52, 128, 68, 48, 54, 51, 128, 68, 48, 54, 50, 128, 68, 
-    48, 54, 49, 128, 68, 48, 54, 48, 128, 68, 48, 53, 57, 128, 68, 48, 53, 
-    56, 128, 68, 48, 53, 55, 128, 68, 48, 53, 54, 128, 68, 48, 53, 53, 128, 
-    68, 48, 53, 52, 65, 128, 68, 48, 53, 52, 128, 68, 48, 53, 51, 128, 68, 
-    48, 53, 50, 65, 128, 68, 48, 53, 50, 128, 68, 48, 53, 49, 128, 68, 48, 
-    53, 48, 73, 128, 68, 48, 53, 48, 72, 128, 68, 48, 53, 48, 71, 128, 68, 
-    48, 53, 48, 70, 128, 68, 48, 53, 48, 69, 128, 68, 48, 53, 48, 68, 128, 
-    68, 48, 53, 48, 67, 128, 68, 48, 53, 48, 66, 128, 68, 48, 53, 48, 65, 
-    128, 68, 48, 53, 48, 128, 68, 48, 52, 57, 128, 68, 48, 52, 56, 65, 128, 
-    68, 48, 52, 56, 128, 68, 48, 52, 55, 128, 68, 48, 52, 54, 65, 128, 68, 
-    48, 52, 54, 128, 68, 48, 52, 53, 128, 68, 48, 52, 52, 128, 68, 48, 52, 
-    51, 128, 68, 48, 52, 50, 128, 68, 48, 52, 49, 128, 68, 48, 52, 48, 128, 
-    68, 48, 51, 57, 128, 68, 48, 51, 56, 128, 68, 48, 51, 55, 128, 68, 48, 
-    51, 54, 128, 68, 48, 51, 53, 128, 68, 48, 51, 52, 65, 128, 68, 48, 51, 
-    52, 128, 68, 48, 51, 51, 128, 68, 48, 51, 50, 128, 68, 48, 51, 49, 65, 
-    128, 68, 48, 51, 49, 128, 68, 48, 51, 48, 128, 68, 48, 50, 57, 128, 68, 
-    48, 50, 56, 128, 68, 48, 50, 55, 65, 128, 68, 48, 50, 55, 128, 68, 48, 
-    50, 54, 128, 68, 48, 50, 53, 128, 68, 48, 50, 52, 128, 68, 48, 50, 51, 
-    128, 68, 48, 50, 50, 128, 68, 48, 50, 49, 128, 68, 48, 50, 48, 128, 68, 
-    48, 49, 57, 128, 68, 48, 49, 56, 128, 68, 48, 49, 55, 128, 68, 48, 49, 
-    54, 128, 68, 48, 49, 53, 128, 68, 48, 49, 52, 128, 68, 48, 49, 51, 128, 
-    68, 48, 49, 50, 128, 68, 48, 49, 49, 128, 68, 48, 49, 48, 128, 68, 48, 
-    48, 57, 128, 68, 48, 48, 56, 65, 128, 68, 48, 48, 56, 128, 68, 48, 48, 
-    55, 128, 68, 48, 48, 54, 128, 68, 48, 48, 53, 128, 68, 48, 48, 52, 128, 
-    68, 48, 48, 51, 128, 68, 48, 48, 50, 128, 68, 48, 48, 49, 128, 67, 89, 
-    88, 128, 67, 89, 84, 128, 67, 89, 82, 88, 128, 67, 89, 82, 69, 78, 65, 
-    73, 195, 67, 89, 82, 128, 67, 89, 80, 82, 73, 79, 212, 67, 89, 80, 69, 
-    82, 85, 83, 128, 67, 89, 80, 128, 67, 89, 76, 73, 78, 68, 82, 73, 67, 73, 
-    84, 89, 128, 67, 89, 67, 76, 79, 78, 69, 128, 67, 89, 65, 128, 67, 89, 
-    128, 67, 87, 79, 79, 128, 67, 87, 79, 128, 67, 87, 73, 73, 128, 67, 87, 
-    73, 128, 67, 87, 69, 79, 82, 84, 72, 128, 67, 87, 69, 128, 67, 87, 65, 
-    65, 128, 67, 85, 88, 128, 67, 85, 85, 128, 67, 85, 212, 67, 85, 83, 84, 
-    79, 77, 83, 128, 67, 85, 83, 84, 79, 77, 69, 210, 67, 85, 83, 84, 65, 82, 
-    68, 128, 67, 85, 82, 88, 128, 67, 85, 82, 86, 73, 78, 199, 67, 85, 82, 
-    86, 69, 196, 67, 85, 82, 86, 69, 128, 67, 85, 82, 86, 197, 67, 85, 82, 
-    83, 73, 86, 197, 67, 85, 82, 82, 217, 67, 85, 82, 82, 69, 78, 84, 128, 
-    67, 85, 82, 82, 69, 78, 212, 67, 85, 82, 76, 217, 67, 85, 82, 76, 128, 
-    67, 85, 82, 128, 67, 85, 80, 128, 67, 85, 79, 88, 128, 67, 85, 79, 80, 
-    128, 67, 85, 79, 128, 67, 85, 205, 67, 85, 66, 69, 68, 128, 67, 85, 66, 
-    197, 67, 85, 65, 84, 82, 73, 76, 76, 79, 128, 67, 85, 65, 84, 82, 73, 76, 
-    76, 207, 67, 85, 128, 67, 83, 73, 128, 67, 82, 89, 83, 84, 65, 204, 67, 
-    82, 89, 80, 84, 79, 71, 82, 65, 77, 77, 73, 195, 67, 82, 89, 73, 78, 199, 
-    67, 82, 85, 90, 69, 73, 82, 207, 67, 82, 85, 67, 73, 66, 76, 69, 45, 53, 
-    128, 67, 82, 85, 67, 73, 66, 76, 69, 45, 52, 128, 67, 82, 85, 67, 73, 66, 
-    76, 69, 45, 51, 128, 67, 82, 85, 67, 73, 66, 76, 69, 45, 50, 128, 67, 82, 
-    85, 67, 73, 66, 76, 69, 128, 67, 82, 79, 87, 78, 128, 67, 82, 79, 83, 83, 
-    73, 78, 71, 128, 67, 82, 79, 83, 83, 73, 78, 199, 67, 82, 79, 83, 83, 72, 
-    65, 84, 67, 200, 67, 82, 79, 83, 83, 69, 68, 45, 84, 65, 73, 76, 128, 67, 
-    82, 79, 83, 83, 69, 196, 67, 82, 79, 83, 83, 66, 79, 78, 69, 83, 128, 67, 
-    82, 79, 83, 83, 128, 67, 82, 79, 83, 211, 67, 82, 79, 80, 128, 67, 82, 
-    79, 73, 88, 128, 67, 82, 79, 67, 85, 211, 67, 82, 79, 67, 79, 68, 73, 76, 
-    69, 128, 67, 82, 69, 83, 67, 69, 78, 84, 128, 67, 82, 69, 83, 67, 69, 78, 
-    212, 67, 82, 69, 68, 73, 212, 67, 82, 69, 65, 84, 73, 86, 197, 67, 82, 
-    69, 65, 77, 128, 67, 82, 65, 67, 75, 69, 82, 128, 67, 82, 128, 67, 79, 
-    88, 128, 67, 79, 87, 128, 67, 79, 215, 67, 79, 86, 69, 82, 128, 67, 79, 
-    85, 80, 76, 197, 67, 79, 85, 78, 84, 73, 78, 199, 67, 79, 85, 78, 84, 69, 
-    82, 83, 73, 78, 75, 128, 67, 79, 85, 78, 84, 69, 82, 66, 79, 82, 69, 128, 
-    67, 79, 85, 78, 67, 73, 204, 67, 79, 84, 128, 67, 79, 82, 82, 69, 83, 80, 
-    79, 78, 68, 211, 67, 79, 82, 82, 69, 67, 84, 128, 67, 79, 82, 80, 83, 69, 
-    128, 67, 79, 82, 80, 79, 82, 65, 84, 73, 79, 78, 128, 67, 79, 82, 79, 78, 
-    73, 83, 128, 67, 79, 82, 78, 69, 82, 83, 128, 67, 79, 82, 78, 69, 82, 
-    128, 67, 79, 82, 78, 69, 210, 67, 79, 80, 89, 82, 73, 71, 72, 84, 128, 
-    67, 79, 80, 89, 82, 73, 71, 72, 212, 67, 79, 80, 89, 128, 67, 79, 80, 82, 
-    79, 68, 85, 67, 84, 128, 67, 79, 80, 80, 69, 82, 45, 50, 128, 67, 79, 80, 
-    80, 69, 82, 128, 67, 79, 80, 128, 67, 79, 79, 76, 128, 67, 79, 79, 75, 
-    73, 78, 71, 128, 67, 79, 79, 75, 73, 69, 128, 67, 79, 79, 75, 69, 196, 
-    67, 79, 79, 128, 67, 79, 78, 86, 69, 82, 71, 73, 78, 199, 67, 79, 78, 86, 
-    69, 78, 73, 69, 78, 67, 197, 67, 79, 78, 84, 82, 79, 76, 128, 67, 79, 78, 
-    84, 82, 79, 204, 67, 79, 78, 84, 82, 65, 82, 73, 69, 84, 89, 128, 67, 79, 
-    78, 84, 82, 65, 67, 84, 73, 79, 78, 128, 67, 79, 78, 84, 79, 85, 82, 69, 
-    196, 67, 79, 78, 84, 79, 85, 210, 67, 79, 78, 84, 69, 78, 84, 73, 79, 78, 
-    128, 67, 79, 78, 84, 69, 77, 80, 76, 65, 84, 73, 79, 78, 128, 67, 79, 78, 
-    84, 65, 73, 78, 211, 67, 79, 78, 84, 65, 73, 78, 73, 78, 199, 67, 79, 78, 
-    84, 65, 73, 206, 67, 79, 78, 84, 65, 67, 84, 128, 67, 79, 78, 83, 84, 82, 
-    85, 67, 84, 73, 79, 206, 67, 79, 78, 83, 84, 65, 78, 84, 128, 67, 79, 78, 
-    83, 84, 65, 78, 212, 67, 79, 78, 83, 84, 65, 78, 67, 89, 128, 67, 79, 78, 
-    83, 69, 67, 85, 84, 73, 86, 197, 67, 79, 78, 74, 85, 78, 67, 84, 73, 79, 
-    78, 128, 67, 79, 78, 74, 85, 71, 65, 84, 197, 67, 79, 78, 74, 79, 73, 78, 
-    73, 78, 199, 67, 79, 78, 73, 67, 65, 204, 67, 79, 78, 71, 82, 85, 69, 78, 
-    212, 67, 79, 78, 71, 82, 65, 84, 85, 76, 65, 84, 73, 79, 78, 128, 67, 79, 
-    78, 70, 85, 83, 69, 196, 67, 79, 78, 70, 79, 85, 78, 68, 69, 196, 67, 79, 
-    78, 70, 76, 73, 67, 84, 128, 67, 79, 78, 70, 69, 84, 84, 201, 67, 79, 78, 
-    67, 65, 86, 69, 45, 83, 73, 68, 69, 196, 67, 79, 78, 67, 65, 86, 69, 45, 
-    80, 79, 73, 78, 84, 69, 196, 67, 79, 78, 128, 67, 79, 77, 80, 85, 84, 69, 
-    82, 128, 67, 79, 77, 80, 79, 83, 73, 84, 73, 79, 78, 128, 67, 79, 77, 80, 
-    79, 83, 73, 84, 73, 79, 206, 67, 79, 77, 80, 76, 73, 65, 78, 67, 69, 128, 
-    67, 79, 77, 80, 76, 69, 84, 73, 79, 78, 128, 67, 79, 77, 80, 76, 69, 84, 
-    69, 68, 128, 67, 79, 77, 80, 76, 69, 77, 69, 78, 84, 128, 67, 79, 77, 80, 
-    65, 82, 69, 128, 67, 79, 77, 77, 79, 206, 67, 79, 77, 77, 69, 82, 67, 73, 
-    65, 204, 67, 79, 77, 77, 65, 78, 68, 128, 67, 79, 77, 77, 65, 128, 67, 
-    79, 77, 77, 193, 67, 79, 77, 69, 84, 128, 67, 79, 77, 66, 128, 67, 79, 
-    76, 85, 77, 78, 128, 67, 79, 76, 79, 82, 128, 67, 79, 76, 76, 73, 83, 73, 
-    79, 206, 67, 79, 76, 76, 128, 67, 79, 76, 196, 67, 79, 70, 70, 73, 78, 
-    128, 67, 79, 69, 78, 71, 128, 67, 79, 69, 78, 199, 67, 79, 68, 65, 128, 
-    67, 79, 67, 75, 84, 65, 73, 204, 67, 79, 65, 83, 84, 69, 82, 128, 67, 79, 
-    65, 128, 67, 79, 128, 67, 77, 128, 67, 205, 67, 76, 85, 83, 84, 69, 210, 
-    67, 76, 85, 66, 83, 128, 67, 76, 85, 66, 45, 83, 80, 79, 75, 69, 196, 67, 
-    76, 85, 66, 128, 67, 76, 85, 194, 67, 76, 79, 86, 69, 82, 128, 67, 76, 
-    79, 85, 68, 128, 67, 76, 79, 85, 196, 67, 76, 79, 84, 72, 69, 83, 128, 
-    67, 76, 79, 84, 72, 128, 67, 76, 79, 83, 69, 84, 128, 67, 76, 79, 83, 69, 
-    78, 69, 83, 83, 128, 67, 76, 79, 83, 69, 68, 128, 67, 76, 79, 83, 197, 
-    67, 76, 79, 67, 75, 87, 73, 83, 197, 67, 76, 79, 67, 203, 67, 76, 73, 86, 
-    73, 83, 128, 67, 76, 73, 80, 66, 79, 65, 82, 68, 128, 67, 76, 73, 78, 75, 
-    73, 78, 199, 67, 76, 73, 78, 71, 73, 78, 199, 67, 76, 73, 77, 65, 67, 85, 
-    83, 128, 67, 76, 73, 70, 70, 128, 67, 76, 73, 67, 75, 128, 67, 76, 69, 
-    70, 45, 50, 128, 67, 76, 69, 70, 45, 49, 128, 67, 76, 69, 70, 128, 67, 
-    76, 69, 198, 67, 76, 69, 65, 86, 69, 82, 128, 67, 76, 69, 65, 210, 67, 
-    76, 65, 87, 128, 67, 76, 65, 80, 80, 73, 78, 199, 67, 76, 65, 80, 80, 69, 
-    210, 67, 76, 65, 78, 128, 67, 76, 65, 73, 77, 128, 67, 76, 128, 67, 73, 
-    88, 128, 67, 73, 86, 73, 76, 73, 65, 78, 128, 67, 73, 84, 89, 83, 67, 65, 
-    80, 197, 67, 73, 84, 128, 67, 73, 82, 67, 85, 211, 67, 73, 82, 67, 85, 
-    77, 70, 76, 69, 88, 128, 67, 73, 82, 67, 85, 77, 70, 76, 69, 216, 67, 73, 
-    82, 67, 85, 76, 65, 84, 73, 79, 206, 67, 73, 82, 67, 76, 69, 83, 128, 67, 
-    73, 82, 67, 76, 69, 128, 67, 73, 80, 128, 67, 73, 78, 78, 65, 66, 65, 82, 
-    128, 67, 73, 78, 69, 77, 65, 128, 67, 73, 73, 128, 67, 73, 69, 88, 128, 
-    67, 73, 69, 85, 67, 45, 83, 83, 65, 78, 71, 80, 73, 69, 85, 80, 128, 67, 
-    73, 69, 85, 67, 45, 80, 73, 69, 85, 80, 128, 67, 73, 69, 85, 67, 45, 73, 
-    69, 85, 78, 71, 128, 67, 73, 69, 85, 195, 67, 73, 69, 84, 128, 67, 73, 
-    69, 80, 128, 67, 73, 69, 128, 67, 72, 89, 88, 128, 67, 72, 89, 84, 128, 
-    67, 72, 89, 82, 88, 128, 67, 72, 89, 82, 128, 67, 72, 89, 80, 128, 67, 
-    72, 85, 88, 128, 67, 72, 85, 82, 88, 128, 67, 72, 85, 82, 67, 72, 128, 
-    67, 72, 85, 82, 128, 67, 72, 85, 80, 128, 67, 72, 85, 79, 88, 128, 67, 
-    72, 85, 79, 84, 128, 67, 72, 85, 79, 80, 128, 67, 72, 85, 79, 128, 67, 
-    72, 85, 76, 65, 128, 67, 72, 85, 128, 67, 72, 82, 89, 83, 65, 78, 84, 72, 
-    69, 77, 85, 77, 128, 67, 72, 82, 79, 78, 79, 85, 128, 67, 72, 82, 79, 78, 
-    79, 78, 128, 67, 72, 82, 79, 77, 193, 67, 72, 82, 79, 193, 67, 72, 82, 
-    73, 86, 73, 128, 67, 72, 82, 73, 83, 84, 77, 65, 83, 128, 67, 72, 82, 73, 
-    83, 84, 77, 65, 211, 67, 72, 79, 88, 128, 67, 72, 79, 84, 128, 67, 72, 
-    79, 82, 69, 86, 77, 193, 67, 72, 79, 80, 128, 67, 72, 79, 75, 69, 128, 
-    67, 72, 79, 69, 128, 67, 72, 79, 67, 79, 76, 65, 84, 197, 67, 72, 79, 65, 
-    128, 67, 72, 207, 67, 72, 73, 84, 85, 69, 85, 77, 83, 83, 65, 78, 71, 83, 
-    73, 79, 83, 128, 67, 72, 73, 84, 85, 69, 85, 77, 83, 83, 65, 78, 71, 67, 
-    73, 69, 85, 67, 128, 67, 72, 73, 84, 85, 69, 85, 77, 83, 73, 79, 83, 128, 
-    67, 72, 73, 84, 85, 69, 85, 77, 67, 73, 69, 85, 67, 128, 67, 72, 73, 84, 
-    85, 69, 85, 77, 67, 72, 73, 69, 85, 67, 72, 128, 67, 72, 73, 82, 79, 78, 
-    128, 67, 72, 73, 82, 69, 84, 128, 67, 72, 73, 78, 71, 128, 67, 72, 73, 
-    78, 69, 83, 197, 67, 72, 73, 78, 128, 67, 72, 73, 77, 69, 128, 67, 72, 
-    73, 76, 76, 213, 67, 72, 73, 76, 68, 82, 69, 206, 67, 72, 73, 76, 68, 
-    128, 67, 72, 73, 76, 128, 67, 72, 73, 75, 201, 67, 72, 73, 69, 85, 67, 
-    72, 45, 75, 72, 73, 69, 85, 75, 72, 128, 67, 72, 73, 69, 85, 67, 72, 45, 
-    72, 73, 69, 85, 72, 128, 67, 72, 73, 69, 85, 67, 200, 67, 72, 73, 67, 75, 
-    69, 78, 128, 67, 72, 73, 67, 75, 128, 67, 72, 73, 128, 67, 72, 201, 67, 
-    72, 72, 65, 128, 67, 72, 69, 88, 128, 67, 72, 69, 86, 82, 79, 206, 67, 
-    72, 69, 84, 128, 67, 72, 69, 83, 84, 78, 85, 84, 128, 67, 72, 69, 83, 
-    211, 67, 72, 69, 82, 82, 217, 67, 72, 69, 82, 82, 73, 69, 83, 128, 67, 
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+    48, 53, 128, 68, 48, 48, 52, 128, 68, 48, 48, 51, 128, 68, 48, 48, 50, 
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+    78, 212, 67, 82, 69, 68, 73, 212, 67, 82, 69, 65, 84, 73, 86, 197, 67, 
+    82, 69, 65, 77, 128, 67, 82, 65, 89, 79, 78, 128, 67, 82, 65, 67, 75, 69, 
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+    67, 72, 82, 79, 193, 67, 72, 82, 73, 86, 73, 128, 67, 72, 82, 73, 83, 84, 
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+    128, 67, 72, 79, 88, 128, 67, 72, 79, 84, 128, 67, 72, 79, 82, 69, 86, 
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+    128, 67, 72, 79, 67, 79, 76, 65, 84, 197, 67, 72, 79, 65, 128, 67, 72, 
+    207, 67, 72, 73, 84, 85, 69, 85, 77, 83, 83, 65, 78, 71, 83, 73, 79, 83, 
+    128, 67, 72, 73, 84, 85, 69, 85, 77, 83, 83, 65, 78, 71, 67, 73, 69, 85, 
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+    72, 73, 76, 68, 82, 69, 206, 67, 72, 73, 76, 68, 128, 67, 72, 73, 76, 
+    128, 67, 72, 73, 75, 201, 67, 72, 73, 69, 85, 67, 72, 45, 75, 72, 73, 69, 
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     72, 69, 81, 85, 69, 82, 69, 196, 67, 72, 69, 80, 128, 67, 72, 69, 206, 
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     72, 69, 73, 75, 72, 65, 78, 128, 67, 72, 69, 69, 82, 73, 78, 199, 67, 72, 
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     128, 67, 65, 84, 65, 87, 65, 128, 67, 65, 84, 128, 67, 65, 212, 67, 65, 
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     85, 79, 80, 128, 66, 85, 78, 78, 217, 66, 85, 78, 71, 128, 66, 85, 77, 
     80, 217, 66, 85, 76, 85, 71, 128, 66, 85, 76, 85, 199, 66, 85, 76, 76, 
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     196, 66, 82, 65, 67, 75, 69, 212, 66, 82, 65, 67, 69, 128, 66, 81, 128, 
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-    207, 66, 79, 79, 84, 83, 128, 66, 79, 79, 84, 128, 66, 79, 79, 77, 69, 
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-    77, 66, 128, 66, 79, 77, 128, 66, 79, 76, 84, 128, 66, 79, 76, 212, 66, 
-    79, 72, 65, 73, 82, 73, 195, 66, 79, 68, 89, 128, 66, 79, 65, 82, 128, 
-    66, 79, 65, 128, 66, 76, 85, 69, 128, 66, 76, 85, 197, 66, 76, 79, 87, 
-    70, 73, 83, 72, 128, 66, 76, 79, 83, 83, 79, 77, 128, 66, 76, 79, 79, 68, 
-    128, 66, 76, 79, 78, 196, 66, 76, 79, 67, 75, 128, 66, 76, 69, 78, 68, 
-    69, 196, 66, 76, 65, 78, 75, 128, 66, 76, 65, 78, 203, 66, 76, 65, 68, 
-    197, 66, 76, 65, 67, 75, 70, 79, 79, 212, 66, 76, 65, 67, 75, 45, 76, 69, 
-    84, 84, 69, 210, 66, 76, 65, 67, 75, 45, 70, 69, 65, 84, 72, 69, 82, 69, 
-    196, 66, 76, 65, 67, 75, 128, 66, 75, 65, 173, 66, 73, 84, 84, 69, 82, 
-    128, 66, 73, 84, 73, 78, 199, 66, 73, 83, 77, 85, 84, 200, 66, 73, 83, 
-    77, 73, 76, 76, 65, 200, 66, 73, 83, 72, 79, 80, 128, 66, 73, 83, 69, 67, 
-    84, 73, 78, 199, 66, 73, 83, 65, 72, 128, 66, 73, 82, 85, 128, 66, 73, 
-    82, 84, 72, 68, 65, 217, 66, 73, 82, 71, 65, 128, 66, 73, 82, 68, 128, 
-    66, 73, 79, 72, 65, 90, 65, 82, 196, 66, 73, 78, 79, 67, 85, 76, 65, 210, 
-    66, 73, 78, 68, 73, 78, 199, 66, 73, 78, 68, 73, 128, 66, 73, 78, 65, 82, 
-    217, 66, 73, 76, 76, 73, 65, 82, 68, 83, 128, 66, 73, 76, 65, 66, 73, 65, 
-    204, 66, 73, 75, 73, 78, 73, 128, 66, 73, 71, 128, 66, 73, 199, 66, 73, 
-    69, 84, 128, 66, 73, 68, 69, 78, 84, 65, 204, 66, 73, 68, 65, 75, 85, 79, 
+    66, 80, 72, 128, 66, 79, 89, 211, 66, 79, 89, 128, 66, 79, 87, 84, 73, 
+    69, 128, 66, 79, 87, 84, 73, 197, 66, 79, 87, 76, 73, 78, 71, 128, 66, 
+    79, 87, 76, 128, 66, 79, 87, 73, 78, 199, 66, 79, 215, 66, 79, 85, 81, 
+    85, 69, 84, 128, 66, 79, 85, 81, 85, 69, 212, 66, 79, 85, 78, 68, 65, 82, 
+    217, 66, 79, 84, 84, 79, 77, 45, 83, 72, 65, 68, 69, 196, 66, 79, 84, 84, 
+    79, 77, 45, 76, 73, 71, 72, 84, 69, 196, 66, 79, 84, 84, 79, 77, 128, 66, 
+    79, 84, 84, 79, 205, 66, 79, 84, 84, 76, 69, 128, 66, 79, 84, 84, 76, 
+    197, 66, 79, 84, 200, 66, 79, 82, 85, 84, 79, 128, 66, 79, 82, 65, 88, 
+    45, 51, 128, 66, 79, 82, 65, 88, 45, 50, 128, 66, 79, 82, 65, 88, 128, 
+    66, 79, 80, 79, 77, 79, 70, 207, 66, 79, 79, 84, 83, 128, 66, 79, 79, 84, 
+    128, 66, 79, 79, 77, 69, 82, 65, 78, 71, 128, 66, 79, 79, 75, 83, 128, 
+    66, 79, 79, 75, 77, 65, 82, 75, 128, 66, 79, 79, 75, 77, 65, 82, 203, 66, 
+    79, 78, 69, 128, 66, 79, 77, 66, 128, 66, 79, 77, 128, 66, 79, 76, 84, 
+    128, 66, 79, 76, 212, 66, 79, 72, 65, 73, 82, 73, 195, 66, 79, 68, 89, 
+    128, 66, 79, 65, 82, 128, 66, 79, 65, 128, 66, 76, 85, 69, 128, 66, 76, 
+    85, 197, 66, 76, 79, 87, 73, 78, 199, 66, 76, 79, 87, 70, 73, 83, 72, 
+    128, 66, 76, 79, 83, 83, 79, 77, 128, 66, 76, 79, 79, 68, 128, 66, 76, 
+    79, 78, 196, 66, 76, 79, 67, 75, 128, 66, 76, 69, 78, 68, 69, 196, 66, 
+    76, 65, 78, 75, 128, 66, 76, 65, 78, 203, 66, 76, 65, 68, 197, 66, 76, 
+    65, 67, 75, 76, 69, 84, 84, 69, 210, 66, 76, 65, 67, 75, 70, 79, 79, 212, 
+    66, 76, 65, 67, 75, 45, 76, 69, 84, 84, 69, 210, 66, 76, 65, 67, 75, 45, 
+    70, 69, 65, 84, 72, 69, 82, 69, 196, 66, 76, 65, 67, 75, 128, 66, 75, 65, 
+    173, 66, 73, 84, 84, 69, 82, 128, 66, 73, 84, 73, 78, 199, 66, 73, 83, 
+    77, 85, 84, 200, 66, 73, 83, 77, 73, 76, 76, 65, 200, 66, 73, 83, 72, 79, 
+    80, 128, 66, 73, 83, 69, 67, 84, 73, 78, 199, 66, 73, 83, 65, 72, 128, 
+    66, 73, 82, 85, 128, 66, 73, 82, 84, 72, 68, 65, 217, 66, 73, 82, 71, 65, 
+    128, 66, 73, 82, 68, 128, 66, 73, 79, 72, 65, 90, 65, 82, 196, 66, 73, 
+    78, 79, 67, 85, 76, 65, 210, 66, 73, 78, 68, 73, 78, 199, 66, 73, 78, 68, 
+    73, 128, 66, 73, 78, 65, 82, 217, 66, 73, 76, 76, 73, 79, 78, 83, 128, 
+    66, 73, 76, 76, 73, 65, 82, 68, 83, 128, 66, 73, 76, 65, 66, 73, 65, 204, 
+    66, 73, 75, 73, 78, 73, 128, 66, 73, 71, 128, 66, 73, 199, 66, 73, 69, 
+    84, 128, 66, 73, 68, 69, 78, 84, 65, 204, 66, 73, 68, 65, 75, 85, 79, 
     206, 66, 73, 67, 89, 67, 76, 73, 83, 84, 128, 66, 73, 67, 89, 67, 76, 69, 
     83, 128, 66, 73, 67, 89, 67, 76, 69, 128, 66, 73, 67, 69, 80, 83, 128, 
     66, 73, 66, 76, 69, 45, 67, 82, 69, 197, 66, 73, 66, 128, 66, 201, 66, 
@@ -4351,15487 +4581,17201 @@ static unsigned char lexicon[] = {
     84, 87, 69, 69, 206, 66, 69, 84, 72, 128, 66, 69, 84, 65, 128, 66, 69, 
     84, 193, 66, 69, 212, 66, 69, 83, 73, 68, 197, 66, 69, 82, 75, 65, 78, 
     65, 206, 66, 69, 82, 66, 69, 210, 66, 69, 80, 128, 66, 69, 79, 82, 195, 
-    66, 69, 78, 90, 69, 78, 197, 66, 69, 78, 84, 207, 66, 69, 78, 68, 69, 
-    128, 66, 69, 78, 68, 128, 66, 69, 206, 66, 69, 76, 84, 128, 66, 69, 76, 
-    212, 66, 69, 76, 79, 215, 66, 69, 76, 76, 128, 66, 69, 76, 204, 66, 69, 
-    76, 71, 84, 72, 79, 210, 66, 69, 76, 128, 66, 69, 73, 84, 72, 128, 66, 
-    69, 72, 73, 78, 196, 66, 69, 72, 69, 72, 128, 66, 69, 72, 69, 200, 66, 
-    69, 72, 128, 66, 69, 200, 66, 69, 71, 73, 78, 78, 73, 78, 71, 128, 66, 
-    69, 71, 73, 78, 78, 69, 82, 128, 66, 69, 71, 73, 206, 66, 69, 70, 79, 82, 
-    197, 66, 69, 69, 84, 76, 69, 128, 66, 69, 69, 84, 65, 128, 66, 69, 69, 
-    210, 66, 69, 69, 72, 73, 86, 69, 128, 66, 69, 69, 72, 128, 66, 69, 69, 
-    200, 66, 69, 67, 65, 85, 83, 69, 128, 66, 69, 65, 86, 69, 210, 66, 69, 
-    65, 84, 73, 78, 199, 66, 69, 65, 84, 128, 66, 69, 65, 210, 66, 69, 65, 
-    78, 128, 66, 69, 65, 77, 69, 196, 66, 67, 65, 68, 128, 66, 67, 65, 196, 
-    66, 66, 89, 88, 128, 66, 66, 89, 84, 128, 66, 66, 89, 80, 128, 66, 66, 
-    89, 128, 66, 66, 85, 88, 128, 66, 66, 85, 84, 128, 66, 66, 85, 82, 88, 
-    128, 66, 66, 85, 82, 128, 66, 66, 85, 80, 128, 66, 66, 85, 79, 88, 128, 
-    66, 66, 85, 79, 80, 128, 66, 66, 85, 79, 128, 66, 66, 85, 128, 66, 66, 
-    79, 88, 128, 66, 66, 79, 84, 128, 66, 66, 79, 80, 128, 66, 66, 79, 128, 
-    66, 66, 73, 88, 128, 66, 66, 73, 80, 128, 66, 66, 73, 69, 88, 128, 66, 
-    66, 73, 69, 84, 128, 66, 66, 73, 69, 80, 128, 66, 66, 73, 69, 128, 66, 
-    66, 73, 128, 66, 66, 69, 88, 128, 66, 66, 69, 80, 128, 66, 66, 69, 69, 
-    128, 66, 66, 69, 128, 66, 66, 65, 88, 128, 66, 66, 65, 84, 128, 66, 66, 
-    65, 80, 128, 66, 66, 65, 65, 128, 66, 66, 65, 128, 66, 65, 89, 65, 78, 
-    78, 65, 128, 66, 65, 85, 128, 66, 65, 84, 84, 69, 82, 89, 128, 66, 65, 
-    84, 72, 84, 85, 66, 128, 66, 65, 84, 72, 65, 77, 65, 83, 65, 84, 128, 66, 
-    65, 84, 72, 128, 66, 65, 84, 200, 66, 65, 84, 65, 203, 66, 65, 83, 83, 
-    65, 128, 66, 65, 83, 75, 69, 84, 66, 65, 76, 204, 66, 65, 83, 72, 75, 73, 
-    210, 66, 65, 83, 72, 128, 66, 65, 83, 69, 66, 65, 76, 76, 128, 66, 65, 
-    83, 69, 128, 66, 65, 83, 197, 66, 65, 82, 83, 128, 66, 65, 82, 82, 73, 
-    69, 82, 128, 66, 65, 82, 82, 69, 75, 72, 128, 66, 65, 82, 82, 69, 69, 
-    128, 66, 65, 82, 82, 69, 197, 66, 65, 82, 76, 73, 78, 69, 128, 66, 65, 
-    82, 76, 69, 89, 128, 66, 65, 82, 73, 89, 79, 79, 83, 65, 78, 128, 66, 65, 
-    82, 66, 69, 210, 66, 65, 82, 194, 66, 65, 82, 65, 50, 128, 66, 65, 210, 
-    66, 65, 78, 84, 79, 67, 128, 66, 65, 78, 75, 78, 79, 84, 197, 66, 65, 78, 
-    75, 128, 66, 65, 78, 203, 66, 65, 78, 68, 128, 66, 65, 78, 65, 78, 65, 
-    128, 66, 65, 78, 50, 128, 66, 65, 78, 178, 66, 65, 77, 66, 79, 79, 83, 
-    128, 66, 65, 77, 66, 79, 79, 128, 66, 65, 76, 85, 68, 65, 128, 66, 65, 
-    76, 76, 79, 212, 66, 65, 76, 76, 79, 79, 78, 45, 83, 80, 79, 75, 69, 196, 
-    66, 65, 76, 76, 79, 79, 78, 128, 66, 65, 76, 65, 71, 128, 66, 65, 76, 
-    128, 66, 65, 204, 66, 65, 73, 82, 75, 65, 78, 128, 66, 65, 73, 77, 65, 
-    73, 128, 66, 65, 72, 84, 128, 66, 65, 72, 73, 82, 71, 79, 77, 85, 75, 72, 
-    65, 128, 66, 65, 72, 65, 82, 50, 128, 66, 65, 72, 128, 66, 65, 71, 71, 
-    65, 71, 197, 66, 65, 71, 65, 128, 66, 65, 71, 51, 128, 66, 65, 199, 66, 
-    65, 68, 71, 69, 82, 128, 66, 65, 68, 71, 69, 128, 66, 65, 68, 128, 66, 
-    65, 67, 84, 82, 73, 65, 206, 66, 65, 67, 75, 87, 65, 82, 68, 128, 66, 65, 
-    67, 75, 83, 80, 65, 67, 69, 128, 66, 65, 67, 75, 83, 76, 65, 83, 72, 128, 
-    66, 65, 67, 75, 83, 76, 65, 83, 200, 66, 65, 67, 75, 72, 65, 78, 196, 66, 
-    65, 67, 75, 45, 84, 73, 76, 84, 69, 196, 66, 65, 67, 75, 128, 66, 65, 67, 
-    203, 66, 65, 66, 89, 128, 66, 65, 66, 217, 66, 65, 65, 82, 69, 82, 85, 
-    128, 66, 65, 45, 50, 128, 66, 51, 48, 53, 128, 66, 50, 53, 57, 128, 66, 
-    50, 53, 56, 128, 66, 50, 53, 55, 128, 66, 50, 53, 54, 128, 66, 50, 53, 
-    53, 128, 66, 50, 53, 180, 66, 50, 53, 51, 128, 66, 50, 53, 50, 128, 66, 
-    50, 53, 49, 128, 66, 50, 53, 48, 128, 66, 50, 52, 57, 128, 66, 50, 52, 
-    56, 128, 66, 50, 52, 183, 66, 50, 52, 54, 128, 66, 50, 52, 53, 128, 66, 
-    50, 52, 179, 66, 50, 52, 178, 66, 50, 52, 177, 66, 50, 52, 176, 66, 50, 
-    51, 54, 128, 66, 50, 51, 52, 128, 66, 50, 51, 179, 66, 50, 51, 50, 128, 
-    66, 50, 51, 177, 66, 50, 51, 176, 66, 50, 50, 57, 128, 66, 50, 50, 56, 
-    128, 66, 50, 50, 55, 128, 66, 50, 50, 54, 128, 66, 50, 50, 181, 66, 50, 
-    50, 50, 128, 66, 50, 50, 49, 128, 66, 50, 50, 176, 66, 50, 49, 57, 128, 
-    66, 50, 49, 56, 128, 66, 50, 49, 55, 128, 66, 50, 49, 54, 128, 66, 50, 
-    49, 53, 128, 66, 50, 49, 52, 128, 66, 50, 49, 51, 128, 66, 50, 49, 50, 
-    128, 66, 50, 49, 49, 128, 66, 50, 49, 48, 128, 66, 50, 48, 57, 128, 66, 
-    50, 48, 56, 128, 66, 50, 48, 55, 128, 66, 50, 48, 54, 128, 66, 50, 48, 
-    53, 128, 66, 50, 48, 52, 128, 66, 50, 48, 51, 128, 66, 50, 48, 50, 128, 
-    66, 50, 48, 49, 128, 66, 50, 48, 48, 128, 66, 49, 57, 177, 66, 49, 57, 
-    48, 128, 66, 49, 56, 57, 128, 66, 49, 56, 53, 128, 66, 49, 56, 52, 128, 
-    66, 49, 56, 51, 128, 66, 49, 56, 50, 128, 66, 49, 56, 49, 128, 66, 49, 
-    56, 48, 128, 66, 49, 55, 57, 128, 66, 49, 55, 56, 128, 66, 49, 55, 55, 
-    128, 66, 49, 55, 182, 66, 49, 55, 52, 128, 66, 49, 55, 179, 66, 49, 55, 
-    50, 128, 66, 49, 55, 49, 128, 66, 49, 55, 48, 128, 66, 49, 54, 57, 128, 
-    66, 49, 54, 56, 128, 66, 49, 54, 55, 128, 66, 49, 54, 54, 128, 66, 49, 
-    54, 53, 128, 66, 49, 54, 52, 128, 66, 49, 54, 179, 66, 49, 54, 178, 66, 
-    49, 54, 49, 128, 66, 49, 54, 48, 128, 66, 49, 53, 185, 66, 49, 53, 56, 
-    128, 66, 49, 53, 55, 128, 66, 49, 53, 182, 66, 49, 53, 53, 128, 66, 49, 
-    53, 52, 128, 66, 49, 53, 51, 128, 66, 49, 53, 50, 128, 66, 49, 53, 177, 
-    66, 49, 53, 48, 128, 66, 49, 52, 54, 128, 66, 49, 52, 181, 66, 49, 52, 
-    50, 128, 66, 49, 52, 177, 66, 49, 52, 176, 66, 49, 51, 181, 66, 49, 51, 
-    179, 66, 49, 51, 50, 128, 66, 49, 51, 177, 66, 49, 51, 176, 66, 49, 50, 
-    184, 66, 49, 50, 183, 66, 49, 50, 181, 66, 49, 50, 179, 66, 49, 50, 178, 
-    66, 49, 50, 177, 66, 49, 50, 176, 66, 49, 48, 57, 205, 66, 49, 48, 57, 
-    198, 66, 49, 48, 56, 205, 66, 49, 48, 56, 198, 66, 49, 48, 55, 205, 66, 
-    49, 48, 55, 198, 66, 49, 48, 54, 205, 66, 49, 48, 54, 198, 66, 49, 48, 
-    53, 205, 66, 49, 48, 53, 198, 66, 49, 48, 181, 66, 49, 48, 180, 66, 49, 
-    48, 178, 66, 49, 48, 176, 66, 48, 57, 177, 66, 48, 57, 176, 66, 48, 56, 
-    57, 128, 66, 48, 56, 183, 66, 48, 56, 54, 128, 66, 48, 56, 181, 66, 48, 
-    56, 51, 128, 66, 48, 56, 50, 128, 66, 48, 56, 177, 66, 48, 56, 176, 66, 
-    48, 55, 57, 128, 66, 48, 55, 184, 66, 48, 55, 183, 66, 48, 55, 182, 66, 
-    48, 55, 181, 66, 48, 55, 180, 66, 48, 55, 179, 66, 48, 55, 178, 66, 48, 
-    55, 177, 66, 48, 55, 176, 66, 48, 54, 185, 66, 48, 54, 184, 66, 48, 54, 
-    183, 66, 48, 54, 182, 66, 48, 54, 181, 66, 48, 54, 52, 128, 66, 48, 54, 
-    51, 128, 66, 48, 54, 178, 66, 48, 54, 177, 66, 48, 54, 176, 66, 48, 53, 
-    185, 66, 48, 53, 184, 66, 48, 53, 183, 66, 48, 53, 54, 128, 66, 48, 53, 
-    181, 66, 48, 53, 180, 66, 48, 53, 179, 66, 48, 53, 178, 66, 48, 53, 177, 
-    66, 48, 53, 176, 66, 48, 52, 57, 128, 66, 48, 52, 184, 66, 48, 52, 55, 
-    128, 66, 48, 52, 182, 66, 48, 52, 181, 66, 48, 52, 180, 66, 48, 52, 179, 
-    66, 48, 52, 178, 66, 48, 52, 177, 66, 48, 52, 176, 66, 48, 51, 185, 66, 
-    48, 51, 184, 66, 48, 51, 183, 66, 48, 51, 182, 66, 48, 51, 52, 128, 66, 
-    48, 51, 179, 66, 48, 51, 178, 66, 48, 51, 177, 66, 48, 51, 176, 66, 48, 
-    50, 185, 66, 48, 50, 184, 66, 48, 50, 183, 66, 48, 50, 182, 66, 48, 50, 
-    181, 66, 48, 50, 180, 66, 48, 50, 179, 66, 48, 50, 50, 128, 66, 48, 50, 
-    177, 66, 48, 50, 176, 66, 48, 49, 57, 128, 66, 48, 49, 56, 128, 66, 48, 
-    49, 183, 66, 48, 49, 182, 66, 48, 49, 181, 66, 48, 49, 180, 66, 48, 49, 
-    179, 66, 48, 49, 178, 66, 48, 49, 177, 66, 48, 49, 176, 66, 48, 48, 57, 
-    128, 66, 48, 48, 185, 66, 48, 48, 56, 128, 66, 48, 48, 184, 66, 48, 48, 
-    55, 128, 66, 48, 48, 183, 66, 48, 48, 54, 128, 66, 48, 48, 182, 66, 48, 
-    48, 53, 65, 128, 66, 48, 48, 53, 128, 66, 48, 48, 181, 66, 48, 48, 52, 
-    128, 66, 48, 48, 180, 66, 48, 48, 51, 128, 66, 48, 48, 179, 66, 48, 48, 
-    50, 128, 66, 48, 48, 178, 66, 48, 48, 49, 128, 66, 48, 48, 177, 65, 90, 
-    85, 128, 65, 89, 69, 210, 65, 89, 66, 128, 65, 89, 65, 72, 128, 65, 88, 
-    69, 128, 65, 87, 69, 128, 65, 86, 69, 83, 84, 65, 206, 65, 86, 69, 82, 
-    65, 71, 197, 65, 86, 65, 75, 82, 65, 72, 65, 83, 65, 78, 89, 65, 128, 65, 
-    86, 65, 71, 82, 65, 72, 65, 128, 65, 85, 89, 65, 78, 78, 65, 128, 65, 85, 
-    84, 85, 77, 78, 128, 65, 85, 84, 79, 77, 79, 66, 73, 76, 69, 128, 65, 85, 
-    84, 79, 77, 65, 84, 69, 196, 65, 85, 83, 84, 82, 65, 204, 65, 85, 82, 73, 
-    80, 73, 71, 77, 69, 78, 84, 128, 65, 85, 82, 65, 77, 65, 90, 68, 65, 65, 
-    72, 65, 128, 65, 85, 82, 65, 77, 65, 90, 68, 65, 65, 45, 50, 128, 65, 85, 
-    82, 65, 77, 65, 90, 68, 65, 65, 128, 65, 85, 78, 78, 128, 65, 85, 71, 85, 
-    83, 84, 128, 65, 85, 71, 77, 69, 78, 84, 65, 84, 73, 79, 206, 65, 85, 69, 
-    128, 65, 85, 66, 69, 82, 71, 73, 78, 69, 128, 65, 84, 84, 73, 195, 65, 
-    84, 84, 72, 65, 67, 65, 78, 128, 65, 84, 84, 69, 78, 84, 73, 79, 78, 128, 
-    65, 84, 84, 65, 203, 65, 84, 79, 205, 65, 84, 78, 65, 200, 65, 84, 77, 
-    65, 65, 85, 128, 65, 84, 73, 89, 65, 128, 65, 84, 72, 76, 69, 84, 73, 
-    195, 65, 84, 72, 65, 82, 86, 65, 86, 69, 68, 73, 195, 65, 84, 72, 65, 80, 
-    65, 83, 67, 65, 206, 65, 83, 90, 128, 65, 83, 89, 85, 82, 193, 65, 83, 
-    89, 77, 80, 84, 79, 84, 73, 67, 65, 76, 76, 217, 65, 83, 84, 82, 79, 78, 
-    79, 77, 73, 67, 65, 204, 65, 83, 84, 82, 79, 76, 79, 71, 73, 67, 65, 204, 
-    65, 83, 84, 79, 78, 73, 83, 72, 69, 196, 65, 83, 84, 69, 82, 73, 83, 77, 
-    128, 65, 83, 84, 69, 82, 73, 83, 75, 211, 65, 83, 84, 69, 82, 73, 83, 75, 
-    128, 65, 83, 84, 69, 82, 73, 83, 203, 65, 83, 84, 69, 82, 73, 83, 67, 85, 
-    83, 128, 65, 83, 83, 89, 82, 73, 65, 206, 65, 83, 83, 69, 82, 84, 73, 79, 
-    78, 128, 65, 83, 80, 73, 82, 65, 84, 73, 79, 78, 128, 65, 83, 80, 73, 82, 
-    65, 84, 69, 196, 65, 83, 80, 69, 82, 128, 65, 83, 73, 65, 45, 65, 85, 83, 
-    84, 82, 65, 76, 73, 65, 128, 65, 83, 72, 71, 65, 66, 128, 65, 83, 72, 69, 
-    83, 128, 65, 83, 72, 57, 128, 65, 83, 72, 178, 65, 83, 67, 69, 78, 84, 
+    66, 69, 78, 90, 69, 78, 197, 66, 69, 78, 84, 207, 66, 69, 78, 212, 66, 
+    69, 78, 68, 69, 128, 66, 69, 78, 68, 128, 66, 69, 206, 66, 69, 76, 84, 
+    128, 66, 69, 76, 212, 66, 69, 76, 79, 215, 66, 69, 76, 76, 72, 79, 208, 
+    66, 69, 76, 76, 128, 66, 69, 76, 204, 66, 69, 76, 71, 84, 72, 79, 210, 
+    66, 69, 73, 84, 72, 128, 66, 69, 72, 73, 78, 196, 66, 69, 72, 69, 72, 
+    128, 66, 69, 72, 69, 200, 66, 69, 72, 128, 66, 69, 200, 66, 69, 71, 73, 
+    78, 78, 73, 78, 71, 128, 66, 69, 71, 73, 78, 78, 69, 82, 128, 66, 69, 71, 
+    73, 206, 66, 69, 70, 79, 82, 197, 66, 69, 69, 84, 76, 69, 128, 66, 69, 
+    69, 84, 65, 128, 66, 69, 69, 210, 66, 69, 69, 72, 73, 86, 69, 128, 66, 
+    69, 69, 72, 128, 66, 69, 69, 200, 66, 69, 67, 65, 85, 83, 69, 128, 66, 
+    69, 65, 86, 69, 210, 66, 69, 65, 84, 73, 78, 199, 66, 69, 65, 84, 128, 
+    66, 69, 65, 210, 66, 69, 65, 78, 128, 66, 69, 65, 77, 69, 196, 66, 69, 
+    65, 67, 200, 66, 67, 65, 68, 128, 66, 67, 65, 196, 66, 66, 89, 88, 128, 
+    66, 66, 89, 84, 128, 66, 66, 89, 80, 128, 66, 66, 89, 128, 66, 66, 85, 
+    88, 128, 66, 66, 85, 84, 128, 66, 66, 85, 82, 88, 128, 66, 66, 85, 82, 
+    128, 66, 66, 85, 80, 128, 66, 66, 85, 79, 88, 128, 66, 66, 85, 79, 80, 
+    128, 66, 66, 85, 79, 128, 66, 66, 85, 128, 66, 66, 79, 88, 128, 66, 66, 
+    79, 84, 128, 66, 66, 79, 80, 128, 66, 66, 79, 128, 66, 66, 73, 88, 128, 
+    66, 66, 73, 80, 128, 66, 66, 73, 69, 88, 128, 66, 66, 73, 69, 84, 128, 
+    66, 66, 73, 69, 80, 128, 66, 66, 73, 69, 128, 66, 66, 73, 128, 66, 66, 
+    69, 88, 128, 66, 66, 69, 80, 128, 66, 66, 69, 69, 128, 66, 66, 69, 128, 
+    66, 66, 65, 88, 128, 66, 66, 65, 84, 128, 66, 66, 65, 80, 128, 66, 66, 
+    65, 65, 128, 66, 66, 65, 128, 66, 65, 89, 65, 78, 78, 65, 128, 66, 65, 
+    85, 128, 66, 65, 84, 84, 69, 82, 89, 128, 66, 65, 84, 72, 84, 85, 66, 
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     128, 65, 83, 67, 69, 78, 68, 73, 78, 199, 65, 83, 65, 76, 50, 128, 65, 
     82, 85, 72, 85, 65, 128, 65, 82, 84, 73, 83, 212, 65, 82, 84, 73, 67, 85, 
     76, 65, 84, 69, 196, 65, 82, 84, 65, 66, 197, 65, 82, 83, 69, 79, 83, 
     128, 65, 82, 83, 69, 79, 211, 65, 82, 83, 69, 78, 73, 67, 128, 65, 82, 
     82, 79, 87, 83, 128, 65, 82, 82, 79, 87, 211, 65, 82, 82, 79, 87, 72, 69, 
     65, 68, 128, 65, 82, 82, 79, 87, 72, 69, 65, 196, 65, 82, 82, 79, 87, 45, 
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-    196, 65, 82, 65, 66, 73, 67, 45, 73, 78, 68, 73, 195, 65, 82, 65, 66, 73, 
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-    128, 65, 78, 84, 73, 77, 79, 78, 217, 65, 78, 84, 73, 77, 79, 78, 73, 65, 
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-    78, 73, 65, 128, 65, 78, 84, 73, 67, 76, 79, 67, 75, 87, 73, 83, 69, 45, 
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-    65, 78, 84, 65, 82, 71, 79, 77, 85, 75, 72, 65, 128, 65, 78, 83, 85, 218, 
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-    78, 85, 73, 84, 217, 65, 78, 78, 79, 84, 65, 84, 73, 79, 206, 65, 78, 78, 
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-    196, 65, 78, 71, 83, 84, 82, 79, 205, 65, 78, 71, 82, 217, 65, 78, 71, 
-    75, 72, 65, 78, 75, 72, 85, 128, 65, 78, 71, 69, 210, 65, 78, 71, 69, 76, 
-    128, 65, 78, 71, 69, 68, 128, 65, 78, 68, 65, 80, 128, 65, 78, 67, 79, 
-    82, 65, 128, 65, 78, 67, 72, 79, 82, 128, 65, 78, 65, 84, 82, 73, 67, 72, 
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-    128, 65, 76, 77, 79, 83, 212, 65, 76, 77, 128, 65, 76, 76, 79, 128, 65, 
-    76, 76, 73, 65, 78, 67, 69, 128, 65, 76, 76, 201, 65, 76, 76, 65, 200, 
-    65, 76, 75, 65, 76, 73, 45, 50, 128, 65, 76, 75, 65, 76, 73, 128, 65, 76, 
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-    65, 76, 73, 69, 206, 65, 76, 71, 73, 218, 65, 76, 70, 65, 128, 65, 76, 
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-    128, 65, 76, 65, 89, 72, 197, 65, 76, 65, 82, 205, 65, 76, 65, 80, 72, 
-    128, 65, 76, 45, 76, 65, 75, 85, 78, 65, 128, 65, 75, 84, 73, 69, 83, 69, 
-    76, 83, 75, 65, 66, 128, 65, 75, 83, 65, 128, 65, 75, 72, 77, 73, 77, 73, 
-    195, 65, 75, 66, 65, 210, 65, 75, 65, 82, 65, 128, 65, 75, 65, 82, 193, 
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-    79, 206, 65, 73, 82, 80, 76, 65, 78, 69, 128, 65, 73, 78, 213, 65, 73, 
-    78, 78, 128, 65, 73, 76, 77, 128, 65, 73, 75, 65, 82, 65, 128, 65, 73, 
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-    72, 65, 78, 199, 65, 72, 65, 71, 71, 65, 210, 65, 72, 65, 68, 128, 65, 
-    71, 85, 78, 71, 128, 65, 71, 79, 71, 201, 65, 71, 71, 82, 65, 86, 65, 84, 
-    73, 79, 78, 128, 65, 71, 71, 82, 65, 86, 65, 84, 69, 196, 65, 71, 65, 73, 
-    78, 128, 65, 70, 84, 69, 210, 65, 70, 83, 65, 65, 81, 128, 65, 70, 82, 
-    73, 67, 65, 206, 65, 70, 79, 82, 69, 77, 69, 78, 84, 73, 79, 78, 69, 68, 
-    128, 65, 70, 71, 72, 65, 78, 201, 65, 70, 70, 82, 73, 67, 65, 84, 73, 79, 
-    206, 65, 69, 89, 65, 78, 78, 65, 128, 65, 69, 89, 128, 65, 69, 83, 67, 
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+    86, 69, 128, 65, 82, 82, 65, 89, 128, 65, 82, 80, 69, 71, 71, 73, 65, 84, 
+    207, 65, 82, 79, 85, 83, 73, 78, 199, 65, 82, 79, 85, 82, 193, 65, 82, 
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+    82, 76, 65, 85, 199, 65, 82, 75, 84, 73, 75, 207, 65, 82, 75, 65, 66, 
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+    128, 65, 54, 48, 49, 128, 65, 54, 48, 48, 128, 65, 53, 57, 56, 128, 65, 
+    53, 57, 54, 128, 65, 53, 57, 53, 128, 65, 53, 57, 52, 128, 65, 53, 57, 
+    50, 128, 65, 53, 57, 49, 128, 65, 53, 56, 57, 128, 65, 53, 56, 56, 128, 
+    65, 53, 56, 55, 128, 65, 53, 56, 54, 128, 65, 53, 56, 53, 128, 65, 53, 
+    56, 52, 128, 65, 53, 56, 51, 128, 65, 53, 56, 50, 128, 65, 53, 56, 49, 
+    128, 65, 53, 56, 48, 128, 65, 53, 55, 57, 128, 65, 53, 55, 56, 128, 65, 
+    53, 55, 55, 128, 65, 53, 55, 54, 128, 65, 53, 55, 53, 128, 65, 53, 55, 
+    52, 128, 65, 53, 55, 51, 128, 65, 53, 55, 50, 128, 65, 53, 55, 49, 128, 
+    65, 53, 55, 48, 128, 65, 53, 54, 57, 128, 65, 53, 54, 56, 128, 65, 53, 
+    54, 54, 128, 65, 53, 54, 53, 128, 65, 53, 54, 52, 128, 65, 53, 54, 51, 
+    128, 65, 53, 53, 57, 128, 65, 53, 53, 55, 128, 65, 53, 53, 54, 128, 65, 
+    53, 53, 53, 128, 65, 53, 53, 52, 128, 65, 53, 53, 51, 128, 65, 53, 53, 
+    50, 128, 65, 53, 53, 49, 128, 65, 53, 53, 48, 128, 65, 53, 52, 57, 128, 
+    65, 53, 52, 56, 128, 65, 53, 52, 55, 128, 65, 53, 52, 53, 128, 65, 53, 
+    52, 50, 128, 65, 53, 52, 49, 128, 65, 53, 52, 48, 128, 65, 53, 51, 57, 
+    128, 65, 53, 51, 56, 128, 65, 53, 51, 55, 128, 65, 53, 51, 54, 128, 65, 
+    53, 51, 53, 128, 65, 53, 51, 52, 128, 65, 53, 51, 50, 128, 65, 53, 51, 
+    49, 128, 65, 53, 51, 48, 128, 65, 53, 50, 57, 128, 65, 53, 50, 56, 128, 
+    65, 53, 50, 55, 128, 65, 53, 50, 54, 128, 65, 53, 50, 53, 128, 65, 53, 
+    50, 52, 128, 65, 53, 50, 51, 128, 65, 53, 50, 49, 128, 65, 53, 50, 48, 
+    128, 65, 53, 49, 54, 128, 65, 53, 49, 53, 128, 65, 53, 49, 51, 128, 65, 
+    53, 49, 50, 128, 65, 53, 49, 49, 128, 65, 53, 49, 48, 128, 65, 53, 48, 
+    57, 128, 65, 53, 48, 56, 128, 65, 53, 48, 54, 128, 65, 53, 48, 53, 128, 
+    65, 53, 48, 52, 128, 65, 53, 48, 51, 128, 65, 53, 48, 50, 128, 65, 53, 
+    48, 49, 128, 65, 52, 49, 56, 45, 86, 65, 83, 128, 65, 52, 49, 55, 45, 86, 
+    65, 83, 128, 65, 52, 49, 54, 45, 86, 65, 83, 128, 65, 52, 49, 53, 45, 86, 
+    65, 83, 128, 65, 52, 49, 52, 45, 86, 65, 83, 128, 65, 52, 49, 51, 45, 86, 
+    65, 83, 128, 65, 52, 49, 50, 45, 86, 65, 83, 128, 65, 52, 49, 49, 45, 86, 
+    65, 83, 128, 65, 52, 49, 48, 45, 86, 65, 83, 128, 65, 52, 48, 57, 45, 86, 
+    65, 83, 128, 65, 52, 48, 56, 45, 86, 65, 83, 128, 65, 52, 48, 55, 45, 86, 
+    65, 83, 128, 65, 52, 48, 54, 45, 86, 65, 83, 128, 65, 52, 48, 53, 45, 86, 
+    65, 83, 128, 65, 52, 48, 52, 45, 86, 65, 83, 128, 65, 52, 48, 51, 45, 86, 
+    65, 83, 128, 65, 52, 48, 50, 45, 86, 65, 83, 128, 65, 52, 48, 49, 45, 86, 
+    65, 83, 128, 65, 52, 48, 48, 45, 86, 65, 83, 128, 65, 51, 55, 49, 128, 
+    65, 51, 55, 48, 128, 65, 51, 54, 57, 128, 65, 51, 54, 56, 128, 65, 51, 
+    54, 55, 128, 65, 51, 54, 54, 128, 65, 51, 54, 53, 128, 65, 51, 54, 52, 
+    128, 65, 51, 54, 51, 128, 65, 51, 54, 50, 128, 65, 51, 54, 49, 128, 65, 
+    51, 54, 48, 128, 65, 51, 53, 57, 128, 65, 51, 53, 56, 128, 65, 51, 53, 
+    55, 128, 65, 51, 53, 54, 128, 65, 51, 53, 53, 128, 65, 51, 53, 52, 128, 
+    65, 51, 53, 51, 128, 65, 51, 53, 50, 128, 65, 51, 53, 49, 128, 65, 51, 
+    53, 48, 128, 65, 51, 52, 57, 128, 65, 51, 52, 56, 128, 65, 51, 52, 55, 
+    128, 65, 51, 52, 54, 128, 65, 51, 52, 53, 128, 65, 51, 52, 52, 128, 65, 
+    51, 52, 51, 128, 65, 51, 52, 50, 128, 65, 51, 52, 49, 128, 65, 51, 52, 
+    48, 128, 65, 51, 51, 57, 128, 65, 51, 51, 56, 128, 65, 51, 51, 55, 128, 
+    65, 51, 51, 54, 128, 65, 51, 51, 53, 128, 65, 51, 51, 52, 128, 65, 51, 
+    51, 51, 128, 65, 51, 51, 50, 128, 65, 51, 51, 49, 128, 65, 51, 51, 48, 
+    128, 65, 51, 50, 57, 128, 65, 51, 50, 56, 128, 65, 51, 50, 55, 128, 65, 
+    51, 50, 54, 128, 65, 51, 50, 53, 128, 65, 51, 50, 52, 128, 65, 51, 50, 
+    51, 128, 65, 51, 50, 50, 128, 65, 51, 50, 49, 128, 65, 51, 50, 48, 128, 
+    65, 51, 49, 57, 128, 65, 51, 49, 56, 128, 65, 51, 49, 55, 128, 65, 51, 
+    49, 54, 128, 65, 51, 49, 53, 128, 65, 51, 49, 52, 128, 65, 51, 49, 51, 
+    67, 128, 65, 51, 49, 51, 66, 128, 65, 51, 49, 51, 65, 128, 65, 51, 49, 
+    50, 128, 65, 51, 49, 49, 128, 65, 51, 49, 48, 128, 65, 51, 48, 57, 67, 
+    128, 65, 51, 48, 57, 66, 128, 65, 51, 48, 57, 65, 128, 65, 51, 48, 56, 
+    128, 65, 51, 48, 55, 128, 65, 51, 48, 54, 128, 65, 51, 48, 53, 128, 65, 
+    51, 48, 52, 128, 65, 51, 48, 51, 128, 65, 51, 48, 50, 128, 65, 51, 48, 
+    49, 128, 65, 49, 51, 49, 67, 128, 65, 49, 50, 48, 66, 128, 65, 49, 48, 
+    48, 45, 49, 48, 50, 128, 65, 48, 55, 48, 128, 65, 48, 54, 57, 128, 65, 
+    48, 54, 56, 128, 65, 48, 54, 55, 128, 65, 48, 54, 54, 128, 65, 48, 54, 
+    53, 128, 65, 48, 54, 52, 128, 65, 48, 54, 51, 128, 65, 48, 54, 50, 128, 
+    65, 48, 54, 49, 128, 65, 48, 54, 48, 128, 65, 48, 53, 57, 128, 65, 48, 
+    53, 56, 128, 65, 48, 53, 55, 128, 65, 48, 53, 54, 128, 65, 48, 53, 53, 
+    128, 65, 48, 53, 52, 128, 65, 48, 53, 51, 128, 65, 48, 53, 50, 128, 65, 
+    48, 53, 49, 128, 65, 48, 53, 48, 128, 65, 48, 52, 57, 128, 65, 48, 52, 
+    56, 128, 65, 48, 52, 55, 128, 65, 48, 52, 54, 128, 65, 48, 52, 53, 65, 
+    128, 65, 48, 52, 53, 128, 65, 48, 52, 52, 128, 65, 48, 52, 51, 65, 128, 
+    65, 48, 52, 51, 128, 65, 48, 52, 50, 65, 128, 65, 48, 52, 50, 128, 65, 
+    48, 52, 49, 128, 65, 48, 52, 48, 65, 128, 65, 48, 52, 48, 128, 65, 48, 
+    51, 57, 128, 65, 48, 51, 56, 128, 65, 48, 51, 55, 128, 65, 48, 51, 54, 
+    128, 65, 48, 51, 53, 128, 65, 48, 51, 52, 128, 65, 48, 51, 51, 128, 65, 
+    48, 51, 50, 65, 128, 65, 48, 50, 56, 66, 128, 65, 48, 49, 55, 65, 128, 
+    65, 48, 49, 52, 65, 128, 65, 48, 48, 54, 66, 128, 65, 48, 48, 54, 65, 
+    128, 65, 48, 48, 53, 65, 128, 65, 45, 69, 85, 128, 45, 85, 205, 45, 80, 
+    72, 82, 85, 128, 45, 75, 72, 89, 85, 196, 45, 75, 72, 89, 73, 76, 128, 
+    45, 68, 90, 85, 196, 45, 67, 72, 65, 210, 45, 67, 72, 65, 76, 128, 
 };
 
 static unsigned int lexicon_offset[] = {
-    0, 0, 6, 10, 18, 23, 27, 34, 39, 41, 47, 50, 62, 70, 80, 93, 102, 108, 
-    113, 121, 130, 135, 140, 143, 147, 153, 158, 163, 171, 178, 186, 191, 
-    194, 200, 208, 215, 225, 230, 237, 246, 249, 254, 257, 263, 267, 272, 
-    281, 288, 295, 301, 310, 315, 321, 327, 335, 144, 341, 349, 350, 358, 
-    361, 367, 369, 375, 382, 384, 391, 395, 403, 410, 412, 417, 422, 427, 
-    434, 436, 299, 442, 445, 447, 452, 457, 463, 470, 479, 489, 494, 498, 
-    505, 518, 522, 531, 538, 545, 548, 554, 558, 562, 572, 580, 588, 596, 
-    605, 613, 618, 619, 623, 631, 638, 648, 652, 663, 667, 670, 673, 678, 
-    348, 682, 691, 697, 703, 705, 708, 711, 714, 718, 722, 731, 739, 744, 
-    747, 751, 757, 764, 771, 776, 785, 794, 801, 805, 818, 827, 835, 841, 
-    557, 850, 860, 867, 873, 879, 886, 894, 898, 749, 906, 915, 503, 923, 
-    928, 934, 17, 943, 948, 951, 955, 959, 966, 969, 976, 980, 988, 992, 
-    1000, 1004, 1007, 1014, 1021, 192, 1024, 1029, 1039, 1048, 1055, 1060, 
-    1066, 1072, 1080, 1083, 1088, 1094, 1102, 1107, 1110, 1113, 111, 1118, 
-    1122, 1128, 1134, 1137, 1143, 1147, 1152, 1158, 1168, 1172, 1175, 1178, 
-    1187, 1191, 1194, 1199, 1204, 1210, 1215, 1220, 1225, 1229, 1234, 1240, 
-    1245, 1250, 1254, 1260, 1265, 1270, 1275, 1279, 1284, 1289, 1294, 1300, 
-    1306, 1312, 1317, 1321, 1326, 1331, 1336, 1340, 1345, 1350, 1355, 1360, 
-    1195, 1200, 1205, 1211, 1216, 1364, 1226, 1370, 1375, 1380, 1387, 1391, 
-    1400, 1230, 1404, 1235, 1241, 1246, 1408, 1413, 1418, 1422, 1426, 1432, 
-    1436, 1251, 1439, 1261, 1444, 1448, 1266, 1454, 1271, 1458, 1462, 1276, 
-    1466, 1471, 1475, 1478, 1482, 1280, 1285, 1487, 1290, 1493, 1499, 1505, 
-    1511, 1295, 1307, 1313, 1515, 1519, 1523, 1526, 1318, 1530, 1532, 1537, 
-    1542, 1548, 1553, 1558, 1562, 1567, 1572, 1577, 1582, 1588, 1593, 1598, 
-    1604, 1610, 1615, 1619, 1624, 1629, 1634, 1639, 1643, 1651, 1655, 1660, 
-    1665, 1670, 1675, 1679, 1682, 1687, 1692, 1697, 1702, 1708, 1713, 1717, 
-    1322, 1720, 1725, 1730, 1327, 1734, 1738, 1745, 1332, 1752, 1337, 1756, 
-    1758, 1763, 1769, 1341, 1774, 1783, 1346, 1788, 1794, 1351, 1799, 1804, 
-    1807, 1812, 1816, 1820, 1824, 1827, 1831, 1356, 1361, 1058, 1836, 1842, 
-    1848, 1854, 1860, 1866, 1872, 1878, 1884, 1889, 1895, 1901, 1907, 1913, 
-    1919, 1925, 1931, 1937, 1943, 1948, 1953, 1958, 1963, 1968, 1973, 1978, 
-    1983, 1988, 1993, 1999, 2004, 2010, 2015, 2021, 2027, 2032, 2038, 2044, 
-    2050, 2056, 2061, 2066, 2068, 2069, 2073, 2077, 2082, 2086, 2090, 2094, 
-    2099, 2103, 2106, 2111, 2115, 2120, 2124, 2128, 2133, 2137, 2140, 2144, 
-    2150, 2164, 2168, 2172, 2176, 2179, 2184, 2188, 2192, 2195, 2199, 2204, 
-    2209, 2214, 2219, 2223, 2227, 2231, 2236, 2240, 2245, 2249, 2254, 2260, 
-    2267, 2273, 2278, 2283, 2288, 2294, 2299, 2305, 2310, 2313, 1212, 2315, 
-    2322, 2330, 2340, 2349, 2363, 2367, 2371, 2384, 2392, 2396, 2401, 2405, 
-    2408, 2412, 2416, 2421, 2426, 2431, 2435, 2438, 2442, 2449, 2456, 2462, 
-    2467, 2472, 2478, 2484, 2489, 2492, 1760, 2494, 2500, 2504, 2509, 2513, 
-    2517, 1765, 1771, 2522, 2526, 2529, 2534, 2539, 2544, 2549, 2553, 2560, 
-    2565, 2568, 2575, 2581, 2585, 2589, 2593, 2598, 2605, 2610, 2615, 2622, 
-    2628, 2634, 2640, 2654, 2671, 2686, 2701, 2710, 2715, 2719, 2724, 2729, 
-    2733, 2745, 2752, 2758, 2263, 2764, 2771, 2777, 2781, 2784, 2791, 2797, 
-    2801, 2805, 2809, 2091, 2813, 2818, 2823, 2827, 2835, 2839, 2843, 2847, 
-    2851, 2856, 2861, 2866, 2870, 2875, 2880, 2884, 2889, 2893, 2896, 2900, 
-    2904, 2912, 2917, 2921, 2925, 2931, 2940, 2944, 2948, 2954, 2959, 2966, 
-    2970, 2980, 2984, 2988, 2993, 2997, 3002, 3008, 3013, 3017, 3021, 3025, 
-    2452, 3033, 3038, 3044, 3049, 3053, 3058, 3063, 3067, 3073, 3078, 2095, 
-    3084, 3090, 3095, 3100, 3105, 3110, 3115, 3120, 3125, 3130, 3135, 3141, 
-    3146, 1227, 92, 3152, 3156, 3160, 3164, 3169, 3173, 3177, 3181, 3185, 
-    3190, 3194, 3199, 3203, 3206, 3210, 3215, 3219, 3224, 3228, 3232, 3236, 
-    3241, 3245, 3248, 3261, 3265, 3269, 3273, 3277, 3281, 3284, 3288, 3292, 
-    3297, 3301, 3306, 3311, 3316, 3320, 3323, 3326, 3332, 3336, 3340, 3343, 
-    3347, 3351, 3354, 3360, 3365, 3370, 3376, 3381, 3386, 3392, 3398, 3403, 
-    3408, 3413, 1120, 547, 3418, 3421, 3426, 3430, 3433, 3437, 3442, 3447, 
-    3451, 3456, 3460, 3465, 3469, 3473, 3479, 3485, 3488, 3491, 3497, 3504, 
-    3511, 3517, 3524, 3529, 3533, 3540, 3547, 3552, 3556, 3566, 3570, 3574, 
-    3579, 3584, 3594, 2107, 3599, 3603, 3606, 3612, 3617, 3623, 3629, 3634, 
-    3641, 3645, 3649, 620, 671, 1388, 3653, 3660, 3667, 3674, 3681, 3687, 
-    3693, 3698, 3702, 3708, 3713, 3717, 2116, 3721, 3729, 600, 3735, 3746, 
-    3750, 3760, 2121, 3766, 3771, 3786, 3792, 3799, 3809, 3815, 3820, 3826, 
-    3832, 3835, 3839, 3844, 3851, 3856, 3860, 3864, 3868, 3872, 3877, 3883, 
-    3894, 3211, 3899, 3911, 3919, 3924, 1564, 3931, 3934, 3937, 3941, 3944, 
-    3950, 3954, 3968, 3972, 3975, 3979, 3985, 3991, 3996, 4000, 4004, 4010, 
-    4021, 4027, 4032, 4038, 4042, 4050, 4060, 4066, 4071, 4080, 4088, 4095, 
-    4099, 4105, 4114, 4123, 4127, 4132, 4137, 4141, 4149, 4153, 4158, 4162, 
-    2129, 1401, 4168, 4173, 4179, 4184, 4189, 4194, 4199, 4204, 4209, 4215, 
-    4220, 4226, 4231, 4236, 4241, 4247, 4252, 4257, 4262, 4267, 4273, 4278, 
-    4284, 4289, 4294, 4299, 4304, 4309, 4314, 4320, 4325, 4330, 319, 456, 
-    4335, 4341, 4345, 4349, 4354, 4358, 4362, 4365, 4369, 4373, 4377, 4381, 
-    4386, 4390, 4394, 4400, 4165, 4405, 4409, 4412, 4417, 4422, 4427, 4432, 
-    4437, 4442, 4447, 4452, 4457, 4462, 4466, 4471, 4476, 4481, 4486, 4491, 
-    4496, 4501, 4506, 4511, 4516, 4520, 4525, 4530, 4535, 4540, 4545, 4550, 
-    4555, 4560, 4565, 4570, 4574, 4579, 4584, 4589, 4594, 4599, 4604, 4609, 
-    4614, 4619, 4624, 4628, 4633, 4638, 4643, 4648, 4653, 4658, 4663, 4668, 
-    4673, 4678, 4682, 4687, 4692, 4697, 4702, 4707, 4712, 4717, 4722, 4727, 
-    4732, 4736, 4741, 4746, 4751, 4756, 4761, 4766, 4771, 4776, 4781, 4786, 
-    4790, 4795, 4800, 4805, 4810, 4816, 4822, 4828, 4834, 4840, 4846, 4852, 
-    4857, 4863, 4869, 4875, 4881, 4887, 4893, 4899, 4905, 4911, 4917, 4922, 
-    4928, 4934, 4940, 4946, 4952, 4958, 4964, 4970, 4976, 4982, 4987, 4993, 
-    4999, 5005, 5011, 5017, 5023, 5029, 5035, 5041, 5047, 5052, 5058, 5064, 
-    5070, 5076, 5082, 5088, 5094, 5100, 5106, 5112, 5117, 5123, 5129, 5135, 
-    5141, 5147, 5153, 5159, 5165, 5171, 5177, 5182, 5186, 5192, 5198, 5204, 
-    5210, 5216, 5222, 5228, 5234, 5240, 5246, 5251, 5257, 5263, 5269, 5275, 
-    5281, 5287, 5293, 5299, 5305, 5311, 5316, 5322, 5328, 5334, 5340, 5346, 
-    5352, 5358, 5364, 5370, 5376, 5381, 5387, 5393, 5399, 5405, 5411, 5417, 
-    5423, 5429, 5435, 5441, 5446, 5452, 5458, 5464, 5470, 5476, 5482, 5488, 
-    5494, 5500, 5506, 5511, 5517, 5523, 5529, 5535, 5541, 5547, 5553, 5559, 
-    5565, 5571, 5576, 5582, 5588, 5594, 5600, 5606, 5612, 5618, 5624, 5630, 
-    5636, 5641, 5647, 5653, 5659, 5665, 5671, 5677, 5683, 5689, 5695, 5701, 
-    5706, 5712, 5718, 5724, 5730, 5736, 5742, 5748, 5754, 5760, 5766, 5771, 
-    5777, 5783, 5789, 5795, 5801, 5807, 5813, 5819, 5825, 5831, 5836, 5840, 
-    5843, 5850, 5854, 5867, 5871, 5875, 5879, 5883, 5887, 5891, 5897, 5904, 
-    5912, 5916, 5924, 5933, 5939, 5951, 5956, 5959, 5963, 5973, 5981, 5989, 
-    5995, 5999, 6009, 6019, 6027, 6034, 6041, 6047, 6053, 6060, 6064, 6071, 
-    6081, 6091, 6099, 6106, 6111, 6115, 6123, 6127, 6132, 6139, 6147, 6152, 
-    6157, 6161, 6168, 6173, 6187, 6192, 6197, 6204, 6213, 6216, 6220, 6224, 
-    6228, 6231, 6236, 6241, 6250, 6256, 6262, 6268, 6272, 6283, 6293, 6308, 
-    6323, 6338, 6353, 6368, 6383, 6398, 6413, 6428, 6443, 6458, 6473, 6488, 
-    6503, 6518, 6533, 6548, 6563, 6578, 6593, 6608, 6623, 6638, 6653, 6668, 
-    6683, 6698, 6713, 6728, 6743, 6758, 6773, 6788, 6803, 6818, 6833, 6848, 
-    6863, 6878, 6893, 6908, 6923, 6938, 6953, 6968, 6983, 6998, 7013, 7028, 
-    7037, 7046, 7051, 7057, 7067, 7071, 7076, 7081, 7089, 7093, 7096, 7100, 
-    2975, 7103, 7108, 298, 425, 7114, 7122, 7126, 7130, 7133, 7137, 7143, 
-    7147, 7155, 7161, 7166, 7173, 7180, 7186, 7191, 7198, 7204, 7212, 7216, 
-    7221, 7233, 7244, 7251, 7255, 7259, 7265, 3233, 7269, 7275, 7280, 7285, 
-    7290, 7296, 7301, 7306, 7311, 7316, 7322, 7327, 7332, 7338, 7343, 7349, 
-    7354, 7360, 7365, 7371, 7376, 7381, 7386, 7391, 7396, 7402, 7407, 7412, 
-    7417, 7423, 7429, 7435, 7441, 7447, 7453, 7459, 7465, 7471, 7477, 7483, 
-    7489, 7494, 7499, 7504, 7509, 7514, 7519, 7524, 7529, 7535, 7541, 7546, 
-    7552, 7558, 7564, 7569, 7574, 7579, 7584, 7590, 7596, 7601, 7606, 7611, 
-    7616, 7621, 7627, 7632, 7638, 7644, 7650, 7656, 7662, 7668, 7674, 7680, 
-    7686, 2138, 7132, 7691, 7695, 7699, 7702, 7709, 7712, 7720, 7725, 7730, 
-    7721, 7735, 2165, 7739, 7745, 7751, 7756, 7761, 7768, 7776, 7781, 7785, 
-    7788, 7792, 7798, 7804, 7808, 2173, 560, 7811, 7815, 7820, 7826, 7831, 
-    7835, 7838, 7842, 7848, 7853, 7857, 7864, 7868, 7872, 7876, 945, 769, 
-    7879, 7887, 7894, 7901, 7907, 7914, 7922, 7929, 7936, 7941, 7953, 1247, 
-    1409, 1414, 7964, 1419, 7968, 7972, 7981, 7989, 7998, 8004, 8009, 8013, 
-    8019, 8024, 2706, 8031, 8035, 8044, 8053, 8062, 8071, 8076, 8081, 8093, 
-    8098, 8106, 2224, 8110, 8112, 8117, 8121, 8130, 8138, 1423, 133, 3461, 
-    3466, 8144, 8148, 8157, 8163, 8168, 8171, 8180, 2698, 8186, 8194, 8198, 
-    8202, 8206, 2237, 8210, 8215, 8222, 8228, 8234, 8237, 8239, 8242, 8250, 
-    8258, 8266, 8269, 8274, 2250, 8279, 7732, 8282, 8284, 8289, 8294, 8299, 
-    8304, 8309, 8314, 8319, 8324, 8329, 8334, 8340, 8345, 8350, 8355, 8361, 
-    8366, 8371, 8376, 8381, 8386, 8391, 8397, 8402, 8407, 8412, 8417, 8422, 
-    8427, 8432, 8437, 8442, 8447, 8452, 8457, 8462, 8467, 8472, 8477, 8482, 
-    8488, 8494, 8499, 8504, 8509, 8514, 8519, 2261, 2268, 2274, 8524, 8530, 
-    8538, 2300, 2306, 8546, 8550, 8555, 8559, 8563, 8567, 8572, 8576, 8581, 
-    8585, 8588, 8591, 8597, 8603, 8609, 8615, 8621, 8627, 8633, 8637, 8641, 
-    8645, 8649, 8653, 8658, 8665, 8676, 8684, 8694, 8700, 8707, 8712, 8716, 
-    8727, 8740, 8751, 8764, 8775, 8787, 8799, 8811, 8824, 8837, 8844, 8850, 
-    8864, 8871, 8877, 8881, 8886, 8890, 8897, 8905, 8909, 8915, 8919, 8925, 
-    8935, 8939, 8944, 8949, 8956, 8962, 8972, 7909, 8978, 8982, 8989, 8996, 
-    768, 9000, 9004, 9009, 9014, 9019, 9023, 9029, 9037, 9043, 9047, 9053, 
-    9063, 9067, 9073, 9078, 9082, 9088, 9094, 2161, 9099, 9101, 9106, 9114, 
-    9123, 9127, 9133, 9138, 9143, 9148, 9153, 9159, 9164, 9169, 4006, 9174, 
-    9179, 9183, 9189, 9194, 9200, 9205, 9210, 9216, 9221, 9128, 9227, 9231, 
-    9238, 9244, 9249, 9253, 6183, 9258, 9267, 9272, 9277, 8218, 8225, 9282, 
-    2853, 9286, 9291, 9296, 9139, 9300, 9305, 9144, 9149, 9310, 9317, 9324, 
-    9330, 9336, 9342, 9347, 9352, 9357, 9154, 9160, 9363, 9369, 9374, 9382, 
-    9165, 9387, 990, 9390, 9398, 9404, 9410, 9419, 9427, 9432, 9438, 9446, 
-    9453, 9468, 9485, 9504, 9513, 9521, 9536, 9547, 9557, 9567, 9575, 9581, 
-    9593, 9602, 9610, 9617, 9624, 9630, 9635, 9643, 9653, 9660, 9670, 9680, 
-    9690, 9698, 9705, 9714, 9724, 9738, 9753, 9762, 9770, 9775, 9779, 9788, 
-    9794, 9799, 9809, 9819, 9829, 9834, 9838, 9847, 9852, 9862, 9873, 9886, 
-    9894, 9907, 9919, 9927, 9932, 9936, 9942, 9947, 9955, 9963, 9970, 9975, 
-    9983, 9989, 9992, 9996, 10002, 10010, 10015, 10019, 10027, 10036, 10044, 
-    10050, 10054, 10061, 10072, 10076, 10079, 10085, 9170, 10090, 10096, 
-    10103, 10109, 10114, 10121, 10128, 10135, 10142, 10149, 10156, 10163, 
-    10170, 10175, 9481, 10180, 10186, 10193, 10200, 10205, 10212, 10221, 
-    10225, 10237, 8256, 10241, 10244, 10248, 10252, 10256, 10260, 10266, 
-    10272, 10277, 10283, 10288, 10293, 10299, 10304, 10309, 8952, 10314, 
-    10318, 10322, 10326, 10331, 10336, 10344, 10350, 10354, 10358, 10365, 
-    10370, 10378, 10383, 10387, 10390, 10396, 10403, 10407, 10410, 10415, 
-    10419, 4045, 10425, 10434, 36, 10442, 10448, 10453, 8967, 10458, 10463, 
-    10467, 10470, 10485, 10504, 10516, 10529, 10542, 10555, 10569, 10582, 
-    10597, 10604, 9175, 10610, 10624, 10629, 10635, 10640, 10648, 10653, 
-    8040, 10658, 10661, 10668, 10673, 10677, 2858, 998, 10683, 10687, 10693, 
-    10699, 10704, 10710, 10715, 9184, 10721, 10727, 10732, 10737, 10745, 
-    10751, 10764, 10772, 10779, 9190, 10785, 10793, 10801, 10808, 10821, 
-    10833, 10843, 10851, 10858, 10865, 10874, 10883, 10891, 10898, 10903, 
-    10909, 9195, 10914, 10920, 9201, 10925, 10928, 10935, 10941, 10954, 8669, 
-    10965, 10971, 10980, 10988, 10995, 11001, 11007, 11012, 11016, 11021, 
-    10477, 11027, 9206, 11034, 11039, 11046, 11052, 11058, 11063, 11071, 
-    11079, 11086, 11090, 11104, 11114, 11119, 11123, 11134, 11140, 11145, 
-    11150, 9211, 9217, 11154, 11157, 11162, 11174, 11181, 11186, 11190, 
-    11195, 11199, 11206, 11212, 9222, 9129, 11219, 2863, 8, 11226, 11231, 
-    11235, 11241, 11249, 11259, 11264, 11269, 11276, 11283, 11287, 11298, 
-    11308, 11317, 11329, 11334, 11338, 11346, 11360, 11364, 11367, 11375, 
-    11382, 11390, 11394, 11405, 11409, 11416, 11421, 11425, 11431, 11436, 
-    11440, 11446, 11451, 11462, 11466, 11469, 11475, 11480, 11486, 11492, 
-    11499, 11510, 11520, 11530, 11539, 11546, 11555, 9232, 9239, 9245, 9250, 
-    11561, 11567, 9254, 11573, 11576, 11583, 11588, 11603, 11619, 11634, 
-    11642, 11648, 11653, 838, 420, 11658, 11666, 11673, 11679, 11684, 11689, 
-    9259, 11691, 11695, 11700, 11704, 11714, 11719, 11723, 11732, 11736, 
-    11739, 9268, 11746, 11749, 11757, 11764, 11772, 11776, 11783, 11792, 
-    11795, 11799, 11803, 11809, 11813, 11817, 11821, 11827, 11837, 11841, 
-    11849, 11853, 11860, 11864, 11869, 11873, 11880, 11886, 11894, 11900, 
-    11905, 11915, 11920, 11925, 11929, 11937, 3905, 11945, 11950, 9273, 
-    11954, 11958, 11961, 11969, 11976, 11980, 5991, 11984, 11989, 11993, 
-    12004, 12014, 12019, 12025, 12029, 12032, 12040, 12045, 12050, 12057, 
-    12062, 9278, 12067, 12071, 12078, 1722, 6145, 12083, 12088, 12093, 12098, 
-    12104, 12109, 12115, 12120, 12125, 12130, 12135, 12140, 12145, 12150, 
-    12155, 12160, 12165, 12170, 12175, 12180, 12185, 12190, 12195, 12201, 
-    12206, 12211, 12216, 12221, 12226, 12232, 12237, 12242, 12248, 12253, 
-    12259, 12264, 12270, 12275, 12280, 12285, 12290, 12296, 12301, 12306, 
-    12311, 737, 139, 12319, 12323, 12328, 12333, 12337, 12341, 12345, 12350, 
-    12354, 12359, 12363, 12366, 12370, 12374, 12380, 12385, 12395, 12401, 
-    12409, 12413, 12417, 12424, 12432, 12441, 12452, 12459, 12466, 12470, 
-    12479, 12488, 12496, 12505, 12514, 12523, 12532, 12542, 12552, 12562, 
-    12572, 12582, 12591, 12601, 12611, 12621, 12631, 12641, 12651, 12661, 
-    12670, 12680, 12690, 12700, 12710, 12720, 12730, 12739, 12749, 12759, 
-    12769, 12779, 12789, 12799, 12809, 12819, 12829, 12838, 12848, 12858, 
-    12868, 12878, 12888, 12898, 12908, 12918, 12928, 12938, 12947, 1256, 
-    12953, 12956, 12960, 12965, 12972, 12978, 12983, 12987, 12992, 13001, 
-    13009, 13014, 13018, 13022, 13028, 13033, 13039, 9287, 13044, 13049, 
-    13058, 9292, 13063, 13066, 13072, 13080, 9297, 13087, 13091, 13095, 
-    13099, 13109, 13115, 13121, 13126, 13135, 13143, 13150, 13157, 13162, 
-    13169, 13174, 13178, 13181, 13192, 13202, 13211, 13219, 13230, 13242, 
-    13252, 13257, 13261, 13266, 13271, 13275, 13281, 13289, 13296, 13307, 
-    13312, 13322, 13326, 13329, 13336, 13346, 13355, 13362, 13366, 13373, 
-    13379, 13384, 13389, 13393, 13402, 13407, 13413, 13417, 13422, 13426, 
-    13435, 13443, 13451, 13458, 13466, 13478, 13489, 13499, 13506, 13512, 
-    13521, 13532, 13541, 13553, 13565, 13577, 13587, 13596, 13605, 13613, 
-    13620, 13629, 13637, 13641, 13647, 13653, 13658, 7753, 13662, 13664, 
-    13668, 13673, 13679, 13688, 13692, 13698, 13706, 13713, 13722, 13731, 
-    13740, 13749, 13758, 13767, 13776, 13785, 13795, 13805, 13814, 13820, 
-    13827, 13834, 13840, 13854, 13861, 13869, 13878, 13884, 13893, 13902, 
-    13913, 13923, 13931, 13938, 13946, 13955, 13968, 13976, 13983, 13996, 
-    14002, 14008, 14018, 14027, 14036, 14041, 14045, 14051, 14057, 14064, 
-    8966, 14069, 14074, 14081, 14086, 12376, 14091, 14099, 14105, 14110, 
-    14118, 14126, 14133, 14141, 14147, 14155, 14163, 14169, 14174, 14180, 
-    14187, 14193, 14198, 14202, 14213, 14221, 14227, 14232, 14241, 14247, 
-    14252, 14261, 14275, 3853, 14279, 14284, 14289, 14295, 14300, 14305, 
-    14309, 14314, 14319, 14324, 7752, 14329, 14334, 14339, 14344, 14349, 
-    14353, 14358, 14363, 14368, 14373, 14379, 14385, 14390, 14394, 14399, 
-    14404, 14409, 9301, 14414, 14419, 14424, 14429, 14434, 14451, 14469, 
-    14481, 14494, 14511, 14527, 14544, 14554, 14573, 14584, 14595, 14606, 
-    14617, 14629, 14640, 14651, 14668, 14679, 14690, 14695, 9306, 14700, 
-    14704, 2381, 14708, 14711, 14717, 14725, 14733, 14738, 14746, 14754, 
-    14761, 14766, 14772, 14779, 14787, 14794, 14806, 14814, 14819, 11597, 
-    14825, 14834, 14843, 14851, 14858, 14864, 14872, 14879, 14885, 14892, 
-    14898, 14907, 14915, 14925, 14932, 14938, 14946, 14952, 14960, 14967, 
-    14980, 14987, 14996, 15005, 15014, 15022, 15032, 15039, 15044, 3560, 
-    15051, 15056, 1372, 15060, 14330, 15064, 15070, 15074, 15082, 15094, 
-    15099, 15106, 15112, 15117, 15124, 14335, 15128, 15132, 15136, 14340, 
-    15140, 14345, 15144, 15151, 15156, 15160, 15167, 15171, 15179, 15186, 
-    15190, 15197, 15214, 15223, 15227, 15230, 15238, 15244, 15249, 3638, 
-    15253, 15255, 15263, 15270, 15280, 15292, 15297, 15303, 15308, 15312, 
-    15318, 15323, 15329, 15332, 15339, 15347, 15354, 15360, 15366, 15371, 
-    15378, 15384, 15389, 15396, 15400, 15406, 15410, 15417, 15423, 15429, 
-    15437, 15443, 15448, 15454, 15462, 15470, 15476, 15482, 15487, 15494, 
-    15499, 15503, 15509, 15514, 15521, 15526, 15532, 15535, 15541, 15547, 
-    15550, 15554, 15566, 15572, 15577, 15584, 15590, 15596, 15607, 15617, 
-    15626, 15634, 15641, 15652, 15662, 15672, 15680, 15683, 14359, 15688, 
-    15693, 14364, 14499, 15701, 15714, 15729, 15740, 14516, 15758, 15771, 
-    15784, 15795, 10492, 15806, 15819, 15838, 15849, 15860, 15871, 2649, 
-    15884, 15888, 15896, 15911, 15926, 15937, 15944, 15950, 15958, 15962, 
-    15968, 15971, 15981, 15989, 15996, 16004, 16014, 16019, 16026, 16031, 
-    16038, 16049, 16059, 16065, 16070, 16075, 14369, 16079, 16085, 16091, 
-    16096, 16101, 16106, 16110, 14374, 14380, 16114, 14386, 16119, 16127, 
-    16136, 16143, 9150, 16147, 16149, 16154, 16159, 16165, 16170, 16175, 
-    16180, 16185, 16189, 16195, 16201, 16206, 16212, 16217, 16222, 16228, 
-    16233, 16238, 16243, 16248, 16254, 16259, 16264, 16270, 16276, 16281, 
-    16286, 16293, 16299, 16310, 16317, 16322, 16326, 16330, 16333, 16341, 
-    16346, 16353, 16360, 16366, 16371, 16376, 16383, 16393, 16398, 16405, 
-    16411, 16421, 16431, 16445, 16459, 16473, 16487, 16502, 16517, 16534, 
-    16552, 16565, 16571, 16576, 16581, 16585, 16590, 16598, 16604, 16609, 
-    16614, 16618, 16623, 16627, 16632, 16636, 16647, 16653, 16658, 16663, 
-    16670, 16675, 16679, 16684, 16689, 16695, 16702, 16708, 16713, 16717, 
-    16723, 16728, 16733, 16737, 16743, 16748, 16753, 16760, 16765, 13111, 
-    16769, 16774, 16778, 16783, 16789, 16795, 16802, 16812, 16820, 16827, 
-    16832, 16836, 16845, 16853, 16860, 16867, 16873, 16879, 16884, 16889, 
-    16895, 16900, 16906, 16911, 16917, 16923, 16930, 16936, 16941, 16946, 
-    9348, 16955, 16958, 16964, 16969, 16974, 16984, 16991, 16997, 17002, 
-    17007, 17013, 17018, 17024, 17029, 17035, 17041, 17046, 17054, 17061, 
-    17066, 17071, 17077, 17082, 17086, 17095, 17106, 17113, 17118, 17126, 
-    17132, 17139, 17145, 17150, 17154, 17160, 17165, 17170, 17175, 1440, 
-    7777, 2877, 17179, 17183, 17187, 17191, 17195, 17199, 17202, 17209, 
-    17217, 14400, 17224, 17234, 17242, 17249, 17257, 17267, 17276, 17289, 
-    17294, 17299, 17307, 17314, 13207, 13216, 17321, 17331, 17346, 17352, 
-    17359, 17366, 17372, 17380, 17390, 17400, 14405, 17409, 17415, 17421, 
-    17429, 17437, 17442, 17451, 17459, 17471, 17481, 17491, 17501, 17510, 
-    17522, 17532, 17542, 17553, 17558, 17570, 17582, 17594, 17606, 17618, 
-    17630, 17642, 17654, 17666, 17678, 17689, 17701, 17713, 17725, 17737, 
-    17749, 17761, 17773, 17785, 17797, 17809, 17820, 17832, 17844, 17856, 
-    17868, 17880, 17892, 17904, 17916, 17928, 17940, 17951, 17963, 17975, 
-    17987, 17999, 18011, 18023, 18035, 18047, 18059, 18071, 18082, 18094, 
-    18106, 18118, 18130, 18142, 18154, 18166, 18178, 18190, 18202, 18213, 
-    18225, 18237, 18249, 18261, 18273, 18285, 18297, 18309, 18321, 18333, 
-    18344, 18356, 18368, 18380, 18392, 18404, 18416, 18428, 18440, 18452, 
-    18464, 18475, 18487, 18499, 18511, 18523, 18536, 18549, 18562, 18575, 
-    18588, 18601, 18614, 18626, 18639, 18652, 18665, 18678, 18691, 18704, 
-    18717, 18730, 18743, 18756, 18768, 18781, 18794, 18807, 18820, 18833, 
-    18846, 18859, 18872, 18885, 18898, 18910, 18923, 18936, 18949, 18962, 
-    18975, 18988, 19001, 19014, 19027, 19040, 19052, 19065, 19078, 19091, 
-    19104, 19117, 19130, 19143, 19156, 19169, 19182, 19194, 19207, 19220, 
-    19233, 19246, 19259, 19272, 19285, 19298, 19311, 19324, 19336, 19347, 
-    19360, 19373, 19386, 19399, 19412, 19425, 19438, 19451, 19464, 19477, 
-    19489, 19502, 19515, 19528, 19541, 19554, 19567, 19580, 19593, 19606, 
-    19619, 19631, 19644, 19657, 19670, 19683, 19696, 19709, 19722, 19735, 
-    19748, 19761, 19773, 19786, 19799, 19812, 19825, 19838, 19851, 19864, 
-    19877, 19890, 19903, 19915, 19928, 19941, 19954, 19967, 19980, 19993, 
-    20006, 20019, 20032, 20045, 20057, 20070, 20083, 20096, 20109, 20122, 
-    20135, 20148, 20161, 20174, 20187, 20199, 20212, 20225, 20238, 20251, 
-    20264, 20277, 20290, 20303, 20316, 20329, 20341, 20354, 20367, 20380, 
-    20393, 20406, 20419, 20432, 20445, 20458, 20471, 20483, 20496, 20509, 
-    20522, 20535, 20548, 20561, 20574, 20587, 20600, 20613, 20625, 20638, 
-    20651, 20664, 20677, 20690, 20703, 20716, 20729, 20742, 20755, 20767, 
-    20778, 20786, 20794, 20801, 20807, 20811, 20817, 20823, 20831, 20837, 
-    20842, 20846, 20855, 9155, 20866, 20873, 20881, 20888, 20895, 10948, 
-    20902, 20911, 20916, 20921, 7805, 20928, 20933, 20936, 20941, 20949, 
-    20956, 20963, 20970, 20976, 20985, 20994, 21000, 21009, 21013, 21019, 
-    21024, 21034, 21041, 21047, 21055, 21061, 21068, 21078, 21087, 21091, 
-    21098, 21102, 21107, 21113, 21121, 21125, 21135, 14415, 21144, 21150, 
-    21154, 21163, 14420, 21169, 21176, 21187, 21195, 21204, 21212, 8931, 
-    21220, 21225, 21231, 21236, 21240, 21244, 21248, 9639, 21253, 21261, 
-    21268, 21277, 21284, 21291, 10878, 21298, 21304, 21308, 21314, 21321, 
-    21327, 21335, 21341, 21348, 21354, 21360, 21369, 21373, 21381, 21390, 
-    21397, 21402, 21406, 21417, 21422, 21427, 21432, 21445, 7995, 21449, 
-    21455, 21463, 21467, 21474, 21483, 21488, 14691, 21496, 21500, 21512, 
-    21517, 21521, 21524, 21530, 21536, 21541, 21545, 21548, 21559, 21564, 
-    9383, 21571, 21576, 9388, 21581, 21586, 21591, 21596, 21601, 21606, 
-    21611, 21616, 21621, 21626, 21631, 21636, 21642, 21647, 21652, 21657, 
-    21662, 21667, 21672, 21677, 21682, 21687, 21693, 21699, 21704, 21709, 
-    21714, 21719, 21724, 21729, 21734, 21739, 21744, 21750, 21755, 21760, 
-    21765, 21771, 21777, 21782, 21787, 21792, 21797, 21802, 21807, 21812, 
-    21817, 21823, 21828, 21833, 21838, 21843, 21849, 21854, 21859, 21863, 
-    1368, 129, 21871, 21875, 21879, 21883, 21888, 21892, 13117, 12476, 21896, 
-    21901, 21905, 21910, 21914, 21919, 21923, 21929, 21934, 21938, 21942, 
-    21950, 21954, 21958, 21963, 21968, 21972, 21978, 21983, 21987, 21992, 
-    21997, 22001, 22008, 22015, 22022, 22026, 22030, 22035, 22039, 22042, 
-    22048, 22061, 22066, 22075, 22080, 9428, 22085, 22088, 2712, 2717, 22092, 
-    22098, 22104, 7209, 22109, 22114, 22119, 22125, 22130, 13909, 22135, 
-    22140, 22145, 22150, 22156, 22161, 22166, 22172, 22177, 22181, 22186, 
-    22191, 22196, 22201, 22205, 22210, 22214, 22219, 22224, 22229, 22234, 
-    22238, 22243, 22247, 22252, 22257, 22262, 22267, 2886, 22182, 22271, 
-    22279, 22286, 9733, 22298, 22306, 22187, 22313, 22318, 22326, 22192, 
-    22331, 22336, 22344, 22349, 22197, 22354, 22359, 22363, 22369, 22377, 
-    22380, 22387, 22391, 22395, 22401, 22408, 22413, 8958, 1727, 1732, 22417, 
-    22423, 22429, 22434, 22438, 22442, 22446, 22450, 22454, 22458, 22462, 
-    22466, 22469, 22475, 22482, 22490, 22496, 22502, 22507, 22512, 22516, 
-    13829, 13836, 22521, 22533, 22536, 22543, 16362, 22550, 22558, 22569, 
-    22578, 22591, 22601, 22615, 22627, 22641, 22653, 22663, 22675, 22681, 
-    22696, 22720, 22738, 22757, 22770, 22784, 22802, 22818, 22835, 22853, 
-    22864, 22883, 22900, 22920, 22938, 22950, 22964, 22978, 22990, 23007, 
-    23026, 23044, 23056, 23074, 23093, 14559, 23106, 23126, 23138, 10523, 
-    23150, 23155, 23160, 23165, 23171, 23176, 23180, 23187, 2398, 23191, 
-    23197, 23201, 23204, 23208, 23216, 23222, 22215, 23226, 23235, 23246, 
-    23252, 23258, 23267, 23275, 23282, 23287, 23291, 23298, 23304, 23313, 
-    23321, 23328, 23338, 23347, 23357, 23362, 23371, 23380, 23391, 23402, 
-    3963, 23412, 23416, 23426, 23434, 23444, 23455, 23460, 23470, 23478, 
-    23485, 23491, 23498, 23503, 22225, 23507, 23516, 23520, 23523, 23528, 
-    23535, 23544, 23552, 23560, 23570, 23579, 23585, 23591, 22230, 22235, 
-    23595, 23605, 23615, 23625, 23633, 23640, 23650, 23658, 23666, 23672, 
-    23680, 930, 23689, 14750, 542, 23703, 23712, 23720, 23731, 23742, 23752, 
-    23761, 23773, 23782, 23791, 23797, 23806, 23815, 23825, 23833, 23841, 
-    9360, 23847, 23850, 23854, 23859, 23864, 9848, 22248, 22253, 23872, 
-    23878, 23884, 23889, 23894, 23898, 23906, 23912, 23918, 23922, 3525, 
-    23930, 23935, 23940, 23944, 23948, 9928, 23955, 23963, 23977, 23984, 
-    23990, 9937, 9943, 23998, 24006, 24013, 24018, 24023, 22258, 24029, 
-    24040, 24044, 24049, 2601, 24054, 24065, 24071, 24076, 24080, 24084, 
-    24087, 24094, 24101, 24108, 24114, 24118, 22263, 24123, 24127, 24131, 
-    1037, 24136, 24141, 24146, 24151, 24156, 24161, 24166, 24171, 24176, 
-    24181, 24186, 24191, 24196, 24201, 24207, 24212, 24217, 24222, 24227, 
-    24232, 24237, 24243, 24248, 24253, 24258, 24263, 24268, 24273, 24278, 
-    24284, 24290, 24295, 24301, 24306, 24311, 5, 24317, 24321, 24325, 24329, 
-    24334, 24338, 24342, 24346, 24350, 24355, 24359, 24364, 24368, 24371, 
-    24375, 24380, 24384, 24389, 24393, 24397, 24401, 24406, 24410, 24414, 
-    24424, 24429, 24433, 24437, 24442, 24447, 24456, 24461, 24466, 24470, 
-    24474, 24487, 24499, 24508, 24517, 24523, 24528, 24532, 24536, 24546, 
-    24555, 24563, 24569, 24574, 24578, 24585, 24595, 24604, 24612, 24620, 
-    24627, 24635, 24644, 24653, 24661, 24666, 24670, 24674, 24677, 24679, 
-    24683, 24687, 24692, 24697, 24701, 24705, 24708, 24712, 24715, 24719, 
-    24722, 24725, 24729, 24735, 24739, 24743, 24747, 24752, 24757, 24762, 
-    24766, 24769, 24774, 24780, 24785, 24791, 24796, 24800, 24804, 24808, 
-    24813, 24817, 24822, 24826, 24830, 24837, 24841, 24844, 24848, 24854, 
-    24860, 24864, 24868, 24873, 24880, 24886, 24890, 24899, 24903, 24907, 
-    24910, 24916, 24921, 24927, 1489, 1791, 24932, 24937, 24942, 24947, 
-    24952, 24957, 24962, 2148, 2194, 24967, 24970, 24974, 24978, 24983, 
-    24987, 24991, 24994, 24999, 25004, 25008, 25011, 25016, 25020, 25025, 
-    25029, 14762, 25034, 25037, 25040, 25044, 25049, 25053, 25066, 25070, 
-    25073, 25081, 25090, 25097, 25102, 25108, 25114, 25122, 25129, 25136, 
-    25140, 25144, 25148, 25153, 25158, 25162, 25170, 25175, 25187, 25198, 
-    25203, 25207, 25211, 25217, 25222, 25227, 25231, 25235, 25238, 25244, 
-    7915, 2316, 25248, 25253, 25269, 9475, 25289, 25298, 25314, 25318, 25321, 
-    25327, 25337, 25343, 25352, 25367, 25379, 25390, 25398, 25407, 25413, 
-    25422, 25432, 25443, 25454, 25463, 25470, 25479, 25487, 25494, 25502, 
-    25509, 25516, 25529, 25536, 25542, 25547, 25556, 25562, 25567, 25575, 
-    25582, 23436, 25594, 25606, 25620, 25628, 25635, 25647, 25656, 25665, 
-    25673, 25681, 25689, 25696, 25705, 25713, 25723, 25732, 25742, 25751, 
-    25760, 25768, 25773, 25777, 25780, 25784, 25788, 25792, 25796, 25800, 
-    25806, 25812, 25820, 14807, 25827, 25832, 25839, 25845, 25852, 14815, 
-    25859, 25862, 25874, 25882, 25888, 25893, 25897, 9878, 25908, 25918, 
-    25927, 25934, 25938, 14820, 25941, 25948, 25952, 25958, 25961, 25968, 
-    25974, 25981, 25987, 25991, 25996, 26000, 26009, 26016, 26022, 7956, 
-    26029, 26037, 26044, 26050, 26055, 26061, 26067, 26075, 26079, 26082, 
-    26084, 25785, 26093, 26099, 26109, 26114, 26121, 26127, 26132, 26137, 
-    26142, 26146, 26151, 26158, 26167, 26171, 26178, 26187, 26193, 26198, 
-    26204, 26209, 26216, 26227, 26232, 26236, 26246, 26252, 26256, 26261, 
-    26271, 26280, 26284, 26291, 26299, 26306, 26312, 26317, 26325, 26332, 
-    26344, 26353, 26357, 13053, 26365, 26375, 26379, 25077, 26390, 26395, 
-    26399, 26406, 26413, 21974, 25710, 26418, 26422, 26425, 22870, 26430, 
-    26444, 26460, 26478, 26497, 26514, 26532, 22889, 26549, 26569, 22906, 
-    26581, 26593, 15745, 26605, 22926, 26619, 26631, 10536, 26645, 26650, 
-    26655, 26660, 26666, 26672, 26678, 26682, 26689, 26694, 26704, 26710, 
-    10183, 26716, 26718, 26723, 26731, 26735, 26154, 26741, 26748, 11524, 
-    11534, 26755, 26765, 26770, 26774, 26777, 26783, 26791, 26803, 26813, 
-    26829, 26842, 26856, 15763, 26870, 26877, 26881, 26884, 26889, 26893, 
-    26900, 26907, 26917, 26922, 26927, 26932, 26940, 26948, 26957, 26962, 
-    9572, 26966, 26969, 26972, 26977, 26984, 26989, 27005, 27013, 27021, 
-    9423, 27029, 27034, 27038, 27044, 27050, 27053, 27059, 27071, 27079, 
-    27086, 27092, 27099, 27110, 27124, 27137, 27146, 27155, 27167, 27178, 
-    27188, 27197, 27206, 27214, 27225, 7938, 27232, 27238, 27243, 27249, 
-    27256, 27266, 27276, 27285, 27291, 27298, 27303, 27310, 27318, 27326, 
-    27338, 6246, 27345, 27354, 27362, 27368, 27374, 27379, 27383, 27386, 
-    27392, 27399, 27404, 27409, 27413, 27425, 27436, 27445, 27453, 14947, 
-    27458, 27464, 27470, 11517, 8635, 27475, 27479, 27483, 27486, 27489, 
-    27495, 27503, 27511, 27515, 27519, 27524, 27527, 27536, 27540, 27548, 
-    27559, 27563, 27569, 27575, 27579, 27585, 27593, 27615, 27639, 27646, 
-    27653, 27659, 27667, 27673, 27678, 27689, 27707, 27714, 27722, 27726, 
-    27735, 27748, 27756, 27768, 27779, 27789, 27803, 27812, 27820, 27832, 
-    9492, 27843, 27854, 27866, 27876, 27885, 27890, 27894, 27902, 27912, 
-    27917, 27921, 27924, 27927, 27935, 27943, 27952, 27962, 27971, 27977, 
-    27991, 2663, 28013, 28024, 28033, 28043, 28055, 28064, 28073, 28083, 
-    28091, 28099, 28108, 28113, 28124, 28129, 28140, 28144, 28154, 28163, 
-    28171, 28181, 28191, 28199, 28208, 28215, 28223, 28230, 28239, 28243, 
-    28251, 28258, 28266, 28273, 28284, 28299, 28306, 28312, 28322, 28331, 
-    28337, 28341, 28348, 28352, 14031, 28358, 28362, 28367, 28374, 28378, 
-    28382, 28390, 28398, 28404, 28413, 28420, 28425, 28430, 28440, 23505, 
-    28444, 28447, 28452, 28457, 28462, 28467, 28472, 28477, 28482, 28487, 
-    28493, 28498, 28503, 28509, 1218, 704, 28514, 28523, 2364, 28530, 28535, 
-    28539, 28545, 1267, 546, 318, 28550, 28559, 28567, 28576, 28584, 28595, 
-    28604, 28612, 28616, 28619, 28627, 28635, 28640, 14775, 28646, 28652, 
-    28658, 5872, 28663, 28667, 28673, 28677, 28684, 1455, 28690, 28697, 9579, 
-    28701, 28711, 28719, 28725, 28734, 28742, 28748, 28756, 28763, 11110, 
-    28769, 28776, 28781, 28788, 1496, 2147, 28794, 28800, 28807, 28818, 
-    28829, 28837, 28844, 28854, 28863, 28871, 28880, 28887, 28894, 28907, 
-    28918, 1272, 28937, 28942, 28950, 3575, 28954, 28959, 28963, 1459, 24706, 
-    28973, 28977, 28982, 28986, 3493, 28992, 29000, 29007, 29018, 29026, 
-    29034, 3576, 279, 29039, 29047, 29055, 29062, 29068, 29073, 2216, 29080, 
-    29086, 25992, 26222, 29092, 106, 29096, 29100, 29106, 615, 9328, 29111, 
-    29118, 29124, 2327, 29128, 29132, 15187, 29135, 29140, 29147, 29153, 
-    29158, 29166, 29173, 29179, 22351, 29183, 29187, 3646, 16625, 29191, 
-    29196, 29199, 29207, 29215, 29220, 29223, 29230, 29240, 29252, 29257, 
-    29261, 29269, 29276, 29282, 29289, 29296, 29299, 29303, 29307, 1463, 
-    29317, 29319, 29324, 29330, 29336, 29341, 29346, 29351, 29356, 29361, 
-    29366, 29371, 29376, 29381, 29386, 29391, 29396, 29401, 29406, 29412, 
-    29418, 29424, 29430, 29435, 29440, 29445, 29451, 29456, 29461, 29466, 
-    29472, 29477, 29483, 29488, 29493, 29498, 29503, 29509, 29514, 29520, 
-    29525, 29530, 29535, 29540, 29546, 29551, 29557, 29562, 29567, 29572, 
-    29577, 29582, 29587, 29592, 29597, 29602, 29608, 29614, 29620, 29625, 
-    29630, 29635, 29640, 29646, 29652, 29658, 29664, 29670, 29676, 29681, 
-    29687, 29692, 29697, 29702, 29707, 29713, 2443, 29718, 2450, 2457, 2754, 
-    29723, 2463, 2473, 29729, 29733, 29738, 29743, 29749, 29754, 29759, 
-    29763, 29768, 29774, 29779, 29784, 29789, 29795, 29800, 29804, 29808, 
-    29813, 29818, 29823, 29828, 29833, 29839, 29845, 29850, 29854, 29859, 
-    29865, 29869, 29874, 29879, 29884, 29889, 29893, 29896, 29901, 29906, 
-    29911, 29916, 29921, 29927, 29933, 29938, 29943, 29947, 29952, 29957, 
-    29962, 29967, 29972, 29976, 29981, 29986, 29991, 29995, 29999, 30003, 
-    30008, 30016, 30021, 30027, 30033, 30039, 30044, 30048, 30051, 30056, 
-    30061, 30065, 30070, 30074, 30079, 30083, 30086, 30091, 17302, 30096, 
-    30101, 30106, 30114, 21280, 28694, 9026, 30119, 30124, 30128, 30133, 
-    30137, 30141, 30146, 30150, 30153, 30156, 30160, 30165, 30169, 30177, 
-    30181, 30184, 30189, 30193, 30197, 30202, 30207, 30211, 30217, 30222, 
-    30227, 30234, 30241, 30245, 30248, 30254, 30263, 30270, 30278, 30285, 
-    30289, 30294, 30298, 30302, 30308, 30314, 30318, 30324, 30329, 30334, 
-    30338, 30345, 30351, 30357, 30363, 30369, 30376, 30382, 30388, 30394, 
-    30400, 30406, 30412, 30418, 30425, 30431, 30438, 30444, 30450, 30456, 
-    30462, 30468, 30474, 30480, 30486, 30492, 11418, 30498, 30503, 30508, 
-    30511, 30519, 30524, 30533, 30539, 30544, 30549, 30554, 30558, 30563, 
-    30568, 30573, 30578, 30583, 30590, 30597, 30603, 30609, 30614, 16303, 
-    30621, 30627, 30634, 30640, 30646, 30651, 30659, 30664, 16082, 30668, 
-    30673, 30678, 30684, 30689, 30694, 30698, 30703, 30708, 30714, 30719, 
-    30724, 30728, 30733, 30738, 30742, 30747, 30752, 30757, 30761, 30766, 
-    30771, 30776, 30780, 30784, 15293, 30788, 30797, 30803, 30809, 30818, 
-    30826, 30835, 30843, 30848, 30852, 30859, 30865, 30869, 30872, 30877, 
-    30886, 30894, 30899, 1495, 30905, 30908, 30912, 22424, 22430, 30918, 
-    30922, 30933, 30944, 30955, 30967, 30974, 30981, 30986, 30990, 5909, 755, 
-    21279, 30998, 31003, 31007, 31012, 31016, 31022, 31027, 31033, 31038, 
-    31044, 31049, 31055, 31060, 31066, 31072, 31078, 31083, 31039, 31045, 
-    31087, 31092, 31098, 31103, 31109, 31114, 31120, 31125, 31050, 10421, 
-    31129, 31061, 31067, 31073, 2831, 3423, 31135, 31138, 31144, 31150, 
-    31156, 31163, 31169, 31175, 31181, 31187, 31193, 31199, 31205, 31211, 
-    31217, 31223, 31229, 31235, 31242, 31248, 31254, 31260, 31266, 31272, 
-    31275, 31280, 31283, 31290, 31298, 31303, 31308, 31314, 31319, 31324, 
-    31328, 31333, 31339, 31344, 31350, 31355, 31361, 31366, 31372, 31378, 
-    31382, 31387, 31392, 31397, 31402, 31406, 31411, 31416, 31421, 31427, 
-    31433, 31439, 31445, 31450, 31454, 31457, 31463, 31469, 31478, 31486, 
-    31493, 31498, 31502, 31506, 31511, 15146, 31516, 31524, 31530, 3683, 
-    1377, 31535, 31539, 8005, 31545, 31551, 31558, 8014, 31562, 31568, 31575, 
-    31581, 31590, 31598, 31610, 31614, 31621, 31627, 31631, 31634, 31643, 
-    31651, 31040, 31656, 31666, 31676, 31686, 31692, 31697, 31707, 31712, 
-    31725, 31739, 31750, 31762, 31774, 31788, 31801, 31813, 31825, 14600, 
-    31839, 31844, 31849, 31853, 31857, 31861, 1780, 27176, 31865, 31870, 
-    31088, 31875, 31878, 31883, 31888, 31893, 31899, 31905, 10098, 31910, 
-    31917, 15697, 31923, 31928, 31933, 31937, 31942, 31947, 31093, 31952, 
-    31957, 31962, 31968, 31099, 31973, 31976, 31983, 31991, 31997, 32003, 
-    32009, 32020, 32025, 32032, 32039, 32046, 32054, 32063, 32072, 32078, 
-    32084, 32092, 31104, 32097, 32103, 32109, 31110, 32114, 32119, 32127, 
-    32135, 32141, 32148, 32154, 32161, 32168, 32174, 32182, 32192, 32199, 
-    32204, 32210, 32215, 32220, 32227, 32236, 32244, 32249, 32255, 32262, 
-    32270, 32276, 32281, 32287, 32296, 27957, 32303, 32307, 32312, 32321, 
-    32326, 32331, 32336, 12405, 32344, 32349, 32354, 32359, 32363, 32368, 
-    32373, 32380, 32385, 32390, 32395, 31115, 21216, 32401, 2519, 244, 32404, 
-    32407, 32411, 32415, 32425, 32433, 32437, 32444, 32451, 32455, 32458, 
-    32464, 32472, 32480, 32484, 32488, 32491, 32498, 32502, 32506, 32513, 
-    32521, 31051, 32528, 32536, 10158, 664, 308, 32548, 32553, 32558, 32564, 
-    32569, 32574, 3704, 32579, 32582, 32587, 32592, 32597, 32602, 32607, 
-    32614, 22529, 32619, 32624, 32629, 32634, 32639, 32645, 32650, 32656, 
-    31286, 32662, 32667, 32673, 32679, 32689, 32694, 32699, 32703, 32708, 
-    32713, 32718, 32723, 32736, 32741, 22302, 16705, 3710, 32745, 32750, 
-    32755, 32761, 32766, 32771, 32775, 32780, 32785, 32791, 32796, 32801, 
-    1382, 32805, 32810, 32815, 32820, 32824, 32829, 32834, 32839, 32845, 
-    32851, 32856, 32860, 32864, 32869, 32874, 32879, 32883, 32891, 32895, 
-    32901, 32905, 32912, 16498, 31062, 32918, 32925, 32933, 32940, 32946, 
-    32959, 32971, 32977, 32981, 2773, 32985, 32989, 32493, 32998, 33009, 
-    33014, 33019, 33024, 33028, 33033, 22435, 33037, 33041, 33046, 31068, 
-    21300, 33050, 33055, 33061, 33066, 33070, 33074, 33077, 33081, 33087, 
-    33098, 33110, 31074, 33115, 33118, 33122, 347, 33127, 33132, 33137, 
-    33142, 33147, 33152, 33158, 33163, 33168, 33174, 33179, 33185, 33190, 
-    33196, 33201, 33206, 33211, 33216, 33221, 33226, 33231, 33236, 33242, 
-    33247, 33252, 33257, 33262, 33267, 33272, 33277, 33283, 33289, 33294, 
-    33299, 33304, 33309, 33314, 33319, 33324, 33329, 33334, 33339, 33344, 
-    33349, 33354, 33359, 33364, 33369, 33374, 33379, 33385, 313, 26, 33390, 
-    33394, 33398, 33406, 33410, 33414, 33417, 33420, 33422, 33427, 33431, 
-    33436, 33440, 33445, 33449, 33454, 33458, 33461, 33463, 33467, 33472, 
-    33476, 33487, 33490, 33492, 33496, 33508, 33517, 33521, 33525, 33531, 
-    33536, 33545, 33551, 33556, 33561, 33565, 33570, 33577, 33582, 33588, 
-    33593, 33597, 33604, 25718, 25728, 33608, 33613, 33618, 33623, 33630, 
-    33634, 33641, 8113, 33647, 33656, 33664, 33679, 33693, 33701, 33712, 
-    33721, 33726, 7227, 33736, 33741, 33746, 33750, 33753, 33757, 33762, 
-    33766, 33773, 33778, 33783, 8912, 33793, 33795, 33798, 33802, 33808, 
-    33812, 33817, 33822, 33828, 33833, 33839, 33844, 33854, 33863, 33871, 
-    33876, 33882, 33887, 33894, 33898, 33906, 33913, 33926, 33934, 33938, 
-    33948, 33953, 33957, 33965, 33973, 33977, 33986, 33992, 33997, 34005, 
-    34015, 34024, 34033, 34042, 34053, 34061, 34072, 34081, 34088, 34094, 
-    34099, 34110, 34115, 34119, 34122, 34126, 34134, 34140, 34148, 34155, 
-    34161, 34166, 34172, 2418, 34176, 34178, 34183, 34188, 34193, 34196, 
-    34198, 34202, 34205, 34212, 34216, 9891, 34220, 34226, 34236, 34241, 
-    34247, 34251, 34256, 34269, 26104, 34275, 34284, 17475, 34291, 34300, 
-    31672, 34308, 34313, 34317, 34325, 34332, 34337, 34341, 34346, 34350, 
-    34358, 34364, 34370, 34375, 34379, 34382, 34387, 34400, 34416, 22996, 
-    34433, 34445, 34462, 34474, 34488, 23013, 23032, 34500, 34512, 2680, 
-    34526, 34531, 34536, 34541, 34545, 34552, 34564, 34570, 34573, 34584, 
-    34595, 34600, 32089, 695, 34604, 34608, 34612, 34615, 34620, 34625, 
-    34631, 34636, 34641, 34647, 34653, 34658, 34662, 34667, 34672, 34677, 
-    34681, 34684, 34690, 34695, 34700, 34705, 34709, 34714, 34720, 34728, 
-    26337, 34733, 34738, 34745, 34751, 34757, 34762, 34770, 22538, 34777, 
-    34782, 34787, 34792, 34796, 34799, 34804, 34808, 34812, 34819, 34825, 
-    34831, 34837, 34844, 34849, 34855, 33968, 34859, 34863, 34868, 34881, 
-    34886, 34892, 34900, 34907, 34915, 34925, 34931, 34937, 34943, 34947, 
-    34956, 34964, 34971, 34976, 34981, 10444, 34986, 34994, 35001, 35007, 
-    35017, 35022, 35028, 35036, 3608, 35043, 35050, 3614, 35054, 35059, 
-    35070, 35077, 35083, 35092, 35096, 4015, 35099, 35106, 35112, 35118, 
-    35126, 35136, 29063, 35143, 35151, 35156, 35162, 35167, 25964, 35173, 
-    35180, 35186, 35195, 23677, 35202, 35207, 35211, 35219, 35227, 9607, 
-    5895, 35234, 35238, 35240, 35244, 35249, 35251, 35257, 35262, 35267, 
-    35274, 32610, 35280, 35285, 35289, 35294, 35298, 35307, 35311, 35317, 
-    35324, 35330, 35337, 35342, 35351, 35356, 35360, 35365, 35372, 35380, 
-    35388, 35393, 21356, 35397, 35400, 35404, 35408, 35412, 35415, 35417, 
-    35425, 35429, 35436, 35440, 35444, 35452, 35459, 35469, 35473, 35477, 
-    35485, 35493, 35499, 35504, 35513, 13357, 35519, 35528, 35533, 35540, 
-    35548, 35556, 35564, 35571, 35578, 35585, 35592, 35599, 35604, 35610, 
-    35627, 35635, 35645, 35653, 35660, 407, 35664, 35670, 35674, 35679, 
-    33717, 35685, 35688, 35692, 35700, 3619, 35708, 35714, 35720, 35729, 
-    35739, 35746, 35752, 3625, 3631, 35761, 35768, 35776, 35781, 35785, 
-    35792, 35800, 35807, 35813, 35822, 35832, 35838, 35846, 35855, 35862, 
-    35870, 35877, 22032, 35881, 35888, 35894, 35904, 35913, 35924, 35928, 
-    35938, 35944, 35951, 35959, 35968, 35977, 35987, 35998, 36005, 36010, 
-    36017, 3029, 36025, 36031, 36036, 36042, 36048, 36053, 36066, 36079, 
-    36092, 36099, 36105, 36113, 36121, 36126, 36130, 1469, 36134, 36139, 
-    36144, 36149, 36154, 36160, 36165, 36170, 36175, 36180, 36185, 36190, 
-    36195, 36201, 36207, 36212, 36217, 36223, 36228, 36233, 36238, 36244, 
-    36249, 36254, 36259, 36264, 36270, 36275, 36280, 36286, 36291, 36296, 
-    36301, 36306, 36311, 36317, 36322, 36328, 36333, 36339, 36344, 36349, 
-    36354, 36360, 36366, 36372, 36378, 36384, 36390, 36396, 36402, 36407, 
-    36412, 36418, 36423, 36428, 36433, 36438, 36443, 36448, 36453, 36459, 
-    36464, 36469, 36475, 36481, 101, 36486, 36488, 36492, 36496, 36500, 
-    36505, 36509, 9528, 36513, 36519, 1741, 6280, 36525, 36528, 36533, 36537, 
-    36542, 36546, 36550, 36555, 10245, 36559, 36563, 36567, 36571, 15385, 
-    36576, 36580, 36585, 36590, 36595, 36599, 36606, 26128, 36612, 36615, 
-    36619, 36624, 36630, 36634, 36642, 36648, 36653, 36657, 36663, 36667, 
-    36671, 3462, 3467, 29255, 36674, 36678, 36682, 36686, 36690, 36698, 
-    36705, 36709, 36716, 36721, 317, 36726, 36730, 36736, 36748, 36754, 
-    36760, 36764, 36770, 36779, 36783, 36787, 36792, 36798, 36803, 36807, 
-    36812, 36816, 36820, 36827, 36833, 36838, 36853, 36868, 36883, 36899, 
-    36917, 10195, 36931, 36938, 36942, 36945, 36954, 36959, 36963, 36971, 
-    33919, 36979, 36983, 36993, 37004, 29225, 37017, 37021, 37030, 37038, 
-    9785, 14913, 37042, 22447, 37045, 30173, 37050, 9784, 37055, 37061, 
-    37066, 37072, 37077, 37083, 37088, 37094, 37099, 37105, 37111, 37117, 
-    37122, 37078, 37084, 37089, 37095, 37100, 37106, 37112, 8126, 3874, 
-    37126, 37134, 37138, 37141, 37145, 37150, 37155, 37161, 37167, 37172, 
-    37176, 25976, 37180, 37184, 37190, 37194, 9049, 37203, 37210, 37214, 
-    11875, 37221, 37227, 37232, 37239, 37246, 37253, 28571, 8049, 37260, 
-    37267, 37274, 37280, 37285, 37292, 37303, 37309, 37314, 37319, 37324, 
-    37331, 37079, 37335, 37345, 37356, 37362, 37367, 37372, 37377, 37382, 
-    37387, 37391, 37395, 37401, 37409, 2319, 865, 10261, 10273, 10278, 10284, 
-    37418, 10289, 10294, 10300, 37423, 37433, 37437, 10305, 37442, 16903, 
-    37445, 37450, 37454, 37459, 37464, 37471, 37478, 37482, 37485, 37493, 
-    10208, 37500, 37503, 37509, 37519, 5929, 37528, 37532, 37540, 37544, 
-    37554, 37560, 37571, 37577, 37583, 37588, 37594, 37600, 37606, 37611, 
-    37614, 37621, 37627, 37632, 37639, 37646, 37650, 37660, 37673, 37682, 
-    37691, 37702, 37715, 37726, 37735, 37746, 37751, 37760, 37765, 10310, 
-    37771, 37778, 37786, 37791, 37795, 37802, 37809, 3829, 16, 37813, 37818, 
-    16757, 37822, 37825, 37828, 28077, 37832, 28580, 37840, 37844, 37848, 
-    37851, 37857, 37101, 37863, 37871, 37877, 37884, 28060, 37888, 28254, 
-    37892, 37901, 37907, 37913, 37918, 37922, 37928, 37932, 37940, 37948, 
-    26194, 37954, 37961, 37967, 37972, 37977, 37981, 37987, 37992, 37998, 
-    4056, 791, 38005, 38009, 38012, 15275, 38024, 35851, 38035, 38038, 38045, 
-    38049, 38055, 38059, 38065, 38070, 38076, 38081, 38086, 38090, 38094, 
-    38099, 38104, 38114, 38120, 38133, 38139, 38145, 38152, 38157, 38163, 
-    38168, 16643, 1472, 1019, 31218, 31224, 38173, 31230, 31243, 31249, 
-    31255, 38179, 31261, 31267, 38185, 38191, 22, 38199, 38206, 38210, 38214, 
-    38222, 31978, 38226, 38230, 38237, 38242, 38246, 38251, 38257, 38262, 
-    38268, 38273, 38277, 38281, 38285, 38290, 38294, 38299, 38303, 38310, 
-    38315, 38319, 38324, 38328, 38333, 38337, 38342, 38348, 15495, 15500, 
-    38353, 38357, 38360, 38364, 21183, 38369, 38373, 38379, 38386, 38391, 
-    38401, 38406, 38414, 38418, 38421, 31993, 38425, 4109, 38430, 38435, 
-    38439, 38444, 38448, 38453, 13375, 38464, 38468, 38471, 38476, 38480, 
-    38484, 38487, 38491, 8145, 13391, 38494, 38497, 38503, 38508, 38514, 
-    38519, 38525, 38530, 38536, 38541, 38547, 38553, 38559, 38564, 38568, 
-    38572, 38581, 38597, 38613, 38623, 27967, 38630, 38634, 38639, 38644, 
-    38648, 38652, 35972, 38658, 38663, 38667, 38674, 38679, 38683, 38687, 
-    26996, 38693, 21451, 38698, 38705, 38713, 38719, 38726, 38734, 38740, 
-    38744, 38750, 38758, 38762, 38771, 9509, 38779, 38783, 38791, 38798, 
-    38803, 38808, 38812, 38815, 38819, 38822, 38826, 38833, 38838, 38844, 
-    26415, 31281, 38848, 38855, 38861, 38867, 38872, 38875, 38877, 38884, 
-    38891, 38897, 38901, 38904, 38908, 38912, 38916, 38921, 38925, 38929, 
-    38932, 38936, 38950, 23062, 38969, 38982, 38995, 39008, 23080, 39023, 
-    10497, 39038, 39044, 39048, 39052, 39059, 39064, 39068, 39075, 39081, 
-    39086, 39092, 39102, 39114, 39125, 39130, 39137, 39141, 39145, 39148, 
-    15891, 3677, 39156, 15522, 39169, 39176, 39180, 39184, 39189, 39194, 
-    39200, 39204, 39208, 39211, 7742, 15533, 39216, 39220, 39226, 39235, 
-    39240, 39247, 35828, 39253, 39258, 39262, 39267, 39274, 39278, 39281, 
-    39285, 39290, 14565, 39297, 39304, 1077, 39308, 39313, 39318, 39324, 
-    39329, 39334, 39338, 39348, 39353, 39359, 39364, 39370, 39375, 39381, 
-    39391, 39396, 39401, 39405, 7229, 7241, 39410, 39413, 39420, 39426, 
-    34084, 34091, 39435, 39439, 32041, 39447, 39458, 39466, 36020, 39473, 
-    39478, 39483, 39494, 39501, 39512, 32065, 21457, 39520, 735, 39525, 
-    39531, 28051, 39537, 39542, 39552, 39561, 39568, 39574, 39578, 39581, 
-    39588, 39594, 39601, 39607, 39617, 39625, 39631, 39637, 39642, 39646, 
-    39653, 39659, 39666, 38917, 535, 13818, 39672, 39677, 39680, 39686, 
-    39694, 1396, 39699, 39703, 39708, 39715, 39721, 39725, 39729, 39734, 
-    39743, 39750, 39760, 39766, 28095, 39783, 39792, 39800, 39806, 39811, 
-    39818, 39824, 39832, 39841, 39849, 39853, 39858, 39866, 32074, 39872, 
-    39891, 15824, 39905, 39921, 39935, 39941, 39946, 39951, 39956, 39962, 
-    32080, 39967, 39974, 39979, 39983, 345, 2936, 39990, 39995, 40000, 27322, 
-    39821, 40004, 40009, 40017, 40021, 40024, 40030, 40036, 40040, 28150, 
-    40043, 40048, 40052, 40055, 40060, 40064, 40069, 40074, 40078, 40083, 
-    40087, 40091, 21179, 21190, 40095, 40100, 40106, 26953, 40111, 40115, 
-    21266, 16072, 40118, 40123, 40128, 40133, 40138, 40143, 40148, 40153, 
-    450, 49, 31299, 31304, 31309, 31315, 31320, 31325, 40158, 31329, 40162, 
-    40166, 40170, 31334, 31340, 40184, 31351, 31356, 40192, 40197, 31362, 
-    40202, 40207, 40212, 40217, 40223, 40229, 40235, 31379, 40248, 40254, 
-    31383, 40258, 31388, 40263, 31393, 31398, 40266, 40271, 40275, 30948, 
-    40281, 13599, 40288, 40293, 31403, 40297, 40302, 40307, 40312, 40316, 
-    40321, 40326, 40332, 40337, 40342, 40348, 40354, 40359, 40363, 40368, 
-    40373, 40378, 40382, 40387, 40392, 40397, 40403, 40409, 40415, 40420, 
-    40424, 40429, 40433, 31407, 31412, 31417, 40437, 40441, 40445, 31422, 
-    31428, 31434, 31446, 40457, 26013, 40461, 40465, 40470, 40475, 40480, 
-    40485, 40489, 40493, 40503, 40508, 40513, 40517, 40521, 40524, 40532, 
-    31494, 40537, 1479, 40543, 40551, 40560, 40564, 40568, 40576, 40582, 
-    40590, 40606, 40610, 40614, 40619, 40634, 31531, 1749, 12055, 40638, 
-    1378, 40650, 40651, 40659, 40666, 40671, 40678, 40683, 9379, 1119, 10332, 
-    40690, 40695, 40698, 40701, 40710, 1286, 40715, 39065, 40722, 40727, 
-    40731, 22503, 2557, 40739, 10741, 40749, 40755, 2337, 2347, 40764, 40773, 
-    40783, 40794, 3293, 34237, 10384, 3807, 16681, 1291, 40799, 40807, 40814, 
-    40819, 40823, 40827, 23875, 10411, 40835, 40844, 40853, 40861, 40868, 
-    40879, 40884, 40897, 40910, 40922, 40934, 40946, 40959, 40970, 40981, 
-    40991, 40999, 41007, 41019, 41031, 41042, 41051, 41059, 41066, 41078, 
-    41085, 41094, 41101, 41114, 41119, 41129, 41134, 41140, 41145, 37211, 
-    41149, 41156, 41160, 41167, 41175, 2518, 41182, 41193, 41203, 41212, 
-    41220, 41230, 41238, 41248, 41257, 41262, 41268, 41274, 3709, 41285, 
-    41295, 41304, 41313, 41323, 41331, 41340, 41345, 41350, 41355, 1705, 37, 
-    41363, 41371, 41382, 41393, 16356, 41403, 41407, 41414, 41420, 41425, 
-    41429, 41440, 41450, 41459, 41470, 16730, 16735, 41475, 41484, 41489, 
-    41499, 41504, 41512, 41520, 41527, 41533, 7078, 228, 41537, 41543, 41548, 
-    41551, 2117, 39181, 41559, 41563, 41566, 1512, 41572, 13980, 1296, 41577, 
-    41590, 41604, 2643, 41622, 41634, 41646, 2657, 2674, 41660, 41673, 2689, 
-    41687, 41699, 2704, 41713, 1302, 1308, 1314, 10659, 41718, 41723, 41728, 
-    41732, 41747, 41762, 41777, 41792, 41807, 41822, 41837, 41852, 41867, 
-    41882, 41897, 41912, 41927, 41942, 41957, 41972, 41987, 42002, 42017, 
-    42032, 42047, 42062, 42077, 42092, 42107, 42122, 42137, 42152, 42167, 
-    42182, 42197, 42212, 42227, 42242, 42257, 42272, 42287, 42302, 42317, 
-    42332, 42347, 42362, 42377, 42392, 42407, 42422, 42437, 42452, 42467, 
-    42482, 42497, 42512, 42527, 42542, 42557, 42572, 42587, 42602, 42617, 
-    42632, 42647, 42662, 42677, 42692, 42707, 42722, 42737, 42752, 42767, 
-    42782, 42797, 42812, 42827, 42842, 42857, 42872, 42887, 42902, 42917, 
-    42932, 42947, 42962, 42977, 42992, 43007, 43022, 43037, 43052, 43067, 
-    43082, 43097, 43112, 43127, 43142, 43157, 43172, 43187, 43202, 43217, 
-    43232, 43247, 43262, 43277, 43292, 43307, 43322, 43337, 43352, 43367, 
-    43382, 43397, 43412, 43427, 43442, 43457, 43472, 43487, 43502, 43517, 
-    43532, 43547, 43562, 43577, 43592, 43607, 43622, 43637, 43652, 43667, 
-    43682, 43697, 43712, 43727, 43742, 43757, 43772, 43787, 43802, 43817, 
-    43832, 43847, 43862, 43877, 43892, 43907, 43922, 43937, 43952, 43967, 
-    43982, 43997, 44012, 44027, 44042, 44057, 44072, 44087, 44102, 44117, 
-    44132, 44147, 44162, 44177, 44192, 44207, 44222, 44237, 44252, 44267, 
-    44282, 44297, 44312, 44327, 44342, 44357, 44372, 44387, 44402, 44417, 
-    44432, 44447, 44462, 44477, 44492, 44507, 44522, 44537, 44552, 44567, 
-    44582, 44597, 44612, 44627, 44642, 44657, 44672, 44687, 44702, 44717, 
-    44732, 44747, 44762, 44777, 44792, 44807, 44822, 44837, 44852, 44867, 
-    44882, 44897, 44912, 44927, 44942, 44957, 44972, 44987, 45002, 45017, 
-    45032, 45047, 45062, 45077, 45092, 45107, 45122, 45137, 45152, 45167, 
-    45182, 45197, 45212, 45227, 45242, 45257, 45272, 45287, 45302, 45317, 
-    45332, 45347, 45362, 45377, 45392, 45407, 45422, 45437, 45452, 45467, 
-    45482, 45497, 45512, 45527, 45542, 45557, 45572, 45587, 45602, 45617, 
-    45632, 45647, 45662, 45677, 45692, 45707, 45722, 45737, 45752, 45767, 
-    45782, 45797, 45812, 45827, 45842, 45857, 45872, 45887, 45902, 45917, 
-    45932, 45947, 45962, 45977, 45992, 46007, 46022, 46037, 46052, 46067, 
-    46082, 46097, 46112, 46127, 46142, 46157, 46172, 46187, 46202, 46217, 
-    46232, 46247, 46262, 46277, 46292, 46307, 46322, 46337, 46352, 46367, 
-    46382, 46397, 46412, 46427, 46442, 46457, 46472, 46487, 46502, 46517, 
-    46532, 46547, 46562, 46577, 46592, 46607, 46622, 46637, 46652, 46667, 
-    46682, 46697, 46712, 46727, 46742, 46757, 46772, 46787, 46802, 46817, 
-    46832, 46847, 46862, 46877, 46892, 46907, 46922, 46937, 46952, 46967, 
-    46982, 46997, 47012, 47027, 47042, 47057, 47072, 47087, 47102, 47117, 
-    47132, 47147, 47162, 47177, 47192, 47207, 47222, 47237, 47252, 47267, 
-    47282, 47297, 47312, 47327, 47342, 47357, 47372, 47387, 47402, 47417, 
-    47432, 47447, 47462, 47477, 47492, 47507, 47522, 47537, 47552, 47567, 
-    47582, 47597, 47612, 47627, 47642, 47657, 47672, 47687, 47702, 47717, 
-    47732, 47747, 47762, 47777, 47792, 47807, 47822, 47837, 47852, 47867, 
-    47882, 47897, 47912, 47927, 47942, 47957, 47972, 47987, 48002, 48017, 
-    48032, 48047, 48062, 48077, 48092, 48107, 48122, 48137, 48152, 48167, 
-    48182, 48197, 48212, 48227, 48242, 48257, 48272, 48287, 48302, 48317, 
-    48332, 48347, 48362, 48377, 48392, 48407, 48422, 48437, 48452, 48467, 
-    48482, 48497, 48512, 48527, 48542, 48557, 48572, 48587, 48602, 48617, 
-    48632, 48647, 48662, 48677, 48692, 48707, 48722, 48737, 48752, 48767, 
-    48782, 48797, 48812, 48827, 48842, 48857, 48872, 48887, 48902, 48917, 
-    48932, 48947, 48962, 48977, 48992, 49007, 49022, 49037, 49052, 49067, 
-    49082, 49097, 49112, 49127, 49142, 49157, 49172, 49187, 49202, 49217, 
-    49232, 49247, 49262, 49277, 49292, 49307, 49322, 49337, 49352, 49367, 
-    49382, 49397, 49412, 49427, 49442, 49457, 49472, 49487, 49502, 49517, 
-    49532, 49548, 49564, 49580, 49596, 49612, 49628, 49644, 49660, 49676, 
-    49692, 49708, 49724, 49740, 49756, 49772, 49788, 49804, 49820, 49836, 
-    49852, 49868, 49884, 49900, 49916, 49932, 49948, 49964, 49980, 49996, 
-    50012, 50028, 50044, 50060, 50076, 50092, 50108, 50124, 50140, 50156, 
-    50172, 50188, 50204, 50220, 50236, 50252, 50268, 50284, 50300, 50316, 
-    50332, 50348, 50364, 50380, 50396, 50412, 50428, 50444, 50460, 50476, 
-    50492, 50508, 50524, 50540, 50556, 50572, 50588, 50604, 50620, 50636, 
-    50652, 50668, 50684, 50700, 50716, 50732, 50748, 50764, 50780, 50796, 
-    50812, 50828, 50844, 50860, 50876, 50892, 50908, 50924, 50940, 50956, 
-    50972, 50988, 51004, 51020, 51036, 51052, 51068, 51084, 51100, 51116, 
-    51132, 51148, 51164, 51180, 51196, 51212, 51228, 51244, 51260, 51276, 
-    51292, 51308, 51324, 51340, 51356, 51372, 51388, 51404, 51420, 51436, 
-    51452, 51468, 51484, 51500, 51516, 51532, 51548, 51564, 51580, 51596, 
-    51612, 51628, 51644, 51660, 51676, 51692, 51708, 51724, 51740, 51756, 
-    51772, 51788, 51804, 51820, 51836, 51852, 51868, 51884, 51900, 51916, 
-    51932, 51948, 51964, 51980, 51996, 52012, 52028, 52044, 52060, 52076, 
-    52092, 52108, 52124, 52140, 52156, 52172, 52188, 52204, 52220, 52236, 
-    52252, 52268, 52284, 52300, 52316, 52332, 52348, 52364, 52380, 52396, 
-    52412, 52428, 52444, 52460, 52476, 52492, 52508, 52524, 52540, 52556, 
-    52572, 52588, 52604, 52620, 52636, 52652, 52668, 52684, 52700, 52716, 
-    52732, 52748, 52764, 52780, 52796, 52812, 52828, 52844, 52860, 52876, 
-    52892, 52908, 52924, 52940, 52956, 52972, 52988, 53004, 53020, 53036, 
-    53052, 53068, 53084, 53100, 53116, 53132, 53148, 53164, 53180, 53196, 
-    53212, 53228, 53244, 53260, 53276, 53292, 53308, 53324, 53340, 53356, 
-    53372, 53388, 53404, 53420, 53436, 53452, 53468, 53484, 53500, 53516, 
-    53532, 53548, 53564, 53580, 53596, 53612, 53628, 53644, 53660, 53676, 
-    53692, 53708, 53724, 53740, 53756, 53772, 53788, 53804, 53820, 53836, 
-    53852, 53868, 53884, 53900, 53916, 53932, 53948, 53964, 53980, 53996, 
-    54012, 54028, 54044, 54060, 54076, 54092, 54108, 54124, 54140, 54156, 
-    54172, 54188, 54204, 54220, 54236, 54252, 54268, 54284, 54300, 54316, 
-    54332, 54348, 54364, 54380, 54396, 54412, 54428, 54444, 54460, 54476, 
-    54492, 54508, 54524, 54540, 54556, 54572, 54588, 54604, 54620, 54636, 
-    54652, 54668, 54684, 54700, 54716, 54732, 54748, 54764, 54780, 54796, 
-    54812, 54828, 54844, 54860, 54876, 54892, 54908, 54924, 54940, 54956, 
-    54972, 54988, 55004, 55020, 55036, 55052, 55068, 55084, 55100, 55116, 
-    55132, 55148, 55164, 55180, 55196, 55212, 55228, 55244, 55260, 55276, 
-    55292, 55308, 55324, 55340, 55356, 55372, 55388, 55404, 55420, 55436, 
-    55452, 55468, 55484, 55500, 55516, 55532, 55548, 55564, 55580, 55596, 
-    55612, 55628, 55644, 55660, 55676, 55692, 55708, 55724, 55740, 55756, 
-    55772, 55788, 55804, 55820, 55836, 55852, 55868, 55884, 55900, 55916, 
-    55932, 55948, 55964, 55980, 55996, 56012, 56028, 56044, 56060, 56076, 
-    56092, 56108, 56124, 56140, 56156, 56172, 56188, 56204, 56220, 56236, 
-    56252, 56268, 56284, 56300, 56316, 56332, 56348, 56364, 56380, 56396, 
-    56412, 56428, 56444, 56460, 56476, 56492, 56508, 56524, 56540, 56556, 
-    56572, 56588, 56604, 56620, 56636, 56652, 56668, 56684, 56700, 56716, 
-    56732, 56748, 56764, 56780, 56796, 56812, 56828, 56844, 56860, 56876, 
-    56892, 56908, 56924, 56940, 56956, 56972, 56988, 57004, 57020, 57036, 
-    57052, 57068, 57084, 57100, 57116, 57132, 57148, 57164, 57180, 57196, 
-    57212, 57228, 57244, 57260, 57276, 57292, 57308, 57324, 57340, 57356, 
-    57372, 57388, 57404, 57420, 57436, 57452, 57468, 57484, 57500, 57516, 
-    57532, 57548, 57564, 57580, 57596, 57612, 57628, 57644, 57660, 57676, 
-    57692, 57708, 57724, 57740, 57756, 57772, 57788, 57804, 57820, 57836, 
-    57852, 57868, 57884, 57900, 57916, 57932, 57948, 57964, 57980, 57996, 
-    58012, 58028, 58044, 58060, 58076, 58092, 58108, 58124, 58140, 58156, 
-    58172, 58188, 58204, 58219, 16762, 58228, 58234, 58240, 58250, 58258, 
-    14894, 15445, 9960, 58271, 1520, 58279, 3761, 27432, 7183, 58285, 58290, 
-    58295, 58300, 58305, 58311, 58316, 58322, 58327, 58333, 58338, 58343, 
-    58348, 58353, 58359, 58364, 58369, 58374, 58379, 58384, 58389, 58394, 
-    58400, 58405, 58411, 58418, 2561, 58423, 58429, 8526, 58433, 58438, 
-    58445, 58453, 40, 58457, 58463, 58468, 58473, 58477, 58482, 58486, 58490, 
-    10684, 58494, 58504, 58517, 58528, 58541, 58548, 58554, 58559, 58565, 
-    58571, 58577, 58582, 58587, 58592, 58597, 58601, 58606, 58611, 58616, 
-    58622, 58628, 58634, 58639, 58643, 58648, 58653, 58657, 58662, 58667, 
-    58672, 58676, 10700, 10711, 10716, 1563, 58680, 1568, 58686, 16239, 
-    58689, 58695, 1599, 58701, 1605, 1611, 10746, 58706, 58714, 58721, 58725, 
-    58731, 58736, 30977, 58741, 58748, 58753, 58757, 58761, 1616, 16331, 
-    58770, 58774, 16342, 1125, 58778, 58785, 58790, 58794, 16367, 1620, 
-    37350, 58797, 58802, 58812, 58821, 58826, 58830, 58836, 1625, 39259, 
-    58841, 58850, 58856, 58861, 10904, 10910, 58867, 58879, 58896, 58913, 
-    58930, 58947, 58964, 58981, 58998, 59015, 59032, 59049, 59066, 59083, 
-    59100, 59117, 59134, 59151, 59168, 59185, 59202, 59219, 59236, 59253, 
-    59270, 59287, 59304, 59321, 59338, 59355, 59372, 59389, 59406, 59423, 
-    59440, 59457, 59474, 59491, 59508, 59525, 59542, 59559, 59576, 59593, 
-    59610, 59627, 59644, 59661, 59678, 59695, 59712, 59723, 59728, 1630, 
-    59732, 59738, 59743, 59748, 9326, 1635, 59754, 59763, 27731, 59768, 
-    59779, 59789, 59794, 59801, 59807, 59812, 59817, 16619, 59821, 10921, 
-    1640, 10926, 59827, 59832, 59838, 59843, 59848, 59853, 59858, 59863, 
-    59868, 59873, 59879, 59885, 59891, 59896, 59900, 59905, 59910, 59914, 
-    59919, 59924, 59929, 59933, 59938, 59944, 59949, 59954, 59958, 59963, 
-    59968, 59974, 59979, 59984, 59990, 59996, 60001, 60005, 60010, 60015, 
-    60020, 60024, 60029, 60034, 60039, 60045, 60051, 60056, 60060, 60064, 
-    60069, 60074, 60079, 29129, 60083, 60088, 60093, 60099, 60104, 60109, 
-    60113, 60118, 60123, 60129, 60134, 60139, 60145, 60151, 60156, 60160, 
-    60165, 60170, 60174, 60179, 60184, 60189, 60195, 60201, 60206, 60210, 
-    60215, 60220, 60224, 60229, 60234, 60239, 60243, 60246, 31639, 60251, 
-    60259, 16685, 3663, 11017, 60265, 60275, 60290, 11022, 60301, 60306, 
-    60317, 60329, 60341, 60353, 2695, 60365, 60370, 60382, 60386, 60392, 
-    60398, 60403, 1652, 1078, 60412, 60417, 39309, 60421, 60425, 60430, 
-    60434, 16770, 60439, 60442, 60450, 60458, 1656, 11047, 11053, 1661, 
-    60466, 60473, 60478, 60487, 60497, 60504, 60509, 60514, 1666, 60521, 
-    60526, 16885, 60530, 60535, 60542, 60548, 60552, 60563, 60573, 16907, 
-    9234, 9241, 1671, 60580, 60586, 60594, 60601, 60607, 60614, 60626, 60632, 
-    60637, 60649, 60660, 60669, 60679, 3740, 30813, 30822, 16947, 1676, 1680, 
-    60687, 60698, 60703, 1683, 60711, 60716, 16998, 60728, 60734, 60739, 
-    60747, 1688, 60752, 60757, 60765, 60773, 60780, 60789, 60797, 60806, 
-    1693, 60810, 1698, 60815, 60822, 17072, 60830, 60836, 60841, 60849, 
-    60856, 60864, 22574, 60869, 11182, 60878, 60884, 60891, 60898, 60904, 
-    60914, 60920, 60925, 60936, 60941, 60949, 11191, 11196, 60957, 60963, 
-    60971, 3805, 17114, 39397, 60976, 60982, 60987, 60995, 61002, 12036, 
-    61007, 61013, 1709, 61018, 61021, 1132, 61027, 61032, 61037, 61043, 
-    61048, 61053, 61058, 61063, 61068, 61073, 1718, 9, 61079, 61083, 61088, 
-    61092, 61096, 61100, 31879, 61105, 61110, 61115, 61119, 61122, 61126, 
-    61130, 61135, 61139, 61144, 61148, 34616, 34621, 34626, 61151, 61158, 
-    61164, 39118, 61174, 34632, 32137, 31894, 31900, 34648, 31906, 61179, 
-    61184, 32170, 61188, 61191, 61195, 61202, 61205, 61210, 61214, 61218, 
-    61221, 61231, 61243, 61250, 61256, 61263, 33573, 61266, 8543, 877, 61269, 
-    61273, 61278, 3690, 61282, 61285, 13632, 61292, 61299, 61312, 61320, 
-    61329, 61338, 61343, 61353, 61366, 61378, 61385, 61390, 61399, 61412, 
-    36060, 61430, 61435, 61442, 61448, 656, 61453, 61461, 61468, 27271, 627, 
-    61474, 61480, 61490, 61496, 61501, 31924, 6003, 31938, 61505, 61515, 
-    61520, 61530, 61545, 61551, 61557, 31948, 61562, 31094, 61566, 61571, 
-    61576, 61580, 61585, 16950, 61592, 61597, 61601, 6044, 31974, 61605, 
-    61611, 312, 61621, 61628, 61635, 61640, 61649, 58806, 61655, 61663, 
-    61667, 61671, 61675, 61679, 61684, 61688, 61694, 61702, 61707, 61712, 
-    61716, 61721, 61725, 61729, 61735, 61741, 61746, 61750, 32098, 61755, 
-    32104, 32110, 61760, 61766, 61773, 61778, 61782, 31111, 16612, 61785, 
-    61789, 61794, 61801, 61807, 61811, 61816, 38828, 61822, 61826, 61830, 
-    61835, 61841, 61847, 61859, 61868, 61878, 61884, 61891, 61896, 61901, 
-    61905, 61908, 61914, 61921, 61926, 61931, 61938, 61945, 61951, 61956, 
-    61961, 61969, 32115, 2423, 61974, 61979, 61985, 61990, 61996, 62001, 
-    62006, 62011, 62017, 32136, 62022, 62028, 62034, 62040, 32200, 62045, 
-    62050, 62055, 32211, 62060, 62065, 62070, 62076, 62082, 32216, 62087, 
-    62092, 62097, 32271, 32277, 62102, 62107, 32282, 62112, 27958, 32304, 
-    32308, 62117, 62093, 62121, 62129, 62135, 62143, 62150, 62156, 62166, 
-    62172, 62179, 10631, 32322, 62185, 62198, 62207, 62213, 62222, 62228, 
-    23512, 62235, 62242, 62252, 32272, 62255, 62262, 62267, 62271, 62275, 
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+    85281, 85285, 85289, 85293, 85297, 85301, 85307, 85313, 85319, 85325, 
+    85329, 85333, 85337, 85341, 85345, 85349, 85353, 85357, 85361, 85366, 
+    85371, 85376, 85381, 85386, 85391, 85396, 85401, 85406, 85411, 85416, 
+    85421, 85426, 85431, 85436, 85441, 85446, 85451, 85456, 85461, 85466, 
+    85471, 85476, 85481, 85486, 85491, 85496, 85501, 85506, 85511, 85516, 
+    85521, 85526, 85531, 85536, 85541, 85546, 85551, 85556, 85561, 85566, 
+    85571, 85576, 85581, 85586, 85591, 85596, 85601, 85606, 85611, 85616, 
+    85621, 85626, 85631, 85636, 85641, 85646, 85651, 85656, 85661, 85666, 
+    85671, 85676, 85681, 85686, 85691, 85696, 85701, 85706, 85711, 85716, 
+    85721, 85726, 85731, 85736, 85741, 85746, 85751, 85756, 85761, 85766, 
+    85771, 85776, 85781, 85786, 85791, 85796, 85801, 85806, 85811, 85816, 
+    85821, 85826, 85831, 85836, 85841, 85846, 85851, 85856, 85861, 85866, 
+    85871, 85876, 85881, 85886, 85891, 85896, 85901, 85906, 85911, 85916, 
+    85921, 85926, 85931, 85936, 85941, 85946, 85951, 85956, 85961, 85966, 
+    85971, 85976, 85981, 85986, 85991, 85996, 86001, 86006, 86011, 86016, 
+    86021, 86030, 86039, 86048, 86057, 86066, 86075, 86084, 86093, 86102, 
+    86111, 86120, 86129, 86138, 86147, 86156, 86165, 86174, 86183, 86192, 
+    86197, 86202, 86207, 86212, 86217, 86222, 86227, 86232, 86237, 86242, 
+    86247, 86252, 86257, 86262, 86267, 86272, 86277, 86282, 86287, 86292, 
+    86297, 86302, 86307, 86312, 86317, 86322, 86327, 86332, 86337, 86342, 
+    86347, 86352, 86357, 86362, 86367, 86372, 86377, 86382, 86387, 86392, 
+    86397, 86402, 86407, 86412, 86417, 86422, 86427, 86432, 86437, 86442, 
+    86447, 86452, 86457, 86462, 86467, 86472, 86477, 86482, 86488, 86494, 
+    86500, 86505, 86510, 86515, 86521, 86527, 86533, 86538, 86543, 86548, 
+    86553, 86558, 86563, 86568, 16922, 12755, 86573, 86579, 86585, 86594, 
+    86599, 86604, 86609, 86614, 86619, 86624, 86629, 86634, 86639, 86644, 
+    86649, 86654, 86659, 86664, 86669, 86674, 86679, 86684, 86689, 86694, 
+    86699, 86704, 86709, 86714, 86719, 86725, 86730, 86735, 86741, 86746, 
+    86752, 86757, 86762, 86768, 86773, 86778, 86783, 86788, 86793, 86798, 
+    86803, 86808, 85020, 85026, 85032, 85038, 86814, 85044, 85050, 85056, 
+    85062, 85068, 85074, 85080, 85086, 85092, 85098, 85104, 86820, 85110, 
+    85116, 85122, 86826, 85128, 85134, 85140, 85146, 85152, 85158, 85164, 
+    85184, 86832, 86838, 85190, 86844, 85196, 85202, 85208, 85214, 85220, 
+    3126, 3131, 86850, 86855, 86858, 86864, 86870, 86877, 86882, 86887, 2318, 
 };
 
 /* code->name phrasebook */
-#define phrasebook_shift 7
-#define phrasebook_short 209
+#define phrasebook_shift 8
+#define phrasebook_short 204
 static unsigned char phrasebook[] = {
-    0, 219, 20, 245, 39, 79, 224, 1, 79, 54, 50, 247, 140, 50, 225, 185, 50, 
-    254, 134, 254, 65, 43, 226, 7, 44, 226, 7, 253, 224, 96, 50, 249, 227, 
-    240, 174, 243, 236, 218, 131, 219, 48, 21, 210, 86, 21, 111, 21, 105, 21, 
-    158, 21, 161, 21, 190, 21, 195, 21, 199, 21, 196, 21, 201, 249, 234, 220, 
-    152, 233, 21, 50, 245, 106, 50, 242, 137, 50, 224, 16, 79, 249, 225, 253, 
-    214, 7, 6, 1, 61, 7, 6, 1, 253, 166, 7, 6, 1, 251, 74, 7, 6, 1, 249, 68, 
-    7, 6, 1, 76, 7, 6, 1, 245, 14, 7, 6, 1, 243, 209, 7, 6, 1, 242, 67, 7, 6, 
-    1, 74, 7, 6, 1, 235, 150, 7, 6, 1, 235, 29, 7, 6, 1, 156, 7, 6, 1, 194, 
-    7, 6, 1, 230, 30, 7, 6, 1, 78, 7, 6, 1, 226, 109, 7, 6, 1, 224, 99, 7, 6, 
-    1, 153, 7, 6, 1, 222, 93, 7, 6, 1, 217, 153, 7, 6, 1, 69, 7, 6, 1, 214, 
-    105, 7, 6, 1, 212, 98, 7, 6, 1, 211, 178, 7, 6, 1, 211, 117, 7, 6, 1, 
-    210, 159, 43, 42, 127, 223, 53, 219, 48, 44, 42, 127, 250, 39, 255, 23, 
-    121, 232, 219, 242, 144, 255, 23, 7, 4, 1, 61, 7, 4, 1, 253, 166, 7, 4, 
-    1, 251, 74, 7, 4, 1, 249, 68, 7, 4, 1, 76, 7, 4, 1, 245, 14, 7, 4, 1, 
-    243, 209, 7, 4, 1, 242, 67, 7, 4, 1, 74, 7, 4, 1, 235, 150, 7, 4, 1, 235, 
-    29, 7, 4, 1, 156, 7, 4, 1, 194, 7, 4, 1, 230, 30, 7, 4, 1, 78, 7, 4, 1, 
-    226, 109, 7, 4, 1, 224, 99, 7, 4, 1, 153, 7, 4, 1, 222, 93, 7, 4, 1, 217, 
-    153, 7, 4, 1, 69, 7, 4, 1, 214, 105, 7, 4, 1, 212, 98, 7, 4, 1, 211, 178, 
-    7, 4, 1, 211, 117, 7, 4, 1, 210, 159, 43, 249, 107, 127, 67, 232, 219, 
-    44, 249, 107, 127, 184, 228, 78, 219, 20, 235, 200, 245, 39, 79, 250, 
-    184, 50, 224, 231, 50, 249, 106, 50, 211, 40, 50, 251, 143, 130, 221, 
-    175, 50, 248, 9, 249, 171, 50, 244, 144, 226, 158, 235, 245, 233, 48, 52, 
-    254, 118, 224, 1, 79, 228, 57, 50, 219, 54, 240, 175, 223, 105, 50, 231, 
-    237, 248, 79, 50, 225, 24, 50, 218, 24, 105, 218, 24, 158, 255, 12, 255, 
-    23, 230, 233, 50, 225, 71, 50, 230, 229, 247, 128, 250, 191, 218, 24, 
-    111, 231, 153, 226, 158, 235, 245, 222, 250, 52, 254, 118, 224, 1, 79, 
-    212, 114, 244, 10, 123, 224, 24, 212, 114, 244, 10, 123, 242, 34, 212, 
-    114, 244, 10, 134, 224, 22, 235, 200, 224, 16, 79, 7, 6, 1, 116, 2, 242, 
-    143, 7, 6, 1, 116, 2, 142, 7, 6, 1, 116, 2, 250, 38, 7, 6, 1, 116, 2, 
-    184, 7, 6, 1, 116, 2, 248, 9, 7, 6, 1, 116, 2, 222, 237, 48, 7, 6, 1, 
-    254, 252, 7, 6, 1, 251, 75, 2, 250, 191, 7, 6, 1, 160, 2, 242, 143, 7, 6, 
-    1, 160, 2, 142, 7, 6, 1, 160, 2, 250, 38, 7, 6, 1, 160, 2, 248, 9, 7, 6, 
-    1, 240, 161, 2, 242, 143, 7, 6, 1, 240, 161, 2, 142, 7, 6, 1, 240, 161, 
-    2, 250, 38, 7, 6, 1, 240, 161, 2, 248, 9, 7, 6, 1, 245, 67, 7, 6, 1, 230, 
-    31, 2, 184, 7, 6, 1, 144, 2, 242, 143, 7, 6, 1, 144, 2, 142, 7, 6, 1, 
-    144, 2, 250, 38, 7, 6, 1, 144, 2, 184, 7, 6, 1, 144, 2, 248, 9, 230, 89, 
-    50, 7, 6, 1, 144, 2, 91, 7, 6, 1, 104, 2, 242, 143, 7, 6, 1, 104, 2, 142, 
-    7, 6, 1, 104, 2, 250, 38, 7, 6, 1, 104, 2, 248, 9, 7, 6, 1, 211, 118, 2, 
-    142, 7, 6, 1, 216, 152, 7, 4, 1, 220, 78, 222, 93, 7, 4, 1, 116, 2, 242, 
-    143, 7, 4, 1, 116, 2, 142, 7, 4, 1, 116, 2, 250, 38, 7, 4, 1, 116, 2, 
-    184, 7, 4, 1, 116, 2, 248, 9, 7, 4, 1, 116, 2, 222, 237, 48, 7, 4, 1, 
-    254, 252, 7, 4, 1, 251, 75, 2, 250, 191, 7, 4, 1, 160, 2, 242, 143, 7, 4, 
-    1, 160, 2, 142, 7, 4, 1, 160, 2, 250, 38, 7, 4, 1, 160, 2, 248, 9, 7, 4, 
-    1, 240, 161, 2, 242, 143, 7, 4, 1, 240, 161, 2, 142, 7, 4, 1, 240, 161, 
-    2, 250, 38, 7, 4, 1, 240, 161, 2, 248, 9, 7, 4, 1, 245, 67, 7, 4, 1, 230, 
-    31, 2, 184, 7, 4, 1, 144, 2, 242, 143, 7, 4, 1, 144, 2, 142, 7, 4, 1, 
-    144, 2, 250, 38, 7, 4, 1, 144, 2, 184, 7, 4, 1, 144, 2, 248, 9, 247, 177, 
-    50, 7, 4, 1, 144, 2, 91, 7, 4, 1, 104, 2, 242, 143, 7, 4, 1, 104, 2, 142, 
-    7, 4, 1, 104, 2, 250, 38, 7, 4, 1, 104, 2, 248, 9, 7, 4, 1, 211, 118, 2, 
-    142, 7, 4, 1, 216, 152, 7, 4, 1, 211, 118, 2, 248, 9, 7, 6, 1, 116, 2, 
-    231, 237, 7, 4, 1, 116, 2, 231, 237, 7, 6, 1, 116, 2, 251, 154, 7, 4, 1, 
-    116, 2, 251, 154, 7, 6, 1, 116, 2, 226, 228, 7, 4, 1, 116, 2, 226, 228, 
-    7, 6, 1, 251, 75, 2, 142, 7, 4, 1, 251, 75, 2, 142, 7, 6, 1, 251, 75, 2, 
-    250, 38, 7, 4, 1, 251, 75, 2, 250, 38, 7, 6, 1, 251, 75, 2, 59, 48, 7, 4, 
-    1, 251, 75, 2, 59, 48, 7, 6, 1, 251, 75, 2, 250, 242, 7, 4, 1, 251, 75, 
-    2, 250, 242, 7, 6, 1, 249, 69, 2, 250, 242, 7, 4, 1, 249, 69, 2, 250, 
-    242, 7, 6, 1, 249, 69, 2, 91, 7, 4, 1, 249, 69, 2, 91, 7, 6, 1, 160, 2, 
-    231, 237, 7, 4, 1, 160, 2, 231, 237, 7, 6, 1, 160, 2, 251, 154, 7, 4, 1, 
-    160, 2, 251, 154, 7, 6, 1, 160, 2, 59, 48, 7, 4, 1, 160, 2, 59, 48, 7, 6, 
-    1, 160, 2, 226, 228, 7, 4, 1, 160, 2, 226, 228, 7, 6, 1, 160, 2, 250, 
-    242, 7, 4, 1, 160, 2, 250, 242, 7, 6, 1, 243, 210, 2, 250, 38, 7, 4, 1, 
-    243, 210, 2, 250, 38, 7, 6, 1, 243, 210, 2, 251, 154, 7, 4, 1, 243, 210, 
-    2, 251, 154, 7, 6, 1, 243, 210, 2, 59, 48, 7, 4, 1, 243, 210, 2, 59, 48, 
-    7, 6, 1, 243, 210, 2, 250, 191, 7, 4, 1, 243, 210, 2, 250, 191, 7, 6, 1, 
-    242, 68, 2, 250, 38, 7, 4, 1, 242, 68, 2, 250, 38, 7, 6, 1, 242, 68, 2, 
-    91, 7, 4, 1, 242, 68, 2, 91, 7, 6, 1, 240, 161, 2, 184, 7, 4, 1, 240, 
-    161, 2, 184, 7, 6, 1, 240, 161, 2, 231, 237, 7, 4, 1, 240, 161, 2, 231, 
-    237, 7, 6, 1, 240, 161, 2, 251, 154, 7, 4, 1, 240, 161, 2, 251, 154, 7, 
-    6, 1, 240, 161, 2, 226, 228, 7, 4, 1, 240, 161, 2, 226, 228, 7, 6, 1, 
-    240, 161, 2, 59, 48, 7, 4, 1, 247, 127, 74, 7, 6, 27, 236, 38, 7, 4, 27, 
-    236, 38, 7, 6, 1, 235, 151, 2, 250, 38, 7, 4, 1, 235, 151, 2, 250, 38, 7, 
-    6, 1, 235, 30, 2, 250, 191, 7, 4, 1, 235, 30, 2, 250, 191, 7, 4, 1, 233, 
-    245, 7, 6, 1, 233, 155, 2, 142, 7, 4, 1, 233, 155, 2, 142, 7, 6, 1, 233, 
-    155, 2, 250, 191, 7, 4, 1, 233, 155, 2, 250, 191, 7, 6, 1, 233, 155, 2, 
-    250, 242, 7, 4, 1, 233, 155, 2, 250, 242, 7, 6, 1, 233, 155, 2, 230, 229, 
-    247, 128, 7, 4, 1, 233, 155, 2, 230, 229, 247, 128, 7, 6, 1, 233, 155, 2, 
-    91, 7, 4, 1, 233, 155, 2, 91, 7, 6, 1, 230, 31, 2, 142, 7, 4, 1, 230, 31, 
-    2, 142, 7, 6, 1, 230, 31, 2, 250, 191, 7, 4, 1, 230, 31, 2, 250, 191, 7, 
-    6, 1, 230, 31, 2, 250, 242, 7, 4, 1, 230, 31, 2, 250, 242, 7, 4, 1, 230, 
-    31, 224, 207, 251, 86, 254, 65, 7, 6, 1, 245, 146, 7, 4, 1, 245, 146, 7, 
-    6, 1, 144, 2, 231, 237, 7, 4, 1, 144, 2, 231, 237, 7, 6, 1, 144, 2, 251, 
-    154, 7, 4, 1, 144, 2, 251, 154, 7, 6, 1, 144, 2, 52, 142, 7, 4, 1, 144, 
-    2, 52, 142, 7, 6, 27, 226, 238, 7, 4, 27, 226, 238, 7, 6, 1, 223, 227, 2, 
-    142, 7, 4, 1, 223, 227, 2, 142, 7, 6, 1, 223, 227, 2, 250, 191, 7, 4, 1, 
-    223, 227, 2, 250, 191, 7, 6, 1, 223, 227, 2, 250, 242, 7, 4, 1, 223, 227, 
-    2, 250, 242, 7, 6, 1, 222, 94, 2, 142, 7, 4, 1, 222, 94, 2, 142, 7, 6, 1, 
-    222, 94, 2, 250, 38, 7, 4, 1, 222, 94, 2, 250, 38, 7, 6, 1, 222, 94, 2, 
-    250, 191, 7, 4, 1, 222, 94, 2, 250, 191, 7, 6, 1, 222, 94, 2, 250, 242, 
-    7, 4, 1, 222, 94, 2, 250, 242, 7, 6, 1, 217, 154, 2, 250, 191, 7, 4, 1, 
-    217, 154, 2, 250, 191, 7, 6, 1, 217, 154, 2, 250, 242, 7, 4, 1, 217, 154, 
-    2, 250, 242, 7, 6, 1, 217, 154, 2, 91, 7, 4, 1, 217, 154, 2, 91, 7, 6, 1, 
-    104, 2, 184, 7, 4, 1, 104, 2, 184, 7, 6, 1, 104, 2, 231, 237, 7, 4, 1, 
-    104, 2, 231, 237, 7, 6, 1, 104, 2, 251, 154, 7, 4, 1, 104, 2, 251, 154, 
-    7, 6, 1, 104, 2, 222, 237, 48, 7, 4, 1, 104, 2, 222, 237, 48, 7, 6, 1, 
-    104, 2, 52, 142, 7, 4, 1, 104, 2, 52, 142, 7, 6, 1, 104, 2, 226, 228, 7, 
-    4, 1, 104, 2, 226, 228, 7, 6, 1, 212, 99, 2, 250, 38, 7, 4, 1, 212, 99, 
-    2, 250, 38, 7, 6, 1, 211, 118, 2, 250, 38, 7, 4, 1, 211, 118, 2, 250, 38, 
-    7, 6, 1, 211, 118, 2, 248, 9, 7, 6, 1, 210, 160, 2, 142, 7, 4, 1, 210, 
-    160, 2, 142, 7, 6, 1, 210, 160, 2, 59, 48, 7, 4, 1, 210, 160, 2, 59, 48, 
-    7, 6, 1, 210, 160, 2, 250, 242, 7, 4, 1, 210, 160, 2, 250, 242, 7, 4, 1, 
-    200, 222, 93, 7, 4, 1, 57, 2, 91, 7, 6, 1, 57, 2, 103, 7, 6, 1, 57, 2, 
-    216, 12, 7, 4, 1, 57, 2, 216, 12, 7, 6, 1, 138, 195, 7, 4, 1, 138, 195, 
-    7, 6, 1, 204, 78, 7, 6, 1, 251, 75, 2, 103, 7, 4, 1, 251, 75, 2, 103, 7, 
-    6, 1, 254, 228, 249, 68, 7, 6, 1, 249, 69, 2, 103, 7, 6, 1, 249, 69, 2, 
-    216, 12, 7, 4, 1, 249, 69, 2, 216, 12, 7, 4, 1, 215, 94, 248, 62, 7, 6, 
-    1, 223, 52, 76, 7, 6, 1, 221, 197, 7, 6, 1, 204, 76, 7, 6, 1, 245, 15, 2, 
-    103, 7, 4, 1, 245, 15, 2, 103, 7, 6, 1, 243, 210, 2, 103, 7, 6, 1, 243, 
-    114, 7, 4, 1, 240, 208, 7, 6, 1, 235, 192, 7, 6, 1, 240, 161, 2, 91, 7, 
-    6, 1, 235, 30, 2, 103, 7, 4, 1, 235, 30, 2, 103, 7, 4, 1, 233, 155, 2, 
-    130, 7, 4, 1, 233, 106, 2, 91, 7, 6, 1, 215, 94, 194, 7, 6, 1, 230, 31, 
-    2, 43, 103, 7, 4, 1, 230, 31, 2, 200, 44, 233, 42, 7, 6, 1, 144, 2, 230, 
-    229, 184, 7, 6, 1, 144, 2, 240, 255, 7, 4, 1, 144, 2, 240, 255, 7, 6, 1, 
-    226, 223, 7, 4, 1, 226, 223, 7, 6, 1, 226, 110, 2, 103, 7, 4, 1, 226, 
-    110, 2, 103, 7, 1, 210, 214, 7, 6, 1, 138, 105, 7, 4, 1, 138, 105, 7, 6, 
-    1, 245, 83, 7, 1, 223, 52, 245, 84, 232, 129, 7, 4, 1, 217, 154, 2, 226, 
-    70, 103, 7, 6, 1, 217, 154, 2, 103, 7, 4, 1, 217, 154, 2, 103, 7, 6, 1, 
-    217, 154, 2, 223, 58, 103, 7, 6, 1, 104, 2, 240, 255, 7, 4, 1, 104, 2, 
-    240, 255, 7, 6, 1, 214, 157, 7, 6, 1, 214, 106, 2, 103, 7, 6, 1, 211, 
-    118, 2, 103, 7, 4, 1, 211, 118, 2, 103, 7, 6, 1, 210, 160, 2, 91, 7, 4, 
-    1, 210, 160, 2, 91, 7, 6, 1, 245, 16, 7, 6, 1, 245, 17, 223, 51, 7, 4, 1, 
-    245, 17, 223, 51, 7, 4, 1, 245, 17, 2, 217, 78, 7, 1, 113, 2, 91, 7, 6, 
-    1, 138, 190, 7, 4, 1, 138, 190, 7, 1, 235, 200, 242, 187, 218, 132, 2, 
-    91, 7, 1, 211, 181, 7, 1, 248, 55, 250, 19, 7, 1, 233, 83, 250, 19, 7, 1, 
-    254, 145, 250, 19, 7, 1, 223, 58, 250, 19, 7, 6, 1, 246, 48, 2, 250, 242, 
-    7, 6, 1, 249, 69, 2, 4, 1, 210, 160, 2, 250, 242, 7, 4, 1, 246, 48, 2, 
-    250, 242, 7, 6, 1, 232, 194, 7, 6, 1, 233, 155, 2, 4, 1, 235, 150, 7, 4, 
-    1, 232, 194, 7, 6, 1, 228, 191, 7, 6, 1, 230, 31, 2, 4, 1, 235, 150, 7, 
-    4, 1, 228, 191, 7, 6, 1, 116, 2, 250, 242, 7, 4, 1, 116, 2, 250, 242, 7, 
-    6, 1, 240, 161, 2, 250, 242, 7, 4, 1, 240, 161, 2, 250, 242, 7, 6, 1, 
-    144, 2, 250, 242, 7, 4, 1, 144, 2, 250, 242, 7, 6, 1, 104, 2, 250, 242, 
-    7, 4, 1, 104, 2, 250, 242, 7, 6, 1, 104, 2, 248, 10, 22, 231, 237, 7, 4, 
-    1, 104, 2, 248, 10, 22, 231, 237, 7, 6, 1, 104, 2, 248, 10, 22, 142, 7, 
-    4, 1, 104, 2, 248, 10, 22, 142, 7, 6, 1, 104, 2, 248, 10, 22, 250, 242, 
-    7, 4, 1, 104, 2, 248, 10, 22, 250, 242, 7, 6, 1, 104, 2, 248, 10, 22, 
-    242, 143, 7, 4, 1, 104, 2, 248, 10, 22, 242, 143, 7, 4, 1, 215, 94, 76, 
-    7, 6, 1, 116, 2, 248, 10, 22, 231, 237, 7, 4, 1, 116, 2, 248, 10, 22, 
-    231, 237, 7, 6, 1, 116, 2, 59, 72, 22, 231, 237, 7, 4, 1, 116, 2, 59, 72, 
-    22, 231, 237, 7, 6, 1, 254, 253, 2, 231, 237, 7, 4, 1, 254, 253, 2, 231, 
-    237, 7, 6, 1, 243, 210, 2, 91, 7, 4, 1, 243, 210, 2, 91, 7, 6, 1, 243, 
-    210, 2, 250, 242, 7, 4, 1, 243, 210, 2, 250, 242, 7, 6, 1, 235, 30, 2, 
-    250, 242, 7, 4, 1, 235, 30, 2, 250, 242, 7, 6, 1, 144, 2, 226, 228, 7, 4, 
-    1, 144, 2, 226, 228, 7, 6, 1, 144, 2, 226, 229, 22, 231, 237, 7, 4, 1, 
-    144, 2, 226, 229, 22, 231, 237, 7, 6, 1, 245, 17, 2, 250, 242, 7, 4, 1, 
-    245, 17, 2, 250, 242, 7, 4, 1, 235, 151, 2, 250, 242, 7, 6, 1, 246, 47, 
-    7, 6, 1, 249, 69, 2, 4, 1, 210, 159, 7, 4, 1, 246, 47, 7, 6, 1, 243, 210, 
-    2, 142, 7, 4, 1, 243, 210, 2, 142, 7, 6, 1, 240, 206, 7, 6, 1, 211, 181, 
-    7, 6, 1, 230, 31, 2, 242, 143, 7, 4, 1, 230, 31, 2, 242, 143, 7, 6, 1, 
-    116, 2, 222, 237, 72, 22, 142, 7, 4, 1, 116, 2, 222, 237, 72, 22, 142, 7, 
-    6, 1, 254, 253, 2, 142, 7, 4, 1, 254, 253, 2, 142, 7, 6, 1, 144, 2, 218, 
-    105, 22, 142, 7, 4, 1, 144, 2, 218, 105, 22, 142, 7, 6, 1, 116, 2, 52, 
-    242, 143, 7, 4, 1, 116, 2, 52, 242, 143, 7, 6, 1, 116, 2, 235, 200, 251, 
-    154, 7, 4, 1, 116, 2, 235, 200, 251, 154, 7, 6, 1, 160, 2, 52, 242, 143, 
-    7, 4, 1, 160, 2, 52, 242, 143, 7, 6, 1, 160, 2, 235, 200, 251, 154, 7, 4, 
-    1, 160, 2, 235, 200, 251, 154, 7, 6, 1, 240, 161, 2, 52, 242, 143, 7, 4, 
-    1, 240, 161, 2, 52, 242, 143, 7, 6, 1, 240, 161, 2, 235, 200, 251, 154, 
-    7, 4, 1, 240, 161, 2, 235, 200, 251, 154, 7, 6, 1, 144, 2, 52, 242, 143, 
-    7, 4, 1, 144, 2, 52, 242, 143, 7, 6, 1, 144, 2, 235, 200, 251, 154, 7, 4, 
-    1, 144, 2, 235, 200, 251, 154, 7, 6, 1, 223, 227, 2, 52, 242, 143, 7, 4, 
-    1, 223, 227, 2, 52, 242, 143, 7, 6, 1, 223, 227, 2, 235, 200, 251, 154, 
-    7, 4, 1, 223, 227, 2, 235, 200, 251, 154, 7, 6, 1, 104, 2, 52, 242, 143, 
-    7, 4, 1, 104, 2, 52, 242, 143, 7, 6, 1, 104, 2, 235, 200, 251, 154, 7, 4, 
-    1, 104, 2, 235, 200, 251, 154, 7, 6, 1, 222, 94, 2, 249, 228, 51, 7, 4, 
-    1, 222, 94, 2, 249, 228, 51, 7, 6, 1, 217, 154, 2, 249, 228, 51, 7, 4, 1, 
-    217, 154, 2, 249, 228, 51, 7, 6, 1, 210, 231, 7, 4, 1, 210, 231, 7, 6, 1, 
-    242, 68, 2, 250, 242, 7, 4, 1, 242, 68, 2, 250, 242, 7, 6, 1, 230, 31, 2, 
-    200, 44, 233, 42, 7, 4, 1, 249, 69, 2, 249, 108, 7, 6, 1, 226, 138, 7, 4, 
-    1, 226, 138, 7, 6, 1, 210, 160, 2, 103, 7, 4, 1, 210, 160, 2, 103, 7, 6, 
-    1, 116, 2, 59, 48, 7, 4, 1, 116, 2, 59, 48, 7, 6, 1, 160, 2, 250, 191, 7, 
-    4, 1, 160, 2, 250, 191, 7, 6, 1, 144, 2, 248, 10, 22, 231, 237, 7, 4, 1, 
-    144, 2, 248, 10, 22, 231, 237, 7, 6, 1, 144, 2, 216, 90, 22, 231, 237, 7, 
-    4, 1, 144, 2, 216, 90, 22, 231, 237, 7, 6, 1, 144, 2, 59, 48, 7, 4, 1, 
-    144, 2, 59, 48, 7, 6, 1, 144, 2, 59, 72, 22, 231, 237, 7, 4, 1, 144, 2, 
-    59, 72, 22, 231, 237, 7, 6, 1, 211, 118, 2, 231, 237, 7, 4, 1, 211, 118, 
-    2, 231, 237, 7, 4, 1, 233, 155, 2, 249, 108, 7, 4, 1, 230, 31, 2, 249, 
-    108, 7, 4, 1, 217, 154, 2, 249, 108, 7, 4, 1, 247, 127, 235, 150, 7, 4, 
-    1, 248, 151, 247, 228, 7, 4, 1, 224, 34, 247, 228, 7, 6, 1, 116, 2, 91, 
-    7, 6, 1, 251, 75, 2, 91, 7, 4, 1, 251, 75, 2, 91, 7, 6, 1, 233, 155, 2, 
-    130, 7, 6, 1, 217, 154, 2, 248, 7, 91, 7, 4, 1, 222, 94, 2, 217, 251, 
-    217, 78, 7, 4, 1, 210, 160, 2, 217, 251, 217, 78, 7, 6, 1, 242, 187, 218, 
-    131, 7, 4, 1, 242, 187, 218, 131, 7, 6, 1, 57, 2, 91, 7, 6, 1, 104, 130, 
-    7, 6, 1, 215, 94, 214, 105, 7, 6, 1, 160, 2, 91, 7, 4, 1, 160, 2, 91, 7, 
-    6, 1, 235, 151, 2, 91, 7, 4, 1, 235, 151, 2, 91, 7, 6, 1, 4, 224, 100, 2, 
-    241, 59, 217, 78, 7, 4, 1, 224, 100, 2, 241, 59, 217, 78, 7, 6, 1, 223, 
-    227, 2, 91, 7, 4, 1, 223, 227, 2, 91, 7, 6, 1, 211, 118, 2, 91, 7, 4, 1, 
-    211, 118, 2, 91, 7, 4, 1, 215, 94, 61, 7, 4, 1, 254, 151, 7, 4, 1, 215, 
-    94, 254, 151, 7, 4, 1, 57, 2, 103, 7, 4, 1, 204, 78, 7, 4, 1, 251, 75, 2, 
-    249, 108, 7, 4, 1, 249, 69, 2, 217, 78, 7, 4, 1, 249, 69, 2, 103, 7, 4, 
-    1, 223, 52, 76, 7, 4, 1, 221, 197, 7, 4, 1, 221, 198, 2, 103, 7, 4, 1, 
-    204, 76, 7, 4, 1, 223, 52, 204, 76, 7, 4, 1, 223, 52, 204, 160, 2, 103, 
-    7, 4, 1, 250, 8, 223, 52, 204, 76, 7, 4, 1, 247, 127, 235, 151, 2, 91, 7, 
-    4, 1, 243, 210, 2, 103, 7, 4, 1, 119, 243, 209, 7, 1, 4, 6, 243, 209, 7, 
-    4, 1, 243, 114, 7, 4, 1, 223, 154, 240, 255, 7, 4, 1, 215, 94, 242, 67, 
-    7, 4, 1, 242, 68, 2, 103, 7, 4, 1, 241, 215, 2, 103, 7, 4, 1, 240, 161, 
-    2, 91, 7, 4, 1, 235, 192, 7, 1, 4, 6, 74, 7, 4, 1, 233, 155, 2, 230, 229, 
-    184, 7, 4, 1, 233, 155, 2, 252, 49, 7, 4, 1, 233, 155, 2, 223, 58, 103, 
-    7, 4, 1, 233, 7, 7, 4, 1, 215, 94, 194, 7, 4, 1, 215, 94, 232, 55, 2, 
-    200, 233, 42, 7, 4, 1, 232, 55, 2, 103, 7, 4, 1, 230, 31, 2, 43, 103, 7, 
-    4, 1, 230, 31, 2, 223, 58, 103, 7, 1, 4, 6, 230, 30, 7, 4, 1, 252, 142, 
-    78, 7, 1, 4, 6, 226, 238, 7, 4, 1, 250, 8, 226, 205, 7, 4, 1, 225, 136, 
-    7, 4, 1, 215, 94, 153, 7, 4, 1, 215, 94, 223, 227, 2, 200, 233, 42, 7, 4, 
-    1, 215, 94, 223, 227, 2, 103, 7, 4, 1, 223, 227, 2, 200, 233, 42, 7, 4, 
-    1, 223, 227, 2, 217, 78, 7, 4, 1, 223, 227, 2, 244, 95, 7, 4, 1, 223, 52, 
-    223, 227, 2, 244, 95, 7, 1, 4, 6, 153, 7, 1, 4, 6, 235, 200, 153, 7, 4, 
-    1, 222, 94, 2, 103, 7, 4, 1, 245, 83, 7, 4, 1, 247, 127, 235, 151, 2, 
-    218, 105, 22, 103, 7, 4, 1, 218, 233, 223, 52, 245, 83, 7, 4, 1, 245, 84, 
-    2, 249, 108, 7, 4, 1, 215, 94, 217, 153, 7, 4, 1, 217, 154, 2, 223, 58, 
-    103, 7, 4, 1, 104, 130, 7, 4, 1, 214, 157, 7, 4, 1, 214, 106, 2, 103, 7, 
-    4, 1, 215, 94, 214, 105, 7, 4, 1, 215, 94, 212, 98, 7, 4, 1, 215, 94, 
-    211, 117, 7, 1, 4, 6, 211, 117, 7, 4, 1, 210, 160, 2, 223, 58, 103, 7, 4, 
-    1, 210, 160, 2, 249, 108, 7, 4, 1, 245, 16, 7, 4, 1, 245, 17, 2, 249, 
-    108, 7, 1, 242, 187, 218, 131, 7, 1, 225, 142, 213, 135, 244, 1, 7, 1, 
-    235, 200, 242, 187, 218, 131, 7, 1, 218, 112, 251, 74, 7, 1, 251, 254, 
-    250, 19, 7, 1, 4, 6, 253, 166, 7, 4, 1, 250, 8, 204, 76, 7, 1, 4, 6, 243, 
-    210, 2, 103, 7, 1, 4, 6, 242, 67, 7, 4, 1, 235, 151, 2, 249, 135, 7, 4, 
-    1, 215, 94, 235, 29, 7, 1, 4, 6, 156, 7, 4, 1, 224, 100, 2, 103, 7, 1, 
-    242, 187, 218, 132, 2, 91, 7, 1, 223, 52, 242, 187, 218, 132, 2, 91, 7, 
-    4, 1, 246, 48, 247, 228, 7, 4, 1, 248, 34, 247, 228, 7, 4, 1, 246, 48, 
-    247, 229, 2, 249, 108, 7, 4, 1, 215, 186, 247, 228, 7, 4, 1, 216, 236, 
-    247, 228, 7, 4, 1, 217, 30, 247, 229, 2, 249, 108, 7, 4, 1, 244, 142, 
-    247, 228, 7, 4, 1, 232, 105, 247, 228, 7, 4, 1, 232, 56, 247, 228, 7, 1, 
-    251, 254, 225, 184, 7, 1, 252, 6, 225, 184, 7, 4, 1, 215, 94, 242, 68, 2, 
-    244, 95, 7, 4, 1, 215, 94, 242, 68, 2, 244, 96, 22, 217, 78, 58, 1, 4, 
-    242, 67, 58, 1, 4, 242, 68, 2, 103, 58, 1, 4, 235, 150, 58, 1, 4, 153, 
-    58, 1, 4, 215, 94, 153, 58, 1, 4, 215, 94, 223, 227, 2, 103, 58, 1, 4, 6, 
-    235, 200, 153, 58, 1, 4, 212, 98, 58, 1, 4, 211, 117, 58, 1, 224, 193, 
-    58, 1, 52, 224, 193, 58, 1, 215, 94, 249, 227, 58, 1, 254, 65, 58, 1, 
-    223, 52, 249, 227, 58, 1, 44, 163, 222, 236, 58, 1, 43, 163, 222, 236, 
-    58, 1, 242, 187, 218, 131, 58, 1, 223, 52, 242, 187, 218, 131, 58, 1, 43, 
-    254, 1, 58, 1, 44, 254, 1, 58, 1, 120, 254, 1, 58, 1, 124, 254, 1, 58, 1, 
-    250, 39, 255, 23, 250, 242, 58, 1, 67, 232, 219, 58, 1, 231, 237, 58, 1, 
-    255, 12, 255, 23, 58, 1, 242, 144, 255, 23, 58, 1, 121, 67, 232, 219, 58, 
-    1, 121, 231, 237, 58, 1, 121, 242, 144, 255, 23, 58, 1, 121, 255, 12, 
-    255, 23, 58, 1, 215, 223, 249, 234, 58, 1, 163, 215, 223, 249, 234, 58, 
-    1, 250, 181, 44, 163, 222, 236, 58, 1, 250, 181, 43, 163, 222, 236, 58, 
-    1, 120, 217, 88, 58, 1, 124, 217, 88, 58, 1, 96, 50, 58, 1, 230, 187, 50, 
-    251, 154, 59, 48, 222, 237, 48, 226, 228, 4, 184, 52, 255, 12, 255, 23, 
-    58, 1, 223, 39, 103, 58, 1, 249, 139, 255, 23, 58, 1, 4, 243, 114, 58, 1, 
-    4, 156, 58, 1, 4, 222, 93, 58, 1, 4, 211, 178, 58, 1, 4, 223, 52, 242, 
-    187, 218, 131, 58, 1, 245, 28, 138, 130, 58, 1, 125, 138, 130, 58, 1, 
-    230, 230, 138, 130, 58, 1, 121, 138, 130, 58, 1, 245, 27, 138, 130, 58, 
-    1, 210, 254, 248, 52, 138, 79, 58, 1, 211, 70, 248, 52, 138, 79, 58, 1, 
-    213, 133, 58, 1, 214, 186, 58, 1, 52, 254, 65, 58, 1, 121, 124, 254, 1, 
-    58, 1, 121, 120, 254, 1, 58, 1, 121, 43, 254, 1, 58, 1, 121, 44, 254, 1, 
-    58, 1, 121, 222, 236, 58, 1, 230, 229, 242, 144, 255, 23, 58, 1, 230, 
-    229, 52, 242, 144, 255, 23, 58, 1, 230, 229, 52, 255, 12, 255, 23, 58, 1, 
-    121, 184, 58, 1, 223, 160, 249, 234, 58, 1, 252, 66, 125, 216, 31, 58, 1, 
-    245, 151, 125, 216, 31, 58, 1, 252, 66, 121, 216, 31, 58, 1, 245, 151, 
-    121, 216, 31, 58, 1, 220, 56, 58, 1, 204, 220, 56, 58, 1, 121, 43, 75, 
-    38, 242, 144, 255, 23, 38, 255, 12, 255, 23, 38, 250, 39, 255, 23, 38, 
-    184, 38, 231, 237, 38, 226, 123, 38, 251, 154, 38, 59, 48, 38, 248, 9, 
-    38, 241, 59, 48, 38, 222, 237, 48, 38, 52, 255, 12, 255, 23, 38, 250, 
-    242, 38, 67, 232, 220, 48, 38, 52, 67, 232, 220, 48, 38, 52, 242, 144, 
-    255, 23, 38, 251, 7, 38, 235, 200, 251, 154, 38, 215, 94, 249, 228, 48, 
-    38, 249, 228, 48, 38, 223, 52, 249, 228, 48, 38, 249, 228, 72, 222, 254, 
-    38, 242, 144, 255, 24, 51, 38, 255, 12, 255, 24, 51, 38, 43, 217, 89, 51, 
-    38, 44, 217, 89, 51, 38, 43, 254, 118, 48, 38, 240, 255, 38, 43, 163, 
-    222, 237, 51, 38, 120, 217, 89, 51, 38, 124, 217, 89, 51, 38, 96, 5, 51, 
-    38, 230, 187, 5, 51, 38, 226, 68, 241, 59, 51, 38, 223, 58, 241, 59, 51, 
-    38, 59, 51, 38, 248, 10, 51, 38, 222, 237, 51, 38, 249, 228, 51, 38, 250, 
-    191, 38, 226, 228, 38, 67, 232, 220, 51, 38, 251, 148, 51, 38, 235, 200, 
-    52, 254, 32, 51, 38, 250, 243, 51, 38, 250, 39, 255, 24, 51, 38, 251, 
-    155, 51, 38, 235, 200, 251, 155, 51, 38, 216, 90, 51, 38, 231, 238, 51, 
-    38, 121, 232, 219, 38, 52, 121, 232, 219, 38, 216, 90, 226, 124, 38, 219, 
-    253, 218, 105, 226, 124, 38, 200, 218, 105, 226, 124, 38, 219, 253, 219, 
-    49, 226, 124, 38, 200, 219, 49, 226, 124, 38, 44, 163, 222, 237, 51, 38, 
-    235, 200, 251, 148, 51, 38, 42, 51, 38, 221, 182, 51, 38, 211, 179, 48, 
-    38, 67, 184, 38, 52, 226, 123, 38, 242, 144, 138, 79, 38, 255, 12, 138, 
-    79, 38, 26, 225, 178, 38, 26, 234, 8, 38, 26, 248, 4, 216, 19, 38, 26, 
-    210, 219, 38, 251, 148, 48, 38, 245, 106, 5, 51, 38, 52, 67, 232, 220, 
-    51, 38, 43, 254, 118, 51, 38, 228, 57, 216, 90, 48, 38, 241, 65, 48, 38, 
-    254, 156, 128, 216, 43, 48, 38, 43, 44, 80, 51, 38, 214, 153, 80, 51, 38, 
-    242, 149, 235, 69, 38, 44, 254, 2, 48, 38, 43, 163, 222, 237, 48, 38, 
-    244, 139, 38, 211, 179, 51, 38, 43, 254, 2, 51, 38, 44, 254, 2, 51, 38, 
-    44, 254, 2, 22, 120, 254, 2, 51, 38, 44, 163, 222, 237, 48, 38, 59, 72, 
-    222, 254, 38, 253, 225, 51, 38, 52, 222, 237, 51, 38, 210, 35, 48, 38, 
-    52, 251, 155, 51, 38, 52, 251, 154, 38, 52, 231, 237, 38, 52, 231, 238, 
-    51, 38, 52, 184, 38, 52, 235, 200, 251, 154, 38, 52, 97, 80, 51, 38, 7, 
-    4, 1, 61, 38, 7, 4, 1, 76, 38, 7, 4, 1, 74, 38, 7, 4, 1, 78, 38, 7, 4, 1, 
-    69, 38, 7, 4, 1, 251, 74, 38, 7, 4, 1, 249, 68, 38, 7, 4, 1, 242, 67, 38, 
-    7, 4, 1, 194, 38, 7, 4, 1, 153, 38, 7, 4, 1, 217, 153, 38, 7, 4, 1, 214, 
-    105, 38, 7, 4, 1, 211, 178, 26, 6, 1, 241, 203, 26, 4, 1, 241, 203, 26, 
-    6, 1, 254, 31, 221, 248, 26, 4, 1, 254, 31, 221, 248, 26, 227, 202, 50, 
-    26, 232, 114, 227, 202, 50, 26, 6, 1, 226, 55, 247, 235, 26, 4, 1, 226, 
-    55, 247, 235, 26, 210, 219, 26, 4, 223, 52, 232, 88, 219, 180, 87, 26, 4, 
-    246, 126, 232, 88, 219, 180, 87, 26, 4, 223, 52, 246, 126, 232, 88, 219, 
-    180, 87, 26, 224, 16, 79, 26, 216, 19, 26, 248, 4, 216, 19, 26, 6, 1, 
-    254, 152, 2, 216, 19, 26, 254, 105, 217, 3, 26, 6, 1, 245, 109, 2, 216, 
-    19, 26, 6, 1, 245, 72, 2, 216, 19, 26, 6, 1, 235, 193, 2, 216, 19, 26, 6, 
-    1, 226, 204, 2, 216, 19, 26, 6, 1, 214, 158, 2, 216, 19, 26, 6, 1, 226, 
-    206, 2, 216, 19, 26, 4, 1, 235, 193, 2, 248, 4, 22, 216, 19, 26, 6, 1, 
-    254, 151, 26, 6, 1, 252, 34, 26, 6, 1, 243, 114, 26, 6, 1, 248, 62, 26, 
-    6, 1, 245, 108, 26, 6, 1, 210, 85, 26, 6, 1, 245, 71, 26, 6, 1, 216, 180, 
-    26, 6, 1, 235, 192, 26, 6, 1, 234, 228, 26, 6, 1, 233, 104, 26, 6, 1, 
-    230, 107, 26, 6, 1, 227, 242, 26, 6, 1, 211, 157, 26, 6, 1, 226, 203, 26, 
-    6, 1, 225, 111, 26, 6, 1, 223, 40, 26, 6, 1, 219, 179, 26, 6, 1, 217, 42, 
-    26, 6, 1, 214, 157, 26, 6, 1, 225, 136, 26, 6, 1, 250, 118, 26, 6, 1, 
-    224, 164, 26, 6, 1, 226, 205, 26, 6, 1, 235, 193, 2, 248, 3, 26, 6, 1, 
-    214, 158, 2, 248, 3, 26, 4, 1, 254, 152, 2, 216, 19, 26, 4, 1, 245, 109, 
-    2, 216, 19, 26, 4, 1, 245, 72, 2, 216, 19, 26, 4, 1, 235, 193, 2, 216, 
-    19, 26, 4, 1, 214, 158, 2, 248, 4, 22, 216, 19, 26, 4, 1, 254, 151, 26, 
-    4, 1, 252, 34, 26, 4, 1, 243, 114, 26, 4, 1, 248, 62, 26, 4, 1, 245, 108, 
-    26, 4, 1, 210, 85, 26, 4, 1, 245, 71, 26, 4, 1, 216, 180, 26, 4, 1, 235, 
-    192, 26, 4, 1, 234, 228, 26, 4, 1, 233, 104, 26, 4, 1, 230, 107, 26, 4, 
-    1, 227, 242, 26, 4, 1, 211, 157, 26, 4, 1, 226, 203, 26, 4, 1, 225, 111, 
-    26, 4, 1, 223, 40, 26, 4, 1, 40, 219, 179, 26, 4, 1, 219, 179, 26, 4, 1, 
-    217, 42, 26, 4, 1, 214, 157, 26, 4, 1, 225, 136, 26, 4, 1, 250, 118, 26, 
-    4, 1, 224, 164, 26, 4, 1, 226, 205, 26, 4, 1, 235, 193, 2, 248, 3, 26, 4, 
-    1, 214, 158, 2, 248, 3, 26, 4, 1, 226, 204, 2, 216, 19, 26, 4, 1, 214, 
-    158, 2, 216, 19, 26, 4, 1, 226, 206, 2, 216, 19, 26, 6, 234, 253, 87, 26, 
-    252, 35, 87, 26, 216, 181, 87, 26, 214, 158, 2, 241, 59, 87, 26, 214, 
-    158, 2, 255, 12, 22, 241, 59, 87, 26, 214, 158, 2, 248, 10, 22, 241, 59, 
-    87, 26, 225, 137, 87, 26, 225, 112, 87, 26, 234, 253, 87, 26, 1, 254, 31, 
-    234, 12, 26, 4, 1, 254, 31, 234, 12, 26, 1, 218, 139, 26, 4, 1, 218, 139, 
-    26, 1, 247, 235, 26, 4, 1, 247, 235, 26, 1, 234, 12, 26, 4, 1, 234, 12, 
-    26, 1, 221, 248, 26, 4, 1, 221, 248, 81, 6, 1, 220, 57, 81, 4, 1, 220, 
-    57, 81, 6, 1, 244, 148, 81, 4, 1, 244, 148, 81, 6, 1, 234, 123, 81, 4, 1, 
-    234, 123, 81, 6, 1, 241, 52, 81, 4, 1, 241, 52, 81, 6, 1, 243, 109, 81, 
-    4, 1, 243, 109, 81, 6, 1, 220, 24, 81, 4, 1, 220, 24, 81, 6, 1, 248, 77, 
-    81, 4, 1, 248, 77, 26, 234, 229, 87, 26, 223, 41, 87, 26, 232, 88, 219, 
-    180, 87, 26, 1, 210, 224, 26, 6, 216, 181, 87, 26, 232, 88, 245, 109, 87, 
-    26, 223, 52, 232, 88, 245, 109, 87, 26, 6, 1, 220, 9, 26, 4, 1, 220, 9, 
-    26, 6, 232, 88, 219, 180, 87, 26, 6, 1, 221, 245, 26, 4, 1, 221, 245, 26, 
-    223, 41, 2, 218, 105, 87, 26, 6, 223, 52, 232, 88, 219, 180, 87, 26, 6, 
-    246, 126, 232, 88, 219, 180, 87, 26, 6, 223, 52, 246, 126, 232, 88, 219, 
-    180, 87, 33, 6, 1, 236, 68, 2, 242, 143, 33, 6, 1, 235, 196, 33, 6, 1, 
-    247, 170, 33, 6, 1, 242, 194, 33, 6, 1, 214, 202, 236, 67, 33, 6, 1, 246, 
-    44, 33, 6, 1, 251, 84, 74, 33, 6, 1, 211, 8, 33, 6, 1, 235, 132, 33, 6, 
-    1, 232, 193, 33, 6, 1, 228, 183, 33, 6, 1, 215, 175, 33, 6, 1, 234, 54, 
-    33, 6, 1, 240, 161, 2, 242, 143, 33, 6, 1, 219, 253, 69, 33, 6, 1, 246, 
-    40, 33, 6, 1, 61, 33, 6, 1, 252, 83, 33, 6, 1, 213, 255, 33, 6, 1, 242, 
-    243, 33, 6, 1, 248, 98, 33, 6, 1, 236, 67, 33, 6, 1, 210, 74, 33, 6, 1, 
-    210, 94, 33, 6, 1, 74, 33, 6, 1, 219, 253, 74, 33, 6, 1, 176, 33, 6, 1, 
-    245, 182, 33, 6, 1, 245, 167, 33, 6, 1, 245, 158, 33, 6, 1, 78, 33, 6, 1, 
-    225, 224, 33, 6, 1, 245, 100, 33, 6, 1, 245, 90, 33, 6, 1, 217, 23, 33, 
-    6, 1, 69, 33, 6, 1, 245, 210, 33, 6, 1, 162, 33, 6, 1, 215, 179, 33, 6, 
-    1, 250, 139, 33, 6, 1, 220, 104, 33, 6, 1, 220, 67, 33, 6, 1, 242, 10, 
-    50, 33, 6, 1, 211, 27, 33, 6, 1, 219, 54, 50, 33, 6, 1, 76, 33, 6, 1, 
-    210, 212, 33, 6, 1, 192, 33, 4, 1, 61, 33, 4, 1, 252, 83, 33, 4, 1, 213, 
-    255, 33, 4, 1, 242, 243, 33, 4, 1, 248, 98, 33, 4, 1, 236, 67, 33, 4, 1, 
-    210, 74, 33, 4, 1, 210, 94, 33, 4, 1, 74, 33, 4, 1, 219, 253, 74, 33, 4, 
-    1, 176, 33, 4, 1, 245, 182, 33, 4, 1, 245, 167, 33, 4, 1, 245, 158, 33, 
-    4, 1, 78, 33, 4, 1, 225, 224, 33, 4, 1, 245, 100, 33, 4, 1, 245, 90, 33, 
-    4, 1, 217, 23, 33, 4, 1, 69, 33, 4, 1, 245, 210, 33, 4, 1, 162, 33, 4, 1, 
-    215, 179, 33, 4, 1, 250, 139, 33, 4, 1, 220, 104, 33, 4, 1, 220, 67, 33, 
-    4, 1, 242, 10, 50, 33, 4, 1, 211, 27, 33, 4, 1, 219, 54, 50, 33, 4, 1, 
-    76, 33, 4, 1, 210, 212, 33, 4, 1, 192, 33, 4, 1, 236, 68, 2, 242, 143, 
-    33, 4, 1, 235, 196, 33, 4, 1, 247, 170, 33, 4, 1, 242, 194, 33, 4, 1, 
-    214, 202, 236, 67, 33, 4, 1, 246, 44, 33, 4, 1, 251, 84, 74, 33, 4, 1, 
-    211, 8, 33, 4, 1, 235, 132, 33, 4, 1, 232, 193, 33, 4, 1, 228, 183, 33, 
-    4, 1, 215, 175, 33, 4, 1, 234, 54, 33, 4, 1, 240, 161, 2, 242, 143, 33, 
-    4, 1, 219, 253, 69, 33, 4, 1, 246, 40, 33, 6, 1, 226, 205, 33, 4, 1, 226, 
-    205, 33, 6, 1, 211, 59, 33, 4, 1, 211, 59, 33, 6, 1, 235, 190, 76, 33, 4, 
-    1, 235, 190, 76, 33, 6, 1, 232, 198, 210, 183, 33, 4, 1, 232, 198, 210, 
-    183, 33, 6, 1, 235, 190, 232, 198, 210, 183, 33, 4, 1, 235, 190, 232, 
-    198, 210, 183, 33, 6, 1, 252, 1, 210, 183, 33, 4, 1, 252, 1, 210, 183, 
-    33, 6, 1, 235, 190, 252, 1, 210, 183, 33, 4, 1, 235, 190, 252, 1, 210, 
-    183, 33, 6, 1, 233, 239, 33, 4, 1, 233, 239, 33, 6, 1, 224, 164, 33, 4, 
-    1, 224, 164, 33, 6, 1, 244, 90, 33, 4, 1, 244, 90, 33, 6, 1, 235, 152, 
-    33, 4, 1, 235, 152, 33, 6, 1, 235, 153, 2, 52, 242, 144, 255, 23, 33, 4, 
-    1, 235, 153, 2, 52, 242, 144, 255, 23, 33, 6, 1, 214, 205, 33, 4, 1, 214, 
-    205, 33, 6, 1, 222, 187, 226, 205, 33, 4, 1, 222, 187, 226, 205, 33, 6, 
-    1, 226, 206, 2, 216, 66, 33, 4, 1, 226, 206, 2, 216, 66, 33, 6, 1, 226, 
-    144, 33, 4, 1, 226, 144, 33, 6, 1, 234, 12, 33, 4, 1, 234, 12, 33, 216, 
-    147, 50, 38, 33, 216, 66, 38, 33, 226, 69, 38, 33, 248, 162, 225, 21, 38, 
-    33, 224, 158, 225, 21, 38, 33, 225, 6, 38, 33, 240, 218, 216, 147, 50, 
-    38, 33, 230, 196, 50, 33, 6, 1, 219, 253, 240, 161, 2, 217, 78, 33, 4, 1, 
-    219, 253, 240, 161, 2, 217, 78, 33, 6, 1, 220, 148, 50, 33, 4, 1, 220, 
-    148, 50, 33, 6, 1, 245, 101, 2, 216, 115, 33, 4, 1, 245, 101, 2, 216, 
-    115, 33, 6, 1, 242, 244, 2, 214, 156, 33, 4, 1, 242, 244, 2, 214, 156, 
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-    225, 2, 230, 229, 103, 33, 6, 1, 255, 29, 162, 33, 4, 1, 255, 29, 162, 
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-    217, 24, 2, 248, 47, 33, 4, 1, 217, 24, 2, 248, 47, 33, 6, 1, 218, 123, 
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-    218, 123, 104, 2, 91, 33, 6, 1, 242, 56, 2, 248, 47, 33, 4, 1, 242, 56, 
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-    250, 140, 2, 67, 91, 33, 4, 1, 250, 140, 2, 67, 91, 33, 6, 1, 220, 35, 
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-    139, 33, 6, 1, 255, 29, 250, 140, 2, 248, 47, 33, 4, 1, 255, 29, 250, 
-    140, 2, 248, 47, 33, 1, 226, 62, 33, 6, 1, 210, 75, 2, 251, 154, 33, 4, 
-    1, 210, 75, 2, 251, 154, 33, 6, 1, 235, 19, 2, 103, 33, 4, 1, 235, 19, 2, 
-    103, 33, 6, 1, 245, 183, 2, 217, 78, 33, 4, 1, 245, 183, 2, 217, 78, 33, 
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-    2, 217, 78, 33, 4, 1, 245, 159, 2, 217, 78, 33, 6, 1, 234, 133, 250, 139, 
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-    245, 168, 2, 217, 78, 33, 4, 1, 226, 62, 33, 6, 1, 116, 2, 251, 154, 33, 
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-    1, 221, 197, 33, 6, 1, 221, 198, 2, 248, 9, 33, 4, 1, 221, 198, 2, 248, 
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-    210, 95, 2, 248, 9, 33, 4, 1, 210, 95, 2, 248, 9, 33, 6, 1, 255, 29, 246, 
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-    1, 240, 161, 2, 231, 237, 33, 6, 1, 240, 161, 2, 248, 9, 33, 4, 1, 240, 
-    161, 2, 248, 9, 33, 6, 1, 144, 2, 248, 9, 33, 4, 1, 144, 2, 248, 9, 33, 
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-    248, 9, 33, 4, 1, 252, 142, 144, 2, 248, 9, 33, 6, 1, 160, 2, 248, 9, 33, 
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-    237, 33, 6, 1, 104, 2, 248, 9, 33, 4, 1, 104, 2, 248, 9, 33, 6, 1, 104, 
-    2, 52, 142, 33, 4, 1, 104, 2, 52, 142, 33, 6, 1, 250, 140, 2, 248, 9, 33, 
-    4, 1, 250, 140, 2, 248, 9, 33, 6, 1, 242, 244, 2, 248, 47, 33, 4, 1, 242, 
-    244, 2, 248, 47, 33, 6, 1, 211, 28, 2, 248, 9, 33, 4, 1, 211, 28, 2, 248, 
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-    105, 22, 103, 33, 6, 1, 242, 56, 2, 103, 33, 4, 1, 242, 56, 2, 103, 33, 
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-    98, 33, 4, 1, 234, 20, 248, 98, 33, 6, 1, 234, 20, 247, 170, 33, 4, 1, 
-    234, 20, 247, 170, 33, 6, 1, 234, 20, 210, 27, 33, 4, 1, 234, 20, 210, 
-    27, 33, 6, 1, 234, 20, 246, 38, 33, 4, 1, 234, 20, 246, 38, 33, 6, 1, 
-    234, 20, 232, 193, 33, 4, 1, 234, 20, 232, 193, 33, 6, 1, 234, 20, 228, 
-    183, 33, 4, 1, 234, 20, 228, 183, 33, 6, 1, 234, 20, 219, 111, 33, 4, 1, 
-    234, 20, 219, 111, 33, 6, 1, 234, 20, 216, 61, 33, 4, 1, 234, 20, 216, 
-    61, 33, 6, 1, 223, 52, 210, 94, 33, 4, 1, 223, 52, 210, 94, 33, 6, 1, 
-    245, 183, 2, 103, 33, 4, 1, 245, 183, 2, 103, 33, 6, 1, 233, 4, 33, 4, 1, 
-    233, 4, 33, 6, 1, 223, 42, 33, 4, 1, 223, 42, 33, 6, 1, 211, 92, 33, 4, 
-    1, 211, 92, 33, 6, 1, 224, 91, 33, 4, 1, 224, 91, 33, 6, 1, 212, 22, 33, 
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-    1, 245, 183, 2, 230, 229, 103, 33, 4, 1, 245, 183, 2, 230, 229, 103, 33, 
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-    33, 6, 1, 225, 225, 2, 248, 47, 33, 4, 1, 225, 225, 2, 248, 47, 33, 6, 1, 
-    220, 36, 2, 248, 47, 33, 4, 1, 220, 36, 2, 248, 47, 150, 6, 1, 253, 172, 
-    150, 6, 1, 252, 47, 150, 6, 1, 242, 210, 150, 6, 1, 248, 229, 150, 6, 1, 
-    245, 221, 150, 6, 1, 210, 116, 150, 6, 1, 245, 205, 150, 6, 1, 245, 73, 
-    150, 6, 1, 112, 150, 6, 1, 210, 74, 150, 6, 1, 235, 234, 150, 6, 1, 232, 
-    196, 150, 6, 1, 211, 160, 150, 6, 1, 251, 41, 150, 6, 1, 234, 171, 150, 
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-    134, 150, 6, 1, 231, 63, 150, 6, 1, 211, 8, 150, 6, 1, 228, 44, 150, 6, 
-    1, 220, 104, 150, 6, 1, 213, 138, 150, 6, 1, 250, 165, 150, 6, 1, 225, 
-    208, 150, 6, 1, 235, 116, 150, 6, 1, 205, 150, 6, 1, 221, 163, 150, 6, 1, 
-    213, 179, 150, 6, 1, 216, 63, 150, 6, 1, 223, 98, 150, 6, 1, 249, 246, 
-    150, 6, 1, 210, 249, 150, 6, 1, 225, 49, 150, 6, 1, 234, 182, 150, 6, 1, 
-    226, 226, 150, 6, 1, 244, 150, 150, 58, 1, 43, 163, 222, 236, 150, 254, 
-    65, 150, 245, 162, 79, 150, 245, 39, 79, 150, 249, 227, 150, 224, 16, 79, 
-    150, 255, 30, 79, 150, 4, 1, 253, 172, 150, 4, 1, 252, 47, 150, 4, 1, 
-    242, 210, 150, 4, 1, 248, 229, 150, 4, 1, 245, 221, 150, 4, 1, 210, 116, 
-    150, 4, 1, 245, 205, 150, 4, 1, 245, 73, 150, 4, 1, 112, 150, 4, 1, 210, 
-    74, 150, 4, 1, 235, 234, 150, 4, 1, 232, 196, 150, 4, 1, 211, 160, 150, 
-    4, 1, 251, 41, 150, 4, 1, 234, 171, 150, 4, 1, 241, 75, 150, 4, 1, 235, 
-    147, 150, 4, 1, 242, 253, 150, 4, 1, 250, 134, 150, 4, 1, 231, 63, 150, 
-    4, 1, 211, 8, 150, 4, 1, 228, 44, 150, 4, 1, 220, 104, 150, 4, 1, 213, 
-    138, 150, 4, 1, 250, 165, 150, 4, 1, 225, 208, 150, 4, 1, 235, 116, 150, 
-    4, 1, 205, 150, 4, 1, 221, 163, 150, 4, 1, 213, 179, 150, 4, 1, 216, 63, 
-    150, 4, 1, 223, 98, 150, 4, 1, 249, 246, 150, 4, 1, 210, 249, 150, 4, 1, 
-    225, 49, 150, 4, 1, 234, 182, 150, 4, 1, 226, 226, 150, 4, 1, 244, 150, 
-    150, 4, 27, 245, 222, 210, 249, 150, 243, 236, 218, 131, 150, 240, 175, 
-    150, 246, 103, 50, 94, 255, 24, 245, 65, 94, 255, 24, 221, 164, 94, 255, 
-    24, 220, 90, 94, 255, 24, 210, 104, 224, 74, 94, 255, 24, 210, 104, 243, 
-    132, 94, 255, 24, 216, 76, 94, 255, 24, 223, 50, 94, 255, 24, 210, 103, 
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-    255, 24, 243, 48, 94, 255, 24, 243, 49, 230, 74, 94, 255, 24, 243, 46, 
-    94, 255, 24, 224, 75, 226, 20, 94, 255, 24, 216, 254, 243, 63, 94, 255, 
-    24, 225, 230, 94, 255, 24, 253, 208, 242, 48, 94, 255, 24, 230, 84, 94, 
-    255, 24, 231, 213, 94, 255, 24, 231, 54, 94, 255, 24, 231, 55, 234, 183, 
-    94, 255, 24, 248, 171, 94, 255, 24, 224, 86, 94, 255, 24, 216, 254, 224, 
-    70, 94, 255, 24, 211, 30, 252, 48, 210, 230, 94, 255, 24, 226, 211, 94, 
-    255, 24, 236, 26, 94, 255, 24, 248, 78, 94, 255, 24, 210, 33, 94, 164, 
-    231, 148, 250, 43, 94, 225, 14, 220, 38, 94, 225, 14, 242, 1, 221, 164, 
-    94, 225, 14, 242, 1, 225, 243, 94, 225, 14, 242, 1, 224, 79, 94, 225, 14, 
-    241, 165, 94, 225, 14, 215, 177, 94, 225, 14, 221, 164, 94, 225, 14, 225, 
-    243, 94, 225, 14, 224, 79, 94, 225, 14, 241, 68, 94, 225, 14, 241, 69, 
-    242, 3, 31, 214, 3, 94, 225, 14, 224, 20, 94, 225, 14, 248, 216, 177, 
-    231, 176, 94, 225, 14, 231, 43, 94, 224, 144, 231, 173, 94, 225, 14, 223, 
-    172, 94, 224, 144, 225, 251, 94, 225, 14, 220, 23, 247, 128, 94, 225, 14, 
-    219, 161, 247, 128, 94, 224, 144, 219, 55, 225, 245, 94, 164, 214, 160, 
-    247, 128, 94, 164, 232, 114, 247, 128, 94, 224, 144, 227, 199, 242, 47, 
-    94, 225, 14, 224, 80, 224, 74, 94, 1, 254, 179, 94, 1, 252, 36, 94, 1, 
-    242, 208, 94, 1, 248, 197, 94, 1, 241, 245, 94, 1, 214, 3, 94, 1, 210, 
-    97, 94, 1, 241, 204, 94, 1, 216, 231, 94, 1, 210, 233, 94, 1, 40, 235, 0, 
-    94, 1, 235, 0, 94, 1, 233, 100, 94, 1, 40, 231, 70, 94, 1, 231, 70, 94, 
-    1, 40, 227, 198, 94, 1, 227, 198, 94, 1, 221, 251, 94, 1, 253, 170, 94, 
-    1, 40, 225, 224, 94, 1, 225, 224, 94, 1, 40, 215, 180, 94, 1, 215, 180, 
-    94, 1, 224, 42, 94, 1, 223, 70, 94, 1, 220, 22, 94, 1, 217, 39, 94, 27, 
-    211, 6, 52, 214, 3, 94, 27, 211, 6, 214, 4, 210, 233, 94, 27, 211, 6, 52, 
-    210, 233, 94, 224, 144, 243, 48, 94, 224, 144, 243, 46, 9, 54, 50, 9, 5, 
-    221, 244, 9, 244, 38, 231, 159, 9, 5, 222, 25, 9, 5, 221, 247, 254, 45, 
-    249, 117, 222, 195, 254, 45, 244, 12, 222, 195, 9, 223, 137, 254, 45, 
-    225, 186, 230, 198, 50, 254, 45, 225, 186, 216, 249, 216, 149, 50, 254, 
-    230, 50, 9, 249, 227, 9, 248, 158, 220, 139, 9, 225, 16, 213, 241, 50, 9, 
-    5, 230, 179, 9, 5, 222, 5, 254, 181, 212, 45, 9, 5, 254, 181, 253, 229, 
-    9, 5, 223, 170, 254, 180, 9, 5, 223, 178, 254, 161, 254, 112, 9, 5, 217, 
-    71, 9, 4, 125, 217, 81, 9, 4, 125, 27, 109, 2, 233, 109, 2, 211, 43, 9, 
-    4, 125, 210, 108, 9, 4, 244, 173, 9, 4, 248, 192, 9, 4, 234, 211, 9, 220, 
-    152, 9, 1, 79, 9, 215, 212, 59, 224, 144, 79, 9, 224, 16, 79, 9, 1, 234, 
-    215, 211, 43, 9, 1, 242, 26, 9, 1, 109, 2, 231, 233, 48, 9, 1, 109, 2, 
-    182, 48, 9, 1, 212, 31, 2, 182, 48, 9, 1, 109, 2, 182, 51, 9, 1, 77, 2, 
-    182, 48, 9, 1, 254, 179, 9, 1, 252, 62, 9, 1, 217, 9, 231, 169, 9, 1, 
-    217, 8, 9, 1, 216, 193, 9, 1, 235, 129, 9, 1, 242, 44, 9, 1, 234, 135, 9, 
-    1, 248, 203, 9, 1, 216, 203, 9, 1, 223, 98, 9, 1, 210, 108, 9, 1, 221, 
-    168, 9, 1, 220, 61, 9, 1, 222, 28, 9, 1, 248, 224, 9, 1, 217, 81, 9, 1, 
-    210, 111, 9, 1, 254, 205, 9, 1, 242, 251, 9, 1, 234, 181, 2, 113, 170, 
-    48, 9, 1, 234, 181, 2, 134, 170, 51, 9, 1, 244, 176, 77, 2, 235, 200, 
-    214, 105, 9, 1, 244, 176, 77, 2, 113, 170, 48, 9, 1, 244, 176, 77, 2, 
-    134, 170, 48, 9, 217, 44, 9, 1, 244, 150, 9, 1, 224, 84, 9, 1, 235, 0, 9, 
-    1, 233, 108, 9, 1, 231, 83, 9, 1, 228, 67, 9, 1, 241, 225, 9, 1, 212, 30, 
-    9, 1, 109, 231, 197, 9, 1, 211, 43, 9, 244, 171, 9, 248, 190, 9, 234, 
-    209, 9, 244, 173, 9, 248, 192, 9, 234, 211, 9, 220, 95, 9, 218, 46, 9, 
-    231, 231, 48, 9, 182, 48, 9, 182, 51, 9, 218, 66, 254, 179, 9, 235, 200, 
-    248, 192, 9, 164, 228, 68, 242, 225, 9, 209, 255, 9, 25, 5, 4, 214, 106, 
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-    248, 192, 9, 244, 174, 2, 113, 247, 126, 9, 212, 32, 182, 51, 254, 45, 
-    21, 210, 86, 254, 45, 21, 111, 254, 45, 21, 105, 254, 45, 21, 158, 254, 
-    45, 21, 161, 254, 45, 21, 190, 254, 45, 21, 195, 254, 45, 21, 199, 254, 
-    45, 21, 196, 254, 45, 21, 201, 9, 225, 185, 50, 9, 248, 91, 220, 139, 9, 
-    216, 147, 220, 139, 9, 244, 89, 225, 12, 218, 158, 9, 1, 247, 127, 252, 
-    62, 9, 1, 247, 127, 224, 84, 9, 1, 218, 24, 254, 179, 9, 1, 109, 212, 46, 
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-    125, 242, 26, 9, 1, 125, 182, 254, 179, 9, 1, 125, 182, 212, 30, 9, 1, 
-    104, 2, 182, 48, 9, 1, 125, 182, 211, 43, 9, 1, 215, 149, 9, 1, 215, 147, 
-    9, 1, 252, 72, 9, 1, 217, 9, 2, 222, 236, 9, 1, 217, 9, 2, 134, 170, 72, 
-    246, 111, 9, 1, 225, 208, 9, 1, 217, 6, 9, 1, 252, 60, 9, 1, 122, 2, 182, 
-    48, 9, 1, 122, 2, 113, 170, 67, 48, 9, 1, 227, 157, 9, 1, 246, 51, 9, 1, 
-    122, 2, 134, 170, 48, 9, 1, 217, 27, 9, 1, 217, 25, 9, 1, 248, 138, 9, 1, 
-    248, 204, 2, 222, 236, 9, 1, 248, 204, 2, 59, 51, 9, 1, 248, 204, 2, 59, 
-    252, 51, 22, 4, 217, 81, 9, 1, 248, 209, 9, 1, 248, 140, 9, 1, 246, 78, 
-    9, 1, 248, 204, 2, 134, 170, 72, 246, 111, 9, 1, 248, 204, 2, 244, 19, 
-    170, 48, 9, 1, 222, 173, 9, 1, 223, 99, 2, 4, 214, 105, 9, 1, 223, 99, 2, 
-    222, 236, 9, 1, 223, 99, 2, 59, 51, 9, 1, 223, 99, 2, 4, 214, 106, 51, 9, 
-    1, 223, 99, 2, 59, 252, 51, 22, 59, 48, 9, 1, 223, 99, 2, 113, 170, 48, 
-    9, 1, 235, 126, 9, 1, 223, 99, 2, 244, 19, 170, 48, 9, 1, 221, 169, 2, 
-    59, 252, 51, 22, 59, 48, 9, 1, 221, 169, 2, 134, 170, 51, 9, 1, 221, 169, 
-    2, 134, 170, 252, 51, 22, 134, 170, 48, 9, 1, 222, 29, 2, 113, 170, 51, 
-    9, 1, 222, 29, 2, 134, 170, 48, 9, 1, 217, 82, 2, 134, 170, 48, 9, 1, 
-    254, 206, 2, 134, 170, 48, 9, 1, 247, 127, 244, 150, 9, 1, 244, 151, 2, 
-    59, 230, 114, 51, 9, 1, 244, 151, 2, 59, 51, 9, 1, 213, 248, 9, 1, 244, 
-    151, 2, 134, 170, 51, 9, 1, 225, 206, 9, 1, 224, 85, 2, 59, 48, 9, 1, 
-    224, 85, 2, 134, 170, 48, 9, 1, 234, 180, 9, 1, 217, 251, 235, 0, 9, 1, 
-    235, 1, 2, 222, 236, 9, 1, 235, 1, 2, 59, 48, 9, 1, 229, 84, 9, 1, 235, 
-    1, 2, 134, 170, 51, 9, 1, 243, 129, 9, 1, 243, 130, 2, 222, 236, 9, 1, 
-    229, 7, 9, 1, 243, 130, 2, 113, 170, 51, 9, 1, 242, 108, 9, 1, 243, 130, 
-    2, 134, 170, 48, 9, 1, 233, 109, 2, 4, 214, 105, 9, 1, 233, 109, 2, 59, 
-    48, 9, 1, 233, 109, 2, 134, 170, 48, 9, 1, 233, 109, 2, 134, 170, 51, 9, 
-    1, 228, 68, 2, 59, 51, 9, 1, 228, 68, 242, 225, 9, 1, 222, 216, 9, 1, 
-    228, 68, 2, 222, 236, 9, 1, 228, 68, 2, 134, 170, 48, 9, 1, 241, 226, 
-    247, 149, 9, 1, 217, 28, 2, 59, 48, 9, 1, 241, 226, 2, 77, 48, 9, 1, 241, 
-    226, 242, 178, 9, 1, 241, 226, 242, 179, 2, 182, 48, 9, 1, 217, 9, 231, 
-    170, 242, 178, 9, 1, 212, 31, 2, 222, 236, 9, 1, 234, 79, 226, 238, 9, 1, 
-    226, 238, 9, 1, 69, 9, 1, 210, 212, 9, 1, 234, 79, 210, 212, 9, 1, 212, 
-    31, 2, 113, 170, 48, 9, 1, 213, 255, 9, 1, 244, 176, 211, 43, 9, 1, 77, 
-    2, 217, 78, 9, 1, 77, 2, 4, 214, 105, 9, 1, 212, 31, 2, 59, 48, 9, 1, 76, 
-    9, 1, 77, 2, 134, 170, 51, 9, 1, 77, 252, 140, 9, 1, 77, 252, 141, 2, 
-    182, 48, 9, 243, 236, 218, 131, 9, 1, 254, 252, 9, 4, 125, 27, 222, 29, 
-    2, 233, 109, 2, 109, 231, 197, 9, 4, 125, 27, 224, 85, 2, 233, 109, 2, 
-    109, 231, 197, 9, 4, 125, 66, 65, 17, 9, 4, 125, 233, 109, 254, 179, 9, 
-    4, 125, 235, 129, 9, 4, 125, 134, 247, 126, 9, 4, 125, 221, 168, 9, 245, 
-    151, 64, 253, 174, 9, 218, 154, 64, 222, 140, 245, 183, 241, 162, 9, 4, 
-    125, 222, 185, 210, 86, 9, 4, 125, 214, 159, 223, 118, 210, 86, 9, 4, 
-    125, 247, 127, 241, 243, 64, 234, 135, 9, 4, 125, 66, 53, 17, 9, 4, 121, 
-    221, 168, 9, 4, 125, 231, 232, 9, 4, 212, 30, 9, 4, 211, 43, 9, 4, 125, 
-    211, 43, 9, 4, 125, 228, 67, 9, 225, 44, 64, 222, 15, 9, 245, 160, 250, 
-    183, 121, 218, 131, 9, 245, 160, 250, 183, 125, 218, 131, 9, 222, 185, 
-    125, 218, 132, 2, 244, 112, 250, 182, 9, 4, 121, 231, 83, 9, 1, 248, 204, 
-    2, 235, 200, 214, 105, 9, 1, 223, 99, 2, 235, 200, 214, 105, 245, 30, 
-    254, 45, 21, 210, 86, 245, 30, 254, 45, 21, 111, 245, 30, 254, 45, 21, 
-    105, 245, 30, 254, 45, 21, 158, 245, 30, 254, 45, 21, 161, 245, 30, 254, 
-    45, 21, 190, 245, 30, 254, 45, 21, 195, 245, 30, 254, 45, 21, 199, 245, 
-    30, 254, 45, 21, 196, 245, 30, 254, 45, 21, 201, 9, 1, 220, 62, 2, 59, 
-    51, 9, 1, 248, 225, 2, 59, 51, 9, 1, 242, 252, 2, 59, 51, 9, 5, 219, 160, 
-    254, 134, 9, 5, 219, 160, 224, 238, 231, 63, 9, 1, 241, 226, 2, 235, 200, 
-    214, 105, 183, 245, 151, 64, 226, 18, 183, 218, 20, 243, 236, 218, 131, 
-    183, 218, 68, 243, 236, 218, 131, 183, 218, 20, 249, 234, 183, 218, 68, 
-    249, 234, 183, 203, 249, 234, 183, 249, 235, 219, 108, 233, 52, 183, 249, 
-    235, 219, 108, 222, 254, 183, 218, 20, 249, 235, 219, 108, 233, 52, 183, 
-    218, 68, 249, 235, 219, 108, 222, 254, 183, 249, 188, 183, 242, 8, 226, 
-    254, 183, 242, 8, 231, 41, 183, 242, 8, 253, 226, 183, 255, 30, 79, 183, 
-    1, 254, 183, 183, 1, 218, 24, 254, 183, 183, 1, 252, 33, 183, 1, 243, 
-    120, 183, 1, 243, 121, 243, 98, 183, 1, 248, 200, 183, 1, 247, 127, 248, 
-    201, 222, 232, 183, 1, 241, 245, 183, 1, 212, 30, 183, 1, 210, 108, 183, 
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-    199, 183, 1, 210, 200, 241, 245, 183, 1, 234, 231, 183, 1, 233, 107, 183, 
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-    183, 1, 76, 183, 1, 225, 224, 183, 1, 223, 52, 225, 224, 183, 1, 222, 26, 
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-    200, 4, 214, 106, 51, 9, 1, 252, 63, 2, 4, 214, 105, 9, 1, 122, 2, 113, 
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-    200, 4, 214, 106, 51, 9, 1, 223, 99, 2, 91, 9, 1, 221, 169, 2, 244, 19, 
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-    217, 82, 22, 113, 247, 126, 9, 1, 223, 99, 2, 4, 9, 1, 217, 82, 22, 113, 
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-    176, 77, 2, 245, 30, 254, 45, 21, 113, 48, 9, 1, 244, 176, 77, 2, 245, 
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-    244, 19, 51, 9, 1, 212, 31, 2, 245, 30, 254, 45, 21, 113, 48, 9, 1, 212, 
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-    254, 45, 21, 113, 48, 9, 1, 77, 252, 141, 2, 245, 30, 254, 45, 21, 134, 
-    48, 9, 1, 122, 2, 245, 30, 254, 45, 21, 244, 19, 51, 9, 1, 221, 169, 2, 
-    245, 30, 254, 45, 21, 244, 19, 48, 9, 1, 221, 169, 2, 235, 200, 214, 105, 
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-    216, 206, 1, 233, 1, 216, 206, 1, 235, 14, 216, 206, 1, 254, 168, 216, 
-    206, 1, 214, 25, 216, 206, 1, 231, 82, 216, 206, 1, 244, 202, 216, 206, 
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-    206, 1, 215, 156, 216, 206, 1, 241, 195, 216, 206, 1, 234, 137, 216, 206, 
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-    222, 32, 216, 206, 1, 248, 227, 216, 206, 1, 112, 216, 206, 1, 210, 23, 
-    216, 206, 1, 254, 202, 216, 206, 1, 242, 250, 216, 206, 1, 224, 88, 216, 
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-    206, 245, 224, 216, 206, 245, 24, 216, 206, 226, 251, 216, 206, 227, 3, 
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-    1, 78, 228, 142, 1, 248, 217, 228, 142, 1, 230, 30, 228, 142, 1, 252, 
-    199, 228, 142, 1, 191, 228, 142, 1, 217, 106, 228, 142, 1, 235, 147, 228, 
-    142, 1, 250, 165, 228, 142, 1, 248, 229, 228, 142, 1, 205, 228, 142, 1, 
-    222, 181, 228, 142, 1, 206, 228, 142, 1, 243, 86, 228, 142, 1, 244, 204, 
-    228, 142, 1, 176, 228, 142, 1, 233, 141, 228, 142, 1, 229, 234, 211, 223, 
-    228, 142, 1, 186, 228, 142, 1, 227, 169, 228, 142, 1, 198, 228, 142, 1, 
-    162, 228, 142, 1, 212, 65, 228, 142, 1, 192, 228, 142, 1, 227, 170, 211, 
-    223, 228, 142, 1, 235, 67, 235, 147, 228, 142, 1, 235, 67, 250, 165, 228, 
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-    142, 38, 200, 248, 46, 216, 31, 228, 142, 38, 200, 125, 216, 31, 228, 
-    142, 38, 200, 121, 216, 31, 228, 142, 38, 200, 222, 231, 216, 31, 228, 
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-    142, 16, 243, 85, 228, 142, 249, 227, 228, 142, 245, 39, 79, 228, 142, 
-    233, 114, 221, 254, 1, 254, 185, 221, 254, 1, 251, 236, 221, 254, 1, 243, 
-    119, 221, 254, 1, 248, 202, 221, 254, 1, 235, 158, 221, 254, 1, 252, 197, 
-    221, 254, 1, 210, 89, 221, 254, 1, 235, 166, 221, 254, 1, 216, 68, 221, 
-    254, 1, 210, 182, 221, 254, 1, 235, 15, 221, 254, 1, 233, 134, 221, 254, 
-    1, 230, 195, 221, 254, 1, 227, 198, 221, 254, 1, 219, 158, 221, 254, 1, 
-    236, 6, 221, 254, 1, 244, 129, 221, 254, 1, 215, 182, 221, 254, 1, 224, 
-    13, 221, 254, 1, 222, 232, 221, 254, 1, 220, 87, 221, 254, 1, 217, 101, 
-    221, 254, 164, 236, 6, 221, 254, 164, 236, 5, 221, 254, 164, 226, 247, 
-    221, 254, 164, 248, 215, 221, 254, 58, 1, 245, 113, 210, 182, 221, 254, 
-    164, 245, 113, 210, 182, 221, 254, 25, 5, 200, 76, 221, 254, 25, 5, 76, 
-    221, 254, 25, 5, 226, 122, 255, 82, 221, 254, 25, 5, 200, 255, 82, 221, 
-    254, 25, 5, 255, 82, 221, 254, 25, 5, 226, 122, 61, 221, 254, 25, 5, 200, 
-    61, 221, 254, 25, 5, 61, 221, 254, 58, 1, 219, 253, 61, 221, 254, 25, 5, 
-    219, 253, 61, 221, 254, 25, 5, 200, 69, 221, 254, 25, 5, 69, 221, 254, 
-    58, 1, 74, 221, 254, 25, 5, 200, 74, 221, 254, 25, 5, 74, 221, 254, 25, 
-    5, 78, 221, 254, 25, 5, 218, 46, 221, 254, 164, 229, 97, 221, 254, 224, 
-    144, 229, 97, 221, 254, 224, 144, 254, 227, 221, 254, 224, 144, 254, 122, 
-    221, 254, 224, 144, 252, 122, 221, 254, 224, 144, 253, 209, 221, 254, 
-    224, 144, 220, 10, 221, 254, 255, 30, 79, 221, 254, 224, 144, 231, 73, 
-    224, 48, 221, 254, 224, 144, 210, 31, 221, 254, 224, 144, 224, 48, 221, 
-    254, 224, 144, 210, 114, 221, 254, 224, 144, 215, 90, 221, 254, 224, 144, 
-    254, 17, 221, 254, 224, 144, 219, 55, 231, 150, 221, 254, 224, 144, 254, 
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-    231, 187, 1, 255, 8, 231, 187, 1, 254, 218, 231, 187, 1, 214, 124, 231, 
-    187, 1, 253, 168, 231, 187, 1, 235, 166, 231, 187, 1, 253, 206, 231, 187, 
-    1, 254, 190, 231, 187, 1, 254, 195, 231, 187, 1, 254, 187, 231, 187, 1, 
-    254, 144, 231, 187, 1, 254, 131, 231, 187, 1, 253, 245, 231, 187, 1, 236, 
-    6, 231, 187, 1, 254, 80, 231, 187, 1, 253, 216, 231, 187, 1, 254, 53, 
-    231, 187, 1, 254, 49, 231, 187, 1, 253, 239, 231, 187, 1, 253, 214, 231, 
-    187, 1, 246, 63, 231, 187, 1, 235, 8, 231, 187, 1, 254, 205, 231, 187, 
-    254, 231, 79, 231, 187, 213, 136, 79, 231, 187, 243, 60, 79, 231, 187, 
-    224, 143, 9, 1, 252, 63, 2, 4, 214, 106, 51, 9, 1, 151, 2, 113, 170, 48, 
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-    170, 48, 9, 1, 224, 85, 2, 59, 51, 9, 1, 233, 109, 2, 52, 130, 9, 1, 66, 
-    2, 134, 170, 48, 9, 1, 77, 2, 113, 170, 252, 51, 22, 182, 48, 9, 1, 77, 
-    2, 113, 170, 252, 51, 22, 59, 48, 9, 1, 223, 99, 2, 232, 129, 9, 1, 212, 
-    31, 2, 59, 211, 231, 9, 1, 222, 203, 211, 43, 9, 249, 107, 244, 173, 9, 
-    249, 107, 248, 192, 9, 249, 107, 234, 211, 9, 249, 107, 244, 171, 9, 249, 
-    107, 248, 190, 9, 249, 107, 234, 209, 9, 138, 123, 59, 48, 9, 138, 113, 
-    170, 48, 9, 138, 232, 130, 48, 9, 138, 123, 59, 51, 9, 138, 113, 170, 51, 
-    9, 138, 232, 130, 51, 9, 204, 244, 171, 9, 204, 248, 190, 9, 204, 234, 
-    209, 9, 4, 125, 212, 30, 9, 244, 174, 2, 222, 236, 9, 244, 174, 2, 59, 
-    48, 9, 234, 212, 2, 59, 51, 9, 43, 254, 2, 48, 9, 44, 254, 2, 48, 9, 43, 
-    254, 2, 51, 9, 44, 254, 2, 51, 9, 52, 44, 254, 2, 48, 9, 52, 44, 254, 2, 
-    72, 2, 247, 128, 9, 44, 254, 2, 72, 2, 247, 128, 9, 248, 193, 2, 247, 
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-    147, 84, 1, 219, 253, 61, 84, 1, 61, 84, 1, 255, 82, 84, 1, 74, 84, 1, 
-    236, 40, 84, 1, 69, 84, 1, 214, 118, 84, 1, 149, 153, 84, 1, 149, 156, 
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-    1, 251, 10, 78, 84, 1, 219, 253, 78, 84, 1, 78, 84, 1, 253, 200, 84, 1, 
-    176, 84, 1, 234, 138, 84, 1, 243, 142, 84, 1, 243, 0, 84, 1, 229, 82, 84, 
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-    227, 169, 84, 1, 215, 157, 84, 1, 215, 145, 84, 1, 248, 143, 84, 1, 248, 
-    127, 84, 1, 228, 115, 84, 1, 217, 106, 84, 1, 216, 209, 84, 1, 248, 229, 
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-    1, 222, 181, 84, 1, 233, 141, 84, 1, 232, 190, 84, 1, 232, 181, 84, 1, 
-    214, 27, 84, 1, 220, 104, 84, 1, 218, 225, 84, 1, 206, 84, 1, 162, 84, 
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-    25, 5, 214, 118, 84, 25, 5, 149, 153, 84, 25, 5, 149, 222, 182, 84, 25, 
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-    210, 84, 25, 5, 251, 10, 78, 84, 25, 5, 219, 253, 78, 84, 25, 5, 78, 84, 
-    25, 5, 253, 200, 84, 5, 213, 152, 84, 25, 5, 224, 188, 76, 84, 25, 5, 
-    253, 179, 84, 226, 208, 84, 218, 113, 5, 214, 216, 84, 218, 113, 5, 254, 
-    85, 84, 242, 144, 255, 23, 84, 255, 12, 255, 23, 84, 25, 5, 251, 10, 200, 
-    76, 84, 25, 5, 214, 214, 84, 25, 5, 214, 117, 84, 1, 224, 91, 84, 1, 234, 
-    121, 84, 1, 242, 233, 84, 1, 210, 116, 84, 1, 248, 132, 84, 1, 223, 42, 
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-    255, 30, 50, 84, 5, 125, 219, 19, 247, 128, 84, 1, 251, 10, 61, 84, 1, 
-    226, 238, 84, 1, 226, 185, 84, 1, 253, 179, 84, 1, 214, 214, 84, 1, 214, 
-    117, 84, 1, 210, 82, 84, 1, 114, 192, 84, 1, 243, 36, 84, 1, 235, 102, 
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-    1, 74, 146, 1, 236, 40, 146, 1, 69, 146, 1, 214, 118, 146, 1, 149, 153, 
-    146, 1, 149, 156, 146, 1, 76, 146, 1, 254, 210, 146, 1, 78, 146, 1, 253, 
-    200, 146, 1, 176, 146, 1, 234, 138, 146, 1, 243, 142, 146, 1, 243, 0, 
-    146, 1, 229, 82, 146, 1, 251, 41, 146, 1, 250, 165, 146, 1, 235, 147, 
-    146, 1, 235, 120, 146, 1, 227, 169, 146, 1, 215, 157, 146, 1, 215, 145, 
-    146, 1, 248, 143, 146, 1, 248, 127, 146, 1, 228, 115, 146, 1, 217, 106, 
-    146, 1, 216, 209, 146, 1, 248, 229, 146, 1, 248, 33, 146, 1, 198, 146, 1, 
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-    218, 225, 146, 1, 206, 146, 1, 162, 146, 5, 227, 209, 146, 5, 253, 183, 
-    146, 25, 5, 255, 82, 146, 25, 5, 74, 146, 25, 5, 236, 40, 146, 25, 5, 69, 
-    146, 25, 5, 214, 118, 146, 25, 5, 149, 153, 146, 25, 5, 149, 222, 182, 
-    146, 25, 5, 76, 146, 25, 5, 254, 210, 146, 25, 5, 78, 146, 25, 5, 253, 
-    200, 146, 5, 213, 152, 146, 1, 234, 130, 217, 106, 146, 253, 201, 233, 
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-    222, 182, 146, 1, 149, 232, 191, 146, 25, 5, 149, 156, 146, 25, 5, 149, 
-    232, 191, 146, 21, 210, 86, 146, 21, 111, 146, 21, 105, 146, 21, 158, 
-    146, 21, 161, 146, 21, 190, 146, 21, 195, 146, 21, 199, 146, 21, 196, 
-    146, 21, 201, 146, 1, 223, 191, 2, 230, 229, 248, 6, 146, 1, 223, 191, 2, 
-    232, 114, 248, 6, 146, 222, 120, 79, 146, 222, 120, 50, 146, 249, 106, 
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-    226, 187, 185, 1, 253, 200, 185, 1, 176, 185, 1, 234, 138, 185, 1, 243, 
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-    185, 1, 215, 145, 185, 1, 248, 143, 185, 1, 248, 127, 185, 1, 228, 115, 
-    185, 1, 217, 106, 185, 1, 216, 209, 185, 1, 248, 229, 185, 1, 248, 33, 
-    185, 1, 198, 185, 1, 191, 185, 1, 225, 150, 185, 1, 252, 199, 185, 1, 
-    252, 26, 185, 1, 186, 185, 1, 192, 185, 1, 205, 185, 1, 233, 141, 185, 1, 
-    232, 190, 185, 1, 214, 27, 185, 1, 220, 104, 185, 1, 206, 185, 1, 162, 
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-    40, 185, 25, 5, 69, 185, 25, 5, 214, 118, 185, 25, 5, 245, 217, 185, 25, 
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-    152, 185, 5, 214, 218, 185, 1, 234, 121, 185, 1, 242, 233, 185, 1, 210, 
-    116, 185, 1, 222, 181, 185, 1, 244, 204, 185, 21, 210, 86, 185, 21, 111, 
-    185, 21, 105, 185, 21, 158, 185, 21, 161, 185, 21, 190, 185, 21, 195, 
-    185, 21, 199, 185, 21, 196, 185, 21, 201, 185, 216, 75, 185, 255, 6, 185, 
-    235, 185, 185, 214, 146, 185, 245, 189, 226, 192, 185, 5, 211, 78, 171, 
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-    82, 171, 1, 74, 171, 1, 236, 40, 171, 1, 69, 171, 1, 214, 118, 171, 1, 
-    149, 153, 171, 1, 149, 156, 171, 25, 251, 10, 76, 171, 1, 76, 171, 1, 
-    254, 210, 171, 25, 251, 10, 78, 171, 1, 78, 171, 1, 253, 200, 171, 1, 
-    176, 171, 1, 234, 138, 171, 1, 243, 142, 171, 1, 243, 0, 171, 1, 229, 82, 
-    171, 1, 251, 41, 171, 1, 250, 165, 171, 1, 235, 147, 171, 1, 235, 120, 
-    171, 1, 227, 169, 171, 1, 215, 157, 171, 1, 215, 145, 171, 1, 248, 143, 
-    171, 1, 248, 127, 171, 1, 228, 115, 171, 1, 217, 106, 171, 1, 216, 209, 
-    171, 1, 248, 229, 171, 1, 248, 33, 171, 1, 198, 171, 1, 191, 171, 1, 225, 
-    150, 171, 1, 252, 199, 171, 1, 252, 26, 171, 1, 186, 171, 1, 192, 171, 1, 
-    205, 171, 1, 233, 141, 171, 1, 232, 190, 171, 1, 214, 27, 171, 1, 220, 
-    104, 171, 1, 218, 225, 171, 1, 206, 171, 1, 162, 171, 5, 227, 209, 171, 
-    5, 253, 183, 171, 25, 5, 255, 82, 171, 25, 5, 74, 171, 25, 5, 236, 40, 
-    171, 25, 5, 69, 171, 25, 5, 214, 118, 171, 25, 5, 149, 153, 171, 25, 5, 
-    149, 222, 182, 171, 25, 5, 251, 10, 76, 171, 25, 5, 76, 171, 25, 5, 254, 
-    210, 171, 25, 5, 251, 10, 78, 171, 25, 5, 78, 171, 25, 5, 253, 200, 171, 
-    5, 213, 152, 171, 226, 208, 171, 1, 149, 222, 182, 171, 1, 149, 232, 191, 
-    171, 25, 5, 149, 156, 171, 25, 5, 149, 232, 191, 171, 21, 210, 86, 171, 
-    21, 111, 171, 21, 105, 171, 21, 158, 171, 21, 161, 171, 21, 190, 171, 21, 
-    195, 171, 21, 199, 171, 21, 196, 171, 21, 201, 171, 255, 30, 50, 171, 
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-    129, 25, 5, 78, 251, 129, 25, 5, 254, 252, 251, 129, 226, 64, 251, 129, 
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-    121, 225, 150, 39, 89, 1, 186, 39, 89, 1, 121, 192, 39, 89, 1, 125, 192, 
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-    89, 1, 69, 39, 89, 1, 214, 118, 39, 89, 1, 245, 217, 39, 89, 1, 226, 187, 
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-    39, 89, 25, 5, 255, 82, 39, 89, 25, 5, 217, 65, 255, 82, 39, 89, 25, 5, 
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-    117, 39, 89, 25, 5, 69, 39, 89, 25, 5, 214, 118, 39, 89, 25, 5, 78, 39, 
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-    89, 25, 5, 254, 252, 39, 89, 25, 5, 226, 187, 39, 89, 25, 5, 254, 210, 
-    39, 89, 25, 5, 89, 254, 210, 39, 89, 25, 5, 227, 5, 48, 39, 89, 5, 231, 
-    209, 234, 236, 39, 89, 5, 216, 30, 39, 89, 5, 216, 29, 39, 89, 5, 234, 
-    103, 216, 28, 39, 89, 5, 234, 103, 216, 27, 39, 89, 5, 234, 103, 216, 26, 
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-    210, 86, 39, 89, 241, 53, 21, 111, 39, 89, 241, 53, 21, 105, 39, 89, 241, 
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-    241, 53, 21, 195, 39, 89, 241, 53, 21, 199, 39, 89, 241, 53, 21, 196, 39, 
-    89, 241, 53, 21, 201, 39, 89, 89, 21, 210, 86, 39, 89, 89, 21, 111, 39, 
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-    21, 190, 39, 89, 89, 21, 195, 39, 89, 89, 21, 199, 39, 89, 89, 21, 196, 
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-    39, 89, 5, 223, 52, 222, 189, 223, 152, 39, 89, 5, 231, 209, 211, 72, 39, 
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-    223, 39, 89, 5, 242, 16, 39, 89, 5, 251, 38, 102, 5, 214, 200, 223, 33, 
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-    233, 30, 102, 1, 233, 142, 233, 31, 217, 14, 102, 1, 245, 187, 102, 1, 
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-    222, 36, 221, 235, 102, 1, 206, 102, 1, 162, 102, 5, 223, 73, 102, 25, 5, 
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-    25, 5, 234, 218, 78, 252, 128, 25, 5, 69, 252, 128, 25, 5, 104, 31, 219, 
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-    252, 128, 16, 251, 249, 225, 67, 252, 128, 16, 251, 249, 235, 54, 252, 
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-    1, 225, 45, 197, 1, 225, 150, 197, 1, 244, 204, 197, 1, 244, 83, 197, 1, 
-    252, 199, 197, 1, 251, 230, 197, 1, 186, 197, 1, 230, 173, 197, 1, 215, 
-    184, 197, 1, 215, 176, 197, 1, 246, 46, 197, 1, 192, 197, 1, 205, 197, 1, 
-    233, 141, 197, 1, 162, 197, 1, 241, 160, 197, 1, 214, 27, 197, 1, 206, 
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-    218, 74, 1, 205, 197, 25, 5, 255, 82, 197, 25, 5, 74, 197, 25, 5, 78, 
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-    76, 197, 117, 5, 235, 29, 197, 117, 5, 194, 197, 117, 5, 156, 197, 117, 
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-    153, 197, 117, 5, 227, 146, 197, 117, 5, 234, 236, 197, 5, 223, 153, 197, 
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-    217, 104, 197, 224, 144, 250, 172, 197, 224, 144, 215, 171, 250, 172, 
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-    197, 21, 158, 197, 21, 161, 197, 21, 190, 197, 21, 195, 197, 21, 199, 
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-    248, 143, 226, 214, 250, 111, 21, 210, 86, 226, 214, 250, 111, 21, 111, 
-    226, 214, 250, 111, 21, 105, 226, 214, 250, 111, 21, 158, 226, 214, 250, 
-    111, 21, 161, 226, 214, 250, 111, 21, 190, 226, 214, 250, 111, 21, 195, 
-    226, 214, 250, 111, 21, 199, 226, 214, 250, 111, 21, 196, 226, 214, 250, 
-    111, 21, 201, 226, 214, 250, 111, 1, 233, 141, 226, 214, 250, 111, 1, 
-    253, 214, 226, 214, 250, 111, 1, 254, 225, 226, 214, 250, 111, 1, 254, 
-    123, 226, 214, 250, 111, 1, 254, 187, 226, 214, 250, 111, 1, 233, 140, 
-    226, 214, 250, 111, 1, 255, 44, 226, 214, 250, 111, 1, 255, 45, 226, 214, 
-    250, 111, 1, 255, 43, 226, 214, 250, 111, 1, 255, 38, 226, 214, 250, 111, 
-    1, 232, 247, 226, 214, 250, 111, 1, 235, 178, 226, 214, 250, 111, 1, 236, 
-    41, 226, 214, 250, 111, 1, 235, 197, 226, 214, 250, 111, 1, 235, 186, 
-    226, 214, 250, 111, 1, 232, 103, 226, 214, 250, 111, 1, 214, 221, 226, 
-    214, 250, 111, 1, 214, 219, 226, 214, 250, 111, 1, 214, 168, 226, 214, 
-    250, 111, 1, 214, 111, 226, 214, 250, 111, 1, 233, 64, 226, 214, 250, 
-    111, 1, 245, 116, 226, 214, 250, 111, 1, 245, 220, 226, 214, 250, 111, 1, 
-    245, 158, 226, 214, 250, 111, 1, 245, 94, 226, 214, 250, 111, 1, 232, 
-    162, 226, 214, 250, 111, 1, 226, 141, 226, 214, 250, 111, 1, 227, 0, 226, 
-    214, 250, 111, 1, 226, 129, 226, 214, 250, 111, 1, 226, 226, 226, 214, 
-    250, 111, 230, 108, 215, 122, 226, 214, 250, 111, 243, 137, 215, 123, 
-    226, 214, 250, 111, 230, 106, 215, 123, 226, 214, 250, 111, 223, 95, 226, 
-    214, 250, 111, 225, 148, 226, 214, 250, 111, 254, 217, 226, 214, 250, 
-    111, 224, 144, 230, 103, 226, 214, 250, 111, 224, 144, 52, 230, 103, 207, 
-    224, 144, 251, 249, 218, 9, 207, 224, 144, 251, 249, 226, 42, 207, 224, 
-    144, 251, 249, 224, 132, 207, 224, 144, 251, 249, 251, 27, 207, 224, 144, 
-    251, 249, 233, 14, 221, 227, 207, 224, 144, 251, 249, 235, 19, 221, 227, 
-    207, 224, 144, 251, 249, 248, 230, 221, 227, 207, 224, 144, 251, 249, 
-    252, 200, 221, 227, 213, 252, 138, 234, 216, 213, 252, 138, 220, 79, 213, 
-    252, 138, 224, 201, 213, 252, 5, 228, 214, 213, 252, 5, 211, 80, 230, 
-    227, 218, 1, 213, 252, 138, 211, 80, 254, 222, 235, 250, 218, 1, 213, 
-    252, 138, 211, 80, 235, 250, 218, 1, 213, 252, 138, 211, 80, 234, 204, 
-    235, 250, 218, 1, 213, 252, 138, 251, 10, 51, 213, 252, 138, 211, 80, 
-    234, 204, 235, 250, 218, 2, 221, 199, 213, 252, 138, 52, 218, 1, 213, 
-    252, 138, 215, 212, 218, 1, 213, 252, 138, 234, 204, 254, 85, 213, 252, 
-    138, 59, 51, 213, 252, 138, 113, 170, 51, 213, 252, 138, 134, 170, 51, 
-    213, 252, 138, 222, 243, 234, 215, 235, 250, 218, 1, 213, 252, 138, 253, 
-    212, 235, 250, 218, 1, 213, 252, 5, 213, 148, 218, 1, 213, 252, 5, 213, 
-    148, 214, 216, 213, 252, 5, 223, 52, 213, 148, 214, 216, 213, 252, 5, 
-    213, 148, 254, 85, 213, 252, 5, 223, 52, 213, 148, 254, 85, 213, 252, 5, 
-    213, 148, 214, 217, 2, 217, 78, 213, 252, 5, 213, 148, 254, 86, 2, 217, 
-    78, 213, 252, 5, 254, 84, 254, 99, 213, 252, 5, 254, 84, 252, 174, 213, 
-    252, 5, 254, 84, 214, 20, 213, 252, 5, 254, 84, 214, 21, 2, 217, 78, 213, 
-    252, 5, 216, 69, 213, 252, 5, 241, 198, 200, 254, 83, 213, 252, 5, 200, 
-    254, 83, 213, 252, 5, 222, 144, 200, 254, 83, 213, 252, 5, 254, 84, 214, 
-    223, 230, 95, 213, 252, 5, 254, 28, 213, 252, 5, 222, 189, 254, 28, 213, 
-    252, 138, 251, 10, 48, 213, 252, 5, 235, 108, 213, 252, 5, 214, 161, 7, 
-    1, 4, 6, 61, 7, 1, 4, 6, 254, 252, 7, 4, 1, 215, 94, 254, 252, 7, 1, 4, 
-    6, 252, 142, 253, 166, 7, 1, 4, 6, 251, 74, 7, 1, 4, 6, 249, 68, 7, 1, 4, 
-    6, 245, 67, 7, 1, 4, 6, 76, 7, 4, 1, 215, 94, 204, 76, 7, 4, 1, 215, 94, 
-    74, 7, 1, 4, 6, 235, 150, 7, 1, 4, 6, 235, 29, 7, 1, 4, 6, 233, 155, 2, 
-    91, 7, 1, 4, 6, 194, 7, 1, 4, 6, 223, 52, 230, 30, 7, 1, 4, 6, 78, 7, 1, 
-    4, 6, 204, 78, 7, 4, 1, 219, 189, 78, 7, 4, 1, 219, 189, 204, 78, 7, 4, 
-    1, 219, 189, 144, 2, 91, 7, 4, 1, 215, 94, 226, 238, 7, 1, 4, 6, 226, 
-    138, 7, 4, 1, 216, 15, 163, 78, 7, 4, 1, 251, 183, 163, 78, 7, 1, 4, 6, 
-    226, 109, 7, 1, 4, 6, 223, 52, 153, 7, 1, 4, 6, 215, 94, 153, 7, 1, 4, 6, 
-    217, 153, 7, 1, 4, 6, 69, 7, 4, 1, 219, 189, 69, 7, 4, 1, 219, 189, 248, 
-    8, 69, 7, 4, 1, 219, 189, 215, 94, 194, 7, 1, 4, 6, 214, 105, 7, 1, 4, 6, 
-    212, 98, 7, 1, 4, 6, 210, 159, 7, 1, 4, 6, 245, 16, 7, 1, 213, 135, 233, 
-    88, 218, 252, 7, 1, 254, 205, 26, 1, 4, 6, 243, 114, 26, 1, 4, 6, 233, 
-    104, 26, 1, 4, 6, 225, 111, 26, 1, 4, 6, 223, 40, 26, 1, 4, 6, 224, 164, 
-    33, 1, 4, 6, 245, 182, 58, 1, 6, 61, 58, 1, 6, 254, 252, 58, 1, 6, 253, 
-    166, 58, 1, 6, 252, 142, 253, 166, 58, 1, 6, 249, 68, 58, 1, 6, 76, 58, 
-    1, 6, 223, 52, 76, 58, 1, 6, 243, 209, 58, 1, 6, 242, 67, 58, 1, 6, 74, 
-    58, 1, 6, 235, 150, 58, 1, 6, 235, 29, 58, 1, 6, 156, 58, 1, 6, 194, 58, 
-    1, 6, 230, 30, 58, 1, 6, 223, 52, 230, 30, 58, 1, 6, 78, 58, 1, 6, 226, 
-    138, 58, 1, 6, 226, 109, 58, 1, 6, 153, 58, 1, 6, 217, 153, 58, 1, 6, 69, 
-    58, 1, 6, 212, 98, 58, 1, 4, 61, 58, 1, 4, 215, 94, 61, 58, 1, 4, 254, 
-    151, 58, 1, 4, 215, 94, 254, 252, 58, 1, 4, 253, 166, 58, 1, 4, 249, 68, 
-    58, 1, 4, 76, 58, 1, 4, 221, 197, 58, 1, 4, 204, 76, 58, 1, 4, 215, 94, 
-    204, 76, 58, 1, 4, 243, 209, 58, 1, 4, 215, 94, 74, 58, 1, 4, 235, 29, 
-    58, 1, 4, 194, 58, 1, 4, 245, 146, 58, 1, 4, 78, 58, 1, 4, 204, 78, 58, 
-    1, 4, 216, 15, 163, 78, 58, 1, 4, 251, 183, 163, 78, 58, 1, 4, 226, 109, 
-    58, 1, 4, 217, 153, 58, 1, 4, 69, 58, 1, 4, 219, 189, 69, 58, 1, 4, 215, 
-    94, 194, 58, 1, 4, 214, 105, 58, 1, 4, 254, 205, 58, 1, 4, 252, 34, 58, 
-    1, 4, 26, 243, 114, 58, 1, 4, 248, 62, 58, 1, 4, 26, 225, 136, 58, 1, 4, 
-    250, 118, 7, 218, 66, 4, 1, 74, 7, 218, 66, 4, 1, 153, 7, 218, 66, 4, 1, 
-    69, 7, 218, 66, 4, 1, 214, 105, 26, 218, 66, 4, 1, 252, 34, 26, 218, 66, 
-    4, 1, 243, 114, 26, 218, 66, 4, 1, 223, 40, 26, 218, 66, 4, 1, 225, 136, 
-    26, 218, 66, 4, 1, 250, 118, 7, 4, 1, 214, 214, 7, 4, 1, 57, 2, 230, 229, 
-    184, 7, 4, 1, 249, 69, 2, 230, 229, 184, 7, 4, 1, 245, 15, 2, 230, 229, 
-    184, 7, 4, 1, 232, 55, 2, 230, 229, 184, 7, 4, 1, 230, 31, 2, 230, 229, 
-    184, 7, 4, 1, 226, 110, 2, 230, 229, 184, 7, 4, 1, 223, 227, 2, 230, 229, 
-    184, 7, 4, 1, 223, 227, 2, 244, 96, 22, 230, 229, 184, 7, 4, 1, 222, 94, 
-    2, 230, 229, 184, 7, 4, 1, 217, 154, 2, 230, 229, 184, 7, 4, 1, 210, 160, 
-    2, 230, 229, 184, 7, 4, 1, 215, 94, 243, 209, 58, 1, 33, 245, 158, 7, 4, 
-    1, 235, 220, 243, 209, 7, 4, 1, 216, 212, 2, 218, 109, 7, 4, 6, 1, 240, 
-    161, 2, 91, 7, 4, 1, 235, 193, 2, 91, 7, 4, 1, 226, 110, 2, 91, 7, 4, 6, 
-    1, 104, 2, 91, 7, 4, 1, 214, 158, 2, 91, 7, 4, 1, 57, 2, 226, 70, 103, 7, 
-    4, 1, 249, 69, 2, 226, 70, 103, 7, 4, 1, 245, 15, 2, 226, 70, 103, 7, 4, 
-    1, 243, 210, 2, 226, 70, 103, 7, 4, 1, 235, 30, 2, 226, 70, 103, 7, 4, 1, 
-    233, 155, 2, 226, 70, 103, 7, 4, 1, 232, 55, 2, 226, 70, 103, 7, 4, 1, 
-    230, 31, 2, 226, 70, 103, 7, 4, 1, 226, 110, 2, 226, 70, 103, 7, 4, 1, 
-    223, 227, 2, 226, 70, 103, 7, 4, 1, 222, 94, 2, 226, 70, 103, 7, 4, 1, 
-    245, 84, 2, 226, 70, 103, 7, 4, 1, 214, 106, 2, 226, 70, 103, 7, 4, 1, 
-    211, 179, 2, 226, 70, 103, 7, 4, 1, 210, 160, 2, 226, 70, 103, 7, 4, 1, 
-    116, 2, 223, 58, 103, 7, 4, 1, 254, 152, 2, 223, 58, 103, 7, 4, 1, 249, 
-    69, 2, 241, 59, 22, 217, 78, 7, 4, 1, 160, 2, 223, 58, 103, 7, 4, 1, 204, 
-    160, 2, 223, 58, 103, 7, 4, 1, 223, 52, 204, 160, 2, 223, 58, 103, 7, 4, 
-    1, 221, 198, 2, 223, 58, 103, 7, 4, 1, 240, 161, 2, 223, 58, 103, 7, 4, 
-    1, 204, 144, 2, 223, 58, 103, 7, 4, 1, 245, 84, 2, 223, 58, 103, 7, 4, 1, 
-    104, 2, 223, 58, 103, 7, 4, 1, 245, 17, 2, 223, 58, 103, 58, 1, 4, 215, 
-    94, 254, 151, 58, 1, 4, 251, 74, 58, 1, 4, 251, 75, 2, 249, 108, 58, 1, 
-    4, 245, 67, 58, 1, 4, 223, 52, 204, 76, 58, 1, 4, 245, 14, 58, 1, 4, 247, 
-    127, 235, 151, 2, 91, 58, 1, 4, 119, 243, 209, 58, 1, 4, 215, 94, 242, 
-    67, 58, 1, 4, 240, 161, 2, 91, 58, 1, 4, 235, 192, 58, 1, 4, 6, 74, 58, 
-    1, 4, 6, 240, 161, 2, 91, 58, 1, 4, 235, 151, 2, 249, 135, 58, 1, 4, 233, 
-    155, 2, 223, 58, 103, 58, 1, 4, 233, 155, 2, 226, 70, 103, 58, 1, 4, 6, 
-    156, 58, 1, 4, 232, 55, 2, 103, 58, 1, 4, 215, 94, 232, 55, 2, 200, 233, 
-    42, 58, 1, 4, 230, 31, 2, 43, 103, 58, 1, 4, 230, 31, 2, 223, 58, 103, 
-    58, 1, 4, 6, 230, 30, 58, 1, 4, 252, 142, 78, 58, 1, 4, 225, 136, 58, 1, 
-    4, 222, 94, 2, 103, 58, 1, 4, 245, 83, 58, 1, 4, 217, 154, 2, 226, 70, 
-    103, 58, 1, 4, 104, 130, 58, 1, 4, 214, 157, 58, 1, 4, 6, 69, 58, 1, 4, 
-    214, 106, 2, 103, 58, 1, 4, 215, 94, 214, 105, 58, 1, 4, 210, 159, 58, 1, 
-    4, 210, 160, 2, 223, 58, 103, 58, 1, 4, 210, 160, 2, 249, 108, 58, 1, 4, 
-    245, 16, 58, 1, 4, 216, 180, 38, 246, 126, 242, 144, 255, 23, 38, 246, 
-    126, 255, 12, 255, 23, 38, 219, 71, 51, 38, 218, 7, 79, 38, 231, 236, 38, 
-    242, 141, 38, 231, 234, 38, 255, 10, 38, 242, 142, 38, 255, 11, 38, 7, 4, 
-    1, 223, 227, 51, 38, 251, 153, 38, 231, 235, 38, 52, 250, 39, 48, 38, 
-    226, 229, 48, 38, 210, 35, 51, 38, 235, 179, 51, 38, 214, 151, 48, 38, 
-    214, 134, 48, 38, 7, 4, 1, 244, 71, 204, 116, 48, 38, 7, 4, 1, 254, 252, 
-    38, 7, 4, 1, 254, 81, 38, 7, 4, 1, 253, 184, 38, 7, 4, 1, 251, 75, 250, 
-    191, 38, 7, 4, 1, 235, 220, 249, 68, 38, 7, 4, 1, 245, 67, 38, 7, 4, 1, 
-    243, 209, 38, 7, 1, 4, 6, 243, 209, 38, 7, 4, 1, 235, 29, 38, 7, 4, 1, 
-    156, 38, 7, 1, 4, 6, 156, 38, 7, 1, 4, 6, 194, 38, 7, 4, 1, 230, 30, 38, 
-    7, 1, 4, 6, 230, 30, 38, 7, 1, 4, 6, 153, 38, 7, 4, 1, 223, 227, 222, 
-    188, 38, 7, 4, 1, 222, 93, 38, 7, 4, 1, 200, 222, 93, 38, 7, 4, 1, 210, 
-    159, 38, 52, 235, 200, 251, 155, 51, 38, 254, 156, 128, 216, 43, 51, 38, 
-    43, 254, 2, 48, 38, 44, 254, 2, 22, 124, 254, 2, 51, 7, 6, 1, 116, 2, 
-    222, 237, 51, 7, 4, 1, 116, 2, 222, 237, 51, 7, 6, 1, 57, 2, 59, 48, 7, 
-    4, 1, 57, 2, 59, 48, 7, 6, 1, 57, 2, 59, 51, 7, 4, 1, 57, 2, 59, 51, 7, 
-    6, 1, 57, 2, 232, 220, 51, 7, 4, 1, 57, 2, 232, 220, 51, 7, 6, 1, 251, 
-    75, 2, 250, 192, 22, 142, 7, 4, 1, 251, 75, 2, 250, 192, 22, 142, 7, 6, 
-    1, 249, 69, 2, 59, 48, 7, 4, 1, 249, 69, 2, 59, 48, 7, 6, 1, 249, 69, 2, 
-    59, 51, 7, 4, 1, 249, 69, 2, 59, 51, 7, 6, 1, 249, 69, 2, 232, 220, 51, 
-    7, 4, 1, 249, 69, 2, 232, 220, 51, 7, 6, 1, 249, 69, 2, 250, 191, 7, 4, 
-    1, 249, 69, 2, 250, 191, 7, 6, 1, 249, 69, 2, 250, 39, 51, 7, 4, 1, 249, 
-    69, 2, 250, 39, 51, 7, 6, 1, 160, 2, 231, 238, 22, 242, 143, 7, 4, 1, 
-    160, 2, 231, 238, 22, 242, 143, 7, 6, 1, 160, 2, 231, 238, 22, 142, 7, 4, 
-    1, 160, 2, 231, 238, 22, 142, 7, 6, 1, 160, 2, 250, 39, 51, 7, 4, 1, 160, 
-    2, 250, 39, 51, 7, 6, 1, 160, 2, 216, 90, 51, 7, 4, 1, 160, 2, 216, 90, 
-    51, 7, 6, 1, 160, 2, 250, 192, 22, 251, 154, 7, 4, 1, 160, 2, 250, 192, 
-    22, 251, 154, 7, 6, 1, 245, 15, 2, 59, 48, 7, 4, 1, 245, 15, 2, 59, 48, 
-    7, 6, 1, 243, 210, 2, 231, 237, 7, 4, 1, 243, 210, 2, 231, 237, 7, 6, 1, 
-    242, 68, 2, 59, 48, 7, 4, 1, 242, 68, 2, 59, 48, 7, 6, 1, 242, 68, 2, 59, 
-    51, 7, 4, 1, 242, 68, 2, 59, 51, 7, 6, 1, 242, 68, 2, 248, 9, 7, 4, 1, 
-    242, 68, 2, 248, 9, 7, 6, 1, 242, 68, 2, 250, 191, 7, 4, 1, 242, 68, 2, 
-    250, 191, 7, 6, 1, 242, 68, 2, 251, 155, 51, 7, 4, 1, 242, 68, 2, 251, 
-    155, 51, 7, 6, 1, 240, 161, 2, 216, 90, 51, 7, 4, 1, 240, 161, 2, 216, 
-    90, 51, 7, 6, 1, 240, 161, 2, 248, 10, 22, 142, 7, 4, 1, 240, 161, 2, 
-    248, 10, 22, 142, 7, 6, 1, 235, 30, 2, 142, 7, 4, 1, 235, 30, 2, 142, 7, 
-    6, 1, 235, 30, 2, 59, 51, 7, 4, 1, 235, 30, 2, 59, 51, 7, 6, 1, 235, 30, 
-    2, 232, 220, 51, 7, 4, 1, 235, 30, 2, 232, 220, 51, 7, 6, 1, 233, 155, 2, 
-    59, 51, 7, 4, 1, 233, 155, 2, 59, 51, 7, 6, 1, 233, 155, 2, 59, 252, 51, 
-    22, 231, 237, 7, 4, 1, 233, 155, 2, 59, 252, 51, 22, 231, 237, 7, 6, 1, 
-    233, 155, 2, 232, 220, 51, 7, 4, 1, 233, 155, 2, 232, 220, 51, 7, 6, 1, 
-    233, 155, 2, 250, 39, 51, 7, 4, 1, 233, 155, 2, 250, 39, 51, 7, 6, 1, 
-    232, 55, 2, 142, 7, 4, 1, 232, 55, 2, 142, 7, 6, 1, 232, 55, 2, 59, 48, 
-    7, 4, 1, 232, 55, 2, 59, 48, 7, 6, 1, 232, 55, 2, 59, 51, 7, 4, 1, 232, 
-    55, 2, 59, 51, 7, 6, 1, 230, 31, 2, 59, 48, 7, 4, 1, 230, 31, 2, 59, 48, 
-    7, 6, 1, 230, 31, 2, 59, 51, 7, 4, 1, 230, 31, 2, 59, 51, 7, 6, 1, 230, 
-    31, 2, 232, 220, 51, 7, 4, 1, 230, 31, 2, 232, 220, 51, 7, 6, 1, 230, 31, 
-    2, 250, 39, 51, 7, 4, 1, 230, 31, 2, 250, 39, 51, 7, 6, 1, 144, 2, 216, 
-    90, 22, 142, 7, 4, 1, 144, 2, 216, 90, 22, 142, 7, 6, 1, 144, 2, 216, 90, 
-    22, 248, 9, 7, 4, 1, 144, 2, 216, 90, 22, 248, 9, 7, 6, 1, 144, 2, 231, 
-    238, 22, 242, 143, 7, 4, 1, 144, 2, 231, 238, 22, 242, 143, 7, 6, 1, 144, 
-    2, 231, 238, 22, 142, 7, 4, 1, 144, 2, 231, 238, 22, 142, 7, 6, 1, 226, 
-    110, 2, 142, 7, 4, 1, 226, 110, 2, 142, 7, 6, 1, 226, 110, 2, 59, 48, 7, 
-    4, 1, 226, 110, 2, 59, 48, 7, 6, 1, 223, 227, 2, 59, 48, 7, 4, 1, 223, 
-    227, 2, 59, 48, 7, 6, 1, 223, 227, 2, 59, 51, 7, 4, 1, 223, 227, 2, 59, 
-    51, 7, 6, 1, 223, 227, 2, 59, 252, 51, 22, 231, 237, 7, 4, 1, 223, 227, 
-    2, 59, 252, 51, 22, 231, 237, 7, 6, 1, 223, 227, 2, 232, 220, 51, 7, 4, 
-    1, 223, 227, 2, 232, 220, 51, 7, 6, 1, 222, 94, 2, 59, 48, 7, 4, 1, 222, 
-    94, 2, 59, 48, 7, 6, 1, 222, 94, 2, 59, 51, 7, 4, 1, 222, 94, 2, 59, 51, 
-    7, 6, 1, 222, 94, 2, 255, 12, 22, 59, 48, 7, 4, 1, 222, 94, 2, 255, 12, 
-    22, 59, 48, 7, 6, 1, 222, 94, 2, 250, 243, 22, 59, 48, 7, 4, 1, 222, 94, 
-    2, 250, 243, 22, 59, 48, 7, 6, 1, 222, 94, 2, 59, 252, 51, 22, 59, 48, 7, 
-    4, 1, 222, 94, 2, 59, 252, 51, 22, 59, 48, 7, 6, 1, 217, 154, 2, 59, 48, 
-    7, 4, 1, 217, 154, 2, 59, 48, 7, 6, 1, 217, 154, 2, 59, 51, 7, 4, 1, 217, 
-    154, 2, 59, 51, 7, 6, 1, 217, 154, 2, 232, 220, 51, 7, 4, 1, 217, 154, 2, 
-    232, 220, 51, 7, 6, 1, 217, 154, 2, 250, 39, 51, 7, 4, 1, 217, 154, 2, 
-    250, 39, 51, 7, 6, 1, 104, 2, 248, 10, 51, 7, 4, 1, 104, 2, 248, 10, 51, 
-    7, 6, 1, 104, 2, 216, 90, 51, 7, 4, 1, 104, 2, 216, 90, 51, 7, 6, 1, 104, 
-    2, 250, 39, 51, 7, 4, 1, 104, 2, 250, 39, 51, 7, 6, 1, 104, 2, 216, 90, 
-    22, 142, 7, 4, 1, 104, 2, 216, 90, 22, 142, 7, 6, 1, 104, 2, 231, 238, 
-    22, 248, 9, 7, 4, 1, 104, 2, 231, 238, 22, 248, 9, 7, 6, 1, 214, 106, 2, 
-    184, 7, 4, 1, 214, 106, 2, 184, 7, 6, 1, 214, 106, 2, 59, 51, 7, 4, 1, 
-    214, 106, 2, 59, 51, 7, 6, 1, 212, 99, 2, 242, 143, 7, 4, 1, 212, 99, 2, 
-    242, 143, 7, 6, 1, 212, 99, 2, 142, 7, 4, 1, 212, 99, 2, 142, 7, 6, 1, 
-    212, 99, 2, 248, 9, 7, 4, 1, 212, 99, 2, 248, 9, 7, 6, 1, 212, 99, 2, 59, 
-    48, 7, 4, 1, 212, 99, 2, 59, 48, 7, 6, 1, 212, 99, 2, 59, 51, 7, 4, 1, 
-    212, 99, 2, 59, 51, 7, 6, 1, 211, 179, 2, 59, 48, 7, 4, 1, 211, 179, 2, 
-    59, 48, 7, 6, 1, 211, 179, 2, 248, 9, 7, 4, 1, 211, 179, 2, 248, 9, 7, 6, 
-    1, 211, 118, 2, 59, 48, 7, 4, 1, 211, 118, 2, 59, 48, 7, 6, 1, 210, 160, 
-    2, 250, 38, 7, 4, 1, 210, 160, 2, 250, 38, 7, 6, 1, 210, 160, 2, 59, 51, 
-    7, 4, 1, 210, 160, 2, 59, 51, 7, 6, 1, 210, 160, 2, 232, 220, 51, 7, 4, 
-    1, 210, 160, 2, 232, 220, 51, 7, 4, 1, 242, 68, 2, 232, 220, 51, 7, 4, 1, 
-    217, 154, 2, 248, 9, 7, 4, 1, 212, 99, 2, 222, 237, 48, 7, 4, 1, 211, 
-    118, 2, 222, 237, 48, 7, 4, 1, 116, 2, 44, 163, 222, 236, 7, 4, 1, 200, 
-    222, 94, 2, 59, 48, 7, 4, 1, 200, 222, 94, 2, 248, 7, 91, 7, 4, 1, 200, 
-    222, 94, 2, 125, 91, 7, 6, 1, 220, 78, 222, 93, 7, 4, 1, 248, 62, 7, 6, 
-    1, 116, 2, 59, 51, 7, 4, 1, 116, 2, 59, 51, 7, 6, 1, 116, 2, 241, 59, 48, 
-    7, 4, 1, 116, 2, 241, 59, 48, 7, 6, 1, 116, 2, 250, 39, 22, 142, 7, 4, 1, 
-    116, 2, 250, 39, 22, 142, 7, 6, 1, 116, 2, 250, 39, 22, 242, 143, 7, 4, 
-    1, 116, 2, 250, 39, 22, 242, 143, 7, 6, 1, 116, 2, 250, 39, 22, 241, 59, 
-    48, 7, 4, 1, 116, 2, 250, 39, 22, 241, 59, 48, 7, 6, 1, 116, 2, 250, 39, 
-    22, 184, 7, 4, 1, 116, 2, 250, 39, 22, 184, 7, 6, 1, 116, 2, 250, 39, 22, 
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-    160, 2, 250, 39, 22, 241, 59, 48, 7, 6, 1, 160, 2, 250, 39, 22, 184, 7, 
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-    4, 1, 160, 2, 250, 39, 22, 59, 51, 7, 6, 1, 240, 161, 2, 241, 59, 48, 7, 
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-    240, 161, 2, 59, 51, 7, 6, 1, 144, 2, 59, 51, 7, 4, 1, 144, 2, 59, 51, 7, 
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-    250, 39, 22, 142, 7, 4, 1, 144, 2, 250, 39, 22, 142, 7, 6, 1, 144, 2, 
-    250, 39, 22, 242, 143, 7, 4, 1, 144, 2, 250, 39, 22, 242, 143, 7, 6, 1, 
-    144, 2, 250, 39, 22, 241, 59, 48, 7, 4, 1, 144, 2, 250, 39, 22, 241, 59, 
-    48, 7, 6, 1, 144, 2, 250, 39, 22, 184, 7, 4, 1, 144, 2, 250, 39, 22, 184, 
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-    104, 2, 241, 59, 48, 7, 4, 1, 104, 2, 241, 59, 48, 7, 6, 1, 104, 2, 241, 
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-    104, 2, 241, 0, 22, 59, 51, 7, 4, 1, 104, 2, 241, 0, 22, 59, 51, 7, 6, 1, 
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-    224, 158, 22, 214, 13, 26, 4, 1, 254, 152, 2, 248, 162, 22, 214, 13, 26, 
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-    162, 22, 226, 114, 26, 4, 1, 254, 152, 2, 224, 158, 22, 225, 178, 26, 4, 
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-    214, 13, 26, 6, 1, 254, 152, 2, 248, 162, 22, 214, 13, 26, 6, 1, 254, 
-    152, 2, 224, 158, 22, 226, 114, 26, 6, 1, 254, 152, 2, 248, 162, 22, 226, 
-    114, 26, 6, 1, 254, 152, 2, 224, 158, 22, 225, 178, 26, 6, 1, 254, 152, 
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-    245, 109, 2, 248, 161, 26, 4, 1, 245, 109, 2, 224, 158, 22, 214, 13, 26, 
-    4, 1, 245, 109, 2, 248, 162, 22, 214, 13, 26, 4, 1, 245, 109, 2, 224, 
-    158, 22, 226, 114, 26, 4, 1, 245, 109, 2, 248, 162, 22, 226, 114, 26, 6, 
-    1, 245, 109, 2, 224, 157, 26, 6, 1, 245, 109, 2, 248, 161, 26, 6, 1, 245, 
-    109, 2, 224, 158, 22, 214, 13, 26, 6, 1, 245, 109, 2, 248, 162, 22, 214, 
-    13, 26, 6, 1, 245, 109, 2, 224, 158, 22, 226, 114, 26, 6, 1, 245, 109, 2, 
-    248, 162, 22, 226, 114, 26, 4, 1, 245, 72, 2, 224, 157, 26, 4, 1, 245, 
-    72, 2, 248, 161, 26, 4, 1, 245, 72, 2, 224, 158, 22, 214, 13, 26, 4, 1, 
-    245, 72, 2, 248, 162, 22, 214, 13, 26, 4, 1, 245, 72, 2, 224, 158, 22, 
-    226, 114, 26, 4, 1, 245, 72, 2, 248, 162, 22, 226, 114, 26, 4, 1, 245, 
-    72, 2, 224, 158, 22, 225, 178, 26, 4, 1, 245, 72, 2, 248, 162, 22, 225, 
-    178, 26, 6, 1, 245, 72, 2, 224, 157, 26, 6, 1, 245, 72, 2, 248, 161, 26, 
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-    22, 214, 13, 26, 6, 1, 245, 72, 2, 224, 158, 22, 226, 114, 26, 6, 1, 245, 
-    72, 2, 248, 162, 22, 226, 114, 26, 6, 1, 245, 72, 2, 224, 158, 22, 225, 
-    178, 26, 6, 1, 245, 72, 2, 248, 162, 22, 225, 178, 26, 4, 1, 235, 193, 2, 
-    224, 157, 26, 4, 1, 235, 193, 2, 248, 161, 26, 4, 1, 235, 193, 2, 224, 
-    158, 22, 214, 13, 26, 4, 1, 235, 193, 2, 248, 162, 22, 214, 13, 26, 4, 1, 
-    235, 193, 2, 224, 158, 22, 226, 114, 26, 4, 1, 235, 193, 2, 248, 162, 22, 
-    226, 114, 26, 4, 1, 235, 193, 2, 224, 158, 22, 225, 178, 26, 4, 1, 235, 
-    193, 2, 248, 162, 22, 225, 178, 26, 6, 1, 235, 193, 2, 224, 157, 26, 6, 
-    1, 235, 193, 2, 248, 161, 26, 6, 1, 235, 193, 2, 224, 158, 22, 214, 13, 
-    26, 6, 1, 235, 193, 2, 248, 162, 22, 214, 13, 26, 6, 1, 235, 193, 2, 224, 
-    158, 22, 226, 114, 26, 6, 1, 235, 193, 2, 248, 162, 22, 226, 114, 26, 6, 
-    1, 235, 193, 2, 224, 158, 22, 225, 178, 26, 6, 1, 235, 193, 2, 248, 162, 
-    22, 225, 178, 26, 4, 1, 226, 204, 2, 224, 157, 26, 4, 1, 226, 204, 2, 
-    248, 161, 26, 4, 1, 226, 204, 2, 224, 158, 22, 214, 13, 26, 4, 1, 226, 
-    204, 2, 248, 162, 22, 214, 13, 26, 4, 1, 226, 204, 2, 224, 158, 22, 226, 
-    114, 26, 4, 1, 226, 204, 2, 248, 162, 22, 226, 114, 26, 6, 1, 226, 204, 
-    2, 224, 157, 26, 6, 1, 226, 204, 2, 248, 161, 26, 6, 1, 226, 204, 2, 224, 
-    158, 22, 214, 13, 26, 6, 1, 226, 204, 2, 248, 162, 22, 214, 13, 26, 6, 1, 
-    226, 204, 2, 224, 158, 22, 226, 114, 26, 6, 1, 226, 204, 2, 248, 162, 22, 
-    226, 114, 26, 4, 1, 214, 158, 2, 224, 157, 26, 4, 1, 214, 158, 2, 248, 
-    161, 26, 4, 1, 214, 158, 2, 224, 158, 22, 214, 13, 26, 4, 1, 214, 158, 2, 
-    248, 162, 22, 214, 13, 26, 4, 1, 214, 158, 2, 224, 158, 22, 226, 114, 26, 
-    4, 1, 214, 158, 2, 248, 162, 22, 226, 114, 26, 4, 1, 214, 158, 2, 224, 
-    158, 22, 225, 178, 26, 4, 1, 214, 158, 2, 248, 162, 22, 225, 178, 26, 6, 
-    1, 214, 158, 2, 248, 161, 26, 6, 1, 214, 158, 2, 248, 162, 22, 214, 13, 
-    26, 6, 1, 214, 158, 2, 248, 162, 22, 226, 114, 26, 6, 1, 214, 158, 2, 
-    248, 162, 22, 225, 178, 26, 4, 1, 226, 206, 2, 224, 157, 26, 4, 1, 226, 
-    206, 2, 248, 161, 26, 4, 1, 226, 206, 2, 224, 158, 22, 214, 13, 26, 4, 1, 
-    226, 206, 2, 248, 162, 22, 214, 13, 26, 4, 1, 226, 206, 2, 224, 158, 22, 
-    226, 114, 26, 4, 1, 226, 206, 2, 248, 162, 22, 226, 114, 26, 4, 1, 226, 
-    206, 2, 224, 158, 22, 225, 178, 26, 4, 1, 226, 206, 2, 248, 162, 22, 225, 
-    178, 26, 6, 1, 226, 206, 2, 224, 157, 26, 6, 1, 226, 206, 2, 248, 161, 
-    26, 6, 1, 226, 206, 2, 224, 158, 22, 214, 13, 26, 6, 1, 226, 206, 2, 248, 
-    162, 22, 214, 13, 26, 6, 1, 226, 206, 2, 224, 158, 22, 226, 114, 26, 6, 
-    1, 226, 206, 2, 248, 162, 22, 226, 114, 26, 6, 1, 226, 206, 2, 224, 158, 
-    22, 225, 178, 26, 6, 1, 226, 206, 2, 248, 162, 22, 225, 178, 26, 4, 1, 
-    254, 152, 2, 214, 13, 26, 4, 1, 254, 152, 2, 226, 114, 26, 4, 1, 245, 
-    109, 2, 214, 13, 26, 4, 1, 245, 109, 2, 226, 114, 26, 4, 1, 245, 72, 2, 
-    214, 13, 26, 4, 1, 245, 72, 2, 226, 114, 26, 4, 1, 235, 193, 2, 214, 13, 
-    26, 4, 1, 235, 193, 2, 226, 114, 26, 4, 1, 226, 204, 2, 214, 13, 26, 4, 
-    1, 226, 204, 2, 226, 114, 26, 4, 1, 214, 158, 2, 214, 13, 26, 4, 1, 214, 
-    158, 2, 226, 114, 26, 4, 1, 226, 206, 2, 214, 13, 26, 4, 1, 226, 206, 2, 
-    226, 114, 26, 4, 1, 254, 152, 2, 224, 158, 22, 210, 219, 26, 4, 1, 254, 
-    152, 2, 248, 162, 22, 210, 219, 26, 4, 1, 254, 152, 2, 224, 158, 22, 214, 
-    14, 22, 210, 219, 26, 4, 1, 254, 152, 2, 248, 162, 22, 214, 14, 22, 210, 
-    219, 26, 4, 1, 254, 152, 2, 224, 158, 22, 226, 115, 22, 210, 219, 26, 4, 
-    1, 254, 152, 2, 248, 162, 22, 226, 115, 22, 210, 219, 26, 4, 1, 254, 152, 
-    2, 224, 158, 22, 225, 179, 22, 210, 219, 26, 4, 1, 254, 152, 2, 248, 162, 
-    22, 225, 179, 22, 210, 219, 26, 6, 1, 254, 152, 2, 224, 158, 22, 224, 
-    170, 26, 6, 1, 254, 152, 2, 248, 162, 22, 224, 170, 26, 6, 1, 254, 152, 
-    2, 224, 158, 22, 214, 14, 22, 224, 170, 26, 6, 1, 254, 152, 2, 248, 162, 
-    22, 214, 14, 22, 224, 170, 26, 6, 1, 254, 152, 2, 224, 158, 22, 226, 115, 
-    22, 224, 170, 26, 6, 1, 254, 152, 2, 248, 162, 22, 226, 115, 22, 224, 
-    170, 26, 6, 1, 254, 152, 2, 224, 158, 22, 225, 179, 22, 224, 170, 26, 6, 
-    1, 254, 152, 2, 248, 162, 22, 225, 179, 22, 224, 170, 26, 4, 1, 245, 72, 
-    2, 224, 158, 22, 210, 219, 26, 4, 1, 245, 72, 2, 248, 162, 22, 210, 219, 
-    26, 4, 1, 245, 72, 2, 224, 158, 22, 214, 14, 22, 210, 219, 26, 4, 1, 245, 
-    72, 2, 248, 162, 22, 214, 14, 22, 210, 219, 26, 4, 1, 245, 72, 2, 224, 
-    158, 22, 226, 115, 22, 210, 219, 26, 4, 1, 245, 72, 2, 248, 162, 22, 226, 
-    115, 22, 210, 219, 26, 4, 1, 245, 72, 2, 224, 158, 22, 225, 179, 22, 210, 
-    219, 26, 4, 1, 245, 72, 2, 248, 162, 22, 225, 179, 22, 210, 219, 26, 6, 
-    1, 245, 72, 2, 224, 158, 22, 224, 170, 26, 6, 1, 245, 72, 2, 248, 162, 
-    22, 224, 170, 26, 6, 1, 245, 72, 2, 224, 158, 22, 214, 14, 22, 224, 170, 
-    26, 6, 1, 245, 72, 2, 248, 162, 22, 214, 14, 22, 224, 170, 26, 6, 1, 245, 
-    72, 2, 224, 158, 22, 226, 115, 22, 224, 170, 26, 6, 1, 245, 72, 2, 248, 
-    162, 22, 226, 115, 22, 224, 170, 26, 6, 1, 245, 72, 2, 224, 158, 22, 225, 
-    179, 22, 224, 170, 26, 6, 1, 245, 72, 2, 248, 162, 22, 225, 179, 22, 224, 
-    170, 26, 4, 1, 226, 206, 2, 224, 158, 22, 210, 219, 26, 4, 1, 226, 206, 
-    2, 248, 162, 22, 210, 219, 26, 4, 1, 226, 206, 2, 224, 158, 22, 214, 14, 
-    22, 210, 219, 26, 4, 1, 226, 206, 2, 248, 162, 22, 214, 14, 22, 210, 219, 
-    26, 4, 1, 226, 206, 2, 224, 158, 22, 226, 115, 22, 210, 219, 26, 4, 1, 
-    226, 206, 2, 248, 162, 22, 226, 115, 22, 210, 219, 26, 4, 1, 226, 206, 2, 
-    224, 158, 22, 225, 179, 22, 210, 219, 26, 4, 1, 226, 206, 2, 248, 162, 
-    22, 225, 179, 22, 210, 219, 26, 6, 1, 226, 206, 2, 224, 158, 22, 224, 
-    170, 26, 6, 1, 226, 206, 2, 248, 162, 22, 224, 170, 26, 6, 1, 226, 206, 
-    2, 224, 158, 22, 214, 14, 22, 224, 170, 26, 6, 1, 226, 206, 2, 248, 162, 
-    22, 214, 14, 22, 224, 170, 26, 6, 1, 226, 206, 2, 224, 158, 22, 226, 115, 
-    22, 224, 170, 26, 6, 1, 226, 206, 2, 248, 162, 22, 226, 115, 22, 224, 
-    170, 26, 6, 1, 226, 206, 2, 224, 158, 22, 225, 179, 22, 224, 170, 26, 6, 
-    1, 226, 206, 2, 248, 162, 22, 225, 179, 22, 224, 170, 26, 4, 1, 254, 152, 
-    2, 213, 120, 26, 4, 1, 254, 152, 2, 231, 237, 26, 4, 1, 254, 152, 2, 214, 
-    14, 22, 210, 219, 26, 4, 1, 254, 152, 2, 210, 219, 26, 4, 1, 254, 152, 2, 
-    226, 115, 22, 210, 219, 26, 4, 1, 254, 152, 2, 225, 178, 26, 4, 1, 254, 
-    152, 2, 225, 179, 22, 210, 219, 26, 6, 1, 254, 152, 2, 213, 120, 26, 6, 
-    1, 254, 152, 2, 231, 237, 26, 6, 1, 254, 152, 2, 214, 13, 26, 6, 1, 254, 
-    152, 2, 226, 114, 26, 6, 1, 254, 152, 2, 224, 170, 26, 234, 8, 26, 224, 
-    170, 26, 224, 157, 26, 225, 178, 26, 248, 4, 22, 225, 178, 26, 4, 1, 245, 
-    72, 2, 214, 14, 22, 210, 219, 26, 4, 1, 245, 72, 2, 210, 219, 26, 4, 1, 
-    245, 72, 2, 226, 115, 22, 210, 219, 26, 4, 1, 245, 72, 2, 225, 178, 26, 
-    4, 1, 245, 72, 2, 225, 179, 22, 210, 219, 26, 6, 1, 245, 109, 2, 214, 13, 
-    26, 6, 1, 245, 109, 2, 226, 114, 26, 6, 1, 245, 72, 2, 214, 13, 26, 6, 1, 
-    245, 72, 2, 226, 114, 26, 6, 1, 245, 72, 2, 224, 170, 26, 224, 158, 22, 
-    214, 13, 26, 224, 158, 22, 226, 114, 26, 224, 158, 22, 225, 178, 26, 4, 
-    1, 235, 193, 2, 213, 120, 26, 4, 1, 235, 193, 2, 231, 237, 26, 4, 1, 235, 
-    193, 2, 248, 4, 22, 214, 13, 26, 4, 1, 235, 193, 2, 248, 4, 22, 226, 114, 
-    26, 4, 1, 235, 193, 2, 225, 178, 26, 4, 1, 235, 193, 2, 248, 4, 22, 225, 
-    178, 26, 6, 1, 235, 193, 2, 213, 120, 26, 6, 1, 235, 193, 2, 231, 237, 
-    26, 6, 1, 235, 193, 2, 214, 13, 26, 6, 1, 235, 193, 2, 226, 114, 26, 248, 
-    162, 22, 214, 13, 26, 248, 162, 22, 226, 114, 26, 248, 162, 22, 225, 178, 
-    26, 4, 1, 214, 158, 2, 213, 120, 26, 4, 1, 214, 158, 2, 231, 237, 26, 4, 
-    1, 214, 158, 2, 248, 4, 22, 214, 13, 26, 4, 1, 214, 158, 2, 248, 4, 22, 
-    226, 114, 26, 4, 1, 223, 41, 2, 224, 157, 26, 4, 1, 223, 41, 2, 248, 161, 
-    26, 4, 1, 214, 158, 2, 225, 178, 26, 4, 1, 214, 158, 2, 248, 4, 22, 225, 
-    178, 26, 6, 1, 214, 158, 2, 213, 120, 26, 6, 1, 214, 158, 2, 231, 237, 
-    26, 6, 1, 214, 158, 2, 214, 13, 26, 6, 1, 214, 158, 2, 226, 114, 26, 6, 
-    1, 223, 41, 2, 248, 161, 26, 248, 4, 22, 214, 13, 26, 248, 4, 22, 226, 
-    114, 26, 214, 13, 26, 4, 1, 226, 206, 2, 214, 14, 22, 210, 219, 26, 4, 1, 
-    226, 206, 2, 210, 219, 26, 4, 1, 226, 206, 2, 226, 115, 22, 210, 219, 26, 
-    4, 1, 226, 206, 2, 225, 178, 26, 4, 1, 226, 206, 2, 225, 179, 22, 210, 
-    219, 26, 6, 1, 226, 204, 2, 214, 13, 26, 6, 1, 226, 204, 2, 226, 114, 26, 
-    6, 1, 226, 206, 2, 214, 13, 26, 6, 1, 226, 206, 2, 226, 114, 26, 6, 1, 
-    226, 206, 2, 224, 170, 26, 226, 114, 26, 248, 161, 245, 159, 224, 30, 
-    245, 168, 224, 30, 245, 159, 219, 20, 245, 168, 219, 20, 216, 142, 219, 
-    20, 244, 17, 219, 20, 219, 125, 219, 20, 244, 120, 219, 20, 224, 144, 
-    219, 20, 216, 171, 219, 20, 242, 42, 219, 20, 210, 87, 211, 245, 219, 20, 
-    210, 87, 211, 245, 228, 72, 210, 87, 211, 245, 235, 69, 233, 44, 79, 222, 
-    246, 79, 240, 175, 228, 73, 240, 175, 244, 120, 248, 164, 245, 159, 248, 
-    164, 245, 168, 248, 164, 203, 130, 52, 67, 232, 219, 52, 121, 232, 219, 
-    43, 219, 157, 224, 1, 79, 44, 219, 157, 224, 1, 79, 219, 157, 232, 115, 
-    224, 1, 79, 219, 157, 241, 170, 224, 1, 79, 43, 52, 224, 1, 79, 44, 52, 
-    224, 1, 79, 52, 232, 115, 224, 1, 79, 52, 241, 170, 224, 1, 79, 248, 213, 
-    52, 248, 213, 251, 121, 215, 223, 251, 121, 123, 59, 233, 62, 113, 59, 
-    233, 62, 203, 245, 171, 240, 173, 225, 13, 232, 220, 220, 139, 226, 19, 
-    220, 139, 233, 44, 245, 166, 222, 246, 245, 166, 224, 249, 247, 204, 244, 
-    27, 233, 44, 226, 121, 222, 246, 226, 121, 229, 199, 228, 78, 219, 20, 
-    225, 186, 230, 198, 50, 225, 186, 216, 249, 216, 149, 50, 224, 193, 52, 
-    224, 193, 215, 212, 224, 193, 223, 52, 224, 193, 223, 52, 52, 224, 193, 
-    223, 52, 215, 212, 224, 193, 250, 246, 219, 157, 233, 48, 254, 118, 224, 
-    1, 79, 219, 157, 222, 250, 254, 118, 224, 1, 79, 223, 110, 79, 52, 245, 
-    39, 79, 235, 208, 226, 123, 214, 180, 135, 216, 112, 250, 247, 235, 223, 
-    225, 13, 253, 222, 240, 176, 251, 121, 244, 10, 219, 97, 43, 42, 251, 
-    166, 2, 224, 10, 44, 42, 251, 166, 2, 224, 10, 52, 224, 16, 79, 224, 16, 
-    245, 39, 79, 245, 39, 224, 16, 79, 216, 71, 5, 245, 73, 223, 52, 225, 71, 
-    50, 85, 140, 251, 121, 85, 97, 251, 121, 121, 253, 224, 223, 52, 220, 
-    152, 250, 9, 214, 163, 113, 253, 223, 254, 167, 213, 188, 249, 225, 230, 
-    187, 50, 217, 235, 248, 164, 235, 200, 214, 180, 244, 60, 224, 144, 79, 
-    134, 59, 224, 143, 224, 27, 224, 193, 244, 19, 59, 224, 143, 244, 89, 59, 
-    224, 143, 113, 59, 224, 143, 244, 19, 59, 79, 246, 126, 249, 138, 215, 
-    222, 67, 244, 19, 247, 126, 231, 87, 11, 219, 20, 211, 209, 235, 69, 243, 
-    234, 254, 60, 235, 198, 216, 86, 235, 198, 220, 139, 235, 198, 225, 25, 
-    233, 44, 235, 171, 222, 246, 235, 171, 244, 100, 218, 91, 235, 171, 224, 
-    249, 247, 204, 235, 171, 235, 235, 217, 183, 217, 252, 255, 14, 217, 183, 
-    217, 252, 235, 235, 9, 244, 28, 220, 82, 255, 14, 9, 244, 28, 220, 82, 
-    229, 194, 21, 220, 83, 228, 74, 21, 220, 83, 218, 24, 210, 86, 218, 24, 
-    7, 4, 1, 74, 218, 24, 161, 218, 24, 190, 218, 24, 195, 218, 24, 199, 218, 
-    24, 196, 218, 24, 201, 218, 24, 96, 50, 218, 24, 230, 186, 218, 24, 245, 
-    106, 50, 218, 24, 43, 226, 7, 218, 24, 44, 226, 7, 218, 24, 7, 4, 1, 230, 
-    30, 218, 66, 210, 86, 218, 66, 111, 218, 66, 105, 218, 66, 158, 218, 66, 
-    161, 218, 66, 190, 218, 66, 195, 218, 66, 199, 218, 66, 196, 218, 66, 
-    201, 218, 66, 96, 50, 218, 66, 230, 186, 218, 66, 245, 106, 50, 218, 66, 
-    43, 226, 7, 218, 66, 44, 226, 7, 7, 218, 66, 4, 1, 61, 7, 218, 66, 4, 1, 
-    76, 7, 218, 66, 4, 1, 78, 7, 218, 66, 4, 1, 211, 178, 7, 218, 66, 4, 1, 
-    221, 197, 7, 218, 66, 4, 1, 242, 67, 7, 218, 66, 4, 1, 235, 29, 7, 218, 
-    66, 4, 1, 156, 7, 218, 66, 4, 1, 194, 7, 218, 66, 4, 1, 230, 30, 7, 218, 
-    66, 4, 1, 226, 109, 7, 218, 66, 4, 1, 222, 93, 7, 218, 66, 4, 1, 217, 
-    153, 245, 54, 50, 249, 235, 50, 249, 125, 50, 244, 3, 244, 6, 50, 232, 
-    204, 50, 230, 199, 50, 229, 215, 50, 225, 165, 50, 222, 120, 50, 211, 
-    217, 50, 166, 220, 51, 50, 247, 135, 50, 245, 55, 50, 234, 82, 50, 215, 
-    113, 50, 246, 109, 50, 243, 47, 225, 196, 50, 225, 163, 50, 242, 116, 50, 
-    253, 190, 50, 240, 235, 50, 250, 193, 50, 232, 197, 216, 4, 50, 219, 2, 
-    50, 216, 246, 50, 235, 248, 222, 120, 50, 215, 97, 232, 204, 50, 38, 43, 
-    242, 6, 48, 38, 44, 242, 6, 48, 38, 200, 67, 232, 220, 226, 124, 38, 219, 
-    253, 67, 232, 220, 226, 124, 38, 254, 96, 80, 48, 38, 250, 10, 80, 48, 
-    38, 43, 80, 48, 38, 44, 80, 48, 38, 222, 237, 226, 124, 38, 250, 10, 222, 
-    237, 226, 124, 38, 254, 96, 222, 237, 226, 124, 38, 134, 170, 48, 38, 
-    244, 19, 170, 48, 38, 245, 154, 250, 43, 38, 245, 154, 218, 236, 38, 245, 
-    154, 248, 0, 38, 245, 154, 250, 44, 252, 188, 38, 43, 44, 80, 48, 38, 
-    245, 154, 221, 190, 38, 245, 154, 234, 141, 38, 245, 154, 214, 155, 225, 
-    10, 215, 226, 38, 223, 53, 219, 49, 226, 124, 38, 52, 67, 218, 105, 226, 
-    124, 38, 254, 106, 87, 38, 215, 212, 214, 182, 38, 211, 247, 251, 148, 
-    48, 38, 140, 80, 226, 124, 38, 200, 52, 219, 49, 226, 124, 38, 97, 242, 
-    6, 2, 252, 147, 246, 111, 38, 140, 242, 6, 2, 252, 147, 246, 111, 38, 43, 
-    80, 51, 38, 44, 80, 51, 38, 253, 225, 48, 255, 20, 226, 235, 255, 4, 216, 
-    43, 216, 197, 218, 75, 139, 6, 251, 74, 248, 79, 250, 186, 250, 183, 232, 
-    220, 87, 250, 248, 226, 235, 251, 34, 214, 189, 245, 56, 249, 199, 221, 
-    187, 248, 79, 244, 187, 119, 4, 243, 209, 119, 6, 242, 67, 251, 227, 6, 
-    242, 67, 139, 6, 242, 67, 225, 40, 249, 199, 225, 40, 249, 200, 115, 113, 
-    225, 111, 119, 6, 74, 251, 227, 6, 74, 119, 6, 156, 119, 4, 156, 233, 
-    155, 57, 252, 149, 87, 139, 6, 230, 30, 227, 200, 50, 219, 33, 223, 122, 
-    249, 170, 119, 6, 226, 109, 139, 6, 226, 109, 139, 6, 224, 99, 119, 6, 
-    153, 251, 227, 6, 153, 139, 6, 153, 224, 199, 217, 72, 223, 65, 220, 134, 
-    79, 217, 2, 50, 215, 254, 164, 50, 213, 240, 139, 6, 210, 159, 226, 137, 
-    50, 226, 225, 50, 235, 200, 226, 225, 50, 251, 227, 6, 210, 159, 215, 94, 
-    26, 4, 1, 235, 192, 234, 179, 50, 254, 115, 50, 119, 6, 253, 166, 251, 
-    227, 6, 251, 74, 245, 76, 87, 119, 4, 76, 119, 6, 76, 119, 6, 245, 14, 
-    215, 94, 6, 245, 14, 119, 6, 194, 119, 4, 78, 109, 87, 252, 37, 87, 242, 
-    209, 87, 248, 198, 87, 235, 239, 219, 31, 222, 189, 6, 224, 99, 244, 190, 
-    50, 139, 4, 225, 111, 139, 4, 243, 114, 139, 6, 243, 114, 139, 6, 225, 
-    111, 139, 230, 29, 218, 41, 215, 94, 35, 6, 243, 209, 215, 94, 35, 6, 
-    156, 223, 52, 35, 6, 156, 215, 94, 35, 6, 211, 117, 139, 32, 6, 249, 68, 
-    139, 32, 4, 249, 68, 139, 32, 4, 76, 139, 32, 4, 74, 139, 32, 4, 235, 
-    150, 224, 173, 232, 219, 215, 94, 254, 134, 225, 186, 50, 254, 189, 215, 
-    94, 4, 245, 14, 16, 31, 221, 254, 219, 31, 212, 114, 244, 10, 123, 220, 
-    120, 212, 114, 244, 10, 123, 228, 199, 212, 114, 244, 10, 123, 216, 242, 
-    212, 114, 244, 10, 123, 216, 169, 212, 114, 244, 10, 113, 216, 167, 212, 
-    114, 244, 10, 123, 244, 125, 212, 114, 244, 10, 113, 244, 124, 212, 114, 
-    244, 10, 134, 244, 124, 212, 114, 244, 10, 244, 19, 244, 124, 212, 114, 
-    244, 10, 123, 219, 117, 212, 114, 244, 10, 244, 89, 219, 115, 212, 114, 
-    244, 10, 123, 245, 196, 212, 114, 244, 10, 134, 245, 194, 212, 114, 244, 
-    10, 244, 89, 245, 194, 212, 114, 244, 10, 220, 124, 245, 194, 244, 10, 
-    227, 201, 111, 222, 200, 227, 202, 111, 222, 200, 227, 202, 105, 222, 
-    200, 227, 202, 158, 222, 200, 227, 202, 161, 222, 200, 227, 202, 190, 
-    222, 200, 227, 202, 195, 222, 200, 227, 202, 199, 222, 200, 227, 202, 
-    196, 222, 200, 227, 202, 201, 222, 200, 227, 202, 216, 248, 222, 200, 
-    227, 202, 245, 175, 222, 200, 227, 202, 215, 76, 222, 200, 227, 202, 244, 
-    122, 222, 200, 227, 202, 123, 240, 217, 222, 200, 227, 202, 244, 89, 240, 
-    217, 222, 200, 227, 202, 123, 216, 148, 4, 222, 200, 227, 202, 111, 4, 
-    222, 200, 227, 202, 105, 4, 222, 200, 227, 202, 158, 4, 222, 200, 227, 
-    202, 161, 4, 222, 200, 227, 202, 190, 4, 222, 200, 227, 202, 195, 4, 222, 
-    200, 227, 202, 199, 4, 222, 200, 227, 202, 196, 4, 222, 200, 227, 202, 
-    201, 4, 222, 200, 227, 202, 216, 248, 4, 222, 200, 227, 202, 245, 175, 4, 
-    222, 200, 227, 202, 215, 76, 4, 222, 200, 227, 202, 244, 122, 4, 222, 
-    200, 227, 202, 123, 240, 217, 4, 222, 200, 227, 202, 244, 89, 240, 217, 
-    4, 222, 200, 227, 202, 123, 216, 148, 222, 200, 227, 202, 123, 216, 149, 
-    251, 75, 249, 68, 222, 200, 227, 202, 244, 89, 216, 148, 222, 200, 227, 
-    202, 216, 249, 216, 148, 222, 200, 227, 202, 223, 52, 123, 240, 217, 7, 
-    4, 1, 223, 52, 251, 74, 222, 200, 227, 202, 219, 127, 233, 84, 17, 222, 
-    200, 227, 202, 244, 123, 245, 234, 17, 222, 200, 227, 202, 244, 123, 216, 
-    148, 222, 200, 227, 202, 123, 240, 218, 216, 148, 212, 114, 244, 10, 210, 
-    87, 216, 167, 140, 75, 214, 153, 75, 97, 75, 246, 112, 75, 43, 44, 75, 
-    120, 124, 75, 228, 61, 212, 9, 75, 228, 61, 245, 228, 75, 219, 30, 245, 
-    228, 75, 219, 30, 212, 9, 75, 140, 80, 2, 91, 97, 80, 2, 91, 140, 212, 
-    36, 75, 97, 212, 36, 75, 140, 113, 241, 241, 75, 214, 153, 113, 241, 241, 
-    75, 97, 113, 241, 241, 75, 246, 112, 113, 241, 241, 75, 140, 80, 2, 217, 
-    78, 97, 80, 2, 217, 78, 140, 80, 243, 251, 130, 214, 153, 80, 243, 251, 
-    130, 97, 80, 243, 251, 130, 246, 112, 80, 243, 251, 130, 120, 124, 80, 2, 
-    252, 135, 140, 80, 2, 103, 97, 80, 2, 103, 140, 80, 2, 232, 129, 97, 80, 
-    2, 232, 129, 43, 44, 212, 36, 75, 43, 44, 80, 2, 91, 246, 112, 210, 35, 
-    75, 214, 153, 80, 2, 216, 78, 233, 43, 214, 153, 80, 2, 216, 78, 222, 
-    244, 246, 112, 80, 2, 216, 78, 233, 43, 246, 112, 80, 2, 216, 78, 222, 
-    244, 97, 80, 2, 249, 169, 246, 111, 246, 112, 80, 2, 249, 169, 233, 43, 
-    254, 96, 216, 15, 220, 155, 75, 250, 10, 216, 15, 220, 155, 75, 228, 61, 
-    212, 9, 80, 216, 43, 200, 130, 140, 80, 216, 43, 252, 149, 115, 97, 80, 
-    216, 43, 130, 254, 96, 204, 250, 44, 75, 250, 10, 204, 250, 44, 75, 140, 
-    242, 6, 2, 252, 147, 214, 152, 140, 242, 6, 2, 252, 147, 246, 111, 214, 
-    153, 242, 6, 2, 252, 147, 222, 244, 214, 153, 242, 6, 2, 252, 147, 233, 
-    43, 97, 242, 6, 2, 252, 147, 214, 152, 97, 242, 6, 2, 252, 147, 246, 111, 
-    246, 112, 242, 6, 2, 252, 147, 222, 244, 246, 112, 242, 6, 2, 252, 147, 
-    233, 43, 97, 80, 115, 140, 75, 214, 153, 80, 140, 64, 246, 112, 75, 140, 
-    80, 115, 97, 75, 140, 226, 74, 253, 255, 214, 153, 226, 74, 253, 255, 97, 
-    226, 74, 253, 255, 246, 112, 226, 74, 253, 255, 140, 242, 6, 115, 97, 
-    242, 5, 97, 242, 6, 115, 140, 242, 5, 140, 52, 80, 2, 91, 43, 44, 52, 80, 
-    2, 91, 97, 52, 80, 2, 91, 140, 52, 75, 214, 153, 52, 75, 97, 52, 75, 246, 
-    112, 52, 75, 43, 44, 52, 75, 120, 124, 52, 75, 228, 61, 212, 9, 52, 75, 
-    228, 61, 245, 228, 52, 75, 219, 30, 245, 228, 52, 75, 219, 30, 212, 9, 
-    52, 75, 140, 215, 212, 75, 97, 215, 212, 75, 140, 218, 232, 75, 97, 218, 
-    232, 75, 214, 153, 80, 2, 52, 91, 246, 112, 80, 2, 52, 91, 140, 248, 163, 
-    75, 214, 153, 248, 163, 75, 97, 248, 163, 75, 246, 112, 248, 163, 75, 
-    140, 80, 216, 43, 130, 97, 80, 216, 43, 130, 140, 71, 75, 214, 153, 71, 
-    75, 97, 71, 75, 246, 112, 71, 75, 214, 153, 71, 80, 243, 251, 130, 214, 
-    153, 71, 80, 226, 201, 225, 217, 214, 153, 71, 80, 226, 201, 225, 218, 2, 
-    203, 130, 214, 153, 71, 80, 226, 201, 225, 218, 2, 67, 130, 214, 153, 71, 
-    52, 75, 214, 153, 71, 52, 80, 226, 201, 225, 217, 97, 71, 80, 243, 251, 
-    212, 56, 228, 61, 212, 9, 80, 216, 43, 249, 168, 219, 30, 245, 228, 80, 
-    216, 43, 249, 168, 120, 124, 71, 75, 44, 80, 2, 4, 250, 43, 246, 112, 80, 
-    140, 64, 214, 153, 75, 134, 97, 253, 255, 140, 80, 2, 67, 91, 97, 80, 2, 
-    67, 91, 43, 44, 80, 2, 67, 91, 140, 80, 2, 52, 67, 91, 97, 80, 2, 52, 67, 
-    91, 43, 44, 80, 2, 52, 67, 91, 140, 226, 177, 75, 97, 226, 177, 75, 43, 
-    44, 226, 177, 75, 31, 254, 163, 249, 222, 226, 1, 247, 241, 216, 188, 
-    245, 35, 216, 188, 247, 146, 228, 57, 245, 36, 245, 160, 220, 129, 235, 
-    252, 229, 226, 245, 178, 226, 235, 228, 57, 254, 132, 245, 178, 226, 235, 
-    4, 245, 178, 226, 235, 249, 194, 253, 246, 231, 67, 247, 146, 228, 57, 
-    249, 196, 253, 246, 231, 67, 4, 249, 194, 253, 246, 231, 67, 245, 151, 
-    64, 224, 175, 230, 29, 224, 183, 230, 29, 249, 173, 230, 29, 218, 41, 
-    230, 187, 50, 230, 185, 50, 59, 225, 25, 247, 177, 219, 97, 220, 130, 
-    230, 186, 253, 225, 226, 171, 222, 237, 226, 171, 251, 122, 226, 171, 42, 
-    222, 195, 249, 117, 222, 195, 244, 12, 222, 195, 224, 171, 112, 235, 241, 
-    44, 254, 117, 254, 117, 231, 93, 254, 117, 219, 1, 254, 117, 247, 179, 
-    247, 146, 228, 57, 247, 182, 226, 12, 112, 228, 57, 226, 12, 112, 232, 
-    152, 254, 126, 232, 152, 226, 162, 235, 205, 214, 175, 235, 218, 52, 235, 
-    218, 215, 212, 235, 218, 249, 190, 235, 218, 218, 14, 235, 218, 213, 129, 
-    235, 218, 250, 10, 235, 218, 250, 10, 249, 190, 235, 218, 254, 96, 249, 
-    190, 235, 218, 216, 187, 252, 75, 223, 140, 224, 172, 59, 230, 186, 245, 
-    41, 243, 53, 224, 172, 241, 64, 216, 90, 226, 171, 223, 52, 184, 235, 
-    200, 233, 71, 222, 93, 219, 159, 212, 35, 211, 200, 224, 183, 228, 57, 
-    184, 230, 187, 184, 253, 218, 128, 112, 228, 57, 253, 218, 128, 112, 254, 
-    56, 128, 112, 254, 56, 251, 96, 228, 57, 255, 13, 128, 112, 229, 105, 
-    254, 56, 228, 64, 255, 13, 128, 112, 254, 156, 128, 112, 228, 57, 254, 
-    156, 128, 112, 254, 156, 128, 177, 128, 112, 215, 212, 184, 254, 164, 
-    128, 112, 245, 102, 112, 243, 52, 245, 102, 112, 247, 242, 252, 31, 254, 
-    58, 216, 197, 232, 227, 243, 52, 128, 112, 254, 56, 128, 216, 43, 177, 
-    216, 197, 236, 22, 226, 235, 236, 22, 64, 177, 254, 56, 128, 112, 249, 
-    235, 245, 105, 245, 106, 249, 234, 222, 237, 236, 7, 128, 112, 222, 237, 
-    128, 112, 249, 162, 112, 245, 75, 245, 104, 112, 218, 159, 245, 105, 248, 
-    63, 128, 112, 128, 216, 43, 251, 86, 248, 80, 231, 93, 251, 85, 224, 14, 
-    128, 112, 228, 57, 128, 112, 240, 111, 112, 228, 57, 240, 111, 112, 218, 
-    111, 245, 102, 112, 233, 21, 177, 128, 112, 242, 137, 177, 128, 112, 233, 
-    21, 115, 128, 112, 242, 137, 115, 128, 112, 233, 21, 251, 96, 228, 57, 
-    128, 112, 242, 137, 251, 96, 228, 57, 128, 112, 230, 102, 233, 20, 230, 
-    102, 242, 136, 252, 31, 228, 57, 245, 102, 112, 228, 57, 233, 20, 228, 
-    57, 242, 136, 229, 105, 233, 21, 228, 64, 128, 112, 229, 105, 242, 137, 
-    228, 64, 128, 112, 233, 21, 177, 245, 102, 112, 242, 137, 177, 245, 102, 
-    112, 229, 105, 233, 21, 228, 64, 245, 102, 112, 229, 105, 242, 137, 228, 
-    64, 245, 102, 112, 233, 21, 177, 242, 136, 242, 137, 177, 233, 20, 229, 
-    105, 233, 21, 228, 64, 242, 136, 229, 105, 242, 137, 228, 64, 233, 20, 
-    224, 205, 218, 56, 224, 206, 177, 128, 112, 218, 57, 177, 128, 112, 224, 
-    206, 177, 245, 102, 112, 218, 57, 177, 245, 102, 112, 247, 146, 228, 57, 
-    224, 208, 247, 146, 228, 57, 218, 58, 218, 65, 226, 235, 218, 23, 226, 
-    235, 228, 57, 116, 218, 65, 226, 235, 228, 57, 116, 218, 23, 226, 235, 
-    218, 65, 64, 177, 128, 112, 218, 23, 64, 177, 128, 112, 229, 105, 116, 
-    218, 65, 64, 228, 64, 128, 112, 229, 105, 116, 218, 23, 64, 228, 64, 128, 
-    112, 218, 65, 64, 2, 228, 57, 128, 112, 218, 23, 64, 2, 228, 57, 128, 
-    112, 230, 86, 230, 87, 230, 88, 230, 87, 214, 175, 42, 236, 22, 226, 235, 
-    42, 226, 154, 226, 235, 42, 236, 22, 64, 177, 128, 112, 42, 226, 154, 64, 
-    177, 128, 112, 42, 251, 3, 42, 249, 110, 37, 225, 25, 37, 230, 186, 37, 
-    216, 86, 37, 247, 177, 219, 97, 37, 59, 226, 171, 37, 222, 237, 226, 171, 
-    37, 253, 225, 226, 171, 37, 245, 105, 37, 248, 164, 92, 225, 25, 92, 230, 
-    186, 92, 216, 86, 92, 59, 226, 171, 44, 217, 88, 43, 217, 88, 124, 217, 
-    88, 120, 217, 88, 253, 228, 230, 161, 215, 192, 244, 33, 215, 212, 67, 
-    252, 149, 44, 215, 93, 52, 67, 252, 149, 52, 44, 215, 93, 247, 146, 228, 
-    57, 224, 166, 228, 57, 215, 192, 247, 146, 228, 57, 244, 34, 229, 107, 
-    52, 67, 252, 149, 52, 44, 215, 93, 224, 206, 214, 184, 223, 94, 218, 57, 
-    214, 184, 223, 94, 228, 62, 218, 78, 226, 235, 249, 194, 253, 246, 228, 
-    62, 218, 77, 228, 62, 218, 78, 64, 177, 128, 112, 249, 194, 253, 246, 
-    228, 62, 218, 78, 177, 128, 112, 226, 154, 226, 235, 236, 22, 226, 235, 
-    230, 92, 241, 207, 249, 204, 231, 142, 235, 215, 211, 145, 229, 207, 228, 
-    63, 44, 254, 118, 2, 254, 33, 44, 215, 226, 230, 29, 232, 152, 254, 126, 
-    230, 29, 232, 152, 226, 162, 230, 29, 235, 205, 230, 29, 214, 175, 248, 
-    1, 226, 171, 59, 226, 171, 218, 159, 226, 171, 247, 177, 216, 86, 251, 
-    172, 43, 228, 62, 244, 189, 220, 151, 224, 183, 44, 228, 62, 244, 189, 
-    220, 151, 224, 183, 43, 220, 151, 224, 183, 44, 220, 151, 224, 183, 223, 
-    52, 216, 90, 245, 105, 249, 107, 232, 152, 226, 162, 249, 107, 232, 152, 
-    254, 126, 52, 218, 64, 52, 218, 22, 52, 235, 205, 52, 214, 175, 225, 50, 
-    128, 22, 226, 12, 112, 233, 21, 2, 247, 128, 242, 137, 2, 247, 128, 213, 
-    187, 230, 102, 233, 20, 213, 187, 230, 102, 242, 136, 233, 21, 128, 216, 
-    43, 177, 242, 136, 242, 137, 128, 216, 43, 177, 233, 20, 128, 216, 43, 
-    177, 233, 20, 128, 216, 43, 177, 242, 136, 128, 216, 43, 177, 224, 205, 
-    128, 216, 43, 177, 218, 56, 247, 146, 228, 57, 224, 209, 177, 245, 107, 
-    247, 146, 228, 57, 218, 59, 177, 245, 107, 228, 57, 42, 236, 22, 64, 177, 
-    128, 112, 228, 57, 42, 226, 154, 64, 177, 128, 112, 42, 236, 22, 64, 177, 
-    228, 57, 128, 112, 42, 226, 154, 64, 177, 228, 57, 128, 112, 233, 21, 
-    251, 96, 228, 57, 245, 102, 112, 242, 137, 251, 96, 228, 57, 245, 102, 
-    112, 224, 206, 251, 96, 228, 57, 245, 102, 112, 218, 57, 251, 96, 228, 
-    57, 245, 102, 112, 228, 57, 228, 62, 218, 78, 226, 235, 247, 146, 228, 
-    57, 249, 196, 253, 246, 228, 62, 218, 77, 228, 57, 228, 62, 218, 78, 64, 
-    177, 128, 112, 247, 146, 228, 57, 249, 196, 253, 246, 228, 62, 218, 78, 
-    177, 245, 107, 67, 245, 171, 230, 227, 203, 245, 171, 120, 44, 248, 7, 
-    245, 171, 124, 44, 248, 7, 245, 171, 245, 178, 64, 2, 200, 203, 91, 245, 
-    178, 64, 2, 67, 252, 149, 253, 215, 245, 151, 64, 203, 91, 4, 245, 178, 
-    64, 2, 67, 252, 149, 253, 215, 245, 151, 64, 203, 91, 245, 178, 64, 2, 
-    59, 48, 245, 178, 64, 2, 226, 127, 4, 245, 178, 64, 2, 226, 127, 245, 
-    178, 64, 2, 214, 183, 245, 178, 64, 2, 113, 203, 218, 92, 249, 194, 2, 
-    200, 203, 91, 249, 194, 2, 67, 252, 149, 253, 215, 245, 151, 64, 203, 91, 
-    4, 249, 194, 2, 67, 252, 149, 253, 215, 245, 151, 64, 203, 91, 249, 194, 
-    2, 226, 127, 4, 249, 194, 2, 226, 127, 210, 160, 189, 252, 181, 231, 66, 
-    248, 2, 50, 245, 180, 75, 240, 241, 120, 254, 1, 124, 254, 1, 224, 178, 
-    225, 168, 212, 32, 232, 219, 43, 250, 189, 44, 250, 189, 43, 244, 65, 44, 
-    244, 65, 251, 183, 44, 249, 140, 251, 183, 43, 249, 140, 216, 15, 44, 
-    249, 140, 216, 15, 43, 249, 140, 223, 52, 228, 57, 50, 42, 232, 110, 254, 
-    33, 221, 166, 221, 173, 217, 2, 223, 123, 224, 244, 235, 245, 213, 165, 
-    218, 236, 225, 44, 64, 235, 214, 50, 215, 94, 228, 57, 50, 212, 42, 240, 
-    243, 216, 15, 43, 249, 168, 216, 15, 44, 249, 168, 251, 183, 43, 249, 
-    168, 251, 183, 44, 249, 168, 216, 15, 163, 235, 218, 251, 183, 163, 235, 
-    218, 243, 248, 219, 77, 120, 254, 2, 252, 32, 113, 203, 252, 137, 226, 
-    164, 234, 144, 245, 98, 216, 43, 216, 197, 222, 254, 211, 179, 236, 7, 
-    116, 223, 120, 251, 171, 234, 143, 233, 48, 254, 118, 127, 222, 250, 254, 
-    118, 127, 245, 98, 216, 43, 216, 197, 233, 52, 252, 43, 222, 236, 249, 
-    78, 254, 164, 254, 9, 217, 182, 216, 5, 222, 125, 247, 223, 226, 155, 
-    249, 206, 217, 53, 219, 88, 249, 159, 249, 158, 254, 74, 243, 232, 16, 
-    240, 158, 254, 74, 243, 232, 16, 218, 230, 224, 30, 254, 74, 243, 232, 
-    16, 224, 31, 245, 107, 254, 74, 243, 232, 16, 224, 31, 247, 182, 254, 74, 
-    243, 232, 16, 224, 31, 248, 0, 254, 74, 243, 232, 16, 224, 31, 235, 62, 
-    254, 74, 243, 232, 16, 224, 31, 250, 43, 254, 74, 243, 232, 16, 250, 44, 
-    218, 137, 254, 74, 243, 232, 16, 250, 44, 235, 62, 254, 74, 243, 232, 16, 
-    219, 98, 130, 254, 74, 243, 232, 16, 252, 189, 130, 254, 74, 243, 232, 
-    16, 224, 31, 219, 97, 254, 74, 243, 232, 16, 224, 31, 252, 188, 254, 74, 
-    243, 232, 16, 224, 31, 233, 20, 254, 74, 243, 232, 16, 224, 31, 242, 136, 
-    254, 74, 243, 232, 16, 140, 214, 19, 254, 74, 243, 232, 16, 97, 214, 19, 
-    254, 74, 243, 232, 16, 224, 31, 140, 75, 254, 74, 243, 232, 16, 224, 31, 
-    97, 75, 254, 74, 243, 232, 16, 250, 44, 252, 188, 254, 74, 243, 232, 16, 
-    124, 217, 89, 214, 183, 254, 74, 243, 232, 16, 248, 63, 218, 137, 254, 
-    74, 243, 232, 16, 224, 31, 124, 250, 246, 254, 74, 243, 232, 16, 224, 31, 
-    248, 62, 254, 74, 243, 232, 16, 124, 217, 89, 235, 62, 254, 74, 243, 232, 
-    16, 214, 153, 214, 19, 254, 74, 243, 232, 16, 224, 31, 214, 153, 75, 254, 
-    74, 243, 232, 16, 120, 217, 89, 226, 127, 254, 74, 243, 232, 16, 248, 74, 
-    218, 137, 254, 74, 243, 232, 16, 224, 31, 120, 250, 246, 254, 74, 243, 
-    232, 16, 224, 31, 248, 73, 254, 74, 243, 232, 16, 120, 217, 89, 235, 62, 
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-    243, 232, 16, 235, 63, 214, 183, 254, 74, 243, 232, 16, 250, 44, 214, 
-    183, 254, 74, 243, 232, 16, 120, 220, 7, 235, 62, 254, 74, 243, 232, 16, 
-    224, 0, 224, 30, 254, 74, 243, 232, 16, 250, 44, 218, 158, 254, 74, 243, 
-    232, 16, 224, 31, 249, 234, 254, 74, 243, 232, 16, 120, 217, 89, 248, 9, 
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-    248, 9, 254, 74, 243, 232, 16, 235, 63, 248, 9, 254, 74, 243, 232, 16, 
-    250, 44, 248, 9, 254, 74, 243, 232, 16, 124, 220, 7, 218, 137, 254, 74, 
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-    228, 130, 254, 74, 243, 232, 16, 248, 74, 184, 254, 74, 243, 232, 16, 
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-    220, 153, 214, 183, 254, 74, 243, 232, 16, 224, 31, 228, 57, 245, 107, 
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-    247, 184, 254, 74, 243, 232, 16, 120, 250, 247, 184, 254, 74, 243, 232, 
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-    205, 254, 74, 243, 232, 16, 254, 152, 214, 183, 254, 74, 243, 232, 16, 
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-    243, 232, 16, 226, 206, 214, 183, 254, 74, 243, 232, 16, 254, 151, 228, 
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-    226, 8, 214, 160, 103, 44, 226, 8, 245, 29, 44, 226, 8, 232, 114, 103, 
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-    251, 166, 232, 114, 249, 168, 44, 42, 251, 166, 214, 160, 249, 168, 44, 
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-    249, 107, 251, 166, 214, 160, 103, 44, 249, 107, 251, 166, 230, 229, 225, 
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-    220, 245, 29, 214, 160, 43, 177, 232, 114, 44, 249, 107, 251, 166, 221, 
-    174, 214, 160, 44, 177, 232, 114, 43, 249, 107, 251, 166, 221, 174, 218, 
-    42, 216, 14, 218, 42, 251, 182, 216, 15, 42, 127, 251, 183, 42, 127, 251, 
-    183, 42, 251, 166, 115, 216, 15, 42, 127, 34, 16, 251, 182, 43, 67, 93, 
-    232, 219, 44, 67, 93, 232, 219, 203, 221, 207, 232, 218, 203, 221, 207, 
-    232, 217, 203, 221, 207, 232, 216, 203, 221, 207, 232, 215, 248, 54, 16, 
-    193, 67, 22, 216, 15, 222, 254, 248, 54, 16, 193, 67, 22, 251, 183, 222, 
-    254, 248, 54, 16, 193, 67, 2, 250, 43, 248, 54, 16, 193, 124, 22, 203, 2, 
-    250, 43, 248, 54, 16, 193, 120, 22, 203, 2, 250, 43, 248, 54, 16, 193, 
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-    16, 193, 120, 22, 203, 2, 215, 226, 248, 54, 16, 193, 67, 22, 212, 35, 
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-    203, 2, 212, 35, 248, 54, 16, 193, 124, 22, 241, 51, 248, 54, 16, 193, 
-    120, 22, 241, 51, 248, 54, 16, 193, 67, 22, 216, 15, 233, 52, 248, 54, 
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-    231, 38, 113, 219, 240, 115, 232, 143, 231, 38, 113, 219, 240, 235, 70, 
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-    251, 183, 249, 107, 127, 216, 15, 216, 7, 220, 55, 127, 251, 183, 216, 7, 
-    220, 55, 127, 71, 215, 240, 252, 43, 222, 237, 2, 250, 43, 218, 122, 244, 
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-    250, 52, 215, 226, 85, 233, 48, 52, 215, 226, 85, 214, 162, 52, 215, 226, 
-    85, 246, 113, 52, 215, 226, 85, 222, 250, 52, 215, 227, 2, 67, 130, 85, 
-    233, 48, 52, 215, 227, 2, 67, 130, 85, 222, 250, 215, 227, 2, 52, 67, 
-    130, 254, 182, 250, 11, 218, 128, 216, 87, 250, 11, 240, 244, 2, 244, 58, 
-    221, 243, 16, 31, 227, 206, 16, 31, 218, 154, 64, 241, 240, 16, 31, 218, 
-    154, 64, 216, 213, 16, 31, 245, 151, 64, 216, 213, 16, 31, 245, 151, 64, 
-    215, 244, 16, 31, 245, 140, 16, 31, 255, 16, 16, 31, 252, 52, 16, 31, 
-    252, 187, 16, 31, 203, 217, 90, 16, 31, 232, 220, 244, 153, 16, 31, 67, 
-    217, 90, 16, 31, 244, 28, 244, 153, 16, 31, 250, 238, 223, 56, 16, 31, 
-    220, 30, 226, 134, 16, 31, 220, 30, 236, 6, 16, 31, 248, 159, 232, 210, 
-    245, 85, 16, 31, 248, 39, 249, 186, 111, 16, 31, 248, 39, 249, 186, 105, 
-    16, 31, 248, 39, 249, 186, 158, 16, 31, 248, 39, 249, 186, 161, 16, 31, 
-    152, 255, 16, 16, 31, 217, 178, 236, 69, 16, 31, 245, 151, 64, 215, 245, 
-    251, 221, 16, 31, 251, 13, 16, 31, 245, 151, 64, 231, 86, 16, 31, 218, 
-    62, 16, 31, 245, 85, 16, 31, 244, 115, 220, 139, 16, 31, 242, 128, 220, 
-    139, 16, 31, 223, 124, 220, 139, 16, 31, 214, 174, 220, 139, 16, 31, 219, 
-    20, 16, 31, 248, 71, 251, 224, 87, 204, 251, 171, 16, 31, 229, 90, 16, 
-    31, 248, 72, 244, 28, 105, 16, 31, 218, 63, 244, 28, 105, 226, 245, 103, 
-    226, 245, 250, 160, 226, 245, 244, 31, 226, 245, 235, 200, 244, 31, 226, 
-    245, 252, 50, 251, 132, 226, 245, 251, 178, 216, 112, 226, 245, 251, 163, 
-    252, 154, 240, 110, 226, 245, 254, 135, 64, 250, 137, 226, 245, 248, 164, 
-    226, 245, 249, 95, 255, 20, 227, 204, 226, 245, 52, 252, 188, 37, 21, 
-    111, 37, 21, 105, 37, 21, 158, 37, 21, 161, 37, 21, 190, 37, 21, 195, 37, 
-    21, 199, 37, 21, 196, 37, 21, 201, 37, 54, 216, 248, 37, 54, 245, 175, 
-    37, 54, 215, 76, 37, 54, 216, 165, 37, 54, 244, 13, 37, 54, 244, 126, 37, 
-    54, 219, 121, 37, 54, 220, 121, 37, 54, 245, 198, 37, 54, 228, 202, 37, 
-    54, 215, 73, 88, 21, 111, 88, 21, 105, 88, 21, 158, 88, 21, 161, 88, 21, 
-    190, 88, 21, 195, 88, 21, 199, 88, 21, 196, 88, 21, 201, 88, 54, 216, 
-    248, 88, 54, 245, 175, 88, 54, 215, 76, 88, 54, 216, 165, 88, 54, 244, 
-    13, 88, 54, 244, 126, 88, 54, 219, 121, 88, 54, 220, 121, 88, 54, 245, 
-    198, 88, 54, 228, 202, 88, 54, 215, 73, 21, 123, 243, 236, 218, 131, 21, 
-    113, 243, 236, 218, 131, 21, 134, 243, 236, 218, 131, 21, 244, 19, 243, 
-    236, 218, 131, 21, 244, 89, 243, 236, 218, 131, 21, 219, 127, 243, 236, 
-    218, 131, 21, 220, 124, 243, 236, 218, 131, 21, 245, 201, 243, 236, 218, 
-    131, 21, 228, 205, 243, 236, 218, 131, 54, 216, 249, 243, 236, 218, 131, 
-    54, 245, 176, 243, 236, 218, 131, 54, 215, 77, 243, 236, 218, 131, 54, 
-    216, 166, 243, 236, 218, 131, 54, 244, 14, 243, 236, 218, 131, 54, 244, 
-    127, 243, 236, 218, 131, 54, 219, 122, 243, 236, 218, 131, 54, 220, 122, 
-    243, 236, 218, 131, 54, 245, 199, 243, 236, 218, 131, 54, 228, 203, 243, 
-    236, 218, 131, 54, 215, 74, 243, 236, 218, 131, 88, 7, 4, 1, 61, 88, 7, 
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-    76, 88, 7, 4, 1, 245, 14, 88, 7, 4, 1, 243, 209, 88, 7, 4, 1, 242, 67, 
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-    1, 156, 88, 7, 4, 1, 194, 88, 7, 4, 1, 230, 30, 88, 7, 4, 1, 78, 88, 7, 
-    4, 1, 226, 109, 88, 7, 4, 1, 224, 99, 88, 7, 4, 1, 153, 88, 7, 4, 1, 222, 
-    93, 88, 7, 4, 1, 217, 153, 88, 7, 4, 1, 69, 88, 7, 4, 1, 214, 105, 88, 7, 
-    4, 1, 212, 98, 88, 7, 4, 1, 211, 178, 88, 7, 4, 1, 211, 117, 88, 7, 4, 1, 
-    210, 159, 37, 7, 6, 1, 61, 37, 7, 6, 1, 253, 166, 37, 7, 6, 1, 251, 74, 
-    37, 7, 6, 1, 249, 68, 37, 7, 6, 1, 76, 37, 7, 6, 1, 245, 14, 37, 7, 6, 1, 
-    243, 209, 37, 7, 6, 1, 242, 67, 37, 7, 6, 1, 74, 37, 7, 6, 1, 235, 150, 
-    37, 7, 6, 1, 235, 29, 37, 7, 6, 1, 156, 37, 7, 6, 1, 194, 37, 7, 6, 1, 
-    230, 30, 37, 7, 6, 1, 78, 37, 7, 6, 1, 226, 109, 37, 7, 6, 1, 224, 99, 
-    37, 7, 6, 1, 153, 37, 7, 6, 1, 222, 93, 37, 7, 6, 1, 217, 153, 37, 7, 6, 
-    1, 69, 37, 7, 6, 1, 214, 105, 37, 7, 6, 1, 212, 98, 37, 7, 6, 1, 211, 
-    178, 37, 7, 6, 1, 211, 117, 37, 7, 6, 1, 210, 159, 37, 7, 4, 1, 61, 37, 
-    7, 4, 1, 253, 166, 37, 7, 4, 1, 251, 74, 37, 7, 4, 1, 249, 68, 37, 7, 4, 
-    1, 76, 37, 7, 4, 1, 245, 14, 37, 7, 4, 1, 243, 209, 37, 7, 4, 1, 242, 67, 
-    37, 7, 4, 1, 74, 37, 7, 4, 1, 235, 150, 37, 7, 4, 1, 235, 29, 37, 7, 4, 
-    1, 156, 37, 7, 4, 1, 194, 37, 7, 4, 1, 230, 30, 37, 7, 4, 1, 78, 37, 7, 
-    4, 1, 226, 109, 37, 7, 4, 1, 224, 99, 37, 7, 4, 1, 153, 37, 7, 4, 1, 222, 
-    93, 37, 7, 4, 1, 217, 153, 37, 7, 4, 1, 69, 37, 7, 4, 1, 214, 105, 37, 7, 
-    4, 1, 212, 98, 37, 7, 4, 1, 211, 178, 37, 7, 4, 1, 211, 117, 37, 7, 4, 1, 
-    210, 159, 37, 21, 210, 86, 152, 37, 54, 245, 175, 152, 37, 54, 215, 76, 
-    152, 37, 54, 216, 165, 152, 37, 54, 244, 13, 152, 37, 54, 244, 126, 152, 
-    37, 54, 219, 121, 152, 37, 54, 220, 121, 152, 37, 54, 245, 198, 152, 37, 
-    54, 228, 202, 152, 37, 54, 215, 73, 52, 37, 21, 111, 52, 37, 21, 105, 52, 
-    37, 21, 158, 52, 37, 21, 161, 52, 37, 21, 190, 52, 37, 21, 195, 52, 37, 
-    21, 199, 52, 37, 21, 196, 52, 37, 21, 201, 52, 37, 54, 216, 248, 152, 37, 
-    21, 210, 86, 93, 99, 193, 241, 51, 93, 99, 114, 241, 51, 93, 99, 193, 
-    213, 239, 93, 99, 114, 213, 239, 93, 99, 193, 215, 212, 248, 165, 241, 
-    51, 93, 99, 114, 215, 212, 248, 165, 241, 51, 93, 99, 193, 215, 212, 248, 
-    165, 213, 239, 93, 99, 114, 215, 212, 248, 165, 213, 239, 93, 99, 193, 
-    224, 27, 248, 165, 241, 51, 93, 99, 114, 224, 27, 248, 165, 241, 51, 93, 
-    99, 193, 224, 27, 248, 165, 213, 239, 93, 99, 114, 224, 27, 248, 165, 
-    213, 239, 93, 99, 193, 124, 22, 222, 254, 93, 99, 124, 193, 22, 44, 241, 
-    228, 93, 99, 124, 114, 22, 44, 232, 236, 93, 99, 114, 124, 22, 222, 254, 
-    93, 99, 193, 124, 22, 233, 52, 93, 99, 124, 193, 22, 43, 241, 228, 93, 
-    99, 124, 114, 22, 43, 232, 236, 93, 99, 114, 124, 22, 233, 52, 93, 99, 
-    193, 120, 22, 222, 254, 93, 99, 120, 193, 22, 44, 241, 228, 93, 99, 120, 
-    114, 22, 44, 232, 236, 93, 99, 114, 120, 22, 222, 254, 93, 99, 193, 120, 
-    22, 233, 52, 93, 99, 120, 193, 22, 43, 241, 228, 93, 99, 120, 114, 22, 
-    43, 232, 236, 93, 99, 114, 120, 22, 233, 52, 93, 99, 193, 67, 22, 222, 
-    254, 93, 99, 67, 193, 22, 44, 241, 228, 93, 99, 120, 114, 22, 44, 124, 
-    232, 236, 93, 99, 124, 114, 22, 44, 120, 232, 236, 93, 99, 67, 114, 22, 
-    44, 232, 236, 93, 99, 124, 193, 22, 44, 120, 241, 228, 93, 99, 120, 193, 
-    22, 44, 124, 241, 228, 93, 99, 114, 67, 22, 222, 254, 93, 99, 193, 67, 
-    22, 233, 52, 93, 99, 67, 193, 22, 43, 241, 228, 93, 99, 120, 114, 22, 43, 
-    124, 232, 236, 93, 99, 124, 114, 22, 43, 120, 232, 236, 93, 99, 67, 114, 
-    22, 43, 232, 236, 93, 99, 124, 193, 22, 43, 120, 241, 228, 93, 99, 120, 
-    193, 22, 43, 124, 241, 228, 93, 99, 114, 67, 22, 233, 52, 93, 99, 193, 
-    124, 22, 241, 51, 93, 99, 43, 114, 22, 44, 124, 232, 236, 93, 99, 44, 
-    114, 22, 43, 124, 232, 236, 93, 99, 124, 193, 22, 203, 241, 228, 93, 99, 
-    124, 114, 22, 203, 232, 236, 93, 99, 44, 193, 22, 43, 124, 241, 228, 93, 
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-    99, 44, 114, 22, 43, 120, 232, 236, 93, 99, 120, 193, 22, 203, 241, 228, 
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-    228, 93, 99, 43, 193, 22, 44, 120, 241, 228, 93, 99, 114, 120, 22, 241, 
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-    228, 93, 99, 120, 114, 22, 124, 203, 232, 236, 93, 99, 124, 114, 22, 120, 
-    203, 232, 236, 93, 99, 67, 114, 22, 203, 232, 236, 93, 99, 43, 120, 114, 
-    22, 44, 124, 232, 236, 93, 99, 44, 120, 114, 22, 43, 124, 232, 236, 93, 
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-    120, 232, 236, 93, 99, 124, 193, 22, 120, 203, 241, 228, 93, 99, 120, 
-    193, 22, 124, 203, 241, 228, 93, 99, 44, 193, 22, 43, 67, 241, 228, 93, 
-    99, 43, 193, 22, 44, 67, 241, 228, 93, 99, 114, 67, 22, 241, 51, 93, 99, 
-    193, 52, 248, 165, 241, 51, 93, 99, 114, 52, 248, 165, 241, 51, 93, 99, 
-    193, 52, 248, 165, 213, 239, 93, 99, 114, 52, 248, 165, 213, 239, 93, 99, 
-    52, 241, 51, 93, 99, 52, 213, 239, 93, 99, 124, 219, 157, 22, 44, 246, 
-    121, 93, 99, 124, 52, 22, 44, 219, 156, 93, 99, 52, 124, 22, 222, 254, 
-    93, 99, 124, 219, 157, 22, 43, 246, 121, 93, 99, 124, 52, 22, 43, 219, 
-    156, 93, 99, 52, 124, 22, 233, 52, 93, 99, 120, 219, 157, 22, 44, 246, 
-    121, 93, 99, 120, 52, 22, 44, 219, 156, 93, 99, 52, 120, 22, 222, 254, 
-    93, 99, 120, 219, 157, 22, 43, 246, 121, 93, 99, 120, 52, 22, 43, 219, 
-    156, 93, 99, 52, 120, 22, 233, 52, 93, 99, 67, 219, 157, 22, 44, 246, 
-    121, 93, 99, 67, 52, 22, 44, 219, 156, 93, 99, 52, 67, 22, 222, 254, 93, 
-    99, 67, 219, 157, 22, 43, 246, 121, 93, 99, 67, 52, 22, 43, 219, 156, 93, 
-    99, 52, 67, 22, 233, 52, 93, 99, 124, 219, 157, 22, 203, 246, 121, 93, 
-    99, 124, 52, 22, 203, 219, 156, 93, 99, 52, 124, 22, 241, 51, 93, 99, 
-    120, 219, 157, 22, 203, 246, 121, 93, 99, 120, 52, 22, 203, 219, 156, 93, 
-    99, 52, 120, 22, 241, 51, 93, 99, 67, 219, 157, 22, 203, 246, 121, 93, 
-    99, 67, 52, 22, 203, 219, 156, 93, 99, 52, 67, 22, 241, 51, 93, 99, 193, 
-    254, 34, 124, 22, 222, 254, 93, 99, 193, 254, 34, 124, 22, 233, 52, 93, 
-    99, 193, 254, 34, 120, 22, 233, 52, 93, 99, 193, 254, 34, 120, 22, 222, 
-    254, 93, 99, 193, 248, 7, 214, 160, 44, 216, 43, 232, 114, 233, 52, 93, 
-    99, 193, 248, 7, 214, 160, 43, 216, 43, 232, 114, 222, 254, 93, 99, 193, 
-    248, 7, 249, 138, 93, 99, 193, 233, 52, 93, 99, 193, 214, 163, 93, 99, 
-    193, 222, 254, 93, 99, 193, 246, 114, 93, 99, 114, 233, 52, 93, 99, 114, 
-    214, 163, 93, 99, 114, 222, 254, 93, 99, 114, 246, 114, 93, 99, 193, 43, 
-    22, 114, 222, 254, 93, 99, 193, 120, 22, 114, 246, 114, 93, 99, 114, 43, 
-    22, 193, 222, 254, 93, 99, 114, 120, 22, 193, 246, 114, 214, 160, 163, 
-    251, 221, 232, 114, 123, 245, 197, 251, 221, 232, 114, 123, 224, 25, 251, 
-    221, 232, 114, 134, 245, 195, 251, 221, 232, 114, 163, 251, 221, 232, 
-    114, 244, 89, 245, 195, 251, 221, 232, 114, 134, 224, 23, 251, 221, 232, 
-    114, 220, 124, 245, 195, 251, 221, 243, 236, 251, 221, 43, 220, 124, 245, 
-    195, 251, 221, 43, 134, 224, 23, 251, 221, 43, 244, 89, 245, 195, 251, 
-    221, 43, 163, 251, 221, 43, 134, 245, 195, 251, 221, 43, 123, 224, 25, 
-    251, 221, 43, 123, 245, 197, 251, 221, 44, 163, 251, 221, 193, 220, 94, 
-    231, 87, 220, 94, 248, 170, 220, 94, 214, 160, 123, 245, 197, 251, 221, 
-    44, 123, 245, 197, 251, 221, 224, 29, 232, 114, 233, 52, 224, 29, 232, 
-    114, 222, 254, 224, 29, 214, 160, 233, 52, 224, 29, 214, 160, 43, 22, 
-    232, 114, 43, 22, 232, 114, 222, 254, 224, 29, 214, 160, 43, 22, 232, 
-    114, 222, 254, 224, 29, 214, 160, 43, 22, 214, 160, 44, 22, 232, 114, 
-    233, 52, 224, 29, 214, 160, 43, 22, 214, 160, 44, 22, 232, 114, 222, 254, 
-    224, 29, 214, 160, 222, 254, 224, 29, 214, 160, 44, 22, 232, 114, 233, 
-    52, 224, 29, 214, 160, 44, 22, 232, 114, 43, 22, 232, 114, 222, 254, 85, 
-    218, 236, 71, 218, 236, 71, 42, 2, 222, 185, 249, 167, 71, 42, 249, 195, 
-    85, 4, 218, 236, 42, 2, 203, 244, 113, 42, 2, 67, 244, 113, 42, 2, 226, 
-    148, 249, 134, 244, 113, 42, 2, 214, 160, 43, 216, 43, 232, 114, 44, 244, 
-    113, 42, 2, 214, 160, 44, 216, 43, 232, 114, 43, 244, 113, 42, 2, 248, 7, 
-    249, 134, 244, 113, 85, 4, 218, 236, 71, 4, 218, 236, 85, 223, 119, 71, 
-    223, 119, 85, 67, 223, 119, 71, 67, 223, 119, 85, 226, 10, 71, 226, 10, 
-    85, 214, 162, 215, 226, 71, 214, 162, 215, 226, 85, 214, 162, 4, 215, 
-    226, 71, 214, 162, 4, 215, 226, 85, 222, 250, 215, 226, 71, 222, 250, 
-    215, 226, 85, 222, 250, 4, 215, 226, 71, 222, 250, 4, 215, 226, 85, 222, 
-    250, 225, 11, 71, 222, 250, 225, 11, 85, 246, 113, 215, 226, 71, 246, 
-    113, 215, 226, 85, 246, 113, 4, 215, 226, 71, 246, 113, 4, 215, 226, 85, 
-    233, 48, 215, 226, 71, 233, 48, 215, 226, 85, 233, 48, 4, 215, 226, 71, 
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-    215, 46, 225, 37, 223, 115, 16, 31, 215, 45, 225, 37, 223, 115, 16, 31, 
-    215, 44, 225, 37, 223, 115, 16, 31, 215, 43, 225, 37, 223, 115, 16, 31, 
-    215, 42, 225, 37, 223, 115, 16, 31, 243, 57, 231, 143, 85, 214, 171, 223, 
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-    233, 19, 210, 253, 247, 232, 31, 233, 19, 211, 69, 247, 232, 31, 242, 
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-    249, 136, 217, 236, 218, 166, 64, 254, 235, 221, 208, 254, 178, 244, 59, 
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-    218, 158, 134, 232, 214, 249, 183, 222, 254, 134, 232, 214, 249, 183, 
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-    244, 146, 50, 231, 195, 2, 218, 105, 50, 231, 195, 2, 218, 105, 22, 231, 
-    195, 22, 244, 146, 50, 67, 231, 195, 2, 218, 105, 50, 203, 231, 195, 2, 
-    218, 105, 50, 231, 87, 71, 250, 43, 231, 87, 85, 250, 43, 231, 87, 4, 71, 
-    250, 43, 231, 158, 87, 247, 175, 87, 214, 169, 225, 255, 87, 249, 239, 
-    243, 231, 214, 141, 229, 93, 250, 169, 226, 65, 235, 50, 213, 185, 250, 
-    101, 85, 230, 134, 232, 231, 220, 114, 220, 149, 224, 8, 220, 132, 219, 
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-    101, 234, 84, 85, 246, 101, 231, 190, 85, 246, 101, 234, 84, 219, 63, 
-    211, 230, 219, 66, 218, 39, 252, 59, 249, 255, 223, 162, 85, 219, 62, 
-    216, 135, 250, 0, 22, 223, 162, 215, 94, 71, 220, 4, 225, 104, 215, 94, 
-    85, 220, 4, 225, 104, 71, 248, 1, 236, 7, 218, 236, 249, 133, 233, 97, 
-    247, 201, 250, 252, 226, 170, 225, 107, 250, 253, 219, 90, 241, 219, 2, 
-    71, 249, 138, 37, 249, 133, 233, 97, 250, 161, 228, 80, 245, 132, 254, 
-    149, 226, 195, 43, 212, 26, 215, 252, 85, 215, 55, 43, 212, 26, 215, 252, 
-    71, 215, 55, 43, 212, 26, 215, 252, 85, 43, 233, 98, 231, 58, 71, 43, 
-    233, 98, 231, 58, 246, 97, 219, 84, 50, 114, 71, 246, 113, 215, 226, 43, 
-    250, 8, 245, 132, 92, 222, 0, 244, 183, 248, 7, 236, 7, 71, 250, 44, 236, 
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-    130, 253, 219, 16, 31, 214, 145, 114, 250, 44, 2, 218, 105, 22, 113, 170, 
-    48, 225, 192, 222, 251, 235, 212, 225, 192, 233, 49, 235, 212, 225, 192, 
-    235, 200, 225, 192, 85, 249, 139, 226, 201, 220, 31, 220, 19, 219, 231, 
-    250, 69, 250, 234, 241, 164, 219, 128, 243, 68, 211, 230, 240, 227, 243, 
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-    242, 129, 244, 20, 244, 82, 236, 7, 241, 66, 244, 137, 222, 16, 42, 244, 
-    19, 249, 167, 219, 106, 240, 119, 219, 109, 225, 171, 2, 252, 167, 216, 
-    243, 235, 137, 252, 154, 87, 241, 238, 242, 140, 87, 243, 239, 224, 145, 
-    249, 111, 226, 201, 85, 218, 236, 71, 244, 82, 2, 203, 230, 229, 85, 218, 
-    106, 214, 160, 251, 225, 221, 195, 85, 221, 195, 232, 114, 251, 225, 221, 
-    195, 71, 221, 195, 71, 114, 250, 138, 79, 217, 2, 232, 160, 50, 217, 54, 
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-    174, 242, 22, 211, 198, 242, 22, 232, 114, 44, 225, 201, 225, 201, 214, 
-    160, 44, 225, 201, 71, 228, 235, 85, 228, 235, 250, 138, 79, 114, 250, 
-    138, 79, 230, 89, 211, 178, 114, 230, 89, 211, 178, 252, 164, 211, 178, 
-    114, 252, 164, 211, 178, 226, 130, 26, 249, 138, 114, 26, 249, 138, 204, 
-    250, 183, 249, 138, 114, 204, 250, 183, 249, 138, 7, 249, 138, 220, 93, 
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-    248, 157, 244, 19, 217, 16, 253, 224, 244, 19, 252, 165, 253, 224, 114, 
-    244, 19, 252, 165, 253, 224, 244, 19, 249, 251, 253, 224, 85, 244, 19, 
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-    226, 130, 71, 218, 158, 37, 71, 218, 158, 204, 250, 183, 85, 218, 158, 
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-    218, 158, 225, 63, 218, 158, 220, 93, 71, 218, 158, 114, 253, 224, 204, 
-    250, 183, 253, 224, 245, 201, 218, 246, 253, 224, 245, 201, 225, 12, 85, 
-    218, 158, 245, 201, 225, 12, 225, 63, 218, 158, 219, 127, 225, 12, 85, 
-    218, 158, 245, 201, 225, 12, 223, 117, 85, 218, 158, 114, 245, 201, 225, 
-    12, 223, 117, 85, 218, 158, 215, 77, 225, 12, 85, 218, 158, 219, 122, 
-    225, 12, 253, 224, 217, 16, 253, 224, 204, 250, 183, 217, 16, 253, 224, 
-    114, 217, 16, 253, 224, 219, 127, 225, 160, 85, 22, 71, 244, 62, 85, 244, 
-    62, 71, 244, 62, 245, 201, 225, 160, 226, 130, 85, 244, 62, 37, 204, 250, 
-    183, 245, 201, 225, 12, 218, 158, 114, 217, 16, 225, 63, 253, 224, 219, 
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-    219, 15, 252, 165, 253, 224, 245, 201, 217, 16, 224, 174, 253, 224, 114, 
-    245, 201, 217, 16, 224, 174, 253, 224, 249, 139, 79, 220, 93, 71, 250, 
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-    44, 246, 94, 71, 218, 236, 232, 114, 44, 220, 93, 71, 218, 236, 214, 160, 
-    44, 220, 93, 71, 218, 236, 85, 224, 16, 164, 226, 151, 71, 224, 16, 164, 
-    226, 151, 71, 245, 39, 164, 226, 151, 85, 248, 1, 230, 187, 71, 211, 178, 
-    114, 245, 39, 164, 87, 193, 67, 130, 231, 87, 67, 130, 114, 67, 130, 114, 
-    219, 157, 215, 94, 249, 228, 224, 1, 164, 226, 151, 114, 219, 157, 249, 
-    228, 224, 1, 164, 226, 151, 114, 52, 215, 94, 249, 228, 224, 1, 164, 226, 
-    151, 114, 52, 249, 228, 224, 1, 164, 226, 151, 114, 121, 219, 157, 249, 
-    228, 224, 1, 164, 226, 151, 114, 121, 52, 249, 228, 224, 1, 164, 226, 
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-    114, 85, 241, 235, 251, 121, 244, 63, 241, 234, 222, 189, 244, 63, 241, 
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-    151, 231, 87, 244, 71, 43, 226, 8, 226, 151, 231, 87, 244, 71, 44, 226, 
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-    48, 254, 118, 251, 166, 226, 151, 114, 222, 250, 254, 118, 251, 166, 226, 
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-    55, 251, 166, 226, 151, 231, 87, 43, 249, 107, 251, 166, 226, 151, 231, 
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-    212, 152, 37, 21, 105, 247, 212, 152, 37, 21, 158, 247, 212, 152, 37, 21, 
-    161, 247, 212, 152, 37, 21, 190, 247, 212, 152, 37, 21, 195, 247, 212, 
-    152, 37, 21, 199, 247, 212, 152, 37, 21, 196, 247, 212, 152, 37, 21, 201, 
-    247, 212, 152, 37, 54, 216, 248, 247, 212, 37, 35, 21, 111, 247, 212, 37, 
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-    212, 37, 35, 21, 190, 247, 212, 37, 35, 21, 195, 247, 212, 37, 35, 21, 
-    199, 247, 212, 37, 35, 21, 196, 247, 212, 37, 35, 21, 201, 247, 212, 37, 
-    35, 54, 216, 248, 247, 212, 152, 37, 35, 21, 111, 247, 212, 152, 37, 35, 
-    21, 105, 247, 212, 152, 37, 35, 21, 158, 247, 212, 152, 37, 35, 21, 161, 
-    247, 212, 152, 37, 35, 21, 190, 247, 212, 152, 37, 35, 21, 195, 247, 212, 
-    152, 37, 35, 21, 199, 247, 212, 152, 37, 35, 21, 196, 247, 212, 152, 37, 
-    35, 21, 201, 247, 212, 152, 37, 35, 54, 216, 248, 114, 211, 246, 97, 75, 
-    114, 96, 50, 114, 230, 187, 50, 114, 247, 177, 50, 114, 219, 30, 245, 
-    228, 75, 114, 97, 75, 114, 228, 61, 245, 228, 75, 246, 106, 225, 14, 97, 
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-    114, 85, 249, 99, 246, 112, 22, 97, 75, 114, 85, 249, 99, 214, 153, 22, 
-    97, 75, 218, 233, 85, 97, 75, 114, 249, 214, 85, 97, 75, 222, 249, 71, 
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-    220, 93, 71, 97, 75, 114, 232, 114, 222, 248, 71, 97, 75, 114, 214, 160, 
-    222, 248, 71, 97, 75, 228, 54, 232, 114, 222, 248, 71, 97, 75, 249, 107, 
-    232, 129, 228, 54, 214, 160, 222, 248, 71, 97, 75, 37, 114, 71, 97, 75, 
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-    228, 228, 61, 245, 228, 75, 114, 251, 228, 219, 30, 245, 228, 75, 114, 
-    251, 228, 97, 75, 114, 251, 228, 228, 61, 245, 228, 75, 217, 18, 97, 75, 
-    114, 217, 17, 97, 75, 212, 18, 97, 75, 114, 212, 18, 97, 75, 226, 176, 
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-    249, 195, 4, 71, 215, 226, 225, 174, 204, 218, 64, 204, 218, 22, 43, 222, 
-    92, 252, 181, 248, 68, 44, 222, 92, 252, 181, 248, 68, 177, 2, 59, 235, 
-    222, 223, 53, 219, 49, 224, 204, 218, 64, 218, 23, 224, 204, 219, 48, 67, 
-    252, 149, 2, 203, 91, 11, 222, 231, 248, 6, 200, 247, 176, 11, 244, 183, 
-    248, 6, 92, 232, 152, 254, 126, 92, 232, 152, 226, 162, 71, 248, 1, 2, 
-    250, 181, 247, 128, 22, 2, 247, 128, 245, 178, 64, 226, 174, 214, 152, 
-    232, 114, 44, 249, 169, 2, 247, 128, 214, 160, 43, 249, 169, 2, 247, 128, 
-    43, 226, 132, 235, 72, 44, 226, 132, 235, 72, 243, 236, 226, 132, 235, 
-    72, 233, 91, 120, 217, 88, 233, 91, 124, 217, 88, 43, 22, 44, 52, 215, 
-    93, 43, 22, 44, 217, 88, 43, 230, 92, 200, 44, 217, 88, 200, 43, 217, 88, 
-    120, 217, 89, 2, 250, 44, 48, 232, 111, 247, 181, 251, 86, 203, 222, 135, 
-    71, 249, 213, 248, 0, 71, 249, 213, 248, 1, 2, 140, 216, 115, 71, 249, 
-    213, 248, 1, 2, 97, 216, 115, 71, 42, 2, 140, 216, 115, 71, 42, 2, 97, 
-    216, 115, 11, 43, 71, 42, 127, 11, 44, 71, 42, 127, 11, 43, 254, 118, 
-    127, 11, 44, 254, 118, 127, 11, 43, 52, 254, 118, 127, 11, 44, 52, 254, 
-    118, 127, 11, 43, 71, 216, 7, 220, 55, 127, 11, 44, 71, 216, 7, 220, 55, 
-    127, 11, 43, 244, 71, 226, 7, 11, 44, 244, 71, 226, 7, 214, 153, 224, 27, 
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-    105, 250, 44, 75, 44, 80, 2, 37, 225, 25, 200, 140, 75, 200, 97, 75, 200, 
-    43, 44, 75, 200, 140, 52, 75, 200, 97, 52, 75, 200, 43, 44, 52, 75, 200, 
-    140, 80, 243, 251, 130, 200, 97, 80, 243, 251, 130, 200, 140, 52, 80, 
-    243, 251, 130, 200, 97, 52, 80, 243, 251, 130, 200, 97, 218, 232, 75, 46, 
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-    246, 188, 46, 47, 247, 59, 46, 47, 246, 251, 46, 47, 247, 122, 46, 47, 
-    246, 141, 46, 47, 247, 12, 46, 47, 246, 204, 46, 47, 247, 75, 46, 47, 
-    246, 172, 46, 47, 247, 43, 46, 47, 246, 235, 46, 47, 247, 106, 46, 47, 
-    246, 156, 46, 47, 247, 27, 46, 47, 246, 219, 46, 47, 247, 90, 46, 47, 
-    246, 187, 46, 47, 247, 58, 46, 47, 246, 250, 46, 47, 247, 121, 46, 47, 
-    246, 133, 46, 47, 247, 4, 46, 47, 246, 196, 46, 47, 247, 67, 46, 47, 246, 
-    164, 46, 47, 247, 35, 46, 47, 246, 227, 46, 47, 247, 98, 46, 47, 246, 
-    148, 46, 47, 247, 19, 46, 47, 246, 211, 46, 47, 247, 82, 46, 47, 246, 
-    179, 46, 47, 247, 50, 46, 47, 246, 242, 46, 47, 247, 113, 46, 47, 246, 
-    140, 46, 47, 247, 11, 46, 47, 246, 203, 46, 47, 247, 74, 46, 47, 246, 
-    171, 46, 47, 247, 42, 46, 47, 246, 234, 46, 47, 247, 105, 46, 47, 246, 
-    155, 46, 47, 247, 26, 46, 47, 246, 218, 46, 47, 247, 89, 46, 47, 246, 
-    186, 46, 47, 247, 57, 46, 47, 246, 249, 46, 47, 247, 120, 46, 47, 246, 
-    129, 46, 47, 247, 0, 46, 47, 246, 192, 46, 47, 247, 63, 46, 47, 246, 160, 
-    46, 47, 247, 31, 46, 47, 246, 223, 46, 47, 247, 94, 46, 47, 246, 144, 46, 
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-    247, 46, 46, 47, 246, 238, 46, 47, 247, 109, 46, 47, 246, 136, 46, 47, 
-    247, 7, 46, 47, 246, 199, 46, 47, 247, 70, 46, 47, 246, 167, 46, 47, 247, 
-    38, 46, 47, 246, 230, 46, 47, 247, 101, 46, 47, 246, 151, 46, 47, 247, 
-    22, 46, 47, 246, 214, 46, 47, 247, 85, 46, 47, 246, 182, 46, 47, 247, 53, 
-    46, 47, 246, 245, 46, 47, 247, 116, 46, 47, 246, 132, 46, 47, 247, 3, 46, 
-    47, 246, 195, 46, 47, 247, 66, 46, 47, 246, 163, 46, 47, 247, 34, 46, 47, 
-    246, 226, 46, 47, 247, 97, 46, 47, 246, 147, 46, 47, 247, 18, 46, 47, 
-    246, 210, 46, 47, 247, 81, 46, 47, 246, 178, 46, 47, 247, 49, 46, 47, 
-    246, 241, 46, 47, 247, 112, 46, 47, 246, 139, 46, 47, 247, 10, 46, 47, 
-    246, 202, 46, 47, 247, 73, 46, 47, 246, 170, 46, 47, 247, 41, 46, 47, 
-    246, 233, 46, 47, 247, 104, 46, 47, 246, 154, 46, 47, 247, 25, 46, 47, 
-    246, 217, 46, 47, 247, 88, 46, 47, 246, 185, 46, 47, 247, 56, 46, 47, 
-    246, 248, 46, 47, 247, 119, 46, 47, 246, 127, 46, 47, 246, 254, 46, 47, 
-    246, 190, 46, 47, 247, 61, 46, 47, 246, 158, 46, 47, 247, 29, 46, 47, 
-    246, 221, 46, 47, 247, 92, 46, 47, 246, 142, 46, 47, 247, 13, 46, 47, 
-    246, 205, 46, 47, 247, 76, 46, 47, 246, 173, 46, 47, 247, 44, 46, 47, 
-    246, 236, 46, 47, 247, 107, 46, 47, 246, 134, 46, 47, 247, 5, 46, 47, 
-    246, 197, 46, 47, 247, 68, 46, 47, 246, 165, 46, 47, 247, 36, 46, 47, 
-    246, 228, 46, 47, 247, 99, 46, 47, 246, 149, 46, 47, 247, 20, 46, 47, 
-    246, 212, 46, 47, 247, 83, 46, 47, 246, 180, 46, 47, 247, 51, 46, 47, 
-    246, 243, 46, 47, 247, 114, 46, 47, 246, 130, 46, 47, 247, 1, 46, 47, 
-    246, 193, 46, 47, 247, 64, 46, 47, 246, 161, 46, 47, 247, 32, 46, 47, 
-    246, 224, 46, 47, 247, 95, 46, 47, 246, 145, 46, 47, 247, 16, 46, 47, 
-    246, 208, 46, 47, 247, 79, 46, 47, 246, 176, 46, 47, 247, 47, 46, 47, 
-    246, 239, 46, 47, 247, 110, 46, 47, 246, 137, 46, 47, 247, 8, 46, 47, 
-    246, 200, 46, 47, 247, 71, 46, 47, 246, 168, 46, 47, 247, 39, 46, 47, 
-    246, 231, 46, 47, 247, 102, 46, 47, 246, 152, 46, 47, 247, 23, 46, 47, 
-    246, 215, 46, 47, 247, 86, 46, 47, 246, 183, 46, 47, 247, 54, 46, 47, 
-    246, 246, 46, 47, 247, 117, 46, 47, 246, 128, 46, 47, 246, 255, 46, 47, 
-    246, 191, 46, 47, 247, 62, 46, 47, 246, 159, 46, 47, 247, 30, 46, 47, 
-    246, 222, 46, 47, 247, 93, 46, 47, 246, 143, 46, 47, 247, 14, 46, 47, 
-    246, 206, 46, 47, 247, 77, 46, 47, 246, 174, 46, 47, 247, 45, 46, 47, 
-    246, 237, 46, 47, 247, 108, 46, 47, 246, 135, 46, 47, 247, 6, 46, 47, 
-    246, 198, 46, 47, 247, 69, 46, 47, 246, 166, 46, 47, 247, 37, 46, 47, 
-    246, 229, 46, 47, 247, 100, 46, 47, 246, 150, 46, 47, 247, 21, 46, 47, 
-    246, 213, 46, 47, 247, 84, 46, 47, 246, 181, 46, 47, 247, 52, 46, 47, 
-    246, 244, 46, 47, 247, 115, 46, 47, 246, 131, 46, 47, 247, 2, 46, 47, 
-    246, 194, 46, 47, 247, 65, 46, 47, 246, 162, 46, 47, 247, 33, 46, 47, 
-    246, 225, 46, 47, 247, 96, 46, 47, 246, 146, 46, 47, 247, 17, 46, 47, 
-    246, 209, 46, 47, 247, 80, 46, 47, 246, 177, 46, 47, 247, 48, 46, 47, 
-    246, 240, 46, 47, 247, 111, 46, 47, 246, 138, 46, 47, 247, 9, 46, 47, 
-    246, 201, 46, 47, 247, 72, 46, 47, 246, 169, 46, 47, 247, 40, 46, 47, 
-    246, 232, 46, 47, 247, 103, 46, 47, 246, 153, 46, 47, 247, 24, 46, 47, 
-    246, 216, 46, 47, 247, 87, 46, 47, 246, 184, 46, 47, 247, 55, 46, 47, 
-    246, 247, 46, 47, 247, 118, 97, 215, 58, 80, 2, 67, 91, 97, 215, 58, 80, 
-    2, 52, 67, 91, 140, 52, 80, 2, 67, 91, 97, 52, 80, 2, 67, 91, 43, 44, 52, 
-    80, 2, 67, 91, 97, 215, 58, 80, 243, 251, 130, 140, 52, 80, 243, 251, 
-    130, 97, 52, 80, 243, 251, 130, 246, 112, 80, 2, 203, 91, 214, 153, 80, 
-    2, 203, 91, 214, 153, 215, 212, 75, 246, 112, 215, 212, 75, 140, 52, 248, 
-    165, 75, 97, 52, 248, 165, 75, 140, 215, 212, 248, 165, 75, 97, 215, 212, 
-    248, 165, 75, 97, 215, 58, 215, 212, 248, 165, 75, 97, 80, 2, 246, 126, 
-    218, 141, 214, 153, 80, 216, 43, 130, 246, 112, 80, 216, 43, 130, 97, 80, 
-    2, 217, 79, 2, 67, 91, 97, 80, 2, 217, 79, 2, 52, 67, 91, 97, 215, 58, 
-    80, 2, 217, 78, 97, 215, 58, 80, 2, 217, 79, 2, 67, 91, 97, 215, 58, 80, 
-    2, 217, 79, 2, 52, 67, 91, 140, 254, 3, 97, 254, 3, 140, 52, 254, 3, 97, 
-    52, 254, 3, 140, 80, 216, 43, 85, 248, 0, 97, 80, 216, 43, 85, 248, 0, 
-    140, 80, 243, 251, 252, 149, 216, 43, 85, 248, 0, 97, 80, 243, 251, 252, 
-    149, 216, 43, 85, 248, 0, 228, 61, 212, 9, 22, 219, 30, 245, 228, 75, 
-    228, 61, 245, 228, 22, 219, 30, 212, 9, 75, 228, 61, 212, 9, 80, 2, 103, 
-    228, 61, 245, 228, 80, 2, 103, 219, 30, 245, 228, 80, 2, 103, 219, 30, 
-    212, 9, 80, 2, 103, 228, 61, 212, 9, 80, 22, 228, 61, 245, 228, 75, 228, 
-    61, 245, 228, 80, 22, 219, 30, 245, 228, 75, 219, 30, 245, 228, 80, 22, 
-    219, 30, 212, 9, 75, 219, 30, 212, 9, 80, 22, 228, 61, 212, 9, 75, 222, 
-    231, 248, 7, 249, 133, 244, 183, 248, 6, 244, 183, 248, 7, 249, 133, 222, 
-    231, 248, 6, 219, 30, 245, 228, 80, 249, 133, 228, 61, 245, 228, 75, 228, 
-    61, 245, 228, 80, 249, 133, 219, 30, 245, 228, 75, 244, 183, 248, 7, 249, 
-    133, 228, 61, 245, 228, 75, 222, 231, 248, 7, 249, 133, 219, 30, 245, 
-    228, 75, 228, 61, 245, 228, 80, 249, 133, 228, 61, 212, 9, 75, 228, 61, 
-    212, 9, 80, 249, 133, 228, 61, 245, 228, 75, 212, 36, 80, 225, 10, 247, 
-    203, 222, 254, 80, 225, 10, 97, 216, 189, 249, 98, 214, 152, 80, 225, 10, 
-    97, 216, 189, 249, 98, 246, 111, 80, 225, 10, 246, 112, 216, 189, 249, 
-    98, 233, 43, 80, 225, 10, 246, 112, 216, 189, 249, 98, 222, 244, 222, 
-    247, 254, 34, 250, 10, 75, 233, 46, 254, 34, 254, 96, 75, 216, 15, 254, 
-    34, 254, 96, 75, 251, 183, 254, 34, 254, 96, 75, 216, 15, 254, 34, 250, 
-    10, 80, 2, 230, 186, 216, 15, 254, 34, 254, 96, 80, 2, 225, 25, 232, 114, 
-    44, 220, 154, 250, 10, 75, 232, 114, 43, 220, 154, 254, 96, 75, 254, 96, 
-    250, 8, 250, 44, 75, 250, 10, 250, 8, 250, 44, 75, 97, 80, 72, 219, 253, 
-    140, 75, 140, 80, 72, 219, 253, 97, 75, 219, 253, 97, 80, 72, 140, 75, 
-    97, 80, 2, 96, 51, 140, 80, 2, 96, 51, 97, 80, 216, 140, 211, 178, 43, 
-    44, 80, 216, 140, 4, 250, 43, 214, 153, 215, 58, 80, 243, 251, 4, 250, 
-    43, 43, 252, 147, 120, 44, 252, 147, 124, 242, 5, 43, 252, 147, 124, 44, 
-    252, 147, 120, 242, 5, 120, 252, 147, 44, 124, 252, 147, 43, 242, 5, 120, 
-    252, 147, 43, 124, 252, 147, 44, 242, 5, 43, 252, 147, 120, 44, 252, 147, 
-    120, 242, 5, 120, 252, 147, 44, 124, 252, 147, 44, 242, 5, 43, 252, 147, 
-    124, 44, 252, 147, 124, 242, 5, 120, 252, 147, 43, 124, 252, 147, 43, 
-    242, 5, 140, 242, 6, 2, 252, 147, 120, 216, 43, 130, 97, 242, 6, 2, 252, 
-    147, 120, 216, 43, 130, 214, 153, 242, 6, 2, 252, 147, 44, 216, 43, 130, 
-    246, 112, 242, 6, 2, 252, 147, 44, 216, 43, 130, 140, 242, 6, 2, 252, 
-    147, 124, 216, 43, 130, 97, 242, 6, 2, 252, 147, 124, 216, 43, 130, 214, 
-    153, 242, 6, 2, 252, 147, 43, 216, 43, 130, 246, 112, 242, 6, 2, 252, 
-    147, 43, 216, 43, 130, 140, 242, 6, 2, 252, 147, 120, 243, 251, 130, 97, 
-    242, 6, 2, 252, 147, 120, 243, 251, 130, 214, 153, 242, 6, 2, 252, 147, 
-    44, 243, 251, 130, 246, 112, 242, 6, 2, 252, 147, 44, 243, 251, 130, 140, 
-    242, 6, 2, 252, 147, 124, 243, 251, 130, 97, 242, 6, 2, 252, 147, 124, 
-    243, 251, 130, 214, 153, 242, 6, 2, 252, 147, 43, 243, 251, 130, 246, 
-    112, 242, 6, 2, 252, 147, 43, 243, 251, 130, 140, 242, 6, 2, 252, 147, 
-    120, 72, 140, 242, 6, 2, 252, 147, 246, 114, 214, 153, 242, 6, 2, 252, 
-    147, 43, 252, 38, 214, 153, 242, 6, 2, 252, 147, 222, 254, 97, 242, 6, 2, 
-    252, 147, 120, 72, 97, 242, 6, 2, 252, 147, 246, 114, 246, 112, 242, 6, 
-    2, 252, 147, 43, 252, 38, 246, 112, 242, 6, 2, 252, 147, 222, 254, 140, 
-    242, 6, 2, 252, 147, 120, 72, 97, 242, 6, 2, 252, 147, 214, 163, 140, 
-    242, 6, 2, 252, 147, 124, 72, 97, 242, 6, 2, 252, 147, 246, 114, 97, 242, 
-    6, 2, 252, 147, 120, 72, 140, 242, 6, 2, 252, 147, 214, 163, 97, 242, 6, 
-    2, 252, 147, 124, 72, 140, 242, 6, 2, 252, 147, 246, 114, 140, 242, 6, 2, 
-    252, 147, 120, 72, 200, 248, 164, 140, 242, 6, 2, 252, 147, 124, 252, 51, 
-    200, 248, 164, 97, 242, 6, 2, 252, 147, 120, 72, 200, 248, 164, 97, 242, 
-    6, 2, 252, 147, 124, 252, 51, 200, 248, 164, 214, 153, 242, 6, 2, 252, 
-    147, 43, 252, 38, 246, 112, 242, 6, 2, 252, 147, 222, 254, 246, 112, 242, 
-    6, 2, 252, 147, 43, 252, 38, 214, 153, 242, 6, 2, 252, 147, 222, 254, 44, 
-    52, 80, 2, 222, 185, 241, 242, 245, 106, 5, 72, 97, 75, 216, 90, 226, 
-    172, 72, 97, 75, 140, 80, 72, 216, 90, 226, 171, 97, 80, 72, 216, 90, 
-    226, 171, 97, 80, 72, 254, 156, 128, 112, 233, 21, 72, 140, 75, 140, 80, 
-    216, 140, 233, 20, 242, 137, 72, 97, 75, 218, 65, 72, 97, 75, 140, 80, 
-    216, 140, 218, 64, 218, 23, 72, 140, 75, 43, 244, 99, 217, 78, 44, 244, 
-    99, 217, 78, 120, 244, 99, 217, 78, 124, 244, 99, 217, 78, 215, 212, 67, 
-    252, 149, 248, 68, 210, 160, 189, 218, 244, 210, 160, 189, 215, 49, 249, 
-    234, 43, 71, 249, 107, 127, 44, 71, 249, 107, 127, 43, 71, 226, 7, 44, 
-    71, 226, 7, 210, 160, 189, 43, 236, 22, 127, 210, 160, 189, 44, 236, 22, 
-    127, 210, 160, 189, 43, 251, 250, 127, 210, 160, 189, 44, 251, 250, 127, 
-    43, 42, 251, 166, 2, 214, 183, 44, 42, 251, 166, 2, 214, 183, 43, 42, 
-    251, 166, 2, 216, 116, 236, 7, 216, 15, 249, 168, 44, 42, 251, 166, 2, 
-    216, 116, 236, 7, 251, 183, 249, 168, 43, 42, 251, 166, 2, 216, 116, 236, 
-    7, 251, 183, 249, 168, 44, 42, 251, 166, 2, 216, 116, 236, 7, 216, 15, 
-    249, 168, 43, 254, 118, 251, 166, 2, 247, 128, 44, 254, 118, 251, 166, 2, 
-    247, 128, 43, 254, 34, 233, 21, 127, 44, 254, 34, 242, 137, 127, 52, 43, 
-    254, 34, 242, 137, 127, 52, 44, 254, 34, 233, 21, 127, 43, 85, 216, 7, 
-    220, 55, 127, 44, 85, 216, 7, 220, 55, 127, 246, 126, 244, 143, 67, 210, 
-    35, 232, 219, 231, 93, 254, 118, 226, 174, 233, 52, 44, 254, 118, 214, 
-    12, 2, 218, 236, 231, 93, 44, 254, 118, 2, 247, 128, 254, 118, 2, 222, 
-    94, 235, 222, 255, 12, 254, 117, 219, 1, 254, 118, 226, 174, 233, 52, 
-    219, 1, 254, 118, 226, 174, 214, 163, 215, 94, 254, 117, 223, 52, 254, 
-    117, 254, 118, 2, 214, 183, 223, 52, 254, 118, 2, 214, 183, 226, 252, 
-    254, 118, 226, 174, 214, 163, 226, 252, 254, 118, 226, 174, 246, 114, 
-    231, 93, 254, 118, 2, 204, 254, 13, 245, 148, 236, 7, 80, 225, 10, 120, 
-    22, 222, 254, 231, 93, 254, 118, 2, 204, 254, 13, 245, 148, 236, 7, 80, 
-    225, 10, 120, 22, 233, 52, 231, 93, 254, 118, 2, 204, 254, 13, 245, 148, 
-    236, 7, 80, 225, 10, 124, 22, 222, 254, 231, 93, 254, 118, 2, 204, 254, 
-    13, 245, 148, 236, 7, 80, 225, 10, 124, 22, 233, 52, 231, 93, 254, 118, 
-    2, 204, 254, 13, 245, 148, 236, 7, 80, 225, 10, 44, 22, 214, 163, 231, 
-    93, 254, 118, 2, 204, 254, 13, 245, 148, 236, 7, 80, 225, 10, 43, 22, 
-    214, 163, 231, 93, 254, 118, 2, 204, 254, 13, 245, 148, 236, 7, 80, 225, 
-    10, 44, 22, 246, 114, 231, 93, 254, 118, 2, 204, 254, 13, 245, 148, 236, 
-    7, 80, 225, 10, 43, 22, 246, 114, 223, 52, 245, 160, 220, 129, 245, 160, 
-    220, 130, 2, 226, 127, 245, 160, 220, 130, 2, 4, 250, 44, 48, 245, 160, 
-    220, 130, 2, 44, 80, 48, 245, 160, 220, 130, 2, 43, 80, 48, 250, 44, 2, 
-    203, 130, 37, 67, 130, 37, 226, 11, 37, 223, 53, 219, 48, 37, 225, 174, 
-    250, 44, 247, 181, 251, 86, 203, 252, 149, 22, 216, 15, 163, 247, 181, 
-    251, 86, 67, 130, 250, 44, 2, 218, 25, 211, 178, 37, 254, 95, 247, 177, 
-    50, 120, 80, 216, 140, 250, 43, 37, 71, 251, 121, 37, 251, 121, 37, 233, 
-    20, 37, 242, 136, 250, 44, 2, 4, 250, 44, 216, 43, 216, 197, 222, 254, 
-    250, 44, 2, 113, 203, 218, 93, 216, 43, 216, 197, 222, 254, 92, 222, 231, 
-    248, 7, 219, 97, 92, 244, 183, 248, 7, 219, 97, 92, 253, 224, 92, 4, 250, 
-    43, 92, 218, 236, 113, 235, 71, 218, 234, 215, 227, 2, 59, 48, 215, 227, 
-    2, 214, 183, 222, 94, 236, 7, 215, 226, 215, 227, 2, 220, 136, 253, 215, 
-    251, 182, 44, 215, 227, 72, 43, 215, 226, 43, 215, 227, 252, 38, 67, 130, 
-    67, 252, 149, 252, 38, 44, 215, 226, 251, 173, 2, 43, 163, 251, 229, 251, 
-    173, 2, 44, 163, 251, 229, 85, 251, 172, 30, 2, 43, 163, 251, 229, 30, 2, 
-    44, 163, 251, 229, 71, 240, 243, 85, 240, 243, 43, 211, 244, 244, 143, 
-    44, 211, 244, 244, 143, 43, 52, 211, 244, 244, 143, 44, 52, 211, 244, 
-    244, 143, 235, 255, 235, 241, 216, 113, 115, 235, 241, 235, 242, 229, 
-    107, 2, 67, 130, 246, 120, 230, 92, 42, 2, 249, 189, 226, 131, 235, 253, 
-    253, 245, 219, 221, 224, 183, 245, 106, 5, 22, 219, 99, 226, 11, 245, 
-    106, 5, 22, 219, 99, 226, 12, 2, 216, 90, 48, 240, 111, 216, 43, 22, 219, 
-    99, 226, 11, 242, 190, 218, 157, 216, 186, 246, 113, 215, 227, 2, 43, 
-    163, 251, 229, 246, 113, 215, 227, 2, 44, 163, 251, 229, 85, 248, 1, 2, 
-    124, 75, 85, 232, 110, 71, 250, 44, 2, 124, 75, 85, 250, 44, 2, 124, 75, 
-    245, 93, 71, 218, 236, 245, 93, 85, 218, 236, 245, 93, 71, 248, 0, 245, 
-    93, 85, 248, 0, 245, 93, 71, 250, 43, 245, 93, 85, 250, 43, 222, 134, 
-    223, 53, 219, 49, 226, 171, 219, 49, 2, 226, 127, 223, 53, 219, 49, 2, 
-    203, 91, 252, 1, 219, 48, 252, 1, 223, 53, 219, 48, 52, 225, 25, 215, 
-    212, 225, 25, 233, 48, 249, 99, 254, 118, 127, 222, 250, 249, 99, 254, 
-    118, 127, 216, 79, 230, 184, 230, 29, 37, 59, 226, 171, 230, 29, 37, 96, 
-    226, 171, 230, 29, 37, 30, 226, 171, 230, 29, 214, 176, 226, 172, 2, 247, 
-    128, 230, 29, 214, 176, 226, 172, 2, 225, 25, 230, 29, 42, 235, 206, 226, 
-    171, 230, 29, 42, 214, 176, 226, 171, 113, 232, 152, 22, 226, 171, 113, 
-    232, 152, 177, 226, 171, 230, 29, 30, 226, 171, 230, 159, 113, 218, 44, 
-    218, 42, 2, 235, 218, 224, 27, 235, 219, 226, 171, 244, 107, 226, 3, 235, 
-    218, 235, 219, 2, 52, 91, 235, 219, 253, 181, 2, 219, 97, 250, 40, 243, 
-    233, 254, 96, 235, 216, 232, 220, 235, 217, 2, 223, 118, 225, 241, 254, 
-    10, 225, 4, 232, 220, 235, 217, 2, 220, 154, 225, 241, 254, 10, 225, 4, 
-    232, 220, 235, 217, 228, 57, 236, 1, 216, 197, 225, 4, 235, 219, 254, 10, 
-    116, 225, 14, 226, 171, 224, 21, 235, 219, 226, 171, 235, 219, 2, 140, 
-    80, 2, 103, 235, 219, 2, 30, 50, 235, 219, 2, 235, 205, 235, 219, 2, 214, 
-    175, 235, 219, 2, 226, 127, 235, 219, 2, 214, 183, 235, 72, 233, 91, 43, 
-    215, 227, 226, 171, 210, 160, 189, 221, 203, 249, 217, 210, 160, 189, 
-    221, 203, 225, 59, 210, 160, 189, 221, 203, 224, 179, 96, 5, 2, 4, 250, 
-    44, 48, 96, 5, 2, 250, 39, 255, 24, 48, 96, 5, 2, 216, 90, 48, 96, 5, 2, 
-    59, 51, 96, 5, 2, 216, 90, 51, 96, 5, 2, 218, 66, 105, 96, 5, 2, 85, 215, 
-    226, 230, 187, 5, 2, 249, 228, 48, 230, 187, 5, 2, 59, 51, 230, 187, 5, 
-    2, 244, 183, 247, 126, 230, 187, 5, 2, 222, 231, 247, 126, 96, 5, 236, 7, 
-    43, 163, 250, 43, 96, 5, 236, 7, 44, 163, 250, 43, 213, 254, 177, 249, 
-    139, 224, 183, 230, 89, 5, 2, 59, 48, 230, 89, 5, 2, 214, 183, 220, 151, 
-    224, 184, 2, 251, 183, 250, 7, 219, 79, 224, 183, 230, 89, 5, 236, 7, 43, 
-    163, 250, 43, 230, 89, 5, 236, 7, 44, 163, 250, 43, 37, 230, 89, 5, 2, 
-    250, 39, 255, 23, 230, 89, 5, 236, 7, 52, 250, 43, 37, 247, 177, 50, 96, 
-    5, 236, 7, 215, 226, 230, 187, 5, 236, 7, 215, 226, 230, 89, 5, 236, 7, 
-    215, 226, 235, 213, 224, 183, 222, 245, 235, 213, 224, 183, 210, 160, 
-    189, 223, 93, 249, 217, 254, 142, 177, 249, 173, 235, 206, 2, 247, 128, 
-    214, 176, 2, 230, 187, 50, 214, 176, 2, 226, 127, 235, 206, 2, 226, 127, 
-    235, 206, 2, 232, 152, 254, 126, 214, 176, 2, 232, 152, 226, 162, 214, 
-    176, 72, 235, 205, 235, 206, 72, 214, 175, 214, 176, 72, 252, 149, 72, 
-    235, 205, 235, 206, 72, 252, 149, 72, 214, 175, 214, 176, 252, 38, 22, 
-    235, 71, 2, 214, 175, 235, 206, 252, 38, 22, 235, 71, 2, 235, 205, 250, 
-    8, 214, 176, 2, 220, 135, 250, 8, 235, 206, 2, 220, 135, 52, 42, 235, 
-    205, 52, 42, 214, 175, 250, 8, 214, 176, 2, 220, 136, 22, 219, 79, 224, 
-    183, 232, 152, 22, 2, 59, 48, 232, 152, 177, 2, 59, 48, 52, 232, 152, 
-    254, 126, 52, 232, 152, 226, 162, 113, 235, 207, 232, 152, 254, 126, 113, 
-    235, 207, 232, 152, 226, 162, 219, 87, 233, 91, 226, 162, 219, 87, 233, 
-    91, 254, 126, 232, 152, 177, 226, 125, 232, 152, 254, 126, 232, 152, 22, 
-    2, 230, 229, 218, 141, 232, 152, 177, 2, 230, 229, 218, 141, 232, 152, 
-    22, 2, 203, 248, 164, 232, 152, 177, 2, 203, 248, 164, 232, 152, 22, 2, 
-    52, 226, 127, 232, 152, 22, 2, 214, 183, 232, 152, 22, 2, 52, 214, 183, 
-    4, 213, 251, 2, 214, 183, 232, 152, 177, 2, 52, 226, 127, 232, 152, 177, 
-    2, 52, 214, 183, 210, 160, 189, 247, 137, 254, 87, 210, 160, 189, 223, 
-    151, 254, 87, 245, 106, 5, 2, 59, 51, 240, 111, 2, 59, 48, 215, 212, 203, 
-    252, 149, 2, 52, 67, 91, 215, 212, 203, 252, 149, 2, 215, 212, 67, 91, 
-    216, 90, 226, 172, 2, 59, 48, 216, 90, 226, 172, 2, 222, 231, 247, 126, 
-    219, 164, 230, 187, 219, 163, 249, 207, 2, 59, 48, 245, 106, 2, 253, 224, 
-    254, 156, 128, 216, 43, 2, 250, 39, 255, 23, 254, 56, 128, 177, 128, 112, 
-    245, 106, 5, 72, 96, 50, 96, 5, 72, 245, 106, 50, 245, 106, 5, 72, 216, 
-    90, 226, 171, 52, 249, 235, 245, 107, 113, 249, 202, 245, 106, 219, 178, 
-    134, 249, 202, 245, 106, 219, 178, 245, 106, 5, 2, 113, 170, 72, 22, 113, 
-    170, 51, 245, 102, 2, 244, 19, 170, 48, 233, 21, 2, 250, 44, 235, 222, 
-    242, 137, 2, 250, 44, 235, 222, 233, 21, 2, 224, 16, 164, 48, 242, 137, 
-    2, 224, 16, 164, 48, 233, 21, 177, 219, 99, 128, 112, 242, 137, 177, 219, 
-    99, 128, 112, 233, 21, 177, 219, 99, 128, 216, 43, 2, 59, 235, 222, 242, 
-    137, 177, 219, 99, 128, 216, 43, 2, 59, 235, 222, 233, 21, 177, 219, 99, 
-    128, 216, 43, 2, 59, 48, 242, 137, 177, 219, 99, 128, 216, 43, 2, 59, 48, 
-    233, 21, 177, 219, 99, 128, 216, 43, 2, 59, 72, 222, 254, 242, 137, 177, 
-    219, 99, 128, 216, 43, 2, 59, 72, 233, 52, 233, 21, 177, 254, 57, 242, 
-    137, 177, 254, 57, 233, 21, 22, 219, 155, 228, 57, 128, 112, 242, 137, 
-    22, 219, 155, 228, 57, 128, 112, 233, 21, 22, 228, 57, 254, 57, 242, 137, 
-    22, 228, 57, 254, 57, 233, 21, 72, 246, 119, 128, 72, 242, 136, 242, 137, 
-    72, 246, 119, 128, 72, 233, 20, 233, 21, 72, 219, 164, 177, 245, 107, 
-    242, 137, 72, 219, 164, 177, 245, 107, 233, 21, 72, 219, 164, 72, 242, 
-    136, 242, 137, 72, 219, 164, 72, 233, 20, 233, 21, 72, 242, 137, 72, 246, 
-    119, 245, 107, 242, 137, 72, 233, 21, 72, 246, 119, 245, 107, 233, 21, 
-    72, 219, 99, 128, 72, 242, 137, 72, 219, 99, 245, 107, 242, 137, 72, 219, 
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-    206, 72, 219, 155, 228, 57, 128, 112, 218, 57, 72, 219, 155, 228, 57, 
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-    217, 89, 2, 214, 183, 219, 253, 120, 217, 89, 72, 219, 253, 124, 217, 88, 
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-    106, 219, 97, 67, 232, 220, 2, 250, 44, 48, 67, 232, 220, 2, 250, 44, 51, 
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-    226, 171, 215, 212, 67, 252, 149, 251, 252, 223, 94, 215, 212, 67, 252, 
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-    228, 61, 212, 9, 71, 75, 219, 30, 245, 228, 71, 75, 219, 30, 212, 9, 71, 
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-    229, 42, 2, 232, 114, 43, 248, 7, 163, 251, 229, 248, 1, 2, 43, 163, 251, 
-    229, 248, 1, 2, 44, 163, 251, 229, 248, 1, 2, 216, 15, 163, 251, 229, 
-    248, 1, 2, 251, 183, 163, 251, 229, 246, 126, 218, 236, 85, 233, 91, 218, 
-    236, 71, 233, 91, 218, 236, 85, 213, 187, 4, 218, 236, 71, 213, 187, 4, 
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-    85, 241, 200, 85, 233, 91, 250, 43, 85, 231, 87, 248, 0, 71, 231, 87, 
-    248, 0, 85, 231, 87, 232, 110, 71, 231, 87, 232, 110, 85, 4, 248, 0, 85, 
-    4, 232, 110, 71, 4, 232, 110, 85, 203, 245, 172, 71, 203, 245, 172, 85, 
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-    255, 43, 80, 2, 37, 225, 25, 200, 140, 218, 232, 75, 140, 215, 58, 80, 2, 
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-    140, 215, 58, 215, 212, 248, 165, 75, 140, 80, 2, 246, 126, 218, 141, 
-    140, 80, 2, 217, 79, 2, 67, 91, 140, 80, 2, 217, 79, 2, 52, 67, 91, 140, 
-    215, 58, 80, 2, 217, 78, 140, 215, 58, 80, 2, 217, 79, 2, 67, 91, 140, 
-    215, 58, 80, 2, 217, 79, 2, 52, 67, 91, 140, 80, 216, 140, 211, 178, 212, 
-    36, 80, 225, 10, 247, 203, 233, 52, 245, 106, 5, 72, 140, 75, 223, 53, 
-    216, 90, 226, 172, 72, 140, 75, 140, 80, 72, 223, 53, 254, 156, 128, 112, 
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-    156, 128, 112, 140, 80, 72, 223, 53, 216, 90, 226, 171, 97, 80, 72, 223, 
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-    218, 158, 85, 222, 250, 225, 193, 71, 222, 250, 225, 193, 114, 233, 91, 
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-    210, 91, 145, 6, 1, 235, 154, 145, 6, 1, 65, 235, 154, 145, 6, 1, 74, 
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-    230, 34, 145, 6, 1, 229, 196, 145, 6, 1, 226, 189, 145, 6, 1, 225, 7, 
-    145, 6, 1, 222, 230, 145, 6, 1, 219, 85, 145, 6, 1, 215, 81, 145, 6, 1, 
-    214, 201, 145, 6, 1, 243, 254, 145, 6, 1, 241, 206, 145, 6, 1, 226, 139, 
-    145, 6, 1, 225, 224, 145, 6, 1, 219, 230, 145, 6, 1, 215, 168, 145, 6, 1, 
-    250, 83, 145, 6, 1, 220, 104, 145, 6, 1, 211, 27, 145, 6, 1, 211, 29, 
-    145, 6, 1, 211, 57, 145, 6, 1, 218, 255, 162, 145, 6, 1, 210, 212, 145, 
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-    244, 145, 6, 1, 235, 191, 4, 210, 183, 145, 6, 1, 252, 1, 210, 183, 145, 
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-    152, 145, 6, 1, 219, 229, 145, 6, 1, 215, 203, 61, 145, 6, 1, 233, 81, 
-    230, 34, 145, 4, 1, 253, 167, 145, 4, 1, 251, 125, 145, 4, 1, 213, 253, 
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-    210, 68, 145, 4, 1, 246, 42, 145, 4, 1, 210, 91, 145, 4, 1, 235, 154, 
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-    234, 246, 145, 4, 1, 232, 192, 145, 4, 1, 230, 34, 145, 4, 1, 229, 196, 
-    145, 4, 1, 226, 189, 145, 4, 1, 225, 7, 145, 4, 1, 222, 230, 145, 4, 1, 
-    219, 85, 145, 4, 1, 215, 81, 145, 4, 1, 214, 201, 145, 4, 1, 243, 254, 
-    145, 4, 1, 241, 206, 145, 4, 1, 226, 139, 145, 4, 1, 225, 224, 145, 4, 1, 
-    219, 230, 145, 4, 1, 215, 168, 145, 4, 1, 250, 83, 145, 4, 1, 220, 104, 
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-    218, 255, 162, 145, 4, 1, 210, 212, 145, 4, 1, 4, 210, 183, 145, 4, 1, 4, 
-    210, 184, 2, 217, 78, 145, 4, 1, 210, 244, 145, 4, 1, 235, 191, 4, 210, 
-    183, 145, 4, 1, 252, 1, 210, 183, 145, 4, 1, 235, 191, 252, 1, 210, 183, 
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-    215, 203, 61, 145, 4, 1, 233, 81, 230, 34, 7, 6, 1, 233, 155, 2, 52, 130, 
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-    1, 226, 110, 2, 91, 7, 6, 1, 223, 227, 2, 217, 78, 7, 4, 1, 116, 2, 91, 
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-    242, 68, 2, 248, 47, 7, 6, 1, 235, 30, 2, 248, 47, 7, 4, 1, 235, 30, 2, 
-    248, 47, 7, 6, 1, 210, 160, 2, 248, 47, 7, 4, 1, 210, 160, 2, 248, 47, 7, 
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-    215, 94, 254, 151, 7, 4, 1, 214, 106, 2, 44, 103, 7, 6, 1, 212, 99, 2, 
-    103, 7, 4, 1, 212, 99, 2, 103, 7, 4, 1, 214, 106, 2, 249, 108, 7, 6, 1, 
-    163, 242, 67, 7, 4, 1, 163, 242, 67, 7, 4, 1, 217, 76, 225, 136, 7, 4, 1, 
-    160, 2, 228, 55, 7, 4, 1, 215, 94, 223, 227, 2, 217, 78, 7, 4, 1, 144, 2, 
-    121, 222, 237, 235, 222, 7, 1, 4, 6, 215, 94, 76, 7, 218, 66, 4, 1, 235, 
-    150, 58, 1, 6, 214, 105, 7, 6, 1, 222, 94, 2, 217, 251, 217, 78, 7, 6, 1, 
-    210, 160, 2, 217, 251, 217, 78, 81, 6, 1, 254, 173, 81, 4, 1, 254, 173, 
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-    243, 114, 81, 6, 1, 248, 199, 81, 4, 1, 248, 199, 81, 6, 1, 245, 202, 81, 
-    4, 1, 245, 202, 81, 6, 1, 219, 35, 81, 4, 1, 219, 35, 81, 6, 1, 210, 101, 
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-    216, 178, 81, 4, 1, 216, 178, 81, 6, 1, 240, 123, 81, 4, 1, 240, 123, 81, 
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-    228, 238, 81, 6, 1, 233, 239, 81, 4, 1, 233, 239, 81, 6, 1, 78, 81, 4, 1, 
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-    222, 213, 81, 6, 1, 219, 167, 81, 4, 1, 219, 167, 81, 6, 1, 217, 42, 81, 
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-    129, 81, 4, 1, 244, 129, 81, 6, 1, 234, 118, 81, 4, 1, 234, 118, 81, 6, 
-    1, 224, 164, 81, 4, 1, 224, 164, 81, 6, 1, 226, 182, 81, 4, 1, 226, 182, 
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-    254, 205, 81, 4, 1, 55, 81, 254, 205, 81, 6, 1, 249, 123, 245, 202, 81, 
-    4, 1, 249, 123, 245, 202, 81, 6, 1, 248, 5, 234, 233, 81, 4, 1, 248, 5, 
-    234, 233, 81, 6, 1, 248, 5, 228, 238, 81, 4, 1, 248, 5, 228, 238, 81, 6, 
-    1, 249, 123, 228, 238, 81, 4, 1, 249, 123, 228, 238, 81, 6, 1, 55, 81, 
-    226, 182, 81, 4, 1, 55, 81, 226, 182, 81, 6, 1, 221, 248, 81, 4, 1, 221, 
-    248, 81, 6, 1, 249, 136, 220, 57, 81, 4, 1, 249, 136, 220, 57, 81, 6, 1, 
-    55, 81, 220, 57, 81, 4, 1, 55, 81, 220, 57, 81, 6, 1, 55, 81, 245, 83, 
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-    191, 234, 123, 81, 6, 1, 248, 5, 241, 52, 81, 4, 1, 248, 5, 241, 52, 81, 
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-    242, 2, 81, 4, 1, 55, 81, 242, 2, 81, 6, 1, 55, 81, 243, 109, 81, 4, 1, 
-    55, 81, 243, 109, 81, 6, 1, 55, 81, 247, 171, 81, 4, 1, 55, 81, 247, 171, 
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-    212, 220, 24, 81, 4, 1, 55, 227, 212, 220, 24, 81, 6, 1, 55, 227, 212, 
-    229, 32, 81, 4, 1, 55, 227, 212, 229, 32, 81, 6, 1, 55, 227, 212, 227, 
-    152, 81, 4, 1, 55, 227, 212, 227, 152, 81, 6, 1, 55, 227, 212, 212, 37, 
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-    213, 81, 16, 225, 112, 222, 213, 81, 16, 218, 149, 81, 16, 217, 43, 222, 
-    213, 81, 16, 234, 119, 222, 213, 81, 16, 220, 25, 219, 167, 81, 6, 1, 
-    249, 123, 220, 57, 81, 4, 1, 249, 123, 220, 57, 81, 6, 1, 249, 123, 243, 
-    109, 81, 4, 1, 249, 123, 243, 109, 81, 38, 228, 239, 48, 81, 38, 218, 
-    249, 253, 232, 81, 38, 218, 249, 233, 27, 81, 6, 1, 251, 207, 234, 123, 
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-    4, 1, 213, 160, 98, 4, 1, 210, 89, 98, 4, 1, 217, 61, 98, 4, 1, 236, 6, 
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-    223, 174, 98, 4, 1, 221, 245, 98, 4, 1, 217, 51, 98, 4, 1, 214, 190, 98, 
-    4, 1, 225, 143, 98, 4, 1, 234, 127, 98, 4, 1, 242, 248, 98, 4, 1, 224, 
-    76, 98, 4, 1, 220, 22, 98, 4, 1, 250, 105, 98, 4, 1, 251, 15, 98, 4, 1, 
-    235, 106, 98, 4, 1, 250, 48, 98, 4, 1, 250, 151, 98, 4, 1, 211, 163, 98, 
-    4, 1, 235, 117, 98, 4, 1, 242, 50, 98, 4, 1, 241, 245, 98, 4, 1, 241, 
-    182, 98, 4, 1, 212, 22, 98, 4, 1, 242, 11, 98, 4, 1, 241, 72, 98, 4, 1, 
-    210, 246, 98, 4, 1, 254, 241, 216, 109, 1, 192, 216, 109, 1, 211, 99, 
-    216, 109, 1, 211, 98, 216, 109, 1, 211, 88, 216, 109, 1, 211, 86, 216, 
-    109, 1, 252, 40, 255, 25, 211, 81, 216, 109, 1, 211, 81, 216, 109, 1, 
-    211, 96, 216, 109, 1, 211, 93, 216, 109, 1, 211, 95, 216, 109, 1, 211, 
-    94, 216, 109, 1, 211, 12, 216, 109, 1, 211, 90, 216, 109, 1, 211, 79, 
-    216, 109, 1, 215, 116, 211, 79, 216, 109, 1, 211, 76, 216, 109, 1, 211, 
-    84, 216, 109, 1, 252, 40, 255, 25, 211, 84, 216, 109, 1, 215, 116, 211, 
-    84, 216, 109, 1, 211, 83, 216, 109, 1, 211, 103, 216, 109, 1, 211, 77, 
-    216, 109, 1, 215, 116, 211, 77, 216, 109, 1, 211, 66, 216, 109, 1, 215, 
-    116, 211, 66, 216, 109, 1, 211, 8, 216, 109, 1, 211, 49, 216, 109, 1, 
-    254, 216, 211, 49, 216, 109, 1, 215, 116, 211, 49, 216, 109, 1, 211, 75, 
-    216, 109, 1, 211, 74, 216, 109, 1, 211, 71, 216, 109, 1, 215, 116, 211, 
-    85, 216, 109, 1, 215, 116, 211, 69, 216, 109, 1, 211, 67, 216, 109, 1, 
-    210, 212, 216, 109, 1, 211, 64, 216, 109, 1, 211, 63, 216, 109, 1, 211, 
-    87, 216, 109, 1, 215, 116, 211, 87, 216, 109, 1, 253, 171, 211, 87, 216, 
-    109, 1, 211, 62, 216, 109, 1, 211, 60, 216, 109, 1, 211, 61, 216, 109, 1, 
-    211, 59, 216, 109, 1, 211, 58, 216, 109, 1, 211, 97, 216, 109, 1, 211, 
-    56, 216, 109, 1, 211, 54, 216, 109, 1, 211, 53, 216, 109, 1, 211, 52, 
-    216, 109, 1, 211, 50, 216, 109, 1, 217, 35, 211, 50, 216, 109, 1, 211, 
-    48, 216, 109, 1, 211, 47, 216, 109, 1, 210, 244, 216, 109, 58, 1, 233, 
-    132, 79, 216, 109, 220, 140, 79, 216, 109, 117, 235, 69, 29, 3, 232, 161, 
-    29, 3, 230, 165, 29, 3, 222, 211, 29, 3, 219, 59, 29, 3, 220, 8, 29, 3, 
-    251, 212, 29, 3, 216, 42, 29, 3, 249, 245, 29, 3, 228, 77, 29, 3, 227, 
-    137, 29, 3, 242, 187, 227, 4, 29, 3, 210, 22, 29, 3, 247, 151, 29, 3, 
-    248, 112, 29, 3, 235, 73, 29, 3, 216, 156, 29, 3, 250, 93, 29, 3, 225, 
-    123, 29, 3, 225, 18, 29, 3, 243, 6, 29, 3, 243, 2, 29, 3, 243, 3, 29, 3, 
-    243, 4, 29, 3, 218, 225, 29, 3, 218, 181, 29, 3, 218, 194, 29, 3, 218, 
-    224, 29, 3, 218, 198, 29, 3, 218, 199, 29, 3, 218, 186, 29, 3, 250, 221, 
-    29, 3, 250, 200, 29, 3, 250, 202, 29, 3, 250, 220, 29, 3, 250, 218, 29, 
-    3, 250, 219, 29, 3, 250, 201, 29, 3, 209, 243, 29, 3, 209, 221, 29, 3, 
-    209, 234, 29, 3, 209, 242, 29, 3, 209, 237, 29, 3, 209, 238, 29, 3, 209, 
-    226, 29, 3, 250, 216, 29, 3, 250, 203, 29, 3, 250, 205, 29, 3, 250, 215, 
-    29, 3, 250, 213, 29, 3, 250, 214, 29, 3, 250, 204, 29, 3, 223, 239, 29, 
-    3, 223, 229, 29, 3, 223, 235, 29, 3, 223, 238, 29, 3, 223, 236, 29, 3, 
-    223, 237, 29, 3, 223, 234, 29, 3, 233, 165, 29, 3, 233, 157, 29, 3, 233, 
-    160, 29, 3, 233, 164, 29, 3, 233, 161, 29, 3, 233, 162, 29, 3, 233, 158, 
-    29, 3, 211, 130, 29, 3, 211, 120, 29, 3, 211, 126, 29, 3, 211, 129, 29, 
-    3, 211, 127, 29, 3, 211, 128, 29, 3, 211, 125, 29, 3, 242, 78, 29, 3, 
-    242, 69, 29, 3, 242, 72, 29, 3, 242, 77, 29, 3, 242, 74, 29, 3, 242, 75, 
-    29, 3, 242, 71, 38, 33, 1, 252, 83, 38, 33, 1, 213, 255, 38, 33, 1, 242, 
-    243, 38, 33, 1, 248, 98, 38, 33, 1, 210, 74, 38, 33, 1, 210, 94, 38, 33, 
-    1, 176, 38, 33, 1, 245, 182, 38, 33, 1, 245, 167, 38, 33, 1, 245, 158, 
-    38, 33, 1, 78, 38, 33, 1, 225, 224, 38, 33, 1, 245, 100, 38, 33, 1, 245, 
-    90, 38, 33, 1, 217, 23, 38, 33, 1, 162, 38, 33, 1, 215, 179, 38, 33, 1, 
-    250, 139, 38, 33, 1, 220, 104, 38, 33, 1, 220, 67, 38, 33, 1, 244, 90, 
-    38, 33, 1, 245, 89, 38, 33, 1, 61, 38, 33, 1, 236, 67, 38, 33, 1, 247, 
-    169, 38, 33, 1, 230, 145, 214, 205, 38, 33, 1, 211, 59, 38, 33, 1, 210, 
-    212, 38, 33, 1, 235, 190, 61, 38, 33, 1, 232, 198, 210, 183, 38, 33, 1, 
-    252, 1, 210, 183, 38, 33, 1, 235, 190, 252, 1, 210, 183, 44, 254, 118, 
-    218, 61, 231, 159, 44, 254, 118, 246, 126, 218, 61, 231, 159, 43, 218, 
-    61, 127, 44, 218, 61, 127, 43, 246, 126, 218, 61, 127, 44, 246, 126, 218, 
-    61, 127, 223, 160, 235, 209, 231, 159, 223, 160, 246, 126, 235, 209, 231, 
-    159, 246, 126, 215, 242, 231, 159, 43, 215, 242, 127, 44, 215, 242, 127, 
-    223, 160, 218, 236, 43, 223, 160, 226, 202, 127, 44, 223, 160, 226, 202, 
-    127, 245, 218, 249, 166, 226, 17, 244, 30, 226, 17, 223, 52, 244, 30, 
-    226, 17, 240, 172, 246, 126, 226, 255, 246, 112, 254, 127, 214, 153, 254, 
-    127, 246, 126, 222, 250, 254, 117, 52, 226, 252, 240, 175, 235, 200, 235, 
-    208, 226, 63, 251, 162, 240, 176, 2, 248, 9, 216, 90, 2, 222, 237, 48, 
-    43, 121, 226, 9, 127, 44, 121, 226, 9, 127, 216, 90, 2, 59, 48, 216, 90, 
-    2, 59, 51, 43, 67, 252, 149, 2, 224, 10, 44, 67, 252, 149, 2, 224, 10, 
-    216, 15, 43, 163, 127, 216, 15, 44, 163, 127, 251, 183, 43, 163, 127, 
-    251, 183, 44, 163, 127, 43, 219, 189, 104, 127, 44, 219, 189, 104, 127, 
-    43, 52, 226, 7, 44, 52, 226, 7, 113, 170, 115, 123, 59, 224, 143, 123, 
-    59, 115, 113, 170, 224, 143, 92, 244, 19, 59, 224, 143, 244, 89, 59, 79, 
-    223, 52, 224, 16, 79, 67, 184, 222, 237, 225, 13, 211, 209, 220, 140, 
-    230, 229, 247, 128, 215, 94, 249, 227, 223, 160, 247, 128, 223, 160, 249, 
-    227, 215, 94, 220, 152, 248, 214, 2, 43, 242, 115, 248, 214, 2, 44, 242, 
-    115, 215, 94, 248, 213, 216, 15, 163, 221, 175, 50, 215, 59, 248, 164, 
-    216, 144, 248, 164, 10, 34, 223, 79, 10, 34, 250, 18, 10, 34, 221, 178, 
-    111, 10, 34, 221, 178, 105, 10, 34, 221, 178, 158, 10, 34, 225, 170, 10, 
-    34, 251, 171, 10, 34, 217, 93, 10, 34, 234, 39, 111, 10, 34, 234, 39, 
-    105, 10, 34, 247, 178, 10, 34, 221, 181, 10, 34, 4, 111, 10, 34, 4, 105, 
-    10, 34, 233, 103, 111, 10, 34, 233, 103, 105, 10, 34, 233, 103, 158, 10, 
-    34, 233, 103, 161, 10, 34, 219, 70, 10, 34, 216, 146, 10, 34, 219, 68, 
-    111, 10, 34, 219, 68, 105, 10, 34, 241, 235, 111, 10, 34, 241, 235, 105, 
-    10, 34, 242, 22, 10, 34, 223, 150, 10, 34, 250, 90, 10, 34, 218, 38, 10, 
-    34, 230, 133, 10, 34, 248, 96, 10, 34, 230, 125, 10, 34, 250, 33, 10, 34, 
-    212, 41, 111, 10, 34, 212, 41, 105, 10, 34, 244, 104, 10, 34, 225, 236, 
-    111, 10, 34, 225, 236, 105, 10, 34, 219, 162, 163, 215, 237, 215, 189, 
-    10, 34, 249, 153, 10, 34, 247, 144, 10, 34, 235, 143, 10, 34, 251, 206, 
-    64, 250, 2, 10, 34, 245, 23, 10, 34, 218, 251, 111, 10, 34, 218, 251, 
-    105, 10, 34, 252, 162, 10, 34, 219, 169, 10, 34, 251, 71, 219, 169, 10, 
-    34, 229, 95, 111, 10, 34, 229, 95, 105, 10, 34, 229, 95, 158, 10, 34, 
-    229, 95, 161, 10, 34, 231, 51, 10, 34, 220, 59, 10, 34, 223, 156, 10, 34, 
-    245, 45, 10, 34, 226, 213, 10, 34, 251, 141, 111, 10, 34, 251, 141, 105, 
-    10, 34, 231, 91, 10, 34, 230, 128, 10, 34, 242, 147, 111, 10, 34, 242, 
-    147, 105, 10, 34, 242, 147, 158, 10, 34, 216, 107, 10, 34, 250, 1, 10, 
-    34, 212, 9, 111, 10, 34, 212, 9, 105, 10, 34, 251, 71, 221, 172, 10, 34, 
-    219, 162, 240, 255, 10, 34, 240, 255, 10, 34, 251, 71, 219, 4, 10, 34, 
-    251, 71, 220, 54, 10, 34, 244, 40, 10, 34, 251, 71, 250, 236, 10, 34, 
-    219, 162, 212, 57, 10, 34, 212, 58, 111, 10, 34, 212, 58, 105, 10, 34, 
-    250, 35, 10, 34, 251, 71, 242, 173, 10, 34, 200, 111, 10, 34, 200, 105, 
-    10, 34, 251, 71, 232, 143, 10, 34, 251, 71, 243, 95, 10, 34, 230, 124, 
-    111, 10, 34, 230, 124, 105, 10, 34, 223, 162, 10, 34, 251, 215, 10, 34, 
-    251, 71, 217, 57, 233, 58, 10, 34, 251, 71, 233, 59, 10, 34, 251, 71, 
-    211, 239, 10, 34, 251, 71, 244, 54, 10, 34, 245, 226, 111, 10, 34, 245, 
-    226, 105, 10, 34, 245, 226, 158, 10, 34, 251, 71, 245, 225, 10, 34, 241, 
-    242, 10, 34, 251, 71, 240, 252, 10, 34, 251, 202, 10, 34, 242, 229, 10, 
-    34, 251, 71, 244, 98, 10, 34, 251, 71, 251, 245, 10, 34, 251, 71, 222, 3, 
-    10, 34, 219, 162, 212, 2, 10, 34, 219, 162, 211, 41, 10, 34, 251, 71, 
-    243, 252, 10, 34, 235, 149, 245, 49, 10, 34, 251, 71, 245, 49, 10, 34, 
-    235, 149, 216, 16, 10, 34, 251, 71, 216, 16, 10, 34, 235, 149, 246, 104, 
-    10, 34, 251, 71, 246, 104, 10, 34, 215, 91, 10, 34, 235, 149, 215, 91, 
-    10, 34, 251, 71, 215, 91, 60, 34, 111, 60, 34, 232, 219, 60, 34, 247, 
-    128, 60, 34, 219, 97, 60, 34, 221, 177, 60, 34, 103, 60, 34, 105, 60, 34, 
-    232, 243, 60, 34, 231, 190, 60, 34, 233, 39, 60, 34, 245, 137, 60, 34, 
-    196, 60, 34, 124, 251, 171, 60, 34, 249, 155, 60, 34, 240, 118, 60, 34, 
-    217, 93, 60, 34, 204, 251, 171, 60, 34, 234, 38, 60, 34, 224, 227, 60, 
-    34, 211, 202, 60, 34, 218, 245, 60, 34, 44, 204, 251, 171, 60, 34, 241, 
-    183, 245, 153, 60, 34, 216, 248, 60, 34, 247, 178, 60, 34, 221, 181, 60, 
-    34, 250, 18, 60, 34, 224, 185, 60, 34, 254, 224, 60, 34, 230, 115, 60, 
-    34, 245, 153, 60, 34, 245, 231, 60, 34, 221, 202, 60, 34, 242, 181, 60, 
-    34, 242, 182, 219, 83, 60, 34, 245, 48, 60, 34, 252, 0, 60, 34, 211, 221, 
-    60, 34, 250, 109, 60, 34, 222, 198, 60, 34, 236, 2, 60, 34, 219, 81, 60, 
-    34, 233, 102, 60, 34, 249, 164, 60, 34, 218, 239, 60, 34, 230, 120, 60, 
-    34, 222, 227, 60, 34, 211, 206, 60, 34, 226, 194, 60, 34, 215, 98, 60, 
-    34, 246, 88, 60, 34, 219, 253, 216, 146, 60, 34, 246, 126, 250, 18, 60, 
-    34, 200, 218, 110, 60, 34, 113, 242, 17, 60, 34, 220, 2, 60, 34, 251, 
-    177, 60, 34, 219, 67, 60, 34, 251, 145, 60, 34, 218, 140, 60, 34, 241, 
-    234, 60, 34, 242, 35, 60, 34, 247, 131, 60, 34, 242, 22, 60, 34, 251, 
-    162, 60, 34, 223, 150, 60, 34, 221, 189, 60, 34, 247, 207, 60, 34, 253, 
-    176, 60, 34, 218, 236, 60, 34, 228, 56, 60, 34, 218, 38, 60, 34, 221, 
-    213, 60, 34, 230, 133, 60, 34, 215, 236, 60, 34, 233, 128, 60, 34, 218, 
-    131, 60, 34, 248, 96, 60, 34, 212, 21, 60, 34, 247, 154, 228, 56, 60, 34, 
-    249, 223, 60, 34, 243, 229, 60, 34, 250, 29, 60, 34, 218, 144, 60, 34, 
-    212, 40, 60, 34, 244, 104, 60, 34, 250, 26, 60, 34, 244, 169, 60, 34, 52, 
-    211, 178, 60, 34, 163, 215, 237, 215, 189, 60, 34, 219, 91, 60, 34, 244, 
-    179, 60, 34, 249, 153, 60, 34, 247, 144, 60, 34, 224, 182, 60, 34, 235, 
-    143, 60, 34, 231, 72, 60, 34, 216, 89, 60, 34, 217, 246, 60, 34, 232, 
-    237, 60, 34, 214, 131, 60, 34, 244, 128, 60, 34, 251, 206, 64, 250, 2, 
-    60, 34, 219, 190, 60, 34, 246, 126, 216, 243, 60, 34, 211, 253, 60, 34, 
-    219, 105, 60, 34, 247, 195, 60, 34, 245, 23, 60, 34, 219, 7, 60, 34, 75, 
-    60, 34, 218, 133, 60, 34, 218, 250, 60, 34, 216, 0, 60, 34, 242, 154, 60, 
-    34, 250, 226, 60, 34, 218, 162, 60, 34, 252, 162, 60, 34, 223, 34, 60, 
-    34, 219, 169, 60, 34, 235, 136, 60, 34, 229, 94, 60, 34, 220, 59, 60, 34, 
-    244, 157, 60, 34, 226, 213, 60, 34, 254, 126, 60, 34, 225, 32, 60, 34, 
-    245, 235, 60, 34, 251, 140, 60, 34, 231, 91, 60, 34, 230, 188, 60, 34, 
-    220, 158, 60, 34, 254, 4, 60, 34, 230, 128, 60, 34, 216, 20, 60, 34, 226, 
-    169, 60, 34, 251, 209, 60, 34, 218, 129, 60, 34, 249, 233, 60, 34, 242, 
-    146, 60, 34, 216, 107, 60, 34, 235, 224, 60, 34, 251, 219, 60, 34, 212, 
-    58, 245, 153, 60, 34, 250, 1, 60, 34, 212, 8, 60, 34, 221, 172, 60, 34, 
-    240, 255, 60, 34, 219, 4, 60, 34, 214, 22, 60, 34, 252, 80, 60, 34, 225, 
-    76, 60, 34, 252, 182, 60, 34, 220, 54, 60, 34, 223, 113, 60, 34, 222, 
-    128, 60, 34, 244, 40, 60, 34, 251, 208, 60, 34, 250, 236, 60, 34, 251, 
-    234, 60, 34, 230, 130, 60, 34, 212, 57, 60, 34, 250, 35, 60, 34, 211, 
-    236, 60, 34, 247, 188, 60, 34, 213, 161, 60, 34, 242, 173, 60, 34, 232, 
-    143, 60, 34, 243, 95, 60, 34, 230, 123, 60, 34, 219, 96, 60, 34, 219, 
-    253, 217, 77, 251, 245, 60, 34, 223, 162, 60, 34, 251, 215, 60, 34, 211, 
-    197, 60, 34, 244, 198, 60, 34, 233, 58, 60, 34, 217, 57, 233, 58, 60, 34, 
-    233, 54, 60, 34, 219, 32, 60, 34, 233, 59, 60, 34, 211, 239, 60, 34, 244, 
-    54, 60, 34, 245, 225, 60, 34, 241, 242, 60, 34, 244, 8, 60, 34, 240, 252, 
-    60, 34, 251, 202, 60, 34, 217, 64, 60, 34, 242, 41, 60, 34, 244, 121, 60, 
-    34, 222, 30, 211, 236, 60, 34, 250, 228, 60, 34, 242, 229, 60, 34, 244, 
-    98, 60, 34, 251, 245, 60, 34, 222, 3, 60, 34, 248, 82, 60, 34, 212, 2, 
-    60, 34, 241, 217, 60, 34, 211, 41, 60, 34, 230, 197, 60, 34, 251, 229, 
-    60, 34, 245, 163, 60, 34, 243, 252, 60, 34, 215, 210, 60, 34, 246, 90, 
-    60, 34, 223, 144, 60, 34, 228, 58, 60, 34, 245, 49, 60, 34, 216, 16, 60, 
-    34, 246, 104, 60, 34, 215, 91, 60, 34, 244, 56, 110, 248, 45, 135, 43, 
-    216, 43, 222, 254, 110, 248, 45, 135, 72, 216, 43, 51, 110, 248, 45, 135, 
-    43, 216, 43, 230, 229, 22, 222, 254, 110, 248, 45, 135, 72, 216, 43, 230, 
-    229, 22, 51, 110, 248, 45, 135, 243, 236, 218, 11, 110, 248, 45, 135, 
-    218, 12, 243, 251, 48, 110, 248, 45, 135, 218, 12, 243, 251, 51, 110, 
-    248, 45, 135, 218, 12, 243, 251, 233, 52, 110, 248, 45, 135, 218, 12, 
-    243, 251, 214, 160, 233, 52, 110, 248, 45, 135, 218, 12, 243, 251, 214, 
-    160, 222, 254, 110, 248, 45, 135, 218, 12, 243, 251, 232, 114, 233, 52, 
-    110, 248, 45, 135, 226, 126, 110, 219, 20, 110, 249, 227, 110, 243, 236, 
-    218, 131, 247, 185, 79, 235, 137, 235, 243, 218, 161, 87, 110, 235, 164, 
-    79, 110, 250, 4, 79, 110, 54, 210, 86, 43, 254, 118, 127, 44, 254, 118, 
-    127, 43, 52, 254, 118, 127, 44, 52, 254, 118, 127, 43, 249, 169, 127, 44, 
-    249, 169, 127, 43, 71, 249, 169, 127, 44, 71, 249, 169, 127, 43, 85, 233, 
-    26, 127, 44, 85, 233, 26, 127, 224, 240, 79, 243, 39, 79, 43, 216, 7, 
-    220, 55, 127, 44, 216, 7, 220, 55, 127, 43, 71, 233, 26, 127, 44, 71, 
-    233, 26, 127, 43, 71, 216, 7, 220, 55, 127, 44, 71, 216, 7, 220, 55, 127, 
-    43, 71, 42, 127, 44, 71, 42, 127, 212, 36, 248, 164, 223, 52, 52, 224, 
-    194, 224, 1, 79, 52, 224, 194, 224, 1, 79, 121, 52, 224, 194, 224, 1, 79, 
-    224, 240, 164, 244, 198, 242, 15, 227, 202, 111, 242, 15, 227, 202, 105, 
-    242, 15, 227, 202, 158, 242, 15, 227, 202, 161, 242, 15, 227, 202, 190, 
-    242, 15, 227, 202, 195, 242, 15, 227, 202, 199, 242, 15, 227, 202, 196, 
-    242, 15, 227, 202, 201, 110, 233, 9, 138, 79, 110, 222, 231, 138, 79, 
-    110, 248, 52, 138, 79, 110, 245, 136, 138, 79, 24, 219, 157, 59, 138, 79, 
-    24, 52, 59, 138, 79, 212, 32, 248, 164, 67, 234, 239, 223, 80, 79, 67, 
-    234, 239, 223, 80, 2, 213, 135, 219, 33, 79, 67, 234, 239, 223, 80, 164, 
-    214, 160, 242, 34, 67, 234, 239, 223, 80, 2, 213, 135, 219, 33, 164, 214, 
-    160, 242, 34, 67, 234, 239, 223, 80, 164, 232, 114, 242, 34, 37, 224, 
-    240, 79, 110, 217, 4, 232, 220, 244, 154, 220, 140, 87, 242, 15, 227, 
-    202, 216, 248, 242, 15, 227, 202, 215, 73, 242, 15, 227, 202, 216, 163, 
-    67, 110, 235, 164, 79, 231, 145, 79, 226, 3, 254, 148, 79, 110, 45, 235, 
-    245, 110, 163, 244, 114, 219, 20, 141, 1, 4, 61, 141, 1, 61, 141, 1, 4, 
-    74, 141, 1, 74, 141, 1, 4, 69, 141, 1, 69, 141, 1, 4, 76, 141, 1, 76, 
-    141, 1, 4, 78, 141, 1, 78, 141, 1, 176, 141, 1, 243, 142, 141, 1, 234, 
-    98, 141, 1, 242, 221, 141, 1, 233, 223, 141, 1, 242, 120, 141, 1, 234, 
-    188, 141, 1, 243, 69, 141, 1, 234, 34, 141, 1, 242, 181, 141, 1, 206, 
-    141, 1, 210, 116, 141, 1, 219, 193, 141, 1, 210, 44, 141, 1, 218, 84, 
-    141, 1, 210, 13, 141, 1, 221, 183, 141, 1, 210, 94, 141, 1, 219, 60, 141, 
-    1, 210, 23, 141, 1, 217, 106, 141, 1, 248, 229, 141, 1, 216, 118, 141, 1, 
-    248, 11, 141, 1, 4, 215, 119, 141, 1, 215, 119, 141, 1, 246, 86, 141, 1, 
-    217, 23, 141, 1, 248, 98, 141, 1, 112, 141, 1, 247, 153, 141, 1, 198, 
-    141, 1, 228, 238, 141, 1, 227, 242, 141, 1, 229, 112, 141, 1, 228, 79, 
-    141, 1, 162, 141, 1, 252, 199, 141, 1, 191, 141, 1, 241, 187, 141, 1, 
-    252, 14, 141, 1, 225, 111, 141, 1, 240, 229, 141, 1, 251, 133, 141, 1, 
-    224, 153, 141, 1, 241, 245, 141, 1, 252, 83, 141, 1, 225, 224, 141, 1, 
-    241, 75, 141, 1, 251, 213, 141, 1, 225, 19, 141, 1, 186, 141, 1, 230, 
-    235, 141, 1, 230, 107, 141, 1, 231, 96, 141, 1, 230, 166, 141, 1, 4, 192, 
-    141, 1, 192, 141, 1, 4, 210, 212, 141, 1, 210, 212, 141, 1, 4, 210, 244, 
-    141, 1, 210, 244, 141, 1, 205, 141, 1, 223, 38, 141, 1, 222, 142, 141, 1, 
-    223, 131, 141, 1, 222, 213, 141, 1, 4, 212, 65, 141, 1, 212, 65, 141, 1, 
-    211, 250, 141, 1, 212, 22, 141, 1, 211, 227, 141, 1, 230, 30, 141, 1, 
-    212, 116, 141, 1, 4, 176, 141, 1, 4, 234, 188, 38, 234, 207, 213, 135, 
-    219, 33, 79, 38, 234, 207, 220, 157, 219, 33, 79, 234, 207, 213, 135, 
-    219, 33, 79, 234, 207, 220, 157, 219, 33, 79, 141, 235, 164, 79, 141, 
-    213, 135, 235, 164, 79, 141, 247, 229, 210, 225, 234, 207, 52, 240, 175, 
-    56, 1, 4, 61, 56, 1, 61, 56, 1, 4, 74, 56, 1, 74, 56, 1, 4, 69, 56, 1, 
-    69, 56, 1, 4, 76, 56, 1, 76, 56, 1, 4, 78, 56, 1, 78, 56, 1, 176, 56, 1, 
-    243, 142, 56, 1, 234, 98, 56, 1, 242, 221, 56, 1, 233, 223, 56, 1, 242, 
-    120, 56, 1, 234, 188, 56, 1, 243, 69, 56, 1, 234, 34, 56, 1, 242, 181, 
-    56, 1, 206, 56, 1, 210, 116, 56, 1, 219, 193, 56, 1, 210, 44, 56, 1, 218, 
-    84, 56, 1, 210, 13, 56, 1, 221, 183, 56, 1, 210, 94, 56, 1, 219, 60, 56, 
-    1, 210, 23, 56, 1, 217, 106, 56, 1, 248, 229, 56, 1, 216, 118, 56, 1, 
-    248, 11, 56, 1, 4, 215, 119, 56, 1, 215, 119, 56, 1, 246, 86, 56, 1, 217, 
-    23, 56, 1, 248, 98, 56, 1, 112, 56, 1, 247, 153, 56, 1, 198, 56, 1, 228, 
-    238, 56, 1, 227, 242, 56, 1, 229, 112, 56, 1, 228, 79, 56, 1, 162, 56, 1, 
-    252, 199, 56, 1, 191, 56, 1, 241, 187, 56, 1, 252, 14, 56, 1, 225, 111, 
-    56, 1, 240, 229, 56, 1, 251, 133, 56, 1, 224, 153, 56, 1, 241, 245, 56, 
-    1, 252, 83, 56, 1, 225, 224, 56, 1, 241, 75, 56, 1, 251, 213, 56, 1, 225, 
-    19, 56, 1, 186, 56, 1, 230, 235, 56, 1, 230, 107, 56, 1, 231, 96, 56, 1, 
-    230, 166, 56, 1, 4, 192, 56, 1, 192, 56, 1, 4, 210, 212, 56, 1, 210, 212, 
-    56, 1, 4, 210, 244, 56, 1, 210, 244, 56, 1, 205, 56, 1, 223, 38, 56, 1, 
-    222, 142, 56, 1, 223, 131, 56, 1, 222, 213, 56, 1, 4, 212, 65, 56, 1, 
-    212, 65, 56, 1, 211, 250, 56, 1, 212, 22, 56, 1, 211, 227, 56, 1, 230, 
-    30, 56, 1, 212, 116, 56, 1, 4, 176, 56, 1, 4, 234, 188, 56, 1, 214, 27, 
-    56, 1, 213, 176, 56, 1, 213, 255, 56, 1, 213, 138, 56, 230, 229, 247, 
-    128, 234, 207, 224, 176, 219, 33, 79, 56, 235, 164, 79, 56, 213, 135, 
-    235, 164, 79, 56, 247, 229, 234, 5, 251, 192, 1, 253, 166, 251, 192, 1, 
-    226, 109, 251, 192, 1, 194, 251, 192, 1, 245, 14, 251, 192, 1, 249, 68, 
-    251, 192, 1, 217, 153, 251, 192, 1, 230, 30, 251, 192, 1, 156, 251, 192, 
-    1, 243, 209, 251, 192, 1, 235, 29, 251, 192, 1, 242, 67, 251, 192, 1, 
-    235, 150, 251, 192, 1, 224, 99, 251, 192, 1, 211, 178, 251, 192, 1, 210, 
-    83, 251, 192, 1, 250, 166, 251, 192, 1, 220, 106, 251, 192, 1, 153, 251, 
-    192, 1, 210, 159, 251, 192, 1, 251, 74, 251, 192, 1, 222, 93, 251, 192, 
-    1, 61, 251, 192, 1, 78, 251, 192, 1, 76, 251, 192, 1, 245, 205, 251, 192, 
-    1, 254, 210, 251, 192, 1, 245, 203, 251, 192, 1, 253, 200, 251, 192, 1, 
-    226, 138, 251, 192, 1, 254, 131, 251, 192, 1, 245, 158, 251, 192, 1, 254, 
-    123, 251, 192, 1, 245, 146, 251, 192, 1, 245, 100, 251, 192, 1, 74, 251, 
-    192, 1, 69, 251, 192, 1, 235, 162, 251, 192, 1, 214, 105, 251, 192, 1, 
-    229, 84, 251, 192, 1, 242, 185, 251, 192, 1, 236, 41, 24, 1, 234, 64, 24, 
-    1, 218, 217, 24, 1, 234, 57, 24, 1, 228, 231, 24, 1, 228, 229, 24, 1, 
-    228, 228, 24, 1, 216, 102, 24, 1, 218, 206, 24, 1, 223, 29, 24, 1, 223, 
-    24, 24, 1, 223, 21, 24, 1, 223, 14, 24, 1, 223, 9, 24, 1, 223, 4, 24, 1, 
-    223, 15, 24, 1, 223, 27, 24, 1, 230, 222, 24, 1, 225, 98, 24, 1, 218, 
-    214, 24, 1, 225, 87, 24, 1, 219, 150, 24, 1, 218, 211, 24, 1, 236, 63, 
-    24, 1, 250, 54, 24, 1, 218, 221, 24, 1, 250, 114, 24, 1, 234, 116, 24, 1, 
-    216, 174, 24, 1, 225, 134, 24, 1, 241, 179, 24, 1, 61, 24, 1, 254, 252, 
-    24, 1, 192, 24, 1, 211, 92, 24, 1, 245, 125, 24, 1, 76, 24, 1, 211, 36, 
-    24, 1, 211, 47, 24, 1, 78, 24, 1, 212, 65, 24, 1, 212, 62, 24, 1, 226, 
-    238, 24, 1, 210, 244, 24, 1, 69, 24, 1, 212, 11, 24, 1, 212, 22, 24, 1, 
-    211, 250, 24, 1, 210, 212, 24, 1, 245, 63, 24, 1, 211, 8, 24, 1, 74, 24, 
-    244, 111, 24, 1, 218, 215, 24, 1, 228, 221, 24, 1, 228, 223, 24, 1, 228, 
-    226, 24, 1, 223, 22, 24, 1, 223, 3, 24, 1, 223, 11, 24, 1, 223, 16, 24, 
-    1, 223, 1, 24, 1, 230, 215, 24, 1, 230, 212, 24, 1, 230, 216, 24, 1, 234, 
-    227, 24, 1, 225, 93, 24, 1, 225, 79, 24, 1, 225, 85, 24, 1, 225, 82, 24, 
-    1, 225, 96, 24, 1, 225, 80, 24, 1, 234, 225, 24, 1, 234, 223, 24, 1, 219, 
-    143, 24, 1, 219, 141, 24, 1, 219, 133, 24, 1, 219, 138, 24, 1, 219, 148, 
-    24, 1, 226, 36, 24, 1, 218, 218, 24, 1, 211, 26, 24, 1, 211, 22, 24, 1, 
-    211, 23, 24, 1, 234, 226, 24, 1, 218, 219, 24, 1, 211, 32, 24, 1, 210, 
-    238, 24, 1, 210, 237, 24, 1, 210, 240, 24, 1, 210, 203, 24, 1, 210, 204, 
-    24, 1, 210, 207, 24, 1, 254, 42, 24, 1, 254, 36, 110, 254, 107, 232, 209, 
-    79, 110, 254, 107, 223, 53, 79, 110, 254, 107, 123, 79, 110, 254, 107, 
-    113, 79, 110, 254, 107, 134, 79, 110, 254, 107, 244, 19, 79, 110, 254, 
-    107, 216, 15, 79, 110, 254, 107, 230, 229, 79, 110, 254, 107, 251, 183, 
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-    107, 216, 170, 79, 110, 254, 107, 244, 12, 79, 110, 254, 107, 241, 231, 
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-    1, 251, 133, 251, 192, 1, 210, 44, 251, 192, 1, 235, 114, 251, 192, 1, 
-    242, 120, 251, 192, 1, 245, 217, 251, 192, 1, 245, 143, 251, 192, 1, 226, 
-    187, 251, 192, 1, 226, 191, 251, 192, 1, 235, 186, 251, 192, 1, 254, 109, 
-    251, 192, 1, 235, 231, 251, 192, 1, 214, 168, 251, 192, 1, 236, 23, 251, 
-    192, 1, 229, 62, 251, 192, 1, 254, 204, 251, 192, 1, 253, 195, 251, 192, 
-    1, 254, 144, 251, 192, 1, 226, 208, 251, 192, 1, 226, 193, 251, 192, 1, 
-    235, 228, 251, 192, 40, 1, 226, 109, 251, 192, 40, 1, 217, 153, 251, 192, 
-    40, 1, 235, 29, 251, 192, 40, 1, 242, 67, 251, 192, 1, 243, 1, 251, 192, 
-    1, 233, 5, 251, 192, 1, 209, 250, 10, 218, 105, 217, 153, 10, 218, 105, 
-    212, 4, 10, 218, 105, 211, 158, 10, 218, 105, 251, 87, 10, 218, 105, 217, 
-    255, 10, 218, 105, 240, 165, 10, 218, 105, 240, 169, 10, 218, 105, 240, 
-    238, 10, 218, 105, 240, 166, 10, 218, 105, 217, 156, 10, 218, 105, 240, 
-    168, 10, 218, 105, 240, 164, 10, 218, 105, 240, 236, 10, 218, 105, 240, 
-    167, 10, 218, 105, 240, 163, 10, 218, 105, 230, 30, 10, 218, 105, 242, 
-    67, 10, 218, 105, 222, 93, 10, 218, 105, 226, 109, 10, 218, 105, 219, 23, 
-    10, 218, 105, 249, 68, 10, 218, 105, 240, 170, 10, 218, 105, 241, 197, 
-    10, 218, 105, 217, 165, 10, 218, 105, 217, 234, 10, 218, 105, 218, 170, 
-    10, 218, 105, 220, 112, 10, 218, 105, 225, 228, 10, 218, 105, 224, 101, 
-    10, 218, 105, 216, 44, 10, 218, 105, 217, 155, 10, 218, 105, 217, 245, 
-    10, 218, 105, 240, 177, 10, 218, 105, 240, 162, 10, 218, 105, 225, 152, 
-    10, 218, 105, 224, 99, 56, 1, 4, 233, 223, 56, 1, 4, 219, 193, 56, 1, 4, 
-    218, 84, 56, 1, 4, 112, 56, 1, 4, 227, 242, 56, 1, 4, 162, 56, 1, 4, 241, 
-    187, 56, 1, 4, 240, 229, 56, 1, 4, 241, 245, 56, 1, 4, 241, 75, 56, 1, 4, 
-    230, 107, 56, 1, 4, 205, 56, 1, 4, 223, 38, 56, 1, 4, 222, 142, 56, 1, 4, 
-    223, 131, 56, 1, 4, 222, 213, 88, 24, 234, 64, 88, 24, 228, 231, 88, 24, 
-    216, 102, 88, 24, 223, 29, 88, 24, 230, 222, 88, 24, 225, 98, 88, 24, 
-    219, 150, 88, 24, 236, 63, 88, 24, 250, 54, 88, 24, 250, 114, 88, 24, 
-    234, 116, 88, 24, 216, 174, 88, 24, 225, 134, 88, 24, 241, 179, 88, 24, 
-    234, 65, 61, 88, 24, 228, 232, 61, 88, 24, 216, 103, 61, 88, 24, 223, 30, 
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-    24, 236, 64, 61, 88, 24, 250, 55, 61, 88, 24, 250, 115, 61, 88, 24, 234, 
-    117, 61, 88, 24, 216, 175, 61, 88, 24, 225, 135, 61, 88, 24, 241, 180, 
-    61, 88, 24, 250, 55, 69, 88, 234, 9, 135, 226, 221, 88, 234, 9, 135, 144, 
-    240, 229, 88, 154, 111, 88, 154, 105, 88, 154, 158, 88, 154, 161, 88, 
-    154, 190, 88, 154, 195, 88, 154, 199, 88, 154, 196, 88, 154, 201, 88, 
-    154, 216, 248, 88, 154, 230, 133, 88, 154, 244, 104, 88, 154, 212, 40, 
-    88, 154, 211, 214, 88, 154, 231, 44, 88, 154, 245, 231, 88, 154, 218, 38, 
-    88, 154, 218, 134, 88, 154, 241, 251, 88, 154, 219, 56, 88, 154, 229, 
-    209, 88, 154, 219, 6, 88, 154, 244, 110, 88, 154, 249, 208, 88, 154, 233, 
-    131, 88, 154, 223, 74, 88, 154, 251, 23, 88, 154, 218, 88, 88, 154, 218, 
-    21, 88, 154, 245, 135, 88, 154, 223, 66, 88, 154, 254, 159, 88, 154, 244, 
-    136, 88, 154, 223, 64, 88, 154, 220, 158, 88, 154, 223, 130, 37, 154, 
-    224, 15, 37, 154, 234, 86, 37, 154, 221, 200, 37, 154, 234, 5, 37, 54, 
-    216, 249, 226, 201, 85, 218, 236, 37, 54, 215, 74, 226, 201, 85, 218, 
-    236, 37, 54, 216, 164, 226, 201, 85, 218, 236, 37, 54, 244, 24, 226, 201, 
-    85, 218, 236, 37, 54, 244, 123, 226, 201, 85, 218, 236, 37, 54, 219, 114, 
-    226, 201, 85, 218, 236, 37, 54, 220, 119, 226, 201, 85, 218, 236, 37, 54, 
-    245, 193, 226, 201, 85, 218, 236, 225, 255, 50, 37, 54, 215, 74, 111, 37, 
-    54, 215, 74, 105, 37, 54, 215, 74, 158, 37, 54, 215, 74, 161, 37, 54, 
-    215, 74, 190, 37, 54, 215, 74, 195, 37, 54, 215, 74, 199, 37, 54, 215, 
-    74, 196, 37, 54, 215, 74, 201, 37, 54, 216, 163, 37, 54, 216, 164, 111, 
-    37, 54, 216, 164, 105, 37, 54, 216, 164, 158, 37, 54, 216, 164, 161, 37, 
-    54, 216, 164, 190, 37, 24, 234, 64, 37, 24, 228, 231, 37, 24, 216, 102, 
-    37, 24, 223, 29, 37, 24, 230, 222, 37, 24, 225, 98, 37, 24, 219, 150, 37, 
-    24, 236, 63, 37, 24, 250, 54, 37, 24, 250, 114, 37, 24, 234, 116, 37, 24, 
-    216, 174, 37, 24, 225, 134, 37, 24, 241, 179, 37, 24, 234, 65, 61, 37, 
-    24, 228, 232, 61, 37, 24, 216, 103, 61, 37, 24, 223, 30, 61, 37, 24, 230, 
-    223, 61, 37, 24, 225, 99, 61, 37, 24, 219, 151, 61, 37, 24, 236, 64, 61, 
-    37, 24, 250, 55, 61, 37, 24, 250, 115, 61, 37, 24, 234, 117, 61, 37, 24, 
-    216, 175, 61, 37, 24, 225, 135, 61, 37, 24, 241, 180, 61, 37, 234, 9, 
-    135, 250, 156, 37, 234, 9, 135, 235, 53, 37, 24, 236, 64, 69, 234, 9, 
-    218, 161, 87, 37, 154, 111, 37, 154, 105, 37, 154, 158, 37, 154, 161, 37, 
-    154, 190, 37, 154, 195, 37, 154, 199, 37, 154, 196, 37, 154, 201, 37, 
-    154, 216, 248, 37, 154, 230, 133, 37, 154, 244, 104, 37, 154, 212, 40, 
-    37, 154, 211, 214, 37, 154, 231, 44, 37, 154, 245, 231, 37, 154, 218, 38, 
-    37, 154, 218, 134, 37, 154, 241, 251, 37, 154, 219, 56, 37, 154, 229, 
-    209, 37, 154, 219, 6, 37, 154, 244, 110, 37, 154, 249, 208, 37, 154, 233, 
-    131, 37, 154, 221, 176, 37, 154, 231, 194, 37, 154, 244, 145, 37, 154, 
-    218, 50, 37, 154, 245, 42, 37, 154, 224, 190, 37, 154, 253, 204, 37, 154, 
-    235, 165, 37, 154, 223, 64, 37, 154, 249, 172, 37, 154, 249, 163, 37, 
-    154, 241, 172, 37, 154, 250, 182, 37, 154, 232, 116, 37, 154, 233, 52, 
-    37, 154, 222, 254, 37, 154, 231, 88, 37, 154, 223, 90, 37, 154, 218, 88, 
-    37, 154, 218, 21, 37, 154, 245, 135, 37, 154, 223, 66, 37, 154, 254, 159, 
-    37, 154, 228, 217, 37, 54, 216, 164, 195, 37, 54, 216, 164, 199, 37, 54, 
-    216, 164, 196, 37, 54, 216, 164, 201, 37, 54, 244, 23, 37, 54, 244, 24, 
-    111, 37, 54, 244, 24, 105, 37, 54, 244, 24, 158, 37, 54, 244, 24, 161, 
-    37, 54, 244, 24, 190, 37, 54, 244, 24, 195, 37, 54, 244, 24, 199, 37, 54, 
-    244, 24, 196, 37, 54, 244, 24, 201, 37, 54, 244, 122, 110, 217, 4, 16, 
-    31, 235, 139, 110, 217, 4, 16, 31, 244, 156, 110, 217, 4, 16, 31, 231, 
-    165, 110, 217, 4, 16, 31, 254, 55, 110, 217, 4, 16, 31, 231, 137, 110, 
-    217, 4, 16, 31, 235, 51, 110, 217, 4, 16, 31, 235, 52, 110, 217, 4, 16, 
-    31, 253, 196, 110, 217, 4, 16, 31, 220, 138, 110, 217, 4, 16, 31, 226, 
-    243, 110, 217, 4, 16, 31, 228, 45, 110, 217, 4, 16, 31, 248, 93, 42, 241, 
-    197, 42, 245, 96, 42, 245, 51, 232, 225, 232, 246, 50, 37, 56, 61, 37, 
-    56, 74, 37, 56, 69, 37, 56, 76, 37, 56, 78, 37, 56, 176, 37, 56, 234, 98, 
-    37, 56, 233, 223, 37, 56, 234, 188, 37, 56, 234, 34, 37, 56, 206, 37, 56, 
-    219, 193, 37, 56, 218, 84, 37, 56, 221, 183, 37, 56, 219, 60, 37, 56, 
-    217, 106, 37, 56, 216, 118, 37, 56, 215, 119, 37, 56, 217, 23, 37, 56, 
-    112, 37, 56, 198, 37, 56, 228, 238, 37, 56, 227, 242, 37, 56, 229, 112, 
-    37, 56, 228, 79, 37, 56, 162, 37, 56, 241, 187, 37, 56, 240, 229, 37, 56, 
-    241, 245, 37, 56, 241, 75, 37, 56, 186, 37, 56, 230, 235, 37, 56, 230, 
-    107, 37, 56, 231, 96, 37, 56, 230, 166, 37, 56, 192, 37, 56, 210, 212, 
-    37, 56, 210, 244, 37, 56, 205, 37, 56, 223, 38, 37, 56, 222, 142, 37, 56, 
-    223, 131, 37, 56, 222, 213, 37, 56, 212, 65, 37, 56, 211, 250, 37, 56, 
-    212, 22, 37, 56, 211, 227, 42, 254, 79, 42, 253, 247, 42, 254, 103, 42, 
-    255, 40, 42, 235, 233, 42, 235, 203, 42, 214, 166, 42, 245, 74, 42, 245, 
-    214, 42, 226, 190, 42, 226, 184, 42, 234, 251, 42, 234, 220, 42, 234, 
-    217, 42, 243, 99, 42, 243, 108, 42, 242, 211, 42, 242, 207, 42, 233, 156, 
-    42, 242, 200, 42, 234, 78, 42, 234, 77, 42, 234, 76, 42, 234, 75, 42, 
-    242, 93, 42, 242, 92, 42, 233, 199, 42, 233, 201, 42, 234, 184, 42, 234, 
-    7, 42, 234, 14, 42, 222, 18, 42, 221, 239, 42, 219, 131, 42, 220, 143, 
-    42, 220, 142, 42, 248, 226, 42, 248, 44, 42, 247, 129, 42, 216, 33, 42, 
-    229, 205, 42, 228, 46, 42, 242, 39, 42, 226, 88, 42, 226, 87, 42, 252, 
-    196, 42, 225, 108, 42, 225, 72, 42, 225, 73, 42, 251, 242, 42, 240, 228, 
-    42, 240, 224, 42, 251, 99, 42, 240, 211, 42, 241, 222, 42, 225, 162, 42, 
-    225, 197, 42, 241, 205, 42, 225, 194, 42, 225, 210, 42, 252, 69, 42, 225, 
-    9, 42, 251, 188, 42, 241, 63, 42, 224, 253, 42, 241, 55, 42, 241, 57, 42, 
-    231, 206, 42, 231, 202, 42, 231, 211, 42, 231, 155, 42, 231, 180, 42, 
-    230, 202, 42, 230, 181, 42, 230, 180, 42, 231, 79, 42, 231, 76, 42, 231, 
-    80, 42, 211, 102, 42, 211, 100, 42, 210, 201, 42, 222, 229, 42, 222, 233, 
-    42, 222, 119, 42, 222, 113, 42, 223, 88, 42, 223, 85, 42, 212, 38, 110, 
-    217, 4, 16, 31, 240, 246, 210, 86, 110, 217, 4, 16, 31, 240, 246, 111, 
-    110, 217, 4, 16, 31, 240, 246, 105, 110, 217, 4, 16, 31, 240, 246, 158, 
-    110, 217, 4, 16, 31, 240, 246, 161, 110, 217, 4, 16, 31, 240, 246, 190, 
-    110, 217, 4, 16, 31, 240, 246, 195, 110, 217, 4, 16, 31, 240, 246, 199, 
-    110, 217, 4, 16, 31, 240, 246, 196, 110, 217, 4, 16, 31, 240, 246, 201, 
-    110, 217, 4, 16, 31, 240, 246, 216, 248, 110, 217, 4, 16, 31, 240, 246, 
-    245, 175, 110, 217, 4, 16, 31, 240, 246, 215, 76, 110, 217, 4, 16, 31, 
-    240, 246, 216, 165, 110, 217, 4, 16, 31, 240, 246, 244, 13, 110, 217, 4, 
-    16, 31, 240, 246, 244, 126, 110, 217, 4, 16, 31, 240, 246, 219, 121, 110, 
-    217, 4, 16, 31, 240, 246, 220, 121, 110, 217, 4, 16, 31, 240, 246, 245, 
-    198, 110, 217, 4, 16, 31, 240, 246, 228, 202, 110, 217, 4, 16, 31, 240, 
-    246, 215, 73, 110, 217, 4, 16, 31, 240, 246, 215, 67, 110, 217, 4, 16, 
-    31, 240, 246, 215, 63, 110, 217, 4, 16, 31, 240, 246, 215, 64, 110, 217, 
-    4, 16, 31, 240, 246, 215, 69, 42, 240, 237, 42, 248, 229, 42, 253, 200, 
-    42, 130, 42, 226, 129, 42, 225, 229, 42, 247, 155, 42, 247, 156, 218, 
-    235, 42, 247, 156, 249, 116, 42, 235, 162, 42, 245, 99, 229, 210, 241, 
-    223, 42, 245, 99, 229, 210, 217, 175, 42, 245, 99, 229, 210, 217, 75, 42, 
-    245, 99, 229, 210, 231, 75, 42, 249, 165, 42, 226, 94, 254, 133, 42, 198, 
-    42, 230, 108, 61, 42, 186, 42, 176, 42, 234, 191, 42, 231, 134, 42, 243, 
-    87, 42, 251, 26, 42, 234, 190, 42, 225, 153, 42, 229, 86, 42, 230, 108, 
-    245, 14, 42, 230, 108, 243, 209, 42, 231, 20, 42, 234, 140, 42, 240, 170, 
-    42, 234, 100, 42, 230, 237, 42, 242, 223, 42, 216, 120, 42, 230, 108, 
-    156, 42, 230, 174, 42, 247, 165, 42, 234, 46, 42, 244, 53, 42, 228, 117, 
-    42, 230, 108, 194, 42, 230, 171, 42, 249, 247, 42, 234, 40, 42, 230, 172, 
-    218, 235, 42, 249, 248, 218, 235, 42, 232, 55, 218, 235, 42, 234, 41, 
-    218, 235, 42, 230, 172, 249, 116, 42, 249, 248, 249, 116, 42, 232, 55, 
-    249, 116, 42, 234, 41, 249, 116, 42, 232, 55, 115, 222, 93, 42, 232, 55, 
-    115, 222, 94, 218, 235, 42, 191, 42, 234, 1, 42, 230, 110, 42, 242, 158, 
-    42, 223, 179, 42, 223, 180, 115, 222, 93, 42, 223, 180, 115, 222, 94, 
-    218, 235, 42, 224, 165, 42, 228, 18, 42, 230, 108, 222, 93, 42, 230, 109, 
-    42, 224, 119, 42, 227, 180, 42, 230, 108, 214, 105, 42, 230, 54, 42, 233, 
-    191, 42, 230, 55, 231, 79, 42, 224, 118, 42, 227, 179, 42, 230, 108, 212, 
-    98, 42, 230, 48, 42, 233, 189, 42, 230, 49, 231, 79, 42, 235, 30, 226, 
-    224, 42, 232, 55, 226, 224, 42, 254, 144, 42, 251, 168, 42, 250, 222, 42, 
-    250, 199, 42, 251, 75, 115, 234, 140, 42, 249, 246, 42, 248, 150, 42, 
-    242, 79, 42, 162, 42, 240, 238, 42, 236, 6, 42, 234, 53, 42, 234, 41, 
-    251, 2, 42, 233, 225, 42, 232, 165, 42, 232, 164, 42, 232, 153, 42, 232, 
-    68, 42, 231, 135, 219, 81, 42, 230, 201, 42, 230, 157, 42, 225, 151, 42, 
-    225, 22, 42, 224, 222, 42, 224, 220, 42, 218, 229, 42, 218, 3, 42, 212, 
-    24, 42, 214, 106, 115, 194, 42, 116, 115, 194, 110, 217, 4, 16, 31, 248, 
-    154, 111, 110, 217, 4, 16, 31, 248, 154, 105, 110, 217, 4, 16, 31, 248, 
-    154, 158, 110, 217, 4, 16, 31, 248, 154, 161, 110, 217, 4, 16, 31, 248, 
-    154, 190, 110, 217, 4, 16, 31, 248, 154, 195, 110, 217, 4, 16, 31, 248, 
-    154, 199, 110, 217, 4, 16, 31, 248, 154, 196, 110, 217, 4, 16, 31, 248, 
-    154, 201, 110, 217, 4, 16, 31, 248, 154, 216, 248, 110, 217, 4, 16, 31, 
-    248, 154, 245, 175, 110, 217, 4, 16, 31, 248, 154, 215, 76, 110, 217, 4, 
-    16, 31, 248, 154, 216, 165, 110, 217, 4, 16, 31, 248, 154, 244, 13, 110, 
-    217, 4, 16, 31, 248, 154, 244, 126, 110, 217, 4, 16, 31, 248, 154, 219, 
-    121, 110, 217, 4, 16, 31, 248, 154, 220, 121, 110, 217, 4, 16, 31, 248, 
-    154, 245, 198, 110, 217, 4, 16, 31, 248, 154, 228, 202, 110, 217, 4, 16, 
-    31, 248, 154, 215, 73, 110, 217, 4, 16, 31, 248, 154, 215, 67, 110, 217, 
-    4, 16, 31, 248, 154, 215, 63, 110, 217, 4, 16, 31, 248, 154, 215, 64, 
-    110, 217, 4, 16, 31, 248, 154, 215, 69, 110, 217, 4, 16, 31, 248, 154, 
-    215, 70, 110, 217, 4, 16, 31, 248, 154, 215, 65, 110, 217, 4, 16, 31, 
-    248, 154, 215, 66, 110, 217, 4, 16, 31, 248, 154, 215, 72, 110, 217, 4, 
-    16, 31, 248, 154, 215, 68, 110, 217, 4, 16, 31, 248, 154, 216, 163, 110, 
-    217, 4, 16, 31, 248, 154, 216, 162, 42, 243, 125, 241, 199, 31, 216, 197, 
-    249, 148, 241, 230, 241, 199, 31, 216, 197, 223, 125, 245, 231, 241, 199, 
-    31, 247, 239, 253, 215, 216, 197, 252, 64, 241, 199, 31, 210, 223, 244, 
-    46, 241, 199, 31, 212, 59, 241, 199, 31, 249, 211, 241, 199, 31, 216, 
-    197, 254, 11, 241, 199, 31, 241, 67, 216, 39, 241, 199, 31, 4, 217, 62, 
-    241, 199, 31, 215, 238, 241, 199, 31, 225, 222, 241, 199, 31, 218, 160, 
-    241, 199, 31, 244, 147, 241, 199, 31, 242, 139, 224, 243, 241, 199, 31, 
-    230, 160, 241, 199, 31, 245, 134, 241, 199, 31, 244, 47, 241, 199, 31, 
-    211, 207, 226, 201, 216, 197, 248, 94, 241, 199, 31, 254, 59, 241, 199, 
-    31, 249, 193, 241, 199, 31, 251, 235, 216, 139, 241, 199, 31, 242, 156, 
-    241, 199, 31, 218, 247, 254, 78, 241, 199, 31, 223, 56, 241, 199, 31, 
-    235, 227, 241, 199, 31, 242, 139, 217, 62, 241, 199, 31, 230, 116, 249, 
-    167, 241, 199, 31, 242, 139, 224, 200, 241, 199, 31, 216, 197, 255, 27, 
-    212, 40, 241, 199, 31, 216, 197, 250, 16, 244, 104, 241, 199, 31, 235, 
-    240, 241, 199, 31, 246, 65, 241, 199, 31, 223, 59, 241, 199, 31, 242, 
-    139, 224, 227, 241, 199, 31, 224, 180, 241, 199, 31, 248, 169, 64, 216, 
-    197, 232, 236, 241, 199, 31, 216, 197, 244, 182, 241, 199, 31, 226, 167, 
-    241, 199, 31, 226, 248, 241, 199, 31, 248, 67, 241, 199, 31, 248, 87, 
-    241, 199, 31, 235, 254, 241, 199, 31, 251, 157, 241, 199, 31, 249, 229, 
-    216, 43, 231, 81, 241, 199, 31, 243, 94, 216, 39, 241, 199, 31, 224, 128, 
-    214, 154, 241, 199, 31, 226, 166, 241, 199, 31, 216, 197, 212, 13, 241, 
-    199, 31, 223, 48, 241, 199, 31, 216, 197, 250, 228, 241, 199, 31, 216, 
-    197, 254, 7, 216, 134, 241, 199, 31, 216, 197, 234, 185, 218, 136, 230, 
-    120, 241, 199, 31, 248, 40, 241, 199, 31, 216, 197, 231, 157, 231, 207, 
-    241, 199, 31, 255, 28, 241, 199, 31, 216, 197, 212, 54, 241, 199, 31, 
-    216, 197, 243, 54, 211, 239, 241, 199, 31, 216, 197, 235, 58, 233, 113, 
-    241, 199, 31, 247, 192, 241, 199, 31, 232, 226, 241, 199, 31, 235, 230, 
-    215, 188, 241, 199, 31, 4, 224, 200, 241, 199, 31, 254, 226, 249, 220, 
-    241, 199, 31, 252, 67, 249, 220, 8, 3, 235, 166, 8, 3, 235, 159, 8, 3, 
-    74, 8, 3, 235, 189, 8, 3, 236, 65, 8, 3, 236, 48, 8, 3, 236, 67, 8, 3, 
-    236, 66, 8, 3, 253, 214, 8, 3, 253, 177, 8, 3, 61, 8, 3, 254, 80, 8, 3, 
-    214, 164, 8, 3, 214, 167, 8, 3, 214, 165, 8, 3, 226, 144, 8, 3, 226, 118, 
-    8, 3, 78, 8, 3, 226, 179, 8, 3, 245, 43, 8, 3, 76, 8, 3, 211, 195, 8, 3, 
-    251, 236, 8, 3, 251, 233, 8, 3, 252, 14, 8, 3, 251, 246, 8, 3, 252, 3, 8, 
-    3, 252, 2, 8, 3, 252, 5, 8, 3, 252, 4, 8, 3, 252, 129, 8, 3, 252, 121, 8, 
-    3, 252, 199, 8, 3, 252, 150, 8, 3, 251, 109, 8, 3, 251, 113, 8, 3, 251, 
-    110, 8, 3, 251, 187, 8, 3, 251, 171, 8, 3, 251, 213, 8, 3, 251, 193, 8, 
-    3, 252, 29, 8, 3, 252, 83, 8, 3, 252, 41, 8, 3, 251, 95, 8, 3, 251, 92, 
-    8, 3, 251, 133, 8, 3, 251, 108, 8, 3, 251, 102, 8, 3, 251, 106, 8, 3, 
-    251, 80, 8, 3, 251, 78, 8, 3, 251, 85, 8, 3, 251, 83, 8, 3, 251, 81, 8, 
-    3, 251, 82, 8, 3, 225, 52, 8, 3, 225, 48, 8, 3, 225, 111, 8, 3, 225, 62, 
-    8, 3, 225, 78, 8, 3, 225, 105, 8, 3, 225, 101, 8, 3, 225, 244, 8, 3, 225, 
-    234, 8, 3, 191, 8, 3, 226, 25, 8, 3, 224, 138, 8, 3, 224, 140, 8, 3, 224, 
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-    3, 252, 94, 8, 3, 252, 92, 8, 3, 252, 93, 8, 3, 252, 87, 8, 3, 252, 86, 
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-    179, 8, 3, 229, 175, 8, 3, 229, 176, 8, 3, 229, 178, 8, 3, 229, 177, 8, 
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-    170, 8, 3, 229, 169, 8, 3, 229, 172, 8, 3, 229, 171, 8, 3, 229, 163, 8, 
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-    165, 8, 3, 229, 157, 8, 3, 229, 156, 8, 3, 229, 161, 8, 3, 229, 160, 8, 
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-    108, 8, 3, 241, 110, 8, 3, 241, 109, 8, 3, 241, 113, 8, 3, 241, 112, 8, 
-    3, 241, 115, 8, 3, 241, 114, 8, 3, 241, 104, 8, 3, 241, 103, 8, 3, 241, 
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-    3, 231, 177, 8, 3, 230, 79, 8, 3, 230, 78, 8, 3, 230, 82, 8, 3, 230, 80, 
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-    231, 31, 8, 3, 231, 96, 8, 3, 230, 60, 8, 3, 230, 56, 8, 3, 230, 107, 8, 
-    3, 230, 75, 8, 3, 230, 68, 8, 3, 230, 73, 8, 3, 230, 33, 8, 3, 230, 32, 
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-    3, 244, 178, 8, 3, 244, 11, 8, 3, 244, 51, 8, 3, 244, 35, 8, 3, 243, 225, 
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-    243, 229, 8, 3, 243, 212, 8, 3, 243, 211, 8, 3, 243, 215, 8, 3, 243, 213, 
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-    213, 166, 8, 3, 213, 163, 8, 3, 213, 168, 8, 3, 213, 167, 8, 3, 214, 7, 
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-    121, 8, 3, 213, 138, 8, 3, 213, 126, 8, 3, 213, 178, 8, 3, 213, 244, 8, 
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-    3, 212, 105, 8, 3, 212, 103, 8, 3, 212, 104, 8, 3, 247, 186, 8, 3, 247, 
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-    247, 247, 8, 3, 248, 160, 8, 3, 248, 155, 8, 3, 248, 229, 8, 3, 248, 180, 
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-    153, 8, 3, 247, 130, 8, 3, 248, 38, 8, 3, 248, 98, 8, 3, 248, 53, 8, 3, 
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-    3, 246, 67, 8, 3, 216, 68, 8, 3, 216, 62, 8, 3, 216, 118, 8, 3, 216, 77, 
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-    34, 8, 3, 217, 106, 8, 3, 217, 55, 8, 3, 215, 103, 8, 3, 215, 102, 8, 3, 
-    215, 105, 8, 3, 215, 104, 8, 3, 216, 6, 8, 3, 216, 2, 8, 3, 112, 8, 3, 
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-    3, 215, 83, 8, 3, 215, 119, 8, 3, 215, 101, 8, 3, 215, 89, 8, 3, 215, 99, 
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-    248, 100, 8, 3, 248, 108, 8, 3, 248, 104, 8, 3, 248, 102, 8, 3, 248, 103, 
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-    3, 241, 87, 8, 3, 241, 86, 8, 3, 241, 89, 8, 3, 241, 88, 8, 3, 241, 95, 
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-    79, 8, 3, 241, 81, 8, 3, 241, 80, 8, 3, 241, 82, 8, 3, 241, 91, 8, 3, 
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-    233, 8, 3, 229, 188, 8, 3, 198, 8, 3, 229, 202, 8, 3, 227, 190, 8, 3, 
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-    227, 188, 8, 3, 241, 148, 8, 3, 241, 147, 8, 3, 241, 153, 8, 3, 241, 149, 
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-    3, 233, 23, 8, 3, 232, 79, 8, 3, 232, 77, 8, 3, 232, 103, 8, 3, 232, 82, 
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-    67, 8, 3, 232, 62, 8, 3, 232, 60, 8, 3, 232, 61, 8, 3, 242, 196, 8, 3, 
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-    142, 8, 3, 243, 106, 8, 3, 242, 98, 8, 3, 242, 97, 8, 3, 242, 100, 8, 3, 
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-    3, 234, 91, 8, 3, 234, 94, 8, 3, 234, 92, 8, 3, 234, 208, 8, 3, 234, 196, 
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-    208, 8, 3, 234, 6, 8, 3, 234, 2, 8, 3, 234, 34, 8, 3, 234, 13, 8, 3, 234, 
-    162, 8, 3, 234, 146, 8, 3, 234, 188, 8, 3, 234, 165, 8, 3, 233, 195, 8, 
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-    3, 243, 34, 8, 3, 243, 13, 8, 3, 243, 12, 8, 3, 243, 15, 8, 3, 243, 14, 
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-    28, 8, 3, 243, 27, 8, 3, 243, 31, 8, 3, 243, 29, 8, 3, 243, 8, 8, 3, 243, 
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-    231, 18, 8, 3, 230, 245, 8, 3, 230, 247, 8, 3, 230, 246, 8, 3, 230, 250, 
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-    2, 8, 3, 231, 1, 8, 3, 230, 241, 8, 3, 230, 240, 8, 3, 230, 248, 8, 3, 
-    230, 244, 8, 3, 230, 242, 8, 3, 230, 243, 8, 3, 240, 187, 8, 3, 240, 186, 
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-    31, 8, 3, 229, 30, 8, 3, 229, 72, 8, 3, 229, 70, 8, 3, 229, 82, 8, 3, 
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-    3, 228, 254, 8, 3, 229, 9, 8, 3, 229, 3, 8, 3, 229, 63, 8, 3, 229, 69, 8, 
-    3, 229, 65, 8, 3, 241, 163, 8, 3, 241, 173, 8, 3, 241, 182, 8, 3, 242, 2, 
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-    185, 8, 3, 211, 187, 8, 3, 211, 186, 8, 3, 211, 203, 8, 3, 211, 227, 8, 
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-    39, 8, 3, 210, 38, 8, 3, 210, 102, 8, 3, 210, 99, 8, 3, 210, 116, 8, 3, 
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-    3, 210, 88, 8, 3, 210, 2, 8, 3, 210, 1, 8, 3, 210, 13, 8, 3, 210, 5, 8, 
-    3, 210, 3, 8, 3, 210, 4, 8, 3, 209, 245, 8, 3, 209, 244, 8, 3, 209, 250, 
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-    32, 8, 3, 250, 59, 8, 3, 250, 45, 8, 3, 250, 56, 8, 3, 250, 50, 8, 3, 
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-    3, 251, 3, 8, 3, 249, 112, 8, 3, 249, 114, 8, 3, 249, 113, 8, 3, 249, 
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-    3, 250, 198, 8, 3, 250, 173, 8, 3, 249, 92, 8, 3, 249, 90, 8, 3, 249, 
-    120, 8, 3, 249, 110, 8, 3, 249, 97, 8, 3, 249, 109, 8, 3, 249, 71, 8, 3, 
-    249, 70, 8, 3, 249, 81, 8, 3, 249, 77, 8, 3, 249, 72, 8, 3, 249, 74, 8, 
-    3, 209, 228, 8, 3, 209, 227, 8, 3, 209, 234, 8, 3, 209, 229, 8, 3, 209, 
-    231, 8, 3, 209, 230, 8, 3, 209, 233, 8, 3, 209, 232, 8, 3, 209, 240, 8, 
-    3, 209, 239, 8, 3, 209, 243, 8, 3, 209, 241, 8, 3, 209, 224, 8, 3, 209, 
-    226, 8, 3, 209, 225, 8, 3, 209, 235, 8, 3, 209, 238, 8, 3, 209, 236, 8, 
-    3, 209, 217, 8, 3, 209, 221, 8, 3, 209, 220, 8, 3, 209, 218, 8, 3, 209, 
-    219, 8, 3, 209, 211, 8, 3, 209, 210, 8, 3, 209, 216, 8, 3, 209, 214, 8, 
-    3, 209, 212, 8, 3, 209, 213, 8, 3, 227, 108, 8, 3, 227, 107, 8, 3, 227, 
-    113, 8, 3, 227, 109, 8, 3, 227, 110, 8, 3, 227, 112, 8, 3, 227, 111, 8, 
-    3, 227, 118, 8, 3, 227, 117, 8, 3, 227, 121, 8, 3, 227, 120, 8, 3, 227, 
-    101, 8, 3, 227, 102, 8, 3, 227, 105, 8, 3, 227, 106, 8, 3, 227, 114, 8, 
-    3, 227, 116, 8, 3, 227, 96, 8, 3, 227, 104, 8, 3, 227, 100, 8, 3, 227, 
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-    227, 94, 8, 3, 227, 92, 8, 3, 227, 93, 8, 3, 219, 129, 8, 3, 195, 8, 3, 
-    219, 193, 8, 3, 219, 132, 8, 3, 219, 185, 8, 3, 219, 188, 8, 3, 219, 186, 
-    8, 3, 221, 228, 8, 3, 221, 216, 8, 3, 206, 8, 3, 221, 236, 8, 3, 218, 29, 
-    8, 3, 218, 31, 8, 3, 218, 30, 8, 3, 219, 36, 8, 3, 219, 25, 8, 3, 219, 
-    60, 8, 3, 219, 40, 8, 3, 220, 116, 8, 3, 221, 183, 8, 3, 220, 141, 8, 3, 
-    218, 6, 8, 3, 218, 4, 8, 3, 218, 84, 8, 3, 218, 28, 8, 3, 218, 10, 8, 3, 
-    218, 18, 8, 3, 217, 167, 8, 3, 217, 166, 8, 3, 217, 233, 8, 3, 217, 174, 
-    8, 3, 217, 169, 8, 3, 217, 173, 8, 3, 218, 188, 8, 3, 218, 187, 8, 3, 
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-    76, 8, 3, 210, 82, 8, 3, 210, 79, 8, 3, 210, 59, 8, 3, 210, 61, 8, 3, 
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-    3, 210, 71, 8, 3, 210, 70, 8, 3, 210, 74, 8, 3, 210, 72, 8, 3, 210, 55, 
-    8, 3, 210, 54, 8, 3, 210, 62, 8, 3, 210, 58, 8, 3, 210, 56, 8, 3, 210, 
-    57, 8, 3, 210, 47, 8, 3, 210, 46, 8, 3, 210, 51, 8, 3, 210, 50, 8, 3, 
-    210, 48, 8, 3, 210, 49, 8, 3, 250, 144, 8, 3, 250, 141, 8, 3, 250, 165, 
-    8, 3, 250, 152, 8, 3, 250, 73, 8, 3, 250, 72, 8, 3, 250, 75, 8, 3, 250, 
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-    250, 123, 8, 3, 250, 121, 8, 3, 250, 139, 8, 3, 250, 129, 8, 3, 250, 67, 
-    8, 3, 250, 77, 8, 3, 250, 71, 8, 3, 250, 68, 8, 3, 250, 70, 8, 3, 250, 
-    61, 8, 3, 250, 60, 8, 3, 250, 65, 8, 3, 250, 64, 8, 3, 250, 62, 8, 3, 
-    250, 63, 8, 3, 222, 177, 8, 3, 222, 181, 8, 3, 222, 160, 8, 3, 222, 161, 
-    8, 3, 222, 164, 8, 3, 222, 163, 8, 3, 222, 167, 8, 3, 222, 165, 8, 3, 
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-    8, 3, 222, 154, 8, 3, 222, 162, 8, 3, 222, 159, 8, 3, 222, 157, 8, 3, 
-    222, 158, 8, 3, 222, 149, 8, 3, 222, 148, 8, 3, 222, 153, 8, 3, 222, 152, 
-    8, 3, 222, 150, 8, 3, 222, 151, 8, 3, 228, 39, 8, 3, 228, 38, 8, 3, 228, 
-    41, 8, 3, 228, 40, 8, 3, 228, 31, 8, 3, 228, 33, 8, 3, 228, 32, 8, 3, 
-    228, 35, 8, 3, 228, 34, 8, 3, 228, 37, 8, 3, 228, 36, 8, 3, 228, 26, 8, 
-    3, 228, 25, 8, 3, 228, 30, 8, 3, 228, 29, 8, 3, 228, 27, 8, 3, 228, 28, 
-    8, 3, 228, 20, 8, 3, 228, 19, 8, 3, 228, 24, 8, 3, 228, 23, 8, 3, 228, 
-    21, 8, 3, 228, 22, 8, 3, 220, 74, 8, 3, 220, 69, 8, 3, 220, 104, 8, 3, 
-    220, 85, 8, 3, 219, 217, 8, 3, 219, 219, 8, 3, 219, 218, 8, 3, 219, 238, 
-    8, 3, 219, 235, 8, 3, 220, 9, 8, 3, 220, 0, 8, 3, 220, 44, 8, 3, 220, 37, 
-    8, 3, 220, 65, 8, 3, 220, 52, 8, 3, 219, 213, 8, 3, 219, 211, 8, 3, 219, 
-    227, 8, 3, 219, 216, 8, 3, 219, 214, 8, 3, 219, 215, 8, 3, 219, 196, 8, 
-    3, 219, 195, 8, 3, 219, 202, 8, 3, 219, 199, 8, 3, 219, 197, 8, 3, 219, 
-    198, 8, 3, 223, 144, 8, 3, 223, 138, 8, 3, 205, 8, 3, 223, 150, 8, 3, 
-    222, 122, 8, 3, 222, 124, 8, 3, 222, 123, 8, 3, 222, 190, 8, 3, 222, 183, 
-    8, 3, 222, 213, 8, 3, 222, 194, 8, 3, 223, 46, 8, 3, 223, 131, 8, 3, 223, 
-    84, 8, 3, 222, 115, 8, 3, 222, 112, 8, 3, 222, 142, 8, 3, 222, 121, 8, 3, 
-    222, 117, 8, 3, 222, 118, 8, 3, 222, 97, 8, 3, 222, 96, 8, 3, 222, 102, 
-    8, 3, 222, 100, 8, 3, 222, 98, 8, 3, 222, 99, 8, 3, 235, 104, 8, 3, 235, 
-    103, 8, 3, 235, 114, 8, 3, 235, 105, 8, 3, 235, 110, 8, 3, 235, 109, 8, 
-    3, 235, 112, 8, 3, 235, 111, 8, 3, 235, 47, 8, 3, 235, 46, 8, 3, 235, 49, 
-    8, 3, 235, 48, 8, 3, 235, 62, 8, 3, 235, 60, 8, 3, 235, 74, 8, 3, 235, 
-    64, 8, 3, 235, 40, 8, 3, 235, 38, 8, 3, 235, 57, 8, 3, 235, 45, 8, 3, 
-    235, 42, 8, 3, 235, 43, 8, 3, 235, 32, 8, 3, 235, 31, 8, 3, 235, 36, 8, 
-    3, 235, 35, 8, 3, 235, 33, 8, 3, 235, 34, 8, 3, 224, 49, 8, 3, 224, 47, 
-    8, 3, 224, 56, 8, 3, 224, 50, 8, 3, 224, 53, 8, 3, 224, 52, 8, 3, 224, 
-    55, 8, 3, 224, 54, 8, 3, 224, 2, 8, 3, 223, 255, 8, 3, 224, 4, 8, 3, 224, 
-    3, 8, 3, 224, 36, 8, 3, 224, 35, 8, 3, 224, 45, 8, 3, 224, 39, 8, 3, 223, 
-    250, 8, 3, 223, 246, 8, 3, 224, 33, 8, 3, 223, 254, 8, 3, 223, 252, 8, 3, 
-    223, 253, 8, 3, 223, 230, 8, 3, 223, 228, 8, 3, 223, 240, 8, 3, 223, 233, 
-    8, 3, 223, 231, 8, 3, 223, 232, 8, 3, 235, 93, 8, 3, 235, 92, 8, 3, 235, 
-    99, 8, 3, 235, 94, 8, 3, 235, 96, 8, 3, 235, 95, 8, 3, 235, 98, 8, 3, 
-    235, 97, 8, 3, 235, 84, 8, 3, 235, 86, 8, 3, 235, 85, 8, 3, 235, 89, 8, 
-    3, 235, 88, 8, 3, 235, 91, 8, 3, 235, 90, 8, 3, 235, 80, 8, 3, 235, 79, 
-    8, 3, 235, 87, 8, 3, 235, 83, 8, 3, 235, 81, 8, 3, 235, 82, 8, 3, 235, 
-    76, 8, 3, 235, 75, 8, 3, 235, 78, 8, 3, 235, 77, 8, 3, 228, 167, 8, 3, 
-    228, 166, 8, 3, 228, 174, 8, 3, 228, 168, 8, 3, 228, 170, 8, 3, 228, 169, 
-    8, 3, 228, 173, 8, 3, 228, 171, 8, 3, 228, 156, 8, 3, 228, 157, 8, 3, 
-    228, 162, 8, 3, 228, 161, 8, 3, 228, 165, 8, 3, 228, 163, 8, 3, 228, 151, 
-    8, 3, 228, 160, 8, 3, 228, 155, 8, 3, 228, 152, 8, 3, 228, 153, 8, 3, 
-    228, 146, 8, 3, 228, 145, 8, 3, 228, 150, 8, 3, 228, 149, 8, 3, 228, 147, 
-    8, 3, 228, 148, 8, 3, 227, 141, 8, 3, 227, 140, 8, 3, 227, 152, 8, 3, 
-    227, 145, 8, 3, 227, 149, 8, 3, 227, 148, 8, 3, 227, 151, 8, 3, 227, 150, 
-    8, 3, 227, 128, 8, 3, 227, 130, 8, 3, 227, 129, 8, 3, 227, 134, 8, 3, 
-    227, 133, 8, 3, 227, 138, 8, 3, 227, 135, 8, 3, 227, 126, 8, 3, 227, 124, 
-    8, 3, 227, 132, 8, 3, 227, 127, 8, 3, 211, 150, 8, 3, 211, 149, 8, 3, 
-    211, 157, 8, 3, 211, 152, 8, 3, 211, 154, 8, 3, 211, 153, 8, 3, 211, 156, 
-    8, 3, 211, 155, 8, 3, 211, 139, 8, 3, 211, 140, 8, 3, 211, 144, 8, 3, 
-    211, 143, 8, 3, 211, 148, 8, 3, 211, 146, 8, 3, 211, 121, 8, 3, 211, 119, 
-    8, 3, 211, 131, 8, 3, 211, 124, 8, 3, 211, 122, 8, 3, 211, 123, 8, 3, 
-    210, 250, 8, 3, 210, 248, 8, 3, 211, 8, 8, 3, 210, 251, 8, 3, 211, 2, 8, 
-    3, 211, 1, 8, 3, 211, 5, 8, 3, 211, 3, 8, 3, 210, 191, 8, 3, 210, 190, 8, 
-    3, 210, 194, 8, 3, 210, 192, 8, 3, 210, 224, 8, 3, 210, 221, 8, 3, 210, 
-    244, 8, 3, 210, 228, 8, 3, 210, 182, 8, 3, 210, 178, 8, 3, 210, 212, 8, 
-    3, 210, 189, 8, 3, 210, 185, 8, 3, 210, 186, 8, 3, 210, 162, 8, 3, 210, 
-    161, 8, 3, 210, 169, 8, 3, 210, 165, 8, 3, 210, 163, 8, 3, 210, 164, 8, 
-    34, 224, 36, 8, 34, 232, 247, 8, 34, 234, 67, 8, 34, 227, 145, 8, 34, 
-    249, 77, 8, 34, 218, 194, 8, 34, 243, 19, 8, 34, 243, 51, 8, 34, 230, 
-    235, 8, 34, 240, 187, 8, 34, 232, 61, 8, 34, 252, 91, 8, 34, 230, 131, 8, 
-    34, 210, 244, 8, 34, 224, 124, 8, 34, 240, 181, 8, 34, 217, 47, 8, 34, 
-    243, 142, 8, 34, 210, 5, 8, 34, 249, 71, 8, 34, 248, 103, 8, 34, 251, 
-    106, 8, 34, 243, 15, 8, 34, 227, 135, 8, 34, 215, 119, 8, 34, 226, 179, 
-    8, 34, 235, 80, 8, 34, 210, 19, 8, 34, 224, 103, 8, 34, 241, 115, 8, 34, 
-    210, 250, 8, 34, 212, 112, 8, 34, 219, 202, 8, 34, 213, 244, 8, 34, 210, 
-    116, 8, 34, 235, 74, 8, 34, 227, 100, 8, 34, 235, 78, 8, 34, 242, 161, 8, 
-    34, 235, 98, 8, 34, 211, 227, 8, 34, 246, 86, 8, 34, 219, 215, 8, 34, 
-    232, 242, 8, 34, 249, 81, 8, 34, 249, 113, 8, 34, 250, 45, 8, 34, 240, 
-    184, 8, 34, 220, 74, 8, 34, 210, 4, 8, 34, 220, 0, 8, 34, 250, 139, 8, 
-    34, 209, 231, 8, 34, 229, 178, 8, 34, 234, 188, 232, 202, 1, 252, 199, 
-    232, 202, 1, 191, 232, 202, 1, 225, 150, 232, 202, 1, 248, 229, 232, 202, 
-    1, 217, 106, 232, 202, 1, 216, 209, 232, 202, 1, 243, 142, 232, 202, 1, 
-    176, 232, 202, 1, 234, 138, 232, 202, 1, 235, 147, 232, 202, 1, 251, 41, 
-    232, 202, 1, 250, 165, 232, 202, 1, 246, 46, 232, 202, 1, 215, 184, 232, 
-    202, 1, 215, 176, 232, 202, 1, 186, 232, 202, 1, 198, 232, 202, 1, 233, 
-    141, 232, 202, 1, 206, 232, 202, 1, 210, 82, 232, 202, 1, 210, 116, 232, 
-    202, 1, 229, 82, 232, 202, 1, 162, 232, 202, 1, 211, 165, 232, 202, 1, 
-    241, 196, 232, 202, 1, 244, 204, 232, 202, 1, 212, 65, 232, 202, 1, 220, 
-    104, 232, 202, 1, 192, 232, 202, 1, 243, 0, 232, 202, 1, 61, 232, 202, 1, 
-    254, 252, 232, 202, 1, 76, 232, 202, 1, 245, 63, 232, 202, 1, 74, 232, 
-    202, 1, 78, 232, 202, 1, 69, 232, 202, 1, 214, 214, 232, 202, 1, 214, 
-    208, 232, 202, 1, 226, 238, 232, 202, 1, 138, 230, 37, 216, 118, 232, 
-    202, 1, 138, 229, 234, 225, 19, 232, 202, 1, 138, 230, 37, 249, 80, 232, 
-    202, 1, 138, 230, 37, 251, 213, 232, 202, 1, 138, 230, 37, 198, 232, 202, 
-    1, 138, 230, 37, 235, 121, 232, 202, 224, 144, 249, 227, 232, 202, 224, 
-    144, 243, 236, 218, 131, 41, 3, 245, 217, 41, 3, 245, 213, 41, 3, 241, 
-    227, 41, 3, 212, 17, 41, 3, 212, 16, 41, 3, 225, 214, 41, 3, 252, 21, 41, 
-    3, 252, 74, 41, 3, 231, 121, 41, 3, 233, 253, 41, 3, 231, 11, 41, 3, 243, 
-    82, 41, 3, 244, 155, 41, 3, 213, 250, 41, 3, 217, 12, 41, 3, 216, 195, 
-    41, 3, 248, 24, 41, 3, 248, 21, 41, 3, 233, 56, 41, 3, 223, 111, 41, 3, 
-    248, 85, 41, 3, 229, 144, 41, 3, 221, 172, 41, 3, 220, 63, 41, 3, 210, 
-    92, 41, 3, 210, 73, 41, 3, 250, 190, 41, 3, 235, 130, 41, 3, 228, 181, 
-    41, 3, 211, 44, 41, 3, 234, 187, 41, 3, 229, 56, 41, 3, 243, 62, 41, 3, 
-    231, 85, 41, 3, 229, 108, 41, 3, 227, 159, 41, 3, 74, 41, 3, 236, 6, 41, 
-    3, 241, 187, 41, 3, 241, 167, 41, 3, 211, 250, 41, 3, 211, 241, 41, 3, 
-    225, 111, 41, 3, 252, 19, 41, 3, 252, 14, 41, 3, 231, 114, 41, 3, 233, 
-    250, 41, 3, 231, 8, 41, 3, 243, 78, 41, 3, 244, 129, 41, 3, 213, 176, 41, 
-    3, 216, 118, 41, 3, 216, 176, 41, 3, 248, 16, 41, 3, 248, 20, 41, 3, 232, 
-    247, 41, 3, 223, 38, 41, 3, 248, 11, 41, 3, 229, 138, 41, 3, 219, 193, 
-    41, 3, 220, 34, 41, 3, 210, 44, 41, 3, 210, 69, 41, 3, 250, 59, 41, 3, 
-    235, 114, 41, 3, 228, 174, 41, 3, 211, 8, 41, 3, 234, 98, 41, 3, 229, 48, 
-    41, 3, 242, 221, 41, 3, 230, 235, 41, 3, 228, 238, 41, 3, 227, 152, 41, 
-    3, 61, 41, 3, 254, 131, 41, 3, 229, 77, 41, 3, 162, 41, 3, 242, 25, 41, 
-    3, 212, 65, 41, 3, 212, 55, 41, 3, 191, 41, 3, 252, 26, 41, 3, 252, 199, 
-    41, 3, 231, 129, 41, 3, 234, 1, 41, 3, 234, 0, 41, 3, 231, 15, 41, 3, 
-    243, 86, 41, 3, 244, 204, 41, 3, 214, 27, 41, 3, 217, 106, 41, 3, 216, 
-    209, 41, 3, 248, 33, 41, 3, 248, 23, 41, 3, 233, 141, 41, 3, 205, 41, 3, 
-    248, 229, 41, 3, 229, 153, 41, 3, 206, 41, 3, 220, 104, 41, 3, 210, 116, 
-    41, 3, 210, 82, 41, 3, 251, 41, 41, 3, 235, 147, 41, 3, 228, 190, 41, 3, 
-    192, 41, 3, 176, 41, 3, 234, 240, 41, 3, 229, 61, 41, 3, 243, 142, 41, 3, 
-    186, 41, 3, 198, 41, 3, 227, 169, 41, 3, 226, 187, 41, 3, 226, 183, 41, 
-    3, 241, 60, 41, 3, 211, 215, 41, 3, 211, 211, 41, 3, 224, 252, 41, 3, 
-    252, 17, 41, 3, 251, 201, 41, 3, 231, 109, 41, 3, 233, 248, 41, 3, 231, 
-    4, 41, 3, 243, 74, 41, 3, 244, 42, 41, 3, 213, 127, 41, 3, 216, 18, 41, 
-    3, 216, 154, 41, 3, 248, 14, 41, 3, 248, 18, 41, 3, 232, 133, 41, 3, 222, 
-    199, 41, 3, 247, 133, 41, 3, 229, 125, 41, 3, 219, 42, 41, 3, 220, 3, 41, 
-    3, 210, 21, 41, 3, 210, 66, 41, 3, 249, 182, 41, 3, 235, 65, 41, 3, 228, 
-    164, 41, 3, 210, 229, 41, 3, 234, 16, 41, 3, 229, 46, 41, 3, 242, 171, 
-    41, 3, 230, 137, 41, 3, 228, 69, 41, 3, 227, 136, 41, 3, 69, 41, 3, 214, 
-    190, 41, 3, 240, 229, 41, 3, 240, 219, 41, 3, 211, 195, 41, 3, 211, 189, 
-    41, 3, 224, 153, 41, 3, 252, 16, 41, 3, 251, 133, 41, 3, 231, 108, 41, 3, 
-    233, 246, 41, 3, 231, 3, 41, 3, 243, 73, 41, 3, 243, 241, 41, 3, 212, 
-    116, 41, 3, 215, 119, 41, 3, 216, 137, 41, 3, 248, 12, 41, 3, 248, 17, 
-    41, 3, 232, 103, 41, 3, 222, 142, 41, 3, 246, 86, 41, 3, 229, 120, 41, 3, 
-    218, 84, 41, 3, 219, 227, 41, 3, 210, 13, 41, 3, 210, 62, 41, 3, 249, 
-    120, 41, 3, 235, 57, 41, 3, 228, 160, 41, 3, 210, 212, 41, 3, 233, 223, 
-    41, 3, 229, 45, 41, 3, 242, 120, 41, 3, 230, 107, 41, 3, 227, 242, 41, 3, 
-    227, 132, 41, 3, 78, 41, 3, 226, 200, 41, 3, 229, 5, 41, 3, 241, 75, 41, 
-    3, 241, 63, 41, 3, 211, 227, 41, 3, 211, 216, 41, 3, 225, 19, 41, 3, 252, 
-    18, 41, 3, 251, 213, 41, 3, 231, 110, 41, 3, 233, 249, 41, 3, 231, 6, 41, 
-    3, 243, 76, 41, 3, 243, 75, 41, 3, 244, 51, 41, 3, 213, 138, 41, 3, 112, 
-    41, 3, 216, 157, 41, 3, 248, 15, 41, 3, 248, 19, 41, 3, 232, 162, 41, 3, 
-    222, 213, 41, 3, 247, 153, 41, 3, 229, 129, 41, 3, 219, 60, 41, 3, 220, 
-    9, 41, 3, 210, 23, 41, 3, 210, 67, 41, 3, 249, 246, 41, 3, 235, 74, 41, 
-    3, 228, 165, 41, 3, 210, 244, 41, 3, 234, 34, 41, 3, 229, 47, 41, 3, 242, 
-    181, 41, 3, 230, 166, 41, 3, 228, 79, 41, 3, 227, 138, 41, 3, 76, 41, 3, 
-    245, 158, 41, 3, 229, 66, 41, 3, 241, 245, 41, 3, 241, 216, 41, 3, 212, 
-    22, 41, 3, 212, 12, 41, 3, 225, 224, 41, 3, 252, 22, 41, 3, 252, 83, 41, 
-    3, 231, 122, 41, 3, 233, 254, 41, 3, 233, 252, 41, 3, 231, 12, 41, 3, 
-    243, 83, 41, 3, 243, 81, 41, 3, 244, 162, 41, 3, 213, 255, 41, 3, 217, 
-    23, 41, 3, 216, 196, 41, 3, 248, 25, 41, 3, 248, 22, 41, 3, 233, 64, 41, 
-    3, 223, 131, 41, 3, 248, 98, 41, 3, 229, 145, 41, 3, 221, 183, 41, 3, 
-    220, 65, 41, 3, 210, 94, 41, 3, 210, 74, 41, 3, 250, 198, 41, 3, 235, 
-    132, 41, 3, 228, 183, 41, 3, 211, 47, 41, 3, 234, 188, 41, 3, 229, 57, 
-    41, 3, 229, 53, 41, 3, 243, 69, 41, 3, 243, 58, 41, 3, 231, 96, 41, 3, 
-    229, 112, 41, 3, 227, 160, 41, 3, 229, 84, 41, 3, 233, 28, 41, 249, 227, 
-    41, 243, 236, 218, 131, 41, 224, 16, 79, 41, 3, 229, 128, 244, 204, 41, 
-    3, 229, 128, 176, 41, 3, 229, 128, 219, 42, 41, 16, 244, 152, 41, 16, 
-    234, 186, 41, 16, 216, 82, 41, 16, 228, 213, 41, 16, 252, 155, 41, 16, 
-    244, 203, 41, 16, 217, 102, 41, 16, 248, 184, 41, 16, 247, 132, 41, 16, 
-    233, 212, 41, 16, 216, 22, 41, 16, 247, 152, 41, 16, 235, 66, 41, 21, 
-    210, 86, 41, 21, 111, 41, 21, 105, 41, 21, 158, 41, 21, 161, 41, 21, 190, 
-    41, 21, 195, 41, 21, 199, 41, 21, 196, 41, 21, 201, 41, 3, 229, 128, 186, 
-    41, 3, 229, 128, 247, 153, 33, 6, 1, 210, 90, 33, 4, 1, 210, 90, 33, 6, 
-    1, 246, 42, 33, 4, 1, 246, 42, 33, 6, 1, 223, 52, 246, 44, 33, 4, 1, 223, 
-    52, 246, 44, 33, 6, 1, 235, 192, 33, 4, 1, 235, 192, 33, 6, 1, 247, 169, 
-    33, 4, 1, 247, 169, 33, 6, 1, 230, 145, 214, 205, 33, 4, 1, 230, 145, 
-    214, 205, 33, 6, 1, 251, 144, 226, 205, 33, 4, 1, 251, 144, 226, 205, 33, 
-    6, 1, 229, 92, 211, 31, 33, 4, 1, 229, 92, 211, 31, 33, 6, 1, 211, 28, 2, 
-    252, 193, 211, 31, 33, 4, 1, 211, 28, 2, 252, 193, 211, 31, 33, 6, 1, 
-    235, 190, 211, 59, 33, 4, 1, 235, 190, 211, 59, 33, 6, 1, 223, 52, 210, 
-    212, 33, 4, 1, 223, 52, 210, 212, 33, 6, 1, 235, 190, 61, 33, 4, 1, 235, 
-    190, 61, 33, 6, 1, 250, 8, 232, 198, 210, 183, 33, 4, 1, 250, 8, 232, 
-    198, 210, 183, 33, 6, 1, 251, 222, 210, 183, 33, 4, 1, 251, 222, 210, 
-    183, 33, 6, 1, 235, 190, 250, 8, 232, 198, 210, 183, 33, 4, 1, 235, 190, 
-    250, 8, 232, 198, 210, 183, 33, 6, 1, 210, 246, 33, 4, 1, 210, 246, 33, 
-    6, 1, 223, 52, 215, 179, 33, 4, 1, 223, 52, 215, 179, 33, 6, 1, 219, 54, 
-    248, 98, 33, 4, 1, 219, 54, 248, 98, 33, 6, 1, 219, 54, 245, 182, 33, 4, 
-    1, 219, 54, 245, 182, 33, 6, 1, 219, 54, 245, 167, 33, 4, 1, 219, 54, 
-    245, 167, 33, 6, 1, 230, 149, 78, 33, 4, 1, 230, 149, 78, 33, 6, 1, 251, 
-    248, 78, 33, 4, 1, 251, 248, 78, 33, 6, 1, 52, 230, 149, 78, 33, 4, 1, 
-    52, 230, 149, 78, 33, 1, 230, 91, 78, 38, 33, 212, 100, 38, 33, 216, 249, 
-    230, 196, 50, 38, 33, 240, 218, 230, 196, 50, 38, 33, 216, 149, 230, 196, 
-    50, 219, 95, 253, 224, 38, 33, 1, 214, 202, 236, 67, 38, 33, 1, 74, 38, 
-    33, 1, 211, 8, 38, 33, 1, 69, 38, 33, 1, 242, 10, 50, 38, 33, 1, 211, 27, 
-    38, 33, 1, 219, 54, 50, 38, 33, 1, 226, 205, 38, 33, 234, 198, 38, 33, 
-    225, 231, 33, 234, 198, 33, 225, 231, 33, 6, 1, 246, 54, 33, 4, 1, 246, 
-    54, 33, 6, 1, 246, 35, 33, 4, 1, 246, 35, 33, 6, 1, 210, 52, 33, 4, 1, 
-    210, 52, 33, 6, 1, 250, 214, 33, 4, 1, 250, 214, 33, 6, 1, 246, 33, 33, 
-    4, 1, 246, 33, 33, 6, 1, 217, 24, 2, 230, 229, 103, 33, 4, 1, 217, 24, 2, 
-    230, 229, 103, 33, 6, 1, 215, 78, 33, 4, 1, 215, 78, 33, 6, 1, 215, 161, 
-    33, 4, 1, 215, 161, 33, 6, 1, 215, 165, 33, 4, 1, 215, 165, 33, 6, 1, 
-    217, 29, 33, 4, 1, 217, 29, 33, 6, 1, 240, 205, 33, 4, 1, 240, 205, 33, 
-    6, 1, 219, 208, 33, 4, 1, 219, 208, 38, 33, 1, 235, 190, 76, 20, 1, 61, 
-    20, 1, 176, 20, 1, 69, 20, 1, 233, 223, 20, 1, 245, 217, 20, 1, 223, 111, 
-    20, 1, 217, 87, 20, 1, 78, 20, 1, 227, 152, 20, 1, 74, 20, 1, 233, 141, 
-    20, 1, 191, 20, 1, 222, 242, 20, 1, 223, 32, 20, 1, 233, 55, 20, 1, 231, 
-    84, 20, 1, 217, 102, 20, 1, 229, 151, 20, 1, 228, 188, 20, 1, 194, 20, 1, 
-    218, 5, 20, 1, 230, 107, 20, 1, 220, 29, 20, 1, 219, 193, 20, 1, 220, 39, 
-    20, 1, 220, 125, 20, 1, 233, 161, 20, 1, 234, 162, 20, 1, 227, 213, 20, 
-    1, 227, 242, 20, 1, 228, 159, 20, 1, 210, 226, 20, 1, 219, 227, 20, 1, 
-    210, 187, 20, 1, 192, 20, 1, 228, 14, 20, 1, 234, 148, 20, 1, 225, 154, 
-    20, 1, 228, 181, 20, 1, 227, 251, 20, 1, 224, 147, 20, 1, 211, 192, 20, 
-    1, 225, 214, 20, 1, 244, 155, 20, 1, 222, 142, 20, 1, 232, 103, 20, 1, 
-    230, 235, 20, 1, 228, 238, 20, 1, 223, 54, 20, 1, 223, 174, 20, 1, 234, 
-    171, 20, 1, 229, 12, 20, 1, 229, 61, 20, 1, 229, 82, 20, 1, 220, 9, 20, 
-    1, 224, 150, 20, 1, 243, 241, 20, 1, 244, 45, 20, 1, 212, 65, 20, 1, 198, 
-    20, 1, 232, 247, 20, 1, 225, 111, 20, 1, 232, 125, 20, 1, 234, 34, 20, 1, 
-    231, 119, 20, 1, 223, 86, 20, 1, 231, 63, 20, 1, 186, 20, 1, 216, 118, 
-    20, 1, 234, 98, 20, 1, 230, 166, 20, 1, 231, 127, 20, 1, 216, 231, 20, 1, 
-    234, 1, 20, 1, 216, 248, 20, 1, 227, 243, 20, 1, 221, 253, 20, 1, 244, 
-    200, 20, 1, 234, 3, 20, 1, 234, 30, 20, 38, 164, 234, 11, 20, 38, 164, 
-    215, 111, 20, 228, 187, 20, 243, 236, 218, 131, 20, 249, 234, 20, 249, 
-    227, 20, 220, 152, 20, 224, 16, 79, 58, 1, 250, 104, 138, 210, 254, 225, 
-    64, 58, 1, 250, 104, 138, 211, 70, 225, 64, 58, 1, 250, 104, 138, 210, 
-    254, 220, 86, 58, 1, 250, 104, 138, 211, 70, 220, 86, 58, 1, 250, 104, 
-    138, 210, 254, 224, 33, 58, 1, 250, 104, 138, 211, 70, 224, 33, 58, 1, 
-    250, 104, 138, 210, 254, 222, 142, 58, 1, 250, 104, 138, 211, 70, 222, 
-    142, 58, 1, 245, 28, 246, 126, 138, 130, 58, 1, 125, 246, 126, 138, 130, 
-    58, 1, 230, 230, 246, 126, 138, 130, 58, 1, 121, 246, 126, 138, 130, 58, 
-    1, 245, 27, 246, 126, 138, 130, 58, 1, 245, 28, 246, 126, 233, 45, 138, 
-    130, 58, 1, 125, 246, 126, 233, 45, 138, 130, 58, 1, 230, 230, 246, 126, 
-    233, 45, 138, 130, 58, 1, 121, 246, 126, 233, 45, 138, 130, 58, 1, 245, 
-    27, 246, 126, 233, 45, 138, 130, 58, 1, 245, 28, 233, 45, 138, 130, 58, 
-    1, 125, 233, 45, 138, 130, 58, 1, 230, 230, 233, 45, 138, 130, 58, 1, 
-    121, 233, 45, 138, 130, 58, 1, 245, 27, 233, 45, 138, 130, 58, 1, 59, 67, 
-    130, 58, 1, 59, 219, 97, 58, 1, 59, 203, 130, 58, 1, 232, 114, 44, 249, 
-    169, 254, 117, 58, 1, 223, 160, 120, 75, 58, 1, 223, 160, 124, 75, 58, 1, 
-    223, 160, 245, 39, 79, 58, 1, 223, 160, 235, 200, 245, 39, 79, 58, 1, 
-    121, 235, 200, 245, 39, 79, 58, 1, 218, 113, 22, 125, 216, 31, 58, 1, 
-    218, 113, 22, 121, 216, 31, 7, 6, 1, 245, 207, 254, 179, 7, 4, 1, 245, 
-    207, 254, 179, 7, 6, 1, 245, 207, 254, 205, 7, 4, 1, 245, 207, 254, 205, 
-    7, 6, 1, 241, 214, 7, 4, 1, 241, 214, 7, 6, 1, 215, 40, 7, 4, 1, 215, 40, 
-    7, 6, 1, 215, 230, 7, 4, 1, 215, 230, 7, 6, 1, 249, 118, 7, 4, 1, 249, 
-    118, 7, 6, 1, 249, 119, 2, 249, 227, 7, 4, 1, 249, 119, 2, 249, 227, 7, 
-    1, 4, 6, 245, 14, 7, 1, 4, 6, 222, 93, 7, 6, 1, 255, 82, 7, 4, 1, 255, 
-    82, 7, 6, 1, 254, 81, 7, 4, 1, 254, 81, 7, 6, 1, 253, 200, 7, 4, 1, 253, 
-    200, 7, 6, 1, 253, 184, 7, 4, 1, 253, 184, 7, 6, 1, 253, 185, 2, 203, 
-    130, 7, 4, 1, 253, 185, 2, 203, 130, 7, 6, 1, 253, 175, 7, 4, 1, 253, 
-    175, 7, 6, 1, 223, 52, 251, 75, 2, 247, 128, 7, 4, 1, 223, 52, 251, 75, 
-    2, 247, 128, 7, 6, 1, 235, 30, 2, 91, 7, 4, 1, 235, 30, 2, 91, 7, 6, 1, 
-    235, 30, 2, 248, 7, 91, 7, 4, 1, 235, 30, 2, 248, 7, 91, 7, 6, 1, 235, 
-    30, 2, 218, 105, 22, 248, 7, 91, 7, 4, 1, 235, 30, 2, 218, 105, 22, 248, 
-    7, 91, 7, 6, 1, 251, 143, 156, 7, 4, 1, 251, 143, 156, 7, 6, 1, 233, 155, 
-    2, 125, 91, 7, 4, 1, 233, 155, 2, 125, 91, 7, 6, 1, 144, 2, 200, 218, 
-    105, 226, 124, 7, 4, 1, 144, 2, 200, 218, 105, 226, 124, 7, 6, 1, 144, 2, 
-    232, 129, 7, 4, 1, 144, 2, 232, 129, 7, 6, 1, 226, 187, 7, 4, 1, 226, 
-    187, 7, 6, 1, 226, 110, 2, 218, 105, 216, 140, 248, 47, 7, 4, 1, 226, 
-    110, 2, 218, 105, 216, 140, 248, 47, 7, 6, 1, 226, 110, 2, 244, 61, 7, 4, 
-    1, 226, 110, 2, 244, 61, 7, 6, 1, 226, 110, 2, 218, 231, 217, 78, 7, 4, 
-    1, 226, 110, 2, 218, 231, 217, 78, 7, 6, 1, 224, 100, 2, 218, 105, 216, 
-    140, 248, 47, 7, 4, 1, 224, 100, 2, 218, 105, 216, 140, 248, 47, 7, 6, 1, 
-    224, 100, 2, 248, 7, 91, 7, 4, 1, 224, 100, 2, 248, 7, 91, 7, 6, 1, 223, 
-    227, 222, 188, 7, 4, 1, 223, 227, 222, 188, 7, 6, 1, 222, 132, 222, 188, 
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-    214, 106, 2, 248, 7, 91, 7, 6, 1, 212, 106, 7, 4, 1, 212, 106, 7, 6, 1, 
-    213, 145, 210, 159, 7, 4, 1, 213, 145, 210, 159, 7, 6, 1, 216, 153, 2, 
-    91, 7, 4, 1, 216, 153, 2, 91, 7, 6, 1, 216, 153, 2, 218, 105, 216, 140, 
-    248, 47, 7, 4, 1, 216, 153, 2, 218, 105, 216, 140, 248, 47, 7, 6, 1, 213, 
-    245, 7, 4, 1, 213, 245, 7, 6, 1, 245, 73, 7, 4, 1, 245, 73, 7, 6, 1, 235, 
-    178, 7, 4, 1, 235, 178, 7, 6, 1, 249, 215, 7, 4, 1, 249, 215, 58, 1, 214, 
-    133, 7, 4, 1, 246, 77, 7, 4, 1, 232, 89, 7, 4, 1, 230, 85, 7, 4, 1, 227, 
-    205, 7, 4, 1, 222, 131, 7, 1, 4, 6, 222, 131, 7, 4, 1, 215, 109, 7, 4, 1, 
-    214, 197, 7, 6, 1, 235, 220, 249, 68, 7, 4, 1, 235, 220, 249, 68, 7, 6, 
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-    209, 7, 6, 1, 215, 94, 235, 220, 243, 209, 7, 4, 1, 215, 94, 235, 220, 
-    243, 209, 7, 6, 1, 215, 94, 156, 7, 4, 1, 215, 94, 156, 7, 6, 1, 235, 
-    220, 153, 7, 4, 1, 235, 220, 153, 7, 6, 1, 235, 220, 222, 93, 7, 4, 1, 
-    235, 220, 222, 93, 7, 6, 1, 235, 220, 217, 153, 7, 4, 1, 235, 220, 217, 
-    153, 58, 1, 121, 250, 39, 255, 23, 58, 1, 249, 234, 58, 1, 219, 253, 245, 
-    106, 50, 7, 6, 1, 222, 1, 7, 4, 1, 222, 1, 7, 6, 1, 215, 94, 242, 67, 7, 
-    4, 1, 233, 155, 2, 223, 58, 241, 59, 22, 252, 49, 7, 6, 1, 230, 31, 2, 
-    248, 47, 7, 4, 1, 230, 31, 2, 248, 47, 7, 6, 1, 251, 75, 2, 130, 7, 4, 1, 
-    251, 75, 2, 130, 7, 6, 1, 243, 210, 2, 226, 252, 91, 7, 4, 1, 243, 210, 
-    2, 226, 252, 91, 7, 6, 1, 235, 30, 2, 226, 252, 91, 7, 4, 1, 235, 30, 2, 
-    226, 252, 91, 7, 6, 1, 230, 31, 2, 226, 252, 91, 7, 4, 1, 230, 31, 2, 
-    226, 252, 91, 7, 6, 1, 223, 227, 2, 226, 252, 91, 7, 4, 1, 223, 227, 2, 
-    226, 252, 91, 7, 6, 1, 222, 94, 2, 226, 252, 91, 7, 4, 1, 222, 94, 2, 
-    226, 252, 91, 7, 6, 1, 242, 68, 2, 103, 58, 1, 6, 242, 68, 2, 91, 58, 1, 
-    4, 27, 226, 238, 7, 1, 4, 6, 215, 94, 194, 7, 245, 111, 1, 223, 52, 245, 
-    14, 7, 245, 111, 1, 223, 52, 226, 109, 7, 245, 111, 1, 235, 200, 194, 7, 
-    245, 111, 1, 240, 161, 232, 135, 7, 245, 111, 1, 254, 31, 194, 217, 231, 
-    229, 219, 1, 61, 217, 231, 229, 219, 1, 74, 217, 231, 229, 219, 5, 246, 
-    56, 217, 231, 229, 219, 1, 69, 217, 231, 229, 219, 1, 76, 217, 231, 229, 
-    219, 1, 78, 217, 231, 229, 219, 5, 242, 4, 217, 231, 229, 219, 1, 234, 
-    34, 217, 231, 229, 219, 1, 234, 111, 217, 231, 229, 219, 1, 242, 181, 
-    217, 231, 229, 219, 1, 242, 231, 217, 231, 229, 219, 5, 254, 83, 217, 
-    231, 229, 219, 1, 249, 246, 217, 231, 229, 219, 1, 250, 94, 217, 231, 
-    229, 219, 1, 235, 74, 217, 231, 229, 219, 1, 235, 115, 217, 231, 229, 
-    219, 1, 215, 134, 217, 231, 229, 219, 1, 215, 140, 217, 231, 229, 219, 1, 
-    248, 113, 217, 231, 229, 219, 1, 248, 122, 217, 231, 229, 219, 1, 112, 
-    217, 231, 229, 219, 1, 216, 157, 217, 231, 229, 219, 1, 247, 153, 217, 
-    231, 229, 219, 1, 248, 15, 217, 231, 229, 219, 1, 228, 79, 217, 231, 229, 
-    219, 1, 225, 19, 217, 231, 229, 219, 1, 225, 124, 217, 231, 229, 219, 1, 
-    251, 213, 217, 231, 229, 219, 1, 252, 18, 217, 231, 229, 219, 1, 230, 
-    166, 217, 231, 229, 219, 1, 222, 213, 217, 231, 229, 219, 1, 232, 162, 
-    217, 231, 229, 219, 1, 222, 167, 217, 231, 229, 219, 1, 219, 60, 217, 
-    231, 229, 219, 1, 241, 75, 217, 231, 229, 219, 25, 5, 61, 217, 231, 229, 
-    219, 25, 5, 74, 217, 231, 229, 219, 25, 5, 69, 217, 231, 229, 219, 25, 5, 
-    76, 217, 231, 229, 219, 25, 5, 226, 187, 217, 231, 229, 219, 225, 15, 
-    231, 163, 217, 231, 229, 219, 225, 15, 231, 162, 217, 231, 229, 219, 225, 
-    15, 231, 161, 217, 231, 229, 219, 225, 15, 231, 160, 228, 61, 235, 247, 
-    244, 10, 123, 224, 24, 228, 61, 235, 247, 244, 10, 123, 242, 34, 228, 61, 
-    235, 247, 244, 10, 134, 224, 22, 228, 61, 235, 247, 244, 10, 123, 219, 
-    119, 228, 61, 235, 247, 244, 10, 123, 245, 196, 228, 61, 235, 247, 244, 
-    10, 134, 219, 118, 228, 61, 235, 247, 224, 25, 79, 228, 61, 235, 247, 
-    225, 43, 79, 228, 61, 235, 247, 222, 120, 79, 228, 61, 235, 247, 224, 26, 
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-    147, 1, 229, 82, 225, 147, 1, 251, 41, 225, 147, 1, 250, 165, 225, 147, 
-    1, 235, 147, 225, 147, 1, 227, 169, 225, 147, 1, 217, 106, 225, 147, 1, 
-    216, 209, 225, 147, 1, 248, 229, 225, 147, 1, 198, 225, 147, 1, 191, 225, 
-    147, 1, 225, 150, 225, 147, 1, 252, 199, 225, 147, 1, 186, 225, 147, 1, 
-    215, 184, 225, 147, 1, 215, 176, 225, 147, 1, 246, 46, 225, 147, 1, 212, 
-    65, 225, 147, 1, 210, 82, 225, 147, 1, 210, 116, 225, 147, 1, 4, 61, 225, 
-    147, 1, 192, 225, 147, 1, 205, 225, 147, 1, 233, 141, 225, 147, 1, 220, 
-    104, 225, 147, 1, 206, 225, 147, 1, 162, 225, 147, 1, 61, 225, 147, 1, 
-    74, 225, 147, 1, 69, 225, 147, 1, 76, 225, 147, 1, 78, 225, 147, 1, 224, 
-    91, 225, 147, 1, 211, 165, 225, 147, 1, 244, 204, 225, 147, 1, 243, 36, 
-    225, 147, 1, 245, 217, 225, 147, 218, 74, 1, 212, 65, 225, 147, 218, 74, 
-    1, 192, 225, 147, 1, 215, 157, 225, 147, 1, 215, 145, 225, 147, 1, 248, 
-    143, 225, 147, 1, 228, 115, 225, 147, 1, 254, 149, 192, 225, 147, 1, 213, 
-    134, 220, 104, 225, 147, 1, 213, 135, 162, 225, 147, 1, 253, 231, 244, 
-    204, 225, 147, 218, 74, 1, 205, 225, 147, 218, 26, 1, 205, 225, 147, 1, 
-    251, 7, 225, 147, 219, 157, 241, 243, 79, 225, 147, 52, 241, 243, 79, 
-    225, 147, 164, 220, 97, 225, 147, 164, 52, 220, 97, 179, 5, 254, 83, 179, 
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-    179, 1, 69, 179, 1, 214, 118, 179, 1, 149, 153, 179, 1, 149, 222, 182, 
-    179, 1, 149, 156, 179, 1, 149, 232, 191, 179, 1, 76, 179, 1, 245, 217, 
-    179, 1, 254, 210, 179, 1, 78, 179, 1, 226, 187, 179, 1, 253, 200, 179, 1, 
-    176, 179, 1, 234, 138, 179, 1, 243, 142, 179, 1, 243, 0, 179, 1, 229, 82, 
-    179, 1, 251, 41, 179, 1, 250, 165, 179, 1, 235, 147, 179, 1, 235, 120, 
-    179, 1, 227, 169, 179, 1, 215, 157, 179, 1, 215, 145, 179, 1, 248, 143, 
-    179, 1, 248, 127, 179, 1, 228, 115, 179, 1, 217, 106, 179, 1, 216, 209, 
-    179, 1, 248, 229, 179, 1, 248, 33, 179, 1, 198, 179, 1, 191, 179, 1, 225, 
-    150, 179, 1, 252, 199, 179, 1, 252, 26, 179, 1, 186, 179, 1, 192, 179, 1, 
-    205, 179, 1, 233, 141, 179, 1, 214, 27, 179, 1, 220, 104, 179, 1, 218, 
-    225, 179, 1, 206, 179, 1, 162, 179, 1, 232, 190, 179, 117, 5, 242, 51, 
-    179, 25, 5, 255, 82, 179, 25, 5, 74, 179, 25, 5, 236, 40, 179, 25, 5, 69, 
-    179, 25, 5, 214, 118, 179, 25, 5, 149, 153, 179, 25, 5, 149, 222, 182, 
-    179, 25, 5, 149, 156, 179, 25, 5, 149, 232, 191, 179, 25, 5, 76, 179, 25, 
-    5, 245, 217, 179, 25, 5, 254, 210, 179, 25, 5, 78, 179, 25, 5, 226, 187, 
-    179, 25, 5, 253, 200, 179, 5, 213, 152, 179, 248, 186, 179, 52, 248, 186, 
-    179, 21, 210, 86, 179, 21, 111, 179, 21, 105, 179, 21, 158, 179, 21, 161, 
-    179, 21, 190, 179, 21, 195, 179, 21, 199, 179, 21, 196, 179, 21, 201, 38, 
-    84, 21, 210, 86, 38, 84, 21, 111, 38, 84, 21, 105, 38, 84, 21, 158, 38, 
-    84, 21, 161, 38, 84, 21, 190, 38, 84, 21, 195, 38, 84, 21, 199, 38, 84, 
-    21, 196, 38, 84, 21, 201, 38, 84, 1, 61, 38, 84, 1, 69, 38, 84, 1, 176, 
-    38, 84, 1, 198, 38, 84, 1, 191, 38, 84, 1, 205, 38, 84, 1, 213, 176, 38, 
-    84, 5, 253, 183, 84, 5, 219, 19, 251, 7, 84, 5, 251, 8, 213, 152, 84, 5, 
-    52, 251, 8, 213, 152, 84, 5, 251, 8, 105, 84, 5, 251, 8, 158, 84, 5, 251, 
-    8, 253, 183, 84, 5, 224, 127, 84, 243, 107, 244, 111, 84, 250, 246, 84, 
-    241, 237, 234, 194, 232, 248, 21, 210, 86, 234, 194, 232, 248, 21, 111, 
-    234, 194, 232, 248, 21, 105, 234, 194, 232, 248, 21, 158, 234, 194, 232, 
-    248, 21, 161, 234, 194, 232, 248, 21, 190, 234, 194, 232, 248, 21, 195, 
-    234, 194, 232, 248, 21, 199, 234, 194, 232, 248, 21, 196, 234, 194, 232, 
-    248, 21, 201, 234, 194, 232, 248, 1, 176, 234, 194, 232, 248, 1, 234, 
-    138, 234, 194, 232, 248, 1, 243, 142, 234, 194, 232, 248, 1, 229, 82, 
-    234, 194, 232, 248, 1, 206, 234, 194, 232, 248, 1, 220, 104, 234, 194, 
-    232, 248, 1, 210, 116, 234, 194, 232, 248, 1, 227, 169, 234, 194, 232, 
-    248, 1, 217, 106, 234, 194, 232, 248, 1, 240, 233, 234, 194, 232, 248, 1, 
-    198, 234, 194, 232, 248, 1, 191, 234, 194, 232, 248, 1, 225, 150, 234, 
-    194, 232, 248, 1, 186, 234, 194, 232, 248, 1, 248, 229, 234, 194, 232, 
-    248, 1, 252, 199, 234, 194, 232, 248, 1, 205, 234, 194, 232, 248, 1, 192, 
-    234, 194, 232, 248, 1, 233, 141, 234, 194, 232, 248, 1, 212, 65, 234, 
-    194, 232, 248, 1, 216, 209, 234, 194, 232, 248, 1, 162, 234, 194, 232, 
-    248, 1, 214, 27, 234, 194, 232, 248, 1, 251, 41, 234, 194, 232, 248, 1, 
-    61, 234, 194, 232, 248, 1, 226, 238, 234, 194, 232, 248, 1, 74, 234, 194, 
-    232, 248, 1, 226, 187, 234, 194, 232, 248, 25, 214, 214, 234, 194, 232, 
-    248, 25, 76, 234, 194, 232, 248, 25, 69, 234, 194, 232, 248, 25, 245, 
-    217, 234, 194, 232, 248, 25, 78, 234, 194, 232, 248, 138, 225, 33, 234, 
-    194, 232, 248, 138, 251, 20, 234, 194, 232, 248, 138, 251, 21, 225, 33, 
-    234, 194, 232, 248, 5, 249, 85, 234, 194, 232, 248, 5, 219, 201, 223, 96, 
-    1, 176, 223, 96, 1, 243, 142, 223, 96, 1, 229, 82, 223, 96, 1, 217, 106, 
-    223, 96, 1, 248, 229, 223, 96, 1, 198, 223, 96, 1, 191, 223, 96, 1, 252, 
-    199, 223, 96, 1, 186, 223, 96, 1, 251, 41, 223, 96, 1, 235, 147, 223, 96, 
-    1, 227, 169, 223, 96, 1, 206, 223, 96, 1, 205, 223, 96, 1, 233, 141, 223, 
-    96, 1, 192, 223, 96, 1, 212, 65, 223, 96, 1, 162, 223, 96, 1, 231, 129, 
-    223, 96, 1, 229, 61, 223, 96, 1, 229, 153, 223, 96, 1, 227, 139, 223, 96, 
-    1, 61, 223, 96, 25, 5, 74, 223, 96, 25, 5, 69, 223, 96, 25, 5, 76, 223, 
-    96, 25, 5, 254, 210, 223, 96, 25, 5, 78, 223, 96, 25, 5, 253, 200, 223, 
-    96, 25, 5, 245, 63, 223, 96, 25, 5, 245, 241, 223, 96, 117, 5, 229, 84, 
-    223, 96, 117, 5, 230, 30, 223, 96, 117, 5, 153, 223, 96, 117, 5, 242, 67, 
-    223, 96, 213, 152, 223, 96, 221, 175, 79, 24, 100, 216, 98, 24, 100, 216, 
-    97, 24, 100, 216, 95, 24, 100, 216, 100, 24, 100, 223, 24, 24, 100, 223, 
-    8, 24, 100, 223, 3, 24, 100, 223, 5, 24, 100, 223, 21, 24, 100, 223, 14, 
-    24, 100, 223, 7, 24, 100, 223, 26, 24, 100, 223, 9, 24, 100, 223, 28, 24, 
-    100, 223, 25, 24, 100, 230, 218, 24, 100, 230, 209, 24, 100, 230, 212, 
-    24, 100, 225, 83, 24, 100, 225, 94, 24, 100, 225, 95, 24, 100, 218, 209, 
-    24, 100, 236, 53, 24, 100, 236, 60, 24, 100, 218, 220, 24, 100, 218, 207, 
-    24, 100, 225, 133, 24, 100, 241, 174, 24, 100, 218, 204, 155, 5, 226, 31, 
-    155, 5, 250, 195, 155, 5, 233, 72, 155, 5, 211, 243, 155, 1, 61, 155, 1, 
-    240, 161, 234, 197, 155, 1, 74, 155, 1, 236, 40, 155, 1, 69, 155, 1, 226, 
-    94, 250, 171, 155, 1, 229, 83, 233, 34, 155, 1, 229, 83, 233, 35, 223, 
-    145, 155, 1, 76, 155, 1, 254, 210, 155, 1, 78, 155, 1, 176, 155, 1, 235, 
-    19, 221, 230, 155, 1, 235, 19, 230, 71, 155, 1, 243, 142, 155, 1, 243, 
-    143, 230, 71, 155, 1, 229, 82, 155, 1, 251, 41, 155, 1, 251, 42, 230, 71, 
-    155, 1, 235, 147, 155, 1, 227, 170, 230, 71, 155, 1, 235, 148, 231, 212, 
-    155, 1, 227, 169, 155, 1, 215, 157, 155, 1, 215, 158, 231, 212, 155, 1, 
-    248, 143, 155, 1, 248, 144, 231, 212, 155, 1, 229, 234, 230, 71, 155, 1, 
-    217, 106, 155, 1, 217, 107, 230, 71, 155, 1, 248, 229, 155, 1, 248, 230, 
-    231, 212, 155, 1, 198, 155, 1, 191, 155, 1, 226, 94, 230, 71, 155, 1, 
-    252, 199, 155, 1, 252, 200, 230, 71, 155, 1, 186, 155, 1, 192, 155, 1, 
-    205, 155, 1, 223, 191, 254, 219, 155, 1, 233, 141, 155, 1, 212, 65, 155, 
-    1, 222, 36, 230, 71, 155, 1, 222, 36, 231, 212, 155, 1, 206, 155, 1, 162, 
-    155, 5, 250, 196, 216, 251, 155, 25, 5, 217, 48, 155, 25, 5, 216, 36, 
-    155, 25, 5, 211, 190, 155, 25, 5, 211, 191, 231, 74, 155, 25, 5, 218, 48, 
-    155, 25, 5, 218, 49, 231, 62, 155, 25, 5, 217, 66, 155, 25, 5, 247, 202, 
-    230, 70, 155, 25, 5, 225, 187, 155, 117, 5, 234, 164, 155, 117, 5, 225, 
-    199, 155, 117, 5, 251, 27, 155, 226, 44, 155, 43, 223, 72, 155, 44, 223, 
-    72, 155, 226, 83, 254, 125, 155, 226, 83, 231, 229, 155, 226, 83, 232, 
-    93, 155, 226, 83, 211, 238, 155, 226, 83, 226, 45, 155, 226, 83, 232, 
-    211, 155, 226, 83, 232, 87, 155, 226, 83, 255, 2, 155, 226, 83, 255, 3, 
-    255, 2, 155, 226, 83, 225, 54, 155, 215, 94, 226, 83, 225, 54, 155, 226, 
-    40, 155, 21, 210, 86, 155, 21, 111, 155, 21, 105, 155, 21, 158, 155, 21, 
-    161, 155, 21, 190, 155, 21, 195, 155, 21, 199, 155, 21, 196, 155, 21, 
-    201, 155, 226, 83, 216, 70, 215, 107, 155, 226, 83, 235, 174, 172, 1, 61, 
-    172, 1, 74, 172, 1, 69, 172, 1, 76, 172, 1, 254, 210, 172, 1, 78, 172, 1, 
-    176, 172, 1, 234, 138, 172, 1, 243, 142, 172, 1, 243, 0, 172, 1, 228, 
-    250, 172, 1, 229, 82, 172, 1, 250, 165, 172, 1, 250, 120, 172, 1, 235, 
-    147, 172, 1, 235, 120, 172, 1, 228, 240, 172, 1, 228, 242, 172, 1, 228, 
-    241, 172, 1, 217, 106, 172, 1, 216, 209, 172, 1, 248, 229, 172, 1, 248, 
-    33, 172, 1, 227, 211, 172, 1, 198, 172, 1, 248, 143, 172, 1, 191, 172, 1, 
-    224, 223, 172, 1, 225, 150, 172, 1, 252, 199, 172, 1, 252, 26, 172, 1, 
-    230, 100, 172, 1, 186, 172, 1, 252, 119, 172, 1, 192, 172, 1, 205, 172, 
-    1, 233, 141, 172, 1, 214, 27, 172, 1, 218, 225, 172, 1, 206, 172, 1, 162, 
-    172, 25, 5, 255, 82, 172, 25, 5, 74, 172, 25, 5, 236, 40, 172, 25, 5, 
-    245, 203, 172, 25, 5, 69, 172, 25, 5, 226, 238, 172, 25, 5, 78, 172, 25, 
-    5, 254, 210, 172, 25, 5, 253, 200, 172, 25, 5, 214, 214, 172, 117, 5, 
-    192, 172, 117, 5, 205, 172, 117, 5, 233, 141, 172, 117, 5, 212, 65, 172, 
-    1, 40, 235, 29, 172, 1, 40, 243, 209, 172, 1, 40, 229, 84, 172, 117, 5, 
-    40, 229, 84, 172, 1, 40, 250, 166, 172, 1, 40, 217, 153, 172, 1, 40, 230, 
-    30, 172, 1, 40, 226, 109, 172, 1, 40, 211, 117, 172, 1, 40, 153, 172, 1, 
-    40, 156, 172, 1, 40, 218, 228, 172, 117, 5, 40, 194, 172, 117, 5, 40, 
-    242, 67, 172, 21, 210, 86, 172, 21, 111, 172, 21, 105, 172, 21, 158, 172, 
-    21, 161, 172, 21, 190, 172, 21, 195, 172, 21, 199, 172, 21, 196, 172, 21, 
-    201, 172, 224, 144, 218, 253, 172, 224, 144, 248, 186, 172, 224, 144, 52, 
-    248, 186, 172, 224, 144, 215, 212, 248, 186, 68, 1, 234, 132, 243, 142, 
-    68, 1, 234, 132, 251, 41, 68, 1, 234, 132, 250, 165, 68, 1, 234, 132, 
-    235, 147, 68, 1, 234, 132, 235, 120, 68, 1, 234, 132, 227, 169, 68, 1, 
-    234, 132, 215, 157, 68, 1, 234, 132, 215, 145, 68, 1, 234, 132, 248, 143, 
-    68, 1, 234, 132, 248, 127, 68, 1, 234, 132, 248, 33, 68, 1, 234, 132, 
-    198, 68, 1, 234, 132, 206, 68, 1, 234, 132, 162, 68, 1, 234, 132, 241, 
-    196, 68, 1, 234, 132, 244, 204, 68, 58, 1, 234, 132, 223, 112, 68, 1, 
-    234, 132, 211, 165, 68, 1, 234, 132, 210, 116, 68, 1, 234, 132, 205, 68, 
-    232, 151, 234, 132, 227, 1, 68, 232, 151, 234, 132, 224, 46, 68, 232, 
-    151, 234, 132, 241, 128, 68, 16, 254, 199, 245, 38, 68, 16, 254, 199, 
-    111, 68, 16, 254, 199, 105, 68, 1, 254, 199, 205, 68, 5, 226, 27, 234, 
-    219, 216, 31, 39, 208, 1, 121, 234, 34, 39, 208, 1, 125, 234, 34, 39, 
-    208, 1, 121, 234, 111, 39, 208, 1, 125, 234, 111, 39, 208, 1, 121, 234, 
-    120, 39, 208, 1, 125, 234, 120, 39, 208, 1, 121, 242, 181, 39, 208, 1, 
-    125, 242, 181, 39, 208, 1, 121, 229, 9, 39, 208, 1, 125, 229, 9, 39, 208, 
-    1, 121, 249, 246, 39, 208, 1, 125, 249, 246, 39, 208, 1, 121, 250, 94, 
-    39, 208, 1, 125, 250, 94, 39, 208, 1, 121, 219, 60, 39, 208, 1, 125, 219, 
-    60, 39, 208, 1, 121, 227, 138, 39, 208, 1, 125, 227, 138, 39, 208, 1, 
-    121, 247, 153, 39, 208, 1, 125, 247, 153, 39, 208, 1, 121, 112, 39, 208, 
-    1, 125, 112, 39, 208, 1, 121, 216, 157, 39, 208, 1, 125, 216, 157, 39, 
-    208, 1, 121, 228, 79, 39, 208, 1, 125, 228, 79, 39, 208, 1, 121, 251, 
-    213, 39, 208, 1, 125, 251, 213, 39, 208, 1, 121, 225, 19, 39, 208, 1, 
-    125, 225, 19, 39, 208, 1, 121, 225, 124, 39, 208, 1, 125, 225, 124, 39, 
-    208, 1, 121, 244, 51, 39, 208, 1, 125, 244, 51, 39, 208, 1, 121, 230, 
-    166, 39, 208, 1, 125, 230, 166, 39, 208, 1, 121, 210, 244, 39, 208, 1, 
-    125, 210, 244, 39, 208, 1, 121, 222, 213, 39, 208, 1, 125, 222, 213, 39, 
-    208, 1, 121, 232, 162, 39, 208, 1, 125, 232, 162, 39, 208, 1, 121, 213, 
-    138, 39, 208, 1, 125, 213, 138, 39, 208, 1, 121, 241, 75, 39, 208, 1, 
-    125, 241, 75, 39, 208, 1, 121, 78, 39, 208, 1, 125, 78, 39, 208, 231, 
-    209, 234, 236, 39, 208, 25, 255, 82, 39, 208, 25, 74, 39, 208, 25, 214, 
-    214, 39, 208, 25, 69, 39, 208, 25, 76, 39, 208, 25, 78, 39, 208, 231, 
-    209, 234, 114, 39, 208, 25, 240, 126, 39, 208, 25, 214, 213, 39, 208, 25, 
-    214, 229, 39, 208, 25, 253, 198, 39, 208, 25, 253, 175, 39, 208, 25, 254, 
-    131, 39, 208, 25, 254, 144, 39, 208, 138, 231, 209, 245, 188, 39, 208, 
-    138, 231, 209, 227, 210, 39, 208, 138, 231, 209, 216, 157, 39, 208, 138, 
-    231, 209, 219, 44, 39, 208, 16, 234, 19, 39, 208, 16, 227, 210, 39, 208, 
-    16, 221, 255, 39, 208, 16, 241, 76, 241, 71, 39, 208, 16, 234, 28, 234, 
-    27, 188, 187, 1, 76, 188, 187, 1, 78, 188, 187, 1, 250, 165, 188, 187, 1, 
-    227, 169, 188, 187, 1, 215, 157, 188, 187, 1, 215, 145, 188, 187, 1, 248, 
-    143, 188, 187, 1, 248, 127, 188, 187, 1, 228, 115, 188, 187, 1, 220, 104, 
-    188, 187, 1, 218, 225, 188, 187, 25, 5, 236, 40, 188, 187, 25, 5, 214, 
-    118, 188, 187, 25, 5, 255, 46, 188, 187, 25, 5, 253, 200, 188, 187, 25, 
-    5, 255, 39, 188, 187, 250, 133, 188, 187, 254, 215, 234, 104, 188, 187, 
-    254, 111, 188, 187, 3, 223, 77, 79, 188, 187, 211, 209, 223, 77, 79, 188, 
-    187, 25, 5, 213, 147, 188, 187, 213, 152, 29, 3, 215, 138, 29, 3, 215, 
-    141, 29, 3, 215, 144, 29, 3, 215, 142, 29, 3, 215, 143, 29, 3, 215, 140, 
-    29, 3, 248, 121, 29, 3, 248, 123, 29, 3, 248, 126, 29, 3, 248, 124, 29, 
-    3, 248, 125, 29, 3, 248, 122, 29, 3, 246, 36, 29, 3, 246, 39, 29, 3, 246, 
-    45, 29, 3, 246, 43, 29, 3, 246, 44, 29, 3, 246, 37, 29, 3, 250, 212, 29, 
-    3, 250, 206, 29, 3, 250, 208, 29, 3, 250, 211, 29, 3, 250, 209, 29, 3, 
-    250, 210, 29, 3, 250, 207, 29, 3, 252, 119, 29, 3, 252, 98, 29, 3, 252, 
-    110, 29, 3, 252, 118, 29, 3, 252, 113, 29, 3, 252, 114, 29, 3, 252, 102, 
-    188, 187, 1, 234, 25, 188, 187, 1, 221, 255, 188, 187, 1, 233, 115, 188, 
-    187, 1, 230, 177, 188, 187, 1, 191, 188, 187, 1, 198, 188, 187, 1, 250, 
-    110, 188, 187, 1, 216, 91, 188, 187, 1, 234, 107, 188, 187, 1, 228, 255, 
-    188, 187, 1, 216, 151, 188, 187, 1, 212, 60, 188, 187, 1, 211, 69, 188, 
-    187, 1, 240, 223, 188, 187, 1, 214, 190, 188, 187, 1, 74, 188, 187, 1, 
-    225, 145, 188, 187, 1, 253, 210, 188, 187, 1, 242, 174, 188, 187, 1, 235, 
-    118, 188, 187, 1, 223, 169, 188, 187, 1, 252, 199, 188, 187, 1, 235, 106, 
-    188, 187, 1, 247, 227, 188, 187, 1, 242, 228, 188, 187, 1, 248, 13, 188, 
-    187, 1, 252, 24, 188, 187, 1, 234, 26, 232, 134, 188, 187, 1, 233, 116, 
-    232, 134, 188, 187, 1, 230, 178, 232, 134, 188, 187, 1, 226, 94, 232, 
-    134, 188, 187, 1, 229, 234, 232, 134, 188, 187, 1, 216, 92, 232, 134, 
-    188, 187, 1, 229, 0, 232, 134, 188, 187, 1, 240, 161, 232, 134, 188, 187, 
-    25, 5, 226, 199, 188, 187, 25, 5, 236, 4, 188, 187, 25, 5, 254, 130, 188, 
-    187, 25, 5, 211, 38, 188, 187, 25, 5, 219, 34, 188, 187, 25, 5, 214, 187, 
-    188, 187, 25, 5, 250, 131, 188, 187, 25, 5, 227, 195, 188, 187, 250, 132, 
-    188, 187, 232, 90, 235, 156, 188, 187, 254, 54, 235, 156, 188, 187, 21, 
-    210, 86, 188, 187, 21, 111, 188, 187, 21, 105, 188, 187, 21, 158, 188, 
-    187, 21, 161, 188, 187, 21, 190, 188, 187, 21, 195, 188, 187, 21, 199, 
-    188, 187, 21, 196, 188, 187, 21, 201, 24, 143, 227, 81, 24, 143, 227, 86, 
-    24, 143, 210, 243, 24, 143, 210, 242, 24, 143, 210, 241, 24, 143, 215, 
-    23, 24, 143, 215, 26, 24, 143, 210, 210, 24, 143, 210, 206, 24, 143, 245, 
-    62, 24, 143, 245, 60, 24, 143, 245, 61, 24, 143, 245, 58, 24, 143, 240, 
-    151, 24, 143, 240, 150, 24, 143, 240, 148, 24, 143, 240, 149, 24, 143, 
-    240, 154, 24, 143, 240, 147, 24, 143, 240, 146, 24, 143, 240, 156, 24, 
-    143, 254, 41, 24, 143, 254, 40, 24, 90, 228, 224, 24, 90, 228, 230, 24, 
-    90, 218, 206, 24, 90, 218, 205, 24, 90, 216, 97, 24, 90, 216, 95, 24, 90, 
-    216, 94, 24, 90, 216, 100, 24, 90, 216, 101, 24, 90, 216, 93, 24, 90, 
-    223, 8, 24, 90, 223, 23, 24, 90, 218, 212, 24, 90, 223, 20, 24, 90, 223, 
-    10, 24, 90, 223, 12, 24, 90, 222, 255, 24, 90, 223, 0, 24, 90, 234, 224, 
-    24, 90, 230, 217, 24, 90, 230, 211, 24, 90, 218, 216, 24, 90, 230, 214, 
-    24, 90, 230, 220, 24, 90, 225, 79, 24, 90, 225, 88, 24, 90, 225, 92, 24, 
-    90, 218, 214, 24, 90, 225, 82, 24, 90, 225, 96, 24, 90, 225, 97, 24, 90, 
-    219, 142, 24, 90, 219, 145, 24, 90, 218, 210, 24, 90, 218, 208, 24, 90, 
-    219, 140, 24, 90, 219, 148, 24, 90, 219, 149, 24, 90, 219, 134, 24, 90, 
-    219, 147, 24, 90, 226, 34, 24, 90, 226, 35, 24, 90, 211, 24, 24, 90, 211, 
-    25, 24, 90, 250, 52, 24, 90, 250, 51, 24, 90, 218, 221, 24, 90, 225, 131, 
-    24, 90, 225, 130, 10, 14, 238, 31, 10, 14, 238, 30, 10, 14, 238, 29, 10, 
-    14, 238, 28, 10, 14, 238, 27, 10, 14, 238, 26, 10, 14, 238, 25, 10, 14, 
-    238, 24, 10, 14, 238, 23, 10, 14, 238, 22, 10, 14, 238, 21, 10, 14, 238, 
-    20, 10, 14, 238, 19, 10, 14, 238, 18, 10, 14, 238, 17, 10, 14, 238, 16, 
-    10, 14, 238, 15, 10, 14, 238, 14, 10, 14, 238, 13, 10, 14, 238, 12, 10, 
-    14, 238, 11, 10, 14, 238, 10, 10, 14, 238, 9, 10, 14, 238, 8, 10, 14, 
-    238, 7, 10, 14, 238, 6, 10, 14, 238, 5, 10, 14, 238, 4, 10, 14, 238, 3, 
-    10, 14, 238, 2, 10, 14, 238, 1, 10, 14, 238, 0, 10, 14, 237, 255, 10, 14, 
-    237, 254, 10, 14, 237, 253, 10, 14, 237, 252, 10, 14, 237, 251, 10, 14, 
-    237, 250, 10, 14, 237, 249, 10, 14, 237, 248, 10, 14, 237, 247, 10, 14, 
-    237, 246, 10, 14, 237, 245, 10, 14, 237, 244, 10, 14, 237, 243, 10, 14, 
-    237, 242, 10, 14, 237, 241, 10, 14, 237, 240, 10, 14, 237, 239, 10, 14, 
-    237, 238, 10, 14, 237, 237, 10, 14, 237, 236, 10, 14, 237, 235, 10, 14, 
-    237, 234, 10, 14, 237, 233, 10, 14, 237, 232, 10, 14, 237, 231, 10, 14, 
-    237, 230, 10, 14, 237, 229, 10, 14, 237, 228, 10, 14, 237, 227, 10, 14, 
-    237, 226, 10, 14, 237, 225, 10, 14, 237, 224, 10, 14, 237, 223, 10, 14, 
-    237, 222, 10, 14, 237, 221, 10, 14, 237, 220, 10, 14, 237, 219, 10, 14, 
-    237, 218, 10, 14, 237, 217, 10, 14, 237, 216, 10, 14, 237, 215, 10, 14, 
-    237, 214, 10, 14, 237, 213, 10, 14, 237, 212, 10, 14, 237, 211, 10, 14, 
-    237, 210, 10, 14, 237, 209, 10, 14, 237, 208, 10, 14, 237, 207, 10, 14, 
-    237, 206, 10, 14, 237, 205, 10, 14, 237, 204, 10, 14, 237, 203, 10, 14, 
-    237, 202, 10, 14, 237, 201, 10, 14, 237, 200, 10, 14, 237, 199, 10, 14, 
-    237, 198, 10, 14, 237, 197, 10, 14, 237, 196, 10, 14, 237, 195, 10, 14, 
-    237, 194, 10, 14, 237, 193, 10, 14, 237, 192, 10, 14, 237, 191, 10, 14, 
-    237, 190, 10, 14, 237, 189, 10, 14, 237, 188, 10, 14, 237, 187, 10, 14, 
-    237, 186, 10, 14, 237, 185, 10, 14, 237, 184, 10, 14, 237, 183, 10, 14, 
-    237, 182, 10, 14, 237, 181, 10, 14, 237, 180, 10, 14, 237, 179, 10, 14, 
-    237, 178, 10, 14, 237, 177, 10, 14, 237, 176, 10, 14, 237, 175, 10, 14, 
-    237, 174, 10, 14, 237, 173, 10, 14, 237, 172, 10, 14, 237, 171, 10, 14, 
-    237, 170, 10, 14, 237, 169, 10, 14, 237, 168, 10, 14, 237, 167, 10, 14, 
-    237, 166, 10, 14, 237, 165, 10, 14, 237, 164, 10, 14, 237, 163, 10, 14, 
-    237, 162, 10, 14, 237, 161, 10, 14, 237, 160, 10, 14, 237, 159, 10, 14, 
-    237, 158, 10, 14, 237, 157, 10, 14, 237, 156, 10, 14, 237, 155, 10, 14, 
-    237, 154, 10, 14, 237, 153, 10, 14, 237, 152, 10, 14, 237, 151, 10, 14, 
-    237, 150, 10, 14, 237, 149, 10, 14, 237, 148, 10, 14, 237, 147, 10, 14, 
-    237, 146, 10, 14, 237, 145, 10, 14, 237, 144, 10, 14, 237, 143, 10, 14, 
-    237, 142, 10, 14, 237, 141, 10, 14, 237, 140, 10, 14, 237, 139, 10, 14, 
-    237, 138, 10, 14, 237, 137, 10, 14, 237, 136, 10, 14, 237, 135, 10, 14, 
-    237, 134, 10, 14, 237, 133, 10, 14, 237, 132, 10, 14, 237, 131, 10, 14, 
-    237, 130, 10, 14, 237, 129, 10, 14, 237, 128, 10, 14, 237, 127, 10, 14, 
-    237, 126, 10, 14, 237, 125, 10, 14, 237, 124, 10, 14, 237, 123, 10, 14, 
-    237, 122, 10, 14, 237, 121, 10, 14, 237, 120, 10, 14, 237, 119, 10, 14, 
-    237, 118, 10, 14, 237, 117, 10, 14, 237, 116, 10, 14, 237, 115, 10, 14, 
-    237, 114, 10, 14, 237, 113, 10, 14, 237, 112, 10, 14, 237, 111, 10, 14, 
-    237, 110, 10, 14, 237, 109, 10, 14, 237, 108, 10, 14, 237, 107, 10, 14, 
-    237, 106, 10, 14, 237, 105, 10, 14, 237, 104, 10, 14, 237, 103, 10, 14, 
-    237, 102, 10, 14, 237, 101, 10, 14, 237, 100, 10, 14, 237, 99, 10, 14, 
-    237, 98, 10, 14, 237, 97, 10, 14, 237, 96, 10, 14, 237, 95, 10, 14, 237, 
-    94, 10, 14, 237, 93, 10, 14, 237, 92, 10, 14, 237, 91, 10, 14, 237, 90, 
-    10, 14, 237, 89, 10, 14, 237, 88, 10, 14, 237, 87, 10, 14, 237, 86, 10, 
-    14, 237, 85, 10, 14, 237, 84, 10, 14, 237, 83, 10, 14, 237, 82, 10, 14, 
-    237, 81, 10, 14, 237, 80, 10, 14, 237, 79, 10, 14, 237, 78, 10, 14, 237, 
-    77, 10, 14, 237, 76, 10, 14, 237, 75, 10, 14, 237, 74, 10, 14, 237, 73, 
-    10, 14, 237, 72, 10, 14, 237, 71, 10, 14, 237, 70, 10, 14, 237, 69, 10, 
-    14, 237, 68, 10, 14, 237, 67, 10, 14, 237, 66, 10, 14, 237, 65, 10, 14, 
-    237, 64, 10, 14, 237, 63, 10, 14, 237, 62, 10, 14, 237, 61, 10, 14, 237, 
-    60, 10, 14, 237, 59, 10, 14, 237, 58, 10, 14, 237, 57, 10, 14, 237, 56, 
-    10, 14, 237, 55, 10, 14, 237, 54, 10, 14, 237, 53, 10, 14, 237, 52, 10, 
-    14, 237, 51, 10, 14, 237, 50, 10, 14, 237, 49, 10, 14, 237, 48, 10, 14, 
-    237, 47, 10, 14, 237, 46, 10, 14, 237, 45, 10, 14, 237, 44, 10, 14, 237, 
-    43, 10, 14, 237, 42, 10, 14, 237, 41, 10, 14, 237, 40, 10, 14, 237, 39, 
-    10, 14, 237, 38, 10, 14, 237, 37, 10, 14, 237, 36, 10, 14, 237, 35, 10, 
-    14, 237, 34, 10, 14, 237, 33, 10, 14, 237, 32, 10, 14, 237, 31, 10, 14, 
-    237, 30, 10, 14, 237, 29, 10, 14, 237, 28, 10, 14, 237, 27, 10, 14, 237, 
-    26, 10, 14, 237, 25, 10, 14, 237, 24, 10, 14, 237, 23, 10, 14, 237, 22, 
-    10, 14, 237, 21, 10, 14, 237, 20, 10, 14, 237, 19, 10, 14, 237, 18, 10, 
-    14, 237, 17, 10, 14, 237, 16, 10, 14, 237, 15, 10, 14, 237, 14, 10, 14, 
-    237, 13, 10, 14, 237, 12, 10, 14, 237, 11, 10, 14, 237, 10, 10, 14, 237, 
-    9, 10, 14, 237, 8, 10, 14, 237, 7, 10, 14, 237, 6, 10, 14, 237, 5, 10, 
-    14, 237, 4, 10, 14, 237, 3, 10, 14, 237, 2, 10, 14, 237, 1, 10, 14, 237, 
-    0, 10, 14, 236, 255, 10, 14, 236, 254, 10, 14, 236, 253, 10, 14, 236, 
-    252, 10, 14, 236, 251, 10, 14, 236, 250, 10, 14, 236, 249, 10, 14, 236, 
-    248, 10, 14, 236, 247, 10, 14, 236, 246, 10, 14, 236, 245, 10, 14, 236, 
-    244, 10, 14, 236, 243, 10, 14, 236, 242, 10, 14, 236, 241, 10, 14, 236, 
-    240, 10, 14, 236, 239, 10, 14, 236, 238, 10, 14, 236, 237, 10, 14, 236, 
-    236, 10, 14, 236, 235, 10, 14, 236, 234, 10, 14, 236, 233, 10, 14, 236, 
-    232, 10, 14, 236, 231, 10, 14, 236, 230, 10, 14, 236, 229, 10, 14, 236, 
-    228, 10, 14, 236, 227, 10, 14, 236, 226, 10, 14, 236, 225, 10, 14, 236, 
-    224, 10, 14, 236, 223, 10, 14, 236, 222, 10, 14, 236, 221, 10, 14, 236, 
-    220, 10, 14, 236, 219, 10, 14, 236, 218, 10, 14, 236, 217, 10, 14, 236, 
-    216, 10, 14, 236, 215, 10, 14, 236, 214, 10, 14, 236, 213, 10, 14, 236, 
-    212, 10, 14, 236, 211, 10, 14, 236, 210, 10, 14, 236, 209, 10, 14, 236, 
-    208, 10, 14, 236, 207, 10, 14, 236, 206, 10, 14, 236, 205, 10, 14, 236, 
-    204, 10, 14, 236, 203, 10, 14, 236, 202, 10, 14, 236, 201, 10, 14, 236, 
-    200, 10, 14, 236, 199, 10, 14, 236, 198, 10, 14, 236, 197, 10, 14, 236, 
-    196, 10, 14, 236, 195, 10, 14, 236, 194, 10, 14, 236, 193, 10, 14, 236, 
-    192, 10, 14, 236, 191, 10, 14, 236, 190, 10, 14, 236, 189, 10, 14, 236, 
-    188, 10, 14, 236, 187, 10, 14, 236, 186, 10, 14, 236, 185, 10, 14, 236, 
-    184, 10, 14, 236, 183, 10, 14, 236, 182, 10, 14, 236, 181, 10, 14, 236, 
-    180, 10, 14, 236, 179, 10, 14, 236, 178, 10, 14, 236, 177, 10, 14, 236, 
-    176, 10, 14, 236, 175, 10, 14, 236, 174, 10, 14, 236, 173, 10, 14, 236, 
-    172, 10, 14, 236, 171, 10, 14, 236, 170, 10, 14, 236, 169, 10, 14, 236, 
-    168, 10, 14, 236, 167, 10, 14, 236, 166, 10, 14, 236, 165, 10, 14, 236, 
-    164, 10, 14, 236, 163, 10, 14, 236, 162, 10, 14, 236, 161, 10, 14, 236, 
-    160, 10, 14, 236, 159, 10, 14, 236, 158, 10, 14, 236, 157, 10, 14, 236, 
-    156, 10, 14, 236, 155, 10, 14, 236, 154, 10, 14, 236, 153, 10, 14, 236, 
-    152, 10, 14, 236, 151, 10, 14, 236, 150, 10, 14, 236, 149, 10, 14, 236, 
-    148, 10, 14, 236, 147, 10, 14, 236, 146, 10, 14, 236, 145, 10, 14, 236, 
-    144, 10, 14, 236, 143, 10, 14, 236, 142, 10, 14, 236, 141, 10, 14, 236, 
-    140, 10, 14, 236, 139, 10, 14, 236, 138, 10, 14, 236, 137, 10, 14, 236, 
-    136, 10, 14, 236, 135, 10, 14, 236, 134, 10, 14, 236, 133, 10, 14, 236, 
-    132, 10, 14, 236, 131, 10, 14, 236, 130, 10, 14, 236, 129, 10, 14, 236, 
-    128, 10, 14, 236, 127, 10, 14, 236, 126, 10, 14, 236, 125, 10, 14, 236, 
-    124, 10, 14, 236, 123, 10, 14, 236, 122, 10, 14, 236, 121, 10, 14, 236, 
-    120, 10, 14, 236, 119, 10, 14, 236, 118, 10, 14, 236, 117, 10, 14, 236, 
-    116, 10, 14, 236, 115, 10, 14, 236, 114, 10, 14, 236, 113, 10, 14, 236, 
-    112, 10, 14, 236, 111, 10, 14, 236, 110, 10, 14, 236, 109, 10, 14, 236, 
-    108, 10, 14, 236, 107, 10, 14, 236, 106, 10, 14, 236, 105, 10, 14, 236, 
-    104, 10, 14, 236, 103, 10, 14, 236, 102, 10, 14, 236, 101, 10, 14, 236, 
-    100, 10, 14, 236, 99, 10, 14, 236, 98, 10, 14, 236, 97, 10, 14, 236, 96, 
-    10, 14, 236, 95, 10, 14, 236, 94, 10, 14, 236, 93, 10, 14, 236, 92, 10, 
-    14, 236, 91, 10, 14, 236, 90, 10, 14, 236, 89, 10, 14, 236, 88, 10, 14, 
-    236, 87, 10, 14, 236, 86, 10, 14, 236, 85, 10, 14, 236, 84, 10, 14, 236, 
-    83, 10, 14, 236, 82, 10, 14, 236, 81, 10, 14, 236, 80, 10, 14, 236, 79, 
-    10, 14, 236, 78, 10, 14, 236, 77, 10, 14, 236, 76, 10, 14, 236, 75, 10, 
-    14, 236, 74, 10, 14, 236, 73, 10, 14, 236, 72, 7, 4, 27, 244, 133, 7, 4, 
-    27, 244, 129, 7, 4, 27, 244, 84, 7, 4, 27, 244, 132, 7, 4, 27, 244, 131, 
-    7, 4, 27, 200, 222, 94, 217, 153, 7, 4, 27, 218, 170, 150, 4, 27, 231, 
-    64, 228, 44, 150, 4, 27, 231, 64, 245, 221, 150, 4, 27, 231, 64, 235, 
-    234, 150, 4, 27, 213, 180, 228, 44, 150, 4, 27, 231, 64, 211, 160, 94, 1, 
-    210, 234, 2, 241, 165, 94, 225, 14, 235, 56, 214, 11, 94, 27, 211, 6, 
-    210, 234, 210, 234, 225, 243, 94, 1, 254, 147, 253, 170, 94, 1, 211, 247, 
-    254, 179, 94, 1, 211, 247, 248, 197, 94, 1, 211, 247, 241, 245, 94, 1, 
-    211, 247, 235, 0, 94, 1, 211, 247, 233, 100, 94, 1, 211, 247, 40, 231, 
-    70, 94, 1, 211, 247, 223, 70, 94, 1, 211, 247, 217, 39, 94, 1, 254, 147, 
-    96, 50, 94, 1, 220, 23, 2, 220, 23, 247, 128, 94, 1, 220, 23, 2, 219, 
-    161, 247, 128, 94, 1, 220, 23, 2, 248, 216, 22, 220, 23, 247, 128, 94, 1, 
-    220, 23, 2, 248, 216, 22, 219, 161, 247, 128, 94, 1, 109, 2, 225, 243, 
-    94, 1, 109, 2, 224, 79, 94, 1, 109, 2, 231, 176, 94, 1, 252, 37, 2, 248, 
-    215, 94, 1, 242, 209, 2, 248, 215, 94, 1, 248, 198, 2, 248, 215, 94, 1, 
-    241, 246, 2, 231, 176, 94, 1, 214, 4, 2, 248, 215, 94, 1, 210, 98, 2, 
-    248, 215, 94, 1, 216, 232, 2, 248, 215, 94, 1, 210, 234, 2, 248, 215, 94, 
-    1, 40, 235, 1, 2, 248, 215, 94, 1, 235, 1, 2, 248, 215, 94, 1, 233, 101, 
-    2, 248, 215, 94, 1, 231, 71, 2, 248, 215, 94, 1, 227, 199, 2, 248, 215, 
-    94, 1, 221, 252, 2, 248, 215, 94, 1, 40, 225, 225, 2, 248, 215, 94, 1, 
-    225, 225, 2, 248, 215, 94, 1, 215, 181, 2, 248, 215, 94, 1, 224, 43, 2, 
-    248, 215, 94, 1, 223, 71, 2, 248, 215, 94, 1, 220, 23, 2, 248, 215, 94, 
-    1, 217, 40, 2, 248, 215, 94, 1, 214, 4, 2, 241, 68, 94, 1, 252, 37, 2, 
-    223, 172, 94, 1, 235, 1, 2, 223, 172, 94, 1, 225, 225, 2, 223, 172, 94, 
-    27, 109, 233, 100, 9, 1, 109, 212, 47, 53, 17, 9, 1, 109, 212, 47, 40, 
-    17, 9, 1, 252, 73, 53, 17, 9, 1, 252, 73, 40, 17, 9, 1, 252, 73, 65, 17, 
-    9, 1, 252, 73, 147, 17, 9, 1, 225, 209, 53, 17, 9, 1, 225, 209, 40, 17, 
-    9, 1, 225, 209, 65, 17, 9, 1, 225, 209, 147, 17, 9, 1, 252, 61, 53, 17, 
-    9, 1, 252, 61, 40, 17, 9, 1, 252, 61, 65, 17, 9, 1, 252, 61, 147, 17, 9, 
-    1, 215, 148, 53, 17, 9, 1, 215, 148, 40, 17, 9, 1, 215, 148, 65, 17, 9, 
-    1, 215, 148, 147, 17, 9, 1, 217, 7, 53, 17, 9, 1, 217, 7, 40, 17, 9, 1, 
-    217, 7, 65, 17, 9, 1, 217, 7, 147, 17, 9, 1, 215, 150, 53, 17, 9, 1, 215, 
-    150, 40, 17, 9, 1, 215, 150, 65, 17, 9, 1, 215, 150, 147, 17, 9, 1, 213, 
-    249, 53, 17, 9, 1, 213, 249, 40, 17, 9, 1, 213, 249, 65, 17, 9, 1, 213, 
-    249, 147, 17, 9, 1, 225, 207, 53, 17, 9, 1, 225, 207, 40, 17, 9, 1, 225, 
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-    2, 122, 2, 77, 40, 17, 9, 27, 122, 2, 151, 2, 77, 40, 17, 9, 27, 66, 2, 
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-    127, 224, 197, 244, 28, 31, 67, 44, 85, 233, 26, 127, 224, 197, 244, 28, 
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-    118, 127, 224, 197, 244, 28, 31, 67, 43, 254, 118, 127, 224, 197, 244, 
-    28, 31, 67, 44, 254, 118, 127, 224, 197, 244, 28, 31, 67, 43, 249, 169, 
-    127, 224, 197, 244, 28, 31, 67, 44, 249, 169, 127, 224, 197, 244, 28, 31, 
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-    163, 121, 232, 219, 250, 180, 121, 232, 219, 212, 32, 121, 232, 219, 4, 
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-    234, 4, 224, 16, 79, 4, 245, 39, 79, 4, 245, 168, 248, 164, 4, 43, 226, 
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-    253, 224, 4, 96, 50, 4, 240, 174, 4, 233, 21, 50, 4, 242, 137, 50, 4, 
-    245, 106, 50, 4, 223, 53, 219, 48, 4, 247, 140, 50, 4, 225, 185, 50, 4, 
-    249, 225, 253, 214, 9, 244, 172, 53, 17, 9, 217, 45, 2, 244, 172, 48, 9, 
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-    53, 17, 9, 244, 174, 147, 17, 9, 248, 193, 53, 17, 9, 248, 193, 147, 17, 
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-    1, 252, 63, 147, 17, 9, 1, 217, 9, 231, 170, 53, 17, 9, 1, 217, 9, 231, 
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-    40, 17, 9, 1, 216, 194, 65, 17, 9, 1, 216, 194, 147, 17, 9, 1, 151, 53, 
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-    248, 225, 147, 17, 9, 1, 217, 82, 53, 17, 9, 1, 217, 82, 40, 17, 9, 1, 
-    217, 82, 65, 17, 9, 1, 217, 82, 147, 17, 9, 1, 210, 112, 53, 17, 9, 1, 
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-    65, 17, 9, 1, 235, 1, 147, 17, 9, 1, 233, 109, 53, 17, 9, 1, 233, 109, 
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-    233, 109, 2, 109, 2, 182, 72, 40, 17, 9, 27, 233, 109, 2, 109, 2, 182, 
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-    126, 7, 6, 1, 74, 126, 7, 6, 1, 235, 150, 126, 7, 6, 1, 235, 29, 126, 7, 
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-    214, 105, 126, 7, 6, 1, 212, 98, 126, 7, 6, 1, 211, 178, 126, 7, 6, 1, 
-    211, 117, 126, 7, 6, 1, 210, 159, 126, 43, 42, 127, 126, 223, 53, 219, 
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-    14, 126, 7, 4, 1, 243, 209, 126, 7, 4, 1, 242, 67, 126, 7, 4, 1, 74, 126, 
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-    1, 194, 126, 7, 4, 1, 230, 30, 126, 7, 4, 1, 78, 126, 7, 4, 1, 226, 109, 
-    126, 7, 4, 1, 224, 99, 126, 7, 4, 1, 153, 126, 7, 4, 1, 222, 93, 126, 7, 
-    4, 1, 217, 153, 126, 7, 4, 1, 69, 126, 7, 4, 1, 214, 105, 126, 7, 4, 1, 
-    212, 98, 126, 7, 4, 1, 211, 178, 126, 7, 4, 1, 211, 117, 126, 7, 4, 1, 
-    210, 159, 126, 43, 249, 107, 127, 126, 67, 232, 219, 126, 44, 249, 107, 
-    127, 126, 184, 126, 43, 71, 226, 7, 126, 44, 71, 226, 7, 101, 110, 243, 
-    236, 218, 131, 101, 43, 249, 169, 127, 101, 44, 249, 169, 127, 101, 110, 
-    249, 227, 101, 56, 230, 229, 247, 128, 101, 56, 1, 211, 227, 101, 56, 1, 
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-    1, 4, 78, 101, 56, 1, 4, 192, 101, 56, 1, 4, 210, 212, 101, 56, 1, 4, 
-    210, 244, 101, 56, 1, 4, 215, 119, 101, 234, 207, 224, 176, 219, 33, 79, 
-    101, 56, 1, 61, 101, 56, 1, 74, 101, 56, 1, 69, 101, 56, 1, 76, 101, 56, 
-    1, 78, 101, 56, 1, 176, 101, 56, 1, 234, 98, 101, 56, 1, 233, 223, 101, 
-    56, 1, 234, 188, 101, 56, 1, 234, 34, 101, 56, 1, 206, 101, 56, 1, 219, 
-    193, 101, 56, 1, 218, 84, 101, 56, 1, 221, 183, 101, 56, 1, 219, 60, 101, 
-    56, 1, 217, 106, 101, 56, 1, 216, 118, 101, 56, 1, 215, 119, 101, 56, 1, 
-    217, 23, 101, 56, 1, 112, 101, 56, 1, 198, 101, 56, 1, 228, 238, 101, 56, 
-    1, 227, 242, 101, 56, 1, 229, 112, 101, 56, 1, 228, 79, 101, 56, 1, 162, 
-    101, 56, 1, 241, 187, 101, 56, 1, 240, 229, 101, 56, 1, 241, 245, 101, 
-    56, 1, 241, 75, 101, 56, 1, 186, 101, 56, 1, 230, 235, 101, 56, 1, 230, 
-    107, 101, 56, 1, 231, 96, 101, 56, 1, 230, 166, 101, 56, 1, 192, 101, 56, 
-    1, 210, 212, 101, 56, 1, 210, 244, 101, 56, 1, 205, 101, 56, 1, 223, 38, 
-    101, 56, 1, 222, 142, 101, 56, 1, 223, 131, 101, 56, 1, 222, 213, 101, 
-    56, 1, 212, 65, 101, 56, 1, 230, 30, 101, 56, 213, 135, 219, 33, 79, 101, 
-    56, 220, 157, 219, 33, 79, 101, 24, 244, 111, 101, 24, 1, 234, 64, 101, 
-    24, 1, 218, 217, 101, 24, 1, 234, 57, 101, 24, 1, 228, 231, 101, 24, 1, 
-    228, 229, 101, 24, 1, 228, 228, 101, 24, 1, 216, 102, 101, 24, 1, 218, 
-    206, 101, 24, 1, 223, 29, 101, 24, 1, 223, 24, 101, 24, 1, 223, 21, 101, 
-    24, 1, 223, 14, 101, 24, 1, 223, 9, 101, 24, 1, 223, 4, 101, 24, 1, 223, 
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-    1, 214, 115, 250, 245, 1, 222, 182, 250, 245, 1, 231, 134, 250, 245, 1, 
-    231, 133, 250, 245, 1, 231, 132, 250, 245, 1, 231, 131, 250, 245, 1, 233, 
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-    167, 55, 32, 1, 245, 158, 55, 32, 1, 245, 83, 55, 32, 1, 78, 55, 32, 1, 
-    225, 224, 55, 32, 1, 220, 65, 55, 32, 1, 233, 223, 55, 32, 1, 245, 100, 
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-    32, 1, 245, 92, 55, 32, 1, 250, 139, 55, 32, 1, 236, 40, 55, 32, 1, 214, 
-    118, 55, 32, 227, 202, 111, 55, 32, 227, 202, 190, 55, 32, 227, 202, 216, 
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-    242, 160, 1, 224, 82, 242, 160, 1, 235, 161, 242, 160, 1, 242, 46, 242, 
-    160, 1, 216, 159, 242, 160, 1, 245, 191, 242, 160, 1, 233, 196, 242, 160, 
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-    235, 125, 242, 160, 1, 214, 136, 242, 160, 1, 226, 73, 242, 160, 1, 228, 
-    200, 242, 160, 1, 223, 168, 242, 160, 1, 221, 220, 242, 160, 1, 217, 5, 
-    242, 160, 1, 211, 234, 242, 160, 1, 244, 186, 242, 160, 1, 236, 44, 242, 
-    160, 1, 240, 206, 242, 160, 1, 226, 143, 242, 160, 1, 228, 205, 240, 217, 
-    214, 209, 1, 254, 155, 214, 209, 1, 252, 34, 214, 209, 1, 243, 115, 214, 
-    209, 1, 234, 138, 214, 209, 1, 248, 62, 214, 209, 1, 241, 75, 214, 209, 
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-    216, 231, 214, 209, 1, 210, 233, 214, 209, 1, 235, 0, 214, 209, 1, 220, 
-    22, 214, 209, 1, 233, 104, 214, 209, 1, 231, 70, 214, 209, 1, 248, 29, 
-    214, 209, 1, 227, 198, 214, 209, 1, 210, 13, 214, 209, 1, 221, 250, 214, 
-    209, 1, 254, 205, 214, 209, 1, 224, 153, 214, 209, 1, 222, 27, 214, 209, 
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-    242, 251, 214, 209, 1, 112, 214, 209, 1, 74, 214, 209, 1, 69, 214, 209, 
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-    172, 5, 74, 55, 225, 172, 5, 69, 55, 225, 172, 5, 176, 55, 225, 172, 5, 
-    233, 223, 55, 225, 172, 5, 243, 142, 55, 225, 172, 5, 242, 120, 55, 225, 
-    172, 5, 211, 165, 55, 225, 172, 5, 251, 41, 55, 225, 172, 5, 235, 147, 
-    55, 225, 172, 5, 235, 114, 55, 225, 172, 5, 217, 106, 55, 225, 172, 5, 
-    215, 119, 55, 225, 172, 5, 248, 229, 55, 225, 172, 5, 248, 11, 55, 225, 
-    172, 5, 246, 86, 55, 225, 172, 5, 216, 209, 55, 225, 172, 5, 191, 55, 
-    225, 172, 5, 252, 199, 55, 225, 172, 5, 244, 204, 55, 225, 172, 5, 198, 
-    55, 225, 172, 5, 227, 242, 55, 225, 172, 5, 186, 55, 225, 172, 5, 230, 
-    235, 55, 225, 172, 5, 230, 107, 55, 225, 172, 5, 192, 55, 225, 172, 5, 
-    214, 27, 55, 225, 172, 5, 213, 176, 55, 225, 172, 5, 205, 55, 225, 172, 
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-    172, 5, 210, 116, 55, 225, 172, 5, 220, 104, 55, 225, 172, 5, 218, 225, 
-    55, 225, 172, 5, 162, 55, 225, 172, 5, 253, 194, 55, 225, 172, 5, 253, 
-    193, 55, 225, 172, 5, 253, 192, 55, 225, 172, 5, 211, 142, 55, 225, 172, 
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-    225, 172, 5, 251, 93, 55, 225, 172, 211, 209, 247, 180, 55, 225, 172, 54, 
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-    215, 73, 55, 225, 172, 54, 240, 217, 181, 6, 1, 200, 74, 181, 6, 1, 200, 
-    76, 181, 6, 1, 200, 61, 181, 6, 1, 200, 254, 218, 181, 6, 1, 200, 78, 
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-    76, 181, 6, 1, 219, 253, 61, 181, 6, 1, 219, 253, 254, 218, 181, 6, 1, 
-    219, 253, 78, 181, 6, 1, 219, 253, 226, 187, 181, 6, 1, 253, 175, 181, 6, 
-    1, 226, 120, 181, 6, 1, 211, 195, 181, 6, 1, 211, 44, 181, 6, 1, 242, 67, 
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-    248, 85, 181, 6, 1, 250, 136, 181, 6, 1, 235, 130, 181, 6, 1, 234, 195, 
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-    245, 67, 181, 6, 1, 216, 195, 181, 6, 1, 245, 90, 181, 6, 1, 210, 92, 
-    181, 6, 1, 245, 83, 181, 6, 1, 210, 73, 181, 6, 1, 245, 100, 181, 6, 1, 
-    245, 182, 181, 6, 1, 245, 167, 181, 6, 1, 245, 158, 181, 6, 1, 245, 146, 
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-    200, 76, 181, 4, 1, 200, 61, 181, 4, 1, 200, 254, 218, 181, 4, 1, 200, 
-    78, 181, 4, 1, 200, 226, 187, 181, 4, 1, 219, 253, 74, 181, 4, 1, 219, 
-    253, 76, 181, 4, 1, 219, 253, 61, 181, 4, 1, 219, 253, 254, 218, 181, 4, 
-    1, 219, 253, 78, 181, 4, 1, 219, 253, 226, 187, 181, 4, 1, 253, 175, 181, 
-    4, 1, 226, 120, 181, 4, 1, 211, 195, 181, 4, 1, 211, 44, 181, 4, 1, 242, 
-    67, 181, 4, 1, 225, 214, 181, 4, 1, 252, 74, 181, 4, 1, 217, 12, 181, 4, 
-    1, 248, 85, 181, 4, 1, 250, 136, 181, 4, 1, 235, 130, 181, 4, 1, 234, 
-    195, 181, 4, 1, 243, 90, 181, 4, 1, 245, 210, 181, 4, 1, 213, 250, 181, 
-    4, 1, 245, 67, 181, 4, 1, 216, 195, 181, 4, 1, 245, 90, 181, 4, 1, 210, 
-    92, 181, 4, 1, 245, 83, 181, 4, 1, 210, 73, 181, 4, 1, 245, 100, 181, 4, 
-    1, 245, 182, 181, 4, 1, 245, 167, 181, 4, 1, 245, 158, 181, 4, 1, 245, 
-    146, 181, 4, 1, 226, 223, 181, 4, 1, 245, 46, 220, 71, 1, 225, 212, 220, 
-    71, 1, 216, 6, 220, 71, 1, 234, 97, 220, 71, 1, 244, 155, 220, 71, 1, 
-    216, 173, 220, 71, 1, 219, 60, 220, 71, 1, 218, 15, 220, 71, 1, 250, 69, 
-    220, 71, 1, 211, 46, 220, 71, 1, 240, 216, 220, 71, 1, 252, 13, 220, 71, 
-    1, 248, 97, 220, 71, 1, 243, 128, 220, 71, 1, 213, 123, 220, 71, 1, 216, 
-    177, 220, 71, 1, 210, 21, 220, 71, 1, 231, 94, 220, 71, 1, 235, 55, 220, 
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-    230, 194, 220, 71, 1, 236, 47, 220, 71, 1, 245, 209, 220, 71, 1, 253, 
-    239, 220, 71, 1, 255, 0, 220, 71, 1, 226, 200, 220, 71, 1, 211, 212, 220, 
-    71, 1, 226, 134, 220, 71, 1, 254, 218, 220, 71, 1, 222, 210, 220, 71, 1, 
-    227, 198, 220, 71, 1, 245, 225, 220, 71, 1, 254, 223, 220, 71, 1, 240, 
-    118, 220, 71, 1, 214, 163, 220, 71, 1, 227, 2, 220, 71, 1, 226, 180, 220, 
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-    226, 162, 220, 71, 1, 254, 201, 220, 71, 1, 245, 94, 220, 71, 1, 254, 5, 
-    220, 71, 1, 245, 235, 220, 71, 1, 240, 125, 220, 71, 1, 211, 13, 226, 
-    145, 1, 254, 179, 226, 145, 1, 252, 199, 226, 145, 1, 217, 106, 226, 145, 
-    1, 235, 147, 226, 145, 1, 211, 165, 226, 145, 1, 234, 138, 226, 145, 1, 
-    248, 84, 226, 145, 1, 205, 226, 145, 1, 206, 226, 145, 1, 220, 28, 226, 
-    145, 1, 248, 33, 226, 145, 1, 250, 223, 226, 145, 1, 243, 142, 226, 145, 
-    1, 244, 204, 226, 145, 1, 224, 89, 226, 145, 1, 235, 15, 226, 145, 1, 
-    233, 136, 226, 145, 1, 230, 205, 226, 145, 1, 227, 182, 226, 145, 1, 212, 
-    30, 226, 145, 1, 162, 226, 145, 1, 192, 226, 145, 1, 61, 226, 145, 1, 76, 
-    226, 145, 1, 74, 226, 145, 1, 78, 226, 145, 1, 69, 226, 145, 1, 255, 82, 
-    226, 145, 1, 245, 217, 226, 145, 1, 226, 187, 226, 145, 21, 210, 86, 226, 
-    145, 21, 111, 226, 145, 21, 105, 226, 145, 21, 158, 226, 145, 21, 161, 
-    226, 145, 21, 190, 226, 145, 21, 195, 226, 145, 21, 199, 226, 145, 21, 
-    196, 226, 145, 21, 201, 249, 75, 3, 61, 249, 75, 3, 76, 249, 75, 3, 74, 
-    249, 75, 3, 78, 249, 75, 3, 69, 249, 75, 3, 235, 147, 249, 75, 3, 235, 
-    74, 249, 75, 3, 176, 249, 75, 3, 234, 188, 249, 75, 3, 234, 98, 249, 75, 
-    3, 234, 34, 249, 75, 3, 233, 223, 249, 75, 3, 233, 141, 249, 75, 3, 233, 
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-    249, 75, 3, 186, 249, 75, 3, 231, 96, 249, 75, 3, 230, 235, 249, 75, 3, 
-    230, 166, 249, 75, 3, 230, 107, 249, 75, 3, 198, 249, 75, 3, 229, 112, 
-    249, 75, 3, 228, 238, 249, 75, 3, 228, 79, 249, 75, 3, 227, 242, 249, 75, 
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-    249, 75, 3, 224, 153, 249, 75, 3, 205, 249, 75, 3, 223, 131, 249, 75, 3, 
-    223, 38, 249, 75, 3, 222, 213, 249, 75, 3, 222, 142, 249, 75, 3, 206, 
-    249, 75, 3, 221, 183, 249, 75, 3, 219, 193, 249, 75, 3, 219, 60, 249, 75, 
-    3, 218, 84, 249, 75, 3, 217, 106, 249, 75, 3, 217, 23, 249, 75, 3, 216, 
-    118, 249, 75, 3, 112, 249, 75, 3, 215, 119, 249, 75, 3, 212, 65, 249, 75, 
-    3, 212, 22, 249, 75, 3, 211, 250, 249, 75, 3, 211, 227, 249, 75, 3, 211, 
-    165, 249, 75, 3, 211, 162, 249, 75, 3, 210, 116, 249, 75, 3, 210, 23, 
-    236, 8, 254, 35, 1, 254, 177, 236, 8, 254, 35, 1, 252, 33, 236, 8, 254, 
-    35, 1, 242, 208, 236, 8, 254, 35, 1, 248, 196, 236, 8, 254, 35, 1, 241, 
-    245, 236, 8, 254, 35, 1, 212, 30, 236, 8, 254, 35, 1, 210, 97, 236, 8, 
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-    210, 232, 236, 8, 254, 35, 1, 234, 231, 236, 8, 254, 35, 1, 233, 99, 236, 
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-    221, 251, 236, 8, 254, 35, 1, 253, 170, 236, 8, 254, 35, 1, 225, 224, 
-    236, 8, 254, 35, 1, 222, 26, 236, 8, 254, 35, 1, 224, 37, 236, 8, 254, 
-    35, 1, 223, 70, 236, 8, 254, 35, 1, 220, 22, 236, 8, 254, 35, 1, 217, 37, 
-    236, 8, 254, 35, 221, 175, 50, 236, 8, 254, 35, 54, 111, 236, 8, 254, 35, 
-    54, 105, 236, 8, 254, 35, 54, 158, 236, 8, 254, 35, 54, 216, 248, 236, 8, 
-    254, 35, 54, 215, 73, 236, 8, 254, 35, 54, 123, 240, 217, 236, 8, 254, 
-    35, 54, 123, 216, 148, 236, 8, 254, 35, 54, 216, 249, 216, 148, 225, 122, 
-    1, 254, 174, 225, 122, 1, 252, 36, 225, 122, 1, 243, 116, 225, 122, 1, 
-    248, 64, 225, 122, 1, 241, 245, 225, 122, 1, 212, 37, 225, 122, 1, 210, 
-    110, 225, 122, 1, 241, 204, 225, 122, 1, 216, 231, 225, 122, 1, 210, 233, 
-    225, 122, 1, 235, 0, 225, 122, 1, 233, 105, 225, 122, 1, 231, 70, 225, 
-    122, 1, 227, 198, 225, 122, 1, 220, 146, 225, 122, 1, 254, 205, 225, 122, 
-    1, 225, 224, 225, 122, 1, 222, 27, 225, 122, 1, 224, 42, 225, 122, 1, 
-    222, 191, 225, 122, 1, 220, 22, 225, 122, 1, 217, 42, 225, 122, 54, 111, 
-    225, 122, 54, 216, 248, 225, 122, 54, 215, 73, 225, 122, 54, 123, 240, 
-    217, 225, 122, 54, 105, 225, 122, 54, 158, 225, 122, 211, 209, 220, 139, 
-    232, 64, 1, 61, 232, 64, 1, 253, 166, 232, 64, 1, 243, 209, 232, 64, 1, 
-    249, 68, 232, 64, 1, 76, 232, 64, 1, 214, 105, 232, 64, 1, 74, 232, 64, 
-    1, 211, 117, 232, 64, 1, 235, 29, 232, 64, 1, 156, 232, 64, 1, 194, 232, 
-    64, 1, 230, 30, 232, 64, 1, 78, 232, 64, 1, 153, 232, 64, 1, 218, 228, 
-    232, 64, 1, 217, 153, 232, 64, 1, 69, 232, 64, 1, 245, 14, 232, 64, 1, 
-    224, 99, 232, 64, 1, 222, 93, 232, 64, 1, 215, 160, 232, 64, 1, 254, 131, 
-    232, 64, 1, 245, 158, 232, 64, 1, 232, 67, 232, 64, 1, 228, 116, 232, 64, 
-    1, 251, 74, 232, 64, 215, 223, 79, 231, 53, 241, 181, 1, 61, 231, 53, 
-    241, 181, 1, 76, 231, 53, 241, 181, 1, 74, 231, 53, 241, 181, 1, 78, 231, 
-    53, 241, 181, 1, 192, 231, 53, 241, 181, 1, 212, 65, 231, 53, 241, 181, 
-    1, 252, 199, 231, 53, 241, 181, 1, 252, 198, 231, 53, 241, 181, 1, 191, 
-    231, 53, 241, 181, 1, 186, 231, 53, 241, 181, 1, 198, 231, 53, 241, 181, 
-    1, 229, 233, 231, 53, 241, 181, 1, 229, 112, 231, 53, 241, 181, 1, 229, 
-    111, 231, 53, 241, 181, 1, 205, 231, 53, 241, 181, 1, 223, 190, 231, 53, 
-    241, 181, 1, 233, 141, 231, 53, 241, 181, 1, 234, 138, 231, 53, 241, 181, 
-    1, 241, 196, 231, 53, 241, 181, 1, 206, 231, 53, 241, 181, 1, 222, 35, 
-    231, 53, 241, 181, 1, 221, 183, 231, 53, 241, 181, 1, 176, 231, 53, 241, 
-    181, 1, 224, 91, 231, 53, 241, 181, 1, 217, 106, 231, 53, 241, 181, 1, 
-    217, 105, 231, 53, 241, 181, 1, 217, 23, 231, 53, 241, 181, 1, 217, 22, 
-    231, 53, 241, 181, 1, 112, 231, 53, 241, 181, 1, 248, 229, 231, 53, 241, 
-    181, 16, 213, 170, 231, 53, 241, 181, 16, 213, 169, 231, 53, 249, 102, 1, 
-    61, 231, 53, 249, 102, 1, 76, 231, 53, 249, 102, 1, 74, 231, 53, 249, 
-    102, 1, 78, 231, 53, 249, 102, 1, 192, 231, 53, 249, 102, 1, 212, 65, 
-    231, 53, 249, 102, 1, 252, 199, 231, 53, 249, 102, 1, 191, 231, 53, 249, 
-    102, 1, 186, 231, 53, 249, 102, 1, 198, 231, 53, 249, 102, 1, 229, 112, 
-    231, 53, 249, 102, 1, 205, 231, 53, 249, 102, 1, 233, 141, 231, 53, 249, 
-    102, 1, 234, 138, 231, 53, 249, 102, 1, 241, 196, 231, 53, 249, 102, 1, 
-    206, 231, 53, 249, 102, 1, 254, 31, 206, 231, 53, 249, 102, 1, 221, 183, 
-    231, 53, 249, 102, 1, 176, 231, 53, 249, 102, 1, 224, 91, 231, 53, 249, 
-    102, 1, 217, 106, 231, 53, 249, 102, 1, 217, 23, 231, 53, 249, 102, 1, 
-    112, 231, 53, 249, 102, 1, 248, 229, 231, 53, 249, 102, 232, 151, 222, 
-    219, 231, 53, 249, 102, 232, 151, 236, 13, 234, 126, 1, 61, 234, 126, 25, 
-    5, 74, 234, 126, 25, 5, 69, 234, 126, 25, 5, 149, 153, 234, 126, 25, 5, 
-    76, 234, 126, 25, 5, 78, 234, 126, 25, 233, 29, 79, 234, 126, 5, 52, 222, 
-    237, 51, 234, 126, 5, 254, 83, 234, 126, 5, 213, 147, 234, 126, 1, 176, 
-    234, 126, 1, 234, 138, 234, 126, 1, 243, 142, 234, 126, 1, 243, 0, 234, 
-    126, 1, 251, 41, 234, 126, 1, 250, 165, 234, 126, 1, 235, 147, 234, 126, 
-    1, 227, 169, 234, 126, 1, 215, 157, 234, 126, 1, 215, 145, 234, 126, 1, 
-    248, 143, 234, 126, 1, 248, 127, 234, 126, 1, 228, 115, 234, 126, 1, 217, 
-    106, 234, 126, 1, 216, 209, 234, 126, 1, 248, 229, 234, 126, 1, 248, 33, 
-    234, 126, 1, 198, 234, 126, 1, 191, 234, 126, 1, 225, 150, 234, 126, 1, 
-    252, 199, 234, 126, 1, 252, 26, 234, 126, 1, 186, 234, 126, 1, 192, 234, 
-    126, 1, 205, 234, 126, 1, 233, 141, 234, 126, 1, 214, 27, 234, 126, 1, 
-    220, 104, 234, 126, 1, 218, 225, 234, 126, 1, 206, 234, 126, 1, 210, 116, 
-    234, 126, 1, 162, 234, 126, 1, 234, 52, 234, 126, 1, 215, 125, 234, 126, 
-    5, 252, 149, 48, 234, 126, 5, 250, 229, 234, 126, 5, 59, 51, 234, 126, 
-    213, 152, 234, 126, 21, 111, 234, 126, 21, 105, 234, 126, 21, 158, 234, 
-    126, 21, 161, 234, 126, 54, 216, 248, 234, 126, 54, 215, 73, 234, 126, 
-    54, 123, 240, 217, 234, 126, 54, 123, 216, 148, 234, 126, 224, 144, 247, 
-    128, 234, 126, 224, 144, 4, 250, 43, 234, 126, 224, 144, 250, 43, 234, 
-    126, 224, 144, 249, 145, 130, 234, 126, 224, 144, 231, 185, 234, 126, 
-    224, 144, 232, 121, 234, 126, 224, 144, 248, 186, 234, 126, 224, 144, 52, 
-    248, 186, 234, 126, 224, 144, 232, 213, 55, 219, 30, 254, 46, 1, 241, 
-    245, 55, 219, 30, 254, 46, 1, 233, 99, 55, 219, 30, 254, 46, 1, 241, 202, 
-    55, 219, 30, 254, 46, 1, 231, 70, 55, 219, 30, 254, 46, 1, 224, 37, 55, 
-    219, 30, 254, 46, 1, 212, 30, 55, 219, 30, 254, 46, 1, 220, 22, 55, 219, 
-    30, 254, 46, 1, 223, 70, 55, 219, 30, 254, 46, 1, 252, 33, 55, 219, 30, 
-    254, 46, 1, 217, 37, 55, 219, 30, 254, 46, 1, 221, 228, 55, 219, 30, 254, 
-    46, 1, 234, 231, 55, 219, 30, 254, 46, 1, 227, 198, 55, 219, 30, 254, 46, 
-    1, 234, 122, 55, 219, 30, 254, 46, 1, 222, 26, 55, 219, 30, 254, 46, 1, 
-    221, 251, 55, 219, 30, 254, 46, 1, 244, 162, 55, 219, 30, 254, 46, 1, 
-    254, 179, 55, 219, 30, 254, 46, 1, 253, 169, 55, 219, 30, 254, 46, 1, 
-    248, 30, 55, 219, 30, 254, 46, 1, 242, 208, 55, 219, 30, 254, 46, 1, 248, 
-    196, 55, 219, 30, 254, 46, 1, 242, 245, 55, 219, 30, 254, 46, 1, 216, 
-    227, 55, 219, 30, 254, 46, 1, 210, 96, 55, 219, 30, 254, 46, 1, 248, 27, 
-    55, 219, 30, 254, 46, 1, 210, 232, 55, 219, 30, 254, 46, 1, 216, 198, 55, 
-    219, 30, 254, 46, 1, 216, 179, 55, 219, 30, 254, 46, 54, 111, 55, 219, 
-    30, 254, 46, 54, 244, 122, 55, 219, 30, 254, 46, 132, 235, 245, 253, 180, 
-    1, 61, 253, 180, 1, 255, 82, 253, 180, 1, 254, 81, 253, 180, 1, 255, 41, 
-    253, 180, 1, 254, 131, 253, 180, 1, 255, 42, 253, 180, 1, 254, 252, 253, 
-    180, 1, 254, 248, 253, 180, 1, 76, 253, 180, 1, 245, 217, 253, 180, 1, 
-    78, 253, 180, 1, 226, 187, 253, 180, 1, 74, 253, 180, 1, 236, 40, 253, 
-    180, 1, 69, 253, 180, 1, 214, 118, 253, 180, 1, 234, 188, 253, 180, 1, 
-    211, 162, 253, 180, 1, 211, 128, 253, 180, 1, 211, 137, 253, 180, 1, 243, 
-    69, 253, 180, 1, 243, 31, 253, 180, 1, 242, 243, 253, 180, 1, 250, 198, 
-    253, 180, 1, 235, 132, 253, 180, 1, 217, 23, 253, 180, 1, 216, 196, 253, 
-    180, 1, 248, 98, 253, 180, 1, 248, 25, 253, 180, 1, 215, 152, 253, 180, 
-    1, 225, 224, 253, 180, 1, 244, 162, 253, 180, 1, 252, 83, 253, 180, 1, 
-    252, 22, 253, 180, 1, 229, 69, 253, 180, 1, 228, 244, 253, 180, 1, 228, 
-    245, 253, 180, 1, 229, 112, 253, 180, 1, 227, 160, 253, 180, 1, 228, 110, 
-    253, 180, 1, 231, 96, 253, 180, 1, 241, 123, 253, 180, 1, 210, 166, 253, 
-    180, 1, 211, 47, 253, 180, 1, 213, 255, 253, 180, 1, 223, 131, 253, 180, 
-    1, 233, 64, 253, 180, 1, 221, 183, 253, 180, 1, 210, 94, 253, 180, 1, 
-    220, 65, 253, 180, 1, 210, 74, 253, 180, 1, 219, 200, 253, 180, 1, 218, 
-    195, 253, 180, 1, 241, 245, 253, 180, 255, 30, 79, 216, 80, 113, 170, 
-    115, 123, 59, 224, 143, 4, 113, 170, 115, 123, 59, 224, 143, 233, 91, 
-    113, 170, 115, 123, 59, 224, 143, 233, 91, 123, 59, 115, 113, 170, 224, 
-    143, 233, 91, 113, 222, 235, 115, 123, 222, 237, 224, 143, 233, 91, 123, 
-    222, 237, 115, 113, 222, 235, 224, 143, 235, 225, 226, 2, 1, 254, 177, 
-    235, 225, 226, 2, 1, 252, 33, 235, 225, 226, 2, 1, 242, 208, 235, 225, 
-    226, 2, 1, 248, 196, 235, 225, 226, 2, 1, 241, 245, 235, 225, 226, 2, 1, 
-    212, 30, 235, 225, 226, 2, 1, 210, 97, 235, 225, 226, 2, 1, 241, 202, 
-    235, 225, 226, 2, 1, 216, 227, 235, 225, 226, 2, 1, 210, 232, 235, 225, 
-    226, 2, 1, 234, 231, 235, 225, 226, 2, 1, 233, 99, 235, 225, 226, 2, 1, 
-    231, 70, 235, 225, 226, 2, 1, 227, 198, 235, 225, 226, 2, 1, 221, 251, 
-    235, 225, 226, 2, 1, 253, 170, 235, 225, 226, 2, 1, 225, 224, 235, 225, 
-    226, 2, 1, 222, 26, 235, 225, 226, 2, 1, 224, 37, 235, 225, 226, 2, 1, 
-    223, 70, 235, 225, 226, 2, 1, 220, 22, 235, 225, 226, 2, 1, 217, 37, 235, 
-    225, 226, 2, 54, 111, 235, 225, 226, 2, 54, 105, 235, 225, 226, 2, 54, 
-    158, 235, 225, 226, 2, 54, 161, 235, 225, 226, 2, 54, 216, 248, 235, 225, 
-    226, 2, 54, 215, 73, 235, 225, 226, 2, 54, 123, 240, 217, 235, 225, 226, 
-    2, 54, 123, 216, 148, 235, 225, 226, 76, 1, 254, 177, 235, 225, 226, 76, 
-    1, 252, 33, 235, 225, 226, 76, 1, 242, 208, 235, 225, 226, 76, 1, 248, 
-    196, 235, 225, 226, 76, 1, 241, 245, 235, 225, 226, 76, 1, 212, 29, 235, 
-    225, 226, 76, 1, 210, 97, 235, 225, 226, 76, 1, 241, 202, 235, 225, 226, 
-    76, 1, 216, 227, 235, 225, 226, 76, 1, 210, 232, 235, 225, 226, 76, 1, 
-    234, 231, 235, 225, 226, 76, 1, 233, 99, 235, 225, 226, 76, 1, 231, 69, 
-    235, 225, 226, 76, 1, 227, 198, 235, 225, 226, 76, 1, 221, 251, 235, 225, 
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-    202, 1, 226, 153, 245, 169, 55, 202, 1, 226, 153, 245, 167, 55, 202, 1, 
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-    202, 1, 226, 153, 240, 120, 55, 202, 1, 226, 153, 245, 223, 55, 202, 1, 
-    211, 37, 245, 223, 55, 202, 1, 226, 153, 254, 53, 55, 202, 1, 211, 37, 
-    254, 53, 55, 202, 1, 226, 153, 235, 188, 55, 202, 1, 211, 37, 235, 188, 
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-    129, 21, 199, 222, 129, 21, 196, 222, 129, 21, 201, 222, 129, 54, 216, 
-    248, 222, 129, 54, 215, 73, 222, 129, 54, 216, 163, 222, 129, 54, 244, 
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-    118, 222, 129, 54, 245, 192, 222, 129, 54, 228, 200, 222, 129, 54, 123, 
-    240, 217, 222, 129, 54, 113, 240, 217, 222, 129, 54, 134, 240, 217, 222, 
-    129, 54, 244, 19, 240, 217, 222, 129, 54, 244, 89, 240, 217, 222, 129, 
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-    245, 201, 240, 217, 222, 129, 54, 228, 205, 240, 217, 222, 129, 244, 10, 
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-    216, 169, 222, 129, 244, 10, 113, 216, 167, 118, 5, 251, 7, 118, 5, 254, 
-    83, 118, 5, 213, 147, 118, 5, 235, 108, 118, 5, 214, 161, 118, 1, 61, 
-    118, 1, 255, 82, 118, 1, 74, 118, 1, 236, 40, 118, 1, 69, 118, 1, 214, 
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-    200, 118, 1, 176, 118, 1, 234, 138, 118, 1, 243, 142, 118, 1, 243, 0, 
-    118, 1, 229, 82, 118, 1, 251, 41, 118, 1, 250, 165, 118, 1, 235, 147, 
-    118, 1, 235, 120, 118, 1, 227, 169, 118, 1, 215, 157, 118, 1, 215, 145, 
-    118, 1, 248, 143, 118, 1, 248, 127, 118, 1, 228, 115, 118, 1, 217, 106, 
-    118, 1, 216, 209, 118, 1, 248, 229, 118, 1, 248, 33, 118, 1, 198, 118, 1, 
-    191, 118, 1, 225, 150, 118, 1, 252, 199, 118, 1, 252, 26, 118, 1, 186, 
-    118, 1, 192, 118, 1, 205, 118, 1, 233, 141, 118, 1, 214, 27, 118, 1, 220, 
-    104, 118, 1, 218, 225, 118, 1, 206, 118, 1, 162, 118, 1, 232, 190, 118, 
-    1, 55, 36, 232, 181, 118, 1, 55, 36, 222, 181, 118, 1, 55, 36, 228, 97, 
-    118, 25, 5, 255, 82, 118, 25, 5, 252, 23, 255, 82, 118, 25, 5, 74, 118, 
-    25, 5, 236, 40, 118, 25, 5, 69, 118, 25, 5, 214, 118, 118, 25, 5, 149, 
-    153, 118, 25, 5, 149, 222, 182, 118, 25, 5, 149, 156, 118, 25, 5, 149, 
-    232, 191, 118, 25, 5, 76, 118, 25, 5, 254, 210, 118, 25, 5, 78, 118, 25, 
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-    144, 247, 128, 118, 224, 144, 52, 247, 128, 118, 224, 144, 232, 219, 118, 
-    224, 144, 249, 145, 130, 118, 224, 144, 232, 121, 118, 54, 111, 118, 54, 
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-    199, 118, 54, 196, 118, 54, 201, 118, 54, 216, 248, 118, 54, 215, 73, 
-    118, 54, 216, 163, 118, 54, 244, 23, 118, 54, 244, 122, 118, 54, 219, 
-    113, 118, 54, 220, 118, 118, 54, 245, 192, 118, 54, 228, 200, 118, 54, 
-    123, 240, 217, 118, 54, 123, 216, 148, 118, 21, 210, 86, 118, 21, 111, 
-    118, 21, 105, 118, 21, 158, 118, 21, 161, 118, 21, 190, 118, 21, 195, 
-    118, 21, 199, 118, 21, 196, 118, 21, 201, 234, 250, 5, 251, 7, 234, 250, 
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-    234, 250, 1, 74, 234, 250, 1, 236, 40, 234, 250, 1, 69, 234, 250, 1, 214, 
-    118, 234, 250, 1, 76, 234, 250, 1, 254, 210, 234, 250, 1, 78, 234, 250, 
-    1, 253, 200, 234, 250, 1, 176, 234, 250, 1, 234, 138, 234, 250, 1, 243, 
-    142, 234, 250, 1, 243, 0, 234, 250, 1, 229, 82, 234, 250, 1, 251, 41, 
-    234, 250, 1, 250, 165, 234, 250, 1, 235, 147, 234, 250, 1, 235, 120, 234, 
-    250, 1, 227, 169, 234, 250, 1, 215, 157, 234, 250, 1, 215, 145, 234, 250, 
-    1, 248, 143, 234, 250, 1, 248, 132, 234, 250, 1, 248, 127, 234, 250, 1, 
-    223, 42, 234, 250, 1, 228, 115, 234, 250, 1, 217, 106, 234, 250, 1, 216, 
-    209, 234, 250, 1, 248, 229, 234, 250, 1, 248, 33, 234, 250, 1, 198, 234, 
-    250, 1, 191, 234, 250, 1, 225, 150, 234, 250, 1, 252, 199, 234, 250, 1, 
-    252, 26, 234, 250, 1, 186, 234, 250, 1, 192, 234, 250, 1, 205, 234, 250, 
-    1, 233, 141, 234, 250, 1, 214, 27, 234, 250, 1, 220, 104, 234, 250, 1, 
-    218, 225, 234, 250, 1, 206, 234, 250, 1, 162, 234, 250, 25, 5, 255, 82, 
-    234, 250, 25, 5, 74, 234, 250, 25, 5, 236, 40, 234, 250, 25, 5, 69, 234, 
-    250, 25, 5, 214, 118, 234, 250, 25, 5, 76, 234, 250, 25, 5, 254, 210, 
-    234, 250, 25, 5, 78, 234, 250, 25, 5, 253, 200, 234, 250, 5, 213, 152, 
-    234, 250, 5, 227, 209, 234, 250, 255, 30, 50, 234, 250, 245, 129, 50, 
-    234, 250, 54, 50, 234, 250, 221, 175, 79, 234, 250, 52, 221, 175, 79, 
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-    219, 38, 219, 46, 1, 217, 81, 219, 38, 219, 46, 1, 252, 176, 219, 38, 
-    219, 46, 1, 251, 31, 219, 38, 219, 46, 1, 248, 211, 219, 38, 219, 46, 1, 
-    243, 127, 219, 38, 219, 46, 1, 231, 215, 219, 38, 219, 46, 1, 229, 79, 
-    219, 38, 219, 46, 1, 233, 118, 219, 38, 219, 46, 1, 229, 218, 219, 38, 
-    219, 46, 1, 214, 24, 219, 38, 219, 46, 1, 226, 77, 219, 38, 219, 46, 1, 
-    211, 84, 219, 38, 219, 46, 1, 223, 171, 219, 38, 219, 46, 1, 242, 44, 
-    219, 38, 219, 46, 1, 234, 254, 219, 38, 219, 46, 1, 235, 142, 219, 38, 
-    219, 46, 1, 227, 166, 219, 38, 219, 46, 1, 254, 218, 219, 38, 219, 46, 1, 
-    245, 215, 219, 38, 219, 46, 1, 236, 41, 219, 38, 219, 46, 1, 214, 208, 
-    219, 38, 219, 46, 1, 226, 226, 219, 38, 219, 46, 1, 245, 205, 219, 38, 
-    219, 46, 1, 231, 228, 219, 38, 219, 46, 21, 210, 86, 219, 38, 219, 46, 
-    21, 111, 219, 38, 219, 46, 21, 105, 219, 38, 219, 46, 21, 158, 219, 38, 
-    219, 46, 21, 161, 219, 38, 219, 46, 21, 190, 219, 38, 219, 46, 21, 195, 
-    219, 38, 219, 46, 21, 199, 219, 38, 219, 46, 21, 196, 219, 38, 219, 46, 
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-    147, 250, 159, 1, 255, 82, 250, 159, 1, 74, 250, 159, 1, 69, 250, 159, 1, 
-    76, 250, 159, 1, 235, 16, 250, 159, 1, 234, 137, 250, 159, 1, 243, 139, 
-    250, 159, 1, 242, 255, 250, 159, 1, 229, 81, 250, 159, 1, 251, 40, 250, 
-    159, 1, 250, 164, 250, 159, 1, 235, 146, 250, 159, 1, 235, 119, 250, 159, 
-    1, 227, 168, 250, 159, 1, 215, 156, 250, 159, 1, 215, 144, 250, 159, 1, 
-    248, 142, 250, 159, 1, 248, 126, 250, 159, 1, 228, 114, 250, 159, 1, 217, 
-    102, 250, 159, 1, 216, 208, 250, 159, 1, 248, 228, 250, 159, 1, 248, 32, 
-    250, 159, 1, 229, 230, 250, 159, 1, 226, 93, 250, 159, 1, 225, 149, 250, 
-    159, 1, 252, 197, 250, 159, 1, 252, 25, 250, 159, 1, 231, 242, 250, 159, 
-    1, 210, 167, 250, 159, 1, 211, 103, 250, 159, 1, 223, 187, 250, 159, 1, 
-    233, 140, 250, 159, 1, 212, 64, 250, 159, 1, 222, 33, 250, 159, 1, 242, 
-    53, 250, 159, 25, 5, 61, 250, 159, 25, 5, 74, 250, 159, 25, 5, 236, 40, 
-    250, 159, 25, 5, 69, 250, 159, 25, 5, 214, 118, 250, 159, 25, 5, 76, 250, 
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-    250, 159, 25, 5, 226, 223, 250, 159, 144, 79, 250, 159, 253, 201, 79, 
-    250, 159, 213, 152, 250, 159, 231, 240, 250, 159, 21, 210, 86, 250, 159, 
-    21, 111, 250, 159, 21, 105, 250, 159, 21, 158, 250, 159, 21, 161, 250, 
-    159, 21, 190, 250, 159, 21, 195, 250, 159, 21, 199, 250, 159, 21, 196, 
-    250, 159, 21, 201, 250, 159, 221, 175, 79, 250, 159, 248, 186, 250, 159, 
-    52, 248, 186, 250, 159, 224, 16, 79, 174, 5, 251, 7, 174, 5, 254, 83, 
-    174, 5, 213, 147, 174, 1, 61, 174, 1, 255, 82, 174, 1, 74, 174, 1, 236, 
-    40, 174, 1, 69, 174, 1, 214, 118, 174, 1, 149, 153, 174, 1, 149, 222, 
-    182, 174, 1, 149, 156, 174, 1, 149, 232, 191, 174, 1, 76, 174, 1, 254, 
-    210, 174, 1, 78, 174, 1, 253, 200, 174, 1, 176, 174, 1, 234, 138, 174, 1, 
-    243, 142, 174, 1, 243, 0, 174, 1, 229, 82, 174, 1, 251, 41, 174, 1, 250, 
-    165, 174, 1, 235, 147, 174, 1, 235, 120, 174, 1, 227, 169, 174, 1, 215, 
-    157, 174, 1, 215, 145, 174, 1, 248, 143, 174, 1, 248, 127, 174, 1, 228, 
-    115, 174, 1, 217, 106, 174, 1, 216, 209, 174, 1, 248, 229, 174, 1, 248, 
-    33, 174, 1, 198, 174, 1, 191, 174, 1, 225, 150, 174, 1, 252, 199, 174, 1, 
-    252, 26, 174, 1, 186, 174, 1, 192, 174, 1, 205, 174, 1, 233, 141, 174, 1, 
-    232, 190, 174, 1, 214, 27, 174, 1, 220, 104, 174, 1, 218, 225, 174, 1, 
-    206, 174, 1, 162, 174, 25, 5, 255, 82, 174, 25, 5, 74, 174, 25, 5, 236, 
-    40, 174, 25, 5, 69, 174, 25, 5, 214, 118, 174, 25, 5, 149, 153, 174, 25, 
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-    25, 5, 76, 174, 25, 5, 254, 210, 174, 25, 5, 78, 174, 25, 5, 253, 200, 
-    174, 5, 213, 152, 174, 5, 253, 183, 174, 5, 235, 108, 174, 5, 214, 161, 
-    174, 226, 208, 174, 248, 186, 174, 52, 248, 186, 174, 255, 30, 50, 174, 
-    220, 139, 174, 21, 210, 86, 174, 21, 111, 174, 21, 105, 174, 21, 158, 
-    174, 21, 161, 174, 21, 190, 174, 21, 195, 174, 21, 199, 174, 21, 196, 
-    174, 21, 201, 217, 70, 1, 61, 217, 70, 1, 255, 82, 217, 70, 1, 74, 217, 
-    70, 1, 236, 40, 217, 70, 1, 69, 217, 70, 1, 214, 118, 217, 70, 1, 76, 
-    217, 70, 1, 254, 210, 217, 70, 1, 78, 217, 70, 1, 253, 200, 217, 70, 1, 
-    176, 217, 70, 1, 234, 138, 217, 70, 1, 243, 142, 217, 70, 1, 243, 0, 217, 
-    70, 1, 229, 82, 217, 70, 1, 251, 41, 217, 70, 1, 250, 165, 217, 70, 1, 
-    235, 147, 217, 70, 1, 235, 120, 217, 70, 1, 227, 169, 217, 70, 1, 215, 
-    157, 217, 70, 1, 215, 145, 217, 70, 1, 248, 143, 217, 70, 1, 248, 127, 
-    217, 70, 1, 228, 115, 217, 70, 1, 217, 106, 217, 70, 1, 216, 209, 217, 
-    70, 1, 248, 229, 217, 70, 1, 248, 33, 217, 70, 1, 198, 217, 70, 1, 191, 
-    217, 70, 1, 225, 150, 217, 70, 1, 252, 199, 217, 70, 1, 252, 26, 217, 70, 
-    1, 186, 217, 70, 1, 192, 217, 70, 1, 205, 217, 70, 1, 233, 141, 217, 70, 
-    1, 214, 27, 217, 70, 1, 220, 104, 217, 70, 1, 206, 217, 70, 1, 162, 217, 
-    70, 1, 222, 181, 217, 70, 5, 254, 83, 217, 70, 5, 213, 147, 217, 70, 25, 
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-    69, 217, 70, 25, 5, 214, 118, 217, 70, 25, 5, 76, 217, 70, 25, 5, 254, 
-    210, 217, 70, 25, 5, 78, 217, 70, 25, 5, 253, 200, 217, 70, 5, 213, 152, 
-    217, 70, 5, 227, 209, 217, 70, 21, 210, 86, 217, 70, 21, 111, 217, 70, 
-    21, 105, 217, 70, 21, 158, 217, 70, 21, 161, 217, 70, 21, 190, 217, 70, 
-    21, 195, 217, 70, 21, 199, 217, 70, 21, 196, 217, 70, 21, 201, 15, 5, 61, 
-    15, 5, 116, 30, 61, 15, 5, 116, 30, 252, 184, 15, 5, 116, 30, 243, 112, 
-    216, 240, 15, 5, 116, 30, 162, 15, 5, 116, 30, 236, 42, 15, 5, 116, 30, 
-    233, 122, 242, 101, 15, 5, 116, 30, 230, 66, 15, 5, 116, 30, 222, 23, 15, 
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-    30, 246, 75, 242, 101, 15, 5, 255, 35, 30, 243, 125, 15, 5, 255, 35, 30, 
-    243, 112, 216, 240, 15, 5, 255, 35, 30, 162, 15, 5, 255, 35, 30, 236, 43, 
-    242, 101, 15, 5, 255, 35, 30, 236, 16, 15, 5, 255, 35, 30, 233, 123, 15, 
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-    255, 35, 242, 101, 15, 5, 255, 32, 15, 5, 255, 33, 30, 252, 168, 15, 5, 
-    255, 33, 30, 243, 112, 216, 240, 15, 5, 255, 33, 30, 231, 97, 96, 245, 
-    158, 15, 5, 255, 33, 30, 220, 102, 15, 5, 255, 33, 30, 217, 73, 15, 5, 
-    255, 8, 15, 5, 254, 195, 15, 5, 254, 196, 30, 245, 95, 15, 5, 254, 196, 
-    30, 220, 12, 96, 242, 197, 15, 5, 254, 187, 15, 5, 254, 188, 30, 254, 
-    187, 15, 5, 254, 188, 30, 247, 224, 15, 5, 254, 188, 30, 242, 197, 15, 5, 
-    254, 188, 30, 162, 15, 5, 254, 188, 30, 235, 5, 15, 5, 254, 188, 30, 234, 
-    98, 15, 5, 254, 188, 30, 220, 65, 15, 5, 254, 188, 30, 214, 126, 15, 5, 
-    254, 184, 15, 5, 254, 177, 15, 5, 254, 140, 15, 5, 254, 141, 30, 220, 65, 
-    15, 5, 254, 131, 15, 5, 254, 132, 115, 254, 131, 15, 5, 254, 132, 134, 
-    216, 86, 15, 5, 254, 132, 96, 229, 222, 226, 168, 254, 132, 96, 229, 221, 
-    15, 5, 254, 132, 96, 229, 222, 218, 235, 15, 5, 254, 102, 15, 5, 254, 75, 
-    15, 5, 254, 43, 15, 5, 254, 44, 30, 233, 202, 15, 5, 254, 16, 15, 5, 253, 
-    244, 15, 5, 253, 239, 15, 5, 253, 240, 210, 40, 216, 240, 15, 5, 253, 
-    240, 235, 9, 216, 240, 15, 5, 253, 240, 115, 253, 240, 215, 115, 115, 
-    215, 115, 215, 115, 115, 215, 115, 226, 25, 15, 5, 253, 240, 115, 253, 
-    240, 115, 253, 239, 15, 5, 253, 240, 115, 253, 240, 115, 253, 240, 249, 
-    133, 253, 240, 115, 253, 240, 115, 253, 239, 15, 5, 253, 237, 15, 5, 253, 
-    234, 15, 5, 252, 199, 15, 5, 252, 184, 15, 5, 252, 179, 15, 5, 252, 175, 
-    15, 5, 252, 169, 15, 5, 252, 170, 115, 252, 169, 15, 5, 252, 168, 15, 5, 
-    130, 15, 5, 252, 148, 15, 5, 252, 14, 15, 5, 252, 15, 30, 61, 15, 5, 252, 
-    15, 30, 243, 103, 15, 5, 252, 15, 30, 236, 43, 242, 101, 15, 5, 251, 133, 
-    15, 5, 251, 134, 115, 251, 134, 255, 34, 15, 5, 251, 134, 115, 251, 134, 
-    214, 190, 15, 5, 251, 134, 249, 133, 251, 133, 15, 5, 251, 117, 15, 5, 
-    251, 118, 115, 251, 117, 15, 5, 251, 106, 15, 5, 251, 105, 15, 5, 248, 
-    229, 15, 5, 248, 220, 15, 5, 248, 221, 234, 72, 30, 116, 96, 231, 152, 
-    15, 5, 248, 221, 234, 72, 30, 254, 140, 15, 5, 248, 221, 234, 72, 30, 
-    252, 168, 15, 5, 248, 221, 234, 72, 30, 252, 14, 15, 5, 248, 221, 234, 
-    72, 30, 243, 142, 15, 5, 248, 221, 234, 72, 30, 243, 143, 96, 231, 152, 
-    15, 5, 248, 221, 234, 72, 30, 242, 221, 15, 5, 248, 221, 234, 72, 30, 
-    242, 204, 15, 5, 248, 221, 234, 72, 30, 242, 110, 15, 5, 248, 221, 234, 
-    72, 30, 162, 15, 5, 248, 221, 234, 72, 30, 235, 186, 15, 5, 248, 221, 
-    234, 72, 30, 235, 187, 96, 232, 103, 15, 5, 248, 221, 234, 72, 30, 234, 
-    248, 15, 5, 248, 221, 234, 72, 30, 233, 141, 15, 5, 248, 221, 234, 72, 
-    30, 232, 103, 15, 5, 248, 221, 234, 72, 30, 232, 104, 96, 231, 151, 15, 
-    5, 248, 221, 234, 72, 30, 232, 89, 15, 5, 248, 221, 234, 72, 30, 229, 
-    112, 15, 5, 248, 221, 234, 72, 30, 226, 26, 96, 226, 25, 15, 5, 248, 221, 
-    234, 72, 30, 219, 193, 15, 5, 248, 221, 234, 72, 30, 217, 73, 15, 5, 248, 
-    221, 234, 72, 30, 214, 231, 96, 242, 204, 15, 5, 248, 221, 234, 72, 30, 
-    214, 126, 15, 5, 248, 195, 15, 5, 248, 174, 15, 5, 248, 173, 15, 5, 248, 
-    172, 15, 5, 248, 11, 15, 5, 247, 250, 15, 5, 247, 225, 15, 5, 247, 226, 
-    30, 220, 65, 15, 5, 247, 224, 15, 5, 247, 214, 15, 5, 247, 215, 234, 214, 
-    104, 242, 102, 247, 195, 15, 5, 247, 195, 15, 5, 246, 86, 15, 5, 246, 87, 
-    115, 246, 86, 15, 5, 246, 87, 242, 101, 15, 5, 246, 87, 220, 47, 15, 5, 
-    246, 84, 15, 5, 246, 85, 30, 245, 80, 15, 5, 246, 83, 15, 5, 246, 82, 15, 
-    5, 246, 81, 15, 5, 246, 80, 15, 5, 246, 76, 15, 5, 246, 74, 15, 5, 246, 
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-    227, 194, 255, 33, 30, 246, 82, 15, 5, 227, 194, 255, 33, 30, 242, 110, 
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-    227, 194, 255, 33, 30, 214, 230, 15, 5, 227, 194, 234, 72, 30, 252, 14, 
-    15, 5, 227, 194, 234, 72, 30, 252, 15, 69, 15, 5, 191, 15, 5, 226, 84, 
-    15, 5, 226, 51, 15, 5, 226, 25, 15, 5, 225, 164, 15, 5, 225, 111, 15, 5, 
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-    112, 30, 74, 15, 5, 225, 112, 30, 240, 122, 15, 5, 225, 112, 30, 69, 15, 
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-    225, 56, 15, 5, 225, 57, 30, 234, 244, 15, 5, 225, 57, 30, 214, 219, 15, 
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-    240, 114, 49, 28, 16, 243, 243, 247, 252, 248, 11, 49, 28, 16, 243, 243, 
-    219, 104, 247, 251, 248, 11, 49, 28, 16, 243, 243, 247, 252, 234, 188, 
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-    228, 239, 234, 202, 49, 28, 16, 243, 243, 247, 252, 228, 239, 254, 104, 
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-    214, 9, 49, 28, 16, 243, 243, 219, 104, 250, 81, 217, 180, 49, 28, 16, 
-    243, 243, 229, 102, 49, 28, 16, 250, 82, 209, 249, 49, 28, 16, 250, 82, 
-    234, 42, 49, 28, 16, 250, 82, 219, 11, 49, 28, 16, 243, 243, 240, 161, 
-    211, 10, 216, 230, 49, 28, 16, 243, 243, 245, 157, 254, 94, 49, 28, 16, 
-    211, 10, 215, 207, 49, 28, 16, 247, 246, 215, 207, 49, 28, 16, 247, 246, 
-    216, 230, 49, 28, 16, 247, 246, 254, 73, 246, 50, 247, 147, 49, 28, 16, 
-    247, 246, 230, 146, 216, 234, 247, 147, 49, 28, 16, 247, 246, 247, 230, 
-    245, 44, 247, 147, 49, 28, 16, 247, 246, 215, 215, 226, 215, 247, 147, 
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-    230, 146, 216, 234, 247, 147, 49, 28, 16, 211, 10, 247, 230, 245, 44, 
-    247, 147, 49, 28, 16, 211, 10, 215, 215, 226, 215, 247, 147, 49, 28, 16, 
-    243, 56, 247, 245, 49, 28, 16, 243, 56, 211, 9, 49, 28, 16, 247, 253, 
-    254, 73, 230, 204, 49, 28, 16, 247, 253, 254, 73, 231, 78, 49, 28, 16, 
-    247, 253, 247, 209, 49, 28, 16, 247, 253, 216, 183, 49, 28, 16, 219, 165, 
-    216, 183, 49, 28, 16, 219, 165, 216, 184, 247, 194, 49, 28, 16, 219, 165, 
-    216, 184, 215, 208, 49, 28, 16, 219, 165, 216, 184, 216, 223, 49, 28, 16, 
-    219, 165, 253, 252, 49, 28, 16, 219, 165, 253, 253, 247, 194, 49, 28, 16, 
-    219, 165, 253, 253, 215, 208, 49, 28, 16, 219, 165, 253, 253, 216, 223, 
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-    16, 218, 139, 49, 28, 16, 254, 15, 191, 49, 28, 16, 254, 15, 213, 124, 
-    49, 28, 16, 254, 15, 243, 142, 49, 28, 16, 254, 15, 248, 11, 49, 28, 16, 
-    254, 15, 234, 188, 49, 28, 16, 254, 15, 210, 23, 49, 28, 16, 254, 15, 
-    228, 238, 49, 28, 16, 234, 168, 229, 101, 231, 49, 49, 28, 16, 234, 169, 
-    229, 101, 231, 49, 49, 28, 16, 234, 168, 229, 101, 234, 202, 49, 28, 16, 
-    234, 169, 229, 101, 234, 202, 49, 28, 16, 234, 44, 234, 202, 49, 28, 16, 
-    242, 166, 229, 101, 234, 202, 28, 16, 219, 157, 252, 143, 28, 16, 52, 
-    252, 143, 28, 16, 40, 252, 143, 28, 16, 223, 53, 40, 252, 143, 28, 16, 
-    248, 163, 252, 143, 28, 16, 219, 253, 252, 143, 28, 16, 43, 223, 80, 50, 
-    28, 16, 44, 223, 80, 50, 28, 16, 223, 80, 247, 126, 28, 16, 248, 204, 
-    221, 165, 28, 16, 248, 230, 251, 1, 28, 16, 221, 165, 28, 16, 249, 242, 
-    28, 16, 223, 78, 244, 119, 28, 16, 223, 78, 244, 118, 28, 16, 223, 78, 
-    244, 117, 28, 16, 244, 139, 28, 16, 244, 140, 51, 28, 16, 251, 156, 79, 
-    28, 16, 251, 32, 28, 16, 251, 167, 28, 16, 127, 28, 16, 226, 197, 218, 
-    165, 28, 16, 215, 57, 218, 165, 28, 16, 216, 143, 218, 165, 28, 16, 244, 
-    18, 218, 165, 28, 16, 244, 88, 218, 165, 28, 16, 219, 126, 218, 165, 28, 
-    16, 219, 124, 244, 2, 28, 16, 244, 16, 244, 2, 28, 16, 243, 210, 250, 22, 
-    28, 16, 243, 210, 250, 23, 226, 140, 254, 150, 28, 16, 243, 210, 250, 23, 
-    226, 140, 252, 130, 28, 16, 251, 75, 250, 22, 28, 16, 245, 15, 250, 22, 
-    28, 16, 245, 15, 250, 23, 226, 140, 254, 150, 28, 16, 245, 15, 250, 23, 
-    226, 140, 252, 130, 28, 16, 246, 91, 250, 21, 28, 16, 246, 91, 250, 20, 
-    28, 16, 230, 90, 231, 95, 223, 64, 28, 16, 52, 220, 77, 28, 16, 52, 244, 
-    73, 28, 16, 244, 74, 214, 163, 28, 16, 244, 74, 246, 114, 28, 16, 229, 
-    193, 214, 163, 28, 16, 229, 193, 246, 114, 28, 16, 220, 78, 214, 163, 28, 
-    16, 220, 78, 246, 114, 28, 16, 224, 25, 138, 220, 77, 28, 16, 224, 25, 
-    138, 244, 73, 28, 16, 249, 224, 216, 88, 28, 16, 249, 93, 216, 88, 28, 
-    16, 226, 140, 254, 150, 28, 16, 226, 140, 252, 130, 28, 16, 224, 7, 254, 
-    150, 28, 16, 224, 7, 252, 130, 28, 16, 230, 93, 223, 64, 28, 16, 211, 
-    251, 223, 64, 28, 16, 163, 223, 64, 28, 16, 224, 25, 223, 64, 28, 16, 
-    245, 197, 223, 64, 28, 16, 219, 120, 223, 64, 28, 16, 216, 161, 223, 64, 
-    28, 16, 219, 112, 223, 64, 28, 16, 123, 240, 218, 215, 71, 223, 64, 28, 
-    16, 211, 179, 228, 48, 28, 16, 96, 228, 48, 28, 16, 250, 44, 211, 179, 
-    228, 48, 28, 16, 42, 228, 49, 211, 253, 28, 16, 42, 228, 49, 251, 229, 
-    28, 16, 215, 227, 228, 49, 120, 211, 253, 28, 16, 215, 227, 228, 49, 120, 
-    251, 229, 28, 16, 215, 227, 228, 49, 43, 211, 253, 28, 16, 215, 227, 228, 
-    49, 43, 251, 229, 28, 16, 215, 227, 228, 49, 44, 211, 253, 28, 16, 215, 
-    227, 228, 49, 44, 251, 229, 28, 16, 215, 227, 228, 49, 124, 211, 253, 28, 
-    16, 215, 227, 228, 49, 124, 251, 229, 28, 16, 215, 227, 228, 49, 120, 44, 
-    211, 253, 28, 16, 215, 227, 228, 49, 120, 44, 251, 229, 28, 16, 230, 134, 
-    228, 49, 211, 253, 28, 16, 230, 134, 228, 49, 251, 229, 28, 16, 215, 224, 
-    228, 49, 124, 211, 253, 28, 16, 215, 224, 228, 49, 124, 251, 229, 28, 16, 
-    226, 8, 228, 48, 28, 16, 213, 132, 228, 48, 28, 16, 228, 49, 251, 229, 
-    28, 16, 227, 207, 228, 48, 28, 16, 249, 249, 228, 49, 211, 253, 28, 16, 
-    249, 249, 228, 49, 251, 229, 28, 16, 251, 154, 28, 16, 211, 251, 228, 52, 
-    28, 16, 163, 228, 52, 28, 16, 224, 25, 228, 52, 28, 16, 245, 197, 228, 
-    52, 28, 16, 219, 120, 228, 52, 28, 16, 216, 161, 228, 52, 28, 16, 219, 
-    112, 228, 52, 28, 16, 123, 240, 218, 215, 71, 228, 52, 28, 16, 38, 218, 
-    141, 28, 16, 38, 218, 242, 218, 141, 28, 16, 38, 215, 235, 28, 16, 38, 
-    215, 234, 28, 16, 38, 215, 233, 28, 16, 244, 109, 215, 235, 28, 16, 244, 
-    109, 215, 234, 28, 16, 244, 109, 215, 233, 28, 16, 38, 253, 197, 247, 
-    128, 28, 16, 38, 244, 80, 28, 16, 38, 244, 79, 28, 16, 38, 244, 78, 28, 
-    16, 38, 244, 77, 28, 16, 38, 244, 76, 28, 16, 252, 66, 252, 82, 28, 16, 
-    245, 151, 252, 82, 28, 16, 252, 66, 216, 112, 28, 16, 245, 151, 216, 112, 
-    28, 16, 252, 66, 219, 82, 28, 16, 245, 151, 219, 82, 28, 16, 252, 66, 
-    225, 118, 28, 16, 245, 151, 225, 118, 28, 16, 38, 255, 23, 28, 16, 38, 
-    218, 167, 28, 16, 38, 216, 239, 28, 16, 38, 218, 168, 28, 16, 38, 231, 
-    167, 28, 16, 38, 231, 166, 28, 16, 38, 255, 22, 28, 16, 38, 232, 118, 28, 
-    16, 254, 6, 214, 163, 28, 16, 254, 6, 246, 114, 28, 16, 38, 247, 143, 28, 
-    16, 38, 222, 234, 28, 16, 38, 244, 66, 28, 16, 38, 219, 78, 28, 16, 38, 
-    252, 46, 28, 16, 38, 52, 216, 20, 28, 16, 38, 215, 212, 216, 20, 28, 16, 
-    222, 238, 28, 16, 218, 76, 28, 16, 210, 159, 28, 16, 225, 110, 28, 16, 
-    231, 30, 28, 16, 244, 25, 28, 16, 249, 146, 28, 16, 248, 86, 28, 16, 242, 
-    157, 228, 53, 219, 97, 28, 16, 242, 157, 228, 53, 228, 80, 219, 97, 28, 
-    16, 216, 1, 28, 16, 215, 95, 28, 16, 235, 200, 215, 95, 28, 16, 215, 96, 
-    219, 97, 28, 16, 215, 96, 214, 163, 28, 16, 226, 152, 218, 104, 28, 16, 
-    226, 152, 218, 101, 28, 16, 226, 152, 218, 100, 28, 16, 226, 152, 218, 
-    99, 28, 16, 226, 152, 218, 98, 28, 16, 226, 152, 218, 97, 28, 16, 226, 
-    152, 218, 96, 28, 16, 226, 152, 218, 95, 28, 16, 226, 152, 218, 94, 28, 
-    16, 226, 152, 218, 103, 28, 16, 226, 152, 218, 102, 28, 16, 241, 252, 28, 
-    16, 229, 110, 28, 16, 245, 151, 64, 218, 135, 28, 16, 248, 79, 219, 97, 
-    28, 16, 38, 124, 251, 177, 28, 16, 38, 120, 251, 177, 28, 16, 38, 242, 7, 
-    28, 16, 38, 219, 69, 225, 46, 28, 16, 225, 219, 79, 28, 16, 225, 219, 
-    120, 79, 28, 16, 163, 225, 219, 79, 28, 16, 242, 189, 214, 163, 28, 16, 
-    242, 189, 246, 114, 28, 16, 2, 244, 108, 28, 16, 248, 188, 28, 16, 248, 
-    189, 254, 163, 28, 16, 231, 138, 28, 16, 232, 135, 28, 16, 251, 151, 28, 
-    16, 220, 156, 211, 253, 28, 16, 220, 156, 251, 229, 28, 16, 230, 189, 28, 
-    16, 230, 190, 251, 229, 28, 16, 220, 150, 211, 253, 28, 16, 220, 150, 
-    251, 229, 28, 16, 243, 227, 211, 253, 28, 16, 243, 227, 251, 229, 28, 16, 
-    232, 136, 225, 183, 223, 64, 28, 16, 232, 136, 236, 11, 223, 64, 28, 16, 
-    251, 152, 223, 64, 28, 16, 220, 156, 223, 64, 28, 16, 230, 190, 223, 64, 
-    28, 16, 220, 150, 223, 64, 28, 16, 216, 250, 225, 181, 249, 115, 224, 
-    177, 225, 182, 28, 16, 216, 250, 225, 181, 249, 115, 224, 177, 236, 10, 
-    28, 16, 216, 250, 225, 181, 249, 115, 224, 177, 225, 183, 247, 219, 28, 
-    16, 216, 250, 236, 9, 249, 115, 224, 177, 225, 182, 28, 16, 216, 250, 
-    236, 9, 249, 115, 224, 177, 236, 10, 28, 16, 216, 250, 236, 9, 249, 115, 
-    224, 177, 236, 11, 247, 219, 28, 16, 216, 250, 236, 9, 249, 115, 224, 
-    177, 236, 11, 247, 218, 28, 16, 216, 250, 236, 9, 249, 115, 224, 177, 
-    236, 11, 247, 217, 28, 16, 249, 141, 28, 16, 242, 133, 251, 75, 250, 22, 
-    28, 16, 242, 133, 245, 15, 250, 22, 28, 16, 42, 253, 166, 28, 16, 213, 
-    151, 28, 16, 225, 17, 28, 16, 250, 13, 28, 16, 221, 205, 28, 16, 250, 17, 
-    28, 16, 216, 8, 28, 16, 224, 245, 28, 16, 224, 246, 244, 68, 28, 16, 221, 
-    206, 244, 68, 28, 16, 216, 9, 223, 61, 28, 16, 225, 166, 218, 67, 26, 
-    213, 137, 189, 217, 230, 26, 213, 137, 189, 217, 219, 26, 213, 137, 189, 
-    217, 209, 26, 213, 137, 189, 217, 202, 26, 213, 137, 189, 217, 194, 26, 
-    213, 137, 189, 217, 188, 26, 213, 137, 189, 217, 187, 26, 213, 137, 189, 
-    217, 186, 26, 213, 137, 189, 217, 185, 26, 213, 137, 189, 217, 229, 26, 
-    213, 137, 189, 217, 228, 26, 213, 137, 189, 217, 227, 26, 213, 137, 189, 
-    217, 226, 26, 213, 137, 189, 217, 225, 26, 213, 137, 189, 217, 224, 26, 
-    213, 137, 189, 217, 223, 26, 213, 137, 189, 217, 222, 26, 213, 137, 189, 
-    217, 221, 26, 213, 137, 189, 217, 220, 26, 213, 137, 189, 217, 218, 26, 
-    213, 137, 189, 217, 217, 26, 213, 137, 189, 217, 216, 26, 213, 137, 189, 
-    217, 215, 26, 213, 137, 189, 217, 214, 26, 213, 137, 189, 217, 193, 26, 
-    213, 137, 189, 217, 192, 26, 213, 137, 189, 217, 191, 26, 213, 137, 189, 
-    217, 190, 26, 213, 137, 189, 217, 189, 26, 235, 221, 189, 217, 230, 26, 
-    235, 221, 189, 217, 219, 26, 235, 221, 189, 217, 202, 26, 235, 221, 189, 
-    217, 194, 26, 235, 221, 189, 217, 187, 26, 235, 221, 189, 217, 186, 26, 
-    235, 221, 189, 217, 228, 26, 235, 221, 189, 217, 227, 26, 235, 221, 189, 
-    217, 226, 26, 235, 221, 189, 217, 225, 26, 235, 221, 189, 217, 222, 26, 
-    235, 221, 189, 217, 221, 26, 235, 221, 189, 217, 220, 26, 235, 221, 189, 
-    217, 215, 26, 235, 221, 189, 217, 214, 26, 235, 221, 189, 217, 213, 26, 
-    235, 221, 189, 217, 212, 26, 235, 221, 189, 217, 211, 26, 235, 221, 189, 
-    217, 210, 26, 235, 221, 189, 217, 208, 26, 235, 221, 189, 217, 207, 26, 
-    235, 221, 189, 217, 206, 26, 235, 221, 189, 217, 205, 26, 235, 221, 189, 
-    217, 204, 26, 235, 221, 189, 217, 203, 26, 235, 221, 189, 217, 201, 26, 
-    235, 221, 189, 217, 200, 26, 235, 221, 189, 217, 199, 26, 235, 221, 189, 
-    217, 198, 26, 235, 221, 189, 217, 197, 26, 235, 221, 189, 217, 196, 26, 
-    235, 221, 189, 217, 195, 26, 235, 221, 189, 217, 193, 26, 235, 221, 189, 
-    217, 192, 26, 235, 221, 189, 217, 191, 26, 235, 221, 189, 217, 190, 26, 
-    235, 221, 189, 217, 189, 38, 26, 28, 215, 209, 38, 26, 28, 216, 224, 38, 
-    26, 28, 225, 191, 26, 28, 233, 37, 230, 147, 31, 245, 231, 247, 232, 31, 
-    241, 229, 245, 231, 247, 232, 31, 240, 221, 245, 231, 247, 232, 31, 245, 
-    230, 241, 230, 247, 232, 31, 245, 230, 240, 220, 247, 232, 31, 245, 231, 
-    180, 31, 250, 182, 180, 31, 243, 236, 250, 43, 180, 31, 230, 182, 180, 
-    31, 252, 138, 180, 31, 234, 185, 219, 81, 180, 31, 249, 187, 180, 31, 
-    253, 241, 180, 31, 226, 167, 180, 31, 251, 161, 226, 134, 180, 31, 248, 
-    81, 177, 247, 187, 180, 31, 247, 184, 180, 31, 210, 222, 180, 31, 235, 
-    254, 180, 31, 225, 200, 180, 31, 223, 130, 180, 31, 249, 197, 180, 31, 
-    241, 67, 252, 192, 180, 31, 212, 59, 180, 31, 244, 47, 180, 31, 254, 255, 
-    180, 31, 223, 92, 180, 31, 223, 68, 180, 31, 245, 229, 180, 31, 235, 59, 
-    180, 31, 249, 192, 180, 31, 245, 150, 180, 31, 246, 60, 180, 31, 250, 
-    153, 180, 31, 248, 90, 180, 31, 23, 223, 67, 180, 31, 226, 85, 180, 31, 
-    233, 40, 180, 31, 250, 6, 180, 31, 234, 83, 180, 31, 243, 93, 180, 31, 
-    218, 114, 180, 31, 224, 133, 180, 31, 243, 235, 180, 31, 223, 69, 180, 
-    31, 233, 77, 177, 230, 162, 180, 31, 223, 65, 180, 31, 242, 175, 216, 43, 
-    231, 81, 180, 31, 245, 152, 180, 31, 218, 126, 180, 31, 242, 135, 180, 
-    31, 245, 144, 180, 31, 225, 239, 180, 31, 222, 228, 180, 31, 244, 67, 
-    180, 31, 214, 8, 177, 212, 44, 180, 31, 249, 201, 180, 31, 231, 94, 180, 
-    31, 245, 69, 180, 31, 214, 172, 180, 31, 247, 220, 180, 31, 250, 8, 230, 
-    115, 180, 31, 242, 113, 180, 31, 243, 94, 236, 6, 180, 31, 231, 146, 180, 
-    31, 255, 19, 180, 31, 245, 165, 180, 31, 246, 117, 180, 31, 212, 42, 180, 
-    31, 219, 152, 180, 31, 235, 229, 180, 31, 248, 50, 180, 31, 248, 168, 
-    180, 31, 247, 216, 180, 31, 245, 37, 180, 31, 220, 117, 180, 31, 218, 
-    130, 180, 31, 242, 9, 180, 31, 249, 220, 180, 31, 250, 3, 180, 31, 244, 
-    185, 180, 31, 254, 221, 180, 31, 249, 219, 180, 31, 226, 201, 216, 197, 
-    213, 242, 180, 31, 247, 240, 180, 31, 233, 130, 180, 31, 244, 21, 249, 
-    157, 222, 204, 214, 174, 21, 111, 249, 157, 222, 204, 214, 174, 21, 105, 
-    249, 157, 222, 204, 214, 174, 21, 158, 249, 157, 222, 204, 214, 174, 21, 
-    161, 249, 157, 222, 204, 214, 174, 21, 190, 249, 157, 222, 204, 214, 174, 
-    21, 195, 249, 157, 222, 204, 214, 174, 21, 199, 249, 157, 222, 204, 214, 
-    174, 21, 196, 249, 157, 222, 204, 214, 174, 21, 201, 249, 157, 222, 204, 
-    216, 244, 21, 111, 249, 157, 222, 204, 216, 244, 21, 105, 249, 157, 222, 
-    204, 216, 244, 21, 158, 249, 157, 222, 204, 216, 244, 21, 161, 249, 157, 
-    222, 204, 216, 244, 21, 190, 249, 157, 222, 204, 216, 244, 21, 195, 249, 
-    157, 222, 204, 216, 244, 21, 199, 249, 157, 222, 204, 216, 244, 21, 196, 
-    249, 157, 222, 204, 216, 244, 21, 201, 11, 23, 6, 61, 11, 23, 6, 253, 
-    166, 11, 23, 6, 251, 74, 11, 23, 6, 249, 68, 11, 23, 6, 76, 11, 23, 6, 
-    245, 14, 11, 23, 6, 243, 209, 11, 23, 6, 242, 67, 11, 23, 6, 74, 11, 23, 
-    6, 235, 150, 11, 23, 6, 235, 29, 11, 23, 6, 156, 11, 23, 6, 194, 11, 23, 
-    6, 230, 30, 11, 23, 6, 78, 11, 23, 6, 226, 109, 11, 23, 6, 224, 99, 11, 
-    23, 6, 153, 11, 23, 6, 222, 93, 11, 23, 6, 217, 153, 11, 23, 6, 69, 11, 
-    23, 6, 214, 105, 11, 23, 6, 212, 98, 11, 23, 6, 211, 178, 11, 23, 6, 211, 
-    117, 11, 23, 6, 210, 159, 11, 23, 4, 61, 11, 23, 4, 253, 166, 11, 23, 4, 
-    251, 74, 11, 23, 4, 249, 68, 11, 23, 4, 76, 11, 23, 4, 245, 14, 11, 23, 
-    4, 243, 209, 11, 23, 4, 242, 67, 11, 23, 4, 74, 11, 23, 4, 235, 150, 11, 
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-    233, 104, 11, 32, 6, 230, 107, 11, 32, 6, 227, 242, 11, 32, 6, 211, 157, 
-    11, 32, 6, 226, 203, 11, 32, 6, 225, 111, 11, 32, 6, 223, 40, 11, 32, 6, 
-    216, 181, 87, 11, 32, 6, 219, 179, 11, 32, 6, 217, 42, 11, 32, 6, 214, 
-    157, 11, 32, 6, 225, 136, 11, 32, 6, 250, 118, 11, 32, 6, 224, 164, 11, 
-    32, 6, 226, 205, 11, 32, 229, 226, 11, 32, 4, 254, 151, 11, 32, 4, 252, 
-    34, 11, 32, 4, 243, 114, 11, 32, 4, 248, 62, 11, 32, 4, 245, 108, 11, 32, 
-    4, 210, 85, 11, 32, 4, 245, 71, 11, 32, 4, 216, 180, 11, 32, 4, 235, 192, 
-    11, 32, 4, 234, 228, 11, 32, 4, 233, 104, 11, 32, 4, 230, 107, 11, 32, 4, 
-    227, 242, 11, 32, 4, 211, 157, 11, 32, 4, 226, 203, 11, 32, 4, 225, 111, 
-    11, 32, 4, 223, 40, 11, 32, 4, 40, 219, 179, 11, 32, 4, 219, 179, 11, 32, 
-    4, 217, 42, 11, 32, 4, 214, 157, 11, 32, 4, 225, 136, 11, 32, 4, 250, 
-    118, 11, 32, 4, 224, 164, 11, 32, 4, 226, 205, 11, 32, 226, 1, 247, 241, 
-    11, 32, 245, 109, 87, 11, 32, 216, 181, 87, 11, 32, 234, 229, 87, 11, 32, 
-    225, 137, 87, 11, 32, 223, 41, 87, 11, 32, 225, 112, 87, 11, 23, 32, 6, 
-    254, 151, 11, 23, 32, 6, 252, 34, 11, 23, 32, 6, 243, 114, 11, 23, 32, 6, 
-    248, 62, 11, 23, 32, 6, 245, 108, 11, 23, 32, 6, 210, 85, 11, 23, 32, 6, 
-    245, 71, 11, 23, 32, 6, 216, 180, 11, 23, 32, 6, 235, 192, 11, 23, 32, 6, 
-    234, 228, 11, 23, 32, 6, 233, 104, 11, 23, 32, 6, 230, 107, 11, 23, 32, 
-    6, 227, 242, 11, 23, 32, 6, 211, 157, 11, 23, 32, 6, 226, 203, 11, 23, 
-    32, 6, 225, 111, 11, 23, 32, 6, 223, 40, 11, 23, 32, 6, 216, 181, 87, 11, 
-    23, 32, 6, 219, 179, 11, 23, 32, 6, 217, 42, 11, 23, 32, 6, 214, 157, 11, 
-    23, 32, 6, 225, 136, 11, 23, 32, 6, 250, 118, 11, 23, 32, 6, 224, 164, 
-    11, 23, 32, 6, 226, 205, 11, 23, 32, 229, 226, 11, 23, 32, 4, 254, 151, 
-    11, 23, 32, 4, 252, 34, 11, 23, 32, 4, 243, 114, 11, 23, 32, 4, 248, 62, 
-    11, 23, 32, 4, 245, 108, 11, 23, 32, 4, 210, 85, 11, 23, 32, 4, 245, 71, 
-    11, 23, 32, 4, 216, 180, 11, 23, 32, 4, 235, 192, 11, 23, 32, 4, 234, 
-    228, 11, 23, 32, 4, 233, 104, 11, 23, 32, 4, 230, 107, 11, 23, 32, 4, 
-    227, 242, 11, 23, 32, 4, 211, 157, 11, 23, 32, 4, 226, 203, 11, 23, 32, 
-    4, 225, 111, 11, 23, 32, 4, 223, 40, 11, 23, 32, 4, 40, 219, 179, 11, 23, 
-    32, 4, 219, 179, 11, 23, 32, 4, 217, 42, 11, 23, 32, 4, 214, 157, 11, 23, 
-    32, 4, 225, 136, 11, 23, 32, 4, 250, 118, 11, 23, 32, 4, 224, 164, 11, 
-    23, 32, 4, 226, 205, 11, 23, 32, 226, 1, 247, 241, 11, 23, 32, 245, 109, 
-    87, 11, 23, 32, 216, 181, 87, 11, 23, 32, 234, 229, 87, 11, 23, 32, 225, 
-    137, 87, 11, 23, 32, 223, 41, 87, 11, 23, 32, 225, 112, 87, 11, 35, 23, 
-    6, 254, 151, 11, 35, 23, 6, 252, 34, 11, 35, 23, 6, 243, 114, 11, 35, 23, 
-    6, 248, 62, 11, 35, 23, 6, 245, 108, 11, 35, 23, 6, 210, 85, 11, 35, 23, 
-    6, 245, 71, 11, 35, 23, 6, 216, 180, 11, 35, 23, 6, 235, 192, 11, 35, 23, 
-    6, 234, 228, 11, 35, 23, 6, 233, 104, 11, 35, 23, 6, 230, 107, 11, 35, 
-    23, 6, 227, 242, 11, 35, 23, 6, 211, 157, 11, 35, 23, 6, 226, 203, 11, 
-    35, 23, 6, 225, 111, 11, 35, 23, 6, 223, 40, 11, 35, 23, 6, 216, 181, 87, 
-    11, 35, 23, 6, 219, 179, 11, 35, 23, 6, 217, 42, 11, 35, 23, 6, 214, 157, 
-    11, 35, 23, 6, 225, 136, 11, 35, 23, 6, 250, 118, 11, 35, 23, 6, 224, 
-    164, 11, 35, 23, 6, 226, 205, 11, 35, 23, 229, 226, 11, 35, 23, 4, 254, 
-    151, 11, 35, 23, 4, 252, 34, 11, 35, 23, 4, 243, 114, 11, 35, 23, 4, 248, 
-    62, 11, 35, 23, 4, 245, 108, 11, 35, 23, 4, 210, 85, 11, 35, 23, 4, 245, 
-    71, 11, 35, 23, 4, 216, 180, 11, 35, 23, 4, 235, 192, 11, 35, 23, 4, 234, 
-    228, 11, 35, 23, 4, 233, 104, 11, 35, 23, 4, 230, 107, 11, 35, 23, 4, 
-    227, 242, 11, 35, 23, 4, 211, 157, 11, 35, 23, 4, 226, 203, 11, 35, 23, 
-    4, 225, 111, 11, 35, 23, 4, 223, 40, 11, 35, 23, 4, 40, 219, 179, 11, 35, 
-    23, 4, 219, 179, 11, 35, 23, 4, 217, 42, 11, 35, 23, 4, 214, 157, 11, 35, 
-    23, 4, 225, 136, 11, 35, 23, 4, 250, 118, 11, 35, 23, 4, 224, 164, 11, 
-    35, 23, 4, 226, 205, 11, 35, 23, 226, 1, 247, 241, 11, 35, 23, 245, 109, 
-    87, 11, 35, 23, 216, 181, 87, 11, 35, 23, 234, 229, 87, 11, 35, 23, 225, 
-    137, 87, 11, 35, 23, 223, 41, 87, 11, 35, 23, 225, 112, 87, 11, 35, 23, 
-    32, 6, 254, 151, 11, 35, 23, 32, 6, 252, 34, 11, 35, 23, 32, 6, 243, 114, 
-    11, 35, 23, 32, 6, 248, 62, 11, 35, 23, 32, 6, 245, 108, 11, 35, 23, 32, 
-    6, 210, 85, 11, 35, 23, 32, 6, 245, 71, 11, 35, 23, 32, 6, 216, 180, 11, 
-    35, 23, 32, 6, 235, 192, 11, 35, 23, 32, 6, 234, 228, 11, 35, 23, 32, 6, 
-    233, 104, 11, 35, 23, 32, 6, 230, 107, 11, 35, 23, 32, 6, 227, 242, 11, 
-    35, 23, 32, 6, 211, 157, 11, 35, 23, 32, 6, 226, 203, 11, 35, 23, 32, 6, 
-    225, 111, 11, 35, 23, 32, 6, 223, 40, 11, 35, 23, 32, 6, 216, 181, 87, 
-    11, 35, 23, 32, 6, 219, 179, 11, 35, 23, 32, 6, 217, 42, 11, 35, 23, 32, 
-    6, 214, 157, 11, 35, 23, 32, 6, 225, 136, 11, 35, 23, 32, 6, 250, 118, 
-    11, 35, 23, 32, 6, 224, 164, 11, 35, 23, 32, 6, 226, 205, 11, 35, 23, 32, 
-    229, 226, 11, 35, 23, 32, 4, 254, 151, 11, 35, 23, 32, 4, 252, 34, 11, 
-    35, 23, 32, 4, 243, 114, 11, 35, 23, 32, 4, 248, 62, 11, 35, 23, 32, 4, 
-    245, 108, 11, 35, 23, 32, 4, 210, 85, 11, 35, 23, 32, 4, 245, 71, 11, 35, 
-    23, 32, 4, 216, 180, 11, 35, 23, 32, 4, 235, 192, 11, 35, 23, 32, 4, 234, 
-    228, 11, 35, 23, 32, 4, 233, 104, 11, 35, 23, 32, 4, 230, 107, 11, 35, 
-    23, 32, 4, 227, 242, 11, 35, 23, 32, 4, 211, 157, 11, 35, 23, 32, 4, 226, 
-    203, 11, 35, 23, 32, 4, 225, 111, 11, 35, 23, 32, 4, 223, 40, 11, 35, 23, 
-    32, 4, 40, 219, 179, 11, 35, 23, 32, 4, 219, 179, 11, 35, 23, 32, 4, 217, 
-    42, 11, 35, 23, 32, 4, 214, 157, 11, 35, 23, 32, 4, 225, 136, 11, 35, 23, 
-    32, 4, 250, 118, 11, 35, 23, 32, 4, 224, 164, 11, 35, 23, 32, 4, 226, 
-    205, 11, 35, 23, 32, 226, 1, 247, 241, 11, 35, 23, 32, 245, 109, 87, 11, 
-    35, 23, 32, 216, 181, 87, 11, 35, 23, 32, 234, 229, 87, 11, 35, 23, 32, 
-    225, 137, 87, 11, 35, 23, 32, 223, 41, 87, 11, 35, 23, 32, 225, 112, 87, 
-    11, 23, 6, 247, 235, 11, 23, 4, 247, 235, 11, 23, 21, 210, 86, 11, 23, 
-    21, 111, 11, 23, 21, 105, 11, 23, 21, 158, 11, 23, 21, 161, 11, 23, 21, 
-    190, 11, 23, 21, 195, 11, 23, 21, 199, 11, 23, 21, 196, 11, 23, 21, 201, 
-    11, 139, 21, 210, 86, 11, 139, 21, 111, 11, 139, 21, 105, 11, 139, 21, 
-    158, 11, 139, 21, 161, 11, 139, 21, 190, 11, 139, 21, 195, 11, 139, 21, 
-    199, 11, 139, 21, 196, 11, 139, 21, 201, 11, 35, 21, 210, 86, 11, 35, 21, 
-    111, 11, 35, 21, 105, 11, 35, 21, 158, 11, 35, 21, 161, 11, 35, 21, 190, 
-    11, 35, 21, 195, 11, 35, 21, 199, 11, 35, 21, 196, 11, 35, 21, 201, 11, 
-    35, 23, 21, 210, 86, 11, 35, 23, 21, 111, 11, 35, 23, 21, 105, 11, 35, 
-    23, 21, 158, 11, 35, 23, 21, 161, 11, 35, 23, 21, 190, 11, 35, 23, 21, 
-    195, 11, 35, 23, 21, 199, 11, 35, 23, 21, 196, 11, 35, 23, 21, 201, 11, 
-    230, 143, 21, 210, 86, 11, 230, 143, 21, 111, 11, 230, 143, 21, 105, 11, 
-    230, 143, 21, 158, 11, 230, 143, 21, 161, 11, 230, 143, 21, 190, 11, 230, 
-    143, 21, 195, 11, 230, 143, 21, 199, 11, 230, 143, 21, 196, 11, 230, 143, 
-    21, 201, 9, 11, 254, 179, 9, 11, 252, 62, 9, 11, 235, 129, 9, 11, 248, 
-    203, 9, 11, 212, 30, 9, 11, 210, 108, 9, 11, 242, 44, 9, 11, 217, 81, 9, 
-    11, 211, 43, 9, 11, 235, 0, 9, 11, 233, 108, 9, 11, 231, 83, 9, 11, 228, 
-    67, 9, 11, 221, 168, 9, 11, 254, 205, 9, 11, 244, 150, 9, 11, 222, 28, 9, 
-    11, 224, 84, 9, 11, 223, 98, 9, 11, 220, 61, 9, 11, 217, 8, 9, 11, 216, 
-    193, 9, 11, 234, 135, 9, 11, 216, 203, 9, 11, 248, 224, 9, 11, 210, 111, 
-    9, 11, 242, 251, 9, 11, 247, 127, 252, 62, 9, 11, 247, 127, 228, 67, 9, 
-    11, 247, 127, 244, 150, 9, 11, 247, 127, 224, 84, 9, 11, 65, 252, 62, 9, 
-    11, 65, 235, 129, 9, 11, 65, 241, 225, 9, 11, 65, 242, 44, 9, 11, 65, 
-    211, 43, 9, 11, 65, 235, 0, 9, 11, 65, 233, 108, 9, 11, 65, 231, 83, 9, 
-    11, 65, 228, 67, 9, 11, 65, 221, 168, 9, 11, 65, 254, 205, 9, 11, 65, 
-    244, 150, 9, 11, 65, 222, 28, 9, 11, 65, 224, 84, 9, 11, 65, 220, 61, 9, 
-    11, 65, 217, 8, 9, 11, 65, 216, 193, 9, 11, 65, 234, 135, 9, 11, 65, 248, 
-    224, 9, 11, 65, 242, 251, 9, 11, 217, 77, 235, 129, 9, 11, 217, 77, 242, 
-    44, 9, 11, 217, 77, 211, 43, 9, 11, 217, 77, 233, 108, 9, 11, 217, 77, 
-    228, 67, 9, 11, 217, 77, 221, 168, 9, 11, 217, 77, 254, 205, 9, 11, 217, 
-    77, 222, 28, 9, 11, 217, 77, 224, 84, 9, 11, 217, 77, 220, 61, 9, 11, 
-    217, 77, 234, 135, 9, 11, 217, 77, 248, 224, 9, 11, 217, 77, 242, 251, 9, 
-    11, 217, 77, 247, 127, 228, 67, 9, 11, 217, 77, 247, 127, 224, 84, 9, 11, 
-    218, 112, 252, 62, 9, 11, 218, 112, 235, 129, 9, 11, 218, 112, 241, 225, 
-    9, 11, 218, 112, 242, 44, 9, 11, 218, 112, 217, 81, 9, 11, 218, 112, 211, 
-    43, 9, 11, 218, 112, 235, 0, 9, 11, 218, 112, 231, 83, 9, 11, 218, 112, 
-    228, 67, 9, 11, 218, 112, 221, 168, 9, 11, 218, 112, 254, 205, 9, 11, 
-    218, 112, 244, 150, 9, 11, 218, 112, 222, 28, 9, 11, 218, 112, 224, 84, 
-    9, 11, 218, 112, 220, 61, 9, 11, 218, 112, 217, 8, 9, 11, 218, 112, 216, 
-    193, 9, 11, 218, 112, 234, 135, 9, 11, 218, 112, 248, 224, 9, 11, 218, 
-    112, 210, 111, 9, 11, 218, 112, 242, 251, 9, 11, 218, 112, 247, 127, 252, 
-    62, 9, 11, 218, 112, 247, 127, 244, 150, 9, 11, 232, 128, 254, 179, 9, 
-    11, 232, 128, 252, 62, 9, 11, 232, 128, 235, 129, 9, 11, 232, 128, 248, 
-    203, 9, 11, 232, 128, 241, 225, 9, 11, 232, 128, 212, 30, 9, 11, 232, 
-    128, 210, 108, 9, 11, 232, 128, 242, 44, 9, 11, 232, 128, 217, 81, 9, 11, 
-    232, 128, 211, 43, 9, 11, 232, 128, 233, 108, 9, 11, 232, 128, 231, 83, 
-    9, 11, 232, 128, 228, 67, 9, 11, 232, 128, 221, 168, 9, 11, 232, 128, 
-    254, 205, 9, 11, 232, 128, 244, 150, 9, 11, 232, 128, 222, 28, 9, 11, 
-    232, 128, 224, 84, 9, 11, 232, 128, 223, 98, 9, 11, 232, 128, 220, 61, 9, 
-    11, 232, 128, 217, 8, 9, 11, 232, 128, 216, 193, 9, 11, 232, 128, 234, 
-    135, 9, 11, 232, 128, 216, 203, 9, 11, 232, 128, 248, 224, 9, 11, 232, 
-    128, 210, 111, 9, 11, 232, 128, 242, 251, 9, 11, 139, 252, 62, 9, 11, 
-    139, 235, 129, 9, 11, 139, 248, 203, 9, 11, 139, 212, 30, 9, 11, 139, 
-    210, 108, 9, 11, 139, 242, 44, 9, 11, 139, 217, 81, 9, 11, 139, 211, 43, 
-    9, 11, 139, 233, 108, 9, 11, 139, 231, 83, 9, 11, 139, 228, 67, 9, 11, 
-    139, 221, 168, 9, 11, 139, 254, 205, 9, 11, 139, 244, 150, 9, 11, 139, 
-    222, 28, 9, 11, 139, 224, 84, 9, 11, 139, 223, 98, 9, 11, 139, 220, 61, 
-    9, 11, 139, 217, 8, 9, 11, 139, 216, 193, 9, 11, 139, 234, 135, 9, 11, 
-    139, 216, 203, 9, 11, 139, 248, 224, 9, 11, 139, 210, 111, 9, 11, 139, 
-    242, 251, 9, 11, 226, 172, 66, 2, 122, 2, 217, 44, 9, 11, 226, 172, 122, 
-    2, 248, 203, 231, 210, 86, 245, 228, 211, 239, 231, 210, 86, 219, 30, 
-    211, 239, 231, 210, 86, 212, 9, 211, 239, 231, 210, 86, 228, 61, 211, 
-    239, 231, 210, 86, 223, 114, 246, 104, 231, 210, 86, 242, 134, 246, 104, 
-    231, 210, 86, 71, 246, 104, 231, 210, 86, 123, 64, 250, 149, 231, 210, 
-    86, 113, 64, 250, 149, 231, 210, 86, 134, 64, 250, 149, 231, 210, 86, 
-    244, 19, 64, 250, 149, 231, 210, 86, 244, 89, 64, 250, 149, 231, 210, 86, 
-    219, 127, 64, 250, 149, 231, 210, 86, 220, 124, 64, 250, 149, 231, 210, 
-    86, 245, 201, 64, 250, 149, 231, 210, 86, 228, 205, 64, 250, 149, 231, 
-    210, 86, 123, 64, 252, 161, 231, 210, 86, 113, 64, 252, 161, 231, 210, 
-    86, 134, 64, 252, 161, 231, 210, 86, 244, 19, 64, 252, 161, 231, 210, 86, 
-    244, 89, 64, 252, 161, 231, 210, 86, 219, 127, 64, 252, 161, 231, 210, 
-    86, 220, 124, 64, 252, 161, 231, 210, 86, 245, 201, 64, 252, 161, 231, 
-    210, 86, 228, 205, 64, 252, 161, 231, 210, 86, 123, 64, 250, 42, 231, 
-    210, 86, 113, 64, 250, 42, 231, 210, 86, 134, 64, 250, 42, 231, 210, 86, 
-    244, 19, 64, 250, 42, 231, 210, 86, 244, 89, 64, 250, 42, 231, 210, 86, 
-    219, 127, 64, 250, 42, 231, 210, 86, 220, 124, 64, 250, 42, 231, 210, 86, 
-    245, 201, 64, 250, 42, 231, 210, 86, 228, 205, 64, 250, 42, 231, 210, 86, 
-    225, 28, 231, 210, 86, 226, 160, 231, 210, 86, 252, 162, 231, 210, 86, 
-    250, 78, 231, 210, 86, 218, 241, 231, 210, 86, 218, 40, 231, 210, 86, 
-    253, 187, 231, 210, 86, 211, 232, 231, 210, 86, 235, 68, 231, 210, 86, 
-    252, 192, 131, 86, 203, 252, 192, 131, 86, 241, 50, 131, 86, 241, 49, 
-    131, 86, 241, 48, 131, 86, 241, 47, 131, 86, 241, 46, 131, 86, 241, 45, 
-    131, 86, 241, 44, 131, 86, 241, 43, 131, 86, 241, 42, 131, 86, 241, 41, 
-    131, 86, 241, 40, 131, 86, 241, 39, 131, 86, 241, 38, 131, 86, 241, 37, 
-    131, 86, 241, 36, 131, 86, 241, 35, 131, 86, 241, 34, 131, 86, 241, 33, 
-    131, 86, 241, 32, 131, 86, 241, 31, 131, 86, 241, 30, 131, 86, 241, 29, 
-    131, 86, 241, 28, 131, 86, 241, 27, 131, 86, 241, 26, 131, 86, 241, 25, 
-    131, 86, 241, 24, 131, 86, 241, 23, 131, 86, 241, 22, 131, 86, 241, 21, 
-    131, 86, 241, 20, 131, 86, 241, 19, 131, 86, 241, 18, 131, 86, 241, 17, 
-    131, 86, 241, 16, 131, 86, 241, 15, 131, 86, 241, 14, 131, 86, 241, 13, 
-    131, 86, 241, 12, 131, 86, 241, 11, 131, 86, 241, 10, 131, 86, 241, 9, 
-    131, 86, 241, 8, 131, 86, 241, 7, 131, 86, 241, 6, 131, 86, 241, 5, 131, 
-    86, 241, 4, 131, 86, 241, 3, 131, 86, 241, 2, 131, 86, 67, 252, 192, 131, 
-    86, 213, 238, 131, 86, 213, 237, 131, 86, 213, 236, 131, 86, 213, 235, 
-    131, 86, 213, 234, 131, 86, 213, 233, 131, 86, 213, 232, 131, 86, 213, 
-    231, 131, 86, 213, 230, 131, 86, 213, 229, 131, 86, 213, 228, 131, 86, 
-    213, 227, 131, 86, 213, 226, 131, 86, 213, 225, 131, 86, 213, 224, 131, 
-    86, 213, 223, 131, 86, 213, 222, 131, 86, 213, 221, 131, 86, 213, 220, 
-    131, 86, 213, 219, 131, 86, 213, 218, 131, 86, 213, 217, 131, 86, 213, 
-    216, 131, 86, 213, 215, 131, 86, 213, 214, 131, 86, 213, 213, 131, 86, 
-    213, 212, 131, 86, 213, 211, 131, 86, 213, 210, 131, 86, 213, 209, 131, 
-    86, 213, 208, 131, 86, 213, 207, 131, 86, 213, 206, 131, 86, 213, 205, 
-    131, 86, 213, 204, 131, 86, 213, 203, 131, 86, 213, 202, 131, 86, 213, 
-    201, 131, 86, 213, 200, 131, 86, 213, 199, 131, 86, 213, 198, 131, 86, 
-    213, 197, 131, 86, 213, 196, 131, 86, 213, 195, 131, 86, 213, 194, 131, 
-    86, 213, 193, 131, 86, 213, 192, 131, 86, 213, 191, 131, 86, 213, 190, 
-    225, 36, 250, 251, 252, 192, 225, 36, 250, 251, 255, 18, 64, 219, 17, 
-    225, 36, 250, 251, 113, 64, 219, 17, 225, 36, 250, 251, 134, 64, 219, 17, 
-    225, 36, 250, 251, 244, 19, 64, 219, 17, 225, 36, 250, 251, 244, 89, 64, 
-    219, 17, 225, 36, 250, 251, 219, 127, 64, 219, 17, 225, 36, 250, 251, 
-    220, 124, 64, 219, 17, 225, 36, 250, 251, 245, 201, 64, 219, 17, 225, 36, 
-    250, 251, 228, 205, 64, 219, 17, 225, 36, 250, 251, 216, 249, 64, 219, 
-    17, 225, 36, 250, 251, 235, 145, 64, 219, 17, 225, 36, 250, 251, 234, 37, 
-    64, 219, 17, 225, 36, 250, 251, 224, 18, 64, 219, 17, 225, 36, 250, 251, 
-    234, 85, 64, 219, 17, 225, 36, 250, 251, 255, 18, 64, 241, 232, 225, 36, 
-    250, 251, 113, 64, 241, 232, 225, 36, 250, 251, 134, 64, 241, 232, 225, 
-    36, 250, 251, 244, 19, 64, 241, 232, 225, 36, 250, 251, 244, 89, 64, 241, 
-    232, 225, 36, 250, 251, 219, 127, 64, 241, 232, 225, 36, 250, 251, 220, 
-    124, 64, 241, 232, 225, 36, 250, 251, 245, 201, 64, 241, 232, 225, 36, 
-    250, 251, 228, 205, 64, 241, 232, 225, 36, 250, 251, 216, 249, 64, 241, 
-    232, 225, 36, 250, 251, 235, 145, 64, 241, 232, 225, 36, 250, 251, 234, 
-    37, 64, 241, 232, 225, 36, 250, 251, 224, 18, 64, 241, 232, 225, 36, 250, 
-    251, 234, 85, 64, 241, 232, 225, 36, 250, 251, 255, 18, 64, 247, 255, 
-    225, 36, 250, 251, 113, 64, 247, 255, 225, 36, 250, 251, 134, 64, 247, 
-    255, 225, 36, 250, 251, 244, 19, 64, 247, 255, 225, 36, 250, 251, 244, 
-    89, 64, 247, 255, 225, 36, 250, 251, 219, 127, 64, 247, 255, 225, 36, 
-    250, 251, 220, 124, 64, 247, 255, 225, 36, 250, 251, 245, 201, 64, 247, 
-    255, 225, 36, 250, 251, 228, 205, 64, 247, 255, 225, 36, 250, 251, 216, 
-    249, 64, 247, 255, 225, 36, 250, 251, 235, 145, 64, 247, 255, 225, 36, 
-    250, 251, 234, 37, 64, 247, 255, 225, 36, 250, 251, 224, 18, 64, 247, 
-    255, 225, 36, 250, 251, 234, 85, 64, 247, 255, 225, 36, 250, 251, 85, 
-    235, 68, 225, 36, 250, 251, 255, 18, 64, 249, 250, 225, 36, 250, 251, 
-    113, 64, 249, 250, 225, 36, 250, 251, 134, 64, 249, 250, 225, 36, 250, 
-    251, 244, 19, 64, 249, 250, 225, 36, 250, 251, 244, 89, 64, 249, 250, 
-    225, 36, 250, 251, 219, 127, 64, 249, 250, 225, 36, 250, 251, 220, 124, 
-    64, 249, 250, 225, 36, 250, 251, 245, 201, 64, 249, 250, 225, 36, 250, 
-    251, 228, 205, 64, 249, 250, 225, 36, 250, 251, 216, 249, 64, 249, 250, 
-    225, 36, 250, 251, 235, 145, 64, 249, 250, 225, 36, 250, 251, 234, 37, 
-    64, 249, 250, 225, 36, 250, 251, 224, 18, 64, 249, 250, 225, 36, 250, 
-    251, 234, 85, 64, 249, 250, 225, 36, 250, 251, 71, 235, 68, 21, 210, 87, 
-    243, 236, 218, 131, 21, 210, 87, 249, 227, 21, 123, 249, 227, 21, 113, 
-    249, 227, 21, 134, 249, 227, 21, 244, 19, 249, 227, 21, 244, 89, 249, 
-    227, 21, 219, 127, 249, 227, 21, 220, 124, 249, 227, 21, 245, 201, 249, 
-    227, 21, 228, 205, 249, 227, 88, 7, 6, 1, 61, 88, 7, 6, 1, 253, 166, 88, 
-    7, 6, 1, 251, 74, 88, 7, 6, 1, 249, 68, 88, 7, 6, 1, 76, 88, 7, 6, 1, 
-    245, 14, 88, 7, 6, 1, 243, 209, 88, 7, 6, 1, 242, 67, 88, 7, 6, 1, 74, 
-    88, 7, 6, 1, 235, 150, 88, 7, 6, 1, 235, 29, 88, 7, 6, 1, 156, 88, 7, 6, 
-    1, 194, 88, 7, 6, 1, 230, 30, 88, 7, 6, 1, 78, 88, 7, 6, 1, 226, 109, 88, 
-    7, 6, 1, 224, 99, 88, 7, 6, 1, 153, 88, 7, 6, 1, 222, 93, 88, 7, 6, 1, 
-    217, 153, 88, 7, 6, 1, 69, 88, 7, 6, 1, 214, 105, 88, 7, 6, 1, 212, 98, 
-    88, 7, 6, 1, 211, 178, 88, 7, 6, 1, 211, 117, 88, 7, 6, 1, 210, 159, 216, 
-    7, 220, 55, 251, 165, 7, 6, 1, 222, 93, 37, 32, 7, 6, 1, 251, 74, 37, 32, 
-    7, 6, 1, 153, 37, 250, 199, 37, 211, 180, 92, 7, 6, 1, 61, 92, 7, 6, 1, 
-    253, 166, 92, 7, 6, 1, 251, 74, 92, 7, 6, 1, 249, 68, 92, 7, 6, 1, 76, 
-    92, 7, 6, 1, 245, 14, 92, 7, 6, 1, 243, 209, 92, 7, 6, 1, 242, 67, 92, 7, 
-    6, 1, 74, 92, 7, 6, 1, 235, 150, 92, 7, 6, 1, 235, 29, 92, 7, 6, 1, 156, 
-    92, 7, 6, 1, 194, 92, 7, 6, 1, 230, 30, 92, 7, 6, 1, 78, 92, 7, 6, 1, 
-    226, 109, 92, 7, 6, 1, 224, 99, 92, 7, 6, 1, 153, 92, 7, 6, 1, 222, 93, 
-    92, 7, 6, 1, 217, 153, 92, 7, 6, 1, 69, 92, 7, 6, 1, 214, 105, 92, 7, 6, 
-    1, 212, 98, 92, 7, 6, 1, 211, 178, 92, 7, 6, 1, 211, 117, 92, 7, 6, 1, 
-    210, 159, 92, 240, 208, 92, 230, 54, 92, 221, 185, 92, 218, 228, 92, 224, 
-    221, 92, 212, 23, 152, 37, 7, 6, 1, 61, 152, 37, 7, 6, 1, 253, 166, 152, 
-    37, 7, 6, 1, 251, 74, 152, 37, 7, 6, 1, 249, 68, 152, 37, 7, 6, 1, 76, 
-    152, 37, 7, 6, 1, 245, 14, 152, 37, 7, 6, 1, 243, 209, 152, 37, 7, 6, 1, 
-    242, 67, 152, 37, 7, 6, 1, 74, 152, 37, 7, 6, 1, 235, 150, 152, 37, 7, 6, 
-    1, 235, 29, 152, 37, 7, 6, 1, 156, 152, 37, 7, 6, 1, 194, 152, 37, 7, 6, 
-    1, 230, 30, 152, 37, 7, 6, 1, 78, 152, 37, 7, 6, 1, 226, 109, 152, 37, 7, 
-    6, 1, 224, 99, 152, 37, 7, 6, 1, 153, 152, 37, 7, 6, 1, 222, 93, 152, 37, 
-    7, 6, 1, 217, 153, 152, 37, 7, 6, 1, 69, 152, 37, 7, 6, 1, 214, 105, 152, 
-    37, 7, 6, 1, 212, 98, 152, 37, 7, 6, 1, 211, 178, 152, 37, 7, 6, 1, 211, 
-    117, 152, 37, 7, 6, 1, 210, 159, 223, 160, 231, 102, 50, 223, 160, 231, 
-    99, 50, 152, 92, 7, 6, 1, 61, 152, 92, 7, 6, 1, 253, 166, 152, 92, 7, 6, 
-    1, 251, 74, 152, 92, 7, 6, 1, 249, 68, 152, 92, 7, 6, 1, 76, 152, 92, 7, 
-    6, 1, 245, 14, 152, 92, 7, 6, 1, 243, 209, 152, 92, 7, 6, 1, 242, 67, 
-    152, 92, 7, 6, 1, 74, 152, 92, 7, 6, 1, 235, 150, 152, 92, 7, 6, 1, 235, 
-    29, 152, 92, 7, 6, 1, 156, 152, 92, 7, 6, 1, 194, 152, 92, 7, 6, 1, 230, 
-    30, 152, 92, 7, 6, 1, 78, 152, 92, 7, 6, 1, 226, 109, 152, 92, 7, 6, 1, 
-    224, 99, 152, 92, 7, 6, 1, 153, 152, 92, 7, 6, 1, 222, 93, 152, 92, 7, 6, 
-    1, 217, 153, 152, 92, 7, 6, 1, 69, 152, 92, 7, 6, 1, 214, 105, 152, 92, 
-    7, 6, 1, 212, 98, 152, 92, 7, 6, 1, 211, 178, 152, 92, 7, 6, 1, 211, 117, 
-    152, 92, 7, 6, 1, 210, 159, 249, 136, 152, 92, 7, 6, 1, 226, 109, 152, 
-    92, 240, 120, 152, 92, 191, 152, 92, 206, 152, 92, 255, 34, 152, 92, 212, 
-    23, 42, 247, 172, 92, 250, 31, 92, 249, 178, 92, 244, 4, 92, 240, 112, 
-    92, 229, 91, 92, 229, 84, 92, 226, 218, 92, 219, 37, 92, 120, 2, 245, 39, 
-    79, 92, 213, 119, 223, 106, 235, 246, 16, 1, 61, 223, 106, 235, 246, 16, 
-    1, 253, 166, 223, 106, 235, 246, 16, 1, 251, 74, 223, 106, 235, 246, 16, 
-    1, 249, 68, 223, 106, 235, 246, 16, 1, 76, 223, 106, 235, 246, 16, 1, 
-    245, 14, 223, 106, 235, 246, 16, 1, 243, 209, 223, 106, 235, 246, 16, 1, 
-    242, 67, 223, 106, 235, 246, 16, 1, 74, 223, 106, 235, 246, 16, 1, 235, 
-    150, 223, 106, 235, 246, 16, 1, 235, 29, 223, 106, 235, 246, 16, 1, 156, 
-    223, 106, 235, 246, 16, 1, 194, 223, 106, 235, 246, 16, 1, 230, 30, 223, 
-    106, 235, 246, 16, 1, 78, 223, 106, 235, 246, 16, 1, 226, 109, 223, 106, 
-    235, 246, 16, 1, 224, 99, 223, 106, 235, 246, 16, 1, 153, 223, 106, 235, 
-    246, 16, 1, 222, 93, 223, 106, 235, 246, 16, 1, 217, 153, 223, 106, 235, 
-    246, 16, 1, 69, 223, 106, 235, 246, 16, 1, 214, 105, 223, 106, 235, 246, 
-    16, 1, 212, 98, 223, 106, 235, 246, 16, 1, 211, 178, 223, 106, 235, 246, 
-    16, 1, 211, 117, 223, 106, 235, 246, 16, 1, 210, 159, 42, 141, 241, 70, 
-    92, 56, 234, 24, 92, 56, 206, 92, 10, 214, 177, 238, 57, 92, 10, 214, 
-    177, 238, 61, 92, 10, 214, 177, 238, 69, 92, 56, 248, 98, 92, 10, 214, 
-    177, 238, 76, 92, 10, 214, 177, 238, 63, 92, 10, 214, 177, 238, 35, 92, 
-    10, 214, 177, 238, 62, 92, 10, 214, 177, 238, 75, 92, 10, 214, 177, 238, 
-    49, 92, 10, 214, 177, 238, 42, 92, 10, 214, 177, 238, 51, 92, 10, 214, 
-    177, 238, 72, 92, 10, 214, 177, 238, 58, 92, 10, 214, 177, 238, 74, 92, 
-    10, 214, 177, 238, 50, 92, 10, 214, 177, 238, 73, 92, 10, 214, 177, 238, 
-    36, 92, 10, 214, 177, 238, 41, 92, 10, 214, 177, 238, 34, 92, 10, 214, 
-    177, 238, 64, 92, 10, 214, 177, 238, 66, 92, 10, 214, 177, 238, 44, 92, 
-    10, 214, 177, 238, 55, 92, 10, 214, 177, 238, 53, 92, 10, 214, 177, 238, 
-    79, 92, 10, 214, 177, 238, 78, 92, 10, 214, 177, 238, 32, 92, 10, 214, 
-    177, 238, 59, 92, 10, 214, 177, 238, 77, 92, 10, 214, 177, 238, 68, 92, 
-    10, 214, 177, 238, 54, 92, 10, 214, 177, 238, 33, 92, 10, 214, 177, 238, 
-    56, 92, 10, 214, 177, 238, 38, 92, 10, 214, 177, 238, 37, 92, 10, 214, 
-    177, 238, 67, 92, 10, 214, 177, 238, 45, 92, 10, 214, 177, 238, 47, 92, 
-    10, 214, 177, 238, 48, 92, 10, 214, 177, 238, 40, 92, 10, 214, 177, 238, 
-    71, 92, 10, 214, 177, 238, 65, 216, 7, 220, 55, 251, 165, 10, 214, 177, 
-    238, 46, 216, 7, 220, 55, 251, 165, 10, 214, 177, 238, 78, 216, 7, 220, 
-    55, 251, 165, 10, 214, 177, 238, 76, 216, 7, 220, 55, 251, 165, 10, 214, 
-    177, 238, 60, 216, 7, 220, 55, 251, 165, 10, 214, 177, 238, 43, 216, 7, 
-    220, 55, 251, 165, 10, 214, 177, 238, 56, 216, 7, 220, 55, 251, 165, 10, 
-    214, 177, 238, 39, 216, 7, 220, 55, 251, 165, 10, 214, 177, 238, 70, 216, 
-    7, 220, 55, 251, 165, 10, 214, 177, 238, 52, 37, 154, 254, 254, 37, 154, 
-    255, 21, 249, 79, 244, 50, 250, 8, 214, 194, 228, 218, 2, 218, 155, 218, 
-    34, 115, 230, 119, 218, 33, 250, 34, 253, 215, 246, 62, 218, 32, 115, 
-    251, 126, 223, 161, 251, 148, 253, 215, 228, 217, 212, 41, 212, 35, 213, 
-    131, 230, 200, 212, 25, 245, 232, 242, 188, 245, 53, 245, 232, 242, 188, 
-    254, 136, 245, 232, 242, 188, 253, 233, 242, 188, 2, 231, 56, 166, 230, 
-    134, 87, 212, 27, 249, 145, 230, 134, 87, 244, 100, 224, 25, 230, 134, 
-    87, 212, 27, 242, 217, 230, 134, 87, 243, 236, 230, 134, 87, 212, 52, 
-    242, 217, 230, 134, 87, 233, 86, 224, 25, 230, 134, 87, 212, 52, 249, 
-    145, 230, 134, 87, 249, 145, 230, 133, 166, 230, 134, 2, 244, 198, 244, 
-    100, 224, 25, 230, 134, 2, 244, 198, 233, 86, 224, 25, 230, 134, 2, 244, 
-    198, 243, 236, 230, 134, 2, 244, 198, 218, 39, 2, 244, 198, 242, 186, 
-    218, 158, 220, 1, 218, 158, 250, 124, 221, 170, 245, 47, 215, 236, 248, 
-    92, 215, 236, 226, 63, 215, 236, 251, 35, 215, 110, 250, 126, 251, 218, 
-    222, 193, 241, 186, 218, 37, 251, 218, 245, 236, 64, 231, 199, 245, 236, 
-    64, 223, 34, 241, 211, 244, 19, 233, 60, 249, 254, 231, 175, 233, 59, 
-    244, 184, 233, 59, 233, 60, 244, 55, 236, 7, 211, 239, 230, 63, 216, 35, 
-    253, 199, 242, 150, 231, 72, 212, 39, 217, 58, 233, 32, 252, 157, 225, 
-    65, 223, 114, 254, 62, 242, 134, 254, 62, 225, 220, 225, 221, 250, 127, 
-    218, 116, 242, 30, 219, 92, 64, 225, 47, 231, 92, 226, 201, 251, 202, 
-    224, 232, 233, 42, 223, 35, 249, 150, 223, 35, 252, 167, 249, 181, 223, 
-    34, 249, 103, 22, 223, 34, 218, 143, 251, 175, 219, 16, 251, 159, 244, 3, 
-    243, 255, 222, 209, 217, 247, 224, 234, 248, 183, 226, 240, 218, 8, 244, 
-    0, 219, 232, 244, 99, 251, 29, 2, 217, 240, 248, 43, 219, 54, 240, 119, 
-    249, 149, 220, 72, 240, 118, 240, 119, 249, 149, 246, 116, 249, 180, 250, 
-    92, 130, 251, 6, 232, 147, 249, 96, 241, 62, 224, 236, 219, 242, 252, 44, 
-    251, 171, 224, 237, 64, 244, 41, 249, 179, 244, 32, 22, 234, 38, 217, 20, 
-    211, 230, 242, 20, 222, 14, 251, 185, 22, 249, 110, 211, 237, 242, 191, 
-    249, 243, 242, 191, 215, 194, 246, 98, 252, 70, 230, 98, 250, 15, 252, 
-    70, 230, 97, 252, 195, 251, 184, 223, 36, 211, 201, 224, 198, 251, 243, 
-    251, 28, 235, 144, 250, 85, 215, 236, 244, 170, 250, 84, 244, 102, 244, 
-    103, 219, 14, 252, 166, 225, 254, 224, 247, 249, 212, 252, 167, 217, 60, 
-    215, 236, 249, 136, 244, 75, 225, 66, 248, 89, 235, 137, 247, 139, 250, 
-    240, 218, 115, 211, 240, 250, 106, 230, 134, 213, 164, 250, 170, 221, 
-    201, 221, 226, 242, 155, 251, 3, 250, 241, 240, 252, 244, 138, 212, 0, 
-    222, 202, 249, 244, 244, 94, 225, 5, 22, 244, 98, 230, 232, 230, 113, 
-    251, 18, 250, 47, 241, 239, 253, 249, 226, 66, 216, 15, 242, 2, 250, 37, 
-    216, 243, 216, 114, 250, 28, 251, 210, 225, 180, 253, 248, 213, 172, 243, 
-    117, 247, 205, 241, 163, 219, 86, 231, 239, 251, 253, 243, 118, 247, 248, 
-    251, 174, 244, 60, 225, 36, 250, 249, 28, 228, 52, 230, 90, 28, 228, 47, 
-    221, 214, 242, 106, 28, 234, 143, 215, 191, 213, 154, 28, 221, 194, 222, 
-    126, 220, 13, 2, 221, 229, 216, 245, 223, 181, 22, 252, 167, 219, 107, 
-    22, 219, 107, 251, 195, 252, 131, 22, 241, 56, 250, 128, 244, 81, 219, 
-    65, 222, 127, 218, 13, 215, 195, 240, 253, 223, 182, 254, 137, 244, 39, 
-    222, 138, 244, 39, 217, 242, 240, 242, 251, 127, 240, 242, 2, 243, 101, 
-    226, 233, 251, 127, 235, 137, 224, 242, 226, 232, 245, 52, 224, 242, 226, 
-    232, 240, 251, 252, 153, 253, 189, 216, 253, 231, 239, 240, 247, 232, 
-    117, 240, 247, 249, 184, 218, 127, 221, 200, 248, 51, 218, 127, 244, 188, 
-    235, 155, 233, 95, 235, 137, 250, 234, 245, 52, 250, 234, 223, 144, 230, 
-    117, 226, 118, 212, 41, 251, 131, 249, 153, 216, 107, 233, 24, 223, 183, 
-    250, 232, 246, 104, 249, 143, 212, 3, 219, 72, 219, 70, 240, 252, 223, 
-    156, 242, 177, 220, 59, 230, 150, 222, 196, 250, 116, 247, 144, 225, 76, 
-    251, 211, 245, 177, 226, 242, 218, 254, 220, 54, 251, 130, 254, 100, 241, 
-    61, 233, 127, 252, 68, 244, 98, 215, 194, 244, 98, 251, 217, 215, 91, 
-    242, 0, 250, 117, 252, 195, 250, 117, 243, 250, 252, 195, 250, 117, 251, 
-    245, 225, 198, 234, 32, 224, 251, 246, 95, 251, 19, 252, 185, 251, 19, 
-    247, 138, 230, 118, 244, 198, 249, 154, 244, 198, 216, 108, 244, 198, 
-    223, 184, 244, 198, 250, 233, 244, 198, 246, 105, 244, 198, 218, 243, 
-    212, 3, 240, 253, 244, 198, 230, 151, 244, 198, 247, 145, 244, 198, 225, 
-    77, 244, 198, 243, 253, 244, 198, 242, 27, 244, 198, 211, 224, 244, 198, 
-    252, 79, 244, 198, 226, 49, 244, 198, 225, 77, 228, 58, 225, 236, 224, 
-    189, 245, 21, 245, 235, 228, 58, 230, 115, 216, 20, 71, 120, 225, 10, 
-    252, 190, 235, 249, 71, 124, 225, 10, 252, 190, 235, 249, 71, 43, 225, 
-    10, 252, 190, 235, 249, 71, 44, 225, 10, 252, 190, 235, 249, 244, 92, 
-    242, 23, 50, 212, 33, 242, 23, 50, 226, 219, 242, 23, 50, 216, 136, 120, 
-    50, 216, 136, 124, 50, 250, 27, 242, 18, 50, 204, 242, 18, 50, 249, 131, 
-    211, 220, 242, 2, 245, 22, 229, 109, 217, 152, 235, 131, 246, 100, 234, 
-    88, 251, 255, 211, 220, 250, 1, 224, 130, 242, 21, 224, 233, 231, 182, 
-    220, 6, 253, 211, 220, 6, 241, 171, 220, 6, 211, 220, 221, 242, 211, 220, 
-    251, 194, 244, 37, 251, 98, 236, 7, 219, 171, 251, 97, 236, 7, 219, 171, 
-    251, 170, 242, 201, 231, 190, 211, 221, 244, 182, 231, 191, 22, 211, 222, 
-    241, 67, 242, 17, 113, 231, 64, 241, 67, 242, 17, 113, 211, 219, 241, 67, 
-    242, 17, 225, 2, 226, 231, 211, 222, 2, 251, 114, 245, 233, 251, 149, 2, 
-    213, 246, 225, 171, 2, 251, 220, 242, 41, 231, 191, 2, 242, 117, 225, 
-    112, 231, 179, 231, 191, 2, 215, 98, 226, 212, 231, 190, 226, 212, 211, 
-    221, 252, 194, 249, 198, 211, 205, 224, 192, 235, 137, 226, 227, 235, 
-    137, 242, 176, 242, 229, 252, 195, 254, 121, 245, 26, 254, 169, 254, 170, 
-    230, 141, 236, 12, 219, 102, 235, 239, 248, 42, 225, 170, 242, 112, 248, 
-    187, 232, 207, 229, 216, 225, 1, 244, 199, 231, 147, 242, 40, 252, 146, 
-    225, 4, 217, 172, 225, 69, 234, 70, 79, 232, 117, 233, 16, 222, 236, 243, 
-    61, 218, 133, 234, 69, 251, 179, 249, 156, 2, 241, 234, 212, 19, 252, 77, 
-    241, 234, 251, 143, 241, 234, 113, 241, 232, 219, 12, 241, 234, 242, 127, 
-    241, 234, 241, 235, 2, 75, 251, 216, 241, 234, 242, 134, 241, 234, 211, 
-    42, 241, 234, 224, 131, 241, 234, 241, 235, 2, 223, 36, 223, 47, 241, 
-    232, 241, 235, 248, 89, 248, 1, 220, 84, 2, 116, 59, 235, 222, 245, 180, 
-    193, 251, 124, 254, 120, 87, 251, 203, 219, 94, 87, 249, 236, 87, 218, 
-    248, 217, 249, 87, 246, 93, 248, 165, 87, 225, 70, 64, 224, 252, 244, 69, 
-    252, 11, 247, 173, 87, 219, 5, 252, 166, 216, 150, 252, 166, 71, 244, 59, 
-    240, 218, 225, 8, 87, 230, 154, 252, 180, 249, 106, 245, 40, 114, 247, 
-    140, 50, 249, 147, 250, 250, 252, 152, 2, 211, 40, 50, 252, 152, 2, 247, 
-    140, 50, 252, 152, 2, 245, 55, 50, 252, 152, 2, 224, 231, 50, 230, 154, 
-    2, 211, 235, 250, 146, 2, 214, 153, 215, 232, 22, 211, 40, 50, 221, 180, 
-    225, 169, 249, 216, 251, 147, 230, 191, 244, 64, 247, 193, 226, 165, 247, 
-    198, 246, 57, 244, 115, 244, 48, 204, 244, 115, 244, 48, 226, 80, 2, 249, 
-    108, 226, 80, 244, 191, 214, 163, 251, 24, 217, 19, 251, 24, 250, 251, 
-    235, 249, 250, 146, 2, 214, 153, 215, 231, 250, 146, 2, 246, 112, 215, 
-    231, 252, 149, 250, 145, 250, 14, 224, 126, 222, 187, 224, 126, 226, 23, 
-    218, 123, 222, 133, 215, 223, 222, 133, 251, 199, 217, 92, 233, 57, 228, 
-    50, 228, 51, 2, 248, 88, 249, 155, 250, 8, 251, 200, 204, 251, 200, 242, 
-    134, 251, 200, 251, 216, 251, 200, 226, 161, 251, 200, 251, 197, 229, 
-    210, 252, 183, 221, 188, 231, 65, 217, 2, 223, 126, 226, 78, 244, 167, 
-    231, 239, 221, 225, 254, 97, 224, 148, 255, 5, 232, 119, 250, 135, 231, 
-    77, 226, 133, 215, 239, 236, 3, 215, 239, 226, 86, 246, 32, 87, 236, 0, 
-    245, 127, 245, 128, 2, 246, 112, 80, 48, 250, 8, 231, 205, 2, 232, 113, 
-    244, 81, 250, 8, 231, 205, 2, 223, 160, 244, 81, 204, 231, 205, 2, 223, 
-    160, 244, 81, 204, 231, 205, 2, 232, 113, 244, 81, 224, 239, 224, 240, 
-    240, 255, 229, 89, 230, 164, 225, 120, 230, 164, 225, 121, 2, 97, 80, 
-    253, 215, 233, 52, 213, 175, 230, 163, 230, 164, 225, 121, 226, 234, 228, 
-    80, 230, 164, 225, 119, 254, 98, 2, 252, 137, 251, 18, 213, 172, 251, 18, 
-    216, 255, 223, 176, 213, 171, 215, 60, 97, 253, 255, 250, 10, 97, 22, 
-    140, 204, 250, 44, 253, 255, 250, 10, 97, 22, 140, 204, 250, 44, 254, 0, 
-    2, 37, 123, 226, 124, 250, 10, 246, 112, 22, 214, 153, 204, 250, 44, 253, 
-    255, 254, 96, 246, 112, 22, 214, 153, 204, 250, 44, 253, 255, 121, 251, 
-    146, 87, 125, 251, 146, 87, 219, 9, 2, 251, 12, 91, 219, 8, 219, 9, 2, 
-    123, 219, 33, 212, 35, 219, 9, 2, 134, 219, 33, 212, 34, 252, 123, 245, 
-    180, 225, 30, 233, 48, 231, 216, 242, 191, 222, 250, 231, 216, 242, 191, 
-    232, 158, 2, 235, 232, 225, 202, 250, 8, 232, 158, 2, 234, 144, 234, 144, 
-    232, 157, 204, 232, 157, 252, 52, 252, 53, 2, 251, 12, 91, 251, 198, 232, 
-    210, 87, 223, 177, 251, 94, 252, 193, 2, 140, 80, 48, 245, 151, 2, 140, 
-    80, 48, 226, 201, 2, 245, 39, 164, 2, 43, 44, 80, 48, 219, 41, 2, 97, 80, 
-    48, 216, 15, 2, 214, 153, 80, 48, 228, 80, 123, 214, 184, 245, 199, 87, 
-    234, 142, 216, 248, 235, 226, 16, 31, 7, 6, 233, 15, 235, 226, 16, 31, 7, 
-    4, 233, 15, 235, 226, 16, 31, 227, 203, 235, 226, 16, 31, 217, 184, 235, 
-    226, 16, 31, 7, 233, 15, 244, 104, 245, 180, 216, 10, 211, 199, 242, 28, 
-    227, 186, 22, 251, 205, 241, 73, 225, 53, 230, 231, 217, 0, 249, 122, 
-    252, 167, 219, 127, 225, 12, 218, 159, 2, 230, 229, 247, 128, 235, 137, 
-    16, 31, 252, 65, 215, 221, 245, 164, 85, 42, 251, 94, 71, 42, 251, 94, 
-    233, 91, 223, 114, 250, 43, 233, 91, 251, 216, 250, 43, 233, 91, 226, 
-    161, 248, 0, 233, 91, 251, 216, 248, 0, 4, 226, 161, 248, 0, 4, 251, 216, 
-    248, 0, 214, 162, 223, 114, 215, 226, 246, 113, 223, 114, 215, 226, 214, 
-    162, 4, 223, 114, 215, 226, 246, 113, 4, 223, 114, 215, 226, 37, 249, 
-    139, 224, 255, 249, 139, 225, 0, 2, 242, 33, 51, 249, 139, 224, 255, 228, 
-    54, 43, 220, 155, 2, 134, 247, 126, 250, 12, 244, 199, 123, 226, 246, 
-    250, 12, 244, 199, 113, 226, 246, 250, 12, 244, 199, 134, 226, 246, 250, 
-    12, 244, 199, 244, 19, 226, 246, 250, 12, 244, 199, 244, 89, 226, 246, 
-    250, 12, 244, 199, 219, 127, 226, 246, 250, 12, 244, 199, 220, 124, 226, 
-    246, 250, 12, 244, 199, 245, 201, 226, 246, 250, 12, 244, 199, 228, 205, 
-    226, 246, 250, 12, 244, 199, 216, 249, 226, 246, 250, 12, 244, 199, 245, 
-    176, 226, 246, 250, 12, 244, 199, 215, 77, 226, 246, 250, 12, 244, 199, 
-    226, 196, 250, 12, 244, 199, 215, 56, 250, 12, 244, 199, 216, 141, 250, 
-    12, 244, 199, 244, 15, 250, 12, 244, 199, 244, 87, 250, 12, 244, 199, 
-    219, 123, 250, 12, 244, 199, 220, 123, 250, 12, 244, 199, 245, 200, 250, 
-    12, 244, 199, 228, 204, 250, 12, 244, 199, 216, 247, 250, 12, 244, 199, 
-    245, 174, 250, 12, 244, 199, 215, 75, 230, 122, 243, 237, 216, 37, 216, 
-    3, 218, 150, 64, 232, 245, 219, 172, 64, 235, 138, 230, 111, 242, 131, 
-    244, 198, 242, 131, 244, 199, 2, 219, 76, 245, 21, 244, 199, 2, 217, 15, 
-    64, 235, 59, 219, 76, 244, 199, 2, 204, 230, 115, 219, 76, 244, 199, 2, 
-    204, 230, 116, 22, 219, 76, 245, 21, 219, 76, 244, 199, 2, 204, 230, 116, 
-    22, 249, 238, 217, 248, 219, 76, 244, 199, 2, 204, 230, 116, 22, 216, 
-    105, 245, 21, 219, 76, 244, 199, 2, 242, 32, 219, 76, 244, 199, 2, 240, 
-    254, 211, 233, 244, 198, 219, 76, 244, 199, 2, 219, 76, 245, 21, 244, 
-    199, 221, 219, 248, 70, 244, 41, 223, 91, 244, 198, 219, 76, 244, 199, 2, 
-    241, 233, 245, 21, 219, 76, 244, 199, 2, 218, 35, 219, 75, 244, 198, 229, 
-    92, 244, 198, 245, 31, 244, 198, 214, 188, 244, 198, 244, 199, 2, 249, 
-    238, 217, 248, 225, 195, 244, 198, 249, 209, 244, 198, 249, 210, 244, 
-    198, 234, 68, 244, 198, 244, 199, 216, 138, 116, 234, 69, 234, 68, 244, 
-    199, 2, 219, 76, 245, 21, 234, 68, 244, 199, 2, 250, 8, 245, 21, 244, 
-    199, 2, 218, 89, 216, 20, 244, 199, 2, 218, 89, 216, 21, 22, 211, 233, 
-    245, 23, 244, 199, 2, 218, 89, 216, 21, 22, 216, 105, 245, 21, 247, 200, 
-    244, 198, 211, 204, 244, 198, 254, 116, 244, 198, 224, 230, 244, 198, 
-    249, 124, 244, 198, 225, 173, 244, 198, 244, 199, 2, 232, 132, 64, 215, 
-    205, 247, 200, 251, 96, 223, 91, 244, 198, 243, 247, 244, 199, 2, 204, 
-    230, 115, 254, 114, 244, 198, 244, 160, 244, 198, 212, 20, 244, 198, 219, 
-    93, 244, 198, 216, 72, 244, 198, 242, 132, 244, 198, 232, 120, 249, 124, 
-    244, 198, 244, 199, 2, 204, 230, 115, 240, 210, 244, 198, 244, 199, 2, 
-    204, 230, 116, 22, 249, 238, 217, 248, 244, 199, 221, 192, 236, 7, 244, 
-    161, 253, 221, 244, 198, 244, 57, 244, 198, 219, 94, 244, 198, 247, 173, 
-    244, 198, 244, 199, 211, 230, 230, 115, 244, 199, 2, 231, 89, 231, 149, 
-    242, 131, 250, 233, 244, 199, 2, 219, 76, 245, 21, 250, 233, 244, 199, 2, 
-    217, 15, 64, 235, 59, 219, 76, 250, 233, 244, 199, 2, 204, 230, 115, 219, 
-    76, 250, 233, 244, 199, 2, 241, 233, 245, 21, 250, 233, 244, 199, 2, 211, 
-    196, 219, 77, 234, 68, 250, 233, 244, 199, 2, 250, 8, 245, 21, 224, 230, 
-    250, 233, 244, 198, 249, 124, 250, 233, 244, 198, 212, 20, 250, 233, 244, 
-    198, 244, 199, 2, 228, 80, 242, 170, 243, 41, 244, 199, 2, 226, 219, 243, 
-    41, 225, 171, 251, 176, 248, 83, 221, 171, 230, 150, 241, 236, 230, 150, 
-    219, 10, 230, 150, 242, 12, 225, 171, 223, 159, 123, 242, 22, 225, 171, 
-    223, 159, 251, 186, 242, 18, 236, 7, 250, 187, 225, 171, 243, 246, 225, 
-    171, 2, 224, 230, 244, 198, 225, 171, 2, 244, 49, 242, 17, 222, 205, 241, 
-    221, 218, 145, 232, 155, 223, 165, 250, 252, 241, 169, 215, 249, 241, 
-    169, 215, 250, 2, 251, 122, 228, 58, 215, 249, 231, 37, 193, 223, 166, 
-    218, 151, 215, 247, 215, 248, 250, 252, 251, 100, 226, 198, 251, 100, 
-    215, 202, 251, 101, 218, 131, 230, 192, 254, 138, 244, 105, 245, 145, 
-    225, 2, 250, 252, 226, 198, 225, 2, 250, 252, 217, 33, 226, 198, 217, 33, 
-    253, 188, 226, 198, 253, 188, 223, 121, 213, 247, 248, 66, 215, 193, 253, 
-    250, 232, 123, 215, 255, 230, 144, 230, 121, 223, 164, 218, 7, 223, 164, 
-    230, 121, 251, 36, 254, 238, 215, 246, 220, 18, 222, 184, 219, 3, 203, 
-    215, 253, 232, 236, 67, 215, 253, 232, 236, 249, 198, 50, 225, 2, 250, 
-    237, 223, 47, 232, 236, 215, 223, 244, 82, 226, 201, 224, 241, 247, 131, 
-    228, 80, 245, 133, 50, 219, 74, 87, 228, 80, 219, 74, 87, 224, 125, 232, 
-    199, 236, 7, 235, 163, 225, 44, 87, 247, 154, 228, 57, 232, 199, 87, 224, 
-    235, 212, 41, 87, 228, 71, 212, 41, 87, 252, 10, 228, 80, 252, 9, 252, 8, 
-    230, 121, 252, 8, 225, 216, 228, 80, 225, 215, 250, 108, 249, 132, 231, 
-    61, 87, 211, 218, 87, 223, 62, 252, 195, 87, 216, 38, 212, 41, 250, 5, 
-    219, 236, 252, 126, 252, 124, 225, 246, 249, 185, 249, 94, 252, 177, 250, 
-    30, 43, 232, 95, 108, 16, 31, 224, 6, 108, 16, 31, 254, 201, 108, 16, 31, 
-    244, 104, 108, 16, 31, 245, 231, 108, 16, 31, 212, 40, 108, 16, 31, 254, 
-    51, 108, 16, 31, 254, 52, 223, 108, 108, 16, 31, 254, 52, 223, 107, 108, 
-    16, 31, 254, 52, 213, 143, 108, 16, 31, 254, 52, 213, 142, 108, 16, 31, 
-    213, 157, 108, 16, 31, 213, 156, 108, 16, 31, 213, 155, 108, 16, 31, 218, 
-    45, 108, 16, 31, 225, 128, 218, 45, 108, 16, 31, 85, 218, 45, 108, 16, 
-    31, 231, 60, 218, 72, 108, 16, 31, 231, 60, 218, 71, 108, 16, 31, 231, 
-    60, 218, 70, 108, 16, 31, 250, 46, 108, 16, 31, 222, 3, 108, 16, 31, 228, 
-    193, 108, 16, 31, 213, 141, 108, 16, 31, 213, 140, 108, 16, 31, 222, 206, 
-    222, 3, 108, 16, 31, 222, 206, 222, 2, 108, 16, 31, 242, 173, 108, 16, 
-    31, 219, 168, 108, 16, 31, 235, 184, 226, 157, 108, 16, 31, 235, 184, 
-    226, 156, 108, 16, 31, 249, 142, 64, 235, 183, 108, 16, 31, 223, 104, 64, 
-    235, 183, 108, 16, 31, 249, 176, 226, 157, 108, 16, 31, 235, 182, 226, 
-    157, 108, 16, 31, 218, 73, 64, 249, 175, 108, 16, 31, 249, 142, 64, 249, 
-    175, 108, 16, 31, 249, 142, 64, 249, 174, 108, 16, 31, 249, 176, 254, 91, 
-    108, 16, 31, 222, 4, 64, 249, 176, 254, 91, 108, 16, 31, 218, 73, 64, 
-    222, 4, 64, 249, 175, 108, 16, 31, 213, 243, 108, 16, 31, 216, 85, 226, 
-    157, 108, 16, 31, 233, 63, 226, 157, 108, 16, 31, 254, 90, 226, 157, 108, 
-    16, 31, 218, 73, 64, 254, 89, 108, 16, 31, 222, 4, 64, 254, 89, 108, 16, 
-    31, 218, 73, 64, 222, 4, 64, 254, 89, 108, 16, 31, 213, 158, 64, 254, 89, 
-    108, 16, 31, 223, 104, 64, 254, 89, 108, 16, 31, 223, 104, 64, 254, 88, 
-    108, 16, 31, 223, 103, 108, 16, 31, 223, 102, 108, 16, 31, 223, 101, 108, 
-    16, 31, 223, 100, 108, 16, 31, 254, 166, 108, 16, 31, 254, 165, 108, 16, 
-    31, 231, 168, 108, 16, 31, 222, 9, 108, 16, 31, 253, 254, 108, 16, 31, 
-    223, 128, 108, 16, 31, 223, 127, 108, 16, 31, 253, 191, 108, 16, 31, 251, 
-    237, 226, 157, 108, 16, 31, 217, 50, 108, 16, 31, 217, 49, 108, 16, 31, 
-    224, 11, 232, 228, 108, 16, 31, 251, 191, 108, 16, 31, 251, 190, 108, 16, 
-    31, 251, 189, 108, 16, 31, 254, 146, 108, 16, 31, 226, 222, 108, 16, 31, 
-    218, 250, 108, 16, 31, 216, 83, 108, 16, 31, 242, 103, 108, 16, 31, 212, 
-    28, 108, 16, 31, 224, 229, 108, 16, 31, 251, 22, 108, 16, 31, 215, 86, 
-    108, 16, 31, 250, 254, 230, 127, 108, 16, 31, 221, 204, 64, 235, 61, 108, 
-    16, 31, 251, 33, 108, 16, 31, 215, 220, 108, 16, 31, 218, 156, 215, 220, 
-    108, 16, 31, 232, 154, 108, 16, 31, 219, 58, 108, 16, 31, 214, 142, 108, 
-    16, 31, 240, 253, 246, 72, 108, 16, 31, 253, 235, 108, 16, 31, 224, 237, 
-    253, 235, 108, 16, 31, 251, 150, 108, 16, 31, 224, 228, 251, 150, 108, 
-    16, 31, 254, 143, 108, 16, 31, 218, 119, 218, 27, 218, 118, 108, 16, 31, 
-    218, 119, 218, 27, 218, 117, 108, 16, 31, 218, 69, 108, 16, 31, 224, 203, 
-    108, 16, 31, 247, 189, 108, 16, 31, 247, 191, 108, 16, 31, 247, 190, 108, 
-    16, 31, 224, 134, 108, 16, 31, 224, 123, 108, 16, 31, 249, 130, 108, 16, 
-    31, 249, 129, 108, 16, 31, 249, 128, 108, 16, 31, 249, 127, 108, 16, 31, 
-    249, 126, 108, 16, 31, 254, 178, 108, 16, 31, 252, 127, 64, 231, 154, 
-    108, 16, 31, 252, 127, 64, 214, 17, 108, 16, 31, 223, 60, 108, 16, 31, 
-    240, 245, 108, 16, 31, 228, 217, 108, 16, 31, 248, 153, 108, 16, 31, 230, 
-    139, 108, 16, 31, 163, 246, 102, 108, 16, 31, 163, 226, 136, 10, 14, 240, 
-    109, 10, 14, 240, 108, 10, 14, 240, 107, 10, 14, 240, 106, 10, 14, 240, 
-    105, 10, 14, 240, 104, 10, 14, 240, 103, 10, 14, 240, 102, 10, 14, 240, 
-    101, 10, 14, 240, 100, 10, 14, 240, 99, 10, 14, 240, 98, 10, 14, 240, 97, 
-    10, 14, 240, 96, 10, 14, 240, 95, 10, 14, 240, 94, 10, 14, 240, 93, 10, 
-    14, 240, 92, 10, 14, 240, 91, 10, 14, 240, 90, 10, 14, 240, 89, 10, 14, 
-    240, 88, 10, 14, 240, 87, 10, 14, 240, 86, 10, 14, 240, 85, 10, 14, 240, 
-    84, 10, 14, 240, 83, 10, 14, 240, 82, 10, 14, 240, 81, 10, 14, 240, 80, 
-    10, 14, 240, 79, 10, 14, 240, 78, 10, 14, 240, 77, 10, 14, 240, 76, 10, 
-    14, 240, 75, 10, 14, 240, 74, 10, 14, 240, 73, 10, 14, 240, 72, 10, 14, 
-    240, 71, 10, 14, 240, 70, 10, 14, 240, 69, 10, 14, 240, 68, 10, 14, 240, 
-    67, 10, 14, 240, 66, 10, 14, 240, 65, 10, 14, 240, 64, 10, 14, 240, 63, 
-    10, 14, 240, 62, 10, 14, 240, 61, 10, 14, 240, 60, 10, 14, 240, 59, 10, 
-    14, 240, 58, 10, 14, 240, 57, 10, 14, 240, 56, 10, 14, 240, 55, 10, 14, 
-    240, 54, 10, 14, 240, 53, 10, 14, 240, 52, 10, 14, 240, 51, 10, 14, 240, 
-    50, 10, 14, 240, 49, 10, 14, 240, 48, 10, 14, 240, 47, 10, 14, 240, 46, 
-    10, 14, 240, 45, 10, 14, 240, 44, 10, 14, 240, 43, 10, 14, 240, 42, 10, 
-    14, 240, 41, 10, 14, 240, 40, 10, 14, 240, 39, 10, 14, 240, 38, 10, 14, 
-    240, 37, 10, 14, 240, 36, 10, 14, 240, 35, 10, 14, 240, 34, 10, 14, 240, 
-    33, 10, 14, 240, 32, 10, 14, 240, 31, 10, 14, 240, 30, 10, 14, 240, 29, 
-    10, 14, 240, 28, 10, 14, 240, 27, 10, 14, 240, 26, 10, 14, 240, 25, 10, 
-    14, 240, 24, 10, 14, 240, 23, 10, 14, 240, 22, 10, 14, 240, 21, 10, 14, 
-    240, 20, 10, 14, 240, 19, 10, 14, 240, 18, 10, 14, 240, 17, 10, 14, 240, 
-    16, 10, 14, 240, 15, 10, 14, 240, 14, 10, 14, 240, 13, 10, 14, 240, 12, 
-    10, 14, 240, 11, 10, 14, 240, 10, 10, 14, 240, 9, 10, 14, 240, 8, 10, 14, 
-    240, 7, 10, 14, 240, 6, 10, 14, 240, 5, 10, 14, 240, 4, 10, 14, 240, 3, 
-    10, 14, 240, 2, 10, 14, 240, 1, 10, 14, 240, 0, 10, 14, 239, 255, 10, 14, 
-    239, 254, 10, 14, 239, 253, 10, 14, 239, 252, 10, 14, 239, 251, 10, 14, 
-    239, 250, 10, 14, 239, 249, 10, 14, 239, 248, 10, 14, 239, 247, 10, 14, 
-    239, 246, 10, 14, 239, 245, 10, 14, 239, 244, 10, 14, 239, 243, 10, 14, 
-    239, 242, 10, 14, 239, 241, 10, 14, 239, 240, 10, 14, 239, 239, 10, 14, 
-    239, 238, 10, 14, 239, 237, 10, 14, 239, 236, 10, 14, 239, 235, 10, 14, 
-    239, 234, 10, 14, 239, 233, 10, 14, 239, 232, 10, 14, 239, 231, 10, 14, 
-    239, 230, 10, 14, 239, 229, 10, 14, 239, 228, 10, 14, 239, 227, 10, 14, 
-    239, 226, 10, 14, 239, 225, 10, 14, 239, 224, 10, 14, 239, 223, 10, 14, 
-    239, 222, 10, 14, 239, 221, 10, 14, 239, 220, 10, 14, 239, 219, 10, 14, 
-    239, 218, 10, 14, 239, 217, 10, 14, 239, 216, 10, 14, 239, 215, 10, 14, 
-    239, 214, 10, 14, 239, 213, 10, 14, 239, 212, 10, 14, 239, 211, 10, 14, 
-    239, 210, 10, 14, 239, 209, 10, 14, 239, 208, 10, 14, 239, 207, 10, 14, 
-    239, 206, 10, 14, 239, 205, 10, 14, 239, 204, 10, 14, 239, 203, 10, 14, 
-    239, 202, 10, 14, 239, 201, 10, 14, 239, 200, 10, 14, 239, 199, 10, 14, 
-    239, 198, 10, 14, 239, 197, 10, 14, 239, 196, 10, 14, 239, 195, 10, 14, 
-    239, 194, 10, 14, 239, 193, 10, 14, 239, 192, 10, 14, 239, 191, 10, 14, 
-    239, 190, 10, 14, 239, 189, 10, 14, 239, 188, 10, 14, 239, 187, 10, 14, 
-    239, 186, 10, 14, 239, 185, 10, 14, 239, 184, 10, 14, 239, 183, 10, 14, 
-    239, 182, 10, 14, 239, 181, 10, 14, 239, 180, 10, 14, 239, 179, 10, 14, 
-    239, 178, 10, 14, 239, 177, 10, 14, 239, 176, 10, 14, 239, 175, 10, 14, 
-    239, 174, 10, 14, 239, 173, 10, 14, 239, 172, 10, 14, 239, 171, 10, 14, 
-    239, 170, 10, 14, 239, 169, 10, 14, 239, 168, 10, 14, 239, 167, 10, 14, 
-    239, 166, 10, 14, 239, 165, 10, 14, 239, 164, 10, 14, 239, 163, 10, 14, 
-    239, 162, 10, 14, 239, 161, 10, 14, 239, 160, 10, 14, 239, 159, 10, 14, 
-    239, 158, 10, 14, 239, 157, 10, 14, 239, 156, 10, 14, 239, 155, 10, 14, 
-    239, 154, 10, 14, 239, 153, 10, 14, 239, 152, 10, 14, 239, 151, 10, 14, 
-    239, 150, 10, 14, 239, 149, 10, 14, 239, 148, 10, 14, 239, 147, 10, 14, 
-    239, 146, 10, 14, 239, 145, 10, 14, 239, 144, 10, 14, 239, 143, 10, 14, 
-    239, 142, 10, 14, 239, 141, 10, 14, 239, 140, 10, 14, 239, 139, 10, 14, 
-    239, 138, 10, 14, 239, 137, 10, 14, 239, 136, 10, 14, 239, 135, 10, 14, 
-    239, 134, 10, 14, 239, 133, 10, 14, 239, 132, 10, 14, 239, 131, 10, 14, 
-    239, 130, 10, 14, 239, 129, 10, 14, 239, 128, 10, 14, 239, 127, 10, 14, 
-    239, 126, 10, 14, 239, 125, 10, 14, 239, 124, 10, 14, 239, 123, 10, 14, 
-    239, 122, 10, 14, 239, 121, 10, 14, 239, 120, 10, 14, 239, 119, 10, 14, 
-    239, 118, 10, 14, 239, 117, 10, 14, 239, 116, 10, 14, 239, 115, 10, 14, 
-    239, 114, 10, 14, 239, 113, 10, 14, 239, 112, 10, 14, 239, 111, 10, 14, 
-    239, 110, 10, 14, 239, 109, 10, 14, 239, 108, 10, 14, 239, 107, 10, 14, 
-    239, 106, 10, 14, 239, 105, 10, 14, 239, 104, 10, 14, 239, 103, 10, 14, 
-    239, 102, 10, 14, 239, 101, 10, 14, 239, 100, 10, 14, 239, 99, 10, 14, 
-    239, 98, 10, 14, 239, 97, 10, 14, 239, 96, 10, 14, 239, 95, 10, 14, 239, 
-    94, 10, 14, 239, 93, 10, 14, 239, 92, 10, 14, 239, 91, 10, 14, 239, 90, 
-    10, 14, 239, 89, 10, 14, 239, 88, 10, 14, 239, 87, 10, 14, 239, 86, 10, 
-    14, 239, 85, 10, 14, 239, 84, 10, 14, 239, 83, 10, 14, 239, 82, 10, 14, 
-    239, 81, 10, 14, 239, 80, 10, 14, 239, 79, 10, 14, 239, 78, 10, 14, 239, 
-    77, 10, 14, 239, 76, 10, 14, 239, 75, 10, 14, 239, 74, 10, 14, 239, 73, 
-    10, 14, 239, 72, 10, 14, 239, 71, 10, 14, 239, 70, 10, 14, 239, 69, 10, 
-    14, 239, 68, 10, 14, 239, 67, 10, 14, 239, 66, 10, 14, 239, 65, 10, 14, 
-    239, 64, 10, 14, 239, 63, 10, 14, 239, 62, 10, 14, 239, 61, 10, 14, 239, 
-    60, 10, 14, 239, 59, 10, 14, 239, 58, 10, 14, 239, 57, 10, 14, 239, 56, 
-    10, 14, 239, 55, 10, 14, 239, 54, 10, 14, 239, 53, 10, 14, 239, 52, 10, 
-    14, 239, 51, 10, 14, 239, 50, 10, 14, 239, 49, 10, 14, 239, 48, 10, 14, 
-    239, 47, 10, 14, 239, 46, 10, 14, 239, 45, 10, 14, 239, 44, 10, 14, 239, 
-    43, 10, 14, 239, 42, 10, 14, 239, 41, 10, 14, 239, 40, 10, 14, 239, 39, 
-    10, 14, 239, 38, 10, 14, 239, 37, 10, 14, 239, 36, 10, 14, 239, 35, 10, 
-    14, 239, 34, 10, 14, 239, 33, 10, 14, 239, 32, 10, 14, 239, 31, 10, 14, 
-    239, 30, 10, 14, 239, 29, 10, 14, 239, 28, 10, 14, 239, 27, 10, 14, 239, 
-    26, 10, 14, 239, 25, 10, 14, 239, 24, 10, 14, 239, 23, 10, 14, 239, 22, 
-    10, 14, 239, 21, 10, 14, 239, 20, 10, 14, 239, 19, 10, 14, 239, 18, 10, 
-    14, 239, 17, 10, 14, 239, 16, 10, 14, 239, 15, 10, 14, 239, 14, 10, 14, 
-    239, 13, 10, 14, 239, 12, 10, 14, 239, 11, 10, 14, 239, 10, 10, 14, 239, 
-    9, 10, 14, 239, 8, 10, 14, 239, 7, 10, 14, 239, 6, 10, 14, 239, 5, 10, 
-    14, 239, 4, 10, 14, 239, 3, 10, 14, 239, 2, 10, 14, 239, 1, 10, 14, 239, 
-    0, 10, 14, 238, 255, 10, 14, 238, 254, 10, 14, 238, 253, 10, 14, 238, 
-    252, 10, 14, 238, 251, 10, 14, 238, 250, 10, 14, 238, 249, 10, 14, 238, 
-    248, 10, 14, 238, 247, 10, 14, 238, 246, 10, 14, 238, 245, 10, 14, 238, 
-    244, 10, 14, 238, 243, 10, 14, 238, 242, 10, 14, 238, 241, 10, 14, 238, 
-    240, 10, 14, 238, 239, 10, 14, 238, 238, 10, 14, 238, 237, 10, 14, 238, 
-    236, 10, 14, 238, 235, 10, 14, 238, 234, 10, 14, 238, 233, 10, 14, 238, 
-    232, 10, 14, 238, 231, 10, 14, 238, 230, 10, 14, 238, 229, 10, 14, 238, 
-    228, 10, 14, 238, 227, 10, 14, 238, 226, 10, 14, 238, 225, 10, 14, 238, 
-    224, 10, 14, 238, 223, 10, 14, 238, 222, 10, 14, 238, 221, 10, 14, 238, 
-    220, 10, 14, 238, 219, 10, 14, 238, 218, 10, 14, 238, 217, 10, 14, 238, 
-    216, 10, 14, 238, 215, 10, 14, 238, 214, 10, 14, 238, 213, 10, 14, 238, 
-    212, 10, 14, 238, 211, 10, 14, 238, 210, 10, 14, 238, 209, 10, 14, 238, 
-    208, 10, 14, 238, 207, 10, 14, 238, 206, 10, 14, 238, 205, 10, 14, 238, 
-    204, 10, 14, 238, 203, 10, 14, 238, 202, 10, 14, 238, 201, 10, 14, 238, 
-    200, 10, 14, 238, 199, 10, 14, 238, 198, 10, 14, 238, 197, 10, 14, 238, 
-    196, 10, 14, 238, 195, 10, 14, 238, 194, 10, 14, 238, 193, 10, 14, 238, 
-    192, 10, 14, 238, 191, 10, 14, 238, 190, 10, 14, 238, 189, 10, 14, 238, 
-    188, 10, 14, 238, 187, 10, 14, 238, 186, 10, 14, 238, 185, 10, 14, 238, 
-    184, 10, 14, 238, 183, 10, 14, 238, 182, 10, 14, 238, 181, 10, 14, 238, 
-    180, 10, 14, 238, 179, 10, 14, 238, 178, 10, 14, 238, 177, 10, 14, 238, 
-    176, 10, 14, 238, 175, 10, 14, 238, 174, 10, 14, 238, 173, 10, 14, 238, 
-    172, 10, 14, 238, 171, 10, 14, 238, 170, 10, 14, 238, 169, 10, 14, 238, 
-    168, 10, 14, 238, 167, 10, 14, 238, 166, 10, 14, 238, 165, 10, 14, 238, 
-    164, 10, 14, 238, 163, 10, 14, 238, 162, 10, 14, 238, 161, 10, 14, 238, 
-    160, 10, 14, 238, 159, 10, 14, 238, 158, 10, 14, 238, 157, 10, 14, 238, 
-    156, 10, 14, 238, 155, 10, 14, 238, 154, 10, 14, 238, 153, 10, 14, 238, 
-    152, 10, 14, 238, 151, 10, 14, 238, 150, 10, 14, 238, 149, 10, 14, 238, 
-    148, 10, 14, 238, 147, 10, 14, 238, 146, 10, 14, 238, 145, 10, 14, 238, 
-    144, 10, 14, 238, 143, 10, 14, 238, 142, 10, 14, 238, 141, 10, 14, 238, 
-    140, 10, 14, 238, 139, 10, 14, 238, 138, 10, 14, 238, 137, 10, 14, 238, 
-    136, 10, 14, 238, 135, 10, 14, 238, 134, 10, 14, 238, 133, 10, 14, 238, 
-    132, 10, 14, 238, 131, 10, 14, 238, 130, 10, 14, 238, 129, 10, 14, 238, 
-    128, 10, 14, 238, 127, 10, 14, 238, 126, 10, 14, 238, 125, 10, 14, 238, 
-    124, 10, 14, 238, 123, 10, 14, 238, 122, 10, 14, 238, 121, 10, 14, 238, 
-    120, 10, 14, 238, 119, 10, 14, 238, 118, 10, 14, 238, 117, 10, 14, 238, 
-    116, 10, 14, 238, 115, 10, 14, 238, 114, 10, 14, 238, 113, 10, 14, 238, 
-    112, 10, 14, 238, 111, 10, 14, 238, 110, 10, 14, 238, 109, 10, 14, 238, 
-    108, 10, 14, 238, 107, 10, 14, 238, 106, 10, 14, 238, 105, 10, 14, 238, 
-    104, 10, 14, 238, 103, 10, 14, 238, 102, 10, 14, 238, 101, 10, 14, 238, 
-    100, 10, 14, 238, 99, 10, 14, 238, 98, 10, 14, 238, 97, 10, 14, 238, 96, 
-    10, 14, 238, 95, 10, 14, 238, 94, 10, 14, 238, 93, 10, 14, 238, 92, 10, 
-    14, 238, 91, 10, 14, 238, 90, 10, 14, 238, 89, 10, 14, 238, 88, 10, 14, 
-    238, 87, 10, 14, 238, 86, 10, 14, 238, 85, 10, 14, 238, 84, 10, 14, 238, 
-    83, 10, 14, 238, 82, 10, 14, 238, 81, 10, 14, 238, 80, 233, 96, 217, 85, 
-    129, 219, 20, 129, 245, 39, 79, 129, 224, 1, 79, 129, 54, 50, 129, 247, 
-    140, 50, 129, 225, 185, 50, 129, 254, 134, 129, 254, 65, 129, 43, 226, 7, 
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-    174, 129, 243, 236, 218, 131, 129, 219, 48, 129, 21, 210, 86, 129, 21, 
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-    152, 129, 233, 21, 50, 129, 245, 106, 50, 129, 242, 137, 50, 129, 224, 
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-    166, 129, 7, 6, 1, 251, 74, 129, 7, 6, 1, 249, 68, 129, 7, 6, 1, 76, 129, 
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-    156, 129, 7, 6, 1, 194, 129, 7, 6, 1, 230, 30, 129, 7, 6, 1, 78, 129, 7, 
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-    222, 93, 129, 7, 6, 1, 217, 153, 129, 7, 6, 1, 69, 129, 7, 6, 1, 214, 
-    105, 129, 7, 6, 1, 212, 98, 129, 7, 6, 1, 211, 178, 129, 7, 6, 1, 211, 
-    117, 129, 7, 6, 1, 210, 159, 129, 43, 42, 127, 129, 223, 53, 219, 48, 
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-    251, 74, 129, 7, 4, 1, 249, 68, 129, 7, 4, 1, 76, 129, 7, 4, 1, 245, 14, 
-    129, 7, 4, 1, 243, 209, 129, 7, 4, 1, 242, 67, 129, 7, 4, 1, 74, 129, 7, 
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-    194, 129, 7, 4, 1, 230, 30, 129, 7, 4, 1, 78, 129, 7, 4, 1, 226, 109, 
-    129, 7, 4, 1, 224, 99, 129, 7, 4, 1, 153, 129, 7, 4, 1, 222, 93, 129, 7, 
-    4, 1, 217, 153, 129, 7, 4, 1, 69, 129, 7, 4, 1, 214, 105, 129, 7, 4, 1, 
-    212, 98, 129, 7, 4, 1, 211, 178, 129, 7, 4, 1, 211, 117, 129, 7, 4, 1, 
-    210, 159, 129, 43, 249, 107, 127, 129, 67, 232, 219, 129, 44, 249, 107, 
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-    247, 45, 220, 239, 45, 220, 238, 45, 220, 237, 45, 220, 236, 45, 220, 
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-    229, 45, 220, 228, 45, 220, 227, 45, 220, 226, 45, 220, 225, 45, 220, 
-    223, 45, 220, 222, 45, 220, 221, 45, 220, 220, 45, 220, 219, 45, 220, 
-    218, 45, 220, 217, 45, 220, 216, 45, 220, 215, 45, 220, 214, 45, 220, 
-    212, 45, 220, 211, 45, 220, 210, 45, 220, 209, 45, 220, 208, 45, 220, 
-    207, 45, 220, 206, 45, 220, 205, 45, 220, 204, 45, 220, 203, 45, 220, 
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-    196, 45, 220, 195, 45, 220, 194, 45, 220, 193, 45, 220, 192, 45, 220, 
-    190, 45, 220, 189, 45, 220, 188, 45, 220, 187, 45, 220, 186, 45, 220, 
-    185, 45, 220, 184, 45, 220, 183, 45, 220, 182, 45, 220, 181, 45, 220, 
-    179, 45, 220, 178, 45, 220, 177, 45, 220, 176, 45, 220, 175, 45, 220, 
-    174, 45, 220, 173, 45, 220, 172, 45, 220, 171, 45, 220, 170, 45, 220, 
-    168, 45, 220, 167, 45, 220, 166, 45, 220, 165, 45, 220, 164, 45, 220, 
-    163, 45, 220, 162, 45, 220, 161, 45, 220, 160, 45, 220, 159, 45, 221, 
-    156, 45, 221, 155, 45, 221, 154, 45, 221, 153, 45, 221, 152, 45, 221, 
-    151, 45, 221, 150, 45, 221, 149, 45, 221, 148, 45, 221, 147, 45, 221, 
-    145, 45, 221, 144, 45, 221, 143, 45, 221, 142, 45, 221, 141, 45, 221, 
-    140, 45, 221, 139, 45, 221, 138, 45, 221, 137, 45, 221, 136, 45, 221, 
-    134, 45, 221, 133, 45, 221, 132, 45, 221, 131, 45, 221, 130, 45, 221, 
-    129, 45, 221, 128, 45, 221, 127, 45, 221, 126, 45, 221, 125, 45, 221, 
-    123, 45, 221, 122, 45, 221, 121, 45, 221, 120, 45, 221, 119, 45, 221, 
-    118, 45, 221, 117, 45, 221, 116, 45, 221, 115, 45, 221, 114, 45, 221, 
-    112, 45, 221, 111, 45, 221, 110, 45, 221, 109, 45, 221, 108, 45, 221, 
-    107, 45, 221, 106, 45, 221, 105, 45, 221, 104, 45, 221, 103, 45, 221, 
-    101, 45, 221, 100, 45, 221, 99, 45, 221, 98, 45, 221, 97, 45, 221, 96, 
-    45, 221, 95, 45, 221, 94, 45, 221, 93, 45, 221, 92, 45, 221, 90, 45, 221, 
-    89, 45, 221, 88, 45, 221, 87, 45, 221, 86, 45, 221, 85, 45, 221, 84, 45, 
-    221, 83, 45, 221, 82, 45, 221, 81, 45, 221, 79, 45, 221, 78, 45, 221, 77, 
-    45, 221, 76, 45, 221, 75, 45, 221, 74, 45, 221, 73, 45, 221, 72, 45, 221, 
-    71, 45, 221, 70, 45, 221, 68, 45, 221, 67, 45, 221, 66, 45, 221, 65, 45, 
-    221, 64, 45, 221, 63, 45, 221, 62, 45, 221, 61, 45, 221, 60, 45, 221, 59, 
-    45, 221, 57, 45, 221, 56, 45, 221, 55, 45, 221, 54, 45, 221, 53, 45, 221, 
-    52, 45, 221, 51, 45, 221, 50, 45, 221, 49, 45, 221, 48, 45, 221, 45, 45, 
-    221, 44, 45, 221, 43, 45, 221, 42, 45, 221, 41, 45, 221, 40, 45, 221, 39, 
-    45, 221, 38, 45, 221, 37, 45, 221, 36, 45, 221, 34, 45, 221, 33, 45, 221, 
-    32, 45, 221, 31, 45, 221, 30, 45, 221, 29, 45, 221, 28, 45, 221, 27, 45, 
-    221, 26, 45, 221, 25, 45, 221, 23, 45, 221, 22, 45, 221, 21, 45, 221, 20, 
-    45, 221, 19, 45, 221, 18, 45, 221, 17, 45, 221, 16, 45, 221, 15, 45, 221, 
-    14, 45, 221, 12, 45, 221, 11, 45, 221, 10, 45, 221, 9, 45, 221, 8, 45, 
-    221, 7, 45, 221, 6, 45, 221, 5, 45, 221, 4, 45, 221, 3, 45, 221, 1, 45, 
-    221, 0, 45, 220, 255, 45, 220, 254, 45, 220, 253, 45, 220, 252, 45, 220, 
-    251, 45, 220, 250, 45, 220, 249, 45, 220, 248, 45, 220, 246, 45, 220, 
-    245, 45, 220, 244, 45, 220, 243, 45, 220, 242, 45, 220, 241, 45, 220, 
-    240, 227, 206, 227, 208, 218, 154, 64, 241, 240, 219, 50, 218, 154, 64, 
-    216, 213, 218, 86, 245, 151, 64, 216, 213, 245, 64, 245, 151, 64, 215, 
-    244, 245, 117, 245, 140, 245, 141, 255, 16, 255, 17, 254, 176, 252, 55, 
-    252, 187, 251, 139, 135, 217, 90, 203, 217, 90, 240, 234, 217, 94, 232, 
-    220, 244, 153, 166, 232, 219, 245, 151, 64, 232, 219, 233, 6, 228, 140, 
-    245, 120, 232, 220, 217, 90, 67, 217, 90, 212, 118, 244, 28, 244, 153, 
-    244, 133, 250, 238, 223, 56, 249, 151, 220, 30, 226, 134, 232, 156, 111, 
-    219, 60, 220, 30, 236, 6, 232, 156, 210, 86, 219, 193, 248, 159, 232, 
-    210, 245, 85, 247, 163, 248, 39, 249, 186, 111, 248, 149, 248, 39, 249, 
-    186, 105, 248, 148, 248, 39, 249, 186, 158, 248, 147, 248, 39, 249, 186, 
-    161, 248, 146, 152, 255, 16, 229, 214, 217, 178, 236, 69, 217, 181, 245, 
-    151, 64, 215, 245, 251, 221, 245, 70, 251, 13, 251, 15, 245, 151, 64, 
-    231, 86, 245, 118, 218, 62, 218, 79, 245, 85, 245, 86, 235, 239, 220, 
-    140, 161, 244, 115, 220, 139, 243, 245, 235, 239, 220, 140, 158, 242, 
-    128, 220, 139, 242, 125, 235, 239, 220, 140, 105, 223, 124, 220, 139, 
-    222, 147, 235, 239, 220, 140, 111, 214, 174, 220, 139, 214, 133, 219, 23, 
-    248, 71, 248, 73, 226, 82, 250, 150, 226, 84, 125, 226, 244, 224, 196, 
-    241, 54, 251, 158, 225, 176, 241, 210, 251, 169, 228, 80, 251, 158, 241, 
-    210, 229, 180, 235, 249, 235, 251, 229, 87, 232, 219, 229, 104, 218, 154, 
-    64, 221, 160, 254, 26, 218, 225, 245, 151, 64, 221, 160, 254, 26, 245, 
-    88, 135, 217, 91, 220, 129, 203, 217, 91, 220, 129, 240, 231, 135, 217, 
-    91, 2, 235, 41, 203, 217, 91, 2, 235, 41, 240, 232, 232, 220, 217, 91, 
-    220, 129, 67, 217, 91, 220, 129, 212, 117, 226, 1, 232, 220, 244, 22, 
-    226, 1, 232, 220, 246, 114, 225, 35, 226, 1, 232, 220, 252, 186, 226, 1, 
-    232, 220, 214, 163, 225, 31, 223, 53, 232, 220, 244, 153, 223, 53, 235, 
-    249, 223, 38, 219, 157, 220, 30, 105, 219, 154, 218, 227, 219, 157, 220, 
-    30, 158, 219, 153, 218, 226, 248, 39, 249, 186, 218, 107, 248, 145, 224, 
-    186, 214, 132, 111, 224, 186, 214, 130, 224, 152, 224, 186, 214, 132, 
-    105, 224, 186, 214, 129, 224, 151, 220, 130, 215, 243, 218, 153, 218, 90, 
-    251, 14, 250, 150, 250, 217, 231, 48, 212, 59, 230, 48, 218, 154, 64, 
-    242, 114, 254, 26, 218, 154, 64, 224, 169, 254, 26, 219, 22, 245, 151, 
-    64, 242, 114, 254, 26, 245, 151, 64, 224, 169, 254, 26, 245, 115, 218, 
-    154, 64, 218, 107, 219, 37, 219, 157, 242, 148, 135, 235, 202, 220, 109, 
-    219, 157, 135, 235, 202, 221, 196, 249, 186, 220, 137, 235, 202, 249, 
-    121, 218, 108, 216, 237, 218, 170, 226, 173, 217, 168, 249, 226, 226, 
-    146, 224, 187, 231, 47, 225, 22, 254, 61, 224, 181, 249, 226, 254, 77, 
-    229, 168, 219, 202, 7, 6, 1, 243, 0, 7, 4, 1, 243, 0, 250, 167, 254, 157, 
-    183, 218, 68, 249, 235, 219, 108, 233, 52, 165, 1, 232, 181, 209, 209, 1, 
-    244, 52, 244, 44, 209, 209, 1, 244, 52, 244, 165, 209, 209, 1, 222, 213, 
-    209, 209, 1, 232, 162, 63, 164, 251, 231, 220, 5, 242, 222, 230, 253, 
-    223, 44, 243, 223, 243, 222, 243, 221, 230, 50, 209, 251, 209, 252, 209, 
-    254, 232, 107, 222, 221, 232, 109, 222, 223, 225, 227, 232, 106, 222, 
-    220, 228, 111, 230, 170, 211, 229, 232, 108, 222, 222, 243, 244, 225, 
-    226, 212, 15, 245, 170, 243, 233, 230, 234, 226, 201, 214, 134, 87, 230, 
-    234, 248, 165, 87, 8, 3, 235, 164, 79, 224, 197, 244, 28, 31, 67, 44, 71, 
-    233, 26, 127, 213, 118, 213, 7, 212, 195, 212, 184, 212, 173, 212, 162, 
-    212, 151, 212, 140, 212, 129, 213, 117, 213, 106, 213, 95, 213, 84, 213, 
-    73, 213, 62, 213, 51, 251, 79, 226, 159, 79, 251, 204, 209, 253, 15, 5, 
-    227, 215, 216, 240, 15, 5, 227, 215, 115, 227, 215, 251, 107, 115, 251, 
-    106, 49, 28, 16, 243, 243, 219, 104, 250, 81, 214, 9, 213, 40, 213, 29, 
-    213, 18, 213, 6, 212, 251, 212, 240, 212, 229, 212, 218, 212, 207, 212, 
-    199, 212, 198, 212, 197, 212, 196, 212, 194, 212, 193, 212, 192, 212, 
-    191, 212, 190, 212, 189, 212, 188, 212, 187, 212, 186, 212, 185, 212, 
-    183, 212, 182, 212, 181, 212, 180, 212, 179, 212, 178, 212, 177, 212, 
-    176, 212, 175, 212, 174, 212, 172, 212, 171, 212, 170, 212, 169, 212, 
-    168, 212, 167, 212, 166, 212, 165, 212, 164, 212, 163, 212, 161, 212, 
-    160, 212, 159, 212, 158, 212, 157, 212, 156, 212, 155, 212, 154, 212, 
-    153, 212, 152, 212, 150, 212, 149, 212, 148, 212, 147, 212, 146, 212, 
-    145, 212, 144, 212, 143, 212, 142, 212, 141, 212, 139, 212, 138, 212, 
-    137, 212, 136, 212, 135, 212, 134, 212, 133, 212, 132, 212, 131, 212, 
-    130, 212, 128, 212, 127, 212, 126, 212, 125, 212, 124, 212, 123, 212, 
-    122, 212, 121, 212, 120, 212, 119, 213, 116, 213, 115, 213, 114, 213, 
-    113, 213, 112, 213, 111, 213, 110, 213, 109, 213, 108, 213, 107, 213, 
-    105, 213, 104, 213, 103, 213, 102, 213, 101, 213, 100, 213, 99, 213, 98, 
-    213, 97, 213, 96, 213, 94, 213, 93, 213, 92, 213, 91, 213, 90, 213, 89, 
-    213, 88, 213, 87, 213, 86, 213, 85, 213, 83, 213, 82, 213, 81, 213, 80, 
-    213, 79, 213, 78, 213, 77, 213, 76, 213, 75, 213, 74, 213, 72, 213, 71, 
-    213, 70, 213, 69, 213, 68, 213, 67, 213, 66, 213, 65, 213, 64, 213, 63, 
-    213, 61, 213, 60, 213, 59, 213, 58, 213, 57, 213, 56, 213, 55, 213, 54, 
-    213, 53, 213, 52, 213, 50, 213, 49, 213, 48, 213, 47, 213, 46, 213, 45, 
-    213, 44, 213, 43, 213, 42, 213, 41, 213, 39, 213, 38, 213, 37, 213, 36, 
-    213, 35, 213, 34, 213, 33, 213, 32, 213, 31, 213, 30, 213, 28, 213, 27, 
-    213, 26, 213, 25, 213, 24, 213, 23, 213, 22, 213, 21, 213, 20, 213, 19, 
-    213, 17, 213, 16, 213, 15, 213, 14, 213, 13, 213, 12, 213, 11, 213, 10, 
-    213, 9, 213, 8, 213, 5, 213, 4, 213, 3, 213, 2, 213, 1, 213, 0, 212, 255, 
-    212, 254, 212, 253, 212, 252, 212, 250, 212, 249, 212, 248, 212, 247, 
-    212, 246, 212, 245, 212, 244, 212, 243, 212, 242, 212, 241, 212, 239, 
-    212, 238, 212, 237, 212, 236, 212, 235, 212, 234, 212, 233, 212, 232, 
-    212, 231, 212, 230, 212, 228, 212, 227, 212, 226, 212, 225, 212, 224, 
-    212, 223, 212, 222, 212, 221, 212, 220, 212, 219, 212, 217, 212, 216, 
-    212, 215, 212, 214, 212, 213, 212, 212, 212, 211, 212, 210, 212, 209, 
-    212, 208, 212, 206, 212, 205, 212, 204, 212, 203, 212, 202, 212, 201, 
-    212, 200, 7, 6, 1, 116, 2, 231, 238, 22, 242, 143, 7, 4, 1, 116, 2, 231, 
-    238, 22, 242, 143, 7, 6, 1, 160, 2, 67, 232, 220, 51, 7, 4, 1, 160, 2, 
-    67, 232, 220, 51, 7, 6, 1, 160, 2, 67, 232, 220, 252, 51, 22, 242, 143, 
-    7, 4, 1, 160, 2, 67, 232, 220, 252, 51, 22, 242, 143, 7, 6, 1, 160, 2, 
-    67, 232, 220, 252, 51, 22, 142, 7, 4, 1, 160, 2, 67, 232, 220, 252, 51, 
-    22, 142, 7, 6, 1, 160, 2, 250, 39, 22, 231, 237, 7, 4, 1, 160, 2, 250, 
-    39, 22, 231, 237, 7, 6, 1, 160, 2, 250, 39, 22, 250, 242, 7, 4, 1, 160, 
-    2, 250, 39, 22, 250, 242, 7, 6, 1, 240, 161, 2, 231, 238, 22, 242, 143, 
-    7, 4, 1, 240, 161, 2, 231, 238, 22, 242, 143, 7, 4, 1, 240, 161, 2, 59, 
-    72, 22, 142, 7, 4, 1, 229, 85, 2, 216, 90, 48, 7, 6, 1, 144, 2, 67, 232, 
-    220, 51, 7, 4, 1, 144, 2, 67, 232, 220, 51, 7, 6, 1, 144, 2, 67, 232, 
-    220, 252, 51, 22, 242, 143, 7, 4, 1, 144, 2, 67, 232, 220, 252, 51, 22, 
-    242, 143, 7, 6, 1, 144, 2, 67, 232, 220, 252, 51, 22, 142, 7, 4, 1, 144, 
-    2, 67, 232, 220, 252, 51, 22, 142, 7, 6, 1, 222, 94, 2, 67, 232, 220, 51, 
-    7, 4, 1, 222, 94, 2, 67, 232, 220, 51, 7, 6, 1, 104, 2, 231, 238, 22, 
-    242, 143, 7, 4, 1, 104, 2, 231, 238, 22, 242, 143, 7, 6, 1, 116, 2, 226, 
-    229, 22, 142, 7, 4, 1, 116, 2, 226, 229, 22, 142, 7, 6, 1, 116, 2, 226, 
-    229, 22, 184, 7, 4, 1, 116, 2, 226, 229, 22, 184, 7, 6, 1, 160, 2, 226, 
-    229, 22, 142, 7, 4, 1, 160, 2, 226, 229, 22, 142, 7, 6, 1, 160, 2, 226, 
-    229, 22, 184, 7, 4, 1, 160, 2, 226, 229, 22, 184, 7, 6, 1, 160, 2, 59, 
-    72, 22, 142, 7, 4, 1, 160, 2, 59, 72, 22, 142, 7, 6, 1, 160, 2, 59, 72, 
-    22, 184, 7, 4, 1, 160, 2, 59, 72, 22, 184, 7, 4, 1, 240, 161, 2, 59, 72, 
-    22, 242, 143, 7, 4, 1, 240, 161, 2, 59, 72, 22, 184, 7, 6, 1, 240, 161, 
-    2, 226, 229, 22, 142, 7, 4, 1, 240, 161, 2, 226, 229, 22, 59, 72, 22, 
-    142, 7, 6, 1, 240, 161, 2, 226, 229, 22, 184, 7, 4, 1, 240, 161, 2, 226, 
-    229, 22, 59, 72, 22, 184, 7, 6, 1, 235, 151, 2, 184, 7, 4, 1, 235, 151, 
-    2, 59, 72, 22, 184, 7, 6, 1, 233, 155, 2, 184, 7, 4, 1, 233, 155, 2, 184, 
-    7, 6, 1, 232, 55, 2, 184, 7, 4, 1, 232, 55, 2, 184, 7, 6, 1, 223, 227, 2, 
-    184, 7, 4, 1, 223, 227, 2, 184, 7, 6, 1, 104, 2, 226, 229, 22, 142, 7, 4, 
-    1, 104, 2, 226, 229, 22, 142, 7, 6, 1, 104, 2, 226, 229, 22, 184, 7, 4, 
-    1, 104, 2, 226, 229, 22, 184, 7, 6, 1, 104, 2, 231, 238, 22, 142, 7, 4, 
-    1, 104, 2, 231, 238, 22, 142, 7, 6, 1, 104, 2, 231, 238, 22, 184, 7, 4, 
-    1, 104, 2, 231, 238, 22, 184, 7, 4, 1, 254, 253, 2, 242, 143, 7, 4, 1, 
-    204, 144, 2, 242, 143, 7, 4, 1, 204, 144, 2, 142, 7, 4, 1, 215, 94, 214, 
-    106, 2, 242, 143, 7, 4, 1, 215, 94, 214, 106, 2, 142, 7, 4, 1, 221, 198, 
-    2, 242, 143, 7, 4, 1, 221, 198, 2, 142, 7, 4, 1, 241, 58, 221, 198, 2, 
-    242, 143, 7, 4, 1, 241, 58, 221, 198, 2, 142, 9, 220, 137, 77, 2, 182, 
-    72, 2, 254, 179, 9, 220, 137, 77, 2, 182, 72, 2, 212, 30, 9, 220, 137, 
-    77, 2, 182, 72, 2, 109, 231, 197, 9, 220, 137, 77, 2, 182, 72, 2, 226, 
-    238, 9, 220, 137, 77, 2, 182, 72, 2, 69, 9, 220, 137, 77, 2, 182, 72, 2, 
-    210, 212, 9, 220, 137, 77, 2, 182, 72, 2, 76, 9, 220, 137, 77, 2, 182, 
-    72, 2, 254, 252, 9, 220, 137, 228, 68, 2, 234, 180, 146, 1, 234, 115, 36, 
-    117, 235, 29, 36, 117, 229, 84, 36, 117, 251, 74, 36, 117, 227, 171, 36, 
-    117, 215, 160, 36, 117, 228, 116, 36, 117, 217, 153, 36, 117, 230, 30, 
-    36, 117, 226, 109, 36, 117, 194, 36, 117, 211, 117, 36, 117, 153, 36, 
-    117, 156, 36, 117, 214, 105, 36, 117, 232, 182, 36, 117, 232, 191, 36, 
-    117, 222, 182, 36, 117, 228, 98, 36, 117, 235, 150, 36, 117, 220, 106, 
-    36, 117, 218, 228, 36, 117, 222, 93, 36, 117, 242, 67, 36, 117, 233, 238, 
-    36, 3, 235, 16, 36, 3, 234, 98, 36, 3, 234, 89, 36, 3, 233, 223, 36, 3, 
-    233, 194, 36, 3, 234, 188, 36, 3, 234, 187, 36, 3, 234, 252, 36, 3, 234, 
-    34, 36, 3, 234, 16, 36, 3, 234, 201, 36, 3, 229, 81, 36, 3, 229, 32, 36, 
-    3, 229, 28, 36, 3, 228, 253, 36, 3, 228, 246, 36, 3, 229, 69, 36, 3, 229, 
-    67, 36, 3, 229, 78, 36, 3, 229, 9, 36, 3, 229, 4, 36, 3, 229, 71, 36, 3, 
-    251, 40, 36, 3, 250, 59, 36, 3, 250, 49, 36, 3, 249, 120, 36, 3, 249, 91, 
-    36, 3, 250, 198, 36, 3, 250, 190, 36, 3, 251, 30, 36, 3, 249, 246, 36, 3, 
-    249, 182, 36, 3, 250, 230, 36, 3, 227, 168, 36, 3, 227, 152, 36, 3, 227, 
-    147, 36, 3, 227, 132, 36, 3, 227, 125, 36, 3, 227, 160, 36, 3, 227, 159, 
-    36, 3, 227, 165, 36, 3, 227, 138, 36, 3, 227, 136, 36, 3, 227, 163, 36, 
-    3, 215, 156, 36, 3, 215, 136, 36, 3, 215, 135, 36, 3, 215, 124, 36, 3, 
-    215, 121, 36, 3, 215, 152, 36, 3, 215, 151, 36, 3, 215, 155, 36, 3, 215, 
-    134, 36, 3, 215, 133, 36, 3, 215, 154, 36, 3, 228, 114, 36, 3, 228, 100, 
-    36, 3, 228, 99, 36, 3, 228, 83, 36, 3, 228, 82, 36, 3, 228, 110, 36, 3, 
-    228, 109, 36, 3, 228, 113, 36, 3, 228, 85, 36, 3, 228, 84, 36, 3, 228, 
-    112, 36, 3, 217, 102, 36, 3, 216, 118, 36, 3, 216, 104, 36, 3, 215, 119, 
-    36, 3, 215, 85, 36, 3, 217, 23, 36, 3, 217, 12, 36, 3, 217, 80, 36, 3, 
-    112, 36, 3, 216, 18, 36, 3, 217, 42, 36, 3, 229, 230, 36, 3, 228, 238, 
-    36, 3, 228, 213, 36, 3, 227, 242, 36, 3, 227, 183, 36, 3, 229, 112, 36, 
-    3, 229, 108, 36, 3, 229, 217, 36, 3, 228, 79, 36, 3, 228, 69, 36, 3, 229, 
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+    52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 
+    52, 52, 
 };
 
 static unsigned int phrasebook_offset2[] = {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 6, 9, 11, 14, 17, 19, 21, 24, 27, 29, 31, 
     33, 35, 39, 41, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 69, 72, 
-    75, 78, 82, 86, 91, 96, 101, 105, 110, 115, 120, 124, 129, 134, 138, 142, 
-    147, 151, 156, 161, 165, 170, 175, 179, 184, 189, 194, 199, 204, 207, 
+    75, 78, 82, 86, 91, 96, 101, 105, 110, 115, 120, 124, 129, 134, 138, 143, 
+    148, 152, 157, 162, 166, 170, 175, 179, 184, 189, 194, 199, 204, 207, 
     211, 214, 218, 221, 225, 229, 234, 239, 244, 248, 253, 258, 263, 267, 
-    272, 277, 281, 285, 290, 294, 299, 304, 308, 313, 318, 322, 327, 332, 
+    272, 277, 281, 286, 291, 295, 300, 305, 309, 313, 318, 322, 327, 332, 
     337, 342, 347, 351, 354, 358, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 359, 363, 368, 
-    371, 374, 377, 380, 383, 386, 388, 391, 397, 405, 408, 412, 415, 417, 
-    420, 423, 426, 429, 433, 436, 439, 443, 445, 448, 454, 462, 469, 476, 
-    483, 488, 495, 501, 508, 514, 521, 529, 534, 542, 549, 555, 562, 569, 
-    577, 584, 592, 600, 605, 612, 619, 625, 632, 638, 645, 648, 654, 661, 
-    667, 674, 681, 688, 693, 700, 707, 713, 720, 726, 733, 741, 746, 754, 
-    761, 767, 774, 781, 789, 796, 804, 812, 817, 824, 831, 837, 844, 850, 
-    857, 860, 866, 873, 879, 886, 893, 900, 905, 913, 920, 927, 934, 941, 
-    948, 955, 962, 969, 977, 985, 993, 1001, 1009, 1017, 1025, 1033, 1040, 
-    1047, 1054, 1061, 1068, 1075, 1082, 1089, 1096, 1103, 1110, 1117, 1125, 
-    1133, 1141, 1149, 1157, 1165, 1173, 1181, 1189, 1197, 1204, 1211, 1218, 
-    1225, 1233, 1241, 1249, 1257, 1265, 1273, 1281, 1287, 1292, 1297, 1305, 
-    1313, 1321, 1329, 1334, 1341, 1348, 1356, 1364, 1372, 1380, 1390, 1400, 
-    1407, 1414, 1421, 1428, 1436, 1444, 1452, 1460, 1471, 1476, 1481, 1488, 
-    1495, 1502, 1509, 1516, 1523, 1528, 1533, 1540, 1547, 1555, 1563, 1571, 
-    1579, 1586, 1593, 1601, 1609, 1617, 1625, 1633, 1641, 1649, 1657, 1665, 
-    1673, 1680, 1687, 1693, 1699, 1706, 1713, 1720, 1727, 1735, 1743, 1750, 
-    1757, 1764, 1771, 1779, 1787, 1795, 1803, 1811, 1818, 1825, 1833, 1841, 
-    1849, 1857, 1863, 1869, 1875, 1882, 1889, 1894, 1899, 1904, 1911, 1918, 
-    1925, 1932, 1940, 1948, 1955, 1961, 1966, 1971, 1978, 1985, 1992, 1997, 
-    2002, 2007, 2014, 2021, 2028, 2035, 2042, 2048, 2056, 2066, 2074, 2081, 
-    2088, 2093, 2098, 2105, 2112, 2116, 2121, 2126, 2131, 2139, 2148, 2155, 
-    2162, 2171, 2178, 2185, 2190, 2197, 2204, 2211, 2218, 2225, 2230, 2237, 
-    2244, 2252, 2257, 2262, 2267, 2277, 2281, 2287, 2293, 2299, 2305, 2313, 
-    2326, 2334, 2339, 2349, 2354, 2359, 2369, 2374, 2381, 2388, 2396, 2404, 
-    2411, 2418, 2425, 2432, 2442, 2452, 2461, 2470, 2480, 2490, 2500, 2510, 
-    2516, 2526, 2536, 2546, 2556, 2564, 2572, 2579, 2586, 2594, 2602, 2610, 
-    2618, 2625, 2632, 2642, 2652, 2660, 2668, 2676, 2681, 2691, 2696, 2703, 
-    2710, 2715, 2720, 2728, 2736, 2746, 2756, 2763, 2770, 2779, 2788, 2796, 
-    2804, 2813, 2822, 2830, 2838, 2847, 2856, 2865, 2874, 2884, 2894, 2902, 
-    2910, 2919, 2928, 2937, 2946, 2956, 2966, 2974, 2982, 2991, 3000, 3009, 
-    3018, 3027, 3036, 3041, 3046, 3054, 3062, 3072, 3080, 3085, 3090, 3097, 
-    3104, 3111, 3118, 3125, 3132, 3142, 3152, 3162, 3172, 3179, 3186, 3196, 
-    3206, 3214, 3222, 3230, 3238, 3246, 3253, 3260, 3267, 3273, 3280, 3287, 
-    3294, 3303, 3313, 3323, 3330, 3337, 3343, 3348, 3355, 3361, 3367, 3374, 
-    3381, 3392, 3402, 3409, 3416, 3423, 3430, 3436, 3441, 3448, 3454, 3459, 
-    3467, 3475, 3482, 3488, 3493, 3500, 3505, 3512, 3521, 3530, 3539, 3546, 
-    3552, 3558, 3563, 3570, 3577, 3584, 3591, 3598, 3603, 3608, 3617, 3625, 
-    3634, 3639, 3645, 3656, 3663, 3671, 3680, 3686, 3692, 3698, 3705, 3710, 
-    3716, 3727, 3736, 3745, 3753, 3761, 3771, 3776, 3783, 3790, 3795, 3807, 
-    3816, 3824, 3831, 3840, 3845, 3850, 3857, 3864, 3871, 3878, 3884, 3893, 
-    3901, 3906, 3914, 3920, 3928, 3936, 3942, 3948, 3954, 3961, 3969, 3975, 
-    3983, 3990, 3995, 4002, 4010, 4020, 4027, 4034, 4044, 4051, 4058, 4068, 
-    4075, 4082, 4089, 4095, 4101, 4111, 4124, 4129, 4136, 4141, 4145, 4151, 
-    4160, 4167, 4172, 4177, 4181, 4186, 4192, 4196, 4202, 4208, 4214, 4220, 
-    4228, 4233, 4238, 4243, 4248, 4254, 4256, 4261, 4265, 4271, 4277, 4283, 
-    4288, 4295, 4302, 4308, 4315, 4323, 4331, 4336, 4341, 4345, 4350, 4352, 
-    4354, 4357, 4359, 4361, 4366, 4371, 4377, 4382, 4386, 4391, 4396, 4405, 
-    4411, 4416, 4422, 4427, 4433, 4441, 4449, 4453, 4457, 4462, 4468, 4474, 
-    4480, 4486, 4491, 4499, 4508, 4517, 4521, 4527, 4534, 4541, 4548, 4555, 
-    4559, 4564, 4569, 4574, 4579, 4584, 4586, 4589, 4592, 4595, 4598, 4601, 
-    4605, 4609, 4615, 4618, 4623, 4629, 4635, 4638, 4643, 4649, 4653, 4659, 
-    4665, 4671, 4677, 4682, 4687, 4692, 4695, 4701, 4706, 4711, 4715, 4720, 
-    4726, 4732, 4735, 4739, 4743, 4747, 4750, 4753, 4758, 4762, 4769, 4773, 
-    4779, 4783, 4789, 4793, 4797, 4801, 4806, 4811, 4818, 4824, 4831, 4837, 
-    4843, 4849, 4852, 4856, 4860, 4863, 4867, 4872, 4877, 4881, 4885, 4891, 
-    4895, 4899, 4904, 4910, 4915, 4921, 4925, 4932, 4937, 4942, 4947, 4952, 
-    4958, 4961, 4965, 4970, 4975, 4984, 4990, 4995, 4999, 5004, 5008, 5013, 
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-    5077, 5083, 5088, 5093, 5099, 5105, 5111, 5116, 5121, 5128, 5135, 5139, 
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-    5871, 5880, 5891, 5899, 5904, 5909, 5914, 5921, 5926, 5932, 5937, 5942, 
-    5947, 5952, 5957, 5962, 5970, 5976, 5981, 5985, 5990, 5995, 6000, 6005, 
-    6010, 6015, 6020, 6024, 6030, 6034, 6039, 6044, 6049, 6053, 6058, 6063, 
-    6068, 6073, 6077, 6082, 6086, 6091, 6096, 6101, 6106, 6112, 6117, 6123, 
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-    6241, 6246, 6251, 6256, 6261, 6267, 6272, 6278, 6282, 6287, 6291, 6299, 
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-    6370, 6376, 6381, 6386, 6391, 6396, 6401, 6407, 6413, 6420, 6427, 6436, 
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-    6517, 6528, 6539, 6544, 6549, 6556, 6563, 6571, 6579, 6584, 6589, 6594, 
-    6599, 6603, 6607, 6611, 6617, 6623, 6627, 6634, 6639, 6649, 6659, 6665, 
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-    6767, 6775, 6783, 6791, 6799, 6806, 6813, 6819, 6825, 6833, 6841, 6848, 
-    6855, 6864, 6873, 6879, 6885, 6893, 6901, 6909, 6917, 6923, 6929, 6937, 
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-    7031, 7041, 7051, 7055, 7063, 7071, 7078, 7085, 7093, 7101, 7108, 7115, 
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-    10100, 10106, 10112, 10118, 10125, 10132, 10139, 10145, 10153, 10162, 
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-    10231, 10236, 10241, 0, 10246, 10250, 10254, 10260, 10264, 10268, 10274, 
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-    10326, 10330, 10334, 10338, 10342, 10347, 10350, 10354, 10360, 10364, 
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-    10415, 10419, 10424, 10428, 10432, 10439, 10446, 10450, 10454, 10459, 
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-    11112, 11117, 11122, 11127, 11132, 11137, 11142, 11147, 11152, 11157, 
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-    11906, 11912, 11920, 0, 11926, 11931, 11936, 11941, 11946, 11951, 11956, 
-    11961, 11966, 11971, 11976, 11981, 11986, 11991, 11996, 12001, 12006, 
-    12011, 12016, 12021, 12026, 12031, 12036, 12041, 12046, 12051, 12056, 
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+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 360, 364, 369, 
+    372, 375, 378, 381, 384, 387, 389, 392, 398, 406, 409, 413, 416, 418, 
+    421, 424, 427, 430, 434, 437, 440, 444, 446, 449, 455, 463, 470, 477, 
+    484, 489, 496, 502, 509, 516, 523, 531, 536, 544, 551, 557, 564, 571, 
+    579, 586, 594, 602, 607, 615, 622, 628, 635, 642, 649, 652, 658, 665, 
+    671, 678, 685, 692, 697, 703, 710, 716, 723, 730, 737, 745, 750, 758, 
+    765, 771, 778, 785, 793, 800, 808, 816, 821, 829, 836, 842, 849, 856, 
+    863, 866, 872, 879, 885, 892, 899, 906, 911, 919, 926, 933, 940, 947, 
+    954, 961, 968, 975, 983, 991, 999, 1007, 1015, 1023, 1031, 1039, 1046, 
+    1053, 1060, 1067, 1074, 1081, 1088, 1095, 1102, 1109, 1116, 1123, 1131, 
+    1139, 1147, 1155, 1163, 1171, 1179, 1187, 1195, 1203, 1210, 1217, 1225, 
+    1233, 1241, 1249, 1257, 1265, 1273, 1281, 1289, 1295, 1300, 1305, 1313, 
+    1321, 1329, 1337, 1342, 1349, 1356, 1364, 1372, 1380, 1388, 1398, 1408, 
+    1415, 1422, 1429, 1436, 1444, 1452, 1460, 1468, 1479, 1484, 1489, 1496, 
+    1503, 1510, 1517, 1524, 1531, 1536, 1541, 1548, 1555, 1563, 1571, 1579, 
+    1587, 1594, 1601, 1609, 1617, 1625, 1633, 1641, 1649, 1657, 1665, 1673, 
+    1681, 1688, 1695, 1702, 1709, 1716, 1723, 1730, 1737, 1745, 1753, 1760, 
+    1767, 1774, 1781, 1789, 1797, 1805, 1813, 1821, 1828, 1835, 1843, 1851, 
+    1859, 1867, 1872, 1878, 1884, 1891, 1898, 1903, 1908, 1914, 1921, 1928, 
+    1935, 1942, 1950, 1958, 1964, 1970, 1975, 1981, 1988, 1995, 2002, 2007, 
+    2012, 2017, 2024, 2031, 2038, 2045, 2052, 2058, 2066, 2076, 2085, 2092, 
+    2099, 2104, 2109, 2116, 2123, 2127, 2132, 2137, 2142, 2150, 2159, 2166, 
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+    2920, 2929, 2938, 2947, 2956, 2966, 2976, 2984, 2992, 3001, 3010, 3019, 
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+    3564, 3570, 3575, 3582, 3588, 3595, 3602, 3609, 3614, 3619, 3629, 3637, 
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-    20122, 20126, 20130, 20134, 20138, 20142, 20146, 20150, 20154, 20158, 
-    20162, 20166, 20170, 20174, 20178, 20182, 20186, 20190, 20194, 20198, 
-    20202, 20206, 20210, 20214, 20218, 20222, 20226, 20230, 20234, 20238, 
-    20242, 20246, 20250, 20254, 20258, 20262, 20266, 20270, 20274, 20278, 
-    20282, 20286, 20290, 20294, 20298, 20302, 20306, 20310, 20314, 20318, 
-    20322, 20326, 20330, 20334, 20338, 20342, 20346, 20350, 20354, 20358, 
-    20362, 20366, 20370, 20374, 20378, 20382, 20386, 20390, 20394, 20398, 
-    20402, 20406, 20410, 20414, 20418, 20422, 20426, 20430, 20434, 20438, 
-    20442, 20446, 20450, 20454, 20458, 20462, 20466, 20470, 20474, 20478, 
-    20482, 20486, 20490, 20494, 20498, 20502, 20506, 20510, 20514, 20518, 
-    20522, 20526, 20530, 20534, 20538, 20542, 20546, 20550, 20554, 20558, 
-    20562, 20566, 20570, 20573, 20577, 20581, 20585, 20589, 20593, 20597, 
-    20601, 20605, 20609, 20613, 20617, 20621, 20625, 20629, 20633, 20637, 
-    20641, 20645, 20649, 20653, 20657, 20661, 20665, 20668, 20672, 20676, 
-    20680, 20684, 20688, 20692, 20696, 20700, 20704, 20708, 20712, 20716, 
-    20720, 20724, 20728, 20731, 20735, 20739, 20743, 20747, 20751, 20755, 
-    20759, 20762, 20766, 20770, 20774, 20778, 20782, 20786, 20790, 20794, 
-    20798, 20802, 20806, 20810, 20814, 20818, 20822, 20826, 20830, 20834, 
-    20838, 20842, 20846, 20850, 20854, 0, 20858, 20862, 20866, 20870, 0, 0, 
-    20874, 20878, 20882, 20886, 20890, 20894, 20898, 0, 20902, 0, 20906, 
-    20910, 20914, 20918, 0, 0, 20922, 20926, 20930, 20934, 20938, 20942, 
-    20946, 20950, 20954, 20958, 20962, 20966, 20970, 20974, 20978, 20982, 
-    20986, 20990, 20994, 20998, 21002, 21006, 21010, 21013, 21017, 21021, 
-    21025, 21029, 21033, 21037, 21041, 21045, 21049, 21053, 21057, 21061, 
-    21065, 21069, 21073, 21077, 21081, 0, 21085, 21089, 21093, 21097, 0, 0, 
-    21101, 21104, 21108, 21112, 21116, 21120, 21124, 21128, 21132, 21136, 
-    21140, 21144, 21148, 21152, 21156, 21160, 21164, 21169, 21174, 21179, 
-    21185, 21191, 21196, 21201, 21207, 21210, 21214, 21218, 21222, 21226, 
-    21230, 21234, 21238, 0, 21242, 21246, 21250, 21254, 0, 0, 21258, 21262, 
-    21266, 21270, 21274, 21278, 21282, 0, 21286, 0, 21290, 21294, 21298, 
-    21302, 0, 0, 21306, 21310, 21314, 21318, 21322, 21326, 21330, 21334, 
-    21338, 21343, 21348, 21353, 21359, 21365, 21370, 0, 21375, 21379, 21383, 
-    21387, 21391, 21395, 21399, 21403, 21407, 21411, 21415, 21419, 21423, 
-    21427, 21431, 21435, 21439, 21442, 21446, 21450, 21454, 21458, 21462, 
-    21466, 21470, 21474, 21478, 21482, 21486, 21490, 21494, 21498, 21502, 
-    21506, 21510, 21514, 21518, 21522, 21526, 21530, 21534, 21538, 21542, 
-    21546, 21550, 21554, 21558, 21562, 21566, 21570, 21574, 21578, 21582, 
-    21586, 21590, 21594, 21598, 0, 21602, 21606, 21610, 21614, 0, 0, 21618, 
-    21622, 21626, 21630, 21634, 21638, 21642, 21646, 21650, 21654, 21658, 
-    21662, 21666, 21670, 21674, 21678, 21682, 21686, 21690, 21694, 21698, 
-    21702, 21706, 21710, 21714, 21718, 21722, 21726, 21730, 21734, 21738, 
-    21742, 21746, 21750, 21754, 21758, 21762, 21766, 21770, 21774, 21778, 
-    21782, 21786, 21790, 21794, 21798, 21802, 21806, 21810, 21814, 21818, 
-    21822, 21826, 21830, 21834, 21838, 21842, 21845, 21849, 21853, 21857, 
-    21861, 21865, 21869, 21873, 21877, 21881, 0, 0, 21885, 21894, 21900, 
-    21905, 21909, 21912, 21917, 21920, 21923, 21926, 21931, 21935, 21940, 
-    21943, 21946, 21949, 21952, 21955, 21958, 21961, 21964, 21967, 21971, 
-    21975, 21979, 21983, 21987, 21991, 21995, 21999, 22003, 22007, 0, 0, 0, 
-    22013, 22019, 22023, 22027, 22031, 22037, 22041, 22045, 22049, 22055, 
-    22059, 22063, 22067, 22073, 22077, 22081, 22085, 22091, 22097, 22103, 
-    22111, 22117, 22123, 22129, 22135, 22141, 0, 0, 0, 0, 0, 0, 22147, 22150, 
-    22153, 22156, 22159, 22162, 22166, 22170, 22173, 22177, 22181, 22185, 
-    22189, 22193, 22196, 22200, 22204, 22208, 22212, 22216, 22220, 22224, 
-    22228, 22232, 22236, 22240, 22243, 22247, 22251, 22255, 22259, 22262, 
-    22266, 22270, 22274, 22278, 22282, 22286, 22290, 22294, 22298, 22302, 
-    22306, 22310, 22314, 22317, 22321, 22325, 22329, 22333, 22337, 22341, 
-    22345, 22349, 22353, 22357, 22361, 22365, 22369, 22373, 22377, 22381, 
-    22385, 22389, 22393, 22397, 22401, 22405, 22409, 22413, 22417, 22421, 
-    22425, 22429, 22433, 22437, 22441, 22445, 22449, 22453, 22456, 22460, 
-    22464, 22468, 22472, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22476, 22480, 
-    22483, 22487, 22490, 22494, 22497, 22501, 22507, 22512, 22516, 22519, 
-    22523, 22527, 22532, 22536, 22541, 22545, 22550, 22554, 22559, 22563, 
-    22568, 22574, 22578, 22583, 22587, 22592, 22598, 22602, 22608, 22614, 
-    22618, 22623, 22631, 22639, 22646, 22651, 22656, 22665, 22672, 22679, 
-    22684, 22690, 22694, 22698, 22702, 22706, 22710, 22714, 22718, 22722, 
-    22726, 22730, 22736, 22741, 22746, 22749, 22753, 22757, 22762, 22766, 
-    22771, 22775, 22780, 22784, 22789, 22793, 22798, 22802, 22807, 22811, 
-    22816, 22822, 22826, 22831, 22836, 22840, 22844, 22848, 22852, 22855, 
-    22859, 22865, 22870, 22875, 22879, 22883, 22887, 22892, 22896, 22901, 
-    22905, 22910, 22913, 22917, 22921, 22926, 22930, 22935, 22939, 22944, 
-    22950, 22954, 22958, 22962, 22966, 22970, 22974, 22978, 22982, 22986, 
-    22990, 22994, 23000, 23003, 23007, 23011, 23016, 23020, 23025, 23029, 
-    23034, 23038, 23043, 23047, 23052, 23056, 23061, 23065, 23070, 23076, 
-    23080, 23084, 23090, 23096, 23102, 23108, 23112, 23116, 23120, 23124, 
-    23128, 23132, 23138, 23142, 23146, 23150, 23155, 23159, 23164, 23168, 
-    23173, 23177, 23182, 23186, 23191, 23195, 23200, 23204, 23209, 23215, 
-    23219, 23225, 23229, 23233, 23237, 23241, 23245, 23249, 23255, 23258, 
-    23262, 23266, 23271, 23275, 23280, 23284, 23289, 23293, 23298, 23302, 
-    23307, 23311, 23316, 23320, 23325, 23331, 23334, 23338, 23342, 23347, 
-    23352, 23356, 23360, 23364, 23368, 23372, 23376, 23382, 23385, 23389, 
-    23393, 23398, 23402, 23407, 23411, 23416, 23422, 23426, 23431, 23435, 
-    23439, 23443, 23447, 23451, 23455, 23459, 23465, 23469, 23473, 23477, 
-    23482, 23486, 23491, 23495, 23500, 23504, 23509, 23513, 23518, 23522, 
-    23527, 23531, 23536, 23539, 23543, 23547, 23551, 23555, 23559, 23563, 
-    23567, 23571, 23577, 23580, 23584, 23588, 23593, 23597, 23602, 23606, 
-    23611, 23615, 23620, 23624, 23629, 23633, 23638, 23642, 23647, 23653, 
-    23657, 23663, 23667, 23673, 23679, 23685, 23691, 23697, 23703, 23709, 
-    23715, 23719, 23723, 23727, 23731, 23735, 23739, 23743, 23747, 23752, 
-    23756, 23761, 23765, 23770, 23774, 23779, 23783, 23788, 23792, 23797, 
-    23801, 23806, 23810, 23814, 23818, 23822, 23826, 23830, 23834, 23840, 
-    23843, 23847, 23851, 23856, 23860, 23865, 23869, 23874, 23878, 23883, 
-    23887, 23892, 23896, 23901, 23905, 23910, 23916, 23920, 23926, 23931, 
-    23937, 23941, 23947, 23952, 23956, 23960, 23964, 23968, 23972, 23977, 
-    23980, 23984, 23989, 23993, 23998, 24001, 24005, 24009, 24013, 24017, 
-    24021, 24025, 24029, 24033, 24037, 24041, 24045, 24050, 24054, 24058, 
-    24064, 24068, 24074, 24078, 24084, 24088, 24092, 24096, 24100, 24104, 
-    24109, 24113, 24117, 24121, 24125, 24129, 24133, 24137, 24141, 24145, 
-    24149, 24155, 24161, 24167, 24173, 24179, 24184, 24190, 24196, 24202, 
-    24206, 24210, 24214, 24218, 24222, 24226, 24230, 24234, 24238, 24242, 
-    24246, 24250, 24254, 24259, 24264, 24269, 24273, 24277, 24281, 24285, 
-    24289, 24293, 24297, 24301, 24305, 24309, 24315, 24321, 24327, 24333, 
-    24339, 24345, 24351, 24357, 24363, 24367, 24371, 24375, 24379, 24383, 
-    24387, 24391, 24397, 24403, 24409, 24415, 24421, 24427, 24433, 24439, 
-    24445, 24450, 24455, 24460, 24465, 24471, 24477, 24483, 24489, 24495, 
-    24501, 24507, 24512, 24518, 24524, 24530, 24535, 24541, 24547, 24553, 
-    24558, 24563, 24568, 24573, 24578, 24583, 24588, 24593, 24598, 24603, 
-    24608, 24613, 24617, 24622, 24627, 24632, 24637, 24642, 24647, 24652, 
-    24657, 24662, 24667, 24672, 24677, 24682, 24687, 24692, 24697, 24702, 
-    24707, 24712, 24717, 24722, 24727, 24732, 24737, 24742, 24747, 24752, 
-    24757, 24762, 24766, 24771, 24776, 24781, 24786, 24791, 24796, 24801, 
-    24806, 24811, 24816, 24821, 24826, 24831, 24836, 24841, 24846, 24851, 
-    24856, 24861, 24866, 24871, 24876, 24881, 24886, 24891, 24895, 24900, 
-    24905, 24910, 24915, 24920, 24924, 24929, 24934, 24939, 24944, 24949, 
-    24953, 24958, 24964, 24969, 24974, 24979, 24984, 24990, 24995, 25000, 
-    25005, 25010, 25015, 25020, 25025, 25030, 25035, 25040, 25045, 25050, 
-    25055, 25060, 25065, 25070, 25075, 25080, 25085, 25090, 25095, 25100, 
-    25105, 25110, 25115, 25120, 25125, 25130, 25135, 25140, 25145, 25150, 
-    25155, 25160, 25165, 25170, 25175, 25180, 25185, 25190, 25195, 25200, 
-    25205, 25210, 25216, 25221, 25226, 25231, 25236, 25241, 25246, 25251, 
-    25256, 25261, 25266, 25271, 25275, 25280, 25285, 25290, 25295, 25300, 
-    25305, 25310, 25315, 25320, 25325, 25330, 25335, 25340, 25345, 25350, 
-    25355, 25360, 25365, 25370, 25375, 25380, 25385, 25390, 25395, 25400, 
-    25405, 25411, 25415, 25419, 25423, 25427, 25431, 25435, 25439, 25443, 
-    25449, 25455, 25461, 25467, 25473, 25479, 25485, 25492, 25498, 25503, 
-    25508, 25513, 25518, 25523, 25528, 25533, 25538, 25543, 25548, 25553, 
-    25558, 25563, 25568, 25573, 25578, 25583, 25588, 25593, 25598, 25603, 
-    25608, 25613, 25618, 25623, 25628, 25633, 25638, 0, 0, 0, 25645, 25655, 
-    25659, 25666, 25670, 25674, 25678, 25686, 25690, 25695, 25700, 25705, 
-    25709, 25714, 25719, 25722, 25726, 25730, 25739, 25743, 25747, 25753, 
-    25757, 25761, 25769, 25773, 25781, 25787, 25793, 25799, 25805, 25815, 
-    25821, 25825, 25834, 25837, 25843, 25847, 25853, 25858, 25864, 25872, 
-    25878, 25884, 25892, 25898, 25902, 25906, 25916, 25922, 25926, 25936, 
-    25942, 25946, 25950, 25957, 25964, 25969, 25974, 25983, 25987, 25991, 
-    25995, 26003, 26010, 26014, 26018, 26022, 26026, 26030, 26034, 26038, 
-    26042, 26046, 26050, 26054, 26059, 26064, 26069, 26073, 26077, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26081, 26085, 26089, 26093, 26097, 
-    26102, 26107, 26112, 26117, 26121, 26125, 26130, 26134, 0, 26138, 26143, 
-    26148, 26152, 26156, 26161, 26166, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    26171, 26175, 26179, 26183, 26187, 26192, 26197, 26202, 26207, 26211, 
-    26215, 26220, 26224, 26228, 26232, 26237, 26242, 26246, 26250, 26255, 
-    26260, 26265, 26271, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26276, 26280, 26284, 
-    26288, 26292, 26297, 26302, 26307, 26312, 26316, 26320, 26325, 26329, 
-    26333, 26337, 26342, 26347, 26351, 26355, 26360, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 26365, 26369, 26373, 26377, 26381, 26386, 26391, 26396, 
-    26401, 26405, 26409, 26414, 26418, 0, 26422, 26427, 26432, 0, 26436, 
-    26441, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26446, 26449, 26453, 26457, 
-    26461, 26465, 26469, 26473, 26477, 26481, 26485, 26489, 26493, 26497, 
-    26501, 26505, 26509, 26513, 26516, 26520, 26524, 26528, 26532, 26536, 
-    26540, 26544, 26548, 26552, 26556, 26560, 26564, 26568, 26571, 26574, 
-    26578, 26582, 26588, 26594, 26600, 26606, 26612, 26618, 26624, 26630, 
-    26636, 26642, 26648, 26654, 26660, 26666, 26675, 26684, 26690, 26696, 
-    26702, 26707, 26711, 26716, 26721, 26726, 26730, 26735, 26740, 26745, 
-    26749, 26754, 26758, 26763, 26768, 26773, 26778, 26782, 26786, 26790, 
-    26794, 26798, 26802, 26806, 26810, 26814, 26818, 26824, 26828, 26832, 
-    26836, 26840, 26844, 26852, 26858, 26862, 26868, 26872, 26878, 26882, 0, 
-    0, 26886, 26890, 26893, 26896, 26899, 26902, 26905, 26908, 26911, 26914, 
-    0, 0, 0, 0, 0, 0, 26917, 26925, 26933, 26941, 26949, 26957, 26965, 26973, 
-    26981, 26989, 0, 0, 0, 0, 0, 0, 26997, 27000, 27003, 27006, 27011, 27014, 
-    27019, 27026, 27034, 27039, 27046, 27049, 27056, 27063, 27070, 0, 27074, 
-    27078, 27081, 27084, 27087, 27090, 27093, 27096, 27099, 27102, 0, 0, 0, 
-    0, 0, 0, 27105, 27108, 27111, 27114, 27117, 27120, 27124, 27128, 27132, 
-    27135, 27139, 27143, 27146, 27150, 27154, 27157, 27161, 27164, 27168, 
-    27172, 27176, 27180, 27184, 27187, 27190, 27194, 27198, 27201, 27205, 
-    27209, 27213, 27217, 27221, 27225, 27229, 27233, 27240, 27245, 27250, 
-    27255, 27260, 27266, 27272, 27278, 27284, 27289, 27295, 27301, 27306, 
-    27312, 27318, 27324, 27330, 27336, 27341, 27347, 27352, 27358, 27364, 
-    27370, 27376, 27382, 27387, 27392, 27398, 27404, 27409, 27415, 27420, 
-    27426, 27431, 27436, 27442, 27448, 27454, 27460, 27466, 27472, 27478, 
-    27484, 27490, 27496, 27502, 27508, 27513, 27518, 27523, 27529, 0, 0, 0, 
-    0, 0, 0, 0, 0, 27535, 27544, 27553, 27561, 27569, 27579, 27587, 27596, 
-    27603, 27610, 27617, 27625, 27633, 27641, 27649, 27657, 27665, 27673, 
-    27681, 27688, 27696, 27704, 27712, 27720, 27728, 27738, 27748, 27758, 
-    27768, 27778, 27788, 27798, 27808, 27818, 27828, 27838, 27848, 27858, 
-    27868, 27876, 27884, 27894, 27902, 0, 0, 0, 0, 0, 27912, 27916, 27920, 
-    27924, 27928, 27932, 27936, 27940, 27944, 27948, 27952, 27956, 27960, 
-    27964, 27968, 27972, 27976, 27980, 27984, 27988, 27992, 27996, 28000, 
-    28004, 28010, 28014, 28020, 28024, 28030, 28034, 28040, 28044, 28048, 
-    28052, 28056, 28060, 28064, 28070, 28076, 28082, 28088, 28093, 28099, 
-    28105, 28111, 28117, 28123, 28129, 28136, 28142, 28147, 28152, 28156, 
-    28160, 28164, 28168, 28172, 28176, 28180, 28186, 28192, 28198, 28203, 
-    28210, 28215, 28220, 28226, 28231, 28238, 28245, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 28252, 28258, 28262, 28267, 28272, 28277, 28282, 28287, 28292, 
-    28297, 28302, 28307, 28312, 28317, 28322, 28327, 28331, 28335, 28340, 
-    28345, 28350, 28354, 28358, 28362, 28367, 28372, 28377, 28382, 28386, 0, 
-    0, 0, 28390, 28395, 28400, 28405, 28411, 28417, 28423, 28429, 28434, 
-    28439, 28445, 28451, 0, 0, 0, 0, 28458, 28463, 28469, 28475, 28481, 
-    28486, 28491, 28496, 28501, 28507, 28512, 28517, 0, 0, 0, 0, 28522, 0, 0, 
-    0, 28527, 28532, 28537, 28542, 28546, 28550, 28554, 28558, 28562, 28566, 
-    28570, 28574, 28578, 28583, 28589, 28595, 28601, 28606, 28611, 28617, 
-    28623, 28629, 28634, 28640, 28645, 28651, 28657, 28662, 28668, 28674, 
-    28680, 28685, 28690, 28695, 28701, 28707, 28712, 28718, 28723, 28729, 
-    28734, 28740, 0, 0, 28746, 28752, 28758, 28764, 28770, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 28776, 28783, 28790, 28796, 28803, 28810, 28816, 28823, 
-    28830, 28837, 28843, 28849, 28856, 28862, 28868, 28875, 28882, 28888, 
-    28895, 28902, 28908, 28914, 28921, 28927, 28933, 28940, 28946, 28953, 
-    28960, 28967, 28974, 28981, 28988, 28994, 29001, 29008, 29014, 29021, 
-    29028, 29035, 29042, 29049, 29056, 29063, 0, 0, 0, 0, 29070, 29078, 
-    29085, 29092, 29098, 29105, 29111, 29118, 29124, 29131, 29138, 29145, 
-    29152, 29159, 29166, 29173, 29180, 29187, 29194, 29201, 29208, 29214, 
-    29221, 29228, 29235, 29241, 0, 0, 0, 0, 0, 0, 29247, 29253, 29258, 29263, 
-    29268, 29273, 29278, 29283, 29288, 29293, 29298, 0, 0, 0, 29304, 29310, 
-    29316, 29320, 29326, 29332, 29338, 29344, 29350, 29356, 29362, 29368, 
-    29374, 29380, 29386, 29392, 29398, 29404, 29410, 29414, 29420, 29426, 
-    29432, 29438, 29444, 29450, 29456, 29462, 29468, 29474, 29480, 29486, 
-    29492, 29498, 29504, 29508, 29513, 29518, 29523, 29527, 29532, 29536, 
-    29541, 29546, 29551, 29555, 29560, 29565, 29570, 29575, 29580, 29584, 
-    29588, 29593, 29598, 29602, 29606, 29610, 29615, 29620, 29625, 29630, 0, 
-    0, 29636, 29640, 29647, 29652, 29658, 29664, 29669, 29675, 29681, 29686, 
-    29692, 29698, 29704, 29709, 29715, 29720, 29725, 29731, 29736, 29742, 
-    29747, 29753, 29759, 29765, 29771, 29775, 29780, 29785, 29791, 29797, 
-    29802, 29808, 29814, 29818, 29823, 29828, 29832, 29837, 29842, 29847, 
-    29852, 29858, 29864, 29869, 29874, 29879, 29883, 29888, 29892, 29897, 
-    29901, 29906, 29911, 29916, 29921, 29927, 29933, 29940, 29950, 29959, 
-    29966, 29972, 29982, 29987, 29993, 0, 29998, 30003, 30008, 30016, 30022, 
-    30030, 30035, 30041, 30047, 30053, 30058, 30064, 30069, 30076, 30082, 
-    30087, 30093, 30099, 30105, 30112, 30119, 30126, 30131, 30136, 30143, 
-    30150, 30157, 30164, 30171, 0, 0, 30178, 30185, 30192, 30198, 30204, 
-    30210, 30216, 30222, 30228, 30234, 30240, 0, 0, 0, 0, 0, 0, 30246, 30252, 
-    30257, 30262, 30267, 30272, 30277, 30282, 30287, 30292, 0, 0, 0, 0, 0, 0, 
-    30297, 30302, 30307, 30312, 30317, 30322, 30327, 30336, 30343, 30348, 
-    30353, 30358, 30363, 30368, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30373, 30379, 
-    30385, 30389, 30393, 30397, 30401, 30407, 30411, 30417, 30421, 30427, 
-    30433, 30441, 30447, 30455, 30459, 30463, 30467, 30473, 30476, 30482, 
-    30486, 30492, 30496, 30500, 30506, 30510, 30516, 30520, 30526, 30534, 
-    30542, 30550, 30556, 30560, 30566, 30570, 30576, 30579, 30582, 30588, 
-    30592, 30598, 30601, 30604, 30607, 30611, 30615, 30621, 30627, 30630, 
-    30633, 30637, 30642, 30647, 30654, 30659, 30666, 30673, 30682, 30689, 
-    30698, 30703, 30710, 30717, 30726, 30731, 30738, 30743, 30749, 30755, 
-    30761, 30767, 30773, 30779, 0, 0, 0, 0, 30785, 30789, 30792, 30795, 
-    30798, 30801, 30804, 30807, 30810, 30813, 30816, 30819, 30822, 30825, 
-    30830, 30835, 30840, 30843, 30848, 30853, 30858, 30863, 30870, 30875, 
-    30880, 30885, 30890, 30897, 30903, 30909, 30915, 30921, 30927, 30936, 
-    30945, 30951, 30957, 30965, 30973, 30982, 30991, 30999, 31007, 31016, 
-    31025, 0, 0, 0, 31033, 31037, 31041, 31045, 31048, 31051, 31054, 31058, 
-    31061, 31064, 31068, 31071, 31075, 31079, 31083, 31087, 31091, 31095, 
-    31099, 31103, 31107, 31110, 31113, 31117, 31121, 31125, 31128, 31131, 
-    31134, 31138, 31142, 31145, 31149, 31152, 31157, 31162, 31167, 31172, 
-    31177, 31182, 31187, 31192, 31197, 31201, 31205, 31211, 31218, 31222, 
-    31226, 31230, 31233, 31236, 31239, 31242, 31245, 31248, 31251, 31254, 
-    31257, 31260, 31264, 31268, 31272, 31277, 31281, 31285, 31291, 31295, 
-    31301, 31307, 31312, 31319, 31323, 31329, 31333, 31339, 31344, 31351, 
-    31358, 31363, 31370, 31375, 31380, 31384, 31390, 31394, 31400, 31407, 
-    31414, 31418, 31424, 31430, 31434, 31440, 31445, 31450, 31457, 31462, 
-    31467, 31472, 31477, 31481, 31485, 31490, 31495, 31502, 31508, 31513, 
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-    0, 0, 31566, 31575, 31582, 31589, 31596, 31599, 31603, 31607, 31611, 
-    31615, 31619, 31623, 31627, 31631, 31635, 31639, 31643, 31647, 31650, 
-    31653, 31657, 31661, 31665, 31669, 31673, 31677, 31680, 31684, 31688, 
-    31692, 31696, 31699, 31702, 31706, 31709, 31713, 31717, 31720, 31724, 
-    31728, 31731, 31736, 31741, 31746, 31750, 31754, 31759, 31763, 31768, 
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-    31892, 31896, 31903, 31909, 31915, 31921, 31927, 31933, 31939, 31945, 
-    31951, 31957, 31964, 31971, 31978, 31985, 31992, 31999, 32006, 32013, 
-    32020, 32027, 32034, 32041, 32048, 32055, 32062, 32069, 32076, 32083, 
-    32090, 32097, 32104, 32111, 32118, 32125, 32132, 32139, 32146, 32153, 
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     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32226, 32233, 32240, 32247, 32254, 
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-    32394, 32400, 32406, 32417, 32426, 32433, 32440, 32449, 32456, 32465, 
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-    32585, 32591, 32598, 32606, 32612, 32618, 32624, 32629, 32636, 32642, 
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-    32714, 32720, 32727, 32734, 32740, 32747, 32754, 32760, 32765, 32771, 
-    32779, 32787, 32793, 32799, 32805, 32811, 32819, 32823, 32829, 32835, 
-    32841, 32847, 32853, 32859, 32863, 32868, 32873, 32880, 32885, 32889, 
-    32895, 32900, 32905, 32909, 32914, 32919, 32923, 32927, 32932, 32939, 
-    32943, 32948, 32953, 32957, 32962, 32966, 32971, 32975, 32981, 32986, 
-    32993, 32998, 33003, 33007, 33012, 33017, 33024, 33029, 33035, 33040, 
-    33044, 33049, 33053, 33058, 33065, 33072, 33077, 33082, 33086, 33092, 
-    33098, 33103, 33108, 33113, 33119, 33124, 33130, 33135, 33141, 33147, 
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-    33313, 33320, 33328, 33336, 33343, 33350, 33357, 33364, 33372, 33381, 
-    33390, 33399, 33408, 33417, 33426, 33435, 33444, 33453, 33462, 33471, 
-    33480, 33489, 33498, 33506, 33515, 33526, 33534, 33543, 33554, 33563, 
-    33572, 33581, 33590, 33598, 33607, 33614, 33619, 33627, 33632, 33639, 
-    33644, 33653, 33659, 33666, 33673, 33678, 33683, 33691, 33699, 33708, 
-    33717, 33722, 33729, 33740, 33748, 33757, 33763, 33769, 33774, 33781, 
-    33786, 33795, 33800, 33805, 33810, 33817, 33824, 33829, 33838, 33846, 
-    33851, 33856, 33863, 33870, 33874, 33878, 33881, 33884, 33887, 33890, 
-    33893, 33896, 33903, 33906, 33909, 33914, 33918, 33922, 33926, 33930, 
-    33934, 33943, 33949, 33955, 33961, 33969, 33977, 33983, 33989, 33996, 
-    34002, 34007, 34013, 34019, 34025, 34032, 34038, 34046, 34052, 34059, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34065, 34072, 
-    34079, 34084, 34093, 34101, 34109, 34116, 34123, 34130, 34137, 34145, 
-    34153, 34163, 34173, 34181, 34189, 34197, 34205, 34214, 34223, 34231, 
-    34239, 34248, 34257, 34267, 34277, 34286, 34295, 34303, 34311, 34319, 
-    34327, 34337, 34347, 34355, 34363, 34371, 34379, 34387, 34395, 34403, 
-    34411, 34419, 34427, 34435, 34443, 34452, 34461, 34470, 34479, 34489, 
-    34499, 34506, 34513, 34521, 34529, 34538, 34547, 34555, 34563, 34575, 
-    34587, 34596, 34605, 34614, 34623, 34630, 34637, 34645, 34653, 34661, 
-    34669, 34677, 34685, 34693, 34701, 34710, 34719, 34728, 34737, 34746, 
-    34755, 34765, 34775, 34785, 34795, 34804, 34813, 34820, 34827, 34835, 
-    34843, 34851, 34859, 34867, 34875, 34887, 34899, 34908, 34917, 34925, 
-    34933, 34941, 34949, 34960, 34971, 34982, 34993, 35005, 35017, 35025, 
-    35033, 35041, 35049, 35058, 35067, 35076, 35085, 35093, 35101, 35109, 
-    35117, 35125, 35133, 35142, 35151, 35161, 35171, 35178, 35185, 35193, 
-    35201, 35209, 35217, 35224, 35231, 35239, 35247, 35255, 35263, 35271, 
-    35279, 35287, 35295, 35303, 35311, 35319, 35327, 35335, 35343, 35351, 
-    35359, 35368, 35377, 35386, 35394, 35403, 35412, 35421, 35430, 35440, 
-    35449, 35456, 35461, 35468, 35475, 35483, 35491, 35500, 35509, 35519, 
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-    35627, 35638, 35649, 35658, 35667, 35677, 35687, 35694, 35701, 35709, 
-    35717, 35723, 35729, 35738, 35747, 35757, 35767, 35778, 35789, 35798, 
-    35807, 35817, 35827, 35836, 35845, 35853, 35861, 35868, 35875, 35883, 
-    35891, 35900, 35909, 35919, 35929, 35940, 35951, 35960, 35969, 35979, 
-    35989, 35998, 36007, 36017, 36027, 36038, 36049, 36058, 36067, 36077, 
-    36087, 36094, 36101, 36109, 36117, 36126, 36135, 36145, 36155, 36166, 
-    36177, 36186, 36195, 36205, 36215, 36223, 36231, 36239, 36247, 36256, 
-    36265, 36272, 36279, 36286, 36293, 36300, 36307, 36315, 36323, 36331, 
-    36339, 36350, 36361, 36372, 36383, 36394, 36405, 36413, 36421, 36432, 
-    36443, 36454, 36465, 36476, 36487, 36495, 36503, 36514, 36525, 36536, 0, 
-    0, 36547, 36555, 36563, 36574, 36585, 36596, 0, 0, 36607, 36615, 36623, 
-    36634, 36645, 36656, 36667, 36678, 36689, 36697, 36705, 36716, 36727, 
-    36738, 36749, 36760, 36771, 36779, 36787, 36798, 36809, 36820, 36831, 
-    36842, 36853, 36861, 36869, 36880, 36891, 36902, 36913, 36924, 36935, 
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-    37205, 37216, 37227, 37238, 37249, 37260, 37268, 37276, 37287, 37298, 
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-    37398, 37406, 37414, 37422, 37430, 37438, 37446, 0, 0, 37454, 37465, 
-    37476, 37490, 37504, 37518, 37532, 37546, 37560, 37571, 37582, 37596, 
-    37610, 37624, 37638, 37652, 37666, 37677, 37688, 37702, 37716, 37730, 
-    37744, 37758, 37772, 37783, 37794, 37808, 37822, 37836, 37850, 37864, 
-    37878, 37889, 37900, 37914, 37928, 37942, 37956, 37970, 37984, 37995, 
-    38006, 38020, 38034, 38048, 38062, 38076, 38090, 38098, 38106, 38117, 
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-    38201, 38204, 38207, 38213, 38224, 38232, 0, 38243, 38251, 38262, 38270, 
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-    0, 38358, 38366, 38377, 38385, 38393, 38401, 0, 38409, 38415, 38421, 
-    38427, 38435, 38443, 38454, 38465, 38473, 38481, 38489, 38500, 38508, 
-    38516, 38524, 38532, 38540, 38546, 38552, 0, 0, 38555, 38566, 38574, 0, 
-    38585, 38593, 38604, 38612, 38620, 38628, 38636, 38644, 38647, 0, 38650, 
-    38654, 38658, 38662, 38666, 38670, 38674, 38678, 38682, 38686, 38690, 
-    38694, 38700, 38706, 38712, 38715, 38718, 38720, 38724, 38728, 38732, 
-    38736, 38738, 38742, 38746, 38752, 38758, 38765, 38772, 38777, 38782, 
-    38788, 38794, 38796, 38799, 38801, 38805, 38809, 38813, 38816, 38820, 
-    38824, 38828, 38832, 38836, 38842, 38846, 38850, 38856, 38861, 38868, 
-    38870, 38873, 38877, 38881, 38886, 38892, 38894, 38903, 38912, 38915, 
-    38919, 38921, 38923, 38925, 38928, 38934, 38936, 38940, 38944, 38951, 
-    38958, 38962, 38967, 38972, 38977, 38982, 38986, 38990, 38993, 38997, 
-    39001, 39008, 39013, 39017, 39021, 39026, 39030, 39034, 39039, 39044, 
-    39048, 39052, 39056, 39058, 39063, 39068, 39072, 39076, 39080, 39084, 0, 
-    39088, 39092, 39096, 39102, 39108, 39114, 39120, 39127, 39134, 39139, 
-    39144, 39148, 0, 0, 39154, 39157, 39160, 39163, 39166, 39169, 39172, 
-    39176, 39180, 39185, 39190, 39195, 39202, 39206, 39209, 39212, 39215, 
-    39218, 39221, 39224, 39227, 39230, 39233, 39237, 39241, 39246, 39251, 0, 
-    39256, 39262, 39268, 39274, 39281, 39288, 39295, 39302, 39308, 39314, 
-    39321, 39328, 39335, 0, 0, 0, 39342, 39345, 39348, 39351, 39356, 39359, 
-    39362, 39365, 39368, 39371, 39374, 39378, 39381, 39384, 39387, 39390, 
-    39393, 39398, 39401, 39404, 39407, 39410, 39413, 39418, 39421, 39424, 
-    39429, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    39434, 39439, 39444, 39451, 39459, 39464, 39469, 39473, 39477, 39482, 
-    39489, 39496, 39500, 39505, 39510, 39515, 39520, 39527, 39532, 39537, 
-    39542, 39551, 39558, 39565, 39569, 39574, 39580, 39585, 39592, 39601, 
-    39610, 39614, 39618, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 39622, 
-    39626, 39634, 39638, 39642, 39647, 39651, 39655, 39659, 39661, 39665, 
-    39669, 39673, 39678, 39682, 39686, 39694, 39697, 39701, 39704, 39707, 
-    39713, 39717, 39720, 39726, 39730, 39734, 39738, 39741, 39745, 39748, 
-    39752, 39754, 39757, 39760, 39764, 39766, 39770, 39773, 39776, 39781, 
-    39786, 39793, 39796, 39799, 39803, 39808, 39811, 39814, 39817, 39821, 
-    39826, 39829, 39832, 39834, 39837, 39840, 39843, 39847, 39852, 39855, 
-    39859, 39863, 39867, 39871, 39876, 39882, 39887, 39892, 39898, 39903, 
-    39908, 39912, 39916, 39921, 39925, 39929, 39932, 39934, 39939, 39945, 
-    39952, 39959, 39966, 39973, 39980, 39987, 39994, 40001, 40009, 40016, 
-    40024, 40031, 40038, 40046, 40054, 40059, 40064, 40069, 40074, 40079, 
-    40084, 40089, 40094, 40099, 40104, 40110, 40116, 40122, 40128, 40135, 
-    40143, 40150, 40156, 40162, 40168, 40174, 40180, 40186, 40192, 40198, 
-    40204, 40211, 40218, 40225, 40232, 40240, 40249, 40257, 40268, 40276, 
-    40284, 40293, 40300, 40309, 40318, 40326, 40335, 0, 0, 0, 0, 0, 0, 40343, 
-    40345, 40348, 40350, 40353, 40356, 40359, 40364, 40369, 40374, 40379, 
-    40383, 40387, 40391, 40395, 40400, 40406, 40411, 40417, 40422, 40427, 
-    40432, 40438, 40443, 40449, 40455, 40459, 40463, 40468, 40473, 40478, 
-    40483, 40488, 40496, 40504, 40512, 40520, 40527, 40535, 40542, 40549, 
-    40558, 40570, 40576, 40582, 40590, 40598, 40607, 40616, 40624, 40632, 
-    40641, 40650, 40655, 40663, 40668, 40673, 40679, 40684, 40690, 40697, 
-    40704, 40709, 40715, 40720, 40723, 40727, 40730, 40734, 40738, 40742, 
-    40748, 40754, 40760, 40766, 40770, 40774, 40778, 40782, 40788, 40794, 
-    40798, 40803, 40807, 40812, 40817, 40822, 40825, 40829, 40832, 40836, 
-    40843, 40851, 40862, 40873, 40878, 40887, 40894, 40903, 40912, 40916, 
-    40922, 40930, 40934, 40939, 40944, 40950, 40956, 40962, 40969, 40973, 
-    40977, 40982, 40985, 40987, 40991, 40995, 41003, 41007, 41009, 41011, 
-    41015, 41023, 41028, 41034, 41044, 41051, 41056, 41060, 41064, 41068, 
-    41071, 41074, 41077, 41081, 41085, 41089, 41093, 41097, 41100, 41104, 
-    41108, 41111, 41113, 41116, 41118, 41122, 41126, 41128, 41134, 41137, 
-    41142, 41146, 41150, 41152, 41154, 41156, 41159, 41163, 41167, 41171, 
-    41175, 41179, 41185, 41191, 41193, 41195, 41197, 41199, 41202, 41204, 
-    41208, 41210, 41214, 41217, 41223, 41227, 41231, 41234, 41237, 41241, 
-    41247, 41251, 41261, 41271, 41275, 41281, 41287, 41290, 41294, 41297, 
-    41302, 41306, 41312, 41316, 41328, 41336, 41340, 41344, 41350, 41354, 
-    41357, 41359, 41362, 41366, 41370, 41377, 41381, 41385, 41389, 41392, 
-    41397, 41402, 41407, 41412, 41417, 41422, 41430, 41438, 41442, 41446, 
-    41448, 41453, 41457, 41461, 41469, 41477, 41483, 41489, 41498, 41507, 
-    41512, 41517, 41525, 41533, 41535, 41537, 41542, 41547, 41553, 41559, 
-    41565, 41571, 41575, 41579, 41586, 41593, 41599, 41605, 41615, 41625, 
-    41633, 41641, 41643, 41647, 41651, 41656, 41661, 41668, 41675, 41678, 
-    41681, 41684, 41687, 41690, 41695, 41699, 41704, 41709, 41712, 41715, 
-    41718, 41721, 41724, 41728, 41731, 41734, 41737, 41740, 41742, 41744, 
-    41746, 41748, 41756, 41764, 41770, 41774, 41780, 41790, 41796, 41802, 
-    41808, 41816, 41824, 41835, 41839, 41843, 41845, 41851, 41853, 41855, 
-    41857, 41859, 41865, 41868, 41874, 41880, 41884, 41888, 41892, 41895, 
-    41899, 41903, 41905, 41914, 41923, 41928, 41933, 41939, 41945, 41951, 
-    41954, 41957, 41960, 41963, 41965, 41970, 41975, 41980, 41986, 41992, 
-    42000, 42008, 42014, 42020, 42026, 42032, 42041, 42050, 42059, 42068, 
-    42077, 42086, 42095, 42104, 42113, 42122, 42130, 42142, 42152, 42167, 
-    42170, 42175, 42181, 42187, 42194, 42208, 42223, 42229, 42235, 42242, 
-    42248, 42256, 42262, 42275, 42289, 42294, 42300, 42307, 42310, 42313, 
-    42315, 42318, 42321, 42323, 42325, 42329, 42332, 42335, 42338, 42341, 
-    42346, 42351, 42356, 42361, 42366, 42369, 42371, 42373, 42375, 42379, 
-    42383, 42387, 42393, 42398, 42400, 42402, 42407, 42412, 42417, 42422, 
-    42427, 42432, 42434, 42436, 42445, 42449, 42457, 42466, 42468, 42473, 
-    42478, 42486, 42490, 42492, 42496, 42498, 42502, 42506, 42510, 42512, 
-    42514, 42516, 42523, 42532, 42541, 42550, 42559, 42568, 42577, 42586, 
-    42595, 42603, 42611, 42620, 42629, 42638, 42647, 42655, 42663, 42672, 
-    42681, 42690, 42700, 42709, 42719, 42728, 42738, 42747, 42757, 42767, 
-    42776, 42786, 42795, 42805, 42814, 42824, 42833, 42842, 42851, 42860, 
-    42869, 42879, 42888, 42897, 42906, 42916, 42925, 42934, 42943, 42952, 
-    42962, 42972, 42981, 42990, 42998, 43006, 43013, 43021, 43030, 43041, 
-    43050, 43059, 43068, 43075, 43082, 43089, 43098, 43107, 43116, 43125, 
-    43132, 43137, 43146, 43151, 43154, 43162, 43165, 43170, 43175, 43178, 
-    43181, 43189, 43192, 43197, 43200, 43207, 43212, 43220, 43223, 43226, 
-    43229, 43234, 43239, 43242, 43245, 43253, 43256, 43263, 43270, 43274, 
-    43278, 43283, 43288, 43294, 43299, 43305, 43311, 43316, 43322, 43330, 
-    43336, 43344, 43352, 43358, 43366, 43374, 43383, 43391, 43397, 43405, 
-    43414, 43422, 43426, 43431, 43444, 43457, 43461, 43465, 43469, 43473, 
-    43483, 43487, 43492, 43497, 43502, 43507, 43512, 43517, 43527, 43537, 
-    43545, 43555, 43565, 43573, 43583, 43593, 43601, 43611, 43621, 43629, 
-    43637, 43647, 43657, 43660, 43663, 43666, 43671, 43675, 43681, 43688, 
-    43695, 43703, 43710, 43714, 43718, 43722, 43726, 43728, 43732, 43736, 
-    43741, 43746, 43753, 43760, 43763, 43770, 43772, 43774, 43778, 43782, 
-    43787, 43793, 43799, 43805, 43811, 43820, 43829, 43838, 43842, 43844, 
-    43848, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43855, 43859, 43866, 43873, 
-    43880, 43887, 43891, 43895, 43899, 43903, 43908, 43914, 43919, 43925, 
-    43931, 43937, 43943, 43951, 43958, 43965, 43972, 43979, 43984, 43990, 
-    43999, 44003, 44010, 44014, 44018, 44024, 44030, 44036, 44042, 44046, 
-    44050, 44053, 44056, 44060, 44067, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44074, 44077, 44081, 44085, 44091, 
-    44097, 44103, 44111, 44118, 44122, 44130, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44135, 44138, 44141, 44144, 44147, 
-    44150, 44153, 44156, 44159, 44162, 44166, 44170, 44174, 44178, 44182, 
-    44186, 44190, 44194, 44198, 44202, 44206, 44209, 44212, 44215, 44218, 
-    44221, 44224, 44227, 44230, 44233, 44237, 44241, 44245, 44249, 44253, 
-    44257, 44261, 44265, 44269, 44273, 44277, 44283, 44289, 44295, 44302, 
-    44309, 44316, 44323, 44330, 44337, 44344, 44351, 44358, 44365, 44372, 
-    44379, 44386, 44393, 44400, 44407, 44414, 44419, 44425, 44431, 44437, 
-    44442, 44448, 44454, 44460, 44465, 44471, 44477, 44482, 44487, 44493, 
-    44498, 44504, 44510, 44515, 44521, 44527, 44532, 44538, 44544, 44550, 
-    44556, 44562, 44567, 44573, 44579, 44585, 44590, 44596, 44602, 44608, 
-    44613, 44619, 44625, 44630, 44635, 44641, 44646, 44652, 44658, 44663, 
-    44669, 44675, 44680, 44686, 44692, 44698, 44704, 44710, 44715, 44721, 
-    44727, 44733, 44738, 44744, 44750, 44756, 44761, 44767, 44773, 44778, 
-    44783, 44789, 44794, 44800, 44806, 44811, 44817, 44823, 44828, 44834, 
-    44840, 44846, 44852, 44858, 44862, 44867, 44872, 44877, 44882, 44887, 
-    44892, 44897, 44902, 44907, 44912, 44916, 44920, 44924, 44928, 44932, 
-    44936, 44940, 44944, 44948, 44953, 44958, 44963, 44968, 44973, 44978, 
-    44987, 44996, 45005, 45014, 45023, 45032, 45041, 45050, 45057, 45065, 
-    45073, 45080, 45087, 45095, 45103, 45110, 45117, 45125, 45133, 45140, 
-    45147, 45155, 45163, 45170, 45177, 45185, 45194, 45203, 45211, 45220, 
-    45229, 45236, 45243, 45251, 45260, 45269, 45277, 45286, 45295, 45302, 
-    45309, 45318, 45327, 45335, 45343, 45352, 45361, 45368, 45375, 45384, 
-    45393, 45401, 45409, 45418, 45427, 45434, 45441, 45450, 45459, 45467, 
-    45476, 45485, 45493, 45503, 45513, 45523, 45533, 45542, 45551, 45560, 
-    45569, 45576, 45584, 45592, 45600, 45608, 45613, 45618, 45627, 45635, 
-    45642, 45651, 45659, 45666, 45675, 45683, 45690, 45699, 45707, 45714, 
-    45723, 45731, 45738, 45747, 45755, 45762, 45771, 45779, 45786, 45795, 
-    45803, 45810, 45819, 45827, 45834, 45843, 45852, 45861, 45870, 45884, 
-    45898, 45905, 45910, 45915, 45920, 45925, 45930, 45935, 45940, 45945, 
-    45953, 45961, 45969, 45977, 45982, 45989, 45996, 46003, 46008, 46016, 
-    46023, 46031, 46035, 46042, 46048, 46055, 46059, 46065, 46071, 46077, 
-    46081, 46084, 46088, 46092, 46099, 46105, 46111, 46117, 46123, 46137, 
-    46147, 46161, 46175, 46181, 46191, 46205, 46208, 46211, 46218, 46226, 
-    46231, 46236, 46244, 46256, 46268, 46276, 46280, 46284, 46287, 46290, 
-    46294, 46298, 46301, 46304, 46309, 46314, 46320, 46326, 46331, 46336, 
-    46342, 46348, 46353, 46358, 46363, 46368, 46374, 46380, 46385, 46390, 
-    46396, 46402, 46407, 46412, 46415, 46418, 46427, 46429, 46431, 46434, 
-    46438, 46444, 46446, 46449, 46456, 46463, 46471, 46479, 46489, 46503, 
-    46508, 46513, 46517, 46522, 46530, 46538, 46547, 46556, 46565, 46574, 
-    46579, 46584, 46590, 46596, 46602, 46608, 46611, 46617, 46623, 46633, 
-    46643, 46651, 46659, 46668, 46677, 46681, 46689, 46697, 46705, 46713, 
-    46722, 46731, 46740, 46749, 46754, 46759, 46764, 46769, 46774, 46780, 
-    46786, 46791, 46797, 46799, 46801, 46803, 46805, 46808, 46811, 46813, 
-    46815, 46817, 46821, 46825, 46827, 46829, 46832, 46835, 46839, 46845, 
-    46851, 46853, 46860, 46864, 46869, 46874, 46876, 46886, 46892, 46898, 
-    46904, 46910, 46916, 46922, 46927, 46930, 46933, 46936, 46938, 46940, 
-    46944, 46948, 46953, 46958, 46963, 46966, 46970, 46975, 46978, 46982, 
-    46987, 46992, 46997, 47002, 47007, 47012, 47017, 47022, 47027, 47032, 
-    47037, 47042, 47048, 47054, 47060, 47062, 47065, 47067, 47070, 47072, 
-    47074, 47076, 47078, 47080, 47082, 47084, 47086, 47088, 47090, 47092, 
-    47094, 47096, 47098, 47100, 47102, 47104, 47109, 47114, 47119, 47124, 
-    47129, 47134, 47139, 47144, 47149, 47154, 47159, 47164, 47169, 47174, 
-    47179, 47184, 47189, 47194, 47199, 47204, 47208, 47212, 47216, 47222, 
-    47228, 47233, 47238, 47243, 47248, 47253, 47258, 47266, 47274, 47282, 
-    47290, 47298, 47306, 47314, 47322, 47328, 47333, 47338, 47343, 47346, 
-    47350, 47354, 47358, 47362, 47366, 47370, 47377, 47384, 47392, 47400, 
-    47405, 47410, 47417, 47424, 47431, 47438, 47441, 47444, 47449, 47451, 
-    47455, 47460, 47462, 47464, 47466, 47468, 47473, 47476, 47478, 47483, 
-    47490, 47497, 47500, 47504, 47509, 47514, 47522, 47528, 47534, 47546, 
-    47553, 47560, 47565, 47570, 47576, 47579, 47582, 47587, 47589, 47593, 
-    47595, 47597, 47599, 47601, 47603, 47605, 47610, 47612, 47614, 47616, 
-    47618, 47622, 47624, 47627, 47632, 47637, 47642, 47647, 47653, 47659, 
-    47661, 47664, 47671, 47678, 47685, 47692, 47696, 47700, 47702, 47704, 
-    47708, 47714, 47719, 47721, 47725, 47734, 47742, 47750, 47756, 47762, 
-    47767, 47773, 47778, 47781, 47795, 47798, 47803, 47808, 47814, 47824, 
-    47826, 47832, 47838, 47842, 47849, 47853, 47855, 47857, 47861, 47867, 
-    47872, 47878, 47880, 47886, 47888, 47894, 47896, 47898, 47903, 47905, 
-    47909, 47914, 47916, 47921, 47926, 47930, 47937, 0, 47947, 47953, 47956, 
-    47962, 47965, 47970, 47975, 47979, 47981, 47983, 47987, 47991, 47995, 
-    47999, 48004, 48006, 48011, 48014, 48017, 48020, 48024, 48028, 48033, 
-    48037, 48042, 48047, 48051, 48056, 48062, 48065, 48071, 48076, 48080, 
-    48085, 48091, 48097, 48104, 48110, 48117, 48124, 48126, 48133, 48137, 
-    48143, 48149, 48154, 48160, 48164, 48169, 48172, 48177, 48183, 48190, 
-    48198, 48205, 48214, 48224, 48231, 48237, 48241, 48248, 48253, 48262, 
-    48265, 48268, 48277, 48287, 48294, 48296, 48302, 48307, 48309, 48312, 
-    48316, 48324, 48333, 48336, 48341, 48346, 48354, 48362, 48370, 48378, 
-    48384, 48390, 48396, 48404, 48409, 48412, 48416, 48419, 48431, 48441, 
-    48452, 48461, 48472, 48482, 48491, 48497, 48505, 48509, 48517, 48521, 
-    48529, 48536, 48543, 48552, 48561, 48571, 48581, 48591, 48601, 48610, 
-    48619, 48629, 48639, 48648, 48657, 48663, 48669, 48675, 48681, 48687, 
-    48693, 48699, 48705, 48711, 48718, 48724, 48730, 48736, 48742, 48748, 
-    48754, 48760, 48766, 48772, 48779, 48786, 48793, 48800, 48807, 48814, 
-    48821, 48828, 48835, 48842, 48850, 48855, 48858, 48862, 48866, 48872, 
-    48875, 48881, 48887, 48892, 48896, 48901, 48907, 48914, 48917, 48924, 
-    48931, 48935, 48944, 48953, 48958, 48964, 48969, 48974, 48981, 48988, 
-    48996, 49004, 49013, 49017, 49026, 49031, 49035, 49042, 49046, 49053, 
-    49061, 49066, 49074, 49078, 49083, 49087, 49092, 49096, 49101, 49106, 
-    49115, 49117, 49120, 49123, 49130, 49137, 49142, 49150, 49156, 49162, 
-    49167, 49170, 49175, 49180, 49185, 49193, 49197, 49204, 49212, 49220, 
-    49225, 49230, 49236, 49241, 49246, 49252, 49257, 49260, 49264, 49268, 
-    49275, 49284, 49289, 49298, 49307, 49313, 49319, 49324, 49329, 49334, 
-    49339, 49345, 49351, 49359, 49367, 49373, 49379, 49384, 49389, 49396, 
-    49403, 49409, 49412, 49415, 49419, 49423, 49427, 49432, 49438, 49444, 
-    49451, 49458, 49463, 49467, 49471, 49475, 49479, 49483, 49487, 49491, 
-    49495, 49499, 49503, 49507, 49511, 49515, 49519, 49523, 49527, 49531, 
-    49535, 49539, 49543, 49547, 49551, 49555, 49559, 49563, 49567, 49571, 
-    49575, 49579, 49583, 49587, 49591, 49595, 49599, 49603, 49607, 49611, 
-    49615, 49619, 49623, 49627, 49631, 49635, 49639, 49643, 49647, 49651, 
-    49655, 49659, 49663, 49667, 49671, 49675, 49679, 49683, 49687, 49691, 
-    49695, 49699, 49703, 49707, 49711, 49715, 49719, 49723, 49727, 49731, 
-    49735, 49739, 49743, 49747, 49751, 49755, 49759, 49763, 49767, 49771, 
-    49775, 49779, 49783, 49787, 49791, 49795, 49799, 49803, 49807, 49811, 
-    49815, 49819, 49823, 49827, 49831, 49835, 49839, 49843, 49847, 49851, 
-    49855, 49859, 49863, 49867, 49871, 49875, 49879, 49883, 49887, 49891, 
-    49895, 49899, 49903, 49907, 49911, 49915, 49919, 49923, 49927, 49931, 
-    49935, 49939, 49943, 49947, 49951, 49955, 49959, 49963, 49967, 49971, 
-    49975, 49979, 49983, 49987, 49991, 49995, 49999, 50003, 50007, 50011, 
-    50015, 50019, 50023, 50027, 50031, 50035, 50039, 50043, 50047, 50051, 
-    50055, 50059, 50063, 50067, 50071, 50075, 50079, 50083, 50087, 50091, 
-    50095, 50099, 50103, 50107, 50111, 50115, 50119, 50123, 50127, 50131, 
-    50135, 50139, 50143, 50147, 50151, 50155, 50159, 50163, 50167, 50171, 
-    50175, 50179, 50183, 50187, 50191, 50195, 50199, 50203, 50207, 50211, 
-    50215, 50219, 50223, 50227, 50231, 50235, 50239, 50243, 50247, 50251, 
-    50255, 50259, 50263, 50267, 50271, 50275, 50279, 50283, 50287, 50291, 
-    50295, 50299, 50303, 50307, 50311, 50315, 50319, 50323, 50327, 50331, 
-    50335, 50339, 50343, 50347, 50351, 50355, 50359, 50363, 50367, 50371, 
-    50375, 50379, 50383, 50387, 50391, 50395, 50399, 50403, 50407, 50411, 
-    50415, 50419, 50423, 50427, 50431, 50435, 50439, 50443, 50447, 50451, 
-    50455, 50459, 50463, 50467, 50471, 50475, 50479, 50483, 50487, 50494, 
-    50502, 50508, 50514, 50521, 50528, 50534, 50540, 50546, 50552, 50557, 
-    50562, 50567, 50572, 50578, 50584, 50592, 50599, 50605, 50611, 50619, 
-    50628, 50635, 50645, 50656, 50659, 50662, 50666, 50670, 50677, 50684, 
-    50695, 50706, 50716, 50726, 50733, 50740, 50747, 50754, 50765, 50776, 
-    50787, 50798, 50808, 50818, 50830, 50842, 50853, 50864, 50876, 50888, 
-    50897, 50907, 50917, 50928, 50939, 50946, 50953, 50960, 50967, 50977, 
-    50987, 50995, 51003, 51010, 51017, 51024, 51031, 51038, 51043, 51048, 
-    51054, 51062, 51072, 51082, 51092, 51102, 51112, 51122, 51132, 51142, 
-    51152, 51162, 51172, 51183, 51194, 51204, 51214, 51225, 51236, 51246, 
-    51256, 51267, 51278, 51288, 51298, 51309, 51320, 51336, 51355, 51371, 
-    51390, 51406, 51422, 51438, 51454, 51465, 51477, 51488, 51500, 51519, 
-    51538, 51546, 51552, 51559, 51566, 51573, 51580, 51585, 51591, 51596, 
-    51601, 51607, 51612, 51617, 51622, 51627, 51632, 51639, 51644, 51651, 
-    51656, 51661, 51665, 51669, 51676, 51683, 51690, 51697, 51704, 51711, 
-    51724, 51737, 51750, 51763, 51771, 51779, 51785, 51791, 51798, 51805, 
-    51812, 51819, 51823, 51828, 51836, 51844, 51852, 51859, 51863, 51871, 
-    51879, 51883, 51887, 51892, 51899, 51907, 51915, 51934, 51953, 51972, 
-    51991, 52010, 52029, 52048, 52067, 52073, 52080, 52089, 52097, 52105, 
-    52110, 52113, 52116, 52121, 52124, 52143, 52150, 52156, 52162, 52166, 
-    52169, 52172, 52175, 52187, 52200, 52207, 52214, 52217, 52221, 52224, 
-    52229, 52234, 52239, 52245, 52254, 52261, 52268, 52276, 52283, 52290, 
-    52293, 52299, 52305, 52308, 52311, 52316, 52321, 52327, 52333, 52337, 
-    52342, 52349, 52353, 52359, 52363, 52367, 52375, 52387, 52396, 52400, 
-    52402, 52411, 52420, 52426, 52429, 52435, 52441, 52446, 52451, 52456, 
-    52461, 52466, 52471, 52473, 52479, 52484, 52491, 52495, 52501, 52504, 
-    52508, 52515, 52522, 52524, 52526, 52532, 52538, 52544, 52553, 52562, 
-    52569, 52576, 52582, 52588, 52593, 52598, 52603, 52609, 52615, 52620, 
-    52627, 52631, 52635, 52648, 52661, 52673, 52682, 52688, 52695, 52700, 
-    52705, 52710, 52715, 52720, 52722, 52729, 52736, 52743, 52750, 52757, 
-    52765, 52771, 52776, 52782, 52788, 52794, 52801, 52807, 52815, 52823, 
-    52831, 52839, 52846, 52852, 52858, 52867, 52871, 52880, 52889, 52898, 
-    52906, 52910, 52916, 52923, 52930, 52934, 52940, 52947, 52952, 52957, 
-    52963, 52968, 52973, 52980, 52987, 52992, 52997, 53005, 53013, 53023, 
-    53033, 53040, 53047, 53051, 53055, 53067, 53073, 53079, 53084, 53089, 
-    53096, 53103, 53109, 53115, 53124, 53132, 53140, 53147, 53154, 53161, 
-    53167, 53174, 53180, 53187, 53194, 53201, 53208, 53214, 53219, 53228, 
-    53238, 53245, 53254, 53260, 53265, 53270, 53280, 53286, 53292, 53298, 
-    53306, 53311, 53318, 53325, 53336, 53343, 53350, 53357, 53364, 53371, 
-    53378, 53385, 53397, 53409, 53420, 53431, 53444, 53457, 53462, 53467, 
-    53476, 53485, 53492, 53499, 53508, 53517, 53525, 53533, 53541, 53549, 
-    53559, 53569, 53583, 53597, 53605, 53613, 53625, 53637, 53645, 53653, 
-    53663, 53673, 53678, 53683, 53692, 53701, 53706, 53711, 53719, 53725, 
-    53731, 53739, 53747, 53760, 53773, 53777, 53781, 53788, 53795, 53802, 
-    53810, 53818, 53827, 53836, 53842, 53848, 53855, 53862, 53869, 53876, 
-    53885, 53894, 53897, 53900, 53905, 53910, 53916, 53922, 53929, 53936, 
-    53946, 53956, 53963, 53970, 53978, 53986, 53994, 54002, 54010, 54018, 
-    54024, 54030, 54034, 54038, 54045, 54052, 54057, 54062, 54067, 54072, 
-    54078, 54092, 54099, 54106, 54110, 54112, 54114, 54119, 54124, 54129, 
-    54134, 54142, 54149, 54156, 54164, 54176, 54184, 54192, 54203, 54207, 
-    54211, 54217, 54225, 54238, 54245, 54252, 54259, 54264, 54271, 54280, 
-    54288, 54294, 54300, 54306, 54315, 54324, 54332, 54341, 54346, 54349, 
-    54354, 54360, 54366, 54372, 54378, 54382, 54385, 54389, 54393, 54399, 
-    54405, 54411, 54417, 54421, 54425, 54432, 54439, 54446, 54453, 54460, 
-    54467, 54477, 54487, 54494, 54501, 54509, 54517, 54521, 54526, 54531, 
-    54537, 54543, 54546, 54549, 54552, 54555, 54559, 54564, 54569, 54574, 
-    54579, 54584, 54588, 54592, 54596, 54600, 54604, 54608, 54612, 54618, 
-    54622, 54628, 54633, 54640, 54648, 54655, 54663, 54670, 54678, 54687, 
-    54694, 54704, 54715, 54721, 54730, 54736, 54745, 54754, 54760, 54766, 
-    54770, 54774, 54783, 54792, 54799, 54806, 54815, 0, 0, 0, 54824, 54829, 
-    54833, 54837, 54842, 54847, 54852, 54860, 54868, 54871, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 54875, 54880, 54885, 
-    54890, 54895, 54900, 54905, 54910, 54915, 54920, 54925, 54931, 54935, 
-    54940, 54945, 54950, 54955, 54960, 54965, 54970, 54975, 54980, 54985, 
-    54990, 54995, 55000, 55005, 55010, 55015, 55020, 55025, 55030, 55035, 
-    55040, 55045, 55051, 55056, 55062, 55071, 55076, 55084, 55091, 55100, 
-    55105, 55110, 55115, 55121, 0, 55128, 55133, 55138, 55143, 55148, 55153, 
-    55158, 55163, 55168, 55173, 55178, 55184, 55188, 55193, 55198, 55203, 
-    55208, 55213, 55218, 55223, 55228, 55233, 55238, 55243, 55248, 55253, 
-    55258, 55263, 55268, 55273, 55278, 55283, 55288, 55293, 55298, 55304, 
-    55309, 55315, 55324, 55329, 55337, 55344, 55353, 55358, 55363, 55368, 
-    55374, 0, 55381, 55389, 55397, 55406, 55413, 55421, 55427, 55436, 55444, 
-    55452, 55460, 55468, 55476, 55484, 55489, 55496, 55502, 55509, 55517, 
-    55524, 55531, 55539, 55545, 55551, 55558, 55565, 55575, 55585, 55592, 
-    55599, 55604, 55614, 55624, 55629, 55634, 55639, 55644, 55649, 55654, 
-    55659, 55664, 55669, 55674, 55679, 55684, 55689, 55694, 55699, 55704, 
-    55709, 55714, 55719, 55724, 55729, 55734, 55739, 55744, 55749, 55754, 
-    55759, 55764, 55769, 55774, 55778, 55782, 55787, 55792, 55797, 55802, 
-    55807, 55812, 55817, 55822, 55827, 55832, 55837, 55842, 55847, 55852, 
-    55857, 55862, 55867, 55872, 55879, 55886, 55893, 55900, 55907, 55914, 
-    55921, 55928, 55935, 55942, 55949, 55956, 55963, 55970, 55975, 55980, 
-    55987, 55994, 56001, 56008, 56015, 56022, 56029, 56036, 56043, 56050, 
-    56057, 56064, 56070, 56076, 56082, 56088, 56095, 56102, 56109, 56116, 
-    56123, 56130, 56137, 56144, 56151, 56158, 56166, 56174, 56182, 56190, 
-    56198, 56206, 56214, 56222, 56226, 56232, 56238, 56242, 56248, 56254, 
-    56260, 56267, 56274, 56281, 56288, 56293, 56299, 56305, 56312, 0, 0, 0, 
-    0, 0, 56319, 56327, 56336, 56345, 56353, 56359, 56364, 56369, 56374, 
-    56379, 56384, 56389, 56394, 56399, 56404, 56409, 56414, 56419, 56424, 
-    56429, 56434, 56439, 56444, 56449, 56454, 56459, 56464, 56469, 56474, 
-    56479, 56484, 56489, 56494, 56499, 56504, 56509, 56514, 56519, 56524, 
-    56529, 56534, 56539, 56544, 56549, 56554, 0, 56559, 0, 0, 0, 0, 0, 56564, 
-    0, 0, 56569, 56573, 56578, 56583, 56588, 56593, 56602, 56607, 56612, 
-    56617, 56622, 56627, 56632, 56637, 56642, 56649, 56654, 56659, 56668, 
-    56675, 56680, 56685, 56690, 56697, 56702, 56709, 56714, 56719, 56726, 
-    56733, 56738, 56743, 56748, 56755, 56762, 56767, 56772, 56777, 56782, 
-    56787, 56794, 56801, 56806, 56811, 56816, 56821, 56826, 56831, 56836, 
-    56841, 56846, 56851, 56856, 56863, 56868, 56873, 0, 0, 0, 0, 0, 0, 0, 
-    56878, 56885, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56890, 56895, 
-    56899, 56903, 56907, 56911, 56915, 56919, 56923, 56927, 56931, 56935, 
-    56941, 56945, 56949, 56953, 56957, 56961, 56965, 56969, 56973, 56977, 
-    56981, 56985, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56989, 56993, 56997, 57001, 
-    57005, 57009, 57013, 0, 57017, 57021, 57025, 57029, 57033, 57037, 57041, 
-    0, 57045, 57049, 57053, 57057, 57061, 57065, 57069, 0, 57073, 57077, 
-    57081, 57085, 57089, 57093, 57097, 0, 57101, 57105, 57109, 57113, 57117, 
-    57121, 57125, 0, 57129, 57133, 57137, 57141, 57145, 57149, 57153, 0, 
-    57157, 57161, 57165, 57169, 57173, 57177, 57181, 0, 57185, 57189, 57193, 
-    57197, 57201, 57205, 57209, 0, 57213, 57218, 57223, 57228, 57233, 57238, 
-    57243, 57247, 57252, 57257, 57262, 57266, 57271, 57276, 57281, 57286, 
-    57290, 57295, 57300, 57305, 57310, 57315, 57320, 57324, 57329, 57334, 
-    57341, 57346, 57351, 57357, 57364, 57371, 57380, 57387, 57396, 57400, 
-    57404, 57410, 57416, 57422, 57430, 57436, 57440, 57444, 57448, 57454, 
-    57460, 57464, 57466, 57470, 57476, 57478, 57482, 57486, 57490, 57496, 
-    57501, 57505, 57509, 57514, 57520, 57525, 57530, 57535, 57540, 57547, 
-    57554, 57559, 57564, 57569, 57574, 57579, 57584, 57588, 57592, 57599, 
-    57606, 57612, 57616, 57621, 57623, 57627, 57635, 57639, 57643, 57647, 
-    57651, 57657, 57663, 57667, 57673, 57677, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 57681, 57685, 57689, 57694, 57699, 57704, 
-    57708, 57712, 57716, 57721, 57726, 57730, 57734, 57738, 57742, 57747, 
-    57752, 57757, 57762, 57766, 57770, 57775, 57780, 57785, 57790, 57794, 0, 
-    57798, 57802, 57806, 57810, 57814, 57818, 57822, 57827, 57832, 57836, 
-    57841, 57846, 57855, 57859, 57863, 57867, 57874, 57878, 57883, 57888, 
-    57892, 57896, 57902, 57907, 57912, 57917, 57922, 57926, 57930, 57934, 
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-    58037, 58042, 58047, 58051, 58057, 58061, 58065, 58071, 58077, 58082, 
-    58087, 58091, 58095, 58103, 58109, 58115, 58121, 58126, 58131, 58136, 
-    58142, 58146, 58152, 58156, 58160, 58166, 58172, 58178, 58184, 58190, 
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-    58396, 58400, 58404, 58408, 58412, 58416, 58420, 58424, 58428, 58432, 
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-    58522, 58526, 58530, 58534, 58538, 58542, 58546, 58550, 58554, 58558, 
-    58562, 58566, 58570, 58574, 58580, 58584, 58588, 58592, 58596, 58600, 
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-    58732, 58736, 58740, 58744, 58748, 58752, 58756, 58760, 58764, 58768, 
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-    59491, 59497, 59508, 59518, 59533, 59543, 59547, 59557, 59563, 59569, 
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-    59847, 59851, 59855, 59858, 59863, 59867, 59872, 59876, 59879, 59883, 
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-    59928, 0, 0, 59933, 59941, 59949, 59956, 59963, 59967, 59973, 59978, 
-    59983, 59987, 59990, 59994, 59997, 60001, 60004, 60008, 60011, 60015, 
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-    60136, 60140, 60143, 60147, 60151, 60155, 60159, 60162, 60166, 60169, 
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-    60252, 60257, 60261, 60264, 60268, 60272, 60276, 60280, 60285, 60289, 
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-    60642, 60646, 60650, 60654, 60658, 60662, 60666, 60670, 60674, 60678, 
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-    60756, 60759, 60763, 60767, 60771, 60775, 60779, 60783, 60787, 60791, 
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-    61219, 61224, 61229, 61234, 61239, 61244, 61249, 61254, 61259, 61264, 
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-    61344, 61349, 61354, 61358, 61363, 61367, 61372, 61377, 61382, 61387, 
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-    61436, 61440, 61444, 61448, 61452, 61456, 61460, 61464, 61468, 61472, 
-    61477, 61482, 61487, 61492, 61497, 61502, 61507, 61512, 61517, 61522, 
-    61527, 61532, 61537, 61542, 61547, 61553, 0, 61560, 61563, 61566, 61569, 
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-    61607, 61611, 61615, 61619, 61623, 61627, 61631, 61635, 61639, 61643, 
-    61647, 61651, 61655, 61659, 61663, 61667, 61671, 61675, 61679, 61683, 
-    61687, 61691, 61695, 61699, 61703, 61707, 61711, 61720, 61729, 61738, 
-    61747, 61756, 61765, 61774, 61783, 61786, 61791, 61796, 61801, 61806, 
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-    61860, 61864, 61868, 61872, 61876, 61880, 61884, 61888, 61892, 61896, 
-    61900, 61904, 61908, 61912, 61916, 61921, 61926, 61931, 61936, 61941, 
-    61946, 61951, 61956, 61961, 61966, 61971, 61976, 61981, 61986, 61992, 
-    61998, 62003, 62008, 62011, 62014, 62017, 62020, 62023, 62026, 62029, 
-    62032, 62035, 62039, 62043, 62047, 62051, 62055, 62059, 62063, 62067, 
-    62071, 62075, 62079, 62083, 62087, 62091, 62095, 62099, 62103, 62107, 
-    62111, 62115, 62119, 62123, 62127, 62131, 62135, 62139, 62143, 62147, 
-    62151, 62155, 62159, 62163, 62167, 62171, 62175, 62179, 62183, 62187, 
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-    62296, 62303, 62310, 62317, 62324, 62331, 62338, 62345, 62352, 62355, 
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-    62392, 62396, 62400, 62403, 62407, 62411, 62415, 62419, 62423, 62427, 
-    62431, 62435, 62438, 62441, 62445, 62449, 62453, 62457, 62460, 62464, 
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-    62506, 62509, 62513, 62517, 62521, 62525, 62529, 62533, 62537, 0, 62541, 
-    62544, 62547, 62550, 62553, 62556, 62559, 62562, 62565, 62568, 62571, 
-    62574, 62577, 62580, 62583, 62586, 62589, 62592, 62595, 62598, 62601, 
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-    65697, 65701, 65705, 65709, 65713, 65717, 65721, 65725, 65729, 65733, 
-    65737, 65741, 65745, 65749, 65753, 65757, 65761, 65765, 65769, 65773, 
-    65777, 65781, 65785, 65789, 65793, 65797, 65801, 65805, 65809, 65813, 
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-    65977, 65981, 65985, 65989, 65993, 65997, 66001, 66005, 66009, 66013, 
-    66017, 66021, 66025, 66029, 66033, 66037, 66041, 66045, 66049, 66053, 
-    66057, 66061, 66065, 66069, 66073, 66077, 66081, 66085, 66089, 66093, 
-    66097, 66101, 66105, 66109, 66113, 66117, 66121, 66125, 66129, 66133, 
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-    66176, 66180, 66184, 66188, 66192, 66196, 66200, 66204, 66208, 66212, 
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-    66376, 66380, 66384, 66388, 66392, 66396, 66400, 66404, 66408, 66412, 
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-    66456, 66460, 66464, 66468, 66472, 66476, 66480, 66484, 66488, 66492, 
-    66496, 66500, 66504, 66508, 66512, 66516, 66520, 66524, 66528, 66532, 
-    66536, 66540, 66544, 66548, 66552, 66556, 66560, 66564, 66568, 66572, 
-    66576, 66580, 66584, 66588, 66592, 66596, 66600, 66604, 66608, 66612, 
-    66616, 66620, 66624, 66627, 66631, 66635, 66639, 66643, 66647, 66651, 
-    66655, 66659, 66663, 66667, 66671, 66675, 66679, 66683, 66687, 66691, 
-    66695, 66699, 66703, 66707, 66711, 66715, 66719, 66723, 66727, 66731, 
-    66735, 66739, 66743, 66747, 66751, 66755, 66759, 66763, 66767, 66771, 
-    66775, 66779, 66783, 66787, 66791, 66795, 66799, 66803, 66807, 66811, 
-    66815, 66819, 66823, 66827, 66831, 66835, 66839, 66843, 66847, 66851, 
-    66855, 66859, 66863, 66867, 66871, 66875, 66879, 66883, 66887, 66891, 
-    66895, 66899, 66903, 66907, 66911, 66915, 66919, 66923, 66927, 66931, 
-    66935, 66939, 66943, 66947, 66951, 66955, 66959, 66963, 66967, 66971, 
-    66975, 66979, 66983, 66987, 66991, 66995, 66999, 67003, 67007, 67011, 
-    67015, 67019, 67023, 67027, 67031, 67035, 67039, 67043, 67047, 67051, 
-    67055, 67059, 67063, 67067, 67071, 67075, 67079, 67083, 67087, 67091, 
-    67095, 67099, 67103, 67107, 67111, 67115, 67119, 67123, 67127, 67131, 
-    67135, 67139, 67143, 67147, 67151, 67155, 67159, 67163, 67167, 67171, 
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+    151132, 151136, 151140, 151144, 151148, 151152, 151156, 151160, 151164, 
+    151168, 151172, 151176, 151180, 151184, 151188, 151192, 151196, 151200, 
+    151204, 151208, 151212, 151216, 151220, 151224, 151228, 151232, 151236, 
+    151240, 151244, 151248, 151252, 151256, 151260, 151264, 151268, 151272, 
+    151276, 151280, 151284, 151288, 151292, 151296, 151300, 151304, 151308, 
+    151312, 151316, 151320, 151324, 151328, 151332, 151336, 151340, 151344, 
+    151348, 151352, 151356, 151360, 151364, 151368, 151372, 151376, 151380, 
+    151384, 151388, 151392, 151396, 151400, 151404, 151408, 151412, 151416, 
+    151420, 151424, 151428, 151432, 151436, 151440, 151444, 151448, 151452, 
+    151456, 151460, 151464, 151468, 151472, 151476, 151480, 151484, 151488, 
+    151492, 151496, 151500, 151504, 151508, 151512, 151516, 151520, 151524, 
+    151528, 151532, 151536, 151540, 151544, 151548, 151552, 151556, 151560, 
+    151564, 151568, 151572, 151576, 151580, 151584, 151588, 151593, 151598, 
+    151603, 151607, 151613, 151620, 151627, 151634, 151641, 151648, 151655, 
+    151662, 151669, 151676, 151683, 151690, 151697, 151704, 151710, 151717, 
+    151724, 151730, 151737, 151744, 151751, 151758, 151765, 151772, 151779, 
+    151786, 151793, 151800, 151807, 151814, 151821, 151828, 151834, 151841, 
+    151848, 151857, 151866, 151875, 151884, 151889, 151894, 151900, 151906, 
+    151912, 151918, 151924, 151930, 151936, 151942, 151948, 151954, 151960, 
+    151966, 151971, 151977, 151987, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
 };
 
 /* name->code dictionary */
 static unsigned int code_hash[] = {
-    74224, 4851, 0, 78156, 78499, 128685, 7929, 0, 194682, 127766, 78500, 
-    66480, 0, 42833, 74529, 12064, 0, 596, 983821, 69850, 13192, 8651, 0, 0, 
-    120218, 12995, 64865, 1373, 0, 0, 5816, 119067, 64810, 4231, 6825, 42897, 
-    4233, 4234, 4232, 917836, 74415, 120210, 6384, 917840, 78108, 8851, 0, 
-    128553, 0, 41601, 8874, 983783, 7748, 0, 0, 0, 127939, 41603, 9784, 0, 
-    9188, 41600, 0, 120618, 128343, 1457, 3535, 0, 0, 0, 0, 65240, 11951, 0, 
-    3404, 0, 0, 0, 1759, 0, 41076, 68383, 120572, 119205, 66577, 94014, 
-    127764, 65859, 0, 7404, 0, 0, 0, 0, 65908, 9834, 3055, 9852, 983860, 
-    65288, 0, 11398, 0, 92417, 119255, 0, 0, 603, 74398, 43548, 0, 0, 917824, 
-    3350, 120817, 64318, 917828, 127089, 3390, 74483, 43265, 120599, 917830, 
-    78573, 0, 1919, 3400, 120651, 127944, 11647, 917540, 66446, 64141, 8562, 
+    74224, 4851, 125138, 78156, 78499, 72391, 7929, 66910, 194682, 127766, 
+    78500, 66480, 64038, 42833, 74529, 12064, 72385, 596, 983821, 69850, 
+    13192, 8651, 120217, 126542, 120218, 12995, 64865, 1373, 0, 113752, 5816, 
+    119067, 64810, 4231, 6825, 42897, 4233, 4234, 4232, 917836, 74415, 
+    120210, 6384, 70351, 78108, 8851, 67698, 128553, 0, 41601, 8874, 72392, 
+    7748, 0, 0, 127026, 127939, 41603, 9784, 0, 9188, 41600, 0, 120618, 
+    128343, 1457, 3535, 128635, 6381, 0, 0, 65240, 11951, 0, 3404, 0, 70487, 
+    72411, 1759, 0, 41076, 68383, 69972, 119205, 66577, 94014, 127764, 65859, 
+    0, 7404, 0, 0, 69970, 128387, 65908, 9834, 3055, 9852, 983860, 65288, 0, 
+    11398, 0, 92417, 93016, 128380, 0, 603, 74398, 43548, 0, 71865, 917824, 
+    3350, 120817, 64318, 917828, 78121, 3390, 74483, 43265, 120599, 917830, 
+    78573, 0, 1919, 3400, 120651, 119949, 11647, 917540, 66446, 64141, 8562, 
     2121, 64138, 4043, 8712, 64134, 64133, 11297, 983688, 983152, 11966, 
-    64128, 128587, 0, 0, 64132, 10867, 64130, 64129, 983844, 43374, 9779, 
-    2764, 66002, 10167, 9471, 0, 66021, 0, 0, 5457, 5440, 8857, 93981, 65282, 
-    2843, 5355, 127928, 983965, 0, 5194, 11657, 43984, 128292, 0, 983620, 0, 
-    0, 127027, 10717, 64570, 5630, 5396, 64143, 10682, 0, 10602, 800, 42499, 
-    66186, 0, 0, 64930, 11631, 64146, 64145, 64144, 762, 13172, 118859, 
-    194661, 64468, 10906, 1353, 6960, 0, 0, 5828, 8724, 917806, 8933, 1601, 
-    42244, 858, 7080, 64109, 64108, 8090, 0, 74401, 917811, 587, 0, 128131, 
-    0, 0, 0, 78214, 2750, 74218, 556, 64158, 64157, 983949, 12213, 194678, 
-    2760, 0, 0, 0, 194794, 64156, 64155, 42496, 0, 64151, 64150, 12679, 
-    10053, 10421, 11093, 64153, 64152, 0, 0, 4839, 0, 0, 1874, 119016, 0, 
-    6577, 64125, 64124, 64123, 0, 127531, 92534, 7007, 7590, 65443, 9036, 
-    92550, 64122, 74422, 66609, 0, 64117, 64116, 6287, 64114, 2725, 64120, 
-    64119, 43981, 42128, 127842, 1177, 65601, 12322, 64106, 69640, 127306, 
-    64102, 7859, 1945, 64099, 0, 10453, 64104, 7188, 7997, 0, 7389, 983161, 
-    8705, 64097, 64096, 9571, 528, 128671, 44017, 11429, 71347, 0, 983077, 
-    917990, 73841, 0, 0, 9056, 64313, 6188, 120019, 6155, 64068, 1823, 64066, 
-    64065, 64072, 64071, 63, 7233, 92212, 0, 41904, 6639, 64064, 983775, 
-    128344, 0, 1176, 118959, 127930, 8162, 128667, 983831, 0, 120519, 66376, 
-    66242, 11415, 4333, 9855, 64112, 64642, 0, 5388, 0, 0, 0, 7714, 66222, 
-    69902, 7768, 0, 4199, 64708, 983421, 0, 0, 8708, 9560, 64077, 64076, 
-    8996, 4992, 4471, 42622, 64079, 64078, 92179, 0, 126570, 0, 64615, 41915, 
-    0, 12075, 70062, 0, 5174, 983217, 0, 127557, 3123, 0, 12685, 127904, 
-    8408, 64704, 0, 0, 9223, 0, 41616, 67999, 73797, 0, 1116, 128204, 43049, 
-    7136, 43050, 8548, 120485, 0, 119061, 917999, 0, 13115, 43675, 64091, 
-    9322, 0, 120595, 64095, 64094, 8111, 66247, 42332, 64089, 64088, 6199, 0, 
-    0, 11434, 64083, 64082, 11329, 7737, 64087, 64086, 64085, 64084, 194817, 
-    9927, 41335, 4118, 1797, 0, 41334, 0, 46, 43448, 127881, 298, 0, 128114, 
-    0, 42627, 0, 32, 6187, 119052, 11495, 11459, 3665, 983600, 42871, 0, 
-    19923, 74335, 0, 127192, 66239, 42264, 64403, 4412, 7240, 92495, 0, 
-    983466, 65758, 12750, 4181, 8544, 0, 120199, 917897, 120198, 69809, 6181, 
-    65014, 0, 0, 983196, 3639, 119588, 0, 0, 118904, 10073, 120206, 128862, 
-    127186, 68409, 42844, 7498, 1098, 92565, 120205, 0, 983118, 10207, 8789, 
-    983225, 0, 0, 983472, 9234, 0, 6182, 983474, 65058, 0, 983478, 983475, 0, 
-    5471, 9461, 5573, 118936, 5473, 44, 0, 66244, 94072, 0, 66238, 12844, 0, 
-    1622, 7767, 1900, 41339, 11458, 0, 0, 6581, 5576, 0, 64405, 41337, 0, 
-    41631, 8947, 68390, 127844, 41694, 0, 0, 7908, 0, 10408, 6579, 0, 64618, 
-    0, 120147, 2138, 6583, 7761, 127010, 120504, 194828, 0, 5058, 41010, 
-    9992, 128299, 5057, 0, 0, 74538, 5054, 118951, 194971, 78606, 0, 1437, 
-    41617, 658, 3497, 128509, 7486, 5061, 5060, 4235, 127878, 0, 128529, 
-    12113, 4236, 4727, 0, 0, 7693, 10749, 0, 7488, 5773, 978, 128134, 0, 
-    41619, 10239, 68611, 0, 66209, 0, 128700, 9748, 983956, 127524, 0, 0, 0, 
-    0, 195083, 0, 983843, 0, 0, 0, 0, 0, 9341, 119596, 2379, 11325, 0, 64668, 
-    67854, 8125, 120545, 6743, 119175, 917940, 2369, 0, 983972, 983973, 
-    119235, 74092, 73936, 7008, 43660, 0, 0, 0, 2367, 127827, 983857, 264, 
-    2375, 8060, 6194, 119858, 1844, 119084, 0, 6019, 0, 0, 6961, 0, 118839, 
-    0, 8800, 0, 42862, 4463, 65581, 6192, 194676, 42771, 0, 92333, 725, 
-    65042, 118797, 120800, 983040, 12892, 0, 0, 0, 0, 0, 0, 127261, 120707, 
-    983128, 0, 5074, 5073, 128790, 8983, 118981, 74493, 983561, 5072, 93977, 
-    6198, 11614, 0, 196, 0, 0, 0, 4929, 120342, 0, 0, 0, 0, 42847, 0, 0, 0, 
-    4934, 0, 41323, 9758, 0, 92289, 127917, 42584, 0, 4329, 41321, 4979, 
-    3048, 7752, 41320, 983042, 74418, 12819, 0, 5071, 0, 3642, 0, 5070, 
-    10042, 118835, 3987, 5068, 0, 8909, 78650, 78649, 69917, 10636, 73981, 
-    11806, 43167, 4531, 1245, 9105, 66463, 4921, 120219, 4926, 65544, 73884, 
-    194619, 0, 0, 64709, 0, 194620, 78880, 4922, 325, 992, 119568, 4925, 0, 
-    0, 9526, 4920, 0, 948, 0, 120208, 4930, 0, 92175, 120275, 4933, 120211, 
-    0, 118985, 4928, 0, 0, 74770, 120194, 126548, 722, 194934, 19908, 12637, 
-    127485, 119855, 8753, 1509, 0, 5468, 9511, 127474, 127477, 1672, 6205, 
-    10864, 74586, 127480, 70103, 127466, 78555, 127468, 73863, 126577, 
-    126503, 41607, 120115, 1679, 120116, 120180, 120113, 127462, 7005, 41609, 
-    9580, 0, 401, 69949, 43779, 6968, 5761, 342, 8553, 0, 8143, 127115, 
-    11983, 92249, 624, 74508, 4057, 43788, 5078, 74258, 12478, 0, 5076, 0, 
-    194609, 0, 8295, 685, 9025, 1524, 12618, 0, 5539, 0, 92523, 120102, 7138, 
-    120552, 0, 194611, 78752, 0, 12520, 8058, 9732, 0, 5080, 64775, 5036, 
-    5035, 120590, 42604, 983656, 0, 8074, 275, 13291, 1907, 78838, 4432, 
-    127271, 5033, 127273, 127272, 4836, 3888, 73792, 10729, 64546, 127262, 
-    43704, 127264, 127251, 67588, 119000, 127252, 127255, 8858, 6409, 127256, 
-    120252, 128100, 0, 0, 66321, 0, 12814, 127248, 3432, 10218, 0, 6094, 
-    7641, 42445, 0, 92487, 42406, 1676, 74320, 194607, 983177, 5030, 0, 0, 0, 
-    73869, 9622, 0, 69944, 6787, 0, 0, 0, 983583, 10544, 12919, 0, 92218, 0, 
-    0, 69906, 120789, 0, 947, 119835, 194586, 194585, 10969, 119935, 7613, 
-    92562, 119936, 4795, 119930, 7018, 7376, 120181, 120192, 120268, 0, 
-    43567, 74056, 917910, 11833, 119919, 7216, 65232, 7217, 251, 7218, 7895, 
-    4395, 43538, 119926, 119929, 119928, 7213, 119922, 7214, 7215, 983836, 
-    74141, 8880, 7685, 66459, 120173, 65540, 119618, 625, 8187, 42861, 1113, 
-    7236, 7915, 3630, 120176, 8179, 74264, 67886, 9316, 10980, 2489, 65624, 
-    8150, 1359, 67652, 127329, 127330, 73756, 5042, 5041, 42769, 12084, 
-    127324, 127321, 92279, 127319, 127320, 127317, 127318, 127315, 12283, 
-    1616, 3795, 0, 8795, 66245, 0, 0, 0, 1138, 73905, 12677, 0, 0, 3239, 
-    127311, 0, 0, 8431, 0, 42164, 0, 11778, 12620, 6826, 73773, 119073, 5040, 
-    0, 0, 983443, 78420, 0, 5039, 0, 78418, 0, 5038, 0, 0, 13184, 74293, 0, 
-    64648, 0, 9359, 78416, 0, 128770, 65157, 6662, 0, 0, 3863, 73909, 4835, 
-    55266, 43432, 127822, 4309, 7127, 194569, 0, 194568, 1301, 0, 42589, 569, 
-    0, 73813, 711, 4389, 7133, 0, 73880, 11610, 11368, 0, 194570, 41331, 
-    1006, 74240, 0, 1550, 8201, 73737, 7627, 5499, 5031, 77908, 42738, 65784, 
-    77907, 65267, 3758, 0, 65781, 64734, 70073, 2440, 65780, 77913, 8449, 0, 
-    5008, 983572, 2118, 0, 12121, 8255, 5512, 73875, 2128, 2130, 2131, 2126, 
-    2133, 1119, 127068, 2114, 2116, 2455, 0, 2122, 2123, 2124, 2125, 127486, 
-    8714, 983820, 2113, 0, 2115, 128177, 127907, 43713, 5052, 66220, 5821, 
-    6186, 65778, 65775, 5051, 65773, 1429, 42647, 5050, 302, 388, 41115, 735, 
-    6637, 5907, 65088, 0, 12726, 74594, 9117, 983181, 12003, 5513, 6666, 
-    5053, 74230, 5510, 78451, 0, 78447, 2470, 78437, 0, 1925, 0, 92237, 
-    74807, 0, 5048, 5047, 0, 0, 0, 92313, 0, 74497, 92395, 8089, 6929, 639, 
-    983563, 68179, 64442, 0, 92348, 4599, 41402, 6674, 43397, 43294, 1476, 
-    648, 0, 65819, 3233, 0, 41782, 6951, 94017, 983976, 3530, 9750, 128317, 
-    0, 6656, 42618, 0, 5046, 8512, 65856, 74261, 8967, 0, 5045, 42026, 1916, 
-    7986, 5044, 120556, 9006, 13128, 5043, 0, 7853, 74068, 74004, 9669, 
-    12341, 12703, 8402, 0, 119070, 917600, 41750, 3586, 64508, 43148, 0, 0, 
-    119606, 67983, 13296, 517, 0, 128534, 194946, 41528, 123, 65454, 0, 0, 
-    74478, 10531, 7784, 41526, 10829, 73991, 8057, 1126, 73895, 0, 194591, 0, 
-    3925, 4251, 8069, 10517, 120439, 489, 0, 4250, 120441, 120452, 43151, 
-    983178, 194851, 66200, 0, 0, 0, 78423, 0, 0, 8711, 6183, 0, 0, 0, 120448, 
-    7623, 118925, 118889, 9235, 12760, 74176, 69662, 66445, 43540, 10062, 
-    3743, 11514, 11078, 0, 12136, 0, 126597, 120435, 0, 7726, 0, 19922, 267, 
-    3393, 42198, 1371, 194849, 69233, 2458, 0, 6201, 0, 41074, 4266, 10652, 
-    41612, 41077, 3402, 9050, 3398, 0, 983348, 0, 3391, 41075, 2476, 0, 
-    128017, 0, 10625, 0, 12767, 13017, 78743, 64261, 64934, 127537, 13014, 
-    13013, 0, 6673, 0, 0, 0, 12438, 0, 983342, 0, 983880, 126638, 9053, 
-    13015, 74523, 0, 704, 66215, 6195, 983828, 6660, 78758, 917760, 917793, 
-    42212, 12629, 11435, 0, 55256, 65538, 0, 127940, 983341, 74547, 126585, 
-    65448, 78100, 12948, 119001, 195002, 119238, 195004, 78099, 127085, 0, 
-    128320, 4287, 8276, 4902, 1131, 0, 78458, 66728, 1816, 0, 42533, 168, 
-    42845, 4898, 64298, 983141, 0, 4901, 1821, 0, 578, 3653, 0, 791, 9162, 
-    6977, 0, 78889, 74561, 0, 73731, 8354, 43590, 119303, 983449, 7557, 
-    119339, 119301, 8234, 7241, 0, 120671, 119167, 194996, 12811, 65925, 
-    3946, 78078, 10998, 78080, 673, 194867, 64397, 128276, 74599, 78449, 
-    8890, 194977, 194976, 2448, 78085, 10267, 8424, 2452, 78083, 128824, 
-    8729, 78456, 0, 7845, 917917, 71302, 4408, 4122, 6772, 11039, 8723, 
-    194990, 71310, 119302, 731, 119304, 92286, 2438, 64855, 119300, 119299, 
-    1175, 0, 42135, 373, 119172, 2119, 11457, 11521, 7723, 0, 0, 0, 41952, 0, 
-    5273, 2127, 5269, 6337, 5202, 2404, 5267, 42823, 11291, 19915, 5277, 
-    12963, 127864, 6189, 4125, 1314, 12133, 120340, 118873, 1271, 983640, 0, 
-    66024, 41482, 3864, 74539, 0, 3879, 0, 12978, 4166, 4574, 0, 7567, 7459, 
-    983160, 41390, 5384, 41882, 67647, 92548, 5759, 983912, 0, 41388, 64446, 
-    41392, 64288, 41387, 0, 8706, 5552, 983187, 700, 0, 5553, 0, 7088, 5356, 
-    7499, 68007, 66596, 74066, 0, 10263, 5554, 0, 12344, 10311, 78113, 6665, 
-    92626, 0, 7618, 8517, 11455, 78440, 64632, 64447, 5555, 78088, 78093, 
-    78091, 0, 42803, 65033, 9143, 6668, 195067, 67995, 195069, 656, 195071, 
-    65037, 4577, 64624, 0, 0, 0, 983649, 4269, 73885, 917775, 42846, 69644, 
-    950, 0, 92273, 66580, 118895, 66683, 10554, 917778, 119121, 0, 5098, 
-    917770, 0, 119099, 5097, 4935, 9848, 10381, 0, 128870, 983701, 3651, 0, 
-    120730, 127556, 5102, 5101, 10269, 12983, 8138, 4517, 1932, 5100, 1439, 
-    12093, 1247, 10034, 195064, 5099, 78373, 1441, 42087, 3063, 650, 0, 7838, 
-    0, 195041, 195040, 119142, 9031, 120790, 128582, 9078, 8545, 66356, 
-    128799, 0, 9154, 9118, 126543, 0, 2676, 2277, 0, 73812, 6190, 8599, 
-    195053, 69918, 10795, 9857, 7014, 9856, 195033, 92620, 12129, 0, 8481, 0, 
-    6202, 195035, 10920, 128237, 5203, 195039, 195038, 5108, 5107, 65818, 
-    66019, 9762, 0, 5541, 74772, 0, 12613, 5284, 6657, 207, 128806, 4275, 
-    74819, 854, 68147, 74381, 0, 78786, 5103, 127861, 64348, 41368, 43974, 
-    488, 69811, 0, 71339, 10157, 0, 43034, 11438, 64674, 0, 92694, 68431, 
-    41771, 5106, 6669, 8504, 65154, 69813, 41367, 5105, 127509, 69720, 6476, 
-    5104, 983749, 304, 3176, 119010, 0, 932, 120633, 6567, 238, 69656, 
-    195011, 194595, 19905, 120577, 195015, 78870, 41044, 67640, 194902, 
-    42055, 9912, 65939, 10670, 74093, 13273, 0, 12552, 195019, 8803, 309, 
-    6622, 8151, 10858, 78706, 67636, 0, 12568, 0, 12553, 10814, 43275, 6950, 
-    9712, 68680, 43970, 983198, 65165, 92725, 0, 66466, 0, 0, 0, 66725, 6191, 
-    11351, 10437, 11316, 67634, 43763, 0, 41754, 67635, 9370, 2720, 194975, 
-    68462, 8232, 118817, 0, 3222, 0, 0, 0, 66663, 0, 0, 10834, 0, 0, 65732, 
-    94095, 917547, 92682, 67679, 195020, 0, 7781, 41383, 64568, 0, 120738, 
-    12077, 0, 64586, 917620, 42396, 55255, 3475, 128035, 2479, 0, 3632, 
-    120728, 10698, 8376, 3648, 194960, 74844, 67639, 3636, 67894, 3650, 8837, 
-    65229, 1843, 42283, 43250, 41562, 9100, 74548, 917630, 3640, 127190, 
-    42321, 7284, 194974, 194973, 194950, 194949, 194952, 194951, 126649, 
-    194953, 42080, 2529, 0, 0, 0, 42083, 120678, 68398, 194957, 67619, 66367, 
-    194958, 9634, 92380, 9988, 0, 41068, 0, 4295, 65264, 68006, 0, 92545, 0, 
-    785, 8236, 128647, 9027, 68160, 67623, 64383, 120265, 925, 127156, 0, 
-    41985, 41071, 9586, 0, 41984, 9217, 0, 0, 0, 9186, 2067, 4016, 983803, 0, 
-    381, 12936, 0, 42077, 0, 69880, 5184, 42078, 194947, 10810, 128531, 4585, 
-    19943, 5860, 67633, 0, 0, 812, 3615, 0, 5178, 44000, 120548, 78807, 5188, 
-    74287, 67629, 3605, 10692, 1166, 64429, 42639, 924, 0, 67631, 42616, 
-    120670, 2442, 10703, 78789, 67632, 917924, 12771, 12736, 12753, 66708, 
-    73933, 67626, 42401, 0, 69872, 127373, 42288, 12751, 0, 8542, 13145, 
-    194963, 2468, 66706, 41294, 3626, 3883, 64388, 42479, 0, 41117, 0, 92580, 
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-    74417, 4018, 7150, 68127, 0, 0, 0, 0, 127526, 2561, 68621, 3542, 7148, 
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-    0, 0, 67996, 2020, 0, 4022, 128783, 0, 77923, 126593, 41691, 0, 0, 74329, 
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-    0, 128198, 0, 118931, 119630, 13123, 10846, 3450, 127360, 7397, 118807, 
-    0, 42778, 10000, 41088, 449, 0, 3777, 68458, 0, 9636, 0, 10738, 69634, 
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-    120280, 92192, 12347, 124, 12981, 41127, 2092, 92687, 0, 0, 0, 10820, 
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-    0, 195058, 7795, 120300, 0, 4828, 1258, 127802, 2006, 0, 0, 9498, 127032, 
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-    4491, 1961, 42602, 11525, 120292, 1959, 120294, 55228, 11774, 41016, 0, 
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-    0, 65292, 6822, 12862, 0, 0, 42143, 41828, 78207, 65531, 78208, 118879, 
-    55223, 0, 128071, 41826, 8865, 6402, 0, 13279, 7917, 74755, 0, 7733, 0, 
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-    0, 74788, 2014, 0, 0, 9765, 0, 0, 0, 195059, 78357, 65281, 127825, 10949, 
-    0, 0, 0, 2015, 0, 0, 0, 66318, 43233, 0, 42517, 0, 0, 0, 12698, 8094, 
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-    0, 0, 4837, 127061, 770, 0, 811, 0, 41042, 917551, 41318, 64427, 0, 
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+    4712, 917902, 917899, 65400, 65416, 8155, 4718, 3942, 4714, 9625, 0, 
+    6383, 194744, 12006, 128565, 194789, 0, 113756, 0, 65414, 6454, 1229, 
+    126606, 66437, 66025, 78699, 0, 42500, 120508, 4809, 9623, 917874, 78694, 
+    917880, 917877, 917858, 65405, 68159, 12893, 78617, 5365, 4545, 8901, 
+    92421, 119555, 4813, 128262, 0, 5925, 4808, 64330, 128400, 65475, 118940, 
+    68244, 4814, 0, 4810, 0, 0, 64928, 10543, 71249, 3522, 71335, 414, 65404, 
+    0, 195027, 6456, 73820, 0, 6691, 42193, 66284, 128171, 0, 68337, 0, 
+    43858, 43832, 118820, 9751, 65407, 128085, 11770, 3919, 120724, 0, 65061, 
+    0, 917894, 0, 12235, 0, 92701, 127233, 64092, 983470, 64080, 0, 64090, 
+    983586, 69913, 10162, 10310, 0, 8454, 127888, 42038, 387, 41363, 12737, 
+    0, 4780, 43368, 0, 64310, 64621, 6732, 78116, 0, 194959, 195024, 92193, 
+    8896, 0, 375, 6976, 66582, 119005, 983874, 127325, 983434, 119202, 
+    119203, 12526, 43120, 2315, 0, 1938, 119197, 128452, 4529, 119200, 
+    119201, 119198, 119199, 69692, 129124, 69698, 13150, 64492, 128974, 0, 
+    2291, 12902, 0, 42891, 66327, 70502, 917857, 10799, 69690, 2587, 66372, 
+    128628, 4193, 66823, 4241, 129195, 7998, 119840, 0, 983554, 126640, 2316, 
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+    3762, 10015, 120672, 119232, 125109, 41590, 0, 70098, 3780, 7485, 5779, 
+    0, 42037, 0, 3906, 12349, 74793, 8326, 0, 65498, 3763, 6983, 5618, 0, 
+    3779, 983194, 43613, 70132, 0, 0, 78335, 983892, 0, 280, 74558, 127332, 
+    67396, 13072, 1894, 0, 67735, 65478, 43310, 7231, 0, 11773, 0, 0, 11144, 
+    917778, 2551, 0, 6453, 10200, 6235, 983752, 119237, 71877, 128805, 4470, 
+    11826, 917557, 7780, 5369, 118958, 5249, 983066, 5367, 8756, 127143, 
+    119183, 5377, 120585, 68143, 1688, 78245, 5218, 69685, 983756, 0, 113794, 
+    44020, 6808, 41319, 1300, 10650, 41692, 64505, 2290, 71057, 119624, 1465, 
+    10850, 3943, 0, 41205, 41315, 118961, 119333, 67148, 5352, 113753, 0, 
+    8839, 41314, 7384, 7785, 41204, 127322, 41209, 69637, 92241, 43607, 
+    71254, 0, 5420, 3897, 10134, 0, 74417, 4018, 7150, 68127, 0, 0, 0, 0, 
+    127526, 2561, 68621, 3542, 7148, 12076, 7951, 68152, 118857, 5303, 6276, 
+    1706, 120750, 78751, 7146, 0, 65150, 41819, 0, 73951, 10847, 41822, 9985, 
+    860, 0, 10506, 983435, 69641, 10753, 10830, 119339, 615, 64490, 7574, 
+    74082, 77922, 0, 12909, 43016, 64559, 127028, 0, 127029, 67996, 2020, 
+    983350, 4022, 128783, 0, 77923, 126593, 41691, 0, 917818, 74329, 0, 
+    64622, 9070, 0, 68411, 3911, 42829, 43122, 1033, 74440, 0, 7000, 3904, 
+    983628, 73737, 125105, 118931, 119630, 13123, 10846, 3450, 127360, 7397, 
+    118807, 0, 42778, 10000, 41088, 449, 0, 3777, 68458, 113725, 9636, 0, 
+    10738, 69634, 9367, 593, 41085, 3999, 65226, 41713, 12764, 983723, 64409, 
+    3596, 0, 128090, 9763, 120280, 74609, 12347, 124, 12981, 41127, 2092, 
+    92687, 0, 127555, 0, 10820, 43987, 0, 128907, 1769, 41715, 2463, 71214, 
+    983947, 12770, 71222, 1538, 92617, 43124, 194614, 195058, 7795, 120300, 
+    129053, 4828, 1258, 127802, 2006, 0, 0, 9498, 127032, 127033, 120289, 
+    120288, 3939, 120290, 8846, 8943, 120287, 120286, 2650, 4491, 1961, 
+    42602, 11525, 120292, 1959, 120294, 55228, 11774, 41016, 983260, 68675, 
+    128054, 1511, 9324, 78211, 10519, 66331, 3454, 19930, 0, 41019, 127944, 
+    0, 65292, 6822, 12862, 0, 0, 42143, 41828, 78207, 65531, 70864, 118879, 
+    55223, 0, 128071, 41826, 8865, 6402, 113827, 13279, 7917, 74755, 917948, 
+    7733, 0, 4998, 68493, 92332, 41950, 0, 4268, 0, 0, 70061, 4013, 128718, 
+    10881, 0, 0, 0, 74788, 2014, 2432, 71901, 9765, 0, 0, 917854, 195059, 
+    78357, 65281, 127825, 10949, 0, 0, 119315, 2015, 0, 0, 71840, 66318, 
+    43233, 917992, 42517, 0, 0, 0, 12698, 8094, 10135, 65909, 6474, 794, 
+    43497, 12656, 66335, 119353, 128270, 1665, 71853, 4833, 983053, 71188, 
+    127367, 0, 189, 12611, 0, 0, 2859, 4838, 0, 4834, 65078, 0, 92991, 4837, 
+    67413, 770, 92671, 811, 70062, 41042, 92915, 41318, 64427, 73999, 67693, 
+    78848, 3895, 0, 74341, 3976, 128466, 42859, 10193, 3116, 7747, 78488, 0, 
+    43496, 0, 0, 43686, 78846, 41877, 0, 2871, 64614, 127010, 999, 0, 6345, 
     41876, 2663, 2017, 0, 0, 11040, 10150, 0, 64308, 1522, 597, 4775, 12555, 
     12571, 12550, 12583, 12560, 2019, 12556, 12584, 3092, 0, 12562, 4783, 
-    12566, 12569, 12554, 0, 10812, 78851, 0, 0, 3078, 1402, 0, 128275, 0, 0, 
-    119248, 394, 3088, 0, 92172, 0, 3991, 64391, 0, 128524, 424, 66328, 1999, 
-    69659, 73914, 0, 0, 0, 0, 42231, 8246, 0, 0, 0, 41840, 983609, 2377, 
-    1298, 64011, 12572, 11318, 12557, 12559, 12570, 7479, 1003, 2373, 9446, 
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-    3926, 92448, 65210, 8798, 0, 92165, 1392, 0, 0, 127364, 10606, 8065, 
-    118805, 10353, 10417, 0, 0, 64524, 92418, 4019, 0, 983288, 43280, 8219, 
-    68402, 1812, 119963, 983692, 0, 126488, 42410, 74448, 119132, 6054, 
-    10697, 3169, 42297, 42322, 10642, 3909, 9950, 0, 128139, 983261, 68678, 
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+    12566, 12569, 12554, 0, 10812, 78851, 0, 917563, 3078, 1402, 0, 128275, 
+    0, 125072, 119248, 394, 3088, 0, 92172, 0, 3991, 64391, 129072, 128524, 
+    424, 66328, 1999, 69659, 73914, 0, 0, 66903, 0, 42231, 2209, 125103, 0, 
+    0, 41840, 66913, 2377, 1298, 64011, 12572, 11318, 12557, 12559, 12570, 
+    7479, 1003, 2373, 9446, 7481, 9448, 48, 0, 9480, 481, 0, 9438, 9439, 
+    9440, 9441, 8465, 9443, 9444, 9445, 9430, 9431, 9432, 9433, 9434, 9435, 
+    3984, 9437, 0, 92934, 9424, 9425, 9426, 9427, 9428, 9429, 64758, 2362, 
+    9655, 983709, 2004, 9096, 9782, 70842, 9172, 128545, 19965, 0, 5955, 
+    67666, 1108, 0, 74773, 0, 128909, 64782, 3926, 92448, 65210, 8798, 0, 
+    92165, 1392, 0, 983214, 127364, 10606, 8065, 118805, 10353, 10417, 0, 
+    128739, 64524, 92418, 4019, 0, 125082, 43280, 8219, 68402, 1812, 119963, 
+    983692, 129144, 126488, 42410, 74448, 119132, 6054, 10697, 3169, 42297, 
+    42322, 10642, 3909, 9950, 128848, 128139, 983261, 68678, 92917, 983790, 
+    1049, 43517, 65707, 2304, 41806, 92326, 42336, 3921, 0, 11775, 64760, 
     11766, 1038, 42303, 9823, 127278, 69236, 4008, 64004, 8773, 10733, 36, 0, 
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-    182, 194718, 92716, 92598, 119950, 42613, 9058, 366, 0, 9892, 5969, 
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-    41026, 68109, 13293, 41192, 69635, 0, 42251, 0, 42534, 65179, 11287, 
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-    92423, 119955, 0, 9817, 0, 120140, 0, 12117, 66586, 4183, 10540, 66250, 
-    9063, 127045, 0, 119954, 0, 12897, 3792, 2011, 0, 6065, 43160, 0, 194715, 
-    8692, 41186, 41816, 41023, 41818, 41187, 11659, 7922, 12614, 2005, 8523, 
-    78002, 0, 7513, 1863, 4710, 0, 5956, 7621, 78006, 92624, 4705, 716, 
-    78004, 0, 4704, 120040, 120270, 42241, 161, 43977, 74546, 66214, 4706, 0, 
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-    92467, 10187, 1700, 119223, 0, 0, 128119, 4004, 0, 10968, 43296, 983642, 
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-    13238, 11922, 0, 120330, 3510, 13234, 0, 120407, 5605, 42095, 11364, 0, 
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+    5153, 41805, 0, 73735, 763, 41808, 64910, 983130, 2009, 0, 127985, 74245, 
+    9640, 119951, 0, 69895, 8621, 120523, 12852, 3031, 983050, 64361, 129088, 
+    182, 66414, 92716, 92598, 119950, 42613, 9058, 366, 0, 9892, 5969, 11754, 
+    10848, 4570, 65301, 44013, 4255, 127889, 10102, 41189, 4003, 41026, 
+    68109, 13293, 41192, 69635, 124977, 42251, 0, 42534, 65179, 11287, 6128, 
+    113811, 11034, 10923, 64423, 0, 65506, 0, 65861, 74083, 66872, 9932, 
+    43516, 92423, 119955, 119948, 9817, 0, 71234, 0, 12117, 66586, 4183, 
+    10540, 66250, 9063, 127045, 0, 119954, 113685, 12897, 3792, 2011, 0, 
+    6065, 43160, 128379, 194715, 8692, 41186, 41816, 41023, 41818, 41187, 
+    11659, 7922, 12614, 2005, 8523, 78002, 120035, 7513, 1863, 4710, 0, 5956, 
+    7621, 78006, 92624, 4705, 716, 78004, 0, 4704, 120040, 93024, 42241, 161, 
+    43977, 74546, 66214, 4706, 74077, 69914, 42672, 4709, 10680, 119065, 
+    43293, 119944, 983190, 119164, 120328, 92350, 10187, 1700, 119223, 0, 0, 
+    127202, 4004, 0, 10968, 43296, 983642, 8506, 113744, 194812, 126996, 
+    1005, 937, 78216, 4734, 2870, 0, 78218, 983109, 7463, 4729, 0, 235, 1384, 
+    4728, 0, 70494, 92490, 74449, 8109, 43105, 128623, 4730, 447, 13186, 
+    1513, 4733, 120415, 92548, 0, 42527, 12911, 43427, 1383, 8565, 2469, 
+    120024, 6690, 6156, 68117, 43439, 7993, 4288, 120416, 2674, 13238, 11922, 
+    0, 120330, 3510, 13234, 983832, 120407, 5605, 42095, 11364, 92286, 1380, 
+    65617, 11162, 120261, 13196, 13197, 120309, 67708, 9495, 119346, 127154, 
+    5959, 67984, 73976, 66275, 43371, 6941, 119349, 13205, 13211, 5801, 
     12769, 65905, 41697, 1283, 120302, 4779, 0, 3719, 4006, 983569, 19957, 
-    128773, 2021, 119332, 120699, 119150, 43028, 65493, 41838, 3875, 5962, 
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-    120636, 64531, 120692, 194626, 0, 0, 66316, 65467, 5771, 41298, 983794, 
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-    0, 119018, 10599, 11586, 3989, 10971, 43748, 65782, 9841, 8843, 12145, 
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-    65855, 65112, 1796, 120505, 0, 69665, 8164, 41301, 3502, 0, 7388, 10621, 
-    73838, 78553, 5825, 13007, 68165, 0, 120457, 12661, 7608, 10354, 10418, 
-    42411, 2022, 0, 1409, 12195, 4001, 3112, 10824, 120639, 1390, 0, 0, 421, 
-    43536, 5846, 120120, 4130, 127775, 7595, 42588, 7600, 120121, 66035, 
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-    2846, 92605, 0, 0, 120132, 0, 1836, 0, 0, 92558, 3740, 69843, 6290, 
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-    120446, 0, 0, 8127, 8975, 64739, 7943, 983743, 0, 10618, 2584, 0, 0, 0, 
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-    0, 126588, 12586, 0, 9242, 127922, 0, 4523, 5842, 10495, 3122, 983797, 
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-    44025, 0, 8912, 64555, 7409, 0, 983358, 9541, 78276, 0, 11275, 8540, 
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-    68427, 10450, 12551, 41043, 7020, 120353, 3765, 983350, 0, 1606, 120348, 
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-    120336, 11923, 4023, 120333, 5763, 94015, 4827, 10894, 12810, 64406, 
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-    65358, 0, 4359, 585, 2383, 3509, 70037, 486, 4290, 5758, 127546, 0, 0, 
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-    0, 5197, 127046, 127047, 127048, 2366, 127050, 127051, 120554, 120045, 0, 
-    0, 0, 983084, 0, 0, 0, 74188, 71342, 983086, 983573, 120047, 128575, 0, 
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-    43032, 0, 42365, 0, 12671, 11384, 0, 983465, 0, 64797, 983345, 5820, 
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-    120063, 0, 7377, 127867, 41799, 65530, 1711, 12984, 43039, 3114, 6255, 
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-    0, 43037, 41798, 41035, 11583, 127769, 41801, 119088, 119605, 520, 4200, 
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-    0, 73867, 12973, 0, 74757, 127514, 41658, 0, 0, 5760, 0, 743, 4414, 
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-    0, 1099, 10490, 0, 10501, 65181, 74463, 0, 464, 41624, 65283, 67663, 
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-    19911, 4218, 3087, 64960, 127234, 43564, 0, 0, 9584, 10465, 983902, 
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-    41795, 64666, 126508, 43530, 2752, 0, 0, 983493, 59, 0, 983593, 0, 92371, 
-    77873, 41810, 0, 7010, 0, 41809, 41495, 119364, 0, 42252, 42213, 8009, 
-    3305, 43033, 511, 92700, 66255, 13127, 120067, 0, 74397, 120235, 917977, 
-    65915, 1400, 41812, 10685, 194870, 2103, 10387, 4453, 43276, 917783, 
-    13159, 0, 6481, 41213, 0, 0, 0, 0, 41983, 74198, 6617, 9116, 119654, 0, 
-    462, 68110, 10493, 0, 8129, 0, 0, 74471, 6644, 11658, 0, 128245, 3452, 
-    11906, 9581, 1385, 3098, 0, 119013, 43340, 0, 41033, 6493, 42626, 0, 0, 
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+    194690, 127537, 3604, 120683, 119188, 128877, 78540, 78541, 42507, 1962, 
+    43305, 78476, 42505, 11660, 0, 2072, 92312, 6995, 74173, 5437, 74174, 
+    10669, 8702, 7964, 92352, 983776, 199, 194843, 4105, 194845, 194699, 
+    194847, 194710, 119875, 13148, 7560, 78479, 9226, 78478, 195070, 6472, 
+    65814, 71919, 0, 4724, 128491, 195041, 9191, 0, 64432, 983817, 113680, 
+    119190, 10196, 7886, 0, 6585, 0, 6680, 195042, 0, 71872, 6679, 74412, 
+    92251, 194866, 74421, 11382, 128254, 43862, 78591, 113733, 194833, 
     194832, 6681, 127482, 12693, 194836, 42727, 78196, 128252, 78195, 65442, 
-    119610, 69733, 9989, 43248, 66248, 194816, 0, 11321, 128845, 194820, 
-    194819, 5297, 7042, 13284, 6112, 7968, 194825, 73927, 92444, 194736, 
-    65746, 127476, 69889, 74389, 128696, 4342, 42839, 194831, 1677, 0, 0, 
+    119610, 69733, 9989, 43248, 66248, 194816, 0, 11321, 128845, 120809, 
+    194819, 5297, 7042, 13284, 6112, 7968, 93010, 73927, 92444, 127336, 
+    65746, 118796, 69889, 74389, 128696, 4342, 42839, 128979, 1677, 0, 0, 
     126590, 917855, 11091, 11011, 2719, 0, 0, 119595, 10160, 0, 0, 7585, 
-    65169, 2052, 4308, 92174, 43000, 7505, 543, 64916, 64736, 0, 0, 64655, 0, 
-    118922, 2064, 0, 43158, 7902, 0, 65265, 194639, 0, 127170, 0, 983625, 0, 
-    0, 12994, 92728, 10828, 983943, 6228, 4307, 3482, 128527, 0, 0, 0, 506, 
-    74573, 41194, 65735, 2055, 43255, 41195, 0, 8169, 983680, 8841, 0, 516, 
-    93974, 2063, 119051, 34, 128850, 120186, 11504, 1612, 74333, 120182, 
-    11827, 74308, 12001, 120178, 10242, 64564, 120179, 67986, 6584, 7749, 
-    11037, 0, 1758, 127092, 10667, 10560, 120197, 92593, 1935, 11517, 120193, 
-    120196, 120195, 1931, 120189, 74839, 120191, 1217, 64702, 12643, 825, 
-    127838, 194905, 12294, 92428, 78834, 9138, 78831, 78833, 12631, 78829, 
-    11080, 74554, 64000, 5591, 1239, 0, 11313, 0, 3403, 0, 0, 64364, 92269, 
-    0, 74582, 8998, 12988, 0, 9152, 983849, 0, 126484, 67589, 41850, 64290, 
-    3433, 92393, 12615, 1594, 42192, 6914, 67603, 0, 119569, 74565, 41353, 
-    67602, 67611, 4337, 0, 127296, 918, 65035, 41351, 7681, 194900, 42577, 
-    41393, 12668, 194904, 2477, 127285, 0, 127301, 0, 67604, 194880, 127235, 
-    573, 127282, 194884, 11417, 194886, 119814, 194888, 67599, 0, 194889, 
-    67607, 11482, 0, 3981, 3357, 0, 42223, 4207, 1288, 78842, 78839, 68419, 
-    78837, 11589, 42195, 194872, 194599, 127263, 64602, 67618, 92539, 0, 
-    42788, 68416, 64480, 194875, 8423, 3348, 448, 68476, 9717, 0, 0, 997, 0, 
-    0, 92577, 0, 11440, 11379, 42000, 13139, 42221, 65013, 126999, 127760, 
-    73796, 0, 119228, 12035, 0, 2818, 0, 74411, 73793, 0, 4172, 0, 0, 8373, 
-    10873, 12197, 0, 0, 92265, 69706, 0, 78210, 0, 128110, 194865, 126982, 
-    74563, 64828, 11419, 194868, 766, 1257, 0, 118845, 11381, 3265, 66617, 
-    3274, 127365, 126523, 94042, 983950, 74522, 41989, 0, 0, 128798, 3263, 0, 
-    65672, 0, 3270, 64539, 11489, 0, 0, 0, 0, 9505, 65518, 194776, 756, 
-    194605, 0, 0, 0, 7261, 0, 186, 0, 119156, 5770, 13179, 65830, 12612, 
-    12949, 64856, 12800, 983901, 74203, 64718, 11507, 0, 92434, 118929, 0, 
-    11578, 0, 119296, 0, 0, 0, 0, 74568, 9254, 0, 1794, 120217, 64521, 5624, 
-    120220, 120221, 119958, 120223, 3617, 66636, 64886, 94061, 120212, 
-    120213, 120214, 1872, 66508, 120467, 41079, 10748, 5502, 119330, 4452, 0, 
-    983771, 92526, 4511, 0, 983877, 64678, 11425, 0, 43245, 1231, 194783, 
-    69903, 0, 9003, 8192, 0, 5305, 9653, 10616, 8694, 9546, 0, 0, 120478, 
-    120200, 65205, 120202, 64063, 9878, 74780, 119626, 78202, 64058, 8799, 
-    42131, 0, 64062, 1028, 64060, 64059, 837, 10567, 0, 43103, 0, 120754, 
-    11427, 2902, 64043, 64042, 43749, 10756, 64047, 42606, 64045, 64044, 
-    43979, 10076, 64040, 43060, 194942, 1034, 3392, 127771, 43091, 64033, 
-    64032, 42735, 64038, 64037, 64036, 64035, 4291, 194928, 64015, 64014, 
-    64681, 194930, 0, 78145, 0, 43090, 0, 3476, 8973, 64012, 42473, 64010, 
-    64008, 64007, 2003, 7706, 64517, 78153, 2538, 64009, 204, 0, 4802, 4111, 
-    8239, 9098, 4805, 64001, 64057, 7885, 7247, 64054, 983266, 0, 4767, 9343, 
-    64049, 64048, 120034, 1133, 64053, 64052, 43453, 64050, 41340, 118975, 
-    194835, 10005, 12329, 41333, 0, 8489, 1942, 0, 194834, 42520, 128249, 0, 
-    0, 10760, 64023, 64022, 64021, 6582, 43670, 0, 64025, 9167, 42151, 78244, 
-    983232, 2026, 64019, 64018, 64017, 64016, 12768, 0, 7582, 78252, 78248, 
-    77914, 78246, 78247, 0, 77915, 78766, 6788, 13094, 77920, 7532, 41414, 
-    78520, 3179, 78518, 64769, 78514, 78517, 11461, 74454, 10751, 9051, 
-    120720, 6708, 10535, 983627, 68218, 55274, 2008, 64031, 64030, 294, 
-    41874, 0, 126991, 65929, 0, 0, 0, 0, 64028, 8146, 64026, 41788, 194844, 
-    0, 4351, 6343, 43247, 119888, 0, 119886, 119891, 119892, 119889, 11433, 
-    119895, 119896, 0, 7801, 65578, 194839, 12915, 43968, 3297, 9699, 194955, 
-    1135, 0, 0, 128525, 1995, 6722, 983925, 0, 2552, 41546, 60, 68394, 8649, 
-    41549, 78496, 983327, 0, 6682, 0, 78679, 64710, 41547, 983630, 2013, 
-    128291, 78530, 78532, 78528, 78529, 12832, 78493, 8081, 8362, 3537, 
-    119908, 9137, 7155, 8999, 0, 78533, 3466, 0, 0, 1996, 0, 3453, 6282, 0, 
-    2002, 2000, 120175, 537, 0, 4179, 65119, 1998, 0, 1842, 0, 92674, 9628, 
-    68446, 12081, 9826, 64502, 1767, 0, 0, 0, 120201, 983646, 0, 0, 3059, 
-    44024, 120204, 119953, 92693, 0, 0, 92452, 4100, 920, 1811, 1355, 0, 0, 
-    3592, 10078, 0, 0, 0, 8592, 65870, 68164, 128792, 10742, 0, 42918, 1994, 
-    9281, 3296, 12865, 1997, 1895, 
+    65169, 2052, 4308, 92174, 43000, 7505, 543, 64916, 64736, 118835, 0, 
+    64655, 0, 118922, 2064, 0, 43158, 7902, 0, 65265, 194639, 0, 127170, 0, 
+    983625, 92550, 0, 12994, 92728, 10828, 74378, 6228, 4307, 3482, 128527, 
+    0, 72389, 0, 506, 74573, 41194, 65735, 2055, 43255, 41195, 0, 8169, 
+    983680, 8841, 0, 516, 93974, 2063, 119051, 34, 128850, 120186, 11504, 
+    1612, 74333, 120182, 11827, 67165, 12001, 120178, 10242, 64564, 120179, 
+    67986, 6584, 7749, 11037, 128743, 1758, 119074, 10667, 10560, 120197, 
+    92593, 1935, 11517, 120193, 120196, 120195, 1931, 120189, 74839, 120191, 
+    1217, 64702, 12643, 825, 127838, 194905, 12294, 92428, 78834, 9138, 
+    78831, 78833, 12631, 71871, 11080, 74554, 64000, 5591, 1239, 127199, 
+    11313, 194803, 3403, 0, 120271, 64364, 92269, 127904, 72431, 8998, 12988, 
+    119983, 9152, 983849, 0, 126484, 67589, 41850, 64290, 3433, 92393, 12615, 
+    1594, 42192, 6914, 66392, 0, 119569, 74565, 41353, 67602, 67611, 4337, 0, 
+    127296, 918, 65035, 41351, 7681, 194900, 42577, 41393, 12668, 72395, 
+    2477, 127285, 0, 127301, 0, 67604, 67683, 127235, 573, 127282, 120543, 
+    11417, 194886, 119814, 119309, 67599, 0, 72410, 67607, 11482, 0, 3981, 
+    3357, 0, 42223, 4207, 1288, 78503, 78839, 67728, 78837, 11589, 42195, 
+    74477, 119997, 127263, 64602, 67618, 92539, 0, 42788, 68416, 64480, 
+    194875, 8423, 3348, 448, 66907, 9717, 119311, 0, 997, 0, 0, 92577, 0, 
+    11440, 11379, 42000, 13139, 42221, 65013, 126999, 127760, 72390, 0, 
+    119228, 12035, 0, 2818, 0, 74411, 73793, 0, 4172, 71252, 119992, 8373, 
+    10873, 12197, 125074, 195014, 92265, 69706, 128540, 6834, 127251, 128110, 
+    194865, 126982, 74563, 64828, 11419, 194868, 766, 1257, 194598, 118845, 
+    11381, 3265, 66617, 3274, 126629, 126523, 94042, 983950, 74522, 41989, 0, 
+    0, 113769, 3263, 0, 65672, 69243, 3270, 64539, 11489, 0, 0, 0, 0, 9505, 
+    65518, 128498, 756, 194605, 0, 0, 0, 7261, 92547, 186, 0, 119156, 5770, 
+    13179, 65830, 12612, 12949, 64856, 12800, 983901, 74203, 64718, 11507, 0, 
+    92434, 74626, 0, 11578, 0, 119296, 0, 0, 125101, 0, 70083, 9254, 66877, 
+    1794, 68310, 64521, 5624, 120220, 120221, 119958, 120223, 3617, 66636, 
+    64886, 94061, 68659, 120213, 120214, 1872, 66508, 120467, 41079, 10748, 
+    5502, 119330, 4452, 128088, 983771, 92526, 4511, 0, 983877, 64678, 11425, 
+    0, 43245, 1231, 92390, 69903, 0, 9003, 8192, 0, 5305, 9653, 10616, 8694, 
+    9546, 0, 0, 70421, 120200, 65205, 120202, 64063, 9878, 74780, 119626, 
+    78202, 64058, 8799, 42131, 128662, 64062, 1028, 64060, 64059, 837, 10567, 
+    72384, 43103, 0, 120754, 11427, 2902, 64043, 64042, 43749, 10756, 64047, 
+    42606, 64045, 64044, 43979, 10076, 64040, 43060, 194942, 1034, 3392, 
+    127771, 43091, 64033, 64032, 42735, 43498, 64037, 64036, 64035, 4291, 
+    129157, 64015, 64014, 64681, 194930, 127142, 78145, 71898, 43090, 0, 
+    3476, 8973, 64012, 42473, 64010, 64008, 64007, 2003, 7706, 64517, 78153, 
+    2538, 64009, 204, 0, 4802, 4111, 8239, 9098, 4805, 64001, 64057, 7885, 
+    7247, 64054, 983266, 0, 4767, 9343, 64049, 64048, 120034, 1133, 64053, 
+    64052, 43453, 64050, 41340, 118975, 194835, 10005, 12329, 41333, 0, 8489, 
+    1942, 0, 194834, 42520, 65510, 125044, 68291, 10760, 64023, 64022, 64021, 
+    6582, 43670, 127798, 64025, 9167, 42151, 78244, 983232, 2026, 64019, 
+    64018, 64017, 64016, 12768, 0, 7582, 78252, 78248, 77914, 78246, 78247, 
+    0, 77915, 78766, 6788, 13094, 77920, 7532, 41414, 78520, 3179, 78518, 
+    64769, 78514, 78517, 11461, 74454, 10751, 9051, 120720, 6708, 10535, 
+    983627, 68218, 55274, 2008, 64031, 64030, 294, 41874, 0, 64790, 65929, 0, 
+    129063, 0, 0, 64028, 8146, 64026, 41788, 194844, 0, 4351, 6343, 43247, 
+    119888, 70153, 119886, 119891, 72387, 119889, 11433, 119895, 119896, 0, 
+    7801, 65578, 194839, 12915, 43968, 3297, 9699, 127957, 1135, 0, 128807, 
+    128525, 1995, 6722, 983925, 0, 2552, 41546, 60, 68394, 8649, 41549, 
+    78496, 72386, 0, 6682, 983917, 78679, 43833, 41547, 983630, 2013, 128291, 
+    78530, 78532, 78528, 78529, 12832, 78493, 8081, 8362, 3537, 119908, 9137, 
+    7155, 8999, 0, 78533, 3466, 0, 0, 1996, 0, 3453, 6282, 0, 2002, 2000, 
+    120175, 537, 92976, 4179, 65119, 1998, 120746, 1842, 0, 92674, 9628, 
+    68446, 12081, 9826, 64502, 1767, 0, 0, 120001, 120201, 983646, 124975, 
+    127991, 3059, 44024, 120204, 43491, 92693, 0, 0, 92452, 4100, 920, 1811, 
+    1355, 43189, 0, 3592, 10078, 0, 78162, 119558, 8592, 65870, 66417, 74504, 
+    10742, 72400, 42918, 1994, 9281, 3296, 12865, 1997, 1895, 
 };
 
 #define code_magic 47
diff --git a/Modules/winreparse.h b/Modules/winreparse.h
new file mode 100644
index 0000000..66f7775
--- /dev/null
+++ b/Modules/winreparse.h
@@ -0,0 +1,53 @@
+#ifndef Py_WINREPARSE_H
+#define Py_WINREPARSE_H
+
+#ifdef MS_WINDOWS
+#include <Windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The following structure was copied from
+   http://msdn.microsoft.com/en-us/library/ff552012.aspx as the required
+   include doesn't seem to be present in the Windows SDK (at least as included
+   with Visual Studio Express). */
+typedef struct _REPARSE_DATA_BUFFER {
+    ULONG ReparseTag;
+    USHORT ReparseDataLength;
+    USHORT Reserved;
+    union {
+        struct {
+            USHORT SubstituteNameOffset;
+            USHORT SubstituteNameLength;
+            USHORT PrintNameOffset;
+            USHORT PrintNameLength;
+            ULONG Flags;
+            WCHAR PathBuffer[1];
+        } SymbolicLinkReparseBuffer;
+
+        struct {
+            USHORT SubstituteNameOffset;
+            USHORT  SubstituteNameLength;
+            USHORT  PrintNameOffset;
+            USHORT  PrintNameLength;
+            WCHAR  PathBuffer[1];
+        } MountPointReparseBuffer;
+
+        struct {
+            UCHAR  DataBuffer[1];
+        } GenericReparseBuffer;
+    };
+} REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER;
+
+#define REPARSE_DATA_BUFFER_HEADER_SIZE  FIELD_OFFSET(REPARSE_DATA_BUFFER,\
+                                                      GenericReparseBuffer)
+#define MAXIMUM_REPARSE_DATA_BUFFER_SIZE  ( 16 * 1024 )
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MS_WINDOWS */
+
+#endif /* !Py_WINREPARSE_H */
diff --git a/Modules/xxlimited.c b/Modules/xxlimited.c
index eecdab9..7bfcb91 100644
--- a/Modules/xxlimited.c
+++ b/Modules/xxlimited.c
@@ -169,7 +169,7 @@ xx_roj(PyObject *self, PyObject *args)
 
 /* ---------- */
 
-static PyType_Slot Str_Type_slots[] = {    
+static PyType_Slot Str_Type_slots[] = {
     {Py_tp_base, NULL}, /* filled out in module init function */
     {0, 0},
 };
diff --git a/Modules/zipimport.c b/Modules/zipimport.c
index f2cc245..06abb31 100644
--- a/Modules/zipimport.c
+++ b/Modules/zipimport.c
@@ -20,15 +20,13 @@ _Py_IDENTIFIER(replace);
 
 /* zip_searchorder defines how we search for a module in the Zip
    archive: we first search for a package __init__, then for
-   non-package .pyc, .pyo and .py entries. The .pyc and .pyo entries
+   non-package .pyc, and .py entries. The .pyc entries
    are swapped by initzipimport() if we run in optimized mode. Also,
    '/' is replaced by SEP there. */
 static struct st_zip_searchorder zip_searchorder[] = {
     {"/__init__.pyc", IS_PACKAGE | IS_BYTECODE},
-    {"/__init__.pyo", IS_PACKAGE | IS_BYTECODE},
     {"/__init__.py", IS_PACKAGE | IS_SOURCE},
     {".pyc", IS_BYTECODE},
-    {".pyo", IS_BYTECODE},
     {".py", IS_SOURCE},
     {"", 0}
 };
@@ -875,8 +873,12 @@ read_directory(PyObject *archive)
 
     fp = _Py_fopen_obj(archive, "rb");
     if (fp == NULL) {
-        if (!PyErr_Occurred())
+        if (PyErr_ExceptionMatches(PyExc_OSError)) {
+            PyObject *exc, *val, *tb;
+            PyErr_Fetch(&exc, &val, &tb);
             PyErr_Format(ZipImportError, "can't open Zip file: %R", archive);
+            _PyErr_ChainExceptions(exc, val, tb);
+        }
         return NULL;
     }
 
@@ -939,6 +941,9 @@ read_directory(PyObject *archive)
         header_size = name_size +
            PyMarshal_ReadShortFromFile(fp) +
            PyMarshal_ReadShortFromFile(fp);
+        if (PyErr_Occurred())
+            goto error;
+
         if (fread(dummy, 1, 8, fp) != 8) /* Skip unused fields, avoid fseek */
             goto file_error;
         file_offset = PyMarshal_ReadLongFromFile(fp) + arc_offset;
@@ -1073,12 +1078,8 @@ get_data(PyObject *archive, PyObject *toc_entry)
     }
 
     fp = _Py_fopen_obj(archive, "rb");
-    if (!fp) {
-        if (!PyErr_Occurred())
-            PyErr_Format(PyExc_IOError,
-               "zipimport: can not open file %U", archive);
+    if (!fp)
         return NULL;
-    }
 
     /* Check to make sure the local file header is correct */
     if (fseek(fp, file_offset, 0) == -1) {
@@ -1315,7 +1316,7 @@ parse_dostime(int dostime, int dosdate)
     return mktime(&stm);
 }
 
-/* Given a path to a .pyc or .pyo file in the archive, return the
+/* Given a path to a .pyc file in the archive, return the
    modification time of the matching .py file, or 0 if no source
    is available. */
 static time_t
@@ -1478,17 +1479,6 @@ PyInit_zipimport(void)
     /* Correct directory separator */
     zip_searchorder[0].suffix[0] = SEP;
     zip_searchorder[1].suffix[0] = SEP;
-    zip_searchorder[2].suffix[0] = SEP;
-    if (Py_OptimizeFlag) {
-        /* Reverse *.pyc and *.pyo */
-        struct st_zip_searchorder tmp;
-        tmp = zip_searchorder[0];
-        zip_searchorder[0] = zip_searchorder[1];
-        zip_searchorder[1] = tmp;
-        tmp = zip_searchorder[3];
-        zip_searchorder[3] = zip_searchorder[4];
-        zip_searchorder[4] = tmp;
-    }
 
     mod = PyModule_Create(&zipimportmodule);
     if (mod == NULL)
diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c
index 0d2e188..1997b40 100644
--- a/Modules/zlibmodule.c
+++ b/Modules/zlibmodule.c
@@ -82,12 +82,11 @@ zlib_error(z_stream zst, int err, char *msg)
 }
 
 /*[clinic input]
-output preset file
 module zlib
 class zlib.Compress "compobject *" "&Comptype"
 class zlib.Decompress "compobject *" "&Decomptype"
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=bfd4c340573ba91d]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=093935115c3e3158]*/
 
 static compobject *
 newcompobject(PyTypeObject *type)
@@ -281,8 +280,9 @@ Returns a bytes object containing the uncompressed data.
 [clinic start generated code]*/
 
 static PyObject *
-zlib_decompress_impl(PyModuleDef *module, Py_buffer *data, int wbits, unsigned int bufsize)
-/*[clinic end generated code: output=9e5464e72df9cb5f input=0f4b9abb7103f50e]*/
+zlib_decompress_impl(PyModuleDef *module, Py_buffer *data, int wbits,
+                     unsigned int bufsize)
+/*[clinic end generated code: output=444d0987f3429574 input=0f4b9abb7103f50e]*/
 {
     PyObject *result_str = NULL;
     Byte *input;
@@ -411,8 +411,9 @@ Return a compressor object.
 [clinic start generated code]*/
 
 static PyObject *
-zlib_compressobj_impl(PyModuleDef *module, int level, int method, int wbits, int memLevel, int strategy, Py_buffer *zdict)
-/*[clinic end generated code: output=89e5a6c1449caa9e input=b034847f8821f6af]*/
+zlib_compressobj_impl(PyModuleDef *module, int level, int method, int wbits,
+                      int memLevel, int strategy, Py_buffer *zdict)
+/*[clinic end generated code: output=2949bbb9a5723ccd input=b034847f8821f6af]*/
 {
     compobject *self = NULL;
     int err;
@@ -704,8 +705,9 @@ Call the flush() method to clear these buffers.
 [clinic start generated code]*/
 
 static PyObject *
-zlib_Decompress_decompress_impl(compobject *self, Py_buffer *data, unsigned int max_length)
-/*[clinic end generated code: output=755cccc9087bfe55 input=02cfc047377cec86]*/
+zlib_Decompress_decompress_impl(compobject *self, Py_buffer *data,
+                                unsigned int max_length)
+/*[clinic end generated code: output=b82e2a2c19f5fe7b input=02cfc047377cec86]*/
 {
     int err;
     unsigned int old_length, length = DEF_BUF_SIZE;
diff --git a/Objects/README b/Objects/README
new file mode 100644
index 0000000..854b103
--- /dev/null
+++ b/Objects/README
@@ -0,0 +1 @@
+Source files for various builtin objects
diff --git a/Objects/abstract.c b/Objects/abstract.c
index 7e3121a..dc8fb37 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -305,7 +305,7 @@ int PyObject_AsWriteBuffer(PyObject *obj,
         pb->bf_getbuffer == NULL ||
         ((*pb->bf_getbuffer)(obj, &view, PyBUF_WRITABLE) != 0)) {
         PyErr_SetString(PyExc_TypeError,
-                        "expected an object with a writable buffer interface");
+                        "expected a writable bytes-like object");
         return -1;
     }
 
@@ -324,7 +324,7 @@ PyObject_GetBuffer(PyObject *obj, Py_buffer *view, int flags)
 
     if (pb == NULL || pb->bf_getbuffer == NULL) {
         PyErr_Format(PyExc_TypeError,
-                     "'%.100s' does not support the buffer interface",
+                     "a bytes-like object is required, not '%.100s'",
                      Py_TYPE(obj)->tp_name);
         return -1;
     }
@@ -337,16 +337,35 @@ _IsFortranContiguous(const Py_buffer *view)
     Py_ssize_t sd, dim;
     int i;
 
-    if (view->ndim == 0) return 1;
-    if (view->strides == NULL) return (view->ndim == 1);
+    /* 1) len = product(shape) * itemsize
+       2) itemsize > 0
+       3) len = 0 <==> exists i: shape[i] = 0 */
+    if (view->len == 0) return 1;
+    if (view->strides == NULL) {  /* C-contiguous by definition */
+        /* Trivially F-contiguous */
+        if (view->ndim <= 1) return 1;
+
+        /* ndim > 1 implies shape != NULL */
+        assert(view->shape != NULL);
+
+        /* Effectively 1-d */
+        sd = 0;
+        for (i=0; i<view->ndim; i++) {
+            if (view->shape[i] > 1) sd += 1;
+        }
+        return sd <= 1;
+    }
+
+    /* strides != NULL implies both of these */
+    assert(view->ndim > 0);
+    assert(view->shape != NULL);
 
     sd = view->itemsize;
-    if (view->ndim == 1) return (view->shape[0] == 1 ||
-                               sd == view->strides[0]);
     for (i=0; i<view->ndim; i++) {
         dim = view->shape[i];
-        if (dim == 0) return 1;
-        if (view->strides[i] != sd) return 0;
+        if (dim > 1 && view->strides[i] != sd) {
+            return 0;
+        }
         sd *= dim;
     }
     return 1;
@@ -358,16 +377,22 @@ _IsCContiguous(const Py_buffer *view)
     Py_ssize_t sd, dim;
     int i;
 
-    if (view->ndim == 0) return 1;
-    if (view->strides == NULL) return 1;
+    /* 1) len = product(shape) * itemsize
+       2) itemsize > 0
+       3) len = 0 <==> exists i: shape[i] = 0 */
+    if (view->len == 0) return 1;
+    if (view->strides == NULL) return 1; /* C-contiguous by definition */
+
+    /* strides != NULL implies both of these */
+    assert(view->ndim > 0);
+    assert(view->shape != NULL);
 
     sd = view->itemsize;
-    if (view->ndim == 1) return (view->shape[0] == 1 ||
-                               sd == view->strides[0]);
     for (i=view->ndim-1; i>=0; i--) {
         dim = view->shape[i];
-        if (dim == 0) return 1;
-        if (view->strides[i] != sd) return 0;
+        if (dim > 1 && view->strides[i] != sd) {
+            return 0;
+        }
         sd *= dim;
     }
     return 1;
@@ -499,8 +524,8 @@ int PyObject_CopyData(PyObject *dest, PyObject *src)
     if (!PyObject_CheckBuffer(dest) ||
         !PyObject_CheckBuffer(src)) {
         PyErr_SetString(PyExc_TypeError,
-                        "both destination and source must have the "\
-                        "buffer interface");
+                        "both destination and source must be "\
+                        "bytes-like objects");
         return -1;
     }
 
@@ -587,7 +612,12 @@ int
 PyBuffer_FillInfo(Py_buffer *view, PyObject *obj, void *buf, Py_ssize_t len,
                   int readonly, int flags)
 {
-    if (view == NULL) return 0; /* XXX why not -1? */
+    if (view == NULL) {
+        PyErr_SetString(PyExc_BufferError,
+            "PyBuffer_FillInfo: view==NULL argument is obsolete");
+        return -1;
+    }
+
     if (((flags & PyBUF_WRITABLE) == PyBUF_WRITABLE) &&
         (readonly == 1)) {
         PyErr_SetString(PyExc_BufferError,
@@ -660,8 +690,9 @@ PyObject_Format(PyObject *obj, PyObject *format_spec)
     Py_DECREF(meth);
 
     if (result && !PyUnicode_Check(result)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__format__ method did not return string");
+        PyErr_Format(PyExc_TypeError,
+             "__format__ must return a str, not %.200s",
+             Py_TYPE(result)->tp_name);
         Py_DECREF(result);
         result = NULL;
         goto done;
@@ -905,6 +936,12 @@ PyNumber_Multiply(PyObject *v, PyObject *w)
 }
 
 PyObject *
+PyNumber_MatrixMultiply(PyObject *v, PyObject *w)
+{
+    return binary_op(v, w, NB_SLOT(nb_matrix_multiply), "@");
+}
+
+PyObject *
 PyNumber_FloorDivide(PyObject *v, PyObject *w)
 {
     return binary_op(v, w, NB_SLOT(nb_floor_divide), "//");
@@ -985,6 +1022,7 @@ INPLACE_BINOP(PyNumber_InPlaceAnd, nb_inplace_and, nb_and, "&=")
 INPLACE_BINOP(PyNumber_InPlaceLshift, nb_inplace_lshift, nb_lshift, "<<=")
 INPLACE_BINOP(PyNumber_InPlaceRshift, nb_inplace_rshift, nb_rshift, ">>=")
 INPLACE_BINOP(PyNumber_InPlaceSubtract, nb_inplace_subtract, nb_subtract, "-=")
+INPLACE_BINOP(PyNumber_InMatrixMultiply, nb_inplace_matrix_multiply, nb_matrix_multiply, "@=")
 
 PyObject *
 PyNumber_InPlaceFloorDivide(PyObject *v, PyObject *w)
@@ -1051,6 +1089,13 @@ PyNumber_InPlaceMultiply(PyObject *v, PyObject *w)
 }
 
 PyObject *
+PyNumber_InPlaceMatrixMultiply(PyObject *v, PyObject *w)
+{
+    return binary_iop(v, w, NB_SLOT(nb_inplace_matrix_multiply),
+                      NB_SLOT(nb_matrix_multiply), "@=");
+}
+
+PyObject *
 PyNumber_InPlaceRemainder(PyObject *v, PyObject *w)
 {
     return binary_iop(v, w, NB_SLOT(nb_inplace_remainder),
@@ -2028,32 +2073,82 @@ PyObject_CallObject(PyObject *o, PyObject *a)
     return PyEval_CallObjectWithKeywords(o, a, NULL);
 }
 
-PyObject *
-PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw)
+PyObject*
+_Py_CheckFunctionResult(PyObject *func, PyObject *result, const char *where)
 {
-    ternaryfunc call;
+    int err_occurred = (PyErr_Occurred() != NULL);
+
+    assert((func != NULL) ^ (where != NULL));
 
-    if ((call = func->ob_type->tp_call) != NULL) {
-        PyObject *result;
-        if (Py_EnterRecursiveCall(" while calling a Python object"))
+    if (result == NULL) {
+        if (!err_occurred) {
+            if (func)
+                PyErr_Format(PyExc_SystemError,
+                             "%R returned NULL without setting an error",
+                             func);
+            else
+                PyErr_Format(PyExc_SystemError,
+                             "%s returned NULL without setting an error",
+                             where);
+#ifdef Py_DEBUG
+            /* Ensure that the bug is catched in debug mode */
+            Py_FatalError("a function returned NULL without setting an error");
+#endif
             return NULL;
-        result = (*call)(func, arg, kw);
-        Py_LeaveRecursiveCall();
-#ifdef NDEBUG
-        if (result == NULL && !PyErr_Occurred()) {
-            PyErr_SetString(
-                PyExc_SystemError,
-                "NULL result without error in PyObject_Call");
         }
-#else
-        assert((result != NULL && !PyErr_Occurred())
-                || (result == NULL && PyErr_Occurred()));
+    }
+    else {
+        if (err_occurred) {
+            PyObject *exc, *val, *tb;
+            PyErr_Fetch(&exc, &val, &tb);
+
+            Py_DECREF(result);
+
+            if (func)
+                PyErr_Format(PyExc_SystemError,
+                             "%R returned a result with an error set",
+                             func);
+            else
+                PyErr_Format(PyExc_SystemError,
+                             "%s returned a result with an error set",
+                             where);
+            _PyErr_ChainExceptions(exc, val, tb);
+#ifdef Py_DEBUG
+            /* Ensure that the bug is catched in debug mode */
+            Py_FatalError("a function returned a result with an error set");
 #endif
-        return result;
+            return NULL;
+        }
     }
-    PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable",
-                 func->ob_type->tp_name);
-    return NULL;
+    return result;
+}
+
+PyObject *
+PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw)
+{
+    ternaryfunc call;
+    PyObject *result;
+
+    /* PyObject_Call() must not be called with an exception set,
+       because it may clear it (directly or indirectly) and so the
+       caller looses its exception */
+    assert(!PyErr_Occurred());
+
+    call = func->ob_type->tp_call;
+    if (call == NULL) {
+        PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable",
+                     func->ob_type->tp_name);
+        return NULL;
+    }
+
+    if (Py_EnterRecursiveCall(" while calling a Python object"))
+        return NULL;
+
+    result = (*call)(func, arg, kw);
+
+    Py_LeaveRecursiveCall();
+
+    return _Py_CheckFunctionResult(func, result, NULL);
 }
 
 static PyObject*
@@ -2492,6 +2587,11 @@ PyObject_IsInstance(PyObject *inst, PyObject *cls)
     if (Py_TYPE(inst) == (PyTypeObject *)cls)
         return 1;
 
+    /* We know what type's __instancecheck__ does. */
+    if (PyType_CheckExact(cls)) {
+        return recursive_isinstance(inst, cls);
+    }
+
     if (PyTuple_Check(cls)) {
         Py_ssize_t i;
         Py_ssize_t n;
@@ -2530,6 +2630,7 @@ PyObject_IsInstance(PyObject *inst, PyObject *cls)
     }
     else if (PyErr_Occurred())
         return -1;
+    /* Probably never reached anymore. */
     return recursive_isinstance(inst, cls);
 }
 
@@ -2557,6 +2658,14 @@ PyObject_IsSubclass(PyObject *derived, PyObject *cls)
     _Py_IDENTIFIER(__subclasscheck__);
     PyObject *checker;
 
+    /* We know what type's __subclasscheck__ does. */
+    if (PyType_CheckExact(cls)) {
+        /* Quick test for an exact match */
+        if (derived == cls)
+            return 1;
+        return recursive_issubclass(derived, cls);
+    }
+
     if (PyTuple_Check(cls)) {
         Py_ssize_t i;
         Py_ssize_t n;
@@ -2595,6 +2704,7 @@ PyObject_IsSubclass(PyObject *derived, PyObject *cls)
     }
     else if (PyErr_Occurred())
         return -1;
+    /* Probably never reached anymore. */
     return recursive_issubclass(derived, cls);
 }
 
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index f5eb321..d76f15f 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -4,6 +4,12 @@
 #include "Python.h"
 #include "structmember.h"
 #include "bytes_methods.h"
+#include "bytesobject.h"
+
+/*[clinic input]
+class bytearray "PyByteArrayObject *" "&PyByteArray_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=5535b77c37a119e0]*/
 
 char _PyByteArray_empty_string[] = "";
 
@@ -54,18 +60,17 @@ _getbytevalue(PyObject* arg, int *value)
 static int
 bytearray_getbuffer(PyByteArrayObject *obj, Py_buffer *view, int flags)
 {
-    int ret;
     void *ptr;
     if (view == NULL) {
-        obj->ob_exports++;
-        return 0;
+        PyErr_SetString(PyExc_BufferError,
+            "bytearray_getbuffer: view==NULL argument is obsolete");
+        return -1;
     }
     ptr = (void *) PyByteArray_AS_STRING(obj);
-    ret = PyBuffer_FillInfo(view, (PyObject*)obj, ptr, Py_SIZE(obj), 0, flags);
-    if (ret >= 0) {
-        obj->ob_exports++;
-    }
-    return ret;
+    /* cannot fail if view != NULL and readonly == 0 */
+    (void)PyBuffer_FillInfo(view, (PyObject*)obj, ptr, Py_SIZE(obj), 0, flags);
+    obj->ob_exports++;
+    return 0;
 }
 
 static void
@@ -85,6 +90,8 @@ _canresize(PyByteArrayObject *self)
     return 1;
 }
 
+#include "clinic/bytearrayobject.c.h"
+
 /* Direct API functions */
 
 PyObject *
@@ -271,6 +278,31 @@ PyByteArray_Concat(PyObject *a, PyObject *b)
     return (PyObject *)result;
 }
 
+static PyObject *
+bytearray_format(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *bytes_in, *bytes_out, *res;
+    char *bytestring;
+
+    if (self == NULL || !PyByteArray_Check(self) || args == NULL) {
+        PyErr_BadInternalCall();
+        return NULL;
+    }
+    bytestring = PyByteArray_AS_STRING(self);
+    bytes_in = PyBytes_FromString(bytestring);
+    if (bytes_in == NULL)
+        return NULL;
+    bytes_out = _PyBytes_Format(bytes_in, args);
+    Py_DECREF(bytes_in);
+    if (bytes_out == NULL)
+        return NULL;
+    res = PyByteArray_FromObject(bytes_out);
+    Py_DECREF(bytes_out);
+    if (res == NULL)
+        return NULL;
+    return res;
+}
+
 /* Functions stuffed into the type object */
 
 static Py_ssize_t
@@ -429,7 +461,9 @@ bytearray_subscript(PyByteArrayObject *self, PyObject *index)
         }
     }
     else {
-        PyErr_SetString(PyExc_TypeError, "bytearray indices must be integers");
+        PyErr_Format(PyExc_TypeError,
+                     "bytearray indices must be integers or slices, not %.200s",
+                     Py_TYPE(index)->tp_name);
         return NULL;
     }
 }
@@ -634,7 +668,9 @@ bytearray_ass_subscript(PyByteArrayObject *self, PyObject *index, PyObject *valu
         }
     }
     else {
-        PyErr_SetString(PyExc_TypeError, "bytearray indices must be integer");
+        PyErr_Format(PyExc_TypeError,
+                     "bytearray indices must be integers or slices, not %.200s",
+                      Py_TYPE(index)->tp_name);
         return -1;
     }
 
@@ -1108,7 +1144,7 @@ bytearray_find_internal(PyByteArrayObject *self, PyObject *args, int dir)
     char byte;
     Py_buffer subbuf;
     const char *sub;
-    Py_ssize_t sub_len;
+    Py_ssize_t len, sub_len;
     Py_ssize_t start=0, end=PY_SSIZE_T_MAX;
     Py_ssize_t res;
 
@@ -1127,15 +1163,30 @@ bytearray_find_internal(PyByteArrayObject *self, PyObject *args, int dir)
         sub = &byte;
         sub_len = 1;
     }
+    len = PyByteArray_GET_SIZE(self);
 
-    if (dir > 0)
-        res = stringlib_find_slice(
-            PyByteArray_AS_STRING(self), PyByteArray_GET_SIZE(self),
-            sub, sub_len, start, end);
-    else
-        res = stringlib_rfind_slice(
-            PyByteArray_AS_STRING(self), PyByteArray_GET_SIZE(self),
-            sub, sub_len, start, end);
+    ADJUST_INDICES(start, end, len);
+    if (end - start < sub_len)
+        res = -1;
+    /* Issue #23573: FIXME, windows has no memrchr() */
+    else if (sub_len == 1 && dir > 0) {
+        unsigned char needle = *sub;
+        res = stringlib_fastsearch_memchr_1char(
+            PyByteArray_AS_STRING(self) + start, end - start,
+            needle, needle, FAST_SEARCH);
+        if (res >= 0)
+            res += start;
+    }
+    else {
+        if (dir > 0)
+            res = stringlib_find_slice(
+                PyByteArray_AS_STRING(self), len,
+                sub, sub_len, start, end);
+        else
+            res = stringlib_rfind_slice(
+                PyByteArray_AS_STRING(self), len,
+                sub, sub_len, start, end);
+    }
 
     if (subobj)
         PyBuffer_Release(&subbuf);
@@ -1208,26 +1259,34 @@ bytearray_count(PyByteArrayObject *self, PyObject *args)
     return count_obj;
 }
 
-PyDoc_STRVAR(clear__doc__,
-"B.clear() -> None\n\
-\n\
-Remove all items from B.");
+/*[clinic input]
+bytearray.clear
+
+    self: self(type="PyByteArrayObject *")
+
+Remove all items from the bytearray.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_clear(PyByteArrayObject *self)
+bytearray_clear_impl(PyByteArrayObject *self)
+/*[clinic end generated code: output=85c2fe6aede0956c input=e524fd330abcdc18]*/
 {
     if (PyByteArray_Resize((PyObject *)self, 0) < 0)
         return NULL;
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(copy__doc__,
-"B.copy() -> bytearray\n\
-\n\
-Return a copy of B.");
+/*[clinic input]
+bytearray.copy
+
+    self: self(type="PyByteArrayObject *")
+
+Return a copy of B.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_copy(PyByteArrayObject *self)
+bytearray_copy_impl(PyByteArrayObject *self)
+/*[clinic end generated code: output=68cfbcfed484c132 input=6d5d2975aa0f33f3]*/
 {
     return PyByteArray_FromStringAndSize(PyByteArray_AS_STRING((PyObject *)self),
                                          PyByteArray_GET_SIZE(self));
@@ -1446,36 +1505,42 @@ bytearray_endswith(PyByteArrayObject *self, PyObject *args)
 }
 
 
-PyDoc_STRVAR(translate__doc__,
-"B.translate(table[, deletechars]) -> bytearray\n\
-\n\
-Return a copy of B, where all characters occurring in the\n\
-optional argument deletechars are removed, and the remaining\n\
-characters have been mapped through the given translation\n\
-table, which must be a bytes object of length 256.");
+/*[clinic input]
+bytearray.translate
+
+    self: self(type="PyByteArrayObject *")
+    table: object
+        Translation table, which must be a bytes object of length 256.
+    [
+    deletechars: object
+    ]
+    /
+
+Return a copy with each character mapped by the given translation table.
+
+All characters occurring in the optional argument deletechars are removed.
+The remaining characters are mapped through the given translation table.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_translate(PyByteArrayObject *self, PyObject *args)
+bytearray_translate_impl(PyByteArrayObject *self, PyObject *table,
+                         int group_right_1, PyObject *deletechars)
+/*[clinic end generated code: output=2bebc86a9a1ff083 input=b749ad85f4860824]*/
 {
     char *input, *output;
-    const char *table;
+    const char *table_chars;
     Py_ssize_t i, c;
     PyObject *input_obj = (PyObject*)self;
     const char *output_start;
     Py_ssize_t inlen;
     PyObject *result = NULL;
     int trans_table[256];
-    PyObject *tableobj = NULL, *delobj = NULL;
     Py_buffer vtable, vdel;
 
-    if (!PyArg_UnpackTuple(args, "translate", 1, 2,
-                           &tableobj, &delobj))
-          return NULL;
-
-    if (tableobj == Py_None) {
+    if (table == Py_None) {
+        table_chars = NULL;
         table = NULL;
-        tableobj = NULL;
-    } else if (PyObject_GetBuffer(tableobj, &vtable, PyBUF_SIMPLE) != 0) {
+    } else if (PyObject_GetBuffer(table, &vtable, PyBUF_SIMPLE) != 0) {
         return NULL;
     } else {
         if (vtable.len != 256) {
@@ -1484,12 +1549,12 @@ bytearray_translate(PyByteArrayObject *self, PyObject *args)
             PyBuffer_Release(&vtable);
             return NULL;
         }
-        table = (const char*)vtable.buf;
+        table_chars = (const char*)vtable.buf;
     }
 
-    if (delobj != NULL) {
-        if (PyObject_GetBuffer(delobj, &vdel, PyBUF_SIMPLE) != 0) {
-            if (tableobj != NULL)
+    if (deletechars != NULL) {
+        if (PyObject_GetBuffer(deletechars, &vdel, PyBUF_SIMPLE) != 0) {
+            if (table != NULL)
                 PyBuffer_Release(&vtable);
             return NULL;
         }
@@ -1506,21 +1571,21 @@ bytearray_translate(PyByteArrayObject *self, PyObject *args)
     output_start = output = PyByteArray_AsString(result);
     input = PyByteArray_AS_STRING(input_obj);
 
-    if (vdel.len == 0 && table != NULL) {
+    if (vdel.len == 0 && table_chars != NULL) {
         /* If no deletions are required, use faster code */
         for (i = inlen; --i >= 0; ) {
             c = Py_CHARMASK(*input++);
-            *output++ = table[c];
+            *output++ = table_chars[c];
         }
         goto done;
     }
 
-    if (table == NULL) {
+    if (table_chars == NULL) {
         for (i = 0; i < 256; i++)
             trans_table[i] = Py_CHARMASK(i);
     } else {
         for (i = 0; i < 256; i++)
-            trans_table[i] = Py_CHARMASK(table[i]);
+            trans_table[i] = Py_CHARMASK(table_chars[i]);
     }
 
     for (i = 0; i < vdel.len; i++)
@@ -1540,18 +1605,36 @@ bytearray_translate(PyByteArrayObject *self, PyObject *args)
         }
 
 done:
-    if (tableobj != NULL)
+    if (table != NULL)
         PyBuffer_Release(&vtable);
-    if (delobj != NULL)
+    if (deletechars != NULL)
         PyBuffer_Release(&vdel);
     return result;
 }
 
 
+/*[clinic input]
+
+@staticmethod
+bytearray.maketrans
+
+    frm: Py_buffer
+    to: Py_buffer
+    /
+
+Return a translation table useable for the bytes or bytearray translate method.
+
+The returned table will be one where each byte in frm is mapped to the byte at
+the same position in to.
+
+The bytes objects frm and to must be of the same length.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_maketrans(PyObject *null, PyObject *args)
+bytearray_maketrans_impl(Py_buffer *frm, Py_buffer *to)
+/*[clinic end generated code: output=1df267d99f56b15e input=5925a81d2fbbf151]*/
 {
-        return _Py_bytes_maketrans(args);
+    return _Py_bytes_maketrans(frm, to);
 }
 
 
@@ -2042,61 +2125,63 @@ replace(PyByteArrayObject *self,
 }
 
 
-PyDoc_STRVAR(replace__doc__,
-"B.replace(old, new[, count]) -> bytearray\n\
-\n\
-Return a copy of B with all occurrences of subsection\n\
-old replaced by new.  If the optional argument count is\n\
-given, only the first count occurrences are replaced.");
+/*[clinic input]
+bytearray.replace
 
-static PyObject *
-bytearray_replace(PyByteArrayObject *self, PyObject *args)
-{
-    PyObject *res;
-    Py_buffer old = {NULL, NULL};
-    Py_buffer new = {NULL, NULL};
-    Py_ssize_t count = -1;
+    old: Py_buffer
+    new: Py_buffer
+    count: Py_ssize_t = -1
+        Maximum number of occurrences to replace.
+        -1 (the default value) means replace all occurrences.
+    /
 
-    if (!PyArg_ParseTuple(args, "y*y*|n:replace", &old, &new, &count))
-        return NULL;
+Return a copy with all occurrences of substring old replaced by new.
 
-    res = (PyObject *)replace((PyByteArrayObject *) self,
-                              (const char *)old.buf, old.len,
-                              (const char *)new.buf, new.len, count);
+If the optional argument count is given, only the first count occurrences are
+replaced.
+[clinic start generated code]*/
 
-    PyBuffer_Release(&old);
-    PyBuffer_Release(&new);
-    return res;
+static PyObject *
+bytearray_replace_impl(PyByteArrayObject *self, Py_buffer *old,
+                       Py_buffer *new, Py_ssize_t count)
+/*[clinic end generated code: output=d39884c4dc59412a input=aa379d988637c7fb]*/
+{
+    return (PyObject *)replace((PyByteArrayObject *) self,
+                               old->buf, old->len,
+                               new->buf, new->len, count);
 }
 
-PyDoc_STRVAR(split__doc__,
-"B.split(sep=None, maxsplit=-1) -> list of bytearrays\n\
-\n\
-Return a list of the sections in B, using sep as the delimiter.\n\
-If sep is not given, B is split on ASCII whitespace characters\n\
-(space, tab, return, newline, formfeed, vertical tab).\n\
-If maxsplit is given, at most maxsplit splits are done.");
+/*[clinic input]
+bytearray.split
+
+    sep: object = None
+        The delimiter according which to split the bytearray.
+        None (the default value) means split on ASCII whitespace characters
+        (space, tab, return, newline, formfeed, vertical tab).
+    maxsplit: Py_ssize_t = -1
+        Maximum number of splits to do.
+        -1 (the default value) means no limit.
+
+Return a list of the sections in the bytearray, using sep as the delimiter.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_split(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
+bytearray_split_impl(PyByteArrayObject *self, PyObject *sep,
+                     Py_ssize_t maxsplit)
+/*[clinic end generated code: output=833e2cf385d9a04d input=24f82669f41bf523]*/
 {
-    static char *kwlist[] = {"sep", "maxsplit", 0};
     Py_ssize_t len = PyByteArray_GET_SIZE(self), n;
-    Py_ssize_t maxsplit = -1;
     const char *s = PyByteArray_AS_STRING(self), *sub;
-    PyObject *list, *subobj = Py_None;
+    PyObject *list;
     Py_buffer vsub;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|On:split",
-                                     kwlist, &subobj, &maxsplit))
-        return NULL;
     if (maxsplit < 0)
         maxsplit = PY_SSIZE_T_MAX;
 
-    if (subobj == Py_None)
+    if (sep == Py_None)
         return stringlib_split_whitespace((PyObject*) self, s, len, maxsplit);
 
-    if (PyObject_GetBuffer(subobj, &vsub, PyBUF_SIMPLE) != 0)
+    if (PyObject_GetBuffer(sep, &vsub, PyBUF_SIMPLE) != 0)
         return NULL;
     sub = vsub.buf;
     n = vsub.len;
@@ -2108,19 +2193,30 @@ bytearray_split(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
     return list;
 }
 
-PyDoc_STRVAR(partition__doc__,
-"B.partition(sep) -> (head, sep, tail)\n\
-\n\
-Search for the separator sep in B, and return the part before it,\n\
-the separator itself, and the part after it.  If the separator is not\n\
-found, returns B and two empty bytearray objects.");
+/*[clinic input]
+bytearray.partition
+
+    self: self(type="PyByteArrayObject *")
+    sep: object
+    /
+
+Partition the bytearray into three parts using the given separator.
+
+This will search for the separator sep in the bytearray. If the separator is
+found, returns a 3-tuple containing the part before the separator, the
+separator itself, and the part after it.
+
+If the separator is not found, returns a 3-tuple containing the original
+bytearray object and two empty bytearray objects.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_partition(PyByteArrayObject *self, PyObject *sep_obj)
+bytearray_partition(PyByteArrayObject *self, PyObject *sep)
+/*[clinic end generated code: output=45d2525ddd35f957 input=7d7fe37b1696d506]*/
 {
     PyObject *bytesep, *result;
 
-    bytesep = PyByteArray_FromObject(sep_obj);
+    bytesep = PyByteArray_FromObject(sep);
     if (! bytesep)
         return NULL;
 
@@ -2135,20 +2231,30 @@ bytearray_partition(PyByteArrayObject *self, PyObject *sep_obj)
     return result;
 }
 
-PyDoc_STRVAR(rpartition__doc__,
-"B.rpartition(sep) -> (head, sep, tail)\n\
-\n\
-Search for the separator sep in B, starting at the end of B,\n\
-and return the part before it, the separator itself, and the\n\
-part after it.  If the separator is not found, returns two empty\n\
-bytearray objects and B.");
+/*[clinic input]
+bytearray.rpartition
+
+    self: self(type="PyByteArrayObject *")
+    sep: object
+    /
+
+Partition the bytes into three parts using the given separator.
+
+This will search for the separator sep in the bytearray, starting and the end.
+If the separator is found, returns a 3-tuple containing the part before the
+separator, the separator itself, and the part after it.
+
+If the separator is not found, returns a 3-tuple containing two empty bytearray
+objects and the original bytearray object.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_rpartition(PyByteArrayObject *self, PyObject *sep_obj)
+bytearray_rpartition(PyByteArrayObject *self, PyObject *sep)
+/*[clinic end generated code: output=440de3c9426115e8 input=9b8cd540c1b75853]*/
 {
     PyObject *bytesep, *result;
 
-    bytesep = PyByteArray_FromObject(sep_obj);
+    bytesep = PyByteArray_FromObject(sep);
     if (! bytesep)
         return NULL;
 
@@ -2163,35 +2269,31 @@ bytearray_rpartition(PyByteArrayObject *self, PyObject *sep_obj)
     return result;
 }
 
-PyDoc_STRVAR(rsplit__doc__,
-"B.rsplit(sep=None, maxsplit=-1) -> list of bytearrays\n\
-\n\
-Return a list of the sections in B, using sep as the delimiter,\n\
-starting at the end of B and working to the front.\n\
-If sep is not given, B is split on ASCII whitespace characters\n\
-(space, tab, return, newline, formfeed, vertical tab).\n\
-If maxsplit is given, at most maxsplit splits are done.");
+/*[clinic input]
+bytearray.rsplit = bytearray.split
+
+Return a list of the sections in the bytearray, using sep as the delimiter.
+
+Splitting is done starting at the end of the bytearray and working to the front.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_rsplit(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
+bytearray_rsplit_impl(PyByteArrayObject *self, PyObject *sep,
+                      Py_ssize_t maxsplit)
+/*[clinic end generated code: output=a55e0b5a03cb6190 input=a68286e4dd692ffe]*/
 {
-    static char *kwlist[] = {"sep", "maxsplit", 0};
     Py_ssize_t len = PyByteArray_GET_SIZE(self), n;
-    Py_ssize_t maxsplit = -1;
     const char *s = PyByteArray_AS_STRING(self), *sub;
-    PyObject *list, *subobj = Py_None;
+    PyObject *list;
     Py_buffer vsub;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|On:rsplit",
-                                     kwlist, &subobj, &maxsplit))
-        return NULL;
     if (maxsplit < 0)
         maxsplit = PY_SSIZE_T_MAX;
 
-    if (subobj == Py_None)
+    if (sep == Py_None)
         return stringlib_rsplit_whitespace((PyObject*) self, s, len, maxsplit);
 
-    if (PyObject_GetBuffer(subobj, &vsub, PyBUF_SIMPLE) != 0)
+    if (PyObject_GetBuffer(sep, &vsub, PyBUF_SIMPLE) != 0)
         return NULL;
     sub = vsub.buf;
     n = vsub.len;
@@ -2203,12 +2305,17 @@ bytearray_rsplit(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
     return list;
 }
 
-PyDoc_STRVAR(reverse__doc__,
-"B.reverse() -> None\n\
-\n\
-Reverse the order of the values in B in place.");
+/*[clinic input]
+bytearray.reverse
+
+    self: self(type="PyByteArrayObject *")
+
+Reverse the order of the values in B in place.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_reverse(PyByteArrayObject *self, PyObject *unused)
+bytearray_reverse_impl(PyByteArrayObject *self)
+/*[clinic end generated code: output=9f7616f29ab309d3 input=7933a499b8597bd1]*/
 {
     char swap, *head, *tail;
     Py_ssize_t i, j, n = Py_SIZE(self);
@@ -2225,57 +2332,74 @@ bytearray_reverse(PyByteArrayObject *self, PyObject *unused)
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(insert__doc__,
-"B.insert(index, int) -> None\n\
-\n\
-Insert a single item into the bytearray before the given index.");
+
+/*[python input]
+class bytesvalue_converter(CConverter):
+    type = 'int'
+    converter = '_getbytevalue'
+[python start generated code]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=29c2e7c26c212812]*/
+
+
+/*[clinic input]
+bytearray.insert
+
+    self: self(type="PyByteArrayObject *")
+    index: Py_ssize_t
+        The index where the value is to be inserted.
+    item: bytesvalue
+        The item to be inserted.
+    /
+
+Insert a single item into the bytearray before the given index.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_insert(PyByteArrayObject *self, PyObject *args)
+bytearray_insert_impl(PyByteArrayObject *self, Py_ssize_t index, int item)
+/*[clinic end generated code: output=76c775a70e7b07b7 input=833766836ba30e1e]*/
 {
-    PyObject *value;
-    int ival;
-    Py_ssize_t where, n = Py_SIZE(self);
+    Py_ssize_t n = Py_SIZE(self);
     char *buf;
 
-    if (!PyArg_ParseTuple(args, "nO:insert", &where, &value))
-        return NULL;
-
     if (n == PY_SSIZE_T_MAX) {
         PyErr_SetString(PyExc_OverflowError,
                         "cannot add more objects to bytearray");
         return NULL;
     }
-    if (!_getbytevalue(value, &ival))
-        return NULL;
     if (PyByteArray_Resize((PyObject *)self, n + 1) < 0)
         return NULL;
     buf = PyByteArray_AS_STRING(self);
 
-    if (where < 0) {
-        where += n;
-        if (where < 0)
-            where = 0;
+    if (index < 0) {
+        index += n;
+        if (index < 0)
+            index = 0;
     }
-    if (where > n)
-        where = n;
-    memmove(buf + where + 1, buf + where, n - where);
-    buf[where] = ival;
+    if (index > n)
+        index = n;
+    memmove(buf + index + 1, buf + index, n - index);
+    buf[index] = item;
 
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(append__doc__,
-"B.append(int) -> None\n\
-\n\
-Append a single item to the end of B.");
+/*[clinic input]
+bytearray.append
+
+    self: self(type="PyByteArrayObject *")
+    item: bytesvalue
+        The item to be appended.
+    /
+
+Append a single item to the end of the bytearray.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_append(PyByteArrayObject *self, PyObject *arg)
+bytearray_append_impl(PyByteArrayObject *self, int item)
+/*[clinic end generated code: output=a154e19ed1886cb6 input=ae56ea87380407cc]*/
 {
-    int value;
     Py_ssize_t n = Py_SIZE(self);
 
-    if (! _getbytevalue(arg, &value))
-        return NULL;
     if (n == PY_SSIZE_T_MAX) {
         PyErr_SetString(PyExc_OverflowError,
                         "cannot add more objects to bytearray");
@@ -2284,18 +2408,25 @@ bytearray_append(PyByteArrayObject *self, PyObject *arg)
     if (PyByteArray_Resize((PyObject *)self, n + 1) < 0)
         return NULL;
 
-    PyByteArray_AS_STRING(self)[n] = value;
+    PyByteArray_AS_STRING(self)[n] = item;
 
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(extend__doc__,
-"B.extend(iterable_of_ints) -> None\n\
-\n\
-Append all the elements from the iterator or sequence to the\n\
-end of B.");
+/*[clinic input]
+bytearray.extend
+
+    self: self(type="PyByteArrayObject *")
+    iterable_of_ints: object
+        The iterable of items to append.
+    /
+
+Append all the items from the iterator or sequence to the end of the bytearray.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_extend(PyByteArrayObject *self, PyObject *arg)
+bytearray_extend(PyByteArrayObject *self, PyObject *iterable_of_ints)
+/*[clinic end generated code: output=98155dbe249170b1 input=ce83a5d75b70d850]*/
 {
     PyObject *it, *item, *bytearray_obj;
     Py_ssize_t buf_size = 0, len = 0;
@@ -2303,19 +2434,19 @@ bytearray_extend(PyByteArrayObject *self, PyObject *arg)
     char *buf;
 
     /* bytearray_setslice code only accepts something supporting PEP 3118. */
-    if (PyObject_CheckBuffer(arg)) {
-        if (bytearray_setslice(self, Py_SIZE(self), Py_SIZE(self), arg) == -1)
+    if (PyObject_CheckBuffer(iterable_of_ints)) {
+        if (bytearray_setslice(self, Py_SIZE(self), Py_SIZE(self), iterable_of_ints) == -1)
             return NULL;
 
         Py_RETURN_NONE;
     }
 
-    it = PyObject_GetIter(arg);
+    it = PyObject_GetIter(iterable_of_ints);
     if (it == NULL)
         return NULL;
 
     /* Try to determine the length of the argument. 32 is arbitrary. */
-    buf_size = PyObject_LengthHint(arg, 32);
+    buf_size = PyObject_LengthHint(iterable_of_ints, 32);
     if (buf_size == -1) {
         Py_DECREF(it);
         return NULL;
@@ -2367,29 +2498,36 @@ bytearray_extend(PyByteArrayObject *self, PyObject *arg)
     Py_RETURN_NONE;
 }
 
-PyDoc_STRVAR(pop__doc__,
-"B.pop([index]) -> int\n\
-\n\
-Remove and return a single item from B. If no index\n\
-argument is given, will pop the last value.");
+/*[clinic input]
+bytearray.pop
+
+    self: self(type="PyByteArrayObject *")
+    index: Py_ssize_t = -1
+        The index from where to remove the item.
+        -1 (the default value) means remove the last item.
+    /
+
+Remove and return a single item from B.
+
+If no index argument is given, will pop the last item.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_pop(PyByteArrayObject *self, PyObject *args)
+bytearray_pop_impl(PyByteArrayObject *self, Py_ssize_t index)
+/*[clinic end generated code: output=e0ccd401f8021da8 input=0797e6c0ca9d5a85]*/
 {
     int value;
-    Py_ssize_t where = -1, n = Py_SIZE(self);
+    Py_ssize_t n = Py_SIZE(self);
     char *buf;
 
-    if (!PyArg_ParseTuple(args, "|n:pop", &where))
-        return NULL;
-
     if (n == 0) {
         PyErr_SetString(PyExc_IndexError,
                         "pop from empty bytearray");
         return NULL;
     }
-    if (where < 0)
-        where += Py_SIZE(self);
-    if (where < 0 || where >= Py_SIZE(self)) {
+    if (index < 0)
+        index += Py_SIZE(self);
+    if (index < 0 || index >= Py_SIZE(self)) {
         PyErr_SetString(PyExc_IndexError, "pop index out of range");
         return NULL;
     }
@@ -2397,28 +2535,32 @@ bytearray_pop(PyByteArrayObject *self, PyObject *args)
         return NULL;
 
     buf = PyByteArray_AS_STRING(self);
-    value = buf[where];
-    memmove(buf + where, buf + where + 1, n - where);
+    value = buf[index];
+    memmove(buf + index, buf + index + 1, n - index);
     if (PyByteArray_Resize((PyObject *)self, n - 1) < 0)
         return NULL;
 
     return PyLong_FromLong((unsigned char)value);
 }
 
-PyDoc_STRVAR(remove__doc__,
-"B.remove(int) -> None\n\
-\n\
-Remove the first occurrence of a value in B.");
+/*[clinic input]
+bytearray.remove
+
+    self: self(type="PyByteArrayObject *")
+    value: bytesvalue
+        The value to remove.
+    /
+
+Remove the first occurrence of a value in the bytearray.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_remove(PyByteArrayObject *self, PyObject *arg)
+bytearray_remove_impl(PyByteArrayObject *self, int value)
+/*[clinic end generated code: output=d659e37866709c13 input=47560b11fd856c24]*/
 {
-    int value;
     Py_ssize_t where, n = Py_SIZE(self);
     char *buf = PyByteArray_AS_STRING(self);
 
-    if (! _getbytevalue(arg, &value))
-        return NULL;
-
     for (where = 0; where < n; where++) {
         if (buf[where] == value)
             break;
@@ -2459,132 +2601,145 @@ rstrip_helper(char *myptr, Py_ssize_t mysize,
     return i + 1;
 }
 
-PyDoc_STRVAR(strip__doc__,
-"B.strip([bytes]) -> bytearray\n\
-\n\
-Strip leading and trailing bytes contained in the argument\n\
-and return the result as a new bytearray.\n\
-If the argument is omitted, strip ASCII whitespace.");
+/*[clinic input]
+bytearray.strip
+
+    bytes: object = None
+    /
+
+Strip leading and trailing bytes contained in the argument.
+
+If the argument is omitted or None, strip leading and trailing ASCII whitespace.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_strip(PyByteArrayObject *self, PyObject *args)
+bytearray_strip_impl(PyByteArrayObject *self, PyObject *bytes)
+/*[clinic end generated code: output=760412661a34ad5a input=ef7bb59b09c21d62]*/
 {
-    Py_ssize_t left, right, mysize, argsize;
-    char *myptr, *argptr;
-    PyObject *arg = Py_None;
-    Py_buffer varg;
-    if (!PyArg_ParseTuple(args, "|O:strip", &arg))
-        return NULL;
-    if (arg == Py_None) {
-        argptr = "\t\n\r\f\v ";
-        argsize = 6;
+    Py_ssize_t left, right, mysize, byteslen;
+    char *myptr, *bytesptr;
+    Py_buffer vbytes;
+
+    if (bytes == Py_None) {
+        bytesptr = "\t\n\r\f\v ";
+        byteslen = 6;
     }
     else {
-        if (PyObject_GetBuffer(arg, &varg, PyBUF_SIMPLE) != 0)
+        if (PyObject_GetBuffer(bytes, &vbytes, PyBUF_SIMPLE) != 0)
             return NULL;
-        argptr = (char *) varg.buf;
-        argsize = varg.len;
+        bytesptr = (char *) vbytes.buf;
+        byteslen = vbytes.len;
     }
     myptr = PyByteArray_AS_STRING(self);
     mysize = Py_SIZE(self);
-    left = lstrip_helper(myptr, mysize, argptr, argsize);
+    left = lstrip_helper(myptr, mysize, bytesptr, byteslen);
     if (left == mysize)
         right = left;
     else
-        right = rstrip_helper(myptr, mysize, argptr, argsize);
-    if (arg != Py_None)
-        PyBuffer_Release(&varg);
+        right = rstrip_helper(myptr, mysize, bytesptr, byteslen);
+    if (bytes != Py_None)
+        PyBuffer_Release(&vbytes);
     return PyByteArray_FromStringAndSize(myptr + left, right - left);
 }
 
-PyDoc_STRVAR(lstrip__doc__,
-"B.lstrip([bytes]) -> bytearray\n\
-\n\
-Strip leading bytes contained in the argument\n\
-and return the result as a new bytearray.\n\
-If the argument is omitted, strip leading ASCII whitespace.");
+/*[clinic input]
+bytearray.lstrip
+
+    bytes: object = None
+    /
+
+Strip leading bytes contained in the argument.
+
+If the argument is omitted or None, strip leading ASCII whitespace.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_lstrip(PyByteArrayObject *self, PyObject *args)
+bytearray_lstrip_impl(PyByteArrayObject *self, PyObject *bytes)
+/*[clinic end generated code: output=d005c9d0ab909e66 input=80843f975dd7c480]*/
 {
-    Py_ssize_t left, right, mysize, argsize;
-    char *myptr, *argptr;
-    PyObject *arg = Py_None;
-    Py_buffer varg;
-    if (!PyArg_ParseTuple(args, "|O:lstrip", &arg))
-        return NULL;
-    if (arg == Py_None) {
-        argptr = "\t\n\r\f\v ";
-        argsize = 6;
+    Py_ssize_t left, right, mysize, byteslen;
+    char *myptr, *bytesptr;
+    Py_buffer vbytes;
+
+    if (bytes == Py_None) {
+        bytesptr = "\t\n\r\f\v ";
+        byteslen = 6;
     }
     else {
-        if (PyObject_GetBuffer(arg, &varg, PyBUF_SIMPLE) != 0)
+        if (PyObject_GetBuffer(bytes, &vbytes, PyBUF_SIMPLE) != 0)
             return NULL;
-        argptr = (char *) varg.buf;
-        argsize = varg.len;
+        bytesptr = (char *) vbytes.buf;
+        byteslen = vbytes.len;
     }
     myptr = PyByteArray_AS_STRING(self);
     mysize = Py_SIZE(self);
-    left = lstrip_helper(myptr, mysize, argptr, argsize);
+    left = lstrip_helper(myptr, mysize, bytesptr, byteslen);
     right = mysize;
-    if (arg != Py_None)
-        PyBuffer_Release(&varg);
+    if (bytes != Py_None)
+        PyBuffer_Release(&vbytes);
     return PyByteArray_FromStringAndSize(myptr + left, right - left);
 }
 
-PyDoc_STRVAR(rstrip__doc__,
-"B.rstrip([bytes]) -> bytearray\n\
-\n\
-Strip trailing bytes contained in the argument\n\
-and return the result as a new bytearray.\n\
-If the argument is omitted, strip trailing ASCII whitespace.");
+/*[clinic input]
+bytearray.rstrip
+
+    bytes: object = None
+    /
+
+Strip trailing bytes contained in the argument.
+
+If the argument is omitted or None, strip trailing ASCII whitespace.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_rstrip(PyByteArrayObject *self, PyObject *args)
+bytearray_rstrip_impl(PyByteArrayObject *self, PyObject *bytes)
+/*[clinic end generated code: output=030e2fbd2f7276bd input=e728b994954cfd91]*/
 {
-    Py_ssize_t right, mysize, argsize;
-    char *myptr, *argptr;
-    PyObject *arg = Py_None;
-    Py_buffer varg;
-    if (!PyArg_ParseTuple(args, "|O:rstrip", &arg))
-        return NULL;
-    if (arg == Py_None) {
-        argptr = "\t\n\r\f\v ";
-        argsize = 6;
+    Py_ssize_t right, mysize, byteslen;
+    char *myptr, *bytesptr;
+    Py_buffer vbytes;
+
+    if (bytes == Py_None) {
+        bytesptr = "\t\n\r\f\v ";
+        byteslen = 6;
     }
     else {
-        if (PyObject_GetBuffer(arg, &varg, PyBUF_SIMPLE) != 0)
+        if (PyObject_GetBuffer(bytes, &vbytes, PyBUF_SIMPLE) != 0)
             return NULL;
-        argptr = (char *) varg.buf;
-        argsize = varg.len;
+        bytesptr = (char *) vbytes.buf;
+        byteslen = vbytes.len;
     }
     myptr = PyByteArray_AS_STRING(self);
     mysize = Py_SIZE(self);
-    right = rstrip_helper(myptr, mysize, argptr, argsize);
-    if (arg != Py_None)
-        PyBuffer_Release(&varg);
+    right = rstrip_helper(myptr, mysize, bytesptr, byteslen);
+    if (bytes != Py_None)
+        PyBuffer_Release(&vbytes);
     return PyByteArray_FromStringAndSize(myptr, right);
 }
 
-PyDoc_STRVAR(decode_doc,
-"B.decode(encoding='utf-8', errors='strict') -> str\n\
-\n\
-Decode B using the codec registered for encoding. Default encoding\n\
-is 'utf-8'. errors may be given to set a different error\n\
-handling scheme.  Default is 'strict' meaning that encoding errors raise\n\
-a UnicodeDecodeError.  Other possible values are 'ignore' and 'replace'\n\
-as well as any other name registered with codecs.register_error that is\n\
-able to handle UnicodeDecodeErrors.");
+/*[clinic input]
+bytearray.decode
+
+    encoding: str(c_default="NULL") = 'utf-8'
+        The encoding with which to decode the bytearray.
+    errors: str(c_default="NULL") = 'strict'
+        The error handling scheme to use for the handling of decoding errors.
+        The default is 'strict' meaning that decoding errors raise a
+        UnicodeDecodeError. Other possible values are 'ignore' and 'replace'
+        as well as any other name registered with codecs.register_error that
+        can handle UnicodeDecodeErrors.
+
+Decode the bytearray using the codec registered for encoding.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_decode(PyObject *self, PyObject *args, PyObject *kwargs)
+bytearray_decode_impl(PyByteArrayObject *self, const char *encoding,
+                      const char *errors)
+/*[clinic end generated code: output=f57d43f4a00b42c5 input=f28d8f903020257b]*/
 {
-    const char *encoding = NULL;
-    const char *errors = NULL;
-    static char *kwlist[] = {"encoding", "errors", 0};
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss:decode", kwlist, &encoding, &errors))
-        return NULL;
     if (encoding == NULL)
         encoding = PyUnicode_GetDefaultEncoding();
-    return PyUnicode_FromEncodedObject(self, encoding, errors);
+    return PyUnicode_FromEncodedObject((PyObject*)self, encoding, errors);
 }
 
 PyDoc_STRVAR(alloc_doc,
@@ -2598,48 +2753,47 @@ bytearray_alloc(PyByteArrayObject *self)
     return PyLong_FromSsize_t(self->ob_alloc);
 }
 
-PyDoc_STRVAR(join_doc,
-"B.join(iterable_of_bytes) -> bytearray\n\
-\n\
-Concatenate any number of bytes/bytearray objects, with B\n\
-in between each pair, and return the result as a new bytearray.");
+/*[clinic input]
+bytearray.join
+
+    iterable_of_bytes: object
+    /
+
+Concatenate any number of bytes/bytearray objects.
+
+The bytearray whose method is called is inserted in between each pair.
+
+The result is returned as a new bytearray object.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_join(PyObject *self, PyObject *iterable)
+bytearray_join(PyByteArrayObject *self, PyObject *iterable_of_bytes)
+/*[clinic end generated code: output=a8516370bf68ae08 input=aba6b1f9b30fcb8e]*/
 {
-    return stringlib_bytes_join(self, iterable);
+    return stringlib_bytes_join((PyObject*)self, iterable_of_bytes);
 }
 
-PyDoc_STRVAR(splitlines__doc__,
-"B.splitlines([keepends]) -> list of lines\n\
-\n\
-Return a list of the lines in B, breaking at line boundaries.\n\
-Line breaks are not included in the resulting list unless keepends\n\
-is given and true.");
+/*[clinic input]
+bytearray.splitlines
 
-static PyObject*
-bytearray_splitlines(PyObject *self, PyObject *args, PyObject *kwds)
-{
-    static char *kwlist[] = {"keepends", 0};
-    int keepends = 0;
+    keepends: int(py_default="False") = 0
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i:splitlines",
-                                     kwlist, &keepends))
-        return NULL;
+Return a list of the lines in the bytearray, breaking at line boundaries.
 
+Line breaks are not included in the resulting list unless keepends is given and
+true.
+[clinic start generated code]*/
+
+static PyObject *
+bytearray_splitlines_impl(PyByteArrayObject *self, int keepends)
+/*[clinic end generated code: output=4223c94b895f6ad9 input=36f0b25bc792f6c0]*/
+{
     return stringlib_splitlines(
         (PyObject*) self, PyByteArray_AS_STRING(self),
         PyByteArray_GET_SIZE(self), keepends
         );
 }
 
-PyDoc_STRVAR(fromhex_doc,
-"bytearray.fromhex(string) -> bytearray (static method)\n\
-\n\
-Create a bytearray object from a string of hexadecimal numbers.\n\
-Spaces between two numbers are accepted.\n\
-Example: bytearray.fromhex('B9 01EF') -> bytearray(b'\\xb9\\x01\\xef').");
-
 static int
 hex_digit_to_int(Py_UCS4 c)
 {
@@ -2656,24 +2810,37 @@ hex_digit_to_int(Py_UCS4 c)
     return -1;
 }
 
+/*[clinic input]
+@classmethod
+bytearray.fromhex
+
+    cls: self(type="PyObject*")
+    string: unicode
+    /
+
+Create a bytearray object from a string of hexadecimal numbers.
+
+Spaces between two numbers are accepted.
+Example: bytearray.fromhex('B9 01EF') -> bytearray(b'\\xb9\\x01\\xef')
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_fromhex(PyObject *cls, PyObject *args)
+bytearray_fromhex_impl(PyObject*cls, PyObject *string)
+/*[clinic end generated code: output=df3da60129b3700c input=907bbd2d34d9367a]*/
 {
-    PyObject *newbytes, *hexobj;
+    PyObject *newbytes;
     char *buf;
     Py_ssize_t hexlen, byteslen, i, j;
     int top, bot;
     void *data;
     unsigned int kind;
 
-    if (!PyArg_ParseTuple(args, "U:fromhex", &hexobj))
+    assert(PyUnicode_Check(string));
+    if (PyUnicode_READY(string))
         return NULL;
-    assert(PyUnicode_Check(hexobj));
-    if (PyUnicode_READY(hexobj))
-        return NULL;
-    kind = PyUnicode_KIND(hexobj);
-    data = PyUnicode_DATA(hexobj);
-    hexlen = PyUnicode_GET_LENGTH(hexobj);
+    kind = PyUnicode_KIND(string);
+    data = PyUnicode_DATA(string);
+    hexlen = PyUnicode_GET_LENGTH(string);
 
     byteslen = hexlen/2; /* This overestimates if there are spaces */
     newbytes = PyByteArray_FromStringAndSize(NULL, byteslen);
@@ -2741,33 +2908,49 @@ _common_reduce(PyByteArrayObject *self, int proto)
     }
 }
 
-PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
+/*[clinic input]
+bytearray.__reduce__ as bytearray_reduce
+
+    self: self(type="PyByteArrayObject *")
+
+Return state information for pickling.
+[clinic start generated code]*/
 
 static PyObject *
-bytearray_reduce(PyByteArrayObject *self)
+bytearray_reduce_impl(PyByteArrayObject *self)
+/*[clinic end generated code: output=52bf304086464cab input=fbb07de4d102a03a]*/
 {
     return _common_reduce(self, 2);
 }
 
-PyDoc_STRVAR(reduce_ex_doc, "Return state information for pickling.");
+/*[clinic input]
+bytearray.__reduce_ex__ as bytearray_reduce_ex
 
-static PyObject *
-bytearray_reduce_ex(PyByteArrayObject *self, PyObject *args)
-{
-    int proto = 0;
+    self: self(type="PyByteArrayObject *")
+    proto: int = 0
+    /
 
-    if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto))
-        return NULL;
+Return state information for pickling.
+[clinic start generated code]*/
 
+static PyObject *
+bytearray_reduce_ex_impl(PyByteArrayObject *self, int proto)
+/*[clinic end generated code: output=52eac33377197520 input=0e091a42ca6dbd91]*/
+{
     return _common_reduce(self, proto);
 }
 
-PyDoc_STRVAR(sizeof_doc,
-"B.__sizeof__() -> int\n\
- \n\
-Returns the size of B in memory, in bytes");
+/*[clinic input]
+bytearray.__sizeof__ as bytearray_sizeof
+
+    self: self(type="PyByteArrayObject *")
+
+Returns the size of the bytearray object in memory, in bytes.
+[clinic start generated code]*/
+
 static PyObject *
-bytearray_sizeof(PyByteArrayObject *self)
+bytearray_sizeof_impl(PyByteArrayObject *self)
+/*[clinic end generated code: output=738abdd17951c427 input=6b23d305362b462b]*/
 {
     Py_ssize_t res;
 
@@ -2802,26 +2985,25 @@ static PyBufferProcs bytearray_as_buffer = {
 static PyMethodDef
 bytearray_methods[] = {
     {"__alloc__", (PyCFunction)bytearray_alloc, METH_NOARGS, alloc_doc},
-    {"__reduce__", (PyCFunction)bytearray_reduce, METH_NOARGS, reduce_doc},
-    {"__reduce_ex__", (PyCFunction)bytearray_reduce_ex, METH_VARARGS, reduce_ex_doc},
-    {"__sizeof__", (PyCFunction)bytearray_sizeof, METH_NOARGS, sizeof_doc},
-    {"append", (PyCFunction)bytearray_append, METH_O, append__doc__},
+    BYTEARRAY_REDUCE_METHODDEF
+    BYTEARRAY_REDUCE_EX_METHODDEF
+    BYTEARRAY_SIZEOF_METHODDEF
+    BYTEARRAY_APPEND_METHODDEF
     {"capitalize", (PyCFunction)stringlib_capitalize, METH_NOARGS,
      _Py_capitalize__doc__},
     {"center", (PyCFunction)stringlib_center, METH_VARARGS, center__doc__},
-    {"clear", (PyCFunction)bytearray_clear, METH_NOARGS, clear__doc__},
-    {"copy", (PyCFunction)bytearray_copy, METH_NOARGS, copy__doc__},
+    BYTEARRAY_CLEAR_METHODDEF
+    BYTEARRAY_COPY_METHODDEF
     {"count", (PyCFunction)bytearray_count, METH_VARARGS, count__doc__},
-    {"decode", (PyCFunction)bytearray_decode, METH_VARARGS | METH_KEYWORDS, decode_doc},
+    BYTEARRAY_DECODE_METHODDEF
     {"endswith", (PyCFunction)bytearray_endswith, METH_VARARGS, endswith__doc__},
     {"expandtabs", (PyCFunction)stringlib_expandtabs, METH_VARARGS | METH_KEYWORDS,
      expandtabs__doc__},
-    {"extend", (PyCFunction)bytearray_extend, METH_O, extend__doc__},
+    BYTEARRAY_EXTEND_METHODDEF
     {"find", (PyCFunction)bytearray_find, METH_VARARGS, find__doc__},
-    {"fromhex", (PyCFunction)bytearray_fromhex, METH_VARARGS|METH_CLASS,
-     fromhex_doc},
+    BYTEARRAY_FROMHEX_METHODDEF
     {"index", (PyCFunction)bytearray_index, METH_VARARGS, index__doc__},
-    {"insert", (PyCFunction)bytearray_insert, METH_VARARGS, insert__doc__},
+    BYTEARRAY_INSERT_METHODDEF
     {"isalnum", (PyCFunction)stringlib_isalnum, METH_NOARGS,
      _Py_isalnum__doc__},
     {"isalpha", (PyCFunction)stringlib_isalpha, METH_NOARGS,
@@ -2836,39 +3018,51 @@ bytearray_methods[] = {
      _Py_istitle__doc__},
     {"isupper", (PyCFunction)stringlib_isupper, METH_NOARGS,
      _Py_isupper__doc__},
-    {"join", (PyCFunction)bytearray_join, METH_O, join_doc},
+    BYTEARRAY_JOIN_METHODDEF
     {"ljust", (PyCFunction)stringlib_ljust, METH_VARARGS, ljust__doc__},
     {"lower", (PyCFunction)stringlib_lower, METH_NOARGS, _Py_lower__doc__},
-    {"lstrip", (PyCFunction)bytearray_lstrip, METH_VARARGS, lstrip__doc__},
-    {"maketrans", (PyCFunction)bytearray_maketrans, METH_VARARGS|METH_STATIC,
-     _Py_maketrans__doc__},
-    {"partition", (PyCFunction)bytearray_partition, METH_O, partition__doc__},
-    {"pop", (PyCFunction)bytearray_pop, METH_VARARGS, pop__doc__},
-    {"remove", (PyCFunction)bytearray_remove, METH_O, remove__doc__},
-    {"replace", (PyCFunction)bytearray_replace, METH_VARARGS, replace__doc__},
-    {"reverse", (PyCFunction)bytearray_reverse, METH_NOARGS, reverse__doc__},
+    BYTEARRAY_LSTRIP_METHODDEF
+    BYTEARRAY_MAKETRANS_METHODDEF
+    BYTEARRAY_PARTITION_METHODDEF
+    BYTEARRAY_POP_METHODDEF
+    BYTEARRAY_REMOVE_METHODDEF
+    BYTEARRAY_REPLACE_METHODDEF
+    BYTEARRAY_REVERSE_METHODDEF
     {"rfind", (PyCFunction)bytearray_rfind, METH_VARARGS, rfind__doc__},
     {"rindex", (PyCFunction)bytearray_rindex, METH_VARARGS, rindex__doc__},
     {"rjust", (PyCFunction)stringlib_rjust, METH_VARARGS, rjust__doc__},
-    {"rpartition", (PyCFunction)bytearray_rpartition, METH_O, rpartition__doc__},
-    {"rsplit", (PyCFunction)bytearray_rsplit, METH_VARARGS | METH_KEYWORDS, rsplit__doc__},
-    {"rstrip", (PyCFunction)bytearray_rstrip, METH_VARARGS, rstrip__doc__},
-    {"split", (PyCFunction)bytearray_split, METH_VARARGS | METH_KEYWORDS, split__doc__},
-    {"splitlines", (PyCFunction)bytearray_splitlines,
-     METH_VARARGS | METH_KEYWORDS, splitlines__doc__},
+    BYTEARRAY_RPARTITION_METHODDEF
+    BYTEARRAY_RSPLIT_METHODDEF
+    BYTEARRAY_RSTRIP_METHODDEF
+    BYTEARRAY_SPLIT_METHODDEF
+    BYTEARRAY_SPLITLINES_METHODDEF
     {"startswith", (PyCFunction)bytearray_startswith, METH_VARARGS ,
      startswith__doc__},
-    {"strip", (PyCFunction)bytearray_strip, METH_VARARGS, strip__doc__},
+    BYTEARRAY_STRIP_METHODDEF
     {"swapcase", (PyCFunction)stringlib_swapcase, METH_NOARGS,
      _Py_swapcase__doc__},
     {"title", (PyCFunction)stringlib_title, METH_NOARGS, _Py_title__doc__},
-    {"translate", (PyCFunction)bytearray_translate, METH_VARARGS,
-     translate__doc__},
+    BYTEARRAY_TRANSLATE_METHODDEF
     {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__},
     {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__},
     {NULL}
 };
 
+static PyObject *
+bytearray_mod(PyObject *v, PyObject *w)
+{
+    if (!PyByteArray_Check(v))
+        Py_RETURN_NOTIMPLEMENTED;
+    return bytearray_format((PyByteArrayObject *)v, w);
+}
+
+static PyNumberMethods bytearray_as_number = {
+    0,              /*nb_add*/
+    0,              /*nb_subtract*/
+    0,              /*nb_multiply*/
+    bytearray_mod,  /*nb_remainder*/
+};
+
 PyDoc_STRVAR(bytearray_doc,
 "bytearray(iterable_of_ints) -> bytearray\n\
 bytearray(string, encoding[, errors]) -> bytearray\n\
@@ -2897,7 +3091,7 @@ PyTypeObject PyByteArray_Type = {
     0,                                  /* tp_setattr */
     0,                                  /* tp_reserved */
     (reprfunc)bytearray_repr,           /* tp_repr */
-    0,                                  /* tp_as_number */
+    &bytearray_as_number,               /* tp_as_number */
     &bytearray_as_sequence,             /* tp_as_sequence */
     &bytearray_as_mapping,              /* tp_as_mapping */
     0,                                  /* tp_hash */
@@ -3024,7 +3218,7 @@ static PyMethodDef bytearrayiter_methods[] = {
     {"__length_hint__", (PyCFunction)bytearrayiter_length_hint, METH_NOARGS,
      length_hint_doc},
      {"__reduce__",      (PyCFunction)bytearrayiter_reduce, METH_NOARGS,
-     reduce_doc},
+     bytearray_reduce__doc__},
     {"__setstate__",    (PyCFunction)bytearrayiter_setstate, METH_O,
      setstate_doc},
     {NULL, NULL} /* sentinel */
diff --git a/Objects/bytes_methods.c b/Objects/bytes_methods.c
index 9ff7ace..a299915 100644
--- a/Objects/bytes_methods.c
+++ b/Objects/bytes_methods.c
@@ -364,39 +364,26 @@ in frm is mapped to the byte at the same position in to.\n\
 The bytes objects frm and to must be of the same length.");
 
 PyObject *
-_Py_bytes_maketrans(PyObject *args)
+_Py_bytes_maketrans(Py_buffer *frm, Py_buffer *to)
 {
     PyObject *res = NULL;
-    Py_buffer bfrm = {NULL, NULL};
-    Py_buffer bto = {NULL, NULL};
     Py_ssize_t i;
     char *p;
 
-    bfrm.len = -1;
-    bto.len = -1;
-
-    if (!PyArg_ParseTuple(args, "y*y*:maketrans", &bfrm, &bto))
-        return NULL;
-    if (bfrm.len != bto.len) {
+    if (frm->len != to->len) {
         PyErr_Format(PyExc_ValueError,
                      "maketrans arguments must have same length");
-        goto done;
+        return NULL;
     }
     res = PyBytes_FromStringAndSize(NULL, 256);
-    if (!res) {
-        goto done;
-    }
+    if (!res)
+        return NULL;
     p = PyBytes_AS_STRING(res);
     for (i = 0; i < 256; i++)
         p[i] = (char) i;
-    for (i = 0; i < bfrm.len; i++) {
-        p[((unsigned char *)bfrm.buf)[i]] = ((char *)bto.buf)[i];
+    for (i = 0; i < frm->len; i++) {
+        p[((unsigned char *)frm->buf)[i]] = ((char *)to->buf)[i];
     }
 
-done:
-    if (bfrm.obj != NULL)
-        PyBuffer_Release(&bfrm);
-    if (bfrm.obj != NULL)
-        PyBuffer_Release(&bto);
     return res;
 }
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index b9b49ac..d981e0e 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -7,6 +7,13 @@
 #include "bytes_methods.h"
 #include <stddef.h>
 
+/*[clinic input]
+class bytes "PyBytesObject*" "&PyBytes_Type"
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=1a1d9102afc1b00c]*/
+
+#include "clinic/bytesobject.c.h"
+
 #ifdef COUNT_ALLOCS
 Py_ssize_t null_strings, one_strings;
 #endif
@@ -44,15 +51,12 @@ static PyBytesObject *nullstring;
    PyBytes_FromStringAndSize()) or the length of the string in the `str'
    parameter (for PyBytes_FromString()).
 */
-PyObject *
-PyBytes_FromStringAndSize(const char *str, Py_ssize_t size)
+static PyObject *
+_PyBytes_FromSize(Py_ssize_t size, int use_calloc)
 {
     PyBytesObject *op;
-    if (size < 0) {
-        PyErr_SetString(PyExc_SystemError,
-            "Negative size passed to PyBytes_FromStringAndSize");
-        return NULL;
-    }
+    assert(size >= 0);
+
     if (size == 0 && (op = nullstring) != NULL) {
 #ifdef COUNT_ALLOCS
         null_strings++;
@@ -60,36 +64,60 @@ PyBytes_FromStringAndSize(const char *str, Py_ssize_t size)
         Py_INCREF(op);
         return (PyObject *)op;
     }
-    if (size == 1 && str != NULL &&
-        (op = characters[*str & UCHAR_MAX]) != NULL)
-    {
-#ifdef COUNT_ALLOCS
-        one_strings++;
-#endif
-        Py_INCREF(op);
-        return (PyObject *)op;
-    }
 
-    if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) {
+    if ((size_t)size > (size_t)PY_SSIZE_T_MAX - PyBytesObject_SIZE) {
         PyErr_SetString(PyExc_OverflowError,
                         "byte string is too large");
         return NULL;
     }
 
     /* Inline PyObject_NewVar */
-    op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size);
+    if (use_calloc)
+        op = (PyBytesObject *)PyObject_Calloc(1, PyBytesObject_SIZE + size);
+    else
+        op = (PyBytesObject *)PyObject_Malloc(PyBytesObject_SIZE + size);
     if (op == NULL)
         return PyErr_NoMemory();
     (void)PyObject_INIT_VAR(op, &PyBytes_Type, size);
     op->ob_shash = -1;
-    if (str != NULL)
-        Py_MEMCPY(op->ob_sval, str, size);
-    op->ob_sval[size] = '\0';
-    /* share short strings */
+    if (!use_calloc)
+        op->ob_sval[size] = '\0';
+    /* empty byte string singleton */
     if (size == 0) {
         nullstring = op;
         Py_INCREF(op);
-    } else if (size == 1 && str != NULL) {
+    }
+    return (PyObject *) op;
+}
+
+PyObject *
+PyBytes_FromStringAndSize(const char *str, Py_ssize_t size)
+{
+    PyBytesObject *op;
+    if (size < 0) {
+        PyErr_SetString(PyExc_SystemError,
+            "Negative size passed to PyBytes_FromStringAndSize");
+        return NULL;
+    }
+    if (size == 1 && str != NULL &&
+        (op = characters[*str & UCHAR_MAX]) != NULL)
+    {
+#ifdef COUNT_ALLOCS
+        one_strings++;
+#endif
+        Py_INCREF(op);
+        return (PyObject *)op;
+    }
+
+    op = (PyBytesObject *)_PyBytes_FromSize(size, 0);
+    if (op == NULL)
+        return NULL;
+    if (str == NULL)
+        return (PyObject *) op;
+
+    Py_MEMCPY(op->ob_sval, str, size);
+    /* share short strings */
+    if (size == 1) {
         characters[*str & UCHAR_MAX] = op;
         Py_INCREF(op);
     }
@@ -347,6 +375,580 @@ PyBytes_FromFormat(const char *format, ...)
     return ret;
 }
 
+/* Helpers for formatstring */
+
+Py_LOCAL_INLINE(PyObject *)
+getnextarg(PyObject *args, Py_ssize_t arglen, Py_ssize_t *p_argidx)
+{
+    Py_ssize_t argidx = *p_argidx;
+    if (argidx < arglen) {
+        (*p_argidx)++;
+        if (arglen < 0)
+            return args;
+        else
+            return PyTuple_GetItem(args, argidx);
+    }
+    PyErr_SetString(PyExc_TypeError,
+                    "not enough arguments for format string");
+    return NULL;
+}
+
+/* Format codes
+ * F_LJUST      '-'
+ * F_SIGN       '+'
+ * F_BLANK      ' '
+ * F_ALT        '#'
+ * F_ZERO       '0'
+ */
+#define F_LJUST (1<<0)
+#define F_SIGN  (1<<1)
+#define F_BLANK (1<<2)
+#define F_ALT   (1<<3)
+#define F_ZERO  (1<<4)
+
+/* Returns a new reference to a PyBytes object, or NULL on failure. */
+
+static PyObject *
+formatfloat(PyObject *v, int flags, int prec, int type)
+{
+    char *p;
+    PyObject *result;
+    double x;
+
+    x = PyFloat_AsDouble(v);
+    if (x == -1.0 && PyErr_Occurred()) {
+        PyErr_Format(PyExc_TypeError, "float argument required, "
+                     "not %.200s", Py_TYPE(v)->tp_name);
+        return NULL;
+    }
+
+    if (prec < 0)
+        prec = 6;
+
+    p = PyOS_double_to_string(x, type, prec,
+                              (flags & F_ALT) ? Py_DTSF_ALT : 0, NULL);
+
+    if (p == NULL)
+        return NULL;
+    result = PyBytes_FromStringAndSize(p, strlen(p));
+    PyMem_Free(p);
+    return result;
+}
+
+static PyObject *
+formatlong(PyObject *v, int flags, int prec, int type)
+{
+    PyObject *result, *iobj;
+    if (type == 'i')
+        type = 'd';
+    if (PyLong_Check(v))
+        return _PyUnicode_FormatLong(v, flags & F_ALT, prec, type);
+    if (PyNumber_Check(v)) {
+        /* make sure number is a type of integer for o, x, and X */
+        if (type == 'o' || type == 'x' || type == 'X')
+            iobj = PyNumber_Index(v);
+        else
+            iobj = PyNumber_Long(v);
+        if (iobj == NULL) {
+            if (!PyErr_ExceptionMatches(PyExc_TypeError))
+                return NULL;
+        }
+        else if (!PyLong_Check(iobj))
+            Py_CLEAR(iobj);
+        if (iobj != NULL) {
+            result = _PyUnicode_FormatLong(iobj, flags & F_ALT, prec, type);
+            Py_DECREF(iobj);
+            return result;
+        }
+    }
+    PyErr_Format(PyExc_TypeError,
+        "%%%c format: %s is required, not %.200s", type,
+        (type == 'o' || type == 'x' || type == 'X') ? "an integer"
+                                                    : "a number",
+        Py_TYPE(v)->tp_name);
+    return NULL;
+}
+
+static int
+byte_converter(PyObject *arg, char *p)
+{
+    if (PyBytes_Check(arg) && PyBytes_Size(arg) == 1) {
+        *p = PyBytes_AS_STRING(arg)[0];
+        return 1;
+    }
+    else if (PyByteArray_Check(arg) && PyByteArray_Size(arg) == 1) {
+        *p = PyByteArray_AS_STRING(arg)[0];
+        return 1;
+    }
+    else {
+        PyObject *iobj;
+        long ival;
+        int overflow;
+        /* make sure number is a type of integer */
+        if (PyLong_Check(arg)) {
+            ival = PyLong_AsLongAndOverflow(arg, &overflow);
+        }
+        else {
+            iobj = PyNumber_Index(arg);
+            if (iobj == NULL) {
+                if (!PyErr_ExceptionMatches(PyExc_TypeError))
+                    return 0;
+                goto onError;
+            }
+            ival = PyLong_AsLongAndOverflow(iobj, &overflow);
+            Py_DECREF(iobj);
+        }
+        if (!overflow && ival == -1 && PyErr_Occurred())
+            goto onError;
+        if (overflow || !(0 <= ival && ival <= 255)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "%c arg not in range(256)");
+            return 0;
+        }
+        *p = (char)ival;
+        return 1;
+    }
+  onError:
+    PyErr_SetString(PyExc_TypeError,
+        "%c requires an integer in range(256) or a single byte");
+    return 0;
+}
+
+static PyObject *
+format_obj(PyObject *v, const char **pbuf, Py_ssize_t *plen)
+{
+    PyObject *func, *result;
+    _Py_IDENTIFIER(__bytes__);
+    /* is it a bytes object? */
+    if (PyBytes_Check(v)) {
+        *pbuf = PyBytes_AS_STRING(v);
+        *plen = PyBytes_GET_SIZE(v);
+        Py_INCREF(v);
+        return v;
+    }
+    if (PyByteArray_Check(v)) {
+        *pbuf = PyByteArray_AS_STRING(v);
+        *plen = PyByteArray_GET_SIZE(v);
+        Py_INCREF(v);
+        return v;
+    }
+    /* does it support __bytes__? */
+    func = _PyObject_LookupSpecial(v, &PyId___bytes__);
+    if (func != NULL) {
+        result = PyObject_CallFunctionObjArgs(func, NULL);
+        Py_DECREF(func);
+        if (result == NULL)
+            return NULL;
+        if (!PyBytes_Check(result)) {
+            PyErr_Format(PyExc_TypeError,
+                         "__bytes__ returned non-bytes (type %.200s)",
+                         Py_TYPE(result)->tp_name);
+            Py_DECREF(result);
+            return NULL;
+        }
+        *pbuf = PyBytes_AS_STRING(result);
+        *plen = PyBytes_GET_SIZE(result);
+        return result;
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%%b requires bytes, or an object that implements __bytes__, not '%.100s'",
+                 Py_TYPE(v)->tp_name);
+    return NULL;
+}
+
+/* fmt%(v1,v2,...) is roughly equivalent to sprintf(fmt, v1, v2, ...)
+
+   FORMATBUFLEN is the length of the buffer in which the ints &
+   chars are formatted. XXX This is a magic number. Each formatting
+   routine does bounds checking to ensure no overflow, but a better
+   solution may be to malloc a buffer of appropriate size for each
+   format. For now, the current solution is sufficient.
+*/
+#define FORMATBUFLEN (size_t)120
+
+PyObject *
+_PyBytes_Format(PyObject *format, PyObject *args)
+{
+    char *fmt, *res;
+    Py_ssize_t arglen, argidx;
+    Py_ssize_t reslen, rescnt, fmtcnt;
+    int args_owned = 0;
+    PyObject *result;
+    PyObject *dict = NULL;
+    if (format == NULL || !PyBytes_Check(format) || args == NULL) {
+        PyErr_BadInternalCall();
+        return NULL;
+    }
+    fmt = PyBytes_AS_STRING(format);
+    fmtcnt = PyBytes_GET_SIZE(format);
+    reslen = rescnt = fmtcnt + 100;
+    result = PyBytes_FromStringAndSize((char *)NULL, reslen);
+    if (result == NULL)
+        return NULL;
+    res = PyBytes_AsString(result);
+    if (PyTuple_Check(args)) {
+        arglen = PyTuple_GET_SIZE(args);
+        argidx = 0;
+    }
+    else {
+        arglen = -1;
+        argidx = -2;
+    }
+    if (Py_TYPE(args)->tp_as_mapping && Py_TYPE(args)->tp_as_mapping->mp_subscript &&
+        !PyTuple_Check(args) && !PyBytes_Check(args) && !PyUnicode_Check(args) &&
+        !PyByteArray_Check(args)) {
+            dict = args;
+    }
+    while (--fmtcnt >= 0) {
+        if (*fmt != '%') {
+            if (--rescnt < 0) {
+                rescnt = fmtcnt + 100;
+                reslen += rescnt;
+                if (_PyBytes_Resize(&result, reslen))
+                    return NULL;
+                res = PyBytes_AS_STRING(result)
+                    + reslen - rescnt;
+                --rescnt;
+            }
+            *res++ = *fmt++;
+        }
+        else {
+            /* Got a format specifier */
+            int flags = 0;
+            Py_ssize_t width = -1;
+            int prec = -1;
+            int c = '\0';
+            int fill;
+            PyObject *v = NULL;
+            PyObject *temp = NULL;
+            const char *pbuf = NULL;
+            int sign;
+            Py_ssize_t len = 0;
+            char onechar; /* For byte_converter() */
+
+            fmt++;
+            if (*fmt == '(') {
+                char *keystart;
+                Py_ssize_t keylen;
+                PyObject *key;
+                int pcount = 1;
+
+                if (dict == NULL) {
+                    PyErr_SetString(PyExc_TypeError,
+                             "format requires a mapping");
+                    goto error;
+                }
+                ++fmt;
+                --fmtcnt;
+                keystart = fmt;
+                /* Skip over balanced parentheses */
+                while (pcount > 0 && --fmtcnt >= 0) {
+                    if (*fmt == ')')
+                        --pcount;
+                    else if (*fmt == '(')
+                        ++pcount;
+                    fmt++;
+                }
+                keylen = fmt - keystart - 1;
+                if (fmtcnt < 0 || pcount > 0) {
+                    PyErr_SetString(PyExc_ValueError,
+                               "incomplete format key");
+                    goto error;
+                }
+                key = PyBytes_FromStringAndSize(keystart,
+                                                 keylen);
+                if (key == NULL)
+                    goto error;
+                if (args_owned) {
+                    Py_DECREF(args);
+                    args_owned = 0;
+                }
+                args = PyObject_GetItem(dict, key);
+                Py_DECREF(key);
+                if (args == NULL) {
+                    goto error;
+                }
+                args_owned = 1;
+                arglen = -1;
+                argidx = -2;
+            }
+            while (--fmtcnt >= 0) {
+                switch (c = *fmt++) {
+                case '-': flags |= F_LJUST; continue;
+                case '+': flags |= F_SIGN; continue;
+                case ' ': flags |= F_BLANK; continue;
+                case '#': flags |= F_ALT; continue;
+                case '0': flags |= F_ZERO; continue;
+                }
+                break;
+            }
+            if (c == '*') {
+                v = getnextarg(args, arglen, &argidx);
+                if (v == NULL)
+                    goto error;
+                if (!PyLong_Check(v)) {
+                    PyErr_SetString(PyExc_TypeError,
+                                    "* wants int");
+                    goto error;
+                }
+                width = PyLong_AsSsize_t(v);
+                if (width == -1 && PyErr_Occurred())
+                    goto error;
+                if (width < 0) {
+                    flags |= F_LJUST;
+                    width = -width;
+                }
+                if (--fmtcnt >= 0)
+                    c = *fmt++;
+            }
+            else if (c >= 0 && isdigit(c)) {
+                width = c - '0';
+                while (--fmtcnt >= 0) {
+                    c = Py_CHARMASK(*fmt++);
+                    if (!isdigit(c))
+                        break;
+                    if (width > (PY_SSIZE_T_MAX - ((int)c - '0')) / 10) {
+                        PyErr_SetString(
+                            PyExc_ValueError,
+                            "width too big");
+                        goto error;
+                    }
+                    width = width*10 + (c - '0');
+                }
+            }
+            if (c == '.') {
+                prec = 0;
+                if (--fmtcnt >= 0)
+                    c = *fmt++;
+                if (c == '*') {
+                    v = getnextarg(args, arglen, &argidx);
+                    if (v == NULL)
+                        goto error;
+                    if (!PyLong_Check(v)) {
+                        PyErr_SetString(
+                            PyExc_TypeError,
+                            "* wants int");
+                        goto error;
+                    }
+                    prec = _PyLong_AsInt(v);
+                    if (prec == -1 && PyErr_Occurred())
+                        goto error;
+                    if (prec < 0)
+                        prec = 0;
+                    if (--fmtcnt >= 0)
+                        c = *fmt++;
+                }
+                else if (c >= 0 && isdigit(c)) {
+                    prec = c - '0';
+                    while (--fmtcnt >= 0) {
+                        c = Py_CHARMASK(*fmt++);
+                        if (!isdigit(c))
+                            break;
+                        if (prec > (INT_MAX - ((int)c - '0')) / 10) {
+                            PyErr_SetString(
+                                PyExc_ValueError,
+                                "prec too big");
+                            goto error;
+                        }
+                        prec = prec*10 + (c - '0');
+                    }
+                }
+            } /* prec */
+            if (fmtcnt >= 0) {
+                if (c == 'h' || c == 'l' || c == 'L') {
+                    if (--fmtcnt >= 0)
+                        c = *fmt++;
+                }
+            }
+            if (fmtcnt < 0) {
+                PyErr_SetString(PyExc_ValueError,
+                                "incomplete format");
+                goto error;
+            }
+            if (c != '%') {
+                v = getnextarg(args, arglen, &argidx);
+                if (v == NULL)
+                    goto error;
+            }
+            sign = 0;
+            fill = ' ';
+            switch (c) {
+            case '%':
+                pbuf = "%";
+                len = 1;
+                break;
+            case 'r':
+                // %r is only for 2/3 code; 3 only code should use %a
+            case 'a':
+                temp = PyObject_ASCII(v);
+                if (temp == NULL)
+                    goto error;
+                assert(PyUnicode_IS_ASCII(temp));
+                pbuf = (const char *)PyUnicode_1BYTE_DATA(temp);
+                len = PyUnicode_GET_LENGTH(temp);
+                if (prec >= 0 && len > prec)
+                    len = prec;
+                break;
+            case 's':
+                // %s is only for 2/3 code; 3 only code should use %b
+            case 'b':
+                temp = format_obj(v, &pbuf, &len);
+                if (temp == NULL)
+                    goto error;
+                if (prec >= 0 && len > prec)
+                    len = prec;
+                break;
+            case 'i':
+            case 'd':
+            case 'u':
+            case 'o':
+            case 'x':
+            case 'X':
+                temp = formatlong(v, flags, prec, c);
+                if (!temp)
+                    goto error;
+                assert(PyUnicode_IS_ASCII(temp));
+                pbuf = (const char *)PyUnicode_1BYTE_DATA(temp);
+                len = PyUnicode_GET_LENGTH(temp);
+                sign = 1;
+                if (flags & F_ZERO)
+                    fill = '0';
+                break;
+            case 'e':
+            case 'E':
+            case 'f':
+            case 'F':
+            case 'g':
+            case 'G':
+                temp = formatfloat(v, flags, prec, c);
+                if (temp == NULL)
+                    goto error;
+                pbuf = PyBytes_AS_STRING(temp);
+                len = PyBytes_GET_SIZE(temp);
+                sign = 1;
+                if (flags & F_ZERO)
+                    fill = '0';
+                break;
+            case 'c':
+                pbuf = &onechar;
+                len = byte_converter(v, &onechar);
+                if (!len)
+                    goto error;
+                break;
+            default:
+                PyErr_Format(PyExc_ValueError,
+                  "unsupported format character '%c' (0x%x) "
+                  "at index %zd",
+                  c, c,
+                  (Py_ssize_t)(fmt - 1 -
+                               PyBytes_AsString(format)));
+                goto error;
+            }
+            if (sign) {
+                if (*pbuf == '-' || *pbuf == '+') {
+                    sign = *pbuf++;
+                    len--;
+                }
+                else if (flags & F_SIGN)
+                    sign = '+';
+                else if (flags & F_BLANK)
+                    sign = ' ';
+                else
+                    sign = 0;
+            }
+            if (width < len)
+                width = len;
+            if (rescnt - (sign != 0) < width) {
+                reslen -= rescnt;
+                rescnt = width + fmtcnt + 100;
+                reslen += rescnt;
+                if (reslen < 0) {
+                    Py_DECREF(result);
+                    Py_XDECREF(temp);
+                    return PyErr_NoMemory();
+                }
+                if (_PyBytes_Resize(&result, reslen)) {
+                    Py_XDECREF(temp);
+                    return NULL;
+                }
+                res = PyBytes_AS_STRING(result)
+                    + reslen - rescnt;
+            }
+            if (sign) {
+                if (fill != ' ')
+                    *res++ = sign;
+                rescnt--;
+                if (width > len)
+                    width--;
+            }
+            if ((flags & F_ALT) && (c == 'x' || c == 'X')) {
+                assert(pbuf[0] == '0');
+                assert(pbuf[1] == c);
+                if (fill != ' ') {
+                    *res++ = *pbuf++;
+                    *res++ = *pbuf++;
+                }
+                rescnt -= 2;
+                width -= 2;
+                if (width < 0)
+                    width = 0;
+                len -= 2;
+            }
+            if (width > len && !(flags & F_LJUST)) {
+                do {
+                    --rescnt;
+                    *res++ = fill;
+                } while (--width > len);
+            }
+            if (fill == ' ') {
+                if (sign)
+                    *res++ = sign;
+                if ((flags & F_ALT) &&
+                    (c == 'x' || c == 'X')) {
+                    assert(pbuf[0] == '0');
+                    assert(pbuf[1] == c);
+                    *res++ = *pbuf++;
+                    *res++ = *pbuf++;
+                }
+            }
+            Py_MEMCPY(res, pbuf, len);
+            res += len;
+            rescnt -= len;
+            while (--width >= len) {
+                --rescnt;
+                *res++ = ' ';
+            }
+            if (dict && (argidx < arglen) && c != '%') {
+                PyErr_SetString(PyExc_TypeError,
+                           "not all arguments converted during bytes formatting");
+                Py_XDECREF(temp);
+                goto error;
+            }
+            Py_XDECREF(temp);
+        } /* '%' */
+    } /* until end */
+    if (argidx < arglen && !dict) {
+        PyErr_SetString(PyExc_TypeError,
+                        "not all arguments converted during bytes formatting");
+        goto error;
+    }
+    if (args_owned) {
+        Py_DECREF(args);
+    }
+    if (_PyBytes_Resize(&result, reslen - rescnt))
+        return NULL;
+    return result;
+
+ error:
+    Py_DECREF(result);
+    if (args_owned) {
+        Py_DECREF(args);
+    }
+    return NULL;
+}
+
+/* =-= */
+
 static void
 bytes_dealloc(PyObject *op)
 {
@@ -540,8 +1142,8 @@ PyBytes_AsStringAndSize(PyObject *obj,
     if (len != NULL)
         *len = PyBytes_GET_SIZE(obj);
     else if (strlen(*s) != (size_t)PyBytes_GET_SIZE(obj)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "expected bytes with no null");
+        PyErr_SetString(PyExc_ValueError,
+                        "embedded null byte");
         return -1;
     }
     return 0;
@@ -819,14 +1421,23 @@ bytes_richcompare(PyBytesObject *a, PyBytesObject *b, int op)
 
     /* Make sure both arguments are strings. */
     if (!(PyBytes_Check(a) && PyBytes_Check(b))) {
-        if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE) &&
-            (PyObject_IsInstance((PyObject*)a,
-                                 (PyObject*)&PyUnicode_Type) ||
-            PyObject_IsInstance((PyObject*)b,
-                                 (PyObject*)&PyUnicode_Type))) {
-            if (PyErr_WarnEx(PyExc_BytesWarning,
-                        "Comparison between bytes and string", 1))
-                return NULL;
+        if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE)) {
+            if (PyObject_IsInstance((PyObject*)a,
+                                    (PyObject*)&PyUnicode_Type) ||
+                PyObject_IsInstance((PyObject*)b,
+                                    (PyObject*)&PyUnicode_Type)) {
+                if (PyErr_WarnEx(PyExc_BytesWarning,
+                            "Comparison between bytes and string", 1))
+                    return NULL;
+            }
+            else if (PyObject_IsInstance((PyObject*)a,
+                                    (PyObject*)&PyLong_Type) ||
+                PyObject_IsInstance((PyObject*)b,
+                                    (PyObject*)&PyLong_Type)) {
+                if (PyErr_WarnEx(PyExc_BytesWarning,
+                            "Comparison between bytes and int", 1))
+                    return NULL;
+            }
         }
         result = Py_NotImplemented;
     }
@@ -951,7 +1562,7 @@ bytes_subscript(PyBytesObject* self, PyObject* item)
     }
     else {
         PyErr_Format(PyExc_TypeError,
-                     "byte indices must be integers, not %.200s",
+                     "byte indices must be integers or slices, not %.200s",
                      Py_TYPE(item)->tp_name);
         return NULL;
     }
@@ -991,37 +1602,34 @@ static PyBufferProcs bytes_as_buffer = {
 #define RIGHTSTRIP 1
 #define BOTHSTRIP 2
 
-/* Arrays indexed by above */
-static const char *stripformat[] = {"|O:lstrip", "|O:rstrip", "|O:strip"};
+/*[clinic input]
+bytes.split
 
-#define STRIPNAME(i) (stripformat[i]+3)
+    sep: object = None
+        The delimiter according which to split the bytes.
+        None (the default value) means split on ASCII whitespace characters
+        (space, tab, return, newline, formfeed, vertical tab).
+    maxsplit: Py_ssize_t = -1
+        Maximum number of splits to do.
+        -1 (the default value) means no limit.
 
-PyDoc_STRVAR(split__doc__,
-"B.split(sep=None, maxsplit=-1) -> list of bytes\n\
-\n\
-Return a list of the sections in B, using sep as the delimiter.\n\
-If sep is not specified or is None, B is split on ASCII whitespace\n\
-characters (space, tab, return, newline, formfeed, vertical tab).\n\
-If maxsplit is given, at most maxsplit splits are done.");
+Return a list of the sections in the bytes, using sep as the delimiter.
+[clinic start generated code]*/
 
 static PyObject *
-bytes_split(PyBytesObject *self, PyObject *args, PyObject *kwds)
+bytes_split_impl(PyBytesObject*self, PyObject *sep, Py_ssize_t maxsplit)
+/*[clinic end generated code: output=8bde44dacb36ef2e input=8b809b39074abbfa]*/
 {
-    static char *kwlist[] = {"sep", "maxsplit", 0};
     Py_ssize_t len = PyBytes_GET_SIZE(self), n;
-    Py_ssize_t maxsplit = -1;
     const char *s = PyBytes_AS_STRING(self), *sub;
     Py_buffer vsub;
-    PyObject *list, *subobj = Py_None;
+    PyObject *list;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|On:split",
-                                     kwlist, &subobj, &maxsplit))
-        return NULL;
     if (maxsplit < 0)
         maxsplit = PY_SSIZE_T_MAX;
-    if (subobj == Py_None)
+    if (sep == Py_None)
         return stringlib_split_whitespace((PyObject*) self, s, len, maxsplit);
-    if (PyObject_GetBuffer(subobj, &vsub, PyBUF_SIMPLE) != 0)
+    if (PyObject_GetBuffer(sep, &vsub, PyBUF_SIMPLE) != 0)
         return NULL;
     sub = vsub.buf;
     n = vsub.len;
@@ -1031,85 +1639,84 @@ bytes_split(PyBytesObject *self, PyObject *args, PyObject *kwds)
     return list;
 }
 
-PyDoc_STRVAR(partition__doc__,
-"B.partition(sep) -> (head, sep, tail)\n\
-\n\
-Search for the separator sep in B, and return the part before it,\n\
-the separator itself, and the part after it.  If the separator is not\n\
-found, returns B and two empty bytes objects.");
+/*[clinic input]
+bytes.partition
 
-static PyObject *
-bytes_partition(PyBytesObject *self, PyObject *sep_obj)
-{
-    Py_buffer sep = {NULL, NULL};
-    PyObject *res;
+    self: self(type="PyBytesObject *")
+    sep: Py_buffer
+    /
 
-    if (PyObject_GetBuffer(sep_obj, &sep, PyBUF_SIMPLE) != 0)
-        return NULL;
+Partition the bytes into three parts using the given separator.
+
+This will search for the separator sep in the bytes. If the separator is found,
+returns a 3-tuple containing the part before the separator, the separator
+itself, and the part after it.
+
+If the separator is not found, returns a 3-tuple containing the original bytes
+object and two empty bytes objects.
+[clinic start generated code]*/
 
-    res = stringlib_partition(
+static PyObject *
+bytes_partition_impl(PyBytesObject *self, Py_buffer *sep)
+/*[clinic end generated code: output=f532b392a17ff695 input=bc855dc63ca949de]*/
+{
+    return stringlib_partition(
         (PyObject*) self,
         PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
-        sep_obj, sep.buf, sep.len
+        sep->obj, (const char *)sep->buf, sep->len
         );
-    PyBuffer_Release(&sep);
-    return res;
 }
 
-PyDoc_STRVAR(rpartition__doc__,
-"B.rpartition(sep) -> (head, sep, tail)\n\
-\n\
-Search for the separator sep in B, starting at the end of B,\n\
-and return the part before it, the separator itself, and the\n\
-part after it.  If the separator is not found, returns two empty\n\
-bytes objects and B.");
+/*[clinic input]
+bytes.rpartition
 
-static PyObject *
-bytes_rpartition(PyBytesObject *self, PyObject *sep_obj)
-{
-    Py_buffer sep = {NULL, NULL};
-    PyObject *res;
+    self: self(type="PyBytesObject *")
+    sep: Py_buffer
+    /
 
-    if (PyObject_GetBuffer(sep_obj, &sep, PyBUF_SIMPLE) != 0)
-        return NULL;
+Partition the bytes into three parts using the given separator.
+
+This will search for the separator sep in the bytes, starting and the end. If
+the separator is found, returns a 3-tuple containing the part before the
+separator, the separator itself, and the part after it.
 
-    res = stringlib_rpartition(
+If the separator is not found, returns a 3-tuple containing two empty bytes
+objects and the original bytes object.
+[clinic start generated code]*/
+
+static PyObject *
+bytes_rpartition_impl(PyBytesObject *self, Py_buffer *sep)
+/*[clinic end generated code: output=191b114cbb028e50 input=6588fff262a9170e]*/
+{
+    return stringlib_rpartition(
         (PyObject*) self,
         PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
-        sep_obj, sep.buf, sep.len
+        sep->obj, (const char *)sep->buf, sep->len
         );
-    PyBuffer_Release(&sep);
-    return res;
 }
 
-PyDoc_STRVAR(rsplit__doc__,
-"B.rsplit(sep=None, maxsplit=-1) -> list of bytes\n\
-\n\
-Return a list of the sections in B, using sep as the delimiter,\n\
-starting at the end of B and working to the front.\n\
-If sep is not given, B is split on ASCII whitespace characters\n\
-(space, tab, return, newline, formfeed, vertical tab).\n\
-If maxsplit is given, at most maxsplit splits are done.");
+/*[clinic input]
+bytes.rsplit = bytes.split
 
+Return a list of the sections in the bytes, using sep as the delimiter.
+
+Splitting is done starting at the end of the bytes and working to the front.
+[clinic start generated code]*/
 
 static PyObject *
-bytes_rsplit(PyBytesObject *self, PyObject *args, PyObject *kwds)
+bytes_rsplit_impl(PyBytesObject*self, PyObject *sep, Py_ssize_t maxsplit)
+/*[clinic end generated code: output=0b6570b977911d88 input=0f86c9f28f7d7b7b]*/
 {
-    static char *kwlist[] = {"sep", "maxsplit", 0};
     Py_ssize_t len = PyBytes_GET_SIZE(self), n;
-    Py_ssize_t maxsplit = -1;
     const char *s = PyBytes_AS_STRING(self), *sub;
     Py_buffer vsub;
-    PyObject *list, *subobj = Py_None;
+    PyObject *list;
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|On:rsplit",
-                                     kwlist, &subobj, &maxsplit))
-        return NULL;
     if (maxsplit < 0)
         maxsplit = PY_SSIZE_T_MAX;
-    if (subobj == Py_None)
+    if (sep == Py_None)
         return stringlib_rsplit_whitespace((PyObject*) self, s, len, maxsplit);
-    if (PyObject_GetBuffer(subobj, &vsub, PyBUF_SIMPLE) != 0)
+    if (PyObject_GetBuffer(sep, &vsub, PyBUF_SIMPLE) != 0)
         return NULL;
     sub = vsub.buf;
     n = vsub.len;
@@ -1120,16 +1727,26 @@ bytes_rsplit(PyBytesObject *self, PyObject *args, PyObject *kwds)
 }
 
 
-PyDoc_STRVAR(join__doc__,
-"B.join(iterable_of_bytes) -> bytes\n\
-\n\
-Concatenate any number of bytes objects, with B in between each pair.\n\
-Example: b'.'.join([b'ab', b'pq', b'rs']) -> b'ab.pq.rs'.");
+/*[clinic input]
+bytes.join
+
+    iterable_of_bytes: object
+    /
+
+Concatenate any number of bytes objects.
+
+The bytes whose method is called is inserted in between each pair.
+
+The result is returned as a new bytes object.
+
+Example: b'.'.join([b'ab', b'pq', b'rs']) -> b'ab.pq.rs'.
+[clinic start generated code]*/
 
 static PyObject *
-bytes_join(PyObject *self, PyObject *iterable)
+bytes_join(PyBytesObject*self, PyObject *iterable_of_bytes)
+/*[clinic end generated code: output=634aff14764ff997 input=7fe377b95bd549d2]*/
 {
-    return stringlib_bytes_join(self, iterable);
+    return stringlib_bytes_join((PyObject*)self, iterable_of_bytes);
 }
 
 PyObject *
@@ -1137,7 +1754,7 @@ _PyBytes_Join(PyObject *sep, PyObject *x)
 {
     assert(sep != NULL && PyBytes_Check(sep));
     assert(x != NULL);
-    return bytes_join(sep, x);
+    return bytes_join((PyBytesObject*)sep, x);
 }
 
 /* helper macro to fixup start/end slice values */
@@ -1162,7 +1779,7 @@ bytes_find_internal(PyBytesObject *self, PyObject *args, int dir)
     char byte;
     Py_buffer subbuf;
     const char *sub;
-    Py_ssize_t sub_len;
+    Py_ssize_t len, sub_len;
     Py_ssize_t start=0, end=PY_SSIZE_T_MAX;
     Py_ssize_t res;
 
@@ -1181,15 +1798,30 @@ bytes_find_internal(PyBytesObject *self, PyObject *args, int dir)
         sub = &byte;
         sub_len = 1;
     }
+    len = PyBytes_GET_SIZE(self);
 
-    if (dir > 0)
-        res = stringlib_find_slice(
-            PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
-            sub, sub_len, start, end);
-    else
-        res = stringlib_rfind_slice(
-            PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
-            sub, sub_len, start, end);
+    ADJUST_INDICES(start, end, len);
+    if (end - start < sub_len)
+        res = -1;
+    /* Issue #23573: FIXME, windows has no memrchr() */
+    else if (sub_len == 1 && dir > 0) {
+        unsigned char needle = *sub;
+        res = stringlib_fastsearch_memchr_1char(
+            PyBytes_AS_STRING(self) + start, end - start,
+            needle, needle, FAST_SEARCH);
+        if (res >= 0)
+            res += start;
+    }
+    else {
+        if (dir > 0)
+            res = stringlib_find_slice(
+                PyBytes_AS_STRING(self), len,
+                sub, sub_len, start, end);
+        else
+            res = stringlib_rfind_slice(
+                PyBytes_AS_STRING(self), len,
+                sub, sub_len, start, end);
+    }
 
     if (subobj)
         PyBuffer_Release(&subbuf);
@@ -1348,62 +1980,69 @@ do_strip(PyBytesObject *self, int striptype)
 
 
 Py_LOCAL_INLINE(PyObject *)
-do_argstrip(PyBytesObject *self, int striptype, PyObject *args)
+do_argstrip(PyBytesObject *self, int striptype, PyObject *bytes)
 {
-    PyObject *sep = NULL;
-
-    if (!PyArg_ParseTuple(args, stripformat[striptype], &sep))
-        return NULL;
-
-    if (sep != NULL && sep != Py_None) {
-        return do_xstrip(self, striptype, sep);
+    if (bytes != NULL && bytes != Py_None) {
+        return do_xstrip(self, striptype, bytes);
     }
     return do_strip(self, striptype);
 }
 
+/*[clinic input]
+bytes.strip
+
+    self: self(type="PyBytesObject *")
+    bytes: object = None
+    /
+
+Strip leading and trailing bytes contained in the argument.
+
+If the argument is omitted or None, strip leading and trailing ASCII whitespace.
+[clinic start generated code]*/
 
-PyDoc_STRVAR(strip__doc__,
-"B.strip([bytes]) -> bytes\n\
-\n\
-Strip leading and trailing bytes contained in the argument.\n\
-If the argument is omitted, strip leading and trailing ASCII whitespace.");
 static PyObject *
-bytes_strip(PyBytesObject *self, PyObject *args)
+bytes_strip_impl(PyBytesObject *self, PyObject *bytes)
+/*[clinic end generated code: output=c7c228d3bd104a1b input=37daa5fad1395d95]*/
 {
-    if (PyTuple_GET_SIZE(args) == 0)
-        return do_strip(self, BOTHSTRIP); /* Common case */
-    else
-        return do_argstrip(self, BOTHSTRIP, args);
+    return do_argstrip(self, BOTHSTRIP, bytes);
 }
 
+/*[clinic input]
+bytes.lstrip
+
+    self: self(type="PyBytesObject *")
+    bytes: object = None
+    /
+
+Strip leading bytes contained in the argument.
+
+If the argument is omitted or None, strip leading  ASCII whitespace.
+[clinic start generated code]*/
 
-PyDoc_STRVAR(lstrip__doc__,
-"B.lstrip([bytes]) -> bytes\n\
-\n\
-Strip leading bytes contained in the argument.\n\
-If the argument is omitted, strip leading ASCII whitespace.");
 static PyObject *
-bytes_lstrip(PyBytesObject *self, PyObject *args)
+bytes_lstrip_impl(PyBytesObject *self, PyObject *bytes)
+/*[clinic end generated code: output=28602e586f524e82 input=88811b09dfbc2988]*/
 {
-    if (PyTuple_GET_SIZE(args) == 0)
-        return do_strip(self, LEFTSTRIP); /* Common case */
-    else
-        return do_argstrip(self, LEFTSTRIP, args);
+    return do_argstrip(self, LEFTSTRIP, bytes);
 }
 
+/*[clinic input]
+bytes.rstrip
+
+    self: self(type="PyBytesObject *")
+    bytes: object = None
+    /
+
+Strip trailing bytes contained in the argument.
+
+If the argument is omitted or None, strip trailing ASCII whitespace.
+[clinic start generated code]*/
 
-PyDoc_STRVAR(rstrip__doc__,
-"B.rstrip([bytes]) -> bytes\n\
-\n\
-Strip trailing bytes contained in the argument.\n\
-If the argument is omitted, strip trailing ASCII whitespace.");
 static PyObject *
-bytes_rstrip(PyBytesObject *self, PyObject *args)
+bytes_rstrip_impl(PyBytesObject *self, PyObject *bytes)
+/*[clinic end generated code: output=547e3815c95447da input=8f93c9cd361f0140]*/
 {
-    if (PyTuple_GET_SIZE(args) == 0)
-        return do_strip(self, RIGHTSTRIP); /* Common case */
-    else
-        return do_argstrip(self, RIGHTSTRIP, args);
+    return do_argstrip(self, RIGHTSTRIP, bytes);
 }
 
 
@@ -1455,45 +2094,51 @@ bytes_count(PyBytesObject *self, PyObject *args)
 }
 
 
-PyDoc_STRVAR(translate__doc__,
-"B.translate(table[, deletechars]) -> bytes\n\
-\n\
-Return a copy of B, where all characters occurring in the\n\
-optional argument deletechars are removed, and the remaining\n\
-characters have been mapped through the given translation\n\
-table, which must be a bytes object of length 256.");
+/*[clinic input]
+bytes.translate
+
+    self: self(type="PyBytesObject *")
+    table: object
+        Translation table, which must be a bytes object of length 256.
+    [
+    deletechars: object
+    ]
+    /
+
+Return a copy with each character mapped by the given translation table.
+
+All characters occurring in the optional argument deletechars are removed.
+The remaining characters are mapped through the given translation table.
+[clinic start generated code]*/
 
 static PyObject *
-bytes_translate(PyBytesObject *self, PyObject *args)
+bytes_translate_impl(PyBytesObject *self, PyObject *table, int group_right_1,
+                     PyObject *deletechars)
+/*[clinic end generated code: output=233df850eb50bf8d input=d8fa5519d7cc4be7]*/
 {
     char *input, *output;
     Py_buffer table_view = {NULL, NULL};
     Py_buffer del_table_view = {NULL, NULL};
-    const char *table;
+    const char *table_chars;
     Py_ssize_t i, c, changed = 0;
     PyObject *input_obj = (PyObject*)self;
-    const char *output_start, *del_table=NULL;
+    const char *output_start, *del_table_chars=NULL;
     Py_ssize_t inlen, tablen, dellen = 0;
     PyObject *result;
     int trans_table[256];
-    PyObject *tableobj, *delobj = NULL;
 
-    if (!PyArg_UnpackTuple(args, "translate", 1, 2,
-                          &tableobj, &delobj))
-        return NULL;
-
-    if (PyBytes_Check(tableobj)) {
-        table = PyBytes_AS_STRING(tableobj);
-        tablen = PyBytes_GET_SIZE(tableobj);
+    if (PyBytes_Check(table)) {
+        table_chars = PyBytes_AS_STRING(table);
+        tablen = PyBytes_GET_SIZE(table);
     }
-    else if (tableobj == Py_None) {
-        table = NULL;
+    else if (table == Py_None) {
+        table_chars = NULL;
         tablen = 256;
     }
     else {
-        if (PyObject_GetBuffer(tableobj, &table_view, PyBUF_SIMPLE) != 0)
+        if (PyObject_GetBuffer(table, &table_view, PyBUF_SIMPLE) != 0)
             return NULL;
-        table = table_view.buf;
+        table_chars = table_view.buf;
         tablen = table_view.len;
     }
 
@@ -1504,22 +2149,22 @@ bytes_translate(PyBytesObject *self, PyObject *args)
         return NULL;
     }
 
-    if (delobj != NULL) {
-        if (PyBytes_Check(delobj)) {
-            del_table = PyBytes_AS_STRING(delobj);
-            dellen = PyBytes_GET_SIZE(delobj);
+    if (deletechars != NULL) {
+        if (PyBytes_Check(deletechars)) {
+            del_table_chars = PyBytes_AS_STRING(deletechars);
+            dellen = PyBytes_GET_SIZE(deletechars);
         }
         else {
-            if (PyObject_GetBuffer(delobj, &del_table_view, PyBUF_SIMPLE) != 0) {
+            if (PyObject_GetBuffer(deletechars, &del_table_view, PyBUF_SIMPLE) != 0) {
                 PyBuffer_Release(&table_view);
                 return NULL;
             }
-            del_table = del_table_view.buf;
+            del_table_chars = del_table_view.buf;
             dellen = del_table_view.len;
         }
     }
     else {
-        del_table = NULL;
+        del_table_chars = NULL;
         dellen = 0;
     }
 
@@ -1533,11 +2178,11 @@ bytes_translate(PyBytesObject *self, PyObject *args)
     output_start = output = PyBytes_AsString(result);
     input = PyBytes_AS_STRING(input_obj);
 
-    if (dellen == 0 && table != NULL) {
+    if (dellen == 0 && table_chars != NULL) {
         /* If no deletions are required, use faster code */
         for (i = inlen; --i >= 0; ) {
             c = Py_CHARMASK(*input++);
-            if (Py_CHARMASK((*output++ = table[c])) != c)
+            if (Py_CHARMASK((*output++ = table_chars[c])) != c)
                 changed = 1;
         }
         if (!changed && PyBytes_CheckExact(input_obj)) {
@@ -1550,17 +2195,17 @@ bytes_translate(PyBytesObject *self, PyObject *args)
         return result;
     }
 
-    if (table == NULL) {
+    if (table_chars == NULL) {
         for (i = 0; i < 256; i++)
             trans_table[i] = Py_CHARMASK(i);
     } else {
         for (i = 0; i < 256; i++)
-            trans_table[i] = Py_CHARMASK(table[i]);
+            trans_table[i] = Py_CHARMASK(table_chars[i]);
     }
     PyBuffer_Release(&table_view);
 
     for (i = 0; i < dellen; i++)
-        trans_table[(int) Py_CHARMASK(del_table[i])] = -1;
+        trans_table[(int) Py_CHARMASK(del_table_chars[i])] = -1;
     PyBuffer_Release(&del_table_view);
 
     for (i = inlen; --i >= 0; ) {
@@ -1582,10 +2227,28 @@ bytes_translate(PyBytesObject *self, PyObject *args)
 }
 
 
+/*[clinic input]
+
+@staticmethod
+bytes.maketrans
+
+    frm: Py_buffer
+    to: Py_buffer
+    /
+
+Return a translation table useable for the bytes or bytearray translate method.
+
+The returned table will be one where each byte in frm is mapped to the byte at
+the same position in to.
+
+The bytes objects frm and to must be of the same length.
+[clinic start generated code]*/
+
 static PyObject *
-bytes_maketrans(PyObject *null, PyObject *args)
+bytes_maketrans_impl(Py_buffer *frm, Py_buffer *to)
+/*[clinic end generated code: output=a36f6399d4b77f6f input=de7a8fc5632bb8f1]*/
 {
-    return _Py_bytes_maketrans(args);
+    return _Py_bytes_maketrans(frm, to);
 }
 
 /* find and count characters and substrings */
@@ -2080,31 +2743,31 @@ replace(PyBytesObject *self,
     }
 }
 
-PyDoc_STRVAR(replace__doc__,
-"B.replace(old, new[, count]) -> bytes\n\
-\n\
-Return a copy of B with all occurrences of subsection\n\
-old replaced by new.  If the optional argument count is\n\
-given, only first count occurances are replaced.");
 
-static PyObject *
-bytes_replace(PyBytesObject *self, PyObject *args)
-{
-    PyObject *res;
-    Py_buffer old = {NULL, NULL};
-    Py_buffer new = {NULL, NULL};
-    Py_ssize_t count = -1;
+/*[clinic input]
+bytes.replace
 
-    if (!PyArg_ParseTuple(args, "y*y*|n:replace", &old, &new, &count))
-        return NULL;
+    old: Py_buffer
+    new: Py_buffer
+    count: Py_ssize_t = -1
+        Maximum number of occurrences to replace.
+        -1 (the default value) means replace all occurrences.
+    /
 
-    res = (PyObject *)replace((PyBytesObject *) self,
-                              (const char *)old.buf, old.len,
-                              (const char *)new.buf, new.len, count);
+Return a copy with all occurrences of substring old replaced by new.
 
-    PyBuffer_Release(&old);
-    PyBuffer_Release(&new);
-    return res;
+If the optional argument count is given, only the first count occurrences are
+replaced.
+[clinic start generated code]*/
+
+static PyObject *
+bytes_replace_impl(PyBytesObject*self, Py_buffer *old, Py_buffer *new,
+                   Py_ssize_t count)
+/*[clinic end generated code: output=403dc9d7a83c5a1d input=b2fbbf0bf04de8e5]*/
+{
+    return (PyObject *)replace((PyBytesObject *) self,
+                               (const char *)old->buf, old->len,
+                               (const char *)new->buf, new->len, count);
 }
 
 /** End DALKE **/
@@ -2251,60 +2914,51 @@ bytes_endswith(PyBytesObject *self, PyObject *args)
 }
 
 
-PyDoc_STRVAR(decode__doc__,
-"B.decode(encoding='utf-8', errors='strict') -> str\n\
-\n\
-Decode B using the codec registered for encoding. Default encoding\n\
-is 'utf-8'. errors may be given to set a different error\n\
-handling scheme.  Default is 'strict' meaning that encoding errors raise\n\
-a UnicodeDecodeError.  Other possible values are 'ignore' and 'replace'\n\
-as well as any other name registerd with codecs.register_error that is\n\
-able to handle UnicodeDecodeErrors.");
+/*[clinic input]
+bytes.decode
+
+    encoding: str(c_default="NULL") = 'utf-8'
+        The encoding with which to decode the bytes.
+    errors: str(c_default="NULL") = 'strict'
+        The error handling scheme to use for the handling of decoding errors.
+        The default is 'strict' meaning that decoding errors raise a
+        UnicodeDecodeError. Other possible values are 'ignore' and 'replace'
+        as well as any other name registered with codecs.register_error that
+        can handle UnicodeDecodeErrors.
+
+Decode the bytes using the codec registered for encoding.
+[clinic start generated code]*/
 
 static PyObject *
-bytes_decode(PyObject *self, PyObject *args, PyObject *kwargs)
+bytes_decode_impl(PyBytesObject*self, const char *encoding,
+                  const char *errors)
+/*[clinic end generated code: output=2d2016ff8e0bb176 input=958174769d2a40ca]*/
 {
-    const char *encoding = NULL;
-    const char *errors = NULL;
-    static char *kwlist[] = {"encoding", "errors", 0};
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss:decode", kwlist, &encoding, &errors))
-        return NULL;
-    return PyUnicode_FromEncodedObject(self, encoding, errors);
+    return PyUnicode_FromEncodedObject((PyObject*)self, encoding, errors);
 }
 
 
-PyDoc_STRVAR(splitlines__doc__,
-"B.splitlines([keepends]) -> list of lines\n\
-\n\
-Return a list of the lines in B, breaking at line boundaries.\n\
-Line breaks are not included in the resulting list unless keepends\n\
-is given and true.");
+/*[clinic input]
+bytes.splitlines
 
-static PyObject*
-bytes_splitlines(PyObject *self, PyObject *args, PyObject *kwds)
-{
-    static char *kwlist[] = {"keepends", 0};
-    int keepends = 0;
+    keepends: int(py_default="False") = 0
 
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i:splitlines",
-                                     kwlist, &keepends))
-        return NULL;
+Return a list of the lines in the bytes, breaking at line boundaries.
 
+Line breaks are not included in the resulting list unless keepends is given and
+true.
+[clinic start generated code]*/
+
+static PyObject *
+bytes_splitlines_impl(PyBytesObject*self, int keepends)
+/*[clinic end generated code: output=995c3598f7833cad input=ddb93e3351080c8c]*/
+{
     return stringlib_splitlines(
         (PyObject*) self, PyBytes_AS_STRING(self),
         PyBytes_GET_SIZE(self), keepends
         );
 }
 
-
-PyDoc_STRVAR(fromhex_doc,
-"bytes.fromhex(string) -> bytes\n\
-\n\
-Create a bytes object from a string of hexadecimal numbers.\n\
-Spaces between two numbers are accepted.\n\
-Example: bytes.fromhex('B9 01EF') -> b'\\xb9\\x01\\xef'.");
-
 static int
 hex_digit_to_int(Py_UCS4 c)
 {
@@ -2321,24 +2975,36 @@ hex_digit_to_int(Py_UCS4 c)
     return -1;
 }
 
+/*[clinic input]
+@classmethod
+bytes.fromhex
+
+    string: unicode
+    /
+
+Create a bytes object from a string of hexadecimal numbers.
+
+Spaces between two numbers are accepted.
+Example: bytes.fromhex('B9 01EF') -> b'\\xb9\\x01\\xef'.
+[clinic start generated code]*/
+
 static PyObject *
-bytes_fromhex(PyObject *cls, PyObject *args)
+bytes_fromhex_impl(PyTypeObject *type, PyObject *string)
+/*[clinic end generated code: output=0973acc63661bb2e input=bf4d1c361670acd3]*/
 {
-    PyObject *newstring, *hexobj;
+    PyObject *newstring;
     char *buf;
     Py_ssize_t hexlen, byteslen, i, j;
     int top, bot;
     void *data;
     unsigned int kind;
 
-    if (!PyArg_ParseTuple(args, "U:fromhex", &hexobj))
+    assert(PyUnicode_Check(string));
+    if (PyUnicode_READY(string))
         return NULL;
-    assert(PyUnicode_Check(hexobj));
-    if (PyUnicode_READY(hexobj))
-        return NULL;
-    kind = PyUnicode_KIND(hexobj);
-    data = PyUnicode_DATA(hexobj);
-    hexlen = PyUnicode_GET_LENGTH(hexobj);
+    kind = PyUnicode_KIND(string);
+    data = PyUnicode_DATA(string);
+    hexlen = PyUnicode_GET_LENGTH(string);
 
     byteslen = hexlen/2; /* This overestimates if there are spaces */
     newstring = PyBytes_FromStringAndSize(NULL, byteslen);
@@ -2384,14 +3050,13 @@ bytes_methods[] = {
      _Py_capitalize__doc__},
     {"center", (PyCFunction)stringlib_center, METH_VARARGS, center__doc__},
     {"count", (PyCFunction)bytes_count, METH_VARARGS, count__doc__},
-    {"decode", (PyCFunction)bytes_decode, METH_VARARGS | METH_KEYWORDS, decode__doc__},
+    BYTES_DECODE_METHODDEF
     {"endswith", (PyCFunction)bytes_endswith, METH_VARARGS,
      endswith__doc__},
     {"expandtabs", (PyCFunction)stringlib_expandtabs, METH_VARARGS | METH_KEYWORDS,
      expandtabs__doc__},
     {"find", (PyCFunction)bytes_find, METH_VARARGS, find__doc__},
-    {"fromhex", (PyCFunction)bytes_fromhex, METH_VARARGS|METH_CLASS,
-     fromhex_doc},
+    BYTES_FROMHEX_METHODDEF
     {"index", (PyCFunction)bytes_index, METH_VARARGS, index__doc__},
     {"isalnum", (PyCFunction)stringlib_isalnum, METH_NOARGS,
      _Py_isalnum__doc__},
@@ -2407,38 +3072,49 @@ bytes_methods[] = {
      _Py_istitle__doc__},
     {"isupper", (PyCFunction)stringlib_isupper, METH_NOARGS,
      _Py_isupper__doc__},
-    {"join", (PyCFunction)bytes_join, METH_O, join__doc__},
+    BYTES_JOIN_METHODDEF
     {"ljust", (PyCFunction)stringlib_ljust, METH_VARARGS, ljust__doc__},
     {"lower", (PyCFunction)stringlib_lower, METH_NOARGS, _Py_lower__doc__},
-    {"lstrip", (PyCFunction)bytes_lstrip, METH_VARARGS, lstrip__doc__},
-    {"maketrans", (PyCFunction)bytes_maketrans, METH_VARARGS|METH_STATIC,
-     _Py_maketrans__doc__},
-    {"partition", (PyCFunction)bytes_partition, METH_O, partition__doc__},
-    {"replace", (PyCFunction)bytes_replace, METH_VARARGS, replace__doc__},
+    BYTES_LSTRIP_METHODDEF
+    BYTES_MAKETRANS_METHODDEF
+    BYTES_PARTITION_METHODDEF
+    BYTES_REPLACE_METHODDEF
     {"rfind", (PyCFunction)bytes_rfind, METH_VARARGS, rfind__doc__},
     {"rindex", (PyCFunction)bytes_rindex, METH_VARARGS, rindex__doc__},
     {"rjust", (PyCFunction)stringlib_rjust, METH_VARARGS, rjust__doc__},
-    {"rpartition", (PyCFunction)bytes_rpartition, METH_O,
-     rpartition__doc__},
-    {"rsplit", (PyCFunction)bytes_rsplit, METH_VARARGS | METH_KEYWORDS, rsplit__doc__},
-    {"rstrip", (PyCFunction)bytes_rstrip, METH_VARARGS, rstrip__doc__},
-    {"split", (PyCFunction)bytes_split, METH_VARARGS | METH_KEYWORDS, split__doc__},
-    {"splitlines", (PyCFunction)bytes_splitlines, METH_VARARGS | METH_KEYWORDS,
-     splitlines__doc__},
+    BYTES_RPARTITION_METHODDEF
+    BYTES_RSPLIT_METHODDEF
+    BYTES_RSTRIP_METHODDEF
+    BYTES_SPLIT_METHODDEF
+    BYTES_SPLITLINES_METHODDEF
     {"startswith", (PyCFunction)bytes_startswith, METH_VARARGS,
      startswith__doc__},
-    {"strip", (PyCFunction)bytes_strip, METH_VARARGS, strip__doc__},
+    BYTES_STRIP_METHODDEF
     {"swapcase", (PyCFunction)stringlib_swapcase, METH_NOARGS,
      _Py_swapcase__doc__},
     {"title", (PyCFunction)stringlib_title, METH_NOARGS, _Py_title__doc__},
-    {"translate", (PyCFunction)bytes_translate, METH_VARARGS,
-     translate__doc__},
+    BYTES_TRANSLATE_METHODDEF
     {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__},
     {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__},
     {NULL,     NULL}                         /* sentinel */
 };
 
 static PyObject *
+bytes_mod(PyObject *v, PyObject *w)
+{
+    if (!PyBytes_Check(v))
+        Py_RETURN_NOTIMPLEMENTED;
+    return _PyBytes_Format(v, w);
+}
+
+static PyNumberMethods bytes_as_number = {
+    0,              /*nb_add*/
+    0,              /*nb_subtract*/
+    0,              /*nb_multiply*/
+    bytes_mod,      /*nb_remainder*/
+};
+
+static PyObject *
 str_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
 
 static PyObject *
@@ -2465,7 +3141,7 @@ bytes_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
                             "argument");
             return NULL;
         }
-        return PyBytes_FromString("");
+        return PyBytes_FromStringAndSize(NULL, 0);
     }
 
     if (PyUnicode_Check(x)) {
@@ -2522,11 +3198,9 @@ bytes_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
         return NULL;
     }
     else {
-        new = PyBytes_FromStringAndSize(NULL, size);
+        new = _PyBytes_FromSize(size, 1);
         if (new == NULL)
             return NULL;
-        if (size > 0)
-            memset(((PyBytesObject*)new)->ob_sval, 0, size);
         return new;
     }
 
@@ -2624,10 +3298,12 @@ PyBytes_FromObject(PyObject *x)
        returning a shared empty bytes string. This required because we
        want to call _PyBytes_Resize() the returned object, which we can
        only do on bytes objects with refcount == 1. */
-    size += 1;
+    if (size == 0)
+        size = 1;
     new = PyBytes_FromStringAndSize(NULL, size);
     if (new == NULL)
         return NULL;
+    assert(Py_REFCNT(new) == 1);
 
     /* Get the iterator */
     it = PyObject_GetIter(x);
@@ -2729,7 +3405,7 @@ PyTypeObject PyBytes_Type = {
     0,                                          /* tp_setattr */
     0,                                          /* tp_reserved */
     (reprfunc)bytes_repr,                       /* tp_repr */
-    0,                                          /* tp_as_number */
+    &bytes_as_number,                           /* tp_as_number */
     &bytes_as_sequence,                         /* tp_as_sequence */
     &bytes_as_mapping,                          /* tp_as_mapping */
     (hashfunc)bytes_hash,                       /* tp_hash */
@@ -2764,7 +3440,6 @@ PyTypeObject PyBytes_Type = {
 void
 PyBytes_Concat(PyObject **pv, PyObject *w)
 {
-    PyObject *v;
     assert(pv != NULL);
     if (*pv == NULL)
         return;
@@ -2772,9 +3447,45 @@ PyBytes_Concat(PyObject **pv, PyObject *w)
         Py_CLEAR(*pv);
         return;
     }
-    v = bytes_concat(*pv, w);
-    Py_DECREF(*pv);
-    *pv = v;
+
+    if (Py_REFCNT(*pv) == 1 && PyBytes_CheckExact(*pv)) {
+        /* Only one reference, so we can resize in place */
+        Py_ssize_t oldsize;
+        Py_buffer wb;
+
+        wb.len = -1;
+        if (PyObject_GetBuffer(w, &wb, PyBUF_SIMPLE) != 0) {
+            PyErr_Format(PyExc_TypeError, "can't concat %.100s to %.100s",
+                         Py_TYPE(w)->tp_name, Py_TYPE(*pv)->tp_name);
+            Py_CLEAR(*pv);
+            return;
+        }
+
+        oldsize = PyBytes_GET_SIZE(*pv);
+        if (oldsize > PY_SSIZE_T_MAX - wb.len) {
+            PyErr_NoMemory();
+            goto error;
+        }
+        if (_PyBytes_Resize(pv, oldsize + wb.len) < 0)
+            goto error;
+
+        memcpy(PyBytes_AS_STRING(*pv) + oldsize, wb.buf, wb.len);
+        PyBuffer_Release(&wb);
+        return;
+
+      error:
+        PyBuffer_Release(&wb);
+        Py_CLEAR(*pv);
+        return;
+    }
+
+    else {
+        /* Multiple references, need to create new object */
+        PyObject *v;
+        v = bytes_concat(*pv, w);
+        Py_DECREF(*pv);
+        *pv = v;
+    }
 }
 
 void
@@ -2785,14 +3496,14 @@ PyBytes_ConcatAndDel(PyObject **pv, PyObject *w)
 }
 
 
-/* The following function breaks the notion that strings are immutable:
-   it changes the size of a string.  We get away with this only if there
+/* The following function breaks the notion that bytes are immutable:
+   it changes the size of a bytes object.  We get away with this only if there
    is only one module referencing the object.  You can also think of it
-   as creating a new string object and destroying the old one, only
-   more efficiently.  In any case, don't use this if the string may
+   as creating a new bytes object and destroying the old one, only
+   more efficiently.  In any case, don't use this if the bytes object may
    already be known to some other part of the code...
-   Note that if there's not enough memory to resize the string, the original
-   string object at *pv is deallocated, *pv is set to NULL, an "out of
+   Note that if there's not enough memory to resize the bytes object, the
+   original bytes object at *pv is deallocated, *pv is set to NULL, an "out of
    memory" exception is set, and -1 is returned.  Else (on success) 0 is
    returned, and the value in *pv may or may not be the same as on input.
    As always, an extra byte is allocated for a trailing \0 byte (newsize
@@ -2815,7 +3526,7 @@ _PyBytes_Resize(PyObject **pv, Py_ssize_t newsize)
     _Py_DEC_REFTOTAL;
     _Py_ForgetReference(v);
     *pv = (PyObject *)
-        PyObject_REALLOC((char *)v, PyBytesObject_SIZE + newsize);
+        PyObject_REALLOC(v, PyBytesObject_SIZE + newsize);
     if (*pv == NULL) {
         PyObject_Del(v);
         PyErr_NoMemory();
diff --git a/Objects/classobject.c b/Objects/classobject.c
index 0c0bd47..5e8ac59 100644
--- a/Objects/classobject.c
+++ b/Objects/classobject.c
@@ -15,6 +15,7 @@ static int numfree = 0;
 #endif
 
 _Py_IDENTIFIER(__name__);
+_Py_IDENTIFIER(__qualname__);
 
 PyObject *
 PyMethod_Function(PyObject *im)
@@ -243,51 +244,33 @@ method_repr(PyMethodObject *a)
 {
     PyObject *self = a->im_self;
     PyObject *func = a->im_func;
-    PyObject *klass;
-    PyObject *funcname = NULL ,*klassname = NULL, *result = NULL;
-    char *defname = "?";
+    PyObject *funcname = NULL, *result = NULL;
+    const char *defname = "?";
 
-    if (self == NULL) {
-        PyErr_BadInternalCall();
-        return NULL;
-    }
-    klass = (PyObject*)Py_TYPE(self);
-
-    funcname = _PyObject_GetAttrId(func, &PyId___name__);
+    funcname = _PyObject_GetAttrId(func, &PyId___qualname__);
     if (funcname == NULL) {
         if (!PyErr_ExceptionMatches(PyExc_AttributeError))
             return NULL;
         PyErr_Clear();
-    }
-    else if (!PyUnicode_Check(funcname)) {
-        Py_DECREF(funcname);
-        funcname = NULL;
-    }
 
-    if (klass == NULL)
-        klassname = NULL;
-    else {
-        klassname = _PyObject_GetAttrId(klass, &PyId___name__);
-        if (klassname == NULL) {
-            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                Py_XDECREF(funcname);
+        funcname = _PyObject_GetAttrId(func, &PyId___name__);
+        if (funcname == NULL) {
+            if (!PyErr_ExceptionMatches(PyExc_AttributeError))
                 return NULL;
-            }
             PyErr_Clear();
         }
-        else if (!PyUnicode_Check(klassname)) {
-            Py_DECREF(klassname);
-            klassname = NULL;
-        }
+    }
+
+    if (funcname != NULL && !PyUnicode_Check(funcname)) {
+        Py_DECREF(funcname);
+        funcname = NULL;
     }
 
     /* XXX Shouldn't use repr()/%R here! */
-    result = PyUnicode_FromFormat("<bound method %V.%V of %R>",
-                                  klassname, defname,
+    result = PyUnicode_FromFormat("<bound method %V of %R>",
                                   funcname, defname, self);
 
     Py_XDECREF(funcname);
-    Py_XDECREF(klassname);
     return result;
 }
 
diff --git a/Objects/clinic/bytearrayobject.c.h b/Objects/clinic/bytearrayobject.c.h
new file mode 100644
index 0000000..787efc0
--- /dev/null
+++ b/Objects/clinic/bytearrayobject.c.h
@@ -0,0 +1,713 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(bytearray_clear__doc__,
+"clear($self, /)\n"
+"--\n"
+"\n"
+"Remove all items from the bytearray.");
+
+#define BYTEARRAY_CLEAR_METHODDEF    \
+    {"clear", (PyCFunction)bytearray_clear, METH_NOARGS, bytearray_clear__doc__},
+
+static PyObject *
+bytearray_clear_impl(PyByteArrayObject *self);
+
+static PyObject *
+bytearray_clear(PyByteArrayObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return bytearray_clear_impl(self);
+}
+
+PyDoc_STRVAR(bytearray_copy__doc__,
+"copy($self, /)\n"
+"--\n"
+"\n"
+"Return a copy of B.");
+
+#define BYTEARRAY_COPY_METHODDEF    \
+    {"copy", (PyCFunction)bytearray_copy, METH_NOARGS, bytearray_copy__doc__},
+
+static PyObject *
+bytearray_copy_impl(PyByteArrayObject *self);
+
+static PyObject *
+bytearray_copy(PyByteArrayObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return bytearray_copy_impl(self);
+}
+
+PyDoc_STRVAR(bytearray_translate__doc__,
+"translate(table, [deletechars])\n"
+"Return a copy with each character mapped by the given translation table.\n"
+"\n"
+"  table\n"
+"    Translation table, which must be a bytes object of length 256.\n"
+"\n"
+"All characters occurring in the optional argument deletechars are removed.\n"
+"The remaining characters are mapped through the given translation table.");
+
+#define BYTEARRAY_TRANSLATE_METHODDEF    \
+    {"translate", (PyCFunction)bytearray_translate, METH_VARARGS, bytearray_translate__doc__},
+
+static PyObject *
+bytearray_translate_impl(PyByteArrayObject *self, PyObject *table,
+                         int group_right_1, PyObject *deletechars);
+
+static PyObject *
+bytearray_translate(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *table;
+    int group_right_1 = 0;
+    PyObject *deletechars = NULL;
+
+    switch (PyTuple_GET_SIZE(args)) {
+        case 1:
+            if (!PyArg_ParseTuple(args, "O:translate", &table))
+                goto exit;
+            break;
+        case 2:
+            if (!PyArg_ParseTuple(args, "OO:translate", &table, &deletechars))
+                goto exit;
+            group_right_1 = 1;
+            break;
+        default:
+            PyErr_SetString(PyExc_TypeError, "bytearray.translate requires 1 to 2 arguments");
+            goto exit;
+    }
+    return_value = bytearray_translate_impl(self, table, group_right_1, deletechars);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_maketrans__doc__,
+"maketrans(frm, to, /)\n"
+"--\n"
+"\n"
+"Return a translation table useable for the bytes or bytearray translate method.\n"
+"\n"
+"The returned table will be one where each byte in frm is mapped to the byte at\n"
+"the same position in to.\n"
+"\n"
+"The bytes objects frm and to must be of the same length.");
+
+#define BYTEARRAY_MAKETRANS_METHODDEF    \
+    {"maketrans", (PyCFunction)bytearray_maketrans, METH_VARARGS|METH_STATIC, bytearray_maketrans__doc__},
+
+static PyObject *
+bytearray_maketrans_impl(Py_buffer *frm, Py_buffer *to);
+
+static PyObject *
+bytearray_maketrans(void *null, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_buffer frm = {NULL, NULL};
+    Py_buffer to = {NULL, NULL};
+
+    if (!PyArg_ParseTuple(args,
+        "y*y*:maketrans",
+        &frm, &to))
+        goto exit;
+    return_value = bytearray_maketrans_impl(&frm, &to);
+
+exit:
+    /* Cleanup for frm */
+    if (frm.obj)
+       PyBuffer_Release(&frm);
+    /* Cleanup for to */
+    if (to.obj)
+       PyBuffer_Release(&to);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_replace__doc__,
+"replace($self, old, new, count=-1, /)\n"
+"--\n"
+"\n"
+"Return a copy with all occurrences of substring old replaced by new.\n"
+"\n"
+"  count\n"
+"    Maximum number of occurrences to replace.\n"
+"    -1 (the default value) means replace all occurrences.\n"
+"\n"
+"If the optional argument count is given, only the first count occurrences are\n"
+"replaced.");
+
+#define BYTEARRAY_REPLACE_METHODDEF    \
+    {"replace", (PyCFunction)bytearray_replace, METH_VARARGS, bytearray_replace__doc__},
+
+static PyObject *
+bytearray_replace_impl(PyByteArrayObject *self, Py_buffer *old,
+                       Py_buffer *new, Py_ssize_t count);
+
+static PyObject *
+bytearray_replace(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_buffer old = {NULL, NULL};
+    Py_buffer new = {NULL, NULL};
+    Py_ssize_t count = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "y*y*|n:replace",
+        &old, &new, &count))
+        goto exit;
+    return_value = bytearray_replace_impl(self, &old, &new, count);
+
+exit:
+    /* Cleanup for old */
+    if (old.obj)
+       PyBuffer_Release(&old);
+    /* Cleanup for new */
+    if (new.obj)
+       PyBuffer_Release(&new);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_split__doc__,
+"split($self, /, sep=None, maxsplit=-1)\n"
+"--\n"
+"\n"
+"Return a list of the sections in the bytearray, using sep as the delimiter.\n"
+"\n"
+"  sep\n"
+"    The delimiter according which to split the bytearray.\n"
+"    None (the default value) means split on ASCII whitespace characters\n"
+"    (space, tab, return, newline, formfeed, vertical tab).\n"
+"  maxsplit\n"
+"    Maximum number of splits to do.\n"
+"    -1 (the default value) means no limit.");
+
+#define BYTEARRAY_SPLIT_METHODDEF    \
+    {"split", (PyCFunction)bytearray_split, METH_VARARGS|METH_KEYWORDS, bytearray_split__doc__},
+
+static PyObject *
+bytearray_split_impl(PyByteArrayObject *self, PyObject *sep,
+                     Py_ssize_t maxsplit);
+
+static PyObject *
+bytearray_split(PyByteArrayObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"sep", "maxsplit", NULL};
+    PyObject *sep = Py_None;
+    Py_ssize_t maxsplit = -1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|On:split", _keywords,
+        &sep, &maxsplit))
+        goto exit;
+    return_value = bytearray_split_impl(self, sep, maxsplit);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_partition__doc__,
+"partition($self, sep, /)\n"
+"--\n"
+"\n"
+"Partition the bytearray into three parts using the given separator.\n"
+"\n"
+"This will search for the separator sep in the bytearray. If the separator is\n"
+"found, returns a 3-tuple containing the part before the separator, the\n"
+"separator itself, and the part after it.\n"
+"\n"
+"If the separator is not found, returns a 3-tuple containing the original\n"
+"bytearray object and two empty bytearray objects.");
+
+#define BYTEARRAY_PARTITION_METHODDEF    \
+    {"partition", (PyCFunction)bytearray_partition, METH_O, bytearray_partition__doc__},
+
+PyDoc_STRVAR(bytearray_rpartition__doc__,
+"rpartition($self, sep, /)\n"
+"--\n"
+"\n"
+"Partition the bytes into three parts using the given separator.\n"
+"\n"
+"This will search for the separator sep in the bytearray, starting and the end.\n"
+"If the separator is found, returns a 3-tuple containing the part before the\n"
+"separator, the separator itself, and the part after it.\n"
+"\n"
+"If the separator is not found, returns a 3-tuple containing two empty bytearray\n"
+"objects and the original bytearray object.");
+
+#define BYTEARRAY_RPARTITION_METHODDEF    \
+    {"rpartition", (PyCFunction)bytearray_rpartition, METH_O, bytearray_rpartition__doc__},
+
+PyDoc_STRVAR(bytearray_rsplit__doc__,
+"rsplit($self, /, sep=None, maxsplit=-1)\n"
+"--\n"
+"\n"
+"Return a list of the sections in the bytearray, using sep as the delimiter.\n"
+"\n"
+"  sep\n"
+"    The delimiter according which to split the bytearray.\n"
+"    None (the default value) means split on ASCII whitespace characters\n"
+"    (space, tab, return, newline, formfeed, vertical tab).\n"
+"  maxsplit\n"
+"    Maximum number of splits to do.\n"
+"    -1 (the default value) means no limit.\n"
+"\n"
+"Splitting is done starting at the end of the bytearray and working to the front.");
+
+#define BYTEARRAY_RSPLIT_METHODDEF    \
+    {"rsplit", (PyCFunction)bytearray_rsplit, METH_VARARGS|METH_KEYWORDS, bytearray_rsplit__doc__},
+
+static PyObject *
+bytearray_rsplit_impl(PyByteArrayObject *self, PyObject *sep,
+                      Py_ssize_t maxsplit);
+
+static PyObject *
+bytearray_rsplit(PyByteArrayObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"sep", "maxsplit", NULL};
+    PyObject *sep = Py_None;
+    Py_ssize_t maxsplit = -1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|On:rsplit", _keywords,
+        &sep, &maxsplit))
+        goto exit;
+    return_value = bytearray_rsplit_impl(self, sep, maxsplit);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_reverse__doc__,
+"reverse($self, /)\n"
+"--\n"
+"\n"
+"Reverse the order of the values in B in place.");
+
+#define BYTEARRAY_REVERSE_METHODDEF    \
+    {"reverse", (PyCFunction)bytearray_reverse, METH_NOARGS, bytearray_reverse__doc__},
+
+static PyObject *
+bytearray_reverse_impl(PyByteArrayObject *self);
+
+static PyObject *
+bytearray_reverse(PyByteArrayObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return bytearray_reverse_impl(self);
+}
+
+PyDoc_STRVAR(bytearray_insert__doc__,
+"insert($self, index, item, /)\n"
+"--\n"
+"\n"
+"Insert a single item into the bytearray before the given index.\n"
+"\n"
+"  index\n"
+"    The index where the value is to be inserted.\n"
+"  item\n"
+"    The item to be inserted.");
+
+#define BYTEARRAY_INSERT_METHODDEF    \
+    {"insert", (PyCFunction)bytearray_insert, METH_VARARGS, bytearray_insert__doc__},
+
+static PyObject *
+bytearray_insert_impl(PyByteArrayObject *self, Py_ssize_t index, int item);
+
+static PyObject *
+bytearray_insert(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t index;
+    int item;
+
+    if (!PyArg_ParseTuple(args,
+        "nO&:insert",
+        &index, _getbytevalue, &item))
+        goto exit;
+    return_value = bytearray_insert_impl(self, index, item);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_append__doc__,
+"append($self, item, /)\n"
+"--\n"
+"\n"
+"Append a single item to the end of the bytearray.\n"
+"\n"
+"  item\n"
+"    The item to be appended.");
+
+#define BYTEARRAY_APPEND_METHODDEF    \
+    {"append", (PyCFunction)bytearray_append, METH_O, bytearray_append__doc__},
+
+static PyObject *
+bytearray_append_impl(PyByteArrayObject *self, int item);
+
+static PyObject *
+bytearray_append(PyByteArrayObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int item;
+
+    if (!PyArg_Parse(arg,
+        "O&:append",
+        _getbytevalue, &item))
+        goto exit;
+    return_value = bytearray_append_impl(self, item);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_extend__doc__,
+"extend($self, iterable_of_ints, /)\n"
+"--\n"
+"\n"
+"Append all the items from the iterator or sequence to the end of the bytearray.\n"
+"\n"
+"  iterable_of_ints\n"
+"    The iterable of items to append.");
+
+#define BYTEARRAY_EXTEND_METHODDEF    \
+    {"extend", (PyCFunction)bytearray_extend, METH_O, bytearray_extend__doc__},
+
+PyDoc_STRVAR(bytearray_pop__doc__,
+"pop($self, index=-1, /)\n"
+"--\n"
+"\n"
+"Remove and return a single item from B.\n"
+"\n"
+"  index\n"
+"    The index from where to remove the item.\n"
+"    -1 (the default value) means remove the last item.\n"
+"\n"
+"If no index argument is given, will pop the last item.");
+
+#define BYTEARRAY_POP_METHODDEF    \
+    {"pop", (PyCFunction)bytearray_pop, METH_VARARGS, bytearray_pop__doc__},
+
+static PyObject *
+bytearray_pop_impl(PyByteArrayObject *self, Py_ssize_t index);
+
+static PyObject *
+bytearray_pop(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t index = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "|n:pop",
+        &index))
+        goto exit;
+    return_value = bytearray_pop_impl(self, index);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_remove__doc__,
+"remove($self, value, /)\n"
+"--\n"
+"\n"
+"Remove the first occurrence of a value in the bytearray.\n"
+"\n"
+"  value\n"
+"    The value to remove.");
+
+#define BYTEARRAY_REMOVE_METHODDEF    \
+    {"remove", (PyCFunction)bytearray_remove, METH_O, bytearray_remove__doc__},
+
+static PyObject *
+bytearray_remove_impl(PyByteArrayObject *self, int value);
+
+static PyObject *
+bytearray_remove(PyByteArrayObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    int value;
+
+    if (!PyArg_Parse(arg,
+        "O&:remove",
+        _getbytevalue, &value))
+        goto exit;
+    return_value = bytearray_remove_impl(self, value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_strip__doc__,
+"strip($self, bytes=None, /)\n"
+"--\n"
+"\n"
+"Strip leading and trailing bytes contained in the argument.\n"
+"\n"
+"If the argument is omitted or None, strip leading and trailing ASCII whitespace.");
+
+#define BYTEARRAY_STRIP_METHODDEF    \
+    {"strip", (PyCFunction)bytearray_strip, METH_VARARGS, bytearray_strip__doc__},
+
+static PyObject *
+bytearray_strip_impl(PyByteArrayObject *self, PyObject *bytes);
+
+static PyObject *
+bytearray_strip(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *bytes = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "strip",
+        0, 1,
+        &bytes))
+        goto exit;
+    return_value = bytearray_strip_impl(self, bytes);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_lstrip__doc__,
+"lstrip($self, bytes=None, /)\n"
+"--\n"
+"\n"
+"Strip leading bytes contained in the argument.\n"
+"\n"
+"If the argument is omitted or None, strip leading ASCII whitespace.");
+
+#define BYTEARRAY_LSTRIP_METHODDEF    \
+    {"lstrip", (PyCFunction)bytearray_lstrip, METH_VARARGS, bytearray_lstrip__doc__},
+
+static PyObject *
+bytearray_lstrip_impl(PyByteArrayObject *self, PyObject *bytes);
+
+static PyObject *
+bytearray_lstrip(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *bytes = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "lstrip",
+        0, 1,
+        &bytes))
+        goto exit;
+    return_value = bytearray_lstrip_impl(self, bytes);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_rstrip__doc__,
+"rstrip($self, bytes=None, /)\n"
+"--\n"
+"\n"
+"Strip trailing bytes contained in the argument.\n"
+"\n"
+"If the argument is omitted or None, strip trailing ASCII whitespace.");
+
+#define BYTEARRAY_RSTRIP_METHODDEF    \
+    {"rstrip", (PyCFunction)bytearray_rstrip, METH_VARARGS, bytearray_rstrip__doc__},
+
+static PyObject *
+bytearray_rstrip_impl(PyByteArrayObject *self, PyObject *bytes);
+
+static PyObject *
+bytearray_rstrip(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *bytes = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "rstrip",
+        0, 1,
+        &bytes))
+        goto exit;
+    return_value = bytearray_rstrip_impl(self, bytes);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_decode__doc__,
+"decode($self, /, encoding=\'utf-8\', errors=\'strict\')\n"
+"--\n"
+"\n"
+"Decode the bytearray using the codec registered for encoding.\n"
+"\n"
+"  encoding\n"
+"    The encoding with which to decode the bytearray.\n"
+"  errors\n"
+"    The error handling scheme to use for the handling of decoding errors.\n"
+"    The default is \'strict\' meaning that decoding errors raise a\n"
+"    UnicodeDecodeError. Other possible values are \'ignore\' and \'replace\'\n"
+"    as well as any other name registered with codecs.register_error that\n"
+"    can handle UnicodeDecodeErrors.");
+
+#define BYTEARRAY_DECODE_METHODDEF    \
+    {"decode", (PyCFunction)bytearray_decode, METH_VARARGS|METH_KEYWORDS, bytearray_decode__doc__},
+
+static PyObject *
+bytearray_decode_impl(PyByteArrayObject *self, const char *encoding,
+                      const char *errors);
+
+static PyObject *
+bytearray_decode(PyByteArrayObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"encoding", "errors", NULL};
+    const char *encoding = NULL;
+    const char *errors = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|ss:decode", _keywords,
+        &encoding, &errors))
+        goto exit;
+    return_value = bytearray_decode_impl(self, encoding, errors);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_join__doc__,
+"join($self, iterable_of_bytes, /)\n"
+"--\n"
+"\n"
+"Concatenate any number of bytes/bytearray objects.\n"
+"\n"
+"The bytearray whose method is called is inserted in between each pair.\n"
+"\n"
+"The result is returned as a new bytearray object.");
+
+#define BYTEARRAY_JOIN_METHODDEF    \
+    {"join", (PyCFunction)bytearray_join, METH_O, bytearray_join__doc__},
+
+PyDoc_STRVAR(bytearray_splitlines__doc__,
+"splitlines($self, /, keepends=False)\n"
+"--\n"
+"\n"
+"Return a list of the lines in the bytearray, breaking at line boundaries.\n"
+"\n"
+"Line breaks are not included in the resulting list unless keepends is given and\n"
+"true.");
+
+#define BYTEARRAY_SPLITLINES_METHODDEF    \
+    {"splitlines", (PyCFunction)bytearray_splitlines, METH_VARARGS|METH_KEYWORDS, bytearray_splitlines__doc__},
+
+static PyObject *
+bytearray_splitlines_impl(PyByteArrayObject *self, int keepends);
+
+static PyObject *
+bytearray_splitlines(PyByteArrayObject *self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"keepends", NULL};
+    int keepends = 0;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|i:splitlines", _keywords,
+        &keepends))
+        goto exit;
+    return_value = bytearray_splitlines_impl(self, keepends);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_fromhex__doc__,
+"fromhex($type, string, /)\n"
+"--\n"
+"\n"
+"Create a bytearray object from a string of hexadecimal numbers.\n"
+"\n"
+"Spaces between two numbers are accepted.\n"
+"Example: bytearray.fromhex(\'B9 01EF\') -> bytearray(b\'\\\\xb9\\\\x01\\\\xef\')");
+
+#define BYTEARRAY_FROMHEX_METHODDEF    \
+    {"fromhex", (PyCFunction)bytearray_fromhex, METH_O|METH_CLASS, bytearray_fromhex__doc__},
+
+static PyObject *
+bytearray_fromhex_impl(PyObject*cls, PyObject *string);
+
+static PyObject *
+bytearray_fromhex(PyTypeObject *cls, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyObject *string;
+
+    if (!PyArg_Parse(arg,
+        "U:fromhex",
+        &string))
+        goto exit;
+    return_value = bytearray_fromhex_impl((PyObject*)cls, string);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_reduce__doc__,
+"__reduce__($self, /)\n"
+"--\n"
+"\n"
+"Return state information for pickling.");
+
+#define BYTEARRAY_REDUCE_METHODDEF    \
+    {"__reduce__", (PyCFunction)bytearray_reduce, METH_NOARGS, bytearray_reduce__doc__},
+
+static PyObject *
+bytearray_reduce_impl(PyByteArrayObject *self);
+
+static PyObject *
+bytearray_reduce(PyByteArrayObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return bytearray_reduce_impl(self);
+}
+
+PyDoc_STRVAR(bytearray_reduce_ex__doc__,
+"__reduce_ex__($self, proto=0, /)\n"
+"--\n"
+"\n"
+"Return state information for pickling.");
+
+#define BYTEARRAY_REDUCE_EX_METHODDEF    \
+    {"__reduce_ex__", (PyCFunction)bytearray_reduce_ex, METH_VARARGS, bytearray_reduce_ex__doc__},
+
+static PyObject *
+bytearray_reduce_ex_impl(PyByteArrayObject *self, int proto);
+
+static PyObject *
+bytearray_reduce_ex(PyByteArrayObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    int proto = 0;
+
+    if (!PyArg_ParseTuple(args,
+        "|i:__reduce_ex__",
+        &proto))
+        goto exit;
+    return_value = bytearray_reduce_ex_impl(self, proto);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytearray_sizeof__doc__,
+"__sizeof__($self, /)\n"
+"--\n"
+"\n"
+"Returns the size of the bytearray object in memory, in bytes.");
+
+#define BYTEARRAY_SIZEOF_METHODDEF    \
+    {"__sizeof__", (PyCFunction)bytearray_sizeof, METH_NOARGS, bytearray_sizeof__doc__},
+
+static PyObject *
+bytearray_sizeof_impl(PyByteArrayObject *self);
+
+static PyObject *
+bytearray_sizeof(PyByteArrayObject *self, PyObject *Py_UNUSED(ignored))
+{
+    return bytearray_sizeof_impl(self);
+}
+/*[clinic end generated code: output=2a698741a4f14047 input=a9049054013a1b77]*/
diff --git a/Objects/clinic/bytesobject.c.h b/Objects/clinic/bytesobject.c.h
new file mode 100644
index 0000000..7702211
--- /dev/null
+++ b/Objects/clinic/bytesobject.c.h
@@ -0,0 +1,499 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(bytes_split__doc__,
+"split($self, /, sep=None, maxsplit=-1)\n"
+"--\n"
+"\n"
+"Return a list of the sections in the bytes, using sep as the delimiter.\n"
+"\n"
+"  sep\n"
+"    The delimiter according which to split the bytes.\n"
+"    None (the default value) means split on ASCII whitespace characters\n"
+"    (space, tab, return, newline, formfeed, vertical tab).\n"
+"  maxsplit\n"
+"    Maximum number of splits to do.\n"
+"    -1 (the default value) means no limit.");
+
+#define BYTES_SPLIT_METHODDEF    \
+    {"split", (PyCFunction)bytes_split, METH_VARARGS|METH_KEYWORDS, bytes_split__doc__},
+
+static PyObject *
+bytes_split_impl(PyBytesObject*self, PyObject *sep, Py_ssize_t maxsplit);
+
+static PyObject *
+bytes_split(PyBytesObject*self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"sep", "maxsplit", NULL};
+    PyObject *sep = Py_None;
+    Py_ssize_t maxsplit = -1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|On:split", _keywords,
+        &sep, &maxsplit))
+        goto exit;
+    return_value = bytes_split_impl(self, sep, maxsplit);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_partition__doc__,
+"partition($self, sep, /)\n"
+"--\n"
+"\n"
+"Partition the bytes into three parts using the given separator.\n"
+"\n"
+"This will search for the separator sep in the bytes. If the separator is found,\n"
+"returns a 3-tuple containing the part before the separator, the separator\n"
+"itself, and the part after it.\n"
+"\n"
+"If the separator is not found, returns a 3-tuple containing the original bytes\n"
+"object and two empty bytes objects.");
+
+#define BYTES_PARTITION_METHODDEF    \
+    {"partition", (PyCFunction)bytes_partition, METH_O, bytes_partition__doc__},
+
+static PyObject *
+bytes_partition_impl(PyBytesObject *self, Py_buffer *sep);
+
+static PyObject *
+bytes_partition(PyBytesObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer sep = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "y*:partition",
+        &sep))
+        goto exit;
+    return_value = bytes_partition_impl(self, &sep);
+
+exit:
+    /* Cleanup for sep */
+    if (sep.obj)
+       PyBuffer_Release(&sep);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_rpartition__doc__,
+"rpartition($self, sep, /)\n"
+"--\n"
+"\n"
+"Partition the bytes into three parts using the given separator.\n"
+"\n"
+"This will search for the separator sep in the bytes, starting and the end. If\n"
+"the separator is found, returns a 3-tuple containing the part before the\n"
+"separator, the separator itself, and the part after it.\n"
+"\n"
+"If the separator is not found, returns a 3-tuple containing two empty bytes\n"
+"objects and the original bytes object.");
+
+#define BYTES_RPARTITION_METHODDEF    \
+    {"rpartition", (PyCFunction)bytes_rpartition, METH_O, bytes_rpartition__doc__},
+
+static PyObject *
+bytes_rpartition_impl(PyBytesObject *self, Py_buffer *sep);
+
+static PyObject *
+bytes_rpartition(PyBytesObject *self, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_buffer sep = {NULL, NULL};
+
+    if (!PyArg_Parse(arg,
+        "y*:rpartition",
+        &sep))
+        goto exit;
+    return_value = bytes_rpartition_impl(self, &sep);
+
+exit:
+    /* Cleanup for sep */
+    if (sep.obj)
+       PyBuffer_Release(&sep);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_rsplit__doc__,
+"rsplit($self, /, sep=None, maxsplit=-1)\n"
+"--\n"
+"\n"
+"Return a list of the sections in the bytes, using sep as the delimiter.\n"
+"\n"
+"  sep\n"
+"    The delimiter according which to split the bytes.\n"
+"    None (the default value) means split on ASCII whitespace characters\n"
+"    (space, tab, return, newline, formfeed, vertical tab).\n"
+"  maxsplit\n"
+"    Maximum number of splits to do.\n"
+"    -1 (the default value) means no limit.\n"
+"\n"
+"Splitting is done starting at the end of the bytes and working to the front.");
+
+#define BYTES_RSPLIT_METHODDEF    \
+    {"rsplit", (PyCFunction)bytes_rsplit, METH_VARARGS|METH_KEYWORDS, bytes_rsplit__doc__},
+
+static PyObject *
+bytes_rsplit_impl(PyBytesObject*self, PyObject *sep, Py_ssize_t maxsplit);
+
+static PyObject *
+bytes_rsplit(PyBytesObject*self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"sep", "maxsplit", NULL};
+    PyObject *sep = Py_None;
+    Py_ssize_t maxsplit = -1;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|On:rsplit", _keywords,
+        &sep, &maxsplit))
+        goto exit;
+    return_value = bytes_rsplit_impl(self, sep, maxsplit);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_join__doc__,
+"join($self, iterable_of_bytes, /)\n"
+"--\n"
+"\n"
+"Concatenate any number of bytes objects.\n"
+"\n"
+"The bytes whose method is called is inserted in between each pair.\n"
+"\n"
+"The result is returned as a new bytes object.\n"
+"\n"
+"Example: b\'.\'.join([b\'ab\', b\'pq\', b\'rs\']) -> b\'ab.pq.rs\'.");
+
+#define BYTES_JOIN_METHODDEF    \
+    {"join", (PyCFunction)bytes_join, METH_O, bytes_join__doc__},
+
+PyDoc_STRVAR(bytes_strip__doc__,
+"strip($self, bytes=None, /)\n"
+"--\n"
+"\n"
+"Strip leading and trailing bytes contained in the argument.\n"
+"\n"
+"If the argument is omitted or None, strip leading and trailing ASCII whitespace.");
+
+#define BYTES_STRIP_METHODDEF    \
+    {"strip", (PyCFunction)bytes_strip, METH_VARARGS, bytes_strip__doc__},
+
+static PyObject *
+bytes_strip_impl(PyBytesObject *self, PyObject *bytes);
+
+static PyObject *
+bytes_strip(PyBytesObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *bytes = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "strip",
+        0, 1,
+        &bytes))
+        goto exit;
+    return_value = bytes_strip_impl(self, bytes);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_lstrip__doc__,
+"lstrip($self, bytes=None, /)\n"
+"--\n"
+"\n"
+"Strip leading bytes contained in the argument.\n"
+"\n"
+"If the argument is omitted or None, strip leading  ASCII whitespace.");
+
+#define BYTES_LSTRIP_METHODDEF    \
+    {"lstrip", (PyCFunction)bytes_lstrip, METH_VARARGS, bytes_lstrip__doc__},
+
+static PyObject *
+bytes_lstrip_impl(PyBytesObject *self, PyObject *bytes);
+
+static PyObject *
+bytes_lstrip(PyBytesObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *bytes = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "lstrip",
+        0, 1,
+        &bytes))
+        goto exit;
+    return_value = bytes_lstrip_impl(self, bytes);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_rstrip__doc__,
+"rstrip($self, bytes=None, /)\n"
+"--\n"
+"\n"
+"Strip trailing bytes contained in the argument.\n"
+"\n"
+"If the argument is omitted or None, strip trailing ASCII whitespace.");
+
+#define BYTES_RSTRIP_METHODDEF    \
+    {"rstrip", (PyCFunction)bytes_rstrip, METH_VARARGS, bytes_rstrip__doc__},
+
+static PyObject *
+bytes_rstrip_impl(PyBytesObject *self, PyObject *bytes);
+
+static PyObject *
+bytes_rstrip(PyBytesObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *bytes = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "rstrip",
+        0, 1,
+        &bytes))
+        goto exit;
+    return_value = bytes_rstrip_impl(self, bytes);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_translate__doc__,
+"translate(table, [deletechars])\n"
+"Return a copy with each character mapped by the given translation table.\n"
+"\n"
+"  table\n"
+"    Translation table, which must be a bytes object of length 256.\n"
+"\n"
+"All characters occurring in the optional argument deletechars are removed.\n"
+"The remaining characters are mapped through the given translation table.");
+
+#define BYTES_TRANSLATE_METHODDEF    \
+    {"translate", (PyCFunction)bytes_translate, METH_VARARGS, bytes_translate__doc__},
+
+static PyObject *
+bytes_translate_impl(PyBytesObject *self, PyObject *table, int group_right_1,
+                     PyObject *deletechars);
+
+static PyObject *
+bytes_translate(PyBytesObject *self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *table;
+    int group_right_1 = 0;
+    PyObject *deletechars = NULL;
+
+    switch (PyTuple_GET_SIZE(args)) {
+        case 1:
+            if (!PyArg_ParseTuple(args, "O:translate", &table))
+                goto exit;
+            break;
+        case 2:
+            if (!PyArg_ParseTuple(args, "OO:translate", &table, &deletechars))
+                goto exit;
+            group_right_1 = 1;
+            break;
+        default:
+            PyErr_SetString(PyExc_TypeError, "bytes.translate requires 1 to 2 arguments");
+            goto exit;
+    }
+    return_value = bytes_translate_impl(self, table, group_right_1, deletechars);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_maketrans__doc__,
+"maketrans(frm, to, /)\n"
+"--\n"
+"\n"
+"Return a translation table useable for the bytes or bytearray translate method.\n"
+"\n"
+"The returned table will be one where each byte in frm is mapped to the byte at\n"
+"the same position in to.\n"
+"\n"
+"The bytes objects frm and to must be of the same length.");
+
+#define BYTES_MAKETRANS_METHODDEF    \
+    {"maketrans", (PyCFunction)bytes_maketrans, METH_VARARGS|METH_STATIC, bytes_maketrans__doc__},
+
+static PyObject *
+bytes_maketrans_impl(Py_buffer *frm, Py_buffer *to);
+
+static PyObject *
+bytes_maketrans(void *null, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_buffer frm = {NULL, NULL};
+    Py_buffer to = {NULL, NULL};
+
+    if (!PyArg_ParseTuple(args,
+        "y*y*:maketrans",
+        &frm, &to))
+        goto exit;
+    return_value = bytes_maketrans_impl(&frm, &to);
+
+exit:
+    /* Cleanup for frm */
+    if (frm.obj)
+       PyBuffer_Release(&frm);
+    /* Cleanup for to */
+    if (to.obj)
+       PyBuffer_Release(&to);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_replace__doc__,
+"replace($self, old, new, count=-1, /)\n"
+"--\n"
+"\n"
+"Return a copy with all occurrences of substring old replaced by new.\n"
+"\n"
+"  count\n"
+"    Maximum number of occurrences to replace.\n"
+"    -1 (the default value) means replace all occurrences.\n"
+"\n"
+"If the optional argument count is given, only the first count occurrences are\n"
+"replaced.");
+
+#define BYTES_REPLACE_METHODDEF    \
+    {"replace", (PyCFunction)bytes_replace, METH_VARARGS, bytes_replace__doc__},
+
+static PyObject *
+bytes_replace_impl(PyBytesObject*self, Py_buffer *old, Py_buffer *new,
+                   Py_ssize_t count);
+
+static PyObject *
+bytes_replace(PyBytesObject*self, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    Py_buffer old = {NULL, NULL};
+    Py_buffer new = {NULL, NULL};
+    Py_ssize_t count = -1;
+
+    if (!PyArg_ParseTuple(args,
+        "y*y*|n:replace",
+        &old, &new, &count))
+        goto exit;
+    return_value = bytes_replace_impl(self, &old, &new, count);
+
+exit:
+    /* Cleanup for old */
+    if (old.obj)
+       PyBuffer_Release(&old);
+    /* Cleanup for new */
+    if (new.obj)
+       PyBuffer_Release(&new);
+
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_decode__doc__,
+"decode($self, /, encoding=\'utf-8\', errors=\'strict\')\n"
+"--\n"
+"\n"
+"Decode the bytes using the codec registered for encoding.\n"
+"\n"
+"  encoding\n"
+"    The encoding with which to decode the bytes.\n"
+"  errors\n"
+"    The error handling scheme to use for the handling of decoding errors.\n"
+"    The default is \'strict\' meaning that decoding errors raise a\n"
+"    UnicodeDecodeError. Other possible values are \'ignore\' and \'replace\'\n"
+"    as well as any other name registered with codecs.register_error that\n"
+"    can handle UnicodeDecodeErrors.");
+
+#define BYTES_DECODE_METHODDEF    \
+    {"decode", (PyCFunction)bytes_decode, METH_VARARGS|METH_KEYWORDS, bytes_decode__doc__},
+
+static PyObject *
+bytes_decode_impl(PyBytesObject*self, const char *encoding,
+                  const char *errors);
+
+static PyObject *
+bytes_decode(PyBytesObject*self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"encoding", "errors", NULL};
+    const char *encoding = NULL;
+    const char *errors = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|ss:decode", _keywords,
+        &encoding, &errors))
+        goto exit;
+    return_value = bytes_decode_impl(self, encoding, errors);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_splitlines__doc__,
+"splitlines($self, /, keepends=False)\n"
+"--\n"
+"\n"
+"Return a list of the lines in the bytes, breaking at line boundaries.\n"
+"\n"
+"Line breaks are not included in the resulting list unless keepends is given and\n"
+"true.");
+
+#define BYTES_SPLITLINES_METHODDEF    \
+    {"splitlines", (PyCFunction)bytes_splitlines, METH_VARARGS|METH_KEYWORDS, bytes_splitlines__doc__},
+
+static PyObject *
+bytes_splitlines_impl(PyBytesObject*self, int keepends);
+
+static PyObject *
+bytes_splitlines(PyBytesObject*self, PyObject *args, PyObject *kwargs)
+{
+    PyObject *return_value = NULL;
+    static char *_keywords[] = {"keepends", NULL};
+    int keepends = 0;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+        "|i:splitlines", _keywords,
+        &keepends))
+        goto exit;
+    return_value = bytes_splitlines_impl(self, keepends);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_fromhex__doc__,
+"fromhex($type, string, /)\n"
+"--\n"
+"\n"
+"Create a bytes object from a string of hexadecimal numbers.\n"
+"\n"
+"Spaces between two numbers are accepted.\n"
+"Example: bytes.fromhex(\'B9 01EF\') -> b\'\\\\xb9\\\\x01\\\\xef\'.");
+
+#define BYTES_FROMHEX_METHODDEF    \
+    {"fromhex", (PyCFunction)bytes_fromhex, METH_O|METH_CLASS, bytes_fromhex__doc__},
+
+static PyObject *
+bytes_fromhex_impl(PyTypeObject *type, PyObject *string);
+
+static PyObject *
+bytes_fromhex(PyTypeObject *type, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyObject *string;
+
+    if (!PyArg_Parse(arg,
+        "U:fromhex",
+        &string))
+        goto exit;
+    return_value = bytes_fromhex_impl(type, string);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=deaf886e15270679 input=a9049054013a1b77]*/
diff --git a/Objects/clinic/dictobject.c.h b/Objects/clinic/dictobject.c.h
new file mode 100644
index 0000000..5288b9a
--- /dev/null
+++ b/Objects/clinic/dictobject.c.h
@@ -0,0 +1,42 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(dict_fromkeys__doc__,
+"fromkeys($type, iterable, value=None, /)\n"
+"--\n"
+"\n"
+"Returns a new dict with keys from iterable and values equal to value.");
+
+#define DICT_FROMKEYS_METHODDEF    \
+    {"fromkeys", (PyCFunction)dict_fromkeys, METH_VARARGS|METH_CLASS, dict_fromkeys__doc__},
+
+static PyObject *
+dict_fromkeys_impl(PyTypeObject *type, PyObject *iterable, PyObject *value);
+
+static PyObject *
+dict_fromkeys(PyTypeObject *type, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *iterable;
+    PyObject *value = Py_None;
+
+    if (!PyArg_UnpackTuple(args, "fromkeys",
+        1, 2,
+        &iterable, &value))
+        goto exit;
+    return_value = dict_fromkeys_impl(type, iterable, value);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(dict___contains____doc__,
+"__contains__($self, key, /)\n"
+"--\n"
+"\n"
+"True if D has a key k, else False.");
+
+#define DICT___CONTAINS___METHODDEF    \
+    {"__contains__", (PyCFunction)dict___contains__, METH_O|METH_COEXIST, dict___contains____doc__},
+/*[clinic end generated code: output=fe74d676332fdba6 input=a9049054013a1b77]*/
diff --git a/Objects/clinic/unicodeobject.c.h b/Objects/clinic/unicodeobject.c.h
new file mode 100644
index 0000000..053a471
--- /dev/null
+++ b/Objects/clinic/unicodeobject.c.h
@@ -0,0 +1,42 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+PyDoc_STRVAR(unicode_maketrans__doc__,
+"maketrans(x, y=None, z=None, /)\n"
+"--\n"
+"\n"
+"Return a translation table usable for str.translate().\n"
+"\n"
+"If there is only one argument, it must be a dictionary mapping Unicode\n"
+"ordinals (integers) or characters to Unicode ordinals, strings or None.\n"
+"Character keys will be then converted to ordinals.\n"
+"If there are two arguments, they must be strings of equal length, and\n"
+"in the resulting dictionary, each character in x will be mapped to the\n"
+"character at the same position in y. If there is a third argument, it\n"
+"must be a string, whose characters will be mapped to None in the result.");
+
+#define UNICODE_MAKETRANS_METHODDEF    \
+    {"maketrans", (PyCFunction)unicode_maketrans, METH_VARARGS|METH_STATIC, unicode_maketrans__doc__},
+
+static PyObject *
+unicode_maketrans_impl(PyObject *x, PyObject *y, PyObject *z);
+
+static PyObject *
+unicode_maketrans(void *null, PyObject *args)
+{
+    PyObject *return_value = NULL;
+    PyObject *x;
+    PyObject *y = NULL;
+    PyObject *z = NULL;
+
+    if (!PyArg_ParseTuple(args,
+        "O|UU:maketrans",
+        &x, &y, &z))
+        goto exit;
+    return_value = unicode_maketrans_impl(x, y, z);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=4670413843c53055 input=a9049054013a1b77]*/
diff --git a/Objects/complexobject.c b/Objects/complexobject.c
index 7f4cdd9..dc1212e 100644
--- a/Objects/complexobject.c
+++ b/Objects/complexobject.c
@@ -13,7 +13,7 @@
 static Py_complex c_1 = {1., 0.};
 
 Py_complex
-c_sum(Py_complex a, Py_complex b)
+_Py_c_sum(Py_complex a, Py_complex b)
 {
     Py_complex r;
     r.real = a.real + b.real;
@@ -22,7 +22,7 @@ c_sum(Py_complex a, Py_complex b)
 }
 
 Py_complex
-c_diff(Py_complex a, Py_complex b)
+_Py_c_diff(Py_complex a, Py_complex b)
 {
     Py_complex r;
     r.real = a.real - b.real;
@@ -31,7 +31,7 @@ c_diff(Py_complex a, Py_complex b)
 }
 
 Py_complex
-c_neg(Py_complex a)
+_Py_c_neg(Py_complex a)
 {
     Py_complex r;
     r.real = -a.real;
@@ -40,7 +40,7 @@ c_neg(Py_complex a)
 }
 
 Py_complex
-c_prod(Py_complex a, Py_complex b)
+_Py_c_prod(Py_complex a, Py_complex b)
 {
     Py_complex r;
     r.real = a.real*b.real - a.imag*b.imag;
@@ -49,7 +49,7 @@ c_prod(Py_complex a, Py_complex b)
 }
 
 Py_complex
-c_quot(Py_complex a, Py_complex b)
+_Py_c_quot(Py_complex a, Py_complex b)
 {
     /******************************************************************
     This was the original algorithm.  It's grossly prone to spurious
@@ -107,7 +107,7 @@ c_quot(Py_complex a, Py_complex b)
 }
 
 Py_complex
-c_pow(Py_complex a, Py_complex b)
+_Py_c_pow(Py_complex a, Py_complex b)
 {
     Py_complex r;
     double vabs,len,at,phase;
@@ -145,9 +145,9 @@ c_powu(Py_complex x, long n)
     p = x;
     while (mask > 0 && n >= mask) {
         if (n & mask)
-            r = c_prod(r,p);
+            r = _Py_c_prod(r,p);
         mask <<= 1;
-        p = c_prod(p,p);
+        p = _Py_c_prod(p,p);
     }
     return r;
 }
@@ -160,17 +160,17 @@ c_powi(Py_complex x, long n)
     if (n > 100 || n < -100) {
         cn.real = (double) n;
         cn.imag = 0.;
-        return c_pow(x,cn);
+        return _Py_c_pow(x,cn);
     }
     else if (n > 0)
         return c_powu(x,n);
     else
-        return c_quot(c_1,c_powu(x,-n));
+        return _Py_c_quot(c_1, c_powu(x,-n));
 
 }
 
 double
-c_abs(Py_complex z)
+_Py_c_abs(Py_complex z)
 {
     /* sets errno = ERANGE on overflow;  otherwise errno = 0 */
     double result;
@@ -445,7 +445,7 @@ complex_add(PyObject *v, PyObject *w)
     TO_COMPLEX(v, a);
     TO_COMPLEX(w, b);
     PyFPE_START_PROTECT("complex_add", return 0)
-    result = c_sum(a, b);
+    result = _Py_c_sum(a, b);
     PyFPE_END_PROTECT(result)
     return PyComplex_FromCComplex(result);
 }
@@ -458,7 +458,7 @@ complex_sub(PyObject *v, PyObject *w)
     TO_COMPLEX(v, a);
     TO_COMPLEX(w, b);
     PyFPE_START_PROTECT("complex_sub", return 0)
-    result = c_diff(a, b);
+    result = _Py_c_diff(a, b);
     PyFPE_END_PROTECT(result)
     return PyComplex_FromCComplex(result);
 }
@@ -471,7 +471,7 @@ complex_mul(PyObject *v, PyObject *w)
     TO_COMPLEX(v, a);
     TO_COMPLEX(w, b);
     PyFPE_START_PROTECT("complex_mul", return 0)
-    result = c_prod(a, b);
+    result = _Py_c_prod(a, b);
     PyFPE_END_PROTECT(result)
     return PyComplex_FromCComplex(result);
 }
@@ -485,7 +485,7 @@ complex_div(PyObject *v, PyObject *w)
     TO_COMPLEX(w, b);
     PyFPE_START_PROTECT("complex_div", return 0)
     errno = 0;
-    quot = c_quot(a, b);
+    quot = _Py_c_quot(a, b);
     PyFPE_END_PROTECT(quot)
     if (errno == EDOM) {
         PyErr_SetString(PyExc_ZeroDivisionError, "complex division by zero");
@@ -532,7 +532,7 @@ complex_pow(PyObject *v, PyObject *w, PyObject *z)
     if (exponent.imag == 0. && exponent.real == int_exponent)
         p = c_powi(a, int_exponent);
     else
-        p = c_pow(a, exponent);
+        p = _Py_c_pow(a, exponent);
 
     PyFPE_END_PROTECT(p)
     Py_ADJUST_ERANGE2(p.real, p.imag);
@@ -583,7 +583,7 @@ complex_abs(PyComplexObject *v)
     double result;
 
     PyFPE_START_PROTECT("complex_abs", return 0)
-    result = c_abs(v->cval);
+    result = _Py_c_abs(v->cval);
     PyFPE_END_PROTECT(result)
 
     if (errno == ERANGE) {
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index bab6242..cb0d2a7 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -233,6 +233,8 @@ static int dictresize(PyDictObject *mp, Py_ssize_t minused);
 static PyDictObject *free_list[PyDict_MAXFREELIST];
 static int numfree = 0;
 
+#include "clinic/dictobject.c.h"
+
 int
 PyDict_ClearFreeList(void)
 {
@@ -1101,6 +1103,44 @@ PyDict_GetItem(PyObject *op, PyObject *key)
     return *value_addr;
 }
 
+PyObject *
+_PyDict_GetItem_KnownHash(PyObject *op, PyObject *key, Py_hash_t hash)
+{
+    PyDictObject *mp = (PyDictObject *)op;
+    PyDictKeyEntry *ep;
+    PyThreadState *tstate;
+    PyObject **value_addr;
+
+    if (!PyDict_Check(op))
+        return NULL;
+
+    /* We can arrive here with a NULL tstate during initialization: try
+       running "python -Wi" for an example related to string interning.
+       Let's just hope that no exception occurs then...  This must be
+       _PyThreadState_Current and not PyThreadState_GET() because in debug
+       mode, the latter complains if tstate is NULL. */
+    tstate = (PyThreadState*)_Py_atomic_load_relaxed(
+        &_PyThreadState_Current);
+    if (tstate != NULL && tstate->curexc_type != NULL) {
+        /* preserve the existing exception */
+        PyObject *err_type, *err_value, *err_tb;
+        PyErr_Fetch(&err_type, &err_value, &err_tb);
+        ep = (mp->ma_keys->dk_lookup)(mp, key, hash, &value_addr);
+        /* ignore errors */
+        PyErr_Restore(err_type, err_value, err_tb);
+        if (ep == NULL)
+            return NULL;
+    }
+    else {
+        ep = (mp->ma_keys->dk_lookup)(mp, key, hash, &value_addr);
+        if (ep == NULL) {
+            PyErr_Clear();
+            return NULL;
+        }
+    }
+    return *value_addr;
+}
+
 /* Variant of PyDict_GetItem() that doesn't suppress exceptions.
    This returns NULL *with* an exception set if an exception occurred.
    It returns NULL *without* an exception set if the key wasn't present.
@@ -1208,6 +1248,24 @@ PyDict_SetItem(PyObject *op, PyObject *key, PyObject *value)
 }
 
 int
+_PyDict_SetItem_KnownHash(PyObject *op, PyObject *key, PyObject *value,
+                         Py_hash_t hash)
+{
+    PyDictObject *mp;
+
+    if (!PyDict_Check(op)) {
+        PyErr_BadInternalCall();
+        return -1;
+    }
+    assert(key);
+    assert(value);
+    mp = (PyDictObject *)op;
+
+    /* insertdict() handles any resizing that might be necessary */
+    return insertdict(mp, key, hash, value);
+}
+
+int
 PyDict_DelItem(PyObject *op, PyObject *key)
 {
     PyDictObject *mp;
@@ -1701,38 +1759,9 @@ dict.fromkeys
 Returns a new dict with keys from iterable and values equal to value.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(dict_fromkeys__doc__,
-"fromkeys($type, iterable, value=None, /)\n"
-"--\n"
-"\n"
-"Returns a new dict with keys from iterable and values equal to value.");
-
-#define DICT_FROMKEYS_METHODDEF    \
-    {"fromkeys", (PyCFunction)dict_fromkeys, METH_VARARGS|METH_CLASS, dict_fromkeys__doc__},
-
-static PyObject *
-dict_fromkeys_impl(PyTypeObject *type, PyObject *iterable, PyObject *value);
-
-static PyObject *
-dict_fromkeys(PyTypeObject *type, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    PyObject *iterable;
-    PyObject *value = Py_None;
-
-    if (!PyArg_UnpackTuple(args, "fromkeys",
-        1, 2,
-        &iterable, &value))
-        goto exit;
-    return_value = dict_fromkeys_impl(type, iterable, value);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
 dict_fromkeys_impl(PyTypeObject *type, PyObject *iterable, PyObject *value)
-/*[clinic end generated code: output=55f8dc0ffa87406f input=b85a667f9bf4669d]*/
+/*[clinic end generated code: output=8fb98e4b10384999 input=b85a667f9bf4669d]*/
 {
     PyObject *it;       /* iter(seq) */
     PyObject *key;
@@ -2210,18 +2239,9 @@ dict.__contains__
 True if D has a key k, else False.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(dict___contains____doc__,
-"__contains__($self, key, /)\n"
-"--\n"
-"\n"
-"True if D has a key k, else False.");
-
-#define DICT___CONTAINS___METHODDEF    \
-    {"__contains__", (PyCFunction)dict___contains__, METH_O|METH_COEXIST, dict___contains____doc__},
-
 static PyObject *
 dict___contains__(PyDictObject *self, PyObject *key)
-/*[clinic end generated code: output=3cf3f8aaf2cc5cc3 input=b852b2a19b51ab24]*/
+/*[clinic end generated code: output=a3d03db709ed6e6b input=b852b2a19b51ab24]*/
 {
     register PyDictObject *mp = self;
     Py_hash_t hash;
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index c76eca8..e09d384 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -2718,7 +2718,7 @@ _PyErr_TrySetFromCause(const char *format, ...)
     same_basic_size = (
         caught_type_size == base_exc_size ||
         (PyType_SUPPORTS_WEAKREFS(caught_type) &&
-            (caught_type_size == base_exc_size + sizeof(PyObject *))
+            (caught_type_size == base_exc_size + (Py_ssize_t)sizeof(PyObject *))
         )
     );
     if (caught_type->tp_init != (initproc)BaseException_init ||
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 596f909..1b18410 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -372,7 +372,7 @@ PyFile_NewStdPrinter(int fd)
 static PyObject *
 stdprinter_write(PyStdPrinter_Object *self, PyObject *args)
 {
-    char *c;
+    char *str;
     Py_ssize_t n;
 
     if (self->fd < 0) {
@@ -383,26 +383,16 @@ stdprinter_write(PyStdPrinter_Object *self, PyObject *args)
         Py_RETURN_NONE;
     }
 
-    if (!PyArg_ParseTuple(args, "s", &c)) {
+    /* encode Unicode to UTF-8 */
+    if (!PyArg_ParseTuple(args, "s", &str))
         return NULL;
-    }
-    n = strlen(c);
 
-    Py_BEGIN_ALLOW_THREADS
-    errno = 0;
-#ifdef MS_WINDOWS
-    if (n > INT_MAX)
-        n = INT_MAX;
-    n = write(self->fd, c, (int)n);
-#else
-    n = write(self->fd, c, n);
-#endif
-    Py_END_ALLOW_THREADS
-
-    if (n < 0) {
-        if (errno == EAGAIN)
+    n = _Py_write(self->fd, str, strlen(str));
+    if (n == -1) {
+        if (errno == EAGAIN) {
+            PyErr_Clear();
             Py_RETURN_NONE;
-        PyErr_SetFromErrno(PyExc_IOError);
+        }
         return NULL;
     }
 
diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 1dca947..d681981 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -986,8 +986,9 @@ float_round(PyObject *v, PyObject *args)
     x = PyFloat_AsDouble(v);
     if (!PyArg_ParseTuple(args, "|O", &o_ndigits))
         return NULL;
-    if (o_ndigits == NULL) {
-        /* single-argument round: round to nearest integer */
+    if (o_ndigits == NULL || o_ndigits == Py_None) {
+        /* single-argument round or with None ndigits:
+         * round to nearest integer */
         rounded = round(x);
         if (fabs(x-rounded) == 0.5)
             /* halfway case: round to even */
@@ -2033,7 +2034,7 @@ _PyFloat_Pack4(double x, unsigned char *p, int le)
     }
     else {
         float y = (float)x;
-        const char *s = (char*)&y;
+        const unsigned char *s = (unsigned char*)&y;
         int i, incr = 1;
 
         if (Py_IS_INFINITY(y) && !Py_IS_INFINITY(x))
@@ -2169,7 +2170,7 @@ _PyFloat_Pack8(double x, unsigned char *p, int le)
         return -1;
     }
     else {
-        const char *s = (char*)&x;
+        const unsigned char *s = (unsigned char*)&x;
         int i, incr = 1;
 
         if ((double_format == ieee_little_endian_format && !le)
diff --git a/Objects/genobject.c b/Objects/genobject.c
index 08d30bf..4be739a 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -12,6 +12,8 @@ gen_traverse(PyGenObject *gen, visitproc visit, void *arg)
 {
     Py_VISIT((PyObject *)gen->gi_frame);
     Py_VISIT(gen->gi_code);
+    Py_VISIT(gen->gi_name);
+    Py_VISIT(gen->gi_qualname);
     return 0;
 }
 
@@ -58,6 +60,8 @@ gen_dealloc(PyGenObject *gen)
     _PyObject_GC_UNTRACK(self);
     Py_CLEAR(gen->gi_frame);
     Py_CLEAR(gen->gi_code);
+    Py_CLEAR(gen->gi_name);
+    Py_CLEAR(gen->gi_qualname);
     PyObject_GC_Del(gen);
 }
 
@@ -373,11 +377,7 @@ failed_throw:
 static PyObject *
 gen_iternext(PyGenObject *gen)
 {
-    PyObject *val = NULL;
-    PyObject *ret;
-    ret = gen_send_ex(gen, val, 0);
-    Py_XDECREF(val);
-    return ret;
+    return gen_send_ex(gen, NULL, 0);
 }
 
 /*
@@ -418,33 +418,73 @@ static PyObject *
 gen_repr(PyGenObject *gen)
 {
     return PyUnicode_FromFormat("<generator object %S at %p>",
-                                ((PyCodeObject *)gen->gi_code)->co_name,
-                                gen);
+                                gen->gi_qualname, gen);
+}
+
+static PyObject *
+gen_get_name(PyGenObject *op)
+{
+    Py_INCREF(op->gi_name);
+    return op->gi_name;
 }
 
+static int
+gen_set_name(PyGenObject *op, PyObject *value)
+{
+    PyObject *tmp;
+
+    /* Not legal to del gen.gi_name or to set it to anything
+     * other than a string object. */
+    if (value == NULL || !PyUnicode_Check(value)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__name__ must be set to a string object");
+        return -1;
+    }
+    tmp = op->gi_name;
+    Py_INCREF(value);
+    op->gi_name = value;
+    Py_DECREF(tmp);
+    return 0;
+}
 
 static PyObject *
-gen_get_name(PyGenObject *gen)
+gen_get_qualname(PyGenObject *op)
 {
-    PyObject *name = ((PyCodeObject *)gen->gi_code)->co_name;
-    Py_INCREF(name);
-    return name;
+    Py_INCREF(op->gi_qualname);
+    return op->gi_qualname;
 }
 
+static int
+gen_set_qualname(PyGenObject *op, PyObject *value)
+{
+    PyObject *tmp;
 
-PyDoc_STRVAR(gen__name__doc__,
-"Return the name of the generator's associated code object.");
+    /* Not legal to del gen.__qualname__ or to set it to anything
+     * other than a string object. */
+    if (value == NULL || !PyUnicode_Check(value)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "__qualname__ must be set to a string object");
+        return -1;
+    }
+    tmp = op->gi_qualname;
+    Py_INCREF(value);
+    op->gi_qualname = value;
+    Py_DECREF(tmp);
+    return 0;
+}
 
 static PyGetSetDef gen_getsetlist[] = {
-    {"__name__", (getter)gen_get_name, NULL, gen__name__doc__},
-    {NULL}
+    {"__name__", (getter)gen_get_name, (setter)gen_set_name,
+     PyDoc_STR("name of the generator")},
+    {"__qualname__", (getter)gen_get_qualname, (setter)gen_set_qualname,
+     PyDoc_STR("qualified name of the generator")},
+    {NULL} /* Sentinel */
 };
 
-
 static PyMemberDef gen_memberlist[] = {
-    {"gi_frame",        T_OBJECT, offsetof(PyGenObject, gi_frame),      READONLY},
-    {"gi_running",      T_BOOL,    offsetof(PyGenObject, gi_running),    READONLY},
-    {"gi_code",     T_OBJECT, offsetof(PyGenObject, gi_code),  READONLY},
+    {"gi_frame",     T_OBJECT, offsetof(PyGenObject, gi_frame),    READONLY},
+    {"gi_running",   T_BOOL,   offsetof(PyGenObject, gi_running),  READONLY},
+    {"gi_code",      T_OBJECT, offsetof(PyGenObject, gi_code),     READONLY},
     {NULL}      /* Sentinel */
 };
 
@@ -510,7 +550,7 @@ PyTypeObject PyGen_Type = {
 };
 
 PyObject *
-PyGen_New(PyFrameObject *f)
+PyGen_NewWithQualName(PyFrameObject *f, PyObject *name, PyObject *qualname)
 {
     PyGenObject *gen = PyObject_GC_New(PyGenObject, &PyGen_Type);
     if (gen == NULL) {
@@ -523,10 +563,26 @@ PyGen_New(PyFrameObject *f)
     gen->gi_code = (PyObject *)(f->f_code);
     gen->gi_running = 0;
     gen->gi_weakreflist = NULL;
+    if (name != NULL)
+        gen->gi_name = name;
+    else
+        gen->gi_name = ((PyCodeObject *)gen->gi_code)->co_name;
+    Py_INCREF(gen->gi_name);
+    if (qualname != NULL)
+        gen->gi_qualname = qualname;
+    else
+        gen->gi_qualname = gen->gi_name;
+    Py_INCREF(gen->gi_qualname);
     _PyObject_GC_TRACK(gen);
     return (PyObject *)gen;
 }
 
+PyObject *
+PyGen_New(PyFrameObject *f)
+{
+    return PyGen_NewWithQualName(f, NULL, NULL);
+}
+
 int
 PyGen_NeedsFinalizing(PyGenObject *gen)
 {
diff --git a/Objects/iterobject.c b/Objects/iterobject.c
index 77ff810..baa51da 100644
--- a/Objects/iterobject.c
+++ b/Objects/iterobject.c
@@ -212,7 +212,7 @@ calliter_iternext(calliterobject *it)
         Py_DECREF(args);
         if (result != NULL) {
             int ok;
-            ok = PyObject_RichCompareBool(it->it_sentinel, result, Py_EQ);               
+            ok = PyObject_RichCompareBool(it->it_sentinel, result, Py_EQ);
             if (ok == 0)
                 return result; /* Common case, fast path */
             Py_DECREF(result);
diff --git a/Objects/listobject.c b/Objects/listobject.c
index b6c1d78..8f88d18 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -2445,7 +2445,7 @@ list_subscript(PyListObject* self, PyObject* item)
     }
     else {
         PyErr_Format(PyExc_TypeError,
-                     "list indices must be integers, not %.200s",
+                     "list indices must be integers or slices, not %.200s",
                      item->ob_type->tp_name);
         return NULL;
     }
@@ -2609,7 +2609,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
     }
     else {
         PyErr_Format(PyExc_TypeError,
-                     "list indices must be integers, not %.200s",
+                     "list indices must be integers or slices, not %.200s",
                      item->ob_type->tp_name);
         return -1;
     }
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 7036c0e..27bee50 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -21,7 +21,6 @@
          Py_SIZE(x) < 0 ? -(sdigit)(x)->ob_digit[0] :   \
              (Py_SIZE(x) == 0 ? (sdigit)0 :                             \
               (sdigit)(x)->ob_digit[0]))
-#define ABS(x) ((x) < 0 ? -(x) : (x))
 
 #if NSMALLNEGINTS + NSMALLPOSINTS > 0
 /* Small integers are preallocated in this array so that they
@@ -57,7 +56,7 @@ get_small_int(sdigit ival)
 static PyLongObject *
 maybe_small_long(PyLongObject *v)
 {
-    if (v && ABS(Py_SIZE(v)) <= 1) {
+    if (v && Py_ABS(Py_SIZE(v)) <= 1) {
         sdigit ival = MEDIUM_VALUE(v);
         if (-NSMALLNEGINTS <= ival && ival < NSMALLPOSINTS) {
             Py_DECREF(v);
@@ -114,7 +113,7 @@ _PyLong_Negate(PyLongObject **x_p)
 static PyLongObject *
 long_normalize(PyLongObject *v)
 {
-    Py_ssize_t j = ABS(Py_SIZE(v));
+    Py_ssize_t j = Py_ABS(Py_SIZE(v));
     Py_ssize_t i = j;
 
     while (i > 0 && v->ob_digit[i-1] == 0)
@@ -718,7 +717,7 @@ _PyLong_NumBits(PyObject *vv)
 
     assert(v != NULL);
     assert(PyLong_Check(v));
-    ndigits = ABS(Py_SIZE(v));
+    ndigits = Py_ABS(Py_SIZE(v));
     assert(ndigits == 0 || v->ob_digit[ndigits - 1] != 0);
     if (ndigits > 0) {
         digit msd = v->ob_digit[ndigits - 1];
@@ -1565,7 +1564,7 @@ inplace_divrem1(digit *pout, digit *pin, Py_ssize_t size, digit n)
 static PyLongObject *
 divrem1(PyLongObject *a, digit n, digit *prem)
 {
-    const Py_ssize_t size = ABS(Py_SIZE(a));
+    const Py_ssize_t size = Py_ABS(Py_SIZE(a));
     PyLongObject *z;
 
     assert(n > 0 && n <= PyLong_MASK);
@@ -1597,7 +1596,7 @@ long_to_decimal_string_internal(PyObject *aa,
         PyErr_BadInternalCall();
         return -1;
     }
-    size_a = ABS(Py_SIZE(a));
+    size_a = Py_ABS(Py_SIZE(a));
     negative = Py_SIZE(a) < 0;
 
     /* quick and dirty upper bound for the number of digits
@@ -1766,7 +1765,7 @@ long_format_binary(PyObject *aa, int base, int alternate,
         PyErr_BadInternalCall();
         return -1;
     }
-    size_a = ABS(Py_SIZE(a));
+    size_a = Py_ABS(Py_SIZE(a));
     negative = Py_SIZE(a) < 0;
 
     /* Compute a rough upper bound for the length of the string */
@@ -2313,7 +2312,7 @@ _PyLong_FromBytes(const char *s, Py_ssize_t len, int base)
     PyObject *result, *strobj;
     char *end = NULL;
 
-    result = PyLong_FromString((char*)s, &end, base);
+    result = PyLong_FromString(s, &end, base);
     if (end == NULL || (result != NULL && end == s + len))
         return result;
     Py_XDECREF(result);
@@ -2380,7 +2379,7 @@ static int
 long_divrem(PyLongObject *a, PyLongObject *b,
             PyLongObject **pdiv, PyLongObject **prem)
 {
-    Py_ssize_t size_a = ABS(Py_SIZE(a)), size_b = ABS(Py_SIZE(b));
+    Py_ssize_t size_a = Py_ABS(Py_SIZE(a)), size_b = Py_ABS(Py_SIZE(b));
     PyLongObject *z;
 
     if (size_b == 0) {
@@ -2439,7 +2438,7 @@ long_divrem(PyLongObject *a, PyLongObject *b,
 }
 
 /* Unsigned int division with remainder -- the algorithm.  The arguments v1
-   and w1 should satisfy 2 <= ABS(Py_SIZE(w1)) <= ABS(Py_SIZE(v1)). */
+   and w1 should satisfy 2 <= Py_ABS(Py_SIZE(w1)) <= Py_ABS(Py_SIZE(v1)). */
 
 static PyLongObject *
 x_divrem(PyLongObject *v1, PyLongObject *w1, PyLongObject **prem)
@@ -2459,8 +2458,8 @@ x_divrem(PyLongObject *v1, PyLongObject *w1, PyLongObject **prem)
        that won't overflow a digit. */
 
     /* allocate space; w will also be used to hold the final remainder */
-    size_v = ABS(Py_SIZE(v1));
-    size_w = ABS(Py_SIZE(w1));
+    size_v = Py_ABS(Py_SIZE(v1));
+    size_w = Py_ABS(Py_SIZE(w1));
     assert(size_v >= size_w && size_w >= 2); /* Assert checks by div() */
     v = _PyLong_New(size_v+1);
     if (v == NULL) {
@@ -2591,7 +2590,7 @@ _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e)
        multiple of 4, rounding ties to a multiple of 8. */
     static const int half_even_correction[8] = {0, -1, -2, 1, 0, -1, 2, 1};
 
-    a_size = ABS(Py_SIZE(a));
+    a_size = Py_ABS(Py_SIZE(a));
     if (a_size == 0) {
         /* Special case for 0: significand 0.0, exponent 0. */
         *e = 0;
@@ -2732,7 +2731,7 @@ long_compare(PyLongObject *a, PyLongObject *b)
         sign = Py_SIZE(a) - Py_SIZE(b);
     }
     else {
-        Py_ssize_t i = ABS(Py_SIZE(a));
+        Py_ssize_t i = Py_ABS(Py_SIZE(a));
         while (--i >= 0 && a->ob_digit[i] == b->ob_digit[i])
             ;
         if (i < 0)
@@ -2850,7 +2849,7 @@ long_hash(PyLongObject *v)
 static PyLongObject *
 x_add(PyLongObject *a, PyLongObject *b)
 {
-    Py_ssize_t size_a = ABS(Py_SIZE(a)), size_b = ABS(Py_SIZE(b));
+    Py_ssize_t size_a = Py_ABS(Py_SIZE(a)), size_b = Py_ABS(Py_SIZE(b));
     PyLongObject *z;
     Py_ssize_t i;
     digit carry = 0;
@@ -2884,7 +2883,7 @@ x_add(PyLongObject *a, PyLongObject *b)
 static PyLongObject *
 x_sub(PyLongObject *a, PyLongObject *b)
 {
-    Py_ssize_t size_a = ABS(Py_SIZE(a)), size_b = ABS(Py_SIZE(b));
+    Py_ssize_t size_a = Py_ABS(Py_SIZE(a)), size_b = Py_ABS(Py_SIZE(b));
     PyLongObject *z;
     Py_ssize_t i;
     int sign = 1;
@@ -2944,7 +2943,7 @@ long_add(PyLongObject *a, PyLongObject *b)
 
     CHECK_BINOP(a, b);
 
-    if (ABS(Py_SIZE(a)) <= 1 && ABS(Py_SIZE(b)) <= 1) {
+    if (Py_ABS(Py_SIZE(a)) <= 1 && Py_ABS(Py_SIZE(b)) <= 1) {
         PyObject *result = PyLong_FromLong(MEDIUM_VALUE(a) +
                                           MEDIUM_VALUE(b));
         return result;
@@ -2974,7 +2973,7 @@ long_sub(PyLongObject *a, PyLongObject *b)
 
     CHECK_BINOP(a, b);
 
-    if (ABS(Py_SIZE(a)) <= 1 && ABS(Py_SIZE(b)) <= 1) {
+    if (Py_ABS(Py_SIZE(a)) <= 1 && Py_ABS(Py_SIZE(b)) <= 1) {
         PyObject* r;
         r = PyLong_FromLong(MEDIUM_VALUE(a)-MEDIUM_VALUE(b));
         return r;
@@ -3003,8 +3002,8 @@ static PyLongObject *
 x_mul(PyLongObject *a, PyLongObject *b)
 {
     PyLongObject *z;
-    Py_ssize_t size_a = ABS(Py_SIZE(a));
-    Py_ssize_t size_b = ABS(Py_SIZE(b));
+    Py_ssize_t size_a = Py_ABS(Py_SIZE(a));
+    Py_ssize_t size_b = Py_ABS(Py_SIZE(b));
     Py_ssize_t i;
 
     z = _PyLong_New(size_a + size_b);
@@ -3098,7 +3097,7 @@ kmul_split(PyLongObject *n,
 {
     PyLongObject *hi, *lo;
     Py_ssize_t size_lo, size_hi;
-    const Py_ssize_t size_n = ABS(Py_SIZE(n));
+    const Py_ssize_t size_n = Py_ABS(Py_SIZE(n));
 
     size_lo = Py_MIN(size_n, size);
     size_hi = size_n - size_lo;
@@ -3127,8 +3126,8 @@ static PyLongObject *k_lopsided_mul(PyLongObject *a, PyLongObject *b);
 static PyLongObject *
 k_mul(PyLongObject *a, PyLongObject *b)
 {
-    Py_ssize_t asize = ABS(Py_SIZE(a));
-    Py_ssize_t bsize = ABS(Py_SIZE(b));
+    Py_ssize_t asize = Py_ABS(Py_SIZE(a));
+    Py_ssize_t bsize = Py_ABS(Py_SIZE(b));
     PyLongObject *ah = NULL;
     PyLongObject *al = NULL;
     PyLongObject *bh = NULL;
@@ -3348,8 +3347,8 @@ ah*bh and al*bl too.
 static PyLongObject *
 k_lopsided_mul(PyLongObject *a, PyLongObject *b)
 {
-    const Py_ssize_t asize = ABS(Py_SIZE(a));
-    Py_ssize_t bsize = ABS(Py_SIZE(b));
+    const Py_ssize_t asize = Py_ABS(Py_SIZE(a));
+    Py_ssize_t bsize = Py_ABS(Py_SIZE(b));
     Py_ssize_t nbdone;          /* # of b digits already multiplied */
     PyLongObject *ret;
     PyLongObject *bslice = NULL;
@@ -3407,7 +3406,7 @@ long_mul(PyLongObject *a, PyLongObject *b)
     CHECK_BINOP(a, b);
 
     /* fast path for single-digit multiplication */
-    if (ABS(Py_SIZE(a)) <= 1 && ABS(Py_SIZE(b)) <= 1) {
+    if (Py_ABS(Py_SIZE(a)) <= 1 && Py_ABS(Py_SIZE(b)) <= 1) {
         stwodigits v = (stwodigits)(MEDIUM_VALUE(a)) * MEDIUM_VALUE(b);
 #ifdef HAVE_LONG_LONG
         return PyLong_FromLongLong((PY_LONG_LONG)v);
@@ -3614,8 +3613,8 @@ long_true_divide(PyObject *v, PyObject *w)
     */
 
     /* Reduce to case where a and b are both positive. */
-    a_size = ABS(Py_SIZE(a));
-    b_size = ABS(Py_SIZE(b));
+    a_size = Py_ABS(Py_SIZE(a));
+    b_size = Py_ABS(Py_SIZE(b));
     negate = (Py_SIZE(a) < 0) ^ (Py_SIZE(b) < 0);
     if (b_size == 0) {
         PyErr_SetString(PyExc_ZeroDivisionError,
@@ -3731,7 +3730,7 @@ long_true_divide(PyObject *v, PyObject *w)
             inexact = 1;
         Py_DECREF(rem);
     }
-    x_size = ABS(Py_SIZE(x));
+    x_size = Py_ABS(Py_SIZE(x));
     assert(x_size > 0); /* result of division is never zero */
     x_bits = (x_size-1)*PyLong_SHIFT+bits_in_digit(x->ob_digit[x_size-1]);
 
@@ -3841,7 +3840,7 @@ long_pow(PyObject *v, PyObject *w, PyObject *x)
 
     if (Py_SIZE(b) < 0) {  /* if exponent is negative */
         if (c) {
-            PyErr_SetString(PyExc_TypeError, "pow() 2nd argument "
+            PyErr_SetString(PyExc_ValueError, "pow() 2nd argument "
                             "cannot be negative when 3rd argument specified");
             goto Error;
         }
@@ -4003,7 +4002,7 @@ long_invert(PyLongObject *v)
     /* Implement ~x as -(x+1) */
     PyLongObject *x;
     PyLongObject *w;
-    if (ABS(Py_SIZE(v)) <=1)
+    if (Py_ABS(Py_SIZE(v)) <=1)
         return PyLong_FromLong(-(MEDIUM_VALUE(v)+1));
     w = (PyLongObject *)PyLong_FromLong(1L);
     if (w == NULL)
@@ -4020,7 +4019,7 @@ static PyObject *
 long_neg(PyLongObject *v)
 {
     PyLongObject *z;
-    if (ABS(Py_SIZE(v)) <= 1)
+    if (Py_ABS(Py_SIZE(v)) <= 1)
         return PyLong_FromLong(-MEDIUM_VALUE(v));
     z = (PyLongObject *)_PyLong_Copy(v);
     if (z != NULL)
@@ -4075,7 +4074,7 @@ long_rshift(PyLongObject *a, PyLongObject *b)
             goto rshift_error;
         }
         wordshift = shiftby / PyLong_SHIFT;
-        newsize = ABS(Py_SIZE(a)) - wordshift;
+        newsize = Py_ABS(Py_SIZE(a)) - wordshift;
         if (newsize <= 0)
             return PyLong_FromLong(0);
         loshift = shiftby % PyLong_SHIFT;
@@ -4122,7 +4121,7 @@ long_lshift(PyObject *v, PyObject *w)
     wordshift = shiftby / PyLong_SHIFT;
     remshift  = shiftby - wordshift * PyLong_SHIFT;
 
-    oldsize = ABS(Py_SIZE(a));
+    oldsize = Py_ABS(Py_SIZE(a));
     newsize = oldsize + wordshift;
     if (remshift)
         ++newsize;
@@ -4183,7 +4182,7 @@ long_bitwise(PyLongObject *a,
        result back to sign-magnitude at the end. */
 
     /* If a is negative, replace it by its two's complement. */
-    size_a = ABS(Py_SIZE(a));
+    size_a = Py_ABS(Py_SIZE(a));
     nega = Py_SIZE(a) < 0;
     if (nega) {
         z = _PyLong_New(size_a);
@@ -4197,7 +4196,7 @@ long_bitwise(PyLongObject *a,
         Py_INCREF(a);
 
     /* Same for b. */
-    size_b = ABS(Py_SIZE(b));
+    size_b = Py_ABS(Py_SIZE(b));
     negb = Py_SIZE(b) < 0;
     if (negb) {
         z = _PyLong_New(size_b);
@@ -4630,7 +4629,7 @@ long_sizeof(PyLongObject *v)
 {
     Py_ssize_t res;
 
-    res = offsetof(PyLongObject, ob_digit) + ABS(Py_SIZE(v))*sizeof(digit);
+    res = offsetof(PyLongObject, ob_digit) + Py_ABS(Py_SIZE(v))*sizeof(digit);
     return PyLong_FromSsize_t(res);
 }
 
@@ -4644,7 +4643,7 @@ long_bit_length(PyLongObject *v)
     assert(v != NULL);
     assert(PyLong_Check(v));
 
-    ndigits = ABS(Py_SIZE(v));
+    ndigits = Py_ABS(Py_SIZE(v));
     if (ndigits == 0)
         return PyLong_FromLong(0);
 
@@ -4849,7 +4848,7 @@ long_from_bytes(PyTypeObject *type, PyObject *args, PyObject *kwds)
     if (type != &PyLong_Type && PyType_IsSubtype(type, &PyLong_Type)) {
         PyLongObject *newobj;
         int i;
-        Py_ssize_t n = ABS(Py_SIZE(long_obj));
+        Py_ssize_t n = Py_ABS(Py_SIZE(long_obj));
 
         newobj = (PyLongObject *)type->tp_alloc(type, n);
         if (newobj == NULL) {
@@ -4874,9 +4873,7 @@ PyDoc_STRVAR(long_from_bytes_doc,
 \n\
 Return the integer represented by the given array of bytes.\n\
 \n\
-The bytes argument must either support the buffer protocol or be an\n\
-iterable object producing bytes.  Bytes and bytearray are examples of\n\
-built-in objects that support the buffer protocol.\n\
+The bytes argument must be a bytes-like object (e.g. bytes or bytearray).\n\
 \n\
 The byteorder argument determines the byte order used to represent the\n\
 integer.  If byteorder is 'big', the most significant byte is at the\n\
@@ -5095,13 +5092,13 @@ _PyLong_Init(void)
              * to the original refcnt + 1 */
             Py_REFCNT(op) = refcnt + 1;
             assert(Py_SIZE(op) == size);
-            assert(v->ob_digit[0] == abs(ival));
+            assert(v->ob_digit[0] == (digit)abs(ival));
         }
         else {
             (void)PyObject_INIT(v, &PyLong_Type);
         }
         Py_SIZE(v) = size;
-        v->ob_digit[0] = abs(ival);
+        v->ob_digit[0] = (digit)abs(ival);
     }
 #endif
     /* initialize int_info */
diff --git a/Objects/memoryobject.c b/Objects/memoryobject.c
index 0be8493..b6951ab 100644
--- a/Objects/memoryobject.c
+++ b/Objects/memoryobject.c
@@ -48,9 +48,6 @@
 */
 
 
-#define XSTRINGIZE(v) #v
-#define STRINGIZE(v) XSTRINGIZE(v)
-
 #define CHECK_MBUF_RELEASED(mbuf) \
     if (((_PyManagedBufferObject *)mbuf)->flags&_Py_MANAGED_BUFFER_RELEASED) { \
         PyErr_SetString(PyExc_ValueError,                                      \
@@ -195,10 +192,10 @@ PyTypeObject _PyManagedBuffer_Type = {
 #define VIEW_ADDR(mv) (&((PyMemoryViewObject *)mv)->view)
 
 /* Check for the presence of suboffsets in the first dimension. */
-#define HAVE_PTR(suboffsets) (suboffsets && suboffsets[0] >= 0)
+#define HAVE_PTR(suboffsets, dim) (suboffsets && suboffsets[dim] >= 0)
 /* Adjust ptr if suboffsets are present. */
-#define ADJUST_PTR(ptr, suboffsets) \
-    (HAVE_PTR(suboffsets) ? *((char**)ptr) + suboffsets[0] : ptr)
+#define ADJUST_PTR(ptr, suboffsets, dim) \
+    (HAVE_PTR(suboffsets, dim) ? *((char**)ptr) + suboffsets[dim] : ptr)
 
 /* Memoryview buffer properties */
 #define MV_C_CONTIGUOUS(flags) (flags&(_Py_MEMORYVIEW_SCALAR|_Py_MEMORYVIEW_C))
@@ -223,7 +220,7 @@ PyTypeObject _PyManagedBuffer_Type = {
 
 
 PyDoc_STRVAR(memory_doc,
-"memoryview(object)\n\
+"memoryview($module, object)\n--\n\
 \n\
 Create a new memoryview object which references the given object.");
 
@@ -335,11 +332,11 @@ copy_base(const Py_ssize_t *shape, Py_ssize_t itemsize,
         char *p;
         Py_ssize_t i;
         for (i=0, p=mem; i < shape[0]; p+=itemsize, sptr+=sstrides[0], i++) {
-            char *xsptr = ADJUST_PTR(sptr, ssuboffsets);
+            char *xsptr = ADJUST_PTR(sptr, ssuboffsets, 0);
             memcpy(p, xsptr, itemsize);
         }
         for (i=0, p=mem; i < shape[0]; p+=itemsize, dptr+=dstrides[0], i++) {
-            char *xdptr = ADJUST_PTR(dptr, dsuboffsets);
+            char *xdptr = ADJUST_PTR(dptr, dsuboffsets, 0);
             memcpy(xdptr, p, itemsize);
         }
     }
@@ -367,8 +364,8 @@ copy_rec(const Py_ssize_t *shape, Py_ssize_t ndim, Py_ssize_t itemsize,
     }
 
     for (i = 0; i < shape[0]; dptr+=dstrides[0], sptr+=sstrides[0], i++) {
-        char *xdptr = ADJUST_PTR(dptr, dsuboffsets);
-        char *xsptr = ADJUST_PTR(sptr, ssuboffsets);
+        char *xdptr = ADJUST_PTR(dptr, dsuboffsets, 0);
+        char *xsptr = ADJUST_PTR(sptr, ssuboffsets, 0);
 
         copy_rec(shape+1, ndim-1, itemsize,
                  xdptr, dstrides+1, dsuboffsets ? dsuboffsets+1 : NULL,
@@ -660,7 +657,7 @@ mbuf_add_view(_PyManagedBufferObject *mbuf, const Py_buffer *src)
     if (src->ndim > PyBUF_MAX_NDIM) {
         PyErr_SetString(PyExc_ValueError,
             "memoryview: number of dimensions must not exceed "
-            STRINGIZE(PyBUF_MAX_NDIM));
+            Py_STRINGIFY(PyBUF_MAX_NDIM));
         return NULL;
     }
 
@@ -795,7 +792,7 @@ PyMemoryView_FromObject(PyObject *v)
     }
 
     PyErr_Format(PyExc_TypeError,
-        "memoryview: %.200s object does not have the buffer interface",
+        "memoryview: a bytes-like object is required, not '%.200s'",
         Py_TYPE(v)->tp_name);
     return NULL;
 }
@@ -895,7 +892,7 @@ memory_from_contiguous_copy(Py_buffer *src, char order)
    The logical structure of the input and output buffers is the same
    (i.e. tolist(input) == tolist(output)), but the physical layout in
    memory can be explicitly chosen.
- 
+
    As usual, if buffertype=PyBUF_WRITE, the exporter's buffer must be writable,
    otherwise it may be writable or read-only.
 
@@ -1244,7 +1241,7 @@ cast_to_1D(PyMemoryViewObject *mv, PyObject *format)
     view->suboffsets = NULL;
 
     init_flags(mv);
- 
+
     ret = 0;
 
 out:
@@ -1389,7 +1386,7 @@ memory_cast(PyMemoryViewObject *self, PyObject *args, PyObject *kwds)
         if (ndim > PyBUF_MAX_NDIM) {
             PyErr_SetString(PyExc_ValueError,
                 "memoryview: number of dimensions must not exceed "
-                STRINGIZE(PyBUF_MAX_NDIM));
+                Py_STRINGIFY(PyBUF_MAX_NDIM));
             return NULL;
         }
         if (self->view.ndim != 1 && ndim != 1) {
@@ -2060,7 +2057,7 @@ tolist_base(const char *ptr, const Py_ssize_t *shape,
         return NULL;
 
     for (i = 0; i < shape[0]; ptr+=strides[0], i++) {
-        const char *xptr = ADJUST_PTR(ptr, suboffsets);
+        const char *xptr = ADJUST_PTR(ptr, suboffsets, 0);
         item = unpack_single(xptr, fmt);
         if (item == NULL) {
             Py_DECREF(lst);
@@ -2094,7 +2091,7 @@ tolist_rec(const char *ptr, Py_ssize_t ndim, const Py_ssize_t *shape,
         return NULL;
 
     for (i = 0; i < shape[0]; ptr+=strides[0], i++) {
-        const char *xptr = ADJUST_PTR(ptr, suboffsets);
+        const char *xptr = ADJUST_PTR(ptr, suboffsets, 0);
         item = tolist_rec(xptr, ndim-1, shape+1,
                           strides+1, suboffsets ? suboffsets+1 : NULL,
                           fmt);
@@ -2174,30 +2171,63 @@ memory_repr(PyMemoryViewObject *self)
 /*                          Indexing and slicing                          */
 /**************************************************************************/
 
-/* Get the pointer to the item at index. */
 static char *
-ptr_from_index(Py_buffer *view, Py_ssize_t index)
+lookup_dimension(Py_buffer *view, char *ptr, int dim, Py_ssize_t index)
 {
-    char *ptr;
-    Py_ssize_t nitems; /* items in the first dimension */
+    Py_ssize_t nitems; /* items in the given dimension */
 
     assert(view->shape);
     assert(view->strides);
 
-    nitems = view->shape[0];
+    nitems = view->shape[dim];
     if (index < 0) {
         index += nitems;
     }
     if (index < 0 || index >= nitems) {
-        PyErr_SetString(PyExc_IndexError, "index out of bounds");
+        PyErr_Format(PyExc_IndexError,
+                     "index out of bounds on dimension %d", dim + 1);
         return NULL;
     }
 
-    ptr = (char *)view->buf;
-    ptr += view->strides[0] * index;
+    ptr += view->strides[dim] * index;
+
+    ptr = ADJUST_PTR(ptr, view->suboffsets, dim);
+
+    return ptr;
+}
+
+/* Get the pointer to the item at index. */
+static char *
+ptr_from_index(Py_buffer *view, Py_ssize_t index)
+{
+    char *ptr = (char *)view->buf;
+    return lookup_dimension(view, ptr, 0, index);
+}
+
+/* Get the pointer to the item at tuple. */
+static char *
+ptr_from_tuple(Py_buffer *view, PyObject *tup)
+{
+    char *ptr = (char *)view->buf;
+    Py_ssize_t dim, nindices = PyTuple_GET_SIZE(tup);
 
-    ptr = ADJUST_PTR(ptr, view->suboffsets);
+    if (nindices > view->ndim) {
+        PyErr_Format(PyExc_TypeError,
+                     "cannot index %zd-dimension view with %zd-element tuple",
+                     view->ndim, nindices);
+        return NULL;
+    }
 
+    for (dim = 0; dim < nindices; dim++) {
+        Py_ssize_t index;
+        index = PyNumber_AsSsize_t(PyTuple_GET_ITEM(tup, dim),
+                                   PyExc_IndexError);
+        if (index == -1 && PyErr_Occurred())
+            return NULL;
+        ptr = lookup_dimension(view, ptr, dim, index);
+        if (ptr == NULL)
+            return NULL;
+    }
     return ptr;
 }
 
@@ -2232,6 +2262,32 @@ memory_item(PyMemoryViewObject *self, Py_ssize_t index)
     return NULL;
 }
 
+/* Return the item at position *key* (a tuple of indices). */
+static PyObject *
+memory_item_multi(PyMemoryViewObject *self, PyObject *tup)
+{
+    Py_buffer *view = &(self->view);
+    const char *fmt;
+    Py_ssize_t nindices = PyTuple_GET_SIZE(tup);
+    char *ptr;
+
+    CHECK_RELEASED(self);
+
+    fmt = adjust_fmt(view);
+    if (fmt == NULL)
+        return NULL;
+
+    if (nindices < view->ndim) {
+        PyErr_SetString(PyExc_NotImplementedError,
+                        "sub-views are not implemented");
+        return NULL;
+    }
+    ptr = ptr_from_tuple(view, tup);
+    if (ptr == NULL)
+        return NULL;
+    return unpack_single(ptr, fmt);
+}
+
 Py_LOCAL_INLINE(int)
 init_slice(Py_buffer *base, PyObject *key, int dim)
 {
@@ -2280,6 +2336,22 @@ is_multislice(PyObject *key)
     return 1;
 }
 
+static Py_ssize_t
+is_multiindex(PyObject *key)
+{
+    Py_ssize_t size, i;
+
+    if (!PyTuple_Check(key))
+        return 0;
+    size = PyTuple_GET_SIZE(key);
+    for (i = 0; i < size; i++) {
+        PyObject *x = PyTuple_GET_ITEM(key, i);
+        if (!PyIndex_Check(x))
+            return 0;
+    }
+    return 1;
+}
+
 /* mv[obj] returns an object holding the data for one element if obj
    fully indexes the memoryview or another memoryview object if it
    does not.
@@ -2291,7 +2363,7 @@ memory_subscript(PyMemoryViewObject *self, PyObject *key)
 {
     Py_buffer *view;
     view = &(self->view);
-    
+
     CHECK_RELEASED(self);
 
     if (view->ndim == 0) {
@@ -2335,6 +2407,9 @@ memory_subscript(PyMemoryViewObject *self, PyObject *key)
 
         return (PyObject *)sliced;
     }
+    else if (is_multiindex(key)) {
+        return memory_item_multi(self, key);
+    }
     else if (is_multislice(key)) {
         PyErr_SetString(PyExc_NotImplementedError,
             "multi-dimensional slicing is not implemented");
@@ -2379,14 +2454,15 @@ memory_ass_sub(PyMemoryViewObject *self, PyObject *key, PyObject *value)
             return -1;
         }
     }
-    if (view->ndim != 1) {
-        PyErr_SetString(PyExc_NotImplementedError,
-            "memoryview assignments are currently restricted to ndim = 1");
-        return -1;
-    }
 
     if (PyIndex_Check(key)) {
-        Py_ssize_t index = PyNumber_AsSsize_t(key, PyExc_IndexError);
+        Py_ssize_t index;
+        if (1 < view->ndim) {
+            PyErr_SetString(PyExc_NotImplementedError,
+                            "sub-views are not implemented");
+            return -1;
+        }
+        index = PyNumber_AsSsize_t(key, PyExc_IndexError);
         if (index == -1 && PyErr_Occurred())
             return -1;
         ptr = ptr_from_index(view, index);
@@ -2421,7 +2497,19 @@ memory_ass_sub(PyMemoryViewObject *self, PyObject *key, PyObject *value)
         PyBuffer_Release(&src);
         return ret;
     }
-    else if (PySlice_Check(key) || is_multislice(key)) {
+    if (is_multiindex(key)) {
+        char *ptr;
+        if (PyTuple_GET_SIZE(key) < view->ndim) {
+            PyErr_SetString(PyExc_NotImplementedError,
+                            "sub-views are not implemented");
+            return -1;
+        }
+        ptr = ptr_from_tuple(view, key);
+        if (ptr == NULL)
+            return -1;
+        return pack_single(ptr, value, fmt);
+    }
+    if (PySlice_Check(key) || is_multislice(key)) {
         /* Call memory_subscript() to produce a sliced lvalue, then copy
            rvalue into lvalue. This is already implemented in _testbuffer.c. */
         PyErr_SetString(PyExc_NotImplementedError,
@@ -2594,8 +2682,8 @@ cmp_base(const char *p, const char *q, const Py_ssize_t *shape,
     int equal;
 
     for (i = 0; i < shape[0]; p+=pstrides[0], q+=qstrides[0], i++) {
-        const char *xp = ADJUST_PTR(p, psuboffsets);
-        const char *xq = ADJUST_PTR(q, qsuboffsets);
+        const char *xp = ADJUST_PTR(p, psuboffsets, 0);
+        const char *xq = ADJUST_PTR(q, qsuboffsets, 0);
         equal = unpack_cmp(xp, xq, fmt, unpack_p, unpack_q);
         if (equal <= 0)
             return equal;
@@ -2629,8 +2717,8 @@ cmp_rec(const char *p, const char *q,
     }
 
     for (i = 0; i < shape[0]; p+=pstrides[0], q+=qstrides[0], i++) {
-        const char *xp = ADJUST_PTR(p, psuboffsets);
-        const char *xq = ADJUST_PTR(q, qsuboffsets);
+        const char *xp = ADJUST_PTR(p, psuboffsets, 0);
+        const char *xq = ADJUST_PTR(q, qsuboffsets, 0);
         equal = cmp_rec(xp, xq, ndim-1, shape+1,
                         pstrides+1, psuboffsets ? psuboffsets+1 : NULL,
                         qstrides+1, qsuboffsets ? qsuboffsets+1 : NULL,
@@ -2948,6 +3036,7 @@ PyDoc_STRVAR(memory_f_contiguous_doc,
 PyDoc_STRVAR(memory_contiguous_doc,
              "A bool indicating whether the memory is contiguous.");
 
+
 static PyGetSetDef memory_getsetlist[] = {
     {"obj",             (getter)memory_obj_get,        NULL, memory_obj_doc},
     {"nbytes",          (getter)memory_nbytes_get,     NULL, memory_nbytes_doc},
@@ -2965,19 +3054,19 @@ static PyGetSetDef memory_getsetlist[] = {
 };
 
 PyDoc_STRVAR(memory_release_doc,
-"M.release() -> None\n\
+"release($self, /)\n--\n\
 \n\
 Release the underlying buffer exposed by the memoryview object.");
 PyDoc_STRVAR(memory_tobytes_doc,
-"M.tobytes() -> bytes\n\
+"tobytes($self, /)\n--\n\
 \n\
 Return the data in the buffer as a byte string.");
 PyDoc_STRVAR(memory_tolist_doc,
-"M.tolist() -> list\n\
+"tolist($self, /)\n--\n\
 \n\
 Return the data in the buffer as a list of elements.");
 PyDoc_STRVAR(memory_cast_doc,
-"M.cast(format[, shape]) -> memoryview\n\
+"cast($self, /, format, *, shape)\n--\n\
 \n\
 Cast a memoryview to a new format or shape.");
 
diff --git a/Objects/methodobject.c b/Objects/methodobject.c
index f2616d4..b5467a4 100644
--- a/Objects/methodobject.c
+++ b/Objects/methodobject.c
@@ -37,6 +37,7 @@ PyCFunction_NewEx(PyMethodDef *ml, PyObject *self, PyObject *module)
         if (op == NULL)
             return NULL;
     }
+    op->m_weakreflist = NULL;
     op->m_ml = ml;
     Py_XINCREF(self);
     op->m_self = self;
@@ -77,68 +78,71 @@ PyCFunction_GetFlags(PyObject *op)
 }
 
 PyObject *
-PyCFunction_Call(PyObject *func, PyObject *arg, PyObject *kw)
+PyCFunction_Call(PyObject *func, PyObject *args, PyObject *kwds)
 {
-#define CHECK_RESULT(res) assert(res != NULL || PyErr_Occurred())
-
     PyCFunctionObject* f = (PyCFunctionObject*)func;
     PyCFunction meth = PyCFunction_GET_FUNCTION(func);
     PyObject *self = PyCFunction_GET_SELF(func);
-    PyObject *res;
+    PyObject *arg, *res;
     Py_ssize_t size;
+    int flags;
 
-    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
-    case METH_VARARGS:
-        if (kw == NULL || PyDict_Size(kw) == 0) {
-            res = (*meth)(self, arg);
-            CHECK_RESULT(res);
-            return res;
-        }
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        res = (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-        CHECK_RESULT(res);
-        return res;
-    case METH_NOARGS:
-        if (kw == NULL || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 0) {
-                res = (*meth)(self, NULL);
-                CHECK_RESULT(res);
-                return res;
-            }
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%zd given)",
-                f->m_ml->ml_name, size);
+    /* PyCFunction_Call() must not be called with an exception set,
+       because it may clear it (directly or indirectly) and so the
+       caller looses its exception */
+    assert(!PyErr_Occurred());
+
+    flags = PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
+
+    if (flags == (METH_VARARGS | METH_KEYWORDS)) {
+        res = (*(PyCFunctionWithKeywords)meth)(self, args, kwds);
+    }
+    else {
+        if (kwds != NULL && PyDict_Size(kwds) != 0) {
+            PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
+                         f->m_ml->ml_name);
             return NULL;
         }
-        break;
-    case METH_O:
-        if (kw == NULL || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 1) {
-                res = (*meth)(self, PyTuple_GET_ITEM(arg, 0));
-                CHECK_RESULT(res);
-                return res;
+
+        switch (flags) {
+        case METH_VARARGS:
+            res = (*meth)(self, args);
+            break;
+
+        case METH_NOARGS:
+            size = PyTuple_GET_SIZE(args);
+            if (size != 0) {
+                PyErr_Format(PyExc_TypeError,
+                    "%.200s() takes no arguments (%zd given)",
+                    f->m_ml->ml_name, size);
+                return NULL;
             }
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%zd given)",
-                f->m_ml->ml_name, size);
+
+            res = (*meth)(self, NULL);
+            break;
+
+        case METH_O:
+            size = PyTuple_GET_SIZE(args);
+            if (size != 1) {
+                PyErr_Format(PyExc_TypeError,
+                    "%.200s() takes exactly one argument (%zd given)",
+                    f->m_ml->ml_name, size);
+                return NULL;
+            }
+
+            arg = PyTuple_GET_ITEM(args, 0);
+            res = (*meth)(self, arg);
+            break;
+
+        default:
+            PyErr_SetString(PyExc_SystemError,
+                            "Bad call flags in PyCFunction_Call. "
+                            "METH_OLDARGS is no longer supported!");
             return NULL;
         }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "PyCFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-
-        return NULL;
     }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
 
-#undef CHECK_RESULT
+    return _Py_CheckFunctionResult(func, res, NULL);
 }
 
 /* Methods (the standard built-in methods, that is) */
@@ -147,6 +151,9 @@ static void
 meth_dealloc(PyCFunctionObject *m)
 {
     _PyObject_GC_UNTRACK(m);
+    if (m->m_weakreflist != NULL) {
+        PyObject_ClearWeakRefs((PyObject*) m);
+    }
     Py_XDECREF(m->m_self);
     Py_XDECREF(m->m_module);
     if (numfree < PyCFunction_MAXFREELIST) {
@@ -352,7 +359,7 @@ PyTypeObject PyCFunction_Type = {
     (traverseproc)meth_traverse,                /* tp_traverse */
     0,                                          /* tp_clear */
     meth_richcompare,                           /* tp_richcompare */
-    0,                                          /* tp_weaklistoffset */
+    offsetof(PyCFunctionObject, m_weakreflist), /* tp_weaklistoffset */
     0,                                          /* tp_iter */
     0,                                          /* tp_iternext */
     meth_methods,                               /* tp_methods */
diff --git a/Objects/moduleobject.c b/Objects/moduleobject.c
index f509932..dca5e58 100644
--- a/Objects/moduleobject.c
+++ b/Objects/moduleobject.c
@@ -32,20 +32,26 @@ static int
 module_init_dict(PyModuleObject *mod, PyObject *md_dict,
                  PyObject *name, PyObject *doc)
 {
+    _Py_IDENTIFIER(__name__);
+    _Py_IDENTIFIER(__doc__);
+    _Py_IDENTIFIER(__package__);
+    _Py_IDENTIFIER(__loader__);
+    _Py_IDENTIFIER(__spec__);
+
     if (md_dict == NULL)
         return -1;
     if (doc == NULL)
         doc = Py_None;
 
-    if (PyDict_SetItemString(md_dict, "__name__", name) != 0)
+    if (_PyDict_SetItemId(md_dict, &PyId___name__, name) != 0)
         return -1;
-    if (PyDict_SetItemString(md_dict, "__doc__", doc) != 0)
+    if (_PyDict_SetItemId(md_dict, &PyId___doc__, doc) != 0)
         return -1;
-    if (PyDict_SetItemString(md_dict, "__package__", Py_None) != 0)
+    if (_PyDict_SetItemId(md_dict, &PyId___package__, Py_None) != 0)
         return -1;
-    if (PyDict_SetItemString(md_dict, "__loader__", Py_None) != 0)
+    if (_PyDict_SetItemId(md_dict, &PyId___loader__, Py_None) != 0)
         return -1;
-    if (PyDict_SetItemString(md_dict, "__spec__", Py_None) != 0)
+    if (_PyDict_SetItemId(md_dict, &PyId___spec__, Py_None) != 0)
         return -1;
     if (PyUnicode_CheckExact(name)) {
         Py_INCREF(name);
@@ -184,8 +190,9 @@ PyModule_Create2(struct PyModuleDef* module, int module_api_version)
         Py_DECREF(n);
     }
     if (module->m_doc != NULL) {
+        _Py_IDENTIFIER(__doc__);
         v = PyUnicode_FromString(module->m_doc);
-        if (v == NULL || PyDict_SetItemString(d, "__doc__", v) != 0) {
+        if (v == NULL || _PyDict_SetItemId(d, &PyId___doc__, v) != 0) {
             Py_XDECREF(v);
             Py_DECREF(m);
             return NULL;
@@ -214,6 +221,7 @@ PyModule_GetDict(PyObject *m)
 PyObject*
 PyModule_GetNameObject(PyObject *m)
 {
+    _Py_IDENTIFIER(__name__);
     PyObject *d;
     PyObject *name;
     if (!PyModule_Check(m)) {
@@ -222,7 +230,7 @@ PyModule_GetNameObject(PyObject *m)
     }
     d = ((PyModuleObject *)m)->md_dict;
     if (d == NULL ||
-        (name = PyDict_GetItemString(d, "__name__")) == NULL ||
+        (name = _PyDict_GetItemId(d, &PyId___name__)) == NULL ||
         !PyUnicode_Check(name))
     {
         PyErr_SetString(PyExc_SystemError, "nameless module");
@@ -245,6 +253,7 @@ PyModule_GetName(PyObject *m)
 PyObject*
 PyModule_GetFilenameObject(PyObject *m)
 {
+    _Py_IDENTIFIER(__file__);
     PyObject *d;
     PyObject *fileobj;
     if (!PyModule_Check(m)) {
@@ -253,7 +262,7 @@ PyModule_GetFilenameObject(PyObject *m)
     }
     d = ((PyModuleObject *)m)->md_dict;
     if (d == NULL ||
-        (fileobj = PyDict_GetItemString(d, "__file__")) == NULL ||
+        (fileobj = _PyDict_GetItemId(d, &PyId___file__)) == NULL ||
         !PyUnicode_Check(fileobj))
     {
         PyErr_SetString(PyExc_SystemError, "module filename missing");
@@ -411,6 +420,31 @@ module_repr(PyModuleObject *m)
     return PyObject_CallMethod(interp->importlib, "_module_repr", "O", m);
 }
 
+static PyObject*
+module_getattro(PyModuleObject *m, PyObject *name)
+{
+    PyObject *attr, *mod_name;
+    attr = PyObject_GenericGetAttr((PyObject *)m, name);
+    if (attr || !PyErr_ExceptionMatches(PyExc_AttributeError))
+        return attr;
+    PyErr_Clear();
+    if (m->md_dict) {
+        _Py_IDENTIFIER(__name__);
+        mod_name = _PyDict_GetItemId(m->md_dict, &PyId___name__);
+        if (mod_name) {
+            PyErr_Format(PyExc_AttributeError,
+                        "module '%U' has no attribute '%U'", mod_name, name);
+            return NULL;
+        }
+        else if (PyErr_Occurred()) {
+            PyErr_Clear();
+        }
+    }
+    PyErr_Format(PyExc_AttributeError,
+                "module has no attribute '%U'", name);
+    return NULL;
+}
+
 static int
 module_traverse(PyModuleObject *m, visitproc visit, void *arg)
 {
@@ -464,7 +498,6 @@ static PyMethodDef module_methods[] = {
     {0}
 };
 
-
 PyDoc_STRVAR(module_doc,
 "module(name[, doc])\n\
 \n\
@@ -488,7 +521,7 @@ PyTypeObject PyModule_Type = {
     0,                                          /* tp_hash */
     0,                                          /* tp_call */
     0,                                          /* tp_str */
-    PyObject_GenericGetAttr,                    /* tp_getattro */
+    (getattrofunc)module_getattro,              /* tp_getattro */
     PyObject_GenericSetAttr,                    /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
diff --git a/Objects/object.c b/Objects/object.c
index a1a69fa..c1d7a05 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -33,6 +33,22 @@ _Py_GetRefTotal(void)
         total -= o->ob_refcnt;
     return total;
 }
+
+void
+_PyDebug_PrintTotalRefs(void) {
+    PyObject *xoptions, *value;
+    _Py_IDENTIFIER(showrefcount);
+
+    xoptions = PySys_GetXOptions();
+    if (xoptions == NULL)
+        return;
+    value = _PyDict_GetItemId(xoptions, &PyId_showrefcount);
+    if (value == Py_True)
+        fprintf(stderr,
+                "[%" PY_FORMAT_SIZE_T "d refs, "
+                "%" PY_FORMAT_SIZE_T "d blocks]\n",
+                _Py_GetRefTotal(), _Py_GetAllocatedBlocks());
+}
 #endif /* Py_REF_DEBUG */
 
 /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros.
@@ -1543,6 +1559,9 @@ PyObject _Py_NotImplementedStruct = {
 void
 _Py_ReadyTypes(void)
 {
+    if (PyType_Ready(&PyBaseObject_Type) < 0)
+        Py_FatalError("Can't initialize object type");
+
     if (PyType_Ready(&PyType_Type) < 0)
         Py_FatalError("Can't initialize type type");
 
@@ -1555,6 +1574,9 @@ _Py_ReadyTypes(void)
     if (PyType_Ready(&_PyWeakref_ProxyType) < 0)
         Py_FatalError("Can't initialize weakref proxy type");
 
+    if (PyType_Ready(&PyLong_Type) < 0)
+        Py_FatalError("Can't initialize int type");
+
     if (PyType_Ready(&PyBool_Type) < 0)
         Py_FatalError("Can't initialize bool type");
 
@@ -1579,9 +1601,6 @@ _Py_ReadyTypes(void)
     if (PyType_Ready(&PySuper_Type) < 0)
         Py_FatalError("Can't initialize super type");
 
-    if (PyType_Ready(&PyBaseObject_Type) < 0)
-        Py_FatalError("Can't initialize object type");
-
     if (PyType_Ready(&PyRange_Type) < 0)
         Py_FatalError("Can't initialize range type");
 
@@ -1606,9 +1625,6 @@ _Py_ReadyTypes(void)
     if (PyType_Ready(&PyFloat_Type) < 0)
         Py_FatalError("Can't initialize float type");
 
-    if (PyType_Ready(&PyLong_Type) < 0)
-        Py_FatalError("Can't initialize int type");
-
     if (PyType_Ready(&PyFrozenSet_Type) < 0)
         Py_FatalError("Can't initialize frozenset type");
 
@@ -1809,9 +1825,6 @@ _Py_GetObjects(PyObject *self, PyObject *args)
 
 #endif
 
-/* Hack to force loading of pycapsule.o */
-PyTypeObject *_PyCapsule_hack = &PyCapsule_Type;
-
 
 /* Hack to force loading of abstract.o */
 Py_ssize_t (*_Py_abstract_hack)(PyObject *) = PyObject_Size;
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index 3c33255..7cc889f 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -5,6 +5,7 @@
 #ifdef PYMALLOC_DEBUG   /* WITH_PYMALLOC && PYMALLOC_DEBUG */
 /* Forward declaration */
 static void* _PyMem_DebugMalloc(void *ctx, size_t size);
+static void* _PyMem_DebugCalloc(void *ctx, size_t nelem, size_t elsize);
 static void _PyMem_DebugFree(void *ctx, void *p);
 static void* _PyMem_DebugRealloc(void *ctx, void *ptr, size_t size);
 
@@ -43,6 +44,7 @@ static void _PyMem_DebugCheckAddress(char api_id, const void *p);
 
 /* Forward declaration */
 static void* _PyObject_Malloc(void *ctx, size_t size);
+static void* _PyObject_Calloc(void *ctx, size_t nelem, size_t elsize);
 static void _PyObject_Free(void *ctx, void *p);
 static void* _PyObject_Realloc(void *ctx, void *ptr, size_t size);
 #endif
@@ -51,7 +53,7 @@ static void* _PyObject_Realloc(void *ctx, void *ptr, size_t size);
 static void *
 _PyMem_RawMalloc(void *ctx, size_t size)
 {
-    /* PyMem_Malloc(0) means malloc(1). Some systems would return NULL
+    /* PyMem_RawMalloc(0) means malloc(1). Some systems would return NULL
        for malloc(0), which would be treated as an error. Some platforms would
        return a pointer with no memory behind it, which would break pymalloc.
        To solve these problems, allocate an extra byte. */
@@ -61,6 +63,20 @@ _PyMem_RawMalloc(void *ctx, size_t size)
 }
 
 static void *
+_PyMem_RawCalloc(void *ctx, size_t nelem, size_t elsize)
+{
+    /* PyMem_RawCalloc(0, 0) means calloc(1, 1). Some systems would return NULL
+       for calloc(0, 0), which would be treated as an error. Some platforms
+       would return a pointer with no memory behind it, which would break
+       pymalloc.  To solve these problems, allocate an extra byte. */
+    if (nelem == 0 || elsize == 0) {
+        nelem = 1;
+        elsize = 1;
+    }
+    return calloc(nelem, elsize);
+}
+
+static void *
 _PyMem_RawRealloc(void *ctx, void *ptr, size_t size)
 {
     if (size == 0)
@@ -123,9 +139,9 @@ _PyObject_ArenaFree(void *ctx, void *ptr, size_t size)
 #endif
 
 
-#define PYRAW_FUNCS _PyMem_RawMalloc, _PyMem_RawRealloc, _PyMem_RawFree
+#define PYRAW_FUNCS _PyMem_RawMalloc, _PyMem_RawCalloc, _PyMem_RawRealloc, _PyMem_RawFree
 #ifdef WITH_PYMALLOC
-#  define PYOBJ_FUNCS _PyObject_Malloc, _PyObject_Realloc, _PyObject_Free
+#  define PYOBJ_FUNCS _PyObject_Malloc, _PyObject_Calloc, _PyObject_Realloc, _PyObject_Free
 #else
 #  define PYOBJ_FUNCS PYRAW_FUNCS
 #endif
@@ -135,7 +151,7 @@ _PyObject_ArenaFree(void *ctx, void *ptr, size_t size)
 typedef struct {
     /* We tag each block with an API ID in order to tag API violations */
     char api_id;
-    PyMemAllocator alloc;
+    PyMemAllocatorEx alloc;
 } debug_alloc_api_t;
 static struct {
     debug_alloc_api_t raw;
@@ -147,10 +163,10 @@ static struct {
     {'o', {NULL, PYOBJ_FUNCS}}
     };
 
-#define PYDBG_FUNCS _PyMem_DebugMalloc, _PyMem_DebugRealloc, _PyMem_DebugFree
+#define PYDBG_FUNCS _PyMem_DebugMalloc, _PyMem_DebugCalloc, _PyMem_DebugRealloc, _PyMem_DebugFree
 #endif
 
-static PyMemAllocator _PyMem_Raw = {
+static PyMemAllocatorEx _PyMem_Raw = {
 #ifdef PYMALLOC_DEBUG
     &_PyMem_Debug.raw, PYDBG_FUNCS
 #else
@@ -158,7 +174,7 @@ static PyMemAllocator _PyMem_Raw = {
 #endif
     };
 
-static PyMemAllocator _PyMem = {
+static PyMemAllocatorEx _PyMem = {
 #ifdef PYMALLOC_DEBUG
     &_PyMem_Debug.mem, PYDBG_FUNCS
 #else
@@ -166,7 +182,7 @@ static PyMemAllocator _PyMem = {
 #endif
     };
 
-static PyMemAllocator _PyObject = {
+static PyMemAllocatorEx _PyObject = {
 #ifdef PYMALLOC_DEBUG
     &_PyMem_Debug.obj, PYDBG_FUNCS
 #else
@@ -193,9 +209,10 @@ void
 PyMem_SetupDebugHooks(void)
 {
 #ifdef PYMALLOC_DEBUG
-    PyMemAllocator alloc;
+    PyMemAllocatorEx alloc;
 
     alloc.malloc = _PyMem_DebugMalloc;
+    alloc.calloc = _PyMem_DebugCalloc;
     alloc.realloc = _PyMem_DebugRealloc;
     alloc.free = _PyMem_DebugFree;
 
@@ -220,7 +237,7 @@ PyMem_SetupDebugHooks(void)
 }
 
 void
-PyMem_GetAllocator(PyMemAllocatorDomain domain, PyMemAllocator *allocator)
+PyMem_GetAllocator(PyMemAllocatorDomain domain, PyMemAllocatorEx *allocator)
 {
     switch(domain)
     {
@@ -228,16 +245,17 @@ PyMem_GetAllocator(PyMemAllocatorDomain domain, PyMemAllocator *allocator)
     case PYMEM_DOMAIN_MEM: *allocator = _PyMem; break;
     case PYMEM_DOMAIN_OBJ: *allocator = _PyObject; break;
     default:
-        /* unknown domain */
+        /* unknown domain: set all attributes to NULL */
         allocator->ctx = NULL;
         allocator->malloc = NULL;
+        allocator->calloc = NULL;
         allocator->realloc = NULL;
         allocator->free = NULL;
     }
 }
 
 void
-PyMem_SetAllocator(PyMemAllocatorDomain domain, PyMemAllocator *allocator)
+PyMem_SetAllocator(PyMemAllocatorDomain domain, PyMemAllocatorEx *allocator)
 {
     switch(domain)
     {
@@ -272,10 +290,18 @@ PyMem_RawMalloc(size_t size)
      */
     if (size > (size_t)PY_SSIZE_T_MAX)
         return NULL;
-
     return _PyMem_Raw.malloc(_PyMem_Raw.ctx, size);
 }
 
+void *
+PyMem_RawCalloc(size_t nelem, size_t elsize)
+{
+    /* see PyMem_RawMalloc() */
+    if (elsize != 0 && nelem > (size_t)PY_SSIZE_T_MAX / elsize)
+        return NULL;
+    return _PyMem_Raw.calloc(_PyMem_Raw.ctx, nelem, elsize);
+}
+
 void*
 PyMem_RawRealloc(void *ptr, size_t new_size)
 {
@@ -300,6 +326,15 @@ PyMem_Malloc(size_t size)
 }
 
 void *
+PyMem_Calloc(size_t nelem, size_t elsize)
+{
+    /* see PyMem_RawMalloc() */
+    if (elsize != 0 && nelem > (size_t)PY_SSIZE_T_MAX / elsize)
+        return NULL;
+    return _PyMem.calloc(_PyMem.ctx, nelem, elsize);
+}
+
+void *
 PyMem_Realloc(void *ptr, size_t new_size)
 {
     /* see PyMem_RawMalloc() */
@@ -352,6 +387,15 @@ PyObject_Malloc(size_t size)
 }
 
 void *
+PyObject_Calloc(size_t nelem, size_t elsize)
+{
+    /* see PyMem_RawMalloc() */
+    if (elsize != 0 && nelem > (size_t)PY_SSIZE_T_MAX / elsize)
+        return NULL;
+    return _PyObject.calloc(_PyObject.ctx, nelem, elsize);
+}
+
+void *
 PyObject_Realloc(void *ptr, size_t new_size)
 {
     /* see PyMem_RawMalloc() */
@@ -1122,8 +1166,9 @@ int Py_ADDRESS_IN_RANGE(void *P, poolp pool) Py_NO_INLINE;
  */
 
 static void *
-_PyObject_Malloc(void *ctx, size_t nbytes)
+_PyObject_Alloc(int use_calloc, void *ctx, size_t nelem, size_t elsize)
 {
+    size_t nbytes;
     block *bp;
     poolp pool;
     poolp next;
@@ -1131,6 +1176,9 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
 
     _Py_AllocatedBlocks++;
 
+    assert(nelem <= PY_SSIZE_T_MAX / elsize);
+    nbytes = nelem * elsize;
+
 #ifdef WITH_VALGRIND
     if (UNLIKELY(running_on_valgrind == -1))
         running_on_valgrind = RUNNING_ON_VALGRIND;
@@ -1138,9 +1186,9 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
         goto redirect;
 #endif
 
-    /*
-     * This implicitly redirects malloc(0).
-     */
+    if (nelem == 0 || elsize == 0)
+        goto redirect;
+
     if ((nbytes - 1) < SMALL_REQUEST_THRESHOLD) {
         LOCK();
         /*
@@ -1158,6 +1206,8 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
             assert(bp != NULL);
             if ((pool->freeblock = *(block **)bp) != NULL) {
                 UNLOCK();
+                if (use_calloc)
+                    memset(bp, 0, nbytes);
                 return (void *)bp;
             }
             /*
@@ -1170,6 +1220,8 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
                 pool->nextoffset += INDEX2SIZE(size);
                 *(block **)(pool->freeblock) = NULL;
                 UNLOCK();
+                if (use_calloc)
+                    memset(bp, 0, nbytes);
                 return (void *)bp;
             }
             /* Pool is full, unlink from used pools. */
@@ -1178,6 +1230,8 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
             next->prevpool = pool;
             pool->nextpool = next;
             UNLOCK();
+            if (use_calloc)
+                memset(bp, 0, nbytes);
             return (void *)bp;
         }
 
@@ -1257,6 +1311,8 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
                 assert(bp != NULL);
                 pool->freeblock = *(block **)bp;
                 UNLOCK();
+                if (use_calloc)
+                    memset(bp, 0, nbytes);
                 return (void *)bp;
             }
             /*
@@ -1272,6 +1328,8 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
             pool->freeblock = bp + size;
             *(block **)(pool->freeblock) = NULL;
             UNLOCK();
+            if (use_calloc)
+                memset(bp, 0, nbytes);
             return (void *)bp;
         }
 
@@ -1281,7 +1339,7 @@ _PyObject_Malloc(void *ctx, size_t nbytes)
         pool = (poolp)usable_arenas->pool_address;
         assert((block*)pool <= (block*)usable_arenas->address +
                                ARENA_SIZE - POOL_SIZE);
-        pool->arenaindex = usable_arenas - arenas;
+        pool->arenaindex = (uint)(usable_arenas - arenas);
         assert(&arenas[pool->arenaindex] == usable_arenas);
         pool->szidx = DUMMY_SIZE_IDX;
         usable_arenas->pool_address += POOL_SIZE;
@@ -1311,13 +1369,29 @@ redirect:
      * has been reached.
      */
     {
-        void *result = PyMem_RawMalloc(nbytes);
+        void *result;
+        if (use_calloc)
+            result = PyMem_RawCalloc(nelem, elsize);
+        else
+            result = PyMem_RawMalloc(nbytes);
         if (!result)
             _Py_AllocatedBlocks--;
         return result;
     }
 }
 
+static void *
+_PyObject_Malloc(void *ctx, size_t nbytes)
+{
+    return _PyObject_Alloc(0, ctx, 1, nbytes);
+}
+
+static void *
+_PyObject_Calloc(void *ctx, size_t nelem, size_t elsize)
+{
+    return _PyObject_Alloc(1, ctx, nelem, elsize);
+}
+
 /* free */
 
 ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
@@ -1561,7 +1635,7 @@ _PyObject_Realloc(void *ctx, void *p, size_t nbytes)
 #endif
 
     if (p == NULL)
-        return _PyObject_Malloc(ctx, nbytes);
+        return _PyObject_Alloc(0, ctx, 1, nbytes);
 
 #ifdef WITH_VALGRIND
     /* Treat running_on_valgrind == -1 the same as 0 */
@@ -1589,7 +1663,7 @@ _PyObject_Realloc(void *ctx, void *p, size_t nbytes)
             }
             size = nbytes;
         }
-        bp = _PyObject_Malloc(ctx, nbytes);
+        bp = _PyObject_Alloc(0, ctx, 1, nbytes);
         if (bp != NULL) {
             memcpy(bp, p, size);
             _PyObject_Free(ctx, p);
@@ -1745,7 +1819,7 @@ p[2*S+n+S: 2*S+n+2*S]
 */
 
 static void *
-_PyMem_DebugMalloc(void *ctx, size_t nbytes)
+_PyMem_DebugAlloc(int use_calloc, void *ctx, size_t nbytes)
 {
     debug_alloc_api_t *api = (debug_alloc_api_t *)ctx;
     uchar *p;           /* base address of malloc'ed block */
@@ -1758,7 +1832,10 @@ _PyMem_DebugMalloc(void *ctx, size_t nbytes)
         /* overflow:  can't represent total as a Py_ssize_t */
         return NULL;
 
-    p = (uchar *)api->alloc.malloc(api->alloc.ctx, total);
+    if (use_calloc)
+        p = (uchar *)api->alloc.calloc(api->alloc.ctx, 1, total);
+    else
+        p = (uchar *)api->alloc.malloc(api->alloc.ctx, total);
     if (p == NULL)
         return NULL;
 
@@ -1767,7 +1844,7 @@ _PyMem_DebugMalloc(void *ctx, size_t nbytes)
     p[SST] = (uchar)api->api_id;
     memset(p + SST + 1, FORBIDDENBYTE, SST-1);
 
-    if (nbytes > 0)
+    if (nbytes > 0 && !use_calloc)
         memset(p + 2*SST, CLEANBYTE, nbytes);
 
     /* at tail, write pad (SST bytes) and serialno (SST bytes) */
@@ -1778,6 +1855,21 @@ _PyMem_DebugMalloc(void *ctx, size_t nbytes)
     return p + 2*SST;
 }
 
+static void *
+_PyMem_DebugMalloc(void *ctx, size_t nbytes)
+{
+    return _PyMem_DebugAlloc(0, ctx, nbytes);
+}
+
+static void *
+_PyMem_DebugCalloc(void *ctx, size_t nelem, size_t elsize)
+{
+    size_t nbytes;
+    assert(elsize == 0 || nelem <= PY_SSIZE_T_MAX / elsize);
+    nbytes = nelem * elsize;
+    return _PyMem_DebugAlloc(1, ctx, nbytes);
+}
+
 /* The debug free first checks the 2*SST bytes on each end for sanity (in
    particular, that the FORBIDDENBYTEs with the api ID are still intact).
    Then fills the original bytes with DEADBYTE.
@@ -1811,7 +1903,7 @@ _PyMem_DebugRealloc(void *ctx, void *p, size_t nbytes)
     int i;
 
     if (p == NULL)
-        return _PyMem_DebugMalloc(ctx, nbytes);
+        return _PyMem_DebugAlloc(0, ctx, nbytes);
 
     _PyMem_DebugCheckAddress(api->api_id, p);
     bumpserialno();
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index ca66a45..17fef42 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -991,7 +991,7 @@ static PyObject *
 longrangeiter_setstate(longrangeiterobject *r, PyObject *state)
 {
     int cmp;
-   
+
     /* clip the value */
     PyObject *zero = PyLong_FromLong(0);
     if (zero == NULL)
@@ -1011,7 +1011,7 @@ longrangeiter_setstate(longrangeiterobject *r, PyObject *state)
         return NULL;
     if (cmp > 0)
         state = r->len;
-    
+
     Py_CLEAR(r->index);
     r->index = state;
     Py_INCREF(r->index);
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 34e43b9..8197cd9 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -4,7 +4,7 @@
    Written and maintained by Raymond D. Hettinger <python@rcn.com>
    Derived from Lib/sets.py and Objects/dictobject.c.
 
-   Copyright (c) 2003-2013 Python Software Foundation.
+   Copyright (c) 2003-2015 Python Software Foundation.
    All rights reserved.
 
    The basic lookup function used by all operations.
@@ -23,7 +23,7 @@
 
    All arithmetic on hash should ignore overflow.
 
-   Unlike the dictionary implementation, the lookkey functions can return
+   Unlike the dictionary implementation, the lookkey function can return
    NULL if the rich comparison returns an error.
 */
 
@@ -56,120 +56,73 @@ set_lookkey(PySetObject *so, PyObject *key, Py_hash_t hash)
     setentry *entry;
     size_t perturb = hash;
     size_t mask = so->mask;
-    size_t i = (size_t)hash; /* Unsigned for defined overflow behavior. */
+    size_t i = (size_t)hash & mask; /* Unsigned for defined overflow behavior */
     size_t j;
     int cmp;
 
-    entry = &table[i & mask];
+    entry = &table[i];
     if (entry->key == NULL)
         return entry;
 
     while (1) {
-        if (entry->key == key)
-            return entry;
-        if (entry->hash == hash && entry->key != dummy) {
+        if (entry->hash == hash) {
             PyObject *startkey = entry->key;
+            /* startkey cannot be a dummy because the dummy hash field is -1 */
+            assert(startkey != dummy);
+            if (startkey == key)
+                return entry;
+            if (PyUnicode_CheckExact(startkey)
+                && PyUnicode_CheckExact(key)
+                && unicode_eq(startkey, key))
+                return entry;
             Py_INCREF(startkey);
             cmp = PyObject_RichCompareBool(startkey, key, Py_EQ);
             Py_DECREF(startkey);
-            if (cmp < 0)
+            if (cmp < 0)                                          /* unlikely */
                 return NULL;
-            if (table != so->table || entry->key != startkey)
+            if (table != so->table || entry->key != startkey)     /* unlikely */
                 return set_lookkey(so, key, hash);
-            if (cmp > 0)
+            if (cmp > 0)                                          /* likely */
                 return entry;
+            mask = so->mask;                 /* help avoid a register spill */
         }
-        if (entry->key == dummy && freeslot == NULL)
+        if (entry->hash == -1 && freeslot == NULL)
             freeslot = entry;
 
-        for (j = 1 ; j <= LINEAR_PROBES ; j++) {
-            entry = &table[(i + j) & mask];
-            if (entry->key == NULL)
-                goto found_null;
-            if (entry->key == key)
-                return entry;
-            if (entry->hash == hash && entry->key != dummy) {
-                PyObject *startkey = entry->key;
-                Py_INCREF(startkey);
-                cmp = PyObject_RichCompareBool(startkey, key, Py_EQ);
-                Py_DECREF(startkey);
-                if (cmp < 0)
-                    return NULL;
-                if (table != so->table || entry->key != startkey)
-                    return set_lookkey(so, key, hash);
-                if (cmp > 0)
-                    return entry;
+        if (i + LINEAR_PROBES <= mask) {
+            for (j = 0 ; j < LINEAR_PROBES ; j++) {
+                entry++;
+                if (entry->key == NULL)
+                    goto found_null;
+                if (entry->hash == hash) {
+                    PyObject *startkey = entry->key;
+                    assert(startkey != dummy);
+                    if (startkey == key)
+                        return entry;
+                    if (PyUnicode_CheckExact(startkey)
+                        && PyUnicode_CheckExact(key)
+                        && unicode_eq(startkey, key))
+                        return entry;
+                    Py_INCREF(startkey);
+                    cmp = PyObject_RichCompareBool(startkey, key, Py_EQ);
+                    Py_DECREF(startkey);
+                    if (cmp < 0)
+                        return NULL;
+                    if (table != so->table || entry->key != startkey)
+                        return set_lookkey(so, key, hash);
+                    if (cmp > 0)
+                        return entry;
+                    mask = so->mask;
+                }
+                if (entry->hash == -1 && freeslot == NULL)
+                    freeslot = entry;
             }
-            if (entry->key == dummy && freeslot == NULL)
-                freeslot = entry;
         }
 
         perturb >>= PERTURB_SHIFT;
-        i = i * 5 + 1 + perturb;
+        i = (i * 5 + 1 + perturb) & mask;
 
-        entry = &table[i & mask];
-        if (entry->key == NULL)
-            goto found_null;
-    }
-  found_null:
-    return freeslot == NULL ? entry : freeslot;
-}
-
-/*
- * Hacked up version of set_lookkey which can assume keys are always unicode;
- * This means we can always use unicode_eq directly and not have to check to
- * see if the comparison altered the table.
- */
-static setentry *
-set_lookkey_unicode(PySetObject *so, PyObject *key, Py_hash_t hash)
-{
-    setentry *table = so->table;
-    setentry *freeslot = NULL;
-    setentry *entry;
-    size_t perturb = hash;
-    size_t mask = so->mask;
-    size_t i = (size_t)hash;
-    size_t j;
-
-    /* Make sure this function doesn't have to handle non-unicode keys,
-       including subclasses of str; e.g., one reason to subclass
-       strings is to override __eq__, and for speed we don't cater to
-       that here. */
-    if (!PyUnicode_CheckExact(key)) {
-        so->lookup = set_lookkey;
-        return set_lookkey(so, key, hash);
-    }
-
-    entry = &table[i & mask];
-    if (entry->key == NULL)
-        return entry;
-
-    while (1) {
-        if (entry->key == key
-            || (entry->hash == hash
-                && entry->key != dummy
-                && unicode_eq(entry->key, key)))
-            return entry;
-        if (entry->key == dummy && freeslot == NULL)
-            freeslot = entry;
-
-        for (j = 1 ; j <= LINEAR_PROBES ; j++) {
-            entry = &table[(i + j) & mask];
-            if (entry->key == NULL)
-                goto found_null;
-            if (entry->key == key
-                || (entry->hash == hash
-                    && entry->key != dummy
-                    && unicode_eq(entry->key, key)))
-                return entry;
-            if (entry->key == dummy && freeslot == NULL)
-                freeslot = entry;
-        }
-
-        perturb >>= PERTURB_SHIFT;
-        i = i * 5 + 1 + perturb;
-
-        entry = &table[i & mask];
+        entry = &table[i];
         if (entry->key == NULL)
             goto found_null;
     }
@@ -192,20 +145,22 @@ set_insert_clean(PySetObject *so, PyObject *key, Py_hash_t hash)
     setentry *entry;
     size_t perturb = hash;
     size_t mask = (size_t)so->mask;
-    size_t i = (size_t)hash;
+    size_t i = (size_t)hash & mask;
     size_t j;
 
     while (1) {
-        entry = &table[i & mask];
+        entry = &table[i];
         if (entry->key == NULL)
             goto found_null;
-        for (j = 1 ; j <= LINEAR_PROBES ; j++) {
-            entry = &table[(i + j) & mask];
-            if (entry->key == NULL)
-                goto found_null;
+        if (i + LINEAR_PROBES <= mask) {
+            for (j = 0; j < LINEAR_PROBES; j++) {
+                entry++;
+                if (entry->key == NULL)
+                    goto found_null;
+            }
         }
         perturb >>= PERTURB_SHIFT;
-        i = i * 5 + 1 + perturb;
+        i = (i * 5 + 1 + perturb) & mask;
     }
   found_null:
     entry->key = key;
@@ -228,15 +183,14 @@ set_insert_key(PySetObject *so, PyObject *key, Py_hash_t hash)
 {
     setentry *entry;
 
-    assert(so->lookup != NULL);
-    entry = so->lookup(so, key, hash);
+    entry = set_lookkey(so, key, hash);
     if (entry == NULL)
         return -1;
     if (entry->key == NULL) {
         /* UNUSED */
-        so->fill++;
         entry->key = key;
         entry->hash = hash;
+        so->fill++;
         so->used++;
     } else if (entry->key == dummy) {
         /* DUMMY */
@@ -260,13 +214,15 @@ set_table_resize(PySetObject *so, Py_ssize_t minused)
 {
     Py_ssize_t newsize;
     setentry *oldtable, *newtable, *entry;
-    Py_ssize_t i;
+    Py_ssize_t oldfill = so->fill;
+    Py_ssize_t oldused = so->used;
     int is_oldtable_malloced;
     setentry small_copy[PySet_MINSIZE];
 
     assert(minused >= 0);
 
     /* Find the smallest table size > minused. */
+    /* XXX speed-up with intrinsics */
     for (newsize = PySet_MINSIZE;
          newsize <= minused && newsize > 0;
          newsize <<= 1)
@@ -310,19 +266,27 @@ set_table_resize(PySetObject *so, Py_ssize_t minused)
 
     /* Make the set empty, using the new table. */
     assert(newtable != oldtable);
-    so->table = newtable;
-    so->mask = newsize - 1;
     memset(newtable, 0, sizeof(setentry) * newsize);
-    i = so->used;
-    so->used = 0;
     so->fill = 0;
+    so->used = 0;
+    so->mask = newsize - 1;
+    so->table = newtable;
 
     /* Copy the data over; this is refcount-neutral for active entries;
        dummy entries aren't copied over, of course */
-    for (entry = oldtable; i > 0; entry++) {
-        if (entry->key != NULL && entry->key != dummy) {
-            --i;
-            set_insert_clean(so, entry->key, entry->hash);
+    if (oldfill == oldused) {
+        for (entry = oldtable; oldused > 0; entry++) {
+            if (entry->key != NULL) {
+                oldused--;
+                set_insert_clean(so, entry->key, entry->hash);
+            }
+        }
+    } else {
+        for (entry = oldtable; oldused > 0; entry++) {
+            if (entry->key != NULL && entry->key != dummy) {
+                oldused--;
+                set_insert_clean(so, entry->key, entry->hash);
+            }
         }
     }
 
@@ -355,8 +319,8 @@ set_add_entry(PySetObject *so, setentry *entry)
 static int
 set_add_key(PySetObject *so, PyObject *key)
 {
+    setentry entry;
     Py_hash_t hash;
-    Py_ssize_t n_used;
 
     if (!PyUnicode_CheckExact(key) ||
         (hash = ((PyASCIIObject *) key)->hash) == -1) {
@@ -364,16 +328,9 @@ set_add_key(PySetObject *so, PyObject *key)
         if (hash == -1)
             return -1;
     }
-    assert(so->fill <= so->mask);  /* at least one empty slot */
-    n_used = so->used;
-    Py_INCREF(key);
-    if (set_insert_key(so, key, hash) == -1) {
-        Py_DECREF(key);
-        return -1;
-    }
-    if (!(so->used > n_used && so->fill*3 >= (so->mask+1)*2))
-        return 0;
-    return set_table_resize(so, so->used>50000 ? so->used*2 : so->used*4);
+    entry.key = key;
+    entry.hash = hash;
+    return set_add_entry(so, &entry);
 }
 
 #define DISCARD_NOTFOUND 0
@@ -381,16 +338,18 @@ set_add_key(PySetObject *so, PyObject *key)
 
 static int
 set_discard_entry(PySetObject *so, setentry *oldentry)
-{       setentry *entry;
+{
+    setentry *entry;
     PyObject *old_key;
 
-    entry = (so->lookup)(so, oldentry->key, oldentry->hash);
+    entry = set_lookkey(so, oldentry->key, oldentry->hash);
     if (entry == NULL)
         return -1;
     if (entry->key == NULL  ||  entry->key == dummy)
         return DISCARD_NOTFOUND;
     old_key = entry->key;
     entry->key = dummy;
+    entry->hash = -1;
     so->used--;
     Py_DECREF(old_key);
     return DISCARD_FOUND;
@@ -399,9 +358,8 @@ set_discard_entry(PySetObject *so, setentry *oldentry)
 static int
 set_discard_key(PySetObject *so, PyObject *key)
 {
+    setentry entry;
     Py_hash_t hash;
-    setentry *entry;
-    PyObject *old_key;
 
     assert (PyAnySet_Check(so));
 
@@ -411,16 +369,9 @@ set_discard_key(PySetObject *so, PyObject *key)
         if (hash == -1)
             return -1;
     }
-    entry = (so->lookup)(so, key, hash);
-    if (entry == NULL)
-        return -1;
-    if (entry->key == NULL  ||  entry->key == dummy)
-        return DISCARD_NOTFOUND;
-    old_key = entry->key;
-    entry->key = dummy;
-    so->used--;
-    Py_DECREF(old_key);
-    return DISCARD_FOUND;
+    entry.key = key;
+    entry.hash = hash;
+    return set_discard_entry(so, &entry);
 }
 
 static void
@@ -437,20 +388,15 @@ set_empty_to_minsize(PySetObject *so)
 static int
 set_clear_internal(PySetObject *so)
 {
-    setentry *entry, *table;
-    int table_is_malloced;
-    Py_ssize_t fill;
+    setentry *entry;
+    setentry *table = so->table;
+    Py_ssize_t fill = so->fill;
+    Py_ssize_t used = so->used;
+    int table_is_malloced = table != so->smalltable;
     setentry small_copy[PySet_MINSIZE];
 
-#ifdef Py_DEBUG
-    Py_ssize_t i = 0;
-    Py_ssize_t n = so->mask + 1;
-#endif
-
     assert (PyAnySet_Check(so));
-    table = so->table;
     assert(table != NULL);
-    table_is_malloced = table != so->smalltable;
 
     /* This is delicate.  During the process of clearing the set,
      * decrefs can cause the set to mutate.  To avoid fatal confusion
@@ -458,7 +404,6 @@ set_clear_internal(PySetObject *so)
      * clearing the slots, and never refer to anything via so->ref while
      * clearing.
      */
-    fill = so->fill;
     if (table_is_malloced)
         set_empty_to_minsize(so);
 
@@ -477,20 +422,11 @@ set_clear_internal(PySetObject *so)
      * assert that the refcount on table is 1 now, i.e. that this function
      * has unique access to it, so decref side-effects can't alter it.
      */
-    for (entry = table; fill > 0; ++entry) {
-#ifdef Py_DEBUG
-        assert(i < n);
-        ++i;
-#endif
-        if (entry->key) {
-            --fill;
-            if (entry->key != dummy)
-                Py_DECREF(entry->key);
+    for (entry = table; used > 0; entry++) {
+        if (entry->key && entry->key != dummy) {
+            used--;
+            Py_DECREF(entry->key);
         }
-#ifdef Py_DEBUG
-        else
-            assert(entry->key == NULL);
-#endif
     }
 
     if (table_is_malloced)
@@ -537,16 +473,16 @@ static void
 set_dealloc(PySetObject *so)
 {
     setentry *entry;
-    Py_ssize_t fill = so->fill;
+    Py_ssize_t used = so->used;
+
     PyObject_GC_UnTrack(so);
     Py_TRASHCAN_SAFE_BEGIN(so)
     if (so->weakreflist != NULL)
         PyObject_ClearWeakRefs((PyObject *) so);
 
-    for (entry = so->table; fill > 0; entry++) {
-        if (entry->key) {
-            --fill;
-            if (entry->key != dummy)
+    for (entry = so->table; used > 0; entry++) {
+        if (entry->key && entry->key != dummy) {
+                used--;
                 Py_DECREF(entry->key);
         }
     }
@@ -648,10 +584,23 @@ set_merge(PySetObject *so, PyObject *otherset)
 }
 
 static int
+set_contains_entry(PySetObject *so, setentry *entry)
+{
+    PyObject *key;
+    setentry *lu_entry;
+
+    lu_entry = set_lookkey(so, entry->key, entry->hash);
+    if (lu_entry == NULL)
+        return -1;
+    key = lu_entry->key;
+    return key != NULL && key != dummy;
+}
+
+static int
 set_contains_key(PySetObject *so, PyObject *key)
 {
+    setentry entry;
     Py_hash_t hash;
-    setentry *entry;
 
     if (!PyUnicode_CheckExact(key) ||
         (hash = ((PyASCIIObject *) key)->hash) == -1) {
@@ -659,30 +608,16 @@ set_contains_key(PySetObject *so, PyObject *key)
         if (hash == -1)
             return -1;
     }
-    entry = (so->lookup)(so, key, hash);
-    if (entry == NULL)
-        return -1;
-    key = entry->key;
-    return key != NULL && key != dummy;
-}
-
-static int
-set_contains_entry(PySetObject *so, setentry *entry)
-{
-    PyObject *key;
-    setentry *lu_entry;
-
-    lu_entry = (so->lookup)(so, entry->key, entry->hash);
-    if (lu_entry == NULL)
-        return -1;
-    key = lu_entry->key;
-    return key != NULL && key != dummy;
+    entry.key = key;
+    entry.hash = hash;
+    return set_contains_entry(so, &entry);
 }
 
 static PyObject *
 set_pop(PySetObject *so)
 {
-    Py_ssize_t i = 0;
+    /* Make sure the search finger is in bounds */
+    Py_ssize_t i = so->finger & so->mask;
     setentry *entry;
     PyObject *key;
 
@@ -692,32 +627,16 @@ set_pop(PySetObject *so)
         return NULL;
     }
 
-    /* Set entry to "the first" unused or dummy set entry.  We abuse
-     * the hash field of slot 0 to hold a search finger:
-     * If slot 0 has a value, use slot 0.
-     * Else slot 0 is being used to hold a search finger,
-     * and we use its hash value as the first index to look.
-     */
-    entry = &so->table[0];
-    if (entry->key == NULL || entry->key == dummy) {
-        i = entry->hash;
-        /* The hash field may be a real hash value, or it may be a
-         * legit search finger, or it may be a once-legit search
-         * finger that's out of bounds now because it wrapped around
-         * or the table shrunk -- simply make sure it's in bounds now.
-         */
-        if (i > so->mask || i < 1)
-            i = 1;              /* skip slot 0 */
-        while ((entry = &so->table[i])->key == NULL || entry->key==dummy) {
-            i++;
-            if (i > so->mask)
-                i = 1;
-        }
+    while ((entry = &so->table[i])->key == NULL || entry->key==dummy) {
+        i++;
+        if (i > so->mask)
+            i = 0;
     }
     key = entry->key;
     entry->key = dummy;
+    entry->hash = -1;
     so->used--;
-    so->table[0].hash = i + 1;  /* next place to start */
+    so->finger = i + 1;         /* next place to start */
     return key;
 }
 
@@ -760,7 +679,7 @@ frozenset_hash(PyObject *self)
     hash *= (Py_uhash_t)PySet_GET_SIZE(self) + 1;
     while (set_next(so, &pos, &entry)) {
         /* Work to increase the bit dispersion for closely spaced hash
-           values.  The is important because some use cases have many
+           values.  This is important because some use cases have many
            combinations of a small number of elements with nearby
            hashes so that many distinct combinations collapse to only
            a handful of distinct hash values. */
@@ -770,7 +689,7 @@ frozenset_hash(PyObject *self)
     /* Make the final result spread-out in a different pattern
        than the algorithm for tuples or other python objects. */
     hash = hash * 69069U + 907133923UL;
-    if (hash == -1)
+    if (hash == (Py_uhash_t)-1)
         hash = 590923713UL;
     so->hash = hash;
     return hash;
@@ -1014,6 +933,12 @@ set_update(PySetObject *so, PyObject *args)
 PyDoc_STRVAR(update_doc,
 "Update a set with the union of itself and others.");
 
+/* XXX Todo:
+   If aligned memory allocations become available, make the
+   set object 64 byte aligned so that most of the fields
+   can be retrieved or updated in a single cache line.
+*/
+
 static PyObject *
 make_new_set(PyTypeObject *type, PyObject *iterable)
 {
@@ -1028,8 +953,8 @@ make_new_set(PyTypeObject *type, PyObject *iterable)
     so->used = 0;
     so->mask = PySet_MINSIZE - 1;
     so->table = so->smalltable;
-    so->lookup = set_lookkey_unicode;
     so->hash = -1;
+    so->finger = 0;
     so->weakreflist = NULL;
 
     if (iterable != NULL) {
@@ -1117,10 +1042,8 @@ set_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
      t=set(a); a.clear(); a.update(b); b.clear(); b.update(t); del t
 
    The function always succeeds and it leaves both objects in a stable state.
-   Useful for creating temporary frozensets from sets for membership testing
-   in __contains__(), discard(), and remove().  Also useful for operations
-   that update in-place (by allowing an intermediate result to be swapped
-   into one of the original inputs).
+   Useful for operations that update in-place (by allowing an intermediate
+   result to be swapped into one of the original inputs).
 */
 
 static void
@@ -1128,7 +1051,6 @@ set_swap_bodies(PySetObject *a, PySetObject *b)
 {
     Py_ssize_t t;
     setentry *u;
-    setentry *(*f)(PySetObject *so, PyObject *key, Py_ssize_t hash);
     setentry tab[PySet_MINSIZE];
     Py_hash_t h;
 
@@ -1144,8 +1066,6 @@ set_swap_bodies(PySetObject *a, PySetObject *b)
         a->table = a->smalltable;
     b->table = u;
 
-    f = a->lookup;   a->lookup = b->lookup;      b->lookup = f;
-
     if (a->table == a->smalltable || b->table == b->smalltable) {
         memcpy(tab, a->smalltable, sizeof(tab));
         memcpy(a->smalltable, b->smalltable, sizeof(tab));
diff --git a/Objects/stringlib/fastsearch.h b/Objects/stringlib/fastsearch.h
index cd7cac4..cda68e7 100644
--- a/Objects/stringlib/fastsearch.h
+++ b/Objects/stringlib/fastsearch.h
@@ -36,7 +36,7 @@
 Py_LOCAL_INLINE(Py_ssize_t)
 STRINGLIB(fastsearch_memchr_1char)(const STRINGLIB_CHAR* s, Py_ssize_t n,
                                    STRINGLIB_CHAR ch, unsigned char needle,
-                                   Py_ssize_t maxcount, int mode)
+                                   int mode)
 {
     if (mode == FAST_SEARCH) {
         const STRINGLIB_CHAR *ptr = s;
@@ -115,7 +115,7 @@ FASTSEARCH(const STRINGLIB_CHAR* s, Py_ssize_t n,
             if (needle != 0)
 #endif
                 return STRINGLIB(fastsearch_memchr_1char)
-                       (s, n, p[0], needle, maxcount, mode);
+                       (s, n, p[0], needle, mode);
         }
         if (mode == FAST_COUNT) {
             for (i = 0; i < n; i++)
diff --git a/Objects/stringlib/find.h b/Objects/stringlib/find.h
index 518e012..14815f6 100644
--- a/Objects/stringlib/find.h
+++ b/Objects/stringlib/find.h
@@ -11,8 +11,7 @@ STRINGLIB(find)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
 {
     Py_ssize_t pos;
 
-    if (str_len < 0)
-        return -1;
+    assert(str_len >= 0);
     if (sub_len == 0)
         return offset;
 
@@ -31,8 +30,7 @@ STRINGLIB(rfind)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
 {
     Py_ssize_t pos;
 
-    if (str_len < 0)
-        return -1;
+    assert(str_len >= 0);
     if (sub_len == 0)
         return str_len + offset;
 
@@ -44,27 +42,11 @@ STRINGLIB(rfind)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
     return pos;
 }
 
-/* helper macro to fixup start/end slice values */
-#define ADJUST_INDICES(start, end, len)         \
-    if (end > len)                              \
-        end = len;                              \
-    else if (end < 0) {                         \
-        end += len;                             \
-        if (end < 0)                            \
-            end = 0;                            \
-    }                                           \
-    if (start < 0) {                            \
-        start += len;                           \
-        if (start < 0)                          \
-            start = 0;                          \
-    }
-
 Py_LOCAL_INLINE(Py_ssize_t)
 STRINGLIB(find_slice)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
                      const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,
                      Py_ssize_t start, Py_ssize_t end)
 {
-    ADJUST_INDICES(start, end, str_len);
     return STRINGLIB(find)(str + start, end - start, sub, sub_len, start);
 }
 
@@ -73,7 +55,6 @@ STRINGLIB(rfind_slice)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
                       const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,
                       Py_ssize_t start, Py_ssize_t end)
 {
-    ADJUST_INDICES(start, end, str_len);
     return STRINGLIB(rfind)(str + start, end - start, sub, sub_len, start);
 }
 
diff --git a/Objects/stringlib/transmogrify.h b/Objects/stringlib/transmogrify.h
index cae6ea1..b559b53 100644
--- a/Objects/stringlib/transmogrify.h
+++ b/Objects/stringlib/transmogrify.h
@@ -59,7 +59,7 @@ stringlib_expandtabs(PyObject *self, PyObject *args, PyObject *kwds)
 
     j = 0;
     q = STRINGLIB_STR(u);
-    
+
     for (p = STRINGLIB_STR(self); p < e; p++) {
         if (*p == '\t') {
             if (tabsize > 0) {
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 8c00210..7efa1a6 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -97,7 +97,7 @@ PyTuple_New(Py_ssize_t size)
 #endif
     {
         /* Check for overflow */
-        if (size > (PY_SSIZE_T_MAX - sizeof(PyTupleObject) -
+        if ((size_t)size > ((size_t)PY_SSIZE_T_MAX - sizeof(PyTupleObject) -
                     sizeof(PyObject *)) / sizeof(PyObject *)) {
             return PyErr_NoMemory();
         }
@@ -746,7 +746,7 @@ tuplesubscript(PyTupleObject* self, PyObject* item)
     }
     else {
         PyErr_Format(PyExc_TypeError,
-                     "tuple indices must be integers, not %.200s",
+                     "tuple indices must be integers or slices, not %.200s",
                      Py_TYPE(item)->tp_name);
         return NULL;
     }
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 0fccecd..4b99287 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -14,10 +14,11 @@
    MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large
    strings are used as attribute names. */
 #define MCACHE_MAX_ATTR_SIZE    100
-#define MCACHE_SIZE_EXP         9
+#define MCACHE_SIZE_EXP         12
 #define MCACHE_HASH(version, name_hash)                                 \
-        (((unsigned int)(version) * (unsigned int)(name_hash))          \
-         >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP))
+        (((unsigned int)(version) ^ (unsigned int)(name_hash))          \
+         & ((1 << MCACHE_SIZE_EXP) - 1))
+
 #define MCACHE_HASH_METHOD(type, name)                                  \
         MCACHE_HASH((type)->tp_version_tag,                     \
                     ((PyASCIIObject *)(name))->hash)
@@ -35,6 +36,14 @@ struct method_cache_entry {
 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP];
 static unsigned int next_version_tag = 0;
 
+#define MCACHE_STATS 0
+
+#if MCACHE_STATS
+static size_t method_cache_hits = 0;
+static size_t method_cache_misses = 0;
+static size_t method_cache_collisions = 0;
+#endif
+
 /* alphabetical order */
 _Py_IDENTIFIER(__abstractmethods__);
 _Py_IDENTIFIER(__class__);
@@ -54,6 +63,9 @@ _Py_IDENTIFIER(builtins);
 static PyObject *
 slot_tp_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
 
+static void
+clear_slotdefs(void);
+
 /*
  * finds the beginning of the docstring's introspection signature.
  * if present, returns a pointer pointing to the first '('.
@@ -125,7 +137,7 @@ _PyType_GetDocFromInternalDoc(const char *name, const char *internal_doc)
 {
     const char *doc = _PyType_DocWithoutSignature(name, internal_doc);
 
-    if (!doc) {
+    if (!doc || *doc == '\0') {
         Py_INCREF(Py_None);
         return Py_None;
     }
@@ -162,6 +174,18 @@ PyType_ClearCache(void)
     Py_ssize_t i;
     unsigned int cur_version_tag = next_version_tag - 1;
 
+#if MCACHE_STATS
+    size_t total = method_cache_hits + method_cache_collisions + method_cache_misses;
+    fprintf(stderr, "-- Method cache hits        = %zd (%d%%)\n",
+            method_cache_hits, (int) (100.0 * method_cache_hits / total));
+    fprintf(stderr, "-- Method cache true misses = %zd (%d%%)\n",
+            method_cache_misses, (int) (100.0 * method_cache_misses / total));
+    fprintf(stderr, "-- Method cache collisions  = %zd (%d%%)\n",
+            method_cache_collisions, (int) (100.0 * method_cache_collisions / total));
+    fprintf(stderr, "-- Method cache size        = %zd KB\n",
+            sizeof(method_cache) / 1024);
+#endif
+
     for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
         method_cache[i].version = 0;
         Py_CLEAR(method_cache[i].name);
@@ -177,6 +201,7 @@ void
 _PyType_Fini(void)
 {
     PyType_ClearCache();
+    clear_slotdefs();
 }
 
 void
@@ -1200,8 +1225,11 @@ subtype_dealloc(PyObject *self)
     assert(basedealloc);
     basedealloc(self);
 
-    /* Can't reference self beyond this point */
-    Py_DECREF(type);
+    /* Can't reference self beyond this point. It's possible tp_del switched
+       our type from a HEAPTYPE to a non-HEAPTYPE, so be careful about
+       reference counting. */
+    if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
+      Py_DECREF(type);
 
   endlabel:
     ++_PyTrash_delete_nesting;
@@ -2617,9 +2645,10 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
     }
     type->tp_dealloc = subtype_dealloc;
 
-    /* Enable GC unless there are really no instance variables possible */
-    if (!(type->tp_basicsize == sizeof(PyObject) &&
-          type->tp_itemsize == 0))
+    /* Enable GC unless this class is not adding new instance variables and
+       the base class did not use GC. */
+    if ((base->tp_flags & Py_TPFLAGS_HAVE_GC) ||
+        type->tp_basicsize > base->tp_basicsize)
         type->tp_flags |= Py_TPFLAGS_HAVE_GC;
 
     /* Always override allocation strategy to use regular heap */
@@ -2736,7 +2765,8 @@ PyType_FromSpecWithBases(PyType_Spec *spec, PyObject *bases)
     type->tp_itemsize = spec->itemsize;
 
     for (slot = spec->slots; slot->slot; slot++) {
-        if (slot->slot >= Py_ARRAY_LENGTH(slotoffsets)) {
+        if (slot->slot < 0
+            || (size_t)slot->slot >= Py_ARRAY_LENGTH(slotoffsets)) {
             PyErr_SetString(PyExc_RuntimeError, "invalid slot offset");
             goto fail;
         }
@@ -2779,6 +2809,12 @@ PyType_FromSpecWithBases(PyType_Spec *spec, PyObject *bases)
         _PyDict_SetItemId(type->tp_dict, &PyId___module__,
             PyUnicode_FromStringAndSize(
                 spec->name, (Py_ssize_t)(s - spec->name)));
+    else {
+        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
+                "builtin type %.200s has no __module__ attribute",
+                spec->name))
+            goto fail;
+    }
 
     return (PyObject*)res;
 
@@ -2796,11 +2832,11 @@ PyType_FromSpec(PyType_Spec *spec)
 void *
 PyType_GetSlot(PyTypeObject *type, int slot)
 {
-    if (!PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE)) {
+    if (!PyType_HasFeature(type, Py_TPFLAGS_HEAPTYPE) || slot < 0) {
         PyErr_BadInternalCall();
         return NULL;
     }
-    if (slot >= Py_ARRAY_LENGTH(slotoffsets)) {
+    if ((size_t)slot >= Py_ARRAY_LENGTH(slotoffsets)) {
         /* Extension module requesting slot from a future version */
         return NULL;
     }
@@ -2821,8 +2857,12 @@ _PyType_Lookup(PyTypeObject *type, PyObject *name)
         /* fast path */
         h = MCACHE_HASH_METHOD(type, name);
         if (method_cache[h].version == type->tp_version_tag &&
-            method_cache[h].name == name)
+            method_cache[h].name == name) {
+#if MCACHE_STATS
+            method_cache_hits++;
+#endif
             return method_cache[h].value;
+        }
     }
 
     /* Look in tp_dict of types in MRO */
@@ -2856,6 +2896,13 @@ _PyType_Lookup(PyTypeObject *type, PyObject *name)
         method_cache[h].version = type->tp_version_tag;
         method_cache[h].value = res;  /* borrowed */
         Py_INCREF(name);
+        assert(((PyASCIIObject *)(name))->hash != -1);
+#if MCACHE_STATS
+        if (method_cache[h].name != Py_None && method_cache[h].name != name)
+            method_cache_collisions++;
+        else
+            method_cache_misses++;
+#endif
         Py_DECREF(method_cache[h].name);
         method_cache[h].name = name;
     }
@@ -3506,17 +3553,18 @@ object_get_class(PyObject *self, void *closure)
 }
 
 static int
-equiv_structs(PyTypeObject *a, PyTypeObject *b)
+compatible_with_tp_base(PyTypeObject *child)
 {
-    return a == b ||
-           (a != NULL &&
-        b != NULL &&
-        a->tp_basicsize == b->tp_basicsize &&
-        a->tp_itemsize == b->tp_itemsize &&
-        a->tp_dictoffset == b->tp_dictoffset &&
-        a->tp_weaklistoffset == b->tp_weaklistoffset &&
-        ((a->tp_flags & Py_TPFLAGS_HAVE_GC) ==
-         (b->tp_flags & Py_TPFLAGS_HAVE_GC)));
+    PyTypeObject *parent = child->tp_base;
+    return (parent != NULL &&
+            child->tp_basicsize == parent->tp_basicsize &&
+            child->tp_itemsize == parent->tp_itemsize &&
+            child->tp_dictoffset == parent->tp_dictoffset &&
+            child->tp_weaklistoffset == parent->tp_weaklistoffset &&
+            ((child->tp_flags & Py_TPFLAGS_HAVE_GC) ==
+             (parent->tp_flags & Py_TPFLAGS_HAVE_GC)) &&
+            (child->tp_dealloc == subtype_dealloc ||
+             child->tp_dealloc == parent->tp_dealloc));
 }
 
 static int
@@ -3534,6 +3582,10 @@ same_slots_added(PyTypeObject *a, PyTypeObject *b)
         size += sizeof(PyObject *);
 
     /* Check slots compliance */
+    if (!(a->tp_flags & Py_TPFLAGS_HEAPTYPE) ||
+        !(b->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
+        return 0;
+    }
     slots_a = ((PyHeapTypeObject *)a)->ht_slots;
     slots_b = ((PyHeapTypeObject *)b)->ht_slots;
     if (slots_a && slots_b) {
@@ -3549,9 +3601,7 @@ compatible_for_assignment(PyTypeObject* oldto, PyTypeObject* newto, char* attr)
 {
     PyTypeObject *newbase, *oldbase;
 
-    if (newto->tp_dealloc != oldto->tp_dealloc ||
-        newto->tp_free != oldto->tp_free)
-    {
+    if (newto->tp_free != oldto->tp_free) {
         PyErr_Format(PyExc_TypeError,
                      "%s assignment: "
                      "'%s' deallocator differs from '%s'",
@@ -3560,11 +3610,21 @@ compatible_for_assignment(PyTypeObject* oldto, PyTypeObject* newto, char* attr)
                      oldto->tp_name);
         return 0;
     }
+    /*
+     It's tricky to tell if two arbitrary types are sufficiently compatible as
+     to be interchangeable; e.g., even if they have the same tp_basicsize, they
+     might have totally different struct fields. It's much easier to tell if a
+     type and its supertype are compatible; e.g., if they have the same
+     tp_basicsize, then that means they have identical fields. So to check
+     whether two arbitrary types are compatible, we first find the highest
+     supertype that each is compatible with, and then if those supertypes are
+     compatible then the original types must also be compatible.
+    */
     newbase = newto;
     oldbase = oldto;
-    while (equiv_structs(newbase, newbase->tp_base))
+    while (compatible_with_tp_base(newbase))
         newbase = newbase->tp_base;
-    while (equiv_structs(oldbase, oldbase->tp_base))
+    while (compatible_with_tp_base(oldbase))
         oldbase = oldbase->tp_base;
     if (newbase != oldbase &&
         (newbase->tp_base != oldbase->tp_base ||
@@ -3599,17 +3659,12 @@ object_set_class(PyObject *self, PyObject *value, void *closure)
         return -1;
     }
     newto = (PyTypeObject *)value;
-    if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) ||
-        !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
-    {
-        PyErr_Format(PyExc_TypeError,
-                     "__class__ assignment: only for heap types");
-        return -1;
-    }
     if (compatible_for_assignment(oldto, newto, "__class__")) {
-        Py_INCREF(newto);
+        if (newto->tp_flags & Py_TPFLAGS_HEAPTYPE)
+            Py_INCREF(newto);
         Py_TYPE(self) = newto;
-        Py_DECREF(oldto);
+        if (oldto->tp_flags & Py_TPFLAGS_HEAPTYPE)
+            Py_DECREF(oldto);
         return 0;
     }
     else {
@@ -3972,48 +4027,87 @@ _PyObject_GetItemsIter(PyObject *obj, PyObject **listitems,
 }
 
 static PyObject *
-reduce_4(PyObject *obj)
+reduce_newobj(PyObject *obj, int proto)
 {
     PyObject *args = NULL, *kwargs = NULL;
     PyObject *copyreg;
     PyObject *newobj, *newargs, *state, *listitems, *dictitems;
     PyObject *result;
-    _Py_IDENTIFIER(__newobj_ex__);
 
-    if (_PyObject_GetNewArguments(obj, &args, &kwargs) < 0) {
+    if (_PyObject_GetNewArguments(obj, &args, &kwargs) < 0)
         return NULL;
-    }
+
     if (args == NULL) {
         args = PyTuple_New(0);
-        if (args == NULL)
-            return NULL;
-    }
-    if (kwargs == NULL) {
-        kwargs = PyDict_New();
-        if (kwargs == NULL)
+        if (args == NULL) {
+            Py_XDECREF(kwargs);
             return NULL;
+        }
     }
-
     copyreg = import_copyreg();
     if (copyreg == NULL) {
         Py_DECREF(args);
-        Py_DECREF(kwargs);
+        Py_XDECREF(kwargs);
         return NULL;
     }
-    newobj = _PyObject_GetAttrId(copyreg, &PyId___newobj_ex__);
-    Py_DECREF(copyreg);
-    if (newobj == NULL) {
+    if (kwargs == NULL || PyDict_Size(kwargs) == 0) {
+        _Py_IDENTIFIER(__newobj__);
+        PyObject *cls;
+        Py_ssize_t i, n;
+
+        Py_XDECREF(kwargs);
+        newobj = _PyObject_GetAttrId(copyreg, &PyId___newobj__);
+        Py_DECREF(copyreg);
+        if (newobj == NULL) {
+            Py_DECREF(args);
+            return NULL;
+        }
+        n = PyTuple_GET_SIZE(args);
+        newargs = PyTuple_New(n+1);
+        if (newargs == NULL) {
+            Py_DECREF(args);
+            Py_DECREF(newobj);
+            return NULL;
+        }
+        cls = (PyObject *) Py_TYPE(obj);
+        Py_INCREF(cls);
+        PyTuple_SET_ITEM(newargs, 0, cls);
+        for (i = 0; i < n; i++) {
+            PyObject *v = PyTuple_GET_ITEM(args, i);
+            Py_INCREF(v);
+            PyTuple_SET_ITEM(newargs, i+1, v);
+        }
+        Py_DECREF(args);
+    }
+    else if (proto >= 4) {
+        _Py_IDENTIFIER(__newobj_ex__);
+
+        newobj = _PyObject_GetAttrId(copyreg, &PyId___newobj_ex__);
+        Py_DECREF(copyreg);
+        if (newobj == NULL) {
+            Py_DECREF(args);
+            Py_DECREF(kwargs);
+            return NULL;
+        }
+        newargs = PyTuple_Pack(3, Py_TYPE(obj), args, kwargs);
         Py_DECREF(args);
         Py_DECREF(kwargs);
-        return NULL;
+        if (newargs == NULL) {
+            Py_DECREF(newobj);
+            return NULL;
+        }
     }
-    newargs = PyTuple_Pack(3, Py_TYPE(obj), args, kwargs);
-    Py_DECREF(args);
-    Py_DECREF(kwargs);
-    if (newargs == NULL) {
-        Py_DECREF(newobj);
+    else {
+        PyErr_SetString(PyExc_ValueError,
+                        "must use protocol 4 or greater to copy this "
+                        "object; since __getnewargs_ex__ returned "
+                        "keyword arguments.");
+        Py_DECREF(args);
+        Py_DECREF(kwargs);
+        Py_DECREF(copyreg);
         return NULL;
     }
+
     state = _PyObject_GetState(obj);
     if (state == NULL) {
         Py_DECREF(newobj);
@@ -4036,79 +4130,6 @@ reduce_4(PyObject *obj)
     return result;
 }
 
-static PyObject *
-reduce_2(PyObject *obj)
-{
-    PyObject *cls;
-    PyObject *args = NULL, *args2 = NULL, *kwargs = NULL;
-    PyObject *state = NULL, *listitems = NULL, *dictitems = NULL;
-    PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
-    Py_ssize_t i, n;
-    _Py_IDENTIFIER(__newobj__);
-
-    if (_PyObject_GetNewArguments(obj, &args, &kwargs) < 0) {
-        return NULL;
-    }
-    if (args == NULL) {
-        assert(kwargs == NULL);
-        args = PyTuple_New(0);
-        if (args == NULL) {
-            return NULL;
-        }
-    }
-    else if (kwargs != NULL) {
-        if (PyDict_Size(kwargs) > 0) {
-            PyErr_SetString(PyExc_ValueError,
-                            "must use protocol 4 or greater to copy this "
-                            "object; since __getnewargs_ex__ returned "
-                            "keyword arguments.");
-            Py_DECREF(args);
-            Py_DECREF(kwargs);
-            return NULL;
-        }
-        Py_CLEAR(kwargs);
-    }
-
-    state = _PyObject_GetState(obj);
-    if (state == NULL)
-        goto end;
-
-    if (_PyObject_GetItemsIter(obj, &listitems, &dictitems) < 0)
-        goto end;
-
-    copyreg = import_copyreg();
-    if (copyreg == NULL)
-        goto end;
-    newobj = _PyObject_GetAttrId(copyreg, &PyId___newobj__);
-    if (newobj == NULL)
-        goto end;
-
-    n = PyTuple_GET_SIZE(args);
-    args2 = PyTuple_New(n+1);
-    if (args2 == NULL)
-        goto end;
-    cls = (PyObject *) Py_TYPE(obj);
-    Py_INCREF(cls);
-    PyTuple_SET_ITEM(args2, 0, cls);
-    for (i = 0; i < n; i++) {
-        PyObject *v = PyTuple_GET_ITEM(args, i);
-        Py_INCREF(v);
-        PyTuple_SET_ITEM(args2, i+1, v);
-    }
-
-    res = PyTuple_Pack(5, newobj, args2, state, listitems, dictitems);
-
-  end:
-    Py_XDECREF(args);
-    Py_XDECREF(args2);
-    Py_XDECREF(state);
-    Py_XDECREF(listitems);
-    Py_XDECREF(dictitems);
-    Py_XDECREF(copyreg);
-    Py_XDECREF(newobj);
-    return res;
-}
-
 /*
  * There were two problems when object.__reduce__ and object.__reduce_ex__
  * were implemented in the same function:
@@ -4129,10 +4150,8 @@ _common_reduce(PyObject *self, int proto)
 {
     PyObject *copyreg, *res;
 
-    if (proto >= 4)
-        return reduce_4(self);
-    else if (proto >= 2)
-        return reduce_2(self);
+    if (proto >= 2)
+        return reduce_newobj(self, proto);
 
     copyreg = import_copyreg();
     if (!copyreg)
@@ -4592,6 +4611,8 @@ inherit_slots(PyTypeObject *type, PyTypeObject *base)
         COPYNUM(nb_inplace_true_divide);
         COPYNUM(nb_inplace_floor_divide);
         COPYNUM(nb_index);
+        COPYNUM(nb_matrix_multiply);
+        COPYNUM(nb_inplace_matrix_multiply);
     }
 
     if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) {
@@ -4803,14 +4824,11 @@ PyType_Ready(PyTypeObject *type)
             PyObject *b = PyTuple_GET_ITEM(bases, i);
             if (PyType_Check(b) &&
                 (((PyTypeObject *)b)->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
-                char buf[300];
-                PyOS_snprintf(buf, sizeof(buf),
-                              "type '%.100s' is not dynamically allocated but "
-                              "its base type '%.100s' is dynamically allocated",
-                              type->tp_name, ((PyTypeObject *)b)->tp_name);
-                if (PyErr_Warn(PyExc_DeprecationWarning, buf) < 0)
-                    goto error;
-                break;
+                PyErr_Format(PyExc_TypeError,
+                             "type '%.100s' is not dynamically allocated but "
+                             "its base type '%.100s' is dynamically allocated",
+                             type->tp_name, ((PyTypeObject *)b)->tp_name);
+                goto error;
             }
         }
 
@@ -5762,6 +5780,7 @@ slot_mp_ass_subscript(PyObject *self, PyObject *key, PyObject *value)
 SLOT1BIN(slot_nb_add, nb_add, "__add__", "__radd__")
 SLOT1BIN(slot_nb_subtract, nb_subtract, "__sub__", "__rsub__")
 SLOT1BIN(slot_nb_multiply, nb_multiply, "__mul__", "__rmul__")
+SLOT1BIN(slot_nb_matrix_multiply, nb_matrix_multiply, "__matmul__", "__rmatmul__")
 SLOT1BIN(slot_nb_remainder, nb_remainder, "__mod__", "__rmod__")
 SLOT1BIN(slot_nb_divmod, nb_divmod, "__divmod__", "__rdivmod__")
 
@@ -5855,6 +5874,7 @@ SLOT0(slot_nb_float, "__float__")
 SLOT1(slot_nb_inplace_add, "__iadd__", PyObject *, "O")
 SLOT1(slot_nb_inplace_subtract, "__isub__", PyObject *, "O")
 SLOT1(slot_nb_inplace_multiply, "__imul__", PyObject *, "O")
+SLOT1(slot_nb_inplace_matrix_multiply, "__imatmul__", PyObject *, "O")
 SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O")
 /* Can't use SLOT1 here, because nb_inplace_power is ternary */
 static PyObject *
@@ -6435,6 +6455,12 @@ static slotdef slotdefs[] = {
            "__index__($self, /)\n--\n\n"
            "Return self converted to an integer, if self is suitable "
            "for use as an index into a list."),
+    BINSLOT("__matmul__", nb_matrix_multiply, slot_nb_matrix_multiply,
+            "@"),
+    RBINSLOT("__rmatmul__", nb_matrix_multiply, slot_nb_matrix_multiply,
+             "@"),
+    IBSLOT("__imatmul__", nb_inplace_matrix_multiply, slot_nb_inplace_matrix_multiply,
+           wrap_binaryfunc, "@="),
     MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,
            "__len__($self, /)\n--\n\nReturn len(self)."),
     MPSLOT("__getitem__", mp_subscript, slot_mp_subscript,
@@ -6655,15 +6681,15 @@ update_slots_callback(PyTypeObject *type, void *data)
     return 0;
 }
 
+static int slotdefs_initialized = 0;
 /* Initialize the slotdefs table by adding interned string objects for the
-   names and sorting the entries. */
+   names. */
 static void
 init_slotdefs(void)
 {
     slotdef *p;
-    static int initialized = 0;
 
-    if (initialized)
+    if (slotdefs_initialized)
         return;
     for (p = slotdefs; p->name; p++) {
         /* Slots must be ordered by their offset in the PyHeapTypeObject. */
@@ -6672,7 +6698,17 @@ init_slotdefs(void)
         if (!p->name_strobj)
             Py_FatalError("Out of memory interning slotdef names");
     }
-    initialized = 1;
+    slotdefs_initialized = 1;
+}
+
+/* Undo init_slotdefs, releasing the interned strings. */
+static void clear_slotdefs(void)
+{
+    slotdef *p;
+    for (p = slotdefs; p->name; p++) {
+        Py_CLEAR(p->name_strobj);
+    }
+    slotdefs_initialized = 0;
 }
 
 /* Update the slots after assignment to a class (type) attribute. */
diff --git a/Objects/typeslots.inc b/Objects/typeslots.inc
index caa1e03..2ed99d8 100644
--- a/Objects/typeslots.inc
+++ b/Objects/typeslots.inc
@@ -73,3 +73,5 @@ offsetof(PyHeapTypeObject, ht_type.tp_traverse),
 offsetof(PyHeapTypeObject, ht_type.tp_members),
 offsetof(PyHeapTypeObject, ht_type.tp_getset),
 offsetof(PyHeapTypeObject, ht_type.tp_free),
+offsetof(PyHeapTypeObject, as_number.nb_matrix_multiply),
+offsetof(PyHeapTypeObject, as_number.nb_inplace_matrix_multiply),
diff --git a/Objects/unicodectype.c b/Objects/unicodectype.c
index ea540d6..d8c95c8 100644
--- a/Objects/unicodectype.c
+++ b/Objects/unicodectype.c
@@ -27,7 +27,7 @@
 #define EXTENDED_CASE_MASK 0x4000
 
 typedef struct {
-    /* 
+    /*
        These are either deltas to the character or offsets in
        _PyUnicode_ExtendedCase.
     */
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index b425e43..3225fb3 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -290,6 +290,8 @@ static unsigned char ascii_linebreak[] = {
     0, 0, 0, 0, 0, 0, 0, 0
 };
 
+#include "clinic/unicodeobject.c.h"
+
 /* The max unicode value is always 0x10FFFF while using the PEP-393 API.
    This function is kept for backward compatibility with the old API. */
 Py_UNICODE
@@ -519,10 +521,6 @@ unicode_result_unchanged(PyObject *unicode)
         return _PyUnicode_Copy(unicode);
 }
 
-#ifdef HAVE_MBCS
-static OSVERSIONINFOEX winver;
-#endif
-
 /* --- Bloom Filters ----------------------------------------------------- */
 
 /* stuff to implement simple "bloom filters" for Unicode characters.
@@ -645,7 +643,7 @@ make_bloom_mask(int kind, void* ptr, Py_ssize_t len)
 static PyObject *
 fixup(PyObject *self, Py_UCS4 (*fixfct)(PyObject *s));
 
-Py_LOCAL_INLINE(Py_ssize_t) findchar(void *s, int kind,
+Py_LOCAL_INLINE(Py_ssize_t) findchar(const void *s, int kind,
                                      Py_ssize_t size, Py_UCS4 ch,
                                      int direction)
 {
@@ -727,7 +725,7 @@ resize_compact(PyObject *unicode, Py_ssize_t length)
     _Py_DEC_REFTOTAL;
     _Py_ForgetReference(unicode);
 
-    new_unicode = (PyObject *)PyObject_REALLOC((char *)unicode, new_size);
+    new_unicode = (PyObject *)PyObject_REALLOC(unicode, new_size);
     if (new_unicode == NULL) {
         _Py_NewReference(unicode);
         PyErr_NoMemory();
@@ -816,7 +814,7 @@ resize_inplace(PyObject *unicode, Py_ssize_t length)
     assert(_PyUnicode_WSTR(unicode) != NULL);
 
     /* check for integer overflow */
-    if (length > PY_SSIZE_T_MAX / sizeof(wchar_t) - 1) {
+    if (length > PY_SSIZE_T_MAX / (Py_ssize_t)sizeof(wchar_t) - 1) {
         PyErr_NoMemory();
         return -1;
     }
@@ -888,7 +886,7 @@ _PyUnicode_New(Py_ssize_t length)
     }
 
     /* Ensure we won't overflow the size. */
-    if (length > ((PY_SSIZE_T_MAX / sizeof(Py_UNICODE)) - 1)) {
+    if (length > ((PY_SSIZE_T_MAX / (Py_ssize_t)sizeof(Py_UNICODE)) - 1)) {
         return (PyUnicodeObject *)PyErr_NoMemory();
     }
     if (length < 0) {
@@ -2313,35 +2311,6 @@ PyUnicode_FromWideChar(const wchar_t *w, Py_ssize_t size)
 
 #endif /* HAVE_WCHAR_H */
 
-static void
-makefmt(char *fmt, int longflag, int longlongflag, int size_tflag,
-        char c)
-{
-    *fmt++ = '%';
-    if (longflag)
-        *fmt++ = 'l';
-    else if (longlongflag) {
-        /* longlongflag should only ever be nonzero on machines with
-           HAVE_LONG_LONG defined */
-#ifdef HAVE_LONG_LONG
-        char *f = PY_FORMAT_LONG_LONG;
-        while (*f)
-            *fmt++ = *f++;
-#else
-        /* we shouldn't ever get here */
-        assert(0);
-        *fmt++ = 'l';
-#endif
-    }
-    else if (size_tflag) {
-        char *f = PY_FORMAT_SIZE_T;
-        while (*f)
-            *fmt++ = *f++;
-    }
-    *fmt++ = c;
-    *fmt = '\0';
-}
-
 /* maximum number of characters required for output of %lld or %p.
    We need at most ceil(log10(256)*SIZEOF_LONG_LONG) digits,
    plus 1 for the sign.  53/22 is an upper bound for log10(256). */
@@ -2517,48 +2486,42 @@ unicode_fromformat_arg(_PyUnicodeWriter *writer,
     case 'x':
     {
         /* used by sprintf */
-        char fmt[10]; /* should be enough for "%0lld\0" */
         char buffer[MAX_LONG_LONG_CHARS];
         Py_ssize_t arglen;
 
         if (*f == 'u') {
-            makefmt(fmt, longflag, longlongflag, size_tflag, *f);
-
             if (longflag)
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%lu",
                         va_arg(*vargs, unsigned long));
 #ifdef HAVE_LONG_LONG
             else if (longlongflag)
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%" PY_FORMAT_LONG_LONG "u",
                         va_arg(*vargs, unsigned PY_LONG_LONG));
 #endif
             else if (size_tflag)
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%" PY_FORMAT_SIZE_T "u",
                         va_arg(*vargs, size_t));
             else
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%u",
                         va_arg(*vargs, unsigned int));
         }
         else if (*f == 'x') {
-            makefmt(fmt, 0, 0, 0, 'x');
-            len = sprintf(buffer, fmt, va_arg(*vargs, int));
+            len = sprintf(buffer, "%x", va_arg(*vargs, int));
         }
         else {
-            makefmt(fmt, longflag, longlongflag, size_tflag, *f);
-
             if (longflag)
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%li",
                         va_arg(*vargs, long));
 #ifdef HAVE_LONG_LONG
             else if (longlongflag)
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%" PY_FORMAT_LONG_LONG "i",
                         va_arg(*vargs, PY_LONG_LONG));
 #endif
             else if (size_tflag)
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%" PY_FORMAT_SIZE_T "i",
                         va_arg(*vargs, Py_ssize_t));
             else
-                len = sprintf(buffer, fmt,
+                len = sprintf(buffer, "%i",
                         va_arg(*vargs, int));
         }
         assert(len >= 0);
@@ -3241,7 +3204,7 @@ PyUnicode_EncodeLocale(PyObject *unicode, const char *errors)
     wlen2 = wcslen(wstr);
     if (wlen2 != wlen) {
         PyMem_Free(wstr);
-        PyErr_SetString(PyExc_TypeError, "embedded null character");
+        PyErr_SetString(PyExc_ValueError, "embedded null character");
         return NULL;
     }
 
@@ -3249,7 +3212,7 @@ PyUnicode_EncodeLocale(PyObject *unicode, const char *errors)
         /* "surrogateescape" error handler */
         char *str;
 
-        str = _Py_wchar2char(wstr, &error_pos);
+        str = Py_EncodeLocale(wstr, &error_pos);
         if (str == NULL) {
             if (error_pos == (size_t)-1) {
                 PyErr_NoMemory();
@@ -3302,7 +3265,7 @@ encode_error:
 
     if (errmsg != NULL) {
         size_t errlen;
-        wstr = _Py_char2wchar(errmsg, &errlen);
+        wstr = Py_DecodeLocale(errmsg, &errlen);
         if (wstr != NULL) {
             reason = PyUnicode_FromWideChar(wstr, errlen);
             PyMem_RawFree(wstr);
@@ -3477,7 +3440,7 @@ mbstowcs_errorpos(const char *str, size_t len)
     memset(&mbs, 0, sizeof mbs);
     while (len)
     {
-        converted = mbrtowc(&ch, (char*)str, len, &mbs);
+        converted = mbrtowc(&ch, str, len, &mbs);
         if (converted == 0)
             /* Reached end of string */
             break;
@@ -3508,19 +3471,20 @@ PyUnicode_DecodeLocaleAndSize(const char *str, Py_ssize_t len,
     int surrogateescape;
     size_t error_pos;
     char *errmsg;
-    PyObject *reason, *exc;
+    PyObject *reason = NULL;   /* initialize to prevent gcc warning */
+    PyObject *exc;
 
     if (locale_error_handler(errors, &surrogateescape) < 0)
         return NULL;
 
-    if (str[len] != '\0' || len != strlen(str)) {
-        PyErr_SetString(PyExc_TypeError, "embedded null character");
+    if (str[len] != '\0' || (size_t)len != strlen(str))  {
+        PyErr_SetString(PyExc_ValueError, "embedded null byte");
         return NULL;
     }
 
     if (surrogateescape) {
         /* "surrogateescape" error handler */
-        wstr = _Py_char2wchar(str, &wlen);
+        wstr = Py_DecodeLocale(str, &wlen);
         if (wstr == NULL) {
             if (wlen == (size_t)-1)
                 PyErr_NoMemory();
@@ -3572,7 +3536,7 @@ decode_error:
     error_pos = mbstowcs_errorpos(str, len);
     if (errmsg != NULL) {
         size_t errlen;
-        wstr = _Py_char2wchar(errmsg, &errlen);
+        wstr = Py_DecodeLocale(errmsg, &errlen);
         if (wstr != NULL) {
             reason = PyUnicode_FromWideChar(wstr, errlen);
             PyMem_RawFree(wstr);
@@ -3643,21 +3607,6 @@ PyUnicode_DecodeFSDefaultAndSize(const char *s, Py_ssize_t size)
 
 
 int
-_PyUnicode_HasNULChars(PyObject* str)
-{
-    Py_ssize_t pos;
-
-    if (PyUnicode_READY(str) == -1)
-        return -1;
-    pos = findchar(PyUnicode_DATA(str), PyUnicode_KIND(str),
-                   PyUnicode_GET_LENGTH(str), '\0', 1);
-    if (pos == -1)
-        return 0;
-    else
-        return 1;
-}
-
-int
 PyUnicode_FSConverter(PyObject* arg, void* addr)
 {
     PyObject *output = NULL;
@@ -3687,8 +3636,8 @@ PyUnicode_FSConverter(PyObject* arg, void* addr)
     }
     size = PyBytes_GET_SIZE(output);
     data = PyBytes_AS_STRING(output);
-    if (size != strlen(data)) {
-        PyErr_SetString(PyExc_TypeError, "embedded NUL character");
+    if ((size_t)size != strlen(data)) {
+        PyErr_SetString(PyExc_ValueError, "embedded null byte");
         Py_DECREF(output);
         return 0;
     }
@@ -3732,7 +3681,7 @@ PyUnicode_FSDecoder(PyObject* arg, void* addr)
     }
     if (findchar(PyUnicode_DATA(output), PyUnicode_KIND(output),
                  PyUnicode_GET_LENGTH(output), 0, 1) >= 0) {
-        PyErr_SetString(PyExc_TypeError, "embedded NUL character");
+        PyErr_SetString(PyExc_ValueError, "embedded null character");
         Py_DECREF(output);
         return 0;
     }
@@ -4837,7 +4786,7 @@ _Py_DecodeUTF8_surrogateescape(const char *s, Py_ssize_t size)
 
     /* Note: size will always be longer than the resulting Unicode
        character count */
-    if (PY_SSIZE_T_MAX / sizeof(wchar_t) < (size + 1))
+    if (PY_SSIZE_T_MAX / (Py_ssize_t)sizeof(wchar_t) < (size + 1))
         return NULL;
     unicode = PyMem_RawMalloc((size + 1) * sizeof(wchar_t));
     if (!unicode)
@@ -6849,28 +6798,6 @@ code_page_name(UINT code_page, PyObject **obj)
     return PyBytes_AS_STRING(*obj);
 }
 
-static int
-is_dbcs_lead_byte(UINT code_page, const char *s, int offset)
-{
-    const char *curr = s + offset;
-    const char *prev;
-
-    if (!IsDBCSLeadByteEx(code_page, *curr))
-        return 0;
-
-    prev = CharPrevExA(code_page, s, curr, 0);
-    if (prev == curr)
-        return 1;
-    /* FIXME: This code is limited to "true" double-byte encodings,
-       as it assumes an incomplete character consists of a single
-       byte. */
-    if (curr - prev == 2)
-        return 1;
-    if (!IsDBCSLeadByteEx(code_page, *prev))
-        return 1;
-    return 0;
-}
-
 static DWORD
 decode_code_page_flags(UINT code_page)
 {
@@ -6945,7 +6872,7 @@ static int
 decode_code_page_errors(UINT code_page,
                         PyObject **v,
                         const char *in, const int size,
-                        const char *errors)
+                        const char *errors, int final)
 {
     const char *startin = in;
     const char *endin = in + size;
@@ -6972,7 +6899,7 @@ decode_code_page_errors(UINT code_page,
     if (encoding == NULL)
         return -1;
 
-    if (errors == NULL || strcmp(errors, "strict") == 0) {
+    if ((errors == NULL || strcmp(errors, "strict") == 0) && final) {
         /* The last error was ERROR_NO_UNICODE_TRANSLATION, then we raise a
            UnicodeDecodeError. */
         make_decode_exception(&exc, encoding, in, size, 0, 0, reason);
@@ -7035,6 +6962,10 @@ decode_code_page_errors(UINT code_page,
         if (outsize <= 0) {
             Py_ssize_t startinpos, endinpos, outpos;
 
+            /* last character in partial decode? */
+            if (in + insize >= endin && !final)
+                break;
+
             startinpos = in - startin;
             endinpos = startinpos + 1;
             outpos = out - PyUnicode_AS_UNICODE(*v);
@@ -7063,7 +6994,8 @@ decode_code_page_errors(UINT code_page,
     assert(outsize <= PyUnicode_WSTR_LENGTH(*v));
     if (unicode_resize(v, outsize) < 0)
         goto error;
-    ret = size;
+    /* (in - startin) <= size and size is an int */
+    ret = Py_SAFE_DOWNCAST(in - startin, Py_ssize_t, int);
 
 error:
     Py_XDECREF(encoding_obj);
@@ -7104,24 +7036,19 @@ decode_code_page_stateful(int code_page,
             done = 1;
         }
 
-        /* Skip trailing lead-byte unless 'final' is set */
-        if (!final && is_dbcs_lead_byte(code_page, s, chunk_size - 1))
-            --chunk_size;
-
         if (chunk_size == 0 && done) {
             if (v != NULL)
                 break;
             _Py_RETURN_UNICODE_EMPTY();
         }
 
-
         converted = decode_code_page_strict(code_page, &v,
                                             s, chunk_size);
         if (converted == -2)
             converted = decode_code_page_errors(code_page, &v,
                                                 s, chunk_size,
-                                                errors);
-        assert(converted != 0);
+                                                errors, final);
+        assert(converted != 0 || done);
 
         if (converted < 0) {
             Py_XDECREF(v);
@@ -7169,13 +7096,7 @@ static DWORD
 encode_code_page_flags(UINT code_page, const char *errors)
 {
     if (code_page == CP_UTF8) {
-        if (winver.dwMajorVersion >= 6)
-            /* CP_UTF8 supports WC_ERR_INVALID_CHARS on Windows Vista
-               and later */
-            return WC_ERR_INVALID_CHARS;
-        else
-            /* CP_UTF8 only supports flags=0 on Windows older than Vista */
-            return 0;
+        return WC_ERR_INVALID_CHARS;
     }
     else if (code_page == CP_UTF7) {
         /* CP_UTF7 only supports flags=0 */
@@ -7485,6 +7406,11 @@ encode_code_page(int code_page,
     Py_ssize_t offset;
     int chunk_len, ret, done;
 
+    if (!PyUnicode_Check(unicode)) {
+        PyErr_BadArgument();
+        return NULL;
+    }
+
     if (PyUnicode_READY(unicode) == -1)
         return NULL;
     len = PyUnicode_GET_LENGTH(unicode);
@@ -7558,10 +7484,6 @@ PyUnicode_EncodeCodePage(int code_page,
 PyObject *
 PyUnicode_AsMBCSString(PyObject *unicode)
 {
-    if (!PyUnicode_Check(unicode)) {
-        PyErr_BadArgument();
-        return NULL;
-    }
     return PyUnicode_EncodeCodePage(CP_ACP, unicode, NULL);
 }
 
@@ -8528,10 +8450,10 @@ charmaptranslate_lookup(Py_UCS4 c, PyObject *mapping, PyObject **result)
     }
     else if (PyLong_Check(x)) {
         long value = PyLong_AS_LONG(x);
-        long max = PyUnicode_GetMax();
-        if (value < 0 || value > max) {
-            PyErr_Format(PyExc_TypeError,
-                         "character mapping must be in range(0x%x)", max+1);
+        if (value < 0 || value > MAX_UNICODE) {
+            PyErr_Format(PyExc_ValueError,
+                         "character mapping must be in range(0x%x)",
+                         MAX_UNICODE+1);
             Py_DECREF(x);
             return -1;
         }
@@ -8550,76 +8472,168 @@ charmaptranslate_lookup(Py_UCS4 c, PyObject *mapping, PyObject **result)
         return -1;
     }
 }
-/* ensure that *outobj is at least requiredsize characters long,
-   if not reallocate and adjust various state variables.
-   Return 0 on success, -1 on error */
+
+/* lookup the character, write the result into the writer.
+   Return 1 if the result was written into the writer, return 0 if the mapping
+   was undefined, raise an exception return -1 on error. */
 static int
-charmaptranslate_makespace(Py_UCS4 **outobj, Py_ssize_t *psize,
-                               Py_ssize_t requiredsize)
-{
-    Py_ssize_t oldsize = *psize;
-    Py_UCS4 *new_outobj;
-    if (requiredsize > oldsize) {
-        /* exponentially overallocate to minimize reallocations */
-        if (requiredsize < 2 * oldsize)
-            requiredsize = 2 * oldsize;
-        new_outobj = PyMem_Realloc(*outobj, requiredsize * sizeof(Py_UCS4));
-        if (new_outobj == 0)
+charmaptranslate_output(Py_UCS4 ch, PyObject *mapping,
+                        _PyUnicodeWriter *writer)
+{
+    PyObject *item;
+
+    if (charmaptranslate_lookup(ch, mapping, &item))
+        return -1;
+
+    if (item == NULL) {
+        /* not found => default to 1:1 mapping */
+        if (_PyUnicodeWriter_WriteCharInline(writer, ch) < 0) {
             return -1;
-        *outobj = new_outobj;
-        *psize = requiredsize;
+        }
+        return 1;
     }
-    return 0;
+
+    if (item == Py_None) {
+        Py_DECREF(item);
+        return 0;
+    }
+
+    if (PyLong_Check(item)) {
+        long ch = (Py_UCS4)PyLong_AS_LONG(item);
+        /* PyLong_AS_LONG() cannot fail, charmaptranslate_lookup() already
+           used it */
+        if (_PyUnicodeWriter_WriteCharInline(writer, ch) < 0) {
+            Py_DECREF(item);
+            return -1;
+        }
+        Py_DECREF(item);
+        return 1;
+    }
+
+    if (!PyUnicode_Check(item)) {
+        Py_DECREF(item);
+        return -1;
+    }
+
+    if (_PyUnicodeWriter_WriteStr(writer, item) < 0) {
+        Py_DECREF(item);
+        return -1;
+    }
+
+    Py_DECREF(item);
+    return 1;
 }
-/* lookup the character, put the result in the output string and adjust
-   various state variables. Return a new reference to the object that
-   was put in the output buffer in *result, or Py_None, if the mapping was
-   undefined (in which case no character was written).
-   The called must decref result.
-   Return 0 on success, -1 on error. */
+
 static int
-charmaptranslate_output(PyObject *input, Py_ssize_t ipos,
-                        PyObject *mapping, Py_UCS4 **output,
-                        Py_ssize_t *osize, Py_ssize_t *opos,
-                        PyObject **res)
+unicode_fast_translate_lookup(PyObject *mapping, Py_UCS1 ch,
+                              Py_UCS1 *translate)
 {
-    Py_UCS4 curinp = PyUnicode_READ_CHAR(input, ipos);
-    if (charmaptranslate_lookup(curinp, mapping, res))
+    PyObject *item = NULL;
+    int ret = 0;
+
+    if (charmaptranslate_lookup(ch, mapping, &item)) {
         return -1;
-    if (*res==NULL) {
+    }
+
+    if (item == Py_None) {
+        /* deletion */
+        translate[ch] = 0xfe;
+    }
+    else if (item == NULL) {
         /* not found => default to 1:1 mapping */
-        (*output)[(*opos)++] = curinp;
+        translate[ch] = ch;
+        return 1;
     }
-    else if (*res==Py_None)
-        ;
-    else if (PyLong_Check(*res)) {
-        /* no overflow check, because we know that the space is enough */
-        (*output)[(*opos)++] = (Py_UCS4)PyLong_AS_LONG(*res);
+    else if (PyLong_Check(item)) {
+        long replace = PyLong_AS_LONG(item);
+        /* PyLong_AS_LONG() cannot fail, charmaptranslate_lookup() already
+           used it */
+        if (127 < replace) {
+            /* invalid character or character outside ASCII:
+               skip the fast translate */
+            goto exit;
+        }
+        translate[ch] = (Py_UCS1)replace;
     }
-    else if (PyUnicode_Check(*res)) {
-        Py_ssize_t repsize;
-        if (PyUnicode_READY(*res) == -1)
+    else if (PyUnicode_Check(item)) {
+        Py_UCS4 replace;
+
+        if (PyUnicode_READY(item) == -1) {
+            Py_DECREF(item);
             return -1;
-        repsize = PyUnicode_GET_LENGTH(*res);
-        if (repsize==1) {
-            /* no overflow check, because we know that the space is enough */
-            (*output)[(*opos)++] = PyUnicode_READ_CHAR(*res, 0);
         }
-        else if (repsize!=0) {
-            /* more than one character */
-            Py_ssize_t requiredsize = *opos +
-                (PyUnicode_GET_LENGTH(input) - ipos) +
-                repsize - 1;
-            Py_ssize_t i;
-            if (charmaptranslate_makespace(output, osize, requiredsize))
+        if (PyUnicode_GET_LENGTH(item) != 1)
+            goto exit;
+
+        replace = PyUnicode_READ_CHAR(item, 0);
+        if (replace > 127)
+            goto exit;
+        translate[ch] = (Py_UCS1)replace;
+    }
+    else {
+        /* not None, NULL, long or unicode */
+        goto exit;
+    }
+    ret = 1;
+
+  exit:
+    Py_DECREF(item);
+    return ret;
+}
+
+/* Fast path for ascii => ascii translation. Return 1 if the whole string
+   was translated into writer, return 0 if the input string was partially
+   translated into writer, raise an exception and return -1 on error. */
+static int
+unicode_fast_translate(PyObject *input, PyObject *mapping,
+                       _PyUnicodeWriter *writer, int ignore)
+{
+    Py_UCS1 ascii_table[128], ch, ch2;
+    Py_ssize_t len;
+    Py_UCS1 *in, *end, *out;
+    int res = 0;
+
+    if (PyUnicode_READY(input) == -1)
+        return -1;
+    if (!PyUnicode_IS_ASCII(input))
+        return 0;
+    len = PyUnicode_GET_LENGTH(input);
+
+    memset(ascii_table, 0xff, 128);
+
+    in = PyUnicode_1BYTE_DATA(input);
+    end = in + len;
+
+    assert(PyUnicode_IS_ASCII(writer->buffer));
+    assert(PyUnicode_GET_LENGTH(writer->buffer) == len);
+    out = PyUnicode_1BYTE_DATA(writer->buffer);
+
+    for (; in < end; in++) {
+        ch = *in;
+        ch2 = ascii_table[ch];
+        if (ch2 == 0xff) {
+            int translate = unicode_fast_translate_lookup(mapping, ch,
+                                                          ascii_table);
+            if (translate < 0)
                 return -1;
-            for(i = 0; i < repsize; i++)
-                (*output)[(*opos)++] = PyUnicode_READ_CHAR(*res, i);
+            if (translate == 0)
+                goto exit;
+            ch2 = ascii_table[ch];
+        }
+        if (ch2 == 0xfe) {
+            if (ignore)
+                continue;
+            goto exit;
         }
+        assert(ch2 < 128);
+        *out = ch2;
+        out++;
     }
-    else
-        return -1;
-    return 0;
+    res = 1;
+
+exit:
+    writer->pos = out - PyUnicode_1BYTE_DATA(writer->buffer);
+    return res;
 }
 
 PyObject *
@@ -8628,22 +8642,17 @@ _PyUnicode_TranslateCharmap(PyObject *input,
                             const char *errors)
 {
     /* input object */
-    char *idata;
+    char *data;
     Py_ssize_t size, i;
     int kind;
     /* output buffer */
-    Py_UCS4 *output = NULL;
-    Py_ssize_t osize;
-    PyObject *res;
-    /* current output position */
-    Py_ssize_t opos;
+    _PyUnicodeWriter writer;
+    /* error handler */
     char *reason = "character maps to <undefined>";
     PyObject *errorHandler = NULL;
     PyObject *exc = NULL;
-    /* the following variable is used for caching string comparisons
-     * -1=not initialized, 0=unknown, 1=strict, 2=replace,
-     * 3=ignore, 4=xmlcharrefreplace */
-    int known_errorHandler = -1;
+    int ignore;
+    int res;
 
     if (mapping == NULL) {
         PyErr_BadArgument();
@@ -8652,10 +8661,9 @@ _PyUnicode_TranslateCharmap(PyObject *input,
 
     if (PyUnicode_READY(input) == -1)
         return NULL;
-    idata = (char*)PyUnicode_DATA(input);
+    data = (char*)PyUnicode_DATA(input);
     kind = PyUnicode_KIND(input);
     size = PyUnicode_GET_LENGTH(input);
-    i = 0;
 
     if (size == 0) {
         Py_INCREF(input);
@@ -8664,121 +8672,81 @@ _PyUnicode_TranslateCharmap(PyObject *input,
 
     /* allocate enough for a simple 1:1 translation without
        replacements, if we need more, we'll resize */
-    osize = size;
-    output = PyMem_NEW(Py_UCS4, osize);
-    opos = 0;
-    if (output == NULL) {
-        PyErr_NoMemory();
+    _PyUnicodeWriter_Init(&writer);
+    if (_PyUnicodeWriter_Prepare(&writer, size, 127) == -1)
         goto onError;
+
+    ignore = (errors != NULL && strcmp(errors, "ignore") == 0);
+
+    res = unicode_fast_translate(input, mapping, &writer, ignore);
+    if (res < 0) {
+        _PyUnicodeWriter_Dealloc(&writer);
+        return NULL;
     }
+    if (res == 1)
+        return _PyUnicodeWriter_Finish(&writer);
 
+    i = writer.pos;
     while (i<size) {
         /* try to encode it */
-        PyObject *x = NULL;
-        if (charmaptranslate_output(input, i, mapping,
-                                    &output, &osize, &opos, &x)) {
-            Py_XDECREF(x);
+        int translate;
+        PyObject *repunicode = NULL; /* initialize to prevent gcc warning */
+        Py_ssize_t newpos;
+        /* startpos for collecting untranslatable chars */
+        Py_ssize_t collstart;
+        Py_ssize_t collend;
+        Py_UCS4 ch;
+
+        ch = PyUnicode_READ(kind, data, i);
+        translate = charmaptranslate_output(ch, mapping, &writer);
+        if (translate < 0)
             goto onError;
-        }
-        Py_XDECREF(x);
-        if (x!=Py_None) /* it worked => adjust input pointer */
+
+        if (translate != 0) {
+            /* it worked => adjust input pointer */
             ++i;
-        else { /* untranslatable character */
-            PyObject *repunicode = NULL; /* initialize to prevent gcc warning */
-            Py_ssize_t repsize;
-            Py_ssize_t newpos;
-            Py_ssize_t uni2;
-            /* startpos for collecting untranslatable chars */
-            Py_ssize_t collstart = i;
-            Py_ssize_t collend = i+1;
-            Py_ssize_t coll;
-
-            /* find all untranslatable characters */
-            while (collend < size) {
-                if (charmaptranslate_lookup(PyUnicode_READ(kind,idata, collend), mapping, &x))
-                    goto onError;
-                Py_XDECREF(x);
-                if (x!=Py_None)
-                    break;
-                ++collend;
-            }
-            /* cache callback name lookup
-             * (if not done yet, i.e. it's the first error) */
-            if (known_errorHandler==-1) {
-                if ((errors==NULL) || (!strcmp(errors, "strict")))
-                    known_errorHandler = 1;
-                else if (!strcmp(errors, "replace"))
-                    known_errorHandler = 2;
-                else if (!strcmp(errors, "ignore"))
-                    known_errorHandler = 3;
-                else if (!strcmp(errors, "xmlcharrefreplace"))
-                    known_errorHandler = 4;
-                else
-                    known_errorHandler = 0;
-            }
-            switch (known_errorHandler) {
-            case 1: /* strict */
-                make_translate_exception(&exc,
-                                         input, collstart, collend, reason);
-                if (exc != NULL)
-                    PyCodec_StrictErrors(exc);
+            continue;
+        }
+
+        /* untranslatable character */
+        collstart = i;
+        collend = i+1;
+
+        /* find all untranslatable characters */
+        while (collend < size) {
+            PyObject *x;
+            ch = PyUnicode_READ(kind, data, collend);
+            if (charmaptranslate_lookup(ch, mapping, &x))
                 goto onError;
-            case 2: /* replace */
-                /* No need to check for space, this is a 1:1 replacement */
-                for (coll = collstart; coll<collend; coll++)
-                    output[opos++] = '?';
-                /* fall through */
-            case 3: /* ignore */
-                i = collend;
-                break;
-            case 4: /* xmlcharrefreplace */
-                /* generate replacement (temporarily (mis)uses i) */
-                for (i = collstart; i < collend; ++i) {
-                    char buffer[2+29+1+1];
-                    char *cp;
-                    sprintf(buffer, "&#%d;", PyUnicode_READ(kind, idata, i));
-                    if (charmaptranslate_makespace(&output, &osize,
-                                                   opos+strlen(buffer)+(size-collend)))
-                        goto onError;
-                    for (cp = buffer; *cp; ++cp)
-                        output[opos++] = *cp;
-                }
-                i = collend;
+            Py_XDECREF(x);
+            if (x != Py_None)
                 break;
-            default:
-                repunicode = unicode_translate_call_errorhandler(errors, &errorHandler,
-                                                                 reason, input, &exc,
-                                                                 collstart, collend, &newpos);
-                if (repunicode == NULL)
-                    goto onError;
-                if (PyUnicode_READY(repunicode) == -1) {
-                    Py_DECREF(repunicode);
-                    goto onError;
-                }
-                /* generate replacement  */
-                repsize = PyUnicode_GET_LENGTH(repunicode);
-                if (charmaptranslate_makespace(&output, &osize,
-                                               opos+repsize+(size-collend))) {
-                    Py_DECREF(repunicode);
-                    goto onError;
-                }
-                for (uni2 = 0; repsize-->0; ++uni2)
-                    output[opos++] = PyUnicode_READ_CHAR(repunicode, uni2);
-                i = newpos;
+            ++collend;
+        }
+
+        if (ignore) {
+            i = collend;
+        }
+        else {
+            repunicode = unicode_translate_call_errorhandler(errors, &errorHandler,
+                                                             reason, input, &exc,
+                                                             collstart, collend, &newpos);
+            if (repunicode == NULL)
+                goto onError;
+            if (_PyUnicodeWriter_WriteStr(&writer, repunicode) < 0) {
                 Py_DECREF(repunicode);
+                goto onError;
             }
+            Py_DECREF(repunicode);
+            i = newpos;
         }
     }
-    res = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND, output, opos);
-    if (!res)
-        goto onError;
-    PyMem_Free(output);
     Py_XDECREF(exc);
     Py_XDECREF(errorHandler);
-    return res;
+    return _PyUnicodeWriter_Finish(&writer);
 
   onError:
-    PyMem_Free(output);
+    _PyUnicodeWriter_Dealloc(&writer);
     Py_XDECREF(exc);
     Py_XDECREF(errorHandler);
     return NULL;
@@ -8880,7 +8848,7 @@ PyUnicode_TransformDecimalToASCII(Py_UNICODE *s,
 
     maxchar = 127;
     for (i = 0; i < length; i++) {
-        Py_UNICODE ch = s[i];
+        Py_UCS4 ch = s[i];
         if (ch > 127) {
             int decimal = Py_UNICODE_TODECIMAL(ch);
             if (decimal >= 0)
@@ -8897,7 +8865,7 @@ PyUnicode_TransformDecimalToASCII(Py_UNICODE *s,
     data = PyUnicode_DATA(decimal);
     /* Iterate over code points */
     for (i = 0; i < length; i++) {
-        Py_UNICODE ch = s[i];
+        Py_UCS4 ch = s[i];
         if (ch > 127) {
             int decimal = Py_UNICODE_TODECIMAL(ch);
             if (decimal >= 0)
@@ -8978,35 +8946,61 @@ PyUnicode_EncodeDecimal(Py_UNICODE *s,
 
 /* --- Helpers ------------------------------------------------------------ */
 
+/* helper macro to fixup start/end slice values */
+#define ADJUST_INDICES(start, end, len)         \
+    if (end > len)                              \
+        end = len;                              \
+    else if (end < 0) {                         \
+        end += len;                             \
+        if (end < 0)                            \
+            end = 0;                            \
+    }                                           \
+    if (start < 0) {                            \
+        start += len;                           \
+        if (start < 0)                          \
+            start = 0;                          \
+    }
+
 static Py_ssize_t
 any_find_slice(int direction, PyObject* s1, PyObject* s2,
                Py_ssize_t start,
                Py_ssize_t end)
 {
-    int kind1, kind2, kind;
+    int kind1, kind2;
     void *buf1, *buf2;
     Py_ssize_t len1, len2, result;
 
     kind1 = PyUnicode_KIND(s1);
     kind2 = PyUnicode_KIND(s2);
-    kind = kind1 > kind2 ? kind1 : kind2;
+    if (kind1 < kind2)
+        return -1;
+
+    len1 = PyUnicode_GET_LENGTH(s1);
+    len2 = PyUnicode_GET_LENGTH(s2);
+    ADJUST_INDICES(start, end, len1);
+    if (end - start < len2)
+        return -1;
+
     buf1 = PyUnicode_DATA(s1);
     buf2 = PyUnicode_DATA(s2);
-    if (kind1 != kind)
-        buf1 = _PyUnicode_AsKind(s1, kind);
-    if (!buf1)
-        return -2;
-    if (kind2 != kind)
-        buf2 = _PyUnicode_AsKind(s2, kind);
-    if (!buf2) {
-        if (kind1 != kind) PyMem_Free(buf1);
-        return -2;
+    if (len2 == 1) {
+        Py_UCS4 ch = PyUnicode_READ(kind2, buf2, 0);
+        result = findchar((const char *)buf1 + kind1*start,
+                          kind1, end - start, ch, direction);
+        if (result == -1)
+            return -1;
+        else
+            return start + result;
+    }
+
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(s2, kind1);
+        if (!buf2)
+            return -2;
     }
-    len1 = PyUnicode_GET_LENGTH(s1);
-    len2 = PyUnicode_GET_LENGTH(s2);
 
     if (direction > 0) {
-        switch (kind) {
+        switch (kind1) {
         case PyUnicode_1BYTE_KIND:
             if (PyUnicode_IS_ASCII(s1) && PyUnicode_IS_ASCII(s2))
                 result = asciilib_find_slice(buf1, len1, buf2, len2, start, end);
@@ -9024,7 +9018,7 @@ any_find_slice(int direction, PyObject* s1, PyObject* s2,
         }
     }
     else {
-        switch (kind) {
+        switch (kind1) {
         case PyUnicode_1BYTE_KIND:
             if (PyUnicode_IS_ASCII(s1) && PyUnicode_IS_ASCII(s2))
                 result = asciilib_rfind_slice(buf1, len1, buf2, len2, start, end);
@@ -9042,9 +9036,7 @@ any_find_slice(int direction, PyObject* s1, PyObject* s2,
         }
     }
 
-    if (kind1 != kind)
-        PyMem_Free(buf1);
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
 
     return result;
@@ -9134,21 +9126,6 @@ _PyUnicode_InsertThousandsGrouping(
 }
 
 
-/* helper macro to fixup start/end slice values */
-#define ADJUST_INDICES(start, end, len)         \
-    if (end > len)                              \
-        end = len;                              \
-    else if (end < 0) {                         \
-        end += len;                             \
-        if (end < 0)                            \
-            end = 0;                            \
-    }                                           \
-    if (start < 0) {                            \
-        start += len;                           \
-        if (start < 0)                          \
-            start = 0;                          \
-    }
-
 Py_ssize_t
 PyUnicode_Count(PyObject *str,
                 PyObject *substr,
@@ -9158,7 +9135,7 @@ PyUnicode_Count(PyObject *str,
     Py_ssize_t result;
     PyObject* str_obj;
     PyObject* sub_obj;
-    int kind1, kind2, kind;
+    int kind1, kind2;
     void *buf1 = NULL, *buf2 = NULL;
     Py_ssize_t len1, len2;
 
@@ -9178,24 +9155,30 @@ PyUnicode_Count(PyObject *str,
 
     kind1 = PyUnicode_KIND(str_obj);
     kind2 = PyUnicode_KIND(sub_obj);
-    kind = kind1;
-    buf1 = PyUnicode_DATA(str_obj);
-    buf2 = PyUnicode_DATA(sub_obj);
-    if (kind2 != kind) {
-        if (kind2 > kind) {
-            Py_DECREF(sub_obj);
-            Py_DECREF(str_obj);
-            return 0;
-        }
-        buf2 = _PyUnicode_AsKind(sub_obj, kind);
+    if (kind1 < kind2) {
+        Py_DECREF(sub_obj);
+        Py_DECREF(str_obj);
+        return 0;
     }
-    if (!buf2)
-        goto onError;
+
     len1 = PyUnicode_GET_LENGTH(str_obj);
     len2 = PyUnicode_GET_LENGTH(sub_obj);
-
     ADJUST_INDICES(start, end, len1);
-    switch (kind) {
+    if (end - start < len2) {
+        Py_DECREF(sub_obj);
+        Py_DECREF(str_obj);
+        return 0;
+    }
+
+    buf1 = PyUnicode_DATA(str_obj);
+    buf2 = PyUnicode_DATA(sub_obj);
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(sub_obj, kind1);
+        if (!buf2)
+            goto onError;
+    }
+
+    switch (kind1) {
     case PyUnicode_1BYTE_KIND:
         if (PyUnicode_IS_ASCII(str_obj) && PyUnicode_IS_ASCII(sub_obj))
             result = asciilib_count(
@@ -9227,14 +9210,14 @@ PyUnicode_Count(PyObject *str,
     Py_DECREF(sub_obj);
     Py_DECREF(str_obj);
 
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
 
     return result;
   onError:
     Py_DECREF(sub_obj);
     Py_DECREF(str_obj);
-    if (kind2 != kind && buf2)
+    if (kind2 != kind1 && buf2)
         PyMem_Free(buf2);
     return -1;
 }
@@ -9287,6 +9270,8 @@ PyUnicode_FindChar(PyObject *str, Py_UCS4 ch,
     }
     if (end > PyUnicode_GET_LENGTH(str))
         end = PyUnicode_GET_LENGTH(str);
+    if (start >= end)
+        return -1;
     kind = PyUnicode_KIND(str);
     result = findchar(PyUnicode_1BYTE_DATA(str) + kind*start,
                       kind, end-start, ch, direction);
@@ -9474,7 +9459,7 @@ handle_capital_sigma(int kind, void *data, Py_ssize_t length, Py_ssize_t i)
 {
     Py_ssize_t j;
     int final_sigma;
-    Py_UCS4 c;
+    Py_UCS4 c = 0;   /* initialize to prevent gcc warning */
     /* U+03A3 is in the Final_Sigma context when, it is found like this:
 
      \p{cased}\p{case-ignorable}*U+03A3!(\p{case-ignorable}*\p{cased})
@@ -10033,7 +10018,7 @@ split(PyObject *self,
       PyObject *substring,
       Py_ssize_t maxcount)
 {
-    int kind1, kind2, kind;
+    int kind1, kind2;
     void *buf1, *buf2;
     Py_ssize_t len1, len2;
     PyObject* out;
@@ -10077,23 +10062,25 @@ split(PyObject *self,
 
     kind1 = PyUnicode_KIND(self);
     kind2 = PyUnicode_KIND(substring);
-    kind = kind1 > kind2 ? kind1 : kind2;
+    len1 = PyUnicode_GET_LENGTH(self);
+    len2 = PyUnicode_GET_LENGTH(substring);
+    if (kind1 < kind2 || len1 < len2) {
+        out = PyList_New(1);
+        if (out == NULL)
+            return NULL;
+        Py_INCREF(self);
+        PyList_SET_ITEM(out, 0, self);
+        return out;
+    }
     buf1 = PyUnicode_DATA(self);
     buf2 = PyUnicode_DATA(substring);
-    if (kind1 != kind)
-        buf1 = _PyUnicode_AsKind(self, kind);
-    if (!buf1)
-        return NULL;
-    if (kind2 != kind)
-        buf2 = _PyUnicode_AsKind(substring, kind);
-    if (!buf2) {
-        if (kind1 != kind) PyMem_Free(buf1);
-        return NULL;
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(substring, kind1);
+        if (!buf2)
+            return NULL;
     }
-    len1 = PyUnicode_GET_LENGTH(self);
-    len2 = PyUnicode_GET_LENGTH(substring);
 
-    switch (kind) {
+    switch (kind1) {
     case PyUnicode_1BYTE_KIND:
         if (PyUnicode_IS_ASCII(self) && PyUnicode_IS_ASCII(substring))
             out = asciilib_split(
@@ -10113,9 +10100,7 @@ split(PyObject *self,
     default:
         out = NULL;
     }
-    if (kind1 != kind)
-        PyMem_Free(buf1);
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
     return out;
 }
@@ -10125,7 +10110,7 @@ rsplit(PyObject *self,
        PyObject *substring,
        Py_ssize_t maxcount)
 {
-    int kind1, kind2, kind;
+    int kind1, kind2;
     void *buf1, *buf2;
     Py_ssize_t len1, len2;
     PyObject* out;
@@ -10169,23 +10154,25 @@ rsplit(PyObject *self,
 
     kind1 = PyUnicode_KIND(self);
     kind2 = PyUnicode_KIND(substring);
-    kind = kind1 > kind2 ? kind1 : kind2;
+    len1 = PyUnicode_GET_LENGTH(self);
+    len2 = PyUnicode_GET_LENGTH(substring);
+    if (kind1 < kind2 || len1 < len2) {
+        out = PyList_New(1);
+        if (out == NULL)
+            return NULL;
+        Py_INCREF(self);
+        PyList_SET_ITEM(out, 0, self);
+        return out;
+    }
     buf1 = PyUnicode_DATA(self);
     buf2 = PyUnicode_DATA(substring);
-    if (kind1 != kind)
-        buf1 = _PyUnicode_AsKind(self, kind);
-    if (!buf1)
-        return NULL;
-    if (kind2 != kind)
-        buf2 = _PyUnicode_AsKind(substring, kind);
-    if (!buf2) {
-        if (kind1 != kind) PyMem_Free(buf1);
-        return NULL;
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(substring, kind1);
+        if (!buf2)
+            return NULL;
     }
-    len1 = PyUnicode_GET_LENGTH(self);
-    len2 = PyUnicode_GET_LENGTH(substring);
 
-    switch (kind) {
+    switch (kind1) {
     case PyUnicode_1BYTE_KIND:
         if (PyUnicode_IS_ASCII(self) && PyUnicode_IS_ASCII(substring))
             out = asciilib_rsplit(
@@ -10205,9 +10192,7 @@ rsplit(PyObject *self,
     default:
         out = NULL;
     }
-    if (kind1 != kind)
-        PyMem_Free(buf1);
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
     return out;
 }
@@ -10426,7 +10411,7 @@ replace(PyObject *self, PyObject *str1,
         }
         /* new_size = PyUnicode_GET_LENGTH(self) + n * (PyUnicode_GET_LENGTH(str2) -
            PyUnicode_GET_LENGTH(str1))); */
-        if (len2 > len1 && len2 - len1 > (PY_SSIZE_T_MAX - slen) / n) {
+        if (len1 < len2 && len2 - len1 > (PY_SSIZE_T_MAX - slen) / n) {
                 PyErr_SetString(PyExc_OverflowError,
                                 "replace string is too long");
                 goto error;
@@ -10835,7 +10820,7 @@ PyUnicode_CompareWithASCIIString(PyObject* uni, const char* str)
         }
         if (len1 > len2)
             return 1; /* uni is longer */
-        if (len2 > len1)
+        if (len1 < len2)
             return -1; /* str is longer */
         return 0;
     }
@@ -10843,7 +10828,7 @@ PyUnicode_CompareWithASCIIString(PyObject* uni, const char* str)
         void *data = PyUnicode_DATA(uni);
         /* Compare Unicode string and source character set string */
         for (i = 0; (chr = PyUnicode_READ(kind, data, i)) && str[i]; i++)
-            if (chr != str[i])
+            if (chr != (unsigned char)str[i])
                 return (chr < (unsigned char)(str[i])) ? -1 : 1;
         /* This check keeps Python strings that end in '\0' from comparing equal
          to C strings identical up to that point. */
@@ -10947,23 +10932,35 @@ PyUnicode_Contains(PyObject *container, PyObject *element)
 
     kind1 = PyUnicode_KIND(str);
     kind2 = PyUnicode_KIND(sub);
+    if (kind1 < kind2) {
+        Py_DECREF(sub);
+        Py_DECREF(str);
+        return 0;
+    }
+    len1 = PyUnicode_GET_LENGTH(str);
+    len2 = PyUnicode_GET_LENGTH(sub);
+    if (len1 < len2) {
+        Py_DECREF(sub);
+        Py_DECREF(str);
+        return 0;
+    }
     buf1 = PyUnicode_DATA(str);
     buf2 = PyUnicode_DATA(sub);
+    if (len2 == 1) {
+        Py_UCS4 ch = PyUnicode_READ(kind2, buf2, 0);
+        result = findchar((const char *)buf1, kind1, len1, ch, 1) != -1;
+        Py_DECREF(sub);
+        Py_DECREF(str);
+        return result;
+    }
     if (kind2 != kind1) {
-        if (kind2 > kind1) {
+        buf2 = _PyUnicode_AsKind(sub, kind1);
+        if (!buf2) {
             Py_DECREF(sub);
             Py_DECREF(str);
-            return 0;
+            return -1;
         }
-        buf2 = _PyUnicode_AsKind(sub, kind1);
     }
-    if (!buf2) {
-        Py_DECREF(sub);
-        Py_DECREF(str);
-        return -1;
-    }
-    len1 = PyUnicode_GET_LENGTH(str);
-    len2 = PyUnicode_GET_LENGTH(sub);
 
     switch (kind1) {
     case PyUnicode_1BYTE_KIND:
@@ -11144,11 +11141,11 @@ interpreted as in slice notation.");
 static PyObject *
 unicode_count(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
+    PyObject *substring = NULL;   /* initialize to fix a compiler warning */
     Py_ssize_t start = 0;
     Py_ssize_t end = PY_SSIZE_T_MAX;
     PyObject *result;
-    int kind1, kind2, kind;
+    int kind1, kind2;
     void *buf1, *buf2;
     Py_ssize_t len1, len2, iresult;
 
@@ -11158,24 +11155,27 @@ unicode_count(PyObject *self, PyObject *args)
 
     kind1 = PyUnicode_KIND(self);
     kind2 = PyUnicode_KIND(substring);
-    if (kind2 > kind1) {
+    if (kind1 < kind2) {
         Py_DECREF(substring);
         return PyLong_FromLong(0);
     }
-    kind = kind1;
-    buf1 = PyUnicode_DATA(self);
-    buf2 = PyUnicode_DATA(substring);
-    if (kind2 != kind)
-        buf2 = _PyUnicode_AsKind(substring, kind);
-    if (!buf2) {
-        Py_DECREF(substring);
-        return NULL;
-    }
     len1 = PyUnicode_GET_LENGTH(self);
     len2 = PyUnicode_GET_LENGTH(substring);
-
     ADJUST_INDICES(start, end, len1);
-    switch (kind) {
+    if (end - start < len2) {
+        Py_DECREF(substring);
+        return PyLong_FromLong(0);
+    }
+    buf1 = PyUnicode_DATA(self);
+    buf2 = PyUnicode_DATA(substring);
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(substring, kind1);
+        if (!buf2) {
+            Py_DECREF(substring);
+            return NULL;
+        }
+    }
+    switch (kind1) {
     case PyUnicode_1BYTE_KIND:
         iresult = ucs1lib_count(
             ((Py_UCS1*)buf1) + start, end - start,
@@ -11200,7 +11200,7 @@ unicode_count(PyObject *self, PyObject *args)
 
     result = PyLong_FromSsize_t(iresult);
 
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
 
     Py_DECREF(substring);
@@ -11332,9 +11332,10 @@ Return -1 on failure.");
 static PyObject *
 unicode_find(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    /* initialize variables to prevent gcc warning */
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
     Py_ssize_t result;
 
     if (!stringlib_parse_args_finds_unicode("find", args, &substring,
@@ -11419,10 +11420,11 @@ Like S.find() but raise ValueError when the substring is not found.");
 static PyObject *
 unicode_index(PyObject *self, PyObject *args)
 {
+    /* initialize variables to prevent gcc warning */
     Py_ssize_t result;
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
 
     if (!stringlib_parse_args_finds_unicode("index", args, &substring,
                                             &start, &end))
@@ -12497,9 +12499,10 @@ Return -1 on failure.");
 static PyObject *
 unicode_rfind(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    /* initialize variables to prevent gcc warning */
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
     Py_ssize_t result;
 
     if (!stringlib_parse_args_finds_unicode("rfind", args, &substring,
@@ -12533,9 +12536,10 @@ Like S.rfind() but raise ValueError when the substring is not found.");
 static PyObject *
 unicode_rindex(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    /* initialize variables to prevent gcc warning */
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
     Py_ssize_t result;
 
     if (!stringlib_parse_args_finds_unicode("rindex", args, &substring,
@@ -12647,8 +12651,8 @@ PyUnicode_Partition(PyObject *str_in, PyObject *sep_in)
     PyObject* str_obj;
     PyObject* sep_obj;
     PyObject* out;
-    int kind1, kind2, kind;
-    void *buf1 = NULL, *buf2 = NULL;
+    int kind1, kind2;
+    void *buf1, *buf2;
     Py_ssize_t len1, len2;
 
     str_obj = PyUnicode_FromObject(str_in);
@@ -12667,21 +12671,29 @@ PyUnicode_Partition(PyObject *str_in, PyObject *sep_in)
 
     kind1 = PyUnicode_KIND(str_obj);
     kind2 = PyUnicode_KIND(sep_obj);
-    kind = Py_MAX(kind1, kind2);
-    buf1 = PyUnicode_DATA(str_obj);
-    if (kind1 != kind)
-        buf1 = _PyUnicode_AsKind(str_obj, kind);
-    if (!buf1)
-        goto onError;
-    buf2 = PyUnicode_DATA(sep_obj);
-    if (kind2 != kind)
-        buf2 = _PyUnicode_AsKind(sep_obj, kind);
-    if (!buf2)
-        goto onError;
     len1 = PyUnicode_GET_LENGTH(str_obj);
     len2 = PyUnicode_GET_LENGTH(sep_obj);
+    if (kind1 < kind2 || len1 < len2) {
+        _Py_INCREF_UNICODE_EMPTY();
+        if (!unicode_empty)
+            out = NULL;
+        else {
+            out = PyTuple_Pack(3, str_obj, unicode_empty, unicode_empty);
+            Py_DECREF(unicode_empty);
+        }
+        Py_DECREF(sep_obj);
+        Py_DECREF(str_obj);
+        return out;
+    }
+    buf1 = PyUnicode_DATA(str_obj);
+    buf2 = PyUnicode_DATA(sep_obj);
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(sep_obj, kind1);
+        if (!buf2)
+            goto onError;
+    }
 
-    switch (kind) {
+    switch (kind1) {
     case PyUnicode_1BYTE_KIND:
         if (PyUnicode_IS_ASCII(str_obj) && PyUnicode_IS_ASCII(sep_obj))
             out = asciilib_partition(str_obj, buf1, len1, sep_obj, buf2, len2);
@@ -12701,18 +12713,14 @@ PyUnicode_Partition(PyObject *str_in, PyObject *sep_in)
 
     Py_DECREF(sep_obj);
     Py_DECREF(str_obj);
-    if (kind1 != kind)
-        PyMem_Free(buf1);
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
 
     return out;
   onError:
     Py_DECREF(sep_obj);
     Py_DECREF(str_obj);
-    if (kind1 != kind && buf1)
-        PyMem_Free(buf1);
-    if (kind2 != kind && buf2)
+    if (kind2 != kind1 && buf2)
         PyMem_Free(buf2);
     return NULL;
 }
@@ -12724,8 +12732,8 @@ PyUnicode_RPartition(PyObject *str_in, PyObject *sep_in)
     PyObject* str_obj;
     PyObject* sep_obj;
     PyObject* out;
-    int kind1, kind2, kind;
-    void *buf1 = NULL, *buf2 = NULL;
+    int kind1, kind2;
+    void *buf1, *buf2;
     Py_ssize_t len1, len2;
 
     str_obj = PyUnicode_FromObject(str_in);
@@ -12739,21 +12747,29 @@ PyUnicode_RPartition(PyObject *str_in, PyObject *sep_in)
 
     kind1 = PyUnicode_KIND(str_obj);
     kind2 = PyUnicode_KIND(sep_obj);
-    kind = Py_MAX(kind1, kind2);
-    buf1 = PyUnicode_DATA(str_obj);
-    if (kind1 != kind)
-        buf1 = _PyUnicode_AsKind(str_obj, kind);
-    if (!buf1)
-        goto onError;
-    buf2 = PyUnicode_DATA(sep_obj);
-    if (kind2 != kind)
-        buf2 = _PyUnicode_AsKind(sep_obj, kind);
-    if (!buf2)
-        goto onError;
     len1 = PyUnicode_GET_LENGTH(str_obj);
     len2 = PyUnicode_GET_LENGTH(sep_obj);
+    if (kind1 < kind2 || len1 < len2) {
+        _Py_INCREF_UNICODE_EMPTY();
+        if (!unicode_empty)
+            out = NULL;
+        else {
+            out = PyTuple_Pack(3, unicode_empty, unicode_empty, str_obj);
+            Py_DECREF(unicode_empty);
+        }
+        Py_DECREF(sep_obj);
+        Py_DECREF(str_obj);
+        return out;
+    }
+    buf1 = PyUnicode_DATA(str_obj);
+    buf2 = PyUnicode_DATA(sep_obj);
+    if (kind2 != kind1) {
+        buf2 = _PyUnicode_AsKind(sep_obj, kind1);
+        if (!buf2)
+            goto onError;
+    }
 
-    switch (kind) {
+    switch (kind1) {
     case PyUnicode_1BYTE_KIND:
         if (PyUnicode_IS_ASCII(str_obj) && PyUnicode_IS_ASCII(sep_obj))
             out = asciilib_rpartition(str_obj, buf1, len1, sep_obj, buf2, len2);
@@ -12773,18 +12789,14 @@ PyUnicode_RPartition(PyObject *str_in, PyObject *sep_in)
 
     Py_DECREF(sep_obj);
     Py_DECREF(str_obj);
-    if (kind1 != kind)
-        PyMem_Free(buf1);
-    if (kind2 != kind)
+    if (kind2 != kind1)
         PyMem_Free(buf2);
 
     return out;
   onError:
     Py_DECREF(sep_obj);
     Py_DECREF(str_obj);
-    if (kind1 != kind && buf1)
-        PyMem_Free(buf1);
-    if (kind2 != kind && buf2)
+    if (kind2 != kind1 && buf2)
         PyMem_Free(buf2);
     return NULL;
 }
@@ -12930,47 +12942,9 @@ character at the same position in y. If there is a third argument, it
 must be a string, whose characters will be mapped to None in the result.
 [clinic start generated code]*/
 
-PyDoc_STRVAR(unicode_maketrans__doc__,
-"maketrans(x, y=None, z=None, /)\n"
-"--\n"
-"\n"
-"Return a translation table usable for str.translate().\n"
-"\n"
-"If there is only one argument, it must be a dictionary mapping Unicode\n"
-"ordinals (integers) or characters to Unicode ordinals, strings or None.\n"
-"Character keys will be then converted to ordinals.\n"
-"If there are two arguments, they must be strings of equal length, and\n"
-"in the resulting dictionary, each character in x will be mapped to the\n"
-"character at the same position in y. If there is a third argument, it\n"
-"must be a string, whose characters will be mapped to None in the result.");
-
-#define UNICODE_MAKETRANS_METHODDEF    \
-    {"maketrans", (PyCFunction)unicode_maketrans, METH_VARARGS|METH_STATIC, unicode_maketrans__doc__},
-
-static PyObject *
-unicode_maketrans_impl(PyObject *x, PyObject *y, PyObject *z);
-
-static PyObject *
-unicode_maketrans(void *null, PyObject *args)
-{
-    PyObject *return_value = NULL;
-    PyObject *x;
-    PyObject *y = NULL;
-    PyObject *z = NULL;
-
-    if (!PyArg_ParseTuple(args,
-        "O|UU:maketrans",
-        &x, &y, &z))
-        goto exit;
-    return_value = unicode_maketrans_impl(x, y, z);
-
-exit:
-    return return_value;
-}
-
 static PyObject *
 unicode_maketrans_impl(PyObject *x, PyObject *y, PyObject *z)
-/*[clinic end generated code: output=566edf630f77436a input=7bfbf529a293c6c5]*/
+/*[clinic end generated code: output=a925c89452bd5881 input=7bfbf529a293c6c5]*/
 {
     PyObject *new = NULL, *key, *value;
     Py_ssize_t i = 0;
@@ -13397,6 +13371,7 @@ _PyUnicodeWriter_WriteStr(_PyUnicodeWriter *writer, PyObject *str)
     maxchar = PyUnicode_MAX_CHAR_VALUE(str);
     if (maxchar > writer->maxchar || len > writer->size - writer->pos) {
         if (writer->buffer == NULL && !writer->overallocate) {
+            assert(_PyUnicode_CheckConsistency(str, 1));
             writer->readonly = 1;
             Py_INCREF(str);
             writer->buffer = str;
@@ -13905,8 +13880,8 @@ formatfloat(PyObject *v, struct unicode_format_arg_t *arg,
  * CAUTION:  o, x and X conversions on regular ints can never
  * produce a '-' sign, but can for Python's unbounded ints.
  */
-static PyObject*
-formatlong(PyObject *val, struct unicode_format_arg_t *arg)
+PyObject *
+_PyUnicode_FormatLong(PyObject *val, int alt, int prec, int type)
 {
     PyObject *result = NULL;
     char *buf;
@@ -13916,8 +13891,6 @@ formatlong(PyObject *val, struct unicode_format_arg_t *arg)
     Py_ssize_t llen;
     int numdigits;      /* len == numnondigits + numdigits */
     int numnondigits = 0;
-    int prec = arg->prec;
-    int type = arg->ch;
 
     /* Avoid exceeding SSIZE_T_MAX */
     if (prec > INT_MAX-3) {
@@ -13966,7 +13939,7 @@ formatlong(PyObject *val, struct unicode_format_arg_t *arg)
     if (llen > INT_MAX) {
         Py_DECREF(result);
         PyErr_SetString(PyExc_ValueError,
-                        "string too large in _PyBytes_FormatLong");
+                        "string too large in _PyUnicode_FormatLong");
         return NULL;
     }
     len = (int)llen;
@@ -13976,7 +13949,7 @@ formatlong(PyObject *val, struct unicode_format_arg_t *arg)
     assert(numdigits > 0);
 
     /* Get rid of base marker unless F_ALT */
-    if (((arg->flags & F_ALT) == 0 &&
+    if (((alt) == 0 &&
         (type == 'o' || type == 'x' || type == 'X'))) {
         assert(buf[sign] == '0');
         assert(buf[sign+1] == 'x' || buf[sign+1] == 'X' ||
@@ -14051,24 +14024,14 @@ mainformatlong(PyObject *v,
     if (!PyNumber_Check(v))
         goto wrongtype;
 
-    /* make sure number is a type of integer */
-    /* if not, issue deprecation warning for now */
+    /* make sure number is a type of integer for o, x, and X */
     if (!PyLong_Check(v)) {
         if (type == 'o' || type == 'x' || type == 'X') {
             iobj = PyNumber_Index(v);
             if (iobj == NULL) {
-                PyErr_Clear();
-                if (PyErr_WarnEx(PyExc_DeprecationWarning,
-                                 "automatic int conversions have been deprecated",
-                                 1)) {
-                    return -1;
-                }
-                iobj = PyNumber_Long(v);
-                if (iobj == NULL ) {
-                    if (PyErr_ExceptionMatches(PyExc_TypeError))
-                        goto wrongtype;
-                    return -1;
-                }
+                if (PyErr_ExceptionMatches(PyExc_TypeError))
+                    goto wrongtype;
+                return -1;
             }
         }
         else {
@@ -14121,7 +14084,7 @@ mainformatlong(PyObject *v,
         return 1;
     }
 
-    res = formatlong(iobj, arg);
+    res = _PyUnicode_FormatLong(iobj, arg->flags & F_ALT, arg->prec, type);
     Py_DECREF(iobj);
     if (res == NULL)
         return -1;
@@ -14129,10 +14092,23 @@ mainformatlong(PyObject *v,
     return 0;
 
 wrongtype:
-    PyErr_Format(PyExc_TypeError,
-            "%%%c format: a number is required, "
-            "not %.200s",
-            type, Py_TYPE(v)->tp_name);
+    switch(type)
+    {
+        case 'o':
+        case 'x':
+        case 'X':
+            PyErr_Format(PyExc_TypeError,
+                    "%%%c format: an integer is required, "
+                    "not %.200s",
+                    type, Py_TYPE(v)->tp_name);
+            break;
+        default:
+            PyErr_Format(PyExc_TypeError,
+                    "%%%c format: a number is required, "
+                    "not %.200s",
+                    type, Py_TYPE(v)->tp_name);
+            break;
+    }
     return -1;
 }
 
@@ -14150,22 +14126,10 @@ formatchar(PyObject *v)
         PyObject *iobj;
         long x;
         /* make sure number is a type of integer */
-        /* if not, issue deprecation warning for now */
         if (!PyLong_Check(v)) {
             iobj = PyNumber_Index(v);
             if (iobj == NULL) {
-                PyErr_Clear();
-                if (PyErr_WarnEx(PyExc_DeprecationWarning,
-                                 "automatic int conversions have been deprecated",
-                                 1)) {
-                    return -1;
-                }
-                iobj = PyNumber_Long(v);
-                if (iobj == NULL ) {
-                    if (PyErr_ExceptionMatches(PyExc_TypeError))
-                        goto onError;
-                    return -1;
-                }
+                goto onError;
             }
             v = iobj;
             Py_DECREF(iobj);
@@ -14997,13 +14961,6 @@ int _PyUnicode_Init(void)
     if (PyType_Ready(&PyFormatterIter_Type) < 0)
         Py_FatalError("Can't initialize formatter iter type");
 
-#ifdef HAVE_MBCS
-    winver.dwOSVersionInfoSize = sizeof(winver);
-    if (!GetVersionEx((OSVERSIONINFO*)&winver)) {
-        PyErr_SetFromWindowsErr(0);
-        return -1;
-    }
-#endif
     return 0;
 }
 
@@ -15419,7 +15376,7 @@ PyUnicode_AsUnicodeCopy(PyObject *unicode)
     if (u == NULL)
         return NULL;
     /* Ensure we won't overflow the size. */
-    if (len > ((PY_SSIZE_T_MAX / sizeof(Py_UNICODE)) - 1)) {
+    if (len > ((PY_SSIZE_T_MAX / (Py_ssize_t)sizeof(Py_UNICODE)) - 1)) {
         PyErr_NoMemory();
         return NULL;
     }
diff --git a/Objects/unicodetype_db.h b/Objects/unicodetype_db.h
index 1fdc092..0c1e0b6 100644
--- a/Objects/unicodetype_db.h
+++ b/Objects/unicodetype_db.h

path: root/Lib/test/re_tests.py

#!/usr/bin/env python
# -*- mode: python -*-

# Re test suite and benchmark suite v1.5

# The 3 possible outcomes for each pattern
[SUCCEED, FAIL, SYNTAX_ERROR] = range(3)

# Benchmark suite (needs expansion)
#
# The benchmark suite does not test correctness, just speed.  The
# first element of each tuple is the regex pattern; the second is a
# string to match it against.  The benchmarking code will embed the
# second string inside several sizes of padding, to test how regex
# matching performs on large strings.

benchmarks = [

    # test common prefix
    ('Python|Perl', 'Perl'),    # Alternation
    ('(Python|Perl)', 'Perl'),  # Grouped alternation

    ('Python|Perl|Tcl', 'Perl'),        # Alternation
    ('(Python|Perl|Tcl)', 'Perl'),      # Grouped alternation

    ('(Python)\\1', 'PythonPython'),    # Backreference
    ('([0a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # Disable the fastmap optimization
    ('([a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # A few sets

    ('Python', 'Python'),               # Simple text literal
    ('.*Python', 'Python'),             # Bad text literal
    ('.*Python.*', 'Python'),           # Worse text literal
    ('.*(Python)', 'Python'),           # Bad text literal with grouping

]

# Test suite (for verifying correctness)
#
# The test suite is a list of 5- or 3-tuples.  The 5 parts of a
# complete tuple are:
# element 0: a string containing the pattern
#         1: the string to match against the pattern
#         2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
#         3: a string that will be eval()'ed to produce a test string.
#            This is an arbitrary Python expression; the available
#            variables are "found" (the whole match), and "g1", "g2", ...
#            up to "g99" contain the contents of each group, or the
#            string 'None' if the group wasn't given a value, or the
#            string 'Error' if the group index was out of range;
#            also "groups", the return value of m.group() (a tuple).
#         4: The expected result of evaluating the expression.
#            If the two don't match, an error is reported.
#
# If the regex isn't expected to work, the latter two elements can be omitted.

tests = [
    # Test ?P< and ?P= extensions
    ('(?P<foo_123', '', SYNTAX_ERROR),      # Unterminated group identifier
    ('(?P<1>a)', '', SYNTAX_ERROR),         # Begins with a digit
    ('(?P<!>a)', '', SYNTAX_ERROR),         # Begins with an illegal char
    ('(?P<foo!>a)', '', SYNTAX_ERROR),      # Begins with an illegal char

    # Same tests, for the ?P= form
    ('(?P<foo_123>a)(?P=foo_123', 'aa', SYNTAX_ERROR),
    ('(?P<foo_123>a)(?P=1)', 'aa', SYNTAX_ERROR),
    ('(?P<foo_123>a)(?P=!)', 'aa', SYNTAX_ERROR),
    ('(?P<foo_123>a)(?P=foo_124', 'aa', SYNTAX_ERROR),  # Backref to undefined group

    ('(?P<foo_123>a)', 'a', SUCCEED, 'g1', 'a'),
    ('(?P<foo_123>a)(?P=foo_123)', 'aa', SUCCEED, 'g1', 'a'),

    # Test octal escapes
    ('\\1', 'a', SYNTAX_ERROR),    # Backreference
    ('[\\1]', '\1', SUCCEED, 'found', '\1'),  # Character
    ('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
    ('\\141', 'a', SUCCEED, 'found', 'a'),
    ('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),

    # Test \0 is handled everywhere
    (r'\0', '\0', SUCCEED, 'found', '\0'),
    (r'[\0a]', '\0', SUCCEED, 'found', '\0'),
    (r'[a\0]', '\0', SUCCEED, 'found', '\0'),
    (r'[^a\0]', '\0', FAIL),

    # Test various letter escapes
    (r'\a[\b]\f\n\r\t\v', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
    (r'[\a][\b][\f][\n][\r][\t][\v]', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
    # NOTE: not an error under PCRE/PRE:
    # (r'\u', '', SYNTAX_ERROR),    # A Perl escape
    (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'),
    (r'\xff', '\377', SUCCEED, 'found', chr(255)),
    # new \x semantics
    (r'\x00ffffffffffffff', '\377', FAIL, 'found', chr(255)),
    (r'\x00f', '\017', FAIL, 'found', chr(15)),
    (r'\x00fe', '\376', FAIL, 'found', chr(254)),
    # (r'\x00ffffffffffffff', '\377', SUCCEED, 'found', chr(255)),
    # (r'\x00f', '\017', SUCCEED, 'found', chr(15)),
    # (r'\x00fe', '\376', SUCCEED, 'found', chr(254)),

    (r"^\w+=(\\[\000-\277]|[^\n\\])*", "SRC=eval.c g.c blah blah blah \\\\\n\tapes.c",
     SUCCEED, 'found', "SRC=eval.c g.c blah blah blah \\\\"),

    # Test that . only matches \n in DOTALL mode
    ('a.b', 'acb', SUCCEED, 'found', 'acb'),
    ('a.b', 'a\nb', FAIL),
    ('a.*b', 'acc\nccb', FAIL),
    ('a.{4,5}b', 'acc\nccb', FAIL),
    ('a.b', 'a\rb', SUCCEED, 'found', 'a\rb'),
    ('a.b(?s)', 'a\nb', SUCCEED, 'found', 'a\nb'),
    ('a.*(?s)b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
    ('(?s)a.{4,5}b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
    ('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),

    (')', '', SYNTAX_ERROR),           # Unmatched right bracket
    ('', '', SUCCEED, 'found', ''),    # Empty pattern
    ('abc', 'abc', SUCCEED, 'found', 'abc'),
    ('abc', 'xbc', FAIL),
    ('abc', 'axc', FAIL),
    ('abc', 'abx', FAIL),
    ('abc', 'xabcy', SUCCEED, 'found', 'abc'),
    ('abc', 'ababc', SUCCEED, 'found', 'abc'),
    ('ab*c', 'abc', SUCCEED, 'found', 'abc'),
    ('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
    ('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
    ('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
    ('ab+bc', 'abc', FAIL),
    ('ab+bc', 'abq', FAIL),
    ('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
    ('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
    ('ab?bc', 'abbbbc', FAIL),
    ('ab?c', 'abc', SUCCEED, 'found', 'abc'),
    ('^abc$', 'abc', SUCCEED, 'found', 'abc'),
    ('^abc$', 'abcc', FAIL),
    ('^abc', 'abcc', SUCCEED, 'found', 'abc'),
    ('^abc$', 'aabc', FAIL),
    ('abc$', 'aabc', SUCCEED, 'found', 'abc'),
    ('^', 'abc', SUCCEED, 'found+"-"', '-'),
    ('$', 'abc', SUCCEED, 'found+"-"', '-'),
    ('a.c', 'abc', SUCCEED, 'found', 'abc'),
    ('a.c', 'axc', SUCCEED, 'found', 'axc'),
    ('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
    ('a.*c', 'axyzd', FAIL),
    ('a[bc]d', 'abc', FAIL),
    ('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
    ('a[b-d]e', 'abd', FAIL),
    ('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
    ('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
    ('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
    ('a[\\-b]', 'a-', SUCCEED, 'found', 'a-'),
    # NOTE: not an error under PCRE/PRE:
    # ('a[b-]', 'a-', SYNTAX_ERROR),
    ('a[]b', '-', SYNTAX_ERROR),
    ('a[', '-', SYNTAX_ERROR),
    ('a\\', '-', SYNTAX_ERROR),
    ('abc)', '-', SYNTAX_ERROR),
    ('(abc', '-', SYNTAX_ERROR),
    ('a]', 'a]', SUCCEED, 'found', 'a]'),
    ('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
    ('a[\]]b', 'a]b', SUCCEED, 'found', 'a]b'),
    ('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
    ('a[^bc]d', 'abd', FAIL),
    ('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
    ('a[^-b]c', 'a-c', FAIL),
    ('a[^]b]c', 'a]c', FAIL),
    ('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
    ('\\ba\\b', 'a-', SUCCEED, '"-"', '-'),
    ('\\ba\\b', '-a', SUCCEED, '"-"', '-'),
    ('\\ba\\b', '-a-', SUCCEED, '"-"', '-'),
    ('\\by\\b', 'xy', FAIL),
    ('\\by\\b', 'yz', FAIL),
    ('\\by\\b', 'xyz', FAIL),
    ('x\\b', 'xyz', FAIL),
    ('x\\B', 'xyz', SUCCEED, '"-"', '-'),
    ('\\Bz', 'xyz', SUCCEED, '"-"', '-'),
    ('z\\B', 'xyz', FAIL),
    ('\\Bx', 'xyz', FAIL),
    ('\\Ba\\B', 'a-', FAIL, '"-"', '-'),
    ('\\Ba\\B', '-a', FAIL, '"-"', '-'),
    ('\\Ba\\B', '-a-', FAIL, '"-"', '-'),
    ('\\By\\B', 'xy', FAIL),
    ('\\By\\B', 'yz', FAIL),
    ('\\By\\b', 'xy', SUCCEED, '"-"', '-'),
    ('\\by\\B', 'yz', SUCCEED, '"-"', '-'),
    ('\\By\\B', 'xyz', SUCCEED, '"-"', '-'),
    ('ab|cd', 'abc', SUCCEED, 'found', 'ab'),
    ('ab|cd', 'abcd', SUCCEED, 'found', 'ab'),
    ('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
    ('$b', 'b', FAIL),
    ('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
    ('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
    ('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
    ('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
    ('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
    ('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
    ('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
    ('(a+|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    ('(a+|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    ('(a+|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
    (')(', '-', SYNTAX_ERROR),
    ('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
    ('abc', '', FAIL),
    ('a*', '', SUCCEED, 'found', ''),
    ('a|b|c|d|e', 'e', SUCCEED, 'found', 'e'),
    ('(a|b|c|d|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
    ('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
    ('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
    ('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
    ('(ab|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
    ('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
    ('^(ab|cd)e', 'abcde', FAIL, 'xg1y', 'xy'),
    ('(abc|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
    ('(a|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
    ('(ab|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
    ('a([bc]*)c*', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
    ('a([bc]*)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    ('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    ('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
    ('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
    ('a[bcd]+dcdcde', 'adcdcde', FAIL),
    ('(ab|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
    ('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
    ('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
    ('^a(bc+|b[eh])g|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
    ('(bc+d$|ef*g.|h?i(j|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    ('(bc+d$|ef*g.|h?i(j|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
    ('(bc+d$|ef*g.|h?i(j|k))', 'effg', FAIL),
    ('(bc+d$|ef*g.|h?i(j|k))', 'bcdd', FAIL),
    ('(bc+d$|ef*g.|h?i(j|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    ('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
    ('multiple words of text', 'uh-uh', FAIL),
    ('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
    ('(.*)c(.*)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
    ('\\((.*), (.*)\\)', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
    ('[k]', 'ab', FAIL),
    ('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
    ('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    ('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    ('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),
    ('(a+).\\1$', 'aaaaa', SUCCEED, 'found+"-"+g1', 'aaaaa-aa'),
    ('^(a+).\\1$', 'aaaa', FAIL),
    ('(abc)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
    ('([a-c]+)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
    ('(a)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
    ('(a+)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
    ('(a+)+\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
    ('(a).+\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
    ('(a)ba*\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
    ('(aa|a)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
    ('(a|aa)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
    ('(a+)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
    ('([abc]*)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
    ('(a)(b)c|ab', 'ab', SUCCEED, 'found+"-"+g1+"-"+g2', 'ab-None-None'),
    ('(a)+x', 'aaax', SUCCEED, 'found+"-"+g1', 'aaax-a'),
    ('([ac])+x', 'aacx', SUCCEED, 'found+"-"+g1', 'aacx-c'),
    ('([^/]*/)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED, 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
    ('([^.]*)\\.([^:]*):[T ]+(.*)', 'track1.title:TBlah blah blah', SUCCEED, 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
    ('([^N]*N)+', 'abNNxyzN', SUCCEED, 'found+"-"+g1', 'abNNxyzN-xyzN'),
    ('([^N]*N)+', 'abNNxyz', SUCCEED, 'found+"-"+g1', 'abNN-N'),
    ('([abc]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'abcx-abc'),
    ('([abc]*)x', 'abc', FAIL),
    ('([xyz]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'x-'),
    ('(a)+b|aac', 'aac', SUCCEED, 'found+"-"+g1', 'aac-None'),

    # Test symbolic groups

    ('(?P<i d>aaa)a', 'aaaa', SYNTAX_ERROR),
    ('(?P<id>aaa)a', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aaa'),
    ('(?P<id>aa)(?P=id)', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aa'),
    ('(?P<id>aa)(?P=xd)', 'aaaa', SYNTAX_ERROR),

    # Test octal escapes/memory references

    ('\\1', 'a', SYNTAX_ERROR),
    ('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
    ('\\141', 'a', SUCCEED, 'found', 'a'),
    ('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),

    # All tests from Perl

    ('abc', 'abc', SUCCEED, 'found', 'abc'),
    ('abc', 'xbc', FAIL),
    ('abc', 'axc', FAIL),
    ('abc', 'abx', FAIL),
    ('abc', 'xabcy', SUCCEED, 'found', 'abc'),
    ('abc', 'ababc', SUCCEED, 'found', 'abc'),
    ('ab*c', 'abc', SUCCEED, 'found', 'abc'),
    ('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
    ('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
    ('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab{0,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
    ('ab+bc', 'abc', FAIL),
    ('ab+bc', 'abq', FAIL),
    ('ab{1,}bc', 'abq', FAIL),
    ('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab{1,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab{1,3}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab{3,4}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    ('ab{4,5}bc', 'abbbbc', FAIL),
    ('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
    ('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
    ('ab{0,1}bc', 'abc', SUCCEED, 'found', 'abc'),
    ('ab?bc', 'abbbbc', FAIL),
    ('ab?c', 'abc', SUCCEED, 'found', 'abc'),
    ('ab{0,1}c', 'abc', SUCCEED, 'found', 'abc'),
    ('^abc$', 'abc', SUCCEED, 'found', 'abc'),
    ('^abc$', 'abcc', FAIL),
    ('^abc', 'abcc', SUCCEED, 'found', 'abc'),
    ('^abc$', 'aabc', FAIL),
    ('abc$', 'aabc', SUCCEED, 'found', 'abc'),
    ('^', 'abc', SUCCEED, 'found', ''),
    ('$', 'abc', SUCCEED, 'found', ''),
    ('a.c', 'abc', SUCCEED, 'found', 'abc'),
    ('a.c', 'axc', SUCCEED, 'found', 'axc'),
    ('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
    ('a.*c', 'axyzd', FAIL),
    ('a[bc]d', 'abc', FAIL),
    ('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
    ('a[b-d]e', 'abd', FAIL),
    ('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
    ('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
    ('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
    ('a[b-]', 'a-', SUCCEED, 'found', 'a-'),
    ('a[b-a]', '-', SYNTAX_ERROR),
    ('a[]b', '-', SYNTAX_ERROR),
    ('a[', '-', SYNTAX_ERROR),
    ('a]', 'a]', SUCCEED, 'found', 'a]'),
    ('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
    ('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
    ('a[^bc]d', 'abd', FAIL),
    ('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
    ('a[^-b]c', 'a-c', FAIL),
    ('a[^]b]c', 'a]c', FAIL),
    ('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
    ('ab|cd', 'abc', SUCCEED, 'found', 'ab'),
    ('ab|cd', 'abcd', SUCCEED, 'found', 'ab'),
    ('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
    ('*a', '-', SYNTAX_ERROR),
    ('(*)b', '-', SYNTAX_ERROR),
    ('$b', 'b', FAIL),
    ('a\\', '-', SYNTAX_ERROR),
    ('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
    ('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
    ('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
    ('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
    ('abc)', '-', SYNTAX_ERROR),
    ('(abc', '-', SYNTAX_ERROR),
    ('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
    ('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
    ('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
    ('a{1,}b{1,}c', 'aabbabc', SUCCEED, 'found', 'abc'),
    ('a**', '-', SYNTAX_ERROR),
    ('a.+?c', 'abcabc', SUCCEED, 'found', 'abc'),
    ('(a+|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    ('(a+|b){0,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    ('(a+|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    ('(a+|b){1,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    ('(a+|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
    ('(a+|b){0,1}', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
    (')(', '-', SYNTAX_ERROR),
    ('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
    ('abc', '', FAIL),
    ('a*', '', SUCCEED, 'found', ''),
    ('([abc])*d', 'abbbcd', SUCCEED, 'found+"-"+g1', 'abbbcd-c'),
    ('([abc])*bcd', 'abcd', SUCCEED, 'found+"-"+g1', 'abcd-a'),
    ('a|b|c|d|e', 'e', SUCCEED, 'found', 'e'),
    ('(a|b|c|d|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
    ('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
    ('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
    ('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
    ('(ab|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
    ('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
    ('^(ab|cd)e', 'abcde', FAIL),
    ('(abc|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
    ('(a|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
    ('(ab|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
    ('a([bc]*)c*', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
    ('a([bc]*)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    ('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    ('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
    ('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
    ('a[bcd]+dcdcde', 'adcdcde', FAIL),
    ('(ab|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
    ('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
    ('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
    ('^a(bc+|b[eh])g|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
    ('(bc+d$|ef*g.|h?i(j|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    ('(bc+d$|ef*g.|h?i(j|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
    ('(bc+d$|ef*g.|h?i(j|k))', 'effg', FAIL),
    ('(bc+d$|ef*g.|h?i(j|k))', 'bcdd', FAIL),
    ('(bc+d$|ef*g.|h?i(j|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    ('((((((((((a))))))))))', 'a', SUCCEED, 'g10', 'a'),
    ('((((((((((a))))))))))\\10', 'aa', SUCCEED, 'found', 'aa'),
# Python does not have the same rules for \\41 so this is a syntax error
#    ('((((((((((a))))))))))\\41', 'aa', FAIL),
#    ('((((((((((a))))))))))\\41', 'a!', SUCCEED, 'found', 'a!'),
    ('((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
    ('(?i)((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
    ('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
    ('multiple words of text', 'uh-uh', FAIL),
    ('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
    ('(.*)c(.*)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
    ('\\((.*), (.*)\\)', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
    ('[k]', 'ab', FAIL),
    ('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
    ('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    ('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    ('(?i)abc', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)abc', 'XBC', FAIL),
    ('(?i)abc', 'AXC', FAIL),
    ('(?i)abc', 'ABX', FAIL),
    ('(?i)abc', 'XABCY', SUCCEED, 'found', 'ABC'),
    ('(?i)abc', 'ABABC', SUCCEED, 'found', 'ABC'),
    ('(?i)ab*c', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)ab*bc', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)ab*bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
    ('(?i)ab*?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    ('(?i)ab{0,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    ('(?i)ab+?bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
    ('(?i)ab+bc', 'ABC', FAIL),
    ('(?i)ab+bc', 'ABQ', FAIL),
    ('(?i)ab{1,}bc', 'ABQ', FAIL),
    ('(?i)ab+bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    ('(?i)ab{1,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    ('(?i)ab{1,3}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    ('(?i)ab{3,4}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    ('(?i)ab{4,5}?bc', 'ABBBBC', FAIL),
    ('(?i)ab??bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
    ('(?i)ab??bc', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)ab{0,1}?bc', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)ab??bc', 'ABBBBC', FAIL),
    ('(?i)ab??c', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)ab{0,1}?c', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)^abc$', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)^abc$', 'ABCC', FAIL),
    ('(?i)^abc', 'ABCC', SUCCEED, 'found', 'ABC'),
    ('(?i)^abc$', 'AABC', FAIL),
    ('(?i)abc$', 'AABC', SUCCEED, 'found', 'ABC'),
    ('(?i)^', 'ABC', SUCCEED, 'found', ''),
    ('(?i)$', 'ABC', SUCCEED, 'found', ''),
    ('(?i)a.c', 'ABC', SUCCEED, 'found', 'ABC'),
    ('(?i)a.c', 'AXC', SUCCEED, 'found', 'AXC'),
    ('(?i)a.*?c', 'AXYZC', SUCCEED, 'found', 'AXYZC'),
    ('(?i)a.*c', 'AXYZD', FAIL),
    ('(?i)a[bc]d', 'ABC', FAIL),
    ('(?i)a[bc]d', 'ABD', SUCCEED, 'found', 'ABD'),
    ('(?i)a[b-d]e', 'ABD', FAIL),
    ('(?i)a[b-d]e', 'ACE', SUCCEED, 'found', 'ACE'),
    ('(?i)a[b-d]', 'AAC', SUCCEED, 'found', 'AC'),
    ('(?i)a[-b]', 'A-', SUCCEED, 'found', 'A-'),
    ('(?i)a[b-]', 'A-', SUCCEED, 'found', 'A-'),
    ('(?i)a[b-a]', '-', SYNTAX_ERROR),
    ('(?i)a[]b', '-', SYNTAX_ERROR),
    ('(?i)a[', '-', SYNTAX_ERROR),
    ('(?i)a]', 'A]', SUCCEED, 'found', 'A]'),
    ('(?i)a[]]b', 'A]B', SUCCEED, 'found', 'A]B'),
    ('(?i)a[^bc]d', 'AED', SUCCEED, 'found', 'AED'),
    ('(?i)a[^bc]d', 'ABD', FAIL),
    ('(?i)a[^-b]c', 'ADC', SUCCEED, 'found', 'ADC'),
    ('(?i)a[^-b]c', 'A-C', FAIL),
    ('(?i)a[^]b]c', 'A]C', FAIL),
    ('(?i)a[^]b]c', 'ADC', SUCCEED, 'found', 'ADC'),
    ('(?i)ab|cd', 'ABC', SUCCEED, 'found', 'AB'),
    ('(?i)ab|cd', 'ABCD', SUCCEED, 'found', 'AB'),
    ('(?i)()ef', 'DEF', SUCCEED, 'found+"-"+g1', 'EF-'),
    ('(?i)*a', '-', SYNTAX_ERROR),
    ('(?i)(*)b', '-', SYNTAX_ERROR),
    ('(?i)$b', 'B', FAIL),
    ('(?i)a\\', '-', SYNTAX_ERROR),
    ('(?i)a\\(b', 'A(B', SUCCEED, 'found+"-"+g1', 'A(B-Error'),
    ('(?i)a\\(*b', 'AB', SUCCEED, 'found', 'AB'),
    ('(?i)a\\(*b', 'A((B', SUCCEED, 'found', 'A((B'),
    ('(?i)a\\\\b', 'A\\B', SUCCEED, 'found', 'A\\B'),
    ('(?i)abc)', '-', SYNTAX_ERROR),
    ('(?i)(abc', '-', SYNTAX_ERROR),
    ('(?i)((a))', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'A-A-A'),
    ('(?i)(a)b(c)', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABC-A-C'),
    ('(?i)a+b+c', 'AABBABC', SUCCEED, 'found', 'ABC'),
    ('(?i)a{1,}b{1,}c', 'AABBABC', SUCCEED, 'found', 'ABC'),
    ('(?i)a**', '-', SYNTAX_ERROR),
    ('(?i)a.+?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
    ('(?i)a.*?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
    ('(?i)a.{0,5}?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
    ('(?i)(a+|b)*', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    ('(?i)(a+|b){0,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    ('(?i)(a+|b)+', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    ('(?i)(a+|b){1,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    ('(?i)(a+|b)?', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
    ('(?i)(a+|b){0,1}', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
    ('(?i)(a+|b){0,1}?', 'AB', SUCCEED, 'found+"-"+g1', '-None'),
    ('(?i))(', '-', SYNTAX_ERROR),
    ('(?i)[^ab]*', 'CDE', SUCCEED, 'found', 'CDE'),
    ('(?i)abc', '', FAIL),
    ('(?i)a*', '', SUCCEED, 'found', ''),
    ('(?i)([abc])*d', 'ABBBCD', SUCCEED, 'found+"-"+g1', 'ABBBCD-C'),
    ('(?i)([abc])*bcd', 'ABCD', SUCCEED, 'found+"-"+g1', 'ABCD-A'),
    ('(?i)a|b|c|d|e', 'E', SUCCEED, 'found', 'E'),
    ('(?i)(a|b|c|d|e)f', 'EF', SUCCEED, 'found+"-"+g1', 'EF-E'),
    ('(?i)abcd*efg', 'ABCDEFG', SUCCEED, 'found', 'ABCDEFG'),
    ('(?i)ab*', 'XABYABBBZ', SUCCEED, 'found', 'AB'),
    ('(?i)ab*', 'XAYABBBZ', SUCCEED, 'found', 'A'),
    ('(?i)(ab|cd)e', 'ABCDE', SUCCEED, 'found+"-"+g1', 'CDE-CD'),
    ('(?i)[abhgefdc]ij', 'HIJ', SUCCEED, 'found', 'HIJ'),
    ('(?i)^(ab|cd)e', 'ABCDE', FAIL),
    ('(?i)(abc|)ef', 'ABCDEF', SUCCEED, 'found+"-"+g1', 'EF-'),
    ('(?i)(a|b)c*d', 'ABCD', SUCCEED, 'found+"-"+g1', 'BCD-B'),
    ('(?i)(ab|ab*)bc', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-A'),
    ('(?i)a([bc]*)c*', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-BC'),
    ('(?i)a([bc]*)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
    ('(?i)a([bc]+)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
    ('(?i)a([bc]*)(c+d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-B-CD'),
    ('(?i)a[bcd]*dcdcde', 'ADCDCDE', SUCCEED, 'found', 'ADCDCDE'),
    ('(?i)a[bcd]+dcdcde', 'ADCDCDE', FAIL),
    ('(?i)(ab|a)b*c', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-AB'),
    ('(?i)((a)(b)c)(d)', 'ABCD', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'ABC-A-B-D'),
    ('(?i)[a-zA-Z_][a-zA-Z0-9_]*', 'ALPHA', SUCCEED, 'found', 'ALPHA'),
    ('(?i)^a(bc+|b[eh])g|.h$', 'ABH', SUCCEED, 'found+"-"+g1', 'BH-None'),
    ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'EFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
    ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'IJ', SUCCEED, 'found+"-"+g1+"-"+g2', 'IJ-IJ-J'),
    ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'EFFG', FAIL),
    ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'BCDD', FAIL),
    ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'REFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
    ('(?i)((((((((((a))))))))))', 'A', SUCCEED, 'g10', 'A'),
    ('(?i)((((((((((a))))))))))\\10', 'AA', SUCCEED, 'found', 'AA'),
    #('(?i)((((((((((a))))))))))\\41', 'AA', FAIL),
    #('(?i)((((((((((a))))))))))\\41', 'A!', SUCCEED, 'found', 'A!'),
    ('(?i)(((((((((a)))))))))', 'A', SUCCEED, 'found', 'A'),
    ('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))', 'A', SUCCEED, 'g1', 'A'),
    ('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))', 'C', SUCCEED, 'g1', 'C'),
    ('(?i)multiple words of text', 'UH-UH', FAIL),
    ('(?i)multiple words', 'MULTIPLE WORDS, YEAH', SUCCEED, 'found', 'MULTIPLE WORDS'),
    ('(?i)(.*)c(.*)', 'ABCDE', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCDE-AB-DE'),
    ('(?i)\\((.*), (.*)\\)', '(A, B)', SUCCEED, 'g2+"-"+g1', 'B-A'),
    ('(?i)[k]', 'AB', FAIL),
#    ('(?i)abcd', 'ABCD', SUCCEED, 'found+"-"+\\found+"-"+\\\\found', 'ABCD-$&-\\ABCD'),
#    ('(?i)a(bc)d', 'ABCD', SUCCEED, 'g1+"-"+\\g1+"-"+\\\\g1', 'BC-$1-\\BC'),
    ('(?i)a[-]?c', 'AC', SUCCEED, 'found', 'AC'),
    ('(?i)(abc)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
    ('(?i)([a-c]*)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
    ('a(?!b).', 'abad', SUCCEED, 'found', 'ad'),
    ('a(?=d).', 'abad', SUCCEED, 'found', 'ad'),
    ('a(?=c|d).', 'abad', SUCCEED, 'found', 'ad'),
    ('a(?:b|c|d)(.)', 'ace', SUCCEED, 'g1', 'e'),
    ('a(?:b|c|d)*(.)', 'ace', SUCCEED, 'g1', 'e'),
    ('a(?:b|c|d)+?(.)', 'ace', SUCCEED, 'g1', 'e'),
    ('a(?:b|(c|e){1,2}?|d)+?(.)', 'ace', SUCCEED, 'g1 + g2', 'ce'),
    ('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),

    # lookbehind: split by : but not if it is escaped by -.
    ('(?<!-):(.*?)(?<!-):', 'a:bc-:de:f', SUCCEED, 'g1', 'bc-:de' ),
    # escaping with \ as we know it
    ('(?<!\\\):(.*?)(?<!\\\):', 'a:bc\\:de:f', SUCCEED, 'g1', 'bc\\:de' ),
    # terminating with ' and escaping with ? as in edifact
    ("(?<!\\?)'(.*?)(?<!\\?)'", "a'bc?'de'f", SUCCEED, 'g1', "bc?'de" ),

    # Comments using the (?#...) syntax

    ('w(?# comment', 'w', SYNTAX_ERROR),
    ('w(?# comment 1)xy(?# comment 2)z', 'wxyz', SUCCEED, 'found', 'wxyz'),

    # Check odd placement of embedded pattern modifiers

    # not an error under PCRE/PRE:
    ('w(?i)', 'W', SUCCEED, 'found', 'W'),
    # ('w(?i)', 'W', SYNTAX_ERROR),

    # Comments using the x embedded pattern modifier

    ("""(?x)w# comment 1
        x y
        # comment 2
        z""", 'wxyz', SUCCEED, 'found', 'wxyz'),

    # using the m embedded pattern modifier

    ('^abc', """jkl
abc
xyz""", FAIL),
    ('(?m)^abc', """jkl
abc
xyz""", SUCCEED, 'found', 'abc'),

    ('(?m)abc$', """jkl
xyzabc
123""", SUCCEED, 'found', 'abc'),

    # using the s embedded pattern modifier

    ('a.b', 'a\nb', FAIL),
    ('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),

    # test \w, etc. both inside and outside character classes

    ('\\w+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
    ('[\\w]+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
    ('\\D+', '1234abc5678', SUCCEED, 'found', 'abc'),
    ('[\\D]+', '1234abc5678', SUCCEED, 'found', 'abc'),
    ('[\\da-fA-F]+', '123abc', SUCCEED, 'found', '123abc'),
    # not an error under PCRE/PRE:
    # ('[\\d-x]', '-', SYNTAX_ERROR),
    (r'([\s]*)([\S]*)([\s]*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
    (r'(\s*)(\S*)(\s*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),

    (r'\xff', '\377', SUCCEED, 'found', chr(255)),
    # new \x semantics
    (r'\x00ff', '\377', FAIL),
    # (r'\x00ff', '\377', SUCCEED, 'found', chr(255)),
    (r'\t\n\v\r\f\a\g', '\t\n\v\r\f\ag', SUCCEED, 'found', '\t\n\v\r\f\ag'),
    ('\t\n\v\r\f\a\g', '\t\n\v\r\f\ag', SUCCEED, 'found', '\t\n\v\r\f\ag'),
    (r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)),
    (r'[\t][\n][\v][\r][\f][\b]', '\t\n\v\r\f\b', SUCCEED, 'found', '\t\n\v\r\f\b'),

    #
    # post-1.5.2 additions

    # xmllib problem
    (r'(([a-z]+):)?([a-z]+)$', 'smil', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-smil'),
    # bug 110866: reference to undefined group
    (r'((.)\1+)', '', SYNTAX_ERROR),
    # bug 111869: search (PRE/PCRE fails on this one, SRE doesn't)
    (r'.*d', 'abc\nabd', SUCCEED, 'found', 'abd'),
    # bug 112468: various expected syntax errors
    (r'(', '', SYNTAX_ERROR),
    (r'[\41]', '!', SUCCEED, 'found', '!'),
    # bug 114033: nothing to repeat
    (r'(x?)?', 'x', SUCCEED, 'found', 'x'),
    # bug 115040: rescan if flags are modified inside pattern
    (r' (?x)foo ', 'foo', SUCCEED, 'found', 'foo'),
    # bug 115618: negative lookahead
    (r'(?<!abc)(d.f)', 'abcdefdof', SUCCEED, 'found', 'dof'),
    # bug 116251: character class bug
    (r'[\w-]+', 'laser_beam', SUCCEED, 'found', 'laser_beam'),
    # bug 123769+127259: non-greedy backtracking bug
    (r'.*?\S *:', 'xx:', SUCCEED, 'found', 'xx:'),
    (r'a[ ]*?\ (\d+).*', 'a   10', SUCCEED, 'found', 'a   10'),
    (r'a[ ]*?\ (\d+).*', 'a    10', SUCCEED, 'found', 'a    10'),
    # bug 127259: \Z shouldn't depend on multiline mode
    (r'(?ms).*?x\s*\Z(.*)','xx\nx\n', SUCCEED, 'g1', ''),
    # bug 128899: uppercase literals under the ignorecase flag
    (r'(?i)M+', 'MMM', SUCCEED, 'found', 'MMM'),
    (r'(?i)m+', 'MMM', SUCCEED, 'found', 'MMM'),
    (r'(?i)[M]+', 'MMM', SUCCEED, 'found', 'MMM'),
    (r'(?i)[m]+', 'MMM', SUCCEED, 'found', 'MMM'),
    # bug 130748: ^* should be an error (nothing to repeat)
    (r'^*', '', SYNTAX_ERROR),
    # bug 133283: minimizing repeat problem
    (r'"(?:\\"|[^"])*?"', r'"\""', SUCCEED, 'found', r'"\""'),
    # bug 477728: minimizing repeat problem
    (r'^.*?$', 'one\ntwo\nthree\n', FAIL),
    # bug 483789: minimizing repeat problem
    (r'a[^>]*?b', 'a>b', FAIL),
    # bug 490573: minimizing repeat problem
    (r'^a*?$', 'foo', FAIL),
    # bug 470582: nested groups problem
    (r'^((a)c)?(ab)$', 'ab', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-ab'),
    # another minimizing repeat problem (capturing groups in assertions)
    ('^([ab]*?)(?=(b)?)c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
    ('^([ab]*?)(?!(b))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
    ('^([ab]*?)(?<!(a))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
]

try:
    u = eval("u'\N{LATIN CAPITAL LETTER A WITH DIAERESIS}'")
except SyntaxError:
    pass
else:
    tests.extend([
    # bug 410271: \b broken under locales
    (r'\b.\b', 'a', SUCCEED, 'found', 'a'),
    (r'(?u)\b.\b', u, SUCCEED, 'found', u),
    (r'(?u)\w', u, SUCCEED, 'found', u),
    ])